Document:

Exhibit

This is an English translation of the Japanese original

9Fixed-term Building Lease Agreement

Sumitomo Metal Mining Co., Ltd. (hereinafter referred to as the Lessor) and Mediasite Co., Ltd. (hereinafter referred to as the Lessee) have executed a fixed-term building lease agreement (hereinafter referred to as the Agreement) as prescribed in Article 38 of the Land and House Lease Law with the following terms and conditions in respect of Shinbashi Sumitomo Building (hereinafter referred to as the Building) located at Shinbashi 5-11-3, Minato-ku, Tokyo.

Article 1  (Lease Space)
1-1. The Lessor shall lease to the Lessee and the Lessee shall lease from the Lessor the space (hereinafter referred to as the Lease Space) described at the end hereof within the Building.
1-2. Besides the Lease Space stipulated in Subarticle 1-1, the Lessee may use the common areas and common facilities (hereinafter referred to as the Commonly Used Part) described at the end hereof jointly with other tenants.

Article 2  (Purpose of Use)
The Lessee shall use the Lease Space only for the following purpose and shall not use it for any other purposes.
Purpose:  Office

Article 3  (Lease Period)
3-1. The lease period shall be from October 1, 2016 to December 31, 2020.
3-2. The Agreement shall terminate at the expiry of the lease period stipulated in Subarticle 3-1 and shall not be renewable.
3-3. The Lessor shall give written notification to the Lessee between one year and six months (hereinafter referred to as the Notification Period) prior to the expiry of the lease period stipulated in Subarticle 3-1 stating that the lease will terminate upon expiry of the lease period.
3-4. In the case that the Lessor fails to give the notification stipulated in Subarticle 3-3, the Lessor may not insist on termination of the lease to the Lessee and the Lessee may continue to lease the Lease Space even after the expiry of the lease period stipulated in Subarticle 3-1.  However, in the case that the Lessor notifies the Lessee after the Notification Period that the lease will terminate upon expiry of the lease period, the lease will terminate on the date exactly six months from the date on which the notification was given.

Article 4  (Rent)
4-1. The rent shall be as described below.  The Lessee shall pay the rent for the following month by the 20th day of every month by transferring the amount to the bank account designated by the Lessor.  In this case, the bank transfer charge shall be borne by the Lessee.
Monthly rent:  4,439,000 yen
(4,840 yen per 1m2 with rounding off the amount less than 1,000 yen)
The rent for a period less than a month shall be calculated proportionately based on the number of days in the month.
4-2. The rent stipulated in Subarticle 4-1 includes the costs for maintenance and management of the Commonly Used Part and for the standard air conditioning in the Lease Space (hereinafter referred to as the Costs Equal to the Common Service Fee), which is 1,210,000 yen monthly.
4-3. The Lessee shall bear all amounts equal to consumption tax imposed on the amount subject to consumption tax among the rent stipulated in this Article and other payments the Lessee owes to the Lessor.

Article 5  (Revision of the Rent)
The Lessor and the Lessee shall not revise the rent and Article 32 of the Land and House Lease Law shall not apply.

Article 6  (Costs to be Borne by the Lessee)
The Lessee shall bear the following costs in relation to the use of the Lease Space.  The Lessee shall pay the amount that the Lessor has paid for the Lessee in advance among the following costs upon the Lessor’s request by transferring the amount to the bank account designated by the Lessor by the specified date.  In this case, the bank transfer charge shall be borne by the Lessee.
1) Electricity charges for lighting equipment and other equipment in the Lease Space.
2) Water charges for the Lease Space.
3) Expenses relating to use of the air conditioning in the Lease Space outside of the standard operating hours.
4) Actual cleaning and hygiene costs for the Lease Space.
5) Other charges and payments to be borne by the Lessee (however, the Lessor shall notify the Lessee of the amount of the charges and payments in writing in advance and obtain the Lessee’s consent).
6) Amount equal to consumption tax imposed on the above costs.

Article 7  (Security Deposit)
7-1. The security deposit shall be 35,512,000 yen (eight months of the rent) and the Lessee shall deposited it with the Lessor without interest by the date of executing the Agreement.
7-2. The Lessor and the Lessee shall not revise the security deposit.
7-3. The Lessee shall not transfer to a third party or offer for security the right to claim the refund of the security deposit.
7-4. The Lessee shall not request to offset the rent or any other obligations owing to the Lessor with the security deposit.
7-5. When the Agreement terminates due to expiration of the lease period, or early termination or cancellation of the Agreement, the Lessor shall appropriate the security deposit to all obligations borne by the Lessee when the Lessee is in arrears with the rent or other obligations and, any balance shall be returned from the Lessor to the Lessee after the Lessee completely evacuated the Lease Space.

Article 8  (Management Responsibility)
The Lessee shall use the Lease Space and the Commonly Used Part with the reasonable care of a good caretaker.

Article 9  (Prohibition of Transfer of the Right etc.)
The Lessee shall not commit the following acts.
1) Transfer to a third party or offer for security the right under the Agreement.
2) Sublease to a third party the whole or part of the Lease Space.
3) Use the Lease Space for residence or other similar purposes.
4) Have a third party share the Lease Space or post a name of a party other than the Lessee in the Lease Space.  However, this condition does not apply to the Lessee’s affiliate company or agent.  In the case that the Lessee intends to share the Lease Space with its affiliate company or agent, the Lessee shall apply to the Lessor in writing in advance and obtain the Lessor’s consent.
5) Commit any act that may inconvenience other tenants, or damage the Building including the Lease Space.

Article 10  (Alteration of the Original Condition)
10-1. In the case that the Lessee intends to carry out the following construction for its own convenience, the Lessee shall obtain the Lessor’s prior written consent.  Even after the Lessee obtained the Lessor’s consent, the Lessee shall bear all of the costs for the construction.
1) Newly install, add, or change partitions, interior finishing, or other fixtures in the Lease Space.
2) Newly install, add, or change facilities for electricity, water, or air conditioning.
3) Install or expand heavy articles or other devices requiring a large electric capacity such as safes or computers.
4) Put up a signboard, indicate the company name, or display any advertisement.
10-2. Constructions relating to Subarticle 10-1 shall be carried out by the designer and constructor specified or approved by the Lessor according to the standard separately established by the Lessor.
10-3. The Lessee shall bear the real estate acquisition tax, the fixed assets tax, and other taxes and duties related to the fixtures and facilities stipulated in Subarticle 10-1 regardless of the reason or name.

Article 11  (Work)
In the case that the Lessee outsources the work such as cleaning of the Lease Space, the Lessee shall entrust the contractor specified by the Lessor with the said work.

Article 12  (Management Rules)
The Lessee shall strictly observe the management rules of Shinbashi Sumitomo Building established by the Lessor.

Article 13  (Compensation)
13-1. In the case that the Lessee, or its agent, employee, or contractor causes damage to the Building or physical or property damage to the Lessor or a third party such as other tenant either deliberately or not, the Lessee shall compensate for all of the resulting damage.
13-2. The Lessee shall not claim anything from the Lessor for the damage suffered by the Lessee due to deliberate act or negligence of a third party such as other tenant.
13-3. In the case that the Lessee has failed to perform its monetary obligations such as the rent, the Lessee shall pay to the Lessor a late payment compensation fee calculated at an annual interest of 18.25% on the outstanding amount for a period from the date following the due date to the date of complete payment.

Article 14  (The Lessor’s Indemnification)
14-1. The Lessor shall not be liable for the Lessee’s damage caused by a force majeure such as an earthquake, fire, storm, flood, etc., or breakdown of facilities, theft, loss, power failure, or any other reasons not attributable to the Lessor.
14-2. In the case that the Lessee is prevented from using or is restricted in using the Commonly Used Part or a part of the Lease 

Space during the construction for repair or remodeling of the Building carried out by the Lessor for an unavoidable reason, the Lessee shall not claim anything from the Lessor.  However, when conducting such construction, the Lessor shall give prior written notification to the Lessee describing the scale and period of the construction, and the reason why the construction is required.  When the extent or duration of the stoppage or restriction of the Lessee’s use is excessive, the Lessor and the Lessee shall resolve the matter through mutual discussion.

Article 15  (Entry and Inspection)
15-1. The Lessor or a person designated by the Lessor may, if it is necessary to do so for administration of the Building, enter the Lease Space, inspect the same, and take appropriate measures after giving notification to the Lessee.  However, this condition shall not apply in an emergency or urgent situation when the Lessor cannot notify the Lessee of the entry in advance.
15-2. In the case that the situation described in Subarticle 15-1 arises, the Lessee shall cooperate with the Lessor.

Article 16  (Repair)
16-1. When the Lessee finds any part requiring repair due to damage or breakdown of the fixtures and facilities in the Lease Space or the Building, the Lessee shall immediately notify the Lessor to that effect.
16-2. The Lessor shall carry out at its own expense the repairs that the Lessor deems necessary for maintaining and improving the Building following notification as described in Subarticle 16-1 and the repairs that the Lessor deems necessary even when the Lessee does not forward any notification.
16-3. Notwithstanding Subarticle 16-2, the Lessee shall bear the expenses of the following repairs.
1) Repair of damages caused for a reason attributable to the Lessee.
2) Repair of the fixtures and facilities owned by the Lessee.
16-4. Even when the Lessee repairs various fixtures and facilities installed in the Lease Space as stipulated in Article 10 at its own expense and on its own responsibility, the Lessee shall obtain the Lessor’s prior written consent regarding the method of repair and shall conduct the repair according to the standard stipulated by the Lessor.  However, in an emergency or urgent situation, the Lessee shall obtain the Lessor’s consent immediately after the repair.

Article 17  (Notice of Change in Registered Matters etc.)
The Lessee shall without delay inform the Lessor in writing of any change in its sales office, trade name, or representative officer.

Article 18  (Execution of a Repeat Agreement)
18-1. In the case that the Lessor intends to execute a repeat agreement, the Lessor shall notify the Lessee to that effect within the Notification Period.
18-2. In the case that the Lessor and the Lessee agree at least six months prior to the expiry date of the lease period on the execution of a repeat fixed-term building lease agreement (hereinafter referred to as a Repeat Agreement) as stipulated in Subarticle 18-1 starting on the date following the expiry date of the lease period, the Lessor and the Lessee may execute a Repeat Agreement.
18-3. In the case that a Repeat Agreement is executed, notwithstanding the termination of the Agreement, the stipulation in Article 23 shall not apply.  However, by the termination of the lease under the terms of a Repeat Agreement, the Lessee shall fulfill its obligation to restore the Lease Space to the condition it was in at the start of the Agreement.
18-4. In the case that a Repeat Agreement is executed, the security deposit to be refunded from the Lessor to the Lessee as stipulated in Article 7 of the Agreement shall be appropriated to the security deposit to be deposited with the Lessor by the Lessee in accordance to a Repeat Agreement.  However, in the case that the security deposit to be appropriated is less than the security deposit under the terms of a Repeat Agreement, the Lessee shall additionally deposit the deficiency by the starting date of a Repeat Agreement.

Article 19  (Prohibition of Early Termination)
The Lessor and the Lessee may not terminate the Agreement early after executing the Agreement until the expiry date of the lease period.  However, only in the case that the Lessor deems that there is an unavoidable reason for the Lessee, the Lessee may terminate the Agreement early by paying to the Lessor the amount equal to the rent for the remaining period of the Agreement as a penalty.

Article 20  (The Lessor's Agent)
The Lessor may delegate, consign or contract out part or all of its tasks arising under the Agreement to an associated company of the Lessor or to a third party deemed appropriate by the Lessor.

Article 21  (Expulsion of Anti-social Force)
21-1. In the case that the Lessee falls into one of the following states, the Lessor may cancel the Agreement without any notification.  In this case, the Lessee shall lose all the benefit of time.
1) When the Lessee is deemed to be a gang (as defined in Subarticle 2-2 of the Law for the Prevention of Unjust Acts by Gang Member), a member of a gang, a quasi-member of a gang, a person related to a gang, corporate extortionist, racketeering gangster intruding in civil matters such as an extortionist, a violent group having special knowledge, or any other anti-social force, or a 

person of similar standing to any of the above (hereinafter collectively referred to as an Anti-social Force).
2) When an Anti-social Force is recognized as being substantively involved in the management of the Lessee.
3) When the Lessee is recognized as making use of an Anti-social Force.
4) When the Lessee is recognized as having provided funds etc. to an Anti-Social Force or having been involved with an Anti-Social Force by extending favors etc.
5) When the Lessee’s director or a person who substantively involved in the management of the Lessee has an association with an Anti-social Force which is similar to those stipulated in Items 2) through 4) above.
21-2. In the case that the Lessor has cancelled the Agreement as stipulated in Subarticle 21-1, the Lessor shall not be responsible for compensating or recompensing the Lessee for any damage suffered by the Lessee, and the Lessor may claim from the Lessee compensation for the damage suffered by the Lessor as a result of the cancellation.

Article 22  (Cancellation of the Agreement)
22-1. In the case that the Lessee falls into one of the following states, the Lessor shall notify the Lessee to rectify the situation within an adequate grace period and, in the case that the Lessee does not rectify the situation within the said grace period, the Lessor may cancel the Agreement.
1) When the Lessee has delayed in paying the rent etc. for two months or more.
2) When the Lessee has violated the Agreement or other agreement executed incidentally to the Agreement.
3) When the Lessee has left the Lease Space unused for six consecutive months or more without any justifiable reason.
4) When the Lessee has remarkably obstructed the occupation or use by other tenants.
22-2. In the case that the Lessee falls into one of the following states, the Lessor may immediately cancel the Agreement without giving any notification to the Lessee or taking any other proceedings.
1) When bankruptcy, civil rehabilitation, special liquidation, or reorganization has been petitioned against the Lessee or the Lessee has declared such state.
2) When the Lessee has been stopped from making transactions on its bank accounts owing to a dishonored bill or check.
3) When compulsory execution, auction, appropriation for the purpose of keeping the Lessee's assets intact, or disposition for failure to pay taxes has been petitioned against the Lessee.
4) When the Lessee’s assets, trustworthiness, or business has significantly changed and the Lessor deems that it is difficult to continue the Agreement.
22-3. When the Lessor has cancelled the Agreement in accordance with Subarticles 22-1 and 22-2, in the case that the Lessor has suffered damage as a result of the Lessee’s act, the Lessor may claim from the Lessee compensation for the said damage.

Article 23  (Evacuation)
When the Agreement terminates due to expiration of the lease period, early termination, cancellation, or any reason, the Lessee shall immediately evacuate the Lease Space and deliver the same to the Lessor as follows:
1) The Lessee shall, by the termination of the Agreement, restore the Lease Space to the condition it was in at the time the Lessee first occupied the Lease Space at the Lessee’s expense and with entrusting the contractor designated by the Lessor.  Specifically, the Lessee shall at its expense immediately remove the fixtures, facilities, and other Lessee’s articles newly installed or added in the Lease Space.  However, in the case that the Lessor gives consent, the Lessee may evacuate the Lease Space as it is.
2) In the case that the Lessee fails to restore the original condition by the termination of the Agreement, the Lessor may restore the original condition at the Lessee’s expense.  However, regarding the articles left by the Lessee, the ownership of the said articles shall be deemed to have been assigned from the Lessee to the Lessor free of charge, and the Lessor may dispose of the articles at its own discretion.
3) Upon evacuation of the Lease Space, the Lessee shall not request the Lessor to purchase the fixtures and facilities newly installed or added by the Lessee in the Lease Space, to repay the expended costs, or to pay the moving cost, evacuation fee, compensation, or any other similar amount for any reason or pretext whatsoever.
4) In the case that the Lessee fails to evacuate the Lease Space at the same time as the termination of the Agreement, the Lessee shall pay to the Lessor the damages twice the rent calculated by the day for the period from the day following the termination of the Agreement to the date on which evacuation is completed as well as the electricity, water, and other charges for the same period.  In addition, the Lessee shall compensate for any damage suffered by the Lessor due to such delay in evacuation.
5) In the case that the Lessee does not pay any debt owing to the Lessor, the Lessor may appropriate the security deposit to the said debt.

Article 24  (Automatic Termination of the Agreement)
In the case that the Building in whole or in part is lost or damaged due to a natural disaster or other force majeure and the Lease Space can no longer be used or restoration of the Lease Space is very costly, the Agreement shall cease its effect automatically.

Article 25  (Obligation of Secrecy)
The Lessor and the Lessee shall be obliged to keep secret about any confidential information relating to the other party’s business or management, or the other party’s technical information obtained in relation to the Agreement, shall not disclose or divulge the 

said information to a third party without obtaining the other party’s consent, and shall not use the said secret for any purpose other the purpose of fulfilling the Agreement.  This condition shall apply to the case where the Agreement is terminated early and after the termination of the Agreement.

Article 26  (Jurisdiction)
The agreed court of exclusive jurisdiction in the first instance with respect to any dispute arising in relation to the Agreement shall be the Tokyo District Court.

Article 27  (Governing Law)
The Japanese law shall govern the Agreement.

Article 28  (Negotiation)
When either party has a question regarding matters that are not stipulated in the Agreement, both parties shall discuss the matter sincerely, looking for a mutual agreement.

Article 29  (Special Agreement)
Notwithstanding the stipulation in Article 4 of the Agreement, the Lessor shall exempt the Lessee from obligation to pay the rent (excluding the Costs Equal to the Common Service Fee) only for the period from October 1, 2016 to February 28, 2017.  However, the starting date of calculating the Costs Equal to the Common Service Fee, 1,210,000 yen monthly (consumption tax shall be paid separately), shall be the starting date of lease on October 1, 2016.

IN WITNESS WHEREOF, both parties have caused the Agreement to be executed, signed and sealed in duplicate, so that each holds one copy.

Date:

The Lessor:
Shinbashi 5-11-3, Minato-ku, Tokyo
Sumitomo Metal Mining Co., Ltd.
Representative Director, Yoshiaki Nakazato

The Lessee:

1. Designation of the Lease Space
(1) Location: Shinbashi 5-11-3, Minato-ku, Tokyo
(2) Structure and size of the Building: steel framed reinforced concrete structure with two stories below ground and 11 stories above ground, and two-story penthouse
(3) Lease space and area: 917.29 m2 on the 8th floor (portion marked with diagonal lines on the drawing below)

2. Commonly Used Part
Entrance hall
Elevator hall
Stairway
Corridors
Toilet
Kitchenette
Attached facilities:
Electric facilities
Water supply and sewage sanitation facilities
Air conditioning facilities
Elevator facilities
Other parts necessary for normal use of the Lease Space

Date:

Explanation of the Fixed-term Building Lease Agreement

         Lessor:
Shinbashi 5-11-3, Minato-ku, Tokyo
(The Lessor) Sumitomo Metal Mining Co., Ltd.
Representative Director, Yoshiaki Nakazato

Execution of a fixed-term building lease agreement in respect of the lease space stipulated below is explained as follows based on Subarticle 38-2 of the Land and House Lease Law.

The agreement on the lease of the lease space stipulated below is not renewable and the lease shall terminate at the expiry of the lease period.  Accordingly, the lease space stipulated below must be evacuated by the expiry date of the lease period, except in the case that a new lease agreement (a repeat agreement) starting on the date immediately following the expiry of the lease period is executed.

1. Lease space:
1) Name of the building: Shinbashi Sumitomo Building
2) Location: Shinbashi 5-11-3, Minato-ku, Tokyo
3) Lease space and area: 917.29 m2 on the 8th floor (portion marked with diagonal lines on the drawing below)

2. Lease period
From October 1, 2016 to December 31, 2020
.....................................................................................................................
I hereby certify that I have received the explanation based on Subarticle 38-2 of the Land and House Lease Law in respect of the lease space stipulated above.

Date:
Lessee (the Lessee)        SealEX-10.16

 Exhibit 10.16 

EMPLOYMENT AGREEMENT 

MKS Instruments, Inc., a Massachusetts corporation (the “Company”), and Seth Bagshaw of Boxford, MA (“Employee”)
agree, effective August 1, 2016, as follows. 
 1. Employment. The Company is employing Employee on an at-will basis in the
position of Vice President and Chief Financial Officer. Employee agrees to comply with the Company’s policies.
 2.
Confidential Information Agreement. Employee will sign and deliver to the Company, at the same time that Employee executes this Employment Agreement, the Confidential Information, Intellectual Property and Non-Solicitation Agreement of
MKS Instruments, Inc. (“Confidential Information Agreement”) that is Attachment 1 to this Employment Agreement. 
 3. Duty to
The Company. While employed by the Company, Employee: (a) will devote his or her full working time and best efforts to the business of the Company; and (b) will not (without the prior, express, written consent of the Chief
Executive Officer of the Company) engage in any business activity (whether or not for gain) that interferes with Employee’s work for the Company. Notwithstanding the previous sentence, this Employment Agreement does not prohibit Employee
from managing his or her personal investments or engaging in charitable and unpaid professional activities (including serving on charitable and professional boards), so long as doing so does not materially interfere with Employee’s work for the
Company or violate Section 7 of this Employment Agreement.
 4. Compensation.  

(a) Base Salary. The Company will pay Employee base salary at the rate of $475,000 per year (the “Base Salary”), in
accordance with the Company’s normal payroll practices. The Company may review and adjust the amount of the Base Salary from time to time in its sole discretion.

(b) Incentive Compensation Plan. Employee will be entitled to participate in the Company’s Annual Corporate Management/Key
Employee Bonus Plan, to the extent applicable to Employee’s position.
 (c) Stock Incentive Plan. Employee will be entitled
to participate in the Company’s stock incentive plan to the extent applicable to Employee’s position.
 (d)
Benefits. Employee will be eligible to participate in the Company’s generally available employee benefit plans, which currently include medical, dental, vision, life, accidental death and dismemberment, short-term disability and
long-term disability insurance, a 401(k) savings plan and an employee stock purchase plan, subject to the terms and conditions of each plan.

(e) Paid Time Off. Employee will be eligible for 20 days of paid vacation per year, plus paid sick time and holidays, all
subject to the terms and conditions of the Company’s policies. 

 (f) Expenses. The Company will reimburse Employee for expenses Employee reasonably
incurs in performing his or her duties, to the extent provided in the Company’s expense reimbursement policies. Reimbursement of expenses in one tax year will not affect reimbursement of expenses in any other tax year. 

5. End of Employment. Either Employee or the Company may end the employment relationship at any time, for any reason, with or
without notice or cause. The employment relationship will end automatically and immediately upon Employee’s death or entitlement to long-term disability benefits under the Company’s long-term disability program. The date on which
Employee’s employment ends, whether as the result of a resignation by Employee, a termination of employment by the Company or an automatic termination of employment upon death or disability, is referred to in this Employment Agreement as the
“Employment End Date.” If Employee resigns or the Company terminates Employee’s employment, the Company will (in either case) have the right at any time, for any reason in its sole discretion to decide the Employment End
Date. In no event will the Company’s deciding the Employment End Date following Employee’s resignation be considered termination by the Company of Employee’s employment.

6. Company Obligations Upon End of Employment. When the employment relationship ends, the Company will have no obligation
to pay or provide Employee at any time any compensation, payment or benefit of any kind, except as expressly provided in Sections 6(a) though through 6(e) below.

(a) Minimum Obligations. When the employment relationship ends, no matter how it ends: (i) the Company will pay Employee any
unpaid Base Salary through the Employment End Date; (ii) Employee will be entitled to accrued, vested benefits under the Company’s benefit plans and programs to the extent provided in Section 4(d); (iii) the Company will pay Employee for
any accrued but unused vacation; and (iv) the Company will reimburse Employee for any unreimbursed expenses incurred through the Employment End Date to the extent provided in Section 4(f).

(b) 30 Days’ Base Salary After Certain Resignations. If Employee provides the Company at least 30 days’ advance written
notice of resignation of employment, is an active employee in good standing at the time of such notice and continues to perform his or her duties diligently and professionally to the extent requested thereafter, the Company will pay Employee his or
her Base Salary for at least 30 days after such notice, even if the Employment End Date is earlier. 
 (c) 30 Days’ Base Salary
After Certain Terminations. If the Company terminates Employee’s employment other than for Cause, as defined below, the Company will provide Employee with written notice of termination and pay Employee his or her Base Salary for at
least 30 days after such notice of termination, even if the Employment End Date is earlier.
 (d) Eligibility for Ordinary Severance
Pay. If the Company terminates Employee’s employment, Employee will be eligible for severance pay in a lump sum in an amount equal to a minimum of 6 months of Base Salary or two weeks of Base Salary per year of service, whichever is
greater, in either case provided that all of 

  
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the following conditions are satisfied: (i) the Company’s primary reason for terminating Employee’s employment was a change to the Company’s business needs (such as reduction
in force or elimination of position) and not Cause as defined below; (ii) Employee has complied with and continues to comply with all of Employee’s obligations under this Employment Agreement and the Confidential Information Agreement; and
(iii) Employee executes, provides to the Company within 45 days after the Employment End Date and does not thereafter revoke or attempt to revoke, a general release of claims in a form satisfactory to the Company (“General
Release”). The Company’s good-faith determination that one or more of the conditions listed above has not been satisfied will be binding and conclusive. 

(e) Eligibility for Enhanced Severance Compensation. Employee will become eligible for the “Enhanced Severance
Compensation,” as described below, instead of severance pay under Section 6(d) above or under any other program or policy of the Company, if and only if all of the following conditions are satisfied: (i) the Company terminates
Employee’s employment without “Cause” (as defined below) or Employee resigns for “Good Reason” (as defined below); (ii) the Employment End Date is within 24 months after the effective date of a Change in Control (as
defined below); (iii) Employee has complied with and continues to comply with all of Employee’s obligations under this Employment Agreement and the Confidential Information Agreement; and (iv) Employee executes, provides to the Company
within 45 days after the Employment End Date and does not thereafter revoke or attempt to revoke, a General Release. The Company’s good-faith determination that one or more of the conditions listed above has not been satisfied will be
binding and conclusive.
 (f) “Enhanced Severance Compensation.” If Employee becomes eligible for the Enhanced
Severance Compensation:
 (i) Base Salary. The Company will pay Employee, within 14 days after the General
Release become irrevocable, a lump sum in an amount equal to two times annual Base Salary (determined without regard to any reduction in Base Salary giving rise to “Good Reason,” as defined below). 

(ii) Incentive Compensation. The Company will pay Employee, within 14 days after the General Release becomes
irrevocable, a lump sum equal to two times the annual amount of incentive compensation for which Employee was eligible under any Incentive Compensation Plan of the Company then in effect for the year containing the Employment End Date. Additionally,
the Employee will receive a payment for target bonus, prorated for the current year. 
 (iii) Continuation of
Benefits. For a period of 24 months after the Employment End Date, to the extent Employee elects to continue group medical, vision, or dental insurance coverage under COBRA and timely remits the amount of premium assessed to similarly
situated active employees for comparable coverage, the Company will pay the Company’s usual share of such premiums. Benefits payable under this Section 6(f)(iii) will terminate to the extent Employee ceases to be eligible for COBRA
coverage under the Company’s medical benefits plan. Notwithstanding the foregoing, the Company will not pay the contribution toward COBRA coverage described above to the extent that the 

  
 3 

 
Company reasonably determines that doing so would subject the Company to the excise tax under Section 4980D of the Internal Revenue Code (the “Code”) (as a result of discriminatory
coverage under a group health plan). 
 (iv) Restricted Stock Units or Stock Appreciation Rights Employee’s
unvested equity awards as of the Employment End Date will be subject to accelerated vesting to the extent provided in the respective equity award agreement issued to Employee under the then effective MKS Instruments, Inc. equity incentive plan
(including the MKS Instruments, Inc. 2014 Stock Incentive Plan. 
 (vi) No Obligation to Mitigate Damages; Effect on Other
Contractual Rights. Employee will not be required to mitigate damages or the amount of any payment provided for under this Employment Agreement by seeking other employment or otherwise, nor will any payment provided for under this
Employment Agreement be reduced by any compensation earned by Employee as the result of employment by an employer other than the Company or a direct or indirect parent, subsidiary or affiliate of the Company after the Employment End Date, or
otherwise. 
 (g) “Cause.” “Cause” to terminate Employee’s employment will exist if Employee:

 (i) commits a felony or engages in fraud, misappropriation or embezzlement; 

(ii) knowingly fails or refuses to perform Employee’s duties in a material way and, to the extent that the Company
determines such failure or refusal can reasonably be cured, fails or refuses to effect a cure within 10 days after the Company notifies Employee in writing of the failure or refusal; 

(iii) knowingly causes, or knowingly creates a serious risk of causing, material harm to the Company’s business or
reputation; or 
 (iv) breaches, in a material way, this Employment Agreement, the Confidential Information Agreement or any
other agreement between Employee and the Company, and, to the extent that the Company determines such breach can reasonably be cured, fails or refuses to effect a cure within 10 days after the Company notifies Employee in writing of the breach. 

(h) “Good Reason.” “Good Reason” for Employee to resign will exist if, without Employee’s express
written consent: 
 (i) the Company materially reduces Employee’s position, duties or responsibilities; 

(ii) the Company reduces Employee’s Base Salary as in effect on the date hereof or as the same may be increased from time
to time during the term of this Employment Agreement; 

  
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 (iii) the Company changes Employee’s principal place of work to a location
more than 50 miles from Employee’s current principal place of work. 
 Notwithstanding the foregoing, an action described above will not constitute
Good Reason unless: (A) Employee, within 30 days after the he or she learns, or with reasonable diligence should have learned, of such action, delivers to the Company written notice identifying the action as Good Reason and demanding its correction;
(B) the Company fails to correct such event within 30 days after receipt of such notice; and (C) Employee resigns for Good Reason within 90 days after the date Employee learned, or with reasonable diligence should have learned, of such action.

 (i) “Change in Control.” For purposes of this Employment Agreement, the term “Change in Control”
will mean the first to occur of any of the following events: (i) any “person” (as that term is used in Section 13 and 14(d)(2) of the Securities Exchange Act of 1934 (“Exchange Act”)) becomes the beneficial owner (as that
term is used in Section 13(d) of the Exchange Act), directly or indirectly, of fifty percent (50%) or more of MKS’ capital stock entitled to vote in the election of directors; (ii) the shareholders of MKS approve any consolidation or merger of
MKS other than a consolidation or merger of MKS in which the holders of the common stock of MKS immediately prior to the consolidation or merger hold more than fifty percent (50%) of the common stock of the surviving corporation immediately after
the consolidation or merger; or (iii) the shareholders of MKS approve the sale or transfer of all or substantially all of the assets of MKS to parties that are not within a “controlled group of corporations” (as defined in Code Section
1563) in which MKS is a member.
 7. Non-Competition.

(a) During Employee’s MKS Employment (as defined below) and for 12 months immediately thereafter (together, the “Non-Compete
Period”), Employee will not engage in or otherwise carry on, directly or indirectly anywhere in the world (as principal, agent, employee, employer, investor, shareholder (except for holdings of no greater than 1% of the total outstanding shares
in a publicly-traded company), consultant, partner, member, manager, financier or in any other individual or representative capacity of any kind whatsoever), any Competitive Activity (as defined below).

(b) “MKS Employment” means the period beginning on the first day that Employee is employed by the Company and ending on the first
day on which Employee is no longer employed by any MKS Entity (as defined below).
 (c) “MKS Entity” means (i) the Company; (ii)
any current or future parent, subsidiary or affiliate of the Company; or (iii) any successor or assign of (i) or (ii).
 (d)
“Competitive Activity” means business or activity competitive with an MKS Entity but only to the extent that business or activity is related to, similar to or competitive with the activities of the business unit(s), division(s),
laborator(y)(ies), facilit(y)(ies) and other operational unit(s) in or for which Employee performed work for an MKS Entity or about which Employee acquired Proprietary Information (as defined in the Confidential Information Agreement).

  
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 (e) The Non-Compete Period will be extended for any period during which Employee is in breach of
this Employment Agreement or the Confidential Information Agreement.
 (f) If any court of competent jurisdiction determines that this
Section 7 is unenforceable because the Non-Compete Period is too long or because Competitive Activity includes too great a range of activities or too wide a geographic scope, the parties agree that this Section 7 should be interpreted to extend only
over the maximum period of time or range of activities or geographic scope as to which it may be enforceable. 
 (g) The post-employment
restrictions on Employee’s conduct contained in this Employment Agreement and in the Confidential Information Agreement: (i) will continue to apply even if Employee’s duties, title, compensation, location or other terms or conditions
of employment change, and even if such change or changes are material; and (ii) will apply regardless of how or why Employee’s employment ends.

(h) The Company and Employee agree that violation by Employee of any of the provisions of this Section 7 of this Employment Agreement would
cause the Company irreparable harm beyond what could reasonably or adequately be compensated in damages, and that the Company would therefore be entitled (in addition to the Company’s other remedies) to an injunction, declaratory judgment or
restraining order against any such violation or threatened violation.
 8. Code Section 409A Compliance.

(a) Where this Employment Agreement refers to Employee’s termination of employment for purposes of receiving any payment, whether
such a termination has occurred will be determined in accordance with Section 409A of the Internal Revenue Code (the “Code”) and Treasury Regulation Section 1.409A-1(h) (or any successor provisions) to the extent required by law. 

(b) To the extent that benefits under Section 6 are contingent upon Employee providing a General Release, Employee will sign and return the
General Release within the reasonable time period designated by the Company, which will not be more than 45 days. If the period for Employee to review a General Release plus any revocation period crosses calendar years, payments contingent
upon the Release will be made in the later calendar year. Any payments contingent upon the General Release that would otherwise be made during the period for review and revocation of the General Release will be made, provided that the General
Release is timely executed and returned to the Company and not revoked, on the first scheduled payment date after such period ends. Each payment in respect of Employee’s termination of employment under Section 6 of the Employment Agreement is
designated as a separate payment for Section 409A purposes.

  
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 (c) If Employee is designated as a “specified Executive” within the meaning of Code
Section 409A (while the Company is publicly traded), any deferred compensation payment subject to Section 409A to be made during the six-month period following Employee’s termination of employment will be withheld and the amount of the payments
withheld will be paid in a lump sum, without interest, during the seventh month after Employee’s termination; provided, however, that if Employee dies prior to the expiration of such six month period, payment to Employee’s beneficiary will
be made as soon as reasonably practicable following Employee’s death. The Company will identify in writing delivered to Employee any payments it reasonably determines are subject to delay under this Section 8(c). In no event will the
Company have any liability or obligation with respect to taxes for which Employee may become liable as a result of the application of Code Section 409A. 

9. Code Sections 280G/4999. If (a) any payments or benefits to Employee in connection with this Employment Agreement
(“Payments”) would be subject to the excise tax imposed by Code Section 4999 (the “Parachute Tax”), (b) paying Employee a lesser amount would avoid the Parachute Tax entirely and (c) payment of such lesser amount would, after
taking into account applicable federal, state and local income taxes and the Parachute Tax, result in Employee receiving a greater after-tax payment than if the Company made the Payments in full, then the Company will pay Employee such lesser amount
instead of making the Payments in full. The reporting and payment of any Parachute Tax will in all events be Employee’s responsibility. The Company will not in any event provide a gross-up or any other payment to compensate Employee
for the payment of the Parachute Tax or for any reduction in the Payments. The Company will withhold from the Payments any amounts it reasonably determines are required under Code Section 4999(c) and the Treasury Regulations thereunder. 

10. Withholding. The Company will deduct from the amounts payable to Employee pursuant to this Employment Agreement all
withholding amounts and deductions required by law or authorized by Employee.
 11. Changes to Plans and Policies. Nothing in
this Employment Agreement will: (a) require the Company or its affiliates to establish, maintain or continue any incentive compensation plan, stock incentive plan or other benefit plan, policy or arrangement; (b) restrict the right of the
Company or any of its affiliates to amend, modify or terminate any such plan, policy or arrangement; (c) entitle Employee to participate in any such plan policy or arrangement at any specified level (or at all) in any year; or (d) prevent any future
change to any such plan, policy or arrangement from applying to Employee in accordance with the terms of the change. 
 12.
Assignment. The rights and obligations of the Company under this Employment Agreement will inure to the benefit of, and be binding upon, the Company’s successors and assigns. The rights and obligations of Employee under this
Employment Agreement will inure to the benefit of, and will be binding upon, Employee’s heirs, executors and legal representatives. Employee may not delegate or assign any obligations under this Employment Agreement. 

13. Entire Agreement and Severability. This Employment Agreement and the Confidential Information Agreement supersede any and all
other agreements, either 

  
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oral or in writing, between Employee and the Company with respect to the Company’s employment of Employee. They contain all of the covenants and agreements between the parties with
respect to such employment. Neither party is entering into this Employment Agreement on the basis of any representation, inducement, promise or agreement, oral or otherwise, by any party, or by any one acting on behalf of any party, which is
not stated herein. Any modification of this Employment Agreement will be effective only if it is in writing and signed by both parties to this Employment Agreement. If any provision in this Employment Agreement is held by a court of
competent jurisdiction to be invalid, void or unenforceable, the remaining provisions will nevertheless continue in full force and effect without being impaired or invalidated in any way. 

14. Miscellaneous. This Employment Agreement and the rights and obligations of the parties hereunder will be governed by, and
construed in accordance with, the laws of the Commonwealth of Massachusetts, excluding (but only to the extent permitted by law) its conflict of laws and choice of law rules. The parties agree that service of any process, summons, notice or
document by U.S. certified mail or overnight delivery by a generally recognized commercial courier service to Employee’s last known address (or any mode of service recognized to be effective by applicable law) will be effective service of
process for any action, suit or proceeding brought against Employee. The failure of either party hereto to enforce any right under this Employment Agreement will not be considered a waiver of that right, or of damages caused thereby, or of any
other rights under this Employment Agreement.
 15. Arbitration and Waiver of Jury Trial.

(a) Any “Legal Dispute” (as defined below) between Employee and any MKS Entity (or between Employee and any employee or agent of
any MKS Entity, to the extent directly or indirectly arising from or relating in any way to Employee’s employment with or separation from the Company) will be resolved by final and binding arbitration. Notwithstanding the foregoing
sentence, the Company may, in its sole discretion, obtain preliminary injunctive relief enforcing the provisions of the Confidential Information Agreement or Section 7 of this Employment Agreement from any court of competent jurisdiction.

(b) “Legal Dispute” means a dispute about legal rights or legal obligations, including but not limited to any rights or obligations
arising under this Employment Agreement; the Confidential Information Agreement; any other agreement; any applicable legal or equitable doctrine; any applicable common law theory; or any applicable federal, state or local, statute, regulation or
other legal requirement.
 (c) The arbitration will be held in the Commonwealth of Massachusetts. It will be conducted in accordance
with the then-prevailing Employment Arbitration Rules of the American Arbitration Association.
 (d) Notwithstanding any other provision of
this Employment Agreement or any other agreement or of any arbitration rules, no Legal Dispute involving any MKS Entity may be included in any class or collective arbitration or any other class or collective proceeding. The exclusive method for
resolving any such Legal Dispute will be arbitration on an individual basis.

  
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 (e) Any issues about whether a dispute is subject to arbitration will be determined by a court of
competent jurisdiction and not by an arbitrator. Any issues about the meaning or enforceability of Section 15(d) will be decided by a court of competent jurisdiction and not by an arbitrator.

(f) The Company, Employee and the arbitrator will treat all aspects of the arbitration proceedings, including without limitation, discovery,
testimony and other evidence, briefs and the award, as strictly confidential, except that the arbitration award may be disclosed to the extent necessary to enforce the award, the provisions of the Confidential Information Agreement or the provisions
of this Employment Agreement.
 (g) Employee and the Company understand and acknowledge that by agreeing to arbitrate the disputes covered
by this Section 15, they are waiving the right to resolve those disputes in court and waiving any right to a jury trial with respect to those disputes.

16. Knowing and Voluntary Agreement. Employee understands that Employee has the right to consult counsel before signing this
Employment Agreement.
 IN WITNESS WHEREOF, the parties hereto have executed, in the Commonwealth of Massachusetts, this Employment
Agreement as a sealed instrument, all as of the day, month and year first written above. 
 MKS INSTRUMENTS, INC. 

 

							
	 By: /s/ Gerald G. Colella
	 		 	Dated:	 	8/1/16
	Name: Gerald G. Colella	 		 		 	
	Title: CEO & President	 		 		 	
				
	 /s/ Seth H. Bagshaw
	 		 	Dated:	 	July 27, 2016
	[EMPLOYEE]	 		 		 	

  
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