News Releases

Selling Shareholder Launches Proposed Secondary Offering

SAN DIEGO, Dec. 15, 2015 /PRNewswire/ -- Pfenex Inc. (NYSE MKT: PFNX) announced today the launch of a proposed secondary public offering of 600,000 shares of its common stock. All of such shares will be offered and sold by The Dow Chemical Company, and The Dow Chemical Company will receive all of the proceeds from such offering. 

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Pfenex will not sell any shares in the offering and it will not receive any proceeds from the sale of the shares.

Morgan Stanley is acting as the sole underwriter for the offering.

This proposed offering is being made only by means of an effective shelf registration statement, including a prospectus supplement and accompanying prospectus. Before investing, you should read the prospectus supplement, the accompanying prospectus and other documents filed with the Securities and Exchange Commission for information about Pfenex and this offering. You may obtain these documents for free by visiting EDGAR on the SEC's web site at Alternatively, a copy of the prospectus may be obtained from Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY 10014.

This press release shall not constitute an offer to sell or the 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.

Use of Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including statements regarding the anticipated public offering.  Forward-looking statements are subject to numerous risks and uncertainties that could cause actual results to differ materially from currently anticipated results, including the risks and uncertainties associated with market conditions and the completion of the public offering on the anticipated terms or at all.  Information on these and additional risks, uncertainties, and other information affecting Pfenex's business and operating results are contained in Pfenex's Annual Report on Form 10-K for the year ended December 31, 2014 and in Pfenex's subsequent reports on Form 10-Q and Form 8-K. These forward-looking statements speak only as of the date hereof. Pfenex disclaims any obligation to update these forward-looking statements except as may be required by law.

About Pfenex Inc.

Pfenex is a clinical-stage biotechnology company engaged in the development of biosimilar therapeutics and high-value and difficult to manufacture proteins. The company's lead product candidate is PF582, a biosimilar candidate to Lucentis (ranibizumab), for the potential treatment of patients with retinal diseases. Pfenex has leveraged its Pfēnex Expression Technology® platform to build a pipeline of product candidates and preclinical products under development including other biosimilars, as well as vaccines, generics and next generation biologics.  

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SOURCE Pfenex Inc.

For further information: Paul Wagner, Ph.D., Chief Financial Officer, (858) 352-4333,