Closure of Trading Window

Date: 24.09.2026 The Manager, Listing Department, BSE LIMITED Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai- 400001 Scrip Code - 530259 Dear Sir/Ma’am, Sub: Intimation of Closure of Trading Window Re: Disclosure under Regulation 9 of the SEBI (Prohibition of Insider Trading) Regulations, 2015 Pursuant to the Circular issued by BSE in its letter vide Ref No. LIST/COMP/01/2019-20 dated 02nd April, 2019 w.r.t. clarification regarding trading restriction period, SEBI (Prohibition of Insider Trading) Regulations, 2015 as amended from time to time, and the Company’s Insider Trading Code of Conduct, the “Trading Window” for dealing in securities of the Company shall stand closed from Thursday, 01st October, 2026 for all the Designated Persons and their immediate relatives of the Company till the expiry of 48 hours after the declaration of the Unaudited Financial Results of the Company for the quarter and half-year ended 30th September, 2026. The date of the Board Meeting for approval of the Unaudited Financial Results of the Company for the quarter and half-year ended 30th September, 2026 would be intimated in due course. Thanking You, Yours Faithfully, For Inter State Oil Carrier Limited (Rashmi Sharma) Company Secretary and Compliance Officer Membership No. A34765