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## SIGNATURES 

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this Form 10-K to be signed on its behalf by the undersigned, thereunto duly authorized. 

Date: February 23, 2012 

## LOCKHEED MARTIN CORPORATION 

<img src='content_image/268784.jpg'>

