Shuttle Pharma Announces Reverse Stock Split will Become Effective on June 16, 2025, at 12:01 a.m., Eastern Time

Group 1 - Shuttle Pharmaceuticals Holdings, Inc. will implement a reverse stock split effective June 16, 2025, at 12:01 a.m. Eastern Time, with the common stock continuing to trade under the symbol "SHPH" on Nasdaq [1][2] - The reverse stock split will convert every 25 shares of the Company's common stock into 1 share, reducing the total number of outstanding shares from approximately 26,210,037 to about 1,048,401 shares [2] - This action is part of Shuttle's strategic plan to comply with Nasdaq's continued listing requirements and to strengthen the Company's long-term capital structure [3] Group 2 - Shuttle Pharmaceuticals is focused on improving outcomes for cancer patients undergoing radiation therapy by developing therapies that enhance the effectiveness of radiation while minimizing side effects [4] - The Company aims to increase cancer cure rates, prolong patient survival, and improve quality of life through the development of radiation sensitizers, which can be used alone or in combination with other treatments [4]