FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  	OMB APPROVAL
OMB Number: 3235-0287
Expires: February 28, 2011 
Estimated average burden
hours per response... 0.5	
                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public
Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

Yorktown V CO LLC	2. Issuer Name and Ticker or Trading Symbol

CONCHO RESOURCES INC [ CXO ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      __ X __ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)	
(Last)          (First)          (Middle)

410 PARK AVENUE, 19TH FLOOR	3. Date of Earliest Transaction (MM/DD/YYYY)

12/16/2008		
(Street)

NEW YORK, NY 10022-4407
(City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)

 	6. Individual or Joint/Group Filing (Check Applicable Line)

___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person	

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned	
1.Title of Security
(Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code
(Instr. 8)	4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)	5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)	
			Code	V	Amount	(A) or (D)	Price				
Common Stock, par value $0.001 per share  	12/16/2008  	 	J (1)	  	316500  	D	$0  	2534968   (2)	I  	See Footnote   (3)	

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code
(Instr. 8)	5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)	6. Date Exercisable and Expiration Date	7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)	8. Price of Derivative Security
(Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)	
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares					

Explanation of Responses:	
(  1) 	Pro rata distribution from Yorktown Energy Partners V, L.P. and Yorktown V Company LLC.	
(  2) 	The reporting entities disclaim beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that the reporting entities are the beneficial owners of these securities for Section 16 or any other purpose. Of these securities, 2,968 shares are held by W. Howard Keenan, Jr. for the benefit of Yorktown Energy Partners V, L.P.	
(  3) 	These securities are owned directly by Yorktown Energy Partners V, L.P., of which Yorktown V Company LLC is the general partner. Yorktown V Company LLC is an indirect beneficial owner of the reported securities.	

Remarks:
Exhibit List
Exhibit 99 - Joint Filer Information	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Yorktown V CO LLC
410 PARK AVENUE
19TH FLOOR
NEW YORK, NY 10022-4407		X			
YORKTOWN ENERGY PARTNERS V LP
410 PARK AVENUE
19TH FLOOR
NEW YORK, NY 10022-4407		X			

Signatures		
/s/ W. Howard Keenan, Jr.		12/17/2008	
** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).	
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).	
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.	

Exhibit 99
Form 4 Joint Filer Information
 	 	 	
Name:	 	YORKTOWN ENERGY PARTNERS V, L.P.	
 	 	 	
Address:	 	410 PARK AVENUE, 19TH FLOOR
NEW YORK, NY 10022-4407	
 	 	 	
Designated Filer:	 	YORKTOWN V COMPANY LLC	
 	 	 	
Issuer & Ticket Symbol:	 	CONCHO RESOURCES INC. [CXO]	
 	 	 	
Date of Event Requiring Statement:	 	12/16/2008	
 	 	 	 	 		
Signature: 	YORKTOWN ENERGY PARTNERS V, L.P.
 	 		
 	By:  	Yorktown V Company LLC,  	 		
 	 	its general partner 	 		

 	 	By:  	/s/ W. Howard Keenan, Jr.  	 	
 	 	 	Member 	 	
 	 	 	
Date:	 	12/17/2008