X0306 4/A 2023-01-24 2023-01-26 0001129155 MARINE PRODUCTS CORP MPX 0001130203 HUBBELL RICHARD A 2801 BUFORD HIGHWAY, NE SUITE 300 ATLANTA GA 30329 true true false false Executive Chairman of Board Common Stock, $.10 Par Value 2023-01-24 4 F false 1383 13.23 D 1214823 D Common Stock, $.10 Par Value 2023-01-24 4 A false 21750 A 1236573 D This amendment is being filed to correctly show shares were acquired (A) on January 24, 2023. Represents 21,750 shares of restricted stock that vest annually in 25 percent increments beginning in 2024. /s/ Richard A. Hubbell 2023-01-30