March 22, 2016
![](https://www.sec.gov/Archives/edgar/data/872825/000087282516000125/acihorizblk84.jpg)
March 22, 0000
Xxxxx Xxxxxx Bank and Trust Company
Xxxxxx Xxxxxx Building
000 Xxxxxxx Xxxxxx
Xxxxx Xxxxxx, Xxxxxxxxxxxxx 02 l 71
Location Code: JQBS
Attention: Xxxxxxx X. Xxxxxxx
Re: ADMINISTRATION AGREEMENT NEW PORTFOLIO
Ladies and Gentlemen:
Please be advised that AMERICAN CENTURY WORLD MUTUAL FUNDS, INC. has established a new series of shares to be known as AMERICAN CENTURY WORLD MUTUAL FUNDS, INC. EMERGING MARKETS SMALL CAP FUND (the "New Portfolio").
In accordance with Section I, the Appointment of Administrator provision, of the Administration Agreement dated as of July 29, 2011 (the "Administration Agreement") by and between American Century Investment Management, Inc. ("ACIM") and State Street Bank and Trust Company, the undersigned hereby requests that your bank act as Administrator for the New Portfolio under the terms of the Administration Agreement. In connection with such request, the undersigned hereby confirms to you, as of the date hereof, its representations and warranties set forth in the Administration Agreement. Capitalized terms used herein without definition shall have the meanings ascribed to them in the Administration Agreement.
Kindly indicate your acceptance of the foregoing by executing two copies of this letter agreement, returning one to ACIM and retaining one for your records.
Sincerely,
AMERICAN CENTURY INVESTMENT MANAGEMENT, INC. on
behalf of AMERICAN CENTURY WORLD MUTUAL FUNDS, INC. -
EMERGING MARKETS SMALL CAP
By: /s/ C. Xxxx Xxxx
Name: C. Xxxx Xxxx
Title: Vice President, Duly Authorized
![](https://www.sec.gov/Archives/edgar/data/872825/000087282516000125/acihorizblk84.jpg)
Agreed and Accepted:
STATE STREET BANK AND TRUST COMPANY
By: /s/ Xxxxxx Xxxxx
Name: Xxxxxx Xxxxx
Title: Executive Vice President, Duly Authorized
Effective Date: April 6, 2016