Achillion Pharmaceuticals Announces Closing of Public Offering of Common Stock

NEW HAVEN, Conn., Feb. 18, 2015 (GLOBE NEWSWIRE) -- Achillion Pharmaceuticals, Inc. (Nasdaq:ACHN) announced today the closing of its previously announced public offering of common stock. Achillion sold 13,800,000 shares of its common stock in the offering at a price to the public of $10.25 per share, including the exercise in full by the underwriters of their option to purchase an additional 1,800,000 shares of common stock at the public offering price. Achillion received net proceeds of approximately $132.7 million, after deducting underwriting discounts and commissions and estimated offering expenses.

Leerink Partners LLC and Deutsche Bank Securities Inc. acted as joint book-running managers, Wells Fargo Securities, LLC acted as lead manager, and JMP Securities LLC acted as co-manager for the offering.

The offering was made by Achillion pursuant to a shelf registration statement previously filed with and declared effective by the Securities and Exchange Commission ("SEC"). A prospectus supplement relating to and describing the terms of the offering has been filed with the SEC and is available on the SEC's web site at Copies of the prospectus supplement and the accompanying prospectus relating to this offering can be obtained from Leerink Partners LLC, Attention: Syndicate Department, One Federal Street, 37th Floor, Boston, MA, 02110, or by phone at 1-800-808-7525, ext. 6142, or by email at or from Deutsche Bank Securities Inc., Attention: Prospectus Group, 60 Wall Street, New York, NY 10005-2836, or by phone at 1-800-503-4611, or by email at

This press release shall not constitute an offer to sell, or the solicitation of an offer to buy, nor will there be any sale of, these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of such state or other jurisdiction.

About Achillion Pharmaceuticals

Achillion is an innovative pharmaceutical company dedicated to bringing important new treatments to patients with infectious disease. Achillion's pipeline is currently focused on small molecule therapeutics for infectious disease and complement-related diseases.

Cautionary Note Regarding Forward-Looking Statements

This press release includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that are subject to risks, uncertainties and other important factors that could cause actual results to differ materially from those indicated by such forward-looking statements, including statements with respect to Achillion's plans to consummate its proposed public offering. Achillion may use words such as "expect," "anticipate," "project," "intend," "plan," "aim," "believe," "seek," " estimate," "can," "focus," "will," and "may" and similar expressions to identify such forward-looking statements. Among the important factors that could cause actual results to differ materially from those indicated by such forward-looking statements are risks relating to, among other things, Achillion's business and financial condition and the impact of general economic, industry or political conditions in the United States or internationally. These and other risks are described in the reports filed by Achillion with the SEC, including under the caption "Risk Factors" included in Achillion's current report on Form 8-K filed with the SEC on February 11, 2015, Achillion's prospectus supplement filed with the SEC on February 12, 2015, and in other filings that Achillion makes with the SEC.

In addition, any forward-looking statement in this press release represents Achillion's views only as of the date of this press release and should not be relied upon as representing its views as of any subsequent date. Achillion disclaims any duty to update any forward-looking statement, except as required by applicable law.

CONTACT: Company Contact: Glenn Schulman Achillion Pharmaceuticals, Inc. Tel. (203) 624-7000 Investors: Mary Kay Fenton Achillion Pharmaceuticals, Inc. Tel. (203) 624-7000 Investors: Tricia Truehart The Trout Group, LLC Tel. (646) 378-2953

Source:Achillion Pharmaceuticals, Inc.