Exhibit 4 ASSIGNMENT AND ASSUMPTION AGREEMENT PURSUANT TO PLEDGE AND SECURITY AGREEMENT This ASSIGNMENT AND ASSUMPTION AGREEMENT (this "AGREEMENT") is made and entered into as of July 25, 1997 by and among ITC/\DELTACOM, INC., a Delaware corporation...Assignment and Assumption Agreement • August 14th, 1997 • Itc Deltacom Inc • Telephone communications (no radiotelephone) • New York
Exhibit 2.1 AGREEMENT AND PLAN OF MERGER THIS AGREEMENT AND PLAN OF MERGER ("Merger Agreement") is entered into as of July 24, 1997 by and between EASTERN TELECOM INC., a Georgia corporation ("ETI"), and INTERSTATE FIBERNET, INC., a Delaware...Merger Agreement • August 14th, 1997 • Itc Deltacom Inc • Telephone communications (no radiotelephone) • Georgia
Exhibit 2.3 STOCK ASSIGNMENT AND CONTRIBUTION AGREEMENT This STOCK ASSIGNMENT AND CONTRIBUTION AGREEMENT (this "AGREEMENT") is made and entered into as of July 25, 1997 by and between ITC HOLDING COMPANY, INC., a Delaware corporation ("ITC Holding");...Stock Assignment and Contribution Agreement • August 14th, 1997 • Itc Deltacom Inc • Telephone communications (no radiotelephone) • Delaware
