Celestica Inc. and Manufacturers' Services Limited Stockholder Agreement dated October 14, 2003.

Celestica Inc., MSL Acquisition Sub Inc., and several entities listed in Exhibit I have entered into a Stockholder Agreement dated October 14, 2003. The agreement relates to the proposed merger between Celestica Inc., MSL Acquisition Sub Inc., and Manufacturers' Services Limited, as outlined in the Agreement and Plan of Merger. The Stockholder Agreement focuses on the rights and obligations of the Stockholders, including the transfer of shares and voting rights.