C William Foote

Insider Trading: Sales

Company	Symbol	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Usg Corp	USG	$23.33	25,000	Officer	493,180	2010-04-28	Filing
Usg Corp	USG	$15.39	100	Officer	520,952	2010-03-08	Filing
Usg Corp	USG	$15.38	723	Officer	521,052	2010-03-08	Filing
Usg Corp	USG	$15,375.00	100	Officer	521,775	2010-03-08	Filing
Usg Corp	USG	$15.37	1,900	Officer	521,875	2010-03-08	Filing
Usg Corp	USG	$15.36	1,400	Officer	523,775	2010-03-08	Filing
Usg Corp	USG	$15.36	400	Officer	525,175	2010-03-08	Filing
Usg Corp	USG	$15.35	1,400	Officer	525,575	2010-03-08	Filing
Usg Corp	USG	$15.35	100	Officer	526,975	2010-03-08	Filing
Usg Corp	USG	$15.34	628	Officer	527,075	2010-03-08	Filing
Usg Corp	USG	$15.34	100	Officer	527,703	2010-03-08	Filing
Usg Corp	USG	$15.33	1,100	Officer	527,803	2010-03-08	Filing
Usg Corp	USG	$15.32	1,100	Officer	528,903	2010-03-08	Filing
Usg Corp	USG	$15.30	608	Officer	530,003	2010-03-08	Filing
Usg Corp	USG	$15.30	400	Officer	530,611	2010-03-08	Filing
Usg Corp	USG	$15.29	641	Officer	531,011	2010-03-08	Filing
Usg Corp	USG	$15.28	400	Officer	531,652	2010-03-08	Filing
Usg Corp	USG	$15.27	200	Officer	532,052	2010-03-08	Filing
Usg Corp	USG	$15.27	200	Officer	532,252	2010-03-08	Filing
Usg Corp	USG	$15.26	2,000	Officer	532,452	2010-03-08	Filing