Addendum to Distribution Agreement dated December 5, 2001 Calvert Distributors, Inc. The Calvert Fund Addendum to Schedule II

Addendum to Distribution Agreement dated December 5, 2001
Xxxxxxx Distributors, Inc.
The Xxxxxxx Fund

Addendum to Schedule II

Fees are expressed as a percentage of average annual daily net assets and are payable monthly.

Distribution Fee

The Xxxxxxx Fund
     Xxxxxxx Income Fund

Class Y

N/A

The Xxxxxxx Fund
     Xxxxxxx Short Duration Income Fund

Class Y

N/A

Schedule III

Fees are expressed as a percentage of average annual daily net assets and are payable monthly.

Service Fee

The Xxxxxxx Fund
     Xxxxxxx Income Fund

Class Y

N/A

The Xxxxxxx Fund
     Xxxxxxx Short Duration Income Fund

Class Y

N/A

Date: December 5, 2007