DEFA14A 1 w73108adefa14a.htm ORBITAL SCIENCES CORP defa14a
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a)
of the Securities Exchange Act of 1934
Filed by the Registrant þ
Filed by a Party other than the Registrant o
Check the appropriate box:
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)
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ORBITAL SCIENCES CORPORATION
** IMPORTANT NOTICE **
Regarding the Availability of Proxy Materials for the
Shareholder Meeting to be held on April 30, 2009
 
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 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.
ORBITAL SCIENCES CORPORATION
21839 ATLANTIC BOULEVARD
DULLES, VA 20166

HOW TO VIEW PROXY MATERIALS VIA THE INTERNET
 
The Proxy Statement and Annual Report on Form 10-K are available at www.proxyvote.com. Have the 12 Digit Control Number (located on the following page) available when you access the website.

HOW TO REQUEST A COPY OF PROXY MATERIALS FOR THE 2009 ANNUAL MEETING OF SHAREHOLDERS AND ALL FUTURE MEETINGS
 
If you want to receive a paper or e-mail copy of the Proxy Statement and Annual Report on Form 10-K, you must request one. There is no charge for requesting a copy. Please make your request for a copy as instructed below on or before April 16, 2009 to facilitate timely delivery.
     
1) BY INTERNET
  -   www.proxyvote.com
2) BY TELEPHONE
  -   1-800-579-1639
3) BY E-MAIL*
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*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.


See the Reverse Side for Meeting Information and Instructions on How to Vote

 


 





















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Meeting Information
 
     
Meeting Type:
  Annual Meeting
Meeting Date:
  April 30, 2009
Meeting Time:
  9:00 a.m.
For record holders as of:
  March 3, 2009
 
Meeting Location:
 
21839 Atlantic Boulevard
Dulles, Virginia 20166
To obtain directions to attend the meeting and vote in person, please call (703) 406-5000.

How To Vote
 
     
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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.
 
   
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Vote By Internet
 

To vote now by Internet, go to www.proxyvote.com. Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 p.m. Eastern Time the day before the meeting date. Have your notice in hand when you access the website and follow the instructions.


 


 





















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Voting items
       
 
       
The Board of Directors recommends a
vote FOR Proposals 1 and 2.
       
         
1.   To elect five Directors, each to serve
for a three-year term ending in 2012.
 
       
 
  Nominees:    
 
       
 
  01) Robert M. Hanisee   04) James R. Thompson
 
  02) James G. Roche   05) Scott L. Webster
 
  03) Harrison H. Schmitt    
 
       
2.   To ratify the appointment of PricewaterhouseCoopers LLP as the company’s independent registered public
accounting firm for the fiscal year ending December 31, 2009.


 


 






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