Certificate under SEBI (Depositories and Participants) Regulations, 2018

gEqr ktHs ffia afi'qa tElqlaq/corporate office r Oi! lndia Limitd sfqa EBulotL House, e{tza r{16rr d adla wYe d.Ptot No. 19, iEer/Sector-16A, p.E a6r?.a rtlrflpr{{ a'lEsrlNoida-2o1 3ot (3.9. ) (u.p) qYffiiiEqr A Maharatna CPSE under q'la/Phone: +91 -1 2O-241 gOOO otl tltDrA Government of lndia {-iale-mait: oilindia@oilindia.in Ref No OlL/SEC/32-33/NSE-BSE Dated: 09.07.2026 National Stock Exchange of lndia Limited BSE Limited Exchange Plaza, Plot No. C/1, G Block, Department of Corporate Service Bandra Kurla Complex, Phiroze Jeejeebhoy Towers Bandra (E), Mumbai - 400 051 Dalal Street, Mumbai - 400 001 Symbol: OIL Security Code: 533106 Sub: Compliance Certificate under Requlation 74(5) of the SEBI (Depositories & Participants) Requlations. 2018 for Quarter ended 30.06.2026 Sir/Madam, We are enclosing herewith Certificate received from KFin Technologies Limited, Registrar & Share Transfer Agent of Company confirming compliance with the provisions of Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018for the quarter ended 30th June, 2026. This is for your information & record please. Thanking you. Yours faithfully, For Oil lndia Limited A.K. Sahoo Company Secretary & Compliance Officer Encl.. As above (dtpa omlau Sfhuula, fBqaa, a*alRegd. Office Duliajan, Pin - 786602, Dibrugarh, Assam, Tel. : +91-3742804510, +91-3742800427 Web: www.oil-india.com I CIN - L11101AS1959cO1001148 FINTECH K Toll Free Number: 1800 3094 001 Tel. No: +91 ?2 &17 0911 Dale: 02.07.2026 M/S OIL INDIA LIMITED PLOT NO 19, SECTOR 16.4 NOTDA - 201301 UTTAR PRADESH Dear Sir, subject: confirmation certificate in the matter of Regulation 74(s) ol Securities and Exchange Board of lndia (Depositories and participants) Regulations, 201g. ln reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialization during the quarter ended 30th June, 2026 were confirmed (accepted/rejected) to the deposito-ries by us ind that securities comprised in the said certificates have been listed on the stoik exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialization have been confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the reglstered owner within 15 days. We request you to kindly take note of the above in your records. Thanking you Your Faithfully FoT KFin TECHNOLOGIES LIMITED olrfsn cHANDRA PArRo Deputy Vice President KFin Technologies Limited 9 Operations Centre: Registered Office: KFin Technologies Limited, Selenium. Tower B, Plot No-31 & 32, KFin Technologies Limited. 301. The Centrium, Finan(ial District Nanakramguda, Serilingampally, 3rd Flool., 57, Lal Bahadur Shastri Road, Nav Pada, Hyderabad - 500032, Telangana, lndia. Kurla (west). Mumbai - 4(x) 070, Maharashtra CIN: 172,1fl)ttaH2()17P1C,r44072