Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, it is hereby informed that Oil India Limited will participate in Conference Call ....

~ $rg~ I R1Fcfte-s fcil<>If.ftC'l Cbl<!lfC"l<!l/Corporate Office 3l'fm;r N3Cf/OIL House, Oil India Limited ~ c;:f. IPlotNo.19,~/Sector -16A, a:rR(f m<!5R ~ 3fdtGr cfh:!srl Noida-201301 (3.~.)(U.P.) ~~ m/Phone: +91-120-2419000 AMaharatna CPSEunder OIL INDIA ~-~/E-mail: oilindia@oilindia.in Government of India Ref No. OILISEC/32-33/NSE-BSE Dated: 04.08.2026 National StockExchange ofIndia Limited BSELimited Exchange Plaza, Department of Corporate Service Plot No. CIl, G Block, Phiroze Jeejeebhoy Towers Bandra Kurla Complex, Dalal Street Bandra (E), Mumbai - 400 051 Mumbai - 400 001 Symbol:OIL SecurityCode:533106 Sub: Intimation ofConference Callfor 01 Financial Results (F.Y.2026-27) Ref: Regulation 30ofthe SEBI(LODR)Regulations,2015 Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, it is hereby informed that Oil India Limited will participate in Conference Call organised by DAM Capital Advisors Ltd., to discuss the Financial Results of the Company for Quarter 1 - FY 2026-27on Monday, 10th August, 2026 at 13:00 hours (1ST). The Concall is scheduled for 'Investor Group'. The Concall Invite is attached herewith. The above is for your information &records please. Thanking you, Yours faithfully, For Oil India Limited AK. Sahoo Company Secretary & Compliance Officer Encl.: As above ~~~f(;jI!lI\J1IG1 ,,,,3RNf,IRegd. Office Duliejan, Pin -786602, Dibrugarh, Assam, Tel.: +913742804510, +913742800427 ============== Web:www.oil-india.comICIN·L11101AS1959GOI001148 DAM Capital Advisors Ltd. invites you to a Conference Call to discuss Q1FY27 results of Oil India Ltd. on Monday, 10 August 2026 at 13:00 hrs (IST) Management Speakers Mr. Abhijit Majumder – Director (Finance) Mr. Saloma Yomdo – Director (Exploration & Development) Mr. Trailukya Borgohain – Director (Operations) Mr. Bhaskar Jyoti Phukan – MD, NRL Mr. Ajaya Kumar Sahoo – ED (Company Secretary) Mr. Raghunath Mishra – ED (BD) Mr. Abhijit Das – CGM (F&A) Dial-in Details Universal access: +91 22 6280 1384, +91 22 7115 8285 (accessible from all networks and countries) Diamond passcode link: click here International Toll-Free Numbers: Argentina 0080014243444 Germany 0080014243444 Singapore 8001012045 Australia 0080014243444 Hong Kong 800964448 South Korea 00180014243444 Belgium 0080014243444 Italy 0080014243444 Sweden 0080014243444 Canada 01180014243444 Japan 00531161110 Thailand 00180014243444 China 4008428405 Netherlands 08000229808 UK 08081011573 France 0800914745 Poland 008001124248 USA 18667462133 *Please dial-in at least 5-10 minutes prior to the schedule to get connected to the call in time For further information please contact Kishan Gopal Mundhra / Jainam Jain DAM Capital Advisors Limited : +91 22 4202 2506 / 2581  kishan@damcapital.in / jainam@damcapital.in