Clarification regarding Stock Exchange intimation filed on August 29, 2026

www.stl.tech August 31, 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 – 400001 Mumbai – 4000517 Scrip ID - STLTECH Scrip Code - 532374 Subject: Clarification regarding Stock Exchange intimation filed on August 29, 2026 under Regulation 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘SEBI Listing Regulations’) Dear Sir/Madam, This is with reference to the Stock Exchange intimation filed on August 29, 2026 regarding signing of a Long Term Supply Agreement with a Leading hyperscaler (‘the Agreement). It was inadvertently mentioned that the Agreement was executed by Sterlite Technologies Limited (‘the Company’) though the same has been executed by a wholly owned subsidiary of the Company. All other details provided in the original intimation remain unchanged. We request you to kindly take this revision on record. Thank you. Yours faithfully, For Sterlite Technologies Limited Mrunal Asawadekar Company Secretary & Compliance Officer Membership No.: ACS 24346 Sterlite Technologies Limited R egistered office: 4th Floor, Godrej Millennium, Koregaon Road 9, STS 12/1, Pune, Maharashtra- 411 001, India. CIN - L31300PN2000PLC202408