HIL Hill International Inc

The following constitutes the Amendment No. 4 to the Schedule 13D filed by the undersigned (the “Amendment No. 4”). This Amendment No. 4 amends the Schedule 13D as specifically set forth herein.

Item 2 is hereby amended and restated to read as follows:

(a)       This statement is filed by:

Each of the foregoing is referred to as a “Reporting Person” and collectively as the “Reporting Persons.”

(b)       The principal business address of each of Engine Capital, Engine Jet, Engine Airflow, Engine Management, Engine GP, Engine Investments, Engine Investments II, and Mr. Ajdler is 1345 Avenue of the Americas, 33rd Floor, New York, New York 10105.

(c)       The principal business of each of Engine Capital, Engine Jet and Engine Airflow is investing in securities. Engine Management is the investment manager of each of Engine Capital, Engine Jet and Engine Airflow. Engine GP serves as the general partner of Engine Management. Engine Investments serves as the general partner of each of Engine Capital and Engine Jet. Engine Investments II serves as the general partner of Engine Airflow. Mr. Ajdler serves as the managing partner of Engine Management and the managing member of each of Engine GP, Engine Investments and Engine Investments II.

(d)       No Reporting Person has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

(e)       No Reporting Person has, during the last five years, been party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

(f)       Mr. Ajdler is a citizen of Belgium.

Item 3 is hereby amended and restated to read as follows:

The Shares purchased by each of Engine Airflow, Engine Capital, and Engine Jet were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases. The aggregate purchase price of the 465,064 Shares directly and beneficially owned by Engine Airflow is approximately $2,549,492, including brokerage commission. The aggregate purchase price of the 2,779,054 Shares directly and beneficially owned by Engine Capital is approximately $12,024,694, including brokerage commissions. The aggregate purchase price of the 2,201,138 Shares directly and beneficially owned by Engine Jet is approximately $10,962,209, including brokerage commissions.

The 244,365 Shares held directly by Mr. Ajdler were awarded to him in his capacity as a director of the Issuer.

Item 4 is hereby amended to add the following:

On August 16, 2022, Global Infrastructure Solutions Inc., a Delaware corporation (“Parent”), Liberty Acquisition Sub Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“Merger Sub”), and the Issuer entered into an Agreement and Plan of Merger (the “Merger Agreement”) pursuant to which, upon the terms and subject to the conditions set forth in the Merger Agreement, (i) Parent has agreed to cause Merger Sub to commence a cash tender offer (the “Offer”) to purchase all of the outstanding Shares (such amount, or any other amount per Share paid in the Offer in accordance with the Merger Agreement, the “Offer Price”), and (ii) following the consummation of the Offer, Merger Sub will be merged with and into the Issuer with the Issuer continuing as the surviving corporation (the “Merger”), on the terms and subject to the conditions set forth in the Merger Agreement.

Concurrently with the execution of the Merger Agreement, the Reporting Persons entered into a Tender and Support Agreement with Parent and Merger Sub (the “Tender and Support Agreement”) pursuant to which the Reporting Persons agreed, among other things, to vote against other proposals to acquire the Company and, subject to certain exceptions, to tender their Shares pursuant to the Offer. The Tender and Support Agreement terminates in certain circumstances, including in connection with (i) the Board’s determination to change its recommendation with respect to the Transactions (as defined in the Merger Agreement) and (ii) any modification or amendment to, or the waiver of any provision of, the Merger Agreement as in effect on the date of the Tender and Support Agreement or the Offer that is effected, in either case, without the written consent of the Reporting Persons, that decreases the amount, or changes the form or terms of consideration payable for their Shares pursuant to the Merger Agreement or adversely affects the rights of the Reporting Persons.

The foregoing summary description of the Tender and Support Agreement does not purport to be complete and is qualified in its entirety by reference to the Tender and Support Agreement attached hereto as Exhibit 99.1 and incorporated herein by reference.

Items 5(a)-(c) are hereby amended and restated to read as follows:

The aggregate percentage of Shares reported owned by each person named herein is based upon 57,172,994 Shares outstanding as of August 1, 2022, which is the total number of Shares outstanding as reported in the Issuer’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 9, 2022.

Percentage: Less than 1%

Percentage: Approximately 5.05%

Percentage: Approximately 3.85%

Percentage: Approximately 9.72%

Percentage: 9.72%

Percentage: Approximately 8.90%

Percentage: Less than 1%

Percentage: Approximately 10.14%

Each Reporting Person, as a member of a “group” with the other Reporting Persons for the purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, may be deemed the beneficial owner of the Shares directly owned by the other Reporting Persons. Each Reporting Person disclaims beneficial ownership of such Shares except to the extent of his or its pecuniary interest therein.

Item 6 is hereby amended to add the following:

On July 6, 2022, Mr. Ajdler was granted 43,103 deferred stock units pursuant to the Issuer's 2017 Equity Compensation Plan, which vest upon Mr. Ajdler’s retirement or termination of service from the Board. On July 1, 2022, Mr. Ajdler was granted 7,267 deferred stock units pursuant to the Issuer's 2017 Equity Compensation Plan, which vest upon Mr. Ajdler’s retirement or termination of service from the Board.

On August 16, 2022, the Reporting Persons and the Issuer entered into the Tender and Support Agreement as defined and described in Item 4 above and attached as Exhibit 99.1 hereto.

Item 7 is hereby amended to add the following exhibit:

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: August 18, 2022