Document:

Document

Exhibit 4.2

HESKA CORPORATION
DESCRIPTION OF SECURITIES

DESCRIPTION OF COMMON STOCK
General
The following description summarizes important terms of our common stock. Because it is only a summary, it does not contain all the information that may be important to you. For a complete description of the matters set forth herein, you should refer to our Certificate of Incorporation and our bylaws, both of which are filed as exhibits to our Annual Report on Form 10-K, and to the applicable provisions of Delaware law. 
On May 4, 2010, our stockholders approved an amendment to our Certificate of Incorporation (the “NOL Protective Amendment”). The NOL Protective Amendment places restrictions on the transfer of our common stock that could adversely affect our ability to use our domestic Federal Net Operating Loss carryforward (“NOL”). The NOL Protective Amendment reclassified our capital stock into shares of Traditional common stock and common stock, which together we refer to as our “common stock.” These restrictions on transfer prohibit certain future transfers of our capital stock that could adversely affect our ability to utilize our NOL and certain income tax credits to reduce our federal income taxes, which we refer to as the “Tax Benefits.” Pursuant to the NOL Protective Amendment, each share of Traditional common stock was automatically reclassified into one share of common stock.
After giving effect to the amendments to our Certificate of Incorporation adopted subsequent to the NOL Protective Amendment, our authorized capital stock consists of 42,500,000 shares of capital stock, par value $0.01 per share, of which:
•20,000,000 shares of original common stock are designated as Traditional common stock;
•20,000,000 shares of NOL restricted common stock are designated as Public common stock; and
•2,500,000 shares are designated as preferred stock.
All outstanding shares of common stock are validly issued, fully paid, and nonassessable.
The number of authorized shares of common stock may be increased or decreased (but not below the number of shares thereof then outstanding) by the affirmative vote of the holders of a majority of the capital stock of the Company entitled to vote.
Voting rights
Each holder of common stock is entitled to one vote for each share of common stock held of record on the applicable record date on all matters submitted to a vote of stockholders. There are no cumulative voting rights for the election of directors in our Certificate of Incorporation. The directors elected at each annual meeting of stockholders are elected for a one year term of office expiring at the next annual meeting of stockholders.
Directors are elected by a plurality of the vote of the holders of a majority of the stock present in person or represented by proxy and entitled to vote on the election of directors. Except as provided otherwise in the Certificate of Incorporation, the bylaws, or applicable Delaware law, the vote of the holders of a majority of the stock present in person or represented by proxy 

and entitled to vote on the subject matter shall decide any matter brought before a meeting of stockholders.
Dividend rights; rights upon liquidation
The holders of common stock are entitled to receive dividends out of assets legally available for dividends at times and in amounts as our board of directors may determine. These dividend rights are subject to any preferential dividend rights that may be granted to holders of outstanding preferred stock.
In the event of our liquidation, dissolution or winding up, each share of common stock is entitled to share pro rata in any distribution of our assets after payment or providing for the payment of liabilities and the liquidation preference of any then outstanding preferred stock.
Preemptive and other rights
Other than as set forth under the caption “Conversion” below, holders of common stock have no preemptive or other rights to purchase, subscribe for or otherwise acquire any unissued or treasury shares or other of our securities. There are no redemption or sinking fund provisions applicable to the common stock securities.
Conversion
Each share of Public common stock will automatically be converted into the equivalent number of shares of Traditional common stock on the earliest of January 1, 2026, the date our board of directors determines that the transfer restrictions described below are no longer necessary or advisable to preserve the Tax Benefits due to changes in tax laws, or the date our board of directors determines in good faith that it is in the best interests of the Company and our stockholders to terminate the transfer restrictions.
NOL transfer restrictions
As a result of the NOL Protective Amendment, the shares of common stock are subject to transfer restrictions such that holders of common stock are restricted from attempting to transfer (which includes any direct or indirect acquisition, sale, transfer, assignment, conveyance, pledge or other disposition) any of the shares of common stock (or options, warrants or other rights to acquire common stock, or securities convertible or exchangeable into common stock), to the extent that such transfer would (i) create or result in an individual or entity becoming a five-percent stockholder of the common stock for purposes of Section 382 of the Internal Revenue Code of 1986, as amended, and the related Treasury Regulations, which individual or entity is referred to as a “five-percent stockholder,” or (ii) increase the stock ownership percentage of any existing five-percent stockholder.
Transfers that violate the provisions of the NOL Protective Amendment shall be null and void ab initio and shall not be effective to transfer any record, legal, beneficial or any other ownership of the number of shares which result in the violation of the NOL Protective Amendment, which shares are referred to as “Excess Securities.” The purported transferee shall not be entitled to any rights as a Company stockholder with respect to the Excess Securities. Instead, the purported transferee would be required, upon demand by us, to transfer the Excess Securities to an agent designated by us for the limited purpose of consummating an orderly arm’s-length sale of such Excess Securities. The net proceeds of the sale will be distributed first to reimburse the agent for any costs associated with the sale, second to the purported transferee to the extent of the price it paid, and finally to the purported transferor to the extent there is any additional amount, or, if the purported transferor cannot readily be identified to us, to cover the 
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costs incurred by us as a result of such prohibited transfer, with the remainder, if any, to be donated to a charity designated by our board of directors.
With respect to any transfer that does not involve a transfer of our “securities” within the meaning of Delaware law but which would cause any five-percent stockholder to violate the transfer restrictions, the following procedure would apply in lieu of those described above. In such case, no such five-percent stockholder would be required to dispose of any interest that is not a security of the Company, but such five-percent stockholder and/or any person whose ownership of our securities is attributed to such five-percent stockholder, would be deemed to have disposed of (and would be required to dispose of) sufficient securities (which securities shall be disposed of in the inverse order in which they were acquired), simultaneously with the transfer, to cause such five-percent stockholder not to be in violation of the transfer restrictions, and such securities would be treated as Excess Securities to be disposed of through the agent under the provisions summarized above, with the maximum amount payable to such five-percent stockholder or such other person that was the direct holder of such Excess Securities from the proceeds of sale by the agent being the fair market value of such Excess Securities at the time of the prohibited transfer.
The NOL Protective Amendment also provides us with various remedies to prevent or respond to a purported transfer that violates its provisions, including that any person who knowingly violates it, together with any persons in the same control group with such person, are jointly and severally liable to us for such amounts as will put us in the same financial position as it would have been in had such violation not occurred.
The foregoing transfer restriction provisions may only be amended or repealed by the affirmative vote of the holders of at least two-thirds of the shares entitled to vote thereon.  This summary description of the NOL Protective Amendment does not purport to be complete and is qualified in its entirety by reference to the full text of the NOL Protective Amendment.  
Anti-takeover provisions in Delaware law and our certificate of incorporation
The NOL Protective Amendment may have an “anti-takeover” effect because, among other things, the common stock restricts the ability of a person, entity or group to accumulate more than five percent of the common stock and the ability of persons, entities or groups now owning more than five percent of the outstanding shares of common stock from acquiring additional shares of common stock without the approval of our board of directors.
We are subject to Section 203 of the Delaware General Corporation Law, an anti-takeover law. In general, the statute prohibits a publicly held Delaware corporation from engaging in a business combination with an “interested stockholder” for a period of three years after the date of the transaction in which the person became an interested stockholder, unless the business combination is approved in a prescribed manner. A “business combination” includes a merger, asset sale or other transaction resulting in financial benefit to the stockholder. An “interested stockholder” is a person who, together with affiliates and associates, owns (or within three years prior, did own) 15% or more of the corporation’s voting stock.
The Certificate of Incorporation provides that special meetings of stockholders may be called only at the request of our chairman of the board of directors, our chief executive officer or president, or by a resolution adopted by a majority of our board of directors.
The provisions described above, together with the ability of our board of directors to issue preferred stock without stockholder approval, could have the effect of delaying, deferring or preventing a change in control, delaying, deferring or preventing the removal of existing management, deterring potential acquirers from making an offer to our stockholders, and limiting 
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any opportunity of our stockholders to realize premiums over prevailing market prices of our common stock in connection with offers by potential acquirers.
The above-described effects could occur even if a majority of our stockholders might benefit from such a change in control or offer.
Listing
Our common stock is listed on The Nasdaq Capital Market under the symbol “HSKA”.

4EX-4.1

 Exhibit 4.1 

AMENDED AND RESTATED 

STOCKHOLDERS AGREEMENT 

This AMENDED AND RESTATED STOCKHOLDERS AGREEMENT (this “Agreement”), dated as of October 21, 2021, is
entered into by and among Altus Midstream Company, a Delaware corporation (the “Corporation”), APA Corporation, a Delaware corporation (“APA Corporation”), Apache Midstream LLC, a Delaware limited
liability company (“Apache Midstream”), Buzzard Midstream LLC, a Delaware limited liability company and controlled Affiliate of ISQ Global Infrastructure Fund II L.P. (“ISQ”), BCP Raptor Aggregator,
LP, a Delaware limited partnership and controlled Affiliate of Blackstone Capital Partners VII L.P. and Blackstone Energy Partners II L.P. (“BX Aggregator”), BX Permian Pipeline Aggregator LP, a Delaware limited partnership
and controlled Affiliate of Blackstone Capital Partners VII L.P. and Blackstone Energy Partners II L.P. (“BX Permian”), New BCP Raptor Holdco, LLC, a Delaware limited liability company (“New Raptor”),
and solely for purposes of Section 2(a)(iv) and Section 2(a)(v), BCP Raptor Holdco, LP, a Delaware limited partnership (“Raptor”). Each of the Corporation, APA Corporation,
Apache Midstream, ISQ, BX Aggregator, BX Permian and New Raptor is sometimes referred to herein individually as a “Party” and collectively as the “Parties.” 

WHEREAS, the Corporation, Apache Midstream and Kayne Anderson Sponsor, LLC, a Delaware limited liability company (“Kayne
Anderson”), previously entered into that certain Stockholders Agreement dated as of November 9, 2018 (the “Existing Stockholders Agreement”), pursuant to which, among other things, Apache Midstream and its
Affiliates have certain Board designation rights; 
 WHEREAS, pursuant to the terms thereof, the Existing Stockholders Agreement has
terminated with respect to Kayne Anderson; 
 WHEREAS, the current parties to the Existing Stockholders Agreement desire to amend and
restate the Existing Stockholders Agreement in its entirety as provided herein; and 
 WHEREAS, in connection with the transactions (the
“Business Combination”) contemplated by that certain Contribution Agreement, dated as of the date hereof, by and among the Corporation, Altus Midstream LP, a Delaware limited partnership, BCP Raptor Holdco, LP, a Delaware
limited partnership, and New Raptor (the “Contribution Agreement”), the Corporation, APA Corporation, Apache Midstream, BX Aggregator, BX Permian, ISQ and New Raptor are entering into this Agreement, effective concurrently
with the Closing (as defined below), to set forth certain understandings among themselves following the Closing. 

 NOW, THEREFORE, in consideration of the promises and of the mutual consents and obligations
hereinafter set forth, the Parties hereby agree as follows: 
 Section 1. Definitions; Interpretation. 

(a) Definitions. As used herein, the following terms shall have the following respective meanings: 

“Affiliate” means (a) with respect to any Person, other than an individual, any other Person that directly or
indirectly controls, is controlled by, or is under common control with, such Person (solely for purposes of Section 20, including any principal, member, director, partner, stockholder, officer, employee or other
representative of any of the foregoing) and (b) as to any individual, (i) any member of the immediate family of an individual Stockholder, including parents, siblings, spouse, and children (including those by adoption) of such individual
Stockholder, and, in any such case, any trust whose primary beneficiary is such individual Stockholder or one or more members of such individual Stockholder’s immediate family or such individual Stockholder’s lineal descendants,
(ii) the legal representative or guardian of such individual Stockholder or of any such immediate family member in the event such individual Stockholder or any such immediate family member becomes mentally incompetent, and (iii) any Person
controlling, controlled by, or under common control with, such individual Stockholder. As used in this definition, the term “control,” (and its correlative terms) means the possession, directly or indirectly, of the power to direct or
cause the direction of the management and policies of a Person, whether through ownership of voting securities, by contract, or otherwise. For purposes of this Agreement other than Section 20, (i) the Corporation shall not
constitute an Affiliate of any other Party and (ii) no Party shall be deemed to be an Affiliate of another Party solely by reason of the execution and delivery of this Agreement or the Registration Rights Agreement. 

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

“Altus Dividend” means the dividend as set forth on Schedule 1 hereto. 

“APA Corporation” has the meaning set forth in the Preamble. 

“Apache” means Apache Midstream and any Permitted Transferee to whom the rights and obligations of “Apache”
have been assigned in compliance with Section 11(b). 
 “Apache Director” has the
meaning set forth in Section 2(a)(i). 
 “Apache Midstream” has the meaning set forth in
the Recitals. 
 “BX Aggregator” has the meaning set forth in the Preamble. 

“BCP Sponsors” has the meaning set forth in Section 20(b). 

“Beneficial Owner” means, with respect to any security, any Person who directly or indirectly, through any contract,
arrangement, understanding, relationship or otherwise, has or shares (a) voting power, which includes the power to vote, or to direct the voting of, such security or (b) investment power, which includes the power to dispose, or to direct
the disposition of, such security; provided, however, that (i) the Shares underlying the Warrants shall be deemed to not be Beneficially Owned by any Person for purposes of calculating Beneficial Ownership pursuant to
Section 2 and Section 6 until such time as such Warrants are exercised in accordance with their terms and (ii) for purposes of Section 2 only, any shares issued by the Corporation in any
primary issuance that occurs on a date between the date of this Agreement and December 31, 2022 shall not be considered outstanding until the day following the Corporation’s annual meeting that occurs in the 2023 calendar year. The terms
“Beneficially Own” and “Beneficial Ownership” will have correlative meanings. For the avoidance of doubt, for purposes of this Agreement, no Stockholder shall be deemed to Beneficially Own the Shares
of another Stockholder, solely due to the fact that such Shares are subject to this Agreement. 

  
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 “Blackstone” means BX Aggregator and any Permitted Transferee to
whom the rights and obligations of “Blackstone” have been assigned in compliance with Section 11(b). 

“Blackstone Directors” has the meaning set forth in Section 2(a)(iii). 

“Board” means the board of directors of the Corporation. 

“Business Combination” has the meaning set forth in the Recitals. 

“BX Permian” has the meaning set forth in the Preamble. 

“Change of Control” means any transaction or series of related transactions, however structured, the result of which
is that any “person” or “group” (within the meaning of Sections 13(d) or 14(d)(2) of the Exchange Act), other than any Stockholder and its Affiliates, acquires Beneficial Ownership of more than fifty percent (50%) of the voting
stock of the Corporation, measured by voting power rather than number of shares, units or the like. 

“Class A Common Stock” means the Class A common stock, par value $0.0001 per
share, of the Corporation. 
 “Class C Common Stock” means the Class C common
stock, par value $0.0001 per share, of the Corporation. 
 “Closing” means the closing of the Business Combination.

 “Closing Date” means the date of the closing of the Business Combination. 

“Common Stock” means (a) the Class A Common Stock, (b) the Class C Common Stock and (c) any
capital stock of the Corporation into which such Common Stock may hereafter be changed or for which such Common Stock may be exchanged, and shall also include any Common Stock of the Corporation of any class hereafter authorized. 

“Confidential Information” has the meaning set forth in Section 25. 

“Contribution Agreement” has the meaning set forth in the Recitals. 

“Corporation” has the meaning set forth in the Preamble. 

“Covered Related Party Transaction” means any transaction for which disclosure would be required pursuant to Item
404(a) of Regulation S-K under the Exchange Act, but with all references to (a) “registrant” being deemed to be references to “the Corporation”, (b) “any related person” being
deemed to be references to “the Stockholder (or the Affiliate of the Stockholder) entering into the transaction in question” and (c) “$120,000” being deemed to be references to “$5,000,000”. Notwithstanding the
foregoing, any transaction (y) contemplated by the Contribution Agreement, the LPA or any other Ancillary Agreement (as defined in the 

  
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Contribution Agreement), or (z) entered into prior to the date of this Agreement shall, in each case, be deemed to not be a Covered Related Party Transaction; provided,
however, that any amendment, waiver, consent or election by the Corporation or its controlled Affiliates after the date hereof in respect of any transaction that is the subject of foregoing clause (y) or (z) shall be deemed a Covered
Related Party Transaction. 
 “Exchange Act” means the Securities Exchange Act of 1934, as amended. 

“Existing Stockholders Agreement” has the meaning set forth in the Recitals. 

“I Squared” means ISQ and any Permitted Transferee to whom the rights and obligations of “I Squared” have
been assigned in compliance with Section 11(b). 
 “I Squared Directors” has the
meaning set forth in Section 2(a)(ii). 
 “Identified Person” has the meaning set forth in
Section 20(c). 
 “Independent Director” has the meaning set forth in
Section 2(a)(iv). 
 “ISQ” has the meaning set forth in the Preamble. 

“Joinder Agreement” has the meaning set forth in Section 3(a). 

“Kayne Anderson” has the meaning set forth in the Recitals. 

“LPA” means the Third Amended and Restated Agreement of Limited Partnership of Altus Midstream LP, dated as of the
date hereof, as it may be amended, restated, supplemented and otherwise modified from time to time. 
 “National Securities
Exchange” means the principal national securities exchange on which the Class A Common Stock is then listed for trading. 

“New Raptor” has the meaning set forth in the Preamble. 

“Non-Employee Directors” has the meaning set forth in
Section 20(b). 
 “Opt-Out Notice” “has the
meaning set forth in Section 24(d). 
 “Permitted Transferee” means, in respect of a
Stockholder, any Affiliate of such Stockholder. 
 “Person” means any individual, corporation, firm, partnership,
joint venture, limited liability company, estate, trust, business association, organization, any court, administrative agency, regulatory body, commission or other governmental authority, board, bureau or instrumentality, domestic or foreign and any
subdivision thereof or other entity, and also includes any managed investment account. 
 “Recipient Parties” has
the meaning set forth in Section 24. 

  
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 “Registration Rights Agreement” means that certain Second Amended
and Restated Registration Rights Agreement, dated as of the date hereof, by and among the Corporation, Apache Midstream, ISQ, BX Aggregator, BX Permian, New Raptor and the other Persons party thereto. 

“SEC” means the U.S. Securities and Exchange Commission. 

“Shares” means the shares of Common Stock of the Corporation. 

“Stockholders” means each of APA Corporation, Apache Midstream, ISQ, BX Aggregator, BX Permian, New Raptor and any
Person who becomes a Stockholder pursuant to Section 3(a) as a result of a Transfer from a Stockholder. 

“Subject Opportunity” has the meaning set forth in Section 20(a). 

“Subject Securities” means (a) Shares and Units Beneficially Owned by (x) APA Corporation, if any, and
Apache Midstream immediately following the Closing, (y) BX Aggregator, BX Permian, ISQ and New Raptor immediately following the Closing and (z) a Permitted Transferee to whom any such Shares or Units set forth in the foregoing clause
(x) and (y) are transferred in accordance with Section 3, (b) shares of Class A Common Stock that may be received at a later date upon the redemption or exchange of any Units and shares of Class C Common
Stock covered by clause (a), (c) the Warrants Beneficially Owned by Apache Midstream immediately following the Closing and (d) shares of Class A Common Stock that may be received at a later date upon the exercise of Warrants covered
by clause (c). 
 “Transfer” has the meaning set forth in Section 3(a). 

“Units” has the meaning given to such term in the LPA as of the date hereof. 

“Warrants” means the warrants exercisable for shares of Class A Common Stock. 

Any capitalized term used in any Section of this Agreement that is not defined in this Section 1 shall have the
meaning ascribed to it in such other Section or as otherwise defined herein. 
 (b) Rules of Construction. The headings and captions
herein are inserted for convenience of reference only and are not intended to govern, limit, or aid in the construction of any term or provision hereof. The Parties recognize that this Agreement is the product of the joint efforts of the Parties. It
is the intention of the Parties that every covenant, term, and provision of this Agreement shall be construed simply according to its fair meaning and not strictly for or against any Party (notwithstanding any rule of law requiring an agreement to
be strictly construed against the drafting party), it being understood that the Parties are sophisticated and have had adequate opportunity and means to retain counsel to represent their interests and to otherwise negotiate the provisions of this
Agreement. Further, unless the context requires otherwise: 
 (i) terms defined in Section 1 or elsewhere in this
Agreement have the meanings assigned to them in that Section for purposes of this Agreement; 
 (ii) the gender (or lack of gender) of all
words used in this Agreement includes the masculine, feminine, and neuter; 

  
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 (iii) references to Sections (other than in connection with laws) refer to Sections,
respectively, of this Agreement unless otherwise indicated by the context thereof; 
 (iv) the words “herein,”
“hereof,” “hereunder,” and other words of similar import refer to this Agreement as a whole and not to any particular Section; 

(v) “include,” “includes,” and “including” mean “include, without limitation,” “includes,
without limitation,” and “including, without limitation,” respectively; 
 (vi) terms defined herein include the plural as
well as the singular; 
 (vii) “or” is not exclusive; 

(viii) all references to “$” and dollars shall be deemed to refer to United States currency unless otherwise specifically provided;

 (ix) if a provision or defined term is incorporated into this Agreement by referencing another contract and such contract is terminated,
such termination shall have no effect on such provision or defined term as used in this Agreement; and 
 (x) the serial comma is sometimes
included and sometimes omitted. Its inclusion or omission shall not affect the interpretation of any phrase. 
 Section 2. Board of
Directors. 
 (a) Designation of Directors. Following the Closing Date: 

(i) Apache shall have the right to designate to the Board one (1) director for so long as Apache and its Affiliates Beneficially Own 10%
or more of the outstanding Shares (the director designated by Apache, the “Apache Director”); 
 (ii) I Squared
shall have the right to designate to the Board (A) two (2) directors for so long as I Squared and its Affiliates Beneficially Own 20% or more of the outstanding Shares and (B) one (1) director for so long as I Squared and its
Affiliates Beneficially Own 10% or more but less than 20% of the outstanding Shares (the directors designated by I Squared, the “I Squared Directors”); and 

(iii) Blackstone shall have the right to designate to the Board on the Closing Date (A) three (3) directors for so long as
Blackstone and its Affiliates Beneficially Own 30% or more of the outstanding Shares, (B) two (2) directors for so long as Blackstone and its Affiliates Beneficially Own 20% or more but less than 30% of the outstanding Shares and
(C) one (1) director for so long as Blackstone and its Affiliates Beneficially Own 10% or more but less than 20% of the outstanding Shares (the directors designated by Blackstone, the “Blackstone Directors”). 

(iv) Apache shall have the one-time right to designate to the Board on the Closing Date two
(2) directors who qualify as independent under the listing rules of the National Securities Exchange (each an “Independent Director”); provided, that Raptor shall be entitled to reject one such proposed designee and, in
the event of such rejection, Apache shall have the right to designate an alternative Independent Director. 

  
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 (v) Blackstone shall have the one-time right to
designate to the Board on the Closing Date two (2) Independent Directors; provided, that Apache shall be entitled to reject one such proposed designee and, in the event of such rejection, Blackstone shall have the right to designate an
alternative Independent Director. 
 (b) Chairperson of the Board. Blackstone shall have the right to designate a Blackstone Director
as the Non-Executive Chairperson of the Board until the earlier of December 31, 2024 and such time as Blackstone is no longer entitled to designate pursuant to Section 2(a)(iii).

 (c) Election of Directors. The Corporation shall take all necessary action to cause all individuals designated pursuant to
Section 2(a) to be included in the slate of nominees recommended by the Board (or any authorized committee thereof) to the Corporation’s stockholders for election as directors at each annual meeting of the stockholders
of the Corporation (or in connection with any election by written consent) and the Corporation shall use reasonable best efforts to cause the election of each such designee, including nominating each such individual to be elected as a director of
the Corporation, recommending such individual’s election and soliciting proxies in favor of the election of such designee. 
 (d)
Replacement of Directors. If at any time Apache, I Squared or Blackstone has designated fewer than the total number of individuals that Apache, I Squared or Blackstone, as applicable, is then entitled to designate pursuant to this
Section 2, or in the event that a vacancy is created at any time by the death, disability, retirement, resignation, disqualification, removal (with or without cause) or failure to be elected at an annual or special meeting
of the stockholders of an Apache Director, I Squared Director or Blackstone Director designated pursuant to this Section 2 (which, for the avoidance of doubt, does not include the Independent Directors appointed by Apache
or Blackstone pursuant to this Section 2), then Apache, I Squared or Blackstone, as applicable depending on whether such vacancy or vacancies relate to an Apache Director, I Squared Director or Blackstone Director, shall
have the right to designate such additional individuals or replacements to fill such vacancy or vacancies so long as the total number of persons that will serve on the Board immediately thereafter pursuant to
Section 2(a) as designees of Apache, I Squared or Blackstone, as applicable, will not exceed the total number of persons Apache, I Squared or Blackstone, as applicable, is entitled to designate pursuant
to Section 2(a) on the date of such designation. In any such case, the Corporation shall promptly take all necessary action to effect the appointment of such additional or replacement designee(s), and the Board or
authorized committee thereof shall promptly appoint such designee to the Board. The Corporation shall not reduce the size of the Board if the effect thereof would deny any Party its designation rights provided in
Section 2(a). 
 (e) Laws and Regulations. Nothing in this Section 2 shall be
deemed to require that any Party, or any Affiliate thereof, act or be in violation of any applicable provision of law, regulation, legal duty (including fiduciary duty) or requirement, or rule of any National Securities Exchange. 

  
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 (f) Reimbursement of Expenses. The Corporation shall reimburse the directors
designated pursuant to this Section 2 for all reasonable out-of-pocket expenses incurred in connection with their attendance at meetings of the
Board and any committees thereof, including travel, lodging and meal expenses, but the directors designated pursuant to Section 2(a)(i), (ii), and (iii) shall not be entitled to receive compensation for
service as directors of the Corporation. In addition, the Independent Directors shall be entitled to receive additional compensation as determined by the Board. 

(g) Indemnity Agreements. Simultaneously with any person designated in accordance with this Agreement becoming a director, the
Corporation shall execute and deliver to each such director a customary director indemnification agreement dated the date such director becomes a director of the Corporation. 

Section 3. Lockup and Transfer Restrictions. 

(a) For twelve (12) months following the Closing Date, no Stockholder shall, without the prior written consent of the Corporation,
(i) offer, pledge, sell, contract to sell, grant any option, right or warrant to purchase, give, assign, distribute (including to any limited partners), hypothecate, pledge, encumber, grant a security interest in, sell any option or contract to
purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, lend or otherwise transfer or dispose of (including through any hedging or other similar transaction) any economic, voting or other rights in or to
Subject Securities, or otherwise transfer or dispose of, directly or indirectly, Subject Securities or (ii) enter into any swap or other agreement that transfers, in whole or in part, any of the economic consequences of Beneficial Ownership of
Subject Securities (any such transaction described in clause (i) or (ii) above, a “Transfer”). Notwithstanding the foregoing, the restrictions set forth in this Section 3(a) shall
not apply to (A) a Transfer pursuant to a Change of Control or (B) a Transfer by a Stockholder to any of its Affiliates otherwise in compliance with this Agreement; provided, however, that (i) any such Affiliate must agree in
writing to be bound by Section 3 of this Agreement (and any related section of this Agreement) by execution of a Joinder Agreement in the form attached hereto as Exhibit A (“Joinder
Agreement”) (which such execution shall be deemed, for all purposes, to be the execution of this Agreement), with such transferee being deemed to be such transferor Stockholder and a Party for purposes of
Section 3 of this Agreement (and any related section of this Agreement) and (ii) the Corporation is provided with an executed copy of the Joinder Agreement. 

(b) Notwithstanding Section 3(a), APA Corporation and Apache Midstream shall be free to engage in any Permitted
Apache Offering (as defined in the Registration Rights Agreement) during the Apache Priority Window (as defined in the Registration Rights Agreement). 

(c) For the avoidance of doubt, the redemption or exchange of Units for shares of Class A Common Stock pursuant to the terms of the LPA
(and corresponding cancellations of shares of Class C Common Stock) shall not be deemed to be a Transfer under this Section 3; provided for the avoidance of doubt that any shares of Class A Common Stock
issued pursuant to such redemption or exchange shall be subject to the restrictions in this Section 3. 

  
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 Section 4. Directors’ and Officers’
Insurance. 
 The Corporation shall maintain directors’ and officers’ liability insurance covering the Corporation’s and
its subsidiaries’ directors and officers and issued by reputable insurers, with appropriate policy limits, terms, and conditions (including “tail” insurance if necessary or appropriate). The provisions of this
Section 4 are intended to be for the benefit of, and will be enforceable by, each indemnified party, his or her heirs, and his or her representatives and are in addition to, and not in substitution for, any other rights to
indemnification or contribution that any such Person may have by contract or otherwise. 
 Section 5. Effectiveness. 

(a) This Agreement shall become effective immediately prior to, and conditioned upon, the Closing. If the Closing does not occur, the Existing
Stockholders Agreement shall be deemed to be in effect without any further action by the parties thereto. 
 (b) Notwithstanding the
foregoing clause (a), the provisions in Section 23 shall be effective as of the date hereof. All obligations under Section 23 shall terminate upon the termination of the Contribution
Agreement. 
 Section 6. Duration of Agreement. 

This Agreement shall terminate automatically as to an individual Stockholder (a) upon the written agreement of such Stockholder and the
Corporation or (b) upon the later of (i) twelve (12) months from the Closing Date and (ii) when such Stockholder (including any Affiliate of such Stockholder) ceases to Beneficially Own at least 10% of the outstanding Shares;
provided, however, that Section 20 shall survive the termination of this Agreement. 
 Section 7.
Governing Law. 
 (a) This Agreement shall be governed by and construed and enforced in accordance with the laws of the State of
Delaware without regard to the principles of conflicts of law. 
 (b) The Parties hereby irrevocably submit to the exclusive jurisdiction of
the courts of the State of Delaware and the federal courts of the United States of America located in the State of Delaware, over any dispute between the Parties arising out of this Agreement, and the Parties irrevocably agree that all such claims
in respect of such dispute shall be heard and determined in such courts. The Parties hereby irrevocably waive, to the fullest extent permitted by law, any objection which they may now or hereafter have to the venue of any such dispute arising out of
this Agreement brought in such court or any defense of inconvenient forum for the maintenance of such dispute. The Parties agree that a judgment in any such dispute may be enforced in other jurisdictions by suit on the judgment or in any other
manner provided by law. 

  
 9 

 (c) Should any term or provision of this Agreement for any reason be declared invalid or
unenforceable, such decision shall not affect the validity or enforceability of any of the other terms or provisions of this Agreement, which other terms and provisions shall remain in full force and effect and the application of such invalid or
unenforceable term or provision to Persons or circumstances other than those as to which it is held invalid or unenforceable shall be valid and be enforced to the fullest extent permitted by law. If a final judgment of a court of competent
jurisdiction declares that any term or provision of this Agreement is invalid or unenforceable, the Parties agree that the court making such determination shall have the power to limit such term or provision, to delete specific words or phrases or
to replace such term or provision with a term or provision that is valid and enforceable and that comes closest to expressing the intention of the invalid or unenforceable term or provision, and that this Agreement shall be valid and enforceable as
so modified. 
 (d) EACH PARTY IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LEGAL
ACTION ARISING OUT OF OR RELATING TO THIS AGREEMENT. 
 Section 8. Stock Dividends, Etc. 

The provisions of this Agreement shall apply to any and all Shares and to any and all shares of capital stock of the Corporation or any
successor or assignee of the Corporation (whether by merger, consolidation, sale of assets, or otherwise) which may be issued in respect of, in exchange for or in substitution for the Shares, by reason of any stock dividend, split, reverse split,
combination, recapitalization, reclassification, merger, consolidation, or otherwise in such a manner and with such appropriate adjustments as to reflect the intent and meaning of the provisions hereof and so that the rights, privileges, duties, and
obligations hereunder shall continue with respect to the capital stock of the Corporation as so changed. 
 Section 9. No
Third-Party Benefit. 
 This Agreement (a) is for the sole benefit of the Parties hereto and (b) is not intended to benefit
any other Person. No Person that is not a Party to this Agreement may enforce any part of this Agreement or rely upon any data or information disclosed or developed pursuant to this Agreement. 

Section 10. Amendments. 

(a) No amendment, supplement, or waiver of this Agreement shall be binding unless executed in writing by the Party to be bound thereby. 

(b) If a provision or a defined term incorporated by reference into this Agreement is amended, supplemented, or modified in the agreement from
which such provision or defined term is incorporated, such amendment, supplement, or modification shall have no effect on such provision or defined term as used in this Agreement unless such amendment, supplement, or modification is approved as
provided in this Section 10. 
 Section 11. Assignment. 

(a) Except as expressly required by Section 3 in connection with a Transfer by a Stockholder to an Affiliate who
executes a Joinder Agreement or Section 11(b), no Party shall assign the rights and obligations contained in this Agreement without the prior written consent of each other Person then-party to this Agreement, and any such
action without the required consent shall be void ab initio. 

  
 10 

 (b) Notwithstanding Section 11(a), any Person who is Apache,
Blackstone or I Squared as of the time of determination shall be permitted to assign the rights (but only with all related obligations) of Apache, Blackstone or I Squared, as applicable, under Section 2 and
Section 21 (and any related section of this Agreement) to its Permitted Transferee that agrees in writing to be bound by this Agreement by execution of a Joinder Agreement (which such execution shall be deemed, for all
purposes, to be the execution of this Agreement) and the Corporation is provided with an executed copy of the Joinder Agreement and is notified of the change in Apache, Blackstone or I Squared, as applicable. For the avoidance of doubt, only one
Person shall be Apache, only one Person shall be Blackstone and only one Person shall be I Squared under this Agreement at any given time. 

(c) This Agreement shall bind and inure to the benefit of the Parties and any permitted successors or assigns to the original Parties to this
Agreement, but such assignment shall not relieve any Party of any obligations hereunder. 
 Section 12. Notices. 

Any notice, designation, demand, request, including a request for consent under this Agreement, and other communication required or permitted
to be given or made hereunder shall be in writing and shall be deemed to have been duly given or made if (a) delivered personally, (b) transmitted by first class registered or certified mail, postage prepaid, return receipt requested,
(c) delivered by prepaid overnight courier service or (d) delivered by confirmed facsimile transmission or electronic mail to a Party at the following addresses (or at such other addresses as shall be specified by a Party by similar
notice): 
 In the case of notice to the Corporation, to: 

Altus Midstream Company 
 2000
Post Oak Blvd., Suite 100 
 Houston, Texas 77056 

Attention: Ben C. Rodgers 
 With
a copy to (which copy shall not constitute notice): 
 Bracewell LLP 

711 Louisiana Street, Suite 2300 

Houston, Texas 77002 

Attention: Jason Jean 

  
 11 

 and to: 

Apache Midstream LLC 
 2000 Post
Oak Blvd., Suite 100 
 Houston, Texas 77056 

Attention: Legal Department 
 In
the case of notice to Apache, APA Corporation or Apache Midstream, to: 
 Apache Midstream LLC 

One Post Oak Central, 2000 Post Oak Blvd., Suite 100 

Houston, Texas 77056 

Attention: Ben C. Rodgers 
 With
copies to (which copies shall not constitute notice): 
 Apache Legal 

2000 Post Oak Blvd., Suite 100 

Houston, Texas 77056 

Attention: General Counsel 
 and

 Bracewell LLP 
 711
Louisiana Street, Suite 2300 
 Houston, Texas 77002 

Attention: Jason Jean 
 In the
case of notice to Blackstone, BX Aggregator or BX Permian, to: 
 Blackstone Management Partners L.L.C. 

345 Park Avenue 
 New York, NY
10154 
 Attention: David Foley 

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

Vinson & Elkins L.L.P. 

1001 Fannin Street 
 Houston,
Texas 77002 
 Attention: Keith Fullenweider; Douglas E. McWilliams 

  
 12 

 In the case of notice to I Squared or ISQ, to: 

Buzzard Midstream LLC 
 c/o I
Squared Capital Advisors (US) LLC 
 410 Park Avenue, Suite 830 

New York, NY 10022 
 With copies
to (which copies shall not constitute notice): 
 I Squared Capital Advisors (US) LLC 

410 Park Avenue, Suite 830 
 New
York, NY 10022 
 and 
 I
Squared Capital Advisors (US) LLC 
 410 Park Avenue, Suite 830 

New York, NY 10022 
 and 

Sidley Austin LLP 
 1000
Louisiana, Suite 5900 
 Houston, TX 77002 

Attention: Glenn L. Pinkerton; Atman Shukla 

In the case of notice to New Raptor, to: 

New BCP Raptor Holdco, LLC 

2700 Post Oak Blvd, Suite 300 

Houston, TX 77056 
 Attention:
Todd Carpenter 

  
 13 

 With copies to (which copies shall not constitute notice): 

Blackstone Management Partners L.L.C. 

345 Park Avenue 
 New York, NY
10154 
 Attention: David Foley 

and 
 Vinson & Elkins
L.L.P. 
 1001 Fannin Street 

Houston, Texas 77002 

Attention: Keith Fullenweider; Douglas E. McWilliams 

Notices shall be effective (i) if delivered personally or sent by courier service, upon actual receipt by the intended recipient,
(ii) if mailed, upon the earlier of five (5) days after deposit in the mail or the date of delivery as shown by the return receipt therefor, (iii) if sent by facsimile transmission, when confirmation of transmission is received or
(iv) if sent by electronic mail, when confirmation is received. Whenever any notice is required to be given by law or this Agreement, a written waiver thereof, signed by the Person entitled to notice, whether before or after the time stated
therein, shall be deemed equivalent to the giving of such notice. 
 Section 13. Waiver. 

(a) No waiver by any Party hereto of any of the provisions hereof shall be effective unless explicitly set forth in writing and signed by the
Party so waiving. No waiver by any Party shall operate or be construed as a waiver in respect of any failure, breach, or default not expressly identified by such written waiver, whether of a similar or different character, and whether occurring
before or after that waiver. Except as specifically set forth in this Agreement, no failure by a Party hereto to exercise, or delay in exercising, any right, remedy, power or privilege hereunder shall operate or be construed as a waiver thereof, nor
shall any single or partial exercise thereof preclude any other or further exercise thereof or the exercise of any other right, remedy, power or privilege. 

(b) Notwithstanding anything to the contrary herein, the Corporation shall not waive the Transfer restrictions set forth in
Section 3(a) unless such waiver has been approved by a majority of the disinterested directors on the Board, as determined by the Board. 

Section 14. Entire Agreement. 

This Agreement and the Contribution Agreement constitute the entire agreement among the Parties with respect to the subject matter hereof and
supersede all prior agreements and understandings, both written and oral, among the Parties with respect to the subject matter hereof. There are no restrictions, promises, warranties, covenants or undertakings between the Parties, other than those
expressly set forth or referred to herein or therein. Unless otherwise provided herein, any consent required by the Corporation may be withheld by the Corporation in its sole discretion. 

  
 14 

 Section 15. Inconsistent Arrangements; Specific Performance. 

(a) No Party shall enter into any agreements or arrangements of any kind with any Person with respect to any Shares on terms inconsistent with
the provisions of this Agreement (whether or not such agreements or arrangements are with Persons that are Parties to this Agreement), including agreements or arrangements with respect to the acquisition or disposition of any Shares in a manner
inconsistent with this Agreement. 
 (b) Each Party acknowledges that irreparable damage would occur in the event that any of the provisions
of this Agreement were not performed in accordance with its specific terms and that a remedy at law for any breach or attempted breach of this Agreement will be inadequate. It is accordingly agreed that the Parties shall be entitled to specific
performance and injunctive and other equitable relief in case of any such breach or attempted breach and to enforce specifically the terms and provisions hereof, and further agrees to waive (to the extent legally permissible) any legal conditions
required to be met for the obtaining of any such injunctive or other equitable relief (including securing or posting any bond in order to obtain equitable relief). Each Party further agrees that, in the event of any action for an injunction or other
equitable remedy in respect of such breach or enforcement of specific performance, it will not assert the defense that a remedy at law would be adequate. 

Section 16. Counterparts. 

This Agreement may be executed in counterparts, all of which together shall constitute an agreement binding on all Parties hereto,
notwithstanding that all such Parties are not signatories to the original or the same counterpart. Facsimile copies of signatures shall constitute original signatures for all purposes of this Agreement and any enforcement hereof. The failure of any
Stockholder to execute this Agreement shall not make it invalid as against any other Stockholder. 
 Section 17. Further
Assurances. 
 Each Party hereto shall do and perform or cause to be done and performed all such further acts and things and shall
execute and deliver all such other agreements, certificates, instruments, and other documents as any other Party hereto reasonably may request in order to carry out the provisions of this Agreement and the consummation of the transactions
contemplated hereby. 
 Section 18. Director and Officer Actions. 

No director or officer of the Corporation shall be personally liable to the Corporation or any Stockholder as a result of any acts or
omissions taken under this Agreement in good faith. 

  
 15 

 Section 19. No Recourse. 

This Agreement may only be enforced against, and any claims or cause of action that may be based upon, arise out of or relate to this
Agreement, or the negotiation, execution or performance of this Agreement may only be made against, the Persons that are expressly identified as Parties hereto and no past, present or future Affiliate, director, officer, employee, incorporator,
member, manager, partner, stockholder, agent, attorney or representative of any Party hereto shall have any liability for any obligations or liabilities of the Parties to this Agreement or for any claim based on, in respect of, or by reason of, the
transactions contemplated hereby. 
 Section 20. Waiver of Corporate Opportunities. 

(a) To the extent allowed by law, the doctrine of corporate opportunity, or any other analogous doctrine, shall not apply with respect to the
Corporation or any of its officers or directors, or any of their respective Affiliates, and the Corporation renounces any expectancy that any of the directors or officers of the Corporation will offer any such corporate opportunity of which he or
she may become aware to the Corporation, except that the doctrine of corporate opportunity shall apply with respect to any of the directors or officers of the Corporation only with respect to a corporate opportunity (i) that was offered to such
person solely in his or her capacity as a director or officer of the Corporation, (ii) that is one the Corporation is legally and contractually permitted to undertake and would otherwise be reasonable for the Corporation to pursue and
(iii) to the extent the director or officer is permitted to refer such opportunity to the Corporation without violating any legal obligation (such a corporate opportunity, a “Subject Opportunity”). 

(b) In furtherance of the foregoing, in recognition and anticipation that (i) certain directors, principals, officers, employees or other
representatives of The Blackstone Group L.P. and ISQ Global Infrastructure Fund II L.P. (the “BCP Sponsors”) and their respective Affiliates (including ISQ, BX Aggregator, BX Permian and New Raptor) may serve as directors,
officers or agents of the Corporation, (ii) the BCP Sponsors and their respective Affiliates (including ISQ, BX Aggregator, BX Permian and New Raptor) may now engage and may continue to engage in the same or similar activities or related lines
of business as those in which the Corporation, directly or indirectly, may engage or other business activities that overlap with or compete with those in which the Corporation, directly or indirectly, may engage and (iii) members of the Board
who are not employees of the Corporation and their Affiliates that may be designated, nominated or elected by the BCP Sponsors or their respective Affiliates (the
“Non-Employee Directors”) may now engage and may continue to engage in the same or similar activities or related lines of business as those in which the
Corporation, directly or indirectly, may engage or other business activities that overlap with or compete with those in which the Corporation, directly or indirectly, may engage, the provisions of
this Section 20 are set forth to regulate and define the conduct of certain affairs of the Corporation with respect to certain classes or categories of business opportunities as they may involve any of the BCP
Sponsors, the Non-Employee Directors or their respective Affiliates and the powers, rights, duties and liabilities of the Corporation and its directors, officers and stockholders in connection
therewith. 
 (c) None of (i) the BCP Sponsors or any of their respective Affiliates or
(ii) any Non-Employee Director (including any Non-Employee Director who serves as an officer of the Corporation in both his or her director and
officer capacities) or his or her Affiliates (the Persons identified in clauses (i) and (ii) above being referred to, individually, as an “Identified Person”) shall, to the fullest extent permitted by law,
have any duty to refrain from directly or indirectly (1) engaging in the same or similar business activities or lines of business in which the Corporation or any of its Affiliates now engages or proposes to engage or (2) otherwise
competing 

  
 16 

 
with the Corporation or any of its Affiliates, and, to the fullest extent permitted by law, no Identified Person shall be liable to the Corporation or its stockholders or to any Affiliate of the
Corporation for breach of any fiduciary duty solely by reason of the fact that such Identified Person engages in any such activities. To the fullest extent permitted by law, the Corporation hereby renounces any interest or expectancy in, or right to
be offered an opportunity to participate in, any business opportunity that may be a corporate opportunity for an Identified Person and the Corporation or any of its Affiliates, except as provided in Section 20(d).
Subject to Section 20(d), in the event that any Identified Person acquires knowledge of a potential transaction or other business opportunity that may be a corporate opportunity for itself, herself or himself and the
Corporation or any of its Affiliates, such Identified Person shall, to the fullest extent permitted by law, have no duty to communicate or offer such transaction or other business opportunity to the Corporation or any of its Affiliates and, to the
fullest extent permitted by law, shall not be liable to the Corporation or its stockholders or to any Affiliate of the Corporation for breach of any fiduciary duty as a stockholder, director or officer of the Corporation solely by reason of the fact
that such Identified Person pursues or acquires such corporate opportunity for itself, herself or himself, or offers or directs such corporate opportunity to another Person. 

(d) The Corporation does not renounce its interest in any Subject Opportunity offered to
any Non-Employee Director (including any Non-Employee Director who serves as an officer of this Corporation), and the provisions
of Section 20(c) and Section 20(e) shall not apply to any such Subject Opportunity. 

(e) In addition to and notwithstanding the foregoing provisions of this Section 20, a corporate opportunity
shall not be deemed to be a potential corporate opportunity for the Corporation if it is a business opportunity that (i) the Corporation is neither financially or legally able, nor contractually permitted to undertake, (ii) from its
nature, is not in the line of the Corporation’s business or is of no practical advantage to the Corporation or (iii) is one in which the Corporation has no interest or reasonable expectancy. 

Section 21. Dividends and Distributions. 

Subject to the Corporation’s governing documents and applicable provisions of law, regulation, legal duty (including fiduciary duty) or
requirement, or rule of any National Securities Exchange, for so long as Apache, I Squared or Blackstone is entitled to designate a director pursuant to Section 2(a), the Corporation shall not take any action to reduce,
delay or discontinue the Altus Dividend prior to December 31, 2023 without the prior written consent of each of Apache, I Squared and Blackstone, as applicable, permitting such action. For the avoidance of doubt, in the event that Apache, I
Squared or Blackstone is no longer entitled to designate a director pursuant to Section 2(a), such Stockholder’s prior written consent shall not be required under this Section 21. 

Section 22. Covered Related Party Transactions. 

Any transaction between the Corporation or its subsidiaries, on the one hand, and a Stockholder or Affiliate of a Stockholder, on the other
hand, that constitutes a Covered Related Party Transaction shall require the prior approval of 66% or more of the disinterested directors on the Board, as determined by the Board. 

  
 17 

 Section 23. Dividend Reinvestment Plan. 

The Parties shall negotiate and enter into definitive documentation reasonably promptly following the date of this Agreement related to a
dividend reinvestment plan with the terms described in Exhibit B hereto, to be implemented promptly following the Closing Date. 

Section 24. Financial Statements. The Corporation shall use commercially reasonable efforts to deliver or cause to be delivered to
each Stockholder (so long as such Stockholder and its Affiliates Beneficially Own 10% or more of the outstanding Shares) (together, the “Recipient Parties”), at such Stockholder’s request: 

(a) No later than 30 days after the end of each of the first three calendar quarters of each fiscal year, an unaudited consolidated balance
sheet, consolidated income statement, and consolidated statement of cash flows of the Corporation and its subsidiaries for such calendar quarter; 

(b) No later than 30 days after the end of each fiscal year, a draft consolidated balance sheet, draft consolidated income statement, and
draft consolidated statement of cash flows of the Corporation and its subsidiaries for such fiscal year; and 
 (c) No later than 55 days
after the end of each fiscal year, the Corporation Annual Financials (as defined in the LPA) for such fiscal year. 
 (d) Any Recipient
Party may deliver written notice (an “Opt-Out Notice”) to the Corporation requesting that such Person not receive from the Corporation any information provided pursuant to clauses
(a), (b) or (c) of this Section 24; provided, however, that such Person may later revoke any such Opt-Out Notice in writing. Following receipt of an Opt-Out Notice (unless subsequently revoked), the Corporation shall not deliver such information pursuant to this Section 24. 

Section 25. Disclosure of Information. The Recipient Parties acknowledge that they will receive information from or regarding the
Corporation and its subsidiaries in the nature of trade secrets or that otherwise is confidential information or proprietary information (as further defined below, “Confidential Information”), the release of
which would be damaging to the Corporation or Persons with which the Corporation conducts business. Each Recipient Party shall hold in strict confidence any Confidential Information that such recipient receives pursuant to this Agreement, and each
Recipient Party shall not disclose such Confidential Information to any Person (including any Affiliates) other than another Recipient Party or a director or officer of the Corporation, or otherwise use such information for any purpose other than to
evaluate, analyze, and keep apprised of the Corporation’s and its subsidiaries’ assets and their interest therein and for the internal use thereof by a Recipient Party or its Affiliates, except for disclosures (i) to
comply with any laws (including applicable stock exchange or quotation system requirements), provided, that a Recipient Party must notify the Corporation promptly of any disclosure of Confidential Information which is required by law, and any such
disclosure of Confidential Information shall be to the minimum extent required by law, (ii) to Affiliates, partners, members, stockholders, investors, directors, officers, employees, agents, attorneys, consultants, lenders, professional
advisers or representatives of the Recipient Party or its Affiliates (provided, that such Recipient Party shall be 

  
 18 

 
responsible for assuring such partners’, members’, stockholders’, investors’, directors’, officers’, employees’, agents’, attorneys’,
consultants’, lenders’, professional advisers’ and representatives’ compliance with the terms hereof, except to the extent any such Person who is not a partner, member, stockholder, director, officer or employee has agreed in
writing addressed to the Corporation to be bound by customary undertakings with respect to confidential and proprietary information similar to this Section 25), or to Persons to which that Recipient Party’s Shares
are proposed to be transferred, but only if the recipients of such information have agreed to be bound by customary confidentiality undertakings similar to this Section 25, (iii) of information that a Recipient Party
also has received from a source independent of the Corporation and that such Recipient Party reasonably believes such source obtained without breach of any obligation of confidentiality to the Corporation, (iv) of information obtained prior to
the formation of the Corporation, provided, that this clause (iv) shall not relieve any Recipient Party or any of its Affiliates from any obligations it may have to any other Recipient Party or any of its
Affiliates under any existing confidentiality agreement, (v) that have been or become independently developed by a Recipient Party or its Affiliates or on their behalf without using any of the Confidential Information, (vi) that are or
become generally available to the public (other than as a result of a prohibited disclosure by such Recipient Party or its representatives), (vii) in connection with any proposed transfer of all or part of a Recipient Party’s Shares or the
proposed sale of all or substantially all of a Recipient Party or its direct or indirect parent, to (A) advisers or representatives of the Recipient Party, (B) its direct or indirect parent or (C) Persons to which such interests may
be transferred, but only if the recipients of such information have agreed to be bound by customary undertakings with respect to confidential and proprietary information similar to this Section 25 or
(viii) to the extent the Corporation shall have consented to such disclosure in writing. The term “Confidential Information” shall include any information pertaining to the Corporation’s or any of its subsidiaries’ business
which is not available to the public, whether written, oral, electronic, visual form or in any other media, including, without limitation, such information that is proprietary, confidential or concerning the Corporation’s (or any of its
subsidiaries’) ownership and operation of their respective assets or related matters, including any actual or proposed operations or development project or strategies, other operations and business plans, actual or projected revenues and
expenses, finances, contracts and books and records. Notwithstanding the foregoing, to the extent applicable, the Recipient Parties and their Affiliates may make disclosures to their respective direct and indirect limited partners and members such
information (including Confidential Information) as is customarily provided to current or prospective limited partners in private equity funds sponsored or managed by Affiliates of Blackstone and ISQ. Each Recipient Party acknowledges that
Confidential Information furnished to it pursuant to this Agreement may include material nonpublic information concerning the Corporation and its related parties or their respective securities and hereby confirms that it is familiar with the
Exchange Act and the rules and regulations promulgated thereunder. 
 [Signature Page to Follow] 

  
 19 

 The Parties have signed this agreement as of the date first written above.

			
	THE CORPORATION:
	
	ALTUS MIDSTREAM COMPANY

 
			
		
	By:	 	/s/ Ben C. Rodgers

 
			
	Name:	 	Ben C. Rodgers

 
			
	Title:	 	Chief Financial Officer and Treasurer

 
			
	
	STOCKHOLDERS:
	
	APA CORPORATION
		
	By:	 	/s/ Stephen J. Riney
	Name:	 	Stephen J. Riney
	Title:	 	Executive Vice President and Chief Financial Officer
	
	APACHE MIDSTREAM LLC
		
	By:	 	/s/ Stephen J. Riney
	Name:	 	Stephen J. Riney
	Title:	 	Executive Vice President and Chief Financial Officer
	
	BCP RAPTOR AGGREGATOR, LP
		
	By:	 	/s/ David Foley
	Name:	 	David Foley
	Title:	 	Senior Managing Director
	
	BX PERMIAN PIPELINE AGGREGATOR LP
		
	By:	 	/s/ David Foley
	Name:	 	David Foley
	 Title:
	 	 Senior Managing Director

  
 SIGNATURE
PAGE TO AMENDED AND RESTATED 
 STOCKHOLDERS
AGREEMENT 

 
			
	
	BUZZARD MIDSTREAM LLC
		
	By:	 	/s/ Thomas Lefebvre
	Name:	 	Thomas Lefebvre
	Title:	 	Authorized Person
	
	NEW BCP RAPTOR HOLDCO, LLC
		
	By:	 	/s/ Jamie Welch
	Name:	 	Jamie Welch
	Title:	 	Chief Executive Officer, President and Chief Financial Officer
	
	And solely for purposes of Section 2(a)(iv) and Section 2(a)(v):
	
	BCP RAPTOR HOLDCO, LP
		
	By:	 	/s/ Jamie Welch
	Name:	 	Jamie Welch
	Title:	 	Chief Executive Officer, President and Chief Financial Officer

  
 SIGNATURE
PAGE TO AMENDED AND RESTATED 
 STOCKHOLDERS
AGREEMENT 

 Exhibit A 

FORM OF JOINDER AGREEMENT 

[DATE] 
 The undersigned
hereby absolutely, unconditionally and irrevocably agrees to be bound by the terms and provisions of [Section 3 of]1 that
certain Amended and Restated Stockholders Agreement, dated as of October [•], 2021, by and among Altus Midstream Company, a Delaware corporation, APA Corporation, a Delaware corporation, Apache Midstream LLC, a Delaware limited liability
company, Buzzard Midstream LLC, a Delaware limited liability company and controlled affiliate of ISQ Global Infrastructure Fund II L.P., BCP Raptor Aggregator, LP, a Delaware limited partnership and controlled affiliate of Blackstone Capital
Partners VII L.P. and Blackstone Energy Partners II L.P., BX Permian Pipeline Aggregator LP, a Delaware limited partnership and controlled affiliate of Blackstone Capital Partners VII L.P. and Blackstone Energy Partners II L.P., New BCP Raptor
Holdco, LLC, a Delaware limited liability company, and solely for purposes of Section 2(a)(iv) and Section 2(a)(v) thereof, BCP Raptor Holdco, LP, a Delaware limited partnership (the
“Stockholders Agreement”) [(and any related section of the Stockholders Agreement)], and to join in the Stockholders Agreement as a Party and a Stockholder (each as defined in the Stockholders Agreement)
[for purposes of Section 3 of the Stockholders Agreement (and any related section of the Stockholders Agreement)] with the same force and effect as if
the undersigned were originally a party thereto. 
 IN WITNESS WHEREOF, the undersigned has executed this Joinder Agreement as of
[DATE]. 
  

	
	 
	Name:
	
	Notice Information:
	
	 
	
	 
	
	 

  

	1 	 Italicized language to be included if the Joinder Agreement is not being executed in connection with an
assignment of the rights and obligations of Apache, Blackstone or I Squared pursuant to Section 11(b). 

  
 EXHIBIT A
TO AMENDED AND RESTATED 
 STOCKHOLDERS AGREEMENT

 Exhibit B 

DRIP TERM SHEET 
  

			
	Mandatory DRIP:	  	Apache Midstream, ISQ, BX Aggregator, BX Permian and New Raptor agree that, with respect to Common Units in Altus Midstream LP and shares of Class A Common Stock held by such Person immediately following Closing, at least
20% of all distributions or dividends received shall be reinvested in shares of Class A Common Stock. This mandatory dividend reinvestment program shall apply (i) between Closing and the date dividends are declared for the quarter ending
December 31, 2023 (the “End Date”) and (ii) to any shares of Class A Common Stock issued pursuant to the redemption or exchange of such Common Units until the End Date. The audit committee of the Board shall
have the authority to increase the percentage of the mandatory dividend reinvestment to up to 100%. The audit committee shall issue resolutions compliant with Rule 16b-3(d)(1) under the Exchange Act for each
participant.
		
	Optional Drip:	  	All holders of shares of Class A Common Stock shall be entitled to reinvest all or part of their dividends from shares of Class A Common Stock on substantially the same terms as the Mandatory DRIP.
		
	VWAP:	  	All shares of Class A Common Stock issued in connection with the Mandatory DRIP and Optional Drip shall be valued at a 3% discount to the volume weighted average price for the five trading days prior to the applicable record
date.
		
	Pro Rata:	  	The audit committee’s approval of any Mandatory DRIP reinvestment shall be pro rata such that each Person subject to the Mandatory DRIP reinvests the same percentage of each distribution/dividend for shares of Class A
Common Stock.
		
	No Prohibition on Transfers:	  	Subject to the terms of Section 3 of this Agreement, nothing in this Exhibit B shall restrict a Person from Transferring its Common Units or shares of Common Stock; provided that any Transfers to Affiliates shall remain
subject to the terms of the Mandatory DRIP.

 [Remainder of page intentionally blank.] 

  
 EXHIBIT B
TO AMENDED AND RESTATED 
 STOCKHOLDERS AGREEMENT

 Schedule 1 

The Corporation shall pay to the holders of Class A Common Stock a dividend in the amount of $1.50 per share per quarter ($6.00 per share per year)
during the period commencing on the Closing Date and ending on December 31, 2023. 

  
 SCHEDULE 1

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