Officer received an award of 3,982.16 NOC derivative securities

1. 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).
2. The RPSRs acquired include (i) 296.16 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) 3,686 unvested RPSRs granted under the 2024 Long-Term Incentive Stock Plan (the "2024 LTISP") on 2/18/25 with a measurement period ending on 12/31/27. A total of 913.16 shares were issued in settlement of the 2023 RPSRs with a measurement period that ended 12/31/25, and the target award amount of 617 RPSRs was previously reported in connection with the grant of the 2023 RPSRs.
3. Total amount includes (i) 913.16 vested RPSRs granted under the 2011 LTISP on 2/16/23 with a measurement period ended on 12/31/25; (ii) 5,133 RPSRs granted under the 2011 LTISP on 2/14/24 with a measurement period ending on 12/31/26; (iii); 5,355 RPSRs granted under the 2024 LTISP on 2/18/25 with a measurement period ending on 12/31/27; and (iv) 3,686 RPSRs granted under the 2024 LTISP on 2/11/26 with a measurement period ending on 12/31/28.

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