Integrated Annual Report for the F.Y. 2025-26

Date: 24th August, 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 S crip Symbol: EIEL Scrip Code: 544290 Sub: Integrated Annual Report for the F.Y. 2025-26 including Notice of the 16th Annual General Meeting (AGM) Dear Sir/Madam, In compliance with Regulation 30, 34 and 36 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended from time to time, please find attached herewith the Notice of the 16th AGM and the Integrated Annual Report of the Company for the financial year 2025-26, sent by email on 24th August, 2026 to those Members whose email addresses are registered with the Depositories as on 14th August, 2026. The same are also available on the website of the Company at: https://www.eiel.in/investor The 16th AGM of the Company will be held on Wednesday, 16th September, 2026, at 03:00 P.M. (IST) through Video Conferencing (“VC”) / Other Audio Visual Means (“OAVM”). The Members of the Company as on the cut-off date i.e., Wednesday, 9th September, 2026, shall be entitled to cast their vote on the resolutions set out in the Notice of the AGM and to attend the AGM. The remote e-voting period shall commence on Saturday, 12th September, 2026, at 9:00 A.M. (IST) and ends on Tuesday, 15th September, 2026, at 5:00 P.M. (IST). The remote e-voting module shall be disabled by Bigshare Services Private Limited for voting thereafter. The e-voting shall also be available to Members during the AGM on Wednesday, 16th September, 2026, to the Members, who had not voted earlier during the remote e-voting period. Kindly take the above information on record. For Enviro Infra Engineers Limited (Piyush Jain) Company Secretary & Compliance Officer A57000 Encl: a/a WHAT’S INSIDE WATER. RENEWABLES. Corporate Overview Corporate Identity 02 THE FUTURE. Portfolio 04 Message from the Chairperson 06 MD’s Communiqué 08 Key Strategies 12 India's future will be shaped by how effectively it secures Expansion Initiatives 16 two of its most critical resources, water and clean energy. Business Model 18 As the nation accelerates the transition towards a circular Financial Capital 20 water economy and a renewable-powered future, resilient Physical Capital 22 infrastructure, engineering innovation and execution Intellectual Capital 26 excellence will define the pace of progress. Aligned with Natural Capital 30 this national vision, Enviro Infra Engineers is building Human Capital 32 Social and Relationship Capital 34 solutions that address both imperatives: strengthening Stakeholder Engagement 40 water security while enabling the energy transition. Governance 42 Risk Management 44 Built on decades of engineering Alongside its established water Investor Information Board of Directors 46 excellence, Enviro Infra Engineers has business, the Company is building a Corporate Information 48 Market Capitalisation ₹2,648.83 Crore established itself as a trusted partner parallel renewable energy platform as on 31st March, 2026 in India's water and wastewater sector. spanning solar, wind and battery Statutory Reports CIN L37003DL2009PLC191418 Through its strong in-house energy storage systems (BESS). Management Discussion and Analysis 49 BSE Code 544290 engineering, design and execution Together, these complementary Director’s Report 61 capabilities, the Company continues growth platforms position Enviro Infra NSE Symbol EIEL Corporate Governance Report 78 to drive advanced solutions across Engineers as an integrated AGM Date Wednesday, 16th September, water reuse, sludge management and environmental infrastructure Business Responsibility & 111 2026 at 3:00 P.M. (IST) waste-to-energy, unlocking greater company, creating solutions that Sustainability Report AGM Venue Virtual value across the water lifecycle. advance circularity across water and Financial Statements energy while contributing to a more Standalone 160 sustainable future. Disclaimer: This document contains statements about expected future events and Consolidated 246 financials of Enviro Infra Engineers Limited (‘The Company’), which are forward-looking. By their nature, forward-looking statements require the Company to make assumptions AGM Notice 342 and are subject to inherent risks and uncertainties. There is significant risk that the assumptions, predictions, and other forward-looking statements may not prove to be accurate. Readers are cautioned not to place undue reliance on forward-looking statements as several factors could cause assumptions, actual future results, and events to differ materially from those expressed in the forward-looking statements. Accordingly, this document is subject to the disclaimer and qualified in its entirety by the assumptions, qualifications, and risk factors referred to in the Management Discussion and Analysis section of this Integrated Annual Report. Scan this QR code to access investor-related information Or please visit: https://www.eiel.in/investor Corporate Overview SR FS CORPORATE IDENTITY Values DRIVING CHANGE THROUGH Environmental Transparency and Efficiency and Stewardship Accountability Innovation RESPONSIBLE INFRASTRUCTURE Protecting natural resources and Communicating openly with the Maximising resource recovery from minimising the impact of community about plant operations wastewater. Embracing innovative wastewater discharge on and performance. Being accountable technologies and processes for Enviro Infra Engineers Limited ('EIEL' or 'The Company') is a technology-driven ecosystems. Implementing for compliance with regulations and efficient treatment. environmental infrastructure company focused on solving some of the environment’s sustainable practices to ensure quality standards. long-term environmental health. most pressing challenges—water scarcity and clean energy generation. The Company operates through two distinct, independent growth engines: its core water and wastewater infrastructure business; the second is the renewable energy Continuous Safety and Community Improvement Health Engagement platform held under its subsidiary, EIE Renewables Private Limited (EIER). Regularly assessing and upgrading Ensuring a safe working environment Engaging with local communities to treatment processes. Learning from for employees and contractors. address concerns and build trust. The Promoters were previously incidents and striving for excellence. Prioritising public health by treating Educating the public about carrying on the business through a Vision wastewater effectively. wastewater treatment and partnership firm since June 2001, its importance. which took a formal corporate Pioneering Excellence in Wastewater Solutions structure upon the incorporation of the Company in 2009. Since 2009, To ascend as a preeminent force in the industrial and municipal wastewater EIEL has delivered 57 projects with a sectors, we pledge to deliver the highest quality integrated wastewater solutions, cumulative treatment capacity of 958 nurturing a clean, green, and sustainable environment. MLD across 14 states in India. Its integrated, in-house execution Revolutionising Water Conservation The Numbers behind capabilities support the delivery of We champion the reuse of treated water from STPs and CETPs, significantly EIEL’s Growth Sewage Treatment Plants (STPs), reducing the strain on precious clean drinking water. Common Effluent Treatment Plants (CETPs) and Water Supply Schemes. Core Strengths Empowering Energy Independence 35 68,136 The Company is well-positioned to + Years ₹ Million undertake advanced water treatment By generating power during the wastewater treatment process and harnessing solar solutions, including Zero Liquid energy, we diminish reliance on external electricity sources and cut down on In-House Design and Execution Track Record in Water and Consolidated Orderbook Discharge (ZLD) and tertiary treatment [Showing first 8,000 characters — download PDF for full document]