Document:

EX-10.8

 Exhibit 10.8 

Final Form 
 REGISTRATION
RIGHTS AGREEMENT 
 REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of March 1, 2017, by and among
Change Healthcare LLC (f/k/a PF2 NewCo LLC), a Delaware limited liability company (together with its successors and assigns, the “Company”), Change Healthcare Intermediate Holdings, LLC (f/k/a PF2 NewCo Intermediate Holdings, LLC),
a Delaware limited liability company, Change Healthcare Holdings, LLC (f/k/a PF2 NewCo Holdings, LLC), a Delaware limited liability company, Change Healthcare Holdings, Inc., a Delaware corporation, Change Healthcare Operations, LLC, a Delaware
limited liability company, Change Healthcare Solutions, LLC, a Delaware limited liability company, Change Healthcare Finance, Inc., a Delaware corporation, McKesson Technologies LLC, a Delaware limited liability company, PST Services LLC, a Georgia
limited liability company (collectively, the “Company Parties”), the MCK Members (as defined below), the Sponsor Holders (as defined below), HCIT Holdings, Inc., a Delaware corporation (“Echo”) and any other Person
who becomes a party hereto (the “Echo Shareholders”). 
 WITNESSETH: 

WHEREAS, the Holders (as defined below) own Registrable Securities (as defined below); and 

WHEREAS, the parties desire to set forth certain registration rights applicable to the Registrable Securities. 

NOW, THEREFORE, in consideration of the foregoing and the mutual promises, covenants and agreements of the parties hereto, and for other good
and valuable consideration the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 

Section 1. Definitions. Capitalized terms used in this Agreement but not defined herein shall have the meanings ascribed to them
in the Amended and Restated Limited Liability Company Agreement of the Company dated as of March 1, 2017 (the “LLC Agreement”). As used in this Agreement, the following terms have the following respective meanings, and for
the avoidance of doubt the following respective meanings shall be used in the case of any conflicts with meanings ascribed in the LLC Agreement: 

1.1. “Blackstone Holders” means any Holder identified under the caption “Blackstone Holders” on Exhibit A and
their respective Permitted Transferees. 
 1.2. “Board Resolution” means a resolution of the board of directors of Echo that
is approved by a resolution of the board of directors of the Company. 
 1.3. “Common Stock” means the common stock of Echo.

 1.4. “Company Indemnitees” has the meaning set forth in Section 2.7(a). 

  
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 1.5. “Demand Exercise Notice” has the meaning set forth in
Section 2.1(a). 
 1.6. “Demand Registration” has the meaning set forth in Section 2.1(g). 

1.7. “Echo Shareholders” has the meaning set forth in the preamble. 

1.8. “Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations of the SEC
thereunder, all as the same shall be in effect at the time. 
 1.9. “Exercise Window” means, (a) as to Holders who are
MCK Members (or their Permitted Transferees), any period of time during which the MCK Members (or their Permitted Transferees) may Transfer Units or Registrable Securities, as applicable, pursuant to the exercise of registration rights as set forth
in Section 9.01(b) of the LLC Agreement and (b) as to Holders who are Echo Shareholders (or their Permitted Transferees) (including the Sponsor Holders), any period of time during which Echo Shareholders may Transfer Units or Registrable
Securities, as applicable, pursuant to the exercise of registration rights as set forth in Section 9.01(b) of the LLC Agreement. 

1.10. “FINRA” means The Financial Industry Regulatory Authority, Inc. 

1.11. “H&F Holders” means any Holder identified under the caption “H&F Holders” on Exhibit A and
their respective Permitted Transferees. 
 1.12. “Holder” means any MCK Member or Echo Shareholder holding Registrable
Securities. 
 1.13. “Holder Demand” has the meaning set forth in Section 2.1(a). 

1.14. “indemnified party” means any Person seeking indemnification pursuant to Section 2.7. 

1.15. “indemnifying party” means any Person from whom indemnification is sought pursuant to Section 2.7. 

1.16. “Losses” has the meaning set forth in Section 2.7(a). 

1.17. “MCK Member” has the meaning set forth in the LLC Agreement; provided such MCK Member then holds Registrable
Securities. 
 1.18. “Majority Participating Holders” means Participating Holders holding more than 50% of the Registrable
Securities proposed to be included in any offering of Registrable Securities by such Participating Holders pursuant to Section 2.1 or Section 2.2; provided, that (a) during the First Echo Sale Window, “Majority
Participating Holders” shall mean the Blackstone Holders, (b) during the MCK Exit Window, “Majority Participating Holders” shall mean the MCK Members, (c) during the Second Echo Sale Window, “Majority
Participating Holders” shall be determined without reference to any MCK Members participating in such offering and (d) in the event that an H&F Holder is 

  
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the Holder making a Holder Demand in any offering pursuant to Section 2.1 (including any Shelf Underwriting) initiated on or after the Restriction End Date, “Majority Participating
Holders” shall mean the H&F Holders unless and until the H&F Holders have been the Majority Participating Holders in one (1) offering pursuant to this clause (d); provided, that if the H&F Holders have not yet had
the opportunity to participate in any Holder Demand pursuant to Section 2.1(b) or any incidental registration pursuant to Section 2.2 prior to the Restriction End Date, in the event that an H&F Holder is the Holder making a Holder
Demand in any offering pursuant to Section 2.1 (including any Shelf Underwriting) initiated on or after the Restriction End Date, “Majority Participating Holders” for purposes of this clause (d) shall mean the H&F
Holders unless and until the H&F Holders have been the Majority Participating Holders in two (2) offerings pursuant to this clause (d). 

1.19. “Participating Holders” means any Holder participating in any offering of Registrable Securities pursuant to
Section 2.1 or Section 2.2. 
 1.20. “Postponement Period” has the meaning set forth in Section 2.1(i). 

1.21. “Registrable Securities” means any of the following when held by an MCK Member or an Echo Shareholder (or their
respective Permitted Transferees): (i) any Common Stock held by the MCK Members or the Echo Shareholders (or their respective Permitted Transferees) (including Common Stock acquired after the effective date of the Agreement, pursuant to an Exchange
or otherwise) and (ii) any Common Stock into which Units held by the MCK Members (or their respective Permitted Transferees) are exchangeable pursuant to Section 2.3 hereof and Article 9 and Section 11.04(f) of the LLC Agreement. As
to any particular Registrable Securities, such securities shall cease to be Registrable Securities when (a) a registration statement with respect to the sale of such securities shall have become effective under the Securities Act and such
securities shall have been disposed of in accordance with such registration statement, (b) such securities shall have been sold pursuant to Rule 144 under the Securities Act or (c) the Holder of such securities is able to immediately sell
such securities under Rule 144 under the Securities Act without any restrictions on transfer (including without application of paragraphs (c), (d), (e), (f) and (h) of Rule 144); provided, however, in the case of each of the
Sponsor Holders and the MCK Members, such securities shall not cease to be Registrable Securities prior to the later of (i) the expiration of the Second Echo Sale Window and (ii) such time as such Sponsor Holder, together with its
Affiliates, beneficially owns less than 2% of the outstanding shares of Common Stock, together with any Units exchangeable into Common Stock. 

1.22. “Registration Expenses” means all fees and expenses incurred in connection with the Company’s and Echo’s
performance of or compliance with Section 2 hereof, including, without limitation, (i) all registration, filing and applicable SEC fees, FINRA fees, listing fees, and fees and expenses of complying with state or foreign securities or blue
sky laws (including fees and disbursements of counsel to the underwriters and the Participating Holders in connection with “blue sky” qualification of the Registrable Securities and determination of their eligibility for investment under
the laws of the various jurisdictions), (ii) all printing (including printing certificates for the Registrable Securities 

  
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in a form eligible for deposit with The Depository Trust Company and printing preliminary and final prospectuses), word processing, duplicating, telephone and facsimile expenses, and messenger
and delivery expenses, (iii) all fees and disbursements of counsel for the Company and/or Echo and of their respective independent public accountants, including the expenses of “cold comfort” letters or any special audits required by,
or incident to, such registration and the fees and expenses of any other independent public accountant that is requested to provide “cold comfort” on financial statements required to be included in the registration statement, (iv) all
fees and expenses of counsel to Echo and to the Holders, including a local counsel if required, (v) all transfer taxes and (vi) all expenses incurred in connection with promotional efforts or “roadshows”; provided,
however, that Registration Expenses shall exclude, and the Participating Holders shall pay, underwriting discounts and commissions in respect of the Registrable Securities being registered for such Participating Holders. 

1.23. “Restriction End Date” means the first date on which either clause (vii) or clause (viii) of
Section 9.01(b) of the LLC Agreement is applicable. 
 1.24. “SEC” means the Securities and Exchange Commission. 

1.25. “Section 2.2 Sale Amount” has the meaning set forth in Section 2.2(c). 

1.26. “Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations of the SEC thereunder, all
as the same shall be in effect at the time. 
 1.27. “Shelf Registrable Securities” has the meaning set forth in
Section 2.1(j). 
 1.28. “Shelf Registration Statement” has the meaning set forth in Section 2.1(j). 

1.29. “Shelf Underwriting” has the meaning set forth in Section 2.1(j). 

1.30. “Shelf Underwriting Notice” has the meaning set forth in Section 2.1(j). 

1.31. “Shelf Underwriting Request” has the meaning set forth in Section 2.1(j). 

1.32. “Sponsor Holders” means, collectively, the Blackstone Holders and the H&F Holders. 

1.33. “WKSI” means a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. 

Section 2. Registration Under Securities Act. 

2.1. Registration on Demand. 

(a) Demand. Subject to the provisions of this Agreement and the LLC Agreement, at any time and from time to time during an Exercise
Window, one or more Holders shall have the right to require Echo to effect the registration under the Securities Act of all or part of the Registrable Securities held by such Holders, including by means of

  
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a shelf registration statement pursuant to Rule 415 under the Securities Act if so requested and if Echo is then eligible to use such registration (any such demanded registration that is not an
IPO Demand, a “Demand Registration”), by delivering a written request therefor to Echo that specifies the number of Registrable Securities held by such Holders to be registered and the intended method of distribution thereof (such a
request, a “Holder Demand”). As promptly as practicable, but no later than two (2) Business Days after receipt of a Holder Demand, Echo shall give written notice (the “Demand Exercise Notice”) of the Holder
Demand to the Company and all other Holders. Such Holders shall have the option, within five (5) Business Days after the receipt of the Demand Exercise Notice, to request, in writing, that Echo include in such registration any Registrable
Securities held by such Holder (which request shall specify the maximum number of Registrable Securities intended to be disposed of by such Holder). If Echo is a WKSI on the date of the Holder Demand, then the Holder Demand may request registration
of an unspecified amount of Registrable Securities to be sold by the unspecified Holders. If Echo is not a WKSI on the date of the Holder Demand, then the Holder Demand shall specify the aggregate amount of Registrable Securities to be registered.
Echo shall provide to a Holder the information necessary to determine Echo’s status as a WKSI upon request. To the extent Echo is a WKSI at the time any Holder Demand is made to Echo, and such Holder Demand requests that Echo file an automatic
shelf registration statement (as defined in Rule 415 under the Securities Act) (an “automatic shelf registration statement”) on Form S-3, Echo shall file an automatic shelf registration
statement that covers those Registrable Securities which are requested to be registered or, if requested, an unspecified amount of Registrable Securities. Echo shall use its reasonable best efforts to remain a WKSI (and not become an ineligible
issuer (as defined in Rule 415 under the Securities Act)) during the period during which such automatic shelf registration statement is required to remain effective. If the automatic shelf registration statement has been outstanding for at least
three (3) years, at the end of the third year Echo shall upon request refile a new automatic shelf registration statement covering the Registrable Securities. If at any time when Echo is required to
re-evaluate its WKSI status, Echo determines that it is not a WKSI, Echo shall use its reasonable best efforts to refile the shelf registration statement on Form S-3
and, if such form is not available, Form S-1, and keep such registration statement effective during the period during which such registration statement is required to be kept effective. Echo shall, as
expeditiously as reasonably possible, file a registration statement (the “Demand Registration Statement”) with the SEC for the registration of the Registrable Securities which Echo has been requested by Holders to register pursuant
to this Section 2.1 and to use its reasonable best efforts to cause the Demand Registration Statement to be promptly (and in any case within 60 days after filing such Demand Registration Statement) declared effective under the Securities Act.
Echo shall use its reasonable best efforts to effect the registration of Registrable Securities for distribution in accordance with the intended method of distribution set forth in a written request delivered by the Majority Participating Holders
or, in the case of a Shelf Registration Statement, any Holder. 
 (b) Limitations on the Holders During Specified Periods; Tag-Along Rights. 

  
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 (i) For the avoidance of doubt, (A) no Holder may exercise registration
rights hereunder in connection with a Qualified IPO (including any Tag-Along Right (as defined below)), (B) during the First Echo Sale Window: (i) only the Blackstone Holders shall be permitted to request
any Demand Registration pursuant to this Agreement and (ii) the Echo Shareholders that are not Blackstone Holders and the MCK Members shall both be permitted to exercise rights under Section 2.1(b)(ii), (C) during an MCK Exit Window, the
Echo Shareholders shall not be permitted to request any Demand Registration pursuant to this Agreement and the Echo Shareholders shall be permitted to exercise rights under Section 2.1(b)(iii), and (D) during the Second Echo Sale Window:
(i) only the Sponsor Holders shall be permitted to request any Demand Registration pursuant to this Agreement and the MCK Members and any Echo Shareholders that do not participate in such demand shall be permitted to exercise rights under
Section 2.1(b)(iv). 
 (ii) During the First Echo Sale Window, the Blackstone Holders shall only be permitted to make a
Holder Demand for one or more underwritten offerings and the Echo Shareholders that are not Blackstone Holders and the MCK Members (and their Permitted Transferees) (in each case, a “Tagging Seller”) shall have the right, but not
the obligation (a “Tag-Along Right”), to require Echo to include in the Demand Registration up to an aggregate number of shares of Common Stock representing each Tagging Seller’s Tag-Along Portion (such shares, the “Tag-Along Shares”), subject to Section 2.1(h) and Section 2.1(k). For the purposes of this Agreement, subject
to Section 2.1(k), “Tag-Along Portion” means, with respect to any Tagging Seller, a number of shares of Common Stock equal to (A) the number of Registrable Securities owned by such
Tagging Seller at such time, multiplied by (B) a fraction, (1) the numerator of which is the number of shares of Common Stock proposed to be registered in the Demand Registration by the Blackstone Holders, and (2) the denominator of
which is the aggregate number of shares of Registrable Securities held by all Blackstone Holders prior to giving effect to any Exchange associated with such Demand Registration or any sales of Registrable Securities pursuant to such Demand
Registration. 
 (iii) During an Exercise Window that is within the MCK Exit Window, the MCK Members shall only be permitted
to make a Holder Demand for one or more underwritten offerings and the Echo Shareholders (in this case, the “Tagging Sellers”) shall have the right, but not the obligation, to require Echo to include in the Demand Registration up to
an aggregate number of shares of Common Stock representing each Tagging Seller’s Tag-Along Portion, subject to Section 2.1(h) and Section 2.1(k); provided, that the defined terms
“Tagging Seller,” “Tag-Along Right” and “Tag-Along Shares” shall be used, as applicable, to refer to the Echo
Shareholders and their Registrable Securities, mutatis mutandis. For the purposes of this Section 2.1(b)(iii), subject to Section 2.1(k), “Tag-Along Portion” means,
with respect to any Tagging Seller, a number of shares of Common Stock equal to (A) the number of Registrable Securities owned by such Tagging Seller at such time, multiplied by (B) a fraction, (1) the numerator of which is the number
of shares of Common Stock proposed to be registered in the Demand 

  
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Registration by the MCK Members, and (2) the denominator of which is the aggregate number of shares of Registrable Securities held by all MCK Members prior to giving effect to any Exchange
associated with such Demand Registration or any sales of Registrable Securities pursuant to such Demand Registration. 
 (iv)
In any Holder Demand not described in Section 2.1(b)(ii) or Section 2.1(b)(iii) above, any Holder that did not participate in such Holder Demand (and their Permitted Transferees) (in this case, the “Tagging Sellers”) shall
have the right, but not the obligation, to require Echo to include in the Demand Registration such number of shares of Common Stock as each such Holder may request in writing, subject to Section 2.1(h) and Section 2.1(k). 

(c) Registration Statement Form. Registrations under this Section 2.1 shall be on such appropriate form of the SEC (i) as
shall be selected by Echo and as shall be reasonably acceptable to the Majority Participating Holders and (ii) as shall permit the disposition of such Registrable Securities in accordance with the intended method or methods of disposition
specified in such Participating Holders’ requests for such registration, including, without limitation, a continuous or delayed basis offering pursuant to Rule 415 under the Securities Act. Echo agrees to include in any such registration
statement all information which, in the opinion of counsel to Echo, is necessary or desirable to be included therein. 
 (d) Expenses.
The Company shall pay, and shall be responsible for, all Registration Expenses in connection with any registration requested or offering effected pursuant to this Section 2.1, including all expenses of the delivery of all documents required
under Section 2.4(a)(vi). 
 (e) Selection of Underwriters. The underwriters of each underwritten offering of the Registrable
Securities pursuant to this Section 2.1 shall be selected by the Majority Participating Holders; provided, that, except in the case of a “block trade,” such selection is subject to the consent of Echo (which is not to be
unreasonably withheld). 
 (f) Right to Withdraw; Option to Participate in Shelf Takedowns. Subject to Section 2.1(j), any
Participating Holder shall have the right to withdraw its request for inclusion of Registrable Securities in any registration statement pursuant to this Section 2.1 at any time prior to the effective date of such registration statement by
giving written notice to Echo of its request to withdraw. Upon receipt of notices from each of the Participating Holders to withdraw their request for inclusion of Registrable Securities in any registration statement, Echo shall cease all efforts to
obtain effectiveness of the applicable registration statement. In the event that any Holder has requested inclusion of Registrable Securities in a shelf registration, the Holder shall have the right, but, subject to Section 2.1(j), not the
obligation, to participate in any offering of Registrable Securities under such shelf registration. 

  
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 (g) Limitations on Registration on Demand. Following the Restriction End Date, Echo
shall not be required to have a registration statement declared effective pursuant to a Demand Registration until at least 90 days after the effective date of any other registration statement filed by Echo pursuant to a previous Demand Registration.
The aggregate offering value of the Registrable Securities to be registered pursuant to any such registration shall be at least $100 million (determined as of the date the Holder Demand is made), unless the registration demand is for the
balance of the Registrable Securities held by the applicable Holder making a Holder Demand and its Affiliates. 
 (h) Priority in
Registrations on Demand. Whenever Echo effects a registration pursuant to this Section 2.1 in connection with an underwritten offering by Holders, no securities other than Registrable Securities held by Holders shall be included among the
securities covered by such registration unless the Majority Participating Holders consent in writing to the inclusion therein of such other securities and the inclusion of such other securities does not reduce the amount of Registrable Securities
that may be included in such offering by the Participating Holders, which consent may be subject to terms and conditions determined by the consenting Holders in their sole discretion. If any registration pursuant to a Holder Demand involves an
underwritten offering and the managing underwriter(s) of such offering shall inform Echo in writing of its belief that the number of Registrable Securities requested to be included in such registration pursuant to this Section 2.1, when added
to the number of any such other securities permitted to be offered in such registration, would materially adversely affect such offering, or if, in the case of an offering during the First Echo Sale Window, an MCK Exit Window or the Second Echo Sale
Window, the Majority Participating Holders in their sole discretion shall determine that the inclusion of such additional securities would materially adversely affect such offering, then, subject to the last sentence of this Section 2.1(h), the
Participating Holders shall be entitled to participate only on a pro rata basis based on the number of Registrable Securities held by each such Participating Holder; provided, that if such offering is conducted during the First Echo Sale
Window, an MCK Exit Window (but only in respect of the first Demand Registration requested by any MCK Member during the MCK Exit Window) or the Second Echo Sale Window, then, subject to Section 2.1(k), the number of Registrable Securities
included in such Demand Registration by the Tagging Sellers shall be reduced at the sole discretion of the Majority Participating Holders prior to any reduction in the number of Registrable Securities included in such Demand Registration by the
Majority Participating Holders. 
 (i) Postponement. If the filing, initial effectiveness or continued use of a registration statement
required to be prepared and filed by it pursuant to this Section 2.1 at any time would require Echo to make an Adverse Disclosure, Echo shall be entitled, pursuant to a Board Resolution, once in any twelve-month period, to postpone for a
reasonable period of time (but not exceeding 90 days) (the “Postponement Period”) the filing, initial effectiveness or continued use of such registration statement; provided, that no such Postponement Period shall extend the
length of any Exercise Window. In such event, Echo shall immediately give the Participating Holders written notice of such determination, containing a specific statement of the reasons for such postponement and an approximation of the anticipated
delay, and, after receipt of such notice, such Participating Holders agree to suspend use of the applicable registration statement until the end of the Postponement Period. Echo shall immediately notify such Participating Holders in writing upon the
expiration of any Postponement Period, amend or supplement the registration statement (and the included prospectus), if necessary, so it does not contain 

  
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any untrue statement or omission and furnish to the Participating Holders such numbers of copies of such registration statement as so amended or supplemented as the Participating Holders may
reasonably request. “Adverse Disclosure” means public disclosure of material non-public information that, in the good faith judgment of Echo, upon advice of counsel and as authorized by a
Board Resolution, would require premature disclosure of any material financing, material corporate reorganization or other material transaction, obligation, fact or event involving Echo or the Company, as the case may be. 

(j) Shelf Takedowns. In the event that Echo files a shelf registration statement under Rule 415 of the Securities Act pursuant to
a Holder Demand and such registration becomes effective (such registration statement, a “Shelf Registration Statement”), any Holder of Registrable Securities registered on such Shelf Registration Statement shall have the right at
any time or from time to time to elect to sell Registrable Securities in an underwritten offering, including a “block trade” conducted as an underwritten offering, pursuant to such registration statement (“Shelf Registrable
Securities”) or in any other manner contemplated by the “Plan of Distribution” in such registration statement. Any Holder making a Holder Demand may make such election by delivering to Echo a written request (a “Shelf
Underwriting Request”) for such underwritten offering to Echo specifying the number of Shelf Registrable Securities that such Holder desires to sell pursuant to such underwritten offering (the “Shelf Underwriting”). As
promptly as practicable, but no later than two (2) Business Days after receipt of a Shelf Underwriting Request (or, in the case of a “block trade,” such shorter period as is reasonably practicable), Echo shall give written notice (the
“Shelf Underwriting Notice”) of such Shelf Underwriting Request to all Holders of Shelf Registrable Securities, and the Shelf Underwriting Notice shall offer each Holder the opportunity to include in the Shelf Underwriting
that number of Registrable Securities as each such Holder may request in writing in accordance with this Section 2.1(j). Echo shall include in such Shelf Underwriting (x) the Shelf Registrable Securities of the Holders making the Shelf
Underwriting Request and (y) the Shelf Registrable Securities of any other Holder of Shelf Registrable Securities which shall have made a written request to Echo for inclusion in such Shelf Underwriting (which request shall specify the maximum
number of Shelf Registrable Securities intended to be disposed of by such Holder) (such persons, “Potential Takedown Participants”) within three (3) Business Days after the Shelf Underwriting Notice has been delivered (or, in
the case of a “block trade,” one (1) Business Day). If such Shelf Underwriting is being conducted as a “block trade,” any Potential Takedown Participant’s request to participate in such Shelf Underwriting shall be
binding on the Potential Takedown Participant; provided that each such Potential Takedown Participant that elects to participate may condition its participation on such Shelf Underwriting being completed within ten (10) Business Days
and/or its acceptance at a price per share (after giving effect to any underwriters’ discounts or commissions) to such Potential Takedown Participant of not less than ninety two percent (92%) (or such lesser percentage specified by such
Potential Takedown Participant) of the closing price for the shares of Common Stock on their principal trading market on the Business Day immediately prior to such Potential Takedown Participant’s election to participate. Echo shall, as
expeditiously as possible, use its reasonable best efforts to facilitate such Shelf Underwriting. Once a Shelf Registration Statement has been declared effective, the Holders of Registrable Securities may request, and Echo shall be required to
facilitate, an unlimited 

  
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number of Shelf Underwritings with respect to such Shelf Registration Statement; provided, however, that Echo shall not be required to facilitate a Shelf Underwriting until at least
90 days after the later of the date of the underwriting agreement in any prior Shelf Underwriting effected pursuant to this Section 2.1(j) and the effective date of any previous Demand Registration Statement pursuant to this Section 2.1.
Notwithstanding anything to the contrary in this Section 2.1(j), (A) each Shelf Underwriting must include, in the aggregate (based on the shares of Common Stock included in such Shelf Underwriting by all Holders participating in such Shelf
Underwriting), shares of Common Stock having an aggregate market value of at least $100 million (determined as of the date the Shelf Underwriting Request is made), unless the Shelf Underwriting is of the balance of the Registrable Securities
held by the applicable Holder making a Holder Demand and its Affiliates and (B) each Shelf Underwriting is subject to Section 2.1(k). 

(k) H&F Priority Sale Right. Anything in this Agreement to the contrary notwithstanding, in any underwritten offering pursuant to
this Section 2.1 or Section 2.2 in which the H&F Holders are participating and that is initiated prior to the two-year anniversary of the Restriction End Date (an “H&F Priority
Offering”), the number of Registrable Securities that the Blackstone Holders, the H&F Holders and the other Holders shall be entitled to include in such offering (including any Shelf Underwriting) shall, subject to Section 2.1(h)
or 2.2(c), as applicable (as modified by the immediately succeeding sentence), be determined as follows: (i) if the Blackstone Holders are the Holders making a Holder Demand, then (A) the Tag-Along
Portion of the H&F Holders will be that percentage that would result in the H&F Holders being able to sell in such offering a number of Registrable Securities equal to (x) the number of Registrable Securities being sold by the
Blackstone Holders in such offering or (y) if the H&F Holders own Registrable Securities with an aggregate market value of less than $100 million (determined as of the date the relevant Demand Exercise Notice, Shelf Underwriting
Request or Incidental Registration Notice (as defined below), as applicable, is delivered), then all of the Registrable Securities owned by the H&F Holders and (B) the Tag-Along Portion of each other
Tagging Seller will equal the greater of (x) the Tag-Along Portion of such Tagging Seller determined without giving effect to this Section 2.1(k) and (y) a number of shares of Common Stock equal
to (A) the aggregate number of shares of Registrable Securities owned by such Tagging Seller at such time multiplied by (B) a fraction, (1) the numerator of which is the aggregate number of shares of Common Stock proposed to be
included in such offering by the Blackstone Holders and the H&F Holders and (2) the denominator of which is the aggregate number of Registrable Securities owned by the Blackstone Holders and the H&F Holders at such time, (ii) if
the H&F Holders are the Holders making a Holder Demand, then (A) the Tag-Along Portion of the Blackstone Holders will be that percentage that would result in the Blackstone Holders being able to sell
in such offering a number of Registrable Securities equal to the number of Registrable Securities being sold by the H&F Holders in such offering and (B) the Tag-Along Portion of each other Tagging
Seller will equal a number of shares of Common Stock equal to (A) the aggregate number of shares of Registrable Securities owned by such Tagging Seller at such time multiplied by (B) a fraction, (1) the numerator of which is the
aggregate number of shares of Common Stock proposed to be included in such offering by the H&F Holders and the Blackstone Holders and (2) the denominator of which is the aggregate number of Registrable Securities owned by the H&F
Holders and the Blackstone Holders at such time 

  
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and (iii) if the Holder making a Holder Demand is not an H&F Holder or a Blackstone Holder or the offering is pursuant to Section 2.2, then the number of Registrable Securities that
the Blackstone Holders and the H&F Holders shall be entitled to include in such offering shall be aggregated for purposes of determining (A) the Tag-Along Portion for the Blackstone Holders and/or the
H&F Holders, as applicable, and (B) for determining the number of Registrable Securities that may be sold by the Blackstone Holders and the H&F Holders under any circumstances when the proviso in Section 2.1(h) is applicable and
(x) then allocated to the Blackstone Holders and the H&F Holders in accordance with their respective Allocation Percentages (as defined below) and (y) to the extent that the H&F Holders do not request the inclusion of all of the
Registrable Securities they are entitled to include in such offering pursuant to clause (x), then the number of Registrable Securities the Blackstone Holders shall be entitled to include in such offering shall be increased by the amount that the
H&F Holders could have included pursuant to clause (x) but chose not to, provided that under no circumstances will the Blackstone Holders be entitled to include pursuant to this clause (iii) a number of Registrable Securities that
exceeds the number they could have included but for this Section 2.1(k). Anything in Section 2.1(h) or 2.2(c) to the contrary notwithstanding, in the event of any H&F Priority Offering in which the number of Registrable Securities
offered by the Holders will be cut back pursuant to Section 2.1(h) or 2.2(c) then, (1) the aggregate amount of Registrable Securities that may be offered and sold by the Blackstone Holders and the H&F Holders for purposes of such
Section shall be determined on an aggregate basis treating the Blackstone Holders as Participating Holders regardless of whether they are offering and selling any Registrable Securities in such offering and (2) to the extent that the aggregate
amount that may be sold by the H&F Holders and the Blackstone Holders in accordance with clause (1) is less than the aggregate amount requested to be included by the H&F Holders and the Blackstone Holders, then the aggregate amount that
may be sold in such offering as determined in accordance with clause (1) shall be allocated between the H&F Holders (in the aggregate) and the Blackstone Holders (in the aggregate) in accordance with their respective Allocation Percentages.
The “Allocation Percentages” of (I) the H&F Holders shall equal 50%, provided that if the H&F Holders own Registrable Securities with an aggregate market value of less than $100 million (determined as of the date
the relevant Demand Exercise Notice, Shelf Underwriting Request or Incidental Registration Notice, as applicable, is delivered), then the Allocation Percentage of the H&F Holders will equal the lesser of 100% and the percentage that results in
the H&F Holders being able to sell in such offering all of their Registrable Securities and (II) the Allocation Percentage of the Blackstone Holders will equal 100% minus the H&F Allocation Percentage. 

2.2. Incidental Registration. 

(a) Right to Include Registrable Securities. If Echo at any time following the commencement of the Second Echo Sale Window proposes to
register any of its equity securities under the Securities Act by registration on Form S-1 or Form S-3, or any successor or similar form(s) (except registrations
(i) pursuant to Section 2.1, (ii) solely for registration of equity securities in connection with an employee benefit plan or dividend reinvestment plan on Form S-8 or any successor form thereto or
(iii) in connection with any acquisition or merger on Form S-4 or any successor form thereto), whether or not for sale for its own account, it will each such time give prompt written notice to each of

  
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the Holders of its intention to do so (an “Incidental Registration Notice”) and such notice shall offer the Holders of Registrable Securities the opportunity to register under
such registration statement such number of Registrable Securities as each such Holder may request in writing. Upon the written request of any such Holders (which request shall specify the maximum number of Registrable Securities intended to be
registered by such Holder), made as promptly as practicable and in any event within three (3) Business Days after the receipt of any such notice, Echo shall include in such registration under the Securities Act all Registrable Securities which
Echo has been so requested to register by each Holder (subject to Section 2.2(c)); provided, however, that if, at any time after giving written notice of its intention to register any equity securities and prior to the effective
date of the registration statement filed in connection with such registration, Echo shall determine pursuant to a Board Resolution not to register or to delay registration of such equity securities, the Company and Echo shall give written notice of
such determination and its reasons therefor to the Holders and (i) in the case of a determination not to register, Echo shall be relieved of its obligation to register any Registrable Securities in connection with such registration (but the
Company shall not be relieved from any obligation to pay the Registration Expenses in connection therewith as provided for in Section 2.2(d)) and (ii) in the case of a determination to delay registering, shall be permitted to delay
registering any Registrable Securities for the same period as the delay in registering such other securities and, in the case of each of (i) and (ii) directly above, without prejudice to the rights of the Holders to request that such
registration be effected as a registration under Section 2.1. No registration effected under this Section 2.2 shall relieve Echo of its obligation to effect any registration upon request under Section 2.1. 

(b) Right to Withdraw; Option to Participate in Shelf Takedowns. Any Holder shall have the right to withdraw its request for inclusion
of Registrable Securities in any registration statement pursuant to this Section 2.2 at any time prior to the effective date of such registration statement by giving written notice to Echo of its request to withdraw. In the event that the
Holder has requested inclusion of Registrable Securities in a shelf registration, the Holder shall have the right, but, subject to Section 2.1(j), not the obligation, to participate in any offering of Registrable Securities under such shelf
registration. 
 (c) Priority in Incidental Registrations. If any registration pursuant to this Section 2.2 involves an
underwritten offering and the managing underwriter(s) of such offering shall inform Echo in writing of its belief that the number of Registrable Securities requested to be included in such registration or offering, when added to the number of other
equity securities to be offered in such registration or offering, would materially adversely affect such offering, then Echo shall include in such registration or offering, to the extent of the number and type which Echo so advised can be sold in
(or during the time of) such registration or offering without so materially adversely affecting such registration or offering (the “Section 2.2 Sale Amount”): (i) all of the securities proposed by Echo to be sold
for its own account; and (ii) thereafter, to the extent the Section 2.2 Sale Amount is not exceeded, the Registrable Securities requested by the Participating Holders (provided that if all of the Registrable Securities requested by the
Participating Holders may not be included, the Participating Holders shall, subject to Section 2.1(k), be entitled to participate on a pro rata basis based on the aggregate number of Registrable Securities held by the Participating
Holders). 

  
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 (d) Expenses. The Company shall pay, and shall be responsible for, all Registration
Expenses in connection with any registration requested or offering effected pursuant to this Section 2.2 (other than underwriting discounts and commissions payable by Participating Holders with regard to shares of Common Stock sold by such
Holders), including all expenses of the delivery of all documents required under Section 2.4(a)(vi). 
 (e) Selection of
Underwriters. The underwriters of each underwritten offering of the Registrable Securities pursuant to this Section 2.2 shall be selected by a Board Resolution. 

2.3. Exchanges of Units. Immediately prior to the consummation of any sale by an MCK Member (or its Permitted Transferees) of shares of
Common Stock in an offering registered pursuant to Section 2.1 or Section 2.2, Echo shall issue to such MCK Member (or its Permitted Transferee) a number of shares of Common Stock equal to the number of Units to be exchanged and sold in
such offering by such MCK Member (or its Permitted Transferee) in accordance with the Exchange procedures set forth in Section 11.04(f) of the LLC Agreement. 

2.4. Registration Procedures. 

(a) If and whenever Echo is required to effect a registration or offering of any Registrable Securities under the Securities Act pursuant to
either Section 2.1 or Section 2.2 hereof (including without limitation any offering pursuant to Section 2.1(j) or 2.2(a) hereof), Echo shall, and shall cause the Company as necessary, as expeditiously as possible, to: 

(i) prepare and file with the SEC as soon as practicable a registration statement on an appropriate registration form of the
SEC for the disposition of such Registrable Securities in accordance with the intended method of disposition thereof, which registration statement shall comply as to form in all material respects with the requirements of the applicable form and
include all financial statements required by the SEC to be filed therewith, and thereafter use its reasonable best efforts to cause such registration statement to become effective as soon thereafter as reasonably possible and in any event within 60
days and remain effective (A) with respect to an underwritten offering, for a period of at least 180 days or until all equity interests subject to such registration statement have been sold, and (B) with respect to a shelf registration,
until the earlier of (1) the sale of all Registrable Securities thereunder and (2) the third anniversary of the effective date of such shelf registration; 

(ii) prepare and file with the SEC any amendments and supplements to such registration statement and the prospectus used in
connection therewith as may be necessary to keep such registration statement effective and to comply with the provisions of the Securities Act with respect to the disposition of all Registrable Securities covered by such registration statement in
accordance with the intended methods of disposition by the Participating Holders set forth in such registration statement for such period as provided for in Section 2.4(a)(i) above; 

  
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 (iii) furnish, without charge, to each Participating Holder and each
underwriter such number of conformed copies of such registration statement and of each such amendment and supplement thereto (in each case including all exhibits), such number of copies of the prospectus contained in such registration statement
(including each preliminary prospectus and summary prospectus) and any other prospectus filed under Rule 424 under the Securities Act, in conformity with the requirements of the Securities Act, and such other documents, as the Participating Holders
and such underwriters may request (it being understood that Echo consents to the use of such prospectus or any amendment or supplement thereto by each Participating Holder and the underwriters in connection with the offering and sale of the
Registrable Securities covered by such prospectus or any amendment or supplement thereto); 
 (iv) use its reasonable best
efforts (A) to register or qualify all Registrable Securities and other securities covered by such registration statement under such foreign or state securities or “blue sky” laws where an exemption is not available and as the
Participating Holders or any managing underwriter shall request, (B) to keep such registration or qualification in effect for so long as such registration statement remains in effect, and (C) to take any and all other actions which may be
necessary or advisable to enable the Participating Holders or underwriters to consummate the disposition in such jurisdictions of the securities to be sold by the Participating Holders or Echo, except that Echo shall not for any such purpose be
required to qualify generally to do business as a foreign company in any jurisdiction wherein it would not, but for the requirements of this Section 2.4(a)(iv), be obligated to be so qualified; 

(v) use its reasonable best efforts to cause all Registrable Securities covered by such registration statement to be registered
with or approved by such other governmental agencies or authorities as may be necessary in the opinion of counsel to Echo and counsel to the Participating Holders to consummate the disposition of such Registrable Securities; 

(vi) furnish to each Participating Holder and each underwriter a signed counterpart of (A) an opinion of one or more
counsel (including local counsel, if applicable) for Echo, (B) a “comfort” letter signed by the independent public accountants who have certified Echo’s or any acquired entity’s or any other financial statements included or
incorporated by reference in such registration statement, in each case, addressed to each Participating Holder and each underwriter covering matters with respect to such registration statement (and the prospectus included therein) as the
Participating Holders and managing underwriter(s) shall request and (C) if requested by the managing underwriter(s), a certificate executed by the Chief Financial Officer or the Chief Accounting Officer of Echo attesting to the material
accuracy of any financial information not “comforted” by such independent public accountants; provided that, with respect to (B) above, if such accountants are prohibited from addressing such letters to a Participating Holder
by applicable standards of the accounting profession, Echo shall cause an “agreed-upon procedures” letter to be furnished; 

  
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 (vii) promptly notify each Participating Holder and each managing
underwriter (A) when such registration statement, any pre-effective amendment, the prospectus or any prospectus supplement related thereto or post-effective amendment to such registration statement has
been filed, and, with respect to such registration statement or any post-effective amendment, when the same has become effective; (B) of the receipt by Echo of any comments from the SEC or receipt of any request by the SEC for additional
information with respect to any registration statement or the prospectus related thereto or any request by the SEC for amending or supplementing the registration statement and the prospectus used in connection therewith; (C) of the issuance by
the SEC of any stop order suspending the effectiveness of such registration statement or the initiation of any proceedings for that purpose; (D) of the receipt by Echo of any notification with respect to the suspension of the qualification of
any of the Registrable Securities for sale under the securities or “blue sky” laws of any jurisdiction or the initiation of any proceeding for such purpose; and (E) at any time when a prospectus relating thereto is required to be
delivered under the Securities Act, upon discovery that, or upon the happening of any event as a result of which, the prospectus included in such registration statement, as then in effect, includes an untrue statement of a material fact or omits to
state any material fact required to be stated therein or necessary to make the statements therein not misleading, in the light of the circumstances under which they were made, and in the case of this clause (E), promptly prepare and furnish, at the
Company’s expense, to each Participating Holder and each managing underwriter, and file with the SEC, a number of copies of a supplement to or an amendment of such prospectus as may be necessary so that, as thereafter delivered to the
purchasers of such securities, such prospectus shall not include an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading in the light of the
circumstances under which they were made; and (F) at any time when the representations and warranties of Echo or the Company contemplated by Section 2.5(a) or (b) hereof cease to be true and correct; 

(viii) otherwise comply with all applicable rules and regulations of the SEC, and make available to its security holders, as
soon as practicable (and in any event within 16 months after the effective date of the registration statement), an earnings statement covering the period of at least twelve consecutive months beginning with the first full calendar month after the
effective date of such registration statement, which earnings statement shall satisfy the provisions of Section 11(a) of the Securities Act and Rule 158 promulgated thereunder; 

(ix) provide and cause to be maintained a transfer agent and registrar for all Registrable Securities covered by such
registration statement from and after a date not later than the effective date of such registration statement; 

  
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 (x) (A) use its reasonable best efforts to cause all Registrable Securities
covered by such registration statement to be listed on the principal securities exchange on which shares of Common Stock are then listed (if any), if the listing of such Registrable Securities is then permitted under the rules of such exchange, or
(B) if shares of Common Stock are not then so listed, use its reasonable best efforts to cause all such Registrable Securities to be listed on a national securities exchange in the U.S.; 

(xi) deliver promptly to counsel to the Participating Holders and each underwriter, if any, participating in the offering of
the Registrable Securities, copies of all correspondence between the SEC and Echo, its counsel or auditors and all memoranda relating to discussions with the SEC or its staff with respect to such registration statement; 

(xii) use its reasonable best efforts to obtain the withdrawal of any order suspending the effectiveness of the registration
statement; 
 (xiii) provide a CUSIP number for all Registrable Securities, no later than the effective date of the
registration statement, and provide the applicable transfer agents with printed certificates (if required) for the Registrable Securities which are in a form eligible for deposit with The Depository Trust Company; 

(xiv) cause its officers and employees to participate in, and to otherwise facilitate and cooperate with the preparation of the
registration statement and prospectus and any amendments or supplements thereto (including participating in meetings, drafting sessions, due diligence sessions and the marketing of the Registrable Securities covered by the registration statement
(including, without limitation, participation in “road shows”)), taking into account the Company’s business needs and obligations; 

(xv) enter into and perform its obligations under such customary agreements (including, without limitation, customary lock-up agreements for Echo, the Company and the directors and officers of the Company and, if applicable, an underwriting agreement as provided for in Section 2.5 herein) and take such other actions as the
Participating Holders or managing underwriter(s) shall request in order to expedite or facilitate the disposition of such Registrable Securities, including appointing an agent for service of process in the U.S. on customary terms; 

(xvi) promptly incorporate in a prospectus supplement or post-effective amendment such information as the managing
underwriter(s) or Participating Holders request to be included therein relating to the plan of distribution with respect to such Registrable Securities; and make all required filings of such prospectus supplement or post-effective amendment as soon
as practicable after being notified of the matters to be incorporated in such prospectus supplement or post-effective amendment; 

  
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 (xvii) cooperate with each Participating Holder and each underwriter, and
their respective counsel, in connection with any filings or submissions required to be made with FINRA, the New York Stock Exchange, The NASDAQ Stock Market or any other securities exchange on which such Registrable Securities are traded or will be
traded; 
 (xviii) include in any prospectus supplement, if requested by any managing underwriter, updated financial
information for Echo’s (and/or the Company’s) most recent or current quarterly period (including estimated results or ranges of results) if required for purposes of marketing the offering in the view of the managing underwriter; 

(xix) promptly prior to the filing of any document that is to be incorporated by reference into the registration statement or
the prospectus contained therein (after the initial filing of such registration statement), provide copies of such document to counsel for the Participating Holders and to each managing underwriter, and make Echo’s representatives available for
discussion of such document and make such changes in such document concerning the Participating Holders prior to the filing thereof as counsel for such Participating Holders or underwriters may request; 

(xx) furnish to each Participating Holder and each managing underwriter(s), without charge, at least one signed copy of the
registration statement and any post-effective amendments thereto, including financial statements and schedules, all documents incorporated therein by reference and all exhibits (including those incorporated by reference); 

(xxi) cooperate with the Participating Holders and the managing underwriter(s) to facilitate the timely preparation and
delivery of certificates not bearing any restrictive legends representing the Registrable Securities to be sold, and cause such Registrable Securities to be issued in such denominations and registered in such names in accordance with the
underwriting agreement prior to any sale of Registrable Securities to the underwriters or, if not an underwritten offering, in accordance with the instructions of the Participating Holders at least five business days prior to any sale of Registrable
Securities, and instruct any transfer agent or registrar of Registrable Securities to release any stop transfer orders in respect thereof; 

(xxii) to the extent required by the rules and regulations of FINRA, retain a Qualified Independent Underwriter (as defined by
FINRA), which shall be acceptable to the Majority Participating Holders; and 
 (xxiii) take no direct or indirect action
prohibited by Regulation M under the Exchange Act; provided, however, that to the extent that any prohibition is applicable to Echo, Echo will take such action as is necessary to make any such prohibition inapplicable. 

  
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 (b) If and whenever Echo is required to effect a registration or offering of any Registrable
Securities under the Securities Act pursuant to either Section 2.1 or Section 2.2 hereof (including without limitation any offering pursuant to Section 2.1(j) or 2.2(a) hereof), the Company shall as expeditiously as possible: 

(i) cooperate with Echo to prepare any financial statements of the Company or any other entity required by the Securities Act
to be included in the registration statement relating to the offer of such Registrable Securities; and 
 (ii) use its
reasonable best efforts to take any and all other actions reasonably requested by Echo which may be necessary or advisable to enable the Participating Holders or underwriters to consummate the disposition in such jurisdictions of the securities to
be sold by the Participating Holders or Echo, except that the Company shall not for any such purpose be required to qualify generally to do business as a foreign company in any jurisdiction wherein it would not, but for the requirements of this
Section 2.4(b)(ii), be obligated to be so qualified. 
 (c) Each Participating Holder agrees that, upon receipt of any notice from Echo
of the happening of any event of the kind described in Section 2.4(a)(vii)(C) or (E), each Participating Holder will, to the extent appropriate, discontinue its disposition of Registrable Securities pursuant to the registration statement
relating to such Registrable Securities until, in the case of Section 2.4(a)(vii)(E), its receipt of the copies of the supplemented or amended prospectus contemplated by Section 2.4(a)(vii)(E) and, if so directed by Echo, will deliver to
Echo (at the Company’s expense) all copies, other than permanent file copies, then in its possession, of the prospectus relating to such Registrable Securities at the time of receipt of such notice. If the disposition by a Participating Holder
of its securities is discontinued pursuant to the foregoing sentence, Echo shall extend the period of effectiveness of the registration statement by the number of days during the period from and including the date of the giving of such notice to and
including the date when the Participating Holder shall have received copies of the supplemented or amended prospectus contemplated by Section 2.4(a)(vii)(E). If for any other reason the effectiveness of any registration statement filed pursuant
to Section 2.1 or Section 2.2 is suspended or interrupted prior to the expiration of the time period regarding the maintenance of the effectiveness of such Registration Statement required by Section 2.4(a)(i) so that Registrable
Securities may not be sold pursuant thereto, the applicable time period shall be extended by the number of days equal to the number of days during the period beginning with the date of such suspension or interruption to and ending with the date when
the sale of Registrable Securities pursuant to such registration statement may be resumed. 
 (d) If any such registration statement or
comparable statement under “blue sky” laws refers to any Holder by name or otherwise as the Holder of any securities of Echo, then such Holder shall have the right to require (i) the insertion therein of language, in form and
substance satisfactory to such Holder and Echo, to the effect that the holding by such Holder of such securities is not to be construed as a recommendation by such Holder of the investment quality of Echo’s securities covered thereby and that
such holding does not imply that such Holder will assist in meeting any future financial requirements of the Company or Echo, or (ii) in the event that such reference to such Holder by name or otherwise is not in the judgment of Echo, as
advised by counsel, required by the Securities Act or any similar federal statute or any state “blue sky” or securities law then in force, the deletion of the reference to such Holder. 

  
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 2.5. Underwritten Offerings. 

(a) Demanded Underwritten Offerings. If requested by the underwriters for any underwritten offering by the Participating Holders
pursuant to a registration requested or offering effected under Section 2.1 (including without limitation an offering pursuant to Section 2.1(j)), Echo and the Company shall enter into a customary underwriting agreement with the managing
underwriter(s) selected in accordance with Section 2.1(e) hereto. Such underwriting agreement shall be reasonably satisfactory in form and substance to such Participating Holders and shall contain such representations and warranties by, and
such other agreements on the part of, Echo and the Company and such other terms as are generally prevailing in agreements of that type, including, without limitation, customary provisions relating to indemnification and contribution which are no
less favorable to the recipient than those provided in Section 2.7 hereof. Each Participating Holder shall be a party to such underwriting agreement and may, at their option, require that any or all of the representations and warranties by, and
the other agreements on the part of, Echo or the Company to and for the benefit of such underwriters shall also be made to and for the benefit of each Participating Holder and that any or all of the conditions precedent to the obligations of such
underwriters under such underwriting agreement be conditions precedent to the obligations of each Participating Holder. No Participating Holder shall be required to make any representations or warranties to or agreements with Echo, the Company or
the underwriters other than representations, warranties or agreements regarding such Participating Holder, its ownership of and title to the Registrable Securities, and its intended method of distribution; and any liability of any Participating
Holder to any underwriter or other Person under such underwriting agreement shall be limited to liability arising from information provided by such Participating Holder regarding itself to the managing underwriter of such offering and shall be
limited to an amount equal to the proceeds (net of expenses and underwriting discounts and commissions) that it derives from such registration. 

(b) Incidental Underwritten Offerings. In the case of a registration requested or offering effected pursuant to Section 2.2 hereof,
if Echo shall have determined to enter into an underwriting agreement in connection therewith, all of the Registrable Securities to be included in such registration shall be subject to such underwriting agreement. The Participating Holders may, at
their option, require that any or all of the representations and warranties by, and the other agreements on the part of, Echo or the Company to and for the benefit of such underwriters shall also be made to and for the benefit of the Participating
Holders and that any or all of the conditions precedent to the obligations of such underwriters under such underwriting agreement be conditions precedent to the obligations of the Participating Holders. None of the Participating Holders shall be
required to make any representations or warranties to or agreements with Echo, the Company or the underwriters other than representations, warranties or agreements regarding such Participating Holder, its ownership of and title to the Registrable
Securities 

  
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and its intended method of distribution; and any liability of any Participating Holder to any underwriter or other Person under such underwriting agreement shall be limited to liability arising
from information provided by such Participating Holder regarding itself to the managing underwriter of such offering and shall be limited to an amount equal to the proceeds (net of expenses and underwriting discounts and commissions) that it derives
from such registration. 
 (c) Participation in Underwritten Registrations. In the case of an underwritten registration pursuant to
Section 2.1 or Section 2.2 hereof, as Echo may from time to time reasonably request in writing, Echo may require the Participating Holders (i) to furnish to Echo such information regarding such Participating Holders and the
distribution of the Registrable Securities to enable Echo to comply with the requirements of applicable laws or regulations in connection with such registration and (ii) to complete and execute all customary questionnaires, powers of attorney,
indemnitees, lock-up agreements, underwriting agreements and any other documents reasonably required under the terms of such underwriting arrangements. Echo shall not be obligated to effect the registration of
any Registrable Securities of a particular Participating Holder unless such information and documents regarding such Participating Holder and the distribution of such Participating Holder’s Registrable Securities is provided to Echo. 

2.6. Preparation; Reasonable Investigation. In connection with the preparation and filing of each registration statement, prospectus and
prospectus supplement under the Securities Act pursuant to this Agreement, Echo (and the Company, as applicable) will give the Participating Holders, the managing underwriter(s), and their respective counsel, accountants and other representatives
and agents the opportunity to participate in the preparation of such registration statement, each prospectus included therein or filed with the SEC, and each amendment thereof or supplement thereto or comparable statements under securities or
“blue sky” laws of any jurisdiction, and give each of the foregoing parties access to its books and records, all financial and other records, pertinent corporate documents and properties of Echo and the Company and their respective
subsidiaries, and such opportunities to discuss the business of the Company and Echo and their respective subsidiaries with their respective directors, officers and employees and the independent public accountants who have certified the
Company’s and/or Echo’s financial statements, and supply all other information and respond to all inquiries requested by such Participating Holders, managing underwriter(s), or their respective counsel, accountants or other representatives
or agents in connection with such registration statement, prospectus and prospectus supplement as shall be necessary or appropriate, in the opinion of counsel to such Participating Holder or managing underwriter(s), to conduct a reasonable
investigation within the meaning of the Securities Act, and Echo shall not file any registration statement or amendment thereto or any prospectus or supplement thereto to which the Participating Holders or the managing underwriter(s) shall object.

  
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 2.7. Indemnification. 

(a) Indemnification by the Company. The Company agrees that in the event of any registration or offering of any Registrable Securities
under the Securities Act, the Company shall, and hereby does, indemnify and hold harmless, to the fullest extent permitted by law, (i) each of Echo, the Holders and their respective Affiliates, (ii) each of the Holders’ and their
Affiliates’ respective direct and indirect officers, directors, successors, assigns, members, partners, shareholders, employees, advisors, representatives and agents, (iii) each other Person who participates as an underwriter or Qualified
Independent Underwriter (as defined by FINRA) in the offering or sale of such securities, (iv) each Person who controls, directly or indirectly (within the meaning of the Securities Act or the Exchange Act), any of the Persons listed in clauses
(i), (ii), (iii) or (iv) and (v) any representative (legal or otherwise) of any of the Persons listed in clauses (i), (ii), (iii) or (iv) (other than the Company) (collectively, the “Company Indemnitees”), from and against any
losses, penalties, fines, liens, judgments, suits, claims, damages, liabilities, costs and expenses (including attorney’s fees and any amounts paid in any settlement effected in compliance with Section 2.7(e)) or liabilities, joint or
several (or actions or proceedings, whether commenced or threatened, in respect thereof, and whether or not such Company Indemnitee is a party thereto) (“Losses”), to which such Company Indemnitee has become or may become subject
under the Securities Act or otherwise, insofar as such Losses arise out of or are based upon (i) any untrue statement or alleged untrue statement of any material fact regarding the Company or Echo for inclusion in any registration statement
under which such securities were registered under the Securities Act, or any preliminary prospectus or final prospectus contained therein, any amendment or supplement thereto, or any documents incorporated by reference therein, or any related free
writing prospectus, (ii) any omission or alleged omission by the Company or Echo to state a material fact regarding the Company or Echo required to be stated therein or necessary to make the statements therein not misleading, or (iii) any
violation by the Company or Echo of any federal, state or common law rule or regulation applicable to the Company or Echo and relating to action required of or inaction by the Company or Echo in connection with any such registration or offering, and
the Company shall reimburse such Company Indemnitee for any legal or any other fees or expenses incurred by it in connection with investigating or defending any such Loss, as incurred; provided that the Company shall not be liable to a
Company Indemnitee to the extent that any such Loss arises out of or is based upon any untrue statement or alleged untrue statement or omission or alleged omission made in such registration statements, any such preliminary prospectus, final
prospectus, amendment or supplement, or document incorporated by reference therein, or any related free writing prospectus, in reliance upon and in conformity with information furnished by or to the Company or Echo by or on behalf of any Company
Indemnitee. 
 (b) Indemnification by Participating Holders. As a condition to including any Registrable Securities in any
registration statement or offering, the Company shall have received an undertaking reasonably satisfactory to them from each Participating Holder so including any Registrable Securities to, severally and not jointly, to the fullest extent permitted
by law, indemnify and hold harmless (i) the Company Indemnitees and (ii) any underwriters of the Registrable Securities and each person who controls such underwriters (within the meaning of the Securities Act or the Exchange Act), with
respect to any statement or alleged statement in or omission or alleged omission from such registration statement, any preliminary prospectus or final prospectus contained therein, or any amendment or supplement thereto, or any related free writing
prospectus, but only to the extent such statement or alleged statement or omission or alleged omission was made in reliance upon and in conformity with written information furnished by such Participating

  
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Holder to the Company or Echo that specifically states that it is for use in the preparation of such registration statement, preliminary prospectus, final prospectus, amendment or supplement, or
any related free writing prospectus, and such Participating Holder shall reimburse such indemnified party for any reasonable legal or any other fees or expenses reasonably incurred by them in connection with investigating or defending any such Loss;
provided, however, that the liability of such indemnifying party under this Section 2.7(b) shall be limited to the amount of proceeds (net of expenses and underwriting discounts and commissions) received by such indemnifying party
in the offering giving rise to such liability. Each Participating Holder shall also, severally and not jointly, indemnify and hold harmless all other prospective sellers and Participating Holders, their respective Affiliates, direct and indirect
officers, directors, successors, assigns, members, partners, shareholders, employees, advisors, representatives, and agents, and each Person who controls, directly or indirectly (within the meaning of the Securities Act or the Exchange Act), any
such seller or Participating Holder to the same extent as provided above with respect to indemnification of the Company Indemnitees. 
 (c)
Notices of Claims. Promptly after receipt by an indemnified party of notice of the commencement of any action or proceeding involving a claim referred to in Section 2.7(a) or Section 2.7(b), such indemnified party shall, if a claim
in respect thereof is to be made against an indemnifying party, give written notice to such indemnifying party of the commencement of such action or proceeding; provided, however, that the failure of any indemnified party to give
notice as provided herein shall not relieve the indemnifying party of its obligations under Section 2.7(a) or Section 2.7(b), except to the extent that the indemnifying party is actually and materially prejudiced by such failure to give
notice, and shall not relieve the indemnifying party from any liability which it may have to the indemnified party otherwise than under this Section 2.7. 

(d) Defense of Claims. In case any such action or proceeding is brought against an indemnified party, except as provided for in the next
sentence, the indemnifying party shall be entitled to participate therein and assume the defense thereof, jointly with any other indemnifying party, with counsel reasonably satisfactory to such indemnified party, and after notice from the
indemnifying party to such indemnified party of its election so to assume the defense thereof and approval by the indemnified party of such counsel, the indemnifying party shall not be liable to such indemnified party for any legal expenses
subsequently incurred by such indemnified party in connection with the defense thereof, other than costs of investigation, and the indemnified party shall be entitled to participate in such defense at its own expense. If (i) the indemnifying
party fails to notify the indemnified party in writing, within 15 days after the indemnified party has given notice of the action or proceeding, that the indemnifying party will indemnify the indemnified party from and against all Losses the
indemnified party may suffer resulting from, arising out of, relating to, in the nature of, or caused by the claim, (ii) the indemnifying party fails to provide the indemnified party with evidence acceptable to the indemnified party that the
indemnifying party will have the financial resources to defend against the claim or proceeding and fulfill its indemnification obligations hereunder, (iii) the indemnifying party fails to defend diligently the action or proceeding within 10
days after receiving notice of such failure from such indemnified party; (iv) such indemnified party reasonably shall have concluded (upon advice of its counsel) that there may be one or more legal

  
 22 

 
defenses available to such indemnified party or other indemnified parties which are different than those available to, or not available to, the indemnifying party; or (v) if such indemnified
party reasonably shall have concluded (upon advice of its counsel) that, with respect to such claims, the indemnified party and the indemnifying party may have different, conflicting, or adverse legal positions or interests then, in any such case,
the indemnified party shall have the right to assume or continue its own defense and the indemnifying party shall be liable for any fees and expenses therefor. 

(e) Consent to Entry of Judgment and Settlements. No indemnifying party shall be liable for any settlement of any action or proceeding
effected without its written consent, which consent shall not be unreasonably withheld; provided, that, in the case where the indemnifying party shall have failed to take any of the actions listed in clauses (i), (ii) or (iii) of the
last sentence of Section 2.7(d), the indemnified party shall have the right to compromise or settle such action on behalf of and for the account, expense, and risk of the indemnifying party and the indemnifying party will remain responsible for
any Losses the indemnified party may suffer resulting from, arising out of, relating to, in the nature of, or caused by the action or proceeding to the fullest extent provided in this Section 2.7. No indemnifying party shall, without the
written consent of the indemnified party, effect the settlement or compromise of, or consent to the entry of any judgment with respect to, any pending or threatened action or claim in respect of which indemnification or contribution may be sought
hereunder (whether or not the indemnified party is an actual or potential party to such action or claim) unless such settlement, compromise or judgment (A) includes an unconditional release of the indemnified party from all liability arising
out of such action or claim, (B) does not include a statement as to or an admission of fault, culpability or a failure to act, by or on behalf of any indemnified party and (C) does not require any action other than the payment of money by
the indemnifying party. 
 (f) Contribution. If for any reason the indemnification provided for in Sections 2.7(a), (b) or (g) is
unavailable to an indemnified party or insufficient in respect of any Losses referred to therein, then, in addition to the amount paid or payable under Sections 2.7(a), (b) or (g), the indemnifying party shall contribute to the amount paid or
payable by the indemnified party as a result of such Loss (i) in such proportion as is appropriate to reflect the relative fault of the indemnifying party on the one hand, and the indemnified party on the other, with respect to the statements
or omissions which resulted in such Loss, as well as any other relevant equitable considerations, or (ii) if the allocation provided by clause (i) above is not permitted by applicable law or if the allocation provided in this clause
(ii) provides a greater amount to the indemnified party than clause (i) above, in such proportion as shall be appropriate to reflect not only the relative fault but also the relative benefits received by the indemnifying party and the
indemnified party from the offering of the securities covered by such registration statement as well as any other relevant equitable considerations. The relative fault shall be determined by reference to, among other things, whether the untrue or
alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information supplied by the indemnifying party or the indemnified party and the parties’ relative intent, knowledge, access to
information and opportunity to correct or prevent such untrue statement or omission. The parties hereto agree that it would not be just and equitable if contributions pursuant to this Section 2.7(f) were to be determined by pro rata allocation
or by any other 

  
 23 

 
method of allocation that does not take into account the equitable considerations referred to in the preceding sentence of this Section 2.7(f). No Person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any Person who was not guilty of such fraudulent misrepresentation. The amount paid or payable by an indemnified party as a
result of the Losses referred to in Sections 2.7(a), (b) or (g) shall be deemed to include, subject to the limitations set forth in Sections 2.7(a), (b) or (g), any legal or other expenses reasonably incurred by such indemnified party in
connection with investigating or defending any such action or claim. Notwithstanding anything in this Section 2.7(f) to the contrary, no Participating Holder shall be required to contribute (1) any amount in excess of the proceeds (net of
expenses and underwriting discounts and commissions) received by such Participating Holder from the sale of the Registrable Securities in the offering to which the Losses of the indemnified parties relate or (2) any amount in excess of the
amount of indemnification which such Participating Holder would be required to pay pursuant to this Agreement if such indemnification provision was enforceable or applicable. 

(g) Other Indemnification. Indemnification and contribution similar to that specified in the preceding subsections of this
Section 2.7 (with appropriate modifications) shall be given by the Company and the Participating Holders with respect to any required registration or other qualification of securities under foreign or state or “blue sky” law or
regulation. The indemnification agreements contained in this Section 2.7 shall be in addition to any other rights to indemnification or contribution which any indemnified party may have pursuant to law or contract and shall remain operative and
in full force and effect regardless of any investigation made by or on behalf of any indemnitee or other indemnified party and shall survive the transfer of any of the Registrable Securities by any such party. 

(h) Indemnification Payments. The indemnification and contribution required by this Section 2.7 shall be made by periodic payments
of the amount thereof during the course of the investigation or defense, as and when bills are received or a Loss is incurred. 
 (i) The
Company hereby acknowledges and agrees that a Company Indemnitee may have certain rights to indemnification, advancement of expenses and/or insurance provided by other sources. The Company hereby acknowledges and agrees (i) that it is the
indemnitor of first resort (i.e., its obligations to a Company Indemnitee are primary and any obligation of such other sources to advance expenses or to provide indemnification for the same expenses or liabilities incurred by such Company
Indemnitee are secondary) and (ii) that it shall be required to advance the full amount of expenses incurred by a Company Indemnitee and shall be liable for the full amount of all expenses, judgments, penalties, fines and amounts paid in
settlement to the extent legally permitted and as required by the terms of this Agreement without regard to any rights a Company Indemnitee may have against such other sources. The Company further agrees that no advancement or payment by such other
sources on behalf of a Company Indemnitee with respect to any claim for which such Company Indemnitee has sought indemnification, advancement of expenses or insurance from the Company shall affect the foregoing, and that such other sources shall
have a right of contribution and/or be subrogated to the extent of such advancement or payment to all of the rights of recovery of such Company Indemnitee against the Company. 

  
 24 

 2.8. Limitation on Sale of Securities. 

(a) For the Company and Echo and Others. If Echo receives a request for registration pursuant to an underwritten offering of Registrable
Securities, or is notified of an underwritten offering of Registrable Securities, in each case pursuant to Section 2.1 or 2.2 hereof, and if such a request is being implemented or has not been withdrawn or abandoned, Echo agrees that
(i) neither Echo nor the Company shall affect any public or private offer, sale, distribution or other disposition of any of its equity securities or of any security convertible into or exchangeable or exercisable for any equity security or
effect any registration of any of such securities under the Securities Act (in each case, other than (x) equity incentive grants to employees pursuant to equity incentive plans, (y) as part of such registration and (z) as a
registration using Form S-8 or any successor or similar form which is then in effect), whether or not for sale for its own account, during the period beginning on the date Echo and the Company receive such
request until up to 180 days (90 days in any offering following a Qualified IPO) after the date of the prospectus or prospectus supplement related to the underwritten offering (or such shorter period as the managing underwriter(s) may require) and
(ii) Echo shall use its reasonable best efforts (including by enforcing the Echo Shareholders’ Agreement) to cause its (and the Company’s, if different) officers and directors to enter into an agreement with the underwriters not to
effect any public or private offer, sale, distribution or other disposition of equity interests, or any securities that are convertible or exchangeable or exercisable for equity interests, during the period referred to in clause (i) of this
paragraph, including, without limitation, a sale pursuant to Rule 144 under the Securities Act on substantially the same terms as the Holders. 

(b) For the Holders. If Echo receives a request for registration pursuant to an underwritten offering of Registrable Securities, or is
notified of an underwritten offering of Registrable Securities, in each case pursuant to Section 2.1 or 2.2 hereof, and if such a request is being implemented or has not been withdrawn or abandoned, each Holder agrees that, to the extent
requested in writing by the managing underwriter(s), it will not affect any public or private offer, sale, distribution or other disposition of any Registrable Securities, or any securities convertible into or exchangeable or exercisable for such
Registrable Securities, including, without limitation, any sale pursuant to Rule 144 under the Securities Act, during a period of up to 180 days (90 days in any offering following a Qualified IPO) beginning on the date of the prospectus or
prospectus supplement related to the underwritten offering (or such shorter period as the managing underwriter(s) may require), provided that each Holder has received the written notice required by Sections 2.1(a) and 2.2(a); and provided further,
that in connection with such underwritten offering each officer and director of the Company and Echo is subject to restrictions substantially equivalent to those imposed on the Holders. 

2.9. No Required Sale. Subject to Section 2.1(j), nothing in this Agreement shall be deemed to create an independent obligation on
the part of any of the Holders to sell any Registrable Securities pursuant to any effective registration statement. 

  
 25 

 2.10. Rule 144; Rule 144A; Regulation S. Echo covenants that, at the Company’s
expense, Echo will file or furnish, as applicable, the reports required to be filed by it under the Securities Act and the Exchange Act, and it will take such further action as any Holder may reasonably request, all to the extent required from time
to time to enable such Holder to sell Registrable Securities without registration under the Securities Act within the limitation of the exemptions provided by (i) Rules 144, 144A or Regulation S under the Securities Act or (ii) any similar
rule or regulation hereafter adopted by the SEC. Upon the request of a Holder, Echo will promptly deliver to such Holder (i) a written statement as to whether it has complied with such requirements (and such Holder shall be entitled to rely
upon the accuracy of such written statement), (ii) a copy of the most recent annual or quarterly report of Echo and (iii) such other reports and documents as such Holder may reasonably request in order to avail itself of any rule or regulation
of the SEC allowing it to sell any Registrable Securities without registration. 
 Section 3. Subsequent Registration Rights; No
Inconsistent Agreements. 
 3.1. Limitations on Subsequent Registration Rights. 

(a) From and after the date of this Agreement until the Holders and their respective assigns shall no longer hold any Registrable Securities,
without the prior written consent of the Blackstone Holders, the H&F Holders and the MCK Members, neither the Company nor Echo shall enter into an agreement that grants a holder or prospective holder of any securities of the Company or Echo
demand or incidental registration rights that by their terms are not subordinate to the registration rights granted to the Holders in this Agreement. Notwithstanding the foregoing, if after the date of this Agreement the Company or Echo enters into
any other agreement with respect to the registration of any of its equity securities, and the terms contained therein are more favorable to, or less restrictive on, the other party thereto than the terms and conditions contained in this Agreement
(insofar as they are applicable) with respect to the Holders, then the terms of this Agreement shall immediately be deemed to have been amended without further action by the Company or Echo or the Holders so that the Holders shall be entitled to the
benefit of any such more favorable or less restrictive terms or conditions. 
 (b) None of the Blackstone Holders, H&F Holders or MCK
Members will offer or sell any Registrable Securities in any offering registered under the Securities Act except pursuant to the registration rights granted pursuant to this Agreement. 

3.2. No Inconsistent Agreements. Neither the Company nor Echo will, on or after the date of this Agreement, enter into any agreement
with respect to its securities that is inconsistent with the rights granted to the Holders in Section 2 or otherwise conflicts with the provisions of Section 2, other than any customary lock-up
agreement with the underwriters in connection with any offering effected hereunder, pursuant to which neither the Company nor Echo shall agree to register for sale, and the Company and Echo shall agree not to sell or otherwise dispose of, Interests
or any securities convertible into or exercisable or exchangeable for equity interest, for a specified period (not to exceed 90 days) following such offering. The Company and Echo warrants that the rights granted to the Holders hereunder do not in
any way conflict with and are not inconsistent with any other agreements to which the Company and Echo is a party or by which it is bound. Neither the Company nor Echo has previously entered into any agreement with respect to its securities granting
any registration rights to any Person. 

  
 26 

 Section 4. Miscellaneous. 

4.1. Term. This Agreement shall terminate upon such time as there are no Registrable Securities, provided that each of (a) the
provisions of Section 2.7 and Section 2.10 and all of this Section 4 and (b) any breach of this Agreement prior to termination shall survive any such termination. 

4.2. Injunctive Relief. It is hereby agreed and acknowledged that it will be impossible to measure in money the damage that would be
suffered if the parties fail to comply with any of the obligations herein imposed on them and that in the event of any such failure, an aggrieved Person will be irreparably damaged and will not have an adequate remedy at law. Any such Person shall,
therefore, be entitled (in addition to any other remedy to which it may be entitled in law or in equity) to injunctive relief, including specific performance, to enforce such obligations, and if any action should be brought in equity to enforce any
of the provisions of this Agreement, none of the parties hereto shall raise the defense that there is an adequate remedy at law. 
 4.3.
Notices. Any and all notices, designations, offers, acceptances or other communications provided for herein shall be given (a) when delivered personally by hand (with written confirmation of receipt), (b) when sent by facsimile (with
written confirmation of transmission), (c) when received or rejected by the addressee if sent by registered or certified mail, postage prepaid, return receipt requested, or (d) one Business Day following the day sent by overnight courier (with
written confirmation of receipt): 
 if to the Company or Echo, to: 

c/o The Blackstone Group 
 New
York, New York 10154 
 Attention: John G. Finley 

E-mail: [Email Address] 

Facsimile: (212) 583-5749 

with a copy (which shall not constitute notice) to: 

Ropes & Gray LLP 
 The
Prudential Tower 
 800 Boylston Street 

Boston, Massachusetts 02119 

Attention: R. Newcomb Stillwell 
 E-mail: [Email Address] 
 Facsimile: (617) 235 0213 

c/o McKesson Corporation 

  
 27 

 One Post Street, 32nd Floor 

San Francisco, CA 94104 

Attention: Assistant General Counsel 

Facsimile: (415) 983-8457 

with a copy (which shall not constitute notice) to: 

Davis Polk & Wardwell LLP 

1600 El Camino Real 
 Menlo Park,
CA 94025 
 Attention: Alan F. Denenberg 

Facsimile: (650) 752-2004 

if to the MCK Members, to: 

McKesson Corporation 
 One Post
Street, 32nd Floor 
 San Francisco, CA 94104 

Attention: Assistant General Counsel 

Facsimile: (415) 983-8457 

with a copy (which shall not constitute notice) to: 

Davis Polk & Wardwell LLP 

1600 El Camino Real 
 Menlo Park,
CA 94025 
 Attention: Alan F. Denenberg 

Facsimile: (650) 752-2004 

if to the Blackstone Holders, to: 

c/o The Blackstone Group 
 New
York, New York 10154 
 Attention: John G. Finley 

E-mail: [Email Address] 

Facsimile: (212) 583-5749 

with a copy (which shall not constitute notice) to: 

Ropes & Gray LLP 
 The
Prudential Tower 
 800 Boylston Street 

Boston, Massachusetts 02119 

Attention: R. Newcomb Stillwell 
 E-mail: [Email Address] 
 Facsimile: (617) 235 0213 

  
 28 

 and 

Ropes & Gray LLP 
 Three
Embarcadero Center 
 San Francisco, CA 94111-4006 

Attention: Jason Freedman 
 E-mail: [Email Address] 
 Facsimile: (415) 315-4876 

if to the H&F Holders, to: 

c/o Hellman & Friedman LLC 

One Maritime Plaza 
 12th Floor

 San Francisco, California 94111 

Attention: Allen R. Thorpe 
 Arrie
R. Park 
 Facsimile: (415) 788-0176 

with a copy (which shall not constitute notice) to: 

Simpson Thacher & Bartlett LLP 

2475 Hanover Street 
 Palo Alto,
California 94304 
 Attention: Chad A. Skinner 

Facsimile: (650) 251-5002 

If to any other Holder who becomes party to this agreement on or after the date hereof, to the address on the counterpart signature page to
this Agreement executed by such Holder. 
 4.4. Amendment. Any provision of this Agreement may be amended if, and only if, such
amendment is in writing and signed by both the MCK Members and the Echo Shareholders; provided, that this Section 4.4 may not be amended without the prior written consent of each of the Sponsor Holders and the MCK Members. 

4.5. Successors, Assigns and Transferees. Each party may assign all or a portion of its rights hereunder to any Permitted Transferee
and, prior to a Qualified IPO, to any Person that acquires Registrable Securities pursuant to the terms of the LLC Agreement. 
 4.6.
Binding Effect. Except as otherwise provided in this Agreement, the terms and provisions of this Agreement shall be binding on and inure to the benefit of each of the parties hereto and their respective successors. 

4.7. Third Parties. Nothing in this Agreement, express or implied, is intended or shall be construed to confer upon any Person not a
party hereto (other than each other Person entitled to indemnity or contribution under Section 2.7) any right, remedy or claim under or by virtue of this Agreement. 

  
 29 

 4.8. Governing Law. This Agreement shall be governed by and construed in accordance
with the laws of the State of Delaware applicable to contracts entered into and performed entirely within such State. 
 4.9.
Jurisdiction. Any claim, action, suit or proceeding (whether in contract or tort) seeking to enforce any provision of, or based on any matter arising out of or in connection with, this Agreement or the transactions contemplated hereby shall
be heard and determined in the Chancery Court of the State of Delaware and any state appellate court therefrom within the State of Delaware (or, if the Chancery Court of the State of Delaware declines to accept jurisdiction over a particular matter,
any state or federal court within the State of Delaware), and each of the parties hereto hereby consents to the exclusive jurisdiction of such courts (and of the appropriate appellate courts therefrom in any such claim, action, suit or proceeding)
and irrevocably waives, to the fullest extent permitted by law, any objection that it may now or hereafter have to the laying of venue of any such claim, action, suit or proceeding in any such court or that any such claim, action, suit or proceeding
that is brought in any such court has been brought in an inconvenient forum. Notwithstanding the previous sentence, a party may commence any claim, action, suit or proceeding in a court other than the above-named courts solely for the purpose of
enforcing an order or judgment issued by one of the above-named courts. 
 4.10. Waiver of Jury Trial. Subject to applicable Law,
process in any such claim, action, suit or proceeding may be served on any party anywhere in the world, whether within or without the jurisdiction of any such court. Without limiting the foregoing and subject to applicable Law, each party agrees
that service of process on such party as provided in Section 4.3 shall be deemed effective service of process on such party. Nothing herein shall affect the right of any party to serve legal process in any other manner permitted by Law or at
equity. WITH RESPECT TO ANY SUCH CLAIM, ACTION, SUIT OR PROCEEDING IN ANY SUCH COURT, TO THE EXTENT NO PROHIBITED BY APPLICABLE LAW THAT CANNOT BE WAIVED, EACH OF THE PARTIES HERETO IRREVOCABLY WAIVES AND RELEASES TO EACH OF THE OTHERS ITS RIGHT TO
A TRIAL BY JURY, AND AGREES THAT IT WILL NOT SEEK A TRIAL BY JURY IN ANY SUCH PROCEEDING. EACH PARTY HERETO ACKNOWLEDGES THAT IT HAS BEEN INFORMED BY THE OTHER PARTIES HERETO THAT THIS SECTION 4.10 CONSTITUTES A MATERIAL INDUCEMENT UPON WHICH THEY
ARE RELYING AND WILL RELY IN ENTERING INTO THIS AGREEMENT. ANY PARTY HERETO MAY FILE AN ORIGINAL COUNTERPART OR A COPY OF THIS SECTION 4.10 WITH ANY COURT AS WRITTEN EVIDENCE OF THE CONSENT OF EACH SUCH PARTY TO THE WAIVER OF ITS RIGHT TO TRIAL BY
JURY. 
 4.11. Severability. If any portion of this Agreement shall be declared void or unenforceable by any court or administrative
body of competent jurisdiction, then, so long as no party is deprived of the benefits of this Agreement in any material respect, such portion shall be deemed severable from the remainder of this Agreement, which shall continue in all respects valid
and enforceable. 

  
 30 

 4.12. Counterparts. This Agreement may be executed in one or more counterparts, each
of which shall be deemed an original, and all of which shall constitute one and the same agreement. Copies of executed counterparts transmitted by telecopy or other electronic transmission service shall be considered original executed counterparts
for purposes of this Section 4.12. 
 4.13. Construction. The headings and subheadings in this Agreement are included for
convenience and identification only and are in no way intended to describe, interpret, define or limit the scope, extent or intent of this Agreement or any provision hereto. Definitions shall be equally applicable to both the singular and plural
forms of the terms defined, and references to the masculine, feminine or neuter gender shall include each other gender. The word “including” means including without limitation. Any reference to “$” or “dollars” means
United States dollars. References to a particular statute or regulation include all rules and regulations thereunder and any successor statute, rule or regulation, in each case as amended or otherwise modified from time to time. The parties have
participated jointly in the negotiation and drafting of this Agreement. In the event an ambiguity or question of intent or interpretation arises, this Agreement shall be construed as if drafted jointly by the parties and no presumption or burden of
proof shall arise favoring or disfavoring any party by virtue of the authorship of any of the provisions of this Agreement. Any action to be taken by or any consent to be given by the “Blackstone Holders”, the “H&F Holders”
or the “MCK Members”, unless otherwise specified herein, are to be taken or consented to upon the approval of the Person(s) holding a majority of the Registrable Securities beneficially owned by such group. 

4.14. Entire Agreement. This Agreement is intended by the parties hereto as a final expression of their agreement and is intended to be
a complete and exclusive statement of the agreement and understanding of the parties hereto in respect of the subject matter contained herein. This Agreement supersedes all prior agreements and understandings between the parties hereto with respect
to such subject matter. 
 4.15. The Company Parties. The Company Parties hereby agree that each of the Company Parties will be
jointly and severally liable for any payment obligations of the Company contained in this Agreement. 

  
 31 

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the day and year
first written above. 
 Company: 
  

			
	CHANGE HEALTHCARE LLC
		
	By:	 	 /s/ Gregory T. Stevens

		 	Name: Gregory T. Stevens
Title:   Co-President and Co-Secretary
		
	By:	 	 /s/ John Saia

		 	Name: John Saia
Title:   Co-President and Co-Secretary

 Echo: 
  

			
	HCIT HOLDINGS, INC.
		
	By:	 	 /s/ Gregory T. Stevens

		 	Name: Gregory T. Stevens
Title:   President and Treasurer

 The Company Parties: 

 

			
	CHANGE HEALTHCARE INTERMEDIATE HOLDINGS, LLC
		
	By:	 	 /s/ Gregory T. Stevens

		 	Name: Gregory T. Stevens
Title:   Co-President and Co-Secretary
		
	By:	 	 /s/ John Saia

		 	Name: John Saia
Title:   Co-President and Co-Secretary

  
 [Signature Page –
Registration Rights Agreement] 

 
			
	CHANGE HEALTHCARE HOLDINGS, LLC
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title:   Co-President and Co-Secretary

		
	By:	 	 /s/ John Saia

		 	 Name: John Saia
 Title:   Co-President and Co-Secretary

  

			
	CHANGE HEALTHCARE OPERATIONS, LLC
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title:
  Secretary

  

			
	CHANGE HEALTHCARE SOLUTIONS LLC
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title:
  Secretary

  

			
	CHANGE HEALTHCARE INTERMEDIATE HOLDINGS, INC.
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title:
  General Counsel and Secretary

  

			
	CHANGE HEALTHCARE HOLDINGS, INC.
		
		 	 By: /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title:
  General Counsel and Secretary

  

			
	CHANGE HEALTHCARE, INC.
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title:
  General Counsel and Secretary

  
 [Signature Page –
Registration Rights Agreement] 

 
			
	CHANGE HEALTHCARE FINANCE, INC.
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title:   Co-President and Treasurer

		
	By:	 	 /s/ John Saia

		 	 Name: John Saia
 Title:   Co-President and Secretary

 MCK Members: 
  

			
	MCKESSON TECHNOLOGIES LLC
		
	By:	 	 /s/ John Saia

		 	 Name: John Saia
 Title:   Vice
President and Secretary

  

			
	PST SERVICES LLC
		
	By:	 	 /s/ John Saia

		 	 Name: John Saia
 Title:   Vice
President and Secretary

 Blackstone Holders: 
  

			
	BLACKSTONE CAPITAL PARTNERS VI L.P.
	
	By: Blackstone Management Associates VI L.L.C., its general partner
		
	By:	 	BMA VI L.L.C., its sole member
		
	By:	 	 /s/ Neil Simpkins

		 	 Name: Neil Simpkins
 Title:   Senior
Managing Director

  
 [Signature Page –
Registration Rights Agreement] 

 
			
	BLACKSTONE FAMILY INVESTMENT PARTNERSHIP VI L.P.
	
	By: BCP VI Side-By-Side GP L.L.C., its general partner
		
	By:	 	 /s/ Neil Simpkins

		 	 Name: Neil Simpkins
 Title:   Senior
Managing Director

  

			
	BLACKSTONE FAMILY INVESTMENT PARTNERSHIP VI - ESC L.P.
	
	By: BCP VI Side-By-Side GP L.L.C., its general partner
		
	By:	 	 /s/ Neil Simpkins

		 	 Name: Neil Simpkins
 Title:   Senior
Managing Director

  

			
	BLACKSTONE EAGLE PRINCIPAL TRANSACTION PARTNERS L.P.
		
	By:	 	 /s/ Neil Simpkins

		 	 Name: Neil Simpkins
 Title:   Senior
Managing Director

	
	GSO COF FACILITY LLC
	
	By: GSO Capital Partners LP, its Collateral Manager
		
	By:	 	 /s/ Marisa Beeney

		 	 Name: Marisa Beeney
 Title:
  Authorized Person

 H&F Holders: 
  

			
	H&F HARRINGTON AIV II, L.P.
	
	By: Hellman & Friedman Investors VI, L.P., its general partner
	
	By: Hellman & Friedman LLC, its general partner
		
	By:	 	 /s/ P. Hunter Philbrick

		 	 Name: P. Hunter Philbrick
 Title:
  Managing Director

  
 [Signature Page –
Registration Rights Agreement] 

 
			
	HFCP VI DOMESTIC AIV, L.P.
	
	By: Hellman & Friedman Investors VI, L.P., its general partner
	
	By: Hellman & Friedman LLC, its general partner
		
	By:	 	 /s/ P. Hunter Philbrick

		 	 Name: P. Hunter Philbrick
 Title:
  Managing Director

  

			
	HELLMAN & FRIEDMAN INVESTORS VI, L.P.
	
	By: Hellman & Friedman LLC, its general partner
		
	By:	 	 /s/ P. Hunter Philbrick

		 	 Name: P. Hunter Philbrick
 Title:
  Managing Director

  

			
	HELLMAN & FRIEDMAN CAPITAL EXECUTIVES VI, L.P.
	
	By: Hellman & Friedman Investors VI, L.P., its general partner
	
	By: Hellman & Friedman LLC, its general partner
		
	By:	 	 /s/ P. Hunter Philbrick

		 	 Name: P. Hunter Philbrick
 Title:
  Managing Director

  

			
	HELLMAN & FRIEDMAN CAPITAL ASSOCIATES VI, L.P.
	
	By: Hellman & Friedman Investors VI, L.P., its general partner
	
	By: Hellman & Friedman LLC, its general partner
		
	By:	 	 /s/ P. Hunter Philbrick

		 	 Name: P. Hunter Philbrick
 Title:
  Managing Director

  
 [Signature Page –
Registration Rights Agreement] 

 MCK Members: 

 

			
	PF2 IP LLC
		
	By:	 	 /s/ John G. Saia

		 	 Name: John G. Saia
 Title:
  President

  

			
	PF2 PST SERVICES, INC.
		
	By:	 	 /s/ John G. Saia

		 	 Name: John G. Saia
 Title:
  President

  
 [Signature Page –
Registration Rights Agreement] 

 EXHIBIT A 
  

			
	BLACKSTONE HOLDERS	  	Blackstone Capital Partners VI L.P.,
		  	Blackstone Family Investment Partnership VI L.P.
		  	Blackstone Family Investment Partnership VI-ESC L.P.
		  	GSO COF Facility LLC
		  	Blackstone Eagle Principal Transaction Partners L.P.
		
	H&F HOLDERS	  	H&F Harrington AIV II, L.P.
		  	HFCP VI Domestic AIV, L.P.
		  	Hellman & Friedman Investors VI, L.P.
		  	Hellman & Friedman Capital Executives VI, L.P.
		  	Hellman & Friedman Capital Associates VI, L.P.EX-10.9

 Exhibit 10.9 

Final Form 
  

 
  

STOCKHOLDERS AGREEMENT 

BY AND AMONG 
 HCIT
HOLDINGS, INC., 
 CHANGE HEALTHCARE LLC, 

MCKESSON CORPORATION, 

AND 
 THE SPONSORS,
OTHER INVESTORS AND MANAGERS NAMED HEREIN 
 DATED AS OF MARCH 1, 2017 

 
  

 

 TABLE OF CONTENTS 

 

							
	 ARTICLE I DEFINITIONS
	  	 	2	 
			
	 Section 1.1
	 	Definitions	  	 	2	 
	 Section 1.2
	 	Other Interpretive Provisions	  	 	10	 
		
	 ARTICLE II REPRESENTATIONS AND WARRANTIES; COVENANTS
	  	 	11	 
			
	 Section 2.1
	 	Representations and Warranties of the Parties	  	 	11	 
	 Section 2.2
	 	Representations and Warranties of Echo	  	 	11	 
	 Section 2.3
	 	Representations and Warranties of the Stockholders	  	 	12	 
	 Section 2.4
	 	Covenants of the Stockholders	  	 	12	 
		
	 ARTICLE III GOVERNANCE
	  	 	13	 
			
	 Section 3.1
	 	Board Composition	  	 	13	 
	 Section 3.2
	 	Matters Requiring Stockholder Approval	  	 	16	 
	 Section 3.3
	 	Additional Governance Provisions	  	 	17	 
	 Section 3.4
	 	Voting Agreement	  	 	20	 
	 Section 3.5
	 	Subsequent Acquisition of Shares	  	 	21	 
	 Section 3.6
	 	Termination of Governance Provisions	  	 	21	 
		
	 ARTICLE IV TRANSFERS OF SHARES
	  	 	21	 
			
	 Section 4.1
	 	Limitations on Transfer	  	 	21	 
	 Section 4.2
	 	Drag-Along Rights Relating to Company Sale	  	 	22	 
	 Section 4.3
	 	Tag-Along Rights	  	 	25	 
	 Section 4.4
	 	Rights and Obligations of Transferees	  	 	27	 
	 Section 4.6
	 	Lock-Up	  	 	29	 
	 Section 4.7
	 	Termination of Transfer Restrictions	  	 	29	 
		
	 ARTICLE V PREEMPTIVE RIGHTS
	  	 	29	 
			
	 Section 5.1
	 	Preemptive Rights	  	 	29	 
	 Section 5.2
	 	Post-Issuance Compliance	  	 	31	 
	 Section 5.3
	 	Expenses	  	 	32	 
	 Section 5.4
	 	Termination of Preemptive Rights	  	 	32	 
		
	 ARTICLE VI OPTIONS TO PURCHASE AND SELL SHARES
	  	 	32	 
			
	 Section 6.1
	 	Call Options	  	 	32	 
	 Section 6.2
	 	Notices, Etc.	  	 	34	 
	 Section 6.3
	 	Vesting	  	 	34	 
	 Section 6.4
	 	Closing	  	 	34	 
	 Section 6.5
	 	Form of Payment	  	 	35	 
	 Section 6.6
	 	Sponsor Call Option	  	 	36	 
	 Section 6.8
	 	Acknowledgment	  	 	37	 
	 Section 6.9
	 	Call/Put Period	  	 	38	 
		
	 ARTICLE VII GENERAL PROVISIONS
	  	 	38	 
			
	 Section 7.1
	 	Waiver by Stockholders	  	 	38	 
	 Section 7.2
	 	Assignment; Benefit	  	 	38	 
	 Section 7.3
	 	Freedom to Pursue Opportunities	  	 	39	 
	 Section 7.4
	 	Publicity and Confidentiality	  	 	40	 
	 Section 7.5
	 	Termination	  	 	41	 
	 Section 7.6
	 	Severability	  	 	41	 
	 Section 7.7
	 	Entire Agreement; Amendment; Waiver; Non-Circumvention	  	 	42	 

							
	 Section 7.8
	 	Counterparts	  	 	43	 
	 Section 7.9
	 	Notices	  	 	43	 
	 Section 7.10
	 	Governing Law	  	 	45	 
	 Section 7.11
	 	Jurisdiction	  	 	45	 
	 Section 7.12
	 	Waiver of Jury Trial	  	 	46	 
	 Section 7.13
	 	Specific Performance	  	 	46	 
	 Section 7.14
	 	Indemnification by Stockholders; Damages; Equity Adjustments	  	 	46	 
	 Section 7.15
	 	Expenses	  	 	47	 
	 Section 7.16
	 	The Company Parties	  	 	47	 

  
 ii 

 THIS STOCKHOLDERS AGREEMENT (as it may be amended from time to time in accordance with the
terms hereof, the “Agreement”), dated as of March 1, 2017, is made by and among: 
 (i) Blackstone
Capital Partners VI L.P., Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P., and each of their Permitted Transferees that is or becomes a Stockholder
hereunder (collectively, “Blackstone”); 
 (ii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P., and each of their Permitted Transferees that is or becomes a Stockholder hereunder
(collectively, “H&F”); 
 (iii) McKesson Corporation, a Delaware corporation (“MCK”);

 (iv) HCIT Holdings, Inc., a Delaware corporation (“Echo”); 

(v) Change Healthcare LLC (f/k/a PF2 NewCo LLC), a Delaware limited liability company (the “Company”), Change
Healthcare Intermediate Holdings, LLC (f/k/a PF2 NewCo Intermediate Holdings, LLC), a Delaware limited liability company (“Change Intermediate”), Change Healthcare Holdings, LLC (f/k/a PF2 NewCo Holdings, LLC), a Delaware
limited liability company (“Change Holdings”), Change Healthcare Holdings, Inc., a Delaware corporation, Change Healthcare Operations, LLC, a Delaware limited liability company, Change Healthcare Solutions, LLC, a Delaware limited
liability company, Change Healthcare Finance, Inc., a Delaware corporation, McKesson Technologies LLC, a Delaware limited liability company and PST Services LLC, a Georgia limited liability company (collectively, the “Company
Parties”); 
 (vi) each other Person who from time to time becomes party hereto by executing a counterpart signature
page hereof in the form of Exhibit A hereto or such other form as may be designated by the Board of Directors (as defined below) and, at such time is designated by the Board of Directors as one of the “Other Investors” (the
“Other Investors”); and 
 (vii) such other Persons who from time to time become party hereto by executing a
counterpart signature page hereof in the form of Exhibit A hereto or such other form as may be designated by the Board of Directors and, at such time (i) are designated by the Board of Directors as “Managers” and
(ii) provide services to Echo, the Company or their respective Subsidiaries (together with their Permitted Transferees, the “Managers” and together with the Sponsors and the Other Investors, the
“Stockholders”). 
 RECITALS 

WHEREAS, the Stockholders hold in the aggregate one hundred percent (100%) of the issued and outstanding shares of capital stock of Echo as
of the date hereof; 
  

 WHEREAS, Echo acquired equity interests in the Company pursuant to the Contribution
Agreement (as defined below) and is a party to and has obligations to the Company under the LLC Agreement (as defined below); 
 WHEREAS,
MCK acquired an indirect interest in the equity interests in the Company pursuant to the Contribution Agreement, and certain subsidiaries of MCK are parties to and have obligations to the Company under the LLC Agreement and have an interest in
certain aspects of Echo; and 
 WHEREAS, the parties hereto desire to provide for the governance and management of Echo and, indirectly,
the Company and to set forth the respective rights and obligations of the Stockholders (and, where applicable, the Company and MCK) generally. 

NOW, THEREFORE, in consideration of the foregoing and the mutual promises, covenants and agreements of the parties hereto, and for other good
and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto agree as follows: 
 ARTICLE I

 DEFINITIONS 

Section 1.1 Definitions. As used in this Agreement, the following terms shall have the following meanings: 

“Affiliate” means, with respect to any specified Person, (a) any other Person which directly or indirectly through one or
more intermediaries controls, or is controlled by, or is under common control with, such specified Person (for the purposes of this definition and the definition of “Subsidiary”, “control” (including, with correlative
meanings, the terms “controlling,” “controlled by” and “under common control with”), as used with respect to any Person, means the possession, directly or indirectly, of the power to direct or cause
the direction of the management or policies of such Person, whether through the ownership of voting securities, by agreement or otherwise) and (b) with respect to any natural Person, any Member of the Immediate Family of such natural Person;
provided, that for purposes of this Agreement (i) no Stockholder or such Stockholder’s Affiliates (other than Echo, the Company and their Subsidiaries) shall be deemed an Affiliate of Echo, the Company or any of its Subsidiaries,
(ii) except for purposes of Section 3.2, no Sponsor shall be considered an Affiliate of any of its portfolio companies nor shall any portfolio company of a Sponsor be considered to be an Affiliate of such Sponsor,
(iii) Echo, the Stockholders (including the Sponsors), the Company and their respective Affiliates, on the one hand, shall not be deemed to be Affiliates of MCK and its Affiliates, on the other hand, and (iv) for the avoidance of doubt,
the Company shall not be deemed to be an Affiliate of any Sponsor. 
 “Affiliated Officer” means an officer or other key
employee of Echo, the Company or any of their respective Subsidiaries affiliated with any Sponsor other than solely as a result of being an officer of Echo, the Company or any of their respective Subsidiaries. 

“Affiliated PE Funds” means, with respect to any Sponsor, any (a) co-investment
vehicle or other special purpose vehicle formed to indirectly transfer the economic, dispositive or other direct or indirect ownership interest in such Sponsor’s Echo Shares (or indirect interest in Units of, or other Equity Interests in, the
Company) or otherwise circumvent the provisions of this 

  
 - 2 - 

 
Agreement or (b) any successor private equity investment fund of such Sponsor that makes investments in multiple portfolio companies (together with any alternative investment vehicles
related to that private equity investment fund that is Affiliated with such Sponsor, or for which such Sponsor or its Affiliates serve as the general partner, manager or advisor). 

“Agreement” has the meaning set forth in the preamble. 

“Articles” means the certificate of incorporation and by-laws of Echo. 

“Blackstone” has the meaning set forth in the preamble. 

“Board of Directors” means the board of directors of Echo. 

“Board of Managers” means the board of directors of the Company. 

“Breaching Stockholder” has the meaning set for in Section 7.14(b). 

“Business Day” means any day other than a Saturday, Sunday or day on which banking institutions in New York, New York are
authorized or obligated by law or executive order to close. 
 “Cause” with respect to any holder of Management Shares,
(a) has the meaning, if any, set forth in the employment agreement then in effect, if any, between the holder to whom such Management Shares were originally issued and Echo, the Company or their respective Subsidiaries or (b) if there is
no such meaning in such employment agreement or there is no such employment agreement then in effect, has the meaning set forth in an Approved Echo Plan. 

“Class X Stock” means the Class X Stock, par value $0.001 per share, of Echo. 

“Class X Termination Time” has the meaning set for in Section 2.4(e). 

“Code” means the U.S. Internal Revenue Code of 1986, as amended, and any successor thereto, and any rules and regulations
promulgated thereunder, all as the same shall be in effect from time to time. 
 “Common Stock” means the Common Stock of
Echo, par value $0.001 per share, including any shares of common stock of Echo issued or issuable with respect to such common stock by way of a stock dividend or distribution payable thereon or stock split, reverse stock split, recapitalization,
reclassification, reorganization, exchange, subdivision or combination thereof. 
 “Company” has the meaning set forth in
the preamble. 
 “Company Drag-Along Sale” means a Drag-Along Sale under Section 9.03 of the LLC Agreement. 

“Company Sale” means (a) any acquisition, merger or consolidation of Echo with or into any other entity, any Transfer of
Echo Shares or any other similar transaction, whether in a single transaction or series of related transactions, in which (i) the Sponsors (or their Affiliates or Permitted Transferees) immediately prior to such transaction in the aggregate
cease to own more 

  
 - 3 - 

 
than fifty percent (50%) of the general voting power of the entity surviving or resulting from such transaction (or its stockholders) or (ii) any Person or Group (other than any of the
Sponsors or their respective Permitted Transferees or Affiliates) becomes the beneficial owner (within the meaning of Rule 13d-5 of the Exchange Act) directly or indirectly of more than fifty percent (50%) of
the general voting power of the entity surviving or resulting from such transaction (or its equity holders); provided, however, that, in the case of clauses (i) and (ii) above, in determining whether a Company Sale of Echo has
occurred, Transfers to any Permitted Transferee shall not be taken into account; (b) the sale or Transfer by Echo of all or substantially all of its assets, including its Units in the Company, to any Person or Group (other than any of the
Sponsors or their respective Permitted Transferees); or (c) a Company Sale of the Company under the LLC Agreement. 

“Compete” means, with respect to a Manager, the breach by such Manager of any
non-competition or non-solicitation covenant or a material breach of any confidentiality, non-disclosure or other similar
covenant made by such Manager in favor of Echo, the Company or any of their respective Subsidiaries, and “Competes”, “Competed” and “Competition” will each have a correlative meaning. 

“Contribution Agreement” means that certain Agreement of Contribution and Sale, dated as of June 28, 2016 among Echo,
Change Intermediate, Change Holdings, MCK, the Company, Echo Holdco, Blackstone, H&F and the other equityholders of Echo Holdco set forth therein. 

“Convertible Securities” means any securities (other than Options or Warrants) that are convertible into or exercisable or
exchangeable for Common Stock. 
 “Disability” with respect to any holder of Management Shares, (a) has the meaning,
if any, set forth in the employment agreement then in effect, if any, between the holder to whom such Management Shares were originally issued and Echo, the Company or their respective Subsidiaries or (b) if there is no such meaning in such
employment agreement or there is no such employment agreement then in effect, has the meaning set forth in an Approved Echo Plan. 

“Drag-Along Buyer” has the meaning set forth in Section 4.2(a). 

“Drag-Along Notice” has the meaning set forth in Section 4.2(a). 

“Drag-Along Sale” has the meaning set forth in Section 4.2(a). 

“Echo” has the meaning set forth in the preamble. 

“Echo Holdco” means Change Healthcare, Inc., a Delaware corporation. 

“Echo Shares” means all Sponsor Shares, Other Investor Shares and Management Shares, but excluding the Class X Stock.

 “Equity Interests” means, with respect to any Person (a) any capital stock, partnership interests, limited
liability company interests, units or any other type of Equity Interest, or other indicia of equity ownership (including profits interests), including, in the case of Echo, the Common Stock (collectively, “Interests”), (b) any
security convertible into or exercisable or exchangeable for, with or without consideration, any Interests (including any option to purchase 

  
 - 4 - 

 
such convertible security), (c) any security carrying any warrant or right to subscribe to or purchase any security described in clause (a) or clause (b), (d) any such warrant or right or
(e) any security issued in exchange for, upon conversion of or with respect to any of the foregoing securities, of such Person. 

“Equivalent Shares” means, at any date of determination, (a) as to any outstanding shares of Common Stock, such number
of shares of Common Stock and (b) as to any outstanding Options, Warrants or Convertible Securities which are convertible, exercisable or exchangeable into Common Stock, the maximum number of shares of Common Stock for which or into which such
Options, Warrants or Convertible Securities may at the time be exercised, converted or exchanged (or which will become exercisable, convertible or exchangeable on or prior to, or by reason of, the transaction or circumstance in connection with which
the number of Equivalent Shares is to be determined). 
 “Exchange Act” means the United States Securities Exchange Act of
1934, as amended, and any successor thereto, and any rules and regulations promulgated thereunder, all as the same shall be in effect from time to time. 

“Fair Market Value” means, as of any date, as to any share of Common Stock or other Equity Interests of any Person, the fair
value of such share or other Equity Interest as of the applicable reference date which valuation shall, for the avoidance of doubt, exclude any illiquidity or lack of marketability discounts, controlling stockholder discounts, minority discounts
and/or similar discounts, (i) determined as provided under Section 4.2(b) or Section 4.3 to the extent applicable or (ii) otherwise determined in good faith by the Board of Directors.

 “Good Reason” with respect to any holder of Management Shares, has the meaning, if any, set forth in the employment
agreement then in effect, if any, between the holder to whom such Management Shares were originally issued and Echo, the Company or their respective Subsidiaries; provided, that if there is no such meaning in such employment agreement or
there is no such employment agreement then in effect, has the meaning set forth in an Approved Echo Plan. 
 “Government
Official” means any public or elected official, officer or employee (regardless of rank), or other Person acting on behalf of a Governmental Authority. 

“Governmental Authority” means any national, federal, regional, municipal or foreign government; international authority
(including, in each case, any central bank or fiscal, Tax or monetary authority); governmental agency, authority, division, department; the government of any prefecture, state, province, country, municipality or other political subdivision thereof;
and any governmental body, agency, authority, division, department, board or commission, or any instrumentality or officer acting in an official capacity of any of the foregoing, including any court, arbitral tribunal or committee exercising any
executive, legislative, judicial, regulatory or administrative functions of government. 
 “Group” has the meaning set
forth in Section 13(d)(3) and Rule 13d-5 of the Exchange Act. 

  
 - 5 - 

 “HSR Waiting Period” means the applicable waiting period under the
Hart-Scott-Rodino Antitrust Improvements Act of 1976. 
 “Immediate Family” means, with respect to any individual, each
spouse or child or other descendants of such individual, each trust created solely for the benefit of one or more of the aforementioned Persons and their spouses and each custodian or guardian of any property of one or more of the aforementioned
Persons in his capacity as such custodian or guardian. 
 “Independence Requirements” means the requirements for
independence prescribed by each of The New York Stock Exchange, the NASDAQ Stock Market and the SEC that is required of a director to serve on the audit committee of a public issuer, whether such requirement is pursuant to Rule 5605 of the NASDAQ
Listing Rules, Section 303A.01 of the NYSE Listed Company Manual, Rule 10A-3(b)(1) under the Exchange Act, or otherwise (and in each case, under any other successor rule). 

“LLC Agreement” means that certain Amended and Restated Limited Liability Company Agreement of the Company, dated as of
March 1, 2017, as the same may be amended from time to time. 
 “Majority Blackstone Investors” means, as of any date,
the holders of a Majority in Interest of the Echo Shares held by Blackstone. 
 “Majority H&F Investors” means, as of
any date, the holders of a Majority in Interest of the Echo Shares held by H&F. 
 “Majority in Interest” means, with
respect to (a) Sponsor Shares, a majority of such Sponsors Shares; (b) Other Investor Shares, a majority of such Other Investor Shares and (c) with respect to Management Shares, a majority of such Management Shares. 

“Managers” has the meaning set forth in the preamble. 

“Management Shares” means (a) all shares of Common Stock originally issued to, or issued with respect to shares
originally issued to, or held by, a Manager, whenever issued, including all shares of Common Stock issued upon the exercise, conversion or exchange of any Options, Warrants or Convertible Securities and (b) all Options, Warrants and Convertible
Securities originally granted or issued to a Manager (treating such Options, Warrants and Convertible Securities as a number of shares of Common Stock equal to the number of Equivalent Shares represented by such Options, Warrants and Convertible
Securities for all purposes of this Agreement, except (i) for purposes of Article V and (ii) as otherwise specifically set forth herein). 

“MCK” has the meaning set forth in the preamble. 

“MCK Trigger Date” means the date of the earliest to occur of (i) the consummation of a Qualified MCK Exit,
(ii) the expiration or termination of an MCK Exit Window and (iii) the expiration, prior to the consummation of a Qualified IPO, of the IPO Preference Period. 

“Merger” has the meaning set forth in Section 2.4(b). 

  
 - 6 - 

 “Merger Agreement” has the meaning set forth in
Section 2.4(b). 
 “Necessary Action” means, (a) with respect to a specified result of Echo,
all actions (to the extent such actions are permitted by law) necessary to cause such specified result, including (i) voting or providing a written consent or proxy (provided, that H&F shall not be required to provide a proxy other
than for purposes of Section 3.4(b)(ii)) with respect to a Stockholder’s Echo Shares whether at any annual or special meeting, by written consent or otherwise, (ii) causing the adoption of shareholders’
resolutions and amendments to the Articles, (iii) causing members of the Board of Directors (to the extent such members were nominated or designated by the Person obligated to undertake the Necessary Action, and subject to any fiduciary duties
that such members may have as directors of Echo) to act in a certain manner or causing them to be removed in the event they do not act in such a manner, (iv) executing agreements and instruments necessary to achieve such specified result, and
(v) making, or causing to be made, with governmental, administrative or regulatory authorities, all filings, registrations or similar actions that are required to achieve such specified result; or (b) with respect to a specified result of
the Company, all actions (to the extent such actions are permitted by law) necessary to cause such specified result, including (i) voting or providing a written consent or proxy (provided, that H&F shall not be required to provide a
proxy other than for purposes of Section 3.4(b)(ii)) with respect to Echo’s direct or indirect Equity Interests in the Company whether at any annual or special meeting, by written consent or otherwise,
(ii) causing the adoption of member resolutions and amendments to the LLC Agreement, (iii) causing members of the Board of Managers (to the extent such members were nominated or designated by the Person obligated to undertake the Necessary
Action) to act in a certain manner or causing them to be removed in the event they do not act in such a manner, (iv) executing agreements and instruments necessary to achieve such specified result, and (v) making, or causing to be made,
with governmental, administrative or regulatory authorities, all filings, registrations or similar actions that are required to achieve such specified result. 

“New Issuance” has the meaning set forth in Section 5.1(b). 

“Newly Issued Securities” has the meaning set forth in Section 5.1(b). 

“Options” means any options to subscribe for, purchase or otherwise acquire shares of Common Stock. 

“Other Investor” has the meaning set forth in the preamble. 

“Other Investor Shares” means (a) all shares of Common Stock originally issued to, or issued with respect to shares
originally issued to, or held by, an Other Investor, whenever issued, including all shares of Common Stock issued upon the exercise, conversion or exchange of any Options, Warrants or Convertible Securities and (b) all Options, Warrants and
Convertible Securities originally granted or issued to an Other Investor (treating such Options, Warrants and Convertible Securities as a number of shares of Common Stock equal to the number of Equivalent Shares represented by such Options, Warrants
and Convertible Securities for all purposes of this Agreement except as otherwise specifically set forth herein). 
 “Ownership
Interest” means the percentage of the outstanding shares of Common Stock owned by a Person on a fully diluted basis. 

  
 - 7 - 

 “Permitted Transferee” has the meaning ascribed to it in the LLC Agreement;
provided, that Blackstone’s Affiliated PE Funds shall not be considered Permitted Transferees of Blackstone (x) for purposes of clause (1) of Section 4.3(a) and (y) solely for purposes of
such Section 4.3, for purposes of the definition of Company Sale. 
 “Person” means an
individual, partnership, limited liability company, corporation, company, trust, association, estate, unincorporated organization or a government or any agency or political subdivision thereof. 

“Preemptive Rights Notice” has the meaning set forth in Section 5.1(b). 

“Pro Rata Portion” means: (a) for purposes of any Drag-Along Sale under Section 4.2 of this
Agreement, a number of Echo Shares determined by multiplying (i) the number of Echo Shares proposed to be Transferred by (ii) a fraction, the numerator of which is the number of Units of the Company such Stockholder holds,
directly or indirectly (through ownership of Echo Shares or otherwise), and the denominator of which is the aggregate number of Units in the Company held by all Stockholders, directly or indirectly (through ownership of Echo Shares or otherwise);
(b) for purposes of any Proposed Transfer under Section 4.3, a number of Echo Shares determined by multiplying (i) the number Units directly or indirectly held by H&F by (ii) a fraction, the
numerator of which is the number of Units of the Company proposed to be directly or indirectly (through ownership of Echo Shares or otherwise) Transferred by Blackstone in connection with any Proposed Transfer and the denominator of which is the
aggregate number of Echo Shares and (without duplication) Units directly or indirectly (through ownership of Echo Shares or otherwise) held by Blackstone; and (c) for purposes of Section 5.1 (with respect to
“preemptive rights”), a number of Newly Issued Securities determined by multiplying (i) the number of Newly Issued Securities that Echo proposes to issue on the relevant issuance date by (ii) a fraction, the
numerator of which is the number of Echo Shares held by the relevant Stockholder entitled to participate in the applicable New Issuance who has elected to participate in such New Issuance and the denominator of which is the aggregate number of Echo
Shares held by all Stockholders entitled to participate in the applicable New Issuance who have elected to participate in such New Issuance, in each case as of immediately prior to giving effect to such New Issuance. 

“Proposed Transfer” has the meaning set forth in Section 4.3(a). 

“Proposed Transferee” has the meaning set forth in Section 4.3(a). 

“Purchased Management Shares” means, with respect to a Manager (or a Person to whom any Echo Shares were originally issued at
the request of such Manager) or a direct or indirect Permitted Transferee of a Manager (or any such Person to whom any Echo Shares were originally issued at the request of such Manager), all of the Echo Shares which are not Options, Warrants or
Convertible Securities held by such Manager, Person or Permitted Transferee, if applicable. 
 “Qualified IPO” has the
meaning ascribed to it in the LLC Agreement. 
 “Qualified MCK Exit” has the meaning ascribed to it in the LLC Agreement.

  
 - 8 - 

 “Registration Rights Agreement” means that certain Registration Rights
Agreement, dated as of March 1, 2017 among Echo, the MCK Members (as defined therein), the Company Parties, Blackstone and H&F. 

“Representatives” means, with respect to any Person, any of such Person’s officers, directors, employees, agents,
attorneys, accountants, actuaries, consultants, equity financing partners or financial advisors or other Person associated with, or acting on behalf of, such Person. 

“Restricted Person” means any individual who is (i) under investigation or the subject of an inquiry by a Governmental
Authority relating to, has been convicted of (including as a result of the entry of a guilty plea, a consent judgment or a plea of nolo contendere), or has been charged civilly with, in each case, a violation of any anti-corruption laws; (ii) a
Government Official or close family member of a Government Official; or (iii) subject to (or has been subject to) sanctions by a self-regulatory organization. 

“SEC” means the United States Securities and Exchange Commission or any successor agency having jurisdiction under the
Securities Act. 
 “Securities Act” means the United States Securities Act of 1933, as amended, and any successor thereto,
and any rules and regulations promulgated thereunder, all as the same shall be in effect from time to time. 
 “Sponsor”
means each of Blackstone and H&F. 
 “Sponsor Director” means any director designated by any Sponsor. 

“Sponsor Shares” means (a) all shares of Common Stock originally issued to, or issued with respect to shares originally
issued to, or held by, a Sponsor, whenever issued, including all shares of Common Stock issued upon the exercise, conversion or exchange of any Options, Warrants or Convertible Securities and (b) all Options, Warrants and Convertible Securities
originally granted or issued to a Sponsor (treating such Options, Warrants and Convertible Securities as a number of shares of Common Stock equal to the number of Equivalent Shares represented by such Options, Warrants and Convertible Securities for
all purposes of this Agreement except as otherwise specifically set forth herein). 
 “Stockholder” has the meaning set
forth in the preamble. 
 “Subsidiary” means, with respect to any specified Person, any other Person (a) a majority of
whose Equity Interests (whether by voting power or by economic interest) are at the time directly or indirectly owned by such specified Person, (b) who is controlled by such specified Person or whose Equity Interests having by their terms the
power to elect a majority of the board of directors or other Persons performing similar functions are owned or controlled, directly or indirectly, by such specified Person and/or one or more Subsidiaries of such specified Person, or (c) whose
business and policies such specified Person and/or one or more Subsidiaries of such specified Person have the power to direct; provided, that the term Subsidiary, when used with respect to MCK, any Echo Stockholder or any of its Affiliates,
shall not include the Company or any of its Subsidiaries. 

  
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 “Tag-Along Notice” has the meaning
set forth in Section 4.3(b). 
 “Transaction Documents” has the meaning ascribed to it in the
Contribution Agreement. 
 “Transfer” means, with respect to any Equity Interest, a direct or indirect transfer, sale,
exchange, assignment, pledge, hypothecation or other encumbrance or other disposition of such Equity Interest, including the grant of an option or other right, whether directly or indirectly, whether voluntarily, involuntarily or by operation of
law; and “Transferred”, “Transferee” and “Transferability” shall each have a correlative meaning. 

“VCOC Stockholder” has the meaning set forth in Section 3.3(a). 

“Warrants” means any warrants to subscribe for, purchase or otherwise directly acquire shares of Common Stock. 

Section 1.2 Other Interpretive Provisions. (a) The meanings of defined terms are equally applicable to the singular and
plural forms of the defined terms. 
 (a) The words “hereof”, “herein”, “hereunder” and
similar words refer to this Agreement as a whole and not to any particular provision of this Agreement; and any subsection and section references are to this Agreement unless otherwise specified. 

(b) The term “including” is not limiting and means “including without limitation.” 

(c) The captions and headings of this Agreement are for convenience of reference only and shall not affect the interpretation of this
Agreement. 
 (d) Whenever the context requires, any pronouns used herein shall include the corresponding masculine, feminine or neuter
forms. 
 (e) Any capitalized terms used in this Agreement but not otherwise defined herein shall have the meaning as defined in the LLC
Agreement. 
 (f) Where this Agreement refers to the number of Units of the Company directly or indirectly owned or held by a Stockholder,
such Stockholder shall be deemed to own or hold a number of Units indirectly through its ownership of Echo Shares as determined by reference to the Echo Ratio. 

(g) The parties have participated jointly in the negotiation and drafting of this Agreement. In the event an ambiguity or question of intent or
interpretation arises, this Agreement shall be construed as if drafted jointly by the parties and no presumption or burden of proof shall arise favoring or disfavoring any party by virtue of the authorship of any of the provisions of this Agreement.

  
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 ARTICLE II 

REPRESENTATIONS AND WARRANTIES; COVENANTS 

Section 2.1 Representations and Warranties of the Parties. Each of the parties to this Agreement hereby represents and warrants
(on a several basis, solely as to itself) to each other party to this Agreement that as of the date such party executes this Agreement: 

(a) Existence; Authority; Enforceability. Such party has the power and authority to enter into this Agreement and to carry out its
obligations hereunder. In the case of parties who are not natural Persons, such party is duly organized and validly existing under the laws of its jurisdiction of organization, and the execution of this Agreement, and the consummation of the
transactions contemplated herein, have been authorized by all necessary action, and no other act or proceeding on its part is necessary to authorize the execution of this Agreement or the consummation of any of the transactions contemplated hereby.
This Agreement has been duly executed by it and constitutes its legal, valid and binding obligations, enforceable against it in accordance with its terms. 

(b) Absence of Conflicts. The execution and delivery by such party of this Agreement and the performance of its, his or her obligations
hereunder does not and will not: (a) in the case of parties who are not natural Persons, violate, conflict with, or result in the breach of any provision of the constitutive governing documents of such party; (b) result in any violation,
breach, conflict, default or event of default (or an event which with notice, lapse of time, or both, would constitute a default or event of default), or give rise to any right of acceleration or termination or any additional payment obligation,
under the terms of any material contract, agreement or permit to which such party is a party or by which such party’s assets or operations are bound or affected; or (c) violate any material law applicable to such party. 

(c) Consents. Other than any consents which have already been obtained, no consent, waiver, approval, authorization, exemption,
registration, license or declaration is required to be made or obtained by such party in connection with (a) the execution, delivery or performance of this Agreement or (b) the consummation of any of the transactions contemplated herein.

 Section 2.2 Representations and Warranties of Echo. Echo represents and warrants to each of the Stockholders, the Company and
MCK as follows: 
 (a) as of the date hereof and after giving effect to the transactions contemplated by the Contribution Agreement, the
authorized capital stock of Echo consists of (i)(x) 2,000,0001 shares of Common Stock, of which 597,139.25 shares were issued and outstanding immediately following the consummation of the transactions contemplated by the Contribution Agreement, all
of which are owned by the Stockholders party hereto, and (y) one (1) share of Class X Stock, which has not been issued, and (ii) no other Equity Interests of Echo are authorized, issued or outstanding, other than those authorized,
issued or outstanding under an Approved Echo Plan; 
 (b) Echo will, directly or indirectly, hold at least the Echo Minimum Ownership
immediately following the consummation of the transactions contemplated by the Contribution Agreement; and 
 (c) Echo is a newly formed
holding company formed for the purpose of the transactions contemplated by this Agreement, the LLC Agreement and the Contribution Agreement and is not currently an obligor or guarantor under, or otherwise subject to, any indebtedness, has conducted
no operations and does not own any assets other than Units in the Company, in each case, other than as contemplated by the Transaction Documents. 

  
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 Section 2.3 Representations and Warranties of the Stockholders. Each of the
Stockholders hereby represents and warrants (on a several basis, solely as to itself) to Echo that (i) each of the representations and warranties made by Echo specifically relating to such Stockholders contained in Sections 4.01(a)(ii), (b),
(c), (d), (e)(i), (v), and (y) of the Contribution Agreement (the “Echo Shareholder Reps”) were true and correct as of the date thereof and (ii) each of the Echo Shareholder Reps are true and correct in all material
respects at and as of the Closing as if made at and as of such time (other than representations and warranties that by their terms address matters only as of another specified time, which shall be true and correct in all material respects only as of
such time). 
 Section 2.4 Covenants of the Stockholders. 

(a) Minimum Ownership. Notwithstanding anything to the contrary herein or in the LLC Agreement, each of the Stockholders and Echo
covenant and agree, for the benefit of the Company and MCK, that no Transfers under this Agreement or the LLC Agreement or otherwise of Units of the Company or Echo Shares or other Equity Interests in the Company or Echo (or any beneficial interest
of any of the foregoing therein) by Echo or the Stockholders shall be permitted if (i) prior to the MCK Trigger Date, such Transfer would result in the Stockholders (and their Permitted Transferees) party hereto holding, directly or indirectly,
less than 50.1% of any class and/or series of voting securities (other than the Class X Stock) of Echo on a fully diluted basis (taking into account all Equity Interests of Echo convertible or exercisable into or exchangeable for Echo Shares,
including Options, Warrants and Convertible Securities) or (ii) prior to the earlier to occur of (x) the consummation of a Qualified MCK Exit or (y) the third (3rd) anniversary of
Closing, the Membership Percentage of Echo would fall to less than 17.5% (calculated on a fully-diluted basis taking into account any Units issuable upon (including pursuant to Section 3.03 of the LLC Agreement) the conversion, exercise,
exchange, settlement or vesting of Echo Shares or other Equity Securities of Echo and, without duplication, any Equity Securities of the Company, Echo or any of their Subsidiaries authorized for issuance under any Approved Plan). 

(b) Class X Stock. Following a Qualified IPO, and prior to the MCK Trigger Date, in the event Echo breaches the terms of, or otherwise
fails to take any action then required to be taken pursuant to the terms of, the Agreement and Plan of Merger, between Echo and MCK dated December 20, 2016, as amended, replaced or supplemented from time to time (the “Merger
Agreement,” and/or the merger contemplated by the Merger Agreement and/or the LLC Agreement, the “Merger”), including for the avoidance of doubt, the failure to obtain any necessary approval of the Board of Directors or
Stockholders of Echo required in connection with the Merger, then following the delivery to Echo by MCK of a written notice of such breach or failure, the Sponsors and the Stockholders shall take all Necessary Action to promptly issue to MCK (or one
of its designated Affiliates) one (1) share of Class X Stock for the legal minimum consideration for such share which, when issued in accordance with the terms hereof, shall be duly authorized and validly issued, fully paid and non-assessable, and have the rights set forth in the Articles. 

  
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 (c) Authorized Capital Stock; Reservation of Shares. Echo shall at all times cause a
number of authorized shares of Common Stock to be authorized and held in reserve as will be sufficient to comply with any and all requests for exchange of Units for Common Stock that may be made pursuant to the LLC Agreement or the Registration
Rights Agreement. At all times prior to the MCK Trigger Date, Echo shall, and the Sponsors and Stockholders shall take all Necessary Action in connection therewith, to ensure that Echo maintains one (1) share of Class X Stock authorized
and reserved for issuance to MCK (or one of its designated Affiliates) pursuant to Section 2.4(b) hereof, and no other shares of Class X Stock shall be authorized or issued to any other Person other than MCK (or such
designated Affiliate). 
 (d) Articles; Merger; Other Actions. Prior to the MCK Trigger Date, Echo shall not allow to occur any of the
following actions without the prior approval of MCK: (x) any amendment, alteration or repeal, or the adoption of any provision inconsistent with Article IV of Echo’s certificate of incorporation (including without limitation any amendment,
alteration, repeal or adoption effected by merger or otherwise) or that would otherwise adversely affect MCK (or its equityholders); or (y) any action (including the adoption of any stockholder rights plan, poison pill or similar document) that
could materially prevent, impede, hinder or delay the Merger or any Special Matter (as defined in the Articles) approved by the Class X Director or on which the Class X Director would have the authority to vote assuming the Class X
Stock was outstanding. 
 (e) Redemption. Upon the earliest to occur of (x) the consummation of the Merger or (z) the
expiration of the MCK Exit Window (as defined in the LLC Agreement (as defined below)) (such time, the “Class X Termination Time”), the share of Class X Stock, if outstanding, shall be automatically redeemed
for a cash amount equal to $1.00, but only to the extent redemption is permitted by applicable law. Upon such redemption the share of Class X Stock shall be automatically retired and cancelled and may not be reissued. 

Section 2.5 Termination of Covenants. Each of the covenants set forth in Section 2.4 (other than the
first sentence of Section 2.4(c)) shall terminate upon the MCK Trigger Date; provided, however, that clause (ii) of Section 2.4(a) shall survive until the earlier to occur of
(x) the consummation of a Qualified MCK Exit or (y) the third (3rd) anniversary of Closing. 

ARTICLE III 
 GOVERNANCE

 Section 3.1 Board Composition. 

(a) Pre-IPO Board of Directors. Prior to the applicability of Section 3.1(b) below, the
Stockholders and Echo shall take all Necessary Action to cause the Board of Directors to be comprised of three (3) directors, whom shall be designated by Majority Blackstone Investors; provided, that at the election of the Majority Blackstone
Investors, the size of the Board of Directors may be increased to five (5) directors to accommodate the election of independent directors to be selected by Majority Blackstone Investors. The initial directors of the Board of Directors of Echo
shall be Neil Simpkins, Justin Sunshine and Nick Kuhar. 

  
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 (b) Post-IPO Board of Directors. Effective
immediately prior to a Qualified IPO and in connection with the consummation of a Qualified IPO, the Stockholders and Echo shall take all Necessary Action to cause the Board of Directors to be comprised of such directors as Majority Blackstone
Investors shall designate; provided, that (i) such Board of Directors shall meet any and all applicable Independence Requirements and the other rules and regulations of the SEC and any applicable stock exchange and (ii) such
designees shall only be appointed to the Board of Directors to serve for terms of no more than one (1) year. Following such Qualified IPO and prior to consummation of a Qualified MCK Exit, for so long as Blackstone (together with its Permitted
Transferees and Affiliates) continues to hold fifty percent (50%) or more of the aggregate number of shares of Common Stock, the Majority Blackstone Investors shall be entitled to nominate to the Board of Directors a number of directors equal to a
majority of the total members of the Board of Directors. Following a Qualified MCK Exit, for so long as Blackstone (together with its Permitted Transferees and Affiliates) continues to hold fifty percent (50%) or more of the aggregate number of
shares of Common Stock issued to Blackstone on the date hereof (as appropriately adjusted for any stock split, stock dividend, combination, recapitalization or the like), the Majority Blackstone Investors shall be entitled to nominate to the Board
of Directors a number of directors equal to a majority of the total members of the Board of Directors minus one director. 
 (c) The
composition of the Board of Directors shall be subject to applicable listing requirements, including, as applicable, NASDAQ Listing Rules, Section 303A.01 of the NYSE Listed Company Manual, Rule
10A-3(b)(1) under the Exchange Act, or otherwise (and in each case, under any other successor rule) and the Stockholders and Echo will cooperate and take all Necessary Action, including the Stockholders voting
all of their Echo Shares, to mutually select independent directors to comply with such listing requirements. Notwithstanding anything to the contrary in this Agreement, at such time as any Class X Stock is outstanding, and until the
Class X Termination Time, MCK shall have the right to designate the Class X Director (as defined in the Articles), and the Sponsors, the Stockholders, and, if applicable, MCK shall take all Necessary Action to ensure that the Board of
Directors includes the Class X Director (including any Necessary Action to increase the size of the Board, or to elect or appoint additional directors to the Board of Directors meeting the Independence Requirements that would be required or
advisable in connection with the addition of the Class X Director). 
 (d) Replacement. Prior to a Qualified IPO, if a designee
of Majority Blackstone Investors to the Board of Directors ceases to be a member of the Board of Directors (whether by removal, retirement or otherwise), such designee can only be replaced by Majority Blackstone Investors pursuant to this
Section 3.1(a). 
 (e) Necessary Action. Following a Qualified IPO, for so long as Majority Blackstone
Investors have the right to nominate a director for election to the Board of Directors pursuant to Section 3.1(b), in connection with each election of directors, (i) Echo shall nominate each of the Majority Blackstone
Investors’ director nominees for election as a director as part of the slate that is included in the proxy statement (or consent solicitation or similar document) of Echo relating to the election of directors, and shall provide the highest
level of support for the election of such nominee as it provides to any other individual standing for election as a director of Echo as part of Echo’s slate of directors, (ii) each Stockholder (other than H&F) shall take all Necessary
Action, including voting all of its Echo Shares in favor of each of the Majority Blackstone Investors’ director nominees nominated in accordance therewith, to cause such director nominees to be elected as a director of Echo, except to the
extent that the Majority Blackstone Investors may otherwise consent in writing, and (iii) in the event that any Blackstone director 

  
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nominee shall cease to serve as a director for any reason (other than the failure of the Stockholders to elect such individual as a director), Majority Blackstone Investors shall have the right
to appoint another director nominee to fill the vacancy resulting therefrom. To the extent MCK holds Equity Interests in Echo, MCK shall vote all of its voting Equity Interests in favor of each of the Majority Blackstone Investors’ director
nominees nominated in accordance with this Section 3.1. 
 (f) Restricted Persons. No member of the Board of
Directors or the respective boards of directors, board of managers and equivalent governing bodies of any of Echo’s Subsidiaries shall be (i) a director, manager, officer, key employee or significant equity holder of any material
competitor of Echo or the Company or (ii) a Restricted Person. 
 (g) Reimbursement. Echo shall reimburse each director and
manager (or equivalent Person) and each non-voting observer for all reasonable and documented out-of-pocket expenses incurred in
connection with their attendance at meetings of and participation in connection with the Board of Directors, the boards of directors and equivalent governing bodies of Echo, the Company or any of their respective Subsidiaries and any committees
thereof, including travel, lodging and meal expenses. For the avoidance of doubt, the term “out-of-pocket expenses” shall not include the cost of private or
chartered aircraft. Echo shall seek reimbursement from the Company (or its Subsidiaries) for any amounts paid pursuant to the foregoing. 

(h) Observers. Each Sponsor and MCK shall have the right, exercisable by delivering notice to the Company, to designate one (1) non-voting observer to attend any meetings of the Board of Directors, the boards of directors and equivalent governing bodies of Echo’s Subsidiaries and any committees of either of the foregoing.
Notice of meetings of the Board of Directors, the boards of directors and equivalent governing bodies of Echo’s Subsidiaries and any committees thereof shall be furnished (together with all materials to be provided to the Board of Directors) to
each non-voting observer no later than, and using the same form of communication as, notice of meetings of the Board of Directors, the Board of Managers, the boards of directors and equivalent governing bodies
of Echo’s Subsidiaries and any committees thereof, as the case may be, that are furnished to the members of the Board of Directors, the Board of Managers, the boards of directors and equivalent governing bodies of Echo’s Subsidiaries and
any committees thereof, respectively; provided, that Echo, the Company or its Subsidiaries, as the case may be, shall be entitled to remove such observer from such portions of a meeting of the Board of Directors, the Board of Managers, the
boards of directors or equivalent governing bodies of any of Echo’s Subsidiaries or any committees thereof, in each case, to the extent such observer’s presence would be likely to result in the waiver of any attorney client privilege. Any
observer designated under this Section 3.1(h) shall be permitted to attend any meeting of any of the Board of Directors, the boards of directors and equivalent governing bodies of Echo’s Subsidiaries and any committees
of either of the foregoing, in each case, using the same form of communication permitted for members of such Board of Directors, boards of directors and equivalent governing bodies of Echo’s Subsidiaries or any committees thereof. 

(i) Information. For so long as H&F continues to hold five percent (5%) or more of the aggregate number of Echo Shares issued to
H&F on the date hereof (as appropriately adjusted for any stock split, stock dividend, combination, recapitalization or the like), Echo shall promptly provide or make available to H&F all information provided to Echo under Article 12 of the
LLC Agreement (including any information provided by Echo to Blackstone or any Affiliate of Blackstone); provided, that such information shall be subject to Section 7.4 hereof. 

  
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 (j) Second Echo Sale Window Notice. Upon the written request of either H&F or
Blackstone, H&F and Blackstone shall deliver an Echo Shareholder Notice contemplated by Section 10.03(b) of the LLC Agreement. 

Section 3.2 Matters Requiring Stockholder Approval. 

(a) Prior to a Qualified IPO, for so long as H&F continues to hold five percent (5%) or more of the aggregate number of Echo Shares issued
to H&F on the date hereof (as appropriately adjusted for any stock split, stock dividend, combination, recapitalization or the like), the Stockholders shall take all Necessary Action to cause Echo not to take, and Echo shall not take, and shall
take all action to cause its Subsidiaries not to take, and the Company shall not take, and shall take all action to cause its Subsidiaries not to take, any of the following actions, without the prior written consent of the holders of a Majority in
Interest of Echo Shares held by H&F, as of the date of such action, except to the extent any such actions are required to consummate (x) the Qualified IPO pursuant to and compliance with the terms of the LLC Agreement or (y) a
Drag-Along Sale pursuant to and in compliance with Section 4.2 or Section 9.03 of the LLC Agreement: 

(i) unless otherwise contemplated by, or reasonably necessary for compliance with, the terms of this Agreement or any of the
other Transaction Documents, the entry into, or amendment or termination of, any agreement or transaction, directly or indirectly, with Blackstone or any of its Affiliates or portfolio companies, except for ordinary course transactions between Echo
and/or any of its Subsidiaries, or the Company and/or any of its Subsidiaries, on the one hand, and a Blackstone portfolio company, on the other hand, that are on arms’-length terms; 

(ii) unless otherwise contemplated by, or reasonably necessary for compliance with, the terms of this Agreement or any of the
other Transaction Documents, the entry into, or amendment or termination of, any series of transactions among MCK or any of its Affiliates or portfolio companies, one the one hand, and Blackstone or any of its Affiliates or portfolio companies, on
the other hand, solely to the extent related to the transactions contemplated by the Transaction Documents; provided, that for the avoidance of doubt, the foregoing shall not prohibit ordinary course transactions between a MCK portfolio
company, on the one hand, and a Blackstone portfolio company, on the other hand, that are on arms’-length terms; 

(iii) an amendment of, or any change to or waiver of the provisions of (w) the Articles or the certificates or articles of
incorporation, by-laws or equivalent constituent governing documents (including the LLC Agreement and Section 11.04(a) and Section 11.04(c) thereof) of Echo and/or any of its Subsidiaries, or the
Company and/or any of its Subsidiaries that would materially and adversely affect H&F or disproportionately affect H&F relative to Blackstone, other than amendments entered into to increase the number of authorized shares of Common Stock,
(x) the LLC Agreement in a manner that would be disproportionately adverse to H&F relative to Blackstone, (y) Section 5.01(j), Article 9, Article 10 and Section 14.02, in each case, of the LLC Agreement in a manner that is
adverse to H&F and (z) the Registration Rights Agreement in a manner that is adverse to H&F; 

  
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 (iv) any Transfer of Units by Echo (x) to Blackstone or any Permitted
Transferee of Blackstone or (y) for consideration consisting in whole or in part of cash; provided, that this clause shall not apply to any Transfer of Units in connection with any Approved Echo Plan; 

(v) entry into any agreement that restricts or prohibits, in any material respect, the Stockholders (or any of their respective
Affiliates) from conducting any type of business in any location, including any such agreement approved under clause (v) of Section 5.05(a) of the LLC Agreement, in each case, solely to the extent that any such agreement disproportionately
affects H&F (or its Affiliates) relative to Blackstone or MCK; 
 (vi) any declaration or payment of any dividend or the
making of any distributions on, or any redemption and/or repurchase of, any Equity Interests of Echo, except, in each case, (x) to the extent such dividends, distributions, redemptions and/or repurchases are made on a pro rata basis to
all Stockholders based on each Stockholder’s relative ownership of Equity Interests in Echo and the amounts paid, distributed or otherwise received by the holders of such Equity Interests consists entirely of cash and/or marketable securities
and (y) any redemptions and/or repurchases with respect to Equity Interests held by an employee of Echo, the Company or any of its Subsidiaries; 

(vii) any Qualified IPO or other underwritten offering of Equity Interests of Echo or the Company, in each case, where any
entity other than Echo is the issuer in such offering; or 
 (viii) the termination, liquidation or dissolution of Echo or
the Company. 
 Section 3.3 Additional Governance Provisions. 

(a) Prior to a Qualified IPO, with respect to each of the Sponsors and, at the request of any such Sponsor, each Affiliate thereof that
directly or indirectly has an interest in Echo, in each case that is intended to qualify as a “venture capital operating company” as defined in the Plan Asset Regulations (each, a “VCOC Stockholder”), for so long as
the VCOC Stockholder, directly or through one or more conduit Subsidiaries, continues to hold any shares of Common Stock in each case, without limitation or prejudice of any the rights provided to the Sponsors hereunder, Echo and the Company shall,
with respect to each such VCOC Stockholder: 
 (i) Provide such VCOC Stockholder or its representative designated to the
Sponsors in writing with the following: 
 (1) the right to visit and inspect any of the offices and properties of Echo and
its Subsidiaries and inspect and copy the books and records of Echo and its Subsidiaries, at such times as the VCOC Stockholder shall reasonably request; 

  
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 (2) as soon as available and in any event within sixty (60) days after
the end of each of the first three (3) quarters of each fiscal year of Echo, consolidated balance sheets of Echo and its Subsidiaries as of the end of such period, and consolidated statements of income and cash flows of Echo and its
Subsidiaries for the period then ended, in each case prepared in conformity with generally accepted accounting principles in the United States applied on a consistent basis, except as otherwise noted therein, and subject to the absence of footnotes
and to year-end adjustments; 
 (3) as soon as available and in any event within one-hundred twenty (120) days after the end of each fiscal year of Echo, a consolidated balance sheet of Echo and its Subsidiaries as of the end of such year, and consolidated statements of income and cash
flows of Echo and its Subsidiaries for the year then ended prepared in conformity with generally accepted accounting principles in the United States applied on a consistent basis, except as otherwise noted therein, together with an auditor’s
report thereon of a firm of established national reputation; 
 (4) to the extent Echo or any of its Subsidiaries is required
by law or pursuant to the terms of any outstanding indebtedness of Echo or such Subsidiary to prepare such reports, any annual reports, quarterly reports and other periodic reports pursuant to Sections 13 or 15(d) of the Exchange Act, actually
prepared by Echo or such Subsidiary as soon as available; 
 (5) subject to Section 3.3(a)(iii) below and upon the
request of such VCOC Stockholder, copies of all materials provided to the Board of Directors at substantially the same time as provided to the members of the Board of Directors and, if requested, copies of the materials provided to the board of
directors (or equivalent governing body) of any Subsidiary of Echo, provided, that Echo or such Subsidiary shall be entitled to exclude portions of such materials to the extent providing such portions would be likely to result in the waiver
of attorney-client privilege; and 
 (6) such other information as the VCOC Stockholder may reasonably request. 

(ii) Make appropriate officers of Echo and its Subsidiaries and members of the Board of Directors and the board of directors or
equivalent governing body of each of Echo’s Subsidiaries available periodically and at such times as reasonably requested by such VCOC Stockholder for consultation with such VCOC Stockholder or its designated representative with respect to
matters relating to the business and affairs of Echo and its Subsidiaries, including significant changes in management personnel and compensation of employees, introduction of new products or new lines of business, important acquisitions or
dispositions of plants and equipment, significant research and development programs, the purchasing or selling of important trademarks, licenses or concessions or the proposed commencement or compromise of significant litigation; 

  
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 (iii) To the extent consistent with applicable law (and with respect to
events which require public disclosure, only following Echo’s public disclosure thereof through applicable securities law filings or otherwise), inform the VCOC Stockholder or its designated representative in advance with respect to any
significant corporate actions, including extraordinary dividends, mergers, acquisitions or dispositions of assets, issuances of significant amounts of debt or equity and material amendments to the certificate of incorporation or by-laws of Echo or any of its Subsidiaries, and to provide the VCOC Stockholder or its designated representative with the right to consult with Echo and its Subsidiaries with respect to such actions; and 

(iv) Provide such VCOC Stockholder or its designated representative with such other rights of consultation which such VCOC
Stockholder’s counsel may determine to be reasonably necessary under applicable legal authorities promulgated after the date hereof to qualify its investment in Echo as a “venture capital investment” for purposes of the Plan
Assets Regulation. 
 (b) To the extent the financial and other information required to be delivered to any Stockholder pursuant to this
Section 3.3 is contained in a document or report filed with the SEC via the SEC’s EDGAR system, such financial and other information shall be deemed to be delivered to the Stockholders for purposes of this
Section 3.3 at the time such document or report is so filed with the SEC. 
 (c) Echo agrees to consider, in good
faith, the recommendations of each VCOC Stockholder or its designated representative in connection with the matters on which it is consulted as described above, recognizing that the ultimate discretion with respect to all such matters shall be
retained by Echo. 
 (d) Echo or the Board of Directors may require such VCOC Stockholder to execute and deliver a confidentiality agreement
reasonably acceptable to Echo prior to delivering any proprietary and confidential information about Echo in the event that Blackstone also executes and delivers to Echo an agreement containing equivalent confidentiality obligations and
restrictions. 
 (e) To the extent permitted by antitrust, competition or any other applicable law, each Stockholder agrees and acknowledges
that the Sponsor Directors may share confidential, non-public information about Echo, the Company and their respective Subsidiaries with their respective directors, officers and employees, and Representatives.

 (f) The Stockholders hereby agree, notwithstanding anything to the contrary in any other agreement or at law or in equity, that when any
Sponsor or the Other Investors that are its Affiliates takes any action under this Agreement solely in its capacity as a Stockholder to give or withhold its consent, such Sponsor or the Other Investors that are its Affiliates shall have no duty
(fiduciary or other) to consider the interests of Echo, the Company or any of their respective Subsidiaries or the other Stockholders and may act exclusively in its own interest and shall have only the duty to act in good faith; provided,
however, that the foregoing shall in no way affect the obligations of the parties hereto to comply with the provisions of this Agreement or provisions of applicable law that may not be waived. 

  
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 Section 3.4 Voting Agreement. 

(a) Consent to Amendment. Each Stockholder (including its respective Permitted Transferees), including each Sponsor, agrees to cast all
votes to which such holder is entitled in respect of its Echo Shares, whether at any annual or special meeting, by written consent or otherwise, to increase the number of authorized shares of capital stock to the extent necessary to permit Echo to
comply with the provisions of its Articles or any agreement to which Echo is a party. 
 (b) Significant Transactions. 

(i) Each Stockholder (including its respective Permitted Transferees), other than Blackstone (and its Permitted Transferees),
agrees to cast all votes to which such holder is entitled in respect of its Echo Shares, whether at any annual or special meeting, by written consent or otherwise in the same proportion as the Sponsor Shares are voted (or designated to be voted) by
the Majority Blackstone Investors in connection with (A) a ROFO Sale in respect of Echo’s Equity Interests in the Company that has been initiated by Echo and accepted by MCK pursuant to Section 9.02 of the LLC Agreement and does not
violate the terms of this Agreement (including Section 3.2(a)(iv)) or (B) a Company Drag-Along Sale initiated by Echo under Section 9.03 of the LLC Agreement. 

(ii) Each Stockholder (including its respective Permitted Transferees), including each Sponsor (and its respective Permitted
Transferees), agrees to cast all votes to which such holder is entitled in respect of its Echo Shares, whether at any annual or special meeting, by written consent or otherwise in the same proportion as the Units and any Echo Shares held by MCK are
voted (or designated to be voted) by MCK, in connection with: 
 (1) a Company Drag-Along Sale initiated by MCK under
Section 9.03 of the LLC Agreement that complies with Section 4.2 hereof, to approve any sale, recapitalization, merger, consolidation, reorganization or any other transaction or series of transactions involving Echo,
the Company or their respective Subsidiaries (or all or any portion of their respective assets) in connection with, or in furtherance of, the exercise of any rights therewith; and/or 

(2) the Merger contemplated by, and subject to the terms and conditions of, the LLC Agreement, including the Merger Agreement,
and/or the transactions and agreements specified under Section 10.05 of the LLC Agreement in respect of any Qualified MCK Exit. 

(iii) Each Stockholder (including its respective Permitted Transferees), including each Sponsor (and its respective Permitted
Transferees), further acknowledges and agrees that Echo has entered into the LLC Agreement, pursuant to which Echo has agreed to, among other things, use its reasonable best efforts to consummate a Qualified IPO as promptly as practicable, subject
to the terms and conditions set forth in the LLC Agreement, and each such Stockholder (including its respective Permitted Transferees), including each Sponsor, agrees, subject to Section 3.2(a)(vii), to take all Necessary
Action reasonably requested by the IPO Committee to approve such Qualified IPO in accordance with the terms of this Agreement, the LLC Agreement and the Registration Rights Agreement. 

  
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 (c) Grant of Proxy. Each Stockholder (including its respective Permitted
Transferees), other than the Sponsors, hereby grants to Blackstone an irrevocable proxy coupled with an interest to vote his, her or its Echo Shares in accordance with his, her or its agreements contained in Section 3.1 and
Section 3.4, which proxy will be valid and remain in effect until the termination of this Article III in accordance with its terms; provided, however, that in the case of any Drag-Along Sale initiated
by Echo under Section 4.2 of this Agreement, each Stockholder (including their respective Permitted Transferees) hereby grants such proxy to (i) Blackstone, in connection with a ROFO Sale in respect of Echo’s
Equity Interests in the Company that has been initiated by Echo and accepted by MCK pursuant to Section 9.02 of the LLC Agreement, (ii) Blackstone, in connection with a Company Drag-Along Sale initiated by Echo under Section 9.03 of
the LLC Agreement, and (iii) MCK, in connection with a Company Drag-Along Sale initiated by MCK under Section 9.03 of the LLC Agreement. Notwithstanding the foregoing or anything else in this Agreement to the contrary, in no event will
H&F be required to grant Blackstone or Echo a proxy or deliver to Blackstone or Echo a power of attorney, other than for purposes of Section 3.4(b)(ii) hereof. 

Section 3.5 Subsequent Acquisition of Shares. Any Equity Interests of Echo acquired subsequent to the date hereof by a Stockholder
shall be subject to the terms and conditions of this Agreement and shall be deemed for all purposes hereof to be Sponsor Shares, Other Investor Shares or Management Shares hereunder of like kind with the shares then held by the acquiring holder.

 Section 3.6 Termination of Governance Provisions. The provisions of this Article III (other than
Section 3.1(b) and the other parts of Article III not referred to below in this Section 3.6) shall terminate and be of no further force (i) upon the unanimous written consent of the
Sponsors and MCK, (ii) with respect to Section 3.1(a), Section 3.1(h), Section 3.2, Section 3.3,
Section 3.4(b)(i), Section 3.4(b)(ii)(1) and Section 3.4(b)(iii), upon the consummation of a Qualified IPO, (iii) with respect to
Section 3.4(a), upon such time as MCK no longer holds any Units in the Company exchangeable for Echo Shares or other Equity Interests of Echo, (iv) with respect to Section 3.4(b)(ii)(2), upon
the MCK Trigger Date. 
 ARTICLE IV 

TRANSFERS OF SHARES 

Section 4.1 Limitations on Transfer. No Stockholder shall Transfer their Echo Shares (or other Equity Interests) in violation of
this Agreement or any other Transaction Documents; provided, however that any Stockholder may Transfer any or all of its Echo Shares to such holder’s Permitted Transferees, so long as such Permitted Transferee agrees to be bound
by the terms of this Agreement in accordance with Section 4.4 (if applicable) and, to the extent such Transfer is by Blackstone to an Affiliated PE Fund, such Transfer complies with Section 4.3. In addition to any
Transfers made by any Stockholder to any of its Permitted Transferees, any Stockholder may Transfer its Echo Shares subject to and in compliance with the terms of the LLC Agreement, including Article IX thereof, as if such terms applied,
mutatis mutandis, to this Agreement and subject to, and in compliance with, the Registration Rights Agreement. 

  
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 Section 4.2 Drag-Along Rights Relating to Company Sale. 

(a) If (i) a ROFO Sale in respect of Echo’s Equity Interests in the Company that would constitute a Company Sale of Echo has been
initiated by Echo and accepted by MCK pursuant to Section 9.02 of the LLC Agreement or (ii) a Company Drag-Along Sale has been initiated by MCK or Echo under Section 9.03 of the LLC Agreement, Echo shall initiate a Company Sale of
Echo to MCK, in the case of such ROFO Sale, or to the Drag-Along Transferee, in the case of such Company Drag-Along Sale (any transaction described in clause (i) or clause (ii), a “Drag-Along Sale,” and the purchaser in any
such Company Sale, the “Drag-Along Buyer”) and exercise drag-along rights with respect to all Stockholders in accordance with the terms, conditions and procedures set forth herein. Echo will promptly give written notice (a
“Drag-Along Notice”) to each Stockholder that a Company Drag-Along Sale has been initiated, setting forth the name and address of the Drag-Along Buyer, the total number of Equity Interests of the Company proposed to be Transferred,
the proposed per share purchase price (or amount) and form of consideration for such Equity Interests, the number of such Stockholder’s Equity Interests in Echo (equal to its indirect Equity Interests in the Company) that such Stockholder shall
be required to Transfer, up to such Stockholder’s Pro Rata Portion of Echo Shares, and all other material terms and conditions of the Drag-Along Sale, including the form of the proposed agreement, if any. 

(b) Not later than ten (10) Business Days after the date of the Drag-Along Notice, each of (i) the Stockholders (other than
Blackstone and its Permitted Transferees) shall deliver to Echo the certificates representing Echo Shares of such Stockholder free and clear of any lien, with any stock (or equivalent) transfer tax stamps affixed, for delivery by Echo against
delivery of the applicable consideration, together with a limited power-of-attorney in customary form authorizing Echo or its representative to Transfer such Echo Shares
on the terms set forth in the Drag-Along Notice and (ii) each of the Stockholders shall deliver to a representative of Echo wire transfer or other instructions for payment or delivery of the consideration to be received by such Stockholder in
such Drag-Along Sale. Echo shall immediately cause the books and records of Echo to show that such Echo Shares are bound by the provisions of this Section 4.2. Any Transfer of Echo Shares by a Stockholder pursuant to the
terms hereof shall be at the same per share price for Echo Shares as those Equity Interests of the Company sold to the Drag-Along Buyer under Section 9.02 and/or Section 9.03 of the LLC Agreement and specified in the Drag-Along Notice, and
each Stockholder shall receive the same relative proportion of cash and other assets or property as any other Persons who sold Equity Interests of the Company under Section 9.02 and/or Section 9.03 of the LLC Agreement; provided,
however, in the event of any Drag-Along Sale in which the Stockholders will receive a form of consideration other than cash and/or marketable securities, except with respect to any rollover equity issued to management by the Drag-Along Buyer
and approved by Blackstone in connection with such transaction, at the election of the Majority H&F Investors, Blackstone shall be required to substitute and pay to H&F an amount of cash with equal Fair Market Value for such other form of
consideration. Subject to Section 4.2(c) below, Echo and/or its Subsidiaries shall promptly enter into, and each Stockholder shall take all Necessary Action to promptly enter into, such definitive agreements required by
Echo to effect any such Drag-Along Sale and promptly take all Necessary Action to effect and consummate such Drag-Along Sale, including causing the Drag-Along Notice to be promptly provided to each of the

  
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Stockholders in accordance with Section 4.2. Subject to Section 4.2(c) below. Without limitation as to the other provisions set forth in
Section 4.2, each Stockholder, whether in his, her or its capacity as a Stockholder, officer or director of Echo, or otherwise, shall take or cause to be taken all such Necessary Action in order expeditiously to consummate
such Drag-Along Sale and any related transactions, including (i) executing, acknowledging and delivering consents, assignments, waivers and other documents or instruments; (ii) furnishing information and copies of documents; filing
applications, reports, returns, filings and other documents or instruments with Governmental Authorities; and (iii) otherwise cooperating with Echo and the Drag-Along Buyer. The closing of a Transfer to which
Section 4.2 hereof apply will take place at such time and place as Echo specifies in accordance with the LLC Agreement. In determining “Fair Market Value” for purposes of this
Section 4.2(b), if applicable, Blackstone will deliver to H&F its proposed valuation of the consideration in the applicable Drag-Along Sale. In the event that Blackstone and H&F are unable to reach an
agreement on the Fair Market Value of such consideration within five (5) Business Days following the delivery of Blackstone’s proposed valuation, H&F and Blackstone shall each select one (1) nationally recognized investment
banking or valuation firm for the purpose of determining the proposed Fair Market Value for such consideration, and the two firms so selected shall nominate a third such firm, and such third firm shall serve as the firm for purposes of this
Section 4.2 and shall promptly (and in any event, within five (5) Business Days) be engaged (at Echo’s expense) by Echo. Such firm shall be instructed by Echo to provide its written determination to each of
Blackstone and H&F within five (5) Business Days of its engagement. Such investment banking or valuation firm’s determination shall, absent fraud or manifest error, final conclusive and binding upon Echo, Blackstone and H&F. 

(c) Each Stockholder shall agree (i) on a pro rata basis based on the number of Equity Interests of the Company indirectly
Transferred by such Stockholder to make the same representations, warranties and indemnities as made by Echo in connection with the Drag-Along Sale, (ii) if required, to participate in any escrow or holdback arrangement relating to such
Drag-Along Sale pro rata based on the relative number of Equity Interests of the Company indirectly Transferred by such Stockholder, (iii) to the same terms and conditions to the Drag-Along Sale as Echo agrees and (iv) not to
demand or exercise appraisal or dissenters rights under any applicable business corporation or other law with respect to a transaction subject to this Section 4.2 as to which such appraisal rights are available. All such
representations, warranties and indemnities shall be made by each Stockholder (x) in respect of (A) representations and warranties about Echo, the Company or their respective Subsidiaries or (B) working capital or other purchase price
adjustments, jointly and severally, and any liability for breach of any such representations and warranties or any such adjustments shall be allocated to the Stockholders pro rata based on the relative number of Equity Interests of the
Company directly or indirectly Transferred by each of them and (y) in respect of any individual representations, warranties, and indemnities of the Stockholders, including as to the unencumbered title to its Echo Shares and the power, authority
and legal right to Transfer such Echo Shares, severally, and not jointly and severally, and any liability for breach of any such representations and warranties shall be allocated to the breaching Stockholder, as applicable. Notwithstanding anything
herein to the contrary, (v) in no event shall the aggregate amount of liability for any Stockholders exceed the U.S. dollar value of the net proceeds received by such Stockholders, respectively, from the Drag-Along Buyer, (w) in no event
shall any Stockholder be required to make any representations or warranties, or provide any indemnities as to, or to, any other Stockholder, (x) in no event shall any Stockholder be required to agree or enter into any non-competition, non-solicitation or analogous or similar agreements or 

  
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covenants that would bind such Stockholder or its Affiliates or portfolio companies without the prior written consent of such Stockholder, (y) any deferred consideration or indemnification
payments made by the Drag-Along Buyer relating to such Drag-Along Sale shall be allocated among each Stockholder pro rata based on the relative number of Equity Interests of the Company indirectly Transferred by such Stockholder by
each of them, and (z) H&F shall have the right to sell one hundred percent (100%) of its Echo Shares in such Drag-Along Sale. 
 (d)
In the event that any such Drag-Along Sale is structured as a merger, consolidation, stock and/or asset sale, or similar business combination, each Stockholder agrees to (i) vote in favor of the transaction and against any competing transaction
or proposal and (ii) subject to Section 4.2(c), take such other Necessary Action as may be reasonably required by Echo to effect such transaction. Each Stockholder (other than the Sponsors and their respective
Permitted Transferees) hereby grants to Echo an irrevocable proxy coupled with an interest to vote his, her or its Echo Shares in favor of any such Drag-Along Sale and against any competing transaction or proposal, which proxy will be valid and
remain in effect until the consummation of such Drag-Along Sale. 
 (e) Notwithstanding anything contained in this
Section 4.2 to the contrary, there shall be no liability on the part of Echo or the applicable Person initiating a Drag-Along Sale under Section 4.2 of this Agreement or in connection with a
Company Drag-Along Sale under Section 9.03 of the LLC Agreement to the Stockholders (other than the obligation to return the limited power of attorney, stock (or equivalent) powers and the certificates and other applicable instruments
representing Echo Shares received by Echo) or any other Person if the Transfer of Echo Shares pursuant to this Section 4.2 is not consummated for whatever reason, regardless of whether Echo has delivered a Drag-Along
Notice. Whether to effect or consummate a Transfer of Echo Shares pursuant to this Section 4.2 is in the sole and absolute discretion of Echo. 

(f) Each Stockholder will be deemed to have exercised, converted or exchanged vested and exercisable Options, Warrants or Convertible
Securities immediately prior to the consummation of the Drag-Along Sale to the extent necessary to sell Echo Shares to the Drag-Along Buyer, except to the extent permitted under the terms of any such Option, Warrant or Convertible Security and
agreed to by the Drag-Along Buyer. In the event that Options, Warrants or Convertible Securities are deemed exercised pursuant to the preceding sentence, payment of any purchase or exercise price, if applicable, and minimum statutory withholding tax
amount, if any, shall be satisfied through payment of Echo Shares otherwise deliverable upon such exercise, conversion, or exchange. If any Stockholder sells Options, Warrants or Convertible Securities in any Drag-Along Sale, such Stockholder shall
receive in exchange for such Options, Warrants or Convertible Securities consideration equal to the amount (if greater than zero) determined by multiplying (a) the same purchase price per share for Echo Shares as those Equity Interests of the
Company sold by the Drag-Along Buyer and other Persons under Section 9.03 of the LLC Agreement and specified in the Drag-Along Notice in such Transfer less the exercise or conversion price, if any, per share of such Option, Warrant or
Convertible Security by (b) the number of Echo Shares issuable upon exercise, conversion or exchange of such Option, Warrant or Convertible Security (to the extent exercisable, convertible or exchangeable at the time of such Transfer), subject
to reduction for any tax or other amounts required to be withheld under applicable law. 

  
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 Section 4.3 Tag-Along Rights. 

(a) Prior to a Qualified IPO, Echo and Blackstone shall take all Necessary Action to provide written notice to H&F of any direct Transfer
(the “Proposed Transfer”) by Blackstone of any or all of its Echo Shares and/or Units directly owned by Blackstone (other than any Transfers (1) to Permitted Transferees or (2) made in accordance with
Section 4.2) to any Person (such Person, the “Proposed Transferee”), including any Transfer in a ROFO Sale (as defined in the LLC Agreement) pursuant to the LLC Agreement, and at H&F’s written
election in accordance with this Section 4.3, H&F shall have the right to Transfer H&F’s Pro Rata Portion of Echo Shares and/or Units directly owned by H&F to the Proposed Transferee on the same terms and
conditions as the corresponding portion of Units and/or Echo Shares proposed to be Transferred by Blackstone. 
 (b) Blackstone shall
promptly give written notice (a “Tag-Along Notice”) to H&F of a Proposed Transfer, setting forth (i) the number of Units and/or Echo Shares proposed to be Transferred, (ii) in
the event that Blackstone directly Transfers Units, the number of Echo Shares that represent such Units (calculated in accordance with the Echo Ratio), (iii) the maximum number of Echo Shares and/or Units the Proposed Transferee is willing to
purchase (and the corresponding number of Echo Shares to be Transferred in respect of any such Units (calculated in accordance with the Echo Ratio)), (iv) the proposed per share purchase price (or amount) and form of consideration and (v) all
other material terms and conditions of the Proposed Transfer, including the form of the proposed agreement, if any, and a firm offer by the Proposed Transferee to purchase the Echo Shares and/or Units from H&F in accordance with this
Section 4.3. Blackstone shall not structure the terms of any Proposed Transfer in a manner intended to unreasonably limit the ability of H&F to participate in the Proposed Transfer. H&F shall have a period of
fifteen (15) Business Days from the date of receipt of the Tag-Along Notice within which to elect to sell up to its Pro Rata Portion of Echo Shares and/or Units directly owned by H&F in
connection with such Proposed Transfer. H&F may exercise such right by delivery of an irrevocable written notice to Blackstone specifying the portion of its Pro Rata Portion of Echo Shares and/or Units it desires to include in the Proposed
Transfer. If the Proposed Transferee fails to purchase all Echo Shares and/or Units proposed to be Transferred by Blackstone and H&F, then the number of Echo Shares and/or Units Blackstone and H&F are permitted to sell in such Proposed
Transfer shall, subject to clause (z) of Section 4.3(c) hereof (in which event H&F shall be entitled to sell one hundred percent (100%) of its Echo Shares and Units), be reduced pro rata based on the
relative number of Echo Shares and/or Units proposed to be included in the Proposed Transfer by Blackstone and H&F and, for the avoidance of doubt, Blackstone may not sell any Echo Shares and/or Units in the Proposed Transfer unless H&F is
entitled to sell its Pro Rata Portion (or one hundred percent (100%) in the case of clause (y) of Section 4.3(c) hereof) of the Echo Shares and/or Units Transferred to the Proposed Transferee. Blackstone shall have a
period of ninety (90) days following the expiration of the fifteen (15) Business Day period, to sell such Echo Shares and/or Units to the Proposed Transferee, on the terms and conditions specified in the
Tag-Along Notice which, for the avoidance of doubt, shall be no more favorable to Blackstone than those set forth in the Tag-Along Notice. If Blackstone fails to sell
such Echo Shares and/or Units to the Proposed Transferee within such ninety (90) days following the expiration of the fifteen (15) Business Day period from the date of receipt of the Tag-Along
Notice, Blackstone shall not thereafter sell any Echo Shares or Units to the Proposed Transferee or any Person without first offering the same to H&F in the manner provided in this Section 4.3. 

  
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 (c) H&F shall agree (i) on a pro rata basis based on the number of
Echo Shares and/or Units to be Transferred by Blackstone and H&F, to make the same representations, warranties and indemnities to the Proposed Transferee as made by Blackstone in connection with the Proposed Transfer, (ii) if required, to
participate in any escrow or holdback arrangement relating to such Proposed Transfer pro rata based on the relative number of Echo Shares and/or Units to be Transferred by Blackstone and H&F and (iii) to the same terms and
conditions to the Proposed Transfer as Blackstone agrees. All such representations, warranties and indemnities shall be made by H&F and Blackstone severally, and not jointly and severally, and, except with respect to individual representations,
warranties and indemnities of H&F as to the unencumbered title to its Echo Shares and the power, authority and legal right to Transfer such Echo Shares and/or Units, any liability for breach of any such representations and warranties or under
any indemnities shall be allocated among H&F and Blackstone pro rata based on the relative number of Echo Shares and/or Units to be Transferred by each of them. Notwithstanding anything herein to the contrary, (u) in no event
shall the aggregate amount of liability for H&F and/or Blackstone exceed the U.S. dollar value of the net proceeds received by H&F or Blackstone, respectively, from the Proposed Transferee, (v) in no event shall H&F be required to
make any representations or warranties, or provide any indemnities as to, or to, any other Stockholder, (w) in no event shall H&F be required to agree or enter into any non-competition, non-solicitation or analogous or similar agreements or covenants that would bind H&F or its Affiliates or portfolio companies without H&F’s prior written consent, (x) any deferred consideration or
indemnification payments made by the Proposed Transferee relating to such Proposed Transfer shall be allocated among H&F and Blackstone pro rata based on the relative number of Echo Shares and/or Units to be Transferred by each of
them, (y) if the Proposed Transfer would result in a Company Sale or would result in H&F beneficially owning less than three percent (3%) of the outstanding Units, then H&F shall have the right to sell up to one hundred percent (100%)
of its Echo Shares and Units directly owned by H&F and (z) to the extent that the consideration in such Proposed Transfer does not consist entirely of cash and/or marketable securities, H&F shall have the right to elect to receive an
amount of cash equal to the Fair Market Value of H&F’s portion of any non-cash consideration in lieu of such non-cash consideration; provided, that
H&F shall only have the right set forth in this clause (z) in the event that H&F is entitled to Transfer up to one hundred percent (100%) of its Echo Shares and Units directly owned by H&F in the applicable Proposed Transfer. In
determining “Fair Market Value” for purposes of this Section 4.3, if applicable, Blackstone will deliver to H&F its proposed valuation of the consideration in the applicable Proposed Transfer. In the event
that Blackstone and H&F are unable to reach an agreement on the Fair Market Value of such consideration within five (5) Business Days following the delivery of Blackstone’s proposed valuation, H&F and Blackstone shall each select
one (1) nationally recognized investment banking or valuation firm for the purpose of determining the proposed Fair Market Value for such consideration, and the two firms so selected shall nominate a third such firm, and such third firm shall
serve as the firm for purposes of this Section 4.2 and shall promptly (and in any event, within five (5) Business Days) be engaged (at Echo’s expense) by Echo. Such firm shall be instructed by Echo to provide its
written determination to each of Blackstone and H&F within five (5) Business Days of its engagement. Such investment banking or valuation firm’s determination shall, absent fraud or manifest error, final conclusive and binding upon
Echo, Blackstone and H&F. 

  
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 (d) Concurrently with the consummation of the Proposed Transfer, Blackstone shall
(i) notify H&F thereof, (ii) remit on the same day on which such Proposed Transfer is consummated to H&F the total consideration for the Echo Shares and/or Units that H&F Transferred pursuant thereto by wire transfer of
immediately available funds and (iii) promptly after the consummation of such Proposed Transfer, furnish such other evidence of the completion and the date of completion of such Proposed Transfer and the terms thereof as may be reasonably
requested by H&F. The Proposed Transferee in such Proposed Transfer must become a party to this Agreement if it is not already a party. 

(e) All reasonable costs and expenses incurred in connection with any Proposed Transfer that is consummated, including all attorney’s fees
and charges, all accounting fees and charges and all finders, brokerage or investment banking fees, charges or commissions, shall be allocated between Blackstone and H&F pro rata based on the relative number of Echo Shares to be
Transferred by each of them; provided, however, that if the Proposed Transfer is a Transfer in a ROFO Sale or a Drag-Along Sale pursuant to the LLC Agreement initiated by the MCK Members, then expenses shall be allocated as set forth
in the LLC Agreement. 
 (f) If a Stockholder Transfers any Echo Shares or Units directly owned by such Stockholder to any of its Affiliates,
such Affiliates shall be bound by the provisions of this Section 4.3. Each Stockholder may assign its tag-along rights (in whole or in part) under the terms of this
Section 4.3 to any of its Affiliates that is a Stockholder. Blackstone agrees that it will not Transfer any Echo Shares or Units directly owned by Blackstone (other than any Transfers (i) to Permitted Transferees or
(ii) made in compliance with Section 4.2) except in compliance with this Section 4.3. For the avoidance of doubt, this Section 4.3 shall not apply to direct Transfers
of Units by Echo. 
 Section 4.4 Rights and Obligations of Transferees. 

(a) In the event of a purported Transfer by a Stockholder of any Echo Shares in violation of the provisions of this Agreement, such purported
Transfer will be void and of no effect, and Echo will not give effect to such Transfer. Any Transfer of Echo Shares, which Transfer is otherwise in compliance herewith, shall be permitted hereunder only if the transferee of such Echo Shares agrees
in writing that it shall, upon such Transfer, assume with respect to such Echo Shares the transferor’s obligations under this Agreement and become a party to this Agreement for such purpose, and any other agreement or instrument executed and
delivered by such transferor in respect of Echo Shares, including, the LLC Agreement, as applicable; provided, however, that (i) this Section 4.4 shall not apply to Transfers of Echo Shares to a
Stockholder already bound by this Agreement (but such Transferred Echo Shares shall be subject to this Agreement), and (ii) this Section 4.4(a) shall not apply to (x) Transfers pursuant to a registered public
offering or Rule 144A sale in accordance with, and subject to the terms and conditions of, this Agreement, the LLC Agreement and the Registration Rights Agreement, or (y) any Transfer to a Drag-Along Buyer in a Drag-Along Sale. If any Transfer
is made under this Agreement to a Permitted Transferee, in the event such transferee ceases to be a Permitted Transferee of the transferor, then the transferee shall promptly Transfer such Echo Shares or other Equity Interests back to the transferor
or to another Permitted Transferee of the transferor. 
 (b) Each certificate evidencing Echo Shares subject to this Agreement shall bear the
following restrictive legend, either as an endorsement or on the face thereof: 

  
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 “THE SECURITIES REPRESENTED BY THIS CERTIFICATE WERE ORIGINALLY ISSUED
ON             , HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, OR UNDER THE SECURITIES LAWS OF ANY OTHER JURISDICTION AND MAY NOT BE SOLD OR
TRANSFERRED OTHER THAN IN ACCORDANCE WITH THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT OF 1933, AS AMENDED (OR OTHER APPLICABLE LAW), OR AN EXEMPTION THEREFROM. THE SALE, ASSIGNMENT, TRANSFER OR OTHER DISPOSITION OF THE SECURITIES EVIDENCED
BY THIS CERTIFICATE IS RESTRICTED BY THE TERMS OF A STOCKHOLDERS AGREEMENT (AND THE OTHER TRANSACTION DOCUMENTS REFERRED TO THEREIN), DATED AS OF MARCH 1, 2017, COPIES OF WHICH ARE ON FILE WITH THE ISSUER OF THIS CERTIFICATE. THE
COMPANY RESERVES THE RIGHT TO REFUSE THE TRANSFER OF SUCH SECURITIES UNTIL SUCH TERMS HAVE BEEN FULFILLED WITH RESPECT TO SUCH TRANSFER. NO SALE, ASSIGNMENT, TRANSFER OR OTHER DISPOSITION SHALL BE EFFECTIVE UNLESS AND UNTIL THE TERMS AND CONDITIONS
OF SUCH STOCKHOLDERS AGREEMENT HAVE BEEN COMPLIED WITH IN FULL.” 
 (c) Each certificate representing Echo Shares subject to this
Agreement shall also have the following legend endorsed conspicuously thereupon: 
 The shares of stock represented by this certificate were
originally issued to, or issued with respect to shares originally issued to, the following [Sponsor/Other Investor/Manager]:                 . 

(d) In the event that the restrictive legends set forth in Section 4.4(b) or Section 4.4(c) or any portion or portions thereof, have
ceased to be applicable, from time to time, Echo shall in each such case promptly provide notice thereof to each Stockholder. Echo shall promptly provide (and in any event, no later than two (2) Business Days) any Stockholder, or their
respective transferees, at their request, without any expense to such Persons (other than applicable transfer taxes and similar governmental charges, if any), with new certificates for such securities of like tenor not bearing the legends with
respect to which the restriction has ceased and terminated (it being understood that the restriction referred to in the first paragraph of the legend in Section 4.4 shall cease and terminate upon the termination of this Article IV) or not
bearing such portion or portions of such restrictive legends with respect to such restriction or restrictions that have ceased and terminated. 

Section 4.5 Blocker Transfers. Upon the occurrence of any Transfer by Echo of any Units of, or other Equity Interests in, the
Company in connection with which any Stockholder is permitted (or required) to participate in such Transfer pursuant to this Agreement or the LLC Agreement, the Stockholders, Echo and the Company shall take all Necessary Action to structure such
transaction in a manner that results in a Transfer of Echo Shares (solely to the extent any Sponsor so elects), rather than a Transfer of Units in the Company held beneficially by such Sponsor. 

  
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 Section 4.6 Lock-Up. Each of the
officers and directors of Echo agree to enter into a customary lock-up agreement with the managing underwriters of any public offering contemplated hereunder (including the Qualified IPO) on terms
substantially equivalent to those agreed to by Holders under Section 2.8(b) of the Registration Rights Agreement. Echo can impose stock transfer restrictions on securities held by any officer or director of Echo in order to enforce the
foregoing restrictions and its obligations under Section 2.8(a) of the Registration Rights Agreement until the end of the applicable lock-up period. 

Section 4.7 Termination of Transfer Restrictions. The provisions of this Article IV (other than
Section 4.6) shall terminate and be of no further force and effect upon the consummation of a Qualified IPO. 

ARTICLE V 
 PREEMPTIVE
RIGHTS 
 Section 5.1 Preemptive Rights. 

(a) Company Preemptive Rights. Prior to a Qualified IPO, Echo shall take all Necessary Action (x) to deliver to the Sponsors and
Other Investors that are Affiliates of a Sponsor, promptly (and in any event within one (1) Business Day) after its receipt by Echo, any Issuance Notice from the Company under Section 3.07 of the LLC Agreement and
(y) at any such Sponsor’s (or Other Investor’s) written election, to cause Echo to take all Necessary Action to exercise its rights under the terms of Section 3.07 of the LLC Agreement, as if such terms applied, mutatis
mutandis, to this Agreement, in each case in proportion to each such Sponsor’s (or Other Investor’s) ownership in Echo as of such time of such notice (or, if less, in the amount elected by such Sponsor or Other Investor, as applicable)
as if such Sponsor or Other Investor owned Equity Interests directly in the Company. In furtherance of the foregoing, it is the intent of Echo and the Sponsors that each Sponsor and each Other Investor that are Affiliates of a Sponsor shall be
entitled to participate in the rights of Echo under Section 3.07 of the LLC Agreement as if such Sponsor or Other Investor, as applicable, were a direct holder of Equity Interests in the Company. If at any time under Section 3.07 of the
LLC Agreement new Equity Interests in the Company are offered in connection with Echo’s rights under Section 3.07 of the LLC Agreement, Echo, subject to any limitations under applicable law, shall provide each Sponsor and Other Investors
that are Affiliates of a Sponsor with a copy of all applicable notices received from the Company in connection with such offering, promptly (and in any event within one (1) Business Day) after its receipt by Echo, and shall procure that, to the
maximum extent possible, each Sponsor and Other Investors that are Affiliates of a Sponsor is given the opportunity to make any applicable elections (subject to the timing requirements of the LLC Agreement and a reasonable amount of time for Echo to
pass such elections on to the Company) as if such Sponsor or Other Investor, as applicable, were the direct holder of a number of Equity Interests in Echo equal to its indirect Equity Interests in the Company. To the extent any Sponsor or Other
Investor that is an Affiliate of a Sponsor elects to purchase Equity Interests in connection with Section 3.07 of the LLC Agreement, such Sponsor or Other Investor, as applicable, shall contribute the purchase price of such Equity Interests to
Echo and Echo shall (i) use such contribution to purchase such Equity Interests and (ii) issue a number of Equity Interests of Echo to such Sponsor or Other Investor, as applicable, determined in accordance with the Echo Ratio such that,
as a result of such issuance, such Sponsor or Other Investor, as applicable, shall be the beneficial and indirect owner of the new Equity Interests of the Company acquired by Echo. 

  
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 (b) Echo Preemptive Rights. Prior to a Qualified IPO, if Echo proposes to issue any
Equity Interests other than in accordance with Section 5.1(a) hereof (other than issuances of Equity Interests (i) to employees of Echo pursuant to employee benefit plans or arrangements approved by the Board of
Directors (and upon the exercise of employee equity options granted pursuant to any such plans or arrangements) or (ii) pursuant to the conversion of any convertible Equity Interests) (a “New Issuance” and any such securities,
“Newly Issued Securities”), Echo shall provide written notice to each of the Sponsors and Other Investors that are Affiliates of a Sponsor of such anticipated issuance no later than twenty (20) Business Days prior to the
anticipated issuance date (the “Preemptive Rights Notice”). The Preemptive Rights Notice shall set forth the material terms and conditions of the New Issuance, including the name and address of the proposed Person to whom the Newly
Issued Securities are proposed to be issued, the proposed purchase price for the Newly Issued Securities (on a per security and on an aggregate basis, including the maximum amount), a description of any
non-cash consideration in sufficient detail to permit a valuation thereof, the anticipated issuance date, the proposed manner of disposition, and the purpose of such New Issuance. Each of the Sponsors
(including their Permitted Transferees) and Other Investors that are Affiliates of a Sponsor shall have the right to purchase up to its Pro Rata Portion of such Newly Issued Securities at the price and on the terms and conditions specified in the
Preemptive Rights Notice by delivering an irrevocable written notice to Echo no later than ten (10) Business Days before the anticipated issuance date, setting forth the number of such Newly Issued Securities for which such right is exercised.
Such notice shall also include the maximum number of Newly Issued Securities such Stockholder would be willing to purchase in the event any other Stockholder entitled to participate elects to purchase less than its Pro Rata Portion of such Newly
Issued Securities. If any such Stockholder elects not to purchase its full Pro Rata Portion of such Newly Issued Securities, Echo shall allocate any remaining amount among those Stockholders (pro rata, but up to, in the case of each such
Stockholder, the maximum number specified by such Stockholder pursuant to the immediately preceding sentence) who have indicated in their notice to Echo a desire to purchase Newly Issued Securities in excess of their respective Pro Rata Portions.

 (c) In the event the Sponsors and Other Investors that are Affiliates of a Sponsor do not purchase all such Newly Issued Securities in
accordance with the procedures set forth in Section 5.1(b), Echo or its relevant Subsidiary, as applicable, shall have sixty (60) days after the expiration of the anticipated issuance date (subject to extension if
necessary to permit the expiration or early termination of the HSR Waiting Period) to sell to other Persons the remaining Newly Issued Securities at the price and on the terms and conditions specified in the Preemptive Rights Notice. If Echo or its
relevant Subsidiary, as applicable, fails to sell such Newly Issued Securities within such sixty (60) days of the anticipated issuance date provided in the Preemptive Rights Notice (subject to extension if necessary to permit the expiration or
early termination of the HSR Waiting Period), Echo or its relevant Subsidiary, as applicable, shall not thereafter issue or sell such Newly Issued Securities without first offering the same to the Sponsors and Other Investors that are Affiliates of
a Sponsor in the manner provided in Section 5.1(b). 
  

  
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 (d) In the event that any Stockholder purchases any equity securities other than new Echo
Shares pursuant to this Section 5.1, such Stockholder shall execute a stockholders agreement and a registration rights agreement with respect to such securities each with terms (including parties) that are equivalent,
mutatis mutandis, to this Agreement and the Registration Rights Agreement, respectively; provided, that (i) such Stockholder shall execute such stockholders agreement in the same capacity (i.e., a “Sponsor” or
“Other Investor”) as such Stockholder has entered into this Agreement, and (ii) such stockholders agreement shall terminate upon the same terms and conditions as provided herein and such registration rights agreement shall terminate
upon the same terms and conditions as provided in the Registration Rights Agreement. 
 (e) Any Newly Issued Securities constituting shares
of capital stock of Echo acquired by any existing holder of Echo Shares pursuant to this Article V shall be deemed for all purposes hereof to be Sponsor Shares, Other Investor Shares or Management Shares hereunder of like kind with Echo
Shares then held by the acquiring holder. 
 (f) The election by a Sponsor or Other Investor not to exercise its preemptive rights under this
Section 5.1 in any one instance shall not affect its right (other than in respect of a reduction in its Ownership Interest, if applicable) as to any future issuances of securities that shall, for the avoidance of doubt, be
subject to this Section 5.1. Any attempted Transfer of such securities by Echo, the Company or any Subsidiary of Echo without first giving the Sponsors and Other Investors that are Affiliates of a Sponsor the rights
described in this Section 5.1 shall be void and of no force and effect. 
 (g) For the avoidance of doubt, MCK (and
its Permitted Transferees or other Affiliates) shall not have any preemptive rights under this Article V. 
 Section 5.2
Post-Issuance Compliance. Notwithstanding the requirements of Section 5.1, but subject in all cases to the other provisions of this Agreement, Echo may proceed with any New Issuance prior to having complied with the
provisions of Section 5.1; provided, that Echo will following consummation of such New Issuance promptly provide to each of the Sponsors and Other Investors that are Affiliates of a Sponsor who would have received
the Preemptive Rights Notice pursuant to Section 5.1, but for this Section 5.2, notice of such New Issuance and the Preemptive Rights Notice described in Section 5.1; and
will: (a) offer to issue to such Stockholder such number of Equity Interests of the type issued in such New Issuance as may be requested by such Stockholder (not to exceed an amount equal to (i) the Pro Rata Portion that such Stockholder
would have been entitled to pursuant to Section 5.1, multiplied by the number of Newly Issued Securities included in the New Issuance plus (ii) a number of additional Equity Interests sufficient to permit
such Stockholder to acquire, in total, the same percentage of the aggregate number of all Equity Interests included in the relevant New Issuances effected pursuant to this Section 5.2 as such Stockholder would have been
entitled to acquire had Echo proceeded with the relevant New Issuances under Section 5.1 rather than pursuant to this Section 5.2) on the same economic terms and conditions with respect to such
securities as the subscribers in the New Issuance received; and (b) keep such offer open for a period of ten (10) Business Days, during which period, each such Stockholder may accept such offer by sending a written acceptance to Echo
committing to purchase an amount of such securities (not in any event to exceed the Pro Rata Portion such Stockholder would have been entitled to pursuant to Section 5.1, multiplied by the number of Newly Issued
Securities included in such issuance). 

  
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 Section 5.3 Expenses. All costs and expenses incurred by Echo, the Company or
any of its Subsidiaries in connection with any proposed New Issuance (whether or not consummated), including all attorney’s fees and charges, all accounting fees and charges and all finders, brokerage or investment banking fees, charges or
commissions, shall be paid by Echo. In connection with such proposed New Issuance (whether or not consummated), Echo shall pay the fees and out-of-pocket expenses of a
single law firm for all Sponsors and Other Investors that are Affiliates of a Sponsor who have elected to participate in the purchase of Newly Issued Securities (selected by the Sponsors purchasing Newly Issued Securities). 

Section 5.4 Termination of Preemptive Rights. The provisions of this this Article V shall terminate and be of no further
force and effect upon the consummation of a Qualified IPO. 
 ARTICLE VI 

OPTIONS TO PURCHASE AND SELL SHARES. 

Section 6.1 Call Options. Except as Echo may otherwise agree in writing with any Manager with respect to Echo Shares held by such
Manager (or any Person to whom any Echo Shares were originally issued at the request of such Manager) or originally issued to such Manager (or other Person at the request of such Manager) but held by one or more direct or indirect Permitted
Transferees (collectively, the “Management Call Group”), upon any termination of the employment with Echo, the Company and any of its Subsidiaries, or eRx Network Holdings, Inc. and any of its Subsidiaries (each an “Employer
Party” and together the “Employer Parties”) of any Manager (whether such termination is by any of the Employer Parties, by such Manager or otherwise), Echo will have the right to purchase for cash all or any portion of
Purchased Management Shares held by the Management Call Group on the following terms (the “Management Call Option”): 
 (a)
General. For all Purchased Management Shares, the following terms will apply: 
 (i) Termination other than for
Cause. If a Manager’s employment with any of the Employer Parties is terminated for any reason other than for Cause (including as a result of death, Disability or resignation for Good Reason), but excluding if a Manager resigns his or her
employment with any of the Employer Parties without Good Reason prior to the third (3rd) anniversary of the date on which a Manager commences employment with the applicable Employer Party (or if such Manager was employed prior to the Closing Date by
MCK or any of its Affiliates, the date on which a Manager commenced employment with MCK or any of its Affiliates, as applicable), Echo will have the right, on one or more occasions, at any time up to and including the date that is 180 days following
the later to occur of (x) the termination of such Manager’s employment and (y) the date that is six (6) months plus one (1) day following the most recent acquisition of Purchased Management Shares from Echo by any member of
such Manager’s Management Call Group, to purchase from such Management Call Group, and upon the exercise of such call right each member of such Management Call Group shall sell to Echo, all (or a portion, as designated by Echo) of the Purchased
Management Shares held by such member of the Management Call Group as of the date as of which such call right is exercised at a price equal to the Fair Market Value of the Purchased Management Shares being sold, determined as of the date specified

  
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in such Management Call Notice (as defined below), which date shall be no earlier than the date that is six (6) months plus one (1) day following the most recent acquisition from Echo
by any member of such Manager’s Management Call Group of any such Purchased Management Shares that are to be purchased by Echo pursuant to such exercised call right, and shall be no later than the last date on which Echo is permitted to issue a
Management Call Notice in respect of such Purchased Management Shares under this Section 6.1(a)(i). 

(ii) Termination for Cause. If a Manager’s employment with any of the Employer Parties is terminated for Cause (or
it is determined that such Manager’s employment could have been terminated for Cause at the time such Manager resigned or his or her employment was otherwise terminated), Echo will have the right, on one or more occasions, at any time up to and
including the date that is 180 days following the later to occur of (x) the termination of such Manager’s employment and (y) the date that is six (6) months plus one (1) day following the most recent acquisition of Purchased
Management Shares from Echo by any member of such Manager’s Management Call Group, to purchase from such Manager’s Management Call Group, and, upon the exercise of such call right, each member of such Management Call Group shall sell to
Echo, all (or a portion, as designated by Echo) of the Purchased Management Shares held by such member of the Management Call Group as of the date that such call right is exercised at a price (the “Bad Leaver Price”) equal to the
lesser of (A) the Fair Market Value of the Purchased Management Shares being sold, determined as of the date specified in such Management Call Notice, which date shall be no earlier than the date that is six (6) months plus one
(1) day following the most recent acquisition from Echo by any member of such Manager’s Management Call Group of any such Purchased Management Shares that are to be purchased by Echo pursuant to such exercised call right and shall be no
later than the last date on which Echo is permitted to issue a Management Call Notice in respect of such Purchased Management Shares under this Section 6.1(a)(ii), and (B) the excess, if any, of the price paid, if any,
by such Manager for such Purchased Management Shares over all amounts distributed to the holder of the Purchased Management Shares prior to the date of purchase; provided, that for purposes of the foregoing clause (B), the price paid by a
Manager for an Echo Share acquired upon exercise of an Option, Warrant or Convertible Security will be deemed to be equal to the exercise price of such Option, Warrant or Convertible Security (less any amounts distributed to the holder of the
Purchased Management Shares prior to the date of purchase), determined as of the date specified in such Management Call Notice (as defined below), which date shall be no later than the last date on which Echo is permitted to issue a Management Call
Notice in respect of such Purchased Management Shares under this Section 6.1(a)(ii). 
 (iii)
Violation of Non-Competition Obligations. If a Manager’s employment with any of the Employer Parties is terminated for any reason or if a Manager resigns his or her employment for any reason, and,
within twelve (12) months of such termination or resignation, such Manager Competes, then Echo will have the right, on one or more occasions, at any time up to and including the date that is one hundred eighty (180) days following the
later to occur of (x) the first date on which the Employer Party receives notice that such Manager Competed and (y) the date that is six (6) months plus one (1) day following the most recent acquisition of Purchased Management
Shares from Echo by any member of such Manager’s Management Call Group, to purchase from such Management 

  
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Call Group, and, upon the exercise of such call right, each member of such Management Call Group shall sell to Echo, all (or a portion, as designated by Echo) of the Purchased Management Shares
held by such member of the Management Call Group as of the date as of which such call right is exercised at a price equal to the Bad Leaver Price, determined as of the date specified in such Management Call Notice (as defined below), which date
shall be no later than the last date on which Echo is permitted to issue a Management Call Notice in respect of such Purchased Management Shares under this Section 6.1(a)(iii). 

(iv) Resignation without Good Reason prior to the Third Anniversary. If, prior to the third (3rd) anniversary of the
date on which a Manager commences employment with any of the Employer Parties (or if such Manager was employed prior to the Closing Date by MCK or any of its Affiliates, the date on which a Manager commenced employment with MCK or any of its
Affiliates, as applicable), the Manager resigns his or her employment without Good Reason (and, for the avoidance of doubt, other than upon death or Disability), Echo will have the right, on one or more occasions, at any time up to and including the
date that is 180 days following the later to occur of (x) termination of such Manager’s employment and (y) the date that is six (6) months plus one (1) day following the most recent acquisition of Purchased Management Shares
from Echo by any member of such Manager’s Management Call Group, to purchase from such Management Call Group, and, upon the exercise of such call right, each member of such Management Call Group shall sell to Echo, all (or a portion, as
designated by Echo) of the Purchased Management Shares held by such member of the Management Call Group as of the date as of which such call right is exercised at a price equal to the Bad Leaver Price, determined as of the date specified in such
Management Call Notice (as defined below), which date shall be no later than the last date on which Echo is permitted to issue a Management Call Notice in respect of such Purchased Management Shares under this
Section 6.1(a)(iv). 
 Section 6.2 Notices, Etc. Any Management Call Option may be exercised by
delivery of written notice thereof (the “Management Call Notice”) to all members of the applicable Management Call Group from whom Echo has elected to purchase Purchased Management Shares no later than the end of the applicable
period specified in Section 6.1. The Management Call Notice shall state that Echo (or its designated assignee) has elected to exercise the Management Call Option, the number of Purchased Management Shares with respect to
which the Management Call Option is being exercised and the price or date for determining the price of such shares. 
 Section 6.3
Vesting. The rights of Echo (or its designated assignee) or the Sponsors to purchase Echo Shares under this Article VI are in addition to, and do not modify, any vesting or exercisability requirements that may be included in the terms
of any such Echo Shares. 
 Section 6.4 Closing. 

(a) The closing of any purchase and sale of Echo Shares pursuant to this Article VI shall occur on such date as Echo (or its designated
assignee) shall specify, which date shall not be later than ninety (90) days after the fiscal quarter-end immediately following the date of delivery of the Management Call Notice (provided, that
such time may be extended as necessary to comply with requirements of the HSR Waiting Period or applicable foreign antitrust laws or other applicable legal requirements) at the principal office of Echo (or its designated assignee), or at such other
time and location as the parties to such purchase may mutually determine. 

  
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 (b) At the closing of any purchase and sale of Echo Shares following the exercise of any
Management Call Option, the holders of Echo Shares to be sold shall deliver to Echo (or its designated assignee) a certificate or certificates representing Echo Shares to be purchased by Echo (or its designated assignee), duly endorsed, or with
stock (or equivalent) powers duly endorsed, for transfer with signature guaranteed, free and clear of any lien or encumbrance, with any necessary stock (or equivalent) transfer tax stamps affixed, and Echo (or its designated assignee) shall pay to
such holder by certified or bank check or wire transfer of immediately available federal funds the purchase price of Echo Shares being purchased by Echo (or its designated assignee). The delivery of a certificate or certificates for Echo Shares by
any Person selling Echo Shares pursuant to any Management Call Option will be deemed a representation and warranty by such Person that: (i) such Person has full right, title and interest in and to such Echo Shares; (ii) such Person has all
necessary power and authority and has taken all necessary action to sell such Echo Shares as contemplated; and (iii) such Echo Shares are free and clear of any and all liens or encumbrances. 

Section 6.5 Form of Payment. 

(a) If (i) any payment of cash is required upon the purchase of Echo Shares by Echo upon the exercise of any Management Call Option or
(ii) any payment on a promissory note issued under this Section 6.5 comes due, and, in either case, such payment (or any dividend to fund such payment) would (or with notice or the lapse of time or both would)
constitute, result in or give rise to a breach or violation of the terms or provisions of, or result in a default, event of default or right or cause of action under, any guarantee, financing or security agreement, indenture or document entered into
by Echo, the Company or any of their Subsidiaries and in effect on such date in respect of indebtedness for borrowed money or debt security, would be prohibited under Section 160 (“Section 160”) of the
General Corporation Law of the State of Delaware (the “DGCL”), or would otherwise violate the DGCL (or if Echo, the Company or any such Subsidiary reincorporates in another jurisdiction, the applicable business corporation law of
such jurisdiction), then, to the extent permitted by Section 160 (or such other applicable business corporation law): 

(i) in the case of a cash payment due at a closing of any purchase of Echo Shares by Echo (or its designated assignee) upon the
exercise of any Management Call Option, Echo (or its designated assignee) will issue a promissory note in the aggregate principal amount of such payment, the principal amount of which note will be due and payable in four equal annual installments,
the first such installment becoming due and payable on the first anniversary of the issuance of such note (in each case subject to Section 6.5(a)(iii) below) and interest will accrue thereon at a rate equal to the prime
rate (as reported in the Wall Street Journal Eastern Edition) plus three percent (3%); 
 (ii) in the case of a cash payment
in respect of a promissory note issued under this Section 6.5, notwithstanding any of the provisions of such note, including the stated maturity of such note and the stated date on which interest payments are due, such
payment will not become due and payable until such time as such payment can be made without violating any such agreement or applicable law; and 

  
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 (iii) notwithstanding the terms of any promissory note issued pursuant to
this Section 6.5, Echo (or its designated assignee) must pay off the promissory note immediately prior to or upon the earliest of (i) a Company Sale, (ii) a Qualified IPO (but only to the extent of the net
proceeds received by Echo (or its designated assignee) in such Qualified IPO), (iii) five (5) Business Days after the date on which a cash payment paying off such promissory note could be made (1) without (immediately or with notice or the
lapse of time or both) constituting, resulting in or giving rise to any breach or violation of the terms or provisions of, or result in a default, event of default or right or cause of action under, any guarantee, financing or security agreement,
indenture or document entered into by Echo, the Company or any of their Subsidiaries and in effect on such date in respect of indebtedness for borrowed money or debt security, (2) that would not be prohibited under Section 160 (or such
other applicable business corporation law), and (3) that would not otherwise violate the DGCL (or if Echo, the Company or any such Subsidiary reincorporates in another jurisdiction, the applicable business corporation law of such jurisdiction)
and (iv) the date on which any cash dividend or distribution is made in respect of Echo Shares. At any such time, Echo (or its designated assignee) shall promptly notify the holder of such promissory note and make a payment on each such
promissory note. If more than one such promissory note is outstanding at the time of payment, payment shall be made to the holders of all such promissory notes on a pro rata basis. 

(b) In the event that Echo has exercised its call right pursuant to Section 6.1 with respect to Echo Shares held by
(i) a Manager who (A) Competes within twelve (12) months of such Manager’s termination of employment or resignation as described in Section 6.1(a)(iii) or (B) is determined to have been eligible for
termination for Cause, in either case following Echo’s exercise of such call right, and/or (ii) one or more members of such Manager’s Management Call Group that held Echo Shares, such Manager and/or such members of such Manager’s
Management Call Group will be obligated to deliver to Echo, within five (5) days following notice from Echo that such amount is due, an amount equal to the product of (x) the number of Echo Shares purchased in connection with the exercise
of the call right, multiplied by (y) the excess, if any, of the price paid for such Echo Shares over the Bad Leaver Price for such Echo Shares. 

Section 6.6 Sponsor Call Option. If Echo elects not to purchase (pursuant to Section 6.1 hereof) any or
all Purchased Management Shares held by a Manager or one or more members of such Manager’s Management Call Group, Echo shall notify the Sponsors and Other Investors that are Affiliates of a Sponsor and, subject to the prior written approval of
MCK (provided that such approval shall not be required following the MCK Trigger Date), the Sponsors and such Other Investors may purchase (on a pro rata basis based on the aggregate number of Echo Shares then owned by the
Sponsors and Other Investors that are Affiliates of a Sponsor) any or all of the remaining Purchased Management Shares held by such Persons for the purchase price identified in Section 6.1 hereof; provided, that
nothing in this Section 6.6 will operate to extend the time within which the Management Call Notice may be delivered pursuant to Section 6.2 hereof. 

  
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 Section 6.7 Management Put Option. 

(a) If a Manager’s employment with any of the Employer Parties either (i) terminates due to the death of such Manager or (ii) is
terminated by any of the Employer Parties as a result of the Disability of such Manager, such Manager and such Manager’s Immediate Family shall have the right, for a period of 90 days following the 180th day after the date of termination of
such Manager’s employment, to sell to Echo (or, subject to the prior written approval of MCK, and for all purposes under this Section 6.7, its designated assignee (provided that such approval shall not be
required following the MCK Trigger Date)), and Echo (or its designated assignee) shall be required to purchase, subject to the provisions of Section 6.5, on one occasion from such Manager or such Manager’s Immediate
Family, all of such Manager’s Echo Shares at a price equal to the Fair Market Value of the Echo Shares being purchased (measured as of the purchase date) (the “Management Put Option”); provided, that the exercise of such
right may be delayed by Echo (or its designated assignee) to the extent any such delay is necessary to avoid the application of adverse accounting treatment to Echo (or its designated assignee). 

(b) If a Manager or a Manager’s Immediate Family, as applicable, desires to exercise its Management Put Option pursuant to
Section 6.7(a), such Manager or such Manager’s Immediate Family, as applicable, shall send written notice to Echo setting forth such Manager or such Manager’s Immediate Family, as applicable, intention to sell all
of such Manager’s Echo Shares, as applicable, pursuant to Section 6.7(a) (the “Put Notice”). No Put Notice shall be effective unless received prior to the date of the Qualified IPO or a Company Sale.

 (c) The closing of any purchase and sale of Echo Shares pursuant to this Section 6.7 shall occur on such date as
Echo (or its designated assignee) shall specify at the principal office of Echo (or its designated assignee), or at such other time and location as the parties to such purchase may mutually determine. 

(d) At the closing of any purchase and sale of Echo Shares following the exercise of any Management Put Option, the holders of Echo Shares to
be sold shall deliver to Echo (or its designated assignee) a certificate or certificates representing the Echo Shares to be purchased by Echo (or its designated assignee), duly endorsed, or with stock (or equivalent) powers duly endorsed, for
transfer with signature guaranteed, free and clear of any lien or encumbrance, with any necessary stock (or equivalent) transfer tax stamps affixed, and Echo (or its designated assignee) shall pay to such holder by certified or bank check or wire
transfer of immediately available federal funds the purchase price of the Echo Shares being purchased by Echo (or its designated assignee). The delivery of a certificate or certificates for Echo Shares by any Person selling Echo Shares pursuant to
any Management Put Option will be deemed a representation and warranty by such Person that: (i) such Person has full right, title and interest in and to such Echo Shares; (ii) such Person has all necessary power and authority and has taken
all necessary action to sell such Echo Shares as contemplated; and (iii) such Echo Shares are free and clear of any and all liens or encumbrances. 

Section 6.8 Acknowledgment. Each holder of Echo Shares acknowledges and agrees that neither Echo (or its designated assignee), nor
any Person directly or indirectly affiliated with Echo (or its designated assignee) (in each case whether as a director, officer, manager, employee, agent or otherwise), will have any duty or obligation to affirmatively disclose to him, her or it,
and he, she or it will not have any right to be advised of, any material information regarding Echo (or its designated assignee) or otherwise at any time prior to, upon, or in connection with any termination of his, her or its employment by any of
the Employer Parties upon the exercise of any Management Call Option or any purchase of Echo Shares in accordance with the terms hereof. 

  
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 Section 6.9 Call/Put Period. The foregoing provisions of this Article VI
will expire with respect to any Management Share not called or put, if not earlier expired in accordance with the provisions of this Article VI, prior to the earlier of the closing of (a) a Company Sale and (b) a Qualified IPO. 

Section 6.10 Up-C Structure. The foregoing provisions of this Article VI are
subject to the restrictions with respect to redemption and repurchase set forth in Section 3.03 of the LLC Agreement. In the event Echo elects to exercise the Management Call Option, the Company (or its designated affiliate) will have the right
to purchase for cash (or such other form of payment as set forth in Section 6.5) all or any portion of the Units underlying such Purchased Management Shares held by Echo. In the event the Company elects to purchase all or
any portion of the Units held by Echo underlying the Purchased Management Shares, Echo will use the proceeds to purchase the Purchased Management Shares. In the event that Echo is required pursuant to Section 6.7 to
purchase Echo Shares, then substantially simultaneously with such purchase, the Company agrees to redeem, repurchase or otherwise acquire from Echo an equal number of Units for an aggregate price equal to the Fair Market Value of the Echo Shares
being purchased calculated as set forth in Section 6.7. In the event payment is made on a promissory note pursuant to Section 6.5 issued by Echo or the Company, as applicable, then the Company or
Echo, as applicable, will enter into a promissory note with the same aggregate principal amount and terms as specified in Section 6.5. 

ARTICLE VII 
 GENERAL
PROVISIONS 
 Section 7.1 Waiver by Stockholders. The rights and obligations contained in this Agreement are in addition to
the relevant provisions of the Articles in force from time to time and shall be construed to comply with such provisions. To the extent that this Agreement is determined to be in contravention of the Articles, this Agreement shall constitute a
waiver by each Stockholder, to the fullest extent permissible under applicable laws, of any right such Stockholder may have pursuant to the Articles that is inconsistent with this Agreement and the Stockholders and Echo shall take all Necessary
Action to effect an amendment of the Articles, to the extent permissible under applicable law, in order to resolve such contravention. Notwithstanding the foregoing, no amendment shall be made to the provisions of the Articles relating to the
Class X Stock without the prior written consent of MCK. 
 Section 7.2 Assignment; Benefit. 

(a) The rights and obligations hereunder shall not be assignable without the prior written consent of the other parties hereto except as
provided under Article IV. Any attempted assignment of rights or obligations in violation of this Section 7.2 shall be null and void. 

(b) This Agreement shall be binding upon and shall inure to the benefit of the parties hereto, and their respective successors and permitted
assigns, and there shall be no third-party beneficiaries to this Agreement other than the Indemnitees under Section 7.14. 

  
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 Section 7.3 Freedom to Pursue Opportunities. In recognition of the fact that MCK
and the Sponsors and their respective Affiliates (including any Other Investors that are Affiliates of a Sponsor) and portfolio companies currently engage in, and may in the future engage in, the same or similar activities or lines of business as
Echo, the Company and their respective Subsidiaries and have an interest in the same areas and types of corporate opportunities as Echo, the Company and their respective Subsidiaries, and in recognition of the benefits to be derived by Echo, the
Company and their respective Subsidiaries through its and their continued contractual, corporate and business relations with MCK, the Sponsors and Other Investors that are Affiliates of a Sponsor (including possible service of directors, officers
and employees of MCK and the Sponsors as directors, officers and employees of Echo, the Company and their respective Subsidiaries), Echo, the Company and their respective Subsidiaries disclaim and renounce any interest or expectancy in, or being
offered the opportunity to participate in, any corporate opportunity not expressly allocated to it pursuant to this Section 7.3 to the fullest extent permitted by applicable laws, including Section 122(17) of
the General Corporation Law of the State of Delaware. Echo expressly acknowledges and agrees to the fullest extent permitted by applicable law that: (i) each Sponsor, Other Investor that is an Affiliate of a Sponsor, Sponsor Director (other
than any independent director) and Affiliated Officer of Echo currently have, and will in the future have or will consider acquiring, investments in numerous companies with respect to which such Sponsor, any such Other Investors that are Affiliates
of a Sponsor, any of such Sponsor Directors (other than any independent director) or any of such Affiliated Officers of Echo may serve as an advisor, a director or in such other capacity and, in recognition that such Sponsor, Other Investors that
are Affiliates of a Sponsor, Sponsor Directors (other than any independent director) and Affiliated Officers of Echo have myriad duties to various investors and partners and, in anticipation that Echo, the Company and their respective Subsidiaries,
on the one hand, and the Sponsor, Other Investors that are Affiliates of a Sponsor, Sponsor Directors (other than any independent director) and Affiliated Officers of Echo, on the other hand, may engage in the same or similar activities or lines of
business and have an interest in the same areas of corporate opportunities; (ii) each Sponsor, Other Investor that is an Affiliate of a Sponsor, Sponsor Director (other than any independent director) and Affiliated Officer of Echo has the right
to, and shall have no duty (contractual or otherwise) not to, (x) directly or indirectly engage in the same or similar business activities or lines of business as Echo, the Company or their respective Subsidiaries, including those deemed to be
competing with Echo, the Company or their respective Subsidiaries, or (y) directly or indirectly do business with any client or customer of Echo, the Company or their respective Subsidiaries; and (iii) in the event that a Sponsor, Other
Investor that is an Affiliate of a Sponsor, Sponsor Director (other than any independent director) or Affiliated Officer of Echo acquires knowledge of a potential transaction or matter that may be a corporate opportunity for Echo, the Company or
their respective Subsidiaries, such Sponsor, Other Investor that is an Affiliate of a Sponsor, Sponsor Director (other than any independent director) or Affiliated Officer of Echo shall have no duty (contractual or otherwise) to communicate or
present such corporate opportunity to Echo, the Company or their respective Subsidiaries, as the case may be, and, notwithstanding any provision of this Agreement or the Articles to the contrary, shall not be liable to Echo, the Company or their
respective Subsidiaries, Affiliates or Stockholders for breach of any duty (contractual or otherwise) by reason of the fact that such Sponsor, Other Investor that is an Affiliate of a Sponsor, Sponsor Director (other than any independent director)
or Affiliated Officer of Echo, directly or indirectly, pursues or acquires such opportunity for itself, directs such opportunity to another Person, or does not present such opportunity to Echo, the Company or their respective Subsidiaries. Echo
covenants and agrees that as of the date hereof, and hereafter at all times, the Articles and the certificates of incorporation and by-laws and/or equivalent governing documents of Echo, the Company and their
respective Subsidiaries shall contain the renouncement, disclaimer, waiver and acknowledgement equivalent to that as set forth in this Section 7.3. 

 

  
 - 39 - 

 Section 7.4 Publicity and Confidentiality. Each Stockholder and MCK shall keep
confidential this Agreement, the transactions contemplated hereby and any non-public information relating to Echo, the Company or any of their respective Subsidiaries and shall not disclose, issue any press
release or otherwise make any public statement in connection therewith (other than as may be necessary to monitor, increase or decrease its investment in the Company) without the prior written consent of the Sponsors (not to be unreasonably
withheld); provided, that such Stockholder or MCK may disclose any such information (i) as has become generally available to the public, (ii) to its employees and attorneys, accountants, consultants and other professional advisers
who need to know such information, including to the extent necessary to obtain their services in connection with monitoring its investment in the Company, and agree to keep it confidential, (iii) to the extent required in order to comply with
reporting obligations to its direct or indirect partners, members, or other equity holders (including the employees and professional advisors of such equity holders) who have agreed (subject to customary exceptions) to keep such information
confidential, (iv) to Persons who have expressed a bona fide interest in becoming limited partners, members or other equity holders in such Stockholder or its related investment funds, in each case who have agreed to keep such
information confidential, (v) to the extent necessary in order to comply with any law, order, regulation, ruling or stock exchange rules applicable to such Stockholder, (vi) as may be required in connection with a registered offering,
including any disclosure contemplated under the Registration Rights Agreement, (vii) to any proposed Permitted Transferee of such Stockholder or any proposed Transferee in any Transfers of Echo Shares in compliance with this Agreement, in each
case, to the extent that that such Transferee agrees to be bound by customary confidentiality provisions with respect to any confidential information of Echo, the Company or any of their respective Subsidiaries, and/or (viii) in response to any
summons or subpoena or in connection with any litigation, it being agreed that, unless such information has been generally available to the public, if such information is being requested pursuant to a summons or subpoena or a discovery request in
connection with a litigation, (x) such Stockholder and MCK shall, to the extent permitted by applicable law, give Echo notice of such request and shall cooperate with Echo at Echo’s request so that Echo may, at its cost and in its
discretion, seek a protective order or other appropriate remedy, if available, and (y) in the event that such protective order is not obtained (or sought by Echo after notice), such Stockholder (a) shall furnish only that portion of the
information which, in accordance with the advice of counsel, is legally required to be furnished and (b) will exercise its reasonable efforts to obtain assurances that confidential treatment will be accorded such information. Nothing contained
herein shall prevent the use (subject, to the extent practicable, to a protective order) of any such confidential information in connection with the assertion or defense of any claim; provided, further that nothing in this
Section 7.4 shall be deemed to restrict any Stockholder’s ability to monetize its equity investment in of in compliance with applicable securities laws. Notwithstanding anything in this
Section 7.4 to the contrary, each Sponsor, Echo, MCK and Stockholder acknowledges and agrees (a) to be bound by the confidentiality provisions of the LLC Agreement with respect to any confidential information of the
Company, and if any provision herein is in conflict with the confidentiality provisions of the LLC Agreement, than the more restrictive provision on such Sponsor, Echo, MCK and/or Stockholder shall govern with respect to confidential information
about the Company and (b) that each other Stockholder may develop or receive from third parties 

  
 - 40 - 

 
information that is the same as or similar to the confidential information of Echo, the Company or their Subsidiaries, and that nothing in this Agreement restricts or prohibits any Stockholder
(by itself or through a third party) from developing, receiving or disclosing such information, or any products, services, concepts, ideas, systems or techniques that are similar to or compete with the products, services, concepts, ideas, systems or
techniques contemplated by or embodied in the confidential information of Echo or the Company; provided, that Blackstone and H&F shall not provide any non-public financial information or
competitively or strategically sensitive information about Echo, the Company or any of their Subsidiaries to (a) any limited partner that is not subject to customary confidentiality and non-use
restrictions with respect to such information (subject to customary exceptions) or (b) to any other Person in the course of investing or fundraising activities that is not subject to customary confidentiality and
non-use restrictions with respect to such information (subject to customary exceptions) and, in any of either (a) or (b), any non-public financial information shall
be limited to Blackstone’s and H&F’s valuation of Echo, the Company and their Subsidiaries without providing underlying forecasted financial data or trends; provided, that Blackstone shall be permitted to disclose underlying
forecasted financial data or trends to the two co-investors in Echo who have entered into confidentiality agreements which are reasonably acceptable to MCK; provided, further, that in any case
Blackstone shall provide prompt written notice of such disclosure to MCK. 
 Section 7.5 Termination. 

(a) To the extent not otherwise terminated by the express provisions of this Agreement, this Agreement shall terminate only (i) by written
consent of each of the Sponsors and MCK, (ii) upon the dissolution or liquidation of Echo, automatically (without any action by any party hereto), (iii) upon the completion of a Drag-Along Sale of all of the Echo Shares to a third party under
Section 4.2 of this Agreement or a Company Drag-Along Sale under Section 9.03 of the LLC Agreement, (iv) as to MCK under Section 2.4 (other than Section 2.4(c))
and Section 3.4 through Section 3.6, upon the MCK Trigger Date (provided, that clause (ii) of Section 2.4(a) shall survive until the earlier to occur of
(x) the consummation of a Qualified MCK Exit or (y) the third (3rd) anniversary of Closing), and (v) as to each Stockholder (including as to such Stockholder’s status as a
“Sponsor”) when such Stockholder ceases to hold any Echo Shares; provided, that, no Stockholder shall be relieved of any liability for any breach of any provision in this Agreement that has occurred prior to any termination of this
Agreement (or any applicable portion hereof). Notwithstanding anything contained herein to the contrary, the provisions of Section 7.1 through Section 7.16 shall survive any termination of any
provisions of this Agreement. 
 (b) Upon termination of this Agreement, unless otherwise agreed, the parties hereto shall take all Necessary
Action to amend the Articles to remove any provisions that are in such documents solely due to the existence of this Agreement. 

Section 7.6 Severability. In the event that any provision of this Agreement shall be invalid, illegal or unenforceable, all other
provisions of this Agreement will nevertheless remain in full force and effect. Upon such determination that any provision of this Agreement is invalid, illegal or unenforceable, the parties hereto will negotiate in good faith to modify this
Agreement so as to achieve the original intent of the parties. 

  
 - 41 - 

 Section 7.7 Entire Agreement; Amendment; Waiver; Non-Circumvention. 
 (a) Entire Agreement. This Agreement (together with the Transaction
Documents) sets forth the entire understanding and agreement between the parties with respect to the transactions contemplated herein and supersedes and replaces any prior understanding, agreement or statement of intent, in each case written or
oral, of any kind and every nature with respect hereto. 
 (b) Amendment. No provision of this Agreement may be amended, supplemented,
modified or waived in whole or in part at any time without the express written consent of the holders of a majority of the Echo Shares; provided, that any such amendment, supplement, modification or waiver that would be materially adverse to
any Sponsor or disproportionately affects a Sponsor relative to the other Sponsors shall require the prior written consent of such affected Sponsor (by the holders of a Majority in Interest of Echo Shares held by such Sponsor, as the case may be);
provided, further, that any such amendment, supplement, modification or waiver of (a) Section 2.2, Section 2.4, Section 3.1(b),
Section 3.4 through Section 3.6, Article IV and Article VII that adversely affects MCK or the Company, in any material respect, shall require the consent of MCK and
(b) Section 3.1(h), Section 3.2 through Section 3.6, Article IV, Article VI and Article VII that adversely affects H&F, in any material
respect, shall require the consent of the Majority H&F Investors; provided, that upon such time as any provision of this Agreement terminates as to MCK under Section 7.5, such approval in (a) with respect to
such terminated provision shall not be required by MCK; provided, further, that upon such time as H&F no longer holds any Units in the Company exchangeable for Echo Shares or other Equity Interests of Echo, such approval in
(b) shall not be required. Except as set forth above, or as otherwise reflected in the Transaction Documents or the Articles, there are no other agreements with respect to the governance of Echo between any Stockholders or any of their
Affiliates or portfolio companies. 
 (c) Waiver. No waiver of any breach of any of the terms of this Agreement shall be effective
unless such waiver is expressly made in writing and executed and delivered by the party against whom such waiver is claimed. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a further
or continuing waiver of such breach or as a waiver of any other or subsequent breach. Except as otherwise expressly provided herein, no failure on the part of any party to exercise, and no delay in exercising, any right, power or remedy hereunder,
or otherwise available in respect hereof at law or in equity, shall operate as a waiver thereof, nor shall any single or partial exercise of such right, power or remedy by such party preclude any other or further exercise thereof or the exercise of
any other right, power or remedy. 
 (d) Non-Circumvention. None of Echo, the Company, any
Sponsor, any other Stockholder or MCK shall, in any manner, directly or indirectly, circumvent or attempt to circumvent this Agreement, including, without limitation, forming, joining, or in any way participating in any corporation, partnership,
limited partnership, limited liability company, syndicate or other firm, entity or group (or otherwise acting in concert with any person, firm or entity) for the purpose of taking any action in circumvention of this Agreement or which is restricted
or prohibited under this Agreement. 

  
 - 42 - 

 Section 7.8 Counterparts. This Agreement may be executed in any number of
separate counterparts (including by facsimile or by electronic mail if in .pdf format) each of which when so executed shall be deemed to be an original and all of which together shall constitute one and the same agreement. 

Section 7.9 Notices. Unless otherwise specified herein, all notices, consents, approvals, reports, designations, requests,
waivers, elections and other communications authorized or required to be given pursuant to this Agreement shall be in writing and shall be given, made or delivered by personal hand-delivery, by facsimile transmission, by electronic mail, by mailing
the same in a sealed envelope, registered first-class mail, postage prepaid, return receipt requested, or by air courier guaranteeing overnight delivery (and such notice shall be deemed to have been duly given, made or delivered (a) on the date
received, if delivered by personal hand delivery, (b) on the date received, if delivered by facsimile transmission, by electronic mail or by registered first-class mail prior to 5:00 p.m. prevailing local time on a Business Day, or if delivered
after 5:00 p.m. prevailing local time on a Business Day or on a day other than a Business Day, on the first Business Day thereafter and (c) two (2) Business Days after being sent by air courier guaranteeing overnight delivery), addressed to the
Stockholder at the following addresses (or at such other address for a Stockholder as shall be specified by like notice): 
  

			
	(i) if to Blackstone, to:
	
	c/o The Blackstone Group
	345 Park Avenue
	New York, New York 10154
	Attention:	  	John G. Finley
	E-mail:	  	            [Email Address]
	Facsimile:	  	(212) 583-5749
	
	with a copy (which shall not constitute notice) to:
	
	Ropes & Gray LLP
	The Prudential Tower
	800 Boylston Street
	Boston, Massachusetts 02119
	Attention:	  	R. Newcomb Stillwell
	E-mail:	  	            [Email Address]
	Facsimile:	  	(617) 235 0213
	
	and
	
	Ropes & Gray LLP
	Three Embarcadero Center
	San Francisco, CA 94111-4006
	Attention:	  	Jason Freedman
	E-mail:	  	            [Email Address]
	Facsimile:	  	(415) 315-4876
		
	and	  	

  
 - 43 - 

 
			
	(ii) if to H&F, to:
	
	c/o Hellman & Friedman LLC
	One Maritime Plaza
	12th Floor
	San Francisco, California 94111
	Attention:	  	Allen R. Thorpe
		  	Arrie R. Park
	Facsimile:	  	(415) 788-0176
	
	with a copy (which shall not constitute notice) to:
	
	Simpson Thacher & Bartlett LLP
	2475 Hanover Street
	Palo Alto, California 94304
	Attention:    	  	Chad A. Skinner
	Facsimile:	  	(650) 251-5002
	
	(iii) if to the MCK to:
	
	McKesson Corporation
	One Post Street, 32nd Floor
	San Francisco, CA 94104
	Attention:	  	Assistant General Counsel
	Facsimile:	  	(415) 983-8457
	
	with a copy (which shall not constitute notice) to:
	
	Davis Polk & Wardwell LLP
	1600 El Camino Real
	Menlo Park, CA 94025
	Attention:	  	Alan F. Denenberg
	Facsimile:	  	(650) 752-2004
	
	(iv) if to Echo or the Company to:
	
	c/o The Blackstone Group
	345 Park Avenue
	New York, New York 10154
	Attention:	  	John G. Finley
	E-mail:	  	[Email Address]
	Facsimile:	  	(212) 583-5749

  
 - 44 - 

 
			
	
	with a copy (which shall not constitute notice) to:
	
	Ropes & Gray LLP
	The Prudential Tower
	800 Boylston Street
	Boston, Massachusetts 02119
	Attention:	  	R. Newcomb Stillwell
	E-mail:	  	            [Email Address]
	Facsimile:	  	(617) 235 0213
	
	and
	
	Ropes & Gray LLP
	Three Embarcadero Center
	San Francisco, CA 94111-4006
	Attention:	  	Jason Freedman
	E-mail:	  	            [Email Address]
	Facsimile:	  	(415) 315-4876

 (v) if to any other Stockholder, to such Stockholder’s address appearing on the
stock books of Echo or to such other address as may be designated by such Stockholder in writing to Echo. 
 Section 7.10 Governing
Law. THIS AGREEMENT AND ANY RELATED DISPUTE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF DELAWARE, WITHOUT REGARD TO ANY CHOICE OF LAW PROVISIONS THAT WOULD RESULT IN THE APPLICATION OF THE LAWS OF ANY OTHER
STATE. 
 Section 7.11 Jurisdiction. EACH OF THE PARTIES TO THIS AGREEMENT (I) HEREBY IRREVOCABLY SUBMITS TO THE EXCLUSIVE
JURISDICTION OF THE COURTS OF THE STATE OF DELAWARE OR (TO THE EXTENT SUBJECT MATTER JURISDICTION EXISTS THEREFOR) THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF DELAWARE FOR THE PURPOSE OF ANY ACTION OR PROCEEDING AGAINST THE PARTIES RELATING
IN ANY WAY TO THIS AGREEMENT, (II) HEREBY WAIVES, TO THE EXTENT NOT PROHIBITED BY APPLICABLE LAW, AND AGREES NOT TO ASSERT, BY WAY OF MOTION, AS A DEFENSE OR OTHERWISE, IN ANY SUCH ACTION, ANY CLAIM THAT IS NOT SUBJECT PERSONALLY TO THE
JURISDICTION OF THE ABOVE-NAMED COURTS, THAT ITS PROPERTY IS EXEMPT OR IMMUNE FROM ATTACHMENT OR EXECUTION, THAT ANY SUCH ACTION BROUGHT IN ONE OF THE ABOVE-NAMED COURTS SHOULD BE DISMISSED ON GROUNDS OF FORUM NON CONVENIENS, SHOULD BE
TRANSFERRED OR REMOVED TO ANY COURT OTHER THAN ONE OF THE ABOVE-NAMED COURTS, OR SHOULD BE STAYED BY REASON OF THE PENDENCY OF SOME OTHER ACTION IN ANY OTHER COURT OTHER THAN ONE OF THE ABOVE-NAMED COURTS OR THAT THIS AGREEMENT OR THE SUBJECT MATTER
HEREOF OR THEREOF MAY NOT BE ENFORCED IN OR BY SUCH COURT AND (III) HEREBY AGREES NOT TO COMMENCE ANY SUCH ACTION OTHER THAN BEFORE ONE OF THE ABOVE-NAMED COURTS. ANY ACTIONS OR PROCEEDINGS TO ENFORCE A JUDGMENT ISSUED BY ONE OF THE ABOVE-NAMED
COURTS MAY BE ENFORCED IN ANY JURISDICTION. 

  
 - 45 - 

 Section 7.12 Waiver of Jury Trial. TO THE FULLEST EXTENT PERMITTED BY APPLICABLE
LAW, EACH OF THE PARTIES HERETO HEREBY KNOWINGLY AND VOLUNTARILY WAIVES AND AGREES NOT TO ASSERT (WHETHER AS PLAINTIFF, DEFENDANT OR OTHERWISE) ANY RIGHT TO TRIAL BY JURY IN ANY JUDICIAL PROCEEDING INVOLVING, DIRECTLY OR INDIRECTLY, ANY MATTERS WITH
RESPECT TO THIS AGREEMENT OR ANY ACTIONS OR PROCEEDINGS (WHETHER SOUNDING IN TORT, CONTRACT OR OTHERWISE) IN ANY WAY ARISING OUT OF, RELATED TO, OR CONNECTED WITH THIS AGREEMENT, THE TRANSACTIONS CONTEMPLATED HEREBY OR THE RELATIONSHIP ESTABLISHED
HEREUNDER. A COPY OF THIS PARAGRAPH MAY BE FILED WITH ANY COURT AS WRITTEN EVIDENCE OF THE KNOWING, VOLUNTARY AND BARGAINED-FOR AGREEMENT IRREVOCABLY TO WAIVE THE RIGHT TO TRIAL BY JURY IN ANY SUCH ACTION AND
THAT SUCH ACTION WILL INSTEAD BY TRIED BY A JUDGE SITTING WITHOUT A JURY. 
 Section 7.13 Specific Performance. It is hereby
agreed and acknowledged that it will be impossible to measure in money the damages that would be suffered if the parties fail to comply with any of the obligations herein imposed on them by this Agreement and that, in the event of any such failure,
an aggrieved party will be irreparably damaged and will not have an adequate remedy at law. Any such party shall, therefore, be entitled (in addition to any other remedy to which such party may be entitled at law or in equity) to injunctive relief,
including specific performance, to enforce such obligations, without the posting of any bond, and if any action should be brought in equity to enforce any of the provisions of this Agreement, none of the parties hereto shall raise the defense that
there is an adequate remedy at law. 
 Section 7.14 Indemnification by Stockholders; Damages; Equity Adjustments. 

(a) Each of the Stockholders will indemnify, exonerate and hold Echo, the Company and any of their Subsidiaries (and respective stockholders,
members, Affiliates, directors, officers, fiduciaries, managers, controlling Persons, employees and agents and each of the partners, stockholders, members, Affiliates, directors, officers, fiduciaries, managers, controlling Persons, employees and
agents of each of the foregoing), free and harmless from and against any and all actions, causes of action, suits, claims, liabilities, losses, damages and costs and
out-of-pocket expenses in connection therewith (including reasonable attorneys’ fees and expenses) incurred by the Indemnitees or any of them after the date of this
Agreement, arising out of any action, cause of action, suit, arbitration or claim arising directly or indirectly out of, or in any way relating to, any, without duplication, (i) breach of any representation or warranty contained in
Section 2.3 of this Agreement attributable to such Stockholder, or (ii) a breach of any covenant or agreement made or to be performed by or on behalf of such Stockholder pursuant to this Agreement or the Contribution
Agreement. 
 (b) If any adjustment to the amount of Equity Interests directly or indirectly held by Echo in the Company is required by the
terms of Article 8 of the Contribution Agreement in respect of a breach of a covenant by a Stockholder or breach of a representation or warranty concerning such Stockholder (a, “Breaching Stockholder”), Echo will take all Necessary
Action to (i) to provide written notice to such Breaching Stockholder of any such adjustment, setting forth the total number of Equity Interests in Echo equal to its indirect Equity Interests in the Company

  
 - 46 - 

 
that are subject to such adjustment and (ii) cause a proportionate adjustment to such number of Equity Interests in Echo held by the Stockholders such that each Breaching Stockholder bears
the full economic effect of Echo’s loss of its Equity Interests directly or indirectly held in the Company. In furtherance of the foregoing, not later than ten (10) Business Days after receipt of such notice, each of the Stockholders
bearing any portion of such adjustment shall deliver to Echo the certificates representing such Stockholder’s Equity Interests (in the amount set forth in such notice) free and clear of any lien, with any stock (or equivalent) transfer tax
stamps affixed, together with a limited power-of-attorney in customary form authorizing Echo or its representative to Transfer such Equity Interests. Echo and/or its
Subsidiaries shall promptly enter into, and each Stockholder shall take all Necessary Action to promptly enter into, such definitive agreements required by Echo to effect any adjustment pursuant to this Section 7.14(b).
Without limitation as to the other provisions set forth in Section 4.4, each Stockholder, whether in his, her or its capacity as a Stockholder, officer or director of Echo, or otherwise, shall take or cause to be taken all
such Necessary Action in order expeditiously to consummate any adjustment pursuant to this Section 7.14(b), including (x) executing, acknowledging and delivering consents, assignments, waivers and other documents or
instruments; (y) furnishing information and copies of documents; filing applications, reports, returns, filings and other documents or instruments with Governmental Authorities; and (z) otherwise cooperating with Echo. 

Section 7.15 Expenses. The fees and expenses incurred by the Sponsors and their respective Affiliates in connection with the
preparation, negotiation or execution of this Agreement, the Contribution Agreement or the other Transaction Documents or the consummation of the transactions contemplated hereby or thereby (including reasonable fees and expenses of counsel to each
of the Sponsors and their respective Affiliates) shall be paid by Echo in accordance with Section 9.08 of the Contribution Agreement. For the avoidance of doubt, all fees and expenses incurred by H&F and its Affiliates in connection with
the preparation, negotiation or execution of the Transaction Documents or the consummation of the transactions contemplated thereby (including reasonable fees and expenses of counsel to H&F and its Affiliates) shall be considered Echo Holdco
Transaction Expenses for purposes of the Contribution Agreement. 
 Section 7.16 The Company Parties. The Company Parties hereby
agree that each of the Company Parties will be jointly and severally liable for any payment obligations of the Company contained in this Agreement. 

{Remainder of page intentionally left blank} 

  
 - 47 - 

 IN WITNESS WHEREOF, the parties have duly executed this Agreement as of the day and year
first above written. 
 ECHO: 
  

			
	HCIT HOLDINGS, INC.
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title: President and
Treasurer

 THE COMPANY: 

 

			
	CHANGE HEALTHCARE LLC
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title: Co-President and Co-Secretary

		
	By:	 	 /s/ John Saia

		 	 Name: John Saia
 Title: Co-President and Co-Secretary

 THE COMPANY PARTIES: 

 

			
	CHANGE HEALTHCARE INTERMEDIATE HOLDINGS, LLC
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title: Co-President and Co-Secretary

		
	By:	 	 /s/ John Saia

		 	 Name: John Saia
 Title: Co-President and Co-Secretary

  

			
	CHANGE HEALTHCARE HOLDINGS, LLC
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title: Co-President and Co-Secretary

		
	By:	 	 /s/ John Saia

		 	 Name: John Saia
 Title: Co-President and Co-Secretary

 [Signature Page – Echo Stockholders Agreement] 

 
			
	CHANGE HEALTHCARE OPERATIONS, LLC
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title:
Secretary

	
	CHANGE HEALTHCARE SOLUTIONS, LLC
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title:
Secretary

	
	CHANGE HEALTHCARE INTERMEDIATE HOLDINGS, INC.
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title: General Counsel
and Secretary

	
	CHANGE HEALTHCARE HOLDINGS, INC.
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title: General Counsel
and Secretary

	
	CHANGE HEALTHCARE, INC.
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title: General Counsel
and Secretary

	
	CHANGE HEALTHCARE FINANCE, INC.
		
	By:	 	 /s/ Gregory T. Stevens

		 	 Name: Gregory T. Stevens
 Title: Co-President and Treasurer

		
	By:	 	 /s/ John Saia

		 	 Name: John Saia
 Title: Co-President and Secretary

 [Signature Page – Echo Stockholders Agreement] 

 SPONSORS: 

 

			
	BLACKSTONE CAPITAL PARTNERS VI L.P.
	
	By: Blackstone Management Associates VI L.L.C., its general partner
	
	By: BMA VI L.L.C., its sole member
		
	By:	 	 /s/ Neil Simpkins

		 	 Name: Neil Simpkins
 Title: Senior Managing
Director

	
	BLACKSTONE FAMILY INVESTMENT PARTNERSHIP VI L.P.
	
	By: BCP VI Side-By-Side GP L.L.C., its general partner
		
	By:	 	 /s/ Neil Simpkins

		 	 Name: Neil Simpkins
 Title: Senior Managing
Director

	
	BLACKSTONE FAMILY INVESTMENT PARTNERSHIP VI - ESC L.P.
	
	By: BCP VI Side-By-Side GP L.L.C., its general partner
		
	By:	 	 /s/ Neil Simpkins

		 	 Name: Neil Simpkins
 Title: Senior Managing
Director

 [Signature Page – Echo Stockholders Agreement] 

 H&F: 

 

			
	H&F HARRINGTON AIV II, L.P.
	
	By: Hellman & Friedman Investors VI, L.P., its general partner
	
	By: Hellman & Friedman LLC, its general partner
		
	By:	 	 /s/ P. Hunter Philbrick

		 	 Name: P. Hunter Philbrick
 Title: Managing
Director

	
	HFCP VI DOMESTIC AIV, L.P.
	
	By: Hellman & Friedman Investors VI, L.P., its general partner
	
	By: Hellman & Friedman LLC, its general partner
		
	By:	 	 /s/ P. Hunter Philbrick

		 	 Name: P. Hunter Philbrick
 Title: Managing
Director

	
	HELLMAN & FRIEDMAN INVESTORS VI, L.P.
	
	By: Hellman & Friedman LLC, its general partner
		
	By:	 	 /s/ P. Hunter Philbrick

		 	 Name: P. Hunter Philbrick
 Title: Managing
Director

	
	HELLMAN & FRIEDMAN CAPITAL EXECUTIVES VI, L.P.
	
	By: Hellman & Friedman Investors VI, L.P., its general partner
	
	By: Hellman & Friedman LLC, its general partner
		
	By:	 	 /s/ P. Hunter Philbrick

		 	 Name: P. Hunter Philbrick
 Title: Managing
Director

 [Signature Page – Echo Stockholders Agreement] 

 
			
	HELLMAN & FRIEDMAN CAPITAL ASSOCIATES VI, L.P.
	
	By: Hellman & Friedman Investors VI, L.P., its general partner
	
	By: Hellman & Friedman LLC, its general partner
		
	By:	 	 /s/ P. Hunter Philbrick

		 	 Name: P. Hunter Philbrick
 Title: Managing
Director

 MCK: 
  

			
	MCKESSON CORPORATION
		
	By:	 	 /s/ Bansi Nagji

		 	 Name: Bansi Nagji
 Title: Executive Vice
President,
           Corporate Strategy and Business

          Development

	
	MCKESSON TECHNOLOGIES LLC
		
	By:	 	 /s/ John Saia

		 	 Name: John Saia
 Title: Vice President and
Secretary

	
	PST SERVICES LLC
		
	By:	 	 /s/ John Saia

		 	 Name: John Saia
 Title: Vice President and
Secretary

 [Signature Page – Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

			
	                                     
                                   	  	
	Name: Blackstone Eagle Principal Transaction Partners L.P.	  	
	
	 By:      Blackstone Management Associates VI L.L.C., its
general partner

		
	 By:      BMA VI L.L.C., its sole member
	  	
	
	 By:      /s/ Neil Simpkins

	            Name: Neil Simpkins
	            Title: Senior Managing Director
		
	 Dated: February 28, 2017
	  	
		
	 Address for notices:
	  	
		
	
                   
                                         
            
	  	
		
	
                   
                                         
            
	  	

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

					
	  

	Name: GSO COF Facility LLC
		
	By:	 	GSO Capital Partners LP, its Collateral Manager
		
	By:	 	/s/ Marisa Beeney
		 	Name: Marisa Beeney
		 	Title: Authorized Person
		
		 	Dated: March 1, 2017
		
		 	Address for notices:
	
	__[Address]_______________________
	
	  

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Daniel Lieber

	Name: Daniel Lieber
	
	Dated: February 19, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	  

  

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Derek C. Woo

	Name: Derek C. Woo
	
	Dated: February 13, 2017
	
	Address for notices:
	
	__[Address]______________
	
	  

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Gregory Cohen

	Name: Gregory Cohen
	
	Dated: February 16, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	  

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Gregory Luff

	Name: Gregory Luff
	
	Dated: February 17, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	  

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Howard L. Lance

	Name: Howard L. Lance
	
	Dated: February 14, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	  

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ James Dalen

	Name: James Dalen
	
	Dated: February 11, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	  

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Jared Sokolsky

	Name: Jared Sokolsky
	
	Dated: February 15, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	
                     
    

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Kevin C. Barrett

	Name: Kevin C. Barrett
	
	Dated: February 15, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	
                     
    

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Kriten Joshi

	Name: Kriten Joshi
	
	Dated: February 14, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	
                 

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Lisa M. DiSalvo

	Name: Lisa M. DiSalvo
	
	Dated: February 10, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	              

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Neil de Crescenzo

	Name: Neil de Crescenzo
	
	Dated: February 20, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	              

  

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Philip M. Pead

	Name: Philip M. Pead
	
	Dated: February 10, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	          

	

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Sophia Kim

	Name: Sophia Kim
	
	Dated: February 10, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	              

	

  
 [Signature Page –
Echo Stockholders Agreement] 

 Counterpart Signature Page 

The undersigned hereby agrees to join, become a party to and be bound by, as a “Stockholder” and a “[Sponsor /
Manager / Other Investor],” the Stockholders Agreement of HCIT Holdings, Inc., a Delaware corporation (“Echo”), entered into as of March 1, 2017, by and among: (i) Blackstone Capital Partners VI L.P.,
Blackstone Family Investment Partnership VI L.P. and Blackstone Family Investment Partnership VI-ESC L.P. (“Blackstone”); (iii) H&F Harrington AIV II, L.P., HFCP VI Domestic AIV, L.P.,
Hellman & Friedman Investors VI, L.P., Hellman & Friedman Capital Executives VI, L.P., Hellman & Friedman Capital Associates VI, L.P. (“H&F”); (iv) McKesson Corporation, a Delaware corporation
(“MCK”); (v) Change Healthcare LLC, a Delaware limited liability company (the “Company”); and (vi) certain other holders of Echo’s outstanding securities, as the same may be in effect from time to time.

  

	
	 /s/ Randy Giles

	Name: Randy Giles
	
	Dated: March 3, 2017
	
	Address for notices:
	
	__[Address]___________________________
	
	  

  
 [Signature Page –
Echo Stockholders Agreement]

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