Rule 8.3- Simon Group PLC

Guinness Peat Group PLC
10 June 2005


Simon Group plc

The following is the text of a Disclosure sent on 10 June 2005 to the Company
Secretary of Simon Group plc:


"Disclosure of Interest in Shares Pursuant to Rule 8.3 of the City Code on
Takeovers and Mergers.


Guinness Peat Group plc and its subsidiary companies ("the Group") hereby notify
Simon Group plc ("Simon Group") that on 9 June 2005 the Group made a market
purchase of 1,600,000 Ordinary 25 pence shares of Simon Group ("Shares") at a
price of £0.4025. As a result of this purchase the Group's interest in the
Shares now amounts to 5,227,228 Shares representing 3.29% of the issued share
capital.


The Group has an interest by virtue of being a Rule 8.3 shareholder of Simon
Group. No member of the Group is party to any agreement or arrangement relating
to the exercise of any rights conferred by holding the Shares subject to this
notification."






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