CADENCE DESIGN SYSTEMS INC — Director's Dealing 2015

May 29, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CADENCE DESIGN SYSTEMS INC (CDNS)
CIK: 0000813672
Period of Report: 2015-05-27

Reporting Person: TAN LIP BU (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-05-27	Common Stock	M	125000	$4.12	Acquired	374998	Direct
2014-05-27	Common Stock	S	125000	$20.0004	Disposed	249998	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-05-27	Non-Qualified Stock Option (right to buy)	$4.12	M	125000	Disposed	2016-01-08	Common Stock (125000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	31400	Indirect
Common Stock	51000	Indirect
Common Stock	15000	Indirect
Common Stock	839314	Indirect
Common Stock	7000	Indirect

Footnotes

F1: Shares held by IRA FBO Lip-Bu Tan DB Securities Inc. Custodian Rollover Account DTD 5/19/1997.

F2: Shares held by A&E Investment LLC, the sole member of which is the Lip-Bu Tan and Ysa Loo Trust dated 2/3/1992.

F3: Shares held by the Lip-Bu and Ysa Loo Trust dated 2/3/1992.

F4: Shares held by L Tan & N Lee & W Lee Trustees, Pacvan Walden Inc.

F5: The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.