General Updates

29th October 2026 The Secretary, The Secretary, BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra-Kurla Complex, Bandra (E), Mumbai 400 001 Mumbai 400 051 Scrip Code: 500674 Symbol: SANOFI Sub: Communication of Tax Deduction at Source on Interim Dividend for the Financial Year 2026 Dear Sir / Madam, In accordance with the provisions of the Income Tax Act, 2025 (“the Act”) as amended from time to time, dividend declared and paid by the Company is taxable in the hands of its Shareholders and the Company is required to deduct tax at source (“TDS”) from the dividend paid to the Shareholders at the applicable rates, as may be notified from time to time. Please find enclosed herewith an e-mail communication which has been sent to all the Shareholders whose e-mail addresses are registered with the Company's Registrar and Share Transfer Agent viz. MUFG Intime India Private Limited/ Depository Participants as on Friday, 23rd October 2026 explaining the process regarding the applicability of tax deduction at source and formalities to be followed by the Shareholders to ensure appropriate deduction of tax on the Interim Dividend for the financial year 2026 declared at the Meeting of Board of Directors, held on Thursday, 29th October 2026. Please take the above information on record. Thanking you, Yours faithfully For Sanofi India Limited Haresh Vala Company Secretary and Compliance Officer Membership No.: A18246 Encl: a/a Sanofi India Limited, Sanofi House, CTS No. 117-B, L&T Business Park, Saki Vihar Road, Powai, Mumbai 400 072 - India - Tel.: +91(22) 2803 2000 - Fax: +91(22) 2803 2939 Corporate Identity Number: L24239MH1956PLC009794 Website: www.sanofiindialtd.com | www.sanofi.in Email: igrc.sil@sanofi.com SANOFI INDIA LIMITED CIN: L24239MH1956PLC009794 Registered Office: Sanofi House, CTS No. 117-B, L&T Business Park, Saki Vihar Road, Powai, Mumbai 400 072 Website: www.sanofiindialtd.com; Email: igrc.sil@sanofi.com Tel no.: (022) 2803 2000; Date: 29th October 2026 Dear Shareholder, Trust you and your family are safe and in good health! Subject: Communication of Tax Deduction at Source on Interim Dividend for the Financial Year 2026 We are pleased to inform you that the Board of Directors of the Company at its meeting held on 29th October 2026, have declared an Interim Dividend of Rs. 75/- (Rupees Seventy-Five only) per equity share of Rs. 10/- (Rupees Ten only) each for the financial year 2026. The said dividend will be payable to those Shareholders whose names appear in the Register of Members of the Company and to those whose name appears as Beneficial Owners as at the close of the business hours on 5th November 2026 (“Record Date”) as per the details to be furnished by the Depositories, viz. National Securities Depository Limited (“NSDL”) and Central Depository Services (India) Limited (“CDSL”) for this purpose. The Shareholders holding shares in physical form whose folio(s) do not have Permanent Account Number (“PAN”), Choice of Nomination, Contact Details, Mobile Number, Bank Account Details, Specimen Signature updated, shall be eligible for payment of dividend, in respect of such folio(s), only through electronic mode, with effect from 1st April 2024, upon their furnishing complete aforesaid details in the prescribed format to the Company’s Registrar and Share Transfer Agent (“RTA”) – MUFG Intime India Private Limited (formerly Link Intime India Private Limited). In accordance with the provisions of the Income Tax Act, 2025 (“the Act”) as amended from time to time, dividend declared and paid by the Company is taxable in the hands of its Shareholders and the Company is required to deduct tax at source (“TDS”) from the dividend paid to the Shareholders at the applicable rates. All Shareholders are requested to ensure that the following details are updated, as applicable, through their Depository Participant (in case of shares held in dematerialized form) or with RTA in the Register of Members (in case of shares held in physical form), on or before the record date i.e. 5th November 2026: Sanofi India Limited, Sanofi House, CTS No. 117-B, L&T Business Park, Saki Vihar Road, Powai, Mumbai 400 072 - India - Tel.: +91(22) 2803 2000 - Fax: +91(22) 2803 2939 Corporate Identity Number: L24239MH1956PLC009794 Website: www.sanofiindialtd.com | www.sanofi.in Email: igrc.sil@sanofi.com 1. Residential status as per the Act, i.e. Resident or Non-Resident for the tax year 2026-27. 2. Valid PAN, if allotted 3. Category of shareholder 4. E-mail Address 5. Residential Address with Postal Code (including country) Please note that for the purpose of complying with applicable TDS provisions, the Company will rely on the above-mentioned details as available in the Register of Members on the Record Date and information submitted by the shareholders to determine the applicable rate of TDS. Shareholders are requested to note of the following important dates related to the eligibility for the Interim Dividend: 1. Record date: 5th November 2026 2. Last date for submission of TDS declarations: On or before 5th November 2026, 5.00 p.m. IST through https://web.in.mpms.mufg.com/formsreg/submission-of-Form-121-41.html This communication summarizes the applicable TDS provisions in accordance with the provisions of the Act, for various categories including Resident or Non-Resident Shareholders. For Resident Shareholders: 1. No TDS shall be deducted on dividend payable to in the case of resident individual Shareholders in accordance with provisions of section 393(1)(4) of the Act read with Sr no. 10 of Table – For No Deduction at Source, if the amount of such Dividend in aggregate paid or likely to be paid during the tax year does not exceed Rs. 10,000/-. 2. Where, the PAN of resident individual Shareholder is available and is valid, i. TDS shall be deducted at the rate of 10% on the amount of Dividend payable. ii. In cases where the resident individual Shareholder provides the duly signed Form 121 (as applicable) in accordance with the provisions of Section 393(6) of the Act and provided that the eligibility conditions are being met, no TDS shall be deducted. 3. Where the PAN is either not available or is invalid, TDS shall be deducted at a rate which is higher of the prescribed TDS rates or 20%. 4. In order to help the Company to comply with the relevant provisions of the Act, the following resident non-individual Shareholders are requested to provide a self-declaration as listed below: a. Insurance companies: A declaration that they are beneficial owners of shares held. b. Mutual Funds: A declaration that they are eligible Mutual funds in accordance to Schedule VII of the Act along with copy of registration documents (self-attested). Sanofi India Limited, Sanofi House, CTS No. 117-B, L&T Business Park, Saki Vihar Road, Powai, Mumbai 400 072 - India - Tel.: +91(22) 2803 2000 - Fax: +91(22) 2803 2939 Corporate Identity Number: L24239MH1956PLC009794 Website: www.sanofiindialtd.com | www.sanofi.in Email: igrc.sil@sanofi.com c. Alternative Investment Fund (“AIF”) established in India: A declaration that its income is exempt in accordance to Schedule V of the Act, and they are established as Category I or Category II AIF under the SEBI Regulations along with copy of registration documents (self- attested). d. Other Non-Individual Shareholders: Who are exempted from TDS under provisions of Section 393(1) of the Act and who are covered u/s 393(5) of the Act are also not subject to withholding of any tax are required to submit an attested copy of the PAN along with the documentary evidence in relation to the same. For Non-Resident Shareholders: 1. TDS shall be deducted / withheld at the rate of 20% (plus applicable Surcharge and, Health and Education Cess) on the amount of Dividend payable. 2. Non-resident Shareholder may have an option to be governed by the provisions of the Double Tax Avoidance Treaty (“DTAA”) [Showing first 8,000 characters — download PDF for full document]