Tree Island Steel Announces the Retirement of Nancy Davies and Appointment of a New Chief Operating Officer

VANCOUVER, British Columbia, Canada ‐ August 28, 2026 ‐ Tree Island Steel (”Tree Island” or the ”Company”) (TSX: TSL) announces the upcoming retirement of Chief Operating Officer, Nancy Davies, effective October 1, 2026. Following a planned succession process, the Company is pleased to announce the appointment of Brian Liu as Chief Operating Officer, effective the same day.

Ms. Davies joined Tree Island Steel in 2008 and became Vice President, Finance and Chief Financial Officer in 2011 and Chief Operating Officer in 2023. Under her leadership, Tree Island Steel strengthened its financial reporting and controls, completed strategic acquisitions, divestitures and operational consolidations, and navigated through varying market cycles, including the Great Financial Crisis and the recent U.S. tariffs. Ms. Davies commented, “It has been a privilege working with the dedicated employees at Tree Island and I am proud of what we have built together.”

Mr. Liu joined Tree Island in 2016 and has held various leadership positions in business transformation, corporate development, procurement, transportation and logistics, and in finance and accounting. Mr. Liu was appointed Chief Financial Officer and Vice President, Finance in 2023. He will also continue to serve as Chief Financial Officer and Vice President, Finance until a replacement is appointed. The Company is undertaking a recruiting process for the role.

“We are grateful for Nancy’s many years of dedicated service and leadership and the impact she has made on Tree Island, including a culture of safety, quality, and customer service. We wish her the very best in her retirement,” said Amar S. Doman, Executive Chair of Tree Island Steel. “The board of directors and I also look forward to working closely with Brian in his new role,” Mr. Doman continued.