Exhibit (a)(1)

CERTIFICATE OF TRUST

OF

RIMROCK FUNDS Trust

This Certificate of Trust of Rimrock Funds Trust (the “Trust”), a statutory trust to be registered under the Investment Company Act of 1940, as amended, executed by the undersigned Trustee, and filed under and in accordance with the provisions of the Delaware Statutory Trust Act (12 Del. C. § 3801 et seq.) (the “Act”), sets forth the following:

FIRST: The name of the statutory trust formed hereby is: Rimrock Funds Trust.

SECOND: As required by Sections 3807 and 3810 of the Act, the business address of the registered office of the Trust and of the registered agent of the Trust for service of process is:

The Corporation Trust Company

1209 Orange Street

Wilmington, Delaware 19801

New Castle County

THIRD: Subsequent to the filing of this Certificate of Trust and prior to or within 180 days following the first issuance of beneficial interests, the Trust will register with the United States Securities and Exchange Commission as an open-end management investment company under the Investment Company Act of 1940, as amended (15 U.S.C. §§ 80a-1 et seq.).

FOURTH: This Certificate of Trust shall be effective upon filing.

FIFTH: Pursuant to Section 3804 of the Act, the debts, liabilities, obligations, costs, charges, reserves and expenses incurred, contracted for or otherwise existing with respect to a particular series, whether such series is now authorized and existing pursuant to the governing instrument of the Trust or is hereafter authorized and existing pursuant to said governing instrument, shall be enforceable against the assets of such series only and not against the assets of the Trust generally or any other series thereof. Except as otherwise provided in or pursuant to the governing instrument of the Trust, none of the debts, liabilities, obligations, costs, charges, reserves and expenses incurred, contracted for or otherwise existing with respect to the Trust generally or any other series thereof shall be enforceable against the assets of such series.

IN WITNESS WHEREOF, the undersigned, as the Trustee of the Trust, has caused this Certificate of Trust to be duly executed as of this 1^st day of August 2018.

/s/ Scott Dubchansky

Name: Scott Dubchansky

Title: Trustee