X0202 4 2007-03-19 0 0001003113 MOLECULAR DEVICES CORP MDCC 0001008891 BOWMAN A BLAINE 1311 ORLEANS DRIVE SUNNYVALE CA 94089 1 0 0 0 Common Stock 2007-03-19 4 U 0 40000 35.5000 D 0.0000 D Tendered to Monument Acquisition Corp., an indirect wholly owned subsidiary of MDS Inc., in response to the tender offer made under the Agreement and Plan of Merger, dated as of January 28, 2007, by and among Molecular Devices Corporation, MDS Inc. and Monument Acquisition Corp /s/ Bowman, A. Blaine 2007-03-20