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 www.biocon.com BIO/SECL/TG/2026-27/66 September 09, 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 Subject: Communication regarding remittance of final dividend for the FY 2025-26 Dear Sir/Madam, Please find enclosed copy of the letter sent by the Company to its shareholders on September 09, 2026, intimating the remittance of final dividend for the FY 2025-26. The communication has been sent to those shareholders who have not registered their e-mail id but have registered their address with the Registrar & Share Transfer Agent of the Company/Depository Participants. The same will also be available on the website of the Company at www.biocon.com. Kindly take the above intimation on record. Thanking you, Yours faithfully, For Biocon Limited Rajesh U. Shanoy Company Secretary and Compliance officer ICSI Membership Number: A16328 Encl. as above Biocon Limited CIN: L24234KA1978PLC003417 Registered Office: 20th KM, Hosur Road, Electronic City, Bengaluru - 560 100, Karnataka, India Tel: 080-2808 2808, Website: www.biocon.com; E-mail ID: co.secretary@biocon.com Date: August 28, 2026 Dear Shareholder, Sub: Intimation regarding remittance of final dividend for the FY 2025-26 - BIOCON LIMITED We are pleased to inform you that final dividend of ₹ 0.50 per equity share of face value ₹ 5/- for the financial year 2025-26 has been approved by Members of the Company at the 48th Annual General Meeting held on Thursday, August 06, 2026. As per your mandate registered with the Registrar & Share Transfer Agent / Depository Participants, the Company has remitted the dividend amount in respect of equity share(s) held by you in the Company through electronic mode, as per the details given below: 01 Electronic Credit Reference No. / Advice No. 02 Folio No. / DPID & Client ID No. 03 Name of the Shareholder 04 No. of Equity Shares held on Record date i.e. Friday, July 03, 2026 05 Dividend Per Share (Rs.) 06 Gross Dividend (Rs.) 07 Tax Deducted (Rs.) 08 Net Dividend (Rs.) 09 % of Tax 10 Bank Account No. 11 Bank Name 12 MICR Code/ IFSC Code 13 Date of credit 14 Mode of payment Kindly verify the credit of dividend amount in your bank account. In case the credit has not been received, kindly refer the same to KFin Technologies Limited, the Registrar & Share Transfer Agent (‘RTA’) of the Company. Further, in all future communications, kindly quote name of the shareholder, Folio No. / DPID & Client ID and the same should be addressed to the Company's RTA at the address given below: KFin Technologies Limited Unit : BIOCON LIMITED Selenium, Tower B, Plot Nos. 31 & 32, Financial District, Nanakramguda, Serilingampally, Hyderabad - 500032 India P: +91- 40-67161517 Email: einward.ris@kfintech.com; Website: www.kfintech.com Thanking you, For Biocon Limited Sd/- Rajesh U. Shanoy Company Secretary and Compliance officer ICSI Membership Number: A16328