KIRBY CORP

The Company also operates in the United States coastal tank barge industry, operating tank barges in the 195,000 barrels or less category. This market is composed of approximately 20 large integrated transportation companies and small operators. The 195,000 barrels or less category coastal tank barge industry primarily provides regional marine transportation distribution of bulk liquid cargoes along the United States’ Atlantic, Gulf and Pacific coasts, in Alaska and Hawaii, and to a lesser extent, on the Great Lakes. Products transported are primarily refined petroleum products and black oil from refineries and storage facilities to a variety of destinations, including other refineries, distribution terminals, power plants and ships, the regional movement of crude oil and natural gas condensate to Gulf Coast, Northeast and West Coast refineries, and the movement of petrochemicals primarily from Gulf Coast petrochemical facilities to end users.

The number of coastal tank barges that operate in the 195,000 barrels or less category is approximately 260, of which the Company operates 28 or approximately 11%. The average age of the nation’s coastal tank barge fleet is approximately 17 years. The Company is aware of no specialized coastal articulated tank barge and tugboat units (“ATB”) that were delivered in 2025 and no further ATBs currently under construction. The coastal tank barge fleet has approximately 22 tank barges that are over 25 years old industry-wide, which could lead to retirement of these older tank barges.