Inventories are as follows:

Maintenance materials exclude certain materials of $5.1 and $4.8 million as of December 31, 2025 and 2024, respectively, that are not expected to be consumed within the next twelve months. These amounts are classified under other inventories in the Consolidated Balance Sheets. Finished goods are shown at net realizable amount which includes write downs for obsolescence of $0.3 million and $0.2 million as of December 31, 2025 and 2024.

In September 2024, the Company incurred loss due to fire in one of its leased warehouses. As a result of the incident, the Company wrote off approximately $0.8 million of inventory, which was fully recovered from the insurance.