Leidos Tax Basis Information:  IRS Form 8937 and Attachment to IRS Form 8937 provide tax basis information for Lockheed Martin Corporation stockholders who participated in the August 2016 exchange offer involving shares of Abacus Innovations Corporation common stock that were subsequently exchanged for shares of Leidos Holdings, Inc. common stock.  These IRS filings are made available to stockholders for informational purposes only, in accordance with Section 6045B of the Internal Revenue Code of 1986, as amended, and corresponding Treasury Regulations.  Stockholders are urged to consult their own tax advisors regarding their particular circumstances.