Transaction in Own Shares

Ashtead Group plc

3 July 2008

Ashtead Group plc ("the Company") announces that on 3 July 2008 it purchased
through UBS Limited, 763,380 ordinary shares at an average price of 57.8063
pence per share. The highest price paid was 59.5 pence per share and the lowest
price paid was 54.625 pence per share.

The Company intends to hold these shares in Treasury.

Following the purchase of these shares, the Company holds 44,593,557 of its
shares in Treasury and has 516,979,169 shares in issue (excluding Treasury
shares).

This number (516,979,169) represents the total voting rights in the Company and
may be used by shareholders as the denominator for the calculations by which
they will determine if they are required to notify their interest in, or a
change to their interest in, Ashtead Group plc under the FSA's Disclosure and
Transparency Rules.

Enquiries:

Ashtead Group plc 020 7726 9740

Eric Watkins