THIS COMPLAINT AND EXPEDITED SETTLEMENT AGREEMENT (CESA) IS ISSUED TO TETRA TECHNOLOGIES, INC. FOR FAILURE TO SUBMIT A FORM R FOR LEAD, ZINC, AND COPPER THAT WAS MANUFACTURED, IMPORTED, PROCESSED, OR OTHERWISE USED DURING THE PRECEDING CALENDAR YEAR IN QUANTITIES EXCEEDING THE ESTABLISHED TOXIC CHEMICAL THRESHOLDS. THE PENALTY ASSESSED FOR THESE VIOLATIONS IS $15,152.76.