Catalyst Pharmaceuticals Announces Change to a Virtual Meeting Format for the 2020 Annual Meeting of Stockholders - Seite 2

Stockholders will also have the option to call in to the virtual Annual Meeting by telephone and listen (in listen-only mode) by calling:

	Within the U.S. and Canada	1-888-965-8995 (toll free)
	Outside the U.S. and Canada	1-415-655-0243 (standard rates apply)
	Passcode for telephone access:	09485747#

We encourage you to access the Annual Meeting 15 minutes prior to the start time. Online check-in will begin at 8:45 a.m. eastern time.

On or about July 6, 2020, Catalyst filed with the SEC and mailed to its stockholders a proxy statement (the "Proxy Statement") containing information about the matters to be considered at the Annual Meeting. In connection with the matters described in this press release, Catalyst is filing with the SEC and making available to its stockholders a supplement to its Proxy Statement ("Supplement") containing additional information about the matters to be considered at the Annual Meeting. Catalyst's Proxy Statement, its Supplement, and its annual report for the year ended December 31, 2019, are available for download on Catalyst's website at https://ir.catalystpharma.com/financial-information/annual-reports and on Continental's website at https://www.cstproxy.com/catalystpharma/2020.

About Catalyst Pharmaceuticals

Catalyst Pharmaceuticals is a commercial-stage biopharmaceutical company focused on developing and commercializing innovative therapies for people with rare debilitating, chronic neuromuscular and neurological diseases, including Lambert-Eaton myasthenic syndrome (LEMS), anti-MuSK antibody positive myasthenia gravis (MuSK-MG) and spinal muscular atrophy (SMA) Type 3. Catalyst's new drug application for Firdapse (amifampridine) 10 mg tablets for the treatment of adults with LEMS was approved in November 2018 by the U.S. Food & Drug Administration ("FDA"), and Firdapse is now commercially available in the United States. Prior to its approval, Firdapse for LEMS had received breakthrough therapy designation and orphan drug designation from the FDA.