Concert Pharmaceuticals Raises Gross Proceeds of $66.4 Million Through Public Offering and Exercise of Warrants

Concert Pharmaceuticals, Inc. (NASDAQ: CNCE) today announced the closing of its previously announced underwritten public offering of 10,000,000 shares of its common stock to the public at $4.75 per share. The aggregate gross proceeds to Concert from this offering were $47.5 million, before deducting underwriting discounts and commissions and other offering expenses payable by Concert. Concert also announced the receipt of $18.9 million upon the exercise of tranche 1 warrants to purchase 3,981 shares of Series X1 Preferred Stock issued to BVF Partners L.P. and RA Capital Management in November 2021. Through the public offering and warrant exercise, Concert raised aggregate gross proceeds of $66.4 million.

Jefferies and Truist Securities acted as joint book-running managers for the offering. JMP Securities, A Citizens Company, and Mizuho Securities acted as lead managers, and H.C. Wainwright & Co. acted as co-manager for the offering.

The offering was made only by means of a written prospectus supplement and prospectus forming part of a shelf registration statement previously filed with the Securities and Exchange Commission (SEC) and declared effective on November 16, 2020. The final prospectus supplement and accompanying prospectus relating to the offering was filed with the SEC and is available on the SEC’s website at www.sec.gov. Copies of the final prospectus supplement and accompanying prospectus may also be obtained by contacting Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, New York, NY 10022, by telephone at (877) 821-7388, or by email at prospectus_department@jefferies.com or Truist Securities, Inc., Attention: Prospectus Department, 3333 Peachtree Road NE, 9th floor, Atlanta, Georgia 30326, by telephone at (800) 685-4786, email: TruistSecurities.prospectus@Truist.com.

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 other 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 other jurisdiction.

About Concert

Concert Pharmaceuticals is a clinical stage biopharmaceutical company that is developing small molecule drugs that it discovered through the application of its DCE Platform^® (deuterated chemical entity platform). Selective incorporation of deuterium into known molecules has the potential, on a case-by-case basis, to provide better pharmacokinetic or metabolic properties, thereby enhancing their clinical safety, tolerability or efficacy. Concert’s lead product candidate is in late-stage development for the treatment of alopecia areata, a serious autoimmune dermatological condition. Concert is also assessing a number of earlier-stage pipeline candidates.

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