Intimation of Closure of Trading Window

POWER “Striving to Enrich Power” September 26, 2026 The Listing Compliance BSE Ltd. Phiroze Jeejeebhoy Towers Dalal Street Mumbai- 400001 BSE Scrip Code: 543172 Sub: Intimation of Closure of Trading Window. Dear Sir/Madam, As per the SEBI (Prohibition of Insider Trading) Regulations 2015 and the Company's Internal Code for Prevention of Insider Trading, the Trading Window for dealing in securities of the Company by its Promoters, Directors, Key Managerial Persons and Designated Persons & their immediate relatives shall closed from Thursday, October 1, 2026 and will be opened 48 hours after declaration of financial results for the half year ended September 30, 2026 and generally made available to the public. The date of Board Meeting of the company for consideration and declaration of the Financial Results for the half year ended September 30, 2026 will be intimated in due course. Pursuant to the Company’s Code of conduct, designated persons and their immediate relatives are hereby advised not to trade (buy/sell/pledge) in the Company's Securities during the above-mentioned Trading Window Closure period. This is for your information and records. Thanking you. Yours faithfully E==y OSWALD ROSARIO DSOUZA WHOLE TIME DIRECTOR DIN: 02711251 CosPower Engineering Limited Registered Office & Works Sales Office : Tel. :+918007036857 ElganE No. 940, St. No.134/17A,Pazar Talav Road, Delhi, Mumbal, Kolkata E-mail contact @cel.netin V Ma ak hi a rP aa sd ha t, r T aa l 4. 0V 1a 2sa 0i 8, IN na dii ag .a on East, C Jah le nn an ,a i D, h aH ky ad erabad, W Ce Ib Ns i Not .e : : w Lw 3w 1. 9ce 0l 8. Mne Ht 2. 0i 1n 0PLC208016 1 =