X0303 4 2011-05-25 0000709804 ADPT Corp ADPT 0001312995 Ruisi Lawrence 691 SOUTH MILPITAS BLVD MILPITAS CA 95035 1 0 0 0 Restricted Stock Units 0 2011-05-25 4 A 0 25000 0 A Common Stock 25000 25000 D Represents a Restricted Stock Unit from the Company's 2006 Director Plan for 25,000 shares of common stock that will be fully vested on the earlier of May 25, 2012 or the date in which the director ceases to be a member on the Company's Board of Directors for any reason. Not applicable. /s/ Lawrence Ruisi 2011-05-25