November 15, 2011

		November 15, 2011

State Street Bank and Trust Company

801 Pennsylvania

Kansas City, MO 64105

Attention:  Xxxx Xxxxxxxxx

Re:  ARIEL INVESTMENT TRUST (the “Trust”)

Ladies and Gentlemen:

Please be advised that the undersigned Trust has established a new series of shares to be known as Ariel Global Equity Fund.

In accordance with Section 9.B., the Additional Portfolios provision, of the Custody Agreement dated as of August 19, 1994 by and between the Fund and State Street Bank and Trust Company (formerly Investors Fiduciary Trust Company), the undersigned Trust hereby requests that your bank act as Custodian for the Ariel Global Equity Fund under the terms of the aforementioned contract. In connection with such request, the undersigned Trust hereby confirms to you, as of the date hereof, its representations and warranties set forth in Section 2 of the aforementioned contract.

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

Sincerely,

ARIEL INVESTMENT TRUST

 on behalf of

 Ariel Global Equity Fund

By:  /s/ Xxxxx X. Xxxxxxxxx

Name:   Xxxxx X. Xxxxxxxxx

Title:  Duly Authorized

Agreed and Accepted:

STATE STREET BANK AND TRUST COMPANY

By:  /s/ Xxxx Xxxxxxxxx

Name:  Xxxx Xxxxxxxxx

Title:    Senior Vice President, Duly Authorized

Effective Date:  Dec. 5  , 2011

000 Xxxx Xxxxxxxx Xxxxx, Xxxxx 0000

Chicago, Illinois 60601

000.000.0000

3I2.726.7473 fax

xxxxxxxxxxxxxxxx.xxx