Transaction in Own Shares

Diageo PLC
14 July 2005

Diageo plc announces that it has today purchased through CSFB Europe Ltd 250,000
ordinary shares at a price of 791.54 pence per share. The purchased shares will
all be held as treasury shares.

Following the above purchase, Diageo plc holds 88,880,000 ordinary shares as
treasury shares. The total number of ordinary shares in issue (excluding shares
held as treasury shares) is 2,961,498,964.

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