Exhibit 4.3 AMENDMENT NO. 2 TO RIGHTS AGREEMENT This AMENDMENT NO. 2 TO RIGHTS AGREEMENT (the "Amendment") is entered into as of this 8th day of June, 1998, by and between Dominion Bridge Corporation, a Delaware corporation (the "Company"), and...Rights Agreement • June 12th, 1998 • Dominion Bridge Corp • Heavy construction other than bldg const - contractors
