Catalyst Pharmaceuticals Announces Firdapse® (amifampridine) New Drug Application Continues Under Review

November 27, 2018

CORAL GABLES, Fla., Nov. 27, 2018 (GLOBE NEWSWIRE) -- Catalyst Pharmaceuticals Inc. (Nasdaq:CPRX) today reports that no decision has yet been received from the Food and Drug Administration with respect to the company’s new drug application for Firdapse. The company reported that a contractor working on a web page unintentionally allowed a live screen to be seen that reflected that the possible approval of the company’s NDA had already been received.

The company is issuing this release in order to clarify to the marketplace the status of its NDA.

Investor Contact Brian Korb Solebury Trout (646) 378-2923 bkorb@troutgroup.com Company Contact Patrick J. McEnany Catalyst Pharmaceuticals Chief Executive Officer (305) 420-3200 pmcenany@catalystpharma.com Media Contact David Schull Russo Partners (212) 845-4271 david.schull@russopartnersllc.com

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