Intimation regarding issuance, allotment and listing of Commercial Paper amounting to Rs. 400 crore

HQ/CS/CL.24B/18508 September 15, 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 ₹400 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 ₹400 crore, details of which are as below: Description of the security Commercial Paper Size of the issue ₹400 crore Date of Issue September 11, 2026 Date of Redemption October 22, 2026 Face Value per security ₹5,00,000/- Discount Rate 5.99% p.a. ISIN INE151A14354 The said Commercial Paper is listed on National Stock Exchange of India Limited on September 15, 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