X0609 4 2026-08-25 0 0000866273 MATRIX SERVICE CO MTRX 0001682712 SHEETS JUSTIN D false 15333 JOHN F KENNEDY BOULEVARD SUITE 400 HOUSTON TX 77032 0 1 0 0 SVP, Enterprise Services 0 Common Stock 2026-08-25 4 A 0 8939 0 A 73276 D Restricted Stock Units 2026-08-25 4 A 0 8939 0 A 2027-08-25 2029-08-25 Common Stock 8939 8939 D Restricted Stock Unit - each unit will entitle the reporting person to one share of Matrix Service Company Common Stock if and when the conditions of the restriction have been satisfied. For this grant, one-third will vest each year for the next three years on the anniversary dates. Each Restricted Stock Unit is the economic equivalent of one share of Matrix Service Company Common Stock. All Restricted Stock Units are settled solely in Cash when vested. Each unit will entitle the reporting person to the Cash equivalent of one share of Matrix Service Company Common Stock if and when the conditions of the restriction have been satisfied. For this grant, one-third will vest each year for the next three years on the anniversary dates. Justin D. Sheets 2026-08-27