Press release enclosed

RHI MAGNESITA INDIA LTD. 19th & 20th Floor, DLF Square, M-Block, Phase II, Jacaranda Marg, DLF City, Gurugram, Haryana 122002 T +91 124 4299000 E corporate.india@rhimagnesita.com www.rhimagnesitaindia.com 11 August 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, Plot No. C/1, G Block, Dalal Street Bandra Kurla Complex, Bandra (East) Mumbai – 400 001, India Mumbai – 400 051, India BSE Scrip Code: 534076 NSE Symbol: RHIM Sub: Press Release for quarter ended 30 June 2026 Dear Sir/ Ma’am, Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are enclosing herewith a Press Release issued by RHI Magnesita India Limited on the captioned subject, the content of which is self-explanatory. The above information is for your records and required dissemination. Thanking you, Yours faithfully for RHI Magnesita India Limited Sanjay Kumar Company Secretary (ICSI Membership No. -A17021) Registered Office: Unit No.705, 7th Floor, Lodha Supremus, Kanjurmarg Village Road, Kanjurmarg (East), Mumbai-400042, T +91 22 49851200 CIN: L28113MH2010PLC312871 Media Release RHI Magnesita India Delivering Consistent Value in a Dynamic Environment with Strong Growth Momentum Gurugram, Haryana, August 11, 2026: RHI Magnesita India Limited, the leading manufacturer and supplier of high-grade refractory products, systems and solutions, has reported unaudited consolidated financial results for the first quarter June 30th, 2026 (Q1 FY27). Commenting on the results, Parmod Sagar – Chairman of RHI Magnesita India Ltd said, "We delivered a strong start to FY27, achieving healthy growth in both revenue and profitability despite a challenging operating environment characterized by pricing pressures, cost inflation, and competitive intensity. Our differentiated 4PRO business model, deep customer partnerships, and solution-led approach continue to strengthen our market position and drive sustainable value creation. Q1 also marked an important leadership transition for the Company. I am delighted to welcome Mr. Pankaj Malhan as Managing Director & Chief Executive Officer, while I continue to serve as Chairman. Together, we remain committed to executing our strategy, enhancing stakeholder value, and building a stronger, more resilient business for the future." Commenting on the results, Pankaj Malhan – Managing Director & Chief Executive Officer said, “Our performance reflects the strength of our business model and executional capabilities to navigate the challenges emanating from both global headwinds and domestic challenges. Moving forward during the year, we will continue to remain focused on creating value for our customers by further strengthening our execution capabilities and leveraging our differentiated 4PRO model to accelerate sustainable growth and long-term value creation for all stakeholders.” Key Financial Highlights: • Revenue from operations at ₹1,014 crore (+6% YoY) • Operating EBITDA at ₹147 crore (+42% YoY) • Operating EBITDA % at 14.5% (+3.7% pp YoY) • PAT at ₹65 crore (+83% YoY) • Net cash/EBITDA ratio at 0.27x • Shipment Volumes at 122 KT About RHI Magnesita India Ltd. RHI Magnesita India Ltd. is the leading manufacturer and supplier of high-grade refractory products, systems and solutions which are critical for high-temperature processes exceeding 1,200°C in a wide range of industries, including steel, Iron, cement, non-ferrous metals and glass. This includes Magnesia and Alumina- based bricks and mixes for large industrial customers as well as specialty refractory products like Isostatic products and Slide Gates. With a 6,000+ strong skilled workforce in 8 state-of-the-art manufacturing plants, 2 Mines, 2 Mechanism Units, 3 main offices, 35 site offices across the country and a world-class R&D centre at Bhiwadi, RHI Magnesita India serves customers both domestically and around the globe. The Company is listed with BSE: 534076 and NSE: RHIM; Website: www.rhimagnesitaindia.com Safe Harbour Statements in this document relating to future status, events, or circumstances, including but not limited to statements about plans and objectives, the progress and results of research and development, potential project characteristics, project potential and target dates for project related issues are forward-looking statements based on estimates and the anticipated effects of future events on current and developing circumstances. Such statements are subject to numerous risks and uncertainties and are not necessarily predictive of future results. Actual results may differ materially. For further enquiries, please contact: Gaurav Ban Lead – Public Affairs RHI Magnesita India Ltd. gaurav.ban@rhimagnesita.com +91 9810277536