Document:

Exhibit

Exhibit 10.28
AMENDED AND RESTATED EMPLOYMENT AGREEMENT
This AMENDED AND RESTATED EMPLOYMENT AGREEMENT (the “Agreement”) is entered into by and between Carrizo Oil & Gas, Inc., a Texas corporation (the “Company”), and Gregory F. Conaway (the “Employee”), to be effective as of the 14th day of February 2019 (the “Agreement Effective Date”), and amends and restates the Employment Agreement between the Parties dated as of July 11, 2011. Contemporaneously with the execution of this Agreement, the Company is adopting, and the Employee is being made a participant in, the Carrizo Oil & Gas, Inc. Change in Control Severance Plan, effective as of February 14, 2019 (the “Change in Control Severance Plan”).
NOW, THEREFORE, IT IS HEREBY AGREED AS FOLLOWS:
1.Employment Period. As of the Agreement Effective Date, the Company hereby agrees to continue to employ the Employee and the Employee hereby agrees to remain in the employment with the Company, in accordance with, and subject to, the terms and provisions of this Agreement, for the period (the “Employment Period”) commencing on the Agreement Effective Date and ending on the first anniversary of the Agreement Effective Date; provided, on the Agreement Effective Date and on each day thereafter, the Employment Period shall automatically be extended for an additional one day without any further action by either the Company or the Employee, it being the intention of the parties that there shall be continuously a remaining term of not less than one year’s duration of the Employment Period until an event has occurred as described in, or one of the parties shall have made an appropriate election and notification pursuant to, the provisions of Section 3.
2.Terms of Employment.
(a)    Position and Duties. As of the Agreement Effective Date, the Employee shall continue as a full time employee with the title and responsibilities of Vice President and Chief Accounting Officer and during the Employment Period, excluding any periods of vacation and sick leave to which the Employee is entitled, the Employee agrees to devote full attention and time during normal business hours to the business and affairs of the Company and, to the extent necessary to discharge the responsibilities assigned to the Employee hereunder, to use the Employee’s reasonable best efforts to perform faithfully and efficiently such responsibilities as may be assigned to the Employee by senior executives of the Company. During the Employment Period, it shall not be a violation of this Agreement for the Employee to (A) serve on corporate, civic, educational, alumni or charitable boards or committees, (B) deliver lectures, fulfill speaking engagements or teach at educational institutions or (C) manage personal investments, so long as such activities do not materially interfere with the performance of the Employee’s responsibilities as an employee of the Company in accordance with this Agreement; provided that the Employee may not serve on the board of a publicly traded for profit corporation or similar body of a publicly traded for profit business organized in other than corporate form, without the consent of the Nominating and Corporate Governance Committee of the Board of Directors of the Company (the “Board”).

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(b)    Compensation.
(i)    Base Salary. Commencing on the Agreement Effective Date and thereafter during his Employment Period, the Employee shall receive an annual base salary of $273,000 (as such salary may be increased from time to time, the “Annual Base Salary”), which shall be paid no less frequently than on a semimonthly basis.
(ii)    Annual Incentive Bonus. In addition to Annual Base Salary, the Employee may be awarded, for each fiscal year or portion thereof during the Employment Period, an Annual Incentive Bonus (the “Annual Incentive Bonus”), in an amount as determined by the compensation committee of the Board of Directors of the Company, in its sole discretion, taking into account the Company’s performance, the Employee’s position, responsibilities, and accomplishments with the Company and considering the Employee’s performance review and evaluation and other factors deemed reasonable and appropriate by the compensation committee, prorated for any period consisting of less than 12 full months.
(iii)    Incentive, Savings and Retirement Plans. During the Employment Period, the Employee shall be entitled to participate in all incentive, savings and retirement plans that are tax-qualified under Section 401(a) of the Internal Revenue Code of 1986, as amended (“Code”), and all plans that are supplemental to any such tax-qualified plans, in each case to the extent that such plans are applicable generally to other salaried employees of the Company and its affiliated companies. As used in this Agreement, the term “affiliated companies” shall include, when used with reference to the Company, any company controlled by, controlling or under common control with the Company.
(iv)    Welfare Benefit Plans. During the Employment Period, the Employee and/or the Employee’s dependents, as the case may be, shall be eligible for participation in and shall receive all benefits under welfare benefit plans, practices, policies and programs provided by the Company or its affiliated companies (including, without limitation, medical, prescription, dental, vision, disability, salary continuance, group life and supplemental group life, accidental death and travel accident insurance plans and programs) to the extent applicable generally to other salaried employees of the Company and its affiliated companies.
(v)    Expenses. During the Employment Period, the Employee shall be entitled to receive prompt reimbursement for all reasonable expenses, including approved professional membership fees, incurred by the Employee in accordance with the policies, practices and procedures of the Company and its affiliated companies.
(vi)    Vacation. During the Employment Period, the Employee shall be entitled to paid vacation in accordance with the plans, policies, programs and practices of the Company and its affiliated companies.

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3.    Termination of Employment. 
(a)    Death or Disability. The Employee’s employment shall terminate automatically upon the Employee’s death during the Employment Period. If the Company determines in good faith that the Disability of the Employee has occurred during the Employment Period (pursuant to the definition of Disability set forth below), it may give to the Employee written notice in accordance with Section 12(d) of this Agreement of its intention to terminate the Employee’s employment. In such event, the Employee’s employment with the Company shall terminate effective on the 30th day after receipt of such notice by the Employee (the “Disability Effective Date”), provided that, within the 30 days after such receipt, the Employee shall not have returned to full-time performance of the Employee’s duties. For the purposes of this Agreement, “Disability” shall mean the absence of the Employee from the Employee’s duties with the Company on a full-time basis for either (i) 180 consecutive business days or (ii) in any two-year period 270 nonconsecutive business days as a result of incapacity due to mental or physical illness which is determined to be total and permanent by a physician selected by the Company or its insurers and acceptable to the Employee or the Employee’s legal representative (such agreement as to acceptability not to be withheld unreasonably). In the event the Employee incurs a separation from service within the meaning of Treasury Regulation § 1.409A-1(h) as a result of his incapacity, then the Disability Effective Date shall be deemed to be the date of the Employee’s separation from service.
(b)    Cause. The Company may terminate the Employee’s employment during the Employment Period for Cause. For purposes of this Agreement, “Cause” shall mean the Company’s termination of the Employee’s employment for any of the following: (i) the Employee’s final conviction of a felony crime that enriched the Employee at the expense of the Company; provided, however, that after indictment, the Company may suspend the Employee from the rendition of services, but without limiting or modifying in any other way the Company’s obligations under this Agreement; (ii) a breach by the Employee of a fiduciary duty owed to the Company; (iii) a breach by the Employee of any of the covenants made by him in Sections 7 and 9 hereof; (iv) the willful and gross neglect by the Employee of the duties specifically and expressly required by this Agreement; or (v) the Employee’s continuing failure to substantially perform his duties and responsibilities hereunder (except by reason of the Employee’s incapacity due to physical or mental illness or injury).
(c)    Other Terminations. The Employee’s employment may be terminated during the Employment Period at any time by the Employee or the Company for any reason. 
(d)    Notice of Termination. Any termination by the Company for Cause, or by the Employee, shall be communicated by Notice of Termination to the other party hereto given in accordance with Section 12(d) of this Agreement. The failure by the Company to set forth in the Notice of Termination any fact or circumstance which contributes to a showing of Cause shall not waive any right of the Company hereunder or preclude the Company from asserting such fact or circumstance in enforcing the Company’s rights hereunder.
(e)    Date of Termination. For purposes of this Agreement, the term “Date of Termination” means (i) if the Employee’s employment is terminated by the Company for Cause, 

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the date of receipt of the Notice of Termination or any later date specified therein, as the case may be, (ii) if the Employee’s employment is terminated by the Company other than for Cause or Disability, the Date of Termination shall be the date on which the Company notifies the Employee of such termination, (iii) if the Employee’s employment is terminated by reason of death or Disability, the Date of Termination shall be the date of death of the Employee or the Disability Effective Date, as the case may be and (iv) if the Employee’s employment is terminated by the Employee, the Date of Termination shall be the date of the receipt of the Notice of Termination or any later date specified therein.
(f)    Deemed Resignations. Unless otherwise agreed to in writing by the Company and Employee prior to the termination of Employee’s employment, any termination of Employee’s employment shall constitute an automatic resignation of Employee as an officer of the Company and each affiliate of the Company, and an automatic resignation of Employee from the Board and the board of directors of the Company (if applicable) and from the board of directors or similar governing body of any affiliate of the Company and from the board of directors or similar governing body of any corporation, limited liability entity or other entity in which the Company or any affiliate holds an equity interest and with respect to which board or similar governing body Employee serves as the Company’s or such affiliate’s designee or other representative.
4.    Obligations of the Company upon Termination.
(a)    Disability. If, during the Employment Period, the Company shall terminate the Employee’s employment by reason of Disability (but not by reason of death):
(i)    the Company shall pay or provide to or in respect of the Employee the following amounts and benefits:
A.    in a lump sum in cash, within 10 days after the Date of Termination, an amount equal to the sum of (1) the Employee’s Annual Base Salary through the Date of Termination, (2) any accrued but unpaid Annual Incentive Bonus for any prior fiscal year, (3) any deferred compensation previously awarded to or earned by the Employee (together with any accrued interest or earnings thereon), subject to the terms and conditions of any plan or arrangement providing such deferred compensation, and (4) any compensation for unused vacation time for which the Employee is eligible in accordance with the plans, policies, programs and practices of the Company and its affiliated companies, in each case to the extent not theretofore paid (the sum of the amounts described in clauses (1), (2), (3), and (4) shall be hereinafter referred to as the “Accrued Obligation”);
B.    in a lump sum in cash, within 60 days after the Date of Termination, an amount equal to the Severance Multiplier Percentage (as defined in Exhibit A) multiplied by the Annual Base Salary;
C.    in a lump sum in cash, within 60 days after the Date of Termination, an additional amount equal to the Supplemental Severance 

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Multiplier Percentage (as defined in Exhibit A) of Annual Base Salary multiplied by a fraction, the numerator of which is the number of days in the fiscal year through the Date of Termination and the denominator of which is 365; provided, however, that if the Employee is terminated due to Disability, the preceding fraction shall be deemed to be equal to 1.0; and
D.    effective as of the Date of Termination, (1) immediate vesting and exercisability of, and termination of any restrictions on sale or transfer (other than any such restriction arising by operation of law) with respect to, each and every stock option, restricted stock award, restricted stock unit award and other equity-based award and performance award (each, a “Compensatory Award”) that is outstanding as of a time immediately prior to the Date of Termination and (2) unless a longer post-employment term is provided in the applicable award agreement, the extension of the term during which each and every Compensatory Award may be exercised by the Employee until the earlier of (x) the first anniversary of the Date of Termination or (y) the date upon which the right to exercise any Compensatory Award would have expired if the Employee had continued to be employed by the Company under the terms of this Agreement until the latest possible date of termination of the Employment Period in accordance with the provisions of Section 1 hereof (the “Final Expiration Date”).
Anything in this Agreement to the contrary notwithstanding, if a Change in Control occurs and if the Employee’s employment with the Company is terminated within 12 months prior to the date on which the Change in Control occurs, and if it is reasonably demonstrated by the Employee that such termination of employment or cessation of service (x) was at the request of a third party who has taken steps reasonably calculated to effect the Change in Control or (y) otherwise arose in connection with or anticipation of the Change in Control, then the Employee will be entitled to an additional payment equal to the difference between his Severance Benefits (as defined in the Change in Control Severance Plan) and the benefits received pursuant to this Agreement; provided, however, that the additional Change in Control severance will be paid within 5 days following the occurrence of the Change in Control.
(ii)    for the period beginning on the Date of Termination and ending on the Final Expiration Date, or such longer period as any medical or dental plan shall provide, the Company shall continue benefits to the Employee and/or the Employee’s dependents at least equal to those which would have been provided to them in accordance with the medical and dental plans described in Section 2(b)(iv) of this Agreement if the Employee’s employment had not been terminated in accordance with the medical and dental plans of the Company and its affiliated companies, but with the Company’s medical benefits coverages being secondary to any coverages provided by another employer. Notwithstanding the foregoing, if the Company’s obligations contemplated by this Section 4(a)(ii) would result in the imposition of 

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excise taxes on the Company for failure to comply with the nondiscrimination requirements of the Patient Protection and Affordable Care Act of 2010, as amended, and the Health Care and Education Reconciliation Act of 2010, as amended (to the extent applicable), the Company shall discontinue the health benefits or reimbursements provided for in this Section 4(a)(ii) and shall instead pay to the Employee a lump-sum payment equal to the employer portion of premium costs of medical and dental benefits provided to the Employee and the Employee’s dependents immediately prior to the Employee’s termination for the remainder of such period no later than 30 days after such determination by the Company. In lieu of continued participation in plans, practices, programs and policies described in Section 2(b)(iv) of this Agreement (other than the medical or dental plan, as described above), the Company shall pay the Employee a lump sum payment equal to the Benefits Continuation Multiplier Percentage (as defined in Exhibit A) of the Employee’s Annual Base Salary.
(b)    Death. If the Employee’s employment is terminated by reason of the Employee’s death during the Employment Period, this Agreement shall terminate without further obligations to the Employee’s legal representatives under this Agreement, other than (i) the payment of Accrued Obligations (which shall be paid to the Employee’s estate or beneficiary, as applicable, in a lump sum in cash within 30 days of the Date of Termination), (ii) during the period beginning on the Date of Termination and ending on the first anniversary thereof medical and dental benefits coverage for the Employee’s dependents determined as if the Employee’s employment had not terminated by reason of death, and (iii) effective as of the Date of Termination, (A) immediate vesting and exercisability of, and termination of any restrictions on sale or transfer (other than any such restriction arising by operation of law) with respect to, each and every Compensatory Award outstanding as of the time immediately prior to the Date of Termination, (B) the extension of the term during which each and every Compensatory Award may be exercised or purchased by the Employee until the earlier of (1) the first anniversary of the Date of Termination or (2) the date upon which the right to exercise or purchase any Compensatory Award would have expired if the Employee had continued to be employed by the Company under the terms of this Agreement until the Final Expiration Date.
(c)    With or Without Cause; Other than for Disability. If the Employee’s employment is terminated by the Company or by the Employee for any reason not covered by Sections 4(a) or 4(b) above, then this Agreement shall terminate without further obligations to the Employee other than for Accrued Obligations. In such case, all Accrued Obligations shall be paid to the Employee in a lump sum in cash within 30 days of the Date of Termination.
5.    Non-exclusivity of Rights. Except as provided in Section 4 of this Agreement, nothing in this Agreement shall prevent or limit the Employee’s continuing or future participation in any plan, program, policy or practice provided by the Company or any of its affiliated companies and for which the Employee may qualify, nor shall anything herein limit or otherwise affect such rights as the Employee may have under any contract or agreement with the Company or any of its affiliated companies. Amounts which are vested benefits or which the Employee is otherwise entitled to receive under any plan, policy, practice or program of or any contract or agreement with the 

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Company or any of its affiliated companies at or subsequent to the Date of Termination shall be payable in accordance with such plan, policy, practice or program or contract or agreement except as such plan, policy, practice or program is superseded by this Agreement.
6.    Full Settlement; Resolution of Disputes.
(a)    Any dispute arising out of or relating to this Agreement, including the breach, termination or validity thereof, shall be finally resolved by arbitration in accordance with the CPR Institute for Dispute Resolution Rules for Non-Administered Arbitration in effect on the date of this Agreement by a single arbitrator selected in accordance with the CPR Rules. The arbitration shall be governed by the Federal Arbitration Act, 9 U.S.C. §§ 1-16, and judgment on the award rendered by the arbitrator may be entered by any court having jurisdiction thereof. The place of arbitration shall be in Harris County, Texas. The arbitrator’s decision must be based on the provisions of this Agreement and the relevant facts, and the arbitrator’s reasoned decision and award shall be binding on both parties. Nothing herein is or shall be deemed to preclude the Company’s resort to the injunctive relief prescribed in this Agreement, including any injunctive relief implemented by the arbitrator pursuant to this Section 6(a). The parties will each bear their own attorneys’ fees and costs in connection with any dispute. 
(b)    Notwithstanding any provision of Section 4, the Company’s obligation to pay the amounts due on any termination of employment under Section 4 (other than the Accrued Obligations) are conditioned on the Employee’s execution (without revocation during any applicable statutory revocation period) of a waiver and release of any and all claims against the Company and its affiliates in substantially the form attached hereto as Exhibit B (the “Waiver and Release Agreement”). The Company will provide the Employee with a Waiver and Release Agreement on or before the Employee’s Termination Date. The Employee must execute and return the Waiver and Release Agreement to the Company no later than the 21st or the 45th day following (but not before) his or her Termination Date, as determined by, and reflected in the Waiver and Release Agreement provided to the Employee, by the Company, followed by a seven (7)-day revocation period following the date the Release Agreement is executed (“Revocation Period”). The Employee may not determine the calendar year of payment of taxable severance benefits, and in the event the consideration period occurs in two calendar years, the payment will be made in the later calendar year. The Employee’s failure to timely execute and return the Waiver and Release Agreement in accordance with the previous sentence, or the Employee’s revocation of the Waiver and Release Agreement during the Revocation Period, will result in a forfeiture of the severance benefits payable to the Employee under the terms of the Agreement (but not the Accrued Obligations).
7.    Confidential Information. The Employee shall hold in a fiduciary capacity for the benefit of the Company all secret or confidential information, knowledge or data relating to the Company or any of its affiliated companies, and their respective businesses, which shall have been obtained by the Employee during the Employee’s employment by the Company or any of its affiliated companies and which shall not be or become public knowledge (other than by acts by the Employee or representatives of the Employee in violation of this Agreement) (referred to herein as “Confidential Information”). After termination of the Employee’s employment with the Company, the Employee shall not, without the prior written consent of the Company or as may otherwise be 

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required by law or legal process, communicate or divulge any such information, knowledge or data to anyone other than the Company and those designated by it. In no event shall an asserted violation of the provisions of this Section 7 constitute a basis for deferring or withholding any amounts otherwise payable to the Employee under this Agreement. Also, within 14 days of the termination of the Employee’s employment for any reason, the Employee shall return to Company all documents and other tangible items of or containing Company information which are in the Employee’s possession, custody or control, or with respect to equipment that is not Company property that is in the Employee’s possession, custody or control and which contains Confidential Information, the Employee shall purge such Confidential Information from such equipment. Notwithstanding the foregoing, it is understood by the parties that in the course of his employment with the Company the Employee may retain mental recollections or other impressions as a result of having had access to or knowledge of the Company’s Confidential Information, and the Company agrees that such retained mental impressions shall not impede or restrict the Employee from engaging in work for a subsequent employer so long as Confidential Information is not expressly disclosed to such subsequent employer.
8.    Change in Control.
As used in this Agreement, Change in Control has the meaning set forth in the Change in Control Severance Plan. 
9.    Non-Compete and Non-Solicitation.
(a)    The Employee recognizes that in each of the highly competitive businesses in which the Company is engaged, personal contact is of primary importance in securing new customers and in retaining the accounts and goodwill of present customers and protecting the business of the Company. The Employee, therefore, agrees that during the Employment Period and for a period of one year after the Date of Termination, he will not either within 20 miles of any geographic location of any Shale play with respect to which he has devoted substantial attention to the material business interests of the Company or any of its affiliated companies or with respect to any immediate geologic trends in any non-Shale plays, in either case, in which the Company or any of its affiliated companies have active leases or are actively pursuing leases through direct employee activity or hired brokers as of the Date of Termination, without regard, in either case, to whether the Employee has worked at such location (the “Relevant Geographic Area”), (i) accept employment or render service to any Person that is engaged in a business directly competitive with the business then engaged in by the Company or any of its affiliated companies in the Relevant Geographic Area, (ii) enter into or take part in or lend his name, counsel or assistance to any business, either as proprietor, principal, investor, partner, director, officer, executive, consultant, advisor, agent, independent contractor, or in any other capacity whatsoever, for any purpose that would be competitive with the business of the Company or any of its affiliated companies in the Relevant Geographic Area or (iii) regardless of whether it is in the Relevant Geographic Area, directly or indirectly, either as principal, agent, independent contractor, consultant, director, officer, employee, employer, advisor, stockholder, partner or in any other individual or representative capacity whatsoever, either for his own benefit or for the benefit of any other person or entity either (A) hire, contract or solicit, or attempt any of the foregoing, with respect to hiring any employee of the 

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Company or its affiliated companies, or (B) induce or otherwise counsel, advise or encourage any employee of the Company or its affiliated companies to leave the employment of the Company or its affiliated companies (all of the foregoing activities described in (i), (ii) and (iii) are collectively referred to as the “Prohibited Activity”). Notwithstanding anything contained in this Section 9 to the contrary, the Prohibited Activity shall not be applicable to the state or federal waters of the Gulf of Mexico or outside of the United States except as to the area covered by any U.S. or foreign state or federal oil and gas lease, license or permit in which the Company owns a working interest which was acquired by the Company prior to or during the Employment Period and further limited to the depths in which the Company owns such working or operating rights interest. 
(a)    In addition to all other remedies at law or in equity which the Company may have for breach of a provision of this Section 9 by the Employee, it is agreed that in the event of any breach or attempted or threatened breach of any such provision, the Company shall be entitled, upon application to any court of proper jurisdiction, to a temporary restraining order or preliminary injunction (without the necessity of (i) proving irreparable harm, (ii) establishing that monetary damages are inadequate or (iii) posting any bond with respect thereto) against the Employee prohibiting such breach or attempted or threatened breach by proving only the existence of such breach or attempted or threatened breach. If the provisions of this Section 9 should ever be deemed to exceed the time, geographic or occupational limitations permitted by the applicable law, the Employee and the Company agree that such provisions shall be and are hereby reformed to the maximum time, geographic or occupational limitations permitted by the applicable law.
(b)    The covenants of the Employee set forth in this Section 9 are independent of and severable from every other provision of this Agreement; and the breach of any other provision of this Agreement by the Company or the breach by the Company of any other agreement between the Company and the Employee shall not affect the validity of the provisions of this Section 9 or constitute a defense of the Employee in any suit or action brought by the Company to enforce any of the provisions of this Section 9 or seek any relief for the breach thereof by the Employee.
(c)    The Employee acknowledges, agrees and stipulates that: (i) the terms and provisions of this Agreement are reasonable and constitute an otherwise enforceable agreement to which the terms and provisions of this Section 9 are ancillary or a part of as contemplated by TEX. BUS. & COM. CODE ANN. Sections 15.50-15.52; (ii) the consideration provided by the Company under this Agreement is not illusory; and (iii) the consideration given by the Company under this Agreement, including, without limitation, the provision by the Company of Confidential Information to the Employee as contemplated by Section 7, gives rise to the Company’s interest in restraining and prohibiting the Employee from engaging in the Prohibited Activity within the Relevant Geographic Area as provided under this Section 9, and the Employee’s covenant not to engage in the Prohibited Activity within the Relevant Geographic Area pursuant to this Section 9 is designed to enforce the Employee’s consideration (or return promises), including, without limitation, the Employee’s promise to not disclose Confidential Information under this Agreement.
10.    Successors.
(a)    This Agreement is personal to the Employee and without the prior written consent of the Company shall not be assignable by the Employee otherwise than by will or the laws 

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of descent and distribution. This Agreement shall inure to the benefit of and be enforceable by the Employee’s heirs, executors and other legal representatives.
(b)    This Agreement shall inure to the benefit of and be binding upon the Company and may only be assigned to a successor described in Section 10(c).
(c)    The Company will require any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business and/or assets of the Company to assume expressly and agree to perform this Agreement in the same manner and to the same extent that the Company would be required to perform it if no such succession had taken place. As used in this Agreement, “Company” shall mean the Company as hereinbefore defined and any successor to its business and/or assets as aforesaid which assumes and agrees to perform this Agreement by operation of law, or otherwise.
11.    Section 409A. 
(a)    This Agreement is intended to provide payments that are exempt from or compliant with the provisions of Section 409A of the Code and related regulations and Treasury pronouncements (“Section 409A”), and the Agreement shall be interpreted accordingly. Notwithstanding any provision of this Agreement to the contrary, the parties agree that any benefit or benefits under this Agreement that the Company determines are subject to the suspension period under Code Section 409A(a)(2)(B) shall not be paid or commence until a date following six months after the Employee’s termination date, or if earlier, the Employee’s death.
(b)    Each payment under this Agreement is intended to be excepted from Section 409A, including, but not limited to, by compliance with the short-term deferral exception as specified in Treasury Regulation § 1.409A-1(b)(4) and the involuntary separation pay exception within the meaning of Treasury Regulation § 1.409A-1(b)(9)(iii) and the provisions of this Agreement will be administered, interpreted and construed accordingly (or disregarded to the extent such provision cannot be so administered, interpreted, or construed).
(c)    All reimbursements or provision of in-kind benefits pursuant to this Agreement shall be made in accordance with Treasury Regulation § 1.409A-3(i)(1)(iv) such that the reimbursement or provision will be deemed payable at a specified time or on a fixed schedule relative to a permissible payment event. Specifically, the amount reimbursed or in-kind benefits provided under this Agreement during the Employee’s taxable year may not affect the amounts reimbursed or provided in any other taxable year (except that total reimbursements may be limited by a lifetime maximum under a group health plan), the reimbursement of an eligible expense shall be made on or before the last day of the Employee’s taxable year following the taxable year in which the expense was incurred, and the right to reimbursement or provision of in-kind benefit is not subject to liquidation or exchange for another benefit.
(d)    Notwithstanding any provision of this Agreement to the contrary, the Employee acknowledges and agrees that the Company and its employees, officers, directors, affiliates and subsidiaries shall not be liable for, and nothing provided or contained in this Agreement will be construed to obligate or cause the Company and/or its employees, officers, directors, affiliates 

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and subsidiaries to be liable for, any tax, interest or penalties imposed on the Employee related to or arising with respect to any violation of Section 409A.
12.    Miscellaneous.
(a)    This Agreement shall be governed by and construed in accordance with the laws of the State of Texas, without reference to principles of conflict of laws that would require the application of the laws of any other state or jurisdiction.
(b)    The captions of this Agreement are not part of the provisions hereof and shall have no force or effect.
(c)    This Agreement may not be amended or modified otherwise than by a written agreement executed by the parties hereto or their respective successors and heirs, executors and other legal representatives. As applied to the Employee, the Change in Control Severance Plan may not be amended in any manner that is adverse to the Employee without his written consent.
(d)    All notices and other communications hereunder shall be in writing and shall be given, if by the Employee to the Company, by telecopy or facsimile transmission at the telecommunications number set forth below and, if by either the Company or the Employee, either by hand delivery to the other party or by registered or certified mail, return receipt requested, postage prepaid, addressed as follows:
If to the Employee:
Name: Gregory F. Conaway
c/o Carrizo Oil & Gas, Inc.
500 Dallas, Suite 2300
Houston, Texas 77002
                
If to the Company:
Carrizo Oil & Gas, Inc.
500 Dallas, Suite 2300
Houston, Texas 77002
Fax Number: (713) 358-6286
Telephone Number: (713) 328-1000
Attention: Corporate Secretary
or to such other address as either party shall have furnished to the other in writing in accordance herewith. Notice and communications shall be effective when actually received by the addressee.
(e)    The invalidity or unenforceability of any provision of this Agreement shall not affect the validity or enforceability of any other provision of this Agreement.

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(f)    Except as otherwise provided herein, the Company may withhold from any amounts payable under this Agreement such federal, state or local taxes as shall be required to be withheld pursuant to any applicable law or regulation.
(g)    The Employee’s or the Company’s failure to insist upon strict compliance with any provision hereof or any other provision of this Agreement or the failure to assert any right the Employee or the Company may have hereunder shall not be deemed to be a waiver of such provision or right or any other provision or right of this Agreement.
(h)    Except as provided below and as otherwise specifically contemplated by this Agreement, this Agreement constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes any and all prior written or oral agreements, arrangements or understandings between the Company and the Employee. Contemporaneously with this Agreement, the Employee shall become a participant in the Change in Control Severance Plan, which provides additional benefits in connection with certain terminations of employment following a Change in Control. The Employee shall not be entitled to receive both the compensation and benefits provided by this Agreement and the Change in Control Severance Plan, and following the occurrence of a Change in Control, the provisions of the Change in Control Plan shall control, except where Sections 4 and 6 of this Agreement specifically provide additional rights to the Employee in connection with the Change in Control Severance Plan, or where this Agreement would result in a greater benefit to the Employee than otherwise provided in the Change in Control Severance Plan. If the Employee is terminated under circumstances that do not entitle him to the compensation and benefits provided by the Change in Control Severance Plan, the Employee shall be paid the compensation and benefits provided by the applicable part of Section 4.
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IN WITNESS WHEREOF, the Employee has hereunto set his hand and the Company has caused these presents to be executed in its name on its behalf, all to be effective as of the Agreement Effective Date.

CARRIZO OIL & GAS, INC.

By:     /s/ David L. Pitts        _______
Name: David L. Pitts                
Title: Vice President and Chief Financial Officer

EMPLOYEE

/s/ Gregory F. Conaway            
Name: Gregory F. Conaway

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Exhibit A

For purposes of this Agreement, the following capitalized words shall have the meanings indicated below:

“Benefits Continuation Multiplier Percentage” means 3%.

“Severance Multiplier Percentage” means 97%.

“Supplemental Severance Multiplier Percentage” means 70%.

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Exhibit B

FORM OF WAIVER AND RELEASE
In consideration of, and as a condition precedent to, the severance payment and benefits (the “Severance”) described in that certain Amended and Restated Employment Agreement (the “Agreement”) effective as of February 14, 2019 between Carrizo Oil & Gas, Inc., a Texas Corporation (the “Company”), and _____________ (“Employee”), which Severance is offered to Employee in exchange for a general waiver and release of claims (this “Waiver and Release”). Employee having acknowledged the above-stated consideration as full compensation for and on account of any and all injuries and damages which Employee has sustained or claimed, or may be entitled to claim, Employee, for himself, and his heirs, executors, administrators, successors and assigns, does hereby release, forever discharge and promise not to sue the Company, its parents, subsidiaries, affiliates, successors and assigns, and their past and present officers, directors, partners, employees, members, managers, shareholders, agents, attorneys, accountants, insurers, heirs, administrators, executors, as well as all employee benefit plans maintained by any of the foregoing entities or individuals, and all fiduciaries and administrators of such plans, in their personal and representative capacities (collectively the “Released Parties”) from any and all claims, liabilities, costs, expenses, judgments, attorney fees, actions, known and unknown, of every kind and nature whatsoever in law or equity, which Employee had, now has, or may have against the Released Parties relating in any way to Employee’s employment with the Company or termination thereof prior to and including the date of execution of this Waiver and Release, including but not limited to, all claims for contract damages, tort damages, special, general, direct, punitive and consequential damages, compensatory damages, loss of profits, attorney fees and any and all other damages of any kind or nature; all contracts, oral or written, between Employee and any of the Released Parties; any business enterprise or proposed enterprise contemplated by any of the Released Parties, as well as anything done or not done prior to and including the date of execution of this Waiver and Release. 
Employee understands and agrees that this release and covenant not to sue shall apply to any and all claims or liabilities arising out of or relating to Employee’s employment with the Company and the termination of such employment, including, but not limited to: claims of discrimination based on age, race, color, sex (including sexual harassment), religion, national origin, marital status, parental status, veteran status, union activities, disability or any other grounds under applicable federal, state or local law prior to and including the date of execution of this Waiver and Release, including, but not limited to, claims arising under the Age Discrimination in Employment Act of 1967, the Americans with Disabilities Act, the Family and Medical Leave Act, Title VII of the Civil Rights Act, the Civil Rights Act of 1991, 42 U.S.C. § 1981, the Genetic Information Non-Discrimination Act of 2008, the Employee Retirement Income Security Act of 1974, the Consolidated Omnibus Budget Reconciliation Act of 1985, the Rehabilitation Act of 1973, the Equal Pay Act of 1963 (EPA), all as amended, as well as any claims prior to and including the date of execution of this Waiver and Release, regarding wages; benefits; vacation; sick leave; business expense reimbursements; wrongful termination; breach of the covenant of good faith and fair dealing; intentional or negligent infliction of emotional distress; retaliation; outrage; defamation; invasion of privacy; breach of contract; fraud or negligent misrepresentation; harassment; breach 

15

of duty; negligence; discrimination; claims under any employment, contract or tort laws; claims arising under any other federal law, state law, municipal law, local law, or common law; any claims arising out of any employment contract, policy or procedure; and any other claims related to or arising out of his employment or the separation of his employment with the Company prior to and including the date of execution of this Waiver and Release.
In addition, Employee agrees not to cause or encourage any legal proceeding to be maintained or instituted against any of the Released Parties, save and except proceedings to enforce the terms of the Agreement or claims of Employee not released by and in this Waiver and Release.
Notwithstanding anything to the contrary contained in this Waiver and Release, nothing in this Waiver and Release shall be construed to release the Company from (i) any obligations set forth in the Agreement, (ii) claims that relate to events that arise after the execution of this Waiver and Release, or (iii) any claim or right held by Employee (whether as an employee, officer, director, stockholder or in any other capacity) for coverage under the Company’s or any affiliate’s D&O policies or any similar coverage or protection provided under the organizational documents of the Company or any affiliate. This release does not apply to any claims for unemployment compensation or any other claims or rights which, by law, cannot be waived, including the right to file an administrative charge or participate in an administrative investigation or proceeding; provided, however, that Employee disclaims and waives any right to share or participate in any monetary award from the Company resulting from the prosecution of such charge or investigation or proceeding. Notwithstanding the foregoing or any other provision in this Waiver and Release or the Agreement to the contrary, the Company and Employee further agree that nothing in this Waiver and Release or the Agreement (i) limits Employee’s ability to file a charge or complaint with the EEOC, the NLRB, OSHA, the SEC or any other federal, state or local governmental agency or commission (each a “Government Agency” and collectively “Government Agencies”); (ii) limits Employee’s ability to communicate with any Government Agencies or otherwise participate in any investigation or proceeding that may be conducted by any Government Agency, including providing documents or other information and reporting possible violations of law or regulation or other disclosures protected under the whistleblower provisions of applicable law or regulation, without notice to the Company; or (iii) limits Employee’s right to receive an award for information provided to any Government Agencies.
Employee expressly acknowledges that he is voluntarily, irrevocably and unconditionally releasing and forever discharging the Company and the other Released Parties from all rights or claims he has or may have against the Released Parties, including, but not limited to, without limitation, all charges, claims of money, demands, rights, and causes of action arising under the Age Discrimination in Employment Act of 1967, as amended (“ADEA”), up to and including the date Employee signs this Waiver and Release including, but not limited to, all claims of age discrimination in employment and all claims of retaliation in violation of ADEA. Employee further acknowledges that the consideration given for this waiver of claims under the ADEA is in addition to anything of value to which he was already entitled in the absence of this waiver. Employee further acknowledges: (a) that he has been informed by this writing that he should consult with an attorney prior to executing this Waiver and Release; (b) that he has carefully read and fully understands all of the provisions of this Waiver and Release; (c) he is, through this Waiver and Release, releasing 

16

the Company and the other Released Parties from any and all claims he may have against any of them; (d) he understands and agrees that this waiver and release does not apply to any claims that may arise under the ADEA after the date he executes this Waiver and Release; (e) he has at least [twenty-one (21)] [forty-five (45)] days within which to consider this Waiver and Release; and (f) he has seven (7) days following his execution of this Waiver and Release to revoke the Waiver and Release; and (g) this Waiver and Release shall not be effective until the revocation period has expired and Employee has signed and has not revoked the Waiver and Release.
Employee acknowledges and agrees that: (a) he has had reasonable and sufficient time to read and review this Waiver and Release and that he has, in fact, read and reviewed this Waiver and Release; (b) that he has the right to consult with legal counsel regarding this Waiver and Release and is encouraged to consult with legal counsel with regard to this Waiver and Release; (c) that he has had (or has had the opportunity to take) [twenty-one (21)] [forty-five (45)] calendar days to discuss the Waiver and Release with a lawyer of his choice before signing it and, if he signs before the end of that period, he does so of his own free will and with the full knowledge that he could have taken the full period; (d) that he is entering into this Waiver and Release freely and voluntarily and not as a result of any coercion, duress or undue influence; (e) that he is not relying upon any oral representations made to him regarding the subject matter of this Waiver and Release; (f) that by this Waiver and Release he is receiving consideration in addition to that which he was already entitled; and (g) that he has received all information he requires from the Company in order to make a knowing and voluntary release and waiver of all claims against the Company and the other Released Parties.
Employee acknowledges and agrees that he has seven (7) days after the date he signs this Waiver and Release in which to rescind or revoke this Waiver and Release by providing notice in writing to the Company. Employee further understands that the Waiver and Release will have no force and effect until the end of that seventh day (the “Waiver Effective Date”). If Employee revokes the Waiver and Release, the Company will not be obligated to pay or provide Employee with the benefits described in this Waiver and Release, and this Waiver and Release shall be deemed null and void.
AGREED TO AND ACCEPTED this ____ day of ________________, 20__.

                    
[Name]

17Exhibit

Exhibit 10.18

AEGION CORPORATION
AMENDED CHANGE IN CONTROL SEVERANCE AGREEMENT

THIS AMENDED CHANGE IN CONTROL SEVERANCE AGREEMENT is made, entered into, and is effective this 11th day of December 2018 (hereinafter referred to as the “Effective Date”), by and between Aegion Corporation (the “Company”), a Delaware corporation, and Stephen P. Callahan (the “Officer”), and fully replaces and supersedes any prior change in control severance agreement entered into between the Company and the Officer. 
WHEREAS, the Officer is employed by the Company (as defined in Article 1) and has and will develop considerable experience and knowledge of the business and affairs of the Company concerning its policies, methods, personnel, and operations; and
WHEREAS, the Company is desirous of assuring insofar as possible, that it will continue to have the benefit of the Officer’s services, and the Officer is desirous of having such assurances; and
WHEREAS, the Company recognizes that circumstances may arise in which a Change in Control (as defined in Article 1) of the Company occurs, through acquisition or otherwise, thereby causing uncertainty of employment without regard to the Officer’s competence or past contributions. Such uncertainty may result in the loss of the valuable services of the Officer to the detriment of the Company and its stockholders; and
WHEREAS, both the Company and the Officer are desirous that any proposal for a Change in Control will be executed by the Officer objectively and with reference only to the business interests of the Company and its stockholders; and
WHEREAS, the Officer will be in a better position to consider the Company’s best interests if the Officer is afforded reasonable security, as provided in this Agreement, against altered conditions of employment which could result from any such Change in Control.
NOW, THEREFORE, in consideration of the foregoing and of the mutual covenants and agreements of the parties set forth in this Agreement, and of other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto, intending to be legally bound, agree as follows:

Article 1. Definitions

Wherever used in this Agreement, the following terms shall have the meanings set forth below and, when the meaning is intended, the initial letter of the word is capitalized:

		
	(a)
	“Agreement” means this Officer Change in Control Severance Agreement, as it may be amended from time to time.

		
	(b)
	“Base Salary” means, at any time, the then regular annual rate of pay which the Officer is receiving as annual salary, excluding amounts: (i) received under short-term or long-term incentive or other bonus plans, regardless of whether or not the amounts are deferred, or (ii) designated by the Company as payment toward reimbursement of expenses.

		
	(c)
	“Beneficial Owner” shall have the meaning ascribed to such term in Rule 13d-3 of the General Rules and Regulations under the Exchange Act.

		
	(d)
	“Board” means the Board of Directors of the Company.

		
	(e)
	“Cause” shall be determined solely by the Board in the exercise of good faith and reasonable judgment, and shall mean the occurrence of any one or more of the following:

		
	(i)
	breaching any employment, confidentiality, noncompete, nonsolicitation or other agreement with the Company, any written Company policy relating to compliance with laws (during employment); or

		
	(ii)
	causing, inducing, requesting or advising, or attempting to cause, induce, request or advise, any employee, representative, consultant or other similar person to terminate his/her relationship, or breach any agreement, with the Company; or

		
	(iii)
	causing, inducing, requesting or advising, or attempting to cause, induce, request or advise, any customer, supplier or other Company business contact to withdraw, curtail or cancel its business with the Company; or 

		
	(iv)
	the Officer’s willful and continued failure to substantially perform the Officer’s duties with the Company (other than any such failure resulting from the Officer’s Disability), after a written demand for substantial performance is delivered to the Officer that specifically identifies the manner in which the Board believes that the Officer has not substantially performed his duties, and the Officer has failed to remedy the situation within fifteen (15) business days of such written notice from the Company; or 

		
	(v)
	the Officer’s conviction of a felony; or

 
		
	(vi)
	the Officer’s willful engagement in conduct that is demonstrably and materially injurious to the Company, monetarily or otherwise.  Under this standard, no act or failure to act on the Officer’s part shall be deemed “willful” unless done, or omitted to be done, by the Officer not in good faith and without reasonable belief that the action or omission was in the best interests of the Company.

		
	(f)
	“Change in Control” of the Company shall mean the occurrence of any one (1) or more of the following events:

		
	(i)
	the acquisition by one person, or more than one person acting as a group, in a transaction or series of related transactions, of ownership of stock of the Company that, together with stock held by such person or group, constitutes more than 30% of the total fair market value or total voting power of the stock of the Company; and/or

		
	(ii)
	a majority of the members of the Company’s board of directors is replaced during any twelve-month period by directors whose appointment or election is not endorsed by a majority of the members of the Company’s board of directors before the date of the appointment or election; and/or

		
	(iii)
	the consummation of a merger or consolidation of the Company other than a merger or consolidation that would result in the voting securities of the Company outstanding immediately prior to the transaction 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 securities of the Company or such surviving entity or any parent thereof outstanding immediately after such merger or consolidation; and/or

		
	(iv)
	the stockholders of the Company approve a plan of complete liquidation or dissolution of the Company or there is a consummated sale or disposition by the Company of all or substantially all of the Company’s assets, other than a sale or disposition by the Company of all or substantially all of the Company’s assets to an entity, at least 50% of the combined voting power of the voting securities of which are owned by stockholders of the Company in substantially the same proportions as their ownership of the Company immediately prior to such sale. 

For purposes hereof, “person” shall mean any person, entity or “group” within the meaning of Section 13(d)(3) of the Exchange Act, except that such term shall not include (i) the Company or any of its affiliates; (ii) a trustee or other fiduciary holding securities under an employee benefit plan of the Company or any of its affiliates, (iii) an underwriter temporarily holding securities pursuant to an offering of such securities, (iv) a corporation owned, directly or indirectly, by the shareholders of the Company in substantially the same proportion as their ownership of stock of the Company, or (v) a person or group as used in Rule 13d-1(b) under the Exchange Act.

		
	(g)
	“Code” means the Internal Revenue Code of 1986, as amended.

		
	(h)
	“Committee” means the Compensation Committee of the Board of Directors of the Company, or, if no Compensation Committee exists, then the full Board of Directors of the Company, or a committee of Board members, as appointed by the full Board to administer this Agreement.

		
	(i)
	“Company” means Aegion Corporation, a Delaware corporation (including any and all subsidiaries and affiliates), or any successor thereto as provided in Section 8.1 herein.

		
	(j)
	“Disability” or “Disabled” shall mean that the Officer is, by reason of any medically determinable physical or mental impairment that can be expected to result in death or can be expected to last for a continuous period of not less than 12 months, receiving income replacement benefits for a period of not less than three months under an accident and health plan covering employees of the Company.  

		
	(k)
	“Effective Date” means the date this Agreement is approved by the Committee, or such other date as the Committee shall designate in its resolution approving this Agreement, and as specified in the opening sentence of this Agreement.

		
	(l)
	“Effective Date of Termination” means the date on which a Qualifying Termination occurs, as provided in Section 2.2 herein, which triggers the payment of Severance Benefits hereunder.

		
	(m)
	“Exchange Act” means the Securities Exchange Act of 1934, as amended.

		
	(n)
	“Good Reason” means, without the Officer’s express written consent, the occurrence after a Change in Control of the Company of any one (1) or more of the following:

		
	(i)
	a material reduction or alteration in the nature or status of the Officer’s authorities, duties, or responsibilities from those in effect as of 90 calendar days prior to the Change in Control, other than an insubstantial and inadvertent act that is remedied by the Company or the acquiring company promptly after receipt of notice thereof given by the Officer;

		
	(ii)
	the Company’s or the acquiring company’s requiring the Officer to be based at a location in excess of 50 miles from the location of the Officer’s principal job location or office in effect as of 90 calendar days prior to the Change in Control, except for required travel on the Company’s business to an extent substantially consistent with the Officer’s then present business travel obligations; 

		
	(iii)
	a reduction by the Company or the acquiring company of the Officer’s base salary in effect as of 90 calendar days prior to the Change in Control that is greater than the lesser of: (A) ten percent (10%) of such base salary; and (B) the average percentage reduction applicable to all other Officers of the Company;

		
	(iv)
	the failure of the Company or the acquiring company to continue in effect any of the Company’s short- and long-term incentive compensation plans, or employee benefit or retirement plans, policies, practices, or other compensation arrangements in which the Officer participates taken as a whole unless such failure to continue the plan, policy, practice, or arrangement pertains to all plan participants generally; or the failure by the Company or the acquiring company to continue the Officer’s participation therein on substantially the same basis, both in terms of the amount of benefits provided and the level of the Officer’s participation relative to other participants, as existed 90 calendar days prior to the Change in Control;

		
	(v)
	the failure of the Company to obtain a satisfactory agreement from any successor to the Company to assume and agree to perform the Company’s obligations under this Agreement, as contemplated in Section 8.1 herein; and

		
	(vi)
	a material breach of this Agreement by the Company which is not remedied by the Company within thirty (30) business days of receipt of written notice of such breach delivered by the Officer to the Company.

		
	(r)
	“Qualifying Termination” means the Officer’s separation from service (as defined in Section 409A of the Code and the applicable regulations) with the Company due to any of the events described in Section 2.2 herein, the occurrence of which triggers the payment of Severance Benefits hereunder.

		
	(s)
	“Severance Benefits” means the payment of amounts and benefits upon the Officer’s separation from service (as defined in Section 409A of the Code and applicable regulations) as provided in Section 2.3 herein.

Article 2. Severance Benefits

2.1    Right to Severance Benefits. The Officer shall be entitled to receive from the Company Severance Benefits as described in Section 2.3 herein, if there has been a Change in Control of the Company and, if within twenty-four (24) calendar months thereafter the Officer’s employment with the Company shall end for any reason specified in Section 2.2 herein as being a Qualifying Termination.
The Officer shall not be entitled to receive Severance Benefits if the Officer is terminated for Cause, or if the Officer’s employment with the Company ends due to death, Disability, or a voluntary termination of employment by the Officer for reasons other than Good Reason.
The Officer shall not be entitled to receive severance benefits under any other Company-related plans or programs that are duplicative of the Severance Benefits payable under this Agreement, if additional benefits are triggered under such other Company-related plans or programs.
2.2    Qualifying Termination. The separation from service (as defined in Section 409A of the Code and applicable regulations) of the Officer with the Company within twenty-four (24) calendar months after a Change in Control of the Company shall constitute a Qualifying Termination and shall trigger the payment of Severance Benefits to the Officer under this Agreement under the following circumstances:
		
	(a)
	A lump-sum amount equal to the Officer’s accrued but unpaid Base Salary, accrued vacation pay, unreimbursed business expenses, and all other items earned by and owed to the Officer through and including the Effective Date of Termination.

		
	(b)
	A lump-sum amount: (i) if the Effective Date of Termination is between January 1 and June 30, equal to the Officer’s then current annual target bonus opportunity; or (ii) if the Effective Date of Termination is between July 1 and December 31, equal to the greater of (A) the Officer’s then current annual target bonus opportunity or (B) the actual annual bonus payable to the Officer based on the Company’s performance up to and including the Effective Date of Termination, as such target and actual amounts are established or computed under the annual bonus plan in which the Officer is then participating, for the bonus plan year in which the Officer’s Effective Date of Termination occurs, and multiplied by a fraction the numerator of which is the number of days in the year from January 1 through the Effective Date of Termination, and the denominator of which is three hundred sixty-five (365).  This payment will be in lieu of any other payment to be made to the Officer under the annual bonus plan in which the Officer is then participating for the plan year in which the Effective Date of Termination occurs.

		
	(c)
	A lump-sum amount equal to 1.99 multiplied by the sum of the following: (i) the higher of: (A) the Officer’s annual rate of Base Salary in effect upon the Effective Date of Termination, or (B) the Officer’s annual rate of Base Salary in effect on the date of the Change in Control; and (ii) the higher of: (A) the Officer’s annual target bonus opportunity established under the annual bonus plan in which the Officer is then participating for the bonus plan year in which the Officer’s Effective Date of Termination occurs, or (B) the Officer’s annual target bonus opportunity established under the annual bonus plan in which the Officer is participating for the bonus plan year in which the Change in Control occurs. 

		
	(d)
	Continuation for twenty-four (24) months of the Officer’s health, dental and vision insurance coverage.  The benefit shall be provided by the Company to the Officer beginning immediately upon the Effective Date of Termination.  Such benefit shall be provided to the Officer at the same coverage level as in effect immediately prior to the Change in Control and the Company (or the acquirer as the case may be) shall pay the amounts that the Company would have been required to pay for health, dental and vision benefits for Officer and Officer’s eligible family members had Officer remained an employee of the Company following the Effective Date of Termination (Officer shall be responsible for the portion of health, dental and vision premiums that would be paid by an employee of the Company receiving comparable benefits).  Any COBRA health benefit continuation coverage provided to Officer shall run concurrently with the aforementioned twenty-four (24) month period.

The value of such health insurance coverage shall be treated as taxable income to Officer to the extent necessary to comply with Sections 105(h) and 409A of the Code. For purposes of 409A of the Code, any payments of continued health benefits that are made during the applicable COBRA continuation period 

(even if the Officer does not actually receive COBRA coverage for the entire applicable period), are exempt from the requirements of Code Section 409A pursuant to Treasury Regulation Section 1.409A-1(b)(9)(v)(B).  The right to continue coverage beyond the applicable COBRA continuation period is not subject to liquidation or exchange for another benefit. Notwithstanding the above, this health insurance benefit shall be discontinued prior to the end of the stated continuation period in the event the Officer receives a substantially similar benefit from a subsequent employer, as determined solely by the Committee in good faith. For purposes of enforcing this offset provision, the Officer shall be deemed to have a duty to keep the Company informed as to the terms and conditions of any subsequent employment and any corresponding benefit earned from such employment, and shall provide, or cause to provide, to the Company in writing correct, complete, and timely information concerning the same.
		
	(e)
	The Company agrees to pay on the Officer’s behalf up to $15,000 in Officer outplacement services to one or more firms chosen by Officer and acceptable to the Company, provided that such services are incurred no later the first anniversary of the Officer’s Effective Date of Termination.  Such expenses shall be reimbursed by the Company as soon as practical after an expense report is completed and submitted to the Company for approval, provided such expense report must be received by the Company no later than the second anniversary of the Officer’s Effective Date of Termination.    

2.4    Termination for Total and Permanent Disability. Following a Change in Control, if the Officer has a separation from service (as defined in Section 409A of the Code and the applicable regulations) with the Company due to Disability, the Officer’s benefits shall be determined in accordance with the Company’s retirement, insurance, and other applicable plans and programs relating to Disability then in effect. 
2.5    Termination for Death. Following a Change in Control, if the Officer has a separation from service (as defined in Section 409A of the Code and the applicable regulations) with the Company due to the Officer’s death, the Officer’s benefits shall be determined in accordance with the Company’s retirement, survivor’s benefits, insurance, and other applicable programs relating to an employee’s death then in effect.
2.6    Termination for Cause or by the Officer Other Than for Good Reason. Following a Change in Control, if the Officer has a separation from service (as defined in Section 409A of the Code and the applicable regulations) with the Company either due to: (i) termination by the Company for Cause; or (ii) voluntary termination by the Officer for reasons other than for Good Reason, the Company shall pay the Officer the Officer’s accrued by unpaid Base Salary at the rate then in effect, accrued vacation, and other items earned by and owed to the Officer through the Officer’s separation from service, plus all other amounts to which the Officer is entitled under any compensation plans of the Company at the time such payments are due, and the Company shall have no further obligations to the Officer under this Agreement.
2.7    Notice of Termination. Any termination of the Officer’s employment by the Company for Cause or by the Officer for Good Reason shall be communicated by Notice of Termination to the other party.

Article 3. Terms and Conditions for Payment of Severance Benefits; Alternative Payments in Event of Excise Tax
3.1    Form and Timing of Severance Benefits. The Severance Benefits described in Sections 2.3(a), 2.3(b), and 2.3(c) herein shall be paid in cash to the Officer in a single lump sum as soon as practicable following the Effective Date of Termination.  
3.2    Internal Revenue Code Section 409A. This Agreement is intended to comply with the American Jobs Creation Act of 2004, Code Section 409A, and related guidance. 

		
	(a)
	Notwithstanding anything to the contrary set forth in this Agreement, any Severance Benefits paid (i) within 2-1⁄2 months of the end of the Company’s taxable year containing the Officer’s separation from service with the Company, or (ii) within 2-1⁄2 months of the Officer’s taxable year containing the separation from service from employment by the Company shall be exempt from the requirements of Section 409A of the Code, and shall be paid in accordance with this Article 3.  Severance Benefits subject to this Section 3.2(a) shall be treated and shall be deemed to be an entitlement to a separate payment within the meaning of Section 409A of the Code and the regulations thereunder.  

		
	(b)
	To the extent Severance Benefits are not exempt from Section 409A under Section 3.2(a) above, any Severance Benefits paid in the first six (6) months following the Officer’s separation from service with the Company that are equal to or less than the lesser of the amounts described in Treasury Regulation Section 1.409A-1(b)(9)(iii)(A)(1) and (2) shall be exempt from Section 409A and shall be paid in accordance with this Article 3.  Severance Benefits subject to this Section 3.2(b) shall be treated and shall be deemed to be an entitlement to a separate payment within the meaning of Section 409A of the Code and the regulations thereunder.

		
	(c)
	To the extent Severance Benefits are not exempt from Section 409A under Sections 3.2(a) or (b) above, any Severance Benefits paid equal to or less than the applicable dollar amount under Section 402(g)(1)(B) of the Code for the year of separation from service with the Company shall be exempt from Section 409A in accordance with Treasury Regulation Section 1.409A-1(b)(9)(v)(D) and shall be paid in accordance with this Article 3.  Severance Benefits subject to this Section 3.2(c) shall be treated and shall be deemed to be an entitlement to a separate payment within the meaning of Section 409A of the Code and the regulations thereunder.

		
	(d)
	To the extent Severance Benefits are not exempt from Section 409A pursuant to Sections 3.2(a), (b) or (c) above, and to the extent the Officer is a “specified employee” (as defined below), payments due to the Officer under Section 3 shall begin no sooner than six (6) months after the Officer’s separation from service with the Company (other than for death); provided, however, that any payments not made during the six (6) month period described in this Section 3.2(d) due to the six (6) month delay period required under Treasury Regulation Section 1.409A-3(i)(2) shall be made in a single lump sum as soon as administratively practicable after the expiration of such six (6) month period and the balance of all other payments required under this Agreement shall be made as otherwise scheduled in this Agreement. Notwithstanding anything herein to the contrary, and subject to Code Section 409A, to the extent the following rules should apply to the Officer in connection with a payment made hereunder, such payment shall not be made or commence as a result of the Officer’s Effective Date of Termination if the Officer is a key employee (as set forth below) before the date that is not less than six (6) months after the Officer’s Effective Date of Termination.  For this purpose, a key employee includes a “specified employee” (as defined in Code Section 409A(a)(2)(B)) during the entire twelve (12) month period determined by the Company ending with the annual date upon which key employees are identified by the Company, and also includes any Officer identified by the Company in good faith with respect to any distribution as belonging to the group of identified key employees, to a maximum of 200 such key employees, regardless of whether such Officer is subsequently determined by the Company, any governmental agency, or a court not to be a key employee.  The identification date for determining key employees shall be each December 31 (and the new key employee list shall be updated and effective each subsequent April 1).

		
	(e)
	For purposes of this Agreement, the term “specified employee” shall have the meaning set forth in Treasury Reg. Section 1.409A-1(i).  The determination of whether the Officer is a “specified employee” shall be made by the Company in good faith applying the applicable Treasury regulations.

3.3    Best Net Determination in Event of Total Payments Exceeding Excise Tax Limits.  In the event that the vesting of Severance Benefits along with all other payments and the value of any benefits received or to be received by the Officer (including the acceleration of vesting or exercisability of any equity- or cash-based long-term incentive awards) (the “Total Payments”) would result in all or a portion of such Total Payments being subject to the excise tax under Section 4999 of the Code (the “Excise Tax”), then the Officer’s Total Payments shall be either: (i) the full amount of such Total Payments, or (ii) such lesser amount that would result in no portion of the Total Payments being subject to excise tax under Section 4999 of the Code; whichever of the foregoing alternatives, taking into account the applicable federal, state and local employment taxes, income taxes and the Excise Tax, results in the receipt by the Officer, on an after-tax basis, of the largest value of payments and benefits notwithstanding that all or some portion of the payments and benefits may be subject to the Excise Tax under Section 4999 of the Code.  Solely to the extent that the Officer is placed in a better after-tax position as a result of the reduction of the Total Payments, such benefits shall be reduced or eliminated, as determined by the Company, in the following order:  (i) any cash payments, (ii) any taxable benefits, (iii) any nontaxable benefits, and (iv) any vesting or accelerated delivery of equity awards in each case in reverse order beginning with the payments or benefits that are to be paid the farthest in time from the date that triggers the applicable Excise Tax.
All determinations required to be made under this Section 3.3 shall be made by PricewaterhouseCoopers LLP, or any other nationally recognized outside auditor immediately prior to the event triggering the payments that are subject to the Excise Tax (the “Accounting Firm”).  The Company shall cause the Accounting Firm to provide detailed supporting 

calculations of its determinations to the Company and the Officer.  All fees and expenses of the Accounting Firm in making the determinations required to be made under this Section 3.3 shall be borne solely by the Company.  The Accounting Firm’s determinations must be made with substantial authority (within the meaning of Section 6662 of the Code).  For purposes of all calculations under Section 280G of the Code and the application of this Section 3.3, all determinations as to present value shall be made using 120 percent of the applicable federal rate (determined under Section 1274(d) of the Code) compounded semiannually, as in effect of the date of the Change in Control of the Company. 
3.4    Withholding of Taxes. The Company shall withhold from any amounts payable under this Agreement all federal, state, city, or other taxes as legally shall be required.
3.5    Conditions to Payment of Severance Benefits.  Within 45 days after the Officer’s Effective Date of Termination, to be eligible to receive (and continue to receive) and retain the payments and benefits described in Sections 2.3 (b), (c), (d) and (e), the Officer must comply with the terms of Article 4, and must execute and deliver to the Company (without subsequent revocation) a mutually acceptable agreement, in form and substance reasonably satisfactory to both the Officer and the Company, effectively releasing and giving up all claims the Officer may have against the Company and its subsidiaries, stockholders, successors and affiliates (and each of their respective employees, officers, plans and agents) arising out of or based upon any facts or conduct occurring prior to that date with the exception of (i) all payment of Severance Benefits, vested stock, deferred compensation and other benefits provided under the terms of this Agreement, (ii) the Officer’s right to continued indemnification to the fullest extent provided under the Company By-laws by reason of any act or omission performed or omitted by the Officer during the Officer’s employment, and (iii) the Officer’s rights to enforce the terms of this Agreement and sue for its breach. Such agreement will also require the Officer to reaffirm and agree to comply with the terms of this Agreement and any other agreement signed by the Officer in favor of the Company or any of its subsidiaries or affiliates that is still in effect.  To the extent that any severance benefits described in Section 2.3(b) or (c) are not exempt from Section 409A of the Code, payment of such benefit shall not be made until the 60th day following the Officer’s Effective Date of Termination.
Article 4. Noncompetition and Confidentiality
In the event of a Change in Control, the following shall apply:
4.1    Noncompetition. During the term of this Agreement and, if longer, for a period of twenty-four (24) months after the Effective Date of Termination, the Officer shall not: (i) directly or indirectly act in concert or conspire with any person employed by the Company in order to engage in or prepare to engage in or to have a financial or other interest in any business or any activity which the Officer knows (or reasonably should have known) to be directly competitive with any business of the Company as then being carried on, or (ii) serve as an employee, agent, partner, stockholder, director or consultant for, or in any other capacity participate, engage, or have a financial or other interest in any business or any activity which the Officer knows (or reasonably should have known) to be directly competitive with the business of the Company as then being carried on (provided, however, that notwithstanding anything to the contrary contained in this Agreement, the Officer may own up to two percent (2%) of the outstanding shares of the capital stock of a company whose securities are registered under Section 12 of the Exchange Act).
4.2    Confidentiality. The Company has advised the Officer and the Officer acknowledges that it is the policy of the Company to maintain as secret and confidential all Protected Information (as defined below), and that Protected Information has been and will be developed at substantial cost and effort to the Company. All Protected Information shall remain confidential permanently and the Officer shall not at any time, directly or indirectly, divulge, furnish, or make accessible to any person, firm, corporation, association, or other entity (otherwise than as may be required in the regular course of the Officer’s employment with the Company), nor use in any manner, either during the term of employment or after termination, at any time, for any reason, any Protected Information, or cause any such information of the Company to enter the public domain. 
For purposes of this Agreement, “Protected Information” means trade secrets, confidential and proprietary business information of the Company, and any other information of the Company, including, but not limited to, customer lists (including potential customers), sources of supply, processes, plans, materials, pricing information, internal memoranda, marketing plans, internal policies, and products and services which may be developed from time to time by the Company and its agents or employees, including the Officer; provided, however, that information that is in the public domain (other than as a result of a breach of this Agreement), approved for release by the Company or lawfully obtained from third parties who are not bound by a confidentiality agreement with the Company is not Protected Information.

4.3    Nonsolicitation. During the term of this Agreement and, if longer, for a period of twenty-four (24) months after the Effective Date of Termination, the Officer shall not: (a) employ or retain or solicit for employment or arrange to have any other person, firm, or other entity employ or retain or solicit for employment or otherwise participate in the employment or retention of any person who is an employee or consultant of the Company; or (b) solicit customers of the Company for a venture or business of any kind that competes with, or is a competitor of, the Company.
4.4    Cooperation. The Officer agrees to cooperate with the Company and its attorneys in connection with any and all lawsuits, claims, investigations, or similar proceedings that have been or could be asserted at any time arising out of or related in any way to the Officer’s employment by the Company.
4.5     Nondisparagement. At all times, the Officer agrees not to disparage the Company, its directors, officers or other representatives or otherwise make comments harmful to any of the foregoing party’s reputation.
4.6    Judicial Interpretation. It is expressly understood and agreed that although the Officer and the Company consider the restrictions contained in this Article 4 to be reasonable, if a final judicial determination is made by a court of competent jurisdiction that any restriction contained in this Agreement is an unenforceable restriction against the Officer, the provisions of this Agreement shall not be rendered void but shall be deemed amended to apply to the maximum extent as such court may judicially determine or indicate to be enforceable. Alternatively, if any court of competent jurisdiction finds that any restriction contained in this Agreement is unenforceable, and such restriction cannot be amended so as to make it enforceable, such finding shall not affect the enforceability of any of the other restrictions contained herein.
4.7    Injunctive Relief and Additional Remedy. The covenants in this Article 4 are in addition to and not in lieu of covenants and agreements in any other agreement signed or delivered by Officer in connection with Officer’s employment with the Company, including, without limitation, any agreement signed or delivered in connection with any incentive plans, equity grants or other compensatory arrangements.  The Officer acknowledges that the injury that would be suffered by the Company as a result of a breach of the provisions of this Agreement would be irreparable and that an award of monetary damages to the Company for such a breach would be an inadequate remedy. Consequently, the Company will have the right, in addition to any other rights it may have, to obtain injunctive relief to restrain any breach or threatened breach or otherwise to specifically enforce any provision of this Agreement, and the Company will not be obligated to post bond or other security in seeking such relief. Without limiting the Company’s rights under this Article 4 or any other remedies of the Company, if the Officer breaches any of the provisions of this Article, the Company will have the right to recover any amounts paid to the Officer under Section 2.3(c) of this Agreement.
Article 5. The Company's Payment Obligation
5.1    Payment Obligations Absolute. Except as set forth in Sections 2.3(d), 3.3, 4.7 and 9.6 or otherwise required by law, the Company’s obligation to make the payments and the arrangements provided for herein shall be absolute and unconditional, and shall not be affected by any circumstances including, without limitation, any offset, counterclaim, recoupment, defense, or other right which the Company may have against the Officer or anyone else. 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 shall not seek to recover all or any part of such payment from the Officer or from whomsoever may be entitled thereto, for any reasons whatsoever.
The Officer shall not be obligated to seek other employment in mitigation of the amounts payable or arrangements made under any provision of this Agreement, and the obtaining of any such other employment shall in no event effect any reduction of the Company’s obligations to make the payments and arrangements required to be made under this Agreement, except to the extent provided in Section 2.3(d) herein.
5.2    Contractual Rights to Benefits. This Agreement establishes and vests in the Officer a contractual right to the benefits to which the Officer is entitled hereunder. However, nothing herein contained shall require or be deemed to require, or prohibit or be deemed to prohibit, the Company to segregate, earmark, or otherwise set aside any funds or other assets, in trust or otherwise, to provide for any payments to be made or required hereunder.
Article 6. Term of Agreement
The Company reserves the right, except as hereinafter provided, at any time and from time to time, to amend, modify, change or terminate this Agreement; provided, however, that upon the earlier to occur of (i) a Change in Control or (ii) a Potential Change in Control, no such amendment, modification, change or termination that adversely affects the rights of the 

Officer under this Agreement may be made without the written consent of the Officer for a period of not less than twenty-four (24) months beyond the month in which the triggering Change in Control or Potential Change in Control occurred.
Article 7. Dispute Resolution
Any dispute or controversy between the parties arising under or in connection with this Agreement shall be settled by arbitration.
The arbitration proceeding shall be conducted before a panel of three (3) arbitrators sitting in a location selected by the Officer within fifty (50) miles from the location of the Officer’s principal place of employment, in accordance with the rules of the American Arbitration Association then in effect. Judgment may be entered on the award of the arbitrators in any court having competent jurisdiction.
Each party shall be responsible for (i) its own expenses of such arbitration, including the reasonable fees and expenses of its legal representative(s), and necessary costs and disbursements incurred as a result of such dispute or legal proceeding and (ii) one-half of the fees and expenses of the arbitrators and the fees associated with arbitration filing; provided, however, that in the event the Officer prevails with respect to at least a majority of the issues in dispute, the Company shall bear all such expenses (including the fees and expense of Officer’s legal representative(s)), costs, disbursements and prejudgment interest.
Article 8. Successors
8.1    Successors to the Company. The Company shall require any successor (whether direct or indirect, by purchase, merger, reorganization (including the formation of a holding company structure), consolidation, acquisition of property or stock, liquidation, or otherwise) of all or a significant portion of the business or assets of the Company, including, without limitation, a successor resulting from a Change in Control, by agreement, in form and substance reasonably satisfactory to the Officer, to expressly assume and agree to perform this Agreement in the same manner and to the same extent that the Company would be required to perform if no such succession had taken place. Regardless of whether such agreement is executed, this Agreement shall be binding upon any successor in accordance with the operation of law and such successor shall be deemed the “Company” for purposes of this Agreement.
8.2    Assignment by the Officer. This Agreement shall inure to the benefit of and be enforceable by the Officer’s personal or legal representatives, executors, administrators, successors, heirs, distributees, devisees, and legatees. If the Officer dies while any amount would still be payable to the Officer hereunder had the Officer continued to live, all such amounts, unless otherwise provided herein, shall be paid in accordance with the terms of this Agreement to the Officer’s devisee, legatee, or other designee, or if there is no such designee, to the Officer’s beneficiary designated under the Company’s life insurance plan, or, if there is no such beneficiary, to the Officer’s estate.
Article 9. Miscellaneous
9.1    Employment Status. This Agreement is not, and nothing herein shall be deemed to create, an employment contract between the Officer and the Company or any of its subsidiaries. The Officer acknowledges that the rights of the Company remain wholly intact to change or reduce at any time and from time to time the Officer’s compensation, title, responsibilities, location, and all other aspects of the employment relationship, or to discharge the Officer, prior to a Change in Control. 
9.2    Entire Agreement. Except as provided in the first sentence of Section 4.7 and the first sentence of Section 9.5, this Agreement contains the entire understanding of the Company and the Officer with respect to the subject matter hereof. In addition, the payments provided for under this Agreement in the event of the Officer’s separation from service with the Company shall be in lieu of any severance benefits payable under any severance plan, program, or policy of the Company to which the Officer might otherwise be entitled.
9.3    Notices. All notices, requests, demands, and other communications hereunder shall be sufficient if in writing and shall be deemed to have been duly given if delivered by hand or if sent by registered or certified mail to the Officer at the last address the Officer has filed in writing with the Company or, in the case of the Company, at its principal offices.
9.4    Execution in Counterparts. This Agreement may be executed by the parties hereto in counterparts, each of which shall be deemed to be original, but all such counterparts shall constitute one and the same instrument, and all signatures need not appear on any one counterpart.

9.5    Conflicting Agreements. Except as may be provided in any award agreement between the Company and Officer relating to any equity- or cash-based long-term incentive award, this Agreement completely supersedes any and all prior change in control agreements, provisions or understandings, oral or written, entered into by and between the Company and the Officer, with respect to the subject matter hereof, and all amendments thereto, in their entirety.  Further, the Officer hereby represents and warrants to the Company that the Officer’s entering into this Agreement, and the obligations and duties undertaken by the Officer hereunder, will not conflict with, constitute a breach of, or otherwise violate the terms of, any other employment or other agreement to which the Officer is a party, except to the extent any such conflict, breach, or violation under any such agreement has been disclosed to the Board in writing in advance of the signing of this Agreement. 
Notwithstanding any other provisions of this Agreement to the contrary, if there is any inconsistency between the terms and provisions of this Agreement and the terms and provisions of Company-sponsored compensation and welfare plans and programs, this Agreement’s terms and provisions shall completely supersede and replace the conflicting terms of the Company-sponsored compensation and welfare plans and programs, where applicable.
9.6    Severability. Except as provided in Section 4.6, in the event any provision of this Agreement shall be held illegal or invalid for any reason, the illegality or invalidity shall not affect the remaining parts of the Agreement, and the Agreement shall be construed and enforced as if the illegal or invalid provision had not been included. Further, the captions of this Agreement are not part of the provisions hereof and shall have no force and effect.
Notwithstanding any other provisions of this Agreement to the contrary, the Company shall have no obligation to make any payment to the Officer hereunder to the extent, but only to the extent, that such payment is prohibited by the terms of any final order of a federal or state court or regulatory agency of competent jurisdiction; provided, however, that such an order shall not affect, impair, or invalidate any provision of this Agreement not expressly subject to such order.
9.7    Modification. No provision of this Agreement may be modified, waived, or discharged unless such modification, waiver, or discharge is agreed to in writing and signed by the Officer and by a member of the Board, as applicable, or by the respective parties’ legal representatives or successors.
9.8    Applicable Law. To the extent not preempted by the laws of the United States, the laws of Missouri shall be the controlling law in all matters relating to this Agreement without giving effect to principles of conflicts of laws.
IN WITNESS WHEREOF, the parties have executed this Agreement on this 11th day of December 2018.

AEGION CORPORATION

/s/ Stephanie A. Cuskley            
By: Stephanie A. Cuskley,
Chair of Compensation Committee

/s/ Stephen P. Callahan            
       Stephen P. Callahan

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