Intimation of Trading Window Closure for the quarter and half year ending 30.09.2026.

25th September 2026 Listing Compliances BSE Limited P.J. Towers, Dalal Street, Fort, Mumbai – 400 001. Script Code : 542866 Script Id : COLAB Dear Sir/Madam, Ref: Regulation 9 and schedule B of the SEBI (Prohibition of Insider Trading) Regulations, 2015 read with SEBI circular no. SEBI/HO/ISD/ISD-PoD- 2/P/CIR/2025/55 dated 21st April 2025. Sub: Intimation of Trading Window Closure for the quarter and half year ending on 30th September 2026. With reference to the above cited Regulation(s) read with company’s code of Conduct to Regulate, Monitor and Report Trading by Insiders (“the Code”), the Trading Window for dealing/trading in the securities of the Company shall be closed for all the Promoters, Key Managerial Personnels, Directors, Authorised/Designated Persons and their immediate relatives w.e.f. Thursday, 01st October 2026. The Trading window will re-open 48 hours (Forty-Eight) after declaration of Unaudited Financial Results for the quarter and half year ending 30th September 2026. Separate intimation of Board Meeting for aforesaid business agenda will be uploaded on stock exchange portal in due course. You are requested to take the above information on your records. Thanking You, For Colab Platforms Limited Puneet Singh Chandhok Managing Director DIN: 01546843 Colab Platforms Limited CIN: L65993DL1989PLC038194 Reg. Office Address: 203, Freehold Property, Ohkla Industrial Estate, Phase-III, New Delhi, 110020. Tel: 8828865429 E-mail: cs@colabplatforms.com Website: www.colabplatforms.com