Trading window closure : October 1, 2026 - November 14, 2026.

ADC/2026-27/Misc. September 25, 2026 Department of Corporate Services BSE Limited Phiroze Jeejeebhoy Towers Dalal Street, Fort Mumbai 400 001 Dear Sir/Madam, Sub: Board Meeting to consider and approve Unaudited Financial Results for the quarter and half year ending September 30, 2026 Ref: Scrip Code: 523411 Pursuant to Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform that a meeting of the Board of Directors of the Company will be held on Thursday, November 12, 2026, to consider and approve, inter alia, the Unaudited Financial Results of the Company for the quarter and half year ending September 30, 2026. Further, pursuant to the SEBI (Prohibition of Insider Trading) Regulations 2015 and the Company’s Code of Conduct to Regulate, Monitor and Report Trading by Designated Persons, the Trading Window for dealing in the securities of the Company by Designated Persons and their immediate relatives will remain closed from Thursday, October 1, 2026 till Saturday, November 14, 2026. The above is for your information and records. Thanking you, Yours faithfully, For ADC India Communications Limited Geetha Desikachari Company Secretary Membership No.: F12998 ADC India Communications Limited CIN: L32209KA1988PLC009313 Regd. Office & Factory: No.10C, 2nd Phase, 1st Main, P.B.No. 5812, Peenya Industrial Area Bangalore – 560 058. Tel +91 80 2839 6102 / 2839 6291 Email: support@adckcl.com Website: www.adckcl.com