Aecon named one of Canada’s Best Employers for fifth consecutive year

Toronto, Ontario – October 24, 2011: Aecon Group Inc. (TSX: ARE) announced today that it has been named one of the Best Employers in Canada for 2012 in an annual study conducted by Aon Hewitt. Results will appear in the October 31 issue of Maclean’s magazine and in the November 3 edition of La Presse.

This is Aecon’s fifth consecutive year on the Best Employers list, considered the premier recognition for top employers in Canada. The list is a direct result of survey responses from more than 112,000 employees across Canada.

“This is great news,” said John Beck, Chairman and CEO of Aecon. “Making the list for the fifth consecutive year is a good indication that our efforts to attract and retain the best employees are paying off. In today’s competitive environment, this prestigious recognition speaks volumes to potential employees as well as to our existing employees who can now add one more reason to why they are proud to work at Aecon.”

Aecon Group Inc. is one of Canada’s largest and most diverse construction and infrastructure development companies. Aecon and its subsidiaries provide services to private and public sector clients throughout Canada and on a selected basis internationally. Aecon is pleased to be recognized as one of the Best Employers in
Canada.