Document:

Exhibit

Exhibit 10.2
May 26, 2019

Mr. Bob MacDonald
XXXXXXXXXXXX
XXXXXXXXXXXX

Re:  Offer of Employment with Obalon Therapeutics, Inc.

Dear Bob:
On behalf of Obalon Therapeutics, Inc., a Delaware corporation (the “Company”), I am pleased to invite you to join the Company.  The effective date of your employment will be on or before May 30, 2019 (such employment commencement date, the “Effective Date”).  This offer will expire if not accepted in writing by the close of business on May 28, 2019.
The terms of this offer of employment are as follows: 
1.Position and Title.  You will serve as Chief Retail Officer (“CRO”) of the Company.  In that capacity, you will be primarily responsible for activities related to the Company’s commercial retail store activities.  You will report directly to William Plovanic, the Company’s President and Chief Financial Officer. Your responsibilities, title and reporting structure may be changed in the future at the Company’s discretion.  You will be expected to devote your full business time, your attention and your energies to the performance of your duties with the Company.   
2.At-Will Employment.  You understand and acknowledge that your employment with the Company is for an unspecified duration and constitutes “at-will” employment.  The employment relationship may be terminated by you or by the Company at any time, with or without cause, and for any reason or for no reason.   Further, your participation in any stock option or benefit program is not to be regarded as assuring you of continuing employment for any particular period of time.  Your at-will status cannot be changed, except in a writing signed by you and the Company’s President or Chief Executive Officer (CEO). 
3.Base Compensation.  During your employment, the Company will pay you an annual base salary of $325,000 in accordance with the Company’s standard payroll policies (which will provide for bi-monthly wage payments), including compliance with applicable tax withholding requirements.  Your annual base salary will be pro-rated for calendar year 2019 as measured from the date you commence employment with the Company.
4.Performance Bonus. During your employment, you will be eligible for a performance bonus.  Your target bonus will be equal to 25%, with an upside bonus equal to 35%, of your actual base salary paid for the applicable year.  For the remainder of 2019, your target bonus will be 25% of your actual base salary earnings for 2019.  The actual amount of any annual bonus will be determined by the Board of Directors of the Company (the “Board”), or a committee thereof, based on the achievement of applicable Company and/or individual performance goals. You must be an active full time employee of the Company when the bonus is paid in order to be eligible to receive an annual bonus (to the extent it is otherwise payable).
5.Stock Option Grant.  The Company will recommend to the Board that you be granted an option to purchase 200,000 shares of common stock of the Company under the Company’s 2016 Equity Incentive Plan (the “Plan”), with an exercise price per share equal to the per share fair market value of the Company’s 

common stock on the applicable grant date (the “Option”).  The Option will be an incentive stock option to the maximum extent permitted under applicable laws and regulations, and will be a non-statutory option as to the balance of the Shares.  The Option shall be subject to the Company’s standard terms and conditions under the Plan and form of Stock Option Agreement.  The Option will vest as to 25% of the underlying shares on the first anniversary of the Effective Date, and on a ratable monthly basis over a period of 36 months thereafter, in each case subject to your continued employment with the Company. The grant of the Option by the Company is subject to the Equity Incentive Committee’s approval and this promise to recommend such approval is not a promise of compensation and is not intended to create any obligation on the part of the Company.  Further details on the Plan and any specific option grant to you will be provided upon approval of such grant by the Equity Incentive Committee.
6.Benefits.  During the term of your employment, you will be eligible to participate in the Company’s standard benefits plans covering employees at your level, as such may be in effect from time to time.  Currently, such benefits include an annual accrual of three (3) weeks of paid time off (PTO), with a maximum accrual of no more than eight (8) weeks of PTO.  
7.Expenses.  The Company will reimburse all reasonable costs and expenses you incur and that are required for performance of your duties and responsibilities, upon presentment of receipts for such costs and expenses; provided however that any such costs and expenses comply with the Company’s expense reimbursement policy as such may be adopted and amended from time to time.
8.Employment Policies.  Upon the commencement of your employment, you will be provided with an employee manual that sets forth the Company’s guidelines and policies for employees. Adherence to the Company’s employee manual is a condition of continued employment.
1.    Immigration Laws.  For purposes of federal immigration laws, you will be required to provide to the Company documentary evidence of your identity and eligibility for employment in the United States.  Such documentation must be provided within three (3) business days of the Effective Date.
2.    Background Check.  This offer is contingent upon a successful background check, including a satisfactory verification of your criminal, education, driving and/or employment background.  This offer can be rescinded based upon data received in the verification.
3.    Confidentiality.   As an employee of the Company, you will have access to certain confidential information of the Company and you may, during the course of your employment, develop certain information or inventions that will be the property of the Company.  To protect the interests of the Company, you will need to sign the Company's standard “Employee Invention Assignment and Confidentiality Agreement” as a condition of your employment.  We wish to impress upon you that we do not want you to, and we hereby direct you not to, bring with you any confidential or proprietary material of any former employer or to violate any other obligations you may have to any former employer.
4.    Non-Contravention.  You represent that to the best of your knowledge, your signing of this letter, your commencement of employment with the Company, and your performance of the obligations associated with your position, does not and will not violate any agreement you have with any current or former employer and your signature confirms this representation.  
5.    Dispute Resolution.  You and the Company agree to submit to mandatory binding arbitration any and all claims arising out of or related to your employment with the Company and the termination thereof, including, but not limited to, claims for unpaid wages, wrongful termination, torts, stock or stock options or 

other ownership interest in the Company, and/or discrimination (including harassment) based upon any federal, state or local ordinance, statute, regulation or constitutional provision.  All arbitration hearings shall be conducted in San Diego, California.  THE PARTIES HEREBY WAIVE ANY RIGHTS THEY MAY HAVE TO TRIAL BY JURY IN REGARD TO SUCH CLAIMS.  THE PARTIES HEREBY WAIVE ANY CONSTITUTIONAL OR OTHER RIGHT TO BRING CLAIMS COVERED BY THIS OFFER LETTER OTHER THAN IN THEIR INDIVIDUAL CAPACITIES.  EXCEPT AS MAY BE PROHIBITED BY LAW, THIS WAIVER INCLUDES THE ABILITY TO ASSERT CLAIMS AS A PLAINTIFF OR CLASS MEMBER IN ANY PURPORTED CLASS OR REPRESENTATIVE PROCEEDING.  This offer letter does not restrict your right to file administrative claims you may bring before any government agency where, as a matter of law, the parties may not restrict the employee’s ability to file such claims (including, but not limited to, the National Labor Relations Board, the Equal Employment Opportunity Commission and the Department of Labor).  However, the parties agree that, to the fullest extent permitted by law, arbitration shall be the exclusive remedy for the subject matter of such administrative claims.  The arbitration shall be conducted through JAMS before a single neutral arbitrator, in accordance with the JAMS employment arbitration rules then in effect. The JAMS rules may be found and reviewed at http://www.jamsadr.com/rules-employment-arbitration. If you are unable to access these rules, please let me know and I will provide you with a hardcopy.  The arbitrator shall issue a written decision that contains the essential findings and conclusions on which the decision is based.
6.    Conflicting Employment.  You agree that, during the term of your employment with the Company, you will not engage in any other employment, occupation, consulting or other business activity that is in any way competitive with the business in which the Company is now involved or becomes involved during your employment, nor will you engage in any other activities that conflict with your obligations to the Company.  In addition, you hereby represent and warrant to the Company that (i) you are entering into this offer letter voluntarily and that the performance of your obligations hereunder will not violate any agreement between you and any other person, firm, organization or other entity, and (b) you are not bound by the terms of any agreement with any previous employer or other party to refrain from competing, directly or indirectly, with the business of such previous employer or other party that would be violated by your entering into this offer letter and/or providing services to the Company pursuant to the terms of this offer letter.
7.    Choice of Law.  The terms of this offer letter shall be governed by California law.
8.    General.  This offer letter, together with the Appendix, the Employee Invention Assignment and Confidentiality Agreement, the Plan and the Stock Option Agreement (if approved by the Equity Incentive Committee) governing the Option described in paragraph 5, when signed by you, set forth the terms of your employment with the Company, supersedes any and all prior representations and agreements, whether written or oral, and may only be amended in a writing signed by you and the President or Chief Executive Officer or other authorized officer of the Company other than yourself.  In the event that your employment with the Company does not commence on or before May 30, 2019, this offer letter will have no force or effect after such date.  In the event of a conflict between the terms and provisions of this offer letter and the Employee Invention Assignment and Confidentiality Agreement or the Stock Option Agreement(s), the terms and provisions of the Employee Invention Assignment and Confidentiality Agreement or the Stock Option Agreement(s), as applicable, will control.  In the event of a conflict between the terms and provisions of this offer letter and the Company’s standard policies and procedures which may be adopted from time to time, this offer letter will control.
We look forward to your joining the Company.  If the foregoing terms are agreeable, please indicate your acceptance by signing this offer letter in the space provided below and returning it to me, along with your completed and signed Employee Invention Assignment and Confidentiality Agreement.

Sincerely,
Obalon Therapeutics, Inc.

By:  /s/ William Plovanic    
William Plovanic
President and CFO
I have read and understood this offer letter and hereby acknowledge, accept and agree to the terms as set forth above and further acknowledge that no other commitments were made to me as part of my employment offer except as specifically set forth herein.
  /s/ Bob MacDonald        Date signed:  5/28/2019    
                 Bob MacDonaldEX-10.1

 EXHIBIT 10.1 

FORM OF DIRECTOR SUPPORT AGREEMENT 

This DIRECTOR SUPPORT AGREEMENT (this “Agreement”) is made and entered into as of
July [    ], 2019 (the “Execution Date”), by and between Spirit of Texas Bancshares, Inc. (“STXB”), a Texas corporation, Chandler Bancorp, Inc. (“CBI”), a Texas
corporation, and [                ], a natural person (the “Undersigned”). Terms with their initial letters capitalized and not otherwise defined
herein have the meanings given to them in the Reorganization Agreement (as defined below). 
 RECITALS 

WHEREAS, the Undersigned is a director of CBI, Chandler Bancorp of Nevada, Inc. (“CBNV”), a Nevada corporation and
wholly-owned subsidiary of CBI, and/or Citizens State Bank (“CSB”), a Texas state member bank and wholly-owned subsidiary of CBNV; 

WHEREAS, in connection with the execution of this Agreement, STXB and CBI are entering into that certain Agreement and Plan of Reorganization,
dated as of the date hereof (as such agreement may be amended or supplemented from time to time, the “Reorganization Agreement”), pursuant to which CBI will merge with and into STXB, with STXB continuing as the surviving entity (the
“First Merger”), and which contemplates that CBNV will merge with and into STXB, with STXB continuing as the surviving entity (the “Second Merger”), pursuant to a separate agreement and plan of merger, and which
further contemplates that CSB will merge with and into Spirit of Texas Bank, SSB, a Texas state savings bank and wholly-owned subsidiary of STXB (“SOTB”), with SOTB continuing as the surviving entity (the “Bank
Merger” and, together with the First Merger and Second Merger, the “Merger”), pursuant to a separate agreement and plan of merger; 

WHEREAS, the term “CBI” as used in this Agreement with respect to time periods after the Effective Time shall mean STXB, as
successor to CBI in the First Merger; 
 WHEREAS, the Undersigned, as a director of CBI, CBNV and/or CSB, as the case may be, has had access
to certain Confidential Information (as defined below), including, without limitation, information concerning CBI’s, CBNV’s and CSB’s business and the relationships between CBI, CBNV and CSB, their respective subsidiaries, vendors and
customers, and CBI’s, CBNV’s and/or CSB’s status and relationship with peer institutions that compete with STXB, SOTB, CBI, CBNV and/or CSB, and has had access to trade secrets, customer goodwill and proprietary information of CBI,
CBNV and/or CSB and their respective businesses that constitute a substantial asset to be acquired by STXB and SOTB; and 
 WHEREAS, the
Undersigned recognizes that STXB’s willingness to enter into the Reorganization Agreement is dependent on the Undersigned entering into this Agreement (including the
anti-piracy/non-solicitation/non-competition covenants below) and, therefore, this Agreement is incident thereto. 

 NOW, THEREFORE, for the new Confidential Information the Undersigned will be provided,
training that is expected to be made available to the Undersigned and for other good and valuable consideration contained herein and in the Reorganization Agreement, the receipt and sufficiency of which are hereby acknowledged, the parties hereto
agree as follows: 
 AGREEMENT 

1.    Director Support. The Undersigned agrees to use his or her best efforts to refrain from harming the goodwill
and business relationships of STXB, SOTB, CBI, CBNV, CSB and their respective subsidiaries, and their respective customer and client relationships during the term of this Agreement. 

2.    Non-Disclosure Obligations. The Undersigned agrees that he or she
will not make any unauthorized disclosure, directly or indirectly, of any Confidential Information of STXB, SOTB, CBI, CBNV or CSB to third parties, or make any use thereof, directly or indirectly. The Undersigned also agrees that he or she shall
deliver promptly to STXB or CBI at any time at its reasonable request, without retaining any copies, all documents and other material in the Undersigned’s possession at that time relating, directly or indirectly, to any Confidential Information
or other information of STXB, SOTB, CBI, CBNV or CSB, or Confidential Information or other information regarding third parties learned in such person’s position as a director, officer, employee or shareholder of CBI, CBNV or CSB, as applicable.

 For purposes of this Agreement, “Confidential Information” means and includes STXB’s, SOTB’s, CBI’s,
CBNV’s and CSB’s confidential and/or proprietary information and/or trade secrets, including those of their respective subsidiaries, that have been and/or will be developed or used and that cannot be obtained readily by third parties from
outside sources. Confidential Information includes, but is not limited to, the: information regarding past, current and prospective customers and investors and business affiliates, employees, contractors and the industry not generally known to the
public; strategies, methods, books, records and documents; technical information concerning products, equipment, services and processes; procurement procedures, pricing and pricing techniques, including contact names, services provided, pricing,
type and amount of services used; financial data; price curves; positions; plans or strategies for expansion or acquisitions; budgets; research; financial and sales data; trading methodologies and terms; communications information; evaluations,
opinions and interpretations of information and data; marketing and merchandising techniques; electronic databases; models and the output from the same; specifications; computer programs; contracts; bids or proposals; technologies and methods;
training methods and processes; organizational structure; personnel information, including compensation and bonuses; payments or rates paid to consultants or other service providers; other such confidential or proprietary information; and notes,
analysis, compilations, studies, summaries and other material prepared by or for STXB, SOTB, CBI, CBNV, CSB or any of their respective subsidiaries containing or based, in whole or in part, on any information included in any of the foregoing. The
term “Confidential Information” does not include any information that (a) at the time of disclosure or thereafter is generally available to and known to the public, other than by a breach of this Agreement by the disclosing party;
(b) was available to the disclosing party, prior to disclosure by STXB, SOTB, CBI, CBNV or CSB, as applicable, on a non-confidential basis from a source other than the Undersigned and is not known by the
Undersigned, after reasonable investigation, to be subject to any fiduciary, contractual or legal obligations of confidentiality; or (c) was independently acquired or developed by the Undersigned without violating any obligations of this
Agreement. The Undersigned acknowledges that STXB’s, SOTB’s, CBI’s, CBNV’s and CSB’s respective businesses are highly competitive, that this Confidential Information constitutes valuable, special and unique assets to be
acquired by STXB in the Merger and constitutes existing valuable, special and unique assets held by CBI, CBNV or CSB pre-Merger, and that protection of such Confidential Information against unauthorized
disclosure and use is of critical importance to STXB. 

  
 2 

 3.    Non-Competition
Obligations. The Undersigned agrees that, for the period beginning on the Execution Date and continuing until the date that is two (2) years after the Effective Time of the Merger (the
“Non-Competition Period”), the Undersigned will not, except as a director or officer of CBI, CBNV or CSB prior to the Effective Time of the Merger or as set forth on Schedule A hereto,
in any capacity, directly or indirectly: 
 (a)    compete or engage, anywhere in the geographic area
comprised of the fifty (50) mile radius surrounding the locations of CSB before the Effective Time or, following the Effective Time, the locations of SOTB banking centers that were formerly locations of CSB (the “Market Area”),
in a business as a federally insured depository institution; 
 (b)    take any action to invest in, own,
manage, operate, control, participate in, be employed or engaged by, be a director of or otherwise be connected in any manner with any individual, corporation (including any non-profit corporation), general or
limited partnership, limited liability company, joint venture, estate, trust, association, organization or governmental body (each, a “Person”) engaging in a business similar to that of STXB, SOTB, CBI, CBNV or CSB anywhere within
the Market Area. Notwithstanding the foregoing, the Undersigned is permitted hereunder to own, directly or indirectly, up to one percent (1.0%) of the issued and outstanding securities of any publicly traded financial institution conducting business
in the Market Area; 
 (c)    (i) call on, service, solicit or respond to inquiries for competing
business from customers of STXB, SOTB, CBI, CBNV or CSB or any of their respective affiliates if, within the twelve (12) months before the Execution Date, the Undersigned had or made contact with the customer, or had access to information and
files about the customer, or (ii) interfere with or damage (or attempt to interfere with or damage) any relationship between STXB, SOTB, CBI, CBNV or CSB or any of their respective affiliates and any such customer; or 

(d)    call on, solicit, induce or respond to inquiries to or from any employee of STXB, SOTB, CBI, CBNV or
CSB or any of their respective affiliates whom the Undersigned had contact with, knowledge of or association with in the course of service with CBI, CBNV or CSB (whether as an employee or a contractor) to terminate his or her employment from or
contract with STXB, SOTB, CBI, CBNV or CSB or any of their respective affiliates, or assist any other Person in such activities; 
 provided,
however, that the restrictions in the foregoing (c) and (d) will not prohibit the Undersigned from responding to inquiries made in response to a general solicitation for customers or employees or publicly advertised employment
opportunities (including through employment agencies). 
 The Undersigned may not avoid the purpose and intent of this
Section 3 by engaging in conduct within the Market Area from a remote location through means such as telecommunications, written correspondence, computer generated or assisted communications or other similar methods. 

  
 3 

 4.    Non-Competition
Covenant Reasonable. The Undersigned acknowledges that the restrictions imposed by this Agreement are legitimate, reasonable and necessary to protect STXB’s acquisition of CBI and the goodwill and business prospects thereof. The Undersigned
acknowledges that the scope and duration of the restrictions contained herein are reasonable in light of the time that the Undersigned has been engaged in the business of CBI, CBNV and/or CSB and the Undersigned’s relationship with the
customers of CBI, CBNV and/or CSB. The Undersigned further acknowledges that the restrictions contained herein are not burdensome to the Undersigned in light of the other opportunities that remain open to the Undersigned. Moreover, the Undersigned
acknowledges that he or she has and will have other means available to him or her for the pursuit of his or her livelihood after the Effective Time of the Merger. 

5.    Consideration. In consideration for the above obligations of the Undersigned, in addition to those matters
set forth in the Recitals to this Agreement, CBI agrees to provide the Undersigned with the following: 

(a)    a monthly payment equal to the monthly director fee that the Undersigned receives as a director of
CBI, CBNV and/or CSB, as set forth on Schedule B hereto; provided, however, that the Undersigned will not be entitled to receive the payment under this Section 5(a) if the Undersigned is appointed as a director of
SOTB at Closing and will instead be compensated as a director of SOTB; 
 (b)    access to new
Confidential Information and training relating to CBI’s business, which will become STXB’s business after the Effective Time of the Merger, in a greater quantity and/or expanded nature than that already provided to the Undersigned; and

 (c)    access to, or knowledge of, new Confidential Information of third parties, such as actual and
potential customers, suppliers, partners, joint venturers, investors, financing sources, etc., of CBI, CBNV and/or CSB prior to the Merger. 

6.    Injunctive Relief and Additional Remedies. The Undersigned acknowledges that the injury that would be
suffered by STXB or CBI as a result of a breach of the provisions of this Agreement (including any provision of Section 3) would be irreparable and that an award of monetary damages to STXB or CBI, as the case may be, for
such a breach would be an inadequate remedy. Consequently, each of STXB and CBI shall have the right, in addition to any other rights it may have, to seek specific performance, to obtain injunctive relief to restrain any proposed, actual or
threatened breach or otherwise to specifically enforce any provision of this Agreement without the obligation to post bond or other security in seeking such relief. Such equitable remedies are in addition to the right to obtain compensatory and
punitive damages and attorneys’ fees, and, notwithstanding STXB’s or CBI’s, as the case may be, right to so seek damages, the Undersigned waives any defense that an adequate remedy for STXB or CBI, as the case may be, exists under
law. If the Undersigned, on the one hand, or STXB or CBI, on the other hand, must bring suit to enforce this Agreement, the prevailing party shall be entitled to recover its attorneys’ fees and costs related thereto. 

  
 4 

 7.    Extension of Restrictive Covenant Period. In the event that
STXB or CBI shall file a lawsuit in any court of competent jurisdiction alleging a breach of Section 3 by the Undersigned and STXB or CBI is successful on the merits of such lawsuit, then any time period set forth in this
Agreement including the time periods set forth in Section 3, will be extended one month for each month the Undersigned was in breach of this Agreement, so that STXB or CBI, as the case may be, is provided the benefit of the
full Non-Competition Period. 
 8.    Effectiveness of this Agreement.
This Agreement shall become effective on the Execution Date. This Agreement shall automatically terminate and be of no further force or effect if (a) the Reorganization Agreement is not executed on or prior to the Execution Date or (b) the
Reorganization Agreement (once executed) is terminated in accordance with its terms and the Merger does not occur. 

9.    Waiver; Amendment. The rights and remedies of the parties hereto are cumulative and not alternative. Any
party may unilaterally waive a right which is solely applicable to it. Such action will be evidenced by a signed written notice. Neither the failure nor any delay in exercising any right, power or privilege under this Agreement by any party hereto
will operate as a waiver thereof. No single or partial exercise of any right, power or privilege hereunder will preclude any other or further exercise thereof or the exercise of any other right, power or privilege. A waiver of any party of any right
or remedy on any one occasion will not be construed as a bar to any right or remedy that such party would otherwise have on any future occasion or to any right or remedy that any other party may have hereunder. This Agreement may be amended,
modified or supplemented only by an instrument in writing executed by each of the parties hereto. 

10.    Notices. All notices, consents, waivers and other communications required or permitted to be given under
this Agreement shall be in writing and shall be deemed to have been duly given if delivered in person, mailed by first class mail (postage prepaid) or sent by email, courier or personal delivery to the parties hereto at the following addresses
unless by such notice a different address shall have been designated: 
 If to STXB: 

Spirit of Texas Bancshares, Inc. 

1836 Spirit of Texas Way 
 Conroe,
Texas 77301 
 Attention: Mr. Dean O. Bass 

Email: DBass@sotb.com 
 With a
copy (which shall not constitute notice) to: 
 Hunton Andrews Kurth LLP 

1445 Ross Avenue, Suite 3700 

Dallas, Texas 75202 
 Attention:
Mr. Peter G. Weinstock 
 Email: pweinstock@HuntonAK.com 

  
 5 

 If to CBI: 

Chandler Bancorp, Inc. 
 3915 S.
Southwest Loop 323 
 Tyler, Texas 75701-9233 

Attention: Mr. Steven Gregory Kidd 

Email: greg@sgkidd.com 
 With a
copy (which shall not constitute notice) to: 
 Fenimore, Kay, Harrison & Ford, LLP 

812 San Antonio Street, Suite 600 

Austin, Texas 78701 
 Attention:
Mr. Derek W. McGee 
 Email: DMcGee@fkhpartners.com 

If to the Undersigned: 
 At the
address set forth on the Undersigned’s signature page hereto. 
 All notices sent by mail as provided above shall be deemed delivered
three (3) days after deposit in the mail, all notices sent by courier as provided above shall be deemed delivered one (1) day after being sent and all notices sent by email shall be deemed delivered upon confirmation of receipt. All other
notices shall be deemed delivered when actually received. Any party to this Agreement may change its address for the giving of notice specified above by giving notice as provided herein. Notices permitted to be sent via email shall be deemed
delivered only if sent to such persons at such email addresses as may be set forth in writing (and confirmation of receipt is received by the sending party). 

11.    Successors and Assigns. This Agreement shall be binding upon and shall inure to the benefit of STXB, CBI and
their respective successors and assigns, including, without limitation, any successor by merger, consolidation or stock purchase of STXB, CBI and any Person that acquires all or substantially all of the assets of STXB or CBI. 

12.    Governing Law; Jurisdiction. This Agreement is to be construed in accordance with and governed by the laws
of the State of Texas without regard for conflict of laws principles thereof. Any suit, action or other proceeding directly or indirectly arising out of or relating to this Agreement or the transactions contemplated hereby must be brought in the
courts of the State of Texas, County of Harris, or, if it has or can acquire jurisdiction, in the U.S. District Court for the Southern District of Texas (Houston Division), and each party irrevocably submits to the exclusive jurisdiction of such
court in any such suit, action or other proceeding. Process in any suit, action or other proceeding referred to in the preceding sentence may be served on any party anywhere in the world. Notwithstanding the foregoing a party may commence any action
or proceeding in a court other than the above-named courts solely for the purpose of enforcing an order or judgment issued by one of the above-named courts. 

  
 6 

 13.    Entire Agreement. This Agreement, together with the
Reorganization Agreement and the agreements contemplated thereby, embody the entire agreement and understanding of the parties hereto in respect to the subject matter contained herein. This Agreement supersedes all prior agreements and
understandings among the parties hereto with respect to such subject matter contained herein. In the event of a conflict between the terms of this Agreement and the terms of the Reorganization Agreement, the terms of the Reorganization Agreement
shall control. 
 14.    No Third-Party Beneficiaries. Nothing contained in this Agreement, express or implied,
is intended to confer upon any persons, other than the parties hereto or their respective successors, any rights, remedies, obligations or liabilities under or by reason of this Agreement. 

15.    Severability. If any provision of this Agreement is held invalid or unenforceable by any court of competent
jurisdiction, the other provisions of this Agreement will remain in full force and effect. Any provision of this Agreement held invalid or unenforceable only in part or degree will remain in full force and effect to the extent not held invalid or
unenforceable. If any restriction in this Agreement is held invalid or unenforceable by any court of competent jurisdiction, it is the intention of the parties hereto that the restrictions be reformed by such court in such a manner that protects the
business and Confidential Information of STXB, SOTB, CBI, CBNV and CSB to the maximum extent permissible. 

16.    Representation by Counsel; Interpretation. Each party hereto acknowledges that it has had the opportunity to
be represented by counsel in the negotiation, preparation and execution of this Agreement and the transactions contemplated hereby. Accordingly, any rule of law, including, but not limited to, the doctrine of contra proferentem, or any legal
decision which would require interpretation of any claimed ambiguities in this Agreement against the drafting party has no application and is expressly waived. The provisions of this Agreement shall be interpreted in a reasonable manner to effect
the intent of the parties hereto. 
 17.    Section Headings, Construction. The headings of Sections in this
Agreement are provided for convenience only and will not affect its construction or interpretation. All references to “Section” or “Sections” refer to the corresponding Section or Sections of this Agreement unless otherwise
specified. All words used in this Agreement will be construed to be of such gender or number, as the circumstances require. Unless otherwise expressly provided, the word “including” does not limit the preceding words or terms. 

18.    Counterparts. For the convenience of the parties hereto, this Agreement may be executed simultaneously in
two or more counterparts, each of which will be deemed an original but all of which shall constitute one and the same instrument. An email or electronic scan in “.pdf” format of a signed counterpart of this Agreement will be sufficient to
bind the party or parties whose signature(s) appear thereon. 
 [Signature Page Follows] 

  
 7 

 IN WITNESS WHEREOF, the undersigned have executed this Agreement as of the date first above
written. 
  

			
	 SPIRIT OF TEXAS BANCSHARES, INC.

		
	By:	 	 
		 	 Dean O. Bass,
 Chairman and Chief Executive
Officer

  

			
	CHANDLER BANCORP, INC.
		
	By:	 	 
		 	 Steven Gregory Kidd,
 Chairman of the
Board

 [Signature Page to Director Support Agreement – 1 of 2] 

 
			
	DIRECTOR
	
	 
	[                    ]
		
	Address:	 	 
		
		 	 
		
		 	 

 [Signature Page to Director Support Agreement – 2 of 2] 

 SCHEDULE A 

EXISTING CAPACITY 

 SCHEDULE B 

MONTHLY DIRECTOR FEE 

$[    ] per month

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