ST. LOUIS--(BUSINESS WIRE)--July 25, 2005--McKesson Corporation (NYSE:MCK) today announced that on July 22, 2005, the Federal Trade Commission granted early termination of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 related to the tender offer McKesson commenced, through a wholly owned subsidiary, on July 22, 2005, to purchase the outstanding shares of D&K Healthcare Resources, Inc. (NASDAQ:DKHR) at $14.50 net per share. The termination of this waiting period satisfies one of the conditions for McKesson’s proposed acquisition of D&K.