Merge Healthcare (NASDAQ: MRGE) (“Merge”), a health IT solutions provider, and etrials Worldwide, Inc. (NASDAQ: ETWC) (“etrials”), a provider of clinical trials software and services, announced today that Merge has commenced an exchange offer for all of the outstanding shares of etrials’ common stock pursuant to their previously announced definitive merger agreement dated May 30, 2009, under which Merge will acquire etrials. Subject to the terms and conditions of the exchange offer, etrials’ stockholders who validly tender their shares will receive for each share of etrials common stock they tender in the exchange offer (i) $0.80 in cash, without interest, and (ii) 0.3448 shares of Merge common stock.

The exchange offer is scheduled to expire at 12:00 midnight, New York City time, at the end of Tuesday, July 14, 2009, unless extended. The terms and conditions of the exchange offer are described in the exchange offer documents, which have been mailed to etrials’ stockholders and filed with the Securities and Exchange Commission (“SEC”). The exchange offer is subject to customary closing conditions, including the tender in the exchange offer by etrials’ stockholders of shares representing at least a majority of the outstanding shares of etrials’ common stock on a fully diluted basis.

About the Transaction

In connection with the exchange offer described herein, on June 16, 2009, Merge filed with the SEC a registration statement on Form S-4 and a tender offer statement on Schedule TO setting forth in detail the terms of the exchange offer. On June 16, 2009, etrials filed with the SEC a solicitation/recommendation statement on Schedule 14D-9 setting forth in detail, among other things, the recommendation of etrials’ board of directors that etrials stockholders tender their shares pursuant to the exchange offer. These documents contain important information about the transaction, and investors and security holders are urged to read them carefully before making any decision with respect to the exchange offer. Investors and security holders can obtain free copies of the registration statement on Form S-4, Schedule TO, Schedule 14D-9 and other filings containing information about Merge and etrials, without charge, at the SEC’s website (http://www.sec.gov).