DR REDDYS LABORATORIES LTD — M&A Activity 2023

Apr 7, 2023

==> picture [452 x 112] intentionally omitted <==

April 7, 2023

National Stock Exchange of India Ltd. (Stock Code: DRREDDY-EQ) BSE Limited (Stock Code: 500124)

Dear Sirs,

Sub: Update on Press Release dated February 27, 2023

This is in furtherance to our press release dated February 27, 2023, titled ‘Dr. Reddy's Laboratories announces agreement to acquire Mayne Pharma’s U.S. generic prescription product portfolio.’ In this regard, we would like to inform you that the said acquisition has been completed on Thursday April 6, 2023.

Kindly take the above on your record.

Thanking you. Yours faithfully, For Dr. Reddy’s Laboratories Limited

KUMAR Digitally signed by KUMAR RANDHI RANDHIR SINGH Date: 2023.04.07 R SINGH 10:41:09 +05'30' K Randhir Singh Company Secretary, Compliance Officer and Head CSR

Cc: New York Stock Exchange Inc. (Stock Code: RDY) NSE IFSC Ltd. (Stock Code: DRREDDY)