Document:

Assumption Agreement

 EXHIBIT 10.15 
  
 Krishna Kolluri  
  
 AMENDMENT AND ASSUMPTION AGREEMENT 
  
 This AMENDMENT AND ASSUMPTION AGREEMENT (the “Amendment and Assumption
Agreement”) is made and entered into as of October 3, 2003 by and between the undersigned employee (“Employee”) and NetScreen Technologies, Inc., a Delaware corporation (“NetScreen”). This
Agreement shall be effective as of the closing of the Merger (as defined below). 
  
 RECITALS 
  
 WHEREAS, Employee is a party to that certain Amended and Restated Employment Agreement dated April 19, 2001 by and between Neoteris, Inc., a Delaware corporation formerly known as DanaStreet Internet, Inc. (the
“Company”), and Employee (the “Employment Agreement”); 
  
 WHEREAS, NetScreen, the Company and Neon Acquisition Corp., a Delaware corporation and wholly owned subsidiary of NetScreen
(“Merger Sub”), have entered into that certain Agreement and Plan of Merger dated October 3, 2003 (the “Merger Agreement”) providing for the merger of Merger Sub with the Company (the
“Merger”); and 
  
 WHEREAS, it is intended
that at the effective time of the merger of Merger Sub with the Company as defined in the Merger Agreement (the “Effective Time”) Employee shall commence employment with NetScreen. 
  
 NOW, THEREFORE, in consideration of the
foregoing and the mutual promises, covenants and conditions contained herein, the parties hereby agree as follows: 
  
 1. Assumption of Employment Agreement. As of the Effective Time, NetScreen shall assume the Employment Agreement, as amended by this Amendment and
Assumption Agreement, and Employee hereby consents to such assumption. Except as expressly set forth in this Amendment and Assumption Agreement, the terms and provisions of the Employment Agreement shall remain in full force and effect. References
herein to the Employment Agreement shall be to the Employment Agreement as amended by this Amendment and Assumption Agreement, except in Section 2 and Section 3(ii) hereof. 
  
 2. No Termination Event. Employee hereby acknowledges and agrees that the commencement of Employee’s employment
with NetScreen on the terms and conditions of this Amendment and Assumption Agreement shall not constitute (i) “Good Reason” (as defined in Section 5.5(b) of the Employment Agreement) for a voluntary termination of Employee’s
employment, or (ii) any other type of “constructive termination” as such term is generally understood. 
  
 3. Amendment of Employment Agreement. 
  
 (i) After the Effective Time, the term “Company” or “NetScreen” in the Employment Agreement shall mean
NetScreen and/or its subsidiary that employs Employee, and their successors and assigns. 

 Krishna Kolluri  
  
 (ii) Sections 1.1, 1.2(a), 2.1, 4.1, 4.2, 5.3(a), 5.3(c), 5.5(a), 5.6, 6 and 8.2 of the Employment Agreement are hereby
deleted in their entirety. 
  
 (iii) A new Section 1.2(a) is
hereby added to the Employment Agreement to read in its entirety as follows: 
  
 “(a) As of the Effective Time, the Company employs Employee as the General Manager of the SSL Product Group and Employee hereby accepts such employment with the Company. Employee shall report to the Chief
Executive Officer of the Company and perform such duties and services for the Company, commensurate with such General Manager position as may be designated from time to time by the Chief Executive Officer.” 
  
 (iv) Section 1.2(b) of the Employment Agreement is hereby amended to change
the place of work to “offices in Mountain View or Sunnyvale, California”. 
  
 (v) A new Section 2.1 is hereby added to the Employment Agreement to read in its entirety as follows: 
  
 “2.1 Salary. Employee will be paid an annual base salary of $225,000 (“Base Salary”), payable twice monthly on
Company’s regular payroll dates.” 
  
 (vi) A new Section
4 of the Employment Agreement is hereby added to read in its entirety as follows: 
  
 “4. Additional Compensation. 
  
 4.1 Grant of Stock Options. Promptly following the Effective Time, Employee will be granted an option to purchase 200,000 shares of NetScreen’s common stock (the “New Options”)
under NetScreen’s stock option plan at an exercise price equal to the closing price of NetScreen’s common stock on the date of grant. The New Options will vest over a period of four years beginning upon the Effective Time (25% at the end
of one year, and the balance vesting thereafter over the following 36 months in equal installments), and will be subject to the terms and conditions of NetScreen’s stock option plan and standard form of stock option agreement, which Employee
will be required to sign as a condition of receiving the option. 
  
 4.2 Merger Bonus. Pursuant to Section 6.15 of the Merger Agreement, Employee will be eligible to receive a bonus of up to $200,000, with a portion thereof payable 

  

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 Krishna Kolluri  
  
 
upon continued employment for a period and upon satisfactory achievement of established performance objectives, each as determined by the Chief Executive
Officer of NetScreen. 
  
 4.3 Corporate Bonus. In
accordance with the terms and conditions of and pursuant to the Company’s Corporate Bonus policy (a summary description of which has been provided to Employee), as such policy may be amended from time to time by the Company’s Board of
Directors, Employee will be eligible for a bonus of up to 35% of Employee’s Base Salary. 
  
 4.4 Acceleration of Vesting. Notwithstanding any current or future NetScreen policy or agreement relating to acceleration of vesting benefits
applicable to Employee, including any acceleration of vesting benefits based on Employee’s status as a General Manager of the SSL Product Group and/or a Vice President of NetScreen, Employee shall be entitled during the first two (2) years
after the Effective Time only to the acceleration of vesting benefits provided in Employee’s Vesting Waiver Agreement dated October 3, 2003 with respect to stock options granted to Employee prior to the Effective Time. After such 2-year period,
Employee’s unvested stock options granted prior to the Effective Time will be subject to acceleration of vesting on the same terms as the New Options.” 
  
 (vii) New Subsections 5.3(a) and 5.3(c) of the Employment Agreement are hereby added to read in their entirety as follows:

  
 “(a) If within twenty-four (24) months of the Effective
Time, Employee is terminated by Company without Cause, Employee will receive six (6) months (the “Severance Period”) continuation of Employee’s Base Salary, payable in accordance with the Company’s normal payroll
practice.” 
  
 “(c) A transfer of Employee to
NetScreen from a subsidiary or other affiliate of NetScreen or a transfer of Employee from NetScreen to a subsidiary or other affiliate of NetScreen shall not be construed as a termination.” 
  
 (viii) A new Section 5.5(a) is hereby added to the Employment Agreement to
read in its entirety as follows: 
  

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 Krishna Kolluri  
  
 “5.5 Termination by Executive for Good Reason. 
  
 (a) Employee may terminate his employment with the Company for Good Reason. If Employee voluntarily terminates his
employment with the Company for Good Reason, Employee shall be entitled to the same Base Salary and health benefit continuation that he would have been entitled to receive under Section 5.3 if his employment were terminated by the Company without
Cause.” 
  
 (x) A new Section 6 is hereby added to the
Employment Agreement to read in its entirety as follows: 
  
 “6. Confidentiality Agreement. Employee has executed and delivered to an officer of NetScreen the standard form Confidential Information and Invention Assignment Agreement, a copy of which is attached hereto as Exhibit
A (the “Confidentiality Agreement”), which shall become effective at the Effective Time of the Merger.” 
  
 (xi) Section 7(a) of the Employment Agreement is hereby amended by substituting NetScreen’s address as follows: 
  
 “(a) if to NetScreen: 
  
 NetScreen Technologies, Inc. 
 805 11th Avenue, Building 3 
 Sunnyvale, California 94089 
 Fax: (408) 543-6760 
 Attention: Vice President, Legal Affairs” 
  
 4.
Miscellaneous. 
  
 (a) Entire Agreement. This
Amendment and Assumption Agreement, together with the Employment Agreement as amended hereby and the Confidentiality Agreement, constitutes the entire agreement and understanding of the parties with respect to the subject matter of this Amendment
and Assumption Agreement, and supersedes all prior understandings and agreements, whether oral or written, between or among the parties hereto with respect to the specific subject matter hereof. 
  
 (b) Construction of Agreement. This Amendment and Assumption Agreement
has been negotiated by the respective parties hereto and their attorneys and the language hereof will not be construed for or against either party. 
  
 (c) Governing Law. The internal laws of the State of California (irrespective of its choice of law principles) will govern the validity of this
Amendment and Assumption Agreement, the construction of its terms, and the interpretation and enforcement of the rights and duties of the parties hereto. 
  

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 Krishna Kolluri  
  
 (d) Severability. If any provision of this Amendment and Assumption Agreement, or the application thereof, shall for
any reason and to any extent be invalid or unenforceable, then the remainder of this Amendment and Assumption Agreement, and the application of such provisions to other persons or entities or circumstances as applicable, will be interpreted so as
reasonably to effect the intent of the parties hereto. 
  
 (e)
Amendment and Waivers. Any term or provision of this Amendment and Assumption Agreement may be amended, and the observance of any term of this Amendment and Assumption Agreement may be waived (either generally or in a particular instance and
either retroactively or prospectively), only by a writing signed by the party to be bound thereby. 
  
 (f) Counterparts. This Amendment and Assumption Agreement may be executed in counterparts, each of which will constitute an original and all of
which together will constitute one agreement. 
  
 (g) Effective
Date. This Amendment and Assumption Agreement shall become effective only upon the Effective Time. This Amendment and Assumption Agreement shall be null and void if the Merger Agreement is terminated in accordance with its terms. 
  
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 Krishna Kolluri  
  
 IN WITNESS WHEREOF, Employee and NetScreen have executed this Amendment and Assumption Agreement as of the date first
indicated above. 
  

	NETSCREEN TECHNOLOGIES, INC. EMPLOYEE	  	 	  	 
				
	 By:
	 	 /s/ Edie Rodriguez

	  	 By:
	  	 /s/ Krishna Kolluri

	 Name:
	 	 Edie Rodriguez

	  	 Krishna Kolluri

	 Title:
	 	 VP Human Resources

	  	 	  	 

  
 [SIGNATURE PAGE TO AMENDMENT AND ASSUMPTION AGREEMENT] 
  

 6Vesting Waiver Agreement

 EXHIBIT 10.16 
  
 Krishna Kolluri 
  
 VESTING WAIVER AGREEMENT 
  
 This VESTING WAIVER AGREEMENT (this “Agreement”) is made and entered into as of
October 3, 2003 by and between the undersigned stockholder (“Stockholder”) and NetScreen Technologies, Inc., a Delaware corporation (“Acquirer”). This Agreement shall be effective as of the closing of
the Merger (as defined below). As used herein, the term “Acquirer Employer” shall mean Acquirer or the subsidiary or affiliate of Acquirer that employs Stockholder and their successors and assigns. 
  
 RECITALS 
  
 WHEREAS, Stockholder is a party to that certain (a) Common Stock Purchase Agreement dated April 19, 2001 by
and between Neoteris, Inc., a Delaware corporation (the “Company”), and Stockholder (the “Stock Agreement”) and the (b) Amended and Restated Employment Agreement dated April 19, 2001 by and between the
Company and Stockholder (the “Employment Agreement”), which documents together with any option agreements (the “Option Agreement”) by and between the Company and Stockholder shall be referred to as the
“Compensation Arrangement”; 
  
 WHEREAS, the Company, Acquirer and Neon Acquisition Corp., a Delaware corporation and wholly owned subsidiary of Acquirer (“Merger Sub”), have entered into that certain Agreement and Plan of Merger
dated October 3, 2003 (the “Merger Agreement”) providing for the merger of Merger Sub with the Company (the “Merger”); and 
  
 WHEREAS, at the effective time of the merger of Merger Sub with the Company as defined in the Merger Agreement (the
“Effective Time”) Stockholder shall commence employment with Acquirer pursuant to the assumption of the Employment Agreement and in connection therewith Stockholder and Acquirer have entered into that certain Assumption and
Amendment Agreement that modifies the Employment Agreement (the Employment Agreement, as amended by the Amendment and Assumption Agreement, is referred to as the “Assumed Employment Agreement”). 
  
 NOW, THEREFORE, in consideration of the
foregoing and the mutual promises, covenants and conditions contained herein, the parties hereby agree as follows: 
  
 1 Acknowledgments and Waivers by Stockholder. 
  
 (a) Stockholder hereby acknowledges and agrees that the commencement of Stockholder’s employment with Acquirer Employer, on the terms and conditions
of the Assumed Employment Agreement, shall not constitute (i) a termination of Stockholder’s employment for “Good Reason” (as defined in Section 5.5(b) of the Employment Agreement), (ii) a termination of Stockholder’s employment
pursuant to Section 3(a)(iv) of the Stock Agreement, or (iii) any other type of “constructive termination” as such term is generally understood, and Stockholder hereby waives the provisions of Section 5.5(b) of the Employment Agreement
and/or the provisions of Section 3(a)(iv) of the Stock Agreement with respect to the Merger and with respect to any termination by Stockholder whether or not in connection with a change of control of the Company, Acquirer Employer or Acquirer.

 (b) Stockholder hereby waives any rights to accelerated vesting and/or accelerated exercisability, as
applicable, of Stockholder’s stock or options pursuant to the Compensation Arrangement arising as a result of the Merger or arising in connection with Stockholder’s employment with Acquirer Employer. 
  
 (c) Stockholder hereby acknowledges that, subject to and on the terms and
conditions of the Merger Agreement, as a result of the Merger Acquirer is assuming all of Stockholder’s options to purchase shares of the Company’s common stock and that Stockholder’s stock shall remain subject to its original vesting
schedule and that Acquirer will succeed to the Company’s right to repurchase Stockholder’s unvested stock on the terms and conditions of the Stock Agreement. Stockholder hereby acknowledges and agrees that none of Stockholder’s stock
or options shall automatically vest or accelerate as a result of the Merger and the transactions contemplated thereby and/or as a result of the assumption of Stockholder’s options or the assignment to Acquirer of the Company’s rights to
repurchase unvested stock as provided in the Merger Agreement. Stockholder hereby waives any rights to automatic vesting or acceleration of Stockholder’s stock or options upon or following the Merger. 
  
 2. Agreements by Acquirer. 
  
 (a) Notwithstanding the provisions of Section 1 or any other provision of
the Compensation Arrangement, subject to execution of the general release required under the first paragraph of Section 5.3 of the Assumed Employment Agreement, Acquirer hereby agrees that, upon termination of Stockholder by Acquirer Employer
without Cause (as defined in the Employment Agreement) or Stockholder’s voluntary termination for Good Reason (as defined in the Employment Agreement) within twenty-four (24) months following the Effective Time of the Merger, Stockholder shall
receive twenty-four (24) months of accelerated vesting and/or accelerated exercisability of Stockholder’s stock and options, as applicable, issued or issuable under the Stock Agreement and/or the Option Agreement; provided,
however, that Stockholder’s options under the Option Agreement, if any, shall remain exercisable only until the earlier of (i) the Expiration Date (as defined in the Option Agreement) and (ii) the date on which Stockholder’s options
under the Option Agreement would otherwise terminate following a termination without Cause (as defined in the Employment Agreement). A transfer of Stockholder from one Acquirer Employer to another Acquirer Employer shall not be construed as a
termination of Stockholder. A voluntary termination by the Stockholder shall not trigger any acceleration of vesting and/or accelerated exercisability of the Stockholder’s stock or options, except where such voluntary termination by the
Stockholder is for Good Reason (as defined in the Employment Agreement). 
  
 (b) Notwithstanding the foregoing, Stockholder shall not be entitled to any accelerated vesting and/or exercisability of the Stockholder’s stock or options, as applicable, if Stockholder’s employment is
terminated by Acquirer Employer for Cause (as defined in the Employment Agreement). 
  

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 3. Miscellaneous. 
  
 (a) Entire Agreement. This Agreement and the documents referred to herein constitute the entire agreement and
understanding of the parties with respect to the subject matter of this Agreement, and supersede all prior understandings and agreements, whether oral or written, between or among the parties hereto with respect to the specific subject matter
hereof. 
  
 (b) Construction of Agreement. This Agreement
has been negotiated by the respective parties hereto and their attorneys and the language hereof will not be construed for or against either party. 
  
 (c) Governing Law. The internal laws of the State of California (irrespective of its choice of law principles) will govern the validity of this
Agreement, the construction of its terms, and the interpretation and enforcement of the rights and duties of the parties hereto. 
  
 (d) Severability. If any provision of this Agreement, or the application thereof, shall for any reason and to any extent be invalid or
unenforceable, then the remainder of this Agreement, and the application of such provisions to other persons or entities or circumstances as applicable, will be interpreted so as reasonably to effect the intent of the parties hereto. 
  
 (e) Amendment and Waivers. Any term or provision of this Agreement may
be amended, and the observance of any term of this Agreement may be waived (either generally or in a particular instance and either retroactively or prospectively), only by a writing signed by the party to be bound thereby. 
  
 (f) Counterparts. This Agreement may be executed in counterparts, each
of which will constitute an original and all of which together will constitute one agreement. 
  
 (g) Effective Date. This Agreement shall become effective only upon the Effective Time. This Agreement shall be null and void if the Merger Agreement is terminated in accordance with its terms. 
  
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 IN WITNESS WHEREOF, Acquirer and Stockholder have executed this Agreement as of the date first indicated
above. 
  

	STOCKHOLDER:
		
	 By:
	  	 /s/ Krishna Kolluri

	Krishna Kolluri
	
	 ACQUIRER:

	
	NETSCREEN TECHNOLOGIES, INC.
		
	 By:
	  	 /s/ Edie Rodriguez

	 Name:
	  	 EDIE RODRIGUEZ

	 Title:
	  	 VP HUMAN RESOURCES

  
 [SIGNATURE PAGE TO VESTING WAIVER AGREEMENT] 
  

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