Company name Diageo PLC
Headline Transaction in Own Shares

Transaction in Own Shares
TO:      Regulatory Information Service                                     
         PR Newswire                                                        
RE:      PARAGRAPH 12.6.4 OF THE LISTING RULES                              

Diageo plc - Transaction in Own Shares

Diageo plc (the "Company") announces that today, it released from treasury
8,479 ordinary shares of 28 101/108 pence each ("Ordinary Shares"), to satisfy
grants made under employee share plans.  The average price at which these
Ordinary Shares were released from treasury was 1080.32 pence per share.

Following this release, the Company holds 248,390,587 Ordinary Shares as
treasury shares and the total number of Ordinary Shares in issue (excluding
shares held as treasury shares) is 2,505,725,398.

Paul Tunnacliffe
Company Secretary

6 July 2012