Change in Senior Management Personnel.

sfeaq aTad draRfeerfiHcs Wf1-8, a1efl areR ST AR, sigr (qd), Hag - 8oooys. Indian Oil Corporation Limited CIN- L19201MH1959G01011388 IndianCOll Regd. Office: 'IndianQil Bhavan', G-9. Ali Yavar Jung Marg, Bandra (Easf), Mumbai - 400 051. AMaharatna Tel: 022 26447616 COMPANY Secretarial Department Email id : investors@indianoil.in * website : www.iocl.com No. Secl/Listing 1**November 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor, 25th Floor, Bandra —Kurla Complex, P.J. Towers, Bandra (E), Dalal Street, Mumbai — 400051 Mumbai — 400001 Scrip Symbol: 10C Scrip Code: 530965 Ref: ISIN: INE242A01010 Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations 2015 — Change in Senior Management Personnel Dear Sir, Pursuant to the Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations 2015, it is hereby informed that the following Senior Management personnel of IndianOil (One level below the Board of Directors) have superannuated from the services of the Company on 31 October 2026. SINo. | Name Designation 1. Shri Subrat Kar Executive Director (Planning & Economic Studies), Marketing Head Office 2. Dr. Alex C Pulikottil | Executive Director (Petrochemical & Catalyst), R&D Centre The above is for information and record please. Thanking you, Yours faithfully, For Indian Oil Corporation Limited (Kamal Kumar Gwalani) Company Secretary