General Updates

OIL AND NATURAL GAS CORPORATION LIMITED COMPANY SECRETARIAT ONGC/CS/SE/2026-27 01.07.2026 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: Disclosure under Regulation 30 of SEBI (LODR) Regulations, 2015 Change in Senior Management Madam/ Sir, Pursuant to Regulation 30 read with Schedule III of the SEBI (LODR) Regulations, 2015, it is hereby informed that change in senior management (one level below the Board) effective from 01.07.2026 is as under:- Name (S/Shri) Designation Type of Change Sachiv Kumar Executive Director Superannuation Rajesh Sharma Executive Director Superannuation Jagdamba Prasad G Dobriyal Executive Director Superannuation 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