Trading Window

SIMPLEX IN FRASTRUCTU RES LIMITED REGO. OFFICE : AN ISO 9001 : 2015 'StMPLEX HOUSE',27, SHAKESPEARE SARANT, KOLKATA-7oo 017 (tN0lA) certified company PHONES : +91 33 2301-1600. FAX : +91 33 2289-1468 E-mail : simplexkolkala@simplexinfra.com, Website : www.simplexinfra.com CIN No. 145209 WB 1924 PLC 004969 Ref No. 01/CS/SEI00l /95622 Date:26fi Jwrc,2026 The Secretary The Secretary National Stock Exchange of India Limited The Calcutta Stock Exchange Ltd 5ft Floor, Exchange Plaza 7, Lyons Range Bandra Kurla Complex Kolkata - 700 001 Bandra East, Mumbai - 400 051 The Secretary BSE Limited 1't Floor, New Trade Ring Rotunda Building Phiroze JeeJeebhoy Towers Dalal Street, Mumbai - 400 001 Dear Sit Sub: Closure of Tradins Window This is to inform you that pusuant to SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended, read with Company's Code of Conduct for Trading by Insiders in Securities of the Company, the trading window for dealing in the securities ofthe Company shall remain closed for the Designated Persons (and. their immediate relatives) with effect from 01't Jttly, 2026 till 48 hours after the declaration of Financial Results of the Company for the I 't quarter ended 3 Oth J:c;rre, 2026 You are requested to disseminate the above information on your respective websites. Thanking You, Yours faithfully, For I Simplex Infrastructures Limited fuzr,x1h- B.f:LBajoria ' SR.Vice President & Company Secretary BRANCHES : 'HEMKUNTH' 4TH FLOOR, 8S, NEHRU PLACE, NEW DELHI-110 019 E : (011) 4944'4200, FIv\ : (011) 2646-5869 . HEAVITREE COIIIPLEX, 1ST FLOOR, UNIT-C, NEW DOOR NO, 47, SPI]RTANK ROAD, CHETPET, CHENNAI.oOO 031 T : (044) 42874129