Transaction in Own Shares

Diageo PLC
11 July 2006



Diageo plc announces that it has today purchased through Credit Suisse
Securities (Europe) Limited 450,000 ordinary shares at a price of 919.92 pence
per share. The purchased shares will all be held as treasury shares.

Following the above purchase, Diageo plc holds 255,920,476 ordinary shares as
treasury shares. The total number of ordinary shares in issue (excluding shares
held as treasury shares) is 2,795,059,769.



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