Dominion Bridge Reduces Loan Facility.

MONTREAL--(BUSINESS WIRE)--March 21, 1997--Dominion Bridge Corporation (NASDAQ/NNM:DBCO;VSE:DMO.U), today announced the prepayment of US$10 million of the company's US$30 million bridge loan facility with Bankers Trust Credit Corporation ("BTCC"). The proceeds from the Company's recently completed sale of 6 million shares of McConnell Dowell Corporation ("MDC") common stock at AU$2.25 were used to reduce the outstanding principal balance to US$20 million. Dominion Bridge has confirmed that it will not further reduce their 65% holding in MDC. The company and Bankers Trust are currently reviewing several options for repayment of the balance of the loan due April 29, 1997.

Michel L. Marengere, chairman and chief executive officer of Dominion Bridge Corporation noted, "While the proceeds were used to reduce the bridge loan, we believe we have achieved our primary objective to increase MDC's liquidity and market visibility." The placement of these shares to 20 institutions has generated substantial interest in MDC in the Australian/New Zealand stock markets, according to SBC Warburg and County NatWest, the placement agents. As a result of this offering, SBC Warburg and County NatWest have also generated research coverage of MDC.

DOMINION BRIDGE CORPORATION, a Delaware corporation, is an international engineering infrastructure company, employing advanced materials technology with operations and projects in North America, Europe and Asia Pacific. -0- This news release is neither approved nor disapproved by the Vancouver Stock Exchange.

CONTACT: Dominion Bridge Corporation

Eric Boyd, 514/634-3550

John Dutton, 213/630-4401