EXHIBIT 4 --------- AMENDMENT No. 1 TO RIGHTS AGREEMENT THIS AMENDMENT No. 1, dated as of June 15, 1998 (this "Amendment"), is between BAY NETWORKS, INC., a Delaware corporation (the "Company"), and THE FIRST NATIONAL BANK OF BOSTON (the "Rights Agent").Rights Agreement • June 29th, 1998 • Bay Networks Inc • Computer communications equipment • Delaware
