X0203 3 2010-03-04 0 0000844965 TETRA TECHNOLOGIES INC TTI 0001453060 Foster Ronald J. 24955 INTERSTATE 45 NORTH THE WOODLANDS TX 77380 0 1 0 0 President - Compressco Common Stock 1037 D Common Stock 630 I by 401(k) Plan Stock Option (right to buy) 8.30 2005-07-15 2014-07-15 Common Stock 8334 D Stock Option (right to buy) 9.2067 2005-12-28 2014-12-28 Common Stock 10201 D Stock Option (right to buy) 23.055 2007-04-12 2016-04-12 Common Stock 4000 D Stock Option (right to buy) 28.075 2007-05-12 2016-05-12 Common Stock 4000 D Stock Option (right to buy) 21.10 2009-05-20 2018-05-20 Common Stock 8000 D Stock Option (right to buy) 4.17 2010-04-09 2019-04-09 Common Stock 31500 D Eileen M. Price, AIF for Ronald J. Foster 2010-03-16