Press Release

Date: 9th September, 2026 To To National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G Phiroze Jeejeebhoy Towers Bandra Kurla Complex Dalal Street Bandra (E), Mumbai – 400 051 Mumbai – 400001 Scrip Symbol: EIEL Scrip Code: 544290 Subject: Press Release Dear Sir/Madam. We are enclosing herewith a press release titled “Enviro Infra Engineers’ Step Down Subsidiary Suyog Urja Receives ₹224.19 Crore (including GST) LOI from Tata Power Renewable Energy for Wind EPC Project” issued by the Company. Kindly take the above information on record. Thanking you, For Enviro Infra Engineers Limited (Piyush Jain) Company Secretary & Compliance Officer A57000 Enviro Infra Engineers’ Step Down Subsidiary Suyog Urja Receives ₹224.19 Crore (including GST) LOI from Tata Power Renewable Energy for Wind EPC Project • LOI for EPC turnkey works for a 180 MW NTPC Wind Power Project at Parli, Maharashtra • Scope covers WTG foundation, Balance of Plant and 33 kV transmission line works, including foundation works for 58 WTGs and development of a ~39-acre storage yard New Delhi, 9th September 2026: Enviro Infra Engineers Limited (EIEL) (NSE: EIEL, BSE: 544290), a leading EPC company in water and wastewater treatment, through its Step Down Subsidiary Suyog Urja Limited (SUL), has received a Letter of Intent (LOI) from Tata Power Renewable Energy Limited (TPREL) for the execution of EPC turnkey works for the development of a 180 MW NTPC Wind Power Project at Parli, Maharashtra. The LOI has a contract value of ₹224.19 Crore (including GST) and is to be executed by 31st March 2027. The scope of work encompasses Wind Turbine Generator (WTG) foundation works, Balance of Plant (BoP) works and 33 kV transmission line works. The WTG foundation package includes civil foundation works for 58 WTGs, along with associated reinforcement steel and geotechnical requirements. Under the BoP scope, SUL will undertake the development of an approximately 39-acre storage yard, coordination and management of Right of Way (ROW) for material movement, and construction of access roads, pathways and crane pads, along with other associated civil and infrastructure works. The LOI also covers the construction and commissioning of the 33 kV transmission line, including route survey and design, supply and erection of poles/towers, conductors, insulators and associated hardware, as well as ROW-related activities and installation of STATCOM/harmonic filter systems. Commenting on the development, Mr. Sanjay Jain, Chairman, Enviro Infra Engineers Limited, said, “The contract win marks an important milestone in strengthening our presence in the wind EPC segment and further validates the capabilities we have added through Suyog Urja. The 180 MW project reinforces our ability to participate in large-scale renewable energy infrastructure projects and complements our growing presence across solar, wind and energy storage. We remain focused on building a diversified renewable energy platform backed by strong execution capabilities, technical expertise and disciplined project delivery. As India’s renewable energy capacity continues to expand, we see significant opportunities to contribute to the country’s clean energy transition through reliable, high-quality infrastructure.” The LOI further strengthens EIEL growing renewable energy portfolio and reinforces its strategy of building diversified, integrated capabilities across the clean energy infrastructure ecosystem. About Enviro Infra Engineers Limited: Enviro Infra Engineers Limited, incorporated in 2009 and headquartered in New Delhi, is an infrastructure company specializing in the design, construction, operation and maintenance of Water and Wastewater Treatment Plants (WWTPs) and Water Supply Scheme Projects (WSSPs) for government authorities across India. The Company's expertise spans Sewage Treatment Plants (STPs), Sewerage Schemes (SS), Common Effluent Treatment Plants (CETPs), Water Treatment Plants (WTPs), pumping stations and water supply pipelines, supported by advanced treatment technologies, including Zero Liquid Discharge (ZLD) solutions. Building on its strong foundation in water and wastewater infrastructure, the Company has diversified into renewable energy through its subsidiary, EIE Renewables, with capabilities across solar, wind and Battery Energy Storage Systems (BESS), further strengthening its presence in sustainable infrastructure. Backed by an experienced in-house engineering team and strategic joint venture partnerships, Enviro Infra Engineers delivers complex infrastructure projects while adhering to the highest quality, environmental and regulatory standards. The Company's projects are supported by key government initiatives, including the Atal Mission for Rejuvenation and Urban Transformation (AMRUT), the National Mission for Clean Ganga (NMCG) and the Jal Jeevan Mission (JJM), reinforcing its commitment to strengthening India's water and environmental infrastructure. For more information visit: www.eiel.in For further information please contact: Mr. Piyush Jain Mr. Rahul Trivedi / Mr. Mohit Upadhyay / Company Secretary and Compliance Officer Ms. Mansi Pasari Enviro Infra Engineers Limited Investor Relations, Adfactors PR investors.relation@eiepl.in rahul.trivedi@adfactorspr.com mohit.upadhyay@adfactorspr.com mansi.pasari@adfactorspr.com Cautionary statement concerning forward-looking statements Certain statements in this document may constitute forward-looking statements within the meaning of applicable securities laws and regulations. These statements are based on management's current expectations, estimates and assumptions regarding future events and are subject to various risks, uncertainties and other factors that could cause actual results to differ materially from those expressed or implied by such forward-looking statements. These risks and uncertainties include, but are not limited to, changes in economic conditions, government policies, regulatory developments, competitive dynamics and other factors beyond the Company's control. Readers are cautioned not to place undue reliance on these forward-looking statements. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required under applicable law.