Document:

EX-10.2

 Exhibit 10.2 

TRANSITION SERVICES AGREEMENT 

This Transition Services Agreement (together with the Service Schedules hereto, the “TSA”) is made as of July 14, 2015
(the “Effective Date”) by and among Danaher Corporation, a Delaware corporation (“Service Provider”), Potomac Holding LLC, a Delaware limited liability company (together with its successors and assigns,
“Service Recipient”), and, for purposes of Section 12.11, NetScout Systems, Inc., a Delaware corporation (“NetScout”). 

W I T N E S S E T H: 
 WHEREAS,
Service Provider is engaged, directly and indirectly, in the Communications Business; 
 WHEREAS, Service Provider, NetScout Systems, Inc.,
a Delaware corporation (“NetScout”) and Service Recipient have entered into a Separation and Distribution Agreement, dated as of October 12, 2014 (as amended, modified or supplemented from time to time in accordance with its
terms, the “Distribution Agreement”), pursuant to which (i) Service Provider has agreed to transfer to Service Recipient, and Service Recipient has agreed to receive and assume, certain assets and liabilities of Service
Provider’s Communications Business and (ii) following such transfer and the other transactions specified in the Distribution Agreement, Service Provider has agreed to effect the Distribution, all as more specifically described in, and
subject to the terms of, the Distribution Agreement; 
 WHEREAS, Service Provider, Service Recipient, NetScout, RS Merger Sub I, Inc., a
Delaware corporation and a direct wholly owned Subsidiary of NetScout (“Merger Sub”), and RS Merger Sub II, LLC, a Delaware limited liability company and a direct wholly owned Subsidiary of NetScout (“Merger Sub
II”), have entered into an Agreement and Plan of Merger and Reorganization, dated as of October 12, 2014 (as amended, modified or supplemented from time to time in accordance with its terms, the “Merger Agreement”),
pursuant to which, (i) immediately following the Distribution, Merger Sub will merge with and into Service Recipient, with Service Recipient as the surviving company (“Merger One”) and the Service Recipient common units will be
converted into shares of common stock of NetScout on the terms and subject to the conditions of the Merger Agreement and (ii) immediately following Merger One, Service Recipient will merger with and into Merger Sub II, whereby the separate
corporate existence of Service Recipient will cease and Merger Sub II will continue as the surviving company and wholly-owned subsidiary of NetScout (“Merger Two”, and together with Merger One, the “Mergers”); 

WHEREAS, prior to the Closing, the Communications Business received certain services from Service Provider and certain of its Affiliates; and

 WHEREAS, Service Recipient desires that certain of these services continue to be provided after the Closing upon the terms and conditions
set forth in this TSA. 
 NOW THEREFORE, in consideration of the mutual covenants and agreements contained in this TSA, and intending to be
legally bound, and for other good and valuable consideration, 

 
the receipt and sufficiency which are hereby acknowledged, the Parties hereto hereby agree as follows: 

SECTION 1. Definitions Incorporated. All capitalized terms used but not otherwise defined in this TSA have the meaning ascribed to
them in the Distribution Agreement or the Merger Agreement, as applicable. 
 SECTION 2. Additional Definitions. Unless the
context otherwise requires, the following terms, in their singular or plural forms, used in this TSA shall have the meanings set forth below: 

2.1 “Business Data” has the meaning set forth in Section 6.14 of this TSA. 

2.2 “Confidential Information” has the meaning set forth in Section 11.1 of this TSA. 

2.3 “Cost” means the prices to be paid and costs and expenses incurred by Service Provider and its Affiliates
in connection with providing such Services or Other Services to Service Recipient as set forth in a Service Schedule. 
 2.4
“Cutover Plan” has the meaning set forth in Section 6.12 of this TSA. 
 2.5 “Disclosing
Party” has the meaning set forth in Section 11.1 of this TSA. 
 2.6 “EAR” has the meaning set
forth in Section 6.11 of this TSA. 
 2.7 “Expiry Date” has the meaning set forth in
Section 5.2 of this TSA. 
 2.8 “Force Majeure Event” has the meaning set forth in
Section 7 of this TSA. 
 2.9 “Losses” means direct losses, damages, costs and expenses;
provided, that “Losses” shall not include any (A) punitive, exemplary or special damages or (B) any indirect or consequential damages. 

2.10 “Other Services” means any services that Service Provider or its Affiliates provided to the
Communications Business prior to the Closing that (i) are not listed on a Service Schedule and (ii) Service Recipient reasonably requests that Service Provider provide to Service Recipient during the Term and subject to the terms and
conditions hereof. If Service Recipient so requests and those Services were previously provided by Service Provider to the Communications Business, (A) the mutually agreed upon terms of such additional services, including Cost thereof, shall be
added to the Service Schedule and (b) such revised Service Schedule shall be deemed to be a part of this TSA from and after the date thereof. 

2.11 “Party” means each of Service Provider and Service Recipient. 

  
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 2.12 “Receiving Party” has the meaning set forth in
Section 11.1 of this TSA. 
 2.13 “Sales and Service Taxes” has the meaning set forth in
Section 4.2.1 of this TSA. 
 2.14 “Service Schedule” means a schedule for Services that is
attached to this TSA. 
 2.15 “Service Term” means the period of time during which Service Provider will
provide each individual Service to Service Recipient as specified for such Service in the column titled “Service Term” in the Service Schedule. 

2.16 “Services” means (i) the services to be provided by Service Provider or an Affiliate of Service
Provider to Service Recipient set forth in a Service Schedule and (ii) the Other Services. 
 2.17
“Term” has the meaning set forth in Section 5.2 of this TSA. 
 2.18 “Transition
Term” has the meaning set forth in Section 5.1 of this TSA. 
 Other terms are used as defined elsewhere herein. 

SECTION 3. Services Provided. 

3.1 Agreement to Provide Services. Pursuant to the terms and conditions of this TSA and the applicable Service
Schedules, Service Provider will, or will cause one or more of its Affiliates to, provide the Services described in each Service Schedule and the Other Services to Service Recipient. Unless otherwise agreed by the Parties in a Service Schedule,
Service Provider shall not be required to provide any Service in a location other than where such Service was performed prior to the Closing. Neither Service Provider nor any of its Affiliates will be required to render any Services in a particular
location that would necessitate that Service Provider or any of its Affiliates qualify to do business in any location or jurisdiction other than the current locations and jurisdictions where Service Provider or any such Affiliate, as applicable,
does business as of the Effective Date. Service Recipient agrees that the Services are for the sole use and benefit of the Service Recipient, its parent entity and its Affiliates, in each case, solely with respect to the Communications Business sold
at Closing. Service Recipient shall not resell any of the Services to any Person whatsoever and shall not permit the receipt or use of the Services by any Person other than for the conduct of the Communications Business in the ordinary course
consistent with past practice. For the avoidance of doubt, except (i) as set forth in a Service Schedule executed by each Party and (ii) with respect to Other Services, neither Service Provider nor any of its Affiliates shall be obligated
to provide any other services to Service Recipient or any of its Affiliates. 

  
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 3.2 Points of Contact; Disputes. 

3.2.1 Points of Contact. With respect to the Services on a Service Schedule, each of Service Provider and Service Recipient has named a
point of contact on such Service Schedule, and with respect to each Other Service, each of Service Provider and Service Recipient shall name a point of contact prior to the provision such Other Service. Such points of contact shall be the initial
points of contact with respect to any matters with respect to the day-to-day provision of such Services, including attempting to resolve any issues that may arise during the performance of such Services. Any reference in this TSA to the co-operation
of the Parties, or the use of good faith efforts to negotiate between the Parties or any other contact or communication between the Parties, shall be deemed to be an obligation of such points of contact on behalf of the Parties and for communication
to be, in the first instance, between the respective points of contact of Service Provider and Service Recipient and, if requested by a Party, the applicable functional leaders of each Party shall participate in such negotiation (e.g., if the
Services subject to the Dispute concern IT, then the functional heads of the Parties for such IT services shall participate). If the points of contacts are not able to resolve a dispute within ten (10) Business Days (or such longer period as
the points of contact may mutually agree), the terms in Section 3.2.2 shall apply. The points of contact may, by mutual agreement, delegate authority to other Service Provider and Service Recipient personnel to act as initial points of
contact with respect to certain Services or categories of Services as appropriate. 
 3.2.2 Disputes. In the event of any material
dispute between the Parties relating to the Services or this TSA that is not resolved by the Parties’ respective points of contact pursuant to Section 3.2.1, the points of contact may escalate the dispute to senior management of the
Parties, which for Service Provider shall initially be Monti Ackerman for Fluke Networks and Jan Erik Barkenaes for Tektronix, depending on which party is the most applicable party with respect to the Dispute, and for Service Recipient shall
initially be Michael Szabados, COO. Within five (5) Business Days of the receipt by a Party of a notice from the other Party of the existence of a Dispute (the “Dispute Notice”), the receiving Party shall submit a written
response to the other Party (the “Dispute Response”). Both the Dispute Notice and the Dispute Response shall include (i) a statement of the disputing Party’s position with regard to the Dispute and a summary of arguments
supporting that position; and (ii) the name and title of the senior executive who will represent that Party in attempting to resolve the Dispute pursuant to this Section 3.2.2. Within five (5) Business Days of receipt of the
Dispute Response, the designated executives shall meet (including by teleconference or video conference) and attempt to resolve the Dispute. All communications made in connection with this clause shall be confidential and shall not be referred to,
or admissible for any purpose, in any subsequent proceedings. If any Dispute is not resolved within twenty (20) days of receipt of the Dispute Notice (or within such longer period as to which the Parties have agreed in writing), then the
Dispute shall be submitted to arbitration in accordance with Section 12.5.2. Each Party agrees that it will, unless otherwise directed or if rendered impracticable by the other Party, continue performing its other undisputed obligations
under this TSA while any dispute is being resolved until the Expiry Date or the earlier termination of this TSA pursuant to Section 5. 

SECTION 4. Compensation. 

4.1 Compensation for Services. Subject to the terms and conditions in this TSA, the compensation to be paid by Service
Recipient to Service Provider for (i) each Service set forth in a Service Schedule during the Transition Term and (ii) each Other 

  
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Service during the Transition Term shall equal the Cost set forth in the applicable Service Schedule with respect to such Service or Other Service. Except as otherwise set forth in a Service
Schedule, for any Service where the price for the Services is expressed as a specified dollar amount per month, if such Services are provided for only a portion of the month, the Services will be deemed provided for a full month for purposes of
determining the fees under this TSA. 
 4.2 Out-of-Pocket Costs and Expenses. Unless otherwise set forth on a Service
Schedule, the prices for the Services set forth in the Service Schedules as of the Effective Date are exclusive of (a) any expenses related to travel (including long-distance and local transportation, accommodation and meal expenses and other
incidental expenses) by Service Provider’s or its Affiliates’ personnel in connection with performing the Services, (b) all third party consultant and service provider fees incurred in connection with the Services and (c) any
other incremental out-of-pocket, third party costs for assets or services acquired to provide the Services, and all of the foregoing shall be charged by Service Provider to Service Recipient on a straight pass-through basis. For the avoidance of
doubt, with respect to any costs and expenses described (i) in the foregoing clause (a), such costs and expenses shall be consistent with Service Provider’s general approach with respect to such types of costs and expenses and (ii) in
the foregoing clauses (b) and (c), such costs and expenses shall be consistent with Service Provider’s general approach with respect to fees and payments to third parties or approved in advance if over $100,000.00 on an annualized basis
for any particular Service. 
 4.2.1 The prices set forth in the Service Schedules are exclusive of taxes. Service Recipient will pay and
be liable for any and all sales, service, value added, or similar taxes imposed on, sustained, incurred, levied and measured by: (a) the cost, value or price of Services provided by Service Provider under this TSA; or (b) Service
Provider’s cost in acquiring property or services used or consumed by Service Provider in providing Services under this TSA (collectively, the “Sales and Service Taxes”). Such Sales and Service Taxes will be payable by Service
Recipient to Service Provider in accordance with Section 4.3 or as otherwise mutually agreed in writing by the Parties and under the terms of the applicable law that govern the relevant Sales and Service Taxes. 

4.2.2 Each of Service Provider and Service Recipient shall pay and be responsible for all other taxes applicable to each of them, including
taxes based on their own respective income or profits or assets. 
 4.2.3 Payments for Services or other amounts under this TSA shall be
made net of any required withholding taxes. Notwithstanding the foregoing, if Service Provider reasonably believes that a reduced rate of withholding applies or Service Provider is exempt from withholding, then Service Provider will notify Service
Recipient and Service Recipient will apply such reduced rate of withholding or no withholding at such time as Service Provider provides Service Recipient with evidence reasonably satisfactory to Service Recipient that a reduced rate of or no
withholding is required (and that all necessary administrative provisions or requirements have been completed), including rulings or certificates from, or other correspondence with taxing authorities and tax opinions rendered by qualified persons,
to the extent reasonably requested by Service Recipient. Service Recipient shall timely remit any 

  
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amounts withheld to the appropriate taxing authority and shall provide Service Provider with a receipt or other documentation evidencing such payment, including the amount paid and the applicable
taxing authority to which payment was made. Service Recipient shall not be required in any circumstances to pursue any refund of taxes withheld and paid over to a taxing authority; provided, however, that (a) Service Recipient
will, at Service Provider’s reasonable request and at Service Provider’s expense, assist Service Provider in Service Provider’s pursuit of such refund of taxes, and (b) in the event that Service Recipient receives a refund of any
amounts previously withheld from payments to Service Provider and remitted, Service Recipient shall promptly surrender such refund to Service Provider. 

4.2.4 Each of Service Provider and Service Recipient shall promptly notify the other of any deficiency claim or similar notice by a taxing
authority with respect to Sales and Service Taxes or withholding taxes payable under this TSA, and shall provide the other with such information as reasonably requested from time to time, and shall fully cooperate with the Service Provider or
Service Recipient, as applicable, in connection with: (a) the reporting of any Sales and Service Taxes or withholding taxes payable pursuant to this TSA; (b) any audit relating to Sales and Service Taxes or withholding taxes pursuant to
this TSA; and (c) any assessment, refund, claim or proceeding relating to such Sales and Service Taxes or withholding taxes. 

4.3 Terms of Payment. Service Provider will invoice Service Recipient for each Service at the prices and rates set forth
in the applicable Service Schedule (or with respect to Other Services, based on the applicable Cost) monthly in advance on or after the first day of each calendar month after Closing for the monthly fees due for such month or on such other invoicing
schedule as is set forth in a Service Schedule (or mutually agreed by the Parties in writing with respect to any Other Service). Service Provider shall also provide invoices to Service Recipient at the end of each calendar month after Closing in
arrears for amounts, such as Sales and Service Taxes and/or other costs and expenses accrued or incurred in such month, that are payable in addition to the prices for the Services. Payment in full shall be made by Service Recipient by wire transfer
in immediately available funds (or such other means as the Parties may mutually agree in writing) within thirty (30) days after receipt of an invoice submitted in good faith. Amounts not being paid on or before the date required to be paid
hereunder shall constitute a material breach of this TSA and shall accrue interest at an annual rate of one month LIBOR plus sixty basis points (or the maximum legal rate, whichever is lower), prorated for the actual number of days elapsed, accrued
from the date such payment was due hereunder until the date of the actual receipt of payment. In addition, Service Provider may suspend performance of the particular Service in the event that Service Recipient fails to timely pay all amounts in an
invoice submitted in good faith within twenty (20) days after notice of non-payment from Service Provider, such notice to be provided to Service Recipient senior management set forth in Section 3.2.2. All amounts due for Services rendered
pursuant to this TSA shall be billed and paid in United States dollars or the applicable currency for such Services set forth on the applicable Service Schedule hereto (or as mutually agreed by the Parties in writing with respect to any Other
Service). 

  
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 4.4 Audit. The Service Recipient shall have the right to audit Service
Provider’s accounting records relating to the Services rendered hereunder. The Service Provider shall retain such accounting records and make them available to the Service Recipient’s auditors to comply with applicable law for a period of
not less than seven (7) years from the close of each fiscal year of the Service Recipient during which Services were provided. 

SECTION 5. Term and Termination. 

5.1 Term for Services Provided. Unless a shorter period is otherwise set forth in a Service Schedule (or is mutually
agreed by the Parties in writing with respect to any Other Service), Service Provider (or its Affiliates) shall provide each of the Services for a period commencing immediately after the Effective Time on the Effective Date through June 30,
2016 (the “Transition Term”). For the avoidance of doubt, in no event will Service Provider or any of its Affiliates be required to provide a Service (a) beyond the shorter specified term for such Service if the applicable
Service Schedule provides for a term for such Service that is shorter than the Transition Term (or the shorter specified term for any Other Service if the Parties have mutually agreed in writing on a term for such Other Service that is shorter than
the Transition Term), or (b) if there is no such shorter term specified or agreed, as applicable, beyond the Transition Term. The Parties acknowledge and agree that it is their objective to have all Services and all related transition
activities completed as soon as possible, with the stated goal of accelerating transition activities, where practical.  

5.2 Term of TSA. Except as expressly provided otherwise in this Section 5 or elsewhere in this TSA or
Service Schedule, the term of this TSA (the “Term”) shall be for a period commencing at the Effective Time and ending at 11:59 p.m. Eastern Time on June 30, 2016 (the “Expiry Date”). Notwithstanding
anything to the contrary in this TSA, or the Service Schedules, in no event shall Service Provider have any obligation to provide any Services beyond June 30, 2016, provided however, Service Recipient may with thirty (30) days prior
written notice, request an extension of any Service Term. Any such request for extension of the Service Term will be considered in good faith without unreasonable delay, and shall be subject to mutual written agreement by the Parties. 

5.3 Termination of Individual Services by Service Recipient for Convenience. Service Recipient may, at any time after
the Effective Date, terminate any individual Service provided under this TSA on a Service-by-Service basis upon written notice to Service Provider identifying the particular Service (or location) to be terminated and the effective date of
termination, which date shall not be later than the end of the applicable Transition Term or earlier than thirty (30) days after Service Provider’s receipt of such notice of termination (or such shorter notice period as set forth in a
Service Schedule or mutually agreed by the Parties in writing with respect to any Other Service), unless Service Provider otherwise agrees in writing. Notwithstanding the foregoing, Service Recipient shall not be able to terminate any individual
Service if any non-terminated Services are reasonably dependent upon the provision of the Services that Service Recipient is seeking to terminate. Once Service Recipient has terminated any of the Services, Service Recipient shall not be permitted to
request such Services be resumed pursuant to this TSA. 

  
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 5.4 Termination of Agreement. This TSA shall terminate on the earliest to
occur of: (a) the Expiry Date; (b) the date on which the provision of all Services have been completed or terminated or been canceled pursuant to Section 5.3; and (c) the date on which this TSA is terminated pursuant to
Section 5.5. 
 5.5 Termination for Cause. If either Party materially breaches any of its obligations
under this TSA and such Party does not cure such breach within thirty (30) days after receiving written notice thereof from the non-breaching Party, the non-breaching Party may terminate this TSA, in whole or in part (with respect to the
Services to which the breach relates), immediately by providing written notice of termination to the Party in breach. Notwithstanding the foregoing, if Service Recipient fails to pay all amounts in an invoice submitted in good faith for Services
provided hereunder when due, and Service Recipient fails to cure its failure to pay such amounts within twenty (20) days of receipt of written notice to Service Recipient senior manager set forth in Section 3.2.2 thereof from Service
Provider, Service Provider may suspend performance in accordance with Section 4.3 or may terminate the particular Service provided that amounts disputed in good faith will be subject to the dispute resolution set out in Section 3.2 and any
payment of amounts so disputed will not prejudice the rights of the Service Recipient pursuant thereto. 
 5.6 Further, this
TSA may be terminated, effective immediately upon written notice, by Service Provider, on the one hand, or by Service Recipient, on the other hand, if the other Party files, or has filed against it, a petition for voluntary or involuntary bankruptcy
or pursuant to any other insolvency law or makes or seeks to make a general assignment for the benefit of its creditors or applies for or consents to the appointment of a trustee, receiver or custodian for it or a substantial part of its property.

 5.7 Effect of Termination; Survival. In the event of the expiration or any termination of this TSA, Service
Provider shall be entitled to all amounts due for the provision of Services rendered prior to the date of termination and such amounts will be determined in accordance with the prices set forth in the applicable Service Schedule(s) (or with respect
to Other Services, based on the applicable Cost) and will be paid by Service Recipient in accordance with the terms in this TSA. The following Sections shall survive the termination or expiration of this TSA: Section 1 and
Section 2 (in each case as necessary to interpret any surviving provision hereunder), Section 4 (solely with respect to amounts accrued prior to the termination or expiration of this TSA), this Section 5.7,
Section 6.8, Section 6.10, Section 6.13, Section 8.2, Section 9, Section 10, Section 11, and Section 12. 

SECTION 6. Certain Covenants. 

6.1 Standard of Care. Service Provider shall perform, or cause to be performed, the Services under this TSA in
compliance with all applicable laws, government rules or regulations or applicable permits or licenses and at substantially the same levels as those Services (or similar services) were provided by Service Provider or its Affiliates prior to the
Closing including, without limitation, with respect to quality and timeliness of such Services, but in no event earlier or better than Service Recipient requires. Unless otherwise specified in a Service Schedule or otherwise mutually agreed by the

  
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Parties in writing, Services will be performed during Service Provider’s or its Affiliates’ normal business hours in the time zone(s) where Services are to be performed (consistent with
past practices) which, for the avoidance of doubt, may include, on-call availability, 24x7 for information technology support, longer hours for month or quarter end financial matters and other similar practices, to the extent consistent with the
practices of Service Provider with respect to the Communications Business prior to the Expiry Date. Service Recipient acknowledges that Service Provider is not in the business of providing the Services (or services similar to the Services) and is
providing the Services to Service Recipient solely for the purpose of facilitating the transition of the operation of the Communications Business from Service Provider to Service Recipient. 

6.2 No Violation of Laws. Neither Service Provider nor its Affiliates (nor third party service providers) shall be
required to provide all or any part of any particular Service or Services to the extent (and only to the extent) that providing such Service or Services would require Service Provider or its Affiliates to violate any applicable laws, governmental
rules or regulations or any applicable permits or licenses. 
 6.3 Cooperation. It is understood that it will require
significant efforts of all Parties to implement this TSA and to ensure performance hereunder at the agreed upon level and on the agreed upon timeframe (subject to all the terms and conditions of this TSA). The Parties will cooperate (acting in good
faith) to effect a smooth and orderly transition of the performance of the Services provided hereunder from Service Provider and its Affiliates to Service Recipient and/or its Affiliates. Such cooperation shall include the provision of such
reasonable access to each Party to the other Party’s personnel and records as shall be reasonably necessary to facilitate the transition of the Services, including but not limited to reasonable administrative support and general assistance with
knowledge transfer from Service Provider and at the Service Recipient’s cost (or if such conduct or activity is included in a Service, then at the cost set forth therefor in the Service Schedule). In addition, Service Recipient and its
Affiliates shall not take any action (or fail to take any action) that would interfere with the ability of Service Provider or its Affiliates to provide the Services or that would materially increase the cost therefor (without an undertaking by the
Service Recipient to cover the cost of such increase plus the applicable markup). To the extent a failure of Service Recipient to act in accordance with this Section prevents or materially inhibits the provision of a Service hereunder, and not
resolved by the Parties’ respective points of contact pursuant to Section 3.2.1, Service Provider or its Affiliates shall be relieved of its obligation to provide such Service to the extent affected until the failure has ceased. 

6.4 Means of Providing Services. 

6.4.1 Subject to Section 6.1 and Section 6.5 and its obligation to perform the Services in accordance with the terms
of this TSA and the Service Schedule, Service Provider shall determine the means and resources used to provide the Services. Without limiting the foregoing, Service Provider or its Affiliates may elect to modify or replace at any time (a) its
policies and procedures, (b) any Affiliates and/or third parties that provide any Services, (c) the location from which any Service is provided, or (d) the intellectual property rights, information technology, products and services
used to provide the Services; provided that, in each case, any such modification or replacement shall not adversely affect the Services, or the quality thereof, in any material respect. 

  
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 6.4.2 Service Recipient acknowledges that Service Provider may be providing similar services,
and/or services that involve the same resources as those used to provide the Services, to its internal organizations, Affiliates and to third parties, and the provision of such similar services, in and of itself, shall in no way be deemed to be a
breach of Service Provider’s obligations hereunder. 
 6.4.3 Subject to Section 6.1 and any limitations with respect to
outages specified in any Service Schedule (or mutually agreed by the Parties in writing with respect to any Other Service), Service Provider or its Affiliates may suspend the provision of the Services (or any part thereof), from time to time, to
enable the performance of routine or emergency maintenance to the assets used in connection with the provision of the Services that are required to provide the Services; provided that (a) Service Provider shall use commercially
reasonable efforts to perform any such routine maintenance outside of the normal business hours of Service Recipient and in accordance with the terms of the applicable Service Schedule (or mutually agreed by the Parties in writing with respect to
any Other Service), (b) Service Provider shall provide Service Recipient with reasonable prior notice of such suspension and the anticipated duration of the suspension, in each case to the extent practicable, and (c) Service Provider shall
use commercially reasonable efforts to carry out the applicable maintenance and resume the provision of the applicable Services as soon as reasonably practicable. 

6.5 Authorized Service Providers. Except as otherwise specified in a Service Schedule with respect to the Services under
such Service Schedule (or mutually agreed by the Parties in writing with respect to any Other Service), Service Provider or any of its Affiliates may, as it deems necessary or appropriate in providing the Services, (a) use the personnel of
Service Provider or its Affiliates (it being understood that such personnel can perform the Services on behalf of Service Provider or its Affiliates on a full-time or part-time basis, as reasonably determined by Service Provider or its Affiliates in
accordance with the obligations under this TSA relating to the provision of the Services), (b) employ the services of third parties who are in the business of providing such Services, provided that Service Provider’s use of a third party
to perform the Services does not relieve Service Provider of its obligations pursuant to this TSA including, without limitation, with respect to (i) standard of care and (ii) maintenance of uninterrupted provision of Services as provided
for hereunder, even during any transition of Services from Service Provider to such third party or (c) require the assignee or transferee of Service Provider or its Affiliates of the relevant personnel or assets pursuant to
Section 12.8 to provide the applicable Services; provided, that Service Provider’s use of a third party to perform the Services does not relieve Service Provider of its obligations pursuant to this TSA. In performing the
Services, employees and representatives of Service Provider and its Affiliates shall, as between the Parties, be under the direction, control and supervision of Service Provider or its Affiliates (and not Service Recipient) and, as between the
Parties, Service Provider or its Affiliates shall have the sole right and obligation to exercise all authority and control with respect to the employment (including termination of employment), assignment and compensation of such employees and
representatives. Service Recipient acknowledges and agrees that, except as set forth on the Service 

  
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Schedules, it has no right hereunder to require that Service Provider or its Affiliates perform the Services hereunder with specifically identified employees or third parties and that the
assignment of employees or third parties to perform such Services shall be determined in the sole discretion of Service Provider; provided, that if Service Provider intends to transition performance of a Service to a third party that is being
performed by its or its Subsidiaries’ employees, Service Provider shall provide Service Recipient ten (10) Business Days’ prior written notice of such transition. 

6.6 Relationship of the Parties. Nothing contained in this TSA shall be construed as creating a partnership, joint
venture, agency, trust or other association of any kind among or between the Parties, each Party being individually responsible only for its obligations as set forth in this TSA. Service Provider and its Affiliates shall provide the Services
hereunder in the capacity of an independent contractor and not as an employee, agent or joint venture counterparty of Service Recipient. Without limiting the foregoing, (a) Service Recipient shall not have any power or authority to bind Service
Provider to any contract, undertaking or other engagement with any third party and (b) Service Provider shall not have any power or authority to bind Service Recipient to any contract, undertaking or other engagement with any third party. 

6.7 Treatment of Employees. 

6.7.1 Except as set forth in any Service Schedule, the Employee Matters Agreement or any other Transaction Document, employees of Service
Recipient involved in the receipt of the Services shall remain as the employees of Service Recipient, and Service Recipient shall be solely responsible for the payment and provision of all wages, bonuses, severance, workers’ compensation
insurance, unemployment insurance, employment taxes, commissions and employee benefit plans, programs or arrangements relating to such employees. 

6.7.2 Except as set forth in the Employee Matters Agreement or any other Transaction Document, employees of Service Provider and its
Affiliates involved in the provision and administration of the Services shall remain as the employees of Service Provider and its Affiliates, and Service Provider and its Affiliates shall be solely responsible for the payment and provision of all
wages, bonuses, severance, workers’ compensation insurance, unemployment insurance, employment taxes, commissions and employee benefit plans, programs or arrangements relating to such employees. 

6.8 No Violation of Third Party Agreements. If Service Provider reasonably believes that the provision of any Services
will result in a violation of any third party agreement or that a third party’s consent, authorization or approval is necessary to provide the Services, then Service Provider will notify Service Recipient and the Parties shall cooperate in good
faith to procure for Service Recipient, at Service Recipient’s cost and expense, any applicable licenses, enter into any appropriate agreement or obtain the necessary consent, authorization or approval in order to allow the Services to be
provided in accordance with the terms set forth herein. All costs incurred as a result of the cooperation of the Parties pursuant to the immediately preceding sentence shall be borne by Service Recipient. 

  
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 6.9 Information Provided by Service Recipient. Service Recipient will
provide (or will cause to be provided) to Service Provider complete and accurate data and information to the extent available to the Service Recipient and to the extent necessary for Service Provider or its Affiliates to provide the Services.
Service Provider and its Affiliates may rely on the completeness and accuracy of such data and information in connection with the provision of the Services to Service Recipient. Neither Service Provider nor its Affiliates will be liable or
responsible for any failure to provide a Service in compliance with this TSA as a result of such data or information provided by Service Recipient being incomplete or inaccurate and Service Recipient will be responsible and liable therefor. 

6.10 No License. Without limiting any rights granted under the Distribution Agreement (or any ancillary agreement
thereunder including, without limitation, the IP License Agreement), Service Provider and its Affiliates are not granting, and nothing hereunder shall be deemed to grant, any license under any intellectual property or proprietary rights of Service
Provider and its Affiliates, and Service Provider and its Affiliates shall retain all right, title and interest in and to all such intellectual property and proprietary rights. 

6.11 Import/Export. 

6.11.1 For the purposes of this Section 6.11 (i) the Tektronix Texas LLC, VSS Monitoring, Inc., and Newfield Wireless, Inc., Inbet
Technologies, International, Inc., and NSRS Comms Ireland Limited portions of the Business shall be referred to as the “TekComms Business”, (ii) Arbor Networks, Inc. portions of the Business shall be referred to as the “Arbor
Business”, and (iii) the Air Magnet, Inc., and Clearsight Networks, Inc. portions of the Business shall be referred to as the “FNET Business.” 

6.11.2 With respect to all transactions of the Arbor Business and TekComms Business for which Service Provider will provide Services pursuant
to this TSA, Service Recipient shall be solely responsible for compliance with all applicable U.S. and non-U.S. laws and regulations relating to export controls, sanctions, and imports, including without limitation those regulations maintained by
the U.S. Department of the Treasury’s Office of Foreign Assets Control, the Export Administration Regulations (“EAR”) maintained by the U.S. Department of Commerce, Bureau of Industry and Security, and the International Traffic
in Arms Regulations (“ITAR”) maintained by the U.S. Department of State, Directorate of Defense Trade Controls. For all such transactions resulting in the export of goods, technology, or software from the United States, Service
Recipient shall act as United States Principal Party in Interest under the EAR (15 C.F.R. Part 758) and the Foreign Trade Regulations (15 C.F.R Section 30.3). Service Recipient and Service Provider shall use commercially reasonable means to
supply each other on a timely basis with documentation required to complete the export and/or importation process. Any performance obligation arising under this TSA is contingent upon the prior receipt by Service Recipient and/or its Affiliates of
all necessary government authorizations, and Service Provider shall not be liable for any breach, non-performance, or delay in performance resulting from the failure by Service Recipient or its Affiliates to obtain any such authorization.
Notwithstanding the terms of Section 10 of this TSA, Service Recipient agrees to reimburse Service Provider for reasonable out-of-pocket expenses actually incurred by Service 

  
 12 

 
Provider for responding to any government-initiated audit related to export and/or import transactions of the Arbor Business and TekComms Business for which Service Provider provides Services
under this TSA. Also notwithstanding the terms of Section 10 of this TSA, Service Recipient shall be liable for any surcharges, penalties or damages assessed or incurred for violations of export and/or import-related laws and regulations
applicable to transactions of the Arbor Business and TekComms Business for which Service Provider will provide Services under this TSA, except for violations caused by any deliberate and willful acts or omissions of Service Provider.  

6.11.3 With respect to all transactions of the FNET Business for which Service Provider will provide Services pursuant to this TSA resulting
in the export of goods, technology, or software from the United States, Service Provider’s appropriate subsidiary shall act as United States Principal Party in Interest under part 758 of the EAR (15 C.F.R. Part 758) and the Foreign Trade
Regulations (15 C.F.R Section 30.3) and shall obtain all necessary government authorization and licenses for such export. Service Recipient and Service Provider shall use commercially reasonable means to supply each other on a timely basis
with documentation required to complete the export and/or importation process, including without limitation any information needed to obtain necessary export licenses and to submit commodity jurisdiction determination and commodity classification
requests. Any performance obligation arising under this TSA is contingent upon the prior receipt by Service Provider and/or its Affiliates of all necessary government authorizations required for performance contemplated hereunder, and Service
Provider shall not be liable for any breach, non-performance, or delay in performance resulting from the failure by Service Provider or its Affiliates to obtain any such authorization. Notwithstanding the terms of Section 10 of this TSA,
Service Recipient agrees to reimburse Service Provider for reasonable out-of-pocket expenses actually incurred by Service Provider for responding to any government-initiated audit related to export and/or import transactions of the FNET Business for
which Service Provider provides Services under this TSA. Also, notwithstanding the terms of Section 10 of this TSA, Service Recipient shall be liable for any surcharges, penalties or damages assessed or incurred for violations of
export and/or import-related laws and regulations applicable to transactions of the FNET Business for which Service Provider will provide Services under this TSA, except for violations caused by any deliberate and willful acts or omissions of
Service Provider. 
 6.11.4 Notwithstanding the foregoing, Service Provider shall not be required to undertake or perform any obligation
set forth in Section 6.11.2 and Section 6.11.3 if Service Provider (or one of its Affiliates) did not undertake or perform the applicable activity prior to Closing and Service Provider shall not be responsible for undertaking
or performing any such obligation to a greater degree and extent than, or for incurring any expenses in connection therewith greater than, that undertaken, performed or incurred prior to Closing. 

6.12 Transition Planning. Service Recipient shall, as soon as reasonably practicable following the Effective Date, and
no later than September 30, 2015, provide in writing to Service Provider a draft transition plan with respect to transfer or termination of the Services (the “Cutover Plan”), which Cutover Plan shall describe Service
Recipient’s proposed transition activities and any transition assistance Service Recipient requests from Service Provider in connection with such transfer or termination. Service Provider will review and comment on the Cutover Plan and the
Parties shall reasonably cooperate with 

  
 13 

 
each other to create a final Cutover Plan. The Cutover Plan shall provide for a completion date that is no later than the Expiry Date. Without limiting the obligations of the Service Provider
under an applicable Service Schedule, during the applicable Transition Term, the Service Provider shall reasonably cooperate with and offer such commercially reasonable assistance to the Service Recipient at Service Recipient’s Cost as set
forth therefor in the Service Schedule (or if not set forth in the Service Schedule, then at Service Recipient’s cost), as is necessary to implement the Service Recipient’s final Cutover Plan and the transfer of responsibility for the
provision of the Services to Service Recipient or a new provider. 
 6.13 Ownership of Business Data. For the purposes
of this TSA, the term “Business Data” shall mean any and all business, accounting, personnel and customer-related data or other similar records, data and information, in each case, to the extent exclusively related to the business of
Service Recipient that is generated, collected or serviced in connection with the Services (including without limitation, data that is associated with the services set forth on a Service Schedule). The Parties hereby agree that any and all
such Business Data shall be owned exclusively by the Service Recipient and Service Provider (on its own behalf and on behalf of each of its Affiliates who may provide Services hereunder) hereby assigns and agrees to assign (and shall cause each
Affiliate who provides Services hereunder) to Service Recipient all Intellectual Property Rights in such Business Data. Service Provider and its Affiliates shall not make any use of Business Data for any reason other than to provide Services
hereunder or as required by law. 
 SECTION 7. Force Majeure. 

Except for the obligation to pay for Services already provided, neither Party nor any of their respective Affiliates (nor any Person acting on
its or their behalf) shall bear any responsibility or liability for any Losses arising out of any delay, inability to perform or interruption of its performance of obligations under this TSA due to any acts or omissions of such Party or its
Affiliates (or any Person acting on its or their behalf) or for events beyond the reasonable control of such Party (hereinafter referred to as a “Force Majeure Event”), including acts of God, acts of governmental authority, acts of
the public enemy or due to terrorism, war, riot, flood, civil commotion, insurrection, strike or labor difficulty, severe or adverse weather conditions, lack of or shortage of electrical power, systemic malfunctions of equipment or software programs
or any other cause beyond the reasonable control of Service Provider or its Affiliates or its or their third party service providers whose performance is affected by the Force Majeure Event. In such event, the obligations hereunder of such Party in
providing the impacted Service or performing its obligations under this TSA shall be suspended for such time as its performance is suspended or delayed on account thereof but only to the extent that the Force Majeure Event prevents such Party or its
Affiliates from performing its duties and obligations hereunder. During the duration of the Force Majeure Event, such Party shall use all commercially reasonable efforts to avoid or remove such Force Majeure Event and shall use all commercially
reasonable efforts to resume its performance under this TSA with the least practicable delay. A Force Majeure Event shall not toll or otherwise extend the Transition Term. Service Recipient shall not be obligated to pay Service Provider for Services
with respect to the period when Service Provider is not providing such Services due to a Force Majeure Event and Service Recipient waives all claims for damages related thereto. 

  
 14 

 SECTION 8. Representations and Warranties. 

8.1 Authorization. Each Party represents and warrants that (a) it has the requisite power and authority to execute
and deliver this TSA and to perform the transactions contemplated hereby, (b) all corporate or limited liability company, as the case may be, action on the part of such Party necessary to approve or to authorize the execution and delivery of
this TSA and the performance of the transactions contemplated hereby to be performed by it has been duly taken, and (c) this TSA is a valid and binding obligation of such Party, enforceable in accordance with its terms, subject to the effect of
principles of equity and the applicable bankruptcy, insolvency or other similar laws, now or hereafter in effect, affecting creditors’ rights generally and other customary qualifications. 

8.2 DISCLAIMER. EXCEPT AS EXPRESSLY SET FORTH HEREIN, EACH PARTY (ON BEHALF OF ITSELF AND ITS AFFILIATES)
(A) ACKNOWLEDGES AND AGREES THAT THE SERVICES ARE PROVIDED “AS IS,” (B) ASSUMES ALL RISKS AND LIABILITIES ARISING FROM OR RELATING TO ITS USE OF, AND RELIANCE UPON, THE SERVICES, AND (C) ACKNOWLEDGES AND AGREES THAT EXCEPT
AS EXPRESSLY SET FORTH HEREIN OR IN ANY OTHER TRANSACTION DOCUMENT, SERVICE PROVIDER MAKES NO REPRESENTATIONS OR WARRANTIES IN RESPECT OF THE SERVICES OR ANY FACILITIES, RESOURCES, OR ITEMS TO BE DELIVERED OR PROVIDED TO SERVICE RECIPIENT OF ANY
KIND, NATURE OR DESCRIPTION, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, AND SERVICE PROVIDER HEREBY EXPRESSLY DISCLAIMS THE SAME. 

SECTION 9. Indemnification. 

9.1 Service Recipient Indemnification Obligation. Service Recipient shall defend, indemnify and hold harmless Service
Provider and its Affiliates, and its and their respective shareholders, directors, partners, officers, employees and agents, against any and all Losses suffered, sustained, incurred or paid arising from or relating to breach by Service Recipient of
its obligations under this TSA. If Service Recipient receives notice or knowledge of a claim as described in this Section 9, it shall promptly notify Service Provider in writing and give Service Provider all necessary information and
assistance, and the exclusive authority to evaluate and settle such claim. 
 9.2 Service Provider Indemnification
Obligation. Service Provider shall defend, indemnify and hold harmless Service Recipient and its shareholders, directors, partners, officers, employees and agents, against any and all Losses suffered, sustained, incurred or paid (including from
any third-party claims) to the extent arising from breach by Service Provider of its obligations under this TSA. 
 SECTION 10.
Limitations on Liability. 
 10.1 EXCLUSION OF CERTAIN DAMAGES. NOTWITHSTANDING ANYTHING TO THE CONTRARY IN
THIS TSA, EXCEPT IN THE CASE OF GROSS 

  
 15 

 
NEGLIGENCE OR WILLFUL MISCONDUCT, NO PARTY SHALL BE LIABLE TO OR OTHERWISE RESPONSIBLE TO ANY OTHER PARTY HERETO OR ANY AFFILIATE OF ANY OTHER PARTY HERETO FOR ANY INCIDENTAL, SPECIAL,
CONSEQUENTIAL, INDIRECT, EXEMPLARY OR PUNITIVE DAMAGES THAT ARISE OUT OF OR RELATE TO THIS TSA OR THE PERFORMANCE OR BREACH HEREOF, WHETHER SUCH DAMAGES OR OTHER RELIEF ARE SOUGHT BASED ON BREACH OF CONTRACT, NEGLIGENCE, STRICT LIABILITY OR ANY
OTHER LEGAL OR EQUITABLE THEORY AND WHETHER OR NOT THE PARTY WAS AWARE OR ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 
 10.2
SERVICE PROVIDER LIMITATION OF LIABILITY. NOTWITHSTANDING ANYTHING TO THE CONTRARY IN THIS AGREEMENT, SERVICE PROVIDER SHALL NOT HAVE ANY LIABILITY TO SERVICE RECIPIENT OR ANY AFFILIATE OF SERVICE RECIPIENT IN CONNECTION WITH, OR AS A RESULT
OF, ANY ACTIONS, OMISSIONS, OR BREACHES OF SUCH SERVICE PROVIDER OR ITS AFFILIATES (OR THIRD PARTY SERVICE PROVIDERS) WITH RESPECT TO THIS TSA, INCLUDING THE PROVISION OF THE SERVICES, WHETHER ARISING IN CONTRACT, TORT, OR OTHERWISE, EXCEPT TO THE
EXTENT SERVICE RECIPIENT INCURS ANY LOSSES RESULTING FROM THE GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF SERVICE PROVIDER, AND SERVICE RECIPIENT ACKNOWLEDGES AND AGREES THAT IN SUCH CASE THE INDEMNIFICATION OBLIGATION SET FORTH IN SECTION 9.2
SHALL BE SERVICE RECIPIENT’S SOLE AND EXCLUSIVE REMEDY. SUBJECT TO APPLICABLE LAW AND WITHOUT LIMITING THE FOREGOING, SERVICE PROVIDER’S SOLE LIABILITY, AND SERVICE RECIPIENT’S SOLE AND EXCLUSIVE REMEDY, IN CONNECTION WITH ANY CLAIM
UNDER THIS AGREEMENT SHALL BE RECOVERY OF ANY FEES PAID BY SERVICE RECIPIENT FOR THE SERVICES PROVIDED HEREUNDER. WITHOUT LIMITING THE FOREGOING, IN NO EVENT WILL THE TOTAL, CUMULATIVE, AGGREGATE LIABILITY OF SERVICE PROVIDER, WHETHER BASED UPON AN
ACTION OR CLAIM IN CONTRACT, TORT (INCLUDING NEGLIGENCE), WARRANTY, MISREPRESENTATION, EQUITY OR OTHERWISE, EXCEED THE AMOUNTS PAID BY SERVICE RECIPIENT TO SERVICE PROVIDER FOR THE SERVICES PROVIDED DURING THE TERM OF THIS TSA. 

SECTION 11. Confidentiality. 

11.1 Duty of Confidentiality. With respect to any non-public information disclosed by a Party (or its Affiliates or
representatives) (the “Disclosing Party”) to the other Party (or its Affiliates or representatives) (the “Receiving Party”) for the purpose of this TSA or otherwise accessible to such Receiving Party during the
performance hereunder which non-public information is either marked or otherwise identified as confidential or proprietary or would reasonably be considered confidential or proprietary in light of the nature of the information (collectively, the
“Confidential Information”), the Receiving Party agrees that (i) it will keep such Confidential Information confidential, using at least the same degree of care used to protect its own confidential or proprietary

  
 16 

 
information, but not less than reasonable care, to prevent the disclosure or accessibility to others of the Disclosing Party’s Confidential Information and (ii) it will use the
Disclosing Party’s Confidential Information only for the purpose of performing its obligations under this TSA. The Receiving Party shall limit dissemination of and access to the Disclosing Party’s Confidential Information to only such of
its Affiliates, advisers, employees, agents or contactors (including, in the case of Service Provider, any third party engaged to provide the Services hereunder) or consultants who have a need to know for the purpose of this TSA, provided
that any third party to which Confidential Information is provided by a Receiving Party is subject to confidentiality obligations with respect to such Confidential Information at least as protective as the obligations set forth herein. 

11.2 Exclusions. Specifically excluded from the foregoing obligations is any and all information that the Receiving
Party can show: (a) is already known to the Receiving Party at the time of disclosure and is not subject to a confidentiality obligation (other than any information that is transferred to Service Recipient as an asset under the Distribution
Agreement) or thereafter is independently developed by the Receiving Party without breach of this TSA; (b) is already in the public domain at the time of disclosure, or thereafter becomes publicly known other than as the result of a breach by
the Receiving Party of its obligations under this TSA; or (c) is received from a third party without breach of this TSA or a confidentiality obligation to the Disclosing Party known to the Receiving Party. 

11.3 Required Disclosures. If, upon advice of counsel, any Disclosing Party’s Confidential Information is required
to be disclosed by law, regulation and/or legal process by the Receiving Party, then the Receiving Party shall promptly notify the Disclosing Party and, insofar as is permissible and reasonably practicable, give the Disclosing Party an opportunity
to appear and to object to such production before producing the requested information. Any such production shall be limited to that portion of the Confidential Information required to be disclosed. 

11.4 Destruction of Confidential Information. Upon the termination or expiration of this TSA, other than as required by
applicable law, each Party, as a Receiving Party, shall destroy the Confidential Information of the Disclosing Party in such Receiving Party’s possession and provide a written certification of destruction with respect thereto to such Disclosing
Party. 
 SECTION 12. Miscellaneous. 

12.1 Notices. Any notice provided or permitted to be given to a Party under this TSA must be in writing, and may be
served by depositing same in the U.S. mail, addressed to the Person to be notified, postage prepaid, and registered or certified, with a return receipt requested, reputable courier with tracking capabilities, facsimile, or electronic mail. Notice
given by U.S. mail or courier shall be deemed given and effective on the date of delivery as shown on the return receipt. Notice given by facsimile or electronic mail shall be deemed given and effective as of the time of actual delivery thereof

  
 17 

 
to the addressees. For purposes of the giving of notice, Service Provider and Service Recipient shall be notified at the addresses listed below unless otherwise set forth herein: 

 

					
	 If to Service Recipient:

		
			Potomac Holding LLC
			c/o NetScout Systems, Inc.
			310 Littleton Road
			Westford, Massachusetts 01886
			Attn:    Anil K. Singhal, CEO
			Email   Anil.Singhal@netscout.com
			Facsimile		(978) 614-4004
	
	 with a copy (which shall not constitute notice) to:

		
			Cooley LLP
			500 Boylston Street, 14th Floor
			Boston, MA 02116
			Facsimile:		(617) 937-2400
			Attention:		Miguel J. Vega
			E-mail:		mvega@cooley.com
	
	 If to Service Provider:

		
			Danaher Corporation
			Attn:		Attila Bodi and Paul Hodgdon
			Email:		attila.bodi@danaher.com
					paul.hodgdon@danaher.com
			Facsimile:		(202) 419-7676
			Attn:		Jonathan Schwarz and Jay Mackerer
			Email:		jonathan.schwarz@danaher.com
					james.mackerer@danaher.com
			Facsimile:		(202) 419-7668
	
	 with a copy (which shall not constitute notice) to:

		
			Skadden, Arps, Slate, Meagher & Flom LLP
			Four Times Square
			New York, NY 10036
			Facsimile:		(212) 735-2000
			Attention:		Joseph A. Coco
					Thomas W. Greenberg
			E-mail:		joseph.coco@skadden.com
					thomas.greenberg@skadden.com

 Any Party may change its respective address for notice by the giving of notice of such change in the manner
provided above. 

  
 18 

 12.2 Entire Agreement. Except for those matters provided for in the
Distribution Agreement or the other agreements contemplated therein, this TSA sets forth the entire agreement of the Parties with respect to its subject matter. This TSA shall not be modified or amended except by written instrument executed by each
Party. The Service Schedules to this TSA shall be deemed incorporated in this TSA and shall form a part of it. 
 12.3
Waiver. The failure of a Party to insist upon strict performance of any provision of this TSA shall not constitute a waiver of, or estoppel against, asserting the right to require such performance in the future, nor shall a waiver or estoppel
in any one instance constitute a waiver or estoppel with respect to a later breach of a similar nature or otherwise. 
 12.4
Severability. If any of the terms and conditions of this TSA are held by any court of competent jurisdiction to contravene, or to be invalid under, the laws of any political body having jurisdiction over the subject matter of this TSA, such
contravention or invalidity shall not invalidate the entire TSA. Instead, this TSA shall be construed as if it did not contain the particular provision or provisions held to be invalid, and equitable adjustment shall be made and necessary provisions
added so as to give effect to the intention of the Parties as expressed in this TSA at the time of the execution of this TSA and of any amendments to this TSA. 

12.5 Governing Law; Forum. 

12.5.1 This TSA shall be construed and enforced in accordance with and governed by the laws of the State of Delaware, without giving effect to
any choice or conflict of law provision or rule (whether of the State of Delaware or any other jurisdiction) that would cause the application of the laws of any jurisdiction other than the State of Delaware. 

12.5.2 Any Dispute relating to this TSA or the breach, termination, enforcement, interpretation or validity thereof, including the
determination of the scope or applicability of this Section 12.5.2, shall on the demand of any Party be finally and exclusively resolved by arbitration in accordance with the then-prevailing JAMS Streamlined Arbitration Rules and
Procedures. The Parties shall have ten (10) days from commencement of the arbitration in accordance with the Rules to agree on a single arbitrator. Failing timely agreement, the arbitrator shall be selected by JAMS. The place of arbitration
shall be New York, New York. There shall be no discovery in the arbitration and the Parties shall only be required to produce in advance of the hearing on the merits any documents which they plan to introduce in evidence at the hearing. Except as
otherwise expressly provided in this TSA, the arbitral tribunal is not empowered to award damages in excess of compensatory damages, and each Party hereby irrevocably waives any right to recover punitive, exemplary or similar damages with respect to
any Dispute. Any arbitration proceedings, decision or award rendered hereunder and the validity, effect and interpretation of this arbitration agreement shall be governed by Federal Arbitration Act, 9 U.S.C. Sec. 1 et seq. The award shall be final
and binding upon the Parties and shall be the sole and exclusive remedy between the Parties regarding any claims, counterclaims, issues or accounting presented to the arbitral tribunal. Judgment upon any award may be entered in any court having
jurisdiction. Notwithstanding the foregoing, either party may seek relief in the form of specific performance to enforce performance due hereunder of the Parties from and after the date hereof in connection with any non-performance, of any term,
provision, covenant, or agreement contained herein and, along with the right to seek injunctive relief. 

  
 19 

 12.6 Construction. Unless otherwise indicated to the contrary in this TSA
by the context or use thereof: (a) the words, “herein,” “hereto,” “hereof” and words of similar import refer to this TSA as a whole and not to any particular Section or paragraph hereof; (b) words importing
the masculine gender shall also include the feminine and neutral genders, and vice versa; (c) the word “including” (and its correlatives) means “including without limitation”; and (d) all statements of or references to
dollar amounts in this TSA are to the lawful currency of the United States of America. The Parties have participated jointly in the negotiation and drafting of this TSA. In the event an ambiguity or question of intent arises, this TSA shall be
construed as if drafted jointly by the parties, and no presumption or burden of proof shall arise favoring or disfavoring any party by virtue of the authorship of any of the provisions of this TSA. The Parties agree that any language from prior
drafts of this TSA, to the extent not included in the definitive version of this TSA executed by the Parties hereto, shall not be deemed to reflect the intention of any Party hereto with respect to the transactions contemplated hereby. 

12.7 Counterpart Execution. This TSA may be executed in counterparts with the same effect as if the Parties had signed
the same document. Such counterparts shall be construed together and shall constitute one and the same instrument, notwithstanding that the Parties are not signatories to the original or the same instrument, or that signature pages from different
counterparts are combined. The signature of any Party to one counterpart shall be deemed to be a signature to and may be appended to any other counterpart. 

12.8 Successors and Assigns. This TSA shall inure to the benefit of and shall be binding upon the Parties, their
respective legal representatives, successors, and permitted assignees, and all Persons claiming by, through, or under right of any of the aforesaid Persons. No Party to this TSA may assign any of its rights and obligations under this TSA without the
prior written consent of the other Party hereto; provided, however, that (a) Service Provider may freely assign this TSA, in whole or in part, and its rights and obligations hereunder (x) to an Affiliate of Service Provider
or (y) in connection with a sale or restructuring of any of its businesses or assets and (b) a Party may assign this TSA in whole in connection with a merger transaction in which such Party is not the surviving entity including, without
limitation, in Merger Two. 
 12.9 No Third Party Rights. The provisions of this TSA are intended to bind the Parties
to each other and are not intended and do not create rights or obligations in any other Person, including any employee of the Communications Business, the Service Recipient or Service Provider, and no Person is intended to be or is a third party
beneficiary of any of the provisions of this TSA. Notwithstanding the foregoing, the Persons that are indemnified pursuant to Section 9 shall be third party beneficiaries for purposes of Section 9. 

12.10 Ancillary Agreement. The Parties hereby acknowledge and agree that nothing in this TSA (including any breach
hereof) shall affect any obligation of any Party under the Merger Agreement, the Distribution Agreement or the other Ancillary Agreements. 

  
 20 

 12.11 Guarantee by NetScout. NetScout unconditionally guarantees to
Service Provider the due and punctual performance of the obligations of the Service Recipient under this TSA. This guaranty is an irrevocable guaranty of payment and performance (and not just of collection) and shall continue in effect
notwithstanding any extension or modification of the terms of this Agreement or any other act or event which might otherwise operate as a legal or equitable discharge of NetScout. NetScout waives all special suretyship defenses and notice
requirements. 
 [SIGNATURE PAGES FOLLOW] 

  
 21 

 WITNESS WHEREOF, the duly authorized officers or representatives of the Parties hereto have duly
executed this TSA as of the date first written above. 
  

			
	DANAHER CORPORATION
		
	By:		 /s/ Daniel L. Comas

	Name:		Executive VP & CFO
	Title:		
	
	POTOMAC HOLDING LLC
		
	By:		 /s/ Daniel L. Comas

	Name:		Daniel L. Comas
	Title:		CFO & Chief Accounting Officer
	
	NETSCOUT SYSTEMS, INC.
		
	By:		 /s/ Anil K. Singhal

	Name:		Anil K. Singhal
	Title:		Chief Executive OfficerEX-10.3

 Exhibit 10.3 

EMPLOYEE MATTERS AGREEMENT 

by and among 
 DANAHER
CORPORATION, 
 POTOMAC HOLDING LLC 

and 
 NETSCOUT SYSTEMS,
INC. 
 dated as of 

July 14, 2015 

 TABLE OF CONTENTS 

 

							
	 	 	 	  	Page	 
	 ARTICLE I
	 	 DEFINITIONS AND INTERPRETATION
	  	 	2	  
			
	 Section 1.1
	 	 Definitions
	  	 	2	  
			
	 Section 1.2
	 	 References; Interpretation
	  	 	10	  
			
	 Section 1.3
	 	 Relation to Other Documents
	  	 	10	  
			
	 ARTICLE II
	 	 GENERAL PRINCIPLES
	  	 	11	  
			
	 Section 2.1
	 	 Assumption and Retention of Liabilities; Related Assets
	  	 	11	  
			
	 Section 2.2
	 	 Treatment of Compensation and Benefit Arrangements
	  	 	12	  
			
	 Section 2.3
	 	 Establishment of Newco Benefit Arrangements and Participation in Danaher Benefit Arrangements
	  	 	13	  
			
	 Section 2.4
	 	 Service Recognition
	  	 	13	  
			
	 Section 2.5
	 	 Collective Bargaining Agreements
	  	 	14	  
			
	 Section 2.6
	 	 No Acceleration of Benefits
	  	 	14	  
			
	 Section 2.7
	 	 Amendment Authority
	  	 	14	  
			
	 Section 2.8
	 	 No Commitment to Employment or Benefits
	  	 	14	  
			
	 Section 2.9
	 	 Certain Employment Transfers
	  	 	15	  
			
	 Section 2.10
	 	 Identification of Newco Employees and Independent Contractors
	  	 	16	  
			
	 Section 2.11
	 	 Information and Consultation
	  	 	17	  
			
	 Section 2.12
	 	 Certain Requirements
	  	 	17	  
			
	 Section 2.13
	 	 Sharing of Information
	  	 	17	  
			
	 ARTICLE III
	 	 DEFINED BENEFIT PLANS
	  	 	17	  
			
	 Section 3.1
	 	 U.S. Retirement Plan Participation
	  	 	17	  
			
	 Section 3.2
	 	 Non-U.S. Retirement Plan Participation
	  	 	18	  
			
	 ARTICLE IV
	 	 DEFINED CONTRIBUTION PLANS
	  	 	19	  
			
	 Section 4.1
	 	 U.S. Savings Plan Participation
	  	 	19	  
			
	 Section 4.2
	 	 Non-U.S. Savings Plan Participation
	  	 	20	  
			
	 ARTICLE V
	 	 HEALTH AND WELFARE PLANS
	  	 	21	  
			
	 Section 5.1
	 	 Health and Welfare Plan Participation
	  	 	21	  
			
	 Section 5.2
	 	 Certain Liabilities
	  	 	21	  
			
	 Section 5.3
	 	 Time-Off Benefits
	  	 	21	  
			
	 ARTICLE VI
	 	 EXECUTIVE BENEFIT PLANS
	  	 	22	  
			
	 Section 6.1
	 	 Non-Qualified Deferred Compensation Plans
	  	 	22	  

  
 -i- 

 TABLE OF CONTENTS 

(continued) 
  

							
	 	 	 	  	Page	 
	 ARTICLE VII
	 	 TREATMENT OF DANAHER EQUITY AWARDS
	  	 	22	  
			
	 Section 7.1
	 	 Retained Danaher Equity Awards
	  	 	22	  
			
	 Section 7.2
	 	 Cancelled Danaher Equity Awards
	  	 	23	  
			
	 Section 7.3
	 	 NetScout Retention Awards
	  	 	23	  
			
	 Section 7.4
	 	 Necessary Actions
	  	 	24	  
			
	 Section 7.5
	 	 Adjustments
	  	 	24	  
			
	 Section 7.6
	 	 SEC Registration
	  	 	24	  
			
	 Section 7.7
	 	 Compliance
	  	 	24	  
			
	 ARTICLE VIII
	 	 ADDITIONAL COMPENSATION MATTERS
	  	 	25	  
			
	 Section 8.1
	 	 Workers’ Compensation Liabilities
	  	 	25	  
			
	 Section 8.2
	 	 Code Sections 162(m)/409A
	  	 	25	  
			
	 Section 8.3
	 	 Certain Payroll and Bonus Matters
	  	 	25	  
			
	 Section 8.4
	 	 Danaher Retention Plan
	  	 	26	  
			
	 Section 8.5
	 	 Employee Stock Purchase Plan
	  	 	26	  
			
	 ARTICLE IX
	 	 INDEMNIFICATION
	  	 	26	  
			
	 Section 9.1
	 	 Indemnification by the Parties
	  	 	26	  
			
	 Section 9.2
	 	 Procedures for Indemnification
	  	 	26	  
			
	 Section 9.3
	 	 Indemnification Obligations Net of Proceeds Received from Third Parties
	  	 	28	  
			
	 Section 9.4
	 	 Certain Actions; Substitution; Subrogation
	  	 	29	  
			
	 Section 9.5
	 	 Payments
	  	 	30	  
			
	 ARTICLE X
	 	 GENERAL AND ADMINISTRATIVE
	  	 	30	  
			
	 Section 10.1
	 	 Sharing of Information
	  	 	30	  
			
	 Section 10.2
	 	 Reasonable Efforts/Cooperation
	  	 	30	  
			
	 Section 10.3
	 	 Employer Rights
	  	 	31	  
			
	 Section 10.4
	 	 Effect on Employment
	  	 	31	  
			
	 Section 10.5
	 	 Consent of Third Parties
	  	 	31	  
			
	 Section 10.6
	 	 Access to Employees
	  	 	31	  
			
	 Section 10.7
	 	 Beneficiary Designation/Release of Information/Right to Reimbursement
	  	 	31	  

  
 -ii- 

 TABLE OF CONTENTS 

(continued) 
  

							
	 	 	 	  	Page	 
	 ARTICLE XI
	 	 MISCELLANEOUS
	  	 	32	  
			
	 Section 11.1
	 	 Entire Agreement
	  	 	32	  
			
	 Section 11.2
	 	 Governing Law
	  	 	32	  
			
	 Section 11.3
	 	 Specific Performance; Jurisdiction
	  	 	32	  
			
	 Section 11.4
	 	 Waiver of Jury Trial
	  	 	33	  
			
	 Section 11.5
	 	 Notices
	  	 	33	  
			
	 Section 11.6
	 	 Amendments and Waivers
	  	 	34	  
			
	 Section 11.7
	 	 Termination
	  	 	35	  
			
	 Section 11.8
	 	 No Third-Party Beneficiaries
	  	 	35	  
			
	 Section 11.9
	 	 Assignability; Binding Effect
	  	 	35	  
			
	 Section 11.10
	 	 Construction; Interpretation
	  	 	35	  
			
	 Section 11.11
	 	 Severability
	  	 	36	  
			
	 Section 11.12
	 	 Counterparts
	  	 	36	  
			
	 Section 11.13
	 	 Relationship of Parties
	  	 	36	  
			
	 Section 11.14
	 	 Subsidiaries
	  	 	36	  
			
	 Section 11.15
	 	 Dispute Resolution
	  	 	36	  
			
	 Section 11.16
	 	 Guarantee
	  	 	37	  

  
 -iii- 

 EMPLOYEE MATTERS AGREEMENT 

This Employee Matters Agreement (this “Agreement”) is dated as of July 14, 2015, by and among Danaher Corporation, a
Delaware corporation (“Danaher”), Potomac Holdings LLC, a Delaware limited liability company and presently a wholly owned Subsidiary of Danaher (“Newco”), and NetScout Systems, Inc., a Delaware corporation
(“NetScout”) (each a “Party” and together, the “Parties”). 
 R E C I T A L S: 

WHEREAS, Danaher is engaged, directly or indirectly, in the Communications Business; 

WHEREAS, the Board of Directors of Danaher has determined that it is advisable and in the best interests of Danaher and Danaher’s
stockholders to separate the Communications Business from the other businesses of Danaher and to divest the Communications Business in the manner contemplated by the Separation and Distribution Agreement, dated as of October 12, 2014 (the
“Distribution Agreement”), by and among Danaher, Newco and NetScout, and the Merger Agreement, dated as of October 12, 2014 (the “Merger Agreement”), by and among Danaher, Newco, NetScout, RS Merger Sub, Inc.,
a Delaware corporation and a direct wholly owned Subsidiary of NetScout (“Merger Sub”), and RS Merger Sub II, LLC, a Delaware limited liability company and a direct wholly owned Subsidiary of NetScout (“Merger Sub
II”); 
 WHEREAS, Danaher currently indirectly owns all of the common units representing limited liability company membership
interests of Newco (the “Newco Common Units”); 
 WHEREAS, the Parties contemplate that, pursuant to the Merger Agreement,
immediately after the Distribution and at the Effective Time, Merger Sub shall be merged (the “First Merger”) with and into Newco, with Newco surviving the First Merger as a wholly owned subsidiary of NetScout, and the Newco Common
Units shall be converted into the right to receive shares of common stock of NetScout on the terms and subject to the conditions of the Merger Agreement and in accordance with the Delaware General Corporation Law and the Delaware Limited Liability
Company Act; 
 WHEREAS, immediately following the First Merger, Newco will merge with and into Merger Sub II, with Merger Sub II surviving
the merger (together with the First Merger, the “Mergers”) in the manner contemplated by the Merger Agreement on the terms and subject to the conditions of the Merger Agreement and in accordance with the Delaware Limited Liability
Company Act; and 
 WHEREAS, pursuant to the Distribution Agreement, Danaher and Newco have agreed to enter into this Agreement for the
purpose of allocating assets, Liabilities and responsibilities with respect to certain employee matters and employee compensation and benefit plans and programs between them and to address certain other employment-related matters. 

  
 1 

 NOW, THEREFORE, in consideration of the foregoing and the representations, warranties and
covenants and agreements contained herein, and intending to be legally bound hereby, the Parties agree as follows: 
 ARTICLE I 

DEFINITIONS AND INTERPRETATION 

Section 1.1 Definitions. Capitalized terms used but not defined herein shall have the meanings assigned to such terms in
the Distribution Agreement, and the following terms shall have the following meanings: 
 “Action” means any demand,
charge, claim, action, suit, counter suit, arbitration, mediation, hearing, inquiry, proceeding, audit, review, complaint, litigation or investigation, or proceeding of any nature whether administrative, civil, criminal, regulatory or otherwise, by
or before any federal, state, local, foreign or international Governmental Authority or any arbitration or mediation tribunal. 

“Affiliate” means, with respect to any Person, any other Person directly or indirectly controlling, controlled by, or under
common control with such other Person as of the date on which, or at any time during the period for which, the determination of affiliation is being made. For purposes of this definition, the term “control” (including, with correlative
meanings, the terms “controlled by” and “under common control with”), as used with respect to any Person means the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies
of such Person, whether through the ownership of voting securities, by Contract or otherwise. 
 “Agreement” has the
meaning set forth in the preamble. 
 “Automatic Transfer Employees” shall mean any Newco Employee, where local employment
Laws, including but not limited to the Transfer Regulations, provide for an automatic transfer of such employees to Newco by operation of Law upon the transfer of a business as a going concern and such business transfer occurs as a result of the
transactions contemplated by the Separation Agreement. 
 “Benefit Arrangement” means each Benefit Plan and Benefit Policy.

 “Benefit Plan” means, with respect to an entity, each compensation or employee benefit plan, program, policy, agreement
or other arrangement, whether or not “employee benefit plans” (within the meaning of Section 3(3) of ERISA, whether or not subject to ERISA), including any benefit plan, program, policy, agreement or arrangement providing cash- or
equity-based compensation or incentives, health, medical, dental, vision, disability, accident or life insurance benefits or vacation, severance, retention, change in control, termination, deferred compensation, individual employment or consulting,
retirement, pension or savings benefits, supplemental income, retiree benefit, relocation or other fringe benefit (whether or not taxable), or employee loans, that are sponsored or maintained by such entity (or to which such entity contributes or is
required to contribute or in which it participates), and excluding workers’ compensation plans, policies, programs and arrangements. 

“Benefit Policy” means, with respect to an entity, each plan, program, arrangement, agreement or commitment that is a
vacation pay or other paid or unpaid leave policy or practice sponsored or maintained by such entity (or to which such entity contributes or is required to contribute) or in which it participates. 

  
 2 

 “Business Day” means any day that is not a Saturday, a Sunday or other day that
is a statutory holiday under the federal Laws of the United States. In the event that any action is required or permitted to be taken under this Agreement on or by a date that is not a Business Day, such action may be taken on or by the Business Day
immediately following such date. 
 “Cancelled Danaher Equity Award Value” means, with respect to each Newco Employee who
is a holder of Cancelled Danaher Equity Awards, a dollar value equal to the sum of (i) the Cancelled Danaher Option Value in respect of the Cancelled Danaher Options held by such Newco Employee and (ii) the Cancelled Danaher Restricted
Stock Unit Value in respect of the Cancelled Danaher Restricted Stock Units held by such Newco Employee. 
 “Cancelled Danaher
Equity Awards” has the meaning set forth in Section 7.2. 
 “Cancelled Danaher Option Conversion
Ratio” means the quotient of (i) the total number of shares of Danaher Common Stock subject to a Cancelled Danaher Option as of immediately prior to the Closing Date, divided by (ii) 2.5. 

“Cancelled Danaher Option Value” means, with respect to each Cancelled Danaher Option, an amount equal to the greater of
(i) the product of (x) the total number of shares of Danaher Common Stock subject to such Cancelled Danaher Option as of immediately before the Closing Date and (y) the excess of (1) the Danaher Closing Trading Price over
(2) the exercise price per share of such Cancelled Danaher Option; and (ii) the product of (x) the Cancelled Danaher Option Conversion Ratio, multiplied by (y) the Danaher Closing Trading Price. 

“Cancelled Danaher Options” has the meaning set forth in Section 7.2. 

“Cancelled Danaher Restricted Stock Unit Value” means, with respect to each Cancelled Danaher Restricted Stock Unit, an
amount equal to the Danaher Closing Trading Price. 
 “Cancelled Danaher Restricted Stock Units” has the meaning set forth
in Section 7.2. 
 “Closing” has the meaning given to such term in the Merger Agreement. 

“Closing Date” has the meaning given to such term in the Merger Agreement. 

“Code” means the United States Internal Revenue Code of 1986 (or any successor statute), as amended from time to time. 

“Collective Bargaining Agreement” means all agreements with the collective bargaining representatives, employee
representative, trade union, labor or management organization, group of employees, or works councils or similar representative bodies of Newco Employees including all national or sector specific collective agreements which are applicable to Newco
Employees, in each case in effect immediately prior to the Separation Time that set forth terms and conditions of employment of Newco Employees, and all modifications of, or amendments to, such agreements and any rules, procedures, awards or
decisions of competent jurisdiction interpreting or applying such agreements. 

  
 3 

 “Communications Business” has the meaning set forth in the Distribution
Agreement. 
 “Consents” means any consents, waivers or approvals from, or notification requirements to, or authorizations
by, any third parties. 
 “Contract” means any legally binding written or oral agreement, contract, subcontract, lease,
understanding, instrument, note, option, warranty, sales order, purchase order, license, sublicense, insurance policy, benefit plan or commitment or undertaking of any nature, excluding any Permit. 

“Danaher” has the meaning given to such term in the preamble. 

“Danaher Benefit Arrangement” means any Benefit Arrangement sponsored, maintained or contributed to by any member of the
Danaher Group or any ERISA Affiliate thereof. 
 “Danaher Closing Trading Price” means the per share closing trading price
of Danaher Common Stock trading on the “regular way” basis on the New York Stock Exchange on the day before the Distribution Date. 

“Danaher Common Stock” means the issued and outstanding shares of common stock, par value $0.01 per share, of Danaher. 

“Danaher Group” means Danaher and each of its Subsidiaries or Affiliates, but excluding any member of the Newco Group. 

“Danaher Indemnitees” means Danaher, each member of the Danaher Group, and all Persons who are or have been shareholders,
directors, partners, managers, managing members, officers, agents or employees of any member of the Danaher Group (in each case, in their respective capacities as such) (excluding any shareholder of Danaher), together with their respective heirs,
executors, administrators, successors and assigns. 
 “Danaher Non-U.S. Retirement Plan” means the Danaher Benefit
Arrangements set forth on Schedule A, which Schedule A may be supplemented from time to time for sixty (60) days following the date hereof. 

“Danaher Non-U.S. Savings Plan” means the Danaher Benefit Arrangements set forth on Schedule B, which Schedule B may be
supplemented from time to time for sixty (60) days following the date hereof. 
 “Danaher NQDC Plan” means the
Amended & Restated Danaher Corporation & Subsidiaries Executive Deferred Compensation Plan. 
 “Danaher
Option” means an option to purchase shares of Danaher Common Stock granted pursuant to one of the Danaher Stock Plans and held by a Newco Employee as of immediately before the Closing Date. 

  
 4 

 “Danaher Restricted Stock Unit” means a unit granted by Danaher pursuant to one
of the Danaher Stock Plans representing a general unsecured promise by Danaher to deliver a share of Danaher Common Stock upon the satisfaction of a vesting requirement and held by a Newco Employee as of immediately before the Closing Date. 

“Danaher Stock Plans” means, collectively, (i) the Danaher Corporation 2007 Stock Incentive Plan, as amended, and
(ii) the Danaher Corporation Amended and Restated 1998 Stock Option Plan. 
 “Danaher U.S. Retirement Plan” means the
Danaher Corporation & Subsidiaries Pension Plan. 
 “Danaher U.S. Savings Plan” means Danaher
Corporation & Subsidiaries Retirement & Savings Plan. 
 “Danaher Welfare Plans” means any employee
welfare benefit plan within the meaning of Section 3(1) of ERISA (whether or not subject to ERISA) maintained by Danaher or any member of the Danaher Group and in which Newco Employees participate immediately prior to the Separation Time. 

“Delayed Transfer Date” means the date on which it is determined in accordance with Section 2.10 of this
Agreement that a Delayed Transfer Newco Employee is eligible to return to active service. A Delayed Transfer Newco Employee will become a Newco Employee only if and when such Delayed Transfer Newco Employee returns to active service for any member
of the Danaher Group within six (6) months following the Effective Time or such longer period as required by Law or otherwise agreed to by the Parties. 

“Delayed Transfer Newco Employee” means each Newco Employee who is not actively at work as of the Separation Date as a result
of (i) disability (either long-term or short term, in either case as defined in the applicable program or arrangement maintained or sponsored by Danaher or another member of the Danaher Group) or (ii) approved leave of absence; provided
that in no event shall any Newco Employee whose employment transfers to Newco as of or prior to the Separation Date pursuant to applicable Law be deemed to be a Delayed Transfer Newco Employee. 

“Designated Person” has the meaning set forth in Section 2.10(b). 

“Distribution” has the meaning given to such term in the Merger Agreement. 

“Distribution Agreement” has the meaning set forth in the recitals. 

“Distribution Date” has the meaning given to such term in the Distribution Agreement. 

“Effective Time” has the meaning given to such term in the Merger Agreement. 

“Employee Representative” means any works council, employee representative, trade union, labor or management organization,
group of employees or similar representative body for Newco Employees. 

  
 5 

 “Employment Tax Return” means any return, report, certificate, form or similar
statement or document (including any related or supporting information or schedule attached thereto and any information return, amended tax return, claim for refund or declaration of estimated Employment Tax) required to be supplied to, or filed
with, a Tax authority in connection with the determination, assessment or collection of any Employment Tax or the administration of any laws, regulations or administrative requirements relating to any Employment Tax (whether or not a payment is
required to be made with respect to such filing). 
 “Employment Taxes” means any federal, state, local or foreign Taxes,
charges, fees, duties, levies, imposts, rates, social security contributions or other assessments or obligations imposed on, due or asserted to be due from (i) employees or deemed employees of the Danaher Group or employees or deemed employees
of the Newco Group or (ii) the Danaher Group or the Newco Group as employers or deemed employers of such employees, including employers’ and employees’ portions of Federal Insurance Contributions Act (“FICA”) Taxes,
employers’ Federal Unemployment Tax Act (“FUTA”) taxes and state and local unemployment insurance taxes (“SUTA”), and employers’ withholding, reporting and remitting obligations with respect to any such
Taxes or employees’ federal, state and local income taxes that are imposed on or due from employees or deemed employees of the Danaher Group or the Newco Group. 

“ERISA” means the Employee Retirement Income Security Act of 1974, as amended. 

“ERISA Affiliate” means with respect to any Person, each business or entity which is a member of a “controlled group of
corporations,” under “common control” or a member of an “affiliated service group” with such Person within the meaning of Sections 414(b), (c) or (m) of the Code, or required to be aggregated with such Person
under Section 414(o) of the Code, or under “common control” with such Person within the meaning of Section 4001(a)(14) of ERISA. 

“ESPP” has the meaning set forth in Section 8.5. 

“First Merger” has the meaning set forth in the recitals. 

“Governmental Authority” means any federal, state, local, foreign or international court, government, department, commission,
board, bureau, agency, official or other regulatory, administrative or governmental authority or self-regulatory organization. 

“HIPAA” means the Health Insurance Portability and Accountability Act of 1996, as amended. 

“Indemnifying Party” has the meaning set forth in Section 9.2(b). 

“Indemnitee” means each Danaher Indemnitee, Newco Indemnitee or NetScout Indemnitee. 

“Indemnity Payment” has the meaning set forth in Section 9.3(a). 

“Information” means information in written, oral, electronic or other tangible or intangible forms, stored in any medium,
including studies, reports, records, books, Contracts, instruments, surveys, discoveries, ideas, concepts, know-how, techniques, designs, 

  
 6 

 
specifications, drawings, blueprints, diagrams, models, prototypes, samples, flow charts, data, computer data, disks, diskettes, tapes, computer programs or other software, marketing plans,
customer names, communications by or to attorneys (including attorney-client privileged communications), memos and other materials prepared by attorneys or under their direction (including attorney work product), and other technical, financial,
employee or business information or data but in any case excluding back-up tapes. 
 “Integration Team” has the meaning set
forth in Section 2.10(b). 
 “IRS” means the U.S. Internal Revenue Service. 

“Law” means any statute, law (including common law), ordinance, regulation, rule, code or other legally enforceable
requirement of, or Order issued by, a Governmental Authority. 
 “Liabilities” means all debts, liabilities (including
liabilities for Employment Taxes), guarantees, assurances, commitments and obligations, whether fixed, contingent or absolute, asserted or unasserted, matured or unmatured, liquidated or unliquidated, accrued or not accrued, known or unknown, due or
to become due, whenever or however arising (including whether arising out of any Contract or tort based on negligence, strict liability or relating to Employment Taxes payable by a Person in connection with compensatory payments to employees or
independent contractors) and whether or not the same would be required by generally accepted principles and accounting policies to be reflected in financial statements or disclosed in the notes thereto. 

“Losses” has the meaning given to such term in the Distribution Agreement. 

“Merger Agreement” has the meaning set forth in the recitals. 

“Merger Sub” has the meaning set forth in the recitals. 

“Merger Sub II” has the meaning set forth in the recitals. 

“NetScout” has the meaning set forth in the preamble. 

“NetScout Benefit Arrangement” means any Benefit Arrangement sponsored, maintained or contributed to by any member of the
NetScout Group or any ERISA Affiliate thereof immediately following the Effective Time. 
 “NetScout Closing Trading Price”
means the per share closing trading price of NetScout Common Stock trading on the “regular way” basis on the NASDAQ Global Market on the Closing Date. 

“NetScout Group” means NetScout and each of its Affiliates, including after the Closing, the Newco Group. 

“NetScout Indemnitees” means NetScout, each member of the NetScout Group, and all Persons who are or have been shareholders,
directors, partners, managers, managing members, officers, agents or employees of any member of the NetScout Group (in each case, in their respective capacities as such) (excluding any shareholder of NetScout), together with their respective heirs,
executors, administrators, successors and assigns. 

  
 7 

 “NetScout Non-U.S. Retirement Plan” has the meaning set forth in
Section 3.2(b). 
 “NetScout Non-U.S. Savings Plan” has the meaning set forth in Section 4.2(b).

 “NetScout Restricted Stock Unit” means a unit issued by NetScout representing a general unsecured promise by NetScout to
deliver a share of NetScout Common Stock upon the satisfaction of a vesting requirement, which unit is issued pursuant to Section 7 hereof under a stock plan maintained by NetScout. 

“NetScout U.S. Savings Plans” has the meaning set forth in Section 4.1(b). 

“NetScout Welfare Plans” means any employee welfare benefit plan within the meaning of Section 3(1) of ERISA (whether or
not subject to ERISA) maintained by NetScout or any member of the NetScout Group and in which Newco Employees participate following the Effective Time. 

“Newco” has the meaning set forth in the preamble. 

“Newco Benefit Arrangement” means any Benefit Arrangement sponsored, maintained or contributed to exclusively by one or more
members of the Newco Group. 
 “Newco Employee” means, as of the Separation Date (i) each employee of Danaher’s
Tektronix Communications business, (ii) each employee of Danaher’s Arbor Networks business and (iii) each other employee of any member of the Danaher Group who is determined in accordance with Section 2.10 hereof to be
either (A) primarily dedicated to the Communications Business in the ordinary course or (B) required for the ongoing operation of the Communications Business, and in all cases regardless of whether any such employee is actively at work as
of the Separation Date or is not actively at work as of Separation Date as a result of disability or illness, an approved leave of absence (including military leave with reemployment rights under federal law and leave under the Family and Medical
Leave Act of 1993), vacation, personal day or similar short- or long-term absence. 
 “Newco Group” means Newco and each of
the Newco Subs. Each of the Newco Subs shall be deemed to be members of the Newco Group as of the Separation Time and at all times thereafter up to the Effective Time. 

“Newco Indemnitees” means Newco, each member of the Newco Group, NetScout (from and after the Separation Time), and each of
their respective successors and assigns, and all Persons who are or have been shareholders, directors, partners, managers, managing members, officers, agents or employees of any member of the Newco Group (in each case, in their respective capacities
as such), and their respective heirs, executors, administrators, successors and assigns. 
 “Newco Independent Contractors”
means (i) each independent contractor who provides services to Danaher’s Tektronix Communications business, (ii) each independent contractor who 

  
 8 

 
provides services to Danaher’s Arbor Networks business and (iii) each other independent contractor of any member of the Danaher Group who is determined in accordance with
Section 2.10 hereof to be either (A) primarily dedicated to the Communications Business in the ordinary course or (B) required for the ongoing operation of the Communications Business. 

“Newco Subs” has the meaning set forth in the Distribution Agreement. 

“Non-Automatic Transfer Employees” shall mean any Newco Employee who is not an Automatic Transfer Employee. 

“Non-Designated Person” has the meaning set forth in Section 2.10(b). 

“NQDC Plan” means a plan providing for the deferral of compensation that are not tax qualified within the meaning of the
Section 401(a) of the Code. 
 “Order” means any: (i) order, judgment, injunction, edict, decree, ruling,
pronouncement, determination, decision, opinion, verdict, sentence, subpoena, writ or award issued, made, entered, rendered or otherwise put into effect by or under the authority of any court, administrative agency or other Governmental Authority or
any arbitrator or arbitration panel or (ii) Contract with any Governmental Authority entered into in connection with any Action. 

“Participating Company” means Danaher or any Person (other than an individual) participating in a Danaher Benefit
Arrangement. 
 “Party” or “Parties” has the meaning set forth in the preamble. 

“Pension Transfers” has the meaning set forth in Section 3.2. 

“Person” means an individual, a partnership, a corporation, a limited liability company, an association, a joint stock
company, a trust, a joint venture, an unincorporated organization or a Governmental Authority. 
 “Potential Transferees” has the
meaning set forth in Section 2.10(b).  
 “Separation Date” has the meaning set forth in the Distribution
Agreement. 
 “Separation Time” has the meaning set forth in the Distribution Agreement. 

“Subsidiary” means, with respect to any Person, any corporation or other entity (including partnerships and other business
associations and joint ventures) of which at least a majority of the voting power represented by the outstanding capital stock or other voting securities or interests having voting power under ordinary circumstances to elect directors or similar
members of the governing body of such corporation or entity (or, if there are no such voting interests, fifty percent (50%) or more of the equity interests in such corporation or entity) shall at the time be held, directly or indirectly, by
such Person. 
 “Tax” or “Taxes” means all taxes, charges, fees, levies, penalties or other assessments
imposed by any federal, state, local, provincial or foreign taxing authority, including income, 

  
 9 

 
gross receipts, excise, real or personal property, sales, use, transfer, customs, duties, franchise, receipts, license, stamp, occupation, Employment Taxes or other taxes, including any interest,
penalties or additions attributable thereto, and any payments to any state, local, provincial or foreign taxing authorities in lieu of any such taxes, charges, fees, levies or assessments. 

“Tax Benefit Amount” has the meaning set forth in Section 7.3(b). 

“Third-Party Claim” has the meaning set forth in Section 9.2(b). 

“Third-Party Proceeds” has the meaning set forth in Section 9.3(a). 

“Transfer Objection” has the meaning set forth in Section 2.9(e). 

“Transfer Regulations” means (i) all laws of any EU Member State implementing the EU Council Directive 2001/23/EC of
12 March 2001 on the approximation of the laws of the Member States relating to the safeguarding of employees’ rights in the event of transfers of undertakings, businesses or parts of undertakings or businesses (the “Acquired
Rights Directive”) and legislation and regulations of any EU Member State implementing such Acquired Rights Directive, and (ii) any similar laws in any jurisdiction providing for an automatic transfer, by operation of law, of
employment in the event of a transfer of business. 
 Section 1.2 References; Interpretation. Unless the context
otherwise requires: 
 (a) references in this Agreement to Articles, Sections, Exhibits and Schedules shall be deemed references to Articles
and Sections of, and Exhibits and Schedules to, this Agreement; 
 (b) references in this Agreement to any time shall be to the then
prevailing New York City, New York time unless otherwise expressly provided herein; and 
 (c) references to an individual as an
“Employee” are descriptive only and are not necessarily intended to mean that an individual is in fact an employee of any Party. 

Section 1.3 Relation to Other Documents. To the extent there is any inconsistency between this Agreement and the terms of
another agreement pertaining to the Separation or Mergers (other than any Collective Bargaining Agreement) that is the subject of this Agreement and such inconsistency (i) arises in connection with or as a result of employment with or the
performance of services before or after the Separation for any member of the Danaher Group, Newco Group or NetScout Group and (ii) relates to the allocation of Liabilities attributable to the employment, service, termination of employment or
termination of service of all present or former Danaher employees or Newco Employees or any of their dependents and beneficiaries (and any alternate payees in respect thereof) and other service providers (including any individual who is, or was or
is determined to be an independent contractor, temporary employee, temporary service worker, consultant, freelancer, agency employee, leased employee, on-call worker, incidental worker, or non-payroll worker or in any other employment,
non-employment, or retainer arrangement, or relationship with any member of the Danaher Group or the Newco Group), the terms of this Agreement shall prevail. 

  
 10 

 ARTICLE II 

GENERAL PRINCIPLES 

Section 2.1 Assumption and Retention of Liabilities; Related Assets. 

(a) Effective as of the Separation Time, except as otherwise expressly provided for in this Agreement, Danaher shall, or shall cause one or
more members of the Danaher Group to, assume or retain, as applicable, and pay, perform, fulfill and discharge, in due course in full, (i) all Liabilities under all Danaher Benefit Arrangements, except for any such Liabilities relating to Newco
Employees, whenever incurred; (ii) subject to Section 2.1(b), all Liabilities with respect to the employment, service, termination of employment or termination of service of all employees and independent contractors (other than
Newco Employees and Newco Independent Contractors) of any member of the Danaher Group and their dependents and beneficiaries (and any alternate payees in respect thereof); (iii) all Liabilities relating to the transfer of Newco Employees from
the Danaher Group to the Newco Group that arise in respect of any applicable notice and/or severance obligations or obligations to notify and/or consult in compliance with a Collective Bargaining Agreement or applicable Law, including but not
limited to the Transfer Regulations; provided that any such Liabilities do not arise because of a failure of any member of the Newco Group or NetScout, as applicable, to offer or provide compensation or employee benefits as required by this
Agreement, other than Liabilities to the extent caused by an action, or failure to act, by Danaher which in any case constitutes a breach of this Agreement; and (iv) any other Liabilities or obligations expressly assigned to Danaher or any of
its Affiliates under this Agreement. 
 (b) Effective as of the Separation Time, except as otherwise expressly provided for in this
Agreement but notwithstanding the provisions of Section 2.1(a), Newco shall, or shall cause one or more members of the Newco Group to, assume or retain, as applicable, and pay, perform, fulfill and discharge, in due course in full,
(i) all Liabilities under all Danaher Benefit Arrangements relating to Newco Employees, whenever incurred, and all Liabilities under Newco Benefit Arrangements; (ii) all Liabilities with respect to the employment, service, termination of
employment or termination of service of all Newco Employees and Newco Independent Contractors and their dependents and beneficiaries (and any alternate payees in respect thereof); (iii) all Liabilities with respect to the employment, service,
termination of employment or termination of service of all individuals who are not Newco Employees or Newco Independent Contractors but where (and to the extent) the act or omission giving rise to such Liability arose while such individual was
employed in or providing substantial services to the Communications Business; and (iv) any other Liabilities or obligations expressly assigned to Newco or any of its Affiliates under this Agreement. 

(c) From time to time after the Separation Time, the Parties shall promptly reimburse one another, upon reasonable request of the Party
requesting reimbursement and the presentation by such Party of such substantiating documentation as the other Party shall reasonably request, for the cost of any obligations or Liabilities satisfied or assumed by the Party requesting reimbursement
or its Affiliates that are, or that have been made pursuant to this Agreement, the responsibility of the other Party or any of its Affiliates. Any such reimbursement shall be equal to the cost actually incurred by the Party requesting reimbursement
and shall be submitted to the other Party within 30 days of the payment by the Party requesting reimbursement. 

  
 11 

 (d) Subject to applicable Law and the Tax Matters Agreement, Danaher shall retain responsibility
for all employee-related regulatory filings for reporting periods ending at or prior to the Effective Time, except for Equal Employment Opportunity Commission EEO-1 reports and affirmative action program (AAP) reports and responses to Office of
Federal Contract Compliance Programs (OFCCP) submissions, for which Danaher shall provide data and information (to the extent permitted by applicable Laws and consistent with Section 10.1) to Newco, which shall be responsible for making
such filings in respect of Newco Employees. 
 (e) Danaher shall be the responsible party for preparing and timely filing or causing to be
prepared and timely filed all Employment Tax Returns of any member of the Danaher Group. Danaher shall be liable for all Employment Taxes due on any such Employment Tax Return. Danaher, at its sole expense, shall have exclusive control over the
conduct and resolution of any audit, litigation, contest, dispute, or other proceeding relating to Employment Taxes of any member of the Danaher Group. Newco shall be the responsible party for preparing and timely filing or causing to be prepared
and timely filed all Employment Tax Returns of any member of the Newco Group with respect to periods (or portions thereof) following the Distribution Date. Newco shall be liable for all Employment Taxes due on any such Employment Tax Return. Newco,
at its sole expense, shall have exclusive control over the conduct and resolution of any audit, litigation, context, dispute, or other proceeding relating to Employment Taxes of the Newco Group. 

(f) Notwithstanding anything set forth in this Agreement to the contrary, to the extent that any provision of this Agreement would require any
member of the Newco Group or the NetScout Group to assume any Liability or otherwise perform any obligation in respect of a Delayed Transfer Newco Employee, such assumption or performance shall not occur or otherwise become effective until the
Delayed Transfer Date applicable to such Delayed Transfer Newco Employee. 
 Section 2.2 Treatment of Compensation and Benefit
Arrangements. 
 (a) Unless otherwise required by a Collective Bargaining Agreement and except as otherwise expressly provided for in
this Agreement, and subject to the Newco Group’s obligations in relation to employees who transfer to the Newco Group at the Separation Time pursuant to the Transfer Regulations, (i) for a period of twelve (12) months following the
Closing Date (or such shorter period as any such Newco Employee is employed by NetScout or one of its Affiliates), NetScout will provide or cause to be provided to each Newco Employee (A) a base salary or hourly wage rate, as applicable, that
is at least equal to the base salary or hourly wage rate provided to such Newco Employee immediately prior to the Separation Time and (B) a target annual cash bonus opportunity no less favorable than the target annual cash bonus opportunity in
effect for such Newco Employee, if any, immediately prior to the Separation Time, and (ii) for a period beginning within a reasonable period of time following the Closing Date and ending on December 31 of the calendar year in which the
Closing Date occurs (or such shorter period as any such Newco Employee is employed by NetScout or one of its Affiliates), NetScout will use its reasonable best efforts to provide or cause to be provided to

  
 12 

 
each Newco Employee health and welfare and retirement benefits that are no less favorable than those provided by NetScout to similarly situated employees of NetScout in the applicable
jurisdiction as of the date hereof (which for U.S. Newco Employees shall be determined by reference to the benefits as described in the NetScout 2014 Summary of Benefits as may be amended for all NetScout U.S. employees). 

(b) Without limiting Section 2.2(a) and subject to the Newco Group’s obligations in relation to employees who transfer to the
Newco Group as of the Separation Time pursuant to the Transfer Regulations and applicable Law, for a period of twelve (12) months following the Effective Time, NetScout shall provide or cause to be provided to each Newco Employee not covered by
Collective Bargaining Agreements severance benefits calculated in a manner no less favorable than those such Newco Employee would have received upon a termination of employment or service immediately prior to the Separation Time. 

Section 2.3 Establishment of Newco Benefit Arrangements and Participation in Danaher Benefit Arrangements. Prior to the
Effective Time, any member of the Newco Group may establish or maintain Newco Benefit Arrangements in accordance with the provisions of Section 2.10 of this Agreement. Except as otherwise expressly provided for in this Agreement or as
otherwise expressly agreed to in writing between the Parties, effective as of the Effective Time, (i) Newco and each member of the Newco Group, to the extent applicable, shall cease to be a Participating Company in any Danaher Benefit
Arrangement and (ii) each Newco Employee shall cease to participate in, be covered by, accrue benefits under, be eligible to contribute to or have any rights under any Danaher Benefit Arrangement (except to the extent of obligations that
accrued before the Effective Time and that remain a Liability of any member of the Danaher Group pursuant to this Agreement), and Danaher and Newco shall take all necessary action to effectuate each such cessation. Notwithstanding the above, and in
the event it is not administratively feasible or practicable to provide coverage to Newco Employees immediately as of the Effective Time under NetScout Benefit Arrangements (as determined by NetScout), Danaher will confer with NetScout regarding the
provision of continued coverage for Newco Employees in Danaher Benefits Arrangements after the Effective Time on terms and conditions satisfactory to Danaher. 

Section 2.4 Service Recognition. Effective as of the Effective Time, and in addition to any applicable obligations under
the Transfer Regulations or other applicable Law, NetScout shall, and shall cause each member of the NetScout Group to, give each Newco Employee full credit for purposes of eligibility, vesting, and determination of level of benefits under any
NetScout Benefit Arrangement for such Newco Employee’s service with any member of the Danaher Group or Newco Group or any predecessor thereto prior to the Effective Time, to the same extent such service was recognized by the applicable Danaher
Benefit Arrangement immediately prior to the Effective Time; provided, that, such service shall not be recognized to the extent such recognition would result in the duplication of benefits. In addition, and without limiting the generality of
the foregoing provisions of this Section 2.4, (i) NetScout shall use reasonable efforts to cause each Newco Employee to be immediately eligible to participate, without any waiting time, in any and all NetScout Benefit Arrangements
to the extent coverage under the NetScout Benefit Arrangement is provided by NetScout to similarly situated employees in the applicable jurisdiction as of the Effective Time, (ii) for purposes of each NetScout Benefit Arrangement that is a
medical, dental or vision benefit plan, NetScout shall use 

  
 13 

 
reasonable efforts to cause all pre-existing condition exclusions and actively-at-work requirements of such NetScout Benefit Arrangement to be waived for such employee and his or her covered
dependents, and (iii) NetScout shall use reasonable efforts to cause any eligible expenses incurred by such employee and his or her covered dependents during the portion of the plan year of the Danaher Benefit Arrangement ending on the date
such employee’s participation in the corresponding NetScout Benefit Arrangement begins to be taken into account under such NetScout Benefit Arrangement for purposes of satisfying all deductible, coinsurance and maximum out-of pocket
requirements applicable to such employee and his or her covered dependents for the applicable plan year as if such amounts had been paid in accordance with the NetScout Benefit Arrangement. 

Section 2.5 Collective Bargaining Agreements. Notwithstanding anything in this Agreement to the contrary, prior to the
Effective Time, Danaher and Newco shall, to the extent required by applicable Law, take or cause to be taken all actions that are necessary (if any) for Newco or a member of the Newco Group to continue to maintain or to assume and honor any
Collective Bargaining Agreements and any pre-existing collective bargaining relationships (in each case including obligations that arise in respect of the period both before and after the date of employment by the Newco Group) in respect of any
Newco Employees and any Employee Representatives. As of the Effective Time, NetScout shall, or shall cause Newco or a member of the Newco Group to continue to maintain or to assume and honor, to the extent required by applicable Law, all Collective
Bargaining Agreements and pre-existing collective bargaining relationships (in each case including obligations that arise in respect of the period both before and after the date of a Newco Employee’s employment by the Newco Group) applicable to
any Newco Employee immediately before the Effective Time. Nothing in this Agreement is intended to alter the provisions of any Collective Bargaining Agreement or modify in any way the obligations of the Danaher Group or the Newco Group to any
Employee Representative or any other Person as described in such agreement. 
 Section 2.6 No Acceleration of Benefits.
Except as otherwise provided in this Agreement, no provision of this Agreement shall be construed to create any right, or accelerate vesting or entitlement, to any compensation or benefit whatsoever on the part of any Newco Employee or other former,
current or future employee of the Danaher Group or Newco Group under any Benefit Arrangement of the Danaher Group or Newco Group. 

Section 2.7 Amendment Authority. Except as otherwise provided in this Agreement, nothing in this Agreement is intended to
prohibit any member of the Danaher Group, Newco Group or NetScout Group from amending or terminating any employee benefit plans, policies or compensation programs at any time on or after the Separation Date. 

Section 2.8 No Commitment to Employment or Benefits. Nothing contained in this Agreement shall be construed as a commitment
or agreement on the part of any individual to continue employment with the Danaher Group, Newco Group or NetScout Group or, except as otherwise provided in this Agreement, as a commitment on the part of the Danaher Group, Newco Group or NetScout
Group to continue the employment, compensation, or benefits of any individual for any period or to provide any recall or similar rights to an individual on layoff or any type of leave of absence. This Agreement is solely for the benefit of the
Danaher Group, Newco Group and NetScout Group and, except to the extent otherwise expressly provided 

  
 14 

 
herein, nothing in this Agreement, express or implied, is intended to confer any rights, benefits, remedies, obligations or Liabilities under this Agreement upon any Person, including any Newco
Employee or other current or former employee, officer, director or contractor of the Danaher Group, Newco Group or NetScout Group, other than the Parties and their respective successors and assigns. 

Section 2.9 Certain Employment Transfers. 

(a) Danaher shall use reasonable best efforts to cause each Newco Employee to be employed by a member of the Newco Group at the Separation Time
in accordance with applicable Law. Danaher Group and Newco Group agree to execute, and to seek to have the applicable Newco Employees execute, such documentation, if any, as may be necessary to reflect the transfer of employment described in this
Section 2.9. NetScout shall provide the information, within reason, as requested by Danaher and its Affiliates in sufficient time to enable Danaher and its Affiliates to meet their information and consultation requirements pursuant to
the Transfer Regulations, any Collective Bargaining Agreement or otherwise, provided that any such requests are timely received. 
 (b)
Automatic Transfer Employees shall not be terminated upon the Separation Time, but rather the rights, powers, duties, liabilities and obligations of Danaher (or the appropriate member of the Danaher Group) to such employees with respect to their
material terms of employment in force immediately before the Separation Date shall be transferred to the appropriate member of the Newco Group, but only to the extent required by, and only then in accordance with, applicable Law. 

(c) For Non-Automatic Transfer Employees outside of the United States where the transfer of employment is by way of termination/resignation
and re-hire, the appropriate member of the Newco Group shall offer employment to each such employee effective on the Separation Date. Each such offer will be at such employee’s same location and same base salary as is in effect immediately
before the Separation Date and otherwise on substantially the same terms and conditions of employment in the aggregate as was provided by the appropriate member of the Danaher Group immediately before the Separation Date, and which shall comply with
the requirements of Section 2.2 to the extent permitted by Law. For Non-Automatic Transfer Employees outside of the United States where the transfer of employment is by way of employer substitution, the appropriate member of the Danaher
Group shall effectuate an employer substitution on the Separation Date with respect to the employees, in accordance with applicable Law, pursuant to which each appropriate member of the Newco Group will employ the employees, and will acknowledge and
accept all rights, obligations, duties, and responsibilities with respect to such employees as of the Separation Date. Such employer substitution shall comply with the requirements of Section 2.2, the extent permitted by Law. 

(d) Notwithstanding anything set forth in this Agreement to the contrary, the provisions of this Section 2.9 will not apply to any
Delayed Transfer Newco Employee until the Delayed Transfer Date applicable to such Delayed Transfer Newco Employee, unless otherwise required by Law. 

  
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 (e) To the extent a Newco Employee objects, rejects or refuses to transfer to Newco Group (a
“Transfer Objection”), such employee shall remain employed by Danaher, or the appropriate member of the Danaher Group, to the extent permitted by Law. To the extent a Newco Employee transfers to Newco Group despite such
employee’s Transfer Objection, provided that the Transfer Objection is not due to NetScout’s failure to comply with any of its obligations under this Agreement, Danaher shall reimburse and otherwise fully indemnify NetScout for any
Liabilities arising out of the subsequent termination or separation of employment of such Newco Employee, including the costs of notice and severance, arising or resulting from such employee’s objection, rejection or refusal to transfer.
NetScout shall take all reasonable steps to minimize such Liabilities including giving Danaher the opportunity to re-employ such individual. 

Section 2.10 Identification of Newco Employees and Independent Contractors. 

(a) Each employee of, or independent contractor providing services to, Danaher’s Arbor Networks business or Danaher’s Tektronix
Communications business immediately prior to the Separation Time shall automatically be treated as a Newco Employee or Newco Independent Contractor hereunder, respectively. 

(b) With respect to identifying which employees and independent contractors of Danaher’s Fluke Network’s business who are not fully
dedicated to the Communications Business should be treated as a Newco Employee or Newco Independent Contractor, respectively, (the “Potential Transferees”), the Parties agree to establish a human resources integration team
(“Integration Team”) not later than one (1) month following the date of this Agreement consisting from time to time of eight (8) individuals (or such other number as agreed by the Parties), one-half of whom are employees
of Danaher as designated by the vice president of human resources of Danaher and one half of whom are employees of NetScout as designated by the vice president of human resources of NetScout or other designee as determined by NetScout. Such
integration team shall work in good faith to identify and resolve any dispute regarding whether a Potential Transferee should be designated as a Newco Employee or Newco Independent Contractor (a “Designated Person”) or as a Danaher
employee not designated as a Newco Employee or Newco Independent Contractor (a “Non-Designated Person”), with a goal of providing the Newco Group with sufficient operational and management employees and service providers to operate
and manage the Communications Business on a reasonable basis in the opinion of Danaher based upon its experience of operating the Communications Business. To the extent such human resources integration team is unable to agree on the identity of
Newco Employees and/or Newco Independent Contractors not later than two (2) months prior to the contemplated Separation Time, the respective chief human resources officers of Danaher and NetScout shall act in good faith to resolve such
disagreement not later than the Closing Date. If such disagreement cannot be resolved in good faith, then the vice president of human resources of Danaher shall make the final determination. Notwithstanding the foregoing provisions of this
Section 2.10 or the definition of “Newco Employee” or “Newco Independent Contractor” to the contrary, the identification of Newco Employees and Newco Independent Contractors shall be made subject to and in accordance
with the provisions of any applicable collective bargaining obligation and Collective Bargaining Agreement and otherwise in accordance with applicable Law. Additionally, to the extent any member of the Newco Group desires to adopt or maintain a
Newco Benefit Arrangement on behalf of Newco Employees prior to the Effective Time, the 

  
 16 

 
terms and conditions of any such Newco Benefit Arrangement must be approved and authorized by the Integration Team. If the Integration team is unable to agree on the establishment or terms and
conditions of a Newco Benefit Arrangement, the respective chief human resources officers of Danaher and NetScout shall act in good faith to resolve such disagreement as soon as practicable. 

Section 2.11 Information and Consultation. 

(a) Following entry into this Agreement, Danaher shall and shall cause its Subsidiaries and each member of the Newco Group that is to employ
any Newco Employee to comply with all requirements and obligations to inform, consult or otherwise notify any Newco Employees or Employee Representatives in relation to the Separation, Distribution, Mergers and any other consequence of the
transactions contemplated by Distribution Agreement and the Merger Agreement, whether required pursuant to any Collective Bargaining Agreement, the Transfer Regulations or other applicable Law. 

(b) NetScout shall and shall cause its Subsidiaries and Merger Sub to comply with all requirements and obligations to inform, consult or
otherwise notify any NetScout Group employees or any representatives of them in relation to the Merger and any other consequence of the transactions contemplated by this Agreement and the Merger Agreement whether required pursuant to any collective
bargaining agreement applicable to NetScout employees, the Transfer Regulations or other applicable Law. 
 Section 2.12 Certain
Requirements. Notwithstanding anything in this Agreement to the contrary, if the terms of a Collective Bargaining Agreement or applicable Law require that any assets or Liabilities be retained by the Danaher Group or transferred to or
assumed by the Newco Group or NetScout in a manner that is different from that set forth in this Agreement, such retention, transfer or assumption shall be made in accordance with the terms of such Collective Bargaining Agreement or applicable Law
and shall not be made as otherwise set forth in this Agreement. 
 Section 2.13 Sharing of Information. On and after the
date hereof and in each case to the extent permitted by applicable Law, Danaher shall, and shall cause each member of the Danaher Group to use reasonable efforts to (i) share any materials and documents with Newco and NetScout that are
reasonably determined to be necessary to permit Newco and NetScout to effectuate the provisions of this Agreement and (ii) make available any Newco Employees to Newco and NetScout for purposes of making any communications to such Newco
Employees relating to the provisions of this Agreement; provided that Danaher shall be permitted to have a representative present at any meeting between Newco or NetScout and a Newco Employee that occurs prior to the Effective Time. 

ARTICLE III 
 DEFINED
BENEFIT PLANS 
 Section 3.1 U.S. Retirement Plan Participation. Danaher shall retain all assets and Liabilities
relating to the Danaher U.S. Retirement Plan, including Liabilities in respect of 

  
 17 

 
pension benefits accrued thereunder by Newco Employees through the Effective Time. No assets or Liabilities of a Danaher U.S. Retirement Plan shall be transferred to a retirement plan maintained
by Newco, NetScout or any of their respective Affiliates following the Effective Time. No Newco Employee will accrue benefits under the Danaher U.S. Retirement Plan after the Effective Time. 

Section 3.2 Non-U.S. Retirement Plan Participation. 

(a) Subject to any Collective Bargaining Agreement and applicable Law, effective as of the Effective Time, the participation of each Newco
Employee who is a participant in a Danaher Non-U.S. Retirement Plan shall automatically cease and no Newco Employee shall thereafter accrue any benefits under any such Danaher Non-U.S. Retirement Plan. 

(b) To the extent required by applicable Law, NetScout shall, or shall cause a member of the NetScout Group to, use its reasonable efforts to
establish or maintain one or more defined benefit retirement plans (such defined benefit plan or plans, the “NetScout Non-U.S. Retirement Plans”) in which each Newco Employee who participated in a Danaher Non-U.S. Retirement Plan
immediately prior to the Separation Time will be eligible to participate as soon as practicable following the Effective Time, with terms substantially similar to the terms of the applicable Danaher Non-U.S. Retirement Plan as in effect immediately
prior to the Separation Time. To the extent required by Law, Danaher shall cause the Danaher Non-U.S. Retirement Plans to transfer (and NetScout shall cause the NetScout Non-U.S. Retirement Plans to accept a transfer of) Liabilities in respect of
the obligations to or otherwise in respect of Newco Employees under the Danaher Non-U.S. Retirement Plans and Danaher shall cause the Danaher Non-U.S. Retirement Plans to transfer (and NetScout shall cause the NetScout Non-U.S. Retirement Plans to
accept a transfer of) assets in an amount equal to the Liabilities so transferred (such transfers, the “Pension Transfers”). In the event that a Danaher Non-U.S. Retirement Plan is unable to transfer assets in an amount equal to the
Liabilities transferred in connection with the Pension Transfers, Danaher shall transfer to NetScout an amount of cash equal to the difference between the Liabilities transferred under the Pension Transfers and the assets transferred under the
Pension Transfers. The Pension Transfers shall be effected in accordance with applicable Law and local custom and practice; provided that if the mechanism for transfer of such assets and Liabilities is not mandated by applicable Law, then the assets
and Liabilities relating to Newco Employees in respect of any applicable Danaher Non-U.S. Retirement Plan in such jurisdiction will be transferred on a projected benefit obligation basis as determined in accordance with U.S. Generally Accepted
Accounting Principles and based on the applicable discount rates used in the most recent financial statements relating to the applicable Danaher Non-U.S. Retirement Plan (updated as of the Effective Time). Danaher shall use commercially reasonable
efforts to provide that all assets transferred in accordance with this subsection (b) shall be transferred in the form of cash, insurance contracts or marketable securities unless otherwise required by applicable Law. NetScout shall be
responsible for any and all Liabilities (including Liability for funding) and other obligations with respect to the NetScout Non-U.S. Retirement Plans. 

(c) To the extent required by applicable Law, and subject to any Collective Bargaining Agreement, effective as of the Effective Time, NetScout
or NetScout Group member 

  
 18 

 
shall assume sponsorship of, and shall retain or assume all assets and benefit Liabilities relating to, any Danaher Non-U.S. Retirement Plan in which all participants immediately prior to the
Effective Time are Newco Employees or Newco Benefit Arrangement that is a defined benefit retirement plan. If the assets held by any Danaher Non-U.S. Retirement Plan or Newco Benefit Arrangement assumed or retained under this
Section 3.2(c) are less than the Liabilities accrued under such Danaher Non-U.S. Retirement Plan or Newco Benefit Arrangement (determined on a projected benefit obligation basis), Danaher shall transfer to NetScout an amount of cash
equal to the difference between the assets held by such Danaher Non-U.S. Retirement Plan or Newco Benefit Arrangement and such Liabilities. Danaher shall indemnify, defend and hold harmless the NetScout Indemnitees and the Newco Indemnitees for any
Losses or Liabilities (other than Liabilities for benefit payments) related to or arising under any Danaher Non-U.S. Retirement Plan or Newco Benefit Arrangement assumed or retained under this Section 3.2(c) which are related to any act
or omission or operation of such Danaher Non-U.S. Retirement Plan or Newco Benefit Arrangement occurring prior to the Effective Time. 
 (d)
Except as specifically provided in this Section 3.2, no member of the NetScout Group shall have any Liability with respect to any Danaher Non-U.S. Retirement Plan or other Danaher Benefit Arrangement that is a defined benefit retirement
plan (including for the avoidance of doubt any “Section 75” debt arising from any Danaher Benefit Arrangement that is a United Kingdom retirement plan). 

ARTICLE IV 
 DEFINED
CONTRIBUTION PLANS 
 Section 4.1 U.S. Savings Plan Participation. 

(a) Effective as of the Effective Time, (i) the participation of each Newco Employee who is a participant in a Danaher U.S. Savings Plan
shall automatically cease and (ii) Danaher shall cause each such Newco Employee to become fully vested in such Newco Employee’s account balances under such Danaher U.S. Savings Plan. 

(b) Effective no later than the Effective Time, NetScout shall, or shall cause a member of the NetScout Group to, use its reasonable effort to
establish or maintain one or more defined contribution savings plans and related trusts that satisfy the requirements of Sections 401(a) and 401(k) of the Code (such defined contribution savings plan or plans, the “NetScout U.S. Savings
Plans”) in which each Newco Employee who participated in a Danaher U.S. Savings Plan immediately prior to the Separation Time will be eligible to participate as of the Effective Time, with terms that are fully equivalent to those provided
by NetScout to similarly situated employees of NetScout as of the Effective Time. 
 (c) NetScout shall use reasonable efforts, or shall
cause a member of the NetScout Group to use reasonable efforts, to take all necessary actions to cause the applicable NetScout U.S. Savings Plan in which a Newco Employee is eligible to participate to permit each such Newco Employee to make rollover
contributions of “eligible rollover distributions” (within the meaning of Section 401(a)(31) of the Code and inclusive of any loans), in the form of cash, notes or shares of Danaher Common Stock, as applicable, in an amount equal to
the full account balance distributed to such Newco Employee from the Danaher U.S. Savings Plan to the applicable NetScout U.S. Savings Plan. 

  
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 (d) NetScout shall cause the NetScout U.S. Savings Plan to provide that all shares of Danaher
Common Stock transferred into the NetScout U.S. Savings Plan in connection with Section 4.1(c) shall, to the extent still held under the NetScout U.S. Savings Plan, be maintained under the NetScout U.S. Savings Plan in compliance with
all requirements of ERISA and applicable Laws; provided that NetScout shall not be required to permit the investment of contributions made after the Closing Date into Danaher Common Stock, but will be required to permit Newco Employees who
participate in the NetScout U.S. Savings Plan to continue to hold shares of Danaher Common Stock transferred into the NetScout U.S. Savings Plan in connection with Section 4.1(c) through a self-directed brokerage account under the
NetScout U.S. Savings Plan. 
 Section 4.2 Non-U.S. Savings Plan Participation. 

(a) Subject to any Collective Bargaining Agreement and applicable Law, effective as of the Effective Time, the participation of each Newco
Employee who is a participant in a Danaher Non-U.S. Savings Plan shall automatically cease and no Newco Employee shall thereafter accrue any benefits under any such Danaher Non-U.S. Savings Plan. 

(b) To the extent required by applicable Law, NetScout shall, or shall cause a member of the NetScout Group to, establish or maintain one or
more plans in which each Newco Employee who participated in a Danaher Non-U.S. Savings Plan immediately prior to the Separation Time will be eligible to participate as of the Effective Time, with terms (excluding employer contributions) no less
favorable than the terms of the applicable Danaher Non-U.S. Savings Plan as in effect immediately prior to the Separation Time (such plan or plans, the “NetScout Non-U.S. Savings Plans”). To the extent required by Law, Danaher shall
cause the Danaher Non-U.S. Savings Plans to transfer (and NetScout shall cause the NetScout Non-U.S. Savings Plans to accept a transfer of) Liabilities in respect of the obligations to or otherwise in respect of Newco Employees under the Danaher
Non-U.S. Savings Plans and Danaher shall cause the Danaher Non-U.S. Savings Plans to transfer (and NetScout shall cause the NetScout Non-U.S. Savings Plans to accept a transfer of) assets in an amount equal to the Liabilities so transferred (such
transfers, the “Savings Transfers”). In the event that a Danaher Non-U.S. Savings Plan is unable to transfer assets in an amount equal to the Liabilities transferred in connection with the Savings Transfers, Danaher shall transfer
to NetScout an amount of cash equal to the difference between the Liabilities transferred under the Savings Transfers and the assets transferred under the Savings Transfers. Except as otherwise agreed by the Parties after the date hereof, such
transfer shall be effected in accordance with applicable Law and local custom and practice. NetScout shall be responsible for any and all Liabilities (including Liability for funding) and other obligations with respect to the NetScout Non-U.S.
Savings Plans. 
 (c) To the extent required by applicable Law, and subject to any Collective Bargaining Agreement, effective as of the
Effective Time, NetScout shall assume sponsorship of, and shall retain or assume all assets and benefit Liabilities relating to any Danaher Non-U.S. Savings Plan in which all participants immediately prior to the Effective Time are Newco Employees
or Newco Benefit Arrangement that is a defined contribution plan. Danaher shall 

  
 20 

 
indemnify, defend and hold harmless the NetScout Indemnitees and the Newco Indemnitees for any Losses or Liabilities (other than Liabilities for benefit payments) related to or arising under any
Danaher Non-U.S. Savings Plan or Newco Benefit Arrangement assumed or retained under this Section 4.2(c) which are related to any act or omission or operation of such Danaher Non-U.S. Savings Plan or Newco Benefit Arrangement occurring
prior to the Effective Time. 
 (d) Except as specifically provided in this Section 4.2, no member of the NetScout Group shall
have any Liability with respect to any Danaher Non-U.S. Savings Plan or other Danaher Benefit Arrangement that is a retirement plan. 

ARTICLE V 
 HEALTH AND
WELFARE PLANS 
 Section 5.1 Health and Welfare Plan Participation. Subject and in addition to the Newco Group’s
obligations in relation to employees who transfer to Newco Group at the Separation Time pursuant to the Transfer Regulations, effective no later than the Effective Time, NetScout shall or shall cause a member of the NetScout Group to use reasonable
efforts to establish or maintain health and welfare plans (which term shall be limited to medical, dental, vision, disability and life insurance coverage) for the benefit of each Newco Employee with terms that are fully equivalent to those provided
by NetScout to similarly situated employees of NetScout in the applicable jurisdiction as of the Effective Time (which for U.S. Newco Employees shall be determined by reference to the benefits as described in the NetScout 2014 Summary of Benefits as
may be amended for all NetScout U.S. employees). 
 Section 5.2 Certain Liabilities. 

(a) With respect to employee welfare and fringe benefits, (i) Danaher shall fully perform, pay and discharge, under the Danaher Welfare
Plans, all claims of Newco Employees that are incurred but not paid prior to the Effective Time and (ii) NetScout shall fully perform, pay and discharge, under the NetScout Welfare Plans, from and after the Effective Time, all claims of Newco
Employees that are incurred from and after the Effective Time under the applicable Newco Benefit Arrangement. 
 (b) For purposes of this
Section 5.2, a claim or Liability is deemed to be incurred (i) with respect to medical, dental, vision and/or prescription drug benefits, upon the rendering of health services giving rise to such claim or Liability, (ii) with
respect to life insurance, accidental death and dismemberment and business travel accident insurance, upon the occurrence of the event giving rise to such claim or Liability and (iii) with respect to disability benefits, upon the date of an
individual’s disability, as determined by the disability benefit insurance carrier or claim administrator, giving rise to such claim or Liability. 

Section 5.3 Time-Off Benefits. Unless otherwise required in a Collective Bargaining Agreement or by applicable Laws,
(i) Newco shall credit each Newco Employee as of the Separation Time with the amount of accrued but unused vacation time, paid time off and other time-off benefits as such Newco Employee had with Danaher Group as of immediately before the
Separation Time, (ii) NetScout shall cause each Newco Employee to be eligible to use on or 

  
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before December 31 of the year following the Effective Time any accrued but unused vacation time, paid time off and other time-off benefits as such Newco Employee had with Danaher as of
immediately before the Effective Time to the extent in excess of the amount that would have been available to the Newco Employee had the Newco Employee’s service with Newco been treated as service with NetScout, (iii) NetScout may cause
each Newco Employee to forfeit any excess amount not used in accordance with the foregoing clause (ii), and (iv) as of the Effective Time, each Newco Employee shall be subject to NetScout’s vacation policy (pro-rated as of the Effective
Time) for the year in which the Closing occurs; provided, however, that NetScout shall provide Newco Employees with credit for employment service with Danaher for purposes of determining each Newco Employee’s eligibility for and future accruals
of vacation days under the NetScout vacation policy. Time-off benefits for Newco Employees will be fully equivalent to those provided by NetScout to similarly situated employees of NetScout in the applicable jurisdiction as of the date hereof (which
for U.S. Newco Employees shall be determined by reference to the benefits as described in the NetScout 2014 Summary of Benefits as may be amended for all NetScout U.S. employees). 

ARTICLE VI 
 EXECUTIVE
BENEFIT PLANS 
 Section 6.1 Non-Qualified Deferred Compensation Plans. Effective as of the Effective Time, the active
participation of each Newco Employee who is a Participant in a Danaher NQDC Plan shall cease. NetScout shall have no obligation to establish and maintain a NQDC Plan for the benefit of Newco Employees and Danaher shall retain all assets and
Liabilities in respect of the Danaher NQDC Plan. 
 ARTICLE VII 

TREATMENT OF DANAHER EQUITY AWARDS 

Section 7.1 Retained Danaher Equity Awards. 

(a) Treatment of Vested Danaher Options. Each Danaher Option that is vested and exercisable as of immediately before the
Effective Time shall remain exercisable for a period of ninety (90) days commencing on the day immediately following the Closing Date, or, in the case of a Danaher Option held by a Delayed Transfer Newco Employee, for ninety (90) days
after the date such individual becomes a Newco Employee, provided that in no event shall any such Danaher Option remain exercisable after the expiration of its term. Any such Danaher Option that remains unexercised as of the end of such ninety
(90) day period shall terminate and be forfeited without the payment of any consideration to the holder thereof. 
 (b) Treatment
of Unvested Danaher Options Scheduled to Vest Prior to August 4, 2015. If the Closing Date occurs before August 4, 2015, each Danaher Option that is scheduled to vest in accordance with its terms on or after the Closing Date but on
or before August 4, 2015, shall continue to vest in accordance with its terms and shall remain exercisable for a period of ninety (90) days commencing on the day immediately following the vesting date of such Danaher Option, or, in the
case of a Danaher Option held by a Delayed Transfer Newco 

  
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Employee, ninety (90) days after such individual becomes a Newco Employee, provided that in no event shall any such Danaher Option remain exercisable after the expiration of its term. Any
such Danaher Option that remains unexercised as of the end of such ninety (90) day period shall terminate and be forfeited without the payment of any consideration to the holder thereof. 

(c) Treatment of Unvested Danaher Restricted Stock Units Scheduled to Vest Prior to August 4, 2015. If the Closing Date
occurs before August 4, 2015, each Danaher Restricted Stock Unit that is scheduled to vest in accordance with its terms on or after the Closing Date but on or before August 4, 2015, shall continue to vest and shall be settled in accordance
with its terms. 
 (d) Tax and Regulatory Compliance for Retained Danaher Equity Awards. To the extent any member of the Newco
Group is subject to Tax withholding, reporting, remitting or payment obligations or any regulatory filing obligation in connection with the Retained Danaher Equity Awards, the Parties agree to cooperate to ensure that such obligations are met and
that any Employment Taxes payable by any member of the Newco Group in connection with such Retained Danaher Equity Award shall be paid by Danaher. 

Section 7.2 Cancelled Danaher Equity Awards. Each (i) Danaher Option that is unvested as of immediately before the
Effective Time, or, in the case of a Danaher Option held by a Delayed Transfer Newco Employee that is unvested as of the date such individual becomes a Newco Employee, (other than with respect to any such Danaher Option that is subject to
Section 7.1(b) hereof) (together, the “Cancelled Danaher Options”) and (ii) Danaher Restricted Stock Unit that is unvested as of immediately before the Effective Time, or in the case of a Danaher Restricted Stock
Unit held by a Delayed Transfer Newco Employee that is unvested as of the date such individual becomes a Newco Employee (other than with respect to any such Danaher Option that is subject to Section 7.1(c) hereof) (together, the
“Cancelled Danaher Restricted Stock Units” and together with the Cancelled Danaher Options, the “Cancelled Danaher Equity Awards”) shall, effective as of immediately before the Effective Time or as of the date a
Delayed Transfer Newco Employee becomes a Newco Employee, as applicable, be cancelled by Danaher without the payment by Danaher of any consideration to the holder thereof. 

Section 7.3 NetScout Retention Awards. NetScout will, as soon as practicable following the Closing Date, and in any event
within thirty (30) days after the Closing Date, or, in the case of a Delayed Transfer Newco Employee who becomes a Newco Employee after the Closing Date, within thirty (30) days after such individual becomes a Newco Employee, provide the
following to each Newco Employee who is a holder of a Cancelled Danaher Equity Award: 
 (a) A cash retention award with a value equal to
one-half of such Newco Employee’s Cancelled Danaher Equity Award Value, payable on the later of (i) the first anniversary of the Closing Date and (ii) August 4, 2016, in each case subject to the Newco Employee’s continued
employment with Newco, NetScout or a member of the NetScout Group through the applicable date and payable no later than ten (10) Business Days thereafter. Danaher shall, within twenty (20) Business Days following the date on which NetScout
provides it with written evidence of the making of such cash retention payments, pay to NetScout or the applicable member of the NetScout Group an amount equal to (i) the sum of such cash retention

  
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payments and any Employment Taxes payable by NetScout or the applicable member of the NetScout Group in connection therewith, less (ii) the value of any item of loss, deduction or credit or
any other item which decreases Taxes paid or payable or increases Tax basis realizable by NetScout and any member of the NetScout Group as a result of the payment of the such cash retention payments and any related Employment Taxes (the “Tax
Benefit Amount”). The amount of such Employment Taxes and the Tax Benefit Amount shall be reasonably determined in good faith by NetScout in consultation with Danaher; and 

(b) A number of NetScout Restricted Stock Units (rounded up to the nearest whole share) equal to the quotient of (i) no less than
one-half of such Newco Employee’s Cancelled Danaher Equity Award Value and (ii) the NetScout Closing Trading Price; provided, however, that notwithstanding the above, the maximum aggregate value of the NetScout Restricted Stock Units that
will be awarded under this Section 7.3(b) will not exceed $15 million (“RSU Cap”), where the “value” of a NetScout Restricted Stock Unit for this purpose is equal to the NetScout Closing Trading Price. The
NetScout Restricted Stock Units granted in accordance with this Section 7.3(b) shall be subject to the terms and conditions of the applicable stock plan maintained by NetScout pursuant to which they are granted and an award agreement
provided by NetScout thereunder. If the RSU Cap applies, the reduction to the number of NetScout Restricted Stock Units awarded with respect to each Cancelled Danaher Equity Award will occur on a pro rata basis. 

Section 7.4 Necessary Actions. The Parties shall, as soon as practicable after the date hereof and in no event later than
the Business Day prior to the Closing Date, take all actions as may be necessary to implement the provisions of this Section 7, including adopting any necessary resolutions and making any required plan amendments and award modifications and
obtaining any required consents from Newco Employees. 
 Section 7.5 Adjustments. Each Danaher Option and Danaher
Restricted Stock Unit shall at all times remain subject to adjustment in accordance with the terms and conditions of the applicable Danaher Stock Plan and award agreement. 

Section 7.6 SEC Registration. All shares of common stock of NetScout to be issued in respect of the NetScout Restricted
Stock Units shall be subject to an effective registration statement on Form S-8 (or another appropriate form) maintained by NetScout. NetScout shall use reasonable best efforts to keep such registration statement effective (and maintain the current
status of the prospectus required thereby) for so long as any such NetScout Restricted Stock Units remain outstanding. 

Section 7.7 Compliance. In the event that the treatment specified in this Section 7 hereof does not comply with
applicable Law or results in adverse Tax consequences to the Parties or any Newco Employees (or if it would be onerous, as determined by NetScout, to comply with applicable Law in order to provide such treatment), the Parties agree to negotiate in
good faith alternative treatment that complies with applicable Law and does not result in adverse Tax consequences to the Parties or any Newco Employees. 

  
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 ARTICLE VIII 

ADDITIONAL COMPENSATION MATTERS 

Section 8.1 Workers’ Compensation Liabilities. Effective as of the Effective Time, NetScout shall assume all
Liabilities (other than any Liabilities related to medical or other similar services performed, or compensation in respect of lost work for periods, prior to the Effective Time) for Newco Employees related to any and all workers’ compensation
claims and coverage, whether arising under any law of any state, territory, or possession of the U.S. or the District of Columbia, and arising at or after the Effective Time, and NetScout shall be fully responsible for the administration of all such
claims. If NetScout is unable to assume any such Liability or the administration of any such claim because of the operation of applicable state law or for any other reason, Danaher shall retain such Liabilities and NetScout shall reimburse and
otherwise fully indemnify Danaher for all such Liabilities, including the costs of administering the plans, programs or arrangements under which any such Liabilities have accrued or otherwise arisen. Danaher shall retain all Liabilities for
workers’ compensation claims to the extent arising prior to the Effective Time. 
 Section 8.2 Code Sections
162(m)/409A. Notwithstanding anything in this Agreement to the contrary, the Parties agree to negotiate in good faith regarding the need for any treatment different from that otherwise provided herein with respect to the payment of
compensation to ensure that (i) a federal income Tax deduction for the payment of such compensation is not limited by reason of Section 162(m) of the Code, and (ii) the treatment of such compensation does not cause the imposition of a
Tax under Section 409A of the Code. In no event, however, will any Party be liable to another in respect of any Taxes imposed under, or any other costs or Liabilities relating to, Section 409A of the Code or the denial of any Tax deduction
by reason of Section 162(m) of the Code. 
 Section 8.3 Certain Payroll and Bonus Matters. 

(a) Post-Distribution Payroll for Pre-Distribution Service. In the case of each Newco Employee, the employer of such individual as of
immediately before the Closing Date shall be responsible for paying (and the W-2 and other payroll reporting obligations for) the payroll amount due to such individual for the payroll period (or portion thereof) ending on the Closing Date, unless
otherwise agreed to by Danaher and NetScout. 
 (b) Annual Bonus Programs. As soon as practicable following the Effective Time,
Danaher shall for each Newco Employee either (i) pay to NetScout or Newco who shall apply for the benefit of the relevant Newco Employee; or (ii) reimburse NetScout or Newco, in either case an amount equal to (A) for the fiscal year
ending immediately prior to the Effective Time, any accrued but unpaid bonus for an Newco Employee and (B) for the fiscal year in which the Effective Time occurs, the product of (1) the annual cash incentive bonus (if any) the Newco
Employee could have earned for the year during which the Effective Time occurs based on projected actual performance for the full year as determined by Danaher in good faith as of the Effective Time and (2) a fraction, the numerator of which is
the number of days elapsed in the applicable bonus period through the Effective Time and the denominator of which is 365. 

  
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 Section 8.4 Danaher Retention Plan. Danaher may, in its sole discretion,
implement and adopt a cash retention plan for certain Newco Employees as set forth on Annex A hereto. 
 Section 8.5 Employee
Stock Purchase Plan. Each Newco Employee (other than any Newco Employees outside of the United States or who are otherwise ineligible to participate under the applicable terms) will be immediately eligible to participate in the NetScout
Systems, Inc. Amended and Restated 2011 Employee Stock Purchase Plan or a successor plan (the “ESPP”) on the same basis as similarly situated NetScout employees as of the first offering date thereunder on or after the Closing Date.

 ARTICLE IX 

INDEMNIFICATION 

Section 9.1 Indemnification by the Parties. Except as otherwise specifically set forth in any provision of this Agreement
(including Section 2.1(c)), (i) Danaher shall indemnify, defend and hold harmless the NetScout Indemnitees and Newco Indemnitees from and against, and shall reimburse such Indemnitees with respect to, any and all Losses that result
from, relate to or arise, whether prior to or following the Distribution, any breach by any member of the Danaher Group of any provision of this Agreement and (ii) NetScout and Newco shall, on a joint and several basis, indemnify, defend and
hold harmless the Danaher Indemnitees from and against, and shall reimburse such Danaher Indemnitees with respect to, any and all Losses that proximately result from, relate to or arise, whether prior to, at or following the Separation Time, any
breach by any member of the NetScout Group or Newco Group of any provision of this Agreement. 
 Section 9.2 Procedures for
Indemnification. 
 (a) An Indemnitee shall give the Indemnifying Party notice of any matter that an Indemnitee has determined has
given or would reasonably be expected to give rise to a right of indemnification under this Agreement (other than a Third-Party Claim which shall be governed by Section 9.2(b)), within twenty (20) Business Days of such
determination, stating the amount of the Loss claimed, if known, and method of computation thereof, and containing a reference to the provisions of this Agreement in respect of which such right of indemnification is claimed by such Indemnitee or
arises; provided, that the failure to provide such notice shall not release the Indemnifying Party from any of its obligations except and solely to the extent the Indemnifying Party shall have been materially prejudiced as a result of such
failure. 
 (b) If a claim or demand is made against an Indemnitee by any Person who is not a party to this Agreement or an Affiliate of a
Party (a “Third-Party Claim”) as to which such Indemnitee is or reasonably expects to be entitled to indemnification pursuant to this Agreement, such Indemnitee shall notify the Party that is or may be required pursuant to this
Article IX to make such indemnification (the “Indemnifying Party”) in writing, and in reasonable detail, of the Third-Party Claim promptly (and in any event within thirty (30) calendar days) after receipt by such
Indemnitee of written notice of the Third-Party Claim; provided, that the failure to provide notice of any such Third-Party Claim pursuant to this sentence shall not release the Indemnifying Party from any of its obligations except and solely
to the extent the Indemnifying Party shall 

  
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have been materially prejudiced as a result of such failure (except that the Indemnifying Party or Parties shall not be liable for any expenses incurred by the Indemnitee in defending such
Third-Party Claim during the period in which the Indemnitee failed to give such notice). Thereafter, the Indemnitee shall deliver to the Indemnifying Party, promptly (and in any event within ten (10) Business Days) after the Indemnitee’s
receipt thereof, copies of all notices and documents (including court papers) received by the Indemnitee relating to the Third-Party Claim. 

(c) An Indemnifying Party shall be entitled (but shall not be required) to assume, control the defense of, and settle any Third-Party Claim,
at such Indemnifying Party’s own cost and expense and by such Indemnifying Party’s own counsel, which counsel must be reasonably acceptable to the applicable Indemnitees, if it gives written notice of its intention to do so and agreement
that the Indemnitee is entitled to indemnification under this Article IX to the applicable Indemnitees within thirty (30) calendar days of the receipt of notice from such Indemnitees of the Third-Party Claim. After such notice from an
Indemnifying Party to an Indemnitee of its election to assume the defense of a Third-Party Claim, such Indemnitee shall have the right to employ separate counsel and to participate in (but not control) the defense, compromise or settlement thereof,
at its own expense and, in any event, shall reasonably cooperate with the Indemnifying Party in such defense and make available to the Indemnifying Party all witnesses, pertinent and material Information and materials in such Indemnitee’s
possession or under such Indemnitee’s control relating thereto as are reasonably required by the Indemnifying Party; provided, that such access shall not require the Indemnitee to disclose any information the disclosure of which would,
in the reasonable judgment of the Indemnitee, result in the loss of any existing attorney-client privilege with respect to such information or violate any applicable Law. 

(d) Notwithstanding anything to the contrary in this Section 9.2, in the event that (i) an Indemnifying Party elects not to
assume responsibility for defending a Third-Party Claim, (ii) there exists a conflict of interest or potential conflict of interest between the Indemnifying Party and the applicable Indemnitee(s), (iii) any Third-Party Claim seeks an
order, injunction or other equitable relief or relief for other than money damages against the Indemnitee, (iv) the Indemnifying Party shall not have employed counsel to represent the Indemnitee within thirty (30) calendar days after
notice from the Indemnitee of such Third-Party Claim or (v) the party making such Third-Party Claim is a Governmental Authority with regulatory authority over the Indemnitee or any of its material assets, such Indemnitee(s) shall be entitled to
assume the defense of such Third-Party Claim, at the Indemnifying Party’s expense, with counsel of such Indemnitee’s choosing. If the Indemnitee is conducting the defense against any such Third-Party Claim, the Indemnifying Party shall
reasonably cooperate with the Indemnitee in such defense and make available to the Indemnitee all witnesses, pertinent and material Information and materials in such Indemnifying Party’s possession or under such Indemnifying Party’s
control relating thereto as are reasonably required by the Indemnitee pursuant to a joint defense agreement to be entered into by Indemnitee and the Indemnifying Party; provided, that such access shall not require the Indemnifying Party to
disclose any information the disclosure of which would, in the reasonable judgment of the Indemnifying Party, result in the loss of any existing attorney-client privilege with respect to such information or violate any applicable Law. 

  
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 (e) No Indemnitee may settle or compromise any Third-Party Claim without the consent of the
Indemnifying Party, which consent shall not be unreasonably withheld, conditioned or delayed. If an Indemnifying Party has failed to assume the defense of the Third-Party Claim, it shall not be a defense to any obligation to pay any amount in
respect of such Third-Party Claim that the Indemnifying Party was not consulted in the defense thereof, that such Indemnifying Party’s views or opinions as to the conduct of such defense were not accepted or adopted, that such Indemnifying
Party does not approve of the quality or manner of the defense thereof or that such Third-Party Claim was incurred by reason of a settlement rather than by a judgment or other determination of liability. 

(f) In the case of a Third-Party Claim, no Indemnifying Party shall consent to entry of any judgment or enter into any settlement of the
Third-Party Claim without the consent (not to be unreasonably withheld, conditioned or delayed) of the Indemnitee if the effect thereof is to permit any injunction, declaratory judgment, other order or other non-monetary relief to be entered,
directly or indirectly, against any Indemnitee, does not release the Indemnitee from all liabilities and obligations with respect to such Third-Party Claim or includes an admission of guilt or liability on behalf of the Indemnitee. 

(g) Except as otherwise provided in Section 11.3, the indemnification provisions of this Article IX shall be the sole and
exclusive remedy of an Indemnitee for any monetary or compensatory damages or Losses resulting from any breach of this Agreement, and each Indemnitee expressly waives and relinquishes any and all rights, claims or remedies such Person may have with
respect to the foregoing other than under this Article IX against any Indemnifying Party. 
 Section 9.3 Indemnification
Obligations Net of Proceeds Received from Third Parties. 
 (a) Any Liability subject to indemnification or contribution pursuant to
this Article IX will be net of any proceeds received by the Indemnitee from any third party (net of any deductible or retention amount or any other third party costs or expenses incurred by the Indemnifying Party in obtaining such recovery,
including any increased insurance premiums) for indemnification for such Liability that actually reduce the amount of the Liability (“Third-Party Proceeds”). Accordingly, the amount which any Indemnifying Party is required to pay
pursuant to this Article IX to any Indemnitee pursuant to this Article IX will be reduced by Third-Party Proceeds theretofore actually recovered by or on behalf of the Indemnitee in respect of the related Liability. If an Indemnitee
receives a payment required by this Agreement from an Indemnifying Party in respect of any Liability (an “Indemnity Payment”) and subsequently receives Third-Party Proceeds, then the Indemnitee will pay to the Indemnifying Party an
amount equal to the excess of the Indemnity Payment received over the amount of the Indemnity Payment that would have been due if the Third-Party Proceeds had been received, realized or recovered before the Indemnity Payment was made. 

(b) The Indemnitee shall use commercially reasonable efforts to seek to collect or recover any Third-Party Proceeds to which the Indemnitee is
entitled in connection with any Liability for which the Indemnitee seeks contribution or indemnification pursuant to this Article IX; provided, that the Indemnitee’s inability to collect or recover any such Third-Party Proceeds
shall not limit the Indemnifying Party’s obligations hereunder. 

  
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 Section 9.4 Certain Actions; Substitution; Subrogation. 

(a) Certain Actions. Notwithstanding anything to the contrary set forth in Section 9.2, Danaher may elect to have exclusive
authority and control over the investigation, prosecution, defense and appeal of any and all Actions pending at the Separation Time which otherwise would be subject to this Article IX and as to which a member of the Danaher Group (other than
Newco and the Newco Subs) is also named as a target or defendant thereunder; provided, however, that (i) Danaher and Newco shall investigate, prosecute, defend and/or appeal such Actions in good faith, (ii) Danaher shall
reasonably consult with Newco on a regular basis with respect to strategy and developments with respect to any such Action, (iii) Newco shall have the right to participate in (but not control) and employ separate counsel in connection with the
defense, compromise or settlement of such Action at its own cost and expense and (iv) Danaher must obtain the written consent of Newco, such consent not to be unreasonably withheld, conditioned or delayed, to settle or compromise or consent to
the entry of judgment with respect to such Action if such settlement, consent or judgment would require Newco (or any of its Affiliates) to admit any guilt or fault or incur any Liability, does not release such Party (or any of its Affiliates)
completely in connection with such Action, or imposes injunctive or other equitable relief against Newco (or any of its Affiliates). After any such compromise, settlement, consent to entry of judgment or entry of judgment, Danaher and Newco shall
agree upon a reasonable allocation to Newco of, and Newco shall be responsible for or receive, as the case may be, Newco’s proportionate share of any such compromise, settlement, consent or judgment attributable to Newco, including its
proportionate share of the reasonable costs and expenses associated with defending the same. 
 (b) Substitution. In the event of an
Action that involves solely matters that are indemnifiable and in which the Indemnifying Party is not a named defendant, if either the Indemnitee or the Indemnifying Party so requests, the Parties shall use commercially reasonable efforts to
substitute the Indemnifying Party for the named but not liable defendant to be removed from such Action and such defendants shall not be required to make any payments or contribution in connection therewith (regardless if such removal is successful
or not). If such substitution or addition cannot be achieved for any reason or is not requested, the rights and obligations of the Parties regarding indemnification and the management of the defense of claims as set forth in this Article IX
shall not be affected. 
 (c) Subrogation. In the event of payment by or on behalf of any Indemnifying Party to or on behalf of any
Indemnitee in connection with any Third-Party Claim, such Indemnifying Party shall be subrogated to and shall stand in the place of such Indemnitee, in whole or in part based upon and in proportion to the amount of the Indemnitee’s Liability
that the Indemnifying Party has paid, as to any events or circumstances in respect of which such Indemnitee may have any right, defense or claim relating to such Third-Party Claim against any claimant or plaintiff asserting such Third-Party Claim or
against any other Person. Such Indemnitee shall cooperate with such Indemnifying Party in a reasonable manner, and at the cost and expense of such Indemnifying Party, in prosecuting any subrogated right, defense or claim. 

  
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 Section 9.5 Payments. Indemnification required by this Article IX shall
be made by periodic payments of the amount thereof during the course of the investigation or defense, as and when bills are received or a Loss or Liability incurred. 

ARTICLE X 
 GENERAL AND
ADMINISTRATIVE 
 Section 10.1 Sharing of Information. To the extent permitted by applicable Law, Danaher, Newco and
NetScout shall provide to each other and their respective agents and vendors all Information (other than attorney-client privileged Information or attorney work product) as the other may reasonably request to enable the requesting Party to defend or
prosecute claims, administer efficiently and accurately each of its Benefit Arrangements (including in connection with audits or other proceedings maintained by any Governmental Authority), to timely and accurately comply with and report under
Section 14 of the Securities Exchange Act of 1934, as amended and the Code, to determine the scope of, as well as fulfill, its obligations under this Agreement, and otherwise to comply with provisions of applicable Law. Danaher shall comply
with all applicable data privacy Laws and requirements when collecting, processing, sharing and/or transferring information relating to an individual or which on its own or with other information may identify or be used to identify an individual.
Such Information shall, to the extent reasonably practicable, be provided in the format and at the times and places requested, but in no event shall the Party providing such Information be obligated to incur any out-of-pocket expenses not reimbursed
by the Party making such request or make such Information available outside of its normal business hours and premises. Any Information shared or exchanged pursuant to this Agreement shall be subject to the confidentiality requirements set forth in
Article VII of the Distribution Agreement; provided, that, notwithstanding anything in such Article VII and without otherwise limiting the provisions of such Article VII, each of the Parties shall comply with any
requirement of applicable Law in regard to the confidentiality of the Information (whether relating to employee records or otherwise) that is shared with another Party in accordance with this Section 10.1. The Parties also hereby agree
to enter into any business associate agreements that may be required for the sharing of any Information pursuant to this Agreement to comply with the requirements of HIPAA. The Parties shall use their best efforts to secure Consents from employees,
former employees and their respective dependents to the extent required by Law or otherwise to permit the Parties to share Information as contemplated in this Section 10.1. 

Section 10.2 Reasonable Efforts/Cooperation. (i) Each of the Parties shall use reasonable best efforts (subject to,
and in accordance with applicable Law) to take promptly, or cause to be taken promptly, all actions, and to do promptly, or cause to be done promptly, and to assist and cooperate with the other Parties in doing, all things reasonably necessary,
proper or advisable to consummate and make effective the transactions contemplated by and carry out the intent and purposes of this Agreement, including adopting plans or plan amendments and using reasonable best efforts to obtain satisfaction of
the conditions precedent to each Party’s obligations hereunder within its reasonable control and to perform all covenants and agreements herein applicable to such Party and (ii) none of the Parties will, without the prior written consent
of any other applicable Party, take any action which would reasonably be expected to prevent or materially impede, interfere with or delay the transactions contemplated by this Agreement. 

  
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Without limiting the generality of the foregoing, where the cooperation of third parties, such as insurers or trustees, would be necessary in order for a Party to completely fulfill its
obligations under this Agreement, such Party shall use reasonable best efforts to cause such third parties to provide such cooperation. Without limiting the foregoing provisions of this Section 10.2, each of the Parties shall cooperate
fully on any issue relating to the transactions contemplated by this Agreement for which the other Party seeks a determination letter or private letter ruling from the IRS, an advisory opinion from the Department of Labor or any other filing,
consent or approval with respect to or by a Governmental Authority. 
 Section 10.3 Employer Rights. Without limiting
Section 2.8 and except as otherwise expressly provided in this Agreement (including Section 2.2), nothing in this Agreement shall prohibit any Party or any of their respective Affiliates from amending, modifying or
terminating any of their respective Benefit Arrangements at any time within their sole discretion. 
 Section 10.4 Effect on
Employment. Without limiting Section 2.3 or Section 2.4, except as expressly provided in this Agreement, the mere occurrence of the Separation, Distribution or Mergers shall not cause any employee to be deemed to have
incurred a termination of employment which entitles such individual to the commencement of benefits under any of the Danaher Benefit Arrangements (provided that Newco Employees may become eligible for a distribution from the Danaher U.S. Savings
Plan, a Danaher Non-U.S. Savings Plan or the Danaher NQDC Plan, in each case in accordance with the terms of the applicable plan). 

Section 10.5 Consent of Third Parties. If any provision of this Agreement is dependent on the Consent of any third party
and such Consent is withheld, the Parties hereto shall use their reasonable best efforts to implement the applicable provisions of this Agreement to the fullest extent practicable. If any provision of this Agreement cannot be implemented due to the
failure of such third party to consent, the Parties hereto shall negotiate in good faith to implement the provision (as applicable) in a mutually satisfactory manner. 

Section 10.6 Access to Employees. On and after the Effective Time, Danaher, Newco and NetScout shall, and shall cause each
of their respective Affiliates to, use their reasonable efforts to make available to each other those of their employees who may reasonably be needed in order to defend or prosecute any legal or administrative Action (other than a legal action
between or among any of the Parties) to which any employee, director or Benefit Arrangement of the Danaher Group, Newco Group or NetScout Group is a party and which relates in any way to their respective employment or to their respective Benefit
Arrangements prior to the Effective Time. The Party to whom an employee is made available in accordance with this Section 10.6 shall pay or reimburse the other Party for all reasonable expenses which may be incurred by such employee in
connection therewith, including all reasonable travel, lodging, and meal expenses. 
 Section 10.7 Beneficiary
Designation/Release of Information/Right to Reimbursement. To the extent permitted by applicable Law and except as otherwise provided for in this Agreement, all beneficiary designations, authorizations for the release of Information and
rights to reimbursement made by or relating to Newco Employees under Danaher Benefit Arrangements shall be transferred to and be in full force and effect under the corresponding NetScout Benefit Arrangements until such beneficiary designations,
authorizations or rights are replaced or revoked by, or no longer apply, to the relevant Newco Employee. 

  
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 ARTICLE XI 

MISCELLANEOUS 

Section 11.1 Entire Agreement. This Agreement, the Confidentiality Agreement, the Merger Agreement, the Distribution
Agreement and the other Ancillary Agreements, including any related annexes, schedules and exhibits, as well as any other agreements and documents referred to herein and therein, shall together constitute the entire agreement between the Parties
with respect to the subject matter hereof and thereof and shall supersede all prior negotiations, agreements and understandings of the Parties of any nature, whether oral or written, with respect to such subject matter. 

Section 11.2 Governing Law. This Agreement shall be governed by and construed in accordance with the laws of the State of
Delaware, without giving effect to any choice or conflict of law provision or rule (whether of the State of Delaware or any other jurisdiction) that would cause the application of the laws of any jurisdiction other than the State of Delaware. 

Section 11.3 Specific Performance; Jurisdiction. The Parties understand and agree that the covenants and agreements on each
of their parts herein contained are uniquely related to the desire of the Parties and their respective Affiliates to consummate the Transactions, that the Transactions are a unique business opportunity at a unique time for each of Danaher, NetScout
and Newco and their respective Affiliates, and further agree that irreparable damage would occur in the event that any provision of this Agreement were not performed in accordance with its specific terms, and further agree that, although monetary
damages may be available for the breach of such covenants and agreements, monetary damages would be an inadequate remedy therefor. It is accordingly agreed that, in addition to any other remedy that may be available to it, including monetary
damages, each of the Parties (including NetScout for so long as the Merger Agreement has not been terminated in accordance with its terms) shall be entitled to an injunction or injunctions to prevent breaches of this Agreement and to enforce
specifically the terms and provisions of this Agreement exclusively in the Delaware Court of Chancery and any state appellate court therefrom within the State of Delaware (or, if the Delaware Court of Chancery declines to accept jurisdiction over a
particular matter, any state or federal court within the State of Delaware). Each of the Parties (including NetScout for so long as the Merger Agreement has not been terminated in accordance with its terms) further agrees that no Party shall be
required to obtain, furnish or post any bond or similar instrument in connection with or as a condition to obtaining any remedy referred to in this Section 11.3 and each Party waives any objection to the imposition of such relief or any
right it may have to require the obtaining, furnishing or posting of any such bond or similar instrument. In addition, each of the Parties (including NetScout for so long as the Merger Agreement has not been terminated in accordance with its terms)
irrevocably agrees that any legal action or proceeding with respect to this Agreement and the rights and obligations arising hereunder, or for recognition and enforcement of any judgment in respect of this Agreement and the rights and obligations
arising hereunder brought by any Party or its successors or assigns, shall be brought and determined exclusively in the Delaware Court of Chancery and any state appellate court therefrom within the State of Delaware (or, if the Delaware Court of
Chancery declines to accept jurisdiction over a particular matter, any state or federal court within the State of Delaware). Each of the Parties (including NetScout for so long as the Merger Agreement has not been terminated in accordance with its

  
 32 

 
terms) hereby irrevocably submits with regard to any such action or proceeding for itself and in respect of its property, generally and unconditionally, to the personal jurisdiction of the
aforesaid courts and agrees that it will not bring any action relating to this Agreement or any of the transactions contemplated by this Agreement in any court other than the aforesaid courts. Each of the Parties (including NetScout for so long as
the Merger Agreement has not been terminated in accordance with its terms) hereby irrevocably waives, and agrees not to assert, by way of motion, as a defense, counterclaim or otherwise, in any action or proceeding with respect to this Agreement,
(a) any claim that it is not personally subject to the jurisdiction of the above named courts for any reason other than the failure to serve in accordance with this Section 11.3, (b) any claim that it or its property is exempt
or immune from jurisdiction of any such court or from any legal process commenced in such courts (whether through service of notice, attachment prior to judgment, attachment in aid of execution of judgment, execution of judgment or otherwise) and
(c) to the fullest extent permitted by the applicable Law, any claim that (i) the suit, action or proceeding in such court is brought in an inconvenient forum, (ii) the venue of such suit, action or proceeding is improper or
(iii) this Agreement, or the subject matter hereof, may not be enforced in or by such courts. 
 Section 11.4 Waiver of Jury
Trial. EACH OF THE PARTIES IRREVOCABLY WAIVES ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY ACTION ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY. 

Section 11.5 Notices. All notices, requests, permissions, waivers and other communications hereunder shall be in writing
and shall be deemed to have been duly given (a) five (5) Business Days following sending by registered or certified mail, postage prepaid, (b) when sent, if sent by facsimile, provided, that the facsimile transmission is
promptly confirmed and any facsimile transmission received after 5:00 p.m. Eastern time shall be deemed received at 9:00 a.m. Eastern time on the following Business Day, (c) when delivered, if delivered personally to the intended recipient and
(d) one (1) Business Day following sending by overnight delivery via a national courier service and, in each case, addressed to a Party at the following address for such Party: 

 

			
	(a)    		If to NetScout or Newco:
		
			 NetScout Systems, Inc.
 310 Littleton
Road

			Westford, Massachusetts 01886
			 Attn: Anil K. Singhal, CEO

Email: Anil.Singhal@netscout.com
 Facsimile: (978)
614-4004

  
 33 

					
			with a copy to (which shall not constitute notice):
		
			Cooley LLP
			500 Boylston Street, 14th Floor
			Boston, MA 02116
			Attn:		Miguel J. Vega
					Barbara Borden
			Facsimile:		(617) 937-2400
		
			and with a copy to (which shall not constitute notice):
		
			Baker & McKenzie LLP
			660 Hansen Way
			Palo Alto, CA 94304
			Attn: Matthew Gemello
			Facsimile: (650) 856-9299
		
	(b)    		If to Danaher:
		
			c/o Danaher Corporation
			2200 Pennsylvania Ave., NW - Suite 800W
			Washington, DC 20037-1701
			Attn:		Attila Bodi
			Email:		attila.bodi@danaher.com
			Facsimile:		(202) 419-7676
			Attn:		Jonathan Schwarz
			Email:		jonathan.schwarz@danaher.com
			Facsimile:		(202) 419-7668
		
			with a copy to (which shall not constitute notice):
		
			Skadden, Arps, Slate, Meagher & Flom LLP
			Four Times Square
			New York, NY 10036
			Attn:		Joseph A. Coco
					Thomas W. Greenberg
			Facsimile:		(212) 735-2000

 or to such other address(es) as shall be furnished in writing by any such Party to the other Party in accordance with the
provisions of this Section 11.5. Any notice to Danaher will be deemed notice to all members of the Danaher Group, and any notice to Newco will be deemed notice to all members of the Newco Group. 

Section 11.6 Amendments and Waivers. 

(a) This Agreement may be amended and any provision of this Agreement may be waived, provided, that any such amendment or waiver shall
be binding upon a Party only if such waiver is set forth in a writing executed by such Party and any such amendment shall be effective only if set forth in a writing executed by each of the Parties. No course of dealing between or among any Persons
having any interest in this Agreement shall be deemed effective to modify, amend or discharge any part of this Agreement or any rights or obligations of any Party under or by reason of this Agreement. 

  
 34 

 (b) No delay or failure in exercising any right, power or remedy hereunder shall affect or
operate as a waiver thereof; nor shall any single or partial exercise thereof or any abandonment or discontinuance of steps to enforce such a right, power or remedy preclude any further exercise thereof or of any other right, power or remedy. The
rights and remedies hereunder are cumulative and not exclusive of any rights or remedies that any Party would otherwise have. Any waiver, permit, consent or approval of any kind or character of any breach or default under this Agreement or any such
waiver of any provision of this Agreement must satisfy the conditions set forth in Section 11.6(a) and shall be effective only to the extent in such writing specifically set forth. 

Section 11.7 Termination. This Agreement shall terminate without further action at any time before the Closing upon
termination of the Merger Agreement. If terminated, no Party shall have any Liability of any kind to the other Party or any other Person on account of this Agreement, except as provided in the Merger Agreement. 

Section 11.8 No Third-Party Beneficiaries. Except for the provisions of Article IX with respect to indemnification
of Indemnitees, which is intended to benefit and be enforceable by the Persons specified therein as Indemnitees, this Agreement is solely for the benefit of the Parties and does not confer on third parties (including any employees of any member of
the Danaher Group, the Newco Group or the NetScout Group) any remedy, claim, reimbursement, claim of action or other right in addition to those existing without reference to this Agreement. 

Section 11.9 Assignability; Binding Effect. This Agreement is not assignable by any Party without the prior written consent
of the other Parties and any attempt to assign this Agreement without such consent shall be void and of no effect. This Agreement shall be binding upon and inure to the benefit of the Parties and their respective successors and permitted assigns.

 Section 11.10 Construction; Interpretation. Headings of the Articles and Sections of this Agreement are for
convenience of the Parties only and shall be given no substantive or interpretive effect whatsoever. The table of contents to this Agreement is for reference purposes only and shall not affect in any way the meaning or interpretation of this
Agreement. Whenever required by the context, any pronoun used in this Agreement or the Schedules and Exhibits hereto shall include the corresponding masculine, feminine or neuter forms, and the singular forms of nouns, pronouns and verbs shall
include the plural and vice versa. Reference to any agreement, document, or instrument means such agreement, document or instrument as amended or otherwise modified from time to time in accordance with the terms thereof, and if applicable hereof.
Whenever the words “include,” “includes” or “including” are used in this Agreement, they shall be deemed to be followed by the words “without limitation.” The words “hereof,” “herein” and
“hereunder” and words of similar import when used in this Agreement shall refer to this Agreement as a whole and not to any particular provision of this Agreement. The Parties have participated jointly in the negotiation and drafting of
this Agreement, the Merger Agreement, the Distribution Agreement and the other Ancillary Agreements. In the event an ambiguity or question of intent or interpretation arises, this Agreement shall be construed as if drafted jointly by the Parties,
and no presumption or burden of proof shall arise favoring or disfavoring any Party by virtue of the authorship of any of the provisions of this Agreement. 

  
 35 

 Section 11.11 Severability. Any term or provision of this Agreement which is
invalid or unenforceable in any jurisdiction shall, as to that jurisdiction, be ineffective to the extent of such invalidity or unenforceability without rendering invalid or unenforceable the remaining terms and provisions of this Agreement in any
other jurisdiction. If any provision of this Agreement is so broad as to be unenforceable, such provision shall be interpreted to be only so broad as is enforceable. 

Section 11.12 Counterparts. This Agreement may be executed in multiple counterparts (any one of which need not contain the
signatures of more than one Party), each of which shall be deemed to be an original but all of which taken together shall constitute one and the same agreement. This Agreement, and any amendments hereto, to the extent signed and delivered by means
of a facsimile machine or other electronic transmission, shall be treated in all manner and respects as an original agreement and shall be considered to have the same binding legal effects as if it were the original signed version thereof delivered
in person. At the request of any Party, the other Party shall re-execute original forms thereof and deliver them to the requesting Party. No Party shall raise the use of a facsimile machine or other electronic means to deliver a signature or the
fact that any signature was transmitted or communicated through the use of a facsimile machine or other electronic means as a defense to the formation of a Contract and each such Party forever waives any such defense. 

Section 11.13 Relationship of Parties. Nothing in this Agreement shall be deemed or construed by the Parties or any third
party as creating the relationship of principal and agent, partnership, joint venture or joint employer relationship between or among the Parties, it being understood and agreed that no provision contained herein, and no act of the Parties, shall be
deemed to create any relationship between or among the Parties other than the relationship set forth herein. 
 Section 11.14
Subsidiaries. Each of the Parties shall cause to be performed all actions, agreements and obligations set forth herein to be performed by any Subsidiary or Affiliate of such Party or by any entity that becomes a Subsidiary or Affiliate of
such Party on or after the date hereof. Each of the Parties may assign to one of its respective Subsidiaries or Affiliates (including any Person which becomes a Subsidiary or Affiliate on or after the date hereof) the requirement to take any or all
actions and discharge any or all obligations set forth herein to be performed or discharged by the Party. In no event shall this Agreement be construed as establishing a partnership or joint venture or similar relationship between or among a Party
and its Subsidiaries or Affiliates or to cause any such Person to be treated as the alter ego of the other. 
 Section 11.15
Dispute Resolution. Any controversy, dispute or claim arising out of, in connection with, or in relation to the interpretation, performance, nonperformance, validity, termination or breach of this Agreement or otherwise arising out of, or
in any way related to this Agreement or the transactions contemplated hereby or thereby shall be subject to the dispute resolutions procedures set forth in Article VIII of the Distribution Agreement. 

  
 36 

 Section 11.16 Guarantee. Following the Effective Time, NetScout
unconditionally, absolutely and irrevocably guarantees to Danaher the prompt payment, in full, when due, of any payment obligations of all members of the Newco Group under this Agreement and the other Transaction Documents after the Closing and the
prompt performance, when due, of all other obligations of any member of the Newco Group under this Agreement and the other Transaction Documents after the Closing. NetScout’s obligations to Danaher under this Section 11.16 are
referred to as the “Guaranteed Obligations.” The Guaranteed Obligations are absolute and unconditional, irrespective of, and NetScout hereby expressly waives to the extent permitted by law, any defense to its obligations under this
Section 11.16, any circumstance whatsoever which might otherwise constitute a legal or equitable defense available to, or discharge of, a surety or a guarantor, including any right to require or claim that Danaher seek recovery directly
from any member of the Newco Group in respect of the Guaranteed Obligations. 
 [Remainder of this page intentionally left blank.]

  
 37 

 IN WITNESS WHEREOF, the Parties have caused this Agreement to be duly executed as of the day and
year first above written. 
  

			
	DANAHER CORPORATION
		
	By:		 /s/ Daniel L. Comas

	Name:		Daniel L. Comas
	Title:		Executive VP & CFO
	
	POTOMAC HOLDING LLC
		
	By:		 /s/ Daniel L. Comas

	Name:		Daniel L. Comas
	Title:		CFO & Chief Accounting Officer
	
	NETSCOUT SYSTEMS, INC.
		
	By:		 /s/ Anil K. Singhal

	Name:		Anil K. Singhal
	Title:		Chief Executive Officer

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