X0306 4 2019-09-30 0000936468 LOCKHEED MARTIN CORP LMT 0001204586 BURRITT DAVID B 6801 ROCKLEDGE DRIVE BETHESDA MD 20817 1 Common Stock 2019-08-16 5 G 0 27.0000 0.0000 D 6003.0000 D Phantom Stock Units 2019-09-30 4 A 0 99.3437 A Common Stock 99.3437 7172.9381 I Lockheed Martin Directors Deferred Comp Plan Phantom Stock Units Common Stock 9328.6687 9328.6687 I Lockheed Martin Directors Equity Plan The stock units convert on a 1-for-1 basis. The information pertains to phantom stock units acquired at $390.06 per share through director retainer fee deferral under the Lockheed Martin Corporation Directors Deferred Compensation Plan exempt under Section 16(b). Units are settled in cash upon the reporting person's retirement or termination of service. End of period holdings include additional acquisitions through dividend reinvestment. The information pertains to previously acquired stock units under the Lockheed Martin Corporation Directors Equity Plan exempt under Section 16(b). Settlement in cash or stock (as elected by the director) will occur upon the reporting person's retirement or termination of service, except that non-employee directors who have satisfied our stock ownership guidelines may elect to have payment of awards granted on or after January 1, 2018 (together with any dividend equivalents thereon) begin on March 30 following vesting of the award. David B. Burritt, by Kerri R. Morey, Attorney-in-fact 2019-10-01