May 19, 1999 The Wright Asset Allocation Trust hereby adopts and agrees to become a party to the attached Master Custodian Agreement between the Wright Managed Investment Funds and Investors Bank & Trust Company. THE WRIGHT ASSET ALLOCATION TRUST

                                                       
                                                             EXHIBIT (g)(3)

                                                         May 19, 1999


The Xxxxxx Asset  Allocation Trust hereby adopts and agrees to become a party to
the attached Master Custodian  Agreement  between the Xxxxxx Managed  Investment
Funds and Investors Bank & Trust Company.



                                            THE XXXXXX ASSET ALLOCATION TRUST



                                             By:  /s/ Xxxxx X. Xxxxxxx 
                                                 ----------------------- 
                                                      Xxxxx X. Xxxxxxx
                                                      President



Accepted and agreed to:



INVESTORS BANK & TRUST COMPANY



By:  /s/ Xxxxxxx X. Xxxxxx 
     ------------------------              
         Xxxxxxx X. Xxxxxx
         Executive Managing Director