X0303 4 2009-11-03 0000310158 Merck & Co. Inc. MRK 0001423419 Thompson Craig B. ONE MERCK DRIVE WHITEHOUSE STATION NJ 08889-0100 1 Common Stock 2009-11-03 4 A 0 5814 0 A 5814 D Common Stock 2009-11-03 4 D 0 2462 0 D 3352 D Pursuant to the Agreement and Plan of Merger ("Merger Agreement") by and among, inter alia, Merck & Co., Inc., formerly Schering-Plough Corporation, ("New Merck") and Merck Sharp & Dohme Corp., formerly Merck & Co., Inc., and upon the completion of the transactions contemplated therein (the "Transactions"), each common share of Schering-Plough Corporation common stock was converted into 0.5767 shares of New Merck common stock and $10.50 in cash. Any fractional share holdings were paid in cash pursuant to a formula in the Merger Agreement. Debra A. Bollwage as Attorney-in-Fact for Craig B. Thompson 2009-11-05