For questions about your account, change of address or buying, selling or transferring shares, please contact Huntington Ingalls Industries' transfer agent, Computershare, by mail, telephone or website:
Computershare (888) 665-9610www.computershare.com/investor
Shareholder correspondence should be mailed to: Computershare P.O. Box 505000 Louisville, KY 40233
Overnight correspondence should be sent to: Computershare 462 South 4th Street, Suite 1600 Louisville, KY 40202