Document:

EX-10.25

 Exhibit 10.25 

ENDURANCE INTERNATIONAL GROUP HOLDINGS, INC. 

Restricted Stock Agreement and Acknowledgement 

This Restricted Stock Agreement and Acknowledgement (this “Agreement”) is made effective as of [—], 2013 (the “Effective Date”), among Endurance International Group Holdings, Inc., a Delaware corporation (the “Company”), WP Expedition Topco L.P., a Delaware limited partnership
(the “Partnership”), and the party set forth on the signature page hereto (the “Holder”). 
 WHEREAS, the Holder is a
party to that certain Agreement of Limited Partnership, dated as of November 7, 2012, among WP Expedition Management LLC (the “General Partner”), the Holder and the other parties thereto (the “Partnership Agreement”), and
the Holder is a limited partner of the Partnership; 
 WHEREAS, the Holder holds a number of Class B-1 Units and/or Class B-2 Units (each,
as defined in the Partnership Agreement and, collectively, the “Class B Units”) of the Partnership, as set forth on Schedule A attached hereto, which such Class B Units were issued pursuant to the Partnership Agreement and/or one or
more unit grant agreements; 
 WHEREAS, effective prior to or substantially concurrent with the time of effectiveness (the “Effective
Time”) of the Company’s Registration Statement on Form S-1 (the “Registration Statement”) related to the Company’s proposed initial public offering (the “IPO”) of the Company’s common stock, $0.0001 par value
per share (“Common Stock”), under the Securities Act of 1933, as amended (the “Securities Act”), (i) the vesting schedules for the Holder’s Class B Units shall be modified such that the vesting schedules applicable to
the Holder’s Class B-1 Units shall apply to the Holder’s Class B-2 Units as if such Class B-2 Units were originally granted as Class B-1 Units, and (ii) the Partnership will liquidate, dissolve and distribute shares of Common Stock to
the Holder in accordance with Section 4.01 of the Partnership Agreement with an equivalent value based on the IPO Price (as defined below) with the result that all of the Holder’s Class B Units will be cancelled, and the shares of Common
Stock will be subject to the same remaining vesting schedule applicable to the Holder’s Class B Units immediately prior to such distribution of shares of Common Stock but after the modification of the vesting schedule described in clause
(i) of this recital, as set forth herein (the “Distribution”); and 
 WHEREAS, the Holder, the Company and limited partners
of the Partnership will enter into a stockholders agreement that will become effective upon the closing of the IPO (the “Stockholders Agreement”) and, among other things, sets forth agreements among the parties thereto with respect to
certain corporate governance matters and restrictions on the issuance or transfer of shares of Common Stock by the Company. 

  
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 NOW, THEREFORE, in consideration of the mutual promises contained herein and for other good and
valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto agree as follows: 
 1. Certain
Definitions. As used in this Agreement, the following terms have the following meanings: 
 (a) “Affiliate” means, with
respect to any Person, any other Person that directly or indirectly Controls, is Controlled by, or is under common Control with, such Person; provided, that the Holder shall not be deemed an Affiliate of the Company or any of its Subsidiaries or
parent entities for purposes of this Agreement. 
 (b) “Cause” means (i) for any Holder party to an effective
employment, consulting or similar agreement that contains a definition of “cause” or similar term, such definition, and (ii) for any other Holder, (1) a failure of the Holder to perform his or her duties (other than as a result
of physical or mental illness or injury); (2) the Holder’s willful misconduct or gross negligence which is injurious to the Company or any of its Affiliates (whether financially, reputationally or otherwise); (3) the Holder’s
breach of his or her fiduciary duty, including duty of loyalty, to the Company and its Affiliates; (4) the Holder’s unauthorized removal from the premises of the Company or any of its Affiliates of any document (in any medium or form)
relating to the Company or any of its Affiliates or the customers of the Company or any of their Affiliates (but only if such removal is reasonably expected to be materially injurious to the Company); (5) the commission by the Holder of any
felony or the commission by the Holder of other serious crime involving moral turpitude or (6) the Holder’s commission of a breach of any of the restrictive covenants contained herein or in any other employment-related agreement between
the Company and the Holder (a “Breach”). If, within the three (3) month period immediately following a Holder’s Termination Date, it is discovered that such Holder’s Services could have been terminated for Cause, as such
term is defined above, or if the Holder commits a Breach, the Holder’s Services shall, at the election of the Board, be deemed to have been terminated for Cause retroactively to the date of the events giving rise to Cause occurred. 

(c) “Change in Control Event” shall mean the occurrence of one or more of the following events: 

(i) the acquisition by an individual, entity or group (within the meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange Act
of 1934, and amended (the “Exchange Act”)) (a “Specified Person”) of beneficial ownership of any capital stock of the Company if, after such acquisition, such Specified Person beneficially owns (within the meaning of Rule 13d-3
under the Exchange Act) 50% or more of either (x) the then-outstanding shares of common stock of the Company (the “Outstanding Company Common Stock”) or (y) the combined voting power of the then-outstanding securities of the
Company entitled to vote generally in the election of directors (the “Outstanding Company Voting Securities”); provided, however, that for purposes of this subsection (i), the following acquisitions shall not constitute a Change in Control
Event: (I) any acquisition directly from the Company (excluding an acquisition pursuant to the exercise, conversion or exchange of any security exercisable for, convertible into or exchangeable for common stock or voting securities of the
Company, unless the Specified Person exercising, converting or exchanging such security acquired such security directly from the Company or an underwriter or agent of the Company) or (II) any acquisition by any corporation pursuant to a Business
Combination (as defined below) which complies with clauses (x) and (y) of subsection (iii) of this definition; or 

  
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 (ii) a change in the composition of the Board that results in the Continuing Directors (as
defined below) no longer constituting a majority of the Board (or, if applicable, the Board of Directors of a successor corporation to the Company), where the term “Continuing Director” means at any date a member of the Board (x) who
was a member of the Board on the date of the initial adoption of the Plan by the Board or (y) who was nominated or elected subsequent to such date by at least a majority of the directors who were Continuing Directors at the time of such
nomination or election or whose election to the Board was recommended or endorsed by at least a majority of the directors who were Continuing Directors at the time of such nomination or election; provided, however, that there shall be excluded from
this clause (y) any individual whose initial assumption of office occurred as a result of an actual or threatened election contest with respect to the election or removal of directors or other actual or threatened solicitation of proxies or
consents, by or on behalf of a person other than the Board; or 
 (iii) the consummation of a merger, consolidation, reorganization,
recapitalization or share exchange involving the Company or a sale or other disposition of all or substantially all of the assets of the Company (a “Business Combination”), unless, immediately following such Business Combination, each of
the following two conditions is satisfied: (x) all or substantially all of the individuals and entities who were the beneficial owners of the Outstanding Company Common Stock and Outstanding Company Voting Securities immediately prior to such
Business Combination beneficially own, directly or indirectly, more than 50% of the then-outstanding shares of common stock and the combined voting power of the then-outstanding securities entitled to vote generally in the election of directors,
respectively, of the resulting or acquiring corporation in such Business Combination (which shall include, without limitation, a corporation which as a result of such transaction owns the Company or substantially all of the Company’s assets
either directly or through one or more subsidiaries) (such resulting or acquiring corporation is referred to herein as the “Acquiring Corporation”) in substantially the same proportions as their ownership of the Outstanding Company Common
Stock and Outstanding Company Voting Securities, respectively, immediately prior to such Business Combination and (y) no Specified Person (excluding any employee benefit plan (or related trust) maintained or sponsored by the Company or by the
Acquiring Corporation) beneficially owns, directly or indirectly, 50% or more of the then-outstanding shares of common stock of the Acquiring Corporation, or of the combined voting power of the then-outstanding securities of such corporation
entitled to vote generally in the election of directors (except to the extent that such ownership existed prior to the Business Combination); or 

(iv) the liquidation or dissolution of the Company. 

(d) “Company Employee” means an employee, director, service provider or consultant of or for the Company or any of its
Subsidiaries. 
 (e) “Competing Business” means, with respect to the Holder, any business engaged in a line of business in
which the Company or its Subsidiaries are engaged as of, or has plans to become engaged within the six-month period immediately following, the Termination Date. 

  
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 (f) “Control” means the possession, directly or indirectly, of the power to
direct or cause the direction of the management and policies of a Person, whether through the ownership of voting securities, by contract or otherwise, and “Controlled” has a correlative meaning. 

(g) “Good Reason” means (i) for any Holder party to an employment, consulting or similar agreement that
contains a definition of “good reason” or similar term, such definition, and (ii) for any other Holder, the occurrence of any of the following without such Holder’s prior written consent: 

(i) a material diminution in the Holder’s duties and responsibilities other than a change in the Holder’s duties and
responsibilities that results from becoming part of a larger organization following a Change in Control Event; 
 (ii) a material decrease
in the Holder’s base salary; or 
 (iii) a relocation of the Holder’s primary work location such that his or her daily commute is
increased by more than 75 miles; 
 provided that, within thirty days following the occurrence of any of the events set forth herein, the Holder shall have
delivered written notice to the Board of his intention to terminate his Services for Good Reason, which notice specifies in reasonable detail the circumstances claimed to give rise to the Holder’s right to terminate Services for Good Reason,
and the Company shall not have cured such circumstances within sixty days following the Board’s receipt of such notice. 
 (h)
“GS Limited Partners” means, collectively, GS Capital Partners VI Fund, L.P., GS Capital Partners VI Parallel, L.P., GS Capital Partners VI Offshore Fund, L.P., GS Capital Partners VI GmbH & Co. KG, MBD 2011 Holdings, L.P.,
Bridge Street 2011, L.P., Bridge Street 2011 Offshore, L.P. and their respective Affiliates that are limited partners in the Partnership. 

(i) “Person” means any individual, corporation, partnership, limited liability company, joint venture, association,
joint-stock company, trust, unincorporated organization, governmental entity or any other entity. 
 (j) “Restricted
Period” means the period beginning on the Termination Date and ending on the two-year anniversary of the Termination Date. 

(k) “Services” means the provision of services to the Company or any of its Subsidiaries as an employee, director or
independent contractor for the Company or any of its Subsidiaries. 
 (l) “Sponsor” means either (i) the
WP Limited Partners together or (ii) the GS Limited Partners together. 
 (m) “Subsidiary” of any Person
means any Person (i) of which a majority of the outstanding voting securities or other voting equity interests are owned, directly or indirectly,  

  
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by such first Person or by any Subsidiary of such first Person, (ii) with respect to which such first Person or any of its Subsidiaries is a general partner or managing member or is
allocated or has the right to be allocated (through partnership interests or otherwise) a majority of such second Person’s gains or losses. 

(n) “Termination Date” means the date on which the Holder ceases to provide Services. 

(o) “WP Limited Partners” means, collectively, Warburg Pincus Private Equity X, L.P., Warburg Pincus X Partners, L.P.,
WP Expedition Co-Invest L.P. and their respective Affiliates that are limited partners of the Partnership. 
 2. Restricted
Shares. 
 (a) Subject to the terms and conditions set forth in this Agreement, effective as of the Effective Time, the Company and the
Partnership will cause the Class B Units to be cancelled and cease to be issued and outstanding, and in distribution therefor, the Partnership will transfer to the Holder those number of vested shares of Common Stock (the “Vested Shares”)
and unvested shares of Common Stock (the “Unvested Shares” and, together with the Vested Shares, the “Restricted Shares”) as set forth on Schedule A attached hereto. 

(b) The number of Restricted Shares shall be calculated by the General Partner, in its sole discretion, based on the price at which Common
Stock is sold to the public in the IPO (the “IPO Price”) and the relative rights, preferences and priorities applicable to the Class B Units under the Partnership Agreement immediately prior to the Distribution. 

(c) No fractional shares of Common Stock shall be transferred with respect to the cancellation of the Class B Units and distribution of shares
of Common Stock. In lieu of any fractional Restricted Shares to which the Holder would otherwise be entitled, whether Vested Shares or Unvested Shares, the Company, on behalf of the Partnership, shall pay cash equal to such fraction multiplied by
the IPO Price. 
 (d) The Restricted Shares will initially be recorded by the Company in book entry only form in the name of the Holder.
Following the vesting of any Restricted Shares pursuant to Section 3 below, the Company shall, if requested by the Holder, issue and deliver to the Holder a certificate representing the Vested Shares. The Holder agrees that the
Restricted Shares shall be subject to the forfeiture provisions set forth in Section 4 of this Agreement and the restrictions on transfer set forth in Section 5 of this Agreement. 

3. Vesting. The Vested Shares shall not be subject to any forfeiture restrictions. The Unvested Shares shall vest in accordance
with Schedule A attached hereto. If, within the one-year period following a Change in Control Event, the Services of the Holder are terminated by the Company without Cause or by the Holder for Good Reason, then any remaining Unvested Shares
shall become Vested Shares as of the Termination Date. 
 4. Forfeiture of Unvested Restricted Shares Upon Employment Termination.
Except as set forth in Section 3 above, in the event that the Holder ceases to provide Services to the Company or any of its Subsidiaries (each such entity, a “Participating Entity”) for any reason or

  
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no reason, with or without Cause, all of the Restricted Shares that are unvested as of the Termination Date shall be forfeited immediately and automatically to the Company, without the payment of
any consideration to the Holder, effective as of the Termination Date. The Holder shall have no further rights with respect to any Restricted Shares that are so forfeited. If the Holder provides Services to a Participating Entity, any references in
this Agreement to the provision of Services to the Company shall instead be deemed to refer to the provision of Services to such Participating Entity. 

5. Restrictions on Transfer. The Holder shall not sell, assign, transfer, pledge, hypothecate or otherwise encumber, by operation of
law or otherwise (collectively “transfer”) any Restricted Shares, or any interest therein, until such Restricted Shares have vested, except that the Holder may transfer such Restricted Shares to or for the benefit of any immediate family
member, family trust or other entity established for the benefit of the Holder and/or an immediate family member thereof if the Company would be eligible to use a Form S-8 under the Securities Act of 1933, as amended (the “Securities
Act”), for the registration of the sale of the Restricted Shares to such proposed transferee, provided that the Company shall not be required to recognize any such permitted transfer until such time as such permitted transferee shall, as a
condition to the transfer, deliver to the Company a written instrument in form and substance satisfactory to the Company confirming that such transferee shall be bound by all of the terms and conditions of this Agreement. The Company shall not be
required to (i) transfer on its books any of the Restricted Shares which have been transferred in violation of any of the provisions of this Agreement or (ii) treat as owner of such Restricted Shares or to pay dividends to any transferee
to whom such Restricted Shares have been transferred in violation of any of the provisions of this Agreement. 
 6. Restrictive
Legends. The book entry account reflecting the issuance of the Restricted Shares in the name of the Holder shall bear a legend or other notation upon substantially the following terms: 

“THESE SHARES OF STOCK ARE SUBJECT TO FORFEITURE PROVISIONS AND RESTRICTIONS ON TRANSFER SET FORTH IN A CERTAIN RESTRICTED STOCK
AGREEMENT AND ACKNOWLEDGMENT (THE “AGREEMENT”) BETWEEN THE CORPORATION AND THE REGISTERED OWNER OF THESE SHARES (OR HIS, HER OR ITS PREDECESSOR IN INTEREST), AND SUCH AGREEMENT IS AVAILABLE FOR INSPECTION WITHOUT CHARGE AT THE OFFICE OF
THE SECRETARY OF THE CORPORATION.” 
 7. Rights as a Stockholder. Except as otherwise provided in this Agreement, for so
long as the Holder is the registered owner of the Restricted Shares, the Holder shall have all rights as a stockholder with respect to the Restricted Shares, whether vested or unvested, including, without limitation, rights to vote the Restricted
Shares and act in respect of the Restricted Shares at any meeting of stockholders; provided that the payment of dividends on unvested Restricted Shares shall be deferred until such time as the shares vest. 

  
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 8. Tax Matters. 

(a) Section 83(b) Election; Acknowledgments. 

(i) Within 10 days after the Effective Time, the Holder shall provide the Company with a copy of a completed election under
Section 83(b) of the Internal Revenue Code of 1986, as amended, and the regulations promulgated thereunder (the “Code”) in the form of Exhibit I attached hereto. The Holder shall timely file (within 30 days after the Effective
Time, via certified mail, return receipt requested) such election with the Internal Revenue Service, and thereafter shall certify to the Company that the Holder has made such timely filing and furnish a copy of such filing to the Company. IN
FURTHERANCE, AND NOT IN LIMITATION OF THE FOREGOING, THE HOLDER ACKNOWLEDGES THAT IT IS SOLELY THE HOLDER’S RESPONSIBILITY AND NOT THE COMPANY’S RESPONSIBILITY TO FILE TIMELY THE ELECTION UNDER SECTION 83(B) OF THE CODE, EVEN IF THE HOLDER
REQUESTS THE COMPANY OR ITS REPRESENTATIVES TO MAKE THIS FILING ON THE HOLDER’S BEHALF. 
 (ii) The Holder acknowledges that he or
she is responsible for obtaining the advice of the Holder’s own tax advisors with respect to the Distribution and the acquisition of the Restricted Shares, and the Holder is relying solely on such advisors and not on any statements or
representations of the Company or any of its agents with respect to the tax consequences relating to the Distribution or the Restricted Shares, including, without limitation, the consequences of a Section 83(b) election, as well as the receipt,
vesting, holding and sale of the Restricted Shares. The Holder understands that the Holder (and not the Company) shall be responsible for the Holder’s tax liability that may arise in connection with Distribution and the acquisition, vesting
and/or disposition of the Restricted Shares. 
 (b) Withholding. The Holder may be required to pay to the Company or any of its
Affiliates, and the Company shall have the right and is hereby authorized to withhold, any applicable withholding taxes in respect of the Restricted Shares, their grant or vesting or any payment or transfer with respect to the Restricted Shares at
the minimum applicable statutory rates, and to take such action as may be necessary in the opinion of the Board of Directors of the Company (the “Board”) or any one or more committees or subcommittees of the Board, as such may be
designated by the Board from time to time, to satisfy all obligations for the payment of such withholding taxes. 
 9. Agreement in
Connection with Initial Public Offering. The Holder agrees, in connection with the IPO, (i) not to (a) offer, pledge, announce the intention to sell, sell, contract to sell, sell any option or contract to purchase, purchase any option
or contract to sell, grant any option, right or warrant to purchase, or otherwise transfer or dispose of, directly or indirectly, any shares of Common Stock or any other securities of the Company convertible into or exercisable or exchangeable for
shares of Common Stock or (b) enter into any swap or other agreement that transfers, in whole or in part, any of the economic consequences of ownership of shares of Common Stock or other securities of the Company, whether any transaction
described in clause (a) or (b) is to be settled by delivery of securities, in cash or otherwise, during the period beginning on the date of the filing of the Registration Statement with the Securities and Exchange Commission and ending 180
days after the date of the final prospectus relating to the 

  
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IPO (plus up to an additional 34 days to the extent requested by the managing underwriters for the IPO in order to address Rule 2711(f) of the National Association of Securities Dealers, Inc. or
any similar successor provision), and (ii) to execute any agreement reflecting clause (i) above as may be requested by the Company or the managing underwriters at the time of such offering. The Company may impose stop-transfer instructions
with respect to the shares of Common Stock or other securities subject to the foregoing restriction until the end of the “lock-up” period. 

10. Adjustments for Stock Splits, Stock Dividends, etc. 

(a) If from time to time there is any stock split, stock dividend, stock distribution or other reclassification of the Common Stock of the
Company, any and all new, substituted or additional securities to which the Holder is entitled by reason of his, her or its ownership of the Restricted Shares shall be immediately subject to the purchase options, the restrictions on transfer and the
other provisions of this Agreement in the same manner and to the same extent as the Restricted Shares. 
 (b) Upon the occurrence of any
merger or consolidation of the Company with or into another entity as a result of which all of the Common Stock of the Company is converted into or exchanged for the right to receive cash, securities or other property or any exchange of all of the
Common Stock of the Company for cash, securities or other property pursuant to a share exchange transaction, the repurchase and other rights of the Company hereunder shall inure to the benefit of the Company’s successor and shall apply to the
cash, securities or other property which the Restricted Shares were converted into or exchanged for pursuant to such transaction in the same manner and to the same extent as they applied to the Restricted Shares under this Agreement. If, in
connection with such a transaction, a portion of the cash, securities and/or other property received upon the conversion or exchange of the Restricted Shares is to be placed into escrow to secure indemnification or similar obligations, the mix
between the vested and unvested portion of such cash, securities and/or other property that is placed into escrow shall be the same as the mix between the vested and unvested portion of such cash, securities and/or other property that is not subject
to escrow. 
 11. Restrictive Covenants. 

(a) The restrictive covenants contained in this Section 11 shall only apply to the Holder to the extent the Holder provides, or has
in the past provided, Services; provided that (i) the restrictive covenants contained in this Section 11 shall not apply to the extent the Holder is a party to an employment or consulting agreement with the Company or any of
its Affiliates that is effective as of the date of this Agreement and that contains restrictive covenants, in which case the restrictive covenants in such agreement shall control, and (ii) the restrictive covenants set forth in Sections
11(b), 11(c)(i) and 11(c)(ii) below shall not apply to the Holder if the Holder’s principal place of the provision of Services is located in the State of California. 

(b) Non-Competition. 

(i) The Holder hereby acknowledges and recognizes the highly competitive nature of the businesses of the Company and its Affiliates and
accordingly agrees that during the period in which he or she provides Services and the Restricted Period, the Holder 

  
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will not directly or indirectly become an employee, director, or independent contractor of, or a consultant to, or perform any Services for, or acquire any financial interest in, any Person
engaging in a Competing Business. 
 (ii) Notwithstanding anything to the contrary in this Agreement, the Holder may: (A) directly or
indirectly own, solely as an investment, securities of any Person engaged in a Competing Business which are publicly traded on a national or regional stock exchange or on the over-the-counter market if the Holder (1) is not a controlling person
of, or a member of a group which controls, such person and (2) does not, directly or indirectly, own one percent (1%) or more of any class of securities of such Person (excluding any interest the Holder owns through a mutual fund, private
equity fund or other pooled account); and (B) provide Services for a Subsidiary or division of a Person that is engaged in a Competing Business as long as such Subsidiary or division (1) is not itself engaged in a Competing Business and
(2) does not, and the Holder does not, provide any Services to the Person that is engaged in a Competing Business that relate (directly or indirectly) to such Competing Business. 

(c) Non-Solicitation. During the period in which he or she provides Services and the Restricted Period, the Holder will not, whether on
the Holder’s own behalf or on behalf of or in conjunction with any person, company, business entity or other organization whatsoever, solicit or hire, or attempt to solicit or hire: 

(i) any customer or supplier of the Company or any of its Affiliates in connection with any business activity that then competes with the
Company or such Affiliate(s) or to terminate or alter in a manner adverse to the Company or such Affiliate(s) such customer’s or supplier’s relationship with the Company or such Affiliate(s); 

(ii) any investor or limited partner in the Sponsor (to the extent known to the Holder as such); or 

(iii) any Company Employee or individual who was a Company Employee within the six-month period immediately prior to the Termination Date to
terminate or otherwise alter his or her employment with, and/or provision of Services for, the Company or its Affiliates. 
 (d)
Confidentiality. 
 (i) The Holder hereby agrees that, during the period in which he or she provides Services and thereafter, other
than in the proper performance of his or her duties for the Company and its Affiliates, he or she will hold in strict confidence any proprietary information or Confidential Information related to the Company or any of its Affiliates. For purposes of
this Agreement, the term “Confidential Information” shall mean all information of the Company or any of its Affiliates (in whatever form) which is not generally known to the public, including without limitation any inventions,
processes, methods of distribution, customer lists or customers’ or trade secrets, provided that Confidential Information shall not include (i) information the Holder is required to disclose by applicable law, regulation or legal process
so long as the Holder notifies the Company promptly (it being understood that “promptly” shall mean “prior to” unless prior notice is not possible, in which case “promptly” shall mean as soon

  
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as practicable following) of the Holder’s obligation to disclose Confidential Information by applicable law, regulation or legal process and cooperates with the Company to limit the extent
of such disclosure or (ii) any information that is or becomes publicly known through no fault of the Holder. 
 (ii) The Holder hereby
agrees that, as of his or her Termination Date, whether at the insistence of the Holder or the Company, and regardless of the reasons therefor, he or she will deliver to the Company, and not keep or deliver to anyone else, any and all notes, files,
memoranda, papers and, in general, any and all physical and electronic matter containing Confidential Information, including any and all documents significant to the conduct of the business of the Company or any Subsidiary or Affiliate of the
Company which are in his or her possession, except for any documents for which the Company or any Subsidiary or Affiliate of the Company has given written consent to removal as of the Termination Date. 

(e) Non-Disparagement. The Holder hereby agrees that he or she will not, any time during the period in which he or she provides
Services and thereafter, directly or indirectly, disparage (i) the Company, any Sponsor or their respective Affiliates, (ii) the business, property or assets of the Company or its Affiliates, or (iii) any of the former, current or
future officers, directors, employees or shareholders of the Company or its Affiliates. Nothing in this Section 11(e) shall be construed to limit the ability of the Holder to give truthful testimony pursuant to valid legal process,
including but not limited to, a subpoena, court order or a government investigative matter. 
 (f) Injunctive Relief. It is
impossible to measure in money the damages that will accrue to the Company or any of its Affiliates in the event that the Holder breaches any of the provisions of this Section 11. In the event that the Holder breaches any such provision,
the Company or any of its Affiliates shall be entitled to seek an injunction restraining the Holder from violating such provision (without posting any bond). If the Company or any of its Affiliates shall institute any action or proceeding to enforce
any such provision, the Holder hereby waives the claim or defense that the Company or any of its Affiliates has an adequate remedy at law and agrees not to assert in any such action or proceeding the claim or defense that the Company or any of its
Affiliates has an adequate remedy at law. The foregoing shall not prejudice the Company’s or any of its Affiliates’ other rights or remedies under applicable law or equity. 

12. Miscellaneous. 
 (a)
Further Acknowledgements and Agreements. Except as otherwise set forth herein, this Agreement and the Restricted Shares shall be subject to the terms and conditions set forth in the Stockholders Agreement. The Holder acknowledges that the
Restricted Shares have not been registered under the Securities Act, and accordingly, may not be sold or transferred except pursuant to an effective registration statement under the Securities Act or pursuant to an applicable exemption therefrom.
The Holder hereby further acknowledges and agrees that: 
 (i) he or she has read this Agreement and understands the terms and conditions
of this Agreement; 

  
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 (ii) upon consummation of the Distribution, the Holder will (A) no longer hold any Class B
Units, (B) no longer be a Limited Partner (as defined in the Partnership Agreement) and (C) will have no surviving rights under the governing documents of the Partnership, including, without limitation, the Partnership Agreement; and 

(iii) this Agreement, together with any other equity of the Company received in connection with the Distribution, are in replacement of, and
supersede in all respects, the Class B Units. 
 (b) Waiver; Amendment. The Board or any one or more committees or subcommittees of
the Board, as such may be designated by the Board from time to time, may waive any conditions or rights under, amend any terms of, or alter, suspend, discontinue, cancel or terminate this Agreement, but no such waiver, amendment, alteration,
suspension, discontinuance, cancellation or termination shall materially adversely affect the rights of the participant hereunder without the consent of the Holder. Notwithstanding anything to the contrary in this Agreement, the Company may amend
and update the number of Restricted Shares set forth on Schedule A attached hereto prior to or following the effective date of the IPO based on the IPO Price. 

(c) Cooperation. Upon the vesting of any Unvested Shares, the Holder will make or enter into such written representations, warranties
and agreements as the Board or any one or more committees or subcommittees of the Board, as such may be designated by the Board from time to time, may reasonably request in order to comply with applicable securities laws or this Agreement. The
Holder hereby further agrees to cooperate with the Company in taking any action reasonably necessary or advisable to consummate the transactions contemplated by this Agreement. 

(d) No Right to Continued Service. The Holder acknowledges and agrees that, notwithstanding the fact that the vesting of the Restricted
Shares is contingent upon his or her continued Service by the Company, this Agreement does not constitute an express or implied promise of continued Service or confer upon the Holder any rights with respect to continued Service by the Company. 

(e) Notices. Any notice necessary under this Agreement shall be addressed to the Company in care of its Secretary at the principal
executive office of the Company and to the Holder at the address set forth on the signature page attached hereto or to either party at such other address as either party hereto may hereafter designate in writing to the other. Any such notice shall
be deemed effective upon receipt thereof by the addressee. 
 (f) Governing Law. This Agreement shall be construed, interpreted and
enforced in accordance with the internal laws of the State of Delaware, without regard to any applicable conflicts of law provisions. 

[Signature page follows.] 

  
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 IN WITNESS WHEREOF, effective as of the Effective Date, the Holder acknowledges and accepts the
terms of this Agreement. 
  

	
	HOLDER:
	
	  

	
	 [Name]

	
	 Address:

	 [Street Address]

	 [City, State Zip]

	 [Facsimile]

	 [E-mail]

 Acknowledged and confirmed by: 
  

			
	 ENDURANCE INTERNATIONAL

GROUP HOLDINGS, INC.

		
	By:	 	  

	Name:	 	
	Title:	 	
	
	WP EXPEDITION TOPCO L.P.
		
	By:	 	  

	Name:	 	
	Title:	 	

 [Signature Page to Restricted Stock Agreement 

and Acknowledgement] 

 Schedule A 

 

									
	 Class B Units
	  	Restricted Shares(1)
	 Class of Units
	  	Number of
Vested Units	  	Number of
Unvested
Units	  	Number of
Vested
Shares	  	Number of
Unvested
Shares
	 Class B-1 Units
	  		  		  		  	
	 Class B-2 Units
	  		  		  		  	

  

	(1) 	The Company shall specify the number of Restricted Shares promptly following the pricing of the IPO. 

Vesting Terms 
 [To be inserted for each Holder.]

  
 A-1 

 Exhibit I 

Form of Section 83(b) Election 

(see attached) 

 Election to Include Value of Restricted Property in Gross Income in 

Year of Transfer Pursuant to Section 83(b) of the Internal Revenue Code 

The undersigned hereby makes an election pursuant to Section 83(b) of the Internal Revenue Code of 1986, as amended, with respect to the
property described below and supplies the following information in accordance with Treas. Reg. § 1.83-2: 
 The name, address,
and taxpayer identification number of the undersigned are: 
 [Name] 

[Address] 
 [City,
State Zip] 
 Taxpayer identification number: [Social Security Number] 

A description of the property with respect to which this election is being made is as follows: 

[insert number of unvested shares of common stock] shares of Common Stock, $0.00001 par value per share, of Endurance International
Group Holdings, Inc., a Delaware corporation (the “Company”). 
 The date on which the property was transferred or the date on
which the restrictions on such property were imposed, whichever is later, and the taxable year for which this election is being made are as follows: 

Date of transfer or the date on which the restrictions were imposed: [Insert effective date of IPO], 2013 

Taxable year: calendar year 2013 

The nature of the restrictions to which the property is subject is as follows: 

The property is subject to vesting provisions and may be forfeited under the terms of a restricted stock agreement executed between the
undersigned and the Company. 
 The fair market value of the property at the time of the transfer or the date on which the restrictions
on such property were imposed, whichever is later, (determined without regard to any lapse restriction, as defined in Treas. Reg. § 1.83-3(i)) is: 

The fair market value of the property at the time of the transfer with respect to which this election is made is [Insert aggregate FMV of
all shares of unvested common stock based on IPO price to public], equal to the fair market value of [Insert FMV of unvested common stock on a per share basis based on IPO price to public] per share of Common Stock of the Company. 

 The amount paid for the property by the undersigned is: 

$[Insert aggregate FMV of all unvested shares of common stock based on IPO price to public], equal to the fair market value of
[Insert aggregate FMV of all unvested shares of common stock (based on IPO price to public_ divided by number of unvested Class B units exchanged therefor] per Class B Unit of WP Expedition Topco L.P.. 

In accordance with Treas. Reg. § 1.83-2(d) & (e)(7), a copy of this statement has been furnished to the Company. 

 

					
	Dated: [             ], 2013	 	[                                      
                          ]	  	
		 	 Name:[                     ]EX-10.29

 Exhibit 10.29 
 Form of Director Stock Option Agreement 
 ENDURANCE INTERNATIONAL GROUP
HOLDINGS, INC. 
 Stock Option Agreement 
 2013 Stock Incentive Plan 
 This Stock Option Agreement (this “Agreement”)
is made between Endurance International Group Holdings, Inc., a Delaware corporation (the “Company”), and the Participant. 
 NOTICE OF GRANT 
  

	I.	Participant Information 

  

			
	 Participant:
	 	
	 Participant Address:
	 	

  

	II.	Grant Information 

  

			
	Grant Date:	  	
	Number of Shares:	  	
	Exercise Price Per Share:	  	
	Vesting Commencement Date:	  	
	Type of Option:	  	Nonstatutory Stock Option

  

	III.	Vesting Table 

  

			
	 Vesting Date
	  	 Shares that Vest

	 First anniversary of Vesting Commencement Date
	  	25%
	 Monthly for three years following first anniversary of Vesting Commencement Date
	  	2.0833%

  

	IV.	Expiration Date 

  

			
	 5:00 pm Eastern time on Date:
	  	

 This Agreement includes this Notice of Grant and the following Exhibits, which are expressly incorporated by reference in
their entirety herein: 
 Exhibit A – General Terms and Conditions 
 Exhibit B – Definitions 
 Exhibit C – 2013 Stock Incentive Plan 

IN WITNESS WHEREOF, the parties hereto have executed this Agreement. 
  

							
	ENDURANCE INTERNATIONAL GROUP HOLDINGS, INC.	 		 	PARTICIPANT	 	
	  
	 		 	  
	 	
	Name:	 		 	Name:	 	
	Title:	 		 		 	

 Form of Director Stock Option Agreement 

Stock Option Agreement 
 2013 Stock Incentive Plan 
 EXHIBIT A 

GENERAL TERMS AND CONDITIONS 
 For valuable consideration, receipt of which is acknowledged, the parties hereto agree as follows: 

1. Grant of Option. This Agreement evidences the grant by the Company, on the grant date (the “Grant Date”) set forth in the
Notice of Grant that forms part of this Agreement (the “Notice of Grant”), to the Participant of an option to purchase, in whole or in part, on the terms provided herein and in the Company’s 2013 Stock Incentive Plan (the
“Plan”), the number of shares set forth in the Notice of Grant (the “Shares”) of common stock, $0.0001 par value per share, of the Company (“Common Stock”) at the exercise price per Share set forth
in the Notice of Grant (the “Exercise Price”). Unless earlier terminated, this option shall expire at the time set forth in the Notice of Grant (the “Final Exercise Date”). 

It is intended that the option evidenced by this Agreement shall not be an incentive stock option as defined in Section 422 of the
Internal Revenue Code of 1986, as amended, and any regulations promulgated thereunder (the “Code”). Except as otherwise indicated by the context, the term “Participant”, as used in this option, shall be deemed to include
any person who acquires the right to exercise this option validly under its terms. 
 2. Vesting Schedule. 

This option will become exercisable (“vest”) in accordance with the Vesting Table set forth in the Notice of Grant.

 The right of exercise shall be cumulative so that to the extent the option is not exercised in any period to the maximum
extent permissible it shall continue to be exercisable, in whole or in part, with respect to all Shares for which it is vested until the earlier of the Final Exercise Date or the termination of this option under Section 3 hereof or the Plan.

 Notwithstanding the foregoing, upon the consummation of a Change in Control Event, the then remaining unvested portion of the
option shall immediately vest and become fully exercisable. “Change in Control Event” is defined in Exhibit B. 
 3.
Exercise of Option. 
 (a) Form of Exercise. Each election to exercise this option shall be accompanied by a
notice of exercise in the form designated by the Company or its designee, or by such other notification, including electronic notification, as may be permitted by the Company or its designee and in all cases accompanied by payment in full in the
manner provided in the Plan. The Participant may purchase less than the number of Shares covered hereby, provided that no partial exercise of this option may be for any fractional share. 

 (b) Continuous Relationship with the Company Required. Except as otherwise provided
in this Section 3, this option may not be exercised unless the Participant, at the time he or she exercises this option, is, and has been at all times since the Grant Date, an employee, officer or director of, or consultant or advisor to, the
Company or any other entity (a “Participating Entity”) the service providers of which are eligible to receive an award under the Plan (an “Eligible Participant”). If the Participant provides services to a
Participating Entity, any references in this Agreement to service with the Company shall instead be deemed to refer to service with such Participating Entity. 
 (c) Termination of Relationship with the Company. If the Participant ceases to be an Eligible Participant for any reason, then, except as provided in paragraphs (d), (e) and
(f) below or expressly set forth in another agreement between the Participant and the Company, the right to exercise this option shall terminate ninety (90) days after such cessation (but in no event after the Final Exercise Date),
provided that this option shall be exercisable only to the extent that the Participant was entitled to exercise this option on the date of such cessation. Notwithstanding the foregoing, if the Participant, prior to the Final Exercise
Date, violates the non-competition or confidentiality provisions of any employment contract, confidentiality and nondisclosure agreement or other agreement between the Participant and the Company, the right to exercise this option shall terminate
immediately upon such violation. 
 (d) Exercise Period Upon Disability. If the Participant ceases to be an Eligible
Participant by reason of becoming disabled (within the meaning of Section 22(e)(3) of the Code) prior to the Final Exercise Date and the Company has not terminated such relationship for “cause” as defined in paragraph (f) below,
then, except as expressly set forth in another agreement between the Participant and the Company, this option shall be exercisable, within the period of six months following such cessation (but in no event after the Final Exercise Date), by the
Participant, provided that this option shall be exercisable only to the extent that this option was exercisable by the Participant on the date of such cessation. 
 (e) Exercise Period Upon Death. If the Participant ceases to be an Eligible Participant by reason of his or her death prior to the Final Exercise Date and the Company has not terminated such
relationship for “cause”, or the Participant dies within the ninety (90)-day period following cessation of service with the Company other than for “cause”, then, except as expressly set forth in another agreement between the
Participant and the Company, this option shall be exercisable, within the period of six months following the date of death of the Participant (but in no event after the Final Exercise Date), by the Participant’s authorized transferee,
provided that this option shall be exercisable only to the extent that this option was exercisable by the Participant on the date of his or her death. 
 (f) Termination for Cause. If, prior to the Final Exercise Date, the Participant’s service is terminated by the Company for Cause (as defined below), then, except as expressly set forth in
another agreement between the Participant and the Company, the right to exercise this option shall terminate immediately upon the effective date of such termination of service. If the Participant is party to an employment, service or severance
agreement with the Company that contains a definition of “cause” for termination of service, “Cause” shall have the meaning ascribed to such term in such agreement. Otherwise, “Cause” shall mean
(i) Participant’s willful failure substantially to perform his or her duties and responsibilities to the Company or deliberate 

 
violation of a Company policy; (ii) Participant’s commission of any act of fraud, embezzlement, dishonesty or any other willful misconduct that has caused or is reasonably expected to
result in material injury to the Company; (iii) unauthorized use or disclosure by Participant of any proprietary information or trade secrets of the Company or any other party to whom the Participant owes an obligation of nondisclosure as a
result of his or her relationship with the Company; or (iv) Participant’s willful breach of any of his or her obligations under any written agreement or covenant with the Company (including, without limitation, breach by the Participant of
any provision of any employment, consulting, advisory, nondisclosure, non-competition or other similar agreement between the Participant and the Company), as determined by the Company, which determination shall be conclusive. The Participant’s
service shall be considered to have been terminated for Cause if the Company determines, within 30 days after the Participant’s resignation, that termination for Cause was warranted. 
 4. Tax Matters. No Shares will be issued pursuant to the exercise of this option unless and until the Participant pays to the Company, or makes provision satisfactory to the Company for payment of,
any federal, state or local withholding taxes required by law to be withheld in respect of this option. 
 5. Transfer Restrictions. This
option may not be sold, assigned, transferred, pledged or otherwise encumbered by the Participant, either voluntarily or by operation of law, except by will or the laws of descent and distribution, and, during the lifetime of the Participant, this
option shall be exercisable only by the Participant. The terms of this Agreement shall be binding upon the executors, administrators, heirs, successors and assigns of the Participant. 
 6. Agreement in Connection with Initial Public Offering. The Participant agrees, in connection with the initial underwritten public offering of the Common Stock pursuant to a registration statement
under the Securities Act, (i) not to (a) offer, pledge, announce the intention to sell, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to
purchase, or otherwise transfer or dispose of, directly or indirectly, any shares of Common Stock or any other securities of the Company or (b) enter into any swap or other agreement that transfers, in whole or in part, any of the economic
consequences of ownership of shares of Common Stock or other securities of the Company, whether any transaction described in clause (a) or (b) is to be settled by delivery of securities, in cash or otherwise, during the period beginning on
the date of the filing of such registration statement with the Securities and Exchange Commission and ending 180 days after the date of the final prospectus relating to the offering (plus up to an additional 34 days to the extent requested by the
managing underwriters for such offering in order to address Rule 2711(f) of the National Association of Securities Dealers, Inc. or any similar successor provision), and (ii) to execute any agreement reflecting clause (i) above as may be
requested by the Company or the managing underwriters at the time of such offering. The Company may impose stop-transfer instructions with respect to the shares of Common Stock or other securities subject to the foregoing restriction until the end
of the “lock-up” period. 
 7. Miscellaneous. 
 (a) No Rights to Service. The Participant acknowledges and agrees that the grant of the this option and its vesting pursuant to Section 2 do not constitute an express or implied promise of
continued service with the Company for the vesting period of the option, or for any period. 

 (b) Entire Agreement. This Agreement and the Plan constitute the entire agreement
between the parties, and supersede all prior agreements and understandings, relating to the subject matter of this Agreement; provided that any separate employment or severance agreement between the Company and the Participant that includes terms
relating to the acceleration of vesting of equity awards shall not be superseded by this Agreement. In the event of a conflict between the terms and provisions of the Plan and the terms and provisions of this Agreement, the Plan terms and provisions
shall prevail. 
 (c) Governing Law. This Agreement shall be construed, interpreted and enforced in accordance with the
internal laws of the State of Delaware, without regard to any applicable conflict of law principles. 

 EXHIBIT B 
 DEFINITIONS 
 “Change in Control Event” shall mean the occurrence
of one or more of the following events: 
 (1) the acquisition by an individual, entity or group (within the meaning of
Section 13(d)(3) or 14(d)(2) of the Securities Exchange Act of 1934, and amended (the “Exchange Act”)) (a “Person”) of beneficial ownership of any capital stock of the Company if, after such acquisition, such Person
beneficially owns (within the meaning of Rule 13d-3 under the Exchange Act) 50% or more of either (x) the then-outstanding shares of common stock of the Company (the “Outstanding Company Common Stock”) or (y) the combined voting
power of the then-outstanding securities of the Company entitled to vote generally in the election of directors (the “Outstanding Company Voting Securities”); provided, however, that for purposes of this subsection (1), the following
acquisitions shall not constitute a Change in Control Event: (I) any acquisition directly from the Company (excluding an acquisition pursuant to the exercise, conversion or exchange of any security exercisable for, convertible into or
exchangeable for common stock or voting securities of the Company, unless the Person exercising, converting or exchanging such security acquired such security directly from the Company or an underwriter or agent of the Company) or (II) any
acquisition by any corporation pursuant to a Business Combination (as defined below) which complies with clauses (x) and (y) of subsection (3) of this definition; or 

(2) a change in the composition of the Board that results in the Continuing Directors (as defined below) no longer constituting a
majority of the Board (or, if applicable, the Board of Directors of a successor corporation to the Company), where the term “Continuing Director” means at any date a member of the Board (x) who was a member of the Board on the date of
the initial adoption of the Plan by the Board or (y) who was nominated or elected subsequent to such date by at least a majority of the directors who were Continuing Directors at the time of such nomination or election or whose election to the
Board was recommended or endorsed by at least a majority of the directors who were Continuing Directors at the time of such nomination or election; provided, however, that there shall be excluded from this clause (y) any individual whose
initial assumption of office occurred as a result of an actual or threatened election contest with respect to the election or removal of directors or other actual or threatened solicitation of proxies or consents, by or on behalf of a person other
than the Board; or 
 (3) the consummation of a merger, consolidation, reorganization, recapitalization or share exchange
involving the Company or a sale or other disposition of all or substantially all of the assets of the Company (a “Business Combination”), unless, immediately following such Business Combination, each of the following two conditions is
satisfied: (x) all or substantially all of the individuals and entities who were the beneficial owners of the Outstanding Company Common Stock and Outstanding Company Voting Securities immediately prior to such Business Combination beneficially
own, directly or indirectly, more than 50% of the then-outstanding shares of common stock and the combined voting power of the then-outstanding securities entitled to vote generally in the election of directors, respectively, of the resulting or
acquiring corporation in such Business Combination (which shall include, without limitation, a corporation 

 
which as a result of such transaction owns the Company or substantially all of the Company’s assets either directly or through one or more subsidiaries) (such resulting or acquiring
corporation is referred to herein as the “Acquiring Corporation”) in substantially the same proportions as their ownership of the Outstanding Company Common Stock and Outstanding Company Voting Securities, respectively, immediately prior
to such Business Combination and (y) no Person (excluding any employee benefit plan (or related trust) maintained or sponsored by the Company or by the Acquiring Corporation) beneficially owns, directly or indirectly, 50% or more of the
then-outstanding shares of common stock of the Acquiring Corporation, or of the combined voting power of the then-outstanding securities of such corporation entitled to vote generally in the election of directors (except to the extent that such
ownership existed prior to the Business Combination); or 
 (4) the liquidation or dissolution of the Company. 

 EXHIBIT C 

2013 STOCK INCENTIVE PLAN

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