QT IMAGING HOLDINGS, INC.

The following discussion reflects the business of the Company. In this section, we, us, our, the Company or QT Imaging below generally refers to QT Imaging Holdings, Inc. and its subsidiaries. Background of the Business Combination On December 8, 2022, GigCapital5, Inc. ( GigCapital5 ), our legal predecessor company and a special purpose acquisition company which was incorporated in Delaware in 2021, entered into the Business Combination Agreement with its wholly owned subsidiary, QTI Merger Sub, Inc. ( Merger Sub ), and QT Imaging, Inc. When the transactions contemplated by the Business Combination Agreement (the Business Combination ) closed on March 4, 2024, Merger Sub merged with and into QT Imaging, Inc. with QT Imaging, Inc. the surviving company in such merger, and after giving effect to the Business Combination, QT Imaging, Inc. became a wholly owned subsidiary of GigCapital5, which was renamed as QT Imaging Holdings, Inc. QT Imaging, Inc. was incorporated in Delaware on December 31, 2020 by converting from its predecessor, QT Ultrasound LLC ( QT Ultrasound ), which was a limited liability company formed in 2012 to focus on the research, development, and commercialization of innovative body imaging systems using low energy sound. On that date, QT Ultrasound changed its name from QT Ultrasound LLC to QT Imaging, Inc. and revoked the limited liability company election status by the incorporation. QT Imaging is headquartered in Novato, California.