Plains All American Pipeline Announces Extension of Open Season for Permian Basin to Cushing Pipeline

HOUSTON–(BUSINESS WIRE)–A subsidiary of Plains All American Pipeline, L.P. (NYSE: PAA)
today announced that the open season for committed crude oil pipeline
capacity from Midland, TX/Colorado City, TX to Cushing, OK that
commenced on April 18, 2017 has been extended to 5 p.m. CT on June 9,
2017 to incorporate certain modifications requested by shippers.

Potential shippers who have signed a confidentiality agreement will be
sent the final TSA by June 9, 2017. Each potential shipper that wishes
to become a committed shipper must execute and submit two copies of the
final version of the TSA no later than 5 p.m. CT on June 9, 2017.

Interested parties should contact Bill Keener, Managing Director
Pipeline Commercial Operations at 713-993-5144.

Forward Looking Statements

This press release may include certain statements concerning
expectations for the future that are forward-looking statements as
defined by federal law. Such forward-looking statements are subject to a
variety of known and unknown risks, uncertainties, and other factors
that are difficult to predict and many of which are beyond managementโ€™s
control. An extensive list of factors that can affect future results are
discussed in each registrantโ€™s Annual Report on Form 10-K and other
documents filed from time to time with the Securities and Exchange
Commission. The registrants undertake no obligation to update or revise
any forward-looking statement to reflect new information or events.

Plains All American Pipeline, L.P. is a publicly traded master limited
partnership that owns and operates midstream energy infrastructure and
provides logistics services for crude oil, natural gas liquids (“NGL”),
natural gas and refined products. PAA owns an extensive network of
pipeline transportation, terminalling, storage and gathering assets in
key crude oil and NGL producing basins and transportation corridors and
at major market hubs in the United States and Canada. On average, PAA
handles over 4.7 million barrels per day of crude oil and NGL in its
Transportation segment. PAA is headquartered in Houston, Texas. More
information is available at www.plainsallamerican.com.

Contacts

Plains All American
Investors:
Brett Magill,
(866) 809-1291
Manager, Investor Relations