2 © Catalyst Biosciences Forward-looking statements This presentation contains forward-looking statements that involve substantial risks and uncertainties. Forward-looking statements include, without limitation, the amount and timing of planned cash distributions under the CVR; expectations regarding the proposed transactions; the potential benefits and results of such transactions; the expected timing of the closing of the proposed transactions; and statements regarding the potential of, and expectations regarding, GNI’s programs; and the expected development of F351 in NASH. 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, including, but not limited to, the risks that Catalyst’s obligations and liabilities will be greater than anticipated, that the proposed transactions will not result in anticipated benefits, the risk that Catalyst will not be able to sell other legacy assets, and other risks described in the "Risk Factors" section of the Company's most recent Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K filed with the SEC as well as the registration statement on Form S-4 to be filed with the SEC by Catalyst. The Company does not assume any obligation to update any forward-looking statements, except as required by law.