X0306 4 2015-02-17 0 0001569134 Tallgrass Energy Partners, LP TEP 0001575565 Tallgrass GP Holdings, LLC 4200 W. 115TH STREET, SUITE 350 LEAWOOD KS 66211 0 0 1 0 0001561924 Tallgrass Development GP, LLC 4200 W. 115TH STREET, SUITE 350 LEAWOOD KS 66211 0 0 1 0 0001561964 Tallgrass Development, LP 4200 W. 115TH STREET, SUITE 350 LEAWOOD KS 66211 0 0 1 0 0001575249 Tallgrass Operations, LLC 4200 W. 115TH STREET, SUITE 350 LEAWOOD KS 66211 0 0 1 0 Common units representing limited partner interests 2015-02-17 4 C 0 16200000 A 26355480 I See Footnote Subordinated units representing limited partner interests 2015-02-17 4 C 0 16200000 D Common units representing limited partner interests 16200000 0 I See Footnote Represents the conversion of 16,200,000 subordinated units representing limited partner interests (the "Subordinated Units") in Tallgrass Energy Partners, LP (the "Issuer"), which were converted into common units representing limited partner interests on a one-to-one basis upon the termination of the subordination period as set forth in the Amended and Restated Agreement of Limited Partnership of Tallgrass Energy Partners, LP, dated as of May 17, 2013. The Subordinated Units had no expiration date. This Form 4 is being filed jointly by Tallgrass GP Holdings, LLC ("Tallgrass GP Holdings"), Tallgrass Development GP, LLC ("Tallgrass Development GP"), Tallgrass Development, LP ("Tallgrass Development") and Tallgrass Operations, LLC ("Tallgrass Operations"). The securities of the Issuer are owned directly by Tallgrass Operations. Tallgrass GP Holdings directly owns 100% of the outstanding membership interests of Tallgrass Development GP. Tallgrass Development GP is the general partner of Tallgrass Development. Tallgrass Development directly owns 100% of the outstanding securities of Tallgrass Operations. Tallgrass GP Holdings, Tallgrass Development GP and Tallgrass Development may therefore be deemed to beneficially own securities of the Issuer owned directly by Tallgrass Operations. Tallgrass GP Holdings, LLC, /s/ George E. Rider, Executive Vice President, General Counsel and Secretary 2015-02-19 Tallgrass Development GP, LLC, /s/ George E. Rider, Executive Vice President, General Counsel and Secretary 2015-02-19 Tallgrass Development, LP, by Tallgrass Development GP, LLC, its general partner, /s/ George E. Rider, Executive Vice President, General Counsel and Secretary 2015-02-19 Tallgrass Operations, LLC, /s/ George E. Rider, Executive Vice President, General Counsel and Secretary 2015-02-19