Intimation of Closure of Trading window

~ $rg~1 R1fcftes fcitalfcAd Cfjl;afc:t;a ICorporate Office Oil India Limited <fore of.!Unit No. K-400, 500, 600,ClCR-c5l Tower-K, I ;m«r mcBR ~ 31fftGr crct ~ ~ IWorld Trade Centre ~~~ ~ GlVRINauroji Nagar,~ New Delhi-110029 ~~ 1Ii'rn/Phone: +91-011-26181010 AMaharatnaCPSEunder OIL INDIA Government of India ~-~ IE-mail: oilindia@oilindia.in Ref. No. OlLlSEC/45/1T Dated: 27.10.2026 NationalStock Exchange of India Limited BSELimited Exchange Plaza, Department of Corporate Service Plot No. C/1 , G Block, Phiroze Jeejeebhoy Towers Bandra Kurla Complex, Dalal Street Bandra (E), Mumbai -400051 Mumbai -400 001 Symbol: OIL Security Code:533106 Sub: Intimation of Closure of Trading Window Ref: SEBI(Prohibition of Insider Trading) Regulations, 2015 Sir/Madam, This is in continuation to our letter of even no. dated 25.09.2026 on the above subject i.e. Closure of Trading Window from 15tOctober, 2026 till 48 hours after the Financial Results for the quarter and half-year ended 30thSeptember, 2026 is made public. It IS now notified that the Trading Window shall remain closed upto 14thNovember, 2026 in view of the Board Meeting scheduled on Thursday, 12thNovember, 2026 to consider and approve the Unaudited Financial Results for quarter and half-year ended 30thSeptember, 2026. This is for your information & records please. Thanking you, Yours faithfully, For Oil India Limited A.K. Sahoo Company Secretary & Compliance Officer ~~$fel<!1I\J1Ici1 ,.,3R!Ol, /Regd. Office Duliajan, Pin-786602, Dibrugarh, Assam, Tel.:+913742804510, +913742800427 ============= ============= Web: www.oil-india.comICIN -L11101AS1959GOI001148