AMENDMENT TO DISTRIBUTION AGREEMENT

AMENDMENT TO DISTRIBUTION AGREEMENT

This Amendment, effective on the date set forth below, is entered into by and between EACH XXXXXXX FUND LISTED IN THE SCHEDULE OF FUNDS ATTACHED HERETO AS SCHEDULE I (each a “Fund” and together the “Funds”) and Xxxxxxx Investment Distributors, Inc.

WHEREAS, on October 31, 2006, each Fund and Xxxxxxx Distributors, Inc. entered into an amended distribution agreement (“Agreement”); and

WHEREAS, effective April 30, 2011, Xxxxxxx Distributors, Inc. changed its name to “Xxxxxxx Investment Distributors, Inc.”;

NOW, THEREFORE, it is hereby agreed that the Agreement is revised to reflect this name change of the administrator to “Xxxxxxx Investment Distributors, Inc.”

Date: March 14, 2012

EACH FUND LISTED IN THE ATTACHED SCHEDULE I

By:  /s/ Xxxxxxx X. Xxxxxxxxx

Name: Xxxxxxx X. Xxxxxxxxx

Title: Vice President and Secretary

Xxxxxxx Investment Distributors, Inc.

By:  /s/ Xxxxxx X. Xxxxxxxxxxx

Name: Xxxxxx X. Xxxxxxxxxxx

Title:   Executive Vice President, Chief Financial

      and Administrative Officer

AMENDMENT TO DISTRIBUTION AGREEMENT

SCHEDULE I

The Xxxxxxx Fund

Xxxxxxx Tax-Free Reserves

Xxxxxxx Social Investment Fund

Xxxxxxx World Values Fund, Inc.

First Variable Rate Fund for Government Income

Xxxxxxx Social Index Series, Inc.

Xxxxxxx Impact Fund, Inc.

Xxxxxxx XXXX Fund