Please find attached details of closure of trading window for specified person for approval of Unaudited Financial Results for QE Sept 30, 2026

September 29, 2026 DM-Corporate Services BSE Limited P. J. Towers, Dalal Street Fort, Mumbai – 400 001 Ref: Scrip Code 535431 Sub: Intimation about closure of Trading Window Respected Sir or Madam, With reference to the above captioned matter and pursuant to SEBI (Insider Trading) (Amendment) Regulations, 2018 and clarification issued by BSE vide Circular No. LIST/COMP/01/2019-20 dated April 02, 2019 and SEBI Circular No. SEBI/HO/ISD/ISD-SEC- 4/P/CIR/2022/107 dated August 5, 2022; the trading window closure period will commence from October 1, 2026 and will end after 48 hours from the date of declaration of Un- Audited Financial Results of the Company for the 2nd Quarter ended on 30th September 2026 for the Financial Year ended on 31st March 2027. Accordingly, all Specified Persons including Employees, Directors, Promoters, Statutory Auditors and all connected persons as specified and covered under the Code of Conduct, have been advised not to deal in the securities of the Company from October 1, 2026 up to the completion of 48 hours after declaration of Results. Thanking You, Yours Faithfully, For GCM SECURITIES LIMITED MANISH BAID DIN: 00239347 MANAGING DIRECTOR CIN of the Company: L67120MH1995PLC071337 Email: gcmsecu.kolkata@gmail.com; URL: www.gcmsecuritiesltd.com