X0202 4 2007-06-14 1 0000791348 LONE STAR TECHNOLOGIES INC LSS 0001192096 REED DAVID A 1909 COTTONWOOD VAL CIR SOUTH IRVING TX 75038 1 0 0 0 Common Stock 2007-06-14 4 D 0 400 67.50 D 0 D Restricted Stock 2007-06-14 4 D 0 800 67.50 D 0 D Restricted Stock Units 2007-06-14 4 D 0 4800 67.50 D 0 D Pursuant to the Agreement and Plan of Merger, dated March 28, 2007, by and among United States Steel Corporation, WP Acquisition Holding Corp. and Lone Star Technologies, Inc., at the effective time of the merger, each outstanding share of Lone Star common stock converted into the right to receive $67.50 in cash, without interest. Pursuant to the Agreement and Plan of Merger, dated March 28, 2007, by and among United States Steel Corporation, WP Acquisition Holding Corp. and Lone Star Technologies, Inc., at the effective time of the merger, each restricted share of Lone Star common stock became fully vested and converted into the right to receive $67.50 in cash, without interest. Pursuant to the Agreement and Plan of Merger, dated March 28, 2007, by and among United States Steel Corporation, WP Acquisition Holding Corp. and Lone Star Technologies, Inc., at the effective time of the merger, each restricted stock unit became fully vested and converted into the right to receive $67.50 in cash, without interest. David A. Reed, by Robert F. Spears, Attorney-In-Fact 2007-06-14