Item 4. Mine Safety Disclosures.

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Not applicable.

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Our executive officers as of February 9, 2017 are listed below, with their ages on that date, positions and offices currently held, and principal occupation and business experience during at least the last five years. There were no family relationships among any of our executive officers and directors. All officers serve at the discretion of the Board of Directors.

Richard F. Ambrose (age 58), Executive Vice President – Space Systems

Mr. Ambrose has served as Executive Vice President of Space Systems since April 2013. He previously served as Vice President and Deputy, Space Systems from July 2012 to March 2013; and President, Information Systems & Global Solutions – Security from January 2011 to June 2012.

Dale P. Bennett (age 60), Executive Vice President – Rotary and Mission Systems

Mr. Bennett has served as Executive Vice President of Rotary and Mission Systems since December 2012. He previously served as President, Mission Systems & Sensors from August 2011 to December 2012.

Orlando P. Carvalho (age 58), Executive Vice President – Aeronautics

Mr. Carvalho has served as Executive Vice President of Aeronautics since March 2013. He previously served as Executive Vice President and General Manager, F-35 Program from March 2012 to March 2013; Vice President and Deputy, F-35 Program from August 2011 to March 2012.

Brian P. Colan (age 56), Vice President, Controller, and Chief Accounting Officer

Mr. Colan has served as Vice President, Controller, and Chief Accounting Officer since August 2014. He previously served as Vice President and Controller, Missiles and Fire Control from January 2013 to August 2014; and Vice President and Controller, Electronic Systems from October 2011 to January 2013.

Richard H. Edwards (age 60), Executive Vice President – Missiles and Fire Control

Mr. Edwards has served as Executive Vice President of Missiles and Fire Control since December 2012. He previously served as Executive Vice President, Program and Technology Integration, Missiles and Fire Control from June 2012 to December 2012; and Vice President, Tactical Missiles and Combat Maneuver Systems from July 2005 to June 2012.

Marillyn A. Hewson (age 63), Chairman, President and Chief Executive Officer

Ms. Hewson has served as Chairman, President and Chief Executive Officer of Lockheed Martin since January 2014. Having served over 30 years at Lockheed Martin in roles of increasing responsibility, she held the positions of Chief Executive Officer and President from January 2013 to December 2013; President and Chief Operating Officer from November 2012 to December 2012; and Executive Vice President – Electronic Systems from January 2010 to November 2012.

Maryanne R. Lavan (age 57), Senior Vice President, General Counsel and Corporate Secretary

Ms. Lavan has served as Senior Vice President and General Counsel since June 2010 and Corporate Secretary since September 2010.

John W. Mollard (age 59), Vice President and Treasurer

Mr. Mollard has served as Vice President and Treasurer since April 2016. He previously served as Vice President, Corporate Financial Planning and Analysis from 2003 to April 2016.

Bruce L. Tanner (age 57), Executive Vice President and Chief Financial Officer

Mr. Tanner has served as Executive Vice President and Chief Financial Officer since September 2007.

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PART II