News Release Exhibit 99.1 Puma Biotechnology Reports Third Quarter 2024 Financial Results LOS ANGELES, Calif., Nov. 7, 2024 – Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the third quarter ended September 30, 2024. Unless otherwise stated, all comparisons are for the third quarter of 2024 compared to the third quarter of 2023. Product revenue, net consists entirely of sales revenue from NERLYNX®, Puma's first commercial product. Product revenue, net i ...