X0203 3 2009-11-03 1 0000310158 Merck & Co. Inc. MRK 0001464680 Cech Thomas R UNIVERSITY OF COLORADO, BOULDER DEPT. OF CHEMISTRY & BIOCHEMISTRY BOULDER CO 80309 1 No securities are beneficially owned, cechpoa.TXT Debra A. Bollwage as Attorney-in-Fact for Thomas R. Cech 2009-11-04