Western Gas Partners, LP Prices Public Offering of 6,000,000 Common Units


HOUSTON–(BUSINESS WIRE)–Dec. 4, 2009– Western Gas Partners, LP (NYSE: WES) today announced that it has priced its public offering of 6,000,000 common units representing limited partner interests. Western Gas Partners has granted the underwriters a 30-day option to purchase up to 900,000 additional common units. The common units were offered to the public at $18.20 per unit. The offering is expected to settle and close on December 9, 2009, subject to customary closing conditions. Net proceeds from the offering are expected to be used to repay amounts outstanding under the partnership’s $350 million revolving credit facility. Any remaining net proceeds will be used for general partnership purposes, including capital expenditures and acquisitions.

Barclays Capital, BofA Merrill Lynch, Goldman, Sachs & Co. and Wells Fargo Securities are acting as joint book-running managers for the offering. The offering is being made only by means of a prospectus and related prospectus supplement, copies of which may be obtained from Barclays Capital, c/o Broadridge Integrated Distribution Services, 1155 Long Island Avenue, Edgewood, NY11717, or by calling (888) 603-5847 or by emailing [email protected]; BofA Merrill Lynch, 4 World Financial Center, New York, NY 10080, Attn: Preliminary Prospectus Department, or by emailing [email protected]; Goldman, Sachs & Co., Prospectus Department, 85 Broad Street, New York, NY 10004, or by calling (866) 471-2526, or by facsimile at (212) 902-9316 or by emailing [email protected]; or Wells Fargo Securities at 375 Park Avenue, New York, NY 10152, Attention: Equity Syndicate Dept., or by calling (800) 326-5897 or by emailing [email protected]. An electronic copy of the prospectus and prospectus supplement is available from the U.S. Securities and Exchange Commission’s website atwww.sec.gov.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of, these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such state or jurisdiction. The offer is being made only through the prospectus as supplemented, which is part of a shelf registration statement that became effective on August 17, 2009.

This news release contains forward-looking statements. Western Gas Partners and its general partner believe that their expectations are based on reasonable assumptions. No assurance, however, can be given that such expectations will prove to have been correct. A number of factors could cause actual results to differ materially from the projections, anticipated results or other expectations expressed in this news release, including Western Gas Partners’ ability to close successfully on the common units offering and to use the net proceeds as indicated in this news release. See “Risk Factors” in Western Gas Partners’ 2008 Annual Report on Form 10-K, as amended, and other public filings and press releases. Except as required by law, Western Gas Partnersundertakes no obligation to publicly update or revise any forward-looking statements.


Source: Western Gas Partners, LP

Western Gas Partners, LP

Chris Campbell, CFA, 832-636-6012

[email protected]