BASEL, Switzerland, July 26 /PRNewswire-FirstCall/ -- Roche (SWX: ROG.VX; RO.S), a world-leading healthcare provider of pharmaceuticals and diagnostics, announced today that it has extended its offer to acquire all of the outstanding common shares of Ventana Medical Systems, Inc. (Nasdaq: VMSI - News) to 5:00 p.m., New York City time on Thursday, August 23, 2007. The tender offer was previously scheduled to expire at 12:00 midnight, New York City time, on July 26, 2007. All other terms and conditions of the tender offer remain unchanged. As of the close of business on July 25, 2007, approximately 9,936 shares have been tendered pursuant to the offer.
