Transaction in Own Shares

Diageo PLC
31 August 2006



Diageo plc announces that it has today purchased through Credit Suisse
Securities (Europe) Limited 1,700,000 ordinary shares at a price of 933.1 pence
per share. The purchased shares will all be held as treasury shares.


Following the above purchase, Diageo plc holds 272,659,509 ordinary shares as
treasury shares. The total number of ordinary shares in issue (excluding shares
held as treasury shares) is 2,778,329,588.


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