1 CONFORMED COPY ============================================================== ================== AGREEMENT AND PLAN OF MERGER AMONG BAKER HUGHES INCORPORATED, BAKER HUGHES MISSOURI, INC., BAKER HUGHES DELAWARE, INC., PETROLITE CORPORATION, AND WM....7 Agreement and Plan of Merger Agreement and Plan of Merger • March 5th, 1997 • Baker Hughes Inc • Oil & gas field machinery & equipment • Missouri
