Plains All American Pipeline, L.P. (NYSE: PAA) and PAA Natural Gas Storage (NYSE: PNG) today announced they will release fourth-quarter and year-end 2010 earnings after market close on Wednesday, February 9, 2011. PAA and PNG will hold a joint webcast and conference call on Thursday, February 10, 2011 at 10:00 a.m. Central.

PAA also stated that it expects to deliver fourth quarter adjusted EBITDA that will be in line with or exceed the high end of its public guidance for the fourth quarter and full year of 2010. This expected over-performance is primarily driven by solid base-line performance across all three segments as well as successful execution of optimization activities during a volatile market. PAA's financial guidance furnished on November 3, 2010 included an adjusted EBITDA range of $275 million to $300 million for the fourth quarter 2010 and $1,059 million to $1,084 million for the full-year 2010.

The earnings webcast may be accessed at www.paalp.com, www.pnglp.com or http://www.videonewswire.com/event.asp?id=75484. 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 612-234-9960. 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 Call? tab of the respective Investor Relations sections.

A telephonic replay will be available beginning Thursday, February 10, 2011, at approximately 12:00 p.m. Central and will continue until Thursday, March 10, 2011, at 11:59 p.m. Central. To access the replay, dial toll free 800-475-6701. International callers should dial 320-365-3844. The replay access code is 187543. 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 PNG, PAA is also engaged in the development and operation of natural gas storage facilities. PAA is headquartered in Houston, TX.

PNG is a publicly traded master limited partnership engaged in the development, acquisition, operation and commercial management of natural gas storage facilities. The Partnership currently owns and operates two natural gas storage facilities located in Louisiana and Michigan, which together have an aggregate working gas storage capacity of approximately 50 BCF. The Partnership's general partner, as well as the majority of the Partnership's limited partner interests, is owned by PAA. The Partnership is headquartered in Houston, TX.

Forward-Looking Statements

Except for the historical information contained herein, the matters discussed in this release are forward-looking statements that involve certain risks and uncertainties that could cause actual results to differ materially from results anticipated in the forward looking statements. These risks and uncertainties include, among other things, failure to implement or capitalize on planned internal growth projects; maintenance of our credit rating and ability to receive open credit from our suppliers and trade counterparties; continued creditworthiness of, and performance by, our counterparties, including financial institutions and trading companies with which we do business; the effectiveness of our risk management activities; environmental liabilities or events that are not covered by an indemnity, insurance or existing reserves; abrupt or severe declines or interruptions in outer continental shelf production located offshore California and transported on our pipeline systems; shortages or cost increases of power supplies, materials or labor; the availability of adequate third-party production volumes for transportation and marketing in the areas in which we operate and other factors that could cause declines in volumes shipped on our pipelines by us and third-party shippers, such as declines in production from existing oil and gas reserves or failure to develop additional oil and gas reserves; fluctuations in refinery capacity in areas supplied by our mainlines and other factors affecting demand for various grades of crude oil, refined products and natural gas and resulting changes in pricing conditions or transportation throughput requirements; the availability of, and our ability to consummate, acquisition or combination opportunities; our ability to obtain debt or equity financing on satisfactory terms to fund additional acquisitions, expansion projects, working capital requirements and the repayment or refinancing of indebtedness; the successful integration and future performance of acquired assets or businesses and the risks associated with operating in lines of business that are distinct and separate from our historical operations; unanticipated changes in crude oil market structure and volatility (or lack thereof); the impact of current and future laws, rulings, governmental regulations, accounting standards and statements and related interpretations; the effects of competition; interruptions in service and fluctuations in tariffs or volumes on third-party pipelines; increased costs or lack of availability of insurance; fluctuations in the debt and equity markets, including the price of our units at the time of vesting under our long-term incentive plans; the currency exchange rate of the Canadian dollar; weather interference with business operations or project construction; risks related to the development and operation of natural gas storage facilities; future developments and circumstances at the time distributions are declared; general economic, market or business conditions and the amplification of other risks caused by volatile financial markets, capital constraints and pervasive liquidity concerns; and other factors and uncertainties inherent in the transportation, storage, terminalling and marketing of crude oil, refined products and liquefied petroleum gas and other natural gas related petroleum products discussed in the Partnership's filings with the Securities and Exchange Commission.

Plains All American Pipeline, L.P.
Roy Lamoreaux, 713-646-4222 / 800-564-3036
Director, Investor Relations