Catalyst Pharmaceuticals to Present at MDA Clinical & Scientific Conference Details of Registry for Study of Long-Term Safety and Quality of Life in Duchenne Muscular Dystrophy Patients Treated with AGAMREE - Seite 3

For more information about Catalyst Pharmaceuticals, Inc., please visit the Company's website at www.catalystpharma.com. For Full Prescribing and Safety Information for FIRDAPSE, please visit www.firdapse.com. For Full Prescribing Information, including Boxed WARNING for FYCOMPA, please visit www.fycompa.com. For Full Prescribing Information for AGAMREE, please visit www.agamree.com.

Forward-Looking Statements

This press release contains forward-looking statements, as that term is defined in the Private Securities Litigation Reform Act of 1995. These include statements regarding Catalyst's expectations, beliefs, plans or objectives regarding the intended use of net proceeds therefrom. Forward-looking statements involve known and unknown risks and uncertainties, which may cause Catalyst's actual results in future periods to differ materially from forecasted results. A number of factors, including (i) whether DMD patient will agree to enroll in the registry, and (ii) those factors described in Catalyst's Annual Report on Form 10-K for the fiscal year 2022 and its other filings with the U.S. Securities and Exchange Commission ("SEC"), could adversely affect Catalyst. Copies of Catalyst's filings with the SEC are available from the SEC, may be found on Catalyst's website, or may be obtained upon request from Catalyst. Catalyst does not undertake any obligation to update the information contained herein, which speaks only as of this date.

Source: Catalyst Pharmaceuticals, Inc.