Exhibit 99
                                                                    ----------
                       DOL Filing Confirmation 



I certify that the Plan Administrator of the MCI Communications Corporation ESOP
and  401(k)  for  Exempt  Employees  has  received  a  Statement  of Assets  and
Liabilities  and also that the statement has been filed directly with the United
States  Department  of Labor by Mellon Bank,  N.A.  (EIN #  25-0659206)  for the
following investment arrangements:


                                                                   EIN #
                                                               --------------
Mellon Bank Temporary Investment Fund                          25-6078903-980



                                               MCI COMMUNICATIONS CORPORATION
                                               401(K)  PLAN FOR  EXEMPT  
                                               EMPLOYEES  - PART II OF THE MCI
                                               COMMUNICATIONS  CORPORATION  
                                               ESOP AND 401(K) FOR EXEMPT
                                               EMPLOYEES


Date:  June 27, 1997                         By:David M. Case
                                                ------------------------------
                                                David M. Case
                                                Vice President and Controller
                                                MCI Communications Corporation












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