NORTHERN TRUST CORPORATION             Exhibit 10(i)

                            ANNUAL PERFORMANCE PLAN

                                     2000

I.   Purpose of Plan
     ---------------

     The purpose of the Annual Performance Plan (the "Plan") is to promote the
     achievement of superior financial and operating performance of the Northern
     Trust Corporation (the "Corporation") and its subsidiaries (collectively,
     the Corporation and its subsidiaries, "Northern Trust"), and further the
     objective of delivering unrivaled service quality to its clients and
     partners through the awarding of cash incentive payments to selected
     officers.

II.  Plan Year/Effective Date/Termination
     ------------------------------------

     The Plan Year for this Plan will be the calendar year from January 1, 2000
     to December 31, 2000. The Plan is effective as of January 1, 2000 and
     automatically terminates on December 31, 2000.

III. Eligibility and Participation
     -----------------------------

     Eligibility to participate in the Plan is restricted to officers with the
     title of Vice President and above and who are not eligible for
     participation in a Specialized Incentive Plan. Plan participation is
     reviewed each year, and participation in one year does not automatically
     indicate participation in subsequent Plan years. Participation in the Plan
     is based upon recommendation from the respective Business Unit Head.

IV.  Award Funding
     -------------

     At the beginning of the Plan year, the Compensation and Benefits Committee
     of the Board of Directors of the Corporation will determine a Corporate
     Earnings Target and profit plan funding for awards under the Annual
     Performance Plan. The allocation of the plan award funding to each
     respective Business Unit will be based on the salaries of the eligible
     officers within the Business Unit. Within each Business Unit, one-half of
     the available funding for awards under the Plan will be based on the
     Northern Trust's financial achievement versus the Corporate Earnings
     Target. The other half of the award funding is based on the financial
     achievement of the Business Unit versus the Business Unit's earnings
     target. For staff support personnel, the available funding for awards will
     be based entirely on the financial achievement of Northern Trust versus the
     Corporate Earnings Target. The formula determining the pool level funding
     based on Corporate and Business Unit performance is described in Attachment
     I.

V.   Individual Award Determination
     ------------------------------

     Individual participant awards will be discretionary. They will be
     determined by Business Unit Management based on an assessment of individual
     performance relative to performance expectations, contribution to financial
     and operating goals, competitive level of total compensation, and available
     award pool funding.


VI.  Payment of Awards
     -----------------

     Awards will be paid in cash as soon as practicable following the completion
     of the Plan year. Awards payable because of a Change in Control of the
     Corporation pursuant to Paragraph VII shall be paid in cash as soon as
     practicable following such Change in Control.

VII. Change in Control
     -----------------

     Notwithstanding any other terms contained herein, in the event of a Change
     in Control of the Corporation, funding for awards under the Plan shall be
     determined as if the Corporation and Business Units had achieved the
     respective earnings targets, as described in Section IV. Discretionary
     awards shall be paid to participants as soon as practicable. For purposes
     of this paragraph, a "Change in Control" shall be deemed to have occurred
     if

               (1)  any Person is or becomes the Beneficial Owner, directly or
               indirectly, of securities of the Corporation (not including in
               the securities beneficially owned by such Person any securities
               acquired directly from the Corporation or its affiliates)
               representing 20% or more of the combined voting power of the
               Corporation's then outstanding securities, excluding any Person
               who becomes such a Beneficial Owner in connection with a
               transaction described in clause (i) of paragraph (3) below; or

               (2)  The election to the Board of Directors of the Corporation,
               without the recommendation or approval of two thirds of the
               incumbent Board of Directors of the Corporation, of the lesser
               of: (A) three directors; or (B) directors constituting a majority
               of the number of directors of the Corporation then in office,
               provided, however, that directors whose initial assumption of
               --------  -------
               office is in connection with an actual or threatened election
               contest, including but not limited to a consent solicitation,
               relating to the election of directors of the Corporation will not
               be considered as incumbent members of the Board of Directors of
               the Corporation for purposes of this section; or

               (3)  there is consummated a merger or consolidation of the
               Corporation or any direct or indirect subsidiary of the
               Corporation with any other company, other than (i) a merger or
               consolidation which would result in the voting securities of the
               Corporation outstanding immediately prior to such merger or
               consolidation continuing to represent (either by remaining
               outstanding or by being converted into voting securities of the
               surviving entity or any parent thereof), at least 60% of the
               combined voting power of the securities of the Corporation or
               such surviving entity or any parent thereof outstanding
               immediately after such merger or consolidation, or (ii) a merger
               or consolidation effected to implement a recapitalization of the
               Corporation (or similar transaction) in which no Person is or
               becomes the Beneficial Owner, directly or indirectly, of
               securities of the Corporation (not including in the securities
               Beneficially Owned by such Person any securities acquired
               directly from the Corporation or its Affiliates) representing 20%
               or more of the combined voting power of the Corporation's then
               outstanding securities; or

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               (4)  the stockholders of the Corporation approve a plan of
               complete liquidation or dissolution of the Corporation or there
               is consummated an agreement for the sale or disposition by the
               Corporation of all or substantially all of the Corporation's
               assets, other than a sale or disposition by the Corporation of
               all or substantially all of the Corporation's assets to an
               entity, at least 60% of the combined voting power of the voting
               securities of which are owned by stockholders of the Corporation
               in substantially the same proportions as their ownership of the
               Corporation immediately prior to such sale.

Notwithstanding the foregoing, a "Change in Control" shall not be deemed to have
occurred by virtue of the consummation of any transaction or series of
integrated transactions immediately following which the record holders of the
common stock of the Corporation immediately prior to such transaction or series
of transactions continue to have substantially the same proportionate ownership
in an entity which owns all or substantially all of the assets of the
Corporation immediately following such transaction or series of transactions.

For purposes of the foregoing, the following definitions shall apply:

     "Affiliate" shall have the meaning set forth in Rule 12b-2 under Section 12
     of the Exchange Act; "Beneficial Owner" shall have the meaning set forth in
     Rule 13d-3 under the Exchange Act, except that a Person shall not be deemed
     to be the Beneficial Owner of any securities with respect to which such
     Person has properly filed a Form 13-G; "Exchange Act" shall mean the
     Securities Exchange Act of 1934, as amended from time to time; and "Person"
     shall have the meaning given in Section 3(a)(9) of the Exchange Act, as
     modified and used in Sections 13(d) and 14(d) thereof, except that such
     term shall not include (i) the Corporation or any of its Affiliates, (ii) a
     trustee or other fiduciary holding securities under an employee benefits
     plan of the Corporation or any of its subsidiaries, (iii) an underwriter
     temporarily holding securities pursuant to an offering of such securities
     or (iv) a corporation owned, directly or indirectly, by the stockholders of
     the Corporation in substantially the same proportions as their ownership of
     stock of the Corporation.

Notwithstanding anything in this Plan to the contrary, in the event of a
Potential Change in Control and for a period of six (6) months following the
Potential Change in Control, neither the Board nor the Committee may terminate
this Plan or amend this Plan in a manner that adversely affects the rights of
any participant of the Plan.

A "Potential Change in Control" shall be deemed to have occurred if the event
set forth in any one of the following paragraphs shall have occurred:

          (a)  the Corporation enters into an agreement, the consummation of
               which would result in the occurrence of a Change in Control;

          (b)  the Corporation or any Person publicly announces an intention to
               take or to consider taking actions which, if consummated, would
               constitute a Change in Control;

          (c)  any Person becomes the Beneficial Owner, directly or indirectly,
               of securities of the Corporation representing 15% or more of
               either the then outstanding

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               shares of common stock of the Corporation or the combined voting
               power of the Corporation's then outstanding securities (not
               including in the securities beneficially owned by such Person any
               securities acquired directly from the Corporation or its
               Affiliates); or

          (d)  the Board adopts a resolution to the effect that, for purposes of
               this Plan, a Potential Change in Control has occurred.

VIII. Administration
      --------------

      The Plan shall be administered by the Management Committee of the
      Corporation (the "Committee"). Subject to the provisions of the Plan, the
      Committee shall be authorized to interpret the Plan, to establish, amend,
      and rescind any rules and regulations relating to the Plan, and to make
      all other determinations necessary or advisable for the administration of
      the Plan. The determinations of the Committee in the effective
      administration of the Plan, as described herein, shall be final and
      conclusive.

      The Board of Directors of the Corporation, by written resolution, may
      amend, suspend, or terminate any or all provisions of the Plan at any
      time.

IX.   Other Provisions
      ----------------

      The following miscellaneous provisions are applicable to the Plan:

      (a)  Awards paid under the provisions of the Plan are considered
           pensionable earnings when paid.

      (b)  Termination of employment by a participant during the Plan Year,
           either voluntary or involuntary with cause, and for reasons other
           than death, disability, or retirement shall result in immediate
           exclusion from the Plan. For purposes of this Plan, "Retirement"
           means the termination of the participant's employment with Northern
           Trust by reason of participant having attained the age of 65 years or
           older or after the participant has qualified for an Early Retirement
           Pension under The Northern Trust Company Pension Plan. For purposes
           of this Plan, "Disability" means the participant is unable to engage
           in any substantial gainful activity by reason of any medically
           determinable physical or mental impairment which can be expected to
           result in death or which has lasted or can be expected to last for a
           continuous period of not less than 12 months.

      (c)  Except in the event of the death of a participant, the rights and
           interests of a participant under the Plan shall not be assigned,
           encumbered, or transferred.

      (d)  No employee or other person shall have any claim or right to be
           granted an award under the Plan. Neither the Plan, nor any action
           taken thereunder, shall be construed as giving any employee or other
           person any right to be retained in the employ of the Corporation.

      (e)  The Corporation shall have the right to deduct from all payments made
           under the Plan any taxes required by law to be withheld with respect
           to such payment.

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      (f)  All questions pertaining to the validity, construction and
           administration of the Plan and any award hereunder shall be
           determined in conformity with the laws of the State of Illinois.

      (g)  Each participant shall designate a beneficiary (the "Designated
           Beneficiary") to receive the award, if any, allocated to a
           participant, in the event of such participant's death. If no
           Designated Beneficiary survives the participant, it shall be the
           surviving spouse of the participant or, if there is no surviving
           spouse, it shall be the participant's estate.

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