SIS Limited has informed the Exchange about the commencement of the buyback of the equity shares of the Company.

August 13, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, Phiroze Jeejeebhoy Towers, C-1, Block G, Bandra Kurla Complex, Dalal Street, Bandra (E), Mumbai-400051, Mumbai-400001 Company Symbol: SIS Company Code: Equity: 540673 Debt: 976573 Dear Sir/Madam, Subject: Intimation of commencement of buyback This is in furtherance to our letter dated August 5, 2026, informing the outcome of the meeting of the board of directors (“Board” which term includes a committee thereof, constituted by the Board to exercise its powers, conferred by the Board in relation to the Buyback, hereinafter the “Buyback Committee”) of SIS Limited (“Company”), approving the buyback of fully paid-up equity shares of face value of ₹5/- (Rupee five only) (“Equity Shares”) each, from the shareholders/ beneficial owners of the Company (other than those who are promoters, members of the promoter group or persons in control), from the open market through stock exchange mechanism, for an aggregate amount not exceeding ₹106.00 Crores (Rupees One Hundred and Six Crores only) (“Maximum Buyback Size”), and at a price not exceeding ₹478.50/- (Rupees Four Hundred and Seventy Eight and Fifty Paise only) per Equity Share, payable in cash (the process being referred hereinafter as “Buyback”). In this regard, we are pleased to inform you that, as disclosed in the Public Announcement dated August 6, 2026, the Company has commenced the Buyback today i.e. August 13, 2026 (“Commencement Date”) and the Buyback will close, on the earlier of (i) the expiry of sixty-six working days from the Commencement Date i.e., November 20, 2026; or (ii) when the Company completes the Buyback by deploying the amount equivalent to the Maximum Buyback Size; or (iii) such earlier date as may be determined by the Board or the Buyback Committee, after giving notice of such earlier closure, subject to the Company having deployed an amount equivalent to at least 75% of the amount earmarked as the Maximum Buyback Size for the Buyback, i.e. ₹79.50 Crores (Rupees Seventy Nine Crores and Fifty Lakhs only) (even if the Maximum Buyback Size has not been reached). Kindly take the above information on record. Thanking you. Sincerely, For SIS Limited Pushpalatha Katkuri Company Secretary and Compliance Officer SIS Limited Address for correspondence: #106, 1st Floor, Ramanashree Arcade, 18 MG Road, Bangalore- 560 001, Karnataka Registered office: Annapoorna Bhawan, Patliputra Telephone Exchange Road, Kurji, Patna 800 010 Bihar Website: www.sisindia.com Tel: +91 80 2559 0801 E-mail ID: compliance1@sisindia.com CIN: L75230BR1985PLC002083