EXHIBIT 10.4 WESTOWER HOLDINGS LTD. WESTOWER COMMUNICATIONS LTD. CREDIT AGREEMENT Dated as of June 9, 1998 BANKBOSTON, N.A., Agent BANCBOSTON SECURITIES INC., Syndication Agent and Manager TABLE OF CONTENTSCredit Agreement • January 25th, 1999 • Westower Corp • Water, sewer, pipeline, comm & power line construction • Massachusetts
