Exhibit

We consent to the incorporation by reference in Registration Statement Nos. 033-59815, 033-59853, 333-67266, 333-100179, 333-107734, 333-121104, 333-125120, 333-127317, and 333-175798 on Forms S-8; and Registration Statement No. 333-196238 on Form S-3; of our report dated February 1, 2016 (April 26, 2016 as to the reclassification of segment information as described in Notes 1, 3 and 7), relating to the consolidated financial statements of Northrop Grumman Corporation and subsidiaries, appearing in this Current Report on Form 8-K of Northrop Grumman Corporation dated April 27, 2016.