Background and Context

This filing serves as an update to previous communications dated August 14, 2023, subsequent quarterly integrated filings, and the June 28, 2025 letter regarding ongoing material litigation involving Tata Communications (Canada) Ltd. ('TC Canada') in relation to tax claims raised by the Canada Revenue Agency ('CRA').

Key Development

TC Canada and the CRA have reached an agreement in principle to settle the issue pertaining to claims for taxes on income on account of the International Telecommunications Services business of TC Canada. This follows the previous in-principle agreement for settling claims pertaining to the Signaling business of TC Canada that was intimated on June 28, 2025.

Specific Details of the Settlement

The agreement in principle was reached on September 14, 2026 to settle the issue pertaining to international telecommunications services rendered by TC Canada. The terms of settlement are currently under finalization, and the company will make necessary disclosures upon execution of the settlement documents between the parties. Currently, there is no definitive timeline for completion of the aforementioned document.

Financial Impact Assessment

The company explicitly states: "There is no material impact currently expected on the financials of the Company pursuant to this in principle agreement for settlement."

Additional Information

The documents have been placed on the company's website at www.tatacommunications.com/investors. The filing was signed by Zubin Adil Patel, Company Secretary and Compliance Officer, on September 15, 2026 at 18:24:46 +05'30'.