Intimation of Trading Window Closure for the quarter and half-year ended 30th September, 2026.

TAiNWALA Date: 23rd September, 2026 To, To, The Corporate Relations Department Listing Department BSE Limited, National Stock Exchange of India Limited 1st Floor, New Trading Wing, Exchange Plaza, Plot No. C/1, G Block P. J. Tower, Dalal Street, Fort, Bandra Kurla Complex, Bandra (East), Mumbai – 400 001 Mumbai- 400 051 BSE Scrip Code: 507785 NSE SYMBOL: TAINWALCHM Sub.: Intimation of Trading Window Closure Dear Sir/ Madam, Pursuant to the Company’s “Code of Conduct to Regulate, Monitor and Report Trading in Securities by Insiders of the Company”, provisions of SEBI (Prohibition of Insider Trading) Regulations, 2015 and further to the NSE letter bearing reference no. NSE/CML/2019/11 dated April 2, 2019 and BSE Circular No. LIST/COMP/01/2019-20 dated April 2, 2019, the Trading Window for dealing in the securities of the Company for all the Insiders, Designated Persons (including their immediate relatives) will remain closed from Thursday, 1st October, 2026 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 consideration and approval of the Unaudited Financial Results for the quarter and half year ended 30th September, 2026 shall be intimated separately in due course. Thanking you. Yours faithfully, For Tainwala Chemicals and Plastics (India) Limited Divya Saboo Company Secretary & Compliance Officer Membership No. A72994 TAINWALA CHEMICALS AND PLASTICS (INDIA) LIMITED Registered Office: Tainwala House, Road No. 18, Opp. Plot No. 118, M.I.D.C., Marol, Andheri (East), Mumbai MH -400 093 Works: Plot No.87, Govt. Indl. Estate, Khadoli Village, Silvassa - 396230. E-Mail: cs@tainwala.in; Website: www.tainwala.in; Tel: 7710013780 CIN: L24100MH1985PLC037387