202004272018 and 2019Annual Report.pdf

Dominion Energy Utah
333 South State Street, Salt Lake City, UT 84111
Mailing Address:
P.O. Box 45360, Salt Lake City, UT 84145-0360
DominionEnergy.com

Jenniffer Nelson Clark
Sr. Corporate Counsel
Direct Dial: 801-324-5392
E-mail: [e-mail]

April 27, 2020

Ms. Terri Carlock
Idaho Public Utilities Commission
472 West Washington
P.O. Box 83720
Boise, Idaho 83702

Re: Dominion Energy 2018 and 2019 Annual Report

Dear Ms. Carlock:

Enclosed please find an electronic copy of the Dominion Energy Utah/Wyoming/Idaho financial
statements for 2018 and 2019. This is the report format utilized by the State of Utah for
reporting annual financial results for the utility. We are providing the same report to you to meet
the State of Idaho’s requirements. We trust that this information will be adequate in fulfilling the
Commission’s requirements.

Very truly yours,

/s/ Jenniffer Nelson Clark
Senior Corporate Counsel

Attachments

RECEIVED
2020 April 27,AM8:59
IDAHO PUBLIC
UTILITIES COMMISSION
Questar Gas Company
Balance Sheet December 2018
Amount Month Twelve Months
101 General Plant 3,003,176,327.62 7,303,203.32 127,710,679.83
101-ARC General Plant ARC 72,399,834.49 (1,412,426.10)(1,772,912.77)
105 Gas Plant Held for Future Use 0.00 (5,036.83)
106 Completed Construction Not Classified - Gas 90,575,015.07 (799,958.30)63,827,584.35
107 Construction Work in Progress - Gas 69,096,117.47 1,546,905.59 4,738,259.91
108 Accum Prov for Depreciation of Gas Plant in Service (793,878,411.75)(1,754,724.99)(55,171,765.47)
111 Accum Prov for Amortization of Gas Plant in Service (6,225,790.25)(5,887.62)
114 Gas Plant Acquisition Adjustments 6,644,450.15
115 Accum Prov for Amortization of Gas Plant Acquisition Adjustm (992,000.05)
2,440,795,542.75 4,882,999.52 139,320,921.40
131 Cash 6,556,025.39 4,019,121.98 (28,779.32)
135 Working Funds 67,266.50
142 Customer A/R 147,127,591.42 51,225,033.35 (26,462,099.71)
143.1 Accounts Receivable - Other 4,787,270.20 2,586,507.67 2,843,559.82
144 Accum. Provision for Bad Debt (1,342,010.53)171,630.05 371,044.01
146 Accounts Rec. from Affiliates 91,773.23 79,303.03 (1,345,911.29)
154 Plant Materials and Operating Supplies 22,771,349.26 (486,726.70)(2,406,882.42)
164 Gas Stored Underground 44,167,774.48 (8,615,555.11)(8,723,292.27)
165 Prepaid Expenses 3,093,028.17 668,689.87 (817,125.59)
174 Misc. Current & Accrued Assets 9,323,654.21 1,305,032.59 6,385,440.06
176 Derivatives 4,112,489.80 (1,659,266.15)1,657,594.05
240,756,212.13 49,293,770.58 (28,526,452.66)
181 Unamortized Debt Expense 4,725,055.65 (19,938.97)653,587.44
1823 Other Regulatory Assets 12,661,032.76 2,587,356.93 9,444,835.81
182400 Reg Asset - DSM Programs - UT 2,934,424.16 (2,508,180.73)(123,114.12)
182401 Reg Asset - DSM Programs - WY 230,642.78 (38,493.99)42,747.13
186 Misc. Deferred Debits 112,841,437.91 70,119.54 5,788,558.70
189 Unamort Loss on Reacq Debt 2,244,160.64 (38,311.94)(440,582.54)
190 Accum Deferred Income Tax 0.00 0.00 (99,248.19)
190008 Accum Defer Tax - Federal 32,836,371.15 50,440.08 (24,598,701.85)
190009 Accum Defer Tax - State 7,790,660.48 11,969.87 (5,345,092.52)
191000 Unrecovered Purchased Gas Costs - Utah/Wyoming 3,017,582.87 540,915.70 (7,667,107.36)
191800 Utah/Idaho Low Income Credit/Charge (17,978.38)143,693.39 42,740.00
191900 Utah/Idaho CET Balancing (6,988,673.52)44,779.53 (2,549,849.48)
191901 Wyoming CET Balancing 51,021.27 (32,986.83)(67,280.23)
172,325,737.77 811,362.58 (24,918,507.21)
2,853,877,492.65 54,988,132.68 85,875,961.53
201 Common Stock Issued 22,974,065.00
207 Premium on Common Stock 272,445,462.83
211 Miscellaneous Paid-In Capital 203,257,106.87 200,000,000.00 203,257,106.87
216 Unappropriated Ret. Earnings 513,131,632.17 25,775,249.89 83,540,349.78
1,011,808,266.87 225,775,249.89 286,797,456.65
224 Long Term Notes 750,000,000.00 30,000,000.00
230 Asset Retire Obligation 79,174,039.48 (281,777.59)736,324.30
829,174,039.48 (281,777.59)30,736,324.30
228200 Accumulated Provision for Injuries and Damages 614,100.00 239,100.00 614,100.00
228300 Accumulated Provision for Pensions & Benefits 4,709,500.00 (1,017,357.00)4,709,500.00
252 Misc Customer Credits 2,640,375.72 (6,986,062.40)(9,488,219.30)
253 Other Deferred Credits - 253-1 Uncl.15,602,836.95 (486,396.69)197,457.48
254000 Other Regulatory Liabilities 3,943,209.44 (1,689,519.02)(239,127,079.56)
254001 Regulatory Liability Tax Reform 246,959,813.06 (2,452,167.52)243,745,881.47
254019 Reg Liability-Def Tax PGA/EEP 1,116,805.36 (2,831,325.76)(718,074.64)
254020 Oth Reg Liab-EDIT Amortization 5,283,492.51 5,283,492.51 5,283,492.51
254021 Oth Reg Liab-Plant Removal 170,891,761.63 (24,623,990.78)(23,498,173.95)
254024 Oth Reg Liab-Plant ARO 31,517,745.15 28,122,861.95 27,686,978.15
254025 Oth Reg Liab-COS Tax Gross Up 6,648,592.57 (1,810,171.96)6,648,592.57
255 Accum Deferred ITC 0.00 (28,629.62)(28,629.62)
489,928,232.39 (8,280,166.29)16,025,825.11
231 Notes Payable-Outside Companies 0.00 (181,500,000.00)(165,000,000.00)
232 Accounts Payable - General 111,721,276.24 15,989,291.73 33,011,724.58
233 Notes Payable to Affiliates 20,505,038.00 (11,398,000.00)(54,494,962.00)
234 Accounts Payable to Affiliates 41,511,952.47 (9,948,850.46)(43,896,367.63)
235 Customer Deposits 5,751,820.32 47,007.09 46,130.52
236 Taxes Accrued (2,807,796.22)16,501,829.12 15,608,907.36
237 Interest Accrued 6,455,416.67 831,250.01 (777,463.35)
241 Tax Collections Payable 16,141,960.89 4,422,695.47 391,307.57
242002 Miscellaneous Current & Accrued Liabilities 3,763,864.91 4,363,869.14 (5,642,360.90)
245 Derivative Liability 11,677.22 11,677.22 (21,508.37)
203,055,210.50 (160,679,230.68)(220,774,592.22)
282000 Deferred Taxes-Federal 258,718,792.03 (879,332.86)(20,101,036.69)
282100 Deferred Taxes-State 61,384,264.94 (208,665.84)(4,506,724.06)
283 Deferred Taxes- Purchase Gas Adjustment (191,313.56)(457,943.95)(2,301,291.56)
319,911,743.41 (1,545,942.65)(26,909,052.31)
2,853,877,492.65 54,988,132.68 85,875,961.53
Page 1
Increase or Decrease
Assets and Other Debits
Net Gas Plant
Net Current and Accrued Assets
Net Deferred Debits
Assets and Other Debits
Liabilities and Other Credits
Proprietary Capital
Long-Term Debt
Misc. Long Term Liab. & Deferred Credits
Current and Accrued Liabilities
Deferred Income Taxes
Liabilities and Other Credits

Questar Gas Company
Balance Sheet December 2018
Total General Production Utah Distribution Wyoming Distribution
101 General Plant 3,003,176,327.62 262,046,682.17 79,968,136.00 2,569,673,370.84 91,488,138.61
101-ARC General Plant ARC 72,399,834.49 (70,159.60)72,822,191.30 (352,197.21)
106 Completed Construction Not Classified - Gas 90,575,015.07 3,422,906.55 85,794,827.42 1,357,281.10
107 Construction Work in Progress - Gas 69,096,117.47 18,324,772.49 50,374,346.11 396,998.87
108 Accum Prov for Depreciation of Gas Plant in Service (793,878,411.75)(134,546,640.56)(70,076,759.47)(560,274,505.97)(28,980,505.75)
111 Accum Prov for Amortization of Gas Plant in Service (6,225,790.25)(5,887.62)(6,150,276.66)(58,742.89)(10,883.08)
114 Gas Plant Acquisition Adjustments 6,644,450.15 0.00 6,644,450.15
115 Accum Prov for Amortization of Gas Plant Acquisition Adjustm (992,000.05)0.00 (992,000.05)
131 Cash 6,556,025.39 6,556,025.39
135 Working Funds 67,266.50 0.00 64,575.00 2,691.50
142 Customer A/R 147,127,591.42 560,251.02 144,460,194.08 2,107,146.32
143.1 Accounts Receivable - Other 4,787,270.20 4,787,270.20 0.00 0.00
144 Accum. Provision for Bad Debt (1,342,010.53)0.00 (1,435,140.25)93,129.72
146 Accounts Rec. from Affiliates 91,773.23 91,773.23 0.00
154 Plant Materials and Operating Supplies 22,771,349.26 0.00 22,771,349.26
164 Gas Stored Underground 44,167,774.48 0.00 44,167,774.48
165 Prepaid Expenses 3,093,028.17 3,093,028.17 0.00
174 Misc. Current & Accrued Assets 9,323,654.21 9,323,654.21 0.00 0.00
176 Derivatives 4,112,489.80 4,112,489.80
181 Unamortized Debt Expense 4,725,055.65 4,725,055.65
1823 Other Regulatory Assets 12,661,032.76 12,661,032.76 0.00
182400 Reg Asset - DSM Programs - UT 2,934,424.16 0.01 2,934,424.15 0.00
182401 Reg Asset - DSM Programs - WY 230,642.78 0.00 230,642.78
186 Misc. Deferred Debits 112,841,437.91 112,841,437.91 0.00
189 Unamort Loss on Reacq Debt 2,244,160.64 2,244,160.64
190008 Accum Defer Tax - Federal 32,836,371.15 32,836,371.15
190009 Accum Defer Tax - State 7,790,660.48 7,790,660.48
191000 Unrecovered Purchased Gas Costs - Utah/Wyoming 3,017,582.87 0.00 3,177,091.89 (159,509.02)
191800 Utah/Idaho Low Income Credit/Charge (17,978.38)0.00 (17,978.38)
191900 Utah/Idaho CET Balancing (6,988,673.52)0.00 (6,988,673.52)
191901 Wyoming CET Balancing 51,021.27 0.00 51,021.27
2,853,877,492.65 350,794,884.05 47,908,874.35 2,388,949,779.14 66,223,955.11
201 Common Stock Issued 22,974,065.00 22,974,065.00
207 Premium on Common Stock 272,445,462.83 272,445,462.83
211 Miscellaneous Paid-In Capital 203,257,106.87 203,257,106.87
216 Unappropriated Ret. Earnings 513,131,632.17 513,131,632.17
224 Long Term Notes 750,000,000.00 750,000,000.00
230 Asset Retire Obligation 79,174,039.48 79,174,039.48 0.00 0.00
228200 Accumulated Provision for Injuries and Damages 614,100.00 614,100.00
228300 Accumulated Provision for Pensions & Benefits 4,709,500.00 4,709,500.00
252 Misc Customer Credits 2,640,375.72 0.00 2,236,219.70 404,156.02
253 Other Deferred Credits - 253-1 Uncl.15,602,836.95 15,497,646.42 55,873.00 48,347.24 970.29
254000 Other Regulatory Liabilities 3,943,209.44 2,840,171.49 898,414.42 204,623.53
254001 Regulatory Liability Tax Reform 246,959,813.06 246,959,813.06 0.00 0.00
254019 Reg Liability-Def Tax PGA/EEP 1,116,805.36 1,116,805.36 0.00 0.00
254020 Oth Reg Liab-EDIT Amortization 5,283,492.51 5,114,949.10 168,543.41
254021 Oth Reg Liab-Plant Removal 170,891,761.63 0.00 165,456,864.34 5,434,897.29
254024 Oth Reg Liab-Plant ARO 31,517,745.15 0.00 30,519,753.25 997,991.90
254025 Oth Reg Liab-COS Tax Gross Up 6,648,592.57 0.00 6,233,142.85 415,449.72
232 Accounts Payable - General 111,721,276.24 111,721,276.24 0.00 0.00 0.00
233 Notes Payable to Affiliates 20,505,038.00 20,505,038.00
234 Accounts Payable to Affiliates 41,511,952.47 41,511,952.47
235 Customer Deposits 5,751,820.32 0.00 5,525,559.15 226,261.17
236 Taxes Accrued (2,807,796.22)(2,807,796.22)0.00 0.00
237 Interest Accrued 6,455,416.67 6,455,416.67
241 Tax Collections Payable 16,141,960.89 16,141,960.89 0.00 0.00
242002 Miscellaneous Current & Accrued Liabilities 3,763,864.91 3,763,864.91 0.00 0.00
245 Derivative Liability 11,677.22 11,677.22
282000 Deferred Taxes-Federal 258,718,792.03 (14,373,401.81)7,045,485.67 257,559,818.18 8,486,889.99
282100 Deferred Taxes-State 61,384,264.94 (3,387,682.71)700,755.31 64,071,192.34
283 Deferred Taxes- Purchase Gas Adjustment (191,313.56)0.00 (191,313.56)
2,853,877,492.65 2,292,262,648.34 7,610,800.42 537,664,260.57 16,339,783.32
Page 2
Assets and Other Debits
Net Gas Plant
Net Current and Accrued Assets
Net Deferred Debits
Current and Accrued Liabilities
Deferred Income Taxes
Liabilities and Other Credits

Assets and Other Debits
Liabilities and Other Credits
Proprietary Capital
Long-Term Debt
Misc. Long Term Liab. & Deferred Credits
Questar Gas Company
Detail of Plant
101 Gas Plant in Service Total General Production Utah Distribution Wyoming Distribution
Intangible Plant
302 Dist. Plant Franchise & Consnt 69,625.96 58,742.88 10,883.08
325 Land and Land Rights 6,266,764.34 6,266,764.34
329 Other Structures - Gas 1,437,704.34 1,437,704.34
330 Well Construction - Gas 52,175,293.81 52,175,293.81
331 Gas Wells - Equipment 17,216,356.05 17,216,356.05
334 Field Measure and Reg-Sta Equp 2,693,816.12 2,693,816.12
336 Purification Equipment - Other 57,014.71 57,014.71
337 Other Equipment - GAS 121,186.63 121,186.63 Natural Gas Prod & Gath Plant - Total 79,968,136.00 - 79,968,136.00 - -
374 Land 20,473,046.80 20,021,728.76 451,318.04
375 Structures & Improve - Struct 17,155,490.88 15,976,068.66 1,179,422.22
376 Distribution Plant 1,653,321,372.96 1,603,521,659.28 49,799,713.68
377 Compressor Station Equipment 14,446,634.20 14,446,634.20
378 Measuring & Reg Station Equip 112,971,064.58 104,970,515.67 8,000,548.91
380 Services 432,868,408.68 412,573,082.38 20,295,326.30
382 Meters 393,017,669.46 382,269,864.68 10,747,804.78
384 House Regulators Dist Plant 14,648,355.82 14,208,303.55 440,052.27
387 Other Equipment 2,167,754.10 1,949,726.42 218,027.68
388 Asset Retire Costs - Dist 72,377,355.07 72,370,135.07 7,220.00 Distribution Plant - Total 2,733,447,152.55 - - 2,642,307,718.67 91,139,433.88
389 General Plant - Land 3,787,537.87 3,775,953.85 11,584.02
390 Structures and Improvements 96,794,571.20 51,076,999.94 42,649,764.32 3,067,806.94
391 Office Furniture and Equipment 53,022,869.51 42,235,930.87 10,542,252.31 244,686.33
392 Transportation Equipment 47,339,402.14 44,789,943.54 2,549,458.60
393 Stores Equipment 64,859.20 52,487.31 12,371.89
394 Tools, Shop & Garage Equipment 32,269,736.23 29,940,390.35 2,329,345.88
395 Laboratory Equipment 61,117.83 61,117.83
396 Power Operated Equipment 13,552,411.40 12,334,328.31 1,218,083.09
397 Communication Equipment 14,545,492.35 11,470,664.80 3,074,827.55
398 Miscellaneous Equipment 630,770.45 619,321.41 11,449.04
399 Asset Retire Costs - General 22,479.42 22,479.42 -
General Plant - Total 262,091,247.60 93,312,930.81 - 156,258,703.45 12,519,613.34
101 Total - Gas Plant in Service 3,075,576,162.11 93,312,930.81 79,968,136.00 2,798,625,165.00 103,669,930.30
105 Gas Plant Held for Future Use - -
106 Completed Construction Not Classified - Gas 90,575,015.07 3,422,906.55 85,794,827.42 1,357,281.10
107 Construction Work in Progress - Gas 69,096,117.47 18,324,772.49 50,374,346.11 396,998.87
114 Gas Plant Acquisition Adjustments 6,644,450.15 6,644,450.15
Total Plant 166,315,582.69 21,747,679.04 - 142,813,623.68 1,754,279.97
101 Total - Gas Plant in Service 3,241,891,744.80 115,060,609.85 79,968,136.00 2,941,438,788.68 105,424,210.27 Page 4
Questar Gas Company
Detail of Plant Additions and Retirements
101 Gas Plant in Service Balance Additions Retirements Reclass & Tsfrs Adjustments Value to Date
Intangible Plant
302 Dist. Plant Franchise & Consnt 69,625.96 - - - - 69,625.96
325 Land and Land Rights 6,266,764.34 - - - - 6,266,764.34
329 Other Structures - Gas 1,437,704.34 - - - - 1,437,704.34
330 Well Construction - Gas 52,175,293.81 - - - - 52,175,293.81
331 Gas Wells - Equipment 17,216,356.05 - - - - 17,216,356.05
334 Field Measure and Reg-Sta Equp 2,693,816.12 - - - - 2,693,816.12
336 Purification Equipment - Other 57,014.71 - - - - 57,014.71
337 Other Equipment - GAS 121,186.63 - - - - 121,186.63
Natural Gas Prod & Gath Plant - Total 79,968,136.00 - - - - 79,968,136.00
374 Land 20,473,046.80 - - 20,473,046.80
375 Structures & Improve - Struct 17,120,001.78 35,489.10 - 17,155,490.88
376 Distribution Plant 1,647,648,770.44 5,672,602.52 - 1,653,321,372.96
377 Compressor Station Equipment 14,446,634.20 - - 14,446,634.20
378 Measuring & Reg Station Equip 112,626,221.08 344,843.50 - 112,971,064.58
380 Services 430,224,554.87 2,643,853.81 - 432,868,408.68
382 Meter Installations Distr Plnt 395,314,851.22 (2,297,181.76) - 393,017,669.46
384 Regulator Install Distr Plant 14,648,355.82 - - 14,648,355.82
387 Other Equipment 2,147,615.75 20,138.35 - 2,167,754.10
388 Asset Retire Costs - Dist 73,775,405.61 113,829.08 (1,511,879.62) 72,377,355.07
Distribution Plant - Total 2,728,425,457.57 6,533,574.60 (1,511,879.62) - - 2,733,447,152.55
389 General Plant - Land 3,787,537.87 - - - - 3,787,537.87
390 Structures and Improvements 96,794,571.20 - - - - 96,794,571.20
391 Office Furniture and Equipment 52,982,727.02 40,142.49 - - - 53,022,869.51
392 Transportation Equipment 47,274,585.19 123,929.95 (59,113.00) - - 47,339,402.14
393 Stores Equipment 64,859.20 - - - - 64,859.20
394 Tools, Shop & Garage Equipment 32,028,567.47 242,143.90 (975.14) - - 32,269,736.23
395 Laboratory Equipment 61,117.83 - - - - 61,117.83
396 Power Operated Equipment 13,015,081.80 537,329.60 - - - 13,552,411.40
397 Communication Equipment 14,545,492.35 - - - - 14,545,492.35
398 Miscellaneous Equipment 630,770.45 - - - - 630,770.45
399 Asset Retire Costs - General 36,854.98 895.95 (15,271.51) 22,479.42
General Plant - Total 261,222,165.36 944,441.89 (75,359.65) - - 262,091,247.60
101 Total - Gas Plant in Service 3,069,685,384.89 7,478,016.49 (1,587,239.27) - - 3,075,576,162.11
105 Gas Plant Held for Future Use -
106 Completed Construction Not Classified 91,374,973.37 (799,958.30) 90,575,015.07
107 Construction WIP 67,549,211.88 16,288,923.64 799,958.30 (15,541,976.35) 69,096,117.47
Work Orders Closed to Plant (15,383,953.20) 15,383,953.20 -
114 Gas Plant Acquisition Adjustment 6,644,450.15 6,644,450.15
Misc - Total 165,568,635.40 904,970.44 - - (158,023.15) 166,315,582.69
Total 3,235,254,020.29 8,382,986.93 (1,587,239.27) - (158,023.15) 3,241,891,744.80
Page 5
Questar Gas Company
Detail of Plant Additions and Retirements
101 Gas Plant in Service Balance Additions Retirements Reclass & Tsfrs Adjustments Value to Date
Intangible Plant
302 Dist. Plant Franchise & Consnt 69,625.96 - - - - 69,625.96
325 Land and Land Rights 6,266,900.69 - - - (136.35) 6,266,764.34
329 Other Structures - Gas 1,437,567.99 - - - 136.35 1,437,704.34
330 Well Construction - Gas 52,175,293.81 - - - - 52,175,293.81
331 Gas Wells - Equipment 17,216,356.05 - - - - 17,216,356.05
334 Field Measure and Reg-Sta Equp 2,693,816.12 - - - - 2,693,816.12
336 Purification Equipment - Other 57,014.71 - - - - 57,014.71
337 Other Equipment - GAS 121,186.63 - - - - 121,186.63
Natural Gas Prod & Gath Plant - Total 79,968,136.00 - - - - 79,968,136.00
374 Land 20,471,690.48 1,356.32 - - - 20,473,046.80
375 Structures & Improve - Struct 16,505,532.22 649,958.66 - - - 17,155,490.88
376 Distribution Plant 1,596,898,536.37 56,819,916.06 (397,079.47) - - 1,653,321,372.96
377 Compressor Station Equipment 14,286,566.04 - - - 160,068.16 14,446,634.20
378 Measuring & Reg Station Equip 108,884,795.19 4,089,882.65 - - (3,613.26) 112,971,064.58
380 Services 413,430,548.42 19,598,498.27 (160,638.01) - - 432,868,408.68
382 Meter Installations Distr Plnt 342,449,838.97 50,978,532.18 (414,314.95) - 3,613.26 393,017,669.46
384 Regulator Install Distr Plant 14,648,355.82 - - - - 14,648,355.82
387 Other Equipment 2,305,995.79 21,826.47 - - (160,068.16) 2,167,754.10
388 Asset Retire Costs - Dist 74,120,447.26 113,829.08 (1,856,921.27) - - 72,377,355.07
Distribution Plant - Total 2,604,002,306.56 132,273,799.69 (2,828,953.70) - - 2,733,447,152.55
389 General Plant - Land 3,787,537.87 - - - - 3,787,537.87
390 Structures and Improvements 96,748,501.85 46,069.35 - - - 96,794,571.20
391 Office Furniture and Equipment 52,598,710.68 1,075,678.08 (651,519.25) - - 53,022,869.51
392 Transportation Equipment 52,931,918.18 1,831,389.68 (7,333,111.44) - (90,794.28) 47,339,402.14
393 Stores Equipment 57,397.91 7,461.29 - - - 64,859.20
394 Tools, Shop & Garage Equipment 31,682,375.54 497,541.55 (975.14) - 90,794.28 32,269,736.23
395 Laboratory Equipment 61,117.83 - - - - 61,117.83
396 Power Operated Equipment 12,102,896.68 1,556,374.53 (106,859.81) - - 13,552,411.40
397 Communication Equipment 15,249,221.55 - (703,729.20) - - 14,545,492.35
398 Miscellaneous Equipment 326,348.43 352,417.84 (47,995.82) - - 630,770.45
399 Asset Retire Costs - General 52,300.00 895.95 (30,716.53) - - 22,479.42
General Plant - Total 265,598,326.52 5,367,828.27 (8,874,907.19) - - 262,091,247.60
101 Total - Gas Plant in Service 2,949,638,395.04 137,641,627.96 (11,703,860.89) - - 3,075,576,162.11
105 Gas Plant Held for Future Use 5,036.83 - (5,036.83) - - -
106 Completed Construction Not Classified 26,747,430.72 - - 78,910,612.10 (15,083,027.75) 90,575,015.07
107 Construction WIP 64,357,857.56 189,436,110.27 - (78,910,612.10) (105,787,238.26) 69,096,117.47
Work Orders Closed to Plant (52,648,675.36) - - 52,648,675.36 -
114 Gas Plant Acquisition Adjustment 6,644,450.15 - - - - 6,644,450.15
Misc - Total 97,754,775.26 136,787,434.91 (5,036.83) - (68,221,590.65) 166,315,582.69
Total 3,047,393,170.30 274,429,062.87 (11,708,897.72) - (68,221,590.65) 3,241,891,744.80
Page 6
Questar Gas Company
Comparative Statement of Income and Retained Earnings December 2018
This Year Last Year Increase (Decrease)
400 Operating Revenues 142,763,381.01 158,700,039.67 (15,936,658.66)
142,763,381.01 158,700,039.67 (15,936,658.66)
401-G Gas Purchases 85,064,164.38 100,840,230.11 (15,776,065.73)
401-O Operating Expense 12,945,068.00 13,648,521.69 (703,453.69)
402 Maintenance Expense 1,137,090.59 900,977.19 236,113.40
403 Depreciation Expense 6,411,579.87 5,898,073.56 513,506.31
404 Amortization and Depletion 1,058.66 (1,058.66)
408 Taxes Other Than Income Taxes 1,267,081.01 1,754,215.93 (487,134.92)
409100 Income Taxes - Federal Util Oper Income 8,125,922.20 30,535,683.75 (22,409,761.55)
409111 Income Taxes - State Util Oper Income 1,928,402.95 4,369,240.23 (2,440,837.28)
410100 Income Taxes - Deferred Federal Tax-Utility (2,369,395.76)(16,678,626.13)14,309,230.37
410111 Income Taxes - Deferred State Tax-Utility (361,786.03)(2,812,877.07)2,451,091.04
114,148,127.21 138,456,497.92 (24,308,370.71)
28,615,253.80 20,243,541.75 8,371,712.05
409200 Federal Income Tax - Other Income & Deductions (34,437.35)36,276.73 (70,714.08)
409211 State Income Tax - Other Income & Deductions (8,125.39)5,168.79 (13,294.18)
417 Revenue from Nonutility Operations 347,367.45 506,076.41 (158,708.96)
417.1 Expense from Nonutility Operations (335,299.77)(506,076.41)170,776.64
419000 Interest and Dividend Income 13,757.68 51,640.96 (37,883.28)
419100 Allow for Other Funds Used During Construction (31,110.70)31,110.70
420000 Investment Tax Credit 28,629.62 6,066.53 22,563.09
421000 Miscellaneous Non-Operating Revenue 279,378.00 310,640.00 (31,262.00)
421100 Gain on Disposition of Property 371,719.19 371,719.19
662,989.43 378,682.31 284,307.12
411100 Accretion Expense & Other Income Deductions 2,619.61 2,282.81 336.80
421200 Loss on Disposition of Property 0.00 496.62 (496.62)
426 Miscellaneous Income Deductions 544,736.00 20,833.33 523,902.67
426511 Merger & Restructuring Expense 416,374.10 (416,374.10)
547,355.61 439,986.86 107,368.75
115,633.82 (61,304.55)176,938.37
427001 Interest on Long-Term Debt 2,653,750.01 2,757,666.67 (103,916.66)
427003 Interest on Short-Term Debt 212,894.70 (212,894.70)
428 Amortization of Debt Discount & Expense 58,250.91 73,373.01 (15,122.10)
430 Interest on Debt to Affiliates 52,516.60 80,349.03 (27,832.43)
431009 Other Interest Expense 251,537.00 9,387.72 242,149.28
432 Allow for Borrowed Funds Used During Const - Cr (60,416.79)(43,156.49)(17,260.30)
2,955,637.73 3,090,514.64 (134,876.91)
25,775,249.89 17,091,722.56 8,683,527.33
25,775,249.89 17,091,722.56 8,683,527.33
Retained Earnings (Beg of Period)487,356,382.28 412,499,559.83 74,856,822.45
433 Balance Transferred from Income 25,775,249.89 17,091,722.56 8,683,527.33
513,131,632.17 429,591,282.39 83,540,349.78
Page 8
Current Month
Net Operating IncomeUtility Operating Income
Total Utility Operating IncomeUtility Operating Expenses
Total Utility Operating ExpensesTotal Net Operating Income
Other Income and Deductions
Other Income
Total Other Income
Other Income Deductions
Total Other Income Deductions
Total Other Income and Deductions
Interest Charges
Retained Earnings
Retained Earnings (End of Period)

Interest Charges
Total Interest Charges
Total Income Before Cumulative Effect
Total Net Income

Questar Gas Company
Comparative Statement of Income and Retained Earnings December 2018
This Year Last Year Increase (Decrease)
400 Operating Revenues 912,852,291.58 940,309,863.82 (27,457,572.24)
912,852,291.58 940,309,863.82 (27,457,572.24)
401-G Gas Purchases 530,577,923.17 555,439,838.77 (24,861,915.60)
401-O Operating Expense 131,057,307.89 125,886,273.15 5,171,034.74
402 Maintenance Expense 15,624,028.68 11,547,824.32 4,076,204.36
403 Depreciation Expense 73,583,714.73 66,717,826.21 6,865,888.52
404 Amortization and Depletion 0.00 17,107.56 (17,107.56)
408 Taxes Other Than Income Taxes 24,432,265.30 22,257,842.26 2,174,423.04
409100 Income Taxes - Federal Util Oper Income 10,173,645.99 11,398,038.83 (1,224,392.84)
409111 Income Taxes - State Util Oper Income 4,098,821.31 651,828.49 3,446,992.82
410100 Income Taxes - Deferred Federal Tax-Utility 5,817,653.79 30,138,574.50 (24,320,920.71)
410111 Income Taxes - Deferred State Tax-Utility 487,801.35 5,456,116.08 (4,968,314.73)
795,853,162.21 829,511,270.17 (33,658,107.96)
116,999,129.37 110,798,593.65 6,200,535.72
409200 Federal Income Tax - Other Income & Deductions (760,642.01)10,301,067.55 (11,061,709.56)
409211 State Income Tax - Other Income & Deductions (179,608.56)492,157.16 (671,765.72)
410200 Deferred Income Tax - Other Income & Deductions (9,709,381.66)9,709,381.66
417 Revenue from Nonutility Operations 4,805,178.40 5,928,623.31 (1,123,444.91)
417.1 Expense from Nonutility Operations (4,930,072.50)(5,928,623.31)998,550.81
419000 Interest and Dividend Income 233,757.86 568,129.79 (334,371.93)
419100 Allow for Other Funds Used During Construction 14,486.12 (14,486.12)
420000 Investment Tax Credit 28,629.62 72,798.69 (44,169.07)
421000 Miscellaneous Non-Operating Revenue 3,456,603.83 4,008,052.00 (551,448.17)
421100 Gain on Disposition of Property 371,719.19 10,969.68 360,749.51
3,025,565.83 5,758,279.33 (2,732,713.50)
411100 Accretion Expense & Other Income Deductions (754,263.19)27,393.72 (781,656.91)
421200 Loss on Disposition of Property 0.00 4,444.35 (4,444.35)
426 Miscellaneous Income Deductions 822,244.88 351,410.96 470,833.92
426511 Merger & Restructuring Expense 171,109.07 14,479,591.95 (14,308,482.88)
239,090.76 14,862,840.98 (14,623,750.22)
2,786,475.07 (9,104,561.65)11,891,036.72
427001 Interest on Long-Term Debt 31,995,447.76 30,904,270.26 1,091,177.50
427003 Interest on Short-Term Debt 2,324,836.91 (2,324,836.91)
428 Amortization of Debt Discount & Expense 688,120.10 862,813.81 (174,693.71)
430 Interest on Debt to Affiliates 622,311.51 231,932.12 390,379.39
431009 Other Interest Expense 3,992,267.96 356,042.22 3,636,225.74
432 Allow for Borrowed Funds Used During Const - Cr (1,052,892.67)(500,785.87)(552,106.80)
36,245,254.66 34,179,109.45 2,066,145.21
83,540,349.78 67,514,922.55 16,025,427.23
83,540,349.78 67,514,922.55 16,025,427.23
Retained Earnings (Beg of Period)429,591,282.39 362,076,359.84 67,514,922.55
433 Balance Transferred from Income 83,540,349.78 67,514,922.55 16,025,427.23
513,131,632.17 429,591,282.39 83,540,349.78
Page 9
Twelve Months
Retained Earnings
Retained Earnings (End of Period)

Interest Charges
Total Interest Charges
Total Income Before Cumulative Effect
Total Net Income

Questar Gas Company
Comparative Statement of Income and Retained Earnings December 2018
This Year Last Year Increase (Decrease)
400 Operating Revenues 912,852,291.58 940,309,863.82 (27,457,572.24)
912,852,291.58 940,309,863.82 (27,457,572.24)
401-G Gas Purchases 530,577,923.17 555,439,838.77 (24,861,915.60)
401-O Operating Expense 131,057,307.89 125,886,273.15 5,171,034.74
402 Maintenance Expense 15,624,028.68 11,547,824.32 4,076,204.36
403 Depreciation Expense 73,583,714.73 66,717,826.21 6,865,888.52
404 Amortization and Depletion 0.00 17,107.56 (17,107.56)
408 Taxes Other Than Income Taxes 24,432,265.30 22,257,842.26 2,174,423.04
409100 Income Taxes - Federal Util Oper Income 10,173,645.99 11,398,038.83 (1,224,392.84)
409111 Income Taxes - State Util Oper Income 4,098,821.31 651,828.49 3,446,992.82
410100 Income Taxes - Deferred Federal Tax-Utility 5,817,653.79 30,138,574.50 (24,320,920.71)
410111 Income Taxes - Deferred State Tax-Utility 487,801.35 5,456,116.08 (4,968,314.73)
795,853,162.21 829,511,270.17 (33,658,107.96)
116,999,129.37 110,798,593.65 6,200,535.72
409200 Federal Income Tax - Other Income & Deductions (760,642.01)10,301,067.55 (11,061,709.56)
409211 State Income Tax - Other Income & Deductions (179,608.56)492,157.16 (671,765.72)
410200 Deferred Income Tax - Other Income & Deductions (9,709,381.66)9,709,381.66
417 Revenue from Nonutility Operations 4,805,178.40 5,928,623.31 (1,123,444.91)
417.1 Expense from Nonutility Operations (4,930,072.50)(5,928,623.31)998,550.81
419000 Interest and Dividend Income 233,757.86 568,129.79 (334,371.93)
419100 Allow for Other Funds Used During Construction 14,486.12 (14,486.12)
420000 Investment Tax Credit 28,629.62 72,798.69 (44,169.07)
421000 Miscellaneous Non-Operating Revenue 3,456,603.83 4,008,052.00 (551,448.17)
421100 Gain on Disposition of Property 371,719.19 10,969.68 360,749.51
3,025,565.83 5,758,279.33 (2,732,713.50)
411100 Accretion Expense & Other Income Deductions (754,263.19)27,393.72 (781,656.91)
421200 Loss on Disposition of Property 0.00 4,444.35 (4,444.35)
426 Miscellaneous Income Deductions 822,244.88 351,410.96 470,833.92
426511 Merger & Restructuring Expense 171,109.07 14,479,591.95 (14,308,482.88)
239,090.76 14,862,840.98 (14,623,750.22)
2,786,475.07 (9,104,561.65)11,891,036.72
427001 Interest on Long-Term Debt 31,995,447.76 30,904,270.26 1,091,177.50
427003 Interest on Short-Term Debt 2,324,836.91 (2,324,836.91)
428 Amortization of Debt Discount & Expense 688,120.10 862,813.81 (174,693.71)
430 Interest on Debt to Affiliates 622,311.51 231,932.12 390,379.39
431009 Other Interest Expense 3,992,267.96 356,042.22 3,636,225.74
432 Allow for Borrowed Funds Used During Const - Cr (1,052,892.67)(500,785.87)(552,106.80)
36,245,254.66 34,179,109.45 2,066,145.21
83,540,349.78 67,514,922.55 16,025,427.23
83,540,349.78 67,514,922.55 16,025,427.23
Retained Earnings (Beg of Period)429,591,282.39 362,076,359.84 67,514,922.55
433 Balance Transferred from Income 83,540,349.78 67,514,922.55 16,025,427.23
513,131,632.17 429,591,282.39 83,540,349.78
Page 10
Twelve Months
Net Operating IncomeUtility Operating Income
Total Utility Operating IncomeUtility Operating Expenses
Total Utility Operating ExpensesTotal Net Operating Income
Other Income and Deductions
Other Income
Total Other Income
Other Income Deductions
Total Other Income Deductions
Total Other Income and Deductions
Interest Charges
Retained Earnings (End of Period)

Interest Charges
Total Interest Charges
Total Income Before Cumulative Effect
Total Net Income

Questar Gas Company
FUNCTIONAL STATEMENT OF INCOME AND RETAINED EARNINGS December 2018
Amount General Production UTAH DISTRIBUTION WYOMING DISTRIBUTION
400 Operating Revenues 912,852,291.58 1,211,379.17 27,372,162.33 859,536,015.41 24,732,734.67
912,852,291.58 1,211,379.17 27,372,162.33 859,536,015.41 24,732,734.67
401-G Gas Purchases 530,577,923.17 0.60 530,577,922.57 0.00 0.00
401-O Operating Expense 131,057,307.89 1,824,380.22 (600,007.91)126,383,242.16 3,449,693.42
402 Maintenance Expense 15,624,028.68 10,499.60 15,312,501.48 301,027.60
403 Depreciation Expense 73,583,714.73 9,356,239.72 506,625.63 61,653,256.76 2,067,592.62
408 Taxes Other Than Income Taxes 24,432,265.30 (297,117.88)23,471,163.93 1,258,219.25
409100 Income Taxes - Federal Util Oper Income 10,173,645.99 10,173,645.99
409111 Income Taxes - State Util Oper Income 4,098,821.31 4,098,821.31
410100 Income Taxes - Deferred Federal Tax-Utility 5,817,653.79 5,817,653.79
410111 Income Taxes - Deferred State Tax-Utility 487,801.35 487,801.35
795,853,162.21 31,471,924.70 530,484,540.29 226,820,164.33 7,076,532.89
116,999,129.37 (30,260,545.53)(503,112,377.96)632,715,851.08 17,656,201.78
409200 Federal Income Tax - Other Income & Deductions (760,642.01)(760,642.01)
409211 State Income Tax - Other Income & Deductions (179,608.56)(179,608.56)
417 Revenue from Nonutility Operations 4,805,178.40 4,805,178.40
417.1 Expense from Nonutility Operations (4,930,072.50)(4,930,072.50)
419000 Interest and Dividend Income 233,757.86 233,757.86 0.00 0.00
420000 Investment Tax Credit 28,629.62 28,629.62
421000 Miscellaneous Non-Operating Revenue 3,456,603.83 3,456,603.83 0.00 0.00
421100 Gain on Disposition of Property 371,719.19 371,719.19
3,025,565.83 3,025,565.83 0.00 0.00
411100 Accretion Expense & Other Income Deductions (754,263.19)(754,263.19)0.00
426 Miscellaneous Income Deductions 822,244.88 822,244.88
426511 Merger & Restructuring Expense 171,109.07 171,109.07
239,090.76 239,090.76 0.00 0.00
2,786,475.07 2,786,475.07 0.00 0.00
427001 Interest on Long-Term Debt 31,995,447.76 31,995,447.76
428 Amortization of Debt Discount & Expense 688,120.10 688,120.10
430 Interest on Debt to Affiliates 622,311.51 622,311.51
431009 Other Interest Expense 3,992,267.96 3,992,267.96 0.00
432 Allow for Borrowed Funds Used During Const - Cr (1,052,892.67)(1,052,892.67)
36,245,254.66 36,245,254.66 0.00
83,540,349.78 (63,719,325.12)(503,112,377.96)632,715,851.08 17,656,201.78
83,540,349.78 (63,719,325.12)(503,112,377.96)632,715,851.08 17,656,201.78
Retained Earnings (Beg of Period)429,591,282.39
433 Balance Transferred from Income 83,540,349.78
513,131,632.17
Page 11
Twelve Months
Net Operating Income
Utility Operating Income
Total Utility Operating Income
Utility Operating Expenses
Total Utility Operating Expenses
Total Net Operating Income
Other Income and Deductions
Other Income
Total Other IncomeOther Income Deductions
Total Other Income Deductions
Total Other Income and Deductions
Interest Charges
Retained Earnings (End of Period)

Interest Charges
Total Interest Charges
Total Income Before Cumulative Effect
Total Net Income

Questar Gas Company
FUNCTIONAL STATEMENT OF INCOME AND RETAINED EARNINGS December 2018
Amount General Production UTAH DISTRIBUTION WYOMING DISTRIBUTION
400 Operating Revenues 142,763,381.01 28,620.77 9,095,908.48 136,284,610.02 (2,645,758.26)
142,763,381.01 28,620.77 9,095,908.48 136,284,610.02 (2,645,758.26)
401-G Gas Purchases 85,064,164.38 0.60 85,064,163.78
401-O Operating Expense 12,945,068.00 (752,907.83)(3,003.00)13,328,012.67 372,966.16
402 Maintenance Expense 1,137,090.59 920.17 1,172,629.80 (36,459.38)
403 Depreciation Expense 6,411,579.87 713,329.58 41,466.88 5,473,493.48 183,289.93
408 Taxes Other Than Income Taxes 1,267,081.01 70,696.30 1,105,077.80 91,306.91
409100 Income Taxes - Federal Util Oper Income 8,125,922.20 8,125,922.20
409111 Income Taxes - State Util Oper Income 1,928,402.95 1,928,402.95
410100 Income Taxes - Deferred Federal Tax-Utility (2,369,395.76)(2,369,395.76)
410111 Income Taxes - Deferred State Tax-Utility (361,786.03)(361,786.03)
114,148,127.21 7,355,182.18 85,102,627.66 21,079,213.75 611,103.62
28,615,253.80 (7,326,561.41)(76,006,719.18)115,205,396.27 (3,256,861.88)
409200 Federal Income Tax - Other Income & Deductions (34,437.35)(34,437.35)
409211 State Income Tax - Other Income & Deductions (8,125.39)(8,125.39)
417 Revenue from Nonutility Operations 347,367.45 347,367.45
417.1 Expense from Nonutility Operations (335,299.77)(335,299.77)
419000 Interest and Dividend Income 13,757.68 13,757.68 0.00 0.00
420000 Investment Tax Credit 28,629.62 28,629.62
421000 Miscellaneous Non-Operating Revenue 279,378.00 279,378.00 0.00 0.00
421100 Gain on Disposition of Property 371,719.19 371,719.19
662,989.43 662,989.43 0.00 0.00
411100 Accretion Expense & Other Income Deductions 2,619.61 2,619.61 0.00
426 Miscellaneous Income Deductions 544,736.00 544,736.00
547,355.61 547,355.61 0.00 0.00
115,633.82 115,633.82 0.00 0.00
427001 Interest on Long-Term Debt 2,653,750.01 2,653,750.01
428 Amortization of Debt Discount & Expense 58,250.91 58,250.91
430 Interest on Debt to Affiliates 52,516.60 52,516.60
431009 Other Interest Expense 251,537.00 251,537.00 0.00
432 Allow for Borrowed Funds Used During Const - Cr (60,416.79)(60,416.79)
2,955,637.73 2,955,637.73 0.00
25,775,249.89 (10,166,565.32)(76,006,719.18)115,205,396.27 (3,256,861.88)
25,775,249.89 (10,166,565.32)(76,006,719.18)115,205,396.27 (3,256,861.88)
Retained Earnings (Beg of Period)487,356,382.28
433 Balance Transferred from Income 25,775,249.89
513,131,632.17
Page 11A
Current Month
Net Operating Income
Utility Operating Income
Total Utility Operating Income
Utility Operating Expenses
Total Utility Operating Expenses
Total Net Operating Income
Other Income and Deductions
Other Income
Total Other IncomeOther Income Deductions
Total Other Income Deductions
Total Other Income and Deductions
Interest Charges
Retained Earnings (End of Period)

Interest Charges
Total Interest Charges
Total Income Before Cumulative Effect
Total Net Income

Questar Gas Company
Detail of 400. Operating Revenues December 2018
This Year Last Year This Year Last Year This Year Last Year
480000 Residential Calendarized Revenues 107,799,525.57 110,871,179.36 678,035,927.65 643,831,642.30 678,035,927.65 643,831,642.30
481000 Industrial Sales 521,240.84 738,408.37 5,552,238.34 8,326,246.94 5,552,238.34 8,326,246.94
481003 Industrial Sales - CNG Sales Gas Vehicle 225,354.10 265,614.21 3,022,395.76 3,338,589.69 3,022,395.76 3,338,589.69
481004 Commercial Revenues 28,467,677.17 42,704,187.15 182,178,343.70 233,990,242.83 182,178,343.70 233,990,242.83
483 Sales for Resale (2,841.25)161,953.51 1,605,795.80 1,994,278.85 1,605,795.80 1,994,278.85
137,010,956.43 154,741,342.60 870,394,701.25 891,481,000.61 870,394,701.25 891,481,000.61
487 Int Chgs on Past Due Receivables - Gas 149,592.98 144,159.53 2,232,333.71 2,104,502.46 2,232,333.71 2,104,502.46
488 Misc Service Revenues 218,312.00 167,204.18 2,768,684.00 2,709,947.07 2,768,684.00 2,709,947.07
489101 Capacity Release Credits 51,877.65 0.00 324,477.94 0.00 324,477.94 0.00
4893 Revenue from Transportation of Gas of Ot 2,892,160.61 2,669,470.21 28,319,675.58 26,152,950.28 28,319,675.58 26,152,950.28
490 Incidental Plant Prod Sales 564,143.45 138.58 8,670,661.93 5,456,274.34 8,670,661.93 5,456,274.34
492 Incidental Gasoline_Oil Sales 127,601.89 155,802.75 2,282,587.13 1,809,446.49 2,282,587.13 1,809,446.49
495 Other Gas Revenues (7,291,060.32)9,575.56 1,484,546.43 (273,277.02)1,484,546.43 (273,277.02)
4951 Overriding Royalty Revenue from Celsius 8,034,343.55 781,328.26 8,034,343.55 10,746,174.59 8,034,343.55 10,746,174.59
4952 Oil Revenue Received from Wexpro 318,124.00 31,018.00 318,124.00 122,845.00 318,124.00 122,845.00
496 Provision for Rate Refunds 687,328.77 (11,977,843.94)(11,977,843.94)
5,752,424.58 3,958,697.07 42,457,590.33 48,828,863.21 42,457,590.33 48,828,863.21
142,763,381.01 158,700,039.67 912,852,291.58 940,309,863.82 912,852,291.58 940,309,863.82
Page 12
Account Current Month Twelve Months Twelve Months
Sales of Gas
Total Sales of Gas
Other Operating Revenues
Total Other Operating Revenues
Total 400. Operating Revenues

Questar Gas Company
STATEMENT OF GS GAS SALES - Utah Jurisdiction December 2018
ALLOWED REVENUE PER
GS CUSTOMER (TARIFF)

January 1,006,868 49.30 49,638,592.40
February 1,008,305 40.92 41,259,840.60
March 1,010,039 32.81 33,139,379.59
April 1,013,786 20.70 20,985,370.20
May 1,015,020 13.64 13,844,872.80
June 1,017,894 11.62 11,827,928.28
July 1,016,883 11.08 11,267,063.64
August 1,019,108 11.05 11,261,143.40
September 1,021,205 12.79 13,064,422.24
October 1,020,775 17.15 17,503,080.96
November 1,025,185 31.67 32,467,608.95
December 1,028,983 44.33 45,614,816.39
TOTAL TARIFF 297.06

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF UTAH AND IDAHO GENERAL SERVICE
DNG 46,877,985.36 45,614,816.39 (1,263,168.97)
SNG 22,049,166.22 22,049,166.22 0.00
COMMODITY 57,082,446.53 57,082,446.53 0.00
EEP 4,688,160.65 4,688,160.65 0.00
IRA 5,446,697.32 5,446,697.32 0.00
TOTAL GENERAL SERVICE STATE OF UTAH AND IDAHO 136,144,456.08 134,881,287.11 (1,263,168.97)

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF UTAH AND IDAHO GENERAL SERVICE
DNG 305,757,669.68 301,874,119.45 (3,883,550.23)
SNG 104,955,704.50 104,955,704.50 0.00
COMMODITY 369,426,321.51 369,426,321.51 0.00
EEP 23,887,961.54 23,887,961.54 0.00
IRA 24,449,126.87 24,449,126.87 0.00
TOTAL GENERAL SERVICE STATE OF UTAH AND IDAHO 828,476,784.10 824,593,233.87 (3,883,550.23)

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF UTAH AND IDAHO GENERAL SERVICE
DNG 305,757,669.68 301,874,119.45 (3,883,550.23)
SNG 104,955,704.50 104,955,704.50 0.00
COMMODITY 369,426,321.51 369,426,321.51 0.00
EEP 23,887,961.54 23,887,961.54 0.00
IRA 24,449,126.87 24,449,126.87 0.00
TOTAL GENERAL SERVICE STATE OF UTAH AND IDAHO 828,476,784.10 824,593,233.87 (3,883,550.23)
Year To Date

Questar Gas Company
STATEMENT OF GS GAS SALES - Wyoming Jurisdiction December 2018
ALLOWED REVENUE PER
GS CUSTOMER (TARIFF)

January 27,725 62.2300 1,725,326.75
February 27,778 58.1100 1,614,179.58
March 27,800 48.9300 1,360,254.00
April 27,811 39.5000 1,098,534.50
May 27,751 30.8100 855,008.31
June 27,793 21.9000 608,666.70
July 27,649 21.4300 592,518.07
August 27,677 17.9400 496,525.38
September 27,623 22.8300 630,633.09
October 27,558 31.1800 859,258.44
November 27,695 42.6900 1,182,299.55
December 27,712 56.8300 1,574,872.96
TOTAL TARIFF 454.3800

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF WYOMING GENERAL SERVICE
DNG 1,584,204.78 1,574,872.96 (9,331.82)
COMMODITY 2,407,842.40 2,407,842.40 0.00
EEP 42,144.99 42,144.99 0.00
TOTAL GENERAL SERVICE STATE OF WYOMING 4,034,192.17 4,024,860.35 (9,331.82)

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF WYOMING GENERAL SERVICE
DNG 12,340,979.91 12,598,077.33 257,097.42
COMMODITY 16,197,832.29 16,197,832.29 0.00
EEP 189,969.22 189,969.22 0.00
TOTAL GENERAL SERVICE STATE OF WYOMING 28,728,781.42 28,985,878.84 257,097.42

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF WYOMING GENERAL SERVICE
DNG 12,340,979.91 12,598,077.33 257,097.42
COMMODITY 16,197,832.29 16,197,832.29 0.00
EEP 189,969.22 189,969.22 0.00
TOTAL GENERAL SERVICE STATE OF WYOMING 28,728,781.42 28,985,878.84 257,097.42
Page 13B

Year To Date

Twelve Months
GS CUSTOMERS CET ALLOWED REVENUE
Current Period
Questar Gas Company COMPARATIVE STATEMENT OF GAS SALES - Utah Jurisdiction December 2018
CUSTOMERS DECATHERMS RATE AMOUNT CUSTOMERS DECATHERMS RATE AMOUNT CUSTOMERS DECATHERMS AMOUNT
STATE OF UTAH
FIRM NON GS
Industrial
FS 61 79,640 5.193 413,578.41 67 80,092 6.427 514,770.27 (6)(451)(101,191.86)
NGV 0 21,109 10.503 221,702.10 0 22,098 11.710 258,765.37 0 (989)(37,063.27)
FS 433 295,578 5.319 1,572,316.75 424 312,490 6.485 2,026,422.42 9 (16,912)(454,105.67)
TOTAL FIRM 494 396,327 5.570 2,207,597.26 491 414,680 6.752 2,799,958.06 3 (18,353)(592,360.80)
IS 8 11,826 4.184 49,479.48 17 31,072 4.899 152,211.61 (9)(19,246)(102,732.13)
IS 11 11,074 4.198 46,490.58 17 16,127 5.094 82,148.94 (6)(5,052)(35,658.36)
TOTAL INTERRUPTIBLE 19 22,900 4.191 95,970.06 34 47,198 4.965 234,360.55 (15)(24,298)(138,390.49)
TS 269 3,119,595 0.340 1,061,617.80 248 3,103,571 0.352 1,091,047.13 21 16,024 (29,429.33)
FT1 5 434,147 0.304 131,914.95 5 446,113 0.305 136,241.13 0 (11,966)(4,326.18)
TS 679 2,061,718 0.600 1,237,257.97 452 1,707,024 0.582 992,946.00 227 354,694 244,311.97
FT1 4 3,480,898 0.128 445,767.01 4 2,759,346 0.158 435,471.20 0 721,552 10,295.81
MT 1 4,327 0.952 4,120.49 1 3,577 0.881 3,150.76 0 750 969.73
TOTAL TRANSPORTATION 958 9,100,685 0.317 2,880,678.22 710 8,019,631 0.332 2,658,856.22 248 1,081,054 221,822.00
TOTAL FIRM, INTER, & TRANS 1,471 9,519,912 0.545 5,184,245.54 1,235 8,481,509 0.671 5,693,174.83 236 1,038,403 (508,929.29)
GS 958,244 13,008,300 7.277 94,656,026.69 932,650 12,098,917 8.897 107,641,261.05 25,594 909,384 (12,985,234.36)
GS 68,523 5,190,121 6.202 32,188,588.38 67,321 5,009,919 7.741 38,782,648.16 1,202 180,202 (6,594,059.78)
TOTAL GENERAL SERVICE 1,026,767 18,198,421 6.970 126,844,615.07 999,971 17,108,836 8.558 146,423,909.21 26,796 1,089,585 (19,579,294.14)
TOTAL STATE OF UTAH 1,028,238 27,718,334 4.763 132,028,860.61 1,001,206 25,590,345 5.944 152,117,084.04 27,032 2,127,989 (20,088,223.43)
STATE OF IDAHO
FIRM
Commercial
FS 2 1,540 5.438 8,372.72 2 1,572 6.624 10,412.76 0 (32)(2,040.04)
TOTAL FIRM 2 1,540 5.438 8,372.72 2 1,572 6.624 10,412.76 0 (32)(2,040.04)
IS 1 0 0.000 63.49 1 0 0.000 63.50 0 0 (0.01)
TOTAL INTERRUPTIBLE 1 0 0.000 63.49 1 0 0.000 63.50 0 0 (0.01)
GS 1,965 25,200 7.133 179,751.29 1,928 24,068 8.844 212,848.90 37 1,132 (33,097.61)
GS 251 17,993 6.119 110,095.46 248 17,642 7.706 135,954.00 3 351 (25,858.54)
TOTAL GENERAL SERVICE 2,216 43,193 6.710 289,846.75 2,176 41,710 8.363 348,802.90 40 1,483 (58,956.15)
TOTAL STATE OF IDAHO 2,219 44,733 6.668 298,282.96 2,179 43,282 8.301 359,279.16 40 1,451 (60,996.20)
CET ADJUSTMENT - UTAH & IDAHO 0 0.000 (1,263,168.99)0 0.000 (3,472,186.83)0 0 2,209,017.84
TOTAL CET - GENERAL SERVICE - UTAH & IDAHO 0 0.000 (1,263,168.99)0 0.000 (3,472,186.83)0 0 2,209,017.84
EEP AMORTIZATION - UTAH & IDAHO 0 0.000 4,688,160.65 0 0.000 3,872,050.69 0 0 816,109.96
TOTAL EEP - GENERAL SERVICE - UTAH & IDAHO 0 0.000 4,688,160.65 0 0.000 3,872,050.69 0 0 816,109.96
FIRM NON GS - UTAH & IDAHO 496 397,867 5.570 2,215,969.98 493 416,252 6.752 2,810,370.82 3 (18,385)(594,400.84)
INTERRUPTIBLE - UTAH & IDAHO 20 22,900 4.194 96,033.55 35 47,198 4.967 234,424.05 (15)(24,298)(138,390.50)
TRANSPORTATION - UTAH & IDAHO 958 9,100,685 0.317 2,880,678.22 710 8,019,631 0.332 2,658,856.22 248 1,081,054 221,822.00
GENERAL SERVICE CALENDARIZED REVENUE - UTAH & IDAHO 1,028,983 18,241,614 7.157 130,559,453.48 1,002,147 17,150,546 8.581 147,172,575.97 26,836 1,091,068 (16,613,122.49)
GAS SALES - ALL DIVISIONS UTAH & IDAHO 1,030,457 27,763,066 4.890 135,752,135.23 1,003,385 25,633,627 5.964 152,876,227.06 27,072 2,129,439 (17,124,091.83)
Page 14

CLASSIFICATION CURRENT MONTH - THIS YEAR CURRENT MONTH - LAST YEAR INCREASE OR DECREASE

Questar Gas Company
COMPARATIVE STATEMENT OF GAS SALES - Wyoming Jurisdiction December 2018
CUSTOMERS DECATHERMS RATE AMOUNT CUSTOMERS DECATHERMS RATE AMOUNT CUSTOMERS DECATHERMS AMOUNT
STATE OF WYOMING
FIRM NON GS
Industrial
NGV 0 296 12.353 3,652.00 0 486 14.087 6,848.84 0 (191)(3,196.84)
FS 26 21,400 4.927 105,431.44 24 13,233 6.181 81,794.36 2 8,167 23,637.08
TOTAL FIRM 26 21,696 5.028 109,083.44 24 13,720 6.461 88,643.20 2 7,976 20,440.24
IS 1 119 7.879 938.07 2 1,526 5.980 9,123.18 (1)(1,407)(8,185.11)
IS 3 16,959 4.502 76,353.20 2 9,227 5.780 53,331.98 1 7,732 23,021.22
TOTAL INTERRUPTIBLE 4 17,078 4.526 77,291.27 4 10,752 5.809 62,455.16 0 6,326 14,836.11
IT 4 18,802 0.431 8,105.97 3 16,214 0.456 7,391.08 1 2,588 714.89
IC 1 37,472 0.060 2,233.42 1 36,437 0.060 2,191.31 0 1,035 42.11
IC 1 3,473 0.329 1,142.90 1 3,102 0.333 1,031.60 0 371 111.30
TOTAL TRANSPORTATION 6 59,747 0.192 11,482.29 5 55,753 0.190 10,613.99 1 3,994 868.30
TOTAL FIRM, INTER, & TRANS 36 98,521 2.008 197,857.00 33 80,225 2.016 161,712.35 3 18,296 36,144.65
GS 24,718 359,414 6.858 2,464,731.19 24,700 297,403 8.878 2,640,354.71 18 62,012 (175,623.52)
GS 2,994 237,670 6.136 1,458,421.46 3,003 199,017 8.008 1,593,714.34 (9)38,653 (135,292.88)
TOTAL GENERAL SERVICE 27,712 597,084 6.571 3,923,152.65 27,703 496,419 8.529 4,234,069.05 9 100,664 (310,916.40)
TOTAL STATE OF WYOMING 27,748 695,604 5.924 4,121,009.65 27,736 576,644 7.623 4,395,781.40 12 118,960 (274,771.75)
CET ADJUSTMENT - WYOMING 0 0.000 (9,331.84)0 0.000 (48,490.13)0 39,158.29
TOTAL CET - GENERAL SERVICE - WYOMING 0 0.000 (9,331.84)0 0.000 (48,490.13)0 39,158.29
EEP AMORTIZATION - WYOMING 0 0.000 42,144.99 0 0.000 25,340.97 0 16,804.02
TOTAL EEP - GENERAL SERVICE - WYOMING 0 0.000 42,144.99 0 0.000 25,340.97 0 16,804.02
FIRM NON GS - ALL DIVISIONS 522 419,563 5.542 2,325,053.42 517 429,972 6.742 2,899,014.02 5 (10,409)(573,960.60)
INTERRUPTIBLE - ALL DIVISIONS 24 39,978 4.336 173,324.82 39 57,950 5.123 296,879.21 (15)(17,972)(123,554.39)
TRANSPORTATION - ALL DIVISIONS 964 9,160,432 0.316 2,892,160.51 715 8,075,384 0.331 2,669,470.21 249 1,085,048 222,690.30
GENERAL SERVICE CALENDARIZED REVENUE - ALL DIVISIONS 1,056,695 18,838,698 7.140 134,515,419.28 1,029,850 17,646,965 8.578 151,383,495.86 26,845 1,191,733 (16,868,076.58)
GAS SALES - ALL DIVISION 1,058,205 28,458,671 4.916 139,905,958.03 1,031,121 26,210,271 6.000 157,248,859.30 27,084 2,248,399 (17,342,901.27)
Page 15

CLASSIFICATION CURRENT MONTH - THIS YEAR CURRENT MONTH - LAST YEAR INCREASE OR DECREASE

Questar Gas Company COMPARATIVE STATEMENT OF GAS SALES - Utah Jurisdiction December 2018
DECATHERMS RATE AMOUNT DECATHERMS RATE AMOUNT DECATHERMS AMOUNT
STATE OF UTAH
FIRM NON GS
Industrial
FS 822,454 5.403 4,443,559.32 1,089,676 5.591 6,091,943.11 (267,222)(1,648,383.79)
NGV 271,663 10.847 2,946,833.65 297,835 10.889 3,243,053.96 (26,171)(296,220.31)
FS 2,555,667 5.598 14,307,859.70 2,812,575 5.844 16,436,768.67 (256,908)(2,128,908.97)
TOTAL FIRM 3,649,784 5.945 21,698,252.67 4,200,085 6.136 25,771,765.74 (550,301)(4,073,513.07)
IS 128,234 4.898 628,034.44 375,355 4.753 1,783,888.99 (247,121)(1,155,854.55)
IS 105,752 4.867 514,730.17 243,420 4.893 1,191,092.33 (137,668)(676,362.16)
TOTAL INTERRUPTIBLE 233,986 4.884 1,142,764.61 618,775 4.808 2,974,981.32 (384,789)(1,832,216.71)
TS 31,440,889 0.385 12,091,784.75 31,313,782 0.374 11,711,242.51 127,107 380,542.24
FT1 4,560,370 0.307 1,401,643.68 4,638,112 0.309 1,434,849.18 (77,742)(33,205.50)
TS 15,817,801 0.695 10,991,391.32 13,469,871 0.679 9,142,120.81 2,347,930 1,849,270.51
FT1 36,988,461 0.099 3,648,692.74 26,637,393 0.139 3,713,986.25 10,351,068 (65,293.51)
MT 21,619 3.828 82,765.77 21,165 1.243 26,305.44 454 56,460.33
TOTAL TRANSPORTATION 88,829,140 0.318 28,216,278.26 76,080,323 0.342 26,028,504.19 12,748,817 2,187,774.07
TOTAL FIRM, INTER, & TRANS 92,712,910 0.551 51,057,295.54 80,899,183 0.677 54,775,251.25 11,813,728 (3,717,955.71)
GS 69,962,764 8.543 597,725,175.03 69,048,854 8.746 603,887,761.71 913,910 (6,162,586.68)
GS 27,659,751 7.072 195,607,223.93 27,913,268 7.298 203,722,019.36 (253,517)(8,114,795.43)
TOTAL GENERAL SERVICE 97,622,515 8.127 793,332,398.96 96,962,122 8.329 807,609,781.07 660,393 (14,277,382.11)
TOTAL STATE OF UTAH 190,335,425 4.436 844,389,694.50 177,861,305 4.849 862,385,032.32 12,474,121 (17,995,337.82)
STATE OF IDAHO
FIRM
Commercial
FS 15,568 5.521 85,945.78 14,926 5.857 87,425.05 642 (1,479.27)
TOTAL FIRM 15,568 5.521 85,945.78 14,926 5.857 87,425.05 642 (1,479.27)
IS 0 0.000 761.88 567 6.342 3,593.03 (567)(2,831.15)
TOTAL INTERRUPTIBLE 0 0.000 761.88 567 6.342 3,593.03 (567)(2,831.15)
GS 137,309 8.543 1,173,031.54 140,061 8.658 1,212,711.46 (2,752)(39,679.92)
GS 94,085 7.059 664,168.91 91,544 7.350 672,890.12 2,541 (8,721.21)
TOTAL GENERAL SERVICE 231,394 7.940 1,837,200.45 231,605 8.141 1,885,601.58 (211)(48,401.13)
TOTAL STATE OF IDAHO 246,962 7.790 1,923,908.11 247,098 7.999 1,976,619.66 (136)(52,711.55)
CET ADJUSTMENT - UTAH & IDAHO 0 0.000 (3,883,550.45)0 0.000 (1,433,988.73)0 (2,449,561.72)
TOTAL CET - GENERAL SERVICE - UTAH & IDAHO 0 0.000 (3,883,550.45)0 0.000 (1,433,988.73)0 (2,449,561.72)
EEP AMORTIZATION - UTAH & IDAHO 0 0.000 23,887,961.54 0 0.000 20,806,992.39 0 3,080,969.15
TOTAL EEP - GENERAL SERVICE - UTAH & IDAHO 0 0.000 23,887,961.54 0 0.000 20,806,992.39 0 3,080,969.15
FIRM NON GS - UTAH & IDAHO 3,665,353 5.943 21,784,198.45 4,215,012 6.135 25,859,190.79 (549,659)(4,074,992.34)
INTERRUPTIBLE - UTAH & IDAHO 233,986 4.887 1,143,526.49 619,341 4.809 2,978,574.35 (385,355)(1,835,047.86)
TRANSPORTATION - UTAH & IDAHO 88,829,140 0.318 28,216,278.26 76,080,323 0.342 26,028,504.19 12,748,817 2,187,774.07
GENERAL SERVICE CALENDARIZED REVENUE - UTAH & IDAHO 97,853,909 8.331 815,174,010.50 97,193,727 8.528 828,868,386.31 660,182 (13,694,375.81)
GAS SALES - ALL DIVISIONS UTAH & IDAHO 190,582,388 4.546 866,318,013.70 178,108,403 4.962 883,734,655.64 12,473,985 (17,416,641.94)
Page 16

CLASSIFICATION YEAR TO DATE - THIS YEAR YEAR TO DATE - LAST YEAR INCREASE OR DECREASE

Questar Gas Company
COMPARATIVE STATEMENT OF GAS SALES - Wyoming Jurisdiction December 2018
DECATHERMS RATE AMOUNT DECATHERMS RATE AMOUNT DECATHERMS AMOUNT
STATE OF WYOMING
FIRM NON GS
Industrial
NGV 5,917 12.770 75,562.11 6,777 14.097 95,535.73 (860)(19,973.62)
FS 165,199 5.725 945,687.09 171,161 6.002 1,027,360.73 (5,962)(81,673.64)
TOTAL FIRM 171,116 5.968 1,021,249.20 177,938 6.311 1,122,896.46 (6,821)(101,647.26)
IS 20,662 5.512 113,882.39 28,330 5.632 159,555.31 (7,668)(45,672.92)
IS 126,809 5.370 681,009.66 120,670 5.539 668,413.81 6,138 12,595.85
TOTAL INTERRUPTIBLE 147,471 5.390 794,892.05 149,001 5.557 827,969.12 (1,530)(33,077.07)
IT 138,651 0.574 79,532.97 146,691 0.550 80,745.22 (8,040)(1,212.25)
IC 246,634 0.063 15,427.87 493,816 0.071 35,257.37 (247,182)(19,829.50)
IC 24,078 0.350 8,435.28 24,105 0.350 8,443.50 (27)(8.22)
TOTAL TRANSPORTATION 409,363 0.253 103,396.12 664,612 0.187 124,446.09 (255,249)(21,049.97)
TOTAL FIRM, INTER, & TRANS 727,950 2.637 1,919,537.37 991,550 2.093 2,075,311.67 (263,600)(155,774.30)
GS 2,055,767 8.927 18,352,319.90 2,056,169 9.169 18,852,341.04 (402)(500,021.14)
GS 1,330,536 7.570 10,071,640.54 1,339,358 7.818 10,471,539.26 (8,822)(399,898.72)
TOTAL GENERAL SERVICE 3,386,303 8.394 28,423,960.44 3,395,527 8.636 29,323,880.30 (9,224)(899,919.86)
TOTAL STATE OF WYOMING 4,114,253 7.375 30,343,497.81 4,387,077 7.157 31,399,191.97 (272,824)(1,055,694.16)
CET ADJUSTMENT - WYOMING 0 0.000 257,097.18 0 0.000 340,767.31 0 (83,670.13)
TOTAL CET - GENERAL SERVICE - WYOMING 0 0.000 257,097.18 0 0.000 340,767.31 0 (83,670.13)
EEP AMORTIZATION - WYOMING 0 0.000 189,969.22 0 0.000 165,057.12 0 24,912.10
TOTAL EEP - GENERAL SERVICE - WYOMING 0 0.000 189,969.22 0 0.000 165,057.12 0 24,912.10
FIRM NON GS - ALL DIVISIONS 3,836,469 5.944 22,805,447.65 4,392,950 6.142 26,982,087.25 (556,481)(4,176,639.60)
INTERRUPTIBLE - ALL DIVISIONS 381,457 5.082 1,938,418.54 768,342 4.954 3,806,543.47 (386,885)(1,868,124.93)
TRANSPORTATION - ALL DIVISIONS 89,238,503 0.317 28,319,674.38 76,744,935 0.341 26,152,950.28 12,493,568 2,166,724.10
GENERAL SERVICE CALENDARIZED REVENUE - ALL DIVISIONS 101,240,212 8.337 844,045,037.34 100,589,254 8.537 858,698,091.04 650,958 (14,653,053.70)
GAS SALES - ALL DIVISION 194,696,641 4.608 897,108,577.91 182,495,480 5.017 915,639,672.04 12,201,160 (18,531,094.13)
Page 17

CLASSIFICATION YEAR TO DATE - THIS YEAR YEAR TO DATE - LAST YEAR INCREASE OR DECREASE

Questar Gas Company COMPARATIVE STATEMENT OF GAS SALES - Utah Jurisdiction December 2018
DECATHERMS RATE AMOUNT DECATHERMS RATE AMOUNT DECATHERMS AMOUNT
STATE OF UTAH
FIRM NON GS
Industrial
FS 822,454 5.403 4,443,559.32 1,089,676 5.591 6,091,943.11 (267,222)(1,648,383.79)
NGV 271,663 10.847 2,946,833.65 297,835 10.889 3,243,053.96 (26,171)(296,220.31)
FS 2,555,667 5.598 14,307,859.70 2,812,575 5.844 16,436,768.67 (256,908)(2,128,908.97)
TOTAL FIRM 3,649,784 5.945 21,698,252.67 4,200,085 6.136 25,771,765.74 (550,301)(4,073,513.07)
IS 128,234 4.898 628,034.44 375,355 4.753 1,783,888.99 (247,121)(1,155,854.55)
IS 105,752 4.867 514,730.17 243,420 4.893 1,191,092.33 (137,668)(676,362.16)
TOTAL INTERRUPTIBLE 233,986 4.884 1,142,764.61 618,775 4.808 2,974,981.32 (384,789)(1,832,216.71)
TS 31,440,889 0.385 12,091,784.75 31,313,782 0.374 11,711,242.51 127,107 380,542.24
FT1 4,560,370 0.307 1,401,643.68 4,638,112 0.309 1,434,849.18 (77,742)(33,205.50)
TS 15,817,801 0.695 10,991,391.32 13,469,871 0.679 9,142,120.81 2,347,930 1,849,270.51
FT1 36,988,461 0.099 3,648,692.74 26,637,393 0.139 3,713,986.25 10,351,068 (65,293.51)
MT 21,619 3.828 82,765.77 21,165 1.243 26,305.44 454 56,460.33
TOTAL TRANSPORTATION 88,829,140 0.318 28,216,278.26 76,080,323 0.342 26,028,504.19 12,748,817 2,187,774.07
TOTAL FIRM, INTER, & TRANS 92,712,910 0.551 51,057,295.54 80,899,183 0.677 54,775,251.25 11,813,728 (3,717,955.71)
GS 69,962,764 8.543 597,725,175.03 69,048,854 8.746 603,887,761.71 913,910 (6,162,586.68)
GS 27,659,751 7.072 195,607,223.93 27,913,268 7.298 203,722,019.36 (253,517)(8,114,795.43)
TOTAL GENERAL SERVICE 97,622,515 8.127 793,332,398.96 96,962,122 8.329 807,609,781.07 660,393 (14,277,382.11)
TOTAL STATE OF UTAH 190,335,425 4.436 844,389,694.50 177,861,305 4.849 862,385,032.32 12,474,121 (17,995,337.82)
STATE OF IDAHO
FIRM
Commercial
FS 15,568 5.521 85,945.78 14,926 5.857 87,425.05 642 (1,479.27)
TOTAL FIRM 15,568 5.521 85,945.78 14,926 5.857 87,425.05 642 (1,479.27)
IS 0 0.000 761.88 567 6.342 3,593.03 (567)(2,831.15)
TOTAL INTERRUPTIBLE 0 0.000 761.88 567 6.342 3,593.03 (567)(2,831.15)
GS 137,309 8.543 1,173,031.54 140,061 8.658 1,212,711.46 (2,752)(39,679.92)
GS 94,085 7.059 664,168.91 91,544 7.350 672,890.12 2,541 (8,721.21)
TOTAL GENERAL SERVICE 231,394 7.940 1,837,200.45 231,605 8.141 1,885,601.58 (211)(48,401.13)
TOTAL STATE OF IDAHO 246,962 7.790 1,923,908.11 247,098 7.999 1,976,619.66 (136)(52,711.55)
CET ADJUSTMENT - UTAH & IDAHO 0 0.000 (3,883,550.45)0 0.000 (1,433,988.73)0 (2,449,561.72)
TOTAL CET - GENERAL SERVICE - UTAH & IDAHO 0 0.000 (3,883,550.45)0 0.000 (1,433,988.73)0 (2,449,561.72)
EEP AMORTIZATION - UTAH & IDAHO 0 0.000 23,887,961.54 0 0.000 20,806,992.39 0 3,080,969.15
TOTAL EEP - GENERAL SERVICE - UTAH & IDAHO 0 0.000 23,887,961.54 0 0.000 20,806,992.39 0 3,080,969.15
FIRM NON GS - UTAH & IDAHO 3,665,353 5.943 21,784,198.45 4,215,012 6.135 25,859,190.79 (549,659)(4,074,992.34)
INTERRUPTIBLE - UTAH & IDAHO 233,986 4.887 1,143,526.49 619,341 4.809 2,978,574.35 (385,355)(1,835,047.86)
TRANSPORTATION - UTAH & IDAHO 88,829,140 0.318 28,216,278.26 76,080,323 0.342 26,028,504.19 12,748,817 2,187,774.07
GENERAL SERVICE CALENDARIZED REVENUE - UTAH & IDAHO 97,853,909 8.331 815,174,010.50 97,193,727 8.528 828,868,386.31 660,182 (13,694,375.81)
GAS SALES - ALL DIVISIONS UTAH & IDAHO 190,582,388 4.546 866,318,013.70 178,108,403 4.962 883,734,655.64 12,473,985 (17,416,641.94)
Page 18

CLASSIFICATION TWELVE MONTHS - THIS YEAR TWELVE MONTHS - LAST YEAR INCREASE OR DECREASE

Questar Gas Company
COMPARATIVE STATEMENT OF GAS SALES - Wyoming Jurisdiction December 2018
DECATHERMS RATE AMOUNT DECATHERMS RATE AMOUNT DECATHERMS AMOUNT
STATE OF WYOMING
FIRM NON GS
Industrial
NGV 5,917 12.770 75,562.11 6,777 14.097 95,535.73 (860)(19,973.62)
FS 165,199 5.725 945,687.09 171,161 6.002 1,027,360.73 (5,962)(81,673.64)
TOTAL FIRM 171,116 5.968 1,021,249.20 177,938 6.311 1,122,896.46 (6,821)(101,647.26)
IS 20,662 5.512 113,882.39 28,330 5.632 159,555.31 (7,668)(45,672.92)
IS 126,809 5.370 681,009.66 120,670 5.539 668,413.81 6,138 12,595.85
TOTAL INTERRUPTIBLE 147,471 5.390 794,892.05 149,001 5.557 827,969.12 (1,530)(33,077.07)
IT 138,651 0.574 79,532.97 146,691 0.550 80,745.22 (8,040)(1,212.25)
IC 246,634 0.063 15,427.87 493,816 0.071 35,257.37 (247,182)(19,829.50)
IC 24,078 0.350 8,435.28 24,105 0.350 8,443.50 (27)(8.22)
TOTAL TRANSPORTATION 409,363 0.253 103,396.12 664,612 0.187 124,446.09 (255,249)(21,049.97)
TOTAL FIRM, INTER, & TRANS 727,950 2.637 1,919,537.37 991,550 2.093 2,075,311.67 (263,600)(155,774.30)
GS 2,055,767 8.927 18,352,319.90 2,056,169 9.169 18,852,341.04 (402)(500,021.14)
GS 1,330,536 7.570 10,071,640.54 1,339,358 7.818 10,471,539.26 (8,822)(399,898.72)
TOTAL GENERAL SERVICE 3,386,303 8.394 28,423,960.44 3,395,527 8.636 29,323,880.30 (9,224)(899,919.86)
TOTAL STATE OF WYOMING 4,114,253 7.375 30,343,497.81 4,387,077 7.157 31,399,191.97 (272,824)(1,055,694.16)
CET ADJUSTMENT - WYOMING 0 0.000 257,097.18 0 0.000 340,767.31 0 (83,670.13)
TOTAL CET - GENERAL SERVICE - WYOMING 0 0.000 257,097.18 0 0.000 340,767.31 0 (83,670.13)
EEP AMORTIZATION - WYOMING 0 0.000 189,969.22 0 0.000 165,057.12 0 24,912.10
TOTAL EEP - GENERAL SERVICE - WYOMING 0 0.000 189,969.22 0 0.000 165,057.12 0 24,912.10
FIRM NON GS - ALL DIVISIONS 3,836,469 5.944 22,805,447.65 4,392,950 6.142 26,982,087.25 (556,481)(4,176,639.60)
INTERRUPTIBLE - ALL DIVISIONS 381,457 5.082 1,938,418.54 768,342 4.954 3,806,543.47 (386,885)(1,868,124.93)
TRANSPORTATION - ALL DIVISIONS 89,238,503 0.317 28,319,674.38 76,744,935 0.341 26,152,950.28 12,493,568 2,166,724.10
GENERAL SERVICE CALENDARIZED REVENUE - ALL DIVISIONS 101,240,212 8.337 844,045,037.34 100,589,254 8.537 858,698,091.04 650,958 (14,653,053.70)
GAS SALES - ALL DIVISION 194,696,641 4.608 897,108,577.91 182,495,480 5.017 915,639,672.04 12,201,160 (18,531,094.13)
Page 19

CLASSIFICATION TWELVE MONTHS - THIS YEAR TWELVE MONTHS - LAST YEAR INCREASE OR DECREASE

Questar Gas Company
Summary of Operation and Maintenance Expense Accounts 401 and 402 December 2018
Account This Year Last Year Increase (Decrease)Percent
Gas Purchase Expenses 85,064,164.38 100,840,230.11 (15,776,065.73)-15.6%
Natural Gas Production Expenses (71,584.56)(92,969.83)21,385.27 -23.0%
Distribution Expenses 4,465,992.29 5,008,008.80 (542,016.51)-10.8%
Customer Accounts Expenses 837,447.91 1,710,519.44 (873,071.53)-51.0%
Customer Service & Information Expenses 4,978,336.00 4,091,451.41 886,884.59 21.7%
Administrative and General Expenses 3,871,966.95 3,832,489.06 39,477.89 1.0%
Total Current Month 99,146,322.97 115,389,728.99 (16,243,406.02)-14.1%
Account This Year Last Year Increase (Decrease)Percent
Gas Purchase Expenses 530,577,923.17 555,439,838.77 (24,861,915.60)-4.5%
Natural Gas Production Expenses (886,886.91)(907,324.93)20,438.02 -2.3%
Distribution Expenses 57,001,664.42 54,949,884.13 2,051,780.29 3.7%
Customer Accounts Expenses 13,827,936.54 19,085,579.97 (5,257,643.43)-27.6%
Customer Service & Information Expenses 27,244,073.19 24,653,125.22 2,590,947.97 10.5%
Administrative and General Expenses 49,494,549.33 39,652,833.08 9,841,716.25 24.8%
Total Twelve Months 677,259,259.74 692,873,936.24 (15,614,676.50)-2.3%
Account This Year Last Year Increase (Decrease)Percent
Gas Purchase Expenses 530,577,923.17 555,439,838.77 (24,861,915.60)-4.5%
Natural Gas Production Expenses (886,886.91)(907,324.93)20,438.02 -2.3%
Distribution Expenses 57,001,664.42 54,949,884.13 2,051,780.29 3.7%
Customer Accounts Expenses 13,827,936.54 19,085,579.97 (5,257,643.43)-27.6%
Customer Service & Information Expenses 27,244,073.19 24,653,125.22 2,590,947.97 10.5%
Administrative and General Expenses 49,494,549.33 39,652,833.08 9,841,716.25 24.8%
Total Twelve Months 677,259,259.74 692,873,936.24 (15,614,676.50)-2.3%
Page 21
Twelve Months

Current Month
Twelve Months
Questar Gas Company
Gas Purchase and Production Expenses December 2018
This Year Last Year This Year Last Year This Year Last Year
758000 Gas Well Royalties 2,354,220.08 2,620,858.05 27,036,651.91 21,324,175.92 27,036,651.91 21,324,175.92
758001 Gas Well Royalties - Other 25,753.29 311,269.65 311,269.65
759000 Other Expenses 2,296,349.19 2,246,740.93 28,224,247.88 24,917,407.16 28,224,247.88 24,917,407.16
800000 Natural Gas Well Head Purchases 277,870.00 277,870.00 517.99 277,870.00 517.99
803000 Natural Gas Transmission Line Purchases 50,992,191.58 27,344,673.52 131,719,096.93 124,172,993.79 131,719,096.93 124,172,993.79
804000 Natural Gas City Gate Purchases - Others 51,500.00 1,327,857.40 51,500.00 1,327,857.40
805100 Purchased Gas Cost Adj - Utah & Wyoming (530,483.09)27,107,925.00 6,636,297.85 (7,321,712.97)6,636,297.85 (7,321,712.97)
806000 Exchanged Gas (1,286,845.92)(7,182,597.75)(7,182,597.75)
808100 Gas Delivered to Underground Storage - Debit 10,133,716.20 7,112,350.27 78,944,240.12 73,481,198.58 78,944,240.12 73,481,198.58
808200 Gas Delivered to Underground Storage - Credit (1,518,161.09)(713,447.87)(70,220,947.85)(77,038,284.78)(70,220,947.85)(77,038,284.78)
808300 Working Gas 308,140.00 3,144,952.95 3,968,802.00 3,144,952.95 3,968,802.00
813000 Other Gas Supply Operations 15,560,622.13 26,738,152.28 264,046,009.72 321,484,484.64 264,046,009.72 321,484,484.64
858000 Transmission & Compression of Gas by Others 6,784,685.30 8,049,084.64 67,900,601.41 68,811,129.39 67,900,601.41 68,811,129.39
85,064,164.38 100,840,230.11 530,577,923.17 555,439,838.77 530,577,923.17 555,439,838.77
810000 Gas Used for Compr Station Fuel - Credit (3,003.00)(658.00)(15,323.00)(14,233.00)(15,323.00)(14,233.00)
812000 Gas Used for Other Util Operations - Credit (68,581.56)(92,311.83)(871,563.91)(893,091.93)(871,563.91)(893,091.93)
(71,584.56)(92,969.83)(886,886.91)(907,324.93)(886,886.91)(907,324.93)
84,992,579.82 100,747,260.28 529,691,036.26 554,532,513.84 529,691,036.26 554,532,513.84
Page 22
Account Current Month Twelve Months Twelve Months
Gas Purchase Expenses
Total Gas Purchase Expenses
Production Expenses
Total Production Expenses
Total Gas Purchase and Production Expenses

Questar Gas Company
Distribution Expenses December 2018
This Year Last Year This Year Last Year This Year Last Year
870 Operation Supervision and Engineering 351,227.46 1,299,167.04 318,301.56 1,213,285.99 32,925.90 85,881.05
871 Distribution Load Dispatching 132,246.93 181,742.27 128,400.73 178,870.65 3,846.20 2,871.62
873 Compressor Station Fuel and Power 658.00 658.00
874 Mains and Service Expenses 920,445.62 994,845.39 885,019.64 951,386.38 35,425.98 43,459.01
875 Measuring and Regulating Station Expenses 252,317.51 230,298.90 244,670.42 219,122.45 7,647.09 11,176.45
878 Meter and House Regulator Expenses 314,597.42 319,910.27 240,092.82 290,755.30 74,504.60 29,154.97
879 Customer Installations Expenses 247,032.73 349,790.32 236,404.92 335,517.20 10,627.81 14,273.12
880 Other Expenses 1,324,821.06 727,447.35 1,194,568.49 658,626.43 130,252.57 68,820.92
881 Rents 1,753.37 3,172.07 1,697.24 3,070.88 56.13 101.19
3,544,442.10 4,107,031.61 3,249,155.82 3,851,293.28 295,286.28 255,738.33
885 Maintenance Supervision and Engineering 42,831.08 41,586.46 1,244.62
886 Maintenance of Structures & Improvements 11,210.76 10,880.62 330.14
887 Maintenance of Mains 688,920.85 716,030.69 687,512.19 699,562.79 1,408.66 16,467.90
888 Maintenance of Compressor Station Equip.98,055.71 35,478.02 94,927.73 33,495.21 3,127.98 1,982.81
889 Maintenance of Meas. & Reg. Station Equip.2,166.50 8,492.21 2,101.47 3,724.46 65.03 4,767.75
892 Maintenance of Services 117,160.43 32,560.11 115,573.18 25,827.06 1,587.25 6,733.05
893 Maintenance of Meters and House Regulators 15,246.70 54,374.32 57,895.00 54,603.20 (42,648.30)(228.88)921,550.19 900,977.19 958,009.57 869,679.80 (36,459.38)31,297.39
4,465,992.29 5,008,008.80 4,207,165.39 4,720,973.08 258,826.90 287,035.72
This Year Last Year This Year Last Year This Year Last Year
870 Operation Supervision and Engineering 6,775,549.98 11,773,632.68 6,305,722.69 11,130,355.12 469,827.29 643,277.56
871 Distribution Load Dispatching 1,581,630.75 1,910,802.63 1,535,693.92 1,879,996.22 45,936.83 30,806.41
873 Compressor Station Fuel and Power 14,233.00 14,233.00
874 Mains and Service Expenses 13,828,311.76 12,729,948.78 13,209,589.35 12,278,206.64 618,722.41 451,742.14
875 Measuring and Regulating Station Expenses 2,820,626.83 2,344,057.75 2,735,772.68 2,204,987.88 84,854.15 139,069.87
878 Meter and House Regulator Expenses 3,197,911.43 2,939,686.12 2,862,576.65 2,725,264.35 335,334.78 214,421.77
879 Customer Installations Expenses 2,498,167.01 3,078,926.48 2,390,883.58 2,960,079.40 107,283.43 118,847.08
880 Other Expenses 14,773,823.32 8,566,647.53 13,799,506.06 7,913,746.81 973,956.86 652,900.72
881 Rents 18,721.03 44,124.84 18,124.17 42,721.05 596.86 1,403.79
45,494,742.11 43,402,059.81 42,857,869.10 41,149,590.47 2,636,512.61 2,252,469.34
885 Maintenance Supervision and Engineering 558,429.41 542,083.93 16,345.48
886 Maintenance of Structures & Improvements 91,276.27 88,322.18 2,954.09
887 Maintenance of Mains 8,317,004.63 8,535,403.66 8,284,448.98 8,401,730.84 32,555.65 133,672.82
888 Maintenance of Compressor Station Equip.1,147,794.75 1,075,531.57 1,111,180.10 973,056.72 36,614.65 102,474.85
889 Maintenance of Meas. & Reg. Station Equip.22,664.28 170,816.92 22,001.44 89,094.40 662.84 81,722.52
892 Maintenance of Services 1,266,854.76 544,685.49 1,212,218.00 472,098.05 54,636.76 72,587.44
893 Maintenance of Meters and House Regulators 752,603.89 571,681.00 723,207.35 569,715.02 29,396.54 1,965.98
11,506,922.31 11,547,824.32 11,353,055.87 11,136,101.14 153,866.44 411,723.18
57,001,664.42 54,949,884.13 54,210,924.97 52,285,691.61 2,790,379.05 2,664,192.52
12 Months Ending December 2018
This Year Last Year This Year Last Year This Year Last Year
870 Operation Supervision and Engineering 6,775,549.98 11,773,632.68 6,305,722.69 11,130,355.12 469,827.29 643,277.56
871 Distribution Load Dispatching 1,581,630.75 1,910,802.63 1,535,693.92 1,879,996.22 45,936.83 30,806.41
873 Compressor Station Fuel and Power 14,233.00 14,233.00
874 Mains and Service Expenses 13,828,311.76 12,729,948.78 13,209,589.35 12,278,206.64 618,722.41 451,742.14
875 Measuring and Regulating Station Expenses 2,820,626.83 2,344,057.75 2,735,772.68 2,204,987.88 84,854.15 139,069.87
878 Meter and House Regulator Expenses 3,197,911.43 2,939,686.12 2,862,576.65 2,725,264.35 335,334.78 214,421.77
879 Customer Installations Expenses 2,498,167.01 3,078,926.48 2,390,883.58 2,960,079.40 107,283.43 118,847.08
880 Other Expenses 14,773,823.32 8,566,647.53 13,799,506.06 7,913,746.81 973,956.86 652,900.72
881 Rents 18,721.03 44,124.84 18,124.17 42,721.05 596.86 1,403.79
45,494,742.11 43,402,059.81 42,857,869.10 41,149,590.47 2,636,512.61 2,252,469.34
885 Maintenance Supervision and Engineering 558,429.41 542,083.93 16,345.48
886 Maintenance of Structures & Improvements 91,276.27 88,322.18 2,954.09
887 Maintenance of Mains 8,317,004.63 8,535,403.66 8,284,448.98 8,401,730.84 32,555.65 133,672.82
888 Maintenance of Compressor Station Equip.1,147,794.75 1,075,531.57 1,111,180.10 973,056.72 36,614.65 102,474.85
889 Maintenance of Meas. & Reg. Station Equip.22,664.28 170,816.92 22,001.44 89,094.40 662.84 81,722.52
892 Maintenance of Services 1,266,854.76 544,685.49 1,212,218.00 472,098.05 54,636.76 72,587.44
893 Maintenance of Meters and House Regulators 752,603.89 571,681.00 723,207.35 569,715.02 29,396.54 1,965.98
11,506,922.31 11,547,824.32 11,353,055.87 11,136,101.14 153,866.44 411,723.18
57,001,664.42 54,949,884.13 54,210,924.97 52,285,691.61 2,790,379.05 2,664,192.52
Page 23
Account Total Utah Distribution Wyoming Distribution
Operation
Total Operation
Maintenance
Total Maintenance
Total Distribution Expenses

Account Total Utah Distribution Wyoming Distribution
Operation
Total Operation
Maintenance
Total Maintenance
Total Distribution Expenses

Account Total Utah Distribution Wyoming Distribution
Operation
Total Operation
Maintenance
Total Maintenance
Total Distribution Expenses

Questar Gas Company
Customer Accounts Expense - Customer Service & Information Expense December 2018
This Year Last Year This Year Last Year This Year Last Year
901 Supervision 44,934.96 152,458.16 43,672.72 148,811.42 1,262.24 3,646.74
902 Meter Reading Expense 113,843.78 149,636.62 110,356.41 144,459.84 3,487.37 5,176.78
903001 Customer Records Expense 636,702.18 1,288,425.72 624,769.57 1,232,635.08 11,932.61 55,790.64
903002 Collection Expense 173,410.15 116,986.46 169,325.73 111,771.41 4,084.42 5,215.05
903003 Interest Expense/Cust Security Deposits 17,505.79 17,133.96 371.83
904 Uncollectible Accounts (131,443.16)(14,493.31)(125,362.56)(11,070.55)(6,080.60)(3,422.76)
837,447.91 1,710,519.44 822,761.87 1,643,741.16 14,686.04 66,778.28
907 Supervision 32,786.42 32,710.03 31,887.77 31,903.22 898.65 806.81
908 Customer Assistance Expense 4,941,366.35 4,127,598.32 4,894,036.68 4,096,705.77 47,329.67 30,892.55
909 Info and Instructional Advertising Expense 4,183.23 (68,856.94)3,493.12 (67,346.25)690.11 (1,510.69)
4,978,336.00 4,091,451.41 4,929,417.57 4,061,262.74 48,918.43 30,188.67
5,815,783.91 5,801,970.85 5,752,179.44 5,705,003.90 63,604.47 96,966.95
This Year Last Year This Year Last Year This Year Last Year
901 Supervision 553,619.77 1,147,175.09 538,057.92 1,123,201.22 15,561.85 23,973.87
902 Meter Reading Expense 1,372,884.02 1,998,374.38 1,329,946.08 1,931,571.41 42,937.94 66,802.97
903001 Customer Records Expense 7,682,002.55 13,713,331.68 7,460,805.24 13,163,140.24 221,197.31 550,191.44
903002 Collection Expense 2,567,666.73 173,815.87 2,461,177.54 139,298.02 106,489.19 34,517.85
903003 Interest Expense/Cust Security Deposits 278,863.18 273,728.07 5,135.11
904 Uncollectible Accounts 1,651,763.47 1,774,019.77 1,597,271.71 1,710,218.57 54,491.76 63,801.20
13,827,936.54 19,085,579.97 13,387,258.49 18,341,157.53 440,678.05 744,422.44
907 Supervision 321,972.92 379,985.64 313,306.83 370,305.81 8,666.09 9,679.83
908 Customer Assistance Expense 26,101,820.03 23,507,132.38 25,858,903.25 23,269,929.85 242,916.78 237,202.53
909 Info and Instructional Advertising Expense 820,280.24 766,007.20 812,183.41 745,487.52 8,096.83 20,519.68
27,244,073.19 24,653,125.22 26,984,393.49 24,385,723.18 259,679.70 267,402.04
41,072,009.73 43,738,705.19 40,371,651.98 42,726,880.71 700,357.75 1,011,824.48
This Year Last Year This Year Last Year This Year Last Year
901 Supervision 553,619.77 1,147,175.09 538,057.92 1,123,201.22 15,561.85 23,973.87
902 Meter Reading Expense 1,372,884.02 1,998,374.38 1,329,946.08 1,931,571.41 42,937.94 66,802.97
903001 Customer Records Expense 7,682,002.55 13,713,331.68 7,460,805.24 13,163,140.24 221,197.31 550,191.44
903002 Collection Expense 2,567,666.73 173,815.87 2,461,177.54 139,298.02 106,489.19 34,517.85
903003 Interest Expense/Cust Security Deposits 278,863.18 273,728.07 5,135.11
904 Uncollectible Accounts 1,651,763.47 1,774,019.77 1,597,271.71 1,710,218.57 54,491.76 63,801.20
13,827,936.54 19,085,579.97 13,387,258.49 18,341,157.53 440,678.05 744,422.44
907 Supervision 321,972.92 379,985.64 313,306.83 370,305.81 8,666.09 9,679.83
908 Customer Assistance Expense 26,101,820.03 23,507,132.38 25,858,903.25 23,269,929.85 242,916.78 237,202.53
909 Info and Instructional Advertising Expense 820,280.24 766,007.20 812,183.41 745,487.52 8,096.83 20,519.68
27,244,073.19 24,653,125.22 26,984,393.49 24,385,723.18 259,679.70 267,402.04
41,072,009.73 43,738,705.19 40,371,651.98 42,726,880.71 700,357.75 1,011,824.48
Page 24

Account Total Utah Distribution Wyoming Distribution
Customer Accounts Expense
Total Customer Accounts Expense
Customer Service & Information Expense
Total Customer Service & Information Expense
Total Customer Accts - Customer Serv & Info Expense

Account Total Utah Distribution Wyoming Distribution
Customer Accounts Expense
Total Customer Accounts Expense
Customer Service & Information Expense
Total Customer Service & Information Expense
Total Customer Accts - Customer Serv & Info Expense

Questar Gas Company
ADMINISTRATIVE AND GENERAL EXPENSES December 2018
This Year Last Year This Year Last Year This Year Last Year
920 Admin & General Salaries 786,122.35 492,019.66 747,791.31 508,127.09 38,331.04 (16,107.43)
921 Office Supplies & Expenses (388,112.53)2,999,924.71 (387,877.46)2,899,139.91 (235.07)100,784.80
922 Administrative Expense Transferred (525,436.40)(377,285.39)(508,674.99)(365,249.99)(16,761.41)(12,035.40)
923 Outside Services 3,127,323.61 363,861.88 3,020,541.99 346,826.51 106,781.62 17,035.37
924 Property Insurance 19,285.25 45,813.03 18,670.05 44,351.60 615.20 1,461.43
925 Injuries and Damages 143,680.80 1,328.01 139,097.38 1,432.36 4,583.42 (104.35)
926 Pensions and Benefits (108,484.27)12,436.84 (102,133.53)13,413.29 (6,350.74)(976.45)
930-2 Miscellaneous General Expenses 581,728.32 216,632.77 568,530.18 213,926.74 13,198.14 2,706.03
931 Rents 20,319.42 77,757.55 7,740.00 75,291.12 12,579.42 2,466.43
932 Maintenance of General Plant 215,540.40 214,620.23 920.17
3,871,966.95 3,832,489.06 3,718,305.16 3,737,258.63 153,661.79 95,230.43
This Year Last Year This Year Last Year This Year Last Year
920 Admin & General Salaries 1,097,075.25 4,522,727.55 916,270.02 4,406,724.58 180,805.23 116,002.97
921 Office Supplies & Expenses 3,151,107.18 34,182,730.44 2,911,020.85 32,693,295.83 240,086.33 1,489,434.61
922 Administrative Expense Transferred (9,391,381.54)(3,928,139.45)(9,091,796.48)(3,802,906.89)(299,585.06)(125,232.56)
923 Outside Services 37,477,588.66 1,399,657.10 36,113,776.82 1,318,004.83 1,363,811.84 81,652.27
924 Property Insurance 181,401.90 314,647.43 175,615.20 304,598.00 5,786.70 10,049.43
925 Injuries and Damages 1,669,385.48 11,740.86 1,618,336.76 11,516.19 51,048.72 224.67
926 Pensions and Benefits 4,832,323.39 167,390.68 4,592,532.23 162,902.46 239,791.16 4,488.22
930-2 Miscellaneous General Expenses 6,077,988.03 2,104,691.91 5,945,862.82 2,062,151.78 132,125.21 42,540.13
931 Rents 281,954.61 877,386.56 129,947.76 849,584.08 152,006.85 27,802.48
932 Maintenance of General Plant 4,117,106.37 3,960,355.74 156,750.63
49,494,549.33 39,652,833.08 47,271,921.72 38,005,870.86 2,222,627.61 1,646,962.22
This Year Last Year This Year Last Year This Year Last Year
920 Admin & General Salaries 1,097,075.25 4,522,727.55 916,270.02 4,406,724.58 180,805.23 116,002.97
921 Office Supplies & Expenses 3,151,107.18 34,182,730.44 2,911,020.85 32,693,295.83 240,086.33 1,489,434.61
922 Administrative Expense Transferred (9,391,381.54)(3,928,139.45)(9,091,796.48)(3,802,906.89)(299,585.06)(125,232.56)
923 Outside Services 37,477,588.66 1,399,657.10 36,113,776.82 1,318,004.83 1,363,811.84 81,652.27
924 Property Insurance 181,401.90 314,647.43 175,615.20 304,598.00 5,786.70 10,049.43
925 Injuries and Damages 1,669,385.48 11,740.86 1,618,336.76 11,516.19 51,048.72 224.67
926 Pensions and Benefits 4,832,323.39 167,390.68 4,592,532.23 162,902.46 239,791.16 4,488.22
930-2 Miscellaneous General Expenses 6,077,988.03 2,104,691.91 5,945,862.82 2,062,151.78 132,125.21 42,540.13
931 Rents 281,954.61 877,386.56 129,947.76 849,584.08 152,006.85 27,802.48
932 Maintenance of General Plant 4,117,106.37 3,960,355.74 156,750.63
49,494,549.33 39,652,833.08 47,271,921.72 38,005,870.86 2,222,627.61 1,646,962.22
Page 25
Account Total Utah Distribution Wyoming Distribution
Total Administrative & General Expenses

Account Total Utah Distribution Wyoming Distribution
Total Administrative & General Expenses

Total Administrative & General Expenses

Account Total Utah Distribution Wyoming Distribution
Questar Gas Company
Balance Sheet December 2019
Amount Month Twelve Months
101 General Plant 3,076,379,135.30 (7,604,814.00)73,202,807.68
101-ARC General Plant ARC 70,999,631.02 (1,400,203.47)(1,400,203.47)
106 Completed Construction Not Classified - Gas 158,807,072.53 24,638,733.75 68,232,057.46
107 Construction Work in Progress - Gas 95,632,808.03 12,238,512.84 26,536,690.56
108 Accum Prov for Depreciation of Gas Plant in Service (810,762,863.08)(9,127,315.88)(16,884,451.33)
111 Accum Prov for Amortization of Gas Plant in Service (6,225,612.91)177.34
114 Gas Plant Acquisition Adjustments 6,644,450.15
115 Accum Prov for Amortization of Gas Plant Acquisition Adjustm (992,000.05)
2,590,482,620.99 18,744,913.24 149,687,078.24
131 Cash 9,077,674.93 7,479,289.81 2,521,649.54
135 Working Funds 67,266.50
142 Customer A/R 159,885,774.86 40,350,783.60 12,758,183.44
143.1 Accounts Receivable - Other 6,416,367.65 4,308,666.70 1,629,097.45
144 Accum. Provision for Bad Debt (1,414,300.12)339,240.26 (72,289.59)
146 Accounts Rec. from Affiliates 46,033.93 (10,904,662.20)(45,739.30)
154 Plant Materials and Operating Supplies 23,474,956.05 (1,796,200.10)703,606.79
164 Gas Stored Underground 45,965,722.86 (9,563,028.30)1,797,948.38
165 Prepaid Expenses 3,029,675.98 255,395.76 (63,352.19)
174 Misc. Current & Accrued Assets 2,817,966.64 (969,776.49)(6,505,687.57)
176 Derivatives 1,055,196.37 (502,329.92)(3,057,293.43)
250,422,335.65 28,997,379.12 9,666,123.52
181 Unamortized Debt Expense 4,479,683.26 (20,886.25)(245,372.39)
1823 Other Regulatory Assets 13,758,256.72 1,347,660.42 1,097,223.96
182400 Reg Asset - DSM Programs - UT 33,932.36 (3,056,473.78)(2,900,491.80)
182401 Reg Asset - DSM Programs - WY 105,175.76 (16,868.19)(125,467.02)
186 Misc. Deferred Debits 117,167,054.03 644,512.17 4,325,616.12
189 Unamort Loss on Reacq Debt 1,761,873.27 (41,827.42)(482,287.37)
190008 Accum Defer Tax - Federal 29,812,510.58 (662,342.45)(3,023,860.57)
190009 Accum Defer Tax - State 6,568,502.72 (582,591.19)(1,222,157.76)
191000 Unrecovered Purchased Gas Costs - Utah/Wyoming 46,944,577.13 (13,606,257.04)43,926,994.26
191800 Utah/Idaho Low Income Credit/Charge 39,952.63 146,254.60 57,931.01
191900 Utah/Idaho CET Balancing 560,324.19 38,764.70 7,548,997.71
191901 Wyoming CET Balancing 209,152.44 (159,713.97)158,131.17
221,440,995.09 (15,969,768.40)49,115,257.32
3,062,345,951.73 31,772,523.96 208,468,459.08
201 Common Stock Issued 22,974,065.00
207 Premium on Common Stock 272,445,462.83
211 Miscellaneous Paid-In Capital 203,257,106.87
216 Unappropriated Ret. Earnings 606,930,109.87 34,391,528.42 93,798,477.70
1,105,606,744.57 34,391,528.42 93,798,477.70
224 Long Term Notes 750,000,000.00
230 Asset Retire Obligation 81,293,044.20 (829,102.63)2,119,004.72
831,293,044.20 (829,102.63)2,119,004.72
227 Obligations under Capital Lease – NonCurr 71,445.71 271.49 71,445.71
228200 Accumulated Provision for Injuries and Damages 228,000.00 115,000.00 (386,100.00)
228300 Accumulated Provision for Pensions & Benefits 4,557,605.00 (89,772.00)(151,895.00)
252 Misc Customer Credits 0.00 (2,640,375.72)
253 Other Deferred Credits - 253-1 Uncl.14,306,277.59 (809,676.50)(1,296,559.36)
254000 Other Regulatory Liabilities 671,274.54 (389,109.42)(3,271,934.90)
254001 Regulatory Liability Tax Reform 243,185,316.40 (980,455.01)(3,774,496.66)
254019 Reg Liability-Def Tax PGA/EEP 1,116,805.36
254020 Oth Reg Liab-EDIT Amortization 5,324,993.87 (1,340,359.16)41,501.36
254021 Oth Reg Liab-Plant Removal 167,189,897.09 (4,668,501.42)(3,701,864.54)
254024 Oth Reg Liab-Plant ARO 28,999,002.82 1,602,167.31 (2,518,742.33)
254025 Oth Reg Liab-COS Tax Gross Up 0.00 (6,648,592.57)
465,650,618.38 (6,560,434.71)(24,277,614.01)
232 Accounts Payable - General 101,780,736.23 (10,495,782.75)(9,940,540.01)
233 Notes Payable to Affiliates 131,767,000.00 2,768,000.00 111,261,962.00
234 Accounts Payable to Affiliates 52,323,652.88 18,999,185.73 10,811,700.41
235 Customer Deposits 4,436,311.10 22,482.52 (1,315,509.22)
236 Taxes Accrued (994,266.44)(9,487,210.10)1,813,529.78
237 Interest Accrued 6,455,416.67 831,250.01 0.00
241 Tax Collections Payable 14,087,447.83 2,823,229.13 (2,054,513.06)
242002 Miscellaneous Current & Accrued Liabilities 9,525,805.36 5,381,188.10 5,761,940.45
243 Obligations under Capital Lease – Curr 31,749.83 53.24 31,749.83
245 Derivative Liability 50,925.60 32,488.50 39,248.38
319,464,779.06 10,874,884.38 116,409,568.56
282000 Deferred Taxes-Federal 269,297,939.64 1,654,324.09 10,579,147.61
282100 Deferred Taxes-State 59,303,186.71 (3,539,161.21)(2,081,078.23)
283 Deferred Taxes- Purchase Gas Adjustment 11,729,639.17 (4,219,514.38)11,920,952.73
340,330,765.52 (6,104,351.50)20,419,022.11
3,062,345,951.73 31,772,523.96 208,468,459.08
Page 1
Misc. Long Term Liab. & Deferred Credits
Current and Accrued Liabilities
Deferred Income Taxes
Liabilities and Other Credits

Net Deferred Debits
Assets and Other Debits
Liabilities and Other Credits
Proprietary Capital
Long-Term Debt
Increase or Decrease
Assets and Other Debits
Net Gas Plant
Net Current and Accrued Assets
Questar Gas Company
Balance Sheet December 2019
Total General Production Utah Distribution Wyoming Distribution
101 General Plant 3,076,379,135.30 260,732,242.74 79,968,136.00 2,640,116,350.00 95,562,406.56
101-ARC General Plant ARC 70,999,631.02 (70,159.60)71,420,935.77 (351,145.15)
106 Completed Construction Not Classified - Gas 158,807,072.53 1,564,283.99 156,052,868.60 1,189,919.94
107 Construction Work in Progress - Gas 95,632,808.03 26,891,306.12 67,989,743.27 751,758.64
108 Accum Prov for Depreciation of Gas Plant in Service (810,762,863.08)(129,849,084.92)(70,574,362.03)(580,233,961.43)(30,105,454.70)
111 Accum Prov for Amortization of Gas Plant in Service (6,225,612.91)(5,710.28)(6,150,276.66)(58,742.89)(10,883.08)
114 Gas Plant Acquisition Adjustments 6,644,450.15 0.00 6,644,450.15
115 Accum Prov for Amortization of Gas Plant Acquisition Adjustm (992,000.05)0.00 (992,000.05)
131 Cash 9,077,674.93 9,077,674.93
135 Working Funds 67,266.50 0.00 64,575.00 2,691.50
142 Customer A/R 159,885,774.86 560,251.02 156,388,052.51 2,937,471.33
143.1 Accounts Receivable - Other 6,416,367.65 6,416,367.65 0.00 0.00
144 Accum. Provision for Bad Debt (1,414,300.12)0.00 (1,369,750.92)(44,549.20)
146 Accounts Rec. from Affiliates 46,033.93 46,033.93 0.00
154 Plant Materials and Operating Supplies 23,474,956.05 23,474,956.05
164 Gas Stored Underground 45,965,722.86 0.00 45,965,722.86
165 Prepaid Expenses 3,029,675.98 3,029,675.98 0.00
174 Misc. Current & Accrued Assets 2,817,966.64 2,817,966.64 0.00 0.00
176 Derivatives 1,055,196.37 1,055,196.37
181 Unamortized Debt Expense 4,479,683.26 4,479,683.26
1823 Other Regulatory Assets 13,758,256.72 13,758,256.72 0.00
182400 Reg Asset - DSM Programs - UT 33,932.36 0.00 33,932.36 0.00
182401 Reg Asset - DSM Programs - WY 105,175.76 0.00 105,175.76
186 Misc. Deferred Debits 117,167,054.03 117,167,054.03 0.00
189 Unamort Loss on Reacq Debt 1,761,873.27 1,761,873.27
190008 Accum Defer Tax - Federal 29,812,510.58 29,812,510.58
190009 Accum Defer Tax - State 6,568,502.72 6,568,502.72
191000 Unrecovered Purchased Gas Costs - Utah/Wyoming 46,944,577.13 0.00 46,533,475.88 411,101.25
191800 Utah/Idaho Low Income Credit/Charge 39,952.63 0.00 39,952.63
191900 Utah/Idaho CET Balancing 560,324.19 0.00 560,324.19
191901 Wyoming CET Balancing 209,152.44 0.00 209,152.44
3,062,345,951.73 355,650,472.15 49,372,673.17 2,586,665,161.12 70,657,645.29
201 Common Stock Issued 22,974,065.00 22,974,065.00
207 Premium on Common Stock 272,445,462.83 272,445,462.83
211 Miscellaneous Paid-In Capital 203,257,106.87 203,257,106.87
216 Unappropriated Ret. Earnings 606,930,109.87 606,930,109.87
224 Long Term Notes 750,000,000.00 750,000,000.00
230 Asset Retire Obligation 81,293,044.20 81,293,044.20 0.00 0.00
227 Obligations under Capital Lease – NonCurr 71,445.71 71,445.71
228200 Accumulated Provision for Injuries and Damages 228,000.00 228,000.00
228300 Accumulated Provision for Pensions & Benefits 4,557,605.00 4,557,605.00
253 Other Deferred Credits - 253-1 Uncl.14,306,277.59 14,227,919.48 0.00 76,489.56 1,868.55
254000 Other Regulatory Liabilities 671,274.54 (431,763.41)928,340.86 174,697.09
254001 Regulatory Liability Tax Reform 243,185,316.40 243,185,316.40 0.00 0.00
254019 Reg Liability-Def Tax PGA/EEP 1,116,805.36 1,116,805.36 0.00 0.00
254020 Oth Reg Liab-EDIT Amortization 5,324,993.87 5,076,704.47 248,289.40
254021 Oth Reg Liab-Plant Removal 167,189,897.09 0.00 161,601,713.38 5,588,183.71
254024 Oth Reg Liab-Plant ARO 28,999,002.82 0.00 28,041,677.53 957,325.29
232 Accounts Payable - General 101,780,736.23 101,780,736.23 0.00 0.00 0.00
233 Notes Payable to Affiliates 131,767,000.00 131,767,000.00
234 Accounts Payable to Affiliates 52,323,652.88 52,323,652.88
235 Customer Deposits 4,436,311.10 0.00 4,271,519.21 164,791.89
236 Taxes Accrued (994,266.44)(1,247,400.06)51,404.82 201,728.80
237 Interest Accrued 6,455,416.67 6,455,416.67
241 Tax Collections Payable 14,087,447.83 (52,594,423.08)65,481,421.20 1,200,449.71
242002 Miscellaneous Current & Accrued Liabilities 9,525,805.36 9,525,805.36 0.00 0.00
243 Obligations under Capital Lease – Curr 31,749.83 31,749.83
245 Derivative Liability 50,925.60 50,925.60
282000 Deferred Taxes-Federal 269,297,939.64 (12,292,345.17)15,543,576.64 257,559,818.18 8,486,889.99
282100 Deferred Taxes-State 59,303,186.71 (5,468,760.94)700,755.31 64,071,192.34
283 Deferred Taxes- Purchase Gas Adjustment 11,729,639.17 0.00 11,729,639.17
3,062,345,951.73 2,430,187,474.63 27,973,971.12 587,160,281.55 17,024,224.43
Page 2
Current and Accrued Liabilities
Deferred Income Taxes
Liabilities and Other Credits

Assets and Other Debits
Liabilities and Other CreditsProprietary Capital
Long-Term Debt
Misc. Long Term Liab. & Deferred Credits
Assets and Other Debits
Net Gas Plant
Net Current and Accrued Assets
Net Deferred Debits
Questar Gas Company
Detail of Plant
101 Gas Plant in Service Total General Production Utah Distribution Wyoming Distribution
Intangible Plant
302 Dist. Plant Franchise & Consnt 69,625.96 58,742.88 10,883.08
325 Land and Land Rights 6,266,764.34 6,266,764.34
329 Other Structures - Gas 1,437,704.34 1,437,704.34
330 Well Construction - Gas 52,175,293.81 52,175,293.81
331 Gas Wells - Equipment 17,216,356.05 17,216,356.05
334 Field Measure and Reg-Sta Equp 2,693,816.12 2,693,816.12
336 Purification Equipment - Other 57,014.71 57,014.71
337 Other Equipment - GAS 121,186.63 121,186.63 Natural Gas Prod & Gath Plant - Total 79,968,136.00 - 79,968,136.00 - -
374 Land 21,991,853.76 21,540,535.72 451,318.04
375 Structures & Improve - Struct 17,738,653.72 16,428,468.45 1,310,185.27
376 Distribution Plant 1,727,084,955.51 1,674,037,201.54 53,047,753.97
377 Compressor Station Equipment 15,119,834.44 15,119,834.44 -
378 Measuring & Reg Station Equip 120,907,856.85 112,896,861.33 8,010,995.52
380 Services 440,801,621.67 420,177,779.37 20,623,842.30
382 Meters 375,045,974.41 364,641,977.30 10,403,997.11
384 House Regulators Dist Plant 14,648,355.82 14,208,303.55 440,052.27
387 Other Equipment 2,365,314.45 2,162,825.66 202,488.79
388 Asset Retire Costs - Dist 70,974,500.64 70,264,755.58 709,745.06 Distribution Plant - Total 2,806,678,921.27 - - 2,711,478,542.94 95,200,378.33
389 General Plant - Land 3,919,957.18 3,908,373.16 11,584.02
390 Structures and Improvements 100,186,296.80 51,076,999.94 43,318,160.09 5,791,136.77
391 Office Furniture and Equipment 47,104,846.76 38,443,848.61 8,547,813.40 113,184.75
392 Transportation Equipment 45,380,701.44 43,090,552.95 2,290,148.49
393 Stores Equipment 64,859.20 52,487.31 12,371.89
394 Tools, Shop & Garage Equipment 31,296,585.49 28,965,678.68 2,330,906.81
395 Laboratory Equipment 7,047.91 7,047.91
396 Power Operated Equipment 16,537,019.62 15,192,886.72 1,344,132.90
397 Communication Equipment 15,059,420.28 11,950,515.97 3,108,904.31
398 Miscellaneous Equipment 1,080,218.06 1,069,724.66 10,493.40
399 Asset Retire Costs - General 25,130.40 25,130.40 -
General Plant - Total 260,662,083.14 89,520,848.55 - 156,128,371.25 15,012,863.34
101 Total - Gas Plant in Service 3,147,378,766.37 89,520,848.55 79,968,136.00 2,867,665,657.07 110,224,124.75
105 Gas Plant Held for Future Use - -
106 Completed Construction Not Classified - Gas 158,807,072.53 1,564,283.99 156,052,868.60 1,189,919.94
107 Construction Work in Progress - Gas 95,632,808.03 26,891,306.12 67,989,743.27 751,758.64
114 Gas Plant Acquisition Adjustments 6,644,450.15 6,644,450.15
Total Plant 261,084,330.71 28,455,590.11 - 230,687,062.02 1,941,678.58
101 Total - Gas Plant in Service 3,408,463,097.08 117,976,438.66 79,968,136.00 3,098,352,719.09 112,165,803.33 Page 4
Questar Gas Company
Detail of Plant Additions and Retirements
101 Gas Plant in Service Balance Additions Retirements Reclass & Tsfrs Adjustments Value to Date
Intangible Plant
302 Dist. Plant Franchise & Consnt 69,625.96 - - - - 69,625.96
325 Land and Land Rights 6,266,764.34 - - - - 6,266,764.34
329 Other Structures - Gas 1,437,704.34 - - - - 1,437,704.34
330 Well Construction - Gas 52,175,293.81 - - - - 52,175,293.81
331 Gas Wells - Equipment 17,216,356.05 - - - - 17,216,356.05
334 Field Measure and Reg-Sta Equp 2,693,816.12 - - - - 2,693,816.12
336 Purification Equipment - Other 57,014.71 - - - - 57,014.71
337 Other Equipment - GAS 121,186.63 - - - - 121,186.63
Natural Gas Prod & Gath Plant - Total 79,968,136.00 - - - - 79,968,136.00
374 Land 21,991,853.76 - - - - 21,991,853.76
375 Structures & Improve - Struct 17,179,817.89 558,835.83 - - - 17,738,653.72
376 Distribution Plant 1,726,251,319.84 1,042,414.92 (208,779.25) - - 1,727,084,955.51
377 Compressor Station Equipment 15,119,834.44 - - - - 15,119,834.44
378 Measuring & Reg Station Equip 120,091,345.76 816,511.09 - - - 120,907,856.85
380 Services 440,832,494.03 - (30,872.36) - - 440,801,621.67
382 Meter Installations Distr Plnt 384,385,792.05 19,689.19 (4,923,963.79) - (4,435,543.04) 375,045,974.41
384 Regulator Install Distr Plant 14,648,355.82 - - - - 14,648,355.82
387 Other Equipment 2,362,540.02 2,774.43 - - - 2,365,314.45
388 Asset Retire Costs - Dist 72,374,704.11 105,205.61 (1,505,409.08) - - 70,974,500.64
Distribution Plant - Total 2,815,238,057.72 2,545,431.07 (6,669,024.48) - (4,435,543.04) 2,806,678,921.27
389 General Plant - Land 3,919,957.18 - - - - 3,919,957.18
390 Structures and Improvements 99,648,381.77 537,915.03 - - - 100,186,296.80
391 Office Furniture and Equipment 48,544,866.71 (3,962.24) (1,436,057.71) - - 47,104,846.76
392 Transportation Equipment 45,587,721.44 131,424.24 (338,444.24) - - 45,380,701.44
393 Stores Equipment 64,859.20 - - - - 64,859.20
394 Tools, Shop & Garage Equipment 31,296,155.57 429.92 - - - 31,296,585.49
395 Laboratory Equipment 7,047.91 - - - - 7,047.91
396 Power Operated Equipment 16,246,600.79 290,418.83 - - 16,537,019.62
397 Communication Equipment 15,059,420.28 - - - - 15,059,420.28
398 Miscellaneous Equipment 707,822.87 372,395.19 - - - 1,080,218.06
399 Asset Retire Costs - General 25,130.40 - - - 25,130.40
General Plant - Total 261,107,964.12 1,328,620.97 (1,774,501.95) - - 260,662,083.14
101 Total - Gas Plant in Service 3,156,383,783.80 3,874,052.04 (8,443,526.43) - (4,435,543.04) 3,147,378,766.37
105 Gas Plant Held for Future Use - -
106 Completed Construction Not Classified 134,168,338.78 24,638,733.75 158,807,072.53
107 Construction WIP 83,394,295.19 28,562,517.55 (24,638,733.75) 8,314,729.04 95,632,808.03
Work Orders Closed to Plant - (1,530,497.15) 1,530,497.15 -
114 Gas Plant Acquisition Adjustment 6,644,450.15 6,644,450.15
Misc - Total 224,207,084.12 27,032,020.40 - - 9,845,226.19 261,084,330.71
Total 3,380,590,867.92 30,906,072.44 (8,443,526.43) - 5,409,683.15 3,408,463,097.08
Page 5
Questar Gas Company
Detail of Plant Additions and Retirements
101 Gas Plant in Service Balance Additions Retirements Reclass & Tsfrs Adjustments Value to Date
Intangible Plant
302 Dist. Plant Franchise & Consnt 69,625.96 - - - - 69,625.96
325 Land and Land Rights 6,266,764.34 - - - - 6,266,764.34
329 Other Structures - Gas 1,437,704.34 - - - - 1,437,704.34
330 Well Construction - Gas 52,175,293.81 - - - - 52,175,293.81
331 Gas Wells - Equipment 17,216,356.05 - - - - 17,216,356.05
334 Field Measure and Reg-Sta Equp 2,693,816.12 - - - - 2,693,816.12
336 Purification Equipment - Other 57,014.71 - - - - 57,014.71
337 Other Equipment - GAS 121,186.63 - - - - 121,186.63
Natural Gas Prod & Gath Plant - Total 79,968,136.00 - - - - 79,968,136.00
374 Land 20,473,046.80 1,518,806.96 - - - 21,991,853.76
375 Structures & Improve - Struct 17,155,490.88 583,162.84 - - - 17,738,653.72
376 Distribution Plant 1,653,321,372.96 75,674,995.51 (1,911,412.96) - - 1,727,084,955.51
377 Compressor Station Equipment 14,446,634.20 673,200.24 - - - 15,119,834.44
378 Measuring & Reg Station Equip 112,971,064.58 8,061,502.09 (124,709.82) - - 120,907,856.85
380 Services 432,868,408.68 8,160,523.94 (227,310.95) - - 440,801,621.67
382 Meter Installations Distr Plnt 393,017,669.46 16,024,022.90 (29,560,174.91) 8,997,317.63 (13,432,860.67) 375,045,974.41
384 Regulator Install Distr Plant 14,648,355.82 - - - - 14,648,355.82
387 Other Equipment 2,167,754.10 198,460.44 (900.09) - - 2,365,314.45
388 Asset Retire Costs - Dist 72,377,355.07 1,617,085.23 (3,017,288.70) - - 70,977,151.60
Distribution Plant - Total 2,733,447,152.55 112,511,760.15 (34,841,797.43) 8,997,317.63 (13,432,860.67) 2,806,681,572.23
389 General Plant - Land 3,787,537.87 132,419.31 - - - 3,919,957.18
390 Structures and Improvements 96,794,571.20 3,391,725.60 - - - 100,186,296.80
391 Office Furniture and Equipment 53,022,869.51 5,399,236.83 (11,317,259.58) - - 47,104,846.76
392 Transportation Equipment 47,339,402.14 3,593,522.96 (3,343,149.88) (2,209,073.78) - 45,380,701.44
393 Stores Equipment 64,859.20 - - - - 64,859.20
394 Tools, Shop & Garage Equipment 32,269,736.23 1,031,798.68 (2,004,949.42) - - 31,296,585.49
395 Laboratory Equipment 61,117.83 - (54,069.92) - - 7,047.91
396 Power Operated Equipment 13,552,411.40 1,144,397.21 (300,460.43) 2,140,671.44 - 16,537,019.62
397 Communication Equipment 14,545,492.35 513,927.93 - - - 15,059,420.28
398 Miscellaneous Equipment 630,770.45 468,914.73 (19,467.12) - - 1,080,218.06
399 Asset Retire Costs - General 22,479.42 - - - - 22,479.42
General Plant - Total 262,091,247.60 15,675,943.25 (17,039,356.35) (68,402.34) - 260,659,432.16
101 Total - Gas Plant in Service 3,075,576,162.11 128,187,703.40 (51,881,153.78) 8,928,915.29 (13,432,860.67) 3,147,378,766.35
105 Gas Plant Held for Future Use - - - - - -
106 Completed Construction Not Classified 90,575,015.07 - - 68,232,057.46 - 158,807,072.53
107 Construction WIP 69,096,117.47 133,854,483.63 - (68,232,057.46) (39,085,735.61) 95,632,808.03
Work Orders Closed to Plant - (41,760,817.10) - - 41,760,817.10 -
114 Gas Plant Acquisition Adjustment 6,644,450.15 - - - - 6,644,450.15
Misc - Total 166,315,582.69 92,093,666.53 - - 2,675,081.49 261,084,330.71
Total 3,241,891,744.80 220,281,369.93 (51,881,153.78) 8,928,915.29 (10,757,779.18) 3,408,463,097.06
Page 6
Questar Gas Company
Comparative Statement of Income and Retained Earnings December 2019
This Year Last Year Increase (Decrease)
400 Operating Revenues 145,984,804.27 142,763,381.01 3,221,423.26
145,984,804.27 142,763,381.01 3,221,423.26
401-G Gas Purchases 82,415,435.99 85,064,164.38 (2,648,728.39)
401-O Operating Expense 12,659,830.24 12,945,068.00 (285,237.76)
402 Maintenance Expense 1,236,175.39 1,137,090.59 99,084.80
403 Depreciation Expense 5,740,140.92 6,411,579.87 (671,438.95)
408 Taxes Other Than Income Taxes 163,778.58 1,267,081.01 (1,103,302.43)
409100 Income Taxes - Federal Util Oper Income 10,076,050.48 8,125,922.20 1,950,128.28
409111 Income Taxes - State Util Oper Income 2,433,269.93 1,928,402.95 504,866.98
410100 Income Taxes - Deferred Federal Tax-Utility (1,253,254.66)(2,369,395.76)1,116,141.10
410111 Income Taxes - Deferred State Tax-Utility (4,586,596.28)(361,786.03)(4,224,810.25)
108,884,830.59 114,148,127.21 (5,263,296.62)
37,099,973.68 28,615,253.80 8,484,719.88
409200 Federal Income Tax - Other Income & Deductions (61,352.12)(34,437.35)(26,914.77)
409211 State Income Tax - Other Income & Deductions (14,453.92)(8,125.39)(6,328.53)
417 Revenue from Nonutility Operations 336,728.08 347,367.45 (10,639.37)
417.1 Expense from Nonutility Operations (369,404.25)(335,299.77)(34,104.48)
419000 Interest and Dividend Income 19,808.04 13,757.68 6,050.36
419100 Allow for Other Funds Used During Construction 63,972.33 63,972.33
420000 Investment Tax Credit 28,629.62 (28,629.62)
421000 Miscellaneous Non-Operating Revenue 250,423.19 279,378.00 (28,954.81)
421100 Gain on Disposition of Property 371,719.19 (371,719.19)
225,721.35 662,989.43 (437,268.08)
411100 Accretion Expense & Other Income Deductions 123,632.89 2,619.61 121,013.28
426 Miscellaneous Income Deductions 4,201.80 544,736.00 (540,534.20)
127,834.69 547,355.61 (419,520.92)
97,886.66 115,633.82 (17,747.16)
427001 Interest on Long-Term Debt 2,653,750.01 2,653,750.01 0.00
428 Amortization of Debt Discount & Expense 62,713.67 58,250.91 4,462.76
430 Interest on Debt to Affiliates 212,245.38 52,516.60 159,728.78
431009 Other Interest Expense (99,141.47)251,537.00 (350,678.47)
432 Allow for Borrowed Funds Used During Const - Cr (23,235.67)(60,416.79)37,181.12
2,806,331.92 2,955,637.73 (149,305.81)
34,391,528.42 25,775,249.89 8,616,278.5334,391,528.42 25,775,249.89 8,616,278.53
Retained Earnings (Beg of Period)572,538,581.45 487,356,382.28 85,182,199.17
433 Balance Transferred from Income 34,391,528.42 25,775,249.89 8,616,278.53
606,930,109.87 513,131,632.17 93,798,477.70
Page 8
Retained Earnings
Retained Earnings (End of Period)

Interest Charges
Total Interest ChargesTotal Income Before Cumulative Effect
Total Net Income

Total Other Income
Other Income Deductions
Total Other Income DeductionsTotal Other Income and Deductions
Interest Charges
Utility Operating Expenses
Total Utility Operating Expenses
Total Net Operating Income
Other Income and DeductionsOther Income
Current Month
Net Operating IncomeUtility Operating Income
Total Utility Operating Income
Questar Gas Company
Comparative Statement of Income and Retained Earnings December 2019
This Year Last Year Increase (Decrease)
400 Operating Revenues 924,169,401.65 912,852,291.58 11,317,110.07
924,169,401.65 912,852,291.58 11,317,110.07
401-G Gas Purchases 514,382,298.87 530,577,923.17 (16,195,624.30)
401-O Operating Expense 148,654,537.90 131,057,307.89 17,597,230.01
402 Maintenance Expense 14,336,283.03 15,624,028.68 (1,287,745.65)
403 Depreciation Expense 75,908,281.73 73,583,714.73 2,324,567.00
404 Amortization and Depletion (177.34)0.00 (177.34)
408 Taxes Other Than Income Taxes 25,949,693.17 24,432,265.30 1,517,427.87
409100 Income Taxes - Federal Util Oper Income 919,133.15 10,173,645.99 (9,254,512.84)
409111 Income Taxes - State Util Oper Income 356,704.58 4,098,821.31 (3,742,116.73)
410100 Income Taxes - Deferred Federal Tax-Utility 20,557,074.65 5,817,653.79 14,739,420.86
410111 Income Taxes - Deferred State Tax-Utility 333,491.01 487,801.35 (154,310.34)
801,397,320.75 795,853,162.21 5,544,158.54
122,772,080.90 116,999,129.37 5,772,951.53
409200 Federal Income Tax - Other Income & Deductions (720,466.90)(760,642.01)40,175.11
409211 State Income Tax - Other Income & Deductions (169,970.15)(179,608.56)9,638.41
417 Revenue from Nonutility Operations 4,811,224.65 4,805,178.40 6,046.25
417.1 Expense from Nonutility Operations (5,048,773.86)(4,930,072.50)(118,701.36)
419000 Interest and Dividend Income 252,284.54 233,757.86 18,526.68
419100 Allow for Other Funds Used During Construction 333,057.82 333,057.82
420000 Investment Tax Credit 28,629.62 (28,629.62)
421000 Miscellaneous Non-Operating Revenue 3,170,029.60 3,456,603.83 (286,574.23)
421100 Gain on Disposition of Property 9,000.00 371,719.19 (362,719.19)
2,636,385.70 3,025,565.83 (389,180.13)
411100 Accretion Expense & Other Income Deductions 124,706.99 (754,263.19)878,970.18
426 Miscellaneous Income Deductions 329,144.54 822,244.88 (493,100.34)
426511 Merger & Restructuring Expense 171,109.07 (171,109.07)
453,851.53 239,090.76 214,760.77
2,182,534.17 2,786,475.07 (603,940.90)
427001 Interest on Long-Term Debt 31,845,000.00 31,995,447.76 (150,447.76)
428 Amortization of Debt Discount & Expense 727,659.76 688,120.10 39,539.66
430 Interest on Debt to Affiliates 640,168.35 622,311.51 17,856.84
431009 Other Interest Expense (1,047,397.14)3,992,267.96 (5,039,665.10)
432 Allow for Borrowed Funds Used During Const - Cr (1,009,293.60)(1,052,892.67)43,599.07
31,156,137.37 36,245,254.66 (5,089,117.29)
93,798,477.70 83,540,349.78 10,258,127.92
93,798,477.70 83,540,349.78 10,258,127.92
Retained Earnings (Beg of Period)513,131,632.17 429,591,282.39 83,540,349.78
433 Balance Transferred from Income 93,798,477.70 83,540,349.78 10,258,127.92
606,930,109.87 513,131,632.17 93,798,477.70
Page 9
Retained Earnings
Retained Earnings (End of Period)

Interest Charges
Total Interest Charges
Total Income Before Cumulative Effect
Total Net Income

Total Other IncomeOther Income Deductions
Total Other Income Deductions
Total Other Income and Deductions
Interest Charges
Utility Operating Expenses
Total Utility Operating ExpensesTotal Net Operating Income
Other Income and Deductions
Other Income
Twelve Months
Questar Gas Company
Comparative Statement of Income and Retained Earnings December 2019
This Year Last Year Increase (Decrease)
400 Operating Revenues 924,169,401.65 912,852,291.58 11,317,110.07
924,169,401.65 912,852,291.58 11,317,110.07
401-G Gas Purchases 514,382,298.87 530,577,923.17 (16,195,624.30)
401-O Operating Expense 148,654,537.90 131,057,307.89 17,597,230.01
402 Maintenance Expense 14,336,283.03 15,624,028.68 (1,287,745.65)
403 Depreciation Expense 75,908,281.73 73,583,714.73 2,324,567.00
404 Amortization and Depletion (177.34)0.00 (177.34)
408 Taxes Other Than Income Taxes 25,949,693.17 24,432,265.30 1,517,427.87
409100 Income Taxes - Federal Util Oper Income 919,133.15 10,173,645.99 (9,254,512.84)
409111 Income Taxes - State Util Oper Income 356,704.58 4,098,821.31 (3,742,116.73)
410100 Income Taxes - Deferred Federal Tax-Utility 20,557,074.65 5,817,653.79 14,739,420.86
410111 Income Taxes - Deferred State Tax-Utility 333,491.01 487,801.35 (154,310.34)
801,397,320.75 795,853,162.21 5,544,158.54
122,772,080.90 116,999,129.37 5,772,951.53
409200 Federal Income Tax - Other Income & Deductions (720,466.90)(760,642.01)40,175.11
409211 State Income Tax - Other Income & Deductions (169,970.15)(179,608.56)9,638.41
417 Revenue from Nonutility Operations 4,811,224.65 4,805,178.40 6,046.25
417.1 Expense from Nonutility Operations (5,048,773.86)(4,930,072.50)(118,701.36)
419000 Interest and Dividend Income 252,284.54 233,757.86 18,526.68
419100 Allow for Other Funds Used During Construction 333,057.82 333,057.82
420000 Investment Tax Credit 28,629.62 (28,629.62)
421000 Miscellaneous Non-Operating Revenue 3,170,029.60 3,456,603.83 (286,574.23)
421100 Gain on Disposition of Property 9,000.00 371,719.19 (362,719.19)
2,636,385.70 3,025,565.83 (389,180.13)
411100 Accretion Expense & Other Income Deductions 124,706.99 (754,263.19)878,970.18
426 Miscellaneous Income Deductions 329,144.54 822,244.88 (493,100.34)
426511 Merger & Restructuring Expense 171,109.07 (171,109.07)
453,851.53 239,090.76 214,760.77
2,182,534.17 2,786,475.07 (603,940.90)
427001 Interest on Long-Term Debt 31,845,000.00 31,995,447.76 (150,447.76)
428 Amortization of Debt Discount & Expense 727,659.76 688,120.10 39,539.66
430 Interest on Debt to Affiliates 640,168.35 622,311.51 17,856.84
431009 Other Interest Expense (1,047,397.14)3,992,267.96 (5,039,665.10)
432 Allow for Borrowed Funds Used During Const - Cr (1,009,293.60)(1,052,892.67)43,599.07
31,156,137.37 36,245,254.66 (5,089,117.29)
93,798,477.70 83,540,349.78 10,258,127.92
93,798,477.70 83,540,349.78 10,258,127.92
Retained Earnings (Beg of Period)513,131,632.17 429,591,282.39 83,540,349.78
433 Balance Transferred from Income 93,798,477.70 83,540,349.78 10,258,127.92
606,930,109.87 513,131,632.17 93,798,477.70
Page 10
Retained Earnings (End of Period)

Interest Charges
Total Interest Charges
Total Income Before Cumulative Effect
Total Net Income

Total Other IncomeOther Income Deductions
Total Other Income Deductions
Total Other Income and Deductions
Interest Charges
Utility Operating Expenses
Total Utility Operating ExpensesTotal Net Operating Income
Other Income and Deductions
Other Income
Twelve Months
Net Operating IncomeUtility Operating Income
Total Utility Operating Income
Questar Gas Company
FUNCTIONAL STATEMENT OF INCOME AND RETAINED EARNINGS December 2019
Amount General Production UTAH DISTRIBUTION WYOMING DISTRIBUTION
400 Operating Revenues 924,169,401.65 2,422,913.11 16,883,261.79 873,142,800.86 31,720,425.89
924,169,401.65 2,422,913.11 16,883,261.79 873,142,800.86 31,720,425.89
401-G Gas Purchases 514,382,298.87 514,382,298.87
401-O Operating Expense 148,654,537.90 9,492,346.85 (10,767.00)135,820,937.53 3,352,020.52
402 Maintenance Expense 14,336,283.03 4,587.88 14,160,672.23 171,022.92
403 Depreciation Expense 75,908,281.73 8,340,168.40 497,602.56 64,669,966.31 2,400,544.46
404 Amortization and Depletion (177.34)(177.34)
408 Taxes Other Than Income Taxes 25,949,693.17 1,296,344.68 23,684,204.40 969,144.09
409100 Income Taxes - Federal Util Oper Income 919,133.15 919,133.15
409111 Income Taxes - State Util Oper Income 356,704.58 356,704.58
410100 Income Taxes - Deferred Federal Tax-Utility 20,557,074.65 20,557,074.65
410111 Income Taxes - Deferred State Tax-Utility 333,491.01 333,491.01
801,397,320.75 41,299,673.86 514,869,134.43 238,335,780.47 6,892,731.99122,772,080.90 (38,876,760.75)(497,985,872.64)634,807,020.39 24,827,693.90
409200 Federal Income Tax - Other Income & Deductions (720,466.90)(720,466.90)
409211 State Income Tax - Other Income & Deductions (169,970.15)(169,970.15)
417 Revenue from Nonutility Operations 4,811,224.65 4,811,224.65 0.00
417.1 Expense from Nonutility Operations (5,048,773.86)(5,048,773.86)
419000 Interest and Dividend Income 252,284.54 217,735.56 30,646.24 3,902.74
419100 Allow for Other Funds Used During Construction 333,057.82 333,057.82
421000 Miscellaneous Non-Operating Revenue 3,170,029.60 3,041,516.32 128,513.28
421100 Gain on Disposition of Property 9,000.00 9,000.002,636,385.70 (568,192.88)0.00 3,072,162.56 132,416.02
411100 Accretion Expense & Other Income Deductions 124,706.99 124,706.99
426 Miscellaneous Income Deductions 329,144.54 132,802.35 190,228.20 6,113.99
453,851.53 257,509.34 190,228.20 6,113.992,182,534.17 (825,702.22)0.00 2,881,934.36 126,302.03
427001 Interest on Long-Term Debt 31,845,000.00 31,845,000.00
428 Amortization of Debt Discount & Expense 727,659.76 727,659.76
430 Interest on Debt to Affiliates 640,168.35 640,168.35
431009 Other Interest Expense (1,047,397.14)(1,192,968.54)145,571.40
432 Allow for Borrowed Funds Used During Const - Cr (1,009,293.60)(1,009,293.60)
31,156,137.37 31,010,565.97 145,571.4093,798,477.70 (70,713,028.94)(497,985,872.64)637,543,383.35 24,953,995.93
93,798,477.70 (70,713,028.94)(497,985,872.64)637,543,383.35 24,953,995.93
Retained Earnings (Beg of Period)513,131,632.17
433 Balance Transferred from Income 93,798,477.70
606,930,109.87
Page 11
Retained Earnings (End of Period)

Interest Charges
Total Interest Charges
Total Income Before Cumulative Effect
Total Net Income

Total Other Income
Other Income Deductions
Total Other Income Deductions
Total Other Income and Deductions
Interest Charges
Utility Operating Expenses
Total Utility Operating Expenses
Total Net Operating Income
Other Income and DeductionsOther Income
Twelve Months
Net Operating Income
Utility Operating Income
Total Utility Operating Income
Questar Gas Company
FUNCTIONAL STATEMENT OF INCOME AND RETAINED EARNINGS December 2019
Amount General Production UTAH DISTRIBUTION WYOMING DISTRIBUTION
400 Operating Revenues 145,984,804.27 2,271,589.00 1,429,495.06 137,845,777.39 4,437,942.82
145,984,804.27 2,271,589.00 1,429,495.06 137,845,777.39 4,437,942.82
401-G Gas Purchases 82,415,435.99 82,415,435.99
401-O Operating Expense 12,659,830.24 (175,906.04)(2,660.00)12,412,974.89 425,421.39
402 Maintenance Expense 1,236,175.39 1,227,627.52 8,547.87
403 Depreciation Expense 5,740,140.92 633,664.95 41,466.88 4,846,801.60 218,207.49
408 Taxes Other Than Income Taxes 163,778.58 83,625.15 33,466.32 46,687.11
409100 Income Taxes - Federal Util Oper Income 10,076,050.48 10,076,050.48
409111 Income Taxes - State Util Oper Income 2,433,269.93 2,433,269.93
410100 Income Taxes - Deferred Federal Tax-Utility (1,253,254.66)(1,253,254.66)
410111 Income Taxes - Deferred State Tax-Utility (4,586,596.28)(4,586,596.28)
108,884,830.59 7,210,853.53 82,454,242.87 18,520,870.33 698,863.86
37,099,973.68 (4,939,264.53)(81,024,747.81)119,324,907.06 3,739,078.96
409200 Federal Income Tax - Other Income & Deductions (61,352.12)(61,352.12)
409211 State Income Tax - Other Income & Deductions (14,453.92)(14,453.92)
417 Revenue from Nonutility Operations 336,728.08 336,728.08
417.1 Expense from Nonutility Operations (369,404.25)(369,404.25)
419000 Interest and Dividend Income 19,808.04 19,482.96 92.79 232.29
419100 Allow for Other Funds Used During Construction 63,972.33 63,972.33
421000 Miscellaneous Non-Operating Revenue 250,423.19 241,342.19 9,081.00
225,721.35 (25,026.92)241,434.98 9,313.29
411100 Accretion Expense & Other Income Deductions 123,632.89 123,632.89
426 Miscellaneous Income Deductions 4,201.80 947.17 3,091.63 163.00
127,834.69 124,580.06 3,091.63 163.00
97,886.66 (149,606.98)238,343.35 9,150.29
427001 Interest on Long-Term Debt 2,653,750.01 2,653,750.01
428 Amortization of Debt Discount & Expense 62,713.67 62,713.67
430 Interest on Debt to Affiliates 212,245.38 212,245.38
431009 Other Interest Expense (99,141.47)(111,272.42)12,130.95
432 Allow for Borrowed Funds Used During Const - Cr (23,235.67)(23,235.67)
2,806,331.92 2,794,200.97 12,130.95
34,391,528.42 (7,883,072.48)(81,024,747.81)119,551,119.46 3,748,229.25
34,391,528.42 (7,883,072.48)(81,024,747.81)119,551,119.46 3,748,229.25
Retained Earnings (Beg of Period)572,538,581.45
433 Balance Transferred from Income 34,391,528.42
606,930,109.87
Page 11A
Retained Earnings (End of Period)

Interest Charges
Total Interest Charges
Total Income Before Cumulative Effect
Total Net Income

Total Other Income
Other Income Deductions
Total Other Income Deductions
Total Other Income and Deductions
Interest Charges
Utility Operating Expenses
Total Utility Operating Expenses
Total Net Operating Income
Other Income and Deductions
Other Income
Current Month
Net Operating Income
Utility Operating Income
Total Utility Operating Income
Questar Gas Company
Detail of 400. Operating Revenues December 2019
This Year Last Year This Year Last Year This Year Last Year
480000 Residential Calendarized Revenues 107,898,234.71 107,799,525.57 680,015,407.41 678,035,927.65 680,015,407.41 678,035,927.65
481000 Industrial Sales 441,488.14 521,240.84 4,158,034.78 5,552,238.34 4,158,034.78 5,552,238.34
481003 Industrial Sales - CNG Sales Gas Vehicle 222,091.50 225,354.10 2,727,383.63 3,022,395.76 2,727,383.63 3,022,395.76
481004 Commercial Revenues 28,649,576.93 28,467,677.17 173,601,876.16 182,178,343.70 173,601,876.16 182,178,343.70
483 Sales for Resale 70,355.24 (2,841.25)987,151.82 1,605,795.80 987,151.82 1,605,795.80
137,281,746.52 137,010,956.43 861,489,853.80 870,394,701.25 861,489,853.80 870,394,701.25
487 Int Chgs on Past Due Receivables - Gas 115,957.28 149,592.98 1,885,271.11 2,232,333.71 1,885,271.11 2,232,333.71
488 Misc Service Revenues 214,841.00 218,312.00 2,820,327.00 2,768,684.00 2,820,327.00 2,768,684.00
489101 Capacity Release Credits 64,188.46 51,877.65 399,121.05 324,477.94 399,121.05 324,477.94
4893 Revenue from Transportation of Gas of Ot 3,329,514.37 2,892,160.61 31,645,205.83 28,319,675.58 31,645,205.83 28,319,675.58
490 Incidental Plant Prod Sales 399,229.79 564,143.45 4,423,792.80 8,670,661.93 4,423,792.80 8,670,661.93
492 Incidental Gasoline_Oil Sales 140,902.18 127,601.89 2,067,266.72 2,282,587.13 2,067,266.72 2,282,587.13
495 Other Gas Revenues 2,282,685.21 (7,291,060.32)2,580,150.64 1,484,546.43 2,580,150.64 1,484,546.43
4951 Overriding Royalty Revenue from Celsius 754,819.39 8,034,343.55 10,191,591.30 8,034,343.55 10,191,591.30 8,034,343.55
4952 Oil Revenue Received from Wexpro 3,768.00 318,124.00 256,843.00 318,124.00 256,843.00 318,124.00
496 Provision for Rate Refunds 1,397,152.07 687,328.77 6,409,978.40 (11,977,843.94)6,409,978.40 (11,977,843.94)
8,703,057.75 5,752,424.58 62,679,547.85 42,457,590.33 62,679,547.85 42,457,590.33
145,984,804.27 142,763,381.01 924,169,401.65 912,852,291.58 924,169,401.65 912,852,291.58
Page 12
Total Sales of Gas
Other Operating Revenues
Total Other Operating Revenues
Total 400. Operating Revenues

Account Current Month Twelve Months Twelve Months
Sales of Gas
Questar Gas Company
STATEMENT OF GS GAS SALES - Utah Jurisdiction December 2019
ALLOWED REVENUE PER
GS CUSTOMER (TARIFF)

January 1,033,637 49.30 50,958,304.10
February 1,035,127 40.92 42,357,396.84
March 1,037,108 32.81 34,027,513.48
April 1,039,138 20.70 21,510,156.60
May 1,041,069 13.64 14,200,167.52
June 1,042,734 11.62 12,116,569.08
July 1,044,025 11.08 11,567,797.00
August 1,045,346 11.05 11,551,073.30
September 1,046,863 12.79 13,389,377.77
October 1,047,526 17.15 17,965,070.90
November 1,052,827 31.67 33,343,031.09
December 1,055,047 44.33 46,770,189.18
TOTAL TARIFF 297.06

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF UTAH AND IDAHO GENERAL SERVICE
DNG 46,727,615.89 46,770,189.18 42,573.29
SNG 15,773,746.15 15,773,746.15 0.00
COMMODITY 61,042,712.72 61,042,712.72 0.00
EEP 4,766,897.86 4,766,897.86 0.00
IRA 6,070,070.60 6,070,070.60 0.00
TOTAL GENERAL SERVICE STATE OF UTAH AND IDAHO 134,381,043.22 134,423,616.51 42,573.29

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF UTAH AND IDAHO GENERAL SERVICE
DNG 308,123,132.04 309,756,646.86 1,633,514.82
SNG 101,596,874.02 101,596,874.02 0.00
COMMODITY 363,483,293.25 363,483,293.25 0.00
EEP 27,994,303.79 27,994,303.79 0.00
IRA 31,325,181.91 31,325,181.91 0.00
TOTAL GENERAL SERVICE STATE OF UTAH AND IDAHO 832,522,785.01 834,156,299.83 1,633,514.82

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF UTAH AND IDAHO GENERAL SERVICE
DNG 308,123,132.04 309,756,646.86 1,633,514.82
SNG 101,596,874.02 101,596,874.02 0.00
COMMODITY 363,483,293.25 363,483,293.25 0.00
EEP 27,994,303.79 27,994,303.79 0.00
IRA 31,325,181.91 31,325,181.91 0.00
TOTAL GENERAL SERVICE STATE OF UTAH AND IDAHO 832,522,785.01 834,156,299.83 1,633,514.82
Page 13A
Year To Date
Twelve Months
GS CUSTOMERS CET ALLOWED REVENUE
Current Period
Questar Gas Company
STATEMENT OF GS GAS SALES - Wyoming Jurisdiction December 2019
ALLOWED REVENUE PER
GS CUSTOMER (TARIFF)

January 27,780 62.2300 1,728,749.40
February 27,814 58.1100 1,616,271.54
March 27,790 48.9300 1,359,764.70
April 27,843 39.5000 1,099,798.50
May 27,813 30.8100 856,918.53
June 27,802 21.9000 608,863.80
July 27,734 21.4300 594,339.60
August 27,693 17.9400 496,812.42
September 27,650 22.8300 631,249.50
October 27,696 31.1800 863,561.28
November 27,828 42.6900 1,187,977.32
December 27,834 56.8300 1,581,806.22
TOTAL TARIFF 454.3800

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF WYOMING GENERAL SERVICE
DNG 1,667,948.06 1,581,806.22 (86,141.84)
COMMODITY 2,691,638.38 2,691,638.38 0.00
EEP 26,332.10 26,332.10 0.00
TOTAL GENERAL SERVICE STATE OF WYOMING 4,385,918.54 4,299,776.70 (86,141.84)

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF WYOMING GENERAL SERVICE
DNG 12,189,047.13 12,626,112.81 437,065.68
COMMODITY 15,981,114.94 15,981,114.94 0.00
EEP 253,201.33 253,201.33 0.00
TOTAL GENERAL SERVICE STATE OF WYOMING 28,423,363.40 28,860,429.08 437,065.68

CLASSIFICATION DELIVERED BOOKED REVENUE CET ACCRUAL

STATE OF WYOMING GENERAL SERVICE
DNG 12,189,047.13 12,626,112.81 437,065.68
COMMODITY 15,981,114.94 15,981,114.94 0.00
EEP 253,201.33 253,201.33 0.00
TOTAL GENERAL SERVICE STATE OF WYOMING 28,423,363.40 28,860,429.08 437,065.68
Page 13B
Year To Date
Twelve Months
GS CUSTOMERS CET ALLOWED REVENUE
Current Period
Questar Gas Company
COMPARATIVE STATEMENT OF GAS SALES - Utah Jurisdiction December 2019
CUSTOMERS DECATHERMS RATE AMOUNT CUSTOMERS DECATHERMS RATE AMOUNT CUSTOMERS DECATHERMS AMOUNT
STATE OF UTAH
FIRM NON GS
Industrial
FS 55 65,996 5.440 358,988.30 61 79,640 5.193 413,578.41 (6)(13,644)(54,590.11)
NGV 0 20,078 10.797 216,783.26 0 21,109 10.503 221,702.10 0 (1,031)(4,918.84)
FS 388 229,205 5.590 1,281,140.21 433 295,578 5.319 1,572,316.75 (45)(66,374)(291,176.54)
TOTAL FIRM 443 315,278 5.890 1,856,911.77 494 396,327 5.570 2,207,597.26 (51)(81,049)(350,685.49)
IS 8 6,685 5.315 35,527.68 8 11,826 4.184 49,479.48 0 (5,141)(13,951.80)
IS 11 10,890 5.007 54,529.66 11 11,074 4.198 46,490.58 0 (185)8,039.08
TOTAL INTERRUPTIBLE 19 17,574 5.124 90,057.34 19 22,900 4.191 95,970.06 0 (5,326)(5,912.72)
TS 296 3,514,627 0.335 1,178,093.08 269 3,119,595 0.340 1,061,617.80 27 395,032 116,475.28
FT1 4 140,240 0.476 66,771.48 5 434,147 0.304 131,914.95 (1)(293,907)(65,143.47)
RNGT 0 1,047 14.339 15,007.18 0 0 0.000 0.00 0 1,047 15,007.18
TS 774 2,268,972 0.616 1,396,664.42 679 2,061,718 0.600 1,237,257.97 95 207,254 159,406.45
FT1 4 3,245,390 0.193 624,739.33 4 3,480,898 0.128 445,767.01 0 (235,508)178,972.32
MT 1 5,240 6.989 36,624.19 1 4,327 0.952 4,120.49 0 913 32,503.70
TOTAL TRANSPORTATION 1,079 9,175,516 0.362 3,317,899.68 958 9,100,685 0.317 2,880,678.22 121 74,831 437,221.46
TOTAL FIRM, INTER, & TRANS 1,541 9,508,368 0.554 5,264,868.79 1,471 9,519,912 0.545 5,184,245.54 70 (11,544)80,623.25
GS 983,360 12,288,772 7.721 94,882,451.11 958,244 13,008,300 7.277 94,656,026.69 25,116 (719,529)226,424.42
GS 69,406 4,684,565 6.602 30,927,116.42 68,523 5,190,121 6.202 32,188,588.38 883 (505,555)(1,261,471.96)
TOTAL GENERAL SERVICE 1,052,766 16,973,337 7.412 125,809,567.53 1,026,767 18,198,421 6.970 126,844,615.07 25,999 (1,225,084)(1,035,047.54)
TOTAL STATE OF UTAH 1,054,307 26,481,705 4.950 131,074,436.32 1,028,238 27,718,334 4.763 132,028,860.61 26,069 (1,236,628)(954,424.29)
STATE OF IDAHO
FIRM
Commercial
FS 2 1,465 5.690 8,333.09 2 1,540 5.438 8,372.72 0 (75)(39.63)
TOTAL FIRM 2 1,465 5.690 8,333.09 2 1,540 5.438 8,372.72 0 (75)(39.63)
IS 1 0 0.000 63.49 1 0 0.000 63.49 0 0 0.00
TOTAL INTERRUPTIBLE 1 0 0.000 63.49 1 0 0.000 63.49 0 0 0.00
TRANSPORTATION
Industrial
TS 2 1,867 1.033 1,929.42 0 0 0.000 0.00 2 1,867 1,929.42
TOTAL TRANSPORTATION 2 1,867 1.033 1,929.42 0 0 0.000 0.00 2 1,867 1,929.42
TOTAL FIRM, INTER, & TRANS 5 3,332 3.099 10,326.00 3 1,540 5.480 8,436.21 2 1,792 1,889.79
GS 2,032 25,609 7.381 189,031.33 1,965 25,200 7.133 179,751.29 67 410 9,280.04
GS 249 16,023 6.411 102,720.68 251 17,993 6.119 110,095.46 (2)(1,971)(7,374.78)
TOTAL GENERAL SERVICE 2,281 41,632 7.008 291,752.01 2,216 43,193 6.710 289,846.75 65 (1,561)1,905.26
TOTAL STATE OF IDAHO 2,286 44,964 6.718 302,078.01 2,219 44,733 6.668 298,282.96 67 231 3,795.05
CET ADJUSTMENT - UTAH & IDAHO 0 0.000 42,573.27 0 0.000 (1,263,168.99)0 0 1,305,742.26
TOTAL CET - GENERAL SERVICE - UTAH & IDAHO 0 0.000 42,573.27 0 0.000 (1,263,168.99)0 0 1,305,742.26
EEP AMORTIZATION - UTAH & IDAHO 0 0.000 4,766,897.86 0 0.000 4,688,160.65 0 0 78,737.21
TOTAL EEP - GENERAL SERVICE - UTAH & IDAHO 0 0.000 4,766,897.86 0 0.000 4,688,160.65 0 0 78,737.21
FIRM NON GS - UTAH & IDAHO 445 316,743 5.889 1,865,244.86 496 397,867 5.570 2,215,969.98 (51)(81,124)(350,725.12)
INTERRUPTIBLE - UTAH & IDAHO 20 17,574 5.128 90,120.83 20 22,900 4.194 96,033.55 0 (5,326)(5,912.72)
TRANSPORTATION - UTAH & IDAHO 1,081 9,177,383 0.362 3,319,829.10 958 9,100,685 0.317 2,880,678.22 123 76,698 439,150.88
GENERAL SERVICE CALENDARIZED REVENUE - UTAH & IDAHO 1,055,047 17,014,969 7.694 130,910,790.67 1,028,983 18,241,614 7.157 130,559,453.48 26,064 (1,226,645)351,337.19
GAS SALES - ALL DIVISIONS UTAH & IDAHO 1,056,593 26,526,669 5.134 136,185,985.46 1,030,457 27,763,066 4.890 135,752,135.23 26,136 (1,236,397)433,850.23
Page 14

CLASSIFICATION CURRENT MONTH - THIS YEAR CURRENT MONTH - LAST YEAR INCREASE OR DECREASE

Questar Gas Company
COMPARATIVE STATEMENT OF GAS SALES - Wyoming Jurisdiction December 2019
CUSTOMERS DECATHERMS RATE AMOUNT CUSTOMERS DECATHERMS RATE AMOUNT CUSTOMERS DECATHERMS AMOUNT
STATE OF WYOMING
FIRM NON GS
Industrial
NGV 0 491 10.810 5,308.24 0 296 12.353 3,652.00 0 195 1,656.24
FS 25 20,847 5.044 105,157.56 26 21,400 4.927 105,431.44 (1)(553)(273.88)
TOTAL FIRM 25 21,338 5.177 110,465.80 26 21,696 5.028 109,083.44 (1)(357)1,382.36
IS 1 (1,112)4.252 (4,726.51)1 119 7.879 938.07 0 (1,231)(5,664.58)
IS 3 15,236 4.673 71,195.16 3 16,959 4.502 76,353.20 0 (1,723)(5,158.04)
TOTAL INTERRUPTIBLE 4 14,125 4.706 66,468.65 4 17,078 4.526 77,291.27 0 (2,953)(10,822.62)
IT 3 20,810 0.343 7,140.88 4 18,802 0.431 8,105.97 (1)2,008 (965.09)
IC 1 20,472 0.064 1,310.20 1 37,472 0.060 2,233.42 0 (17,000)(923.22)
IC 1 3,777 0.327 1,234.08 1 3,473 0.329 1,142.90 0 304 91.18
TOTAL TRANSPORTATION 5 45,059 0.215 9,685.16 6 59,747 0.192 11,482.29 (1)(14,688)(1,797.13)
TOTAL FIRM, INTER, & TRANS 34 80,522 2.318 186,619.61 36 98,521 2.008 197,857.00 (2)(17,999)(11,237.39)
GS 24,822 386,218 6.866 2,651,807.51 24,718 359,414 6.858 2,464,731.19 104 26,804 187,076.32
GS 3,012 255,059 6.180 1,576,302.56 2,994 237,670 6.136 1,458,421.46 18 17,389 117,881.10
TOTAL GENERAL SERVICE 27,834 641,277 6.593 4,228,110.07 27,712 597,084 6.571 3,923,152.65 122 44,193 304,957.42
TOTAL STATE OF WYOMING 27,868 721,799 6.116 4,414,729.68 27,748 695,604 5.924 4,121,009.65 120 26,195 293,720.03
CET ADJUSTMENT - WYOMING 0 0.000 (86,141.86)0 0.000 (9,331.84)0 (76,810.02)
TOTAL CET - GENERAL SERVICE - WYOMING 0 0.000 (86,141.86)0 0.000 (9,331.84)0 (76,810.02)
EEP AMORTIZATION - WYOMING 0 0.000 26,332.10 0 0.000 42,144.99 0 (15,812.89)
TOTAL EEP - GENERAL SERVICE - WYOMING 0 0.000 26,332.10 0 0.000 42,144.99 0 (15,812.89)
FIRM NON GS - ALL DIVISIONS 470 338,081 5.844 1,975,710.66 522 419,563 5.542 2,325,053.42 (52)(81,481)(349,342.76)
INTERRUPTIBLE - ALL DIVISIONS 24 31,699 4.940 156,589.48 24 39,978 4.336 173,324.82 0 (8,279)(16,735.34)
TRANSPORTATION - ALL DIVISIONS 1,086 9,222,442 0.361 3,329,514.26 964 9,160,432 0.316 2,892,160.51 122 62,010 437,353.75
GENERAL SERVICE CALENDARIZED REVENUE - ALL DIVISIONS 1,082,881 17,656,246 7.650 135,079,090.98 1,056,695 18,838,698 7.140 134,515,419.28 26,186 (1,182,452)563,671.70
GAS SALES - ALL DIVISION 1,084,461 27,248,468 5.158 140,540,905.38 1,058,205 28,458,671 4.916 139,905,958.03 26,256 (1,210,202)634,947.35
Page 15

CLASSIFICATION CURRENT MONTH - THIS YEAR CURRENT MONTH - LAST YEAR INCREASE OR DECREASE

Questar Gas Company
COMPARATIVE STATEMENT OF GAS SALES - Utah Jurisdiction December 2019
DECATHERMS RATE AMOUNT DECATHERMS RATE AMOUNT DECATHERMS AMOUNT
STATE OF UTAH
FIRM NON GS
Industrial
FS 713,098 4.846 3,455,456.69 822,454 5.403 4,443,559.32 (109,356)(988,102.63)
NGV 250,182 10.697 2,676,087.47 271,663 10.847 2,946,833.65 (21,481)(270,746.18)
FS 2,336,938 5.079 11,869,589.17 2,555,667 5.598 14,307,859.70 (218,729)(2,438,270.53)
TOTAL FIRM 3,300,219 5.455 18,001,133.33 3,649,784 5.945 21,698,252.67 (349,566)(3,697,119.34)
IS 57,757 4.850 280,144.97 128,234 4.898 628,034.44 (70,477)(347,889.47)
IS 90,226 4.679 422,199.32 105,752 4.867 514,730.17 (15,526)(92,530.85)
TOTAL INTERRUPTIBLE 147,983 4.746 702,344.29 233,986 4.884 1,142,764.61 (86,003)(440,420.32)
TS 34,430,229 0.378 13,007,942.55 31,440,889 0.385 12,091,784.75 2,989,340 916,157.80
FT1 3,022,726 0.353 1,067,863.91 4,560,370 0.307 1,401,643.68 (1,537,644)(333,779.77)
RNGT 1,177 27.393 32,238.41 0 0.000 0.00 1,177 32,238.41
TS 18,519,687 0.721 13,346,801.30 15,817,801 0.695 10,991,391.32 2,701,886 2,355,409.98
FT1 40,960,496 0.096 3,935,614.04 36,988,461 0.099 3,648,692.74 3,972,035 286,921.30
MT 27,018 4.621 124,840.55 21,619 3.828 82,765.77 5,399 42,074.78
TOTAL TRANSPORTATION 96,961,333 0.325 31,515,300.76 88,829,140 0.318 28,216,278.26 8,132,193 3,299,022.50
TOTAL FIRM, INTER, & TRANS 100,409,535 0.500 50,218,778.38 92,712,910 0.551 51,057,295.54 7,696,624 (838,517.16)
GS 79,160,917 7.508 594,331,731.66 69,962,764 8.543 597,725,175.03 9,198,152 (3,393,443.37)
GS 30,066,154 6.188 186,037,588.07 27,659,751 7.072 195,607,223.93 2,406,403 (9,569,635.86)
TOTAL GENERAL SERVICE 109,227,070 7.144 780,369,319.73 97,622,515 8.127 793,332,398.96 11,604,556 (12,963,079.23)
TOTAL STATE OF UTAH 209,636,605 3.962 830,588,098.11 190,335,425 4.436 844,389,694.50 19,301,180 (13,801,596.39)
STATE OF IDAHO
FIRM
Commercial
FS 15,376 5.026 77,281.49 15,568 5.521 85,945.78 (192)(8,664.29)
TOTAL FIRM 15,376 5.026 77,281.49 15,568 5.521 85,945.78 (192)(8,664.29)
IS 0 0.000 761.88 0 0.000 761.88 0 0.00
TOTAL INTERRUPTIBLE 0 0.000 761.88 0 0.000 761.88 0 0.00
TRANSPORTATION
Industrial
TS 6,297 1.450 9,129.73 0 0.000 0.00 6,297 9,129.73
TOTAL TRANSPORTATION 6,297 1.450 9,129.73 0 0.000 0.00 6,297 9,129.73
TOTAL FIRM, INTER, & TRANS 21,673 4.022 87,173.10 15,568 5.570 86,707.66 6,104 465.44
GS 156,000 7.427 1,158,558.07 137,309 8.543 1,173,031.54 18,691 (14,473.47)
GS 100,128 6.176 618,380.17 94,085 7.059 664,168.91 6,043 (45,788.74)
TOTAL GENERAL SERVICE 256,128 6.938 1,776,938.24 231,394 7.940 1,837,200.45 24,734 (60,262.21)
TOTAL STATE OF IDAHO 277,801 6.710 1,864,111.34 246,962 7.790 1,923,908.11 30,839 (59,796.77)
CET ADJUSTMENT - UTAH & IDAHO 0 0.000 1,633,514.64 0 0.000 (3,883,550.45)0 5,517,065.09
TOTAL CET - GENERAL SERVICE - UTAH & IDAHO 0 0.000 1,633,514.64 0 0.000 (3,883,550.45)0 5,517,065.09
EEP AMORTIZATION - UTAH & IDAHO 0 0.000 27,994,303.79 0 0.000 23,887,961.54 0 4,106,342.25
TOTAL EEP - GENERAL SERVICE - UTAH & IDAHO 0 0.000 27,994,303.79 0 0.000 23,887,961.54 0 4,106,342.25
FIRM NON GS - UTAH & IDAHO 3,315,594 5.453 18,078,414.82 3,665,353 5.943 21,784,198.45 (349,758)(3,705,783.63)
INTERRUPTIBLE - UTAH & IDAHO 147,983 4.751 703,106.17 233,986 4.887 1,143,526.49 (86,003)(440,420.32)
TRANSPORTATION - UTAH & IDAHO 96,967,630 0.325 31,524,430.49 88,829,140 0.318 28,216,278.26 8,138,490 3,308,152.23
GENERAL SERVICE CALENDARIZED REVENUE - UTAH & IDAHO 109,483,199 7.415 811,774,076.40 97,853,909 8.331 815,174,010.50 11,629,290 (3,399,934.10)
GAS SALES - ALL DIVISIONS UTAH & IDAHO 209,914,406 4.107 862,080,027.88 190,582,388 4.546 866,318,013.70 19,332,019 (4,237,985.82)
Page 16

CLASSIFICATION YEAR TO DATE - THIS YEAR YEAR TO DATE - LAST YEAR INCREASE OR DECREASE

Questar Gas Company
COMPARATIVE STATEMENT OF GAS SALES - Wyoming Jurisdiction December 2019
DECATHERMS RATE AMOUNT DECATHERMS RATE AMOUNT DECATHERMS AMOUNT
STATE OF WYOMING
FIRM NON GS
Industrial
NGV 4,597 11.159 51,296.16 5,917 12.770 75,562.11 (1,320)(24,265.95)
FS 188,898 5.061 955,943.75 165,199 5.725 945,687.09 23,699 10,256.66
TOTAL FIRM 193,495 5.206 1,007,239.91 171,116 5.968 1,021,249.20 22,378 (14,009.29)
IS 10,754 5.114 54,991.02 20,662 5.512 113,882.39 (9,908)(58,891.37)
IS 135,329 4.606 623,329.90 126,809 5.370 681,009.66 8,520 (57,679.76)
TOTAL INTERRUPTIBLE 146,082 4.643 678,320.92 147,471 5.390 794,892.05 (1,388)(116,571.13)
IT 168,678 0.492 82,991.11 138,651 0.574 79,532.97 30,027 3,458.14
IC 388,137 0.074 28,643.32 246,634 0.063 15,427.87 141,503 13,215.45
IC 26,426 0.346 9,139.67 24,078 0.350 8,435.28 2,348 704.39
TOTAL TRANSPORTATION 583,241 0.207 120,774.10 409,363 0.253 103,396.12 173,878 17,377.98
TOTAL FIRM, INTER, & TRANS 922,818 1.957 1,806,334.93 727,950 2.637 1,919,537.37 194,868 (113,202.44)
GS 2,354,555 7.569 17,822,548.32 2,055,767 8.927 18,352,319.90 298,788 (529,771.58)
GS 1,529,654 6.373 9,748,726.75 1,330,536 7.570 10,071,640.54 199,118 (322,913.79)
TOTAL GENERAL SERVICE 3,884,209 7.098 27,571,275.07 3,386,303 8.394 28,423,960.44 497,906 (852,685.37)
TOTAL STATE OF WYOMING 4,807,028 6.111 29,377,610.00 4,114,253 7.375 30,343,497.81 692,774 (965,887.81)
CET ADJUSTMENT - WYOMING 0 0.000 437,065.47 0 0.000 257,097.18 0 179,968.29
TOTAL CET - GENERAL SERVICE - WYOMING 0 0.000 437,065.47 0 0.000 257,097.18 0 179,968.29
EEP AMORTIZATION - WYOMING 0 0.000 253,201.33 0 0.000 189,969.22 0 63,232.11
TOTAL EEP - GENERAL SERVICE - WYOMING 0 0.000 253,201.33 0 0.000 189,969.22 0 63,232.11
FIRM NON GS - ALL DIVISIONS 3,509,089 5.439 19,085,654.73 3,836,469 5.944 22,805,447.65 (327,380)(3,719,792.92)
INTERRUPTIBLE - ALL DIVISIONS 294,066 4.698 1,381,427.09 381,457 5.082 1,938,418.54 (87,391)(556,991.45)
TRANSPORTATION - ALL DIVISIONS 97,550,871 0.324 31,645,204.59 89,238,503 0.317 28,319,674.38 8,312,368 3,325,530.21
GENERAL SERVICE CALENDARIZED REVENUE - ALL DIVISIONS 113,367,408 7.410 840,035,618.27 101,240,212 8.337 844,045,037.34 12,127,196 (4,009,419.07)
GAS SALES - ALL DIVISION 214,721,434 4.155 892,147,904.68 194,696,641 4.608 897,108,577.91 20,024,793 (4,960,673.23)
Page 17

CLASSIFICATION YEAR TO DATE - THIS YEAR YEAR TO DATE - LAST YEAR INCREASE OR DECREASE

Questar Gas Company
COMPARATIVE STATEMENT OF GAS SALES - Utah Jurisdiction December 2019
DECATHERMS RATE AMOUNT DECATHERMS RATE AMOUNT DECATHERMS AMOUNT
STATE OF UTAH
FIRM NON GS
Industrial
FS 713,098 4.846 3,455,456.69 822,454 5.403 4,443,559.32 (109,356)(988,102.63)
NGV 250,182 10.697 2,676,087.47 271,663 10.847 2,946,833.65 (21,481)(270,746.18)
FS 2,336,938 5.079 11,869,589.17 2,555,667 5.598 14,307,859.70 (218,729)(2,438,270.53)
TOTAL FIRM 3,300,219 5.455 18,001,133.33 3,649,784 5.945 21,698,252.67 (349,566)(3,697,119.34)
IS 57,757 4.850 280,144.97 128,234 4.898 628,034.44 (70,477)(347,889.47)
IS 90,226 4.679 422,199.32 105,752 4.867 514,730.17 (15,526)(92,530.85)
TOTAL INTERRUPTIBLE 147,983 4.746 702,344.29 233,986 4.884 1,142,764.61 (86,003)(440,420.32)
TS 34,430,229 0.378 13,007,942.55 31,440,889 0.385 12,091,784.75 2,989,340 916,157.80
FT1 3,022,726 0.353 1,067,863.91 4,560,370 0.307 1,401,643.68 (1,537,644)(333,779.77)
RNGT 1,177 27.393 32,238.41 0 0.000 0.00 1,177 32,238.41
TS 18,519,687 0.721 13,346,801.30 15,817,801 0.695 10,991,391.32 2,701,886 2,355,409.98
FT1 40,960,496 0.096 3,935,614.04 36,988,461 0.099 3,648,692.74 3,972,035 286,921.30
MT 27,018 4.621 124,840.55 21,619 3.828 82,765.77 5,399 42,074.78
TOTAL TRANSPORTATION 96,961,333 0.325 31,515,300.76 88,829,140 0.318 28,216,278.26 8,132,193 3,299,022.50
TOTAL FIRM, INTER, & TRANS 100,409,535 0.500 50,218,778.38 92,712,910 0.551 51,057,295.54 7,696,624 (838,517.16)
GS 79,160,917 7.508 594,331,731.66 69,962,764 8.543 597,725,175.03 9,198,152 (3,393,443.37)
GS 30,066,154 6.188 186,037,588.07 27,659,751 7.072 195,607,223.93 2,406,403 (9,569,635.86)
TOTAL GENERAL SERVICE 109,227,070 7.144 780,369,319.73 97,622,515 8.127 793,332,398.96 11,604,556 (12,963,079.23)
TOTAL STATE OF UTAH 209,636,605 3.962 830,588,098.11 190,335,425 4.436 844,389,694.50 19,301,180 (13,801,596.39)
STATE OF IDAHO
FIRM
Commercial
FS 15,376 5.026 77,281.49 15,568 5.521 85,945.78 (192)(8,664.29)
TOTAL FIRM 15,376 5.026 77,281.49 15,568 5.521 85,945.78 (192)(8,664.29)
IS 0 0.000 761.88 0 0.000 761.88 0 0.00
TOTAL INTERRUPTIBLE 0 0.000 761.88 0 0.000 761.88 0 0.00
TRANSPORTATION
Industrial
TS 6,297 1.450 9,129.73 0 0.000 0.00 6,297 9,129.73
TOTAL TRANSPORTATION 6,297 1.450 9,129.73 0 0.000 0.00 6,297 9,129.73
TOTAL FIRM, INTER, & TRANS 21,673 4.022 87,173.10 15,568 5.570 86,707.66 6,104 465.44
GS 156,000 7.427 1,158,558.07 137,309 8.543 1,173,031.54 18,691 (14,473.47)
GS 100,128 6.176 618,380.17 94,085 7.059 664,168.91 6,043 (45,788.74)
TOTAL GENERAL SERVICE 256,128 6.938 1,776,938.24 231,394 7.940 1,837,200.45 24,734 (60,262.21)
TOTAL STATE OF IDAHO 277,801 6.710 1,864,111.34 246,962 7.790 1,923,908.11 30,839 (59,796.77)
CET ADJUSTMENT - UTAH & IDAHO 0 0.000 1,633,514.64 0 0.000 (3,883,550.45)0 5,517,065.09
TOTAL CET - GENERAL SERVICE - UTAH & IDAHO 0 0.000 1,633,514.64 0 0.000 (3,883,550.45)0 5,517,065.09
EEP AMORTIZATION - UTAH & IDAHO 0 0.000 27,994,303.79 0 0.000 23,887,961.54 0 4,106,342.25
TOTAL EEP - GENERAL SERVICE - UTAH & IDAHO 0 0.000 27,994,303.79 0 0.000 23,887,961.54 0 4,106,342.25
FIRM NON GS - UTAH & IDAHO 3,315,594 5.453 18,078,414.82 3,665,353 5.943 21,784,198.45 (349,758)(3,705,783.63)
INTERRUPTIBLE - UTAH & IDAHO 147,983 4.751 703,106.17 233,986 4.887 1,143,526.49 (86,003)(440,420.32)
TRANSPORTATION - UTAH & IDAHO 96,967,630 0.325 31,524,430.49 88,829,140 0.318 28,216,278.26 8,138,490 3,308,152.23
GENERAL SERVICE CALENDARIZED REVENUE - UTAH & IDAHO 109,483,199 7.415 811,774,076.40 97,853,909 8.331 815,174,010.50 11,629,290 (3,399,934.10)
GAS SALES - ALL DIVISIONS UTAH & IDAHO 209,914,406 4.107 862,080,027.88 190,582,388 4.546 866,318,013.70 19,332,019 (4,237,985.82)
Page 18

CLASSIFICATION TWELVE MONTHS - THIS YEAR TWELVE MONTHS - LAST YEAR INCREASE OR DECREASE

Questar Gas Company
COMPARATIVE STATEMENT OF GAS SALES - Wyoming Jurisdiction December 2019
DECATHERMS RATE AMOUNT DECATHERMS RATE AMOUNT DECATHERMS AMOUNT
STATE OF WYOMING
FIRM NON GS
Industrial
NGV 4,597 11.159 51,296.16 5,917 12.770 75,562.11 (1,320)(24,265.95)
FS 188,898 5.061 955,943.75 165,199 5.725 945,687.09 23,699 10,256.66
TOTAL FIRM 193,495 5.206 1,007,239.91 171,116 5.968 1,021,249.20 22,378 (14,009.29)
IS 10,754 5.114 54,991.02 20,662 5.512 113,882.39 (9,908)(58,891.37)
IS 135,329 4.606 623,329.90 126,809 5.370 681,009.66 8,520 (57,679.76)
TOTAL INTERRUPTIBLE 146,082 4.643 678,320.92 147,471 5.390 794,892.05 (1,388)(116,571.13)
IT 168,678 0.492 82,991.11 138,651 0.574 79,532.97 30,027 3,458.14
IC 388,137 0.074 28,643.32 246,634 0.063 15,427.87 141,503 13,215.45
IC 26,426 0.346 9,139.67 24,078 0.350 8,435.28 2,348 704.39
TOTAL TRANSPORTATION 583,241 0.207 120,774.10 409,363 0.253 103,396.12 173,878 17,377.98
TOTAL FIRM, INTER, & TRANS 922,818 1.957 1,806,334.93 727,950 2.637 1,919,537.37 194,868 (113,202.44)
GS 2,354,555 7.569 17,822,548.32 2,055,767 8.927 18,352,319.90 298,788 (529,771.58)
GS 1,529,654 6.373 9,748,726.75 1,330,536 7.570 10,071,640.54 199,118 (322,913.79)
TOTAL GENERAL SERVICE 3,884,209 7.098 27,571,275.07 3,386,303 8.394 28,423,960.44 497,906 (852,685.37)
TOTAL STATE OF WYOMING 4,807,028 6.111 29,377,610.00 4,114,253 7.375 30,343,497.81 692,774 (965,887.81)
CET ADJUSTMENT - WYOMING 0 0.000 437,065.47 0 0.000 257,097.18 0 179,968.29
TOTAL CET - GENERAL SERVICE - WYOMING 0 0.000 437,065.47 0 0.000 257,097.18 0 179,968.29
EEP AMORTIZATION - WYOMING 0 0.000 253,201.33 0 0.000 189,969.22 0 63,232.11
TOTAL EEP - GENERAL SERVICE - WYOMING 0 0.000 253,201.33 0 0.000 189,969.22 0 63,232.11
FIRM NON GS - ALL DIVISIONS 3,509,089 5.439 19,085,654.73 3,836,469 5.944 22,805,447.65 (327,380)(3,719,792.92)
INTERRUPTIBLE - ALL DIVISIONS 294,066 4.698 1,381,427.09 381,457 5.082 1,938,418.54 (87,391)(556,991.45)
TRANSPORTATION - ALL DIVISIONS 97,550,871 0.324 31,645,204.59 89,238,503 0.317 28,319,674.38 8,312,368 3,325,530.21
GENERAL SERVICE CALENDARIZED REVENUE - ALL DIVISIONS 113,367,408 7.410 840,035,618.27 101,240,212 8.337 844,045,037.34 12,127,196 (4,009,419.07)
GAS SALES - ALL DIVISION 214,721,434 4.155 892,147,904.68 194,696,641 4.608 897,108,577.91 20,024,793 (4,960,673.23)
Page 19

CLASSIFICATION TWELVE MONTHS - THIS YEAR TWELVE MONTHS - LAST YEAR INCREASE OR DECREASE

Questar Gas Company
Summary of Operation and Maintenance Expense Accounts 401 and 402 December 2019
Account This Year Last Year Increase (Decrease)Percent
Gas Purchase Expenses 82,415,435.99 85,064,164.38 (2,648,728.39)-3.1%
Natural Gas Production Expenses (41,633.94)(71,584.56)29,950.62 -41.8%
Distribution Expenses 4,875,621.91 4,465,992.29 409,629.62 9.2%
Customer Accounts Expenses 549,465.95 837,447.91 (287,981.96)-34.4%
Customer Service & Information Expenses 5,434,544.71 4,978,336.00 456,208.71 9.2%
Administrative and General Expenses 3,078,007.00 3,871,966.95 (793,959.95)-20.5%
Total Current Month 96,311,441.62 99,146,322.97 (2,834,881.35)-2.9%
Account This Year Last Year Increase (Decrease)Percent
Gas Purchase Expenses 514,382,298.87 530,577,923.17 (16,195,624.30)-3.1%
Natural Gas Production Expenses (582,426.92)(886,886.91)304,459.99 -34.3%
Distribution Expenses 61,768,673.86 57,001,664.42 4,767,009.44 8.4%
Customer Accounts Expenses 13,037,215.35 13,827,936.54 (790,721.19)-5.7%
Customer Service & Information Expenses 31,420,787.04 27,244,073.19 4,176,713.85 15.3%
Administrative and General Expenses 57,346,571.60 49,494,549.33 7,852,022.27 15.9%
Total Twelve Months 677,373,119.80 677,259,259.74 113,860.06 0.0%
Account This Year Last Year Increase (Decrease)Percent
Gas Purchase Expenses 514,382,298.87 530,577,923.17 (16,195,624.30)-3.1%
Natural Gas Production Expenses (582,426.92)(886,886.91)304,459.99 -34.3%
Distribution Expenses 61,768,673.86 57,001,664.42 4,767,009.44 8.4%
Customer Accounts Expenses 13,037,215.35 13,827,936.54 (790,721.19)-5.7%
Customer Service & Information Expenses 31,420,787.04 27,244,073.19 4,176,713.85 15.3%
Administrative and General Expenses 57,346,571.60 49,494,549.33 7,852,022.27 15.9%
Total Twelve Months 677,373,119.80 677,259,259.74 113,860.06 0.0%
Page 21
Twelve Months

Current Month
Twelve Months
Questar Gas Company
Gas Purchase and Production Expenses December 2019
This Year Last Year This Year Last Year This Year Last Year
758000 Gas Well Royalties 1,673,842.47 2,354,220.08 30,880,487.98 27,036,651.91 30,880,487.98 27,036,651.91
759000 Other Expenses 2,471,585.37 2,296,349.19 28,257,754.76 28,224,247.88 28,257,754.76 28,224,247.88
800000 Natural Gas Well Head Purchases 277,870.00 0.00 277,870.00 0.00 277,870.00
803000 Natural Gas Transmission Line Purchases 24,543,379.21 50,992,191.58 176,606,499.62 131,719,096.93 176,606,499.62 131,719,096.93
804000 Natural Gas City Gate Purchases - Others 1,273,179.04 2,445,891.07 51,500.00 2,445,891.07 51,500.00
805100 Purchased Gas Cost Adj - Utah & Wyoming 13,790,249.54 (530,483.09)(42,690,433.39)6,636,297.85 (42,690,433.39)6,636,297.85
806000 Exchanged Gas 2,069,212.09 (1,286,845.92)8,125,551.03 (7,182,597.75)8,125,551.03 (7,182,597.75)
808100 Gas Delivered to Underground Storage - Debit 10,209,887.15 10,133,716.20 66,081,905.53 78,944,240.12 66,081,905.53 78,944,240.12
808200 Gas Delivered to Underground Storage - Credit (646,858.85)(1,518,161.09)(67,879,869.64)(70,220,947.85)(67,879,869.64)(70,220,947.85)
808300 Working Gas 250,573.80 3,150,706.28 3,144,952.95 3,150,706.28 3,144,952.95
813000 Other Gas Supply Operations 19,416,884.54 15,560,622.13 243,689,386.48 264,046,009.72 243,689,386.48 264,046,009.72
858000 Transmission & Compression of Gas by Others 7,363,501.63 6,784,685.30 65,714,419.15 67,900,601.41 65,714,419.15 67,900,601.41
82,415,435.99 85,064,164.38 514,382,298.87 530,577,923.17 514,382,298.87 530,577,923.17
810000 Gas Used for Compr Station Fuel - Credit (2,660.00)(3,003.00)(10,767.00)(15,323.00)(10,767.00)(15,323.00)
812000 Gas Used for Other Util Operations - Credit (38,973.94)(68,581.56)(571,659.92)(871,563.91)(571,659.92)(871,563.91)
(41,633.94)(71,584.56)(582,426.92)(886,886.91)(582,426.92)(886,886.91)
82,373,802.05 84,992,579.82 513,799,871.95 529,691,036.26 513,799,871.95 529,691,036.26
Page 22
Total Gas Purchase Expenses
Production Expenses
Total Production Expenses
Total Gas Purchase and Production Expenses

Account Current Month Twelve Months Twelve Months
Gas Purchase Expenses
Questar Gas Company
Distribution Expenses December 2019
This Year Last Year This Year Last Year This Year Last Year
870 Operation Supervision and Engineering 510,776.08 351,227.46 474,473.01 318,301.56 36,303.07 32,925.90
871 Distribution Load Dispatching 111,272.32 132,246.93 108,074.99 128,400.73 3,197.33 3,846.20
874 Mains and Service Expenses 883,381.47 920,445.62 868,074.00 885,019.64 15,307.47 35,425.98
875 Measuring and Regulating Station Expenses 95,957.31 252,317.51 93,271.81 244,670.42 2,685.50 7,647.09
878 Meter and House Regulator Expenses 251,897.28 314,597.42 224,127.65 240,092.82 27,769.63 74,504.60
879 Customer Installations Expenses 195,438.66 247,032.73 187,561.62 236,404.92 7,877.04 10,627.81
880 Other Expenses 1,652,819.44 1,324,821.06 1,533,641.48 1,194,568.49 119,177.96 130,252.57
881 Rents 972.77 1,753.37 941.66 1,697.24 31.11 56.13
3,702,515.33 3,544,442.10 3,490,166.22 3,249,155.82 212,349.11 295,286.28
885 Maintenance Supervision and Engineering 23,492.15 23,492.15
887 Maintenance of Mains 639,496.44 688,920.85 639,302.77 687,512.19 193.67 1,408.66
888 Maintenance of Compressor Station Equip.284,454.64 98,055.71 280,461.27 94,927.73 3,993.37 3,127.98
889 Maintenance of Meas. & Reg. Station Equip.337.53 2,166.50 326.73 2,101.47 10.80 65.03
892 Maintenance of Services 68,763.51 117,160.43 66,751.17 115,573.18 2,012.34 1,587.25
893 Maintenance of Meters and House Regulators 156,562.31 15,246.70 154,224.62 57,895.00 2,337.69 (42,648.30)
1,173,106.58 921,550.19 1,164,558.71 958,009.57 8,547.87 (36,459.38)4,875,621.91 4,465,992.29 4,654,724.93 4,207,165.39 220,896.98 258,826.90
This Year Last Year This Year Last Year This Year Last Year
870 Operation Supervision and Engineering 7,186,256.16 6,775,549.98 6,723,678.80 6,305,722.69 462,577.36 469,827.29
871 Distribution Load Dispatching 1,455,029.05 1,581,630.75 1,412,482.97 1,535,693.92 42,546.08 45,936.83
874 Mains and Service Expenses 14,278,651.03 13,828,311.76 13,833,882.06 13,209,589.35 444,768.97 618,722.41
875 Measuring and Regulating Station Expenses 3,052,600.98 2,820,626.83 2,962,384.82 2,735,772.68 90,216.16 84,854.15
878 Meter and House Regulator Expenses 2,991,012.74 3,197,911.43 2,745,677.65 2,862,576.65 245,335.09 335,334.78
879 Customer Installations Expenses 2,101,300.68 2,498,167.01 2,044,615.00 2,390,883.58 56,685.68 107,283.43
880 Other Expenses 17,250,043.24 14,773,823.32 16,081,599.43 13,799,506.06 1,168,443.81 973,956.86
881 Rents 19,046.59 18,721.03 18,437.02 18,124.17 609.57 596.86
48,333,940.47 45,494,742.11 45,822,757.75 42,857,869.10 2,511,182.72 2,636,512.61
885 Maintenance Supervision and Engineering 73,453.79 73,453.79
887 Maintenance of Mains 8,079,650.96 8,317,004.63 8,063,959.09 8,284,448.98 15,691.87 32,555.65
888 Maintenance of Compressor Station Equip.3,522,576.39 1,147,794.75 3,474,321.52 1,111,180.10 48,254.87 36,614.65
889 Maintenance of Meas. & Reg. Station Equip.44,036.67 22,664.28 42,691.32 22,001.44 1,345.35 662.84
892 Maintenance of Services 1,022,250.02 1,266,854.76 964,309.78 1,212,218.00 57,940.24 54,636.76
893 Maintenance of Meters and House Regulators 692,765.56 752,603.89 644,974.97 723,207.35 47,790.59 29,396.54
13,434,733.39 11,506,922.31 13,263,710.47 11,353,055.87 171,022.92 153,866.44
61,768,673.86 57,001,664.42 59,086,468.22 54,210,924.97 2,682,205.64 2,790,379.05
This Year Last Year This Year Last Year This Year Last Year
870 Operation Supervision and Engineering 7,186,256.16 6,775,549.98 6,723,678.80 6,305,722.69 462,577.36 469,827.29
871 Distribution Load Dispatching 1,455,029.05 1,581,630.75 1,412,482.97 1,535,693.92 42,546.08 45,936.83
874 Mains and Service Expenses 14,278,651.03 13,828,311.76 13,833,882.06 13,209,589.35 444,768.97 618,722.41
875 Measuring and Regulating Station Expenses 3,052,600.98 2,820,626.83 2,962,384.82 2,735,772.68 90,216.16 84,854.15
878 Meter and House Regulator Expenses 2,991,012.74 3,197,911.43 2,745,677.65 2,862,576.65 245,335.09 335,334.78
879 Customer Installations Expenses 2,101,300.68 2,498,167.01 2,044,615.00 2,390,883.58 56,685.68 107,283.43
880 Other Expenses 17,250,043.24 14,773,823.32 16,081,599.43 13,799,506.06 1,168,443.81 973,956.86
881 Rents 19,046.59 18,721.03 18,437.02 18,124.17 609.57 596.86
48,333,940.47 45,494,742.11 45,822,757.75 42,857,869.10 2,511,182.72 2,636,512.61
885 Maintenance Supervision and Engineering 73,453.79 73,453.79
887 Maintenance of Mains 8,079,650.96 8,317,004.63 8,063,959.09 8,284,448.98 15,691.87 32,555.65
888 Maintenance of Compressor Station Equip.3,522,576.39 1,147,794.75 3,474,321.52 1,111,180.10 48,254.87 36,614.65
889 Maintenance of Meas. & Reg. Station Equip.44,036.67 22,664.28 42,691.32 22,001.44 1,345.35 662.84
892 Maintenance of Services 1,022,250.02 1,266,854.76 964,309.78 1,212,218.00 57,940.24 54,636.76
893 Maintenance of Meters and House Regulators 692,765.56 752,603.89 644,974.97 723,207.35 47,790.59 29,396.54
13,434,733.39 11,506,922.31 13,263,710.47 11,353,055.87 171,022.92 153,866.44
61,768,673.86 57,001,664.42 59,086,468.22 54,210,924.97 2,682,205.64 2,790,379.05
Page 23
Total Operation
Maintenance
Total Maintenance
Total Distribution Expenses

Account Total Utah Distribution Wyoming Distribution
Operation
Total OperationMaintenance
Total Maintenance
Total Distribution Expenses

Account Total Utah Distribution Wyoming Distribution
Operation
Total Operation
Maintenance
Total MaintenanceTotal Distribution Expenses

Account Total Utah Distribution Wyoming Distribution
Operation
Questar Gas Company
Customer Accounts Expense - Customer Service & Information Expense December 2019
This Year Last Year This Year Last Year This Year Last Year
901 Supervision 105,981.66 44,934.96 104,900.21 43,672.72 1,081.45 1,262.24
902 Meter Reading Expense 83,607.70 113,843.78 81,062.58 110,356.41 2,545.12 3,487.37
903001 Customer Records Expense 588,652.42 636,702.18 571,529.47 624,769.57 17,122.95 11,932.61
903002 Collection Expense 90,074.83 173,410.15 85,965.29 169,325.73 4,109.54 4,084.42
904 Uncollectible Accounts (318,850.66)(131,443.16)(479,863.22)(125,362.56)161,012.56 (6,080.60)
549,465.95 837,447.91 363,594.33 822,761.87 185,871.62 14,686.04
907 Supervision 17,900.39 32,786.42 17,413.93 31,887.77 486.46 898.65
908 Customer Assistance Expense 4,926,306.33 4,941,366.35 4,895,596.36 4,894,036.68 30,709.97 47,329.67
909 Info and Instructional Advertising Expense 490,337.99 4,183.23 485,525.29 3,493.12 4,812.70 690.11
5,434,544.71 4,978,336.00 5,398,535.58 4,929,417.57 36,009.13 48,918.43
5,984,010.66 5,815,783.91 5,762,129.91 5,752,179.44 221,880.75 63,604.47
This Year Last Year This Year Last Year This Year Last Year
901 Supervision 791,464.54 553,619.77 774,732.39 538,057.92 16,732.15 15,561.85
902 Meter Reading Expense 1,428,313.62 1,372,884.02 1,384,688.26 1,329,946.08 43,625.36 42,937.94
903001 Customer Records Expense 8,148,772.26 7,682,002.55 7,915,791.55 7,460,805.24 232,980.71 221,197.31
903002 Collection Expense 1,159,322.72 2,567,666.73 1,114,671.67 2,461,177.54 44,651.05 106,489.19
904 Uncollectible Accounts 1,509,342.21 1,651,763.47 1,283,466.54 1,597,271.71 225,875.67 54,491.76
13,037,215.35 13,827,936.54 12,473,350.41 13,387,258.49 563,864.94 440,678.05
907 Supervision 351,300.58 321,972.92 341,675.99 313,306.83 9,624.59 8,666.09
908 Customer Assistance Expense 30,164,576.09 26,101,820.03 29,851,543.50 25,858,903.25 313,032.59 242,916.78
909 Info and Instructional Advertising Expense 904,910.37 820,280.24 892,570.84 812,183.41 12,339.53 8,096.83
31,420,787.04 27,244,073.19 31,085,790.33 26,984,393.49 334,996.71 259,679.70
44,458,002.39 41,072,009.73 43,559,140.74 40,371,651.98 898,861.65 700,357.75
This Year Last Year This Year Last Year This Year Last Year
901 Supervision 791,464.54 553,619.77 774,732.39 538,057.92 16,732.15 15,561.85
902 Meter Reading Expense 1,428,313.62 1,372,884.02 1,384,688.26 1,329,946.08 43,625.36 42,937.94
903001 Customer Records Expense 8,148,772.26 7,682,002.55 7,915,791.55 7,460,805.24 232,980.71 221,197.31
903002 Collection Expense 1,159,322.72 2,567,666.73 1,114,671.67 2,461,177.54 44,651.05 106,489.19
904 Uncollectible Accounts 1,509,342.21 1,651,763.47 1,283,466.54 1,597,271.71 225,875.67 54,491.76
13,037,215.35 13,827,936.54 12,473,350.41 13,387,258.49 563,864.94 440,678.05
907 Supervision 351,300.58 321,972.92 341,675.99 313,306.83 9,624.59 8,666.09
908 Customer Assistance Expense 30,164,576.09 26,101,820.03 29,851,543.50 25,858,903.25 313,032.59 242,916.78
909 Info and Instructional Advertising Expense 904,910.37 820,280.24 892,570.84 812,183.41 12,339.53 8,096.83
31,420,787.04 27,244,073.19 31,085,790.33 26,984,393.49 334,996.71 259,679.70
44,458,002.39 41,072,009.73 43,559,140.74 40,371,651.98 898,861.65 700,357.75
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Total Customer Accounts Expense
Customer Service & Information Expense
Total Customer Service & Information Expense
Total Customer Accts - Customer Serv & Info Expense

Account Total Utah Distribution Wyoming Distribution
Customer Accounts Expense
Total Customer Accounts Expense
Customer Service & Information Expense
Total Customer Service & Information Expense
Total Customer Accts - Customer Serv & Info Expense

Account Total Utah Distribution Wyoming Distribution
Customer Accounts Expense
Total Customer Accounts Expense
Customer Service & Information Expense
Total Customer Service & Information Expense
Total Customer Accts - Customer Serv & Info Expense

Account Total Utah Distribution Wyoming Distribution
Customer Accounts Expense
Questar Gas Company
ADMINISTRATIVE AND GENERAL EXPENSES December 2019
This Year Last Year This Year Last Year This Year Last Year
920 Admin & General Salaries 463,208.25 786,122.35 448,617.51 747,791.31 14,590.74 38,331.04
921 Office Supplies & Expenses (205,026.66)(388,112.53)(197,637.40)(387,877.46)(7,389.26)(235.07)
922 Administrative Expense Transferred (777,843.99)(525,436.40)(752,797.41)(508,674.99)(25,046.58)(16,761.41)
923 Outside Services 2,875,882.08 3,127,323.61 2,803,902.04 3,020,541.99 71,980.04 106,781.62
924 Property Insurance 12,843.64 19,285.25 12,430.07 18,670.05 413.57 615.20
925 Injuries and Damages 144,272.25 143,680.80 139,312.51 139,097.38 4,959.74 4,583.42
926 Pensions and Benefits 294,201.39 (108,484.27)281,826.30 (102,133.53)12,375.09 (6,350.74)
930-2 Miscellaneous General Expenses 187,076.47 581,728.32 185,820.63 568,530.18 1,255.84 13,198.14
931 Rents 20,324.76 20,319.42 7,745.34 7,740.00 12,579.42 12,579.42
932 Maintenance of General Plant 63,068.81 215,540.40 63,068.81 214,620.23 920.17
3,078,007.00 3,871,966.95 2,992,288.40 3,718,305.16 85,718.60 153,661.79
This Year Last Year This Year Last Year This Year Last Year
920 Admin & General Salaries 18,234,123.67 1,097,075.25 17,866,414.52 916,270.02 367,709.15 180,805.23
921 Office Supplies & Expenses 3,250,628.43 3,151,107.18 3,141,152.81 2,911,020.85 109,475.62 240,086.33
922 Administrative Expense Transferred (13,534,565.99)(9,391,381.54)(13,101,950.89)(9,091,796.48)(432,615.10)(299,585.06)
923 Outside Services 38,123,548.45 37,477,588.66 36,957,900.76 36,113,776.82 1,165,647.69 1,363,811.84
924 Property Insurance 188,069.24 181,401.90 182,029.25 175,615.20 6,039.99 5,786.70
925 Injuries and Damages (53,061.96)1,669,385.48 (57,313.43)1,618,336.76 4,251.47 51,048.72
926 Pensions and Benefits 7,150,765.87 4,832,323.39 6,884,542.20 4,592,532.23 266,223.67 239,791.16
928 Regulatory Commission Expense 0.00 0.00
930-2 Miscellaneous General Expenses 2,841,513.80 6,077,988.03 2,805,210.56 5,945,862.82 36,303.24 132,125.21
931 Rents 244,000.45 281,954.61 93,047.41 129,947.76 150,953.04 152,006.85
932 Maintenance of General Plant 901,549.64 4,117,106.37 896,961.76 3,960,355.74 4,587.88 156,750.63
57,346,571.60 49,494,549.33 55,667,994.95 47,271,921.72 1,678,576.65 2,222,627.61
This Year Last Year This Year Last Year This Year Last Year
920 Admin & General Salaries 18,234,123.67 1,097,075.25 17,866,414.52 916,270.02 367,709.15 180,805.23
921 Office Supplies & Expenses 3,250,628.43 3,151,107.18 3,141,152.81 2,911,020.85 109,475.62 240,086.33
922 Administrative Expense Transferred (13,534,565.99)(9,391,381.54)(13,101,950.89)(9,091,796.48)(432,615.10)(299,585.06)
923 Outside Services 38,123,548.45 37,477,588.66 36,957,900.76 36,113,776.82 1,165,647.69 1,363,811.84
924 Property Insurance 188,069.24 181,401.90 182,029.25 175,615.20 6,039.99 5,786.70
925 Injuries and Damages (53,061.96)1,669,385.48 (57,313.43)1,618,336.76 4,251.47 51,048.72
926 Pensions and Benefits 7,150,765.87 4,832,323.39 6,884,542.20 4,592,532.23 266,223.67 239,791.16
928 Regulatory Commission Expense 0.00 0.00
930-2 Miscellaneous General Expenses 2,841,513.80 6,077,988.03 2,805,210.56 5,945,862.82 36,303.24 132,125.21
931 Rents 244,000.45 281,954.61 93,047.41 129,947.76 150,953.04 152,006.85
932 Maintenance of General Plant 901,549.64 4,117,106.37 896,961.76 3,960,355.74 4,587.88 156,750.63
57,346,571.60 49,494,549.33 55,667,994.95 47,271,921.72 1,678,576.65 2,222,627.61
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Total Administrative & General Expenses

Total Administrative & General Expenses

Account Total Utah Distribution Wyoming Distribution

Account Total Utah Distribution Wyoming Distribution
Account Total Utah Distribution Wyoming Distribution
Total Administrative & General Expenses