Shires Hart-Scott-Rodino Waiting Period Expires for Acquisition of ViroPharma

Shire plc SHPG announces that the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (HSR) relating to its previously announced tender offer by a wholly owned subsidiary of Shire for all outstanding shares of ViroPharma Incorporated VPHM expired at 11:59 p.m., Eastern U.S. time, on December 10, 2013.  The expiration of the HSR waiting period satisfies one of the conditions to the tender offer. The tender offer remains subject to certain other conditions set forth in the offer to purchase, including the termination of review or approval of the transaction by the United Kingdom Office of Fair Trading and the satisfaction of the minimum tender condition.  The tender offer is scheduled to expire at 6:00 p.m., Eastern U.S. time, on Thursday, December 26, 2013, unless the tender offer is extended. See full press release