X0202 4 2006-03-01 0001074771 TRIAD HOSPITALS INC TRI 0001188136 SHELTON JAMES D 5800 TENNYSON PARKWAY PLANO TX 75024 1 1 0 0 Chairman, President, CEO Common Stock 2006-03-01 4 M 0 10000 17.07 A 411287 D Common Stock 2006-03-01 4 S 0 100 43.25 D 411187 D Common Stock 2006-03-01 4 S 0 100 43.20 D 411087 D Common Stock 2006-03-01 4 S 0 100 43.16 D 410987 D Common Stock 2006-03-01 4 S 0 100 43.15 D 410887 D Common Stock 2006-03-01 4 S 0 100 43.07 D 410787 D Common Stock 2006-03-01 4 S 0 200 43.05 D 410587 D Common Stock 2006-03-01 4 S 0 100 43.04 D 410487 D Common Stock 2006-03-01 4 S 0 100 43.03 D 410387 D Common Stock 2006-03-01 4 S 0 100 43.02 D 410287 D Common Stock 2006-03-01 4 S 0 100 43.00 D 410187 D Common Stock 2006-03-01 4 S 0 100 42.98 D 410087 D Common Stock 2006-03-01 4 S 0 100 42.94 D 409987 D Common Stock 2006-03-01 4 S 0 100 42.93 D 409887 D Common Stock 2006-03-01 4 S 0 100 42.91 D 409787 D Common Stock 2006-03-01 4 S 0 300 42.84 D 409487 D Common Stock 2006-03-01 4 S 0 500 42.83 D 408987 D Common Stock 2006-03-01 4 S 0 100 42.82 D 408887 D Common Stock 2006-03-01 4 S 0 400 42.81 D 408487 D Common Stock 2006-03-01 4 S 0 800 42.80 D 407687 D Common Stock 2006-03-01 4 S 0 500 42.79 D 407187 D Common Stock 2006-03-01 4 S 0 500 42.78 D 406687 D Common Stock 2006-03-01 4 S 0 300 42.77 D 406387 D Common Stock 2006-03-01 4 S 0 800 42.76 D 405587 D Common Stock 2006-03-01 4 S 0 700 42.75 D 404887 D Common Stock 2006-03-01 4 S 0 1700 42.74 D 403187 D Common Stock 2006-03-01 4 S 0 400 42.73 D 402787 D Common Stock 2006-03-01 4 S 0 900 42.72 D 401887 D Common Stock 2006-03-01 4 S 0 100 42.70 D 401787 D Non-Qualified Stock Option (right-to-buy) 17.07 2006-03-01 4 M 0 10000 0 D 2010-05-23 Common Stock 10000 66909 D Sale pursuant to 10b5-1 trading plan This Form 4 is the first of two being filed to report the Reporting Person's transactions on March 1, 2006. The remainder of the transactions, as well as the Reporting Person's other common stock holdings, are reported on the second of two Forms 4. The option vested in four equal installments on May 23, 2001, 2002, 2003, and 2004. One of Two Rebecca Hurley, as attorney-in-fact for James D. Shelton 2006-03-02