This Purchase and Sale Agreement (this _Agreement_) was entered into on March 31, 2017 by and between Rockies Express Holdings, LLC, a Delaware limited liability company ( _Tallgrass_ _Holdco_), and Tallgrass Energy Partners, LP, a Delaware limited partnership (the ”Partnership”). In addition, Tallgrass Development, LP, is a Delaware limited partnership (_Development_), a party to this Agreement for the limited purposes set forth in _Articles III_, _V_ and _VI_. THIS FIRST AMENDMENT TO THE PURCHASE AND SALE AGREEMENT (this ”Modification”) will take effect on April 18, 2017, GAHC4 SW ILLINOIS SENIOR HOUSING PORTFOLIO, LLC, a Delaware limited liability company (”Buyer”), and A&M PROPERTY HOLDING, LLC, a limited liability company in Illinois (”Seller”) and GARDEN PLACE, LLC, a limited liability company in Illinois (the ”Operator”). This PURCHASE AND SALE AGREEMENT (the ”Agreement”) dated March 27, 1996 is between SOUTHERN PACIFIC TRANSPORTATION COMPANY, a Delaware corporation (”Seller”), and THE DENVER ARENA COMPANY, LLC, a Colorado limited liability company (”Buyer”). This PURCHASE AND SALE AGREEMENT AND THE FIDUCIARY STATEMENTS will be entered into and entered into on March 2, 1995 by and between WEDDINGTON INVESTMENT PARTNERSHIP, a California-based partnership (”Seller”), and CITY NATIONAL BANK, a national banking association (”Buyer”). This Agreement is intended solely to supplement and implement the provisions of the Purchase Agreement and is not intended to modify, supplement or modify the rights or obligations of the Buyer or seller under the Purchase Agreement. Most common clauses in the purchase and sale contract: THIS CONTRACT will be concluded on September 10th. It was completed in November 2015 by HIGHLANDS RANCH SHEA CENTER II, LLC, a Colorado limited liability company (the ”Seller”), and NETREIT, INC., a Maryland company (the ”Buyer”). .