Certificate of compliance in respect of Commercial Papers issued by the Company

HQ/CS/CL.24B/18531 October 14, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, Bandra Kurla Complex, P.J. Towers, Dalal Street, Mumbai – 400 051 Mumbai – 400 001 SYMBOL: TATACOMM Scrip Code: 500483 Dear Sir/ Madam, Sub: Certificate of compliance in respect of Commercial Papers issued by the Company A certificate issued by the Chief Financial Officer pursuant to the requirements of SEBI Master Circular no. SEBI/HO/DDHS/DDHS-PoD/P/CIR/2025/0000000137 dated October 15, 2025, regarding adherence to listing conditions and utilisation of proceeds of Commercial Papers for the quarter ended September 30, 2026 is enclosed herewith for your information and records. Thanking you, Yours faithfully, For Tata Communications Limited Zubin Adil Patel Company Secretary and Compliance Officer Tata Communications Limited Plot No. C21 & C 36 ‘G’ Block Bandra Kurla Complex Bandra (East) Mumbai 400098 India Regd. Office: VSB Mahatma Gandhi Road Fort Mumbai – 400 001 Tel: 91 92289 18171 email: investor.relations@tatacommunications.com CIN: L64200MH1986PLC039266 website: www.tatacommunications.com HQ/CS/CL.24B/18531a October 14, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, Bandra Kurla Complex, P.J. Towers, Dalal Street, Mumbai – 400 051 Mumbai – 400 001 SYMBOL: TATACOMM Scrip Code: 500483 Sub: Certificate pursuant to SEBI Master Circular no. SEBI/HO/DDHS/DDHS- PoD/P/CIR/2025/0000000137 dated October 15, 2025 Pursuant to Chapter XVII of the SEBI/HO/DDHS/DDHS-PoD/P/CIR/2025/0000000137 dated October 15, 2025, this is to inform you that the proceeds of Commercial Papers (CPs) issued by the Company have been utilized as per the purpose disclosed in the disclosure document(s) and other listing conditions under the said chapter have been complied with, for the quarter ended September 30, 2026. The details of outstanding CPs as on September 30, 2026 are as under: ISIN Date of issue Face value Maturity date End use of funds INE151A14321 July 23, 2026 750,00,00,000 January 19, 2027 Working Capital INE151A14339 August 18, 2026 250,00,00,000 November 17, 2026 Purpose / INE151A14347 August 21, 2026 300,00,00,000 February 17, 2027 Repayment of Debt (CPs / CC/WCDL / INE151A14354 September 11, 400,00,00,000 October 22, 2026 Short term loans)/ 2026 General Corporate INE151A14362 September 28, 550,00,00,000 December 18, 2026 Purpose 2026 Thanking you, Yours faithfully, For Tata Communications Limited Siddhartha Mundra Chief Financial Officer Tata Communications Limited Plot No. C21 & C 36 ‘G’ Block Bandra Kurla Complex Bandra (East) Mumbai 400098 India Regd. Office: VSB Mahatma Gandhi Road Fort Mumbai – 400 001 Tel: 91 92289 18171 email: investor.relations@tatacommunications.com CIN: L64200MH1986PLC039266 website: www.tatacommunications.com