SLN · Silence Therapeutics plc

New analyses from the Phase 1 SANRECO study demonstrate potential improvements in PV symptoms and quality-of-life Follow-up data show substantial reductions in phlebotomy use persisting after final dose Phase 2 SANRECO study evaluating Q6W and Q12W dosing remains on-track for topline results in August 2026 Silence Therapeutics plc (Nasdaq: SLN), a global clinical-stage biotechnology company developing novel siRNA (short interfering RNA) therapies, today presented follow-up and quality-of-life data from the Phase 1 SANRECO study evaluating divesiran, a first-in-class siRNA therapy targeting TMPRSS6, in 21 phlebotomy-dependent patients with polycythemia vera (PV) at the European Hematology Association (EHA) 2026 Annual Congress. Divesiran data presented at EHA show improvements in PV-related symptoms and quality-of-life, complementing the substantial reductions in phlebotomy use as previously reported. Additional analyses also showed substantial reductions in phlebotomy use persisted

Silence Therapeutics plc (Nasdaq: SLN), a global clinical-stage biotechnology company developing novel siRNA (short interfering RNA) therapies, today announced that management will participate in an analyst-led fireside chat at the Jefferies Global Healthcare Conference on Wednesday, June 3, 2026 at 4:55 p.m. ET. A live webcast can be accessed in the Investors section of the Silence website at www.silence-therapeutics.com . An archived replay of the webcast will be available following the conference. About Silence Therapeutics Silence Therapeutics is a global clinical-stage biotechnology company committed to transforming people’s lives by silencing diseases through precision engineered medicines created with proprietary siRNA (short interfering RNA) technology. Silence leverages its mRNAi GOLD™ platform to create innovative siRNA therapies designed to precisely target and silence genes that cause disease. The Company is advancing a growing pipeline of siRNA product candidates

Silence Therapeutics plc (Nasdaq: SLN), a global clinical-stage company developing novel siRNA (short interfering RNA) therapies, today announced that Curtis Rambaran, MD, Chief Medical Officer of Silence Therapeutics, will participate in a fireside chat at the H.C. Wainwright BioConnect Investor Conference on Tuesday, May 19, 2026 at 2:00 p.m. ET. The live webcast can be accessed in the Investors section of the Silence website at www.silence-therapeutics.com . An archived replay of the webcast will be available following the conference. About Silence Therapeutics Silence Therapeutics is a global clinical-stage biotechnology company committed to transforming people’s lives by silencing diseases through precision engineered medicines created with proprietary siRNA (short interfering RNA) technology. Silence leverages its mRNAi GOLD™ platform to create innovative siRNA therapies designed to precisely target and silence genes that cause disease. The Company is advancing a growing

Phase 2 SANRECO trial of divesiran, a first-in-class siRNA for polycythemia vera (PV), on-track for topline results in August 2026 Silence Therapeutics plc, Nasdaq: SLN (“Silence” or “the Company”), a global clinical-stage company developing novel siRNA (short interfering RNA) therapies, today reported its financial results for the first quarter ended March 31, 2026, and provided an update on recent business achievements. “The Silence team continues to advance research supporting the broad potential of our mRNAi GOLD™ platform, and we remain well positioned as we approach a significant company milestone,” said Iain Ross, Chairman and Interim Principal Executive Officer at Silence. “With Phase 2 topline results in PV expected this August, our team remains focused on progressing divesiran and delivering long‑term value for patients and shareholders.” Business Highlights Divesiran: First-in-class siRNA for PV SANRECO Phase 1 study abstract accepted for poster presentation at the European

Topline results for Phase 2 SANRECO trial of divesiran, a first-in-class siRNA for polycythemia vera (PV), on-track for third quarter of 2026 Silence Therapeutics plc, Nasdaq: SLN, a global clinical-stage company developing novel siRNA (short interfering RNA) therapies, today reported financial results for the fourth quarter and full year ended December 31, 2025, and provided an update on recent business achievements. “The past year was focused on clinical execution, demonstrated by the expedited enrollment in the Phase 2 SANRECO trial of divesiran in PV which is on-track for topline results in third quarter of 2026,” said Iain Ross, Chairman and Interim Principal Executive Officer at Silence. “Divesiran is a first-in-class siRNA product candidate in PV with broad potential in blood disorders and this program is our highest priority. We believe we are well positioned today with excellent optionality and multiple near-term value drivers ahead.” Business Highlights Divesiran: