AMENDMENT NO. 1 TO THE MERGER AGREEMENT Dated as of September 2, 1997 Nortek, Inc., a Delaware corporation ("Parent"), NTK Sub, Inc., a Delaware corporation and wholly owned subsidiary of Parent ("Sub") and Ply Gem Industries, Inc., a Delaware...The Merger Agreement • September 11th, 1997 • Nortek Inc • Air-cond & warm air heatg equip & comm & indl refrig equip
