144 0001519321 XXXXXXXX LIVE 0000866273 MATRIX SERVICE CO 001-15461 15 EAST 5TH STREET SUITE 1100 TULSA OK 74103 9188388822 HEWITT JOHN R Officer Director COMMON BOK Financial-Pershing LLC

One Williams Center Plaza NE Tulsa OK 74172

10000 129900.00 27304734 03/20/2024 NASDAQ COMMON 08/26/2018 STOCK AWARD ISSUER N 2094 08/26/2018 COMPENSATION COMMON 08/29/2019 STOCK AWARD ISSUER N 7906 08/29/2019 COMPENSATION Y 03/20/2024 /s/ John R. Hewitt