Ms. Meghan MacEachern reports

MATTR REPORTS VOTING RESULTS FROM ANNUAL MEETING

In accordance with Toronto Stock Exchange requirements, Mattr Corp. has released the voting results from its annual meeting held May 14, 2026, in Toronto, Ont.

A total of 40,658,516 common shares were voted at the meeting representing 66.25 per cent of the votes attached to all outstanding shares. Shareholders voted in favour of all items of business before the meeting, including the election of all director nominees as shown in the attached table.

"I appreciate the continued strong support of Mattr's shareholders for both our strategic direction and our experienced board, whose oversight remains integral to our long-term success," said Mike Reeves, Mattr's president and chief executive officer. "As we continue to scale output from our newer facilities, advance customer adoption of our differentiated technologies, and integrate and expand the AmerCable business, we believe Mattr is well positioned to build on our momentum and deliver sustained value for shareholders."

Detailed voting results for the meeting are available on SEDAR+.

About Mattr Corp.

Mattr is a growth-oriented, global materials technology company serving critical infrastructure markets, including electrification, transportation, mining, energy, communication and water management. Its two business segments, Connection Technologies and Composite Technologies, enable responsible renewal and enhancement of critical infrastructure.