Exhibit 99.1
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FOR IMMEDIATE RELEASE
Catalyst Pharmaceuticals, Inc. Determines Not to Proceed with Previously Announced
Public Offering of Common Stock
CORAL GABLES, Fla., Sept. 13, 2019 (GLOBE NEWSWIRE) — Catalyst Pharmaceuticals, Inc. (NasdaqCM: CPRX) today announced that it will not conclude the offering of shares of its common stock announced on Wednesday, September 11, 2019. The Company believes that the culmination of an offering at the current market price of the common stock is not in the best interest of the Company and its stockholders.
The offering was being made pursuant to an effective shelf registration statement (No.333-219259) previously filed with the Securities and Exchange Commission.
This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities nor will there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or other jurisdiction.
About Catalyst Pharmaceuticals
Catalyst Pharmaceuticals is a 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), congenital myasthenic syndromes (CMS), 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.
Firdapse is currently being evaluated in clinical trials for the treatment ofMuSK-MG, CMS, and SMA Type 3 and has received Orphan Drug Designation from the FDA for myasthenia gravis and CMS. Firdapse (amifampridine) 10 mg tablets is the first and only approved drug in Europe for the symptomatic treatment in adults with LEMS.