1 EXHIBIT 99.1 AGREEMENT AND PLAN OF MERGER BY AND AMONG CORE LABORATORIES N.V., SYNTRON INC., GEOSCIENCE CORPORATION, AND TECH-SYM CORPORATION DATED AS OF JANUARY 18, 1999 2 TABLE OF CONTENTS ARTICLE I THE MERGERMerger Agreement • February 5th, 1999 • Tech Sym Corp • Search, detection, navagation, guidance, aeronautical sys • Texas
