Intimation of Closure of Trading Window for the quarter and half year ending on September 30, 2026.

SUPREME PETROCHEM LTD Regd. Office : Solitaire Corporate Park, Building No. 11,5th Floor, 167, Guru Hargovindji Marg' Andheri-Ghatkopar Link Road, Chakala, Andheri (East), Mumbai-400 093. INDIA @:91-22-6709 1900 Fax -022-4005 5681 r CIN: L23200MH1989P1C054633 Website : www.supremepetrochem.com r Email : corporate@spl.co.in Ref: CFA/CS/ 1 8/AGM -37 12026-2027 Date: September 23, 2026 BSE Limited National Stock Exchange of India Ltd Phiroze Jeejeebhoy Towers, Exchange Plaza, Bandra Kurla Complex lst Floor, Dalal Street, Bandra East, Mumbai - 400 001 Mumbai - 400 051 Scrip Code- 500405 Symbol: SPLPETRO Subiect: Intimation of Closure of Tradine Window of the Companv Dear Sir / Madam, In terms of Company's Code of Intemal Procedure and Conduct for Regulating, Monitoring and Reporting by the Insiders and Clause 4 of Schedule B of SEBI (Prohibition of Insider Trading) Regulationr, ZOt5, as amended from time to time, the trading window for dealing in the securities of the Company by Designated Persons and their immediate relatives shall remain closed from Octob er 1,2026 till 48 hours after the declaration of unaudited financial results by the Company for the quarter and half year ending on September 30, 2026. The date of the Board Meeting of the Company for consideration and declaration of unaudited financial results for the quarter and half year ending on September 30, 2026, will be intimated in due course. Kindly take above information on your record Thanking you Yours faithfully, For Supreme td. Y' D. N. 9A.V.P (Legal) & Company Secretary v AE0 ISO 9001:2015 ISO 14001:2015 l5O 45001:2018 BUREAU VERITAS Certilication Certifimte No. lNAAAcS7249C3F258