EXHIBIT 10.9 EMPLOYMENT AGREEMENT THIS AGREEMENT made and entered into effective on the 1st day of February, 2000 (the "Effective Date"), by and between TETRA Technologies, Inc., a Delaware corporation with its principal office at 25025 I-45 North,...Employment Agreement • March 30th, 2000 • Tetra Technologies Inc • Industrial inorganic chemicals • Texas
EXHIBIT 10.8 AMENDMENT TO NONQUALIFIED STOCK OPTION AGREEMENT This Amendment to Nonqualified Stock Option Agreement, dated effective December 11, 1998, is by and between TETRA Technologies, Inc., a Delaware corporation ("Company"), and Allen T....Nonqualified Stock Option Agreement • March 30th, 2000 • Tetra Technologies Inc • Industrial inorganic chemicals
