SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Gagnon Paul G

(Last)

(First)

(Middle)

1099 18TH STREET

(Street)

DENVER

80202

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/01/2006

3. Issuer Name and Ticker or Trading Symbol
WESTERN GAS RESOURCES INC [ WGR ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	VP WGR Canada Company

5. If Amendment, Date of Original Filed (Month/Day/Year)

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	5,560⁽¹⁾	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (Right to Buy)	03/01/2006	03/01/2011⁽²⁾	Common Stock	40,000	$34.28	D
Stock Option (Right to Buy)	03/30/2006	03/30/2011⁽³⁾	Common Stock	5,000	$35.21	D
Stock Option (Right to Buy)	05/19/2006	05/19/2011⁽⁴⁾	Common Stock	8,000	$31.85	D
Stock Option (Right to Buy)	02/24/2007	02/24/2012⁽⁵⁾	Common Stock	12,091	$43.43	D

Explanation of Responses:

1. These shares of Common Stock of Western Gas Resources, Inc. are subject to vesting restrictions.

2. On March 1, 2005, Reporting Person granted options to acquire 40,000 shares of Common Stock of Western Gas Resources, Inc. Options vest in 1/3 increments commencing on the first anniversary of the grant date and expire on the earlier of 5 years from the date of vesting or on March 1, 2015.

3. On March 30, 2005, Reporting Person granted options to acquire 5,000 shares of Common Stock of Western Gas Resources, Inc. Options vest in 1/3 increments commencing on the first anniversary of the grant date and expire on the earlier of 5 years from the date of vesting or on March 30, 2015.

4. On May 19, 2005, Reporting Person granted options to acquire 8,000 shares of Common Stock of Western Gas Resources, Inc. Options vest in 1/3 increments commencing on the first anniversary of the grant date and expire on the earlier of 5 years from the date of vesting or on May 19, 2012.

5. On February 24, 2006, Reporting Person granted options to acquire 12,091 shares of Common Stock of Western Gas Resources, Inc. Options vest in 1/3 increments commencing on the first anniversary of the grant date and expire on the earlier of 5 years from the date of vesting or on February 24, 2013.

	/s/ John C. Walter, as Attorney-in-Fact for Paul G. Gagnon	03/06/2006
	** 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 5 (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 Number.