Exhibit 99.1 YS Biopharma Announces Unaudited Financial Results for the First Half of Fiscal Year 2024 GAITHERSBURG, MD., January 22, 2024 /PRNewswire/ -- YS Biopharma Co., Ltd. (NASDAQ: YS) ("YS Biopharma") along with its subsidiaries ("YS Group" or the "Company"), a global biopharmaceutical company dedicated to discovering, developing, manufacturing, and delivering new generations of vaccines and therapeutic biologics for infectious diseases and cancer, today announced its unaudited consolidated financial ...