Warden Kathy J bought NOC

Footnotes

Each Restricted Performance Stock Right ("RPSR") represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the applicable performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).; The RPSRs acquired include (i) 11,204.16 vested RPSRs with respect to the measurement period ended 12/31/25 acquired due to settlement of the RPSRs granted under the 2011 Long-Term Incentive Stock Plan ("2011 LTISP") on 2/16/23 that resulted in settlement at 148% of the target award; and (ii) 17,581 unvested RPSRs granted under the 2024 Long-Term Incentive Stock Plan (the "2024 LTISP") on 2/11/26 with a measurement period ending on 12/31/28. A total of 34,546.16 shares were issued in settlement of the 2023 RPSRs with a measurement period that ended 12/31/25, and the target award amount of 23,342 RPSRs was previously reported in connection with the grant of the 2023 RPSRs.; Total amount includes (i) 34,546.16 vested RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ended on 12/31/25; (ii) 24,309 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (iii) 25,628 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iv) 17,581 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending on 12/31/28.