Biocon Ltd. — Capital/Financing Update 2025

Dec 16, 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/2025-26/141

December 16, 2025

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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
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Dear Sir/ Madam,

Subject: Intimation regarding Credit Rating

Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, please note that CRISIL Ratings Limited (‘CRISIL’) has reaffirmed the credit ratings on the bank facilities of the Company. Please find below the rating action by CRISIL:

Total Bank Loan Facilities Rated	Rs. 250 Crore
Long Term Rating	Crisil AA+/Stable (Reaffirmed)
Short Term Rating	Crisil A1+ (Reaffirmed)

The same is available on the website of CRISIL at the below mentioned link: https://www.crisilratings.com/mnt/winshare/Ratings/RatingList/RatingDocs/BioconLimited_December %2016_%202025_RR_385018.html

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

Kindly take the same on record and acknowledge.

Thanking You,

Yours faithfully,

For Biocon Limited

RAJESH Digitally signed by RAJESH UMAKANT UMAKANT SHANOY SHANOY Date: 2025.12.16 20:06:48 +05'30'

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Rajesh U. Shanoy

Company Secretary and Compliance officer ICSI Membership Number: A16328