Intimation regarding issuance, allotment and listing of Commercial Paper amounting to Rs.250 crore.

HQ/CS/CL.24B/18495 August 19, 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: Intimation regarding issuance, allotment and listing of Commercial Paper amounting to ₹250 crore In terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended, please be informed that Tata Communications Limited has issued and allotted Commercial Paper aggregating to an amount of ₹250 crore, details of which are as below: Description of the security Commercial Paper Size of the issue ₹250 crore Date of Issue August 18, 2026 Date of Redemption November 17, 2026 Face Value per security ₹5,00,000/- Discount Rate 6.51% p.a. ISIN INE151A14339 The said Commercial Paper is listed on National Stock Exchange of India Limited on August 19, 2026. Kindly take the same on your 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