GENESIS ENERGY, L.P., GENESIS ENERGY FINANCE CORPORATION and the Guarantors named herein 5¾% SENIOR NOTES DUE 2021 EIGHTH SUPPLEMENTAL INDENTURE SUBSIDIARY GUARANTEE DATED AS OF JUNE 26, 2015 Trustee

Exhibit 4.8

GENESIS ENERGY, L.P.,

GENESIS ENERGY FINANCE CORPORATION

and

the Guarantors named herein

5¾% SENIOR NOTES DUE 2021

EIGHTH SUPPLEMENTAL INDENTURE

SUBSIDIARY GUARANTEE

DATED AS OF JUNE 26, 2015

U.S. BANK NATIONAL ASSOCIATION,

Trustee

Exhibit 4.8

This EIGHTH SUPPLEMENTAL INDENTURE, dated as of June 26, 2015 (this “Eighth Supplemental Indenture”), is among Genesis Energy, L.P., a Delaware limited partnership (the “Company”), Genesis Energy Finance Corporation, a Delaware corporation (“Finance Corp.” and, together with the Company, the “Issuers”), the Guarantors, the parties identified under the caption “New Guarantors” on the signature pages hereto (the “New Guarantors”) and U.S. Bank National Association, a national banking association, as Trustee.

RECITALS

WHEREAS, the Issuers, the initial Guarantors and the Trustee entered into an Indenture, dated as of February 8, 2013, as supplemented by the First Supplemental Indenture, dated as of February 19, 2014, the Second Supplemental Indenture, dated as of May 7, 2014, the Third Supplemental Indenture, dated as of October 15, 2014, the Fourth Supplemental Indenture, dated as of December 17, 2014, the Fifth Supplemental Indenture, dated as of January 22, 2014, the Sixth Supplemental Indenture, dated as of February 19, 2015, and the Seventh Supplemental Indenture, dated as of February 19, 2015 (as so supplemented, the “Indenture”), pursuant to which the Issuers have issued $350,000,000 in the aggregate principal amount of 5¾% Senior Notes due 2021 (the “Notes”);

WHEREAS, each of Thunder Basin Holdings, LLC, a Delaware limited liability company (“TBH LLC”), Thunder Basin Pipeline, LLC, a Delaware limited liability company (“TBP LLC”), and Antelope Refining, LLC, a Delaware limited liability company (together with TBH LLC and TBP LLC, the “Specified New Guarantors”), were designated as Unrestricted Subsidiaries on January 31, 2012;

WHEREAS, the Board of Directors of the Company has redesignated each of the Specified New Guarantors as a Restricted Subsidiary by resolution dated June 25, 2015 in accordance with Section 4.20 of the Indenture;

WHEREAS, Section 9.01(7) of the Indenture provides that the Issuers, the Guarantors and the Trustee may amend or supplement the Indenture in order to comply with Section 4.13 or 10.03 thereof, without the consent of the Holders of the Notes; and

WHEREAS, all acts and things necessary to make this Eighth Supplemental Indenture a valid and legally binding agreement according to its terms, and a valid and legally binding amendment of and supplement to, the Indenture, have been duly done and performed;

NOW, THEREFORE, to comply with the provisions of the Indenture and in consideration of the above premises, the Issuers, the Guarantors, the New Guarantors and the Trustee covenant and agree for the equal and proportionate benefit of the respective Holders of the Notes as follows:

ARTICLE 1

Section 1.01. This Eighth Supplemental Indenture is supplemental to the Indenture and does and shall be deemed to form a part of, and shall be construed in connection with and as part of, the Indenture for any and all purposes.

Section 1.02. This Eighth Supplemental Indenture shall become effective immediately upon its execution and delivery by each of the Issuers, the Guarantors, the New Guarantors and the Trustee.

ARTICLE 2

From this date, in accordance with Section 4.13 or 10.03 of the Indenture and by executing this Eighth Supplemental Indenture, the New Guarantors shall be subject to the provisions of the Indenture to the extent provided for in Article 10 thereunder. Each New Guarantor hereby becomes a party to the Indenture as a Guarantor and as such will have all of the rights and be subject to all of the obligations and agreements of a Guarantor under the Indenture. Each New Guarantor agrees to be bound by all of the provisions of the Indenture applicable to a Guarantor and to perform all of the obligations and agreements of a Guarantor under the Indenture.

ARTICLE 3

Section 3.01. Except as specifically modified herein, the Indenture and the Notes are in all respects ratified and confirmed (mutatis mutandis) and shall remain in full force and effect in accordance with their terms with all capitalized terms used herein without definition having the same respective meanings ascribed to them as in the Indenture.

Exhibit 4.8

Section 3.02. Except as otherwise expressly provided herein, no duties, responsibilities or liabilities are assumed, or shall be construed to be assumed, by the Trustee by reason of this Eighth Supplemental Indenture. This Eighth Supplemental Indenture is executed and accepted by the Trustee subject to all the terms and conditions set forth in the Indenture with the same force and effect as if those terms and conditions were repeated at length herein and made applicable to the Trustee with respect hereto.

Section 3.03. THIS EIGHTH SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

Section 3.04. The parties may sign any number of copies of this Eighth Supplemental Indenture. Each signed copy shall be an original, but all of such executed copies together shall represent the same agreement.

[NEXT PAGE IS SIGNATURE PAGE]

Exhibit 4.8

IN WITNESS WHEREOF, the parties hereto have caused this Eighth Supplemental Indenture to be duly executed, all as of the date first written above.

ISSUERS

GENESIS ENERGY, L.P.

By:    Genesis Energy, LLC,    

its general partner

By:	/s/ Xxxxxx X. Xxxxx
Name:	Xxxxxx X. Xxxxx
Title:	Chief Financial Officer

GENESIS ENERGY FINANCE CORPORATION

By:	/s/ Xxxxxx X. Xxxxx
Name:	Xxxxxx X. Xxxxx
Title:	Chief Financial Officer

GUARANTORS

GENESIS CRUDE OIL, L.P.

GENESIS PIPELINE TEXAS, L.P.

GENESIS PIPELINE USA, L.P.

GENESIS CO2 PIPELINE, L.P.

GENESIS NATURAL GAS PIPELINE, L.P.

GENESIS SYNGAS INVESTMENTS, L.P.

By:    GENESIS ENERGY, LLC,    

its general partner

By:	/s/ Xxxxxx X. Xxxxx
Name:	Xxxxxx X. Xxxxx
Title:	Chief Financial Officer

[Signature Page to Eighth Supplemental Indenture]

Exhibit 4.8

GENESIS PIPELINE ALABAMA, LLC

GENESIS XXXXXXX, LLC

XXXXXXX PETROLEUM SUPPLY, LLC

XXXXXXX TRANSPORTATION SERVICES, LLC

RED RIVER TERMINALS, L.L.C. [LA]

TEXAS CITY CRUDE OIL TERMINAL, LLC

TDC, L.L.C.

GENESIS NEJD HOLDINGS, LLC

GENESIS FREE STATE HOLDINGS, LLC

XXXXXXX TRANSPORTATION SERVICES, INC.

TDC SERVICES, LLC

GENESIS CHOPS I, LLC

GENESIS CHOPS II, LLC

GEL CHOPS GP, LLC

GENESIS ENERGY, LLC

GENESIS MARINE, LLC

XXXXX SERVICES, INC.

GEL TEX MARKETING, LLC

GEL LOUISIANA FUELS, LLC

GEL WYOMING, LLC

GENESIS SEKCO, LLC

GEL SEKCO, LLC

GENESIS RAIL SERVICES, LLC

GEL OFFSHORE PIPELINE, LLC

GENESIS OFFSHORE, LLC

GEL OFFSHORE, LLC

GENESIS ODYSSEY, LLC

GEL ODYSSEY, LLC

GENESIS POSEIDON, LLC

GEL POSEIDON, LLC

PRONGHORN RAIL SERVICES, LLC

GENESIS BR, LLC

BR PORT SERVICES, LLC

CASPER EXPRESS PIPELINE, LLC

AP MARINE, LLC

TBP2, LLC

GEL PRCS, LLC

POWDER RIVER EXPRESS, LLC

POWDER RIVER OPERATING, LLC

GEL TEXAS PIPELINE, LLC

By:	/s/ Xxxxxx X. Xxxxx
Name:	Xxxxxx X. Xxxxx
Title:	Chief Financial Officer

[Signature Page to Eighth Supplemental Indenture]

Exhibit 4.8

GEL CHOPS I, L.P

GEL CHOPS II, L.P.

By:    GEL CHOPS GP, LLC,

its general partner

By:	/s/ Xxxxxx X. Xxxxx
Name:	Xxxxxx X. Xxxxx
Title:	Chief Financial Officer

NEW GUARANTOR

THUNDER BASIN HOLDINGS, LLC

THUNDER BASIN PIPELINE, LLC

ANTELOPE REFINING, LLC

POWDER RIVER CRUDE SERVICES, LLC

By:	/s/ Xxxxxx X. Xxxxx
Name:	Xxxxxx X. Xxxxx
Title:	Chief Financial Officer

[Signature Page to Eighth Supplemental Indenture]

Exhibit 4.8

TRUSTEE

U.S. BANK NATIONAL ASSOCIATION,
as Trustee

By:	/s/ Xxxxxx X. Xxxxxxx
Name:	Xxxxxx X. Xxxxxxx, CCTS
Title:	Vice President

[Signature Page to Eighth Supplemental Indenture]