Investor Presentaiton

Summary of Opportunities Difficulty Opportunity Air Hub Operations Low Other Transportation-based Business Time to Length of Value Less than 3 Years Investment Level Financial Benefit Low High Greater than Liquified Natural Gas High High 3 Years Very High Greater than Roosevelt Roads High High Very High 3 Years San Juan "Graving Dock" Moderate Less than 1 Year Low High Port Community System Low Less than 1 Year Moderate Moderate Reuse of Dredge Material Moderate Less than 2 Years High Very High Research and Training Center Less than 2 Low Low Moderate Years SEABURY MARITIME 54

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