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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
_________________
FORM 8-K
__________________
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported) August 22, 2025
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Matrix Service Company
(Exact Name of Registrant as Specified in Its Charter)
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Delaware |  | 001-15461 |  | 73-1352174
(State or Other Jurisdiction of Incorporation) |  | (Commission File Number) |  | (IRS Employer Identification No.)

15 East 5th Street, Suite 1100, Tulsa, Oklahoma 74103
(Address of principal executive offices and zip code)
918-838-8822
(Registrant’s Telephone Number, Including Area Code)
NOT APPLICABLE
(Former Name or Former Address, if Changed Since Last Report)
__________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class | Trading Symbol(s) | Name of each exchange on which registered
Common Stock, par value $0.01 per share | MTRX | NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Act of 1934 (17 CFR §240.12b-2).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected to not use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 1.01 Entry into a Material Definitive Agreement.
On August 22, 2025, Matrix Service Company (the “Company”) entered into the Fourth Amendment to Credit Agreement and Joinder (the “Amendment”), which amended the Company’s Credit Agreement, dated as of September 9, 2021 with Bank of Montreal, as Administrative Agent, Swing Line Lender and a Letter of Credit Issuer (as amended by the Amendment, the “Credit Agreement”). The Amendment (i) extends the maturity date of the Credit Agreement from September 9, 2026 to September 9, 2029, (ii) extends the deadline for the Company to request a $15,000,000 increase in the commitments under the Credit Agreement to August 22, 2028, the three year anniversary of the closing of the Amendment, and (iii) adds certain additional Company subsidiaries as guarantors under the Credit Agreement.

Item 9.01 | Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No. |  | Description
10.1 |  | Fourth Amendment to Credit Agreement and Joinder dated August 22, 2025 by and among, Matrix Service Company and certain subsidiaries thereof, certain financial institutions as lenders, and Bank of Montreal, as administrative agent.
104 |  | Cover Page Interactive Data file (embedded within the Inline XBRL Document)

SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

|  | Matrix Service Company
Dated: August 22, 2025 |  | By: |  | /s/ Kevin S. Cavanah
|  |  |  | Kevin S. Cavanah
|  |  |  | Vice President and Chief Financial Officer