Document:

Sixteenth Supplemental Indenture

 Exhibit 4.4 

SIXTEENTH SUPPLEMENTAL INDENTURE 
 This SIXTEENTH SUPPLEMENTAL INDENTURE, dated as of February 28, 2012, among Silver Stream Pipeline Company LLC, a Delaware limited liability company (the “Guaranteeing Subsidiary”),
a subsidiary of Quicksilver Resources Inc. (or its permitted successor), a Delaware corporation (the “Company”), the Company, the other Subsidiary Guarantors (as defined in the Indenture referred to herein) and The Bank of New York
Mellon Trust Company, N.A., as Trustee. 
 W I T NE S S E T H 

WHEREAS, the Company and the Trustee entered into an Indenture (the “Original Indenture”), dated as
of December 22, 2005, as supplemented by an Eighth Supplemental Indenture, dated as of August 14, 2009 among the Company, the Subsidiary Guarantors and the Trustee (the “Eighth Supplemental Indenture”) and a Twelfth
Supplemental Indenture, dated as of December 23, 2011 among the Company, the Subsidiary Guarantors and the Trustee (the “Twelfth Supplemental Indenture”); and together with the Original Indenture and the Eighth Supplemental
Indenture, the “Indenture”), pursuant to which the Company has issued $300,000,000 of aggregate principal amount of 9 1/8% Senior Notes due 2019 (the “Notes”); 
 WHEREAS, Section 5.01(b) of the Eighth Supplemental Indenture provides that the Company, the Subsidiary Guarantors and the Trustee may amend or supplement the Indenture in order to add Subsidiary
Guarantees with respect to the Notes, without the consent of the Holders; and 
 WHEREAS, all acts and things prescribed by the
Indenture, by law and by the certificate of incorporation and the bylaws (or comparable constituent documents) of the Company, the Subsidiary Guarantors, the Guaranteeing Subsidiary and the Trustee necessary to make this Supplemental Indenture a
valid instrument legally binding on the Company, the Subsidiary Guarantors, the Guaranteeing Subsidiary and the Trustee, in accordance with its terms, have been duly done and performed; 

NOW THEREFORE, to comply with the provisions of the Indenture, and in consideration of the foregoing, the Guaranteeing Subsidiary, the
Company, the Subsidiary Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders as follows: 
 ARTICLE 1 
 Section 1.01 This Supplemental Indenture is supplemental
to the Indenture and does and shall be deemed to form a part of, and shall be construed in connection with and as part of, the Indenture for any and all purposes. 
 Section 1.02 This Supplemental Indenture shall become effective immediately upon its execution and delivery by the Guaranteeing Subsidiary, the Company, the Subsidiary Guarantors and the Trustee.

 ARTICLE 2 
 Section 2.01 The Guaranteeing Subsidiary hereby agrees to be bound by the terms, conditions and other provisions of the Indenture with all attendant rights, duties and obligations stated therein, on
a joint and several basis with the Subsidiary Guarantors parties hereto and thereto, with the same force and effect as if originally named as a Subsidiary Guarantor therein and as if such party executed the Indenture on the date thereof. 

ARTICLE 3 

Section 3.01 Except as specifically modified herein, the Indenture and the Notes are in all respects ratified and confirmed (mutatis
mutandis) and shall remain in full force and effect in accordance with their terms. 
 Section 3.02 All capitalized terms
used but not defined herein shall have the same respective meanings ascribed to them in the Indenture. 
 Section 3.03
Except as otherwise expressly provided herein, no duties, responsibilities or liabilities are assumed, or shall be construed to be assumed, by the Trustee by reason of this Supplemental Indenture. This Supplemental Indenture is executed and accepted
by the Trustee subject to all of the terms and conditions set forth in the Indenture with the same force and effect as if those terms and conditions were repeated at length herein and made applicable to the Trustee with respect hereto. 

Section 3.04 THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

 Section 3.05 The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an
original, but all of them together represent the same agreement. 
 Section 3.06 The headings herein are inserted for
convenience of reference only and are not intended to be part of, or to affect the meaning or interpretation of, this Supplemental Indenture. 
 Section 3.07 The recitals hereto are statements only of the Company, the Subsidiary Guarantors and the Guaranteeing Subsidiary and shall not be considered statements of or attributable to the
Trustee. 
 Section 3.08 The Guaranteeing Subsidiary hereby designates the obligations with respect to the Notes and the
Subsidiary Guarantees as Senior Indebtedness which is senior in right of payment in full to any Subordinated Obligation of the Company or any Subsidiary Guarantor. The Guaranteeing Subsidiary further designates the obligations with respect to the
Notes and the Subsidiary Guarantees as “Designated Senior Indebtedness” (as defined by the (i) 2024 Convertible Subordinated Debentures Indenture and (ii) the 2016 Senior Subordinated Notes Indenture) for all purposes under
(x) the 2024 Convertible Subordinated Debentures Indenture and (y) the 2016 Senior Subordinated Notes Indenture, with respect to the Notes and the Subsidiary Guarantees, respectively. 

[Signature Pages Follow] 

  
 2 

 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed and attested, all as of the date first above written. 
  
  

 

			
	SILVER STREAM PIPELINE COMPANY LLC
		
	By:	 	 QUICKSILVER RESOURCES INC.,

its member

		
	By:	 	/s/ Glenn Darden
		 	Name: Glenn Darden
		 	Title:   President and Chief Executive Officer
	
	 QUICKSILVER RESOURCES INC.

		
	 By:
	 	/s/ Glenn Darden
		 	Name: Glenn Darden
		 	Title:   President and Chief Executive Officer
	
	 COWTOWN PIPELINE FUNDING, INC.

		
	 By:
	 	/s/ Glenn Darden
		 	Name: Glenn Darden
		 	Title:   President and Chief Executive Officer
	
	 COWTOWN PIPELINE MANAGEMENT, INC.

		
	 By:
	 	/s/ Glenn Darden
		 	Name: Glenn Darden
		 	Title:   President and Chief Executive Officer

 [Signature Page to Sixteenth Supplemental Indenture] 

  
 3 

 
			
	 COWTOWN PIPELINE L.P.

		
	 By:
	 	 COWTOWN PIPELINE MANAGEMENT, INC.,
 its general partner

		
	 By:
	 	/s/ Glenn Darden
		 	 Name: Glenn Darden

		 	 Title:   President and Chief Executive Officer

	
	 COWTOWN GAS PROCESSING L.P.

		
	 By:
	 	COWTOWN PIPELINE MANAGEMENT, INC., its general partner
		
	 By:
	 	/s/ Glenn Darden
		 	 Name: Glenn Darden

		 	 Title:   President and Chief Executive Officer

	
	BARNETT SHALE OPERATING LLC
		
	By:	 	QUICKSILVER RESOURCES INC., its member
		
	By:	 	/s/ Glenn Darden
		 	Name: Glenn Darden
		 	Title:   President and Chief Executive Officer
	
	THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as Trustee
		
	By:	 	/s/ Rafael Martinez
		 	Name: Rafael Martinez
		 	Title:   Senior Associate

 [Signature Page to Sixteenth Supplemental Indenture] 

  
 4Offer Letter

 Exhibit 10.1 

 

			
	 George Blankenship
	  	                        May 6,
2010

 Dear George: 
 Tesla Motors, Inc. (“Tesla” or the “Company”) is pleased to offer you the position of Vice President of Store Development and Design on the terms set forth below. 

As Vice President of Store Development and Design, you will perform the duties customarily associated with this position. You will report
to Elon Musk, Chairman, Product Architect and CEO. Your duties, responsibilities, job title, and work location may be changed at any time by Tesla. 
 Your salary will be $300,000 per year, subject to standard payroll deductions and withholdings. As an exempt employee, you will not be entitled to overtime. You will be eligible for vacation and sick
leave according to Tesla’s standard policy. You will also be eligible to receive all other benefits Tesla may provide to its employees (e.g., health and dental insurance coverage) after your enrollment on June 1, 2010. Tesla may consider
you for bonuses, although the amount of such bonuses, if any, and the criteria for determining the award of such bonuses, if any, shall be in the sole discretion of Tesla. Of course, Tesla reserves the right to modify your compensation and benefits
from time to time, as it deems necessary. The effective date of your employment will be May 10, 2010. 
 In addition, Tesla
will pay you a sign-on bonus of $100,000 (less standard payroll deductions and withholdings) within 30 days after July 1, 2010. In the event your employment is terminated by either party for any reason within two years of your start date, you
will be required to refund to Tesla a pro-rata amount based on the number of months of service to Tesla (based on a fraction of a numerator of 24 minus the number of calendar months worked at Tesla, and denominator is 24, limes the original bonus
amount). You also acknowledge and agree that Tesla is free to deduct any amounts repayable to Tesla from any final paycheck issued to you. 
 Tesla Motors, Inc. offers a competitive benefits package described below: 
 Stock Options: Subject to the approval of Tesla’s Board of Directors, you will be granted a stock option to purchase an aggregate of 300,000 shares of Tesla’s Common Stock pursuant to
Tesla’s Equity Incentive Plan then in effect. Your stock options will vest commencing upon your first day of employment (1/4th of the shares vest one year after the Vesting Commencement Date, and 1/48th of the shares vest monthly thereafter
over the next three years). 
 In addition, and also subject to the approval of Tesla’s Board of Directors,
you will be granted a stock option to purchase an aggregate of 100,000 shares of Tesla’s common stock pursuant to Tesla’s Equity Incentive Plan then in effect. Such option grants will vest commencing upon your first day of employment;
however, none of the options will vest commencing upon your first day of employment; however, none of the options will vest unless and until completion of production of the 10,000th Model S vehicle as determined by the Board. On such date of the
completion of production of the 10,000th Model S vehicle as determined by the Board, 100% of the shares subject to the option will vest, subject to achievement on or prior to the fourth (4th) anniversary of the date of grant and subject to you
remaining in continuous service (as defined in the Equity Incentive Plan) through the applicable vesting date. 

 401K Program: You will be eligible to sign up for Tesla’s 401K
program after your first pay check. Our 401K program is administered by Fidelity Investments. 
 Vacation
Program: Tesla offers regular full-time employees and part-time employees who work 20 hours per week are eligible for PTO immediately and accrue PTO at 1.25 days per month (for a total of 15 days per calendar year). 

By accepting this offer, you represent and warrant that your employment with Tesla will not violate any agreements, obligations or
understandings that you may have with any third party or prior employer. We want to emphasize that we do not wish you to bring any confidential or proprietary materials of any former employer which would violate any obligations you may have to your
former employer. You further represent and warrant that you have read, understand, and accept the terms of your Stock Option Agreement, In particular, the vesting schedule of the shares of Tesla’s Common stock thereof. You agree not to make any
unauthorized disclosure to Tesla or use on behalf of Tesla any confidential Information belonging to any of your former employers (except in accordance with agreements between Tesla and any such former employer). You also warrant that you do not
possess any property containing a third party’s confidential and proprietary information. Of course, during your employment with Tesla, you may make use of information generally known and used by persons with training and experience comparable
to your own, and information which is common knowledge in the industry or is otherwise legally available in the public domain. 

As a Tesla employee, you will be expected to abide by all Tesla policies and procedures, and, as a condition of your employment, you will
sign and comply with Tesla’s standard confidentiality agreement which prohibits unauthorized use or disclosure of Tesla confidential information or the confidential information of Tesla’s clients. 

You may terminate your employment with Tesla at any time and for any reason whatsoever simply by notifying Tesla. Likewise, Tesla may
terminate your employment at any time and for any reason whatsoever, with or without cause or advance notice. This at-will employment relationship cannot be changed except by a writing authorized on behalf of an officer of Tesla. 

To ensure the rapid and economical resolution of disputes that may arise in connection with your employment with Tesla, you and Tesla
agree that any and all disputes, claims, or causes of action, in law or equity, arising from or relating to your employment, or the termination of your employment, will be resolved, to the fullest extent permitted by law per Attachment A.

 This letter agreement constitutes the complete, final and exclusive embodiment of the entire agreement between you and Tesla
with respect to the terms and conditions of your employment, and it supersedes any other agreements or promises made to you by anyone, whether oral or written. This Agreement cannot be changed, amended, or modified except in a written agreement
signed by an officer of Tesla. This letter agreement shall be construed and interpreted in accordance with the laws of the State of California. 
 This offer of employment is contingent upon the following: 

•            Your ability to provide and maintain the proper and
necessary documentation required for you and Tesla to comply with all applicable United States Immigration laws and regulations. Please be prepared on your first day of employment to show specific documentation to certify your legal right to work in
the United States. 
 •            Your execution (signature) of
the Tesla Employee Agreement which protects the intellectual property and confidential information of Tesla, and prohibits the unauthorized use of the intellectual property and confidential Information of any other company. 

	 	 •
	 	 The satisfactory review and/or verification of background infom1ation, including, but not limited to, prior employment, reference checks, education,
Department of Motor Vehicles, Social Security, and criminal records. 

 If you choose to accept our offer under
the terms described above, please indicate your acceptance, by signing below and returning it to me prior to May 10, 2010 after which date this offer will expire. 
 We look forward to your favorable reply and to a productive and enjoyable work relationship. 
  

	
	 Very truly yours,
 Tesla Motors, Inc.

	
	 /s/ Elon Musk

	
	 Elon Musk
 Chairman of the Board and CEO

  
 Accepted by: /s/ George
Blankenship 
 Date: 05/06/2010 

 ARBITRATION AGREEMENT 

To ensure the rapid and economical resolution of disputes that may arise in connection with your employment with Tesla, you and Tesla
agree that any and all disputes, claims, or causes of action, in law or equity, arising from or relating to your employment, or the termination of your employment, will be resolved, to the fullest extent permitted by law by final, binding and
confidential arbitration in San Francisco, California conducted by the Judicial Arbitration and Mediation Services/Endispute, Inc. (“JAMS”), or its successors, under the then current rules of JAMS for employment disputes; provided that:

  

	 	 a.
	 The arbitrator shall have the authority to compel adequate discovery for the resolution of the dispute and to award such relief as would otherwise
be permitted by law; and 

  

	 	 b.
	 The arbitrator shall issue a written arbitration decision including the arbitrator’s essential findings and conclusions and a statement of the
award; and 

  

	 	 c.
	 Both you and Tesla shall be entitled to all rights and remedies that you or Tesla would be entitled to pursue in a court of law; and

  

	 	 d.
	 Tesla shall pay all fees in excess of those which would be required if the dispute was decided in a court of law. 

Nothing in this Agreement is intended to prevent either you or Tesla from obtaining injunctive relief in court to prevent irreparable
harm pending the conclusion of any such arbitration. Notwithstanding the foregoing, you and Tesla each have the right to resolve any issue or dispute arising under the Proprietary Information and Inventions Agreement by Court action instead of
arbitration. 
 Arbitrable claims do not include, and this Agreement does not apply to or otherwise restrict, administrative
claims you may bring before any government agency where, as a matter of law, the parties may not restrict your ability to file such claims (including the Equal Employment Opportunity Commission and the National Labor Relations Board). Otherwise, it
is agreed that arbitration shall be the exclusive remedy for administrative claims.

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