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Exhibit 10.7    
    

 
 

ASSIGNMENT AND ASSUMPTION AGREEMENT    
    

        This Assignment and Assumption Agreement (this "Assignment"), dated as of May 18, 2004, is made by and between EQT Investments, LLC, a Delaware limited
liability company ("Assignor"), and EQT Holdings Company, LLC, a Delaware limited liability company and the wholly-owned subsidiary of Assignor ("Assignee"). 

WITNESSETH:  

        WHEREAS, Assignor is making a capital contribution to Assignee consisting of, among other things, the 11,527,971 shares of common stock of Westport Resources
Corporation (the "WRC Shares") held beneficially and of record by Assignor; 

        WHEREAS,
in connection with such capital contribution Assignor desires to assign to Assignee, and Assignee desires to assume from Assignor, all of Assignor's rights and obligations under
certain agreements relating to the WRC Shares. 

        NOW,
THEREFORE, in consideration of the premises the parties hereto do hereby agree as follows: 

	1.
	Assignment of WRC Shares. Assignor hereby irrevocably assigns, transfers and conveys to Assignee as a capital contribution all its
right, title and interest in and to the WRC Shares.

	2.
	Assignment of Related Rights and Obligations. Assignor hereby irrevocably assigns, transfers and conveys to Assignee, and Assignee herby
assumes from Assignor, all of Assignor's rights and obligations under and in connection with the following:

	a)
	Registration
Rights Agreement, dated as of October 1, 2003, by and among Westport Resources Corporation, Westport Energy LLC, Assignor, Medicor Foundation and the persons and
entities named on Exhibit A thereto;

	b)
	Voting
Agreement, dated as of April 6, 2004, among Kerr-McGee Corporation and Assignor;

	c)
	Termination
Agreement, dated as of April 6, 2004, by and among Westport Resources Corporation, Westport Energy LLC, Assignor, Medicor Foundation, and certain persons named on
Exhibit A thereto; and

	d)
	Registration
Rights Agreement, dated as of April 6, 2004, by and among Kerr-McGee Corporation, Westport Energy LLC, Medicor Foundation and Assignor. 

(collectively,
the "Assumed Contracts"). Assignee hereby assumes and agrees to timely pay, perform, satisfy, and discharge all of Assignor's obligations under the Assumed Contracts if, as and when due
in accordance with the terms thereof. 

	3.
	With
respect to the Termination and Voting Agreement (the "Termination and Voting Agreement" and, together with the Assumed Contracts, the "Subject Contracts"), dated as of
October 1, 2003, by and among Westport Resources Corporation, Westport Energy LLC, Assignor, Medicor Foundation and the persons and entities named on Exhibit A thereto,
(a) Assignor agrees to promptly seek the consents required pursuant to Section 4.7 of the Termination and Voting Agreement in order to duly assign, transfer and convey to Assignee all of
Assignor's rights and obligations under the Termination and Voting Agreement (the "Required Consents"), (b) upon receipt of the Required Consents and without further action by either party
hereto, all of Assignor's rights and obligations under the Termination and Voting Agreement shall be assigned, transferred and conveyed to and assumed by Assignee, and (c) during the period
between the date hereof and the date of receipt of the Required Consents, Assignor agrees to consult with, and duly consider the interests of, the Assignee, prior to exercising any right or performing
any duty under the Termination and Voting Agreement. 

 

	4.
	Representations and Warranties of Assignor. Assignor hereby represents and warrants, as of the date hereof that:

	a)
	It
owns its right, title and interest in and to the WRC Shares and the Subject Contracts free and clear from any lien or adverse claim; 
	b)
	A
true and correct copy of each Subject Contract has been provided to Assignee; and 
	c)
	No
default on the part of Assignor has occurred in connection with any Subject Contracts.

	5.
	Miscellaneous.

	a)
	This
Assignment supersedes any prior understandings or oral agreements among the parties respecting the subject matter hereof and constitutes the entire understanding and agreement
among the parties with respect to the subject matter of this Agreement.

	b)
	This
Assignment shall be governed by and construed in accordance with laws of the State of Nevada.

	c)
	The
parties hereto covenant and agree that they will execute such further instruments and documents as are or may be necessary or convenient to effectuate and carry out the transaction
contemplated by this Assignment.

	d)
	This
Assignment shall be binding upon and insure to the benefit of the parties hereto and their respective successor, and assigns.

	e)
	This
Assignment may be executed in counterparts, each of which shall be deemed an original, but all of which together shall constitute one document. 

        IN
WITNESS WHEREOF, the undersigned have executed this Assignment and Assumption Agreement as of the date first written above. 

	EQT INVESTMENTS, LLC	 	 
	

By:	
 	

/s/  KENNETH J. KUBACKI      
	
 	

 
	

Its:	
 	

Vice President
	
 	

 
	

EQT HOLDINGS COMPANY, LLC	
 	

 
	

By:	
 	

/s/  MONTE L. MILLER      
	
 	

 
	

Its:	
 	

Treasurer
	
 	

 

2

 
 

Consent    
    

        Reference is made to the Voting Agreement, dated as of April 6, 2004, by and among Kerr-McGee Corporation and EQT Investments, LLC
("EQTIL"). EQTIL has entered into an assignment and assumption agreement (a copy of which has been provided to the undersigned) pursuant to which EQTIL has agreed to assign to EQT
Holdings Company, LLC ("Holdings"), an indirect wholly-owned subsidiary of Equitable Resources, Inc., all of EQTIL's rights and obligations under the Voting Agreement. By
executing this Consent the undersigned hereby agrees to EQTIL's assignment to Holdings as described above. 

        Dated:
May 18, 2004 

	 	 	KERR-MCGEE CORPORATION
	

 	
 	

By:	
 	

/s/  GREGORY F. PILCHER      

	 	 	Name:	 	Gregory F. Pilcher

	 	 	Title:	 	Senior Vice President, General

Counsel & Secretary

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Exhibit 10.7

ASSIGNMENT AND ASSUMPTION AGREEMENT

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Exhibit 4.1    
    

Number 

Common Stock

    Shares          

SEE REVERSE SIDE FOR

CERTAIN DEFINITIONS 

S E N T O
  INCORPORATED UNDER THE LAWS OF THE STATE OF UTAH • TRANSFERABLE IN THE CITY OF SALT LAKE CITY, UTAH 

CUSIP
816918 10 6

CUSIP 816918 20 5 

	
 	
 	

 	
 	

 
	THIS CERTIFIES THAT	 	SEE LEGEND ENDORSED ON REVERSE SIDE	 	 
	

 	
 	

*****RESTRICTED SECURITIES******	
 	

 
	

 	
 	
[Name]	
 	

 
	
IS THE RECORD HOLDER OF        [Number of Shares]
	

FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK $.25 PAR VALUE OF
	

 	
 	
SENTO CORPORATION	
 	

 

transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of this
Certificate properly endorsed. This Certificate is not valid until countersigned by the Transfer Agent and Registered by the Registrant.  

        Witness the facsimile seal of the Corporation and the facsimile signatures of its duly authorized
officers. [CERTIFICATE OF STOCK] 

Dated: [Date]  

COUNTERSIGNED AND REGISTERED

AMERICAN STOCK TRANSFER & TRUST COMPANY

TRANSFER AGENT

AND REGISTRANT 

	
 [/s/ Stanley J. Cutler]

SECRETARY	
 	
[CORPORATE SEAL]	
 	
BY	

AUTHORIZED OFFICER 

SENTO CORPORATION  

        A statement of the rights, preferences, privileges and restrictions granted to or imposed upon the respective classes or series of shares of stock of the
Corporation and upon the holders thereof as established by the Restated Articles of Incorporation, as amended, or by any statement of determination of preferences, and the number of shares
constituting each series or class and the designations thereof, may be obtained by any shareholder of the Corporation upon request and without charge from the Secretary of the Corporation at the
principal office of the Corporation. 

        The
Board of Directors of the Corporation has authority to determine or alter the rights, preferences, privileges and restrictions to be granted to or imposed upon any wholly unissued
series of Preferred Shares, and to fix the number of hares constituting any such series and the designation thereof, in accordance with the provisions of Article III of the Restated Articles of
Incorporation, as amended. 

        The
following abbreviations, when used in the inscription on the face of the certificate, shall be construed as though they were written out in full according to applicable laws or
regulations: 

	

 	
 	

TEN COM	

-	

as tenant in common	
 	

UNIF GIFT MIN ACT	

 	

Custodian	

 
	 	 	TEN ENT	-	as tenants by the entireties	 	 	(Cust)	 	(Minor)
	 	 	JT TEN	-	as joint tenants with right of

survivorship and not as tenants in common	 	 	under Uniform Gifts to Minors

Act(State)
	 	 	 	 	 	 	UNIF TFR MIN ACT	 	Custodian (until age)
	 	 	 	 	 	 	 	(Cust)	 	 
	 	 	 	 	 	 	 	under Uniform Transfers

(Minor)

to Minors Act

            (State)

Additional abbreviations may also be used 

FOR VALUE RECEIVED,                        hereby sell, assign and transfer unto 

PLEASE INSERT SOCIAL SECURITY OR OTHER

        IDENTIFYING NUMBER OF ASSIGNEE 

	

  
	
 	

 
	

  
(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)
	

  

	

  

	

	

Shares
	of the common stock represented by the within Certificate, and do hereby Irrevocably constitute and appoint
	

	

Attorney
	to transfer the said stock on the books of the within named Corporation with full power of substitution in the premises.

	

Dated	

	
 	

 	

 
	

 	

 	
 	

X	

	

 	

 	
 	

X	

	 	 	 	NOTICE: THE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME(S) AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERNATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.
	

Signature(s) Guaranteed	
 	
THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933. THE SHARES HAVE BEEN ACQUIRED FOR INVESTMENT AND MAY NOT BE SOLD,
TRANSFERRED OR ASSIGNED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FOR THESE SHARES UNDER THE SECURITIES ACT OF 1933 OR AN OPINION OF THE COMPANY'S COUNSEL THAT REGISTRATION IS NOT REQUIRED UNDER THE SAID ACT.

	

By	

	
 	

 
	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR, INSTITUTION(BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT
TO SEC RULE 17Ad-15.	 	 

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Exhibit 4.1

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