HARBOR DIVERSIFIED, INC.

General Harbor is a non-operating holding company that was the parent of a consolidated group of subsidiaries. Until January 9, 2026, its subsidiary AWAC Aviation, Inc. was the sole member of Air Wisconsin Airlines LLC, an air carrier. General Harbor also had three other direct subsidiaries: Lotus Aviation Leasing, LLC, which leased flight equipment to Air Wisconsin; Air Wisconsin Funding LLC, which provided flight equipment financing to Air Wisconsin; and Harbor Therapeutics, Inc., a non-operating entity with no material assets. On January 9, 2026, General Harbor completed the disposition of all its aviation assets, including its membership interests in Air Wisconsin. Prior to this disposition, General Harbor consolidated Air Wisconsin for financial statement purposes. From its formation in 1965 until April 3, 2025, Air Wisconsin primarily operated as a regional airline. It was affiliated with major airlines, providing short and medium haul scheduled flights that connected smaller communities with larger cities, acting as a "feeder" for major airlines' domestic and international hubs. From March 2023 until April 3, 2025, Air Wisconsin provided regional airline services for American Airlines, Inc.