Updates

!) INDO BORAX & CHEMICALS LTD. Regd. Office: 302. 3rd Floor Link Rose Building, Linking Road. Santacruz (West), Mumbai - 400054, India. Ph.: 022 26489142 I 47 I 48 • Fax No. 022-26489143 • CIN: L24100MH !980PLC023177 Email : info @indoborax.com • Website : ~MV.indoborax.com 13111 July, 2026 BSE Limited, National Stock Exchange of India Ltd. Phiroze Jeejeebhoy Towers, Exchange Plaza, Plot no. C/1, G Block, Dalal Street, Fort, Bandra-Kurla Complex Mumbai - 400001 Bandra (E), Scrip Code: 524342 Mumbai - 400051 Symbol: INDOBORAX Dear Sir/Madam, Subject: Communication to Shareholders - Intimation on Tax Deduction on Dividend Pursuant to provisions of the Income Tax Act, 2025, dividend income is taxable in the hands of the shareholders. In this regard, please find enclosed herewith an email communication which has been sent to all the shareholders having their email !D's registered with the Company /Registrar and Transfer Agent/Depositories, elaborating the process to be followed in respect of the applicability of tax deduction and formalities to be complied by the shareholders to ensure appropriate deduction of tax on the dividend, if declared, and payable during the financial year 2026-27. The above information is also available on the website of the Company at www.indoborax.com, Kindly take the above on your records. Thanking you, Yours Faithfully, For Indo Borax & Chemicals Limited Pravin Chavan Company Secretary and Compliance Officer Membership No: A16857 Encl:A/a Indo Borax & Chemicals Limited Corporate Identity Number: L24100MH1980PLC023177 Registered Office: 302, Link Rose, Linking Road, Santacruz (West), Mumbai-400054 Website: www.indoborax.com; E-mail ID: complianceofficer@indoborax.com Telephone: 022-2648-9142/43/48 Communication to Shareholders - Intimation on Tax Deduction on Dividend & Updation of Email ID’s, Phone No. and Bank details Date: 13th July, 2026 Dear Shareholder, Subject: Indo Borax & Chemicals Limited - Communication on Tax Deduction at Source (TDS) on Dividend payout We hope this E-mail finds you safe and in good health. The Board of Directors of Indo Borax & Chemicals Limited (‘the Company’) at their meeting held on 21st May, 2026 have recommended dividend of Rs. 40/- per equity share of Re. 1/- each, comprising of Final Dividend of Rs. 10/- per equity share of Re. 1/- each and Special Dividend of Rs. 30/- per equity share of Re. 1/- each, subject to approval by shareholders at ensuing Annual General Meeting. As you are aware, the Company is required to withhold taxes at the prescribed rates on the dividend paid to its shareholders in accordance with Income-tax Act, 2025 (‘the Act’) effective from 01 April 2026. The withholding tax rate varies depending on the residential status of the shareholder and the documents submitted by them and accepted by the Company. The Company shall, therefore, be required to deduct tax at source at the time of making the payment of the dividend, if approved by the Shareholders at the forthcoming AGM dated July 28, 2026. No tax will be deducted on payment of dividend to the resident individual shareholder if the total dividend, paid during Tax Year (‘TY’) 2026-27, does not exceed INR 10,000/- The withholding tax rate would vary depending on the residential status, category of the shareholder and is subject to provision of requisite declarations / documents submitted to the Company. A. RESIDENT SHAREHOLDERS: A.1 Tax deductible at source for Resident Shareholders (other than resident individual shareholders receiving dividend not exceeding INR 10,000 during the Tax Year 2026-27) S No. Particular Withholding Declaration / tax rate documents required 1 Valid PAN updated with the 10% N.A. Depository Participant in case shares are held in dematerialized form; or Registrar and Transfer Agent (‘RTA’) in case shares are held in physical form and no exemption sought by Shareholder 2 No / Invalid PAN with the 20% N.A. Depository Participant in case shares are held in dematerialized form; or RTA in case shares are held in physical form and no exemption sought by Shareholder 3 Availability of lower/nil tax Rate · Copy of PAN card deduction certificate issued by specified in Income Tax Department u/s Lower tax 395(1) of the Act withholding · Copy of lower tax certificate withholding certificate obtained obtained from Income Tax from Income Department Department A.2 Nil Tax Deductible at Source on dividend payment to Resident Shareholders if the Shareholders submit documents mentioned in table below with the Company/ RTA S Particular Declaration / documents required 1 An Individual having · Copy of PAN card (refer point iii to the dividend income more than Notes below) Rs 10,000 and furnishing · Declaration in Form No. 121, fulfilling Form 121 prescribed conditions. (Format of Form No. 121 is enclosed as Annexure -A). 2 Shareholders to whom · Copy of PAN card section 393(1) of the Act does not apply, such as LIC, GIC, Business Trust (REIT, · Self-declaration (Please download the InVIT) etc. Link given as Annexure-B, at the end of this communication), along with adequate documentary evidence (e.g., registration certificate), to the effect that the no tax withholding is required as per provisions of section 393(1) of the Act. 3 Shareholder covered u/s · Copy of PAN card 393(5) of the Act such as Government, RBI, Mutual Funds specified under · Self-declaration (Please download the Schedule VII to Section 11 Link given as Annexure-B, at the end of this of the Act, corporations communication), along with adequate established by Central Act documentary evidence, substantiating and exempt from Income applicability of 393(5) of the Act. Tax. 4 Category I and II Alternative · Copy of PAN card Investment Fund (AIF) · Self-declaration (Please download the Link given as Annexure-B, at the endsection 393 of thForm of this communication) that AIF’s income is exempt under Schedule V to Section 11 of the Act and they are governed by SEBI regulations as applicable to Category I or Category II AIFs, along with copy of registration certificate. 5 Any other entity exempt · Copy of PAN card from withholding tax under the provisions of section 393(6) of the Act · Self-declaration (Please download the Link given as Annexure-B at the end of this communication) along with adequate documentary evidence, substantiating the nature of the entity · Copy of the NIL withholding tax certificate obtained from Income Tax Department 6 Recognized Provident Fund, Valid documentary evidence as per circular no. approved super annuation 18/2017 issued by CBDT. fund 7 National Pension Scheme Valid documentary evidence to be provided I.e. copy of registration certificate, any notification B. NON-RESIDENT SHAREHOLDERS: Tax deductible at source for non-resident shareholders. S Category Withholding tax Declaration / documents required No. rate 1 Foreign 20% (plus · Copy of PAN card (if available) Institutional applicable Investors (FIIs) / surcharge and Foreign Portfolio cess) or tax treaty · Self-declaration (Please Investors (FPIs) rate download the Link given as Annexure-E, at the end of this whichever is communication). beneficial · Copy of Tax Residency certificate issued by revenue authority of country of residence of shareholder for the Tax Year 2026- 27 (covering the period from April 1, 2026 to March 31, 2027) · Shareholders needs to mandatorily provide digital Form 41 covering the period from April 1, 2026 to March 31, 2027 (Note: Application of beneficial Tax Treaty Rate shall depend upon the completeness and satisfactory review by the Company of the documents submitted by the non- resident shareholders. In case the documents are found to be incomplete, the Company reserves the right to not consider the tax rate prescribed under the tax treaty). 2 Alternative 10% (plus · Copy of PAN card (if available) Investment Fund – applicable Category III located surcharge and in International cess) # · Self-declaration (Please Financial Services down [Showing first 8,000 characters — download PDF for full document]