Updates

Date: 20™ August, 2026 Kronox Lab Sciences Limited Block No. 353, Ekalbara Padra, Dist. Vadodara-391440 Dear Sir/Madam Sub: INTIMATION UNDER REGULATION 30A READ WITH PARAGRAPH A(5A) OF PART A OF SCHEDULE Il OF SEBI (LISTING OBLIGATIONS AND DISCLOSURE REQUIREMENTS) REGULATIONS 2015, AS AMENDED FROM TIME TO TIME (“SEBI LODR REGULATIONS”) READ WITH SEBI MASTER CIRCULAR NO. HO/49/14/14(7)2025-CFD-POD2/1/3762/2026 (UPDATED ON JANUARY 30, 2026) (“SEBI MASTER CIRCULAR”) . Pursuant to the provisions of Regulation 30A read with paragraph A(5A) of Part A of Schedule Ill of SEBI LODR Regulations, this is to kindly inform you that, we, Mr. Ketan Vinodchandra Ramani, Mr. Pritesh Vinodchandra Ramani and Mr. Jogindersingh Gianchand Jaswal (collectively, the “Sellers”) have executed a Share Purchase Agreement (“SPA”) dated August 20, 2026 with Indo Borax & Chemicals Limited (“Acquirer”) and Zenrock Chemicals Private Limited (“ZCPL”) for the sale of an aggregate of 2,38,44,000 equity shares held by the Sellers (in aggregate) in Kronox Lab Sciences Limited (the “Company”), constituting approximately 64.26% of the total paid-up equity share capital of the Company to the Acquirer, subject to the terms and conditions as set out in the SPA (“SPA Transaction”). As a result of the SPA Transaction, the Acquirer along with ZCPL, in its capacity as persons acting in concert with the Acquirer are required to make a mandatory tender offer to the public shareholders of the Company in accordance with Regulation 3(1) and Regulation 4 of the Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011, as amended. Details as required under SEBI LODR Regulations read with the SEBI Master Circular is enclosed herewith as “Annexure I". We request you to kindly take the above information on record. Thanking you, Signed and delivered by Jogindersingh Gianchand Jaswal chandra Ramani Pritesh Vinodchandra Ramani Place: Mumbai Place: Mumbai Place: Mumbai ANNEXURE | Details as required under Regulation 30 read with Regulation 30A and Paragraph A(SA) of Part A of Schedule IIl of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with the SEBI Master Circular for Listed Entities: Sr.No. Particulars Details No, the listed entity, i.e. the Company is not a party to the SPA. If the listed entity is a party to the agreement: . Details of the counterparties (including name and relationship with the listed entity) If listed entity is not a party to the | The following promoters of the Company as listed in (i) have agreement, entered into the SPA with the counterparties listed in (ii) below: i. Name of the party entering into 2 the agreement and relationship with the Company a. Mr. Ketan Vinodchandra Ramani, promoter holding 26.40% of the Company's share capital as on the date of the SPA; b. Mr. Pritesh Vinodchandra Ramani, promoter holding 21.40% of the Company's share capital as on the date of the SPA; and c. Mr. Jogindersingh Gianchand Jaswal, promoter holding 26.40% of the Company's share capital as on the date of the SPA; (collectively, the “Sellers™). The other parties to the SPA, namely Indo Borax & Chemicals ii. Details of the counterparty(ies) | Limited (the “Acquirera”n)d Zenrock Chemicals Private Limited to the agreement, including (“PAC”) are not related to the Company or to its promoter/ name and relationship with the | oomoter group. The Acquirer and the PAC do not hold any Company shares in the Company, as on the date of execution of the SPA. . R The SPA has been executed on August 20, 2026. iii. Date of entering into the agreement Purpose of entering into the | The purpose of entering into the SPA is the sale and transfer by 3 agreement the Sellers to the Acquirer of an aggregate of 2,38,44,000 equity shares held by the Sellers in the Company, constituting approximately 64.26% of the total paid-up equity share capital Sr. No. Particulars Details of the Company, subject to the terms and conditions set out in the SPA. Shareholding, if any, of the Company Not applicable, as neither the Acquirer nor the PAC holds any in the Acquirer/ PAC, or of the shares in the Company and vice versa. Acquirer/ PAC in the Company as on date ~ The SPA proposes the sale of 2,38,44,000 equity shares, constituting approximately 64.26% of the total paid-up equity share capital of the Company (out of the aggregate 74.21% held by the Sellers), by the Sellers to the Acquirer; — The completion is subject to fulfilment of the conditions precedent and other terms as set out in the SPA; — Pursuant to the terms of the SPA, the Acquirer has agreed to acquire shares entitling it to exercise more than twenty five percent of the voting rights in the Company and accordingly, the transaction shall be undertaken in compliance with the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011 (“Takeover Regulations”), including the fulfillment of the open offer obligations, if any, triggered thereunder; Significant terms of the agreement — The per share price for sale of shares under the SPA is (in brief) 103.22° (Indian Rupees One Hundred and Three point Two Two only); ~ The Sellers have undertaken certain non-compete and non- solicit obligations for an identified period under the SPA; — Each of the Sellers remaining shareholding aggregating to 9.95% is subject to a lock-in for the period (“Lock-in Period”) specified in the SPA; — Upon the expiry of the Lock-in Period, any proposed transfer of the remaining equity shares by any Seller shall be subject to the Acquirer’s right off irst refusal, as per the terms of the SPA; — Upon completion of the transaction under the SPA, the Sellers shall cease to be in control of the Company and shall be re-classified from being promoter(s) and/ or members of the promoter group of the Company to the ‘public’ category in accordance with Regulation 31A(10) of the SEBI LODR Regulations; Sr. No. Particulars Details — Upon completion of the transaction under the SPA, the Acquirer will become and be classificd as the *promoter’ and ZCPL will become and be classified as the ‘promoter group’ of the Company in accordance with provisions of the Takeover Regulations and the SEBI LODR Regulations; — Upon consummation of the SPA Transaction, the Sellers will enter into a consultancy agreement with the Company; — Upon completion of the Transaction under the SPA, the Acquirer shall appoint 3 (three) nominee directors on the board of directors of the Company (“Board™) and the Sellers shall resign from the Board. * The SPA Price of ¥103.22 per Equity Share is the price payable under the SPA. However, the per equity share price inclusive of the consultancy fees payable by the Company to each of the Sellers pursuant to the transition support consultancy arrangements (considered in accordance with Regulation 8(7) of the SEBI (SAST) Regulations) is ¥ 105.87 (Indian Rupees one hundred five point eight seven only) per Equity Share. Extent and nature of impact on Upon completion of the SPA Transaction, the Acquirer shall management or control of the come to hold approximately 64.26% of the paid-up equity share Company capital of the Company, resulting in a change in the promoters and in the management and control of the Company and the Acquirer will become and be classified as the ‘promoter’ and ZCPL will become and be classified as the ‘promoter group” of the Company. The Sellers shall cease to be in control of the Compananyd shall be re-classified from being promoter(s) and/ or members of the promoter group of the Company to the ‘public’ category in accordance with Regulation 31A(10) of the SEBI LODR Regulations. For the period between the date of execution of SPA and completion of the transaction, the Sellers have undertaken, by exercising their voting rights in the Company, to: (i) cause the Details and quantification of the restriction or liability imposed upon Company to operate its business in the ordinary co [Showing first 8,000 characters — download PDF for full document]