Filed under Rule 424(b)(2), Registration Statement No. 333-206284
Preliminary Pricing Supplement No. 128 - Dated Tuesday, December 27, 2016 (To: Prospectus dated August 10, 2015)
| CUSIP | Principal | Selling | Gross | Net | Coupon | Coupon | Coupon | Maturity | 1st Coupon | 1st Coupon | Survivor's | Product |
| Number | Amount | Price | Concession | Proceeds | Type | Rate | Frequency | Date | Date | Amount | Option | Ranking |
| 02006DLR0 | [] | 100.00 % (1) | 1.125 % | [] | Fixed | 3.400 % | Monthly | 01/15/2020 | 2/15/2017 | $3.68 | Yes | Senior Unsecured Notes |
Redemption Information: Callable at 100% on 1/15/2018 and Monthly thereafter with 30 Calendar Days Notice.
(1) Investment advisers, either registered under the Investment Advisers Act of 1940 or exempt therefrom, purchasing Notes for the account of their advisory clients may be offered Notes at a 0.4500 % discount to the public offering price.
| 02006DLS8 | [] | 100.00 % (2) | 1.700 % | [] | Fixed | 4.100 % | Monthly | 01/15/2022 | 2/15/2017 | $4.44 | Yes | Senior Unsecured Notes |
| Redemption Information: Callable at 100% on 1/15/2018 and Monthly thereafter with 30 Calendar Days Notice. | ||||||||||||
| (2) Investment advisers, either registered under the Investment Advisers Act of 1940 or exempt therefrom, purchasing Notes for the account of their advisory clients may be offered Notes at a 0.7500 % discount to the public offering price. | ||||||||||||
| Ally Financial Inc. | Offering Date: Tuesday, December 27, 2016 through Tuesday, January 3, 2017 Trade Date: Tuesday, January 3, 2017 @ 12:00 PM ET Settle Date: Friday, January 6, 2017 Minimum Denomination/Increments: $1,000.00/$1,000.00 Initial trades settle flat and clear SDFS: DTC Book Entry only DTC Number 0235 via RBC Dain Rauscher Inc
Agents: Incapital LLC, Citigroup, RBC Capital Markets, Morgan Stanley, J.P. Morgan
If the maturity date or an interest payment date for any note is not a business day (as term is defined in prospectus), principal, premium, if any, and interest for that note is paid on the next business day, and no interest will accrue from, and after, the maturity date or interest payment date. |
Ally Financial Inc. Ally Financial Term Notes, Series A Prospectus dated August 10, 2015
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