Audio and video recording of Q1 2027

Biocon Limited 20th KM, Hosur Road Electronic City Bangalore 560 100, India T 91 80 2808 2808 F 91 80 2852 3423 CIN : L24234KA1978PLC003417 www.biocon.com BIO/SECL/TG/2026-27/51 August 06, 2026 To, To, The Secretary The Secretary 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: Audio and Video Recording of Q1 FY27 Earnings Call Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find below the link for the audio recording and video recording of the Q1 FY27 Earnings Call conducted on August 06, 2026. Link for Audio and Video Recording - https://www.biocon.com/investor-relations/financial- information/quarterly-reports/fy-2026-27/ The same is also available on the website of the Company at www.biocon.com. Kindly take the above information on record. Thanking You, Yours faithfully, For Biocon Limited Rajesh U. Shanoy Company Secretary and Compliance officer ICSI Membership Number: A16328