Exhibit

We consent to the incorporation by reference in the registration statements (Nos. 333-212669, 333-204278, 333-197579, 333-195771, 333-194102, 333-188452, 333-188449, 333-184595, 333-174200, 333-174201, 333-174202, 333-159486, 333-150948, 333-149877, 333-145891, 333-144972, 333-135003, 333-132754, 333-132753, 333-124025, 333-119335, 333-116681, 333-115351, 333-115349, 333-108251, 333-105492, 333-105481, 333-104720, 333-103657, 333-103250, 333-102648, 333-101693, 333-88390, 333-87674, 333-85080, 333-82044, 333-75874, 333-65116, 333-56898, 333-33330, 333-93609, 333-85591, 333-69589, 333-71717, 333-65529, 333-61029, 333-34599, 333-27109 and 333-18963) on Form S-8 and (Nos. 333-198952 and 333-205884) on Form S-3 of Cadence Design Systems, Inc. of our report dated February 10, 2017, with respect to the consolidated balance sheets of Cadence Design Systems, Inc. and subsidiaries as of December 31, 2016 and January 2, 2016, and the related consolidated statements of income, comprehensive income, stockholders’ equity and cash flows for each of the years in the three-year period ended December 31, 2016, and the effectiveness of internal control over financial reporting as of December 31, 2016, which report appears in the December 31, 2016 annual report on Form 10-K of Cadence Design Systems, Inc.