| o | Preliminary Proxy Statement |
| o | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| o | Definitive Proxy Statement |
| þ | Definitive Additional Materials |
| o | Soliciting Material under §240.14a-12 |
| ORBITAL SCIENCES CORPORATION | |||
| (Name of Registrant as Specified in Its Charter) | |||
(Name of Person(s) Filing Proxy Statement, if other than the Registrant) | |||
| Payment of Filing Fee (Check the appropriate box): | |||
| þ | No fee required. | ||
| o | Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11. | ||
| (1) | Title of each class of securities to which transaction applies: | ||
| (2) | Aggregate number of securities to which the transaction applies: | ||
| (3) | Per unit price or other underlying value of the transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined): | ||
| (4) | Proposed maximum aggregate value of the transaction: | ||
| (5) | Total fee paid: | ||
| o | Fee paid previously with preliminary materials. | ||
| o | Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing. | ||
| (1) | Amount Previously Paid: | ||
| (2) | Form, Schedule or Registration Statement No.: | ||
| (3) | Filing Party: | ||
| (4) | Date Filed: | ||
*** Exercise Your Right to Vote *** IMPORTANT NOTICE Regarding the Availability of Proxy Materials For the Shareholder Meeting To Be Held on April 22, 2010 | |||
ORBITAL SCIENCES CORPORATION You are receiving this communication because you hold shares in Orbital Sciences Corporation and the materials you should review before you cast your vote are now available. This is not a ballot. You cannot use this notice to vote these shares. ORBITAL SCIENCES CORPORATION 21839 ATLANTIC BLVD. DULLES, VA 20166 | Meeting Information | ||
Meeting Type: For holders as of: Date: Time: Location: | Annual Meeting February 23, 2010 April 22, 2010 9:00 a.m. 21839 Atlantic Boulevard Dulles, Virginia 20166 | ||
To obtain directions to attend the meeting and vote in person, please call (703) 406-5000. | |||
This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The Proxy Statement and Annual Report on Form 10-K are available at www.proxyvote.com. If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge to you for requesting a copy. Please make your request for a copy as instructed on the reverse side of this notice on or before April 8, 2010 to facilitate timely delivery. | |||
| See the reverse side of this notice to obtain proxy materials and voting instructions. | |||
Proxy Materials Available to VIEW or RECEIVE: · PROXY STATEMENT · ANNUAL REPORT ON FORM 10-K How to View Online: Have the 12-Digit Control Number available (located on the following page) and visit: www.proxyvote.com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge to you for requesting a copy. Please make your request for a copy as instructed below on or before April 8, 2010 to facilitate timely delivery. | |||
1) BY INTERNET: 2) BY TELEPHONE: 3) BY E-MAIL*: | www.proxyvote.com 1-800-579-1639 sendmaterial@proxyvote.com | ||
| * | If requesting materials by e-mail, please send a blank e-mail with the 12-Digit Control Number (located on the following page) in the subject line. | ||
| Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. | |||
Vote In Person: If you are a shareholder of record as of the record date, you are invited to attend the annual meeting and you may vote in person. At the annual meeting you will need to request a ballot to vote. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Use the Internet to transmit your voting instructions up until 11:59 pm. Eastern Time on Wednesday, April 21, 2010. Have the 12-Digit Control Number available and follow the instructions. Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card. |
| Voting Items |
| 1. | To elect four Directors, each to serve for a three-year term ending in 2013. | ||
Nominees: | |||
01) 02) 03) 04) | Edward F. Crawley Lennard A. Fisk Ronald T. Kadish Garrett E. Pierce | ||
| 2. | To ratify the appointment of PricewaterhouseCoopers LLP as the company’s independent registered public accounting firm for the fiscal year ending December 31, 2010. | ||
