X0303 4 2010-02-25 0 0000892025 MARTEK BIOSCIENCES CORP MATK 0001484060 Siewert Cyrill 6480 DOBBIN ROAD COLUMBIA MD 21045 0 1 0 0 CEO Amerifit Brands Inc. Restricted Stock Units 2010-02-25 4 A 0 8991 0.00 A Common Stock 8991 8991 D Each restricted stock unit represents a contingent right to receive one share of Martek common stock. The restricted stock units vest in five equal installments, with the first vesting date on March 19, 2011 and annually thereafter, subject to accelerated vesting upon the fulfillment of certain performance conditions. Once vested, restricted stock units may be: (i) settled in an equal number of shares of Martek common stock, or (ii) deferred under Martek's Amended and Restated 2004 Stock Incentive Plan. /s/ David M. Feitel By: David M. Feitel Attorney-in-fact Cyrill Siewert 2010-03-01