BOSTON and LONDON, Dec. 13, 2021 (GLOBE NEWSWIRE) — Centessa Pharmaceuticals plc (“Company”) (Nasdaq: CNTA), a clinical-stage company leveraging its innovative asset-centric business model to discover, develop and ultimately deliver impactful medicines to patients, today announced that it has been added to the NASDAQ Biotechnology Index (Nasdaq: NBI). The addition will become effective prior to market open on Monday, December 20, 2021. The NASDAQ Biotechnology Index contains securities of NASDAQ-listed companies classified according to the Industry Classification Benchmark as either Biotechnology or Pharmaceuticals which also meet other eligibility criteria. The NASDAQ Biotechnology Index is calculated under a modified capitalization-weighted methodology. More information about the Index can be found at https://indexes.nasdaqomx.com/index/overview/NBI. About Centessa PharmaceuticalsCentessa Pharmaceuticals plc aims to bring impactful new medicines to patients by combining the strengths of an asset-centric model with the benefits of scale and diversification typical of larger R&D organizations. The asset-centric model refers to a highly specialized, singular-focused company that is led by a team of well-recognized subject matter experts. Centessa’s asset-centric companies’ programs range from discovery-stage to late-stage development and include diverse therapeutic areas such as oncology, hematology, immunology/inflammation, neuroscience, hepatology, pulmonology and nephrology. For more information, visit www.centessa.com. Contacts: Investors: Jennifer Porcelli, Head of Investor Relations Centessa Pharmaceuticals jennifer.porcelli@centessa.com Media: Dan Budwick, 1AB dan@1abmedia.com