September 8, 2014

September 8, 2014

State Street Bank and Trust Company

Xxxxxx Xxxxxx Building

000 Xxxxxxx Xxxxxx

North Quincy, Massachusetts 02171

Location Code: JQB5

Attention: Xxxxxxx X. Xxxxxxx

Re: Master Custodian Agreement - New Portfolios

Ladies and Gentlemen:

Please be advised that the undersigned Fund has established a new series of shares to be known as AMERICAN CENTURY STRATEGIC ASSET ALLOCATIONS, INC. - MULTI-ASSET INCOME FUND. (the “New Portfolio”).

In accordance with Section 18.6, the Additional Portfolios provision, of the Master Custodian Agreement dated as of July 29, 2011 (the “Custodian Agreement”) by and among each Fund party thereto and State Street Bank and Trust Company, the undersigned Fund hereby requests that your bank act as Custodian for the respective New Portfolio under the terms of the Custodian Agreement. In connection with such request, the undersigned Fund hereby confirms to you, as of the date hereof, its representations and warranties set forth in Section 18.7 of the Custodian Agreement. Capitalized terms used herein without definition shall have the meanings ascribed to them in the Custodian Agreement.

Kindly indicate your acceptance of the foregoing by executing two copies of this letter agreement, returning one to the Fund and retaining one for your records.

Sincerely,

AMERICAN CENTURY STRATEGIC ASSET ALLOCATIONS, INC. on behalf of the New Portfolio.

By: /s/ X. Xxxx Xxxx

Name: X. Xxxx Xxxx

Title: Vice President, Duly Authorized

Agreed and Accepted:

STATE STREET BANK AND TRUST COMPANY

By: _/s/ Xxxxxxx X. Xxxxxx________________________

Name: Xxxxxxx X. Xxxxxx

Title: Executive Vice President, Duly Authorized

Effective Date: December 1, 2014