| Date | Event |
| 13-Nov-09 | USG CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 29-Oct-09 | USG CORP Files SEC form 10-Q, Quarterly Report |
| 21-Oct-09 | USG CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 21-Oct-09 | USG Earnings Call scheduled for 11:00 am ET today |
| 30-Sep-09 | USG CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 16-Sep-09 | Price hit new 52-week high ($19.88) |
| 11-Sep-09 | USG CORP Files SEC form 8-K, Costs Associated with Exit or Disposal Activities |
| 5-Aug-09 | USG CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 31-Jul-09 | USG CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 28-Jul-09 | USG CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 28-Jul-09 | USG CORP Files SEC form 10-Q, Quarterly Report |
| 22-Jul-09 | USG CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 22-Jul-09 | USG Earnings Call scheduled for 11:00 am ET today |
| 7-Jul-09 | USG CORP Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 3-Jun-09 | USG CORP Files SEC form 8-K, Costs Associated with Exit or Disposal Activities |
| 27-May-09 | USG CORP Files SEC form 8-K, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Ar |
| 19-May-09 | USG CORP Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year, Financial Statements an |
| 5-May-09 | Price hit new 52-week high ($17.35) |
| 4-May-09 | USG CORP Files SEC form 10-Q, Quarterly Report |
| 21-Apr-09 | USG CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 12-Mar-09 | USG CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 9-Mar-09 | Price hit new 52-week low ($4.16) |
| 6-Mar-09 | Price hit new 52-week low ($4.19) |
| 5-Mar-09 | Price hit new 52-week low ($4.50) |
| 20-Feb-09 | USG CORP Files SEC form 10-K, Annual Report |
| 29-Jan-09 | USG CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 12-Jan-09 | USG CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreeme |
| 5-Dec-08 | USG CORP Files SEC form 8-K, Material Modification to Rights of Security Holders, Financial Statements and Exhibits |
| 26-Nov-08 | USG CORP Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 21-Nov-08 | USG CORP Files SEC form 8-K, Costs Associated with Exit or Disposal Activities |
| 17-Nov-08 | USG CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 7-Nov-08 | USG CORP Files SEC form 8-K, Costs Associated with Exit or Disposal Activities |
| 28-Oct-08 | USG CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 28-Oct-08 | USG CORP Files SEC form 10-Q, Quarterly Report |
| 27-Oct-08 | USG CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or |