SUZHOU, China, April 21, 2022, Transcenta Holding Limited ("Transcenta") (HKEX: 06628), a clinical stage biopharmaceutical company with fully-integrated capabilities in discovery, research, development and manufacturing of antibody-based therapeutics, announces that HJB (Hangzhou) Co., Ltd. (the "HJB"), a wholly-owned subsidiary of the Company, has successfully passed the audit of European Union qualified person on April 13, and an QP Declaration has been issued on April 21, 2022.

SUZHOU, China, March 30, 2022, Transcenta Holding Limited ("Transcenta") (HKEX: 06628), a clinical stage biopharmaceutical company with fully-integrated capabilities in discovery, research, development and manufacturing of antibody-based therapeutics, announces the preclinical data of TST005, a bifunctional fusion protein of PD-L1/TGF-βRII, will be presented as a poster at the upcoming 2022 American Association for Cancer Research Meetings (AACR 2022), taking place from April 8th to April 13th in New Orleans via in person or virtual attendance.

SUZHOU, China, March 22, 2022, Transcenta Holding Limited ("Transcenta") (HKEX: 06628), a clinical stage biopharmaceutical company with fully-integrated capabilities in discovery, research, development and manufacturing of antibody-based therapeutics, announces that it has established a global clinical collaboration with Bristol Myers Squibb to evaluate the combination of TST001, an investigational humanized monoclonal antibody targeting Claudin18.2 developed by Transcenta, with Opdivo® (nivolumab), Bristol Myers Squibb's anti-PD-1 therapy, for the treatment of patients with unresectable locally advanced or metastatic gastric cancer or gastroesophageal junction cancer (GC/GEJ).

SUZHOU, China, March 10, 2022, Transcenta Holding Limited ("Transcenta") (HKEX: 06628), a clinical stage biopharmaceutical company with fully-integrated capabilities in discovery, research, development and manufacturing of antibody-based therapeutics, announces that Transcenta has presented the safety/tolerability and preliminary anti-tumor activity data in gastric and pancreatic cancers of TST001 China phase I clinical trial as a poster presentation at the 2022 International Gastric Cancer Congress (IGCC).

SUZHOU, China, Feb. 28, 2022, Transcenta Holding Limited ("Transcenta") (HKEX: 06628), a clinical stage biopharmaceutical company with fully-integrated capabilities in discovery, research, development and manufacturing of antibody-based therapeutics, announces the successful dosing of first patient in China Phase IIa Study of TST001, a Claudin18.2 monoclonal antibody, combined with Cisplatin and Gemcitabine for the first line treatment of systemic treatment-naïve locally advanced or metastatic biliary tract cancer patients. Globally Transcenta is the first company exploring the potential of Claudin 18.2 targeting agent in biliary tract cancer.

SUZHOU, China, Jan. 12, 2022, Transcenta Holding Limited ("Transcenta") (HKEX: 06628), a clinical stage biopharmaceutical company with fully-integrated capabilities in discovery, research, development and manufacturing of antibody-based therapeutics, announces that the TST001 US Phase I Trial has been selected as a Trial in Progress poster presentation at the 2022 ASCO GI conference from January 20 to 22，2022 in San Francisco, CA; and the TST001 China Phase I trial data as a poster presentation at the International Gastric Cancer Congress (IGCC), from March 6 to 9, 2022 in Houston, TX.