Matson Results Presentation Deck

Guam Service First Quarter 2023 Performance • Container volume decreased 10.9% YoY primarily due to lower retail-related demand - 1Q23 volume 3.9% lower than volume achieved in 1Q19 8 Preliminary First Quarter 2023 Earnings Supplement 6,000 5,500 5,000 4,500 4,000 3,500 3,000 Container Volume (FEU Basis) Q1 (10.9)% Q2 12022 2023 Q3 Q4 Matson.

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