Outcome of Board Meeting

OIL AND NATURAL GAS CORPORATION LIMITED COMPANY SECRETARIAT ONGC/CS/SE/2026-27 25.06.2026 National Stock Exchange of India Ltd. BSE Limited Listing Department Corporate Relationship Department Exchange Plaza Phiroze Jeejeebhoy Towers Bandra-Kurla Complex, Bandra (E) Dalal Street, Fort Mumbai – 400 051 Mumbai – 400 001 Symbol-ONGC; Series – EQ BSE Security Code No.: 500312 NCD: 959881 Sub: Outcome of Board Meeting Madam/ Sir, The Board of Directors of the Company, at its meeting held today i.e. 25.06.2026, has inter-alia considered the following proposals: 1. Appointment of Shri Satyan Kumar, Director (Strategy & Corporate Affairs), as a Key Managerial Personnel. The Board of Directors has approved the appointment of Shri Satyan Kumar, Director (DIN: 10181958), Director (Strategy & Corporate Affairs) as a Key Managerial Personnel of the Company with immediate effect. 2. Appointment of Shri Anupam Agarwal, Director (Finance) as Chief Financial Officer of the Company The Board of Directors of the Company has approved the appointment of Shri Anupam Agarwal (DIN: 09601339), Director (Finance) as Chief Financial Officer (CFO), Key Managerial Personnel of the Company with immediate effect in place of Shri Yogish Nayak S. His brief profile and other details as per SEBI circular is attached as “Annexure-A”. The meeting of Board of Directors commenced at 17:30 hrs and concluded at 21:15 hrs. This is for your information and record, please. Thanking You, Yours Sincerely, for Oil and Natural Gas Corporation Ltd. (Shashi Bhushan Singh) Company Secretary & Compliance Officer Regd. Office: Plot No 5A-5B, Nelson Mandela Marg, Vasant Kunj, New Delhi-110070 Phone: 011-2675 4073, 011-2675 4085 EPABX: 2675 0111, 2629000 CIN: L74899DL1993GOI054155 Website: www.ongcindia.com Email: secretariat@ongc.co.in OIL AND NATURAL GAS CORPORATION LIMITED COMPANY SECRETARIAT Annexure-A Brief profile of Shri Anupam Agarwal Additional Information in terms of SEBI Circular Sl. No. Particulars Details a. Reason for Appointment change b. Date & term Shri Anupam Agarwal is appointed as Chief Financial Officer (CFO) with effect from 25.06.2026. appointment c. Brief profile Shri Anupam Agarwal brings over 35 years of rich experience in finance and commercial management within the oil and gas sector. A Fellow Member of the Institute of Cost Accountants of India, an Associate Member of the Institute of Company Secretaries of India, and a Chartered Financial Analyst from ICFAI, Hyderabad. An alumnus of Lucknow University, he holds a Bachelor’s degree in Commerce and a Master of Business Administration (Finance). Shri Agarwal joined ONGC in 1990 as a Finance & Accounts Officer and has since held various assignments in finance domain across Baroda, Dehradun, Jorhat, Mumbai and Delhi. Over the course of his career, he has gained extensive experience across the entire spectrum of finance functions at both operational and corporate levels. He has been appointed as Director (Finance) of Oil and Natural Gas Corporation Limited (ONGC) by the Government of India. As a member of the Board, he will lead the Corporation’s financial strategy and stewardship, supporting sustainable growth, prudent treasury management and long-term value creation. Prior to joining the Board of ONGC, Shri Agarwal served as Director (Finance) of ONGC Videsh Limited since June 2022 and also as Chairman of ONGC Overseas Investment Limited (OOIL) and as a Director on the Board of ONGC Videsh B.V., Amsterdam. At ONGC Videsh, Shri Agarwal played an important role in advancing a number of initiatives aimed at strengthening financial performance and organizational efficiency. His efforts included restructuring overseas entities to improve governance, compliance and cost effectiveness, alongside enhancing treasury practices in a dynamic international operating environment. During this period, ONGC Videsh successfully mobilized funding in excess of US$ 3 billion through competitively structured financing arrangements aligned with its global growth plans. Among his notable contributions was the establishment of ONGC Overseas Investment Limited (OOIL) at GIFT City as the Group’s Global Treasury Centre. Earlier, as Executive Director – Chief Corporate Finance at ONGC, he steered key corporate finance functions in a diverse and widespread portfolio spanning across Direct Tax, Indirect Tax, Policy matters, Investor Relations, Corporate Budget, Project Appraisal, Bidding for NELP and DSF Blocks, etc. His contributions to the finance profession have been recognized through the ASSOCHAM by conferring Best CFO Gold Award 2025 for Excellence in Finance Transformation & Innovation and the CFO – Outstanding Performer Award at the CMA Awards 2024 conferred by the Institute of Cost Accountants of India (ICMAI). During his tenure, ONGC Videsh was also conferred the ICAI Silver Award for Excellence in Financial Reporting 2024-25 in the Public Sector Entities category. Shri Anupam Agarwal brings a strong blend of financial acumen and strategic perspective that will further reinforce ONGC’s financial strength and support its evolution as an integrated energy company. d. Disclosure of None relationships between directors Regd. Office: Plot No 5A-5B, Nelson Mandela Marg, Vasant Kunj, New Delhi-110070 Phone: 011-2675 4073, 011-2675 4085 EPABX: 2675 0111, 2629000 CIN: L74899DL1993GOI054155 Website: www.ongcindia.com Email: secretariat@ongc.co.in