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Lockheed Martin Corporation 1st Quarter 2021 Earnings Results Conference Call Tuesday , April 20 , 2021 11:00 a.m. ET Webcast login at : www.lockheedmartin.com/investor Webcast replay & podcast available by 2:00 p.m. ET April 20 , 2021 at : www.lockheedmartin.com/investor Audio replay available from 2:00 p.m. ET April 20 , 2021 through midnight April 21 , 2021 Access the audio replay at : U.S. and Canada : ( 866 ) 207-1041 ; International ( 402 ) 970-0847 Replay confirmation code : 1713659