<div id="readability-page-1"><article>Basel, 17 February 2026 - Roche (SIX: RO, ROG; OTCQX: RHHBY) today announced the appointment of Mark Dawson, M.D., Ph.D., as the new Head of Roche Pharma Research and Early Development (pRED), effective 1 May 2026. Based in Basel, he will also become a member of the Enlarged Corporate Executive Committee. Roche CEO Thomas Schinecker commented: &#34;Mark Dawson is a distinguished physician-scientist with a profound dedication to scientific excellence and patient care. His collaborative spirit and thoughtful leadership make him the ideal choice to lead pRED, and I am delighted to welcome him to our team.&#34; Mark Dawson joins Roche from the Peter MacCallum Cancer Centre, where he serves as Associate Director of Research. A leading expert in cancer biology, his work on chromatin regulation and epigenetics has been instrumental in defining the molecular mechanisms that drive cancer initiation and progression. In addition to his clinical and research leadership, he holds a professorial appointment at the University of Melbourne and is an elected member of the Australian Academy of Science, the Australian Academy of Health and Medical Sciences, and the European Molecular Biology Organisation (EMBO). Mark earned his medical degree from the University of Melbourne in 1999, followed by specialist training in haematology and a Ph.D. from the University of Cambridge. His career is marked by prestigious international honors, including: <ul><li>The Prime Minister’s Prize for Science (Life Scientist of the Year, 2020)</li><li>The Paul Marks Prize for Cancer Research</li><li>The William Dameshek Prize (American Society of Hematology)</li><li>Howard Hughes International Research Scholar </li></ul> His extensive background as a clinician-researcher and his history of academic excellence position him to drive the next generation of innovative therapies at Roche pRED. About Roche Founded in 1896 in Basel, Switzerland, as one of the first industrial manufacturers of branded medicines, Roche has grown into the world’s largest biotechnology company and the global leader in in-vitro diagnostics. The company pursues scientific excellence to discover and develop medicines and diagnostics for improving and saving the lives of people around the world. We are a pioneer in personalised healthcare and want to further transform how healthcare is delivered to have an even greater impact. To provide the best care for each person we partner with many stakeholders and combine our strengths in Diagnostics and Pharma with data insights from the clinical practice. For over 125 years, sustainability has been an integral part of Roche’s business. As a science-driven company, our greatest contribution to society is developing innovative medicines and diagnostics that help people live healthier lives. Roche is committed to the Science Based Targets initiative and the Sustainable Markets Initiative to achieve net zero by 2045. Genentech, in the United States, is a wholly owned member of the Roche Group. Roche is the majority shareholder in Chugai Pharmaceutical, Japan. For more information, please visit www.roche.com. All trademarks used or mentioned in this release are protected by law. Roche Global Media Relations Phone: +41 61 688 8888 / e-mail: media.relations@roche.com <table><tbody><tr><td>Hans Trees, PhD Phone: +41 79 407 72 58</td><td>Nathalie Altermatt Phone: +41 79 771 05 25</td></tr><tr><td>Lorena Corfas Phone: +41 79 568 24 95</td><td>Simon Goldsborough Phone: +44 797 32 72 915</td></tr><tr><td>Karsten Kleine Phone: +41 79 461 86 83</td><td>Kirti Pandey Phone: +49 172 6367262</td></tr><tr><td>Yvette Petillon Phone: +41 79 961 92 50</td><td>Dr Rebekka Schnell Phone: +41 79 205 27 03</td></tr></tbody></table><ul id="gnw_attachments_section-items"><li>Media Release Changes to Enlarged CEC pRED English</li></ul><img src="https://imageproxy.pbkrs.com/https://www.globenewswire.com/newsroom/ti/query-bmY9TVRBd01URTJORGsyTmlNME1ESXpNek0wTVRRak1qQXdNVEEwT0E9PQ?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" original-src="https://imageproxy.pbkrs.com/https://www.globenewswire.com/newsroom/ti/query-bmY9TVRBd01URTJORGsyTmlNME1ESXpNek0wTVRRak1qQXdNVEEwT0E9PQ"/> <img src="https://imageproxy.pbkrs.com/https://ml-eu.globenewswire.com/media/Zjc5MWVmMmQtNjVmZS00ZjZmLWI2NmUtOGU1ODBjN2E1ODMzLTEwMTI2MjEtMjAyNi0wMi0xNy1lbg==/tiny/F-Hoffmann-La-Roche-Ltd.png?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" width="1" height="1" original-src="https://imageproxy.pbkrs.com/https://ml-eu.globenewswire.com/media/Zjc5MWVmMmQtNjVmZS00ZjZmLWI2NmUtOGU1ODBjN2E1ODMzLTEwMTI2MjEtMjAyNi0wMi0xNy1lbg==/tiny/F-Hoffmann-La-Roche-Ltd.png"/></article></div>

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Roche has appointed Mark Dawson, M.D., Ph.D., as the new Head of Roche Pharma Research and Early Development (pRED), effective May 1, 2026. He will also join the Enlarged Corporate Executive Committee. Dawson, a leading expert in cancer biology, previously served as Associate Director of Research at the Peter MacCallum Cancer Centre. Roche CEO Thomas Schinecker praised Dawson's dedication to scientific excellence and leadership. Roche, founded in 1896, is a global leader in biotechnology and diagnostics, committed to sustainability and innovative healthcare solutions.

Change to the Roche Enlarged Corporate Executive Committee | RHHBY Stock News