Announcements

Intimation of ESG rating by Crisilq ESG Ratings & Analytics Limited

Intimation of ESG rating by Niche Ninety Nine Capability and Certifications (OPC) Private Limited

Intimation to Shareholders holding Shares in Physical Mode for furnishing PAN and KYC Details

Outcome of the Meeting of the Board of Directors held on September 14, 2026: Approval of Additional Investment of Approximately ₹820 crore for expansion of Optical Fiber, Optical Fiber Cable and Preform manufacturing capacities

Press Release on approval of Additional Investment of Approximately ₹820 crore for expansion of Optical Fiber, Optical Fiber Cable and Preform manufacturing capacities

Schedule of Investors’ / Analysts Conference Call : 18th, 23rd and 29th September, 2026

Publication of Newspaper Advertisement specifying, inter-alia, Notice of the 39th Annual General Meeting, Voting through Electronic Mode, Record Date and Cut-off Date etc.

Dispatch of Letter to Shareholders providing Web-Link to Annual Report

Submission of Annual Report for the financial year 2025-26, including Notice of the 39th Annual General Meeting

Submission of Business Responsibility and Sustainability Report (BRSR) for the financial year 2025-26

Public Notice by way of Advertisement in Newspapers

Intimation for entering into a long term supply agreement with a customer for supply of Optical Fiber Cables (OFC), worth ~USD 244 million equivalent to ~₹2329 Crore (approximately INR Two Thousand Three Hundred Twenty Nine Crore