Credit Rating

www.stl.tech July 7, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor, Phirozee 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: Intimation for upgrade in Credit Rating Dear Sir/ Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that ICRA has upgraded our rating from AA- to AA for Long term instruments and reaffirmed the ratings for Short-term instruments for the Company: Instrument Amount (Rs. crore) Rating action Short-term – Commercial [ICRA]A1+; reaffirmed 500.00 paper Long-term – Fund based – [ICRA]AA (Stable); upgraded from 931.00 Working capital [ICRA]AA- (Stable) Long-term – Fund based – [ICRA]AA (Stable); upgraded from 95.00 Term Loan [ICRA]AA- (Stable) Long-term – Fund based – [ICRA]AA (Stable); upgraded from 25.15 (million Euros) Term loan [ICRA]AA- (Stable) Short-term – Non-fund [ICRA]A1+; reaffirmed 3433.00 based [ICRA]AA (Stable)/ [ICRA]A1+; long-term Long-term/short-term – 16.00 rating upgraded from [ICRA]AA- (Stable); Unallocated short-Term rating reaffirmed 4975.00 + 25.15 million Total euros The ratings rationale can be accessed at below link: https://www.icra.in/Rationale/ShowRationaleReport?Id=144100 Kindly take the above on record. Thanking you. Yours faithfully, For Sterlite Technologies Limited Mrunal Asawadekar Company Secretary & Compliance Officer Membership No.: A 24346 Sterlite Technologies Limited Regist ered office: 4th Floor, Godrej Millennium, Koregaon Road 9, STS 12/1, Pune, Maharashtra- 411 001, India. CIN - L31300PN2000PLC202408