Barclays Global Inv Cash Selection
22 August 2007


Stock Exchange Announcement



For immediate release                                 22 August 2007



                          Barclays Global Investors Cash Selection Funds plc (the 'Company')



                         Barclays Global Investors US Dollar Liquidity First Fund (the 'Fund')


Re: Update to operations




The board of directors of the manager of the Company wishes to advise of the
following changes in the operations of the Fund:



Change in definition of 'Business Day' for the Fund



The definition of 'Business Day' for the Fund will be amended as follows:


         Current definition of Business Day                      New definition of Business Day


'a day on which the relevant markets are open for     'a day on which the relevant markets are open for
business in England and New York State or such other  business in New York State or such other day or days
day or days as the Directors may from time to time    as the Directors may from time to time determine and
determine and notify in advance to Shareholders.'     notify in advance to Shareholders.'



Extension of dealing cut-off time for the Fund



With effect from 20 August 2007, the cut-off time for receipt of subscriptions
and redemptions will extend from 1.00pm Irish time (equivalent to 8.00am Eastern
Standard Time) to 9.30pm Irish time (equivalent to 4.30pm Eastern Standard
Time). This will allow investors more time to place their orders.



Please note that if you are a Barclays Business Banking customer, placing your
trades via Barclays Treasury, or online via eFX dealer, the cut-off time for
placing trades will extend from 1.00pm Irish time to 3.00pm Irish time.



Redemption settlement times - same day settlement



Investors intending to take advantage of the later cut-off time are recommended
to check the requirements of their existing bank relationships in order to
confirm thier ability to receive same day settlement.



There will be no change to the way deals are placed and no impact upon the
Fund's investment objective, management fee or the value of investments.



Enquiries:



Goodbody Stockrbokers                                     Therese Redmond
  +353 1 6419132









This announcement has been issued through the Companies Announcement Service of



                            The Irish Stock Exchange




                      This information is provided by RNS
            The company news service from the London Stock Exchange