Intimation for Closure of Trading Window

POLYMAC THERMOFORMERS LIMITED Registered Office: 29A, Weston Street, 3rd Floor, Room No C-5, Kolkata – 700012, West Bengal E-mail Id: polymacthermo@gmail.com | Contact No.: 033-4604 4648 | CIN: L25201WB1999PLC090774 To, Date: 28/09/2026 Corporate Compliance Department BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai-400 001 Scrip Code: 537573 Sub: Intimation for closure of Trading Window. Dear Sir/ Madam, This is to inform you that in terms of the Company's Code of Conduct to Regulate, Monitor and Report Trading in Company's Securities by “Designated Persons”, read with SEBI (Prohibition of Insider Trading) Regulations, 2015, The Trading Window for dealing in the securities of the Company will remain closed for all Designated Persons and their immediate relatives from 01st October, 2026 till the conclusion of 48 hours after the declaration of Un-audited Financial Results for the half year ended as on 30th September, 2026. The date of Board Meeting for consideration of the Un-audited Financial Results would be intimated in due course. Kindly take the same on your record. Thanking You, Yours faithfully, For POLYMAC THERMOFORMERS LIMITED ANJALI GUPTA (Company Secretary & Compliance Officer) M. No.: 63182