Williams Partners LP has completed separate transactions with Western Gas Partners LP, Anadarko Petroleum Corp., Energy Transfer Partners LP and certain of their respective affiliates for an aggregate cash consideration of $200 million paid to Williams Partners and an increase in Williams Partners’ ownership in two Marcellus Shale gathering systems, in exchange for Williams Partners’ assignment of interests in certain nonoperated Delaware Basin assets.

Under the transaction with Western Gas, Williams Partners increased its ownership stake in two Marcellus Shale natural gas gathering systems it already operated, in exchange for a 50-percent ownership stake in certain gathering systems Western Gas already operated in the Delaware Basin. Under the transactions with Anadarko and Energy Transfer, Williams sold each of them half of its 33.33-percent interest in Ranch Westex JV LLC, owner of the Bone Springs gas processing plant in the Delaware Basin, for a total of $45 million in cash ($22.5 million each).

For more information, visit www. williams.com or call (800) 945-5426.