Record Date

Date: 24th August, 2026 To, To, National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1 Block G, 25th Floor, Bandra Kurla Complex Phiroze Jeejeebhoy Towers, Bandra [E], Mumbai – 400051 Dalal Street, Fort, NSE Scrip Symbol: KRONOX Mumbai - 400 001 BSE Scrip Code: 544187 Subject: Intimation of Record Date for payment of Final Dividend for FY-25-26 Ref: Regulation 42 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 This is further to our intimation dated May 21, 2026, wherein the Board of Directors have recommended Final Dividend of Rs.0.50/- per equity share of Rs. 10/- each for the financial year 2025-26. In this regard, we wish to inform that the Company has fixed Wednesday, September 09, 2026, as the “Record Date” for determining the eligibility of shareholders for the final dividend for the financial year ended March 31, 2026. We hereby enclose the Notice of Record date in the prescribed format. SYMBOL Type of Security Record Date Purpose BSE-531067 Equity Shares Wednesday, September 09, Payment of final equity NSE- KRONOX 2026 dividend, if declared, for Financial Year 2025-26 This is for your information and further dissemination. Thanking you, Yours Faithfully For KRONOX Lab Sciences Limited Nikhil Goswami Company Secretary & Compliance O(cid:431)icer Membership No. A68272