Issuer: Idaho Power Company Trade Date: August 25, 2010 Original Issue Date/Settlement Date: August 30, 2010, which is the third business day following the Trade Date Principal Amount: $100,000,000 Price to Public: 99.501% of Principal Amount, plus accrued interest from the Original Issue Date Purchasers’ Discount: 0.625% Proceeds to the Company: 98.876% Interest Rate: 3.40% per annum Anticipated Ratings:* Standard & Poor’s Ratings Services: “A-” Moody’s Investors Service: “A2” Fitch Ratings: “A-” | Interest Payment Dates: November 1 and May 1, commencing November 1, 2010 Redemption: As specified in Pricing Supplement No. 1 dated August 25, 2010 Make-whole Call: Prior to August 1, 2020, 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 15 basis points Par Call: On or after August 1, 2020, 100% of the principal amount to be redeemed Maturity Date: November 1, 2020 CUSIP: 45138LAX1 Purchasers: Banc of America Securities LLC ($27,500,000) J.P. Morgan Securities Inc. ($25,000,000) Wells Fargo Securities, LLC ($25,000,000) Mitsubishi UFJ Securities (USA), Inc. ($10,500,000) KeyBanc Capital Markets Inc. ($3,000,000) RBC Capital Markets Corporation ($3,000,000) SunTrust Robinson Humphrey, Inc. ($3,000,000) U.S. Bancorp Investments, Inc. ($3,000,000) | |