# EDGAR Filing Document

**Accession Number:** 0000866273
**File Stem:** 0001140361-25-036003
**Filing Date:** 2025-9
**Character Count:** 2095
**Document Hash:** 0b660e7d7aa7f204a6223483cfcd0765
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-25-036003.hdr.sgml**: 20250924

**ACCESSION NUMBER**: 0001140361-25-036003

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20250924

**DATE AS OF CHANGE**: 20250924

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MATRIX SERVICE CO
- **CENTRAL INDEX KEY:** 0000866273
- **STANDARD INDUSTRIAL CLASSIFICATION:** CONSTRUCTION SPECIAL TRADE CONTRACTORS [1700]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 731352174
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-15461
- **FILM NUMBER:** 251338293

**BUSINESS ADDRESS:**
- **STREET 1:** 15 EAST 5TH STREET
- **STREET 2:** SUITE 1100
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74103
- **BUSINESS PHONE:** 9188388822

**MAIL ADDRESS:**
- **STREET 1:** 15 EAST 5TH STREET
- **STREET 2:** SUITE 1100
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74103

### UNITED STATES<br>

### SECURITIES AND EXCHANGE COMMISSION<br>

### WASHINGTON, D.C. 20549

### SCHEDULE 14A

#### Proxy Statement Pursuant to Section 14(a) of the<br>

#### Securities Exchange Act of 1934
Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement 

☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-(e)(2)) 

☐ Definitive Proxy Statement 

☒ Definitive Additional Materials 

☐ Soliciting Material Under §240.14a-12

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| **Matrix Service Company**  |
| **(Name of Registrant as Specified in Its Charter)** |

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| |
|:---|
| **N/A** |
| **(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)** |

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Payment of Filing Fee (Check the appropriate box):

☒ No fee required. <br> ☐ Fee paid previously with preliminary materials. <br> ☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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