Tallgrass Energy 8-K Tallgrass Energy Partners Closes on the Acquisition of Powder River Gathering System

Exhibit 99.1

Tallgrass Energy Partners Closes on the Acquisition of Powder River Gathering System

LEAWOOD, Kan.-(BUSINESS WIRE)-Tallgrass Energy Partners, LP (NYSE:TEP) today announced that through its subsidiary Tallgrass Midstream, LLC (“TMID”) it has closed on the acquisition of DCP Midstream’s Douglas natural gas gathering system in the Powder River Basin for cash consideration of approximately $128 million, subject to potential adjustments specified in the purchase agreement.

About Tallgrass Energy

Tallgrass Energy is a family of companies that includes publicly traded partnerships Tallgrass Energy Partners, LP (NYSE: TEP) and Tallgrass Energy GP, LP (NYSE: TEGP), and privately held Tallgrass Development, LP. Operating across 10 states, Tallgrass is a growth-oriented midstream energy operator with transportation, storage, terminal and processing assets that serve some of the nation’s most prolific crude oil and natural gas basins.

To learn more, please visit our website at www.tallgrassenergy.com.

Contacts

Tallgrass Energy Partners, LP

Investor Relations

Nate Lien, 913-928-6012

investor.relations@tallgrassenergylp.com

or

Media and Trade Inquiries

Phyllis Hammond, 303-763-3568

media.relations@tallgrassenergylp.com