Outcome of Meeting held on October 15, 2026

HQ/CS/CL.24B/18526 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: Outcome of Board Meeting held on October 15, 2026. Pursuant to Regulations 30, 33, 51 and 52 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘SEBI Listing Regulations’), please note that the meeting of the Board of Directors of Tata Communications Limited (‘the Company’) commenced today at 10:30 hours IST and concluded at 13:45 hours IST. The major decisions taken at the meeting, amongst other things, are as follows: (i) Unaudited Financial Results: The Unaudited Standalone and Consolidated Financial Results of the Company for the quarter and half-year ended September 30, 2026, approved and taken on record at the meeting of the Board of Directors of the Company held today are enclosed as (Attachment A). We would like to state that M/s. S.R. Batliboi & Associates, LLP, Statutory Auditors of the Company, have issued a Limited Review Report with an unmodified opinion on the above-mentioned financial results (Attachment B). A press release in this regard is also enclosed (Attachment C). (ii) Other Restructuring: The Board of Directors has approved the transfer of the entire shareholding held by the Company in Kaleyra, Inc., to Tata Communications (Netherlands) B.V. (‘TCNL’), a wholly- owned subsidiary of the Company. As consideration for the aforesaid transfer, the Company shall subscribe to and acquire ordinary shares of TCNL at fair market value, as determined pursuant to an independent valuation report. The proposed transaction is intended to simplify the Company’s existing group structure by consolidating ownership of Kaleyra, Inc. under TCNL, without any change in the ultimate ownership and beneficial economic interest of the Company in Kaleyra, Inc. and its subsidiaries. Details as required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular dated January 30, 2026 are enclosed as (Attachment D). 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 (iii) Change in Key Managerial Personnel - Appointment of Company Secretary and Compliance Officer Based on the recommendation of the Nomination and Remuneration Committee, the Board of Directors of the Company at its meeting held today, has appointed Ms. Ridhi Sood (Membership No. A36109) as the Company Secretary (Key Managerial Personnel) and Compliance Officer of the Company with effect from November 1, 2026. Pursuant to Regulation 30(5) of the SEBI Listing Regulations read with the Company’s ‘Policy for Determination of Materiality of Events / Information for Disclosure’, the Company Secretary is authorized to determine materiality of an event or information and for making disclosures to stock exchanges. The contact details of the Company Secretary is available on the website of the Company. Details as required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular dated January 30, 2026 are enclosed as (Attachment E). The aforesaid documents are also placed on the website of the Company at 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 Attachment A TATA COMMUNICATIONS LIMITED REGD. OFFICE: VSB, M.G. ROAD, FORT, MUMBAI-400001. (`in crores) A. STATEMENT OF CONSOLIDATED FINANCIAL RESULTS FOR THE QUARTER AND HALF YEARENDED SEPTEMBER 30, 2026 For the year For the quarter ended For the half yearended ended Particulars September March September June September September 302025 31 2026 302026 302026 302025 302026 (refer note 5) (refer note 5) (Refer notes below) (Unaudited)(Unaudited)(Unaudited) (Unaudited) (Unaudited) (Audited) 1 Income from operations 6,687.89 6,582.82 6,099.75 13,270.71 12,059.60 24,802.72 2 Other income/(loss), net 16.41 12.94 (17.24) 29.35 (0.14) 301.73 3 Total income (1 + 2) 6,704.30 6,595.76 6,082.51 13,300.06 12,059.46 25,104.45 4 Expenses a.Network and transmission expense 3,181.47 3,144.09 2,715.35 6,325.56 5,444.42 11,361.83 b.Employee benefits expense 1,178.75 1,239.73 1,269.57 2,418.48 2,487.34 4,938.93 c.Finance costs 197.91 185.90 201.96 383.81 378.49 761.60 d.Depreciation and amortisation expense 740.94 739.44 678.78 1,480.38 1,344.47 2,826.74 e.Other expenses 905.79 968.86 941.21 1,874.65 1,817.41 3,679.50 Total expenses (4a to 4e) 6,204.86 6,278.02 5,806.87 12,482.88 11,472.13 23,568.60 5 Profit before exceptional items, tax & 499.44 317.74 275.64 817.18 587.33 1,535.85 share in profit of associates (3 -4) 6 Exceptional items (Refer note 2) (36.54) (106.36) (21.00) (142.90) (41.44) (97.96) 7 Profit before tax and share in profit of 462.90 211.38 254.64 674.28 545.89 1,437.89 associates (5 + 6) 8 Tax expense/(benefit): (Refer note 6) a.Current tax 167.31 116.06 123.42 283.37 243.82 612.24 b.Deferred tax (43.27) (30.05) (41.29) (73.32) (96.26) (180.62) 9 Profit before share in profit/(losses)of 338.86 125.37 172.51 464.23 398.33 1,006.27 associates for the period/year (7 -8) 10 Share in profit/(losses) of associates (3.25) 4.35 10.70 1.10 17.21 32.77 11 Profit after tax for the period/ year from 335.61 129.72 183.21 465.33 415.54 1,039.04 continuing operations (9 + 10) 12 Loss on sale of subsidiary (refer note 5) - - - - (42.19) (42.19) 13 Loss after tax from discontinued operations - - - - (42.19) (42.19) 14 Profit for the period/year (11+13) 335.61 129.72 183.21 465.33 373.35 996.85 Attributable to: Equity holders of the parent 341.03 134.23 183.06 475.26 373.04 1,001.57 Non-controlling interest (5.42) (4.51) 0.15 (9.93) 0.31 (4.72) Page 1of 18 (`in crores) A. STATEMENT OF CONSOLIDATED FINANCIAL RESULTS FOR THE QUARTER AND HALF YEAR ENDED SEPTEMBER30, 2026 For the year For the quarter ended For the half yearended ended Particulars September 30 March September June September September 2025 31 2026 30 2026 30 2026 30 2025 30 2026 (refer note 5) (refer note 5) (Refer notes below) (Unaudited) (Unaudited) (Unaudited) (Unaudited) (Unaudited) (Audited) Other Comprehensive Income/(loss) 15 15.94 (36.55) 81.83 (20.61) 142.21 102.24 (net of tax)(refer note 6) Attributable to: Equity holders of the parent 13.49 (37.94) 81.75 (24.45) 142.11 91.79 Non-controlling interest 2.45 1.39 0.08 3.84 0.10 10.45 Total Comprehensive income/(loss) 16 351.55 93.17 265.04 444.72 515.56 1,099.09 for the period/year (14+15) Attributable to: Equity holders of the parent 354.52 96.29 264.81 450.81 515.15 1,093.36 Non-controlling interest (2.97) (3.12) 0.23 (6.09) 0.41 5.73 Paid up equity share capital (Face value of 17 285.09 285.02 285.00 285.09 285.00 285.00 `10 per share) 18Reserves excluding Revaluation reserve Earnings per share (of ` 10/-each) (not annualised) Continuing operations (i) Basic (`) 11.96 4.71 6.42 16.67 14.57 36.62 (ii) Diluted earnings per share (`) 11.94 4.70 6.41 16.64 14.54 36.56 Discontinued operations (i) Basic (`) - - - - (1.48) (1.48) (ii) Diluted earnings per share (`) - - - - (1.48) (1.48) Continuing and Discontinued operations (i) Basic (`) 11.96 4.71 6.42 16.67 13.09 35.14 (ii) Diluted earnings per share (`) 11.94 4.70 6.41 16.64 13.06 35.08 Page 2of 18 B. Consolidated Business Segment Information: i. Consolidated Segment [Showing first 8,000 characters — download PDF for full document]