Intimation of Trading window closure

Email: secy-legal@tnpetro.com Phone No. 044-69185588 Secy / 189 / 2026-27 25th September 2026 The Manager The Listing Department Listing Department National Stock Exchange of India Ltd BSE Limited Exchange Plaza, 5th Floor Corporate Relations Department Plot No: C/1 ‘C’ Block 1st Floor, New Trading Ring Bandra – Kurla Complex Rotunda Building, PJ Towers Bandra ( E ) Dalal Street, Fort, Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 500777 Scrip ID / Symbol: TNPETRO Dear Sir/ Madam, Sub: Intimation of Trading Window Closure – reg In terms of the Company’s Code of Conduct for Prohibition of Insider Trading read with SEBI (Prohibition of Insider Trading) Regulations, 2015, the Trading Window for trading / dealing in the securities of the Company by the Designated Persons & their immediate relatives will remain closed from October 01, 2026, until 48 hours after the disclosure of the Unaudited Financial Results of the Company (Standalone & Consolidated) for the quarter ending 30th September 2026. The date of Board Meeting would be intimated in due course of time. We request you to take the above on record. Thanking you, Yours Sincerely, For Tamilnadu Petroproducts Limited Company Secretary