Document:

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                                                                EXHIBIT 10.10(a)

                     NUVEEN SELECT TAX-FREE INCOME PORTFOLIO

                   RENEWAL OF INVESTMENT MANAGEMENT AGREEMENT

This Agreement made this 2nd day of June 2001 by and between Nuveen Select
Tax-Free Income Portfolio, a Massachusetts business trust (the "Fund"), and
Nuveen Institutional Advisory Corp., a Delaware corporation (the "Adviser");

WHEREAS, the parties hereto are the contracting parties under that certain
Investment Management Agreement (the "Agreement") pursuant to which the Adviser
furnishes investment management and other services to the Fund; and

WHEREAS, the Agreement terminates August 1, 2001 unless continued in the manner
required by the Investment Company Act of 1940; and

WHEREAS, the Board of Directors, at a meeting called for the purpose of
reviewing the Agreement, have approved the Agreement and its continuance until
August 1, 2002 in the manner required by the Investment Company Act of 1940.

NOW THEREFORE, in consideration of the mutual covenants contained in the
Agreement the parties hereto do hereby continue the Agreement in effect until
August 1, 2002 and ratify and confirm the Agreement in all respects.

                                      NUVEEN SELECT TAX-FREE
                                      INCOME PORTFOLIO

                                      By:
                                         ---------------------------------------
                                                     Vice President

ATTEST:

----------------------------------
         Assistant Secretary

                                      NUVEEN INSTITUTIONAL
                                      ADVISORY CORP.

                                      By:
                                         ---------------------------------------
                                                       Vice President

ATTEST:

----------------------------------
        Assistant Secretary<PAGE>
                                                                   EXHIBIT 10.11

                              MANAGEMENT AGREEMENT

                                     BETWEEN

                             NUVEEN INVESTMENT TRUST

                                       AND

                       NUVEEN INSTITUTIONAL ADVISORY CORP.

      NUVEEN INVESTMENT TRUST, a Massachusetts business trust registered under
the Investment Company Act of 1940 ("1940 Act") as an open-end diversified
management series investment company ("Trust"), hereby appoints NUVEEN
INSTITUTIONAL ADVISORY CORP., a Delaware corporation registered under the
Investment Advisers Act of 1940 as an investment adviser, of Chicago, Illinois
("Manager"), to furnish investment advisory and management services and certain
administrative services with respect to the portion of its assets represented by
the shares of beneficial interest issued in each series listed in Schedule A
hereto, as such schedule may be amended from time to time (each such series
hereinafter referred to as "Fund"). Trust and Manager hereby agree that:

            1. Investment Management Services. Manager shall manage the
      investment operations of Trust and each Fund, subject to the terms of this
      Agreement and to the supervision and control of Trust's Board of Trustees
      ("Trustees"). Manager agrees to perform, or arrange for the performance
      of, the following services with respect to each Fund:

                  (a) to obtain and evaluate such information relating to
            economies, industries, businesses, securities and commodities
            markets, and individual securities, commodities and indices as it
            may deem necessary or useful in discharging its responsibilities
            hereunder;

                  (b) to formulate and maintain a continuous investment program
            in a manner consistent with and subject to (i) Trust's agreement and
            declaration of trust and by-laws; (ii) the Fund's investment
            objectives, policies, and restrictions as set forth in written
            documents furnished by the Trust to Manager; (iii) all securities,
            commodities, and tax laws and regulations applicable to the Fund and
            Trust; and (iv) any other written limits or directions furnished by
            the Trustees to Manager;
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                  (c) unless otherwise directed by the Trustees, to determine
            from time to time securities, commodities, interests or other
            investments to be purchased, sold, retained or lent by the Fund, and
            to implement those decisions, including the selection of entities
            with or through which such purchases, sales or loans are to be
            effected;

                  (d) to use reasonable efforts to manage the Fund so that it
            will qualify as a regulated investment company under subchapter M of
            the Internal Revenue Code of 1986, as amended;

                  (e) to make recommendations as to the manner in which voting
            rights, rights to consent to Trust or Fund action, and any other
            rights pertaining to Trust or the Fund shall be exercised;

                  (f) to make available to Trust promptly upon request all of
            the Fund's records and ledgers and any reports or information
            reasonably requested by the Trust; and

                  (g) to the extent required by law, to furnish to regulatory
            authorities any information or reports relating to the services
            provided pursuant to this Agreement.

            Except as otherwise instructed from time to time by the Trustees,
      with respect to execution of transactions for Trust on behalf of a Fund,
      Manager shall place, or arrange for the placement of, all orders for
      purchases, sales, or loans with issuers, brokers, dealers or other
      counterparts or agents selected by Manager. In connection with the
      selection of all such parties for the placement of all such orders,
      Manager shall attempt to obtain most favorable execution and price, but
      may nevertheless in its sole discretion as a secondary factor, purchase
      and sell portfolio securities from and to brokers and dealers who provide
      Manager with statistical, research and other information, analysis,
      advice, and similar services. In recognition of such services or brokerage
      services provided by a broker or dealer, Manager is hereby authorized to
      pay such broker or dealer a commission or spread in excess of that which
      might be charged by another broker or dealer for the same transaction if
      the Manager determines in good faith that the commission or spread is
      reasonable in relation to the value of the services so provided.

            Trust hereby authorizes any entity or person associated with Manager
      that is a member of a national securities exchange to effect any
      transaction on the exchange for the account of a Fund to the extent
      permitted by and in accordance with Section 11(a) of the Securities
      Exchange Act or 1934 and Rule 11a2-2(T) thereunder. Trust hereby consents

                                      -2-
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      to the retention by such entity or person of compensation for such
      transactions in accordance with Rule 11a-2-2(T)(a)(iv).

            Manager may, where it deems to be advisable, aggregate orders for
      its other customers together with any securities of the same type to be
      sold or purchased for Trust or one or more Funds in order to obtain best
      execution or lower brokerage commissions. In such event, Manager shall
      allocate the shares so purchased or sold, as well as the expenses incurred
      in the transaction, in a manner it considers to be equitable and fair and
      consistent with its fiduciary obligations to Trust, the Funds, and
      Manager's other customers.

            Manager shall for all purposes be deemed to be an independent
      contractor and not an agent of Trust and shall, unless otherwise expressly
      provided or authorized, have no authority to act for or represent Trust in
      any way.

            2. Administrative Services. Subject to the terms of this Agreement
      and to the supervision and control of the Trustees, Manager shall provide
      to the Trust facilities, equipment, statistical and research data,
      clerical, accounting and bookkeeping services, internal auditing and legal
      services, and personnel to carry out all management services required for
      operation of the business and affairs of the Funds other than those
      services to be performed by the Trust's Distributor pursuant to the
      Distribution Agreement, those services to be performed by the Trust's
      Custodian pursuant to the Custody Agreement, those services to be
      performed by the Trust's Transfer Agent pursuant to the Transfer Agency
      Agreement, those services to be provided by the Trust's Custodian pursuant
      to the Accounting Agreement and those services normally performed by the
      Trust's counsel and auditors.

            3. Use of Affiliated Companies and Subcontractors. In connection
      with the services to be provided by Manager under this Agreement, Manager
      may, to the extent it deems appropriate, and subject to compliance with
      the requirements of applicable laws and regulations, make use of (i) its
      affiliated companies and their directors, trustees, officers, and
      employees and (ii) subcontractors selected by Manager, provided that
      Manager shall supervise and remain fully responsible for the services of
      all such third parties in accordance with and to the extent provided by
      this Agreement. All costs and expenses associated with services provided
      by any such third parties shall be borne by Manager or such parties.

            4. Expenses Borne by Trust. Except to the extent expressly assumed
      by Manager herein or under a separate agreement between Trust and Manager
      and except to the extent required by law to be paid by Manager, Manager
      shall not be obligated to pay

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      any costs or expenses incidental to the organization, operations or
      business of the Trust. Without limitation, such costs and expenses shall
      include but not be limited to:

                  (a) all charges of depositories, custodians and other agencies
            for the safekeeping and servicing of its cash, securities, and other
            property;

                  (b) all charges for equipment or services used for obtaining
            price quotations or for communication between Manager or Trust and
            the custodian, transfer agent or any other agent selected by Trust;

                  (c) all charges for and accounting services provided to Trust
            by Manager, or any other provider of such services;

                  (d) all charges for services of Trust's independent auditors
            and for services to Trust by legal counsel;

                  (e) all compensation of Trustees, other than those affiliated
            with Manager, all expenses incurred in connection with their
            services to Trust, and all expenses of meetings of the Trustees or
            committees thereof;

                  (f) all expenses incidental to holding meetings of holders of
            units of interest in the Trust ("Shareholders"), including printing
            and of supplying each record-date Shareholder with notice and proxy
            solicitation material, and all other proxy solicitation expense;

                  (g) all expenses of printing of annual or more frequent
            revisions of Trust prospectus(es) and of supplying each
            then-existing Shareholder with a copy of a revised prospectus;

                  (h) all expenses related to preparing and transmitting
            certificates representing Trust shares;

                  (i) all expenses of bond and insurance coverage required by
            law or deemed advisable by the Board of Trustees;

                  (j) all brokers' commissions and other normal charges incident
            to the purchase, sale, or lending of portfolio securities;

                                      -4-
<PAGE>

                  (k) all taxes and governmental fees payable to Federal, state
            or other governmental agencies, domestic or foreign, including all
            stamp or other transfer taxes;

                  (l) all expenses of registering and maintaining the
            registration of Trust under the 1940 Act and, to the extent no
            exemption is available, expenses of registering Trust's shares under
            the 1933 Act, of qualifying and maintaining qualification of Trust
            and of Trust's shares for sale under securities laws of various
            states or other jurisdictions and of registration and qualification
            of Trust under all other laws applicable to Trust or its business
            activities;

                  (m) all interest on indebtedness, if any, incurred by Trust or
            a Fund; and

                  (n) all fees, dues and other expenses incurred by Trust in
            connection with membership of Trust in any trade association or
            other investment company organization.

            5. Allocation of Expenses Borne by Trust. Any expenses borne by
      Trust that are attributable solely to the organization, operation or
      business of a Fund shall be paid solely out of Fund assets. Any expense
      borne by Trust which is not solely attributable to a Fund, nor solely to
      any other series of shares of Trust, shall be apportioned in such manner
      as Manager determines is fair and appropriate, or as otherwise specified
      by the Board of Trustees.

            6. Expenses Borne by Manager. Manager at its own expense shall
      furnish all executive and other personnel, office space, and office
      facilities required to render the investment management and administrative
      services set forth in this Agreement.

            In the event that Manager pays or assumes any expenses of Trust or a
      Fund not required to be paid or assumed by Manager under this Agreement,
      Manager shall not be obligated hereby to pay or assume the same or similar
      expense in the future; provided that nothing contained herein shall be
      deemed to relieve Manager of any obligation to Trust or a Fund under any
      separate agreement or arrangement between the parties.

            7. Management Fee. For the services rendered, facilities provided,
      and charges assumed and paid by Manager hereunder, Trust shall pay to
      Manager out of the assets of each Fund fees at the annual rate for such
      Fund as set forth in Schedule B to this Agreement. For each Fund, the
      management fee shall accrue on each calendar day, and shall be payable
      monthly on the first business day of the next succeeding calendar month.

                                      -5-
<PAGE>

      The daily fee accrual shall be computed by multiplying the fraction of one
      divided by the number of days in the calendar year by the applicable
      annual rate of fee, and multiplying this product by the net assets of the
      Fund, determined in the manner established by the Board of Trustees, as of
      the close of business on the last preceding business day on which the
      Fund's net asset value was determined.

            8. State Expense Limitation. If for any fiscal year of a Fund, its
      aggregate operating expenses ("Aggregate Operating Expenses") exceed the
      applicable percentage expense limit imposed under the securities law and
      regulations of any state in which Shares of the Fund are qualified for
      sale (the "State Expense Limit"), the Manager shall pay such Fund the
      amount of such excess. For purposes of this State Expense Limit, Aggregate
      Operating Expenses shall (a) include (i) any fees or expenses
      reimbursements payable to Manager pursuant to this Agreement and (ii) to
      the extent the Fund invests all or a portion of its assets in another
      investment company registered under the 1940 Act, the pro rata portion of
      that company's operating expenses allocated to the Fund, and (iii) any
      compensation payable to Manager pursuant to any separate agreement
      relating to the Fund's administration, but (b) exclude any interest,
      taxes, brokerage commissions, and other normal charges incident to the
      purchase, sale or loan of securities, commodity interests or other
      investments held by the Fund, litigation and indemnification expense, and
      other extraordinary expenses not incurred in the ordinary course of
      business. Except as otherwise agreed to by the parties or unless otherwise
      required by the law or regulation of any state, any reimbursement by
      Manager to a Fund under this section shall not exceed the management fee
      payable to Manager by the Fund under this Agreement.

            Any payment to a Fund by Manager hereunder shall be made monthly, by
      annualizing the Aggregate Operating Expenses for each month as of the last
      day of the month. An adjustment for payments made during any fiscal year
      of the Fund shall be made on or before the last day of the first month
      following such fiscal year of the Fund if the Annual Operating Expenses
      for such fiscal year (i) do not exceed the State Expense Limitation or
      (ii) for such fiscal year there is no applicable State Expense Limit.

            9. Retention of Sub-Adviser. Subject to obtaining the initial and
      periodic approvals required under Section 15 of the 1940 Act, Manager may
      retain one or more sub-advisers at Manager's own cost and expense for the
      purpose of furnishing one or more of the services described in Section 1
      hereof with respect to Trust or one or more Funds. Retention of a
      sub-adviser shall in no way reduce the responsibilities or obligations of
      Manager under this Agreement, and Manager shall be responsible to Trust
      and its Funds for all acts or omissions of any sub-adviser in connection
      with the performance or Manager's duties hereunder.

                                      -6-
<PAGE>

            10. Non-Exclusivity. The services of Manager to Trust hereunder are
      not to be deemed exclusive and Manager shall be free to render similar
      services to others.

            11. Standard of Care. The Manager shall not be liable for any loss
      sustained by reason of the purchase, sale or retention of any security,
      whether or not such purchase, sale or retention shall have been based upon
      the investigation and research made by any other individual, firm or
      corporation, if such recommendation shall have been selected with due care
      and in good faith, except loss resulting from willful misfeasance, bad
      faith, or gross negligence on the part of the Manager in the performance
      of its obligations and duties, or by reason of its reckless disregard of
      its obligations and duties under this Agreement.

            12. Amendment. This Agreement may not be amended as to Trust or any
      Fund without the affirmative votes (a) of a majority of the Board of
      Trustees, including a majority of those Trustees who are not "interested
      persons" of Trust or of Manager, voting in person at a meeting called for
      the purpose of voting on such approval, and (b) of a "majority of the
      outstanding shares" of Trust or, with respect to any amendment affecting
      an individual Fund, a "majority of the outstanding shares" of that Fund.
      The terms "interested persons" and "vote of a majority of the outstanding
      shares" shall be construed in accordance with their respective definitions
      in the 1940 Act and, with respect to the latter term, in accordance with
      Rule 18f-2 under the 1940 Act.

            13. Effective Date and Termination. This Agreement shall become
      effective as to any Fund as of the effective date for that Fund specified
      in Schedule A hereto. This Agreement may be terminated at any time,
      without payment of any penalty, as to any Fund by the Board of Trustees of
      Trust, or by a vote of a majority of the outstanding shares of that fund,
      upon at least sixty (60) days' written notice to Manager. This Agreement
      may be terminated by Manager at any time upon at least sixty (60) days'
      written notice to Trust. This Agreement shall terminate automatically in
      the event of its "assignment" (as defined in the 1940 Act). Unless
      terminated as hereinbefore provided, this Agreement shall continue in
      effect with respect to any Fund until the end of the initial term
      applicable to that Fund specified in Schedule A and thereafter from year
      to year only so long as such continuance is specifically approved with
      respect to that Fund at least annually (a) by a majority of those Trustees
      who are not interested persons of Trust or of Manager, voting in person at
      a meeting called for the purpose of voting on such approval, and (b) by
      either the Board of Trustees of Trust or by a "vote of a majority of the
      outstanding shares" of the Fund.

            14. Ownership of Records; Interparty Reporting. All records required
      to be maintained and preserved by Trust pursuant to the provisions of
      rules or regulations of

                                      -7-
<PAGE>

      the Securities and Exchange Commission under Section 31(a) of the 1940 Act
      or other applicable laws or regulations which are maintained and preserved
      by Manager on behalf of Trust and any other records the parties mutually
      agree shall be maintained by Manager on behalf of Trust are the property
      of Trust and shall be surrendered by Manager promptly on request by Trust;
      provided that Manager may at its own expense make and retain copies of any
      such records.

            Trust shall furnish or otherwise make available to Manager such
      copies of the financial statements, proxy statements, reports, and other
      information relating to the business and affairs of each Shareholder in a
      Fund as Manager may, at any time or from time to time, reasonably require
      in order to discharge its obligations under this Agreement.

            Manager shall prepare and furnish to Trust as to each Fund
      statistical data and other information in such form and at such intervals
      as Trust may reasonably request.

            15. Non-Liability of Trustees and Shareholders. Any obligation of
      Trust hereunder shall be binding only upon the assets of Trust (or the
      applicable Fund thereof) and shall not be binding upon any Trustee,
      officer, employee, agent or Shareholder of Trust. Neither the
      authorization of any action by the Trustees or Shareholders of Trust nor
      the execution of this Agreement on behalf of Trust shall impose any
      liability upon any Trustee or any Shareholder.

            16. Use of Manager's Name. Trust may use the name "Nuveen Investment
      Trust" and the Fund names listed in Schedule A or any other name derived
      from the name "Nuveen" only for so long as this Agreement or any
      extension, renewal, or amendment hereof remains in effect, including any
      similar agreement with any organization which shall have succeeded to the
      business of Manager as investment adviser. At such time as this Agreement
      or any extension, renewal or amendment hereof, or such other similar
      agreement shall no longer be in effect, Trust will cease to use any name
      derived from the name "Nuveen" or otherwise connected with Manager, or
      with any organization which shall have succeeded to Manager's business as
      investment adviser.

            17. References and Headings. In this Agreement and in any such
      amendment, references to this Agreement and all expressions such as
      "herein," "hereof," and "hereunder'" shall be deemed to refer to this
      Agreement as amended or affected by any such amendments. Headings are
      placed herein for convenience of reference only and shall not be taken as
      a part hereof or control or affect the meaning, construction, or effect of
      this Agreement. This Agreement may be executed in any number of
      counterparts, each of which shall be deemed an original.

                                      -8-
<PAGE>

Dated: July 29, 1996

                                        NUVEEN INVESTMENT TRUST

ATTEST                                  BY______________________________________

________________________________

                                        NUVEEN INSTITUTIONAL ADVISORY CORP.

ATTEST                                  BY______________________________________

________________________________

                                      -9-
<PAGE>

                             NUVEEN INVESTMENT TRUST
                              MANAGEMENT AGREEMENT

                                   SCHEDULE A

      The Funds of the Trust currently subject to this Agreement and the
original effective date of each are as follows:

<TABLE>
<CAPTION>
                     FUND                                         EFFECTIVE DATE
<S>                                                               <C>
Nuveen Growth and Income Stock Fund                                July 29, 1996
Nuveen Balanced Stock and Bond Fund                                July 29, 1996
Nuveen Balanced Municipal and Stock Fund                           July 29, 1996
Nuveen European Value Fund                                          May 29, 1998
Nuveen Balanced (State) Municipal and Stock Fund(s)                _____________
</TABLE>

Amended: May 16, 1998

                                      -10-
<PAGE>

                             NUVEEN INVESTMENT TRUST
                              MANAGEMENT AGREEMENT

                                   SCHEDULE B

      Compensation pursuant to Section 7 of this Agreement shall be calculated
with respect to each Fund in accordance with the following schedule applicable
to the average daily net assets of the Fund:

                       NUVEEN GROWTH AND INCOME STOCK FUND

<TABLE>
<CAPTION>
AVERAGE DAILY NET ASSET VALUE                            FUND MANAGEMENT FEE
<S>                                                      <C>
For the first $125 million                               .8500 of 1%
For the next $125 million                                .8375 of 1%
For the next $250 million                                .8250 of 1%
For the next $500 million                                .8125 of 1%
For the next $1 billion                                  .8000 of 1%
For assets over $2 billion                               .7750 of 1%
</TABLE>

                       NUVEEN BALANCED STOCK AND BOND FUND

<TABLE>
<CAPTION>
AVERAGE DAILY NET ASSET VALUE                            FUND MANAGEMENT FEE
<S>                                                      <C>
For the first $125 million                               .7500 of 1%
For the next $125 million                                .7375 of 1%
For the next $250 million                                .7250 of 1%
For the next $500 million                                .7125 of 1%
For the next $1 billion                                  .7000 of 1%
For assets over $2 billion                               .6750 of 1%
</TABLE>

                    NUVEEN BALANCED MUNICIPAL AND STOCK FUND
               NUVEEN BALANCED (STATE) MUNICIPAL AND STOCK FUND(S)

<TABLE>
<CAPTION>
AVERAGE DAILY NET ASSET VALUE                            FUND MANAGEMENT FEE
<S>                                                      <C>
For the first $125 million                               .7500 of 1%
For the next $125 million                                .7375 of 1%
For the next $250 million                                .7250 of 1%
For the next $500 million                                .7125 of 1%
For the next $1 billion                                  .7000 of 1%
For assets over $2 billion                               .6750 of 1%
</TABLE>

                                      -11-
<PAGE>

                           NUVEEN EUROPEAN VALUE FUND

<TABLE>
<CAPTION>
AVERAGE DAILY NET ASSET VALUE                            FUND MANAGEMENT FEE
<S>                                                      <C>
For the first $125 million                               .9500 of 1%
For the next $125 million                                .9375 of 1%
For the next $250 million                                .9250 of 1%
For the next $500 million                                .9125 of 1%
For the next $1 billion                                  .9000 of 1%
For assets over $2 billion                               .8750 of 1%
</TABLE>

Amended: May 16, 1998

                                      -12-

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