X0303 4 2009-11-03 0000310158 Merck & Co. Inc. MRK 0001255835 JACOBSON HARRY R D-3300 MEDICAL CENTER NORTH GARLAND AVENUE NASHVILLE TN 37232 1 Common Stock 2009-11-03 4 A 0 3829 0 A 3829 D Preferred Stock 2009-11-03 4 D 0 34 0 D 44 D Phantom Stock 0 2009-11-03 4 A 0 4211.4175 0 A Common Stock 4211.4175 4211.4175 D Stock Option (right to buy) 38.04 2009-11-03 4 A 0 5000 0 A 2009-04-30 2018-04-29 Common Stock 5000 5000 D Stock Option (right to buy) 24.3 2009-11-03 4 A 0 5000 0 A 2010-05-01 2019-04-30 Common Stock 5000 5000 D Received in exchange for an equivalent number of shares of Merck Sharp & Dohme Corp. (formerly Merck & Co., Inc.) ("MSD") common stock in connection with the completion of transactions contemplated by the Agreement and Plan of Merger by and among, inter alia, MSD and Merck & Co., Inc. (formerly Schering-Plough Corporation) (the "Transactions"). 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. Each share of phantom stock is the economic equivalent of one share of Merck & Co., Inc. Common Stock, pursuant to the Plan for Deferred Payment of Directors Compensation, and was exchanged for an equal number of shares of phantom stock of MSD in connection with the Transactions. This option, which vests in three equal annual installments beginning one year from date of grant, was assumed in the Transaction and continued on the same terms and conditions for an option to purchase an equivalent number of shares of MSD common stock at the same exercise price as applied prior to the merger. Debra A. Bollwage as Attorney-in-Fact for Harry R. Jacobson 2009-11-05