Crystal Business System Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 06/11/2026 ,inter alia, to consider and approve Respected Sir/Madam, With reference to Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you that, a meeting of Board of Directors of Crystal Business System Limited will be held on Friday, 06th November, 2026 at 02:00 P.M., ....

CRYSTAL BUSINESS SYSTEM LIMITED CIN: L92100DL1994PLC059093 Registered Office: 37, Second Floor, Rani Jhansi Road, Motia Khan, Paharganj, New Delhi- 110055 Email ID: cbnl.delhi@gmail.com, Website: www.sadhna.com Phone: 91-11-23552627, Fax No.: 91-11-23524610 Date: 03rd November, 2026 Bombay Stock Exchange Limited Metropolitan Stock Exchange Limited Phiroze Jeejeebhoy Towers, 205(A), 2nd Floor, Piramal Agastya Corporate Park, Dalal Street, Kamani Junction, LBS Road, Kurla (West), Mumbai-400001 Mumbai-400070 Scrip Code: 540821 Scrip Symbol: CRYSTAL Subject: Prior Intimation of Board Meeting under Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and information regarding reopening of Trading Window of Equity Shares of the Company. Respected Sir/Madam, With reference to Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you that, a meeting of Board of Directors of Crystal Business System Limited will be held on Friday, 06th November, 2026 at 02:00 P.M., at the registered office of the company, inter alia to transact the following matters: 1. To consider and take on record the Un-Audited Financial Results for Quarter & Half Year ended 30th September, 2026. 2. Any other business as may be considered necessary. We further wish to inform you that as per requirement, the Trading Window of Equity Shares of the Company shall reopen on 09th November, 2026 for all designated persons and their immediate relative of the Company. This is for your information and records. Thanking You Yours faithfully, For Crystal Business System Limited Bal Mukund Tiwari Managing Director DIN: 02566683 Place: Delhi