Closure of Trading Window

September 27, 2026 To To The General Manager The Vice President, Department of Corporate Relations Listing Department BSE Limited The National Stock Exchange of India Sir Phiroze Jeejeebhoy Towers, Limited Dalal Street, Fort, Exchange Plaza, Bandra Kurla Complex, Mumbai -400 001 Bandra (East), Mumbai 400 051 Scrip code: 526247 Scrip code: PREMEXPLN Dear Sir, Sub: Closure of Trading Window – Reg. This is to inform that, in terms of the Company’s “Code of Conduct for Prohibition of Insider Trading” read with SEBI (Prohibition of Insider Trading) Regulations, 2015, the trading window for dealing in the Company’s equity shares by the Promoters / Directors / Designated persons and their immediate relatives will remain closed from October 01, 2026 until 48 hours from the date of declaration of Un-Audited Financial Results of the Company for the second quarter and half year ending September 30, 2026. The date of the meeting of the Board of Directors of the Company for consideration and approval of Un-Audited Financial Results of the Company for the second quarter and half year ending September 30, 2026 shall be intimated in due course. This is for your kind information and record. Thanking you, Yours faithfully, For Premier Explosives Limited K. Jhansi Laxmi Company Secretary