AMENDMENT TO INVESTMENT ADVISORY AGREEMENT

AMENDMENT TO INVESTMENT ADVISORY AGREEMENT

This Amendment, effective April 30, 2011, is entered into by and between Xxxxxxx Variable Products, Inc. (formerly Summit Mutual Funds, Inc.) and Xxxxxxx Investment Management, Inc.

WHEREAS, Xxxxxxx Variable Products, Inc. and Xxxxxxx Asset Management Company, Inc. entered into an investment advisory agreement on December 12, 2008, and an addendum to the investment advisory agreement on May 10, 2011 (the “Agreements”); and

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

NOW, THEREFORE, it is hereby agreed that the Agreements are revised to reflect this name change of the investment adviser to “Xxxxxxx Investment Management, Inc.”

Date: April 30, 2011

Xxxxxxx Variable Products, Inc.

By:    /s/ Xxxxxxx X. Xxxxxxxxx

Name: Xxxxxxx X. Xxxxxxxxx

Title: Vice President and Secretary

Xxxxxxx Investment Management, Inc.

By:   /s/ Xxxxxx X. Xxxxxxxxxxx

Name: Xxxxxx X. Xxxxxxxxxxx

Title: Chief Financial and Administrative Officer

     and Senior Vice President