Quote Table

MEDIA RELEASE

May 2006

Media Release

Syntroleum Corporation (Nasdaq:SYNM) owns a proprietary CTL process for converting natural gas as well as other materials like coal and petroleum coke into liquid hydrocarbons. The company plans to use its technology, as well as others, to develop and participate in gas-to-liquids and coal-to-liquids projects in a number of global locations. For more information about Syntroleum, visit www.syntroleum.com.

For more information about Linc Energy, visit www.lincenergy.com.au.

This document includes forward-looking statements as well as historical information. Forward-looking statements include, but are not limited to, statements relating to the impact of the energy bill on Syntroleum and the coal-to-liquids industry, the testing, certification, characteristics and use of synthetic fuels and alternative fuels, the Syntroleum Process and related technologies and products, CTL or coal-to-liquids plants using the Syntroleum Process, government support for the construction and operation of such plants, the economic use of such plants and the continued development of the Syntroleum Process. When used in this document, the words "anticipate," "believe," "estimate," "expect," "intent," "may," "project," "plan" "should," and similar expressions are intended to be among the statements that identify forward-looking statements. Although Syntroleum believes that its expectations reflected in these forward-looking statements are reasonable, such statements involve risks and uncertainties and no assurance can be given that actual results will be consistent with these forward-looking statements.

Important factors that could cause actual results to differ from these forward-looking statements include the potential that commercial-scale CTL plants will not achieve the same results as those demonstrated on a laboratory or pilot basis or that such plants will experience technological and mechanical problems, the potential that improvements to the Syntroleum Process currently under development may not be successful, the impact on plant economics of operating conditions (including energy prices and government support for such plants), construction risks, risks associated with investments and operations of CTL and coal-to-liquids plants, the ability to implement corporate strategies, competition, intellectual property risks, Syntroleum's ability to obtain financing and other risks described in the company's filings with the Securities and Exchange Commission.

(R) "Syntroleum" is registered as a trademark and service mark in the U.S. Patent and Trademark Office

SOURCE: Syntroleum Corporation

Syntroleum Corporation, Tulsa

Mel Scott, 918-592-7900

mscott@syntroleum.com

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding Syntroleum's business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward-looking statements, see "Risk Factors" in the Company's Annual Report or Form 10-K for the most recently ended fiscal year.

For more information, click here.

Information in other languages:

Latest News

Click here for the latest edition of InvestorLinc.