IIFL Capital Services Ltd ("Manager to the Open Offer") has submitted to BSE a copy of Detailed Public Statement in terms of Regulation 3(1) and 4 read with Regulations 13(4), 14(3), 15(2) ....

August 28, 2026 BSE Limited National Stock Exchange of India Limited Corporate Relations Exchange Plaza, C-1, Block G, P. J. Towers, Bandra Kurla Complex, Dalal Street, Bandra (East), Mumbai- 400 001 Mumbai – 400 051 Dear Sir/Madam, Sub.: Open offer by Indo Borax and Chemicals Limited ("Acquirer") along with Zenrock Chemicals Private Limited ("PAC") to the public shareholders of Kronox Lab Sciences Limited ("Target Company") for acquisition of equity shares pursuant to Regulations 3(1) and 4 and other applicable provisions of the Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011, as amended ("SEBI (SAST) Regulations") ("Offer"). This has reference to the captioned Offer and further to our letter dated August 20, 2026 for submission of Public Announcement in terms of Regulations 3(1) and 4 and other applicable provisions of the Takeover Regulations. In terms of Regulation 14(3) of the Takeover Regulations, the Detailed Public Statement dated August 27, 2026 has been published in the following publications on August 28, 2026: Newspapers Language Edition Financial Express English All Edition Jansatta Hindi All Edition Navshakti Marathi Mumbai Edition Loksatta – Jansatta Gujarati Vadodara Edition As the equity shares of the Target Company are listed on your Stock Exchanges, in terms of Regulation 14(4) of the Takeover Regulations, please find enclosed a copy of Detailed Public Statement dated August 27, 2026 published on August 28, 2026 appeared in the Financial Express – English – Mumbai edition. Thanking you, For IIFL Capital Services Limited (formerly known as IIFL Securities Limited) Name: Yogesh Malpani Designation: Vice President Encl.: As Above IIFL Capital Services Limited (formerly known IIFL Securities Limited) Corporate Identity Number: L99999MH1996PLC132983 | SEBI Merchant Banking Registration Number: INM000010940 24th Floor, One Lodha Place, Senapati Bapat Marg, Lower Parel, Mumbai – 400013. Tel: +91 22 4646 4600 Fax: +91 22 2493 1073 Regd. Office: IIFL House, Sun lnfotech Park, Road No. 16V, Plot No. B-23, MIDC, Thane Industrial Area, Wagle Estate, Thane - 400 604 Tel: (91-22) 3929 4000/ 4103 5000 • Fax: (91-22) 2580 6654• E-mail: info.ib@iiflcap.com; secretarial@iifl.com • Website: www.iiflcap.com; www.iiflcapital.com