X0202 3 2007-09-05 0 0000060849 LUFKIN INDUSTRIES INC LUFK 0001412335 Orr Terry L PO BOX 849 LUFKIN TX 75902 0 1 0 0 VP/GM Power Transmission Common Stock 2040 D Option to Purchase Common Stock 12.980 2002-12-04 2011-12-03 Common Stock 5000 D Option to Purchase Common Stock 12.945 2003-11-05 2012-11-04 Common Stock 5000 D Option to Purchase Common Stock 12.155 2004-11-11 2013-11-10 Common Stock 1250 D Option to Purchase Common Stock 18.500 2005-11-09 2014-11-08 Common Stock 3000 D Option to Purchase Common Stock 46.700 2006-11-01 2015-10-31 Common Stock 1500 D Option to Purchase Common Stock 60.340 2007-10-31 2016-10-30 Common Stock 1500 D Terry L. Orr 2007-09-14