Document:

EX-10.15

 EXHIBIT 10.15 

CARBYLAN THERAPEUTICS, INC. 

CONVERTIBLE NOTE PURCHASE AGREEMENT 

This Convertible Note Purchase Agreement (the “Agreement”) is made as of the 29th day of September, 2014 by
and between Carbylan Therapeutics, Inc., a Delaware corporation (the “Company”), and each of the purchasers listed on Exhibit A attached to this Agreement, as may be amended from time to time (each a
“Purchaser” and together the “Purchasers”). 
 RECITALS 

The Company desires to issue and sell, and each Purchaser desires to purchase, a convertible promissory note in substantially
the form attached to this Agreement as Exhibit B (the “Note”, together with this Agreement, the “Transaction Agreements”) which shall be convertible on the terms stated therein into equity securities of
the Company. The Notes and the equity securities issuable upon conversion thereof (and the securities issuable upon conversion of such equity securities) are collectively referred to herein as the “Securities.” The Securities shall
be sold and issued at the Closing, as defined below. 
 AGREEMENT 

In consideration of the mutual promises contained herein and other good and valuable consideration, receipt of which is hereby
acknowledged, the parties to this Agreement agree as follows: 

1.        Purchase and Sale of Notes. 

(a)        Sale and Issuance of Notes. Subject to the terms and
conditions of this Agreement, each Purchaser agrees to purchase at the Closing (as defined below) and the Company agrees to sell and issue to each Purchaser a Note in the principal amount set forth opposite such Purchaser’s name on
Exhibits A. The purchase price of each Note shall be equal to 100% of the principal amount of such Note. The Company’s agreements with each of the Purchasers are separate agreements, and the sales of the Notes to each of the
Purchasers are separate sales. 
 (b)        Closing. The purchase
and sale of the Notes, in an aggregate amount of five million dollars ($5,000,000), to the Purchasers shall take place at the offices of Ropes & Gray LLP, 1900 University Ave., 6th Floor,
East Palo Alto, California, at 10:00 a.m., on September 29, 2014 or at such other time and place as the Company and the Purchasers mutually agree upon, orally or in writing (which time and place are designated as the
“Closing”). 
 (c)        Delivery. At the Closing,
the Company shall issue and deliver to each Purchaser the Note to be purchased by such Purchaser against (1) payment of the purchase price therefor (in the amount set forth opposite such Purchaser’s name on Exhibits A) by check
payable to the Company or by wire transfer to a bank designated by the Company and (2) delivery of counterpart signature pages to this Agreement and the Note. 

 2.        Execution of Equity
Agreements. Each Purchaser understands and agrees that the conversion of the Notes into equity securities of the Company and the delivery of the duly executed certificates evidencing such equity securities will require such Purchaser’s
execution of certain agreements relating to the purchase and sale of such securities as well as any rights relating to such equity securities, to the extent such Purchaser has not already executed such agreements. 

3.        Representations and Warranties of the Company. The Company
hereby represents and warrants to each Purchaser that: 

(a)        Organization, Good Standing and Qualification. The Company
is a corporation duly organized, validly existing and in good standing under the laws of the State of Delaware and has all requisite corporate power and authority to carry on its business as now conducted and as proposed to be conducted. The Company
is duly qualified to transact business and is in good standing in each jurisdiction in which the failure so to qualify would have a material adverse effect on its business or properties. 

(b)        Authorization; Valid Issuance. The Agreement, the Notes and
the equity securities issuable upon conversion thereof, have been duly authorized by the Board of Directors of the Company. The Agreement and the Notes, when executed and delivered by the Company, shall constitute valid and legally binding
obligations of the Company, enforceable against the Company in accordance with their respective terms except as limited by applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance, and other laws of general application
affecting enforcement of creditors’ rights generally, and as limited by laws relating to the availability of specific performance, injunctive relief, or other equitable remedies. The Notes when sold, issued and delivered by the Company against
payment therefor in accordance with the terms of this Agreement, will be validly issued and will be free of any liens or encumbrances created by the Company, provided, however, that the Securities may be subject to restrictions on transfer under
state and/or federal securities laws as set forth herein. 

(c)        Governmental Consents and Filings. All consents, approvals,
orders, or authorizations of, or registrations, qualifications, designations, declarations, or filings with, any governmental authority, required on the part of the Company in connection with the valid execution and delivery of this Agreement, the
offer, sale or issuance of the Notes, and the equity securities issuable upon conversion of the Notes, shall have been obtained and will be effective at the Closing. 

(d)        Compliance with Laws. To its knowledge, the Company is not
in violation of any applicable statute, rule, regulation, order or restriction of any domestic or foreign government or any instrumentality or agency thereof in respect of the conduct of its business or the ownership of its properties, which
violation would materially and adversely effect the business, assets, liabilities, financial condition, operations or prospects of the Company. 

(e)        Compliance with Other Instruments. The Company is not in
violation or default (i) of any provisions of its Amended and Restated Certificate of Incorporation (as may be amended or restated from time to time, the “Restated Certificate”) or bylaws, (ii) of any instrument, judgment,
order, writ or decree, (iii) under any note, indenture or mortgage or, (iv) to 

  
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its knowledge, of any provision of United States federal or state statute, rule or regulation applicable to the Company, the violation of which, would have a material adverse effect on its
business or properties. The execution, delivery and performance of the Transaction Agreements and the consummation of the transactions contemplated by the Transaction Agreements will not result in any such violation or be in conflict with or
constitute, with or without the passage of time and giving of notice, either (i) a default under any such provision, instrument, judgment, order, writ, decree, contract or agreement or (ii) an event which results in the creation of any
lien, charge or encumbrance upon any assets of the Company or any subsidiary of the Company or the suspension, revocation, forfeiture, or nonrenewal of any material permit or license applicable to the Company. 

(f)        Offering. Assuming the accuracy of the representations and
warranties of the Purchasers contained in Section 4, the offer, issue, and sale of the Securities are exempt from the registration and prospectus delivery requirements of the Securities Act, and have been registered or qualified (or are exempt
from registration and qualification) under the registration, permit, or qualification requirements of all applicable state securities laws. 

4.        Representations and Warranties of the Purchasers. Each
Purchaser hereby represents and warrants to the Company that: 

(a)        Authorization. Such Purchaser has full power and authority
to enter into this Agreement. This Agreement, when executed and delivered by the Purchaser, will constitute a valid and legally binding obligation of the Purchaser, enforceable in accordance with its terms, except as limited by applicable
bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance, and any other laws of general application affecting enforcement of creditors’ rights generally, and as limited by laws relating to the availability of a specific
performance, injunctive relief, or other equitable remedies. 

(b)        Purchase Entirely for Own Account. This Agreement is made
with the Purchaser in reliance upon the Purchaser’s representation to the Company, which by the Purchaser’s execution of this Agreement, the Purchaser hereby confirms, that the Securities to be acquired by the Purchaser will be acquired
for investment for the Purchaser’s own account, not as a nominee or agent, and not with a view to the resale or distribution of any part thereof, and that the Purchaser has no present intention of selling, granting any participation in, or
otherwise distributing the same. By executing this Agreement, the Purchaser further represents that the Purchaser does not presently have any contract, undertaking, agreement or arrangement with any person to sell, transfer or grant participations
to such person or to any third person, with respect to any of the Securities. The Purchaser has not been formed for the specific purpose of acquiring any of the Securities. 

(c)        Investment Experience; Knowledge; Investor Counsel. The
Purchaser has substantial experience in evaluating and investing in private placement transactions of securities in companies similar to the Company so that it is capable of evaluating the merits and risks of its investment in the Company and has
the capacity to protect its own interest. The Purchaser is aware of the Company’s business affairs and financial condition and has acquired sufficient information about the Company to reach an informed and knowledgeable decision to acquire the
Securities. The Purchaser acknowledges that it has had the opportunity to review the 

  
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Transaction Agreements and the exhibits thereto and the transactions contemplated by the Transaction Agreements with its own legal counsel and that the Purchaser is relying solely on such counsel
and not on any statements or representations of the Company or its agents for legal advice with respect to this investment or the transactions contemplated by the Transaction Agreements. 

(d)        Restricted Securities. The Purchaser understands that the
Securities have not been, and will not be, registered under the Securities Act of 1933, as amended (the “Securities Act”), by reason of a specific exemption from the registration provisions of the Securities Act which depends upon,
among other things, the bona fide nature of the investment intent and the accuracy of the Purchaser’s representations as expressed herein. The Purchaser understands that the Securities are “restricted securities” under applicable U.S.
federal and state securities laws and that, pursuant to these laws, the Purchaser must hold the Securities indefinitely unless they are registered with the Securities and Exchange Commission and qualified by state authorities, or an exemption from
such registration and qualification requirements is available. The Purchaser acknowledges that the Company has no obligation to register or qualify the Securities for resale. The Purchaser further acknowledges that if an exemption from registration
or qualification is available, it may be conditioned on various requirements including, but not limited to, the time and manner of sale, the holding period for the Securities, and on requirements relating to the Company which are outside of the
Purchaser’s control, and which the Company is under no obligation and may not be able to satisfy. 

(e)        No Public Market. The Purchaser understands that no public
market now exists for any of the Securities issued by the Company, that the Company has made no assurances that a public market will ever exist for the Securities. 

(f)        Legends. The Purchaser understands that the Securities may
bear one or all of the following legends (i) through (iv) and shall bear the following legend (v): 

(i)        “THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, TRANSFERRED, ASSIGNED OR HYPOTHECATED UNLESS THERE IS AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT COVERING SUCH SECURITIES, THE SALE IS MADE IN ACCORDANCE WITH RULE
144 UNDER THE ACT, OR THE COMPANY RECEIVES AN OPINION OF COUNSEL FOR THE HOLDER OF THESE SECURITIES REASONABLY SATISFACTORY TO THE COMPANY STATING THAT SUCH SALE, TRANSFER, ASSIGNMENT OR HYPOTHECATION IS EXEMPT FROM THE REGISTRATION AND PROSPECTUS
DELIVERY REQUIREMENTS OF SUCH ACT.” 
 (ii)        “THE SECURITIES
EVIDENCED BY THIS CERTIFICATE ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE, INCLUDING A MARKET STAND-OFF PERIOD OF UP TO 180 DAYS IN THE EVENT OF A PUBLIC OFFERING, AS SET FORTH IN A SHAREHOLDERS AGREEMENT A COPY OF WHICH MAY BE
OBTAINED AT THE PRINCIPAL OFFICE OF THE COMPANY.” 

  
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 (iii)        “THE SHARES EVIDENCED
HEREBY ARE SUBJECT TO A STOCKHOLDERS’ AGREEMENT (A COPY OF WHICH MAY BE OBTAINED FROM THE COMPANY). BY ACCEPTING ANY INTEREST IN SUCH SHARES THE PERSON ACCEPTING SUCH INTEREST SHALL BE DEEMED TO AGREE TO AND SHALL BECOME BOUND BY ALL THE
PROVISIONS OF SAID STOCKHOLDERS’ AGREEMENT.” 
 (iv)        Any legend
required by the Blue Sky laws of any state to the extent such laws are applicable to the shares represented by the certificate so legended. 

(v)        “THE INDEBTEDNESS AND SECURITIES EVIDENCED HEREBY ARE SUBORDINATED TO
THE INDEBTEDNESS AND OBLIGATIONS OWED BY THE COMPANY PURSUANT TO THAT CERTAIN LOAN AND SECURITY AGREEMENT DATED AS OF OCTOBER 26, 2011 BETWEEN SILICON VALLEY BANK AND THE COMPANY, AS AMENDED, MODIFIED, SUPPLEMENTED OR RESTATED FROM TIME TO TIME AND
OTHER INDEBTEDNESS AND OBLIGATIONS OWED BY THE COMPANY TO OTHER BANKS OR FINANCIAL INSTITUTIONS AS MAY BE APPROVED BY THE COMPANY’S BOARD OF DIRECTORS.” 

(g)        Further Assurances. Each Purchaser agrees and covenants that
at any time and from time to time it will promptly execute and deliver to the Company such further instruments and documents and take such further action as the Company may reasonably require in order to carry out the full intent and purpose of this
Agreement, to comply with state or federal securities laws or other regulatory approvals, and to become a party to any agreement reasonably requested by the Company related to (i) the subordination of the Notes to that certain Loan and Security
Agreement dated as of October 26, 2011 between Silicon Valley Bank and the Company, or any other banks or financial institutions to which the Company owes indebtedness as approved by the Company’s Board of Directors, or (ii) the
rights, preferences, privileges and obligations of any securities into which the Notes are converted. 

(h)        Accredited Investor. The Purchaser is an accredited investor
as defined in Rule 501(a) of Regulation D promulgated under the Securities Act. 

(i)        Tax Advisors. The Purchaser has reviewed with its own tax
advisors the U.S. federal, state, local and foreign tax consequences of this investment and the transactions contemplated by the Transaction Agreements. With respect to such matters, the Purchaser relies solely on such advisors and not on any
statements or representations of the Company or any of its agents, written or oral. The Purchaser understands that it (and not the Company) shall be responsible for its own tax liability that may arise as a result of this investment or the
transactions contemplated by the Transaction Agreements. 

5.        Conditions of the Purchasers’ Obligations at the Closing.
The obligations of each Purchaser to the Company under this Agreement are subject to the fulfillment, on or before the Closing, of each of the following conditions, unless otherwise waived: 

(a)        Representations and Warranties. The representations and
warranties of the Company contained in Section 3 shall be true on and as of the Closing with the same effect 

  
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as though such representations and warranties had been made on and as of the date of the Closing. 

(b)        Qualifications. All authorizations, approvals or permits, if
any, of any governmental authority or regulatory body of the United States or of any state that are required in connection with the lawful issuance and sale of the Securities pursuant to this Agreement shall be obtained and effective as of the
Closing. 
 6.        Conditions of the Company’s Obligations at the
Closing. The obligations of the Company to each Purchaser under this Agreement are subject to the fulfillment, on or before the Closing, of each of the following conditions, unless otherwise waived: 

(a)        Representations and Warranties. The representations and
warranties of each Purchaser contained in Section 4 shall be true on and as of the Closing with the same effect as though such representations and warranties had been made on and as of the Closing. 

(b)        Qualifications. All authorizations, approvals or permits, if
any, of any governmental authority or regulatory body of the United States or of any state that are required in connection with the lawful issuance and sale of the Securities pursuant to this Agreement shall be obtained and effective as of the
Closing. 
 7.        Consents and Waivers. 

(a)        Increase of Authorized Number of Shares. The Purchasers, in
their capacities as holders, in the aggregate, of at least a majority of the shares of the Company’s issued and outstanding Series A Convertible Preferred Stock (the “Series A Preferred Stock”) and Series B Convertible
Preferred Stock (the “Series B Preferred Stock”, and together with the Series A Preferred Stock, the “Preferred Stock”) hereby consent to any increase of the authorized number of shares of the Company’s common
stock or Preferred Stock as needed in connection with the conversion of the Notes pursuant to Section 5(b) of Paragraph 4(D) of the Restated Certificate. 

(b)        Preemptive Rights. The Purchasers, in their capacities as
holders, in the aggregate, of at least a majority of the shares of the Company’s issued and outstanding shares of Preferred Stock held by all Major Investors (as defined in the Amended and Restated Stockholders’ Agreement dated as of
December 21, 2012 by and between the Company and the parties listed thereto, as amended, supplemented, modified or restated from time to time (the “Stockholders’ Agreement”)) hereby waive on behalf of themselves and all
other holders of a preemptive right, in accordance with Section 3.4 of the Stockholders’ Agreement, the notice requirements and preemptive rights operations thereof with respect to the issuance of the Notes, and all securities issuable
upon conversion or exercise thereof. 
 (c)        Anti-Dilution
Protection. The Purchasers, in their capacities as holders, in the aggregate, of at least a majority of the shares of the Company’s issued and outstanding Preferred Stock hereby agree, for purposes of the anti-dilution adjustments
provision in Section 3(d) of Paragraph 4(D) of the Restated Certificate (the “Anti-Dilution Adjustment”), that the aggregate consideration received by the Company in connection with the issuance of securities upon conversion of
the Notes (the “Conversion Securities”) shall be calculated as though all of 

  
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such Conversion Securities had been purchased by the holders of the Notes at a price per share equal to one hundred percent (100%) of the issuance price per share of such Conversion
Securities, without regard to the discount as set forth in Section 2 of the Notes. For purposes of illustration, if the Notes are converted in a Series C Preferred Stock financing in which shares of Series C Preferred stock are sold at a
price equal to the Series B Preferred Stock price, the conversion of the Notes would trigger no Anti-Dilution Adjustment, despite the Notes converting at eighty percent (80%) of the price per share of the Series C Preferred Stock issued in the
financing. 
 8.        Miscellaneous. 

(a)        Successors and Assigns. The terms and conditions of this
Agreement shall inure to the benefit of and be binding upon the respective successors and assigns of the parties. Nothing in this Agreement, express or implied, is intended to confer upon any party other than the parties hereto or their respective
successors and assigns any rights, remedies, obligations, or liabilities under or by reason of this Agreement, except as expressly provided in this Agreement. 

(b)        Governing Law. This Agreement and all acts and transactions
pursuant hereto and the rights and obligations of the parties hereto shall be governed, construed and interpreted in accordance with the laws of the State of California, without giving effect to principles of conflicts of law. 

(c)        Counterparts. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original and all of which together shall constitute one instrument. 

(d)        Titles and Subtitles. The titles and subtitles used in this
Agreement are used for convenience only and are not to be considered in construing or interpreting this Agreement. 

(e)         Notices. Any notice required or permitted by this Agreement
shall be in writing and shall be deemed sufficient upon receipt, when delivered personally or by courier, overnight delivery service or confirmed facsimile or electronic mail, or forty-eight (48) hours after being deposited in the U.S. mail as
certified or registered mail with postage prepaid, if such notice is addressed to the party to be notified at such party’s address or facsimile number as set forth below or as subsequently modified by written notice. 

(f)        Fees and Expenses. Each party shall bear its own expenses,
including, but not limited to, finder’s fees and legal fees, that it incurs with respect to the Transaction Agreements and the transactions contemplated thereby except that at the Closing, the Company shall pay the reasonable expenses of the
Purchasers incurred in connection with the negotiation, execution, delivery and performance of this Agreement, not to exceed twenty thousand dollars ($20,000) in the aggregate. 

(g)        Amendments and Waivers. Any term of this Agreement may be
amended or waived only with the written consent of the Company and Purchasers holding at least a majority (50%) of the principal amount of the then-outstanding Notes. Any amendment 

  
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or waiver effected in accordance with this Section 8(g) shall be binding upon each Purchaser and each transferee of the Securities, each future holder of all such Securities, and the
Company. 
 (h)        Severability. If one or more provisions of
this Agreement are held to be unenforceable under applicable law, the parties agree to renegotiate such provision in good faith, in order to maintain the economic position enjoyed by each party as close as possible to that under the provision
rendered unenforceable. In the event that the parties cannot reach a mutually agreeable and enforceable replacement for such provision, then (i) such provision shall be excluded from this Agreement, (ii) the balance of the Agreement shall
be interpreted as if such provision were so excluded and (iii) the balance of the Agreement shall be enforceable in accordance with its terms. 

(i)        Entire Agreement. This Agreement, and the documents referred
to herein constitute the entire agreement between the parties hereto pertaining to the subject matter hereof, and any and all other written or oral agreements existing between the parties hereto are expressly canceled. 

(j)        Waiver of Conflicts. Each party to this Agreement
acknowledges that Ropes & Gray LLP (“Ropes & Gray”), outside general counsel to the Company, has in the past performed and is or may now or in the future represent one or more Purchasers or their affiliates in
matters unrelated to the transactions contemplated by the Transaction Agreements, including representation of such Purchasers or their affiliates in matters of a similar nature. The applicable rules of professional conduct require that
Ropes & Gray inform the parties hereunder of this representation and obtain their consent. Ropes & Gray has served as outside general counsel to the Company and has negotiated the terms of the Transaction Agreements solely on
behalf of the Company. The Company and each Purchaser hereby (a) acknowledge that they have had an opportunity to ask for and have obtained information relevant to such representation, including disclosure of the reasonably foreseeable adverse
consequences of such representation; (b) acknowledge that with respect to the Transaction Agreements, Ropes & Gray has represented solely the Company, and not any Purchaser or any stockholder, director or employee of the Company or any
Purchaser; and (c) gives its informed consent to Ropes & Gray’s representation of the Company in this transaction. 

(k)        Corporate Securities Law. THE SALE OF THE SECURITIES WHICH
ARE THE SUBJECT OF THIS AGREEMENT HAS NOT BEEN QUALIFIED WITH THE COMMISSIONER OF CORPORATIONS OF THE STATE OF CALIFORNIA AND THE ISSUANCE OF THE SECURITIES OR THE PAYMENT OR RECEIPT OF ANY PART OF THE CONSIDERATION THEREFOR PRIOR TO THE
QUALIFICATION IS UNLAWFUL, UNLESS THE SALE OF SECURITIES IS EXEMPT FROM THE QUALIFICATION BY SECTION 25100, 25102 OR 25105 OF THE CALIFORNIA CORPORATIONS CODE. THE RIGHTS OF ALL PARTIES TO THIS AGREEMENT ARE EXPRESSLY CONDITIONED UPON THE
QUALIFICATION BEING OBTAINED UNLESS THE SALE IS SO EXEMPT. 

(l)        Authorization of Series B Preferred Stock. To the
extent that any Notes remain outstanding as of June 30, 2015, the Company agrees to, at the election of and upon request by the Purchasers holding at least a majority (50%) of the principal amount of the then-outstanding Notes, promptly
use its best efforts to solicit approval by its Board of Directors and 

  
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stockholders and to take such other actions reasonably necessary to amend its Restated Charter (as may be amended or restated from time to time) to authorize sufficient shares of Series B
Preferred Stock to provide for the conversion of such Notes into shares of Series B Preferred Stock, pursuant to Section 2(a) of the Notes. 

[Signature Pages Follow] 

  
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 The parties have executed this Convertible Note Purchase Agreement as of the date
first written above. 
  

			
	 COMPANY:

	
	 CARBYLAN THERAPEUTICS, INC.

	
	By:   /s/ David
Renzi                                
	 Name:   David Renzi

	Title:     President & Chief Executive Officer
		
	 Address:
	 	 3181 Porter Drive

Palo Alto, CA 94304

 The parties have executed this Convertible Note Purchase Agreement as of the date
first written above. 
  

			
	PURCHASER:
	
	VIVO VENTURES FUND VI, L.P.
	
	By: Vivo Ventures VI, LLC, its General Partner
		
	By:	 	  /s/ Albert Cha                            
	Name:	 	Albert Cha, M.D., Ph.D.
	Title:	 	Managing Member
	
	VIVO VENTURES VI AFFILIATES FUND, L.P.
	
	By: Vivo Ventures VI, LLC, its General Partner
		
	By:	 	  /s/ Albert Cha                            
	Name:	 	Albert Cha, M.D., Ph.D.
	Title:	 	Managing Member

  
 ii 

 The parties have executed this Convertible Note Purchase Agreement as of the date
first written above. 
  

			
	PURCHASER:
	
	INTERWEST PARTNERS IX, LP
	
	By: InterWest Management Partners IX, LLC,
	its General Partner
		
	By:	 	     /s/ Gilbert H. Kliman

	Name:	 	Gilbert H. Kliman
	Title:	 	

  
 iii 

 The parties have executed this Convertible Note Purchase Agreement as of the date
first written above. 
  

			
	PURCHASER:
	
	ACP IV, L.P.
	
	By: ACMP IV, LLC, its General Partner
		
	By:	 	     /s/ Guy Paul Nohra

	Name:	 	Guy Paul Nohra
	Title:	 	

  
 iv 

 Exhibit A – Schedule of Purchasers 

Exhibit B – Form of Convertible Promissory Note 

  
 v 

 EXHIBIT A 

SCHEDULE OF PURCHASERS 

SEPTEMBER 29, 2014 
  

					
	 Purchaser
	  	Note Purchase Price	 
		
	 Vivo Ventures Fund VI, L.P.
	  	 	$1,513,688.51    	  
		
	 Vivo Ventures VI Affiliates Fund, L.P.
	  	 	$11,089.29    	  
		
	 InterWest Partners IX, L.P
	  	 	$1,819,567.91    	  
		
	 ACP IV, L.P.
	  	 	$1,655,654.29    	  
		
	 TOTALS:
	  	 	$5,000,000.00    	  

 EXHIBIT B 

FORM OF CONVERTIBLE PROMISSORY NOTE 

 THE INDEBTEDNESS AND SECURITIES EVIDENCED HEREBY ARE SUBORDINATED TO THE INDEBTEDNESS AND
OBLIGATIONS OWED BY THE COMPANY PURSUANT TO THAT CERTAIN LOAN AND SECURITY AGREEMENT DATED AS OF OCTOBER 26, 2011 BETWEEN SILICON VALLEY BANK AND THE COMPANY, AS AMENDED, MODIFIED, SUPPLEMENTED OR RESTATED FROM TIME TO TIME AND OTHER INDEBTEDNESS
AND OBLIGATIONS OWED BY THE COMPANY TO OTHER BANKS OR FINANCIAL INSTITUTIONS AS MAY BE APPROVED BY THE COMPANY’S BOARD OF DIRECTORS. 

THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD,
TRANSFERRED, ASSIGNED OR HYPOTHECATED UNLESS THERE IS AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT COVERING SUCH SECURITIES, THE SALE IS MADE IN ACCORDANCE WITH RULE 144 UNDER THE ACT, OR THE COMPANY RECEIVES AN OPINION OF COUNSEL FOR THE
HOLDER OF THESE SECURITIES REASONABLY SATISFACTORY TO THE COMPANY STATING THAT SUCH SALE, TRANSFER, ASSIGNMENT OR HYPOTHECATION IS EXEMPT FROM THE REGISTRATION AND PROSPECTUS DELIVERY REQUIREMENTS OF SUCH ACT. 

 

			
	$[                    ]	  	Date of Issuance: September 29, 2014

 CARBYLAN THERAPEUTICS, INC. 

CONVERTIBLE PROMISSORY NOTE 

For value received, Carbylan Therapeutics, Inc., a Delaware corporation (the “Company”), promises to pay to
[Holder] (the “Holder”), the principal sum of [                    ] Dollars
($[                    ]). Interest shall accrue from the date of this note on the unpaid principal amount at a rate equal to five percent
(5.00%) per annum, compounded annually. This note is one of a series of convertible promissory notes containing substantially identical terms and conditions issued pursuant to the Convertible Note Purchase Agreement dated September 29,
2014 (the “Agreement”). Such notes are referred to herein as the “Notes”, and the holders thereof are referred to herein as the “Holders”. This Note is subject to the following terms and conditions:

 1.        Maturity. Unless earlier converted as provided in
Section 2, this Note will automatically mature and the outstanding principal and any accrued interest on the Note shall be due and payable in cash and on demand by holders of at least a majority (50%) of the principal amount of the
then-outstanding Notes (the “Requisite Holders”), provided that such demand may not be made prior to December 31, 2015 and provided further that in no event shall the Company pay any principal or accrued interest under this
Note unless and until the Senior Indebtedness (as defined in Section 5 below) has been Paid in Full (as defined in Section 3 below). Notwithstanding the foregoing, the entire unpaid principal sum of this Note, together with accrued and
unpaid interest thereon, shall become immediately due and payable upon the commission of any act of bankruptcy or insolvency proceeding by the Company, the execution by the Company of a general assignment for the benefit of creditors, the filing by
or against the 

  
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Company of a petition in bankruptcy or any petition for relief under the federal bankruptcy act or the continuation of such petition without dismissal for a period of forty-five (45) days or
more, or the appointment of a receiver or trustee to take possession of the property or assets of the Company. 

2.        Conversion. 

(a)        Conversion upon a Qualified Equity Financing. In the event
the Company completes, while any amounts are outstanding under the Notes, either (a) an initial public offering, on a firm underwritten basis, of the Company’s common stock, or (b) the first equity financing of the Company following
September 30, 2014 that results in cash proceeds to the Company (excluding the conversion of the Notes) of at least ten million dollars ($10,000,000) (either (a) or (b), a “Qualified Equity Financing”), the Company shall
convert the entire principal amount of and accrued interest on this Note into shares of the Company’s common or preferred stock (the “Next Equity Securities”) issued and sold at the close of the Qualified Equity Financing. The
number of shares of Next Equity Securities to be issued upon such conversion shall be equal to the quotient obtained by dividing (i) the entire principal amount of this Note plus accrued interest by (ii) eighty percent (80%) of the
price per share of the Next Equity Securities, rounded down to the nearest whole share, and the issuance of such shares upon such conversion shall be upon the terms and subject to the conditions applicable to the Qualified Equity Financing. In the
event that the Company does not complete a Qualified Equity Financing on or before June 30, 2015, if the Requisite Holders thereafter elect to convert the Notes, rather than electing to have the Notes repaid in cash following the Maturity Date,
the conversion must be into shares of the Company’s Series B Convertible Preferred Stock (the “Series B Preferred Stock”) at a conversion price equal to the most recent price per share paid by investors for shares of Series B
Preferred Stock. 
 (b)        Mechanics and Effect of Conversion. No
fractional shares of the Company’s capital stock will be issued upon conversion of this Note. In lieu of any fractional share to which the Holder would otherwise be entitled, the Company will pay to the Holder in cash the amount of the
unconverted principal and interest balance of this Note that would otherwise be converted into such fractional share. Upon conversion of this Note pursuant to this Section 2, the Holder shall surrender this Note, duly endorsed, at the
principal offices of the Company or any transfer agent of the Company. At its expense, the Company will, as soon as practicable thereafter, issue and deliver to such Holder, at such principal office, a certificate or certificates for the number of
shares to which such Holder is entitled upon such conversion, together with any other securities and property to which the Holder is entitled upon such conversion under the terms of this Note, including a check payable to the Holder for any cash
amounts payable as described herein. Upon conversion of this Note, the Company will be forever released from all of its obligations and liabilities under this Note with regard to that portion of the principal amount and accrued interest being
converted, including without limitation the obligation to pay such portion of the principal amount and accrued interest. 

(c)        Valid Issuance of Securities upon Conversion. The securities
issued upon conversion of this Note shall be validly issued, fully paid and nonassessable and free of restrictions on transfer, other than restrictions on transfer under this Note and the Agreement or applicable federal and state securities laws.

  
 -5- 

 3.        Mandatory Redemption upon
Change of Control. In the event that a Change of Control (as defined below) occurs prior to the repayment of this Note or the conversion of this Note under Section 2 above, so long as the Senior Indebtedness is first Paid in Full (as
defined below), an amount equal to one hundred twenty percent (120%) of the outstanding principal amount, together with any accrued interest, of this Note shall be paid upon the closing of such Change of Control. 

The term “Change of Control” shall mean the sale, conveyance or other disposal of all or substantially all of
the Company’s property or business or the Company’s merger with or into or consolidation with any other corporation, limited liability company or other entity (other than a wholly-owned subsidiary of the Company), provided that none of the
following shall be considered a Change of Control: (i) a merger effected exclusively for the purpose of changing the domicile of the Company; (ii) an equity financing effected for capital raising purposes in which the Company is the
surviving corporation or (iii) a transaction in which the shareholders of the Company immediately prior to the transaction own fifty percent (50%) or more of the voting power of the surviving corporation following the transaction. 

The term “Paid in Full” shall mean, with respect to the Senior Indebtedness (as defined below), the date
(a) that is ninety-one (91) days after the full and indefeasible payment in cash and satisfaction in full of all of the obligations under that certain Loan and Security Agreement dated as of October 26, 2011 between Silicon Valley
Bank and the Company (as amended, supplemented, modified or restated from time to time, the “Senior Loan Agreement”) and other senior loan documents the Company may enter into with banks or other financial institutions as approved
by the Company’s Board of Directors (the “Other Senior Loan Documents”, together with the Senior Loan Agreement, the “Senior Loan Documents”) (other than inchoate indemnity obligations for which a claim has not
yet been made and any other obligations which, by their terms survive the termination of the Senior Loan Documents) or (b) upon which full and indefeasible payment in cash and satisfaction in full of all of the obligations under the Senior Loan
Documents (other than inchoate indemnity obligations for which a claim has not yet been made and any other obligations which, by their terms survive the termination of the Senior Loan Documents) has occurred, but only if such payment is being made
concurrently with a Change of Control, and, in the case of either (a) or (b), the termination of all obligations under the Senior Loan Documents (including, without limitation, any commitment to lend), and the termination of the Senior Loan
Documents 
 4.        Payment; Prepayment. All payments shall be made
in lawful money of the United States of America at such place as the Holder hereof may from time to time designate in writing to the Company. Payment shall be credited first to the accrued interest then due and payable and the remainder applied to
principal. This Note may not be pre-paid in whole or part without the approval of the Requisite Holders. 

5.        Subordinated and Unsecured Debt. The indebtedness evidenced by
this Note is subordinated in right of payment to the prior payment in full of any Senior Indebtedness (as defined below) now or hereinafter arising. The term “Senior Indebtedness” shall mean, unless expressly subordinated to or made
on parity with the amounts due under this Note, all amounts 

  
 -6- 

 
due in connection with (i) the Senior Loan Agreement, along with any other indebtedness of the Company to banks or other financial institutions engaged in the business of lending money,
(ii) any such indebtedness or any debentures, notes or other evidence of indebtedness issued in exchange for amounts due under (i) above, or any indebtedness arising from the satisfaction of amounts due under (i) above by a third
party guarantor, and (iii) any modifications, amendment, extension, renewal, refunding or refinancing of any of the indebtedness under (i) or (ii) above. The indebtedness evidenced by this Note shall rank pari passu with the
Company’s other unsecured indebtedness for borrowed money (other than Senior Indebtedness). By acceptance of this Note, the Holder agrees to execute such documents as are reasonably requested by the providers of Senior Indebtedness or the
Company to further evidence subordination of the obligations hereunder to such Senior Indebtedness (it being agreed that a request for a subordination agreement or agreement of similar nature evidencing subordination of the obligations hereunder is
reasonable). 
 6.        Transfer; Successors and Assigns. The terms
and conditions of this Note shall inure to the benefit of and be binding upon the respective successors and assigns of the parties. Notwithstanding the foregoing, the Holder may not assign, pledge, or otherwise transfer this Note without the prior
written consent of the Company, except for transfers to affiliates. Subject to the preceding sentence, this Note may be transferred only upon surrender of the original Note for registration of transfer, duly endorsed, or accompanied by a duly
executed written instrument of transfer in form satisfactory to the Company. Thereupon, a new note for the same principal amount and interest will be issued to, and registered in the name of, the transferee. Interest and principal are payable only
to the registered holder of this Note. 
 7.        Governing Law.
This Note and all acts and transactions pursuant hereto and the rights and obligations of the parties hereto shall be governed, construed and interpreted in accordance with the laws of the State of California, without giving effect to principles of
conflicts of law. 
 8.        Notices. Any notice required or
permitted by this Note shall be made pursuant to the notice provision of Section 8 of the Agreement. 

9.        Amendments and Waivers. Any term of this Note may be amended
only with the written consent of the Company and the Requisite Holders. Any amendment or waiver effected in accordance with this Section 9 shall be binding upon the Company, each Holder and each transferee of the Note. 

10.        Shareholders, Officers and Directors Not Liable. In no event
shall any shareholder, officer or director of the Company be liable for any amounts due or payable pursuant to this Note. 

11.        Counterparts. This Note may be executed in any number of
counterparts, each of which will be deemed to be an original and all of which together will constitute a single agreement. 

12.        Severability. If one or more provisions of this Note are held
to be unenforceable under applicable law, the parties agree to renegotiate such provision in good faith. In the event 

  
 -7- 

 
that the parties cannot reach a mutually agreeable and enforceable replacement for such provision, then (a) such provision shall be excluded from this Note; (b) the balance of this Note
shall be interpreted as if such provision were so excluded and (c) the balance of this Note shall be enforceable in accordance with its terms. 

[Signature Page Follows] 

  
 -8- 

 The Company has executed this Convertible Promissory Note as of the date first
written above. 
  

			
	 COMPANY:

	
	 CARBYLAN THERAPEUTICS, INC.

		
	 By:
	 	  

	 Name:
	 	         David Renzi

	 Title:
	 	         President and

		 	         Chief Executive OfficerEX-10.1

 Exhibit 10.1 

EXECUTION VERSION 
 THE
SECURITIES OFFERED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE AND ARE BEING OFFERED AND SOLD IN RELIANCE UPON EXEMPTIONS FROM THE
REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. THE SECURITIES PURCHASED HEREUNDER MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE SECURITIES ACT AND OTHER APPLICABLE LAWS PURSUANT TO REGISTRATION OR EXEMPTION FROM REGISTRATION
REQUIREMENTS THEREUNDER. 
 SECURITIES PURCHASE AGREEMENT 

This Securities Purchase Agreement (the “Agreement”) is entered into as of December 27, 2014 by and between Eclipse
Resources Corporation, a Delaware corporation (the “Company”), and each of the purchasers, severally and not jointly, listed on Annex A hereto (collectively, the “Purchasers” and each, a
“Purchaser”). 
 BACKGROUND 

The Company desires to sell, and each Purchaser desires to purchase, shares of the Company’s common stock, par value $0.01 per share (the
“Common Stock”), on the terms and subject to the conditions contained herein. 
 The issuance of the shares of Common Stock
hereunder is being made in a private placement, without registration under the Securities Act or any other applicable securities Laws (as defined below), in reliance on one or more exemptions from registration and other requirements thereunder. 

In accordance with the rules of the New York Stock Exchange (the “NYSE”), this Agreement and the transactions contemplated
hereby, including the issuance of the shares of Common Stock to each Purchaser hereunder, has been approved by the written consent of the holders of at least a majority of the outstanding shares of Common Stock (such approval, the “Company
Stockholder Approval”). 
 Therefore, in consideration of the foregoing, and the representations, warranties, covenants and
conditions set forth below, the parties hereto, intending to be legally bound, hereby agree as follows: 
 1. Purchase and Sale of Common Stock. 

1.1 Sale and Issuance of Common Stock. Subject to the terms and conditions of this Agreement, each Purchaser agrees, severally and not
jointly, to purchase at the Closing (as defined below), and the Company agrees to sell and issue to the several Purchasers at the Closing, that number of shares of Common Stock set forth opposite such Purchaser’s name on Annex A hereto,
at a purchase price of $7.04 per share. The shares of Common Stock to be issued and sold by the Company to the Purchasers pursuant to this Agreement are collectively referred to herein as the “Shares.” 

 1.2 Closing. The consummation of the purchase and sale of the Shares and other
transactions contemplated hereby (the “Closing”) shall take place at the offices of Fulbright & Jaworski LLP (a member of Norton Rose Fulbright), 2200 Ross Avenue, Suite 2800, Dallas, Texas 75201, at 9:00 a.m. Dallas time,
as promptly as practicable (but no more than two business days) following the first date on which all conditions set forth in Section 5 and Section 6 hereof have been satisfied or waived (other than those conditions that by
their nature are to be satisfied by actions taken at the Closing), or at such other time and place as the Company and the Purchasers shall mutually agree (the date that the Closing occurs, the “Closing Date”). At the Closing, the
Company shall deliver to each Purchaser a certificate or certificates (or, if requested by such Purchaser, a book-entry confirmation by the Company’s transfer agent) representing that number of Shares set forth opposite such Purchaser’s
name on Annex A hereto against payment of the purchase price therefor by such Purchaser to the Company by wire transfer of immediately available funds to one or more accounts designated by the Company. At the Closing, each Purchaser and the
Company shall execute and deliver the Amended and Restated Registration Rights Agreement between the Company and each Purchaser, the form of which is attached hereto as Annex B (the “Registration Rights Agreement”). 

2. Representations and Warranties of the Company. The Company represents and warrants to each Purchaser as of the date hereof and as of the Closing
Date that, except as otherwise disclosed in the Company’s Registration Statement on Form S-1, as amended (File No. 333-195679), including the prospectus constituting a part thereof dated June 19, 2014 and filed with the Securities and
Exchange Commission (the “SEC”) pursuant to Rule 424(b) under the Securities Act on June 23, 2014 or its other reports and forms filed with or furnished to the SEC under Sections 12, 13, 14 or 15(d) of the Securities Exchange
Act of 1934, as amended (the “Exchange Act”), after June 19, 2014 and before the date of this Agreement (collectively, all such reports, the “SEC Reports”) (certain capitalized terms used but not otherwise
defined in this Agreement have the respective meanings set forth in Section 9.13 hereof): 
 2.1 Organization, Good Standing
and Qualification. Each of the Company and its Subsidiaries is duly incorporated or organized (as applicable), validly existing, and in good standing under the Laws of the state of its incorporation or organization (as applicable); has all
corporate, partnership or limited liability company (as applicable) power and authority to own its properties and conduct its business as presently conducted; and is duly qualified to do business and in good standing in each state in the United
States of America where its business requires such qualification, except where failure to qualify would not, individually or in the aggregate, reasonably be expected to have a Company Material Adverse Effect. 

2.2 Authorization; Enforceability. The Company has all necessary power and authority to execute, deliver, and perform under this
Agreement and the Registration Rights Agreement. All corporate action by and on behalf of the Company necessary for the authorization, execution, and delivery of this Agreement and the Registration Rights Agreement, the performance of all
obligations of the Company hereunder and thereunder, and the authorization, issuance, sale, and delivery of the Shares to each Purchaser hereunder has been taken, except for the delivery of notice to the Company’s stockholders pursuant to
Section 228(e) of the Delaware General Corporation Law (the “DGCL”) and Schedule 14C promulgated under the Exchange Act, and the passage of applicable time periods under Rule 14c-2 promulgated under the Exchange Act. This
Agreement and the Registration Rights Agreement, when 

  
 - 2 - 

 
executed and delivered by the Company, assuming due authorization, execution, and delivery by each Purchaser, constitutes and will constitute valid and legally binding obligations of the Company,
enforceable against the Company in accordance with their respective terms, subject to: (i) Laws limiting the availability of specific performance, injunctive relief, and other equitable remedies; (ii) bankruptcy, insolvency,
reorganization, moratorium, or other similar Laws now or hereafter in effect generally relating to or affecting creditors’ rights generally; and (iii) limitations on the enforceability of indemnification provisions contained in the
Registration Rights Agreement (collectively, the “Enforceability Exceptions”). This Agreement and the transactions contemplated hereby, including the issuance of the Shares to each Purchaser hereunder, has been approved by the
written consent of the holders of at least a majority of the outstanding shares of Common Stock, and a true and complete copy of such written consent is attached hereto as Annex C. 

2.3 Financial Statements. 

(a) The financial statements of the Company and its Subsidiaries on a consolidated basis included in the SEC Reports fairly
present in all material respects, in accordance with generally accepted accounting principles in the United States of America (“GAAP”), the financial condition and the results of operations of the Company and its Subsidiaries as of
the dates and for the periods indicated (subject, in the case of unaudited quarterly statements, to normal year-end adjustments). 

(b) The Company and its Subsidiaries do not have any liabilities or obligations that would be required under GAAP, as in effect
on the date of this Agreement, to be reflected on a consolidated balance sheet of the Company, other than liabilities or obligations (i) reflected on, reserved against, or disclosed in the notes to the Company’s consolidated balance sheet
included in the Company’s Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2014 (the “Balance Sheet Date”); or (ii) that were incurred in the ordinary course of business since the Balance Sheet
Date and would not, individually or in the aggregate, reasonably be expected to have a Company Material Adverse Effect. 
 2.4
Indebtedness. Neither the Company nor any of its Subsidiaries is in default in the payment of any Indebtedness or in default under any agreement relating to its Indebtedness or under any mortgage, deed of trust, security agreement, or lease
to which it is a party, other than defaults that would not, individually or in the aggregate, reasonably be expected to have a Company Material Adverse Effect. 

2.5 Litigation. There is no action, suit, proceeding, or investigation pending or, to the Knowledge of the Company, overtly threatened
against, nor any outstanding judgment, order, or decree against, the Company or any of its Subsidiaries before or by any Governmental Authority or arbitral body which in the aggregate have, or if adversely determined, would reasonably be expected to
have, a Company Material Adverse Effect. 
 2.6 Title. Each of the Company and its Subsidiaries has good and marketable title to its
properties that are real property and good and valid title to all of its other properties (other than negligible assets that are immaterial to the operations of the Company or any of its Subsidiaries), free and clear of all Liens, except
(i) for Permitted Liens; and (ii) as would not, individually or in the aggregate, reasonably be expected to have a Company Material Adverse Effect. 

  
 - 3 - 

 2.7 Taxes. Each of the Company and its Subsidiaries has filed all material tax returns
required to have been filed and paid all material taxes shown thereon to be due, except for those for which extensions have been obtained and which are being contested in good faith by appropriate proceedings and in respect of which adequate
reserves are maintained by the Company and its Subsidiaries in accordance with GAAP. 
 2.8 Governmental Consents. No consent,
approval, order, or authorization of, or registration, qualification, declaration, or filing with, any Governmental Authority on the part of the Company is required in connection with the offer, sale, or issuance of the Shares to each Purchaser
hereunder or the consummation of the transactions contemplated hereby, except for the following: (i) the compliance with other applicable state securities Laws, which compliance will have occurred within the appropriate time periods therefor;
(ii) the Company Stockholder Approval; (iii) the approval for listing on the NYSE of the Shares; and (iv) the filing with the SEC of such reports under the Exchange Act and/or the Securities Act as may be required in connection with
this Agreement and the transactions contemplated by this Agreement, including the Information Statement. Assuming that the representations of each Purchaser set forth in Section 3 hereof are true and correct, the offer, sale, and
issuance of the Shares in conformity with the terms of this Agreement are exempt from the registration requirements of Section 5 of the Securities Act, and all applicable state securities Laws. 

2.9 Permits and Licenses. The Company and each of its Subsidiaries possess all permits, certificates, licenses and other authorizations
of Governmental Authorities that are required to conduct its business, except for such permits, certificates, licenses or other authorizations the absence of which would not, individually or in the aggregate, reasonably be expected to have a Company
Material Adverse Effect. 
 2.10 Valid Issuance of Common Stock. The Shares being purchased by each Purchaser hereunder, when issued,
sold, and delivered in accordance with the terms of this Agreement for the consideration expressed herein, will be duly and validly issued, fully paid, and nonassessable, and will be free of restrictions on transfer other than restrictions under
applicable state and federal securities Laws. 
 2.11 Capitalization. The authorized capital stock of the Company consists of
1,000,000,000 shares of Common Stock, of which 160,031,115 were issued and outstanding as of December 26, 2014 (excluding the Shares to be issued pursuant to this Agreement), and 50,000,000 shares of preferred stock, par value $0.01 per share,
none of which are issued and outstanding. As of the close of business of December 26, 2014, the Company has reserved an aggregate of 16,000,000 shares of Common Stock for issuance pursuant to the Company’s 2014 Long-Term Incentive Plan,
under which (i) 31,115 shares have been issued and are reflected in the currently outstanding Common Stock; and (ii) 15,968,885 shares remain available for future grant. All issued and outstanding shares of Common Stock have been duly
authorized and validly issued and are fully paid and nonassessable. Other than as provided in this Agreement and the Registration Rights Agreement, dated as of June 25, 2014, among the Company and the other parties thereto (which is being
amended and restated at the Closing), there are no other 

  
 - 4 - 

 
outstanding rights, options, warrants, preemptive rights, rights of first offer, or similar rights for the purchase or acquisition from the Company of any securities of the Company, nor are there
any commitments from the Company to issue or execute any such rights, options, warrants, preemptive rights, or rights of first offer. There are no outstanding rights or obligations of the Company to repurchase or redeem any of its securities. 

2.12 Investment Company Act. Neither the Company nor any of its Subsidiaries is an investment company within the meaning of the
Investment Company Act of 1940, as amended, or, directly or indirectly, controlled by or acting on behalf of any Person which is an investment company, within the meaning of such act. 

2.13 No Default of Violation. The Company is not in violation or default of any provision of its Amended and Restated Certificate of
Incorporation (the “Charter”) or its Amended and Restated Bylaws (the “Bylaws”). The execution, delivery, and performance of this Agreement and the Registration Rights Agreement by the Company and the issuance and
sale of the Shares will not (i) result in any default or violation of the Charter or Bylaws; (ii) result in any default or violation of any agreement relating to the Indebtedness of the Company or its Subsidiaries or under any mortgage,
deed of trust, security agreement, or lease to which the Company or its Subsidiaries is a party or in any default or violation of any judgment, order, or decree of any Governmental Authority; or (iii) be in conflict with or constitute, with or
without the passage of time or giving of notice, a default under any such provision, require any consent or waiver under any such provision, or result in the creation of any Lien upon any of the properties or assets of the Company or its
Subsidiaries pursuant to any such provision; except in the case of (ii) and (iii) above, as would not, individually or in the aggregate, reasonably be expected to have a Company Material Adverse Effect. 

2.14 Compliance with Laws. Neither the Company nor any of its Subsidiaries is in violation of any applicable federal, state, local,
foreign, or other law, statute, regulation, rule, ordinance, code, convention, directive, order, judgment, or other legal requirement (collectively, “Laws”) of any Governmental Authority, except as would not, individually or in the
aggregate, reasonably be expected to have a Company Material Adverse Effect. To the Knowledge of the Company, neither the Company nor any of its Subsidiaries is being investigated with respect to, or been overtly threatened to be charged with or
given notice of any violation of, any applicable Law, except as would not, individually or in the aggregate, reasonably be expected to have a Company Material Adverse Effect. 

2.15 No Company Material Adverse Effect. Since June 25, 2014, no event or circumstance has occurred that, individually or in the
aggregate, has had or would reasonably be expected to have a Company Material Adverse Effect. 
 2.16 SEC Reports. 

(a) Since June 19, 2014, the Company has timely filed all documents required to be filed with the SEC pursuant to Sections
13(a), 14(a) or 15(d) of the Exchange Act. 
 (b) The SEC Reports, when they became effective or were filed with the SEC, as
the case may be, complied as to form in all material respects with the requirements of the Securities Act or the Exchange Act, as applicable, and the rules and regulations of the 

  
 - 5 - 

 
SEC thereunder, in each case as in effect at such time, and none of such documents contained an untrue statement of a material fact or omitted to state a material fact required to be stated
therein or necessary to make such statements, in the light of the circumstances in which they were made, not misleading. 

(c) The Company (i) has implemented and maintains disclosure controls and procedures (as defined in Rule 13a-15(e) under
the Exchange Act) that are reasonably designed to ensure that material information relating to the Company, including its consolidated Subsidiaries, is made known to the individuals responsible for the preparation of the Company’s filings with
the SEC and other public disclosure documents. 
 2.17 No Restricted Payments. No Subsidiary of the Company is currently prohibited,
directly or indirectly, from paying any dividends to the Company, from making any other distribution on such Subsidiary’s capital stock, from repaying to the Company any loans or advances to such Subsidiary from the Company or from transferring
any of such Subsidiary’s property or assets to the Company or any other Subsidiary of the Company, except for those prohibitions under (i) the Indenture, dated as of June 26, 2013, as amended and as may be further amended from time to
time, by and among the Company and each of the Subsidiary guarantors party thereto and Deutsche Bank Trust Company Americas, as trustee, relating to the 12.0% Senior Unsecured PIK Notes due 2018, and (ii) the Credit Agreement, dated as of
February 18, 2014, as amended and as may be further amended from time to time, by and among Eclipse Resources I, LP, Bank of Montreal, as administrative agent, and each of the lenders party thereto. 

2.18 No Price Stabilization or Manipulation. The Company has not taken, directly or indirectly, any action designed to or that would
constitute or that might reasonably be expected to cause or result in, under the Exchange Act or otherwise, stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Shares. 

2.19 FCPA. Neither the Company nor any of its Subsidiaries nor any director, officer or controlled Affiliate of the Company or any of
its Subsidiaries nor, to the Knowledge of the Company, any agent or employee of the Company or any of its Subsidiaries nor, to the Knowledge of the Company, any Affiliate of the Company or any of its Subsidiaries that is not controlled by or under
common control with the Company or any of its Subsidiaries, is aware of, has taken or will take any action, directly or indirectly, that would result in a violation by such Persons of the Foreign Corrupt Practices Act of 1977, as amended, and the
rules and regulations thereunder (the “FCPA”), including, without limitation, making use of the mails or any means or instrumentality of interstate commerce corruptly in furtherance of an offer, payment, promise to pay or
authorization of the payment of any money, or other property, gift, promise to give, or authorization of the giving of anything of value to any “foreign official” (as such term is defined in the FCPA) or any foreign political party or
official thereof or any candidate for foreign political office, in contravention of the FCPA; and the Company, its Subsidiaries and its controlled Affiliates have conducted their businesses in compliance with the FCPA and have instituted and
maintain policies and procedures designed to ensure, and which are reasonably expected to continue to ensure, continued compliance therewith and with the representation and warranty contained herein. 

  
 - 6 - 

 2.20 Compliance with Money Laundering Laws. The operations of the Company and its
Subsidiaries are and have been conducted at all times in compliance with applicable financial recordkeeping and reporting requirements and the money laundering statutes and the rules and regulations thereunder and any related or similar rules,
regulations or guidelines, issued, administered or enforced by any governmental agency (collectively, the “Money Laundering Laws”) and no action, suit or proceeding by or before any court or governmental agency, authority or body or
any arbitrator involving the Company or any of its Subsidiaries with respect to the Money Laundering Laws is pending or, to the Knowledge of the Company, threatened. 

2.21 OFAC. Neither the Company nor any of its Subsidiaries nor any director, officer, agent, employee or Affiliate of the Company or
any of its Subsidiaries (i) is currently subject to any sanctions administered imposed by the United States (including any administered or enforced by the Office of Foreign Assets Control of the U.S. Treasury Department
(“OFAC”) or (ii) will, directly or indirectly, use the proceeds from the issuance of the Shares, or lend, contribute or otherwise make available such proceeds to any Subsidiary, joint venture partner or other Person in any
manner that will result in a violation of any economic sanctions imposed by the United States (including any administered or enforced by OFAC, the U.S. Department of State, or the Bureau of Industry and Security of the U.S. Department of Commerce),
the United Nations Security Council, the European Union, or the United Kingdom (including sanctions administered or controlled by Her Majesty’s Treasury) by, or could result in the imposition of Sanctions against, any Person (including any
Person participating in the transactions contemplated by this Agreement, whether as placement agent, advisor, investor or otherwise). 

2.22 No Brokers’ Fees. No broker, investment banker, financial advisor or other Person, other than KeyBanc Capital Markets Inc.
and RBC Capital Markets, LLC, in each case, the fees of which will be paid by the Company, is entitled to any broker’s, finder’s, financial advisor’s, or other similar fee or commission in connection with the transactions contemplated
by this Agreement. 
 3. Representations and Warranties of Each Purchaser. Each Purchaser represents and warrants, severally and not jointly, to the
Company as of the date hereof and as of the Closing Date that: 
 3.1 Private Placement. 

(a) The Shares to be acquired by such Purchaser hereunder will be acquired for such Purchaser’s own account and not with a
view to the resale or distribution of any part thereof. Such Purchaser is an “accredited investor” within the meaning of Rule 501 of Regulation D promulgated under the Securities Act. Such Purchaser is aware that (i) the offer and
sale of the Shares to it have not been, and, except as contemplated by the Registration Rights Agreement, will not be, registered under the Securities Act or any state securities Laws and are being offered and sold in reliance upon exemptions from
the registration requirements of the Securities Act; and (ii) the Shares purchased hereunder may not be transferred or resold except as permitted under the Securities Act and applicable state securities Laws pursuant to registration or
exemption from registration requirements thereunder; provided, however, that by making such representations herein, such Purchaser does not agree to hold any of the Shares for any minimum or other specific term and reserves the right
to dispose of the Shares at any time in accordance with or pursuant to a registration statement or an exemption under the Securities Act. 

  
 - 7 - 

 (b) Such Purchaser understands that, unless sold pursuant to a registration
statement that has been declared effective under the Securities Act or in compliance with Rule 144 thereunder, the certificates evidencing the Shares will bear a legend or other restriction substantially to the following effect (it being agreed that
if the Shares are not certificated, other appropriate restrictions shall be implemented or notated to give effect to the following): 

“THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE
“SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE AND WERE OFFERED AND SOLD IN RELIANCE UPON EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. THE SECURITIES MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS
PERMITTED UNDER THE SECURITIES ACT AND OTHER APPLICABLE LAWS PURSUANT TO REGISTRATION OR EXEMPTION FROM REGISTRATION REQUIREMENTS THEREUNDER.” 

(c) Such Purchaser (i) has such knowledge and experience in financial and business matters as to be capable of evaluating
the merits and risks of its prospective investment in the Shares; and (ii) has the ability to bear the economic risks of its prospective investment and can afford the complete loss of such investment. 

(d) Such Purchaser (i) has conducted its own investigation of the Company and the Shares; (ii) has had access to the
Company’s public filings with the SEC and to such financial and other information as it deems necessary in connection with its decision to purchase the Shares; and (iii) has been offered the opportunity to conduct such review and analysis
of the business, assets, condition, operations, and prospects of the Company and its Subsidiaries and to ask questions of the Company and received answers thereto, each as it deems necessary in connection with its decision to purchase the Shares.
Each Purchaser further acknowledges that it has had the opportunity to consult with its own counsel, financial, tax, and other professional advisers as it believes is sufficient for purposes of its purchase of the Shares. The foregoing, however,
does not limit or modify the representations and warranties of the Company in Section 2 hereof or the right of each Purchaser to rely thereon. 

(e) Such Purchaser understands that the Company will rely upon the truth and accuracy of the foregoing representations,
acknowledgements, and agreements. 
 (f) Except for the representations and warranties contained in Section 2
hereof, each Purchaser acknowledges that neither the Company nor any Person on behalf of the Company makes, and such Purchaser has not relied upon, any other express or implied representation or warranty with respect to the Company or any of its
Subsidiaries or with respect to any other information provided to such Purchaser in connection with the transactions contemplated by this Agreement. 

  
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 3.2 Organization and Good Standing. Such Purchaser is duly incorporated or organized (as
applicable), validly existing, and in good standing under the Laws of the state of its incorporation or organization (as applicable). 
 3.3
Authorization; Enforceability. Such Purchaser has all necessary power and authority to execute, deliver, and perform under this Agreement and the Registration Rights Agreement. All action by and on behalf of such Purchaser necessary for the
authorization, execution, and delivery of this Agreement and the Registration Rights Agreement and the performance of all obligations of such Purchaser hereunder and thereunder has been taken. This Agreement and the Registration Rights Agreement,
when executed and delivered by such Purchaser, assuming due authorization, execution and delivery by the Company, constitutes and will constitute a valid and legally binding obligation of such Purchaser, enforceable against such Purchaser in
accordance with their respective terms, subject to the Enforceability Exceptions. 
 3.4 Financial Capability. Such Purchaser
currently has, or at Closing will have, available funds necessary to purchase the Shares at Closing on the terms and conditions contemplated by this Agreement. 

4. Covenants. The Company and each Purchaser hereby covenant and agree, for the benefit of each other, as follows: 

4.1 Negative Covenants Prior to Closing. From the date of this Agreement through the Closing, the Company shall not: 

(a) declare, or make payment in respect of, any dividend or other distribution upon any shares of capital stock of the Company;

 (b) redeem, repurchase or acquire any capital stock of the Company or any of its Subsidiaries; 

(c) amend the Company’s Charter or Bylaws; or 

(d) authorize, issue, or reclassify any capital stock, or debt securities convertible into capital stock, of the Company (other
than the authorization and issuance of the Shares, in accordance with this Agreement). 
 4.2 NYSE Listing of Shares. To the extent
it has not already done so, promptly following execution of this Agreement the Company shall apply to cause the Shares to be approved for listing on the NYSE, subject to official notice of issuance. 

4.3 State Securities Laws. The Company shall use all commercially reasonable efforts to (i) obtain all necessary permits and
qualifications, if any, or secure an exemption therefrom, required by any state in the United States of America prior to the offer and sale of the Shares; and (ii) cause such authorization, approval, permit or qualification to be effective as
of the Closing. 
 4.4 Non-Public Information. No later than 9:30 AM New York time on the first day following the execution and
delivery of this Agreement that the NYSE is open for ordinary trading, the Company shall make public disclosure, in the form of a press release, public announcement or otherwise, of all material, non-public information provided to any Purchaser
prior to the date hereof. 

  
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 4.5 Information Statement. As soon as practicable, and no later than five days following
the execution and delivery of this Agreement by the parties hereto, the Company shall prepare and file with the SEC, in preliminary form, an information statement of the type contemplated by Rule 14c-2 promulgated under the Exchange Act related to
this Agreement and the issuance of the Shares pursuant hereto (such information statement, including any amendment or supplement thereto, the “Information Statement”). The Company and each Purchaser will cooperate with each other in
the preparation of the Information Statement. Without limiting the generality of the foregoing, each Purchaser will furnish to the Company the information relating to it required by the Exchange Act and the rules and regulations promulgated
thereunder to be set forth in the Information Statement. The Company shall use all commercially reasonable efforts to resolve all SEC comments with respect to the Information Statement as promptly as reasonably practicable after receipt thereof and
to have the Information Statement cleared by the Staff of the SEC as promptly as reasonably practicable after such filing. If at any time any information relating to the Company or any Purchaser, or any of their respective Affiliates, should be
discovered by the Company or such Purchaser that should be set forth in an amendment or supplement to the Information Statement so that the Information Statement shall not contain any untrue statement of a material fact or omit to state any material
fact required to be stated therein or necessary in order to make the statements therein, in light of the circumstances under which they are made, not misleading, the party that discovers such information shall promptly notify the other parties, and
an appropriate amendment or supplement describing such information shall be promptly filed with the SEC and, to the extent required by Law, disseminated to the stockholders of the Company entitled to notice thereof. Promptly after the Information
Statement has been cleared by the SEC, in accordance with Rule 14c-2 promulgated under the Exchange Act and Section 228(e) of the DGCL, the Company shall promptly file the Information Statement with the SEC in definitive form, substantially in
the form previously cleared or filed with the SEC, as the case may be, and mail a copy of the Information Statement to its stockholders that are entitled to notice thereof. 

4.6 Securities Law Disclosure; Publicity. No public release or announcement concerning this Agreement or the transactions contemplated
hereby shall be issued by the Company or any Purchaser without the prior consent of the Company (in the case of a release or announcement by a Purchaser) or the Purchasers (in the case of a release or announcement by the Company) (which consents
shall not be unreasonably withheld, conditioned, or delayed), except for any such release or announcement as may be required by Law or the applicable rules or regulations of any securities exchange or securities market, including the Information
Statement, in which case the Company or the Purchasers, as the case may be, shall allow the Purchasers or the Company, as applicable, to the extent reasonably practicable under the circumstances, reasonable time to comment on such release or
announcement in advance of such issuance. 
 4.7 Further Assurances. Each party agrees to take, or cause to be taken, all actions,
and to do, or cause to be done, all things reasonably necessary, proper, or advisable to obtain satisfaction of the conditions precedent to the other parties to the consummation of the transactions contemplated by this Agreement. 

  
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 5. Conditions to Each Purchaser’s Obligations at Closing. The several obligations of each Purchaser
to purchase the Shares from the Company and to consummate the transactions contemplated by this Agreement are subject to the fulfillment on or before the Closing of each of the following conditions; provided, that each Purchaser shall only be
entitled to waive conditions with respect to such Purchaser’s obligations: 
 5.1 Representations and Warranties. The
representations and warranties of the Company contained in Section 2 hereof shall be true and correct on and as of the Closing Date as if such representations and warranties were made as of such date, except for such representations and
warranties made as of a specific date, which shall be true and correct only as of such date, and in each case, except where the failure of such representations and warranties to be so true and correct (without giving effect to any qualification and
limitation as to “materiality” or “material adverse effect” set forth therein) would not, individually or in the aggregate, reasonably be expected to have a Company Material Adverse Effect. 

5.2 Performance. The Company shall have performed and complied in all material respects with all agreements, obligations, and
conditions contained in this Agreement that are required to be performed or complied with by it on or before the Closing. 
 5.3
Compliance Certificate. The Chief Executive Officer or Chief Financial Officer of the Company shall deliver to such Purchaser at the Closing a certificate stating that the conditions specified in Section 5.1 and
Section 5.2 hereof have been fulfilled. 
 5.4 Listing of Shares. The Shares shall have been approved for listing on the
NYSE, subject to official notice of issuance. 
 5.5 Delivery of Information Statement. The Information Statement shall have been
cleared by the SEC and shall have been sent to the stockholders of the Company entitled to notice thereof (in accordance with Regulation 14C of the Exchange Act) at least 20 days prior to the Closing Date. 

5.6 Registration Rights Agreement. The Company and such Purchaser shall have entered into the Registration Rights Agreement. 

5.7 No Legal Restraint. No Law, judgment, injunction, order, ruling, or decree shall have been enacted, promulgated, entered, or
enforced by Governmental Authority which would prohibit the consummation of the transactions contemplated by this Agreement, and there shall be no legal proceeding or action pending or threatened by any Governmental Authority that seeks to enact,
issue, promulgate, enforce, or enter into any such Law, judgment, injunction, order, ruling, or decree or that seeks to enjoin or prohibit the consummation of the transactions contemplated hereby. 

5.8 Opinion of Company’s Counsel. Each Purchaser shall have received an opinion from Fulbright & Jaworski LLP (a member
of Norton Rose Fulbright), counsel for the Company, dated the Closing Date, in form and substance reasonably acceptable to such Purchaser and customary for transactions of this nature. 

  
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 5.9 Closing by Affiliated Purchasers. For each Purchaser, other than the Affiliated
Purchasers, it shall be a condition to such Purchaser’s obligation to purchase its respective Shares from the Company and to consummate the transactions contemplated by this Agreement that the Affiliated Purchasers shall have simultaneously
purchased and paid for their respective Shares at the Closing. 
 6. Conditions of the Company’s Obligations at Closing. The obligations of the
Company to sell the Shares to the several Purchasers and to consummate the transactions contemplated by this Agreement are subject to the fulfillment on or before the Closing of each of the following conditions: 

6.1 Representations and Warranties. The representations and warranties of such Purchaser contained in Section 3 hereof
shall be true and correct on and as of the Closing Date as if such representations and warranties were made as of such date, except for such representations and warranties made as of a specific date, which shall be true and correct only as of such
date, and in each case, except where the failure of such representations and warranties to be so true and correct (without giving effect to any qualification and limitation as to “materiality” or “material adverse effect” set
forth therein) would not, individually or in the aggregate, reasonably be expected to prevent or materially impair or materially delay the ability of such Purchaser to consummate the transactions contemplated by this Agreement. 

6.2 Performance. Such Purchaser shall have performed and complied in all material respects with all agreements, obligations, and
conditions contained in this Agreement that are required to be performed or complied with by them on or before the Closing. 
 6.3
Compliance Certificate. An authorized officer of such Purchaser shall deliver to the Company at the Closing a certificate stating that the conditions specified in Section 6.1 and Section 6.2 hereof have been fulfilled.

 6.4 Delivery of Information Statement. The Information Statement shall have been cleared by the SEC and shall have been sent to
the stockholders of the Company entitled to notice thereof (in accordance with Regulation 14C of the Exchange Act) at least 20 days prior to the Closing Date. 

6.5 Registration Rights Agreement. The Company and each Purchaser shall have entered into the Registration Rights Agreement. 

6.6 No Legal Restraint. No Law, judgment, injunction, order, ruling, or decree shall have been enacted, promulgated, entered, or
enforced by any Governmental Authority which would prohibit the consummation of the transactions contemplated by this Agreement, and there shall be no legal proceeding or action pending or threatened by any Governmental Authority that seeks to
enact, issue, promulgate, enforce, or enter into any such Law, judgment, injunction, order, ruling, or decree or that seeks to enjoin or prohibit the consummation of the transactions contemplated hereby. 

6.7 Closing by Affiliated Purchasers. It shall be a condition to the Company’s obligation to sell the Shares to each Purchaser,
other than the Affiliated Purchasers, that the Affiliated Purchasers shall have simultaneously purchased and paid for their respective Shares at the Closing. 

  
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 7. Termination. 

7.1 Termination of Agreement Prior to Closing. This Agreement may be terminated at any time prior to the Closing: 

(a) with respect to any Purchaser, by the mutual written consent of such Purchaser and the Company; 

(b) by any Purchaser (with respect to the obligations of such Purchaser) or the Company, upon written notice to the other
party, if the Closing shall not have occurred on or prior to the date that is 90 calendar days following the date of this Agreement; provided, however, that the right to terminate this Agreement under this Section 7.1(b)
shall not be available to any party whose breach of any provision of this Agreement shall have been the cause of, or shall have resulted in, the failure of the Closing to occur on or prior to such date or the failure of a condition in
Section 5 or Section 6 hereof to be satisfied at such time; 
 (c) by any Purchaser (with respect to
the obligations of such Purchaser) or the Company, upon written notice to the other party, in the event that a Governmental Authority has issued an order, decree, or ruling or taken any other action permanently restraining, enjoining, or otherwise
prohibiting the consummation of the transactions contemplated by this Agreement and such order, decree, ruling, or other action has become final and nonappealable; provided, however, that the right to terminate this Agreement under
this Section 7.1(c) shall not be available to any party whose breach of any provision of this Agreement shall have been the cause of, or shall have resulted in, such order, decree, ruling, or other action; 

(d) by any Purchaser (with respect to the obligations of such Purchaser), upon written notice to the Company, if (i) there
has been a breach of any representation, warranty, covenant, or agreement made by the Company in this Agreement, such that the conditions to Closing set forth in Section 5.1 and Section 5.2 hereof, as applicable, would not be
satisfied; and (ii) such breach is not cured (if curable) within ten days after delivery of such notice; provided that this Section 7.1(d) shall only apply if such Purchaser is not in material breach of any of its obligations
under this Agreement; or 
 (e) by the Company, upon written notice to any Purchaser, if (i) there has been a breach of
any representation, warranty, covenant, or agreement made by such Purchaser in this Agreement, such that the conditions to Closing set forth in Section 6.1 and Section 6.2 hereof, as applicable, would not be satisfied and
(ii) such breach is not cured (if curable) within ten days after delivery of such notice; provided that this Section 7.1(e) shall only apply if the Company is not in material breach of any of its obligations under this
Agreement. 
 7.2 Effect of Termination Prior to Closing. In the event of termination of this Agreement as provided in
Section 7.1 hereof, this Agreement shall become void and have no effect without any liability or obligation on the part of any party hereto as to which such termination has been duly effected (other than the provisions of
Section 4.6, Section 8 and 

  
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Section 9 hereof and this Section 7.2); provided, however, that nothing herein shall relieve any party from any liability for any breach by such party of its
representations, warranties, covenants, or agreements set forth in this Agreement prior to such termination. 
 8. Indemnification. 

(a) Indemnification by the Company. The Company agrees to indemnify the Purchasers and their Representatives
(collectively, “Purchaser Related Parties”) from, and hold each of them harmless against, any and all actions, suits, proceedings (including any investigations, litigation or inquiries), demands, and causes of action, and, in
connection therewith, and promptly upon demand, pay or reimburse each of them for all costs, losses, liabilities, damages, or expenses of any kind or nature whatsoever, including, without limitation, the reasonable fees and disbursements of counsel
and all other reasonable expenses (collectively, “Losses”) incurred in connection with investigating, defending or preparing to defend any such matter that may be incurred by them or asserted against or involve any of them as a
result of, arising out of, or in any way related to the breach of any of the representations, warranties or covenants of the Company contained herein, provided that such claim for indemnification relating to a breach of the representations or
warranties is made prior to the expiration of such representations or warranties. 
 (b) Indemnification by the
Purchasers. Each Purchaser severally agrees to indemnify the Company and its Representatives (other than the Affiliated Purchasers) (collectively, “Company Related Parties”) from, and hold each of them harmless against, any and
all actions, suits, proceedings (including any investigations, litigation or inquiries), demands, and causes of action, and, in connection therewith, and promptly upon demand, pay or reimburse each of them for all Losses incurred in connection with
investigating, defending or preparing to defend any such matter that may be incurred by them or asserted against or involve any of them as a result of, arising out of, or in any way related to the breach of any of the representations, warranties or
covenants of such Purchaser contained herein, provided that such claim for indemnification relating to a breach of the representations and warranties is made prior to the expiration of such representations and warranties. Notwithstanding anything
herein to the contrary, (i) no Purchaser shall be liable for the acts, omission or breaches of any other Purchaser under or with respect to this Agreement or the transactions contemplated hereby, and (ii) each Purchaser’s aggregate
liability for Losses under this Section 8(b) shall not exceed the aggregate purchase price payable by such Purchaser to the Company for it Shares under this Agreement. 

(c) Indemnification Procedure. Promptly after any Company Related Party or Purchaser Related Party (hereinafter, the
“Indemnified Party”) has received notice of any indemnifiable claim hereunder, or the commencement of any action, suit or proceeding by a third Person, which the Indemnified Party believes in good faith is an indemnifiable claim
under this Agreement, the Indemnified Party shall give the indemnitor hereunder (the “Indemnifying Party”) written notice of such claim or the commencement of such action, suit or proceeding, but failure to so notify the
Indemnifying Party will not relieve the Indemnifying Party from any liability it may have to such Indemnified Party hereunder except to the extent that the Indemnifying Party is materially prejudiced by

  
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such failure. Such notice shall state the nature and the basis of such claim to the extent then known. The Indemnifying Party shall have the right to defend and settle, at its own expense and by
its own counsel who shall be reasonably acceptable to the Indemnified Party, any such matter as long as the Indemnifying Party pursues the same diligently and in good faith. If the Indemnifying Party undertakes to defend or settle, it shall promptly
notify the Indemnified Party of its intention to do so, and the Indemnified Party shall cooperate with the Indemnifying Party and its counsel in all commercially reasonable respects in the defense thereof and the settlement thereof. Such cooperation
shall include, but shall not be limited to, furnishing the Indemnifying Party with any books, records and other information reasonably requested by the Indemnifying Party and in the Indemnified Party’s possession or control. Such cooperation of
the Indemnified Party shall be at the cost of the Indemnifying Party. After the Indemnifying Party has notified the Indemnified Party of its intention to undertake to defend or settle any such asserted liability, and for so long as the Indemnifying
Party diligently pursues such defense, the Indemnifying Party shall not be liable for any additional legal expenses incurred by the Indemnified Party in connection with any defense or settlement of such asserted liability; provided, however, that
the Indemnified Party shall be entitled (a) at its expense, to participate in the defense of such asserted liability and the negotiations of the settlement thereof and (b) if (i) the Indemnifying Party has failed to assume the defense
or employ counsel reasonably acceptable to the Indemnified Party or (ii) if the defendants in any such action include both the Indemnified Party and the Indemnifying Party and counsel to the Indemnified Party shall have concluded that there may
be reasonable defenses available to the Indemnified Party that are different from or in addition to those available to the Indemnifying Party or if the interests of the Indemnified Party reasonably may be deemed to conflict with the interests of the
Indemnifying Party, then the Indemnified Party shall have the right to select a separate counsel and to assume such legal defense and otherwise to participate in the defense of such action, with the expenses and fees of such separate counsel and
other expenses related to such participation to be reimbursed by the Indemnifying Party as incurred. Notwithstanding any other provision of this Agreement, the Indemnifying Party shall not settle any indemnified claim without the consent of the
Indemnified Party, unless the settlement thereof imposes no liability or obligation on, and includes a complete release from liability of, and does not include any admission of wrongdoing or malfeasance by, the Indemnified Party. 

9. Miscellaneous. 
 9.1 Survival.
The representations, warranties, covenants, and agreements contained in this Agreement shall survive the Closing for a period of one year after the date hereof and thereafter shall have no further force and effect. 

9.2 Successors and Assigns. The provisions of this Agreement shall inure to the benefit of and be binding upon the respective
successors and permitted assigns of the parties hereto. The Company will not assign this Agreement or any rights or obligations hereunder without the prior written consent of the Purchasers. None of the Purchasers will assign this Agreement or any
rights or obligations hereunder without the prior written consent of the Company, except to a Permitted Transferee as provided in the next sentence. Notwithstanding anything to the contrary contained herein, each of the Purchasers may assign its
commitment to 

  
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purchase the Shares hereunder in whole or in part to any direct or indirect subsidiary of such Purchaser or any of its Affiliates and its Affiliates’ limited partners and/or funds, entities
and accounts managed or advised by its Affiliates (any such transferee, a “Permitted Transferee”) subject to such Permitted Transferee making the representations and warranties set forth in Section 3, and each such
Permitted Transferee shall be entitled to the full benefit and be subject to the obligations of this Agreement as if such Person were a “Purchaser” hereunder. 

9.3 Notices. Any notice or request required or permitted to be delivered under this Agreement shall be given in writing and shall be
deemed effectively given (a) if given by personal delivery, upon actual delivery; (b) if given by facsimile, upon receipt of confirmation of a completed transmittal; (c) if given by mail, upon the earlier of (i) actual receipt of
such notice by the intended recipient; or (ii) three business days after such notice is deposited in first class mail, postage prepaid; and (d) if by an internationally recognized overnight courier, one business day after delivery to such
courier for overnight delivery. All notices to the Company shall be addressed to the address below and all notices to any Purchaser shall be addressed to the address listed on such Purchaser’s signature page hereto, or at such other address as
the parties hereto may designate by ten days’ advance written notice to the other parties: 
 If the Company: 

Eclipse Resources Corporation 

2121 Old Gatesburg Road, Suite 110 

State College, Pennsylvania 16803 

Attention: General Counsel 

Facsimile: (480) 393-4565 

With a copy to (which shall not constitute notice to the Company): 

Fulbright & Jaworski LLP (a member of Norton Rose Fulbright) 

2200 Ross Avenue, Suite 2800 

Dallas, Texas 75201 
 Attention:
M&A/Securities Group Head 
 Facsimile: (214) 855-8200 

If to a Purchaser: 

[See signature pages hereto] 

9.4 Governing Law. This Agreement shall be governed in all respects by the Laws of the State of Delaware without regard to choice of
Law or principles that could require the application of the Laws of any other jurisdiction. 
 9.5 Submission to Jurisdiction; Venue;
Waiver of Trial by Jury. Each of the parties hereto irrevocably submits to the exclusive jurisdiction of the Court of Chancery of the State of Delaware (the “Court of Chancery”), over any suit, action, or proceeding arising out
of or relating to this Agreement or the transactions contemplated hereby (or, solely to the extent that the Court of Chancery does not have jurisdiction over such suit, action, or proceeding, to the exclusive jurisdiction of the United States
District for the District of Delaware and the appellate 

  
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courts having jurisdiction of appeals in such courts (the “Delaware Federal Court”) or, solely to the extent that neither the Court of Chancery nor the Delaware Federal Court has
jurisdiction over such suit, action, or proceeding, the Superior Court of the State of Delaware). Each of the parties irrevocably waives, to the fullest extent permitted by Law, any objection which it may now or hereafter have to the laying of venue
of any such suit, action, or proceeding brought in such a court pursuant to the foregoing sentence and any claim that any such suit, action, or proceeding brought in such a court has been brought in an inconvenient forum. EACH PARTY ACKNOWLEDGES AND
AGREES THAT ANY CONTROVERSY WHICH MAY ARISE UNDER THIS AGREEMENT IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES, AND THEREFORE, EACH PARTY HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT SUCH PARTY MAY HAVE TO A TRIAL BY JURY IN
RESPECT OF ANY LITIGATION DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT. EACH PARTY CERTIFIES AND ACKNOWLEDGES THAT (I) NO REPRESENTATIVE, AGENT, OR ATTORNEY OF ANY OTHER
PARTY HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER; (II) EACH PARTY UNDERSTANDS AND HAS CONSIDERED THE IMPLICATIONS OF THIS WAIVER; (III) EACH PARTY MAKES
THIS WAIVER VOLUNTARILY; AND (IV) EACH PARTY HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS SET FORTH IN THIS SECTION 9.5. 

9.6 Equitable Relief. The parties hereto agree that irreparable damage would occur in the event that any provision of this Agreement
was not performed in accordance with its specific terms or was otherwise breached. It is accordingly agreed that the parties hereto shall be entitled to an injunction or injunctions to prevent breaches of this Agreement and to enforce specifically
the terms and provisions hereof in any court of competent jurisdiction, this being in addition to any other remedy to which they are entitled at Law or in equity. Additionally, each party hereto irrevocably waives any defense based on adequacy of
any other remedy, whether at Law or in equity, that might be asserted as a bar to the remedy of specific performance of any of the terms or provisions hereof or injunctive relief in any action brought therefor. 

9.7 Severability. If any provision of this Agreement or the application of any such provision to any Person or circumstance shall be
declared by any court of competent jurisdiction to be invalid, illegal, void, or unenforceable in any respect, all other provisions of this Agreement, or the application of such provision to Persons or circumstances other than those as to which it
has been held invalid, illegal, void, or unenforceable, shall nevertheless remain in full force and effect and will in no way be affected, impaired, or invalidated thereby. Upon such determination that any provision, or the application of any such
provision, is invalid, illegal, void, or unenforceable, the parties hereto shall negotiate in good faith to modify this Agreement so as to effect the original intent of the parties hereto as closely as possible to the fullest extent permitted by Law
in an acceptable manner to the end that the transactions contemplated hereby are fulfilled to the greatest extent possible. 
 9.8 Entire
Agreement. This Agreement, including the Annexes hereto, constitute the entire agreement between the parties hereto with respect to the subject matter hereof and supersede all prior written, and prior and contemporaneous oral, agreements and
understandings between the parties with respect to the subject matter hereof. 

  
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 9.9 No Third Party Beneficiaries. Nothing in this Agreement (implied or otherwise) is
intended to confer upon any Person other than the parties hereto, or their respective successors and permitted assigns, any rights, remedies, obligations, or liabilities under or by reason of this Agreement. 

9.10 Headings; Interpretation. All headings and subheadings used in this Agreement are used for convenience only and are not to be
considered in construing or interpreting this Agreement. The words “include,” “includes,” and “including” will be deemed to be followed by the phrase “without limitation.” The meanings given to terms defined
herein will be equally applicable to both the singular and plural forms of such terms. Unless expressly provided to the contrary, the word “or” is not exclusive and “hereunder,” “hereof,” “herein” and words of
similar import are references to this Agreement as a whole and not any particular section or other provision of this Agreement. Whenever the context may require, any pronoun includes the corresponding masculine, feminine, and neuter forms. All
references to “dollars” or “$” will be deemed references to the lawful money of the United States of America. Further, the parties hereto have participated jointly in the negotiation and drafting of this Agreement. In the event
an ambiguity or question of intent or interpretation arises, this Agreement shall be construed as if drafted jointly by the parties hereto, and no presumption or burden of proof shall arise favoring or disfavoring any party hereto by virtue of the
authorship of any provisions of this Agreement. All annexes attached hereto are hereby incorporated herein by reference and made a part hereof. 

9.11 Expenses. The Company shall pay all of the reasonable out of pocket costs and expenses incurred by each Purchaser in connection
with this Agreement and the transactions contemplated hereby up to a maximum of $50,000 per Purchaser, including the reasonable fees and expenses of a single legal counsel for each Purchaser. Such costs and expenses shall be reimbursed by the
Company promptly following a request for such reimbursement and delivery of documents evidencing the incurrence of such costs and expenses. 

9.12 Amendments and Waivers. No term of this Agreement may be amended or modified without the prior written consent of each party
hereto and this Agreement may not be amended in a manner that provides more favorable terms to any Purchaser unless the other Purchasers are first offered the opportunity to accept such favorable terms. No provision of this Agreement may be waived
except in a writing executed and delivered by the party against whom such waiver is sought to be enforced. 
 9.13 Certain
Definitions. The following terms shall have the respective meanings for all purposes of the Agreement: 
 (a)
“Affiliate” of any Person shall mean any other Person directly or indirectly controlling or controlled by or under direct or indirect common control with such Person. For purposes of this definition, “control” when used
with respect to any Person has the meaning specified in Rule 12b-2 promulgated under the Exchange Act; and the terms “controlling” and “controlled” have meanings correlative to the foregoing. 

  
 - 18 - 

 (b) “Affiliated Purchasers” shall mean, collectively, EnCap
Energy Capital Fund VIII, L.P., EnCap Energy Capital Fund VIII Co-Investors, L.P., EnCap Energy Capital Fund IX, L.P., CKH Partners II, L.P., The Hulburt Family II Limited Partnership and Kirkwood Capital, L.P. 

(c) “Company Material Adverse Effect” shall mean any change, development, occurrence, or event that would
reasonably be expected to be materially adverse to (i) the business, prospects, properties, assets, liabilities, consolidated results of operations, or financial condition of the Company and its Subsidiaries, taken as a whole; or (ii) the
ability of the Company to consummate the transactions contemplated hereby; provided that any such change, development, occurrence, or event resulting or arising from or relating to any of the following matters shall not be considered when
determining whether a Company Material Adverse Effect has occurred or would reasonably be expected to occur: (1) any change, development, occurrence, or event affecting the businesses or industries in which the Company and its Subsidiaries
operate; (2) any conditions affecting the United States of America’s general economy or the general economy in any geographic area in which the Company or its Subsidiaries operate or developments or changes therein or the financial and
securities markets and credit markets in the United States of America or elsewhere in the world; (3) political conditions, including acts of war (whether or not declared), armed hostilities, and terrorism, or developments or changes therein;
(4) any conditions resulting from natural disasters; (5) changes in any Laws or GAAP; (6) any action taken or omitted to be taken by or at the written request or with the written consent of any Purchaser; (7) any announcement or
pendency of this Agreement or the transactions contemplated hereby; (8) changes in the market price or trading volume of Common Stock or any other equity, equity-related, or debt securities of the Company or its Affiliates (it being understood
that the underlying circumstances, events, or reasons giving rise to any such change can be taken into account in determining whether a Company Material Adverse Effect has occurred or would reasonably be expected to occur); (9) any failure by
the Company or its Subsidiaries to meet any internal or public projections, forecasts, estimates, or guidance for any period (it being understood that the underlying circumstances, events, or reasons giving rise to any such failure can be taken into
account in determining whether a Company Material Adverse Effect has occurred or would reasonably be expected to occur); or (10) any legal claims or other proceedings made by any of the Company’s stockholders (on their own behalf or on
behalf of the Company) arising out of or related to this Agreement; provided, however, that the changes, developments, occurrences, or events set forth in clauses (1), (2), (3), (4), and (5) above may be taken into account in
determining whether there has been or is a Company Material Adverse Effect if and only to the extent such changes, developments, occurrences, or events have a disproportionate impact on the Company and its Subsidiaries, taken as a whole, relative to
other oil and gas exploration and production companies in the United States of America. 
 (d) “Governmental
Authority” shall mean any foreign governmental authority, the United States of America, any state of the United States of America, and any political subdivision of any of the foregoing, and any agency, instrumentality, department,
commission, board, bureau, central bank, authority, court, or other tribunal, having jurisdiction over any Purchaser, the Company, any of the Company’s Subsidiaries, or their respective properties. 

  
 - 19 - 

 (e) “Indebtedness” shall mean, as to any Person, without
duplication: (i) all indebtedness (including principal, interest, fees, and charges) of such Person for borrowed money or for the deferred purchase price of property or services; (ii) any other indebtedness which is evidenced by a
promissory note, bond, debenture, or similar instrument; and (iii) any obligation under or in respect of outstanding letters of credit, acceptances, and similar obligations created for the account of such Person. 

(f) “Knowledge” of the Company shall mean the actual knowledge of any of the following individuals: Benjamin
W. Hulburt, President and Chief Executive Officer of the Company, Matthew R. DeNezza, Executive Vice President and Chief Financial Officer of the Company, Christopher K. Hulburt, Executive Vice President, Secretary and General Counsel of the
Company, and Thomas S. Liberatore, Executive Vice President and Chief Operating Officer of the Company. 
 (g)
“Lien” shall mean any mortgage, pledge, charge, encumbrance, security interest, collateral assignment, or other lien or restriction. 

(h) “Permitted Liens” shall mean (i) Liens for taxes, assessments, or levies not yet due (subject to
applicable grace periods) or which are being contested in good faith by appropriate proceedings if adequate reserves with respect thereto are maintained on the books of the Company in accordance with GAAP; (ii) carriers,’
warehousemen’s, mechanics,’ landlords,’ vendors,’ materialmen’s, repairmen’s, sureties,’ or other like Liens arising in the ordinary course of business and securing amounts not yet due or which are being contested
in good faith by appropriate proceedings if, in the case of such contested Liens, adequate reserves with respect thereto are maintained on the books of the Company in accordance with GAAP; (iii) easements, rights-of-way, covenants,
reservations, exceptions, encroachments, zoning, and similar restrictions and encumbrances or title defects incurred in the ordinary course of business which, in the aggregate, are not substantial in amount, and which would not, individually or in
the aggregate, reasonably be expected to have a Company Material Adverse Effect; (iv) contractual Liens which arise in the ordinary course of business under operating agreements, joint venture agreements, exploration agreements, oil and gas
partnership agreements, oil and gas leases, farm-in or farm-out agreements, division orders, contracts for the sale, transportation, gathering or exchange of oil and natural gas, unitization and pooling declarations and agreements, area of mutual
interest agreements, overriding royalty agreements, carried interests, reversionary interests, marketing agreements, processing agreements, net profits agreements, seismic or other geophysical permits, consents or agreements, and other agreements
which are usual and customary in the oil and gas business and are for claims which are not delinquent by more than 90 days or which are being contested in good faith by appropriate action and for which adequate reserves have been maintained in
accordance with GAAP; (v) bankers’ Liens, rights of set-off or similar rights and remedies arising by operation of Law; (vi) rights of lessees and sublessees in assets leased by the Company or any Subsidiary not prohibited elsewhere
herein; and (vii) mortgages and other security interests granted by the Company or its Subsidiaries pursuant to the credit agreement of Eclipse Resources I, LP, as borrower, dated as of February 18, 2014, as amended. 

(i) “Person” shall mean any individual, corporation, trust, unincorporated organization, Governmental
Authority, or any other form of entity. 

  
 - 20 - 

 (j) “Representative” of any Person means the Affiliates,
officers, directors, managers, employees, agents, counsel, accountants, investment bankers and other representatives of such Person. 

(k) “Subsidiary” of any Person shall mean any corporation, partnership, joint venture, limited liability
company, trust, or estate of which (or in which) more than fifty percent of (i) the issued and outstanding capital stock having ordinary voting power to elect a majority of the board of directors of such corporation (regardless of whether at
the time capital stock of any other class or classes of such corporation shall or might have voting power upon the occurrence of any contingency); (ii) the interest in the capital or profits of such partnership, joint venture, or limited
liability company; or (iii) the beneficial interest in such trust or estate is at the time directly or indirectly owned or controlled by such Person, by such Person and one or more of its other Subsidiaries, or by one or more of such
Person’s other Subsidiaries. 
 9.14 Independent Nature of Purchasers’ Obligations and Rights. The obligations of each
Purchaser under this Agreement and the Registration Rights Agreement (together, the “Transaction Documents”) are several and not joint with the obligations of any other Purchaser, and no Purchaser shall be responsible in any way for
the performance of the obligations of any other Purchaser under any Transaction Document. The decision of each Purchaser to purchase Shares pursuant to the Transaction Documents has been made by such Purchaser independently of any other Purchaser
and independently of any information, materials, statements or opinions as to the business, affairs, operations, assets, properties, liabilities, results of operations, condition (financial or otherwise) or prospects of the Company or any Subsidiary
which may have been made or given by any other Purchaser or by any agent or employee of any other Purchaser, and no Purchaser and any of its agents or employees shall have any liability to any other Purchaser (or any other Person) relating to or
arising from any such information, materials, statement or opinions. Nothing contained herein or in any Transaction Document, and no action taken by any Purchaser pursuant thereto, shall be deemed to constitute the Purchasers as a partnership, an
association, a joint venture or any other kind of entity, or create a presumption that the Purchasers are in any way acting in concert or as a group with respect to such obligations or the transactions contemplated by the Transaction Documents. Each
Purchaser acknowledges that no other Purchaser has acted as agent for such Purchaser in connection with making its investment hereunder and that no Purchaser will be acting as agent of such Purchaser in connection with monitoring its investment in
the Shares or enforcing its rights under the Transaction Documents. Each Purchaser shall be entitled to independently protect and enforce its rights, including without limitation the rights arising out of the Transaction Documents, and it shall not
be necessary for any other Purchaser to be joined as an additional party in any proceeding for such purpose. The Company acknowledges that each of the Purchasers has been provided with the same Transaction Documents for the purpose of closing a
transaction with multiple Purchasers and not because it was required or requested to do so by any Purchaser. The Company’s obligations to each Purchaser under this Agreement are identical to its obligations to each other Purchaser other than
such differences resulting solely from the number of Shares purchased by such Purchaser, but regardless of whether such obligations are memorialized herein or in another agreement between the Company and a Purchaser. 

  
 - 21 - 

 9.15 Counterparts. This Agreement may be executed in any number of counterparts and
signatures may be delivered by facsimile or in electronic format (e.g., “PDF”), each of which may be executed by less than all parties hereto, each of which shall be enforceable against the parties hereto actually executing such
counterparts, and all of which together shall constitute one instrument. 
 [Signature Pages Follow] 

  
 - 22 - 

 IN WITNESS WHEREOF, the parties hereto, intending to be legally bound by the terms hereof, have
caused this Agreement to be executed as of the date first written above by their officers or other representatives thereunto duly authorized. 
  

							
	COMPANY:	 		 	ECLIPSE RESOURCES CORPORATION
				
		 		 	By:	 	 /s/ Benjamin W. Hulburt

		 		 	Name:	 	Benjamin W. Hulburt
		 		 	Title:	 	President and Chief Executive Officer

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	ENCAP ENERGY CAPITAL FUND VIII, L.P.
				
		 		 	By:	 	EnCap Equity Fund VIII GP, L.P., the
		 		 		 	General Partner of EnCap Energy Capital
		 		 		 	Fund VIII, L.P.
				
		 		 	By:	 	EnCap Investments L.P., the General
		 		 		 	Partner of EnCap Equity Fund VIII GP,
		 		 		 	L.P.
				
		 		 	By:	 	EnCap Investments GP, L.L.C., the
		 		 		 	General Partner of EnCap Investments
		 		 		 	L.P.
				
		 		 	By:	 	 /s/ Robert L. Zorich

		 		 	Name:	 	 Robert L. Zorich

		 		 	Title:	 	 Managing Partner

			
		 		 	Address for Notice:
			
		 		 	c/o EnCap Investments L.P.
		 		 	1100 Louisiana, Suite 4900
		 		 	Houston, Texas 77002
		 		 	Attention: Mark E. Burroughs, Jr.
		 		 	Fax: (713) 659-6130
			
		 		 	With a copy to:
			
		 		 	Thompson & Knight LLP
		 		 	333 Clay Street, Suite 3300
		 		 	Houston, Texas 77002
		 		 	Attention: Michael K. Pierce
		 		 	Fax: (832) 397-8049

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	ENCAP ENERGY CAPITAL FUND VIII CO-INVESTORS, L.P.
				
		 		 	By:	 	EnCap Equity Fund VIII GP, L.P., the
		 		 		 	General Partner of EnCap Energy Capital
		 		 		 	Fund VIII Co-Investors, L.P.
				
		 		 	By:	 	EnCap Investments L.P., the General
		 		 		 	Partner of EnCap Equity Fund VIII GP,
		 		 		 	L.P.
				
		 		 	By:	 	EnCap Investments GP, L.L.C., the
		 		 		 	General Partner of EnCap Investments
		 		 		 	L.P.
				
		 		 	By:	 	 /s/ Robert L. Zorich

		 		 	Name:	 	 Robert L. Zorich

		 		 	Title:	 	 Managing Partner

			
		 		 	Address for Notice:
			
		 		 	c/o EnCap Investments L.P.
		 		 	1100 Louisiana, Suite 4900
		 		 	Houston, Texas 77002
		 		 	Attention: Mark E. Burroughs, Jr.
		 		 	Fax: (713) 659-6130
			
		 		 	With a copy to:
			
		 		 	Thompson & Knight LLP
		 		 	333 Clay Street, Suite 3300
		 		 	Houston, Texas 77002
		 		 	Attention: Michael K. Pierce
		 		 	Fax: (832) 397-8049

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	ENCAP ENERGY CAPITAL FUND IX, L.P.
				
		 		 	By:	 	EnCap Equity Fund IX GP, L.P., the
		 		 		 	General Partner of EnCap Energy Capital
		 		 		 	Fund IX, L.P.
				
		 		 	By:	 	EnCap Investments L.P., the General
		 		 		 	Partner of EnCap Equity Fund IX GP,
		 		 		 	L.P.
				
		 		 	By:	 	EnCap Investments GP, L.L.C., the
		 		 		 	General Partner of EnCap Investments
		 		 		 	L.P.
				
		 		 	By:	 	 /s/ Robert L. Zorich

		 		 	Name:	 	 Robert L. Zorich

		 		 	Title:	 	 Managing Partner

			
		 		 	Address for Notice:
			
		 		 	c/o EnCap Investments L.P.
		 		 	1100 Louisiana, Suite 4900
		 		 	Houston, Texas 77002
		 		 	Attention: Mark E. Burroughs, Jr.
		 		 	Fax: (713) 659-6130
			
		 		 	With a copy to:
			
		 		 	Thompson & Knight LLP
		 		 	333 Clay Street, Suite 3300
		 		 	Houston, Texas 77002
		 		 	Attention: Michael K. Pierce
		 		 	Fax: (832) 397-8049

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	THE HULBURT FAMILY II LIMITED PARTNERSHIP
				
		 		 	By:	 	BWH Management Company II, LLC, the
		 		 		 	General Partner of The Hulburt Family II
		 		 		 	Limited Partnership
				
		 		 	By:	 	 /s/ Benjamin W. Hulburt

		 		 	Name:	 	Benjamin W. Hulburt
		 		 	Title:	 	Manager
			
		 		 	Address for Notice:
			
		 		 	c/o Eclipse Resources Corporation
		 		 	2121 Old Gatesburg Road, Suite 110
		 		 	State College, Pennsylvania 16803
		 		 	Attention: Benjamin W. Hulburt
		 		 	Fax: (480) 393-4565

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	CKH PARTNERS II, L.P.
				
		 		 	By:	 	CKH Management Company II, LLC, the
		 		 		 	General Partner of CKH Partners II, L.P.
				
		 		 	By:	 	 /s/ Christopher K. Hulburt

		 		 	Name:	 	Christopher K. Hulburt
		 		 	Title:	 	Manager
			
		 		 	Address for Notice:
			
		 		 	c/o Eclipse Resources Corporation
		 		 	2121 Old Gatesburg Road, Suite 110
		 		 	State College, Pennsylvania 16803
		 		 	Attention: Christopher K. Hulburt
		 		 	Fax: (480) 393-4565

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	KIRKWOOD CAPITAL, L.P.
				
		 		 	By:	 	Mountaineer Ventures, LLC, the
		 		 		 	General Partner of Kirkwood Capital, L.P.
				
		 		 	By:	 	 /s/ Thomas S. Liberatore

		 		 	Name:	 	Thomas S. Liberatore
		 		 	Title:	 	Manager
			
		 		 	Address for Notice:
			
		 		 	c/o Eclipse Resources Corporation
		 		 	2121 Old Gatesburg Road, Suite 110
		 		 	State College, Pennsylvania 16803
		 		 	Attention: Thomas S. Liberatore
		 		 	Fax: (480) 393-4565

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	BUCKEYE INVESTORS L.P.
				
		 		 	By:	 	Buckeye Investors GP LLC,
		 		 		 	its general partner
				
		 		 	By:	 	 /s/ Robert W. Antablin

		 		 	Name:	 	Robert W. Antablin
		 		 	Title:	 	Vice President
			
		 		 	Address for Notice:
			
		 		 	c/o Kohlberg Kravis Roberts & Co. L.P.
		 		 	9 West 57th Street, Suite 4200
		 		 	New York, NY 10019

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	GSO CAPITAL OPPORTUNITIES FUND II L.P.
				
		 		 	By:	 	GSO Capital Opportunities Associates II
		 		 		 	LLC, its general partner
				
		 		 	By:	 	 /s/ George Fan

		 		 	Name:	 	George Fan
		 		 	Title:	 	Authorized Signatory
			
		 		 	Address for Notice:
			
		 		 	c/o GSO Capital Partners LP
		 		 	345 Park Avenue
		 		 	New York, NY
		 		 	Attention: Randall Kessler / John Beberus

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	GSO ECLIPSE HOLDINGS I LP
				
		 		 	By:	 	GSO Capital Opportunities Associates II
		 		 		 	LLC, its general partner
				
		 		 	By:	 	 /s/ George Fan

		 		 	Name:	 	George Fan
		 		 	Title:	 	Authorized Signatory
			
		 		 	Address for Notice:
			
		 		 	c/o GSO Capital Partners LP
		 		 	345 Park Avenue
		 		 	New York, NY
		 		 	Attention: Randall Kessler / John Beberus

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	FIR TREE VALUE MASTER FUND, L.P.
				
		 		 	By:	 	 /s/ Donald P. McCarthy

		 		 	Name:	 	Donald P. McCarthy
		 		 	Title:	 	Chief Financial Officer
			
		 		 	Address for Notice:
			
		 		 	c/o Fir Tree, Inc.
		 		 	505 Fifth Avenue, 23rd Floor
		 		 	New York, New York 10017
		 		 	Attention: Brian A. Meyer, Esq., General Counsel

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	LUXOR CAPITAL PARTNERS, LP
				
		 		 	By:	 	 /s/ Kelly Skura

		 		 	Name:	 	Kelly Skura
		 		 	Title:	 	 Chief Financial Officer, Luxor Capital

Group, LP – as Investment Manager

			
		 		 	Address for Notice:
			
		 		 	c/o Luxor Capital Group, LP
		 		 	1114 Avenue of the Americas, 29th Floor
		 		 	New York, NY 10036
		 		 	Attention: Norris Nissim
		 		 	Fax: 212-763-8001
		 		 	Email: nnissim@luxorcap.com

 [Signature Pages to Securities Purchase Agreement] 

							
	PURCHASER:	 		 	 LUXOR CAPITAL PARTNERS

OFFSHORE MASTER FUND, LP

				
		 		 	By:	 	 /s/ Kelly Skura

		 		 	Name:	 	Kelly Skura
		 		 	Title:	 	 Chief Financial Officer, Luxor Capital

Group, LP – as Investment Manager

			
		 		 	Address for Notice:
			
		 		 	c/o Luxor Capital Group, LP
		 		 	1114 Avenue of the Americas, 29th Floor
		 		 	New York, NY 10036
		 		 	Attention: Norris Nissim
		 		 	Fax: 212-763-8001
		 		 	Email: nnissim@luxorcap.com

 [Signature Pages to Securities Purchase Agreement] 

 ANNEX A 

Purchasers and Number of Shares 
  

					
	 Purchaser Name
	  	Number of Shares
of Common Stock	 
	 EnCap Energy Capital Fund VIII, L.P.
	  	 	4,136,353	  
	 EnCap Energy Capital Fund VIII Co-Investors, L.P.
	  	 	9,558,304	  
	 EnCap Energy Capital Fund IX, L.P.
	  	 	30,967,616	  
	 The Hulburt Family II Limited Partnership
	  	 	55,151	  
	 CKH Partners II, L.P.
	  	 	13,788	  
	 Kirkwood Capital, L.P.
	  	 	13,788	  
	 Buckeye Investors L.P.
	  	 	10,650,000	  
	 GSO Eclipse Holdings I LP
	  	 	2,297,115	  
	 GSO Capital Opportunities Fund II L.P.
	  	 	1,112,885	  
	 Fir Tree Value Master Fund, L.P.
	  	 	2,275,000	  
	 Luxor Capital Partners Offshore Master Fund, LP
	  	 	738,400	  
	 Luxor Capital Partners, LP
	  	 	681,600	  
		  	  
	  
	 
	 Total
	  	 	62,500,000	  

 [Annex A to Securities Purchase Agreement] 

 ANNEX B 

Form of Amended and Restated Registration Rights Agreement 

[See attached] 

[Annex B to Securities Purchase Agreement] 

 EXECUTION VERSION 

AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT 

This Amended and Restated Registration Rights Agreement (this “Agreement”) is made and entered into as of January
    , 2015, by and among Eclipse Resources Corporation, a Delaware corporation (the “Company”), Eclipse Resources Holdings, L.P., a Delaware limited partnership (“Eclipse
Holdings”), EnCap Energy Capital Fund VIII, L.P., a Texas limited partnership (“EnCap VIII”), EnCap Energy Capital Fund VIII Co-Investors, L.P., a Texas limited partnership (“EnCap VIII
Co-Investors”), EnCap Energy Capital Fund IX, L.P., a Texas limited partnership (“EnCap IX”), CKH Partners II, L.P., a Pennsylvania limited partnership (“CKH II”), The Hulburt Family II
Limited Partnership, a Pennsylvania limited partnership (“Hulburt Family II”), Kirkwood Capital, L.P., a Pennsylvania limited partnership (“Kirkwood”), Eclipse Management, L.P., a Delaware limited
partnership (“Eclipse Management”), and each of the investors listed on Schedule A hereto (collectively, the “Investors” and each, an “Investor”). 

WHEREAS, the Parties (as defined below), other than the Investors, entered into a Registration Rights Agreement, dated as of
June 25, 2014 (the “Existing Agreement”); 
 WHEREAS, the Company, EnCap VIII, EnCap VIII Co-Investors,
EnCap IX, CKH II, Hulburt Family II, Kirkwood and the Investors are parties to a Securities Purchase Agreement, dated as of December 27, 2014 (the “Purchase Agreement”), pursuant to which, among other things, such
Parties have requested, and the Company has agreed to provide, registration rights with respect to the shares of the Common Stock (as defined below) purchased by such Parties from the Company thereunder; and 

WHEREAS, in light of the foregoing, the Parties desire to set forth certain registration rights applicable to the Registrable
Securities (as defined below), and hereby amend and restate the Existing Agreement in its entirety. 
 NOW THEREFORE, in
consideration of the mutual covenants and agreements set forth herein and for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged by each Party hereto, the Parties hereby agree as follows: 

1. Definitions. As used in this Agreement, the following terms have the meanings indicated: 

“Affiliate” of any specified Person means any other person that, directly or indirectly, is in control of, is
controlled by, or is under common control with, such specified Person. For purposes of this definition, “control” of a Person means the power, direct or indirect, to direct or cause the direction of the management and policies of such
Person, whether through ownership of voting securities, by contract or otherwise; and the terms “controlling” and “controlled” have meanings correlative to the foregoing. 

“Affiliated Holders” means Eclipse Holdings and Affiliates of EnCap Investments L.P., including the EnCap Parties and
the general and limited partners of Eclipse Holdings and EnCap Investments L.P., that are Holders. 
 “Affiliated Holder Demand
Notice” has the meaning set forth in Section 2(a)(i). 
 “Affiliated Holder Demand
Registration” has the meaning set forth in Section 2(a)(i). 
 “Agreement” has the meaning
set forth in the preamble. 

 “Automatic Shelf Registration Statement” means an “automatic
shelf registration statement” as defined under Rule 405. 
 “Blackout Period” has the meaning set forth in
Section 3(n). 
 “Board” means the board of directors of the Company. 

“Business Day” means any day other than a Saturday, Sunday or any other day on which banking institutions in the State
of Texas or the State of New York are authorized or required to be closed. 
 “CKH II” has the meaning set forth in
the preamble. 
 “Commission” means the Securities and Exchange Commission or any other federal agency then
administering the Securities Act or the Exchange Act. 
 “Common Stock” means the common stock, par value $0.01 per
share, of the Company. 
 “Company” has the meaning set forth in the preamble. 

“Company Securities” means any equity interest of any class or series in the Company. 

“Demand Notice” means an Affiliated Holder Demand Notice or a Non-Affiliated Holder Demand Notice. 

“Demand Registration” means an Affiliated Holder Demand Registration or a Non-Affiliated Holder Demand Registration.

 “Eclipse Holdings” has the meaning set forth in the preamble. 

“Eclipse Management” has the meaning set forth in the preamble. 

“Effective Date” means the time and date that a Registration Statement is first declared effective by the Commission
or otherwise becomes effective. 
 “Demand Effectiveness Period” has the meaning set forth in
Section 2(a)(iv). 
 “Effectiveness Period” shall mean the Demand Effectiveness Period or the Mandatory
Shelf Effectiveness Period, as applicable. 
 “EnCap VIII” has the meaning set forth in the preamble. 

“EnCap VIII Co-Investors” has the meaning set forth in the preamble. 

“EnCap IX” has the meaning set forth in the preamble. 

“EnCap Parties” means, collectively, EnCap VIII, EnCap VIII Co-Investors and EnCap IX, and “EnCap
Party” means any of them. 
 “Exchange Act” means the Securities Exchange Act of 1934, as amended. 

“Existing Agreement” has the meaning set forth in the preamble. 

  
 2 

 “FINRA” means the Financial Industry Regulatory Authority, Inc. 

“Form S-3 Eligibility Period” means the period of time during which the Company is eligible to conduct a registered
offering and sale of the Registrable Securities on Form S-3 (or any equivalent or successor form under the Securities Act). 

“Holder” means any record holder of Registrable Securities that (i) is a Party hereto or (ii) to whom
registration rights conferred by this Agreement have been transferred in compliance with Section 9(d) hereof; provided, however, that any Person referenced in clause (ii) shall be a Holder only if such Person agrees in
writing to be bound by and subject to the terms set forth in this Agreement. 
 “Hulburt Family II” has the meaning
set forth in the preamble. 
 “Initiating Holder” means the Holder delivering the Demand Notice or the Underwritten
Offering Notice, as applicable. 
 “Investor” has the meaning set forth in the preamble. 

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

“Limited Partner” means a limited partner of Eclipse Holdings. 

“Losses” has the meaning set forth in Section 6(a). 

“Mandatory Shelf Effectiveness Period” has the meaning set forth in Section 2.1(b)(i). 

“Mandatory Shelf Filing Date” has the meaning set forth in Section 2.1(b)(i). 

“Mandatory Shelf Registration Statement” has the meaning set forth in Section 2.1(b)(i). 

“Mandatory Shelf Securities” means the Registrable Securities issued pursuant to the Purchase Agreement. 

“Master Reorganization Agreement” means that certain Master Reorganization Agreement, dated as of June 6, 2014,
by and among Eclipse Resources I, LP, a Delaware limited partnership, Eclipse GP, LLC, a Delaware limited liability company, EnCap VIII, EnCap VIII Co-Investors, EnCap IX, CKH II, Hulburt Family II, Kirkwood, Eclipse Management, Eclipse Holdings,
the Company, Benjamin W. Hulburt, Christopher K. Hulburt and Thomas S. Liberatore. 
 “Minimum Amount” has the
meaning set forth in Section 2(a)(iii). 
 “Non-Affiliated Holder Demand Notice” has the meaning set
forth in Section 2(a)(ii). 
 “Non-Affiliated Holder Demand Registration” has the meaning set forth in
Section 2(a)(ii). 
 “Non-Affiliated Holders” means the Investors that are Holders. 

“Parties” means the Company, Eclipse Holdings, EnCap VIII, EnCap VIII Co-Investors, EnCap IX, CKH II, Hulburt Family
II, Kirkwood, Eclipse Management, the Investors and any Person that may become a party to this Agreement pursuant to the terms hereof. 

  
 3 

 “Person” means an individual, corporation, partnership, trust,
incorporated or unincorporated association, joint venture, limited liability company, joint stock company, estate, trust, government (or an agency or subdivision thereof) or other entity of any kind. 

“Piggyback Notice” has the meaning set forth in Section 2(d)(i). 

“Piggyback Registration” has the meaning set forth in Section 2(d)(i). 

“Proceeding” means any action, claim, suit, proceeding or investigation (including a preliminary investigation or
partial proceeding, such as a deposition) pending or, to the knowledge of the Company, to be threatened. 

“Prospectus” means the prospectus included in a Registration Statement (including a prospectus that includes any
information previously omitted from a prospectus filed as part of an effective Registration Statement in reliance upon Rule 430A, Rule 430B or Rule 430C promulgated under the Securities Act), as amended or supplemented by any prospectus supplement,
with respect to the terms of the offering of any portion of the Registrable Securities covered by such Registration Statement and all other amendments and supplements to the Prospectus, including post-effective amendments, and all material
incorporated by reference or deemed to be incorporated by reference in such Prospectus. 
 “Purchase Agreement” has
the meaning set forth in the preamble. 
 “Records” has the meaning set forth in Section 3(l). 

“Registrable Securities” means the Shares; provided, however, that Registrable Securities shall not
include: (i) any Shares the offering and sale of which has been registered under the Securities Act, and that have been disposed of pursuant to an effective Registration Statement; (ii) any Shares transferred to a Person who is not
entitled to the registration and other rights hereunder; (iii) any Shares that have been sold or transferred by the Holder thereof pursuant to Rule 144 (or any similar provision then in force under the Securities Act) and the transferee thereof
does not receive “restricted securities” as defined in Rule 144; (iv) any Shares that may be sold pursuant to Rule 144(b)(1); and (v) any Shares that cease to be outstanding (whether as a result of repurchase and cancellation,
conversion or otherwise). The Company shall not be required to register the offering and sale of the same Registrable Securities under more than one Registration Statement at any one time. 

“Registration Expenses” means: (i) all registration and filing fees (including fees and expenses (A) with
respect to filings required to be made with the Trading Market or FINRA and (B) in compliance with applicable state securities or “Blue Sky” laws); (ii) reasonable printing expenses (including expenses of printing certificates
for Company Securities and of printing Prospectuses if the printing of Prospectuses is reasonably requested by a Selling Stockholder included in the Registration Statement); (iii) reasonable messenger, telephone and delivery expenses;
(iv) reasonable transfer agent fees; (v) reasonable fees and disbursements of counsel, auditors, accountants and independent petroleum engineers for the Company; (vi) Securities Act liability insurance, if the Company so desires such
insurance; (vii) reasonable fees and expenses of all other Persons retained by the Company in connection with the consummation of the transactions contemplated by this Agreement; and (viii) all expenses relating to marketing the sale of
the Registrable Securities, including expenses related to conducting a “road show.” 
 “Registration
Statement” means a registration statement of the Company in the form required to register the resale of the Registrable Securities under the Securities Act, and including any Prospectus, amendments and supplements to each such
registration statement or Prospectus, including pre- and post-effective amendments, all exhibits thereto, and all material incorporated by reference or deemed to be incorporated by reference in such registration statement. 

  
 4 

 “Requested Underwritten Offering” has the meaning set forth in
Section 2(c)(i). 
 “Resale Distribution” has the meaning set forth in Section 2(a)(i). 

“Rule 144” means Rule 144 promulgated by the Commission pursuant to the Securities Act. 

“Rule 405” means Rule 405 promulgated by the Commission pursuant to the Securities Act. 

“Rule 415” means Rule 415 promulgated by the Commission pursuant to the Securities Act. 

“Rule 424” means Rule 424 promulgated by the Commission pursuant to the Securities Act. 

“Securities Act” means the Securities Act of 1933, as amended. 

“Selling Expenses” means all discounts, commissions or fees of underwriters, selling brokers, dealer managers or
similar industry professionals and stock transfer taxes applicable to the sale of Registrable Securities and fees and disbursements of counsel for any Holder or Selling Stockholder. 

“Selling Stockholder” means a Party (other than the Company) included as a selling stockholder selling Registrable
Securities pursuant to a Registration Statement. 
 “Selling Stockholder Indemnified Persons” has the meaning set
forth in Section 6(a). 
 “Senior Notes Registration Rights Agreement” means that certain Registration
Rights Agreement, dated as of June 26, 2013, by and among Eclipse Resources I, LP, the guarantors from time to time party thereto, and Blackstone Holdings Finance Co. L.L.C., GSO Eclipse Holdings I LP, MTP Energy Master Fund LTD, MTP Energy
Opportunities Fund LLC, Magnetar Capital Fund II, LP, Hipparchus Fund LP, Magnetar Global Event Driven Fund LLC, Blackwell Partners LLC, Magnetar Structured Credit Fund, LP, Triangle Peak Partners Private Equity, LP, the Northwestern Mutual Life
Insurance Company, the Northwestern Mutual Life Insurance Company for its Group Annuity Separate Account, Northwestern Long Term Care Insurance Company and Northwestern Mutual Capital Mezzanine Fund III, LP. 

“Shares” means (i) the shares of Common Stock issued to Eclipse Holdings pursuant to the Master Reorganization
Agreement, and (ii) the shares of Common Stock issued to EnCap VIII, EnCap VIII Co-Investors, EnCap IX, CKH II, Hulburt Family II, Kirkwood and the Investors pursuant to the Purchase Agreement, and in each case, any other equity interests of
the Company or equity interests in any successor of the Company issued in respect of such shares by reason of or in connection with any stock dividend, stock split, combination, reorganization, recapitalization, conversion to another type of entity
or similar event involving a change in the capital structure of the Company. 
 “Shelf Registration Statement” means
a Registration Statement of the Company filed with the Commission on Form S-3 (or any equivalent or successor form under the Securities Act) for an offering to be made on a continuous or delayed basis pursuant to Rule 415 (or any similar rule that
may be adopted by the Commission) covering Registrable Securities, as applicable. 
 “Suspension Period” has the
meaning set forth in Section 3(o). 

  
 5 

 “Trading Market” means the principal national securities exchange on
which Registrable Securities are listed. 
 “Underwritten Offering” means an underwritten offering of Common Stock
in which shares of Common Stock are sold to one or more underwriters for reoffering to the public (whether a Requested Underwritten Offering or in connection with a public offering of Common Stock by the Company, a public offering of Common Stock by
stockholders, or both, but excluding an offering relating solely to an employee benefit plan, an offering relating to a transaction on Form S-4 or S-8 (or any similar forms adopted after the date hereof as replacements therefor) or an offering on
any registration statement form that does not permit secondary sales). 
 “Underwritten Offering Notice” has the
meaning set forth in Section 2(c)(i). 
 “VWAP” means, as of a specified date and in respect of
Registrable Securities, the volume weighted average price for such security on the Trading Market with respect to the Registrable Securities for the twenty (20) trading days immediately preceding, but excluding, such date. 

“WKSI” means a “well known seasoned issuer” as defined under Rule 405. 

Unless the context requires otherwise: (a) any pronoun used in this Agreement shall include the corresponding masculine, feminine or
neuter forms; (b) references to Sections refer to Sections of this Agreement; (c) the terms “include,” “includes,” “including” and words of like import shall be deemed to be followed by the words “without
limitation”; (d) the terms “hereof,” “herein” or “hereunder” refer to this Agreement as a whole and not to any particular provision of this Agreement; (e) unless the context otherwise requires, the term
“or” is not exclusive and shall have the inclusive meaning of “and/or”; (f) defined terms herein will apply equally to both the singular and plural forms and derivative forms of defined terms will have correlative meanings;
(g) references to any law or statute shall include all rules and regulations promulgated thereunder, and references to any law, statute or rule shall be construed as including any legal and statutory provisions consolidating, amending,
succeeding or replacing the applicable law, statute or rule; (h) references to any Person include such Person’s successors and permitted assigns; and (i) references to “days” are to calendar days unless otherwise indicated.

  

	 	2.	Registration. 

  

	 	(a)	Demand Registration. 

 (i) At any time, each Affiliated Holder shall
have, to the extent it holds Registrable Securities, the option and right, exercisable by delivering a written notice to the Company (an “Affiliated Holder Demand Notice”), to require the Company, pursuant to the terms of and
subject to the limitations contained in this Agreement, to prepare and file with the Commission a Registration Statement registering the offering and sale of Registrable Securities (whether by the Affiliated Holder directly or indirectly by Limited
Partners) on the terms and conditions specified in the Affiliated Holder Demand Notice, which may include sales on a delayed or continuous basis pursuant to Rule 415 pursuant to a Shelf Registration Statement (an “Affiliated Holder Demand
Registration”). The Affiliated Holder Demand Notice must set forth the number and type of Registrable Securities that the Affiliated Holder anticipates will be included in such Affiliated Holder Demand Registration and the intended
methods of disposition thereof. If Registrable Securities are to be distributed by Eclipse Holdings to one or more Limited Partners to permit the sale of such Registrable Securities directly by such Limited Partners as Selling Stockholders (such a
distribution, a “Resale Distribution”), 

  
 6 

 
Eclipse Holdings shall deliver a written notice to each Limited Partner that (i) specifies the amount of Registrable Securities that Eclipse Holdings estimates distributing to such Limited
Partner in the Resale Distribution, and (ii) offers such Limited Partner the right to include all (but not less than all) of such Registrable Securities in the Affiliated Holder Demand Registration. The Company shall use commercially reasonable
efforts to include any Registrable Securities to be received by a Limited Partner upon a Resale Distribution in such Affiliated Holder Demand Registration if the Company has received a written request for inclusion therein from such Limited Partner
within three (3) Business Days after the Company receives the Affiliated Holder Demand Notice. 
 (ii) During the Form
S-3 Eligibility Period, any Non-Affiliated Holder shall have the option and right, exercisable by delivering a written notice to the Company (a “Non-Affiliated Holder Demand Notice”), to require the Company to, pursuant to
the terms of and subject to the limitations contained in this Agreement, prepare and file with the Commission a Registration Statement on Form S-3 (or any equivalent or successor form under the Securities Act) registering the offering and sale of
Registrable Securities on the terms and conditions specified in the Non-Affiliated Holder Demand Notice, which may include sales on a delayed or continuous basis pursuant to Rule 415 pursuant to a Shelf Registration Statement (a
“Non-Affiliated Holder Demand Registration”). The Non-Affiliated Holder Demand Notice must set forth the number and type of Registrable Securities that the Initiating Holder anticipates will be included in such Non-Affiliated
Holder Demand Registration and the intended methods of disposition thereof. 
 (iii) Notwithstanding anything to the contrary
herein, the Company shall not be required to effectuate a Demand Registration unless the amount of Registrable Securities set forth in the Demand Notice have an aggregate value of at least than $25 million based on the VWAP of such Registrable
Securities as of the date of the Demand Notice (the “Minimum Amount”). 
 (iv) Within five
(5) Business Days of the receipt of the Demand Notice, the Company shall give written notice of such Demand Notice to all Holders (other than the Initiating Holder) and, within thirty (30) days thereof (except if the Company is not then
eligible to register for resale the Registrable Securities on Form S-3, in which case, within ninety (90) days thereof), shall, subject to the limitations of this Section 2(a), file a Registration Statement in accordance with the
terms and conditions of the Demand Notice, which Registration Statement shall cover, in addition to the Registrable Securities set forth in the Demand Notice, all of the Registrable Securities that such Holders shall in writing request to be
included in the Demand Registration (provided such request is given to the Company within ten (10) days of receipt of notice of the Demand Notice given by the Company pursuant to this Section 2(a)(iv) and includes such information
regarding the requesting Holder as is required to be disclosed in connection with such Demand Registration pursuant to Regulation S-K promulgated under the Securities Act). If, following the receipt of written notice from the Company of a Demand
Notice, Eclipse Holdings elects to undertake a Resale Distribution to permit its Limited Partners to participate in such Demand Registration, Eclipse Holdings shall promptly send written notice to the Limited Partners participating in the Resale
Distribution that specifies the amount of Registrable Securities that Eclipse Holdings anticipates distributing to such Limited Partner in the Resale Distribution, and the Limited Partners may include such Registrable Securities in the Demand
Registration if written notice is provided by the Limited Partners to the Company within the time period, and with the required information, set forth in the previous sentence. The Company shall use commercially

  
 7 

 
reasonable efforts to cause such Registration Statement to become and remain effective under the Securities Act until the earlier of (A) one hundred eighty (180) days (or two
(2) years if a Shelf Registration Statement is requested) after the Effective Date or (B) the date on which all Registrable Securities covered by such Registration Statement have been sold or cease to be Registrable Securities (the
“Demand Effectiveness Period”); provided, however, that such period shall be extended for a period of time equal to the period the Selling Stockholders refrain from selling any securities included in such
Registration Statement at the request of an underwriter of the Company or the Company pursuant to this Agreement. 
 (v)
Subject to the other limitations contained in this Agreement, the Company is not obligated hereunder to effect: (A) a Demand Registration within ninety (90) days of the closing of any Underwritten Offering, or (B) a subsequent Demand
Registration pursuant to a Demand Notice if a Registration Statement covering all of the Registrable Securities covered by such Demand Notice shall already have become effective under the Securities Act and remains effective under the Securities Act
and is sufficient to permit offers and sales of such Registrable Securities on the terms and conditions specified in such Demand Notice in accordance with the intended timing and method or methods of distribution thereof specified in such Demand
Notice. 
 (vi) Subject to Section 2(a)(i), a Selling Stockholder may withdraw all or any portion of its
Registrable Securities included in a Demand Registration from such Demand Registration at any time prior to the effectiveness of the applicable Registration Statement. Upon delivery of a notice by a Selling Stockholder to the effect that the Selling
Stockholder is withdrawing Registrable Securities such that the remaining Registrable Securities are below the Minimum Amount, the Company shall cease all efforts to secure effectiveness of the applicable Registration Statement. 

(vii) Subject to the limitations contained in this Agreement, the Company shall effect any Demand Registration on such
appropriate registration form of the Commission (x) as shall be selected by the Company and (y) as shall permit the disposition of the Registrable Securities in accordance with the intended method or methods of disposition specified in the
Initiating Holder’s request for such registration; provided, however, that (i) if the Company becomes, and is at the time of its receipt of a Demand Notice, a WKSI, the Demand Registration for any offering and selling of
Registrable Securities shall be effected pursuant to an Automatic Shelf Registration Statement, which shall be on Form S-3 or any equivalent or successor form under the Securities Act (if available to the Company), and (ii) any Non-Affiliated
Demand Registration must be on Form S-3 (or any equivalent or successor form under the Securities Act). If at any time a Registration Statement on Form S-3 is effective and a Selling Stockholder provides written notice to the Company that it intends
to effect an offering of all or part of the Registrable Securities included on such Registration Statement, the Company will amend or supplement such Registration Statement as may be necessary in order to enable such offering to take place. 

(viii) Without limiting Section 3, in connection with any Demand Registration pursuant to and in accordance with
this Section 2(a), the Company shall (A) promptly prepare and file or cause to be prepared and filed (1) such additional forms, amendments, supplements, prospectuses, certificates, letters, opinions and other documents, as may
be necessary or advisable to register or qualify the securities subject to such Demand Registration, including under the securities laws of such states as the Selling 

  
 8 

 
Stockholders shall reasonably request; provided, however, that no such registration or qualification shall be required in any jurisdiction where, as a result thereof, the Company
would become subject to general service of process or to taxation or would be required to qualify to do business or register as a broker or dealer, and (2) such forms, amendments, supplements, prospectuses, certificates, letters, opinions and
other documents as may be necessary to apply for listing or to list the Registrable Securities subject to such Demand Registration on the Trading Market and (B) do any and all other acts and things that may be reasonably necessary or
appropriate or reasonably requested by the Selling Stockholders to enable the Selling Stockholders to consummate a public sale of such Registrable Securities in accordance with the intended timing and method or methods of distribution thereof. 

(ix) In the event a Selling Stockholder transfers Registrable Securities included on a Registration Statement and such
Registrable Securities remain Registrable Securities following such transfer, at the request of such Selling Stockholder, the Company shall amend or supplement such Registration Statement as may be necessary in order to enable such transferee to
offer and sell such Registrable Securities pursuant to such Registration Statement; provided that in no event shall the Company be required to file a post-effective amendment to the Registration Statement unless (A) such Registration
Statement includes only Registrable Securities held by the Selling Stockholder, Affiliates of the Selling Stockholder or transferees of the Selling Stockholder or (B) the Company has received written consent therefor from whom Registrable
Securities have been registered on (but not yet sold under) such Registration Statement, other than the Selling Stockholder, Affiliates of the Selling Stockholder or transferees of the Selling Stockholder. 

 

	 	(b)	Mandatory Shelf Registration. 

 (i) As soon as practicable following the
date hereof, and no later than February 11, 2015 (such filing date, the “Mandatory Shelf Filing Date”), the Company shall use its reasonable efforts to prepare and file with the Commission a Registration Statement
providing for registration and resale, on a continuous or delayed basis pursuant to Rule 415, of all of the Mandatory Shelf Securities (the “Mandatory Shelf Registration Statement”). The Mandatory Shelf Registration Statement
shall be on Form S-1 (or any equivalent or successor form) under the Securities Act (or to the extent the Company is eligible to use Form S-3 or any equivalent or successor form or forms, on Form S-3 or any comparable or successor form). The Company
shall use its reasonable efforts to cause the Mandatory Shelf Registration Statement to be declared effective under the Securities Act by the Commission as soon as practicable after the Mandatory Shelf Filing Date. The Company shall use its
reasonable efforts to keep the Mandatory Shelf Registration Statement (or any successor Shelf Registration Statement) continuously effective under the Securities Act until the earlier of (A) the date when all of the Mandatory Shelf Securities
covered by such Mandatory Shelf Registration Statement have been sold, (B) the date on which the Non-Affiliated Holders own, in the aggregate, a number of shares of Common Stock which represents less than 1% of the total number of shares of
Common Stock issued and outstanding at such time, and (C) the date on which all of the Mandatory Shelf Securities cease to be Registrable Securities hereunder (such period, the “Mandatory Shelf Effectiveness Period”).

  
 9 

 (ii) Without limiting Section 3, the Company shall, as promptly as
practicable during the Mandatory Shelf Effectiveness Period: 
 (1) if required by applicable law, file with the Commission a
post-effective amendment to the Mandatory Shelf Registration Statement or prepare and, if required by applicable law, file a supplement to the related Prospectus or a supplement or amendment to any document incorporated therein by reference or file
any other required document necessary to permit the Holders of Mandatory Shelf Securities to deliver such Prospectus to purchasers of Mandatory Shelf Securities in accordance with applicable law and, if the Company shall file a post-effective
amendment to the Mandatory Shelf Registration Statement, use its reasonable efforts to cause such post-effective amendment to be declared effective under the Securities Act as promptly as is practicable; 

(2) provide the Holders of Mandatory Shelf Securities copies of any documents to filed pursuant to
Section 2(b)(ii)(1) a reasonable period of time prior to such filing, and use commercially reasonable efforts to address in each such document when so filed with the Commission such comments as such Holder of Mandatory Shelf Securities
reasonably shall propose prior to the filing thereof; and 
 (3) notify the Holders of Mandatory Shelf Securities as promptly
as practicable after the effectiveness under the Securities Act of any post-effective amendment filed pursuant to Section 2(b)(ii)(1). 
  

	 	(c)	Requested Underwritten Offering. 

 (i) Any Holder then able to effectuate
a Demand Registration pursuant to the terms of Section 2(a) shall have the option and right, exercisable by delivering written notice to the Company (an “Underwritten Offering Notice”), to require the Company,
pursuant to the terms of and subject to the limitations of this Agreement, to effectuate a distribution of Registrable Securities by means of an Underwritten Offering pursuant to an effective Registration Statement (or pursuant to an effective
Automatic Shelf Registration Statement) (a “Requested Underwritten Offering”); provided, however, that the Registrable Securities requested to be included in such Requested Underwritten Offering have an
aggregate value at least equal to the Minimum Amount. If, in connection with the submission of an Underwritten Offering Notice, Eclipse Holdings elects to undertake a Resale Distribution to permit its Limited Partners to directly participate in a
Requested Underwritten Offering, Eclipse Holdings shall promptly send written notice to the Limited Partners participating in the Resale Distribution that specifies the amount of Registrable Securities that Eclipse Holdings anticipates distributing
to such Limited Partner in the Resale Distribution and contains the information set forth in the Underwritten Offering Notice, and the Limited Partners may include such Registrable Securities in the Requested Underwritten Offering if written notice
is promptly provided by the Limited Partners to the Company. 
 (ii) The managing underwriter or managing underwriters of a
Requested Underwritten Offering shall be designated by the Initiating Holder (provided, however, that such designated managing underwriter or managing underwriters shall be a nationally recognized investment banking firm reasonably
acceptable to the Company). Notwithstanding the foregoing, the Company is not obligated to effect a Requested Underwritten Offering within 90 days of the closing of an Underwritten Offering. 

(iii) If the managing underwriter or underwriters of a proposed Requested Underwritten Offering of the Registrable Securities
included in a Demand Registration advise the Company that, in its or their opinion, the number of securities requested to be 

  
 10 

 
included in such Requested Underwritten Offering exceeds the number which can be sold in such Requested Underwritten Offering without being likely to have a significant adverse effect on the
price, timing or distribution of the securities offered or the market for the securities offered, the securities to be included in such Requested Underwritten Offering shall be allocated, (A) first, pro rata among the Parties (other than
the Company) that (prior to any cutback) would participate in such Underwritten Offering based on the relative number of Registrable Securities that would be held by each such Party following any related Resale Distribution, if any; provided,
however, that any securities thereby allocated to a Party that exceed such Party’s request shall be reallocated among the remaining Parties in like manner; (B) second, and only if all the securities referred to in clause
(A) have been included in such registration, to the Company up to the number of securities that the Company proposes to include in such registration that, in the opinion of the managing underwriter or underwriters can be sold without having
such adverse effect and (C) third, and only if all of the securities referred to in clause (B) have been included in such registration, up to the number of securities that in the opinion of the managing underwriter or underwriters can be
sold without having such adverse effect. 
  

	 	(d)	Piggyback Registration. 

 (i) If the Company shall at any time propose to
conduct a registered offering of Common Stock (whether a registered offering of Common Stock by the Company or a registered offering of Common Stock by the Company’s stockholders (including a Requested Underwritten Offering), or both, but
excluding an offering pursuant to Section 2.1(b), an offering relating solely to an employee benefit plan, an offering relating to a transaction on Form S-4 or S-8 (or any similar forms adopted after the date hereof as replacements
therefor) or an offering on any registration statement form that does not permit secondary sales), the Company shall promptly notify all Holders of such proposal reasonably in advance of (and in any event at least five (5) Business Days before)
the commencement of such offering, which notice will set forth the principal terms and conditions of the issuance, including the proposed offering price (or range of offering prices), the anticipated filing date of the registration statement (if not
yet filed) and the number of shares of Common Stock that are proposed to be registered (the “Piggyback Notice”); provided, however, notwithstanding any other provision of this Agreement, if the managing
underwriter or managing underwriters of an Underwritten Offering (other than a Requested Underwritten Offering) advise the Company that in their reasonable opinion that the inclusion of a Holder’s Registrable Securities requested for inclusion
in the subject Underwritten Offering (and any related registration, if applicable) would likely have an adverse effect on the price, timing, marketing or distribution of Common Stock proposed to be included in such Underwritten Offering, the Company
shall have no obligation to provide a Piggyback Notice to such Holder and such Holder shall have no right to include any Registrable Securities in such Underwritten Offering (and any related registration, if applicable). The Piggyback Notice shall
offer the Holders the opportunity to include in such offering (and any related registration, if applicable) the number of Registrable Securities as they may request (a “Piggyback Registration”); provided,
however, that in the event that the Company proposes to effectuate the subject offering pursuant to an effective Shelf Registration Statement of the Company other than an Automatic Shelf Registration Statement, only Registrable Securities of
Holders which are subject to such effective Shelf Registration Statement may be included in such Piggyback Registration. The Company shall use commercially reasonable efforts to include in each such Piggyback Registration such Registrable Securities
for which the Company has 

  
 11 

 
received written requests for inclusion within three (3) Business Days (or within one (1) Business Day in the case of an “overnight” offering or “bought deal”) after
sending the Piggyback Notice, provided that such written request sets forth such information regarding the Selling Stockholder as is required to be disclosed in connection with the offering (and any related registration, if applicable)
pursuant to Regulation S-K promulgated under the Securities Act. If, following the receipt of a Piggyback Notice, Eclipse Holdings elects to undertake a Resale Distribution to permit its Limited Partners to participate in such Piggyback
Registration, Eclipse Holdings shall send written notice to the Limited Partners participating in such Resale Distribution that (i) specifies the amount of Registrable Securities that Eclipse Holdings anticipates distributing to such Limited
Partner in the Resale Distribution and (ii) sets forth the information contained in the Piggyback Notice, and the Limited Partners may thereafter include such Registrable Securities in the Piggyback Registration if written notice is provided by
the Limited Partners to the Company within the time periods, and with the required information, set forth in the previous sentence. 

(ii) If a Holder decides not to include for registration in an offering contemplated by this Section 2(c) (and any
related registration, if applicable) such Holder’s Registrable Securities following the receipt of a Piggyback Notice, such Holder shall nevertheless continue to have the right to include any of such Holder’s Registrable Securities in any
subsequent offering contemplated by this Section 2(c) (and any related registration, if applicable) in accordance with this Section 2(c). 

(iii) If the managing underwriter or managing underwriters of an Underwritten Offering advise the Company and the Holders that
in their reasonable opinion that the inclusion of all of the Registrable Securities requested for inclusion in an Underwritten Offering (other than a Requested Underwritten Offering) would likely have an adverse effect on the price, timing,
marketing or distribution of Common Stock proposed to be included in such offering, the Company shall include in such Underwritten Offering only that number of shares of Common Stock proposed to be included in such Underwritten Offering that, in the
reasonable opinion of the managing underwriter or managing underwriters, will not have such effect, with such number to be allocated as follows: (A) first, to the Company, (B) second, if there remains availability for additional shares of
Common Stock to be included in such Underwritten Offering following the allocation to the Company under (A), pro rata among the Parties (other than the Company) that (prior to any cutback) would participate in such Underwritten Offering based
on the relative number of Registrable Securities that would be held by each such Party following any related Resale Distribution, if any, and (C) if there remains availability for additional shares of Common Stock to be included in such
registration following the allocation to the Parties under (B), third pro rata among all other Persons holding Common Stock who may be seeking to register such Common Stock pursuant to incidental or piggyback registration rights based on the
number of Common Stock such Person is entitled to include in such registration. 
 (iv) Any Holder or Limited Partner shall
have the right to withdraw all or part of its request for inclusion of its Registrable Securities in a Piggyback Registration by giving written notice to the Company of its request to withdraw; provided, however, that (i) such
request must be made in writing prior to the effectiveness of such Registration Statement and (ii) such withdrawal shall be irrevocable and, after making such withdrawal, a Holder or Limited Partner shall no longer have any right to include
Registrable Securities in the Piggyback Registration as to which such withdrawal was made. 

  
 12 

 (v) The Company shall have the right to terminate or suspend any registered
offering as to which Holders have a right to a Piggyback Registration pursuant to this Section 2(c) (other than any registered offering initiated by a Holder pursuant to Section 2(a)–(b)) at any time in its sole
discretion, and without any obligation to any Party (whether or not such Party has elected to exercise its right to a Piggyback Registration pursuant to this Section 2(c)). 

 

	 	3.	Registration and Underwritten Offering Procedures. 

 The procedures to be
followed by the Company and each Selling Stockholder electing to sell Registrable Securities in a Registration Statement pursuant to this Agreement, and the respective rights and obligations of the Company and such Selling Stockholders with respect
to the preparation, filing and effectiveness of such Registration Statement and the effectuation of any Underwritten Offering, are as follows: 

(a) in connection with a Demand Registration, the Company will, at least three (3) Business Days prior to the anticipated
filing of the Registration Statement and any related Prospectus or any amendment or supplement thereto (other than, after effectiveness of the Registration Statement, any filing made under the Exchange Act that is incorporated by reference into the
Registration Statement), (i) furnish to such Selling Stockholders copies of all such documents prior to filing and (ii) use commercially reasonable efforts to address in each such document when so filed with the Commission such comments as
such Selling Stockholders reasonably shall propose prior to the filing thereof. 
 (b) in connection with a Piggyback
Registration or a Requested Underwritten Offering, the Company will, at least three (3) Business Days prior to the anticipated filing of any initial Registration Statement that identifies the Selling Stockholders and any related Prospectus or
any amendment or supplement thereto (other than amendments and supplements that do not materially alter the previous disclosure or do nothing more than name the Selling Stockholders and provide information with respect thereto), as applicable,
(i) furnish to such Selling Stockholders copies of any such Registration Statement or related Prospectus or amendment or supplement thereto that identify the Selling Stockholder and any related Prospectus or any amendment or supplement thereto
(other than amendments and supplements that do not materially alter the previous disclosure or do nothing more than name Selling Stockholders and provide information with respect thereto) prior to filing and (ii) use commercially reasonable
efforts to address in each such document when so filed with the Commission such comments as such Selling Stockholders reasonably shall propose prior to the filing thereof. 

(c) The Company will use commercially reasonable efforts to as promptly as reasonably practicable (i) prepare and file
with the Commission such amendments, including post-effective amendments, and supplements to each Registration Statement and the Prospectus used in connection therewith as may be necessary under applicable law to keep such Registration Statement
continuously effective with respect to the disposition of all Registrable Securities covered thereby during the Effectiveness Period; (ii) cause the related Prospectus to be amended or supplemented by any required prospectus supplement, and as
so supplemented or amended to be filed pursuant to Rule 424; and (iii) respond to any comments received from the Commission with respect to each Registration Statement or any amendment thereto and, as promptly as reasonably practicable provide
such Selling Stockholders true and complete copies of all 

  
 13 

 
correspondence from and to the Commission relating to such Registration Statement that pertains to such Selling Stockholders as selling stockholders but not any comments that would result in the
disclosure to such Selling Stockholders of material and non-public information concerning the Company. 
 (d) The Company
will comply in all material respects with the provisions of the Securities Act and the Exchange Act with respect to the Registration Statements and the disposition of all Registrable Securities covered by each Registration Statement. 

(e) The Company will notify such Selling Stockholders who are included in a Registration Statement as promptly as reasonably
practicable: (i)(A) when a Prospectus or any prospectus supplement or post-effective amendment to a Registration Statement in which such Selling Stockholder is included has been filed; (B) when the Commission notifies the Company whether there
will be a “review” of the applicable Registration Statement and whenever the Commission comments in writing on such Registration Statement (in which case the Company shall provide true and complete copies thereof and all written responses
thereto to each of such Selling Stockholders that pertain to such Selling Stockholders as selling stockholders); and (C) with respect to each applicable Registration Statement or any post-effective amendment thereto, when the same has been
declared effective; (ii) of any request by the Commission or any other federal or state governmental authority for amendments or supplements to such Registration Statement or Prospectus or for additional information that pertains to such
Selling Stockholders as sellers of Registrable Securities; (iii) of the issuance by the Commission of any stop order suspending the effectiveness of such Registration Statement covering any or all of the Registrable Securities or the initiation
of any Proceedings for that purpose; (iv) of the receipt by the Company of any notification with respect to the suspension of the qualification or exemption from qualification of any of the Registrable Securities for sale in any jurisdiction,
or the initiation or threatening of any Proceeding for such purpose; and (v) of the occurrence of any event or passage of time that makes any statement made in such Registration Statement or Prospectus or any document incorporated or deemed to
be incorporated therein by reference untrue in any material respect or that requires any revisions to such Registration Statement, Prospectus or other documents so that, in the case of such Registration Statement or the Prospectus, as the case may
be, it will not contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which they were made, not
misleading (provided, however, that no notice by the Company shall be required pursuant to this clause (v) in the event that the Company either promptly files a prospectus supplement to update the Prospectus or a Form 8-K
or other appropriate Exchange Act report that is incorporated by reference into the Registration Statement, which in either case, contains the requisite information that results in such Registration Statement no longer containing any untrue
statement of material fact or omitting to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading). 

(f) The Company will use commercially reasonable efforts to avoid the issuance of or, if issued, obtain the withdrawal of
(i) any order suspending the effectiveness of a Registration Statement, or (ii) any suspension of the qualification (or exemption from qualification) of any of the Registrable Securities for sale in any jurisdiction, as promptly as
reasonably practicable, or if any such order or suspension is made effective during any Blackout Period or Suspension Period, as promptly as reasonably practicable after such Blackout Period or Suspension Period is over. 

  
 14 

 (g) During the Effectiveness Period, the Company will furnish to each Selling
Stockholder, without charge, at least one conformed copy of each Registration Statement and each amendment thereto and all exhibits to the extent requested by such Selling Stockholder (including those incorporated by reference) promptly after the
filing of such documents with the Commission; provided, however, that the Company will not have any obligation to provide any document pursuant to this clause that is available on the Commission’s EDGAR system. 

(h) The Company will promptly deliver to each Selling Stockholder, without charge, as many copies of each Prospectus or
Prospectuses (including each form of prospectus) authorized by the Company for use and each amendment or supplement thereto as such Selling Stockholder may reasonably request during the Effectiveness Period. Subject to the terms of this Agreement,
including Section 3(o), the Company consents to the use of such Prospectus and each amendment or supplement thereto by each of the Selling Stockholders in connection with the offering and sale of the Registrable Securities covered by
such Prospectus and any amendment or supplement thereto. 
 (i) The Company will cooperate with such Selling Stockholders to
facilitate the timely preparation and delivery of certificates representing Registrable Securities to be delivered to a transferee pursuant to a Registration Statement, which certificates shall be free of all restrictive legends indicating that the
Registrable Securities are unregistered or unqualified for resale under the Securities Act, Exchange Act or other applicable securities laws, and to enable such Registrable Securities to be in such denominations and registered in such names as any
such Selling Stockholder may request in writing. In connection therewith, if required by the Company’s transfer agent, the Company will promptly, after the Effective Date of the Registration Statement, cause an opinion of counsel as to the
effectiveness of the Registration Statement to be delivered to and maintained with its transfer agent, together with any other authorizations, certificates and directions required by the transfer agent which authorize and direct the transfer agent
to issue such Registrable Securities without any such legend upon sale by the Selling Stockholder of such Registrable Securities under the Registration Statement. 

(j) Upon the occurrence of any event contemplated by Section 3(e)(v), as promptly as reasonably practicable, the
Company will prepare a supplement or amendment, including a post-effective amendment, if required by applicable law, to the affected Registration Statement or a supplement to the related Prospectus or any document incorporated or deemed to be
incorporated therein by reference, and file any other required document so that, as thereafter delivered, no Registration Statement nor any Prospectus will 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, in the light of the circumstances under which they were made, not misleading. 

(k) In connection with any Requested Underwritten Offering, the Company will use commercially reasonable efforts to cause
appropriate officers and employees to be available, on a customary basis and upon reasonable notice, to meet with prospective investors in presentations, meetings and “road shows.” 

(l) With respect to Underwritten Offerings, (i) the right of any Selling Stockholder to include such Selling
Stockholder’s Registrable Securities in an Underwritten Offering shall be conditioned upon such Selling Stockholder’s participation in such underwriting and the inclusion of such Selling Stockholder’s Registrable Securities in the
underwriting to the extent provided herein, (ii) each Selling Stockholder participating in such Underwritten Offering agrees to enter into an underwriting agreement in customary form and sell such Selling Stockholder’s Registrable
Securities on the basis provided in any underwriting arrangements approved by the Persons entitled to select the managing underwriter or managing underwriters hereunder and (iii) each Selling Stockholder participating in such Underwritten
Offering agrees to complete and 

  
 15 

 
execute all questionnaires, powers of attorney, indemnities, custody agreements, lock-ups, “hold back” agreements, and other documents reasonably required under the terms of such
underwriting arrangements. The Company hereby agrees with each Selling Stockholder that, in connection with any Underwritten Offering in accordance with the terms hereof, it will negotiate in good faith and execute all customary indemnities,
underwriting agreements and other documents reasonably required under the terms of such underwriting arrangements, including using all commercially reasonable efforts to procure customary legal opinions, auditor “comfort” letters and
reports of independent petroleum engineers of the Company relating to the oil and gas reserves of the Company included in the Registration Statement if the Company has had its reserves prepared, audited or reviewed by an independent petroleum
engineer. In the event such Selling Stockholders seek to complete an Underwritten Offering, for a reasonable period prior to the filing of any Registration Statement and throughout the Effectiveness Period, the Company will make available upon
reasonable notice at the Company’s principal place of business or such other reasonable place for inspection during normal business hours by the managing underwriter or managing underwriters selected in accordance with this
Section 3(l) such financial and other information and books and records of the Company (collectively, the “Records”), and cause the officers, employees, counsel and independent certified public accountants of the
Company to respond to such inquiries, as shall be reasonably necessary (and in the case of counsel, not violate an attorney-client privilege in such counsel’s reasonable belief) to conduct a reasonable investigation within the meaning of
Section 11 of the Securities Act; provided, however, that, unless the disclosure of such Records is necessary to avoid or correct a misstatement or omission in the Registration Statement or the release of such Records is ordered
pursuant to a subpoena or other order from a court of competent jurisdiction, the Company shall not be required to provide any Records under this Section 3(l) if (i) the Company believes, after consultation with counsel for the
Company, that to do so would cause the Company to forfeit an attorney-client privilege that was applicable to such Records, or (ii) if either (A) the Company has requested and been granted from the Commission confidential treatment of such
Records contained in any filing with the Commission or documents provided supplementally or otherwise or (B) the Company reasonably determines in good faith that such Records are confidential and so notifies the Person so inspecting in writing,
unless prior to furnishing any such Records with respect to clause (ii) such Person requesting such Records agrees to enter into a confidentiality agreement in customary form and subject to customary exceptions; and provided,
further, that each Party agrees that it shall, upon learning that disclosure of such Records is sought in a court of competent jurisdiction, give notice to the Company and allow the Company, at its expense, to undertake appropriate action and
to prevent disclosure of the Records deemed confidential. 
 (m) Each Selling Stockholder agrees to furnish to the Company
any other information regarding the Selling Stockholder and the distribution of such securities as the Company reasonably determines is required to be included in any Registration Statement or any prospectus or prospectus supplement relating to an
Underwritten Offering. 
 (n) Notwithstanding any other provision of this Agreement, the Company shall not be required to
file a Registration Statement (or any amendment thereto) or effect a Requested Underwritten Offering (or, if the Company has filed a Shelf Registration Statement and has included Registrable Securities therein, the Company shall be entitled to
suspend the offer and sale of Registrable Securities pursuant to such Registration Statement) for a period of up to 60 days, if (A) the Board determines that a postponement is in the best interest of the Company and its stockholders generally
due to a pending transaction involving the Company (including a pending securities offering by the Company, or any proposed financing, acquisition, merger, tender offer, business combination, corporate reorganization, consolidation or other
significant transaction involving the Company), (B) the Board determines such registration would render the 

  
 16 

 
Company unable to comply with applicable securities laws, (C) the Board determines such registration would require disclosure of material information that the Company has a bona fide
business purpose for preserving as confidential, or (D) audited financial statements as of a date other than the fiscal year end of the Company would be required to be prepared (any such period, a “Blackout Period”);
provided, however, that in no event shall any Blackout Period together with any Suspension Period collectively exceed an aggregate of 120 days in any 12 month period. In addition, if the Company receives a Demand Notice and the
Company is then in the process of preparing to engage in a public offering, the Company shall inform the Initiating Holder of the Company’s intent to engage in a public offering and may require the Initiating Holder to withdraw the Demand
Notice for a period of up to one hundred twenty (120) days so that the Company may complete its public offering. In the event that the Company ceases to pursue such public offering, it shall promptly inform the Initiating Holder, and the
Initiating Holder shall be permitted to submit a new Demand Notice. 
 (o) Discontinued Disposition. Each Selling
Stockholder agrees that, upon receipt of a notice from the Company of the occurrence of any event of the kind described in clauses (ii) through (v) of Section 3(e), such Selling Stockholder will forthwith discontinue
disposition of such Registrable Securities under the Registration Statement until such Selling Stockholder’s receipt of the copies of the supplemental Prospectus or amended Registration Statement as contemplated by Section 3(j) or
until it is advised in writing by the Company that the use of the applicable Prospectus may be resumed, and, in either case, has received copies of any additional or supplemental filings that are incorporated or deemed to be incorporated by
reference in such Prospectus or Registration Statement (a “Suspension Period”). During any Suspension Period, if so directed by the Company, such Selling Stockholder must deliver to the Company all copies in its possession,
other than permanent file copies then in the Selling Stockholder’s possession, of the Prospectus covering such Registrable Shares current at the time of receipt of such notice, and shall keep the information contained in such, as well as any
knowledge related to the reason for the Suspension Period, confidential. The Company may provide appropriate stop orders to enforce the provisions of this Section 3(o). 

(p) Except as otherwise specifically provided in this Agreement, in all offerings of the Company’s securities the Company
shall have sole discretion to select the underwriters. 
 4. No Inconsistent Agreements. With the exception of the Senior
Notes Registration Rights Agreement and the Existing Agreement (which is being amended and restated in its entirety by this Agreement), the Company shall not hereafter enter into, and is not currently a party to, any agreement with respect to its
securities that is inconsistent in any material respect with the rights granted to the Parties by this Agreement. 
 5. Registration
Expenses. All Registration Expenses incident to the Company’s performance of or compliance with its obligations under this Agreement shall be borne by the Company, whether or not any Registrable Securities are sold pursuant to a
Registration Statement. In addition, the Company shall be responsible for all of its expenses incurred in connection with the consummation of the transactions contemplated by this Agreement (including expenses payable to third parties and including
all salaries and expenses of its officers and employees performing legal or accounting duties), the expense of any annual audit and the fees and expenses incurred in connection with the listing of the Registrable Securities on the Trading Market.
The Company shall not be required to pay any Selling Expenses, fees of any counsel retained by any underwriter with respect to any Requested Underwritten Offering, or any other expenses of the Parties (other than the Company) not specifically
required to be paid pursuant to this Section 5. 

  
 17 

	 	6.	Indemnification. 

 (a) The Company shall indemnify and hold
harmless each Selling Stockholder whose Registrable Securities are covered by a Registration Statement, each Person who controls such Selling Stockholder (within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange
Act), and each of their respective officers and directors and any agent thereof (collectively, “Selling Stockholder Indemnified Persons”), to the fullest extent permitted by applicable law, from and against any and all
losses, claims, damages, liabilities, joint or several, costs (including reasonable costs of preparation and reasonable attorneys’ fees) and expenses, judgments, fines, penalties, interest, settlements or other amounts arising from any and all
claims, demands, actions, suits or proceedings, whether civil, criminal, administrative or investigative, in which any Selling Stockholder Indemnified Person may be involved, or is threatened to be involved, as a party or otherwise, under the
Securities Act or otherwise (collectively, “Losses”), as incurred, arising out of or relating to any untrue or alleged untrue statement of a material fact contained in any Registration Statement under which any Registrable
Securities of such Selling Stockholder were registered, in any related preliminary prospectus (if the Company authorized the use of such preliminary prospectus prior to the Effective Date), or in any related summary or final prospectus or free
writing prospectus (if such free writing prospectus was authorized for use by the Company) or in any amendment or supplement thereto (if used during the period the Company is required to keep the Registration Statement current), or arising out of,
based upon or resulting from the omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements made therein, in the light of the circumstances in which they were made, not misleading;
provided, however, that the Company shall not be liable to any Selling Stockholder Indemnified Person to the extent that any such claim arises out of, is based upon or results from: (i) an untrue or alleged untrue statement
or omission or alleged omission made in such Registration Statement, such preliminary, summary or final prospectus or free writing prospectus or such amendment or supplement, in reliance upon and in conformity with written information furnished to
the Company by or on behalf of such Selling Stockholder Indemnified Person or any underwriter specifically for use in the preparation thereof; or (ii) any sales by a Selling Stockholder after the delivery by the Company to such Selling
Stockholder of written notice of a Suspension Period and before the written confirmation by the Company that sales may be resumed. The Company shall notify the Selling Stockholders promptly of the institution, threat or assertion of any Proceeding
of which the Company is aware in connection with the transactions contemplated by this Agreement. This indemnity shall be in addition to any liability the Company may otherwise have. 

(b) In connection with any Registration Statement in which a Selling Stockholder participates, all such participating Selling
Stockholders shall, severally and not jointly, indemnify and hold harmless the Company, each Person who controls the Company (within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act), and each of their
respective officers, directors and any agent thereof to the fullest extent permitted by applicable law, from and against any and all Losses as incurred, arising out of or relating to (i) any untrue or alleged untrue statement of a material fact
contained in any such Registration Statement, in any preliminary prospectus (if used prior to the Effective Date of such Registration Statement), or in any summary or final prospectus or free writing prospectus or in any amendment or supplement
thereto (if used during the period the Company is required to keep the Registration Statement current), or arising out of, based upon or resulting from the omission or alleged omission to state therein a material fact required to be stated therein
or necessary to make the statements made therein, in the light of the circumstances in which they were made, not misleading, but only to the extent that the same are made in reliance and in conformity with information relating to the Selling
Stockholder furnished in writing to the Company by or on behalf of such Selling 

  
 18 

 
Stockholder for use therein and (ii) any sales by such Selling Stockholders after the delivery by the Company to such Selling Stockholders of written notice of a Suspension Period and before
the written confirmation by the Company that sales may be resumed. This indemnity shall be in addition to any liability such Selling Stockholder may otherwise have. In no event shall the liability of any Selling Stockholder hereunder be greater in
amount than the dollar amount of the proceeds received by such Selling Stockholder under the sale of the Registrable Securities giving rise to such indemnification obligation. 

(c) Any Person entitled to indemnification hereunder shall (i) give prompt written notice to the indemnifying party of any
claim with respect to which it seeks indemnification and (ii) unless in such indemnified party’s reasonable judgment a conflict of interest between such indemnified and indemnifying parties may exist with respect to such claim or there may
be reasonable defenses available to the indemnified party that are different from or additional to those available to the indemnifying party, permit such indemnifying party to assume the defense of such claim with counsel reasonably satisfactory to
the indemnified party. An indemnifying party who is not entitled to, or elects not to, assume the defense of a claim shall not be obligated to pay the fees and expenses of more than one counsel (in addition to any local counsel) for all parties
indemnified by such indemnifying party with respect to such claim, unless in the reasonable judgment of any indemnified party there may be one or more legal or equitable defenses available to such indemnified party that are in addition to or may
conflict with those available to another indemnified party with respect to such claim. The delay or failure to give prompt written notice shall not release the indemnifying party from its obligations hereunder except to the extent that the
indemnifying party has been prejudiced by such delay or failure. An indemnifying party shall not be liable for any settlement effected by the indemnified party without the written consent of such indemnifying party. 

(d) If the indemnification provided for in this Section 6 is held by a court of competent jurisdiction to be
unavailable to an indemnified party with respect to any Losses referred to herein, the indemnifying party, in lieu of indemnifying such indemnified party thereunder, shall to the extent permitted by applicable law contribute to the amount paid or
payable by such indemnified party as a result of such Losses in such proportion as is appropriate to reflect the relative fault of the indemnifying party, on the one hand, and of the indemnified party, on the other, in connection with the untrue or
alleged untrue statement of a material fact or the omission to state a material fact that resulted in such Losses, as well as any other relevant equitable considerations. The relative fault of the indemnifying party and of the indemnified party
shall be determined by a court of law by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission to state a material fact relates to information supplied by the indemnifying party or by the
indemnified party and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission; provided, however, that in no event shall any contribution by a Selling
Stockholder hereunder exceed the net proceeds from the offering received by such Selling Stockholder. 
 7. Facilitation of Sales
Pursuant to Rule 144. For so long as the Company is subject to the reporting requirements of Sections 13 or 15(d) of the Exchange Act, the Company shall (i) timely file the reports required to be filed by it under the Exchange Act or
the Securities Act (including the reports under Sections 13 and 15(d) of the Exchange Act referred to in subparagraph (c)(1) of Rule 144), and (ii) take such further action as any Holder may reasonably request, all to the extent required from
time to time to enable the Holders to sell Registrable Securities without registration under the Securities Act within the limitations of the exemption provided by Rule 144. Upon the request of any Holder 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. 

  
 19 

 8. Duration of Agreement. This Agreement shall terminate and be of no further force
or effect when there shall no longer be any Registrable Securities outstanding; provided, however, that the Company’s and any Selling Stockholder’s obligations under Section 6 shall survive such termination. 

9. Miscellaneous. 

(a) Remedies. In the event of a breach by the Company of any of its obligations under this Agreement, each Holder, in
addition to being entitled to exercise all rights granted by law and under this Agreement, including recovery of damages, will be entitled to specific performance of its rights under this Agreement. The Company agrees that monetary damages would not
provide adequate compensation for any losses incurred by reason of a breach by it of any of the provisions of this Agreement and further agrees that, in the event of any action for specific performance in respect of such breach, it shall waive the
defense that a remedy at law would be adequate. 
 (b) Amendments and Waivers. No provision of this Agreement may be
waived or amended except in a written instrument signed by the Parties. The Company shall provide prior notice to all Parties of any proposed waiver or amendment. No waiver of any default with respect to any provision, condition or requirement of
this Agreement shall be deemed to be a continuing waiver in the future or a waiver of any subsequent default or a waiver of any other provision, condition or requirement hereof, nor shall any delay or omission of any Party to exercise any right
hereunder in any manner impair the exercise of any such right. Notwithstanding the foregoing, a waiver or consent to depart from the provisions of this Agreement with respect to a matter that relates exclusively to the rights of Selling Stockholders
whose Registrable Securities are being sold pursuant to a Registration Statement and that does not materially adversely affect the rights of other Parties may be given by Selling Stockholders selling of a majority of the Registrable Securities being
sold pursuant to such Registration Statement. 
 (c) Notices. Any and all notices or other communications or
deliveries required or permitted to be provided hereunder shall be in writing and shall be deemed given and effective on the earliest of (i) the date of transmission, if such notice or communication is delivered via facsimile or electronic mail
as specified in this Section 9(c) prior to 5:00 p.m. Central Time on a Business Day, (ii) the Business Day after the date of transmission, if such notice or communication is delivered via facsimile or electronic mail as specified in
this Agreement later than 5:00 p.m. Central Time on any date and earlier than 11:59 p.m. Central Time on such date, (iii) the Business Day following the date of mailing, if sent by nationally recognized overnight courier service, (iv) the
date of delivery, if delivered personally, or (v) upon actual receipt by the Party to whom such notice is required to be given. The contact information for such notices and communications shall be as set forth on the signature pages hereto (or
as any such party may designate by written notice to the other parties in accordance with this Section 9(c)). 

(d) Successors and Assigns. This Agreement shall be binding upon and inure to the benefit of the Parties and their
respective heirs, executors, administrators, successors, legal representatives and permitted assigns. Except as provided in this Section 9(d), this Agreement, and any rights or obligations hereunder, may not be assigned without the prior
written consent of the Company. Notwithstanding anything in the foregoing to the contrary, the registration rights of Eclipse Holdings, any EnCap Party or any of the Investors pursuant to this Agreement with respect to all or any portion of its
Registrable Securities may be assigned without such consent 

  
 20 

 
(but only with all related obligations) with respect to such Registrable Securities by such Party to a transferee of such Registrable Securities; provided (i) the Company is, within a
reasonable time after such transfer, furnished with written notice of the name and address of such transferee or assignee and the Registrable Securities with respect to which such registration rights are being assigned and (ii) such transferee
or assignee agrees in writing to be bound by and subject to the terms set forth in this Agreement. The Company may not assign its rights or obligations hereunder without the prior written consent of the Holders. 

(e) No Third Party Beneficiaries. Nothing in this Agreement, whether express or implied, shall be construed to give any
Person, other than the parties hereto or their respective successors and permitted assigns, any legal or equitable right, remedy, claim or benefit under or in respect of this Agreement. 

(f) Execution and Counterparts. This Agreement may be executed in any number of counterparts, each of which when so
executed shall be deemed to be an original and all of which taken together shall constitute one and the same Agreement. In the event that any signature is delivered by facsimile or electronic mail transmission, such signature shall create a valid
binding obligation of the Party executing (or on whose behalf such signature is executed) the same with the same force and effect as if such signature delivered by facsimile or electronic mail transmission were the original thereof. 

(g) Governing Law; Consent to Jurisdiction; Waiver of Jury Trial. This Agreement shall be governed by, and construed in
accordance with, the internal laws of the State of Delaware, without giving effect to its choice of law or conflict of law provisions or rules. Each of the Parties irrevocably submits to the exclusive jurisdiction of the courts of the State of
Delaware and the United States District Court for the District of Delaware for the purpose of any suit, action, proceeding or judgment relating to or arising out of this Agreement and the transactions contemplated hereby. Service of process in
connection with any such suit, action or proceeding may be served on each Party anywhere in the world by the same methods as are specified for the giving of notices under this Agreement. Each of the Parties irrevocably waives any objection to the
laying of venue of any such suit, action or proceeding brought in such courts and irrevocably waives any claim that any such suit, action or proceeding brought in any such court has been brought in an inconvenient forum. Each of the Parties agrees
that a judgment in any such suit, action or proceeding may be enforced in other jurisdictions by suit on the judgment or in any other manner provided by law. EACH OF THE PARTIES HEREBY IRREVOCABLY WAIVES ANY RIGHT TO REQUEST A TRIAL BY JURY IN
ANY LITIGATION WITH RESPECT TO THIS AGREEMENT AND REPRESENTS THAT COUNSEL HAS BEEN CONSULTED SPECIFICALLY AS TO THIS WAIVER. 

(h) Cumulative Remedies. The remedies provided herein are cumulative and not exclusive of any remedies provided by law.

 (i) Headings. The section and paragraph headings contained in this Agreement are for reference purposes only and
should not affect in any way the meaning or interpretation of this Agreement. 
 (j) Severability. If any term,
provision, covenant or restriction of this Agreement is held by a court of competent jurisdiction to be invalid, illegal, void or unenforceable, the remainder of the terms, provisions, covenants and restrictions set forth herein shall remain in full
force and effect and shall in no way be affected, impaired or invalidated, and the Parties shall use their reasonable efforts to find and employ an alternative means to achieve the same or 

  
 21 

 
substantially the same result as that contemplated by such term, provision, covenant or restriction. It is hereby stipulated and declared to be the intention of the Parties that they would have
executed the remaining terms, provisions, covenants and restrictions without including any of such that may be hereafter declared invalid, illegal, void or unenforceable. 

(k) Entire Agreement. This Agreement constitutes the entire agreement among the Parties with respect to the subject
matter hereof and supersedes all prior and contemporaneous contracts, agreements and understandings with respect to the subject matter hereof and the matters addressed or governed hereby, whether oral or written. 

[SIGNATURE PAGE FOLLOWS] 

  
 22 

 IN WITNESS WHEREOF, the Parties have executed this Agreement as of the date first written
above. 
  

			
	ECLIPSE RESOURCES CORPORATION
		
	By:	 	  

	Name:	 	Benjamin W. Hulburt
	Title:	 	President and Chief Executive Officer
	
	Information for Notice:
	Eclipse Resources Corporation
	2121 Old Gatesburg Road, Suite 110
	State College, Pennsylvania 16803
	Attention: General Counsel
	Fax: (480) 393-4565
	Electronic mail: chulburt@eclipseresouces.com
	
	With a copy to:
	
	Fulbright & Jaworski LLP
	(a member of Norton Rose Fulbright)
	2200 Ross Avenue, Suite 2800
	Dallas, Texas 75201
	Attention: Glen J. Hettinger
	Fax: (214) 855-8000
	Electronic mail: glen.hettinger@nortonrosefulbright.com
	
	ECLIPSE RESOURCES HOLDINGS, L.P.
		
	By:	 	  

	Name:	 	Benjamin W. Hulburt
	Title:	 	President and Chief Executive Officer
	
	Information for Notice:
	Eclipse Resources Holdings, L.P.
	2121 Old Gatesburg Road, Suite 110
	State College, Pennsylvania 16803
	Attention: Board of Managers
	Fax: (480) 393-4565
	Electronic mail: bhulburt@eclipseresources.com

 [Amended and Restated Registration Rights Agreement – Eclipse Resources Corporation] 

			
	ENCAP ENERGY CAPITAL FUND VIII, L.P.
		
	By:	 	EnCap Equity Fund VIII GP, L.P.,
		 	General Partner of EnCap Energy Capital Fund VIII, L.P.
		
	By:	 	EnCap Investments L.P.,
		 	General Partner of EnCap Equity Fund VIII GP, L.P.
		
	By:	 	EnCap Investments GP, L.L.C.,
		 	General Partner of EnCap Investments L.P.
		
	By:	 	  

	Name:	 	Robert L. Zorich
	Title:	 	Managing Partner
	
	Information for Notice:
	c/o EnCap Investments L.P.
	1100 Louisiana, Suite 4900
	Houston, Texas 77002
	Attention: Mark E. Burroughs, Jr.
	Fax: (713) 659-6130
	Electronic mail: mburroughs@encapinvestments.com
	
	With a copy to:
	
	Thompson & Knight LLP
	333 Clay Street, Suite 3300
	Houston, Texas 77002
	Attention: Michael K. Pierce
	Fax: (832) 397-8049
	Electronic mail: michael.pierce@tklaw.com

 [Amended and Restated Registration Rights Agreement – Eclipse Resources Corporation] 

			
	ENCAP ENERGY CAPITAL FUND VIII CO-INVESTORS, L.P.
		
	By:	 	EnCap Equity Fund VIII GP, L.P.,
		 	General Partner of EnCap Energy Capital Fund VIII Co- Investors, L.P.
		
	By:	 	EnCap Investments L.P.,
		 	General Partner of EnCap Equity Fund VIII GP, L.P.
		
	By:	 	EnCap Investments GP, L.L.C.,
		 	General Partner of EnCap Investments L.P.
		
	By:	 	  

	Name:	 	Robert L. Zorich
	Title:	 	Managing Partner
	
	Information for Notice:
	c/o EnCap Investments L.P.
	1100 Louisiana, Suite 4900
	Houston, Texas 77002
	Attention: Mark E. Burroughs, Jr.
	Fax: (713) 659-6130
	Electronic mail: mburroughs@encapinvestments.com
	
	With a copy to:
	
	Thompson & Knight LLP
	333 Clay Street, Suite 3300
	Houston, Texas 77002
	Attention: Michael K. Pierce
	Fax: (832) 397-8049
	Electronic mail: michael.pierce@tklaw.com

 [Amended and Restated Registration Rights Agreement – Eclipse Resources Corporation] 

			
	ENCAP ENERGY CAPITAL FUND IX, L.P.
		
	By:	 	EnCap Equity Fund IX GP, L.P.,
		 	General Partner of EnCap Energy Capital Fund IX, L.P.
		
	By:	 	EnCap Investments L.P.,
		 	General Partner of EnCap Equity Fund IX GP, L.P.
		
	By:	 	EnCap Investments GP, L.L.C.,
		 	General Partner of EnCap Investments L.P.
		
	By:	 	  

	Name:	 	Robert L. Zorich
	Title:	 	Managing Partner
	
	Information for Notice:
	c/o EnCap Investments L.P.
	1100 Louisiana, Suite 4900
	Houston, Texas 77002
	Attention: Mark E. Burroughs, Jr.
	Fax: (713) 659-6130
	Electronic mail: mburroughs@encapinvestments.com
	
	With a copy to:
	
	Thompson & Knight LLP
	333 Clay Street, Suite 3300
	Houston, Texas 77002
	Attention: Michael K. Pierce
	Fax: (832) 397-8049
	Electronic mail: michael.pierce@tklaw.com

 [Amended and Restated Registration Rights Agreement – Eclipse Resources Corporation] 

			
	THE HULBURT FAMILY II LIMITED PARTNERSHIP
		
	By:	 	BWH Management Company II, LLC,
		 	General Partner of The Hulburt Family II Limited Partnership
		
	By:	 	  

	Name:	 	Benjamin W. Hulburt
	Title:	 	Manager
	
	Information for Notice:
	
	c/o Eclipse Resources Corporation
	2121 Old Gatesburg Road, Suite 110
	State College, Pennsylvania 16803
	Attention: Benjamin W. Hulburt
	 Fax: (480) 393-4565
 e-mail:
bhulburt@eclipseresources.com

	
	CKH PARTNERS II, L.P.
		
	By:	 	CKH Management Company II, LLC,
		 	General Partner of CKH Partners II, L.P.
		
	By:	 	  

	Name:	 	Christopher K. Hulburt
	Title:	 	Manager
	
	Information for Notice:
	
	c/o Eclipse Resources Corporation
	2121 Old Gatesburg Road, Suite 110
	State College, Pennsylvania 16803
	Attention: Christopher K. Hulburt
	 Fax: (480) 393-4565
 e-mail:
chulburt@eclipseresources.com

 [Amended and Restated Registration Rights Agreement – Eclipse Resources Corporation] 

			
	KIRKWOOD CAPITAL, L.P.
		
	By:	 	Mountaineer Ventures, LLC,
		 	General Partner of Kirkwood Capital, L.P.
		
	By:	 	  

	Name:	 	Thomas S. Liberatore
	Title:	 	Manager
	
	Information for Notice:
	
	c/o Eclipse Resources Corporation
	2121 Old Gatesburg Road, Suite 110
	State College, Pennsylvania 16803
	Attention: Thomas S. Liberatore
	 Fax: (480) 393-4565
 e-mail:
tliberatore@eclipseresources.com

	
	ECLIPSE MANAGEMENT, L.P.
		
	By:	 	Eclipse Management GP, LLC,
		 	General Partner of Eclipse Management, L.P.
		
	By:	 	  

	Name:	 	Benjamin W. Hulburt
	Title:	 	President and Chief Executive Officer
	
	Information for Notice:
	
	c/o Eclipse Resources Corporation
	2121 Old Gatesburg Road, Suite 110
	State College, Pennsylvania 16803
	Attention: Benjamin W. Hulburt
	 Fax: (480) 393-4565
 e-mail:
bhulburt@eclipseresources.com

 [Amended and Restated Registration Rights Agreement – Eclipse Resources Corporation] 

			
	BUCKEYE INVESTORS L.P.
		
	By:	 	Buckeye Investors GP LLC,
		 	its general partner
		
	By:	 	  

	Name:	 	Robert W. Antablin
	Title:	 	Vice President
	
	Information for Notice:
	
	c/o Kohlberg Kravis Roberts & Co. L.P.
	9 West 57th Street, Suite 4200
	New York, NY 10019
	
	GSO CAPITAL OPPORTUNITIES FUND II L.P.
		
	By:	 	GSO Capital Opportunities Associates II LLC, its general partner
		
	By:	 	  

	Name:	 	George Fan
	Title:	 	Authorized Signatory
	
	Information for Notice:
	
	c/o GSO Capital Partners LP
	345 Park Avenue
	New York, NY 10154
	Attention: Randall Kessler / John Beberus
	
	GSO ECLIPSE HOLDINGS I LP
		
	By:	 	GSO Capital Opportunities Associates II LLC, its general partner
		
	By:	 	  

	Name:	 	George Fan
	Title:	 	Authorized Signatory
	
	Information for Notice:
	
	c/o GSO Capital Partners LP
	345 Park Avenue
	New York, NY 10154
	Attention: Randall Kessler / John Beberus

 [Amended and Restated Registration Rights Agreement – Eclipse Resources Corporation] 

			
	FIR TREE VALUE MASTER FUND, L.P.
		
	By:	 	  

	Name:	 	Donald P. McCarthy
	Title:	 	Chief Financial Officer
	
	Information for Notice:
	
	c/o Fir Tree, Inc.
	505 Fifth Avenue, 23rd Floor
	New York, New York 10017
	Attention: Brian A. Meyer, Esq., General Counsel
	
	LUXOR CAPITAL PARTNERS, LP
		
	By:	 	  

	Name:	 	Chris Isaacs
	Title:	 	Director of Tax, Luxor Capital Group LP – as Investment Manager
	
	Information for Notice:
	
	c/o Luxor Capital Group, LP
	1114 Avenue of the Americas, 29th Floor
	New York, NY 10036
	Attention: Norris Nissim
	Fax: 212-763-8001
	Email: nnissim@luxorcap.com; legal@luxorcap.com
	
	LUXOR CAPITAL PARTNERS OFFSHORE MASTER FUND, LP
		
	By:	 	  

	Name:	 	Chris Isaacs
	Title:	 	Director of Tax, Luxor Capital Group LP – as Investment Manager
	
	Information for Notice:
	
	c/o Luxor Capital Group, LP
	1114 Avenue of the Americas, 29th Floor
	New York, NY 10036
	Attention: Norris Nissim
	Fax: 212-763-8001
	Email: nnissim@luxorcap.com; legal@luxorcap.com

 [Amended and Restated Registration Rights Agreement – Eclipse Resources Corporation] 

 Schedule A 

List of Investors 
 Buckeye Investors L.P. 

GSO Capital Opportunities Fund II L.P. 
 GSO Eclipse Holdings I
LP 
 Fir Tree Value Master Fund, L.P. 
 Luxor Capital
Partners, LP 
 Luxor Capital Partners Offshore Master Fund, LP 

 ANNEX C 

Stockholder Written Consent 

[See attached] 
 [Annex C
to Securities Purchase Agreement] 

 EXECUTION VERSION 

IRREVOCABLE WRITTEN CONSENT OF 

STOCKHOLDERS IN LIEU OF 

A MEETING OF STOCKHOLDERS 

December 27, 2014 

The undersigned (the “Stockholder”), being the holder of a majority of the issued and outstanding shares of common stock of
Eclipse Resources Corporation, a Delaware corporation (the “Company”), hereby irrevocably consents in writing, pursuant to Section 228 of the General Corporation Law of the State of Delaware (the “DGCL”) and as
authorized by the Section 2.14 of the Amended and Restated Bylaws of the Company, to the following actions and adoption of the following resolutions by written consent in lieu of a meeting of stockholders of the Company: 

WHEREAS, the Company is entering into a Securities Purchase Agreement (the “Purchase Agreement”) by and between the
Company and each of the purchasers listed on Annex A thereto, including affiliates of EnCap Investments L.P. and its controlled funds and affiliates of members of the Company’s management team (collectively, the “Purchasers”),
a copy of which has been provided to the undersigned Stockholder; 
 WHEREAS, pursuant to the Purchase Agreement, the Company will
issue and sell to the Purchasers, and the Purchasers will purchase from the Company, the number of shares (collectively, the “Shares”) of the Company’s common stock, par value $0.01 per share (the “Common
Stock”), set forth opposite such Purchaser’s name on Annex A thereto, at a purchase price of $7.04 per share, upon the terms and subject to the conditions set forth therein (collectively, the purchase and sale of the Shares being
referred to herein as the “Stock Issuance”); 
 WHEREAS, the Audit Committee of the Board of Directors, which has
been delegated the full power of the Board of Directors with respect thereto, has approved the Purchase Agreement and the transactions contemplated thereby, including, without limitation, the Stock Issuance (collectively, the “Proposed
Transactions”); 
 WHEREAS, the approval of the Stock Issuance by the holders of a majority of the shares of Common Stock is
required pursuant to the rules of the New York Stock Exchange; 
 WHEREAS, the undersigned Stockholder is the holder of 129,700,000
shares of Common Stock, which comprises approximately 81% of the outstanding shares of Common Stock, as of the date hereof; and 

WHEREAS, the undersigned Stockholder desires to approve of the Purchase Agreement and the Proposed Transactions. 

NOW, THEREFORE, BE IT RESOLVED, that, effective as of January 7, 2015, the Purchase Agreement and the Proposed Transactions are
hereby approved in all respects by the undersigned Stockholder, and the undersigned Stockholder hereby consents thereto with respect to all of the shares of Common Stock held by such Stockholder as of the date hereof; 

 FURTHER RESOLVED, that this written consent is coupled with an interest and is
irrevocable; 
 FURTHER RESOLVED, that the President and Chief Executive Officer; the Executive Vice President and Chief Financial
Officer; the Executive Vice President, Secretary and General Counsel; and the Executive Vice President and Chief Operating Officer of the Company, or anyone appointed by them (each, an “Authorized Officer” and together, the
“Authorized Officers”) be, and each of them with full authority to act without the others hereby is, authorized and empowered to execute and deliver such other agreements, instruments, documents and certificates as the Authorized
Officer so acting may deem necessary or appropriate, and to take or cause to be taken any and all such other actions on behalf of the Company as the officer so acting deems necessary or appropriate to effectuate the transactions contemplated by any
of the foregoing resolutions; and 
 FURTHER RESOLVED, that any and all actions previously taken by any of the Authorized Officers or
representatives of the Company, for and on behalf and in the name of the Company, in connection with any of the foregoing resolutions are hereby authorized, ratified, confirmed and approved in all respects for all purposes. 

This written consent shall be filed with the minutes of the meetings of the stockholders of the Company and shall be treated for all purposes
as action taken at a meeting of such stockholders. 
 [Signature Page Follows] 

  
 - 2 - 

 IN WITNESS WHEREOF, the undersigned Stockholder has executed this irrevocable written
consent as of the date first set forth above. 
  

			
	ECLIPSE RESOURCES HOLDINGS, L.P.
		
	By:	 	 /s/ Benjamin W. Hulburt

	Name:	 	Benjamin W. Hulburt
	Title:	 	President and Chief Executive Officer

 [Signature Page to Written Consent of Eclipse Resources Holdings, L.P.]

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