Transaction in Own Shares

Marston's PLC
31 May 2007



                                  Marston's PLC

                            Purchase of own shares


Marston's PLC announces that it has purchased the following number of its 
ordinary shares of 7.375p each on the London Stock Exchange via UBS Investment 
Bank.


Date of purchase:                              31/05/2007
Number of ordinary shares purchased:           296,800
Highest price paid per share:                  477.375p
Lowest price paid per share:                   465.50p
Volume weighted average price per share:       469.438p

Marston's PLC intend to hold these shares as treasury shares, Following the
above purchase, Marston's PLC holds 19,005,339 ordinary shares as treasury
shares and has 292,844,229 ordinary shares in issue (excluding treasury shares).



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