The Register of Members and Share Transfer Books of the Company will remain closed from 18th September, 2026 to 24th September, 2026 (both days inclusive) for the purpose of 10th AGM of the Company.

Ref. No. CTL/20/2026-27/BSE Date: 4th September, 2026 The Manager Corporate Services The Listing Department BSE Limited Phiroz Jeejeebhoy Towers, Dalal Street, Mumbai 400 001 Scrip Code: 544546 Dear Sir/Madam, Subject: Intimation Regarding the closure of Register of Members and Share Transfer Books With reference to the captioned subject, this is to inform you that the 10th Annual General Meeting of the company is scheduled to be held on Thursday, 24th September, 2026 at 10:00 A.M. (IST) through Video Conferencing (“VC”)/Other Audio-Visual Means (“OAVM”), in accordance with the applicable provisions of the Companies Act, 2013, rules made thereunder, and the circulars issued by the Ministry of Corporate Affairs(“MCA”) and the Securities and Exchange Board of India (“SEBI”), as applicable. Pursuant to the provision of Section 91 of the Companies Act, 2013 read with the Regulation 42 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, the Register of Members and Share Transfer Books of the Company will remain closed from 18th September, 2026 to 24th September, 2026 (both days inclusive) for the purpose of 10th Annual General Meeting of the Company. Kindly take the intimation on record and acknowledge receipt of the same. Yours faithfully, For CHATTERBOX TECHNOLOGIES LIMITED (FORMERLY KNOWN AS CHATTERBOX TECHNOLOGIES PRIVATE LIMITED) RAJNANDAN MISHRA MANAGING DIRECTOR (DIN: 10815241) Unit No. 1101 & 1102, 11th Floor, Lotus signature, Off Veera Desai Road, Andheri West, Mumbai -400053 | www.chtrbox.com| CIN: L93000MH2016PLC273833 Email ID: info@chtrbox.com Tel: +91 22 4451 4288