Business Wire·May 27, 2026, 8:00 AM ET

QT Imaging Set to Join the Russell Microcap® Index

QT Imaging Holdings, Inc. (NASDAQ: QTI) is expected to be added to the Russell Microcap® Index following the May 22, 2026, online posting of additions.
The inclusion will be finalized after the 2026 Russell indexes reconstitution \& effective at the U.S. market open on June 29, 2026.
The June 2026 reconstitution captures the 4,000 largest U.S. stocks ranked by total market capitalization as of April 30, 2026.
Membership in the Russell Microcap® Index enhances visibility within the investment community, broadens exposure to institutional investors, \& includes automatic membership in applicable Russell growth \& value style indexes.
Dr. Raluca Dinu, Chief Executive Officer of QT Imaging, stated that the expected inclusion reflects progress in executing the company's growth strategy.
FTSE Russell determines index membership based on objective market capitalization rankings \& style attributes, with approximately $21.2 trillion benchmarked to its indexes.
QT Imaging is a medical device company developing radiation-free imaging systems using low frequency sound waves, including its Breast Acoustic CT™ platform.
The press release contains forward-looking statements regarding the index inclusion, product commercialization, \& financial projections that are subject to risks \& uncertainties.