ValueAct Capital Master Fund, L.P.

ValueAct Capital Master Fund III, L.P.

January 29, 2008 17:00 ET

ValueAct Acquires Additional Shares of MDS Inc.

TORONTO, ONTARIO--(Marketwire - Jan. 29, 2008) - ValueAct Capital Master Fund, L.P. and ValueAct Capital Master Fund III, L.P. (together, "ValueAct Capital") announce that they acquired an aggregate of 2,380,500 common shares of MDS Inc., comprising approximately 1.9% of the outstanding common shares of MDS Inc., and that following such acquisition they collectively owned 22,907,700 common shares of MDS Inc., comprising approximately 18.7% of the outstanding common shares of MDS Inc. ValueAct Capital acquired the Shares via open market purchases on the Toronto Stock Exchange for investment purposes in the ordinary course of their business and they may, alone, together or together with other joint actors, further purchase, hold, vote, trade, dispose of or otherwise deal in the common shares of MDS Inc. at times, and in such manner, as they deem advisable.

A report containing additional information in respect to the foregoing may be obtained by calling Dorothea Walsh at (415) 249-1211.

Contact Information

  • ValueAct Capital Master Fund, L.P.
    and ValueAct Capital Master Fund III, L.P.
    Dorothea Walsh
    (415) 249-1211