Integrated Annual Report of the Company for FY 2025-26

3f{rf, €EqT ft{Erb frtrfud o,rqfilq /Corporate Office oil lndia Limited sfrq-a aeu{lotl House, d ei. / Ptot N0.19, *ros/Sector -16A, e{ urtd z ffr d{i pF -r c{ ?fe fT @$-a d qtu as /Pr hl oN nlo eid a-201 301 (s.s.) (U.P.) +9 1 -1 20-24 1 9000 A Maharatna CPSE under Government of lndia €-*a/E-mail : oilindia@oilindia. in Ref. No. OIL/SEC/32-33/NSE-USII Dated: 25.08.2026 National Stock Exchange of India Limited BSE Limited lrxchange Plaza, Department of Corporate Service Plot No. C/1. G Block. Phi roze .Teej eebhoy'l-owers Bandra Kurla Complex. Dalal Street Bandra (lr), Mumbai - 400 051 Mumbai - 400 001 Symbol: OIL Security Code: 533106 Sub: Notice of 67th Annual General Meeting (AGM) & Intesrated Annual Renort of the Companv for FY 2025-26 Ref:- Resulation 30 & 34 of the SEBI(LODR) Resulations. 20ls Sir / Madam We write in continuation to our letter of even no. dated 19.08.2026 intimating that thc 67th Annual General Meeting (AGM) of the Company will be held on Thursday, lTth day of September,2026 at I l:00 a.m. through Video Conferencing (VC)/Othcr Audio Visual Means (OAVM) and submit herewith the Notice of 67th AGM along with Integrated Annual Report of the Company for FY 2025-26. The same are also being hosted on the Company's website at www.oil-india.com and on the website of e- voting Agency, Central Depository Services (lndia) Limited at www.evotingindia.conr Notice of 67tl' AGM along with Integrated Annual Report 2025-26 are being scnt through e-ntail to the Members whose e-mail IDs are registered with the Company / Depositories. Fufther, in compliance of Regulation 36(lXb) of SEBI (LODR) Regulations, 2015. a separate letter containing the web-link and the path of Integrated Annual Report 2025- 26, is also being sent to those Shareholder(s), who have not registered their email IDs. This is for your information & records please. Thanking You' yours faithfuily. For Oil India Limited A.K. Sahoo '"&ffiili:'J"JiiL* Cop.v to: Central Depository Services (lndia) Limited National Securities Depository Limited KFin Technologies Limited, RTA ddQdorqfdsgfrqrdla,Bqlq,3tfffl, /Regd. Office Duliajan, Pin - 786602, Dibrugarh, Assam, Tet.: +913742804510, +g,lt742go}42t Web: www.oil-india.com I CIN - L11101AS1959cOt001148 Building with Purpose & Integrity INTEGRATED 2025-26 ANNUAL REPORT To make the country developed, we are now moving towards ‘Samudra Manthan’ (churning of the ocean). Taking forward our Samudra Manthan, we want to work in a mission mode towards finding oil reserves, gas reserves under the sea and hence India is going to start the National Deep Water Exploration Mission. This is our important announcement to become energy independent. Shri Narendra Modi Hon’ble Prime Minister of India To make the country developed, we are now moving towards ‘Samudra Manthan’ (churning of the ocean). Taking forward our Samudra Manthan, we want to work in a mission mode towards finding oil reserves, gas reserves under the sea and hence India is going to start the National Deep Water Exploration Mission. This is our important announcement to become energy independent. Shri Narendra Modi Hon’ble Prime Minister of India Leadership at OIL Left to Right: Shri Trailukya Borgohain, Director (Operations); Shri Saloma Yomdo, Director (Exploration & Development); Dr. Ranjit Rath, Chairman & Managing Director; Shri Abhit Majumder, Director (Finance); Dr. Ankur Baruah, Director (Human Resources) Leadership at OIL Left to Right: Shri Trailukya Borgohain, Director (Operations); Shri Saloma Yomdo, Director (Exploration & Development); Dr. Ranjit Rath, Chairman & Managing Director; Shri Abhit Majumder, Director (Finance); Dr. Ankur Baruah, Director (Human Resources) Table of Vision Contents Be a leading and future ready integrated energy company committed to sustainable energy security of India through Section 01 Section 02 performance excellence. STATUTORY REPORTS CORPORATE OVERVIEW 10 Chairman's Message 78 Notice of 67th AGM 17 Board of Directors 91 5 years performance at a Glance 21 General Information 93 Directors’ Report 22 Key Milestones Management Discussion and Analysis Report Our 27 Integrated Report 171 Annual Report on CSR Activities 28 About the Report Values 180 Report on Corporate Governance 31 About the Company Business Responsibility and 34 Awards and Recognition Sustainability Report 35 Highlights of the Year FY 2025-26 LEGACY KNOWLEDGE 36 Key Events across FY 2025-26 Section 03 FINANCIAL STATEMENTS Building on OIL's hundred-year legacy, we We value continuous learning and development 37 Governance strive to uphold our unwavering commitment and support our employees to become better Stakeholder and Independent Auditors’ Report on the to the nation's energy security. and enhance their skills. We strive to invest in 42 208 Materiality Assessment Standalone Financial Statements our employees to take our organization to the INTEGRITY highest levels of success. 44 Business Model 233 Comments of the C&AG on the Integrity is the cornerstone of our success. Standalone Financial Statements COMMITMENT 46 Manufactured Capital We aim to uphold the highest standards of 234 Standalone Financial Statements ethical conduct while performing business We are driven to ensure reliable and 56 Financial Capital activities. affordable energy for the country's growing Independent Auditors’ Report on the energy security requirements through a 59 Intellectual Capital Consolidated Financial Statements SUSTAINABILITY performance-oriented approach and are 62 Human Capital Comments of the C&AG on the Envisioning a sustainable future, we commit committed to deliver superior value 396 Consolidated Financial Statements to embracing Environmental, Social, and generation to our shareholders. 65 Natural Capital Governance (ESG) principles to drive positive 398 Consolidated Financial Statements 70 Social Capital change and foster long term value for our 566 Glossary stakeholders, society and the planet. 74 Way forward Table of Vision Contents Be a leading and future ready integrated energy company committed to sustainable energy security of India through Section 01 Section 02 performance excellence. STATUTORY REPORTS CORPORATE OVERVIEW 10 Chairman's Message 78 Notice of 67th AGM 17 Board of Directors 91 5 years performance at a Glance 21 General Information 93 Directors’ Report 22 Key Milestones Management Discussion and Analysis Report Our 27 Integrated Report 171 Annual Report on CSR Activities 28 About the Report Values 180 Report on Corporate Governance 31 About the Company Business Responsibility and 34 Awards and Recognition Sustainability Report 35 Highlights of the Year FY 2025-26 LEGACY KNOWLEDGE 36 Key Events across FY 2025-26 Section 03 FINANCIAL STATEMENTS Building on OIL's hundred-year legacy, we We value continuous learning and development 37 Governance strive to uphold our unwavering commitment and support our employees to become better Stakeholder and Independent Auditors’ Report on the to the nation's energy security. and enhance their skills. We strive to invest in 42 208 Materiality Assessment Standalone Financial Statements our employees to take our organization to the INTEGRITY highest levels of success. 44 Business Model 233 Comments of the C&AG on the Integrity is the cornerstone of our success. Standalone Financial Statements COMMITMENT 46 Manufactured Capital We aim to uphold the highest standards of 234 Standalone Financial Statements ethical conduct while performing business We are driven to ensure reliable and 56 Financial Capital activities. affordable energy for the country's growing Independent Auditors’ Report on the energy security requirements through a 59 Intellectual Capital Consolidated Financial Statements SUSTAINABILITY performance-oriented approach and are 62 Human Capital Comments of the C&AG on the Envisioning a sustainable future, we commit committed to deliver superior value 396 Consolidated Financial Statements to embracing Environmental, Soc [Showing first 8,000 characters — download PDF for full document]