Document:

EX-10.1

 Exhibit 10.1 

TRANSITION SERVICES AGREEMENT 

This Transition Services Agreement (this “Services Agreement”) is made as of this [•] day of [•] by and between
(i) Dover Corporation, a Delaware corporation (“Dover”), and (ii) Apergy Corporation, a Delaware corporation (“Apergy”). Each of Dover and Apergy is sometimes referred to herein as a
“Party” and collectively, as the “Parties.” 
 W I T N E S
S E T H: 
 WHEREAS, the board of directors of Dover has determined that it would be in the best interests of
Dover and its stockholders to separate the Apergy Business from Dover; 
 WHEREAS, Dover and Apergy have entered into a Separation and
Distribution Agreement dated as of the date hereof (as amended, supplemented or modified from time to time, the “Separation Agreement”) which sets forth, among other things, the terms of the separation of the Dover Business and the
Apergy Business (such transactions, as may be amended or modified from time to time, the “Separation”) and the distribution of Apergy Common Stock to stockholders of Dover; 

WHEREAS, the Separation Agreement also provides for the execution and delivery of certain other Ancillary Agreements, including this Services
Agreement, in order to facilitate and provide for the separation of Apergy and its Subsidiaries from Dover; and 
 WHEREAS, Dover and Apergy
have each determined that it is desirable to enter into this Services Agreement pursuant to which each Party has agreed to provide or cause to be provided to the other Party and its Subsidiaries, as applicable, certain transitional, administrative
and support services on the terms and conditions set forth in this Services Agreement and the Schedules hereto. 
 NOW, THEREFORE, in
consideration of the premises and the representations, warranties, covenants and agreements herein contained and other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, and intending to be legally bound, the
Parties hereby agree as follows: 
 ARTICLE 1 

DEFINITIONS AND INTERPRETATION 

1.1 General. Capitalized terms used herein and not otherwise defined shall have the respective meanings assigned to them in the
Separation Agreement. As used in this Services Agreement, the following capitalized terms shall have the following meanings: 
 (a)
“Adversely Affected Service” shall have the meaning set forth in Section 4.2(b). 
 (b)
“Disbursement” shall have the meaning set forth in Section 5.7. 

 (c) “Dover” shall have the meaning set forth in the preamble to this Services
Agreement. 
 (d) “Dover Entities” means, collectively, Dover and its Affiliates that are listed as Providers on
Schedule A or Recipients on Schedule B. 
 (e) “Dover Provided
Services” shall have the meaning set forth in Section 2.1. 
 (f) “Force Majeure” shall
have the meaning set forth in Section 6.1. 
 (g) “Independent Accountants” shall have the
meaning set forth in Section 3.6(d). 
 (h) “Initial Term” shall have the meaning set forth in
Section 4.1. 
 (i) “Level of Service” shall have the meaning set forth in
Section 5.1(d). 
 (j) “New Service” shall have the meaning set forth in
Section 2.5. 
 (k) “New York Courts” shall have the meaning set forth in
Section 9.12. 
 (l) “Omitted Service” shall have the meaning set forth in
Section 2.3. 
 (m) “Other Party” shall have the meaning set forth in
Section 5.7. 
 (n) “Party” shall have the meaning set forth in the preamble to this Services
Agreement. 
 (o) “Paying Party” shall have the meaning set forth in Section 5.7. 

(p) “Provider” shall mean, with respect to any service set forth on Schedule A or B to this Services
Agreement, the Person identified on such Schedule A or B as providing such service. 
 (q)
“Receipt” shall have the meaning set forth in Section 5.7. 
 (r) “Receiving
Party” shall have the meaning set forth in Section 5.7. 
 (s) “Recipient” shall mean,
with respect to any service set forth on Schedule A or B to this Services Agreement, the Person identified on such Schedule A or B as receiving such service. 

(t) “Renewal Term” shall have the meaning set forth in Section 4.1. 

(u) “Responsible Party” shall have the meaning set forth in Section 5.7. 

  
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 (v) “Sales and Service Taxes” shall have the meaning set forth in
Section 3.4. 
 (w) “Separation” shall have the meaning set forth in the recitals to this
Services Agreement. 
 (x) “Separation Agreement” shall have the meaning set forth in the recitals to this Services
Agreement. 
 (y) “Service Baseline Period” shall have the meaning set forth in Section 5.1(d).

 (z) “Service Change” shall have the meaning set forth in Section 2.4. 

(aa) “Services Agreement” shall have the meaning set forth in the preamble to this Services Agreement. 

(bb) “Term” shall mean the Initial Term and the Renewal Term, if any, or, with respect to a particular service provided for
hereunder, such shorter period as may be applicable to such service pursuant to the terms of this Services Agreement or the exercise of a Party’s right of early termination as provided for herein. 

(cc) “To-be-Terminated Service” shall have
the meaning set forth in Section 4.2(b). 
 (dd) “Apergy” shall have the meaning set forth in
the preamble to this Services Agreement. 
 (ee) “Apergy Entities” means, collectively, Apergy and its Affiliates that are
listed as Recipients on Schedule A or as Providers on Schedule B. 
 (ff)
“Apergy Provided Services” shall have the meaning set forth in Section 2.2. 
 1.2 References;
Interpretation. References in this Services Agreement to any gender include references to all genders, and references to the singular include references to the plural and vice versa. Unless the context otherwise requires: 

(a) the words “include”, “includes” and “including” when used in this Services Agreement shall be deemed to be
followed by the phrase “without limitation”; 
 (b) references in this Services Agreement to Articles, Sections and Schedules
shall be deemed references to Articles and Sections of, and Schedules to, this Services Agreement; 
 (c) the words “hereof”,
“hereby” and “herein” and words of similar meaning when used in this Services Agreement refer to this Services Agreement in its entirety and not to any particular Article, Section or provision of this Services Agreement;

  
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 (d) the words “written request” when used in this Services Agreement shall include
email; 
 (e) references in this Services Agreement to any time shall be to New York City, New York time unless otherwise expressly
provided herein; and 
 (f) as described in Section 9.1, to the extent that the terms and conditions of any
Schedule hereto conflict with the express terms of the body of this Services Agreement, the terms of such Schedule shall control; it being understood that the Parties intend to include in the Schedules hereto any exceptions to the general rules
described in the body of this Services Agreement and to give full effect to such exceptions, with respect to the matters expressly set forth therein. 

ARTICLE 2 
 SERVICES PROVIDED

 2.1 Dover Provided Services. Subject to the terms and conditions of this Services Agreement, commencing as of the Effective
Time, the Dover Entities agree to provide, or cause to be provided, to Apergy, the members of the Apergy Group and the Apergy Business, as designated by Apergy, the services described in Schedule A to this Services
Agreement (the “Dover Provided Services”). 
 2.2 Apergy Provided Services. Subject to the terms and conditions of
this Services Agreement, commencing as of the Effective Time, the Apergy Entities agree to provide, or cause to be provided, to Dover, the members of the Dover Group and the Dover Business, as designated by Dover, the services described in
Schedule B to this Services Agreement (the “Apergy Provided Services”). 
 2.3 Omitted
Services. If, after the execution of this Services Agreement and prior to the date that is two months from the date hereof, the Parties determine that a service provided by or to the Apergy Business as conducted by Apergy or its Subsidiaries
prior to the Separation was inadvertently omitted from the Schedules to this Services Agreement (an “Omitted Service”), then the Parties shall negotiate in good faith to agree to the terms and conditions upon which such services
would be added to this Services Agreement, it being agreed that the charges for such services should be determined on a basis consistent with the methodology for determining the initial prices provided for herein (i.e., sufficient to cover a
Provider’s reasonable estimate of its actual costs and, if applicable, consistent with the prices such Provider would charge to an Affiliate), in each case without taking into account any profit margin or projected savings from increased
efficiency; provided, however, no Party or Provider shall be required to provide any Omitted Service pursuant to this Section 2.3 if (x) it does not, in its reasonable judgment, have adequate resources to
provide such Omitted Service, (y) the provision of such Omitted Service would significantly disrupt the operation of its business or (z) the Parties are unable to reach agreement on the terms and conditions applicable to such Omitted
Service. 

  
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 2.4 Service Changes. After the execution of this Services Agreement and prior to the date
that is two months from the date hereof, either Party may request that the other Party modify, alter or adjust the manner in which the other Party provides services (a “Service Change”). Following the delivery of such request, the
Parties shall negotiate in good faith the terms and conditions of such Service Change; provided, however, that no Party or Provider shall be required to agree to a Service Change pursuant to this Section 2.4
if (x) it does not, in its reasonable judgment, have adequate resources for such Service Change, (y) the Service Change would significantly disrupt the operation of its business or (z) the Parties are unable to reach agreement on the
terms and conditions applicable to such Service Change. 
 2.5 New Services. After the execution of this Services Agreement and prior
to the date that is two months from the date hereof, either Party may request that the other Party provide an additional or different service that is not an Omitted Service and that does not constitute a Service Change (a “New
Service”). The other Party shall consider such request in good faith, but nothing in this Services Agreement shall require the other Party to agree to provide such New Service. If the other Party consents to providing the requested New
Service, then the Parties shall negotiate in good faith to agree to the terms and conditions upon which such New Service would be added to this Services Agreement, it being agreed that the charges for such New Service should be determined on a basis
consistent with the methodology for determining the initial prices provided for herein (as described in Section 2.3). 

2.6 Amendments. If the Parties agree on the fees and other specific terms and conditions applicable to an Omitted Service, Service
Change or New Service, the Parties shall execute an amendment to this Services Agreement that provides for the substitution of the relevant Schedule, or additions or supplements to the relevant Schedule, in order to describe such Omitted Service,
Service Change or New Service, as applicable, and the agreement upon the related fees and other specific terms and conditions applicable thereto. 

ARTICLE 3 
 COMPENSATION

 3.1 Compensation for Dover Provided Services. Subject to Section 3.5, the compensation for the Dover
Provided Services for the duration of the Term shall be as described for each individual service provided to the Apergy Business as set forth on Schedule A, or if not set forth on Schedule A, then based on the actual
cost of providing such service as agreed by the Parties from time to time. 
 3.2 Compensation for Apergy Provided Services. Subject
to Section 3.5, the compensation for the Apergy Provided Services for the duration of the Term shall be as described for each individual service provided by the Apergy Business as set forth on
Schedule B, or if not set forth on Schedule B, then based on the actual cost of providing such service as agreed by the Parties from time to time. 

  
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 3.3 Allocation of Certain Expenses. 

(a) In addition to the payment of all compensation provided under Section 3.1 or
Section 3.2, as applicable, each Recipient shall reimburse the applicable Provider for all reasonable out-of-pocket costs and expenses directly
or indirectly incurred by such Provider or its Affiliates in connection with providing the applicable services hereunder (including all reasonable travel-related expenses) to the extent that such costs and expenses are not reflected in the
compensation for such services on Schedule A or Schedule B, as applicable; provided, however, any such costs and expenses expected to exceed $1,000 per month (other than routine
business travel and related expenses) that are not consistent with the historical practice between the Parties for any individual service shall require advance approval of the applicable Recipient. Any travel-related expenses incurred by a Provider
in performing the applicable services hereunder shall be incurred and charged to the applicable Recipient in accordance with such Provider’s then applicable business travel policies. 

(b) In the event that a Recipient terminates any individual service as contemplated by Section 4.2 earlier than the
expiration of the Initial Term or the Renewal Term, if applicable, such Recipient shall reimburse the applicable Provider for any and all out-of-pocket costs and
expenses directly or indirectly incurred by such Provider or any of its Affiliates as a result of such early termination by such Recipient, including early termination fees and other costs incurred in order to terminate or reduce the level of
services provided by Third Parties under Contracts with a Provider or any of its Affiliates, which services are affected by such early termination, and increased or additional costs associated with continuing any other services, such reimbursement
to be due and payable within five Business Days following such Recipient’s receipt of any invoice from such Provider with respect to such costs and expenses. 

3.4 Taxes. 
 (a) In
addition to the compensation payable to each Provider determined exclusive of the Taxes payable by each Recipient under this Section 3.4, each Recipient will pay and be liable for all sales, service, value added, lease,
use, transfer, consumption or similar Taxes levied and measured by: (i) the cost of services provided to such Recipient under this Services Agreement or (ii) each Provider’s cost in acquiring property or services used or consumed by
any such Provider in providing services under this Services Agreement (the “Sales and Service Taxes”). Such Taxes will be payable by the applicable Recipient to the applicable Provider in accordance with this
Section 3.4 or as otherwise mutually agreed in writing by the Parties and under the terms of the applicable Law which govern the relevant Sales and Service Tax. Each Recipient’s obligation to pay Sales and Service
Taxes under this Section 3.4 shall be subject to the receipt of (i) a computation of the Sales and Service Taxes payable under this Section 3.4 identifying the nature and amount of the goods
or services on which the Sales and Service Tax is assessed and the applicable rate and (ii) a valid and customary invoice (or other document) under the terms of applicable Law for each Sales and Service Tax. If a Recipient complies with the
terms of this Section 3.4 regarding the payment of Sales and Service Taxes, it shall not be liable for any interest, penalties or other charges attributable to the applicable Provider’s improper filing relating to
Sales and Service Taxes or late payment or failure to remit Sales and Service Taxes to the relevant taxing authority. 

  
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 (b) The Parties acknowledge that each Provider and each Recipient shall pay and be responsible
for their own personal property Taxes and Taxes based on their own income or profits or assets. 
 (c) Payments for services or other
amounts under this Services Agreement shall be made net of withholding Taxes, provided, however, that if a Provider reasonably believes that a reduced rate of withholding applies or such Provider is exempt from withholding, the
applicable Recipient shall only be required to apply such reduced rate of withholding or not withhold if such Provider provides such Recipient with evidence reasonably satisfactory to such Recipient that a reduced rate of or no withholding is
required, including rulings or certificates from, or other correspondence with taxing authorities and tax opinions rendered by qualified persons, to the extent reasonably requested by such Recipient. Each Recipient shall promptly remit any amounts
withheld to the appropriate taxing authority, and in the event that such Recipient receives a refund of any amounts previously withheld from payments to a Provider and remitted, such Recipient shall surrender such refund to such Provider. 

(d) Each Provider and each Recipient shall promptly notify the other of any deficiency claim or similar notice by a taxing authority with
respect to Sales and Service Taxes payable under this Service Agreement, and of any pending tax audit or other proceeding relating to Sales and Service Taxes or withholding with respect to this Service Agreement, and shall afford such party a
reasonable opportunity to participate in any such audit or proceeding affecting its interests. 
 3.5 Price Adjustments. 

(a) The Parties shall review the respective costs of each Provider providing services hereunder as of the date that is two months from the
date hereof (and thereafter upon the written request of a Provider (which may not be given more than once in any 30-day period)). If it is determined in connection with any such review that a Provider’s
cost of providing services hereunder (taken individually) exceeds by at least ten percent the charge for such service(s), including because of a significant increase in usage by a Recipient or other circumstances beyond the reasonable control of
such Provider (including events of Force Majeure), then, upon request of such Provider, such Provider and its Recipient shall negotiate in good faith to determine an appropriate adjustment to the then-current prices for such services on a basis
consistent with the methodology for determining the initial prices provided for herein (as described in Section 2.3). 

(b) If the Parties determine (which determination shall be made in good faith) that the initial prices set forth on the Schedules hereto are
not consistent with the methodology for determining the initial prices as described in Section 3.5(a), then the Parties shall negotiate in good faith to adjust such charges in a manner that is consistent with such
methodology. 
 (c) Notwithstanding Section 3.5(a), if a service is being provided by a Provider to a Recipient
hereunder through a Third Party as contemplated by Section 5.4 and such Third Party increases the costs of such service, then such increased costs (and any corresponding adjustments to Taxes payable or to be withheld in
accordance with Section 3.4) shall be immediately passed along to such Recipient and reflected in a supplement to Schedule A or Schedule B, as applicable. 

  
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 3.6 Terms of Payment; Dispute Resolution; Audits. 

(a) Each Provider shall invoice its respective Recipient for the services provided under Section 3.1 or
Section 3.2, as applicable, monthly in advance on the first calendar day of each month of the Term following the date hereof (or the first Business Day following each such date). Each Provider shall also provide invoices to
its respective Recipient monthly in arrears for amounts, such as Sales and Service Taxes and out-of-pocket or other expenses, that are payable in addition to the fee for
the service that was paid in advance pursuant to the first sentence of this Section 3.6(a). Recipient shall pay Provider (or its designee) within 30 days after receipt of any of the foregoing invoices. No Recipient shall
withhold any payments to its Provider under this Services Agreement, and such payments shall be made without any other setoff or deduction, notwithstanding any dispute that may be pending between them, whether under this Services Agreement or
otherwise (any required adjustment being made on subsequent invoices). Amounts not paid on or before the date required to be paid hereunder shall accrue interest at a rate equal to 0.5% per month (or the maximum legal rate, whichever is lower),
calculated 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. A Provider’s failure to invoice on the first calendar day of a month for any fees and/or
expenses shall not constitute a waiver of such Provider’s right to subsequently invoice and collect such fees and expenses. 
 (b) All
amounts due for services rendered pursuant to this Services Agreement shall be billed and paid in the currency in which the rate for such service is quoted, as stated herein or as shown on the Schedules hereto. 

(c) If there is a dispute between any Recipient and any Provider regarding the amounts shown as billed to such Recipient on any invoice, such
Provider shall furnish to such Recipient reasonable documentation to substantiate the amounts billed including listings of the dates, times and amounts of the services in question where applicable and practicable. Upon delivery of such
documentation, such Recipient and such Provider shall cooperate and use their commercially reasonable efforts to resolve such dispute among themselves. If such disputing parties are unable to resolve their dispute within 30 calendar days of the
delivery of such documentation, and such Recipient believes in good faith and with a reasonable basis that the amounts shown as billed to such Recipient are inaccurate or are otherwise not in accordance with the terms of this Services Agreement,
then such Recipient shall have the right, at its own expense, to have any disputed invoice(s) audited as provided in Section 3.6(d). 

(d) Any audit pursuant to Section 3.6(c) shall be limited solely to the purpose of verifying the amounts in dispute
and shall be made by an independent certified public accounting firm selected and paid for by the Recipient initiating such audit and reasonably satisfactory to the Provider being audited (such accounting firm, the “Independent
Accountants”). Any such audit shall be reasonably conducted by the Independent Accountants during the normal business hours of the Provider being audited. Such Provider shall reasonably

  
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cooperate with the Independent Accountants and shall make available to the Independent Accountants all applicable cost and other data as may be reasonably necessary for the sole purpose of
verifying the amounts in dispute. The Independent Accountants shall not disclose any of the underlying data and information to said Recipient or to any other Person (except as may be required by Law) and, prior to any such audit the Independent
Accountants shall, if requested by the Provider being audited, enter into a confidentiality agreement reasonably acceptable to such Provider. The determination of the Independent Accountants shall be final and binding on the Parties. 

ARTICLE 4 
 TERM AND TERMINATION

 4.1 Term. Except as expressly provided otherwise in this Services Agreement, or with respect to specific services as indicated
on the Schedules hereto, the term of this Services Agreement shall be for an initial period commencing at 12:01 a.m. on the date immediately following the date hereof and ending on January 31, 2019 (the “Initial Term”).
Effective between the respective Provider and Recipient, the Initial Term may be extended for an additional period ending on the one-year anniversary of the date hereof, or such other period set forth on
Schedule A or Schedule B (the “Renewal Term”) at the request of a Recipient by written notice from such Recipient to its Provider, with copies to Dover and Apergy; any such notice
shall be made not less than two months prior to the end of the Initial Term. The obligation of any Recipient to make a payment for services previously rendered shall not be affected by the expiration of the Initial Term or Renewal Term and shall
survive such expiration and continue until full payment is made. 
 4.2 Termination of Individual Services. 

(a) Effective between the respective Provider and Recipient, a Recipient may terminate at any time any individual service provided under this
Services Agreement on a service-by-service basis (and/or location-by-location basis where
an individual service is provided to multiple locations of a Recipient) upon written notice to such Provider identifying the particular service (or location) to be terminated and the effective date of termination, which date shall not be less than
30 days after receipt of such notice unless such Provider otherwise agrees. The termination of any individual services pursuant to this Section 4.2 shall not affect this Services Agreement with respect to the services not
terminated under this Section 4.2. In addition, effective between the respective Provider and Recipient, a Provider may terminate at any time any individual service provided under this Services Agreement upon written notice
to its respective Recipient identifying the particular service to be terminated and the effective date of termination if the employee that was providing the applicable service is no longer employed by such Provider (and there is no other employee
employed by such Provider at the time that could reasonably provide such service). 
 (b) The Parties acknowledge and agree that
(a) there may be interdependencies among the services being provided under this Services Agreement; (b) upon the request of either Party, the Parties shall cooperate and act in good faith to determine whether (i) any such
interdependencies exist with respect to the particular service that a Party is seeking 

  
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to terminate pursuant to Section 4.2(a) (the “To-be-Terminated Service”)
and (ii) in the case of such termination, the Provider’s ability to provide a particular service in accordance with this Services Agreement would be materially and adversely affected by such termination of another service (the
“Adversely Affected Service”); and (c) in the event that the Parties have determined that such interdependencies exist and such termination would materially and adversely affect the Provider’s ability to provide a
particular service in accordance with this Services Agreement, the Parties shall negotiate in good faith to amend the Schedules hereto with respect to such Adversely Affected Service, which amendment shall be consistent with the terms of comparable
services. If, after such negotiations, the Parties are unable to agree on an amendment with respect to the Adversely Affected Service, the dispute between the Parties shall be resolved in accordance with the terms of
Section 9.13, and the Provider’s obligation to provide, and the Recipient’s obligation to pay for, the To-be-Terminated Service and
the Adversely Affected Service shall continue until the resolution of such dispute. 
 4.3 Termination of Agreement. This Services
Agreement shall terminate on the earliest to occur of (a) a date mutually agreed in writing by the Parties, (b) the latest date on which any service is to be provided as indicated on Schedule A and
Schedule B, (c) the date on which the provision of all services has terminated pursuant to Section 4.2 and (d) the date on which this Services Agreement is terminated in its entirety
pursuant to Section 4.4. 
 4.4 Breach of Agreement. If either Party (or member of its respective Group)
shall materially breach any of its obligations under this Services Agreement, including any failure to perform any services or to make payments when due, and such breach is not cured within 30 days after the breaching Party receives written notice
thereof from the non-breaching Party, the non-breaching Party may (i) terminate this entire Services Agreement, including the provision of all services pursuant
hereto, immediately by providing written notice of termination or (ii) terminate the individual services that are subject to such material breach, immediately by providing notice of such selective termination and identifying the particular
services to be so terminated; provided that the non-breaching Party shall not be entitled to terminate this Services Agreement or any individual services, as applicable, if, as of the end of such 30-day period, there remains a good faith dispute between the Parties (undertaken in accordance with Section 9.13) as to whether the other Party (or member of its Group) materially breached
this Services Agreement or has cured the applicable breach. If the non-breaching Party decides to terminate individual services in accordance with this Section 4.4 (rather than the
entire Services Agreement), such termination of such individual services pursuant to this Section 4.4 shall not affect this Services Agreement with respect to the services not terminated under this
Section 4.4. The failure of a Party to exercise its rights hereunder with respect to a breach by the other Party (or member of its Group) shall not be construed as a waiver of such rights nor prevent such Party from
subsequently asserting such rights with regard to the same or similar defaults. 
 4.5 Effect of Termination. Upon the termination of
any service pursuant to this Services Agreement, the Provider of such terminated service shall have no further obligation to provide such terminated service. In the event of (a) a termination or expiration of this Services Agreement in its
entirety, each Provider shall be entitled to all outstanding amounts due from the applicable Recipient for the provision of services rendered through the date of termination or otherwise payable hereunder or (b) a partial termination of this
Services Agreement with respect to individual services in accordance with Section 4.2 or clause (ii) of Section 4.4, the Provider(s) 

  
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that were providing the services that are so terminated shall be entitled to all outstanding amounts due from the relevant Recipient(s) of such terminated services for the provision of such
services rendered through the date of the termination of such individual service or otherwise payable hereunder. This Section 4.5, Section 5.6, Article 1, Article 7, Article 8
and Article 9 shall survive any termination or expiration of this Services Agreement. 
 ARTICLE 5 

CERTAIN COVENANTS 
 5.1
Standard of Services. 
 (a) Each Provider shall perform the services that it is required to provide to its respective Recipient(s)
under this Services Agreement in substantially the same nature, quality, standard of care and service levels at which the same or similar services were performed by or on behalf of Dover or any of its Subsidiaries to Dover or any of its Subsidiaries
prior to the Distribution Date. The Parties acknowledge and agree that each Provider (and each member of its Group) makes no representations or warranties (including warranties of merchantability or fitness for a particular use or purpose or the non-infringement of any Intellectual Property rights of Third Parties) or guarantees of any kind, express or implied, either in fact or by operation of law, by statute or otherwise, with respect to any services
provided hereunder and that the services to be provided hereunder are furnished “as is,” “where is,” with all faults. Each Party specifically disclaims any other warranties, whether written or oral, or express or
implied, including any warranty of quality, merchantability, or fitness for a particular use or purpose or non-infringement of any Intellectual Property rights of Third Parties. 

(b) Nothing in this Services Agreement shall require a Provider to perform or cause to be performed any service to the extent the Provider
reasonably believes such performance would constitute (i) a violation of applicable Laws or any code of conduct applicable to such Provider or (ii) a breach, violation or infringement of, or a default under, any existing Contract with a
Third Party. If a Provider is or becomes aware of any such restriction on such Provider, such Provider shall promptly send a notice to its respective Recipient of any such restriction. The Parties each agree to cooperate in good faith and use
commercially reasonable efforts to obtain any necessary Third Party consents required under any existing Contract with a Third Party to allow each Provider to perform or cause to be performed any service in accordance with the standards set forth in
this Section 5.1. Any costs and expenses incurred by any Party or any of its Subsidiaries in connection with obtaining any such Third Party consent that is required to allow a Provider to perform or cause to be performed
any service shall be the responsibility of the respective Recipient. If, with respect to a service, the Parties, despite the use of such commercially reasonable efforts, are unable to obtain a required Third Party consent or the performance of such
service by a Provider would continue to constitute a violation of applicable Laws or any code of conduct applicable to such Provider, such Provider shall use commercially reasonable efforts in good faith to provide such services in a manner as
closely as possible to the standards described in this Section 5.1 that would apply absent the exception set forth in the first sentence of this Section 5.1(b). 

  
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 (c) Notwithstanding anything in this Services Agreement to the contrary, a Provider shall have
the right to limit any service in the event a Provider determines after prior consultation with the applicable Recipient, in such Provider’s reasonable discretion, that such service creates an unacceptable safety, liability or data security
risk to such Provider or any of its Affiliates; provided that if a Provider does so limit the provision of such service, the applicable Recipient shall have no obligation to pay for any such service to the extent not rendered by such
Provider. As of the Effective Date, the Parties are not actually aware of any risk described in this Section 5.1(c) that would have been reasonably expected to cause a Provider to limit a service pursuant to this
Section 5.1(c). 
 (d) Nothing in this Services Agreement shall require a Provider to (i) render services in
a manner or method different from the manner or method utilized by Providers in performing the services hereunder; (ii) make any change or addition that would require (to be determined in the Provider’s sole discretion) any expenditure of
additional capital, any expansion or modification to facilities, or any acquisition of additional equipment or software, (iii) make any changes to a Provider’s applications to support a Recipient’s business processes or otherwise or
(iv) make any efforts, in each case beyond commercially reasonable efforts, to provide the services hereunder. 
 5.2 Transition
From Services. It is the express intent of the Parties and the members of their respective Groups that, notwithstanding the terms or schedules for performance of services hereunder, the performance of services are expected to be terminated as
soon as possible. Consequently, unless the Parties mutually agree otherwise, each Recipient agrees to use commercially reasonable efforts to reduce or eliminate its dependency on each service provided by each Provider as soon as reasonably
practicable, but in any event before the end of the service Term for such service. The Parties will cooperate (acting in good faith and using reasonable commercial efforts) to effect a smooth and orderly transition of the services provided hereunder
from the Providers to the respective Recipients. 
 5.3 Points of Contact. Each Provider and its respective Recipient has named a
point of contact as set forth on Schedules A and B. Such points of contact shall be responsible for the implementation of this Services Agreement between the respective Provider and its Recipient, including resolution of any issues
which may arise during the performance hereunder on a day to-day basis. 
 5.4 Personnel.
Each Provider, in providing the services, as it deems necessary or appropriate in its sole discretion, may (a) use the personnel of such Provider or its Affiliates (it being understood that such personnel can perform the services on behalf of
such Provider on a full-time or part-time basis, as determined by such Provider or its Affiliates) and (b) employ the services of Third Parties to the extent such third party services are routinely utilized to provide similar services to other
businesses of such Provider or are reasonably necessary for the efficient performance of any such services. In performing the services, employees and representatives of a Provider shall be under the direction, control and supervision of such
Provider (and not its respective Recipient) and such Provider shall have the sole right to exercise all authority with respect to the employment (including termination of employment), assignment and compensation of such employees and representatives
(it being understood that no Recipient has any right hereunder to require that any Provider perform the services hereunder with specifically identified 

  
 12 

 
employees and that the assignment of employees to perform such services shall be determined in the sole discretion of the applicable Provider). In addition, no Provider shall be required to
provide any service to the extent the provision of such service requires such Provider to hire any additional employees or maintain the employment of any specific employee. 

5.5 Further Assurances. From time to time after the date hereof, without further consideration, each Party shall use commercially
reasonable efforts to take, or cause to be taken, all appropriate action, do or cause to be done all things reasonably necessary, proper or advisable under applicable Laws, and execute and deliver such documents as may be required or appropriate to
carry out the provisions of this Services Agreement and to consummate, perform and make effective the transactions contemplated hereby. 

5.6 Title to Intellectual Property. Except as expressly provided for under the terms of this Services Agreement, each Recipient
acknowledges that it shall acquire no right, title or interest (including any license rights or rights of use) in any Intellectual Property which is owned, licensed or otherwise used by any Provider or any of their respective Affiliates or any Third
Party, if applicable, by reason of the provision or receipt of the services provided hereunder. Each Recipient agrees not to remove or alter any copyright, trademark, confidentiality or other proprietary notices that appear on any Intellectual
Property owned, licensed or used by any Provider or any of their respective Affiliates or any Third Party, if applicable, and each Recipient agrees to reproduce any such notices on any and all copies thereof. Each Recipient agrees not to attempt to
decompile, translate, reverse engineer or disassemble any Intellectual Property owned, licensed or used by any Provider or their respective Affiliates or any Third Party, if applicable, and a Recipient shall promptly notify its respective Provider
of any such attempt, including by any employee or representative of such Recipient or by any Third Party, of which such Recipient becomes aware. 

5.7 Certain Disbursements/Receipts. The Parties hereto contemplate that, from time to time on or after the Effective Time, a member of
a Party’s Group (any such member, the “Paying Party”), as a convenience to a member of the other Party’s Group (the “Responsible Party”), in connection with the transactions contemplated by this Services
Agreement, may make certain payments that are properly the responsibility of the Responsible Party (any such payment made, a “Disbursement”). Similarly, from time to time on or after the Effective Time, a member of a Party’s
Group (any such member, the “Receiving Party”) may receive from Third Parties certain payments to which a member of the other Party’s Group is entitled (the “Other Party”, and any such payment received, a
“Receipt”). Accordingly, with respect to Disbursements and Receipts (each of which shall be subject to Section 3.4), the Parties hereto agree as follows. 

(a) Disbursements. 

(i) A Paying Party may request reimbursement for Disbursements made by check within seven Business Days after notice of such
Disbursement has been given to the Responsible Party in writing and with mutually acceptable supporting documentation. 

  
 13 

 (ii) In case of a Disbursement by wire, if notice in writing and with mutually
acceptable supporting documentation has been given by 2 p.m. of the Responsible Party’s local time at least one Business Day prior to the payment of such Disbursement, the Responsible Party shall reimburse the Paying Party for the amount of
such payment (in the local currency equivalent paid by the Paying Party) on the date the Disbursement is made by the Paying Party. If notice as provided above has not been given prior to the payment of such Disbursement, the Responsible Party shall
reimburse the Paying Party for the amount of such payment (in the local currency equivalent paid by the Paying Party) within three Business Days after receipt by the Responsible Party of such notice from the Paying Party. 

(b) Receipts. A Receiving Party shall remit Receipts to the Other Party (in the same currency as such payment is received) within
three Business Days of receipt thereof. 
 (c) Certain Exceptions. Notwithstanding anything to the contrary set forth above, if,
with respect to any particular transaction(s), it is impossible or impracticable under the circumstances to comply with the procedures set forth in subsections (a) and (b) of this Section 5.7 (including the time
periods specified therein), the Parties will cooperate to find a mutually agreeable alternative that will achieve substantially similar economic results from the point of view of the Paying Party or the Other Party, as the case may be;
provided, however, that if a Receiving Party cannot comply with the procedures set forth in subsection (b) of this Section 5.7 because it does not become aware of a Receipt on behalf of the Other Party in
time, such Receiving Party shall remit such Receipt (without interest thereon) to the Other Party within 24 hours after it becomes aware of such Receipt. 

5.8 Recipient Obligations. To the extent reasonably required to perform the services and during normal working hours, with advance
notice and subject to the Recipients’ site safety rules, the Recipients shall (at their own expense) provide the Providers’ personnel, agents or contractors and the supervisors of such personnel with reasonable and timely access to the
Recipients’ office space, plants, equipment, information, premises, personnel, power, telecommunications systems and circuits, computer systems, software and any other areas and equipment. Without limiting the foregoing, the Recipients shall
make accessible to the Providers, as needed, the Recipients’ key users and other Recipient personnel responsible for the execution, maintenance and enhancement of processes relating to the services. 

ARTICLE 6 
 FORCE MAJEURE

 6.1 Force Majeure. No Provider (or any Person acting on its behalf) shall bear any responsibility or Liability for any losses
arising out of any delay, hindrance, frustration, inability to perform or interruption of its performance of, obligations under this Services Agreement due to any acts or omissions of its respective Recipient or due to events beyond its reasonable
control (hereinafter referred to as “Force Majeure”) including acts of God, acts of a Governmental Entity, acts of a state or public enemy, acts of war or terrorism, riots, floods, fires, earthquakes, storms, severe or adverse
weather conditions, epidemics, explosions, accidents, civil commotion, insurrection, labor shortages or other difficulties, lack of or shortage of electrical power, malfunctions or breakdowns of equipment or software programs, inability to obtain
equipment, fuel or other materials, voluntary or involuntary compliance with any Law or 

  
 14 

 
recommendation or request of any Governmental Entity or any other cause beyond the reasonable control of the Party (or member of its Group or Third Party acting on its behalf) whose performance
is affected by the Force Majeure event. In such event, the obligations hereunder of such Provider in providing such service, and the obligations of its respective Recipient to pay for any such service, shall be postponed for such time as its
performance is suspended or delayed on account thereof. If a Force Majeure event occurs that has an effect on the ability of a Provider to perform its obligations under this Services Agreement, then such Provider shall give prompt written notice to
its respective Recipient identifying the nature of the Force Majeure event and the manner in which services will be affected. 
 ARTICLE 7

 INDEMNITY 
 7.1
Indemnity. 
 (a) Determination of the suitability of any services provided hereunder for the use contemplated by Recipients is the
sole responsibility of Recipients, and Providers will have no responsibility in connection therewith. The Recipients assume all risk and liability arising from or relating to their use of and reliance upon the services. The liability of any Provider
and its Affiliates and their respective officers, employees, directors, agents and other representatives with respect to this Services Agreement, for any act or failure to act in connection with this Services Agreement, or in connection with the
performance, delivery, provision or use of any service provided under this Services Agreement, whether in contract, tort (including negligence or strict liability) or otherwise, shall be limited to the Indemnifiable Losses of the applicable
Recipient arising from such Provider’s willful misconduct or gross negligence; provided that in no event shall the liability exceed the fees previously paid to such Provider by such Recipient in respect of the service from which such
liability flows, or to the extent the liability arises out of a Provider breaching this Services Agreement by not providing the services (or level of services) required hereunder, then the liability shall not exceed the higher of the fees previously
paid to such Provider by such Recipient in respect of the service from which such liability flows or the amount that such Provider would have been paid by such Recipient for such services for the agreed-upon term of such services (not to exceed six
months from the date hereof); provided further that for purposes of this Section 7.1(a), “fees” shall include only the amounts collected and retained by the applicable Provider and shall be exclusive, in
each case, of any Third Party costs or fees passed through by the applicable Provider. Notwithstanding the foregoing, the limitations in this Section 7.1(a) shall not apply in respect of any liability arising out of or in
connection with either Party’s breaches of confidentiality under Article VIII. 
 (b) Each Recipient hereby agrees to indemnify
its respective Provider and Affiliates thereof and their respective representatives from any and all Indemnifiable Losses resulting from an Action relating to such Provider’s conduct in connection with the provision of services to such
Recipient under this Services Agreement (including reasonable attorneys’ fees and expenses of investigation, which fees and expenses shall be paid as incurred) except to the extent such Indemnifiable Losses arise out of the willful misconduct
or gross negligence of such Provider or any of its representatives. Subject to the limitations set forth in this Services Agreement, including Section 7.1(a), each Provider hereby agrees to indemnify its respective

  
 15 

 
Recipient and Affiliates thereof from any and all Indemnifiable Losses to the extent resulting from an Action relating to such Provider’s willful misconduct or gross negligence in connection
with the provision of services to such Recipient under this Services Agreement. The procedures for indemnification set forth in Sections 6.4 and 6.5 of the Separation Agreement shall govern any and all claims for indemnification under
this Services Agreement. The Persons entitled to indemnification pursuant to the foregoing shall be third party beneficiaries of the rights to indemnification described in this Section 7.1(b). 

(c) Notwithstanding anything to the contrary contained in this Services Agreement, no Party, Provider, Recipient or any of their respective
Affiliates or representatives shall be liable for any special, indirect, incidental, exemplary, punitive, consequential, remote, speculative or similar damages (including loss of profits or revenue, loss of business, interruption of business or
otherwise) with respect to its performance or nonperformance hereunder, or the provision of or failure to provide any service hereunder, whether such damages or other relief are sought based on breach of contract, negligence, strict liability or any
other legal or equitable relief, and each Party hereby waives on behalf of itself, its Affiliates and its representatives any claim for such damages. 

(d) EACH PARTY, IN ITS CAPACITY AS A RECIPIENT, ACKNOWLEDGES (ON BEHALF OF ITSELF AND THE RECIPIENTS THAT ARE MEMBERS OF ITS GROUP) THAT
(I) THE PROVIDERS ARE NOT COMMERCIAL PROVIDERS OF THE SERVICES PROVIDED HEREIN AND ARE PROVIDING THE SERVICES AS AN ACCOMMODATION AND AT A COST TO THE APPLICABLE RECIPIENT IN CONNECTION WITH THE SEPARATION AND (II) THIS SERVICES AGREEMENT
IS NOT INTENDED BY THE PARTIES TO HAVE ANY APPLICABLE PROVIDER MANAGE AND OPERATE THE APERGY BUSINESS OR DOVER BUSINESS, AS APPLICABLE, IN LIEU OF THE APPLICABLE RECIPIENT. THE PARTIES AGREE THAT THE FOREGOING SHALL BE TAKEN INTO CONSIDERATION IN
ANY CLAIM MADE UNDER THIS SERVICES AGREEMENT. 
 ARTICLE 8 

CONFIDENTIALITY 
 8.1
Notwithstanding any termination of this Services Agreement, from and after the Effective Time until the date that is five years after the date of termination of the Services Agreement, the Parties shall hold, and shall cause each of their respective
Subsidiaries to hold, and shall each cause their respective directors, officers, employees, agents, consultants, advisors, accountants, attorneys, or other representatives to hold, in strict confidence, and not to disclose or release or, except as
otherwise permitted by this Services Agreement, use, including for any ongoing or future commercial purpose, without the prior written consent of the Party to whom the Confidential Information relates (which consent may be withheld in such
Party’s sole and absolute discretion, except where disclosure is required by applicable Law), any and all Confidential Information concerning the other Party (and the members of its respective Group and Business); provided, that the
Parties may disclose, or may permit disclosure of, Confidential Information (i) to their respective employees or agents (including, in the case of any Provider, any Third Party engaged to provide the services hereunder) or consultants who have
a need to 

  
 16 

 
know such Confidential Information for the purpose of this Services Agreement and are informed of their obligation to hold such information confidential to the same extent as is applicable to the
Parties and in respect of whose failure to comply with such obligations, the applicable Party will be responsible, (ii) if the Parties or any of their respective Subsidiaries are required or compelled to disclose any such Confidential
Information by judicial or administrative process or by other requirements of Law or stock exchange rule or (iii) as necessary in order to permit a Party to prepare and disclose its financial statements in connection with any regulatory filings
or Tax Returns; provided further, that each Party (and members of its Group as necessary) may use, or may permit use of, Confidential Information of the other Party in connection with such first Party performing its obligations, or exercising
its rights, under this Services Agreement. Notwithstanding the foregoing, in the event that any demand or request for disclosure of Confidential Information is made pursuant to clause (ii) above, each Party, as applicable, shall promptly notify
(to the extent permitted by applicable Law) the other of the existence of such request or demand and shall provide the other a reasonable opportunity to seek an appropriate protective order or other remedy, which such Parties will cooperate in
obtaining to the extent reasonably practicable. In the event that such appropriate protective order or other remedy is not obtained, the Party that faces the disclosure requirement shall furnish, or cause to be furnished, only that portion of the
Confidential Information that is legally required to be disclosed and shall take commercially reasonable steps to ensure that confidential treatment is accorded such Confidential Information. 

8.2 Notwithstanding anything to the contrary set forth herein, the Parties shall be deemed to have satisfied their obligations hereunder with
respect to Confidential Information if they exercise at least the same degree of care that applies to Dover’s confidential and proprietary information pursuant to policies in effect as of the Effective Time Upon the written request of a Party,
the other Party shall take commercially reasonable actions to promptly (i) deliver to such requesting Party all original Confidential Information (whether written or electronic) concerning such requesting Party and/or its Subsidiaries and
(ii) if specifically requested by such requesting Party, destroy any copies of such Confidential Information (including any extracts therefrom); provided, that such first Party may retain one copy of such Information to the extent required by
applicable Law or professional standards, and shall not be required to destroy any such Information located in back-up, archival electronic storage. Upon the written request of such requesting Party, the other
Party shall cause one of its duly authorized officers to certify in writing to such requesting Party that the requirements of the preceding sentence have been satisfied in full. 

ARTICLE 9 
 MISCELLANEOUS

 9.1 Complete Agreement; Construction. This Services Agreement, the Separation Agreement and the other Ancillary Agreements,
and the exhibits, schedules and annexes hereto and thereto, shall constitute the entire agreement between the Parties with respect to the subject matter hereof and thereof and shall supersede all previous negotiations, commitments and writings with
respect to such subject matter. In the event of any conflict between the terms and conditions of the body of this Services Agreement and the terms and conditions of any Schedule, the terms and conditions of such Schedule shall control.

  
 17 

 
Notwithstanding anything to the contrary in this Services Agreement, the Separation Agreement or any other Ancillary Agreement, in the case of any conflict between the provisions of the
Separation Agreement and the provisions of any Ancillary Agreement, the provisions of the Separation Agreement shall control; provided, however, that in relation to (i) any matters concerning Taxes, the Tax Matters Agreement shall prevail over
the Separation Agreement and any other Ancillary Agreement, (ii) any matters governed by the Employee Matters Agreement, the Employee Matters Agreement shall prevail over the Separation Agreement or any other Ancillary Agreement and
(iii) the provision of support and other services after the Effective Time by the Apergy Group to the Dover Group, and vice versa, this Services Agreement shall prevail over the Separation Agreement or any other Ancillary Agreement. 

9.2 Counterparts. This Services Agreement may be executed in more than one counterparts, all of which shall be considered one and the
same agreement, and shall become effective when one or more such counterparts have been signed by each Party and delivered to the other Party. Execution of this Services Agreement or any other documents pursuant to this Services Agreement by
facsimile or other electronic copy of a signature shall be deemed to be, and shall have the same effect as, an original signature. 
 9.3
Survival of Agreements; Performance. Except as otherwise contemplated by this Services Agreement, all covenants and agreements of the Parties contained in this Services Agreement shall survive the Effective Time and remain in full force and
effect in accordance with their applicable terms. Each Party shall cause to be performed, and hereby guarantees the performance of, all actions, agreements and obligations set forth herein to be performed by any Affiliate of such Party, and with
respect to any services to be provided hereunder by a Provider through a Third Party, the applicable Provider shall use commercially reasonable efforts to enforce any rights that such Provider has against such Third Party to the extent necessary to
ensure that such Third Party performs such services in accordance with the terms of this Services Agreement. 
 9.4 Notices. All
notices, requests, claims, demands and other communications under this Services Agreement shall be in writing and shall be given or made (and shall be deemed to have been duly given or made upon receipt unless the day of receipt is not a Business
Day, in which case it shall be deemed to have been duly given or made on the next Business Day) by delivery in person, by overnight courier service, by e-mail or facsimile with receipt confirmed or by
registered or certified mail (postage prepaid, return receipt requested). For purposes of the giving of notice, Recipients and Providers shall be notified at the addresses listed on the Schedules hereto and Dover and Apergy shall be notified at the
addresses listed below (which a Party may change by giving notice to the other Party in accordance with this Section 9.4): 

  
 18 

 If to Dover: 

Dover Corporation 
 3005
Highland Parkway 
 Downers Grove, Illinois 60515 

Attn: 
 Facsimile: 

E-Mail: 

If to Apergy: 
 Apergy
Corporation 
 [address] 

Attn: 
 Facsimile: 

E-Mail: 

9.5 Waivers. No waiver by any Party of any provision of this Services Agreement shall be effective unless explicitly set forth in
writing and executed by the Party so waiving. The failure of any Party to require strict performance by any other Party of any provision in this Services Agreement (or the waiver of a breach of any provisions of this Services Agreement) will not
waive or diminish that Party’s right to demand strict performance thereafter of that or any other provision hereof or otherwise operate or be construed as a waiver of any other or subsequent breach. 

9.6 Amendments. This Services Agreement may not be modified or amended except by an agreement in writing signed by each of the Parties.

 9.7 Successors and Assigns. 

(a) The provisions of this Services Agreement and the obligations and rights hereunder shall be binding upon, inure to the benefit of and be
enforceable by (and against) the Parties and their respective successors (by merger, acquisition of assets or otherwise) and permitted transferees and assigns to the same extent as if such successor or permitted transferees and assigns had been an
original party to this Services Agreement. Notwithstanding the foregoing, this Services Agreement shall not be assignable, in whole or in part, by any Party without the prior written consent of the other Party, and any attempt to assign any rights
or obligations arising under this Services Agreement without such consent shall be null and void; provided that (i) a Dover Entity may assign any or all of its rights and obligations under this Services Agreement to a direct or indirect
Subsidiary of Dover and an Apergy Entity may assign any or all of its rights and obligations under this Services Agreement to a direct or indirect Subsidiary of Apergy, in each case, for so long as they remain such; provided that no such
assignment shall relieve any Party of any of its obligations hereunder and (ii) a Party may assign this Services Agreement in whole in connection with a bone fide Third Party merger transaction in which such Party is not the surviving entity or
the sale by such Party of all or substantially all of its Assets, and upon the effectiveness of such assignment under this clause (ii) the assigning Party shall be released from all of its obligations under this Services Agreement if the
surviving entity of such merger or the transferee of such Assets shall agree in writing, in form and substance reasonably satisfactory to the other Party, to be bound by the terms of this Services Agreement as if named as a “Party” hereto.

  
 19 

 (b) If any Provider or Recipient is not a party to this Services Agreement, then, at the request
of any Party hereto, the other Party shall cause such Provider or Recipient, as applicable, to become a party hereto by executing and delivering a counterpart hereof agreeing to be bound as a Provider or Recipient, as applicable, hereunder. The
failure of any Person that is receiving benefits or has obligations hereunder to execute a counterpart hereof shall not affect the enforceability of this Services Agreement against such Person or against any other Party hereto. 

9.8 Third Party Beneficiaries. Except as specifically provided in this Services Agreement, this Services Agreement is solely for the
benefit of the Parties and their respective Affiliates after the Effective Time and their permitted successors and assigns, and is not intended to confer upon any Person except the Parties and their respective Affiliates after the Effective Time,
and their permitted successors and assigns, any rights or remedies hereunder; and there are no other third-party beneficiaries of this Services Agreement and this Services Agreement should not be deemed to confer upon Third Parties any remedy,
claim, liability, reimbursement, cause of action or other right in excess of those existing without reference to this Services Agreement. 

9.9 Title and Headings. Titles and headings to Sections and Articles are inserted for the convenience of reference only and are not
intended to be a part of or to affect the meaning or interpretation of this Services Agreement. 
 9.10 Schedules. The Schedules
attached hereto are incorporated herein by reference and shall be construed with and as an integral part of this Services Agreement to the same extent as if the same had been set forth verbatim herein. 

9.11 Governing Law. This Services Agreement shall be governed by and construed in accordance with the internal Laws, and not the Laws
governing conflicts of Laws (other than Sections 5-1401 and 5-1402 of the New York General Obligations Law), of the State of New York. 

9.12 Consent to Jurisdiction. Subject to the provisions of Article VIII of the Separation Agreement, each of the Parties irrevocably
submits to the exclusive jurisdiction of (a) the Supreme Court of the State of New York, New York County, and (b) the United States District Court for the Southern District of New York (the “New York Courts”), for the
purposes of any Action to compel arbitration or for provisional relief in aid of arbitration in accordance with Article VIII of the Separation Agreement or for provisional relief to prevent irreparable harm, and to the
non-exclusive jurisdiction of the New York Courts for the enforcement of any award issued thereunder. Each of the Parties further agrees that service of any process, summons, notice or document by United
States registered mail to such Party’s respective address set forth in Section 9.4 shall be effective service of process for any Action in the New York Courts with respect to any matters to which it has submitted to
jurisdiction in this Section 9.12. Each of the Parties irrevocably and unconditionally waives any objection to the laying of venue of any Action arising out of this Services Agreement or the transactions contemplated hereby
in the New York Courts, and hereby further irrevocably and unconditionally waives and agrees not to plead or claim in any such court that any such Action brought in any such court has been brought in an inconvenient forum. 

  
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 9.13 Dispute Resolution; Continuation of Services Pending Outcome of Dispute. Except with
respect to disputes covered by Sections 3.6(c) and 3.6(d), the resolution of any dispute between the Parties with respect to this Services Agreement shall be governed by the provisions of the Separation Agreement
with respect to the resolution of disputes, including the provisions of Article VIII of the Separation Agreement. Notwithstanding the existence of any dispute between the Parties, no Provider shall discontinue the supply of any service provided for
herein, unless so provided in an arbitral determination that the respective Recipient is in default of obligation under this Services Agreement. 

9.14 Specific Performance. The Parties agree that irreparable damage would occur in the event that the provisions of this Services
Agreement were not performed in accordance with their specific terms. Accordingly, subject to Section 9.13 it is hereby agreed that the Parties shall be entitled to (i) an injunction or injunctions to enforce
specifically the terms and provisions hereof in any arbitration in accordance with Article VIII of the Separation Agreement, (ii) provisional or temporary injunctive relief in accordance therewith in any New York Court, and
(iii) enforcement of any such award of an arbitral tribunal or a New York Court in any court of the United States, or any other any court or tribunal sitting in any state of the United States or in any foreign country that has jurisdiction,
this being in addition to any other remedy or relief to which they may be entitled. 
 9.15 Waiver of Jury Trial.
SUBJECT TO SECTIONS 9.12, 9.13 AND 9.14, EACH OF THE PARTIES HEREBY WAIVES TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY WITH RESPECT TO ANY COURT PROCEEDING PERMITTED HEREUNDER. EACH OF THE PARTIES
HEREBY (A) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF THE OTHER PARTY HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER AND
(B) ACKNOWLEDGES THAT IT HAS BEEN INDUCED TO ENTER INTO THIS SEPARATION AGREEMENT AND THE TRANSACTIONS CONTEMPLATED BY THIS SEPARATION AGREEMENT, AS APPLICABLE, BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 9.15.

 9.16 Severability. In the event any one or more of the provisions contained in this Services Agreement should be held invalid,
illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein shall not in any way be affected or impaired thereby, and the Parties shall endeavor in good-faith negotiations to
replace the invalid, illegal or unenforceable provisions with valid provisions, the economic effect of which comes as close as possible to that of the invalid, illegal or unenforceable provisions. 

9.17 Construction. The Parties have participated jointly in the negotiation and drafting of this Services Agreement. This Services
Agreement shall be construed without regard to any presumption or rule requiring construction or interpretation against the party drafting or causing any instrument to be drafted. 

  
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 9.18 Authorization. Each of the Parties hereby represents and warrants that it has the
power and authority to execute, deliver and perform this Services Agreement, that this Services Agreement has been duly authorized by all necessary corporate action on the part of such Party, that this Services Agreement constitutes a legal, valid
and binding obligation of each such Party enforceable against it in accordance with its terms, subject to applicable bankruptcy, insolvency, reorganization, moratorium or other similar Laws affecting creditors’ rights generally and general
equity principles. 
 9.19 Independent Contractors. The Parties each acknowledge that they are separate entities, each of which has
entered into this Services Agreement for independent business reasons. The relationships of the Parties hereunder (and the respective Providers and Recipients) are those of independent contractors and nothing contained herein shall be deemed to
create a joint venture, partnership or any other relationship. Employees performing services hereunder do so on behalf of, under the direction of, and as employees of, the Provider, and the Recipient shall have no right, power or authority to direct
such employees. 
 [SIGNATURE PAGES FOLLOW] 

  
 22 

 IN WITNESS WHEREOF, the duly authorized officers or representatives of the parties hereto have
duly executed this Services Agreement as of the date first written above. 
  

			
	DOVER CORPORATION
		
	By:	 	 
		 	Name:
		 	Title:

  

			
	APERGY CORPORATION
		
	By:	 	 
		 	Name:
		 	Title:

  
 [Signature Page to
Transition Services Agreement]EX-10.2

 Exhibit 10.2 

TAX MATTERS AGREEMENT 
 Between

 DOVER CORPORATION 
 on behalf
of itself 
 and the DOVER AFFILIATES 

and 
 APERGY CORPORATION 

on behalf of itself 
 and the APERGY
AFFILIATES 

 This Tax Matters Agreement (the “Agreement”) is entered into as of the
[    ] day of [        ], 2018, between Dover Corporation (“Dover”), a Delaware corporation, and Apergy Corporation (“Apergy”), a Delaware corporation.

 R E C I T A L S: 
 WHEREAS,
the board of directors of Dover has determined that it is appropriate and advisable to: (i) separate the Apergy Business (defined below) from Dover’s remaining businesses (the “Separation”), which will include the separation of
the assets (including interests in intangible assets and stock of subsidiaries) used in connection with the Apergy Business from the remaining assets of the Dover Group through various contributions and distributions leading to the transfer of such
assets to Apergy (the “Contribution”); and (ii) following the Contribution, a distribution, on a pro rata basis, to holders of common shares, par value $1.00 per share, of Dover of all of the outstanding shares of common stock, par
value $0.01 per share, of Apergy owned by Dover (the “Distribution”) (the date of such Distribution, the “Distribution Date”); 

WHEREAS, Dover and Apergy intend that the Contribution and Distribution and certain other transactions effected as part of the Separation
qualify as Tax-free under Sections 355 and 361 of the Internal Revenue Code of 1986, as amended (the “Code”) and the treasury regulations thereunder (“Treasury Regulations”), and that
certain internal transactions undertaken in anticipation of the Contribution and Distribution qualify for Tax-free status, as set forth in one or more Tax Opinions (defined below) or Tax Rulings (defined
below); 
 WHEREAS, as of the date hereof and prior to the completion of the Distribution, Dover is the common parent of an affiliated group
of domestic corporations, including Apergy, that has elected to file consolidated U.S. federal income Tax Returns (defined below) and, as a result of the Distribution, neither Apergy nor any of its Affiliates (defined below) will be a member of such
group after the close of the Distribution Date; 
 WHEREAS, Dover and Apergy desire to allocate the responsibilities for various Taxes
(defined below) of the Dover Group (defined below) and the Apergy Group (defined below) for periods prior to and after the Distribution; and 

WHEREAS, Dover and Apergy desire to allocate the responsibilities for certain Tax liabilities incurred in connection with the transactions
involved in the Separation, Contribution and Distribution, including transactions occurring after the Effective Time. 
 NOW, THEREFORE, in
consideration of the mutual agreements, provisions and covenants contained in this Agreement, Dover and Apergy (each on behalf of itself, each of its Affiliates as of the Effective Time, and its future Affiliates) hereby agree as follows: 

ARTICLE I 
 DEFINITIONS

 Section 1.01 Definitions. Reference is made to Section 5.16 of this Agreement regarding the interpretation of
certain words and phrases used in this Agreement. Capitalized terms used in this Agreement and not defined in this Section 1.01 shall have the meanings assigned to them in the Distribution Agreement (defined below). In addition, for the purpose
of this Agreement, the following terms shall have the meanings set forth below. 

 “Affiliate” means, when used with respect to a specified Person, a Person that directly
or indirectly, through one or more intermediaries, controls, is controlled by or is under common control with such specified Person. For the purposes of this definition and the definition of “Subsidiary”, “control” (including the
correlative meanings “controlled by” and “under common control with”), when used with respect to any specified Person, shall mean 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 or other interests, by Contract or otherwise. From and after the Effective Time, and for purposes of this Agreement and the Ancillary Agreements, no Party or
member of its Group shall be deemed to be an Affiliate of the other Party or such other Party’s Group solely by reason of having one or more directors in common or by reason of having been under common control of Dover or Dover’s
stockholders prior to, or in the case of Dover’s stockholders, after, the Effective Time. 

“After-Tax Amount” means, with respect to any payment under this Agreement, an additional
amount necessary to reflect the increase in Tax that would result from the receipt or accrual of any payment, using the maximum statutory rate (or rates, in the case of an item that affects more than one Tax) applicable to the recipient of such
payment (as increased by the After-Tax Amount) for the relevant taxable periods, whether or not an actual increase occurs, and reflecting any Tax savings available to the recipient. 

“Agreement” has the meaning set forth in the Preamble. 

“Ancillary Agreements” shall mean all of the written Contracts or other arrangements (other than this Agreement and other than any
Contract to which a Third Party is a party) entered into by any member of the Dover Group, on the one hand, and any member of the Apergy Group, on the other hand, in connection with the Separation, the Distribution or the other transactions
contemplated hereby, including the Transfer Documents, the Reorganization Documents, the Distribution Agreement, the Transition Services Agreement, the Employee Matters Agreement and the Continuing Arrangements. 

“Apergy” has the meaning set forth in the Preamble. 

“Apergy Assets” has the meaning set forth in the Distribution Agreement. 

“Apergy Business” has the meaning set forth in the Distribution Agreement. 

“Apergy Group” means Apergy and each Person identified on Schedule 1.1(19) of the Distribution Agreement, and each Person who
is or becomes an Affiliate of Apergy at or after the Effective Time. 
 “Apergy Taxes” has the meaning ascribed to such term in
Section 2.01(b). 
 “Applicable Corporation” has the meaning has the meaning ascribed to such term in
Section 4.02(a)(iii). 

  
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 “Business Day” has the meaning set forth in the Distribution Agreement. 

“Business Entity” has the meaning set forth in the Distribution Agreement. 

“Code” has the meaning ascribed to such term in the second WHEREAS clause hereof. 

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

“Continuing Arrangements” has the meaning set forth in the Distribution Agreement. 

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

“Contribution” has the meaning ascribed to such term in the first WHEREAS clause hereof. 

“Corresponding Portion of the Tax Detriment” means the product of the Tax Detriment and a fraction the numerator of which is the
amount of the related Tax Benefit for a taxable period and the denominator of which is the sum of the related Tax Benefits for all of the relevant taxable periods. 

“Covered Transaction Tax” means (i) liabilities sustained by Dover or Apergy as a result of the Distribution failing to qualify
as Tax-free to the Dover shareholders pursuant to Section 355(a) of the Code; and (ii) federal, state, local, and foreign Tax imposed by any Tax Authority on Dover or any Dover Affiliate or Apergy or
any Apergy Affiliate as a result of (x) the failure of any of the transactions described in any Tax Opinion (including each Internal Distribution) to be treated as provided in such opinion; or (y) the failure of any of the Ruling
Transactions to be treated as provided in such rulings; and (iii) any other Indemnifiable Losses incurred by a member of the Dover Group or the Apergy Group (determined after the Separation) in connection with the liabilities or Taxes described
in subclauses (i) and (ii) (each of subclauses (i) through (iii), a “Covered Transaction Tax”). 

“Determination” means (i) with respect to U.S. federal income Taxes, a “determination” as defined in
Section 1313(a) of the Code and, with respect to Taxes other than U.S. federal income Taxes, any decision, judgment, decree or other order by a court of competent jurisdiction that, under applicable Law, is not subject to further appeal, review
or modification through proceedings or otherwise; (ii) the execution of an IRS Form 870-AD (or successor form) or other closing agreement or accepted offer in compromise under Sections 7121 or 7122 of the
Code, or a comparable agreement under the Laws of a state, local, or foreign taxing jurisdiction; (iii) a final settlement resulting from a competent authority determination; (iv) any other final disposition, by mutual agreement of the
Parties or by reason of the expiration of a statute of limitations or period for the filing of claims for refunds, amended Tax Returns, or appeals from adverse determinations; or (v) the payment of, or incurring liability for, Tax with respect
to which the Party responsible for such Tax under this Agreement determines that no action should be taken to recoup such payment or contest such liability. 

“Distribution” has the meaning ascribed to such term in the first WHEREAS clause hereof. 

  
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 “Distribution Agreement” means the Separation and Distribution Agreement entered into
by and between Dover and Apergy on the date hereof, as the same may be amended. 
 “Distribution Date” has the meaning ascribed to
such term in the first WHEREAS clause hereof. 
 “Dover” has the meaning set forth in the Preamble. 

“Dover Group” means (i) Dover and each of its Subsidiaries immediately following the Effective Time and (ii) each other
Person who is or becomes an Affiliate of Dover at or after the Effective Time, in each case, for the avoidance of doubt, other than the members of the Apergy Group. 

“EMA” means the Employee Matters Agreement, as defined in the Distribution Agreement. 

“Effective Time” has the meaning set forth in the Distribution Agreement. 

“Employment Taxes” means withholding, payroll, social security, workers compensation, unemployment, disability, and other similar
taxes together with any interest, penalties, additions to tax, or additional amounts with respect thereto imposed by any Tax Authority on any taxpayer or consolidated, combined, or unitary group of taxpayers. 

“Filing Group” means (i) the Dover Group in the case of a Tax Return required to be filed by a member of the Dover Group
(determined following the Separation) under applicable Law, or (ii) the Apergy Group in the case of a Tax Return required to be filed by a member of the Apergy Group under applicable Law. 

“Filing Group Parent” means (i) Dover, in the case the Dover Group is the Filing Group, or (ii) Apergy, in the case the
Apergy Group is the Filing Group. 
 “Group” means the Dover Group or the Apergy Group, as applicable. 

“Governmental Entity” has the meaning set forth in the Distribution Agreement. 

“Indemnified Party” has the meaning ascribed to such term in Section 5.19(a). 

“Indemnifiable Loss” has the meaning set forth in the Distribution Agreement. 

“Indemnifying Party” has the meaning ascribed to such term in Section 5.19(a). 

“Internal Distribution” means any distribution described in any Tax Ruling or Tax Opinion of the stock of a foreign or U.S.
subsidiary, other than the Distribution, for which rulings or opinions were requested and that was purported or intended to qualify, in whole or in part, as tax-free to the distributing corporation under
Sections 355(c) and/or Section 361(c) of the Code. 
 “IRS” means the United States Internal Revenue Service. 

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

“Liabilities” shall mean all obligations, responsibilities, response actions, losses, damages (whether compensatory, punitive,
consequential, incidental, treble or other), fines, penalties and sanctions, whether absolute or contingent, matured or unmatured, liquidated or unliquidated, foreseen or unforeseen, reserved or unreserved, joint, several or individual, asserted or
unasserted, accrued or unaccrued, known or unknown, determined or determinable, whenever and however arising, including those arising under or in connection with any Law or other pronouncements of Governmental Entities having the effect of Law,
Actions, threatened Actions, order or consent decree of any Governmental Entity or any award of any arbitration tribunal, and those arising under any Contract, whether based in contract, tort, implied or express warranty, strict liability, criminal
or civil statute, or otherwise, and including any costs, expenses, interest, attorneys’ fees, disbursements and expenses of counsel, expert and consulting fees and costs related thereto or to the investigation or defense thereof, and whether or
not the same would be required by generally accepted accounting principles and accounting policies to be reflected in financial statements or disclosed in the notes thereto. 

“Non-Filing Group” means (i) the Apergy Group, in the case of a Tax Return required to
be filed by a member of the Dover Group (determined following the Separation) under applicable Law, or (ii) the Dover Group, in the case of a Tax Return required to be filed by a member of the Apergy Group under applicable Law. 

“Non-Filing Group Parent” means (i) Dover, in the case where the Dover Group is the Non-Filing Group, and (ii) Apergy, in the case where the Apergy Group is the Filing Group. 

“Parties” means the parties to this Agreement. 

“Past Practices” has the meaning ascribed to such term in Section 2.04(e). 

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

“Post-Distribution Period” means any taxable period or portion of a taxable period beginning after the Distribution Date. 

“Pre-Distribution Period” means any taxable period or portion of a taxable period ending on
or before the Distribution Date. 
 “Prime Rate” has the meaning set forth in the Distribution Agreement. 

“Privilege” means any privilege that may be asserted under applicable Law, including any privilege arising under or relating to the
attorney-client relationship (including the attorney-client and work product privileges), the tax practitioner privilege and any privilege relating to internal evaluation processes. 

“PTI” has the meaning ascribed to such term in Section 2.01(b)(i)(B)(II). 

“Remitting Party” has the meaning ascribed to such term in Section 5.19(b). 

  
 - 5 - 

 “Reorganization Documents” has the meaning set forth in the Distribution Agreement.

 “Responsible Party” has the meaning ascribed to such term in Section 5.19(b). 

“Ruling Transactions” means the transactions described in the Tax Rulings. 

“Section 336(e) Election” has the meaning set forth in Section 4.04. 

“Section 355(e) Event” means, with respect to a member of the Dover Group or the Apergy Group, any event after the Distribution
involving a direct or indirect acquisition by one or more Persons of a 50% or greater interest, within the meaning of Section 355(e)(2)(A)(ii), of Stock Interests of any member of the Dover Group or of assets of any member of the Dover
Group, or of any member of the Apergy Group or of assets of any member of the Apergy Group, respectively, that causes the Distribution or any Internal Distribution to be a taxable event to any member of the Dover Group as the result of the
application of Section 355(e) or (f) of the Code. 
 “Separation” has the meaning ascribed to such term in the first
WHEREAS clause hereof. 
 “Specified Action” has the meaning ascribed to such term in Section 4.02(a). 

“Straddle Period” means any taxable period beginning on or before the Distribution Date and ending after the Distribution Date. 

“Stock Interests” means (a) all classes or series of outstanding capital stock or other equity (and instruments treated as
equity) of an issuer for U.S. federal income tax purposes, and (b) all options, warrants and other rights to acquire such stock or equity. 

“Subsidiary” means with respect to any Person (i) a corporation, fifty percent (50%) or more of the voting or capital stock of
which is, as of the time in question, directly or indirectly owned by such Person and (ii) any other Business Entity in which such Person, directly or indirectly, owns fifty percent (50%) or more of the equity or economic interest thereof or
has the power to elect or direct the election of fifty percent (50%) or more of the members of the governing body of such entity or otherwise has control over such entity (e.g., as the managing partner of a partnership). 

“Tax” means: (i) any income, net income, gross income, gross receipts, profits, capital stock, franchise, property, ad valorem,
stamp, excise, severance, occupation, service, sales, use, license, lease, transfer, import, export, customs duties, value added, alternative minimum, estimated or other similar tax (including any fee, assessment, or other charge in the nature of or
in lieu of any tax) together with any interest, penalties, additions to tax or additional amounts with respect thereto imposed by any Tax Authority on any taxpayer or consolidated, combined or unitary group of taxpayers; (ii) any Employment
Tax; and (iii) any unclaimed property or property subject to escheatment, together with any interest or penalties with respect thereto. For this purpose, “unclaimed property” or “property subject to escheatment” means
property subject to custody under any unclaimed property Law including any credit account carried on the books and records of any member of the Dover Group or the Apergy Group including uncashed employee pay checks, uncashed checks to vendors,
customer overpayments or credits, unused gift certificates, unidentified remittances, and any other similar account with a credit balance. 

  
 - 6 - 

 “Tax Attributes” means net operating losses, capital losses, earnings and profits,
overall foreign losses, previously taxed income, separate limitation losses, and all other tax attributes. 
 “Tax Authority”
means, with respect to any Tax, the Governmental Entity or political subdivision thereof that imposes such Tax, and the agency (if any) charged with the collection of such Tax for such entity or subdivision. 

“Tax Benefit” means the reduction in Tax that should result from any item of loss, deduction (including from depreciation or
amortization), or credit (or any other item), whether or not an actual reduction in Tax occurs, including any interest with respect thereto or interest that would have been payable but for such item, net of any Tax on such interest. For purposes of
calculating the amount of any Tax Benefit, the maximum statutory rate (or rates, in the case of an item that affects more than one Tax) applicable to each item of income, gain, loss, deduction, or credit (or any other item) shall be used. 

“Tax Contest” means an audit, review, examination, or any other administrative or judicial proceeding with the purpose or effect of
redetermining any Tax (including any administrative or judicial review of any claim for refund). 
 “Tax Detriment” means the
increase in Tax that should result from any item of income or gain (or any other item), whether or not an actual increase in Tax occurs, including any interest with respect thereto, net of any Tax savings attributable to such interest. For purposes
of calculating the amount of any Tax Detriment, the maximum statutory rate (or rates, in the case of an item that affects more than one Tax) applicable to each item of income, gain, loss, deduction, or credit (or any other item) shall be used. 

“Tax Opinion” means any opinion on the United States federal income taxation of certain matters involved in the Separation,
Contribution and the Distribution and related transactions provided by McDermott Will & Emery LLP to Dover. 
 “Tax
Records” means all records relating to any Tax, including Tax Returns, journal vouchers, cash vouchers, general ledgers, material contracts, Tax Return workpapers and schedules, appraisal reports, authorizations for expenditures, and documents
relating to rulings or other Determinations by any Tax Authority. 
 “Tax Return” means any report of Tax due, any claims for
refund of Tax paid, any information return with respect to Tax, any election made with respect to Tax, or any other similar report, statement, declaration, or document required to be filed under the Code or other Law with respect to Tax, including
any attachments, exhibits, or other materials submitted with any of the foregoing, and including any amendments or supplements to any of the foregoing for any taxpayer or consolidated, combined, or unitary group of taxpayers. 

“Tax Ruling” means each ruling issued by a Tax Authority pursuant to a ruling request filed on behalf of Dover and/or an Affiliate
of Dover (including for this purpose an member of the Apergy Group) prior to the Effective Time with respect to a transaction or transactions undertaken in connection with the Separation, Contribution and Distribution, together with all supplemental
filings and exhibits thereto. 

  
 - 7 - 

 “Third Party” has the meaning set forth in the Distribution Agreement. 

“Transfer Documents” has the meaning set forth in the Distribution Agreement. 

“Transition Services Agreement” has the meaning set forth in the Distribution Agreement. 

“Transition Tax” means any Tax resulting from the treatment of accumulated post-1986 deferred foreign income as Subpart F income
pursuant to Section 965 of the Code. 
 “Treasury Regulations” has the meaning ascribed to such term in the second WHEREAS
clause hereof. 
 ARTICLE II 

RESPONSIBILITY FOR TAX 

Section 2.01 Responsibility for Tax. Subject to the terms and conditions of Schedule 2.01 hereof: 

(a) Except as specifically provided in any of the agreements contemplated by the Distribution Agreement, including the EMA with respect to
Employment Taxes, Dover shall be responsible for, and shall indemnify and hold harmless the Apergy Group from any liability for (i) any Taxes of Dover or any of its Affiliates (determined before the Separation) for any Pre-Distribution Period and, with respect to a Straddle Period, the portion of such period ending on the Distribution Date; and (ii) any Covered Transaction Tax for which Dover is responsible under
Section 3.01(a), in each case other than Taxes or other amounts for which Apergy is responsible under Section 2.01(b). 
 (b)
Except as specifically provided in any of the agreements contemplated by the Distribution Agreement, including the EMA with respect to Employment Taxes, Apergy shall be responsible for, and shall indemnify and hold harmless the Dover Group from any
liability for (i) the amount of Taxes attributable to any member of the Apergy Group for any taxable period, including (A) any Tax imposed by any Tax Authority on a member of the Apergy Group for any taxable period including Employment
Taxes imposed on Apergy or any Apergy Affiliate as a transferee of employees of any member of the Dover Group in connection with the Separation, and (B) (I) any Transition Tax imposed on the Dover Group resulting from accumulated post-1986
deferred foreign income of non-U.S. members of the Apergy Group; and (II) any Transition Tax imposed on the Dover Group resulting from accumulated post-1986 deferred foreign income of non-U.S. members of the Dover Group that corresponds with previously taxed earnings and profits (within the meaning of Section 959 of the Code) (“PTI”) of such
non-U.S. members of the Dover Group allocated to the Apergy Group pursuant to Section 2.02(c)(ii); each of the amounts of Transition Tax described in this Section 2.01(b)(i)(B) shall be determined by
Dover in its sole discretion in accordance with general tax principles as provided in Appendix A; (ii) one-half of the aggregate amount of Taxes (including income Taxes) imposed on a member of the Dover
Group or the Apergy Group (determined following the Separation) arising from, or attributable to, any direct or indirect transfer of assets (including 

  
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stock) or liabilities in the Separation (other than a Covered Transaction Tax) and including such transfers contemplated to occur after the Effective Time other than such amounts recoupable by a
member of the Dover Group; (iii) any Covered Transaction Tax for which Apergy is responsible under Section 3.01(b); (iv) any Tax (other than a Covered Transaction Tax) imposed on Dover or a Dover Affiliate as a result of an action
undertaken, or a failure to act, by Apergy or a Apergy Affiliate after the Effective Time (other than resulting from a Tax Contest); and (v) except to the extent related to a Covered Transaction Tax, any gain recognized or recapture of income
(including under any gain recognition agreement entered into by Dover or any Dover Affiliate in accordance with Treasury Regulations Section 1.367(a)-8) in relation to an action, or failure to act, of a
member of the Apergy Group arising under any Tax Law. All items for which Apergy is responsible under this Section 2.01(b) shall be referred to as “Apergy Taxes.” For the avoidance of doubt, the inclusion or taking into account of any
income or gain by Dover or any Dover Affiliate or Apergy or any Apergy Affiliate under Treasury Regulations Sections 1.1502-13 or 1.1502-19 (or any corresponding
provisions of other applicable Tax Laws) as a result of the Separation and Distribution (other than as a result of income or gain arising in a Covered Transaction Tax) shall be considered the occurrence of an event for which the relevant Party is
entitled to receive indemnification pursuant to Section 2.01(b)(ii). For purposes of this Section 2.01(b)(i) and (ii), the amount of Taxes for which Apergy is responsible shall not include any amounts that have previously been taken into
account as a reduction of the Apergy Assets transferred pursuant to Section 2.2(a) of the Distribution Agreement. 
 (c) The amount of
Taxes attributable to the Apergy Group or the Dover Group (i.e., the Non-Filing Group) in the Tax Return filed by a member of the other group (i.e., the Filing Group) will be determined by treating the Non-Filing Group as if it filed the relevant Tax Return on a standalone basis in a manner consistent with Past Practices, using the maximum statutory tax rate in effect for the taxable period and utilizing only the
tax losses and other Tax Attributes of such Non-Filing Group reflected on the Filing Group’s Tax Return for the taxable period in question which produces a Tax Benefit during such taxable period to the
Filing Group. Notwithstanding the foregoing, for purposes of determining the amount of Taxes attributable to the Apergy Group under Section 2.01(b) upon a Determination (other than as a result of the expiration of the statute of limitations)
with respect to any Tax Return for which the Apergy Group is the Non-Filing Group, the amount of such Taxes shall be determined pursuant to Section 2.02(b)(v). 

(d) The Tax incurred in Straddle Periods shall be separated into a Pre-Distribution Period and a
Post-Distribution Period by treating the day including the Effective Time as the termination of the Pre-Distribution Period and the day immediately following the day including the Effective Time as the
commencement of the Post-Distribution Period, whether or not allowed under applicable Law, and the Tax attributable to the Non-Filing Group for the Pre-Distribution
Period shall be determined by applying the principles of Section 2.01(c). 
 Section 2.02 Refunds, Tax Benefits, and Other
Allocations 
 (a) Refunds and Carrybacks. 

(i) Dover Refunds. Except as provided in Section 2.02(a)(iv) below, Dover shall be entitled to all refunds (including refunds paid by
means of a credit against other or future Tax liabilities) with respect to any Tax for which Dover is responsible under Section 2.01. 

  
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 (ii) Apergy Refunds. Except as provided in Section 2.02(a)(iv) below, Apergy shall be
entitled to all refunds (including refunds paid by means of a credit against other or future Tax liabilities) with respect to any Tax for which Apergy is responsible under Section 2.01 other than for a Tax Return for a taxable period for which
the Dover Group is the Filing Group. 
 (iii) Payment of Refunds. Except as provided in Section 2.02(a)(iv), Apergy shall forward to
Dover, or reimburse Dover for, any refunds due Dover (pursuant to the terms of this Section 2.02(a)) after receipt thereof (less any Tax Detriment attributable to such refunds), and Dover shall forward to Apergy, or reimburse Apergy for, any
refunds due Apergy (pursuant to the terms of this Section 2.02(a)) after receipt thereof (less any Tax Detriment attributable to such refunds). In the case of a refund received in the form of a credit against other or future Tax liabilities,
reimbursement with respect to such refund shall be due in each case within thirty (30) days after the due date for payment of the Tax against which such refund has been credited. Any payment required to be made pursuant to this
Section 2.02(a)(iii) shall be made within thirty (30) days of the receipt of the refund. If Dover reasonably so requests, Apergy, at Dover’s expense, shall file for and pursue any refund to which Dover is entitled under this
Section 2.02(a), provided that the foregoing does not have a material adverse impact on the Apergy Group, as reasonably determined by Apergy. If Apergy reasonably so requests, Dover, at Apergy’ expense, shall file for and pursue any refund
to which Apergy is entitled under this Section 2.02(a), provided that the foregoing does not have a material adverse impact on the Dover Group, as reasonably determined by Dover. The Party making a payment pursuant to this
Section 2.02(a)(iii) must deliver with the payment a statement describing in reasonable detail the basis for the calculation of the amount being paid. 

(iv) Carrybacks. 
 (1) The Non-Filing Group shall be entitled to any refund of, or credit against, the Filing Group’s Tax for a Pre-Distribution Period resulting from carrying back any item of
loss, deduction or credit that arises in any Post-Distribution Period of the Non-Filing Group only to the extent that (A) the Filing Group has no item of loss, deduction, or credit that can be carried
back to such taxable period and (B) such carryback does not have a material adverse impact on the Filing Group, as reasonably determined by the Filing Group. If the Filing Group receives any such refund (or benefit of such credit), it shall pay
the portion thereof to which Non-Filing Group is entitled within thirty (30) days of the later of (C) a Determination with respect to the Filing Group’s Tax for such Pre-Distribution Period or (D) a Determination with respect to the Non-Filing Group’s Tax for the Post-Distribution Period that gave rise to the refund received by
the Filing Group (or to the credit against the Filing Group’s Tax); provided, however, that if the Non-Filing Group Parent provides the Filing Group Parent with a letter of credit in a form
reasonably acceptable to the Filing Group Parent and issued by a major money center commercial bank reasonably acceptable to the Filing Group Parent not expiring before the later of clause (C) or (D) of this Section 2.02(a)(iv)(1), then
the Filing Group Parent shall pay to the Non-Filing Group Parent that portion of the refund (or credit against Tax) covered by the letter of credit no later than thirty (30) days after receipt of the
refund (or, in the case of a credit, the filing of the Tax Return that includes such credit) or of the letter of credit, whichever is later. 

  
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 (2) If the Non-Filing Group has a loss or other Tax
Attribute for any Post-Distribution Period that is to be carried back to any Pre-Distribution Period, the Non-Filing Group Parent shall notify the Filing Group Parent
that such item should be carried back. Such notification shall include a description in reasonable detail of the grounds for the refund and the amount thereof, and a certification by an appropriate officer of the
Non-Filing Group Parent setting forth the Non-Filing Group’s belief, based on a thorough examination of the facts and Tax Law relating to the intended Tax treatment
of such item, that (A) the intended Tax treatment of such item is supported by “substantial authority” within the meaning of Section 6662 of the Code (and the Treasury Regulations thereunder) or, where applicable, any analogous
provision of state, local or foreign Law and (B) the transaction has economic substance for purposes of Section 7701 of the Code and any analogous provision of state, local or foreign Law. The Filing Group Parent, at the Non-Filing Group Parent’s expense, shall cooperate with the Non-Filing Group in connection with the filing and processing of any
Non-Filing Group carryback and shall provide the Non-Filing Group Parent with copies of all correspondence related thereto. 

(3) If the Filing Group Parent pays any amount to the Non-Filing Group Parent under
Section 2.02(a)(iv)(1) and, as a result of a subsequent Determination, the Non-Filing Group is not entitled to all or any part of such amount, the Filing Group Parent shall notify the Non-Filing Group Parent of the amount to be repaid to the Filing Group Parent and provide a description in reasonable detail of the manner in which such amount was calculated. The
Non-Filing Group Parent shall pay such amount to the Filing Group Parent within thirty (30) days of such notification. 

(4) Any payment required to be made by the Filing Group Parent pursuant to this Section 2.02(a)(iv) shall bear interest at the Prime
Rate plus two percent from the date a refund is received by Filing Group. Any payment required to be made by the Non-Filing Group Parent pursuant to this Section 2.02(a)(iv) shall bear interest at the
Prime Rate plus two percent beginning thirty (30) days after the Filing Group Parent notifies the Non-Filing Group Parent of the amount to be repaid. Such interest shall be paid at the same time as the
payment to which it relates. 
 (b) Effect of Audit Adjustments. 

Notwithstanding Section 2.01 — 

(i) Payments by Apergy to Dover. Except as provided in Section 3.01(b), if as a result of a Determination, any adjustment shall be made
to any Tax Return for a taxable period relating, in whole or in part, to Tax for which any member of the Dover Group (determined following the Separation) is responsible, and if such adjustment results in both (x) a Tax Detriment to any member
of the Dover Group for the taxable period and (y) a Tax Benefit to any member of the Apergy Group for any taxable period, then Apergy shall pay to Dover an amount equal to the lesser of the Tax Benefit for each taxable period and the
Corresponding Portion of the Tax Detriment. For the avoidance of doubt, this Section 2.02(b)(i) shall apply to 

  
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any adjustment under Section 482 of the Code or any similar provisions by any Tax Authority increasing the amount of payments received or deemed received by any member of the Dover Group
from any member of the Apergy Group. For purposes of determining the Tax Benefit, the Tax Benefit shall be calculated based solely on the Tax Benefit realized by the relevant Apergy Group member directly affected by the Determination. 

(ii) Payments by Dover to Apergy. If as a result of a Determination, any adjustment shall be made to any Tax Return for a taxable period
relating, in whole or in part, to Tax for which any member of the Apergy Group is responsible, and if such adjustment results in both (x) a Tax Detriment to any member of the Apergy Group for the taxable period and (y) a Tax Benefit to any
member of the Dover Group for any taxable period, then Dover shall pay to Apergy an amount equal to the lesser of the Tax Benefit for such taxable period and the Corresponding Portion of the Tax Detriment. For the avoidance of doubt, this
Section 2.02(b)(ii) shall apply to any adjustment under Section 482 of the Code or any similar provisions by any Tax Authority increasing the amount of payments received or deemed received by any member of the Apergy Group from any member
of the Dover Group. For purposes of determining the Tax Benefit, the Tax Benefit shall be calculated based solely on the Tax Benefit realized by the relevant Dover Group member directly affected by the Determination. 

(iii) Payments by Apergy to Dover with respect to a Combined, Unitary, or Similar Tax. Notwithstanding any other provision of this
Section 2.02(b), if as a result of a Determination, any member of the Dover Group incurs a Tax Detriment for a taxable period resulting from a combination of one or more members of the Dover Group with one or more members of the Apergy Group in
a jurisdiction (for example, through a combined, unitary, or similar Tax), where such members filed (or are deemed to have filed) Tax Returns without such combination in such jurisdiction for such taxable period, then Apergy shall pay Dover the
amount of any such Tax Detriment. For purposes of this Section 2.02(b)(iii), Tax Detriment shall be calculated using a “with and without” methodology. 

(iv) Timing of Payments. Any payment required to be made pursuant to this Section 2.02(b), shall be made the later of (x) thirty
(30) days after the Determination that results in such payment pursuant to this Section 2.02(b) and (y) the earlier of (I) the due date of the Tax Return that includes the Tax Benefit that gives rise to the requirement for such
payment and (II) the date the Tax Benefit is recognized in the financial statements of the Party making the payment. 
 (v)
Determination of Tax Detriment. Notwithstanding any other provision of this Agreement (except for Section 2.02(b)(iii)), the amount of a Tax Detriment with respect to income taxes attributable to the Apergy Group as a result of a Determination
with respect to a Tax Return for a taxable period that includes both members of the Apergy Group and Dover Group (determined following the Distribution) shall be the aggregate of the adjustments to income of members of the Apergy Group resulting
from such Determination (whether positive or negative) multiplied by the maximum statutory tax rate in effect for the taxable period in the relevant jurisdiction also taking into account adjustments of Tax credits in such Determination;
provided, however, that (x) in no event shall such Tax Detriment be less than zero and (y) any Tax Detriment to any member of the Apergy Group for a taxable period attributable to a combination of one or more members of the
Dover Group with one or more members of the Apergy Group in a jurisdiction, where such members filed Tax Returns without such combination in such jurisdiction for such taxable period, shall be borne by the Apergy Group. 

  
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 (c) Other Allocations 

(i) Research and Experimentation Credit Base Period. Dover shall reasonably make the allocations to Apergy required under
Section 41(f)(3) of the Code and inform Apergy of such allocations. Apergy agrees that it shall not file any Tax Return that is inconsistent with the amount of qualified research expenditures and gross receipts allocated to it by Dover. 

(ii) Allocation of Earnings and Profits (including PTI). The allocation of earnings and profits (including PTI) between Dover and Apergy in
the case of the Distribution and between their Affiliates in the case of any Internal Distribution shall be reasonably determined by Dover pursuant to Section 312(h) of the Code and the relevant Treasury Regulations under the Code. Dover shall
provide the allocation of earnings and profits (including PTI) to Apergy within ninety days after the Distribution Date. 
 (iii) Treatment
of Tax Attributes. Dover shall in good faith allocate the Tax Attributes for the Pre-Distribution Period and the Straddle Period between the Dover Group and the Apergy Group in accordance with the Code and
Treasury Regulations (and any applicable state, local and foreign Law), and shall in good faith advise Apergy in writing of the portion, if any, of the Tax Attributes which Dover determines shall be allocated or apportioned to the Apergy Group under
applicable Law. Apergy and all members of the Apergy Group shall prepare all Tax Returns in accordance with such written notice. In the event that any temporary or final amendments to Treasury Regulations or any other applicable Law are promulgated
after the date of this Agreement that provide for any election that would affect the preparation of any Tax Return which affects both a member of the Dover Group and a member of the Apergy Group and applies such regulations retroactively, then any
such election shall be made only to the extent that Dover and Apergy collectively agree to make such election. As soon as practicable after receipt of a written request from Apergy, Dover shall provide copies of any studies, reports, and workpapers
supporting the Tax Attributes, including earnings and profits, allocable to the Apergy Group. For the avoidance of doubt, Dover shall not be liable to Apergy or any member of the Apergy Group for any failure of any determination under this
Section 2.02(c) to be accurate under applicable Law. 
 (iv) Revised Allocations. The allocations made under this Section 2.02(c)
shall be revised by Dover to reflect each subsequent Determination that affects such allocations for any Pre-Distribution Period. Each revised calculation shall be provided to Apergy within 120 days of the
Determination to which the revision relates. 
 (v) Review of Allocations. Apergy shall have the right to review the accuracy, but not the
methodology, of any allocation made under this Section 2.02(c). Apergy shall notify Dover of any disagreement within forty-five (45) days of being notified of any allocation. Any dispute shall be resolved pursuant to the procedures
provided by this Agreement. 

  
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 Section 2.03 Option Deductions. The member of the Dover Group or the Apergy Group for
which the relevant individual is currently employed or, if such individual is not currently employed by a member of either group, was most recently employed, at the time of the vesting, exercise, disqualifying disposition, payment or other relevant
taxable event, as appropriate, in respect of equity awards and other incentive compensation of such individual described in the EMA, shall be entitled solely to claim any income Tax deduction in respect of such equity awards and other incentive
compensation on its respective Tax Return associated with such event. To the extent any Tax deduction that is described in the first sentence of this Section 2.03 and claimed by any member of the Dover Group is disallowed to any and all members
of the Dover Group and a Tax Authority makes a Determination that a member of the Apergy Group is entitled to such deduction, Dover shall notify Apergy of the receipt of such Determination, promptly after receipt thereof, and Apergy shall pay to
Dover the lesser of the amount of its Tax Benefit and the amount of the corresponding Tax Detriment in accordance with Section 2.02(b). To the extent any Tax deduction that is described in the first sentence of this Section 2.03 and
claimed by any member of the Apergy Group is disallowed to any and all members of the Apergy Group and a Tax Authority makes a Determination that a member of the Dover Group is entitled to such deduction, Apergy shall notify Dover of the receipt of
such Determination, promptly after receipt thereof, and Dover shall pay to Apergy the lesser of the amount of its Tax Benefit and the amount of the Corresponding Portion of the Tax Detriment in accordance with Section 2.02(b). 

Section 2.04 Tax Returns. 

(a) Except as provided in Section 2.04(b), Dover shall prepare and timely file all Tax Returns for
Pre-Distribution Periods (other than a Straddle Period) for which either the Dover Group or the Apergy Group is the Filing Group and all Tax Returns for Straddle Periods for all members of the Dover Group. In
connection with each federal, state, local, and foreign Tax Return that is required under this Agreement to be filed by Dover for taxable periods ending in 2017 and 2018, Apergy shall timely furnish to Dover Tax information and documents as Dover
may reasonably request. With respect to any information required to be provided by Apergy pursuant to this Section 2.04(a), (i) Dover shall utilize such information in the preparation of the appropriate Tax Returns as provided by Apergy, except
to the extent (a) Apergy provides its prior written consent to change any such information, or (b) Dover determines in good faith that such information is inaccurate or incomplete in a material respect, and (ii) Apergy agrees to
indemnify and hold harmless Dover and its Affiliates from and against any Indemnifiable Losses attributable to the misconduct or negligence of Apergy or any of its Affiliates in supplying Dover with inaccurate or incomplete information. An
appropriate officer of Apergy shall provide a certification that, to such officer’s best knowledge and belief, any and all information provided pursuant to this Section 2.04(a) is accurate and complete. If Apergy fails to provide any
information required by this Section 2.04(a) within the time period specified, Dover may file the applicable Tax Returns based on the information available at the time such Tax Returns are due and Apergy shall indemnify and hold harmless Dover
and its Affiliates from Taxes or other Indemnifiable Losses imposed on Dover or any of its Affiliates but only to the extent resulting from Apergy’s failure to provide such information in a timely manner. In addition, Apergy shall make
available employees and officers of Apergy and Apergy Affiliates, as Dover reasonably requests, to prepare and file any Tax Return for any Pre-Distribution Period

  
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or Straddle Period (including any claims for refunds described in Section 2.02(a)) or to conduct any Tax Contest with respect to any such Tax Return. If Apergy is responsible under
Section 2.01 for a portion of any Tax reported on a Tax Return prepared under this Section 2.04(a) by Dover, Dover shall provide Apergy with a copy of such Tax Return at least thirty (30) days prior to its due date. Apergy shall
notify Dover of any disagreement within 20 days of Apergy’s receipt of such Tax Return. Any dispute shall be resolved pursuant to the procedures provided by this Agreement. 

(b) Apergy shall be solely responsible for preparing and timely filing all Tax Returns relating to any Taxes that any member of the Apergy
Group is required to file under applicable Law for any Post-Distribution Period (other than a Straddle Period) and shall prepare and timely file all Tax Returns for Straddle Periods that a member of the Apergy Group is required to file under
applicable Law. If Dover is responsible under Section 2.01(a) for a portion of any Tax reported on a Straddle Period Tax Return prepared by a member of the Apergy Group, Apergy shall provide Dover with a copy of such Tax Return at least thirty
(30) days prior to its due date. Dover shall notify Apergy of any disagreement within 20 days of Dover’s receipt of such Tax Return. Any dispute shall be resolved pursuant to the procedures provided by this Agreement. 

(c) Except for amended Tax Returns resulting from a Determination, no amended Tax Return for any
Pre-Distribution Period shall be filed by the Filing Group that includes a member of the Non-Filing Group unless the Non-Filing
Group Parent consents, which consent shall not be unreasonably conditioned, denied, or withheld. However, notwithstanding the preceding sentence, no consent is required if either (i) the Filing Group reasonably determines that the amended Tax
Return will not result in any increased Tax liability or reduced Tax Attribute of the Non-Filing Group, or (ii) the Filing Group reasonably determines that the amended Tax Return will result in an
increased Tax liability or reduced Tax Attribute of the Non-Filing Group but agrees to indemnify the Non-Filing Group for such increased Tax liability or reduced Tax
Attribute. 
 (d) No Tax election may be made with respect to any Tax Return for a Pre-Distribution
Period by a member of the Filing Group that would affect a member of the Non-Filing Group unless notice of such Tax election is provided to the affected Non-Filing Group
Parent within forty-five (45) days before such Tax Return will be filed. The Non-Filing Group Parent shall have the right to review such elections and request, within 15 days of such notice, that either
no election be made or that an alternative election be made as appropriate. The Filing Group shall comply with such request (i) if the Filing Group reasonably determines that not making the election or that such alternative election will not
result in any increased Tax liability or reduced Tax Attribute of the Filing Group, or (ii) the Filing Group reasonably determines that the amended Tax Return will result in an increased Tax liability or reduced Tax Attribute of the Filing
Group but the Non-Filing Group agrees to indemnify the Filing Group for such increased Tax liability or reduced Tax. 

(e) Except as otherwise provided in this Agreement, in the case of any Tax Return for or that includes a
Pre-Distribution Period, the Party responsible for preparing and filing such Tax Return pursuant to this Section 2.04 shall prepare (or shall cause the appropriate member of its Group to prepare) such Tax
Return in accordance with past practices, accounting 

  
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methods, elections or conventions (“Past Practices”) used in preparing and filing the corresponding Tax Return for prior periods and, to the extent any items are not covered by Past
Practices, in accordance with reasonable Tax accounting practices. In addition, unless otherwise required by applicable Law, in the preparation and filing of any Tax Return for or that includes a
Pre-Distribution Period, the Party responsible for preparing and filing such Tax Return shall not take (or shall cause the appropriate member of its Group not to take) any position (or make any election) that
is inconsistent with any position taken or election made by Dover in connection with the preparation and filing of any consolidated U.S. Federal Income Tax Return that includes any Pre-Distribution Period. The
Party not responsible for preparing and filing a Tax Return under this Section 2.04 shall cooperate as reasonably necessary to allow the other Party to prepare and file such Tax Return. 

Section 2.05 Cooperation, Exchange of Information, and Tax Records. 

(a) Cooperation and Exchange of Information. Each Party shall provide to the other such cooperation and information as reasonably may be
requested in connection with (i) filing any Tax Return, amended return or claim for refund, (ii) determining a liability for Tax or a right to a refund of Tax, or (iii) participating in or conducting any Tax Contest. Such cooperation
and information shall include providing copies of relevant Tax Records. Each Party shall devote the personnel and resources necessary in order to carry out this Section 2.05(a) and shall make its employees available on a mutually convenient
basis to provide explanations of any documents or information provided hereunder. Each Party shall carry out its responsibilities under this Section 2.05(a) charging to the other only the out-of-pocket costs actually incurred, except that Apergy shall not be entitled to compensation for information provided to Dover pursuant to Section 2.04(a). Apergy shall execute all necessary or
appropriate forms, including powers of attorney, reasonably requested by Dover in connection with any action taken by Dover pursuant to this Agreement. 

(b) Record Retention. Each of Dover and Apergy shall retain all Tax Records in its possession as of the Effective Time relating to any Pre-Distribution Period that are relevant to the other Party for purposes described in Section 2.05(a) until such time as the other Party shall consent to the disposition of such Tax Records, which consent
shall not be withheld unreasonably. 
 Section 2.06 Tax Contests. 

(a) Notice. The Indemnified Party shall provide prompt notice to the Indemnifying Party of any pending or threatened Tax audit, assessment, or
proceeding, or other Tax Contest, of which it becomes aware, related to Tax for which it is indemnified by the Indemnifying Party hereunder. Such notice shall contain factual information (to the extent known) describing any asserted Tax liability in
reasonable detail and shall be accompanied by copies of the relevant sections of any notice and other documents received from any Tax Authority with respect to any such matters. If the Indemnified Party has knowledge of an asserted Tax liability
with respect to a matter for which it is to be indemnified hereunder and such Party fails to give the Indemnifying Party prompt notice of such asserted Tax liability, then (i) if the Indemnifying Party is precluded from contesting the asserted
Tax liability in any forum as a result of the failure to give prompt notice, the Indemnifying Party shall have no obligation to 

  
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indemnify the Indemnified Party for any Tax resulting from such assertion of Tax liability, and (ii) if the Indemnifying Party is not precluded from contesting the asserted Tax liability in
any forum, but such failure to give prompt notice results in a monetary detriment to the Indemnifying Party, then any amount that the Indemnifying Party is otherwise required to pay the Indemnified Party pursuant to this Agreement shall be reduced
by the amount of such detriment. 
 (b) Control of Tax Contests. 

(i) Apergy. Apergy shall have full responsibility and discretion in conducting, including settling, any Tax Contest involving a Tax Return
which includes only members of the Apergy Group (taking into account any adjustment to the entities included on such Tax Return asserted in, or arising from, any Tax Contest) other than a Covered Transaction Tax or any Tax described in
Section 2.01(b)(ii). Apergy shall provide notice to Dover and shall consult in good faith with Dover in connection with any Tax Contest in which the outcome is reasonably expected to have an adverse effect on any member of the Dover Group for
any Pre-Distribution Period. 
 (ii) Dover. Dover shall have full responsibility and discretion in
conducting, including settling, any Tax Contest that Apergy does not control pursuant to Section 2.06(b)(i). Subject to Section 2.06(b)(iii), Dover shall provide notice to Apergy and shall consult in good faith with Apergy in connection
with any Tax Contest in which Apergy is required to make a payment to Dover under this Agreement or to any Tax Authority or any Tax Contest in which the outcome is reasonably expected to have an adverse effect on any member of the Apergy Group for
any Post-Distribution Period. For the avoidance of doubt, Dover’s obligation to consult with Apergy in good faith shall not limit Dover’s discretion in conducting, including settling, any Tax Contest under this Section 2.06(b)(ii).

 (iii) Covered Transaction Taxes. Apergy shall have the right to participate in the conduct of a Tax Contest related to Covered
Transaction Taxes as a result of the application of Section 355(e) of the Code if, and only if, (x) Apergy has acknowledged in writing its liability for such Covered Transaction Tax if Section 355(e) were determined to apply,
(y) Apergy shall have provided Dover with a letter of credit in a form reasonably acceptable to Dover and issued by a major money center commercial bank reasonably acceptable to Dover, not expiring before a Determination has occurred with
respect to Dover’s Tax for the Post-Distribution Period that gave rise to the Covered Transaction Tax at issue, and in an amount equal to the maximum amount of Covered Transaction Tax at issue in the Tax Contest and (z) no Tax Return of
any member of the Dover Group with respect to which any member of the Dover Group may reasonably be viewed as having an actual or potential liability for any Tax not indemnified against by Apergy is held open as a result of such Tax Contest. Dover
shall not settle any Tax Contest described in this paragraph (iii) without the consent of Apergy, which consent shall not be unreasonably withheld. 

Section 2.07 Confidentiality. This Agreement and any information obtained or shared hereunder shall be
subject to the terms of Section 7.5 of the Distribution Agreement.  

  
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 ARTICLE III 

TRANSACTIONS TAX 

Section 3.01 Transactions Tax. 

(a) Dover Liability. Except as otherwise provided in Section 3.01(c), Dover shall be responsible for, and shall indemnify and hold
harmless the Apergy Group from any Covered Transaction Tax resulting from (i) any breach by any member of the Dover Group of any of the representations or covenants under Article IV hereof or (ii) any Section 355(e) Event with respect
to a member of the Dover Group. 
 (b) Apergy Liability. Except as otherwise provided in Section 3.01(c), Apergy shall be responsible
for, and shall indemnify and hold harmless the Dover Group from and against any liability for, any Covered Transaction Tax resulting from (i) any breach by any member of the Apergy Group of any of the representations or covenants under Article
IV hereof, (ii) any Specified Action undertaken by any member of the Apergy Group (whether or not Section 4.02(d) is complied with), or (iii) any Section 355(e) Event with respect to a member of the Apergy Group (whether or not
such Section 355(e) Event is caused by a Specified Action). 
 (c) Joint Fault for Covered Transaction Taxes. If the liability for
Covered Transaction Taxes is attributable (based on the determination of a Tax Authority) to both (i) any item section forth in Section 3.01(a) and (ii) any item set forth in Section 3.01(b), then (x) such liability for any
Covered Transaction Taxes will be equally borne by Dover, on the one hand, and Apergy, on the other hand; and (y) each of Dover, on the one hand, and Apergy, on the other hand, will indemnify the other Party against, and hold it harmless from,
any Covered Transaction Taxes for which such other Party is not liable under this Section 3.01(c). 
 (d) Other Covered Transaction
Taxes. If the liability for Covered Transaction Taxes is attributable to neither (i) any item section forth in Section 3.01(a) nor (ii) any item set forth in Section 3.01(b), then (x) such liability for any Covered
Transaction Taxes will be equally borne by Dover, on the one hand, and Apergy, on the other hand; and (y) each of Dover, on the one hand, and Apergy, on the other hand, will indemnify the other Party against, and hold it harmless from, any
Covered Transaction Taxes for which such other Party is not liable under this Section 3.01(d). 
 ARTICLE IV 

REPRESENTATIONS AND COVENANTS 

Section 4.01 Representations. 

(a) Dover represents that, as of the date of this Agreement, neither it nor any of its Affiliates knows of any fact that would jeopardize the
intended Tax treatment of the transactions provided by the Tax Rulings or any Tax Opinion or that otherwise would result in a Covered Transaction Tax. 

  
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 (b) Apergy represents that, as of the date of this Agreement, neither it nor any of its
Affiliates knows of any fact that would jeopardize the intended Tax treatment of the transactions provided by the Tax Rulings or any Tax Opinion, or that otherwise would result in a Covered Transaction Tax. 

(c) Dover represents that, as of the date of this Agreement, neither it nor any of its Affiliates has any plan or intention to take any action
that is inconsistent with the intended Tax treatment of the transactions provided by the Tax Rulings or any Tax Opinion, or that otherwise would result in a Covered Transaction Tax. 

(d) Apergy represents that, as of the date of this Agreement, neither it nor any of its Affiliates has any plan or intention to take any
action that is inconsistent with the intended Tax treatment of the transactions provided by the Tax Rulings or any Tax Opinion or that otherwise would result in a Covered Transaction Tax. 

Section 4.02 Covenants. 

(a) Conduct. Apergy covenants and agrees that it shall not take, and it shall cause its Affiliates to refrain from taking, any action that
results in, or reasonably may be expected to result in, any Covered Transaction Tax described in Section 3.01(b). This includes taking any action that is inconsistent with the intended Tax treatment of the transactions provided by any Tax
Opinion or the Tax Rulings and any action referred to in Section 4.02(a)(i) through (iv) (any such action described in this sentence, a “Specified Action”). Without limiting the generality of the foregoing: 

(i) Transactions Affecting Ownership. Any time before the day after the second anniversary of the Distribution Date, Apergy shall not (and
shall cause its Affiliates to not) (A) enter into any agreement, understanding, or arrangement as defined in Treasury Regulation Section 1.355-7(h), pursuant to which any Person would (directly or
indirectly) acquire, or have the right to acquire, any Apergy Stock Interests or (B) take any action that permits a proposed acquisition of Apergy Stock Interests to occur by means of an agreement to which none of Apergy or any of its
Affiliates is a party, including by (x) soliciting any Person to make a tender offer for, or otherwise acquire or sell, Apergy Stock Interests, or approving or otherwise permitting any such transaction, whether for purposes of Section 203
of the Delaware General Corporate Law or any similar corporate statute, any “fair price” or other provision of Apergy’s charter or bylaws (and, in each case, any equivalent document thereof) or otherwise, (y) participating in or
otherwise supporting any unsolicited tender offer for, or other unsolicited acquisition or disposition of, Apergy Stock Interests, or approving or otherwise permitting any such transaction, or (z) redeeming rights under a shareholder rights
plan, making a determination that a tender offer is a “permitted offer” under any such plan or otherwise causing any such plan to be inapplicable or neutralized with respect to any proposed acquisition of Apergy Stock Interests. For these
purposes, an acquisition of Apergy Stock Interests will include any recapitalization, repurchase or redemption of Apergy Stock Interests; any adoption, modification or amendment of an employee stock purchase agreement, equity-based compensation plan
or other similar agreement, plan or arrangement; any issuance of Apergy Stock Interests (including any nonvoting stock or equity and any class of Apergy Stock Interests) or an instrument exchangeable or convertible into such Stock Interests (whether
pursuant to an exercise of stock 

  
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options, as a result of a capital contribution, or otherwise); any option grant; any conversion of Apergy Stock Interests into another class of Apergy Stock Interests; or any amendment to the
certificate of incorporation (or other organizational document) of Apergy, or any change in the terms of any Apergy Stock Interests or any other action (whether effected through a shareholder vote or otherwise) (including through the conversion of
any Stock Interests into another class of Stock Interests) that is treated as increasing a Person’s percentage interest for U.S. federal income Tax purposes in Apergy Stock Interests; provided, however, that the following shall
not be taken into account: (i) issuances of options, restricted stock and/or deferred stock units and the shares of Apergy Stock Interests issued upon the exercise or vesting, as applicable, of such options, restricted stock and/or deferred
stock units, provided that such issuance is described in Safe Harbor VIII of Treasury Regulations Section 1.355-7(d), (ii) issuances or acquisitions of stock that are described in Safe Harbor IX of
Treasury Regulations Section 1.355-7(d), or (iii) adoption, amendment, or modification of an employee stock purchase agreement, equity compensation agreement, retirement plan or other compensation
arrangement provided that any issuances or acquisitions of Apergy Stock Interests under such arrangement are described in Safe Harbor VIII of Treasury Regulations Section 1.355-7(d) or Safe Harbor IX of
Treasury Regulations Section 1.355-7(d). This Section 4.02(a)(i) shall not apply to any proposed transaction (but, for the avoidance of doubt, one or more other clauses of this Section 4.02(a)
may still define the proposed transaction as a Specified Action) unless, at the time such transaction would occur, other transactions have occurred that are described in such clauses and that result in one or more Persons acquiring directly or
indirectly stock representing, in the aggregate, a 40 percent or greater interest in Apergy (i.e., stock possessing at least 40 percent of the total combined voting power of all classes of stock entitled to vote or at least 40 percent
of the total value of shares of all classes of stock). This Section 4.02(a)(i) and the application thereof is intended to monitor compliance with Section 355(e) of the Code and shall be interpreted accordingly. Any clarification of, or
change in, the statute or regulations promulgated under Section 355(e) of the Code shall be incorporated in this definition and its interpretation. 

(ii) Other Actions. Any time before the day after the second anniversary of the Distribution Date, Apergy shall not (and shall cause its
Affiliates to not) (A) merge or consolidate Apergy with or into any corporation where Apergy is not the survivor of such merger or consolidation, or liquidate or partially liquidate Apergy (including any liquidation effected pursuant to a
merger, consolidation, or conversion, and including any other transaction that causes Apergy to cease to be treated as a corporation for U.S. federal income tax purposes); (B) sell, exchange, distribute, or otherwise dispose of, other than in the
ordinary course of business, more than 25 percent (measured by reference to the fair market value at the time of the Distribution) of the gross assets of any of the trades or businesses relied on to satisfy Section 355(b) of the Code or
any comparable provision of state, local or foreign Law with respect to the Distribution; (C) discontinue or cause to be discontinued the active conduct of any of the trades or businesses relied on by Apergy to satisfy Section 355(b) of
the Code or any comparable provision of state, local or foreign Law; (D) cause or permit any Subsidiary of Apergy the active business of which was relied on by Apergy to satisfy Section 355(b) of the Code or any comparable provision of
state, local or foreign Law to cease to be a member of the Apergy separate affiliated group, as defined in Section 355(b)(3)(B) of the Code; or (E) redeem or otherwise repurchase (directly or through an Affiliate) any Apergy Stock
Interests, except to 

  
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the extent such repurchases satisfy Section 4.05(1)(b) of Revenue Procedure 96-30 as in effect prior to the amendment of such Revenue Procedure by
Revenue Procedure 2003-48 (provided, however, that the fact that any such redemption or repurchase satisfies Section 4.05(1)(b) of Revenue Procedure
96-30 shall not prevent such redemption or repurchase from being considered or taken into account for purposes of determining, pursuant to Section 4.02(a)(i), whether, at the time such transaction would
occur, other transactions have occurred that are described Section 4.02(a)(i) and that result in one or more Persons acquiring directly or indirectly stock representing, in the aggregate, a 40 percent or greater interest in Apergy). 

(iii) Actions Involving Distributing Corporations or Controlled Corporations. With respect to each Internal Distribution in which a Apergy
Affiliate was the “distributing corporation” or the “controlled corporation” within the meaning of Section 355 of the Code (each such corporation, individually, the “Applicable Corporation”), any time before the
day after the second anniversary of the date of the Distribution, Apergy shall not (and shall cause its Affiliates to not) (A) merge or consolidate the Applicable Corporation with or into any corporation where the Applicable Corporation is not
the survivor of such merger or consolidation, or liquidate or partially liquidate the Applicable Corporation (including any liquidation effected pursuant to a merger, consolidation, or conversion, and including any other transaction that causes the
Applicable Corporation to cease to be treated as a corporation for U.S. federal income tax purposes); (B) sell, exchange, distribute, or otherwise dispose of, other than in the ordinary course of business, more than 25 percent (measured by
reference to the fair market value at the time of such Internal Distribution) of the gross assets of any of the trades or businesses relied on to satisfy Section 355(b) of the Code or any comparable provision of state, local or foreign Law with
respect to such Internal Distribution; (C) discontinue or cause to be discontinued the active conduct of any of the trades or businesses relied on by the Applicable Corporation to satisfy Section 355(b) of the Code or any comparable
provision of state, local or foreign Law; (D) cause or permit any Subsidiary of the Applicable Corporation the active business of which was relied on by the Applicable Corporation to satisfy Section 355(b) of the Code or any comparable
provision of state, local or foreign Law to cease to be a member of the Applicable Corporation separate affiliated group, as defined in Section 355(b)(3)(B) of the Code; or (E) enter into any agreement, understanding, or arrangement, as
defined in Treasury Regulation Section 1.355-7(h), pursuant to which any Person would (directly or indirectly) acquire, or have the right to acquire, any Stock Interests of an Applicable Corporation;
provided, however, clause (E) shall not apply to (i) an Applicable Corporation’s issuance of Stock Interests pro rata to the Person(s) that own(s) all of such Applicable Corporation’s outstanding Stock Interests at
the time of the Distribution (e.g., in a transaction subject to Section 351(a) of the Code), and (ii) an acquisition of Stock Interests, or right to acquire Stock Interests, of an Applicable Corporation if Apergy owns (directly or
indirectly) 100 percent of the Stock Interests of such Applicable Corporation immediately after such acquisition. 
 (iv) No
Inconsistent Actions. Regardless of any change in circumstances, Apergy covenants and agrees that it shall not take any action (and it shall cause its Affiliates to refrain from taking any action) that is inconsistent with any factual statements or
representations made in connection with any Tax Opinion or the Tax Rulings on or before the day after the second anniversary of the Distribution Date other than as permitted in this Section 4.02. For this purpose an action is considered inconsistent
with a representation if the representation states that there is no plan or intention to take such action. 

  
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 (b) Amended or Supplemental Rulings. Apergy covenants and agrees that it shall refrain from
filing, and it shall cause its Affiliates to refrain from filing, a request for any amendment or supplement to the Tax Rulings subsequent to the Distribution Date without the consent of Dover, which consent shall not be unreasonably withheld. 

(c) Tax Returns. Each of Dover and Apergy covenants and agrees that it shall refrain from taking, and it shall cause its Affiliates to refrain
from taking, any position on a Tax Return that is inconsistent with (i) the intended Tax treatment of the transactions provided by any Tax Opinion, (ii) the Contribution (and the contributions with respect to the Internal Distributions, if
any) qualifying for Tax-free treatment under Section 361 of the Code, (iii) the intended Tax treatment of the transactions provided by the Tax Rulings, or (iv) the documents effecting any
transaction undertaken in connection with the Separation that is not addressed by any Tax Ruling or any Tax Opinion. 
 (d) Exception.
Notwithstanding the foregoing, Apergy shall be permitted to take an action inconsistent with Section 4.02(a), if, prior to taking such action, Apergy provides advance notification to Dover of its plans with respect to such action and promptly
responds to any inquiries by Dover following such notification, and (unless Dover agrees otherwise in writing) either: 
 (i) In case of an
action affecting the intended Tax treatment of transactions described in any Tax Opinion, Apergy obtains: 
 (1) a ruling with respect to
the action from the relevant Tax Authority that is reasonably satisfactory to Dover (except that Apergy shall not submit any supplemental ruling request if Dover determines in good faith that filing such request could have a materially adverse
effect on Dover or any of its Affiliates), or 
 (2) an opinion, in form and in substance acceptable to Dover in its sole and absolute
discretion, which discretion shall be exercised in good faith solely to preserve the intended Tax treatment of such transactions, of an independent nationally recognized Tax counsel, reasonably acceptable to Dover, on the basis of facts and
representations consistent with the facts at the time of such action, that such action will not affect the intended Tax treatment of the transactions provided by the Tax Opinion (in determining whether an opinion is satisfactory, Dover may consider,
among other factors, the appropriateness of any underlying assumptions and management’s representation if used as a basis for the opinion and Dover may determine that no opinion would be acceptable to Dover), or 

(ii) In case of an action affecting the intended Tax treatment of the Ruling Transactions, Apergy obtains: 

(1) a ruling with respect to the action from the relevant Tax Authority that is reasonably satisfactory to Dover (except that Apergy shall not
submit any supplemental ruling request if Dover determines in good faith that filing such request could have a materially adverse effect on Dover or any of its Affiliates), or 

  
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 (2) an opinion, in form and in substance acceptable to Dover in its sole and absolute
discretion, which discretion shall be exercised in good faith solely to preserve the intended Tax treatment of such transactions, of an independent Tax counsel, reasonably acceptable to Dover, on the basis of facts and representations consistent
with the facts at the time of such action, that such action will not affect the intended Tax treatment of the transactions provided by the Tax Rulings (in determining whether an opinion is satisfactory, Dover may consider, among other factors, the
appropriateness of any underlying assumptions and management’s representation if used as a basis for the opinion and Dover may determine that no opinion would be acceptable to Dover). Notwithstanding anything to the contrary in this Agreement,
Apergy shall be responsible for, and shall indemnify Dover and hold Dover harmless from, any Covered Transaction Tax resulting from a Specified Action of Apergy or any Apergy Affiliate, regardless of whether the exception of this
Section 4.02(d) is satisfied with respect to such act. 
 (e) Duty to Mitigate Recognition or Recapture of Income. Prior to any event
that may result in recognition or recapture of income (including under any gain recognition agreement entered into pursuant to Treasury Regulations Section 1.367(a)-8), Dover and Apergy shall use (and
shall cause the members of the Dover Group and Apergy Group, respectively, to use) all commercially reasonable efforts to eliminate such gain recognition or recapture of income or otherwise avoid or minimize the impact thereof to the other party,
including by the execution of an appropriate gain recognition agreement pursuant to Treasury Regulations Section 1.367(a)-8. 

(f) Dover shall provide to Apergy true and complete copies of all ruling requests, rulings, tax opinions, tax opinion representation letters
and any supplement of such documents (including all exhibits and attachments thereto) provided to or received from a Tax Authority or Tax counsel in connection with the Separation and Distribution by the later of (i) the Distribution Date or
(ii) thirty (30) days of providing or receiving such document; provided, however, that (i) Dover shall not be required to provide to Apergy drafts of any such documents; (ii) in no event shall Dover be required to
provide Apergy or any other Person access to or copies of any information if such action could reasonably be expected to result in the waiver of any Privilege; and (iii) in the event that Dover determines that the provision of any information
to Apergy would be commercially detrimental in any material respect, violate any Law or Contract with a Third Party or waive any Privilege, the Parties shall take all reasonable measures (and, to the extent applicable, shall use commercially
reasonable efforts to obtain the Consent from any Third Party required to make such disclosure without violating a Contract with a Third Party) to permit compliance with its obligations under this Section 4.02 in a manner that avoids any such
harm, violation or consequence. 
 Section 4.03 No Continuing Liability for Former Members. 

(a) Dover Affiliates. If a Dover Affiliate ceases to be a member of the Dover Group as a result of a sale or exchange of all of the stock of
such member, other than an exchange for which the consideration received by Dover is the stock of Dover or a Dover Affiliate, the departing Dover Affiliate shall be released from its obligations under this Agreement upon its departure from the Dover
Group. 

  
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 (b) Apergy Affiliates. If a Apergy Affiliate ceases to be a member of the Apergy Group as a
result of a sale or exchange of all of the stock of such member, other than an exchange for which the consideration received by Apergy is the stock of Apergy or a Apergy Affiliate, the departing Apergy Affiliate shall be released from its
obligations under this Agreement upon its departure from the Apergy Group. 
 Section 4.04 Section 336(e) Election. Pursuant to
Treasury Regulation Sections 1.336-2(h)(1)(i) and 1.336-2(j), Dover and Apergy agree that Dover shall make timely protective elections under Section 336(e) of the
Code and the Treasury Regulations issued thereunder with respect to the Distribution for Apergy and with respect to the Internal Distributions, to the extent determined by Dover in its sole discretion, for each Apergy Subsidiary that is a domestic
corporation for U.S. federal income tax purposes (a “Section 336(e) Election”). To the extent, pursuant to a Determination, the Distribution constitutes a “qualified stock disposition,” as defined in Treasury Regulation Section 1.336-1(b)(6), the Parties shall not, and shall not permit any of their respective Subsidiaries to, take any position for Tax purposes inconsistent with the relevant Section 336(e) Election, except
as may be required pursuant to a Determination. If and to the extent that the Tax-free status of the Distribution does not apply with respect to the Distribution, and any resulting Taxes (including any Taxes
attributable to the Section 336(e) Election) are considered Taxes for which Dover is responsible under this Agreement, then, to that extent, Dover will be entitled to quarterly payments from Apergy of the actual Tax savings arising from the step-up in Tax basis resulting from the Section 336(e) Election, determined using a “with and without” methodology; provided, however, that, if Taxes are imposed on Dover (or any of its
Subsidiaries) or Apergy (or any of its Subsidiaries) and liability for such Taxes is borne equally by Dover and Apergy pursuant to Section 3.01(c) or Section 3.01(d) hereof, then Apergy will pay to Dover each quarter fifty percent of the
Tax savings; and provided, further, however, that all payments made to Dover under this Section 4.04 will be reduced by a reasonable charge for administrative expenses and other reasonable out-of-pocket expenses of Apergy (and its Subsidiaries) that are necessary to secure the Tax savings, including expenses paid or incurred in connection with a Tax Contest or to amend a Tax Return. Nothing in
this Section 4.04 shall prevent Dover and Apergy from reaching an agreement on an alternative method for Dover’s recoupment of the Tax savings attributable to the step-up in basis (e.g., through a
single payment using a negotiated discount rate). 
 ARTICLE V 

MISCELLANEOUS PROVISIONS 

Section 5.01 Counterparts; Entire Agreement; Corporate Power; Facsimile Signatures. 

(a) Counterparts. This Agreement may be executed in more than one counterparts, all of which shall be considered one and the same agreement,
and, except as otherwise expressly provided in Section 1.3 of the Distribution Agreement, shall become effective when one or more such counterparts have been signed by each of the Parties and delivered to the other Parties. Execution of this
Agreement or any other documents pursuant to this Agreement by facsimile or other electronic copy of a signature shall be deemed to be, and shall have the same effect as, executed by an original signature. 

  
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 (b) Entire Agreement. This Agreement, including the Exhibits and Schedules, and the Ancillary
Agreements (and the exhibits and schedules thereto) shall constitute the entire agreement between the Parties with respect to the subject matter hereof and thereof and shall supersede all previous negotiations, commitments and writings with respect
to such subject matter. In the event of any conflict between the terms and conditions of the body of this Agreement and the terms and conditions of any Schedule, the terms and conditions of such Schedule shall control. Notwithstanding anything to
the contrary in this Agreement or any Ancillary Agreement, in the case of any conflict between the provisions of the Distribution Agreement and the provisions of any Ancillary Agreement, the provisions of the Distribution Agreement shall control;
provided, however, that in relation to (i) any matters concerning Taxes, this Agreement shall prevail over the Distribution Agreement and any other Ancillary Agreement, (ii) any matters governed by the EMA, the EMA shall
prevail over this Agreement or any other Ancillary Agreement, and (iii) the provision of support and other services after the Effective Time by the Apergy Group to the Dover Group, and vice versa, the Transition Services Agreement shall prevail
over this Agreement or any other Ancillary Agreement. It is the intention of the Parties that the Transfer Documents shall be consistent with the terms of this Agreement and the other Ancillary Agreements. The Parties agree that the Transfer
Documents are not intended and shall not be considered in any way to enhance, modify or decrease any of the rights or obligations of Dover, Apergy or any member of their respective Groups from those contained in this Agreement and the other
Ancillary Agreements. 
 (c) Corporate Power. Each of the Parties hereby represents and warrants that it has the power and authority to
execute, deliver and perform this Agreement, that this Agreement has been duly authorized by all necessary corporate action on the part of such Party, that this Agreement constitutes a legal, valid and binding obligation of each such Party
enforceable against it in accordance with its terms, subject to applicable bankruptcy, insolvency, reorganization, moratorium or other similar Laws affecting creditors’ rights generally and general equity principles. 

Section 5.02 Governing Law. This Agreement shall be governed by and construed in accordance with the internal Laws, and not the
Laws governing conflicts of Laws (other than Sections 5-1401 and 5-1402 of the New York General Obligations Law), of the State of New York. 

Section 5.03 Consent to Jurisdiction. Subject to the provisions of Section 5.18 of this Agreement, each of the Parties
irrevocably submits to the exclusive jurisdiction of (a) the Supreme Court of the State of New York, New York County, and (b) the United States District Court for the Southern District of New York (the “New York Courts”), for the
purposes of any suit, action or other proceeding to compel arbitration or for provisional relief in aid of arbitration in accordance with Section 5.18 or for provisional relief to prevent irreparable harm, and to the non-exclusive jurisdiction of the New York Courts for the enforcement of any award issued thereunder. Each of the Parties further agrees that service of any process, summons, notice or document by United States
registered mail to such Party’s respective address set forth in Section 

  
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5.08 hereof shall be effective service of process for any action, suit or proceeding in the New York Courts with respect to any matters to which it has submitted to jurisdiction in this
Section 5.03. Each of the Parties irrevocably and unconditionally waives any objection to the laying of venue of any action, suit or proceeding arising out of this Agreement or the transactions contemplated hereby in the New York Courts, and
hereby further irrevocably and unconditionally waives and agrees not to plead or claim in any such court that any such action, suit or proceeding brought in any such court has been brought in an inconvenient forum. 

Section 5.04 Specific Performance. The Parties agree that irreparable damage may occur in the event that the provisions of this
Agreement, including Section 4.02, were not performed in accordance with their specific terms. Accordingly, it is hereby agreed that the Parties shall be entitled to seek (i) an injunction or injunctions to enforce specifically the terms
and provisions hereof, including Section 4.02, in any arbitration in accordance with Article VIII of the Distribution Agreement, (ii) provisional or temporary injunctive relief in accordance therewith in any New York Court, and
(iii) enforcement of any such award of an arbitral tribunal or a New York Court in any court of the United States, or any other any court or tribunal sitting in any state of the United States or in any foreign country that has jurisdiction,
this being in addition to any other remedy or relief to which they may be entitled. 
 Section 5.05 Waiver of Jury Trial.
SUBJECT TO SECTION 5.18 AND SECTIONS 5.03 AND 5.04 HEREIN, EACH OF THE PARTIES HEREBY WAIVES TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY WITH RESPECT TO ANY COURT PROCEEDING PERMITTED HEREUNDER. EACH OF
THE PARTIES HEREBY (A) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF THE OTHER PARTY HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER AND
(B) ACKNOWLEDGES THAT IT HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT AND THE TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT, AS APPLICABLE, BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 5.05. 

Section 5.06 Assignment. The provisions of this Agreement and the obligations and rights hereunder shall be binding upon, inure to
the benefit of and be enforceable by (and against) the Parties and their respective successors (by merger, acquisition of assets or otherwise) and permitted transferees and assigns to the same extent as if such successor or permitted transferees and
assigns had been an original party to the Agreement. Notwithstanding the foregoing, this Agreement shall not be assignable, in whole or in part, by any Party without the prior written consent of the other Party, and any attempt to assign any rights
or obligations arising under this Agreement without such consent shall be null and void; provided, that (i) a Party may assign any or all of its rights and obligations under this Agreement to any of its Affiliates, but no such assignment
shall release the assigning Party from any liability or obligation under this Agreement and (ii) a Party may assign this Agreement in whole in connection with a bona fide third party merger transaction in which such Party is not the surviving
entity or the sale by such Party of all or substantially all of its Assets, and upon the effectiveness of such assignment under this clause (ii) the assigning Party shall be released from all of its obligations under this Agreement if the
surviving entity of such merger or the transferee of such Assets shall agree in writing, in form and substance reasonably satisfactory to the other Party, to be bound by the terms of this Agreement as if named as a “Party” hereto. 

  
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 Section 5.07 Third Party Beneficiaries. Except as specifically provided in this
Agreement, this Agreement is solely for the benefit of the Parties and their respective Affiliates after the Effective Time, and their permitted successors and assigns, and is not intended to confer upon any Person except the Parties and their
respective Affiliates after the Effective Time, and their permitted successors and assigns, any rights or remedies hereunder; and there are no other third-party beneficiaries of this Agreement and this Agreement should not be deemed to confer upon
Third Parties any remedy, claim, liability, reimbursement, cause of action or other right in excess of those existing without reference to this Agreement. 

Section 5.08 Notice. All notices, requests, claims, demands and other communications under this Agreement and, to the extent
applicable and unless otherwise provided therein, under each of the Ancillary Agreements, as between the Parties, shall be in writing and shall be given or made (and shall be deemed to have been duly given or made upon receipt unless the day of
receipt is not a Business Day, in which case it shall be deemed to have been duly given or made on the next Business Day) by delivery in person, by overnight courier service, by facsimile or email with receipt confirmed or by registered or certified
mail (postage prepaid, return receipt requested) to the respective Parties at the following addresses (or at such other address for a Party as shall be specified in a notice given in accordance with this Section 5.08): 

If to Dover: 
 Dover Corporation

 3005 Highland Parkway 

Downers Grove, Illinois 60515 

Attn: 
 Facsimile: 

Email: 
 With a copy to: 

Dover Corporation 
 3005 Highland
Parkway 
 Downers Grove, Illinois 60515 

Attn: 
 Facsimile: 

Email: 
 If to Apergy: 

Apergy Corporation 
 [address]

 Attn: 
 Facsimile: 

Email: 

  
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 With a copy to: 

Apergy Corporation 
 [address]

 Attn: 
 Facsimile: 

Email: 
 Section 5.09
Severability. In the event any one or more of the provisions contained in this Agreement should be held invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein
shall not in any way be affected or impaired thereby, and the Parties shall endeavor in good-faith negotiations to replace the invalid, illegal or unenforceable provisions with valid provisions, the economic effect of which comes as close as
possible to that of the invalid, illegal or unenforceable provisions. 
 Section 5.10 No Set Off. Except as otherwise mutually
agreed to in writing by the Parties, neither Party nor any of its Affiliates shall have any right of set off or other similar rights with respect to (a) any amounts received pursuant to this Agreement; or (b) any other amounts claimed to
be owed to the other Party or any of its Affiliates arising out of this Agreement. 
 Section 5.11 Headings. Titles and headings
to Sections and Articles are inserted for the convenience of reference only and are not intended to be a part of or to affect the meaning or interpretation of this Agreement. 

Section 5.12 Survival of Agreements. Except as otherwise contemplated by this Agreement or any Ancillary Agreement, all covenants
and agreements of the Parties contained in this Agreement and each Ancillary Agreement shall survive the Effective Time and remain in full force and effect in accordance with their applicable terms. 

Section 5.13 Affiliates. Each of the Parties shall cause (or with respect to an Affiliate that is not a Subsidiary, shall use
commercially reasonable efforts to 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 Business Entity that becomes a Subsidiary or Affiliate of such
Party on and after the Effective Time. 
 Section 5.14 Waivers of Default. The failure of any Party to require strict
performance by any other Party of any provision in this Agreement will not waive or diminish that Party’s right to demand strict performance thereafter of that or any other provision hereof. 

Section 5.15 Amendments. This Agreement may not be modified or amended except by an agreement in writing signed by each of the
Parties. 
 Section 5.16 References; Interpretation. References in this Agreement to any gender include references to all
genders, and references to the singular include references to the plural and vice versa. Any action to be taken by the Board of Directors of a Party may be taken by a committee of the Board of Directors of such Party if properly delegated by the
Board of Directors of a Party to such committee. Unless the context otherwise requires: 
 (i) the words “include”,
“includes” and “including” when used in this Agreement shall be deemed to be followed by the phrase “without limitation”; 

  
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 (ii) references in this Agreement to Articles, Sections, Annexes, Exhibits and
Schedules shall be deemed references to Articles and Sections of, and Annexes, Exhibits and Schedules to, this Agreement; 

(iii) the words “hereof”, “hereby” and “herein” and words of similar meaning when used in this
Agreement refer to this Agreement in its entirety and not to any particular Article, Section or provision of this Agreement; 

(iv) the words “written request” when used in this Agreement shall include email; 

(v) references in this Agreement to any time shall be to New York City, New York time unless otherwise expressly provided
herein; and 
 (vi) as described in Section 5.01(b), to the extent that the terms and conditions of
any Schedule hereto conflicts with the express terms of the body of this Agreement, the terms of such Schedule shall control; it being understood that the Parties intend to include in the Schedules hereto any exceptions to the general rules
described in the body of this Agreement and to give full effect to such exceptions, with respect to the matters expressly set forth therein; and 

(vii) to the extent that this Agreement refers to the Distribution Agreement and the applicable section of the Distribution
Agreement provides that such section of the Distribution Agreement shall not apply to the extent it conflicts with this Agreement, such section shall be read without regard to such exception. 

Section 5.17 Advisors. Dover has selected McDermott Will & Emery LLP and Simpson Thacher & Bartlett LLP as
counsel in connection with the Distribution. Apergy acknowledges, for itself and each Apergy Affiliate, that McDermott Will & Emery LLP and Simpson Thacher & Bartlett LLP are acting in the capacity as counsel only to Dover in
connection with this Agreement and the provisions contemplated herein. 
 Section 5.18 Dispute Resolution. Any and all disputes
between Dover and Apergy arising out of any provision of this Agreement shall be resolved through the procedures provided in Article VIII of the Distribution Agreement. 

Section 5.19 Payments. 

(a) Procedure for Requesting and Making Indemnification Payments. On the occurrence of an event for which a Party is entitled to receive
indemnification hereunder, such Party (the “Indemnified Party”) shall send the other Party (the “Indemnifying Party”) an invoice requesting payment accompanied by a statement describing in reasonable detail the amount owed and
the particulars relating thereto. Unless a provision in this Agreement specifically provides a different time for payment, the Indemnifying Party shall pay to the Indemnified Party any payment it owes to the Indemnified Party under this Agreement
within thirty (30) days after the receipt of the invoice for such payment. 

  
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 (b) Procedure for Making Other Payments. If a Party is responsible for any Tax under
Section 2.01 (the “Responsible Party”) and such Tax must be remitted by the other Party (the “Remitting Party”), the Remitting Party shall send the Responsible Party an invoice requesting payment accompanied by a statement
describing in reasonable detail the amount owed and the particulars relating thereto. Unless a provision in this Agreement specifically provides a different time for payment, the Responsible Party shall pay to the Remitting Party any payment it owes
to the Remitting Party under this Agreement no later than thirty (30) days before the Remitting Party must remit the Tax to the appropriate Tax Authority. 

(c) Character of Payments. For Tax purposes, the Parties agree to treat any payment pursuant to this Agreement in the same manner as a capital
contribution by Dover to Apergy or an adjustment to the Contribution made in the last taxable period beginning before the Distribution (or corresponding treatment with respect to any Internal Distribution) and, accordingly, as not includible in the
gross income of the recipient and not deductible by the payor to the extent allowed under Law. If pursuant to a Determination it is determined that the receipt or accrual of any payment made under this Agreement is subject to any Tax, the Party
making such payment shall be responsible for the After-Tax Amount with respect to such payment. The failure of a Party to include an After-Tax Amount in a demand for
payment pursuant to this Agreement shall not be deemed a waiver by the Party of its right to receive an After-Tax Amount with respect to such payment. 

(d) Interest on Late Payments. Unless a provision in this Agreement specifically provides otherwise, any payment required to be made pursuant
to this Agreement that is not made on or before the due date for such payment shall bear interest from the date after the due date to and including the date of payment at the Prime Rate plus two percent. Such interest shall be paid at the same time
as the payment to which it relates. Any interest payable pursuant to this paragraph that is not paid when due shall bear interest at the Prime Rate plus two percent. 

Section 5.20 No Duplication. Any indemnification provided under this Agreement shall be determined without duplication of recovery
whether by operation of this Agreement, the Distribution Agreement or any other agreement entered into in connection with the Separation. 

Section 5.21 Mutual Drafting. The Parties have participated jointly in the negotiation and drafting of this Agreement. This
Agreement shall be construed without regard to any presumption or rule requiring construction or interpretation against the Party drafting or causing any instrument to be drafted. 

* * * * * 

  
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 IN WITNESS WHEREOF, the Parties have caused this Agreement to be executed by their duly
authorized representatives. 
  

					
	DOVER CORPORATION	 		 	APERGY CORPORATION.
			
	By:	 		 	By:
	Name:  Ivonne M. Cabrera	 		 	Name:  [INSERT]
	Title:    Senior Vice President, General	 		 	Title:    [INSERT]
	             Counsel & Secretary	 		 	

 [Signature Page to Tax Matters Agreement]

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