TORONTO – October 30, 2026 -- Quarterhill Inc. (TSX: QTRH; OTCQX: QTRHF) has repaid in full the CAD $57.5 million aggregate principal amount of its 6.0% convertible unsecured subordinated debentures, together with all accrued and unpaid interest, on the October 30, 2026 maturity date.

Computershare processed the payout as debenture trustee

Payment was handled through Computershare Trust Company of Canada, which acted as debenture trustee. The repayment retires the entire issue, leaving no principal outstanding on the instruments.

Toronto – October 15, 2026 -- Quarterhill Inc. (TSX: QTRH; OTCQX: QTRHF) has been selected as a subcontractor to BRiC-TPS, LLC on the Los Angeles County Metropolitan Transportation Authority's (Metro) new ExpressLanes Back Office System, in a subcontract valued at approximately $28.2 million.

Toronto – September 24, 2026 -- Quarterhill Inc. (TSX: QTRH) (OTCQX: QTRHF) has secured TOPAS 2505B registration for its TMB-13X multilane intersection radar, clearing the mandatory hurdle for deploying traffic signal detection technology in the United Kingdom.

TOPAS registration opens UK traffic signal market to Quarterhill's radar system

The approval allows Quarterhill to sell the TMB-13X to UK traffic signal controller manufacturers, system integrators and transport authorities. The product is now available for order.