Integrated Annual Report 2025-26

01st August, 2026 To To Corporate Relations Department Corporate Listing Department BSE Limited National Stock Exchange of India Ltd. 1st Floor, New Trading Ring Exchange Plaza, 5th Floor Rotunda Building, Plot No.C-1, P J Tower Dalal Street G Block Bandra-Kurla Complex Bandra Mumbai 400 001. (East), Mumbai 400 051. BSE CODE: 500110 NSE CODE: CHENNPETRO ISIN: INE178A01016 SUBJECT: INTEGRATED ANNUAL REPORT FOR FY 2025 - 26 INCLUDING NOTICE OF 60th ANNUAL GENERAL MEETING (AGM) OF THE COMPANY Dear Sir/Madam, This is further to our letter dated 31st July, 2026, wherein the Company had informed that the 60th AGM of the Company is scheduled to be held on Monday, the 24th August, 2026 through Video Conference / Other Audio-Visual Means (VC/OAVM). In compliance with the provisions of Companies Act 2013, rules framed thereunder, and Regulation 34(1) read with Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended, please find enclosed the following documents for the financial year 2025-26, which have also been sent to shareholders:  Integrated Annual Report for the financial year 2025-26 including Notice of the 60th Annual General Meeting and Business Responsibility & Sustainability Report. Aforesaid documents are also on the website of the Company, i.e. https://cpcl.co.in/investors/financials/annual-reports/ and on the website of KFin Technologies Limited at https://evoting.kfintech.com/ . Please take the above on your record. Thanking You, Yours Faithfully, For Chennai Petroleum Corporation Limited Lalit Kumar Mohanty Encl: a/a Company Secretary Integrated Annual Report 2025-26 RE fining defined Infinite possibilities for sustainable value creation Chennai Petroleum Corporation Limited 60th Annual Report Nurturing Stakeholder Value Refining Redefined reflects CPCL's transformation into a future-ready, innovation- Agility in a Dynamic World led energy enterprise that is reimagining value creation for stakeholders. FY 2025-26 was a landmark year, marked by CPCL's elevation to Navratna status, the launch of , Vision for the Future CPCL’s retail fuel brand, and the celebration of its Diamond Jubilee, honoring six decades of excellence while embracing the opportunities Resilience through Transformation of the future. Symbolized by the infinite motif and guided by the GUIDE Framework, CPCL is driving operational excellence, digital transformation, sustainability and innovation Accountability in Governance to strengthen resilience, unlock new growth opportunities and create enduring value for stakeholders, the nation and future Trust with Stakeholders generations. Navigation of Emerging Opportunities Autonomy towards Growth As part of its continued commitment to transparency and accountability, the non- Stronger Expansion – Joint financial disclosures presented in the Integrated Ventures & Acquisitions Annual Report and the BRSR Core disclosures for FY 2025–26 have been independently assured by Empowering a third-party assurance provider in accordance people and Greater with the International Standard on Assurance Energising Financial Engagements (ISAE) 3000 (Revised). India Autonomy Accelerated Enhanced CAPEX Investment & projects Strategic Decision making Corporate Overview Statutory Reports Financial Statements 04-103 104-251 252-427 Corporate Overview Integrated Value Creation Framework 05 Powering India’s Progress for Six Decades 06 About the report 11 Vision, Mission and Values 12 Our Journey 14 Triple Bottom line Highlights FY 2025-26 16 Elevated as Navratna Enterprise 18 Awards & Accolades 19 Corporate Information 20 Message from the Board of Directors 22 Board of Directors 26 Senior Corporate Executives 28 Value Creation Model 30 Integrated Business Model 32 Value creation through Six capitals 33 Creating Impact through UN SDGs 34 Performance over a Decade 36 Stakeholder Engagement 39 Materiality Assessment 46 Integrated Enterprise Risk Management 53 Task Force on Climate related Financial Disclosures (TCFD) 57 Financial Capital 64 Manufacturing Capital 68 Intellectual Capital 74 Human Capital 80 Social & Relationship Capital 88 Natural Capital 94 Statutory Report Notice 104 Report on Corporate Governance 118 Director’s Report 144 BRSR 209 Financial Statement Standalone 252 Consolidated 337 C&AG Report 422 Independent Assurance Statement 424 Integrated Annual Report 2025-26 3 stnetnoC CChheennnnaaii PPeettrroolleeuumm CCoorrppoorraattiioonn LLiimmiitteedd 6600tthh AAnnnnuuaall RReeppoorrtt CORPORATE OVERVIEW Corporate Overview Statutory Reports Financial Statements 04-103 104-251 252-427 Integrated Value Creation Framework plia n c e • Clim a te Action • Corporate Governance • Enterprise Risk Manage ment Business Ethi Wor Rld e-C finla es rs y P Ino oaiI n eP iO neoN ot pr do tae slm ityic als e h ol d er Environme Retail Ex (p Sa on os pi eo rn A TrI a/V inR in g e nt Mission • Values lity fe Floating Water Conservation A h, S Solar & Recycling s e s al Innovation Sustainability Excellence m Integrity Safety t Carbon Circular Management Economy GUIDE G U I D E Growing a Upgrading Inspiring Driving Enhancing Profitable Operations and People Sustainable External Portfolio Technology Capability Impact Reputation SIX CAPITALS Financial Manufactured Intellectual Social & Natural Human Capital Capital Capital Relationship Capital Capital Capital SUSTAINABLE VALUE CREATION Customers Employees Government Environment & Regulations Shareholders Communities Business Partners ALIGNED WITH UNITED NATIONS SUSTAINABLE DEVELOPMENT GOALS Integrated Annual Report 2025-26 5 Chennai Petroleum Corporation Limited 60th Annual Report Powering India's Progress for Six Decades Chennai Petroleum Corporation Limited (CPCL) is a premier The operational strength is further supported by its public sector enterprise operating in India’s downstream headquarters in Chennai, Tamil Nadu, and its strategically petroleum sector and a group company of Indian Oil advantageous location near key ports, crude sourcing Corporation Limited. Since its establishment in 1965, routes, and major consumption centres in southern India. CPCL has steadily evolved into a strategically significant This positioning enhances logistical efficiency and enables refining company, playing a vital role in strengthening India’s the Company to respond effectively to regional energy energy security and supporting the country’s industrial and demand. economic growth. Today, CPCL combines world-class refining capabilities, Over six decades, the Company has transformed from a diversified product offerings, digital innovation, and conventional refinery into a modern, technology-driven sustainable business practices to create long-term value organization with a strong focus on operational excellence, for customers, shareholders, employees, communities, sustainability, and value creation. This evolution reflects the and the nation. While maintaining operational excellence ability to adapt to changing energy dynamics, regulatory in conventional refining, the Company is simultaneously requirements, and market demands while continuously advancing cleaner fuels, specialty products, renewable enhancing its refining capabilities and product portfolio. energy integration, and resource-efficient operations, reinforcing its role in India's evolving energy transition. Corporate Overview Statutory Reports Financial Statements 04-103 104-251 252-427 Powering India's Progress for Six Decades Creating Value Every Day VALUE CORE OPERATING MARKETS CREATION OPERATIONS FOOTPRINT SERVED APPROACH Deriving Value from Strategically Positioned Refining Beyond Fuel Powering Black Gold Integrated refining Creating long-term value Diverse Sectors Refining crude oil into operations at Manali through operational Serving millions of transportation fuels, supported by robust excellence, innovation, customers across petrochemical feedstocks, logistics and proximity resource efficiency, digital p [Showing first 8,000 characters — download PDF for full document]