WFVXTC (1/98)

                   Supplement to Prospectus Dated May 1, 1997
                        Supplement dated January 2, 1998

                              A. Portfolio Expenses

As of the date of this  Supplement,  the  following  information  related to the
portfolios of the Life & Annuity Trust in the table entitled  "Underlying Mutual
Fund Portfolio Annual Expenses (as a percentage of average net assets)" replaces
the information provided in your Prospectus.

               Underlying Mutual Fund Portfolio Annual Expenses
                    (as a percentage of average net assets)


Unless  otherwise  indicated,  the expenses shown below are the current expenses
effective as of December 31, 1997.  "N/A" indicates that no entity has agreed to
reimburse  the  particular  expense  indicated.  The expenses of the  portfolios
either are currently being partially  reimbursed or may be partially  reimbursed
in the future.  Management  Fees,  Other Expenses and Total Annual  Expenses are
provided on both a reimbursed and not reimbursed  basis, if applicable.  See the
prospectuses  or statements of additional  information of the underlying  mutual
funds for details.



                                                                                                 Total          Total
                                                                                                Annual         Annual
                                  Management    Management          Other         Other        Expenses       Expenses
                                      Fee           Fee           Expenses      Expenses       after any     without any
                                   after any    without any       after any    without any    applicable     applicable
Portfolio:                         voluntary     voluntary     any applicable  applicable      waiver or      waiver or
                                    waiver        waiver        reimbursement reimbursement  reimbursement  reimbursement
- ------------------------------------------------------------------------------------------------------------------------------------
Life & Annuity Trust
                                                                                               
  Asset Allocation                    N/A         0.60%            0.25%          0.26%           0.85%        0.86%
  U.S. Government Allocation          N/A         0.60%            0.28%          0.37%           0.88%        0.97%
  Money Market                        N/A         0.45%            0.30%          0.60%           0.75%        1.05%
  Growth & Income                     N/A         0.60%              N/A          0.40%           1.00%        1.00%


The above  Management  Fees and Other Expenses have been restated to reflect the
current Management Fee waivers and reimbursement of Other Expenses.

The following information replaces the information related to the Life & Annuity
Trust portfolios in the table entitled  "Expense  Examples": 


           Examples (amounts shown are rounded to the nearest dollar)






If you  surrender  your Annuity at the end of the  applicable  time period,  you
would pay the  following  expenses  on a $1,000  investment,  assuming 5% annual
return on assets:

                                                After:
Sub-accounts                          1 yr.  3 yrs.5 yrs.  10 yrs.
WF Asset Allocation                    109     160   203    274
WF U.S. Government Allocation          110     161   205    277
WF Growth and Income                   111     165   212    290
WF Money Market                        108     157   198    263



If you do not surrender your Annuity at the end of the applicable time period or
begin taking annuity payments at such time, you would pay the following expenses
on a $1,000 investment, assuming 5% annual return on assets:

                                                After:
Sub-accounts                          1 yr.  3 yrs.5 yrs.  10 yrs.
- ------------
WF Asset Allocation                     24      75   128    274
WF U.S. Government Allocation           25      76   130    277
WF Growth and Income                    26      80   137    290
WF Money Market                         23      72   123    263