Catalyst Biosciences Announces Presentation at the 2018 Association for Research in Vision and Ophthalmology Annual Meeting

SOUTH SAN FRANCISCO, Calif., April 23, 2018 -- Catalyst Biosciences, Inc. (NASDAQ:CBIO), a clinical-stage biopharmaceutical company focused on developing novel medicines to address hematology indications, today announced a poster presentation with collaborator Mosaic Biosciences showing preclinical data with anti-complement 3 protease CB-2782, currently in development for the prevention of geographic atrophy in a subset of patients with dry age-related macular degeneration, at the 2018 Association for Research in Vision and Ophthalmology (ARVO) Annual Meeting being held from April 29-May 3, 2018 in Honolulu, Hawaii.

Additional details can be found on the ARVO website at https://www.arvo.org/annual-meeting/. A copy of the presentation materials can be accessed by visiting the Events and Presentations section of the Catalyst website after the presentation concludes.

About Catalyst Biosciences
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. For more information, please visit www.catalystbiosciences.com.

Forward-Looking Statements
This press release contains forward-looking statements that involve substantial risks and uncertainties. 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, 2017 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]