Document:

exv10w1

 

Exhibit 10.1

STOCKHOLDER AGREEMENT

BY AND AMONG

SXC HEALTH SOLUTIONS CORP.,

NEW MOUNTAIN PARTNERS, L.P.,

AND

NATIONAL MEDICAL HEALTH CARD SYSTEMS, INC.

DATED AS OF FEBRUARY 25, 2008

 

 

INDEX OF DEFINED TERMS

	 	 	 	 	 
	 	 	Page
	Agreement
	 	 	1	 
	Beneficial Ownership
	 	 	2	 
	Beneficially Own
	 	 	2	 
	Beneficially Owned
	 	 	2	 
	Claims
	 	 	11	 
	Company
	 	 	1	 
	Company Common Stock
	 	 	1	 
	Company Convertible Preferred Stock
	 	 	1	 
	Company Stock
	 	 	1	 
	Covered Shares
	 	 	2	 
	Depositary
	 	 	3	 
	Encumbrance
	 	 	2	 
	Existing Shares
	 	 	2	 
	Fundamental Amendment
	 	 	13	 
	Grantees
	 	 	5	 
	Lock-Up Period
	 	 	8	 
	Meeting Right
	 	 	12	 
	Merger
	 	 	1	 
	Merger Agreement
	 	 	1	 
	Merger Sub
	 	 	1	 
	Offer
	 	 	1	 
	Operative Date
	 	 	2	 
	Other Stockholder
	 	 	2	 
	Parent
	 	 	1	 
	Prohibited Activity
	 	 	11	 
	Registration Rights Agreement
	 	 	8	 
	Releasees
	 	 	11	 
	Section 3.1(a) Matters
	 	 	5	 
	Stockholder
	 	 	1	 
	Tender Documents
	 	 	3	 
	Traded Securities
	 	 	11	 
	Transfer
	 	 	2	 
	US Corp.
	 	 	1	 
	Valuation Period
	 	 	11	 

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STOCKHOLDER AGREEMENT

          STOCKHOLDER AGREEMENT, dated as of February 25, 2008 (this “Agreement”), by and among
SXC Health Solutions Corp., a corporation organized under the laws of Yukon Territory, Canada
(“Parent”), New Mountain Partners, L.P., a Delaware limited partnership (the
“Stockholder”), and National Medical Health Card Systems, Inc., a Delaware corporation (the
“Company”).

W I T N E S S E T H:

          WHEREAS, concurrently with the execution of this Agreement, Parent, SXC Health Solutions,
Inc., a Texas corporation (“US Corp.”), Comet Merger Corporation, a newly-formed Delaware
corporation that is wholly-owned by US Corp. and an indirect wholly-owned subsidiary of Parent
(“Merger Sub”), and the Company are entering into an Agreement and Plan of Merger, dated as
of the date hereof (as amended, supplemented, restated or otherwise modified from time to time, the
“Merger Agreement”) pursuant to which, among other things, Merger Sub will commence an
exchange offer (the “Offer”) to acquire all of the outstanding shares of common stock, par
value $0.001 per share, of the Company (“Company Common Stock”), and following the
consummation of the Offer (or, subject to certain conditions, in lieu thereof), Merger Sub will
merge with and into the Company (the “Merger”) and each outstanding share of Company Common
Stock and each outstanding share, if any, of the Company’s Series A 7% Convertible Preferred Stock,
par value $0.10 per share (“Company Convertible Preferred Stock”, and together with the
Company Common Stock, “Company Stock”), will be converted into the right to receive the
merger consideration specified therein.

          WHEREAS, as of the date hereof, the Stockholder is the record and beneficial owner, in the
aggregate, of 6,790,797 outstanding shares of the Company Convertible Preferred Stock;

          WHEREAS, as a material inducement to Parent entering into the Merger Agreement, Parent has
required that the Stockholder agree, and the Stockholder has agreed, to enter into this agreement
and abide by the covenants and obligations with respect to the Covered Shares (as hereinafter
defined) set forth herein.

          NOW THEREFORE, in consideration of the foregoing and the mutual representations, warranties,
covenants and agreements herein contained, and intending to be legally bound hereby, the parties
hereto agree as follows:

ARTICLE I

GENERAL

     1.1. Defined Terms . The following capitalized terms, as used in this Agreement, shall have the meanings set forth
below. Capitalized terms used but not otherwise defined herein shall have the meanings ascribed
thereto in the Merger Agreement.

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          “Beneficial Ownership” by a Person of any securities includes ownership by any Person
who, directly or indirectly, through any contract, arrangement, understanding, relationship or
otherwise, has or shares (i) voting power which includes the power to vote, or to direct the voting
of, such security; and/or (ii) investment power which includes the power to dispose, or to direct
the disposition, of such security; and shall otherwise be interpreted in accordance with the term
“beneficial ownership” as defined in Rule 13d-3 adopted by the Securities and Exchange Commission
under the Securities Exchange Act of 1934, as amended; provided that for purposes of
determining Beneficial Ownership, a Person shall be deemed to be the Beneficial Owner of any
securities which such Person has, at any time during the term of this Agreement, the right to
acquire pursuant to any agreement, arrangement or understanding or upon the exercise of conversion
rights, exchange rights, warrants or options, or otherwise (irrespective of whether the right to
acquire such securities is exercisable immediately or only after the passage of time, including the
passage of time in excess of 60 days, the satisfaction of any conditions, the occurrence of any
event or any combination of the foregoing). The terms “Beneficially Own” and
“Beneficially Owned” shall have a correlative meaning.

          “Covered Shares” means, with respect to the Stockholder, the Stockholder’s Existing
Shares, together with any shares of Company Stock or other voting capital stock of the Company and
any securities convertible into or exercisable or exchangeable for shares of Company Stock or other
voting capital stock of the Company, in each case, that the Stockholder acquires Beneficial
Ownership of on or after the date hereof.

          “Encumbrance” means any security interest, pledge, mortgage, lien (statutory or
other), charge, option to purchase, lease or other right to acquire any interest or any claim,
restriction, covenant, title defect, hypothecation, assignment, deposit arrangement or other
encumbrance of any kind or any preference, priority or other security agreement or preferential
arrangement of any kind or nature whatsoever (including any conditional sale or other title
retention agreement), excluding restrictions under securities laws and excluding any Encumbrance
set forth in the Certificate of Designations.

          “Existing Shares” means, with respect to the Stockholder, the number of shares of
Company Stock Beneficially Owned and owned of record by the Stockholder, as set forth in the
recitals.

          “Operative Date” means the Acceptance Date, if the transactions contemplated by the
Merger Agreement are effected by means of the Offer followed by the Second Step Merger, and means
the Closing, if the transactions contemplated by the Merger Agreement are effected as a One Step
Merger.

          “Other Stockholder” means New Mountain Affiliated Investors, L.P., a Delaware limited
partnership and the holder of the outstanding shares of Company Convertible Preferred Stock not
held by the Stockholder.

          “Transfer” means, directly or indirectly, to sell, transfer, assign, pledge, encumber,
hypothecate or similarly dispose of (by merger (including by conversion into securities or other
consideration), by tendering into any tender or exchange offer, by operation of law or otherwise),
either voluntarily or involuntarily, or to enter into any contract, option or other

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arrangement or
understanding with respect to the voting of or sale, transfer, assignment, pledge, encumbrance,
hypothecation or similar disposition of (by merger, by tendering into any tender or exchange offer,
by operation of law or otherwise) (but does not include any conversion of the Company Convertible
Preferred Stock into Company Common Stock after the Certificate of Amendment has become effective).

ARTICLE II

TENDERING

     2.1.  Agreement to Tender.

          (a) The Stockholder hereby agrees that, within five business days after commencement of the
Offer, the Stockholder shall validly tender or cause to be tendered in the Offer all of the shares
of Company Stock represented by the Stockholder’s Covered Shares pursuant to and in accordance with
the terms of the Offer, by delivering to the depositary designated in the Offer (the
“Depositary”) (i) an executed letter of transmittal with respect to the Covered Shares,
(ii) a certificate or certificates representing the Covered Shares, (iii) all other documents or
instruments required to be delivered pursuant to the terms of the Offer, and (iv) a letter of
instruction signed by the Stockholder instructing the Company to convert the Covered Shares into
Company Common Stock effective upon receipt of a certificate from an executive officer of Parent
stating that (1) all of the conditions to the Offer (other than the Minimum Condition) have been
satisfied or waived, (2) upon the conversion by the Stockholder of its Covered Shares into Company
Common Stock and the conversion by the Other Stockholder of the shares of Company Stock owned by it
into Company Common Stock, the Minimum Condition will have been satisfied, and (3) Merger Sub
stands ready to, and will, immediately following such conversion by the Stockholder and the Other
Stockholder, accept for payment all shares of Company Common Stock validly tendered in the Offer
and not theretofore withdrawn (all of the foregoing documents, the “Tender Documents”).

          (b) The Stockholder hereby agrees that once the Tender Documents shall have been delivered to
the Depositary, the Stockholder will not withdraw, nor permit the withdrawal of, any Tender
Documents from the Offer, unless and until (i) the Offer shall have been terminated by Merger Sub
in accordance with the terms of the Merger Agreement, or (ii) this Agreement shall have been
terminated in accordance with Section 6.1.

          (c) Notwithstanding the provisions of Sections 2.1(a) and 2.1(b), in the event of a Change in
Recommendation made in compliance with the Merger Agreement, the obligation of the Stockholder to
tender and not withdraw its Covered Shares in the manner set forth in this Section 2.1 shall only
apply to an aggregate number of Covered Shares that is equal to 30% of the total number of shares
of Company Stock outstanding on the Acceptance Date, and the Stockholder may or may not tender the
balance of its Covered Shares in the Offer, and may
withdraw from the Offer all or any portion of such balance of its Covered Shares that it may
previously have tendered, as the Stockholder, in its sole discretion, determines.

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ARTICLE III

VOTING

     3.1. Agreement to Vote.

          (a) The Stockholder hereby irrevocably and unconditionally agrees that during the period
beginning on the date hereof and ending on the earliest of (x) the Operative Date, (y) the
termination of the Merger Agreement in accordance with its terms or (z) the termination of this
Agreement in accordance with its terms, at the Company Stockholders Meeting and at any other
meeting of the stockholders of the Company, however called, including any adjournment or
postponement thereof, and in connection with any written consent of the stockholders of the
Company, the Stockholder shall, in each case, to the fullest extent that such matters are submitted
for the vote or written consent of the Stockholder and that the Covered Shares are entitled to vote
thereon or consent thereto:

          (i) appear at each such meeting or otherwise cause the Covered Shares as to which the
Stockholder controls the right to vote to be counted as present thereat for purposes of
calculating a quorum; and

          (ii) vote (or cause to be voted), in person or by proxy, or deliver (or cause to be
delivered) a written consent covering, all of the Covered Shares as to which the Stockholder
controls the right to vote (or, if applicable, only such portion of the Covered Shares as is
provided in Section 3.1(b)) (i) in favor of the adoption of the Merger Agreement and any
related proposal in furtherance thereof, as reasonably requested by Parent, submitted for
the vote or written consent of stockholders; (ii) against any action or agreement submitted
for the vote or written consent of stockholders that the Stockholder knows is in opposition
to, or competitive or materially inconsistent with, the Offer or the Merger or that the
Stockholder knows would result in a breach of any covenant, representation or warranty or
any other obligation or agreement of the Company contained in the Merger Agreement, or of
the Stockholder contained in this Agreement; and (iii) against any Acquisition Proposal and
against any other action, agreement or transaction submitted for the vote or written consent
of stockholders that the Stockholder knows would impede, interfere with, delay, postpone,
discourage, frustrate the purposes of or adversely affect the Offer, the Merger or the other
transactions contemplated by the Merger Agreement or this Agreement or the performance by
the Company of its obligations under the Merger Agreement or by the Stockholder of its
obligations under this Agreement, including, but not limited to: (A) any extraordinary
corporate transaction, such as a merger, consolidation or other business combination
involving the Company or any subsidiary of the Company; (B) any sale, lease or transfer of a
material amount of assets of the Company (including capital stock or other equity interest
in its Subsidiaries) or any subsidiary of the Company; (C) any reorganization,
recapitalization, dissolution or liquidation of the Company or any
subsidiary of the Company; (D) any change in a majority of the board of directors of
the Company; (E) any amendment to the Company’s certificate of incorporation or bylaws
(except for any amendment to increase the authorized capital stock); and (F) any change in
the capitalization of the Company or the Company’s corporate structure.

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The obligations of the Stockholder specified in this Section 3.1(a) shall apply whether or not the
Offer, the Merger or any action described above is recommended by the Board of Directors of the
Company. Any such vote shall be cast (or consent shall be given) by the Stockholder in accordance
with such procedures relating thereto so as to ensure that it is duly counted, including for
purposes of determining whether a quorum is present.

          (b) Notwithstanding the provisions of Section 3.1(a), in the event of a Change in
Recommendation made in compliance with the Merger Agreement, the obligation of the Stockholder to
vote (or cause to be voted), or to deliver (or cause to be delivered) a written consent with
respect to, the Covered Shares in the manner set forth in this Section 3.1 shall, with respect to
any combined vote of holders of Company Common Stock and Company Convertible Preferred Stock, only
apply to an aggregate number of Covered Shares entitled to vote in respect of such matter that is
equal to 30% of the total vote of the shares of Company Stock entitled to vote in respect of such
matter, and shall terminate, together with the authority of each of the proxies set forth in
Section 3.3, with respect to the balance of the Covered Shares, and the Stockholder may vote (or
cause to be voted), or deliver (or cause to be delivered) a written consent with respect to, such
balance of its Covered Shares as the Stockholder, in its sole discretion, determines.

     3.2. No Inconsistent Agreements. The Stockholder hereby covenants and agrees that,
except for this Agreement or as set forth in Section 7 of the Certificate of Designations, and
except as may be permitted by Section 5.4(b), it (a) has not entered into, and shall not enter into
at any time while this Agreement remains in effect, any voting agreement or voting trust with
respect to the Covered Shares with respect to any of the matters described in Section 3.1(a)(ii)
(the “Section 3.1(a) Matters”), (b) has not granted, and shall not grant at any time while
this Agreement remains in effect (except pursuant to Section 3.3), a proxy, consent or power of
attorney with respect to the Covered Shares with respect to any of the Section 3.1(a) Matters and
(c) has not knowingly taken and shall not knowingly take any action that would make any
representation or warranty of the Stockholder contained herein untrue or incorrect or have the
effect of preventing or disabling the Stockholder from performing any of its obligations under this
Agreement.

     3.3. Proxy. Without in any way limiting the Stockholder’s right to vote the Covered Shares
in its sole discretion on any matters other than the Section 3.1(a) Matters that may be submitted
to a stockholder vote, consent or other approval, the Stockholder hereby irrevocably appoints as
its proxy and attorney-in-fact, Gordon Glenn and Jeffrey Park, pursuant to a proxy to be delivered
to Parent substantially in the form attached hereto as Annex A, in their respective capacities as
officers of Parent, and any individual who shall hereafter succeed to any such officer of Parent,
and any other Person designated in writing by Parent (collectively, the “Grantees”), each
of them individually, with full power of substitution, to vote or execute written consents
with respect to the Covered Shares as to which the Stockholder controls the right to vote in
accordance with Section 3.1 (or, if applicable, only such portion of the Covered Shares as is
provided in Section 3.1(b)) and, in the discretion of the Grantees, with respect to any proposed
postponements or adjournments of any annual or special meeting of the stockholders of the Company
at which any of the Section 3.1(a) Matters was to be considered. This proxy is coupled with an
interest and shall be irrevocable until the earliest of (i) the Operative Date, (ii) the
termination of the Merger Agreement in accordance with its terms, or (iii) the termination of

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this
Agreement in accordance with its terms, in which event this proxy shall automatically be revoked
without any further action by any party. The Stockholder will take such further action or execute
such other instruments as may be necessary to effectuate the intent of this proxy and hereby
revokes any proxy previously granted by it with respect to the Covered Shares with respect to any
of the Section 3.1(a) Matters. So long as the proxy granted under this Section 3.3 is a valid
uncontested proxy that is effective to deliver the votes of the Covered Shares (or, if applicable,
only such portion of the Covered Shares as is provided in Section 3.1(b)), the Stockholder shall be
deemed to be fulfilling its obligations under Section 3.1. If Parent believes that such proxy is
not a valid proxy or if Parent otherwise does not wish to utilize the proxy, Parent will so notify
the Stockholder in writing so that the Stockholder will be able to perform its obligations under
Section 3.1.

ARTICLE IV

REPRESENTATIONS AND WARRANTIES

     4.1. Representations and Warranties of the Stockholder. The Stockholder hereby represents
and warrants to Parent as follows:

          (a) Organization; Authorization; Validity of Agreement; Necessary Action . The
Stockholder is duly organized and is validly existing and in good standing under the laws of the
jurisdiction of its formation. The Stockholder has full power and authority to execute and deliver
this Agreement, to perform its obligations hereunder and to consummate the transactions
contemplated hereby. The execution and delivery by the Stockholder of this Agreement, the
performance by it of its obligations hereunder and the consummation by it of the transactions
contemplated hereby have been duly and validly authorized by the Stockholder and no other actions
or proceedings on the part of the Stockholder or any stockholder thereof are necessary to authorize
the execution and delivery by it of this Agreement, the performance by it of its obligations
hereunder or the consummation by it of the transactions contemplated hereby. This Agreement has
been duly executed and delivered by the Stockholder and, assuming this Agreement constitutes a
valid and binding obligation of the other parties hereto, constitutes a legal, valid and binding
obligation of the Stockholder, enforceable against it in accordance with its terms, subject to
bankruptcy, insolvency, fraudulent transfer, moratorium, reorganization or similar laws affecting
the rights of creditors generally and the availability of equitable remedies (regardless of whether
such enforceability is considered in a proceeding in equity or at law).

          (b) Ownership. The Stockholder’s Existing Shares are, and all of the Covered Shares
owned by the Stockholder from the date hereof through and on the Operative Date will be,
Beneficially Owned and owned of record by the Stockholder, except that, in the case of the
Offer, the Company Convertible Preferred Stock will have been converted into Company Common
Stock in accordance with the terms of this Agreement. The Stockholder has good and marketable
title to the Stockholder’s Existing Shares, free and clear of any Encumbrances. As of the date
hereof, the Stockholder’s Existing Shares constitute all of the shares of Company Stock
Beneficially Owned or owned of record by the Stockholder. Except for the rights granted to Parent
hereby, the Stockholder has and will have at all times through the Operative Date sole voting power
(including the right to control such vote as contemplated herein)
with respect to the Section
3.1(a) Matters, sole power of disposition, sole power to issue instructions with respect to

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the Section
3.1(a) Matters, and sole power to agree to all of the matters set forth in this Agreement,
in each case, with respect to all of the Stockholder’s Existing Shares and with respect to all of
the Covered Shares owned by the Stockholder at all times through the Operative Date.

          (c) No Violation. The execution, delivery and performance of this Agreement by the
Stockholder does not and will not (whether with or without notice or lapse of time, or both) (i)
violate any provision of the certificate of formation or bylaws or other comparable governing
documents, as applicable, of the Stockholder, (ii) violate, conflict with or result in the breach
of any of the terms or conditions of, result in any (or the right to make any) modification of or
the cancellation or loss of a benefit under, require any notice, consent or action under, or
otherwise give any Person the right to terminate, accelerate obligations under or receive payment
or additional rights under, or constitute a default under, any Contract to which the Stockholder is
a party or by which it is bound or (iii) violate any Law applicable to the Stockholder or by which
any of the Stockholder’s assets or properties is bound, except for any of the foregoing as would
not, either individually or in the aggregate, impair the ability of the Stockholder to perform its
obligations hereunder or to consummate the transactions contemplated hereby on a timely basis.

          (d) Consents and Approvals. Other than compliance with applicable securities laws and
Laws relating to competition (including any filing under the HSR Act), the execution and delivery
of this Agreement by the Stockholder does not, and the performance by the Stockholder of its
obligations under this Agreement and the consummation by it of the transactions contemplated hereby
will not, require the Stockholder to obtain any consent, approval, authorization or permit of, or
to make any filing with or notification to, any Governmental Entity, except where the failure to
obtain such consents, approvals, authorizations or permits, or to make such filings or
notifications, would not, either individually or in the aggregate, prevent or delay the performance
by the Stockholder of any of its obligations under this Agreement.

          (e) Absence of Litigation. As of the date hereof, there is no Action pending or, to
the knowledge of the Stockholder, threatened against the Stockholder or any of its Affiliates
before or by any Governmental Entity that would impair the ability of the Stockholder to perform
its obligations hereunder or to consummate the transactions contemplated hereby on a timely basis.

          (f) Finder’s Fees. Except as disclosed pursuant to the Merger Agreement, no
investment banker, broker, finder or other intermediary is entitled to a fee or commission from
Parent, US Corp., Merger Sub or the Company in respect of this Agreement based upon any arrangement
or agreement made by or at the direction of the Stockholder.

          (g) Reliance by Parent, US Corp. and Merger Sub. The Stockholder understands and
acknowledges that Parent, US Corp. and Merger Sub are entering into the Merger Agreement in
reliance upon the Stockholder’s execution and delivery of this Agreement and the representations
and warranties of the Stockholder contained herein.

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ARTICLE V

OTHER COVENANTS

     5.1. Prohibition on Transfers, Other Actions.

          (a) Except as permitted by Section 5.4(b), the Stockholder hereby agrees not to (i) Transfer
any of the Covered Shares, Beneficial Ownership thereof or any other interest specifically therein
(including by tendering into another tender or exchange offer), except to participate in the Offer
or the Merger; (ii) enter into any agreement, arrangement or understanding with any Person (other
than Parent, US Corp. or Merger Sub), or knowingly take any other action, that violates or
conflicts with the Stockholder’s representations, warranties, covenants and obligations under this
Agreement; or (iii) knowingly take any action that could restrict or otherwise affect the
Stockholder’s legal power, authority and right to comply with and perform its covenants and
obligations under this Agreement. Any Transfer in violation of this provision shall be void.

          (b) The Stockholder hereby covenants and agrees that for a period of one year following the
Operative Date (the “Lock-Up Period”), the Stockholder shall not Transfer, or consent to
any Transfer of, any shares of Parent Common Stock, or any interest therein, or enter into any
Contract, option or other arrangement (including any profit sharing or other derivative
arrangement) with respect to the Transfer of, any shares of Parent Common Stock or any interest
therein to any person; provided that the Stockholder may participate during the Lock-Up
Period with respect to its shares of Parent Common Stock in any merger, tender offer or other
business combination or other transaction, in each case, which the Board of Directors of Parent has
recommended to Parent’s stockholders. The Stockholder hereby agrees that, in order to ensure
compliance with the restrictions referred to herein, Parent may issue appropriate “stop transfer”
instructions to its transfer agent in respect of the Stockholder’s Parent Common Stock. Parent
agrees that it will cause any stop transfer instructions imposed pursuant to this Section 5.1(b) to
be lifted, and any legended certificates of Parent Common Stock delivered to the Stockholder
pursuant to the Merger Agreement to be replaced with certificates not bearing such legend, promptly
following the termination of the Lock-Up Period. The restrictions on transfer provided in this
Section 5.1(b) shall be in addition to any restrictions on transfer of the Parent Common Stock
imposed by any applicable Laws.

     5.2. Registration Rights Agreement. Concurrently with the execution of this
Agreement, Parent and the Stockholder are entering into a Registration Rights Agreement (the
“Registration Rights Agreement”).

     5.3. Stock Dividends, etc. In the event of a stock split, stock dividend or distribution, or any change in the Company
Stock by reason of any split-up, reverse stock split, recapitalization, combination,
reclassification, exchange of shares or the like, the terms “Existing Shares” and “Covered Shares”
shall be deemed to refer to and include such shares as well as all such stock dividends and
distributions and any securities into which or for which any or all of such shares may be changed
or exchanged or which are received in such transaction.

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     5.4. No Solicitation.

          (a) The Stockholder hereby agrees that during the term of this Agreement, except as permitted
by Section 5.4(b), it shall not, and shall use its reasonable best efforts to ensure that any of
its Affiliates or Representatives do not, directly or indirectly, (i) solicit, initiate, knowingly
encourage or facilitate (including by way of furnishing non-public information) the submission of
an Acquisition Proposal or any proposal, offer or inquiry that may reasonably be expected to lead
to an Acquisition Proposal, (ii) participate or enter into or engage in negotiations or discussions
with, or provide any non-public information or data to, any person (other than Parent or any of its
affiliates or representatives) relating to any Acquisition Proposal or any proposal, offer or
inquiry that may reasonably be expected to lead to an Acquisition Proposal, (iii) make or
participate in, directly or indirectly, a “solicitation” of “proxies” (as such terms are used in
the rules of the SEC) or powers of attorney or similar rights to vote, or seek to advise or
influence any Person with respect to the voting of, any shares of Company Stock in connection with
any vote or other action on any of the Section 3.1(a) Matters, other than to recommend that
stockholders of the Company vote in favor of the adoption of the Merger Agreement and as otherwise
expressly provided in this Agreement or to otherwise vote or consent with respect to Covered Shares
in a manner that would not violate Section 3.1, (iv) vote, approve, adopt or recommend, or publicly
propose to approve, adopt or recommend, any letter of intent, memorandum of understanding,
agreement, option agreement or other agreement relating to an Acquisition Proposal or any proposal,
offer or inquiry that may reasonably be expected to lead to an Acquisition Proposal, or (v) agree
to do any of the foregoing. The Stockholder hereby agrees immediately to cease and cause to be
terminated all existing solicitations, discussions or negotiations with any Person with respect to
any Acquisition Proposal or any offer, proposal or inquiry that may reasonably be expected to lead
to an Acquisition Proposal, and will inform its Affiliates and Representatives of the obligations
undertaken by the Stockholder pursuant to this Agreement, including this Section 5.4(a). If any of
the Stockholder’s Affiliates or Representatives takes any action that the Stockholder is not
permitted to take under this Section 5.4, it shall be deemed to be a breach of this Section 5.4 by
the Stockholder. Notwithstanding anything in this Agreement (including the immediately preceding
sentence) to the contrary, no action taken by the Company or any of its Affiliates or
Representatives in compliance with Section 6.2 of the Merger Agreement shall be a violation by the
Stockholder of this Section 5.4(a).

          (b) Notwithstanding anything contained in this Agreement to the contrary, in the event that
the Company Board of Directors exercises its rights under Section 6.2 of the Merger Agreement to
(i) furnish information concerning, and provide access to, the Company’s business, properties,
employees and assets to any Person or Persons (and their Representatives
acting in such capacity), and/or (ii) participate, engage or assist in discussions and
negotiations with any Person or Persons (and their Representatives acting in such capacity), in
each case, in compliance with Section 6.2 of the Merger Agreement, then (x) the Stockholder and its
Representatives likewise may furnish any such information to such Person or Persons, provide such
Person or Persons with any such access, and/or participate, engage or assist in any such
discussions and negotiations with such Person or Persons; provided that any action taken by
the Stockholder shall be taken only in coordination with the Company Board of Directors, and (y) in
connection with the Company’s termination of the Merger Agreement pursuant to Section 9.1(f)
thereof in order to enter into a transaction which is a Superior Proposal, the Stockholder shall be

9

 

entitled to enter into a voting or other support agreement with the Person making the Superior
Proposal, provided that the effectiveness of such agreement shall be conditioned on the
termination of the Merger Agreement in compliance with Section 6.2(c) thereof.

     5.5. Notice of Acquisitions; Proposals Regarding Prohibited Transactions. The Stockholder
hereby agrees to notify Parent in writing (a) as promptly as practicable (and in any event within
one business day following such acquisition by the Stockholder) of the number of any additional
shares of Company Stock or other securities of the Company of which the Stockholder acquires
Beneficial Ownership on or after the date hereof and (b) as promptly as practicable (and in any
event within the earlier of (i) one business day or (ii) 48 hours) after receipt by the Stockholder
of any Acquisition Proposal or any offer, proposal or inquiry that may reasonably be expected to
lead to an Acquisition Proposal or after any request for information is sought from or initiated
with the Stockholder, and shall disclose the material terms of such Acquisition Proposal, proposal,
offer or inquiry, including the identity of the Person or Persons making such Acquisition Proposal,
proposal, offer or inquiry (unless prohibited by the confidentiality agreement with such Person)
and provide a copy thereof if in writing and any related available material documentation or
correspondence. The Stockholder will keep Parent informed on a prompt basis of the status and any
material discussions or negotiations (including material amendments and proposed material
amendments) relating to any Acquisition Proposal or any such offer, proposal or inquiry.

     5.6. Stockholder Profit.

          (a) In the event that the Merger Agreement shall have been terminated under circumstances in
which a Termination Fee is payable or may be payable by the Company to Parent with respect to such
termination upon the occurrence of certain events specified in the Merger Agreement, but in each
case, subject to such Termination Fee actually becoming payable under the Merger Agreement, the
Stockholder shall pay to Parent an amount equal to 50% of the Stockholder’s profit (determined in
accordance with Section 5.6(b) below) from the sale or other Transfer of any Covered Shares
pursuant to an Acquisition Proposal (including a Superior Proposal) so long as the agreement with
respect to such Acquisition Proposal is entered into or such Acquisition Proposal is consummated
within 12 months of the termination of this Agreement. Payment shall be made promptly upon the
receipt by the Stockholder of the proceeds from such sale or other disposition and shall only be
required to be paid if such sale or other disposition is completed or, if later, when the
Termination Fee is paid.

          (b) For purposes of this Section 5.6, the profit of the Stockholder shall equal (A) the
aggregate consideration for or on account of the Covered Shares that were sold or otherwise
Transferred as described in Section 5.6(a) including extraordinary distributions directly or
indirectly made in connection with any Acquisition Proposal, valuing any non-cash consideration
(including any residual interest in the Company) at its fair market value on the date of such
consummation, less (B) the product of (x) $11.50 and (y) the number of Covered Shares so sold or
otherwise Transferred by the Stockholder.

          (c) For purposes of this Section 5.6, the fair market value of any non-cash consideration
consisting of:

10

 

          (i) securities listed on a national securities exchange or traded or quoted on the
Nasdaq (“Traded Securities”) shall be equal to the average closing price per share
of such security as reported on the composite trading system of such exchange or by Nasdaq
for the five trading days ending on the trading day immediately prior to the date of the
value determination (the “Valuation Period”); and

          (ii) consideration which is other than cash or Traded Securities shall be determined by
a nationally recognized independent investment banking firm mutually agreed upon by Parent
and the Stockholder within ten business days of the event requiring selection of such
banking firm; provided, however, that if the parties are unable to agree
within two business days after the date of such event as to the investment banking firm,
then the parties shall each select one firm, and those firms shall select a third investment
banking firm, which third firm shall make such determination; provided,
further, that the fees and expenses of such investment banking firm shall be borne
equally by Parent and the Stockholder. The determination of the investment-banking firm
shall be binding upon the parties.

          (d) Any payment of profit under this Section 5.6 shall be paid in the same proportion of cash
and non-cash consideration as the aggregate consideration received by the Stockholder in the
Acquisition Proposal or other disposition.

          (e) In the event that the Merger Agreement shall have been terminated under circumstances in
which a Termination Fee is payable or may be payable by the Company to Parent with respect to such
termination upon the occurrence of certain events specified in the Merger Agreement, then the
Stockholder shall not, until the 12-month anniversary of the termination of this Agreement,
Transfer any of the Covered Shares (i) to its limited partners or (ii) to any of its Affiliates
unless such Affiliate agrees in writing to be bound by the provisions of this Section 5.6.

          (f) Neither the Stockholder nor Parent shall, and each shall use its reasonable best efforts
to ensure that its respective Affiliates do not, engage in any Prohibited Activity with respect to
any subject Traded Securities during an applicable Valuation Period. “Prohibited Activity”
means any acquisition or disposition, in open market transactions, private transactions or
otherwise, during the Valuation Period of any of the subject Traded Securities or any securities
convertible into or exchangeable for or derivative of the subject Traded Securities or
any other action, in the case of any of the foregoing, taken intentionally for the purpose of
manipulating the price of the subject Traded Securities during the Valuation Period.

     5.7. Release. From and after the Effective Time, the Stockholder finally and forever
releases Parent and the Company, and their respective successors, assigns, officers, directors,
employees and all affiliates and Subsidiaries, past and present, of Parent and the Company (the
“Releasees”) from each and every agreement, commitment, indebtedness, obligation and claim
of every nature and kind whatsoever, known or unknown, suspected or unsuspected (each, a
“Claim” and collectively, the “Claims”) that (A) the Stockholder may have had in
the past, may have as of the date hereof or, to the extent arising from or in connection with any
act, omission or state of facts taken or existing on or prior to the date hereof, may have after
the date hereof against any of the Releasees and (B) has arisen or arises directly out of the
Stockholder’s interest

11

 

as a stockholder of the Company or any of its Subsidiaries; except with
respect to any such Claims arising under this Agreement, the Merger Agreement, the Registration
Rights Agreement and the transactions contemplated hereby and thereby, and any Claim by the
Stockholder for failure by the Company to pay all accrued and unpaid dividends on the Company
Convertible Preferred Stock prior to the Operative Date.

     5.8. Waiver of Appraisal Rights. The Stockholder agrees not to exercise any rights of
appraisal or any dissenters’ rights that the Stockholder may have (whether under applicable Law or
otherwise) or could potentially have or acquire in connection with the Merger.

     5.9. Further Assurances. From time to time, at Parent’s request and without further
consideration, the Stockholder shall execute and deliver such additional documents and take all
such further action as may be reasonably necessary to effect the actions and consummate the
transactions contemplated by this Agreement.

     5.10. Disclosure. Neither Parent, the Company nor the Stockholder will issue any
press release or make any other public statement, and shall not authorize or permit any of its
Subsidiaries or Affiliates or any of its or their Representatives to issue any press release or
make any other public statement with respect to the Merger Agreement, this Agreement, the
Registration Rights Agreement or any of the transactions contemplated by the Merger Agreement, this
Agreement or the Registration Rights Agreement without the prior written consent of the other
parties hereto (such consent not to be unreasonably withheld, conditioned or delayed), except as
may be required by Law or by any listing requirement with the Nasdaq or the Toronto Stock Exchange,
including any filings required under the Securities Act or the Exchange Act.

     5.11. Meeting Rights. During the Lock-Up Period, the Stockholder shall be entitled to
meet one time in each calendar quarter with the Chief Executive Officer and the Chief Financial
Officer of Parent (the “Meeting Right”). The Stockholder may exercise the Meeting Right by
providing written notice to Parent at least ten business days in advance of any such meeting. The
time, place and method of each meeting shall be as reasonably agreed by the parties. The
Other Stockholder shall be entitled to attend any such meeting.

     5.12. Rule 144. Parent agrees to use its reasonable best efforts to file all reports
required to be filed by it under the Exchange Act to the extent required to enable the Stockholder,
after the expiration of the Lock-Up Period, to sell the Parent Common Stock pursuant to and in
accordance with Rule 144.

     5.13. Affiliate Agreements. The Stockholder shall take all actions necessary to cause
(a) the Registration Rights Agreement, dated as of March 19, 2004, by and among the Company, the
Stockholder, the Other Stockholder, and such other persons who became signatories thereto as
provided therein and (b) the Management Rights Letter, dated as of March 19, 2004, by and between
the Stockholder and the Company to be terminated (without any payment), effective as of and
contingent upon the earlier to occur of the Acceptance Date and the Effective Time, such that such
agreements shall be of no further force or effect immediately thereafter. The Stockholder has
approved the Certificate of Amendment. The Stockholder hereby waives its right of first offer
under the Amended and Restated Preferred Stock Purchase Agreement, dated

12

 

as of November 26, 2003,
by and between the Company and the Stockholder, in connection with the Merger Agreement and the
transactions contemplated thereby.

ARTICLE VI

MISCELLANEOUS

     6.1. Termination. This Agreement shall remain in effect until the earliest to occur of
(i) the termination of the Merger Agreement in accordance with its terms, and (ii) the delivery of
written notice of termination by the Stockholder to Parent following any Fundamental Amendment
effected without the prior written consent of the Stockholder, and upon the occurrence of the
earliest of such events this Agreement shall terminate and be of no further force;
provided, however, that the provisions of Section 5.6, this Section 6.1, the last
sentence of Section 6.2(a) and Sections 6.4 through 6.13 shall survive any termination of this
Agreement. Nothing in this Section 6.1 and no termination of this Agreement shall relieve or
otherwise limit any party of liability for willful breach of this Agreement. “Fundamental
Amendment” means the execution by the Company, Parent, US Corp. and Merger Sub of an amendment
to, or waiver by the Company, Parent, US Corp. or Merger Sub of any provision of, the Offer or the
Merger Agreement that reduces the amount of the Offer Price or the Merger Consideration, changes
the form of the Offer Price or the Merger Consideration to include or substitute therefor a form
other than cash and Parent Common Stock, or decreases the ratio of cash to Parent Common Stock
included in the Offer Price or the Merger Consideration. If the Stockholder does not exercise the
termination right described above within five business days following the date the Stockholder is
notified that such Fundamental Amendment is effected, then this Agreement shall give effect to any
modified terms incorporated from the Merger Agreement and, except as so modified, shall continue in
full force and effect.

     6.2. Legends; Stop Transfer Order.

          (a) In furtherance of this Agreement, the Stockholder hereby authorizes and instructs the
Company to instruct its transfer agent to enter a stop transfer order with respect to all of the
Covered Shares held of record by the Stockholder and to legend the share certificates. The Company
agrees that as promptly as practicable after the date of this Agreement it shall give such stop
transfer instructions to the transfer agent for the Company Stock and to legend the share
certificates. The Company agrees that, (i) if this Agreement is terminated in accordance with
Section 6.1, then, promptly following the termination of this Agreement, (ii) if Merger Sub accepts
the Covered Shares for payment pursuant to the terms of the Offer, then, concurrently with such
acceptance (and in any event within such time as would not delay receipt by the Stockholder of the
Offer Price), or (iii) if the transactions contemplated by the Merger Agreement are effected as a
One Step Merger, then, immediately following the Closing (and in any event within such time as
would not delay receipt by the Stockholder of the Merger Consideration), the Company will cause any
stop transfer instructions imposed pursuant to this Section 6.2 to be lifted and any legended
certificates delivered pursuant to this Section 6.2 to be replaced with certificates not bearing
such legend.

          (b) Each certificate representing Covered Shares held of record by the Stockholder shall bear
the following legend on the face thereof:

13

 

          “THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO RESTRICTIONS ON VOTING,
TRANSFER AND CERTAIN OTHER LIMITATIONS SET FORTH IN THAT CERTAIN STOCKHOLDER AGREEMENT DATED AS OF
FEBRUARY 25, 2008, AMONG SXC HEALTH SOLUTIONS CORP., NEW MOUNTAIN PARTNERS, L.P. AND NATIONAL
MEDICAL HEALTH CARD SYSTEMS, INC., AS THE SAME MAY BE AMENDED FROM TIME TO TIME, COPIES OF WHICH
STOCKHOLDER AGREEMENT ARE ON FILE AT THE PRINCIPAL OFFICE OF NATIONAL MEDICAL HEALTH CARD SYSTEMS,
INC.”

          The Stockholder will cause all of its Existing Shares held of record by the Stockholder and
any securities that become Covered Shares held of record by the Stockholder after the date hereof
to be delivered to the Company for the purpose of applying such legend (if not so endorsed upon
issuance). The Company shall return to the delivering party, as promptly as possible, any
securities so delivered. The delivery of such securities by the delivering party shall not in any
way affect such party’s rights with respect to such securities.

     6.3. No Ownership Interest. Nothing contained in this Agreement shall be deemed to vest in
Parent any direct or indirect ownership or incidence of ownership of or with respect to any Covered
Shares, except as otherwise provided herein. All rights, ownership and economic benefits of and
relating to the Covered Shares shall remain vested in and belong to the Stockholder, and Parent
shall have no
authority to direct the Stockholder in the voting or disposition of any of the Covered Shares,
except as otherwise provided herein.

     6.4. Notices.

          (a) All notices and other communications hereunder shall be in writing and shall be deemed
given if delivered personally, by facsimile (upon telephonic confirmation of receipt), on the first
business day following the date of dispatch if delivered by a recognized next day courier service
or on the third business day following the date of mailing if delivered by registered or certified
mail, return receipt requested, post prepaid. All notices hereunder shall be delivered as set
forth below, or pursuant to such other instructions as may be designated in writing in accordance
with this Section 6.4 by the party to receive such notice.

	 	(i)	 	if to Parent, to:

SXC Health Solutions Corp.

2441 Warrenville Road, Suite 610

Lisle, IL 60532-3246

Fax: (630) 328-2190

Attention: Chief Financial Officer

	 	 	 	with a copy to:

Sidley Austin LLP

1 South Dearborn Street

Chicago, IL 60603

Fax: (312) 853-7036

14

 

Attention: Gary D. Gerstman

          
      
Scott R. Williams

	 	(ii)	 	if to the Company, to:

National Medical Health Card Systems, Inc.

26 Harbor Park Drive

Port Washington, NY 11050

Fax: (516) 605-6989

Attention: George McGinn, Esq.

	 	 	 	with a copy to:

Bass, Berry & Sims PLC

315 Deaderick Street, Suite 2700

Nashville, TN 37238

Fax: (615) 742-6293

Attention: J. Allen Overby, Esq.

          
      Jennifer H. Noonan, Esq.

	 	(iii)	 	if to the Stockholder, to:

New Mountain Partners, L.P.

787 Seventh Avenue, 49th Floor

New York, NY 10019

Fax: (212) 582-2277

Attention: Mr. Michael B. Ajouz

	 	 	 	with a copy to:

Fried, Frank, Harris, Shriver & Jacobson LLP

One New York Plaza

New York, NY 10004

Fax: (212) 859-4000

Attention: Aviva F. Diamant, Esq.

          (b) A copy of all notices and other communications from Parent or Merger Sub to the Company
(and vice versa) under the Merger Agreement shall be sent at the same time to the Stockholder at
the above address, with a copy to its counsel at the above address, and the provisions of this
Section 6.4 shall apply to such notices and communications; provided that no failure to
provide such notice to the Stockholder shall relieve the Stockholder of its obligations under this
Agreement.

     6.5. Interpretation. The words “hereof,” “herein” and “hereunder” and words of similar
import when used in this Agreement shall refer to this Agreement as a whole and not to any
particular provision of this Agreement, and Section references are to this Agreement unless
otherwise specified. Whenever the words “include,” “includes” or “including” are used in this

15

 

Agreement, they shall be deemed to be followed by the words “without limitation.” The meanings
given to terms defined herein shall be equally applicable to both the singular and plural forms of
such terms. The table of contents and headings contained in this Agreement are for reference
purposes only and shall not affect in any way the meaning or interpretation of this Agreement. This
Agreement is the product of negotiation by the parties having the assistance of counsel and other
advisers. It is the intention of the parties that this Agreement not be construed more strictly
with regard to one party than with regard to the others.

     6.6. Counterparts. This Agreement may be executed by facsimile and in counterparts, all of
which shall be considered one and the same agreement and shall become effective when counterparts
have been signed by each of the parties and delivered to the other parties, it being understood
that all parties need not sign the same counterpart.

     6.7. Entire Agreement. This Agreement, the Registration Rights Agreement and, to the extent referenced herein, the
Merger Agreement, together with the several agreements and other documents and instruments referred
to herein or therein or annexed hereto or thereto, embody the complete agreement and understanding
among the parties hereto with respect to the subject matter hereof and supersede and preempt any
prior understandings, agreements or representations by or among the parties, written and oral, that
may have related to the subject matter hereof in any way.

     6.8. Governing Law; Consent to Jurisdiction; Waiver of Jury Trial. (a) This
Agreement, and all claims or causes of action (whether at law, in contract or in tort) that may be
based upon, arise out of or relate to this Agreement or the negotiation, execution or performance
hereof, shall be governed by and construed in accordance with the Laws of the State of Delaware,
without giving effect to any choice or conflict of Law provision or rule (whether of the State of
Delaware or any other jurisdiction) that would cause the application of the Laws of any
jurisdiction other than the State of Delaware. The parties agree that irreparable damage would
occur and that the parties would not have any adequate remedy at law in the event that any of the
provisions of this Agreement were not performed in accordance with their specific terms or were
otherwise breached. It is accordingly agreed that the parties shall be entitled to an injunction
or injunctions to prevent breaches of this Agreement and to enforce specifically the terms and
provisions of this Agreement in the Court of Chancery of the State of Delaware (and any appellate
court of the State of Delaware) and the Federal courts of the United States of America located in
the State of Delaware, this being in addition to any other remedy to which they are entitled at law
or in equity. Each of the parties hereby irrevocably waives, and agrees not to assert, by way of
motion, as a defense, counterclaim or otherwise, in any Action with respect to this Agreement, (a)
any claim that it is not personally subject to the jurisdiction of the above-named courts for any
reason other than the failure to lawfully serve process, (b) that it or its property is exempt or
immune from jurisdiction of any such court or from any legal process commenced in such courts
(whether through service of notice, attachment prior to judgment, attachment in aid of execution of
judgment, execution of judgment or otherwise), and (c) to the fullest extent permitted by
applicable Law, that (i) the Action in any such court is brought in an inconvenient forum, (ii) the
venue of such Action is improper or (iii) this Agreement, or the subject matter hereof, may not be
enforced in or by such courts.

16

 

          (b) Each party hereto hereby waives, to the fullest extent permitted by applicable law, any
right it may have to a trial by jury in respect of any Action arising out of or relating to this
Agreement. Each party hereto (i) certifies that no representative, agent or attorney of any other
party has represented, expressly or otherwise, that such party would not, in the event of any
Action, seek to enforce the foregoing waiver and (ii) acknowledges that it and the other parties
hereto have been induced to enter into this Agreement, by, among other things, the mutual waiver
and certifications in this Section 6.8.

     6.9. Amendment; Waiver; Expenses.

          (a) This Agreement may not be amended except by an instrument in writing signed by each of the
parties hereto. Each party may waive any right of such party hereunder by
an instrument in writing signed by such party and delivered to Parent, the Company and the
Stockholder.

          (b) The Stockholder agrees that it is solely responsible (without reimbursement from the
Company) for all costs and expenses (including all fees and expenses of counsel) incurred by the
Stockholder in connection with this Agreement and the Registration Rights Agreement.

     6.10. Remedies. All rights, powers and remedies provided under this Agreement or otherwise
available in respect hereof at law or in equity shall be cumulative and not alternative, and the
exercise or beginning of the exercise of any thereof by any party shall not preclude the
simultaneous or later exercise of any other such right, power or remedy by such party.

     6.11. Severability. Any term or provision of this Agreement which is determined by a court
of competent jurisdiction to be invalid or unenforceable in any jurisdiction shall, as to that
jurisdiction, be ineffective to the extent of such invalidity or unenforceability without rendering
invalid or unenforceable the remaining terms and provisions of this Agreement or affecting the
validity or enforceability of any of the terms or provisions of this Agreement in any other
jurisdiction, and if any provision of this Agreement is determined to be so broad as to be
unenforceable, the provision shall be interpreted to be only so broad as is enforceable, in all
cases so long as neither the economic nor legal substance of the transactions contemplated hereby
is affected in any manner adverse to any party or its stockholders or partners, as applicable.
Upon any such determination, the parties shall negotiate in good faith in an effort to agree upon a
suitable and equitable substitute provision to effect the original intent of the parties as closely
as possible and to the end that the transactions contemplated hereby shall be fulfilled to the
maximum extent possible.

     6.12. Successors and Assigns; Third Party Beneficiaries. Neither this Agreement nor any of
the rights or obligations of any party under this Agreement shall be assigned, in whole or in part
(by operation of law or otherwise), by any party without the prior written consent of the other
parties hereto. Subject to the foregoing, this Agreement shall bind and inure to the benefit of
and be enforceable by the parties hereto and their respective successors and permitted assigns.
Nothing in this Agreement, express or implied, is intended to confer on any Person other than the
parties hereto or their respective successors and permitted assigns any rights, remedies,
obligations or liabilities under or by reason of this Agreement.

17

 

     6.13. Stockholder Capacity. The restrictions and covenants of the Stockholder hereunder
shall not be binding, and shall have no effect, in any way with respect to any director or officer
of the Company or any of its Subsidiaries in such Person’s capacity as such a director or officer,
nor shall any action taken by any such director or officer in his or her capacity as such be deemed
a breach by the Stockholder of this Agreement.

[Remainder of this page intentionally left blank]

18

 

     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be signed (where
applicable, by their respective officers or other authorized Person thereunto duly authorized) as
of the date first written above.

	 	 	 	 	 	 	 
	 	 	SXC HEALTH SOLUTIONS CORP.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ Jeffrey Park
 

	 	 
	 

	 	Name:
	 	Jeffrey Park	 	 
	 

	 	Title:
	 	Chief Financial Officer	 	 
	 
	 	 	 	 	 	 
	 	 	NEW MOUNTAIN PARTNERS, L.P.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	New Mountain Investments, L.P.,	 	 
	 

	 	 	 	its general partner	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	New Mountain GP, LLC,	 	 
	 

	 	 	 	its general partner	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ Steven B. Klinsky	 	 
	 

	 	 	 	 	 	 
	 

	 	Name:
	 	Steven B. Klinsky	 	 
	 

	 	Title:
	 	Chief Executive Officer	 	 
	 
	 	 	 	 	 	 
	 	 	NATIONAL MEDICAL HEALTH CARD SYSTEMS, INC.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ George McGinn	 	 
	 

	 	 	 	 	 	 
	 

	 	Name:
	 	George McGinn	 	 
	 

	 	Title:
	 	General Counsel and Secretary	 	 

 

 

ANNEX A

IRREVOCABLE PROXY

Dated as of February 25, 2008

     The undersigned Stockholder (the “Stockholder”) of National Medical Health Card
Systems, Inc., a Delaware corporation (the “Company”), hereby irrevocably (to the fullest
extent permitted by law) appoints Gordon Glenn and Jeffrey Park, as the sole and exclusive
attorneys and proxies of the undersigned, with full power of substitution and resubstitution, to
vote and exercise all voting and related rights (to the full extent that the undersigned is
entitled to do so) with respect to all of the shares of capital stock of the Company that now are
or hereafter may be beneficially owned by the undersigned, and any and all other shares or
securities of the Company issued or issuable in respect thereof on or after the date hereof
(collectively, the “Covered Shares”), in accordance with the terms of this Proxy. The
Covered Shares beneficially owned by the Stockholder as of the date of this Proxy are listed on the
signature page of this Proxy, along with the number(s) of the stock certificate(s) representing
such Covered Shares. Upon the Stockholder’s execution of this Proxy, any and all prior proxies
given by the undersigned with respect to any Covered Shares are hereby revoked and terminated, and
the Stockholder agrees not to grant any subsequent proxies with respect to the Covered Shares, with
respect to any of the matters referred to in any of clauses (a) through (c) below until after the
Expiration Time (as defined below).

     This Proxy is irrevocable (to the fullest extent permitted by law), is coupled with an
interest and is granted pursuant to that certain Stockholder Agreement of even date herewith (the
“Stockholder Agreement”) by and among SXC Health Solutions Corp., a corporation organized
under the laws of Yukon Territory, Canada (“Parent”), the Company and the undersigned
Stockholder of the Company, and is granted in consideration of Parent entering into that certain
Agreement and Plan of Merger of even date herewith (as it may hereafter be amended from time to
time in accordance with the provisions thereof, the “Merger Agreement”) by and among
Parent, SXC Health Solutions, Inc., a Texas corporation (“US Corp.”), Comet Merger
Corporation, a newly-formed Delaware corporation that is wholly-owned by US Corp. and an indirect
wholly-owned subsidiary of Parent (“Merger Sub”), and the Company. The Merger Agreement
provides that Merger Sub will commence an exchange offer (the “Offer”) to acquire all of
the outstanding shares of common stock, par value $0.001 per share, of the Company (“Company
Common Stock”), and following the consummation of the Offer (or, subject to certain conditions,
in lieu thereof), Merger Sub will merge with and into the Company (the “Merger”) and the
Stockholder will be entitled to receive the merger consideration specified therein. The term
“Expiration Time”, as used in this Proxy, shall mean the earliest to occur of (i) the
Operative Date, (ii) the termination of the Merger Agreement in accordance with its terms, and
(iii) the termination of the Stockholder Agreement in accordance with its terms.

     The attorneys and proxies named above, and each of them, are hereby authorized and empowered
by the Stockholder, at any time prior to the Expiration Time, to act as the Stockholder’s attorney
and proxy to vote all of the Covered Shares (or, if applicable, only such portion of the Covered
Shares as is provided in Section 3.1(b) of the Stockholder Agreement), and to exercise all voting,
consent and similar rights of the undersigned with respect to all of the

 

 

Covered Shares (or, if applicable, only such portion of the Covered Shares as is provided in
Section 3.1(b) of the Stockholder Agreement) (including, without limitation, the power to execute
and deliver written consents) at every annual or special meeting of stockholders of the Company
(and at every adjournment or postponement thereof), and in every written consent in lieu of such
meeting:

     (a) in favor of the adoption of the Merger Agreement and any related proposal in furtherance
thereof, as reasonably requested by Parent, submitted for the vote or written consent of
stockholders;

     (b) against any action or agreement submitted for the vote or written consent of stockholders
that the Stockholder knows is in opposition to, or competitive or materially inconsistent with, the
Offer or the Merger or that the Stockholder knows would result in a breach of any covenant,
representation or warranty or any other obligation or agreement of the Company contained in the
Merger Agreement, or of the Stockholder contained in the Stockholder Agreement; and

     (c) against any Acquisition Proposal (as defined in the Merger Agreement) and against any
other action, agreement or transaction submitted for the vote or written consent of stockholders
that the Stockholder knows would impede, interfere with, delay, postpone, discourage, frustrate the
purposes of or adversely affect the Offer or the Merger or the other transactions contemplated by
the Merger Agreement or the Stockholder Agreement or the performance by the Company of its
obligations under the Merger Agreement or by the Stockholder of its obligations under the
Stockholder Agreement, including, but not limited to: (A) any extraordinary corporate transaction,
such as a merger, consolidation or other business combination involving the Company or any
subsidiary of the Company; (B) any sale, lease or transfer of a material amount of assets of the
Company (including capital stock or other equity interests in its Subsidiaries) or any subsidiary
of the Company; (C) any reorganization, recapitalization, dissolution or liquidation of the Company
or any subsidiary of the Company; (D) any change in a majority of the board of directors of the
Company; (E) any amendment to the Company’s certificate of incorporation or bylaws (except for any
amendment to increase the authorized capital stock); and (F) any change in the capitalization of
the Company or the Company’s corporate structure.

     Any term or provision of this Proxy that is invalid or unenforceable in any situation in any
jurisdiction shall not affect the validity or enforceability of the remaining terms and provisions
hereof or the validity or enforceability of the offending term or provision in any other situation
or in any other jurisdiction. If the final judgment of a court of competent jurisdiction declares
that any term or provision hereof is invalid or unenforceable, the Stockholder agrees that the
court making such determination shall have the power to limit the term or provision, to delete
specific words or phrases, or to replace any invalid or unenforceable term or provision with a term
or provision that is valid and enforceable and that comes closest to expressing the intention of
the invalid or unenforceable term or provision, and this Proxy shall be enforceable as so modified.
In the event such court does not exercise the power granted to it in the prior sentence, the
Stockholder agrees to replace such invalid or unenforceable term or provision with

 

 

a valid and enforceable term or provision that will achieve, to the extent possible, the economic,
business and other purposes of such invalid or unenforceable term.

     The restrictions and covenants of the Stockholder hereunder shall not be binding, and shall
have no effect, in any way with respect to any director or officer of the Company or any of its
Subsidiaries in such Person’s capacity as such a director or officer, nor shall any action taken by
any such director or officer in his or her capacity as such be deemed a breach by the Stockholder
of this Proxy.

     Any obligation of the Stockholder hereunder shall be binding upon the successors and assigns
of the Stockholder.

     This Proxy shall terminate, and be of no further force and effect, automatically upon the
Expiration Time.

[signature page follows]

 

 

COUNTERPART SIGNATURE PAGE

     IN WITNESS WHEREOF, the Stockholder has caused this Irrevocable Proxy to be duly executed as
of the day and year first above written.

	 	 	 	 	 	 	 
	 	 	NEW MOUNTAIN PARTNERS, L.P.
	 
	 	 	 	 	 	 
	 

	 	By:
	 	New Mountain Investments, L.P.,	 	 
	 

	 	 	 	its general partner	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	New Mountain GP, LLC,	 	 
	 

	 	 	 	its general partner	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ Steven B. Klinsky
 

	 	 
	 

	 	Name:
	 	Steven B. Klinsky
	 	 
	 

	 	Title:
	 	Chief Executive Officer	 	 

NUMBER OF OUTSTANDING SHARES OF COMPANY STOCK BENEFICIALLY OWNED BY THE
STOCKHOLDER:

	 	 	 
	SERIES A 7% CONVERTIBLE PREFERRED STOCK

	 	 6,790,797
	 
	 	 
	COMMON STOCK

	 	 6,790,797 (upon conversion)

Stockholder Address:

New Mountain Partners, L.P.

787 Seventh Avenue, 49th Floor

New York, NY 10019

Attention: Mr. Michael B. Ajouz

Fax: (212) 582-2277

with a copy to:

Fried, Frank, Harris, Shriver & Jacobson LLP

One New York Plaza

New York, NY 10004

Attention: Aviva F. Diamant, Esq.

Fax: (212) 859-4000exv10w2

 

Exhibt 10.2

STOCKHOLDER AGREEMENT

BY AND AMONG

SXC HEALTH SOLUTIONS CORP.,

NEW MOUNTAIN AFFILIATED INVESTORS, L.P.,

AND

NATIONAL MEDICAL HEALTH CARD SYSTEMS, INC.

DATED AS OF FEBRUARY 25, 2008

 

 

INDEX OF DEFINED TERMS

	 	 	 	 	 
	 	 	Page	 
	Agreement
	 	 	1	 
	Beneficial Ownership
	 	 	2	 
	Beneficially Own
	 	 	2	 
	Beneficially Owned
	 	 	2	 
	Claims
	 	 	11	 
	Company
	 	 	1	 
	Company Common Stock
	 	 	1	 
	Company Convertible Preferred Stock
	 	 	1	 
	Company Stock
	 	 	1	 
	Covered Shares
	 	 	2	 
	Depositary
	 	 	3	 
	Encumbrance
	 	 	2	 
	Existing Shares
	 	 	2	 
	Fundamental Amendment
	 	 	12	 
	Grantees
	 	 	5	 
	Lock-Up Period
	 	 	8	 
	Merger
	 	 	1	 
	Merger Agreement
	 	 	1	 
	Merger Sub
	 	 	1	 
	Offer
	 	 	1	 
	Operative Date
	 	 	2	 
	Other Stockholder
	 	 	2	 
	Parent
	 	 	1	 
	Prohibited Activity
	 	 	11	 
	Registration Rights Agreement
	 	 	8	 
	Releasees
	 	 	11	 
	Section 3.1(a) Matters
	 	 	5	 
	Stockholder
	 	 	1	 
	Tender Documents
	 	 	3	 
	Traded Securities
	 	 	10	 
	Transfer
	 	 	2	 
	US Corp.
	 	 	1	 
	Valuation Period
	 	 	10	 

ii 

 

STOCKHOLDER AGREEMENT

          STOCKHOLDER AGREEMENT, dated as of February 25, 2008 (this “Agreement”), by and among
SXC Health Solutions Corp., a corporation organized under the laws of Yukon Territory, Canada
(“Parent”), New Mountain Affiliated Investors, L.P., a Delaware limited partnership (the
“Stockholder”), and National Medical Health Card Systems, Inc., a Delaware corporation (the
“Company”).

WITNESSETH:

          WHEREAS, concurrently with the execution of this Agreement, Parent, SXC Health Solutions,
Inc., a Texas corporation (“US Corp.”), Comet Merger Corporation, a newly-formed Delaware
corporation that is wholly-owned by US Corp. and an indirect wholly-owned subsidiary of Parent
(“Merger Sub”), and the Company are entering into an Agreement and Plan of Merger, dated as
of the date hereof (as amended, supplemented, restated or otherwise modified from time to time, the
“Merger Agreement”) pursuant to which, among other things, Merger Sub will commence an
exchange offer (the “Offer”) to acquire all of the outstanding shares of common stock, par
value $0.001 per share, of the Company (“Company Common Stock”), and following the
consummation of the Offer (or, subject to certain conditions, in lieu thereof), Merger Sub will
merge with and into the Company (the “Merger”) and each outstanding share of Company Common
Stock and each outstanding share, if any, of the Company’s Series A 7% Convertible Preferred Stock,
par value $0.10 per share (“Company Convertible Preferred Stock”, and together with the
Company Common Stock, “Company Stock”), will be converted into the right to receive the
merger consideration specified therein.

          WHEREAS, as of the date hereof, the Stockholder is the record and beneficial owner, in the
aggregate, of 165,725 outstanding shares of the Company Convertible Preferred Stock;

          WHEREAS, as a material inducement to Parent entering into the Merger Agreement, Parent has
required that the Stockholder agree, and the Stockholder has agreed, to enter into this agreement
and abide by the covenants and obligations with respect to the Covered Shares (as hereinafter
defined) set forth herein.

          NOW THEREFORE, in consideration of the foregoing and the mutual representations, warranties,
covenants and agreements herein contained, and intending to be legally bound hereby, the parties
hereto agree as follows:

ARTICLE I

GENERAL

     1.1. Defined Terms. The following capitalized terms, as used in this Agreement, shall have the meanings set forth
below. Capitalized terms used but not otherwise defined herein shall have the meanings ascribed
thereto in the Merger Agreement.

1

 

          “Beneficial Ownership” by a Person of any securities includes ownership by any Person
who, directly or indirectly, through any contract, arrangement, understanding, relationship or
otherwise, has or shares (i) voting power which includes the power to vote, or to direct the voting
of, such security; and/or (ii) investment power which includes the power to dispose, or to direct
the disposition, of such security; and shall otherwise be interpreted in accordance with the term
“beneficial ownership” as defined in Rule 13d-3 adopted by the Securities and Exchange Commission
under the Securities Exchange Act of 1934, as amended; provided that for purposes of
determining Beneficial Ownership, a Person shall be deemed to be the Beneficial Owner of any
securities which such Person has, at any time during the term of this Agreement, the right to
acquire pursuant to any agreement, arrangement or understanding or upon the exercise of conversion
rights, exchange rights, warrants or options, or otherwise (irrespective of whether the right to
acquire such securities is exercisable immediately or only after the passage of time, including the
passage of time in excess of 60 days, the satisfaction of any conditions, the occurrence of any
event or any combination of the foregoing). The terms “Beneficially Own” and
“Beneficially Owned” shall have a correlative meaning.

          “Covered Shares” means, with respect to the Stockholder, the Stockholder’s Existing
Shares, together with any shares of Company Stock or other voting capital stock of the Company and
any securities convertible into or exercisable or exchangeable for shares of Company Stock or other
voting capital stock of the Company, in each case, that the Stockholder acquires Beneficial
Ownership of on or after the date hereof.

          “Encumbrance” means any security interest, pledge, mortgage, lien (statutory or
other), charge, option to purchase, lease or other right to acquire any interest or any claim,
restriction, covenant, title defect, hypothecation, assignment, deposit arrangement or other
encumbrance of any kind or any preference, priority or other security agreement or preferential
arrangement of any kind or nature whatsoever (including any conditional sale or other title
retention agreement), excluding restrictions under securities laws and excluding any Encumbrance
set forth in the Certificate of Designations.

          “Existing Shares” means, with respect to the Stockholder, the number of shares of
Company Stock Beneficially Owned and owned of record by the Stockholder, as set forth in the
recitals.

          “Operative Date” means the Acceptance Date, if the transactions contemplated by the
Merger Agreement are effected by means of the Offer followed by the Second Step Merger, and means
the Closing, if the transactions contemplated by the Merger Agreement are effected as a One Step
Merger.

          “Other Stockholder” means New Mountain Partners, L.P., a Delaware limited partnership
and the holder of the outstanding shares of Company Convertible Preferred Stock not held by the
Stockholder.

          “Transfer” means, directly or indirectly, to sell, transfer, assign, pledge, encumber,
hypothecate or similarly dispose of (by merger (including by conversion into securities or other
consideration), by tendering into any tender or exchange offer, by operation of law or otherwise),
either voluntarily or involuntarily, or to enter into any contract, option or other

2

 

arrangement or
understanding with respect to the voting of or sale, transfer, assignment, pledge, encumbrance,
hypothecation or similar disposition of (by merger, by tendering into any tender or exchange offer,
by operation of law or otherwise) (but does not include any conversion of the Company Convertible
Preferred Stock into Company Common Stock after the Certificate of Amendment has become effective).

ARTICLE II

TENDERING

     2.1.  Agreement to Tender.

          (a) The Stockholder hereby agrees that, within five business days after commencement of the
Offer, the Stockholder shall validly tender or cause to be tendered in the Offer all of the shares
of Company Stock represented by the Stockholder’s Covered Shares pursuant to and in accordance with
the terms of the Offer, by delivering to the depositary designated in the Offer (the
“Depositary”) (i) an executed letter of transmittal with respect to the Covered Shares,
(ii) a certificate or certificates representing the Covered Shares, (iii) all other documents or
instruments required to be delivered pursuant to the terms of the Offer, and (iv) a letter of
instruction signed by the Stockholder instructing the Company to convert the Covered Shares into
Company Common Stock effective upon receipt of a certificate from an executive officer of Parent
stating that (1) all of the conditions to the Offer (other than the Minimum Condition) have been
satisfied or waived, (2) upon the conversion by the Stockholder of its Covered Shares into Company
Common Stock and the conversion by the Other Stockholder of the shares of Company Stock owned by it
into Company Common Stock, the Minimum Condition will have been satisfied, and (3) Merger Sub
stands ready to, and will, immediately following such conversion by the Stockholder and the Other
Stockholder, accept for payment all shares of Company Common Stock validly tendered in the Offer
and not theretofore withdrawn (all of the foregoing documents, the “Tender Documents”).

          (b) The Stockholder hereby agrees that once the Tender Documents shall have been delivered to
the Depositary, the Stockholder will not withdraw, nor permit the withdrawal of, any Tender
Documents from the Offer, unless and until (i) the Offer shall have been terminated by Merger Sub
in accordance with the terms of the Merger Agreement, or (ii) this Agreement shall have been
terminated in accordance with Section 6.1.

          (c) Notwithstanding the provisions of Sections 2.1(a) and 2.1(b), in the event of a Change in
Recommendation made in compliance with the Merger Agreement, the obligation of the Stockholder to
tender and not withdraw its Covered Shares in the manner set forth in this Section 2.1 shall
terminate automatically without any further action by any party, and the Stockholder may or may not
tender all or any portion of its Covered Shares in the Offer, and may withdraw from the Offer all
or any portion of its Covered Shares that it may previously have tendered, as the Stockholder, in
its sole discretion, determines.

3

 

ARTICLE III

VOTING

     3.1. Agreement to Vote.

          (a) The Stockholder hereby irrevocably and unconditionally agrees that during the period
beginning on the date hereof and ending on the earliest of (x) the Operative Date, (y) the
termination of the Merger Agreement in accordance with its terms or (z) the termination of this
Agreement in accordance with its terms, at the Company Stockholders Meeting and at any other
meeting of the stockholders of the Company, however called, including any adjournment or
postponement thereof, and in connection with any written consent of the stockholders of the
Company, the Stockholder shall, in each case, to the fullest extent that such matters are submitted
for the vote or written consent of the Stockholder and that the Covered Shares are entitled to vote
thereon or consent thereto:

          (i) appear at each such meeting or otherwise cause the Covered Shares as to which the
Stockholder controls the right to vote to be counted as present thereat for purposes of
calculating a quorum; and

          (ii) vote (or cause to be voted), in person or by proxy, or deliver (or cause to be
delivered) a written consent covering, all of the Covered Shares as to which the Stockholder
controls the right to vote (i) in favor of the adoption of the Merger Agreement and any
related proposal in furtherance thereof, as reasonably requested by Parent, submitted for
the vote or written consent of stockholders; (ii) against any action or agreement submitted
for the vote or written consent of stockholders that the Stockholder knows is in opposition
to, or competitive or materially inconsistent with, the Offer or the Merger or that the
Stockholder knows would result in a breach of any covenant, representation or warranty or
any other obligation or agreement of the Company contained in the Merger Agreement, or of
the Stockholder contained in this Agreement; and (iii) against any Acquisition Proposal and
against any other action, agreement or transaction submitted for the vote or written consent
of stockholders that the Stockholder knows would impede, interfere with, delay, postpone,
discourage, frustrate the purposes of or adversely affect the Offer, the Merger or the other
transactions contemplated by the Merger Agreement or this Agreement or the performance by
the Company of its obligations under the Merger Agreement or by the Stockholder of its
obligations under this Agreement, including, but not limited to: (A) any extraordinary
corporate transaction, such as a merger, consolidation or other business combination
involving the Company or any subsidiary of the Company; (B) any sale, lease or transfer of a
material amount of assets of the Company (including capital stock or other equity interest
in its Subsidiaries) or any subsidiary of the Company; (C) any reorganization,
recapitalization, dissolution or liquidation of the Company or any subsidiary of the
Company; (D) any change in a majority of the board of directors of the Company; (E) any
amendment to the Company’s certificate of incorporation or bylaws (except for any amendment
to increase the authorized capital stock); and (F) any change in the capitalization of the
Company or the Company’s corporate structure.

4

 

Any such vote shall be cast (or consent shall be given) by the Stockholder in accordance with such
procedures relating thereto so as to ensure that it is duly counted, including for purposes of
determining whether a quorum is present.

          (b) Notwithstanding the provisions of Section 3.1(a), in the event of a Change in
Recommendation made in compliance with the Merger Agreement, the obligation of the Stockholder to
vote (or cause to be voted), or to deliver (or cause to be delivered) a written consent with
respect to, the Covered Shares in the manner set forth in this Section 3.1 shall terminate,
together with the authority of each of the proxies set forth in Section 3.3, and the Stockholder
may vote (or cause to be voted), or deliver (or cause to be delivered) a written consent with
respect to, the Covered Shares as the Stockholder, in its sole discretion, determines.

     3.2. No Inconsistent Agreements. The Stockholder hereby covenants and agrees that,
except for this Agreement or as set forth in Section 7 of the Certificate of Designations, and
except as may be permitted by Section 5.4(b), it (a) has not entered into, and shall not enter into
at any time while this Agreement remains in effect, any voting agreement or voting trust with
respect to the Covered Shares with respect to any of the matters described in Section 3.1(a)(ii)
(the “Section 3.1(a) Matters”), (b) has not granted, and shall not grant at any time while
this Agreement remains in effect (except pursuant to Section 3.3), a proxy, consent or power of
attorney with respect to the Covered Shares with respect to any of the Section 3.1(a) Matters and
(c) has not knowingly taken and shall not knowingly take any action that would make any
representation or warranty of the Stockholder contained herein untrue or incorrect or have the
effect of preventing or disabling the Stockholder from performing any of its obligations under this
Agreement.

     3.3. Proxy. Without in any way limiting the Stockholder’s right to vote the Covered Shares
in its sole discretion on any matters other than the Section 3.1(a) Matters that may be submitted
to a stockholder vote, consent or other approval, the Stockholder hereby irrevocably appoints as
its proxy and attorney-in-fact, Gordon Glenn and Jeffrey Park, pursuant to a proxy to be delivered
to Parent substantially in the form attached hereto as Annex A, in their respective capacities as
officers of Parent, and any individual who shall hereafter succeed to any such officer of Parent,
and any other Person designated in writing by Parent (collectively, the “Grantees”), each
of them individually, with full power of substitution, to vote or execute written consents with
respect to the Covered Shares as to which the Stockholder controls the right to vote in accordance
with Section 3.1 and, in the discretion of the Grantees, with respect to any proposed postponements
or adjournments of any annual or special meeting of the stockholders of the Company at which any of
the Section 3.1(a) Matters was to be considered. This proxy is coupled with an interest and shall
be irrevocable until the earliest of (i) the Operative Date, (ii) a Change in Recommendation, (iii)
the termination of the Merger Agreement in accordance with its terms, or (iv) the termination of
this Agreement in accordance with its terms, in which event this proxy shall automatically be
revoked without any further action by any party. The Stockholder will take such further action or
execute such other instruments as may be necessary to effectuate the intent of this proxy and
hereby revokes any proxy previously granted by it with respect to the Covered Shares with respect
to any of the Section 3.1(a) Matters. So long as the proxy granted under this Section 3.3 is a
valid uncontested proxy that is effective to deliver the
votes of the Covered Shares, the Stockholder shall be deemed to be fulfilling its obligations under
Section 3.1. If Parent believes that such proxy is not a valid proxy or if Parent otherwise

5

 

does not wish to utilize the proxy, Parent will so notify the Stockholder in writing so that the
Stockholder will be able to perform its obligations under Section 3.1.

ARTICLE IV

REPRESENTATIONS AND WARRANTIES

     4.1. Representations and Warranties of the Stockholder. The Stockholder hereby represents
and warrants to Parent as follows:

          (a) Organization; Authorization; Validity of Agreement; Necessary Action . The
Stockholder is duly organized and is validly existing and in good standing under the laws of the
jurisdiction of its formation. The Stockholder has full power and authority to execute and deliver
this Agreement, to perform its obligations hereunder and to consummate the transactions
contemplated hereby. The execution and delivery by the Stockholder of this Agreement, the
performance by it of its obligations hereunder and the consummation by it of the transactions
contemplated hereby have been duly and validly authorized by the Stockholder and no other actions
or proceedings on the part of the Stockholder or any stockholder thereof are necessary to authorize
the execution and delivery by it of this Agreement, the performance by it of its obligations
hereunder or the consummation by it of the transactions contemplated hereby. This Agreement has
been duly executed and delivered by the Stockholder and, assuming this Agreement constitutes a
valid and binding obligation of the other parties hereto, constitutes a legal, valid and binding
obligation of the Stockholder, enforceable against it in accordance with its terms, subject to
bankruptcy, insolvency, fraudulent transfer, moratorium, reorganization or similar laws affecting
the rights of creditors generally and the availability of equitable remedies (regardless of whether
such enforceability is considered in a proceeding in equity or at law).

          (b) Ownership. The Stockholder’s Existing Shares are, and all of the Covered Shares
owned by the Stockholder from the date hereof through and on the Operative Date will be,
Beneficially Owned and owned of record by the Stockholder, except that, in the case of the Offer,
the Company Convertible Preferred Stock will have been converted into Company Common Stock in
accordance with the terms of this Agreement. The Stockholder has good and marketable title to the
Stockholder’s Existing Shares, free and clear of any Encumbrances. As of the date hereof, the
Stockholder’s Existing Shares constitute all of the shares of Company Stock Beneficially Owned or
owned of record by the Stockholder. Except for the rights granted to Parent hereby, the
Stockholder has and will have at all times through the Operative Date sole voting power (including
the right to control such vote as contemplated herein) with respect to the Section 3.1(a) Matters,
sole power of disposition, sole power to issue instructions with respect to the Section 3.1(a)
Matters, and sole power to agree to all of the matters set forth in this Agreement, in each case,
with respect to all of the Stockholder’s Existing Shares and with respect to all of the Covered
Shares owned by the Stockholder at all times through the Operative Date.

          (c) No Violation. The execution, delivery and performance of this Agreement by the
Stockholder does not and will not (whether with or without notice or lapse of time, or both) (i)
violate any provision of the certificate of formation or bylaws or other comparable governing
documents, as applicable, of the Stockholder, (ii) violate, conflict with or result in the

6

 

breach of any of the terms or conditions of, result in any (or the right to make any) modification of or
the cancellation or loss of a benefit under, require any notice, consent or action under, or
otherwise give any Person the right to terminate, accelerate obligations under or receive payment
or additional rights under, or constitute a default under, any Contract to which the Stockholder is
a party or by which it is bound or (iii) violate any Law applicable to the Stockholder or by which
any of the Stockholder’s assets or properties is bound, except for any of the foregoing as would
not, either individually or in the aggregate, impair the ability of the Stockholder to perform its
obligations hereunder or to consummate the transactions contemplated hereby on a timely basis.

          (d) Consents and Approvals. Other than compliance with applicable securities laws and
Laws relating to competition (including any filing under the HSR Act), the execution and delivery
of this Agreement by the Stockholder does not, and the performance by the Stockholder of its
obligations under this Agreement and the consummation by it of the transactions contemplated hereby
will not, require the Stockholder to obtain any consent, approval, authorization or permit of, or
to make any filing with or notification to, any Governmental Entity, except where the failure to
obtain such consents, approvals, authorizations or permits, or to make such filings or
notifications, would not, either individually or in the aggregate, prevent or delay the performance
by the Stockholder of any of its obligations under this Agreement.

          (e) Absence of Litigation. As of the date hereof, there is no Action pending or, to
the knowledge of the Stockholder, threatened against the Stockholder or any of its Affiliates
before or by any Governmental Entity that would impair the ability of the Stockholder to perform
its obligations hereunder or to consummate the transactions contemplated hereby on a timely basis.

          (f) Finder’s Fees. Except as disclosed pursuant to the Merger Agreement, no
investment banker, broker, finder or other intermediary is entitled to a fee or commission from
Parent, US Corp., Merger Sub or the Company in respect of this Agreement based upon any arrangement
or agreement made by or at the direction of the Stockholder.

          (g) Reliance by Parent, US Corp. and Merger Sub. The Stockholder understands and
acknowledges that Parent, US Corp. and Merger Sub are entering into the Merger Agreement in
reliance upon the Stockholder’s execution and delivery of this Agreement and the representations
and warranties of the Stockholder contained herein.

ARTICLE V

OTHER COVENANTS

     5.1. Prohibition on Transfers, Other Actions.

          (a) Except as permitted by Section 5.4(b), the Stockholder hereby agrees not to (i) Transfer
any of the Covered Shares, Beneficial Ownership thereof or any other interest specifically therein
(including by tendering into another tender or exchange offer), except to participate in the Offer
or the Merger; (ii) enter into any agreement, arrangement or understanding with any Person (other
than Parent, US Corp. or Merger Sub), or knowingly take

7

 

any other action, that violates or
conflicts with the Stockholder’s representations, warranties, covenants and obligations under this
Agreement; or (iii) knowingly take any action that could restrict or otherwise affect the
Stockholder’s legal power, authority and right to comply with and perform its covenants and
obligations under this Agreement. Any Transfer in violation of this provision shall be void.

          (b) The Stockholder hereby covenants and agrees that for a period of one year following the
Operative Date (the “Lock-Up Period”), the Stockholder shall not Transfer, or consent to
any Transfer of, any shares of Parent Common Stock, or any interest therein, or enter into any
Contract, option or other arrangement (including any profit sharing or other derivative
arrangement) with respect to the Transfer of, any shares of Parent Common Stock or any interest
therein to any person; provided that the Stockholder may participate during the Lock-Up
Period with respect to its shares of Parent Common Stock in any merger, tender offer or other
business combination or other transaction, in each case, which the Board of Directors of Parent has
recommended to Parent’s stockholders. The Stockholder hereby agrees that, in order to ensure
compliance with the restrictions referred to herein, Parent may issue appropriate “stop transfer”
instructions to its transfer agent in respect of the Stockholder’s Parent Common Stock. Parent
agrees that it will cause any stop transfer instructions imposed pursuant to this Section 5.1(b) to
be lifted, and any legended certificates of Parent Common Stock delivered to the Stockholder
pursuant to the Merger Agreement to be replaced with certificates not bearing such legend, promptly
following the termination of the Lock-Up Period. The restrictions on transfer provided in this
Section 5.1(b) shall be in addition to any restrictions on transfer of the Parent Common Stock
imposed by any applicable Laws.

     5.2. Registration Rights Agreement. Concurrently with the execution of this
Agreement, Parent and the Stockholder are entering into a Registration Rights Agreement (the
“Registration Rights Agreement”).

     5.3. Stock Dividends, etc. In the event of a stock split, stock dividend or distribution,
or any change in the Company Stock by reason of any split-up, reverse stock split,
recapitalization, combination, reclassification, exchange of shares or the like, the terms
“Existing Shares” and “Covered Shares” shall be deemed to refer to and include such shares as well
as all such stock dividends and distributions and any securities into which or for which any or all
of such shares may be changed or exchanged or which are received in such transaction.

     5.4. No Solicitation.

          (a) The Stockholder hereby agrees that during the term of this Agreement, except as permitted
by Section 5.4(b), it shall not, and shall use its reasonable best efforts to ensure that any of
its Affiliates or Representatives do not, directly or indirectly, (i) solicit, initiate, knowingly
encourage or facilitate (including by way of furnishing non-public information) the submission of
an Acquisition Proposal or any proposal, offer or inquiry that may reasonably be expected to lead
to an Acquisition Proposal, (ii) participate or enter into or engage in negotiations or discussions
with, or provide any non-public information or data to, any person (other than Parent or any of its
affiliates or representatives) relating to any Acquisition Proposal or any proposal, offer or
inquiry that may reasonably be expected to lead to an Acquisition Proposal, (iii) make or
participate in, directly or indirectly, a “solicitation” of

8

 

“proxies” (as such terms are used in
the rules of the SEC) or powers of attorney or similar rights to vote, or seek to advise or
influence any Person with respect to the voting of, any shares of Company Stock in connection with
any vote or other action on any of the Section 3.1(a) Matters, other than to recommend that
stockholders of the Company vote in favor of the adoption of the Merger Agreement and as otherwise
expressly provided in this Agreement or to otherwise vote or consent with respect to Covered Shares
in a manner that would not violate Section 3.1, (iv) vote, approve, adopt or recommend, or publicly
propose to approve, adopt or recommend, any letter of intent, memorandum of understanding,
agreement, option agreement or other agreement relating to an Acquisition Proposal or any proposal,
offer or inquiry that may reasonably be expected to lead to an Acquisition Proposal, or (v) agree
to do any of the foregoing. The Stockholder hereby agrees immediately to cease and cause to be
terminated all existing solicitations, discussions or negotiations with any Person with respect to
any Acquisition Proposal or any offer, proposal or inquiry that may reasonably be expected to lead
to an Acquisition Proposal, and will inform its Affiliates and Representatives of the obligations
undertaken by the Stockholder pursuant to this Agreement, including this Section 5.4(a). If any of
the Stockholder’s Affiliates or Representatives takes any action that the Stockholder is not
permitted to take under this Section 5.4, it shall be deemed to be a breach of this Section 5.4 by
the Stockholder. Notwithstanding anything in this Agreement (including the immediately preceding
sentence) to the contrary, no action taken by the Company or any of its Affiliates or
Representatives in compliance with Section 6.2 of the Merger Agreement shall be a violation by the
Stockholder of this Section 5.4(a).

          (b) Notwithstanding anything contained in this Agreement to the contrary, in the event that
the Company Board of Directors exercises its rights under Section 6.2 of the Merger Agreement to
(i) furnish information concerning, and provide access to, the Company’s business, properties,
employees and assets to any Person or Persons (and their Representatives acting in such capacity),
and/or (ii) participate, engage or assist in discussions and negotiations with any Person or
Persons (and their Representatives acting in such capacity), in each case, in compliance with
Section 6.2 of the Merger Agreement, then (x) the Stockholder and its Representatives likewise may
furnish any such information to such Person or Persons, provide such Person or Persons with any
such access, and/or participate, engage or assist in any such discussions and negotiations with
such Person or Persons; provided that any action taken by the Stockholder shall be taken
only in coordination with the Company Board of Directors, and (y) in connection with the Company’s
termination of the Merger Agreement pursuant to Section 9.1(f) thereof in order to enter into a
transaction which is a Superior Proposal, the Stockholder shall be entitled to enter into a voting
or other support agreement with the Person making the Superior
Proposal, provided that the effectiveness of such agreement shall be conditioned on
the termination of the Merger Agreement in compliance with Section 6.2(c) thereof.

     5.5. Notice of Acquisitions; Proposals Regarding Prohibited Transactions. The Stockholder
hereby agrees to notify Parent in writing (a) as promptly as practicable (and in any event within
one business day following such acquisition by the Stockholder) of the number of any additional
shares of Company Stock or other securities of the Company of which the Stockholder acquires
Beneficial Ownership on or after the date hereof and (b) as promptly as practicable (and in any
event within the earlier of (i) one business day or (ii) 48 hours) after receipt by the Stockholder
of any Acquisition Proposal or any offer, proposal or inquiry that may reasonably be expected to
lead to an Acquisition Proposal or after any request for information is

9

 

sought from or initiated
with the Stockholder, and shall disclose the material terms of such Acquisition Proposal, proposal,
offer or inquiry, including the identity of the Person or Persons making such Acquisition Proposal,
proposal, offer or inquiry (unless prohibited by the confidentiality agreement with such Person)
and provide a copy thereof if in writing and any related available material documentation or
correspondence. The Stockholder will keep Parent informed on a prompt basis of the status and any
material discussions or negotiations (including material amendments and proposed material
amendments) relating to any Acquisition Proposal or any such offer, proposal or inquiry.

     5.6. Stockholder Profit.

          (a) In the event that the Merger Agreement shall have been terminated under circumstances in
which a Termination Fee is payable or may be payable by the Company to Parent with respect to such
termination upon the occurrence of certain events specified in the Merger Agreement, but in each
case, subject to such Termination Fee actually becoming payable under the Merger Agreement, the
Stockholder shall pay to Parent an amount equal to 50% of the Stockholder’s profit (determined in
accordance with Section 5.6(b) below) from the sale or other Transfer of any Covered Shares
pursuant to an Acquisition Proposal (including a Superior Proposal) so long as the agreement with
respect to such Acquisition Proposal is entered into or such Acquisition Proposal is consummated
within 12 months of the termination of this Agreement. Payment shall be made promptly upon the
receipt by the Stockholder of the proceeds from such sale or other disposition and shall only be
required to be paid if such sale or other disposition is completed or, if later, when the
Termination Fee is paid.

          (b) For purposes of this Section 5.6, the profit of the Stockholder shall equal (A) the
aggregate consideration for or on account of the Covered Shares that were sold or otherwise
Transferred as described in Section 5.6(a) including extraordinary distributions directly or
indirectly made in connection with any Acquisition Proposal, valuing any non-cash consideration
(including any residual interest in the Company) at its fair market value on the date of such
consummation, less (B) the product of (x) $11.50 and (y) the number of Covered Shares so sold or
otherwise Transferred by the Stockholder.

          (c) For purposes of this Section 5.6, the fair market value of any non-cash consideration
consisting of:

          (i) securities listed on a national securities exchange or traded or quoted on the
Nasdaq (“Traded Securities”) shall be equal to the average closing price per share
of such security as reported on the composite trading system of such exchange or by Nasdaq
for the five trading days ending on the trading day immediately prior to the date of the
value determination (the “Valuation Period”); and

          (ii) consideration which is other than cash or Traded Securities shall be determined by
a nationally recognized independent investment banking firm mutually agreed upon by Parent
and the Stockholder within ten business days of the event requiring selection of such
banking firm; provided, however, that if the parties are unable to agree
within two business days after the date of such event as to the investment banking firm,
then the parties shall each select one firm, and those firms shall select a

10

 

third investment
banking firm, which third firm shall make such determination; provided,
further, that the fees and expenses of such investment banking firm shall be borne
equally by Parent and the Stockholder. The determination of the investment-banking firm
shall be binding upon the parties.

          (d) Any payment of profit under this Section 5.6 shall be paid in the same proportion of cash
and non-cash consideration as the aggregate consideration received by the Stockholder in the
Acquisition Proposal or other disposition.

          (e) In the event that the Merger Agreement shall have been terminated under circumstances in
which a Termination Fee is payable or may be payable by the Company to Parent with respect to such
termination upon the occurrence of certain events specified in the Merger Agreement, then the
Stockholder shall not, until the 12-month anniversary of the termination of this Agreement,
Transfer any of the Covered Shares (i) to its limited partners or (ii) to any of its Affiliates
unless such Affiliate agrees in writing to be bound by the provisions of this Section 5.6.

          (f) Neither the Stockholder nor Parent shall, and each shall use its reasonable best efforts
to ensure that its respective Affiliates do not, engage in any Prohibited Activity with respect to
any subject Traded Securities during an applicable Valuation Period. “Prohibited Activity”
means any acquisition or disposition, in open market transactions, private transactions or
otherwise, during the Valuation Period of any of the subject Traded Securities or any securities
convertible into or exchangeable for or derivative of the subject Traded Securities or any other
action, in the case of any of the foregoing, taken intentionally for the purpose of manipulating
the price of the subject Traded Securities during the Valuation Period.

     5.7. Release. From and after the Effective Time, the Stockholder finally and forever
releases Parent and the Company, and their respective successors, assigns, officers, directors,
employees and all affiliates and Subsidiaries, past and present, of Parent and the Company (the
“Releasees”) from each and every agreement, commitment, indebtedness, obligation and claim
of every nature and kind whatsoever, known or unknown, suspected or unsuspected (each, a
“Claim” and collectively, the “Claims”) that (A) the Stockholder may have had
in the past, may have as of the date hereof or, to the extent arising from or in connection with
any act, omission or state of facts taken or existing on or prior to the date hereof, may have
after the date hereof against any of the Releasees and (B) has arisen or arises directly out of the
Stockholder’s interest as a stockholder of the Company or any of its Subsidiaries; except with
respect to any such Claims arising under this Agreement, the Merger Agreement, the Registration
Rights Agreement and the transactions contemplated hereby and thereby, and any Claim by the
Stockholder for failure by the Company to pay all accrued and unpaid dividends on the Company
Convertible Preferred Stock prior to the Operative Date.

     5.8. Waiver of Appraisal Rights. The Stockholder agrees not to exercise any rights of
appraisal or any dissenters’ rights that the Stockholder may have (whether under applicable Law or
otherwise) or could potentially have or acquire in connection with the Merger.

     5.9. Further Assurances. From time to time, at Parent’s request and without further
consideration, the Stockholder shall execute and deliver such additional documents and take all

11

 

such further action as may be reasonably necessary to effect the actions and consummate the
transactions contemplated by this Agreement.

     5.10. Disclosure. Neither Parent, the Company nor the Stockholder will issue any
press release or make any other public statement, and shall not authorize or permit any of its
Subsidiaries or Affiliates or any of its or their Representatives to issue any press release or
make any other public statement with respect to the Merger Agreement, this Agreement, the
Registration Rights Agreement or any of the transactions contemplated by the Merger Agreement, this
Agreement or the Registration Rights Agreement without the prior written consent of the other
parties hereto (such consent not to be unreasonably withheld, conditioned or delayed), except as
may be required by Law or by any listing requirement with the Nasdaq or the Toronto Stock Exchange,
including any filings required under the Securities Act or the Exchange Act.

     5.11. Meeting Rights. During the Lock-Up Period, the Stockholder shall be entitled to
attend any meeting held pursuant to the Other Stockholder’s exercise of its right to meet each
calendar quarter with the Chief Executive Officer and the Chief Financial Officer of Parent.

     5.12. Rule 144. Parent agrees to use its reasonable best efforts to file all reports
required to be filed by it under the Exchange Act to the extent required to enable the Stockholder,
after the expiration of the Lock-Up Period, to sell the Parent Common Stock pursuant to and in
accordance with Rule 144.

     5.13. Affiliate Agreements. The Stockholder shall take all actions necessary to cause
the Registration Rights Agreement, dated as of March 19, 2004, by and among the Company, the
Stockholder, the Other Stockholder, and such other persons who became signatories thereto as
provided therein to be terminated (without any payment), effective as of and contingent upon the
earlier to occur of the Acceptance Date and the Effective Time, such that such agreement shall
be of no further force or effect immediately thereafter. The Stockholder has approved the
Certificate of Amendment. The Stockholder hereby waives its right of first offer under the Amended
and Restated Preferred Stock Purchase Agreement, dated as of November 26, 2003, by and between the
Company and the Stockholder, in connection with the Merger Agreement and the transactions
contemplated thereby.

ARTICLE VI

MISCELLANEOUS

     6.1. Termination. This Agreement shall remain in effect until the earliest to occur of
(i) the termination of the Merger Agreement in accordance with its terms, and (ii) the delivery of
written notice of termination by the Stockholder to Parent following any Fundamental Amendment
effected without the prior written consent of the Stockholder, and upon the occurrence of the
earliest of such events this Agreement shall terminate and be of no further force;
provided, however, that the provisions of Section 5.6, this Section 6.1, the last
sentence of Section 6.2(a) and Sections 6.4 through 6.13 shall survive any termination of this
Agreement. Nothing in this Section 6.1 and no termination of this Agreement shall relieve or
otherwise limit any party of liability for willful breach of this Agreement. “Fundamental
Amendment” means

12

 

the execution by the Company, Parent, US Corp. and Merger Sub of an amendment
to, or waiver by the Company, Parent, US Corp. or Merger Sub of any provision of, the Offer or the
Merger Agreement that reduces the amount of the Offer Price or the Merger Consideration, changes
the form of the Offer Price or the Merger Consideration to include or substitute therefor a form
other than cash and Parent Common Stock, or decreases the ratio of cash to Parent Common Stock
included in the Offer Price or the Merger Consideration. If the Stockholder does not exercise the
termination right described above within five business days following the date the Stockholder is
notified that such Fundamental Amendment is effected, then this Agreement shall give effect to any
modified terms incorporated from the Merger Agreement and, except as so modified, shall continue in
full force and effect.

     6.2. Legends; Stop Transfer Order.

          (a) In furtherance of this Agreement, the Stockholder hereby authorizes and instructs the
Company to instruct its transfer agent to enter a stop transfer order with respect to all of the
Covered Shares held of record by the Stockholder and to legend the share certificates. The Company
agrees that as promptly as practicable after the date of this Agreement it shall give such stop
transfer instructions to the transfer agent for the Company Stock and to legend the share
certificates. The Company agrees that, (i) if this Agreement is terminated in accordance with
Section 6.1, then, promptly following the termination of this Agreement, (ii) if Merger Sub accepts
the Covered Shares for payment pursuant to the terms of the Offer, then, concurrently with such
acceptance (and in any event within such time as would not delay receipt by the
Stockholder of the Offer Price), or (iii) if the transactions contemplated by the Merger
Agreement are effected as a One Step Merger, then, immediately following the Closing (and in any
event within such time as would not delay receipt by the Stockholder of the Merger Consideration),
the Company will cause any stop transfer instructions imposed pursuant to this Section 6.2 to be
lifted and any legended certificates delivered pursuant to this Section 6.2 to be replaced with
certificates not bearing such legend.

          (b) Each certificate representing Covered Shares held of record by the Stockholder shall bear
the following legend on the face thereof:

          “THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO RESTRICTIONS ON VOTING,
TRANSFER AND CERTAIN OTHER LIMITATIONS SET FORTH IN THAT CERTAIN STOCKHOLDER AGREEMENT DATED AS OF
FEBRUARY 25, 2008, AMONG SXC HEALTH SOLUTIONS CORP., NEW MOUNTAIN AFFILIATED INVESTORS, L.P. AND
NATIONAL MEDICAL HEALTH CARD SYSTEMS, INC., AS THE SAME MAY BE AMENDED FROM TIME TO TIME, COPIES OF
WHICH STOCKHOLDER AGREEMENT ARE ON FILE AT THE PRINCIPAL OFFICE OF NATIONAL MEDICAL HEALTH CARD
SYSTEMS, INC.”

          The Stockholder will cause all of its Existing Shares held of record by the Stockholder and
any securities that become Covered Shares held of record by the Stockholder after the date hereof
to be delivered to the Company for the purpose of applying such legend (if not so endorsed upon
issuance). The Company shall return to the delivering party, as promptly as possible, any
securities so delivered. The delivery of such securities by the delivering party shall not in any
way affect such party’s rights with respect to such securities.

13

 

     6.3. No Ownership Interest. Nothing contained in this Agreement shall be deemed to vest in
Parent any direct or indirect ownership or incidence of ownership of or with respect to any Covered
Shares, except as otherwise provided herein. All rights, ownership and economic benefits of and
relating to the Covered Shares shall remain vested in and belong to the Stockholder, and Parent
shall have no authority to direct the Stockholder in the voting or disposition of any of the
Covered Shares, except as otherwise provided herein.

     6.4. Notices.

          (a) All notices and other communications hereunder shall be in writing and shall be deemed
given if delivered personally, by facsimile (upon telephonic confirmation of receipt), on the first
business day following the date of dispatch if delivered by a recognized next day courier service
or on the third business day following the date of mailing if delivered by registered or certified
mail, return receipt requested, post prepaid. All notices hereunder shall be delivered as set
forth below, or pursuant to such other instructions as may be designated in writing in accordance
with this Section 6.4 by the party to receive such notice.

          (i) if to Parent, to:

SXC Health Solutions Corp.

2441 Warrenville Road, Suite 610

Lisle, IL 60532-3246

Fax: (630) 328-2190

Attention: Chief Financial Officer

              with a copy to:

Sidley Austin LLP

1 South Dearborn Street

Chicago, IL 60603

Fax: (312) 853-7036

Attention: Gary D. Gerstman

Scott R. Williams

          (ii) if to the Company, to:

National Medical Health Card Systems, Inc.

26 Harbor Park Drive

Port Washington, NY 11050

Fax: (516) 605-6989

Attention: George McGinn, Esq.

              with a copy to:

Bass, Berry & Sims PLC

315 Deaderick Street, Suite 2700

Nashville, TN 37238

14

 

Fax: (615) 742-6293

Attention: J. Allen Overby, Esq.

Jennifer H. Noonan, Esq.

          (iii) if to the Stockholder, to:

New Mountain Affiliated Investors, L.P.

787 Seventh Avenue, 49th Floor

New York, NY 10019

Fax: (212) 582-2277

Attention: Mr. Michael B. Ajouz

              with a copy to:

Fried, Frank, Harris, Shriver & Jacobson LLP

One New York Plaza

New York, NY 10004

Fax: (212) 859-4000

Attention: Aviva F. Diamant, Esq.

          (b) A copy of all notices and other communications from Parent or Merger Sub to the Company
(and vice versa) under the Merger Agreement shall be sent at the same time to the Stockholder at
the above address, with a copy to its counsel at the above address, and the provisions of this
Section 6.4 shall apply to such notices and communications; provided that no failure to
provide such notice to the Stockholder shall relieve the Stockholder of its obligations under this
Agreement.

     6.5. Interpretation. The words “hereof,” “herein” and “hereunder” and words of similar
import when used in this Agreement shall refer to this Agreement as a whole and not to any
particular provision of this Agreement, and Section references are to this Agreement unless
otherwise specified. Whenever the words “include,” “includes” or “including” are used in this
Agreement, they shall be deemed to be followed by the words “without limitation.” The meanings
given to terms defined herein shall be equally applicable to both the singular and plural forms of
such terms. The table of contents and headings contained in this Agreement are for reference
purposes only and shall not affect in any way the meaning or interpretation of this Agreement. This
Agreement is the product of negotiation by the parties having the assistance of counsel and other
advisers. It is the intention of the parties that this Agreement not be construed more strictly
with regard to one party than with regard to the others.

     6.6. Counterparts. This Agreement may be executed by facsimile and in counterparts, all of
which shall be considered one and the same agreement and shall become effective when counterparts
have been signed by each of the parties and delivered to the other parties, it being understood
that all parties need not sign the same counterpart.

     6.7. Entire Agreement. This Agreement, the Registration Rights Agreement and, to the
extent referenced herein, the Merger Agreement, together with the several agreements and other
documents and instruments referred to herein or therein or annexed hereto or thereto,

15

 

embody the complete agreement and understanding among the parties hereto with respect to the subject matter
hereof and supersede and preempt any prior understandings, agreements or representations by or
among the parties, written and oral, that may have related to the subject matter hereof in any way.

     6.8. Governing Law; Consent to Jurisdiction; Waiver of Jury Trial. (a) This
Agreement, and all claims or causes of action (whether at law, in contract or in tort) that may be
based upon, arise out of or relate to this Agreement or the negotiation, execution or performance
hereof, shall be governed by and construed in accordance with the Laws of the State of Delaware,
without giving effect to any choice or conflict of Law provision or rule (whether of the State of
Delaware or any other jurisdiction) that would cause the application of the Laws of any
jurisdiction other than the State of Delaware. The parties agree that irreparable damage would
occur and that the parties would not have any adequate remedy at law in the event that any of the
provisions of this Agreement were not performed in accordance with their specific terms or were
otherwise breached. It is accordingly agreed that
the parties shall be entitled to an injunction or injunctions to prevent breaches of this
Agreement and to enforce specifically the terms and provisions of this Agreement in the Court of
Chancery of the State of Delaware (and any appellate court of the State of Delaware) and the
Federal courts of the United States of America located in the State of Delaware, this being in
addition to any other remedy to which they are entitled at law or in equity. Each of the parties
hereby irrevocably waives, and agrees not to assert, by way of motion, as a defense, counterclaim
or otherwise, in any Action with respect to this Agreement, (a) any claim that it is not personally
subject to the jurisdiction of the above-named courts for any reason other than the failure to
lawfully serve process, (b) that it or its property is exempt or immune from jurisdiction of any
such court or from any legal process commenced in such courts (whether through service of notice,
attachment prior to judgment, attachment in aid of execution of judgment, execution of judgment or
otherwise), and (c) to the fullest extent permitted by applicable Law, that (i) the Action in any
such court is brought in an inconvenient forum, (ii) the venue of such Action is improper or (iii)
this Agreement, or the subject matter hereof, may not be enforced in or by such courts.

          (b) Each party hereto hereby waives, to the fullest extent permitted by applicable law, any
right it may have to a trial by jury in respect of any Action arising out of or relating to this
Agreement. Each party hereto (i) certifies that no representative, agent or attorney of any other
party has represented, expressly or otherwise, that such party would not, in the event of any
Action, seek to enforce the foregoing waiver and (ii) acknowledges that it and the other parties
hereto have been induced to enter into this Agreement, by, among other things, the mutual waiver
and certifications in this Section 6.8.

     6.9. Amendment; Waiver; Expenses.

          (a) This Agreement may not be amended except by an instrument in writing signed by each of the
parties hereto. Each party may waive any right of such party hereunder by an instrument in writing
signed by such party and delivered to Parent, the Company and the Stockholder.

          (b) The Stockholder agrees that it is solely responsible (without reimbursement from the
Company) for all costs and expenses (including all fees and expenses of

16

 

counsel) incurred by the
Stockholder in connection with this Agreement and the Registration Rights Agreement.

     6.10. Remedies. All rights, powers and remedies provided under this Agreement or otherwise
available in respect hereof at law or in equity shall be cumulative and not alternative, and the
exercise or beginning of the exercise of any thereof by any party shall not preclude the
simultaneous or later exercise of any other such right, power or remedy by such party.

     6.11. Severability. Any term or provision of this Agreement which is determined by a court
of competent jurisdiction to be invalid or unenforceable in any jurisdiction shall, as to that
jurisdiction, be ineffective to the extent of such invalidity or unenforceability without rendering
invalid or
unenforceable the remaining terms and provisions of this Agreement or affecting the validity or
enforceability of any of the terms or provisions of this Agreement in any other jurisdiction, and
if any provision of this Agreement is determined to be so broad as to be unenforceable, the
provision shall be interpreted to be only so broad as is enforceable, in all cases so long as
neither the economic nor legal substance of the transactions contemplated hereby is affected in any
manner adverse to any party or its stockholders or partners, as applicable. Upon any such
determination, the parties shall negotiate in good faith in an effort to agree upon a suitable and
equitable substitute provision to effect the original intent of the parties as closely as possible
and to the end that the transactions contemplated hereby shall be fulfilled to the maximum extent
possible.

     6.12. Successors and Assigns; Third Party Beneficiaries. Neither this Agreement nor any of
the rights or obligations of any party under this Agreement shall be assigned, in whole or in part
(by operation of law or otherwise), by any party without the prior written consent of the other
parties hereto. Subject to the foregoing, this Agreement shall bind and inure to the benefit of
and be enforceable by the parties hereto and their respective successors and permitted assigns.
Nothing in this Agreement, express or implied, is intended to confer on any Person other than the
parties hereto or their respective successors and permitted assigns any rights, remedies,
obligations or liabilities under or by reason of this Agreement.

     6.13. Stockholder Capacity. The restrictions and covenants of the Stockholder hereunder
shall not be binding, and shall have no effect, in any way with respect to any director or officer
of the Company or any of its Subsidiaries in such Person’s capacity as such a director or officer,
nor shall any action taken by any such director or officer in his or her capacity as such be deemed
a breach by the Stockholder of this Agreement.

[Remainder of this page intentionally left blank]

17

 

          IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be signed (where
applicable, by their respective officers or other authorized Person thereunto duly authorized) as
of the date first written above.

	 	 	 	 	 	 	 
	 	 	SXC HEALTH SOLUTIONS CORP.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:

Name:
	 	/s/ Jeffrey Park
 

Jeffrey Park
	 	 
	 

	 	Title:
	 	Chief Financial Officer	 	 
	 
	 	 	 	 	 	 
	 	 	NEW MOUNTAIN AFFILIATED INVESTORS, L.P.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	New Mountain GP, LLC,

its general partner	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ Steven B. Klinsky	 	 
	 

	 	 	 	 	 	 
	 

	 	Name:
	 	Steven B. Klinsky	 	 
	 

	 	Title:
	 	Chief Executive Officer	 	 
	 
	 	 	 	 	 	 
	 	 	NATIONAL MEDICAL HEALTH CARD SYSTEMS, INC.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ George McGinn	 	 
	 

	 	 	 	 	 	 
	 

	 	Name:
	 	George McGinn	 	 
	 

	 	Title:
	 	General Counsel and Secretary	 	 

 

 

ANNEX A

IRREVOCABLE PROXY

Dated as of February 25, 2008

     The undersigned Stockholder (the “Stockholder”) of National Medical Health Card
Systems, Inc., a Delaware corporation (the “Company”), hereby irrevocably (to the fullest
extent permitted by law) appoints Gordon Glenn and Jeffrey Park, as the sole and exclusive
attorneys and proxies of the undersigned, with full power of substitution and resubstitution, to
vote and exercise all voting and related rights (to the full extent that the undersigned is
entitled to do so) with respect to all of the shares of capital stock of the Company that now are
or hereafter may be beneficially owned by the undersigned, and any and all other shares or
securities of the Company issued or issuable in respect thereof on or after the date hereof
(collectively, the “Covered Shares”), in accordance with the terms of this Proxy. The
Covered Shares beneficially owned by the Stockholder as of the date of this Proxy are listed on the
signature page of this Proxy, along with the number(s) of the stock certificate(s) representing
such Covered Shares. Upon the Stockholder’s execution of this Proxy, any and all prior proxies
given by the undersigned with respect to any Covered Shares are hereby revoked and terminated, and
the Stockholder agrees not to grant any subsequent proxies with respect to the Covered Shares, with
respect to any of the matters referred to in any of clauses (a) through (c) below until after the
Expiration Time (as defined below).

     This Proxy is irrevocable (to the fullest extent permitted by law), is coupled with an
interest and is granted pursuant to that certain Stockholder Agreement of even date herewith (the
“Stockholder Agreement”) by and among SXC Health Solutions Corp., a corporation organized
under the laws of Yukon Territory, Canada (“Parent”), the Company and the undersigned
Stockholder of the Company, and is granted in consideration of Parent entering into that certain
Agreement and Plan of Merger of even date herewith (as it may hereafter be amended from time to
time in accordance with the provisions thereof, the “Merger Agreement”) by and among
Parent, SXC Health Solutions, Inc., a Texas corporation (“US Corp.”), Comet Merger
Corporation, a newly-formed Delaware corporation that is wholly-owned by US Corp. and an indirect
wholly-owned subsidiary of Parent (“Merger Sub”), and the Company. The Merger Agreement
provides that Merger Sub will commence an exchange offer (the “Offer”) to acquire all of
the outstanding shares of common stock, par value $0.001 per share, of the Company (“Company
Common Stock”), and following the consummation of the Offer (or, subject to certain conditions,
in lieu thereof), Merger Sub will merge with and into the Company (the “Merger”) and the
Stockholder will be entitled to receive the merger consideration specified therein. The term
“Expiration Time”, as used in this Proxy, shall mean the earliest to occur of (i) the
Operative Date, (ii) a Change in Recommendation, (iii) the termination of the Merger Agreement in
accordance with its terms, and (iv) the termination of the Stockholder Agreement in accordance with
its terms.

     The attorneys and proxies named above, and each of them, are hereby authorized and empowered
by the Stockholder, at any time prior to the Expiration Time, to act as the Stockholder’s attorney
and proxy to vote all of the Covered Shares, and to exercise all voting, consent and similar rights
of the undersigned with respect to all of the Covered Shares

 

 

(including, without limitation, the power to execute and deliver written consents) at every annual
or special meeting of stockholders of the Company (and at every adjournment or postponement
thereof), and in every written consent in lieu of such meeting:

     (a) in favor of the adoption of the Merger Agreement and any related proposal in furtherance
thereof, as reasonably requested by Parent, submitted for the vote or written consent of
stockholders;

     (b) against any action or agreement submitted for the vote or written consent of stockholders
that the Stockholder knows is in opposition to, or competitive or materially inconsistent with, the
Offer or the Merger or that the Stockholder knows would result in a breach of any covenant,
representation or warranty or any other obligation or agreement of the Company contained in the
Merger Agreement, or of the Stockholder contained in the Stockholder Agreement; and

     (c) against any Acquisition Proposal (as defined in the Merger Agreement) and against any
other action, agreement or transaction submitted for the vote or written consent of stockholders
that the Stockholder knows would impede, interfere with, delay, postpone, discourage, frustrate the
purposes of or adversely affect the Offer or the Merger or the other transactions contemplated by
the Merger Agreement or the Stockholder Agreement or the performance by the Company of its
obligations under the Merger Agreement or by the Stockholder of its obligations under the
Stockholder Agreement, including, but not limited to: (A) any extraordinary corporate transaction,
such as a merger, consolidation or other business combination involving the Company or any
subsidiary of the Company; (B) any sale, lease or transfer of a material amount of assets of the
Company (including capital stock or other equity interests in its Subsidiaries) or any subsidiary
of the Company; (C) any reorganization, recapitalization, dissolution or liquidation of the Company
or any subsidiary of the Company; (D) any change in a majority of the board of directors of the
Company; (E) any amendment to the Company’s certificate of incorporation or bylaws (except for any
amendment to increase the authorized capital stock); and (F) any change in the capitalization of
the Company or the Company’s corporate structure.

     Any term or provision of this Proxy that is invalid or unenforceable in any situation in any
jurisdiction shall not affect the validity or enforceability of the remaining terms and provisions
hereof or the validity or enforceability of the offending term or provision in any other situation
or in any other jurisdiction. If the final judgment of a court of competent jurisdiction declares
that any term or provision hereof is invalid or unenforceable, the Stockholder agrees that the
court making such determination shall have the power to limit the term or provision, to delete
specific words or phrases, or to replace any invalid or unenforceable term or provision with a term
or provision that is valid and enforceable and that comes closest to expressing the intention of
the invalid or unenforceable term or provision, and this Proxy shall be enforceable as so modified.
In the event such court does not exercise the power granted to it in the prior sentence, the
Stockholder agrees to replace such invalid or unenforceable term or provision with a valid and
enforceable term or provision that will achieve, to the extent possible, the economic, business and
other purposes of such invalid or unenforceable term.

 

 

     The restrictions and covenants of the Stockholder hereunder shall not be binding, and shall
have no effect, in any way with respect to any director or officer of the Company or any of its
Subsidiaries in such Person’s capacity as such a director or officer, nor shall any action taken by
any such director or officer in his or her capacity as such be deemed a breach by the Stockholder
of this Proxy.

     Any obligation of the Stockholder hereunder shall be binding upon the successors and assigns
of the Stockholder.

     This Proxy shall terminate, and be of no further force and effect, automatically upon the
Expiration Time.

[signature page follows]

 

 

COUNTERPART SIGNATURE PAGE

     IN WITNESS WHEREOF, the Stockholder has caused this Irrevocable Proxy to be duly executed as
of the day and year first above written.

	 	 	 	 	 	 	 
	 	 	NEW MOUNTAIN AFFILIATED INVESTORS, L.P.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	New Mountain GP, LLC,

its general partner	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ Steven B. Klinsky
 

	 	 
	 

	 	Name:
	 	Steven B. Klinsky
	 	 
	 

	 	Title:
	 	Chief Executive Officer	 	 

NUMBER OF OUTSTANDING SHARES OF COMPANY STOCK BENEFICIALLY OWNED BY THE
STOCKHOLDER:

	 	 	 
	SERIES A 7% CONVERTIBLE PREFERRED STOCK
	 	165,725
	 
	 	 
	COMMON STOCK
	 	165,725 (upon conversion)

Stockholder Address:

New Mountain Affiliated Investors, L.P.

787 Seventh Avenue, 49th Floor

New York, NY 10019

Attention: Mr. Michael B. Ajouz

Fax: (212) 582-2277

with a copy to:

Fried, Frank, Harris, Shriver & Jacobson LLP

One New York Plaza

New York, NY 10004

Attention: Aviva F. Diamant, Esq.

Fax: (212) 859-4000

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