| Issuer: | Indiana Michigan Power Company |
| Expected Ratings*: | Baa1 (positive) by Moody’s Investors Service, Inc. A- (stable) by S&P Global Ratings |
| Designation: | Senior Notes, Series L, due 2047 |
| Principal Amount: | $300,000,000 |
| Maturity: | July 1, 2047 |
| Coupon: | 3.75% |
| Interest Payment Dates: | January 1 and July 1 |
| First Interest Payment Date: | January 1, 2018 |
| Treasury Benchmark: | 3.00% due February 15, 2047 |
| Treasury Yield: | 2.689% |
| Reoffer Spread: | T+ 110 basis points |
| Yield to Maturity: | 3.789% |
| Price to Public: | 99.304% of the principal amount thereof |
| Transaction Date: | June 26, 2017 |
| Settlement Date: | June 29, 2017 (T+3) |
| Redemption Terms: | |
| Make-whole call: | Prior to January 1, 2047 at a discount rate of the Treasury Rate plus 20 basis points |
| Par call: | On or after January 1, 2047 at par |
| Minimum Denomination: | $2,000 and integral multiples of $1,000 in excess thereof |
| CUSIP/ISIN: | 454889 AR7 / US454889AR79 |
| Joint Book-Running Managers: | Citigroup Global Markets Inc. MUFG Securities Americas Inc. Scotia Capital (USA) Inc. UBS Securities LLC |
