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
1,465,399 ordinary shares of 28101/108 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 245,477,199 Ordinary Shares as
treasury shares and the total number of Ordinary Shares in issue (excluding
shares held as treasury shares) is 2,508,649,376.

John Nicholls

Deputy Company Secretary

26 September 2012