Trading window will remain closed till 48 hours from declaration of Unaudited Financial results for the second quarter and half year ended 30.09.2026

NATIONAL Since 1952 NATIONAL PLASTIC INDUSTRIES LIMITED Regd. Office: Vilco Centre, 114 E, 4th Floor, Subhash Road, Opp. Garware, Vile Parle East, Mumbai- 400057. Tel. : 91-22-67669999 | Fax: 022-67669998 | E-Mail: info@nationalplastic.com | Website : www.nationalplastic.com CIN: L25200MH1987PLC044707 26 Sep, 2026 Corporate Relationship Department Bombay Stock Exchange Ltd., 25% Floor, P.J. Towers, Dalal Street, Mumbai — 400 001. Dear Sir / Madam, Sub.: Intimation of Closure of Trading. Scrip Code: 526616 Scrip ID: NATPLAS Pursuant to the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015, read with Schedule B thereof, and Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with BSE Circular No. LIST/COMP/01/2019-20, we hereby inform that the Trading Window of the Company shall remain closed for all Designated Persons and their immediate relatives with effect from 1st October, 2026. The trading window shall re-open after 48 hours from the declaration of the audited financial results of the Company for the second quarter and half year ended 30 September, 2026, as approved by the Board of Directors and disclosed to the Stock Exchange. Kindly take the above information on your record. Yours Faithfully For NATIONAL PLASTIC INDUSTRIES LIMITED PARESH V. PAREKH MANAGING DIRECTOR DIN: 00432673