PRINCIPAL CASH MANAGEMENT FUND INC /MD/
N-14, 1999-01-29
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                                                           File No. 333-    
                     U.S. SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM N-14

             REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

Pre-Effective Amendment No. .........  Post-Effective Amendment No. .........
                        (Check appropriate box or boxes)

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

Exact Name of Registrant as                     Area Code and Telephone Number:
     Specified in Charter:
  Principal Cash Management Fund, Inc.                  (800) 247-4123

Address of Principal Executive Offices: (Number, Street, City, State, Zip Code)

711 High Street, Des Moines, Iowa 50392

Name and Address of Agent for Service:              With a copy to:

  Michael D. Roughton                         John W. Blouch
  Counsel                                     Jones & Blouch L.L.P.
  Principal Cash Management Fund, Inc.        1025 Thomas Jefferson Street, N.W.
  711 High Street                             Suite 405 West
  Des Moines, Iowa 50392                      Washington, D.C. 20007

  Approximate Date of Proposed Public Offering:  As soon as practicable after
the effective date of this Registration Statement.
- ------------------------------------------------------------------------------

Title of Securities  Being  Registered: Class A Common  Stock, 
                                        par value $.01 per share.

  No filing fee is  required  because of  reliance  on Section  24(f)  under the
Investment Company Act of 1940, as amended.
- ------------------------------------------------------------------------------

It is proposed that this filing will become effective on March 1, 1999, pursuant
to Rule 488.
- ------------------------------------------------------------------------------

<PAGE>



                      PRINCIPAL CASH MANAGEMENT FUND, INC.
                              CROSS REFERENCE SHEET
            PURSUANT TO RULE 481(a) UNDER THE SECURITIES ACT OF 1933

                         FORM N-14 PROXY STATEMENT AND
                          ITEM NO. PROSPECTUS CAPTION

PART A

Item 1.    Beginning of Registration  Statement
                and  Outside  Front  Cover  Page  of
                Prospectus...................Cross Reference Sheet; Cover Page

Item 2.    Beginning  and  Outside  Back  Cover
                Page of Prospectus...........................Table of Contents

Item 3.    Fee Table,  Synopsis Information and
                Risk Factors...................Summary; Principal Risk Factors

Item 4.    Information about the Transaction......................... The Plan

Item 5.    Information about the Registrant......Incorporation of Documents by
                                                   Reference in the Prospectus

Item 6.    Information  about the Company Being
                Acquired.........................Incorporation of Documents by
                                                   Reference in the Prospectus

Item 7.    Voting Information............  Introduction and Voting Information

Item 8.    Interest  of  Certain   Persons  and
                Experts.........................................Not Applicable

Item 9.    Additional  Information Required for
                Reoffering  by Persons  Deemed to be
                Underwriters....................................Not Applicable

PART B

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

Item 11.  Table of Contents................  Table of Contents of Statement of
                                                        Additional Information



<PAGE>



Item 12.  Additional   Information  about  the
               Registrant..................Statement of Additional Information
                                             of Principal Cash Management Fund,
                                                      Inc. dated March 1, 1999.

Item 13.  Additional   Information  about  the
                Company Being Acquired..   Statement of Additional Information
                                                  of Principal Tax-Exempt Cash
                                                  Management Fund, Inc., dated
                                                                March 1, 1999.

Item 14.  Financial Statements................Financial Statements as noted in
                                                   the Statement of Additional
                                                                   Information

PART C

Item 15.  Indemnification......................................Indemnification

Item 16.  Exhibits....................................................Exhibits

Item 17.  Undertakings............................................Undertakings




<PAGE>



[LOGO]
The Principal Mutual Funds

March 1, 1999

Dear Shareholder:

     The Board of Directors of Principal  Tax-Exempt  Cash  Management  Fund has
called a  special  meeting  of  shareholders  for  April  7,  1999 to vote on an
Agreement and Plan of  Acquisition  which  provides for the  combination  of the
Tax-Exempt Fund with Principal Cash Management  Fund. If the Plan is approved by
shareholders  and  implemented,  you will cease to own shares of the Tax- Exempt
Fund and will become the owner of an equal  number of Class A shares of the Cash
Management Fund.

     Both  Funds  are  money-market   funds  which  invest  only  in  short-term
securities,  seek a high a level of income and  strive to  maintain a stable net
asset value per share of $1.00. The principal  difference  between the two Funds
is that the  Tax-Exempt  Fund invests  primarily  for income exempt from federal
income tax while the Cash Management Fund invests for taxable income.

     On the  following  pages you will find a brief  overview  of the Plan,  the
notice of the meeting and a complete  prospectus/proxy  statement. No matter how
many shares you own, it is important that you read these  materials and complete
and mail the proxy ballot in the enclosed  postage- paid envelope as soon as you
can. As an alternative,  you may telephone  toll-free  1-800-944-8454 or you may
fax a copy of your proxy ballot to 515-235-9235(this is not a toll-free number).

     We appreciate your taking the time to respond on this important  matter. If
you  have  any  questions,  please  call  our  shareholder  services  department
toll-free at 1-800-247-4123.

Sincerely,


Stephan L. Jones
President
Principal Tax-Exempt Cash Management Fund, Inc.













<PAGE>




[LOGO]
The Principal Mutual Funds

          IMPORTANT INFORMATION TO HELP YOU UNDERSTAND AND VOTE ON THE
                                    PROPOSAL

     Please read the complete prospectus/proxy  statement. For your convenience,
we are providing this brief overview of the Agreement and Plan of Acquisition on
which you are being asked to vote.

What will happen if shareholders approve the Plan and it becomes effective?

     At the effective time,  which is scheduled for 3:00 p.m. C.D.T. on April 8,
1999, Principal Cash  Management  Fund,  Inc.  (Cash  Management  Fund) will
acquire  all  the  assets  and  assume  all  the  liabilities  of Principal
Tax-Exempt Cash Management  Fund, Inc.  (Tax-Exempt  Fund) and will issue to the
Tax-Exempt  Fund shares of its Class A common  stock having a value equal to the
net assets acquired. Immediately thereafter, the Tax-Exempt Fund will distribute
those shares to its shareholders and thereby redeem all its outstanding  shares.
You will receive Class A shares of the Cash  Management Fund equal in number and
value to the shares of the Tax-Exempt  Fund which you own at the effective time.
The acquisition will not dilute the value of your shares.

Why has the Board decided to recommend the  combination of the  Tax-Exempt  Fund
with the Cash Management Fund?

     The Tax-Exempt Fund was organized in 1987 at the request of a broker-dealer
subsidiary  of Principal  Life  Insurance  Company  primarily  as an  investment
alternative for cash balances of clients of that subsidiary. Principal Life sold
the  subsidiary  in  January  1998.  Since  then,  there  have been  substantial
redemptions  from the Tax-Exempt  Fund, and its net assets have declined by more
than 60%. The Board  considered that the small asset size of the Tax-Exempt fund
and its lack of expected  asset  growth  would  result in a lack of economies of
scale. The Board also considered that the tax-equivalent yield of the Tax-Exempt
Fund generally has been less than the yield of the Cash Management Fund.

How have the Funds performed in relation to each other?

     For the 7-day  period  ended  January 25,  1999,  the yield for the Class A
shares of the Tax-Exempt Fund was 2.06%, and the yield for the Class A shares of
the Cash Management Fund was 4.61%.  The following table shows, for each of 
five tax brackets, the average annualized tax-equivalent yield of the 
Tax-Exempt Fund for the 7-day period ended January 25, 1999.



                                       -1-

<PAGE>



<TABLE>
<CAPTION>


                                      Tax Bracket
<S>                        <C>       <C>       <C>       <C>      <C>  
                           15%       28%       31%       36%      39.6%
                           ---       ---       ---       ---      -----
Tax-equivalent yield      2.42%     2.86%     2.99%     3.22%     3.41%
</TABLE>

What are the advantages of the acquisition?

     Because  the  Cash  Management  Fund  is  substantially   larger  than  the
Tax-Exempt  Fund,  the  Board  believes  that  shareholders  will  benefit  from
economies of scale.

Who will pay the fees and expenses  incurred by the Funds in connection with the
Plan?

     Principal Management  Corporation,  the manager of the Funds, will bear all
out-of-  pocket fees and expenses  incurred by the Funds in connection  with the
transactions contemplated by the Plan.

Do the Funds have similar investment objectives, policies and procedures?

     The investment  objectives,  policies and restrictions of the two Funds are
substantially  similar.  Both Funds are  money-market  funds and both  invest in
short-term  securities and strive to maintain their  respective net asset values
at $1.00 per share. The principal  difference  between the two funds is that the
Tax-Exempt Fund invests  primarily for income exempt from federal income tax and
the Cash  Management  Fund invests for taxable  income.  The Funds have the same
distribution,  purchase and redemption procedures, the same dividend payment and
reinvestment procedures and the same exchange rights.

How do the expense structures of the Funds compare?

     The Funds have the same  contractual  rates for  management  fees. The Cash
Management Fund, however, pays a lower rate than the Tax-Exempt Fund because its
larger size  qualifies it for reduced rates that apply to larger  amounts of net
assets.  As a percentage of average  daily net assets and before any  applicable
fee waivers,  for the year ended October 31, 1998, the Tax-Exempt Fund had total
operating  expenses of 0.81%,  which included a management fee of 0.50%, and the
Cash  Management Fund had total  operating  expenses of 0.56%,  which included a
management fee of 0.38%.

What will be the size of the Cash Management Fund after the transaction?

     As of  January  25,  1999,  the  Tax-Exempt  Fund had net  assets  of $26.7
million,  and the Cash Management Fund had net assets of $333.9 million. The net
assets of the Tax-Exempt Fund represent less than 10% of the net assets of

                                       -2-

<PAGE>


the Cash  Management  Fund,  and the  manager of the Funds  believes  that their
transfer will permit them to be managed more  efficiently  and will not have any
adverse effect on the Cash Management Fund.

What are the federal tax implications?

     The  transactions  contemplated  by the Plan will not  result in a tax-free
"reorganization"  under the Internal  Revenue  Code.  The Funds,  however,  have
obtained an opinion  from tax counsel to the effect that no gain or loss will be
recognized  by  either  Fund  or  its   shareholders   in  connection  with  the
transactions  contemplated  by the Plan and that  your tax cost  basis  will not
change, although your holding period will begin anew at the effective time.

What do I do if I wish to maintain an investment in a tax-exempt fund?

     Principal  Tax-Exempt  Bond Fund will offer to exchange  its Class A shares
without a sales charge for your shares of the  Tax-Exempt  Fund or the shares of
the Cash Management Fund issued in exchange for those shares. The exchange offer
will  commence  on the day  after  the  shareholders  approve  the Plan and will
continue until June 1,1999.

Has the Board of Directors approved the Plan?

     Yes. The Board of Directors of each of the Funds has approved the Plan. The
Board of Directors of the Tax-Exempt  Fund  recommends that you vote in favor of
the Plan.

What if there are not enough  votes to reach a quorum by the  scheduled  date of
the shareholder meeting?

     Although  we expect to have a quorum  for the  meeting,  if a quorum is not
obtained,  the meeting  will be  postponed  to allow time to solicit  additional
proxies from  shareholders.  We urge you to vote  promptly  after  reviewing the
enclosed material so that the meeting is not delayed.

How many votes am I entitled to cast?

     You are entitled to one vote for each share of the Tax-Exempt Fund owned on
the record date,  February 25, 1999. The number of shares that you owned on that
date is stated on the enclosed proxy ballot.





                                       -3-

<PAGE>



How do I vote my shares?

     Voting is easy.  You can vote your  shares by  completing  and  signing the
enclosed  proxy ballot and mailing it in the enclosed  postage paid  envelope or
faxing a copy to 515-235-9235(this is not a toll-free number). You may also call
toll-free  1-800-944-8454.  If you need  any  assistance  or have any  questions
concerning the Plan or how to vote your shares, please call Principal Management
Corporation at 1-800- 247-4123.

How do I sign the proxy ballot?

Individual Accounts:     Shareholders should sign exactly as their names appear 
                         in the account registration shown on the proxy ballot.


Joint Accounts:          Either owner may sign, but the name of the person 
                         signing should conform exactly to a name that appears
                         in the account registration shown on the proxy ballot.


All Other Accounts:      The person signing must indicate his or her capacity.  
                         For example, a trustee for a trust or other entity 
                         should sign, "John A. Doe, Trustee."

























                                       -4-

<PAGE>



                 PRINCIPAL TAX-EXEMPT CASH MANAGEMENT FUND, INC.
                           Des Moines, Iowa 50392-0200
                                  ------------

                                    NOTICE OF
                         SPECIAL MEETING OF SHAREHOLDERS

                           To be held on April 7, 1999
                                   -----------

To the Shareholders:

     Notice  hereby  is given  that a special  meeting  of the  shareholders  of
Principal  Tax-Exempt Cash Management Fund, Inc.  (Tax-Exempt Fund) will be held
at 2:00 p.m.  C.D.T.,  on April 7, 1999, at the offices of Principal  Management
Corporation,  680 8th Street, Des Moines, Iowa 50392-0200.  The meeting is being
held to consider and vote on the following  matter as well as any other business
that may properly come before the meeting or any adjournment:


1. Approval of an Agreement and Plan of Acquisition  among the Tax-Exempt  Fund,
Principal Cash Management Fund, Inc. and Principal Management  Corporation,  and
the  transactions  contemplated  thereby,  pursuant to which the Cash Management
Fund  would  acquire  all the  assets  and  assume  all the  liabilities  of the
Tax-Exempt  Fund and issue in exchange  shares of its Class A common stock,  and
the  Tax-Exempt  Fund  would  distribute  those  shares to its  shareholders  in
redemption of all its outstanding shares and then dissolve.

     You  are  entitled  to  notice  of and to  vote  at the  meeting,  and  any
adjournment, if you owned shares of the Tax-Exempt Fund at the close of business
on February 25, 1999, the record date for the meeting.

     Your vote is important.  No matter how many shares you own, please read the
attached prospectus/proxy statement, and vote today.



                                        For the Board of Directors



                                        Arthur S. Filean
                                        Vice-President and Secretary


March 1, 1999




                                       -5-

<PAGE>



     PRINCIPAL CASH MANAGEMENT FUND, INC.  
     PRINCIPAL  TAX-EXEMPT CASH MANAGEMENT FUND, INC.
     PROSPECTUS/PROXY  STATEMENT

     This  prospectus/proxy  statement is being furnished in connection with the
solicitation  of proxies by the Board of Directors of Principal Tax- Exempt Cash
Management  Fund,  Inc. (the "Tax- Exempt Fund") for use at a special meeting of
the  shareholders  of the Tax-Exempt  Fund, to be held at 2:00 p.m.  C.D.T.,  on
April 7, 1999,  at the  offices of  Principal  Management  Corporation,  680 8th
Street, Des Moines, Iowa 50392-0200, and at any adjournment of the meeting.

     At the  meeting,  Tax-Exempt  Fund  shareholders  ("you")  will  vote on an
Agreement and Plan of Acquisition.  Under the Plan, if approved,  Principal Cash
Management Fund, Inc. (the "Cash  Management  Fund") will acquire all the assets
and assume all the  liabilities  of the  Tax-Exempt  Fund and issue in  exchange
shares of its Class A common stock. The Tax-Exempt Fund will immediately  redeem
all its outstanding  shares by  distributing  the Cash Management Fund shares to
you. As a result,  you will own the same number of shares in the Cash Management
Fund as you owned in the  Tax-Exempt  Fund at the  effective  time.  The  Funds'
manager,  Principal Management Corporation,  is also a party to the Plan and has
agreed to pay all expenses incurred by the Funds in connection with the Plan.

     Both Funds are Maryland corporations  organized by Principal Life Insurance
Company  ("Principal Life") and registered as open-end,  diversified  management
investment  companies under the Investment  Company Act of 1940 (the "Investment
Company Act"). Both are money market funds which strive to maintain a stable net
asset value of $1.00 per share. The Cash Management Fund's investment  objective
is to seek as high a level of income available from short-term  securities as is
considered   consistent  with  preservation  of  principal  and  maintenance  of
liquidity.  The  Tax-Exempt  Fund has a  similar  investment  objective,  but it
generally  invests only in securities  which pay interest  income that is exempt
from federal income tax.

     This  prospectus/proxy  statement sets forth  concisely the information you
should know before voting on the proposed  Plan. You should retain it for future
reference.

     The  prospectuses  and  Statements of Additional  Information  for the Cash
Management Fund and the Tax-Exempt Fund dated March 1, 1999 and the Statement of
Additional   Information   dated   March  1,  1999   relating   to  this   proxy
statement/prospectus have been filed with the Securities and Exchange Commission
("SEC")  and are  available  without  charge  by  writing  to the Funds or their
manager at their principal  executive offices,  680 8th Street, Des Moines, Iowa
50392-0200 or by telephoning toll-free  1-800-247-4123.  The prospectuses of the
Cash  Management  Fund and  Tax-Exempt  Fund  and the  Statement  of  Additional
Information relating to this proxy  statement/prospectus are incorporated herein
by reference.  A copy of the Cash Management Fund  prospectus  accompanies  this
prospectus.

     The shares of the Funds are not deposits or  obligations  of any bank,  are
not endorsed or guaranteed by any bank, and are not insured or guaranteed by the
Federal Deposit Insurance  Corporation,  the Federal Reserve Board, or any other
U.S. government agency.

     An investment in either Fund is neither  insured nor guaranteed by the U.S.
government  and  there  can be no  assurance  that  either  Fund will be able to
maintain a stable net asset value of $1.00 per share.
                              _____________________

     The SEC has not approved or disapproved of these  securities or passed upon
the  adequacy of this  prospectus/proxy  statement.  Any  representation  to the
contrary is a criminal offense. _____________________

                   The date of this prospectus/proxy statement
                                is March 1, 1999

                                       -1-

<PAGE>



                           PROSPECTUS/PROXY STATEMENT

                                TABLE OF CONTENTS


INTRODUCTION AND VOTING INFORMATION........................................ 3
         Special Meeting; Voting of Proxies; Adjournment................... 3
         Proxy Solicitation.................................................4
         Revocation of Proxies..............................................4
         Additional Information.............................................4
SUMMARY.....................................................................5
         The Plan...........................................................5
         Reasons for the Plan...............................................5
         Investment Objectives and Policies.................................5
         Management Fees and Other Operating Expenses...................... 6
         Purchases and Exchanges............................................6
         Redemption Procedures and Fees.....................................7
         Dividends and Distributions; Automatic Reinvestment............... 7
         Federal Income Tax Consequences of the Proposed Combination....... 7
         Costs and Expenses.................................................7
         Continuation of Shareholder Accounts...............................7
         Exchange Offer.....................................................8
PRINCIPAL RISK FACTORS......................................................8
THE PLAN....................................................................8
         Agreement and Plan of Acquisition..................................8
         Description of Securities to Be Issued.............................10
         Reasons for the Proposed Combination...............................10
         Federal Income Tax Consequences....................................11
         Capitalization.....................................................11
COMPARISON OF INVESTMENT OBJECTIVES,
POLICIES AND RESTRICTIONS...................................................12
ADDITIONAL INFORMATION ABOUT THE FUNDS..................................... 13
PROPOSALS OF SHAREHOLDERS.................................................. 14
OTHER BUSINESS..............................................................14

APPENDIX A: Form of Agreement and Plan of Acquisition








                                       -2-

<PAGE>



                       INTRODUCTION AND VOTING INFORMATION

Special Meeting; Voting of Proxies; Adjournment

     We are furnishing this prospectus/proxy statement to you as shareholders of
the  Tax-Exempt  Fund in  connection  with  the  solicitation  by the  Board  of
Directors  of the  Fund  of  proxies  to be  used at a  special  meeting  of the
shareholders  of the  Fund to be held on April  7,  1999 and at any  adjournment
thereof.  The  purpose  of the  meeting is to vote on an  Agreement  and Plan of
Acquisition  to which the  Tax-Exempt  Fund,  the Cash  Management  Fund and the
manager of those Funds, Principal Management Corporation,  are parties. The Plan
provides for the  combination  of the Tax-Exempt  Fund with the Cash  Management
Fund, as more fully described  below.  The  prospectus/proxy  statement is first
being furnished to shareholders on or about March 1, 1999.

     The Board of  Directors  of the  Tax-Exempt  Fund has approved the Plan and
recommends  that the  shareholders  of the Tax-Exempt Fund vote FOR the Plan and
the transactions which it contemplates.

     Shareholders  of record of the Tax-Exempt  Fund at the close of business on
February 25, 1999, the record date,  are entitled to vote at the meeting.  As of
the record date, the Tax-Exempt  Fund had shares  outstanding and entitled to be
voted.  Shareholders are entitled to one vote for each share held. A quorum must
be present for the transaction of business at the meeting. The holders of record
of a one-third of the shares  outstanding at the close of business on the record
date present in person or represented by proxy will  constitute a quorum for the
meeting. The approval of the Plan requires the affirmative vote of a majority of
all the  votes  entitled  to be cast by  shareholders  of the  Tax-Exempt  Fund.
Abstentions and broker  non-votes  (proxies from brokers or nominees  indicating
that they have not received  instructions  from the beneficial owners on an item
for which the broker or nominee does not have  discretionary  power) are counted
toward a quorum but do not represent votes cast for the Plan or any other issue.
If the  shareholders  of the Tax-Exempt  Fund do not approve the Plan, the Funds
will  consider  possible  alternative  arrangements,  and  Principal  Management
Corporation will continue to manage the Tax-Exempt Fund.

<TABLE>

<S>                      <C>                 <C>     
To vote your shares:     by mail -           return your proxy ballot in the
                                             enclosed postage-paid envelope
                         by fax -            fax to 515-235-9235
                                             (this is not a toll-free number)
                         by telephone -      call toll-free 1-800-944-8454
</TABLE>

     The proxies will vote in accordance  with your  direction,  as indicated on
your proxy ballot, if the proxy ballot is received and is properly executed.  If
you properly execute your proxy and give no voting  instructions with respect to
the Plan,  the proxies will vote your shares in favor of the Plan.  The proxies,
in their  discretion,  may vote upon such  other  matters as may  properly  come
before the  meeting.  We are not aware of any other  matters to come  before the
meeting.

     If either (i) a quorum is not  present  at the  Meeting or (ii) a quorum is
present but sufficient  votes in favor of approving the Plan are not received by
12:00 Noon  C.D.T.,  April 7,  1999,  then the  persons  named as proxies in the
enclosed  form of proxy may propose one or more  adjournments  of the meeting to
permit further  solicitation of proxies.  Any such  adjournment will require the
affirmative  vote  of  at  least  a  majority  of  the  Tax-Exempt  Fund  Shares
represented,  in  person  or by  proxy,  at the  session  of the  meeting  to be
adjourned. The proxies will vote those proxies that they

                                       -3-

<PAGE>



are required to vote FOR the Plan in favor of such an adjournment  and will vote
those proxies required to be voted AGAINST the Plan against such an adjournment.

Proxy Solicitation

     We will solicit proxies primarily by mail. Additional  solicitations may be
made by telephone, facsimile or personal contact by officers or employees of the
Tax-Exempt  Fund or Principal  Management  Corporation who will not be specially
compensated for these services.  Principal Management  Corporation will bear the
costs of the meeting,  including costs of preparing and mailing the notice,  the
prospectus/proxy  statement,  and the proxy, and of soliciting  proxies.  Banks,
brokers,  and other persons  holding  Tax-Exempt Fund shares as nominees will be
reimbursed for their reasonable  expenses incurred in sending proxy materials to
and obtaining voting information from the beneficial owners of those shares.

     The vote of the  shareholders  of the  Cash  Management  Fund is not  being
solicited,  because their  approval or consent is not necessary for the approval
of the Plan.

Revocation of Proxies

     You may revoke your proxy: (i) at any time prior to the proxy's exercise by
sending  written  notice to the  Secretary of the  Tax-Exempt  Fund,  at 680 8th
Street,  Des  Moines,  Iowa,  50392-0200  prior  to  the  meeting;  (ii)  by the
subsequent  execution and return of another proxy prior to the meeting; or (iii)
by being present and voting in person at the meeting after giving oral notice of
revocation to the Chairman of the meeting.

Additional Information

     On January 25, 1999,  the  directors  and officers of the  Tax-Exempt  Fund
together  owned less than 1% of the  outstanding  shares.  Principal  Life,  Des
Moines, Iowa,  50392-0200,  an Iowa life insurance company and the parent of the
manager  of the Funds,  owned of record and  beneficially,  either  directly  or
through  subsidiaries,  8.8 % of the  outstanding  shares of the Cash Management
Fund (including 8.7 % of the Class A shares) and 3.8 % of the outstanding shares
of the Tax-Exempt Fund and, based on those holdings,  would own at the effective
time 8.4 % of the  outstanding  shares of the Cash Management Fund (8.4 % of the
Class A shares).  Dolores A. Staples,  1054 19th Street,  West Des Moines,  Iowa
50265,  owned 7.0 % of the outstanding  shares of the Tax-Exempt Fund and, based
on that holding, would own at the effective time .005% of the outstanding shares
of the Cash Management Fund. The Funds do not know of any other person who owned
at the record date, or will own at the effective time, of record or beneficially
5% or more of the outstanding shares of either Fund.


                                       -4-

<PAGE>



                                     SUMMARY

     The following is a summary of certain information contained or incorporated
by reference in this prospectus/proxy statement. It is qualified in its entirety
by  the  more  detailed  information  appearing  elsewhere  or  incorporated  by
reference in this prospectus/proxy statement.

The Plan

     You are being asked to approve the Plan, which provides for the combination
of the Tax- Exempt Fund with the Cash  Management  Fund.  Under the Plan, at the
effective  time on the closing date, the Cash  Management  Fund will acquire all
the assets and assume all the  liabilities  of the Tax- Exempt Fund and issue to
the  Tax-Exempt  Fund shares of its Class A common stock having a value equal to
the net  assets  acquired.  Immediately  thereafter,  the Tax  Exempt  Fund will
distribute all the Cash Management Fund shares to its  shareholders  and thereby
redeem all its outstanding shares. Each Tax-Exempt Fund shareholder will receive
Cash  Management  Fund  shares  equal in number  and value to the  shares of the
Tax-Exempt  Fund held by the  shareholder  at the effective  time. We expect the
effective time will be 3:00 p.m. C.D.T. on April 8, 1999.

Reasons for the Plan

     We believe that the Plan will provide  shareholders  of the Tax-Exempt Fund
with an investment in a larger  money-market  fund with a more favorable expense
ratio and greater  possibilities for economies of scale than are likely with the
Tax-Exempt Fund. The yield of the Cash Management Fund has generally been higher
than the tax-equivalent yield of the Tax-Exempt Fund. For example, for the 7-day
period  ended  January  25,  1999,  the yield for the Class A shares of the Cash
Management Fund was 4.61% and the  tax-equivalent  yield for the Tax-Exempt Fund
was 3.41% (assuming a tax rate of 39.6%). The Board, including a majority of the
directors who are not interested  persons of the Fund,  has determined  that the
Plan is  consistent  with the best  interests of the Fund and its  shareholders,
that the terms of the Plan are fair and reasonable and that the interests of the
shareholders  of the Fund will not be  diluted  as a result of the  transactions
contemplated by the Plan.

Investment Objectives and Policies

     Both the  Tax-Exempt  Fund and the Cash  Management  Fund are  money-market
funds and both invest in  short-term  securities  and strive to  maintain  their
respective  net asset values at $1.00 per share.  Their  investment  objectives,
policies and restrictions are substantially  similar.  The principal  difference
between the two Funds is that the  Tax-Exempt  Fund  generally  invests  only in
securities  that pay interest  which is exempt from federal income tax while the
Cash Management Fund invests in securities that pay taxable interest.




                                       -5-

<PAGE>



Management Fees and Other Operating Expenses

     The operating expenses  attributable to the Class A shares of the Funds (as
a percentage of the average daily net assets and before any applicable  waivers)
for the fiscal year ended October 31, 1998 were as follows:

<TABLE>
<CAPTION>
                                                                Cash
                                     Tax-Exempt Fund            Management
                                                                Fund
<S>                                            <C>                       <C> 

         Management Fees:                      0.50%                     0.38%

         Other Expenses:                       0.31%                     0.18%
                                               -----                     -----

         Total Fund
         Operating                              0.81%                   0.56%
         Expenses:
</TABLE>

     The  manager of the Funds  voluntarily  waived a portion of its fee for the
Class A shares of the  Tax-Exempt  Fund until  October  31,  1998.  With the fee
waiver, total fund operating expenses were 0.72% for the Tax-Exempt Fund.

     The following is an example of the effect of the operating  expenses of the
Funds.  Although  your  actual  costs may be higher or lower,  you would pay the
following  expenses on a $10,000  investment in the Class A shares of the Funds,
assuming (1) a 5% annual return,  (2) the Fund's operating  expenses (before any
applicable reimbursement) remain the same, and (3) you redeem all of your shares
at the end of the periods shown.
<TABLE>
<CAPTION>

                           1 Year      3 Years     5 Years      10 Years
                           ------      -------     -------      --------
<S>                        <C>         <C>         <C>          <C>    

 Tax-Exempt Fund            $594        $847       $1,119        $1,893
Cash Management Fund         556         727          914         1,452
</TABLE>

     Purchases  and  Exchanges  Each Fund  offers its  shares  for sale  through
Princor  Financial  Services  Corporation,  a  broker-  dealer  that is also the
principal underwriter for the Funds, or other dealers which it selects.  Class A
shares of the Funds are offered to the public  without a sales charge at the net
asset value next  determined  after  receipt of an order.  Both Funds  strive to
maintain a constant net asset value per share of $1.00.

     Class A shares of both Funds may be exchanged for Class A or Class B shares
of other funds sponsored by Principal Life Insurance Company.  If Class A shares
of another fund are acquired

                                       -6-

<PAGE>



upon  exchange,  a sales  charge  will be  imposed  if the Class A shares  being
exchanged  were  acquired  by direct  purchase,  and a sales  charge will not be
imposed if the Class A shares being  exchanged  were  acquired by exchange  from
other funds, conversion of Class B shares or reinvestment of dividends earned on
Class A shares.  If Class A shares of the Funds are exchanged for Class B shares
of other funds, the shares acquired will be subject to the applicable contingent
deferred  sales charge imposed by the new fund;  however,  the holding period of
the  Class A shares  exchanged  is added to the  holding  period  of the Class B
shares for purposes of determining the applicable charge.

Redemption Procedures and Fees

     Shares of the Funds may be redeemed  without charge at a price equal to the
net asset value of the shares next  computed  following the receipt of a request
for  redemption in proper form. The Funds  generally pay redemption  proceeds on
the next business day after receipt of the request.

Dividends and Distributions; Automatic Reinvestment

     The Funds declare  dividends of all their daily net investment  income each
day the net asset value per share is  determined.  Dividends  are paid daily and
are automatically reinvested in Fund shares.

Federal Income Tax Consequences of the Proposed Combination

     The combination will not be a tax-free  "reorganization" under the Internal
Revenue Code of 1986, as amended (the "Code").  In the opinion of tax counsel to
the Funds,  however,  no gain or loss will be  recognized  by either Fund or its
shareholders,  in connection with the combination, and the tax cost basis of the
Cash Management Fund shares received by Tax-Exempt Fund  shareholders will equal
the tax cost  basis of their  shares  in the  Tax-Exempt  Fund,  although  their
holding period will begin anew at the effective time of the combination.

Costs and Expenses

     Principal  Management  Corporation  will  bear all  out-of-pocket  fees and
expenses incurred by the Funds in connection with the transactions  contemplated
by the Plan.

Continuation of Shareholder Accounts

     At the effective time, you will cease to be a shareholder of the Tax-Exempt
Fund and will become a shareholder of the Cash  Management  Fund owning the same
number  of Class A shares  of the Cash  Management  Fund as you had owned of the
Tax-Exempt Fund at the effective time.





                                       -7-

<PAGE>



Exchange Offer

     Principal  Tax-Exempt  Bond Fund,  Inc.  will offer to exchange its Class A
shares without a sales charge for shares of the Tax-Exempt Fund or the shares of
the Cash Management Fund issued in exchange for those shares. The exchange offer
is designed to provide a tax-exempt investment alternative.  It will commence on
the day after the shareholders  approve the Plan and will continue until June 1,
1999.

                             PRINCIPAL RISK FACTORS

     Because  their  investment   objectives,   policies  and  restrictions  are
substantially  similar,  the Funds are subject to similar risks. These risks are
those  typically  associated  with  investing in money market funds.  The Funds'
yields will vary with changes in short-term interest rates and their investments
are subject to the ability of the issuer to pay interest and principal when due.

     Both  Funds may enter into  repurchase  agreements.  Repurchase  agreements
carry  certain  risks not  associated  with direct  investments  in  securities,
including possible decline in the market value of the underlying  securities and
delays  and costs to the Fund if the  other  party to the  repurchase  agreement
becomes insolvent.

                                    THE PLAN

Agreement and Plan of Acquisition

     The terms of the Plan are summarized below. The summary is qualified in its
entirety by reference to the Plan, a copy of which is attached as Appendix A.

     Under the Plan,  the Cash  Management  Fund will acquire all the assets and
assume  all the  liabilities  of the  Tax-Exempt  Fund  and  will  issue  to the
Tax-Exempt  Fund the  number  of  shares  of  Class A  Common  Stock of the Cash
Management  Fund that have a net asset value equal to the net asset value of the
Tax-Exempt  Fund. We expect that the closing date will be April 8, 1999 and that
the  effective  time will be the close of regular  trading on the New York Stock
Exchange at 4:00 P.M.,  Eastern  Time,  on that date.  The Funds will  determine
their net asset values as of the effective time using the  procedures  described
in the Cash Management  Fund's  prospectus.  Because both Funds are money-market
funds  that  maintain  a stable  net asset  value of $1.00 per  share,  the Cash
Management  Fund will issue to the  Tax-Exempt  Fund a number of shares equal to
the number of shares of the Tax-Exempt  Fund  outstanding at the effective time.
The Tax-Exempt Fund will be managed such that at the effective time it will hold
only  cash or  other  securities  that  are  eligible  investments  for the Cash
Management Fund.

     Immediately  after the effective  time, the Tax-Exempt Fund will distribute
its Cash  Management  Fund  shares to you in exchange  for all your  outstanding
Tax-Exempt Fund shares.  Each Tax-Exempt Fund shareholder will receive shares of
the Cash Management Fund that are equal

                                       -8-

<PAGE>



     in number and value to the shares of the Tax-Exempt  Fund that are given up
by the shareholder in the exchange.  In connection  with the exchange,  the Cash
Management Fund will credit on its books an appropriate  number of its shares to
the account of each  Tax-Exempt Fund  shareholder,  and the Tax-Exempt Fund will
cancel  on  its  books  all  its  shares  registered  to  the  account  of  that
shareholder.  Any outstanding certificate for Tax-Exempt Fund shares that is not
surrendered  will be deemed to  represent  the  number of Cash  Management  Fund
shares for which the Tax-Exempt shares have been exchanged.  After the effective
time, the Tax-Exempt Fund will dissolve in accordance with applicable law.

     The consummation of the transactions contemplated by the Plan is subject to
the  approval  of the  Plan by the  shareholders  of the  Tax-Exempt  Fund,  the
continued  correctness at the closing of the  representations  and warranties of
the Tax-Exempt  Fund in the Plan and the delivery by the Tax- Exempt Fund to the
Cash Management Fund of a list of assets and liabilities being transferred.  The
Plan may be amended in any manner  mutually-agreeable  to the Funds, except that
no  amendment  may be made to the Plan  which  in the  opinion  of the  Board of
Directors of the Tax-Exempt Fund would materially adversely affect the interests
of the shareholders of that Fund. Either Fund may terminate the Plan at any time
before the effective time if it believes that  consummation of the  transactions
contemplated by the Plan would not be in the best interests of its shareholders.

     Principal  Management  Corporation,  the manager of the Funds, will pay all
fees and out-of- pocket  expenses  incurred by the Funds in connection  with the
transactions contemplated by the Plan.

     Principal  Tax-Exempt  Bond Fund,  Inc.  will offer to exchange its Class A
shares without a sales charge for shares of the Tax-Exempt Fund or shares of the
Cash Management  Fund issued in exchange for shares of the Tax-Exempt  Fund. The
exchange  offer will permit you, if you wish, to maintain  your  investment in a
tax-exempt  fund.  The  exchange  offer will  commence the day after the Plan is
approved by the  shareholders  of the Tax-Exempt Fund and continue until June 1,
1999.

     Like the Funds, the Bond Fund is a Maryland  corporation that is registered
as an open-end,  diversified  management investment company under the Investment
Company Act. It is also managed by Principal  Management  Corporation.  The Bond
Fund's  principal  investment  objective  is to seek as high a level of  current
income exempt from federal  income tax as is  consistent  with  preservation  of
capital.  The Bond Fund seeks to achieve  its  objective  primarily  through the
purchase of investment grade quality, tax-exempt fixed income obligations. Class
A  shares  of the  Bond  Fund are  sold  with a sales  charge  which is 4.75% on
purchases  up to $50,000  and  declines to no fee on  purchases  of more than $1
million.  The charge  will not be  deducted  in  connection  with the  exchange.
Purchases  of over $1  million of Class A shares  are  subject  to a  contingent
deferred  sales  charge  at the rate of .75% if  redeemed  within  18  months of
purchase.  For purposes of this charge,  the Bond Fund will deem shares acquired
upon exchange to have been acquired at the time you  purchased  your  Tax-Exempt
Fund  shares.  There is a 12b-1 fee at the annual rate of up to .25% of the Bond
Fund's  average  net assets  attributable  to Class A shares.  As of January 25,
1999, the Bond Fund had approximately $214 million in net assets.


                                       -9-

<PAGE>




Description of Securities to Be Issued

     The Class A Shares of the Cash  Management Fund are shares of common stock,
par value $.01 per share.  They have the same  rights  with  respect to the Cash
Management  Fund as the Class A Shares of the Tax-Exempt  Fund have with respect
to the Tax-Exempt  Fund. Each share is entitled to one vote and has equal rights
with every other share as to dividends, earnings, voting, assets and redemption.
There  is no  cumulative  voting  for  directors.  Shares  are  fully  paid  and
non-assessable,   have  no  preemptive  or  conversion  rights  and  are  freely
transferable.  Each fractional share has  proportionately the same rights as are
provided for a full share.

Reasons For the Proposed Combination

     The  Tax-Exempt  Fund was  established  in 1987 at the request of Principal
Financial Securities,  Inc. (PFS), then an affiliated broker-dealer and indirect
subsidiary of Principal  Life. A primary  purpose of the Tax-Exempt  Fund was to
serve as an  investment  alternative  available for cash balances in accounts of
PFS customers.  PFS was sold in January,  1998.  Between the time of the sale of
PFS and  October 31,  1998,  the assets of the  Tax-Exempt  Fund  declined  from
approximately  $76 million to approximately  $26 million,  and the assets of the
Cash Management  Fund,  which was also used extensively for cash balances of PFS
customers,  declined  from  approximately  $763  million to  approximately  $309
million.  The Funds  believe  that the net  redemptions  of $50 million from the
Tax-Exempt Fund and $454 million from the Cash Management Fund are  attributable
primarily to redemptions by PFS clients. Because the Tax-Exempt Fund was created
primarily  for the  purpose of  serving  the  clients of PFS and  because of the
substantial net redemptions  that the Funds have  experienced  since the sale of
PFS, the Funds concluded that the combination  contemplated by the Plan would be
in the best interests of each of the Funds and their respective shareholders.

     The Plan has been  approved by the Board of Directors of each of the Funds,
including  a  majority  of the  directors  of each Fund who are not  "interested
persons" of that Fund as defined in Section  2(a)(19) of the Investment  Company
Act. In approving the Plan, the Boards considered the substantial  similarity of
the investment  objectives of the two Funds and determined that interests of the
existing  shareholders of their respective Funds will not be diluted as a result
of the  transactions  contemplated  by  the  Plan.  The  Tax-Exempt  Fund  Board
considered  the following  factors,  among  others,  in  determining  whether to
recommend that you approve the Plan:(1)  possible  alternatives to the Plan; (2)
the terms and  conditions of the Plan and whether it would result in dilution of
shareholder interests;  (3) the advantage to the Tax-Exempt Fund shareholders of
investing in a larger asset pool with greater diversification; (4) any direct or
indirect costs incurred by the Tax-Exempt Fund and the Cash Management Fund as a
result of the Plan; (5) expense ratios and available  information  regarding the
fees and expenses of the Tax-Exempt Fund and the Cash  Management  Fund; (6) tax
consequences of the Plan; (7) the compatibility of the investment  objectives of
the Funds;  and (8) the likelihood that the  shareholders of the Tax-Exempt Fund
would prefer the option of selecting  between the Cash  Management  Fund,  which
does not seek current interest income

                                      -10-

<PAGE>



     exempt from  federal  income  taxation,  and the Bond Fund,  which is not a
money-market fund, to maintaining their interests in the Tax-Exempt Fund.

     The  tax-equivalent  yield of the  Tax-Exempt  Fund generally has been less
than the yield of the Cash  Management  Fund. For the 7-day period ended January
25, 1999, the yield for the Class A shares of the Tax-Exempt Fund was 2.06%, the
yield  for the  Class A  shares  of the Cash  Management  Fund  was  4.61%.  The
following  table shows,  for each of five tax brackets,  the average  annualized
tax-equivalent  yield of the Tax-Exempt  Fund for the 7-day period ended January
25, 1999.
<TABLE>
<CAPTION>


                                         Tax Bracket
<S>                           <C>         <C>      <C>      <C>     <C>  
                              15%         28%      31%      36%     39.6%
                              ---         ---      ---      ---     -----
Tax-equivalent yield         2.42%       2.86%    2.99%    3.22%    3.41%
</TABLE>

Federal Income Tax Consequences

     To  be  considered  a  tax-free   "reorganization"   under  the  applicable
provisions of the Code, a  reorganization  must exhibit a continuity of business
enterprise.  Because the Cash Management Fund will not use the Tax-Exempt Fund's
assets in its business or continue the Tax-Exempt Fund's historic business,  the
combination  of the  Tax-Exempt  Fund  with the Cash  Management  Fund  will not
exhibit a continuity of business enterprise. Therefore, the combination will not
be considered a tax-free  "reorganization,"  under applicable  provisions of the
Code.   Although   the   combination   will  not  be   considered   a   tax-free
"reorganization,"  in the opinion of tax  counsel to the Funds,  no gain or loss
will be recognized by either Fund or its  shareholders,  in connection  with the
combination,  and the tax cost basis of the Cash Management Fund shares received
by Tax-Exempt Fund shareholders will equal the tax cost basis of their shares in
the Tax-Exempt  Fund,  although  their holding  periods will begin anew with the
combination. The foregoing is only a summary of the principal federal income tax
consequences  of the  combination and should not be considered to be tax advice.
There can be no assurance that the Internal  Revenue  Service will concur on all
or any of the issues  discussed above. You may wish to consult with your own tax
advisers  regarding the federal,  state, and local tax consequences with respect
to the foregoing  matters and any other  considerations  which may apply in your
particular circumstances.

Capitalization

     The following tables show the capitalization of the Tax-Exempt Fund and the
Cash  Management  Fund  separately,  as of January 25, 1999, and combined in the
aggregate (unaudited), as of that date, giving effect to the Plan:

                                      -11-

<PAGE>

<TABLE>
<CAPTION>





                              Tax-Exempt              Cash          
                                 Fund           Management          Combined
                                                      Fund
<S>                           <C>               <C>              <C>    
     Net Assets:              $26,678,427     $333,911,502       $360,589,929
     Net Asset Value
       Per Share:                 $1.00            $1.00              $1.00

     Shares Outstanding:       26,678,427      333,911,502        360,589,929

</TABLE>

         COMPARISON OF INVESTMENT OBJECTIVES, POLICIES AND RESTRICTIONS

     The  investment  objectives  of  the  Funds  are  fundamental  and  certain
investment restrictions which are designated as such in the Funds' prospectus or
statement of additional  information  are  fundamental  policies that may not be
changed without  approval by the holders of the lesser of: (i) 67% of the fund's
shares present or represented at a shareholder's meeting at which the holders of
more than 50% of such shares are present or represented  by proxy;  or (ii) more
than 50% of the outstanding  shares of the Fund. All other  investment  policies
and  restrictions  are not  fundamental  and may be changed by a Fund's Board of
Directors without shareholder approval.

     The investment  objectives of the Cash  Management  Fund and the Tax-Exempt
Fund are substantially  similar. The investment objective of the Tax-Exempt Fund
is  to  seek,  through  investment  in a  professionally  managed  portfolio  of
high-quality,  short-term  municipal  obligations,  as high a level  of  current
interest  income exempt from federal income tax as is consistent  with stability
of principal and maintenance of liquidity.  The investment objective of the Cash
Management  Fund is to seek as high a level of income  available from short-term
securities  as is  considered  consistent  with  preservation  of principal  and
maintenance   of  liquidity   by  investing  in  a  portfolio  of   money-market
instruments.  The  principal  difference  between  the two  Funds  is  that  the
Tax-Exempt  Fund invests  primarily in tax-exempt  municipal  securities,  i.e.,
municipal  obligations  that  are  issued  by or on  behalf  of  state  or local
governments  or other public  authorities  and that pay interest which is exempt
from federal  income tax,  and the Cash  Management  Fund  invests  primarily in
taxable securities,  such as U.S. Government securities,  U.S. Government agency
securities,  bank  obligations,  commercial  paper,  short-term  corporate debt,
repurchase agreements and taxable municipal obligations.


                                      -12-

<PAGE>



     Both  Funds are  money-market  funds that  strive to  maintain a stable net
asset  value  of  $1.00  per  share.  Both  are  required  to  follow  stringent
requirements under the Investment Company Act, including those set forth in Rule
2a-7, which requires, in part, that a money-market fund may neither purchase any
instrument  with a remaining  maturity  of greater  than 397  calendar  days nor
maintain a dollar-weighted average portfolio maturity that exceeds 90 days. Rule
2a-7 also imposes certain portfolio quality and diversification requirements.

     The Funds have substantially  similar investment policies and restrictions.
For example,  in order to utilize  effectively cash reserves kept for liquidity,
each may invest in repurchase agreements, but neither will enter into repurchase
agreements that do not mature within seven days if any such investment, together
with other illiquid  securities held by the Fund,  would amount to more than 10%
of its assets. The primary differences arise in connection with: (i) the lending
of portfolio securities - the Tax-Exempt Fund, but not the Cash Management Fund,
may lend its  portfolio  securities  to  unaffiliated  broker-dealers  and other
unaffiliated  qualified financial  institutions (up to 30% of its assets);  (ii)
warrants - the Tax-Exempt  Fund, but not the Cash Management Fund, may invest in
warrants (up to 5% of its assets);  and (iii)  borrowing.  Both Funds may borrow
money, but only from banks for temporary or emergency  purposes.  The Tax-Exempt
Fund may borrow in an amount which permits it to maintain a 300% asset coverage.
While any such borrowing exceeds 5% of the Fund's total assets, the Fund may not
make  additional   purchases  of  investment   securities.   If  due  to  market
fluctuations  or other reasons the Fund's asset coverage falls below 300% of its
borrowings, the Fund will reduce its borrowings within 3 business days. The Cash
Management  Fund may borrow only in an amount not exceeding the lesser of (i) 5%
of the value of its assets,  or (ii) 10% of the value of its net assets taken at
cost at the time the borrowing is made.

     The Cash  Management  Fund's  investment  restrictions  are all fundamental
policies  except for the  restriction  dealing with  investments  in real estate
limited partnership  interests.  The Tax- Exempt Fund's investment  restrictions
are all  fundamental  policies  except for those  dealing  with  investments  in
illiquid  securities,  purchasing  securities  of  issuers  with less than three
year's  operations,  investing  in  securities  of other  investment  companies,
pledging,  mortgaging  or  hypothecating  assets,  investing  in  companies  for
purposes of exercising control or management,  writing or purchasing put or call
options and investing in real estate limited partnership interests.

                     ADDITIONAL INFORMATION ABOUT THE FUNDS

     Additional information about the Funds is available in their annual reports
to  shareholders  for the year  ended  October  31,  1998  and in the  following
documents  which have been  filed  with the SEC:  prospectus  and  statement  of
additional  information  for the  Tax-Exempt  Fund,  both  dated  March 1, 1999;
prospectus and statement of additional information for the Cash Management Fund,
both dated  March 1, 1999;  and  statement  of  additional  information  for the
registration statement of which this prospectus/proxy statement is a part, dated
March 1, 1999. You may obtain copies of the

                                      -13-

<PAGE>



annual  reports  to  shareholders,   the  prospectuses  and  the  statements  of
additional  information by contacting Princor Financial Services  Corporation at
Des Moines, Iowa 50392-0200, or by telephoning shareholder services toll-free at
1-800-247-4123.

     Each of the  Funds is  subject  to the  informational  requirements  of the
Securities Exchange Act of 1934, as amended,  and the Investment Company Act, as
applicable.   Accordingly,  each  files,  reports,  proxy  materials  and  other
information  with the SEC. You can inspect those  reports,  proxy  materials and
other  information at the public reference  facilities  maintained by the SEC at
450 Fifth Street,  N.W.,  Washington,  D. C. 20549. Copies of such material also
can be obtained from the Public Reference Branch, Office of Consumer Affairs and
Information  Services,  Securities  and Exchange  Commission,  450 Fifth Street,
N.W.,  Washington,  D. C. 20549,  at prescribed  rates, or at no charge from the
EDGAR database on the Commission's website at "www.sec.gov."


                            PROPOSALS OF SHAREHOLDERS

     A  shareholder  who has an issue that he or she would like to have included
in the agenda at a shareholder  meeting  should send the proposal to the Fund at
the Principal Financial Group, Des Moines, Iowa 50392-0200. To be considered for
presentation  at a  shareholders  meeting,  the  proposal  must  be  received  a
reasonable  time  before  a  solicitation  is  made  for  such  meeting.  Timely
submission  of a proposal does not  necessarily  mean that such proposal will be
included.

                                 OTHER BUSINESS

     We do not know of any business to be brought  before the meeting other than
the  matters  set forth in this  prospectus/proxy  statement.  Should  any other
matter requiring a vote of shareholders  arise,  however,  the proxies will vote
thereon according to their best judgment.

















                                      -14-

<PAGE>




                                   APPENDIX A:
                        AGREEMENT AND PLAN OF ACQUISITION



                                      -15-

<PAGE>



                        AGREEMENT AND PLAN OF ACQUISITION

     THIS  AGREEMENT  made as of the  25th day of  January,  1999 is made by and
among Principal Cash Management Fund, Inc., a Maryland corporation  (hereinafter
called "Cash  Management"),  Principal  Tax-Exempt Cash Management Fund, Inc., a
Maryland  corporation  (hereinafter  called "Tax-Exempt Cash  Management"),  and
Principal  Management  Corporation,  an  Iowa  corporation  (hereinafter  called
"Principal Management").

                                   WITNESSETH:

     Whereas  the  Board  of  Directors  of Cash  Management  and the  Board  of
Directors of Tax- Exempt Cash Management, each an open-end management investment
company,  deem it advisable  that Cash  Management  acquire all of the assets of
Tax-Exempt  Cash Management in exchange for the assumption by Cash Management of
all of the  liabilities of Tax-Exempt  Cash Management and shares issued by Cash
Management  which are thereafter to be distributed by Tax-Exempt Cash Management
pro  rata  to its  shareholders  in  complete  liquidation  and  termination  of
Tax-Exempt   Cash  Management  and  in  exchange  for  all  of  Tax-Exempt  Cash
Management's outstanding shares;

NOW, THEREFORE,  in consideration of the mutual promises herein contained,  each
of the parties  hereto  represents  and warrants to, and agrees with each of the
other parties as follows:

     1. Cash  Management  hereby  represents  and  warrants to  Tax-Exempt  Cash
Management that:

     (a)  Cash  Management  is  a  corporation  with  transferable  shares  duly
organized and validly  existing under the laws of Maryland and has full power to
own its  properties  and assets and to carry on its business as such business is
now being conducted;

     (b) Cash  Management's  statement of assets and  liabilities  as of October
31,1998 and the related  statements of operations  and changes in net assets for
the fiscal year ended  October 31, 1998,  all as certified by Ernst & Young LLP,
have been prepared in accordance with generally accepted  accounting  principles
applied on a consistent basis.  Such statement of assets and liabilities  fairly
presents the  financial  position and net assets of Cash  Management  as of such
date and such  statements of operations and changes in net assets fairly present
the results of its operations for the period covered thereby,

     (c) There are no claims,  actions,  suits or proceedings pending or, to its
knowledge,  threatened against or affecting Cash Management or its properties or
business or its right to issue and sell shares, or which would prevent or hinder
consummation  of the  transactions  contemplated  hereby,  and it is not charged
with,  or to  Cash  Management's  knowledge,  threatened  with,  any  charge  or
investigation  of any violation of any provision of any federal,  state or local
law or any  administrative  ruling or  regulation  relating to any aspect of its
business or the issuance or sale of its shares;


                                       A-1

<PAGE>



     (d) Cash  Management is not a party to or subject to any judgment or decree
or order entered in any suit or proceeding brought by any governmental agency or
by any other  person  enjoining  it in respect  of, or the effect of which is to
prohibit,  any  business  practice  or the  acquisition  of any  property or the
conduct of business by it or the issuance or sale of its shares in any area;

     (e) Cash Management has filed all tax returns  required to be filed, has no
liability for any unpaid taxes and has made a proper election to be treated as a
regulated  investment company under Subchapter M of the Internal Revenue Code of
1986  (the  "Code")  for each of its  taxable  years.  Cash  Management  has not
committed any action or failed to perform any necessary action that would render
invalid its election to be treated as a regulated  investment company for any of
its taxable years;

     (f) The  authorization,  execution and delivery of this Agreement on behalf
of  Cash  Management  does  not,  and  the   consummation  of  the  transactions
contemplated  hereby will not,  violate or conflict  with any  provision of Cash
Management's Articles of Incorporation or Bylaws, or any provision of, or result
in  the  acceleration  of any  obligation  under,  any  mortgage,  lien,  lease,
agreement,  instrument, order, arbitration award, judgment or decree to which it
is party or by which it or any of its assets is bound,  or  violate or  conflict
with any other  material  contractual  or statutory  restriction  of any kind or
character to which it is subject;

     (g) This  Agreement has been duly  authorized,  executed,  and delivered by
Cash Management and constitutes a valid and binding agreement of Cash Management
and all governmental  and other approvals  required for Cash Management to carry
out the  transactions  contemplated  hereunder  have  been or on or prior to the
Closing Date (as herein after defined) will have been obtained;

     (h) Cash Management is registered under the Investment Company Act of 1940,
as amended (the "1940 Act"), as an open-end,  diversified  management investment
company.  Cash  Management is currently in compliance  with the 1940 Act and the
rules of the Securities and Exchange Commission promulgated thereunder.  Neither
Cash Management nor its affiliates have violated  Section 9 of the 1940 Act, are
currently  subject  to  an  exemptive  order  of  the  Securities  and  Exchange
Commission pursuant to Section 9(c) of the 1940 Act, or are currently subject to
any current or threatened  investigation or enforcement action by the Securities
and Exchange  Commission  or any other  federal or state  authority  which could
result in a violation of Section 9(a) of the 1940 Act;

     (i) On the Closing Date, Cash Management will own its assets free and clear
of all liens, claims, charges, options and encumbrances;

     (j) Cash  Management  will declare to shareholders of record on or prior to
the Closing Date a dividend or dividends which,  together with all previous such
dividends,  shall have the effect of distributing to its shareholders all of its
income (computed without regard to any

                                       A-2

<PAGE>



deduction for dividends paid) and all of its net realized capital gains, if
any, as of the Closing Date;

     (k) On the Closing  Date the shares of Cash  Management  to be delivered to
Tax-Exempt  Cash  Management  hereunder  shall  have been  registered  under the
Securities  Act of 1933, as amended (the "1933 Act") and duly  authorized,  and,
when issued and delivered  pursuant to this  Agreement,  will be validly issued,
fully  paid  and  nonassessable;  and  Cash  Management  will  comply  with  all
applicable  laws in connection with the issuance of such shares and shall not be
subject to a stop-order of the Securities and Exchange  Commission in connection
therewith.

     2.  Tax-Exempt  Cash  Management  hereby  represents  and  warrants to Cash
Management that:

     (a) Tax-Exempt Cash Management is a corporation  with  transferable  shares
duly  organized  and validly  existing  under the laws of Maryland  and has full
power to own its  properties  and  assets and to carry on its  business  as such
business is now being conducted;

     (b) Tax-Exempt Cash Management's  statement of assets and liabilities as of
October 31, 1998 and the related  statements  of  operations  and changes in net
assets for the fiscal year ended  October  31,1998,  all as certified by Ernst &
Young LLP, have been prepared in accordance with generally  accepted  accounting
principles  applied  on  a  consistent  basis.  Such  statement  of  assets  and
liabilities  fairly presents the financial position and net assets of Tax-Exempt
Cash Management as of that date and such statements of operations and changes in
net assets fairly present the results of its operations for the periods  covered
thereby.

     (c) There are no claims,  actions,  suits or proceedings pending or, to its
knowledge,  threatened  against or affecting  Tax-Exempt  Cash Management or its
properties  or  business or its tight to issue and sell  shares,  or which would
prevent or hinder consummation of the transactions  contemplated  hereby, and it
is not charged with, or to Tax-Exempt Cash  Management's  knowledge,  threatened
with,  any charge or  investigation  of any  violation  of any  provision of any
federal,  state or local law or any administrative ruling or regulation relating
to any aspect of its business or the issuance or sale of its shares;

     (d) Tax-Exempt  Cash  Management is not party to or subject to any judgment
or decree or order entered in any suit or proceeding brought by any governmental
agency or by any other  persons  enjoining  it in  respect  of, or the effect of
which is to prohibit,  any business  practice or the acquisition of any property
or the conduct of  business  by it or the  issuance or sale of its shares in any
area;

     (e) Tax-Exempt  Cash  Management  has filed all tax returns  required to be
filed,  has no liability for any unpaid taxes and has made a proper  election to
be treated as a regulated

                                       A-3

<PAGE>



investment company under Subchapter M of the Code for each of its taxable years.
Tax- Exempt Cash  Management  has not  committed any action or failed to perform
any necessary  action that would render  invalid its election to be treated as a
regulated investment company for any of its taxable years;

     (f) The  authorization,  execution and delivery of this Agreement on behalf
of Tax-Exempt Cash Management does not, and the consummation of the transactions
contemplated  hereby  will  not,  violate  or  conflict  with any  provision  of
Tax-Exempt  Cash  Management's  Articles  of  Incorporation  or  Bylaws,  or any
provision  of,  or result  in the  acceleration  of any  obligation  under,  any
mortgage, lien, lease, agreement, instrument, order, arbitration award, judgment
or decree to which it is party or by which it or any of its assets is bound,  or
violate or conflict with any other material contractual or statutory restriction
of any kind or character to which it is subject;

     (g) This  Agreement has been duly  authorized,  executed,  and delivered by
Tax-Exempt  Cash  Management  and  constitutes a valid and binding  agreement of
Tax-Exempt Cash Management,  and all  governmental and other approvals  required
for  Tax-Exempt  Cash  Management  to carry  out the  transactions  contemplated
hereunder have been or on or prior to the Closing Date will have been obtained;

     (h) On the Closing Date Tax-Exempt Cash Management will own its assets free
and clear of all liens, claims,  charges,  options, and encumbrances and, except
for  the  Management  Agreement,  Investment  Service  Agreement,   Distribution
Agreement,  Distribution and Shareholder  Servicing  Agreement and the Custodian
Agreement  with  Bank of New  York,  there  will  be no  material  contracts  or
agreements  (other than this  Agreement)  outstanding to which  Tax-Exempt  Cash
Management is a party or to which it is subject;

     (i) On the Closing Date  Tax-Exempt  Cash  Management will have full right,
power and authority to sell, assign and deliver the assets to be sold, assigned,
transferred  and delivered to Cash Management  hereunder,  and upon delivery and
payment for such assets,  Cash  Management will acquire good,  marketable  title
thereto free and clear of all liens, claims, charges, options and encumbrances;

     (j) Tax-Exempt Cash Management will declare to shareholders of record on or
prior to the  Closing  Date a dividend or  dividends  which,  together  with all
previous  such  dividends,   shall  have  the  effect  of  distributing  to  the
shareholders  all of its income  (computed  without  regard to any deduction for
dividends  paid) and all of its net realized  capital  gains,  if any, as of the
Closing; and

     (k)  Tax-Exempt  Cash  Management  will,  from  time to  time,  as and when
requested  by Cash  Management,  execute and deliver or cause to be executed and
delivered all such assignments and other instruments, and will take and cause to
be taken such further action, as Cash Management may deem necessary or desirable
in order to vest in and confirm to Cash  Management  title to and  possession of
all the assets of Tax-Exempt

                                       A-4

<PAGE>



Cash Management to be sold,  assigned,  transferred and delivered  hereunder and
otherwise to carryout the intent and purpose of this Agreement.

     3. Based on the respective  representations and warranties,  subject to the
terms and conditions  contained  herein,  Tax-Exempt Cash  Management  agrees to
transfer  to  Cash  Management  and  Cash  Management  agrees  to  acquire  from
Tax-Exempt Cash  Management,  all of the assets of Tax-Exempt Cash Management on
the  Closing  Date and to assume  from  Tax-Exempt  Cash  Management  all of the
liabilities  of Tax-Exempt  Cash  Management in exchange for the issuance of the
number  of  shares  of Cash  Management  provided  in  Section  4 which  will be
subsequently  distributed  pro  rata  to the  shareholders  of  Tax-Exempt  Cash
Management  in  complete   liquidation  and  termination  of  Tax-  Exempt  Cash
Management and in exchange for all of Tax-Exempt Cash  Management's  outstanding
shares.  Tax-Exempt Cash Management shall not issue, sell or transfer any of its
shares  after  the  Closing  Date,  and only  redemption  requests  received  by
Tax-Exempt  Cash  Management  in proper form prior to the Closing  Date shall be
fulfilled  by  Tax-Exempt  Cash  Management.  Redemption  requests  received  by
Tax-Exempt  Cash  Management   thereafter  shall  be  treated  as  requests  for
redemption of those shares of Cash  Management  allocable to the  shareholder in
question as provided in Section 6 of this Agreement.

     4. On the Closing  Date,  Cash  Management  will issue to  Tax-Exempt  Cash
Management a number of full and fractional  shares of Cash Management,  taken at
their then net asset  value,  having an  aggregate  net asset value equal to the
aggregate value of the net assets of Tax-Exempt Cash  Management.  The aggregate
value of the net assets of Tax-Exempt Cash Management and Cash Management  shall
be determined in accordance with the then current  Prospectus of Cash Management
as of closing of the New York Stock Exchange on the Closing Date.

     5. The closing of the  transactions  contemplated  in this  Agreement  (the
"Closing") shall be held at the offices of Principal Management, 680 8th Street,
Des Moines,  Iowa 50392- 0200 (or at such other place as the parties  hereto may
agree) at 3:00 p.m. Central Daylight Time on April 8, 1999 or on such earlier or
later date as the  parties  hereto  may  mutually  agree.  The date on which the
Closing  is to be held as  provided  in this  Agreement  shall  be  known as the
"Closing Date."

     In the event that on the  Closing  Date (a) the New York Stock  Exchange is
closed for other than customary  week-end and holiday closings or (b) trading on
said Exchange is  restricted or (c) an emergency  exists as a result of which it
is not reasonably  practicable for Cash Management or Tax-Exempt Cash Management
to fairly determine the value of its assets, the Closing Date shall be postponed
until the first  business  day after the day on which  trading  shall  have been
fully resumed.

     6. As soon as practicable  after the Closing,  Tax-Exempt  Cash  Management
shall  (a)  distribute  on a pro rata  basis to the  shareholders  of  record of
Tax-Exempt Cash

                                       A-5

<PAGE>



Management  at the close of  business  on the  Closing  Date the  shares of Cash
Management received by Tax-Exempt Cash Management at the Closing in exchange for
all of Tax- Exempt Cash Management's  outstanding  shares, and (b) be liquidated
and  dissolved  in  accordance   with   applicable   law  and  its  Articles  of
Incorporation.

     For  purposes  of  the   distribution  of  shares  of  Cash  Management  to
shareholders of Tax-Exempt Cash Management,  Cash Management shall credit on the
books of Cash  Management an appropriate  number of shares of Cash Management to
the account of each shareholder of Tax-Exempt Cash  Management.  Cash Management
will issue a certificate or certificates only upon request and, in the case of a
shareholder  of Tax- Exempt Cash  Management  whose  shares are  represented  by
certificates,  only upon surrender of such certificates. No certificates will be
issued for  fractional  shares of Cash  Management.  After the Closing  Date and
until  surrendered,  each outstanding  certificate  which,  prior to the Closing
Date, represented shares of Tax-Exempt Cash Management,  shall be deemed for all
purposes of Cash  Management's  Articles of Incorporation and Bylaws to evidence
the appropriate  number of shares of Cash Management to be credited on the books
of Cash  Management in respect of such shares of Tax-Exempt  Cash  Management as
provided above.

     7.  Subsequent to the execution of this  Agreement and prior to the Closing
Date,  Tax- Exempt  Cash  Management  shall  deliver to Cash  Management  a list
setting  forth the assets to be  assigned,  delivered  and  transferred  to Cash
Management,  including the securities  then owned by Tax-Exempt  Cash Management
and the  respective  federal  income  tax bases (on an  identified  cost  basis)
thereof,  and the liabilities to be assumed by Cash Management  pursuant to this
Agreement.

     8.  All of  Tax-Exempt  Cash  Management's  portfolio  securities  shall be
delivered by Tax- Exempt Cash Management's custodian on the Closing Date to Cash
Management or its custodian, either endorsed in proper form for transfer in such
condition as to constitute good delivery thereof in accordance with the practice
of brokers or, if such securities are held in a securities depository within the
meaning of Rule 17f-4 under the 1940 Act,  transferred to an account in the name
of Cash  Management  or its  custodian  with  said  depository.  All  cash to be
delivered  pursuant to this Agreement shall be transferred  from Tax-Exempt Cash
Management's  account  at its  custodian  to Cash  Management's  account  at its
custodian.  If on the Closing Date  Tax-Exempt Cash Management is unable to make
good delivery pursuant to this Section 8 to Cash  Management's  custodian of any
of Tax- Exempt Cash Management's  portfolio  securities  because such securities
have not yet been  delivered to Tax-Exempt  Cash  Management's  custodian by its
brokers  or by the  transfer  agent  for  such  securities,  then  the  delivery
requirement of this Section 8 with respect to such  securities  shall be waived,
and Tax-Exempt Cash Management shall deliver to Cash  Management's  custodian on
or by said  Closing Date with respect to said  undelivered  securities  executed
copies of an agreement of assignment in a form  satisfactory to Cash Management,
and a due bill or due bills in form and substance satisfactory to the

                                       A-6

<PAGE>



custodian,  together with such other documents including brokers' confirmations,
as may be reasonably required by Cash Management.

     9. The obligations of Cash Management under this Agreement shall be subject
to receipt by Cash Management on or prior to the Closing Date of:

     (a)  Copies  of the  resolutions  adopted  by the  Board  of  Directors  of
Tax-Exempt  Cash  Management and its  shareholders  authorizing the execution of
this Agreement by Tax- Exempt Cash Management and the transactions  contemplated
hereunder,  certified by the Secretary or Assistant Secretary of Tax-Exempt Cash
Management;

     (b) A  certificate  of the  Secretary or Assistant  Secretary of Tax-Exempt
Cash Management as to the signatures and incumbency of its officers who executed
this Agreement on behalf of Tax-Exempt  Cash  Management and any other documents
delivered in connection with the transactions  contemplated thereby on behalf of
Tax-Exempt Cash Management;

     (c) A certificate of an appropriate  officer of Tax-Exempt  Cash Management
as to the  fulfillment  of all  agreements  and  conditions  on its  part  to be
fulfilled  hereunder  at or prior to the Closing Date and to the effect that the
representations  and  warranties  of Tax-  Exempt Cash  Management  are true and
correct in all material respects at and as of the Closing Date as if made at and
as of such date; and

     (d)  Such  other  documents,  including  an  opinion  of  counsel,  as Cash
Management  may  reasonably  request to show  fulfillment  of the  purposes  and
conditions of this Agreement.

     10. The  obligations  of Tax-Exempt  Cash  Management  under this Agreement
shall be subject to receipt by  Tax-Exempt  Cash  Management  on or prior to the
Closing Date of:

     (a) Copies of the  resolutions  adopted by the Board of  Directors  of Cash
Management  authorizing  the execution of this  Agreement  and the  transactions
contemplated  hereunder,  certified by the  Secretary or Assistant  Secretary of
Cash Management,

     (b)  A  certificate  of  the  Secretary  or  Assistant  Secretary  of  Cash
Management as to the signatures and incumbency of its officers who executed this
Agreement  on behalf of Cash  Management  and any other  documents  delivered in
connection  with  the  transactions  contemplated  thereby  on  behalf  of  Cash
Management,

     (c) A certificate  of an appropriate  officer of Cash  Management as to the
fulfillment  of all  agreements  and  conditions  on its  part  to be  fulfilled
hereunder  at or  prior  to  the  Closing  Date  and  to  the  effect  that  the
representations  and  warranties of Cash  Management are true and correct in all
material  respects  at and as of the  Closing  Date as if made at and as of such
date; and


                                       A-7

<PAGE>



     (d) Such other  documents,  including an opinion of counsel,  as Tax-Exempt
Cash Management may reasonably  request to show  fulfillment of the purposes and
conditions of this Agreement.

     11. The  obligations of the parties under this  Agreement  shall be subject
to:

     (a) Any required approval, at a meeting duly called for the purpose, of the
holders  of the  outstanding  shares  of  Tax-Exempt  Cash  Management  of  this
Agreement and the transactions contemplated hereunder, and

     (b) The right to abandon and terminate this  Agreement,  if either party to
this Agreement  believes that the consummation of the transactions  contemplated
hereunder would not be in the best interests of its shareholders.

     12. Except as expressly  provided  otherwise in this  Agreement,  Principal
Management  will pay or cause to be paid all  out-of  pocket  fees and  expenses
incurred by Tax-Exempt Cash Management or Cash Management in connection with the
transactions  contemplated under this Agreement,  including, but not limited to,
accountants' fees, legal fees,  registration fees,  printing expenses,  transfer
taxes (if any) and the fees of banks and transfer agents.  This obligation shall
survive the  termination  or  expiration  of this  Agreement  regardless  of the
consummation of the transactions contemplated hereunder.

     13. This  Agreement  may be amended by an  instrument  executed by both the
duly  authorized  officers of Cash  Management and Tax-Exempt Cash Management at
any time,  except that after  approval by the  shareholders  of Tax-Exempt  Cash
Management no amendment  may be made with respect to the Agreement  which in the
opinion of the Board of  Directors  of  Tax-Exempt  Cash  Management  materially
adversely   affects  the  interests  of  the  shareholders  of  Tax-Exempt  Cash
Management.  At any time either party hereto may by written instrument signed by
it (i) waive any inaccuracies in the  representations  and warranties made to it
contained  herein  and  (ii)  waive  compliance  with  any of the  covenants  or
conditions made for its benefit contained herein.

     14. In addition  to the right to  terminate  this  Agreement  described  in
paragraph 11, this  Agreement may be  terminated  and the plan  described in the
Agreement  abandoned at any time prior to the Closing  Date,  whether  before or
after action  thereon by the  shareholders  of Tax-Exempt  Cash  Management  and
notwithstanding favorable action by such shareholders,  by mutual consent of the
Board of Directors of Cash  Management  and the Board of Directors of Tax-Exempt
Cash Management. This Agreement may also be terminated by action of the Board of
Directors  of Cash  Management  or the Board of  Directors  of  Tax-Exempt  Cash
Management (the "Terminating Fund"), if:

     (a) The plan described in the Agreement shall not have become  effective by
August 6, 1999  (hereinafter  called the "Final  Date")  unless  such Final Date
shall have been changed by mutual agreement; or

                                       A-8

<PAGE>



         (b)  Cash  Management  shall,  at the Final Date, have failed to comply
              with any of its agreements; or

         (c)  Prior to the Final Date any one or more of the  conditions  to the
              obligations of Cash  Management  contained in this Agreement shall
              not be fulfilled to the reasonable satisfaction of Tax-Exempt Cash
              Management   and  its  counsel  or  it  shall  become  evident  to
              Tax-Exempt  Cash  Management  that  any  of  such  conditions  are
              incapable of being fulfilled.

         15.      This  Agreement  shall  bind and inure to the  benefit  of the
                  parties  hereto and is not  intended  to confer upon any other
                  person any rights or remedies hereunder.

         16.      The parties  hereto  represent  and warrant that they have not
                  employed any broker, finder or intermediary in connection with
                  this  transaction  who might be entitled to a finder's  fee or
                  other similar fee or commission.

         17.      All prior or  contemporaneous  agreements and  representations
                  are hereby merged into this Agreement,  which  constitutes the
                  entire contract between the parties hereto.

         18.      This   Agreement   shall  be  governed  by  and  construed  in
                  accordance with the laws of the State of Iowa.

         19.      This Agreement maybe executed in one or more counterparts, all
                  of which shall be considered one and the same  agreement,  and
                  shall become  effective  when one or more of the  counterparts
                  has been signed by all parties hereto.

         20.      Principal  Management  shall  indemnify,  defend  and  hold
                  harmless the Cash Management Fund, its officers, directors,
                  employees and agents against all losses,  claims,  demands,
                  liabilities and expenses,  including  reasonable  legal and
                  other expenses incurred in defending claims or liabilities,
                  whether  or not  resulting  in any  liability  to the  Cash
                  Management  Fund,  its  officers,  directors,  employees or
                  agents, arising out of (1) breach by the Tax-Exempt Fund of
                  any warranty made by the Tax-Exempt  Fund herein or (2) any
                  untrue  statement or alleged untrue statement of a material
                  fact contained in any prospectus or registration  statement
                  for the  Tax-Exempt  Fund,  as  filed  with  the SEC or any
                  state,  or any amendment or supplement  thereto,  or in any
                  information provided by the Tax-Exempt Fund included in any
                  registration  statement  filed by the Cash  Management Fund
                  with the SEC or any state or any  amendment  or  supplement
                  thereto;  or which  shall arise out of or be based upon any
                  omission or alleged  omission  to state  therein a material
                  fact  required  to  be  stated  in  any  such   prospectus,
                  registration statement or application necessary to make the
                  statements therein not misleading. This indemnity provision
                  shall survive the termination of this Agreement.

         21.      Cash  Management  shall  indemnify,  defend and hold  harmless
                  Tax-Exempt Cash Management, its officers,  trustees, employees
                  and agents against all losses, claims,

                                       A-9

<PAGE>



                  demands,  liabilities and expenses, including reasonable legal
                  and  other   expenses   incurred   in   defending   claims  or
                  liabilities,  whether or not  resulting  in any  liability  to
                  Tax-Exempt Cash Management, its officers,  trustees, employees
                  or  agents,  arising  out of any untrue  statement  or alleged
                  untrue   statement  of  a  material  fact   contained  in  any
                  prospectus or registration  statement for Cash Management,  as
                  filed  with  the  SEC  or  any  state,  or  any  amendment  or
                  supplement  thereto,  or  any  application  prepared  by or on
                  behalf of Cash Management and filed with any state  regulatory
                  agency  in  order  to  register  or  qualify  shares  of  Cash
                  Management  under the securities laws thereof;  or which shall
                  arise out of or be based upon any omission or alleged omission
                  to state  therein a material fact required to be stated in any
                  such   prospectus,   registration   statement  or  application
                  necessary  to make  the  statements  therein  not  misleading;
                  provided,  however,  Cash Management  shall not be required to
                  indemnify Tax-Exempt Cash Management, its officers,  trustees,
                  employees  and  agents  against  any  loss,   claim,   demand,
                  liability or expense arising out of any  information  provided
                  by Tax-Exempt  Cash  Management  included in any  registration
                  statement  filed by Cash Management with the SEC or any state,
                  or  any  amendment  or  supplement  thereto.   This  indemnity
                  provision shall survive the termination of this Agreement.

         22.      The  execution of this  Agreement  has been  authorized by the
                  Board of  Directors  of Cash  Management  and by the  Board of
                  Directors of Tax-Exempt Cash Management.

         IN WlTNESS WHEREOF, the parties hereto have caused this Agreement to be
executed and attested by their  officers  thereunto duly  authorized,  as of the
date first written above.

                                           PRINCIPAL CASH MANAGEMENT FUND, INC.

Attest:                                    BY: /s/ Arthur S. Filean          
By: /s/ Ernest H. Gillum                   TITLE: Vice President and Secretary

Title:   Assistant Secretary             

                                           PRINCIPAL TAX-EXEMPT CASH
                                           MANAGEMENT FUND, INC.

Attest:                                    BY: /s/ Arthur S. Filean          

By: /s/ Ernest H. Gillum                   TITLE: Vice President and Secretary

Title:   Assistant Secretary            






                                     A-10

<PAGE>



                                            PRINCIPAL MANAGEMENT CORPORATION

Attest:                                     BY: /s/ Arthur S. Filean       

By: /s/ Ernest H. Gillum                    TITLE: Vice President    

Title:   Vice President                   







































                                      A-11

<PAGE>


                      PRINCIPAL CASH MANAGEMENT FUND, INC.

                           Des Moines, Iowa 50392-0200

                       STATEMENT OF ADDITIONAL INFORMATION

         This Statement of Additional Information is not a prospectus and should
be read in conjunction with the  prospectus/proxy  statement dated March 1, 1999
for the special  meeting of the holders of the common stock,  $.01 par value per
share,  of Principal  Tax-Exempt  Cash  Management  Fund,  Inc., a  diversified,
open-end management  investment company. The meeting is to be held on Wednesday,
April 7, 1999.

         The   prospectus/proxy   statement   describes   certain   transactions
contemplated  by the proposed  combination of the Tax-Exempt Fund with Principal
Cash  Management  Fund,  Inc.  pursuant to the terms of an Agreement and Plan of
Acquisition  among  the  two  Funds  and  their  manager,  Principal  Management
Corporation.  Under the Plan,  Principal Cash  Management Fund would acquire all
the assets and assume all the  liabilities of the  Tax-Exempt  Fund and issue in
exchange  shares  of its  Class  A  common  stock.  The  Tax-Exempt  fund  would
immediately   redeem  all  its  outstanding  shares  by  distributing  the  Cash
Management Fund shares to its shareholders.  As a result, each shareholder would
own the same number of shares in the Cash Management Fund as he or she had owned
in the Tax-Exempt Fund at the effective time. Principal  Management  Corporation
has agreed to pay all  expenses  incurred  by the Funds in  connection  with the
Plan.

         The date of the Statement of Additional Information is March 1, 1999






















                                      B-1

<PAGE>




                              FINANCIAL STATEMENTS

     The following audited historical financial statements and footnotes thereto
of the Tax-Exempt Fund and the Cash Management Fund, together with the Report of
Independent  Auditors  thereon,  are  incorporated  herein by reference from the
Funds' Annual Report to Shareholders for the year ended October 31, 1998:

         (1)  Statement of Assets and Liabilities for each of the Funds as of
              October 31, 1998;

         (2)  Statement of  Operations  for each of the Funds for the year ended
              October 31, 1998;

         (3)  Statement  of  Changes in Net Assets for each of the Funds for the
              years ended October 31, 1998 and 1997;

         (4)  Schedule  of  Investments  of each of the Funds as of October  31,
              1998;

         (5)  Financial Highlights for each of the Funds; and

         (6)  Notes to Financial Statements.

         The audited  financial  statements of the Funds  incorporated into this
Statement  of  Additional  Information  have been  audited by Ernst & Young LLP,
independent auditors,  as  indicated  in their  report with  respect
thereto,  which  also is  incorporated  by  reference  into  this  Statement  of
Additional  Information,  and have been so  incorporated  in  reliance  upon the
report of Ernst & Young LLP given upon the  authority of that firm as experts in
accounting and auditing.

                                OTHER INFORMATION

         The information otherwise required to be set forth in this Statement of
Additional  Information  is  included  in the  prospectuses  and  Statements  of
Additional  Information  of the two Funds,  all dated March 1, 1999,  and in the
Funds' Annual Reports to  Shareholders  for the year ended October 31, 1998, all
of which are incorporated herein by reference.


                                      B-2

<PAGE>




                            PART C: OTHER INFORMATION

Item 15.  Indemnification.

The  information  required in response  to this item is  incorporated  herein by
reference  to  Item  27 of  Post-Effective  Amendment  No.  26  to  Registrant's
Registration Statement on Form N-1A (File No.
2-79791) as filed with the Commission on December 30, 1998.

Item 16.  Exhibits.

Exhibit Number                        Description

(1)                                   Articles of Amendment and  Restatement of
                                      the   Charter   of   the   Registrant   -
                                      incorporated   herein  by   reference  to
                                      Exhibit 1(b) to Post-Effective  Amendment
                                      No.  26  to   Registrant's   Registration
                                      Statement on Form N-1A (File No. 2-79791)
                                      as filed with the  Commission on December
                                      30, 1998.

(2)                                   By-Laws of the  Registrant -  incorporated
                                      herein  by   reference  to  Exhibit  2  to
                                      Post-Effective   Amendment   No.   26   to
                                      Registrant's   Registration  Statement  on
                                      Form N-1A (File No. 2-79791) as filed with
                                      the Commission on December 30, 1998.

(3)                                   None

(4)                                   Copy of Agreement and Plan of  Acquisition
                                      (included  as  Appendix  A  to  the  Proxy
                                      Statement/Prospectus, which is part of the
                                      Registration Statement on Form N-14).

(5)                                   None

(6)(a)                                Management    Agreement   Amendment   and
                                      Restatement  with  Principal   Management
                                      Corporation  -  incorporated   herein  by
                                      reference     to    Exhibit    5(a)    to
                                      Post-Effective   Amendment   No.   26  to
                                      Registrant's  Registration  Statement  on
                                      Form  N-1A  (File No.  2-79791)  as filed
                                      with the Commission on December 30, 1998.

(6)(b)                                Investment     Service     Agreement     -
                                      incorporated   herein  by   reference   to
                                      Exhibit 5(b) to  Post-Effective  Amendment
                                      No.   19  to   Registrant's   Registration
                                      Statement on Form N-1A (File No.  2-79791)
                                      as filed with the  Commission  on February
                                      26, 1996.

(7)(a)                                Distribution   Agreement  -  incorporated
                                      herein by  reference  to Exhibit  6(a) to
                                      Post-Effective   Amendment   No.   19  to
                                      Registrant's  Registration  Statement  on
                                      Form N-1A (File No. 2-79791) as filed

                                      C-1

<PAGE>



                                      with the Commission on February 26, 1996.

(7)(b)                                Dealer  Selling  Agreement -  incorporated
                                      herein by  reference  to  Exhibit  9(a) to
                                      Post-Effective   Amendment   No.   26   to
                                      Registrant's   Registration  Statement  on
                                      Form N-1A (File No. 2-79791) as filed with
                                      the Commission on December 30, 1998.

(8)                                   None

(9)                                   Custody Agreement - incorporated herein by
                                      reference     to    Exhibit     8(a)    to
                                      Post-Effective   Amendment   No.   19   to
                                      Registrant's   Registration  Statement  on
                                      Form N-1A (File No. 2-79791) as filed with
                                      the Commission on February 26, 1996.

(10)(a)                               12b-1 Plan - Class B Shares 12b-1 Plan is
                                      incorporated   herein  by   reference  to
                                      Exhibit 15(b) to Post-Effective Amendment
                                      No.  18  to   Registrant's   Registration
                                      Statement on Form N-1A (File No. 2-79791)
                                      as filed with the  Commission on December
                                      14, 1995.

(10)(b)                               12b-1  Plan - Class R Shares  12b-1 Plan -
                                      incorporated   herein  by   reference   to
                                      Exhibit 15(r) to Post-Effective  Amendment
                                      No.   18  to   Registrant's   Registration
                                      Statement on Form N-1A (File No.  2-79791)
                                      as filed with the  Commission  on December
                                      14, 1995.

(10)(c)                               Rule 18f-3 - Multiple  Class  Distribution
                                      Plan - incorporated herein by reference to
                                      Exhibit 18 to Post-Effective Amendment No.
                                      26 to Registrant's  Registration Statement
                                      on Form N-1A (File No.  2-79791)  as filed
                                      with the Commission on December 30, 1998.

(11)                                  Opinion and consent of Counsel  regarding
                                      legality of securities being registered.

(12)                                  Opinion and consent of Counsel  regarding
                                      certain tax matters and  consequences  to
                                      shareholders.

(13)                                  None

(14)                                  Consent of Independent Auditors

(15)                                  None

(16)                                  Powers  of  attorney   executed  by  J.B.
                                      Griswell,   J.  E.  Aschenbrenner,   S.L.
                                      Jones, J.D. Davis, P. A. Ferguson,  D. P.
                                      Francis,  R. W.  Gilbert,  B. A. Lukavsky
                                      and R. G. Peebler.


                                      C-2

<PAGE>


(17)(a)                               Form of Proxy Ballot

(17)(b)                               Registrant's  Rule 24f-2 Notice  pursuant
                                      to  Rule  24f-2   under  the   Investment
                                      Company  Act of 1940 for its fiscal  year
                                      ended  October  31,  1998 -  incorporated
                                      herein by  reference  to Form 24f-2 filed
                                      with the Commission on January 29, 1999
                                      

Item 17. Undertakings.

         The undersigned  registrant agrees that prior to any public offering of
the  securities  registered  through the use of a prospectus  which is a part of
this  registration  statement  by any  person  or party  who is  deemed to be an
underwriter  within the  meaning of Rule  145(c) of the  Securities  Act [17 CFR
230.145c],  the reoffering prospectus will contain the information called for by
the applicable  registration  form for  reofferings by persons who may be deemed
underwriters,  in addition to the  information  called for by the other items of
the applicable form.

         The undersigned  registrant  agrees that every prospectus that is filed
under  paragraph  (1)  above  will  be  filed  as part  of an  amendment  to the
registration  statement  and will not be used until the  amendment is effective,
and that, in determining any liability  under the 1933 Act, each  post-effective
amendment shall be deemed to be a new registration  statement for the securities
offered therein,  and the offering of securities at that time shall be deemed to
be the initial bona fide offering of them.

                                      C-3

<PAGE>


                                   SIGNATURES

As required by the Securities Act of 1933, this registration  statement has been
signed on behalf of the  registrant,  in the City of Des Moines and the State of
Iowa, on the 28th day of January, 1999.

                                     Principal Cash Management Fund, Inc.

                                     By: /s/ Stephan L. Jones               
                                             Stephan L. Jones
                                             President


As required by the Securities Act of 1933, this registration  statement has been
signed by the following persons in the capacities and on the dates indicated:


Signature                      Title                                 Date


/s/Stephan L. Jones       
Stephan L. Jones           Director and President              January 28, 1999
                          (Principal Executive Officer)

                *                    
J. Barry Griswell          Director and                        January 28, 1999
                           Chairman of the Board

                *                    
John E. Aschenbrenner      Director                            January 28, 1999

                *                    
James D. Davis             Director                            January 28, 1999

                *                    
Pamela A. Ferguson         Director                            January 28, 1999

                *                    
Dennis P. Francis          Director                            January 28, 1999

                *                    
Richard W. Gilbert         Director                            January 28, 1999






<PAGE>


Signature                        Title                             Date


                *                    
Barbara A. Lukavsky              Director                      January 28, 1999


                *                    
Richard G. Peebler               Director                      January 28, 1999


/s/ Michael J. Beer              Financial Officer             January 28, 1999
- ---------------------------      (Principal Financial and
Michael J. Beer                  Accounting Officer)
                                 



*By /s/ S.L. Jones         
       S. L. Jones
       Attorney -in- Fact
       Pursuant to powers of
       attorney filed herewith

                                      C-4

<PAGE>



[Logo]
Principal Financial Group                    Principal Life Insurance Company
Des Moines, Iowa USA 50392-0001
(515) 247-5111

January 25, 1999

Board of Directors
Principal Cash Management Fund, Inc.
Des Moines, IA 50392-0200

Re:      Registration Statement on Form N-14
         Pursuant to Securities Act of 1933


I am familiar with the proposed issuance by Principal Cash Management Fund,
Inc.  of shares of its  Class A common  stock,  par  value  $.01 per  share,  in
connection  with the transfer to it of the assets and  liabilities  of Principal
Tax-Exempt Cash Management Fund, Inc.  pursuant to the terms of an Agreement and
Plan of Acquisition to which they are parties (the "Shares"). I am also familiar
with the above-referenced  Registration Statement (the "Registration Statement")
filed with the Securities and Exchange Commission relating to the offer and sale
of Shares. Based upon such investigation as I have deemed necessary, I am of the
opinion that the Shares,  when issued in accordance  with the terms described in
the   Registration   Statement,   will  be  legally   issued,   fully  paid  and
non-assessable.

I hereby consent to the filing of this opinion as a exhibit to the  Registration
Statement.

Very truly yours,


/s/ Michael D. Roughton     
Michael D. Roughton
Counsel


<PAGE>




[Logo]
Principal Financial Group                  Principal Life Insurance Company
Des Moines, Iowa USA  50392.0001
(515) 247-5111

January 26, 1999


Board of Directors
Principal Cash Management Fund, Inc.
Principal Tax-Exempt Cash Management Fund, Inc.
711 High Street
Des Moines, Iowa 50309

RE:      Acquisition of  Principal Tax-Exempt Cash Management Fund, Inc. 
         by Principal Cash Management Fund, Inc.

To the Board of Directors and Shareholders:

Principal Cash Management Fund,  Inc.,  intends to acquire all of the assets and
assume all the liabilities of Principal Tax-Exempt Cash Management Fund, Inc., a
Maryland  corporation (the  "Tax-Exempt  Fund"),  in a transaction  described in
Application for an Order Pursuant to Section 17(b),  File No.  812-11390,  filed
with the United States Securities and Exchange Commission. You have requested an
opinion   regarding  the  federal  income  tax   consequences  of  the  proposed
transaction.

Principal Cash  Management  Fund, Inc. (the "Fund") has qualified as a regulated
investment  company for purposes of Subchapter M of the United  States  Internal
Revenue Code of 1986 (the  "Code"),  as amended,  and has elected to be taxed as
such. The Tax-Exempt Fund has made an identical election,  as well as qualifying
to pay exempt-interest dividends under section 852(b)(5).

The Fund will acquire all of the assets and assume all of the liabilities of the
Tax-Exempt  Fund in exchange for shares of the Fund.  The  Tax-Exempt  Fund will
immediately  liquidate  and  dissolve,  distributing  the  shares of the Fund to
shareholders  of the  Tax-Exempt  Fund  in  retirement  of the  shares  of  that
corporation.  Each holder of shares of the  Tax-Exempt  Fund will as a result of
the transaction own shares of the Fund.

The  following  representations  have been made by an officer of the  Tax-Exempt
Fund, the Fund or are contained in the Application  filed with the United States
Securities and Exchange Commission:

1.       The fair market  value of the shares of the Fund to be received by each
         shareholder of the Tax-Exempt Fund in the transaction  will be equal to
         the fair market value of the shares of the Tax-Exempt Fund  surrendered
         therefor.



2.       As set forth in the Application,  immediately prior to this transaction
         the Tax-Exempt  Fund will hold only cash or other  securities  that are
         eligible investments for the Fund (having previously managed its assets
         such that the tax-exempt  securities  once held by the Tax-Exempt  Fund
         have all matured or otherwise  been converted to cash or other eligible
         investments).

3.       The  liabilities,  if any, of the Tax-Exempt  Fund to be assumed by the
         Fund in the  transaction  were incurred by the  Tax-Exempt  Fund in the
         ordinary  course of business and are  associated  with the assets to be
         transferred.

4.       There is no intercorporate  indebtedness  existing between the Fund and
         the Tax-Exempt Fund that was issued,  acquired, or that will be settled
         at a discount.

5.       Following the transaction,  the Fund will not continue the historic  
         business of the Tax-Exempt Fund.

In reliance on the representations made by an officer of the Tax-Exempt Fund and
the Fund,  and the  representations  contained in the  Application,  I am of the
opinion that:

1.       The  acquisition of all of the assets and liabilities of the Tax-Exempt
         Fund in exchange for shares of the Fund followed by the distribution of
         those shares to  shareholders  of the Tax-Exempt Fund in liquidation of
         the  Tax-Exempt  Fund,  will  constitute  a taxable  transaction  under
         section 1001 of the Code and not a reorganization within the meaning of
         section 368(a)(1)(B) of the Code. This is due to the lack of continuity
         of the  historic  business  of the  Tax-Exempt  Fund  and  the  lack of
         continuity of the historic  assets of the Tax-Exempt Fund being used in
         the ongoing  operations of the Fund. (See Revenue Ruling 87-76,  1987-2
         C.B. 84.)

2.       Because the  Tax-Exempt  Fund will not have any  unrecognized  gains or
         losses in the assets  transferred to the Fund in this transaction,  the
         Tax-Exempt  Fund will not recognize any gain or loss on the transfer of
         all its assets and liabilities to the Fund.

3.       The Fund will recognize no gain or loss upon receipt of the assets and 
         assumption of the liabilities of the Tax-Exempt Fund in exchange for 
         shares of the Fund.  Code Section 1032.

4.       Because the Tax-Exempt Fund maintains and has maintained since its 
         inception a net asset value of $1 per share, and as an open-end 
         diversified management investment company, shares of its stock are 
         available for purchase at this same $1 per share and are redeemable 
         for $1 per share, it is assumed for purposes of this opinion that all 
         shareholders of the Tax-Exempt Fund have a basis in the shares held of
         $1 per share.  As a taxable exchange with the Fund, also an open-end 
         diversified management investment company with shares held at a stable
         net asset value of $1 per share, the exchange of shares, although 
         taxable, will generate no taxable gain or loss to the shareholders of 
         the Tax-Exempt Fund.  (A shareholder's basis in the shares is assumed 
         to be $1 per share regardless of whether acquired by purchase, gift, or
         inheritance.  In the unusual case of a shareholder who purchases shares
         from another shareholder at a price other than $1.00 per share  gain or
         loss would be recognized.  Such a shareholder should seek the
         advice of a tax professional to determine the consequences of 
         this exchange.)

5.       Except  for  the  unusual  case  described  in  the  parenthethical  in
         paragraph 4, above, the tax basis of the shares of the Fund acquired in
         exchange for shares of the Tax-Exempt  Fund will be the same as the tax
         basis of the shares of the Tax-Exempt  Fund exchanged  therefor ($1 per
         share). Code Section 1012.

6.       Because the exchange of shares is a taxable  event,  the holding period
         of the  shares  of the Fund  acquired  in  exchange  for  shares of the
         Tax-Exempt  Fund will begin with the  receipt of the shares of the Fund
         and not include any period  during  which the shares of the  Tax-Exempt
         Fund were held. Code Section 1223.

7.       Because the exchange of shares is a taxable  event,  the holding period
         of the assets of the  Tax-Exempt  Fund  received by the Fund will begin
         with the receipt of the assets from the Tax-Exempt Fund and not include
         any period such assets were held by the Tax-Exempt  Fund.  Code Section
         1223.

The  foregoing  opinions  are based on the  Code,  Treasury  regulations  issued
thereunder,   published  administrative  interpretations  thereof  and  judicial
decisions  with  respect  thereto  (collectively  the "Tax  Law") as of the date
hereof. No assurance can be given that the Tax Laws will not change.

I hereby consent to the filing of this opinion as an exhibit to the Registration
Statement.

Sincerely,


/s/ Randy L. Bergstrom
Randy L. Bergstrom
Counsel








                         Consent of Independent Auditors

         We  consent to the  incorporation  by  reference  in the  Statement  of
Additional  Information,  constituting a part of this registration  statement on
Form N-14 (the "Registration Statement"),  of our report dated November 25, 1998
relating to the October 31, 1998 financial  statements and financial  highlights
of Principal Cash Management Fund, Inc. and Principal Tax-Exempt Cash Management
Fund,  Inc.  (the  "Funds"),  appearing in the October 31, 1998 Annual Report to
Shareholders  of the Funds,  which is also  incorporated  by reference  into the
Registration  Statement,  and to the  reference  to our firm  under the  caption
"Financial  Statements,"  and the reference to us as experts under such caption
in the Statement of Additional Information.


Des Moines, Iowa
January 27, 1999


                                                       /s/Ernst & Young LLP
                                                       Ernst & Young LLP





<PAGE>




                                POWER OF ATTORNEY

The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell,  M.
D. Roughton,  E. H. Gillum and A. S. Filean and each of them (with full power to
each of them to act alone), the undersigned's  true and lawful  attorney-in-fact
and agent, with full power of substitution to each, for and on behalf and in the
name  of the  undersigned,  to  execute  and  file  any  documents  relating  to
registration  under the Securities Act of 1933 and the Investment Company Act of
1940  with  respect  to  open-end  management   investment  companies  currently
organized or to be organized in the future which are sponsored by Principal Life
Insurance  Company,  and any and all amendments  thereto and reports  thereunder
with all exhibits and all  instruments  necessary or  appropriate  in connection
therewith,   each  of  said  attorneys-in-fact  and  agents  and  his  or  their
substitutes  being empowered to act with or without the others or other,  and to
have  full  power  and  authority  to do or  cause to be done in the name and on
behalf of the undersigned  each and every act and thing necessary or appropriate
to be done in order to effectuate the same, as fully to all intents and purposes
as the undersigned might or could do in person;  hereby ratifying and confirming
all that said  attorneys-in-fact  and agents, or any of them, may do or cause to
be done by virtue hereof.

IN WITNESS  WHEREOF,  the undersigned has hereunto set his hand this 14th day of
September, 1998.


                                                    /s/R. G. Peebler
                                                     ----------------
                                                       R. G. Peebler








<PAGE>




                                POWER OF ATTORNEY



The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell,  M.
D. Roughton,  E. H. Gillum and A. S. Filean and each of them (with full power to
each of them to act alone), the undersigned's  true and lawful  attorney-in-fact
and agent, with full power of substitution to each, for and on behalf and in the
name  of the  undersigned,  to  execute  and  file  any  documents  relating  to
registration  under the Securities Act of 1933 and the Investment Company Act of
1940  with  respect  to  open-end  management   investment  companies  currently
organized or to be organized in the future which are sponsored by Principal Life
Insurance  Company,  and any and all amendments  thereto and reports  thereunder
with all exhibits and all  instruments  necessary or  appropriate  in connection
therewith,   each  of  said  attorneys-in-fact  and  agents  and  his  or  their
substitutes  being empowered to act with or without the others or other,  and to
have  full  power  and  authority  to do or  cause to be done in the name and on
behalf of the undersigned  each and every act and thing necessary or appropriate
to be done in order to effectuate the same, as fully to all intents and purposes
as the undersigned might or could do in person;  hereby ratifying and confirming
all that said  attorneys-in-fact  and agents, or any of them, may do or cause to
be done by virtue hereof.

IN WITNESS  WHEREOF,  the undersigned has hereunto set his hand this 14th day of
September, 1998.


                                                        /s/J. D. Davis
                                                       ----------------
                                                           J. D. Davis









<PAGE>



                                POWER OF ATTORNEY



The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell,  M.
D. Roughton,  E. H. Gillum and A. S. Filean and each of them (with full power to
each of them to act alone), the undersigned's  true and lawful  attorney-in-fact
and agent, with full power of substitution to each, for and on behalf and in the
name  of the  undersigned,  to  execute  and  file  any  documents  relating  to
registration  under the Securities Act of 1933 and the Investment Company Act of
1940  with  respect  to  open-end  management   investment  companies  currently
organized or to be organized in the future which are sponsored by Principal Life
Insurance  Company,  and any and all amendments  thereto and reports  thereunder
with all exhibits and all  instruments  necessary or  appropriate  in connection
therewith,   each  of  said  attorneys-in-fact  and  agents  and  his  or  their
substitutes  being empowered to act with or without the others or other,  and to
have  full  power  and  authority  to do or  cause to be done in the name and on
behalf of the undersigned  each and every act and thing necessary or appropriate
to be done in order to effectuate the same, as fully to all intents and purposes
as the undersigned might or could do in person;  hereby ratifying and confirming
all that said  attorneys-in-fact  and agents, or any of them, may do or cause to
be done by virtue hereof.

IN WITNESS  WHEREOF,  the undersigned has hereunto set his hand this 14th day of
September, 1998.


                                                  /s/B. A. Lukavsky
                                                   ----------------
                                                     B. A. Lukavsky







<PAGE>




                                POWER OF ATTORNEY



The undersigned hereby constitutes and appoints J. B. Griswell,  M. D. Roughton,
E. H.  Gillum and A. S. Filean and each of them (with full power to each of them
to act alone),  the undersigned's  true and lawful  attorney-in-fact  and agent,
with full power of  substitution  to each,  for and on behalf and in the name of
the  undersigned,  to execute and file any  documents  relating to  registration
under the  Securities  Act of 1933 and the  Investment  Company Act of 1940 with
respect to open-end management investment companies currently organized or to be
organized in the future which are sponsored by Principal Life Insurance Company,
and any and all amendments  thereto and reports thereunder with all exhibits and
all instruments necessary or appropriate in connection  therewith,  each of said
attorneys-in-fact and agents and his or their substitutes being empowered to act
with or without the others or other,  and to have full power and authority to do
or cause to be done in the name and on behalf of the undersigned  each and every
act and thing  necessary or  appropriate  to be done in order to effectuate  the
same, as fully to all intents and purposes as the undersigned  might or could do
in person;  hereby ratifying and confirming all that said  attorneys-in-fact and
agents, or any of them, may do or cause to be done by virtue hereof.

IN WITNESS  WHEREOF,  the undersigned has hereunto set his hand this 14th day of
September, 1998.


                                                     /s/S. L. Jones
                                                    ----------------
                                                        S. L. Jones







<PAGE>




                                POWER OF ATTORNEY

The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell,  M.
D. Roughton,  E. H. Gillum and A. S. Filean and each of them (with full power to
each of them to act alone), the undersigned's  true and lawful  attorney-in-fact
and agent, with full power of substitution to each, for and on behalf and in the
name  of the  undersigned,  to  execute  and  file  any  documents  relating  to
registration  under the Securities Act of 1933 and the Investment Company Act of
1940  with  respect  to  open-end  management   investment  companies  currently
organized or to be organized in the future which are sponsored by Principal Life
Insurance  Company,  and any and all amendments  thereto and reports  thereunder
with all exhibits and all  instruments  necessary or  appropriate  in connection
therewith,   each  of  said  attorneys-in-fact  and  agents  and  his  or  their
substitutes  being empowered to act with or without the others or other,  and to
have  full  power  and  authority  to do or  cause to be done in the name and on
behalf of the undersigned  each and every act and thing necessary or appropriate
to be done in order to effectuate the same, as fully to all intents and purposes
as the undersigned might or could do in person;  hereby ratifying and confirming
all that said  attorneys-in-fact  and agents, or any of them, may do or cause to
be done by virtue hereof.

IN WITNESS  WHEREOF,  the undersigned has hereunto set his hand this 14th day of
September, 1998.


                                                   /s/R. W. Gilbert
                                                   ----------------
                                                      R. W. Gilbert







<PAGE>




                                POWER OF ATTORNEY



The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell,  M.
D. Roughton,  E. H. Gillum and A. S. Filean and each of them (with full power to
each of them to act alone), the undersigned's  true and lawful  attorney-in-fact
and agent, with full power of substitution to each, for and on behalf and in the
name  of the  undersigned,  to  execute  and  file  any  documents  relating  to
registration  under the Securities Act of 1933 and the Investment Company Act of
1940  with  respect  to  open-end  management   investment  companies  currently
organized or to be organized in the future which are sponsored by Principal Life
Insurance  Company,  and any and all amendments  thereto and reports  thereunder
with all exhibits and all  instruments  necessary or  appropriate  in connection
therewith,   each  of  said  attorneys-in-fact  and  agents  and  his  or  their
substitutes  being empowered to act with or without the others or other,  and to
have  full  power  and  authority  to do or  cause to be done in the name and on
behalf of the undersigned  each and every act and thing necessary or appropriate
to be done in order to effectuate the same, as fully to all intents and purposes
as the undersigned might or could do in person;  hereby ratifying and confirming
all that said  attorneys-in-fact  and agents, or any of them, may do or cause to
be done by virtue hereof.

IN WITNESS  WHEREOF,  the undersigned has hereunto set his hand this 14th day of
September, 1998.


                                                  /s/P. A. Ferguson
                                                   ----------------
                                                     P. A. Ferguson







<PAGE>




                                POWER OF ATTORNEY



The undersigned hereby constitutes and appoints S. L. Jones, M. D. Roughton,  E.
H.  Gillum and A. S. Filean and each of them (with full power to each of them to
act alone), the undersigned's true and lawful  attorney-in-fact  and agent, with
full  power of  substitution  to each,  for and on behalf and in the name of the
undersigned,  to execute and file any documents  relating to registration  under
the Securities  Act of 1933 and the Investment  Company Act of 1940 with respect
to  open-end  management  investment  companies  currently  organized  or  to be
organized in the future which are sponsored by Principal Life Insurance Company,
and any and all amendments  thereto and reports thereunder with all exhibits and
all instruments necessary or appropriate in connection  therewith,  each of said
attorneys-in-fact and agents and his or their substitutes being empowered to act
with or without the others or other,  and to have full power and authority to do
or cause to be done in the name and on behalf of the undersigned  each and every
act and thing  necessary or  appropriate  to be done in order to effectuate  the
same, as fully to all intents and purposes as the undersigned  might or could do
in person;  hereby ratifying and confirming all that said  attorneys-in-fact and
agents, or any of them, may do or cause to be done by virtue hereof.

IN WITNESS  WHEREOF,  the undersigned has hereunto set his hand this 14th day of
September, 1998.


                                                  /s/J. B. Griswell
                                                   ----------------
                                                     J. B. Griswell






<PAGE>




                                POWER OF ATTORNEY



The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell,  M.
D. Roughton,  E. H. Gillum and A. S. Filean and each of them (with full power to
each of them to act alone), the undersigned's  true and lawful  attorney-in-fact
and agent, with full power of substitution to each, for and on behalf and in the
name  of the  undersigned,  to  execute  and  file  any  documents  relating  to
registration  under the Securities Act of 1933 and the Investment Company Act of
1940  with  respect  to  open-end  management   investment  companies  currently
organized or to be organized in the future which are sponsored by Principal Life
Insurance  Company,  and any and all amendments  thereto and reports  thereunder
with all exhibits and all  instruments  necessary or  appropriate  in connection
therewith,   each  of  said  attorneys-in-fact  and  agents  and  his  or  their
substitutes  being empowered to act with or without the others or other,  and to
have  full  power  and  authority  to do or  cause to be done in the name and on
behalf of the undersigned  each and every act and thing necessary or appropriate
to be done in order to effectuate the same, as fully to all intents and purposes
as the undersigned might or could do in person;  hereby ratifying and confirming
all that said  attorneys-in-fact  and agents, or any of them, may do or cause to
be done by virtue hereof.

IN WITNESS  WHEREOF,  the undersigned has hereunto set his hand this 14th day of
September, 1998.


                                               /s/J. E. Aschenbrenner
                                                  -------------------
                                                  J. E. Aschenbrenner








<PAGE>




                                POWER OF ATTORNEY



The undersigned hereby constitutes and appoints S. L. Jones, J. B. Griswell,  M.
D. Roughton,  E. H. Gillum and A. S. Filean and each of them (with full power to
each of them to act alone), the undersigned's  true and lawful  attorney-in-fact
and agent, with full power of substitution to each, for and on behalf and in the
name  of the  undersigned,  to  execute  and  file  any  documents  relating  to
registration  under the Securities Act of 1933 and the Investment Company Act of
1940  with  respect  to  open-end  management   investment  companies  currently
organized or to be organized in the future which are sponsored by Principal Life
Insurance  Company,  and any and all amendments  thereto and reports  thereunder
with all exhibits and all  instruments  necessary or  appropriate  in connection
therewith,   each  of  said  attorneys-in-fact  and  agents  and  his  or  their
substitutes  being empowered to act with or without the others or other,  and to
have  full  power  and  authority  to do or  cause to be done in the name and on
behalf of the undersigned  each and every act and thing necessary or appropriate
to be done in order to effectuate the same, as fully to all intents and purposes
as the undersigned might or could do in person;  hereby ratifying and confirming
all that said  attorneys-in-fact  and agents, or any of them, may do or cause to
be done by virtue hereof.

IN WITNESS  WHEREOF,  the undersigned has hereunto set his hand this 14th day of
September, 1998.


                                                     /s/D. P. Francis
                                                     ----------------
                                                        D. P. Francis

                 PRINCIPAL TAX-EXEMPT CASH MANAGEMENT FUND, INC.

                           Des Moines, Iowa 50392-0200
                                 (800) 247-4123
                                  ------------

                   PROXY FOR A SPECIAL MEETING OF SHAREHOLDERS
                                  April 7, 1999

         This  proxy is  solicited  on behalf of the Board of  Directors  of the
Fund. The undersigned  shareholder  appoints Arthur S. Filean,  Ernest H. Gillum
and  Michael  J.  Beer,  and each of them  separately,  Proxies,  with  power of
substitution,  and authorizes them to represent and to vote as designated on the
reverse side of this ballot,  at the meeting of  shareholders  of the Fund to be
held April 7, 1999 at 2:00 p.m.,  C.D.T., and at any adjournments  thereof,  all
the shares of the Fund that the  undersigned  shareholder  would be  entitled to
vote if personally present.

         Check the  appropriate  box on the  ballot,  date the  ballot  and sign
exactly as your name appears.  Your signature  acknowledges receipt of Notice of
the special Meeting of Shareholders and  Prospectus/Proxy  Statement dated March
8, 1999.  Shares will be voted as you  instruct.  If no direction  is made,  the
proxy  will be voted FOR the  proposal  listed  on the  reverse  side.  In their
discretion  the Proxies will also be  authorized to vote upon such other matters
that may properly come before the meeting.

NOTE:  PLEASE SIGN  EXACTLY AS YOUR NAME  APPEARS ON THIS  BALLOT.  PLEASE MARK,
       SIGN,  DATE AND MAIL  YOUR  PROXY  BALLOT  IN THE  ENCLOSED  POSTAGE-PAID
       ENVELOPE. If shares are held jointly,  either party may sign. If executed
       by  a   corporation,   an  authorized   officer  must  sign.   Executors,
       administrators and trustees should so indicate when signing.

         As an alternative  to mailing,  you may fax a copy of your proxy ballot
to 515-235-9235 (this is not a toll-free number) or you may call toll-free 
1-800-944-8454.



- ----------------------------------
Signature


- ----------------------------------
Signature (if held jointly)

                                          
Date                          , 1999






<PAGE>


     The Board of Directors  recommends that shareholders vote FOR the following
proposal.  Please make your choice below in blue or black ink. Example: {X} Sign
the proxy ballot and return it as soon as possible in the enclosed envelope.

         1. Approval of the Agreement and Plan of  Acquisition  among  Principal
Tax-Exempt Cash Management Fund, Inc.,  Principal Cash Management Fund, Inc. and
Principal  Management  Corporation,  and the transaction  contemplated  thereby,
pursuant  to which the Cash  Management  Fund would  acquire  all the assets and
assume all the  liabilities of the Tax-Exempt  Fund and issue in exchange shares
of its Class A commmon stock,  and the Tax-Exempt  Fund would  distribute  those
shares to its shareholders and then dissolve.


FOR  [  ]               AGAINST  [  ]           ABSTAIN  [  ]



<PAGE>


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