Intimation under Regulation 30 of SEBI Listing Regulations - Change in Senior Management Personnel.

HQ/CS/CL.24B/18480 July 23, 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 under Regulation 30 of SEBI Listing Regulations – Change in Senior Management Personnel Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘SEBI Listing Regulations’), please take note of the appointment of Mr. Narottam Sharma as the Executive Vice President & Chief Transformation Officer, effective September 21, 2026. The aforesaid appointment has been approved by the Board of Directors of the Company today, based on the recommendation of the Nomination and Remuneration Committee. Further details as prescribed under the SEBI Listing Regulations read along with the SEBI Master Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, as amended, are enclosed as Attachment A. A press release being issued by the Company on the aforesaid appointment is also enclosed herewith. Kindly take the same on your 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 Attachment A Details required under Regulation 30 of SEBI Listing Regulations read with SEBI Master Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 Particulars Mr. Narottam Sharma Reasons for Change Appointment as Executive Vice President & Chief Transformation Officer Date of Appointment September 21, 2026 Brief Profile Narottam Sharma is a technology professional with over two decades of (in case of experience in business and digital transformation. He brings deep expertise in appointment) enterprise-wide digital transformation, AI-led operating model redesign, and large- scale process reengineering. He has led large-scale, cross-functional transformations spanning core business operations, supply chain, and corporate functions. He is currently at Jubilant FoodWorks, as Chief Information Officer (CIO) and has bridged the gap between high-level strategy and business execution. He simplified processes, optimized capital and operational expenditure, delivering significant, recurring bottom-line savings and margin expansion without compromising on innovation. Prior to joining Jubilant, Narottam held a senior transformation leadership role at Mastek, where he drove a multi-track enterprise transformation agenda to support business growth. He led initiatives across organizational intelligence, COE setup, process transformation, people supply chain, and order-to-cash redesign. He implemented ServiceNow to enable customer service management and internal workflows. Prior to this, Narottam served as Chief Transformation Officer and Chief Information Officer at Sterlite. He led enterprise-wide technology and business transformation for a 27-year legacy organization, with a mandate to enable 10x growth. He holds an MBA degree from MDI, Gurgaon and a Bachelors, Information System from Birla Institute of Technology & Science, Pilani. 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 Tata Communications Appoints Narottam Sharma as Chief Transformation Officer Mumbai, INDIA Tata Communications, a leading communications technology player, today announced the appointment of Narottam Sharma as Chief Transformation Officer. He will take charge of the new role from September 2026 and will be a part of the Global Management Committee at the company. A seasoned technology leader with more than two decades of experience, Narottam brings great expertise in enterprise-wide digital transformation, AI-led operating model redesign, large-scale process reengineering, and technology-driven business transformation. Throughout his career, he has successfully led complex, cross-functional transformation programs spanning core business operations, supply chain, customer experience, and corporate functions, delivering significant business impact through technology and innovation. Commenting on the appointment, Ganesh Lakshminarayanan, MD & CEO, Tata Communications, said, “We are pleased to have Narottam join our leadership team. His experience in leading large-scale transformation and building future-ready organisations speaks for itself. We are confident that his ability to connect technology with business outcomes will help accelerate innovation and support our next phase of growth.” He will be joining Tata Communications from Jubilant FoodWorks, where he works as the Chief Information Officer. Before Jubilant FoodWorks, Narottam held a senior transformation leadership role at Mastek, where he drove a multi-track enterprise transformation agenda to support business growth and scale. Earlier in his career, Narottam served as Head Technology Transformation at Sterlite, where he led enterprise-wide business and technology transformation initiatives for the organisation’s 27-year legacy operations. Speaking on his appointment, Narottam Sharma said, “I am excited to join Tata Communications that has a strong legacy of innovation and a unique position in enabling digital transformation for organisations globally. I look forward to working closely with the teams to advance our technology vision, strengthen our engineering capabilities, accelerate innovation, and create meaningful value for our customers and stakeholders.” Media Contact Mansi Tiwari Somvanshi mansi.tiwari@tatacommunications.com About Tata Communications A part of the Tata Group, Tata Communications (NSE: TATACOMM; BSE: 500483) is a global digital ecosystem enabler powering today’s fast-growing digital economy in more than 190 countries and territories. Leading with trust, it enables digital transformation of enterprises globally with collaboration and connected solutions, core and next gen connectivity, cloud hosting and security solutions and media services. 300 of the Fortune 500 companies are its customers and the company connects businesses to 80% of the world’s cloud giants. For more information, please visit www.tatacommunications.com AD ewschriitpet ixo inn aau ctiorcmleatically generated AD egsrceryip ctiiorcnle a wutiothm balaticcka ltlye xgtenerated AD eloscgroip otifo an caaumtoemraatically generated Forward-looking and cautionary statements Certain words and statements in this release 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, and the general economy in India, 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, which may cause actual results, performance or achievements of Tata Communications, or industry results, to differ materially from those expressed or implied by such forward-looking statements. The important factors that could cause actual results, performance or achievements to differ materially from such forward-looking statements include, among others, failure to increase the volume of traffic on Tata Communications’ network; failure to develop new products and services that meet custo [Showing first 8,000 characters — download PDF for full document]