Document:

Subordinated Promissory Note

 Exhibit 10.4 
 SUBORDINATED PROMISSORY NOTE 
  

			
	$25,000,000.00	  	July 5, 2006

 FOR VALUE RECEIVED, the undersigned, Diamondback Energy Services LLC, a Delaware limited
liability company (the “Borrower”), with an address at 510 East Memorial, Suite B-2, Oklahoma City, Oklahoma 73114-2218, hereby promises and agrees to pay to the order of Kappa Investors LLC, a Delaware limited liability company,
with its main office located at c/o Wexford Capital LLC, 411 West Putnam Avenue, Greenwich, Connecticut 06830 (herein called the “Lender”) the principal sum of TWENTY-FIVE MILLION DOLLARS ($25,000,000), or so much thereof as may be
advanced and remain unpaid hereunder, in lawful money of the United States of America and in immediately available funds together with all accrued interest thereon computed and payable in the manner set forth below. The unpaid principal balance of,
and all accrued interest on, this Note, unless sooner paid, shall be due and payable in full on July 5, 2007 or on such earlier date as provided herein (the “Maturity Date”). 
 1. Payments. Interest shall be payable quarterly in arrears on the 15th day of each month commencing October 15, 2006 and on maturity. The interest rate applicable at any time to the outstanding balance of the Note is herein
referred to as the “Borrowing Rate”. From the date of this Note until Maturity Date, the outstanding principal balance of this Note, as the same shall exist from time to time, shall bear interest at the Borrowing Rate equal to LIBOR
plus four hundred basis points (LIBOR + 4%). All interest on this note shall be computed on the actual number of days elapsed over a three hundred sixty (360) day year. For purposes of this Note, LIBOR shall be the thirty (30) day Libor
rate, determined as of July 5, 2006 and on the 1st day of each month thereafter so long as the Note remains
outstanding. 
 2. Payments of principal and interest of this Note are to be made in lawful money of the United States of America at the
office of the Lender or at such other place as the Lender shall have designated by written notice to the Borrower. 
 If any installment of
interest or principal on this Note is not paid by the end of ten (10) calendar days after the date it is due, the Lender may, at any time thereafter, increase the interest rate applicable to the outstanding principal balance of this Note to a
rate which is two percent (2%) in excess of the Borrowing Rate specified above otherwise applicable to the principal of this Note (the “Default Rate”). The assessment or collection of Default Rate interest shall not constitute
a waiver of any default resulting from any failure to timely pay any payment due pursuant to this Note. In no event shall the applicable rate hereunder exceed the maximum rate of interest, if any, which may be collected from the undersigned under
applicable law. In the event that any payment received by the Lender shall be deemed in excess of the maximum legal rate of interest, then the dollar amount of any interest overpayment, over and above the maximum legal interest rate collectible by
the Lender, shall be credited against the outstanding principal balance hereof. The Default Rate shall apply retroactively to the first such Event of Default and shall continue until all such Events of Default have been cured. 
 3. Advances. The Lender agrees to make advances to the Borrower at any time and from time to time after the date hereof up to Twenty-five Million
Dollars ($25,000,000). Such periodic advances shall be made upon two (2) business days’ prior written request by the 

 
Borrower. Each advance shall bear interest from the date of the advance at the rate prescribed in this Note and shall otherwise be subject to all terms and
conditions expressed herein. Each borrowing shall be in minimum multiples of One Million Dollars ($1,000,000). All borrowings under and all payments made on account of principal or interest on this Note shall be endorsed by Lender on the grid
attached hereto as ANNEX I which is part of this Note and shall constitute prima facie evidence of the accuracy of the information endorsed. 
 4. Prepayment. The Borrower may prepay this Note, in whole or in part, at any time and from time to time without penalty. Each such prepayment shall be accompanied by all accrued but unpaid interest to the date
of prepayment. All payments shall be applied first to accrued and unpaid interest and then to principal. 
 5. Commitment Fee. The
Borrower will pay the Lender a commitment fee equal to 1% of the principal amount of the loan (the “Commitment Fee”). 
 6.
Restrictions on Business; Indebtedness. Except as expressly permitted hereby, during the term of this Note, without the Lender’s prior written consent, the Borrower will not, directly or indirectly: 
 (a) create, incur, assume, guarantee, or agree to purchase or repurchase or provide funds in respect of, or otherwise become or be liable, with respect
to, directly or indirectly, any indebtedness for borrowed money, contingent or otherwise, other than: (i) this Note, (ii) any indebtedness existing as of the date hereof, and (iii) any purchase money indebtedness incurred in
connection with the purchase of goods in the ordinary course of business to the vendor of such goods; provided that notwithstanding anything to the contrary contained herein, the Borrower shall not be entitled to prepay any indebtedness for borrowed
money prior to repayment of this Note without the prior written consent of the Lender; 
 (b) merge into or consolidate with any other
corporation or sell, lease or otherwise dispose of all or any substantial part of its business or assets (other than in the ordinary course of business); 
 (c) other than as permitted by Paragraph 6(a) or 6(e), (i) make any loans or advances, purchase, otherwise acquire, invest in own any stock, obligation or other security of any corporation or other entity, or
(ii) become or be obligated to provide funds to any corporation or other entity, or become or be liable, contingently or otherwise (by guarantee, endorsement, discount, sale with recourse, repurchase agreement or otherwise) upon or with respect
to, directly or indirectly, any indebtedness, liability, obligation, stock or dividend, of any other corporation or entity; 
 (d) other than
as permitted by Paragraph 6(e), do, or authorize the taking of, any other action other than in the ordinary course of business consistent with past practice. 
 7. Representations and Warranties of the Borrower. The Borrower hereby makes the following representations and warranties to the Lender: 
 (a) The Borrower is duly organized, validly existing and in good standing under the laws of its state of organization, with all requisite power and
authority to own, operate or lease its properties and to carry on its business as now being conducted. 
  

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 (b) The execution, delivery and performance by the Borrower of this Note has been duly authorized by all
necessary action and do not and will not (i) violate the terms or provisions of or result in a default under any terms, conditions or provisions of (1) any judgment, injunction, decree, law, regulation or ruling of any court or of any
governmental authority, domestic or foreign, or order to which the Borrower is subject, or (2) any material credit or other agreement to which the Borrower is a party or any of its assets is or may be bound, or (ii) require the consent or
approval of any person or entity, other than such consents or approvals as have been obtained. 
 (c) This Note constitutes a legal, valid
and binding obligation of the Borrower, enforceable against the Borrower in accordance with its terms except to the extent that such enforcement may be limited by applicable bankruptcy, insolvency and other similar laws affecting creditors’
rights generally and by equitable principles. 
 8. Events of Default; Acceleration. The occurrence of any of the following events
shall constitute an “Event of Default”: 
 (a) if the Borrower shall default in the payment of principal on this Note when
the same becomes due and payable, whether at maturity or by acceleration or otherwise; or 
 (b) if the Borrower shall default in the payment
of any interest on this Note when the same becomes due and payable and such default shall continue more than ten (10) days or; 
 (c) if
the Borrower shall default in the performance of or compliance with any term contained in Paragraph 6 hereof and such default shall continue more than thirty (30) days after notice thereof; or 
 (d) if the Borrower shall default (as principal or guarantor, or other surety) in the payment of any principal, premium, if any, or interest on any
obligation for borrowed money; or in the payment of any obligation for the deferred purchase price of property, under a conditional sale or title retention agreement or for notes payable or drafts accepted representing extensions of credit; or in
the performance of or compliance with any agreement, term, or conditions contained in any evidence of any such obligation or of any mortgage, indenture, or other agreement relating thereto, and such default shall continue for more than the period of
grace, if any, specified therein and shall not have been waived pursuant thereto; or 
 (e) if any representation or warranty made by the
Borrower in Paragraph 7 hereof shall have been false or misleading when made; or 
 (f) if the Borrower shall (i) apply for or consent
to the appointment of, or the taking of possession by, a receiver, custodian, trustee or liquidator of such entity or person, of all or a substantial part of such entity or person’s property, (ii) make a general assignment for the benefit
of such entity or person’s creditors, or (iii) commence a voluntary case under Title 11 of the United States Bankruptcy Code or any successor thereto (the “Bankruptcy Code”), any state bankruptcy law or any law similar to
any of the foregoing; or 
  

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 (g) if a proceeding or case shall be commenced against the Borrower without the application or consent of
the Borrower in any court of competent jurisdiction, seeking (i) the liquidation, reorganization, dissolution, winding-up, or the composition or readjustment of debts of the Borrower, or (ii) the appointment of a trustee, receiver,
custodian, liquidator or the like for the Borrower under any law relating to bankruptcy, insolvency, reorganization, winding-up, or composition or adjustment of debts, or a warrant of attachment, execution or similar process shall be issued against
the property of the Borrower and such proceeding, case, warrant or process shall continue undismissed, or any order, judgment or decree approving or ordering any of the foregoing shall be entered and continue unstayed and in effect, for a period of
sixty (60) days or more days, or any order for relief against the Borrower shall be entered in an involuntary case under the Bankruptcy Code, any state bankruptcy law or any law similar to any of the foregoing. 
 Upon and after the occurrence of an Event of Default, the entire unpaid principal amount of this Note, and all accrued and unpaid interest thereon,
shall, at the option of the Lender, become immediately due and payable without further notice. The foregoing shall not preclude any other Events of Default, or remedies therefor, provided in any other documents between the Borrower and the Lender.
The Borrower hereby expressly waives notice of the exercise of such acceleration option, presentment for payment, demand, protest and further notice of any kind. The failure of Lender to exercise any of its rights and remedies shall not constitute a
waiver of the right to exercise the same at that or any other time. All rights and remedies of Lender following an Event of Default hereunder or under any of the instruments referred to herein shall be cumulative to the greatest extent permitted by
law. Time shall be of the essence in the payment of all installments of interest and principal on this Note and the performance of the Borrower’s other obligations hereunder. 
 The Borrower and endorser of this Note severally waive all notices, demands for payment, presentment for payment, notice of dishonor, notice of protest,
protest and diligence in collection as to this Note and as to each, every and all installments hereof, and agree that the granting to the Borrower, or any other party, of any extension or extensions of time for the payment of any sum or sums due
pursuant to this Note or for the performance of any covenant or condition thereof, or the taking or release of other or additional security, shall not in any way release or affect the liability of the Borrower or endorser of this Note. 

The Borrower shall have no right to set off any amounts owed under this Note against any amounts, if any, owed or claimed to be owed now or in the
future to the Borrower by Lender resulting from any claims, rights, damages, demands, causes of action or liabilities of any nature whatsoever, known or unknown, contingent or fixed, whether due or to become due, that Borrower has had, now has or
may have at any future time by reason of any cause, matter or thing. Borrower agrees that, as of the date of this Note, its obligations under this Note are not subject to any offsets or defenses against the Lender of any kind. Borrower further
agrees that its obligations under this Note shall not be subject to any counterclaims, offsets or defenses against the Lender of any kind which may arise in the future. 
  

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 9. General Provisions. 
 (a) No amendment of this Note or waiver of any provision hereunder shall be effective without the written consent of Lender. 
 (b) This Note shall be governed by, and construed in accordance with, the law of the State of New York without giving effect to the conflicts of law
principles thereof, and shall be binding upon and shall inure to the benefit of the parties hereto and their respective heirs, executors, personal or legal representatives and permitted assigns. 
 (c) THE UNDERSIGNED IRREVOCABLY AGREES THAT ALL ACTIONS OR PROCEEDINGS IN ANY WAY ARISING OUT OF OR RELATED TO THIS NOTE SHALL BE LITIGATED IN COURTS
HAVING SITUS WITHIN THE CITY OF NEW YORK, STATE OF NEW YORK. THE UNDERSIGNED HEREBY CONSENTS AND SUBMITS TO THE EXCLUSIVE JURISDICTION OF ANY STATE OR FEDERAL COURT LOCATED WITHIN SUCH CITY AND STATE AND WAIVES PERSONAL SERVICE OF ANY AND ALL
PROCESS UPON THE UNDERSIGNED AND AGREES THAT ALL SUCH SERVICE OF PROCESS MAY BE MADE BY CERTIFIED MAIL DIRECTED TO THE UNDERSIGNED AT THE LAST KNOWN ADDRESS OF THE UNDERSIGNED AS SHOWN IN THE RECORDS OF THE LENDER OR IN ANY OTHER MANNER PERMITTED BY
LAW. 
 THE UNDERSIGNED IRREVOCABLY WAIVES ANY RIGHT TO TRIAL BY JURY IN ANY ACTION OR PROCEEDING IN ANY WAY ARISING OUT OF OR RELATED TO
THIS NOTE. 
 (d) Any notice required to be given by this Note shall be in writing, and shall be delivered either; (i) by hand,
(ii) by a certified United States mail, return receipt requested, or (iii) by a commercial delivery service guaranteeing overnight delivery, in any event with postage and delivery charges prepaid. Such notice shall be deemed to have been
duly given on receipt if delivered by hand or by overnight carrier, or three business days after the date of deposit in an official depository of the United States mails if mailed. All notices shall be mailed or delivered, as aforesaid, addressed to
the parties at their respective addresses set forth above. Each party may change the address or addresses to which notice is to be delivered to it by notifying the other party of the new address or addresses in the manner provided herein for the
giving of notices and such change of address shall be effective five (5) business days after such notice is given. 
 SIGNED AND
DELIVERED as of the day and year first herein above set forth. 
  

			
	DIAMONDBACK ENERGY SERVICES LLC
		
	By:	 	 /s/ Cale M. Coulter

	Name:	 	Cale M. Coulter
	Title:	 	CFO

  

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 ANNEX I 
  

															
	 Date of Transaction
	  	Principal
Advance	  	Borrower’s
Initials
(not required)	  	Principal
Payments	  	Principal
Balance	  	Interest
Payments	  	Interest
Paid
Through
	 July 5, 2006
	  	$	7,000,000	  		  			  		  		  	
	 July 19, 2006
	  	$	7,000,000	  		  			  		  		  	
	 8-2-2006
	  	$	7,000,00	  		  			  		  		  	
	 8-30-2006
	  			  		  	$	7,000,000	  		  		  	

  

 6Lease Agreement, effective as of December 15, 2006 (Marlow property)

 Exhibit 10.11 
 LEASE AGREEMENT 
 THIS LEASE AGREEMENT (the “Lease”) is entered into and made
effective as of the 15th day of December, 2006 (the “Effective Date”), by and between CALIBER
DEVELOPMENT COMPANY LLC, a Delaware limited liability company (the “Landlord”), and DIAMONDBACK-TOTAL OKLAHOMA LLC, an Delaware limited liability company (the “Tenant”). 
 WITNESSETH: 
 WHEREAS, the Landlord
owns certain real property (consisting of approximately 24.232 acres, more or less) and improvements situated thereon that are physically located at 809 East Highway 29 Road, Marlow, Stephens County, Oklahoma 73055 and more particularly described in
Exhibit “A” attached to and made a part of this Lease (the “Property”); and 
 WHEREAS, the Landlord desires to
lease to the Tenant, and the Tenants desires to lease from the Landlord, a portion of the Property subject to the terms and conditions described in this Lease. 
 NOW, THEREFORE, in consideration of the mutual covenants and agreements set forth in this Lease, and other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the Landlord and
the Tenant agree as follows: 
 1. LEASE. The Landlord hereby leases to the Tenant, and the Tenant hereby leases from the
Landlord, the Property, subject to the terms and conditions described in this Lease. So long as the Tenant is not in default under this Lease, the Landlord covenants that the Tenant shall peacefully and quietly have, hold and enjoy the Property
during the Term. 
 2. TERM. The initial term of this Lease shall be for a period of twenty (20) years commencing from the
Effective Date (the “Initial Term”) unless earlier terminated in accordance with the terms and conditions described in this Lease. 
 2.1 Extension Term. The Tenant shall have the right to extend the Initial Term for up to two (2) additional five (5) year periods (each, an “Extension Term” and collectively with
the Initial Term and all Extension terms being collectively referred to as the “Term”) following the expiration of the Initial Term or the first Extension Term by providing the Landlord with written notice of the exercise of such
right at least thirty (30) days prior to the expiration of the Initial Term or first Extension Term, as applicable. In the event the Tenant does not exercise its right to the Extension Term, then this Lease shall expire effective as of the
expiration date of the Initial Term or the first Extension Term as applicable. 
 2.2 Terms and Conditions. All
terms and conditions in this Lease shall remain in force and effect during the Term unless otherwise agreed to in writing between the Landlord and the Tenant. 
 3. RENT. In exchange for the leasehold rights and interests in and to the Property granted to the Tenant under this Lease, the Tenant agrees to pay to the Landlord rent in the monthly amount of $12,101.46
for the Property (the “Rent”) during the Term. The Rent shall be paid on a monthly basis in advance by the first day of each month during the Term. Payment of the Rent shall be made to the Landlord at 14313 N. May Ave, Suite 100,
Oklahoma City, 

 
Oklahoma 73134, or such other place as the Landlord may designate in writing. For the month of December 2006, Rent shall be prorated to the amount of
$6,050.73 and shall be due upon execution of this Agreement. 
 3.1 Rental increase following alteration. Immediately
following the completion of a Landlord funded material alteration under Paragraph 11, Tenant agrees to pay Landlord an increased rental amount. Said increase shall be mutually agreed upon by the parties and shall be based upon the total cost of
material alterations requested by the Tenant and paid by the Landlord. 
 4. DEPOSITS. No deposit of any kind will be required in
connection with this Lease. 
 5. TITLE. No right, title or interest in or to the Property or the Property shall pass to or
otherwise be acquired by the Tenant other than the rights described in this Lease. 
 6. USE OF PROPERTY. During the Term, the
Tenant shall not use the Property for any illegal purposes or in violation of any applicable laws or regulations of any governmental body or authority. The Tenant shall not commit or cause any waste, or allow any waste to be committed or caused, on
the Property or violate any laws with respect to the Property. Further, the Tenant shall operate its business in a way to conform to all applicable health and safety standards. 
 7. ANIMALS. Except for guide, signal or service dogs in use by a blind, deaf or physically handicapped person or a watch dog used by the
Tenant, no animals shall be allowed, even temporarily, anywhere in or on the Property without the Landlord’s prior written consent, which consent may be withheld, conditioned or delayed at the Landlord’s discretion. 
 8. UTILITIES AND SERVICES. The Tenant shall be solely obligated and responsible for, and shall timely pay, all charges for utilities to the
Property including, but not limited to, the following: water, garbage, gas, electricity, telephone, cable, fuel, light, power, sewer and any other utility or service. 
 9. TAXES. During the Term, the Tenant shall be solely obligated and responsible to timely pay all taxes, assessments and charges against or involving the Property and the Tenant’s personal property on
the Property, and upon payment shall provide a copy of the receipt or other proof of payment to Landlord. 
 10. ACCESS. During
the Term, the Tenant shall allow the Landlord and its employees, agents and representatives access to the Property at all reasonable times for the purpose of inspecting the Property and any other purpose not inconsistent with this Lease. 

11. ALTERATIONS. The Tenant shall not make any material alterations, additions, installations, repairs or improvements to the Property
without the prior written consent of Landlord, which consent shall not be unreasonably withheld, conditioned or delayed. Any permitted material alterations shall be performed in a good and workmanlike quality and condition, and all costs and
expenses shall be the sole obligation of, and shall be timely paid by, the Tenant, unless otherwise agreed to in writing. Any such permitted alterations shall be in 

  

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compliance with all applicable city, state and federal ordinances, regulations and codes and shall comply with all applicable health and safety requirements.
If during the Term, an ordinance, regulation, code provision or other requirement applicable to the Property changes so as to require any additional expenditure in order to achieve compliance, such expenditure shall be paid for by the Tenant. The
Tenant shall obtain any and all necessary permits for any such permitted alterations prior to commencing the same. Upon completion, the same shall be inspected, as appropriate or as required, by the appropriate officials. Any deficiencies and/or
violations identified or noted by such officials shall be repaired, replaced and/or remedied by the Tenant at the Tenant’s sole expense and in the time frame required by such official related to such deficiency or violation or otherwise within
a reasonable time frame. Any such permitted alterations made to the Property shall remain the sole property of the Landlord upon the expiration or termination of this Lease, and the Tenant shall not be entitled to reimbursement or offset for the
same; provided, that the Tenant shall have the right to remove its fixtures and other property within a reasonable time following the expiration or termination of this Lease, provided they can be removed without damage to the property. Any damage
caused must be repaired by the Tenant. In the event that any liens or other encumbrances are filed against the Property related to or arising from any such permitted alteration, the Tenant shall be solely obligated and responsible for, and shall pay
all costs including attorneys fees and costs, associated with the immediate removal of such lien or encumbrance. 
 12.
INSURANCE. During the Term, the Tenant shall, at its sole cost and expense, procure and maintain: (i) fire and extended coverage insurance covering the Property in an amount sufficient to replace any improvements situated thereon;
(ii) commercial or comprehensive general liability insurance covering the Property in an amount of not less than One Million Dollars ($1,000,000.00) and covering for personal property damage and personal injury in an amount of not less than One
Million Dollars ($1,000,000.00); and (iii) worker’s compensation insurance as required under the laws of the State of Oklahoma, which policies shall be in a form and issued by a company reasonably acceptable to the Landlord. Such insurance
must be written on an “occurrence” as opposed to a “claims made” basis. Within ten (10) days after the Effective Date, and within thirty (30) days of the renewal date of such policy, the Tenant shall furnish to the
Landlord a certificate of the insurer showing such insurance to be in force and showing the Landlord as an additional named insured on such policy and having a loss payable clause to both the Landlord and the Tenant. Such certificate must also
evidence the issuer’s agreement to provide the Landlord with written notice at least thirty (30) days in advance of any cancellation, termination, amendment or modification to such insurance. 
 13. ASSIGNMENT. The Tenant shall not sell, pledge or otherwise encumber or grant a lien upon or against the Property or any interest in this
Lease, and the Tenant shall not sublease all or any portion of the Property or assign any of its rights, or delegate any of its duties, obligations or responsibilities, under this Lease without the Landlord’s prior written consent, which
consent may be withheld, conditioned or delayed at the Landlord’s sole discretion; provided, that the Tenant shall have the right to sublease all or part of the Property to any of its related entities or affiliates. Consent by the Landlord to
any assignment or sublease shall not be deemed to be a consent to any subsequent assignment or sublease. Any encumbrance, assignment, sublease or transfer without the prior written consent of Landlord, whether voluntarily, by operation or law or
otherwise, is void. The Tenant agrees that the Landlord may assign, sell or encumber all or any part of this Lease and the payments hereunder, and upon written notice, the Tenant shall unconditionally pay to such assignee all Rent and other sums due
under or to become due under this Lease. 
  

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 14. SUBORDINATION. The Tenant accepts this Lease subject and subordinate to any mortgage
presently existing or hereafter arising upon any of the Property and to any renewal, extension or refinancing thereof, and the Tenant agrees that any such mortgagee or lien holder shall have the right at any time to subordinate such mortgage or
other lien to this Lease on such terms and subject to such conditions as such mortgagee may deem appropriate in its discretion. The provisions of the foregoing sentence shall be self-operative and no further instrument of subordination shall be
required. The Landlord is hereby irrevocably vested with full power and authority to subordinate this Lease to any mortgage or other lien now existing or hereafter placed upon all or any part of the Property, and the Tenant agrees within twenty
(20) days after demand to execute and deliver any instrument subordinating this Lease or attorning to the holder of any such liens as the Landlord may request; provided, that the mortgagee agrees not to disturb the Tenant’s rights under
this Lease. In the event the Tenant should fail to execute any subordination or other agreement promptly as requested, the Tenant hereby irrevocably appoints and constitutes the Landlord as its attorney-in-fact to execute such instrument in the
Tenant’s name, which power is coupled with an interest and is irrevocable. The Tenant agrees to execute and deliver any certificate or statement certifying that (i) this Lease is unmodified and in full force and effect (or if there have
been modifications, that the same is in full force and effect as so modified), (ii) the expiration date of this Lease, (iii) the dates to which Rent and other charges payable under this Lease have been paid, (iv) the Tenant has
accepted possession of the Property and that any improvements required by the terms of this Lease to be made by the Landlord have been completed to the satisfaction of the Tenant, (v) no Rent has been paid more than thirty (30) days in
advance of its due date, (vi) the Landlord is not in default hereunder (or if Tenant alleges a default stating the nature of such alleged default) and (vii) such other matters as the Landlord or any mortgagee or lien holder shall
reasonably require. 
 15. CASUALTY AND CONDEMNATION. If during the Term, the Property is materially damaged or destroyed by
fire, wind, tornado or other casualty or of any actual or threatened condemnation or eminent domain by any entity or authority having such powers so as to render the Property unsuitable for occupancy, this Lease may be terminated by the Tenant upon
written notice to the Landlord. Upon such termination, the Rent shall be prorated to the date of such casualty or taking. If the Property is only partially damaged or destroyed, the Landlord shall repair, replace and reconstruct the Property to the
condition of the Property immediately preceding such casualty or taking, and Rent during such repair shall be abated on a proportionate basis. In the event of any such casualty or taking, all awards or payments related to or arising from such
casualty or taking shall be the sole property of the Landlord, except that the Tenant shall be entitled to any award or payment made for reasonable damages to personal property owned by the Tenant, moving expenses and loss of the Tenant’s
business. 
 16. MAINTENANCE AND REPAIRS. The Tenant shall be solely obligated and responsible for: (i) maintaining and
repairing any and all parts of the Property; (ii) preventing and exterminating pests in and around the Property; (iii) maintaining any and all landscaping in and around the Property; and (iv) keeping the parking lot, sidewalks and
entryways free and clear of all debris, snow and ice. 
  

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 17. NO WARRANTIES. The Landlord makes no express or implied warranty of any kind whatsoever
with respect to the Property, including, but not limited to, any warranty relating to the habitability of the Property. The Tenant hereby agrees that the Property is being leased “as is”, “where is” and “with all
faults”, and that all risks as between the Landlord and the Tenant are to be borne by Tenant. The Tenant hereby acknowledges that the Tenant has inspected the Property, knows the condition of the Property and accepts the Property in its
condition as of the Effective Date. 
 18. SIGNS. The Tenant shall have the right, at the Tenant’s sole cost and expense, to
install, erect and maintain upon the Property any signs as the Tenant may from time to time deem necessary or appropriate; provided, that any and all signs and installation shall comply with any and all applicable ordinances, rules, regulations and
laws and shall not permanently damage or injure the Property. Upon the expiration or termination of the Lease, the Tenant shall cause, at the Tenant’s sole cost and expense, all such signs to be immediately removed. If a sign is not immediately
removed upon the expiration or termination of the Lease, the sign shall become the sole property of the Landlord, and the sign will, at the Landlord’s option, be removed and disposed of by the Landlord. In the event a sign is removed by the
Landlord, the Tenant shall be solely obligated and responsible for, and shall promptly reimburse the Landlord for, the cost of the removal and disposal of any sign. 
 19. EVENTS OF DEFAULT. The occurrence of any of the following shall be an Event of Default under this Lease: (i) the Tenant’s failure to pay the Rent or any other amount to be paid by the Tenant
to the Landlord under this Lease within ten (10) days after the payment or amount is due and owing; (ii) the Landlord or the Tenant materially breaches, defaults or fails to perform (except for payments of any amounts due to the Landlord
under this Lease) any of the terms, conditions, covenants or agreements in this Lease within thirty (30) days after the breaching party receives written notice of such breach, default or failure from the non-breaching party; (iii) the
Tenant abandons, deserts or vacates the Property for more than ninety (90) days within any twelve (12) month period; or (iv) the Tenant becomes insolvent. For purposes of this Lease, a party shall be considered insolvent if the party:
(i) applies for or consents to the appointment of a receiver, trustee or liquidator of its assets or properties; (ii) admits in writing its inability to pay debts as the same mature or become due; (iii) makes a general assignment for
the benefit of creditors; (iv) has any material part of its assets or properties placed in the hands of a receiver, trustee or other officer or representative of a court or of creditors; (v) is adjudged bankrupt or institutes any voluntary
proceeding in insolvency or bankruptcy or for readjustment, extension or composition of debts or for any other relief of debtors; (vi) has any involuntary proceeding instituted against the party in insolvency or for readjustment, extension, or
composition of debts, which proceeding is not dismissed within sixty (60) days after the filing of the commencement of the same; or (vii) has an entry by any court of a final judgment against the party or the institution of any levy,
attachment, garnishment or charging order against the party. If a party is adjudged bankrupt, or a trustee in bankruptcy is appointed for a party, the Landlord and the Tenant, to the extent permitted by law, agree and covenant to request that the
trustee in bankruptcy determine within sixty (60) days thereafter whether to assume or to reject this Lease. 
 20.
REMEDIES. Upon the occurrence of any Event of Default, which is not cured within any applicable period, the non-breaching party shall be entitled to all rights and remedies allowed by law or equity. In addition, Landlord and the Tenant
shall have the following rights 

  

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and remedies, which may be pursued successively or cumulatively as the Landlord or the Tenant may elect without any notices or demands (which notices and
demands are hereby waived) as a prerequisite to the exercise of any of its rights or remedies under this Lease, other than those notices and demands specifically required under this Lease. 
 20.1 Re-enter Property. The Landlord may re-enter the Property and cure any default of the Tenant, and upon demand, the Tenant
shall immediately reimburse the Landlord for any and all costs and expenses incurred by the Landlord in curing any such as default. The Landlord shall not be liable to the Tenant for any loss or damage which the Tenant may sustain by reason of the
Landlord’s action, regardless of whether caused by the Landlord’s negligence or otherwise. 
 20.2 Terminate
Lease. The Landlord may terminate this Lease by giving written notice to the Tenant. This Lease shall terminate as of the date stated in such notice, and the Tenant shall have no further rights, duties, obligations or responsibilities under
this Lease, except accrued payment obligations and those expressly provided to survive the expiration or termination of this Lease. 
 20.3 Terminate Right to Use. The Landlord may terminate the right of the Tenant to use and possess the Property without terminating this Lease by giving written notice to the Tenant that the Tenant’s right to use and
possess shall terminate as of the date stated in such notice. If the Landlord terminates the Tenant’s right to use and possess the Property under this Section 20.3, the Landlord shall be entitled to recover from the Tenant all Rent accrued
and unpaid for the period up to and including such termination date and all other amounts due to the Landlord including, but not limited to, any and all costs and expenses, court costs and attorneys’ fees incurred by the Landlord as a result of
or connected with the Event of Default and in the enforcement of its rights and remedies under this Lease. Any termination of the Tenant’s right to use and possess the Property shall not release the Tenant, in whole or in part, from the
Tenant’s duties, obligation and responsibilities under this Lease including, but not limited to, the payment of Rent and other amounts that may become due under this Lease for the remainder of the Term. 
 20.3.1 Reletting. The Landlord may relet all or any part of the Property for such time and upon such terms as the Landlord may
determine. The Landlord shall not be required to accept any tenant offered by the Tenant or to observe any instructions given by the Tenant related to such reletting. The Landlord may make repairs, alterations and additions in or to the Property to
the extent reasonably deemed necessary or desirable by the Landlord, and the Tenant shall pay to the Landlord any and all costs and expenses incurred by the Landlord in exercising it rights and reletting the Property under this Section 22.3.
Any rents received by the Landlord from any such reletting shall be applied first to the payment of the expenses of re-entry, repairs, alterations and additions and of reletting and second, to the payment of Rent. 
 20.3.2 Excess from Reletting. Any excess amount shall operate only as an offsetting credit against the amount of Rent due and
owing as the same 

  

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becomes due and payable, and the use of such offset shall not give, or be deemed to give, the Tenant any right, title or interest in or to such excess. No
actions by the Landlord under this Section 22.3 shall be construed as an eviction (constructive or otherwise) of Tenant or as an election by the Landlord to terminate this Lease or shall operate to release the Tenant in whole or in part from
any of the Tenant’s duties, obligations or responsibilities under this Lease. The Landlord may, at any time and from time to time, sue and recover judgment for any deficiencies remaining after the application of the proceeds of any such
reletting. 
 20.4 Enforce Lease. The Landlord or the Tenant may enforce the provisions of this Lease and may
enforce and protect their respective rights under this Lease by a suit or suits in equity or at law for the specific performance of any covenant or agreement contained in this Lease, or for the enforcement of any other appropriate legal or equitable
remedy, including recovery of all moneys due or to become due from a party to the other. 
 20.5 Property
Removed. All property of the Tenant removed from the Property by the Landlord under this Lease or applicable law may be handled, removed or stored by the Landlord at the cost and expense of the Tenant, and the Landlord shall not be
responsible in any event for the value, preservation or safekeeping thereof. The Tenant shall pay the Landlord for any and all expenses incurred by the Landlord related to the removal and storage of such property. All property not removed from the
Property or retaken from the Landlord by the Tenant within thirty (30) days after the end of the Term or the termination of the Tenant’s right to use or possess the Property shall be conclusively deemed to have been conveyed by the Tenant
to the Landlord as by bill of sale without further payment or credit by the Landlord to the Tenant. 
 21. INDEMINIFICATION. In
addition to any other indemnification obligations of the Tenant under this Lease, the Tenant agrees and covenants to indemnify, defend, hold harmless, save, discharge and release the Landlord and its shareholders, partners, members, directors,
managers, officers, employees, agents, successors and assigns from and against any payments, charges, judgments, assessments, losses, damages, liabilities, claims, demands, actions, penalties, fines or costs and expenses (including attorneys fees,
costs, fees of experts and any legal or other expenses reasonably incurred in connection therewith) of any type or nature whatsoever arising from, based upon, related to or associated with any use, possession or occupancy of the Property by the
Tenant or its shareholders, directors, employees, agents, licensees or invitees, except any such actions resulting from the negligence of, or failure to perform by, the Landlord. The indemnification obligations under this Section 23 shall
survive the expiration or termination of this Lease for a period of two (2) years. 
 22. SURRENDER OF PROPERTY. The Tenant
shall, upon the expiration or termination of this Lease, surrender possession of, vacate and deliver possession of the Property to the Landlord in good condition, reasonable wear and tear excepted. 
 23. HOLDOVER BY TENANT. Should the Tenant remain in possession of the Property after the natural expiration of the Term, a tenancy at will on
a month-to-month basis shall be created between the Landlord and the Tenant which shall be subject to all terms and conditions hereof but shall be terminated on thirty (30) days written notice served by the Landlord or the Tenant to the other
party. 
  

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 24. ENTIRE AGREEMENT;AMENDMENT. This Lease and the exhibits and schedules attached hereto
constitute the entire agreement between the Landlord and the Tenant with respect to the subject matter of this Lease and supersede any and all prior understandings, agreements or representations by or between the Landlord and the Tenant, whether
written or oral, related in any way to the subject matter of this Lease. This Lease may be amended or modified only if done in writing and signed by the Landlord and the Tenant. 
 25. BINDING EFFECT. This Lease shall be binding upon, and shall inure to the benefit of, the Landlord, the Tenant and their respective
successors and permitted assigns. 
 26. HEADINGS. The headings contained in this Lease are inserted for convenience only and
shall not affect in any way the meaning or interpretation of this Lease. 
 27. MULTIPLE COUNTERPARTS. This Lease may be executed
in one or more counterparts, by facsimile or otherwise, each of which shall be deemed an original but all of which together will constitute one and the same instrument. 
 28. CONSTRUCTION. In the event an ambiguity or question of intent or interpretation arises, this Lease shall be construed as if drafted by the Landlord and the Tenant, and no presumption or burden of proof
shall arise favoring or disfavoring any party by virtue of the authorship of any of the provisions of this Lease. 
 29.
NOTICES. Any notices or other communications required or permitted to be given by this Lease must be (i) given in writing and (ii) personally delivered or mailed by prepaid mail or overnight courier, or by fax delivered or
transmitted to the party to whom such notice or communication is directed, to the address of such party as follows: 
  

			
	To Landlord:	  	Caliber Development Company LLC
		  	Attn: Joel H. McNatt
		  	Oklahoma City, Oklahoma 73134
		  	Fax No.: (405) 848-8816
		
	To Tenant:	  	Diamondback-Total Oklahoma LLC
		  	Attn: Steve Gelnar
		  	510 East Memorial Road, Suite B-2
		  	Oklahoma City, Oklahoma 73114
		  	Fax No.: (405) 242-4081

 Any such notice or communication shall be deemed to have been given on (i) the day such
notice or communication is personally delivered, (ii) three (3) days after such notice or communication is mailed by prepaid certified or registered mail, (iii) one (1) working day after such notice or communication sent by
overnight courier, or (iv) on the day such notice or communication is faxed and the sender has received a confirmation of such fax. Any party may, for purposes of this Lease, change its address, fax number, or the person to whom a notice or
other communication is marked to the attention of, by giving notice of such change to the other parties pursuant hereto. 
  

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 30. SEVERABIITY. If any provision contained in this Lease shall for any reason be held to be
invalid, illegal, void or unenforceable in any respect, such provision shall be deemed modified so as to constitute a provision conforming as nearly as possible to the invalid, illegal, void or unenforceable provision while still remaining valid and
enforceable and the remaining terms or provisions contained herein shall not be affected thereby. 
 31. WAIVER. Any waiver by
any party of a breach of any provision of this Lease shall not operate as or be construed to be a waiver of any other breach of any other provision of this Lease. Failure by any party to insist upon strict adherence to any term of this Lease on one
or more occasions shall not be considered a waiver or deprive such party of the right thereafter to insist upon strict adherence to that term or any other term of this Lease. The terms and provisions of this Lease, whether individually or in their
entirety, may only be waived in writing and signed by the party against whom or which the enforcement of such waiver is sought. No right, remedy or election given by any term of this Lease or made by a party hereto shall be deemed exclusive, but
shall be cumulative with all other rights, remedies and elections available at law or in equity. 
 32. PREVAILING PARTY. In the
event that the Landlord or the Tenant brings any suit, action or proceeding against the other party for any reason arising from or related to this Lease, then the prevailing party shall be entitled to recover from the other party any and all costs
and expenses, including reasonable attorney fees, arising from or related to the suit, action or proceeding. 
 33. PLURAL;
GENDER. Words used in this Lease in the singular, where the context so permits, shall be deemed to include the plural and vice versa. Words used in the masculine or the feminine, where the context so permits, shall be deemed to mean the
other and vice versa. The definitions of words in the singular in this Lease shall apply to such words when used in the plural where the context so permits and vice versa, and the definitions of words in the masculine or feminine in this Lease shall
apply to such words when used in the other form where the context so permits and vice versa. Any and all exhibits and schedules described in this Lease are hereby incorporated by reference into this Lease and made a part of this Lease. Any reference
in this Agreement shall mean the section number in this Agreement unless otherwise expressly stated. 
 34. TIME OF THE
ESSENCE. The Landlord and the Tenant agrees that time is of the essence to this Lease and all of its terms and conditions. 
 35.
GOVERNING LAW; VENUE; JURISDICTION. All issues and questions concerning the construction, validity, enforcement and interpretation of this Lease shall be governed by, and construed in accordance with, the laws of the State of Oklahoma,
without giving effect to any choice of law or conflict of law rules or provisions (whether of the State of Oklahoma or any other jurisdiction) that would cause the application of the laws of any jurisdiction other than the State of Oklahoma. The
Landlord and the Tenant further agree that any dispute arising out of this Lease shall be decided by either the state or federal court in 

  

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Oklahoma County, Oklahoma County, Oklahoma. The Landlord and the Tenant shall each submit to the jurisdiction of those courts and agree that service of
process by certified mail, return receipt requested, shall be sufficient to confer said courts with in personam jurisdiction. 
 IN WITNESS
WHEREOF, the Landlord and the Tenant have executed and delivered this Lease as of the day and year first written above. 
  

					
	 “LANDLORD”
	 	CALIBER DEVELOPMENT COMPANY LLC
			
		 	By:	 	 /s/ JADE NOLES

		 	Name:	 	Jade Noles
		 	Title:	 	President
		
	 “TENANT”
	 	DIAMONDBACK-TOTAL OKLAHOMA LLC
			
		 	By:	 	 /s/ MIKE TERRY

		 	Name:	 	Mike Terry
		 	Title:	 	Executive Vice President

  

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 EXHIBIT “A” 
 LEGAL DESCRIPTION 
 1. A tract of land described as beginning 341.96 feet South
00°04’20” East and 35.43 feet North 90°00’00” East of the Northeast Corner of the Southwest Quarter of Section Sixteen (16), Township Two (2) North, Range Seven (7) West, of the Indian Meridian, Stephens County,
Oklahoma, thence South 37°58’16” East a distance of 417.84 feet to a point; thence South 49°28’30” West a distance of 626.75 feet to a point; thence North 37°58’16” West a distance of 417.84 feet to a point;
thence North 49°28’30” East a distance of 626.75 feet to the point of beginning. Containing 6.012 acres, more or less; AND 
 2. A tract of land described as beginning 341.96 feet South 00°04’20” East and 35.43 feet South 89°38’56” East of the Northeast Corner of the Southwest Quarter of Section Sixteen (16), Township Two
(2) North, Range Seven (7) West, of the Indian Meridian, Stephens County, Oklahoma, thence North 49°22’57” East a distance of 269.39 feet to a point; thence South 37°58’16” East a distance of 697.33 feet to a
point; thence South 49°28’30” West a distance of 895.99 feet to a point on the East Right-of-Way line of State Highway 29; thence North 37°47’34” West along said highway right-of-way a distance of 279.09 feet to a point;
thence North 49°28’30” East a distance of 625.75 feet to a point; thence North 37°58’16” West a distance of 417.84 feet to the point of beginning. Containing 8.31 acres, more or less; AND 
 3. A tract of land described as beginning 669.31 feet South 89°53’29” East and 715.22 feet South of the Northeast Corner of the Southwest
Quarter of Section Sixteen (16), Township Two (2) North, Range Seven (7) West, of the Indian Meridian, Stephens County, Oklahoma, thence South 37°58’16” East a distance of 485.54 feet to a point; thence South
49°28’30” West a distance of 884.66 feet to a point on the East Right-of-Way line of State Highway 29; thence in a Northwesterly direction on a curve to the right, having a radius of 2759.79 feet, a distance of 258.95 feet to a point;
thence North 37°47’34” West along said highway right-of-way a distance of 226.46 feet to a point; thence North 49°28’30” East a distance of 895.99 feet to the point of beginning. Containing 9.91 acres, more or less.

  

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