LETTER AGREEMENT

LETTER AGREEMENT

State Street Bank and Trust Company

X.X. Xxx 0000

Xxxxxx, XX 00000

Re: Amended and Restated Yield Calculation Services Agreement

Pursuant to Section 10 of the Amended and Restated Yield Calculation Services Agreement of Xxxxxxx Investment Company (“RIC”), dated August 1, 2006, RIC advises you that it is creating two new funds to be named the 2020 Retirement Distribution Fund – Shares and the 2020 Retirement Distribution Fund – S Shares (the “New Funds”). RIC desires for State Street Bank and Trust Company to compute the performance results of each class of the New Funds pursuant to the terms and conditions of the Amended and Restated Yield Calculation Service Agreement. The fees to be charged by you in return for your services are set forth in the Amended and Restated Yield Calculation Services Agreement.

Please indicate your acceptance to amend the Amended and Restated Yield Calculation Service Agreement by executing this letter agreement and returning it to the undersigned.

Sincerely,

XXXXXXX INVESTMENT COMPANY

By:

Xxxx X. Xxxxxxx

Treasurer

Accepted this          day of                      .

STATE STREET BANK AND TRUST COMPANY

By:

Its: