Updates

Dr. Reddy's Laboratories Ltd. 8-2-337, Road No. 3, Banjara Hills Hyderabad – 500 034, Telangana, India CIN: L85195TG1984PLC004507 Tel: + 91 40 4900 2900 Fax: + 91 40 4900 2999 Email: mail@drreddys.com Web: www.drreddys.com June 30, 2026 National Stock Exchange of India Ltd. (Scrip Code: DRREDDY) BSE Limited (Scrip Code: 500124) New York Stock Exchange Inc. (Stock Code: RDY) NSE IFSC Ltd. (Stock Code: DRREDDY) Sub: Compliance under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) – Letter to shareholders in relation to Integrated Annual Report of the Company for FY 2025-26 Pursuant to Regulation 36(1)(b) of the SEBI Listing Regulations, letters are being sent to those shareholders who have not registered their email addresses with the Company or the Registrar and Share Transfer Agent or the Depository Participant(s), providing the weblink for accessing the Notice of the 42nd Annual General Meeting and Integrated Annual Report of the Company for the financial year 2025-26. The above referred letter in this regard is enclosed. You are requested to take the above information on record. Thanking you. Yours faithfully, For Dr. Reddy’s Laboratories Limited K Randhir Singh Company Secretary, Compliance Officer and Head-CSR Dr. Redd y’s Laboratories Limited CIN: L85195TG1984PLC004507 Registered Office: 8-2-337, Road No. 3, Banjara Hills, Hyderabad – 500 034, Telangana, India. Tel : +91 40 49002900, Fax : +91 40 49002999 Email : shares@drreddys.com l Website : www.drreddys.com 42nd Annual General Meeting We are pleased to inform you that the 42nd Annual General Meeting ("AGM") of the Company will be held on Thursday, July 23, 2026, at 11:00 a.m. (1ST) through Video Conferencing ("VC")/Other Audio Visual Means ("OAVM"). The Notice and Integrated Annual Report for Financial Year 2025-26 is available and can be downloaded from below link and QR code: https://www.drreddys.com/cms/sites/default/files/2026-06/Integrated_Annual_Report_2025-26.pdf Final Dividend for FY 2025-26: Amount of Dividend ₹8 per equity share Record date Friday, July 10, 2026 Payment date On or before July 30, 2026 You are requested to update and complete your KYC* details with: • Depository Participants (DPs), if shares held in electronic form: • Company I Registrar and Transfer Agent ("RTA") through Service request, if shares held in physical form: *(including name, postal address, email ID, telephone/mobile numbers, PAN, mandates, nominations, power of attorney and Bank Details) E-voting Details: Cut-off date to determine entitlement for e-voting Thursday, July 16, 2026 E-voting start date and time Sunday, July 19, 2026 (9:00 a.m. IST) E-voting end date and time Wednesday, July 22, 2026 (5:00 p.m. IST) Refer to instructions for Members for Attending the EGM/AGM Through VC/OAVM of 42nd AGM Notice to know the procedure for Speaker registration, e-voting and to join virtual AGM Members who are attending the AGM and have not cast their vote during remote e-voting period, can vote on the resolutions during the AGM Correspondence/Queries: All queries to be addressed to the Company's RTA: Bigshare Services Private Limited Unit – Dr. Reddy’s Laboratories Limited 306, Right Wing, 3rd Floor, Amrutha Ville, Opp. Yashoda Hospital, Rajbhavan Road, Hyderabad 500 082, Telangana, India. Tel: +91-40-2337 4967, 4014 4967 You may also send service request to email id bsshyd@bigshareonline.com Thanking you. Yours faithfully, For Dr. Reddy’s Laboratories Limited K Randhir Singh Company Secretary, Compliance Officer & Head-CSR Membership Number: F6621