40th Annual general Meeting to be held on September 16, 2026

Telephone: +91 22 6661 7272 | Email: info.india@blackbox.com BBOX/SD/SE/2026/70 August 12, 2026 Corporate Relationship Department Corporate Relationship Department Bombay Stock Exchange Limited National Stock Exchange Limited P.J. Towers, Dalal Street, Exchange Plaza, Bandra Kurla Complex, Fort, Mumbai 400001 Bandra East, Mumbai 400051 Sub: Intimation of the 40th Annual General Meeting of Black Box Limited Ref.: Scrip code: BSE: 500463/NSE: BBOX Dear Sir/Madam, This is to inform that the Board of Directors of Black Box Limited (“the Company”), at their meeting held on August 12, 2026, has approved to convene and hold the 40th Annual General Meeting (“AGM”) of the Company on Wednesday, September 16, 2026 at 11:00 A.M. Indian Standard Time (IST) through Video Conferencing (“VC”) facility provided by National Securities Depository Limited (“NSDL”). The cut-off date for determining the eligible shareholders for e-voting on the proposed resolutions of the said AGM is Wednesday, September 9, 2026. This is for your information, record and necessary dissemination to all the stakeholders. For Black Box Limited Aditya Goswami Company Secretary & Compliance Officer 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