Dear Sir/Madam We wish to submit herewith the certificate issued by M/s. Datamatics Business Solution Limited Registrar & Share Transfer Agent (RTA) of Black Box Limited (Formerly known as AGC Networks Limited) (the Company) pursuant to Regulation 74(5) of the SEBI (Depositories and Participants) Regulation 2018 for the quarter ended 31.03.2022.The said certificate issued by the RTA has been enclosed for your perusal and record.This is for your information record and dissemination to all the stakeholders.