Tata Communications Limited — Board/Management Information 2021

May 11, 2021

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HQ/CS/CL24.B/17125 11[th] May 2021

BSE Limited National Stock Exchange of India Limited P.J. Towers, Dalal Street, Exchange Plaza, Bandra Kurla Complex, Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 500483 SYMBOL: TATACOMM

Dear Sir/Madam,

Sub.: Disclosure pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 - Resignation of Dr. Rajesh Sharma and Dr. MP Tangirala as Board of Directors of the Company

Pursuant to Regulation 30 of the Securities Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with Para A of Part A of Schedule III to the said Regulations, we wish to inform you that Dr. Rajesh Sharma and Dr. Maruthi Prasad Tangirala, directors, have resigned from their directorships of the Company with effect from 10[th] May, 2021 consequent to Government of India selling-off its entire stake of 26.12% in the Company and withdrawal of their nominations by the Department of Telecommunications vide letter no E-5-1/2019-PSA dated 10[th] May, 2021.

You are requested to kindly take the above on record.

Yours sincerely,

For Tata Communications Limited

Zubin Adil Patel Zubin Patel

Digitally signed by Zubin Adil Patel Date: 2021.05.11 12:55:42 +05'30'

Company Secretary and Compliance Officer

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Tata Communications Limited

Regd. Office: VSB Mahatma Gandhi Road Fort Mumbai – 400 001 Tel: 91 22 6659 1968 email: zubin.patel@tatacommunications.com CIN: L64200MH1986PLC039266 website: www.tatacommunications.com