| Date | Event |
| 25-Nov-09 | WGL HOLDINGS INC Files SEC form 10-K, Annual Report |
| 12-Nov-09 | WGL HOLDINGS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 12-Nov-09 | Earnings announcement |
| 7-Oct-09 | Ex-Date for dividend payment of $0.368 |
| 25-Sep-09 | WGL HOLDINGS INC Files SEC form 8-K, Amendment or Waiver to Code of Ethics, Financial Statements and Exhibits |
| 7-Aug-09 | WGL HOLDINGS INC Files SEC form 10-Q, Quarterly Report |
| 6-Aug-09 | WGL HOLDINGS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 8-Jul-09 | Ex-Date for dividend payment of $0.368 |
| 26-Jun-09 | WGL HOLDINGS INC Files SEC form 8-K, Change in Directors or Principal Officers, Regulation FD Disclosure, Financial S |
| 4-Jun-09 | WGL HOLDINGS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 8-May-09 | WGL HOLDINGS INC Files SEC form 10-Q, Quarterly Report |
| 30-Apr-09 | WGL HOLDINGS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 25-Mar-09 | WGL HOLDINGS INC Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 6-Mar-09 | WGL HOLDINGS INC Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year |
| 19-Feb-09 | WGL HOLDINGS INC Files SEC form 8-K, Other Events |
| 9-Feb-09 | WGL HOLDINGS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 5-Feb-09 | WGL HOLDINGS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 24-Dec-08 | WGL HOLDINGS INC Files SEC form 8-K, Change in Directors or Principal Officers, Regulation FD Disclosure, Financial S |
| 1-Dec-08 | WGL HOLDINGS INC Files SEC form 10-K, Annual Report |
| 14-Nov-08 | WGL HOLDINGS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 22-Oct-08 | WGL HOLDINGS INC Files SEC form 8-K, Other Events |