KIRBY CORP

KMT is primarily a provider of transportation services by tank barge for the inland and coastal markets. As of December 31, 2023, the equipment owned or operated by KMT consisted of 1,076 inland tank barges with 23.7 million barrels of capacity, and an average of 281 inland towboats during the fourth quarter of 2023, as well as 28 coastal tank barges with 2.9 million barrels of capacity, 25 coastal tugboats, four offshore dry-bulk cargo barges, four offshore tugboats and one docking tugboat with the following specifications and capacities:

The 281 inland towboats, 25 coastal tugboats, four offshore tugboats and one docking tugboat provide the power source and the 1,076 inland tank barges, 28 coastal tank barges and four offshore dry-bulk cargo barges provide the freight capacity for KMT. When the power source and freight capacity are combined, the unit is called a tow. The Company’s inland tows generally consist of one towboat and from one to up to 25 tank barges, depending upon the horsepower of the towboat, the waterway infrastructure capacity and conditions, and customer requirements. The Company’s coastal and offshore tows primarily consist of one tugboat and one tank barge or dry-bulk cargo barge.