ESOP/ESOS/ESPS

www.stl.tech July 24, 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. Symbol: STLTECH Scrip Code: 532374 Sub: Intimation under Regulations 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (Listing Regulations’) and other applicable SEBI regulations Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that in terms of the Company's Employees Stock Option Scheme 2016 (ESOP 2016), 17,94,800 options exercisable into equal number of fully paid-up equity shares of the Company, at an exercise price of Rs. 2/- per option, have been granted to eligible employees in the meeting of the Nomination and Remuneration Committee of the Board held on July 24, 2026. These stock options shall vest over a period of 3 (three) years and shall be capable of being exercised within a period of 5 (five) years from the date of vesting. We request you to take the aforesaid on records. Thanking you. Yours sincerely, For Sterlite Technologies Limited Mrunal Asawadekar Company Secretary & Compliance Officer Membership No.: A 24346 Sterlite Technologies Limited Registered office: 4th Floor, Godrej Millennium, Koregaon Road 9, STS 12/1, Pune, Maharashtra- 41001, India. CIN - L31300PN2000PLC202408