Certification of Principal Executive Officer

Pursuant to 18 U.S.C. Section 1350 as

Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, I, William J. Lynn III, Chief Executive Officer of Leonardo DRS, Inc. (the “Company”), hereby certify, that, to my knowledge:

1.    the Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 (the “Report”) of the Company fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d)); and

2.    the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 12, 2021

/s/ William J. Lynn III

William J. Lynn III

Chief Executive Officer

(Principle Executive Officer)