Syntroleum Schedules First Quarter 2001 Earnings Conference Call

    TULSA, Okla., April 23 /PRNewswire Interactive News Release/ --
Syntroleum Corporation announced today that the company's first
quarter 2001 conference call will take place on Tuesday, May 1, 2001 at
4:00 PM EDT.
    During the call, Syntroleum's Kenneth Agee, chairman and chief executive
officer, Mark Agee, president and chief operating officer, and Randall
Thompson, vice president and chief financial officer will review the company's
financial results for the first quarter ended March 31, 2001.
    Callers may listen to the live presentation by dialing (800) 289-0746 and
entering pass code #620751.  A replay of the teleconference will be available
from 6:00 PM EDT on Tuesday, May 1 through midnight of Thursday, May 8th by
dialing (888) 203-1112 and entering pass code #620751.
    In addition, a web cast of the call will be available via the Internet by
accessing http://www.syntroleum.com or http://www.streetfusion.com.  Listeners
should allow a few minutes for registration into the web site.
    Syntroleum Corporation is the developer of a proprietary technology for
converting natural gas into synthetic liquid hydrocarbons.  The company, in
partnership with others, plans to build GTL plants using its technology in a
number of global locations.  Additionally, Syntroleum licenses its process to
oil companies for the manufacture of fuels.  Current licensees include ARCO
(now BP), Enron, Ivanhoe Energy, Kerr-McGee, Marathon, Repsol-YPF, Texaco and
the Commonwealth of Australia.

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