Letter to Shareholders Providing Weblink for accessing Integrated Annual Report for FY 2025-26

28.08.2026 BSE Limited, P.J Towers, Dalal Street, Fort Mumbai- 400001 Scrip Code: 533006 Scrip Name: BIRLACOT Dear Sir/Madam Sub: Letter containing web-link of Annual Report FY 2025-26 Pursuant to Regulation 36(1)(b) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, a letter is being sent to those Members who have not registered their email addresses with the Company/Depositories/Registrar & Transfer Agent, providing a web-link of the Annual Report FY 2025-26. A copy of the said letter is enclosed. We request you to take the above on record and treat it as compliance under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. The Annual Report is being also being made available on the Company’s website at https://www.birlacotsyn.com/Birla-Cotsyn-India-Limited-AR-2025-26.pdf This is for your information and record. Thanking You, Yours faithfully, For, Birla Cotsyn (India) Limited Gaurav Anand Company secretary & Compliance Officer Birla Cotsyn (India) Limited Regd. Off: 1105, 11th Floor, Regent Chambers, Jamnalal Bajaj Road, Nariman Point, Mumbai- 400021 Maharashtra CIN: L17110MH1941PLC003429, Tel: +91-22-2283 1287 E-mail: complianceofficer@birlacotsyn.com, Website: www.birlacotsyn.com Date: 28.08.2026 Dear Shareholders, Notice is hereby given that the 84th Annual General Meeting of Birla Cotsyn (India) Limited (CIN: L17110MH1941PLC003429) will be held through Video Conferencing (“VC”) or Other Audio Visual Means (“OVAM”) on Monday, 21st September, 2026 at 02:00 P.M (IST) to transact the following business: For your convenience the full Annual Report is available at https://www.birlacotsyn.com/Birla-Cotsyn-India-Limited-AR- 2025-26.pdf. Alternatively, you can download the same from www.bseindia.com. Members have the option to exercise their right to vote on resolutions proposed to be considered at the 84th AGM by remote e-voting as well as e-voting during the AGM (collectively referred to as “e-voting”) through e-voting services provided by CDSL at www.evotingindia.com. The remote e-voting period begins on Friday, 18th September, 2026 at 9.00 A.M (IST) and ends on Sunday, 20th September, 2026 at 05.00 P.M (IST). During this period shareholders of the Company, holding shares either in physical form or in dematerialized form, as on the cut-off date (record date) of Monday 14th September 2026 may cast their vote electronically. The e-voting module shall be disabled by CDSL for voting thereafter. The electronic voting particulars are set out below: EVSN (E-Voting event number) User Id: Password/Sequence No: 260828013 The manner in which Members can cast their votes by e-voting is provided in the Notice of the AGM. Any query or grievance connected with e-voting may be addressed to helpdesk.evoting@cdslindia.com or call IVR Number: 022 - 6234 3333, Toll free no. 1800-21-09911. All future communications to shareholders would be sent in electronic form to the registered e-mail address. In case of any updation / change in your e-mail address, you are requested to promptly update the same with your company and email to rtaclientservice@adroitcorporate.com / complianceofficer@birlacotsyn.com. We thank you for your support in this green initiative. For, Birla Cotsyn (India) Limited Sd/- Gaurav Anand Company Secretary & Compliance Officer