Exhibit 10.01



 EXHIBIT 10.01 
 FIRST AMENDMENT TO EMPLOYMENT AGREEMENT WITH ANIRUDH
DEVGAN 
 THIS FIRST AMENDMENT (this “First Amendment”) to the Employment Agreement (as defined below) is made and
entered into effective November 16, 2017 by and between Cadence Design Systems, Inc. (the “Company”) and ANIRUDH DEVGAN (“Executive”). 

WITNESSETH 
 WHEREAS, the
Company and Executive are parties to that certain Employment Agreement effective March 16, 2015 (the “Employment Agreement”) pursuant to which Executive is employed by the Company; 

WHEREAS, the Company and Executive desire to amend the Employment Agreement in connection with Executive’s promotion to President and
relocation to the Company’s headquarters office in San Jose, California; and 
 WHEREAS, all terms capitalized but not defined herein
shall have the meanings ascribed to them in the Employment Agreement. 
 NOW, THEREFORE, in consideration of the mutual covenants contained
herein and other good and valuable consideration, the receipt and sufficiency of which is acknowledged, the parties hereto hereby agree as follows: 

1. Effective as of the date hereof, the Employment Agreement is hereby amended as follows: 

a. Each of sections 1.2(a) and 4.3(a) of the Employment Agreement and clause 1 of the form of Executive Transition and Release Agreement
attached as Exhibit A to the Employment Agreement are hereby amended by replacing the words “Senior Vice President of Research and Development” with “President”. 

b. The Executive’s Base Salary provided pursuant to section 2.1 of the Employment Agreement shall be Five Hundred Thousand Dollars
($500,000) per year. 
 c. The Executive’s annual Target Bonus provided pursuant to section 2.2 of the Employment Agreement shall be
one hundred percent (100%) of Executive’s Base Salary, and shall continue to be governed by the terms of the Bonus Plan and any guidelines thereunder. 

d. Executive has committed to relocate to Company headquarters in San Jose, California by October 2018 and, therefore, section 4.3(c) of the
Employment Agreement is hereby amended by replacing the word “Austin” with “San Jose”. In addition, the reference to the “Austin Office” in section 1.4 of the Employment Agreement is hereby deleted. 

e. Section 4.5(a)(2) of the Employment Agreement is hereby amended by replacing the words and figures “thirty-seven and one-half
percent (37.5%)” with “fifty percent (50%)”. 

  
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 f. Clause 6(a)(i) of the form of Executive Transition and Release Agreement attached as Exhibit A
to the Employment Agreement is hereby amended by replacing the figure “75%” with the figure “100%”. 
 2. Each of
the parties hereto hereby confirms that the Employment Agreement, except as expressly amended by this First Amendment, remains in full force and effect. 

3. This First Amendment may be executed in several counterparts, each of which shall be deemed an original, but all of which together
shall constitute one and the same instrument. 
 4. This First Amendment shall be governed by the laws of the State of California,
without regard to its conflicts of laws principles. 
 IN WITNESS WHEREOF, the parties have executed this FIRST AMENDMENT on this 16th day of November, 2017, to be effective as set forth above. 
  

							
	CADENCE DESIGN SYSTEMS, INC.	 		 	EXECUTIVE
				
	By:	 	 /s/ Christina Jones
	 		 	 /s/ Anirudh Devgan

		 		 		 	Anirudh Devgan
	Name:	 	Christina Jones	 		 	
				
	Title:	 	 Senior Vice President
 Global Human
Resources
	 		 	


  
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