EXHIBIT 2.1 ASSET PURCHASE AGREEMENT THIS ASSET PURCHASE AGREEMENT (this "AGREEMENT"), dated as of July 27 2006 (the "EFFECTIVE DATE"), is by and between Cardinal Health PTS, LLC, a Delaware limited liability company ("SELLER"), and Adams Respiratory...Escrow Agreement • August 2nd, 2006 • Adams Respiratory Therapeutics, Inc. • Pharmaceutical preparations • Delaware
