Exhibit 99.1 25 April 2024 PureTech Health plc PureTech Announces Annual Results for Year Ended December 31, 2023 Significant operational and clinical progress in 2023 and early 2024 with maturation of Internal Programs,1 launch of two new Founded Entities,2 including a $100 million Series A financing for Seaport, and the$14 billion acquisition of Karuna by Bristol Myers Squibb Robust balance sheet with PureTech level cash, cash equivalents and short-term investments of $326.0 million3 and consolidated cas ...