Spectrum Pharmaceuticals, Inc. Provides Sales Guidance for the Quarter Ended December 31, 2022

Spectrum Pharmaceuticals, Inc. is a commercial stage biopharmaceutical company. The Company is focused on acquiring, developing, and commercializing targeted oncology therapies. The Company's product portfolio consists of one commercial product and product candidates for the treatment of cancer patients. Its commercial product candidate includes ROLVEDON (eflapegrastim), which is a long-acting granulocyte colony-stimulating factor (G-CSF) that employs a proprietary LAPSCOVERY technology designed to enhance the duration of therapeutic effects and reduce the frequency of administration. ROLVEDON is FDA-approved for the treatment of adult patients with chemotherapy-induced neutropenia. Its development pipeline includes Poziotinib is a novel, pan-HER inhibitor that is designed to irreversibly block signaling through the Epidermal Growth Factor Receptor (EGFR) family of TKIs, including HER1 (erbB1; EGFR), HER2 (erbB2), HER4 (erbB4), and HER receptor mutations.