Audio Recording of the Earnings call conducted on October 23, 2026

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 24, 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: Audio Recordings 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 below the link of the audio recording of the Earnings call held on October 23, 2026, in relation to Unaudited Financial Results of the Company for the quarter and half year ended September 30, 2026. Weblink of Audio recording: https://www.drreddys.com/cms/sites/default/files/2026- 10/GMT20261023-140009_Recording.mp3 Weblink of Video recording: https://players.brightcove.net/6416033764001/tBVDE8HXN_default/index.html?videoId=64 07301667112 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