Merge Healthcare subsidiary extends tender offer period for AMICAS shares

Merge Healthcare Incorporated (NASDAQ: MRGE) ("Merge Healthcare") and AMICAS, Inc. (NASDAQ: AMCS) ("AMICAS") today announced that the tender offer (the "Offer") by Project Ready Corp., a wholly-owned subsidiary of Merge Healthcare ("Project Ready"), for all of the outstanding shares of AMICAS common stock has been extended to 5:00 p.m., New York City, New York time, on Friday, April 23, 2010, unless further extended.

As of the scheduled expiration of the Offer at 12:00 p.m. midnight, New York City, New York time, at the end of Thursday, April 15, 2010, a total of 33,297,311 shares of AMICAS common stock, representing approximately 89.8% of the outstanding shares of AMICAS common stock, had been validly tendered. The six business day extension of the Offer is less than the ten business day extension permitted under the merger agreement between Merge Healthcare, Project Ready Corp. and AMICAS as a result of the tender of less than 90% of the outstanding shares of AMICAS common stock.

Merge Healthcare expects to close the Offer on or about April 28, 2010.