Exhibit 99.1 • Full Data from Phase 1b Part A Trial to be Presented at the ESC Congress: Full results from the TX45 Phase 1b trial in the Group 2 PH-HFpEF cohort will be presented as an oral late-breaking presentation at the European Society of Cardiology (ESC) Heart Failure 2025 Congress. The data set includes a total of 19 patients with PH-HFpEF. The presentation is scheduled for May 17, 2025, at 10:40 a.m. ET. • Ongoing Phase 1b Part B Results Expected 2H 2025: Part B of the TX45 Phase 1b hemodynamic cli ...