ETON

Eton Pharmaceuticals, Inc. is a pharmaceutical company focused on developing and commercializing treatments for rare diseases. The Company's commercial rare disease products include ALKINDI SPRINKLE, PKU GOLIKE, Carglumic Acid, Betaine Anhydrous, and Nitisinone. ALKINDI SPRINKLE is for the treatment of pediatric adrenocortical insufficiency. Carglumic Acid is for the treatment of hyperammonemia due to N-acetylglutamate synthase (NAGS) deficiency. Betaine Anhydrous is for the treatment of homocystinuria. Nitisinone is for the treatment of hereditary tyrosinemia type 1 (HT-1). PKU GOLIKE is a medical formula for patients with phenylketonuria (PKU). The Company has three additional product candidates in late-stage development: ET-400, ET-600, and ZENEO hydrocortisone autoinjector. ET-400 is a patented formulation of liquid hydrocortisone. It has United States rights to Amglidia (glyburide oral suspension, known as glibenclamide in Europe) for the treatment of neonatal diabetes mellitus.