Quarterhill Announces Participation in Upcoming Investor Conferences

• 14^th Annual ROTH Technology Conference, Hard Rock Hotel, New York, New York – November 19, 2025.
• 17^th Annual TD Cowen Technology Conference, TD Tower, Toronto, Ontario – November 24-25, 2025.

Please contact your ROTH or TD Cowen sales representative to book a meeting with Mr. Myers and Mr. Charron.

About Quarterhill
Quarterhill is a global leader in the Intelligent Transportation System (ITS) industry, advancing mobility through smart infrastructure solutions that reduce congestion, improve roadway safety, and create more sustainable travel. Each year, Quarterhill's platforms process billions of transactions, perform compliance and safety inspections on millions of commercial vehicles, and enable transportation agencies worldwide to optimize thousands of lanes of traffic to improve travel for everyone. Leveraging advanced artificial intelligence and machine learning technologies, Quarterhill's platform delivers automation and predictive insight to help agencies manage transportation networks more efficiently. By working in close partnership with governments, communities, and industry leaders, Quarterhill is building today's connected roadways while shaping the next generation of intelligent, resilient mobility. Quarterhill is listed on the TSX under the symbol QTRH and on the OTCQX Best Market under the symbol QTRHF. For more information, please visit: www.quarterhill.com