Document:

Supplemental Employee Stock Ownership Plan

 Exhibit 10(vi) 
 NORTHERN TRUST CORPORATION 
 SUPPLEMENTAL EMPLOYEE STOCK OWNERSHIP PLAN 
 (As Amended and Restated Effective January 1, 2008) 
 The Supplemental Employee Stock Ownership Plan for Employees of The Northern Trust Company, was initially adopted effective September 1, 1989, restated effective September 1, 1989, again restated effective February 19, 1991
and further amended and restated effective January 1, 1996 and May 1, 1996 (the “Restated Supplemental ESOP”). Effective as of July 20, 1999, the assets and obligations of the Restated Supplemental ESOP were transferred by
The Northern Trust Company to its parent corporation, Northern Trust Corporation and from and after such date the Northern Trust Corporation became the sponsor of the Restated Supplemental ESOP. Northern Trust Corporation further amended and
restated the Restated Supplemental ESOP effective July 20, 1999 to reflect the transfer of the assets and obligations thereof to Northern Trust Corporation and certain other changes. At that time, the Restated Supplemental ESOP was designated
as the “Northern Trust Corporation Supplemental Employee Stock Ownership Plan.” 
 Northern Trust Corporation now hereby further amends and
restates the Northern Trust Corporation Supplemental Employee Stock Ownership Plan, generally effective January 1, 2008 (with such other effective dates as are noted herein) to comply with various changes in applicable law, including the
American Jobs Creation Act of 2004, and to make certain other changes. 
 ARTICLE I 
 DEFINITIONS 
 Wherever used herein the following terms
shall have the meanings hereinafter set forth: 
  

	1.1	“Beneficiary” means any person eligible to receive a death benefit under the Plan as designated by the Participant, in the event of death of the Participant, subject to
Section 5.1(c). 

  

	1.2	“Board” means the Board of Directors of the Corporation. 

  

	1.3	A “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)	Any Person is or becomes the Beneficial Owner, directly or indirectly, of securities of Northern Trust Corporation (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 (c) below; or 

	 	(b)	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 (i) three directors; or (ii) 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 

  

	 	(c)	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 

  

	 	(d)	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 this Section 1.3 and Section 1.15 (where applicable) the following definitions shall apply: 
  

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 “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 benefit 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. 
 In accordance with the Qualified Plan, each Participant or Inactive Participant who is an
Employee on the date a Change in Control occurs shall be 100 percent vested in the adjusted balance of his or her Supplemental ESOP Account. 
  

	1.4	“Code” means the Internal Revenue Code of 1986, as amended from time to time, and any regulations promulgated thereunder. 

  

	1.5	“Committee” means the Employee Benefit Administrative Committee of the Company, as constituted from time to time, which has the responsibility for administering the
Qualified Plan and/or the Qualified Thrift-Incentive Plan. 

  

	1.6	“Company” means The Northern Trust Company, an Illinois banking corporation; the Corporation; and such subsidiaries and affiliates of the Corporation as shall adopt the
Plan. 

  

	1.7	“Company Stock” means any qualifying employer security within the meaning of Section 4975(e)(8) of the Code and Section 407(d)(1) of the Employee Retirement
Income Security Act of 1974 and regulations thereunder. 

  

	1.8	“Corporation” means Northern Trust Corporation, a Delaware corporation, and to the extent provided in Section 8.8 below, any successor corporation or other entity
resulting from a merger or consolidation into or with the Corporation, or a transfer of sale of substantially all of the assets of the Corporation. 

  

	1.9	“EBIC” means the Employee Benefit Investment Committee of the Company, as constituted from time to time, which has responsibility for overseeing the investment of the
assets attributable to the Plan. 

  

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	1.10	“409A Amount” means the portion of the Supplemental ESOP Account of a Participant that is deferred in a taxable year beginning after December 31, 2004, as determined
in accordance with Code Section 409A and applicable regulations and other guidance promulgated thereunder, and earnings attributable thereto. An amount is considered deferred on or before December 31, 2004 if on or before that date the
Participant had a legally binding right to be paid the amount and the right to the amount was earned and vested. 

  

	1.11	“Key Employee” means a Participant who is a “specified employee” within the meaning of Code Section 409A(a)(2)(B)(i). The Company’s Key Employees shall
be identified annually pursuant to Section 5.3. 

  

	1.12	“Participant” means any employee of the Company who was a participant in the Qualified Plan prior to January 1, 2005, as described in Section 2.1 of the Plan,
and with respect to whom contributions were made under the Plan for any Plan Year that ended on or before December 31, 2004; provided, however, that no additional employees of the Company shall become Participants in the Plan after
December 31, 2004. 

  

	1.13	“Plan” means the Northern Trust Corporation Supplemental Employee Stock Ownership Plan, as amended from time to time. 

  

	1.14	“Plan Year” means the calendar year. 

  

	1.15	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 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. 

  

	1.16	“Qualified Plan” means the Northern Trust Employee Stock Ownership Plan, as amended and restated effective January 1, 2002, and as further amended from time to time,
and each predecessor, successor or replacement employee stock ownership plan, as such Qualified Plan existed immediately prior to its merger into the Qualified Thrift-Incentive Plan, effective January 1, 2005. 

  

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	1.17	“Qualified Plan Company Stock Account” means the account established for a Participant under the Qualified Plan and known as the Company Stock Account, including, if
applicable, any Qualified Plan Company Stock Account maintained for a Participant in the Qualified Thrift-Incentive Plan as a result of the merger of the Qualified Plan into the Qualified Thrift-Incentive Plan effective January 1, 2005.

  

	1.18	“Qualified Thrift-Incentive Plan” means The Northern Trust Company Thrift-Incentive Plan as amended and restated effective January 1, 2005, and each predecessor,
successor or replacement employees’ cash or deferred arrangement. 

  

	1.19	“Related Company” means any person with whom the Company is considered to be a single employer under Section 414(b) of the Code and all persons with whom the Company
would be considered a single employer under Code Section 414(c), substituting “50%” for the “80%” standard that would otherwise apply. 

  

	1.20	“Section 415 Limits” means the limit imposed by Section 415 of the Code, or any successor section, on aggregate annual additions in any Plan Year to the accounts of a
Participant under the Qualified Plan and Qualified Thrift-Incentive Plan, and the limits imposed by Section 415(c)(6) of the Code, or any successor section, on the Qualified Plan. 

  

	1.21	“Separation from Service” means that a Participant dies, retires or otherwise has a termination of employment with the Company. A termination of employment will be deemed
to occur when the Company and the Participant reasonably anticipate that the level of bona fide services the Participant will perform for the Company after a certain date will permanently decrease to less than 50 percent of the average level of bona
fide services performed by the Participant for the Company in the immediately preceding 36 months (or the full period of the Participant’s services to the Company if the Participant has been providing services to the Company for less than
36 months.) The employment relationship will be treated as continuing intact while the Participant is on a bona fide leave of absence (determined in accordance with Treas. Reg. Section 409(A)-1(h)) but (a) only if there is a reasonable
expectation that the Participant will return to active employment status, and (b) only to the extent that such leave of absence does not exceed 6 months, or if longer, for so long as the Participant has a statutory or contractual right to
reemployment. For purposes of this Section 1.21, references to the Company shall include the Company and all Related Companies. 

  

	1.22	“Supplemental ESOP Account” means the account maintained under the Plan for each Participant who receives Supplemental ESOP Allocations under the Plan (and earnings
thereon); provided, however, that no Supplemental ESOP Allocation shall be made to the Supplemental ESOP Account of any Participant for any Plan Year that begins on or after January 1, 2005. 

  

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	1.23	“Supplemental ESOP Allocation” means the amount allocated for the benefit of a Participant under and in accordance with the terms of Section 3.1 of the Plan in any
Plan Year; provided, however, that no Supplemental ESOP Allocation shall be made to the Supplemental ESOP Account of any Participant for any Plan Year that begins on or after January 1, 2005. 

  

	1.24	“Supplemental Matching Contribution Account” means the account maintained under the Supplemental Thrift-Incentive Plan for a Participant that is credited with Supplemental
Matching Contributions contributed under such plan. 

  

	1.25	Except as otherwise expressly provided herein, all words and phrases in the Qualified Plan shall have the same meaning in the Plan. 

 ARTICLE II 
 ELIGIBILITY

  

	2.1	Participant. An employee of the Company who is eligible in any Plan Year to receive an allocation of Company Stock to his Company Stock Account under the Qualified Plan, the
total amount of which is reduced by reason of the application of the limitation on contributions imposed by Section 401(a)(17) or Section 415 of the Code, as in effect on any date for allocation of such shares, or as in effect at any time
thereafter, on the Qualified Plan, shall be a Participant in the Plan for such Plan Year; provided, however, that no additional employees of the Company shall become Participants in the Plan after December 31, 2004. 

 ARTICLE III 
 SUPPLEMENTAL
ALLOCATIONS 
  

	3.1	Supplemental ESOP Allocations. The Supplemental ESOP Allocation to be made for the benefit of a Participant for any Plan Year shall be an amount equal to (a) the closing
price of a share of Company Stock on the NASDAQ Stock Market on the last trading day of such Plan Year, times (b) the difference between (i) and (ii) below: 

  

	 	(i)	The number of shares of Company Stock that would have been allocated to the Qualified Plan Company Stock Account of the Participant for the Plan Year, without giving effect to the
Section 415 Limits or to the limitations imposed by Section 401 (a) (17) of the Code on the Qualified Plan; 

  

	 	(ii)	The number of shares of Company Stock actually allocated to the Qualified Plan Company Stock Account of the Participant for the Plan Year. 

  

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 Supplemental ESOP Allocations made for the benefit of a Participant for any Plan Year shall be allocated
to a Supplemental ESOP Account maintained under the Plan in the name of such Participant as of the last day of such Plan Year. Anything in the Plan to the contrary notwithstanding, no Supplemental ESOP Allocation shall be made to the Supplemental
ESOP Account of any Participant for any Plan Year that begins on or after January 1, 2005. 
  

	3.2	Vesting. Each Participant shall vest in the balance of his Supplemental ESOP Account in accordance with the vesting schedule set forth in the Qualified Plan (or in the
Qualified Thrift-Incentive Plan, for any Plan Year that begins on or after January 1, 2005) applicable to the undistributed balance of his Qualified Plan Company Stock Account. 

 ARTICLE IV 
 INVESTMENT OF
SUPPLEMENTAL ALLOCATIONS 
  

	4.1	Investments. The Corporation may cause amounts allocated hereunder to the Supplemental ESOP Accounts of Participants to be contributed to a trust (“Trust”)
designated for such purpose by the Corporation. Amounts allocated hereunder to the Supplemental ESOP Account of a Participant shall be invested in the same manner as such Participant has elected under the Northern Trust Corporation Supplemental
Thrift-Incentive Plan. EBIC shall from time to time determine the investment media to which such elections shall apply. 

  

	4.2	Effect of Change in Control. Notwithstanding anything in this Plan to the contrary, for a period of two years after the date of an occurrence of a Change in Control, the
Corporation shall not eliminate any of the investment elections and choices in effect immediately prior to the Change in Control and shall not decrease the frequency with which Participants may change such investment elections. Notwithstanding the
foregoing, in the event that an investment election is discontinued by its sponsor and therefore becomes unavailable to Participants, the Corporation shall provide a substitute election with substantially similar investment objectives and policies.

  

	4.3	Valuation of Supplemental ESOP Accounts. Participants’ Supplemental ESOP Accounts shall be valued no less frequently than monthly. 

 ARTICLE V 
 DISTRIBUTIONS AND 

 LIMITS ON DISTRIBUTIONS 
  

	5.1	Distribution. 

  

	 	(a)	 Subject to Section 5.2, the vested adjusted balance of a Participant’s Supplemental ESOP Account, including gains and losses attributable to 

  

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investments made pursuant to Section 4.1, shall be distributed to or with respect to the Participant in one lump sum, in cash, within 90 days after the
date the Participant incurs a Separation from Service. The Participant shall have no right to designate the taxable year of such distribution. 

 Any unvested portion of a Participant’s Supplemental ESOP Account shall be forfeited and retained by the Company. 
  

	 	 (b)
	 An amount that would otherwise be paid from the Supplemental ESOP Account of a Participant in a given Plan Year may be
delayed to the extent that the Company reasonably anticipates that if the payment were made as scheduled the Company’s deduction with respect to such payment would not be permitted due to the application of Code Section 162(m). Amounts not
paid as a result of the above limitation shall be paid in the earlier of (i) the Company’s first taxable year in which the Company reasonably anticipates that if the payment is made during such year the deduction of such payment will not
be barred by application of Section 162(m), or (ii) the period beginning with the date of the Participant’s Separation from Service and ending on the later of the last day of the taxable year of the Company in which the Participant
incurs a Separation from Service or the 15th day of the third month following the Participant’s Separation from Service.

  

	 	(c)	If a Participant dies before a complete distribution of his Supplemental ESOP Account has been made to him, the vested adjusted balance of such Participant’s Supplemental ESOP
Account, including gains or losses attributable to investments made pursuant to Section 4.1, shall be distributed in one lump sum, in cash, to the Beneficiary last designated by the Participant in a writing delivered to the Committee prior to
his death. The Beneficiary designated by the Participant under this Plan must be the same beneficiary designated by the Participant under the Northern Trust Corporation Supplemental Thrift-Incentive Plan. If a Participant has not designated a
Beneficiary, or if no designated Beneficiary is living on the date of distribution, the vested adjusted balance of such Participant’s Supplemental ESOP Account shall be distributed to those persons entitled to receive distribution of the
Participant’s accounts under the Qualified Thrift-Incentive Plan. 

  

	5.2	Limits on Distributions to Key Employees. Anything in the Plan to the contrary notwithstanding, if, as of the date a Participant incurs a Separation from Service, the
Participant is a Key Employee, any distribution of a 409A Amount to such Participant due to such Separation from Service that would otherwise be made during the six months following such Separation from Service shall be made six months and one day
following such Separation from Service. 

  

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	5.3	Annual Identification of Key Employees. The Specified Employee Identification Date, as defined in Treas. Reg. §1.409A-1(i)(3), to be used in determining Key Employees of
the Company shall be September 30 of any Plan Year. The January 1 of the Plan Year next following that Plan Year shall be the Specified Employee Effective Date, as defined in Treas. Reg. §1.409A-1(i)(4), for Participants identified as
Key Employees on the immediately preceding Specified Employee Identification Date. Participants identified as Key Employees on a Specified Employee Identification Date (September 30) shall be treated as Key Employees under the Plan for the 12-month
period beginning on the Specified Employee Effective Date (January 1) next following such Specified Employee Identification Date. 

 ARTICLE VI 
 ADMINISTRATION OF THE PLAN 
  

	6.1	Administration by the Committee. Except as otherwise provided in Section 4.1, the Committee shall be responsible for the general operation and administration of the Plan
and for carrying out the provisions thereof. The Committee shall have discretion to interpret and construe the provisions of the Plan. 

  

	6.2	General Powers of Administration. All provisions set forth in the Qualified Thrift-Incentive Plan) with respect to the administrative powers and duties of the Committee,
expenses of administration, and procedures for filing claims shall also be applicable with respect to the Plan. The Committee and EBIC shall be entitled to rely conclusively upon all tables, valuations, certificates, opinions and reports furnished
by any actuary, accountant, controller, counsel or other person employed or engaged by the Committee or EBIC with respect to the Plan. 

  

	6.3	Terms Include Authorized Delegates. Where appropriate, the term “Company”, “Corporation”, “Committee” or “EBIC” as used in this Plan
shall also include any applicable subcommittee or any duly authorized delegate of the Company, the Corporation, the Committee or EBIC, as the case may be. Such duly authorized delegate may be an individual or an organization within the Company, the
Corporation, the Committee or EBIC, or may be an unrelated third party individual or organization. 

 ARTICLE VII

 AMENDMENT OR TERMINATION 
  

	7.1	Amendment or Termination. The Corporation intends the Plan to be permanent but reserves the right to amend or terminate the Plan when, in the sole discretion of the
Corporation, such amendment or termination is advisable. 

  

	 	(a)	Any such termination shall be made by action of the Compensation and Benefits Committee of the Board (or by action of the Board if the Compensation and Benefits Committee is
unavailable or unable to act for any reason) and shall be effective as of the date set forth in such resolution. 

  

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	 	(b)	Any such amendment shall be made in accordance with the following: 

  

	 	(i)	material amendments to the Plan (including any extraordinary amendment related to an acquisition or divestiture by the Company) shall be made by action of the Compensation and
Benefits Committee of the Board (or by action of the Board, if the Compensation and Benefits Committee is unavailable or unable to act for any reason); and 

  

	 	(ii)	(A) non-material or administrative amendments to the Plan (including any amendment pursuant to guidelines established by the Compensation and Benefits Committee of the Board related
to an acquisition or divestiture by the Company) or (B) any amendment to the Plan deemed required, authorized or desirable under applicable statutes, regulations or rulings, shall be made by action of either Chief Executive Officer of the
Corporation or the Executive Vice President and Human Resources Department Head of the Corporation (or either of their duly authorized designees). 

  

	 	(c)	Notwithstanding the foregoing, (i) for a period of two years after the date of an occurrence of a Change in Control or (ii) 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 Compensation and Benefits Committee of the Board nor the Board may terminate or amend this Plan and neither the Chief Executive Officer of the Corporation
nor the Executive Vice President and Human Resources Department Head of the Corporation (or either of their designees) may amend this Plan in a manner that adversely affects the rights of any Participant of the Plan. 

 In addition, after the date of the occurrence of a Change in Control, no amendment of Section 5.1 of the Plan shall be effective with respect to any
Participant who is a Participant as of the occurrence of a Change in Control without the consent of such Participant. 
  

	7.2	 Effect of Amendment or Termination. No amendment or termination of the Plan shall directly or indirectly reduce the balance of any Supplemental ESOP Account
held hereunder as of the effective date of such amendment or termination. Upon termination of the Plan, distribution of amounts in a Participant’s Supplemental ESOP Account shall 

  

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be made to him or his Beneficiary in the manner and at the time described in Section 5.1 of the Plan. No additional Supplemental ESOP Allocations shall
be made to the Supplemental ESOP Account of any Participant after termination of the Plan. 

  

	7.3	Amendments Necessary to Satisfy Code Section 409A. Anything in the preceding Sections 7.1 or 7.2 or elsewhere in the Plan to the contrary notwithstanding:

  

	 	(a)	the Plan may be amended in any manner necessary to ensure that the Plan complies in all applicable respects with Code Section 409A; and 

  

	 	(b)	the Plan may not be amended in any manner that would cause the Plan to fail to comply in any applicable respect with Code Section 409A. 

 ARTICLE VIII 
 GENERAL PROVISIONS

  

	8.1	Participant’s Rights Unsecured. If and to the extent amounts allocated hereunder to the Supplemental ESOP Accounts of Participants are contributed to the Trust described
in Section 4.1, benefits under the Plan shall be payable pursuant to the Trust Agreement. Pursuant to the Trust Agreement, all assets held thereunder shall remain subject to the general creditors of the Corporation and the Company. The Plan at
all times shall be entirely unfunded and, except as otherwise set forth herein, no provision shall at any time be made with respect to segregating any assets of the Corporation or the Company for payment of any benefits hereunder. No Participant,
Beneficiary or any other person shall have any interest in any particular assets of the Corporation or the Company by reason of the right to receive a benefit under the Plan and Trust Agreement and any such Participant, Beneficiary or other person
shall have only the rights of a general unsecured creditor of the Corporation and the Company with respect to any rights under the Plan and Trust Agreement. 

  

	8.2	General Conditions. Except as otherwise expressly provided herein for any Plan Year that began prior to January 1, 2005, all terms and conditions of the Qualified Plan
applicable to allocations of Company Stock under the Qualified Plan shall also be applicable to a Supplemental ESOP Allocation made hereunder. Any allocation of Company Stock or dividends to be made under the Qualified Plan shall be made solely in
accordance with the terms and conditions of the Qualified Plan and nothing in this Plan shall operate or be construed in any way to modify, amend or affect the terms and provisions of the Qualified Plan. 

  

	8.3	No Guaranty of Benefits. Nothing contained in the Plan shall constitute a guaranty by the Corporation, the Company or any other person or entity that the assets of the
Corporation or the Company will be sufficient to pay any benefit hereunder. 

  

	8.4	No Enlargement of Employee Rights. No Participant shall have any right to receive a distribution under the Plan except in accordance with the terms of the Plan.

  

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 Establishment of the Plan shall not be construed to give any Participant the right to be retained in the
service of the Corporation or the Company. 
  

	8.5	Spendthrift Provision. No interest of any person or entity in, or right to receive a distribution under, the Plan shall be subject in any manner to sale, transfer,
assignment, pledge, attachment, garnishment, or other alienation or encumbrance of any kind; nor may such interest or right to receive a distribution be taken, either voluntarily or involuntarily, for the satisfaction of the debts of, or other
obligations or claims against, such person or entity, including claims for alimony, support, separate maintenance and claims in bankruptcy proceedings. 

  

	8.6	Applicable Law. The Plan shall be construed and administered under the laws of the State of Illinois to the extent not inconsistent with the Employee Retirement Income
Security Act of 1974, as amended. 

  

	8.7	Incapacity of Recipient. If any benefit under the Plan shall be payable to a minor or a person not adjudicated incompetent but who, by reason of illness or mental or physical
disability, is, in the opinion of the Committee, unable to properly manage his affairs, such benefit shall be paid in such of the following ways as the Committee deems best: (a) to the person directly; (b) in the case of a minor, to a
custodian under any Uniform Gift to Minors Act for the person; or (c) to the person’s spouse, adult child or blood relative. Any benefit so paid shall be a complete discharge of any liability of the Corporation, the Company and Plan
therefor. 

  

	8.8	Successors. The Plan shall not be automatically terminated by a transfer or sale of assets of the Corporation or by the merger or consolidation of the Corporation into or
with any other corporation or other entity, but the Plan shall be continued after such sale, merger or consolidation only if and to the extent that the transferee, purchaser or successor entity agrees to continue the Plan, subject to the provisions
of Section 7.1. In the event that the Plan is not continued by the transferee, purchaser or successor entity, then the Plan shall terminate subject to the provisions of Sections 7.1 and 7.2. 

  

	8.9	Unclaimed Benefit. Each Participant shall keep the Committee informed of his current address and the current address of his designated Beneficiary. None of the Corporation,
the Company or the Committee shall be obligated to search for the whereabouts of any person. If the Committee is unable to locate the Participant or any Beneficiary of the Participant, then none of the Corporation, the Company or the Plan shall have
any further obligation to pay any benefit hereunder to such Participant or Beneficiary and such benefit shall be forfeited; provided, however, that if the Participant or Beneficiary makes a valid claim for any benefit that has been forfeited, the
forfeited benefit shall be reinstated. 

  

	8.10	Electronic or Telephonic Notices. Any election, notice, direction or other such action required or permitted to be made in writing under the Plan may also be made
electronically, telephonically or otherwise, to the extent then permitted by applicable law and the administrative rules prescribed by the Committee. 

  

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	8.11	Limitations on Liability. Notwithstanding any of the preceding provisions of the Plan, none of the Corporation, the Company, any member of the Committee, any member of EBIC,
or any individual acting as an employee or agent of the Corporation, the Company, the Committee or EBIC shall be liable to any Participant, former Participant, Beneficiary or any other person for any claim, loss, liability or expense incurred in
connection with the Plan. 

  

	8.12	Gender; Headings. Words in the masculine gender shall include the feminine and the singular shall include the plural, and vice versa, unless qualified by the context. Any
headings used herein are included for ease of reference only, and are not to be construed so as to alter the terms hereof. 

  

	8.13	Compliance with Code Section 409A. The Plan is intended to comply in all applicable respects with the requirements of Code Section 409A and shall be construed and
administered so as to comply with that Code section. 

 IN WITNESS WHEREOF, Northern Trust Corporation has caused this amendment and
restatement of the Plan to be executed on its behalf by its duly authorized officer this 11th day of December, 2007, effective January 1, 2008 (or as of such other dates as are noted herein). 
  

			
	NORTHERN TRUST CORPORATION
		
	By:	 	 /s/Timothy P. Moen

	Name:	 	Timothy P. Moen
	Title:	 	Executive Vice President and
		 	Human Resources Department Head

  

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 SUPPLEMENT #1 
 Special 2005 Termination of Participation for Specified Employees 
 This Supplement #1 to the Northern Trust
Corporation Supplemental Employee Stock Ownership Plan, as amended and restated effective January 1, 2008 (the “Plan”), is made a part of the Plan and supersedes any provisions thereof to the extent that they are not consistent with
this Supplement. Unless the context clearly implies or indicates to the contrary, a word, term or phrase used or defined in the Plan is similarly used or defined for purposes of this Supplement #1. 
  

	1.	Effective Date. January 1, 2005. 

  

	2.	Application. This Supplement #1 shall apply to any Participant who would be considered a “specified employee” as defined in proposed regulation section 1.409A-1(i)
issued by the U.S. Treasury Department and the Internal Revenue Service; who terminates employment for any reason on or after the Effective Date of this Supplement #1 and on or before October 31, 2005 (individually, a “2005 Specified
Employee Participant” and, collectively, the “2005 Specified Employee Participants”). 

  

	3.	Special Provision. The following special provision shall apply to the 2005 Specified Employee Participants: 

 Special 2005 Termination of Participation: Pursuant to and in accordance with Notice 2005-1 and proposed regulations under Code section 409A issued
by the U.S. Treasury Department and the Internal Revenue Service, each 2005 Specified Employee Participant shall be considered to have terminated participation in the Plan with respect to any amounts that would otherwise be subject to Code
section 409A, effective as of the date such 2005 Specified Employee Participant terminated employment with the Company. Anything in the Plan to the contrary notwithstanding, such amounts shall be distributed in a lump sum distribution to such
2005 Specified Employee Participant no later than December 31, 2005, or the date such amounts become vested, if later. 
  

	6.	Limitations on Supplement. Nothing in this Supplement #1 shall be construed to provide any 2005 Specified Employee Participant with any rights or benefits under the Plan
other than those described in Paragraph 3 above. 

  

 - 14 -Supplemental Thrift-Incentiive Plan

 Exhibit 10(vii) 
 NORTHERN TRUST CORPORATION 
 SUPPLEMENTAL THRIFT-INCENTIVE PLAN 
 (As Amended and Restated Effective January 1, 2008) 
 The Northern Trust Company Supplemental Plan was adopted on September 16, 1975 and amended through December 16, 1986. The portions of that plan that pertained to The Northern Trust Company Thrift-Incentive Plan were amended and
restated by the Restated Supplemental Thrift-Incentive Plan for Employees of The Northern Trust Company, initially adopted effective September 1, 1989, as restated effective September 1, 1989 and as further amended and restated effective
January 1, 1996 and May 1, 1996 (the “Restated Supplemental Thrift-Incentive Plan”). Effective as of July 20, 1999, the assets and obligations of the Restated Supplemental Thrift-Incentive Plan, were transferred by The
Northern Trust Company to its parent corporation, Northern Trust Corporation and from and after such date the Northern Trust Corporation became the sponsor of the Restated Supplemental Thrift-Incentive Plan. Northern Trust Corporation further
amended and restated the Restated Supplemental Thrift-Incentive Plan effective July 20, 1999, to reflect the transfer of the assets and obligations thereof to Northern Trust Corporation and certain other changes. At that time, the Restated
Supplemental Thrift-Incentive Plan was designated the “Northern Trust Corporation Supplemental Thrift-Incentive Plan.” 
 Northern Trust
Corporation now hereby further amends and restates the Northern Trust Corporation Supplemental Thrift-Incentive Plan, generally effective January 1, 2008 (with such other effective dates as are noted herein) to comply with various changes in
applicable law, including the American Jobs Creation Act of 2004, and to make certain other changes. 
 ARTICLE I 
 DEFINITIONS 
 Wherever used herein the following terms
shall have the meanings hereinafter set forth: 
  

	1.1	“Beneficiary” means any person eligible to receive a death benefit under the Plan as designated by the Participant, in the event of death of the Participant, subject to
Section 5.1(c). 

  

	1.2	“Board” means the Board of Directors of the Corporation. 

  

	1.3	A “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)	Any Person is or becomes the Beneficial Owner, directly or indirectly, of securities of Northern Trust Corporation (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 (c) below; or 

	 	(b)	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 (i) three directors; or (ii) 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 

  

	 	(c)	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 

  

	 	(d)	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. 

  

 - 2 - 

 
For purposes of this Section 1.3 and Section 1.15 (where applicable) 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 benefit 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. 

In accordance with the Qualified Plan, upon the occurrence of a Change in Control, each Participant and Inactive Participant shall become fully vested
in the balance of his or her Supplemental Matching Contribution Account and his or her Supplemental Basic Profit Sharing Contribution Account. Any amounts credited to any such Supplemental Matching Contribution Account or to any such Supplemental
Basic Profit Sharing Contribution Account following such Change in Control shall also be fully vested. 
  

	1.4	“Code” means the Internal Revenue Code of 1986, as amended from time to time, and any regulations promulgated thereunder. 

  

	1.5	“Committee” means the Employee Benefit Administrative Committee of the Company, as constituted from time to time, which has the responsibility for administering the
Qualified Plan. 

  

	1.6	“Company” means The Northern Trust Company, an Illinois banking corporation; the Corporation; and such subsidiaries and affiliates of the Corporation as shall adopt the
Plan. 

  

	1.7	“Corporation” means Northern Trust Corporation, a Delaware corporation, and, to the extent provided in Section 8.8 below, any successor corporation or other entity
resulting from a merger or consolidation into or with the Corporation or a transfer or sale of substantially all of the assets of the Corporation. 

  

	1.8	“Deferral Distribution Date” means the date for distribution of a Participant’s Supplemental Before-Tax Deposits as irrevocably set forth in each of his Supplemental
Before-Tax Deposit Agreements. 

  

 - 3 - 

	1.9	“EBIC” means the Employee Benefit Investment Committee of the Company, as constituted from time to time, which has responsibility for overseeing the investment of the
assets attributable to the Plan. 

  

	1.10	“409A Amount” means the portion of the Supplemental Before-Tax Deposit Account, the Supplemental Matching Contribution Account and the Supplemental Basic Profit Sharing
Account of a Participant that is deferred in a taxable year beginning after December 31, 2004, as determined in accordance with Code Section 409A and applicable regulations and other guidance promulgated thereunder, and earnings
attributable thereto. An amount is considered deferred on or before December 31, 2004 if on or before that date the Participant had a legally binding right to be paid the amount, and the right to the amount was earned and vested.

  

	1.11	“Key Employee” means a Participant who is a “specified employee” within the meaning of Code Section 409A(a)(2)(B)(i). The Company’s Key Employees shall
be identified annually pursuant to Section 5.3. 

  

	1.12	“Participant” means an employee of the Company who satisfies the eligibility criteria in Section 2.1 of the Plan for one or more types of contributions under the
Plan, and by whom or with respect to whom contributions are made under the Plan. 

  

	1.13	“Plan” means the Northern Trust Corporation Supplemental Thrift-Incentive Plan as amended from time to time. 

  

	1.14	“Plan Year” means the calendar year. 

  

	1.15	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 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. 

  

 - 4 - 

	1.16	“Qualified Plan” means The Northern Trust Company Thrift-Incentive Plan as amended and restated effective January 1, 2005, and as further amended from time to time,
and each predecessor, successor or replacement employees’ cash or deferred arrangement. 

  

	1.17	“Qualified Plan Basic Profit Sharing Contribution” means the basic profit sharing contribution made by the Company with respect to a Participant under and in accordance
with the terms of the Qualified Plan in any Plan Year. 

  

	1.18	“Qualified Plan Before-Tax Deposit” means the total of all salary reduction contributions made by the Company as authorized by a Participant under and in accordance with
the terms of the Qualified Plan in any Plan Year. 

  

	1.19	“Qualified Plan Before-Tax Deposit Account” means the account established for a Participant under the Qualified Plan and known as the Before-Tax Deposit Account.

  

	1.20	“Qualified Plan Matching Contribution” means the total of all matching contributions made by the Company for the benefit of a Participant under and in accordance with the
terms of the Qualified Plan in any Plan Year. 

  

	1.21	“Qualified Plan Matching Contribution Account” means the account established for a Participant under the Qualified Plan and known as the Matching Contribution Account.

  

	1.22	“Qualified Plan Profit Sharing Contribution Account” means the account established for a Participant for the receipt of basic and discretionary profit sharing
contributions under the Qualified Plan and known as the Profit Sharing Contribution Account. 

  

	1.23	“Related Company” means any person with whom the Company is considered to be a single employer under Section 414(b) of the Code and all persons with whom the Company
would be considered a single employer under Code Section 414(c), substituting “50%” for the “80%” standard that would otherwise apply. 

  

	1.24	 “Separation from Service” means that a Participant dies, retires or otherwise has a termination of employment with the Company. A termination of
employment will be deemed to occur when the Company and the Participant reasonably anticipate that the level of bona fide services the Participant will perform for the Company after a certain date will permanently decrease to less than 50 percent of
the average level of bona fide services performed by the Participant for the Company in the immediately preceding 36 months (or the full period of the Participant’s services to the Company if the Participant has been providing services to the
Company for less than 36 months.) The employment relationship will be treated as continuing intact while the Participant is on a bona fide leave of absence (determined in accordance with Treas. Reg. Sec. 409A-1(h)) but (a) only if there is a
reasonable expectation that the Participant will return to active employment status, and (b) only to the extent that such leave of absence does 

  

 - 5 - 

	 	 
not exceed 6 months, or, if longer, for so long as the Participant has a statutory or contractual right to reemployment. For purposes of this
Section 1.24, references to the Company shall include the Company and all Related Companies. 

  

	1.25	“Supplemental Account” means any or all of the Supplemental Before-Tax Deposit Account, the Supplemental Matching Contribution Account and the Supplemental Basic Profit
Sharing Contribution Account. 

  

	1.26	“Supplemental Basic Profit Sharing Contribution” means the basic profit sharing contribution made by the Company for the benefit of a Participant under and in accordance
with the terms of the Plan in any Plan Year. 

  

	1.27	“Supplemental Basic Profit Sharing Contribution Account” means the account maintained under the Plan for a Participant that is credited with Supplemental Basic Profit
Sharing Contributions contributed under the Plan (and earnings thereon). 

  

	1.28	“Supplemental Before-Tax Deposit” means the salary reduction contribution made for the benefit of a Participant under and in accordance with the terms of the Plan in any
Plan Year. 

  

	1.29	“Supplemental Before-Tax Deposit Account” means the account maintained under the Plan for a Participant that is credited with Supplemental Before-Tax Deposits contributed
under the Plan (and earnings thereon). 

  

	1.30	“Supplemental ESOP Account” means the account established for a Participant under the Supplemental ESOP Plan. 

  

	1.31	“Supplemental ESOP Allocation” means the amount allocated for the benefit of a Participant under and in accordance with the terms of Section 3.1 of the Supplemental
ESOP Plan in any Plan Year; provided, however, that no Supplemental ESOP Allocation shall be made to the Supplemental ESOP Account of any Participant under the Supplemental ESOP Plan for any Plan Year that begins on or after January 1, 2005.

  

	1.32	“Supplemental ESOP Plan” means the Northern Trust Corporation Supplemental Employee Stock Ownership Plan, as amended and restated effective January 1, 2008 and as
further amended from time to time. 

  

	1.32	“Supplemental Matching Contribution” means the matching contribution made by the Company for the benefit of a Participant under and in accordance with the terms of the
Plan in any Plan Year. 

  

	1.34	“Supplemental Matching Contribution Account” means the account maintained under the Plan for a Participant that is credited with Supplemental Matching Contributions
contributed under the Plan (and earnings thereon). 

  

 - 6 - 

	1.35	Except as otherwise expressly provided herein, all words and phrases in the Qualified Plan shall have the same meaning in the Plan. 

 ARTICLE II 
 ELIGIBILITY

  

	2.1	Conditions for Participation and Participant Elections. 

  

	 	(a) (i)	An employee of the Company: (A) who is eligible to participate in the Qualified Plan on the first day of a Plan Year and (B) whose Salary (as defined in the Qualified
Plan), determined as of November 30 of the prior Plan Year, exceeds the compensation limitation under Section 401(a)(17) of the Code for such prior Plan Year, shall be eligible to make Supplemental Before-Tax Deposits under the Plan for
such Plan Year as soon as he has received Salary in such Plan Year equal to the Code Section 401(a)(17) limitation for that Plan Year. However, if the Code Section 401(a)(17) compensation limit for the Plan Year for which participation is
being determined is known by November 30 of such prior Plan Year, participation will be based upon such limit. 

  

	 	     (ii)	An employee of the Company (A) who is eligible to participate in the Qualified Plan in a Plan Year and (B) for whom the Company makes a Supplemental Basic Profit Sharing
Contribution to his or her Supplemental Basic Profit Sharing Contribution Account pursuant to Section 3.4 of the Plan shall be a Participant in the Plan for purposes of his or her Supplemental Basic Profit Sharing Contribution Account.

  

	 	     (iii)	An employee of the Company who is ineligible to participate in the Plan on the first day of a Plan Year either because he was not eligible for the Qualified Plan on the first day of
the Plan Year, or because his Salary did not exceed the Code Section 401 (a) (17) limitation for the prior Plan Year, who subsequently becomes eligible for the Qualified Plan or has his Salary increased so that he receives Salary in
such Plan Year that exceeds the compensation limit set forth in Code Section 401(a)(17), shall become eligible to participate in the Plan for that Plan Year for purposes of Supplemental Matching Contributions only as of the date he has received
Salary in such Plan Year that exceeds the Code Section 401(a)(17) limit. Such Supplemental Matching Contributions shall be based on the employee’s rate of contribution to the Qualified Plan on the date his contributions to the Qualified
Plan ceased. 

  

 - 7 - 

	 	(b)	An employee who meets the eligibility requirements on November 30 for Plan participation in the following Plan Year will be allowed to elect (i) to decline participation
in the Plan, or (ii) to begin contributions to the Plan once he is no longer able to contribute to the Qualified Plan because he has reached the limitations of Code Section 401 (a) (17). 

  

	 	(c)	A Participant who as of any November 30 no longer meets the eligibility requirements for Plan participation in the following Plan Year will not be allowed to continue or elect
to begin contributions to the Plan for that following Plan Year, and any Supplemental Before-Tax Deposit Agreement then in effect for such Participant shall become null and void with respect to such following Plan Year and any subsequent Plan Years.
If as of November 30 of any subsequent Plan Year, any such employee who was previously a Participant again meets the Plan’s eligibility requirements for Plan participation in the next following Plan Year, such employee will again be
allowed to elect to decline participation or begin contributions to the Plan in such next following Plan Year in accordance with Section 2.1(b) and Article III. 

 ARTICLE III 
 SUPPLEMENTAL CONTRIBUTIONS 
  

	3.1	Supplemental Before-Tax Deposit. The Supplemental Before-Tax Deposit authorized by a Participant for any Plan Year shall be applied only to Salary in excess of Code
Section 401(a)(17) limitations, in any amount equal to at least one percent (1%), but not to exceed the maximum percentage which a Participant could contribute to the Qualified Plan in such Plan Year in the absence of any statutory or
administratively imposed limitations. 

 The Supplemental Before-Tax Deposit made for the benefit of a Participant for any Plan
Year shall be allocated to a Supplemental Before-Tax Deposit Account maintained under the Plan in the name of such Participant at such time(s) as the Committee shall determine, but in any event on or before the last day of such Plan Year.

  

	3.2	Supplemental Before-Tax Deposit Agreement. As a condition of making a Supplemental Before-Tax Deposit for the benefit of a Participant pursuant to Section 3.1 for any
Plan Year, the Participant must execute a Supplemental Before-Tax Deposit Agreement, in such form as the Committee in its discretion shall determine, on which the Participant shall elect to have his Salary for such Plan Year reduced, and a
Supplemental Before-Tax Deposit made on his behalf, on Salary in excess of the Code Section 401(a)(17) limitations, in any amount equal to at least one percent (1%) of his Salary, or any multiple thereof, but not to exceed the maximum
percentage which a Participant could contribute to the Qualified Plan in such Plan Year in the absence of any statutory or administratively imposed limitations. 

  

 - 8 - 

 A Supplemental Before-Tax Deposit Agreement shall not be effective for any Plan Year unless it is
executed and delivered to the Committee by the date established by the Committee before the beginning of that Plan Year; provided that any such Supplemental Before-Tax Deposit Agreement making any such election must be made on or before
December 31 of the Participant’s taxable year preceding the taxable year in which the Participant performs the services that give rise to the Salary to be deferred. Any such Agreement and such election shall remain in effect for subsequent
Plan Years until revised or revoked by the Participant by the execution and delivery to the Committee, prior to the first day of the Plan Year in which such revision or revocation is to become effective (or such earlier date established by the
Committee), of a Supplemental Before-Tax Deposit Agreement setting forth such revision or revocation. Any Supplemental Before-Tax Deposit Agreement and election shall become irrevocable as of each December 31 (or such earlier date as the
Committee may determine) with respect to Salary payable for services performed in the immediately following Plan Year. 
  

	3.3	Supplemental Matching Contributions. The Supplemental Matching Contribution to be made by the Company on behalf of a Participant for any Plan Year who (i) is a
Participant at the beginning of a Plan Year eligible to make Supplemental Before-Tax Deposits under the Plan after reaching the Code Section 401(a)(17) limitation, who actually makes Supplemental Before-Tax Deposits under the Plan or
(ii) during the Plan Year becomes a Participant eligible to participate under Section 2.1(a)(iii) for purposes of Supplemental Matching Contributions only, shall be made in accordance with the matching contribution formula and provisions
set forth in the Qualified Plan. 

 Supplemental Matching Contributions made for the benefit of a Participant for any Plan Year
shall be allocated to a Supplemental Matching Contribution Account maintained under the Plan in the name of such Participant at such time(s) as the Committee shall determine, but in any event as of the last day of such Plan Year. 
  

	3.4	Supplemental Basic Profit Sharing Contributions. The Company shall make a Supplemental Basic Profit Sharing Contribution on behalf of a Participant for any Plan Year, based
upon the Participant’s Salary that does not exceed the Code Section 401(a)(17) limitation for such Plan Year, and only to the extent that all or part of the Qualified Plan Basic Profit Sharing Contribution cannot be made for such Plan Year
due to any limitation imposed by Code Section 415 for such Plan Year. Such Supplemental Basic Profit Sharing Contribution shall be made in accordance with the basic profit sharing contribution formula and provisions set forth in the Qualified
Plan. 

 The Supplemental Basic Profit Sharing Contribution made for the benefit of a Participant for any Plan Year shall be
allocated to a Supplemental Basic Profit Sharing 

  

 - 9 - 

 
Contribution Account maintained under the Plan in the name of such Participant at such time(s) as the Committee shall determine, but in any event as of the
last day of such Plan Year. 
  

	3.5	Vesting of Benefits. Each Participant shall at all times be fully vested in the adjusted balance of his Supplemental Before-Tax Deposit Account. Each Participant shall vest
in the adjusted balance of his Supplemental Matching Contribution Account and his Supplemental Basic Profit Sharing Contribution Account in accordance with the vesting schedule applicable to his Qualified Plan Matching Contribution Account and his
Qualified Plan Profit Sharing Contribution Account set forth in the Qualified Plan. 

 ARTICLE IV 
 INVESTMENT OF SUPPLEMENTAL CONTRIBUTIONS 
  

	4.1	Investments. The Corporation may cause amounts allocated hereunder to the Supplemental Accounts of Participants to be contributed to a trust (“Trust”) designated
for such purpose by the Corporation. Amounts allocated hereunder to the Supplemental Account of a Participant shall be subject to such procedures relating to investment elections as the Committee may from time to time establish. EBIC shall from time
to time determine the investment media to which such elections shall apply. 

 A Participant shall be entitled to change
investment elections applicable to his Supplemental Account, or to direct transfers of amounts in his Supplemental Account among the investment funds available under the Trust Agreement, provided that such directions shall also apply to his
Supplemental ESOP Allocation. Such changes can be made monthly by written request or such other frequency as the Committee shall determine. 
 Notwithstanding anything in the Plan to the contrary, for a period of two years after the date of an occurrence of a Change in Control, the Corporation shall not eliminate any of the investment elections and choices which were in effect
immediately prior to the Change in Control and shall not decrease the frequency with which Participants may change such investment elections. Notwithstanding the foregoing, in the event that an investment election is discontinued by its sponsor and
therefore becomes unavailable to Participants, the Corporation shall provide a substitute election with substantially similar investment objectives and policies. 
 Participants’ Supplemental Accounts shall be valued no less frequently than monthly. 
  

	4.2	 Corporation Securities. Notwithstanding anything to the contrary contained herein, in no event shall amounts allocated to the Supplemental Account of a
Participant be invested directly in stock or other securities of the Corporation; provided, however, that nothing contained herein shall prohibit investment of amounts allocated to the 

  

 - 10 - 

	 	 
Supplemental Account of any Participant in a mutual fund portfolio in which no more than five percent of the total fair market value of the assets of such
portfolio are invested in stock or other securities of the Corporation. 

 ARTICLE V 
 DISTRIBUTIONS AND 
 LIMITS ON
DISTRIBUTIONS 
  

	5.1	Distribution. 

  

	 	(a)	Subject to Sections 5.2 and 8.2, 

  

	 	(i)	all amounts allocated to a Participant’s Supplemental Before-Tax Deposit Account, and the vested adjusted balance of the Participant’s Supplemental Matching Contribution
Account and Supplemental Basic Profit Sharing Contribution Account, including gains and losses attributable to investments made pursuant to Section 4.1, shall be distributed to or with respect to the Participant in one lump sum, in cash, within
90 days after the date the Participant incurs a Separation from Service. The Participant shall have no right to designate the taxable year of such distribution. 

  

	 	(ii)	notwithstanding the foregoing, if a Participant is entitled to receive a Supplemental Matching Contribution or a Supplemental Basic Profit Sharing Contribution for the Plan Year in
which he incurs a Separation from Service, such Supplemental Matching Contribution or Supplemental Basic Profit Sharing Contribution and any gains or losses attributable thereto shall be distributed to or with respect to the Participant upon
completion of the first valuation following the posting of such Supplemental Matching Contribution or Supplemental Basic Profit Sharing Contribution to his Supplemental Matching Contribution Account or Supplemental Basic Profit Sharing Contribution
Account; 

  

	 	(iii)	any unvested amounts credited to a Participant’s Supplemental Matching Contribution Account and Supplemental Basic Profit Sharing Contribution Account shall be forfeited and
retained by the Company. 

  

	 	(b)	 An amount that would otherwise be paid from the Supplemental Account of a Participant in a given Plan Year may be delayed to the extent that the Company reasonably
anticipates that if the payment were made as scheduled the Company’s deduction with respect to such 

  

 - 11 - 

	 	 
payment would not be permitted due to the application of Code Section 162(m). Amounts not paid as a result of the above limitation shall be paid in the
earlier of (i) the Company’s first taxable year in which the Company reasonably anticipates that if the payment is made during such year the deduction of such payment will not be barred by application of Section 162(m), or
(ii) the period beginning with the date of the Participant’s Separation from Service and ending on the later of the last day of the taxable year of the Company in which the Participant incurs a Separation from Service or the 15th day of the third month following the Participant’s Separation from Service. 

  

	 	(c)	If a Participant dies before a complete distribution of his Supplemental Before Tax Deposit Account, his Supplemental Matching Contribution Account or his Supplemental Basic Profit
Sharing Contribution Account has been made to him, such amounts shall be distributed in one lump sum, in cash, to the Beneficiary last designated by the Participant in a writing delivered to the Committee prior to his death. The Beneficiary
designated by the Participant under this Plan must be the same beneficiary designated by the Participant under the Supplemental ESOP Plan. If a Participant has not designated a Beneficiary, or if no designated Beneficiary is living on the date of
distribution, such amounts shall be distributed to those persons entitled to receive distribution of the Participant’s accounts under the Qualified Plan. 

  

	5.2	Limits on Distributions to Key Employees. Anything in the Plan to the contrary notwithstanding, if, as of the date a Participant incurs a Separation from Service, the
Participant is a Key Employee, any distribution of a 409A Amount to such Participant due to such Separation from Service that would otherwise be made during the six months following such Separation from Service shall be made six months and one day
following such Separation from Service. 

  

	5.3	Annual Identification of Key Employees. The Specified Employee Identification Date, as defined in Treas. Reg. §1.409A-1(i)(3), to be used in determining Key Employees of
the Company shall be September 30 of any Plan Year. The January 1 of the Plan Year next following that Plan Year shall be the Specified Employee Effective Date, as defined in Treas. Reg. §1.409A-1(i)(4), for Participants identified as
Key Employees on the immediately preceding Specified Employee Identification Date. Participants identified as Key Employees on a Specified Employee Identification Date (September 30) shall be treated as Key Employees under the Plan for the 12-month
period beginning on the Specified Employee Effective Date (January 1) next following such Specified Employee Identification Date. 

  

 - 12 - 

 ARTICLE VI 
 ADMINISTRATION OF THE PLAN 
  

	6.1	Administration by the Committee. Except as otherwise provided in Section 4.1, the Committee shall be responsible for the general operation and administration of the Plan
and for carrying out the provisions thereof. The Committee shall have discretion to interpret and construe the provisions of the Plan. 

  

	6.2	General Powers of Administration. All provisions set forth in the Qualified Plan with respect to the administrative powers and duties of the Committee, expenses of
administration, and procedures for filing claims shall also be applicable with respect to the Plan. The Committee and EBIC shall be entitled to rely conclusively upon all tables, valuations, certificates, opinions and reports furnished by any
actuary, accountant, controller, counsel or other person employed or engaged by the Committee or EBIC with respect to the Plan. 

  

	6.3	Terms Include Authorized Delegates. Where appropriate, the term “Company”, “Corporation”, “Committee” or “EBIC” as used in this Plan
shall also include any applicable subcommittee or any duly authorized delegate of the Company, the Corporation, the Committee or EBIC, as the case may be. Such duly authorized delegate may be an individual or an organization within the Company, the
Corporation, the Committee or EBIC, or may be an unrelated third party individual or organization. 

 ARTICLE VII

 AMENDMENT OR TERMINATION 
  

	7.1	Amendment or Termination. The Corporation intends the Plan to be permanent but reserves the right to amend or terminate the Plan when, in the sole discretion of the
Corporation, such amendment or termination is advisable. 

  

	 	(a)	Any such termination shall be made by action of the Compensation and Benefits Committee of the Board (or by action of the Board if the Compensation and Benefits Committee is
unavailable or unable to act for any reason) and shall be effective as of the date set forth in such resolution. 

  

	 	(b)	Any such amendment shall be made in accordance with the following: 

  

	 	(i)	material amendments to the Plan (including any extraordinary amendment related to an acquisition or divestiture by the Company) shall be made by action of the Compensation and
Benefits Committee of the Board (or by action of the Board, if the Compensation and Benefits Committee is unavailable or unable to act for any reason); and 

  

 - 13 - 

	 	(ii)	(A) non-material or administrative amendments to the Plan (including any amendment pursuant to guidelines established by the Compensation and Benefits Committee of the Board related
to an acquisition or divestiture by the Company) or (B) any amendment to the Plan deemed required, authorized or desirable under applicable statutes, regulations or rulings, shall be made by action of either the Chief Executive Officer of the
Corporation or the Executive Vice President and Human Resources Department Head of the Corporation (or either of their duly authorized designees). 

  

	 	(c)	Notwithstanding the foregoing, (i) for a period of two years after the date of an occurrence of a Change in Control or (ii) 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 Compensation and Benefits Committee of the Board nor the Board may terminate or amend the Plan and neither the Chief Executive Officer of the Corporation
nor the Executive Vice President and Human Resources Department Head of the Corporation (or either of their designees) may amend the Plan in a manner that adversely affects the rights of any Participant of the Plan. 

 In addition, after the date of the occurrence of a Change in Control, no amendment of Section 5.1 of the Plan shall be effective with respect to any
Participant who is a Participant as of the occurrence of a Change in Control without the consent of such Participant. 
  

	7.2	Effect of Amendment or Termination. No amendment or termination of the Plan shall directly or indirectly reduce the balance of any Supplemental Account held hereunder as of
the effective date of such amendment or termination. Upon termination of the Plan, distribution of amounts in a Participant’s Supplemental Account shall be made to him or his Beneficiary in the manner and at the time described in
Section 5.1 of the Plan. No additional credits of Supplemental Before-Tax Deposits, Supplemental Matching Contributions or Supplemental Basic Profit Sharing Contributions shall be made to the Supplemental Account of a Participant after
termination of the Plan, but gains and losses attributable to investments made pursuant to Section 4.1 shall continue to be credited to such Supplemental Account until the balance of such Supplemental Account has been fully distributed to the
Participant or his Beneficiary. 

  

	7.3	Amendments Necessary to Satisfy Code Section 409A. Anything in the preceding Sections 7.1 or 7.2 or elsewhere in the Plan to the contrary notwithstanding:

  

	 	(a)	the Plan may be amended in any manner necessary to ensure that the Plan complies in all applicable respects with Code Section 409A; and 

  

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	 	(b)	the Plan may not be amended in any manner that would cause the Plan to fail to comply in any applicable respect with Code Section 409A. 

 ARTICLE VIII 
 GENERAL PROVISIONS

  

	8.1	Participant’s Rights Unsecured. If and to the extent amounts allocated hereunder to the Supplemental Accounts of Participants are contributed to the Trust described in
Section 4.1, benefits under the Plan shall be payable pursuant to the Trust Agreement. Pursuant to the Trust Agreement, all assets held thereunder shall remain subject to the general creditors of the Corporation and the Company. The Plan at all
times shall be entirely unfunded and, except as otherwise set forth herein, no provision shall at any time be made with respect to segregating any assets of the Corporation or the Company for payment of any benefits hereunder. No Participant,
Beneficiary or any other person shall have any interest in any particular assets of the Corporation or the Company by reason of the right to receive a benefit under the Plan and Trust Agreement and any such Participant, Beneficiary or other person
shall have only the rights of a general unsecured creditor of the Corporation and the Company with respect to any rights under the Plan and Trust Agreement. 

  

	8.2	General Conditions. Except as otherwise expressly provided herein, all terms and conditions of the Qualified Plan applicable to a Qualified Plan Before-Tax Deposit, a
Qualified Plan Matching Contribution or a Qualified Plan Basic Profit Sharing Contribution shall also be applicable to a Supplemental Before-Tax Deposit, a Supplemental Matching Contribution or a Supplemental Basic Profit Sharing Contribution to be
made hereunder. Any Qualified Plan Before-Tax Deposit, Qualified Plan Matching Contribution or Qualified Plan Basic Profit Sharing Contribution, or any other contributions to be made under the Qualified Plan, shall be made solely in accordance with
the terms and conditions of the Qualified Plan and nothing in this Plan shall operate or be construed in any way to modify, amend or affect the terms and provisions of the Qualified Plan. 

  

	8.3	No Guaranty of Benefits. Nothing contained in the Plan shall constitute a guaranty by the Corporation, the Company or any other person or entity that the assets of the
Corporation or the Company will be sufficient to pay any benefit hereunder. 

  

	8.4	No Enlargement of Employee Rights. No Participant shall have any right to receive a distribution under the Plan except in accordance with the terms of the Plan. Establishment
of the Plan shall not be construed to give any Participant the right to be retained in the service of the Corporation or the Company. 

  

	8.5	 Spendthrift Provision. No interest of any person or entity in, or right to receive a distribution under, the Plan shall be subject in any manner to sale,
transfer, assignment, pledge, attachment, garnishment, or other alienation or encumbrance of any kind; nor may such interest or right to receive a distribution be taken, either 

  

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voluntarily or involuntarily, for the satisfaction of the debts of, or other obligations or claims against, such person or entity, including claims for
alimony, support, separate maintenance and claims in bankruptcy proceedings. 

  

	8.6	Applicable Law. The Plan shall be construed and administered under the laws of the State of Illinois to the extent not inconsistent with the Employee Retirement Income
Security Act of 1974, as amended. 

  

	8.7	Incapacity of Recipient. If any benefit under the Plan shall be payable to a minor or a person not adjudicated incompetent but who, by reason of illness or mental or physical
disability, is, in the opinion of the Committee, unable to properly manage his affairs, such benefit shall be paid in such of the following ways as the Committee deems best: (a) to the person directly; (b) in the case of a minor, to a
custodian under any Uniform Gift to Minors Act for the person; or (c) to the person’s spouse, adult child or blood relative. Any benefit so paid shall be a complete discharge of any liability of the Corporation, the Company and the Plan
therefor. 

  

	8.8	Successors. The Plan shall not be automatically terminated by a transfer or sale of assets of the Corporation, or by the merger or consolidation of the Corporation into or
with any other corporation or other entity, but the Plan shall be continued after such sale, merger or consolidation only if and to the extent that the transferee, purchaser or successor entity agrees to continue the Plan, subject to the provisions
of Section 7.1. In the event that the Plan is not continued by the transferee, purchaser or successor entity, then the Plan shall terminate, subject to the provisions of Sections 7.1 and 7.2. 

  

	8.9	Unclaimed Benefit. Each Participant shall keep the Committee informed of his current address and the current address of his designated Beneficiary. None of the Corporation,
the Company or the Committee shall be obligated to search for the whereabouts of any person. If the Committee is unable to locate the Participant or any Beneficiary of the Participant, then none of the Corporation, the Company or the Plan shall have
any further obligation to pay any benefit hereunder to such Participant or Beneficiary and such benefit shall be forfeited; provided, however, that if the Participant or Beneficiary makes a valid claim for any benefit that has been forfeited, the
forfeited benefit shall be reinstated. 

  

	8.10	Electronic or Telephonic Notices. Any election, notice, direction or other such action required or permitted to be made in writing under the Plan may also be made
electronically, telephonically or otherwise, to the extent then permitted by applicable law and the administrative rules prescribed by the Committee. 

  

	8.11	Limitations on Liability. Notwithstanding any of the preceding provisions of the Plan, none of the Corporation, the Company, any member of the Committee, any member of EBIC,
or any individual acting as an employee or agent of the Corporation, the Company, the Committee or EBIC, shall be liable to any Participant, former Participant, Beneficiary or any other person for any claim, loss, liability or expense incurred in
connection with the Plan. 

  

 - 16 - 

	8.12	Gender; Headings. Words in the masculine gender shall include the feminine and the singular shall include the plural, and vice versa, unless qualified by the context. Any
headings used herein are included for ease of reference only, and are not to be construed so as to alter the terms hereof. 

  

	8.13	Compliance with Code Section 409A. The Plan is intended to comply in all applicable respects with the requirements of Code Section 409A and shall be construed and
administered so as to comply with that Code section. 

 IN WITNESS WHEREOF, Northern Trust Corporation has caused this amendment and
restatement of the Plan to be executed on its behalf by its duly authorized officer this 11th day of December, 2007, effective January 1, 2008 (or as of such other dates as are noted herein). 
  

			
	NORTHERN TRUST CORPORATION
		
	By:	 	 /s/ Timothy P. Moen

	Name:	 	Timothy P. Moen
	Title:	 	Executive Vice President and
		 	Human Resources Department Head

  

 - 17 - 

 SUPPLEMENT #1 
 Special 2005 Supplemental Before-Tax Deposit Agreement 
 This Supplement #1 to the Northern Trust Corporation
Supplemental Thrift-Incentive Plan, as amended and restated effective January 1, 2008 (the “Plan”), is made a part of the Plan and supersedes any provisions thereof to the extent that they are not consistent with this Supplement.
Unless the context clearly implies or indicates to the contrary, a word, term or phrase used or defined in the Plan is similarly used or defined for purposes of this Supplement #1. 
  

	1.	Effective Date. February 10, 2005. 

  

	2.	Application. This Supplement #1 shall apply to all Participants who were eligible to make a Supplemental Before-Tax Deposit for the Plan Year beginning January 1, 2005
(the “2005 Plan Year”), but who failed to execute and deliver a Supplemental Before-Tax Deposit Agreement to the Committee prior to the date specified by the Committee before the beginning of the 2005 Plan Year (individually, a
“Special Election Participant” and, collectively, the “Special Election Participants”). 

  

	3.	Special Provision. The following special provision shall apply to the Special Election Participants: 

 Special 2005 Election: Pursuant to and in accordance with Notice 2005-1 issued by the U.S. Treasury Department and the Internal Revenue Service,
each Special Election Participant shall have the opportunity to execute and deliver to the Committee a Supplemental Before-Tax Deposit Agreement for the 2005 Plan Year to be applied only to Salary in excess of Code Section 401(a)(17)
limitations, in any amount equal to at least one percent (1%), but not to exceed forty percent (40%), subject to the requirements specified in paragraphs 4 through 6 below. 
  

	4.	Special Election Deadline. To be effective, a Supplemental Before-Tax Deposit Agreement referred to in paragraph 3 above must be executed and delivered to the Committee by
the Special Election Participant on or before the date specified by the Committee that is after the Effective Date of this Supplement #1, but no later than March 15, 2005. 

  

	5.	Special Salary Limitation. A Supplemental Before-Tax Deposit Agreement executed and delivered by a Special Election Participant pursuant to this Supplement #1 shall only
apply to Salary of the Special Election Participant that has not been paid or become payable at the time the Special Election Participant executes and delivers such Supplemental Before-Tax Deposit Agreement. 

  

	6.	Limitations on Supplement. Nothing in this Supplement #1 shall be construed to provide any Special Election Participant with any rights or benefits under the Plan other than
those described in Paragraphs 3 through 5 above. 

  

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 SUPPLEMENT #2 
 Special 2005 Termination of Participation for Specified Employees 
 This Supplement #2 to the Northern Trust
Corporation Supplemental Thrift-Incentive Plan, as amended and restated effective January 1, 2008 (the “Plan”), is made a part of the Plan and supersedes any provisions thereof to the extent that they are not consistent with this
Supplement. Unless the context clearly implies or indicates to the contrary, a word, term or phrase used or defined in the Plan is similarly used or defined for purposes of this Supplement #2. 
  

	1.	Effective Date. January 1, 2005. 

  

	2.	Application. This Supplement #2 shall apply to any Participant who would be considered a “specified employee” as defined in proposed regulation section 1.409A-1(i)
issued by the U.S. Treasury Department and the Internal Revenue Service; who terminates employment for any reason on or after the Effective Date of this Supplement #2 and on or before October 31, 2005 (individually, a “2005 Specified
Employee Participant” and, collectively, the “2005 Specified Employee Participants”). 

  

	3.	Special Provision. The following special provision shall apply to the 2005 Specified Employee Participants: 

 Special 2005 Termination of Participation: Pursuant to and in accordance with Notice 2005-1 and proposed regulations under Code section 409A issued
by the U.S. Treasury Department and the Internal Revenue Service, each 2005 Specified Employee Participant shall be considered to have terminated participation in the Plan with respect to any amounts that would otherwise be subject to Code
section 409A, effective as of the date such 2005 Specified Employee Participant terminated employment with the Company. Anything in the Plan to the contrary notwithstanding, such amounts shall be distributed in a lump sum distribution to such
2005 Specified Employee Participant no later than December 31, 2005, or the date such amounts become vested, if later. 
  

	6.	Limitations on Supplement. Nothing in this Supplement #2 shall be construed to provide any 2005 Specified Employee Participant with any rights or benefits under the Plan
other than those described in Paragraph 3 above. 

  

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