Transaction in Own Shares

Diageo PLC
25 August 2005




Diageo plc announces that it has today purchased through CSFB Europe Ltd 250,000
ordinary shares at a price of 794.41 pence per share. The purchased shares will
all be held as treasury shares.



Following the above purchase, Diageo plc holds 97,369,000 ordinary shares as
treasury shares. The total number of ordinary shares in issue (excluding shares
held as treasury shares) is 2,953,028,938.




                      This information is provided by RNS
            The company news service from the London Stock Exchange