Tremont Master Strategies Trust
30 May 2007

STOCK EXCHANGE ANNOUNCEMENT



For Immediate Release




30 May, 2007



Tremont Master Strategies Trust (the 'Trust')





Re: Redesignation of series



The Directors of the Manager of the above Trust wish to announce that for
operational reasons the series of shares, Tremont Arbitrage Fund Strategy
Investor Distributor A2 USD Class Series 01-NOV-06 has been re-named 'Tremont
Arbitrage Fund Strategy Investor Distributor A2 USD Class - Master Series - New
'.





Enquiries to;


BISYS Hedge Fund Services (Ireland) Limited       Catherine Griffin                          +353 1 436 7200

J & E Davy                                        Aoife Colgan                               +353 1 614 8933















This announcement has been issued through the Companies Announcement Service of



                            The Irish Stock Exchange








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