LETTER AGREEMENT

Exhibit (e) 1.13

LETTER AGREEMENT

Xxxxxxx Fund Distributors, Inc.

000 X Xxxxxx

Xxxxxx, XX 00000

Re: Distribution Agreement

Pursuant to Introductory Section 1 of the Distribution Agreement between Xxxxxxx Investment Company (“RIC”) and Xxxxxxx Fund Distributors, Inc., dated January 1, 1999, RIC advises you that it is creating Class A Shares for the existing Diversified Equity Fund, Quantitative Equity Fund, Special Growth Fund, Real Estate Securities Fund, International Securities Fund, Emerging Markets Fund, Short Duration Bond Fund and Multistrategy Bond Fund (the “New Class”). RIC desires Xxxxxxx Fund Distributors, Inc. to serve as Distributor with respect to the New Class pursuant to the terms and conditions of the Distribution Agreement. The fees to be charged in return for the Distributor’s services are the same as in the Distribution Agreement.

Please indicate your acceptance to act as Distributor with respect to the New Class by executing this letter agreement and returning it to the undersigned.

Sincerely,

XXXXXXX INVESTMENT COMPANY

By:

Xxxx X. Xxxxxxx

Treasurer

Accepted this      day of              2007

XXXXXXX FUND DISTRIBUTORS, INC.

By:

Xxxx X. Xxxxx

President