Press Release

August 24, 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 Marks a Major Milestone with Commissioning of 190.5 MW FDRE 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 Marks a Major Milestone with Commissioning of 190.5 MW FDRE Project in Rajasthan Photo Caption: Tata Power Renewables advancing India's energy transition through its 190.5 MW FDRE project at Kalasar, Bikaner, Rajasthan. • The 190.5 MW project has been developed under SJVN Firm and Dispatchable Renewable Energy (SJVN FDRE) Tranche-1 and is a part of the bigger 460 MW FDRE project • Project to strengthen grid reliability through 115 MWHr advanced Battery Energy Storage System (BESS) National August 24, 2026: Tata Power Renewable Energy Limited (TPREL), one of India's leading renewable energy company and a subsidiary of The Tata Power Company Limited (Tata Power), has commissioned its 190.5 MW Solar FDRE project at Kalasar, Bikaner, Rajasthan which is under the contractual capacity of 460 MW Firm and Dispatchable Renewable Energy (FDRE) Project. The 190.5 MW project has been developed under SJVN FDRE Tranche-1. The project will supply energy to Haryana Power Purchase Centre (HPPC), Maharashtra State Electricity Distribution Company Limited (MSEDCL) and Noida Power Company Limited (NPCL) discoms. The project marks another significant milestone in India's clean energy journey by integrating large-scale solar generation with advanced energy storage and grid support technologies to deliver reliable, dispatchable renewable power. The project demonstrates TPREL's engineering excellence and execution capabilities, having overcome several complex challenges including compressed project timelines, global supply chain disruptions impacting the availability of transmission line materials, module mounting structures and other critical equipment. It has successfully adopted several new technologies such as BESS, Harmonic Filter Bank and Static Var Generator systems. Among the project's notable execution milestones was the completion of the switchyard within just three months and the Harmonic Filter Bank within one month, reflecting TPREL's focus on speed, quality and execution excellence. With this project, TPREL's total renewable utility capacity has reached 12.4 GW. Of this, around 6.9 GW is operational, including 5.6 GW of solar and 1.3 GW of wind capacity, while close to 5.5 GW is under various stages of implementation, are expected to be commissioned in phases over the next 24 months. 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. 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: Siddharth Kumar, Jyoti Kumar Bansal, Chief – Branding & Communications, Tata Power AdfactorsPR 9902929187 Email: jyotikumar.bansal@tatapower.com Email: siddharth.kumar@adfactorspr.com Siddharth Gaur – Head Public Relations, Tata Power E-mail: siddharth.gaur@tatapower.com