Array BioPharma, Inc. Announces Proposed Public Offering of Common Stock

BOULDER, Colo., Nov. 8, 2012 /PRNewswire/ -- Array BioPharma Inc. (NasdaqGM: ARRY) announced today that it is offering to sell, subject to market and other conditions, shares of its common stock pursuant to an effective shelf registration statement in an underwritten public offering. Array also intends to grant the underwriters a 30-day option to purchase additional shares of common stock to cover over-allotments, if any. All of the shares to be sold in the offering are to be sold by Array, with the proceeds to be used to fund research and development activities and for general corporate purposes. Jefferies & Company, Inc. and J.P. Morgan Securities LLC are acting as joint book-running managers for the proposed offering, with Piper Jaffray & Co., Stifel Nicolaus Weisel and William Blair acting as co-managers.

A shelf registration statement relating to the public offering of the shares of common stock described above was filed with the Securities and Exchange Commission (the "SEC") and is effective. This press release does not constitute an offer to sell, or the solicitation of an offer to buy, these securities, nor will there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale is not permitted. Any offer, if at all, will be made only by means of a prospectus, including a prospectus supplement, forming part of the effective shelf registration statement.

A preliminary prospectus supplement relating to the offering will be filed with the SEC and will be available on the SEC's web site at www.sec.gov. Copies of the preliminary prospectus supplement and accompanying prospectus may be obtained from either: Jefferies & Company, Inc., Equity Syndicate Prospectus Department, at 520 Madison Avenue, New York, New York, 10022, or by calling (877) 547-6340, or by emailing Prospectus_Department@Jefferies.com; or J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717, or by calling (866) 803-9204.

About Array BioPharma
Array BioPharma Inc. is a biopharmaceutical company focused on the discovery, development and commercialization of targeted smallmolecule drugs to treat patients afflicted with cancer. Array is evolving into a late-stage development company, with two whollyowned programs, ARRY-614 and ARRY-520, and three partnered programs, selumetinib (with AstraZeneca), MEK162 (with Novartis), and danoprevir (with InterMune / Roche), having the potential to begin Phase 3 or pivotal trials by the end of calendar year 2013.

Forward-Looking Statements
This press release contains forward-looking statements that are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements include statements concerning the completion, timing and size of the proposed offering and other statements that are other than statements of historical facts. These statements involve significant risks and uncertainties. Because these statements reflect our current expectations concerning future events, our actual events could differ materially from those anticipated in these forward-looking statements as a result of many factors. These factors include, but are not limited to: the risk that the financing may be delayed or may not occur due to market or other conditions and the satisfaction of customary closing conditions related to the proposed public offering. Additional information concerning these and other factors that may cause actual events to differ materially from those anticipated in the forward-looking statements is contained in the "Risk Factors" section of Array's most recent Annual Report on Form 10-K, in our other periodic reports and filings with the Securities and Exchange Commission and in the prospectus supplement related to the offering. We caution investors not to place undue reliance on the forward-looking statements contained in this press release. All forward-looking statements are based on information currently available to Array on the date hereof, and we undertake no obligation to revise or update these forward-looking statements to reflect events or circumstances after the date of this press release, except as required by law.

SOURCE Array BioPharma Inc.