Aecon reaches financial close on Ontario subway project

Executive Summary

• North End Connectors, a consortium in which Aecon Group Inc. holds a 33.3% interest, has reached financial close with Infrastructure Ontario and Metrolinx for the Yonge North subway extension advance tunnel project.
• The total contract value is $1.4 billion, with Aecon’s share valued at $477 million, which will be added to its construction segment backlog in the third quarter of 2025.
• The project involves designing and constructing a 6.3-kilometer tunnelled segment, launch and extraction shafts, and headwalls for emergency exit buildings and stations, extending the TTC's Line 1 subway service approximately eight kilometers from Finch Station to the York region.

Key Details

• Contract Value: Total contract valued at $1.4 billion.
• Aecon Share: Aecon’s portion of the contract is $477 million.
• Backlog Impact: The $477 million will be added to Aecon’s construction segment backlog in the third quarter of 2025.
• Consortium Structure: North End Connectors comprises Aecon (33.3% interest), FCC Construccion, and Ghella.
• Project Scope:
  • Design and construction of an approximately 6.3-kilometer tunnelled segment.
  • Construction of launch and extraction shafts.
  • Construction of headwalls for emergency exit buildings and stations.
  • Supply of tunnel boring machines.
  • Installation of tunnel liners and other supporting activities.
• Project Location & Impact: Extends the TTC's Line 1 subway service approximately eight kilometers from the existing terminus at Finch Station in Toronto to the York region, serving communities in Markham, Vaughan, and Richmond Hill.
• Previous Disclosure: Aecon previously disclosed this addition to backlog in its second quarter 2025 financial results, released on July 31, 2025.

Notable Quotes

• "This transformative subway extension will improve access to transit for local residents, reduce travel times, support economic growth and help to meet the needs of growing populations along the alignment," said Jean-Louis Servranckx, president and chief executive officer, Aecon Group.
• "Together with our partners, we look forward to bringing our expertise in safely and successfully delivering major transit tunnelling projects to connect communities in the Greater Toronto Area while working collaboratively with Infrastructure Ontario and Metrolinx," said Thomas Clochard, executive vice-president, civil and nuclear, Aecon Group.