1 Exhibit 10.5.3 AMENDMENT OF GUARANTY AGREEMENT AMENDMENT OF GUARANTY AGREEMENT, dated as of June 16, 2000, between NM Acquisition Corp., a Delaware corporation (the "New Guarantor") and the successor corporation to NEXTLINK Communications, Inc., a...Of Guaranty Agreement • August 14th, 2000 • Nextlink Communications Inc/New • Telephone communications (no radiotelephone) • Delaware
Contract Type FiledAugust 14th, 2000 Company Industry Jurisdiction