Holding(s) in Company-Amend

Pressure Technologies PLC
16 July 2007



Pressure Technologies plc (the 'Company')

16 July 2007

TR-1(i) Notification of Major Interests in Shares


The following updates the Holdings(s) in Company announcement released 13 July
2007 at 12.48 under RNS number 2287A.

After this announcement was released Universities Superannuation Scheme Ltd 
('USS') has today informed the Company that they did not hold a notifiable 
interest in the Company and the original TR-1 was sent to the Company in error. 
As USS does not have a notifiable holding the information announced previously 
should be disregarded.



Contacts:

Pressure Technologies
Jonathan Clark,         Group Finance Director       0114 242 7520

Brewin Dolphin
Neil Baldwin,           Director                     0113 241 0130




ENDS


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