BioAmber Inc. Files Registration Statement for Proposed Initial Public Offering

MINNEAPOLIS, November 14, 2011 -

BioAmber Inc. has filed a registration statement on Form S-1 with the Securities and Exchange Commission for a proposed initial public offering of its common stock. The number of shares to be offered in the proposed offering and the price range for the offering have not yet been determined.  The lead book-running managers for the offering are Goldman, Sachs & Co. and Credit Suisse Securities (USA) LLC.  The additional book-running manager is Barclays Capital. The co-managers are Stifel, Nicolaus & Company, Incorporated and Pacific Crest Securities LLC.

When available, a copy of the preliminary prospectus relating to these securities may be obtained from Goldman, Sachs & Co. at 200 West Street, New York, New York 10004, Attn: Prospectus Department, by calling 1-212-902-1171, or by emailing prospectus-ny@ny.email.gs.com, and from Credit Suisse Securities (USA) LLC, Attention: Prospectus Department, One Madison Avenue, New York, New York, 10010, by calling +1-(800)-221-1037, or by e-mailing newyork.prospectus@credit-suisse.com.

A registration statement relating to these securities has been filed with the Securities and Exchange Commission but has not yet become effective. These securities may not be sold, nor may offers to buy be accepted, prior to the time the registration statement becomes effective.  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 an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About BioAmber Inc.

BioAmber is a next generation chemicals company. Its proprietary technology platform combines industrial biotechnology, an innovative purification process and chemical catalysis to convert renewable feedstocks into chemicals for use in a wide variety of everyday products including plastics, food additives and personal care products. BioAmber produces bio-succinic acid in what it believes to be one of the world’s largest bio-based chemical manufacturing facilities. For more information visit the company’s web site at www.bio-amber.com or contact:

Investor Contact:
Mike Hartmann
Executive Vice President
Phone:  +1-514-844-8000 extension 120
mike.hartmann@bio-amber.com

Media Contact:
Jeff Fox
The Blueshirt Group
Phone: +1-415-828-8298
jeff@blueshirtgroup.com

.