Analysts/Institutional Investor Meet/Con. Call 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 October 29, 2026 National Stock Exchange of India Ltd. (Stock Code: DRREDDY) BSE Limited (Stock Code: 500124) New York Stock Exchange Inc. (Stock Code: RDY) NSE IFSC Ltd. (Stock Code: DRREDDY) Dear Sir/ Madam, Sub: Transcript of the Earnings call conducted on October 23, 2026 Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed the transcript of the Earnings call for the quarter and half year ended September 30, 2026, conducted on October 23, 2026. Also please note that this transcript of the call has been uploaded on our website and are available at the following link. Weblink: EarningsCallTranscriptQ2FY27.pdf This is for your information and records. Thanking you. Yours faithfully, For Dr. Reddy’s Laboratories Limited K Randhir Singh Company Secretary, Compliance Officer & Head-CSR