Document:

Loan Facility & Revolving Credit Facility Commitment Letter Agreements

 Exhibit 10.2 
  

					
		 	Wachovia Bank, National Association	 	
		 	Wachovia Capital Markets, LLC	 	
		 	One Wachovia Center	 	
	

	 	 301 South College Street
 Charlotte, NC 28288-0737
	 	
		 		 	

 CONFIDENTIAL 
 June 1, 2007 
 Atlas Pipeline Partners, LP 
 c/o Atlas Pipeline Partners GP, LLC 
 712 Fifth Avenue, 10th Floor 
 New York, New York 10019

 Attention: Daniel C. Herz 
  

			
	Re:	 	Project Big Lake I Commitment Letter
		 	$1,150 Million Senior Secured Credit Facilities

 Ladies and Gentlemen: 
 You have advised Wachovia Bank, National Association (“Wachovia Bank”), and Wachovia Capital Markets, LLC (“Wachovia Securities” and, together with Wachovia Bank, the
“Wachovia Parties” or “we” or “us”) that Atlas Pipeline Partners, LP (“Atlas”, “Borrower” or “you”) intend to acquire (the
“Acquisition”) certain assets from Anadarko Petroleum Corporation, a Delaware corporation (the “Seller”) consisting of all of the gathering pipeline, processing plants and associated compression and related assets
currently known as the Chaney Dell and Midikiff/Benedum Systems (the “Acquired Business”) pursuant to two master formation agreements between Atlas and the Seller (collectively, the “Acquisition Agreement”). The
date on which the Acquisition is consummated is referred to as the “Closing Date”. 
 We understand that the total funds
needed to finance the Acquisition, to pay fees, commissions and expenses in connection with the Transactions (as defined below) and to finance ongoing working capital requirements of the Borrower (as defined in Annex A) and certain of its
subsidiaries following the Transactions will include: 
 (a) senior secured credit facilities of up to $ 1,150.0 million
to the Borrower consisting of (i) a senior secured term loan facility of up to $900.0 million (the “Term Loan Facility”), and (ii) a senior secured revolving credit facility of up to $250.0 million (the “Revolving
Credit Facility” and, together with the Term Loan Facility, the “Credit Facilities”), up to $60.0 million of which may be drawn on the Closing Date, each as described in the Summary of Proposed Terms and Conditions attached
hereto as Annex A (the “Term Sheet”); and 
 (b) issuance of common equity by Atlas (such issuance, the
“Equity Issuance”). 

 As used herein, the term “Transactions” means, collectively, the Acquisition, the borrowings under the
Credit Facilities, refinancing of certain existing Atlas debt, the Equity Issuance and the payments of fees, commissions and expenses in connection with each of the foregoing. 
 1. Commitments. 
 (a) You have
requested that Wachovia Bank commit to provide the Credit Facilities. Wachovia Bank is pleased to advise you of its commitment to provide to the Borrower 100% of the principal amount of the Credit Facilities (the “Commitments”), in
each case upon the terms and subject to the conditions set forth in this Commitment Letter, in the Term Sheets and the Conditions Annex attached as Annex B hereto (the “Conditions Annex”). We acknowledge and agree that our
commitment is not conditioned upon a successful syndication. 
 (b) It is agreed that Wachovia Securities acting alone or through or with
affiliates selected by it, will act as the sole lead bookrunner and sole lead arranger (in such capacity, the “Arranger”) for a syndicate of financial institutions and other entities (such financial institutions and other entities
committing to the Credit Facilities, including Wachovia Bank, the “Lenders”). It is also agreed that Wachovia Bank will act as the sole and exclusive administrative agent (in such capacity, the “Administrative
Agent”) for the Credit Facilities. 
 2. Conditions to Commitments. The Commitments of Wachovia Bank and the undertakings of
Wachovia Securities hereunder are subject to: 
 (a) your written acceptance, and compliance with the terms and conditions, of
a letter dated the date hereof from the Wachovia Parties to you (the “Fee Letter”) pursuant to which you agree to pay, or cause to be paid, to the Wachovia Parties certain fees and expenses and to fulfill certain other obligations
in connection with the Facilities to the extent that you have accepted this Commitment Letter with respect to such Credit Facilities; and 
 (b) the satisfaction of all other conditions described herein and in the Conditions Annex. 
 3.
Syndication. 
 (a) You agree to actively assist us in achieving a timely syndication of the Credit Facilities that is satisfactory to
us. To assist us in our syndication efforts, you agree, upon our request, to (i) provide, and cause your affiliates, advisors, and, to the extent possible using your reasonable best efforts, the Seller and the Acquired Business to provide, to
the Arranger and each of the Lenders all information reasonably requested to successfully complete the syndication, (ii) assist, and cause your affiliates, advisors and, to the extent possible using your reasonable best efforts, the Seller and
the Acquired Business to assist, the Arranger in the preparation of one or more confidential information memoranda and other marketing materials to be used in connection with the syndication, (iii) make available (including at one or more
meetings of prospective Lenders) your representatives and, to the extent possible using your reasonable best efforts, representatives of the Seller and the Acquired Business on reasonable prior notice and at reasonable times and places,
(iv) use your reasonable best efforts to ensure that the Credit Facilities have received a rating from Standard & Poor’s Ratings Services, a division of The McGraw-Hill Companies, Inc. (“S&P”) and Moody’s
Investors Service, Inc. (“Moody’s”) and (v) use your reasonable best efforts to assist our syndication efforts through your existing lending relationships. 
 (b) From the date hereof and through the completion of the syndication of the Credit Facilities, you shall take all necessary steps so that there are no
competing offers, placements or arrangements of any debt securities or bank financings by or on behalf of the Borrower or any of its affiliates. The agreement in the immediately preceeding sentence shall survive the termination of this Commitment
Letter if the Credit Facilities shall have been entered into but syndication is not completed. 
  

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 (c) The Arranger and/or one or more of its affiliates will exclusively manage all aspects of the
syndication of the Credit Facilities (in consultation with you), including decisions as to the selection and number of potential Lenders to be approached, when they will be approached, whose commitments will be accepted, when they will participate
and the final allocations of the commitments and any related fees among the Lenders, and the Arranger will exclusively perform all functions and exercise all authority as is customarily performed and exercised in such capacities. Any agent or
arranger or other titles or roles awarded to other Lenders are subject to the Arranger’s prior written approval. You agree that no Lender will receive compensation outside the terms contained herein and in the Fee Letter in order to obtain its
commitment to participate in the Credit Facilities and that the Arranger shall have sole discretion with respect to the allocation and distribution of fees among the Lenders. 
 4. Information. 
 (a) You hereby
represent and warrant that (i) all information (other than the Projections, as defined below) concerning the Borrower, the Acquired Business and their respective subsidiaries and the Transactions (the “Information”) that has
been or will be made available to the Wachovia Parties or the Lenders by you, the Seller, the Acquired Business or any of your or their respective representatives, subsidiaries or affiliates is, or will be when furnished, complete and correct in all
material respects and does not, or will not when furnished, contain any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements contained therein not misleading in light of the circumstances
under which such statements are made (it being understood that your representations regarding Information and Projections in each case, with respect to the Acquired Business, shall be limited to the best of your knowledge) and (ii) all
financial projections concerning the Borrower, the Acquired Business and their respective subsidiaries that have been or will be made available to the Wachovia Parties or the Lenders by you, the Seller, the Acquired Business or any of your or their
respective representatives, subsidiaries or affiliates (the “Projections”) have been or will be prepared in good faith based upon reasonable assumptions at the time they were made. You agree to supplement, or cause to be
supplemented, the Information and the Projections from time to time until the Closing Date and, if requested by the Arranger, for a period after the Closing Date, such period to end upon the completion of a successful syndication of the Credit
Facilities so that the conditions and representations and warranties contained in the preceding sentence remain correct in all material respects. In syndicating the Credit Facilities, we will be entitled to use and rely primarily on the Information
and the Projections without responsibility for independent check or verification thereof. 
 (b) You will assist us in preparing Information
Materials, including Confidential Information Memoranda, for distribution to prospective Lenders. If requested, you also will assist us in preparing an additional version of the Information Materials (the “Public-Side Version”) to
be used by prospective Lenders’ public-side employees and representatives (“Public-Siders”) who do not wish to receive material non-public information (within the meaning of United States federal securities laws) with respect
to the Atlas, the Acquired Business and any of their respective securities (“MNPI”) and who may be engaged in investment and other market related activities with respect to any such entity’s securities or loans. Before
distribution of any Information Materials, you agree to execute and deliver to us (i) a letter in which you authorize distribution of the Information Materials to a prospective Lender’s employees willing to receive MNPI
(“Private-Siders”) and (ii) a separate letter in which you authorize distribution of the Public-Side Version to Public-Siders and represent that no MNPI is contained therein. You also acknowledge that Public-Siders employed by
the Wachovia Parties or their affiliates, consisting of publishing debt analysts, may participate in any meetings or telephone conference calls held 

  

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pursuant to Section 3(a); provided that such analysts shall not publish any information obtained from such meetings or calls until the syndication of
the Credit Facilities has been completed upon the making of allocations by Wachovia Securities and Wachovia Securities freeing the Credit Facilities to trade 
 (c) You agree that the following documents may be distributed to both Private-Siders and Public-Siders, unless you advise the Arranger in writing (including by email) within a reasonable time prior to their intended
distribution that such materials should only be distributed to Private-Siders: (a) administrative materials prepared by the Arranger for prospective Lenders (such as a lender meeting invitation, lender allocation, if any, and funding and
closing memoranda), (b) notification of changes in the terms of the Credit Facilities and (c) other materials intended for prospective Lenders after the initial distribution of Information Materials. If you advise us that any of the
foregoing should be distributed only to Private-Siders, then Public-Siders will not receive such materials without further discussions with you. 
 (d) You hereby authorize the Arranger to distribute drafts of definitive documentation with respect to the Credit Facilities to Private-Siders and Public-Siders. 
 5. Indemnification. 
 (a) You hereby agree to indemnify and hold harmless the Wachovia Parties and
each of their respective affiliates, directors, officers, employees, partners, representatives and agents and each of their respective heirs, successors and assigns (each, an “Indemnified Party”) from and against any and all
actions, suits, losses, claims, damages, liabilities and expenses of any kind or nature, joint or several, to which such Indemnified Party may become subject, related to or arising out of (i) any element of the Transactions, including, without
limitation, the execution and delivery of this Commitment Letter, the Financing Documentation (as defined in Annex A) and the closing of the Transactions and (ii) the use or the contemplated use of the proceeds of the Credit Facilities, and to
reimburse any Indemnified Party for all out-of-pocket expenses (including reasonable attorneys’ fees, expenses and charges) on demand as they are incurred in connection with the investigation of, preparation for, or defense of any pending or
threatened claim or any action or proceeding arising therefrom; provided that no Indemnified Party shall have any right to indemnification for any of the foregoing to the extent resulting from its own gross negligence or willful misconduct as
determined by a final non-appealable judgment of a court of competent jurisdiction. This Commitment Letter is addressed solely to you, and none of the Wachovia Parties nor any other Indemnified Party shall be liable to you or your affiliates or any
other person for any indirect or consequential damages that may be alleged as a result of this Commitment Letter or any element of the Transactions or in respect of transmission of Informational Materials by Electronic Means. 
 (b) You shall not settle any such claim or action arising out of the Transactions without the prior written consent of each Indemnified Party affected
thereby, which consent will not be unreasonably withheld, unless such settlement provides for a full and unconditional release of all liabilities arising out of such claim or action against such Indemnified Party and does not include any statement
as to or an admission of fault, culpability or failure to act by or on behalf of any Indemnified Party. 
 (c) You agree that no Indemnified
Party shall have any liability to you or any person asserting claims by or on behalf of you in connection with or as a result of the Commitments or any matter referred to in this Commitment Letter except to the extent that any losses, claims,
damages, liabilities or expenses incurred by you results from the gross negligence or willful misconduct of the Wachovia Parties in performing the services that are the subject of this Commitment Letter. 
  

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 6. Confidentiality. This Commitment Letter and the Fee Letter, together with the contents hereof
and thereof, are confidential and, except for the disclosure hereof or thereof on a confidential basis to your accountants, attorneys and other professional advisors retained in connection with the Transactions or as otherwise required by law, may
not be disclosed by you in whole or in part to any person or entity without our prior written consent; provided that it is understood and agreed that you may disclose, after your acceptance of this Commitment Letter, and the Fee Letter,
(a) this Commitment Letter, but not the Fee Letter, on a confidential basis to the board of directors, officers and advisors of the Seller and the Acquired Business in connection with their consideration of the Transactions and (b) such
documents (excluding the Fee Letter) in any required filings with the Securities and Exchange Commission and other applicable regulatory authorities and stock exchanges. In addition, the Wachovia Parties shall be permitted to use information related
to the syndication and arrangement of the Credit Facilities in connection with obtaining a CUSIP number, marketing, press releases or other transactional announcements or updates provided to investor or trade publications, subject to confidentiality
obligations or disclosure restrictions reasonably requested by you. Furthermore, the Wachovia Parties hereby notify you that pursuant to the requirements of the USA Patriot Act, Title III of Pub. L. 107-56 (signed into law October 26, 2001)
(the “Patriot Act”), each of them is required to obtain, verify and record information that identifies you in accordance with the Patriot Act. Prior to the Closing Date, Wachovia Bank and Wachovia Securities shall have the right to
review and approve any public announcement or public filing made by you after the date hereof relating to the Credit Facilities or to any of the Wachovia Parties in connection therewith, before any such announcement or filing is made (such approval
not to be unreasonably withheld or delayed). 
 7. Other Services. 
 (a) Nothing contained herein shall limit or preclude the Wachovia Parties or any of their affiliates from carrying on any business with, providing banking
or other financial services to, or from participating in any capacity, including as an equity investor in, any party whatsoever, including, without limitation, any competitor, supplier or customer of you, the Seller, the Acquired Business or any of
your or their affiliates, or any other party that may have interests different than or adverse to such parties. 
 (b) You acknowledge that
the Arranger and its affiliates (the term “Arranger” as used in this paragraph being understood to include such affiliates) may be providing debt financing, equity capital or other services (including financial advisory services) to
other companies with which you, the Seller, the Acquired Business or your or their respective affiliates may have conflicting interests regarding the Transactions and otherwise and that the Arranger may act as it deems appropriate in acting in such
capacities. You and your affiliates further acknowledge and agree that in connection with all aspects of the Transactions and the transactions contemplated by this Commitment Letter, you and your affiliates, on the one hand, and the Arranger, on the
other hand, have an arm’s length business relationship that creates no fiduciary duty on the part of the Arranger and each expressly disclaims any fiduciary relationship. The Arranger will not use confidential information obtained from you, the
Seller or the Acquired Business in connection with the performance by the Arranger of services for other companies and will not furnish any such information to other companies. You also acknowledge that the Arranger has no obligation in connection
with the Transactions to use, or to furnish to you, the Seller, the Acquired Business or your or their respective subsidiaries, confidential information obtained from other companies or entities. 
 8. Expiration of Commitments. This Commitment Letter and the Commitments of Wachovia Bank and the undertakings of Wachovia Securities set forth
herein shall, in the event this Commitment Letter is accepted by you as provided in the last paragraph hereof, automatically terminate without further action or notice at 5:00 p.m. (Eastern Standard Time) on September 1, 2007 (the
“Expiration Date”), if the Closing Date shall not have occurred by such time. 
  

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 9. Survival and Joint and Several Liability of Acquired Business and Guarantors. The sections of
this Commitment Letter relating to Indemnification, Confidentiality and Other Services shall survive any termination or expiration of this Commitment Letter or the Commitments of Wachovia Bank or the undertakings of Wachovia Securities set forth
herein, and the Sections relating to Syndication and Information shall survive until completion of the syndication of the Credit Facilities. 
 10. Governing Law, Etc. This Commitment Letter, together with the Term Sheet, the Fee Letter and, if applicable, the Engagement Letter, embody the entire agreement and understanding among the Wachovia Parties and you with respect to
the specific matters set forth above and supersede all prior agreements and understandings relating to the subject matter hereof. No party has been authorized by any of the Wachovia Parties to make any oral or written statements inconsistent with
this Commitment Letter. This Commitment Letter and the Fee Letter shall not be assignable by you without the prior written consent of the Wachovia Parties, and any purported assignment without such consent shall be void. This Commitment Letter is
intended to be for the benefit of the parties hereto and is not intended to confer any benefits upon, or create any rights in favor of, any person other than the parties hereto, the Lenders and, with respect to the indemnification provided under the
heading “Indemnification,” each Indemnified Party. This Commitment Letter may be executed in separate counterparts and delivery of an executed signature page of this Commitment Letter by facsimile or electronic mail shall be effective as
delivery of manually executed counterpart hereof; provided that such facsimile transmission or electronic mail transmission shall be promptly followed by the original thereof. This Commitment Letter may only be amended or modified by an
agreement in writing signed by each of you and the Wachovia Parties that specifically provides such with reference to this Commitment Letter. This Commitment Letter shall be governed by, and construed in accordance with, the laws of the State of
New York without regard to principles of conflicts of law to the extent that the application of the laws of another jurisdiction will be required thereby. The parties hereby waive any right to trial by jury with respect to any claim or action
arising out of this Commitment Letter. The parties hereto hereby submit to the non-exclusive jurisdiction of the federal and New York State courts located in the City of New York (and appellate courts thereof) in connection with any dispute
related to this Commitment Letter or any of the matters contemplated hereby, and agree that service of any process, summons, notice or document by registered mail addressed to you or each of the Wachovia Parties shall be effective service of process
against you or each of the Wachovia Parties for any suit, action or proceeding relating to any such dispute. The parties hereto irrevocably and unconditionally waive any objection to the laying of such venue of any such suit, action or proceeding
brought in any such court and any claim that any such suit, action or proceeding has been brought in an inconvenient forum. A final judgment in any such suit, action or proceeding brought in any such court may be enforced in any other courts to
whose jurisdiction you or each of the Wachovia Parties are or may be subject by suit upon judgment. 
 [Signature Pages
Follow] 
  

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 If you are in agreement with the foregoing, please indicate acceptance of the terms hereof by signing the
enclosed counterpart of this Commitment Letter and returning it to the Arranger, together with executed counterparts of the Fee Letter by no later than 11:59 p.m. (Eastern Standard Time) on June 1, 2007. This Commitment Letter, the Commitments
of Wachovia Bank and the undertakings of Wachovia Securities set forth herein and the agreement of the Arranger to provide the services set forth herein, shall automatically terminate at such time without further action or notice unless signed
counterparts of this Commitment Letter and the Fee Letter shall have been delivered to the Arranger in accordance with the terms of the immediately preceding sentence. 
  

			
	Sincerely,
	
	WACHOVIA BANK, NATIONAL ASSOCIATION
		
	 By:
	 	  

	 Name:
	 	
	 Title:
	 	
	
	WACHOVIA CAPITAL MARKETS, LLC
		
	 By:
	 	  

	 Name:
	 	
	 Title:
	 	

  

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	Agreed to and accepted as of the date first above written:
	
	ATLAS PIPELINE PARTNERS, L.P.
		
	 By:
	 	 Atlas Pipeline Partners, GP, LLC
 its General
Partner

		
	 By:
	 	  

	 Name:
	 	
	 Title:
	 	

  

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 ANNEX A 
 $1,150,000,000 
 SENIOR SECURED CREDIT FACILITIES 
 SUMMARY OF PROPOSED TERMS AND CONDITIONS 
 Capitalized terms not otherwise defined herein have the same meanings as specified therefor in the Commitment Letter to which this Summary of Proposed Terms and Conditions is attached. 
  

			
	 Borrower:
	  	Atlas Pipeline Partners, LP (the “Borrower”)
		
	Sole Lead Arranger and Sole Bookrunner:	  	Wachovia Capital Markets, LLC will act as sole lead arranger and sole bookrunner (in such capacity, the “Arranger”).
		
	 Lenders:
	  	Wachovia Bank, National Association and a syndicate of financial institutions and other entities (each a “Lender”, and collectively, the “Lenders”) arranged by
the Arranger in consultation with the Borrower.
		
	Administrative Agent, Issuing Bank and Swingline Lender:	  	Wachovia Bank, National Association (in such capacity, the “Administrative Agent”, the “Issuing Bank” or the “Swingline Lender”, as the case
may be).
		
	 Credit Facilities:
	  	Senior secured credit facilities (the “Credit Facilities”) in an aggregate principal amount of up to $1,150 million, such Credit Facilities to consist of:
		
		  	 (a)    Revolving Credit Facility. A six-year revolving credit facility (with
subfacilities for letters of credit and swingline loans each in a maximum amount to be mutually determined and on customary terms and conditions with compensation to be agreed) in an aggregate principal amount of up to $250.0 million (the
“Revolving Credit Facility”); and
  
 (b)    Term Loan Facility. A seven-year term loan facility in an aggregate principal amount of up to $900.0 million (the “Term Loan Facility”).

		
	 Use of Proceeds:
	  	 The Term Loan Facility will be used on the Closing Date, together with the proceeds of the Equity Issuance, and, if applicable, a portion of the
Revolving Credit Facility, to finance (a) the consummation of the Acquisition; (b) the refinancing of the existing revolving credit facility of Atlas and (c) the payment of fees and expenses incurred in connection with the Acquisition, the Credit
Facilities and the Equity Issuance (collectively, the “Transactions”).
  
 The Revolving Credit Facility will be used to provide a portion of the financing for the Acquisition and ongoing working capital and for other general corporate purposes of the Borrower and its subsidiaries.

			
	 Availability:
	  	 The Revolving Credit Facility will be available on a revolving basis from and after the Closing Date until the final maturity date thereof;
provided that up to $60.0 million may be drawn on the Closing Date.
  
 The Term
Loan Facility will be available only in a single draw of the full amount of the Term Loan Facility on the Closing Date.

		
	 Documentation:
	  	The documentation for the Credit Facilities will include, among other items, a credit agreement (the “Credit Agreement”), guarantees and appropriate pledge, security,
mortgage and other collateral documents (collectively, the “Financing Documentation”), all consistent with this Term Sheet; provided that the Financing Documentation will not be in a form or upon terms that would impair the
availability of funding thereunder if the conditions to the Commitment Letter (and the annexes and schedules thereto) are met.
		
	 Guarantors:
	  	The obligations of the Borrower under the Credit Facilities and under any hedging agreements entered into between any Loan Party (as defined below) and any counterparty that is a Lender (or
any affiliate thereof) at the time such hedging agreement is executed will be unconditionally guaranteed, on a joint and several basis, by each guarantor under the existing revolving credit facility of Borrower and each existing or subsequently
acquired or organized direct and indirect subsidiary thereof, other than the Borrower and any joint venture entities formed by Atlas, any affiliate of Atlas and the Seller in connection with the Acquisition (any such joint ventures, the
“Anadarko JV”) unless any such Anadarko JV guarantees any other indebtedness of the Borrower or its subsidiaries (each a “Guarantor”; and such guarantee being referred to herein as a
“Guarantee”); provided that Guarantees by foreign subsidiaries will be required only to the extent such Guarantees do not cause the incurrence of material tax costs. The Borrower and the Guarantors are herein referred to as
the “Loan Parties,” and individually, as a “Loan Party.”
		
	 Security:
	  	There will be granted to the Administrative Agent for the benefit of the Lenders and any counterparty to any hedging agreement that is a Lender (or any affiliate thereof) at the time such
hedging agreement is executed valid and perfected first priority (subject to certain customary exceptions to be set forth in the Financing Documentation and to be satisfactory to the Administrative Agent) liens and security interests in all of the
following:
		
		  	 (a)    All present and future capital stock or other membership, equity, ownership or profit interests of or in
(collectively, “Equity Interests”) each of the Loan Parties and 66% of the voting stock (and 100% of the non-voting stock) of all present and future first-tier foreign subsidiaries of any Loan Party (to the extent, and for so long
as, the pledge of any greater percentage would have material adverse tax consequences for the Borrower); and

  

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		  	 (b)    substantially all of the tangible and intangible properties and assets (including, without limitation, all
equipment, inventory, accounts, deposit accounts, licenses, contract and other intangible rights, investment property, fixtures, cash, owned real property interests, leased real property interests and intellectual property and all proceeds of the
foregoing) of the Loan Parties.

		
		  	All of the foregoing are collectively referred to as the “Collateral”. All such security interests will be created pursuant to and will comply with Financing Documentation
reasonably satisfactory to the Administrative Agent. On the Closing Date, such security interests will have become perfected (or arrangements for the perfection thereof reasonably satisfactory to the Administrative Agent will have been made).
Notwithstanding the foregoing, assets will be excluded from the Collateral in circumstances where the Administrative Agent and the Borrower agree the cost of obtaining a security interest in such assets are excessive in relation to the value
afforded thereby, or if the granting of a security interest in such asset would be prohibited by contract or applicable law.
		
	 Final Maturity:
	  	 The final maturity of the Revolving Credit Facility will occur on the sixth anniversary of the Closing Date (the “Revolving Credit Maturity
Date”) and the commitments with respect to the Revolving Credit Facility will automatically terminate on such date.
  
 The final maturity of the Term Loan Facility will occur on the seventh anniversary of the Closing Date (the “Term Loan Maturity
Date”).

		
	 Amortization:
	  	 The Revolving Credit Facility will be payable in full on the Revolving Credit Maturity Date.
  
 The Term Loan Facility will be payable in full on the Term Loan Maturity Date.

		
	 Interest Rates and Fees:
	  	Interest rates and fees in connection with the Credit Facilities will be as specified in the Fee Letter and on Schedule I attached hereto.
		
	Mandatory Prepayments and Commitment Reductions:	  	Subject to the next paragraph, the Credit Facilities will be required to be prepaid with:
		
		  	 (a)    100% of the net cash proceeds of the issuance or incurrence of debt by the Borrower or any of its subsidiaries,
subject to baskets and other exceptions (including an amount of permitted debt) to be mutually agreed upon;

		
		  	 (b)    50% of the net cash proceeds from any issuance of equity securities or from any capital contribution (other than
the Equity Issuance), by the Borrower or any of its subsidiaries, subject to exceptions and leverage based step-downs to be mutually agreed upon; and

  

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		  	 (c)    100% of the net cash proceeds of all asset sales and other asset dispositions (including insurance and
condemnation recoveries) by the Borrower or any of their respective subsidiaries, subject to baskets, reinvestment provisions and other limited exceptions to be mutually agreed upon.

		
		  	Any application of a mandatory prepayment will be applied first, to the Term Loan Facility, and second, to the outstanding principal balance of the Revolving
Credit Facility equal to the aggregate amount of such required prepayments.
		
	Optional Prepayments and Commitment Reductions:	  	Advances under the First Lien Credit Facilities may be prepaid and unused commitments under the Revolving Credit Facility may be reduced at any time, in whole or in part, at the option of the
Borrower, upon notice and in minimum principal amounts and in multiples to be agreed upon, without premium or penalty (except LIBOR breakage costs). Any optional prepayment of the First Lien Term Loan Facility will be applied as directed by the
Borrower.
		
	Conditions to Initial Extensions of Credit:	  	The making of the initial extensions of credit under the Credit Facilities will be subject to satisfaction of the conditions precedent set forth in Section 2 of the Commitment Letter and in
the Conditions Annex.
		
	 Conditions to All Extensions
 of
Credit:
	  	Each extension of credit under the Credit Facilities will be subject to the (a) absence of any default and (b) continued accuracy of representations and warranties in all material
respects (except to the extent that any such representation and warranty is qualified by materiality), it being understood that, except for those set forth in the Commitment Letter and the Conditions Annex, the Financing Documentation shall contain
no material condition precedent to, or limitation on the amount of funds available at the time of, the initial borrowing.
		
	Representations and Warranties:	  	Usual and customary for facilities of this type and such others as may be reasonably requested by the Arranger, including, without limitation, the following (which will be applicable to the
Borrower and its subsidiaries and be subject to materiality thresholds and exceptions to be mutually agreed): corporate status, financial statements; capital structure; corporate power and authority; no default; no conflict with laws or material
agreements; enforceability; absence of material litigation, environmental regulations and liabilities; ERISA; necessary consents and approvals; compliance with all applicable laws and regulations including Regulations U and X, Investment Company
Act, the Patriot Act, environmental laws and as to not being a sanctioned person; payment of taxes and other obligations; ownership of properties; intellectual property; liens; insurance; solvency; absence of any material adverse change; senior debt
status; investments, location of collateral; brokers’ fees; labor matters; material contracts; no burdensome restrictions; security documents; and accuracy of disclosure.

  

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	 Affirmative Covenants:
	  	Usual and customary for facilities of this type and such others as may be reasonably requested by the Arranger, including, without limitation, the following (which will be applicable to the
Borrower and its subsidiaries and be subject to materiality thresholds and exceptions to be mutually agreed): use of proceeds; payment of taxes and other obligations; continuation of business and maintenance of existence and rights and privileges;
maintenance of all material contracts, necessary consents, approvals, licenses and permits; compliance with laws and regulations (including environmental laws, ERISA and the Patriot Act); maintenance of property and insurance (including hazard and
business interruption insurance); maintenance of books and records; right of the Lenders to inspect property and books and records; notices of defaults, litigation and other material events; financial and collateral reporting (including annual
audited and quarterly unaudited financial statements and annual updated budgets); additional Guarantors and Collateral and further assurances (including, without limitation, with respect to security interests in after-acquired
property).
		
	 Negative Covenants:
	  	Usual and customary for facilities of this type and such others as may be reasonably requested by the Arranger, including, without limitation, the following (which will be applicable to the
Borrower and its subsidiaries and be subject to materiality thresholds and exceptions to be mutually agreed): limitation on debt (with a carve-out for incurrence of unsecured or subordinated debt); limitation on liens; limitation on further negative
pledges; limitation on investments; limitation on dividends and distributions (other than the payment of dividends or distributions out of operating surplus of Atlas pursuant to the Second Amended and Restated Agreement of Limited Partnership of
Atlas and joint venture distribution of the Anadarko JV in compliance with the Acquisition Agreement), issuances of equity interests, redemptions and repurchases of equity interests; limitation on mergers, acquisitions and asset sales; limitation on
contingent obligations and guarantees; limitation on sale-leaseback transactions; limitation on prepayments, redemptions and purchases of subordinated and certain other debt; limitation on transactions with affiliates; limitation on dividend and
other payment restrictions affecting subsidiaries; limitation on changes in line of business, fiscal year and accounting practices; limitation on speculative transactions; limitation on amendment of organic documents and material contracts and
limitation on additional designated senior debt. In addition, the Anadarko JV shall be subject to further restrictions on, among other things, the incurrence of certain indebtedness or liens.

  

 -5- 

			
	 Financial Covenants:
	  	 Usual and customary for facilities of this type and such others as may be reasonably requested by the Arranger, including, without limitation, the
following:
  
 (a)    Maximum
Total Leverage Ratio; and
  
 (b)    Minimum Interest Coverage Ratio.
  
 The financial
covenants will apply to Borrower and its subsidiaries on a consolidated basis, with definitions, step-ups or step-downs (as applicable) to be mutually agreed upon.

		
	Required Interest Rate Hedging:	  	The Borrower will discuss with the Arranger interest rate protection from one or more Lenders or others acceptable to the Arranger in respect an amount to be agreed of the Term Loan Facility for
a period and on terms to be agreed in the Financing Documentation.
		
	 Events of Default:
	  	Usual and customary for facilities of this type and such others as may be reasonably requested by the Arranger, including, without limitation, the following (with materiality thresholds,
exceptions and grace periods to be mutually agreed): non-payment of obligations; breach of representation or warranty; non-performance of covenants and obligations; default on other material debt (including secured hedging agreements); change of
control (to be defined as mutually agreed); bankruptcy or insolvency; impairment of security; ERISA; material judgments; actual or asserted invalidity or unenforceability of any Financing Documentation or liens securing obligations under the
Financing Documentation; material uninsured loss; termination or default under material contracts or licenses; and failure to constitute senior debt and designated senior debt.
		
	Yield Protection and Increased Costs:	  	Customary for facilities similar to the Credit Facilities.
		
	 Assignments and Participations:
	  	Each Lender will, subject in certain circumstances to the approval of the Administrative Agent and the Borrower (such consents not to be unreasonably withheld or delayed), be permitted to make
assignments in acceptable minimum amounts; provided that no consent by the Borrower shall be required for assignments (a) during the period commencing on the Closing Date and ending on the date that is 90 days following the Closing Date, (b)
to a Lender, an affiliate of a Lender or an approved fund, or (c) after the occurrence and during the continuance of an event of default. Participations will be permitted without the consent of the Borrower or the Administrative
Agent.
		
	 Required Lenders:
	  	On any date of determination, those Lenders who collectively hold more than 50% of the outstanding loans and unfunded commitments under the Credit Facilities, or if the Credit Facilities have
been terminated, those Lenders who collectively hold more than 50% of the aggregate outstandings (the “Required Lenders”).

  

 -6- 

			
	 Amendments and Waivers:
	  	Amendments and waivers of the provisions of the Financing Documentation will require the approval of the Required Lenders, except that the consent of all the Lenders affected thereby will be
required with respect to (a) increases in the commitment of such Lenders, (b) reductions of principal, interest or fees, (c) extensions of scheduled maturities or times for payment, (d) changes in the voting percentages and (e) releases of all or
substantially all of the value of the Collateral or Guarantees (other than in connection with transactions permitted pursuant to the Financing Documentation).
		
	 Indemnification:
	  	The Loan Parties will indemnify the Arranger, the Administrative Agent, each of the Lenders and their respective affiliates, partners, directors, officers, agents and advisors and hold them
harmless from and against all liabilities, damages, claims, costs, expenses (including reasonable fees, disbursements, settlement costs and other charges of counsel) relating to the Transactions or any transactions related thereto and the
Borrower’s use of the loan proceeds or the commitments; provided, that such indemnity will not, as to any indemnitee, be available to the extent that such losses, claims, damages, liabilities or related expenses are determined by a
court of competent jurisdiction by final and nonappealable judgment to have resulted from the gross negligence or willful misconduct of such indemnitee.
		
	 Expenses:
	  	The Loan Parties will reimburse the Arranger and the Administrative Agent (and all Lenders in the case of enforcement costs and documentary taxes) for all reasonable out-of-pocket costs and
expenses in connection with the syndication, negotiation, execution, delivery and administration of the Financing Documentation and any amendment or waiver with respect thereto.
		
	Governing Law and Forum:	  	New York.
		
	Waiver of Jury Trial and Punitive and Consequential Damages:	  	All parties to the Financing Documentation waive the right to trial by jury and the right to claim punitive or consequential damages..
		
	 Counsel for the Arranger:
	  	Cahill Gordon & Reindel LLP.

  

 -7- 

 SCHEDULE I TO ANNEX A 
 INTEREST AND FEES 
  

			
	 Interest:
	  	At the Borrower’s option, loans will bear interest based on the Base Rate or LIBOR, as described below:
		
		  	A. Base Rate Option
		
		  	Interest will be at the Base Rate plus the applicable Interest Margin (as described below). The “Base Rate” is defined as the higher of (a) the Federal Funds Rate, as published
by the Federal Reserve Bank of New York plus 1/2 of 1% and (b) the prime commercial lending rate of the Administrative Agent, as established from time to time at is principal U.S. office (which such rate is an index or base rate and will not
necessarily be its lowest or best rate charged to its customers or other banks). Interest shall be payable quarterly in arrears and (i) with respect to Base Rate Loans based on the Federal Funds Rate, shall be calculated on the basis of the actual
number of days elapsed in a year of 360 days and (ii) with respect to Base Rate loans based on the prime commercial lending rate of the Administrative Agent, shall be calculated on the basis of the actual number of days elapsed in a year of 365/366
days.
		
		  	Base Rate borrowings will be made on same day notice and will be in minimum amounts to be agreed upon.
		
		  	B. LIBOR Option
		
		  	Interest will be determined for periods (“Interest Periods”) of one, two, three or six months (or nine or twelve months if agreed to by all relevant Lenders) as selected by the
Borrower and will be at an annual rate equal to the London Interbank Offered Rate (“LIBOR”) for the corresponding deposits of U.S. dollars plus the applicable Interest Margin. LIBOR will be determined by the Administrative
Agent at the start of each Interest Period and will be fixed through such period. Interest will be paid at the end of each Interest Period or, in the case of Interest Periods longer than three months, quarterly, and will be calculated on the basis
of the actual number of days elapsed in a year of 360 days. LIBOR will be adjusted for maximum statutory reserve requirements (if any).
		
		  	LIBOR borrowings will be made on three business days’ prior notice and will be in minimum amounts to be agreed upon.
		
		  	Swingline loans will bear interest at the Base Rate plus the application Interest Margin.
		
	 Default Interest:
	  	(a) Automatically upon the occurrence and during the continuance of any payment event of default or upon a bankruptcy event of default of the Borrower or any other Loan Party, or (b) at the
election of the Required

			
	 	  	Lenders, upon the occurrence and during the continuance of any other event of default, all amounts due and
payable with respect to any loan hereunder shall bear interest at a rate per
annum of two percent (2%) in
excess of the rate then applicable to such loan (including the applicable Interest Margin) and shall be payable
on demand of the Administrative Agent.
		
	 Interest Margins:
	  	The initial applicable Interest Margin will be:
		
		  	 (a)    with respect to the Revolving Credit Facility, (i) 2.50% in the case of LIBOR loans and (ii) 1.50% in the
case of Base Rate Loans, and after delivery of financial statements for the first full fiscal quarter ending after the Closing Date will be determined in accordance with the applicable pricing grid to be agreed; and

		
		  	 (b)    with respect to the Term Loan Facility, (i) 2.50% in the case of LIBOR loans and (ii) 1.50% in the case of
Base Rate Loans; provided, that if Borrower shall have the option to issue the Term Loan with up to 1.25% of original issue discount (in 25 basis point increments) and if Borrower exercises such option, the Interest Margin with respect to the
Term Loan Facility in the first year after the Closing Date will be reduced by 0.25% for each increment of 0.25% of original issue discount;

		
		  	 provided that if after the delivery of the financial statements for the period ending twelve months after the Closing Date the consolidated
Maximum Total Leverage Ratio of Borrower is above a level to be agreed, the Interest Margin with respect to the Term Loan Facility and the Revolving Credit Facility will be increased in accordance with the applicable pricing grid to be
agreed.
  
 Notwithstanding the foregoing, in the event the Credit Facilities have not
received a rating from both S&P and Moody’s on or prior to the 90th day following the Closing Date, the
Interest Margin in respect of the Revolving Credit Facility and the Term Loan Facility will increase by 25 basis points over the then otherwise applicable Interest Margin and will increase by an additional 25 basis points if the Credit Facilities
have not received such ratings on or prior to the 180th day following the Closing Date.
  
 Upon receipt of a rating for the Credit Facilities from each of S&P and Moody’s, the
Interest Margin with respect to the first year after the Closing Date will be equal to the lower of the Interest Margin as determined above and the Ratings Based Spread. Following the one year anniversary of the Closing Date if the Credit
Facilities have received ratings from each of S&P and Moody’s, the Interest Margin will be equal to the Ratings Based Spread. The “Ratings Based Spread” shall mean (i) if the Borrower’s corporate family rating is at
least B1 (stable outlook) from Moody’s and corporate credit rating is at least B+ (stable outlook) from S&P, 2.25% in the case of LIBOR loans and 1.25% in the case of Base Rate Loans; and (ii) if otherwise, 2.50% in the case of LIBOR
loans and 1.50% in the case of Base Rate Loans.

  

 -2- 

			
	 Commitment Fee:
	  	A commitment fee (the “Commitment Fee”) will accrue on the unused amounts of the commitments under the Revolving Credit Facility. Swing Line Loans will, for purposes of the
commitment fee calculations only, not be deemed to be a utilization of the Revolving Credit Facility. Such Commitment Fee will initially be 0.50% per annum and after delivery of financial statements for the first full fiscal quarter ending after the
Closing Date will be determined in accordance with the applicable pricing grid to be agreed. All accrued Commitment Fees will be payable quarterly in arrears (calculated on a 360-day basis) for the account of the First Lien Lenders under the
Revolving Credit Facility and will accrue from the Closing Date.
		
	 Letter of Credit Fees:
	  	The Borrower will pay (a) the Issuing Bank, a fronting fee equal to 12.5 basis points per annum and (b) the Lenders under the Revolving Credit Facility, stand-by letter of credit
participation fees equal to the Interest Margin for LIBOR Loans under the Revolving Credit Facility, in each case, on the undrawn amount of all outstanding letters of credit. In addition, the Borrower will pay the Issuing Bank customary issuance
fees.
		
	 Other Fees:
	  	The Arranger and the Administrative Agent will receive such other fees as will have been agreed in a fee letter between them and the Borrower.

  

 -3- 

 ANNEX B 
 $1,150,000,000 SENIOR SECURED CREDIT FACILITIES 
 CONDITIONS ANNEX 
 Capitalized terms not otherwise defined herein have the same meanings as specified therefor in the Commitment Letter (including, where indicated, the
Annexes thereto) to which this Annex is attached 
  

			
	Conditions to Closing and Initial Funding of the Facilities:	  	(a) The Arranger will have received (i) execution copies of documentation for the Acquisition and other aspects of the Transactions, including the Acquisition Agreement and all exhibits and
schedules thereto and (ii) execution copies of the Anadarko JV documents and any other any joint venture arrangements and related agreements entered into in connection with the Transactions, in each case, consistent with the drafts previously
provided to the Arranger. The Acquisition will have been consummated in accordance with the terms and conditions of the Acquisition Agreement without any waiver, modification or consent thereunder or under the Anadarko JV documents that is
materially adverse to the Lenders (as reasonably determined by the Arranger) unless approved by the Arranger.
		
		  	(b) The Acquisition, the borrowings under the Credit Facilities and the other elements of the Transactions shall not conflict with, result in a breach or violation of, or constitute a default
under, any indenture, mortgage, deed of trust or loan agreement or with the operating agreement, certificate of incorporation or by-laws of the Borrower or any other Guarantor, or any statute, rule or regulation or any judgment, order or decree of
any governmental authority or court or any arbitrator applicable to the Borrower or any other Guarantor.
		
		  	(c) Financing Documentation (as defined in Annex A) reflecting and consistent with the terms and conditions set forth herein and in the Term Sheet will have been executed and delivered, and
the Administrative Agent will have received such customary legal opinions, documents and other instruments as are customary for transactions of this type including, without limitation, a certificate of the chief financial officer of the Borrower as
to the solvency of each Loan Party after giving effect to each element of the Transactions and all documents, instruments, reports and policies required to insure, perfect or evidence the Administrative Agent’s security interest in the
collateral securing the Credit Facilities will have been executed and/or delivered and, to the extent applicable, be in proper form for filing (including UCC and intellectual property searches, insurance policies, surveys, title reports and
policies, appraisals and environmental reports), subject to customary exceptions for post-closing completion of steps not practicable to be completed sooner.

			
		 	(d) The Arranger will have received (i) copies of carve-out consolidating unaudited financial and volumetric information for the Acquired Business and its subsidiaries for the three fiscal
years most recently ended and interim carve-out unaudited financial and volumetric information for each quarterly period ended since the last fiscal year end financial statements ending at least 45 days prior to Closing Date with comparison to prior
period in form consistent with the information included in The Chaney Dell & Midkiff/Benedum Systems Confidential Information Memorandum dated February 2007, (ii) pro forma consolidating financial statements for the Borrower and its
subsidiaries for the four-quarter period most recently ending at least 45 days prior to the Closing Date giving pro forma effect to the Acquisition and a pro forma balance sheet of the Borrower and its subsidiaries as of the Closing
Date; (iii) unless previously provided, projections prepared by management of balance sheets, income statements and cashflow statements of the Borrower and its subsidiaries, which will be quarterly for the first fiscal year after the Closing Date
and annually thereafter for the term of the Credit Facilities (and which will not be inconsistent with information provided to the Arranger prior to the delivery of the Commitment Letter) and (iv) audited financial statements of the Borrower for
fiscal year ended December 31, 2006 and unaudited financial statements of the Borrower for the most recently completed three-month period required to be filed with the SEC by the Exchange Act.
		
		 	(e) The Arranger shall have received a customary CIM and the reasonable assistance and participation of management for purposes of hosting a meeting with prospective lenders under the
Credit Facility, in each case, no later than June 27, 2007.
		
		 	(f) Pro forma for the Acquisition, the Borrower shall have hedged 80% (averaged over three years) of its natural gas, natural gas liquids and condensates volume for no less than three
years at a price and in a manner reasonably acceptable to the Arranger.

  

 -2-Common Unit Purchase Agreement - Atlas Pipeline Holdings, L.P.

 Exhibit 10.2 
 Execution Version 
 COMMON UNIT PURCHASE AGREEMENT 
 BY AND AMONG 
 ATLAS PIPELINE
HOLDINGS, L.P. 
 AND 
 THE PURCHASERS NAMED HEREIN 

 TABLE OF CONTENTS 
  

					
	 	 	 	  	Page
	 ARTICLE I
	 	DEFINITIONS	  	1
			
	 Section 1.01
	 	    Definitions	  	1
			
	 Section 1.02
	 	    Accounting Procedures and Interpretation	  	5
			
	 ARTICLE II
	 	SALE AND PURCHASE	  	6
			
	 Section 2.01
	 	    Sale and Purchase	  	6
			
	 Section 2.02
	 	    Independent Nature of Purchasers’ Obligations	  	6
			
	 Section 2.03
	 	    Purchased Units	  	6
			
	 Section 2.04
	 	    Funding into Escrow	  	6
			
	 Section 2.05
	 	    Closing	  	6
			
	 ARTICLE III
	 	REPRESENTATIONS AND WARRANTIES OF ATLAS PIPELINE HOLDINGS	  	7
			
	 Section 3.01
	 	    Existence	  	7
			
	 Section 3.02
	 	    Capitalization and Valid Issuance of Purchased Units	  	7
			
	 Section 3.03
	 	    Atlas Pipeline Holdings SEC Documents	  	8
			
	 Section 3.04
	 	    No Material Adverse Change	  	9
			
	 Section 3.05
	 	    Litigation	  	9
			
	 Section 3.06
	 	    No Breach	  	10
			
	 Section 3.07
	 	    Authority	  	10
			
	 Section 3.08
	 	    Compliance with Laws	  	10
			
	 Section 3.09
	 	    Approvals	  	11
			
	 Section 3.10
	 	    MLP Status	  	11
			
	 Section 3.11
	 	    Investment Company Status	  	11
			
	 Section 3.12
	 	    Offering	  	11
			
	 Section 3.13
	 	    Certain Fees	  	11
			
	 Section 3.14
	 	    Internal Accounting Controls	  	12
			
	 Section 3.15
	 	    Insurance	  	12
			
	 Section 3.16
	 	    Registration Rights	  	12
			
	 Section 3.17
	 	    No Side Agreements	  	12
			
	 Section 3.18
	 	    Acknowledgment Regarding Purchase of Purchased Units	  	12
			
	 ARTICLE IV
	 	REPRESENTATIONS AND WARRANTIES OF EACH PURCHASER	  	13

  

 i 

 TABLE OF CONTENTS 
 (continued) 
  

					
	 	 	 	  	Page
	 Section 4.01
	 	    Valid Existence	  	13
			
	 Section 4.02
	 	    No Breach	  	13
			
	 Section 4.03
	 	    Investment	  	13
			
	 Section 4.04
	 	    Nature of Purchaser	  	14
			
	 Section 4.05
	 	    Receipt of Information; Authorization	  	14
			
	 Section 4.06
	 	    Restricted Securities	  	14
			
	 Section 4.07
	 	    Certain Fees	  	14
			
	 Section 4.08
	 	    Legend	  	15
			
	 Section 4.09
	 	    Short Selling	  	15
			
	 Section 4.10
	 	    No Side Agreements	  	15
			
	 Section 4.11
	 	    Acknowledgment Regarding Distributions on Purchased Units	  	15
			
	 ARTICLE V
	 	COVENANTS	  	16
			
	 Section 5.01
	 	    Anti-dilution Protection	  	16
			
	 Section 5.02
	 	    Purchaser Lock-Up	  	16
			
	 Section 5.03
	 	    Short Selling Acknowledgement and Agreement	  	17
			
	 Section 5.04
	 	    Taking of Necessary Action	  	17
			
	 Section 5.05
	 	    Non-Disclosure; Interim Public Filings	  	17
			
	 Section 5.06
	 	    Use of Proceeds	  	18
			
	 Section 5.07
	 	    Tax Information	  	18
			
	 Section 5.08
	 	    No Other Listed Class of Securities	  	18
			
	 Section 5.09
	 	    NYSE Listing of Common Units	  	18
			
	 ARTICLE VI
	 	CLOSING CONDITIONS	  	18
			
	 Section 6.01
	 	    Conditions to the Closing	  	18
			
	 Section 6.02
	 	    Atlas Pipeline Holdings Deliveries	  	20
			
	 Section 6.03
	 	    Purchaser Deliveries	  	21
			
	 ARTICLE VII
	 	INDEMNIFICATION, COSTS AND EXPENSES	  	21
			
	 Section 7.01
	 	    Indemnification by Atlas Pipeline Holdings	  	21
			
	 Section 7.02
	 	    Indemnification by Purchasers	  	21
			
	 Section 7.03
	 	    Indemnification Procedure	  	21
			
	 ARTICLE VIII
	 	MISCELLANEOUS	  	22

  

 ii 

 TABLE OF CONTENTS 
 (continued) 
  

					
	 	  	 	  	Page
	 Section 8.01
	  	    Interpretation	  	22
			
	 Section 8.02
	  	    Survival of Provisions	  	23
			
	 Section 8.03
	  	    No Waiver; Modifications in Writing	  	23
			
	 Section 8.04
	  	    Binding Effect; Assignment	  	23
			
	 Section 8.05
	  	    Aggregation of Purchased Units	  	24
			
	 Section 8.06
	  	    Confidentiality and Non-Disclosure	  	24
			
	 Section 8.07
	  	    Communications	  	24
			
	 Section 8.08
	  	    Removal of Legend	  	24
			
	 Section 8.09
	  	    Entire Agreement	  	25
			
	 Section 8.10
	  	    Governing Law	  	25
			
	 Section 8.11
	  	    Execution in Counterparts	  	25
			
	 Section 8.12
	  	    Termination	  	25
			
	 Section 8.13
	  	    Recapitalization, Exchanges, Etc. Affecting the Purchased Units	  	26
			
	 Section 8.14
	  	    Obligations Limited to Parties to Agreement	  	26

  

 iii 

 Schedules and Exhibits 
  

			
	 Schedule 2.01    -
	 	List of Purchasers and Commitment Amounts
		
	 Exhibit A    -
	 	Form of Atlas Pipeline Holdings, L.P. General Partner’s Certificate
		
	 Exhibit B    -
	 	Form of Legal Opinion
		
	 Exhibit C    -
	 	Form of Registration Rights Agreement
		
	 Exhibit D    -
	 	Form of Lock-Up Letter for Atlas America, Inc.

 COMMON UNIT PURCHASE AGREEMENT 
 This COMMON UNIT PURCHASE AGREEMENT, dated as of June 1, 2007 (this “Agreement”), by and among ATLAS PIPELINE HOLDINGS, L.P., a
Delaware limited partnership (“Atlas Pipeline Holdings”), and each of the Purchasers listed on Schedule 2.01 (each, a “Purchaser” and, collectively, the “Purchasers”). 
 WHEREAS, simultaneously with the execution of this Agreement, Atlas Pipeline Partners, L.P., a Delaware limited partnership (“Atlas Pipeline
Partners”) is entering into those certain master formation agreements (the “Anadarko Agreements”) with Anadarko Petroleum Corporation (“Anadarko”) and its affiliates whereby Atlas Pipeline Partners will
contribute cash and Anadarko’s affiliates will contribute certain assets to two new joint ventures (the “Acquisition”); 
 WHEREAS, Atlas Pipeline Partners desires to finance a portion of the Acquisition through the sale of an aggregate of $1.125 billion of its common units and Atlas Pipeline Partners GP, LLC, a Delaware limited liability company
(“Atlas Pipeline Partners GP”), desires to purchase an aggregate of $168.750 million of the offered common units from Atlas Pipeline Partners and the Purchasers desire to purchase an aggregate of $956.250 million of common units
from Atlas Pipeline Partners pursuant to a separate purchase agreement dated as of the date hereof; 
 WHEREAS, Atlas Pipeline Holdings is
the sole owner of the membership interests of Atlas Pipeline Partners GP and intends to contribute $168.750 million to Atlas Pipeline Partners GP to fund the purchase of common units of Atlas Pipeline Partners; 
 WHEREAS, Atlas Pipeline Holdings desires to finance its contribution to Atlas Pipeline Partners GP through the sale of an aggregate of $168.750 million
of its Common Units to the Purchasers and the Purchasers desire to purchase an aggregate of $168.750 million of Common Units from Atlas Pipeline Holdings in accordance with the provisions of this Agreement; 
 WHEREAS, it is a condition to the obligations of the Purchasers and Atlas Pipeline Holdings under this Agreement that the Acquisition be consummated; and

 WHEREAS, Atlas Pipeline Holdings has agreed to provide the Purchasers with certain registration rights with respect to the Purchased Units
acquired pursuant to this Agreement; 
 NOW THEREFORE, in consideration of the mutual covenants and agreements set forth herein and for good
and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, Atlas Pipeline Holdings and each of the Purchasers, severally and not jointly, hereby agree as follows: 
 ARTICLE I 
 DEFINITIONS

 Section 1.01 Definitions. As used in this Agreement, and unless the context requires a different meaning, the following terms have the
meanings indicated: 
 “8-K Filing” shall have the meaning specified in Section 5.05. 

 “Acquisition” shall have the meaning specified in the recitals. 
 “Acquisition Closing Date” means the date on which the Acquisition is consummated. 
 “Action” against a Person means any lawsuit, action, proceeding, investigation or complaint before any Governmental Authority, mediator
or arbitrator. 
 “Affiliate” means, with respect to a specified Person, any other Person, whether now in existence or
hereafter created, directly or indirectly controlling, controlled by or under direct or indirect common control with such specified Person. For purposes of this definition, “control” (including, with correlative meanings,
“controlling”, “controlled by” and “under common control with”) means the power to direct or cause the direction of the management and policies of such Person, directly or indirectly, whether through the ownership of
voting securities, by contract or otherwise. 
 “Agreement” shall have the meaning specified in the introductory paragraph.

 “Anadarko” shall have the meaning specified in the recitals. 
 “Anadarko Agreements” shall have the meaning specified in the recitals. 
 “Atlas Pipeline Holdings” shall have the meaning specified in the introductory paragraph. 
 “Atlas Pipeline Holdings Financial Statements” shall have the meaning specified in Section 3.03. 
 “Atlas Pipeline Holdings Material Adverse Effect” means any material and adverse effect on (i) the assets, liabilities, financial
condition, business, operations, prospects or affairs of Atlas Pipeline Holdings and its Subsidiaries, taken as a whole, other than those occurring as a result of general economic or financial conditions or other developments that are not unique to
and do not have a material disproportionate impact on Atlas Pipeline Holdings and its Subsidiaries but also affect other Persons who participate in or are engaged in the lines of business of which Atlas Pipeline Holdings and its Subsidiaries
participate or are engaged, (ii) the ability of Atlas Pipeline Holdings and its Subsidiaries, taken as a whole, to carry out their business as of the date of this Agreement or to meet their obligations under the Basic Documents on a timely
basis or (iii) the ability of Atlas Pipeline Holdings to consummate the transactions under any Basic Document. 
 “Atlas
Pipeline Holdings Related Parties” shall have the meaning specified in Section 7.02. 
 “Atlas Pipeline Holdings SEC
Documents” shall have the meaning specified in Section 3.03. 
 “Atlas Pipeline Partners” shall have the
meaning set forth in the recitals. 
 “Atlas Pipeline Partners GP” shall have the meaning set forth in the recitals.

  

 2 

 “Basic Documents” means, collectively, the Escrow Agreement, this Agreement, the
Registration Rights Agreement, the Anadarko Agreements and any and all other agreements or instruments executed and delivered by the Parties to evidence the execution, delivery and performance of this Agreement, and any amendments, supplements,
continuations or modifications thereto. 
 “Business Day” means any day other than a Saturday, a Sunday, or a legal holiday
for commercial banks in New York, New York. 
 “Closing” shall have the meaning specified in Section 2.05. 

“Closing Date” shall have the meaning specified in Section 2.05. 
 “Code” means the Internal Revenue Code of 1986, as amended from time to time. 
 “Commission” means the United States Securities and Exchange Commission. 
 “Commitment Amount” means the dollar amount set forth opposite each Purchaser’s name on Schedule 2.01 to this Agreement under the
heading “Purchaser’s Aggregate Purchase Price.” 
 “Common Units” means the Common Units of Atlas Pipeline
Holdings having the rights, preferences and designations set forth in the Limited Partnership Agreement. 
 “Debt Financing”
means the financing substantially similar to that described in the Commitment Letter dated June 1, 2007, among Atlas Pipeline Partners and Wachovia Bank, National Association and Wachovia Capital Markets, LLC, which provides for no less than
$700 million of borrowings on the Closing Date. 
 “Delaware LP Act” means the Delaware Revised Limited Partnership Act, as
amended from time to time. 
 “Escrow Agreement” means the escrow agreement to be entered into no less than ten
(10) days prior to the Closing Date (or such other period of time reasonably acceptable to the Purchasers) among Atlas Pipeline Holdings, the Purchasers and an escrow agent, which shall contain reasonable and customary terms to be approved by
Atlas Pipeline Holdings and the Purchasers. 
 “Exchange Act” means the Securities Exchange Act of 1934, as amended from
time to time, and the rules and regulations of the Commission promulgated thereunder. 
 “GAAP” means generally accepted
accounting principles in the United States of America in effect from time to time. 
 “Governmental Authority” shall include
the country, state, county, city and political subdivisions in which any Person or such Person’s Property is located or that exercises valid jurisdiction over any such Person or such Person’s Property, and any court, agency, department,
commission, board, bureau or instrumentality of any of them and any monetary authorities that exercise valid 

  

 3 

 
jurisdiction over any such Person or such Person’s Property. Unless otherwise specified, all references to Governmental Authority herein shall mean a
Governmental Authority having jurisdiction over, where applicable, Atlas Pipeline Holdings, its Subsidiaries or any of their Property or any of the Purchasers. 
 “Indemnified Party” shall have the meaning specified in Section 7.03. 
 “Indemnifying Party” shall have the meaning specified in Section 7.03. 
 “Law” means any
federal, state, local or foreign order, writ, injunction, judgment, settlement, award, decree, statute, law, rule or regulation. 
 “Lien” means any interest in Property securing an obligation owed to, or a claim by, a Person other than the owner of the Property, whether such interest is based on the common law, statute or contract, and whether such
obligation or claim is fixed or contingent, and including the lien or security interest arising from a mortgage, encumbrance, pledge, security agreement, conditional sale or trust receipt or a lease, consignment or bailment for security purposes.

 “Limited Partnership Agreement” means the Amended and Restated Agreement of Limited Partnership of Atlas Pipeline
Holdings, dated as of July 26, 2006. 
 “Lock-Up Date” means ninety (90) days following the Closing Date.

 “New Units” shall have the meaning specified in Section 5.01. 
 “Participating Unit” shall have the meaning specified in Section 4.03. 
 “Party” or “Parties” means Atlas Pipeline Holdings and the Purchasers, individually or collectively, as the case may
be. 
 “Person” means any individual, corporation, company, voluntary association, partnership, joint venture, trust,
limited liability company, unincorporated organization or government or any agency, instrumentality or political subdivision thereof, or any other form of entity. 
 “Placement Agent Fees” means the fees that Atlas Pipeline Holdings is obligated to pay to UBS Securities LLC upon the closing of the transactions contemplated by this Agreement. 
 “Preferred Units” shall have the meaning specified in Section 3.02. 
 “Property” means any interest in any kind of property or asset, whether real, personal or mixed, or tangible or intangible. 

“Purchased Units” means the Common Units to be issued and sold to the Purchasers pursuant to this Agreement. 
 “Purchaser” and “Purchasers” shall have the meanings specified in the introductory paragraph. 
  

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 “Purchaser Material Adverse Effect” means any material and adverse effect on
(i) the ability of a Purchaser to meet its obligations under this Agreement or the Registration Rights Agreement on a timely basis or (ii) the ability of a Purchaser to consummate the transactions under this Agreement or the Registration
Rights Agreement. 
 “Purchaser Related Parties” shall have the meaning specified in Section 7.01. 
 “Registration Rights Agreement” means the Registration Rights Agreement, substantially in the form attached to this Agreement as Exhibit
C, to be entered into at the Closing, among Atlas Pipeline Holdings and the Purchasers. 
 “Representatives” of any Person
means the officers, managers, directors, employees, agents, affiliates, control persons, counsel, investment bankers and other representatives of such Person. 
 “Securities Act” means the Securities Act of 1933, as amended from time to time, and the rules and regulations of the Commission promulgated thereunder. 
 “Short Sales” means, without limitation, all “short sales” as defined in Rule 200 promulgated under Regulation SHO under the
Exchange Act, whether or not against the box, and forward sale contracts, options, puts, calls, short sales, “put equivalent positions” (as defined in Rule 16a-1(h) under the Exchange Act) and similar arrangements, and sales and other
transactions through non-U.S. broker dealers or foreign regulated brokers. 
 “Subsidiary” means, as to any Person, any
corporation or other entity of which a majority of the outstanding equity interest having by the terms thereof ordinary voting power to elect a majority of the board of directors of such corporation or other entity (irrespective of whether or not at
the time any equity interest of any other class or classes of such corporation or other entity shall have or might have voting power by reason of the happening of any contingency) is at the time directly or indirectly owned or controlled by such
Person or one or more of its Subsidiaries. 
 “Terminating Breach” shall have the meaning specified in Section 8.12(a).

 “Unitholders” means the Unitholders of Atlas Pipeline Holdings (within the meaning of the Limited Partnership Agreement).

 “Unit Price” means $27.00 per Purchased Unit. 
 “Units” means the Units of Atlas Pipeline Holdings representing limited partnership interests. 
 Section 1.02 Accounting Procedures and Interpretation. Unless otherwise specified in this Agreement, all accounting terms used herein shall be interpreted,
all determinations with respect to accounting matters under this Agreement shall be made, and all financial statements and certificates and reports as to financial matters required to be furnished to the Purchasers under this Agreement shall be
prepared, in accordance with GAAP applied on a consistent basis during the periods involved (except, in the case of unaudited statements, as permitted by Form 10-Q promulgated by the Commission) and in compliance as to form in all material respects
with applicable accounting requirements and with the published rules and regulations of the Commission with respect thereto. 
  

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 ARTICLE II 
 SALE AND PURCHASE 
 Section 2.01 Sale and Purchase. Contemporaneously with the consummation of the
Acquisition and subject to the terms and conditions of this Agreement, at the Closing, Atlas Pipeline Holdings hereby agrees to issue and sell to each Purchaser, and each Purchaser hereby agrees, severally and not jointly, to purchase from Atlas
Pipeline Holdings, the dollar amount of Purchased Units set forth opposite its name on Schedule 2.01 hereto. Each Purchaser severally and not jointly agrees to pay Atlas Pipeline Holdings the Unit Price for each Purchased Unit as set forth opposite
its name on Schedule 2.01. 
 Section 2.02 Independent Nature of Purchasers’ Obligations. The respective obligations of each Purchaser under
this Agreement and the Registration Rights Agreement are several and not joint with the obligations of any other Purchaser, and no Purchaser shall be responsible in any way for the performance of the obligations of any other Purchaser under this
Agreement or the Registration Rights Agreement. The failure or waiver of performance under this Agreement or the Registration Rights Agreement by any Purchaser, or on its behalf, does not excuse performance by any other Purchaser. Nothing contained
herein or in the Registration Rights Agreement, and no action taken by any Purchaser pursuant thereto, shall be deemed to constitute the Purchasers as a partnership, an association, a joint venture or any other kind of entity, or create a
presumption that the Purchasers are in any way acting in concert or as a group with respect to such obligations or the transactions contemplated by this Agreement or the Registration Rights Agreement. Except as otherwise provided in this Agreement
or the Registration Rights Agreement, each Purchaser shall be entitled to independently protect and enforce its rights, including the rights arising out of this Agreement or the Registration Rights Agreement, and it shall not be necessary for any
other Purchaser to be joined as an additional party in any proceeding for such purpose. 
 Section 2.03 Purchased Units. The Purchased Units
shall have those rights, preferences, privileges and restrictions governing the Common Units as set forth in the Limited Partnership Agreement. 
 Section 2.04 Funding into Escrow. Each Purchaser shall deposit its Commitment Amount into an escrow account established under the Escrow Agreement no later than one Business Day prior to the Closing Date. On the Closing Date,
upon receipt of satisfactory evidence that the conditions set forth in Article VI have been satisfied or waived, pursuant to Section 2.05, each such Purchaser shall deliver notice to the Escrow Agent (as such term is defined in the Escrow
Agreement) to promptly and timely release the funds escrowed under the Escrow Agreement to Atlas Pipeline Holdings. 
 Section 2.05 Closing.
Subject to satisfaction of the conditions set forth in Article VI, the execution and delivery of the Basic Documents (other than this Agreement and the Anadarko Agreements), the delivery of certificates representing the Purchased Units, the release
of the funds escrowed under the Escrow Agreement to Atlas Pipeline Holdings pursuant to the terms of the Escrow 

  

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Agreement, and the execution and delivery of all other instruments, agreements and other documents required by this Agreement (the
“Closing”) shall take place on a date (the “Closing Date”) concurrent with the Acquisition Closing Date, provided that Atlas Pipeline Holdings shall take reasonable efforts to provide each Purchaser five Business
Days (or such shorter period as shall be agreeable to each such Purchaser but in any event no less than two Business Days) prior written notice of such designated Closing Date. 
 ARTICLE III 
 REPRESENTATIONS AND WARRANTIES OF ATLAS PIPELINE HOLDINGS

 Atlas Pipeline Holdings represents and warrants to the Purchasers, on and as of the date of this Agreement and on and as of the
Closing Date, as follows: 
 Section 3.01 Existence. Each of Atlas Pipeline Holdings and Atlas Pipeline Partners GP: (i) is a limited
partnership or limited liability company, as applicable, duly organized, validly existing and in good standing under the Laws of Delaware; (ii) has all requisite power and authority, and has all material governmental licenses, authorizations,
consents and approvals, necessary to own, lease, use and operate its Properties and carry on its business as its business is now being conducted as described in the Atlas Pipeline Holdings SEC Documents, except where the failure to obtain such
licenses, authorizations, consents and approvals would not reasonably be expected to have an Atlas Pipeline Holdings Material Adverse Effect. Each of Atlas Pipeline Holdings and Atlas Pipeline Partners GP is duly qualified or licensed and in good
standing as a foreign limited partnership or limited liability company, as applicable, and is authorized to do business in each jurisdiction in which the ownership or leasing of its respective Properties or the character of its respective operations
makes such qualification necessary, except where the failure to obtain such qualification, license, authorization or good standing would not reasonably be expected to have an Atlas Pipeline Holdings Material Adverse Effect. 
 Section 3.02 Capitalization and Valid Issuance of Purchased Units. 
 (a) As of the date of this Agreement, and prior to the issuance and sale of the Purchased Units, the issued and outstanding limited partnership interests of Atlas Pipeline Holdings consist of 21,100,000 Common Units.
All of the outstanding Common Units have been duly authorized and validly issued in accordance with applicable Law and the Limited Partnership Agreement and are fully paid (to the extent required under the Limited Partnership Agreement) and
non-assessable (except as such non-assessability may be affected by Section 17-607 of the Delaware LP Act). 
 (b) Other than Atlas
Pipeline Holdings’ existing Long-Term Incentive Plan and other existing management compensation arrangements, Atlas Pipeline Holdings has no equity compensation plans that contemplate the issuance of Common Units or other equity securities (or
securities convertible into or exchangeable for Common Units or other equity securities). Atlas Pipeline Holdings has no outstanding indebtedness having the right to vote (or convertible into or exchangeable for securities having the right to vote)
on any matters on which the Unitholders may vote. Except as set forth in the first sentence of this Section 3.02(b), as contemplated by this Agreement or as are contained in the Limited Partnership Agreement, there are no outstanding or
authorized (i) options, warrants, preemptive rights, subscriptions, calls or other rights, convertible securities, agreements, claims or commitments of any character 

  

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obligating Atlas Pipeline Holdings or Atlas Pipeline Partners GP to issue, transfer or sell any limited partnership interests or other equity interests in
Atlas Pipeline Holdings or Atlas Pipeline Partners GP or securities convertible into or exchangeable for such limited partnership interests or other equity interests, (ii) obligations of Atlas Pipeline Holdings or Atlas Pipeline Partners GP to
repurchase, redeem or otherwise acquire any limited partnership interests or other equity interests in Atlas Pipeline Holdings or Atlas Pipeline Partners GP or any such securities or agreements listed in clause (i) of this sentence or
(iii) voting trusts or similar agreements to which Atlas Pipeline Holdings or Atlas Pipeline Partners GP is a party with respect to the voting of the equity interests of Atlas Pipeline Holdings or Atlas Pipeline Partners GP. 
 (c)(i) All of the issued and outstanding equity interests of Atlas Pipeline Partners GP are owned directly by Atlas Pipeline Holdings free and clear of
any Liens (except for such restrictions as may exist under applicable Law and except for such Liens as may be imposed under Atlas Pipeline Holdings’ credit facilities filed as exhibits to the Atlas Pipeline Holdings SEC Documents), and all such
ownership interests have been duly authorized and validly issued and are fully paid (to the extent required by applicable Law and the organizational documents of Atlas Pipeline Partners GP, as applicable) and non-assessable (except as
non-assessability may be affected by Section 17-607 of the Delaware LP Act or the organizational documents of Atlas Pipeline Partners GP, as applicable) and free of preemptive rights, with no personal liability attaching to the ownership
thereof, and (ii) except as disclosed in the Atlas Pipeline Holdings SEC Documents, neither Atlas Pipeline Holdings nor Atlas Pipeline Partners GP owns any shares of capital stock or other securities of, or interest in, any other Person, or is
obligated to make any capital contribution to or other investment in any other Person. 
 (d) The offer and sale of the Purchased Units and
the limited partnership interests represented thereby are duly authorized by Atlas Pipeline Holdings pursuant to the Limited Partnership Agreement prior to and as at the Closing and, when issued and delivered to the Purchasers against payment
therefor in accordance with the terms of this Agreement, will be validly issued, fully paid (to the extent required by applicable Law and the Limited Partnership Agreement) and non-assessable (except as such non-assessability may be affected by
Section 17-607 of the Delaware LP Act) and will be free of any and all Liens and restrictions on transfer, other than restrictions on transfer under the Limited Partnership Agreement, the Registration Rights Agreement and applicable state and
federal securities Laws and other than such Liens as are created by the Purchasers. 
 (e) The Purchased Units will be issued in compliance
with all applicable rules of The New York Stock Exchange. Prior to the Closing Date, Atlas Pipeline Holdings will submit an additional listing application to The New York Stock Exchange with respect to the Purchased Units. Atlas Pipeline
Holdings’ currently outstanding Common Units are quoted on The New York Stock Exchange and Atlas Pipeline Holdings has not received any notice of delisting. 
 (f) The Purchased Units shall have those rights, preferences, privileges and restrictions governing the Common Units as set forth in the Limited Partnership Agreement. 
 Section 3.03 Atlas Pipeline Holdings SEC Documents. Atlas Pipeline Holdings has filed with the Commission all forms, registration statements, reports,
schedules and statements required to be filed by it under the Exchange Act or the Securities Act (all such 

  

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documents filed on or prior to the date of this Agreement, collectively, the “Atlas Pipeline Holdings SEC Documents”). The Atlas Pipeline
Holdings SEC Documents, including any audited or unaudited financial statements and any notes thereto or schedules included therein (the “Atlas Pipeline Holdings Financial Statements”), at the time filed (in the case of registration
statements, solely on the dates of effectiveness) (except to the extent corrected by a subsequently filed Atlas Pipeline Holdings SEC Document filed prior to the date of this Agreement) (i) did not contain any untrue statement of a material
fact or omit to state a material fact required to be stated therein or necessary in order to make the statements therein, in light of the circumstances under which they were made, not misleading, (ii) complied in all material respects with the
applicable requirements of the Exchange Act and the Securities Act, as the case may be, (iii) complied as to form in all material respects with applicable accounting requirements and with the published rules and regulations of the Commission
with respect thereto, (iv) were prepared in accordance with GAAP applied on a consistent basis during the periods involved (except as may be indicated in the notes thereto or, in the case of unaudited statements, as permitted by Form 10-Q of
the Commission) and (v) fairly present (subject in the case of unaudited statements to normal, recurring and year-end audit adjustments) in all material respects the consolidated financial position and status of the business of Atlas Pipeline
Holdings as of the dates thereof and the consolidated results of its operations and cash flows for the periods then ended. Grant Thornton LLP is an independent registered public accounting firm with respect to Atlas Pipeline Holdings and has not
resigned or been dismissed as independent registered public accountants of Atlas Pipeline Holdings as a result of or in connection with any disagreement with Atlas Pipeline Holdings on any matter of accounting principles or practices, financial
statement disclosure or auditing scope or procedures. 
 Section 3.04 No Material Adverse Change. Except as set forth in or contemplated by the
Atlas Pipeline Holdings SEC Documents, and except for matters related to the proposed Acquisition, which has been disclosed to, and discussed with, each of the Purchasers, since December 31, 2006, Atlas Pipeline Holdings and its Subsidiaries
have conducted their business in the ordinary course, consistent with past practice, and there has been no (i) change that has had or would reasonably be expected to have an Atlas Pipeline Holdings Material Adverse Effect, (ii) acquisition
or disposition of any material asset by Atlas Pipeline Holdings or any of its Subsidiaries or any contract or arrangement therefor, otherwise than for fair value in the ordinary course of business, (iii) material change in Atlas Pipeline
Holdings’ accounting principles, practices or methods or (iv) incurrence of material indebtedness (other than the incurrence of such indebtedness as is contemplated in connection with the Acquisition and has been disclosed to, and
discussed with, each of the Purchasers). Except as set forth in or contemplated by the Atlas Pipeline Holdings SEC Documents and except for indebtedness to be incurred in connection with the Acquisition, Atlas Pipeline Holdings has neither issued
any Common Units or other equity securities (other than under its Long-Term Incentive Plan and existing management compensation plans, each as described in the Atlas Pipeline Holdings SEC Documents) nor incurred material indebtedness since
March 31, 2007. 
 Section 3.05 Litigation. Except as set forth in the Atlas Pipeline Holdings SEC Documents, there is no Action pending or,
to the knowledge of Atlas Pipeline Holdings, contemplated or threatened against Atlas Pipeline Holdings or Atlas Pipeline Partners GP or any of their respective officers, directors or Properties, which (individually or in the aggregate) reasonably
would be expected to have 

  

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an Atlas Pipeline Holdings Material Adverse Effect or which challenges the validity of any of the Basic Documents or the consummation of the transactions
contemplated hereby and thereby. 
 Section 3.06 No Breach. The execution, delivery and performance by Atlas Pipeline Holdings of the Basic
Documents to which it is a party and all other agreements and instruments in connection with the transactions contemplated by the Basic Documents, and compliance by Atlas Pipeline Holdings with the terms and provisions hereof and thereof, do not and
will not (a) violate any provision of any Law, governmental permit, determination or award having applicability to Atlas Pipeline Holdings or Atlas Pipeline Partners GP or any of their respective Properties, (b) conflict with or result in
a violation of any provision of the Certificate of Limited Partnership of Atlas Pipeline Holdings or the Limited Partnership Agreement or any organizational documents of Atlas Pipeline Partners GP, (c) require any consent, approval or notice
under or result in a violation or breach of or constitute (with or without due notice or lapse of time or both) a default (or give rise to any right of termination, cancellation or acceleration) under (i) any note, bond, mortgage, license, or
loan or credit agreement to which Atlas Pipeline Holdings or Atlas Pipeline Partners GP is a party or by which Atlas Pipeline Holdings or Atlas Pipeline Partners GP or any of their respective Properties may be bound or (ii) any other agreement,
instrument or obligation, or (d) result in or require the creation or imposition of any Lien upon or with respect to any of the Properties now owned or hereafter acquired by Atlas Pipeline Holdings or Atlas Pipeline Partners GP, except in the
cases of clauses (a), (c) and (d) where such violation, default, breach, termination, cancellation, failure to receive consent or approval, or acceleration with respect to the foregoing provisions of this Section 3.06 would not,
individually or in the aggregate, reasonably be expected to have an Atlas Pipeline Holdings Material Adverse Effect. 
 Section 3.07 Authority.
Atlas Pipeline Holdings has all necessary limited partnership power and authority to execute, deliver and perform its obligations under the Basic Documents to which it is a party and to consummate the transactions contemplated thereby; the
execution, delivery and performance by Atlas Pipeline Holdings of each of the Basic Documents to which it is a party, and the consummation of the transactions contemplated thereby, have been duly authorized by all necessary action on its part; and
the Basic Documents constitute the legal, valid and binding obligations of Atlas Pipeline Holdings, enforceable in accordance with their terms, except as such enforceability may be limited by bankruptcy, insolvency, fraudulent transfer and similar
Laws affecting creditors’ rights generally or by general principles of equity. No approval by the Unitholders is required as a result of Atlas Pipeline Holdings’ issuance and sale of the Purchased Units. 
 Section 3.08 Compliance with Laws. Neither Atlas Pipeline Holdings nor Atlas Pipeline Partners GP is in violation of any judgment, decree or order or any Law
applicable to Atlas Pipeline Holdings or Atlas Pipeline Partners GP, except as would not, individually or in the aggregate, have an Atlas Pipeline Holdings Material Adverse Effect. Atlas Pipeline Holdings and Atlas Pipeline Partners GP possess all
certificates, authorizations and permits issued by the appropriate regulatory authorities necessary to conduct their respective businesses, except where the failure to possess such certificates, authorizations or permits would not have, individually
or in the aggregate, an Atlas Pipeline Holdings Material Adverse Effect, and neither Atlas Pipeline Holdings nor Atlas Pipeline Partners GP has received any notice of proceedings relating to the revocation or modification of any such certificate,
authorization or permit, 

  

 10 

 
except where such potential revocation or modification would not have, individually or in the aggregate, an Atlas Pipeline Holdings Material Adverse Effect.
Neither Atlas Pipeline Holdings nor Atlas Pipeline Partners GP, nor any director, officer, agent, employee or other person acting on behalf of Atlas Pipeline Holdings or Atlas Pipeline Partners GP has, in the course of its actions for, or on behalf
of, Atlas Pipeline Holdings or Atlas Pipeline Partners GP (i) used any corporate funds for any unlawful contribution, gift, entertainment or other unlawful expenses relating to political activity; (ii) made any direct or indirect unlawful
payment to any foreign or domestic government official or employee from corporate funds; (iii) violated or is in violation of any provision of the U.S. Foreign Corrupt Practices Act of 1977, as amended; or (iv) made any unlawful bribe,
rebate, payoff, influence payment, kickback or other unlawful payment to any foreign or domestic government official or employee. 
 Section 3.09
Approvals. Except as required by the Commission in connection with Atlas Pipeline Holdings’ obligations under the Registration Rights Agreement, no authorization, consent, approval, waiver, license, qualification or written exemption
from, nor any filing, declaration, qualification or registration with, any Governmental Authority or any other Person is required in connection with the execution, delivery or performance by Atlas Pipeline Holdings of any of the Basic Documents to
which it is a party, except where the failure to receive such authorization, consent, approval, waiver, license, qualification or written exemption or to make such filing, declaration, qualification or registration would not, individually or in the
aggregate, reasonably be expected to have an Atlas Pipeline Holdings Material Adverse Effect. 
 Section 3.10 MLP Status. Atlas Pipeline Holdings
met for the taxable year ended December 31, 2006, and Atlas Pipeline Holdings expects to meet for the taxable year ending December 31, 2007, the gross income requirements of Section 7704(c)(2) of the Code, and accordingly Atlas
Pipeline Holdings is not, and does not reasonably expect to be, taxed as a corporation for U.S. federal income tax purposes or for applicable tax purposes. 
 Section 3.11 Investment Company Status. Atlas Pipeline Holdings is not an “investment company” within the meaning of the Investment Company Act of 1940, as amended. 
 Section 3.12 Offering. Assuming the accuracy of the representations and warranties of the Purchasers contained in this Agreement, the sale and issuance of
the Purchased Units pursuant to this Agreement are exempt from the registration requirements of the Securities Act, and neither Atlas Pipeline Holdings nor any authorized Representative acting on its behalf has taken or will take any action
hereafter that would cause the loss of such exemption. 
 Section 3.13 Certain Fees. Except for the Placement Agent Fees, no fees or commissions
will be payable by Atlas Pipeline Holdings to brokers, finders or investment bankers with respect to the sale of any of the Purchased Units or the consummation of the transactions contemplated by this Agreement. The Purchasers shall not be liable
for any such fees or commissions. Atlas Pipeline Holdings agrees that it will indemnify and hold harmless each of the Purchasers from and against any and all claims, demands or liabilities for broker’s, finder’s, placement or other similar
fees or commissions incurred by Atlas Pipeline Holdings or alleged to have been incurred by Atlas Pipeline Holdings in connection with the sale of Purchased Units or the consummation of the transactions contemplated by this Agreement. 
  

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 Section 3.14 Internal Accounting Controls. Except as disclosed in the Atlas Pipeline Holdings SEC Documents,
Atlas Pipeline Holdings and Atlas Pipeline Partners GP maintain a system of internal accounting controls sufficient to provide reasonable assurance that (i) transactions are executed in accordance with management’s general or specific
authorizations, (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP and to maintain asset accountability, (iii) access to assets is permitted only in accordance with
management’s general or specific authorization and (iv) the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences. 
 Section 3.15 Insurance. Atlas Pipeline Holdings and Atlas Pipeline Partners GP are insured against such losses and risks and in such amounts as Atlas
Pipeline Holdings believes in its sole discretion to be prudent for its businesses. Atlas Pipeline Holdings does not have any reason to believe that it or Atlas Pipeline Partners GP will not be able to renew its existing insurance coverage as and
when such coverage expires or to obtain similar coverage from similar insurers as may be necessary to continue its business. 
 Section 3.16
Registration Rights. Neither the execution of this Agreement or the issuance of the Purchased Units as contemplated by this Agreement gives rise to any rights for or relating to the registration of any securities of Atlas Pipeline Holdings,
other than pursuant to the Registration Rights Agreement. 
 Section 3.17 No Side Agreements. Except for the confidentiality agreements entered
into by and between any Purchaser and Atlas Pipeline Partners and the agreement between UBS Securities LLC and Atlas Pipeline Holdings regarding the Placement Agent Fees (it being understood that Atlas Pipeline Holdings will reimburse the fees of
counsel for the lead investor), there are no other agreements by, among or between Atlas Pipeline Holdings or its Affiliates, on the one hand, and such Purchaser or its Affiliates, on the other hand, with respect to the transactions contemplated
hereby nor promises or inducements for future transactions between or among any of such parties. 
 Section 3.18 Acknowledgment Regarding Purchase of
Purchased Units. Atlas Pipeline Holdings acknowledges and agrees that (i) each of the Purchasers is participating in the transactions contemplated by this Agreement and the other Basic Documents at Atlas Pipeline Holdings’ request and
Atlas Pipeline Holdings has concluded that such participation is in Atlas Pipeline Holdings’ best interest and is consistent with Atlas Pipeline Holdings’ objectives and (ii) each of the Purchasers is acting solely in the capacity of
an arm’s length purchaser. Atlas Pipeline Holdings further acknowledges that, other than UBS Securities LLC, no Purchaser is acting or has acted as an advisor, agent or fiduciary of Atlas Pipeline Holdings (or in any similar capacity) with
respect to this Agreement or the other Basic Documents and any advice given by any Purchaser or any of its respective Representatives in connection with this Agreement or the other Basic Documents is merely incidental to the Purchasers’
purchase of Purchased Units. Atlas Pipeline Holdings further represents to each Purchaser that Atlas Pipeline Holdings’ decision to enter into this Agreement has been based solely on the independent evaluation of the transactions contemplated
hereby by Atlas Pipeline Holdings and its Representatives. 
  

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 ARTICLE IV 
 REPRESENTATIONS AND WARRANTIES OF EACH PURCHASER 
 Each Purchaser, severally and not jointly,
represents and warrants to Atlas Pipeline Holdings with respect to itself, on and as of the date of this Agreement and on and as of the Closing Date, as follows: 
 Section 4.01 Valid Existence. Such Purchaser (i) is duly organized, validly existing and in good standing under the Laws of its respective jurisdiction of organization and (ii) has all requisite power, and has all
material governmental licenses, authorizations, consents and approvals, necessary to own its Properties and carry on its business as its business is now being conducted, except where the failure to obtain such licenses, authorizations, consents and
approvals would not have and would not reasonably be expected to have a Purchaser Material Adverse Effect. 
 Section 4.02 No Breach. The
execution, delivery and performance by such Purchaser of the Basic Documents to which it is a party and all other agreements and instruments in connection with the transactions contemplated by the Basic Documents to which it is a party, and
compliance by such Purchaser with the terms and provisions hereof and thereof and the purchase of the Purchased Units by such Purchaser do not and will not (a) violate any provision of any Law, governmental permit, determination or award having
applicability to such Purchaser or any of its Properties, (b) conflict with or result in a violation of any provision of the organizational documents of such Purchaser or (c) require any consent (other than standard internal consents),
approval or notice under or result in a violation or breach of or constitute (with or without due notice or lapse of time or both) a default (or give rise to any right of termination, cancellation or acceleration) under (i) any note, bond,
mortgage, license, or loan or credit agreement to which such Purchaser is a party or by which such Purchaser or any of its Properties may be bound or (ii) any other such agreement, instrument or obligation, except in the case of clauses
(a) and (c) where such violation, default, breach, termination, cancellation, failure to receive consent or approval, or acceleration with respect to the foregoing provisions of this Section 4.02 would not, individually or in the
aggregate, reasonably be expected to have a Purchaser Material Adverse Effect. 
 Section 4.03 Investment. The Purchased Units are being acquired
for such Purchaser’s own account, or the accounts of clients for whom such Purchaser exercises discretionary investment authority (all of whom such Purchaser represents and warrants are “accredited investors” within the meaning of
Rule 501 of Regulation D promulgated by the Commission pursuant to the Securities Act), not as a nominee or agent, and with no present intention of distributing the Purchased Units or any part thereof, and such Purchaser has no present intention of
selling or granting any participation in or otherwise distributing the same in any transaction in violation of the securities Laws of the United States of America or any state, without prejudice, however, to such Purchaser’s right at all times
to sell or otherwise dispose of all or any part of the Purchased Units under a registration statement under the Securities Act and applicable state securities Laws or under an exemption from such registration available thereunder (including, if
available, Rule 144 promulgated thereunder). If such Purchaser should in the future decide to dispose of any of the Purchased Units, such Purchaser understands and agrees (a) that it may do so only (i) in compliance with the Securities Act
and applicable state securities Law, as then in effect, or pursuant to an exemption therefrom or (ii) in the manner contemplated by any registration statement pursuant to which 

  

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such securities are being offered, and (b) that stop-transfer instructions to that effect will be in effect with respect to such securities.
Notwithstanding the foregoing, each Purchaser may at any time enter into one or more total return swaps with respect to such Purchaser’s Purchased Units with a third party provided that such transactions are exempt from registration under the
Securities Act; provided, however, the above shall not apply, in the case of a Purchaser that is a large multi-unit investment or commercial banking organization, to activities in the normal course of trading units of such Purchaser
other than the unit participating in this transaction (the “Participating Unit”) so long as such other units are not acting on behalf of the Participating Unit and have not been provided with confidential information regarding Atlas
Pipeline Partners by the Participating Unit. 
 Section 4.04 Nature of Purchaser. Such Purchaser represents and warrants to, and covenants and
agrees with, Atlas Pipeline Holdings that (a) it is an “accredited investor” within the meaning of Rule 501 of Regulation D promulgated by the Commission pursuant to the Securities Act and (b) by reason of its business and
financial experience it has such knowledge, sophistication and experience in business and financial matters so as to be capable of evaluating the merits and risks of the prospective investment in the Purchased Units, is able to bear the economic
risk of such investment and, at the present time, would be able to afford a complete loss of such investment. 
 Section 4.05 Receipt of Information;
Authorization. Such Purchaser acknowledges that it has (a) had access to the Atlas Pipeline Holdings SEC Documents, (b) had access to information regarding the Acquisition and its potential effect on Atlas Pipeline Holdings’
operations and financial results and (c) been provided a reasonable opportunity to ask questions of and receive answers from Representatives of Atlas Pipeline Holdings regarding such matters. 
 Section 4.06 Restricted Securities. Such Purchaser understands that the Purchased Units it is purchasing are characterized as “restricted
securities” under the federal securities Laws inasmuch as they are being acquired from Atlas Pipeline Holdings in a transaction not involving a public offering and that under such Laws and applicable regulations such securities may be resold
without registration under the Securities Act only in certain limited circumstances. In this connection, Purchaser represents that it is knowledgeable with respect to Rule 144 of the Commission promulgated under the Securities Act; provided,
however, the above shall not apply, in the case of a Purchaser that is a large multi-unit investment or commercial banking organization, to activities in the normal course of trading units of such Purchaser other than the Participating Unit,
so long as such other units are not acting on behalf of the Participating Unit and have not been provided with confidential information regarding Atlas Pipeline Partners by the Participating Unit. 
 Section 4.07 Certain Fees. No fees or commissions will be payable by such Purchaser to brokers, finders or investment bankers with respect to the sale of any
of the Purchased Units or the consummation of the transactions contemplated by this Agreement. Atlas Pipeline Holdings will not be liable for any such fees or commissions. Such Purchaser agrees, severally and not jointly with the other Purchasers,
that it will indemnify and hold harmless Atlas Pipeline Holdings from and against any and all claims, demands or liabilities for broker’s, finder’s, placement or other similar fees or commissions incurred by such Purchaser or alleged to
have been incurred by such Purchaser in connection with the purchase of Purchased Units or the consummation of the transactions contemplated by this Agreement. 
  

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 Section 4.08 Legend. It is understood that the certificates evidencing the Purchased Units initially will
bear the following legend: 
 “These securities have not been registered under the Securities Act of 1933, as amended. These securities
may not be sold, offered for sale, pledged (except in connection with a bona fide margin account or other loan or financing arrangement secured by these securities) or hypothecated in the absence of a registration statement in effect with respect to
the securities under such Act or pursuant to an exemption from registration thereunder and, in the case of a transaction exempt from registration, unless sold pursuant to Rule 144 under such Act or the issuer has received documentation reasonably
satisfactory to it that such transaction does not require registration under such Act.” 
 For the avoidance of doubt, the Purchased Units may be
pledged in connection with a bona fide margin account or other loan or financing arrangement secured by such Purchased Units and such pledge shall not be deemed to be a transfer, sale or assignment of such Purchased Units, and no buyer effecting
such a pledge shall be required to provide Atlas Pipeline Holdings with any notice thereof or otherwise make any delivery to Atlas Pipeline Holdings pursuant to this Agreement or any other Basic Document. 
 Section 4.09 Short Selling. Such Purchaser represents that it has not entered into any Short Sales of the Common Units owned by it between the time it first
began discussions with the Issuer or the Placement Agent about the transactions contemplated by this Agreement and the date hereof (it being understood that the entering into of a total return swap should not be considered a short sale);
provided, however, the above shall not apply, in the case of a Purchaser that is a large multi-unit investment or commercial banking organization, to activities in the normal course of trading units of such Purchaser other than the
Participating Unit, so long as such other units are not acting on behalf of the Participating Unit and have not been provided with confidential information regarding Atlas Pipeline Partners by the Participating Unit. 
 Section 4.10 No Side Agreements. Except for the confidentiality agreements entered into by and between any Purchaser and Atlas Pipeline Holdings and the
agreement between UBS Securities LLC and Atlas Pipeline Holdings regarding the Placement Agent Fees (it being understood that Atlas Pipeline Holdings will reimburse the fees of counsel for the lead investor), there are no other agreements by, among
or between Atlas Pipeline Holdings or its Affiliates, on the one hand, and such Purchaser or its Affiliates, on the other hand, with respect to the transactions contemplated hereby nor promises or inducements for future transactions between or among
any of such parties. 
 Section 4.11 Acknowledgment Regarding Distributions on Purchased Units. Such Purchaser acknowledges and agrees that it
shall not be entitled to receive any distribution on the Purchased Units relating to Atlas Pipeline Holdings’ second fiscal quarter of 2007. 
  

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 ARTICLE V 
 COVENANTS 
 Section 5.01 Anti-dilution Protection. If Atlas Pipeline Holdings issues additional
Common Units (or any security convertible into or exchangeable or exercisable for Common Units (other than pursuant to its Long Term Incentive Plan or other existing management compensation plans and the conversion of outstanding options)) for an
initial purchase price of less than the Unit Price (the “New Units”) prior to the effective date of the Registration Statement (as defined in the Registration Rights Agreement), Atlas Pipeline Holdings will issue to each Purchaser
under this Agreement additional Common Units (rounded up or down to the nearest whole Unit) in an amount equal to the difference between: 
 (a) the number of Units obtained by (i) multiplying (A) the Purchased Units by (B) the Unit Price and (ii) dividing the result by the Weighted Average as determined by the formula listed below, and 
 (b) the Purchased Units. 
  

																									
	 Weighted Average =
	 	 (X)(A) + (Y)(B)
	 		 		 		 		 		  		  		  		  		  		  	
		 	A + B	 		 		 		 		 		  		  		  		  		  		  	

 X = Unit Price 
 Y = the initial purchase price paid per New Unit 
 A = the number of Units issued hereunder 
 B = the number of New Units issued 
 Notwithstanding anything to the contrary herein, if the New Units
issued by Atlas Pipeline Holdings are securities convertible into or exchangeable or exercisable for Common Units, then for purpose of this Section 5.01, the “initial purchase price” per New Unit shall equal the (i) initial
purchase price paid for each such New Unit, plus (ii) conversion or exercise price for each such New Unit and any additional consideration required to be paid in connection with the exercise, conversion or exchange of such New Unit into Common
Unit. 
 Section 5.02 Purchaser Lock-Up. Without the prior written consent of Atlas Pipeline Holdings, each Purchaser severally agrees that from
and after the Closing it will not sell any of its Purchased Units prior to the Lock-Up Date; provided, however, that each Purchaser may: (i) enter into one or more total return swaps or similar transactions at any time with respect to the
Purchased Units purchased by such Purchaser; (ii) transfer its Purchased Units to an Affiliate of such Purchaser or to any other Purchaser or an Affiliate of such other Purchaser provided that such Affiliate agrees to the restrictions in this
Section 5.02; or (iii) sell its Purchased Units to an accredited investor (as defined in Rule 501 of Regulation D under the Securities Act) in a transaction exempt from registration under the Securities Act; provided,
however, the above shall not apply, in the case of a Purchaser that is a large multi-unit investment or commercial banking organization, to activities in the normal course of trading units of such Purchaser other than the Participating Unit, so
long as such other units are not acting on behalf of the Participating Unit and have not been provided with confidential information regarding Atlas Pipeline Partners by the Participating Unit. 
  

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 Section 5.03 Short Selling Acknowledgement and Agreement. Each Purchaser understands and acknowledges,
severally and not jointly with any other Purchaser, that the Commission currently takes the position that coverage of short sales of securities “against the box” prior to the effective date of a registration statement is a violation of
Section 5 of the Securities Act. Each Purchaser agrees, severally and not jointly, that it will not engage in any Short Sales that result in the disposition of the Purchased Units acquired hereunder by the Purchaser until such time as the
Registration Statement (as defined in the Registration Rights Agreement) is declared effective (it being understood that the entering into of a total return swap should not be considered a short sale of Common Units). No Purchaser makes any
representation, warranty or covenant hereby that it will not engage in Short Sales in the securities of Atlas Pipeline Holdings otherwise owned by such Purchaser or borrowed from a broker after the date the press release contemplated by
Section 5.05 is issued by Atlas Pipeline Holdings; provided, however, the above shall not apply, in the case of a Purchaser that is a large multi-unit investment or commercial banking organization, to activities in the normal
course of trading units of such Purchaser other than the Participating Unit, so long as such other units are not acting on behalf of the Participating Unit and have not been provided with confidential information regarding Atlas Pipeline Partners by
the Participating Unit. 
 Section 5.04 Taking of Necessary Action. Each of the Parties hereto shall use its commercially reasonable efforts
promptly to take or cause to be taken all action and promptly to do or cause to be done all things necessary, proper or advisable under applicable Law and regulations to consummate and make effective the transactions contemplated by this Agreement.
Without limiting the foregoing, Atlas Pipeline Holdings and each Purchaser will, and Atlas Pipeline Holdings shall cause each of its Subsidiaries to, use its commercially reasonable efforts to make all filings and obtain all consents of Governmental
Authorities that may be necessary or, in the reasonable opinion of the Purchasers or Atlas Pipeline Holdings, as the case may be, advisable for the consummation of the transactions contemplated by this Agreement and the other Basic Documents.

 Section 5.05 Non-Disclosure; Interim Public Filings. Atlas Pipeline Holdings shall, on or before 8:30 a.m., New York time, on the first
Business Day following execution of this Agreement, issue a press release acceptable to the Purchasers disclosing all material terms of the transactions contemplated herein and in the other Basic Documents. Before 8:30 a.m., New York time, on the
first Business Day following the Closing Date, Atlas Pipeline Holdings shall file a Current Report on Form 8-K with the Commission (the “8-K Filing”) describing the terms of the transactions contemplated by this Agreement and the
other Basic Documents and including as exhibits to such 8-K Filing this Agreement and the other Basic Documents, in the form required by the Exchange Act. Thereafter, Atlas Pipeline Holdings shall timely file any filings and notices required by the
Commission or applicable Law with respect to the transactions contemplated hereby. Atlas Pipeline Holdings and the Purchasers shall consult with each other in issuing any press releases or otherwise making public statements or filings and other
communications with the Commission or any regulatory agency or The New York Stock Exchange with respect to the transactions contemplated hereby, and neither Party shall issue any such press release or otherwise make any such public statement, filing
or other communication without the prior consent of the other, except if 

  

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such disclosure is required by Law, in which case the disclosing Party shall promptly provide the other Party with prior notice of such public statement,
filing or other communication. Notwithstanding the foregoing, Atlas Pipeline Holdings shall not publicly disclose the name of any Purchaser, or include the name of any Purchaser in any press release, without the prior written consent of such
Purchaser except to the extent the names of the Purchasers are included in this Agreement as filed as an exhibit to the 8-K Filing and the press release referred to in the first sentence above. Atlas Pipeline Holdings shall not, and shall cause each
of its respective Representatives not to, provide any Purchaser with any material non-public information regarding Atlas Pipeline Holdings from and after the issuance of the above-referenced press release without the express written consent of such
Purchaser. 
 Section 5.06 Use of Proceeds. Atlas Pipeline Holdings shall use the collective proceeds from the sale of the Purchased Units to
make a contribution to Atlas Pipeline Partners GP to fund its purchase of Atlas Pipeline Partners common units as described in the Preamble hereto. 
 Section 5.07 Tax Information. Atlas Pipeline Holdings shall cooperate with the Purchasers and provide the Purchasers with any reasonably requested tax information related to their ownership of the Purchased Units. 
 Section 5.08 No Other Listed Class of Securities. On the Closing Date, Atlas Pipeline Holdings will not have any class of securities that is traded on an
exchange or an established securities market other than the Common Units. 
 Section 5.09 NYSE Listing of Common Units. Atlas Pipeline Holdings
will maintain the listing of the Common Units on the New York Stock Exchange. 
 ARTICLE VI 
 CLOSING CONDITIONS 
 Section 6.01
Conditions to the Closing. 
 (a) Mutual Conditions. The respective obligation of each Party to consummate the purchase and
issuance and sale of the Purchased Units shall be subject to the satisfaction on or prior to the Closing Date of each of the following conditions (any or all of which may be waived by a particular Party on behalf of itself in writing, in whole or in
part, to the extent permitted by applicable Law): 
 (i) no Law shall have been enacted or promulgated, and no action shall have been taken,
by any Governmental Authority of competent jurisdiction which temporarily, preliminarily or permanently restrains, precludes, enjoins or otherwise prohibits the consummation of the transactions contemplated by this Agreement or makes the
transactions contemplated by this Agreement illegal; 
 (ii) there shall not be pending any Action by any Governmental Authority seeking to
restrain, preclude, enjoin or prohibit the transactions contemplated by this Agreement; and 
  

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 (iii) Atlas Pipeline Partners shall have consummated the Acquisition substantially on the terms set forth
in the Anadarko Agreements executed on the date hereof (without giving effect to the waiver of any material conditions by Atlas Pipeline Partners thereunder). 
 (b) Each Purchaser’s Conditions. The respective obligation of each Purchaser to consummate the purchase of its Purchased Units shall be subject to the satisfaction on or prior to the Closing Date of each
of the following conditions (any or all of which may be waived by a particular Purchaser on behalf of itself in writing, in whole or in part, to the extent permitted by applicable Law): 
 (i) Atlas Pipeline Holdings shall have performed and complied with the covenants and agreements contained in this Agreement in all material respects that
are required to be performed and complied with by Atlas Pipeline Holdings on or prior to the Closing Date; 
 (ii) the representations and
warranties of Atlas Pipeline Holdings contained in this Agreement that are qualified by materiality or Atlas Pipeline Holdings Material Adverse Effect shall be true and correct when made and as of the Closing Date and all other representations and
warranties shall be true and correct in all material respects when made and as of the Closing Date, in each case as though made at and as of the Closing Date (except that representations made as of a specific date shall be required to be true and
correct as of such date only); 
 (iii) since the date of this Agreement, no Atlas Pipeline Holdings Material Adverse Effect shall have
occurred and be continuing; 
 (iv) The New York Stock Exchange shall have approved an additional listing application with respect to the
Purchased Units and no notice of delisting from The New York Stock Exchange shall have been received by Atlas Pipeline Holdings with respect to the Common Units; 
 (v) Atlas Pipeline Holdings shall have delivered, or caused to be delivered, to the Purchasers at the Closing, Atlas Pipeline Holdings’ closing deliveries described in Section 6.02 of this Agreement;

 (vi) Atlas Pipeline Partners shall have received $1.125 billion net proceeds from the sale of its common units; 
 (vii) Atlas Pipeline Partners shall have received at least $700 million net proceeds from the Debt Financing; 
 (viii) Atlas Pipeline Holdings shall have contributed $168.750 million to Atlas Pipeline Partners GP and Atlas Pipeline Partners GP shall have purchased
$168.750 million of Atlas Pipeline Partners’ common units; and 
 (ix) a minimum of $100 million has been delivered to the Escrow
Account by the Purchasers and not withdrawn and at least such minimum amount has been released to Atlas Pipeline Holdings from the Escrow Account on the Closing Date. 
  

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 (c) Atlas Pipeline Holdings’ Conditions. The obligation of Atlas Pipeline Holdings to
consummate the sale of the Purchased Units to each of the Purchasers shall be subject to the satisfaction on or prior to the Closing Date of the following conditions with respect to each Purchaser individually and not the Purchasers jointly (which
may be waived by Atlas Pipeline Holdings in writing, in whole or in part, to the extent permitted by applicable Law): 
 (i) each Purchaser
shall have performed and complied with the covenants and agreements contained in this Agreement in all material respects that are required to be performed and complied with by that Purchaser on or prior to the Closing Date; 
 (ii) the representations and warranties of each Purchaser contained in this Agreement that are qualified by materiality or Purchaser Material Adverse
Effect shall be true and correct when made and as of the Closing Date and all other representations and warranties shall be true and correct in all material respects when made and as of the Closing Date, in each case as though made at and as of the
Closing Date (except that representations made as of a specific date shall be required to be true and correct as of such date only); 
 (iii)
the funds escrowed pursuant to the Escrow Agreement shall have been released to Atlas Pipeline Holdings; and 
 (iv) each Purchaser shall
have delivered, or caused to be delivered, to Atlas Pipeline Holdings at the Closing, such Purchaser’s closing deliveries described in Section 6.03 of this Agreement. 
 Section 6.02 Atlas Pipeline Holdings Deliveries. At the Closing, subject to the terms and conditions of this Agreement, Atlas Pipeline Holdings will deliver, or cause to be delivered, to each Purchaser:

 (a) the Purchased Units by delivering certificates (bearing the legend set forth in Section 4.08) evidencing such Purchased Units at
the Closing, all free and clear of any Liens, encumbrances or interests of any other party; 
 (b) a general partner’s certificate in
substantially the form attached to this Agreement as Exhibit A; 
 (c) an opinion addressed to the Purchasers from outside legal
counsel to Atlas Pipeline Holdings in substantially the form attached to this Agreement as Exhibit B; 
 (d) the Registration
Rights Agreement in substantially the form attached to this Agreement as Exhibit C, which shall have been duly executed by Atlas Pipeline Holdings; 
 (e) a certificate of the Secretary of the general partner of Atlas Pipeline Holdings, dated as of the Closing Date, as to certain matters; and 
 (f) Lock-Up Letter from Atlas America, Inc. in substantially the form attached to this Agreement as Exhibit D. 
  

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 Section 6.03 Purchaser Deliveries. At the Closing, subject to the terms and conditions of this Agreement,
each Purchaser will deliver, or cause to be delivered, to Atlas Pipeline Holdings: 
 (a) notice to the Escrow Agent instructing the Escrow
Agent to release the funds escrowed pursuant to the Escrow Agreement in respect of such Purchaser to Atlas Pipeline Holdings; 
 (b) the
Registration Rights Agreement in substantially the form attached to this Agreement as Exhibit C, which shall have been duly executed by such Purchaser; and 
 (c) an officer’s certificate in form and substance reasonably satisfactory to Atlas Pipeline Holdings. 
 ARTICLE VII 
 INDEMNIFICATION, COSTS AND EXPENSES 
 Section 7.01 Indemnification by Atlas Pipeline Holdings. Atlas Pipeline Holdings agrees to indemnify each Purchaser and its Representatives (collectively, “Purchaser Related Parties”)
from, and hold each of them harmless against, any and all actions, suits, proceedings (including any investigations, litigation or inquiries), demands and causes of action, and, in connection therewith, and promptly upon demand, pay and reimburse
each of them for all costs, losses, liabilities, damages or expenses of any kind or nature whatsoever, including the reasonable fees and disbursements of counsel and all other reasonable expenses incurred in connection with investigating, defending
or preparing to defend any such matter that may be incurred by them or asserted against or involve any of them as a result of, arising out of or in any way related to (i) any actual or proposed use by Atlas Pipeline Holdings of the proceeds of
any sale of the Purchased Units or (ii) the breach of any of the representations, warranties or covenants of Atlas Pipeline Holdings contained herein; provided that such claim for indemnification relating to a breach of a representation or
warranty is made prior to the expiration of such representation or warranty. 
 Section 7.02 Indemnification by Purchasers. Each Purchaser
agrees, severally and not jointly, to indemnify Atlas Pipeline Holdings and its Representatives (collectively, “Atlas Pipeline Holdings Related Parties”) from, and hold each of them harmless against, any and all actions, suits,
proceedings (including any investigations, litigation or inquiries), demands and causes of action, and, in connection therewith, and promptly upon demand, pay and reimburse each of them for all costs, losses, liabilities, damages or expenses of any
kind or nature whatsoever, including the reasonable fees and disbursements of counsel and all other reasonable expenses incurred in connection with investigating, defending or preparing to defend any such matter that may be incurred by them or
asserted against or involve any of them as a result of, arising out of or in any way related to the breach of any of the covenants of such Purchaser contained herein. 
 Section 7.03 Indemnification Procedure. Promptly after any Atlas Pipeline Holdings Related Party or Purchaser Related Party (hereinafter, the “Indemnified Party”) has received notice of
any indemnifiable claim hereunder, or the commencement of any action or proceeding by a third party, which the Indemnified Party believes in good faith is an indemnifiable claim under this Agreement, the Indemnified Party shall give the indemnitor
hereunder (the “Indemnifying Party”) written notice of such claim or the commencement 

  

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of such action or proceeding, but failure to so notify the Indemnifying Party will not relieve the Indemnifying Party from any liability it may have to such
Indemnified Party hereunder except to the extent that the Indemnifying Party is materially prejudiced by such failure. Such notice shall state the nature and the basis of such claim to the extent then known. The Indemnifying Party shall have the
right to defend and settle, at its own expense and by its own counsel who shall be reasonably acceptable to the Indemnified Party, any such matter as long as the Indemnifying Party pursues the same diligently and in good faith. If the Indemnifying
Party undertakes to defend or settle, it shall promptly notify the Indemnified Party of its intention to do so, and the Indemnified Party shall cooperate with the Indemnifying Party and its counsel in all commercially reasonable respects in the
defense thereof and the settlement thereof. Such cooperation shall include furnishing the Indemnifying Party with any books, records and other information reasonably requested by the Indemnifying Party and in the Indemnified Party’s possession
or control. Such cooperation of the Indemnified Party shall be at the cost of the Indemnifying Party. After the Indemnifying Party has notified the Indemnified Party of its intention to undertake to defend or settle any such asserted liability, and
for so long as the Indemnifying Party diligently pursues such defense, the Indemnifying Party shall not be liable for any additional legal expenses incurred by the Indemnified Party in connection with any defense or settlement of such asserted
liability; provided, however, that the Indemnified Party shall be entitled (i) at its expense, to participate in the defense of such asserted liability and the negotiations of the settlement thereof and (ii) if (A) the Indemnifying
Party has failed to assume the defense or employ counsel reasonably acceptable to the Indemnified Party or (B) if the defendants in any such action include both the Indemnified Party and the Indemnifying Party and counsel to the Indemnified
Party shall have concluded that there may be reasonable defenses available to the Indemnified Party that are different from or in addition to those available to the Indemnifying Party or if the interests of the Indemnified Party reasonably may be
deemed to conflict with the interests of the Indemnifying Party, then the Indemnified Party shall have the right to select a separate counsel and to assume such legal defense and otherwise to participate in the defense of such action, with the
expenses and fees of such separate counsel and other expenses related to such participation to be reimbursed by the Indemnifying Party as incurred. Notwithstanding any other provision of this Agreement, the Indemnifying Party shall not settle any
indemnified claim without the consent of the Indemnified Party, unless the settlement thereof imposes no liability or obligation on, involves no admission of wrongdoing or malfeasance by, and includes a complete release from liability of, the
Indemnified Party. 
 ARTICLE VIII 
 MISCELLANEOUS 
 Section 8.01 Interpretation. Article, Section, Schedule and Exhibit references are to this Agreement,
unless otherwise specified. All references to instruments, documents, contracts and agreements are references to such instruments, documents, contracts and agreements as the same may be amended, supplemented and otherwise modified from time to time,
unless otherwise specified. The word “including” shall mean “including but not limited to.” Whenever Atlas Pipeline Holdings has an obligation under the Basic Documents, the expense of complying with such obligation shall be an
expense of Atlas Pipeline Holdings unless otherwise specified. Whenever any determination, consent or approval is to be made or given by a Purchaser under this Agreement, such action shall be in such Purchaser’s sole discretion unless otherwise
specified. If any provision in the Basic Documents is held to be illegal, invalid, not 

  

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binding or unenforceable, such provision shall be fully severable and the Basic Documents shall be construed and enforced as if such illegal, invalid, not
binding or unenforceable provision had never comprised a part of the Basic Documents, and the remaining provisions shall remain in full force and effect. The Basic Documents have been reviewed and negotiated by sophisticated parties with access to
legal counsel and shall not be construed against the drafter. 
 Section 8.02 Survival of Provisions. The representations and warranties set
forth in this Agreement shall survive the execution and delivery of this Agreement and the issuance and delivery of the Purchased Units for a period of one year, with the exception the that representations and warranties set forth in Sections 3.01,
3.02, 3.06(b), 3.07, 3.12 and 4.01 shall survive perpetually. The covenants made in this Agreement or any other Basic Document shall survive the Closing of the transactions described herein and remain operative and in full force and effect
regardless of acceptance of any of the Purchased Units and payment therefor and repayment, conversion, exercise or repurchase thereof. All indemnification obligations of Atlas Pipeline Holdings and the Purchasers pursuant to Section 3.13,
Section 4.07 and Article VII of this Agreement shall remain operative and in full force and effect unless such obligations are expressly terminated in a writing by the Parties referencing the particular Article or Section, regardless of any
purported general termination of this Agreement. 
 Section 8.03 No Waiver; Modifications in Writing. 
 (a) Delay. No failure or delay on the part of any Party in exercising any right, power or remedy hereunder shall operate as a waiver thereof, nor
shall any single or partial exercise of any such right, power or remedy preclude any other or further exercise thereof or the exercise of any right, power or remedy. The remedies provided for herein are cumulative and are not exclusive of any
remedies that may be available to a Party at law or in equity or otherwise. 
 (b) Specific Waiver. Except as otherwise provided in
this Agreement or the Registration Rights Agreement, no amendment, waiver, consent, modification or termination of any provision of this Agreement or any other Basic Document shall be effective unless signed by each of the Parties or each of the
original signatories thereto affected by such amendment, waiver, consent, modification or termination. Any amendment, supplement or modification of or to any provision of this Agreement or any other Basic Document, any waiver of any provision of
this Agreement or any other Basic Document and any consent to any departure by Atlas Pipeline Holdings from the terms of any provision of this Agreement or any other Basic Document shall be effective only in the specific instance and for the
specific purpose for which made or given. Except where notice is specifically required by this Agreement, no notice to or demand on any Party in any case shall entitle any Party to any other or further notice or demand in similar or other
circumstances. 
 Section 8.04 Binding Effect; Assignment. 
 (a) Binding Effect. This Agreement shall be binding upon Atlas Pipeline Holdings, each Purchaser, and their respective successors and permitted assigns. Except as expressly provided in this Agreement, this
Agreement shall not be construed so as to confer any right or benefit upon any Person other than the Parties to this Agreement and as provided in Article VII, and their respective successors and permitted assigns. 
  

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 (b) Assignment of Purchased Units. All or any portion of a Purchaser’s Purchased Units
purchased pursuant to this Agreement may be sold, assigned or pledged by such Purchaser, subject to compliance with applicable securities Laws and the lock-up contained in Section 5.02. 
 (c) Assignment of Rights. Each Purchaser may assign all or any portion of its rights, subject to an express assumption of each of the obligations
under this Agreement without the consent of Atlas Pipeline Holdings (i) to any Affiliate of such Purchaser or (ii) in connection with a total return swap or similar transaction with respect to the Purchased Units purchased by such
Purchaser, and in each case the assignee shall be deemed to be a Purchaser hereunder with respect to such assigned rights or obligations and shall agree to be bound by the provisions of this Agreement. Except as expressly permitted by this
Section 8.04(c), such rights and obligations may not otherwise be transferred except with the prior written consent of Atlas Pipeline Holdings (which consent shall not be unreasonably withheld), in which case the assignee shall be deemed to be
a Purchaser hereunder with respect to such assigned rights or obligations and shall agree to be bound by the provisions of this Agreement. Schedule 2.01 shall be revised to reflect the actual Purchasers and allocations at the Closing. 
 Section 8.05 Aggregation of Purchased Units. All Purchased Units held or acquired by Persons who are Affiliates of one another shall be aggregated together
for the purpose of determining the availability of any rights under this Agreement. 
 Section 8.06 Confidentiality and Non-Disclosure.
Notwithstanding anything herein to the contrary, each Purchaser that has executed a confidentiality agreement in favor of Atlas Pipeline Holdings shall continue to be bound by such confidentiality agreement in accordance with the terms thereof until
Atlas Pipeline Holdings issues the press release contemplated by Section 5.05. 
 Section 8.07 Communications. All notices and demands
provided for hereunder shall be in writing and shall be given by regular mail, registered or certified mail, return receipt requested, facsimile, air courier guaranteeing overnight delivery, electronic mail or personal delivery to the addresses set
forth on the signature pages hereof or to such other address as Atlas Pipeline Holdings or such Purchaser may designate in writing. All notices and communications shall be deemed to have been duly given: at the time delivered by hand, if personally
delivered; upon actual receipt if sent by registered or certified mail, return receipt requested, or regular mail, if mailed; when receipt acknowledged, if sent via facsimile; and upon actual receipt when delivered to an air courier guaranteeing
overnight delivery or via electronic mail. 
 Section 8.08 Removal of Legend. Atlas Pipeline Holdings shall remove the legend described in
Section 4.08 from the certificates evidencing the Purchased Units at the request of a Purchaser submitting to Atlas Pipeline Holdings such certificates, together with such other documentation as may be reasonably requested by Atlas Pipeline
Holdings or required by its transfer agent, unless Atlas Pipeline Holdings, with the advice of counsel, reasonably determines that such removal is inappropriate; provided that no opinion of counsel shall be required in the event a Purchaser is
effecting a sale of such Purchased Units pursuant to Rule 144 under the Securities 

  

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Act or an effective registration statement. Atlas Pipeline Holdings shall cooperate with such Purchaser to effect removal of such legend. Subject to
Section 4.5 and Section 5.5 of the Limited Partnership Agreement, the legend described in Section 4.08 shall be removed and Atlas Pipeline Holdings shall issue a certificate without such legend to the holder of Purchased Units upon
which it is stamped, if, unless otherwise required by state securities Laws, (i) such Purchased Units are sold pursuant to an effective registration statement, (ii) in connection with a sale, assignment or other transfer, such holder
provides Atlas Pipeline Holdings with an opinion of a law firm reasonably acceptable to Atlas Pipeline Holdings, in a generally acceptable form, to the effect that such sale, assignment or transfer of such Purchased Units may be made without
registration under the applicable requirements of the Securities Act, or (iii) such holder provides Atlas Pipeline Holdings with reasonable assurance that such Purchased Units can be sold, assigned or transferred pursuant to Rule 144 or Rule
144A under the Securities Act. Atlas Pipeline Holdings shall bear all costs and expenses associated with the removal of a legend pursuant to this Section 8.08. 
 Section 8.09 Entire Agreement. This Agreement and the other Basic Documents are intended by the Parties as a final expression of their agreement and intended to be a complete and exclusive statement of the
agreement and understanding of the Parties hereto and thereto in respect of the subject matter contained herein and therein. There are no restrictions, promises, warranties or undertakings, other than those set forth or referred to herein or therein
with respect to the rights granted by Atlas Pipeline Holdings or a Purchaser set forth herein or therein. This Agreement and the other Basic Documents supersede all prior agreements and understandings between the Parties with respect to such subject
matter. 
 Section 8.10 Governing Law. This Agreement will be construed in accordance with and governed by the Laws of the State of New York
without regard to principles of conflicts of Laws. 
 Section 8.11 Execution in Counterparts. This Agreement may be executed in any number of
counterparts and by different Parties hereto in separate counterparts, each of which counterparts, when so executed and delivered, shall be deemed to be an original and all of which counterparts, taken together, shall constitute but one and the same
Agreement. 
 Section 8.12 Termination. 
 (a) Notwithstanding anything herein to the contrary, this Agreement may be terminated on or any time prior to the Closing by (i) any Purchaser, with respect to itself or (ii) with the written consent of the Purchasers entitled to
purchase a majority of the Purchased Units based on their Commitment Amounts or (iii) by Atlas Pipeline Holdings, (A) if any representation or warranty of the other Party set forth in this Agreement shall be untrue in any material respect
when made, or (B) upon a breach in any material respect of any covenant or agreement on the part of the other Party set forth in this Agreement (either (A) or (B) above being a “Terminating Breach”); provided, that
each Terminating Breach would cause the conditions to the non-terminating Party’s obligations not to be satisfied and such Terminating Breach is not cured within 20 days after written notice from the non-breaching Party. 
  

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 (b) Notwithstanding anything herein to the contrary, this Agreement shall automatically terminate on or
any time prior to the Closing: 
 (i) if the Closing shall not have occurred on or before the final termination date specified in the Anadarko
Agreements; 
 (ii) if the Acquisition has not closed by September 1, 2007; or 
 (iii) if a Law shall have been enacted or promulgated, or if any Action shall have been taken by any Governmental Authority of competent jurisdiction
which permanently restrains, precludes, enjoins or otherwise prohibits the consummation of the transactions contemplated by this Agreement or makes the transactions contemplated by this Agreement illegal. 
 (c) In the event of the termination of this Agreement as provided in Section 8.12(a) or Section 8.12(b), this Agreement shall forthwith become
null and void. In the event of such termination, there shall be no liability on the part of any Party hereto, except as set forth in Article VII of this Agreement and except with respect to the requirement to comply with any confidentiality
agreement in favor of Atlas Pipeline Holdings; provided that nothing herein shall relieve any Party from any liability or obligation with respect to any willful breach of this Agreement. 
 Section 8.13 Recapitalization, Exchanges, Etc. Affecting the Purchased Units. The provisions of this Agreement shall apply to the full extent set forth herein with respect to any and all equity interests
of Atlas Pipeline Holdings or any successor or assign of Atlas Pipeline Holdings (whether by merger, consolidation, sale of assets or otherwise) that may be issued in respect of, in exchange for or in substitution of, the Purchased Units, and shall
be appropriately adjusted for combinations, unit splits, recapitalizations and the like occurring after the date of this Agreement. 
 Section 8.14
Obligations Limited to Parties to Agreement. Each of the parties hereto covenants, agrees and acknowledges that no Person other than the Purchasers (and their permitted assignees) and Atlas Pipeline Holdings shall have any obligation
hereunder and that, notwithstanding that one or more of the Purchasers may be a corporation, partnership or limited liability company, no recourse under this Agreement or the other Basic Documents or under any documents or instruments delivered in
connection herewith or therewith shall be had against any former, current or future director, officer, employee, agent, general or limited partner, manager, member, stockholder or Affiliate of any of the Purchasers or Atlas Pipeline Holdings or any
former, current or future director, officer, employee, agent, general or limited partner, manager, member, stockholder or Affiliate of any of the foregoing, whether by the enforcement of any assessment or by any legal or equitable proceeding, or by
virtue of any applicable Law, it being expressly agreed and acknowledged that no personal liability whatsoever shall attach to, be imposed on or otherwise be incurred by any former, current or future director, officer, employee, agent, general or
limited partner, manager, member, stockholder or Affiliate of any of the Purchasers or Atlas Pipeline Holdings or any former, current or future director, officer, employee, agent, general or limited partner, manager, member, stockholder or Affiliate
of any of the foregoing, as such, for any obligations of the Purchasers and Atlas Pipeline Holdings under this Agreement or the other Basic Documents or any documents or instruments delivered in connection herewith or therewith or for any claim
based on, in respect of or by reason of such obligation or its creation. 
 [The remainder of this page is intentionally left blank.]

  

 26 

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

					
		 	ATLAS PIPELINE HOLDINGS, L.P.
			
		 	By:	 	Atlas Pipeline Holdings GP, LLC, its
		 		 	general partner
			
		 	By:	 	 /s/ Edward E. Cohen

		 	Name:	 	Edward E. Cohen
		 	Title:	 	Chairman & CEO
		
	 Address for notices:
	 	Atlas Pipeline Holdings, L.P.
		 	311 Rouser Road
		 	Moon Township, PA 15108
		 	Fax:	 	412-262-2820
		 	Attn:	 	Matthew A. Jones
		
		 	After July 6, 2007:
		 	West Pointe Corporate Center I
		 	1550 Coraopolis Heights Road, Second Floor
		 	Moon Township, PA 15108
		 	Fax:	 	412-262-2820
		 	Attn:	 	Matthew A. Jones
		
	 With copies to:
	 	Ledgewood
		 	1900 Market Street, Suite 750
		 	Philadelphia, PA 19103
		 	Fax:	 	215-735-2513
		 	Attn:	 	Lisa A. Ernst
		
		 	Jones Day
		 	77 W. Wacker Drive, Suite 3500
		 	Chicago, IL 60601
		 	Fax:	 	312-782-8585
		 	Attn:	 	Timothy J. Melton

  

 Signature Page to Atlas Pipeline Holdings Purchase Agreement 

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 Structured Finance Americas, LLC

		
	 By:
	 	 /s/ Sunil Hariani

	 Name:
	 	 Sunil Hariani

	 Title:
	 	
		
	 By:
	 	 /s/ Jill H Rathjen

	 Name:
	 	 Jill H Rathjen

	 Title:
	 	 VP

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 BAUPOST LIMITED PARTNERSHIP 1983 A-1

	 By:
	 	 The Baupost Group, L.L.C., its general partner

		
	 By:
	 	 /s/ Scott A. Nathan

	 Name:
	 	 Scott A. Nathan

	 Title:
	 	 Managing Director

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 Brahman Capital Corp.

		
	 By:
	 	 /s/ Mitch Kuflik

	 Name:
	 	 Mitch Kuflik

	 Title:
	 	 Vice President

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 Wingate Capital Ltd.

	 By:
	 	Citadel Limited Partnership, Portfolio Manager
	 By:
	 	Citadel Investment Group, L.L.C., its General Partner
		
	 By:
	 	 /s/ Erica L. Tarpey

	 Name:
	 	 Erica Tarpey

	 Title:
	 	 Authorized Signatory

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 Cobalt Capital Management, Inc.

		
	 By:
	 	 /s/ Wayne Cooperman

	 Name:
	 	 Wayne Cooperman

	 Title:
	 	 President

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	SUNLIGHT CAPITAL PARTNERS, LLC
		
	 By:
	 	 /s/ Elliot Greenberg

	 Name:
	 	 Elliot Greenberg

	 Title:
	 	 Vice-President

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 Lehman Brothers Inc.

		
	 By:
	 	 /s/ Walter G. Maloney

	 Name:
	 	 Walter G. Maloney

	 Title:
	 	 Managing Director

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 CREDIT SUISSE MANAGEMENT LLC

		
	 By:
	 	 /s/ Shawn Sullivan

	 Name:
	 	 Shawn Sullivan

	 Title:
	 	 Managing Director

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 Iridian Asset Management LLC

	 F/B/O
	 	 First Eagle Fund of America
 Iridian Principals Fund, LP

		
	 By:
	 	 /s/ Lane S. Buklan

	 Name:
	 	 Lane S. Buklan

	 Title:
	 	 General Counsel

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 LBI Group Inc.

		
	 By:
	 	 /s/ Paul H. Tice

	 Name:
	 	 Paul H. Tice

	 Title:
	 	 Managing Director

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 Royal Bank of Canada
 by its
agent
 RBC Capital Markets Corporation

		
	 By:
	 	 /s/ Josef Muskatel

	 Name:
	 	Josef Muskatel
	 Title:
	 	 Director and Senior Counsel

		
	 By:
	 	 /s/ David Weiner

	 Name:
	 	David Weiner
	 Title:
	 	 Managing Director

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 Omega Advisors, Inc., as investment manager for the funds and accounts listed on the attached Schedule

		
	 By:
	 	 /s/ Denis Wong

	 Name:
	 	Denis Wong
	 Title:
	 	 COO

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 RC INVESTMENT HOLDINGS I, INC.

		
	 By:
	 	 /s/ Atul Khanna

	 Name:
	 	Atul Khanna
	 Title:
	 	 Chief Executive Officer

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 MORGAN STANLEY STRATEGIC INVESTMENTS, INC.

		
	 By:
	 	 /s/ Alan Thomas

	 Name:
	 	 Alan Thomas

	 Title:
	 	

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 SWANK MLP CONVERGENCE FUND, L.P.

		
	 By:
	 	 /s/ Jerry V. Swank

	 Name:
	 	Jerry V. Swank
	 Title:
	 	 Managing Partner

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 THE CUSHING MLP OPPORTUNITY FUND I, L.P.

		
	 By:
	 	 /s/ Jerry V. Swank

	 Name:
	 	 Jerry V. Swank

	 Title:
	 	 Managing Partner

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 TPG-Axon Partners, LP

	
	 By: TPG-Axon Partners GP, LP

	 By: TPG-Axon GP, LLC

		
	 By:
	 	 /s/ Michael Gismondi

	 Name:
	 	 Michael Gismondi

	 Title:
	 	 Chief Financial Officer

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 UBS Securities LLC

		
	 By:
	 	 /s/ Barry Gu

	 Name:
	 	 Barry Gu

	 Title:
	 	 Managing Director

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	 ZLP Fund, LP

		
	 By:
	 	 /s/ Devin Geoghegan

	 Name:
	 	 Devin Geoghegan

	 Title:
	 	 Partner

 EXHIBIT A 
 FORM OF GENERAL PARTNER’S CERTIFICATE 
 ATLAS PIPELINE HOLDINGS, L.P. 
 General Partner’s Certificate 
 Pursuant to Section 6.02(b) of the Common Unit Purchase Agreement, dated as of June 1, 2007 (the “Agreement”), by and among Atlas Pipeline Holdings, L.P., a Delaware limited partnership (“Atlas Pipeline
Holdings”), and each of the purchasers listed on Schedule 2.01 to the Agreement (a “Purchaser” and, collectively, the “Purchasers”), the undersigned hereby certifies on behalf of Atlas Pipeline Holdings, as
follows (capitalized terms used but not defined herein have the meaning assigned to them in the Agreement): 
 (A) Atlas
Pipeline Holdings has performed and complied with the covenants and agreements contained in the Agreement that are required to be performed and complied with by Atlas Pipeline Holdings on or prior to the date hereof. 
 (B) The representations and warranties of Atlas Pipeline Holdings contained in the Agreement that are qualified by materiality or Atlas
Pipeline Holdings Material Adverse Effect are true and correct as of the date of the Agreement and as of the date hereof and all other representations and warranties are true and correct in all material respects as of the date of the Agreement and
as of the date hereof, except that representations made as of a specific date are true and correct as of such date only. 
 (C) Since the date of the Agreement, no Atlas Pipeline Holdings Material Adverse Effect has occurred and is continuing. 
  

					
	Dated:             , 2007	 	ATLAS PIPELINE HOLDINGS GP, LLC
			
		 	By:	 	  

		 	Name:	 	  

		 	Title:	 	  

  

 Ex. A 

 EXHIBIT B 
 FORM OF LEGAL OPINION 
 Capitalized terms used but not defined herein have the meaning assigned to
such terms in the Common Unit Purchase Agreement dated as of June 1, 2007 (the “Agreement”). Atlas Pipeline Holdings shall furnish to the Purchasers at the Closing an opinion of Ledgewood Law Firm, counsel for Atlas Pipeline
Holdings, addressed to the Purchasers and dated the Closing Date in form satisfactory to the Purchasers, stating that: 
 (i) Each of
Atlas Pipeline Holdings and Atlas Pipeline Partners GP (i) is a corporation, limited partnership or limited liability company, as applicable, duly organized, validly existing and in good standing under the Laws of the state or other
jurisdiction of its organization; (ii) has all requisite power and authority, and has all governmental licenses, authorizations, consents and approvals, necessary to own, lease, use and operate its Properties and carry on its business as its
business is now being conducted as described in the Atlas Pipeline Holdings SEC Documents, except where the failure to obtain such licenses, authorizations, consents and approvals would not reasonably be expected to have an Atlas Pipeline Holdings
Material Adverse Effect; and (iii) is duly qualified or licensed and in good standing as a foreign limited partnership, limited liability company or corporation, as applicable, and is authorized to do business in the jurisdictions listed in
Annex A hereto. 
 (ii) As of the date hereof, and prior to the sale and issuance of the Purchased Units, the issued and outstanding limited
partnership interests of Atlas Pipeline Holdings consist of 21,100,000 Common Units. All of the outstanding Common Units have been duly authorized and validly issued in accordance with applicable Law and the Limited Partnership Agreement and are
fully paid (to the extent required by the Limited Partnership Agreement) and non-assessable (except as such non-assessability may be affected by Section 17-607 of the Delaware LP Act ). 
 (iii) To our knowledge, except as described in the Atlas Pipeline Holdings SEC Documents filed prior to the date hereof, for options granted pursuant to
Atlas Pipeline Holdings’ existing Long-Term Incentive Plan or other existing compensation arrangements, or as contemplated by the Purchase Agreement, Atlas Pipeline Holdings has no outstanding or authorized (i) options, warrants,
preemptive rights, subscriptions, calls or other rights, convertible securities, agreements, claims or commitments of any character obligating Atlas Pipeline Holdings or Atlas Pipeline Partners GP to issue, transfer or sell any limited partnership
interests or other equity interests in Atlas Pipeline Holdings or Atlas Pipeline Partners GP or securities convertible into or exchangeable for such limited partnership interests or other equity interests, (ii) obligations of Atlas Pipeline
Holdings or Atlas Pipeline Partners GP to repurchase, redeem or otherwise acquire any limited partnership interests or other equity interests in Atlas Pipeline Holdings or Atlas Pipeline Partners GP or any such securities or agreements listed in
clause (i) of this sentence or (iii) voting trusts or similar agreements to which Atlas Pipeline Holdings or Atlas Pipeline Partners GP is a party with respect to the voting of the equity interests of Atlas Pipeline Holdings or Atlas
Pipeline Partners GP. 
  

 Ex.B 

 (iv) All of the issued and outstanding equity interests of Atlas Pipeline Partners GP are owned, directly
or indirectly, by Atlas Pipeline Holdings free and clear of any Liens (A) in respect of which a financing statement under the Uniform Commercial Code naming Atlas Pipeline Holdings or any of its Subsidiaries as debtors is on file in the office
of the Secretary of State of the State of Delaware, (B) otherwise known to such counsel without independent investigation, other than those created under applicable Law and (C) except for such Liens as may be imposed under Atlas Pipeline
Holdings’ or Atlas Pipeline Partners GP’s credit facilities, and all such ownership interests have been duly authorized and validly issued and are fully paid (to the extent required by the organizational documents of Atlas Pipeline
Partners GP) and nonassessable (except as non-assessability may be affected by matters described in Section 17-607 of the Delaware LP Act or the organizational documents of Atlas Pipeline Partners GP) and free of preemptive rights, and, to our
knowledge, except as disclosed in the Atlas Pipeline Holdings SEC Documents, neither Atlas Pipeline Holdings nor Atlas Pipeline Partners GP owns any shares of capital stock or other securities of, or interests in, any other Person or is obligated to
make any capital contribution to or other investment in any other Person. 
 (v) The Purchased Units and the limited partnership interests
represented thereby have been duly authorized by Atlas Pipeline Holdings pursuant to the Limited Partnership Agreement and, when issued and delivered to the Purchasers against payment therefor in accordance with the terms of the Purchase Agreement,
will be validly issued, fully paid (to the extent required by the Limited Partnership Agreement) and non-assessable (except as such non-assessability may be affected by Section 17-607 of the Delaware LP Act) and will be free of any and all
Liens and restriction on transfer, other than restrictions on transfer under the Limited Partnership Agreement, the Registration Rights Agreement and applicable state and federal securities Laws and other than such Liens as are created by the
Purchasers. 
 (vi) None of the offering, issuance and sale by Atlas Pipeline Holdings of the Purchased Units or the execution, delivery and
performance of the Basic Documents by Atlas Pipeline Holdings (A) constitutes or will constitute a violation of Atlas Pipeline Holdings’ Certificate of Limited Partnership or Limited Partnership Agreement, or any organizational documents
of Atlas Pipeline Partners GP, (B) without duplication of clause (A), constitutes or will constitute a breach or violation of, or a default under (or an event which, with notice or lapse of time or both, would constitute such an event), any
agreement filed as an exhibit to the Atlas Pipeline Holdings SEC Documents, or (C) will result in a breach or violation (and, to such counsel’s knowledge, no event has occurred that, with notice or lapse of time or otherwise, would
constitute such an event) or imposition of any Lien upon any Property of Atlas Pipeline Holdings or Atlas Pipeline Partners GP pursuant to (i) any agreement, lease or other instrument known to such counsel (excluding any agreement filed as an
exhibit to the Atlas Pipeline Holdings SEC Documents) or (ii) to the knowledge of such counsel, any order, judgment, decree or injunction of any federal or Delaware court or government agency or body directed to any of Atlas Pipeline Holdings
or Atlas Pipeline Partners GP or any of its respective Properties in a proceeding to which any of them or such Property is a party, or (D) results or will result in any violation of the Delaware LP Act, the Laws of the State of New York or U.S.
federal Law, which in the case of clause (B), (C) or (D) of this paragraph (vi) would be reasonably expected to have an Atlas Pipeline Holdings Material Adverse Effect; provided, however, that no opinion is expressed pursuant to this
paragraph (vi) with respect to federal or state securities or anti-fraud statutes, rules or regulations. 
  

 Ex. B 

 (vii) Each of the Basic Documents to which Atlas Pipeline Holdings is a party has been duly authorized
and validly executed and delivered on behalf of Atlas Pipeline Holdings, and is enforceable against Atlas Pipeline Holdings in accordance with its respective terms, except as such enforceability may be limited by applicable bankruptcy, insolvency,
fraudulent transfer and similar Laws affecting creditors’ rights generally and by general principles of equity. 
 (viii) Except as
required by the Commission in connection with Atlas Pipeline Holdings’ obligations under the Registration Rights Agreement, no authorization, consent, approval, waiver, license, qualification or written exemption from, nor any filing,
declaration, qualification or registration with, any Governmental Authority or any other Person is required in connection with the execution, delivery or performance by Atlas Pipeline Holdings of any of the Basic Documents to which it is a party,
except where the failure to receive such authorization, consent, approval, waiver, license, qualification or written exemption or to make such filing, declaration, qualification or registration would not individually or in the aggregate, reasonably
be expected to have an Atlas Pipeline Holdings Material Adverse Effect or those that have been obtained or may be required under the state securities or “blue sky” laws, as to which we do not express any opinion. 
 (ix) Atlas Pipeline Holdings is not an “investment company” within the meaning of the Investment Company Act of 1940, as amended. 

(x) Assuming the accuracy of the representations and warranties of each Purchaser contained in the Purchase Agreement, the issuance and sale of the
Purchased Units pursuant to the Purchase Agreement are exempt from registration requirements of the Securities Act of 1933, as amended. 
 (xi) Atlas Pipeline Holdings is treated as a partnership for federal income tax purposes. 
 (xii) None of the offering, issuance
and sale by Atlas Pipeline Holdings of the Purchased Units or the execution, delivery and performance of the Basic Documents by Atlas Pipeline Holdings gives rise to any rights for or relating to the registration of any securities of Atlas Pipeline
Holdings, other than pursuant to the Registration Rights Agreement. 
  

 Ex. B 

 EXHIBIT C 
 REGISTRATION RIGHTS AGREEMENT 
 by and among 
 ATLAS PIPELINE HOLDINGS, L.P. 
 and

 THE PURCHASERS NAMED HEREIN 

 TABLE OF CONTENTS 
  

					
	 	 	 	  	Page
	 ARTICLE I
	 	DEFINITIONS	  	1
			
	 Section 1.01
	 	    Definitions	  	1
			
	 Section 1.02
	 	    Registrable Securities	  	2
			
	 ARTICLE II
	 	REGISTRATION RIGHTS	  	3
			
	 Section 2.01
	 	    Registration	  	3
			
	 Section 2.02
	 	    Piggyback Rights	  	5
			
	 Section 2.03
	 	    Sale Procedures	  	7
			
	 Section 2.04
	 	    Cooperation by Holders	  	10
			
	 Section 2.05
	 	    Restrictions on Public Sale by Holders of Registrable Securities	  	10
			
	 Section 2.06
	 	    Expenses	  	11
			
	 Section 2.07
	 	    Indemnification	  	11
			
	 Section 2.08
	 	    Rule 144 Reporting	  	13
			
	 Section 2.09
	 	    Transfer or Assignment of Registration Rights	  	14
			
	 Section 2.10
	 	    Limitation on Subsequent Registration Rights	  	14
			
	 ARTICLE III
	 	MISCELLANEOUS	  	14
			
	 Section 3.01
	 	    Communications	  	14
			
	 Section 3.02
	 	    Successor and Assigns	  	15
			
	 Section 3.03
	 	    Aggregation of Purchased Units	  	15
			
	 Section 3.04
	 	    Recapitalization, Exchanges, Etc. Affecting the Units	  	15
			
	 Section 3.05
	 	    Change of Control	  	15
			
	 Section 3.06
	 	    Specific Performance	  	15
			
	 Section 3.07
	 	    Counterparts	  	15
			
	 Section 3.08
	 	    Headings	  	15
			
	 Section 3.09
	 	    Governing Law	  	15
			
	 Section 3.10
	 	    Severability of Provisions	  	15
			
	 Section 3.11
	 	    Entire Agreement	  	16
			
	 Section 3.12
	 	    Amendment	  	16
			
	 Section 3.13
	 	    No Presumption	  	16
			
	 Section 3.14
	 	    Obligations Limited to Parties to Agreement	  	16

  

 -i- 

 REGISTRATION RIGHTS AGREEMENT 
 THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is made and entered into as of
                , 2007 by and among Atlas Pipeline Holdings, L.P., a Delaware limited partnership (“Atlas Pipeline Holdings”), and each of the
Purchasers set forth in Exhibit A (each, a “Purchaser” and, collectively, the “Purchasers”). 
 WHEREAS, this Agreement is made in connection with the Closing of the issuance and sale of the Purchased Units pursuant to the Common Unit Purchase Agreement, dated as of June 1, 2007, by and among Atlas Pipeline Holdings and the
Purchasers (the “Purchase Agreement”); 
 WHEREAS, Atlas Pipeline Holdings has agreed to provide the registration and other
rights set forth in this Agreement for the benefit of the Purchasers pursuant to the Purchase Agreement; and 
 WHEREAS, it is a condition to
the obligations of each Purchaser and Atlas Pipeline Holdings under the Purchase Agreement that this Agreement be executed and delivered; 
 NOW THEREFORE, in consideration of the mutual covenants and agreements set forth herein and for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged by each party hereto, the parties hereby agree as
follows: 
 ARTICLE I 
 DEFINITIONS 
 Section 1.01 Definitions. Capitalized terms used herein without definition shall have the
meanings given to them in the Purchase Agreement. The terms set forth below are used herein as so defined: 
 “Agreement” has the meaning specified therefor in the introductory paragraph. 
 “Atlas Pipeline
Holdings” has the meaning specified therefor in the introductory paragraph. 
 “Atlas Pipeline Partners GP” means
Atlas Pipeline Partners GP, LLC, a Delaware limited liability company. 
 “Effectiveness Period” has the meaning specified
therefor in Section 2.01(a)(i) of this Agreement. 
 “Holder” means the record holder of any Registrable Securities.

 “Included Registrable Securities” has the meaning specified therefor in Section 2.02(a) of this Agreement.

 “Liquidated Damages” has the meaning specified therefor in Section 2.01(a)(ii) of this Agreement. 

 “Liquidated Damages Multiplier” means the product of $27.00 times the number of
Purchased Units purchased by such Purchaser. 
 “Losses” has the meaning specified therefor in Section 2.07(a) of this
Agreement. 
 “Managing Underwriter” means, with respect to any Underwritten Offering, the book-running lead manager of such
Underwritten Offering. 
 “Opt Out Notice” has the meaning specified therefor in Section 2.02(a) of this Agreement.

 “Parity Securities” has the meaning specified therefor in Section 2.02(b) of this Agreement. 
 “Purchase Agreement” has the meaning specified therefor in the recitals of this Agreement. 
 “Purchaser” and “Purchasers” have the meanings specified therefor in the introductory paragraph of this Agreement.

 “Registrable Securities” means: (i) the Purchased Units, (ii) any Common Units issued as Liquidated Damages
pursuant to this Agreement, and (iii) any Common Units issued pursuant to Section 5.01 of the Purchase Agreement. 
 “Registration Expenses” has the meaning specified therefor in Section 2.06(a) of this Agreement. 
 “Registration Statement” has the meaning specified therefor in Section 2.01(a)(i) of this Agreement. 
 “Selling Expenses” has the meaning specified therefor in Section 2.06(a) of this Agreement. 
 “Selling Holder” means a Holder who is selling Registrable Securities pursuant to a registration statement. 
 “Selling Holder Indemnified Persons” has the meaning specified therefor in Section 2.07(a) of this Agreement. 
 “Target Effective Date” has the meaning specified therefor in Section 2.01(a)(i) of this Agreement. 
 “Underwritten Offering” means an offering (including an offering pursuant to a Registration Statement) in which Units are sold to an underwriter on a firm commitment basis for reoffering to the public. 
 Section 1.02 Registrable Securities. Any Registrable Security will cease to be a Registrable Security: (a) when a registration statement
covering such Registrable Security is effective and such Registrable Security has been sold or disposed of pursuant to such effective registration statement; (b) when such Registrable Security has been disposed of pursuant to any section of
Rule 144 (or any 

  

 2 

 
similar provision then in force) under the Securities Act; (c) two years after the Closing Date; (d) when such Registrable Security is held by
Atlas Pipeline Holdings or one of its Subsidiaries; or (e) when such Registrable Security has been sold in a private transaction in which the transferor’s rights under this Agreement are not assigned to the transferee of such securities.

 ARTICLE II 
 REGISTRATION RIGHTS 
 Section 2.01 Registration. 
 (a) Registration. 
 (i) Deadline To
Become Effective. As promptly as practicable (but in no event later than 120 days following the Closing Date), Atlas Pipeline Holdings shall prepare and file a registration statement under the Securities Act to permit the resale of the
Registrable Securities from time to time, including as permitted by Rule 415 under the Securities Act (or any similar provision then in force), with respect to all of the Registrable Securities (the “Registration
Statement”). Atlas Pipeline Holdings shall use its commercially reasonable efforts to cause the Registration Statement to become effective no later than 195 days following the Closing Date (the “Target Effective
Date”). A Registration Statement filed pursuant to this Section 2.01 shall be on such appropriate registration form of the Commission as shall be selected by Atlas Pipeline Holdings. Atlas Pipeline Holdings will use its
commercially reasonable efforts to cause the Registration Statement filed pursuant to this Section 2.01 to be continuously effective under the Securities Act until the earlier of (i) the date as of which all such Registrable Securities are
sold by the Purchasers and (ii) two years following the Closing Date (the “Effectiveness Period”). The Registration Statement when declared effective (including the documents incorporated therein by reference) shall comply
as to form with all applicable requirements of the Securities Act and the Exchange Act and shall not contain 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. 
 (ii) Failure To Become Effective. If the Registration Statement required by this Section 2.01 is
not effective by the Target Effective Date, then each Purchaser shall be entitled to a payment with respect to such Purchaser’s Registrable Securities, as liquidated damages and not as a penalty, of 0.25% of the Liquidated Damages Multiplier
per 30-day period for the first 30 days following the Target Effective Date, increasing by an additional 0.25% of the Liquidated Damages Multiplier per 30-day period for each subsequent 30 days, up to a maximum of 1.00% of the Liquidated Damages
Multiplier per 30-day period (the “Liquidated Damages”). The Liquidated Damages payable pursuant to the immediately preceding sentence shall be payable within ten Business Days of the end of each such 30-day
period. Liquidated Damages for any period of less than 30 days shall be prorated by multiplying Liquidated Damages to be paid in a full 30-day period by a fraction, the numerator of which is the number of days for which Liquidated Damages are
owed, and the denominator of which is 30. Any Liquidated Damages shall be paid to each Purchaser in cash or immediately available funds; provided, however, if Atlas Pipeline Holdings certifies that it is unable to pay Liquidated
Damages 

  

 3 

 
in cash or immediately available funds because such payment would result in a breach under any of Atlas Pipeline Holdings’ or Atlas Pipeline Partners
GP’s credit facilities or other indebtedness filed as exhibits to the Atlas Pipeline Holdings SEC Documents, then Atlas Pipeline Holdings may pay the Liquidated Damages in kind in the form of the issuance of additional Common Units. Upon
any issuance of Common Units as Liquidated Damages, Atlas Pipeline Holdings shall promptly prepare and file an amendment to the Registration Statement prior to its effectiveness adding such Common Units to such Registration Statement as additional
Registrable Securities. The determination of the number of Common Units to be issued as Liquidated Damages shall be equal to the amount of Liquidated Damages divided by the volume weighted average closing price of the Common Units (as reported
by The New York Stock Exchange) for the ten trading days immediately preceding the date on which the Liquidated Damages payment is due, less a discount of 2%. Any obligation of Atlas Pipeline Holdings to pay Liquidated Damages (other than
Liquidated Damages owing but not yet paid) to a Purchaser shall cease two years following the Closing Date. As soon as practicable following the date that the Registration Statement or any post-effective amendment thereto becomes effective, but
in any event within two Business Days of such date, Atlas Pipeline Holdings shall provide the Purchasers with written notice of the effectiveness of the Registration Statement. 
 (iii) Waiver of Liquidated Damages. If Atlas Pipeline Holdings is unable to cause a Registration Statement to become effective by the Target
Effective Date as a result of an acquisition, merger, reorganization, disposition or other similar transaction, then Atlas Pipeline Holdings may request a waiver of the Liquidated Damages, which may be granted or withheld by the consent of the
Holders of two-thirds of Purchased Units, voting as a single class, in their sole discretion. 
 (b) Delay
Rights. Notwithstanding anything to the contrary contained herein, Atlas Pipeline Holdings may, upon written notice to all of the Selling Holders whose Registrable Securities are included in the Registration Statement, suspend such Selling
Holders’ use of any prospectus which is a part of the Registration Statement (in which event each such Selling Holder shall cease offers and sales of the Registrable Securities pursuant to the Registration Statement) but such Selling Holder may
settle any previously made sales of Registrable Securities, if (i) Atlas Pipeline Holdings is pursuing an acquisition, merger, reorganization, disposition or other similar transaction and Atlas Pipeline Holdings determines in good faith that
Atlas Pipeline Holdings’ ability to pursue or consummate such a transaction would be materially adversely affected by any required disclosure of such transaction in the Registration Statement or (ii) Atlas Pipeline Holdings has experienced
some other material non-public event, the disclosure of which at such time, in the good faith judgment of Atlas Pipeline Holdings, would materially adversely affect Atlas Pipeline Holdings; provided, however, in no event shall such
Selling Holders be suspended from selling Registrable Securities pursuant to the Registration Statement for a period that exceeds an aggregate of 30 days in any 90-day period or 90 days in any 365-day period. Upon disclosure of such information
or the termination of the condition described above, Atlas Pipeline Holdings shall (i) provide prompt notice to the Selling Holders whose Registrable Securities are included in the Registration Statement, (ii) promptly terminate any
suspension of sales it has put into effect and (iii) take such other reasonable actions to permit sales of Registrable Securities as contemplated in this Agreement. 
  

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 (c) Additional Rights to Liquidated Damages. If (i) the Holders shall be prohibited from
selling their Registrable Securities under the Registration Statement as a result of a suspension pursuant to Section 2.01(b) of this Agreement in excess of the periods permitted therein or (ii) the Registration Statement is filed and
effective but, during the Effectiveness Period, shall thereafter cease to be effective or fail to be usable for its intended purpose without being succeeded by a post-effective amendment to the Registration Statement, a supplement to the prospectus
or a report filed with the Commission pursuant to Section 13(a), 13(c), 14 or l5(d) of the Exchange Act, then, until the suspension is lifted or a post-effective amendment, supplement or report is filed with the Commission and effective, but
not including any day on which a suspension is lifted or such amendment, supplement or report is filed and effective, if applicable, the Holders shall be entitled to receive an amount equal to the Liquidated Damages, following (x) the date on
which the suspension period exceeded the permitted period under Section 2.01(b) of this Agreement or (y) the date after the Registration Statement ceased to be effective or failed to be useable for its intended purposes, as liquidated
damages and not as a penalty. For purposes of this Section 2.01(c), a suspension shall be deemed lifted on the date that notice that the suspension has been lifted or that a post-effective amendment is effective is delivered to the Holders
pursuant to Section 3.01 of this Agreement. 
 (d) S-1 Filing. In addition to the rights provided in Section 2.01(a), if
Atlas Pipeline Holdings is not eligible to file a shelf registration statement on Form S-3 for all Registrable Securities within the time periods referenced in Section 2.01(a), one or more Holders collectively holding greater than $25 million
of Registrable Securities, based on the Unit Price, may thereafter deliver written notice to Atlas Pipeline Holdings that such Holders wish to register under the Securities Act an aggregate of at least $25 million of Registrable Securities, based on
the Unit Price, specifying the amount and intended method of disposition of such Registrable Securities. Atlas Pipeline Holdings will promptly give written notice of such requested registration to all other Holders, and thereupon will, as
expeditiously as possible, use its reasonable best efforts to effect the registration under the Securities Act of (i) such Registrable Securities which Atlas Pipeline Holdings has been so requested to register by such Holders and (ii) all
other Registrable Securities which Atlas Pipeline Holdings has been requested to register by any other Holder (which request shall specify the amount and intended method of disposition of such Registrable Securities, including an Underwritten
Offering) to the extent necessary to permit the disposition (in accordance with the intended method thereof as aforesaid) of the Registrable Securities so to be registered. 
 Section 2.02 Piggyback Rights. 
 (a) Participation. If at any time Atlas Pipeline Holdings proposes to file (i) a shelf registration statement other than the Registration Statement (in which event Atlas Pipeline Holdings covenants and agrees to include
thereon a description of the transaction under which the Purchasers acquired the Registrable Securities), (ii) a prospectus supplement to an effective shelf registration statement, other than the Registration Statement contemplated by
Section 2.01 of this Agreement and Holders may be included without the filing of a post-effective amendment thereto, or (iii) a registration statement, other than a shelf registration statement, in either case, for the sale of Common Units
in an Underwritten Offering for its own account and/or another Person, then as soon as practicable but not less than three Business Days prior to the filing of (x) the initial preliminary prospectus supplement relating to such Underwritten
Offering pursuant to Rule 424(b) under the Securities Act, (y) the prospectus supplement relating to 

  

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such Underwritten Offering pursuant to Rule 424(b) under the Securities Act (if no preliminary prospectus supplement is used) or (z) such registration
statement, as the case may be, then Atlas Pipeline Holdings shall give notice (including, but not limited to, notification by electronic mail) of such proposed Underwritten Offering to the Holders and such notice shall offer the Holders the
opportunity to include in such Underwritten Offering such number of Common Units (the “Included Registrable Securities”) as each such Holder may request in writing; provided, however, that if Atlas Pipeline Holdings
has been advised by the Managing Underwriter that the inclusion of Registrable Securities for sale for the benefit of the Holders will have a material adverse effect on the price, timing or distribution of the Common Units in the Underwritten
Offering, then the amount of Registrable Securities to be offered for the accounts of Holders shall be determined based on the provisions of Section 2.02(b) of this Agreement. The notice required to be provided in this Section 2.02(a)
to Holders shall be provided on a Business Day pursuant to Section 3.01 hereof and receipt of such notice shall be confirmed by such Holder. Each such Holder shall then have three Business Days after receiving such notice to request
inclusion of Registrable Securities in the Underwritten Offering. If no request for inclusion from a Holder is received within the specified time, such Holder shall have no further right to participate in such Underwritten Offering. If, at
any time after giving written notice of its intention to undertake an Underwritten Offering and prior to the closing of such Underwritten Offering, Atlas Pipeline Holdings shall determine for any reason not to undertake or to delay such Underwritten
Offering, Atlas Pipeline Holdings may, at its election, give written notice of such determination to the Selling Holders and, (x) in the case of a determination not to undertake such Underwritten Offering, shall be relieved of its obligation to
sell any Included Registrable Securities in connection with such terminated Underwritten Offering, and (y) in the case of a determination to delay such Underwritten Offering, shall be permitted to delay offering any Included Registrable
Securities for the same period as the delay in the Underwritten Offering. Any Selling Holder shall have the right to withdraw such Selling Holder’s request for inclusion of such Selling Holder’s Registrable Securities in such offering
by giving written notice to Atlas Pipeline Holdings of such withdrawal up to and including the time of pricing of such offering. Each Holder’s rights under this Section 2.02(a) shall terminate when such Holder (together with any
Affiliates of such Holder) holds less than $2 million, in aggregate, of Registrable Securities, based on the Unit Price. Notwithstanding the foregoing, any Holder may deliver written notice (an “Opt Out Notice”) to Atlas
Pipeline Holdings requesting that such Holder not receive notice from Atlas Pipeline Holdings of any proposed Underwritten Offering; provided, that such Holder may later revoke any such notice. 
 (b) Priority of Rights. If the Managing Underwriter or Underwriters of any proposed Underwritten Offering of Common Units included in an
Underwritten Offering involving Included Registrable Securities advises Atlas Pipeline Holdings, or Atlas Pipeline Holdings reasonably determines, that the total amount of Registrable Securities that the Selling Holders and any other Persons intend
to include in such offering exceeds the number that can be sold in such offering without being likely to have a material adverse effect on the price, timing or distribution of the Common Units offered or the market for the Common Units, then the
Registrable Securities to be included in such Underwritten Offering shall include the number of Registrable Securities that such Managing Underwriter or Underwriters advises Atlas Pipeline Holdings, or Atlas Pipeline Holdings reasonably determines,
can be sold without having such adverse effect, with such number to be allocated (i) first, to Atlas Pipeline Holdings, and (ii) second, pro rata 

  

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among the Selling Holders who have requested participation in such Underwritten Offering and any other securities of Atlas Pipeline Holdings having rights of
registration on parity with the Registrable Securities (the “Parity Securities”). The pro rata allocations for each such Selling Holder shall be the product of (a) the aggregate number of Registrable Securities proposed to
be sold by all Selling Holders in such Underwritten Offering multiplied by (b) the fraction derived by dividing (x) the number of Registrable Securities owned on the Closing Date by such Selling Holder by (y) the aggregate number of
Registrable Securities owned on the Closing Date by all Selling Holders and holders of Parity Securities participating in the Underwritten Offering.
 Section 2.03 Sale Procedures. In connection with its obligations under this Article II, Atlas Pipeline Holdings will, as expeditiously as possible: 
 (a) prepare and file with the Commission such amendments and supplements to the Registration Statement and the prospectus used in connection therewith as may be necessary to cause the Registration Statement to become
effective and to keep the Registration Statement effective for the Effectiveness Period and as may be necessary to comply with the provisions of the Securities Act with respect to the disposition of all securities covered by the Registration
Statement; 
 (b) furnish to each Selling Holder (i) as far in advance as reasonably practicable before filing the Registration
Statement or any other registration statement contemplated by this Agreement or any supplement or amendment thereto, upon request, copies of reasonably complete drafts of all such documents proposed to be filed (including exhibits and each document
incorporated by reference therein to the extent then required by the rules and regulations of the Commission), and provide each such Selling Holder the opportunity to object to any information pertaining to such Selling Holder and its plan of
distribution that is contained therein and make the corrections reasonably requested by such Selling Holder with respect to such information prior to filing the Registration Statement or such other registration statement or supplement or amendment
thereto, and (ii) such number of copies of the Registration Statement or such other registration statement and the prospectus included therein and any supplements and amendments thereto as such Persons may reasonably request in order to
facilitate the public sale or other disposition of the Registrable Securities covered by such Registration Statement or other registration statement; 
 (c) if applicable, use its commercially reasonable efforts to register or qualify the Registrable Securities covered by the Registration Statement or any other registration statement contemplated by this Agreement
under the securities or blue sky laws of such jurisdictions as the Selling Holders or, in the case of an Underwritten Offering, the Managing Underwriter, shall reasonably request; provided, however, that Atlas Pipeline Holdings will
not be required to qualify generally to transact business in any jurisdiction where it is not then required to so qualify or to take any action which would subject it to general service of process in any such jurisdiction where it is not then so
subject; 
 (d) promptly notify each Selling Holder, at any time when a prospectus relating thereto is required to be delivered by any of
them under the Securities Act, of (i) the filing of the Registration Statement or any other registration statement contemplated by 

  

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this Agreement or any prospectus to be used in connection therewith, or any amendment or supplement thereto, and, with respect to such Registration Statement
or any other registration statement or any post-effective amendment thereto, when the same has become effective; and (ii) the receipt of any written comments from the Commission with respect to any filing referred to in clause (i) and any
written request by the Commission for amendments or supplements to the Registration Statement or any other registration statement or any prospectus or prospectus supplement thereto; 
 (e) immediately notify each Selling Holder, at any time when a prospectus relating thereto is required to be delivered under the Securities Act, of
(i) the happening of any event as a result of which the prospectus or prospectus supplement contained in the Registration Statement or any other registration statement contemplated by this Agreement, 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 then existing; (ii) the issuance or express threat of
issuance by the Commission of any stop order suspending the effectiveness of the Registration Statement or any other registration statement contemplated by this Agreement, or the initiation of any proceedings for that purpose; or (iii) the
receipt by Atlas Pipeline Holdings of any notification with respect to the suspension of the qualification of any Registrable Securities for sale under the applicable securities or blue sky laws of any jurisdiction. Following the provision of
such notice, Atlas Pipeline Holdings agrees to as promptly as practicable amend or supplement the prospectus or take other appropriate action so that the prospectus does 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 then existing and to take such other action as is necessary to remove a stop order, suspension or proceedings related
thereto. Each Selling Holder, upon receipt of notice from Atlas Pipeline Holdings of the happening of any event of the kind described in this Section 2.03(e), shall forthwith discontinue offers and sales of the Registrable Securities until such
Selling Holder’s receipt of the copies of the supplemented or amended prospectus contemplated by this Section 2.03(e) or until it is advised in writing by Atlas Pipeline Holdings that the use of the prospectus may be resumed and has
received copies of any additional or supplemental filings incorporated by reference in the prospectus, and, if so directed by Atlas Pipeline Holdings, such Selling Holder will deliver to Atlas Pipeline Holdings (at Atlas Pipeline Holdings’
expense) all copies in their possession or control, other than permanent file copies then in such Selling Holder’s possession, of the prospectus covering such Registrable Securities current at the time of receipt of such notice; 
 (f) upon request and subject to appropriate confidentiality obligations, furnish to each Selling Holder copies of any and all transmittal letters or
other correspondence with the Commission or any other governmental agency or self-regulatory body or other body having jurisdiction (including any domestic or foreign securities exchange) relating to such offering of Registrable Securities;

 (g) otherwise use its commercially reasonable efforts to comply with all applicable rules and regulations of the Commission, and make
available to its security holders, as soon as reasonably practicable, an earnings statement, which earnings statement shall satisfy the provisions of Section 11(a) of the Securities Act and Rule 158 promulgated thereunder; 
  

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 (h) cause all such Registrable Securities registered pursuant to this Agreement to be listed on each
securities exchange or nationally recognized quotation system on which similar securities issued by Atlas Pipeline Holdings are then listed; 
 (i) use its commercially reasonable efforts to cause the Registrable Securities to be registered with or approved by such other governmental agencies or authorities as may be necessary by virtue of the business and operations of Atlas
Pipeline Holdings to enable the Selling Holders to consummate the disposition of such Registrable Securities; 
 (j) provide a transfer agent
and registrar for all Registrable Securities covered by such registration statement not later than the effective date of such registration statement; 
 (k) enter into customary agreements, take such other actions, and provide reasonable cooperation and access to management, as are reasonably requested by the Selling Holders or the underwriters, if any, in order to
expedite or facilitate the disposition of such Registrable Securities; 
 (l) if requested by a Purchaser: (i) incorporate in a
prospectus supplement or post-effective amendment such information as such Purchaser reasonably requests to be included therein relating to the sale and distribution of Registrable Securities, including information with respect to the number of
Registrable Securities being offered or sold, the purchase price being paid therefor and any other terms of the offering of the Registrable Securities to be sold in such offering; (ii) make all required filings of such prospectus supplement or
post-effective amendment after being notified of the matters to be incorporated in such prospectus supplement or post-effective amendment; and (iii) supplement or make amendments to any Registration Statement; and 
 (m) include in the plan of distribution section of a registration statement the following language with respect to the selling unitholders: 

“The selling unitholders may enter into derivative transactions with third parties, or sell securities not covered by this prospectus to third
parties in privately negotiated transactions. If the applicable prospectus supplement indicates, in connection with those derivatives, the third parties may sell securities covered by this prospectus and the applicable prospectus supplement,
including in short sale transactions. If so, the third party may use securities pledged by the selling unitholders or borrowed from the selling unitholders or others to settle those sales or to close out any related open borrowings of Units, and may
use securities received from the selling unitholders in settlement of those derivatives to close out any related open borrowings of Units.” 
  

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 (n) if the Purchasers are deemed to be “underwriters,” as defined in Section 2(a)(11) of
the Securities Act, in connection with the registration statement in respect of any registration of Registrable Securities pursuant to this Agreement, and any amendment or supplement thereof, then for a period of two years following the Closing
Date, Atlas Pipeline Holdings will cooperate with the Purchasers in allowing the Purchasers to conduct customary “underwriter’s due diligence” with respect to Atlas Pipeline Holdings and satisfy their obligations in respect thereof.
In addition, for a period of one year following the Closing Date at the request of a Purchaser seeking to offer or sell Registrable Securities, Atlas Pipeline Holdings will furnish to such Purchaser, on the date of the effectiveness of any
Registration Statement covering the sale of such Purchaser’s Registrable Securities and thereafter no more often than on a quarterly basis, (i) a letter, dated such date, from Atlas Pipeline Holdings’ independent certified public
accountants in form and substance as is customarily given by independent certified public accountants to underwriters in an underwritten public offering, addressed to such Purchaser, (ii) an opinion, dated as of such date, of counsel
representing Atlas Pipeline Holdings in form, scope and substance as is customarily given in an underwritten public offering, including a standard “10b-5” opinion for such offering, addressed to such Purchaser and (iii) a standard
officer’s certificate from the Chief Executive Officer and Chief Financial Officer of Atlas Pipeline Holdings addressed to such Purchaser. Atlas Pipeline Holdings will also permit one legal counsel to such Purchaser(s) to review and comment
upon any such Registration Statement at least five Business Days prior to its filing with the Commission and all amendments and supplements to any such Registration Statement within a reasonable number of days prior to their filing with the
Commission and not file any such Registration Statement or amendment or supplement thereto in a form to which such Purchaser’s legal counsel reasonably objects. 
 Section 2.04 Cooperation by Holders. Atlas Pipeline Holdings shall have no obligation to include in the Registration Statement Registrable Securities of a Holder, or in an Underwritten Offering pursuant to
Section 2.02 Registrable Securities of a Selling Holder, who has failed to timely furnish such information that Atlas Pipeline Holdings determines, after consultation with counsel, is reasonably required to be furnished or confirmed in order
for the registration statement or prospectus supplement, as applicable, to comply with the Securities Act. 
 Section 2.05
Restrictions on Public Sale by Holders of Registrable Securities. For a period of 365 days from the Closing Date, each Holder of Registrable Securities agrees not to effect any public sale or distribution of the Registrable Securities for a
period of up to 30 days following completion of an Underwritten Offering of equity securities by Atlas Pipeline Holdings (except as provided in this Section 2.05); provided, however, that the duration of the foregoing restrictions
shall be no longer than the duration of the shortest restriction generally imposed by the underwriters on the executive officers or directors of Atlas Pipeline Holdings on whom a restriction is imposed in connection with such public
offering. In addition, the provisions of this Section 2.05 shall not apply with respect to a Holder that (A) owns less than $2 million, in aggregate, of Registrable Securities based on the Unit Price or (B) has delivered an Opt
Out Notice to Atlas Pipeline Holdings pursuant to Section 2.02(a) hereof; provided, further, the above shall not apply, in the case of a Purchaser that is a large multi-unit investment or commercial banking organization, to
activities in the normal course of trading units of such Purchaser other than the Participating Unit, so long as such other units are not acting on behalf of the Participating Unit and have not been provided with confidential information regarding
Atlas Pipeline Holdings by the Participating Unit. 
  

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 Section 2.06 Expenses. 
 (a) Certain Definitions. “Registration Expenses” means all expenses incident to Atlas Pipeline Holdings’ performance
under or compliance with this Agreement to effect the registration of Registrable Securities on the Registration Statement pursuant to Section 2.01 hereof or an Underwritten Offering covered under this Agreement, and the disposition of such
securities, including, without limitation, all registration, filing, securities exchange listing and The New York Stock Exchange fees, all registration, filing, qualification and other fees and expenses of complying with securities or blue sky laws,
fees of the National Association of Securities Dealers, Inc., transfer taxes and fees of transfer agents and registrars, all word processing, duplicating and printing expenses and the fees and disbursements of one counsel to the Holders and the
independent public accountants for Atlas Pipeline Holdings, including the expenses of any special audits or “cold comfort” letters required by or incident to such performance and compliance. “Selling Expenses” means
all underwriting fees, discounts and selling commissions allocable to the sale of the Registrable Securities. 
 (b)
Expenses. Atlas Pipeline Holdings will pay all reasonable Registration Expenses as determined in good faith, including, in the case of an Underwritten Offering, whether or not any sale is made pursuant to such Underwritten
Offering. In addition, except as otherwise provided in Section 2.07 hereof, Atlas Pipeline Holdings shall not be responsible for legal fees incurred by Holders in connection with the exercise of such Holders’ rights
hereunder. Each Selling Holder shall pay its pro rata share of all Selling Expenses in connection with any sale of its Registrable Securities hereunder. 
 Section 2.07 Indemnification. 
 (a) By Atlas Pipeline Holdings. In the event of an
offering of any Registrable Securities under the Securities Act pursuant to this Agreement, Atlas Pipeline Holdings will indemnify and hold harmless each Selling Holder thereunder, its Affiliates that own Registrable Securities and their respective
directors and officers, and each underwriter, pursuant to the applicable underwriting agreement with such underwriter, of Registrable Securities thereunder and each Person, if any, who controls such Selling Holder or underwriter within the meaning
of the Securities Act and the Exchange Act, and its directors and officers (collectively, the “Selling Holder Indemnified Persons”), against any losses, claims, damages, expenses or liabilities (including reasonable attorneys’
fees and expenses) (collectively, “Losses”), joint or several, to which such Selling Holder Indemnified Person may become subject under the Securities Act, the Exchange Act or otherwise, insofar as such Losses (or actions or
proceedings, whether commenced or threatened, in respect thereof) arise out of or are based upon any untrue statement or alleged untrue statement of any material fact contained in the Registration Statement or any other registration statement
contemplated by this Agreement, any preliminary prospectus, free writing prospectus or final prospectus contained therein, or any amendment or supplement thereof, arise out of or are based upon the omission or alleged omission to state therein a
material fact required to be stated therein or necessary to make the statements therein (in the case of a prospectus, in light of the circumstances under which they were made) not misleading or arise out of or are based upon a Selling Holder being
deemed to be an “underwriter,” as defined in Section 2(a)(11) of the Securities Act, in connection with the registration statement in respect of any registration of Atlas Pipeline Holdings’ securities, and will reimburse each
such Selling 

  

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Holder Indemnified Person for any legal or other expenses reasonably incurred by them in connection with investigating or defending any such Loss or actions
or proceedings; provided, however, that Atlas Pipeline Holdings will not be liable in any such case if and to the extent that any such Loss arises out of or is based upon an untrue statement or alleged untrue statement or omission or
alleged omission so made in strict conformity with information furnished by such Selling Holder Indemnified Person in writing specifically for use in the Registration Statement or such other registration statement, or prospectus supplement, as
applicable. Such indemnity shall remain in full force and effect regardless of any investigation made by or on behalf of such Selling Holder or any such Selling Holder, its directors or officers or any underwriter or controlling Person, and
shall survive the transfer of such securities by such Selling Holder. 
 (b) By Each Selling Holder. Each Selling Holder agrees
severally and not jointly to indemnify and hold harmless Atlas Pipeline Holdings, its directors and officers, and each Person, if any, who controls Atlas Pipeline Holdings within the meaning of the Securities Act or of the Exchange Act, and its
directors and officers, to the same extent as the foregoing indemnity from Atlas Pipeline Holdings to the Selling Holders, but only with respect to information regarding such Selling Holder furnished in writing by or on behalf of such Selling Holder
expressly for inclusion in the Registration Statement or any preliminary prospectus or final prospectus included therein, or any amendment or supplement thereto; provided, however, that the liability of each Selling Holder shall not be
greater in amount than the dollar amount of the proceeds (net of any Selling Expenses) received by such Selling Holder from the sale of the Registrable Securities giving rise to such indemnification. 
 (c) Notice. Promptly after receipt by an indemnified party hereunder of notice of the commencement of any action, such indemnified party
shall, if a claim in respect thereof is to be made against the indemnifying party hereunder, notify the indemnifying party in writing thereof, but the omission so to notify the indemnifying party shall not relieve it from any liability which it may
have to any indemnified party other than under this Section 2.07. In any action brought against any indemnified party, it shall notify the indemnifying party of the commencement thereof. The indemnifying party shall be entitled to
participate in and, to the extent it shall wish, to assume and undertake the defense thereof 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 and undertake the defense thereof, the indemnifying party shall not be liable to such indemnified party under this Section 2.07 for any legal expenses subsequently incurred by such indemnified party in connection with the defense thereof
other than reasonable costs of investigation and of liaison with counsel so selected; provided, however, that, (i) if the indemnifying party has failed to assume the defense or employ counsel reasonably acceptable to the
indemnified party or (ii) if the defendants in any such action include both the indemnified party and the indemnifying party and counsel to the indemnified party shall have concluded that there may be reasonable defenses available to the
indemnified party that are different from or additional to those available to the indemnifying party, or if the interests of the indemnified party reasonably may be deemed to conflict with the interests of the indemnifying party, then the
indemnified party shall have the right to select a separate counsel and to assume such legal defense and otherwise to participate in the defense of such action, with the reasonable expenses and fees of such separate counsel and other reasonable
expenses related to such participation to be reimbursed by the indemnifying party as incurred. Notwithstanding any other provision of this Agreement, no indemnifying party shall settle any action brought against an indemnified party with
respect to which the indemnified party is entitled to indemnification 

  

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hereunder without the consent of the indemnified party, unless the settlement thereof imposes no liability or obligation on, and includes a complete and
unconditional release from all liability of, the indemnified party. 
 (d) Contribution. If the indemnification provided for in
this Section 2.07 is held by a court or government agency of competent jurisdiction to be unavailable to any indemnified party or is insufficient to hold them harmless in respect of any Losses, then each such indemnifying party, in lieu of
indemnifying such indemnified party, shall contribute to the amount paid or payable by such indemnified party as a result of such Loss in such proportion as is appropriate to reflect the relative fault of the indemnifying party on the one hand and
of such indemnified party on the other in connection with the statements or omissions which resulted in such Losses, as well as any other relevant equitable considerations; provided, however, that in no event shall such Selling Holder
be required to contribute an aggregate amount in excess of the dollar amount of proceeds (net of Selling Expenses) received by such Selling Holder from the sale of Registrable Securities giving rise to such indemnification. The relative fault
of the indemnifying party on the one hand and the indemnified party on the other 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 has been made by, or relates to, information supplied by such party, and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. The parties hereto
agree that it would not be just and equitable if contributions pursuant to this paragraph were to be determined by pro rata allocation or by any other method of allocation which does not take account of the equitable considerations referred to
herein. The amount paid by an indemnified party as a result of the Losses referred to in the first sentence of this paragraph shall be deemed to include any legal and other expenses reasonably incurred by such indemnified party in connection
with investigating or defending any Loss which is the subject of this paragraph. 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 is not guilty of such fraudulent misrepresentation. 
 (e) Other Indemnification. The provisions of this Section 2.07
shall be in addition to any other rights to indemnification or contribution which an indemnified party may have pursuant to law, equity, contract or otherwise. 
 Section 2.08 Rule 144 Reporting. With a view to making available the benefits of certain rules and regulations of the Commission that may permit the sale of the Registrable Securities to the public without
registration, Atlas Pipeline Holdings agrees to use its commercially reasonable efforts to: 
 (a) make and keep public information regarding
Atlas Pipeline Holdings available, as those terms are understood and defined in Rule 144 under the Securities Act, at all times from and after the date hereof; 
 (b) file with the Commission in a timely manner all reports and other documents required of Atlas Pipeline Holdings under the Securities Act and the Exchange Act at all times from and after the date hereof; and

  

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 (c) so long as a Holder owns any Registrable Securities, furnish, unless otherwise not available at no
charge by access electronically to the Commission’s EDGAR filing system, to such Holder forthwith upon request a copy of the most recent annual or quarterly report of Atlas Pipeline Holdings, and such other reports and documents so filed as
such Holder may reasonably request in availing itself of any rule or regulation of the Commission allowing such Holder to sell any such securities without registration. 
 Section 2.09 Transfer or Assignment of Registration Rights. The rights to cause Atlas Pipeline Holdings to register Registrable Securities granted to the Purchasers by Atlas Pipeline Holdings under this
Article II may be transferred or assigned by any Purchaser to one or more transferee(s) or assignee(s) of such Registrable Securities or by total return swap; provided, however, that, except with respect to a total return swap,
(a) unless such transferee is an Affiliate of such Purchaser or another Purchaser, each such transferee or assignee holds Registrable Securities in the amount of $5 million, based on the Unit Price, (b) Atlas Pipeline Holdings is given
written notice prior to any said transfer or assignment, stating the name and address of each such transferee and identifying the securities with respect to which such registration rights are being transferred or assigned, and (c) each such
transferee assumes in writing responsibility for its portion of the obligations of such Purchaser under this Agreement. 
 Section 2.10
Limitation on Subsequent Registration Rights. From and after the date hereof, Atlas Pipeline Holdings shall not, without the prior written consent of the Holders of Registrable Securities, (i) enter into any agreement with any current or
future holder of any securities of Atlas Pipeline Holdings that would allow such current or future holder to require Atlas Pipeline Holdings to include securities in any registration statement filed by Atlas Pipeline Holdings on a basis that is
superior in any way to the piggyback rights granted to the Purchasers hereunder or (ii) grant registration rights to any other Person that would be superior to the Purchasers’ registration rights hereunder. 
 ARTICLE III 
 MISCELLANEOUS

 Section 3.01 Communications. All notices and other communications provided for or permitted hereunder shall be made in
writing by facsimile, electronic mail, courier service or personal delivery: 
 (a) if to Atlas Pipeline Holdings, to the address set forth on
its signature page; 
 (b) if to a Purchaser, to the address set forth on Exhibit A; and 
 (c) if to a transferee of a Purchaser, to such Holder at the address provided pursuant to Section 2.09 hereof. 
 All such notices and communications shall be deemed to have been received: at the time delivered by hand, if personally delivered; when receipt
acknowledged, if sent via facsimile or electronic mail; and when actually received, if sent by courier service or any other means. 
  

 14 

 Section 3.02 Successor and Assigns. This Agreement shall inure to the benefit of and be
binding upon the successors and assigns of each of the parties, including subsequent Holders of Registrable Securities to the extent permitted herein. 
 Section 3.03 Aggregation of Purchased Units. All Purchased Units held or acquired by Persons who are Affiliates of one another shall be aggregated together for the purpose of determining the availability
of any rights under this Agreement. 
 Section 3.04 Recapitalization, Exchanges, Etc. Affecting the Units. The provisions of this
Agreement shall apply to the full extent set forth herein with respect to any and all units of Atlas Pipeline Holdings or any successor or assign of Atlas Pipeline Holdings (whether by merger, consolidation, sale of assets or otherwise) which may be
issued in respect of, in exchange for or in substitution of, the Registrable Securities, and shall be appropriately adjusted for combinations, unit splits, recapitalizations and the like occurring after the date of this Agreement, including any
issuance pursuant to Section 5.01 of the Purchase Agreement. 
 Section 3.05 Change of Control. Atlas Pipeline Holdings
shall not merge, consolidate or combine with any other Person unless the agreement providing for such merger, consolidation or combination expressly provides for the continuation of the registration rights specified in this Agreement with respect to
the Registrable Securities or other equity securities issued pursuant to such merger, consolidation or combination. 
 Section 3.06
Specific Performance. Damages in the event of breach of this Agreement by a party hereto may be difficult, if not impossible, to ascertain, and it is therefore agreed that each such Person, in addition to and without limiting any other remedy
or right it may have, will have the right to an injunction or other equitable relief in any court of competent jurisdiction, enjoining any such breach, and enforcing specifically the terms and provisions hereof, and each of the parties hereto hereby
waives any and all defenses it may have on the ground of lack of jurisdiction or competence of the court to grant such an injunction or other equitable relief. The existence of this right will not preclude any such Person from pursuing any
other rights and remedies at law or in equity which such Person may have. 
 Section 3.07 Counterparts. This Agreement may be
executed in any number of counterparts and by different parties hereto in separate counterparts, each of which counterparts, when so executed and delivered, shall be deemed to be an original and all of which counterparts, taken together, shall
constitute but one and the same Agreement. 
 Section 3.08 Headings. The headings in this Agreement are for convenience of
reference only and shall not limit or otherwise affect the meaning hereof. 
 Section 3.09 Governing Law. The Laws of the State
of New York shall govern this Agreement without regard to principles of conflict of Laws. 
 Section 3.10 Severability of
Provisions. Any provision of this Agreement which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining
provisions hereof or affecting or impairing the validity or enforceability of such provision in any other jurisdiction. 
  

 15 

 Section 3.11 Entire Agreement. This Agreement is intended by the parties as a final
expression of their agreement and 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. There are no restrictions, promises, warranties or
undertakings, other than those set forth or referred to herein with respect to the rights granted by Atlas Pipeline Holdings set forth herein. This Agreement and the Purchase Agreement supersede all prior agreements and understandings between
the parties with respect to such subject matter. 
 Section 3.12 Amendment. This Agreement may be amended only by means of a
written amendment signed by Atlas Pipeline Holdings and the Holders of a majority of the then outstanding Registrable Securities; provided, however, that no such amendment shall materially and adversely affect the rights of any Holder
hereunder without the consent of such Holder. 
 Section 3.13 No Presumption. If any claim is made by a party relating to any
conflict, omission or ambiguity in this Agreement, no presumption or burden of proof or persuasion shall be implied by virtue of the fact that this Agreement was prepared by or at the request of a particular party or its counsel. 
 Section 3.14 Obligations Limited to Parties to Agreement. Each of the Parties hereto covenants, agrees and acknowledges that no Person other
than the Purchasers (and their permitted assignees) and Atlas Pipeline Holdings shall have any obligation hereunder and that, notwithstanding that one or more of the Purchasers may be a corporation, partnership or limited liability company, no
recourse under this Agreement or the Purchase Agreement or under any documents or instruments delivered in connection herewith or therewith shall be had against any former, current or future director, officer, employee, agent, general or limited
partner, manager, member, stockholder or Affiliate of any of the Purchasers or any former, current or future director, officer, employee, agent, general or limited partner, manager, member, stockholder or Affiliate of any of the foregoing, whether
by the enforcement of any assessment or by any legal or equitable proceeding, or by virtue of any applicable Law, it being expressly agreed and acknowledged that no personal liability whatsoever shall attach to, be imposed on or otherwise be
incurred by any former, current or future director, officer, employee, agent, general or limited partner, manager, member, stockholder or Affiliate of any of the Purchasers or any former, current or future director, officer, employee, agent, general
or limited partner, manager, member, stockholder or Affiliate of any of the foregoing, as such, for any obligations of the Purchasers under this Agreement or the Purchase Agreement or any documents or instruments delivered in connection herewith or
therewith or for any claim based on, in respect of or by reason of such obligation or its creation. 
 [The remainder of this page is
intentionally left blank] 
  

 16 

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

					
		 	ATLAS PIPELINE HOLDINGS, L.P.
		 	By Atlas Pipeline Holdings GP, LLC
			
		 	By:	 	  

		 	Name:	 	
		 	Title:	 	
		
	 Address for notices:
	 	Atlas Pipeline Partners Resources, LLC
		 	 311 Rouser Road
 Moon Township, PA
15108

		 	Fax:	 	412-262-2820
		 	Attn:	 	Matthew A. Jones
		
		 	 After July 6, 2007:
 West
Pointe Corporate Center I
 1550 Coraopolis Heights Road, Second Floor
 Moon Township, PA 15108

		 
		 
		 
		
	 With copies to:
	 	 Ledgewood
 1900 Market Street,
Suite 750
 Philadelphia, PA 19103

		 
		 
		 	Fax:	 	215-735-2513
		 	Attn:	 	Lisa A. Ernst
		
		 	 Jones Day
 77 W. Wacker
Drive
 Chicago, IL 60601

		 
		 
		 	Fax:	 	312-782-8585
		 	Attn:	 	Timothy J. Melton

 Signature Page to Atlas Pipeline Holdings Registration Rights Agreement 

 IN WITNESS WHEREOF, the Parties hereto execute this Agreement, effective as of the date first above
written. 
  

			
	[Purchaser]
		
	By:	 	  

	Name:	 	
	Title:	 	

			
		
	Address:	 	  

		 	  

		 	  

		
	Phone Number:	 	  

 Signature Page to Atlas Pipeline Holdings Registration Rights Agreement 

 EXHIBIT A 
 [PURCHASERS] 
  

 Ex. A 

 EXHIBIT D 
 FORM OF LOCK-UP LETTER 
             , 2007 
 [PURCHASERS] 
 Ladies and Gentlemen: 
 This letter is being
delivered to pursuant to Section 6.02(f) of the Common Unit Purchase Agreement dated as of June 1, 2007 (the “Agreement”), by and among Atlas Pipeline Holdings, L.P., a Delaware limited partnership (“Atlas Pipeline
Holdings”), and each of you as the purchasers listed on Schedule 2.01 to the Agreement (the “Purchasers”) relating to the issuance and sale of the Purchased Units in Atlas Pipeline Holdings. Capitalized terms used but not
defined herein have the meaning assigned to them in the Agreement. 
 In order to induce you to enter into the Agreement, the undersigned
will not, without the prior written consent of the Purchasers, offer, sell, contract to sell, pledge or otherwise dispose of (or enter into any transaction that is designed to, or might reasonably be expected to, result in the disposition (whether
by actual disposition or effective economic disposition due to cash settlement or otherwise) by the undersigned or any affiliate of the undersigned or any person in privity with the undersigned or any affiliate of the undersigned), directly or
indirectly, including the filing (or participation in the filing) of a registration statement with the Securities and Exchange Commission in respect of, or establish or increase a put equivalent position or liquidate or decrease a call equivalent
position within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Securities and Exchange Commission promulgated thereunder with respect to, any Common Units of Atlas Pipeline
Holdings or any securities convertible into, or exercisable or exchangeable for such Common Units, or publicly announce an intention to effect any such transaction, for a period beginning on the date hereof until 90 days after the date the
registration statement becomes effective as set forth in Section 2.01 of the Registration Rights Agreement. 
 Notwithstanding the
foregoing paragraph, if (i) during the last 17 days of the lock-up period set forth above (the “Lock-up Period”), Atlas Pipeline Holdings issues an earnings release or announces material news or a material event; or
(ii) prior to the expiration of the Lock-up Period, Atlas Pipeline Holdings announces that it will release earnings results during the 16-day period beginning on the last day of the Lock-up Period, then the restrictions described in the
preceding paragraph will continue to apply until the expiration of the 18-day period beginning on the issuance of the earnings release or the announcement of the material news or material event; provided, however, that the extension
provided for by this sentence shall no longer apply when Atlas Pipeline Holdings is eligible to use Form S-3 and meets the definition of “actively traded securities” in Regulation M. 
  

 Ex. D 

 If for any reason the Agreement shall be terminated prior to the Closing Date, the agreement set forth
above shall likewise be terminated. 
  

			
	 Yours very truly,

	
	 ATLAS AMERICA, INC.

		
	 By:
	 	  

	 Name:
	 	  

	 Title:
	 	  

  

 Ex. D

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