WRIGHT MANAGED BLUE CHIP SERIES TRUST
485BPOS, 1998-04-29
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    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 29,1998   

                                                   1933 Act File No. 33-61314
                                                   1940 Act File No. 811-7654


                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                    FORM N-1A

                             REGISTRATION STATEMENT
                                      UNDER
                           SECURITIES ACT OF 1933         [x]
                       POST-EFFECTIVE AMENDMENT NO. 5     [x]
                                     and/or
                             REGISTRATION STATEMENT
                                      UNDER
                       THE INVESTMENT COMPANY ACT OF 1940
                               AMENDMENT NO. 6            [x]

                    The Wright Managed Blue Chip Series Trust
              ------------------------------------------------------
               (Exact Name of Registrant as Specified in Charter)

                 24 Federal Street, Boston, Massachusetts 02110
                -------------------------------------------------
                    (Address of Principal Executive Offices)

                                  617-482-8260
                                ----------------
                         (Registrant's Telephone Number)

                                 Alan R. Dynner
                 24 Federal Street, Boston, Massachusetts 02110
                 -----------------------------------------------
                     (Name and Address of Agent for Service)


It is proposed that this filing will become effective (check appropriate box):

[ ] Immediately  upon filing  pursuant to paragraph (b) 
[ ]On (date) pursuant to paragraph  (a)(1)
[x] On May 1, 1998  pursuant to paragraph (b)
[ ]75 days after filing  pursuant  to  paragraph  (a)(2)
[ ] 60 days  after  filing  pursuant  to paragraph (a)(1)
[ ]On (date) pursuant to paragraph (a)(2)

If appropriate, check the following box:

[ ]  This  post-effective  amendment  designates  a  new  effective  date  for a
previously filed post-effective amendment.

Title of Securities Being Registered:  Shares of Beneficial Interest
<PAGE>

This  Amendment  to the  registration  statement  on Form N-1A  consists  of the
following documents and papers:


 Cross Reference Sheet required by Rule 481(a) under Securities Act of 1933.

                  Part A   -   The Prospectus of
                                        Wright Selected Blue Chip Portfolio
                                        Wright International Blue Chip Portfolio

                  Part B   -   The Statement of Additional Information of
                                        Wright Selected Blue Chip Portfolio
                                        Wright International Blue Chip Portfolio

                  Part C   -   Other Information

                  Signatures

                  Exhibit Index required by Rule 483(a) under the Securities Act
                   of 1933

                  Exhibits
<PAGE>

                    The Wright Managed Blue Chip Series Trust

              Cross Reference Sheet Showing Location in Prospectus
                     and Statement of Additional Information
            of Information Required by Items of the Registration Form

<TABLE>
<CAPTION>

FORM N-1A                                                         LOCATION IN PROSPECTUS OR
ITEM NUMBER AND CAPTION                                           STATEMENT OF ADDITIONAL INFORMATION
- ----------------------------------------------------------------------------------------------------------------------------


<S>                                                               <C>                      
   1.  Cover Page...............................................  Prospectus - Cover Page

   2.  Synopsis.................................................  Prospectus - Shareholder and Portfolio Expenses

   3.  Condensed Financial Information..........................  Financial Highlights

   4.  General Description of Registrant........................  Prospectus - Investment Objectgives and Policies; Management of 
                                                                  the Trust; Organization and Capitalization of the Trust

   5.  Management of the Trust..................................  Prospectus - Management of the Trust

  5a.  Management's Discussion of Fund Performance..............  Not Applicable

   6.  Capital Stock and Other Securties........................  Prospectus - Investment Objectives and Policies; Net Asset Value

   7.  Purchase of Securities Being Offered.....................  Prospectus - Net Asset Value; Dividends, Distributions and Taxes;
                                                                  Purchase and Redemption of Shares

   8.  Redemption or Repurchase.................................  Prospectus - Purchase and Redemption of Shares

   9.  Pending Legal Proceedings................................  Not Applicable

  10.  Cover Page...............................................  Statement of Additional Information - Cover Page

  11.  Table of Contents........................................  Statement of Additional Information - Cover Page

  12.  General Information and History..........................  Statement of Additional Information - Cover Page; General
                                                                  Information

  13.  Investment Objectives and Policies.......................  Statement of Additional Information - Additional Description of
                                                                  Investments; Investment Restrictions

  14.  Management of the Trust..................................  Statement of Additional Information - Management of the Trust

  15.  Control Persons and Principal Holders of Securities......  Statement of Additional Information - Management of the Trust

  16.  Investment Advisory and Other Services...................  Statement of Additional Information - Management of the Trust

  17.  Brokerage Allocation and Other Practices.................  Statement of Additional Information - Portfolio Transactions

  18.  Capital Stock and Other Securities.......................  Statement of Additional Information - General Information; Net
                                                                  Asset Value

  19.  Purchase Redemption and Pricing of Securities Being
        Offered................................................. Statement of Additional Information - Net Asset Value
                                     

  20.  Tax Status...............................................  Statement of Additional Information - Taxes

  21.  Underwriters.............................................  Not Applicable

  22.  Calculation of Performance Data..........................  Statement of Additional Information - Performance Information

  23.  Financial Statements.....................................  Financial Statements
</TABLE>
<PAGE>

                   PART A - Information Required in a Prospectus

Prospectus
- -------------------------------------------------------------------------------

                    THE WRIGHT MANAGED BLUE CHIP SERIES TRUST
                       24 Federal Street, Boston, MA 02110

   
     The Wright  Managed Blue Chip Series Trust (the "Trust") is a  diversified,
open-end  management  investment  company  that is  designed  to be the  funding
vehicle for various insurance contracts to be offered by participating insurance
companies.  Shares of the Trust  will be  offered  exclusively  to the  separate
accounts of such insurance companies.  The two managed investment  portfolios of
the Trust (the  "Portfolios")  and their  investment  objectives  are  described
below.  Investments  in the Portfolios are not guaranteed or insured by the U.S.
Government, the Federal Deposit Insurance Corporation, the Federal Reserve Board
or any other government agency.  Shares of the Portfolios are not obligations or
deposits of, or guaranteed or endorsed by, any bank or other insured  depository
institution.  Shares  of the  Portfolios  involve  investment  risks,  including
fluctuations  in value  and the  possible  loss of some or all of the  principal
investment.
    
       

     Wright  Selected  Blue  Chip  Portfolio  (WSBCP)  seeks  long-term  capital
appreciation  and,  as a  secondary  objective,  reasonable  current  income  by
investing primarily in equity securities of well-established U.S.
companies that meet the investment adviser's quality standards.

     Wright  International  Blue Chip Portfolio  (WIBCP) seeks long-term capital
appreciation by investing  primarily in equity  securities of  well-established,
non-U.S. companies that meet the investment adviser's quality standards.

     THESE  SECURITIES  HAVE NOT BEEN APPROVED OR  DISAPPROVED BY THE SECURITIES
AND  EXCHANGE  COMMISSION  OR  ANY  STATE  SECURITIES  COMMISSION  NOR  HAS  THE
COMMISSION  OR ANY STATE  SECURITIES  COMMISSION  PASSED  UPON THE  ACCURACY  OR
ADEQUACY OF THIS PROSPECTUS.  ANY  REPRESENTATION  TO THE CONTRARY IS A CRIMINAL
OFFENSE.

   
     This  Prospectus  sets  forth  the  information  about  the  Trust  and the
Portfolios that a prospective investor should know before investing. Please read
the  Prospectus  and  retain it for  future  reference.  Additional  information
contained in a Statement of  Additional  Information  dated May 1, 1998 has been
filed with the Securities and Exchange  Commission and is available upon request
without charge from Wright Investors' Service Distributors, Inc., 1000 Lafayette
Boulevard,   Bridgeport,   Connecticut  06604  (Telephone:   800-888-9471).  The
Statement of  Additional  Information  is  incorporated  by reference  into this
Prospectus.

                      The date of this Prospectus is May 1, 1998.
    

<PAGE>

                    The Wright Managed Blue Chip Series Trust
                                24 Federal Street
                                Boston, MA 02110


===============================================================================

   Investment Adviser

        Wright Investors' Service, Inc.
        1000 Lafayette Boulevard
        Bridgeport, Connecticut 06604

   Administrator

        Eaton Vance Management
        24 Federal Street
        Boston, Massachusetts 02110

   Custodian and Transfer Agent

   
        Investors Bank & Trust Company
        200 Clarendon Street
        Boston, Massachusetts 02116
    

   Auditors

        Deloitte & Touche LLP
        125 Summer Street
        Boston, Massachusetts 02110

                          TABLE OF CONTENTS
- -------------------------------------------------------------------------------


                                               PAGE                   

   
   FINANCIAL HIGHLIGHTS........................   3
   THE TRUST...................................   5
   INVESTMENT OBJECTIVES AND POLICIES..........   6
     Wright Selected Blue Chip Portfolio
      (WSBCP)..................................   6
     Wright International Blue Chip Portfolio
      (WIBCP)..................................   7
   OTHER INVESTMENT POLICIES...................   8
   MANAGEMENT OF THE TRUST.....................  10
     The Investment Adviser....................  10
     The Administrator.........................  12
   NET ASSET VALUE.............................  13
   DIVIDENDS, DISTRIBUTIONS
     AND TAXES.................................  13
   PURCHASE AND REDEMPTION
     OF SHARES.................................  14
   PERFORMANCE INFORMATION.....................  15
   ORGANIZATION AND
     CAPITALIZATION OF THE TRUST...............  15
   ADDITIONAL INFORMATION......................  16
     Custodian and Transfer Agent..............  16
     Independent Auditors......................  16
    


- -------------------------------------------------------------------------------

   No  person  has  been  authorized  to give  any  information  or to make  any
   representation  not contained in this  Prospectus and, if given or made, such
   information  or  representation  must  not be  relied  upon  as  having  been
   authorized. This Prospectus does not constitute an offering of any securities
   other than the  registered  securities to which it relates or an offer to any
   person in any state or jurisdiction of the United States or any country where
   such offer would be unlawful.
<PAGE>
       

Financial Highlights

The  following  information  should  be read in  conjunction  with  the  audited
financial   statements  that  appear  in  the   Portfolios'   annual  report  to
shareholders. The Portfolios' financial statements have been audited by Deloitte
& Touche LLP, independent certified public accountants, as experts in accounting
and auditing.  The financial statements and the independent auditors' report are
incorporated by reference into the Statement of Additional Information.  Further
information  regarding the performance of a Portfolio is contained in its annual
report to shareholders which may be obtained without charge by contacting Wright
Investors' Service Distributors, Inc. at (800) 888-9471.
<TABLE>
<CAPTION>
       
   
WRIGHT SELECTED                                                          Year Ended December 31,
BLUE CHIP PORTFOLIO                                            -----------------------------------------------------
                                                                1997       1996       1995      1994(6)
- -------------------------------------------------------------------------------------------------------------------

<S>                                                           <C>        <C>        <C>        <C>     
Net asset value, beginning of year.................           $ 14.000   $ 11.410   $  9.320   $ 10.000
                                                              ---------  ---------  ---------  --------

Income from Investment Operations:
  Net investment income(1).........................           $  0.110   $  0.170   $  0.100   $  0.092
  Net realized and unrealized gain (loss) on investments         3.780      2.430      2.345     (0.712)
                                                              ---------  ---------  ---------  --------

   Total income (loss) from investment  operations.           $  3.890   $  2.600   $  2.445   $ (0.620)
                                                              ---------  ---------  ---------  --------

Less Distributions to Shareholders:
  From net investment income.......................           $  -       $ (0.010)  $ (0.070)  $ (0.060)
  From net realized gain on investment transactions             (2.240)     -         (0.285)     -
                                                              ---------  ---------  ---------  --------

   Total distributions.............................           $ (2.240)  $ (0.010)  $ (0.355)  $ (0.060)
                                                              ---------  ---------  ---------  --------
Net asset value, end of year.......................           $ 15.650   $ 14.000   $ 11.410   $  9.320
                                                              =========  =========  =========  ========
Total Return(3)....................................              32.1%      22.8%      26.3%     (6.2%)
Ratios/Supplemental Data:
  Net assets, end of year (000 omitted)............           $  3,425   $  2,668   $  2,239   $  1,452
  Ratio of net expenses to average daily net assets(1)            1.30%(4)  1.27%(4)   1.60%(4)   1.15%(2)
  Ratio of net investment income to average daily net assets(1)   0.70%     1.14%      0.96%      1.16%(2)
  Portfolio Turnover Rate..........................                40%        68%        64%        74%
  Average commission rate paid(5) .................           $ 0.0610   $ 0.0784         -          -
<FN>

(1)During  each  of the  periods  presented,  the  Investment  Adviser  and  the
   Administrator  reduced their fees. Had such actions not been undertaken,  the
   net  investment  income  (loss) per share and the  ratios  would have been as
   follows:

  Net investment income (loss) per share...........           $  0.030   $  0.066   $ (0.017)  $ (0.078)
                                                              =========  =========  =========  ========
  Ratios (As a percentage of average daily net assets):
   Expenses........................................              1.81%      1.97%      2.72%      3.30%(2)
                                                              =========  =========  =========  ========
   Net investment income (loss)....................              0.19%      0.44%     (0.16%)    (0.99%)(2)
                                                              =========  =========  =========  ========
(2) Annualized.
(3)Total  investment  return is calculated  assuming a purchase at the net asset
   value on the first  day and a sale at the net asset  value on the last day of
   each period reported. Dividends and distributions,  if any, are assumed to be
   invested  at the net asset value on the payable  date.  The total  investment
   return  does not  reflect  expenses  that  apply to the  separate  account or
   related policies. If these charges had been included,  the total return would
   be reduced.
(4)During the years ended December 31, 1997, 1996 and 1995,  custodian fees were
   reduced by credits resulting from cash balances the Portfolio maintained with
   the custodian (Note 1D). The computation of net expenses to average daily net
   assets reported above is computed without  consideration of such credits,  in
   accordance with reporting  regulations in effect  beginning in 1995. If these
   credits  were  considered,  the ratio of expenses to average net assets would
   have been reduced to 1.15%, 1.06% and 1.15%, respectively.
(5)Average  commission rate paid is computed by dividing the total dollar amount
   of  commissions  paid  during the fiscal  year by the total  number of shares
   purchased and sold during the fiscal year for which commissions were charged.
   For fiscal years  beginning on or after  September 1, 1995,  the Portfolio is
   required  to  disclose  its average  commission  rate per share for  security
   trades on which commissions are charged.
(6) For the period from  January 6, 1994  (start of  business)  to December  31,
1994.
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>

WRIGHT INTERNATIONAL                                                     Year Ended December 31,
BLUE CHIP PORTFOLIO                                          ------------------------------------------------
                                                                 1997       1996       1995      1994(6)
- -------------------------------------------------------------------------------------------------------------

<S>                                                           <C>        <C>        <C>        <C>     
Net asset value, beginning of year.................           $ 11.810   $ 10.60    $  9.140   $ 10.000
                                                              ---------  ---------  ---------  --------

Income from Investment Operations:
  Net investment income (loss)(1)..................           $  0.032   $ (0.043)  $  0.003   $  0.031
  Net realized and unrealized gain (loss) on investments         0.588      1.793      0.967     (0.886)
                                                              ---------  ---------  ---------  --------

   Total income (loss) from investment  operations.           $  0.620   $  1.750   $  0.970   $ (0.855)
                                                              ---------  ---------  ---------  --------

Less Distributions to Shareholders:
  From net investment income.......................           $  -       $  -       $ (0.005)  $  (0.005)
  In excess of net investment income...............              -          -         (0.013)     -
  From net realized gains on investment transactions          (0.630)       -          -          -
  Tax distribution from paid-in capital............              -          -         (0.032)     -
                                                              ---------  ---------  ---------  --------

   Total distributions declared to shareholders....           $ (0.630)  $  -       $ (0.050)  $ (0.005)
                                                              ---------  ---------  ---------  --------

Net asset value, end of year.......................           $ 11.800   $ 11.810   $ 10.060   $  9.140
                                                              =========  =========  =========  =========
Total Return(3)....................................              5.7%      17.4%      10.6%      (8.1%)

Ratios/Supplemental Data:
  Net assets, end of year (000 omitted)............           $  1,411   $  1,457   $  1,365   $  1,229
  Ratio of net expenses to average daily  net assets(1)          2.00%(4    2.31%(4)   2.28%(4)   1.80%(2)
  Ratio of net investment income (loss) to average daily
    net assets(1)..................................              0.25%     (0.42%)     0.06%      0.19%(2)
  Portfolio Turnover Rate..........................                94%        44%        31%         0%
  Average commission rate paid(5) .................           $ 0.0361   $ 0.0773         -          -
<FN>


(1) During  each  of  the  periods   presented,   the  Investment   Adviser  and
    Administrator reduced their fees, and the Investment Adviser was allocated a
    portion of the  Portfolio's  operating  expenses.  Had such actions not been
    undertaken, the net investment loss per share and the ratios would have been
    as follows:

  Net investment loss  per share...................           $ (0.262)  $ (0.253)  $ (0.920)  $ (0.434)
                                                              =========  =========  =========  =========
  Ratios (As a percentage of average daily daily net assets):
   Expenses........................................              4.30%      4.37%      4.18%      4.65%(2)
                                                              =========  =========  =========  =========
   Net investment loss.............................             (2.05%)    (2.47%)    (1.85%)    (2.66%)(2)
                                                              =========  =========  =========  =========
(2) Annualized.
(3) Total investment  return is calculated  assuming a purchase at the net asset
    value on the first day and a sale at the net asset  value on the last day of
    each period reported. Dividends and distributions, if any, are assumed to be
    invested at the net asset value on the payable  date.  The total  investment
    return  does not  reflect  expenses  that apply to the  separate  account or
    related policies. If these charges had been included, the total return would
    be reduced.
(4) During the years ended December 31, 1997, 1996 and 1995, custodian fees were
    reduced by credits  resulting  from cash balances the  Portfolio  maintained
    with the  custodian  (Note 1D). The  computation  of net expenses to average
    daily net assets reported above is computed  without  consideration  of such
    credits,  in accordance  with reporting  regulations in effect  beginning in
    1995. If these credits were considered, the ratio of expenses to average net
    assets would have been reduced to 1.85%, 1.85% and 1.96%, respectively.
(5) Average commission rate paid is computed by dividing the total dollar amount
    of  commissions  paid during the fiscal  year by the total  number of shares
    purchased  and sold  during  the  fiscal  year for  which  commissions  were
    charged.  For fiscal  years  beginning on or after  September  1, 1995,  the
    Portfolio is required to disclose its average  commission rate per share for
    security trades on which commissions are charged.
(6) For the period from  January 6, 1994  (start of  business)  to December  31,
1994.

</FN>
</TABLE>
    
<PAGE>

                                    THE TRUST


   
     The Wright  Managed  Blue Chip  Series  Trust (the  "Trust") is an open-end
management  investment company.  The Trust consists of two separate  diversified
portfolios  (each a  "Portfolio"),  each of which  represents a separate pool of
assets and has different investment objectives and policies. Each Portfolio is a
diversified Portfolio. Additional portfolios may be established in the future.

     The Trust is  designed to be the funding  vehicle  for  variable  insurance
contracts (the "Contracts") to be offered by participating  insurance companies.
Shares of each  Portfolio will be offered  exclusively to the separate  accounts
(the "Accounts") of participating insurance companies.  The terms and conditions
of the Contracts and any  limitations  upon the Portfolios in which the Accounts
may invest are set forth in a separate prospectus.  The Trust reserves the right
to limit in the future the types of Accounts that may invest in any Portfolio.

     Participating  insurance companies are the record holders and the owners of
each share of  beneficial  interest in each  Portfolio of the Trust.  Within the
limitations set forth in the appropriate  Contract,  Contractholders  may direct
through a participating  insurance  company the allocation of amounts  available
for investment under their Contracts among the Trust's Portfolios.  Instructions
for any such  allocation,  or the  purchase or  redemption  of the shares of any
Portfolio,  must be made by a  participating  insurance  company  as the  record
holder of the Trust's shares. The rights of a participating insurance company as
the record holder and the owner of shares of a Portfolio are different  from the
rights of a Contractholder.  The term "shareholder" in this Prospectus refers to
a participating insurance company and not to the Contractholder.
    

     Wright Investors'  Service,  Inc.  ("Wright") acts as investment adviser to
each Portfolio.  Eaton Vance Management ("Eaton Vance") acts as administrator to
the Trust.

   
     Neither of the Portfolios alone constitutes a complete investment program.
    



                            =======================




   
     The  Prospectuses of the Portfolios are combined in this  Prospectus.  Each
Portfolio offers only its own shares,  yet it is possible that a Portfolio might
become liable for a misstatement in the Prospectus of the other  Portfolio.  The
Trustees have considered this in approving the use of a combined Prospectus.
    


                       INVESTMENT OBJECTIVES AND POLICIES


   
     The  investment  objectives  and policies of each  Portfolio  are described
below. Such investment  objectives and the policies are not fundamental policies
and may be changed by the Trustees without the approval of shareholders.  If any
changes were made, a Portfolio might have investment  objectives  different from
the  objectives  which a  Contractholder  considered  appropriate at the time of
selecting the Portfolio as the underlying investment for the Contract. There can
be no  assurance  that  either of the  Portfolios  will be able to  achieve  its
investment objectives.
    


Wright Selected Blue Chip Portfolio

     The investment  objective of Wright Selected Blue Chip Portfolio  ("WSBCP")
is long-term  capital  appreciation  and, as a secondary  objective,  reasonable
current income.  Under normal market  conditions,  WSBCP invests at least 80% of
its net assets in selected equity securities, including common stocks, preferred
stocks and convertible securities.  Securities selected for WSBCP are drawn from
an investment list prepared by the investment  adviser and known as The Approved
Wright Investment List (the "AWIL").

   
     Approved  Wright  Investment  List.  The  investment  adviser  maintains  a
proprietary  database on  approximately  5,200 U.S.  companies.  The  investment
adviser reviews such companies to identify those which, on the basis of at least
five  years of audited  financial  statements,  meet the  minimum  standards  of
prudence  (e.g.  the value of each  company's  assets and  shareholders'  equity
exceeds  certain  minimum  standards  and the  company's  operations  have  been
profitable  during the last three years) and thus are suitable for consideration
by fiduciary investors.  Companies which meet these requirements may be large or
small,  have their  securities  traded on exchanges  or in the  over-the-counter
market, and include companies not currently paying dividends on their shares.
    

     These companies are then subjected to extensive  analysis and evaluation in
order to  identify  those which meet the  investment  adviser's  32  fundamental
standards of investment  quality.  Only those companies which meet or exceed all
of these standards are eligible for selection by the Wright Investment Committee
for  inclusion  in the AWIL.  See the Appendix to the  Statement  of  Additional
Information  for  a  more  detailed  description  of  the  investment  adviser's
standards for investment quality and the AWIL. All companies on the AWIL are, in
the opinion of the investment  adviser,  soundly financed "True Blue Chips" with
established  records of earnings,  profitability  and equity  growth and active,
liquid  markets for their  publicly  held equity  securities.  The AWIL normally
includes approximately 350 companies.

     The equity securities in which WSBCP invests are limited to those companies
on the AWIL whose current  operations  reflect  characteristics  which have been
identified by the  investment  adviser as being likely to provide  comparatively
superior total  investment  return over the  intermediate  term. WSBCP purchases
securities  which meet WSBCP's  investment  criteria and increases the amount of
current  investments  in  companies  the market  values of which are below their
target values.  Portfolio  securities  are generally  considered for sale if the
value of such  securities  exceeds  21/2 times  their  normal  weighting  in the
portfolio, or if such securities are no longer included in the AWIL or no longer
meet WSBCP's investment criteria.
<PAGE>


Wright International Blue Chip Portfolio

     The  investment  objective  of Wright  International  Blue  Chip  Portfolio
("WIBCP") is long-term  capital  appreciation.  Under normal market  conditions,
WIBCP  invests  at least 80% of its net assets in equity  securities,  including
common stocks, preferred stocks and convertible securities.  Securities selected
for WIBCP are limited to those  included on an  investment  list prepared by the
investment  adviser and known as the  International  Approved Wright  Investment
List (the "International AWIL").

   
     The International  Approved Wright Investment List. The investment  adviser
maintains a proprietary database on approximately 12,500 non-U.S. companies from
over 46 countries.  The  investment  adviser  reviews such companies to identify
those  which,  on  the  basis  of at  least  five  years  of  audited  financial
statements,  meet  the  minimum  standards  of  prudence  (e.g.  the  value of a
company's assets and shareholders'  equity exceeds certain minimum standards and
the company's  operations have been profitable  during the last three years) and
thus are suitable for consideration by fiduciary investors. Companies which meet
these  requirements  may be large or  small,  have  their  securities  traded on
exchanges or in the over-the-counter market, and include companies not currently
paying dividends.
    

     These companies are then subjected to extensive  analysis and evaluation in
order to  identify  those which meet the  investment  adviser's  32  fundamental
standards of investment  quality.  Only those companies which meet or exceed all
of these standards are eligible for selection for inclusion in the International
AWIL.  See the Appendix to the  Statement of Additional  Information  for a more
detailed  description  of the  investment  adviser's  standards  for  investment
quality and the International AWIL. All companies on the International AWIL are,
in the opinion of the  investment  adviser,  soundly  financed "True Blue Chips"
with  established  records of  earnings,  profitability  and  equity  growth and
active, liquid markets for their publicly held equity securities.

     WIBCP  intends  to  maintain  investments  in a  minimum  of three  foreign
countries. WIBCP purchases securities which meet WIBCP's investment criteria and
increases  the amount of current  investments  in companies the market values of
which  are  below  their  target  values.  Portfolio  securities  are  generally
considered for sale if they are no longer included in the International  AWIL or
no longer meet WIBCP's investment criteria. WIBCP may purchase equity securities
traded on foreign securities  exchanges,  or it may purchase American Depositary
Receipts  (ADRs) traded in the United  States.  Shares of WIBCP are suitable for
investors  wishing to  diversify  their  portfolios  by  investing  in  non-U.S.
companies  or  for  investors  who  simply  wish  to   participate  in  non-U.S.
investments.  Although  the net asset value of WIBCP's  shares will be stated in
U.S.  dollars,  fluctuations in foreign  currency  exchange rates may affect the
value of an investment in WIBCP.

     WIBCP is intended to provide  investors with the opportunity to invest in a
portfolio of securities of non-U.S.  companies located  throughout the world. In
making the  allocation  of assets  among the various  countries  and  geographic
regions,  the investment adviser ordinarily  considers such factors as prospects
for relative  economic  growth between  foreign  countries;  expected  levels of
inflation  and  interest  rates;   government  policies   influencing   business
conditions;  the  range of  individual  investment  opportunities  available  to
international investors;  and other pertinent financial,  tax, social, political
and  national  factors  --  all in  relation  to the  prevailing  prices  of the
securities in each country or region.
<PAGE>

     Foreign  Investment  Risk.  All or a substantial  portion of WIBCP's assets
will be invested in securities of foreign companies.  Investing in securities of
foreign  companies  may  involve  certain  considerations  in  addition to those
arising when investing in domestic securities.  These considerations include the
possibility  of  currency   exchange  rate   fluctuations   and  revaluation  of
currencies,  the existence of less publicly available information about issuers,
different accounting, auditing and financial reporting standards, less stringent
securities  regulation,  non-negotiable  brokerage  commissions,  different  tax
provisions,  political or social  instability,  war or expropriation.  Moreover,
foreign  stock and bond markets  generally are not as developed and efficient as
those in the United  States and,  therefore,  the volume and  liquidity in those
markets may be less, and the  volatility of prices may be greater,  than in U.S.
markets.  Settlement of  transactions  on foreign  markets may be delayed beyond
what is customary in U.S. markets. These considerations generally are of greater
concern in developing countries.

     Because  investment in foreign issuers will usually  involve  currencies of
foreign  countries,  and because  WIBCP may be exposed to currency  fluctuations
independent of its securities exposure,  the value of the assets of the WIBCP as
measured  in U.S.  dollars  will be  affected  by changes  in  foreign  currency
exchange rates.



                            OTHER INVESTMENT POLICIES


     The Trust has  adopted  on behalf  of each  Portfolio  certain  fundamental
investment  restrictions  which are  enumerated  in detail in the  Statement  of
Additional  Information  and which may be changed only by the vote of a majority
of the affected  Portfolio's  outstanding voting  securities,  as defined in the
Investment Company Act of 1940. Among other restrictions, each Portfolio may not
borrow money in excess of 1/3 of the current  market  value of such  Portfolio's
net assets  (excluding the amount  borrowed),  and only for certain temporary or
emergency  purposes,  invest more than 5% of such Portfolio's total assets taken
at current market value in the securities of any one issuer,  purchase more than
10% of the  voting  securities  of any one  issuer or invest  25% or more of the
Portfolio's  total  assets in the  securities  of issuers in the same  industry.
There is, however, no limitation in respect to investments in obligations issued
or guaranteed by the U.S.  Government or its agencies or  instrumentalities.  No
Portfolio may invest more than 15% of its net assets in illiquid investments.

     Repurchase Agreements.  Each Portfolio may enter into repurchase agreements
in order to earn income on temporarily  uninvested cash. A repurchase  agreement
is an agreement  under which the seller of a security  agrees to repurchase  and
the relevant  Portfolio agrees to resell,  such security at a specified time and
price.  A  Portfolio  may enter  into  repurchase  agreements  only with  large,
well-capitalized  banks or  government  securities  dealers that meet  specified
credit standards.  In addition, such repurchase agreements will provide that the
value of the collateral  underlying  the repurchase  agreement will always be at
least equal to the repurchase price, including any accrued interest earned under
the  repurchase  agreement.  In the event of a default or bankruptcy by a seller
under  a  repurchase  agreement,  the  Portfolio  will  seek to  liquidate  such
collateral.  However,  the  exercise of the right to liquidate  such  collateral
could involve  certain  costs,  delays and  restrictions  and is not  ultimately
assured.  To the  extent  that  proceeds  from any sale  upon a  default  of the
obligation to repurchase are less than the repurchase price, the Portfolio could
suffer a loss.
<PAGE>

     Forward Foreign Currency Exchange Contracts. WIBCP may enter into contracts
to purchase  foreign  currencies to protect  against an anticipated  rise in the
U.S.  dollar price of  securities  it intends to purchase.  WIBCP may enter into
contracts to sell foreign  currencies to protect against the decline in value of
portfolio securities  denominated or quoted in a foreign currency,  or a decline
in the value of anticipated dividends from such securities,  due to a decline in
the value of foreign  currencies  against  the U.S.  dollar.  Contracts  to sell
foreign currency could limit any potential gain which might be realized by WIBCP
if the value of the hedged currency increased.  Forward contracts are subject to
the risk that the counterparty to such contract will default on its obligations.

     Each Portfolio's transactions in foreign currency exchange contracts may be
limited by the requirements of the Internal Revenue Code for  qualification as a
regulated investment company.

     Lending Portfolio Securities. Each Portfolio may seek to increase its total
return by lending portfolio  securities to broker-dealers or other institutional
borrowers.  Such loans are continuously  secured by collateral in cash or liquid
securities held by the  Portfolio's  custodian and maintained on a current basis
at an amount at least equal to the market value of the securities loaned,  which
will be marked to market daily.  During the  existence of a loan,  the Portfolio
will continue to receive the equivalent of the interest or dividends paid by the
issuer on the securities loaned and will also receive a fee, or all or a portion
of the interest on investment of the collateral,  if any. However, the Portfolio
may at the same time pay a transaction fee to such borrowers and  administrative
expenses,  such as finders fees to third  parties.  As with other  extensions of
credit  there  are  risks of delay in  recovery  or even  loss of  rights in the
securities loaned if the borrower of the securities fails financially.  However,
the loans will be made only to organizations deemed by the investment adviser to
be of good standing and when,  in the judgment of the  investment  adviser,  the
consideration  which can be earned from securities  loans of this type justifies
the attendant risk. If the investment  adviser decides to make securities  loans
on behalf of a Portfolio, it is intended that the value of the securities loaned
would not exceed 30% of such Portfolio's total assets.

     Defensive  Investments.  During periods of unusual market conditions,  when
the investment adviser believes that investing for temporary  defensive purposes
is appropriate,  all or a portion of the assets of either  Portfolio may be held
in cash or  invested in  short-term  obligations,  including  but not limited to
short-term  obligations issued or guaranteed as to interest and principal by the
U.S. Government or any agency or instrumentality  thereof (including  repurchase
agreements  collateralized  by such  securities);  commercial paper which at the
date of investment is rated A-1 by S&P or P-1 by Moody's,  or, if not rated,  is
determined by the investment  adviser pursuant to procedures  established by the
Trustees to be of comparable quality; short-term corporate obligations and other
debt  instruments  which at the date of investment are rated AA or better by S&P
or Aa or better by Moody's  or, if unrated,  are  determined  by the  investment
adviser  pursuant to procedures  established by the Trustees to be of comparable
quality; and certificates of deposit,  bankers' acceptances and time deposits of
domestic and foreign banks the debt  obligations  of which satisfy the foregoing
rating  criteria.  Each Portfolio may invest in instruments  and  obligations of
banks that have other  relationships  with the Trust,  Wright or Eaton Vance. No
preference   will  be  shown   towards   investing  in  banks  which  have  such
relationships.

     Forward Commitments and When-Issued Securities. Each Portfolio may purchase
when-issued  securities and make contracts to purchase or sell  securities for a
fixed price at a future  date  beyond  customary  settlement  time.  A Portfolio
entering into such a transaction is required to maintain in a segregated account
with  such  Portfolio's  custodian  until  the  settlement  date  cash or liquid
securities in an amount  sufficient to meet the purchase  price.  Alternatively,
the Portfolio may enter into offsetting  contracts for the forward sale of other


<PAGE>

securities  that it  owns.  Securities  purchased  or sold on a  when-issued  or
forward  commitment basis involve a risk of loss if the value of the security to
be  purchased  declines  prior  to the  settlement  date or if the  value of the
security to be sold increases prior to the settlement date. Although a Portfolio
would generally purchase securities on a when-issued or forward commitment basis
with the intention of acquiring securities for its portfolio,  the Portfolio may
dispose of a when-issued  security or forward  commitment prior to settlement if
the investment adviser deems it appropriate to do so.
       


                             MANAGEMENT OF THE TRUST

     The  Board of  Trustees,  in  addition  to  reviewing  the  actions  of the
investment adviser and administrator, decides upon general matters of policy for
each Portfolio.  The investment adviser and administrator  conduct and supervise
the daily operations of the Portfolios.

The Investment Adviser

     The Trust has engaged The Winthrop  Corporation  ("Winthrop") to act as the
Portfolios'  investment  adviser  pursuant to an Investment  Advisory  Contract.
Pursuant to a service agreement  effective February 1, 1996 between Winthrop and
its wholly-owned subsidiary, Wright Investors' Service, Inc. ("Wright"), Wright,
acting under the general  supervision  of the Trust's  Trustees,  furnishes each
Portfolio with investment advice and management  services.  Winthrop  supervises
Wright's  performance of this function and retains its  contractual  obligations
under its Investment Advisory Contract with each Portfolio.  The address of both
Winthrop and Wright is 1000 Lafayette Boulevard,  Bridgeport,  Connecticut.  The
Trustees of the Trust are responsible  for the general  oversight of the conduct
of the Portfolios' business.

   
     Wright is a leading  independent  international  investment  management and
advisory firm, which together with its parent, Winthrop, has more than 30 years'
experience.  Its staff of over 125 people  includes a highly  respected  team of
economists,  investment  experts  and  research  analysts.  Wright,  along  with
Disclosure  International,  Inc.,  manages  assets for bank  trust  departments,
corporations,  unions, municipalities,  eleemosynary institutions,  professional
associations,  institutional investors,  fiduciary organizations,  family trusts
and  individuals.  Wright  operates one of the world's largest and most complete
databases  of  financial   information  on  17,700  domestic  and  international
corporations.  The estate of John Winthrop Wright is the controlling shareholder
of Winthrop.  At the end of 1996,  Wright  managed  approximately  $4 billion of
assets.
    

     An Investment  Committee of senior  officers,  all of whom are  experienced
analysts,  exercises  disciplined  direction  and  control  over all  investment
selections,  policies  and  procedures  for each  Portfolio  of the  Trust.  The
Committee,  following highly disciplined buy-and-sell rules, makes all decisions
for the  selection,  purchase  and sale of all  securities.  The  members of the
Committee are as follows:

   
     Peter M. Donovan, CFA, President and Chief Executive Officer of Wright. Mr.
Donovan  received a BA Economics,  Goddard College and joined Wright from Jones,
Kreeger & Co.,  Washington,  DC in 1966.  Mr.  Donovan is the  president  of The
Wright Managed Income Trust, The Wright Managed Equity Trust, The Wright Managed
Blue Chip Series  Trust,  The Wright  EquiFund  Equity  Trust,  Catholic  Values
Investment  Trust and The Wright Blue Chip Master  Portfolio Trust. He is also a
director of Aetna Master Fund,  a  Luxembourg  Sicav.  He is a member of the New
York  Society  of  Security  Analysts  and the  Hartford  Society  of  Financial
Analysts.
    

<PAGE>

   
     Judith R. Corchard,  Chairman of the Investment  Committee,  Executive Vice
President  -  Investment   Management  of  Wright.  Ms.  Corchard  attended  the
University  of  Connecticut  and joined Wright in 1960.  Ms.  Corchard is also a
member of the New York Society of Security  Analysts,  the  Hartford  Society of
Financial Analysts,  and AIMR. She is a vice president and trustee of The Wright
Managed Income Trust,  The Wright Managed Equity Trust,  The Wright Managed Blue
Chip Series Trust, The Wright EquiFund Equity Trust,  Catholic Values Investment
Trust and The Wright Blue Chip Master Portfolio Trust.
    

     Jatin J. Mehta,  CFA, Chief Investment  Officer - U.S.  Equities of Wright.
Mr. Mehta received a BS Civil  Engineering,  University of Bombay,  India and an
MBA from the University of Bridgeport.  Before joining Wright in 1969, Mr. Mehta
was an executive of the  Industrial  Credit  Investment  Corporation of India, a
World Bank agency in India for financial assistance to private industry. He is a
member of the New York Society of Security  Analysts and the Hartford Society of
Financial Analysts.

   
     Harivadan K. Kapadia,  CFA, Senior Vice President - Investment Analysis and
Information of Wright. Mr. Kapadia received a BA (hon.) Economics and Statistics
and MA Economics,  University of Baroda, India and an MBA from the University of
Bridgeport. Before joining Wright in 1969, Mr. Kapadia was Assistant Lecturer at
the College of Engineering and Technology in Surat,  India and Lecturer,  at the
B.J.  College of Commerce,  VVNagar,  India.  He has  published  the  textbooks:
"Elements of Statistics,"  "Statistics,"  "Descriptive Economics," and "Elements
of  Economics."  He was appointed  Adjunct  Professor at the Graduate  School of
Business,  Fairfield  University in 1981. He is a member of the New York Society
of Security Analysts and the Hartford Society of Financial Analysts.

     Michael F. Flament,  CFA,  Senior Vice  President - Investment and Economic
Analysis of Wright. Mr. Flament received a BS Mathematics, Fairfield University;
MA Mathematics,  University of Massachusetts  and an MBA Finance,  University of
Bridgeport and joined Wright in 1972. He is a trustee of The Wright Managed Blue
Chip Series Trust and a member of the New York Society of Security  Analysts and
the Hartford Society of Financial Analysts.

     James P. Fields,  CFA,  Senior Vice  President  and  Investment  Officer of
Wright. Mr. Fields received a B.S.  Accounting,  Fairfield University and an MBA
Finance from Pace  University.  He joined Wright in 1982 and is also a member of
the New York Society of Security Analysts.

     Amit S.  Khandwala,  Senior Vice President -  International  Investments of
Wright.  Mr.  Khandwala  received  a BS  (Economics,  Accounting,  International
Business  and  Computers)  from  University  of  Bombay,   India,   and  an  MBA
(Investments,   Corporate   Finance,   International   Finance  &  International
Marketing)  from the  University  of Hartford.  Mr.  Khandwala has taught in the
Executive  MBA Program at the  University  of Hartford  Business  School and his
research on ADRs has been published in The Journal of Portfolio  Management.  He
was involved in establishing the Stamford Society of Securities  Analysts and is
a member of the New York Society of Security  Analysts and the Hartford  Society
of Financial Analysts. He joined Wright in 1986.
    

     Charles T. Simko, Jr., Vice President - Investment  Research of Wright. Mr.
Simko received a BS in Mathematics from Fairfield  University.  He joined Wright
in 1985.

     Under the  Portfolio's  Investment  Advisory  Contract,  each  Portfolio is
required to pay Winthrop a monthly  advisory fee  calculated at the annual rates
(as a percentage of average daily net assets) set forth in the

<PAGE>

following  table.  Effective  February  1,  1996,  Winthrop  will cause the
Portfolios  to pay to Wright the entire  amount of the  advisory  fee payable by
each Portfolio under the Investment Advisory Contract with Winthrop:
<TABLE>
<CAPTION>

                                                                    ANNUAL % ADVISORY FEE RATES
- -------------------------------------------------------------------------------------------------------------------
                                                              Under         $500 Million         Over
PORTFOLIOS                                                $500 Million      to $1 Billion     $1 Billion
- -------------------------------------------------------------------------------------------------------------------
       

<S>                                                           <C>               <C>              <C>  
Wright Selected Blue Chip Portfolio (WSBCP)                   0.65%             0.60%            0.55%
Wright International Blue Chip Portfolio (WIBCP)              0.80%             0.75%            0.70%

- -------------------------------------------------------------------------------------------------------------------
</TABLE>
       

   
     During  the fiscal  year  ended  December  31,  1997,  WSBCP and WIBCP paid
advisory fees to Wright at the annual rate of 0.14% and 0.00%, respectively.
    

     Pursuant to the Investment Advisory Contract,  Wright also furnishes office
space and all necessary office facilities, equipment and personnel for servicing
the investments of each Portfolio. Each Portfolio is responsible for the payment
of all expenses  relating to its operations other than those expressly stated to
be payable by Wright under its Investment Advisory Contract.

     Wright places the security  transactions for each Portfolio,  which in some
cases may be effected in block transactions which include other accounts managed
by Wright. Wright provides similar services directly for bank trust departments.
Wright  seeks  to  execute  the  portfolio  security  transactions  on the  most
favorable  terms  and in the most  effective  manner  possible.  Subject  to the
foregoing,  Wright  may  consider  sales of  shares of a  Portfolio  or of other
investment  companies for which it acts as investment adviser as a factor in the
selection of broker-dealer firms to execute such transactions.

     Wright is also the investment  adviser to certain other funds in The Wright
Managed Equity Trust and The Wright  Managed  Income Trust;  all of the funds in
The Wright  EquiFund  Equity Trust,  Catholic  Values  Investment  Trust and the
portfolios in The Wright Blue Chip Master Portfolio Trust.


The Administrator

   
     The Trust engages Eaton Vance as its administrator  under an Administration
Agreement.  Under the Administration  Agreement,  Eaton Vance is responsible for
managing the business  affairs of each Portfolio,  subject to the supervision of
the Trustees.  Eaton Vance's  services  include  recordkeeping,  preparation and
filing of documents  required to comply with federal and state  securities laws,
supervising  the  activities  of the  custodian  and transfer  agent,  providing
assistance in connection with the Trustees' and shareholders' meetings and other
administrative  services necessary to conduct each Portfolio's  business.  Eaton
Vance will not provide any  investment  management  or advisory  services to the
Portfolios.  For its services under the  Administration  Agreement,  Eaton Vance
receives monthly administration fees from each Portfolio at the annual rates (as
a percentage of average daily net assets of such Portfolio) as follows:


                      ANNUAL % -- ADMINISTRATION FEE RATES

            Under $100 Million                  Over $100 Million
            -----------------------------------------------------

                  0.05%                              0.04%
    
<PAGE>

   
     For the fiscal year ended  December 31, 1997,  Eaton Vance made a reduction
of its full administration fee for WIBCP.

     Eaton  Vance,  its  affiliates  and its  predecessor  companies  have  been
primarily  engaged in managing assets of individuals and  institutional  clients
since 1924 and managing,  administering  and marketing  mutual funds since 1931.
Total  assets  under  management  are  over  $25  billion.   Eaton  Vance  is  a
wholly-owned  subsidiary of Eaton Vance Corp.  ("EVC"), a publicly-held  holding
company.

     Like most mutual  funds,  the  Portfolios  rely on computers in  conducting
daily business and processing information. There is a concern that on January 1,
2000 some  computer  programs  will be unable to recognize the new year and as a
consequence computer  malfunctions will occur. The Adviser and the Administrator
are taking  steps that they  believe are  reasonably  designed  to address  this
potential  problem  and to obtain  satisfactory  assurance  from  other  service
providers  to the  Portfolios  that they are also  taking  steps to address  the
issue.  There can, however,  be no assurance that these steps will be sufficient
to avoid any adverse impact on the Portfolios, shareholders or contractholders.
    

Other Expenses

     The Trust will be responsible for all of its expenses not assumed by Wright
under  its   Investment   Advisory   Contract   or  by  Eaton  Vance  under  its
Administration Agreement,  including,  without limitation, the fees and expenses
of its custodian and transfer  agent,  including  those incurred for determining
each Portfolio's net asset value and keeping each Portfolio's books; the cost of
share  certificates;   membership  dues  in  investment  company  organizations;
brokerage  commissions  and fees;  fees and expenses of registering  its shares;
expenses of reports to  shareholders,  proxy  statements,  and other expenses of
shareholders'  meetings;  insurance  premiums;  printing  and mailing  expenses;
interest,  taxes and corporate fees; legal and accounting expenses;  expenses of
Trustees who are not employees of Wright or Winthrop;  and  investment  advisory
and  administration  fees.  The  Trust  will  also  bear  expenses  incurred  in
connection  with  litigation  in  which  the  Trust  is a party  and  the  legal
obligation  the Trust may have to  indemnify  its  officers  and  Trustees  with
respect thereto.


                                 NET ASSET VALUE

   
     The net asset value per share of each  Portfolio is determined at the close
of regular  trading on the New York Stock  Exchange (the  "Exchange")  (normally
4:00 P.M., New York time) on each day that the Exchange is open for trading. The
determination of net asset value per share is made by subtracting from the value
of the assets of a Portfolio  the amount of its  liabilities,  and  dividing the
remainder by the number of outstanding shares of a Portfolio. The New York Stock
Exchange is closed on the  following  holidays:  New Year's Day,  Martin  Luther
King, Jr. Day,  Presidents' Day, Good Friday,  Memorial Day,  Independence  Day,
Labor Day, Thanksgiving Day and Christmas Day.
    
       


                       DIVIDENDS, DISTRIBUTIONS AND TAXES

   
     Each  Portfolio  is  treated as a separate  entity for  federal  income tax
purposes under the Internal Revenue Code of 1986, as amended (the "Code").  Each
Portfolio  has  qualified  and elected to be treated as a "regulated  investment
company" for federal  income tax purposes under the Code and intends to continue
    

<PAGE>

to qualify as such.  In order to so qualify,  each  Portfolio  must meet certain
requirements with respect to the sources of its income,  the  diversification of
its  assets,  and  the  distribution  of  its  income  to  shareholders.  By  so
qualifying,  a  Portfolio  will not be subject to  federal  income  taxes to the
extent  that its net  investment  income  and net  realized  capital  gains  are
distributed to shareholders in accordance with applicable timing requirements.

   
     It is the intention of each Portfolio to distribute  substantially  all its
net  investment  income.  Dividends  from  investment  income are expected to be
declared  annually.  However,  the Trustees  may decide to declare  dividends at
other  intervals.  Dividends will be distributed in the form of additional  full
and  fractional  shares of the Portfolio and not in cash, but  shareholders  may
redeem such shares for cash, as described below.
    

     All net realized long- or short-term  capital gains of each Portfolio after
reduction by capital losses, including any available capital loss carryforwards,
if any,  will be declared and  distributed  at least  annually  either during or
after  the  close of the  Portfolio's  taxable  year and will be  reinvested  in
additional  full and  fractional  shares of the  Portfolio.  A Portfolio  may be
subject to foreign  withholding or other foreign  taxes,  with respect to income
(possibly  including,  in some cases,  capital gains) derived from securities of
foreign issuers.  U.S. income tax treaties with certain  countries may eliminate
or  reduce  the  rates  of  these  taxes.  The  Trust  intends  to  provide  the
documentation necessary to achieve the lower treaty rate of withholding whenever
applicable or to seek a refund of amounts withheld in excess of the treaty rate.

     For a discussion  of the tax treatment of  Contractholders  with respect to
their  Contracts,  including  the tax  treatment of  investment  earnings of and
withdrawals from the segregated  accounts  underlying such Contracts,  reference
should be made to the prospectus for the Contracts accompanying this Prospectus.


                        PURCHASE AND REDEMPTION OF SHARES

   
     The  shares of each  Portfolio  are not  offered  to the  public but may be
purchased only by participating insurance companies for their Accounts allocable
to Contracts.  Within the  limitations  set forth in the  appropriate  Contract,
Contractholders  may direct a  participating  insurance  company to  purchase or
redeem shares of any Portfolio. Instructions for any such purchase or redemption
of the shares of any Portfolio must be made by a participating insurance company
and  Contractholders  should not direct  instructions or inquiries to the Trust.
The  terms  and  conditions  of the  Contracts  and  any  limitations  upon  the
Portfolios  in which  the  Accounts  may  invest  are set  forth  in a  separate
prospectus.
    

     Subject to the foregoing,  each Portfolio sells its shares to participating
insurance  companies  without a sales charge at the net asset value per share of
such  Portfolio  next  determined  after the purchase  order is  received.  Each
Portfolio  reserves the right to reject any order for the purchase of its shares
or to limit or suspend, without notice, the offering of its shares.

     Shares of the  Portfolios  may be redeemed on any day on which the Trust is
open for business.  Each Portfolio redeems its shares at the net asset value per
share of such Portfolio next determined after the redemption request is received
from a participating insurance company. Proceeds of any redemption are delivered
to the  participating  insurance  company within seven days after receipt of the
redemption  request.  The right to redeem  shares of a Portfolio  and to receive
payment  therefor may be suspended at times (a) when the securities  markets are
closed,  other than customary weekend and holiday closings,  (b) when trading is

<PAGE>

restricted  for any reason,  (c) when an  emergency  exists as a result of which
disposal  by  such  Portfolio  of  securities  owned  by  it is  not  reasonably
practicable or it is not  reasonably  practicable  for such Portfolio  fairly to
determine the value of its net assets,  or (d) when the  Securities and Exchange
Commission  by order  permits  a  suspension  of the  right of  redemption  or a
postponement of the date of payment or redemption.

   
     Although the  Portfolios  normally  intend to redeem  shares in cash,  each
Portfolio reserves the right to redeem shares by distributing securities in kind
if deemed  advisable  by the  Trustees.  The value of any  portfolio  securities
distributed  upon redemption will be determined in the manner as described under
"Net Asset Value." However, a Portfolio will redeem shares in cash to the extent
that the amount of a  Portfolio's  shares to be redeemed  for the benefit of any
Contractholder  within a 90-day period does not exceed the lesser of $250,000 or
1% of the  aggregate  net asset value of the  Portfolio at the beginning of such
period. If portfolio securities are distributed in lieu of cash, the shareholder
will  normally  incur  transaction  costs  upon  the  disposition  of  any  such
securities.
    


                             PERFORMANCE INFORMATION

   
     From time to time, the Trust may advertise the yield and/or total return of
the  Portfolios and may compare the  performance of the Portfolios  with that of
other  mutual  funds with similar  investment  objectives  as listed in rankings
prepared by Lipper Analytical  Services,  Inc., or similar independent  services
monitoring  mutual fund  performance,  and with appropriate  securities or other
relevant  indices.  The yield of each  Portfolio is computed by dividing its net
investment  income per share earned during a recent 30-day period by the maximum
offering  price (i.e.  net asset  value) per share on the last day of the period
and annualizing the resulting figure.  The total return of a Portfolio refers to
the average annual  compounded  rate of return over the stated period that would
equate an initial investment in that Portfolio at the beginning of the period to
its  ending  redeemable  value,  assuming  reinvestment  of  all  dividends  and
distributions  and  deduction  of all  recurring  charges.  The methods  used to
calculate  total  return and yield are  described  further in the  Statement  of
Additional Information.
    

     The  performance  of each Portfolio will vary from time to time in response
to fluctuations  in market  conditions,  interest rates,  the composition of the
Portfolio's  investments and expenses.  Consequently,  a Portfolio's performance
figures  should  not be  considered  representative  of the  performance  of the
Portfolio for any future  period.  If the expenses of a Portfolio are reduced by
Wright or Eaton Vance, the Portfolio's performance would be higher.


                  ORGANIZATION AND CAPITALIZATION OF THE TRUST

   
     The  Trust  was  established  in  April  1993  as a  business  trust  under
Massachusetts law. The Trust's shares of beneficial  interest have no par value.
Shares of the Trust may be issued in series or Portfolios.  The Trust  currently
has two Portfolios. Each Portfolio's shares may be issued in an unlimited number
by the Trustees.  Each share of a Portfolio  represents  an equal  proportionate
beneficial  interest in that  Portfolio  and, when issued and  outstanding,  the
shares are fully paid and non-assessable by the Trust. Shareholders are entitled
to one  vote  for  each  full  share  held.  Fractional  shares  may be voted in
proportion  to the  amount  of the net asset  value of a  Portfolio  which  they
represent.  Voting  rights are not  cumulative,  which means that the holders of
    

<PAGE>

more than 50% of the shares  voting for the  election of Trustees can elect 100%
of the Trustees.  Shares have no preemptive or conversion  rights and are freely
transferable.  Upon  liquidation  of a Portfolio,  shareholders  are entitled to
share pro rata in the net assets of such Portfolio.

     As permitted by  Massachusetts  law,  there will normally be no meetings of
shareholders for the purpose of electing  Trustees unless and until such time as
less than a  majority  of the  Trustees  holding  office  have been  elected  by
shareholders.  In  such an  event,  the  Trustees  then in  office  will  call a
shareholders'  meeting for the  election of Trustees.  Except for the  foregoing
circumstances  and unless  removed by action of the  shareholders  in accordance
with the Trust's  by-laws,  the  Trustees  will  continue to hold office and may
appoint successor Trustees.

     The  Trust's  by-laws  provide  that no person  shall serve as a Trustee if
shareholders  holding two-thirds of the outstanding shares have removed him from
that office either by a written  declaration filed with the Trust's custodian or
by votes cast at a meeting called for that purpose.  The by-laws further provide
that under certain circumstances the shareholders may call a meeting to remove a
Trustee and that the Trust is required to provide  assistance  in  communicating
with shareholders about such a meeting.

     The rights,  if any, of  Contractholders  to vote the shares of a Portfolio
are governed by the relevant  Contract.  For  information on such voting rights,
see the prospectus describing the Contracts.


                             ADDITIONAL INFORMATION


Custodian and Transfer Agent

   
     Investors Bank & Trust Company,  located at 200 Clarendon  Street,  Boston,
Massachusetts 02116, acts as the Trust's custodian and transfer agent.
    


Independent Auditors

     Deloitte & Touche LLP, located at 125 Summer Street, Boston,  Massachusetts
02110, serves as the Trust's independent auditors.
<PAGE>

                                PART B       
       Information Required in a Statement of Additional Information


                       Statement of Additional Information

                    The Wright Managed Blue Chip Series Trust

   
     This Statement of Additional  Information is not a prospectus and should be
read in conjunction with the Prospectus dated May 1, 1998, as supplemented  from
time to time,  which is  incorporated  herein by reference,  for Wright Selected
Blue Chip Portfolio and Wright International Blue Chip Portfolio,  each a series
of The Wright Managed Blue Chip Series Trust (the  "Trust").  The Prospectus may
be obtained from Wright Investors'  Service  Distributors,  Inc., 1000 Lafayette
Boulevard,  Bridgeport,  Connecticut  06604  (Telephone:  800-888-9471).  Unless
otherwise  defined herein,  capitalized terms have the meanings given to them in
the Prospectus.
    


                                Table of Contents

                                            PAGE                
- ----------------------------------------------------------------------------


  GENERAL INFORMATION.......................  2
  ADDITIONAL DESCRIPTION OF INVESTMENTS.....  2
  INVESTMENT RESTRICTIONS...................  6
  PERFORMANCE INFORMATION...................  7
     Total Return...........................  7
     Yield..................................  8
  PORTFOLIO TRANSACTIONS....................  9
  MANAGEMENT OF THE TRUST................... 10
     Officers and Trustees.................. 10
     The Investment Adviser................. 13
     The Administrator...................... 14
     Custodian.............................. 15
     Independent Certified Public
      Accountants........................... 16
     Legal Matters.......................... 16
  NET ASSET VALUE........................... 16
  TAXES..................................... 17
     Federal Income Taxes................... 17
  FINANCIAL STATEMENTS...................... 19
  APPENDIX.................................. 20


No  person  has  been  authorized  to  give  any  information  or  to  make  any
representation  not contained in this Statement of Additional  Information or in
the Prospectus and, if given or made, such  information or  representation  must
not be relied upon as having  been  authorized.  This  Statement  of  Additional
Information  does not  constitute an offering of any  securities  other than the
registered securities to which it relates or an offer to any person in any state
or other jurisdiction of the United States or any country where such offer would
be unlawful.

   
  The  date  of  this   Statement  of  Additional Information is May 1, 1998.
    
       

<PAGE>

                               GENERAL INFORMATION
       

     The Trust's  Declaration of Trust may be amended with the affirmative  vote
of a majority of the  outstanding  shares of the Trust or, if only the interests
of  a  particular  Portfolio  are  affected,  a  majority  of  such  Portfolio's
outstanding  shares.  The  Trustees are  authorized  to make  amendments  to the
Declaration of Trust that do not have a material adverse effect on the interests
of  shareholders.  The Trust may be terminated  (i) upon the sale of the Trust's
assets to another investment  company,  if approved by the holders of two-thirds
of the outstanding  shares of the Trust,  except that if the Trustees  recommend
such sale of  assets,  the  approval  by the vote of a majority  of the  Trust's
outstanding shares will be sufficient, or (ii) upon liquidation and distribution
of the assets of the Trust,  if approved by a majority of its Trustees or by the
vote of a majority of the Trust's outstanding shares. If not so terminated,  the
Trust may continue indefinitely.

     The Trust's  Declaration  of Trust further  provides that the Trustees will
not be liable  for  errors of  judgment  or  mistakes  of fact or law;  however,
nothing in the  Declaration of Trust protects a Trustee against any liability to
which he would otherwise be subject by reason of willful misfeasance, bad faith,
gross negligence, or reckless disregard of the duties involved in the conduct of
his office.

     The Trust is an organization of the type commonly known as a "Massachusetts
business  trust." Under  Massachusetts  law,  shareholders  of such a trust may,
under  certain  circumstances,  be held  personally  liable as partners  for the
obligations of the trust.  The Trust's  Declaration of Trust contains an express
disclaimer of shareholder liability in connection with the Trust property or the
acts,  obligations  or  affairs  of the  Trust.  The  Declaration  of Trust also
provides for  indemnification  out of the Trust property of any shareholder held
personally  liable for the claims and  liabilities  to which a  shareholder  may
become subject by reason of being or having been a  shareholder.  Thus, the risk
of a shareholder incurring financial loss on account of shareholder liability is
limited to  circumstances  in which the Trust itself would be unable to meet its
obligations.  The  Trust  has  been  advised  by  counsel  that  the risk of any
shareholder  incurring any liability for the obligations of a Trust is extremely
remote.  The  Trust's  investment  adviser  does not  consider  this  risk to be
material.


                      ADDITIONAL DESCRIPTION OF INVESTMENTS

     The  investment  objectives  and  policies  of each of the  Portfolios  are
described in the  Prospectus.  The following is a description  of certain of the
Trust's  investment  policies  and the  portfolio  securities  in which  certain
Portfolios may invest.

     U.S. Government,  Agency and Instrumentality  Securities -- U.S. Government
securities  are  issued by the  Treasury  and  include  bills,  certificates  of
indebtedness,  notes,  and bonds.  Agencies  and  instrumentalities  of the U.S.
Government  are  established  under  the  authority  of an act of  Congress  and
include,  but are not limited to, the Government  National Mortgage  Association
("GNMA"), the Tennessee Valley Authority, the Bank for Cooperatives, the Farmers

<PAGE>

Home Administration, Federal Home Loan Banks, Federal Intermediate Credit Banks,
Federal Land Banks, and the Federal National  Mortgage  Association.  Except for
U.S.  Government  obligations,  the  securities  issued  or  guaranteed  by U.S.
agencies  and  instrumentalities  may or may not be backed by the full faith and
credit of the United  States.  If the obligation is not backed by the full faith
and credit of the United  States,  the Portfolio  must look  principally  to the
agency  or  instrumentally  issuing  or  guaranteeing  the  obligation  for  its
repayment and may not be able to assert a claim against the United States itself
in the event that the agency or  instrumentality  does not meet its obligations.
The U.S.  Government  does not guarantee  the yield or value of any  Portfolio's
investments or shares.
       

   
     Corporate Obligations -- As described in the Prospectus, each Portfolio may
invest,  subject to certain  limitations,  in corporate debt obligations.  Rated
obligations  must be rated in the two highest rating  categories by a nationally
recognized  statistical rating  organization for money market instruments in any
portfolio,  "AA"  by  Moody's  or  "Aa"  by  S&P.  Unrated  obligations  must be
determined by the investment adviser to be of comparable quality.
    

     Foreign Securities -- WIBCP may invest in foreign securities.  Investing in
securities issued by companies whose principal  business  activities are outside
the United States may involve  significant  risks not  associated  with domestic
investments. For example, there is generally less publicly available information
about foreign  companies,  particularly  those not subject to the disclosure and
reporting  requirements  of  the  U.S.  securities  laws.  Foreign  issuers  are
generally  not bound by uniform  accounting,  auditing and  financial  reporting
requirements comparable to those applicable to domestic issuers.  Investments in
foreign securities also involve the risk of possible adverse changes in exchange
control  regulations,  expropriation  or  confiscatory  taxation,  limitation on
removal of funds or other assets of WIBCP, political or financial instability or
diplomatic and other developments which could affect such investments.  Further,
economies of particular  countries or areas of the world may differ favorably or
unfavorably from the economy of the U.S.

     It is anticipated that in most cases, the best available market for foreign
securities will be on exchanges or in  over-the-counter  markets located outside
the U.S. Foreign stock markets, while growing in volume and sophistication,  are
generally  not as  developed  as those in the U.S.  Securities  of some  foreign
issuers  (particularly those located in developing countries) may be less liquid
and more volatile than  securities of comparable  U.S.  companies.  In addition,
foreign   brokerage   commissions  are  generally  higher  than  commissions  on
securities traded in the U.S. and may be  non-negotiable.  In general,  there is
less overall  governmental  supervision and regulation of securities  exchanges,
brokers and listed companies than in the U.S.

     Foreign  Currency  Exchange  Transactions  -- WIBCP may  engage in  foreign
currency exchange  transactions.  Investments in securities of foreign companies
whose  principal  business  activities are located  outside of the United States
will frequently involve currencies of foreign countries. In addition,  assets of
WIBCP may temporarily be held in bank deposits in foreign  currencies during the
completion of investment  programs.  Therefore,  the value of WIBCP's assets, as
measured in U.S. dollars, may be affected favorably or unfavorably by changes in
foreign currency exchange rates and exchange control regulations. Although WIBCP
values  its assets  daily in U.S.  dollars,

<PAGE>

     it does not intend to convert its holdings of foreign  currencies into U.S.
dollars on a daily  basis.  WIBCP may  conduct  its  foreign  currency  exchange
transactions  on a spot (i.e.,  cash) basis at the spot rate  prevailing  in the
foreign currency  exchange  market.  WIBCP will convert currency on a spot basis
from  time to time and  will  incur  costs  in  connection  with  such  currency
conversion.   Although  foreign  exchange  dealers  do  not  charge  a  fee  for
conversion,  they do realize a profit  based on the  difference  (the  "spread")
between  the prices at which they are buying  and  selling  various  currencies.
Thus, a dealer may offer to sell a foreign  currency to WIBCP at one rate, while
offering a lesser rate of exchange  should WIBCP desire to resell that  currency
to the dealer.  WIBCP does not intend to speculate in foreign currency  exchange
rates.

     As an alternative to spot  transactions,  WIBCP may enter into contracts to
purchase or sell foreign  currencies at a future date  ("forward  contracts") or
purchase currency call or put options. A forward contract involves an obligation
to  purchase  or sell a specific  currency  at a future  date and price fixed by
agreement  between the parties at the time of entering into the contract.  These
contracts are traded in the interbank market conducted directly between currency
traders (usually large commercial banks) and their customers. Although a forward
contract  generally  involves  no deposit  requirement  and no  commissions  are
charged at any stage for trades,  WIBCP will use segregated accounts for forward
purchase  transactions.  WIBCP intends to enter into such  contracts only on net
terms. The purchase of a put or call option is an alternative to the purchase or
sale of forward  contracts and will be used if the option premiums are less then
those in the forward contract market.

     WIBCP may enter into forward  contracts or purchase  currency  options only
under two  circumstances.  First,  when WIBCP  enters  into a  contract  for the
purchase or sale of a security denominated in a foreign currency,  it may desire
to "lock in" the U.S.  dollar price of the  security.  This is  accomplished  by
entering into a forward contract for the purchase or sale, for a fixed amount of
U.S.  dollars,  of the amount of foreign  currency  involved  in the  underlying
security transaction ("transaction hedging"). Such forward contract transactions
will enable WIBCP to protect  itself  against a possible loss  resulting from an
adverse  change in the  relationship  between  the U.S.  dollar and the  subject
foreign currency during the period between the date the security is purchased or
sold and the date of payment for the security.

     Second,  when  the  investment  adviser  believes  that the  currency  of a
particular  foreign  country may suffer a substantial  decline  against the U.S.
dollar,  WIBCP may enter into a forward  contract to sell, for a fixed amount of
U.S. dollars, the amount of foreign currency  approximating the value of some or
all of the securities denominated in such foreign currency. The precise matching
of the forward  contract  amounts and the value of the securities  involved will
not  generally  be  possible.  The future  value of such  securities  in foreign
currencies  will change as a consequence of  fluctuations in the market value of
those  securities  between the date the forward contract is entered into and the
date  it  matures.   The   projection  of  currency   exchange   rates  and  the
implementation of a short-term hedging strategy are highly uncertain.

     WIBCP's  custodian  will place cash or liquid  securities  in a  segregated
account.  The amount of such  segregated  assets  will be at least  equal to the
value of WIBCP's total assets committed to the consummation of forward contracts
involving  the  purchase  of forward  currency.  If the value of the  securities
placed in the segregated account declines, additional cash or securities will be

<PAGE>

placed in the  account  on a daily  basis so that the value of the  amount  will
equal the amount of WIBCP's commitments with respect to such contracts.

     At the  maturity  of a  forward  contract,  WIBCP  may  elect  to sell  the
portfolio  security and make  delivery of the foreign  currency.  Alternatively,
WIBCP may retain the  security  and  terminate  its  contractual  obligation  to
deliver the foreign currency by purchasing an identical offsetting contract from
the same currency trader.

     It is impossible  to forecast with  precision the market value of portfolio
securities  at the  expiration  of a forward  contract.  Accordingly,  it may be
necessary for WIBCP to purchase  additional  foreign currency on the spot market
(and bear the expense of such  purchase)  if WIBCP  intends to sell the security
and the market value of the security is less than the amount of foreign currency
that WIBCP is obligated to deliver.  Conversely,  it may be necessary to sell on
the spot  market  some of the  foreign  currency  received  upon the sale of the
portfolio  security if its market value  exceeds the amount of foreign  currency
that WIBCP is obligated to deliver.

     If WIBCP  retains  the  portfolio  security  and  engages in an  offsetting
transaction,  WIBCP  will  incur a gain or a loss (as  described  below)  to the
extent that there has been a change in forward contract prices. If WIBCP engages
in an  offsetting  transaction,  it may  subsequently  enter into a new  forward
contract to sell the foreign  currency.  Should forward  contract prices decline
during the period between the date WIBCP enters into a forward  contract for the
sale of the foreign currency and the date it enters into an offsetting  contract
for the  purchase  of the  foreign  currency,  WIBCP will  realize a gain to the
extent that the price of the currency it has agreed to sell exceeds the price of
the currency it has agreed to purchase. Should forward contract prices increase,
WIBCP will  suffer a loss to the extent  that the price of the  currency  it has
agreed to purchase exceeds the price of the currency it has agreed to sell.

     WIBCP  will  not  speculate  in  forward   contracts  and  will  limit  its
transactions in such contracts to those described above. Of course, WIBCP is not
required to enter into such  transactions  with respect to portfolio  securities
quoted or  denominated  in a foreign  currency and will not do so unless  deemed
appropriate  by its investment  adviser.  This method of protecting the value of
WIBCP's  securities  against  a  decline  in the  value of a  currency  does not
eliminate  fluctuations in the underlying  prices of the  securities.  It simply
establishes  a rate of exchange  which  WIBCP can  achieve at some future  time.
Additionally, although such contracts tend to minimize the risk of loss due to a
decline  in the  value of the  hedged  currency,  they  also  tend to limit  any
potential gain which might be realized if the value of such currency increases.

     Lending Portfolio  Securities -- A Portfolio would have the right to call a
loan and obtain the  securities  loaned at any time on up to five business days'
notice.  A  Portfolio  would  not have the right to vote any  securities  having
voting  rights  during  the  existence  of a loan,  but  would  call the loan in
anticipation of an important vote to be taken among holders of the securities or
the giving or  withholding of their consent on a material  matter  affecting the
investment.

     Borrowings -- Each  Portfolio may borrow money in an amount equal to 1/3 of
its net assets for  temporary  or  emergency  purposes or for the  clearance  of
transactions.  A Portfolio will not purchase  additional  securities  while such
borrowings exceed 5% of such Portfolio's total assets.
<PAGE>
 

                             INVESTMENT RESTRICTIONS

     The  following  investment  restrictions  have been adopted by the Trust on
behalf of each  Portfolio and may be changed only by the vote of a majority of a
Portfolio's  outstanding  voting  securities,   as  defined  in  the  1940  Act.
Accordingly, each Portfolio may not:

     (1) Borrow  money in excess of 1/3 of the current  market  value of the net
         assets of such Portfolio  (excluding the amount borrowed) and then only
         if such borrowing is incurred as a temporary  measure for extraordinary
         or emergency  purposes or to  facilitate  the orderly sale of portfolio
         securities to accommodate  redemption requests; or issue any securities
         other than its shares of beneficial  interest  except as appropriate to
         evidence indebtedness which such Portfolio is permitted to incur;

     (2) Pledge,  mortgage or hypothecate its assets, except to secure permitted
         borrowings.  For purposes of this restriction,  collateral arrangements
         with  respect to  options,  futures  contracts  and  options on futures
         contracts   shall  not  be  deemed   to  be  a   mortgage,   pledge  or
         hypothecation);

     (3) Invest more than 5% of its total assets  taken at current  market value
         in the  securities  of any one issuer or purchase  more than 10% of the
         voting securities of any one issuer;

     (4) Purchase  or retain  securities  of any  issuer  if 5% of the  issuer's
         securities are owned by those officers and Trustees of the Trust or its
         investment  adviser  who own  individually  more  than 1/2 of 1% of the
         issuer's securities;

     (5) Purchase  securities  on margin or make short  sales,  except that such
         Portfolio may make short sales against the box;

     (6) Buy or sell real estate,  commodities,  or commodity  contracts  unless
         acquired  as a result  of  ownership  of  securities;  except  that the
         Portfolio  may  purchase  and sell  futures  contracts  on  securities,
         indices,  currency  and other  financial  instruments  and  options  on
         futures contracts;

     (7) Purchase any  securities  which would cause more than 25% of the market
         value of such Portfolio's  total assets at the time of such purchase to
         be  invested  in the  securities  of  issuers  having  their  principal
         business  activities  in the same  industry,  provided that there is no
         limitation  in  respect  to  investments   in  obligations   issued  or
         guaranteed by the U.S. Government or its agencies or instrumentalities;

     (8) Underwrite  securities  issued by other persons  except  insofar as the
         Trust may technically be deemed an underwriter under the Securities Act
         of 1933 in selling a portfolio security;

     (9) Make loans, except (i) through the loan of a portfolio  security,  (ii)
         by entering into repurchase agreements and (iii) to the extent that the
         purchase of debt  instruments  for the Portfolio in accordance with the
         Portfolio's  investment  objective  and  policies  may be  deemed to be
         loans;
<PAGE>

    (10) Purchase  from  or  sell  to any  of its  Trustees  and  officers,  its
         administrator, investment adviser, or principal underwriter, if any, or
         the officers and directors of said administrator, investment adviser or
         principal underwriter, portfolio securities; or

    (11) Issue senior securities, except as permitted under (1).

     In addition to the  foregoing  fundamental  investment  restrictions,  each
Portfolio has adopted the following  nonfundamental  policies  which reflect the
intentions of the Trustees under current  circumstances.  Unlike the fundamental
investment  restrictions,  these  policies  may be  changed  at any  time by the
Trustees without  shareholder  approval.  Each Portfolio will not: purchase oil,
gas or other  mineral  leases or purchase  partnership  interests in oil, gas or
other mineral  exploration or  development  programs;  purchase  warrants of any
issuer if, as a result,  more than 2% of the value of its total  assets would be
invested  in  warrants  which are not listed on the New York or  American  Stock
Exchanges and more than 5% of the value of its total assets would be invested in
warrants,  such  warrants  in each case to be  valued  at the  lesser of cost or
market,  but assigning no value to warrants  acquired by such Portfolio in units
or attached to securities;  or enter into repurchase agreements maturing in more
than seven days or invest in illiquid or restricted  securities if, as a result,
more than 15% of the Portfolio's net assets would be invested in such repurchase
agreements and securities.

     If  a  percentage  restriction  contained  in  the  Portfolio's  investment
restrictions  or  policies  is  adhered  to at the time of  investment,  a later
increase or decrease in the  percentage  resulting from a change in the value of
portfolio  securities  or the  Portfolio's  net assets will not be  considered a
violation of such restrictions.


                             PERFORMANCE INFORMATION

     Each  Portfolio  may from time to time report its yield and total return in
advertisements,  reports to shareholders and other sales material.  Total return
and yield will be computed as described below.

Total Return

     The average  annual total  return of each  Portfolio  is  determined  for a
particular  period by calculating the actual dollar amount of investment  return
on a $1,000  investment in the  Portfolio  made at the maximum  public  offering
price  (i.e.  net  asset  value)  at the  beginning  of  the  period,  and  then
calculating  the annual  compounded  rate of return  which  would  produce  that
amount.  Total return for a period of one year is equal to the actual  return of
the Portfolio during that period.  This  calculation  assumes that all dividends
and  distributions  are reinvested at net asset value on the reinvestment  dates
during the period. The formula can be expressed as follows:
                                                          1
                                             Ending Value -- 
                                           --------------- n
     Average Annual Total Return  =     [ (Starting Value)    - 1 ] x 100

           where Starting Value equals $1,000 and n = number of years.

     In addition,  each Portfolio may provide total return information for other
designated  periods,  such as for the most  recent six months or most  recent 12
months. This total return information is computed as described above except that
no annualization is made.
<PAGE>

   
     The average annual total return of each Portfolio for the one-year period
 ended December 31, 1997 and from inception to December 31, 1997 are shown in 
 the table below:


<TABLE>
<CAPTION>

                                                 One Year        Inception To       Inception
                                              Ended 12/31/97       12/31/97           Date
- ---------------------------------------------------------------------------------------------------

<S>                                                <C>              <C>               <C> <C>
Wright Selected Blue Chip Portfolio                32.1%            17.8%             1/6/94
Wright International Blue Chip Portfolio            5.7%             5.7%             1/6/94

- ---------------------------------------------------------------------------------------------------
<FN>

     1 During the periods ended December 31, 1997, the operating expenses of the
Portfolios were reduced either by a reduction of the investment adviser fee, the
administrator fee, or the allocation of expenses to the investment adviser, or a
combination of these. Had such actions not been undertaken, the Portfolios would
have had lower returns.

     2 The total  investment  return does not reflect expenses that apply to the
separate  account or policies.  If these  charges had been  included,  the total
return would be reduced.
Yield
</FN>
</TABLE>
    

     The yield of each  Portfolio  is computed by  dividing  its net  investment
income per share earned during a recent  30-day  period by the maximum  offering
price  (i.e.  net  asset  value)  per  share on the last day of the  period  and
annualizing the resulting  figure.  Net investment  income per share is equal to
the  dividends and interest  earned on a  Portfolio's  assets during the period,
with the  resulting  number being  divided by the average daily number of shares
outstanding and entitled to receive dividends during the period.
The formula is as follows:
                                              6
                  Yield = 2      [ (  a--b + 1)  - 1 ]
                                      ----         
                                       cd

Where:

     a = dividends and interest earned during the period. 
     b = expenses  accrued for the period (after reductions).
     c = the average daily number of accumulation  units outstanding during the
         period.
     d = the maximum  offering price per  accumulation  unit on the last
         day of the period.

     NOTE: "a" is calculated for stocks by dividing the stated dividend rate for
each  security  held  during  the  period  by 360.  "a" is  estimated  for  debt
securities  other than  mortgage  certificates  by dividing the year-end  market
value times the yield to maturity by 360. "a" for mortgage  securities,  such as
GNMAs,  is the actual  income  earned.  Neither  discount  nor  premium has been
amortized.

   
    For the 30-day period ended December 31, 1997, the yield of WSBCP was 0.53%.
    
       

     Total return,  yield and effective  yield are based on historical  earnings
and are not intended to indicate future performance. Total return and yield will
vary based on changes in market conditions and the level of expenses.
<PAGE>

     A Portfolio's  yield or total return may be compared to the Consumer  Price
Index and various  domestic  securities  indices.  A Portfolio's  yield or total
return and comparisons with these indices may be used in  advertisements  and in
information furnished to present or prospective shareholders.

     From  time  to  time,  evaluations  of a  Portfolio's  performance  made by
independent  sources may be used in advertisements and in information  furnished
to present or prospective  shareholders.  These include the rankings prepared by
Lipper  Analytical  Services,  Inc., an  independent  service which monitors the
performance  of mutual  funds.  The Lipper  performance  analysis  includes  the
reinvestment  of  dividends  and capital gain  distributions,  but does not take
sales  charges  into  consideration  and  is  prepared  without  regard  to  tax
consequences.


                             PORTFOLIO TRANSACTIONS

     The investment adviser places the security transactions for each Portfolio,
which in some cases may be effected in block  transactions  which  include other
accounts  managed by the investment  adviser.  The investment  adviser  provides
similar  services  directly  for bank  trust  departments  and other  investment
companies.  In some  instances,  allocation of the securities to be purchased or
sold, and the expenses in connection with such transaction,  is made in a manner
the investment  adviser  considers to be most equitable and consistent  with its
fiduciary  obligations to the Trust and such other clients.  Such allocation may
adversely affect the size of the position obtainable by a Portfolio.

     The investment adviser seeks to execute portfolio security  transactions on
the most favorable terms and in the most effective manner  possible.  In seeking
best execution,  the investment adviser will use its best judgment in evaluating
the terms of a  transaction,  and will give  consideration  to various  relevant
factors, including without limitation the size and type of the transaction,  the
nature and character of the markets for the security, the confidentiality, speed
and  certainty  of  effective  execution  required  for  the  transaction,   the
reputation,  experience  and financial  condition of the  broker-dealer  and the
value  and  quality  of  service   rendered  by  the   broker-dealer   in  other
transactions,  and the reasonableness of the brokerage  commission or markup, if
any.

     It is expected that on frequent  occasions there will be many broker-dealer
firms which will meet the foregoing  criteria for a particular  transaction.  In
selecting among such firms, the Portfolios may give consideration to those firms
which supply  brokerage and research  services,  quotations and  statistical and
other information to the investment  adviser for use in servicing their accounts
or firms  which  purchase  its  investment  services.  The term  "brokerage  and
research  services"  includes  advice  as  to  the  value  of  securities,   the
advisability  of  investing  in,  purchasing  or  selling  securities,  and  the
availability  of securities or purchasers or sellers of  securities;  furnishing
analyses  and  reports  concerning  issuers,  industries,  securities,  economic
factors and trends,  portfolio  strategy and the  performance  of accounts;  and
effecting  securities  transactions and performing  functions incidental thereto
(such as clearance and settlement).  Such services and information may be useful
and of value to the investment  adviser in servicing all or less than all of its
accounts and the services and information furnished by a particular firm may not
necessarily  be used  in  connection  with  the  account  which  paid  brokerage
commissions  to such  firm.  The  advisory  fee  paid by the  Portfolios  to the
investment  adviser  is not  reduced  as a  consequence  of its  receipt of such
services and  information.  While such

<PAGE>

services  and  information  are  not  expected  to  reduce  the  investment
adviser's normal research activities and expenses, the investment adviser would,
through use of such  services and  information,  avoid the  additional  expenses
which would be incurred  if it  attempted  to develop  comparable  services  and
information through its own staff.

     Under the Investment  Advisory  Contract,  the  investment  adviser has the
authority  to pay  commissions  on  portfolio  transactions  for  brokerage  and
research  services  exceeding  that which other  brokers or dealers might charge
provided certain conditions are met. The Investment  Advisory Contract expressly
authorizes  the  selection  of a broker or dealer  which  charges a  Portfolio a
commission  which is in excess of the  amount of  commission  another  broker or
dealer would have charged for effecting that  transaction if it is determined in
good faith that such  commission  was reasonable in relation to the value of the
brokerage and research services which have been provided.

     Subject to the requirement  that the investment  adviser shall use its best
efforts  to  seek  to  execute  each   Portfolio's   security   transactions  at
advantageous  prices  and  at  reasonably   competitive  commission  rates,  the
investment adviser, as indicated above, is authorized to consider as a factor in
the selection of any  broker-dealer  firm with whom a Portfolio's  orders may be
placed the fact that such firm has sold or is selling shares of the Portfolio or
of other investment companies sponsored by the investment adviser.

   
     During the  fiscal  years  ended  December  31,  1997,  1996 and 1995,  the
Portfolios paid the following amounts on brokerage commissions:


                                1997              1996             1995
- -------------------------------------------------------------------------------

     WSBCP(1)                  $3,558            $6,192           $3,551
     WIBCP(1)                  $8,692            $3,221           $2,768

- -------------------------------------------------------------------------------

     (1) Start of business, January 6, 1994.

    
                             MANAGEMENT OF THE TRUST

Officers and Trustees

     The  officers  and  Trustees  of the  Trust  are  listed  below.  Except as
indicated,  each  individual  has held the office shown or other  offices in the
same  company  for the last  five  years.  Those  Trustees  who are  "interested
persons,"  as  defined  in the 1940 Act,  of the  Trust,  Wright,  The  Winthrop
Corporation  ("Winthrop"),  Eaton Vance, Eaton Vance's wholly-owned  subsidiary,
Boston Management and Research ("BMR"),  or Eaton Vance's parent company,  Eaton
Vance Corp.  ("EVC"),  or Eaton Vance's Trustee,  Eaton Vance,  Inc. ("EV"),  by
virtue of their affiliation with the Trust, Wright,  Winthrop,  Eaton Vance, EVC
or EV, are indicated by an asterisk (*).

   
PETER M. DONOVAN (55), President and Trustee*
President,  Chief  Executive  Officer and Director of Wright and Winthrop;  Vice
President,  Treasurer and a Director of Wright Investors' Service  Distributors,
Inc.
Address: 1000 Lafayette Boulevard, Bridgeport, CT 06604
<PAGE>

H. DAY BRIGHAM, JR. (71), Vice President, Secretary and Trustee*
Retired Vice  President,  Chairman of the  Management  Committee and Chief Legal
Officer of Eaton Vance,  EVC, BMR and EV and Director,  EVC and EV;  Director of
Wright and Winthrop since February, 1997.
Address: 92 Reservoir Avenue, Chestnut Hill, MA 02167

JUDITH R. CORCHARD (59), Vice President and Trustee*
Executive Vice President, Investment Management: Senior Investment Officer;
Chairman of the  Investment  Committee  and Director  Wright and  Winthrop.  Ms.
Corchard was appointed a Trustee of the Trust on December 10, 1997.
Address: 1000 Lafayette Boulevard, Bridgeport, CT 06604

WINTHROP S. EMMET (87), Trustee
Retired New York City Attorney at Law; Trust Officer, First National City Bank,
New York, NY (1963-1971).
Address: Box 327, West Center Road, West Stockbridge, MA 01266

MICHAEL F. FLAMENT (50), Trustee*
Senior Vice President - Investment and Economic Analysis of Wright. Mr. Flament
was elected a Trustee of the Trust on June 17, 1997.
Address: 1000 Lafayette Boulevard, Bridgeport, CT 06604

LELAND F. MILES (74), Trustee
President  Emeritus,University  of  Bridgeport  (1987-Present);   President
University of Bridgeport (1974-1987); Director, United Illuminating Company. Mr.
Miles as appointed a Trustee of the Trust on June 17, 1997.
Address: 332 North Cedar Road, Fairfield, CT 06430

A.M. MOODY III (61), Vice President & Trustee*
Senior Vice President, Wright and Winthrop; President, Wright Investors'
Service Distributors, Inc.
Address: 1000 Lafayette Boulevard, Bridgeport, CT 06604

LLOYD F. PIERCE (79), Trustee
Retired Vice Chairman  (prior to 1984 - President),  People's Bank,  Bridgeport,
CT;  Member,  Board  of  Trustees,  People's  Bank,  Bridgeport,  CT;  Board  of
Directors,  Southern  Connecticut  Gas Company;  Chairman,  Board of  Directors,
COSINE.
Address: 140 Snow Goose Court, Daytona Beach, FL 32119

RICHARD E. TABER (49), Trustee
Chairman and Chief Executive Officer of First County Bank, Stamford, CT 
(1989-present). Mr. Taber was appointed as a Trustee of the Trust on
March 18, 1997.
Address: 117 Prospect Street, Stamford, CT 06901
<PAGE>

RAYMOND VAN HOUTTE (73), Trustee
President  Emeritus and Counselor of The Tompkins County Trust Co.,  Ithaca,  NY
(since January 1989); President and Chief Executive Officer, The Tompkins County
Trust  Company  (1973-1988);  President,  New  York  State  Bankers  Association
(1987-1988);  Director,  McGraw Housing Company,  Inc., Deanco, Inc., Evaporated
Metal Products and Tompkins County Area Development, Inc.
Address: One Strawberry Lane, Ithaca, NY 14850

JAMES L. O'CONNOR (53), Treasurer
Vice President of Eaton Vance and EV. Officer of various investment companies
managed by Eaton Vance or BMR.
Address: 24 Federal Street, Boston, MA 02110

JANET E. SANDERS (62), Assistant Secretary and Assistant Treasurer
Vice President of Eaton Vance and EV. Officer of various investment companies
managed by Eaton Vance or BMR.
Address: 24 Federal Street, Boston, MA 02110

A. JOHN MURPHY (35), Assistant Secretary
Assistant  Vice  President  of  Eaton  Vance,  BMR and EV since  March 1,  1994;
employee  of Eaton  Vance  since  March  1993.  Officer  of  various  investment
companies  managed  by Eaton  Vance or BMR.  Mr.  Murphy was  elected  Assistant
Secretary of the Trust on June 21, 1995.
Address: 24 Federal Street, Boston, MA 02110

ERIC G. WOODBURY (40), Assistant Secretary
Vice  President  of Eaton Vance  since  February  1993.  Officer of various
investment  companies  managed by Eaton Vance or BMR.  Mr. Woodbury was elected
Assistant Secretary of the Trust on June 21, 1995.
Address: 24 Federal Street, Boston, MA 02110

WILLIAM J. AUSTIN, JR. (46), Assistant Treasurer
Assistant Vice President of Eaton Vance and EV. Officer of various investment
companies managed by Eaton Vance or BMR.
Address: 24 Federal Street, Boston, MA 02110

     All of the Trustees and officers, except Michael F. Flament, hold identical
positions with The Wright Managed Income Trust, The Wright Managed Equity Trust,
The Wright  EquiFund  Equity Trust,  Catholic  Values  Investment  Trust and The
Wright Blue Chip Master Portfolio Trust. The fees and expenses of those Trustees
(Messrs.  Emmet,  Miles,  Pierce,  Taber and Van Houtte) who are not "interested
persons" of the Trust and of Mr. Brigham are paid by the  Portfolios.  They also
receive  additional  payments from other  investment  companies for which Wright
provides investment advisory services.  The Trustees who are employees of Wright
receive no  compensation  from the Trust.  The Trust does not have a  retirement
plan for its Trustees.  For Trustee  compensation  from the Trust for the fiscal
year ended December 31, 1997 and for the total compensation paid to the Trustees
from the Wright Fund complex for the fiscal year ended  December  31, 1997,  see
the following table.
<PAGE>
<TABLE>
<CAPTION>

                               COMPENSATION TABLE

                           Aggregate Compensation       Pension       Estimated         Total
                           From The Wright Managed     Benefits        Annual       Compensation
Trustees                   Blue Chip Series Trust       Accrued       Benefits         Paid(1)

<S>                                <C>                   <C>            <C>            <C>   
H. Day Brigham, Jr.                $1,250                None           None           $6,000
Winthrop S. Emmet                  $1,500                None           None           $7,000
Leland Miles                        $ 750                None           None           $6,250
Lloyd F. Pierce                    $1,500                None           None           $7,000
Richard E. Taber                   $1,000                None           None           $5,000
Raymond Van Houtte                 $1,500                None           None           $7,000
<FN>

     (1) Total compensation paid is from the The Wright Managed Blue Chip Series
Trust (4  Portfolios)  and the other funds in the Wright Fund complex (20 funds)
for a total of 24 funds.
</FN>
</TABLE>

     The Trust's  board of trustees has  established  an  Independent  Trustees'
Committee consisting of all of the Independent  Trustees who are Messrs.  Emmet,
Miles,  Pierce  (Chairman),  Taber and Van Houtte. The  responsibilities  of the
Independent  Trustees'  Committee  include  those of an audit  committee  of the
financial  governance of the Trust,  a nominating  committee  for  additional or
replacement   trustees  of  the  Trust  and  a  contract  review  committee  for
consideration  of renewals  or changes in the  investment  advisory  agreements,
distribution   agreements  and  distribution   plans  and  other  agreements  as
appropriate.
    

The Investment Adviser

   
     The Trust has engaged The Winthrop Corporation ("Winthrop"),  to act as the
Portfolio's  investment  adviser  pursuant to an Investment  Advisory  Contract.
Pursuant to a service agreement  effective February 1, 1996 between Winthrop and
its wholly-owned subsidiary, Wright Investors' Service, Inc. ("Wright"), Wright,
acting under the general  supervision  of the Trust's  Trustees,  furnishes each
Portfolio with investment advice and management  services.  Winthrop  supervises
Wright's  performance of this function and retains its  contractual  obligations
under its Investment  Advisory Contract with each Portfolio.  The estate of John
Winthrop Wright may be considered a controlling person of Winthrop and Wright by
reason  of its  ownership  of 29% of the  outstanding  shares of  Winthrop.  The
Trustees of the Trust are responsible  for the general  oversight of the conduct
of each Portfolio's business.
    

     Pursuant to the  Investment  Advisory  Contract,  Wright will carry out the
investment  and  reinvestment  of the  assets of the  Portfolios,  will  furnish
continuously  an  investment  program  with  respect  to  the  Portfolios,  will
determine  which  securities  should be purchased,  sold or exchanged,  and will
implement such determinations.  Wright will furnish to the Portfolios investment
advice and management services,  office space, equipment and clerical personnel,
and  investment  advisory,  statistical  and research  facilities.  In addition,
Wright  has  arranged  for  certain  members  of  the  Eaton  Vance  and  Wright
organizations  to serve without salary as officers or Trustees of the Trust.  In
return for these services, each Portfolio is obligated to pay a monthly advisory
fee calculated at the rates set forth in the Portfolio's current Prospectus.
<PAGE>

   
     The  following  table  sets forth the net  assets of each  Portfolio  as at
December  31, 1997,  and the  advisory fee earned  during the fiscal years ended
December 31, 1997, 1996 and 1995.
<TABLE>
<CAPTION>


                                                   Aggregate   Fee Earned     Fee Earned       Fee Earned
                                                      Net    for the Fiscal  for the Fiscal  for the Fiscal
                                                    Assets     Year Ended     Year Ended       Year Ended
PORTFOLIOS                                         12/31/97     12/31/97       12/31/96          12/31/95
- ----------------------------------------------------------------------------------------------------------------

<S>                                              <C>            <C>             <C>             <C>    
Wright Selected Blue Chip Portfolio (WSBCP)(1)   $3,425,031     $19,920         $16,989         $11,367
Wright International Blue Chip Portfolio 
 (WIBCP)(2)                                      $1,410,688     $11,960         $10,298         $ 9,690

- -----------------------------------------------------------------------------------------------------------------
<FN>

(1) For the fiscal year ended  December 31, 1997,  WSBCP made a reduction of its
    advisory fee in the amount of $15,717.  For the fiscal years ended  December
    31, 1996 and 1995,  WSBCP made a reduction  of its  advisory fee in the full
    amount of such fee and Wright was allocated $0 and $7,494, respectively,  of
    expenses related to the operation of such Portfolio.
(2) For the fiscal years ended  December 31, 1997,  1996 and 1995,  WIBCP made a
    reduction  of its advisory fee in the full amount of such fee and Wright was
    allocated $21,630, $15,486 and $12,813, respectively, of expenses related to
    the operation of such Portfolio.
</FN>
</TABLE>



The Administrator

     The Trust has  engaged  Eaton  Vance to act as the  administrator  for each
Portfolio.  For its services  under the  Administration  Agreement,  Eaton Vance
receives monthly  administration  fees based on the net assets of each Portfolio
at the  annual  rates  set  forth in the  Portfolio's  current  Prospectus.  The
following table sets forth the administration  fees that would have been earned,
absent a fee reduction,  from each Portfolio for the fiscal years ended December
31, 1997, 1996 and 1995.

<TABLE>
<CAPTION>
                                                                 Administration Fees Paid
                                                           for the Fiscal Year Ended December 31
PORTFOLIOS                                                    1997        1996(1)      1995(1)
- ------------------------------------------------------------------------------------------------------

<S>                                                          <C>           <C>           <C> 
Wright Selected Blue Chip Portfolio (WSBCP)                  $1,532        $1,307        $874
Wright International Blue Chip Portfolio (WIBCP)              $ 747 (1)     $ 644        $606

- ------------------------------------------------------------------------------------------------------

(1) Eaton Vance made a reduction of the administration fee in the full amount.
</TABLE>


     Eaton  Vance and EV are both wholly  owned  subsidiaries  of EVC.  BMR is a
wholly-owned   subsidiary  of  Eaton  Vance.   Eaton  Vance  and  BMR  are  both
Massachusetts business trusts, and EV is the trustee of Eaton Vance and BMR. The
Directors of EV are M. Dozier Gardner,  James B. Hawkes and Benjamin A. Rowland,
Jr. The Directors of EVC consist of the same persons and John G. L. Cabot,  John
M. Nelson,  Vincent M. O'Reilly and Ralph Z.  Sorenson.  Mr. Hawkes is chairman,
president and chief  executive  officer and Mr. Gardner is vice chairman of EVC,
Eaton Vance, BMR and EV. All of the issued and outstanding shares of Eaton Vance
and EV are owned by EVC.  All of the  issued and  outstanding  shares of BMR are
owned by Eaton Vance.  All shares of the outstanding  Voting Common Stock of EVC
are  deposited  in a Voting  Trust,  the Voting  Trustees  of

<PAGE>

which are  Messrs.  Gardner,  Hawkes,  Rowland,  Alan R. Dynner , Thomas E.
Faust,  Jr., William M. Steul and Wharton P. Whitaker.  The Voting Trustees have
unrestricted  voting  rights for the  election of  Directors  of EVC. All of the
outstanding  voting trust  receipts  issued under said Voting Trust are owned by
certain of the officers of Eaton Vance and BMR who are also officers or officers
and  Directors of EVC and EV. As of April 30, 1998,  Messrs.  Gardner and Hawkes
each owned 24% of such voting trust  receipts,  Messrs.  Rowland and Faust owned
15% and 13%, respectively, and Messrs. Dynner and Whitaker each owned 8% of such
voting trust receipts.  Messrs.  Austin,  Murphy,  O'Connor and Woodbury and Ms.
Sanders, who are officers of the Trust, are also members of the Eaton Vance, BMR
and EV  organizations.  Eaton  Vance  will  receive  the  fees  paid  under  the
Administration Agreements.
    
       

     In addition, Eaton Vance owns all the stock of Northeast Properties,  Inc.,
which is engaged in real estate investment. EVC owns all of the stock of Fulcrum
Management,  Inc. and MinVen,  Inc.,  which are engaged in precious metal mining
venture investment and management.  EVC also owns approximately 21% of the Class
A shares of Lloyd George Management  (B.V.I.) Limited,  a registered  investment
adviser. EVC, EV, Eaton Vance and BMR may also enter into other businesses.

   
     The Trust's Investment Advisory Contract and Administration  Agreement will
remain in effect  until  February  28,  1999.  The Trust's  Investment  Advisory
Contract  may be  continued  with  respect  to a  Portfolio  from  year  to year
thereafter so long as such  continuance  after  February 28, 1999 is approved at
least  annually  (i) by the  vote  of a  majority  of the  Trustees  who are not
"interested  persons"  of the Trust,  Eaton  Vance or Wright cast in person at a
meeting  specifically called for the purpose of voting on such approval and (ii)
by  the  Board  of  Trustees  of the  Trust  or by  vote  of a  majority  of the
outstanding shares of that Portfolio.  The Trust's Administration  Agreement may
be  continued  from  year  to  year  after  February  28,  1999  so long as such
continuance is approved annually by the vote of a majority of the Trustees. Each
agreement  may be  terminated  as to a Portfolio at any time without  penalty on
sixty (60) days' written  notice by the Board of Trustees or Directors of either
party, or by vote of the majority of the  outstanding  shares of that Portfolio,
and each agreement will terminate  automatically in the event of its assignment.
Each agreement provides that, in the absence of willful misfeasance,  bad faith,
gross negligence or reckless disregard of its obligations or duties to the Trust
under such agreement on the part of Eaton Vance or Wright, Eaton Vance or Wright
will not be liable to the Trust for any loss incurred.
    


Custodian

   
     Investors  Bank & Trust  Company  ("IBT"),  200 Clarendon  Street,  Boston,
Massachusetts,  acts as custodian for each of the Portfolios.  IBT,  directly or
through  subcustodians,  has the  custody  of all  cash  and  securities  of the
Portfolios, maintains the Portfolios' general ledgers and computes daily the net
asset value per share of each Portfolio.  In such capacity it attends to details
in connection with the sale, exchange, substitution,  transfer or other dealings
with the Portfolios' investments,  receives and disburses all funds and performs
various other  ministerial  duties upon receipt of proper  instructions from the
Portfolios.
    
<PAGE>


Independent Certified Public Accountants

     Deloitte & Touche LLP, 125 Summer  Street,  Boston,  Massachusetts  are the
Trust's independent certified public accountants,  providing audit services, tax
return  preparation,  and  assistance  and  consultation  with  respect  to  the
preparation of filings with the Securities and Exchange Commission.


Legal Matters

     Certain  legal matters are passed on for the Trust by Hale and Dorr LLP, 60
State Street, Boston, Massachusetts 02109.


                                 NET ASSET VALUE

     Portfolio  securities  for which the  primary  market is on a  domestic  or
foreign exchange or which are traded  over-the-counter  and quoted on the NASDAQ
System  will be  valued at the last sale  price on the day of  valuation  or, if
there was no sale that day, at the last  reported bid price,  using prices as of
the close of trading.  Portfolio securities not quoted on the NASDAQ System that
are actively traded in the over-the-counter  market, including listed securities
for which the primary market is believed to be the over-the-counter market, will
be valued at the most recently quoted bid price provided by the principal market
makers.

     With respect to WIBCP,  foreign securities traded outside the United States
are generally valued as of the time their trading is completed, which is usually
different from the close of the New York Stock  Exchange.  Occasionally,  events
affecting  the value of such  securities  may occur  between  such times and the
close  of the  New  York  Stock  Exchange  that  will  not be  reflected  in the
computation of WIBCP's net asset value. If events materially affecting the value
of such securities occur during such period,  these securities will be valued at
their fair  value  according  to  procedures  decided  upon in good faith by the
Trustees.  All  securities  and  other  assets  of  WIBCP  initially  quoted  or
denominated in foreign currencies will be converted to U.S. dollar values at the
mean of the bid and offer prices of such  currencies  against U.S.  dollars last
quoted on a valuation date by any recognized dealer.

     In the case of any  securities  which  are not  actively  traded,  reliable
market  quotations  may  not  be  considered  to  be  readily  available.  These
investments  are stated at fair value as  determined  under the direction of the
Trustees.  Such fair value is expected to be determined by utilizing information
furnished  by  a  pricing  service  which  determines   valuations  for  normal,
institutional-size  trading  units of such  securities  using  methods  based on
market transactions for comparable  securities and various relationships between
securities which are generally recognized by institutional traders.

     If any securities  held by a Portfolio are  restricted as to resale,  their
fair value will be determined following procedures approved by the Trustees. The
Trustees periodically review such procedures.  The fair value of such securities
is generally  determined to be the amount which the Portfolio  could  reasonably
expect  to  realize  from  an  orderly  disposition  of such  securities  over a
reasonable  period

<PAGE>

of time.  The  valuation  procedures  applied in any specific  instance are
likely to vary from case to case.  However,  consideration is generally given to
the  financial  position  of the issuer and other  fundamental  analytical  data
relating to the investment and to the nature of the  restrictions on disposition
of the securities  (including any  registration  expenses that might be borne by
the  Portfolio in  connection  with such  disposition).  In  addition,  specific
factors are also generally considered,  such as the cost of the investment,  the
market value of any unrestricted  securities of the same class (both at the time
of purchase and at the time of valuation),  the size of the holding,  the prices
of any recent  transactions  or offers with respect to such  securities  and any
available analysts' reports regarding the issuer.

     Notwithstanding  the foregoing,  short-term debt securities with maturities
of 60 days or less will be valued at amortized cost.
       



                                      TAXES

Federal Income Taxes

   
     In order to qualify as a regulated  investment  company as described in the
Prospectus, a Portfolio must, among other things, (1) derive at least 90% of its
gross  income in each  taxable  year from  dividends,  interest,  payments  with
respect to securities loans,  gains from the sale or other disposition of stocks
or securities or foreign currencies,  or other income (including but not limited
to gains  from  options  and  forward  contracts)  derived  with  respect to its
business  of  investing  in such  stocks or  securities  and (2)  diversify  its
holdings in compliance with the diversification  requirements of Subchapter M of
the Code so that,  at the end of each quarter of the  Portfolio's  taxable year,
(a) at  least  50% of the  market  value  of the  Portfolio's  total  assets  is
represented by cash, U.S. Government  securities and other securities limited in
respect  of any one  issuer to not more than 5% of the value of the  Portfolio's
total (gross)  assets and to not more than 10% of the voting  securities of such
issuer,  and (b) not more than 25% of the value of its total  (gross)  assets is
invested in securities of any one issuer (other than U.S. Government securities)
or certain other issuers controlled by the Portfolio.
    

     As a  regulated  investment  company,  a  Portfolio  will not be subject to
federal  income tax on net  investment  income and net capital gains (short- and
long-term),  if any, that it distributes to its  shareholders if at least 90% of
its investment company taxable income (i.e., all of its net taxable income other
than the  excess,  if any, of net  long-term  capital  gain over net  short-term
capital  loss ("net  capital  gain")),  for the taxable year is  distributed  in
accordance with applicable  timing  requirements,  but will be subject to tax at
regular corporate rates on any investment  company taxable income or net capital
gain that is not so distributed.  In general,  dividends will be treated as paid
when actually distributed,  except that dividends declared in October,  November
or December and made payable to  shareholders  of record in such a month will be
treated as having been received by  shareholders on December 31, if the dividend
is  paid in the  following  January.  Each  Portfolio  intends  to  satisfy  the
distribution requirement in each taxable year. A Portfolio's  distributions from
investment  company taxable income and net capital gain are generally treated as
ordinary  income  and  long-term  capital  gain,  respectively,  under the Code.
Insurance  companies  should  consult  their own tax advisers 

<PAGE>

regarding the tax rules  governing  their  treatment  upon receipt of these
distributions and the proceeds of share redemptions (including exchanges).

     Each  Portfolio  will not be subject to federal  excise tax or the  related
distribution  requirements  for any taxable  year in which all of its shares are
held by segregated asset accounts of life insurance companies held in connection
with  variable  contracts  or  are  attributable  to  certain  "seed  money"  in
accordance with Section 4982(f) of the Code.

   
     Investment  by a Portfolio  in the stock of a "passive  foreign  investment
company" may cause the  Portfolio  to  recognize  income prior to the receipt of
distributions  from such a company or to become  subject to tax upon the receipt
of certain excess  distributions from, or upon disposition of its stock of, such
a company, although an election may generally be available that would ameliorate
some of these adverse tax consequences.
    

     Each  Portfolio  intends to comply  with the  diversification  requirements
imposed  by Section  817(h) of the Code and the  regulations  thereunder.  These
requirements,  which are in addition to the diversification requirements imposed
on a  Portfolio  by the 1940 Act and  Subchapter  M of the Code,  place  certain
limitations on the assets of each separate  account and,  because Section 817(h)
and those regulations treat the assets of the Portfolio as assets of the related
separate account, the assets of a Portfolio, that may be represented by any one,
two, three and four  investments.  Specifically,  the regulations  provide that,
except as permitted by the "safe harbor"  described below, as of the end of each
calendar  quarter  or  within 30 days  thereafter  no more than 55% of the total
assets of a Portfolio may be represented by any one investment, no more than 70%
by any two  investments,  no more than 80% by any three  investments and no more
than 90% by any four investments.  For this purpose,  all securities of the same
issuer are considered a single investment,  and each U.S.  Government agency and
instrumentality is considered a separate issuer.  Section 817(h) provides,  as a
safe  harbor,  that a  separate  account  will be  treated  as being  adequately
diversified if the diversification requirements under Subchapter M are satisfied
and no more than 55% of the value of the  account's  total  assets  are cash and
cash items (including receivables), U.S. Government securities and securities of
other regulated investment companies.  Failure by a Portfolio to both qualify as
a regulated investment company and satisfy the Section 817(h) requirements would
generally  result in treatment of the variable  contract  holders  other than as
described in the applicable variable contract prospectus, including inclusion in
ordinary  income of income  accrued  under the contracts for the current and all
prior  taxable  years.   Any  such  failure  may  also  result  in  adverse  tax
consequences for the insurance company issuing the contracts.

     The Trust may therefore  find it necessary to take action to seek to ensure
that a Contract  continues  to qualify as a  Contract  under  federal  tax laws,
although the insurance  company that maintains each segregated  asset account is
responsible  for  ensuring  that the assets  held in that  account  satisfy  the
diversification  requirements  of Section  817(h) of the Code and the applicable
regulations  and the Trust  itself can  control  only the assets held within the
Portfolios.  The Trust,  for  example,  may be required to alter the  investment
objectives of a Portfolio or substitute the shares of one Portfolio for those of
another.  No such change of investment  objectives or substitution of securities
will take place without notice to the shareholders of the affected Portfolio.
<PAGE>

     The  Portfolios  are not  subject  to  Massachusetts  corporate  excise  or
franchise  tax.  Provided that a Portfolio  qualifies as a regulated  investment
company  under the Code,  it will also not be required to pay any  Massachusetts
income tax.


                              FINANCIAL STATEMENTS

=============================================================================




   
           Registrant incorporates by reference the audited financial
         information for the Trust contained in the Trust's shareholder
              report for the fiscal year ended December 31, 1997 as
             previously filed electronically with the Securities and
           Exchange Commission (Accession Number 0000715165-98-000004)
    


<PAGE>
                                    APPENDIX


===============================================================================




Wright Quality Ratings


     Wright Quality  Ratings provide a means by which Wright  evaluates  certain
fundamental  criteria  for  the  measurement  of  the  quality  of  an  issuer's
securities.

     Each  rating is based on 32  individual  measures  of quality  which can be
grouped into four components: (1) Investment Acceptance, (2) Financial Strength,
(3)  Profitability  and  Stability,  and (4) Growth.  The total  rating is three
letters and a numeral. The three letters measure (1) Investment Acceptance,  (2)
Financial Strength, and (3) Profitability and Stability.  Each letter reflects a
composite  measurement of eight individual  standards which are summarized as A:
Outstanding,  B: Excellent,  C: Good, D: Fair, L: Limited, and N: Not Rated. The
numeral rating reflects Growth and is a composite of eight individual  standards
ranging from 0 to 20.


Equity Securities


     Investment  Acceptance  reflects the acceptability of a security by and its
marketability  among  investors,  and  the  liquidity  of the  market  for  such
securities.

     Financial  Strength  represents  the amount,  adequacy and liquidity of the
corporation's resources in relation to current and potential  requirements.  Its
principal  components  are  aggregate  equity  and total  capital,  the ratio of
invested equity capital to debt, the adequacy of net working capital,  its fixed
charges coverage ratio and other appropriate criteria.

     Profitability  and  Stability   measures  the  record  of  a  corporation's
management  in  terms  of (1) the  rate and  consistency  of the net  return  on
shareholders'  equity capital  investment at corporate  book value,  and (2) the
profits or losses of the corporation  during generally adverse economic periods,
including its ability to withstand adverse financial developments.

     Growth  measures  the growth per common share of the  corporation's  equity
capital,  earnings, and dividends,  rather than the corporation's overall growth
of revenues and income.

     These  ratings  are  determined  by  specific   quantitative   formulae.  A
distinguishing  characteristic  of these  ratings is that The Wright  Investment
Committee  must  review and  accept  each  rating.  The  Committee  may reduce a
computed rating of any company, but may not increase it.
<PAGE>

Debt Securities


     Wright ratings for commercial paper,  corporate bonds and bank certificates
of  deposit  consist  of  the  two  central   positions  of  the  four  position
alphanumeric  corporate equity rating. The two central positions represent those
factors which are particularly relevant to fixed income and reserve investments.

     The first  letter  rating of the Wright  four-part  alphanumeric  corporate
rating is not  included  in the  ratings  of fixed  income  securities  since it
primarily  reflects the adequacy of the floating supply of the company's  common
shares for the investment of substantial funds. The numeric growth rating is not
included because this element is identified only with equity investments.


A-1 and P-1 Commercial Paper Ratings
by Standard & Poor's and Moody's


     A Standard & Poor's Commercial Paper Rating is a current  assessment of the
likelihood of timely payment of debt having an original maturity of no more than
365 days.

     `A':  Issues  assigned  this  highest  rating  are  regarded  as having the
greatest  capacity for timely  payment.  Issues in this category are  delineated
with the  numbers 1, 2, and 3 to indicate  the  relative  degree of safety.  The
`A-1'  designation  indicates that the degree of safety regarding timely payment
is either  overwhelming  or very  strong.  Those  issues  determined  to possess
overwhelming  safety  characteristics  will  be  denoted  with a plus  (+)  sign
designation.

     Issuers (or related  supporting  institutions)  rated P-1 by Moody's have a
superior  capacity  for  repayment of  short-term  promissory  obligations.  P-1
repayment capacity will normally be evidenced by the following characteristics:


     --  Leading market positions in well-established industries.

     --  High rates of return on funds employed.

     -- Conservative  capitalization  structures with moderate  reliance on debt
        and ample asset protection.

     -- Broad margins in earnings  coverage of fixed financial  charges and high
        internal cash generation.

     -- Well-established  access to a range of  financial  markets  and assured
        sources of alternate liquidity.
<PAGE>

     The commercial paper rating is not a  recommendation  to purchase or sell a
security.  The ratings are based on current information  furnished to Standard &
Poor's by the issuer or obtained from other sources it considers  reliable.  The
ratings  may be changed,  suspended  or  withdrawn  as a result of changes in or
unavailability of such information.



Bond Ratings


     In  addition  to Wright  quality  ratings,  bonds or bond  insurers  may be
expected to have credit risk ratings assigned by the two major rating companies,
Moody's and Standard & Poor's.  Moody's uses a nine-symbol system with Aaa being
the highest rating and C the lowest.  Standard & Poor's uses a 10-symbol  system
that ranges from AAA to D. Bonds within the top four categories of Moody's (Aaa,
Aa, A, and Baa) and of Standard & Poor's (AAA, AA, A, and BBB) are considered to
be of investment-grade quality. Only the top three grades are acceptable for the
taxable Income Funds and only the top two grades are acceptable for the tax-free
Income Funds.  Note that both Standard & Poor's and Moody's currently give their
highest  rating to issuers  insured by the  American  Municipal  Bond  Assurance
Corporation  (AMBAC) or by the Municipal  Bond Investors  Assurance  Corporation
(MBIA).

     Bonds rated A by Standard & Poor's have a strong  capacity to pay principal
and interest, although they are somewhat more susceptible to the adverse effects
of change in  circumstances  and economic  conditions  than debt in higher-rated
categories.  The rating of AA is  accorded to issues  where the  capacity to pay
principal  and  interest  is very strong and they differ from AAA issues only in
small  degree.  The AAA rating  indicates  an extremely  strong  capacity to pay
principal and interest.

     Bonds  rated A by Moody's are judged by Moody's to possess  many  favorable
investment  attributes  and are  considered  as upper medium grade  obligations.
Bonds  rated Aa by Moody's  are  judged by Moody's to be of high  quality by all
standards. Together with the Aaa group they comprise what are generally known as
high-grade  bonds.  They are rated  lower  than Aaa  bonds  because  margins  of
protection may not be as large or fluctuations of protective  elements may be of
greater degree or there may be other  elements  present which make the long-term
risks appear somewhat larger. Bonds rated Aaa by Moody's are judged to be of the
best quality.  Interest payments are protected by a large or by an exceptionally
stable margin and principal is secure. While the various protective elements are
likely to change,  such changes as can be visualized are most unlikely to impair
the fundamentally strong position of such issuers.
<PAGE>


                                     PART C

                                Other Information


Item 24. Financial Statements and Exhibits

     (a) Financial Statements

         Included in Part A:

              Financial  Highlights for Wright  Selected Blue Chip Portfolio and
              Wright International Blue Chip Portfolio for the three years ended
              December  31, 1997 and for the period from the start of  business,
              January 6, 1994 to December 31, 1994.

         Included in Part B:

              INCORPORATED BY REFERENCE TO THE ANNUAL REPORT FOR THE FUNDS DATED
              DECEMBER  31,1997,   FILED  ELECTRONICALLY   PURSUANT  TO  SECTION
              30(b)(2)  OF THE  INVESTMENT  COMPANY ACT OF 1940  (Accession  No.
              0000715165-98-000004).

              For Wright  International  Blue Chip Portfolio and Wright Selected
                  Blue Chip  Portfolio :
                Portfolio of Investments as of December 31, 1997 
                Statements of Assets and  Liabilities as of December 31, 1997 
                Statements of Operations for the year ended December  31, 1997 
                Statements  of Changes in Net Assets for each of the two years 
                 ended December 31, 1997 
                Notes  to  Financial Statements
                Independent Auditors' Report

     (b) Exhibits:

         (1)  (a) Amended and Restated  Declaration of Trust dated September
                  16, 1993 filed as Exhibit (1)(a) to Post  Effective  Amendment
                  No.  4  filed  April  30,  1997  and  incorporated  herein  by
                  reference.
              (b) Form of Amended and Restated  Establishment and Designation of
                  Series of Shares filed as Exhibit (1)(b) herewith.

         (2)  By-laws filed as Exhibit (2) to Post Effective Amendment No. 4 
              filed April 30, 1997 and incorporated herein by reference.

         (3)  Not Applicable

         (4)  Not Applicable

         (5)  (a) Investment Advisory Contract dated August 10, 1993 between
                  the Registrant and Wright Investors'  Service filed as Exhibit
                  (5)(a) to Post-Effective  Amendment No. 4 filed April 29, 1996
                  and incorporated herein by reference.
              (b) Amended  and  Restated  Administration  Agreement  between the
                  Registrant and Eaton Vance  Management  dated February 1, 1998
                  filed as Exhibit (5)(b) herewith.

         (6)  Not Applicable

         (7)  Not Applicable
<PAGE>

         (8)  (a) Custodian  Agreement  dated  August  10,  1993  with 
                  Investors  Bank & Trust  Company  filed as  Exhibit (8)(a) to
                  Post-Effective Amendment No. 4 filed April 29, 1996 and
                  incorporated herein by reference.
              (b) Amendment  dated  September  20,  1995  to  Master   Custodian
                  Agreement filed as Exhibit (8)(b) to Post-Effective  Amendment
                  No.  4  filed  April  29,  1996  and  incorporated  herein  by
                  reference.

         (9)  Service Agreement dated February 1, 1996 between Wright Investors'
              Service, Inc. and The Winthrop Corporation filed as Exhibit (9) to
              Post-Effective   Amendment   No.  4  filed   April  29,  1996  and
              incorporated herein by reference.

        (10)  Opinion of Hale and Dorr dated April 7, 1998 filed as Exhibit (10)
              herewith.

        (11)  Consent of Independent Public Accountants filed as Exhibit (11
              herewith.

        (12)  Not Applicable

        (13)  Not Applicable

        (14)  Not Applicable

        (15)  Not Applicable

        (16)  The  Performance  Information of the Registrant is Incorporated by
              Reference from Part B, the Statement of Additional Information.

        (17)  Power of Attorney dated March 25, 1998 filed as Exhibit (17)
              herewith.



Item 25.  Persons Controlled By or Under Common Control with Registrant

Not Applicable



Item 26.  Number of Holders of Securities

       Title of Class             Number of Record Holders as of March 31, 1998
- -------------------------------------------------------------------------------

      Shares of Beneficial Interest
         Wright Selected Blue Chip Portfolio (WSBCP)                 1
         Wright International Blue Chip Portfolio (WIBCP)            1

- -------------------------------------------------------------------------------



Item 27.  Indemnification

Except for the Amended and Restated  Declaration  of Trust dated  September  16,
1993 establishing the Registrant as a Trust under Massachusetts law, there is no
contract,  arrangement or statute under which any director, officer, underwriter
or  affiliated  person  of  the  Registrant  is  insured  or  indemnified.   The
Declaration  of Trust  provides  that no Trustee or officer will be  indemnified
against any  liability  of which the  Registrant  would  otherwise be subject by
reason of or for willful  misfeasance,  bad faith,  gross negligence or reckless
disregard of such person's duties.

Registrant's  Trustees  and  officers  are insured  under a standard  investment
company errors and omissions  insurance  policy covering loss incurred by reason
of negligent errors and omissions committed in their capacities as such.
<PAGE>


Item 28.  Business and Other Connections of Investment Adviser

Reference is made to the information set forth under the caption  "Management of
the Trust" in the  Statement of Additional  Information,  which  information  is
incorporated herein by reference.



Item 29.  Principal Underwriter

Not Applicable.




Item 30.  Location of Accounts and Records

All applicable  accounts,  books and documents  required to be maintained by the
Registrant by Section 31(a) of the Investment  Company Act of 1940 and the Rules
promulgated  thereunder are in the  possession  and custody of the  Registrant's
custodian,  Investors Bank & Trust Company,  200 Clarendon  Street,  Boston,  MA
02116, and its transfer agent, First Data Investor Services Group, 4400 Computer
Drive,  Westborough,  MA  01581-5120,  with the  exception of certain  corporate
documents and portfolio trading documents which are either in the possession and
custody of the Registrant's  administrator,  Eaton Vance Management,  24 Federal
Street,  Boston,  MA  02110  or of the  investment  adviser,  Wright  Investors'
Service, 1000 Lafayette Boulevard,  Bridgeport, CT 06604. Registrant is informed
that all applicable  accounts,  books and documents required to be maintained by
registered investment advisers are in the custody and possession of Registrant's
administrator,  Eaton Vance  Management,  or of the investment  adviser,  Wright
Investors' Service, Inc.




Item 31.  Management Services

Not Applicable




Item 32.  Undertakings

The annual report also contains performance  information and is available to any
recipient of the  Prospectus  upon request and without  charge by writing to the
Wight  Investors'  Service   Distributors,   Inc.,  1000  Lafayette   Boulevard,
Bridgeport, Connecticut 06604.
<PAGE>

                                   Signatures

Pursuant to the  requirements  of the  Securities Act of 1933 and the Investment
Company  Act  of  1940,  the  Registrant  certifies  that  it  meets  all of the
requirements for  effectiveness of this amendment to the Registration  Statement
pursuant to Rule  485(b)  under the  Securities  Act of 1933 and has duly caused
this Amendment to the  Registration  Statement to be signed on its behalf by the
undersigned,  thereunto duly authorized, in the City of Boston, and Commonwealth
of Massachusetts on the 28th day of April, 1998.

                                     THE WRIGHT MANAGED BLUE CHIP SERIES TRUST


                                      By:      Peter M. Donovan*
                                         ----------------------------------
                                               Peter M. Donovan, President


Pursuant to the  requirements  of the Securities Act of 1933,  this Amendment to
its Registration Statement has been signed below by the following persons in the
capacities and on the 28th day of April, 1998.

SIGNATURE                                     TITLE
- -------------------------------------------------------------------------------

Peter M. Donovan*                          President
- ------------------           (Principal Executive Officer & Trustee)
Peter M. Donovan              

James L. O'Connor*                  Treasurer and Principal
- ------------------            Financial and Accounting Officer
James L. O'Connor            

H. Day Brigham, Jr.*                        Trustee
- ----------------------
H. Day Brigham, Jr.

Judith R. Corchard*                         Trustee
- ----------------------
Judith R. Corchard

Winthrop S. Emmet*                          Trustee
- ----------------------
Winthrop S. Emmet

Michael F. Flament*                         Trustee
- ----------------------
Michael F. Flament

Leland F. Miles*                            Trustee
- ----------------------
Leland F. Miles

A. M. Moody III*                            Trustee
- ---------------------
A. M. Moody III

Lloyd F. Pierce*                            Trustee
- ---------------------
Lloyd F. Pierce

Richard E.Taber*                            Trustee
- ---------------------
Richard E. Taber

Raymond Van Houtte*                         Trustee
- ---------------------
Raymond Van Houtte

* By: /s/ Alan R. Dynner
- -------------------------
Alan R. Dynner
Attorney-in-Fact
<PAGE>


                                  Exhibit Index


     The  following  exhibits  are  filed  as  part  of  this  amendment  to the
Registration Statement pursuant to General Instructions E of Form N-1A.


                                                                     Page in
                                                                    Sequential
                                                                    Numbering
Exhibit No.       Description                                       System
- ------------------------------------------------------------------------------

   (1) (b)        Form of Amended and Restated Establishment and Designation of
                  Series of Shares.

   (5)            (b) Amended and Restated Administration  Agreement between the
                  Registrant and Eaton Vance Management dated February 1, 1998.

  (10)            Opinion of Hale and Dorr dated April 7, 1998

  (11)            Consent of Independent Certified Public Accountants.

  (17)            Power of Attorney dated March 25, 1998.


                                    FORM OF

                    THE WRIGHT MANAGED BLUE CHIP SERIES TRUST

                              Amended and Restated
                Establishment and Designation of Series of Shares
                    of Beneficial Interest, Without Par Value

     WHEREAS,  pursuant to an Amended and Restated Establishment and Designation
of Series dated September 16, 1993, the Trustees of The Wright Managed Blue Chip
Series Trust, a  Massachusetts  business trust (the "Trust"),  redesignated  the
shares  of  beneficial  interest  of the  Trust  into six  separate  series  (or
Portfolios); and

     WHEREAS, the Trustees now desire to terminate and liquidate,  effective May
1, 1998,  two (2) of its  existing  series,  i.e.  Wright  Managed  Money Market
Portfolio  and Wright  Government  Obligations  Portfolio,  and to terminate and
liquidate,  effective May , 1998, two (2) of its existing  series,  i.e.  Wright
Near Term Bond  Portfolio  and Wright Total Return Bond  Portfolio,  pursuant to
Section 5.5. (viii) of Article V of the Declaration of Trust.

     NOW,  THEREFORE,  the  undersigned,  being at least a majority  of the duly
elected and qualified  Trustees presently in office of the Trust acting pursuant
to Section 5.5. (viii) of Article V of the Declaration of Trust, hereby redivide
the  shares of  beneficial  interest  of the Trust into the  following  separate
series  (or  Portfolios)  of the Trust,  each  Portfolio  to have the  following
special and relative rights:

     1. The Portfolios shall be designated as follows:

               Wright Selected Blue Chip Portfolio
               Wright International Blue Chip Portfolio


     2. Each  Portfolio  shall be  authorized  to  invest  in cash,  securities,
instruments  and other  property as from time to time  described  in the Trust's
then currently effective registration statement under the Securities Act of 1933
and the  Investment  Company Act of 1940.  Each share of beneficial  interest of
each Portfolio ("share") shall be redeemable,  shall be entitled to one vote (or
fraction thereof in respect of a fractional share) on matters on which shares of
that  Portfolio  shall  be  entitled  to vote  and  shall  represent  a pro rata
beneficial  interest in the assets allocated to that Portfolio,  all as provided
in the  Declaration  of Trust.  The  proceeds of sales of shares of a Portfolio,
together  with any income and gain  thereon,  less any  diminution  or  expenses
thereof,  shall irrevocably belong to that Portfolio,  unless otherwise required
by law.  Each share of a  Portfolio  shall be  entitled  to receive its pro rata
share of net assets of that Portfolio upon liquidation of that Portfolio.

     3.  Shareholders  of each Portfolio shall vote separately as a class to the
extent  provided  in Rule  18f-2,  as from  time to time in  effect,  under  the
Investment Company Act of 1940, as amended.

     4. The assets and  liabilities  of the Trust shall be  allocated  among the
above  referenced  Portfolios  as set forth in Section  5.5. of Article V of the
Declaration of Trust, except as provided below.

     (a) Costs incurred by the Trust in connection with its initial organization
and start-up,  including Federal and state  registration and qualification  fees
and  expenses  of the  initial  offering  of such  Portfolio  shares,  shall (if
applicable) be borne by the respective  Portfolios of the Trust and deferred and
amortized  over the five year period  beginning on the date that such  Portfolio
commences operations.
<PAGE>
                                      -2-

     (b) The  liabilities,  expenses,  costs,  charges or  reserves of the Trust
(other than the management and  investment  advisory fees or the  organizational
expenses paid by the Trust) which are not readily  identifiable  as belonging to
any particular Portfolio shall be allocated among the Portfolios on an equitable
basis as determined by the Trustees.

     (c) The Trustees may from time to time in  particular  cases make  specific
allocation of assets or liabilities among the Portfolios.

     5. A majority of the Trustees (including any successor Trustees) shall have
the right at any time and from time to time to reallocate assets and expenses or
to change the  designation  of any  Portfolio  now or hereafter  created,  or to
otherwise  change the special and relative rights of any such Portfolio,  and to
terminate  any  Portfolio  or  add  additional  Portfolios  as  provided  in the
Declaration of Trust.


______________________________               ______________________________
Peter M. Donovan                             Leland Miles


______________________________               ______________________________
H. Day Brigham, Jr.                          A. M. Moody, III


______________________________               ______________________________
Judith R. Corchard                           Lloyd F. Pierce


______________________________               ______________________________
Winthrop S. Emmet                            Richard E. Taber


______________________________               ______________________________
Michael F. Flament                           Raymond Van Houtte




__________________, 1998



                    THE WRIGHT MANAGED BLUE CHIP SERIES TRUST

                  AMENDED AND RESTATED ADMINISTRATION AGREEMENT


     AGREEMENT  made this 1st day of February,  1998,  by and between The Wright
Managed Blue Chip Series Trust, a Massachusetts business trust (the "Trust"), on
behalf of the series of the Trust  listed on Schedule A attached  hereto,  which
may be updated from time to time, and Eaton Vance  Management,  a  Massachusetts
business trust (the "Administrator"):

     1. DUTIES OF THE ADMINISTRATOR.  The Trust hereby employs the Administrator
to  administer  the  affairs of the Trust,  subject  to the  supervision  of the
Trustees  of the  Trust  for the  period  and on the  terms  set  forth  in this
Agreement.  The Administrator shall perform these duties with respect to any and
all series of shares ("Funds") which may be established by the Trustees pursuant
to the  Declaration of Trust of the Trust and listed on Schedule A. Funds may be
terminated and additional  Funds  established from time to time by action of the
Trustees of the Trust.

     The Administrator hereby accepts such employment,  and agrees to administer
the Trust's  business affairs and, in connection  therewith,  to furnish for the
use of the Trust office space and all necessary office facilities, equipment and
personnel for  administering  the affairs of the Trust,  and to pay the salaries
and fees of all  officers  and  Trustees  of the  Trust who are  members  of the
Administrator's  organization and all personnel of the Administrator  performing
management and  administrative  services for the Trust. The Administrator  shall
for all purposes  herein be deemed to be an  independent  contractor  and shall,
except as otherwise  expressly provided or authorized,  have no authority to act
for or  represent  the Trust in any way or  otherwise  be deemed an agent of the
Trust.

     2.  COMPENSATION  OF THE  ADMINISTRATOR.  For the  services,  payments  and
facilities to be furnished  hereunder by the Administrator,  the Trust shall pay
to the  Administrator  on the last day of each month a fee equal (annually) to a
percentage of the average daily net assets of each Fund of the Trust  throughout
the month, computed in accordance with the Declaration of Trust of the Trust and
any  applicable  votes of the  Trustees of the Trust,  as shown in Schedule B to
this Agreement.

     In case of initiation or termination of the Agreement during any month with
respect to any Fund, the fee for that month shall be reduced  proportionately on
the basis of the number of calendar  days  during  which it is in effect and the
fee shall be computed upon the average net assets for the business days it is so
in effect for that month.

     The Administrator  may, from time to time, waive all or a part of the above
compensation.

     3. ALLOCATION OF CHARGES AND EXPENSES. It is understood that the Trust will
pay all its  expenses  other  than those  expressly  stated to be payable by the
Administrator  hereunder,  which  expenses  payable by the Trust shall  include,
without implied limitation, (i) expenses of maintaining the Trust and continuing
its existence,  (ii) registration of the Trust under the Investment  Company Act
of 1940, (iii) commissions,  fees and other expenses connected with the purchase
or sale of securities,  (iv) auditing,  accounting and legal expenses, (v) taxes
and interest,  (vi) governmental fees, (vii) expenses of issue, sale, repurchase
and  redemption of shares,  (viii)  expenses of  registering  and qualifying the
Trust and its shares under  federal and state  securities  laws and of preparing
and printing  prospectuses  for such purposes and for  distributing  the same to
<PAGE>
                                      -2-

shareholders and investors, and fees and expenses of registering and maintaining
registrations of the Trust and of the Trust's principal underwriter,  if any, as
a broker-dealer  or agent under state  securities laws, (ix) expenses of reports
and  notices  to  shareholders   and  of  meetings  of  shareholders  and  proxy
solicitations  therefor,  (x) expenses of reports to  governmental  officers and
commissions,  (xi) insurance expenses, (xii) association membership dues, (xiii)
fees,  expenses  and  disbursements  of  custodians  and  subcustodians  for all
services to the Trust  (including  without  limitation  safekeeping of funds and
securities, keeping of books and accounts and determination of net asset value),
(xiv) fees,  expenses and disbursements of transfer agents,  dividend disbursing
agents,  shareholder  servicing  agents and  registrars  for all services to the
Trust,  (xv)  expenses  for  servicing  shareholder  accounts,  (xvi) any direct
charges  to  shareholders   approved  by  the  Trustees  of  the  Trust,  (xvii)
compensation  of and  any  expenses  of  Trustees  of  the  Trust,  (xviii)  the
investment  advisory fee payable to the Trust's  investment  adviser,  and (xix)
such non-recurring items as may arise, including expenses incurred in connection
with  litigation,  proceedings  and  claims and the  obligation  of the Trust to
indemnify its Trustees and officers with respect thereto.

     4.  OTHER  INTERESTS.   It  is  understood  that  Trustees,   officers  and
shareholders  of  the  Trust  are  or  may  be  or  become   interested  in  the
Administrator as trustees,  officers,  employees,  shareholders or otherwise and
that trustees,  officers, employees and shareholders of the Administrator are or
may be or become similarly  interested in the Trust, and that the  Administrator
may be or become  interested in the Trust as a shareholder  or otherwise.  It is
also  understood  that trustees,  officers,  employees and  shareholders  of the
Administrator  may be or become  interested (as directors,  trustees,  officers,
employees, stockholders or otherwise) in other companies or entities (including,
without  limitation,  other investment  companies) which the  Administrator  may
organize,  sponsor or acquire,  or with which it may merge or  consolidate,  and
that  the  Administrator  or its  subsidiaries  or  affiliates  may  enter  into
advisory,   management  or  administration  agreements  or  other  contracts  or
relationship with such other companies or entities.

     5.  LIMITATION  OF  LIABILITY  OF THE  ADMINISTRATOR.  The  services of the
Administrator  to  the  Trust  are  not  to  be  deemed  to  be  exclusive,  the
Administrator  being  free to  render  services  to others  and  engage in other
business  activities.  In the absence of willful  misfeasance,  bad faith, gross
negligence or reckless  disregard of obligations or duties hereunder on the part
of the Administrator, the Administrator shall not be subject to liability to the
Trust or to any  shareholder  of the Trust for any act or omission in the course
of, or connected with,  rendering services hereunder or for any losses which may
be  sustained  in the  purchase,  holding  or  sale  of any  security  or  other
instrument, including options and futures contracts.

     6. DURATION AND TERMINATION OF THIS AGREEMENT.  This Agreement shall become
effective  upon the date of its  execution,  and,  unless  terminated  as herein
provided, shall remain in full force and effect as to each Fund to and including
February  28,  1999 and shall  continue in full force and effect as to each Fund
indefinitely thereafter, but only so long as such continuance after February 28,
1999 is specifically approved at least annually by the Trustees of the Trust.

     Either  party  hereto may,  at any time on sixty (60) days'  prior  written
notice to the  other,  terminate  this  Agreement  as to any Fund,  without  the
payment of any  penalty,  by action of the Trustees of the Trust or the trustees
of the  Administrator,  as the case may be, and the Trust may,  at any time upon
such written  notice to the  Administrator,  terminate  this Agreement as to any
Fund by vote of a majority of the  outstanding  voting  securities of that Fund.
This Agreement shall terminate automatically in the event of its assignment.
<PAGE>
                                      -3-

     7.  AMENDMENTS OF THE  AGREEMENT.  This  Agreement may be amended as to any
Fund by a writing signed by both parties  hereto,  provided that no amendment to
this  Agreement  shall be effective  until approved by the vote of a majority of
the Trustees of the Trust.

     8. LIMITATION OF LIABILITY.  The Administrator  expressly  acknowledges the
provision  in the  Declaration  of  Trust of the  Trust  limiting  the  personal
liability of shareholders of the Trust, and the Administrator hereby agrees that
it shall have  recourse  to the Trust for  payment of claims or  obligations  as
between the Trust and the Administrator  arising out of this Agreement and shall
not seek  satisfaction from the shareholders or any shareholder of the Trust. No
Fund shall be liable for the obligations of any other Fund hereunder.

     9. CERTAIN  DEFINITIONS.  The terms  "assignment" and "interested  persons"
when used herein shall have the respective  meanings specified in the Investment
Company Act of 1940 as now in effect or as hereafter  amended subject,  however,
to such  exemptions as may be granted by the Securities and Exchange  Commission
by  any  rule,  regulation  or  order.  The  term  "vote  of a  majority  of the
outstanding voting securities of that Fund" shall mean the vote of the lesser of
(a) 67 per  centum  or more of the  shares of the  particular  Fund  present  or
represented by proxy at the meeting of the holders of more than 50 per centum of
the  outstanding  shares of the  particular  Fund are present or  represented by
proxy at the meeting,  or (b) more than 50 per centum of the outstanding  shares
of the particular Fund.

     IN WITNESS  WHEREOF,  the parties  hereto have caused this  Agreement to be
executed on the day and year first written above.



THE WRIGHT MANAGED BLUE CHIP                EATON VANCE MANAGEMENT
   SERIES TRUST

By: /s/ Peter M. Donovan                    By: /s/ Benjamin A. Rowland, Jr.
   --------------------------                  ------------------------------
   President                                   Vice President,
                                               and not individually
<PAGE>
                                      -4-


                    THE WRIGHT MANAGED BLUE CHIP SERIES TRUST

                                   SCHEDULE A




                                February 1, 1998


Wright Near Term Bond Portfolio
Wright Total Return Portfolio
Wright Selected Blue Chip Portfolio
Wright International Blue Chip Portfolio
Wright Managed Money Market Portfolio
Wright Government Obligations Portfolio
<PAGE>
                                      -5-


                    THE WRIGHT MANAGED BLUE CHIP SERIES TRUST

                                   SCHEDULE B




                                February 1, 1998



                                                        FEE STRUCTURE
                                                        -------------

                                                 Under                  Over
                                             $100 Million           $100 Million
                                             ------------           ------------

Wright Near Term Bond Portfolio                   0.05%                  0.04%
Wright Total Return Portfolio                     0.05%                  0.04%
Wright Selected Blue Chip Portfolio               0.05%                  0.04%
Wright International Blue Chip Portfolio          0.05%                  0.04%
Wright Managed Money Market Portfolio             0.05%                  0.04%
Wright Government Obligations Portfolio           0.05%                  0.04%



                               HALE AND DORR LLP
                               Counsellors at Law
                  60 State Street, Boston, Massachusetts 02109
                         617-526-6000 o fax 617-526-5000




                                   April 7, 1998


The Wright Managed Blue Chip Series Trust
24 Federal Street
Boston, Massachusetts  02110

Ladies and Gentlemen:

     The Wright Managed Blue Chip Series Trust (the "Trust") is a  Massachusetts
business  trust  created  under a  Declaration  of  Trust  dated,  executed  and
delivered in Boston, Massachusetts on April 15, 1993, as amended and restated on
September 16, 1993, and as further  amended from time to time (as so amended and
restated the "Declaration of Trust").  The beneficial  interests  thereunder are
represented by transferable shares of beneficial interest without par value.

     The Trustees have the powers set forth in the Declaration of Trust, subject
to the terms, provisions and conditions therein provided. Pursuant to Article V,
Section  5.1 of the  Declaration  of Trust,  the number of shares of  beneficial
interest authorized to be issued under the Declaration of Trust is unlimited and
the  Trustees  are  authorized  to divide the shares  into one or more series of
shares and one or more  classes  thereof as they deem  necessary  or  desirable.
Pursuant to Article V, Section 5.4 of the Declaration of Trust, the Trustees are
empowered  in  their   discretion  to  issue  shares  of  any  series  for  such
consideration, whether cash or other property, and on such terms as the Trustees
may deem  appropriate  or  advisable,  all  without  action or  approval  of the
shareholders.  Pursuant to Article V, Section 5.5 of the  Declaration  of Trust,
the Trustees have established two separate series of shares  designated  "Wright
Selected Blue Chip Portfolio" and "Wright International Blue Chip Portfolio".

     The Trustees have voted to authorize the officers of the Trust to determine
the  appropriate  number  of  shares  to be  registered,  to  register  with the
Securities and Exchange  Commission,  and to issue and sell to the public,  such
shares.

     We have examined the Declaration of Trust and By-Laws, each as amended from
time to time, of the Trust, resolutions of the Board of Trustees relating to the
authorization  and issuance of shares of beneficial  interest of the Trust,  and
such other documents as we have deemed necessary or appropriate for the purposes
of this opinion,  including,  but not limited to, originals, or copies certified
or otherwise  identified to our satisfaction,  of such documents,  Trust records



WASHINGTON, DC                  BOSTON, MA                           LONDON, UK*
- --------------------------------------------------------------------------------
              HALE AND DORR LLP INCLUDES PROFESSIONAL CORPORATIONS
  *BROBECK HALE AND DORR INTERNATIONAL (AN INDEPENDENT JOINT VENTURE LAW FIRM)
<PAGE>
The Wright Managed Blue Chip Series Trust
April 7, 1998
Page 2

and  other  instruments.  In our  examination  of the above  documents,  we have
assumed the  genuineness of all  signatures,  the  authenticity of all documents
submitted to us as originals  and the  conformity  to original  documents of all
documents submitted to us as certified of photostatic copies.

     For purposes of this opinion letter, we have not made an independent review
of the  laws of any  state  or  jurisdiction  other  than  The  Commonwealth  of
Massachusetts   and  express  no  opinion  with  respect  to  the  laws  of  any
jurisdiction other than the laws of The Commonwealth of Massachusetts.  Further,
we  express no opinion  as to  compliance  with any state or federal  securities
laws, including the securities laws of The Commonwealth of Massachusetts.

     Our opinion below, as it relates to the  non-assessability of the shares of
the Trust, is qualified to the extent that under Massachusetts law, shareholders
of a  Massachusetts  business  trust  may be  held  personally  liable  for  the
obligations of the Trust.  In this regard,  however,  please be advised that the
Declaration of Trust disclaims  shareholder liability for acts or obligations of
the Trust and  permits  notice of such  disclaimer  to be given in each  written
obligation,  contract,  instrument,  certificate,  share,  other security of the
Trust or a series thereof or  undertaking  made or issued by the Trustees of the
Trust. Also, the Declaration of Trust provides for  indemnification out of Trust
property for all loss and expense of any shareholder held personally  liable for
the obligations of the Trust.

     We are of the opinion  that all  necessary  Trust  action  precedent to the
issuance of the shares of beneficial  interest of the Trust has been duly taken,
and that all such  shares may  legally  and  validly  be issued for among  other
things,  cash, and when sold will be, fully paid and non-assessable by the Trust
upon receipt by the Trust or its agent of  consideration  therefor in accordance
with terms described in the Trust's Declaration of Trust,  subject to compliance
with the Securities Act of 1933, as amended, the Investment Company Act of 1940,
as amended, and the applicable state laws regulating the sale of securities.

     We consent to your filing this  opinion  with the  Securities  and Exchange
Commission as an exhibit to any amendments to the Trust's registration statement
with the Commission.  Except as provided in this paragraph, this opinion may not
be relied upon by, or filed with, any other parties or for any other purpose.


                                   Very truly yours,

                                   /s/ Hale and Dorr LLP

                                   Hale and Dorr LLP





                                                                  EXHIBIT 11

                          Independent Auditors' Consent


     We  consent  to the  use in  this  Post-Effective  Amendment  No.  5 to the
Registration  Statement (1933 Act File No.  33-61314) of The Wright Managed Blue
Chip Series Trust of our report dated January 30, 1998 which is  incorporated by
reference  in the  Statement  of  Additional  Information  which is part of such
Registration Statement.

     We also consent to the  reference to our firm under the caption  "Financial
Highlights" in the Prospectus  and under the caption  "Financial  Statements" in
the Statement of Additional Information of the Registration Statement.


/s/ Deloitte & Touche LLP
DELOITTE & TOUCHE LLP

Boston, Massachusetts
April 28, 1998



                                POWER OF ATTORNEY

     We, the  undersigned  officers and Trustees of The Wright Managed Blue Chip
Series Trust, a Massachusetts business trust, do hereby severally constitute and
appoint H. Day Brigham,  Jr., Peter M. Donovan,  Alan R. Dynner and A.M.  Moody,
III, or any of them, to be true,  sufficient and lawful  attorneys,  or attorney
for  each  of us,  to sign  for  each  of us,  in the  name of each of us in the
capacities indicated below, and any and all amendments (including post-effective
amendments)  to the  Registration  Statement  on Form N-1A  filed by The  Wright
Managed Blue Chip Series Trust with the  Securities  and Exchange  Commission in
respect of shares of beneficial interest and other documents and papers relating
thereto.

     IN WITNESS WHEREOF we have hereunto set our hands on the dates set opposite
our respective signatures.

      Name                       Capacity                          Date
      ----                       --------                          ----

                             President, Principal
/s/ Peter M. Donovan         Executive Officer and
- ------------------------     Trustee                          March 25, 1998
Peter M. Donovan
                             Treasurer and Principal
/s/ James L. O'Connor        Financial and Accounting
- ------------------------     Officer                          March 25, 1998
James L. O'Connor

/s/ H. Day Brigham, Jr.
- ------------------------     Trustee                          March 25, 1998
H. Day Brigham, Jr.

/s/ Judith R. Corchard
- ------------------------     Trustee                          March 25, 1998
Judith R. Corchard

/s/ Winthrop S. Emmet
- ------------------------     Trustee                          March 25, 1998
Winthrop S. Emmet

/s/ Michael F. Flament
- ------------------------     Trustee                          March 25, 1998
Michael F. Flament

/s/ Leland Miles
- ------------------------     Trustee                          March 25, 1998
Leland Miles

/s/ A.M. Moody, III
- -----------------------      Trustee                          March 25, 1998
A.M. Moody, III

/s/ Lloyd F. Pierce
- -----------------------      Trustee                          March 25, 1998
Lloyd F. Pierce

/s/ Richard E. Taber
- -----------------------      Trustee                          March 25, 1998
Richard E. Taber

/s/ Raymond Van Houtte
- -----------------------      Trustee                          March 25, 1998
Raymond Van Houtte


[ARTICLE] 6
[CIK] 0000901382
[NAME] WRIGHT MANAGED BLUE CHIP SERIES TRUST
[SERIES]
   [NUMBER] 3
   [NAME] WRIGHT SELECTED BLUE CHIP PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   12-MOS
[FISCAL-YEAR-END]                          DEC-31-1997
[PERIOD-END]                               DEC-31-1997
[INVESTMENTS-AT-COST]                        2,468,289
[INVESTMENTS-AT-VALUE]                       3,356,322
[RECEIVABLES]                                    3,519
[ASSETS-OTHER]                                   1,785
[OTHER-ITEMS-ASSETS]                            74,776
[TOTAL-ASSETS]                               3,436,402
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                       11,371
[TOTAL-LIABILITIES]                             11,371
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                     2,188,405
[SHARES-COMMON-STOCK]                          218,888
[SHARES-COMMON-PRIOR]                                0
[ACCUMULATED-NII-CURRENT]                       40,694
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                        307,899
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                       888,033
[NET-ASSETS]                                 3,425,031
[DIVIDEND-INCOME]                               56,638
[INTEREST-INCOME]                                    0
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                  35,120
[NET-INVESTMENT-INCOME]                         21,518
[REALIZED-GAINS-CURRENT]                       307,898
[APPREC-INCREASE-CURRENT]                      521,436
[NET-CHANGE-FROM-OPS]                          850,852
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                       427,615
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                         19,861
[NUMBER-OF-SHARES-REDEEMED]                     26,212
[SHARES-REINVESTED]                             34,653
[NET-CHANGE-IN-ASSETS]                         756,567
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                           19,920
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                 55,438
[AVERAGE-NET-ASSETS]                         3,066,793
[PER-SHARE-NAV-BEGIN]                            14.00
[PER-SHARE-NII]                                  0.110
[PER-SHARE-GAIN-APPREC]                          3.780
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                      (2.240)
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              15.65
[EXPENSE-RATIO]                                   1.30
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000901382
[NAME] WRIGHT MANAGED BLUE CHIP SERIES TRUST
[SERIES]
   [NUMBER] 4
   [NAME] WRIGHT INTERNATIONAL BLUE CHIP PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   12-MOS
[FISCAL-YEAR-END]                          DEC-31-1997
[PERIOD-END]                               DEC-31-1997
[INVESTMENTS-AT-COST]                        1,125,897
[INVESTMENTS-AT-VALUE]                       1,326,748
[RECEIVABLES]                                   38,585
[ASSETS-OTHER]                                   1,781
[OTHER-ITEMS-ASSETS]                            74,836
[TOTAL-ASSETS]                               1,441,950
[PAYABLE-FOR-SECURITIES]                        25,180
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                        6,082
[TOTAL-LIABILITIES]                             31,262
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                     1,134,367
[SHARES-COMMON-STOCK]                          119,536
[SHARES-COMMON-PRIOR]                                0
[ACCUMULATED-NII-CURRENT]                        5,001
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                         70,543
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                       200,777
[NET-ASSETS]                                 1,410,688
[DIVIDEND-INCOME]                               34,620
[INTEREST-INCOME]                                    0
[OTHER-INCOME]                                 (3,263)
[EXPENSES-NET]                                  27,617
[NET-INVESTMENT-INCOME]                          3,740
[REALIZED-GAINS-CURRENT]                        70,743
[APPREC-INCREASE-CURRENT]                       16,476
[NET-CHANGE-FROM-OPS]                           90,959
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                        81,308
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                         20,821
[NUMBER-OF-SHARES-REDEEMED]                   (32,123)
[SHARES-REINVESTED]                              7,439
[NET-CHANGE-IN-ASSETS]                        (46,384)
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                           11,960
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                 64,275
[AVERAGE-NET-ASSETS]                         1,494,821
[PER-SHARE-NAV-BEGIN]                            11.81
[PER-SHARE-NII]                                  0.032
[PER-SHARE-GAIN-APPREC]                          0.588
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                      (0.630)
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              11.80
[EXPENSE-RATIO]                                   2.00
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>



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