SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported): March 10, 2010
WESTERN GAS PARTNERS, LP
(Exact name of registrant as specified in its charter)
(State or other jurisdiction
of incorporation or organization)
1201 Lake Robbins Drive
The Woodlands, Texas 77380-1046
(Address of principal executive office) (Zip Code)
(Registrants telephone number, including area code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the
filing obligation of the registrant under any of the following provisions:
o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
TABLE OF CONTENTS
Item 2.02 Results of Operations and Financial Condition.
On March 10, 2010, Western Gas Partners, LP issued a press release announcing its full-year and
fourth-quarter 2009 results and providing its capital program and outlook for 2010. The press
release is included in this report as Exhibit 99.1.
Item 9.01 Financial Statements and Exhibits.
99.1 Western Gas Partners, LP Press Release, dated March 10, 2010.