20160812Chiles Exhibit 3.pdf

Ronald L. Williams, ISB No. 3034
Williams Bradbury, P.C.
1015 W. Hays St.
Boise, ID 83702
Telephone: [phone]
Email: [e-mail]

Attorneys for Intermountain Gas Company

BEFORE THE IDAHO PUBLIC UTILITES COMMISSION

IN THE MATTER OF THE APPLICATION OF
INTERMOUNTAIN GAS COMPANY FOR
THE AUTHORITY TO CHANGE ITS RATES
AND CHARGES FOR NATURAL GAS
SERVICE TO NATURAL GAS CUSTOMERS
IN THE STATE OF IDAHO

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Case No. INT-G-16-02

EXHIBIT 03

Annual
Interest
Description Due Date Interest Rate Original Balance Average Balance Expense
TIAA Senior notes 9/18/2018 7.26%58,000,000             14,315,818             1,039,328.38            7.26%
TIAA Series A 10/30/2025 4.08%25,000,000             25,000,000             1,020,000.00            4.08%
TIAA Series B 10/30/2028 4.33%25,000,000             25,000,000             1,082,500.00            4.33%
2016 LT Issuance 9/15/2046 4.50%50,000,000             50,000,000             2,250,000.00            4.50%
U.S. Bank LOC 7/13/2018 Varies ‐                           ‐                            88,019.89                *
Debt amortization 170,325.00               
114,315,818           5,650,173.27            4.94%
* represents the annual commitment fee for the operating line‐of‐credit.
TIAA Senior Notes
Balance Days Outstanding Rate Interest
15,818,184              261                           7.26% 821,184.77             
10,545,457              104                           7.26% 218,143.61             
1,039,328.38          
Monthly Debt Amortization Expense
Amort Bank of America Oct 18, 2010 5,522.97                  
Amort 1st Mort bond series I‐91 62.00                       
Amort 1st Mort bond series J‐94 206.00                     
Amort 1st Mort bond series K‐94 116.00                     
Amort 1st Mort bond series L‐99 920.00                     
Amort 1st Mort bond series M‐97 3,478.00                  
Amort Sr debent due 11‐15‐09 733.00                     
Amort Sr debent due 11‐15‐13 503.00                     
Amort 1st Mort bond series K‐94 1,263.89                  
2016 LT Issuance (est cost of $500k)1,388.89                  
14,193.75               
Annualized 12.00                       
Annual Debt Amortization Expense 170,325.00             
Intermountain Gas Company
Calculation of Debt Interest Costs
Exhibit No. 03
Case No. INT-G-16-02
M. Chiles, IGC
p. 1 of 2
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Exhibit No. 03
Case No. INT-G-16-02
M. Chiles, IGC
p. 2 of 2