HOUSTON, Jan. 6, 2012 /PRNewswire/ -- Plains All American Pipeline, L.P. (NYSE: PAA) and PAA Natural Gas Storage, L.P. (NYSE: PNG) today announced they will release fourth-quarter and full-year 2011 earnings after market close on Wednesday, February 8, 2012. PAA and PNG will hold a joint webcast and conference call on Thursday, February 9, 2012 at 11:00 a.m. Eastern. The earnings webcast may be accessed under the "Conference Calls" tab of the Investor Relations sections of www.paalp.com and www.pnglp.com or at the following link: http://www.videonewswire.com/event.asp?id=84444. If you are unable to participate in the webcast, you may access the live conference call by dialing toll free 800-230-1085. International callers should dial 612-288-0340. No password is required. The slide presentation accompanying the conference call materials will be posted a few minutes prior to the call on both Partnerships' websites at www.paalp.com and www.pnglp.com under the "Conference Calls" tab of the respective Investor Relations sections. A telephonic replay will be available beginning February 9, 2012, at approximately 1:00 p.m. Eastern and will continue until March 9, 2012, at 11:59 p.m. Eastern. To access the replay, dial toll free 800-475-6701. International callers should dial 320-365-3844. The replay access code is 232108. An audio replay in MP3 format will also be available after the call under the Conference Calls tab of the Investor Relations section of each Partnership's website. Plains All American Pipeline, L.P. is a publicly traded master limited partnership engaged in the transportation, storage, terminalling and marketing of crude oil, refined products and liquefied petroleum gas and other natural gas-related petroleum products. Through its general partner interest and majority equity ownership position in PAA Natural Gas Storage, L.P., PAA also develops and operates natural gas storage facilities. PAA is headquartered in Houston, Texas. PAA Natural Gas Storage, L.P. is a publicly traded master limited partnership engaged in the development, acquisition, operation and commercial management of natural gas storage facilities. The Partnership owns and operates three natural gas storage facilities located in Louisiana, Mississippi and Michigan. The Partnership's general partner, as well as the majority of the Partnership's limited partner interests, is owned by Plains All American Pipeline, L.P. PNG is headquartered in Houston, TX.