Sterlite Technologies Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 23/10/2026 ,inter alia, to consider and approve Unaudited Standalone and Consolidated Financial Results for the Quarter and Half Year ended September 30, 2026.

www.stl.tech October 06, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor, Phiroze Jeejeebhoy Towers, Plot No. C-1, G Block, Dalal Street, Bandra Kurla Complex, Bandra (East) Mumbai - 400 001. Mumbai - 400 051. Scrip ID - STLTECH Scrip Code - 532374 Sub.: Prior Intimation of Board Meeting pursuant to Regulation 29, 33 and other applicable regulations of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended (the “SEBI Listing Regulations”) Dear Sir/Madam, Pursuant to Regulation 29, 33 and other applicable regulations of the SEBI Listing Regulations, notice is hereby given that a meeting of Board of Directors of Sterlite Technologies Limited (the “Company”) will be held on Friday, October 23, 2026, inter alia, to consider Unaudited Financial Results (Standalone and Consolidated) of the Company for the quarter and half year ended ended September 30, 2026. As informed in our intimation dated September 28, 2026 in terms of provisions of SEBI (Prohibition of Insider Trading) Regulations, 2015 and ‘Code of Conduct to regulate, monitor and report trading in the securities of the Company’, the “Trading Window” for trading in the equity shares of the Company has been closed from October 01, 2026 to October 25, 2026 (both days inclusive). Kindly take this on your record. Thanking you. Yours faithfully, For Sterlite Technologies Limited Mrunal Asawadekar Company Secretary & Compliance Officer Membership No.: A 24346 Sterlite Technologies Limited R egistered office: 4th Floor, Godrej Millennium, Koregaon Road 9, STS 12/1, Pune, Maharashtra- 411 001, India. CIN - L31300PN2000PLC202408