Exhibit 99
Joint Filer Information

Name:			Navajo Pipeline Co., L.P.

Name:			Navajo Refining Company, L.L.C.

Name:			Woods Cross Refining Company, L.L.C.

Address:		100 Crescent Court, Suite 1600
			Dallas, TX 75201

Designated Filer:	Holly Corporation

Issuer & Ticker Symbol:	Holly Energy Partners, L.P. (HEP)

Date of Event Requiring Statement:	2/29/2008



[Signatures on Following Pages]



Signatures of Reporting Persons:

NAVAJO PIPELINE CO., L.P.

By:	NAVAJO PIPELINE GP, L.L.C.,
	Its General Partner


	By:
		Bruce R. Shaw
		Vice President and Chief Financial Officer

WOODS CROSS REFINING COMPANY, L.L.C.

By:	NAVAJO REFINING COMPANY, L.L.C.,
	Its sole Member


	By:
		Bruce R. Shaw
		Vice President and Chief Financial Officer

NAVAJO REFINING COMPANY, L.L.C.


By:
	Bruce R. Shaw
	Vice President and Chief Financial Officer