Please find enclosed herewith intimation of Earnings call for Financial Results of Q1 FY27

Telephone: +91 22 6661 7272 | Email: info.india@blackbox.com BBOX/SD/SE/2026/68 August 6, 2026 Corporate Relationship Department Corporate Relationship Department Bombay Stock Exchange Limited The National Stock Exchange of India Limited P.J. Tower, Dalal Street, Exchange Plaza, Bandra Kurla Complex, Fort, Mumbai 400001 Bandra East, Mumbai 400051 Subject: Intimation of Earnings call for Financial Results of Q1 FY27 Ref.: Scrip code: BSE: 500463 / NSE: BBOX Dear Sir/Madam, Pursuant to Regulation 30 of SEBI (LODR) Regulations, 2015, we would like to inform you that the officials of the Company will be conducting post earnings call on August 13, 2026 as per the details below: Sr. No. Event Date & Time 1. Earnings call for Q1 FY27 Thursday, August 13, 2026 at 9:30 A.M. IST Please find enclosed herewith invitation containing dial-in and participant details. This is for your information, record and necessary dissemination to all the stakeholders. Yours Faithfully, For Black Box Limited Aditya Goswami Company Secretary & Compliance Officer Encl: A/a BLACK BOX LIMITED Registered Office: 501, 5th Floor, Building No. 9, Airoli Knowledge Park, MIDC Industrial Area, Airoli, Navi Mumbai 400 708, India BLACKBOX.COM | CIN: L32200MH1986PLC040652 | Tel: +91 22 6661 7272 CIN: L32200MH1986PLC040652 Black Box Limited cordially invites you to its Earnings Call To discuss the Q1 FY27 Results on Thursday, 13th August 2026 at 9:30 AM IST Participants: Mr. Sanjeev Verma – Whole Time Director & CEO Mr. Deepak Bansal – Executive Director & Global CFO Mr. Purvesh Parekh – Head of Investor Relations Request you to please pre-register for the call on the below link: Black Box Ltd. Q1 FY27 Earnings Call Local Access Numbers Primary Number: International Toll-Free Numbers: Hong Kong: 800 964 448 +91 22 6280 1309 Singapore: 800 101 2045 UK: 0 808 101 1573 +91 22 7115 8210 USA: 1 866 746 2133 We look forward to your participation RSVP Mr. Rahul Agarwal, Strategic Growth Advisors Pvt. Ltd. Email: rahul.agarwal@sgapl.net ; Contact: +91 982143 8864 Mr. Karan Thakker, Strategic Growth Advisors Pvt. Ltd. Email: karan.thakker@sgapl.net ; Contact: +91 81699 62562