X0303 4 2011-04-13 1 0000716646 CLINICAL DATA INC CLDA 0001109753 BELBEL CAESAR J C/O CLINICAL DATA, INC. ONE GATEWAY CENTER, SUITE 702 NEWTON MA 02458 0 1 0 0 EVP, Chief Legal Officer Stock Option (right to buy) 3.21 2011-04-13 4 D 0 1059 26.79 D 2013-05-07 Common Stock 1059 0 D Stock Option (right to buy) 14.23 2011-04-13 4 D 0 12000 15.77 D 2015-09-23 Common Stock 12000 0 D Stock Option (right to buy) 11.93 2011-04-13 4 D 0 75000 18.07 D 2015-10-17 Common Stock 75000 0 D Stock Option (right to buy) 12.37 2011-04-13 4 D 0 90000 17.63 D 2016-05-12 Common Stock 90000 0 D Stock Option (right to buy) 10.73 2011-04-13 4 D 0 4545 19.27 D 2016-06-22 Common Stock 4545 0 D Stock Option (right to buy) 14.99 2011-04-13 4 D 0 45000 15.01 D 2017-06-14 Common Stock 45000 0 D Stock Option (right to buy) 16.95 2011-04-13 4 D 0 50000 13.05 D 2018-04-17 Common Stock 50000 0 D Stock Option (right to buy) 8.78 2011-04-13 4 D 0 65000 21.22 D 2018-12-22 Common Stock 65000 0 D Stock Option (right to buy) 18.39 2011-04-13 4 D 0 75000 11.61 D 2019-12-21 Common Stock 75000 0 D Stock Option (right to buy) 16.54 2011-04-13 4 D 0 75000 13.46 D 2020-12-22 Common Stock 75000 0 D This option, whether fully vested or not, was terminated upon the completion of the merger of Magnolia Acquisition Corp. with and into Clinical Data, Inc. pursuant to the Agreement and Plan of Merger dated February 22, 2011, as amended on April 4, 2011. Pursuant to the Agreement and Plan of Merger, the option was converted into the right to receive $30.00 per share (minus the exercise price of the option) in cash plus contingent consideration of up to $6.00 per share that may be paid upon achievement of certain commercial milestones, subject to any applicable tax withholdings. /s/ Caesar J. Belbel 2011-04-14