X0202 4 2006-03-01 0 0000791348 LONE STAR TECHNOLOGIES INC LSS 0001192096 REED DAVID A 1909 COTTONWOOD VAL CIR SOUTH IRVING TX 75038 1 0 0 0 Common Stock 2006-03-01 4 J 0 2400 A 3600 D Grant of 2,400 restricted stock units under Issuer's 2004 Long-Term Incentive Plan. Unless vesting occurs earlier due to the attainment of performance targets, shares vest on March 1, 2012. Reporting Person can elect within 60 days after the date of grant to defer the issuance of vested shares. Includes 1,200 restricted shares granted previously under the 2004 Long-Term Incentive Plan. David A. Reed by Robert F. Spears, Attorney-in-Fact 2006-03-03