Press Release

August 27, 2026 BSE Limited National Stock Exchange of India Limited Corporate Relationship Department Exchange Plaza, C-1, Block G, Phiroze Jeejeebhoy Towers Bandra-Kurla Complex, Dalal Street Bandra (East) Mumbai – 400 001. Mumbai – 400 051. Scrip Code: 500400 Symbol: TATAPOWER Dear Sir/Madam, Sub.: Press Release Please find enclosed the press release titled “Tata Power Renewables Powers Tata Steel’s Decarbonization Journey with 72.5 MW Captive Solar Project in Rajasthan”. This is for your reference and records and is not a disclosure in terms of the requirements of Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Yours Sincerely, For The Tata Power Company Limited Vispi S. Patel Company Secretary FCS 7021 Encl: As above Tata Power Renewables Powers Tata Steel’s Decarbonization Journey with 72.5 MW Captive Solar Project in Rajasthan ● The 72.5 MW solar project to supply green energy to Tata Steel Limited through TP Vardhman Surya Limited a subsidiary of Tata Power Renewable Energy Limited. ● To offset around 1,18,856 tonnes of carbon emissions per annum, supporting Tata Steel’s decarbonisation and sustainability goals. ● The project is expected to generate 166 MUs of green energy annually. National, August 27, 2026: Tata Power Renewable Energy Limited (TPREL), one of India's leading renewable energy companies, a subsidiary of The Tata Power Company Limited, commissions its 72.5 MW captive project at Kalasar, Bikaner, Rajasthan, developed for Tata Steel Limited (Tata Steel). The project marks another significant milestone in India's clean energy journey by integrating large-scale solar generation with latest technology solutions. The project is advancing Tata Steel’s decarbonization journey and strengthening TPREL’s contribution to India’s renewable energy capacity. The project is expected to generate 166 MUs of green energy annually and offset 1,18,856 tonnes of carbon emissions annually. The project deploys 1,71,360 modules for Tata Steel project, that have been manufactured from TP Solar Limited. TPREL has been serving a variety of sectors, which include utility requirements, Datacentre, Communications, IT, Petrochemicals, Steel, Automobile, FMCG and Biotechnology, to name a few. TPREL continues to expand its renewable energy portfolio and reinforce its position as one of India's leading renewable energy companies. The Company remains committed to developing innovative clean energy solutions that contribute to India's target of achieving 500 GW of non-fossil fuel capacity by 2030 and Tata Power's vision of a sustainable energy future. This project underscores TPREL's strong engineering expertise and execution excellence, highlighting our capability to deliver complex, technology-driven renewable energy assets within demanding timelines. We remain steadfast in our commitment to developing innovative clean energy infrastructure that enhances grid resilience, supports industrial decarbonization, and advances India's vision of a sustainable, low-carbon energy future. With the addition of this project, TPREL's total renewable utility capacity has reached 12.3 GW. Out of this around 7 GW is operational, including 5.7 GW of solar and 1.3 GW of wind capacity, while close to 5.3 GW is under various stages of implementation, which includes 2.2 GW solar and 3.1 GW wind, which are expected to be commissioned in phases over the next 6-24 months. About Tata Power: The Tata Power Company Limited, a vertically integrated power company and part of the Tata Group, India’s largest multinational business conglomerate, has built a diversified portfolio across the entire power value chain, with its total operational and under-construction capacity surpassing 26 GW. This includes approximately 17.7 GW of clean and green energy capacity (including projects under construction) and around 8.8 GW of thermal generation capacity, ensuring a balanced and resilient energy mix. The Company also has a strong transmission and distribution footprint, with over 7,800 circuit kilometres of transmission lines, including pipeline projects, and serves over 13 million customers across its distribution businesses, making it one of India’s largest private power distribution companies. Further strengthening its leadership in future-ready energy solutions, Tata Power has established 4.9 GW of integrated solar cell and module manufacturing capacity, signed 2.8 GW of pumped hydro storage projects, and expanded its EV charging network to over 7,000 public charging points across 717 cities and towns in India. As a pioneer in India’s clean energy transition, Tata Power remains committed to achieving Net Zero by 2045 and continues to partner with public and private stakeholders to deliver reliable, sustainable, and technology-led energy solutions across the country. Disclaimer The following press release/announcement may contain forward-looking statements within the meaning of applicable securities laws and regulations. These statements are based on management's current views, expectations, assumptions, and projections regarding the Company's future performance, business plans, growth prospects, competitive and regulatory environment, and other related matter. Such forward-looking statements are subject to various risks and uncertainties, which may cause actual results to differ materially from those expressed or implied in the statements. Factors that could cause actual results to differ materially from those contemplated in the forward-looking statements are not limited to changes in economic conditions affecting demand/supply and price conditions in the domestic and overseas markets in which the Company operates, alterations in the business environment, fluctuations in Government regulations, laws, statutes, judicial pronouncements, and other incidental factor. The Company does not undertake any obligation to publicly update or revise any forward-looking statements based on subsequent events, information, or developments, except as required by applicable laws and regulations. For further information, please contact: Jyoti Kumar Bansal, Chief – Branding & Communications, Tata Adfactors PR: Power Siddharth Kumar Email: jyotikumar.bansal@tatapower.com 9902929187 Siddharth Gaur – Head Public Relations, Tata Power Email: siddharth.kumar@adfactorspr.com E-mail: siddharth.gaur@tatapower.com