Aecon Group Inc. today announced that its wholly-owned subsidiary, Innovative Steam Technologies (IST), has been awarded a contract by the Riverbay Corporation to supply two Once Through Steam Generators (OTSGs) for a power plant project in Bronx, New York.

Aecon Group Inc. today announced that the Quito Airport concession, in which Aecon holds a 45.5% economic interest, is in full effect and the airport is now being run to the financial benefit of the concessionaire.

Aecon Group Inc. today announced that Derech Eretz Highways Ltd. (DEC), the company owning concession rights for the Cross Israel Highway, has signed an agreement with the state of Israel giving DEC the concession rights for a 17 km extension of the highway in northern Israel.

Aecon Group Inc. announced today that a joint venture in which its Industrial division is a 50% partner has secured a $204 million contract at Bruce Power's 'Bruce A' generating station.

Aecon Group Inc. today announced that its wholly-owned subsidiary, Innovative Steam Technologies (IST), has been awarded a contract by the Puerto Rico Electric Power Authority totaling $9.75 million.

Aecon Group Inc. today reported improved operating results from continuing operations in the third quarter and first nine months of 2005 compared to the same periods last year.

Aecon Group Inc. (TSX: ARE) today announced several new projects awarded to its Buildings Division in Ottawa, Montreal, Halifax and Seattle worth approximately $50 million Cdn.

Aecon Group Inc. today announced that its wholly-owned subsidiary Innovative Steam Technologies (IST) was awarded a contract in July 2005 to design and fabricate a once-through-steam-generator (OTSG) for South Africa's first combined-cycle cogeneration project.

Aecon Group Inc. today announced that its Aecon Civil and Utilities division has been awarded a $59.8 million contract by the Ministry of Transportation of Ontario ("MTO") for work on the Queen Elizabeth Way ("QEW") in the Hamilton area.

Aecon Group Inc. today announced that Scott Balfour has been appointed President of the company. Mr. Balfour, who has been Aecon's Executive Vice President and CFO since 1999, will now assume executive leadership of Aecon's operating divisions, reporting to Chairman and CEO, John M. Beck, who continues as Chairman and CEO.

Aecon Group Inc. today announced the signing of financing documents among Aecon, its concession partners and the project lenders for the new Quito International Airport project.

Aecon Group Inc. today reported improved operating results from continuing operations in the second quarter and first half of 2005 compared to the same periods last year.

Aecon Group Inc. announced today that its Quebec-based Buildings division, Aecon-Cegerco, has secured contracts from two different clients in the Montreal area worth over a combined $20 million.

Aecon Group Inc. today announced that its Civil and Utilities division has successfully negotiated a series of contracts with Expertech Network Installation Inc. These new renewable contracts take effect September 2005.

Aecon Group Inc. today announced its Atlantic Buildings group was awarded a Construction Management contract for the $25.5 Million Applied Science Building Renewal Project at Saint Mary's University, Halifax, Nova Scotia.

Aecon Group Inc. today announced its wholly owned subsidiary Innovative Steam Technologies (IST) was awarded a contract to supply its 100th once through steam generator (OTSG) to Nar Enerji in Cerkezkoy, Turkey.

Aecon Group Inc. today reported an improvement in operating results from continuing operations in the first quarter of 2005 compared to the first quarter of 2004.

Aecon Group Inc. today announced that it has secured a $17.5 million contract from the Ontario Ministry of Transportation to complete a portion of a four-lane highway from Parry Sound to Sudbury in a 50/50 joint venture with Leo Alarie and Sons Ltd.

Aecon Group Inc. today announced that Aecon Buildings has been awarded a $57 million general contract to construct Phase 2 of the University of Guelph's new Science Complex.

Aecon Group Inc. today announced that its Industrial division has secured three key industrial projects in Alberta valued at approximately $60 million.

Aecon Group Inc. today announced the appointment of two additional independent directors, Mr. Austin Beutel and the Hon. Brian Tobin, to the Aecon Board.

Aecon Group Inc. today announced that its Cambridge, Ontario-based Industrial division has received its nuclear certificate of authorization from the Technical Standards and Safety Authority (TSSA).

Aecon Group Inc. today announced that its Seattle, Washington based Buildings division has secured a construction management contract for a $15.3 million project for the Silver Reef Hotel and Casino in Ferndale Washington.

Aecon Group Inc. reported today that it has been fined $300,000 in relation to a natural gas explosion at a Windsor jobsite in April, 2003 that severely injured two Aecon employees, one of whom later died of his injuries.