Catalyst Biosciences Announces Proposed Public Offering of Common Stock

SOUTH SAN FRANCISCO, Calif., Dec. 19, 2017 -- Catalyst Biosciences, Inc. (NASDAQ:CBIO), a clinical-stage biopharmaceutical company focused on developing novel medicines to address hematology indications (the Company), today announced that it is offering, subject to market conditions, shares of its common stock in an underwritten public offering. The Company anticipates using the net proceeds from this offering for general corporate purposes, which may include clinical trials, research and development activities, capital expenditures, selling, general and administrative costs, facilities expansion and to meet working capital needs. All of the shares in the offering are to be sold by the Company.

JonesTrading Institutional Services LLC and Ladenburg Thalmann & Co. Inc. are acting as Joint Book-running Managers and LifeSci Capital LLC is acting as a Co-Manager for the proposed offering.

A shelf registration statement on Form S-3 relating to the public offering of the shares of common stock described above was filed with the Securities and Exchange Commission (SEC) and is effective. 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. When available, copies of the preliminary prospectus supplement may also be obtained from JonesTrading Institutional Services LLC, 32133 Lindero Canyon Road, Suite 208, Westlake Village, CA 91361, Attention: Compliance Department, or via telephone at (844) 566-6587 or via email at [email protected].

This press release shall not constitute an offer to sell or the solicitation of an offer to buy any of the securities described herein. There shall not be any offer, solicitation of an offer to buy, or sale of securities in any state or jurisdiction in which such an offering, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About Catalyst

Catalyst is a clinical-stage biopharmaceutical company developing novel medicines to address hematology indications. Catalyst is focused on the field of hemostasis, including the subcutaneous prophylaxis of hemophilia and facilitating surgery in individuals with hemophilia.

Forward-Looking Statements

This press release contains forward-looking statements that involve substantial risks and uncertainties. All statements pertaining to the Company’s expectations regarding the completion, timing, pricing and size of the offering described in this press release constitute forward-looking statements. All statements, other than statement of historical facts (including, but not limited to, statements that contain words such as “will,” “believes,” “plans,” “anticipates,” “expects,” “estimates”) are forward-looking statements. Actual results or events could differ materially from the plans, intentions, expectations and projections disclosed in the forward-looking statements. Various important factors could cause actual results or events to differ materially from the forward-looking statements that the Company makes, including, but not limited to, the risk that trials and studies may be delayed and may not have satisfactory outcomes, that human trials will not replicate the results from animal studies, that potential adverse effects may arise from the testing or use of the Company’s products, including the generation of antibodies, the risk that costs required to develop or manufacture the Company’s products will be higher than anticipated, competition and other factors that affect our ability to establish collaborations on commercially reasonable terms and other risks described in the “Risk Factors” section of the Company’s Annual Report on Form 10-K for the year ended December 31, 2016 and the Company’s Quarterly Reports on Form 10-Q for the quarters ended March 31, 2017, June 30, 2017, and September 30, 2017 along with other filings with the Securities and Exchange Commission. The Company does not assume any obligation to update any forward-looking statements, except as required by law.

Contacts:

Investors:   
Fletcher Payne, CFO     
Catalyst Biosciences, Inc.
1.650.871.0761
[email protected]

Media:
Josephine Belluardo, Ph.D.
LifeSci Public Relations
1.646.751.4361
[email protected]