Strategic Rationale for Tidewater's Acquisition of SPO Fleet

Pro Forma Fleet Composition and Age Profile T SPO Fleet Overview Pro Forma Fleet Composition and Age Profile Tidewater Fleet Overview PSVs PSVs Deck Size <700m² Vessel Count Average Age 3 14.1 years 700 - 900m² 10 5.2 years >900m² 8 8.5 years Deck Size <700m² 700 - 900m² >900m² Vessel Count 21 7.7 years 28 20 Average Age 13.6 years Deck Size 35 9.8 years <700m² 700-900m² 23 45 Pro Forma Tidewater Fleet Overview PSVs Vessel Count | Average Age 13.7 years 8.8 years 35 90 9.3 years >900m² 43 9.1 years 10.4 years 111 9.9 years AHTSS AHTSS AHTSS BHP 4 - 8K 8 - 12K Vessel Count Average Age 8 11 13.5 years BHP 4-8K Vessel Count Average Age 14.1 years 8-12K 8 12-16K - >16K 10 8.3 years 12-16K >16K 29 11.9 years Total 50 10.2 years Large OSVS 28 7.2 years 205- 220 12.3 years 12.8 years 13.1 years 10.0 years BHP 4-8K 8-12K 12-16K >16K Vessel Count 2251 28 19 Average Age 12.7 years 13.6 years 13.1 years 11 8.5 years 63 12.2 years 34 12.5 years 174 10.8 years 124 11.0 years 104 9.1 years 76 9.8 years SPO Acquisition Improves Pro Forma Tidewater Vessel Age Profile, Particularly in Large PSVs and AHTSs Note: Vessel ages per company information and Vessels Value. Total vessel count for TDW includes assets booked as AHFS. Only reflects PSVS and AHTS. 14 tdw.com

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