X0306 4 2021-05-03 0000003453 Matson, Inc. MATX 0001552605 Forest Ronald J 1411 SAND ISLAND PARKWAY HONOLULU HI 96819 1 President Common Stock 2021-05-03 4 S 0 2500.0000 66.5467 D 78075.8292 D Common Stock 1551.0810 I By 401k The sale of shares reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2020. This transaction was executed in multiple trades at prices ranging from $66.05 to $66.93. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Ronald J. Forest 2021-05-03