Intimation regarding the Closure of Trading Window in terms of SEBI (Prohibition of Insider Trading) Regulations, 2015 for the Quarter ending 30th September, 2026.

PRIMA INDUSTRIES LTD. CORPORATE & REGD. OFFICE Industrial Development Area Muppathadam P. O., Edayar, Cochin - 683 110 Kerala State, India Tel: 91-484-2551533 (4 Lines) CIN: L15142KL 1994PLC008368 E-mail: primagroupcompanies@gmail.com www.primaindustries.in Ref: PIL/SEC/2026-27/37 26th September, 2026 Stock Code: BSE: 531246 Listed Equity Shares ISIN: INE723N01012 Unlisted Preference Shares(S-II) ISIN: INE723N04016 Unlisted Preference Shares(S-III) ISIN: INE723N04024 The Manager, Listing Department, BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai-400023 Dear Sir/Madam, Sub: Intimation of Closure of Trading Window Pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Company's Code of Conduct for Regulating, Monitoring and Reporting of Trading by Insiders, the trading window for dealing in the Securities of the Company by its Designated Persons and their immediate relatives shall remain closed with effect from Thursday, 01st October, 2026 till 48 hours after the declaration of Financial Results for the Second Quarter ending 30th September, 2026 (both days inclusive). Accordingly, the Designated Persons and their immediate relatives have been notified not to trade in the Securities of the Company during this period of closure of trading window. Further, the date of the Board Meeting in which the Un-audited Financial Results of the Company for the Quarter ending 30th September, 2026 are to be approved will be informed in due course. Kindly take the above on record. This information is also being made available on the website of the Company at www.primaindustries.in Thanking you Yours faithfully, For Prima Industries Limited Nayana V B Company Secretary & Compliance officer Membership No. A76822 FACTORY: New Industrial Development Area, Kanjikode, Palakkad - 678 621 Tel: 0491-2566822, Fax: 91-491-2566922