Kindly refer the attachment

25th September 2026 The Secretary The Secretary BSE Limited The 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: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Receipt of Show Cause Notice from GST Authorities Dear Sir/ Madam, In compliance with Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“the Listing Regulations”), this is to inform you that the Company, is in receipt of a Show Cause Notice dated 25th September 2026, issued under Section 73 of the Karnataka Goods and Services Tax Act,2017. The Commercial Tax Officer (Audit)-6.1, DGSTO-6, Bengaluru, alleged that the Company has availed excess of Input Tax Credit for the period April 2022 to March 2023. The GST official has proposed to determine Tax liability of Rs.14,43,01,828 along with interest of Rs.9,30,74,679 aggregating to Rs. 23,73,76,507. The Company is in the process of responding to the notice after receiving the relevant facts basis thereon above demand has been determined. The information required in terms of Regulation 30 read with Clause 8 of Para B of Part A of Schedule III of the Listing Regulations and SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated 30th January 2026 and Industry Standards on Regulation 30 of the Listing Regulations, are enclosed as ‘Annexure-I’. This information is also made available on the website of the Company. We request you to kindly take the above 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 Annexure – I Information as required under Regulation 30 read with Clause 8 of Para B of Part A of Schedule III of the Listing Regulations Sr. Particulars Description 1. Type of communication The Company received Show Cause Notice dated received 25th September 2026 issued under Section 73 of the Karnataka Goods and Services Tax Act,2017 in relation to alleged excess claim of Input Tax Credit for FY 2022-23. 2. Date of receipt of 25th September 2026 communication 3. Name of the Authority Commercial Tax Officer (Audit)-6.1, DGSTO-6, Bengaluru 4. Brief details of dispute / Show Cause Notice alleging tax demand of litigation viz. name(s) of Rs.14,43,01,828 along with interest of the opposing party, court/ Rs.9,30,74,679 in relation to alleged excess claim tribunal/agency where of Input Tax Credit for FY 2022-23. litigation is filed, brief details of dispute/litigation; 5. Expected financial The Company, in consultation with its consultant implications, if any, due to / tax advisors, is examining the Show Cause compensation, penalty Notice as received and shall take appropriate etc.; steps including submission of reply within the prescribed time period. The Company does not envisage any adverse impact on the financials, operations or other activities of the Company arising from this Show Cause Notice. 6. Quantum of claims, if any; As described in Sr. No. 4 above 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