Exhibit (g)(16)

AllianceBernstein Cap Fund, Inc.1345 Avenue of the Americas New York, NY 10105

State Street Bank and Trust Company

State Street Financial Center

One Lincoln Street

Boston, MA 02111

Attention: Guthrie Falzone, Vice President

Re: AB Cap Fund, Inc. (the "Fund")

Ladies and Gentlemen:

Please be advised that the undersigned Fund has established a new series of shares to be known as AB Concentrated International Growth Portfolio (the "Portfolio").

In accordance with Section 18.6, the Additional Portfolios provision, of the Master Custodian Agreement dated as of August 3, 2009 by and among each management investment company party thereto and State Street Bank and Trust Company, the undersigned Fund hereby requests that your bank act as Custodian for the aforementioned Portfolio under the terms of the aforementioned contract. 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 aforementioned contract.

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,
AB CAP FUND, INC.
on behalf of:
AB Concentrated International Growth Portfolio
By:	/s/ Stephen J. Laffey
Name:   Stephen J. Laffey
Title:     Assistant Secretary, Duly Authorized

Agreed and Accepted:
STATE STREET BANK AND TRUST COMPANY
By:	/s/ Gunjan Kedia
Name:  Gunjan Kedia
Title:     Executive Vice President, Duly Authorized

Effective Date: April 15, 2015