We Wish to inform you that Ms. Sangeeta Mukherjee Non-Executive Independent director has tendered her resignation w.e.f 14-08-2026

CRYSTAL BUSINESS SYSTEM LIMITED CIN: L92100DL1994PLC059093 Registered Office: 37, Second Floor, Rani Jhansi Road, Motia Khan, Paharganj, New Delhi- 110055 Email ID: chnl.delhi@gmail.com, Website: www.sadhna.com Phone: 91-11-23552627, Fax No.: 91-11-23524610 Date: 14.08.2026 BSE 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 Sub: Disclosure of Material Events and Information pursuant to Regulation 30 read with the Para- A of Part-A of Schedule IIT of the SEBI (Listing Obligations and Disclosure Requirement) Regulations, 2015. Dear Sir/Madam, Pursuant to Regulation 30 read with Part A of Schedule III of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations”), we wish to inform you that Ms. Sangeeta Mukherjee (DIN: 02836339), Non-Executive Independent Director, has tendered her resignation from the Board of Directors of the Company with effect from 14% August 2026, due to personal and unavoidable circumstances. The Board places on record its appreciation for the valuable contributions and guidance provided by Ms. Sangeeta Mukherjee (DIN: 02836339), Non-Executive Independent Director, during her association with the Company as an Independent Director. The details required in terms of Regulation 30 read with Schedule III - Para A(7B) of Part A of the SEBI Listing Regulations and SEBI Circulars issued in this regard, are given in Annexure - I. A copy of her resignation letter is enclosed herewith as Annexure — II. You are requested to take the same on your records. Thanking You, For Crystal Business System Limited Bal Mukund Tiwari Managing Director DIN: 02566683 Place: Delhi CRYSTAL BUSINESS SYSTEM LIMITED CIN: L92100DL1994PLC059093 Registered Office: 37, Second Floor, Rani Jhansi Road, Motia Khan, Paharganj, New Delhi- 110055 Email ID: chnl.delhi@gmail.com, Website: www.sadhna.com Phone: 91-11-23552627, Fax No.: 91-11-23524610 Annexure I Disclosure of information pursuant to Regulation 30 SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Circular No. SEBI/HO/CFD/PoD2/CIR/P/0155 dated 11th November 2024. Name Ms. Sangeeta Mukherjee Reason for change viz. appeintment, Ms. Sangeeta Mukherjee (DIN: 02836339), Non resignation, remeval;-death-or-etherwise Executive - Independent Director has tendered her resignation due to personal and unavoidable circumstances. Date of appeintinent/re-appointment/ cessation With effect from August 14, 2026 P licable) and-term-of intinent/: tas-app! 24 PP appointment Brief Profile NA Disclosure of relationship between directors NA Letter of Resignation along with detailed Attached herewith reason for resignation Names of listed entities in which the resigning NA director holds directorships, indicating the category of directorship and membership of board committees, if any. The independent director shall, along with the Ms. Sangeeta Mukherjee (DIN: 02836339) Non detailed reasons, also provide a confirmation Executive - Independent Director has confirmed that there are no other material reasons other that there are no material reasons for her than those provided. resignation other than those mentioned in her resignation letter.