Western Gas Partners Announces Closing of Common Unit Issuance Including Over-Allotment Option

  Western Gas Partners Announces Closing of Common Unit Issuance Including
  Over-Allotment Option

Business Wire

HOUSTON -- May 17, 2013

Western Gas Partners, LP (NYSE:WES) today announced that it has closed the
issuance of 7,015,000 common units representing limited partner interests,
including 915,000 common units issued under the exercise of the over-allotment
option granted to the underwriters. The Partnership expects to use the net
proceeds from the offering for general partnership purposes, including the
funding of capital expenditures and the repayment of a portion of the
outstanding borrowings under its revolving credit facility.

RBC Capital Markets, Barclays, Citigroup, Deutsche Bank Securities, Morgan
Stanley, UBS Investment Bank and Wells Fargo Securities acted as joint
book-running managers for the offering. The offering was made by means of a
prospectus and related prospectus supplement, copies of which may be obtained
from RBC Capital Markets, 3 World Financial Center, 200 Vesey Street, 8th
Floor, New York, New York 10281, Attention: Equity Syndicate, or by calling
(877) 822-4089; Barclays, c/o Broadridge Financial Solutions, 1155 Long Island
Avenue, Edgewood, New York 11717, or by calling (888) 603-5847, or by emailing
Barclaysprospectus@broadridge.com; Citigroup, c/o Broadridge Financial
Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, telephone:
1-800-831-9146 or email at batprospectusdept@citi.com; Deutsche Bank
Securities, Attn: Prospectus Group, 60 Wall Street, New York, NY 10005-2836,
telephone: 1-800-503-4611, or email at prospectus.CPDG@db.com; Morgan Stanley,
180 Varick Street, 2nd Floor, New York, New York 10014, Attention: Prospectus
Dept., or by calling (866) 718-1649, or by emailing
prospectus@morganstanley.com; UBS Investment Bank, 299 Park Avenue, New York,
New York 10171, Attn: Prospectus Department or by calling (888) 827-7275; or
Wells Fargo Securities, 375 Park Avenue New York, New York 10152, Attention:
Equity Syndicate Department, or by calling (800) 326-5897, or by emailing
cmclientsupport@wellsfargo.com. An electronic copy of the prospectus and
prospectus supplement is available from the U.S. Securities and Exchange
Commission’s website at http://www.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 May 9, 2011.

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’ Annual Report on Form 10-K for the year ended December
31, 2012 and other public filings and press releases. Except as required by
law, Western Gas Partners undertakes no obligation to publicly update or
revise any forward-looking statements.

Contact:

Western Gas Partners, LP
Benjamin Fink, CFA
SVP, Chief Financial Officer and Treasurer
832.636.6010
benjamin.fink@westerngas.com