Document:

EX-4.4

 Exhibit 4.4 
 Execution Version 
 Hornbeck Offshore Services, Inc.

 $450,000,000 
 5.000% Senior Notes due 2021 
 unconditionally guaranteed as to the

 payment of principal, premium, 
 if any, and interest by 
 Energy Services Puerto Rico, LLC

 Hornbeck Offshore Operators, LLC 
 Hornbeck Offshore Services, LLC 
 Hornbeck Offshore Transportation, LLC

 Hornbeck Offshore Trinidad & Tobago, LLC 

HOS-IV, LLC 

HOS Port, LLC 
  

 

Exchange and Registration Rights Agreement 
 March 28, 2013 
 Barclays Capital Inc. 

  As representative of the 

  several Purchasers listed in 

  Schedule 1 to the Purchase Agreement 

c/o Barclays Capital Inc. 
 745 Seventh Avenue

 New York, New York 10019 
 Ladies
and Gentlemen: 
 Hornbeck Offshore Services, Inc., a Delaware corporation (the “Company”), proposes to issue and sell
to the Purchasers (as defined herein) upon the terms set forth in the Purchase Agreement (as defined herein) $450,000,000 aggregate principal amount of the Company’s 5.000% Senior Notes due 2021, which are unconditionally guaranteed by Energy
Services Puerto Rico, LLC, Hornbeck Offshore Operators, LLC, Hornbeck Offshore Services, LLC, Hornbeck Offshore Transportation, LLC, Hornbeck Offshore Trinidad & Tobago, LLC, HOS-IV, LLC and HOS Port, LLC. As an inducement to the Purchasers
to enter into the Purchase Agreement and in satisfaction of a condition to the obligations of the Purchasers thereunder, the Company (as defined herein) and the Guarantors agree with the Purchasers for the benefit of holders (as defined herein) from
time to time of the Registrable Securities (as defined herein) as follows: 

 1. Certain Definitions. For purposes of this Exchange and Registration Rights
Agreement, the following terms shall have the following respective meanings: 
 “Base Interest” shall
mean the interest that would otherwise accrue on the Securities under the terms thereof and the Indenture, without giving effect to the provisions of this Agreement. 
 The term “broker-dealer” shall mean any broker or dealer registered with the Commission under the Exchange Act. 
 “Closing Date” shall mean the date on which the Securities are initially issued. 
 “Commission” shall mean the United States Securities and Exchange Commission, or any other federal agency at the time administering the Exchange Act or the Securities Act, whichever is
the relevant statute for the particular purpose. 
 “Effective Time,” in the case of (i) an Exchange
Registration, shall mean the time and date as of which the Commission declares the Exchange Registration Statement effective or as of which the Exchange Registration Statement otherwise becomes effective and (ii) a Shelf Registration, shall
mean the time and date as of which the Commission declares the Shelf Registration Statement effective or as of which the Shelf Registration Statement otherwise becomes effective. 

“Electing Holder” shall mean any holder of Registrable Securities that has returned a completed and signed Notice and
Questionnaire to the Company in accordance with Section 3(d)(ii) or 3(d)(iii) hereof. 
 “Exchange Act”
shall mean the Securities Exchange Act of 1934, or any successor thereto, as the same shall be amended from time to time. 

“Exchange Offer” shall have the meaning assigned thereto in Section 2(a) hereof. 

“Exchange Registration” shall have the meaning assigned thereto in Section 3(c) hereof. 

“Exchange Registration Statement” shall have the meaning assigned thereto in Section 2(a) hereof. 

“Exchange Securities” shall have the meaning assigned thereto in Section 2(a) hereof. 

“Guarantors” shall have the meaning assigned thereto in the Indenture. 

The term “holder” shall mean the Initial Purchasers, for so long as they own any Registrable Securities, and each of
their successors, assigns and direct and indirect transferees who become owners of Registrable Securities under the Indenture for so long as such person owns any Registrable Securities. 

“Indenture” shall mean the Indenture, dated as of March 28, 2013, among the Company, the Guarantors and
Wells Fargo Bank, National Association, as Trustee, as the same shall be amended from time to time. 
 “Notice and
Questionnaire” means a Notice of Registration Statement and Selling Securityholder Questionnaire substantially in the form of Exhibit A hereto. 

  
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 The term “person” shall mean a corporation, limited liability company,
association, partnership, organization, business, individual, government or political subdivision thereof or governmental agency. 
 “Purchase Agreement” shall mean the Purchase Agreement, dated March 14, 2013, among the Purchasers, the Guarantors and the Company relating to the Securities. 

“Purchasers” shall mean the Purchasers named in Schedule 1 to the Purchase Agreement. 

“Registrable Securities” shall mean the Securities; provided that the Securities shall cease to be Registrable
Securities (i) when a Registration Statement with respect to such Securities has become effective under the Securities Act and such Securities have been exchanged or disposed of pursuant to such Registration Statement, (ii) when such
Securities cease to be outstanding or (iii) except in the case of Securities that otherwise remain Registrable Securities and that are held by an Initial Purchaser and that are ineligible to be exchanged in the Exchange Offer, when the Exchange
Offer is consummated. 
 “Registration Default” shall have the meaning assigned thereto in Section 2(c)
hereof. 
 “Registration Default Period” shall have the meaning assigned thereto in Section 2(c) hereof.

 “Registration Expenses” shall have the meaning assigned thereto in Section 4 hereof. 

“Resale Period” shall have the meaning assigned thereto in Section 2(a) hereof. 

“Restricted Holder” shall mean (i) a holder that is an affiliate of the Company within the meaning of Rule 405,
(ii) a holder who acquires Exchange Securities outside the ordinary course of such holder’s business, (iii) a holder who has arrangements or understandings with any person to participate in the Exchange Offer for the purpose of
distributing Exchange Securities and (iv) a holder that is a broker-dealer, but only with respect to Exchange Securities received by such broker-dealer pursuant to the Exchange Offer in exchange for Registrable Securities acquired by the
broker-dealer directly from the Company. 
 “Rule 144,” “Rule 405” and “Rule 415” shall
mean, in each case, such rule promulgated under the Securities Act (or any successor provision), as the same shall be amended from time to time. 
 “Securities” shall mean, collectively, the 5.000% Senior Notes due 2021 of the Company to be issued and sold to the Purchasers on the Closing Date, and securities issued in exchange
therefor or in lieu thereof pursuant to the Indenture. Each Security is entitled to the benefit of the guarantees provided for in the Indenture (the “Guarantees”) and, unless the context otherwise requires, any reference herein to a
“Security,” an “Exchange Security” or a “Registrable Security” shall include a reference to the related Guarantees. 
 “Securities Act” shall mean the Securities Act of 1933, or any successor thereto, as the same shall be amended from time to time. 

“Shelf Registration” shall have the meaning assigned thereto in Section 2(b) hereof. 

  
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 “Shelf Registration Statement” shall mean a “shelf” registration
statement of the Company and the Guarantors that covers all or a portion of the Registrable Securities (but no other securities will be included in such Shelf Registration Statement unless approved by a majority in aggregate principal amount of the
Securities held by the Electing Holders) on an appropriate form under Rule 415 under the Securities Act, or any similar rule that may be adopted by the SEC, and all amendments and supplements to such registration statement, including post-effective
amendments, in each case including the Prospectus contained therein or deemed a part thereof, all exhibits thereto and any document incorporated by reference therein. 
 “Special Interest” shall have the meaning assigned thereto in Section 2(c) hereof. 
 “Trust Indenture Act” shall mean the Trust Indenture Act of 1939, or any successor thereto, and the rules, regulations and forms promulgated thereunder, all as the same shall be amended
from time to time. 
 Unless the context otherwise requires, any reference herein to a “Section” or “clause”
refers to a Section or clause, as the case may be, of this Exchange and Registration Rights Agreement, and the words “herein,” “hereof” and “hereunder” and other words of similar import refer to this Exchange and
Registration Rights Agreement as a whole and not to any particular Section or other subdivision. 
 2. Registration Under
the Securities Act. 
 (a) Except as set forth in Section 2(b)(i) below, the Company agrees to file under the
Securities Act, as soon as practicable, but no later than 90 days after the Closing Date, a registration statement relating to an offer to exchange (such registration statement, the “Exchange Registration Statement”, and such offer, the
“Exchange Offer”) any and all of the Securities for a like aggregate principal amount of debt securities issued by the Company and guaranteed by the Guarantors, which debt securities and guarantees are substantially identical to the
Securities and the related Guarantees, respectively (and are entitled to the benefits of a trust indenture which is substantially identical to the Indenture or is the Indenture and which has been qualified under the Trust Indenture Act), except that
they have been registered pursuant to an effective registration statement under the Securities Act and do not contain provisions for the Special Interest contemplated in Section 2(c) below (such new debt securities hereinafter called
“Exchange Securities”). The Company agrees to use its reasonable best efforts to cause the Exchange Registration Statement to become effective under the Securities Act as soon as practicable, but no later than 210 days after the Closing
Date. The Exchange Offer will be registered under the Securities Act on the appropriate form and will comply with all applicable tender offer rules and regulations under the Exchange Act. The Company further agrees to use its reasonable best efforts
to commence and complete the Exchange Offer promptly, but no later than 30 days after such registration statement has become effective, hold the Exchange Offer open for at least 20 business days and exchange Exchange Securities for all Registrable
Securities that have been validly tendered and not validly withdrawn on or prior to the expiration of the Exchange Offer. The Exchange Offer will be deemed to have been “completed” only if the debt securities and related guarantees
received by holders, other than Restricted Holders, in the Exchange Offer for Registrable Securities are, upon receipt, transferable by each such holder without restriction under the Securities Act and the Exchange Act and without material
restrictions under the blue sky or securities laws of a substantial majority of the States of the United States of America. The Exchange Offer shall be deemed to have been completed upon the earlier to occur of (i) the Company having exchanged
the Exchange Securities for all 

  
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outstanding Registrable Securities pursuant to the Exchange Offer and (ii) the Company having exchanged, pursuant to the Exchange Offer, Exchange Securities for all Registrable Securities
that have been validly tendered and not validly withdrawn before the expiration of the Exchange Offer. The Company agrees (x) to include in the Exchange Registration Statement a prospectus for use in any resales by any holder of Exchange
Securities that is a broker-dealer and (y) to keep such Exchange Registration Statement effective for a period (the “Resale Period”) beginning when Exchange Securities are first issued in the Exchange Offer and ending upon the earlier
of the expiration of the 180th day after the Exchange Offer has been completed or such time as such broker-dealers no longer own any Registrable Securities. With respect to such Exchange Registration Statement, such holders shall have the benefit of
the rights of indemnification and contribution set forth in Sections 6(a), (c), (d) and (e) hereof. 
 (b) If
(i) on or prior to the time the Exchange Offer is completed existing Commission interpretations are changed such that the debt securities or the related guarantees received by holders other than Restricted Holders in the Exchange Offer for
Registrable Securities are not or would not be, upon receipt, transferable by each such holder without restriction under the Securities Act, (ii) the Exchange Offer has not been completed within 240 days following the Closing Date or
(iii) the Exchange Offer is not available to any holder of the Securities, the Company shall, in lieu of (or, in the case of clause (iii), in addition to) conducting the Exchange Offer contemplated by Section 2(a), file under the
Securities Act as soon as practicable, but no later than 30 days after the time such obligation to file arises, a “shelf” registration statement providing for the registration of, and the sale on a continuous or delayed basis by the
holders of, all of the Registrable Securities, pursuant to Rule 415 or any similar rule that may be adopted by the Commission (such filing, the “Shelf Registration” and such registration statement, the “Shelf Registration
Statement”). The Company agrees to use its reasonable best efforts (x) to cause the Shelf Registration Statement to become or be declared effective no later than 120 days after such Shelf Registration Statement is filed and to keep such
Shelf Registration Statement continuously effective for a period ending on the earlier of the second anniversary of the Effective Time or such time as there are no longer any Registrable Securities outstanding, provided, however, that
no holder shall be entitled to be named as a selling securityholder in the Shelf Registration Statement or to use the prospectus forming a part thereof for resales of Registrable Securities unless such holder is an Electing Holder, and
(y) after the Effective Time of the Shelf Registration Statement, promptly upon the request of any holder of Registrable Securities that is not then an Electing Holder, to take any action reasonably necessary to enable such holder to use the
prospectus forming a part thereof for resales of Registrable Securities, including, without limitation, any action necessary to identify such holder as a selling securityholder in the Shelf Registration Statement, provided, however, that
nothing in this Clause (y) shall relieve any such holder of the obligation to return a completed and signed Notice and Questionnaire to the Company in accordance with Section 3(d)(iii) hereof. The Company further agrees to supplement or
make amendments to the Shelf Registration Statement, as and when required by the rules, regulations or instructions applicable to the registration form used by the Company for such Shelf Registration Statement or by the Securities Act or rules and
regulations thereunder for shelf registration, and the Company agrees to furnish to each Electing Holder copies of any such supplement or amendment prior to its being used or promptly following its filing with the Commission. 

(c) In the event that (i) the Company has not filed the Exchange Registration Statement or Shelf Registration Statement on or before
the date on which such registration statement is required to be filed pursuant to Section 2(a) or 2(b), respectively, or (ii) such Exchange Registration Statement or Shelf Registration Statement has not become effective or been declared
effective by the Commission on or before the date on which such registration 

  
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statement is required to become or be declared effective pursuant to Section 2(a) or 2(b), respectively, or (iii) the Exchange Offer has not been completed within 30 days after the
initial effective date of the Exchange Registration Statement relating to the Exchange Offer (if the Exchange Offer is then required to be made) or (iv) any Exchange Registration Statement or Shelf Registration Statement required by
Section 2(a) or 2(b) hereof is filed and declared effective but shall thereafter either be withdrawn by the Company or shall become subject to an effective stop order issued pursuant to Section 8(d) of the Securities Act suspending the
effectiveness of such registration statement (except as specifically permitted herein) without being succeeded immediately by an additional registration statement or post-effective amendment filed and declared effective (each such event referred to
in clauses (i) through (iv), a “Registration Default” and each period during which a Registration Default has occurred and is continuing, a “Registration Default Period”), then, as liquidated damages for such Registration
Default, special interest (“Special Interest”), in addition to the Base Interest, shall accrue on the outstanding Securities at a per annum rate of 0.25% for the first 90 days of the Registration Default Period, at a per annum rate of
0.50% for the second 90 days of the Registration Default Period, at a per annum rate of 0.75% for the third 90 days of the Registration Default Period and at a per annum rate of 1.0% thereafter for the remaining portion of the Registration Default
Period. 
 (d) The Company shall take, and shall cause each Guarantor to take, all actions necessary or advisable to be taken by
it to ensure that the transactions contemplated herein are effected as so contemplated, including all actions necessary or desirable to register the Guarantees under the registration statement contemplated in Section 2(a) or 2(b) hereof, as
applicable. 
 (e) Any reference herein to a registration statement as of any time shall be deemed to include any document
incorporated, or deemed to be incorporated, therein by reference as of such time and any reference herein to any post-effective amendment to a registration statement as of any time shall be deemed to include any document incorporated, or deemed to
be incorporated, therein by reference as of such time. 
 3. Registration Procedures. 

If the Company files a registration statement pursuant to Section 2(a) or Section 2(b), the following provisions shall apply:

 (a) At or before the Effective Time of the Exchange Offer or the Shelf Registration, as the case may be, the Company shall
qualify the Indenture under the Trust Indenture Act. 
 (b) In the event that such qualification would require the appointment
of a new trustee under the Indenture, the Company shall appoint a new trustee thereunder pursuant to the applicable provisions of the Indenture. 
 (c) In connection with the Company’s obligations with respect to the registration of Exchange Securities as contemplated by Section 2(a) (the “Exchange Registration”), if applicable,
the Company shall, as soon as practicable (or as otherwise specified): 
 (i) prepare and file with the
Commission, as soon as practicable but no later than 90 days after the Closing Date, an Exchange Registration Statement on any form which may be utilized by the Company and which shall permit the Exchange Offer and resales of Exchange Securities by
broker-dealers during the Resale Period to be effected as contemplated by Section 2(a), and use its reasonable best efforts to cause such Exchange Registration Statement to become effective as soon as practicable thereafter, but no later than
180 days after the Closing Date; 

  
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 (ii) as soon as practicable prepare and file with the Commission such
amendments and supplements to such Exchange Registration Statement and the prospectus included therein as may be necessary to effect and maintain the effectiveness of such Exchange Registration Statement for the periods and purposes contemplated in
Section 2(a) hereof and as may be required by the applicable rules and regulations of the Commission and the instructions applicable to the form of such Exchange Registration Statement, and promptly provide each broker-dealer holding Exchange
Securities with such number of copies of the prospectus included therein (as then amended or supplemented), in conformity in all material respects with the requirements of the Securities Act and the Trust Indenture Act and the rules and regulations
of the Commission thereunder, as such broker-dealer reasonably may request prior to the expiration of the Resale Period, for use in connection with resales of Exchange Securities; 

(iii) promptly notify each broker-dealer that has requested or been provided, by or on behalf of the Company, copies of
the prospectus included in the Registration Statement, and confirm such advice in writing, (A) when such Exchange Registration Statement or the prospectus included therein or any prospectus amendment or supplement or post-effective amendment
has been filed, and, with respect to such Exchange Registration Statement or any post-effective amendment, when the same has become effective, (B) of any comments by the Commission and by the blue sky or securities commissioner or regulator of
any state with respect thereto or any request by the Commission for amendments or supplements to such Exchange Registration Statement or prospectus or for additional information, (C) of the issuance by the Commission of any stop order
suspending the effectiveness of such Exchange Registration Statement or the initiation or threatening of any proceedings for that purpose, (D) if at any time prior to consummation of the Exchange Offer the representations and warranties of the
Company contemplated by Section 5 cease to be true and correct in all material respects, (E) of the receipt by the Company of any notification with respect to the suspension of the qualification of the Exchange Securities for sale in any
jurisdiction or the initiation or threatening of any proceeding for such purpose, or (F) at any time during the Resale Period when a prospectus is required to be delivered under the Securities Act, that such Exchange Registration Statement,
prospectus, prospectus amendment or supplement or post-effective amendment does not conform in all material respects to the applicable requirements of the Securities Act and the Trust Indenture Act and the rules and regulations of the Commission
thereunder or contains an untrue statement of a material fact or omits to state any material fact required to be stated therein or necessary to make the statements therein not misleading in light of the circumstances then existing; 

(iv) in the event that the Company would be required, pursuant to Section 3(e)(iii)(F) above, to notify any
broker-dealers holding Exchange Securities, without delay prepare and furnish to each such holder a reasonable number of copies of a prospectus supplemented or amended so that, as thereafter delivered to purchasers of such Exchange Securities during
the Resale Period, such prospectus shall conform in all material respects to the applicable requirements of the Securities Act and the Trust Indenture Act and the rules and regulations of the Commission thereunder and shall not contain an untrue
statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading in light of the circumstances then existing; 

  
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 (v) use its reasonable best efforts to obtain the withdrawal of any order
suspending the effectiveness of such Exchange Registration Statement or any post-effective amendment thereto at the earliest practicable date; 
 (vi) use its reasonable best efforts to (A) register or qualify the Exchange Securities under the securities laws or blue sky laws of such jurisdictions as are contemplated by Section 2(a) no
later than the commencement of the Exchange Offer, (B) keep such registrations or qualifications in effect and comply with such laws so as to permit the continuance of offers, sales and dealings therein in such jurisdictions until the
expiration of the Resale Period and (C) take any and all other actions as may be reasonably necessary or advisable to enable each broker-dealer holding Exchange Securities to consummate the disposition thereof in such jurisdictions;
provided, however, that neither the Company nor any Guarantor shall be required for any such purpose to (1) qualify as a foreign corporation in any jurisdiction wherein it would not otherwise be required to qualify but for the
requirements of this Section 3(c)(vi), (2) consent to general service of process in any such jurisdiction or (3) make any changes to its certificate of incorporation, by-laws or other organizational document or to any agreement
between it and its stockholders or other equity interest holders; 
 (vii) use its reasonable best efforts to
obtain the consent or approval of each governmental agency or authority, whether federal, state or local, which may be required to effect the Exchange Registration, the Exchange Offer and the offering and sale of Exchange Securities by
broker-dealers during the Resale Period; 
 (viii) provide a CUSIP number for all Exchange Securities, not later
than the applicable Effective Time; and 
 (ix) comply with all applicable rules and regulations of the
Commission, and make generally available to its securityholders as soon as practicable but no later than eighteen months after the effective date of such Exchange Registration Statement, an earning statement of the Company and its subsidiaries
complying with Section 11(a) of the Securities Act (including, at the option of the Company, Rule 158 thereunder). 
 (d)
In connection with the Company’s obligations with respect to the Shelf Registration, if applicable, the Company shall, as soon as practicable (or as otherwise specified): 

(i) prepare and file with the Commission, as soon as practicable but in any case within the time periods specified in
Section 2(b), a Shelf Registration Statement on any form which may be utilized by the Company and which shall register all of the Registrable Securities for resale by the holders thereof in accordance with such method or methods of disposition
as may be specified by such of the holders as, from time to time, may be Electing Holders and use its reasonable best efforts to cause such Shelf Registration Statement to become effective as soon as practicable but in any case within the time
periods specified in Section 2(b); 

  
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 (ii) not less than 30 calendar days prior to the Effective Time of the Shelf
Registration Statement, mail the Notice and Questionnaire to the holders of Registrable Securities; no holder shall be entitled to be named as a selling securityholder in the Shelf Registration Statement as of the Effective Time, and no holder shall
be entitled to use the prospectus forming a part thereof for resales of Registrable Securities at any time, unless such holder has returned a completed and signed Notice and Questionnaire to the Company by the deadline for response set forth
therein; provided, however, holders of Registrable Securities shall have at least 28 calendar days from the date on which the Notice and Questionnaire is first mailed to such holders to return a completed and signed Notice and Questionnaire
to the Company; 
 (iii) after the Effective Time of the Shelf Registration Statement, upon the request of any
holder of Registrable Securities that is not then an Electing Holder, promptly send a Notice and Questionnaire to such holder; provided that the Company shall not be required to take any action to name such holder as a selling securityholder
in the Shelf Registration Statement or to enable such holder to use the prospectus forming a part thereof for resales of Registrable Securities until such holder has returned a completed and signed Notice and Questionnaire to the Company;

 (iv) as soon as practicable prepare and file with the Commission such amendments and supplements to such Shelf
Registration Statement and the prospectus included therein as may be necessary to effect and maintain the effectiveness of such Shelf Registration Statement for the period specified in Section 2(b) hereof and as may be required by the
applicable rules and regulations of the Commission and the instructions applicable to the form of such Shelf Registration Statement, and furnish to the Electing Holders copies of any such supplement or amendment simultaneously with or prior to its
being used or filed with the Commission; 
 (v) comply with the provisions of the Securities Act with respect to
the disposition of all of the Registrable Securities covered by such Shelf Registration Statement in accordance with the intended methods of disposition by the Electing Holders provided for in such Shelf Registration Statement; 

(vi) provide (A) the Electing Holders, (B) the underwriters (which term, for purposes of this Exchange and
Registration Rights Agreement, shall include a person deemed to be an underwriter within the meaning of Section 2(a)(11) of the Securities Act), if any, thereof, (C) any sales or placement agent therefor, (D) counsel for any such
underwriter or agent and (E) not more than one counsel for all the Electing Holders the opportunity to participate in the preparation of such Shelf Registration Statement, each prospectus included therein or filed with the Commission and each
amendment or supplement thereto; 
 (vii) for a reasonable period prior to the filing of such Shelf Registration
Statement, and throughout the period specified in Section 2(b), make available at reasonable times at the Company’s principal place of business or such other reasonable place for inspection by the persons referred to in
Section 3(d)(vi) who shall certify to the Company that they have a current intention to sell the Registrable Securities pursuant to the Shelf Registration, such financial and other information and books and records of the Company, and cause the
officers, employees, counsel and independent certified public accountants of the Company to respond to such inquiries, as shall be reasonably necessary, in the judgment of the respective counsel referred to in such Section, to conduct a reasonable
investigation within the meaning of Section 11 of the Securities 

  
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Act; provided, however, that each such party shall be required to maintain in confidence and not to disclose to any other person or otherwise improperly use any information or records
reasonably designated by the Company as being confidential, until such time as (A) such information becomes a matter of public record (whether by virtue of its inclusion in such registration statement or otherwise), or (B) such person
shall be required so to disclose such information pursuant to a subpoena or order of any court or other governmental or regulatory agency or body having jurisdiction over the matter (subject to the requirements of such order, and only after such
person shall have given the Company prompt prior written notice of such requirement, to the extent not legally prohibited), or (C) such information is required to be set forth in such Shelf Registration Statement or the prospectus included
therein or in an amendment to such Shelf Registration Statement or an amendment or supplement to such prospectus in order that such Shelf Registration Statement, prospectus, amendment or supplement, as the case may be, complies with applicable
requirements of the federal securities laws and the rules and regulations of the Commission and does not contain an untrue statement of a material fact or omit to state therein a material fact required to be stated therein or necessary to make the
statements therein not misleading in light of the circumstances then existing, or (D) disclosure is required in connection with any suit, action or proceeding for the purpose of defending such person, reducing such person’s liability or
protecting or exercising any of its rights, remedies or interests, provided that such party gives the Company prior notice of such disclosure; 
 (viii) promptly notify each of the Electing Holders, any sales or placement agent therefor and any underwriter thereof (which notification may be made through any managing underwriter that is a
representative of such underwriter for such purpose) and confirm such advice in writing, (A) when such Shelf Registration Statement or the prospectus included therein or any prospectus amendment or supplement or post-effective amendment has
been filed, and, with respect to such Shelf Registration Statement or any post-effective amendment, when the same has become effective, (B) of any comments by the Commission and by the blue sky or securities commissioner or regulator of any
state with respect thereto or any request by the Commission for amendments or supplements to such Shelf Registration Statement or prospectus or for additional information, (C) of the issuance by the Commission of any stop order suspending the
effectiveness of such Shelf Registration Statement or the initiation or threatening of any proceedings for that purpose, (D) so long as any Registrable Securities are outstanding, if the representations and warranties of the Company
contemplated by Section 3(d)(xvii) or Section 5 cease to be true and correct in all material respects, (E) of the receipt by the Company of any notification with respect to the suspension of the qualification of the Registrable
Securities for sale in any jurisdiction or the initiation or threatening of any proceeding for such purpose, or (F) if at any time when a prospectus is required to be delivered under the Securities Act, that such Shelf Registration Statement,
prospectus, prospectus amendment or supplement or post-effective amendment does not conform in all material respects to the applicable requirements of the Securities Act and the Trust Indenture Act and the rules and regulations of the Commission
thereunder or contains an untrue statement of a material fact or omits to state any material fact required to be stated therein or necessary to make the statements therein not misleading in light of the circumstances then existing; 

(ix) use its reasonable best efforts to obtain the withdrawal of any order suspending the effectiveness of such
registration statement or any post-effective amendment thereto at the earliest practicable date; 

  
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 (x) if requested by any managing underwriter or underwriters, any placement
or sales agent or any Electing Holder, promptly incorporate in a prospectus supplement or post-effective amendment such information as is required by the applicable rules and regulations of the Commission and as such managing underwriter or
underwriters, such agent or such Electing Holder specifies should be included therein relating to the terms of the sale of such Registrable Securities, including information with respect to the principal amount of Registrable Securities being sold
by such Electing Holder or agent or to any underwriters, the name and description of such Electing Holder, agent or underwriter, the offering price of such Registrable Securities and any discount, commission or other compensation payable in respect
thereof, the purchase price being paid therefor by such underwriters and with respect to any other terms of the offering of the Registrable Securities to be sold by such Electing Holder or agent or to such underwriters; and make all required filings
of such prospectus supplement or post-effective amendment promptly after notification of the matters to be incorporated in such prospectus supplement or post-effective amendment; 

(xi) furnish to each Electing Holder, each placement or sales agent, if any, therefor, each underwriter, if any, thereof
and the respective counsel referred to in Section 3(d)(vi) an executed copy (or, in the case of an Electing Holder, a conformed copy) of such Shelf Registration Statement, each such amendment and supplement thereto (in each case including all
exhibits thereto (in the case of an Electing Holder of Registrable Securities, upon request) and documents incorporated by reference therein) and such number of copies of such Shelf Registration Statement (excluding exhibits thereto and documents
incorporated by reference therein unless specifically so requested by such Electing Holder, agent or underwriter, as the case may be) and of the prospectus included in such Shelf Registration Statement (including each preliminary prospectus and any
summary prospectus), in conformity in all material respects with the applicable requirements of the Securities Act and the Trust Indenture Act and the rules and regulations of the Commission thereunder, and such other documents, as such Electing
Holder, agent, if any, and underwriter, if any, may reasonably request in order to facilitate the offering and disposition of the Registrable Securities owned by such Electing Holder, offered or sold by such agent or underwritten by such underwriter
and to permit such Electing Holder, agent and underwriter to satisfy the prospectus delivery requirements of the Securities Act; and the Company hereby consents to the use of such prospectus (including such preliminary and summary prospectus) and
any amendment or supplement thereto by each such Electing Holder and by any such agent and underwriter, in each case in the form most recently provided to such person by the Company, in connection with the offering and sale of the Registrable
Securities covered by the prospectus (including such preliminary and summary prospectus) or any supplement or amendment thereto; 
 (xii) use its reasonable best efforts to (A) register or qualify the Registrable Securities to be included in such Shelf Registration Statement under such securities laws or blue sky laws of such
jurisdictions as any Electing Holder and each placement or sales agent, if any, therefor and underwriter, if any, thereof shall reasonably request, (B) keep such registrations or qualifications in effect and comply with such laws so as to
permit the continuance of offers, sales and dealings therein in such jurisdictions during the period the Shelf Registration is required to remain effective under Section 2(b) above and for so long as may be reasonably necessary to enable any
such Electing Holder, agent or underwriter to complete its distribution of Securities pursuant to such Shelf Registration Statement and (C) take any and all other actions as may be reasonably

  
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necessary or advisable to enable each such Electing Holder, agent, if any, and underwriter, if any, to consummate the disposition in such jurisdictions of such Registrable Securities;
provided, however, that neither the Company nor any Guarantor shall be required for any such purpose to (1) qualify as a foreign corporation in any jurisdiction wherein it would not otherwise be required to qualify but for the
requirements of this Section 3(d)(xii), (2) consent to general service of process in any such jurisdiction or (3) make any changes to its certificate of incorporation, by-laws or other organizational document or to any agreement
between it and its stockholders or other equity interest holders; 
 (xiii) use its reasonable best efforts to
obtain the consent or approval of each governmental agency or authority, whether federal, state or local, which may be required to effect the Shelf Registration or the offering or sale in connection therewith or to enable the selling Electing Holder
or Holders to offer, or to consummate the disposition of, their Registrable Securities; 
 (xiv) unless any
Registrable Securities shall be in book-entry only form, cooperate with the Electing Holders and the managing underwriters, if any, to facilitate the timely preparation and delivery of certificates representing Registrable Securities to be sold, and
which certificates shall not bear any restrictive legends; and, in the case of an underwritten offering, enable such Registrable Securities to be in such denominations and registered in such names as the managing underwriters may request at least
two business days prior to any sale of the Registrable Securities; 
 (xv) provide a CUSIP number for all
Registrable Securities that are sold pursuant to the Shelf Registration Statement, not later than the applicable Effective Time, which CUSIP number shall be the same as the one used by the Company in connection with its outstanding 5.000% Senior
Notes due 2021, unless the CUSIP Service Bureau requires the Company to use a different CUSIP number; 
 (xvi)
enter into one or more underwriting agreements, engagement letters, agency agreements, “best efforts” underwriting agreements or similar agreements, as appropriate, including customary provisions relating to indemnification and
contribution, and take such other actions in connection therewith as any Electing Holders aggregating at least 20% in aggregate principal amount of the Registrable Securities at the time outstanding shall request in order to expedite or facilitate
the disposition of such Registrable Securities; 
 (xvii) whether or not an agreement of the type referred to in
Section 3(d)(xvi) hereof is entered into and whether or not any portion of the offering contemplated by the Shelf Registration is an underwritten offering or is made through a placement or sales agent or any other entity, (A) make such
representations and warranties to the Electing Holders and the placement or sales agent, if any, therefor and the underwriters, if any, thereof in form, substance and scope as are customarily made in connection with an offering of debt securities
pursuant to any appropriate agreement or to a registration statement filed on the form applicable to the Shelf Registration; (B) obtain an opinion of counsel to the Company in customary form and covering such matters, of the type customarily
covered by such an opinion, as the managing underwriters, if any, or as any Electing Holders of at least 20% in aggregate principal amount of the Registrable Securities at the time outstanding may reasonably request, addressed to such Electing
Holder or Electing Holders and the placement or sales agent, if any, therefor and the 

  
 12 

 
underwriters, if any, thereof and dated the effective date of such Shelf Registration Statement (and if such Shelf Registration Statement contemplates an underwritten offering of a part or all of
the Registrable Securities, dated the date of the closing under the underwriting agreement relating thereto) (it being agreed that the matters to be covered by such opinion generally shall include the due incorporation or formation and good standing
of the Company and its subsidiaries; the qualification of the Company and its subsidiaries to transact business as foreign corporations; the due authorization, execution and delivery of the relevant agreement of the type referred to in
Section 3(d)(xvi) hereof; the due authorization, execution, authentication and issuance, and the validity and enforceability, of the Securities; the absence of material legal or governmental proceedings involving the Company; the absence of a
breach by the Company or any of its subsidiaries of, or a default under, material agreements binding upon the Company or any subsidiary of the Company; the absence of governmental approvals required to be obtained in connection with the Shelf
Registration, the offering and sale of the Registrable Securities, this Exchange and Registration Rights Agreement or any agreement of the type referred to in Section 3(d)(xvi) hereof, except such approvals as may be required under the
Securities Act to declare the Shelf Registration effective or under state securities or blue sky laws; the material compliance as to form of such Shelf Registration Statement and any documents incorporated by reference therein and of the Indenture
with the requirements of the Securities Act and the Trust Indenture Act and the rules and regulations of the Commission thereunder, respectively; and legal counsel will confirm its belief, as of the date of the opinion and of the Shelf Registration
Statement or most recent post-effective amendment thereto, as the case may be, as to the absence from such Shelf Registration Statement and the prospectus included therein, as then amended or supplemented, and from the documents incorporated by
reference therein (in each case other than the financial statements and other financial information contained therein) of an untrue statement of a material fact or the omission to state therein a material fact necessary to make the statements
therein not misleading (in the case of such documents, in the light of the circumstances existing at the time that such documents were filed with the Commission under the Exchange Act)); (C) obtain a “cold comfort” letter or letters
from the independent certified public accountants of the Company addressed to the selling Electing Holders, the placement or sales agent, if any, therefor or the underwriters, if any, thereof, dated (i) the effective date of such Shelf
Registration Statement and (ii) the effective date of any prospectus supplement to the prospectus included in such Shelf Registration Statement or post-effective amendment to such Shelf Registration Statement which includes unaudited or audited
financial statements as of a date or for a period subsequent to that of the latest such statements included in such prospectus (and, if such Shelf Registration Statement contemplates an underwritten offering pursuant to any prospectus supplement to
the prospectus included in such Shelf Registration Statement or post-effective amendment to such Shelf Registration Statement which includes unaudited or audited financial statements as of a date or for a period subsequent to that of the latest such
statements included in such prospectus, dated the date of the closing under the underwriting agreement relating thereto), such letter or letters to be in customary form and covering such matters of the type customarily covered by letters of such
type; (D) deliver such documents and certificates, including officers’ certificates, as may be reasonably requested by any Electing Holders of at least 20% in aggregate principal amount of the Registrable Securities at the time outstanding
or the placement or sales agent, if any, therefor and the managing underwriters, if any, thereof to evidence the accuracy of the representations and warranties made pursuant to clause (A) above or those contained in Section 5(a) hereof and
the compliance with or satisfaction of any agreements or conditions contained in the underwriting agreement or other agreement entered into by the Company or the Guarantor; and (E) undertake such obligations relating to expense reimbursement,
indemnification and contribution as are provided in Section 6 hereof; 

  
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 (xviii) notify in writing each holder of Registrable Securities of any
proposal by the Company to amend or waive any provision of this Exchange and Registration Rights Agreement pursuant to Section 9(h) hereof and of any amendment or waiver effected pursuant thereto, each of which notices shall contain the text of
the amendment or waiver proposed or effected, as the case may be; 
 (xix) in the event that any broker-dealer
registered under the Exchange Act shall underwrite any Registrable Securities or participate as a member of an underwriting syndicate or selling group or “assist in the distribution” (within the meaning of the Conduct Rules (the
“Conduct Rules) of the Financial Industry Regulatory Authority (“FINRA”) or any successor thereto, as amended from time to time) thereof, whether as a holder of such Registrable Securities or as an underwriter, a placement or sales
agent or a broker or dealer in respect thereof, or otherwise, assist such broker-dealer in complying with the requirements of such Conduct Rules, including by (A) if such Conduct Rules shall so require, engaging a “qualified independent
underwriter” (as defined in such Conduct Rules) to participate in the preparation of the Shelf Registration Statement relating to such Registrable Securities, to exercise usual standards of due diligence in respect thereto and, if any portion
of the offering contemplated by such Shelf Registration Statement is an underwritten offering or is made through a placement or sales agent, to recommend the yield of such Registrable Securities, (B) indemnifying any such qualified independent
underwriter to the extent of the indemnification of underwriters provided in Section 6 hereof (or to such other customary extent as may be requested by such underwriter), and (C) providing such information to such broker-dealer as may be
required in order for such broker-dealer to comply with the requirements of the Conduct Rules; and 
 (xx) comply
with all applicable rules and regulations of the Commission, and make generally available to its securityholders as soon as practicable but in any event not later than eighteen months after the effective date of such Shelf Registration Statement, an
earning statement of the Company and its subsidiaries complying with Section 11(a) of the Securities Act (including, at the option of the Company, Rule 158 thereunder). 
 (e) In the event that the Company would be required, pursuant to Section 3(d)(viii)(F) above, to notify the Electing Holders, the placement or sales agent, if any, therefor and the managing
underwriters, if any, thereof, the Company shall without delay prepare and furnish to each of the Electing Holders, to each placement or sales agent, if any, and to each such underwriter, if any, a reasonable number of copies of a prospectus
supplemented or amended so that, as thereafter delivered to purchasers of Registrable Securities, such prospectus shall conform in all material respects to the applicable requirements of the Securities Act and the Trust Indenture Act and the rules
and regulations of the Commission thereunder and shall not contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading in light of the
circumstances then existing. Each Electing Holder agrees that upon receipt of any notice from the Company pursuant to Section 3(d)(viii)(F) hereof, such Electing Holder shall forthwith discontinue the disposition of Registrable Securities
pursuant to the Shelf Registration Statement applicable to such Registrable Securities until such Electing Holder shall have 

  
 14 

 
received copies of such amended or supplemented prospectus, and if so directed by the Company, such Electing Holder shall deliver to the Company (at the Company’s expense) all copies, other
than permanent file copies which shall not be distributed, then in such Electing Holder’s possession of the prospectus covering such Registrable Securities at the time of receipt of such notice. 

(f) In the event of a Shelf Registration, in addition to the information required to be provided by each Electing Holder in its Notice
and Questionnaire, the Company may require such Electing Holder to furnish to the Company such additional information regarding such Electing Holder and such Electing Holder’s intended method of distribution of Registrable Securities as may be
required in order to comply with the Securities Act. Each such Electing Holder agrees to notify the Company as promptly as practicable of any inaccuracy or change in information previously furnished by such Electing Holder to the Company or of the
occurrence of any event in either case as a result of which any prospectus relating to such Shelf Registration contains or would contain an untrue statement of a material fact regarding such Electing Holder or such Electing Holder’s intended
method of disposition of such Registrable Securities or omits to state any material fact regarding such Electing Holder or such Electing Holder’s intended method of disposition of such Registrable Securities required to be stated therein or
necessary to make the statements therein not misleading in light of the circumstances then existing, and promptly to furnish to the Company any additional information required to correct and update any previously furnished information or required so
that such prospectus shall not contain, with respect to such Electing Holder or the disposition of such Registrable Securities, an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to
make the statements therein not misleading in light of the circumstances then existing. 
 (g) The Company will not, and will
not permit any of its affiliates (as defined in Rule 144 under the Securities Act) to, resell any of the Securities that have been acquired by any of them, except for Securities purchased by the Company or any of its affiliates and resold in a
transaction registered under the Securities Act. 
 4. Registration Expenses. 

The Company and the Guarantors, jointly and severally, agree to bear and to pay or cause to be paid promptly all expenses incident to the
Company’s performance of or compliance with this Exchange and Registration Rights Agreement, including (a) all Commission and any FINRA registration, filing and review fees and expenses including fees and disbursements of counsel for the
placement or sales agent or underwriters in connection with such registration, filing and review, (b) all fees and expenses in connection with the qualification of the Securities for offering and sale under the State securities and blue sky
laws referred to in Section 3(d)(xii) hereof and determination of their eligibility for investment under the laws of such jurisdictions as any managing underwriters or the Electing Holders may designate, including any fees and disbursements of
one counsel acting for all the Electing Holders or underwriters in connection with such qualification and determination, (c) all expenses relating to the preparation, printing, production, distribution and reproduction of each registration
statement required to be filed hereunder, each prospectus included therein or prepared for distribution pursuant hereto, each amendment or supplement to the foregoing, the expenses of preparing the Securities for delivery and the expenses of
printing or producing any underwriting agreements, agreements among underwriters, selling agreements and blue sky or legal investment memoranda and all other documents in connection with the offering, sale or delivery of Securities to be disposed of
(including certificates representing any of the Securities not in 

  
 15 

 
book-entry form), (d) messenger, telephone and delivery expenses relating to the offering, sale or delivery of Securities and the preparation of documents referred in clause (c) above,
(e) fees and expenses of the Trustee under the Indenture, any agent of the Trustee and any counsel for the Trustee and of any collateral agent or custodian, (f) internal expenses (including all salaries and expenses of the Company’s
officers and employees performing legal or accounting duties), (g) fees, disbursements and expenses of counsel and independent certified public accountants of the Company (including the expenses of any opinions or “cold comfort”
letters required by or incident to such performance and compliance), (h) fees, disbursements and expenses of any “qualified independent underwriter” engaged pursuant to Section 3(d)(xix) hereof, (i) fees, disbursements and
expenses of one counsel for the Electing Holders retained in connection with a Shelf Registration, as selected by the Electing Holders of at least a majority in aggregate principal amount of the Registrable Securities held by Electing Holders (which
counsel shall be reasonably satisfactory to the Company), (j) any fees charged by securities rating services for rating the Securities, and (k) fees, expenses and disbursements of any other persons, including special experts, retained by
the Company in connection with such registration (collectively, the “Registration Expenses”). To the extent that any Registration Expenses are incurred, assumed or paid by any holder of Registrable Securities or any placement or sales
agent therefor or underwriter thereof, the Company shall reimburse such person for the full amount of the Registration Expenses so incurred, assumed or paid promptly after receipt of a request therefor. Notwithstanding the foregoing, the holders of
the Registrable Securities being registered shall pay all agency fees and commissions and underwriting discounts and commissions attributable to the sale of such Registrable Securities and the fees and disbursements of any counsel or other advisors
or experts retained by such holders (severally or jointly), other than the counsel and experts specifically referred to above. 

5. Representations and Warranties. 
 The Company and the Guarantors, jointly and severally, represent and warrant to, and agree with, each Purchaser and each of the holders from time to time of Registrable Securities that: 

(a) Each registration statement covering Registrable Securities and each prospectus (including any preliminary or summary prospectus)
contained therein or furnished pursuant to Section 3(c) or Section 3(d) hereof and any further amendments or supplements to any such registration statement or prospectus, when it becomes effective or is filed with the Commission, as the
case may be, and, in the case of an underwritten offering of Registrable Securities, at the time of the closing under the underwriting agreement relating thereto, will conform in all material respects to the requirements of the Securities Act and
the Trust Indenture Act and the rules and regulations of the Commission thereunder and will not contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein
not misleading; and at all times subsequent to the Effective Time when a prospectus would be required to be delivered under the Securities Act, other than from (i) such time as a notice has been given to holders of Registrable Securities
pursuant to Section 3(c)(iii)(F) or Section 3(d)(viii)(F) hereof until (ii) such time as the Company furnishes an amended or supplemented prospectus pursuant to Section 3(c)(iv) or Section 3(e) hereof, each such registration
statement, and each prospectus (including any summary prospectus) contained therein or furnished pursuant to Section 3(c) or Section 3(d) hereof, as then amended or supplemented, will conform in all material respects to the requirements of
the Securities Act and the Trust Indenture Act and the rules and regulations of the Commission thereunder and will not contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make
the statements therein not misleading in the light of the circumstances then existing; provided, however, that this representation and warranty shall not apply to any statements or omissions made in reliance upon and in conformity with
information furnished in writing to the Company by a holder of Registrable Securities expressly for use therein. 

  
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 (b) Any documents incorporated by reference in any prospectus referred to in
Section 5(a) hereof, when they become or became effective or are or were filed with the Commission, as the case may be, will conform or conformed in all material respects to the requirements of the Securities Act or the Exchange Act, as
applicable, and none of such documents will contain or contained an untrue statement of a material fact or will omit or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading;
provided, however, that this representation and warranty shall not apply to any statements or omissions made in reliance upon and in conformity with information furnished in writing to the Company by a holder of Registrable Securities
expressly for use therein. 
 (c) The compliance by the Company with all of the provisions of this Exchange and Registration
Rights Agreement and the consummation of the transactions herein contemplated will not conflict with or result in a breach of any of the terms or provisions of, or constitute a default under, any indenture, mortgage, deed of trust, loan agreement or
other agreement or instrument to which the Company or any subsidiary of the Company is a party or by which the Company or any subsidiary of the Company is bound or to which any of the property or assets of the Company or any subsidiary of the
Company is subject, other than any such conflict, breach or default that, individually or in the aggregate, would not have a Material Adverse Effect (as such term is defined in the Purchase Agreement); nor will such action result in any violation of
the provisions of the certificate of incorporation, by-laws or other organizational document of the Company or any Guarantor; nor will such action result in any violation of any statute or any order, rule or regulation of any court or governmental
agency or body having jurisdiction over the Company or any subsidiary of the Company or any of their properties, other than any such violation that, individually or in the aggregate, would not have a Material Adverse Effect; and no consent,
approval, authorization, order, registration or qualification of or with any such court or governmental agency or body is required for the consummation by the Company and the Guarantors of the transactions contemplated by this Exchange and
Registration Rights Agreement, except the registration under the Securities Act of the Securities and the declaration of the effectiveness of any related registration statement, qualification of the Indenture under the Trust Indenture Act and such
consents, approvals, authorizations, registrations or qualifications as may be required under State securities or blue sky laws in connection with the offering and distribution of the Securities. 

(d) This Exchange and Registration Rights Agreement has been duly authorized, executed and delivered by the Company and the Guarantors.

 6. Indemnification. 
 (a) Indemnification by the Company and the Guarantors. The Company and the Guarantors, jointly and severally, will indemnify and hold harmless each of the holders of Registrable Securities included
in an Exchange Registration Statement, each of the Electing Holders of Registrable Securities included in a Shelf Registration Statement and each person who participates as a placement or sales agent or as an underwriter in any offering or sale of
such Registrable Securities against any losses, claims, damages or liabilities, joint or several, to which such holder, agent or underwriter may become subject under the Securities Act or 

  
 17 

 
otherwise, insofar as such losses, claims, damages or liabilities (or actions in respect thereof) arise out of or are based upon (1) any untrue statement or alleged untrue statement of a
material fact contained in any Exchange Registration Statement or Shelf Registration Statement, as the case may be, under which such Registrable Securities were registered under the Securities Act, or any omission or alleged omission to state
therein a material fact required to be stated therein or necessary in order to make the statements therein not misleading, or (2) any untrue statement or alleged untrue statement of a material fact contained in any preliminary, final or summary
prospectus contained therein or furnished by the Company to any such holder, Electing Holder, agent or underwriter, or any amendment or supplement thereto, or any omission or alleged omission to state therein a material fact necessary in order to
make the statements therein, in the light of the circumstances under which they were made, not misleading, and will reimburse such holder, such Electing Holder, such agent and such underwriter for any legal or other expenses reasonably incurred by
them in connection with investigating or defending any such action or claim as such expenses are incurred; provided, however, that neither the Company nor any Guarantor shall be liable to any such person in any such case to the extent that
any such loss, claim, damage or liability arises out of or is based upon an untrue statement or alleged untrue statement or omission or alleged omission made in such registration statement, or preliminary, final or summary prospectus, or amendment
or supplement thereto, in reliance upon and in conformity with written information furnished to the Company by such person expressly for use therein. 
 (b) Indemnification by the Holders and any Agents and Underwriters. The Company may require, as a condition to including any Registrable Securities in any registration statement filed pursuant to
Section 2(b) hereof and to entering into any underwriting agreement with respect thereto, that the Company shall have received an undertaking reasonably satisfactory to it from the Electing Holder of such Registrable Securities and from each
underwriter named in any such underwriting agreement, severally and not jointly, to (i) indemnify and hold harmless the Company, the Guarantors, and all other holders of Registrable Securities, against any losses, claims, damages or liabilities
to which the Company, the Guarantors or such other holders of Registrable Securities may become subject, under the Securities Act or otherwise, insofar as such losses, claims, damages or liabilities (or actions in respect thereof) arise out of or
are based upon (1) any untrue statement or alleged untrue statement of a material fact contained in any Exchange Registration Statement or Shelf Registration Statement, as the case may be, under which such Registrable Securities were registered
under the Securities Act, or any omission or alleged omission to state therein a material fact required to be stated therein or necessary in order to make the statements therein not misleading, or (2) any untrue statement or alleged untrue
statement of a material fact contained in any preliminary, final or summary prospectus contained therein or furnished by the Company to any such holder, Electing Holder, agent or underwriter, or any amendment or supplement thereto, or any omission
or alleged omission to state therein a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, in each case to the extent, but only to the extent, that such
untrue statement or alleged untrue statement or omission or alleged omission was made in reliance upon and in conformity with written information furnished to the Company by such Electing Holder or underwriter expressly for use therein, and
(ii) reimburse the Company and the Guarantors for any legal or other expenses reasonably incurred by the Company and the Guarantors in connection with investigating or defending any such action or claim as such expenses are incurred;
provided, however, that no such Electing Holder shall be required to undertake liability to any person under this Section 6(b) for any amounts in excess of the dollar amount of the proceeds to be received by such Electing Holder from the
sale of such Electing Holder’s Registrable Securities pursuant to such registration. 

  
 18 

 (c) Notices of Claims, Etc. Promptly after receipt by an indemnified party under
subsection (a) or (b) above of written notice of the commencement of any action, such indemnified party shall, if a claim in respect thereof is to be made against an indemnifying party pursuant to the indemnification provisions of or
contemplated by this Section 6, notify such indemnifying party in writing of the commencement of such action; provided that the failure to notify the indemnifying party shall not relieve it from any liability that it may have under
Sections 6(a) or 6(b) above except to the extent that it has been materially prejudiced (through the forfeiture of substantive rights or defenses) by such failure; and provided, further, that the failure to notify the indemnifying party shall
not relieve it from any liability that it may have to an indemnified party otherwise than under Sections 6(a) or 6(b) hereof. If any such proceeding shall be brought or asserted against an indemnified party and it shall have notified the
indemnifying party thereof, the indemnifying party shall retain counsel reasonably satisfactory to the indemnified party (who shall not, without the consent of the indemnified party, be counsel to the indemnifying party) to represent the indemnified
party and any others entitled to indemnification pursuant to this Section 6 that the indemnifying party may designate in such proceeding and shall pay the fees and expenses of such proceeding and shall pay the fees and expenses of such counsel
related to such proceeding, as incurred. In any such proceeding, any indemnified party shall have the right to retain its own counsel, but the fees and expenses of such counsel shall be at the expense of such indemnified party unless (i) the
indemnifying party and the indemnified party shall have mutually agreed to the contrary; (ii) the indemnifying party has failed within a reasonable time to retain counsel reasonably satisfactory to the indemnified party; (iii) the
indemnified party shall have reasonably concluded that there may be legal defenses available to it that are different from or in addition to those available to the indemnifying party; or (iv) the named parties in any such proceeding (including
any impleaded parties) include both the indemnifying party and the indemnified party and representation of both parties by the same counsel would be inappropriate due to actual or potential differing interests between them. It is understood and
agreed that the indemnifying party shall not, in connection with any proceeding or related proceeding in the same jurisdiction, be liable for the fees and expenses of more than one separate firm (in addition to any local counsel) for all indemnified
parties, and that all such fees and expenses shall be reimbursed as they are incurred. Any such separate firm (x) for any Purchaser, its affiliates, directors and officers and any control persons of such Purchaser shall be designated in writing
by Barclays Capital Inc., (y) for any holder, its directors and officers and any control Persons of such holder shall be designated in writing by the holders of the majority of the aggregate principal amount of the outstanding Registrable
Securities, and (z) for the Company, the Guarantors, their respective directors and officers and any control persons of the Company and the Guarantors shall be designated in writing by the Company. No indemnifying party shall, without the
written consent of the indemnified party, effect the settlement or compromise of, or consent to the entry of any judgment with respect to, any pending or threatened action or claim in respect of which indemnification or contribution may be sought
hereunder (whether or not the indemnified party is an actual or potential party to such action or claim) unless such settlement, compromise or judgment (i) includes an unconditional release of the indemnified party from all liability arising
out of such action or claim and (ii) does not include a statement as to, or an admission of, fault, culpability or a failure to act by or on behalf of any indemnified party. 

(d) Contribution. If for any reason the indemnification provisions contemplated by Section 6(a) or Section 6(b) are
unavailable to or insufficient to hold harmless an indemnified party in respect of any losses, claims, damages or liabilities (or actions in respect thereof) referred to therein, then each indemnifying party shall contribute to the amount paid or
payable by such indemnified party as a result of such losses, claims, damages or liabilities (or actions in respect thereof) in such proportion as is appropriate to reflect the relative fault of the

  
 19 

 
indemnifying party and the indemnified party in connection with the statements or omissions which resulted in such losses, claims, damages or liabilities (or actions in respect thereof), as well
as any other relevant equitable considerations. The relative fault of such indemnifying party and indemnified party shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or
omission or alleged omission to state a material fact relates to information supplied by such indemnifying party or by such indemnified party, and the parties’ relative intent, knowledge, access to information and opportunity to correct or
prevent such statement or omission. The parties hereto agree that it would not be just and equitable if contributions pursuant to this Section 6(d) were determined by pro rata allocation (even if the holders or any agents or underwriters or all
of them were treated as one entity for such purpose) or by any other method of allocation which does not take account of the equitable considerations referred to in this Section 6(d). The amount paid or payable by an indemnified party as a
result of the losses, claims, damages, or liabilities (or actions in respect thereof) referred to above shall be deemed to include any legal or other fees or expenses reasonably incurred by such indemnified party in connection with investigating or
defending any such action or claim. Notwithstanding the provisions of this Section 6(d), no holder shall be required to contribute any amount in excess of the amount by which the dollar amount of the proceeds received by such holder from the
sale of any Registrable Securities (after deducting any fees, discounts and commissions applicable thereto) exceeds the amount of any damages which such holder has otherwise been required to pay by reason of such untrue or alleged untrue statement
or omission or alleged omission, and no underwriter shall be required to contribute any amount in excess of the amount by which the total price at which the Registrable Securities underwritten by it and distributed to the public were offered to the
public exceeds the amount of any damages which such underwriter has otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or alleged omission. No person guilty of fraudulent misrepresentation (within the
meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. The holders’ and any underwriters’ obligations in this Section 6(d) to
contribute shall be several in proportion to the principal amount of Registrable Securities registered or underwritten, as the case may be, by them and not joint. 
 (e) The obligations of the Company and the Guarantors under this Section 6 shall be in addition to any liability which the Company or the Guarantors may otherwise have and shall extend, upon the same
terms and conditions, to each officer, director and partner of each holder, agent and underwriter and each person, if any, who controls any holder, agent or underwriter within the meaning of the Securities Act; and the obligations of the holders and
any agents or underwriters contemplated by this Section 6 shall be in addition to any liability which the respective holder, agent or underwriter may otherwise have and shall extend, upon the same terms and conditions, to each officer and
director of the Company or any Guarantor (including any person who, with his consent, is named in any registration statement as about to become a director of the Company or any Guarantor) and to each person, if any, who controls the Company within
the meaning of the Securities Act. 
 7. Underwritten Offerings. 

(a) Selection of Underwriters. If any of the Registrable Securities covered by the Shelf Registration are to be sold pursuant to an
underwritten offering, the managing underwriter or underwriters thereof shall be designated by Electing Holders holding at least a majority in aggregate principal amount of the Registrable Securities to be included in such offering, provided that
such designated managing underwriter or underwriters is or are reasonably acceptable to the Company. 

  
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 (b) Participation by Holders. Each holder of Registrable Securities hereby agrees
with each other such holder that no such holder may participate in any underwritten offering hereunder unless such holder (i) agrees to sell such holder’s Registrable Securities on the basis provided in any underwriting arrangements
approved by the persons entitled hereunder to approve such arrangements and (ii) completes and executes all questionnaires, powers of attorney, indemnities, underwriting agreements and other documents reasonably required under the terms of such
underwriting arrangements. 
 8. Rule 144. 

The Company covenants to the holders of Registrable Securities that to the extent it shall be required to do so under the Exchange Act,
the Company shall timely file the reports required to be filed by it under the Exchange Act or the Securities Act (including the reports under Section 13 and 15(d) of the Exchange Act referred to in subparagraph (c)(1) of Rule 144 adopted by
the Commission under the Securities Act) and the rules and regulations adopted by the Commission thereunder, and shall take such further action as any holder of Registrable Securities may reasonably request, all to the extent required from time to
time to enable such holder to sell Registrable Securities without registration under the Securities Act within the limitations of the exemption provided by Rule 144 under the Securities Act, as such Rule may be amended from time to time, or any
similar or successor rule or regulation hereafter adopted by the Commission. Upon the request of any holder of Registrable Securities in connection with that holder’s sale pursuant to Rule 144, the Company shall deliver to such holder a
written statement as to whether it has complied with such requirements. 
 9. Miscellaneous. 

(a) No Inconsistent Agreements. The Company represents, warrants, covenants and agrees that it has not granted, and shall not
grant, registration rights with respect to Registrable Securities or any other securities which would be inconsistent with the terms contained in this Exchange and Registration Rights Agreement. 

(b) Specific Performance. The parties hereto acknowledge that, except as provided in Section 2(c) hereof in relation to a
Registration Default, there would be no adequate remedy at law if the Company fails to perform any of its obligations hereunder and that the Purchasers and the holders from time to time of the Registrable Securities may be irreparably harmed by any
such failure, and accordingly agree that the Purchasers and such holders, in addition to any other remedy to which they may be entitled at law or in equity, shall be entitled to compel specific performance of the obligations of the Company under
this Exchange and Registration Rights Agreement in accordance with the terms and conditions of this Exchange and Registration Rights Agreement, in any court of the United States or any State thereof having jurisdiction. 

(c) Notices. All notices, requests, claims, demands, waivers and other communications hereunder shall be in writing and shall be
deemed to have been duly given when delivered by hand, if delivered personally or by courier, or three days after being deposited in the mail (registered or certified mail, postage prepaid, return receipt requested) as follows: If to the Company, to
it at 103 Northpark Boulevard, Suite 300, Covington, Louisiana 70433 and if to a holder, to the address of such holder set forth in the security register or other records of the Company, or to such other address as the Company or any such holder may
have furnished to the other in writing in accordance herewith, except that notices of change of address shall be effective only upon receipt. 

  
 21 

 (d) Parties in Interest. All the terms and provisions of this Exchange and
Registration Rights Agreement shall be binding upon, shall inure to the benefit of and shall be enforceable by the parties hereto and the holders from time to time of the Registrable Securities and the respective successors and assigns of the
parties hereto and such holders. In the event that any transferee of any holder of Registrable Securities shall acquire Registrable Securities, in any manner, whether by gift, bequest, purchase, operation of law or otherwise, such transferee shall,
without any further writing or action of any kind, be deemed a beneficiary hereof for all purposes and such Registrable Securities shall be held subject to all of the terms of this Exchange and Registration Rights Agreement, and by taking and
holding such Registrable Securities such transferee shall be entitled to receive the benefits of, and be conclusively deemed to have agreed to be bound by all of the applicable terms and provisions of this Exchange and Registration Rights Agreement.
If the Company shall so request, any such successor, assign or transferee shall agree in writing to acquire and hold the Registrable Securities subject to all of the applicable terms hereof. 

(e) Survival. The respective indemnities, agreements, representations, warranties and each other provision set forth in this
Exchange and Registration Rights Agreement or made pursuant hereto shall remain in full force and effect regardless of any investigation (or statement as to the results thereof) made by or on behalf of any holder of Registrable Securities, any
director, officer or partner of such holder, any agent or underwriter or any director, officer or partner thereof, or any controlling person of any of the foregoing, and shall survive delivery of and payment for the Registrable Securities pursuant
to the Purchase Agreement and the transfer and registration of Registrable Securities by such holder and the consummation of an Exchange Offer. 
 (f) Governing Law. This Exchange and Registration Rights Agreement, and any claim, controversy or dispute arising under or related to this Agreement, shall be governed by and construed in
accordance with the laws of the State of New York. 
 (g) Headings. The descriptive headings of the several Sections and
paragraphs of this Exchange and Registration Rights Agreement are inserted for convenience only, do not constitute a part of this Exchange and Registration Rights Agreement and shall not affect in any way the meaning or interpretation of this
Exchange and Registration Rights Agreement. 
 (h) Entire Agreement; Amendments. This Exchange and Registration Rights
Agreement and the other writings referred to herein (including the Indenture and the form of Securities) or delivered pursuant hereto which form a part hereof contain the entire understanding of the parties with respect to its subject matter. This
Exchange and Registration Rights Agreement supersedes all prior agreements and understandings between the parties with respect to its subject matter. This Exchange and Registration Rights Agreement may be amended and the observance of any term of
this Exchange and Registration Rights Agreement may be waived (either generally or in a particular instance and either retroactively or prospectively) only by a written instrument duly executed by the Company and the holders of at least a majority
in aggregate principal amount of the outstanding Registrable Securities, not including the Company or its affiliates, affected by such amendment, modification, supplement, waiver or consent. Each holder of any Registrable Securities at the time or
thereafter outstanding shall be bound by any amendment or waiver effected pursuant to this Section 9(h), whether or not any notice, writing or marking indicating such amendment or waiver appears on such Registrable Securities or is delivered to
such holder. 

  
 22 

 (i) Inspection. For so long as this Exchange and Registration Rights Agreement shall
be in effect, this Exchange and Registration Rights Agreement and a complete list of the names and addresses of all the holders of Registrable Securities shall be made available for inspection and copying on any business day by any holder of
Registrable Securities for proper purposes only (which shall include any purpose related to the rights of the holders of Registrable Securities under the Securities, the Indenture and this Agreement) at the offices of the Company at the address
thereof set forth in Section 9(c) above and at the office of the Trustee under the Indenture. 
 (j) Counterparts.
This agreement may be executed by the parties in counterparts, each of which shall be deemed to be an original, but all such respective counterparts shall together constitute one and the same instrument. 

  
 23 

 If the foregoing is in accordance with your understanding, please sign and return to us
seven counterparts hereof (one for the Company, the Guarantors and each of the representatives plus one for each counsel), and upon the acceptance hereof by you, on behalf of each of the Purchasers, this letter and such acceptance hereof shall
constitute a binding agreement between each of the Purchasers, the Guarantors and the Company. It is understood that your acceptance of this letter on behalf of each of the Purchasers is pursuant to the authority set forth in a form of Agreement
among Purchasers, the form of which shall be submitted to the Company for examination upon request, but without warranty on your part as to the authority of the signers thereof. 

 

			
	Very truly yours,
	
	 Hornbeck Offshore Services, Inc.

	 Energy Services Puerto Rico, LLC

	 Hornbeck Offshore Operators, LLC

	 Hornbeck Offshore Services, LLC

	 Hornbeck Offshore Transportation, LLC

	 Hornbeck Offshore Trinidad & Tobago, LLC

	 HOS-IV, LLC

	 HOS Port, LLC

		
	 By:
	 	/s/ James O. Harp, Jr.
		 	 James O. Harp, Jr.

		 	 Executive Vice President and

		 	 Chief Financial Officer

 Accepted as of the date hereof: 
 Barclays Capital Inc. 
   As Representative of the 

  several Purchasers listed in 

  Schedule 1 to the Purchase Agreement 
  

			
	 By:
	 	/s/ Paul Cugno
		 	Name: Paul Cugno
		 	Title: Managing Director

  
 24 

 Exhibit A 
 Hornbeck Offshore Services, Inc. 
 INSTRUCTION TO DTC PARTICIPANTS

 (Date of Mailing) 
 URGENT—IMMEDIATE ATTENTION REQUESTED 
 DEADLINE FOR
RESPONSE: [DATE] * 
 The Depository Trust Company (“DTC”) has identified you as a DTC Participant through which
beneficial interests in the Hornbeck Offshore Services, Inc. (the “Company”) 5.000% Senior Notes due 2021 (the “Securities”) are held. 
 The Company is in the process of registering the Securities under the Securities Act of 1933, as amended, for resale by the beneficial owners thereof. In order to have their Securities included in the
registration statement, beneficial owners must complete and return the enclosed Notice of Registration Statement and Selling Securityholder Questionnaire. 
 It is important that beneficial owners of the Securities receive a copy of the enclosed materials as soon as possible as their rights to have the Securities included in the registration statement
depend upon their returning the Notice and Questionnaire by [Deadline For Response]. Please forward a copy of the enclosed documents to each beneficial owner that holds interests in the Securities through you. If you require more copies of
the enclosed materials or have any questions pertaining to this matter, please contact Hornbeck Offshore Services, Inc., 103 Northpark Boulevard, Suite 300, Covington, Louisiana 70433 (telephone (985) 727-2000). 

  
 A-1

 Hornbeck Offshore Services, Inc. 

Notice of Registration Statement 
 and  
 Selling Securityholder Questionnaire 

(Date) 
 Reference is hereby
made to the Exchange and Registration Rights Agreement (the “Exchange and Registration Rights Agreement”) among Hornbeck Offshore Services, Inc. (the “Company”), the Guarantors named therein and the Purchasers named therein.
Pursuant to the Exchange and Registration Rights Agreement, the Company has filed with the United States Securities and Exchange Commission (the “Commission”) a registration statement on Form S-3 (the “Shelf Registration
Statement”) for the registration and resale under Rule 415 of the Securities Act of 1933, as amended (the “Securities Act”), of the Company’s 5.000% Senior Notes due 2021 (the “Securities”). A copy of the Exchange
and Registration Rights Agreement is attached hereto. All capitalized terms not otherwise defined herein shall have the meanings ascribed thereto in the Exchange and Registration Rights Agreement. 

Each beneficial owner of Registrable Securities (as defined below) is entitled to have the Registrable Securities beneficially owned by it included in
the Shelf Registration Statement. In order to have Registrable Securities included in the Shelf Registration Statement, this Notice of Registration Statement and Selling Securityholder Questionnaire (“Notice and Questionnaire”) must be
completed, executed and delivered to the Company’s counsel at the address set forth herein for receipt ON OR BEFORE [Deadline for Response]. Beneficial owners of Registrable Securities who do not complete, execute and return this Notice
and Questionnaire by such date (i) will not be named as selling securityholders in the Shelf Registration Statement and (ii) may not use the Prospectus forming a part thereof for resales of Registrable Securities. 

Certain legal consequences arise from being named as a selling securityholder in the Shelf Registration Statement and related Prospectus. Accordingly,
holders and beneficial owners of Registrable Securities are advised to consult their own securities law counsel regarding the consequences of being named or not being named as a selling securityholder in the Shelf Registration Statement and related
Prospectus. 
 The term “Registrable Securities” is defined in the Exchange and Registration Rights Agreement. 

  
 A-2

 ELECTION 
 The undersigned holder (the “Selling Securityholder”) of Registrable Securities hereby elects to include in the Shelf Registration Statement the Registrable Securities beneficially owned by it
and listed below in Item (3). The undersigned, by signing and returning this Notice and Questionnaire, agrees to be bound with respect to such Registrable Securities by the terms and conditions of this Notice and Questionnaire and the Exchange
and Registration Rights Agreement, including, without limitation, Section 6 of the Exchange and Registration Rights Agreement, as if the undersigned Selling Securityholder were an original party thereto.a 
 Upon any sale of Registrable Securities pursuant to the Shelf Registration Statement, the Selling Securityholder will be required to deliver to the Company and Trustee the Notice of Transfer set forth in
Appendix A to the Prospectus and as Exhibit B to the Exchange and Registration Rights Agreement. 
 The Selling Securityholder hereby
provides the following information to the Company and represents and warrants that such information is accurate and complete: 
  

 
 a The Exchange and Registration Rights Agreement must be included with
the mailing of the Notice and Questionnaire. 

  
 A-3

 QUESTIONNAIRE 

 

											
	(1)	 	 	(a)	  	 	Full Legal Name of Selling Securityholder:
		 				 	 
		 	 	(b)	  	 	Full Legal Name of Registered Holder (if not the same as in (a) above) of Registrable Securities Listed in Item (3) below:
		 				 	 
		 	 	(c)	  	 	Full Legal Name of DTC Participant (if applicable and if not the same as (b) above) Through Which Registrable Securities Listed in Item (3) below are
Held:
		 				 	 
	(2)	 				 	Address for Notices to Selling Securityholder:
		 				 		 	 	 	
		 				 		 	 	 	
		 				 		 	 	 	
		 				 	Telephone:	 	 	 	
		 				 	Fax:	 	 	 	
		 				 	Contact Person:	 	 	 	
			
	(3)	 				 	Beneficial Ownership of Securities:
			
		 				 	Except as set forth below in this Item (3), the undersigned does not beneficially own
		 				 	any Securities.
			
		 	 	(a)	  	 	Principal amount of Registrable Securities beneficially owned:
                        
		 				 	CUSIP No(s). of such Registrable Securities:
                                         
             
			
		 	 	(b)	  	 	Principal amount of Securities other than Registrable Securities beneficially owned:
		 				 	 
		 				 	CUSIP No(s). of such other
Securities:                                       
                             
			
		 	 	(c)	  	 	Principal amount of Registrable Securities which the undersigned wishes to be included in the Shelf Registration Statement:
		 				 	CUSIP No(s). of such Registrable Securities to be included in the Shelf Registration Statement:
		 				 	 
			
	(4)	 				 	Beneficial Ownership of Other Securities of the Company:
			
		 				 	 Except as set forth below in this Item (4), the undersigned Selling Securityholder is not

		 				 	 the beneficial or registered owner of any other securities of the Company, other than

		 				 	 the Securities listed above in Item (3).

			
		 				 	 State any exceptions here:

  
 A-4

					
			
	(5)	 		 	Relationships with the Company:
			
		 		 	Except as set forth below, neither the Selling Securityholder nor any of its affiliates, officers, directors or principal equity holders (5% or more) has held any position or
office or has had any other material relationship with the Company (or its predecessors or affiliates) during the past three years.
			
		 		 	State any exceptions here:
			
	(6)	 		 	Plan of Distribution:
			
		 		 	Except as set forth below, the undersigned Selling Securityholder intends to distribute the Registrable Securities listed above in Item (3) only as follows (if at all): Such
Registrable Securities may be sold from time to time directly by the undersigned Selling Securityholder or, alternatively, through underwriters, broker-dealers or agents. Such Registrable Securities may be sold in one or more transactions at fixed
prices, at prevailing market prices at the time of sale, at varying prices determined at the time of sale, or at negotiated prices. Such sales may be effected in transactions (which may involve crosses or block transactions) (i) on any national
securities exchange or quotation service on which the Registered Securities may be listed or quoted at the time of sale, (ii) in the over-the-counter market, (iii) in transactions otherwise than on such exchanges or services or in the
over-the-counter market, or (iv) through the writing of options. In connection with sales of the Registrable Securities or otherwise, the Selling Securityholder may enter into hedging transactions with broker-dealers, which may in turn engage
in short sales of the Registrable Securities in the course of hedging the positions they assume. The Selling Securityholder may also sell Registrable Securities short and deliver Registrable Securities to close out such short positions, or loan or
pledge Registrable Securities to broker-dealers that in turn may sell such securities.
			
		 		 	State any exceptions here:

 By signing below, the Selling Securityholder acknowledges that it understands its obligation to comply, and agrees that
it will comply, with the provisions of the Exchange Act and the rules and regulations thereunder, particularly Regulation M. 
 In the event
that the Selling Securityholder transfers all or any portion of the Registrable Securities listed in Item (3) above after the date on which such information is provided to the Company, the Selling Securityholder agrees to notify the
transferee(s) at the time of the transfer of its rights and obligations under this Notice and Questionnaire and the Exchange and Registration Rights Agreement. 
 By signing below, the Selling Securityholder consents to the disclosure of the information contained herein in its answers to Items (1) through (6) above and the inclusion of such information in
the Shelf Registration Statement and related Prospectus. The Selling Securityholder understands that such information will be relied upon by the Company in connection with the preparation of the Shelf Registration Statement and related Prospectus.

  
 A-5

 In accordance with the Selling Securityholder’s obligation under Section 3(d) of the Exchange and
Registration Rights Agreement to provide such information as may be required by law for inclusion in the Shelf Registration Statement, the Selling Securityholder agrees to promptly notify the Company of any inaccuracies or changes in the information
provided herein which may occur subsequent to the date hereof at any time while the Shelf Registration Statement remains in effect. All notices hereunder and pursuant to the Exchange and Registration Rights Agreement shall be made in writing, by
hand-delivery, first-class mail, or air courier guaranteeing overnight delivery as follows: 
 (i) To the Company: 

James O. Harp, Jr. 
 Hornbeck Offshore Services, Inc. 
 103 Northpark Boulevard, Suite
300 
 Covington, Louisiana 70433 
 (ii) With a copy (which shall not constitute notice) to: 
 R.
Clyde Parker, Jr. 
 Winstead P.C. 

24 Waterway Avenue, Suite 500 
 The Woodlands, Texas 77380 
 Once this Notice and Questionnaire is executed by the Selling
Securityholder and received by the Company’s counsel, the terms of this Notice and Questionnaire, and the representations and warranties contained herein, shall be binding on, shall inure to the benefit of and shall be enforceable by the
respective successors, heirs, personal representatives, and assigns of the Company and the Selling Securityholder (with respect to the Registrable Securities beneficially owned by such Selling Securityholder and listed in Item (3) above. This
Agreement shall be governed in all respects by the laws of the State of New York. 

  
 A-6

 IN WITNESS WHEREOF, the undersigned, by authority duly given, has caused this Notice and Questionnaire to
be executed and delivered either in person or by its duly authorized agent. 

Dated:                        
 
  

			
	 
	 Selling Securityholder
 (Print/type full legal name of beneficial owner of Registrable Securities)

		
	By:	 	 
	Name:
	Title:

 PLEASE RETURN THE COMPLETED AND EXECUTED NOTICE AND QUESTIONNAIRE FOR RECEIPT ON OR BEFORE [DEADLINE FOR RESPONSE]
TO THE COMPANY’S COUNSEL AT: 
 R. Clyde Parker, Jr. 

Winstead P.C. 
 24 Waterway Avenue, Suite 500 
 The Woodlands, Texas 77380

  
 A-7

 Exhibit B 
 NOTICE OF TRANSFER PURSUANT TO REGISTRATION STATEMENT 
 Wells Fargo Bank, National Association

 Hornbeck Offshore Services, Inc. 

c/o Wells Fargo Bank, National Association 
 150 East 42nd
Street 
 New York, New York 10017 

Attention: Trust Officer 
  

	 	Re:	Hornbeck Offshore Services, Inc. (the “Company”) 

	 	         5.000%	Senior Notes due 2021 

 Dear Sirs: 

Please be advised that                     has
transferred $                     aggregate principal amount of the above-referenced Notes pursuant to an effective Registration Statement on Form
[            ] (File No. 333- ) filed by the Company. 
 We hereby certify that the prospectus delivery requirements, if any, of the Securities Act of 1933, as amended, have been satisfied and that the above-named beneficial owner of the Notes is named as a
“Selling Holder” in the Prospectus dated [date] or in supplements thereto, and that the aggregate principal amount of the Notes transferred are the Notes listed in such Prospectus opposite such owner’s name. 

Dated: 
  

			
	Very truly yours,
		
		 	 
		 	(Name)
		
	By:	 	 
		 	(Authorized Signature)

  
 B-1EX-10.3

 Exhibit 10.3 
 MEDICINOVA, INC. 
 INDEMNITY AGREEMENT 

THIS INDEMNITY AGREEMENT (this “Agreement”) dated as of
                    , 20    , is made by and between MEDICINOVA, INC., a
Delaware corporation (the “Company”), and             (“Indemnitee”). 
 RECITALS 
 A. The Company desires to attract and
retain the services of highly qualified individuals as directors, officers, employees and agents. 
 B. The
Company’s Amended and Restated Bylaws (the “Bylaws”) require that the Company indemnify its directors, and empowers the Company to indemnify its officers, employees and agents, as authorized by the Delaware General Corporation
Law, as amended (the “Code”), under which the Company is organized and such Bylaws expressly provide that the indemnification provided therein is not exclusive and contemplates that the Company may enter into separate agreements
with its directors, officers and other persons to set forth specific indemnification provisions. 
 C. Indemnitee does
not regard the protection currently provided by applicable law, the Company’s governing documents and available insurance as adequate under the present circumstances, and the Company has determined that Indemnitee and other directors, officers,
employees and agents of the Company may not be willing to serve or continue to serve in such capacities without additional protection. 
 D. The Company desires and has requested Indemnitee to serve or continue to serve as a director, officer, employee or agent of the Company, as the case may be, and has proferred this Agreement to
Indemnitee as an additional inducement to serve in such capacity. 
 E. Indemnitee is willing to serve, or to continue to
serve, as a director, officer, employee or agent of the Company, as the case may be, if Indemnitee is furnished the indemnity provided for herein by the Company. 
 AGREEMENT 
 NOW
THEREFORE, in consideration of the mutual covenants and agreements set forth herein, the parties hereto, intending to be legally bound, hereby agree as follows: 

1. Definitions. 
 (a) Agent. For purposes of this Agreement, the term “agent” of the Company means any person who: (i) is or was a director, officer, employee or other fiduciary of the Company, a
subsidiary of the Company or an employee benefit plan of the Company or a subsidiary of the Company; or (ii) is or was serving at the request or for the convenience of, or representing the interests of, the Company or a subsidiary of the
Company, as a director, officer, employee or other fiduciary of a foreign or domestic corporation, partnership, joint venture, trust or other enterprise. 

  
 1. 

 (b) Expenses. For purposes of this Agreement, the term “expenses” shall be
broadly construed and shall include, without limitation, all direct and indirect costs of any type or nature whatsoever (including, without limitation, all attorneys’, witness, or other professional fees and related disbursements, premiums,
security for and other costs relating to any bonds and other out-of-pocket costs of whatever nature), actually and reasonably incurred by Indemnitee in connection with the investigation, defense or appeal of a proceeding or establishing or enforcing
a right to indemnification under this Agreement, the Code or otherwise, and amounts paid in settlement by or on behalf of Indemnitee, but shall not include any judgments, fines or penalties actually levied against Indemnitee for such
individual’s violations of law. The term “expenses” shall also include reasonable compensation for time spent by Indemnitee for which he is not compensated by the Company or any subsidiary or third party (i) for any period during
which Indemnitee is not an agent, in the employment of, or providing services for compensation to, the Company or any subsidiary; and (ii) if the rate of compensation and estimated time involved is approved by the directors of the Company who
are not parties to any action with respect to which expenses are incurred, for Indemnitee while an agent of, employed by, or providing services for compensation to, the Company or any subsidiary. 

(c) Proceedings. For purposes of this Agreement, the term “proceeding” shall be broadly construed and shall include,
without limitation, any threatened, pending, or completed action, suit, arbitration, alternate dispute resolution mechanism, investigation, inquiry, administrative hearing or any other actual, threatened or completed proceeding, whether brought in
the right of the Company or otherwise and whether of a civil, criminal, administrative or investigative nature, and whether formal or informal in any case, in which Indemnitee was, is or will be involved as a party or otherwise by reason of:
(i) the fact that Indemnitee is or was a director or officer of the Company; (ii) the fact that any action taken by Indemnitee or of any action on Indemnitee’s part while acting as director, officer, employee or agent of the Company;
or (iii) the fact that Indemnitee is or was serving at the request of the Company as a director, officer, employee or agent of another corporation, partnership, joint venture, trust, employee benefit plan or other enterprise, and in any such
case described above, whether or not serving in any such capacity at the time any liability or expense is incurred for which indemnification, reimbursement, or advancement of expenses may be provided under this Agreement. 

(d) Subsidiary. For purposes of this Agreement, the term “subsidiary” means any corporation or limited liability company
of which more than 20% of the outstanding voting securities or equity interests are owned, directly or indirectly, by the Company and one or more of its subsidiaries, and any other corporation, limited liability company, partnership, joint venture,
trust, employee benefit plan or other enterprise of which Indemnitee is or was serving at the request of the Company as a director, officer, employee, agent or fiduciary. 
 (e) Independent Counsel. For purposes of this Agreement, the term “independent counsel” means a law firm, or a partner (or, if applicable, member) of such a law firm, that is experienced
in matters of corporation law and neither presently is, nor in the past five (5) years has been, retained to represent: (i) the Company or Indemnitee in any matter 

  
 2. 

 
material to either such party, or (ii) any other party to the proceeding giving rise to a claim for indemnification hereunder. Notwithstanding the foregoing, the term “independent
counsel” shall not include any person who, under the applicable standards of professional conduct then prevailing, would have a conflict of interest in representing either the Company or Indemnitee in an action to determine Indemnitee’s
rights under this Agreement. 
 2. Consideration. The Company acknowledges that it has entered into this
Agreement and assumes the obligations imposed on it hereby, in addition to and separate from its obligations to Indemnitee under the Bylaws, to induce Indemnitee to serve, or continue to serve, as a director, officer, employee or agent of the
Company, and the Company acknowledges that Indemnitee is relying upon this Agreement in serving as a director, officer, employee or agent of the Company. 
 3. Indemnification. 
 (a) Indemnification in Third Party Proceedings.
Subject to Section 10 below, the Company shall indemnify Indemnitee, if Indemnitee is a party to or threatened to be made a party to or otherwise involved in any proceeding, for any and all expenses, actually and reasonably incurred by
Indemnitee in connection with the investigation, defense, settlement or appeal of such proceeding. 
 (b) Indemnification in
Derivative Actions and Direct Actions by the Company. Subject to Section 10 below, the Company shall indemnify Indemnitee, if Indemnitee is a party to or threatened to be made a party to or otherwise involved in any proceeding by or in the
right of the Company to procure a judgment in its favor, against any and all expenses actually and reasonably incurred by Indemnitee in connection with the investigation, defense, settlement, or appeal of such proceedings. 

4. Indemnification of Expenses of Successful Party. Notwithstanding any other provision of this Agreement, to the
extent that Indemnitee has been successful on the merits or otherwise in defense of any proceeding or in defense of any claim, issue or matter therein, including the dismissal of any action without prejudice, the Company shall indemnify Indemnitee
against all expenses actually and reasonably incurred in connection with the investigation, defense or appeal of such proceeding. 
 5. Partial Indemnification. If Indemnitee is entitled under any provision of this Agreement to indemnification by the Company for some or a portion of any expenses actually and reasonably incurred
by Indemnitee in the investigation, defense, settlement or appeal of a proceeding, but is precluded by applicable law or the specific terms of this Agreement to indemnification for the total amount thereof, the Company shall nevertheless indemnify
Indemnitee for the portion thereof to which Indemnitee is entitled. 
 6. Advancement of Expenses. To the
extent not prohibited by law, the Company shall advance the expenses incurred by Indemnitee in connection with any proceeding, and such advancement shall be made within twenty (20) days after the receipt by the Company of a statement or
statements requesting such advances (which 

  
 3. 

 
shall include invoices received by Indemnitee in connection with such expenses but, in the case of invoices in connection with legal services, any references to legal work performed or to
expenditures made that would cause Indemnitee to waive any privilege accorded by applicable law shall not be included with the invoice) and upon request of the Company, an undertaking to repay the advancement of expenses if and to the extent that it
is ultimately determined by a court of competent jurisdiction in a final judgment, not subject to appeal, that Indemnitee is not entitled to be indemnified by the Company. Advances shall be unsecured, interest free and without regard to
Indemnitee’s ability to repay the expenses. Advances shall include any and all expenses actually and reasonably incurred by Indemnitee pursuing an action to enforce Indemnitee’s right to indemnification under this Agreement, or otherwise
and this right of advancement, including expenses incurred preparing and forwarding statements to the Company to support the advances claimed. Indemnitee acknowledges that the execution and delivery of this Agreement shall constitute an undertaking
providing that Indemnitee shall, to the fullest extent required by law, repay the advance if and to the extent that it is ultimately determined by a court of competent jurisdiction in a final judgment, not subject to appeal, that Indemnitee is not
entitled to be indemnified by the Company. The right to advances under this Section shall continue until final disposition of any proceeding, including any appeal therein. This Section 6 shall not apply to any claim made by Indemnitee for which
indemnity is excluded pursuant to Section 10(b). 
 7. Notice and Other Indemnification Procedures.

 (a) Notification of Proceeding. Indemnitee will notify the Company in writing promptly upon being served with any
summons, citation, subpoena, complaint, indictment, information or other document relating to any proceeding or matter which may be subject to indemnification or advancement of expenses covered hereunder. The failure of Indemnitee to so notify the
Company shall not relieve the Company of any obligation which it may have to Indemnitee under this Agreement or otherwise. 

(b) Request for Indemnification and Indemnification Payments. Indemnitee shall notify the Company promptly in writing upon
receiving notice of any demand, judgment or other requirement for payment that Indemnitee reasonably believes to be subject to indemnification under the terms of this Agreement, and shall request payment thereof by the Company. Indemnification
payments requested by Indemnitee under Section 3 hereof shall be made by the Company no later than forty-five (45) days after receipt of the written request of Indemnitee. Claims for advancement of expenses shall be made under the
provisions of Section 6 herein. 
 (c) Application for Enforcement. In the event the Company fails to make timely
payments as set forth in Sections 6 or 7(b) above, Indemnitee shall have the right to apply to any court of competent jurisdiction for the purpose of enforcing Indemnitee’s right to indemnification or advancement of expenses pursuant to this
Agreement. In such an enforcement hearing or proceeding, the burden of proof shall be on the Company to prove that indemnification or advancement of expenses to Indemnitee is not required under this Agreement or permitted by applicable law. Any
determination by the Company (including its Board of Directors, stockholders or independent counsel) that Indemnitee is not entitled to indemnification hereunder, shall not be a defense by the Company to the action nor create any presumption that
Indemnitee is not entitled to indemnification or advancement of expenses hereunder. 

  
 4. 

 (d) Indemnification of Certain Expenses. The Company shall indemnify Indemnitee
against all expenses incurred in connection with any hearing or proceeding under this Section 7 unless the Company prevails in such hearing or proceeding on the merits in all material respects. 

8. Assumption of Defense. In the event the Company shall be requested by Indemnitee to pay the expenses of any
proceeding, the Company, if appropriate, shall be entitled to assume the defense of such proceeding, or to participate to the extent permissible in such proceeding, with counsel reasonably acceptable to Indemnitee. Upon assumption of the defense by
the Company and the retention of such counsel by the Company, the Company shall not be liable to Indemnitee under this Agreement for any fees of counsel subsequently incurred by Indemnitee with respect to the same proceeding, provided that
Indemnitee shall have the right to employ separate counsel in such proceeding at Indemnitee’s sole cost and expense. Notwithstanding the foregoing, if Indemnitee’s counsel delivers a written notice to the Company stating that such counsel
has reasonably concluded that there is an actual or potential conflict of interest between the Company and Indemnitee in the conduct of any such defense or the Company shall not, in fact, have employed counsel or otherwise actively pursued the
defense of such proceeding within a reasonable time, then in any such event the fees and expenses of Indemnitee’s counsel to defend such proceeding shall be subject to the indemnification and advancement of expenses provisions of this
Agreement. 
 9. Insurance. To the extent that the Company maintains an insurance policy or policies
providing liability insurance for directors, officers, employees, or agents of the Company or of any subsidiary (“D&O Insurance”), Indemnitee shall be covered by such policy or policies in accordance with its or their terms to the
maximum extent of the coverage available for any such director, officer, employee or agent under such policy or policies. If, at the time of the receipt of a notice of a claim pursuant to the terms hereof, the Company has D&O Insurance in
effect, the Company shall give prompt notice of the commencement of such proceeding to the insurers in accordance with the procedures set forth in the respective policies. The Company shall thereafter take all necessary or desirable action to cause
such insurers to pay, on behalf of Indemnitee, all amounts payable as a result of such proceeding in accordance with the terms of such policies. 
 10. Exceptions. 
 (a) Certain Matters. Any provision herein to the
contrary notwithstanding, the Company shall not be obligated pursuant to the terms of this Agreement to indemnify Indemnitee on account of any proceeding with respect to (i) remuneration paid to Indemnitee if it is determined by final judgment
or other final adjudication that such remuneration was in violation of law (and, in this respect, both the Company and Indemnitee have been advised that the Securities and Exchange Commission believes that indemnification for liabilities arising
under the federal securities laws is against public policy and is, therefore, unenforceable and that claims for indemnification should be submitted to appropriate courts for adjudication, as 

  
 5. 

 
indicated in Section 10(d) below); (ii) a final judgment rendered against Indemnitee for an accounting, disgorgement or repayment of profits made from the purchase or sale by Indemnitee
of securities of the Company against Indemnitee or in connection with a settlement by or on behalf of Indemnitee to the extent it is acknowledged by Indemnitee and the Company that such amount paid in settlement resulted from Indemnitee’s
conduct from which Indemnitee received monetary personal profit, pursuant to the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended, or other provisions of any federal, state or local statute or rules and regulations
thereunder; (iii) a final judgment or other final adjudication that Indemnitee’s conduct was in bad faith, knowingly fraudulent or deliberately dishonest or constituted willful misconduct (but only to the extent of such specific
determination); or (iv) on account of conduct that is established by a final judgment as constituting a breach of Indemnitee’s duty of loyalty to the Company or resulting in any personal profit or advantage to which Indemnitee is not
legally entitled. For purposes of the foregoing sentence, a final judgment or other adjudication may be reached in either the underlying proceeding or action in connection with which indemnification is sought or a separate proceeding or action to
establish rights and liabilities under this Agreement. 
 (b) Claims Initiated by Indemnitee. Any provision herein to the
contrary notwithstanding, the Company shall not be obligated to indemnify or advance expenses to Indemnitee with respect to proceedings or claims initiated or brought by Indemnitee against the Company or its directors, officers, employees or other
agents and not by way of defense, except (i) with respect to proceedings brought to establish or enforce a right to indemnification under this Agreement or under any other agreement, provision in the Bylaws or the Company’s Amended and
Restated Certificate of Incorporation (the “Certificate of Incorporation”) or applicable law, or (ii) with respect to any other proceeding initiated by Indemnitee that is either approved by the Board of Directors or
Indemnitee’s participation is required by applicable law. However, indemnification or advancement of expenses may be provided by the Company in specific cases if the Board of Directors determines it to be appropriate. 

(c) Unauthorized Settlements. Any provision herein to the contrary notwithstanding, the Company shall not be obligated pursuant to
the terms of this Agreement to indemnify Indemnitee under this Agreement for any amounts paid in settlement of a proceeding effected without the Company’s written consent. Neither the Company nor Indemnitee shall unreasonably withhold consent
to any proposed settlement; provided, however, that the Company may in any event decline to consent to (or to otherwise admit or agree to any liability for indemnification hereunder in respect of) any proposed settlement if the Company is also a
party in such proceeding and determines in good faith that such settlement is not in the best interests of the Company and its stockholders. 
 (d) Securities Act Liabilities. Any provision herein to the contrary notwithstanding, the Company shall not be obligated pursuant to the terms of this Agreement to indemnify Indemnitee or otherwise
act in violation of any undertaking appearing in and required by the rules and regulations promulgated under the Securities Act of 1933, as amended (the “Act”), or in any registration statement filed with the SEC under the Act.
Indemnitee acknowledges that paragraph (h) of Item 512 of Regulation S-K currently generally requires the Company to undertake in connection with any registration statement filed under the Act to submit the issue of the enforceability of
Indemnitee’s rights under this Agreement in connection 

  
 6. 

 
with any liability under the Act on public policy grounds to a court of appropriate jurisdiction and to be governed by any final adjudication of such issue. Indemnitee specifically agrees that
any such undertaking shall supersede the provisions of this Agreement and to be bound by any such undertaking. 

11. Nonexclusivity and Survival of Rights. The provisions for indemnification and advancement of expenses set forth
in this Agreement shall not be deemed exclusive of any other rights which Indemnitee may at any time be entitled under any provision of applicable law, the Certificate of Incorporation, Bylaws or other agreements, both as to action in
Indemnitee’s official capacity and Indemnitee’s action as an agent of the Company, in any court in which a proceeding is brought, and Indemnitee’s rights hereunder shall continue after Indemnitee has ceased acting as an agent of the
Company and shall inure to the benefit of the heirs, executors, administrators and assigns of Indemnitee. The obligations and duties of the Company to Indemnitee under this Agreement shall be binding on the Company and its successors and assigns
until terminated in accordance with its terms. The Company shall require any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business or assets of the Company, expressly to
assume and agree in writing to perform this Agreement in the same manner and to the same extent that the Company would be required to perform if no such succession had taken place. 

No amendment, alteration or repeal of this Agreement or of any provision hereof shall limit or restrict any right of Indemnitee under
this Agreement in respect of any action taken or omitted by such Indemnitee in his or her corporate status prior to such amendment, alteration or repeal. To the extent that a change in the Code, whether by statute or judicial decision, permits
greater indemnification or advancement of expenses than would be afforded currently under the Certificate of Incorporation, Bylaws and this Agreement, it is the intent of the parties hereto that Indemnitee shall enjoy by this Agreement the greater
benefits so afforded by such change. No right or remedy herein conferred is intended to be exclusive of any other right or remedy, and every other right and remedy shall be cumulative and in addition to every other right and remedy given hereunder
or now or hereafter existing at law or in equity or otherwise. The assertion or employment of any right or remedy hereunder, or otherwise, by Indemnitee shall not prevent the concurrent assertion or employment of any other right or remedy by
Indemnitee. 
 12. Subrogation. In the event of payment under this Agreement, the Company shall be
subrogated to the extent of such payment to all of the rights of recovery of Indemnitee, who, at the request and expense of the Company, shall execute all papers required and shall do everything that may be reasonably necessary to secure such
rights, including the execution of such documents necessary to enable the Company effectively to bring suit to enforce such rights. 
 13. Interpretation of Agreement. It is understood that the parties hereto intend this Agreement to be interpreted and enforced so as to provide indemnification to Indemnitee to the fullest extent
now or hereafter permitted by law. 

  
 7. 

 14. Severability. If any provision of this Agreement shall be held to
be invalid, illegal or unenforceable for any reason whatsoever, (a) the validity, legality and enforceability of the remaining provisions of the Agreement (including without limitation, all portions of any paragraphs of this Agreement
containing any such provision held to be invalid, illegal or unenforceable, that are not themselves invalid, illegal or unenforceable) shall not in any way be affected or impaired thereby; and (b) to the fullest extent possible, the provisions
of this Agreement (including, without limitation, all portions of any paragraph of this Agreement containing any such provision held to be invalid, illegal or unenforceable, that are not themselves invalid, illegal or unenforceable) shall be
construed so as to give effect to the intent manifested by the provision held invalid, illegal or unenforceable and to give effect to Section 13 hereof. 
 15. Amendment and Waiver. No supplement, modification, amendment, termination, or cancellation of this Agreement shall be binding unless executed in writing by the parties hereto. No waiver of any
of the provisions of this Agreement shall be deemed or shall constitute a waiver of any other provision hereof (whether or not similar) nor shall such waiver constitute a continuing waiver. 

16. Notice. Except as otherwise provided herein, any notice or demand which, by the provisions hereof, is required
or which may be given to or served upon the parties hereto shall be in writing and, if by telegram, telecopy or telex, shall be deemed to have been validly served, given or delivered when sent, if by overnight delivery, courier or personal delivery,
shall be deemed to have been validly served, given or delivered upon actual delivery and, if mailed, shall be deemed to have been validly served, given or delivered three (3) business days after deposit in the United States mail, as registered
or certified mail, with proper postage prepaid and addressed to the party or parties to be notified at the addresses set forth on the signature page of this Agreement (or such other address(es) as a party may designate for itself by like notice). If
to the Company, notices and demands shall be delivered to the attention of the Secretary of the Company. 

17. Governing Law. This Agreement shall be governed exclusively by and construed according to the internal laws of
the State of California and the General Corporation Law of the State of Delaware. 
 18. Counterparts.
This Agreement may be executed in one or more counterparts, each of which shall for all purposes be deemed to be an original but all of which together shall constitute but one and the same Agreement. Only one such counterpart need be produced to
evidence the existence of this Agreement. 
 19. Headings. The headings of the sections of this Agreement
are inserted for convenience only and shall not be deemed to constitute part of this Agreement or to affect the construction hereof. 
 20. Entire Agreement. This Agreement constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior agreements, understandings and
negotiations, written and oral, between the parties with respect to the subject matter of this Agreement; provided, however, that this Agreement is a supplement to and in furtherance of the Certificate of Incorporation, Bylaws, the Code and any
other applicable law, and shall not be deemed a substitute therefor, and does not diminish or abrogate any rights of Indemnitee thereunder. 
 [REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK] 

  
 8. 

 IN WITNESS WHEREOF, the
parties hereto have entered into this Agreement effective as of the date first above written. 
  

					
	MEDICINOVA, INC.
		
	By:	 	 
		 	Name:	 	 
		 	Title:	 	 
	
	INDEMNITEE
	
	 
	Signature of Indemnitee
	
	 
	 Print or Type Name of Indemnitee

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