Updates

KRSNOX Date: 20 August, 2026 To, To, National Stock Exchange of India BSE Limited Limited 25" Floor, Exchange Plaza, C-1 Block G, Phiroze Jeejeebhoy Towers, Bandra Kurla Complex Dalal Street, Fort, Bandra [E], Mumbai - 400 001 Mumbai — 400051 BSE Scrip Code: 544187 NSE Scrip Symbol: KRONOX Dear Sir/Madam Sub: DISCLOSURE UNDER REGULATIONS 30 AND 30A READ WITH PARAGRAPH A(5) AND A(5A) OF PART A OF SCHEDULE Ill 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//3762/2026 (UPDATED ON JANUARY 30, 2026) (“SEBI MASTER CIRCULAR”"). Pursuant to the provisions of Regulations 30 and 30A read with paragraph A(5) and paragraph A(5A) of Part A of Schedule Il of SEBI LODR Regulations, this is to kindly inform you that, Kronox Lab Sciences Limited (the “Company”) has received an intimation from the promoters of the Company, namely, Mr. Ketan Vinodchandra Ramani, Mr. Pritesh Vinodchandra Ramani and Mr. Jogindersingh Gianchand Jaswal (collectively, the “Sellers”) that 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 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”). Pursuant to the SPA Transaction, the Acquirer along with ZCPL, in its capacity as persons acting in concert with the Acquirer have agreed 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". KRONOX LAB SCIENCES LIMITED Corporate Office Address : Block No. 284, Village : Dabhasa, Taluka : Padra, Dist. : Vadodara, Gujarat State - 391 440. Registered Office Address : Block No. 353, Village : Ekalbara, Taluka : Padra, Dist. : Vadodara, Gujarat State - 391 440. Phone No. : +91 02662 299002 CIN : L24117GJ2008PLC055460 Email : info@kronoxlabsciences.com, Webside : www.kronoxlabsciences.com KR®NOX The Company shall make such further disclosures as may be required under the applicable regulatory framework upon completion of the proposed sale. You are requested to take the above information on record. Thanking you, Yours Faithfully For KRONOX LAB SCIENCES LIMITED KRONOX LAB SCIENCES LIMITED Corporate Office Address : Block No. 284, Village : Dabhasa, Taluka : Padra, Dist. : Vadodara, Gujarat State - 391 440. Registered Office Address : Block No. 353, Village : Ekalbara, Taluka : Padra, Dist. : Vadodara, Gujarat State - 391 440. Phone No. : +91 02662 299002 CIN : L24117GJ2008PLC055460 Email : info@kronoxlabsciences.com, Webside : www.kronoxlabsciences.com 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 (Substan [Showing first 8,000 characters — download PDF for full document]