Pendency of Litigation(s)/dispute(s) or the outcome impacting the Company

29th 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 has received a Show Cause Notice dated 28th September 2026, from the State Tax Officer Ghatak 21 (Ahmedabad) Range 6 Division 2, Gujarat in relation to GST matters pertaining to FY 2022-23. The Show Cause Notice, inter alia, alleges discrepancies between the value of supplies disclosed in E-Way Bills and the corresponding disclosures made in GSTR-1, issues relating to reconciliation of turnover reported in GSTR-9C vis-à-vis turnover considered in GSTR 1, short reversal of input tax credit and availment of certain input tax credits alleged to be ineligible under the applicable GST laws. The Notice proposes a tax, interest and penalty demand aggregating to Rs.16,40,07,641. 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 has received a Show Cause Notice dated received 28th September 2026 in relation to GST matters pertaining to FY 2022-23 alleging discrepancies between the value of supplies disclosed in E-Way Bills and corresponding disclosures in GSTR-1, issues relating to reconciliation of turnover reported in GSTR- 9C vis-à-vis turnover considered in GSTR 1, short reversal of input tax credit and availment of certain input tax credits alleged to be ineligible under applicable GST laws. 2. Date of receipt of 28th September 2026 communication 3. Name of the Authority State Tax Officer Ghatak 21 (Ahmedabad) Range 6 Division 2, Gujarat 4. Brief details of dispute / Show Cause Notice proposing a tax, interest and litigation viz. name(s) of the penalty demand aggregating to Rs.16,40,07,641 in opposing party, court/ relation to alleged discrepancies between the value of tribunal/agency where supplies disclosed in E-Way Bills and corresponding litigation is filed, brief details disclosures in GSTR-1, issues relating to reconciliation of dispute/litigation; of turnover reported in GSTR-9C vis-à-vis turnover considered in GSTR 1 and the gross turnover reported by the Company, short reversal of input tax credit and availment of certain input tax credits alleged to be ineligible under applicable GST laws for FY 2022-23. 5. Expected financial The Company, in consultation with its consultant / tax implications, if any, due to advisors, is examining the Show Cause Notice as compensation, penalty etc.; received and shall take appropriate 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