Press Release

July 13, 2026 National Stock Exchange of India Limited BSE Limited Plot No. C/1, “G” Block, Exchange Plaza, Phiroze Jeejeebhoy Towers, Bandra Kurla Complex, Bandra (East), Dalal Street, Mumbai 400 051 Mumbai 400 001 Symbol: RPGLIFE Security Code: 532983 Dear Sirs /Madam, Sub: Press Release In terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed herewith a copy of press release with respect to “Naprosyn ES launch”. Kindly take the above on record. Thanking you, Yours Sincerely, For RPG Life Sciences Limited Rajesh Shirambekar Head- Legal & Company Secretary Encl: as above RPG Life Sciences partners with Archerchem Healthcare for Naprosyn ES launch Mumbai, 13 July, 2026: RPG Life Sciences (RPG LS) has partnered with Archerchem Healthcare to launch Naproxen and Esomeprazole combination for the first time in India by strengthening the existing business relationship with Archerchem. Naprosyn ES is a combination of Naproxen and Esomeprazole, designed to deliver effective anti-inflammatory solution along with gastro- protection. The combination has been co-developed by Archerchem Healthcare along with its development partner. RPG LS will exclusively market and distribute Naprosyn ES across the country and Archerchem as the exclusive supplier. The product addresses a significant unmet need in patients requiring long-term Nonsteroidal Anti-Inflammatory Drug (NSAID) therapy, particularly those at risk of gastrointestinal complications. The differentiated formulation is expected to improve patient compliance and enable safer long-term pain management, especially among elderly and gastro-sensitive populations. Commenting on the development, Ashok Nair, Managing Director, RPG Life Sciences, said, “At RPG Life Sciences, innovation is rooted in patient centricity. Naprosyn ES is an example of our strong R&D-driven approach to differentiated products, and the long-standing trust that doctors and patients place in the Naprosyn brand.” Commenting on the development, Anil Dhedia, Chairman & Managing Director, Archerchem Healthcare, said, “This partnership exemplifies Archerchem’s core strength in developing complex differential formulations. Through our partnership with RPG Life Sciences, a leading pharmaceutical company with strong presence in multiple chronic and acute therapies including in pain management segment, we are proud to deliver incremental innovation that enhances medication adherence and brings meaningful benefit to patients across India.” RPG Life Sciences will leverage the strong legacy and brand recall of Naprosyn brand and lean on its robust reach to a wide spectrum of doctors, including super-specialists, along with pan- India distribution network to drive distribution. The launch aligns with RPG Life Sciences’ continued focus on building a differentiated portfolio in chronic therapy segments. Naprosyn ES is available pan-India. About RPG Life Sciences Ltd (www.rpglifesciences.com): RPG Life Sciences is an integrated research-based pharmaceutical company operating in the domestic and international markets in the branded formulations, global generics and synthetic APIs space. The company produces a wide range of quality and affordable medicines. Its brands are highly trusted by healthcare professionals and patients. About Archerchem Healthcare Limited Archerchem Healthcare Limited is an Indian pharmaceutical company with a global footprint, focused on accessibility and affordability through generics for a healthier every day. With expertise in complex formulations and a therapy-agnostic portfolio of life-saving and critical care drugs, Archerchem delivers innovations that improve patient compliance and outcomes across the world. Headquarter in Mumbai, India, Archerchem Healthcare is committed to advancing access, affordability, and challenging areas of unmet needs through its wide range of portfolio. Discover more at www.archerchem.com and engage with us on LinkedIn. Media query: RPG Group Archerchem Rashmi Menon Sanjay Sheth Mobile: +91 8898020577 Tel: +91 22 42361111 Email: rashmi@rpg.in Mobile: +91 9930759450 Email: sanjay.sheth@archerchem.com