The trading window for dealing in shares of the company will remain closed from 01.10.2026 till 48 hours from declaration of un-audited financial results of the company for the 02nd quarter and half year ending 30.09.2026 for the directors, promoters, designated persons and immediate relatives of designated persons.

Date: 22nd September, 2026. To To The Manager, The Manager Listing Department, Listing Department BSE Limited, National Stock Exchange of India Ltd, P.J. Towers, Dalal Street, Exchange Plaza, Mumbai - 400 001 Bandra Kurla Complex, Bandra (East), Mumbai-400051 Scrip Code: 543547 Symbol: DDEVPLSTIK Sub: Closure of Trading Window Dear Sir, We refer to circular/clarification no. LIST/COMP/01/2019-20 and circular/clarification no. NSE/CML/2019/11 both dated 02nd April, 2019 issued by BSE Limited and National Stock Exchange of India Limited, respectively, regarding "Clarification regarding trading restriction period", and hereby inform you that pursuant to the Company's Code of Conduct to regulate, monitor and report trading by Insiders, adopted by the Board, pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015, the trading window for dealing in the securities of the Company shall remain closed for Promoters, Directors, Designated Persons and immediate relatives of designated persons with effect from 01st October, 2026 till expiry of 48 hours after the declaration of the Unaudited Financial Results of the Company for the 02nd quarter and half year ending on 30th September, 2026. The date of Board Meeting to be held for considering and approving the Unaudited Financial Results of the Company for the quarter ended 30th September, 2026 shall be intimated in due course. Promoters, Directors, Designated Persons and immediate relatives of designated persons are advised not to trade in the securities of the company during the said Trading Window Closure period. Kindly take the aforesaid information on record and oblige. Thanking You. Yours faithfully, For Ddev Plastiks Industries Limited Tanvi Goenka (Membership No. ACS 31176) Company Secretary Ddev Plastiks Industries Limited Regd. Office : 2B, Pretoria Street, Kolkata -700 071 Tel: +91-33-2282 3744/45/3671/99, E-mail:kolkata@ddevgroup.in,www.ddevgroup.in Mumbai Office : 1501, 15th Floor, Lodha Supremus, Senapati Bapat Road, Lower Parel West, Lower Pare!, Mumbai - 400 013, India Tel.: +91-22-67021470/71/72, E-mail: mumbai@ddevgroup.in CIN : L24290WB2020PLC241791