Investor Presentation

HQ/CS/CL.24B/18532 October 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: Presentation for Earnings Call for the quarterly results pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements), Regulations 2015, and with reference to our letter no. HQ/CS/CL.24B/18530 dated October 14, 2026, the presentation to be made at the Earnings Call scheduled today at 4:00 pm IST, is enclosed as Attachment A. The aforesaid presentation is also available on the website of the Company at https://www.tatacommunications.com/investors. This is for your information and records. Thanking you, Yours faithfully, For Tata Communications Limited Zubin Adil Patel Company Secretary and Compliance Officer Encl: As Above 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 Q2FY27 SAFE HARBOUR Certain words and statements in this presentations concerning Tata Communications and its prospects, and other statements, including those relating to Tata Communications expected financial position, business strategy, the future development of Tata Communications’ operations, are forward-looking statements. Such statements involve known and unknown risks, uncertainties and other factors, including financial, regulatory and environmental, as well as those relating to industry growth and trend projections. These risks may cause actual results and performance of Tata Communications, or industry results, to differ materially from those expressed or implied by the forward-looking statements These risk factors are disclosed in detail in the Annual reports available on Tata Communications Limited official website www.tatacommunications.com Tata Communications is under no obligation to update or alter its forward-looking statements. THE TEAM IS IN PLACE 70% of India's live Financial 300 of Fortune 500 Customers 380 of ET 500 Customers Services data traffic Customer Success Group Sumeet Walia Sales Marketing CSM Network Tower Infra Tower Interaction Tower Services Tower Rupesh Chokshi Vivek Srivastava Vivek Manglik Agnel Navin Transformation Human Resources Finance Legal Strategy Group Aman Gupta Siddhartha Mundra Troy Reynolds Tri Pham Narottam Sharma MD AND CEO Ganesh Lakshminarayanan PLAN ON PAGE Driving absolute EBITDA growth, NPS and ESAT Absolute Big Why NPS ESAT EBITDA Growth Drive Accelerated Profitability- Increase Mix Sales Agility in Network Digital - Platforms Contribution Operations Growth Portfolio WHAT? DIGITAL PORFOLIO ON THE PATH TO BREAKEVEN -3.6% -INR 107 Cr -6.9% Digital Margins Q2FY27 -9.7% Digital Margins INR 886Cr Q1FY27 Digital Margin in FY25 THE UNIFIED AI STACK Hardware Data & Intelligence Code & Action Sovereign by Design The Enterprise Brain Intelligence into Outcomes AI requires a strong foundation. The real advantage comes from Intelligence creates value only We've invested in GPU enterprise intelligence. when it drives action. infrastructure in India, so Through Commotion, we build an With Commotion, we rapidly build enterprises get secure, sovereign enterprise-wide context graph applications for omni-channel that connects data, workflows and engagement. business knowledge, so AI agents Enterprise data resides inside the deliver real business outcomes Our strength in communications rather than generic answers. and interaction gives us a clear organization: protected, auditable edge in turning intelligence into and compliant with local data real-world outcomes. residency rules. CUSTOMER OUTCOMES DELIVERED AI Workforce CX Transformation A large FMCG‘s field force covering 4M+ A leading insurer serving 37 million outlets, start each day with a customers runs its contact centre on AI personalized, AI-generated brief — workers across sales, claims, and service— delivered as a voice call in local with a single contract and a unified SLA. language. 700+ 600K+ agents live voice AI mins / month Thank you #togetherlimitless