BRISBANE, Calif., Nov. 4, 2013 /PRNewswire/ -- InterMune, Inc. (NASDAQ: ITMN) today announced that it plans to offer, subject to market and other conditions, 6,500,000 shares of its common stock in an underwritten public offering. The company expects to grant the underwriters a 30-day option to purchase up to an additional 975,000 shares of common stock in connection with the offering. All of the shares in the offering will be sold by InterMune. The shares will be issued pursuant to a prospectus supplement filed as part of a shelf registration statement previously filed with the Securities and Exchange Commission (SEC) on Form S-3. InterMune intends to use the net proceeds from the offering to fund the commercialization of Esbriet® (pirfenidone) and its ASCEND clinical trial for U.S. registration of Esbriet, to advance the company's strategic initiatives including its new Esbriet formulations, its recently launched clinical trials supporting the use of Esbriet in idiopathic pulmonary fibrosis (IPF) and in potential new indications, its expanding anti-fibrotic research program with compounds intended to address IPF and other fibrotic diseases, and for general corporate purposes. Goldman, Sachs & Co. and J. P. Morgan Securities LLC are acting as joint book-running managers of the proposed offering. The common stock offering will be conducted by means of a prospectus supplement filed as part of an effective shelf registration statement filed with the Securities and Exchange Commission (SEC) on Form S-3. Before investing in the offering, interested parties may read the prospectus supplement and the accompanying prospectus for such offering and the other documents InterMune has filed with the SEC, which are incorporated by reference in the prospectus supplement and the accompanying prospectus and provide more complete information about InterMune and the offering. Copies of the preliminary prospectus supplement and the accompanying prospectus relating to the offering may be obtained, when available, from Goldman, Sachs & Co. (Attn: Prospectus Department, 200 West Street, New York, New York 10282, Fax: 212-902-9316 or Email at email@example.com or by calling 1-866-471-2526) or J.P. Morgan Securities LLC (c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717 or by calling 866-803-9204). Electronic copies of the prospectus supplement may be obtained by visiting EDGAR on the SEC's website at http://www.sec.gov/. This announcement does not constitute an offer to sell or a solicitation of an offer to buy nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. This press release is being issued pursuant to and in accordance with Rule 134 under the Securities Act of 1933, as amended. Any offer, if at all, will be made only by means of a prospectus supplement and the accompanying prospectus, forming a part of the effective registration statement.