Biocon Ltd. — Capital/Financing Update 2025

Nov 6, 2025

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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/2025-26/113

November 06, 2025

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 – 400 050 Scrip Code – 532523 Scrip Symbol – Biocon

Dear Sir/Madam,

Subject: Intimation pursuant to Regulation 29(1) of SEBI Listing Regulations

This is further to our letter dated October 06, 2025, intimating the date of Board meeting to be held on November 11, 2025. Pursuant to Regulation 29(1) of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”), we hereby inform you that the Board of Directors of the Company at the aforesaid meeting shall, inter alia , consider the following matters for approval:

• ➢ Early redemption of 50,000 (Fifty Thousand) unlisted, secured, rated, redeemable Non-Convertible Debentures (NCDs) of face value of INR 1,00,000/- (Rupees One Lakh only) each, issued and allotted by the Company on private placement basis on May 19, 2023, subject to receipt of necessary approvals, on such date as may be determined by the Company; and

• ➢ Raising of funds through issuance of Commercial Papers (CPs) on private placement basis, in one or more tranches.

The above-mentioned information will also be available on website of the Company at www.biocon.com.

Request you to take the above intimation on record.

Thanking you,

For Biocon Limited

RAJESH Digitally signed by RAJESH UMAKANT UMAKANT SHANOY Date: 2025.11.06 SHANOY 17:29:28 +05'30' _________________

Rajesh U. Shanoy Company Secretary and Compliance Officer M. No.: ACS 16328