VANCOUVER, British Columbia, Sept. 8, 2015 (GLOBE NEWSWIRE) — Aquinox Pharmaceuticals, Inc. (“Aquinox”) (NASDAQ:AQXP), a clinical-stage pharmaceutical company discovering and developing targeted therapeutics in disease areas of inflammation and immuno-oncology, today announced that it intends to offer and sell, subject to market and other conditions, $75 million of its common stock in an underwritten public offering. In connection with this offering, Aquinox expects to grant the underwriters a 30-day option to purchase up to $11.25 million of additional shares of common stock. All of the shares are being offered by Aquinox. There can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.

Leerink Partners, Canaccord Genuity and Guggenheim Securities are acting as joint book-running managers for the offering. Needham & Company is acting as lead manager.

A shelf registration statement relating to the offered shares of common stock was filed with the Securities and Exchange Commission (SEC) on April 1, 2015, which was declared effective on April 9, 2015. A preliminary prospectus supplement related to the offering has been filed with the SEC and is available on the SEC’s website, located at www.sec.gov. Copies of the preliminary prospectus supplement and the accompanying prospectus relating to this offering may be obtained from Leerink Partners LLC, Attention: Syndicate Department, One Federal Street, 37th Floor, Boston, MA, 02110, by telephone at (800) 808-7525 ext. 6142 or by email at [email protected]; from Canaccord Genuity Inc., Attn: Syndicate Department, 99 High Street, Floor 12, Boston, MA 02110, by telephone at (617) 371-3900 or by email at [email protected]; or from Guggenheim Securities, LLC, Attention: Equity Syndicate Department, 330 Madison Avenue, 8th Floor, New York, NY 10017, by telephone at (212) 518-9658 or by email at [email protected].

This press release shall not constitute an offer to sell or a solicitation of an offer to buy these securities 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.

Investor Contact:

Brendan Payne
Senior Manager, Investor Relations
Aquinox Pharmaceuticals, Inc.
604.629.9223 Ext. 109
[email protected]