AAON INC

Our manufacturing areas are heavy industrial type buildings, with some coverage by overhead cranes, containing manufacturing equipment designed for sheet metal fabrication, metal stamping and tube forming. The manufacturing equipment contained in the facilities consists primarily of automated sheet metal fabrication equipment, supplemented by presses and tube bending equipment. Assembly lines consist of cart-type and roller-type conveyor lines with variable line speed adjustment. Subassembly areas and production line manning are based upon line rates set by production management.

We own and lease our properties and facilities, as further described below. We believe that all of our facilities are well maintained and are in good condition and suitable for the conduct of our business.

AAON Oklahoma

Our plant and office facilities in Tulsa, Oklahoma, consist of a 342,000 square foot building (327,000 square feet of manufacturing/warehouse space and 15,000 square feet of office space) located on a 12-acre tract of land at 2425 South Yukon Avenue. Additionally we own a 940,000 square foot manufacturing/warehouse building and a 70,000 square foot office building located on an approximately 79-acre tract of land across the street from the original facility (2440 South Yukon Avenue) and a 40,000 square foot building used as warehouse space located on a 6-acre tract.

In 2023, we acquired an additional 17-acre tract of land adjacent to the east side of the current 12-acre tract. We also lease a 198,000 square foot warehouse space which is used for additional inventory storage in Tulsa, Oklahoma.

In addition to a retail parts store location at our Tulsa facilities, we also own a 13,500 square foot stand alone building (7,500 square foot warehouse and 6,000 square foot office) which is utilized as an additional retail parts store to provide our customers more accessibility to our products. The stand alone parts store building is on approximately one acre and is located at 9528 E 51st St in Tulsa, Oklahoma.

Our Tulsa location is also home to our engineering research and development laboratory, the NAIC. The three-story, 134,000 square foot stand alone facility is both an acoustical and a performance measuring laboratory. This facility currently consists of twelve test chambers, allowing AAON to meet and maintain industry certifications. This facility is located west of the 940,000 square foot manufacturing/warehouse building at 2440 South Yukon Avenue.

In 2023, we opened our Exploration Center at our Tulsa location. The Exploration Center is a 28,000 square foot facility located adjacent to the NAIC. The Exploration Center provides an immersive and educational experience of our products, solutions and our people and also serves as an event hub for our stakeholders, including our customers, employees, representatives and investors. The Exploration Center adds a dimension of customer engagement that showcases our products and our competitors' products and allows our customers to interact with our employees.

Our operations in Parkville, Missouri, are conducted in a leased plant/office at 8500 NW River Park Drive. This location is home to our Controls design and manufacturing facilities. In October 2022, we modified the existing lease to increased our manufacturing and office space to approximately 86,000 square feet. During mid-2023, we began utilizing this additional space for manufacturing operations.

AAON Coil Products

Our plant and office facilities in Longview, Texas, consist of a 263,000 square foot building (256,000 square feet of manufacturing/warehouse space and 7,000 square feet of office space) located on a 13-acre tract of land, a 222,000 square foot building (210,000 square feet of manufacturing/warehouse space and 12,000 square feet of office space) located on an approximately 22-acre tract of land, and a 5,000 square foot building utilized as a retail parts store which we lease to a Representative of the Company. All of these facilities are located on Gum Springs Road.

In January 2023, we purchased additional real property and improvements consisting of 64,000 square feet of warehouse space located on a 10-acre tract of land at 115 Kodak Boulevard in Longview, Texas.

In April 2023, we broke ground on an expansion to our 222,000 square foot building. The expansion consists of 237,500 square feet of office and manufacturing space that will be dedicated to unit production. We expect that we will be able to utilize this space in late 2024.

BASX

Our operations in Redmond, Oregon, are conducted in a plant/office at 3500 SW 21st Place, containing approximately 194,000 square feet (169,000 square feet of manufacturing/warehouse space and 25,000 square feet of office space) on a 13-acre tract of land.

In August 2022, we purchased additional real property of approximately one-acre adjacent to the plant/office at 3500 SW 21st Place, to facilitate future growth of our operations. In the third quarter of 2023, we broke ground on an approximate 30,000 square foot fabrication facility residing on the one-acre tract of land. We expect to be in operation in this facility in late 2024.

We lease several properties near our main Redmond, Oregon location. In the aggregate, these properties contain approximately 104,500 square feet of additional warehouse space. Additionally, we lease an office of approximately 4,000 square feet located at 1725 Blankenship Road, West Linn, Oregon.