Investment Advisory Agreement Calvert Asset Management Company, Inc. The Calvert Fund Addendum to Schedule A

Investment Advisory Agreement
Xxxxxxx Asset Management Company, Inc.
The Xxxxxxx Fund

Addendum to Schedule A

As compensation pursuant to Section 4 of the Investment Advisory Agreement between Xxxxxxx Asset Management Company, Inc. (the "Advisor") and The Xxxxxxx Fund ("TCF") dated March 1, 1999, with respect to Xxxxxxx Ultra-Short Floating Income Fund (the "Fund"), the Advisor is entitled to receive from the Fund an annual advisory fee (the "Fee") as shown below. The Fee shall be computed daily and payable monthly, based on the average daily net assets of the Fund.

Xxxxxxx Ultra-Short Floating Income Fund: 0.30%

Date: June 7, 2006