Intimation of Closure of Trading Window

Btr{f, €fuT ftilETk Frarfud o,rcrfiffi /Corporate Office I oil lndia Limited efr{d Ersfllotl House, firrd e-err{ d If ts fT ff ii-d dgsrl; i. N J/ oP idto at - 2N 0o 1. 1 3 09, 1 f (r sry .qr/ .S ) e (c Ut .o Pr . )-16A, eilrdiiRlur tr6 d-6RGI qfa/Phone: +91 -1 20-241 9000 A Maharatna CPSE under 0r1 rltDtA Government of lndia d-fa/E-mail: oilindia@dlindia.in Ref. No. OIL/SEC/45/|T Dated: 27.07.2026 National Stock Exchange of !ndia Limited BSE Limited Exchange Plaza, Department of Corporate Service Plot No. C/l, G Block, Phiroze Jeejeebhoy Towers Bandra Kurla Complex, Dalal Street Bandra (E), Mumbai - 400 051 Mumbai - 400 001 Symbol: OIL Security Code: 533106 Sub: lntimation of Closure of Tradino Window SEBI (Prohibition of lnsider Tradinq) Reoulations. 2015 Sir/Madam, This is in continuation to our letter of even no. dated 24.06.2026 on the above subject informing Closure of Trading Window from 01't July, 2026fl|48 hours after the Financial Results for the Quarter ended 30th June, 2026 is made public. It is now notified that the Trading Window shall remain closed upto 09th August, 2026 in view of the Board Meeting scheduled on 07th August, 2026 to consider and approve Unaudited Financial Results for Quarter ended 30th June, 2026. This is for your information & records please. Thanking you, Yours faithfully For Oil lndia Limitei A.K. Sahoo Company Secretary & Compliance Officer tfrAdorqfdqgfuql-flid,BqII6.3i-$r, /Regd. Office Duliajan, Pin - 786602, Dibrugarh, Assam, Tet.: +913742804510, +913742800421 Web: www.oil-india.com I CIN - Ll1101AS1959cOt001148