Employment Agreement with Jana D. Merfen Dated January 19, 2021

THIS EMPLOYMENT AGREEMENT (the "Agreement”) is effective as of January 27, 2021 (the "Effective Date"), is by and between CrossFirst Bank, a state bank organized under the laws of the State of Kansas (the "Company"), CrossFirst Bankshares, Inc. a Kansas Corporation (the "Holding Company"), and Jana D. Merfen ("Employee"), with reference to the following facts:

RECITALS:

The parties have agreed to execute this Agreement in order to memorialize the terms and conditions on which the Company shall employ Employee from and after the Effective Date of this Agreement.

Certain rights described below may inure to the benefit of other companies affiliated with the Company by virtue of being controlled by the Company or under common control with the Holding Company (“Affiliated Companies”).

AGREEMENTS:

Now, THEREFORE, the parties hereto, intending to be legally bound, do hereby agree as follows:

1.    POSITION AND DUTIES.

1.1    POSITION AND TITLE. The Company hereby hires Employee to serve as Managing Partner, Chief Technology Officer.

a.LIMITS ON AUTHORITY. Employee shall, to the best of her abilities, perform her duties in such capacity pursuant to this Agreement in compliance with applicable law, consistent with such direction as the Company provides to Employee from time to time, and in accordance with Company's policies and procedures as published from time to time.

b.REPORTING AND AUTHORITY. Employee shall report to the Company as directed by the Company. Subject to the directions of the Company, Employee shall have full authority and responsibility for supervising and managing to the best of her ability, the daily affairs in her scope of work or as assigned including but not limited to: (i) provide strategic technology leadership with an integral role in the growth and continued development of digital services and automation and data strategies (ii) working with the Company to develop and approve business objectives, policies and plans that improve the Company’s profitability; (iii) communicating business objectives and plans to subordinates, (iv) working with the Company to ensure the technology strategy meets the long-term business strategy (v) identifying technology investment and innovation opportunities and managing the internal data environment to support data analytics solutions, (vi) providing periodic financial information concerning the operations of the projects and growth plans to the Company, and (vii) ensuring that the operation of the projects comply with applicable laws.

1.2    ACCEPTANCE. Employee hereby accepts employment by the Company in the capacity set forth in Section 1.1, above, and agrees to perform the duties of such position from and after the Effective Date of this Agreement in a diligent, efficient, trustworthy, and businesslike manner. Employee agrees that, to the best of the Employee's ability and experience, Employee at all times shall loyally and

conscientiously discharge all of the duties and responsibilities imposed upon Employee pursuant to this Agreement.

1.3     BUSINESS TIME. Employee shall devote her exclusive business time to the performance of her duties to the Company under Section 1.1 and elsewhere in this Agreement. Employee shall not undertake any activities that conflict with or significantly detract from her primary duties to the Company.

1.4    LOCATION. Employee shall perform her duties under this Agreement primarily in Leawood, Kansas and potentially other regions of the United States where the Company, or its Affiliated Companies, are active in conducting banking and other related service activities. Employee acknowledges and agrees that from time to time she shall be required to travel (at the cost and expense of the Company) to such other locations in order to discharge her duties under this Agreement.

1.5    TERM. The term of this Agreement commenced as of the Effective Date and shall be for a term of two (2) years, which term shall thereafter automatically renew for successive one (1) year terms unless: i) Company or Employee serve a Notice of Termination upon the other party of intent to not renew the term of this Agreement within thirty (30) days prior to the ensuing termination date, or ii) earlier terminated in accordance with Section 3, below.

1.6    STOCKHOLDING REQUIREMENT. The Board of Directors of the Company believes that it will be essential for Employee to participate in the Company’s future growth as an equity stakeholder as well as an employee. As a condition to Employee’s employment with the Company, Employee will be required to hold a minimum of two hundred thousand dollars ($200,000) worth of Company stock (“Required Stock”). As a condition of Employee’s continued employment with the Company, Employee shall not sell or transfer any Required Stock without the prior consent of the Compensation Committee of the Board of Directors (the “Compensation Committee"). In the event Employee fails to hold sufficient Company stock with a value equal to or in excess of the required minimum value for more than ninety (90) consecutive days, and unless such requirement is waived by the Compensation Committee, Employee shall be deemed to be in material breach of this Agreement. Employee will have three years from the date hereof to reach the Required Stock threshold.

2.    COMPENSATION. The Company shall compensate Employee for her services pursuant to this Agreement as follows:

2.1    BASE COMPENSATION.

a.BASE SALARY. The Company shall pay to Employee an annual salary in the amount of Three Hundred Thousand Dollars ("Base Salary"), payable in periodic installments in accordance with the Company's regular payroll practices as in effect from time to time. Such annual salary shall be subject to approval by the Compensation Committee. In addition, such annual salary is subject to periodic increases, in such amounts (if any) as the Company may determine to be appropriate, at the time of Employee's annual review pursuant to Section 2.1(b), below, or at such other times (if any) as the Company may select.

b.PERIODIC REVIEWS. The Company shall review Employee's performance of her duties pursuant to this Agreement at least annually and from time to time and advise Employee of the results of that review. In connection with each such review, the Company shall evaluate whether any increase in Employee's compensation under Section 2.1(a), above, is appropriate. Any annual salary increase shall be effective as of such date as the Company, in its discretion, determines to be appropriate.

2.2      BONUSES.

a.CRITERIA. Employee shall be eligible to receive periodic incentive bonuses under the Company’s Incentive Plan (the "Bonuses") in such amounts, if any, and at such times as may be determined by the Compensation Committee, in its sole discretion. Employee’s bonus opportunity shall be 40% of Employee’s Base Salary. By no later than March 15th of each year,

the Compensation Committee will define the terms and conditions of such Bonuses for Employee for the following year based upon reasonable, measurable and obtainable goals for Employee and the Company.

b.TIMING OF PAYMENT. The Bonus, if any, payable for each calendar year during the term of this Agreement shall be payable on or before March 15st of the calendar year immediately following the end of the calendar year in which such Bonus is earned.

2.3    FRINGE BENEFITS/VACATION.

a.VACATION. Employee is trusted to take reasonable vacation time when needed. Employee will not receive compensation upon termination or credit in future calendar years for any unused vacation time.

b.OTHER FRINGE BENEFITS. Employee shall be eligible to participate, on the same terms and conditions as all other employees of the Company, in all reasonable and customary fringe benefit plans made available to the employees of the Company and its Affiliated Companies, including but not limited to, Group Health Insurance (medical, vision and dental) and Long and Short Term Disability Insurance.

c.MOBILE COMMUNICATIONS. The Company at its expense shall provide Employee with iPhones and iPads and data plan for her use in connection with the Company’s business with a provider acceptable to the Company. Employee shall use and maintain such devises in a reasonable manner. The Company shall pay for the purchase of such initial devices for Employee’s use and a replacement when such devices are eligible for full replacement under Employee’s data plan.

d.AUTOMOBILE ALLOWANCE. The Company shall provide Employee with an automobile allowance of $600 per month, prorated for partial months worked, which shall be in lieu of any expense reimbursement for automobile or automobile-related expenditures (other than expenditures for car service or other transportation costs associated with Employee's business travel, which shall be reimbursed in accordance with the terms of Section 2.4, below) or use of a Company owned or leased vehicle.

2.4    REIMBURSEMENT OF EXPENSES. The Company shall reimburse Employee for business expenses incurred by Employee in the performance of her duties, provided that such expenses are authorized under the Company’s Expense Reimbursement policy, in reasonable amounts, incurred for ordinary and necessary Company-related business expenses and are supported by itemized accountings and expense receipts that are timely submitted to the Company prior to any reimbursement.

2.5    EQUITY INCENTIVE PLAN. As an active key employee in Company and its affiliates, Employee shall have the right to participate in the current CrossFirst Bankshares, Inc. 2018 Omnibus Equity Incentive Plan, (the “Equity Incentive Plan”) for certain eligible key employees, a copy of which has been provided by Employer. As a part of Employee’s compensation under this Agreement, Employee shall have the right to participate in the Equity Incentive Plan as determined by the Committee, subject to vesting and other rights described in the Equity Incentive Plan or approved by the Compensation Committee. Employee’s rights in any equity may change in accordance with the provisions of the Equity Incentive Plan. The Committee reserves the right, in its sole discretion and at any time, to change the type of equity incentive awards granted to Employee, provided that the Committee shall only grant to Employee awards which may be granted under the terms of the Equity Incentive Plan. For 2021, you will receive a grant of 10,000 time-based RSUs that will vest in 1/3 increments. You will be eligible for additional awards under the Equity Incentive Plan in 2022.

3.    TERMINATION.

3.1.    DEFINTIONS. For purposes of this Agreement, the term:

a.“DATE OF TERMINATION” or "TERMINATION DATE" shall mean the date specified in a Notice of Termination (as defined below).

b."NOTICE OF TERMINATION" shall mean a written notice, which includes the effective Date of Termination and (i) if delivered by the Company in connection with the Company's decision to terminate Employee's employment with the Company, sets forth in reasonable detail the reason for termination of Employee's employment, or (ii) if delivered by Employee in connection with a Constructive Termination (as such term is defined in the Severance Plan (as defined in Section 3.1(c) below)), specifies in reasonable detail the basis for such resignation.

c."SEVERANCE PLAN" shall mean the CrossFirst Bankshares, Inc. Senior Executive Severance Plan.

3.2.    TERMINATION BY EMPLOYEE OR COMPANY DUE TO DEATH OR DISABILITY. If the Company terminates Employee during the term of this Agreement due to death or Disability or Employee terminates this Agreement due to Disability then following such termination the Company shall pay to Employee or Employee’s legal representative:

a.ACCRUED OBLIGATION. A lump sum cash payment equal to Employee’s accrued, earned but unpaid compensation and bonuses for the period ending on the Date of Termination, provided, that such payment shall not include any potential or unearned bonuses or any other potential or unearned or benefits ("Accrued Obligations") shall be made on the sixtieth (60th) day following the Employee’s Date of Termination; and

b.COBRA PAYMENT. A lump sum cash payment equal to twelve (12) times the Company-paid portion of the monthly COBRA continuation premium for Employee and his eligible dependents, if any, for COBRA continuation coverage under the Company's health, vision and dental plans in effect as of Employee's Date of Termination due to Disability or death. Such amount will include the Company paid portion of the cost of the premiums for coverage of Employee's dependents if, and only to the extent that, such dependents were enrolled in a health, vision or dental plan sponsored by the Company before the Date of Termination.

For purposes of this Agreement, "Disability" shall have the meaning ascribed in the Severance Plan

3.3     OTHER TERMINATIONS. In the case of a termination for any reason other than Employee's death or Disability, Employee shall only be entitled to those severance benefits, if any, provided for under the Severance Plan ("Severance Payments").

3.4     CONDITIONAL NATURE OF SEVERANCE PAYMENTS. Notwithstanding any other provision of this Section 3 or any other provision of this Agreement to the contrary:

a.NONSOLICITATION. Employee understands and agrees that because of his employment with the Company that she will acquire or have access to certain information of a confidential and secret nature derived from the operations of the Company’s and its Affiliated Companies’ business. Employee further understands and agrees that all correspondence, customer and investor lists and information, loan pricing techniques, underwriting methods, systems and products of the Company are confidential and trade secrets (“Confidential Information”) and the disclosure or unauthorized use of such information would be detrimental to the Company. Employee understands and agrees that the nature of the Company's business is such that if Employee were to directly solicit, interfere with, or attempt to interfere with any of the

Company’s customer relationships or to directly or indirectly solicit, interfere with, or attempt to interfere with any of the Company’s other employees relationships that existed at Employee’s Termination Date and during the one (1) year period following the termination of Employee's employment with the Company, then it would be injurious to the Company. Therefore in consideration of the Employee and the Company complying with the terms of his employment, and subject to the condition precedent of the Company timely providing Employee the payments called for hereunder, Employee agrees:

i.that, without the prior written consent of the Company, she will not directly or indirectly solicit interfere with or attempt to interfere with any of the Company’s customer relationships or other employee relationships that existed at Employee’s Termination Date and during the one (1) year period of time thereafter;

ii.to assist in the avoidance of the unauthorized disclosure of the Company's Confidential Information, in addition to other remedies available to the Company and its Affiliated Companies, Employee will not, and understands and agrees that his right to receive the severance consideration described in Sections 3.2 and 3.3 above (to the extent Employee is otherwise entitled to such payments thereunder) shall be conditioned upon Employee not: i) directly or indirectly engaging in (whether as an employee, consultant, agent, proprietor, principal, partner, stockholder, corporate officer, director or otherwise); or ii) acquiring any ownership interest in or participating in the financing, operation, management or control of, any person, firm, corporation or business that directly or indirectly solicits, interferes with or attempts to interfere with any of the Company’s customer relationships or other employee relationships that existed at Employee’s Termination Date in any Metropolitan Statistical Area as defined from time to time by the U.S. Office of Management and Budget, Bureau of Labor Statistics, in which the Company or its successor owns controlling voting interest in any banking or other financial institution as such banking or other financial institutions are controlled by the Company or its Affiliated Companies upon Employee’s Termination Date. The limitation upon Employee’s ownership of outstanding shares or other units of ownership shall be excluded from this Section 3.4, provided such ownership is less than five (5) percent in any publicly-traded bank or financial institution;

iii.without the prior written consent of the Company, Employee will not solicit, directly or indirectly, actively or inactively, the employees or independent contractors of the Company to become employees or independent contractors of any person, firm, corporation, business, or banking or other financial institution that directly or indirectly competes with the Company or solicits, interferes with, or attempts to interfere with the Company’s customers; and,

iv.on or before the Date of Termination, Employee shall return to Company, all records, lists, compositions, documents and other items which contain, disclose and/or embody any Confidential Information (including, without limitation, all copies, reproductions, summaries and notes of the contents thereof, expressly including all electronically stored data, wherever stored), regardless of the person causing the same to be in such form, and Employee will certify that the provisions of this paragraph have been complied with.

b.OTHER EMPLOYMENT. In the event Employee becomes employed as an employee or consultant for a company that provides banking services similar to services provided by the Company or its Affiliated Companies in a Metropolitan Statistical Area, described in Section 3.4(a)(ii), above, Employee shall not be entitled to receive any further amount of the severance consideration described in Sections 3.2 and 3.3 above, subsequent to the date of such employment. Employee acknowledges that this limitation is fair to both Employee and the Company and does not in any way restrain employee from exercising Employees lawful profession, trade or business.

c.GENERAL RELEASE. Employee shall not be entitled to receive any benefits upon termination of employment described in this Section 3 (including any Severance Payments under the Severance Plan or described in Section 3.2 above) unless prior to receiving the same Employee executes a release pursuant to Section 9 of the Severance Plan, as applicable, or a general release of all known claims against the Company and its directors, officers, employees, stockholders, and other agents and their respective insurers, successors, and assigns, of all claims arising from or in any way relating to Employee's employment by the Company or the termination of that employment, provided that such release shall not extend to (i) any claims for benefits under any qualified retirement plan maintained by the Company, (ii) any claims for governmental unemployment benefits, or (iii) any claims for workers compensation benefits; (iv) Employee’s rights, if any, under the Plan, (v) Employee’s rights, if any, as an owner of any Shares of the Company, (vi) Employee’s rights under this Agreement, or (vii) Employee's right to receive indemnification from the Company under applicable provisions of the law of the State where Employee is employed or the articles of organization, articles of incorporation, By Laws or Operating Agreement of the Company or its Affiliated Companies, as the case may be.