X0202 4 2005-07-19 0 0000791348 LONE STAR TECHNOLOGIES INC LSS 0001217376 SPEARS ROBERT F 15660 N. DALLAS PARKWAY, SUITE 500 DALLAS TX 75248 0 1 0 0 VP, Gen'l Counsel and Sec. Common Stock 2005-07-19 4 M 0 5000 16.515 A 17966 D Common Stock 2005-07-19 4 S 0 5000 50.50 D 12966 D Option (right to buy) 16.515 2005-07-19 4 M 0 5000 D 2013-02-18 Common Stock 15000 10000 D Transaction effected pursuant to a Rule 10b5-1 plan dated November 5, 2004 and amended February 3, 2005 and May 13, 2005. Total shares include10,667 shares of restricted stock granted under Issuer's 2004 and 1985 Long Term Incentive Plans. Cumulative installments of 5,000 shares each on and after February 18, 2004, 2005, 2006 and 2007. Employee stock option granted under Issuer's 1985 Long-Term Incentive Plan. Robert F. Spears 2005-07-21