Document:

EX-10.1

 Exhibit 10.1 

Execution 

SUPPORT AGREEMENT 
 THIS
SUPPORT AGREEMENT, dated as of October 25, 2021 (this “Agreement”), is entered into by and among Crestwood Equity Partners LP, a Delaware limited partnership (“Parent”), Oasis Midstream Partners LP, a Delaware
limited partnership (the “Partnership”), Oasis Petroleum Inc., a Delaware corporation (the “Sponsor”), OMP GP LLC, a Delaware limited liability company and the general partner of the Partnership (the
“General Partner” and together with the Partnership, the “Partnership Parties”), and OMS Holdings LLC, a Delaware limited liability company and an indirect wholly owned Subsidiary of the Sponsor
(“Holdings” and together with the Sponsor, the “Sponsor Parties”). 
 RECITALS: 

WHEREAS, concurrently with the execution of this Agreement, Parent, Project Falcon Merger Sub LLC, a Delaware limited liability company
and direct wholly owned Subsidiary of Parent (“Merger Sub”), Project Phantom Merger Sub LLC, a Delaware limited liability company and direct wholly owned Subsidiary of Parent (“GP Merger Sub” and, together with
Parent and Merger Sub, the “Parent Parties”), the Partnership, the General Partner, and, solely for the purposes of Section 2.1(a)(i) thereof, Crestwood Equity GP LLC, a Delaware limited liability company and the general
partner of Parent, are entering into an Agreement and Plan of Merger (as it may be amended, supplemented, restated or otherwise modified from time to time, the “Merger Agreement”), pursuant to which, among other things,
(a) Merger Sub will merge with and into the Partnership (the “LP Merger”), with the Partnership surviving the LP Merger as a direct wholly owned Subsidiary of Parent, and (b) GP Merger Sub will merge with and into the
General Partner (the “GP Merger” and, together with the LP Merger, the “Mergers”), with the General Partner surviving the GP Merger as a direct wholly owned Subsidiary of Parent; 

WHEREAS, as of the date hereof, the Sponsor indirectly owns (i) 33,846,032 common units representing limited partner interests in the
Partnership (“Partnership Common Units”) and (ii) 100% of the limited liability company interests in the General Partner (the “GP LLC Interests”); and 

WHEREAS, as a material inducement to the Parent Parties and the Partnership Parties to enter into the Merger Agreement, the Parent
Parties and the Partnership Parties have required the Sponsor Parties to agree, and the Sponsor Parties have agreed, to enter into this Agreement and abide by the covenants and obligations set forth herein with respect to the Covered Units (as
hereinafter defined) and the GP LLC Interests. 
 NOW THEREFORE, in consideration of the foregoing and the mutual representations,
warranties, covenants and agreements herein contained, and intending to be legally bound hereby, the parties hereto agree as follows: 

ARTICLE 1 
 DEFINED TERMS

 The following capitalized terms, as used in this Agreement, shall have the meanings set forth below. Capitalized terms used but not
otherwise defined herein shall have the meanings ascribed thereto in the Merger Agreement. 
 “business day” means any day
other than a Saturday, a Sunday or a legal holiday for commercial banks in New York, New York. 
 “Covered Units” means the
Existing Units, together with any Partnership Common Units that the Sponsor Parties acquire, either beneficially or of record, including through an Affiliate thereof, on or after the date of this Agreement, including any Partnership Common Units
received as distributions, as a result of a split, reverse split, combination, merger, consolidation, reorganization, reclassification, recapitalization or similar transaction or upon exercise of any option, warrant or other security or instrument
exercisable for, or convertible or exchangeable into, Partnership Common Units. 
 “Existing Units” means all Partnership
Common Units owned, either beneficially or of record, by the Sponsor Parties, or an Affiliate thereof, on the date of this Agreement. 

 “knowledge” means the actual knowledge of the individuals listed on
Schedule I hereto. 
 “Partnership Entity” means each of the Partnership and its Subsidiaries. 

“Permitted Transfer” means a Transfer of Covered Units by either of the Sponsor Parties (or an Affiliate thereof) to a
controlled Affiliate of either of the Sponsor Parties or in connection with a pledge or encumbrance under the agreements governing the indebtedness for borrowed money of the Sponsor Parties, provided that such transferee
Affiliate agrees in writing to assume all of such Sponsor Party’s obligations hereunder in respect of the Covered Units subject to such Transfer and to be bound by, and comply with, the terms of this Agreement, with respect to the Covered Units
subject to such Transfer. 
 “Transfer” means, directly or indirectly, to sell, transfer, assign, pledge, encumber or
otherwise dispose of (whether by merger or consolidation (including by conversion into securities or other consideration as a result of such merger or consolidation), by tendering into any tender or exchange offer, by testamentary disposition, by
operation of law or otherwise), either voluntarily or involuntarily, or to enter into any contract, option or other arrangement or understanding with respect to the voting of or sale, transfer, assignment, pledge, encumbrance or other disposition of
(whether by merger or consolidation (including by conversion into securities or other consideration as a result of such merger or consolidation), by tendering into any tender or exchange offer, by testamentary disposition, by operation of law or
otherwise). For the avoidance of doubt, transfers of equity securities of the Sponsor shall not be deemed to be a “Transfer.” 

ARTICLE 2 
 WRITTEN
CONSENT 
 Section 2.1 Delivery. The Sponsor Parties hereby agree that, within forty-eight (48) hours after the Form S-4 has been declared effective by the U.S. Securities and Exchange Commission, the Sponsor and/or its Affiliates, as applicable, shall execute and deliver a written consent, substantially in the form attached
hereto as Exhibit A (the “Written Consent”), covering all of the Covered Units and approving the matters set forth therein. 

Section 2.2 Termination. In the event the Sponsor and/or one of its Affiliates does not deliver the Written Consent as provided in
Section 2.1 hereof, any of the Sponsor, the Partnership or Parent may immediately terminate this Agreement, regardless of whether or not the terminating party may otherwise be in breach of this Agreement (including
Section 2.1) and regardless of any acknowledgment of receipt of such consent. The parties acknowledge and agree that the sole and exclusive remedy of the Partnership Parties and the Sponsor Parties, under this Agreement or
Law or in equity, with respect to a breach of Section 2.1 by the Sponsor or any of its Affiliates is to terminate this Agreement pursuant to this Section 2.2 and as expressly set forth in the
Merger Agreement. For the avoidance of doubt, and in furtherance of the foregoing, the Partnership Parties and the Sponsor Parties hereby irrevocably waive any right they may have under this Agreement or at Law or in equity to specific performance
(or any other similar remedy) with respect to the obligations of Sponsor and its Affiliates under Section 2.1. 

Section 2.3 Breakup Fee. If (x) Sponsor or Parent terminates this Agreement pursuant to Section 2.2
and the Merger Agreement is terminated pursuant to Section 7.1(f) thereof and (y) within two business days of such termination, the Conflicts Committee determines in good faith that the termination of the Merger Agreement, and the
payment of the Breakup Fee, is not in the best interests of the Partnership and the holders of the Partnership Common Units (excluding the Sponsor Parties and its Affiliates) (disregarding the application of this
Section 2.3), then the Sponsor shall have the obligation to pay the Breakup Fee to Parent as set forth in Section 7.3 of the Merger Agreement. 

Section 2.4 No Inconsistent Agreements. The Sponsor Parties hereby represent, covenant and agree that, except for this Agreement
and the Merger Agreement, the Sponsor Parties have not (a) entered into, and shall not enter into at any time while this Agreement remains in effect, any voting agreement or voting trust with respect to the Covered Units or the GP LLC Interests
or (b) granted, and shall not grant at any time while this Agreement remains in effect, a proxy, consent or power of attorney with respect to the Covered Units or the GP LLC Interests. 

  
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 ARTICLE 3 

REPRESENTATIONS AND WARRANTIES 

Section 3.1 Representations and Warranties of Sponsor Parties. The Sponsor Parties hereby represent and warrant to the Parent
Parties and the Partnership as follows: 
 (a) Organization; Authorization; Validity of Agreement; Necessary Action. The Sponsor
Parties are legal entities duly organized, validly existing and in good standing under the Laws of Delaware. The Sponsor Parties have all the requisite power and authority to execute and deliver this Agreement and to perform their respective
obligations hereunder. The execution and delivery by the Sponsor Parties of this Agreement, the performance by the Sponsor Parties of their respective obligations hereunder and the consummation by the Sponsor Parties of the transactions contemplated
hereby have been duly and validly authorized by the Sponsor Parties and no other actions or proceedings are required on the part of the Sponsor Parties to authorize the execution and delivery of this Agreement, the performance by the Sponsor Parties
of their respective obligations hereunder or the consummation by the Sponsor Parties of the transactions contemplated hereby. This Agreement has been duly and validly executed and delivered by the Sponsor Parties and, assuming the due authorization,
execution and delivery of this Agreement by Parent and the Partnership Parties, constitutes a legal, valid and binding agreement of the Sponsor Parties, enforceable against the Sponsor Parties in accordance with its terms, subject to the Equitable
Exceptions). 
 (b) Ownership. As of the date hereof, the Sponsor is the sole member of Holdings. Holdings is the record owner of, the
Sponsor is the indirect beneficial owner through Holdings of, and Holdings has good and valid title to, the Existing Units and the GP LLC Interests, each free and clear of any Liens (other than those created by any indebtedness for borrowed money of
the Sponsor Parties, applicable securities Laws or the Organizational Documents of the Partnership and the Partnership GP), except as may be provided for in this Agreement. During the term of this Agreement, the Covered Units and the GP LLC
Interests will be beneficially and legally owned by the Sponsor Parties. Except as provided for in this Agreement, the Sponsor Parties have and will have at all times during the term of this Agreement the direct or indirect voting power, power of
disposition, power to issue instructions with respect to the matters set forth in Article 2, and power to agree to all of the matters set forth in this Agreement, in each case with respect to all of the Covered Units and the GP LLC Interests
at any time during the term of this Agreement. Except for the Existing Units, the Sponsor Parties do not, directly or indirectly, legally or beneficially own or have any option, warrant or other right to acquire any securities of a Partnership
Entity that are or may by their terms become entitled to vote or any securities that are convertible or exchangeable into or exercisable for any securities of a Partnership Entity that are or may by their terms become entitled to vote, nor are the
Sponsor Parties subject to any contract, agreement, arrangement, understanding or relationship, other than this Agreement, that obligates the Sponsor Parties or any Affiliate thereof, as applicable, to vote, acquire or dispose of any securities of a
Partnership Entity or the GP LLC Interests. 
 (c) No Violation. Neither the execution and delivery of this Agreement by the Sponsor
Parties nor the performance of their respective obligations under this Agreement will (i) result in a violation or breach of, or conflict with any provisions of, or constitute a default (or an event which, with notice or lapse of time or both,
would constitute a default) under, or result in the termination, acceleration or cancellation of, or give rise to a right of purchase under, or result in the creation of any Lien (other than under this Agreement or any Lien created by Parent or any
of its Affiliates) upon any of the properties, rights or assets (including but not limited to the Existing Units) owned by the Sponsor Parties under, any of the terms, conditions or provisions of any note, bond, mortgage, indenture, deed of trust,
license, contract, lease, agreement or other instrument or obligation of any kind to which the Sponsor or Holdings, as applicable, is a party or by which the Sponsor or Holdings, as applicable, or any of their respective properties, rights or assets
may be bound (other than, in the case of this clause (i), under the documents governing the indebtedness for borrowed money of the Sponsor Parties), (ii) violate any Law applicable to the Sponsor Parties or any of their respective properties, rights
or assets, or (iii) result in a violation or breach of or conflict with their respective organizational and governing documents, except in the case of clauses (i) and (ii) as would not reasonably be expected to prevent or materially delay
the ability of the Sponsor Parties to perform their respective obligations hereunder. 
 (d) Consents and Approvals. No consent,
approval, order, license, permit, or authorization of, or registration, declaration, notice or filing with, any Governmental Entity is necessary to be obtained or made by the Sponsor Parties in connection with their execution, delivery and
performance of this Agreement or consummation of the transactions contemplated by this Agreement, except for any reports under the Exchange Act as may be required in connection with this Agreement and the transactions contemplated hereby. 

  
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 (e) Reliance by Parent Parties. The Sponsor Parties understand and acknowledge that
the Parent Parties are entering into the Merger Agreement in reliance upon the Sponsor Parties’ execution and delivery of this Agreement and the representations, warranties, covenants and obligations of the Sponsor Parties contained herein.

 (f) Adequate Information. The Sponsor Parties acknowledge that they are sophisticated parties with respect to the Covered Units and
the GP LLC Interests and have adequate information concerning the business and financial condition of the Partnership and Parent to make an informed decision regarding the transactions contemplated by this Agreement and have, independently and
without reliance upon any of the Parent Parties and based on such information as the Sponsor Parties have deemed appropriate, made their own respective analysis and decision to enter into this Agreement. The Sponsor Parties acknowledge that no
Parent Party has made or is making, and the Sponsor Parties are not relying upon, any representation or warranty, whether express or implied, of any kind or character except as expressly set forth in this Agreement. 

(g) Litigation. As of the date of this Agreement, there is no action, suit, investigation, complaint or other proceeding pending against
the Sponsor Parties or, to the knowledge of the Sponsor Parties, any other Person or, to the knowledge of the Sponsor Parties, threatened against the Sponsor Parties or any other Person that restricts or prohibits (or, if successful, would restrict
or prohibit) their rights under this Agreement or the performance by any party of its obligations under this Agreement. 
 Section 3.2
Representations and Warranties of Parent. Parent hereby represents and warrants to the Sponsor Parties and the Partnership Parties: 

(a) Organization; Authorization; Validity of Agreement; Necessary Action. The Parent Parties are legal entities duly organized, validly
existing and in good standing under the Laws of Delaware. The Parent Parties have the requisite power and authority to execute and deliver this Agreement and to perform their respective obligations hereunder. The execution and delivery by the Parent
Parties of this Agreement, the performance by the Parent Parties of their respective obligations hereunder and the consummation by the Parent Parties of the transactions contemplated hereby have been duly and validly authorized by the Parent Parties
and no other actions or proceedings are required on the part of the Parent Parties to authorize the execution and delivery of this Agreement, the performance by the Parent Parties of their respective obligations hereunder or the consummation by the
Parent Parties of the transactions contemplated hereby. This Agreement has been duly and validly executed and delivered by the Parent Parties and, assuming the due authorization, execution and delivery of this Agreement by the Sponsor Parties and
the Partnership Parties, constitutes a legal, valid and binding agreement of the Parent Parties, enforceable against the Parent Parties in accordance with its terms, subject to the Equitable Exceptions). 

(b) No Violation. Neither the execution and delivery of this Agreement by the Parent Parties nor the performance of their respective
obligations under this Agreement will (i) result in a violation or breach of, or conflict with any provisions of, or constitute a default (or an event which, with notice or lapse of time or both, would constitute a default) under, or result in
the termination, acceleration or cancellation of, or give rise to a right of purchase under, or result in the creation of any Lien (other than under this Agreement or any Lien created by the Sponsor or any of its Affiliates) upon any of the
properties, rights or assets owned by the Parent Parties under, any of the terms, conditions or provisions of any note, bond, mortgage, indenture, deed of trust, license, contract, lease, agreement or other instrument or obligation of any kind to
which the Parent Parties, as applicable, is a party or by which the Parent Parties, as applicable, or any of their respective properties, rights or assets may be bound, (ii) violate any Law applicable to the Parent Parties or any of their
respective properties, rights or assets, or (iii) result in a violation or breach of or conflict with their respective organizational and governing documents, except in the case of clauses (i) and (ii) as would not reasonably be expected
to prevent or materially delay the ability of the Parent Parties to perform their respective obligations hereunder. 
 (c) Consents and
Approvals. No consent, approval, order, license, permit, or authorization of, or registration, declaration, notice or filing with, any Governmental Entity is necessary to be obtained or made by the Parent Parties in connection with their
execution, delivery and performance of this Agreement or consummation of the transactions contemplated by this Agreement, except for any reports under the Exchange Act as may be required in connection with this Agreement and the transactions
contemplated hereby. 

  
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 (d) Reliance by Sponsor Parties. The Parent Parties understand and acknowledge that
the Sponsor Parties are entering into the Merger Agreement in reliance upon the Parent Parties’ execution and delivery of this Agreement and the representations, warranties, covenants and obligations of the Parent Parties contained herein. 

(e) No Other Representations. The Parent Parties acknowledge that no Sponsor Party or Partnership Party has made or is making, and the
Parent Parties are not relying upon, any representation or warranty, whether express or implied, of any kind or character except as expressly set forth in this Agreement. 

(f) Litigation. As of the date of this Agreement, there is no action, suit, investigation, complaint or other proceeding pending against
the Parent Parties or, to the knowledge of the Parent Parties, any other Person or, to the knowledge of the Parent Parties, threatened against the Parent Parties or any other Person that restricts or prohibits (or, if successful, would restrict or
prohibit) their rights under this Agreement or the performance by any party of its obligations under this Agreement. 
 Section 3.3
Representations and Warranties of the Partnership Parties. Each of the Partnership Parties hereby represents and warrants to the Sponsor Parties and the Parent Parties that the execution and delivery of this Agreement by the Partnership
Parties and the consummation of the transactions contemplated hereby have been duly and validly authorized by all necessary action on the part of the board of directors of the General Partner on behalf of the Partnership and the General Partner.
Each of the Partnership Parties acknowledges that neither the Sponsor Parties nor the Parent Parties have made, and the Sponsor Parties and the Parent Parties are not making, any representation or warranty of any kind except as expressly set forth
in this Agreement or the Merger Agreement. 
 ARTICLE 4 

OTHER COVENANTS 

Section 4.1 Prohibition on Transfers, Other Actions. 

(a) Until the termination of this Agreement in accordance with Section 6.14, and except for a Permitted Transfer or
in connection with the Mergers, the Sponsor Parties shall not, and shall not permit any Affiliate to, (i) Transfer, or enter into any contract, option, agreement or other arrangement or understanding with respect to the Transfer of, any of the
Covered Units or the GP LLC Interests or beneficial ownership or voting power thereof or therein (including by operation of law or otherwise), or (ii) deposit any Covered Units or the GP LLC Interests into a voting trust or grant any proxies or
powers of attorney or enter into a voting agreement with respect to any Covered Units or the GP LLC Interests, as applicable. Any purported Transfer not in compliance with this Section 4.1(a) shall be void ab initio.

 (b) The Sponsor Parties agree that if the Sponsor or Holdings, or any Affiliate thereof, attempts to Transfer, vote (or consent) or
provide any other person with the authority to vote (or consent) any of the Covered Units or the GP LLC Interests other than in compliance with this Agreement, the Sponsor or Holdings, as applicable, unconditionally and irrevocably (during the term
of this Agreement) instructs the Partnership and the General Partner not to, (i) permit any such Transfer on its books and records, (ii) issue a book-entry interest or a new certificate representing any of the Covered Units or the GP LLC
Interests or (iii) record such vote (or consent) unless and until the Sponsor or Holdings, as applicable, has complied in all respects with the terms of this Agreement. 

Section 4.2 Pre-Closing Transactions. The Sponsor shall, or shall cause Holdings or an
Affiliate thereof to, as applicable, take all actions necessary to consummate the Pre-Closing Transactions prior to the Effective Time. 

Section 4.3 Third Party Registration Rights. Parent agrees that it shall not take any action that would result in it being unable
to make its representations set forth in Section 3.12 of the Registration Rights Agreement. 
 Section 4.4 Transfer Agent.
The Sponsor Parties hereby authorize and direct the Partnership or its counsel to notify the Partnership’s transfer agent that there is a stop transfer order with respect to all Covered Units (and that this Agreement places limits on the voting
and Transfer of such Covered Units), subject to the restrictions in this Agreement. 

  
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 Section 4.5 Waiver of Rights under Commercial Agreements. To the extent the
Sponsor, or any of its Affiliates, has any consent, notice or approval right related to any of the Commercial Agreements, or any right to re-negotiate the terms of any of the Commercial Agreements, in each
case, due to the transactions contemplated by the Merger Agreement prior to the Closing, the Sponsor hereby waives and releases, and shall cause its Affiliates to waive and release, any and all such rights. For purposes of this
Section 4.5, the “Commercial Agreements” means: (i) Produced and Flowback Water Gathering and Disposal Agreement – Beartooth Area, dated as of September 25, 2017, by and among the
Partnership, Oasis Petroleum North America LLC (“OPNA”) and Oasis Midstream Services LLC (“OMS”); (ii) Gas Gathering, Compression, Processing and Gas Lift Agreement, dated as of September 25, 2017, by and among
the Partnership, OPNA, Oasis Petroleum Marketing LLC (“OPM”) and OMS; (iii) Crude Oil Gathering, Stabilization, Blending and Storage Agreement, dated as of September 25, 2017, by and among the Partnership, OPNA, OPM and
OMS; (iv) Produced and Flowback Water Gathering and Disposal Agreement – Wild Basin, dated as of September 25, 2017, by and among the Partnership, OPNA and OMS; (v) Crude Oil Gathering Agreement, dated as of August 4, 2021,
by and among OPNA, OPM and Bighorn DevCo LLC; (vi) Produced and Flowback Water Gathering and Disposal Agreement, dated as of October 5, 2021, by and between the Partnership and OPNA; (vii) Crude Oil Gathering and Storage Agreement,
dated as of October 5, 2021, by and among OMP Operating LLC (“OMP Operating”), OPNA and OPM; (viii) Gas Purchase Agreement, dated as of September 23, 2020, by and between OPNA and OMP Operating; and
(ix) Freshwater Purchase and Sales Agreement, dated as of September 25, 2017, by and among the Partnership, OPNA and OMS. 

Section 4.6 No Revocation of Sole Member Consent. Until the termination of this Agreement in accordance with
Section 6.14, Holdings hereby agrees not to revoke the Sole Member Consent. 
 Section 4.7 Sponsor
Deliveries. At or prior to the Effective Time, the Sponsor and its Subsidiaries, as applicable, shall deliver executed counterparts to each of the documents set forth in Section 6.3(e) of the Merger Agreement. 

ARTICLE 5 
 RELEASE

 Effective as of the Closing, (a) each of the Sponsor Parties, on behalf of itself and its Affiliates (collectively, the
“Sponsor Releasing Parties”), hereby irrevocably and unconditionally releases and forever discharges the Partnership Parties, each of their respective Affiliates and their respective officers, employees,
Representatives, successors and permitted assigns (collectively, the “Partnership Released Parties”) of and from any and all Actions, executions, judgments, duties, debts, dues, accounts, bonds, contracts and covenants
(whether express or implied), and claims and demands whatsoever whether in law or equity (collectively, “Claims”) which the Sponsor Releasing Parties may have against any of the Partnership Released Parties, now or in the future, in
each case in respect of any cause, matter or thing relating to any matter, occurrence, action or activity prior to the Closing; provided, that the foregoing release and discharge shall not (x) apply to any Claims to the extent that, absent
such release and discharge, any of the Sponsor Releasing Parties would have recourse under any contract or in law or equity against any of the Partnership Released Parties relating to a Claim by an unrelated third party against such Sponsor
Releasing Party (other than (i) where such Sponsor Releasing Party has knowledge of such Claim prior to the date hereof and (ii) any Claims set forth on Schedule II hereto (the “Known Claims”)) or (y) operate as a waiver,
release or discharge of any Claims (including the Known Claims) to the extent occurring or continuing at or after the Closing, even if the facts and circumstances underlying any such Claim (or similar facts or circumstances) were occurring or in
existence prior to the Closing, and (b) each of the Partnership Parties, on behalf of itself and its Affiliates (collectively, the “Partnership Releasing Parties”), hereby irrevocably and unconditionally releases and forever
discharges the Sponsor Parties, each of their respective Affiliates and their respective Representatives, successors and permitted assigns (collectively, the “Sponsor Released Parties,” and together with the
Partnership Released Parties, the “Released Parties”) of and from any and all Claims which the Partnership Releasing Parties may have against any of the Sponsor Released Parties, now or in the future, in each case in respect of any
cause, matter or thing relating to any matter, occurrence, action or activity prior to the Closing; provided, that the foregoing release and discharge shall not (x) apply to any Claims to the extent that, absent such release and discharge,
any of the Partnership Releasing Parties would have recourse under any contract or in law or equity against any of the Sponsor Released Parties relating to a Claim by an unrelated third party against such Partnership Releasing Party or (y) operate
as a waiver, release or discharge of any Claims to the extent occurring or continuing at or after the Closing, even if the facts and circumstances underlying any such Claim (or similar facts or circumstances) were occurring or in existence prior to
the Closing; provided, further, that this Article V shall not affect the rights of the Sponsor Parties or the Partnership Parties under this Agreement. 

  
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 For the avoidance of doubt, for purposes of this Article V, the Sponsor Parties and
their respective Affiliates, on the one hand, shall not be considered Affiliates of the Partnership Parties and their respective Affiliates, on the other hand, and the Partnership Parties and their respective Affiliates, on the one hand, shall not
be considered Affiliates of the Sponsor Parties and their respective Affiliates, on the other hand. The Released Parties to whom this Article V applies shall be third-party beneficiaries of this Article V. 

ARTICLE 6 
 MISCELLANEOUS

 Section 6.1 Expenses. Whether or not the Mergers are consummated, all costs and expenses incurred in connection
with this Agreement and the transactions contemplated hereby shall be paid by the party incurring or required to incur such expenses. 

Section 6.2 Counterparts; Effectiveness. 

This Agreement may be executed in two or more counterparts, each of which shall be an original, with the same effect as if the signatures
thereto and hereto were upon the same instrument, and shall become effective when one or more counterparts have been signed by each of the parties and delivered (by telecopy, electronic delivery or otherwise) to the other parties. Signatures to this
Agreement transmitted by electronic mail in “portable document format” form, or by any other electronic means intended to preserve the original graphic and pictorial appearance of a document, will have the same effect as physical delivery
of the paper document bearing the original signature. 
 Section 6.3 Governing Law. This Agreement, and all claims
or causes of action (whether at Law, in contract or in tort or otherwise) that may be based upon, arise out of or relate to this Agreement or the negotiation, execution or performance hereof, shall be governed by and construed in accordance with the
Laws of the State of Delaware, without giving effect to any choice or conflict of law provision or rule (whether of the State of Delaware or any other jurisdiction) that would cause the application of the Laws of any jurisdiction other than the
State of Delaware. 
 Section 6.4 Jurisdiction. Each of the parties hereto irrevocably agrees that any legal action or
proceeding relating to or arising out of this Agreement and the rights and obligations hereunder, other than for recognition and enforcement of any judgment relating to or arising out of this Agreement and the rights and obligations hereunder
brought by the other party hereto or its successors or assigns, shall be brought and determined exclusively in the Delaware Court of Chancery and any state appellate court therefrom within the State of Delaware (or, solely if the Delaware Court of
Chancery declines to accept jurisdiction over a particular matter, any state or federal court within the State of Delaware). Each of the parties hereto hereby irrevocably submits with regard to any such action or proceeding for itself and in respect
of its property, generally and unconditionally, to the personal jurisdiction of the aforesaid courts and agrees that it will not bring any action relating to or arising out of this Agreement or any of the transactions contemplated by this Agreement
in any court other than the aforesaid courts. Each of the parties hereto hereby irrevocably waives, and agrees not to assert, by way of motion, as a defense, counterclaim or otherwise, in any action or proceeding with respect to this Agreement,
(a) any claim that it is not personally subject to the jurisdiction of the above named courts, (b) any claim that it or its property is exempt or immune from jurisdiction of any such court or from any legal process commenced in such courts
(whether through service of notice, attachment prior to judgment, attachment in aid of execution of judgment, execution of judgment or otherwise) and (c) to the fullest extent permitted by the Law, any claim that (i) the suit, action or
proceeding in such court is brought in an inconvenient forum, (ii) the venue of such suit, action or proceeding is improper or (iii) this Agreement, or the subject matter hereof, may not be enforced in or by such courts. To the fullest
extent permitted by Law, each of the parties hereto hereby consents to the service of process in accordance with Section 6.6; provided, however, that nothing herein shall affect the right of any party to serve legal
process in any other manner permitted by Law. 
 Section 6.5 WAIVER OF JURY TRIAL. EACH OF THE PARTIES HERETO
ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE UNDER THIS AGREEMENT IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES, AND THEREFORE EACH SUCH PARTY IRREVOCABLY AND UNCONDITIONALLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY LAW,
ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY. 

  
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 Section 6.6 Notices. All notices and other communications hereunder shall
be in writing and shall be deemed given (a) upon personal delivery to the party to be notified; (b) when received when sent by email by the party to be notified, provided, however, that notice given by email shall not be effective
unless either (i) a duplicate copy of such email notice is promptly given by one of the other methods described in this Section 6.6 or (ii) the receiving party delivers a written confirmation of receipt for such
notice either by email or any other method described in this Section 6.6; or (c) when delivered by a courier (with confirmation of delivery), in each case to the party to be notified at the following address: 

To Parent: 
 Crestwood Equity
Partners LP 
 2440 Pershing Road, Suite 600 

Kansas City, MO 64108 

Attention:            Michael Post 

Email: [***] 
 with copies to:

 Baker Botts L.L.P. 
 910
Louisiana Street, Suite 3200 
 Houston, Texas 77002 

Attention:           Joshua Davidson 

Jonathan             Bobinger 

Email:                 joshua.davidson@bakerbotts.com 

                        
    jonathan.bobinger@bakerbotts.com 
 To the General Partner, the Partnership or the Sponsor Parties: 

Oasis Midstream Partners LP 
 1001
Fannin Street, Suite 1500 
 Houston, Texas 77002 

Attention:            Nickolas J. Lorentzatos 

Email: [***] 
 with copies to:

 Vinson & Elkins L.L.P. 

1001 Fannin Street, Suite 2500 

Houston, Texas 77002 

Attention:            David P. Oelman 

                        
    Benji Barron 

Email:                 doelman@velaw.com 

                        
    bbarron@velaw.com 
 or to such other address as any party shall specify by written notice so given, and such notice shall be deemed
to have been delivered as of the date so telecommunicated or personally delivered. Any party to this Agreement may notify any other party of any changes to the address or any of the other details specified in this paragraph; provided,
however, that such notification shall only be effective on the date specified in such notice or five business days after the notice is given, whichever is later. Rejection or other refusal to accept or the inability to deliver because of changed
address of which no notice was given shall be deemed to be receipt of the notice as of the date of such rejection, refusal or inability to deliver. 

Section 6.7 Assignment; Binding Effect. Except in connection with a Permitted Transfer, neither this Agreement nor any of
the rights, interests or obligations hereunder shall be assigned or delegated by any of the parties hereto without the prior written consent of the other parties. Subject to the first sentence of this Section 6.7, this
Agreement shall be binding upon and shall inure to the benefit of the parties hereto and their respective successors and assigns. Any purported assignment not permitted under this Section 6.7 shall be null and void. 

  
 8 

 Section 6.8 Severability. Any term or provision of this Agreement which
is held to be invalid or unenforceable in a court of competent jurisdiction shall be ineffective to the extent of such invalidity or unenforceability without rendering invalid or unenforceable the remaining terms and provisions of this Agreement.
Upon such a determination, the parties hereto shall negotiate in good faith to modify this Agreement so as to effect the original intent of the parties hereto as closely as possible in an acceptable manner in order that the transactions contemplated
hereby are consummated as originally contemplated to the fullest extent possible. If any provision of this Agreement is so broad as to be unenforceable, such provision shall be interpreted to be only so broad as is enforceable. 

Section 6.9 Entire Agreement. This Agreement and, solely to the extent of the defined terms referenced herein, the
Merger Agreement, constitute the entire agreement, and supersede all other prior agreements and understandings, both written and oral, between the parties, or any of them, with respect to the subject matter hereof and thereof, and this Agreement is
not intended to grant standing to any Person other than the parties hereto. 
 Section 6.10 Amendments; Waivers. At any
time prior to the Effective Time, any provision of this Agreement may be amended or waived if, and only if, such amendment or waiver is in writing and signed, in the case of an amendment, by the Partnership, General Partner, Parent, Holdings and the
Sponsor or, in the case of a waiver, by the party against whom the waiver is to be effective; provided, however, that no provision of this Agreement may be amended or waived by or on behalf of the Partnership without the prior consent of the
Conflicts Committee. Notwithstanding the foregoing, no failure or delay by any party hereto in exercising any right hereunder shall operate as a waiver thereof nor shall any single or partial exercise thereof preclude any other or further exercise
of any other right hereunder. 
 Section 6.11 Headings. Headings of the Articles and Sections of this Agreement are for
convenience of the parties only and shall be given no substantive or interpretive effect whatsoever. 
 Section 6.12 Third-Party
Beneficiaries. Each of Parent, the Partnership, the General Partner, Holdings and the Sponsor agrees that (a) their respective representations, warranties, covenants and agreements set forth herein are solely for the benefit of the
Partnership, the General Partner (including the Conflicts Committee), Parent, Holdings or the Sponsor, as applicable, in accordance with and subject to the terms of this Agreement, and (b) this Agreement is not intended to, and does not, confer
upon any Person other than the parties hereto (which shall include, with respect to the Partnership and the General Partner, the Conflicts Committee) any rights or remedies hereunder, including the right to rely upon the representations and
warranties set forth herein. 
 Section 6.13 Interpretation. When a reference is made in this Agreement to an Article or
Section, such reference shall be to an Article or Section of this Agreement unless otherwise indicated. Whenever the words “include,” “includes” or “including” are used in this Agreement, they shall be deemed to be
followed by the words “without limitation.” The words “hereof,” “herein” and “hereunder” and words of similar import when used in this Agreement shall refer to this Agreement as a whole and not to any
particular provision of this Agreement, unless the context otherwise requires. All terms defined in this Agreement shall have the defined meanings when used in any certificate or other document made or delivered pursuant hereto unless otherwise
defined therein. The definitions contained in this Agreement are applicable to the singular as well as the plural forms of such terms and to the masculine as well as to the feminine and neuter genders of such term. References in this Agreement to
specific laws or to specific provisions of laws shall include all rules and regulations promulgated thereunder, and any statute defined or referred to herein or in any agreement or instrument referred to herein shall mean such statute as from time
to time amended, modified or supplemented, including by succession of comparable successor statutes. Each of the parties has participated in the drafting and negotiation of this Agreement. If an ambiguity or question of intent or interpretation
arises, this Agreement must be construed as if it is drafted by all the parties, and no presumption or burden of proof shall arise favoring or disfavoring any party by virtue of authorship of any of the provisions of this Agreement. 

Section 6.14 Termination. This Agreement shall remain in effect until the earlier to occur of (a) the Effective Time,
(b) the valid termination of the Merger Agreement in accordance with its terms and (c) termination of this Agreement in accordance with Section 2.2. In the event of termination of this Agreement, this Agreement
shall terminate and be of no further force and effect with respect to all parties hereto (except if this Agreement terminates 

  
 9 

 
(x) at the Effective Time, Section 4.3, Section 4.5, Article V, and this Article VI to the extent applicable to the foregoing
provisions shall survive and (y) pursuant to Section 2.2, Section 2.3 shall survive), and there shall be no other liability on the part of the Sponsor Parties or the Partnership or any party
hereto (except if this Agreement terminates (x) at the Effective Time, with respect to Section 4.3, Section 4.5, Article V, and this Article VI to the extent applicable to the
foregoing provisions and (y) pursuant to Section 2.2, Section 2.3), even in the event of fraud or any willful breach of this Agreement. 

Section 6.15 No Ownership Interest. Nothing contained in this Agreement shall be deemed to vest in any Parent Party any direct or
indirect ownership or incidence of ownership of or with respect to any Covered Units or the GP LLC Interests. All rights, ownership and economic benefit relating to the Covered Units and the GP LLC Interests shall remain vested in and belong to the
Sponsor Parties, and Parent shall have no authority to direct the Sponsor Parties in the voting or disposition of any of the Covered Units or the GP LLC Interests, except as otherwise provided herein. 

Section 6.16 Publicity. The Sponsor Parties hereby permit Parent and the Partnership to include and disclose in the Combined
Consent Statement/Prospectus, and in such other schedules, certificates, applications, agreements or documents as required by applicable Law in connection with the consummation of the Mergers and the transactions contemplated by the Merger Agreement
the Sponsor Parties’ identities and ownership of the Covered Units and the GP LLC Interests, and the nature of the Sponsor Parties’ commitments, arrangements and understandings pursuant to this Agreement. Parent and the Partnership hereby
permit the Sponsor Parties to disclose this Agreement and the transactions contemplated by the Merger Agreement in any reports required to be filed by the Sponsor Parties or any of their Affiliates under the Exchange Act. 

Section 6.17 Non-Recourse. No past, present or future director, officer, employee,
incorporator, member, partner, stockholder, trustee, beneficiary, settlor, agent, attorney, representative or Affiliate of the Sponsor or Holdings shall have any liability (whether in contract or in tort) for any obligations or liabilities of the
Sponsor or Holdings, as applicable, arising under, in connection with or related to this Agreement or for any claim based on, in respect of, or by reason of, the transactions contemplated hereby; in connection with or related to this Agreement or
for any claim based on, in respect of, or by reason of, the transactions contemplated hereby. 
 [Signature pages follow.] 

  
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 IN WITNESS WHEREOF, each of the parties hereto has caused this Agreement to be executed as
of the date first written above by their respective officers thereunto duly authorized. 
  

			
	SPONSOR
	
	OASIS PETROLEUM INC.
		
	By:	 	 /s/ Daniel E. Brown

	Name:	 	Daniel E. Brown
	Title:	 	Chief Executive Officer

  
 [Signature Page to
Support Agreement] 

 
			
	HOLDINGS
	
	OMS HOLDINGS LLC
		
	By:	 	 /s/ Daniel E. Brown

	Name:	 	Daniel E. Brown
	Title:	 	Chief Executive Officer

  
 [Signature Page to
Support Agreement] 

 
			
	PARTNERSHIP
	
	OASIS MIDSTREAM PARTNERS LP
		
	By:	 	OMP GP LLC, its general partner
		
	By:	 	 /s/ Taylor L. Reid

		 	Name: Taylor L. Reid
		 	Title: Chief Executive Officer

  
 [Signature Page to
Support Agreement] 

 
			
	GENERAL PARTNER
	
	OMP GP LLC
		
	By:	 	 /s/ Taylor L. Reid

		 	Name: Taylor L. Reid
		 	Title: Chief Executive Officer

  
 [Signature Page to
Support Agreement] 

 
			
	PARENT
	
	CRESTWOOD EQUITY PARTNERS LP
		
	By:	 	Crestwood Equity GP LLC, its general partner
		
	By:	 	 /s/ William Moore

		 	Name: William Moore
		 	Title: Executive Vice President, Corporate Strategy

  
 [Signature Page to
Support Agreement] 

 EXHIBIT A 

FORM OF WRITTEN CONSENT 

[See attached.]Document

Exhibit 10.1

KEY EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT
[TIER ONE]
THIS AGREEMENT, effective as of the [____] of [_____], 20[__], by and between Alliant Energy Corporation, a Wisconsin corporation (referred to herein as “Alliant” and, together with its subsidiaries and any parent company controlling Alliant, referred to herein as the “Company”), and [________________] (hereinafter referred to as “Employee”).
W I T N E S S E T H
WHEREAS, the Employee is employed by the Company in a key executive capacity and the Employee’s services are valuable to the conduct of the business of the Company;
WHEREAS, the Company desires to continue to attract and retain dedicated and skilled management employees in a period of industry consolidation, consistent with achieving the best possible value for its shareowners in any change in control of the Company;
WHEREAS, the Company recognizes that circumstances may arise in which a change in control of the Company occurs, through acquisition or otherwise, thereby causing a potential conflict of interest between the Company’s needs for the Employee to remain focused on the Company’s business and for the necessary continuity in management prior to and following a change in control, and the Employee’s reasonable personal concerns regarding future employment with the Company and economic protection in the event of loss of employment as a consequence of a change in control;
WHEREAS, the Company and the Employee are desirous that any proposal for a change in control or acquisition of Alliant will be considered by the Employee objectively and with reference only to the best interests of Alliant and its shareowners; 
WHEREAS, the Employee will be in a better position to consider the Company’s best interests if the Employee is afforded reasonable economic security, as provided in this 

Agreement, against altered conditions of employment which could result from any such change in control or acquisition; 
WHEREAS, the Employee possesses intimate knowledge of the business and affairs of the Company and has acquired certain confidential information and data with respect to the Company; and
WHEREAS, the Company desires to insure, insofar as possible, that it will continue to have the benefit of the Employee’s services and to protect its confidential information and goodwill; 
NOW, THEREFORE, in consideration of the foregoing and of the mutual covenants and agreements hereinafter set forth, the parties hereto mutually covenant and agree to amend and restate the existing agreement as follows:
1.Definitions.
(a)409A Affiliate.  The term “409A Affiliate” means each entity that is required to be included in the Company’s controlled group of corporations within the meaning of Code Section 414(b), or that is under common control with the Company within the meaning of Code Section 414(c), provided, however, that the phrase “at least 50 percent” shall be used in place of the phrase “at least 80 percent” each place it appears therein or in the regulations thereunder.
(b)Act.  For purposes of this Agreement, the term “Act” means the Securities Exchange Act of 1934, as amended.
(c)Affiliate and Associate.  For purposes of this Agreement, the terms “Affiliate” and “Associate” shall have the respective meanings ascribed to such terms in Rule l2b-2 of the General Rules and Regulations under the Act.
(d)Beneficial Owner.  For purposes of this Agreement, a Person shall be deemed to be the “Beneficial Owner” of any securities:
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(i)which such Person or any of such Person’s Affiliates or Associates has the right to acquire (whether such right is exercisable immediately or only after the passage of time) pursuant to any agreement, arrangement or understanding, or upon the exercise of conversion rights, exchange rights, rights, warrants or options, or otherwise; provided, however, that a Person shall not be deemed the Beneficial Owner of, or to beneficially own, securities tendered pursuant to a tender or exchange offer made by or on behalf of such Person or any of such Person’s Affiliates or Associates until such tendered securities are accepted for purchase;
(ii)which such Person or any of such Person’s Affiliates or Associates, directly or indirectly, has the right to vote or dispose of or has “beneficial ownership” of (as determined pursuant to Rule l3d-3 of the General Rules and Regulations under the Act), including pursuant to any agreement, arrangement or understanding; provided, however, that a Person shall not be deemed the Beneficial Owner of, or to beneficially own, any security under this subparagraph (ii) as a result of an agreement, arrangement or understanding to vote such security if the agreement, arrangement or understanding: (A) arises solely from a revocable proxy or consent given to such Person in response to a public proxy or consent solicitation made pursuant to, and in accordance with, the applicable rules and regulations under the Act and (B) is not also then reportable on a Schedule l3D under the Act (or any comparable or successor report); or
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(iii)which are beneficially owned, directly or indirectly, by any other Person with which such Person or any of such Person’s Affiliates or Associates has any agreement, arrangement or understanding for the purpose of acquiring, holding, voting (except pursuant to a revocable proxy as described in subparagraph (ii) above) or disposing of any voting securities of the Company.
(e)Board.  “Board” shall mean the Board of Directors of Alliant Energy Corporation, and “Director” means a member of the Board.
(f)Cause.  “Cause” for termination by the Company of the Employee’s employment shall, for purposes of this Agreement, be limited to any of the following:  (i) the engaging by the Employee in intentional conduct not taken in good faith which has caused demonstrable and serious financial injury to the Company, as evidenced by a determination in a binding and final judgment, order or decree of a court or administrative agency of competent jurisdiction, in effect after exhaustion or lapse of all rights of appeal, in an action, suit or proceeding, whether civil, criminal, administrative or investigative; (ii) conviction of a felony (as evidenced by binding and final judgment, order or decree of a court of competent jurisdiction, in effect after exhaustion of all rights of appeal) which substantially impairs the Employee’s ability to perform the Employee’s duties or responsibilities; and (iii) continuing willful and unreasonable refusal by the Employee to perform the Employee’s duties or responsibilities (unless significantly changed without the Employee’s consent).
(g)Change in Control of the Company. “Change in Control of the Company” shall be determined with reference to Alliant Energy Corporation as Alliant, as more fully set forth below, and shall be deemed to have occurred if an event set forth in any one of the following paragraphs shall have occurred, and such an event is a change in ownership or 
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effective control of a corporation or a change in ownership of a substantial portion of the assets of a corporation pursuant to Treasury Regulations section 1.409A 3(i)(5):
(i)any Person (other than (A) Alliant or any Subsidiary, (B) a trustee or other fiduciary holding securities under any employee benefit plan of Alliant or any Subsidiary, (C) an underwriter temporarily holding securities pursuant to an offering of such securities or (D) a corporation owned, directly or indirectly, by the shareowners of Alliant in substantially the same proportions as their ownership of stock in Alliant (“Excluded Persons”)) is or becomes the Beneficial Owner, directly or indirectly, of securities of Alliant (not including in the securities beneficially owned by such Person any securities acquired directly from Alliant or its Affiliates , pursuant to express authorization by the Board that refers to this exception) representing 30% or more of either the then outstanding shares of common stock of Alliant or the combined voting power of Alliant’s then outstanding voting securities; provided, however, that for purposes of this Subsection 1(g)(i), any acquisition pursuant to a transaction described in Subsection 1(g)(iii) and that is not a “Change in Control of the Company” pursuant to such Subsection shall also not constitute a “Change in Control of the Company” for purposes of this Subsection 1(g)(i); or
(ii)a change in the composition of the Board during any 12-month period such that the following individuals cease for any reason to constitute a majority of the number of Directors of Alliant then serving: (A) individuals who, as of the beginning of such 12-month period,  constituted the Board and (B) any new Director who becomes a member 
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of the Board subsequent to the beginning of the 12-month period (other than a Director whose initial assumption of office is in connection with an actual or threatened proxy or consent solicitation for the purpose of opposing a solicitation by Alliant relating to the election of Directors of Alliant) whose appointment or election by the Board or nomination for election by Alliant’s shareowners was approved by a vote of at least two-thirds (2/3) of the directors then still in office who either were Directors as of the beginning of such 12-monthperiod, or whose appointment, election or nomination for election was previously so approved; or
(iii)Alliant consummates a merger, consolidation or share exchange with any other corporation or issues voting securities in connection with a merger, consolidation or share exchange involving Alliant (or any Subsidiary), other than (A) a merger, consolidation or share exchange which results in the voting securities of Alliant outstanding immediately prior to such merger, consolidation or share exchange continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity or any parent thereof) at least 50% of the combined voting power of the voting securities of Alliant or such surviving entity or any parent thereof outstanding immediately after such merger, consolidation or share exchange, or (B) a merger, consolidation or share exchange effected to implement a recapitalization of Alliant (or similar transaction) in which no Person (other than an Excluded Person) is or becomes the Beneficial Owner, directly or indirectly, of securities of Alliant (not including in the securities beneficially owned by such Person any securities acquired 
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directly from Alliant or its Affiliates , pursuant to express authorization by the Board that refers to this exception) representing 30% or more of either the then outstanding shares of common stock of Alliant or the combined voting power of Alliant’s then outstanding voting securities; or
(iv)the shareowners of Alliant approve, and Alliant completes, a plan of complete liquidation or dissolution of Alliant or Alliant effects a sale or disposition of all or substantially all of its assets (in one transaction or a series of related transactions within any period of 24 consecutive months), other than a sale or disposition by Alliant of all or substantially all of Alliant’s assets to an entity at least 75% of the combined voting power of the voting securities of which are owned by Persons in substantially the same proportions as their ownership of Alliant immediately prior to such sale.
Notwithstanding the foregoing, no “Change in Control of the Company” shall be deemed to have occurred if there is consummated any transaction or series of integrated transactions immediately following which the record holders of the common stock of Alliant immediately prior to such transaction or series of transactions continue to own, directly or indirectly, in the same proportions as their ownership in Alliant, an entity that owns all or substantially all of the assets or voting securities of Alliant immediately following such transaction or series of transactions.
(h)Code.  For purposes of this Agreement, the term “Code” means the Internal Revenue Code of 1986, including any amendments thereto or successor tax codes thereof.
(i)Covered Termination.  Subject to Subsection 2(b) hereof, for purposes of this Agreement, the term “Covered Termination” means any Termination of 
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Employment of the Employee during the Employment Period where the Notice of Termination is delivered on or the Termination Date is any date prior to the end of the Employment Period.
(j)Employment Period.  Subject to Subsection 2(b) hereof, for purposes of this Agreement, the term “Employment Period” means a period commencing on the date of a Change in Control of the Company, and ending at 11:59 p.m. Central Time on the earlier of the second anniversary of such date or the Employee’s Normal Retirement Date.
(k)Good Reason.  For purposes of this Agreement, the Employee shall have “Good Reason” for termination of employment if an applicable event occurs and the Employee provides notice to Alliant of the existence of the event within 90 days of the initial existence of the event and Alliant fails to cure the event within 30 days of such notice.  The applicable events are any one or more of the following:
(i)a material breach of this Agreement by the Company, including failure by Alliant to obtain the Agreement referred to in Subsection 17(a) hereof as provided therein;
(ii)a material diminution in the Employee’s base compensation; or
(iii)a material diminution in the Employee’s authority, duties, or responsibilities, including a material diminution in the budget over which the Employee retains authority.
(l)Normal Retirement Date.  For purposes of this Agreement, the term “Normal Retirement Date” means “Normal Retirement Date” as defined in the primary qualified defined benefit pension plan applicable to the Employee, or any successor plan, as in effect on the date of the Change in Control of the Company.
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(m)Person.  For purposes of this Agreement, the term “Person” has the meaning given to such term in Section 3(a)(9) of the Act and used in Sections 13(d) and 14(d) thereof.
(n)Separation from Service.  For purposes of this Agreement, the term “Separation from Service” means an Employee’s Termination of Employment, or if the Employee continues to provide services following his or her Termination of Employment, such later date as is considered a separation from service from the Company and its 409A Affiliates within the meaning of Code Section 409A.  Specifically, if an Employee continues to provide services to the Company or a 409A Affiliate in a capacity other than as an employee, such shift in status is not automatically a Separation from Service.  
(o)Subsidiary.  For purposes of this Agreement, the term “Subsidiary” means any corporation, limited liability company or other limited liability entity in an unbroken chain of entities beginning with Alliant if each of the entities (other than the last entity in the chain) owns stock or other equity interests possessing more than 50% of the total combined voting power of all classes of stock or other equity interests in one of the other entities in the chain.
(p)Termination of Employment.  For purposes of this Agreement, the Employee’s Termination of Employment shall occur when the Company and Employee reasonably anticipate that no further services will be performed by the Employee for the Company and its 409A Affiliates or that the level of bona fide services the Employee will perform after such date as an employee of the Company and its 409A Affiliates will permanently decrease to no more than 20% of the average level of bona fide services performed by the Employee (whether as an employee or independent contractor) for the Company and its 409A Affiliates over the immediately preceding 36-month period (or such lesser period of services).  Notwithstanding the foregoing, if Employee takes a leave of absence for purposes of military 
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leave, sick leave or other bona fide leave of absence, the Employee will not be deemed to have incurred a Termination of Employment for the first 6 months of the leave of absence, or if longer, for so long as the Employee’s right to reemployment is provided either by statute or by contract, including this Agreement; provided that if the leave of absence is due to a medically determinable physical or mental impairment that can be expected to result in death or last for a continuous period of not less than six months, where such impairment causes the Employee to be unable to perform the duties of his or her position of employment or any substantially similar position of employment, the leave may be extended for up to 29 months without causing a Termination of Employment.
(q)Termination Date.  For purposes of this Agreement, except as otherwise provided in Subsection 2(b), Subsection 10(b), and Subsection 17(a) hereof, the term “Termination Date” means (i) if the Employee’s Termination of Employment is due to the Employee’s death, the date of death; (ii) if the Employee’s Termination of Employment is by reason of voluntary early retirement, as agreed in writing by the Company and the Employee, the date of such early retirement which is set forth in such written agreement; (iii) if the Employee’s Termination of Employment for purposes of this Agreement is by reason of disability pursuant to Section 12 hereof, the earlier of 30 days after the Notice of Termination is given or one day prior to the end of the Employment Period; (iv) if the Employee’s Termination of Employment is by the Employee voluntarily (other than for Good Reason), the date the Notice of Termination is given; and (v) if the Employee’s Termination of Employment is by the Company (other than by reason of disability pursuant to Section 12 hereof) or by the Employee for Good Reason, the earlier of 30 days after the Notice of Termination is given or one day prior to the end of the Employment Period.  Notwithstanding the foregoing,
(i)If termination is for Cause pursuant to Subsection 1(f)(iii) of this Agreement and if the Employee has cured the conduct 
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constituting such Cause as described by the Company in its Notice of Termination within such 30-day or shorter period, then the Employee’s employment hereunder shall continue as if the Company had not delivered its Notice of Termination.
(ii)If the Employee shall in good faith give a Notice of Termination for Good Reason and the Company notifies the Employee that a dispute exists concerning the termination within the 15-day period following receipt thereof, then the Employee may elect to continue the Employee’s employment during such dispute and the Termination Date shall be determined under this paragraph.  If the Employee so elects and it is thereafter determined that Good Reason did exist, the Termination Date shall be the earliest of (i) the date on which the dispute is finally determined, either (x) by mutual written agreement of the parties or (y) in accordance with Section 23 hereof, (ii) the date of the Employee’s death or (iii) one day prior to the end of the Employment Period.  If the Employee so elects and it is thereafter determined that Good Reason did not exist, then the employment of the Employee hereunder shall continue after such determination as if the Employee had not delivered the Notice of Termination asserting Good Reason and there shall be no Termination Date arising out of such Notice.  In either case, this Agreement continues, until the Termination Date, if any, as if the Employee had not delivered the Notice of Termination except that, if it is finally determined that Good Reason did exist, the Employee shall in no case be denied the benefits described in Sections 8(b) and 9 hereof (including a Termination 
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Payment) based on events occurring after the Employee delivered his Notice of Termination.
(iii)Except as provided in Subsection (l)(q)(ii) above, if the party receiving the Notice of Termination notifies the other party that a dispute exists concerning the termination within the appropriate period following receipt thereof and it is finally determined that the reason asserted in such Notice of Termination did not exist, then (1) if such Notice was delivered by the Employee, the Employee will be deemed to have voluntarily terminated his employment and the Termination Date shall be the earlier of the date 15- days after the Notice of Termination is given or one day prior to the end of the Employment Period and (2) if delivered by the Company, the Company will be deemed to have terminated the Employee other than by reason of death, disability or Cause.
2.Termination or Cancellation Prior to Change in Control.  
(a)Subject to Subsection 2(b) hereof, the Company and the Employee shall each retain the right to cause the Employee to incur a Termination of Employment at any time prior to a Change in Control of the Company.  Subject to Subsection 2(b) hereof, in the event the Employee incurs a Termination of Employment prior to a Change in Control of the Company, this Agreement shall be terminated and cancelled and of no further force and effect, and any and all rights and obligations of the parties hereunder shall cease.
(b)Anything in this Agreement to the contrary notwithstanding, if a Change in Control of the Company occurs and if the Employee incurred an involuntary Termination of Employment by action of the Company (other than a termination due to the Employee’s death or as a result of the Employee’s disability or for Cause) during the period of 
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180 days prior to the date on which the Change in Control of the Company occurs, and if it is reasonably demonstrated by the Employee that such Termination of Employment (i) was at the request of a third party who has taken steps reasonably calculated to effect a Change in Control of the Company or (ii) otherwise arose in connection with or in anticipation of a Change in Control of the Company, then for all purposes of this Agreement related to the Accrued Benefits and the Termination Payment in Section 9 hereof, but excluding the additional benefits in Subsection 8(b) hereof, such Termination of Employment shall be deemed a “Covered Termination,” “Notice of Termination” shall be deemed to have been given, and the “Employment Period” shall be deemed to have begun on the date of such termination which shall be deemed to be the “Termination Date” and the date of the Change of Control of the Company for purposes of this Agreement.
3.Employment Period.  If a Change in Control of the Company occurs when the Employee is employed by the Company, the Company will continue thereafter to employ the Employee during the Employment Period, and the Employee will remain in the employ of the Company in accordance with and subject to the terms and provisions of this Agreement.  Any Termination of Employment by the Company of the Employee’s employment during the Employment Period shall be deemed a termination by the Company for purposes of this Agreement.
4.Duties.  During the Employment Period, the Employee shall, in the same capacities and positions held by the Employee at the time of the Change in Control of the Company or in such other capacities and positions as may be agreed to by the Company and the Employee in writing, devote the Employee’s best efforts and all of the Employee’s business time, attention and skill to the business and affairs of the Company, as such business and affairs now exist and as they may hereafter be conducted.  The services which are to be performed by the Employee hereunder are to be rendered in the same metropolitan area in which the 
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Employee was employed at the date of such Change in Control of the Company, or in such other place or places as shall be mutually agreed upon in writing by the Employee and the Company from time to time.  Without the Employee’s consent, the Employee shall not be required to be absent from such metropolitan area more than 45 days in any fiscal year of the Company.
5.Compensation.  During the Employment Period, the Employee shall be compensated as follows:
(a)The Employee shall receive, at reasonable intervals (but not less often than monthly) and in accordance with such standard policies as may be in effect immediately prior to the Change in Control of the Company, an annual base salary in cash equivalent of not less than 12 times the Employee’s highest monthly base salary for the twelve-month period immediately preceding the month in which the Change in Control of the Company occurs or, if higher, annual base salary at the rate in effect immediately prior to the Change in Control of the Company (which base salary shall be determined prior to any reduction for amounts deferred under Code Section 401(k) or otherwise, or deducted pursuant to a cafeteria plan under Code Section 125, subject to adjustment as hereinafter provided in Section 6 (such salary amount as adjusted upward from time to time is hereafter referred to as the “Annual Base Salary”).
(b)The Employee shall receive fringe benefits at least equal in value to the highest value of such benefits provided for the Employee at any time during the 180-day period immediately prior to the Change in Control of the Company or, if more favorable to the Employee, those provided generally at any time during the Employment Period to any employees of the Company of comparable status and position to the Employee; and shall be reimbursed, at such intervals and in accordance with such standard policies that are most favorable to the Employee that were in effect at any time during the 180-day period immediately 
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prior to the Change in Control of the Company, for any and all monies advanced in connection with the Employee’s employment for reasonable and necessary expenses incurred by the Employee on behalf of the Company, including travel expenses.
(c)The Employee and/or the Employee’s family, as the case may be, shall be included, to the extent eligible thereunder (which eligibility shall not be conditioned on the Employee’s salary grade or on any other requirement which excludes persons of comparable status and position to the Employee unless such exclusion was in effect for such plan or an equivalent plan at any time during the 180-day period immediately prior to the Change in Control of the Company), in any and all plans providing benefits for the Company’s salaried employees of comparable status and position, including but not limited to group life insurance, hospitalization, medical and dental plans; provided, that, (i) in no event shall the aggregate level of benefits under such plans in which the Employee is included be less than the aggregate level of benefits under plans of the Company of the type referred to in this Subsection 5(c) in which the Employee was participating at any time during the 180-day period immediately prior to the Change in Control of the Company and (ii) in no event shall the aggregate level of benefits under such plans be less than the aggregate level of benefits under plans of the type referred to in this Subsection 5(c) provided at any time after the Change in Control of the Company to any employee of the Company of comparable status and position to the Employee.
(d)The Employee shall annually be entitled to not less than the amount of paid vacation and not fewer than the highest number of paid holidays to which the Employee was entitled annually at any time during the 180-day period immediately prior to the Change in Control of the Company or such greater amount of paid vacation and number of paid holidays as may be made available annually to other employees of the Company of comparable status and position to the Employee at any time during the Employment Period.
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(e)The Employee shall be included in all plans providing additional benefits to employees of the Company of comparable status and position to the Employee, including but not limited to deferred compensation, split-dollar life insurance in certain grandfathered circumstances, stock option, stock appreciation, restricted stock, performance shares  and similar or comparable plans; provided, that, (i) in no event shall the aggregate level of benefits under such plans be less than the highest aggregate level of benefits under plans of the Company of the type referred to in this Subsection 5(e) in which the Employee was participating at any time during the 180-day period immediately prior to the Change in Control of the Company; (ii) in no event shall the aggregate level of benefits under such plans be less than the aggregate levels of benefits under plans of the type referred to in this Subsection 5(e) provided at any time after the Change in Control of the Company to any employee of the Company comparable in status and position to the Employee; and (iii) the Company’s obligation to include the Employee in bonus or incentive compensation plans shall be determined by Subsection 5(f) hereof.
(f)To assure that the Employee will have an opportunity to earn incentive compensation after a Change in Control of the Company, the Employee shall be included in a bonus plan of the Company which shall satisfy the standards described below (such plan, the “Bonus Plan”).  Bonuses under the Bonus Plan shall be payable with respect to achieving such financial or other goals reasonably related to the business of the Company as the Company shall establish (the “Goals”), all of which Goals shall be attainable, prior to the end of the Employment Period, with approximately the same degree of probability as the most attainable goals under the Company’s bonus plan or plans as in effect at any time during the 180-day period immediately prior to the Change in Control of the Company (whether one or more, the “Company Bonus Plan”) and in view of the Company’s existing and projected financial and business circumstances applicable at the time.  The amount of the bonus (the “Bonus 
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Amount”) that the Employee is eligible to earn under the Bonus Plan shall be no less than the amount of the Employee’s maximum award provided in such Company Bonus Plan (such bonus amount herein referred to as the “Targeted Bonus”), and in the event the Goals are not achieved such that the entire Targeted Bonus is not payable, the Bonus Plan shall provide for a payment of a Bonus Amount equal to a portion of the Targeted Bonus reasonably related to that portion of the Goals which were achieved.  Payment of the Bonus Amount shall not be affected by any circumstance occurring subsequent to the end of the Employment Period, including termination of the Employee’s employment and shall be paid within 21⁄2 months following the end of the performance period to which it relates.
6.Annual Compensation Adjustments.  During the Employment Period, the Board (or an appropriate committee or delegatee thereof) will consider and appraise, at least annually, the contributions of the Employee to the Company, and in accordance with the Company’s practice prior to the Change in Control of the Company, due consideration shall be given to the upward adjustment of the Employee’s Annual Base Salary, at least annually, (i) commensurate with increases generally given to other employees of the Company of comparable status and position to the Employee, and (ii) as the scope of the Company’s operations or the Employee’s duties expand.
7.Termination For Cause or Without Good Reason.  If there is a Covered Termination for Cause or due to the Employee’s voluntarily terminating the Employee’s employment other than for Good Reason (any such terminations to be subject to the procedures set forth in Section 13 hereof), then the Employee shall be entitled to receive only Accrued Benefits pursuant to Subsection 9(a) hereof.
8.Termination Giving Rise to a Termination Payment.  
(a)If there is a Covered Termination by the Employee for Good Reason, or by the Company other than by reason of (i) death, (ii) disability pursuant to Section 
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12 hereof, or (iii) Cause (any such terminations to be subject to the procedures set forth in Section 13 hereof), then the Employee shall be entitled to receive, and the Company shall promptly pay, Accrued Benefits and, in lieu of further base salary for periods following the Termination Date, as liquidated damages and additional severance pay and in consideration of the covenant of the Employee set forth in Subsection 14(a) hereof, the Termination Payment pursuant to Subsection 9(b) hereof.
(b)If there is a Covered Termination and the Employee is entitled to Accrued Benefits and the Termination Payment, then the Company shall provide to the Employee the following additional benefits:
(i)The Employee shall receive, at the expense of the Company, outplacement services, on an individualized basis at a level of service commensurate with the Employee’s status and position with the Company immediately prior to the date of the Change in Control of the Company (or, if higher, immediately prior to the termination of the Employee’s employment), provided by a nationally recognized placement firm selected by the Company; provided that the cost to the Company of such services shall not exceed 10% of the Employee’s Annual Base Salary and that such outplacement services shall cease no later than December 31 of the second calendar year following the calendar year in which the Employee’s Separation from Service occurs.
(ii)Until the earlier of the second anniversary of the Covered Termination or such time as the Employee has obtained new employment and is covered by benefits which, in the aggregate with the life benefits in (iii) below, are at least equal in value to the following benefits and those provided pursuant to (iii) below, the Employee shall 
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continue to be covered, at the expense of the Company, by the same or equivalent hospitalization, medical and dental coverage (each, a “health plan”) as was required hereunder with respect to the Employee immediately prior to the date the Notice of Termination is given. Such coverage shall count as COBRA continuation coverage.  Notwithstanding the foregoing, following the end of the COBRA continuation period, if such coverage is provided under a health plan that is subject to Code Section 105(h), benefits payable under such health plan shall comply with the requirements of Treasury regulation section 1.409A-3(i)(1)(iv)(A) and (B) and, if necessary, the Company shall amend such health plan to comply therewith.
(iii)Until the earlier of the second anniversary of the Covered Termination or such time as the Employee has obtained new employment and is covered by benefits which, in the aggregate with the health plan benefits in (ii) above, are at least equal in value to the following benefits and those provided pursuant to (ii) above, the Employee shall continue to be covered by the same or equivalent life coverage as was required hereunder with respect to the Employee immediately prior to the date the Notice of Termination is given.  During the first six months following the Employee’s Separation from Service, the Employee shall pay the Company for such coverage that is in excess of $50,000 under a group term life insurance policy.  After the end of such six month period, the Company shall make a cash payment to the Employee equal to the aggregate premiums paid by the Employee, and 
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thereafter such coverage shall be provided at the expense of the Company for the remainder of the period.  
(iv)The Company shall cause the Employee to be fully and immediately vested in his accrued benefit under any supplemental executive retirement plan of the Company providing benefits for the Employee (the “SERP”) and in any nonqualified defined contribution retirement plan of the Company.  In addition, the Company shall cause the Employee to be deemed to have satisfied any minimum years of service requirement under the SERP for subsidized early retirement benefits regardless of the Employee's age and service at the date of the Covered Termination; provided, however, that SERP benefits will be based on service to date with no additional credit for service or age beyond the date of the Covered Termination.
(v)All equity-based awards issued to the Employee will be governed by the plan and the agreement pursuant to which the awards were granted.
9.Payments Upon Termination.
(a)Accrued Benefits.  For purposes of this Agreement, the Employee’s “Accrued Benefits” shall include the following amounts, payable as described herein: (i) all base salary for the time period ending with the Termination Date; (ii) reimbursement for any and all monies advanced in connection with the Employee’s employment for reasonable and necessary expenses incurred by the Employee on behalf of the Company for the time period ending with the Termination Date; (iii) any and all other cash earned through the Termination Date and deferred at the election of the Employee or pursuant to any deferred compensation plan then in effect (which deferrals shall be paid in accordance with the 
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applicable terms of such deferred compensation plan); (iv) subject to any deferral election then in effect, a lump sum payment of the bonus or incentive compensation otherwise payable to the Employee with respect to the year in which termination occurs under all bonus or incentive compensation plan or plans in which the Employee is a participant; and (v) all other payments and benefits to which the Employee (or in the event of the Employee’s death, the Employee’s surviving spouse or other beneficiary) may be entitled as compensatory fringe benefits or under the terms of any benefit plan of the Company, excluding any other severance payments under any Company severance policy, practice or agreement in effect immediately prior to the Change in Control of the Company.  Payment of Accrued Benefits shall be made promptly in accordance with the Company’s prevailing practice with respect to Subsections 9(a)(i) and (ii), pursuant to the terms of the benefit plan or practice establishing such benefits with respect to Subsections 9(a)(iii) and (v), and, with respect to Subsection 9(a)(iv), (i) for payments not exempt from Code Section 409A, as of the same time as the Termination Payment or (ii) for payments exempt from Code Section 409A, as of the time payments are made to covered participants generally under such plan.
(b)Termination Payment.
(i)Subject to the limits set forth in Subsection 9(b)(ii) hereof, the Termination Payment shall be an amount equal to (A) the Employee’s Annual Base Salary (determined as of the time of the Change in Control of the Company or, if higher, immediately prior to the date the Notice of Termination is given) plus (B) an amount equal to the Employee’s target bonus for the year in which the Termination Date occurs (the aggregate amount set forth in (A) and (B) hereof shall hereafter be referred to as “Annual Cash Compensation”), times (C) 2.99; provided, however, that such amount shall not be less than the greater of 
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(i) the amount of the Employee’s Annual Cash Compensation or (ii) the severance benefits to which the Employee would have been entitled under the Company’s severance policies and practices in effect immediately prior to the Change in Control of the Company.  The Termination Payment shall be paid to the Employee in cash equivalent 10 business days after the Separation from Service, provided that in the event the Employee’s Termination Date is pursuant to Section 2(b), the lump sum payment shall be paid 10 business days after the date of the Change in Control of the Company (as defined without reference to Section 2(b)).  Such lump sum payment shall not be reduced by any present value or similar factor, and the Employee shall not be required to mitigate the amount of the Termination Payment by securing other employment or otherwise, nor will such Termination Payment be reduced by reason of the Employee securing other employment or for any other reason.  The Termination Payment shall be in lieu of, and acceptance by the Employee of the Termination Payment shall constitute the Employee’s release of any rights of Employee to, any other severance payments under any Company severance policy, practice or agreement.  The Company shall bear up to $10,000 in the aggregate of fees and expenses of consultants and/or legal or accounting advisors engaged by the Employee to advise the Employee as to matters relating to the computation of benefits due and payable under this Subsection 9(b); the payment of any such amount shall be made promptly upon submission of the proof of such expense, but in no event later than December 31 of the 
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second calendar year following the calendar year in which the Employee’s Separation from Service occurs.
(ii)(A)  Notwithstanding any other provision of this Agreement, if any portion of the Termination Payment or any other payment under this Agreement, or under any other agreement with or plan of the Company or its affiliates (in the aggregate, “Total Payments”), would constitute an “excess parachute payment” that is subject to the tax (the “Excise Tax”) imposed by Code Section 4999, then the Total Payments to be made to the Employee shall be reduced such that the value of the aggregate Total Payments that the Employee is entitled to receive shall be One Dollar ($1) less than the maximum amount which the Employee may receive without becoming subject to the tax imposed by Code Section 4999.
(B)     Notwithstanding Subsection 9(b)(ii)(A), the reduction in the amount of Total Payments provided in Subsection 9(b)(ii)(A) shall not apply if the after-tax value to the Employee of the Total Payments prior to reduction in accordance with Subsection 9(b)(ii)(A) is greater than the after-tax value to the Employee if Total Payments are reduced in accordance with Subsection 9(b)(ii)(A). 
(C)    For purposes of this Agreement, the terms “excess parachute payment” and “parachute payments” shall have the meanings assigned to them in Code Section 280G, and such “parachute payments” shall be valued as provided therein.  Present value shall be calculated in accordance with Code Section 1274(b)(2).  Within forty (40) days following a Covered Termination or the delivery of the notice by the 
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Company to the Employee of its belief that there is a payment or benefit due the Employee which will result in an excess parachute payment as defined in Code Section 280G, the Employee and the Company, at the Company’s expense, shall obtain the opinion (which need not be unqualified) of nationally recognized tax counsel (“National Tax Counsel”) selected by the Company’s independent auditors and reasonably acceptable to the Employee (which may be regular outside counsel to the Company), which opinion sets forth:  (1) the amount of the Base Period Income, (2) the amount and present value of Total Payments, (3) the amount and present value of any excess parachute payments determined without regard to the limitations of this Subsection 9(b)(ii), (4) the after-tax value of the Total Payments if the reduction in Total Payments contemplated under Subsection 9(b)(ii)(A) did not apply, and (5) the after-tax value of the Total Payments taking into account the reduction in Total Payments contemplated under Subsection 9(b)(ii)(A).  As used in this Subsection 9(b)(ii), the term “Base Period Income” means an amount equal to the Employee’s “annualized includible compensation for the base period” as defined in Code Section 280G(d)(1).  For purposes of such opinion, the value of any noncash benefits or any deferred payment or benefit shall be determined by the Company’s independent auditors in accordance with the principles of Code Sections 280G(d)(3) and (4), which determination shall be evidenced in a certificate of such auditors addressed to the Company and the Employee.  For purposes of determining the after-tax value of Total Payments, the Employee shall be deemed to pay federal income taxes and employment taxes at the highest 
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marginal rate of federal income and employment taxation in the calendar year in which the Termination Payment is to be made and state and local income taxes at the highest marginal rates of taxation in the state and locality of the Employee’s domicile for income tax purposes on the date the Termination Payment is to be made, net of the maximum reduction in federal income taxes that may be obtained from deduction of such state and local taxes.  The opinion of National Tax Counsel shall be addressed to the Company and the Employee and shall be binding upon the Company and the Employee.  If such opinion determines that there would be an excess parachute payment and that the after-tax value of the Total Payments taking into account the reduction contemplated under Subsection 9(b)(ii)(A) is greater than the after-tax value of the Total Payments if the reduction in Total Payments contemplated under Subsection 9(b)(ii)(A) did not apply, then the Termination Payment hereunder or any other payment or benefit determined by such counsel to be includible in Total Payments shall be reduced or eliminated so that under the bases of calculation set forth in such opinion there will be no excess parachute payment.  Such reduction will be achieved by reducing or eliminating payments or benefits in the following order, so that under the bases of calculations set forth in such opinion there will be no excess parachute payment; provided that in the event it is determined that the foregoing methodology for reduction would violate Code Section 409A, the reduction shall be made pro rata among the benefits and/or payments (on the basis of the relative present value of the parachute payments):  (A) any Termination Payment, (B) any acceleration of equity awards under 
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any applicable plan or program of the Company, (C) any payment or benefit under the SERP, (D) any non-cash compensation payable upon the termination of an Employee and (E) any Accrued Benefits.  If such National Tax Counsel so requests in connection with the opinion required by this Subsection 9(b)(ii), the Employee and the Company shall obtain, at the Company’s expense, and the National Tax Counsel may rely on in providing the opinion, the advice of a firm of recognized executive compensation consultants as to the reasonableness of any item of compensation to be received by the Employee solely with respect to its status under Code Section 280G and the regulations thereunder.  If the provisions of Code Sections 280G and 4999 are repealed without succession, then this Section 9(b)(ii) shall be of no further force or effect.
(iii)If, notwithstanding the provisions of Subsection (ii) of this Subsection 9(b), it is ultimately determined by a court or pursuant to a final determination by the Internal Revenue Service that any portion of Total Payments is subject to the tax imposed by Code Section 4999, even though the reduction contemplated under Subsection 9(b)(ii)(A) was applied in order to avoid application of the Excise Tax, the Company shall pay to the Employee an additional amount such that the net amount retained by the Employee after deduction of any Excise Tax and any interest charges or penalties in respect of the imposition of such Excise Tax (but not any federal, state or local income tax) on the Total Payments, and any federal, state and local income tax and Excise Tax upon the payment provided for by this Subsection (iii), shall be equal to the Total Payments.  For purposes of determining the amount of the 
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reimbursement amount under this Subsection 9(b)(iii), the Employee shall be deemed to pay federal income taxes at the highest marginal rate of federal income taxation in the calendar year in which the reimbursement is to be made and state and local income taxes at the highest marginal rates of taxation in the state and locality of the Employee’s domicile for income tax purposes on the date the reimbursement is made, net of the maximum reduction in federal income taxes which could be obtained from deduction of such state and local taxes.  Such reimbursement shall be paid promptly following the date of the final determination by a court or the Internal Revenue Service, but no later than the end of the calendar year following the year in which the Employee remits the Excise Tax to the Internal Revenue Service.
(iv)The Company agrees to bear all costs associated with, and to indemnify and hold harmless, the National Tax Counsel of and from any and all claims, damages, and expenses resulting from or relating to its determinations pursuant to this Subsection 9(b), except for claims, damages or expenses resulting from the gross negligence or willful misconduct of such firm.
10.Death.  
(a)Except as provided in Section 10(b) hereof, in the event of a Covered Termination due to the Employee’s death, the Employee’s estate, heirs and beneficiaries shall receive all the Employee’s Accrued Benefits through the Termination Date.
(b)In the event the Employee dies after a Notice of Termination is given (i) by the Company or (ii) by the Employee for Good Reason, the Employee’s estate, heirs and beneficiaries shall be entitled to the benefits described in Subsection 10(a) hereof and, 
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subject to the provisions of this Agreement, to such Termination Payment as the Employee would have been entitled to had the Employee lived.  For purposes of this Subsection 10(b), the Termination Date shall be the earlier of 30 days following the giving of the Notice of Termination, subject to extension pursuant to Subsection 1(p) hereof, or one day prior to the end of the Employment Period.  The benefit shall be paid 10 business days after the Termination Date, without interest.
11.Retirement.  If, during the Employment Period, the Employee and the Company shall execute an agreement providing for the early retirement of the Employee from the Company, or the Employee shall otherwise give notice that he is voluntarily choosing to retire early from the Company, the Employee shall receive Accrued Benefits through the Termination Date; provided, that if the Employee’s employment is terminated by the Employee for Good Reason or by the Company other than by reason of death, disability or Cause and the Employee also, in connection with such termination, elects voluntary early retirement, the Employee shall also be entitled to receive a Termination Payment pursuant to Subsection 8(a) hereof.
12.Termination for Disability.  If, during the Employment Period, as a result of the Employee’s disability due to physical or mental illness or injury (regardless of whether such illness or injury is job-related), the Employee shall have been absent from the Employee’s duties hereunder on a full-time basis for a period of six consecutive months and, within 30 days after the Company notifies the Employee in writing that it intends to terminate the Employee’s employment (which notice shall not constitute the Notice of Termination contemplated below), the Employee shall not have returned to the performance of the Employee’s duties hereunder on a full-time basis, the Company may terminate the Employee’s employment for purposes of this Agreement pursuant to a Notice of Termination given in accordance with Section 13 hereof.  If the Employee’s employment is terminated on account of the Employee’s disability in 
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accordance with this Section, the Employee shall receive Accrued Benefits in accordance with Subsection 9(a) hereof and shall remain eligible for all benefits provided by any long term disability programs of the Company in effect at the time of such termination.
13.Termination Notice and Procedure.  Any Covered Termination by the Company or the Employee (other than a termination of the Employee’s employment that is a Covered Termination by virtue of Subsection 2(b) hereof) shall be communicated by a written notice of termination (“Notice of Termination”) to the Employee, if such Notice is given by the Company, and to the Company, if such Notice is given by the Employee, all in accordance with the following procedures and those set forth in Section 24 hereof:
(a)If such termination is for disability, Cause or Good Reason, the Notice of Termination shall indicate in reasonable detail the facts and circumstances alleged to provide a basis for such termination.
(b)Any Notice of Termination by the Company shall have been approved, prior to the giving thereof to the Employee, by a resolution duly adopted by a majority of the directors of the Company (or any successor corporation) then in office.
(c)If the Notice is given by the Employee for Good Reason, the Employee may cease performing the Employee’s duties hereunder on or after the date 15 days after the delivery of Notice of Termination and shall in any event cease employment on the Termination Date.  If the Notice is given by the Company, then the Employee may cease performing the Employee’s duties hereunder on the date of receipt of the Notice of Termination, subject to the Employee’s rights hereunder.
(d)The Employee shall have 30 days, or such longer period as the Company may determine to be appropriate, to cure any conduct or act, if curable, alleged to provide grounds for termination of the Employee’s employment for Cause under this Agreement pursuant to Subsection 1(f) (iii) hereof.
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(e)The recipient of any Notice of Termination shall personally deliver or mail in accordance with Section 23 hereof written notice of any dispute relating to such Notice of Termination to the party giving such Notice within 15 days after receipt thereof; provided, however, that if the Employee’s conduct or act alleged to provide grounds for termination by the Company for Cause is curable, then such period shall be thirty days.  After the expiration of such period, the contents of the Notice of Termination shall become final and not subject to dispute.
14.Further Obligations of the Employee.  
(a)Competition.  The Employee agrees that, in the event of any Covered Termination where the Employee is entitled to Accrued Benefits and the Termination Payment, the Employee shall not, for a period expiring one year after the Termination Date, without the prior written approval of Alliant’s Chief Executive Officer or his designee, participate in the management of, be employed by or own any business enterprise at a location within the Company’s service territory (defined as the regulated service territory as authorized by the appropriate state agencies regulating utilities with jurisdiction over Alliant utility subsidiaries) that engages in substantial competition with the Company or its subsidiaries, where such enterprise’s revenues from producing, selling, and distributing energy and providing energy-related services to its customers, amount to 10% or more of such enterprise’s net revenues and sales for its most recently completed fiscal year; provided, however, that nothing in this Subsection 14(a) shall prohibit the Employee from owning stock or other securities of a competitor amounting to less than five percent of the outstanding capital stock of such competitor.
(b)Confidentiality.  During the Employee’s employment by the Company and for a period of five (5) years thereafter, the Employee shall hold in confidence and not directly or indirectly disclose or use or copy or make lists of any confidential information or 
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proprietary data of the Company (including that of the Company), except to the extent authorized in writing by the Board or required by any court or administrative agency, other than to an employee of the Company or a person to whom disclosure is reasonably necessary or appropriate in connection with the performance by the Employee of duties as an employee of the Company.  Confidential information shall not include any information known generally to the public or any information of a type not otherwise considered confidential by persons engaged in the same business or a business similar to that of the Company.  All records, files, documents and materials, or copies thereof, relating to the business of the Company which the Employee shall prepare, or use, or come into contact with, shall be and remain the sole property of the Company and shall be promptly returned to the Company upon termination of employment with the Company.
15.Expenses and Interest.  If, after a Change in Control of the Company, (i) a dispute arises with respect to the enforcement of the Employee’s rights under this Agreement or (ii) any legal or arbitration proceeding shall be brought to enforce or interpret any provision contained herein or to recover damages for breach hereof, in either case so long as, and to the extent that, the Employee prevails in such proceeding, the Employee shall recover from the Company the reasonable attorneys’ fees and necessary costs and disbursements incurred as a result of the dispute, legal or arbitration proceeding as to which the Employee has prevailed (“Expenses”), and prejudgment interest on any money judgment or arbitration award obtained by the Employee calculated at the rate of interest announced by U.S. Bank Milwaukee, N. A., Milwaukee, Wisconsin, from time to time at its prime or base lending rate from the date that payments to him or her should have been made under this Agreement.  Any dispute as to the reasonableness of the Expenses incurred, or the extent to which the Employee has prevailed, shall be resolved by the presiding officer (arbitrator or judge) in the forum in which the substantive issues are finally resolved.  Any such payment shall be made promptly following the 
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date of the final determination, but no later than the end of the calendar year following the year in which the Employee incurs the expense.
16.Payment Obligations Absolute.  The Company’s obligation during and after the Employment Period to pay the Employee the amounts and to make the benefit and other arrangements provided herein shall be absolute and unconditional and shall not be affected by any circumstances, including, without limitation, any setoff, counterclaim, recoupment, defense or other right which the Company may have against him or anyone else.  Except as provided in Section 15 of this Agreement, all amounts payable by the Company hereunder shall be paid without notice or demand.  Each and every payment made hereunder by the Company shall be final, and the Company will not seek to recover all or any part of such payment from the Employee, or from whomsoever may be entitled thereto, for any reason whatsoever.
17.Successors.  
(a)If Alliant sells, assigns or transfers all or substantially all of its business and assets to any Person or if Alliant merges into or consolidates or otherwise combines (where Alliant does not survive such combination) with any Person (any such event, a “Sale of Business”), then Alliant shall assign all of its right, title and interest in this Agreement as of the date of such event to such Person, and Alliant shall cause such Person, by written agreement in form and substance reasonably satisfactory to the Employee, to expressly assume and agree to perform from and after the date of such assignment all of the terms, conditions and provisions imposed by this Agreement upon the Company.  Failure of Alliant to obtain such agreement prior to the effective date of such Sale of Business shall be a breach of this Agreement constituting “Good Reason” hereunder, except that for purposes of implementing the foregoing the date upon which such Sale of Business becomes effective shall be deemed the Termination Date.  In case of such assignment by Alliant and of assumption and agreement by 
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such Person, as used in this Agreement, “Company” shall thereafter mean such Person which executes and delivers the agreement provided for in this Section 17 or which otherwise becomes bound by all the terms and provisions of this Agreement by operation of law, and this Agreement shall inure to the benefit of, and be enforceable by, such Person.  The Employee shall, in the Employee’s discretion, be entitled to proceed against any or all of such Persons, any Person which theretofore was such a successor to Alliant and the Company (as so defined) in any action to enforce any rights of the Employee hereunder.  Except as provided in this Subsection, this Agreement shall not be assignable by Alliant.  This Agreement shall not be terminated by the voluntary or involuntary dissolution of Alliant.
(b)This Agreement and all rights of the Employee shall inure to the benefit of and be enforceable by the Employee’s personal or legal representatives, executors, administrators, heirs and beneficiaries.  All amounts payable to the Employee under Sections 7, 8, 9, 10, 11, 12 and 15 hereof if the Employee had lived shall be paid, in the event of the Employee’s death, to the Employee’s estate, heirs and representatives; provided, however, that the foregoing shall not be construed to modify any terms of any benefit plan of the Company, as such terms are in effect on the date of the Change in Control of the Company, that expressly govern benefits under such plan in the event of the Employee’s death.
18.Severability.  The provisions of this Agreement shall be regarded as divisible, and if any of said provisions or any part hereof are declared invalid or unenforceable by a court of competent jurisdiction, the validity and enforceability of the remainder of such provisions or parts hereof and the applicability thereof shall not be affected thereby.
19.Contents of Agreement; Waiver of Rights; Amendment.  This Agreement sets forth the entire understanding between the parties hereto with respect to the subject matter hereof and shall supersede in all respects, and the Employee hereby waives all rights under, any prior or other agreement or understanding between the parties with respect to such subject 
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matter, including, but not limited to the Key Executive Employment and Severance Agreement dated [date].  This Agreement may not be amended or modified at any time except by written instrument executed by Alliant and the Employee.
20.Withholding.  The Company shall be entitled to withhold from amounts to be paid to the Employee hereunder any federal, state or local withholding or other taxes or charges which it is from time to time required to withhold; provided, that the amount so withheld shall not exceed the minimum amount required to be withheld by law.  The Company shall be entitled to rely on an opinion of the National Tax Counsel if any question as to the amount or requirement of any such withholding shall arise.  In addition, if prior to the date of payment of the Termination Payment hereunder, the Federal Insurance Contributions Act (FICA) tax imposed under Code Sections 3101, 3121(a) and 3121(v)(2), where applicable, becomes due, the Company may provide for an immediate payment of the amount needed to pay the Employee’s portion of such tax (plus taxes thereon) and the Termination Payment shall be reduced accordingly.
21.Additional Section 409A Provisions.
(a)The parties intend that this Agreement and the payments and other benefits provided hereunder be exempt from the requirements of Code Section 409A to the maximum extent possible, whether pursuant to the short-term deferral exception described in Treasury Regulation Section 1.409A-1(b)(4) or otherwise.  To the extent Code Section 409A is applicable to this Agreement (and such payments and benefits), the parties intend that this Agreement (and such payments and benefits) comply with the deferral, payout and other limitations and restrictions imposed under Code Section 409A.  Notwithstanding any other provision of this Agreement to the contrary, this Agreement shall be interpreted, operated and administered in a manner consistent with such intentions.  To the maximum extent permissible, any ambiguous terms of this Agreement shall be interpreted in a manner which avoids a 
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violation of Code Section 409A.  Notwithstanding any other provision of this Agreement to the contrary, the Company does not guarantee the tax treatment or tax consequences associated with any payment or benefit, including but not limited to consequences related to Code Section 409A.  
(b)Notwithstanding any other provision of this Agreement to the contrary, with respect to any payments and benefits under this Agreement to which Code Section 409A applies, if the Employee is a “specified employee,” within the meaning of Code Section 409A, then to the extent necessary to avoid subjecting the Employee to the imposition of any additional tax under Code Section 409A, amounts that would otherwise be payable under this Agreement during the six-month period immediately following the Employee’s “separation from service,” within the meaning of Code Section 409A(a)(2)(A)(i), shall not be paid to the Employee during such period, but shall instead be accumulated and paid to the Employee (or, in the event of the Employee’s death, the Employee’s estate) in a lump sum on the first business day after the earlier of the date that is six months following the Employee’s separation from service or the Employee’s death.
(c)If an amount or the value of a benefit under this Agreement is required to be included in an Employee’s income prior to the date such amount is actually distributed or benefit provided as a result of the failure of this Agreement (or any other arrangement required to be aggregated with this Agreement under Code Section 409A) to comply with Code Section 409A, then the Employee shall receive a distribution, in a lump sum, within 90 days after the date it is finally determined that the Agreement fails to meet the requirements of Code Section 409A; such distribution shall equal the amount required to be included in the Employee’s income as a result of such failure and shall reduce the amount of payments or benefits otherwise due hereunder.  
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(d)If any payment or the provision of any benefit required under the terms of this Agreement would jeopardize the ability of the Company to continue as a going concern, the Company shall not be required to make such payment or provide such benefit; rather, the payment or benefit shall be delayed until the first date that making the payment or benefit does not jeopardize the ability of the Company to continue as a going concern.   
(e)If any payment or benefit due pursuant to this Agreement would violate the terms of Section 16(b) of the Securities Exchange Act of 1934 or other Federal securities laws, or any other applicable law, then the payment or the provision of the benefit shall be delayed until the earliest date on which making such payment or providing such benefit would not violate such law.
(f)Each payment provided under this Agreement shall be treated as a separate payment for purposes of Code Section 409A.  To the extent required by Code Section 409A, each reimbursement or in-kind benefit provided under this Agreement will be provided in accordance with the following:  (i) the amount of expenses eligible for reimbursement, or in-kind benefits provided, during each calendar year cannot affect the expenses eligible for reimbursement, or in-kind benefits to be provided, in any other calendar year; (ii) any reimbursement of an eligible expense will be paid to Employee on or before the last day of the calendar year following the calendar year in which the expense was incurred; and (iii) any right to reimbursements or in-kind benefits under this Agreement will not be subject to liquidation or exchange for another benefit.
(g)The Employee acknowledges that to avoid an additional tax on payments that may be payable or benefits that may be provided under this Agreement and that constitute deferred compensation that is not exempt from Code Section 409A, the Employee must make a reasonable, good faith effort to collect any payment or benefit to which the Employee believes the Employee is entitled hereunder no later than 90 days after the latest date 
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upon which the payment could have been made or benefit provided under this Agreement, and if not paid or provided, must take further enforcement measures within 180 days after such latest date.
22.Certain Rules of Construction.  No party shall be considered as being responsible for the drafting of this Agreement for the purpose of applying any rule construing ambiguities against the drafter or otherwise.  No draft of this Agreement shall be taken into account in construing this Agreement.  Any provision of this Agreement which requires an agreement in writing shall be deemed to require that the writing in question be signed by the Employee and an authorized representative of the Company.
23.Governing Law; Resolution of Disputes.  This Agreement and the rights and obligations hereunder shall be governed by and construed in accordance with the laws of the State of Wisconsin.  Any dispute arising out of this Agreement shall, at the Employee’s election, be determined by arbitration under the rules of the American Arbitration Association then in effect (in which case both parties shall be bound by the arbitration award) or by litigation.  Whether the dispute is to be settled by arbitration or litigation, the venue for the arbitration or litigation shall be Madison, Wisconsin or, at the Employee’s election, if the Employee is not then residing or working in the Madison, Wisconsin metropolitan area, in the judicial district encompassing the city in which the Employee resides; provided, that, if the Employee is not then residing in the United States, the election of the Employee with respect to such venue shall be either Madison, Wisconsin, or in the judicial district encompassing that city in the United States among the thirty cities having the largest population (as determined by the most recent United States Census data available at the Termination Date) which is closest to the Employee’s residence.  The parties consent to personal jurisdiction in each trial court in the selected venue having subject matter jurisdiction notwithstanding their residence or situs, and each party 
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irrevocably consents to service of process in the manner provided hereunder for the giving of notices.  
24.Notice.  Notices given pursuant to this Agreement shall be in writing and, except as otherwise provided by Subsection 13(d) hereof, shall be deemed given when actually received by the Employee or actually received by Alliant’s Corporate Secretary or any officer of Alliant other than the Employee.  If mailed, such notices shall be mailed by United States registered or certified mail, return receipt requested, addressee only, postage prepaid, if to the Company, to Alliant Energy Corporation, Attention: Corporate Secretary, 4902 North Biltmore Lane, Suite 1000, Madison, Wisconsin 53718-2148, or if to the Employee, at the address set forth below the Employee’s signature to this Agreement, or to such other address as the party to be notified shall have theretofore given to the other party in writing.
25.No Waiver.  No waiver by either party at any time of any breach by the other party of, or compliance with, any condition or provision of this Agreement to be performed by the other party shall be deemed a waiver of similar or dissimilar provisions or conditions at the same time or any prior or subsequent time.  
26.Headings.  The headings herein contained are for reference only and shall not affect the meaning or interpretation of any provision of this Agreement.
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IN WITNESS WHEREOF, the parties have executed this Agreement as of the dates listed below.

						
	ALLIANT ENERGY CORPORATION
		
	By:	
		
	Its:	
		
	Date:	
		
		
	EMPLOYEE:	
		
		
		
	Address:	
		
		
		
	Date:	

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