| Date | Event |
| 30-Oct-09 | ORBITAL SCIENCES CORP /DE/ Files SEC form 10-Q, Quarterly Report |
| 27-Oct-09 | Orbital Sciences Corporation Earnings Call scheduled for 9:00 am ET today |
| 27-Oct-09 | ORBITAL SCIENCES CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements an |
| 30-Jul-09 | ORBITAL SCIENCES CORP /DE/ Files SEC form 10-Q, Quarterly Report |
| 28-Jul-09 | Orbital Sciences Corporation Earnings Call scheduled for 9:00 am ET today |
| 28-Jul-09 | ORBITAL SCIENCES CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements an |
| 29-Apr-09 | ORBITAL SCIENCES CORP /DE/ Files SEC form 10-Q, Quarterly Report |
| 28-Apr-09 | ORBITAL SCIENCES CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 1-Apr-09 | Price hit new 52-week low ($11.60) |
| 5-Mar-09 | Price hit new 52-week low ($11.78) |
| 3-Mar-09 | ORBITAL SCIENCES CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 3-Mar-09 | Price hit new 52-week low ($12.98) |
| 2-Mar-09 | ORBITAL SCIENCES CORP /DE/ Files SEC form 10-K, Annual Report |
| 19-Feb-09 | ORBITAL SCIENCES CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 30-Dec-08 | ORBITAL SCIENCES CORP /DE/ Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 8-Dec-08 | ORBITAL SCIENCES CORP /DE/ Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year |
| 12-Nov-08 | ORBITAL SCIENCES CORP /DE/ Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 6-Nov-08 | ORBITAL SCIENCES CORP /DE/ Files SEC form 8-K, Material Modification to Rights of Security Holders |
| 24-Oct-08 | ORBITAL SCIENCES CORP /DE/ Files SEC form 10-Q, Quarterly Report |