Issuer: Idaho Power Company Trade Date: March 13, 2018 Original Issue Date/Settlement Date: March 16, 2018, which is the third business day following the Trade Date. Under Rule 15c6-1 under the Exchange Act, trades in the secondary market generally are required to settle in two business days, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade the Notes on any date prior to two business days before delivery will be required to specify an alternate settlement cycle at the time of any such trade to prevent a failed settlement. Principal Amount: $220,000,000 Price to Public: 99.630% of Principal Amount, plus accrued interest from the Original Issue Date Purchasers’ Discount: 0.750% Proceeds to the Company: 98.880% Interest Rate: 4.20% per annum Anticipated Ratings:* Standard & Poor’s Ratings Services: “A-” Moody’s Investors Service: “A1” Anticipated Use of Proceeds: To pay at or prior to maturity $130 million of Idaho Power Company’s 4.5% First Mortgage Bonds due March 2020 and to fund a portion of Idaho Power Company’s capital requirements. If Idaho Power Company does not use the net proceeds immediately, it will temporarily invest them in short-term investments. | | | | Interest Payment Dates: March 1 and September 1, commencing September 1, 2018 Redemption: As specified in Pricing Supplement No. 1 dated March 13, 2018 Make-whole Call: Prior to September 1, 2047, the greater of (i) 100% of the principal amount to be redeemed and (ii) an amount to be determined using a discount rate equal to the Treasury Rate plus 20 basis points Par Call: On or after September 1, 2047, 100% of the principal amount to be redeemed Maturity Date: March 1, 2048 CUSIP: 45138LBF9 Purchasers: J.P. Morgan Securities LLC ($57,200,000) Wells Fargo Securities, LLC ($52,800,000) KeyBanc Capital Markets Inc. ($30,800,000) Merrill Lynch, Pierce, Fenner & Smith Incorporated ($30,800,000) MUFG Securities Americas Inc. ($30,800,000) U.S. Bancorp Investments, Inc. ($13,200,000) BNY Mellon Capital Markets, LLC ($4,400,000) |