Document:

EX-4.1

 Exhibit 4.1 

Execution Version 

REGISTRATION RIGHTS AGREEMENT 

BY AND AMONG 
 CRESTWOOD
MIDSTREAM PARTNERS LP 
 AND 

THE PURCHASERS NAMED ON SCHEDULE A HERETO 

This REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is made and entered into as of June 17, 2014, by and among
Crestwood Midstream Partners LP, a Delaware limited partnership (the “Partnership”), and each of the Persons set forth on Schedule A to this Agreement (each, a “Purchaser” and collectively, the
“Purchasers”). 
 WHEREAS, this Agreement is made in connection with the initial closing, and subsequent closings, if any,
of the issuance and sale of the Purchased Units pursuant to the Class A Preferred Unit Purchase Agreement, dated as of June 17, 2014 (the date of such initial closing, the “Initial Closing Date”), by and among the
Partnership and the Purchasers (the “Preferred Unit Purchase Agreement”); and 
 WHEREAS, the Partnership has agreed to
provide the registration and other rights set forth in this Agreement for the benefit of the Purchasers pursuant to the Preferred Unit Purchase 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 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 Preferred
Unit Purchase Agreement. The terms set forth below are used herein as so defined: 
 “Affiliate” means, with respect to any
Person, any other Person that directly or indirectly through one or more intermediaries controls, is controlled by or is under common control with, the Person in question. As used herein, the term “control” means the possession, direct or
indirect, of the power to direct or cause the direction of the management and policies of a Person, whether through ownership of voting securities, by contract or otherwise. For avoidance of doubt, for purposes of this Agreement, (i) the
Partnership, on the one hand, and the Purchasers, on the other hand, shall not be considered Affiliates (ii) any fund or account managed, advised or sub-advised, directly or indirectly, by GSO or its Affiliates, shall be considered an Affiliate
of GSO; and (iii) any fund or account managed, advised or sub-advised, directly or indirectly, by Magnetar or its Affiliates, shall be considered an Affiliate of Magnetar. 

“Agreement” has the meaning specified therefor in the introductory paragraph of this Agreement. 

“Amended Partnership Agreement” means Amendment No. 3 to the First Amended and Restated Agreement of Limited Partnership
of the Partnership, as amended as of the Initial Closing Date. 
 “Automatic Shelf Registration Statement” means a
registration statement that shall become effective upon filing with the Commission pursuant to Rule 462(e) (or any successor or similar provision adopted by the Commission then in effect) under the Securities Act. 

“Business Day” means any day other than a Saturday, Sunday, any federal legal holiday or day on which banking institutions in
the State of New York or State of Texas are authorized or required by law or other governmental action to close. 
 “Class A
Preferred Unit Distribution Amount” has the meaning specified therefor in Section 5.12(c)(i)(A) of the Amended Partnership Agreement. 

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

“Common Unit Price” means the ICD Purchase Price. 

“Common Unit Registrable Securities” means (i) the Common Units issued or issuable upon the conversion of the Preferred
Units (including PIK Units) acquired by the Purchasers pursuant to the Preferred Unit Purchase Agreement or, in the case of PIK Units, pursuant to the Amended Partnership Agreement, and (ii) any Common Units issued as Liquidated Damages
pursuant to Section 2.01(b) of this Agreement, and includes any type of interest issued to the Holder as a result of Section 3.04 of this Agreement. 

“Common Units” has the meaning specified therefor in Article I of the Amended Partnership Agreement. 

“Demand Holder” means any GSO Holder or Magnetar Holder. 

“Demand Holder Requested Underwritten Offering” has the meaning specified therefor in Section 2.04 of this
Agreement. 
 “Demand Notice” has the meaning specified therefor in Section 2.01(a) of this Agreement. 

“Demand Notice Date” means the date a Demand Holder delivers a Demand Notice to the Partnership pursuant to
Section 2.01(a) of this Agreement. 
 “Distribution Rate Approval” means, in connection with the Preferred Unit
Registration Option, the Partnership’s written approval to increase the Class A Preferred Unit Distribution Amount to the amount set forth in Section 5.12(c)(ii) of the Amended Partnership Agreement, rather than registering the offer
and resale of the Preferred Units acquired by the Purchasers under the Preferred Unit Purchase Agreement. For purposes of this Agreement, a Distribution Rate Approval shall irrevocably terminate the Preferred Unit Registration Option and any
obligation under this Agreement that the Partnership register the offer and resale of the Preferred Units (excluding, however, the Common Units issuable upon conversion of the Preferred Units). 

“Effectiveness Period” means, (i) with respect to a particular Registration Statement that covers the offer and resale
of all Common Unit Registrable Securities, the period beginning when such Registration Statement becomes effective under the Securities Act and ending at the time all Common Unit Registrable Securities covered by such Registration Statement have
ceased to be Registrable Securities and (ii) with respect to a particular Registration Statement that covers the offer and resale of Preferred Unit Registrable Securities, the period beginning when such Registration Statement becomes effective
under the Securities Act and ending at the time all Registrable Securities (including Common Units issuable upon any conversion of such Preferred Unit Registrable Securities) covered by such Registration Statement have ceased to be Registrable
Securities. 
 “Exchange Act” means the Securities and Exchange Act of 1934, as amended. 

“Forced Conversion” means any conversion of Preferred Units into Common Units pursuant to Section 5.12(b)(ii) of the
Amended Partnership Agreement. 
 “General Partner” means Crestwood Midstream GP LLC, a Delaware limited liability company.

 “Governmental Authority” means any federal, state, local or foreign government, or other governmental, regulatory or
administrative authority, agency or commission or any court, tribunal, or judicial or arbitral body. 
 “GSO” means GSO
Capital Partners LP. 
 “GSO Holder” means any of GSO and its Affiliates, when such Person is a record holder of any
Registrable Securities, and any other record holder of Registrable Securities transferred or assigned by a GSO Holder to such holder in accordance with Section 2.11 of this Agreement, provided, however, that such transferee or
assignee (together with such transferee or assignee‘s Affiliates) holds Registrable Securities that represent at least $50.0 million of Registrable Securities (calculated based on the Registrable Securities Amount). 

 “Holder” means the record holder of any Registrable Securities. For the
avoidance of doubt, in accordance with Section 3.05 of this Agreement, for purposes of determining the availability of any rights and applicability of any obligations under this Agreement, including, calculating the amount of Registrable
Securities held by a Holder (including a GSO Holder or Magnetar Holder), a Holder’s Registrable Securities shall be aggregated together with all Registrable Securities held by other Holders who are Affiliates of such Holder. 

“ICD Purchase Price” has the meaning specified therefor in the Preferred Unit Purchase Agreement. 

“In-Kind LD Amount” has the meaning specified therefor in Section 2.01(b) of this Agreement. 

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

“Initial Closing Date” has the meaning specified therefor in the recitals of this Agreement. 

“Initial Filing Date” has the meaning specified therefor in Section 2.01(a) of this Agreement. 

“Launch” has the meaning specified therefor in Section 2.04 of this Agreement. 

“Law” means any statute, law, ordinance, regulation, rule, order, code, governmental restriction, decree, injunction or other
requirement of law, or any judicial or administrative interpretation thereof, of any Governmental Authority. 
 “LD Period”
has the meaning specified therefor in Section 2.01(b) of this Agreement. 
 “LD Termination Date” has the
meaning specified therefor in Section 2.01(b) of this Agreement. 
 “Liquidated Damages” has the meaning
specified therefor in Section 2.01(b) of this Agreement. 
 “Liquidated Damages Multiplier” means, (i) for
Common Unit Registrable Securities, the product of the Common Unit Price times the number of Common Units (which in the case of Common Units subject to issuance upon conversion of the Preferred Units shall be the number of Common Units issuable upon
conversion of the Preferred Units at the date of determination) held by such Holder that may not be sold without restriction and without the need for current public information pursuant to any section of Rule 144 (or any successor or similar
provision adopted by the Commission then in effect) under the Securities Act and (ii) for Preferred Unit Registrable Securities, the product of the Common Unit Price times the number of Common Units issuable upon conversion of the Preferred
Unit Registrable Securities held by such Holder at the date of determination. 
 “Losses” has the meaning specified
therefor in Section 2.09(a) of this Agreement. 
 “Magnetar” means Magnetar Financial LLC. 

“Magnetar Holder” means any of Magnetar and its Affiliates, when such Person is a record holder of any Registrable
Securities, and any other record holder of Registrable Securities transferred or assigned by a Magnetar Holder to such holder in accordance with Section 2.11 of this Agreement, provided that such transferee or assignee (together with
such transferee or assignee‘s Affiliates) holds Registrable Securities that represent at least $50.0 million of Registrable Securities (calculated based on the Registrable Securities Amount). 

“Managing Underwriter” means, with respect to any Underwritten Offering, the book-running lead manager of such Underwritten
Offering. 
 “NYSE” means The New York Stock Exchange, Inc. 

“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. 

“Partial Forced Conversion” means any Forced Conversion effected for less than all of the then-outstanding Preferred Units.

 “Partnership” has the meaning specified therefor in the introductory paragraph of this Agreement. 

 “Person” means an individual or a corporation, limited liability company,
partnership, joint venture, trust, unincorporated organization, association, government agency or political subdivision thereof or other entity. 

“Piggyback Threshold Amount” means, $10.0 million initially, or upon the occurrence of any Partial Forced Conversion, an
amount equal to the product resulting from the multiplication of (i) $10.0 million by (ii) the result of (A) 1.0 minus (B) the fraction obtained by dividing (1) the aggregate number of Preferred Units in respect of which the
Partnership has effected Partial Forced Conversions by (2) the aggregate number of Preferred Units issued prior to such time pursuant to the Preferred Unit Purchase Agreement. 

“PIK Units” has the meaning specified therefor in Article I of the Amended Partnership Agreement. 

“Post-Launch Withdrawing Selling Holders” has the meaning specified therefor in Section 2.04 of this Agreement.

 “Preferred Units” means Class A Preferred Units (including PIK Units) representing limited partnership interests of
the Partnership, as described in the Amended Partnership Agreement and issued pursuant to the Preferred Unit Purchase Agreement or the Amended Partnership Agreement, as the case may be. 

“Preferred Unit Purchase Agreement” has the meaning specified therefor in the recitals of this Agreement. 

“Preferred Unit Registrable Securities” means Preferred Units outstanding at any time after the Preferred Unit Registration
Approval. 
 “Preferred Unit Registration Approval” means, in connection with the Preferred Unit Registration Option, the
Partnership’s written approval (or deemed approval at the Registration Option Deadline) to register the offer and resale of the Preferred Units (including the number of Common Units issuable upon any conversion of such Preferred Units) rather
than increasing the Class A Preferred Unit Distribution Amount to the amount set forth in Section 5.12(c)(ii) of the Amended Partnership Agreement. 

“Preferred Unit Registration Option” means, the Partnership’s option, after receiving a Preferred Unit Registration
Option Notice, to determine whether to (i) register the offer and resale of the Preferred Units or (ii) increase the Class A Preferred Unit Distribution Amount to the amount set forth in Section 5.12(c)(ii) of the Amended
Partnership Agreement 
 “Preferred Unit Registration Option Notice” means the Demand Notice made by a Demand Holder to the
Partnership during the Preferred Unit Registration Option Period that requests the Partnership register the offer and resale of the Preferred Unit Registrable Securities. 

“Preferred Unit Registration Option Period” means, at any time after June 17, 2019, any period during which a VWAP
Trigger Event is occurring. 
 “Purchaser” and “Purchasers” have the meanings specified therefor in the
introductory paragraph of this Agreement. 
 “Registrable Securities” means, as of any date of determination, the Common
Unit Registrable Securities and the Preferred Unit Registrable Securities. 
 “Registrable Securities Amount” means,
(i) for the Common Unit Registrable Securities, the calculation based on the product of the Common Unit Price times the number of Common Unit Registrable Securities; and (ii) for the Preferred Unit Registrable Securities, the calculation
based on the product of the Common Unit Price times the number of Common Units issuable upon conversion of the Preferred Unit Registrable Securities 

“Registration Effective Date” has the meaning specified therefore in Section 2.01(a) of this Agreement. 

“Registration Expenses” has the meaning specified therefor in Section 2.08(b) of this Agreement. 

“Registration Option Deadline” means the earlier to occur of (i) the date the Partnership decides to make the Preferred
Unit Registration Approval or the Distribution Rate Approval; and (ii) fifteen (15) calendar days after receipt of the Preferred Unit Registration Option Notice. For the avoidance of doubt, if the Partnership has not

 
provided written notice to the Holders of Registrable Securities that it intends to increase the Class A Preferred Unit Distribution Amount to the amount set forth in
Section 5.12(c)(ii) of the Amended Partnership Agreement prior to the Registration Option Deadline, the Partnership will be deemed to have made a Preferred Unit Registration Approval, and such deemed determination may not be modified without
approval of such modification by the Holders of at least 75% of the then outstanding Preferred Unit Registrable Securities. 

“Registration Statement” has the meaning specified therefor in Section 2.01(a) of this Agreement. 

“Securities Act” means the Securities Act of 1933, as amended. 

“Selling Expenses” has the meaning specified therefor in Section 2.08(b) 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 2.09(a) of this Agreement.

 “Target Effective Date” has the meaning specified therefor in Section 2.01(b) of this Agreement. 

“Underwritten Offering” means an offering (including an offering pursuant to a Registration Statement) in which Common Units
or Preferred Units, as the case may be, are sold to one or more underwriters on a firm commitment basis for reoffering to the public or an offering that is a “bought deal” with one or more investment banks. 

“Underwritten Offering Notice” has the meaning specified therefor in Section 2.04 of this Agreement. 

“VWAP Price” means, for each such period of measurement, the volume weighted average closing price of a Common Unit on the
national securities exchange on which the Common Units are then listed (or admitted to trading). 
 “VWAP Trigger Event”
means at any time after June 17, 2019, the failure of the VWAP Price of the Common Units for 20 trading days out of the most recent period of 30 consecutive trading days to be equal to or exceed 110% of the Initial Unit Issue Price. 

Section 1.02 Registrable Securities. Any Registrable Security will cease to be a Registrable Security (a) when a registration
statement covering such Registrable Security becomes or has been declared effective by the Commission and such Registrable Security has been sold or disposed of pursuant to such effective registration statement; (b) when such Registrable
Security has been sold or disposed of (excluding transfers or assignments by a Holder to an Affiliate) pursuant to Rule 144 (or any successor or similar provision adopted by the Commission then in effect) under the Securities Act under circumstances
in which all of the applicable conditions of such Rule (then in effect) are met; (c) when such Registrable Security is held by the Partnership or one of its subsidiaries or Affiliates; provided, however, that none of the Purchasers or
their Affiliates shall be considered an Affiliate of the Partnership; or (d) when such Registrable Security has been sold or disposed of in a private transaction in which the transferor’s rights under this Agreement are not assigned to the
transferee of such securities pursuant to Section 2.11 hereof. 
 ARTICLE II 

REGISTRATION RIGHTS 

Section 2.01 Registration. 
 (a)
Effectiveness Deadline. No later than 15 Business Days following the Initial Closing Date, the Partnership shall use its reasonable best efforts to prepare and file a registration statement under the Securities Act to permit the public resale
of all Registrable Securities to be issued upon conversion of the Preferred Units (including PIK Units reasonably expected to be issued by the Partnership to the Holders of Registrable Securities) pursuant to the provisions of the Amended
Partnership Agreement from time to time as permitted by Rule 415 (or any successor or similar provision adopted by the Commission then in effect) under the Securities Act, on the terms and conditions specified in this Section 2.01 (a
“Common Unit Registration Statement”). The Common Unit Registration 

 
Statement filed with the Commission pursuant to this Section 2.01(a) shall be on Form S-3 (or such successor form thereto permitting shelf registration of securities under the
Securities Act), covering the Common Unit Registrable Securities, which shall contain a prospectus in such form as to permit any Holder to sell its Common Unit Registrable Securities pursuant to Rule 415 (or any successor or similar rule adopted by
the Commission then in effect) under the Securities Act at any time beginning on the effective date thereof; provided, however, that in no event shall the Common Unit Registration Statement be filed on an Automatic Shelf Registration
Statement unless requested by the Holders of a majority of the Common Unit Registrable Securities with 10 Business Days following the Initial Closing Date. The Partnership shall use its reasonable best efforts to cause the Common Unit Registration
Statement filed pursuant to this Section 2.01(a) to become or be declared effective as soon as practicable thereafter, but in no event later than 180 calendar days after the initial filing date of such Common Unit Registration Statement.
The Common Unit Registration Statement shall provide for the resale pursuant to any method or combination of methods legally available to, and requested by, the Holders of Common Unit Registrable Securities covered by such Common Unit Registration
Statement, including by way of an Underwritten Offering. During the Effectiveness Period, the Partnership shall use its reasonable best efforts to cause such Registration Statement filed pursuant to this Section 2.01(a) to remain
effective, and to be supplemented and amended to the extent necessary to ensure that such Common Unit Registration Statement is available or, if not available, that another registration statement is available for the resale of the Common Unit
Registrable Securities until all Common Unit Registrable Securities have ceased to be Registrable Securities. 
 Any Demand Holder has the
option and right, exercisable by providing a written notice to the Partnership (each a “Demand Notice”), to require the Partnership to, pursuant to the terms of and subject to the limitations contained in this Agreement, prepare and
file a registration statement under the Securities Act to permit the public resale of all Preferred Unit Registrable Securities from time to time as permitted by Rule 415 (or any successor or similar provision adopted by the Commission then in
effect) under the Securities Act with respect to Preferred Unit Registrable Securities (the “Preferred Unit Registration Statement,” with each such Common Unit Registration Statement and Preferred Unit Registration Statement, as the
case may be, for purposes of this Agreement, a “Registration Statement”). The Partnership shall file the Preferred Unit Registration Statement (the “Initial Filing Date”) with respect to the Preferred Unit
Registrable Securities, as soon as practicable, but in no event later than 30 calendar days, following the time that the Partnership makes, or is deemed to have made, the Preferred Unit Registration Approval. The Partnership shall use its reasonable
best efforts (i) to cause the Preferred Unit Registration Statement filed, with respect to the Preferred Unit Registrable Securities, pursuant to this Section 2.01(a) to become or be declared effective as soon as practicable
thereafter, but in any event, in the case of a Preferred Unit Registration Statement that is not an Automatic Shelf Registration Statement, prior to the date that is 180 calendar days after the Initial Filing Date for such Preferred Unit
Registration Statement with the Commission and (ii) to cause such Preferred Unit Registration Statement to remain effective, and to be supplemented and amended to the extent necessary to ensure that such Preferred Unit Registration Statement is
available for the resale of all Preferred Unit Registrable Securities covered by such Preferred Unit Registration Statement until all Preferred Unit Registrable Securities covered by such Preferred Unit Registration Statement have ceased to be
Preferred Unit Registrable Securities during the Effectiveness Period. If the Partnership is eligible to use an Automatic Shelf Registration Statement to register the offer and resale of the Preferred Unit Registrable Securities at a Demand Notice
Date, and the Demand Notice requests the Partnership use an Automatic Shelf Registration Statement, the Partnership shall prepare and file an Automatic Shelf Registration Statement with the Commission as promptly as practicable after such Demand
Notice Date (but in no event more than 30 calendar days after such date) covering the Preferred Unit Registrable Securities, which shall contain a prospectus in such form as to permit any Holder to sell its Preferred Unit Registrable Securities
pursuant to Rule 415 (or any successor or similar rule adopted by the Commission then in effect) under the Securities Act at any time beginning on the Initial Filing Date thereof with the Commission. If the Partnership is not eligible to use an
Automatic Shelf Registration Statement to register the offer and resale of the Preferred Unit Registrable Securities at the Demand Notice Date, then it shall not have any obligation under this Section 2.01(a) or any liability for failure
to file the Automatic Shelf Registration Statement, but it shall prepare and file a Registration Statement on Form S-3 (or such successor form thereto permitting shelf registration of securities under the Securities Act) with the Commission as
promptly as practicable after such Demand Notice Date (but in no event more than 30 calendar days after such date) covering the Preferred Unit Registrable Securities, which shall contain a prospectus in such form as to permit any Holder to sell its
Preferred Unit Registrable Securities pursuant to Rule 415 (or any successor or similar rule adopted by the Commission then in effect) under the Securities Act at any time beginning on the effective date thereof. Any Preferred Unit Registration
Statement filed pursuant to this Section 2.01(a) shall provide for the resale pursuant to any method or 

 
combination of methods legally available to, and requested by, the Holders of Preferred Unit Registrable Securities covered by such Preferred Unit Registration Statement, including by way of an
Underwritten Offering, if such an election has been made pursuant to Section 2.04 of this Agreement. The Demand Holders shall have the right to no more than one (1) Preferred Unit Registration Statement to be filed to register the
offer and resale of the Preferred Unit Registrable Securities. For the avoidance of doubt, the Preferred Unit Registration Statement that registers the offer and resale of Preferred Unit Registrable Securities shall also register the offer and sale
of the number of Common Units issuable upon any conversion of such Preferred Unit Registrable Securities. 
 When effective, a Registration
Statement (including the documents incorporated therein by reference) will comply as to form in all material respects with all applicable requirements of the Securities Act and the Exchange Act and will 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 (in the case of any prospectus contained in such Registration Statement, in the light of the circumstances under which a
statement is made). The Partnership shall not include in a Registration Statement contemplated by this Section 2.01(a) any securities which are not Registrable Securities, other than Common Units that are to be offered and sold for the
Partnership’s own account pursuant to an Underwritten Offering, without the prior written consent of each of the Demand Holders that are Holders of Registrable Securities covered by such Registration Statement, which consent shall not be
unreasonably withheld or delayed. With respect to Common Units included in a Registration Statement pursuant to the preceding sentence, if the Managing Underwriter of any proposed Underwritten Offering of Common Units included in an Underwritten
Offering involving Included Registrable Securities advises the Partnership that the total amount of Common Units that the Partnership and the Selling Holders intend to include in such offering exceeds the number that can be sold in such offering
without being likely to have an adverse effect on the price, timing or distribution of the Common Units offered or the market for the Common Units, then the Common Units to be included in such Underwritten Offering shall include the number of Common
Unit Registrable Securities that such Managing Underwriter advises the Partnership can be sold without having such adverse effect, with such number to be allocated (i) first, pro rata among the Selling Holders who have requested participation
in such Underwritten Offering, based, for each Selling Holder, on the percentage derived by dividing (x) the number of Common Unit Registrable Securities proposed to be sold by such Selling Holder by (y) the aggregate number of Common Unit
Registrable Securities proposed to be sold by all Selling Holders and (ii) second, to the Partnership. As soon as practicable following the date that a Registration Statement becomes effective, but in any event within two (2) Business Days
of such date, the Partnership shall provide the Holders with written notice of the effectiveness of such Registration Statement. 
 (b)
Failure to Go Effective. If a Registration Statement required by Section 2.01(a) is not declared effective (i) with respect to Common Unit Registrable Securities, prior to such date as any Preferred Units convert into Common
Units for any reason pursuant to the Amended Partnership Agreement or (ii) with respect to Preferred Unit Registrable Securities, within 180 days after the Initial Filing Date for such Registration Statement (each a “Target Effective
Date”), then each Holder shall be entitled to a payment (with respect to the Registrable Securities of each such Holder), as liquidated damages and not as a penalty, of 0.25% of the Liquidated Damages Multiplier per 30-day period, that
shall accrue daily, for the first 60 days following such Target Effective Date, increasing by an additional 0.25% of the Liquidated Damages Multiplier per 30-day period, that shall accrue daily, for each subsequent 60 days (i.e., 0.5% for 61-120
days, 0.75% for 121-180 days and 1.0% thereafter), 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 (10) Business Days after the end of each such 30-day period. Any Liquidated Damages shall be paid to each Holder in immediately available funds; provided, however, if the Partnership certifies
that it is unable to pay Liquidated Damages in cash because such payment would result in a breach under a credit facility or other debt instrument filed as an exhibit to the Partnership’s periodic reports filed with the Commission, then the
Partnership may pay such Liquidated Damages using as much cash as permitted without breaching any such credit facility or other debt instrument and shall pay the balance of such Liquidated Damages (the “In-Kind LD Amount”) in kind
in the form of the issuance of additional Common Units. Upon any issuance of Common Units as Liquidated Damages, the Partnership shall promptly (i) prepare and file an amendment to such Registration Statement prior to its effectiveness adding
such Common Units to such Registration Statement as additional Registrable Securities and (ii) prepare and file a supplemental listing application with the NYSE (or such other market on which the Registrable Securities are then listed and
traded) to list such additional Common Units. The determination of the number of Common Units to be issued as Liquidated Damages shall be equal to the In-Kind LD Amount divided by the VWAP Price calculated for the consecutive ten (10) trading
day period ending on the close of trading on the trading day immediately preceding 

 
the date on which the Liquidated Damages payment is due, less a discount to such average closing price of 2.00%. The accrual of Liquidated Damages to a Holder shall cease (a “LD
Termination Date,” and, each such period beginning on a Target Effective Date and ending on a LD Termination Date being, a “LD Period”) at the earlier of (i) such Registration Statement becoming effective and
(ii) when such Holder no longer holds Registrable Securities. Any amount of Liquidated Damages shall be prorated for any period of less than 30 calendar days accruing during a LD Period. If the Partnership is unable to cause a Registration
Statement to go effective by the Target Effective Date as a result of an acquisition, merger, reorganization, disposition or other similar transaction, then the Partnership may request a waiver of the Liquidated Damages, and each Holder may
individually grant or withhold its consent to such request in its discretion. For the avoidance of doubt, nothing in this Section 2.01(b) shall relieve the Partnership from its obligations under Section 2.01(a).  

Section 2.02 Piggyback Rights. 

(a) Participation. So long as a Holder has Registrable Securities, if the Partnership proposes to file (i) a shelf registration
statement other than a Registration Statement contemplated by Section 2.01(a), (ii) a prospectus supplement to an effective shelf registration statement, other than a Registration Statement contemplated by
Section 2.01(a) of this Agreement and Holders may be included in such Underwritten Offering without the filing of a post-effective amendment thereto, or (iii) a registration statement, other than a shelf registration statement, in
each case, for the sale of Common Units in an Underwritten Offering for its own account or that of another Person, or both, then as soon as practicable following the selection of the Managing Underwriter for such Underwritten Offering, the
Partnership shall give notice (including, but not limited to, notification by electronic mail) of such Underwritten Offering to each Holder (together with its Affiliates) holding at least the Piggyback Threshold Amount of the then-outstanding Common
Unit Registrable Securities (calculated based on the Common Unit Price) and such notice shall offer such Holders the opportunity to include in such Underwritten Offering such number of Common Unit Registrable Securities (the “Included
Registrable Securities”) as each such Holder may request in writing; provided, however, that (A) the Partnership shall not be required to provide such opportunity to any such Holder that does not offer a minimum of the Piggyback
Threshold Amount of Common Unit Registrable Securities (based on the Common Unit Price), and (B) if the Partnership has been advised by the Managing Underwriter that the inclusion of Common Unit Registrable Securities for sale for the benefit
of the Holders will have an adverse effect on the price, timing or distribution of the Common Units in the Underwritten Offering, then (i) if no Common Unit Registrable Securities can be included in the Underwritten Offering in the opinion of
the Managing Underwriter, the Partnership shall not be required to offer such opportunity to the Holders or (ii) if any Common Unit Registrable Securities can be included in the Underwritten Offering in the opinion of the Managing Underwriter,
then the amount of Common Unit Registrable Securities to be offered for the accounts of Holders shall be determined based on the provisions of Section 2.02(b). Any notice required to be provided in this Section 2.02(a) to
Holders shall be provided on a Business Day and receipt of such notice shall be confirmed by the Holder. Each such Holder shall then have two (2) Business Days (or one (1) Business Day in connection with any overnight or bought
Underwritten Offering) after notice has been delivered to request in writing the inclusion of Common Unit Registrable Securities in the Underwritten Offering. If no written request for inclusion from a Holder is received within the specified time,
each 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, the
Partnership shall determine for any reason not to undertake or to delay such Underwritten Offering, the Partnership 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 as part of such Underwritten Offering 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 Common Unit Registrable Securities in such Underwritten Offering by giving written notice to the Partnership of such withdrawal at or prior to the time of pricing of such
Underwritten Offering. Any Holder may deliver written notice (an “Opt-Out Notice”) to the Partnership requesting that such Holder not receive notice from the Partnership of any proposed Underwritten Offering; provided,
however, that such Holder may later revoke any such Opt-Out Notice in writing. Following receipt of an Opt-Out Notice from a Holder (unless subsequently revoked), the Partnership shall not be required to deliver any notice to such Holder
pursuant to this Section 2.02(a) and such Holder shall no longer be entitled to participate in Underwritten Offerings by the Partnership pursuant to this Section 2.02(a). 

 (b) Priority. Other than situations outlined in Section 2.01 of this
Agreement, if the Managing Underwriter of any proposed Underwritten Offering of Common Units included in an Underwritten Offering involving Included Registrable Securities advises the Partnership that the total amount of Common Units 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 an adverse effect on the price, timing or distribution of the Common Units offered or the
market for the Common Units, then the Common Units to be included in such Underwritten Offering shall include the number of Common Unit Registrable Securities that such Managing Underwriter advises the Partnership can be sold without having such
adverse effect, with such number to be allocated (i) first, to the Partnership, (ii) second, pro rata among the Selling Holders who have requested participation in such Underwritten Offering, based, for each Selling Holder, on the
percentage derived by dividing (x) the number of Common Unit Registrable Securities proposed to be sold by such Selling Holder by (y) the aggregate number of Common Unit Registrable Securities proposed to be sold by all Selling Holders,
and (iii) third, to any other holder of securities of the Partnership having rights of registration that are neither expressly senior nor subordinated to the Holders in respect of the Common Unit Registrable Securities (the “Parity
Securities”), allocated among such holders in such manner as they may agree. 
 (c) Termination of Piggyback Registration
Rights. Each Holder’s rights under Section 2.02 shall terminate upon such Holder (together with its Affiliates) ceasing to hold at least the Piggyback Threshold Amount of Registrable Securities (calculated based on the Common
Unit Price). 
 Section 2.03 Delay Rights. 

Notwithstanding anything to the contrary contained herein, the Partnership may, upon written notice to any Selling Holder whose Registrable
Securities are included in a Registration Statement or other registration statement contemplated by this Agreement, suspend such Selling Holder’s use of any prospectus which is a part of such Registration Statement or other registration
statement (in which event the Selling Holder shall discontinue sales of the Registrable Securities pursuant to such Registration Statement or other registration statement contemplated by this Agreement but may settle any previously made sales of
Registrable Securities) if (i) the Partnership is pursuing an acquisition, merger, reorganization, disposition or other similar transaction and the Partnership determines in good faith that the Partnership’s ability to pursue or consummate
such a transaction would be materially adversely affected by any required disclosure of such transaction in such Registration Statement or other registration statement or (ii) the Partnership has experienced some other material non-public event
the disclosure of which at such time, in the good faith judgment of the Partnership, would materially adversely affect the Partnership; provided, however, in no event shall the Selling Holders be suspended from selling Registrable Securities
pursuant to such Registration Statement or other registration statement for a period that exceeds an aggregate of 60 calendar days in any 180-calendar day period or 105 calendar days in any 365-calendar day period, in each case, exclusive of days
covered by any lock-up agreement executed by a Selling Holder in connection with any Underwritten Offering. Upon disclosure of such information or the termination of the condition described above, the Partnership shall provide prompt notice to the
Selling Holders whose Registrable Securities are included in such Registration Statement and shall promptly terminate any suspension of sales it has put into effect and shall take such other reasonable actions to permit registered sales of
Registrable Securities as contemplated in this Agreement. 
 If (i) the Selling Holders shall be prohibited from selling their
Registrable Securities under a Registration Statement or other registration statement contemplated by this Agreement as a result of a suspension pursuant to the immediately preceding paragraph in excess of the periods permitted therein or
(ii) a Registration Statement or other registration statement contemplated by this Agreement is filed and declared effective but, during the Effectiveness Period, shall thereafter cease to be effective or fail to be usable for its intended
purpose without being succeeded within 20 Business Days by a post-effective amendment thereto, 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, but not including any day on which a suspension is lifted or such amendment, supplement or report is filed and declared effective, if
applicable, the Partnership shall pay the Selling Holders an amount equal to the Liquidated Damages, following the earlier of (x) the date on which the suspension period exceeded the permitted period and (y) the twenty-first
(21st) Business Day after such Registration Statement or other registration statement contemplated by this Agreement ceased to be effective or failed to be useable for its intended purposes, as liquidated damages and not as a penalty (for
purposes of calculating Liquidated Damages, the date in (x) or (y) above shall be deemed the “90th day,” as used in the definition of Liquidated Damages). For purposes of this paragraph, a suspension shall be deemed lifted with
respect to a Selling Holder on the date that notice that the suspension has been terminated is delivered to such Selling Holder. Liquidated Damages shall cease to accrue pursuant to this paragraph upon the earlier of (i) a suspension being
deemed lifted and (ii) when such Selling Holder no longer holds Registrable Securities included in such Registration Statement. 

 Section 2.04 Underwritten Offerings. 

(a) General Procedures. In the event that one or more Holders elects to include other than pursuant to Section 2.02 of this
Agreement, at least an aggregate of $50.0 million of Registrable Securities (calculated based on the Registrable Securities Amount) under a Registration Statement pursuant to an Underwritten Offering, the Partnership shall, upon request by such
Holders (such request, an “Underwritten Offering Notice”), retain underwriters in order to permit such Holders to effect such sale through an Underwritten Offering; provided, however, that the Holders shall have the option
and right, to require the Partnership to effect not more than four (4) Underwritten Offerings, pursuant to and subject to the conditions of this Section 2.04 of this Agreement, with each of the GSO Holder and the Magnetar Holder,
having the individual right and option, severally and not jointly, to request at least one (1) Underwritten Offering (each a “Demand Holder Requested Underwritten Offering”) out of such four (4) Underwritten Offerings.
Upon delivery of such Underwritten Offering Notice to the Partnership, the Partnership shall as soon as practicable (but in no event later than one (1) calendar day following the date of delivery of the Underwritten Offering Notice to the
Partnership) deliver notice of such Underwritten Offering Notice to all other Holders who shall then have two (2) calendar days from the date that such notice is given to them to notify the Partnership in writing of the number of Registrable
Securities held by such Holder that they want to be included in such Underwritten Offering. For the avoidance of doubt, any Holders notified about an Underwritten Offering by the Partnership after the Partnership has received the corresponding
Underwritten Offering Notice, may participate in such Underwritten Offering, but shall not count toward the $50.0 million of Registrable Securities necessary to request an Underwritten Offering pursuant to an Underwritten Offering Notice. In
connection with any Underwritten Offering under this Agreement, the Holders of a majority of the Registrable Securities being disposed of pursuant to the Underwritten Offering shall be entitled to select the Managing Underwriter or Underwriters for
such Underwritten Offering, subject to the reasonable consent of the Partnership. In connection with an Underwritten Offering contemplated by this Agreement in which a Selling Holder participates, each Selling Holder and the Partnership shall be
obligated to enter into an underwriting agreement that contains such representations, covenants, indemnities and other rights and obligations as are customary in underwriting agreements for firm commitment offerings of securities. No Selling Holder
may participate in such Underwritten Offering unless such Selling Holder agrees to sell its Registrable Securities on the basis provided in such underwriting agreement and completes and executes all questionnaires, powers of attorney, indemnities
and other documents reasonably required under the terms of such underwriting agreement. Each Selling Holder may, at its option, require that any or all of the representations and warranties by, and the other agreements on the part of, the
Partnership to and for the benefit of such underwriters also be made to and for such Selling Holder’s benefit and that any or all of the conditions precedent to the obligations of such underwriters under such underwriting agreement also be
conditions precedent to its obligations. No Selling Holder shall be required to make any representations or warranties to or agreements with the Partnership or the underwriters other than representations, warranties or agreements regarding such
Selling Holder, its authority to enter into such underwriting agreement and to sell, and its ownership of, the securities whose offer and resale will be registered, on its behalf, its intended method of distribution and any other representation
required by Law. If any Selling Holder disapproves of the terms of an underwriting, such Selling Holder may elect to withdraw therefrom by notice to the Partnership and the Managing Underwriter; provided, however, that any such withdrawal
must be made no later than the time of pricing of such Underwritten Offering. If all Selling Holders withdraw from an Underwritten Offering prior to the pricing of such Underwritten Offering, the events will not be considered an Underwritten
Offering and will not decrease the number of available Underwritten Offerings the Selling Holders have the right and option to request under this Section 2.04; provided, further, that if a GSO Holder or Magnetar Holder provided
the initial Underwritten Offering Notice to the Partnership, and such Holder subsequently withdraws from such Underwritten Offering prior to such Underwritten Offering’s pricing, while other Holders of at least $50.0 million of Registrable
Securities participate in the Underwritten Offering, such Underwritten Offering will count toward the aggregate number of Underwritten Offerings allowed under this Section 2.04, but will not count as a Demand Holder Requested
Underwritten Offering for any GSO Holder or Magnetar Holder that withdraws prior to pricing of such Underwritten Offering, notwithstanding that such Holder initially delivered an Underwritten Offering Notice to the Partnership. No such withdrawal or
abandonment shall affect the Partnership’s obligation to pay Registration Expenses; provided, however, if (i) certain Selling Holders withdraw from an Underwritten Offering after the public announcement at launch (the
“Launch”) of such 

 
Underwritten Offering (such Selling Holders, the “Post-Launch Withdrawing Selling Holders”), and (ii) all Selling Holders withdraw from such Underwritten Offering prior to
pricing, then the Post-Launch Withdrawing Selling Holders shall pay for all reasonable Registration Expenses incurred by the Partnership during the period from the Launch of such Underwritten Offering until the time all Selling Holders withdraw from
such Underwritten Offering. 
 Section 2.05 Sale Procedures. 

In connection with its obligations under this Article II, the Partnership will, as expeditiously as possible: 

(a) use its reasonable best efforts to prepare and file with the Commission such amendments and supplements to a Registration Statement and the
prospectus used in connection therewith as may be necessary to keep such 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
Registrable Securities covered by such Registration Statement; 
 (b) if a prospectus supplement will be used in connection with the
marketing of an Underwritten Offering from a Registration Statement and the Managing Underwriter at any time shall notify the Partnership in writing that, in the sole judgment of such Managing Underwriter, inclusion of detailed information to be
used in such prospectus supplement is of material importance to the success of the Underwritten Offering of such Registrable Securities, the Partnership shall use its reasonable best efforts to include such information in such prospectus supplement;

 (c) furnish to each Selling Holder (i) as far in advance as reasonably practicable before filing a 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 a Registration Statement or such other registration statement or supplement or amendment thereto, and
(ii) such number of copies of such Registration Statement or such other registration statement and the prospectus included therein and any supplements and amendments thereto as such Selling Holder 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; 

(d) if applicable, use its reasonable best efforts to register or qualify the Registrable Securities covered by a 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 the Partnership 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 that would subject it to general service of process
in any such jurisdiction where it is not then so subject; 
 (e) 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 a Registration Statement or any other registration statement contemplated by this Agreement or any prospectus or prospectus supplement 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 such Registration Statement or any other registration
statement or any prospectus or prospectus supplement thereto; 
 (f) 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 a 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 case of any
prospectus contained therein, in the light of the circumstances under which a statement is made); (ii) the issuance or express threat of issuance by the Commission of any stop order suspending the effectiveness of such 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 the Partnership 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, the Partnership agrees to as
promptly as practicable amend or supplement the prospectus or prospectus supplement or take other appropriate action so that the prospectus or prospectus supplement 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 reasonable best action as is necessary to remove a stop order, suspension, threat
thereof or proceedings related thereto; 
 (g) 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; 
 (h) in the case of an Underwritten Offering, use its reasonable best efforts to furnish upon
request, (i) an opinion of counsel for the Partnership dated the date of the closing under the underwriting agreement and (ii) a “cold comfort” letter, dated the pricing date of such Underwritten Offering and a letter of like
kind dated the date of the closing under the underwriting agreement, in each case, signed by the independent public accountants who have certified the Partnership’s financial statements included or incorporated by reference into the applicable
registration statement, and each of the opinion and the “cold comfort” letter shall be in customary form and covering substantially the same matters with respect to such registration statement (and the prospectus and any prospectus
supplement included therein) as have been customarily covered in opinions of issuer’s counsel and in accountants’ letters delivered to the underwriters in Underwritten Offerings of securities by the Partnership and such other matters as
such underwriters and Selling Holders may reasonably request; 
 (i) otherwise use its reasonable best 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, covering a period of twelve months beginning within three months after the effective date of such
Registration Statement, which earnings statement shall satisfy the provisions of Section 11(a) of the Securities Act and Rule 158 promulgated thereunder; 

(j) make available to the appropriate representatives of the Managing Underwriter and Selling Holders access to such information and
Partnership and General Partner personnel as is reasonable and customary to enable such parties to establish a due diligence defense under the Securities Act; provided, that the Partnership need not disclose any non-public information to any
such representative unless and until such representative has entered into a confidentiality agreement with the Partnership; 
 (k) use its
reasonable best efforts to cause all such Registrable Securities registered pursuant to this Agreement to be listed on each securities exchange or nationally recognized quotation system on which the Common Units issued by the Partnership are then
listed; 
 (l) use its reasonable best 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 the Partnership to enable the Selling Holders to consummate the disposition of such Registrable Securities; 

(m) 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; 
 (n) enter into customary agreements and take such other actions 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 (including, making appropriate officers of the General Partner available to participate in any “road show”
presentations before analysts, and other customary marketing activities (including one-on-one meetings with prospective purchasers of the Registrable Securities), provided, however, in the event, the Partnership, using reasonable best
efforts, is unable to make such appropriate officers of the General Partner available to participate in connection with any “road show” presentations and other customary marketing activities (whether in person or otherwise), the
Partnership shall make such appropriate officers available to participate via conference call or other means of communication in connection with no more than one (1) “road show” presentations per Underwritten Offering); and 

 (o) if requested by a Selling Holder, (i) incorporate in a prospectus supplement or
post-effective amendment such information as such Selling Holder 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 and (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. 
 The
Partnership will not name a Holder as an underwriter as defined in Section 2(a)(11) of the Securities Act in any Registration Statement without such Holder’s consent. If the staff of the Commission requires the Partnership to name any
Holder as an underwriter as defined in Section 2(a)(11) of the Securities Act, and such Holder does not consent thereto, then such Holder’s Registrable Securities shall not be included on such Registration Statement, such Holder shall no
longer be entitled to receive Liquidated Damages under this Agreement with respect to such Holder’s Registrable Securities and the Partnership shall have no further obligations hereunder with respect to Registrable Securities held by such
Holder, unless such Holder has not had an opportunity to conduct customary underwriter’s due diligence (including receipt of comfort letters and opinions of counsel) with respect to the Partnership at the time such Holder’s consent is
sought. 
 Each Selling Holder, upon receipt of notice from the Partnership of the happening of any event of the kind described in
subsection (f) of this Section 2.05, shall forthwith discontinue offers and sales of the Registrable Securities by means of a prospectus or prospectus supplement until such Selling Holder’s receipt of the copies of the
supplemented or amended prospectus contemplated by subsection (f) of this Section 2.05 or until it is advised in writing by the Partnership 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 the Partnership, such Selling Holder will, or will request the Managing Underwriter, if any, to deliver to the Partnership (at the
Partnership’s 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. 
 Section 2.06 Cooperation by Holders. 

The Partnership shall have no obligation to include Registrable Securities of a Holder in a Registration Statement or in an Underwritten
Offering pursuant to Section 2.02(a) who has failed to timely furnish such information that the Partnership determines, after consultation with its counsel, is reasonably required in order for the registration statement or prospectus
supplement, as applicable, to comply with the Securities Act. 
 Section 2.07 Restrictions on Public Sale by Holders of Registrable
Securities. 
 Each Holder of Registrable Securities agrees to enter into a customary letter agreement with underwriters providing such
Holder will not effect any public sale or distribution of Registrable Securities during the 60 calendar day period beginning on the date of a prospectus or prospectus supplement filed with the Commission with respect to the pricing of any
Underwritten Offering, provided that (i) the duration of the foregoing restrictions shall be no longer than the duration of the shortest restriction imposed by the underwriters on the Partnership or the officers, directors or any other
Affiliate of the Partnership on whom a restriction is imposed and (ii) the restrictions set forth in this Section 2.07 shall not apply to any Registrable Securities that are included in such Underwritten Offering by such Holder. In
addition, this Section 2.07 shall not apply to any Holder that is not entitled to participate in such Underwritten Offering, whether because such Holder delivered an Opt-Out Notice prior to receiving notice of the Underwritten Offering
or because such Holder (together with its Affiliates) holds less than the Piggyback Threshold Amount of the then-outstanding Registrable Securities (calculated (i) for the Common Unit Registrable Securities, based on the product of the Common
Unit Price times the number of Common Unit Registrable Securities; and (ii) for the Preferred Unit Registrable Securities, based on the product of the Common Unit Price times the number of Common Units issuable upon conversion of the Preferred
Unit Registrable Securities) or because the Registrable Securities held by such Holder may be disposed of without restriction pursuant to any section of Rule 144 (or any successor or similar provision adopted by the Commission then in effect) under
the Securities Act. 

 Section 2.08 Expenses. 

(a) Expenses. The Partnership 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. Each Selling Holder shall pay its pro rata share of all Selling Expenses in connection with any sale of its Registrable Securities hereunder. For the
avoidance of doubt, each Selling Holder’s pro rata allocation of Selling Expenses shall be the percentage derived by dividing (i) the number of Registrable Securities sold by such Selling Holder in connection with such sale by
(ii) the aggregate number of Registrable Securities sold by all Selling Holders in connection with such sale. In addition, except as otherwise provided in Sections 2.08 and 2.09 hereof, the Partnership shall not be
responsible for legal fees incurred by Holders in connection with the exercise of such Holders’ rights hereunder. 
 (b) Certain
Definitions. “Registration Expenses” means all expenses incident to the Partnership’s performance under or compliance with this Agreement to effect the registration of Registrable Securities on a Registration Statement
pursuant to Section 2.01(a) or an Underwritten Offering covered under this Agreement, and the disposition of such Registrable Securities, including, without limitation, all registration, filing, securities exchange listing and NYSE fees,
all registration, filing, qualification and other fees and expenses of complying with securities or blue sky laws, fees of the Financial Industry Regulatory Authority, Inc., fees of transfer agents and registrars, all word processing, duplicating
and printing expenses, any transfer taxes, the fees and disbursements of counsel and independent public accountants for the Partnership, including the expenses of any special audits or “cold comfort” letters required by or incident to such
performance and compliance, and the reasonable fees and disbursements of one counsel for the Selling Holders participating in such Registration Statement or Underwritten Offering to effect the disposition of such Registrable Securities, selected by
the Holders of a majority of the Registrable Securities initially being registered under such Registration Statement or other registration statement as contemplated by this Agreement, subject to the reasonable consent of the Partnership.
“Selling Expenses” means all underwriting discounts and selling commissions or similar fees or arrangements allocable to the sale of the Registrable Securities, and fees and disbursements of counsel to the Selling Holders, except
for the reasonable fees and disbursements of counsel for the Selling Holders required to be paid by the Partnership pursuant to Sections 2.08 and 2.09. 

Section 2.09 Indemnification. 

(a) By the Partnership. In the event of a registration of any Registrable Securities under the Securities Act pursuant to this
Agreement, the Partnership will indemnify and hold harmless each Selling Holder thereunder, its directors, officers, managers, employees and agents and each Person, if any, who controls such Selling Holder within the meaning of the Securities Act
and the Exchange Act, and its directors, officers, employees or agents (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 (in the case of any prospectus, in light of the circumstances under which such statement is
made) contained in (which, for the avoidance of doubt, includes documents incorporated by reference in) such Registration Statement or any other registration statement contemplated by this Agreement, any preliminary prospectus, prospectus supplement
or final prospectus contained therein, or any amendment or supplement thereof, or any free writing prospectus relating thereto or 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, and will reimburse each such Selling Holder Indemnified Person for any legal or other
expenses reasonably incurred by them in connection with investigating, defending or resolving any such Loss or actions or proceedings; provided, however, that the Partnership 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 conformity with information furnished by such Selling Holder Indemnified Person in writing specifically for use in
such 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 Indemnified
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 the Partnership, the General Partner, its directors, officers, employees and agents and each Person, if any, who controls the Partnership within the meaning of the Securities Act or of
the Exchange Act, and its directors, 

 
officers, employees and agents, to the same extent as the foregoing indemnity from the Partnership 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 such Registration Statement or any other registration statement contemplated by this Agreement, any preliminary prospectus, prospectus supplement or final
prospectus contained therein, or any amendment or supplement thereof, or any free writing prospectus relating 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 that it may
have to any indemnified party other than under this Section 2.09. 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 2.09 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 any indemnified party with respect to
which such indemnified party is entitled to indemnification 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 2.09 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 that 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 that 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, defending or resolving any
Loss that 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 2.09 shall be in addition to any other
rights to indemnification or contribution that an indemnified party may have pursuant to law, equity, contract or otherwise. 

 Section 2.10 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, the Partnership agrees to use its reasonable best efforts to: 
 (a) make and keep public
information regarding the Partnership available, as those terms are understood and defined in Rule 144 (or any successor or similar provision adopted by the Commission then in effect) 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 the Partnership under the Securities
Act and the Exchange Act at all times from and after the date hereof; and 
 (c) so long as a Holder owns any Registrable Securities,
furnish, unless otherwise available electronically at no additional charge via the Commission’s EDGAR system, to such Holder forthwith upon request a copy of the most recent annual or quarterly report of the Partnership, and such other reports
and documents 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 2.11 Transfer or Assignment of Registration Rights. 

The rights to cause the Partnership to register Registrable Securities granted to the Purchasers by the Partnership under this Article
II may be transferred or assigned by any Purchaser to one or more transferees or assignees of Registrable Securities, subject to the transfer restrictions provided in Section 4.7(d) of the Amended Partnership Agreement, provided,
however, that (a) the Partnership is given written notice prior to any said transfer or assignment, stating the name and address of each of the transferee or assignee and identifying the securities with respect to which such registration
rights are being transferred or assigned and (b) each such transferee or assignee assumes in writing responsibility for its portion of the obligations of such Purchaser under this Agreement. 

Section 2.12 Limitation on Subsequent Registration Rights. 

From and after the date hereof, the Partnership shall not, without the prior written consent of the Holders of at least a majority of the then
outstanding Registrable Securities, enter into any agreement with any current or future holder of any securities of the Partnership that would allow such current or future holder to require the Partnership to include securities in any registration
statement filed by the Partnership on a basis other than expressly subordinate to the rights of, the Holders of Registrable Securities 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 an Purchaser: 

To the respective address listed on Schedule A hereof 

with copies to (which shall not constitute notice): 

Andrews Kurth LLP 
 600 Travis
St., Suite 4200 
 Houston, Texas 77002 

Attention: G. Michael O’Leary 

Facsimile: (713) 238-7130 

Email: gmoleary@andrewskurth.com 

and 

 Sidley Austin LLP 

1000 Louisiana, Suite 6000 

Houston, TX 77002 
 Attention:
Timothy C. Langenkamp 
 Facsimile: (713) 495-7799 

Email: tlangenkamp@sidley.com 

(b) if to a transferee of an Purchaser, to such Holder at the address provided pursuant to Section 2.11 above; and 

(c) if to the Partnership: 

Crestwood Midstream Partners LP 

Two Brush Creek Boulevard 
 Suite
200 
 Kansas City, Missouri 64112 

Attention: Michael J. Campbell 

Email: mike.campbell@crestwoodlp.com 

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

Crestwood Midstream Partners LP 

700 Louisiana Street 
 Suite 2550

 Houston, TX 77002-6760 

Attention: Joel C. Lambert 

Email: joel.lambert@crestwoodlp.com 

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

Vinson & Elkins L.L.P. 

1001 Fannin Street 
 Suite 2500

 Houston, TX 77002-6760 

Attention: Gillian Hobson 

Facsimile: 713.615.5794 
 Email:
ghobson@velaw.com 
 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 sent via Internet electronic mail; and when actually received, if sent by courier service. 

Section 3.02 Successor and Assigns. 

This Agreement shall inure to the benefit of and be binding upon the successors and permitted assigns of each of the parties, including
subsequent Holders of Registrable Securities to the extent permitted herein. 
 Section 3.03 Assignment of Rights. 

All or any portion of the rights and obligations of any Purchaser under this Agreement may be transferred or assigned by such Purchaser only in
accordance with Section 2.11 hereof. 
 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 the Partnership or any
successor or assign of the Partnership (whether by merger, consolidation, sale of assets or otherwise) that 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, pro rata distributions of units and the like occurring after the date of this Agreement. 

 Section 3.05 Aggregation of Registrable Securities. 

All Registrable Securities 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 and applicability of any obligations under this Agreement. 
 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 that 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, including facsimile or
..pdf 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. 

THIS AGREEMENT, INCLUDING ALL ISSUES AND QUESTIONS CONCERNING ITS APPLICATION, CONSTRUCTION, VALIDITY, INTERPRETATION AND ENFORCEMENT, SHALL
BE CONSTRUED IN ACCORDANCE WITH, AND GOVERNED BY, THE LAWS OF THE STATE OF NEW YORK. 
 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. 

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 the Partnership set forth herein. This Agreement supersedes 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 the Partnership 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 transferees and
assignees) and the Partnership shall have any obligation hereunder. Notwithstanding that one or more of the Purchasers may be a corporation, partnership or limited liability company, no recourse under this 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 thereof, 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 thereof, as such, for any obligations of
the Purchasers under this 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, except in each case for any transferee or
assignee of a Purchaser hereunder. 
 Section 3.15 Independent Nature of Purchaser’s Obligations. 

The obligations of each Purchaser under this 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. Nothing contained herein, 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 group or 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. Each Purchaser shall be entitled to independently protect and enforce its rights, including, the rights arising out of this 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 3.16 Interpretation. 

Article and Section 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 words “include,” “includes” and
“including” or words of similar import shall be deemed to be followed by the words “without limitation.” Whenever any determination, consent or approval is to be made or given by an Purchaser under this Agreement, such action
shall be in such Purchaser’s sole discretion unless otherwise specified. Unless expressly set forth or qualified otherwise (e.g., by “Business” or “trading”), all references herein to a “day” are deemed to be a
reference to a calendar day. 
 [Signature pages to follow] 

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

			
	CRESTWOOD MIDSTREAM PARTNERS LP
	
	By: Crestwood Midstream GP LLC, its general partner
		
	By:	 	 /s/ Michael J. Campbell

	Name:	 	Michael J. Campbell
	Title:	 	Senior Vice President and
		 	Chief Financial Officer
	
	GSO COF II HOLDINGS PARTNERS LP
	
	By: GSO Capital Opportunities Associates II LLC, its General Partner
		
	By:	 	 /s/ Thomas Lannarone

	Name:	 	Thomas Lannarone
	Title:	 	Authorized Signatory
	
	MTP ENERGY MASTER FUND LTD
	
	By: MTP ENERGY MANAGEMENT LLC, its investment manager
	By: MAGNETAR FINANCIAL LLC, its sole member
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC
	
	MTP ENERGY OPPORTUNITIES FUND LLC
	
	By: MTP ENERGY MANAGEMENT LLC, its managing member
	By: MAGNETAR FINANCIAL LLC, its sole member
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC
	
	MTP ENERGY CM LLC
	
	By: MAGNETAR FINANCIAL LLC, its manager
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC

 [Signature Page to Registration Rights Agreement] 

 
			
	HIPPARCHUS FUND LP
	
	By: MAGNETAR FINANCIAL LLC, its general partner
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC
	
	MAGNETAR CAPITAL FUND II LP
	
	By: MAGNETAR FINANCIAL LLC, its general partner
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC
	
	MAGNETAR STRUCTURED CREDIT FUND, LP
	
	By: MAGNETAR FINANCIAL LLC, its general partner
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC
	
	MAGNETAR GLOBAL EVENT DRIVEN FUND LLC
	
	By: MAGNETAR FINANCIAL LLC, its manager
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC
	
	BLACKWELL PARTNERS LLC
	
	By: MAGNETAR FINANCIAL LLC, its investment manager
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC

  
 [Signature Page
to Registration Rights Agreement] 

 
			
	SPECTRUM OPPORTUNITIES FUND LP
	
	By: MAGNETAR FINANCIAL LLC, its general partner
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC
	
	MAGNETAR ANDROMEDA SELECT FUND LLC
	
	By: MAGNETAR FINANCIAL LLC, its manager
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC
	
	MAGNETAR CONSTELLATION FUND IV LLC
	
	By: MAGNETAR FINANCIAL LLC, its manager
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC
	
	COMPASS HTV LLC
	
	By: MAGNETAR FINANCIAL LLC, its investment manager
		
	By:	 	 /s/ Michael Turro

	Name:	 	Michael Turro
	Title:	 	Chief Compliance Officer
		 	Magnetar Financial LLC
	
	GE STRUCTURED FINANCE, INC.
		
	By:	 	 /s/ Gerald Friel

	Name:	 	Gerald Friel
	Title:	 	Vice President

  
 [Signature Page
to Registration Rights Agreement] 

 Schedule A 

Purchaser Name; Notice and Contact Information 
  

			
	 Purchaser
	  	 Contact Information

	GSO COF II Holdings Partners LP	  	 345 Park Avenue, 31st Floor
 New York, NY
10154
 Attention: Dwight Scott
 Facsimile: (212) 503-6930

Email: Dwight.Scott@gsocap.com
 with copies to:

Attention: Michael Zawadzki and Marisa Beeney
 Email:
Michael.Zawadzki@gsocap.com and Marisa.Beeney@gsocap.com

		
	MTP Energy Master Fund Ltd	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	MTP Energy Opportunities Fund LLC	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	MTP Energy CM LLC	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	Hipparchus Fund LP	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	Magnetar Capital Fund II LP	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	Magnetar Structured Credit Fund, LP	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

			
		
	Magnetar Global Event Driven Fund LLC	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	Blackwell Partners LLC	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	Spectrum Opportunities Fund LP	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	Magnetar Andromeda Select Fund LLC	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	Magnetar Constellation Fund IV LLC	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	Compass HTV LLC	  	 1603 Orrington Avenue, 13th Floor
 Evanston, IL
60201
 Attention: Chief Legal Officer
 Telephone: (847)
905-4400
 Facsimile: (847) 269-2064
 Email:
notices@magnetar.com

		
	GE Structured Finance, Inc.	  	 GE Structured Finance, Inc.
 800 Long Ridge
Road
 Stamfor, CT 06927
 Attention: General Counsel

with a copy to:
 Attention: Seth Barlam

Facsimile: (203) 357-6632
 Email: seth.barlam@ge.comEX-10.1

 Exhibit 10.1 

Execution Version 

CLASS A PREFERRED UNIT 

PURCHASE AGREEMENT 
 among

 CRESTWOOD MIDSTREAM PARTNERS LP 

and 
 THE PURCHASERS PARTY
HERETO 

 TABLE OF CONTENTS 

 

							
	 	 	 	  	Page	 
	 ARTICLE I DEFINITIONS
	  	 	1	  
			
	 Section 1.01    
	 	Definitions	  	 	1	  
	 Section 1.02
	 	Accounting Procedures and Interpretation	  	 	7	  
		
	 ARTICLE II AGREEMENT TO SELL AND PURCHASE
	  	 	7	  
			
	 Section 2.01
	 	Initial Purchase	  	 	7	  
	 Section 2.02
	 	Additional Purchases	  	 	7	  
	 Section 2.03
	 	Closing	  	 	8	  
	 Section 2.04
	 	Deliveries at the Initial Closing	  	 	8	  
	 Section 2.05
	 	Conditions of Each Purchaser’s Obligations at Subsequent Closings	  	 	10	  
	 Section 2.06
	 	Independent Nature of Purchasers’ Obligations and Rights	  	 	11	  
	 Section 2.07
	 	Further Assurances	  	 	12	  
		
	 ARTICLE III REPRESENTATIONS AND WARRANTIES AND COVENANTS RELATED TO CRESTWOOD
	  	 	12	  
			
	 Section 3.01
	 	Existence	  	 	12	  
	 Section 3.02
	 	Capitalization and Valid Issuance of Purchased Units	  	 	13	  
	 Section 3.03
	 	Crestwood SEC Documents; Crestwood Financial Statements	  	 	14	  
	 Section 3.04
	 	No Material Adverse Change	  	 	15	  
	 Section 3.05
	 	No Registration Required	  	 	15	  
	 Section 3.06
	 	Litigation	  	 	15	  
	 Section 3.07
	 	No Conflicts	  	 	15	  
	 Section 3.08
	 	Authority; Enforceability	  	 	16	  
	 Section 3.09
	 	Approvals	  	 	16	  
	 Section 3.10
	 	MLP Status	  	 	16	  
	 Section 3.11
	 	Investment Company Status	  	 	16	  
	 Section 3.12
	 	Certain Fees	  	 	17	  
	 Section 3.13
	 	Insurance	  	 	17	  
	 Section 3.14
	 	Books and Records; Sarbanes-Oxley Compliance	  	 	17	  
	 Section 3.15
	 	Listing and Maintenance Requirements	  	 	18	  
	 Section 3.16
	 	Taxes	  	 	18	  
	 Section 3.17
	 	Compliance with Laws; Environmental Laws; Pipeline Safety Laws; Permits; and Environmental Permits	  	 	19	  
	 Section 3.18
	 	Title to Property	  	 	20	  
	 Section 3.19
	 	Rights of Way	  	 	20	  
	 Section 3.20
	 	Form S-3 Eligibility	  	 	20	  
	 Section 3.21
	 	Designated Preferred Stock Covenant	  	 	20	  
		
	 ARTICLE IV REPRESENTATIONS AND WARRANTIES AND COVENANTS OF THE PURCHASERS
	  	 	20	  
			
	 Section 4.01
	 	Existence	  	 	20	  
	 Section 4.02
	 	Authorization, Enforceability	  	 	21	  

  
 i 

							
	 Section 4.03    
	 	No Breach	  	 	21	  
	 Section 4.04
	 	Certain Fees	  	 	21	  
	 Section 4.05
	 	Unregistered Securities	  	 	21	  
	 Section 4.06
	 	Short Selling	  	 	23	  
		
	 ARTICLE V INDEMNIFICATION, COSTS AND EXPENSES
	  	 	23	  
			
	 Section 5.01
	 	Indemnification by Crestwood	  	 	23	  
	 Section 5.02
	 	Indemnification by the Purchasers	  	 	23	  
	 Section 5.03
	 	Indemnification Procedure	  	 	24	  
	 Section 5.04
	 	Tax Matters	  	 	25	  
		
	 ARTICLE VI MISCELLANEOUS
	  	 	25	  
			
	 Section 6.01
	 	Expenses	  	 	25	  
	 Section 6.02
	 	Interpretation	  	 	25	  
	 Section 6.03
	 	Survival of Provisions	  	 	26	  
	 Section 6.04
	 	No Waiver; Modifications in Writing	  	 	26	  
	 Section 6.05
	 	Binding Effect	  	 	27	  
	 Section 6.06
	 	Non-Disclosure	  	 	27	  
	 Section 6.07
	 	Communications	  	 	28	  
	 Section 6.08
	 	Removal of Legend	  	 	30	  
	 Section 6.09
	 	Entire Agreement	  	 	30	  
	 Section 6.10
	 	Governing Law; Submission to Jurisdiction	  	 	31	  
	 Section 6.11
	 	Waiver of Jury Trial	  	 	31	  
	 Section 6.12
	 	Execution in Counterparts	  	 	31	  

  

			
	 EXHIBIT A — Form of Opinion of Vinson & Elkins LLP
	 	
	 EXHIBIT B — Form of Opinion
	 	
	 EXHIBIT C — Form of General Partner Waiver
	 	

  
 ii 

 CLASS A PREFERRED UNIT PURCHASE AGREEMENT 

This CLASS A PREFERRED UNIT PURCHASE AGREEMENT, dated as of June 17, 2014 (this “Agreement”), is entered into by and
among CRESTWOOD MIDSTREAM PARTNERS LP, a Delaware limited partnership (“Crestwood”), and the purchasers set forth in Schedule A hereto (the “Purchasers”). 

WHEREAS, Crestwood desires to issue and sell from time to time to the Purchasers, and the Purchasers desire to purchase from time to time from
Crestwood, certain of Crestwood’s Class A Preferred Units (as defined below), in accordance with the provisions of this Agreement; and 

WHEREAS, Crestwood has agreed to provide the Purchasers with certain registration rights with respect to the Class A Preferred Units and
Common Units underlying the Class A Preferred Units acquired pursuant hereto. 
 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 is hereby acknowledged, the parties hereby agree as follows: 

ARTICLE I 
 DEFINITIONS

 Section 1.01 Definitions. As used in this Agreement, the following terms have the meanings indicated: 

“Additional Units” has the meaning specified in Section 2.02. 

“Additional Unit Purchase Price” means an amount equal to the SCD Purchase Price, multiplied by the number of
Additional Units to be purchased by the Purchasers on the applicable Subsequent Closing Date. 
 “Affiliate”
means, with respect to any Person, any other Person that directly or indirectly through one or more intermediaries controls, is controlled by or is under common control with, the Person in question. As used herein, the term “control” means
the possession, direct or indirect, of the power to direct or cause the direction of the management and policies of a Person, whether through ownership of voting securities, by contract or otherwise. For the avoidance of doubt, for purposes of this
Agreement, (i) the Crestwood Entities, on the one hand, and any Purchaser, on the other, shall not be considered Affiliates, (ii) any fund or account managed, advised or subadvised, directly or indirectly, by GSO Capital Partners LP or its
Affiliates, shall be considered an Affiliate of GSO Capital Partners LP; and (ii) any fund or account managed, advised or subadvised, directly or indirectly, by Magnetar Financial LLC or its Affiliates, shall be considered an Affiliate of
Magnetar Financial LLC. 
 “Agreement” has the meaning set forth in the introductory paragraph of this
Agreement. 
 “Aggregate SCD Amount” has the meaning specified in Section 2.02. 

 “Basic Documents” means, collectively, this Agreement, the Registration
Rights Agreement, the Partnership Agreement, the Board Representation Agreement and any and all other agreements or instruments executed and delivered to the Purchasers by the Crestwood Entities hereunder or thereunder. 

“Board Representation Agreement” means the Board Representation and Standstill Agreement, dated of even date herewith,
between Crestwood, the General Partner and the Purchasers. 
 “Business Day” means any day other than a
Saturday, Sunday, any federal legal holiday or day on which banking institutions in the State of New York or State of Texas are authorized or required by Law or other governmental action to close. 

“Change of Control” with respect to Crestwood has the meaning set forth in the Partnership Agreement. 

“Class A Preferred Units” means Crestwood’s Class A Preferred Units. 

“Code” has the meaning specified in Section 3.10. 

“Commission” means the United States Securities and Exchange Commission. 

“Commitment Amount” has the meaning specified in Section 2.02. 

“Common Units” means common units representing limited partner interests in Crestwood. 

“Confidentiality Agreements” means the Confidentiality Agreements, dated April 25, 2014, entered into by
Crestwood and each of GE Energy Financial Services, Inc., GSO Capital Partners LP and MTP Energy Management LLC.  

“Contract” means any contract, agreement, indenture, note, bond, mortgage, deed of trust, loan, instrument, lease,
license, commitment or other arrangement, understanding, undertaking, commitment or obligation, whether written or oral. 

“Conversion Units” means the Common Units issuable upon conversion of the Initial Units or Additional Units, as
applicable. 
 “Crestwood” has the meaning set forth in the introductory paragraph of this Agreement.

 “Crestwood Credit Facility” means the Credit Agreement, dated October 7, 2013, as amended as of the date
hereof and from time to time, by and among Crestwood and the lenders named therein. 
 “Crestwood Entities”
means, collectively, Crestwood, the General Partner and their respective Subsidiaries. 
 “Crestwood Financial
Statements” has the meaning specified in Section 3.03. 

  
 2 

 “Crestwood Related Parties” has the meaning specified in
Section 5.02. 
 “Crestwood SEC Documents” has the meaning specified in Section 3.03. 

“Delaware LLC Act” means the Delaware Limited Liability Company Act. 

“Delaware LP Act” means the Delaware Revised Uniform Limited Partnership Act. 

“Environmental Law” means any Law applicable to the Partnership Entities or the operation of their business in any way
relating to the protection of human health and safety (to the extent such health and safety relate to exposure to Hazardous Substances), the environment, natural resources, including the Comprehensive Environmental Response, Compensation and
Liability Act (42 U.S.C. § 9601 et seq.), the Hazardous Materials Transportation Act (49 U.S.C. App. § 5101 et seq.), the Resource Conservation and Recovery Act (42 U.S.C. § 6901 et seq.), the Clean Water Act (33 U.S.C. § 1251 et
seq.), the Clean Air Act (42 U.S.C. § 7401 et seq.), the Toxic Substances Control Act (15 U.S.C. § 2601 et seq.), the Oil Pollution Act of 1990 (33 U.S.C. § 2701 et seq.), the Federal Insecticide, Fungicide, and Rodenticide Act (7
U.S.C. § 136 et seq.), the Occupational Safety and Health Act (29 U.S.C. § 651 et seq.), . 
 “Environmental
Permits” means all approvals, authorizations, consents, licenses, permits, variances, waivers, exemptions, registrations of a Governmental Authority required under any Environmental Laws for the operation of the business of the Partnership
Entities. 
 “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. 
 “Funding Call” has the meaning specified
in Section 2.02. 
 “GAAP” means generally accepted accounting principles in the United States of America as
of the date hereof; provided that for the Crestwood Financial Statements prepared as of a certain date, GAAP referenced therein shall be GAAP as of the date of such Crestwood Financial Statements. 

“General Partner” means Crestwood Midstream GP LLC, a Delaware limited liability company and the general partner of
Crestwood. 
 “Governmental Authority” means, with respect to a particular Person, any country, state,
county, city and political subdivision in which such Person or such Person’s Property is located or which 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 authority which exercises valid jurisdiction over any such Person or such Person’s Property. Unless otherwise specified, all references to Governmental Authority herein with respect to
Crestwood means a Governmental Authority having jurisdiction over Crestwood, its Subsidiaries or any of their respective Properties. 

“GP LLC Agreement” means the Amended and Restated Limited Liability Company Agreement of the General Partner, dated as
of December 21, 2011, as amended through the date hereof. 

  
 3 

 “Hazardous Substances” means (a) any “hazardous substance”
as defined in the Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended, (b) any “hazardous waste” as defined in the Resource Conservation and Recovery Act, as amended, (c) any petroleum,
petroleum products, natural gas, oil and gas waste, and oil and any components or derivatives thereof, (d) any polychlorinated biphenyl and (e) any pollutant, contaminant or hazardous or toxic, material, waste or substance regulated under
any other Environmental Law. 
 “ICD Purchase Price” has the meaning specified in Section 2.01.

 “Incentive Distribution Rights” has the meaning specified in Section 3.02(a). 

“Indemnified Party” has the meaning specified in Section 5.03. 

“Indemnifying Party” has the meaning specified in Section 5.03. 

“Indentures” means (i) that certain indenture dated as of November 8, 2013 by and among Crestwood, Crestwood
Midstream Finance Corp., the other guarantors party thereto and U.S. Bank National Association, as trustee, (ii) that certain indenture dated as of December 7, 2012, by and among Inergy Midstream, L.P., NRGM Finance Corp., the other
guarantors party thereto and U.S. Bank National Association, as trustee and (iii) that certain indenture dated as of April 1, 2011 by and among Crestwood, Crestwood Midstream Finance Corp., the other guarantors party thereto and The Bank
of New York Mellon Trust Company, N.A., as trustee. 
 “Initial Closing” has the meaning specified in
Section 2.03. 
 “Initial Closing Date” has the meaning specified in Section 2.03. 

“Initial Transaction Fee” has the meaning specified in Section 6.01. 

“Initial Units” has the meaning specified in Section 2.01. 

“Initial Unit Purchase Price” means an amount equal to the ICD Purchase Price, multiplied by the number of Initial
Units to be purchased by the Purchasers on the Initial Closing Date. 
 “Law” means any federal, state, local
or foreign order, writ, injunction, judgment, settlement, award, decree, statute, law (including common law), rule or regulation. 

“Lien” means any mortgage, claim, encumbrance, pledge, lien (statutory or otherwise), security agreement, conditional
sale or trust receipt or a lease, consignment or bailment, preference or priority, assessment, deed of trust, charge, easement, servitude or other encumbrance upon or with respect to any property of any kind. 

“Material Adverse Effect” means any change, event or effect that, individually or together with any other changes, events or
effects, has a material adverse effect on (i) the condition (financial or otherwise), business, assets or results of operations of the Partnership Entities, taken as a whole, (ii) the limited partners of Crestwood resulting from any event
which subjects them 

  
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to any material liability or disability, or (iii) the ability of the Partnership Entities to perform their obligations under the Basic Documents; provided, however, that a
Material Adverse Effect shall not include any material and adverse effect on the foregoing to the extent such material and adverse effect results from, arises out of, or relates to (x) a general deterioration in the economy or changes in the
general state of the industries in which Crestwood operates, except to the extent that Crestwood, taken as a whole, is adversely affected in a disproportionate manner as compared to other industry participants, (y) the outbreak or escalation of
hostilities involving the United States, the declaration by the United States of a national emergency or war or the occurrence of any other calamity or crisis, including acts of terrorism, or (z) any change in accounting requirements or
principles imposed upon any Crestwood Entity or their respective businesses or any change in applicable Law, or the interpretation thereof, other than a change that would result in Crestwood being treated as a corporation for federal Tax purposes.

 “NYSE” means the New York Stock Exchange. 

“Operative Agreements” has the meaning specified in Section 3.01(c). 

“Partnership Agreement” means the First Amended and Restated Agreement of Limited Partnership of Crestwood, dated as
of December 21, 2011, as amended from time to time in accordance with the terms thereof. 
 “Partnership
Entities” means Crestwood and its Subsidiaries. 
 “Permits” means any approvals, authorizations,
consents, licenses, permits, variances, waivers, grants, franchises, concessions, exemptions, orders, registrations or certificates of a Governmental Authority. 

“Person” means any individual, corporation, company, voluntary association, partnership, joint venture, trust, limited
liability company, unincorporated organization, government or any agency, instrumentality or political subdivision thereof or any other form of entity. 

“Pipeline Safety Law” means any Law applicable to the Partnership Entities or the operation of their business in any
way relating to the safety of owning, operating or managing liquid pipelines or other facilities used for processing, storing or transporting natural gas, liquids, oil or their by-products, including the Pipeline Inspection, Protection, Enforcement
and Safety Act (49 U.S.C. Chapter 601), the Hazardous Liquid Pipeline Safety Act (49 U.S.C. Chapter 601), the Natural Gas Pipeline Safety Act (49 U.S.C. Chapter 601) and the Pipeline Safety Improvement Act (49 U.S.C. Chapter 601). 

“Pro Rata Portion” means, with respect to any Purchaser, a fraction, the numerator of which is equal to such
Purchaser’s Commitment Amount, and the denominator of which is equal to $500,000,000.  
 “Property”
means any interest in any kind of property or asset, whether real, personal or mixed, or tangible or intangible (including intellectual property rights). 

  
 5 

 “Purchase Price” means the sum of the Initial Unit Purchase Price and any
Additional Unit Purchase Price paid as of any given time. 
 “Purchased Units” has the meaning specified in
Section 2.02. 
 “Purchaser Related Parties” has the meaning specified in Section 5.01. 

“Purchasers” has the meaning set forth in the introductory paragraph of this Agreement. 

“Registration Rights Agreement” means the Registration Rights Agreement, dated of even date herewith, between
Crestwood and the Purchasers. 
 “Representatives” means, with respect to a specified Person, the investors,
officers, directors, managers, employees, agents, advisors, counsel, accountants, investment bankers and other representatives of such Person. 

“Rights-of-Way” has the meaning specified in Section 3.19. 

“SCD Purchase Price” has the meaning specified in Section 2.02. 

“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: (i) such Person or a Subsidiary
of such Person is a general partner or manager; (ii) at least a majority of the outstanding equity interest having by the terms thereof ordinary voting power to elect a majority of the board of directors or similar governing body 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; or (iii) any corporation or other entity as to which such Person consolidates for accounting purposes. 

“Subsequent Closing” has the meaning specified in Section 2.03. 

“Subsequent Closing Date” has the meaning specified in Section 2.02. 

“Subsequent Transaction Fee” has the meaning specified in Section 6.01. 

“Tax Return” has the meaning specified in Section 3.16(b). 

“Taxes” has the meaning specified in Section 3.16(b). 

  
 6 

 “Third Party Claim” has the meaning specified in Section
5.03(b). 
 Section 1.02 Accounting Procedures and Interpretation. Unless otherwise specified herein, all accounting
terms used herein shall be interpreted, all determinations with respect to accounting matters hereunder shall be made, and all Crestwood Financial Statements and certificates and reports as to financial matters required to be furnished to the
Purchasers hereunder shall be 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 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. 

ARTICLE II 
 AGREEMENT TO
SELL AND PURCHASE 
 Section 2.01 Initial Purchase. On the Initial Closing Date, subject to the terms and conditions hereof,
each Purchaser hereby agrees to purchase from Crestwood, and Crestwood hereby agrees to issue and sell to each Purchaser, the number of Class A Preferred Units set forth opposite each Purchaser’s name on Schedule A for a cash
purchase price of $25.10 (the “ICD Purchase Price”) per Class A Preferred Unit (collectively, the “Initial Units”). 

Section 2.02 Additional Purchases. From time to time, at any time following the Initial Closing Date until September 30,
2015, Crestwood shall request in writing (each such request, a “Funding Call”) that the Purchasers purchase and the Purchasers shall so purchase, in each case in accordance with Section 5.12 of the Partnership Agreement, an
additional $200,000,000 of Class A Preferred Units (collectively, the “Additional Units” and together with the Initial Units, the “Purchased Units”) for a cash purchase price per Class A Preferred Unit
equal to the ICD Purchase Price, which price shall be appropriately adjusted to reflect any unit distribution, split, combination or other recapitalization affecting the interests of Crestwood after the date of this Agreement (such purchase price
with respect to each Subsequent Closing, the “SCD Purchase Price”); provided that, (i) on or prior to September 10, 2015, Crestwood shall make one or more Funding Calls, which shall in the aggregate equal the total
unfunded Commitment Amount of each Purchaser set forth on Schedule A, (ii) upon a Change of Control in which Crestwood is the surviving entity, each Purchaser shall have the right for thirty (30) days thereafter to elect by written
notice to Crestwood to be released from its obligation to fund such Purchaser’s remaining unfunded Commitment Amount with respect to any Funding Call delivered after such Change of Control and upon delivery of any such notice the remaining
unfunded Commitment Amount of such Purchaser shall be reduced to zero and Schedule A shall be revised to reflect such reduction and (iii) any such Funding Call shall be for at least a number of Additional Units such that the aggregate
purchase price for all Additional Units to be purchased at such Subsequent Closing (the “Aggregate SCD Amount”) is not less than $50,000,000 or, in the case of the final Funding Call, the remaining unfunded Commitment Amount if less
than $50,000,000. Each such Funding Call shall be irrevocable and delivered to the Purchasers not less than fifteen (15) Business Days in advance of the date the Purchasers are requested to purchase Additional Units (each such date, a
“Subsequent Closing Date”) and shall state the number of Additional Units to be purchased and the portion of the Aggregate SCD Amount to be paid by each Purchaser, which shall be equal to each Purchaser’s Pro Rata Portion of
the Additional Units to be purchased and 

  
 7 

 
Pro Rata Portion of the Aggregate SCD Amount to be paid, respectively, pursuant to the Funding Call. For each Subsequent Closing Date or upon any transfer of Purchased Units to a permitted
transferee under the Partnership Agreement, Schedule A shall be revised to reflect any such changes in the Purchasers and their Commitment Amounts. Notwithstanding anything to the contrary in this Agreement, (i) Crestwood shall not be
required to make a Funding Call from and after the announcement of an entry into a transaction that, upon consummation thereof, would constitute a Change of Control in which Crestwood is not the surviving entity and (ii) in no event shall any
Purchaser be required to purchase Additional Units if the aggregate amount paid by such Purchaser for all Class A Preferred Units purchased by such Purchaser pursuant to this Agreement (taking into account the Additional Units subject to the
pending Funding Call) exceeds or would exceed the commitment amount set forth opposite such Purchaser’s name on Schedule A (the “Commitment Amount”). For the avoidance of doubt, each Purchaser shall have the right in
connection with any Subsequent Closing to waive the satisfaction by Crestwood of any condition set forth in this Agreement (other than the condition to take delivery of the Purchased Units), including Section 2.02 and Section
2.05. 
 Section 2.03 Closing. Subject to the terms and conditions hereof, the consummation of the purchase and sale of the
Initial Units hereunder (the “Initial Closing”) shall take place on the date of this Agreement (the “Initial Closing Date”) at the offices of Andrews Kurth LLP, 600 Travis, Suite 4200, Houston, Texas 77002. The
consummation of any subsequent purchases of Additional Units contemplated by Section 2.02 of this Agreement (each, a “Subsequent Closing”) shall take place at a time and on a date to be specified by the parties, which
shall be no earlier than 15 Business Days after the date the applicable Funding Call is delivered to the Purchasers and later than the second Business Day after the satisfaction or waiver of the latest to occur of the conditions set forth in
Section 2.05 (other than such conditions which by their nature cannot be satisfied until the Subsequent Closing Date or are to be delivered at the Subsequent Closing, which shall be required to be so satisfied, waived or delivered on the
Subsequent Closing Date) at a location specified by the parties. 
 Section 2.04 Deliveries at the Initial Closing. 

(a) Deliveries of Crestwood at the Initial Closing. At the Initial Closing, Crestwood shall deliver or cause to be delivered (unless
waived by the Purchasers) to the Purchasers: 
 (i) An opinion from Vinson & Elkins LLP, counsel for the Crestwood Entities, in
substantially the form attached hereto as Exhibit A, which shall be addressed to the Purchasers and dated the date of the Initial Closing; 

(ii) An opinion from Simpson Thacher & Bartlett LLP, counsel for Crestwood, in substantially the form attached hereto as Exhibit
B, which shall be addressed to the Purchasers and dated the date of the Initial Closing; 
 (iii) Amendment No. 3 to the Partnership
Agreement, and the Partnership Agreement, as so amended, shall be in full force and effect; 

  
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 (iv) An amendment to the Crestwood Credit Facility entered into by Crestwood and the other
parties thereto to remove any restriction on the issuance of the Purchased Units; 
 (v) A “Supplemental Listing Application”
approving the Conversion Units for listing by the NYSE; 
 (vi) Evidence of issuance of the Initial Units credited to book-entry accounts
maintained by the transfer agent, bearing a restrictive notation meeting the requirements of the Partnership Agreement, free and clear of any Liens, other than transfer restrictions under the Partnership Agreement or the Delaware LP Act and
applicable federal and state securities laws; 
 (vii) A certificate of the Secretary or Assistant Secretary of the General Partner, on
behalf of Crestwood, certifying as to and attaching (1) the Partnership Agreement, as amended, (2) board resolutions authorizing the execution and delivery of the Basic Documents and the consummation of the transactions contemplated
thereby, including the issuance of the Initial Units, and (3) the incumbency of the officers authorized to execute the Basic Documents on behalf of Crestwood, setting forth the name and title and bearing the signatures of such officers; 

(viii) A cross-receipt executed by Crestwood and delivered to the Purchasers certifying that it has received from the Purchasers an amount in
cash equal to the Initial Unit Purchase Price and that Crestwood has paid to the Purchasers the Initial Transaction Fee (which payment will be made by netting the Initial Transaction Fee due to each Purchaser from such Purchaser’s ICD Purchase
Price for the Class A Preferred Units purchased by such Purchaser as of the Initial Closing Date); 
 (ix) A duly executed waiver of the
General Partner with respect to certain of its rights under the Partnership Agreement, in substantially the form attached hereto as Exhibit C; 

(x) The Registration Rights Agreement, which shall have been duly executed by Crestwood; 

(xi) The Board Representation Agreement, which shall have been duly executed by Crestwood and the General Partner; and 

(xii) Such other documents relating to the transactions contemplated by this Agreement as the Purchasers or their counsel may reasonably
request. 
 (b) Deliveries of Each Purchaser at the Initial Closing. At the Initial Closing, each Purchaser shall deliver or
cause to be delivered (unless waived by Crestwood) to Crestwood: 
 (i) The Registration Rights Agreement, which shall have been duly
executed by such Purchaser; 
 (ii) The Board Representation Agreement, which shall have been duly executed by such Purchaser; 

  
 9 

 (iii) A cross-receipt executed by such Purchaser and delivered to Crestwood certifying that it
has received from Crestwood its Pro Rata Portion of the Initial Units; and 
 (iv) Payment of such Purchaser’s Pro Rata Portion of the
Initial Unit Purchase Price (which payment will be made by netting the Initial Transaction Fee due to each Purchaser from such Purchaser’s ICD Purchase Price for the Class A Preferred Units purchased by such Purchaser as of the Initial
Closing Date) payable by wire transfer of immediately available funds to an account designated in advance of the Initial Closing Date by Crestwood. 

Section 2.05 Conditions of Each Purchaser’s Obligations at Subsequent Closings. The obligation of each Purchaser to
consummate any purchase of Additional Units is subject to the satisfaction (or waiver by such Purchaser) on or prior to the Subsequent Closing Date of the following conditions: 

(a) No statute, rule, order, decree or regulation shall have been enacted or promulgated, and no action shall have been taken, by any
Governmental Authority which temporarily, preliminarily or permanently restrains, precludes, enjoins or otherwise prohibits the consummation of the transactions contemplated hereby or makes the transactions contemplated hereby illegal; 

(b) There shall not be pending any suit, action or proceeding by any Governmental Authority seeking to restrain, preclude, enjoin or prohibit
the transactions contemplated by this Agreement; 
 (c) All of the representations and warranties of Crestwood contained in this Agreement
shall be true and correct in all material respects on and as of the Subsequent Closing Date (other than the representations and warranties as of the Initial Closing Date shall be made as of the Subsequent Closing and representations and warranties
as of a specified date shall be true and correct in all material respects on and as of such date) as if such representations and warranties were made on and as of that date, except that those representations and warranties that are qualified by
materiality, Material Adverse Effect or similar phrase shall be true and correct in all respects as written on and as of the Subsequent Closing; 

(d) Each of the Crestwood Entities shall have performed in all material respects all of the covenants required to be performed by it hereunder
prior to such Subsequent Closing; 
 (e) Crestwood represents and warrants that it expects to meet the gross income requirements of
Section 7704(c)(2) of the Code for the taxable year in which such Subsequent Closing occurs; 
 (f) With respect to (A) the first
Subsequent Closing Date, from the Initial Closing Date until such first Subsequent Closing Date and (B) a Subsequent Closing Date after the first Subsequent Closing Date, from the immediately prior Subsequent Closing Date until such Subsequent
Closing Date, (i) no Material Adverse Effect shall have occurred which is continuing and (ii) no default or event which, with notice or lapse of time or both, would constitute a default under the Crestwood Credit Facility, the Indentures
or any other agreement of Crestwood governing material indebtedness for borrowed money shall have occurred which is continuing, except such events of default and other events as to which requisite waivers or consents have been obtained; 

  
 10 

 (g) The delivery by Crestwood of all of the following documents: 

(i) An opinion from Vinson & Elkins LLP, counsel for the Crestwood Entities, in substantially the form attached hereto as Exhibit
A, which shall be addressed to the Purchasers and dated the date of the Subsequent Closing; 
 (ii) An opinion from a national law firm
with a minimum of fifty attorneys in substantially the form attached hereto as Exhibit B, which shall be addressed to the Purchasers and dated the date of the Subsequent Closing; 

(iii) evidence of issuance of the Additional Units credited to book-entry accounts maintained by the transfer agent, bearing a restrictive
notation meeting the requirements of the Partnership Agreement, free and clear of any Liens, other than transfer restrictions under the Partnership Agreement or the Delaware LP Act and applicable federal and state securities laws; 

(iv) A duly executed waiver of the General Partner with respect to certain of its rights under the Partnership Agreement, in substantially the
form attached hereto as Exhibit C; 
 (v) a certificate signed by an executive officer of the General Partner, on behalf of
Crestwood, certifying that each of the conditions set forth in Section 2.05(a), Section 2.05(b), Section 2.05(c), Section 2.05(d), Section 2.05(e), Section 2.05(f) and
Section 2.05(h) have been satisfied; 
 (vi) a cross-receipt executed by Crestwood and delivered to the Purchasers certifying
that it has received from the Purchasers an amount in cash equal to the Additional Unit Purchase Price and that Crestwood has paid to the Purchasers the Subsequent Transaction Fee (which payment will be made by netting the Subsequent Transaction Fee
due to each Purchaser from such Purchaser’s SCD Purchase Price for the Class A Preferred Units purchased by such Purchaser as of the Subsequent Closing Date); 

(vii) such other documents relating to the transactions contemplated by this Agreement as such Purchaser or its counsel may reasonably request;
and 
 (h) Crestwood shall have filed with the NYSE a “Supplemental Listing Application” and supporting documentation, if required,
related to the Conversion Units in respect of such Additional Units and such Conversion Units shall have been approved for listing subject to notice of issuance. 

Section 2.06 Independent Nature of Purchasers’ Obligations and Rights. The obligations of each Purchaser under any Basic
Document 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 any Basic Document. The failure or waiver of
performance under any Basic Document of any Purchaser by Crestwood does not 

  
 11 

 
excuse performance by any other Purchaser and the waiver of performance of Crestwood by any Purchaser does not excuse performance by Crestwood with respect to each other Purchaser. Nothing
contained herein or in any other Basic Document, 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 the Basic Documents. Each Purchaser shall be entitled to independently protect and enforce its
rights, including the rights arising out of this Agreement or out of the other Basic Documents, and it shall not be necessary for any other Purchaser to be joined as an additional party in any proceeding for such purpose. 

Section 2.07 Further Assurances. From time to time after the date hereof, without further consideration, Crestwood and each
Purchaser shall use their commercially reasonable efforts to take, or cause to be taken, all actions necessary or appropriate to consummate the transactions contemplated by this Agreement. 

ARTICLE III 

REPRESENTATIONS AND WARRANTIES AND 

COVENANTS RELATED TO CRESTWOOD 

As of the Initial Closing Date and each Subsequent Closing Date, Crestwood represents and warrants to and covenants with the Purchasers as
follows: 
 Section 3.01 Existence. 

(a) Each of the Crestwood Entities has been duly incorporated or formed, as the case may be, and is validly existing as a limited liability
company, limited partnership or corporation, as the case may be, in good standing under the Laws of its jurisdiction of incorporation or formation, as the case may be, and has the full limited liability company, limited partnership or corporate, as
the case may be, power and authority to own or lease its Properties and assets and to conduct the businesses in all material respects which it is engaged, and is duly registered or qualified as a foreign limited liability company, limited
partnership or corporation, as the case may be, for the transaction of business under the laws of each jurisdiction in which the character of the business conducted by it or the nature or location of the properties owned or leased by it makes such
registration or qualification necessary, except where the failure to so register or qualify would not reasonably be expected to have a Material Adverse Effect. 

(b) None of the Crestwood Entities is in default in the performance, observance or fulfillment of any provision of, in the case of Crestwood,
the Partnership Agreement or its Certificate of Limited Partnership, in the case of the General Partner, any provision of its certification of formation, limited liability company agreement or other similar organizational documents, or, in the case
of any Subsidiary of Crestwood, its respective certificate of incorporation, certification of formation, certificate of limited partnership, bylaws, limited liability company agreement, partnership agreement or other similar organizational
documents. 

  
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 (c) The Partnership Agreement has been, and in the case of Amendment No. 3 to the
Partnership Agreement at the Initial Closing or Subsequent Closing, as the case may be, will be, duly authorized, executed and delivered by the General Partner and is (or, in the case of Amendment No. 3 to the Partnership Agreement, as of the
Initial Closing Date will be or as of the Subsequent Closing Date has been) a valid and legally binding agreement of the General Partner, enforceable against the General Partner in accordance with its terms; the GP LLC Agreement (together with the
Partnership Agreement, the “Operative Agreements”) has been duly authorized, executed and delivered by the parties thereto and is a valid and legally binding agreement of the parties thereto, enforceable against the parties thereto
in accordance with its terms; provided that, with respect to each Operative Agreement, the enforceability thereof may be limited by bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and similar laws relating to or
affecting creditors’ rights generally and by general principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law); and provided further, that the indemnity, contribution and
exoneration provisions contained in any of such Operative Agreements may be limited by applicable laws and public policy. 

Section 3.02 Capitalization and Valid Issuance of Purchased Units. 

(a) As of the date hereof, and prior to the issuance and sale of the Purchased Units, the issued and outstanding limited partner interests of
Crestwood consist of 188,016,821 Common Units and the incentive distribution rights (as defined in the Partnership Agreement, the “Incentive Distribution Rights”). All outstanding Common Units, Incentive Distribution Rights,
Class A Preferred Units and the limited partner interests represented thereby have been duly authorized and validly issued in accordance with the Partnership Agreement and are fully paid (to the extent required under the Partnership Agreement)
and nonassessable (except as such nonassessability may be affected by matters described in Sections 17-303, 17-607 and 17-804 of the Delaware LP Act). 

(b) The General Partner is the sole general partner of Crestwood with a non-economic general partner interest in Crestwood; such general
partner interest has been duly authorized and validly issued in accordance with the Partnership Agreement and the General Partner owns such interest free and clear of all Liens (except for (A) restrictions on transferability contained in
Section 4.6 of the Partnership Agreement or as disclosed in the Crestwood SEC Documents (B) Liens created, arising under or securing (i) the Crestwood Credit Facility or (ii) that certain Amended and Restated Credit Agreement,
dated February 2, 2011, among Crestwood Equity Partners LP, as borrower, JPMorgan Chase Bank, N.A., as administrative agent, and the lenders party thereto, as further amended from time to time and (C) other than Liens arising under the
Partnership Agreement or the Delaware LP Act). 
 (c) The Purchased Units being purchased by the Purchasers hereunder and the limited partner
interests represented thereby will be duly authorized by Crestwood pursuant to the Partnership Agreement (as amended by Amendment No. 3 to the Partnership Agreement) prior to the Initial Closing or applicable Subsequent Closing, as the case may
be, 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 the Partnership Agreement) and nonassessable (except as such
nonassessability may be affected by matters described in Sections 17-303, 17-607 and 17-804 of the Delaware LP Act) and will be free of any and all Liens and restrictions on transfer, other than (i) restrictions on transfer under the
Partnership Agreement (as amended by Amendment No. 3 to the Partnership Agreement) or this 

  
 13 

 
Agreement and under applicable state and federal securities laws, (ii) such Liens as are created by the Purchasers and (iii) such Liens as arise under the Partnership Agreement (as
amended by Amendment No. 3 to the Partnership Agreement) or the Delaware LP Act. Except as disclosed in the Crestwood SEC Documents, there are no persons entitled to statutory, preemptive or other similar contractual rights to subscribe for the
Purchased Units; and, except for the Purchased Units to be issued pursuant to this Agreement or as disclosed in the Crestwood SEC Documents, no options, warrants or other rights to purchase, agreements or other obligations to issue, or rights to
convert any obligations into or exchange any securities for, partnership securities or ownership interests in Crestwood are outstanding. 

(d) Upon issuance in accordance with this Agreement and the terms of the Class A Preferred Units, the Conversion Units will be duly
authorized, validly issued, fully paid (to the extent required by the Partnership Agreement) and nonassessable (except as such nonassessability may be affected by matters described in Sections 17-303, 17-607 and 17-804 of the Delaware LP Act) and
will be free of any and all Liens and restrictions on transfer, other than (i) restrictions on transfer under the Basic Documents and under applicable state and federal securities laws, (ii) such Liens as are created by the Purchasers and
(iii) such Liens as arise under the Partnership Agreement (as amended by Amendment No. 3 to the Partnership Agreement) or the Delaware LP Act. 

Section 3.03 Crestwood SEC Documents; Crestwood Financial Statements. Except as disclosed in the Crestwood SEC
Documents, since January 1, 2013, Crestwood’s forms, registration statements, reports, schedules and statements required to be filed by it under the Exchange Act or the Securities Act (all such documents filed prior to the date hereof,
collectively the “Crestwood SEC Documents”) have been filed with the Commission on a timely basis. The Crestwood SEC Documents, including any audited or unaudited financial statements and any notes thereto or schedules included
therein (the “Crestwood Financial Statements”), at the time filed (or in the case of registration statements, solely on the dates of effectiveness) (except to the extent corrected by a subsequent Crestwood SEC Document) (a) 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 in the case of any
prospectus, not misleading, (b) complied as to form in all material respects with the applicable requirements of the Exchange Act and the Securities Act, as the case may be, (c) 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, (d) in the case of the Crestwood Financial Statements, 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 (e) in the case of the Crestwood Financial
Statements, fairly present (subject in the case of unaudited statements to normal and recurring and year-end audit adjustments) in all material respects the consolidated financial position of Crestwood and its consolidated subsidiaries as of the
dates thereof and the consolidated results of its operations and cash flows of Crestwood and its Subsidiaries for the periods then ended. The independent auditor of Crestwood and the General Partner as of the date of the most recent balance sheet of
Crestwood is an independent registered public accounting firm with respect to Crestwood and the General Partner and has not resigned or been dismissed as independent registered public accountants of Crestwood as a result of or in connection with any
disagreement with Crestwood on any matter of accounting principles or  

  
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practices, financial statement disclosure or auditing scope or procedures. Since the date of the most recent balance sheet of Crestwood reviewed or audited by such auditor, and the audit
committee of the board of directors of the General Partner until the Initial Closing Date, (i) the interactive data in eXtensible Business Reporting Language included or incorporated by reference in the Crestwood SEC Documents fairly presents
the information called for in all material respects and has been prepared in accordance with the Securities and Exchange Commission’s rules and guidelines applicable thereto and (ii) there are no material weaknesses or significant
deficiencies in Crestwood’s internal controls. 
 Section 3.04 No Material Adverse Change. Except as expressly set forth in
or contemplated by the Crestwood SEC Documents, since December 31, 2013 through the Initial Closing Date: (a) there has not occurred any adverse change, or any development involving or which may reasonably be expected to involve,
individually or in the aggregate, an adverse change, in the condition, financial or otherwise, general affairs, business, operations, prospects, properties, management, partners’ capital, stockholders’ equity, net worth or results of
operations of the Partnership Entities, taken as a whole, in each case except as would not, in the aggregate, reasonably be expected to have a Material Adverse Effect; and (b) there is not, to the knowledge of the Crestwood Entities, any
default or event which, with notice or lapse of time or both, would constitute a default under the Crestwood Credit Facility, the Indentures or any other agreement of Crestwood governing material indebtedness for borrowed money, except such events
of default and other events as to which requisite waivers or consents have been obtained or which are no longer continuing. 

Section 3.05 No Registration Required. Assuming the accuracy of the representations and warranties of each Purchaser contained in
Article IV, the issuance and sale of the Purchased Units pursuant to this Agreement is exempt from registration requirements of the Securities Act, and neither Crestwood nor, to the knowledge of Crestwood, any authorized Representative acting on its
behalf has taken or will take any action hereafter that would cause the loss of such exemption 
 Section 3.06 Litigation.
Except as set forth in the Crestwood SEC Documents, there are no legal or governmental proceedings pending to which any Crestwood Entity is a party or to which any Property or asset of any Crestwood Entity is subject that would reasonably be
expected to have, individually or in the aggregate, a Material Adverse Effect or which challenges the validity of any of the Basic Documents or the right of any Crestwood Entity to enter into any of the Basic Documents or to consummate the
transactions contemplated hereby and thereby and, to the knowledge of Crestwood, no such proceedings are threatened by Governmental Authorities or others. 

Section 3.07 No Conflicts. None of (i) the offering, issuance and sale by Crestwood of the Purchased Units and the
application of the proceeds therefrom, (ii) the execution, delivery and performance of the Basic Documents, or (iii) the consummation of the transactions contemplated thereby (1) constitutes or will constitute a violation of the
Partnership Agreement, the GP LLC Agreement or the other organizational documents of any of Crestwood, the General Partner or the Subsidiaries, (2) constitutes or will constitute a breach or violation of, or a default (or an event which, with
notice or lapse of time or both, would constitute such a default) under, any indenture, mortgage, deed of trust, loan agreement, lease or other agreement or instrument to 

  
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which any of Crestwood, the General Partner or the Subsidiaries is a party or by which any of them or any of their respective properties may be bound, (3) violates or will violate any
statute, Law, Permit or regulation or any order, judgment, decree or injunction of any court or Governmental Authority or body having jurisdiction over of Crestwood, the General Partner or the Subsidiaries or any of their properties in a proceeding
to which any of them or their property is or was a party, or (4) results or will result in the creation or imposition of any Lien upon any property or assets of any of Crestwood, the General Partner or the Subsidiaries, which conflicts,
breaches, violations, defaults or liens, in the case of clauses (2), (3) or (4), would, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. 

Section 3.08 Authority; Enforceability. Crestwood has all requisite power and authority to issue, sell and deliver the Purchased
Units, in accordance with and upon the terms and conditions set forth in this Agreement and the Partnership Agreement. All partnership or limited liability company action, as the case may be, required to be taken by the General Partner and Crestwood
for the authorization, issuance, sale and delivery of the Purchased Units, the execution and delivery of the Basic Documents and the consummation of the transactions contemplated thereby shall have been validly taken. No approval from the holders of
outstanding Common Units is required under the Partnership Agreement or the rules of the NYSE in connection with Crestwood’s issuance and sale of the Purchased Units to the Purchasers. Each of the Basic Documents has been duly and validly
authorized and has been or, with respect to the Basic Documents to be delivered at the Initial Closing, will be, validly executed and delivered by Crestwood or the General Partner, as the case may be, and constitutes, or will constitute, the legal,
valid and binding obligations of Crestwood or the General Partner, as the case may be, enforceable in accordance with its terms, except as such enforceability may be limited by bankruptcy, insolvency, reorganization and other laws of general
applicability relating to or affecting creditors’ rights and by general principles of equity. 
 Section 3.09 Approvals.
Except as required by the Commission in connection with Crestwood’s 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 Crestwood of any of the Basic Documents or Crestwood’s issuance and sale of the
Purchased Units, except (i) as may be required under the state securities or “Blue Sky” Laws, or (ii) 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 a Material Adverse Effect. 

Section 3.10 MLP Status. Crestwood has, for each taxable year beginning after December 31, 2006, during which Crestwood was
in existence, met the gross income requirements of Section 7704(c)(2) of the Internal Revenue Code of 1986, as amended (the “Code”). Crestwood expects to meet the gross income requirements of Section 7704(c)(2) of the Code
for its taxable year ending December 31, 2014. 
 Section 3.11 Investment Company Status. None of the Crestwood Entities is
now, and immediately after the sale of the Purchased Units hereunder and the application of the net proceeds from such sale none of the Crestwood Entities will be, an “investment company” or a company controlled by an “investment
company” within the meaning of the Investment Company Act of 1940, as amended. 

  
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 Section 3.12 Certain Fees. Except for fees to be paid by Crestwood to the Purchasers
or their designee, no fees or commissions are or will be payable by Crestwood 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.
Crestwood agrees that it will indemnify and hold harmless 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 Crestwood or alleged
to have been incurred by Crestwood in connection with the sale of the Purchased Units or the consummation of the transactions contemplated by this Agreement. 

Section 3.13 Insurance. The Crestwood Entities maintain or are entitled to the benefits of insurance from reputable insurers
covering their properties, operations, personnel and businesses against such losses and risks as are reasonably adequate to protect them and their businesses in a commercially reasonable manner. None of the Crestwood Entities (i) has received
notice from any insurer or agent of such insurer that substantial capital improvements or other expenditures will have to be made in order to continue such insurance or (ii) has any reason to believe that it 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 at a cost that would not have a Material Adverse Effect, except as described in the
Crestwood SEC Documents. 
 Section 3.14 Books and Records; Sarbanes-Oxley Compliance. 

(a) Crestwood and its Subsidiaries maintain systems 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 the Partnership Entities’ financial statements in conformity
with GAAP and to maintain accountability for its assets, (iii) access to the Partnership Entities’ assets is permitted only in accordance with management’s general or specific authorization and (iv) the recorded accountability
for the Partnership Entities’ assets is compared with existing assets at reasonable intervals and appropriate action is taken with respect to any differences. Crestwood is not aware of any failures of such internal accounting controls that are
material or that would be required to be disclosed pursuant to any applicable Law. 
 (b) Crestwood has established and maintains disclosure
controls and procedures (to the extent required by and as defined in Rules 13a- 15(e) and 15d-15(e) under the Exchange Act, which are designed to provide reasonable assurance that information required to be disclosed by Crestwood in reports that it
files or submits under the Exchange Act is recorded, processed, summarized and communicated to Crestwood’s management, including its principal executive officer and principal financial officer, as appropriate, to allow for timely decisions
regarding required disclosure. Crestwood has carried out evaluations of the effectiveness of its disclosure controls and procedures and such disclosure controls and procedures are effective in all material respects to perform the functions for which
they were established. 

  
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 (c) There is and has been no failure on the part of Crestwood and, to Crestwood’s knowledge,
the General Partner’s directors or officers, in their capacities as such, to comply in all material respects with all applicable provisions of the Sarbanes-Oxley Act of 2002 and the rules and regulations promulgated in connection therewith.

 Section 3.15 Listing and Maintenance Requirements. The Common Units are listed on the NYSE, and Crestwood has not received
any notice of delisting. The issuance and sale of the Purchased Units and the offer of the Common Units and issuance of such Common Units upon conversion of the Purchased Units does not contravene NYSE rules and regulations. 

Section 3.16 Taxes. 

(a) Except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect, (i) each of the
Crestwood Entities has prepared and timely filed (taking into account any extension of time within which to file) all Tax Returns required to be filed by any of them and all such filed Tax Returns are complete and accurate, (ii) each of the
Crestwood Entities has timely paid all Taxes that are required to be paid by any of them, (iii) there are no audits, examinations, investigations, actions, suits, claims or other proceedings in respect of Taxes pending or threatened in writing
nor has any deficiency for any Tax been assessed by any Governmental Authority in writing against any Crestwood Entity, and (iv) all Taxes required to be withheld by any Crestwood Entity have been withheld and paid over to the appropriate Tax
authority (except, in the case of this clause (iv) or clause (i) or (ii) above, with respect to matters contested in good faith and for which adequate reserves have been established on Crestwood’s financial statements in
accordance with GAAP). None of the Crestwood Entities has entered into any transaction that, as of the date of this Agreement or applicable Subsequent Closing Date, as the case may be, has been identified by the Internal Revenue Service in published
guidance as a “listed transaction” as defined under Section 1.6011-4(b)(2) of the Treasury Regulations promulgated under the Code. 

(b) As used in this Agreement, (i) “Taxes” means any and all domestic or foreign, federal, state, local or other taxes of
any kind (together with any and all interest, penalties, additions to tax and additional amounts imposed with respect thereto) imposed by any Governmental Authority, including taxes on or with respect to income, franchises, windfall or other
profits, gross receipts, property, sales, use, capital stock, payroll, employment, unemployment, social security, workers’ compensation or net worth, and taxes in the nature of excise, withholding, ad valorem or value added, and including any
liability in respect of any items described above as a transferee or successor, pursuant to Section 1.1502-6 of the Treasury Regulations (or any similar provision of state, local or foreign Law), or as an indemnitor, guarantor, surety or in a
similar capacity under any Contract and (ii) “Tax Return” means any return, report or similar filing (including the attached schedules) filed or required to be filed with respect to Taxes (and any amendments thereto), including
any information return, claim for refund or declaration of estimated Taxes. 

  
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 Section 3.17 Compliance with Laws; Environmental Laws; Pipeline Safety Laws; Permits; and
Environmental Permits. 
 (a) Neither Crestwood nor any of its Subsidiaries is in violation of any Law applicable to Crestwood or its
Subsidiaries, except as would not, individually or in the aggregate, have a Material Adverse Effect. Crestwood and its Subsidiaries possess all Permits issued by the appropriate regulatory authorities necessary to conduct their respective
businesses, except where the failure to possess such Permits would not, individually or in the aggregate, have a Material Adverse Effect, and neither Crestwood nor any such Subsidiary has received any notice of proceedings relating to the revocation
or modification of any such Permit, except where such potential revocation or modification would not, individually or in the aggregate, have a Material Adverse Effect. 

(b) Each of the Partnership Entities has such Permits as are necessary to own its properties and to conduct its business in the manner
described in the Crestwood SEC Documents, subject to such qualifications as may be set forth in the Crestwood SEC Documents and except for such Permits which, if not obtained, would not, individually or in the aggregate, have a Material Adverse
Effect; each of the Partnership Entities has fulfilled and performed all its material obligations with respect to such Permits which are due to have been fulfilled and performed and no event has occurred which allows, or after notice or lapse of
time would allow, revocation or termination thereof or results in any impairment of the rights of the holder of any such Permit, except for such revocations, terminations and impairments that would not, individually or in the aggregate, have a
Material Adverse Effect, subject in each case to such qualifications as may be set forth in the Crestwood SEC Documents; and, except as described in the Crestwood SEC Documents, none of such Permits contains any restriction that is materially
burdensome to the Partnership Entities, taken as a whole. 
 (c) The Crestwood Entities have timely applied for or obtained and are in
compliance with all such obtained material Environmental Permits required for their operations as currently conducted, except as (i) would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect or
(ii) have been disclosed in Crestwood SEC Documents. Crestwood has not received written notice of any pending action or proceeding and, to the knowledge of the Crestwood Entities, no action or proceeding is threatened, to suspend, revoke,
modify or terminate any Environmental Permit held by the Crestwood Entities that would have a Material Adverse Effect on the Crestwood Entities. Except as disclosed on Schedule 3.17(c), the operations of the Crestwood Entities are in
compliance with all Environmental Laws and, to the knowledge of the Crestwood Entities, no occurrences or conditions currently exist that would reasonably be expected to adversely affect the Crestwood Entities’ continued compliance with
Environmental Laws and Environmental Permits, except as (i) would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect or (ii) have been disclosed in Crestwood SEC Documents. There are no present
claims under Environmental Law asserted against any of the Crestwood Entities, including claims relating to the release, spill or disposal of any Hazardous Substances resulting from the operations of the Crestwood Entities, except as such claims
(i) would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect or (ii) have been disclosed in Crestwood SEC Documents. Notwithstanding any other provision of this Agreement, the representations
and warranties set forth in this Section 3.17(c) are the only representations and warranties relating to Environmental Laws or Environmental Permits. 

  
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 (d) Except as disclosed on Schedule 3.17(d), the operations of the Crestwood Entities are
in compliance with all Pipeline Safety Laws and, to the knowledge of the Crestwood Entities, no occurrences or conditions currently exist that would reasonably be expected to adversely affect the Crestwood Entities’ continued compliance with
Pipeline Safety Laws, except as (i) would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect or (ii) have been disclosed in Crestwood SEC Documents. Notwithstanding any other provision of this
Agreement, the representations and warranties set forth in this Section 3.17(d) are the only representations and warranties relating to Pipeline Safety Laws 

Section 3.18 Title to Property. Each of the Partnership Entities has good and indefeasible title to all real property (save and
except for Rights-of-Way) and good title to all personal property described in the Crestwood SEC Documents as owned by such Partnership Entity, free and clear of all Liens except such (i) as are described in the Crestwood SEC Documents,
(ii) as are created, arise under or secure the Crestwood Credit Facility or (iii) as would not, in the aggregate, reasonably be expected to have a Material Adverse Effect. 

Section 3.19 Rights of Way. Each of the Partnership Entities has such consents, easements, rights-of-way or licenses
(“Rights-of-Way”) from any person as are necessary to conduct its business in the manner described in the Crestwood SEC Documents, subject to such qualifications as may be set forth in the Crestwood SEC Documents and except for such
rights-of-way the failure of which to have obtained would not have, individually or in the aggregate, a Material Adverse Effect. 

Section 3.20 Form S-3 Eligibility. As of the Initial Closing Date, Crestwood is eligible to register the resale of its
Class A Preferred Units and Common Units for resale by the Purchasers under Form S-3 promulgated under the Securities Act. 

Section 3.21 Designated Preferred Stock Covenant. No Crestwood Entity nor their respective Representatives shall, without the
unanimous written consent of the holders of Class A Preferred Units, designate the Class A Preferred Units as Designated Preferred Stock (as defined in the Indentures) under the Indentures or any future indenture of any Crestwood Entity.

 ARTICLE IV 

REPRESENTATIONS AND WARRANTIES AND 

COVENANTS OF THE PURCHASERS 

Each of the Purchasers, severally but not jointly, represent and warrant and covenant to Crestwood as follows: 

Section 4.01 Existence. Such Purchaser is duly organized and validly existing and in good standing under the laws of its state of
formation, with all necessary power and authority to own properties and to conduct its business as currently conducted. 

  
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 Section 4.02 Authorization, Enforceability. Such Purchaser has all necessary legal
power and authority to enter into, deliver and perform its obligations under the Basic Documents. The execution, delivery and performance of the Basic Documents by such Purchaser and the consummation by it of the transactions contemplated thereby
have been duly and validly authorized by all necessary legal action, and no further consent or authorization of such Purchaser is required. The Basic Documents have been duly executed and delivered by such Purchaser and constitute legal, valid and
binding obligations of such Purchaser; provided that, the enforceability thereof may be limited by bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and similar laws relating to or affecting creditors’ rights
generally and by general principles of equity and except as the rights to indemnification may be limited by applicable law (regardless of whether such enforceability is considered in a proceeding in equity or at law). 

Section 4.03 No Breach. The execution, delivery and performance of the Basic Documents by such Purchaser and the consummation by
such Purchaser of the transactions contemplated thereby will not (a) conflict with or result in a breach or violation of any of the terms or provisions of, or constitute a default under, any material agreement to which such Purchaser is a party
or by which such Purchaser is bound or to which any of the property or assets of such Purchaser is subject, (b) conflict with or result in any violation of the provisions of the organizational documents of such Purchaser, or (c) violate
any statute, order, rule or regulation of any court or governmental agency or body having jurisdiction over such Purchaser or the property or assets of such Purchaser, except in the case of clauses (a) and (c), for such conflicts, breaches,
violations or defaults as would not prevent the consummation of the transactions contemplated by the Basic Documents. 
 Section 4.04
Certain Fees. No fees or commissions are or will be payable by any Purchaser to brokers, finders or investment bankers with respect to the purchase of any of the Purchased Units or the consummation of the transactions contemplated by this
Agreement. Each Purchaser agrees that it will indemnify and hold harmless Crestwood 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 the Purchased Units or the consummation of the transactions contemplated by this Agreement. 

Section 4.05 Unregistered Securities. 

(a) Accredited Investor Status; Sophisticated Purchaser. Such Purchaser is an “accredited investor” within the
meaning of Rule 501 under the Securities Act and is able to bear the risk of its investment in Purchased Units and the Conversion Units. Such Purchaser has such knowledge and experience in financial and business matters that it is capable of
evaluating the merits and risks of the purchase of the Purchased Units and the Conversion Units. 
 (b)
Information. Such Purchaser and its Representatives have been furnished with all materials relating to the business, finances and operations of Crestwood that have been requested and materials relating to the offer and sale of the
Purchased Units and Conversion Units that have been requested by such Purchaser. Such Purchaser and its Representatives have been afforded the opportunity to ask questions of Crestwood. Neither such inquiries nor any other due diligence
investigations conducted at any time by such Purchasers and its Representatives shall modify, amend or affect such Purchasers’ right (i) to rely on Crestwood’s representations and 

  
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warranties contained in Article III above or (ii) to indemnification or any other remedy based on, or with respect to the accuracy or inaccuracy of, or compliance with, the
representations, warranties, covenants and agreements in any Basic Document. Such Purchaser understands that its purchase of the Purchased Units involves a high degree of risk. Such Purchaser has sought such accounting, legal and tax advice as it
has considered necessary to make an informed investment decision with respect to its acquisition of the Purchased Units. 
 (c)
Residency. Such Purchaser shall cooperate reasonably with Crestwood to provide any information necessary for any applicable securities filings. 

(d) Legends. Such Purchaser understands that, until such time as the Purchased Units have been registered pursuant to the
provisions of the Securities Act, or the Purchased Units are eligible for resale pursuant to Rule 144 promulgated under the Securities Act without any restriction as to the number of securities as of a particular date that can then be immediately
sold, the Purchased Units will bear a restrictive legend as provided in the Partnership Agreement. Each Purchaser understands that, until such time as the Conversion Units have been registered pursuant to the provisions of the Securities Act, or the
Conversion Units are eligible for resale pursuant to Rule 144 promulgated under the Securities Act without any restriction as to the number of securities as of a particular date that can then be immediately sold, the Conversion Units will bear a
restrictive legend as provided in the Partnership Agreement. 
 (e) Purchase Representation. Such Purchaser is purchasing the
Purchased Units for its own account and not with a view to distribution in violation of any securities laws. Such Purchaser has been advised and understands that neither the Purchased Units nor the Conversion Units have been registered under the
Securities Act or under the “blue sky” laws of any jurisdiction and may be resold only if registered pursuant to the provisions of the Securities Act (or if eligible, pursuant to the provisions of Rule 144 promulgated under the Securities
Act or pursuant to another available exemption from the registration requirements of the Securities Act). Such Purchaser has been advised and understands that Crestwood, in issuing the Purchased Units, is relying upon, among other things, the
representations and warranties of such Purchaser contained in this Article IV in concluding that such issuance is a “private offering” and is exempt from the registration provisions of the Securities Act. 

(f) Rule 144. Such Purchaser understands that there is no public trading market for the Purchased Units, that none is
expected to develop and that the Purchased Units must be held indefinitely unless and until Purchased Units or Conversion Units received upon conversion thereof are registered under the Securities Act or an exemption from registration is available.
Each Purchaser has been advised of and is aware of the provisions of Rule 144 promulgated under the Securities Act. 
 (g)
Reliance by Crestwood. Such Purchaser understands that the Purchased Units are being offered and sold in reliance on a transactional exemption from the registration requirements of federal and state securities laws and that Crestwood
is relying upon the truth and accuracy of the representations, warranties, agreements, acknowledgments and understandings of such Purchaser set forth herein in order to determine the applicability of such exemptions and the suitability of such
Purchaser to acquire the Purchased Units and the Conversion Units issuable upon conversion thereof. 

  
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 Section 4.06 Short Selling. No Purchaser has engaged in any Short Sales involving
Common Units owned by it between April 24, 2014 and the date of execution of this Agreement. 
 ARTICLE V 

INDEMNIFICATION, COSTS AND EXPENSES 

Section 5.01 Indemnification by Crestwood. Crestwood agrees to indemnify each Purchaser and their respective Representatives
(collectively, “Purchaser Related Parties”) from costs, losses, liabilities, damages, or expenses of any kind or nature whatsoever, 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 or 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), whether or not involving a third party claim, as a result of, arising out of, or in any way related to (i) the failure of any of the representations or warranties made by Crestwood contained herein to be true and correct in all
material respects as of the date made (except with respect to any provisions including the word “material” or words of similar import, with respect to which such representations and warranties must have been true and correct) or
(ii) the breach of any covenants of Crestwood contained herein, provided that, in the case of the immediately preceding clause (i), such claim for indemnification is made prior to the expiration of such representation or warranty;
provided, however, that for purposes of determining when an indemnification claim has been made, the date upon which a Purchaser Related Party shall have given notice (stating in reasonable detail the basis of the claim for
indemnification) to Crestwood shall constitute the date upon which such claim has been made. No Purchaser Related Party shall be entitled to recover special, consequential or punitive damages under this Section 5.01; provided,
however, that such limitation shall not prevent any Purchaser Related Party from recovering under this Section 5.01 for any such damages to the extent that such damages (x) are in the form of diminution in value or
(y) arise in connection with any Third Party Claims. 
 Section 5.02 Indemnification by the Purchasers. Each Purchaser
agrees, severally and not jointly, to indemnify Crestwood, the General Partner and their respective Representatives (collectively, “Crestwood Related Parties”) from, costs, losses, liabilities, damages, or expenses of any kind or
nature whatsoever, 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 or
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), whether or not involving a third party claim, as a result of, arising out of, or in any way related to (i) the failure of
any of the representations or warranties made by such Purchaser contained herein to be true and correct in all material respects as of the date made or (ii) the breach of any of the covenants of such Purchaser contained herein, provided
that, in the case of the immediately preceding clause (i), such claim for indemnification relating to a breach of any representation or warranty is made prior to the expiration of such representation or warranty; provided, however,
that for purposes 

  
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of determining when an indemnification claim has been made, the date upon which a Crestwood Related Party shall have given notice (stating in reasonable detail the basis of the claim for
indemnification) to such Purchaser shall constitute the date upon which such claim has been made; provided, further, that the liability of such Purchasers shall not be greater in amount than the sum of such Purchaser’s Initial
Unit Purchase Price and any Additional Unit Purchase Price paid as of such time. No Crestwood Related Party shall be entitled to recover special, consequential or punitive damages under this Section 5.02; provided, however,
that such limitation shall not prevent any Crestwood Related Party from recovering under this Section 5.02 for any such damages (x) are in the form of diminution in value or (y) to the extent that such damages arise in
connection with any Third Party Claims. 
 Section 5.03 Indemnification Procedure. 

(a) A claim for indemnification for any matter not involving a third party claim may be asserted by notice to the party from whom
indemnification is sought; provided, however, that failure to so notify the indemnifying party shall not preclude the indemnified party from any indemnification which it may claim in accordance with this Article V, except as
otherwise provided in Section 5.01 and Section 5.02. 
 (b) Promptly after any Crestwood Related Party or Purchaser
Related Party (hereinafter, the “Indemnified Party”) has received notice of any indemnifiable claim hereunder, or the commencement of any action, suit or proceeding by a third person, which the Indemnified Party believes in good
faith is an indemnifiable claim under this Agreement (each a “Third Party Claim”), the Indemnified Party shall give the indemnitor hereunder (the “Indemnifying Party”) written notice of such Third Party Claim, 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 Third Party 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, and in no event later than ten (10) days, 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, but shall not be limited to, 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,
within ten (10) Business Days of when the Indemnified Party provides written notice of a Third Party Claim, failed (y) to assume the defense or employ counsel reasonably acceptable to the Indemnified

  
 24 

 
Party and (z) notify the Indemnified Party of such assumption 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, and includes a complete release from liability of, and does not include any admission of wrongdoing
or malfeasance by, the Indemnified Party. The remedies provided for in this Section 5.03 are cumulative and are not exclusive of any remedies that may be available to a party at law or in equity or otherwise. 

Section 5.04 Tax Matters. All indemnification payments under this Article V shall be adjustments to the Purchase Price
except as otherwise required by applicable Law. 
 ARTICLE VI 

MISCELLANEOUS 

Section 6.01 Expenses. All costs and expenses, including fees and disbursements of counsel, financial advisors and accountants,
incurred in connection with the Basic Documents and the transactions contemplated thereby shall be paid by the party incurring such costs and expenses; provided, however, that Crestwood shall pay to the Purchaser (i) a transaction
fee equal to 2.0% of the Initial Unit Purchase Price (the “Initial Transaction Fee”), pro rata and (ii) a transaction fee equal to 2.0% of the Additional Unit Purchase Price (each a “Subsequent Transaction
Fee”), pro rata. The Initial Transaction Fee and each Subsequent Transaction Fee will be made by netting such fee from each Purchaser’s ICD Purchase Price or SCD Purchase Price at the Initial Closing or Subsequent Closing,
respectively. 
 Section 6.02 Interpretation. Article, Section, Schedule and Exhibit references in this Agreement are references
to the corresponding Article, Section, Schedule or Exhibit to this Agreement, unless otherwise specified. All Exhibits and Schedules to this Agreement are hereby incorporated and made a part hereof as if set forth in full herein and are an integral
part of this Agreement. 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” and shall not be construed to limit any general statement that it follows to the specific or similar items or matters immediately
following it. Whenever Crestwood has an obligation under the Basic Documents, the expense of complying with that obligation shall be an expense of Crestwood unless otherwise specified. Any reference in this Agreement to $ shall mean U.S. dollars.
Whenever any determination, consent or approval is to be made or given by a Purchaser, such action shall be in such Purchaser’s sole discretion, unless otherwise specified in this Agreement. If any provision in the Basic Documents is held to be
illegal, invalid, not binding or unenforceable, (i) such provision 

  
 25 

 
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 and (ii) the parties hereto shall negotiate in good faith to modify the Basic Documents so as to effect the original intent of the parties as closely as possible in
an acceptable manner in order that the transactions contemplated hereby are consummated as originally contemplated to the greatest extent possible. When calculating the period of time before which, within which or following which any act is to be
done or step taken pursuant to the Basic Documents, the date that is the reference date in calculating such period shall be excluded. If the last day of such period is a non-Business Day, the period in question shall end on the next succeeding
Business Day. Any words imparting the singular number only shall include the plural and vice versa. The words such as “herein,” “hereinafter,” “hereof” and “hereunder” refer to this Agreement as a whole and
not merely to a subdivision in which such words appear unless the context otherwise requires. The provision of a Table of Contents, the division of this Agreement into Articles, Sections and other subdivisions and the insertion of headings are for
convenience of reference only and shall not affect or be utilized in construing or interpreting this Agreement. 
 Section 6.03
Survival of Provisions. The representations and warranties set forth in Section 3.01(a), Section 3.02, Section 3.04, Section 3.08, Section 3.09, Section 3.11,
Section 3.12, Section 4.01, Section 4.02, Section 4.04 and Section 4.05 hereunder shall survive the execution and delivery of this Agreement indefinitely, the representations and warranties
set forth in Section 3.16 shall survive for a period of three (3) years following the Initial Closing Date or Subsequent Closing Date, as applicable, regardless of any investigation made by or on behalf of Crestwood or the
Purchasers and the other representations and warranties set forth herein shall survive for a period of fifteen (15) months following the Initial Closing Date or Subsequent Closing Date, as applicable, regardless of any investigation made by or
on behalf of Crestwood or the Purchasers. The covenants made in this Agreement or any other Basic Document shall survive the Initial Closing and remain operative and in full force and effect regardless of acceptance of any of the Purchased Units and
payment therefor and repayment, conversion or repurchase thereof. Regardless of any purported general termination of this Agreement, the provisions of Article V and all indemnification rights and obligations of Crestwood and the Purchasers
thereunder, and this Article VI shall remain operative and in full force and effect as between Crestwood and each Purchaser, unless Crestwood and the applicable Purchaser execute a writing that expressly (with specific references to the
applicable Section or subsection of this Agreement) terminates such rights and obligations as between Crestwood and such Purchaser. 

Section 6.04 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 other 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. 

  
 26 

 (b) Specific Waiver. Except as otherwise provided herein, no amendment, waiver,
consent, modification or termination of any provision of any Basic Document (except in the case of the Partnership Agreement for amendments adopted pursuant to Article XIII thereof) shall be effective unless signed by each of the parties thereto
affected by such amendment, waiver, consent, modification or termination. Any amendment, supplement or modification of or to any provision of any Basic Document, any waiver of any provision of any Basic Document and any consent to any departure by
Crestwood from the terms of any provision of any 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 Crestwood in any case shall entitle Crestwood to any other or further notice or demand in similar or other circumstances. Any investigation by or on behalf of any party shall not be deemed to constitute a waiver by the party taking such
action of compliance with any representation, warranty, covenant or agreement contained herein. 
 Section 6.05 Binding Effect.
This Agreement shall be binding upon Crestwood, each of the Purchasers 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 their respective successors and permitted assigns. 
 Section 6.06
Non-Disclosure. 
 (a) For one year after the Initial Closing Date, no Purchaser shall, directly or indirectly, disclose to any person
any information received from Crestwood, in any form, whether acquired prior to or after the Initial Closing Date, relating to the business and operations of the Crestwood Entities; provided, however, that information shall not be
deemed confidential information for purposes of this Section 6.06, where such information (i) was already known to such Purchaser (or its Representatives) at the time of disclosure, (ii) later becomes known to such Purchaser by
having been disclosed to such Purchaser (or its Representatives) by a third party to such Purchaser’s knowledge not subject to any legally binding obligation to keep such information confidential or otherwise prohibited from transmitting such
information, (iii) is or becomes publicly known through no wrongful act of such Purchaser (or its Representatives), or (iv) is independently developed by such Purchaser (or its Representatives) without reference to any confidential
information disclosed to such Purchaser under this Agreement or the Confidentiality Agreements. Notwithstanding the foregoing, a Purchaser may disclose any information relating to the business and operations of the Crestwood Entities (i) to its
Representatives, Affiliates, and funding sources and limited partners, investors, and potential investors of such Purchaser and its Affiliates, to whom such disclosure is necessary or convenient and who in each case either (1) acknowledge that
they are bound by the confidentiality provisions of this Agreement and the Confidentiality Agreements or (2) are bound by confidentiality obligations to the Purchaser or its Affiliates that are at least as stringent as the confidentiality
provisions of this Agreement and the Confidentiality Agreements, and in each case the Purchasers shall use reasonable best efforts to cause such Representatives, Affiliates, and funding sources and limited partners, investors, and potential
investors of such Purchaser and its Affiliates to keep any such information confidential; (ii) to any transferee or proposed transferee of the Purchased Units permitted under the Partnership Agreement; (iii) as required by applicable Law
or any securities exchange or market rule; (iv) as may be requested or required by any Governmental Authority (provided that such Purchaser first notifies Crestwood and gives Crestwood the opportunity to contest such request or requirement, in
each case as permitted by 

  
 27 

 
applicable Law (except no such opportunity shall be afforded in the case of a routine audit or examination by, or a blanket document request from, a governmental or regulatory entity that does
not reference the Partnership)); or (v) except with prior notice of such request for disclosure to, and consent of, Crestwood (which consent may be withheld in Crestwood’s sole discretion). 

(b) Other than filings made by Crestwood with the Commission, the Crestwood Entities and any of their respective Representatives shall disclose
the identity of, or any other information concerning the Purchasers or any of their respective Affiliates only after providing the Purchasers a reasonable opportunity to review and comment on such disclosure (with such comments being incorporated or
reflected, to the extent reasonable, in any such disclosure); provided, however, that nothing in this Section 6.06 shall delay any required filing or other disclosure with the Commission, NYSE or any Governmental Authority
or otherwise hinder the Crestwood Entities’ or their Representatives’ ability to timely comply with all laws or rules and regulations of the Commission, NYSE or other Governmental Authority. 

(c) Notwithstanding anything to the contrary in this Section 6.06, Crestwood and the General Partner agree that the Purchasers may
(i) publicize their ownership in Crestwood, as well as the identity of Crestwood, the size of the investment and its pricing terms with respect to the Class A Preferred Units on its internet site or in marketing materials, press releases,
published “tombstone” announcements or any other print or electronic medium and (ii) display Crestwood’s corporate logo in conjunction with any such reference. 

Section 6.07 Communications. All notices and demands provided for hereunder shall be in writing and shall be given by registered
or certified mail, return receipt requested, telecopy, air courier guaranteeing overnight delivery or personal delivery to the following addresses 
  

	 	(a)	If to the Purchasers: 

 Magnetar Financial LLC 

1603 Orrington Avenue, 13th Floor 

Evanston, IL 60201 
 Attention:
Chief Legal Officer 
 Facsimile: (847) 869-2064 

Email: notices@magnetar.com 
 GSO
COF II Holdings Partners LP 
 345 Park Avenue, 31st Floor 

New York, NY 10154 
 Attention:
Dwight Scott 
 Facsimile: (212) 503-6930 

Email: Dwight.Scott@gsocap.com 

with copies to: 
 Attention:
Michael Zawadzki and Marisa Beeney 
 Email: Michael.Zawadzki@gsocap.com and Marisa.Beeney@gsocap.com 

  
 28 

 GE Structured Finance, Inc. 

800 Long Ridge Road 
 Stamford, CT
06927 
 Attention: General Counsel 

with a copy to 
 Attention: Seth
Barlam 
 Facsimile: (203) 357-6632 

Email: seth.barlam@ge.com 
 with a
copy to (which shall not constitute notice): 
 Andrews Kurth LLP 

600 Travis, Suite 4200 
 Houston,
Texas 77002 
 Attention: G. Michael O’Leary 

Facsimile: (713) 238-7130 

Email: moleary@akllp.com 
 and, in
the case of GE Structured Finance, Inc., with a copy to (which shall not constitute notice): 
 Sidley Austin LLP 

1000 Louisiana, Suite 6000 

Houston, Texas 77002 
 Attention:
Timothy C. Langenkamp 
 Facsimile: (713) 495-7799 

Email: tlangenkamp@sidley.com 
  

	 	(b)	If to Crestwood: 

 Crestwood Midstream Partners LP 

Two Brush Creek Boulevard 
 Suite
200 
 Kansas City, Missouri 64112 

Attention: Michael J. Campbell 

Email: mike.campbell@crestwoodlp.com; 

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

Crestwood Midstream Partners LP 

700 Louisiana Street 
 Suite 2550

 Houston, TX 77002-6760 

Attention: Joel C. Lambert 

Email: joel.lambert@crestwoodlp.com 

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

  
 29 

 Vinson & Elkins LLP 

1001 Fannin Street 
 Suite 2500

 Houston TX 77002-6760 

Attention: Gillian Hobson 

Facsimile: 713.615-5794 
 Email:
ghobson@velaw.com 
 or to such other address as Crestwood or the Purchasers 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 certified or registered mail, return receipt requested, or regular mail, if mailed; upon actual receipt of the overnight courier copy, if
sent via facsimile; and upon actual receipt when delivered to an air courier guaranteeing overnight delivery. 
 Section 6.08
Removal of Legend. In connection with a sale of the Purchased Units by a Purchaser in reliance on Rule 144, the applicable Purchaser or its broker shall deliver to the transfer agent and Crestwood a broker representation letter providing to
the transfer agent and Crestwood any information Crestwood deems necessary to determine that the sale of the Purchased Units is made in compliance with Rule 144, including, as may be appropriate, a certification that the Purchaser is not an
Affiliate of Crestwood and regarding the length of time the Purchased Units have been held. Upon receipt of such representation letter, Crestwood shall promptly direct its transfer agent to remove the notation of a restrictive legend in such
Purchaser’s or the book-entry account maintained by the transfer agent, including the legend referred to in Section 4.05, and Crestwood shall bear all costs associated therewith. After a registration statement under the Securities
Act permitting the public resale of the Purchased Units has become effective or any Purchaser or its permitted assigns have held the Purchased Units for one year, if the book-entry account of such Purchased Units still bears the notation of the
restrictive legend referred to in Section 4.05, Crestwood agrees, upon request of the Purchaser or permitted assignee, to take all steps necessary to promptly effect the removal of the legend described in Section 4.05 from
the Purchased Units, and Crestwood shall bear all costs associated therewith, regardless of whether the request is made in connection with a sale or otherwise, so long as such Purchaser or its permitted assigns provide to Crestwood any information
Crestwood deems reasonably necessary to determine that the legend is no longer required under the Securities Act or applicable state laws, including (if there is no such registration statement) a certification that the holder is not an Affiliate of
Crestwood (and a covenant to inform Crestwood if it should thereafter become an Affiliate and to consent to the notation of an appropriate restriction) and regarding the length of time the Purchased Units have been held. Crestwood shall cooperate
with each Purchaser to effect the removal of the legend referred to in Section 4.05 at any time such legend is no longer appropriate. 

Section 6.09 Entire Agreement. This Agreement, the other Basic Documents and the other agreements and documents referred to herein
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 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 the other Basic Documents with respect to the rights 

  
 30 

 
granted by Crestwood or any of its Affiliates or the Purchasers or any of their respective Affiliates set forth herein or therein. This Agreement, the other Basic Documents and the other
agreements and documents referred to herein or therein supersede all prior agreements and understandings between the parties with respect to such subject matter. 

Section 6.10 Governing Law; Submission to Jurisdiction. This Agreement, and all claims or causes of action (whether in contract or
tort) that may be based upon, arise out of or relate to this Agreement or the negotiation, execution or performance of this Agreement (including any claim or cause of action based upon, arising out of or related to any representation or warranty
made in or in connection with this Agreement), will be construed in accordance with and governed by the laws of the State of Delaware without regard to principles of conflicts of laws. Any action against any party relating to the foregoing shall be
brought in any federal or state court of competent jurisdiction located within the State of Delaware, and the parties hereto hereby irrevocably submit to the non-exclusive jurisdiction of any federal or state court located within the State of
Delaware over any such action. The parties hereby irrevocably waive, to the fullest extent permitted by applicable Law, any objection which they may now or hereafter have to the laying of venue of any such dispute brought in such court or any
defense of inconvenient forum for the maintenance of such dispute. Each of the parties hereto agrees that a judgment in any such dispute may be enforced in other jurisdictions by suit on the judgment or in any other manner provided by Law. 

Section 6.11 Waiver of Jury Trial. THE PARTIES TO THIS AGREEMENT EACH HEREBY WAIVES, AND AGREES TO CAUSE ITS AFFILIATES TO WAIVE,
TO THE FULLEST EXTENT PERMITTED BY LAW, ANY RIGHT TO TRIAL BY JURY OF ANY CLAIM, DEMAND, ACTION OR CAUSE OF ACTION (i) ARISING UNDER THIS AGREEMENT OR (ii) IN ANY WAY CONNECTED WITH OR RELATED OR INCIDENTAL TO THE DEALINGS OF THE PARTIES
HERETO IN RESPECT OF THIS AGREEMENT OR ANY OF THE TRANSACTIONS RELATED HERETO, IN EACH CASE WHETHER NOW EXISTING OR HEREAFTER ARISING, AND WHETHER IN CONTRACT, TORT, EQUITY OR OTHERWISE. THE PARTIES TO THIS AGREEMENT EACH HEREBY AGREES AND CONSENTS
THAT ANY SUCH CLAIM, DEMAND, ACTION OR CAUSE OF ACTION SHALL BE DECIDED BY COURT TRIAL WITHOUT A JURY AND THAT THE PARTIES TO THIS AGREEMENT MAY FILE AN ORIGINAL COUNTERPART OF A COPY OF THIS AGREEMENT WITH ANY COURT AS WRITTEN EVIDENCE OF THE
CONSENT OF THE PARTIES HERETO TO THE WAIVER OF THEIR RIGHT TO TRIAL BY JURY. 
 Section 6.12 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. 
 [Remainder of Page Left Intentionally Blank] 

  
 31 

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

					
	CRESTWOOD MIDSTREAM PARTNERS LP
	By:	 	Crestwood Midstream GP LLC, its general partner
			
		 	By:	 	 /s/ Michael J. Campbell

		 	Name:	 	Michael J. Campbell
		 	Title:	 	Senior Vice President and
		 		 	Chief Financial Officer
	
	MTP ENERGY MASTER FUND LTD
	By:	 	MTP ENERGY MANAGEMENT LLC, its investment manager
	By:	 	MAGNETAR FINANCIAL LLC, its sole member
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC
	
	MTP ENERGY OPPORTUNITIES FUND LLC
	By:	 	MTP ENERGY MANAGEMENT LLC, its managing member
	By:	 	MAGNETAR FINANCIAL LLC, its sole member
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC
	
	MTP ENERGY CM LLC
	By:	 	MAGNETAR FINANCIAL LLC, its manager
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC
	
	HIPPARCHUS FUND LP
	By:	 	MAGNETAR FINANCIAL LLC, its general partner
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC

 [Signature Page to Purchase Agreement] 

 
					
	MAGNETAR CAPITAL FUND II LP
	By:	 	MAGNETAR FINANCIAL LLC, its general partner
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC
	
	MAGNETAR STRUCTURED CREDIT FUND, LP
	By:	 	MAGNETAR FINANCIAL LLC, its general partner
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC
	
	MAGNETAR GLOBAL EVENT DRIVEN FUND LLC
	By:	 	MAGNETAR FINANCIAL LLC, its manager
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC
	
	BLACKWELL PARTNERS LLC
	By:	 	MAGNETAR FINANCIAL LLC, its investment manager
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC
	
	SPECTRUM OPPORTUNITIES FUND LP
	By:	 	MAGNETAR FINANCIAL LLC, its general partner
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC
	
	MAGNETAR ANDROMEDA SELECT FUND LLC
	By:	 	MAGNETAR FINANCIAL LLC, its manager
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC

  
 [Signature Page
to Purchase Agreement] 

 
					
	MAGNETAR CONSTELLATION FUND IV LLC
	By:	 	MAGNETAR FINANCIAL LLC, its manager
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC
	
	COMPASS HTV LLC
	By:	 	MAGNETAR FINANCIAL LLC, its investment manager
			
		 	By:	 	 /s/ Michael Turro

		 	Name:	 	Michael Turro
		 	Title:	 	Chief Compliance Officer
		 		 	Magnetar Financial LLC
	
	GSO COF II HOLDINGS PARTNERS LP
	By:	 	GSO Capital Opportunities Associates II LLC, its General Partner
			
		 	By:	 	 /s/ Thomas Lannarone

		 	Name:	 	Thomas Lannarone
		 	Title:	 	Authorized Signatory
	
	GE STRUCTURED FINANCE, INC.
			
		 	By:	 	 /s/ Gerald Friel

		 	Name:	 	Gerald Friel
		 	Title:	 	Vice President

  
 [Signature Page
to Purchase Agreement] 

 Schedule A 
  

																	
	 Purchaser
	  	Commitment
Amount	 	  	Remaining
Unfunded
Commitment
Amount	 	  	Initial
Units	 	  	Initial Unit
Purchase Price	 
	 MTP Energy Master Fund Ltd
	  	$	125,000,033.10	  	  	$	50,000,003.20	  	  	 	2,988,049	  	  	$	75,000,029.90	  
	 MTP Energy CM LLC
	  	$	63,022,987.60	  	  	$	25,209,185.00	  	  	 	1,506,526	  	  	$	37,813,802.60	  
	 MTP Energy Opportunities Fund LLC
	  	$	29,999,996.90	  	  	$	12,000,008.80	  	  	 	717,131	  	  	$	17,999,988.10	  
	 Magnetar Structured Credit Fund, LP
	  	$	12,408,134.80	  	  	$	4,963,248.90	  	  	 	296,609	  	  	$	7,444,885.90	  
	 Magnetar Constellation Fund IV LLC
	  	$	10,359,999.90	  	  	$	4,144,010.00	  	  	 	247,649	  	  	$	6,215,989.90	  
	 Compass HTV LLC
	  	$	9,928,907.40	  	  	$	3,971,573.00	  	  	 	237,344	  	  	$	5,957,334.40	  
	 Magnetar Capital Fund II LP
	  	$	8,492,710.50	  	  	$	3,397,084.20	  	  	 	203,013	  	  	$	5,095,626.30	  
	 Blackwell Partners LLC
	  	$	6,197,491.20	  	  	$	2,479,001.50	  	  	 	148,147	  	  	$	3,718,489.70	  
	 Magnetar Global Event Driven Fund LLC
	  	$	6,174,374.10	  	  	$	2,469,739.60	  	  	 	147,595	  	  	$	3,704,634.50	  
	 Magnetar Andromeda Select Fund LLC
	  	$	4,999,819.60	  	  	$	1,999,917.80	  	  	 	119,518	  	  	$	2,999,901.80	  
	 Hipparchus Fund LP
	  	$	2,011,413.60	  	  	$	804,555.40	  	  	 	48,082	  	  	$	1,206,858.20	  
	 Spectrum Opportunities Fund LP
	  	$	1,404,144.20	  	  	$	561,662.70	  	  	 	33,565	  	  	$	842,481.50	  
	 GSO COF II Holdings Partners LP
	  	$	199,999,987.70	  	  	$	80,000,000.10	  	  	 	4,780,876	  	  	$	119,999,987.60	  
	 GE Structured Finance, Inc.
	  	$	19,999,981.20	  	  	$	7,999,997.50	  	  	 	478,087	  	  	$	11,999,983.70	  
	 Total:
	  	$	499,999,981.80	  	  	$	199,999,987.70	  	  	 	11,952,191	  	  	$	299,999,994.10	  

 Schedule A-1 

 EXHIBIT A 

FORM OF OPINION OF VINSON & ELKINS LLP 

Capitalized terms used but not defined herein have the meanings assigned to such terms in the Class A Preferred Unit Purchase Agreement
(the “Purchase Agreement”). Crestwood shall furnish to the Purchasers at the Initial Closing an opinion of Vinson & Elkins LLP, counsel for Crestwood, addressed to the Purchasers and dated the Initial Closing Date in form
satisfactory to the Purchasers, and the Purchasers, stating that: 
 (i) Each of the Crestwood Entities is validly existing and in good
standing under the laws of its jurisdiction of incorporation or formation. Each of the Crestwood Entities has all requisite corporate, limited liability company or partnership power and authority, as applicable, under the laws of its jurisdiction of
incorporation or formation necessary to own its properties and carry on its business in all material respects as its business is now being conducted as described in the Crestwood SEC Documents. 

(ii) Except as described in the Crestwood SEC Documents filed prior to the date of the Purchase Agreement and for restrictions on the transfer,
pledge or other encumbrance of ownership or assets arising under federal, state or local laws applicable to natural gas storage and transportation assets, there are no preemptive rights or other rights to subscribe for or to purchase, nor any
restriction upon the voting or transfer of any capital stock, partnership interests or membership interests of any of the Crestwood Entities, except rights or restrictions pursuant to the organizational documents of any such Crestwood Entity or any
other agreement or instrument to which any such Crestwood Entity is a party or by which any such Crestwood Entity may be bound. 
 (iii) The
Initial Units to be issued and sold to the Purchasers by Crestwood pursuant to the Purchase Agreement and the limited partner interests represented thereby have been duly authorized in accordance with the 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 in accordance with the terms of the Partnership Agreement, fully paid (to the extent required under the Partnership
Agreement) and nonassessable (except as such nonassessability may be affected by matters described in Sections 17-303, 17-607 and 17-804 of the Delaware LP Act). 

(iv) No authorization, consent, approval, waiver, license, qualification, filing, declaration, qualification or registration with, any
Governmental Authority is required for the issuance and sale by Crestwood of the Initial Units, the execution, delivery and performance by the Crestwood of the Basic Documents, or the consummation of the transactions contemplated by any of such
agreements, except (i) as may be required in connection with Crestwood’s obligations under the Registration Rights Agreement to register the resale of the Common Units issuable upon conversion of the Initial Units under the Securities Act
and the applicable rules and regulations of the Commission thereunder, (ii) those that have been obtained or (iii) as may be required under state securities or “Blue Sky” laws, as to which we do not express any opinion. 

Exhibit A-1 

 (v) Assuming the accuracy of the representations and warranties of the Purchasers and Crestwood
contained in the Purchase Agreement, the offer, issuance and sale of the Initial Units by Crestwood to the Purchasers solely in the manner contemplated by the Purchase Agreement are exempt from the registration requirements of the Securities Act;
provided that we express no opinion as to any subsequent sale. 
 (vi) Crestwood is not an “investment company” as such term is
defined in the Investment Company Act of 1940, as amended. 
 (vii) None of the offering, issuance and sale by Crestwood of the Initial Units
or the execution, delivery and performance of the Basic Documents by Crestwood or the consummation of the transactions contemplated thereby will result in a breach or violation of (A) the Partnership Agreement, (B) any agreement filed as
an exhibit to Crestwood’s Annual Report on Form 10-K for the year ended December 31, 2013 or any Current Report or Quarterly Report filed thereafter, except for those agreements identified on Schedule I hereto or (C) the
Delaware LP Act or U.S. federal law, which in the case of clauses (B) or (C) would be reasonably expected to have a Material Adverse Effect; provided, however, that we express no opinion pursuant to this paragraph
(vii) with respect to federal or state securities or anti-fraud statutes, rules or regulations. 
 (viii) Each of Basic Documents (other
than the Purchase Agreement) has been duly authorized and validly executed and delivered by Crestwood and the General Partner, as the case may be, and each of the Basic Documents constitutes a valid and binding obligation of Crestwood and the
General Partner, as the case may be, enforceable against Crestwood and the General Partner, as the case may be, in accordance with its terms, except insofar as the enforceability thereof may be limited by (A) applicable bankruptcy, insolvency,
fraudulent transfer, reorganization, moratorium or similar laws from time to time in effect affecting creditors’ rights and remedies generally and by general principles of equity (regardless of whether such principles are considered in a
proceeding in equity or at law) and (B) public policy, applicable law relating to fiduciary duties and indemnification and an implied covenant of good faith and fair dealing. 

  
 Exhibit A-2 

 Schedule I 
  

	1.	Credit Agreement, dated October 7, 2013 (as amended or supplemented to the date hereof), by and among Crestwood Midstream Partners LP, as borrower, the lenders party thereto, and Wells Fargo Bank, National
Association, as administrative agent and collateral agent. 

  

	2.	Indenture, dated as of April 1, 2011 (as amended or supplemented to the date hereof), by and among Crestwood Midstream Partners LP, Crestwood Midstream Finance Corporation, the guarantors party thereto and The Bank
of New York Mellon Trust Company, N.A., as trustee. 

  

	3.	Indenture, dated as of November 8, 2013 (as amended or supplemented to the date hereof), by and among Crestwood Midstream Partners LP, Crestwood Midstream Finance Corp., the guarantors party thereto and U.S. Bank
National Association, as trustee. 

  
 Exhibit A-3 

 EXHIBIT B 

FORM OF OPINION 
 The Purchasers listed on
Schedule I hereto 
 Ladies and Gentlemen: 
 We
have acted as counsel to Crestwood Midstream Partners LP, a Delaware limited partnership (the “Company”), in connection with the purchase by you on the date hereof of Class A Preferred Units (the “Units”) issued by the
Company pursuant to the Class A Preferred Unit Purchase Agreement, dated as of June 17, 2014 (the “Purchase Agreement”), among the Company and the purchasers party thereto (the “Purchasers”). 

We have examined the Purchase Agreement; Amendment No. 3 to the First Amended and Restated Agreement of Limited Partnership of the
Company, dated as of June 17, 2014; and the Registration Rights Agreement, dated as of June 17, 2014 (the “Registration Rights Agreement”), among the Company and the Purchasers. In addition, we have examined, and have relied as
to matters of fact upon, the documents delivered to you at the closing and upon originals, or duplicates or certified or conformed copies, of such records, agreements, documents and other instruments and such certificates or comparable documents of
public officials and of officers and representatives of the Company and have made such other investigations, as we have deemed relevant and necessary in connection with the opinions hereinafter set forth. 

In such examination, we have assumed the genuineness of all signatures, the legal capacity of natural persons, the authenticity of all
documents submitted to us as originals, the conformity to original documents of all documents submitted to us as duplicates or certified or conformed copies and the authenticity of the originals of such latter documents. 

Exhibit B-1 

 Based upon the foregoing, and subject to the qualifications, assumptions and limitations stated
herein, we are of the opinion that the issue and sale of the Units by the Company and the execution, delivery and performance by the Company of the Purchase Agreement and the Registration Rights Agreement will not breach or result in a default under
any of the agreements or instruments identified on Schedule II hereto. 
 We do not express any opinion herein concerning any law other than
the law of the State of New York. 
 This opinion letter is rendered to you in connection with the above-described transaction. This opinion
letter may not be relied upon by you for any other purpose, or relied upon by, or furnished to, any other person, firm or corporation without our prior written consent. 

Very truly yours, 

  
 Exhibit B-2 

 SCHEDULE I 

PURCHASERS 

MTP Energy Master Fund Ltd 
 MTP Energy Opportunities Fund LLC

 MTP Energy CM LLC 
 Hipparchus Fund LP 

Magnetar Capital Fund II LP 
 Magnetar Structured Credit Fund, LP

 Magnetar Global Event Driven Fund LLC 
 Blackwell Partners
LLC 
 Spectrum Opportunities Fund LP 
 Magnetar Andromeda
Select Fund LLC 
 Magnetar Constellation Fund IV LLC 
 Compass
HTV LLC 
 GSO COF II Holdings Partners LP 
 GE Structured
Finance, Inc. 

  
 Exhibit B-3 

 SCHEDULE II 

CONTRACTS 
  

	1.	Credit Agreement, dated October 7, 2013 (as amended or supplemented to the date hereof), by and among Crestwood Midstream Partners LP, as borrower, the lenders party thereto, and Wells Fargo Bank, National
Association, as administrative agent and collateral agent. 

  

	2.	Indenture, dated as of April 1, 2011 (as amended or supplemented to the date hereof), by and among Crestwood Midstream Partners LP, Crestwood Midstream Finance Corporation, the guarantors party thereto and The Bank
of New York Mellon Trust Company, N.A., as trustee. 

  

	3.	Indenture, dated as of November 8, 2013 (as amended or supplemented to the date hereof), by and among Crestwood Midstream Partners LP, Crestwood Midstream Finance Corp., the guarantors party thereto and U.S. Bank
National Association, as trustee. 

  
 Exhibit B-4 

 EXHIBIT C 

FORM OF GENERAL PARTNER WAIVER 

[Date] 
 Crestwood Midstream GP
LLC (the “General Partner”), a Delaware limited liability company and the general partner of Crestwood Midstream Partners LP (“Crestwood”), in its own capacity and in its capacity as the general partner of Crestwood, hereby
waives any preemptive rights it may hold pursuant to Section 5.8 of the First Amended and Restated Agreement of Limited Partnership of Crestwood, dated as of December 21, 2011, as amended, with respect to the Partnership’s
privately-negotiated Class A Preferred Unit Purchase Agreement, dated as of June 17, 2014, by and among Crestwood and each of the Purchasers set forth in Schedule A thereto, to issue and sell an aggregate of 11,952,191 Class A
Preferred Units representing limited partner interests of Crestwood for a cash purchase price of $25.10 per Class A Preferred Unit. 

IN WITNESS WHEREOF, the undersigned executes this General Partner Waiver, effective as of the date first above written. 

 

			
	CRESTWOOD MIDSTREAM GP LLC
		
	By:	 	  

	Name:	 	
	Title:	 	

 Exhibit C-1

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