Communication to the Shareholders w.r.t TDS on Final Dividend

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/2026-27/33 June 22, 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 – 400 050 Scrip Code – 532523 Scrip Symbol – Biocon Subject: Communication to the shareholders w.r.t. TDS on Final Dividend Dear Sir/Madam, Please find enclosed email communication sent by the Company to its shareholders today with respect to the deduction of tax at source on final dividend for the Financial Year 2025-26 to be approved by the shareholders at the Annual General Meeting of the Company scheduled on August 06, 2026. The communication has been sent to shareholders whose email addresses are registered with the Company/Depository Participants. The specimen of the communication is appended herewith for your reference and records, and 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: co.secretary@biocon.com Ref: Folio / DP Id & Client Id No: Name of the Shareholder : Dear Shareholder, Sub: Communication regarding deduction of tax at source on Final Dividend for the Financial Year ended March 31, 2026 We are pleased to inform you that the Board of Directors of the Company at its Meeting held on May 07, 2026 has recommended final dividend at the rate of 10% i.e. Re. 0.50/- per equity share of face value of Rs. 5/- each fully-paid up, for the Financial Year ended March 31, 2026. The dividend, as recommended by the Board of Directors, is subject to approval of shareholders at the ensuing 48th Annual General Meeting ('AGM') of the Company scheduled to be held on Thursday, August 06, 2026, and will be paid to those shareholders whose names appear in the Register of Members of the Company as on Friday, July 03, 2026 ('Record Date'). As per the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 ('SEBI Listing Regulations'), only those shareholders whose details of bank accounts are registered with the Depository Participant/ Registrar and Transfer Agent ('RTA') shall receive electronic credit of dividend. The Company shall withhold the dividend of those shareholders whose details of bank accounts are not registered with the Depository Participant/ Registrar and Transfer Agent ('RTA') and will be paid only upon updation of the bank details. As per the provisions of the Income Tax Act, 2025 ('the Act'), as amended from time to time, dividend paid by a company is taxable in the hands of the shareholders and the Company is required to deduct Tax at Source ('TDS') from dividend paid to shareholders at the prescribed rates. The TDS rate would vary depending on the residential status, category of shareholder and the documents submitted by them and accepted by the Company. The shareholders are requested to update/verify the PAN, address, category and the residential status as per the Act, if not already done, with their Depository Participants (in case of shares held in demat mode) and with the Company's RTA - KFin Technologies Limited (in case of shares held in physical mode). The Company will rely on the details as available with the Depository Participants/RTA. This communication summarizes the applicable TDS provisions of the Act for various shareholder categories, including Resident and Non-Resident shareholders. Shareholders are requested to take note of the following TDS rates and provide additional information to the Company, if applicable. I.Resident Shareholders: Section Category TDS Rate Applicability Conditions/Documents required 393(4) Insurance companies Nil Self-declaration to be provided as per format enclosed as Annexure 1 that shareholder is an Insurance Company and has full beneficial interest with respect to the shares owned by it along with self-attested copy of PAN card and registration certificate issued by the IRDAI/LIC/GIC. 393(5) Mutual Fund Nil Self-declaration to be provided as per format enclosed as Annexure 1 that shareholder is a Mutual Fund specified in Schedule VII (Table: Sl. No 20 or 21) to Section 11 of the Act along with self-attested copy of PAN card and registration certificate. 393(5) Corporation established by or under a Central Nil Self-declaration to be provided as per format enclosed as Annexure 1 that shareholder Act which is, under any law for the time being is a Corporation established by or under a Central Act along with self-attested copy of in force, exempt from income- tax on its PAN card and document evidencing that shareholder is covered under section 393(5) income. of the Act. 393(9) New Pension System Trust Nil Self-declaration to be provided as per format enclosed as Annexure 1 that shareholder is a New Pension System Trust specified in Schedule VII (Table: Sl. No 41) to Section 11 of the Act along with self-attested copy of PAN card and registration certificate. 393 Alternative Investment Fund ("AIF") established Nil Self-declaration to be provided as per format enclosed as Annexure 1 that shareholder in India is an Alternative Investment Fund specified in Schedule V (Table: Sl. No 1) to Section 11 of the Act and established as Category I or Category II AIF under the SEBI Regulations or International Financial Services Centre (IFSC) Regulations along with self-attested copy of PAN card and registration certificate. 395 Resident shareholders obtaining certificate Rate provided in the Copy of the Certificate issued under section 395 of the Act is to be provided. The under Section 395 of the Act certificate certificate should be valid for the tax year 2026-27 and should cover dividend income. 393(4) Other Resident shareholders Nil • Aggregate amount of dividend payable during the Tax Year 2026-27 does not exceed Rs. 10,000 in case of Individual Shareholder. • Duly filled and verified Form 121 (Form enclosed as Annexure 2 is to be furnished by eligible shareholders in duplicate along with self-attested copy of PAN card. Please note that all fields are mandatory to be filled up and Company will reject incomplete forms. • Self-declaration to be provided as per format enclosed as per Annexure 1. If the shareholder is exempted from TDS provisions through any circular or notification along with self-attested copy of PAN card and documentary evidence supporting the exemption. 393(1) Other Resident shareholders 10% Shareholder having valid PAN Shareholder not having PAN / invalid PAN / not having linked with their Aadhaar wherever applicable. The Company will be using online functionality of the Income-tax 397(2) Other Resident shareholders 20% department for the above purpose and no claim shall lie against the Company for such tax deduction#. # As per section 262 of the Act, every person who has been allotted a PAN and who is eligible to obtain Aadhaar, shall be required to link the PAN with Aadhaar. In case of failure to comply with this, the PAN allotted shall be deemed to be invalid / inoperative and he shall be liable to all consequences under the Act and tax shall be deducted at the higher rate provided in Section 397(2) of the Act, i.e., 20% of tax deduction at source. II. Non-Resident Shareholders: Tax will be deducted on the amount of dividend payable to non-resident shareholders at the rate given below: Section Category TDS Rate Applicability Conditions/Documents required 393 Category III AIF 1 [Showing first 8,000 characters — download PDF for full document]