General Updates

Biocon Limited 20th KM, Hosur Road Electronic City Bangalore 560 100, India T 91 80 2808 2808 F 91 80 2852 3423 CIN : L24234KA1978PLC003417 E: co.secretary@biocon.com www.biocon.com BIO/SECL/TG/2026-27/71 October 10, 2026 To, To, The Manager The Manager BSE Limited National Stock Exchange of India Limited Department of Corporate Services Corporate Communication Department Phiroze Jeejeebhoy Towers, Exchange Plaza, Bandra Kurla Complex Dalal Street, Mumbai – 400 001 Mumbai – 400 051 Scrip Code – 532523 Scrip Symbol – BIOCON Dear Sir/Madam, Subject: Disclosure pursuant to Regulation 30 of the SEBI Listing Regulations Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘SEBI Listing Regulations’), it is hereby informed that the Company has received an Order-In-Original from the Office of the Assistant Commissioner (ST) Atchuthapuram circle, Visakhapatnam-2, Lankelapalem, Anakapalli Dist, Andhra Pradesh. In this regard, the details as required under SEBI Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 and Industry Standards Note on Regulation 30 of the SEBI Listing Regulations are enclosed in Form A. In respect of the captioned matter, the undersigned, states and declares that the information and details provided in Form A, in compliance with Regulation 30(13) of SEBI Listing Regulations, is true, correct and complete to the best of my knowledge and belief. The above information will also be available on the website of the Company at www.biocon.com. Kindly take the above information on record and acknowledge. Thanking you, Yours faithfully, For Biocon Limited Rajesh U. Shanoy Company Secretary and Compliance officer ICSI Membership Number: A16328 Encl.: As above Form A Disclosure by Biocon Limited regarding receipt of communication from regulatory, statutory, enforcement or judicial authority under the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 [Regulation 30(13) – Disclosure of communication from regulatory, statutory, enforcement or judicial authority] Sl Particulars Information 1. Name of the listed company Biocon Limited 2. Type of communication received Order-in-Original (DRC-07) 3. Date of receipt of communication October 09, 2026, Time 15:21 (IST) 4. Authority from whom The Office of the Assistant Commissioner (ST) Atchuthapuram communication received circle, Visakhapatnam-2, Lankelapalem, Anakapalli Dist, Andhra Pradesh. 5. Brief summary of the material The Order confirms a demand of Goods and Service tax of Rs. contents of the communication 1,85,28,762/-, interest of Rs. 1,17,59,033/- and penalty of Rs. received, including reasons for 18,52,476/- receipt of the communication The summary of the main issues involved is as follows: - 1. Non-submission of Special Economic Zone (SEZ) endorsement documents for zero-rated SEZ supplies 2. Input tax reversed under temporary reversal instead of permanent reversal. 3. Improper claim of Input Service Distribution credits. 6. Period for which communication Financial Year 2022-23 would be applicable, if stated 7. Expected financial implications on There is no material impact on the financials, operations or other the listed company, if any activities of the Company. The impact will be limited to the extent of final liability as may be ascertained along with interest and penalty, if any. 8. Details of any aberrations/non- As mentioned in point no. 5 above compliances identified by the authority in the communication 9. Details of any penalty or The Order imposes penalty of Rs. 18,52,476/-. No restriction or restriction or sanction imposed sanction has been imposed pursuant to the Order. pursuant to the communication. 10. Action(s) taken by listed company The Company intends to take appropriate action(s) including filing with respect to the Rectification Application / Appeal. communication . 11. Any other relevant information Nil