EXHIBIT 10.17 HERITAGE BANK ENDORSEMENT METHOD SPLIT DOLLAR AGREEMENT (By and Between HERITAGE BANK and _______________) Insurer/Policy:Employer/Bank:HERITAGE BANKInsured:Relationship of Insured to Bank:ExecutiveEffective Date:______, 2015

DEFINITIONS.

Accelerated Benefit. The term “Accelerated Benefit” shall mean amounts requested and received pursuant to any Policy(ies) rider permitting the policyowner or Insured access to portions of the eligible death benefit in the event the Insured is diagnosed with a chronic or terminal illness as required by the individual Policy(ies).

Beneficiary. The term “Beneficiary” shall mean that person or those persons, trusts, estates or other entities, designated in accordance with the terms of Paragraph 3 below that are entitled to receive benefits under this Agreement upon the death of Insured.

Beneficiary Designation Form. The “Beneficiary Designation Form” means the form established from time to time by the Bank and the Administrator, which an Insured completes, signs and returns in order to designate one or more Beneficiaries.

Board. The term “Board” shall mean the Board of Directors of the Bank.

Claimant. The term “Claimant” shall have the meaning assigned to an individual who makes a claim pursuant to the provisions of Paragraph 11 below.

Code. The “Code” shall mean the Internal Revenue Code of 1986, as amended from time to time.

ERISA. The term "ERISA" shall mean the Employee Retirement Income Security Act of 1974, as amended.

Final Base Salary. The term “Final Base Salary" shall mean the Insured’s annual rate of salary on the date of death, including salary Insured could have received in cash in lieu of (i) contributions made on Insured's behalf to a qualified plan maintained by the Bank or to any cafeteria plan under Section 125 of the Code maintained by the Bank and (ii) deferrals of compensation made at the Insured's election pursuant to a plan or arrangement of the Bank or an affiliate, but excluding any bonuses, incentive pay or special awards.

Insurer. The term “Insurer” shall mean each life insurance carrier that has issued a Policy that has been made part of and is subject to this Agreement.

NEO. The term “NEO” shall mean each named executive officer set forth in Heritage Financial Corporation’s annual proxy statement for the applicable year.

Net Amount-at-Risk. The term “Net Amount-at-Risk” (hereinafter “NAR”) shall be defined as the total proceeds of the Policy(ies) less the cash value of the Policy(ies).

Plan. The term “Plan” refers to this arrangement, as evidenced by this Agreement, whereby Insured (or Insured’s Beneficiary) is entitled to receive a benefit.

Policy(ies). The term “Policy(ies)” shall mean that life insurance policy or those policies referenced above and have been made part of, and are subject to, this Agreement.

Separation From Service. The term “Separation from Service” (or “Separates From Service”) shall be read and interpreted so as to be consistent with Code Section 409A and any future notices or guidance related thereto. Furthermore, in the event Insured serves as both an Executive and Director, then whether a Separation From Service has occurred shall be determined in accordance with the Code Section 409A specifications regarding “dual status” participants.

POLICY(IES) TITLE AND OWNERSHIP.

BENEFICIARY DESIGNATION RIGHTS.

PREMIUM PAYMENT METHOD.

TAXABLE BENEFIT/REPORTING REQUIREMENTS.

DIVISION OF DEATH PROCEEDS.

In the event Insured has not yet Separated From Service at the time of death, then, upon the death of Insured, Insured’s Beneficiary(ies) shall be entitled to receive an amount equal to the lesser of one hundred percent (100%) NAR or one (1) times the Final Base Salary.

Should the Insured Separate From Service for any reason other than death (the circumstances of which are governed by Paragraph 6A, then neither the Insured nor the Insured’s Beneficiary(ies) shall be entitled to receive any amount of the Policy(ies) proceeds pursuant to this Agreement.

The Bank may select which Policy(ies) shall be used to pay benefits due under this Agreement.

The Bank shall be entitled to the proceeds of any Policy(ies) payable after payment to the Insured’s Beneficiary(ies) under Paragraph 6A.

The Bank and the Insured (or assignees) shall share in any interest due on the death proceeds on a pro rata basis as the proceeds due each respectively bears to the total proceeds, excluding any such interest.

Any refund of unearned premium as provided in any Policy(ies) shall be paid to the Bank.

ACCELERATED BENEFIT IN THE EVENT OF TERMINAL OR CHRONIC ILLNESS (AS APPLICABLE) AND DIVISION OF CASH SURRENDER VALUE OF THE POLICY(IES).

TERMINATION OF AGREEMENT.

INSURED’S OR ASSIGNEE’S ASSIGNMENT RIGHTS.

AGREEMENT BINDING UPON THE PARTIES.

ADMINISTRATIVE AND CLAIMS PROVISIONS.

Named Fiduciary and Plan Administrator.

Powers and Duties of Administrator.

Construe and interpret the provisions of this Agreement;

Adopt, amend or revoke rules and regulations for the administration of this Agreement, provided they are not inconsistent with the provisions of this Agreement;

Provide appropriate parties with such returns, reports, descriptions and statements as may be required by law, within the times prescribed by law and to make them available to the Insured (or the Insured’s Beneficiary) when required by law;

Take such other action as may be reasonably required to administer this Agreement in accordance with its terms or as may be required by law;

Withhold applicable taxes and file with the Internal Revenue Service appropriate information returns with respect to any payments and/or benefits provided hereunder;

Appoint and retain such persons as may be necessary to carry out its duties as administrator.

Dispute Over Benefits.

Written Claim. Claimant may file a written request for such benefit to the Administrator.

Claim Decision. Upon receipt of such claim, the Administrator shall respond to such claimant within ninety (90) days after receiving the claim. If the Administrator determines that special circumstances require additional time for processing the claim, the Administrator can extend the response period by an additional ninety (90) days for reasonable cause by notifying Claimant in writing, prior to the end of the initial ninety (90) day period, that an additional period is required. The notice of extension must set forth the special circumstances and the date by which the Administrator expects to render its decision.

The specific reasons for the denial;

The specific reference to pertinent provisions of the Agreement on which the denial is based;

A description of any additional information or material necessary for Claimant to perfect the claim and an explanation of why such material or information is necessary;

Appropriate information as to the steps to be taken if Claimant wishes to submit the claim for review and the time limits applicable to such procedures; and

A statement of Claimant’s right to bring a civil action under ERISA Section 502(a) following an adverse benefit determination on review.

Request for Review. Within sixty (60) days after receiving notice from the Administrator that a claim has been denied (in part or all of the claim), then Claimant (or their duly authorized representative) may file with the Administrator, a written request for a review of the denial of the claim.

Decision on Review. The Administrator shall respond in writing to Claimant within sixty (60) days after receiving the request for review. If the Administrator determines that special circumstances require an extension of time for processing the claim, written notice of the extension shall be furnished to Claimant prior to the termination of the initial sixty (60) day period. In no event shall such extension exceed a period of sixty (60) days from the end of the initial period. The notice of extension must set forth the special circumstances requiring an extension of time and the date by which the Administrator expects to render its decision.

The specific reasons for the denial;

A reference to the specific provisions of the Agreement on which the denial is based;

A statement that Claimant is entitled to receive, upon request and free of charge, reasonable access to, and copies of, all documents, records and other information relevant (as defined in applicable ERISA regulations) to Claimant’s claim for benefits; and

A statement of Claimant’s right to bring a civil action under ERISA Section 502(a).

Special Timing and Rules for Disability Claims. In the event a claim above is a claim for disability benefits, then the applicable time periods for notifying Claimant regarding benefit determinations shall be reduced as required by 29 CFR 2560.503-1. Thus, the Administrator shall provide notice to Claimant, within a reasonable period of time, but not later than forty five (45) days after receipt of the claim. This period may be extended by up to thirty (30) days, provided that the Administrator both determines that such an extension is necessary due to matters beyond the control of the plan and notifies Claimant, prior to the expiration of the initial forty five (45) day period, of the circumstances requiring the extension of time and the date by which the plan expects to render a decision. If, prior to the end of the first thirty (30) day extension period, the Administrator determines that, due to matters beyond the control of the plan, a decision cannot be rendered within that extension period, the period for making the determination may be extended for up to an additional thirty (30) days, provided that the Administrator notifies Claimant, prior to the expiration of the first thirty (30) day extension period, of the circumstances requiring the extension and the date as of which the plan expects to render a decision. In the case of any extension under this paragraph, the notice of extension shall specifically explain the standards on which entitlement to a benefit is based, the unresolved issues that prevent a decision on the claim, and the additional information needed to resolve those issues, and Claimant shall be afforded at least forty five (45) days within which to provide the specified information. In addition to complying with such timing rules, a claim under this paragraph shall comply with all procedural requirements under ERISA.

GENDER.

INSURANCE COMPANY NOT A PARTY TO THIS AGREEMENT.

SEVERABILITY AND INTERPRETATION.

APPLICABLE LAW.

EFFECT OF THE LIFE INSURANCE POLICY’S CONTESTABILITY CLAUSES.

AMENDMENT.