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Northrop Grumman Corporation
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May 8, 2018
CA 18-15

Important Information Regarding Your
Northrop Grumman Shares-Your Vote Is Important

To Northrop Grumman Employees:

The company’s 2018 Annual Meeting of Shareholders will be held Wednesday, May 16, and will be webcast live on Many of you hold Northrop Grumman shares through one of the company savings plans. This announcement is to encourage you to vote all of your shares if you have not done so already. Your vote is important, and your input is valued.

The voting deadline for participants in the Northrop Grumman Savings Plan or the Northrop Grumman Financial Security and Savings Program for the company’s 2018 Annual Meeting of Shareholders is Sunday, May 13 at 11:59 p.m. Eastern.

To cast your vote, please visit and follow the instructions. It is important to vote all of your Northrop Grumman shares held in the Northrop Grumman Savings Plan or the Northrop Grumman Financial Security and Savings Program.

Please note that you may receive multiple communications (electronically and/or by mail) containing proxy materials and voting instructions for each type of account in which you hold shares of Northrop Grumman stock. Please review each communication carefully as it is likely not a duplicate and be sure to vote all of your shares in each of your accounts.

On Friday, March 30, you should have received an email notification from Northrop Grumman’s transfer agent, Computershare, containing instructions for viewing the proxy statement and annual report, and for voting your shares.

If you did not receive an email notification, or wish to change your vote, please contact Computershare at 877-498-8861.