SYNTROLEUM CORP
10-K/A, 1999-04-28
CRUDE PETROLEUM & NATURAL GAS
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<PAGE>
 
================================================================================

                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                  FORM 10-K/A
                                Amendment No. 1
(Mark One)
[X]  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934 [FEE REQUIRED] FOR THE FISCAL YEAR ENDED DECEMBER 31,
     1998.

[ ]  TRANSITION REPORTING PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934 [NO FEE REQUIRED] FOR THE TRANSITION PERIOD FROM
     ______ TO ______.

                          COMMISSION FILE NO. 0-21911

                             SYNTROLEUM CORPORATION
             (Exact name of registrant as specified in its charter)

 
             KANSAS                                       43-1764632
  (State or other jurisdiction of                      (I.R.S. Employer
   incorporation or organization)                     Identification No.)

                         1350 South Boulder, Suite 1100
                          Tulsa, Oklahoma  74119-3295
              (Address of principal executive offices) (Zip Code)

      Registrant's telephone number, including area code:  (918) 592-7900

       Securities registered pursuant to Section 12(b) of the Act:  None

          Securities Registered Pursuant to Section 12(g) of the Act:
                     Common Stock, par value $.01 per share
                                      and
                        Preferred Share Purchase Rights

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports) and (2) has been subject to such filing
requirements for the past 90 days.  YES  X  NO 
                                        ---    ---       

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K.  [   ]

At March 25, 1999, the aggregate market value of the registrant's common stock
held by non-affiliates of the registrant was approximately $89,087.932 million
based on the closing price of such stock on such date of $5.63 per share
(assuming solely for this purpose that all of the registrant's directors,
executive officers and 10% stockholders are its affiliates).

At March 25, 1999, the number of outstanding shares of the registrant's common
stock was 26,900,052.

                      DOCUMENTS INCORPORATED BY REFERENCE

                                     None.

================================================================================
<PAGE>
 
________________________________________________________________________________

This Amendment No. 1 is filed to include the disclosures required by Items 10,
11, 12 and 13 in Part III which were omitted from this Annual Report on Form 10-
K as originally filed as permitted by Instruction G(3).  Except for the addition
of the amended Items 10, 11, 12 and 13 and the related deletion of "Executive
Officers of the Registrant" following Item 4 (these disclosures are now located
in this Amendment No. 1 at Item 10), no other Item of this Annual Report on
Form 10-K has been amended.

_______________________________________________________________________________

                               TABLE OF CONTENTS
                                                                            Page
                                                                            ----
                                     PART I
 
Item 1.  Business.............................................................1
Item 2.  Properties..........................................................31
Item 3.  Legal Proceedings...................................................31
Item 4.  Submission of Matters to a Vote of Security Holders.................32


                                    PART II
 
Item 5.  Market for Registrant's Common Equity and Related Stockholder
         Matters.............................................................32
Item 6.  Selected Financial Data.............................................34
Item 7.  Management's Discussion and Analysis of Financial Condition and
         Results of Operations...............................................35
Item 7A. Quantitative and Qualitative Disclosures about Market Risk..........46
Item 8.  Financial Statements and Supplementary Data.........................46
Item 9.  Changes in and Disagreements with Accountants on Accounting
         and Financial Disclosure............................................46

                                    PART III

Item 10. Directors and Executive Officers of the Registrant..................46
Item 11. Executive Compensation..............................................50
Item 12. Security Ownership of Certain Beneficial Owners and Management......55
Item 13. Certain Relationships and Related Party Transactions................56

                                    PART IV

Item 14. Exhibits, Financial Statement Schedules, and Reports on Form 8-K....58

                           FORWARD-LOOKING STATEMENTS

          This Annual Report on Form 10-K includes forward-looking statements as
well as historical facts.  These forward-looking statements include statements
relating to the Syntroleum Process and related technologies, gas-to-liquids
plants based on the Syntroleum Process, anticipated costs to design, construct
and operate such plants, the timing of commencement and completion of the design
and construction of such plants, obtaining required financing for such plants,
the economic construction and operation of GTL plants, including the value and
markets for products produced by such plants, the continued development of the
Syntroleum Process (alone or with partners), anticipated capital expenditures,
anticipated revenues, the sale of Syntroleum's real estate inventory and any
other statements regarding future growth, cash needs, operations, business plans
and financial results.  When used in this document the words "anticipate,"
"believe," "estimate," "expect," "intend," "may," "plans," "project," "should"
and similar expressions are intended to be among the statements that identify
forward-looking statements. Although Syntroleum believes that the expectations
reflected in these forward-looking statements are reasonable, such statements
involve risks and uncertainties and actual results may not 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 the cost of designing and constructing commercial-scale GTL plants will
exceed current estimates, commercial-scale GTL 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), competition, intellectual property risks, Syntroleum's ability
to obtain financing and other risks described in this Annual Report on Form 10-
K.



                                     -ii-
<PAGE>
 
                               MERGER TRANSACTION

          Pursuant to an Agreement and Plan of Merger dated as of March 30, 1998
by and between Syntroleum Corporation, an Oklahoma corporation ("Old
Syntroleum"), and SLH Corporation, a Kansas corporation ("SLH"), effective
August 7, 1998, (1) Old Syntroleum merged (the "Merger") with and into SLH, with
SLH being the surviving corporation (the survivor of the Merger, together with
its subsidiaries and predecessors, is referred to as "Syntroleum" or the
"Company"), (2) SLH changed its name to "Syntroleum Corporation" and (3) the
other transactions relating to the Merger were effected.  The Merger and related
transactions are more fully described in the Joint Proxy Statement/Prospectus
filed with the Securities and Exchange Commission on July 6, 1998.


                                     -iii-
<PAGE>
 
                                     PART I

Item 1.  Business

Overview

          Syntroleum is the developer and owner of a proprietary process (the
"Syntroleum Process") designed to catalytically convert natural gas into
synthetic liquid hydrocarbons ("gas to liquids" or "GTL").  The Syntroleum
Process is a simplification of traditional GTL technologies aimed at
substantially reducing both the capital cost and the minimum economical size of
a GTL plant, as well as plant operating costs.  A unique characteristic and
primary advantage of the Syntroleum Process over competing processes is its use
of air, rather than pure oxygen, in the conversion process. Syntroleum believes
that the Syntroleum Process can, in some circumstances, be cost effective in GTL
plants with throughput levels ranging from 2,000 to 50,000 barrels per day and
larger.   Due to their relatively small footprint, Syntroleum believes that GTL
plants based on the Syntroleum Process can be placed on skids, barges and ocean-
going vessels, allowing these mobile plants to be used at a variety of
locations, including isolated and offshore areas.  Although no commercial-scale
GTL plant based on the Syntroleum Process has yet been built, Syntroleum owns
and operates a nominal two barrel per day pilot plant in Tulsa, Oklahoma, where
it has successfully demonstrated certain elements and variations of the
Syntroleum Process.

          GTL plants can be designed to refine the synthetic liquid hydrocarbons
(also known as "synthetic crude oil") produced by the Syntroleum Process into
higher margin liquid fuels such as diesel, kerosene and naphtha, or specialty
products such as synthetic lubricants, synthetic drilling fluid, waxes, liquid
normal paraffins and certain chemical feedstocks.  Synthetic crude oil produced
by the Syntroleum Process has certain performance and environmental benefits and
is substantially free of contaminants normally found in crude oil, such as
sulphur, aromatics and heavy metals.

          Syntroleum believes that a significant opportunity exists for the use
of cost-effective GTL plants due to the large resource base of natural gas
worldwide and the large volume of natural gas that is currently stranded.
Stranded gas exists in reservoirs that have been discovered but for which no
economical market has been found.  The United States Department of Energy has
reported worldwide identified natural gas reserves of 5,011 trillion cubic feet
as of January 1, 1996.  Wood MacKenzie Consultants Limited ("Wood MacKenzie")
and others have estimated that of the world's identified natural gas reserves,
approximately one-half, or 2,500 trillion cubic feet, are stranded.  This
stranded gas would generally be convertible into approximately 250 billion
barrels of synthetic crude oil using GTL technology. According to industry
sources, approximately 15.5 trillion cubic feet of stranded natural gas was
flared, vented or reinjected in 1996.  This gas would generally be convertible
into approximately 1.5 billion barrels of synthetic crude oil per year (4.1
million barrels per day) using GTL technology.

Business Strategy

          Syntroleum's objective is to be a leading GTL technology provider to
the oil and gas industry.  Its business strategy to achieve this objective
involves the following key elements.

          Broadly License the Syntroleum Process.  Syntroleum intends to
continue offering licenses to the Syntroleum Process and related proprietary
catalysts to the oil and gas industry for the production of synthetic crude oil
and liquid fuels primarily outside of North America.  To date, Syntroleum has
entered into license agreements with Texaco Inc. ("Texaco"), Atlantic Richfield
Company ("ARCO"), Marathon Oil Company ("Marathon"), YPF International, Ltd., an
affiliate of Argentina-based Yacimientos Petroliferos Fiscales, S.A. ("YPF"),
Enron Capital & Trade Resources Corp. ("Enron") and Kerr-McGee Corporation
("Kerr McGee").  Syntroleum believes that substantial long-term revenues can be
derived from license fees and catalyst sales to licensees.

          To support its licensing efforts and facilitate the design and
construction of GTL plants by licensees, Syntroleum intends to continue to
establish relationships with engineering companies and manufacturers of critical

                                      -1-
<PAGE>
 
components.  Syntroleum has established strategic relationships with the
engineering firms of Bateman Engineering, Inc. ("Bateman"),  Kellogg Brown &
Root, Inc. ("Kellogg Brown & Root") and AMEC Process and Energy Limited
("AMEC").  In addition, Syntroleum has established strategic relationships with
critical component and process vendors, including Criterion Catalyst Company,
L.P. ("Criterion") (a catalyst manufacturer whose owners are Royal Dutch Shell
Petroleum Company ("Shell") and Cytec Industries), Catalytica Combustion
Systems, Inc. ("Catalytica Combustion Systems"), GE Power Systems ("GE Power
Systems") and Lyondell Chemical Company ("Lyondell").  Syntroleum is actively
pursuing similar relationships with other engineering companies and component
vendors.

          Syntroleum generally obtains title or exclusive rights to inventions
or improvements that result from its joint development activities with others.
Under its license agreements, Syntroleum obtains royalty-free license rights,
including sublicense rights, to all inventions or improvements relating to the
Syntroleum Process that are commercially used by its licensees.  As a result of
these rights, Syntroleum believes that widespread licensing, combined with
Syntroleum's research and development activities to further improve the
Syntroleum Process, will enhance Syntroleum's ability to gain an advantage over
competing technologies and allow Syntroleum to strengthen its relationships with
existing licensees and attract new licensees.

          Own Specialty Product GTL Plants.  Syntroleum intends to establish
joint ventures with its licensees and other oil and gas industry partners and/or
financial partners to design, construct and operate GTL plants designed to
produce fuels and high margin specialty products. Syntroleum's license
agreements do not permit licensees to use the Syntroleum Process for the
production of specialty products due to Syntroleum's desire to retain these
markets for its own commercial development.  Syntroleum has formed a joint
venture with Enron with respect to the development of a proposed 8,000 barrel
per day GTL plant and is currently in discussions with several other potential
participants in this joint venture.   Specialty product plants would enable
Syntroleum to gain experience with the commercial operation of plants based on
the Syntroleum Process and, if successful, would provide more consistent
revenues than license fees.
 
          Provide Mobile GTL Plants on a Contract Basis.  Syntroleum intends to
make available mobile GTL plants to customers on a contract basis through
efforts with industry partners and others.  Syntroleum believes that significant
market potential exists for these mobile GTL plants in various applications,
including: (1) extended well testing in areas with stringent flaring
regulations; (2) conversion of small associated gas fields that are not large
enough to justify the capital investment of a permanent GTL plant; and (3)
short-term use of a GTL plant on large fields in order to generate cash flow
while a permanent GTL plant is being built or while awaiting pipeline
connection.

          Further Reduce Costs Through Research and Development Activities and
Acquisitions.  Syntroleum intends to continue its research and development
activities with a focus on developing further improvements to the Syntroleum
Process and further reducing the capital and operating costs of GTL plants based
on the Syntroleum Process.  Syntroleum conducts its research and development
activities utilizing its own resources and through joint development
arrangements with its licensees and other industry partners.  Texaco, ARCO,
Marathon, Bateman, GE Power Systems, DaimlerChrysler AG ("DaimlerChrysler") and
AGC Manufacturing Services, Inc. ("AGC") have participated or are currently
participating in specific joint development projects with Syntroleum.   In
addition, Syntroleum has a catalyst research and development relationship with
Catalytica Advanced Technologies, Inc. ("Catalytica Advanced Technologies").
Syntroleum is actively pursuing similar relationships with other oil and gas
companies, engineering companies and technology providers as potential joint
development partners or providers of complementary technologies that might
enhance or improve the Syntroleum Process.

          Syntroleum also reviews technological advances made by others and
actively seeks to acquire technologies that enhance the Syntroleum Process.
Through its license and joint development agreements, Syntroleum has acquired
various proprietary technologies, patents and patent applications relating to
several improvements to the Syntroleum Process.

                                      -2-
<PAGE>
 
          Syntroleum believes that the network created through its license and
joint development agreements, along with its strategic alliances with
engineering companies and critical component vendors, will allow Syntroleum to
more rapidly commercialize and improve the Syntroleum Process.  Syntroleum also
believes that this network will provide Syntroleum and its licensees with an
important competitive advantage and enhance Syntroleum's ability to attract
additional licensees and joint development partners.

          Syntroleum's major customers for licensing and contract GTL plants are
expected to be energy companies worldwide with significant stranded natural gas
reserves that cannot be economically marketed and are therefore generally shut-
in, flared or reinjected.  Syntroleum believes that these energy companies could
significantly enhance the value of their reserves by using the Syntroleum
Process to convert such natural gas into liquids that could be economically
marketed. Syntroleum's major customers for specialty products are expected to
include many of these energy companies, as well as a variety of manufacturing,
chemical, refining and oil field service companies.

Industry Overview

          Syntroleum believes that significant opportunity exists for the use of
cost-effective GTL plants due to (1) the large volume of natural gas that is
currently stranded and (2) the significant liquid hydrocarbon markets available
to absorb the production from GTL plants.

          Set forth below and elsewhere in this Annual Report on Form 10-K are
estimates of identified reserves of oil and natural gas.  These estimates do not
constitute proved reserves in accordance with the regulations of the Securities
and Exchange Commission.  Under Securities and Exchange Commission regulations,
proved oil and gas reserves are the estimated quantities of crude oil, natural
gas and natural gas liquids which geological and engineering data demonstrate
with reasonable certainty to be recoverable in future years from known
reservoirs under existing economic and operating conditions, i.e., prices and
costs as of the date the estimate is made.  Syntroleum compiled these estimates
of identified reserves from the referenced industry publications and other
publicly available reports to identify the order of magnitude of the oil and gas
resource base and does not purport to have independently verified this
information. Accordingly, no assurance can be given as to the existence or
recoverability of the estimates of identified reserves of oil and natural gas
set forth in this Annual Report on Form 10-K.  References below and elsewhere in
this Annual Report on Form 10-K to the convertibility of identified amounts of
natural gas into amounts of synthetic crude oil assume that all of the
referenced natural gas could be converted at anticipated conversion rates.
Actual amounts of synthetic crude oil produced will vary based on the ability of
the producer to extract the natural gas, the composition of the natural gas and
process conditions selected for the plant and such variance may be material.

          Natural Gas Resource Base

          The world's natural gas resource base is very large.  The United
States Department of Energy has reported worldwide identified natural gas
reserves of approximately 5,011 trillion cubic feet as of January 1, 1996.  This
gas would generally be convertible into approximately 500 billion barrels of
synthetic crude oil using GTL technology.

          The following table presents the 1996 worldwide identified natural gas
reserves, consumption and ratio of reserves to consumption (i.e., reserve life)
by region.

                                      -3-
<PAGE>
 
       1996 Worldwide Natural Gas Reserves, Consumption and Reserve Life

<TABLE>
<CAPTION>
 
                                                                                 Reserves to
                                                                                 Consumption
                                                                      1996          Ratio
                 Region                          Reserves         Consumption   (Reserve Life)
                 ------                   ----------------------  ------------  --------------
                                          (trillion  cubic feet)   (trillion
                                                                  cubic feet)      (years)
<S>                                       <C>                     <C>           <C>
Central and South America..............            214                3.0              71
Africa and the Middle East.............          1,960                6.0             327
Asia...................................            363                8.0              45
Europe.................................            169               12.3              14
North America..........................            299               26.0              11
Russia and other former Soviet Union             2,006               22.0              91
 regions...............................          -----               ----             ---
     Total.............................          5,011               77.3              65
                                                 =====               ====             ===
</TABLE>
- --------------------------------------
Source: Oil & Gas Journal, August 11, 1997

          Additionally, according to the August 11, 1997 edition of the Oil &
Gas Journal, identified natural gas reserves have been growing at a rapid rate,
almost doubling in size from 2,540 trillion cubic feet in 1976 to 5,011 trillion
cubic feet in 1996.  This has extended the reserve life for worldwide identified
reserves from 53 years in 1976 to 65 years in 1996.  This increase occurred
despite the fact that, over the same time frame, demand for natural gas
increased 60%.  Syntroleum believes these statistics demonstrate the need for a
cost-effective market for this growing resource.

          Natural Gas Field Size Distribution

          The table below lists an estimate of the distribution by field size of
natural gas fields located outside North America.  Only 86 of these fields are
larger than five trillion cubic feet, which is generally considered to be the
minimum size necessary to support the development of a full-scale liquid natural
gas  plant. Syntroleum believes that fields with natural gas reserves as low as
 .01 trillion cubic feet will be able to economically support a GTL plant based
on the Syntroleum Process.  As a result, Syntroleum believes that, based on
field size and portability, GTL plants based on the Syntroleum Process can
potentially access over 2,000 of these fields, holding approximately 95% of the
reserves held in such fields.

                        The World's Natural Gas Fields

          Reserves                                      Number of Fields
          --------                                      ----------------
     (Trillion cubic feet)
     Between 50 and 500..................................      15
     Between 5 and 50....................................      71
     Between 1 and 5.....................................     234
     Between .5 and 1....................................     269
     Between .25 and .5..................................     276
     Between .1 and .25..................................     475
     Between .01 and .1..................................   1,195
     Less than .01.......................................   1,913
                                                            -----
                                                            4,448
                                                            =====
_____________________
Source: Oil & Gas Journal, February 15, 1993

                                      -4-
<PAGE>
 
          Stranded Natural Gas Reserves

          Wood MacKenzie and others have estimated that of the world's
identified natural gas reserves, approximately one-half, or 2,500 trillion cubic
feet, are stranded.  This stranded gas would generally be convertible into
approximately 250 billion barrels of synthetic crude oil using GTL technology.

          The term "stranded gas" generally refers to gas which exists in
reservoirs that have been discovered, but no economical market can be found for
the production or production would be too prolific for the limited markets
available.  Natural gas that is stranded can be managed in the following ways.

          Shut-in Natural Gas.  When stranded natural gas reserves have no
associated oil reserves, the natural gas is typically not produced.  Based on a
resource study prepared for Syntroleum by Petroconsultants, Inc.
("Petroconsultants"), there are at least 394 fields of at least .5 trillion
cubic feet located outside North America that are not associated with oil
reserves and hold approximately 1,488 trillion cubic feet of currently
unmarketable natural gas reserves.  This gas would generally be convertible into
approximately 149 billion barrels of synthetic crude oil using GTL technology.

          Flared and Vented Natural Gas.  When stranded natural gas reserves are
associated with oil reserves, the natural gas produced is typically flared or
vented if allowed by applicable law. According to industry sources, an aggregate
of approximately 4.1 trillion cubic feet of natural gas was flared or vented
worldwide in 1996.  This gas would generally be convertible into approximately
one million barrels per day of synthetic crude oil using GTL technology.

          Re-injected Natural Gas.  When flaring is not permitted by law and the
nature of the geologic formation permits, stranded natural gas is often
reinjected when associated with oil reserves. According to industry sources,
approximately 11.4 trillion cubic feet of natural gas was reinjected worldwide
in 1996.  This gas would generally be convertible into approximately three
million barrels per day of synthetic crude oil using GTL technology.

          Shut-in Oil.  The presence of natural gas in association with oil
reserves often results in the oil and gas not being produced if flaring is not
permitted by law and reinjection of the natural gas is not a practical
alternative due to the nature of the geologic formation or the economics of the
project.  Syntroleum is not aware of any published estimates of shut-in oil
reserves.

          The large amount of stranded natural gas is caused by four primary
factors: the overall size of the gas resource base and the relatively small size
of many fields (as discussed above), the location of the gas relative to its
markets, the cost to transport the gas to those markets and the relatively small
size of the markets for products such as ammonia and methanol that can be made
from the gas.

          Location of Gas Relative to Markets.  Much of the world's stranded
natural gas is located in areas where there is no local market and the distance
to large consuming areas is great. This makes transportation costs high and
often renders development projects uneconomic.  As shown in the table under "--
Industry Overview-Natural Gas Resource Base", the Africa and the Middle East and
Russia and other former Soviet Union regions have a large percentage of
reserves, low levels of production and reserves that are long distances from gas
markets.  This situation creates stranded gas which is manifested in the high
reserve to production ratios shown.

          Transportation Costs.  Even in circumstances where a transportation
system is available for natural gas, the cost of transporting natural gas in a
gaseous state is generally substantially higher, on an energy equivalent basis,
than that of oil.  For example, according to published pipeline tariffs, the
cost to transport natural gas approximately 1,600 miles via pipeline from
Houston to Boston is approximately $.80 per million British thermal units, equal
to $4.80 per barrel of oil equivalent (assuming 6 million British thermal units
per barrel), while the cost to transport crude oil from the Middle East via
tanker to Boston, a distance of approximately 6,500 miles, is less than $1.00
per barrel.

                                      -5-
<PAGE>
 
          Natural gas can also be transported as liquefied natural gas.  In an
article published in the July 3, 1995 edition of the Oil & Gas Journal, Mobil
Oil Corporation estimated that a five million ton per year liquefied natural gas
plant would incur capital costs of between $9 and $13 billion (including
conversion plant, dedicated liquefied natural gas tankers and regasification
facilities).  On the other hand, Syntroleum estimates that a GTL plant producing
the same energy output would cost substantially less than this amount and would
not require dedicated shipping or unloading facilities.

          Small Alternative Natural Gas Markets.  Syntroleum estimates that the
worldwide liquefied natural gas market is approximately 1.2 million equivalent
barrels per day, which is relatively small compared to the approximately 57
million barrels per day transportation fuels markets.  Natural gas can also be
converted to products such as ammonia and methanol.  Syntroleum currently
estimates that the market for ammonia on a barrel of oil equivalent basis is
approximately 780,000 barrels per day and the market for methanol on a barrel of
oil equivalent basis is approximately 280,000 barrels per day. These markets are
small relative to the size of the worldwide natural gas resource base and
relative to the approximately 74 million barrels per day market for crude oil
and related products.

          Markets for Synthetic Crude Oil Products

          The markets for many of the products that can be produced using the
Syntroleum Process and conventional refining techniques are very large.  As a
result, Syntroleum believes that even if substantial volumes of synthetic crude
oil created from natural gas were to flow into these markets, these additional
volumes would not cause a significant degradation of price.  The following table
presents the worldwide consumption of refined petroleum products for the years
1986, 1991 and 1996.

              Worldwide Consumption of Refined Petroleum Products
<TABLE>
<CAPTION>
 
<S>                       <C>                    <C>     <C>
Product                                    1986    1991    1996
- -------                                  ------  ------  ------
                                          (millions of barrels)
Gasolines (1).........................    5,022   5,609   6,431
Middle Distillates (2)................    6,012   6,820   8,253
Others (3)............................    6,600   7,216   7,790
                                         ------  ------  ------
    Total                                17,634  19,645  22,474
                                         ======  ======  ======
</TABLE>
_________________
(1)  Consists of aviation and motor gasoline and light distillate feedstock.
(2)  Consists of jet and heating kerosenes and gas and diesel oils.
(3)  Consists of fuel oil, refinery gas, propane, solvents, petroleum coke,
     lubricants, bitumen, wax and refinery fuel and loss.

Source: The British Petroleum Company p.c. Statistical Review of World Energy,
1997.

The Syntroleum Solution

          Syntroleum expects that the Syntroleum Process will be an attractive
solution for oil and gas companies with stranded natural gas reserves based on
its belief that the Syntroleum Process can be:

          . a relatively low cost process

          . used in relatively small formats

          . adaptable to feedstock quality, the location of the reserves and the
desired end products

                                      -6-
<PAGE>
 
          . made portable in sizes up to 10,000 barrels per day

          Low Cost.  Historically, the most significant obstacle to widespread
commercial use of GTL technology has been cost.  Because the Syntroleum Process
is less complex than traditional GTL technologies, Syntroleum believes that GTL
plants based on the Syntroleum Process will have lower capital and operating
costs than comparable-sized GTL plants based on traditional technology.

          Small Formats.  Given the large number of small fields containing
unmarketable natural gas, GTL plants that are economic only at high levels of
throughput have limited application.  For example, of the 4,448 natural gas
fields located outside North America shown in the table under "Industry
Overview-Natural Gas Field Size Distribution," (1) approximately 86 contain
sufficient reserves to support a 50,000 barrel per day plant, (2) approximately
234 contain sufficient reserves to support a 10,000 to 50,000 barrel per day
plant, (3) approximately 269 contain sufficient reserves to support a 5,000 to
10,000 barrel per day plant, and (4) approximately 275 contain sufficient
reserves to support a 2,500 to 5,000 barrel per day plant, in each case for a
typical 30-year plant life.  In addition, approximately 1,670 of these 4,448
fields contain sufficient reserves to support a 2,000-barrel-per-day plant for
less than a 30-year plant life.  Syntroleum believes that GTL plants based on
the Syntroleum Process can be cost-effective at throughput levels as low as
2,000 barrels per day and consequently could potentially be used at over 50% of
these 4,448 fields, representing over 95% of the total reserves held in all of
such fields.

          Adaptable.  Syntroleum also believes that GTL plants based on the
Syntroleum Process can be adapted to use lower quality feedstock and can be
located in isolated and remote locations.  For example, Syntroleum believes that
impurities such as nitrogen and carbon dioxide will not need to be completely
removed in order for natural gas to be used as a feedstock in GTL plants based
on the Syntroleum Process.  However, other impurities, such as sulfur compounds
or trace metals, must be removed from natural gas prior to processing.  Due to
their relatively small footprint, Syntroleum believes GTL plants based on the
Syntroleum Process can be placed on skids, barges and ocean-going vessels,
allowing these plants to be used at a variety of locations, including isolated
and offshore areas where Syntroleum believes a majority of natural gas fields
are located.  Moreover, because the Syntroleum Process is a net energy
generator, Syntroleum believes that these plants can be located in remote areas
without the need for any additional power supply.

          Portable.  Because of their high capital costs, gas pipelines and
other traditional methods for commercialization of natural gas resources require
significant reserves and established local markets to be economically feasible.
However, due to the potential portability of smaller-sized GTL plants based on
the Syntroleum Process, Syntroleum believes that these plants may in some
circumstances be used to convert smaller quantities of in-place reserves than
would be necessary to support a traditional project.  Syntroleum also believes
that this portability, together with the global nature of the markets for liquid
hydrocarbons, will reduce the risk involved in GTL projects as compared to
traditional methods of commercialization.

Implementation of Syntroleum's Business Strategy

          The following sets forth Syntroleum's progress to date in implementing
its business strategy.  Although, Syntroleum has made significant progress
towards commercializing the Syntroleum Process, no assurance can be given that
licensees will construct any plants under their license agreements, that
financing for specialty product or mobile GTL plants will be obtained by
Syntroleum, that design and construction of any of these plants will be
successfully completed, that any of these plants will be commercially successful
or that these plants will be constructed or utilized on a cost-effective basis.
See "Risks Relating to the Syntroleum Process" and "Item 7.  Management's
Discussion and Analysis of Financial Condition and Results of Operations --
Additional Financing Requirements and Access to Capital Funding."

                                      -7-
<PAGE>
 
          Licensing Arrangements

          Syntroleum currently markets four types of license agreements:
 
          .  Master license agreements, which generally grant to the licensee
             the non-exclusive right to enter into an unlimited number of site
             license agreements to construct GTL plants based on the Syntroleum
             Process to produce fuels worldwide, except in North America (due to
             Syntroleum's desire to retain this region for its own commercial
             development) and China and India (in each case due to intellectual
             property protection concerns).

          .  Volume license agreements, which generally grant to the licensee
             the non-exclusive right to enter into an unlimited number of site
             license agreements to construct GTL plants based on the Syntroleum
             Process in areas outside of North America, China and India, subject
             to specified aggregate production capacity limits.

          .  Regional license agreements, which generally grant to the licensee
             the non-exclusive right to enter into an unlimited number of site
             license agreements to construct GTL plants based on the Syntroleum
             Process within a designated region (generally not expected to
             include North America, China or India).

          .  Site license agreements, which generally grant to the licensee the
             non-exclusive right to use the Syntroleum Process in a GTL plant at
             a single specified location for the life of the plant and may be
             granted under Syntroleum's master, regional or volume license
             agreements or may be granted to licensees for a specific site who
             have not otherwise entered into a master, regional or volume
             license agreement.

          By entering into a master, volume or regional license agreement, a
licensee obtains the right to use the Syntroleum Process and to acquire
catalysts from Syntroleum, secures pricing terms for site licenses and obtains
rights to future improvements in Syntroleum's GTL technology.  Syntroleum's
first license agreement was a master license agreement entered into with Texaco
in September 1996.  To date, Syntroleum has also entered into master license
agreements with ARCO and Marathon, and has entered into volume license
agreements with YPF, Enron and Kerr-McGee.  Syntroleum intends to continue to
market the Syntroleum Process for license primarily to major oil and gas
companies with significant stranded natural gas reserves.

          The following description summarizes the principal terms and
conditions of the forms of Syntroleum's license agreements, does not purport to
be complete and is qualified in its entirety by reference to the form of
Syntroleum's master license agreement, a copy of which has been filed as an
exhibit to this Annual Report on Form 10-K.  Agreements entered into with
specific licensees may differ in material respects from the current forms of
Syntroleum's license agreements.

          Initial Deposits and License Fees.  At the inception of a master,
volume or regional license agreement, the licensee is generally required to make
an initial deposit to Syntroleum, the amount of which is credited against future
site-specific license fees.  The amount of the initial deposit depends on market
conditions and, in the case of volume and regional license agreements, the
volume limitation and the size and location of the region covered.  Syntroleum
has received an aggregate of $11 million in cash as initial deposits and option
fees under its existing license agreements.  In some cases, Syntroleum has
acquired technologies or commitments to provide funding for future development
activities in lieu of initial cash deposits in cases where Syntroleum viewed
these technologies or commitments as being more valuable than the initial cash
deposit.

          Generally, the amount of the license fee for site licenses under
Syntroleum's master, volume and regional license agreements is determined
pursuant to a formula based on the discounted present value of the product of
(1) the annual maximum design capacity of the plant, (2) an assumed life of the
plant and (3) Syntroleum's per barrel

                                      -8-
<PAGE>
 
rate, which currently is approximately $.50 per barrel of daily capacity.
Syntroleum's license fees for new plants may change from time to time based on
the size of the plant, improvements that reduce plant capital cost and
competitive market conditions. Syntroleum's existing master and volume license
agreements allow for the adjustment of fees for new site licenses under certain
circumstances. Syntroleum expects that license fees under existing agreements
will be paid in increments when certain milestones during the plant design and
construction process are achieved.

          Licensee Support.  Syntroleum believes that support of its licensees
both before and after they have executed a license agreement is critical to
facilitate the development and construction of multiple GTL plants based on the
Syntroleum Process.  Syntroleum intends to provide this support directly through
its internal engineering department and through its relationships with Bateman,
Kellogg Brown & Root, AMEC and other engineering companies and component
manufacturers.  Syntroleum's engineers and business development managers seek to
establish support relationships with its licensees as they move through the
process of developing and constructing plants.  Syntroleum has held and intends
to continue to hold educational seminars for its licensees and prospective
licensees that cover a variety of GTL topics, such as project evaluation, data
requirements for feasibility studies and different process designs.

          Catalyst Sales and Process Design Packages.  Syntroleum's license
agreements grant the licensee the right to acquire from Syntroleum or vendors
designated by Syntroleum any proprietary catalyst used in either the synthesis
gas reaction or the Fischer-Tropsch reaction, in each case at prices based on
Syntroleum's cost plus a margin.  Syntroleum's license agreements require
Syntroleum's catalyst to be used in the initial fill for the licensee to receive
Syntroleum's process guarantee.  After the initial fill, the licensee may use
other catalyst vendors if appropriate catalysts are available. Syntroleum
currently estimates that these catalysts will be required to be replaced every
three to five years.  Licensees also have the right to acquire proprietary
reactors used in the Syntroleum Process from vendors approved by Syntroleum.  In
addition, under Syntroleum's license agreements, licensees are required to
purchase a process design package for plants covered by the license from
Syntroleum at a fee based on Syntroleum's costs plus a specified margin.
Syntroleum may, however, develop the process design package with the assistance
of a third party.  Syntroleum is also required to provide certain technical
support to licensees at specified fees.

          Other License Terms.  The term of a master, volume or regional license
agreement is generally the later of 15 years following its effective date or
five years following the effective date of the last site license issued under
the agreement.  Rights of a licensee to acquire site licenses under Syntroleum's
master, volume and regional license agreements would survive a change of control
of Syntroleum.

          Under its license agreements, Syntroleum acquires a royalty-free
license to any invention or improvement to the Syntroleum Process that is
developed by the licensee (together with the right to grant corresponding
sublicenses to certain of its other licensees).  Licensees also acquire the
right to use subsequent inventions or improvements to the Syntroleum Process
that have been placed in commercial use or are suitable for commercial use for
which Syntroleum has royalty-free licensing rights and is offering to license to
others.  Due to Syntroleum's desire to retain the rights to produce specialty
products for its own commercial development, each license agreement with non-
affiliates of Syntroleum currently provides that the licensee is entitled only
to produce synthetic crude oil and liquid fuels at plants based on the
Syntroleum Process and is not entitled to produce specialty products.

          License agreements generally provide that Syntroleum is required to
indemnify the licensee against certain losses arising out of (1) the use of
patent rights and technical information relating to the Syntroleum Process and
(2) acts or omissions in the preparation and content of the process design
packages and certain other matters.  Syntroleum anticipates that licensees may
require Syntroleum or an engineering firm to provide a process guarantee with
respect to certain elements of the Syntroleum Process as a condition to entering
into site license agreements.  Under its existing license agreements,
Syntroleum's obligations under these indemnity provisions and any separate
process guarantees are, however, limited to 50% of the total fees received with
respect to each license.

                                      -9-
<PAGE>
 
          Specialty Product GTL Plants

          Syntroleum intends to design and construct GTL plants that produce
specialty products, such as synthetic lubricants, synthetic drilling fluids,
waxes, liquid normal paraffins and certain chemical feedstocks.  Syntroleum
intends to own these plants through joint ventures and retain significant equity
interests in these joint ventures.  In most cases, these specialty plants will
require additional refining technologies and expertise to convert and separate
synthetic crude oil into the desired products.
 
          Initial Specialty Product GTL Plant.  In May 1997, Syntroleum formed a
joint venture through which Syntroleum intends to develop an 8,000 barrel per
day specialty product plant.  The plant was initially planned to be constructed
in Sweetwater County, Wyoming.  In addition to the Wyoming site, several
alternative sites at which lower cost natural gas could be obtained are
currently under consideration.  Syntroleum has issued a site license and
contributed a total of $2 million to this joint venture.  Syntroleum intends to
contribute an additional $15 million at the closing of the financing for the
plant and, based on current plans, would retain a majority interest in this
joint venture.  However, if Syntroleum obtains additional capital, it may
increase such contribution and retain an additional interest.  Enron has
contributed $1 million in exchange for a four percent interest in the joint
venture and agreed to contribute an additional $14 million for an additional
seven percent interest upon closing of the financing for the plant.  The capital
costs of this plant are currently expected to be funded by a combination of
project senior and subordinated debt and additional equity financing.  Actual
ownership percentages may vary from current estimates depending on the terms of
subsequent financings.
 
          Syntroleum currently expects that Bateman and another major
engineering firm will design and construct the plant. Syntroleum is the managing
member of this joint venture, but it may subcontract with a third party that
would manage the operations of the plant.  Syntroleum currently anticipates that
this plant will produce lube oil, normal paraffins, drilling fluid, naphtha and
electricity.

          Syntroleum is currently reviewing preliminary design and cost
estimates for the plant and exploring sources of debt and equity capital to fund
final design and construction.  However, there can be no assurance that the
necessary capital for this project will be obtained.  The schedule for
construction of this plant has not yet been finally determined.  See "Item 7.
Management's Discussion and Analysis of Financial Condition and Result of
Operations."
 
          The Joint Venture GTL Plant.  In November 1997, Syntroleum, Texaco and
Kellogg Brown & Root entered into a project development agreement for the
development of a small GTL plant based on the Syntroleum Process.  In July 1998,
the parties extended the term of the agreement to July 15, 1999.  During the
third quarter of 1998, Kellogg Brown & Root informed Syntroleum of its decision
not to participate in the project as an equity holder while expressing an
interest in continuing to provide engineering and construction services to the
project.  The project development agreement provides that Syntroleum and Texaco
will initially contribute up to $1.5 million to the project in cash and that
additional contributions may be made by the parties at or after the formation of
the joint venture.  To date, the parties have spent approximately $1.3 million
on the project.
 
          The first phase of the project, which involved preparation of a
feasibility study, has been completed.  Because of the difficulty in attracting
the necessary capital for the project in the current climate of low oil and gas
prices, the project has been suspended.    Syntroleum is currently reviewing
smaller plant designs capable of achieving similar objectives of the original
project and which Syntroleum believes would be capable of attracting the
necessary equity and/or debt capital for design and construction.  Several of
Syntroleum's licensees have expressed interest in such a revised project.
However, there can be no assurance that this project will be resumed or that the
necessary capital will be obtained.
 
          Additional Specialty Product GTL Plants. Pursuant to an agreement with
Texaco, Syntroleum granted to Texaco the right to participate with Syntroleum in
up to three specialty product GTL plants. Syntroleum is also in discussions with
several oil and gas companies and anticipates forming additional joint ventures
in order to finance,

                                      -10-
<PAGE>
 
construct and operate additional specialty product GTL plants worldwide.
Syntroleum's plans for these plants will focus on partnering with companies who
have low-cost gas reserves in strategic locations and/or have distribution
networks in place for the specialty products to be produced in these plants.

          Contract GTL Plants

          Syntroleum believes that GTL plants based on the Syntroleum Process
can be placed on skids, barges and ocean-going vessels.  Through efforts with
industry partners and others, Syntroleum intends to make available these mobile
GTL plants for use by oil and gas companies on a contract basis. Syntroleum
plans to make available contract services to customers that do not desire to
enter into a license agreement and build a licensed plant because (1) the
customer needs to conduct extended well testing in areas with stringent flaring
regulations, (2) the customer needs to use a GTL plant in small associated gas
fields that are not large enough to justify the capital investment of a
permanent GTL plant, (3) the customer needs to use a GTL plant on a short-term
basis on a large field in order to generate cash flow while a permanent GTL
plant is being built or while awaiting pipeline hookup, or (4) for other
reasons. Syntroleum anticipates that these plants would be designed so that they
would be operational at a variety of locations, which would enable the plants to
be relocated to new fields with minimal modifications.

          Research and Development

          One of Syntroleum's key strategies is to continue to lower the cost of
its GTL technology through research and development. Syntroleum's current
laboratory has 13 fixed tubular reactors, one HMX reactor, two moving bed slurry
reactors and three continuous stirred tank reactors in which automated tests are
run and catalyst systems are evaluated and developed. As of March 1, 1999,
Syntroleum had 38 employees in its laboratory, pilot plant and engineering
departments, 24 of which are chemists, engineers or other degreed professionals
(12 with masters or Ph.D. degrees) devoted to research and development
activities.  A number of other chemists, engineers and professionals that are
employed by Syntroleum's licensees and joint development partners are also
contributing efforts to the further development of the Syntroleum Process.
Syntroleum has recently acquired an additional laboratory facility that contains
approximately 16,500 square feet and is located on approximately 100 acres of
land and plans to expand its research and pilot plant capabilities further at
this facility.

          Syntroleum also has access to laboratory and test facilities through
its joint development partners. For example, both Texaco and ARCO have performed
catalyst tests at their own or contract facilities, and testing with Catalytica
and Marathon regarding low heating value gas combustion has been conducted at
Catalytica's and AGC's test facilities. Additionally, Syntroleum has its own
technical experts as well as access to the technical experts of its joint
development partners.  Several of Syntroleum's joint development partners have
employees working on research and development activities related to improving
the Syntroleum Process.

          Syntroleum's research and development efforts will take place in four
primary areas: process design, catalyst development, reactor design and heat
integration/power recovery.  For a discussion of Syntroleum's efforts in these
areas, see "The Syntroleum Process."

Strategic Relationships

          Syntroleum has sought to rapidly improve and commercialize the
Syntroleum Process by entering into relationships with engineering companies,
component manufacturers and other companies that provide complementary expertise
and technology.  Syntroleum believes that these relationships

          .  result in significant contributions toward the development and
             commercialization of the Syntroleum Process
          .  contribute to Syntroleum's marketing program
          .  facilitate GTL market growth
          .  reduce competitive risks that smaller companies often face

                                      -11-
<PAGE>
 
Syntroleum intends to continue to seek additional strategic partners with
expertise and technologies from which Syntroleum could benefit.

          Although Syntroleum has entered into agreements with the following
strategic partners, no assurance can be given that these agreements will not be
terminated, that these relationships will continue, or that the anticipated
benefits of the relationships will be obtained.  See "Risks Relating to the
Syntroleum Process."

          Bateman

          Bateman has been an important strategic partner of Syntroleum.  Since
1993, Bateman has provided engineering services in connection with Syntroleum's
pilot plant and other aspects of Syntroleum's development of its GTL technology.
Pursuant to a project development agreement entered into between Bateman and
Syntroleum in March 1997, Syntroleum has agreed to utilize Bateman to assist in
the development of Syntroleum-owned specialty product GTL plants in North and
South America.  Bateman is entitled to provide all process design packages, as
well as engineering, procurement, construction and project management services,
for the construction of such plants, provided that Bateman satisfies the
financial or performance criteria required by the parties providing equity and
debt financing for the plant.  Under its agreement with Bateman, Syntroleum
acquires title to all inventions and improvements to the Syntroleum Process that
result from the collaborative efforts of Bateman and Syntroleum.

          Kellogg Brown & Root

          Kellogg Brown & Root has also been an important strategic partner of
Syntroleum.  Since 1996, Kellogg Brown & Root has provided engineering services
in connection with Syntroleum's pilot plant and other aspects of Syntroleum's
development of its GTL technology. Syntroleum and Kellogg Brown & Root are
parties to an agreement under which Kellogg Brown & Root is authorized to
provide engineering services to Syntroleum and its licensees.  Under an
intellectual property agreement with Kellogg Brown & Root, Syntroleum acquires
title to all inventions and improvements to the Syntroleum Process created by
Kellogg Brown & Root that result from the collaborative efforts of the parties.

          Texaco

          Syntroleum first began discussions with Texaco in 1993 to evaluate
Syntroleum's GTL technologies.  In February 1995, Syntroleum entered into a
research and development agreement with Texaco to support the initial
development of Syntroleum's chain limiting catalyst.  Texaco provided
approximately $265,000 for development activities under this agreement over a
two-year period.  Under this agreement, Syntroleum also acquired from Texaco
certain data relating to the Hydrocol plant formerly located in Brownsville,
Texas and operated by Texaco in the early 1950s.

          In connection with entering into a master license agreement with
Syntroleum in September 1996, Texaco entered into a joint development agreement
with Syntroleum pursuant to which Texaco agreed to fund additional joint
research and development activities.  Under this agreement, Texaco contributed
certain reactor technology and agreed to fund all activities of the parties
under the agreement. Based on this technology, the parties have engaged in the
joint development of the HMX reactor and related catalyst system.  As of March
1, 1999, Texaco had spent approximately $3.5 million  for joint development
activities under this agreement, including approximately $1.4 million during
1998 which represents approximately 31% of Syntroleum's revenue for 1998.  Under
its joint development agreement with Texaco, Syntroleum retains title to all
inventions and improvements to the Syntroleum Process that result from
collaborative activities.  In addition, for its commitment of research and
development funds, Texaco receives a limited discount on future license fees
which may be otherwise due under its master license agreement.

                                      -12-
<PAGE>
 
          ARCO

          ARCO has worked with Syntroleum since 1993 in the evaluation of
certain variations on the Syntroleum Process for designs applicable to certain
of ARCO's natural gas properties. In March 1994, ARCO and Syntroleum entered
into two research and development agreements relating to Syntroleum Process
design and Syntroleum's chain limiting catalyst, respectively.

          Pursuant to the terms of its joint development agreement entered into
with Syntroleum in April 1997, Syntroleum also has acquired from ARCO certain
patent applications relating to gas turbine integration and Fischer-Tropsch
reactor designs.  ARCO is currently constructing a 70 barrel per day pilot plant
at ARCO's Cherry Point Refinery near Bellingham, Washington.  This pilot plant
will test a moving bed slurry reactor configuration and associated catalyst and
a high pressure autothermal reformer design.  During the fourth quarter of 1998,
major modules for the plant were shipped to the plant site.  Construction of
this pilot plant is expected to be completed during the second quarter or early
third quarter of 1999.  Under its development agreements with ARCO, Syntroleum
retains title to all inventions and improvements to the Syntroleum Process that
result from collaborative activities.  In addition, for its commitment of
research and development funds, ARCO receives a limited discount on future
license fees which may be otherwise due under its master license agreement.

          Marathon

          Syntroleum first began discussions with Marathon in 1994 to evaluate
Syntroleum's GTL technologies. In connection with Syntroleum's master license
agreement with Marathon, Syntroleum entered into a separate agreement with
Marathon pursuant to which Syntroleum acquired certain exclusive rights
(including the right to sublicense) in the GTL field under a newly issued United
States patent and a pending United States patent application relating to gas
turbine technology and non-exclusive rights to use such technology outside the
GTL field.  Under its agreement with Marathon, Syntroleum retains title to all
inventions and improvements to the Syntroleum Process that result from
collaborative activities.

          Marathon also participated in and partially funded a joint testing and
development program conducted by Syntroleum and AGC described below.

          Criterion

          One of Syntroleum's principal strategic relationships is with
Criterion, a catalyst company jointly owned by Shell and Cytec Industries.  In
August 1996, Syntroleum entered into an agreement with Criterion that provides
Criterion with the non-exclusive right to manufacture Syntroleum's proprietary
high alpha catalyst for sale by Criterion to Syntroleum for its own use and for
resale to others and, with approval of Syntroleum, directly to approved
licensees of the Syntroleum Process.  The agreement provides for a fixed margin
to be paid to Syntroleum for any sales of catalyst to approved licensees and
that any ideas, developments or improvements related to such catalyst, other
than manufacturing techniques, are the property of Syntroleum.  In addition,
Syntroleum is required to purchase all such catalysts for its own use from
Criterion, subject to certain price and delivery requirements.  Criterion also
agrees to provide Syntroleum with other catalysts made by Criterion, including
the catalyst used in the lube oil isomerization and dewaxing process licensed by
Syntroleum from Lyondell.

          Catalytica Combustion Systems

          In July 1997, Syntroleum entered into a joint testing agreement with
Catalytica Combustion Systems, a manufacturer of low emission catalytic
combustion products, relating to the development of a catalytic combustion
system for use in the Syntroleum Process.  Catalytica Combustion Systems has
developed a proprietary combustion system for the catalytic combustion of
gaseous and liquid hydrocarbons which significantly reduces emission of nitrous
oxide compounds.  Under the agreement, the parties have conducted tests to
determine whether Catalytica Combustion Systems' combustion system design can be
adapted to efficiently combust low heating value fuel with

                                      -13-
<PAGE>
 
low emissions. The combustion systems being tested include those that are fueled
only by low heating value fuel and those that are initially fueled by natural
gas and later fueled by low heating value fuel. The agreement calls for
additional development to create a special combustor that can be fitted for use
on a wide variety of available gas turbines allowing them to utilize the low
heating value residue gases created by the Syntroleum Process. Syntroleum will
have the exclusive right to utilize such combustors supplied by Catalytica
Combustion Systems in GTL applications.

          Catalytica Advanced Technologies

          In April 1998, Syntroleum entered into a technical catalyst services
and development agreement with Catalytica Advanced Technologies.  Under this
agreement, Syntroleum may engage, on a project by project basis, the technical,
research and development services of Catalytica Advanced Technologies to assist
Syntroleum in its ongoing catalyst research, development and manufacturing
activities.

          AGC

          In July 1997, Syntroleum entered into a joint testing agreement with
AGC, which is a packager of gas turbines and systems incorporating gas turbines.
In 1998, the parties completed a series of tests demonstrating that AGC's gas
turbine and related combustion systems can be modified to use low heating value
gas as fuel.  Based on these tests, Syntroleum believes that the technology can
be migrated to various size turbines from various manufacturers, potentially
allowing for the application of a broader range of gas turbines in the
Syntroleum Process.  The technology that allows a gas turbine to use low heating
value gas is based on technology acquired by Syntroleum from Marathon.
Syntroleum and AGC may elect to conduct additional joint development work or
proceed to commercial design and production of the technology for use in plants
based on the Syntroleum Process.

          GE Power Systems

          In December 1998, Syntroleum entered into an agreement with GE Power
Systems to certify GE heavy-duty gas turbines for use in the Syntroleum Process.
Under the agreement, the parties are to cooperate to verify GE's low heating
value gas combustion technology for use in the Syntroleum Process.  GE Power
Systems has begun verification testing which is currently expected to be
completed by the end of 1999.  Verification would allow Syntroleum and its
licensees immediate access to GE turbines for projects under development and
allow for the application of a broader range of turbine sizes in the Syntroleum
Process.  In addition, Syntroleum believes that joint development activities to
be conducted under the agreement will enhance its efforts to continue to lower
the cost of GTL plants based on the Syntroleum Process and to provide more
flexible plant designs.

          DaimlerChrysler

          In October 1998, Syntroleum entered into an agreement with
DaimlerChrysler to develop automobile fuels produced using the Syntroleum
Process.  The agreement calls for DaimlerChrysler to test several fuel
formulations made by Syntroleum on various engines to determine the optimum
physical and chemical characteristics desired for each fuel.  The agreement also
allows for joint testing of lubricants and automatic transmission fluids made
with the Syntroleum Process. Syntroleum believes that fuels designed from the
Syntroleum Process will be able to run in current diesel vehicles without
modification and should be suitable for future technologies such as advanced
clean-burning diesel engines, fuel cells and hybrid electric vehicles.

          AMEC

          In September 1997, Syntroleum entered into an engineering
representation and intellectual property agreement with AMEC, one of Europe's
leading engineering and construction contractors.  The agreement designates AMEC
as an approved engineering contractor for Syntroleum and its licensees.  In
addition, the agreement entitles AMEC to market the Syntroleum Process to
certain third parties, subject to Syntroleum's prior

                                      -14-
<PAGE>
 
approval with respect to proposed licensees. The agreement provides for AMEC to
complete, at its expense, a reference design and associated design support
systems for one type and size of GTL plant identified by Syntroleum and AMEC.
Under the agreement, Syntroleum retains title to all inventions and improvements
to the Syntroleum Process that result from the collaborative efforts of the
parties.

          Lyondell

          In October 1996, Syntroleum entered into an agreement with Lyondell, a
major petrochemical company, whereby Syntroleum acquired an exclusive, royalty-
bearing license to utilize Lyondell's wax isomerization process in the
Syntroleum Process to produce certain synthetic lubricants through at least the
year 2000 and thereafter, provided that Syntroleum meets certain performance
criteria.  Given the current uncertain schedule for construction of GTL plants
using the Syntroleum Process, Syntroleum may seek to extend the term of this
agreement.  The process, which is based on Lyondell's catalytic dewaxing
process, was developed to make synthetic lube base stocks from the waxy
synthetic crude oil produced by the high alpha catalyst in the Syntroleum
Process.  Under this agreement, Lyondell has agreed to provide Syntroleum with
certain technical information and assistance (including training) related to its
wax isomerization process.

Sales and Marketing

          Syntroleum intends to maintain an active marketing and sales effort to
develop and promote the Syntroleum Process through several channels.  Syntroleum
has been and will continue to be an active participant at industry conferences
relating to GTL processes.  During 1998, representatives of Syntroleum spoke at
24 different conferences on four continents.  Syntroleum also intends to
continue to write and publish papers on topics regarding the implications of GTL
technology to the industry.  Additionally, Syntroleum will continue to educate
and inform its customers through the use of multi-media and print presentations.
Syntroleum also intends to establish brand recognition for specialty products to
be produced by its specialty plants.  Syntroleum has received trademark and
service mark rights to the name "Syntroleum" in the United States and has
applications pending to register the trademark in various foreign countries.
 
          In addition, Bateman, Kellogg Brown & Root, AMEC and other engineering
companies are familiar with Syntroleum's GTL technology and have assisted
Syntroleum in marketing the Syntroleum Process.  Syntroleum's agreements with
engineering firms generally provide such firms with the right to market the
Syntroleum Process. Syntroleum believes that these relationships will expand its
marketing effort in a cost-effective manner.  Syntroleum currently has five
employees in its business development and marketing departments, three of which
hold advanced degrees, and retains a full-time sales representative in London,
England.

Historical Development of the Technology

          The Chemistry

          The basis for most GTL technologies, including the Syntroleum Process,
originated in 1923 when two German chemists, Franz Fischer and Hans Tropsch,
discovered that synthesis gas (carbon monoxide and hydrogen) could be
catalytically converted into synthetic hydrocarbons using a precipitated cobalt
catalyst.   In the Fischer-Tropsch reaction, the synthesis gas in contact with
the catalyst surface at certain temperatures and pressures causes a chemical
reaction that produces hydrocarbons and byproducts consisting primarily of water
and carbon dioxide.

          The length and distribution of the hydrocarbon molecules produced by
the reaction vary significantly depending on the choice of catalysts, reactors
and other operating conditions of the process, but range from methane (CH\\4\\)
to hydrocarbons containing as many as 100 carbon atoms that tend to be very
linear or parrafinic.  Hydrocarbons with one to four carbon atoms tend to be
gaseous at room temperature and atmospheric pressure.  Hydrocarbons with a
molecular range of 5 to 20 carbon atoms tend to be liquid under the same
conditions.  Above 20 carbon atoms, these molecules tend to form solids (wax) at
room temperature.

                                      -15-
<PAGE>
 
          Initial Development in Germany, the United States and South Africa

          Prior to and during World War II, development of the Fischer-Tropsch
process occurred primarily in Germany.  Due to Germany's significant coal
resources and limited oil and gas resources, these development activities
focused exclusively on the conversion of coal into fuels and chemicals.  Between
1934 and 1945, nine government-funded coal to liquids plants were built in
Germany using coal as the feedstock.  The synthesis gas was generated by high-
temperature gasification of coal with oxygen and steam.  An iron-based catalyst
was used to manufacture synthetic hydrocarbons, primarily motor fuels.  Maximum
combined production from these nine plants reached approximately 16,000 barrels
per day in 1944.

          Between 1943 and 1950, the United States Bureau of Mines, prompted by
fears of an oil shortage, extensively researched coal-to-oil processes.
However, no commercial plants were built in the United States during that
period.  In 1950, Texaco participated in the Hydrocol plant, which was an 8,000
barrel per day synthetic fuel plant that was built in Brownsville, Texas and
used natural gas as the feedstock.  The plant's design was based, in part, on
the work done by the United States Bureau of Mines.  Although the plant was a
technical success, it was not economic to operate because a new gas pipeline and
changes in the price of oil created a more economic market for the natural gas,
which resulted in the shutdown of the plant in 1953.

          In 1950, the South African government formed a predecessor of Sasol
(which was later privatized) to develop synthetic fuels using coal as the
feedstock.  The first South African plant, a 2,500 barrel per day facility
located in Sasolburg, South Africa, became operational in 1955 and is still in
operation today.  This plant, known as Sasol One, produces liquid fuels,
pipeline gas, waxes and chemicals.  Following the Middle East oil crisis of
1973, an approximately 50,000 barrel per day Fischer-Tropsch plant, Sasol Two,
was built in Secunda, South Africa, and has been operating since 1980.  Sasol
Three, which was designed to be identical to Sasol Two, has been operating since
1982.  In 1989, the South African government established Mossgas (Pty) Limited,
a separate government-supported company, to build a natural gas-based GTL plant.
A 23,000 barrel per day plant utilizing Sasol technology began production in
1993.

          Modern Development by Major Oil Companies

          Following the oil embargo of 1973, further development efforts focused
on utilizing both coal and natural gas to produce synthesis gas for the Fischer-
Tropsch process.  Several major oil companies and several governments funded
research into synthetic fuels.  The worldwide recession of 1982 and the related
drop in oil prices resulted in the termination of most coal-related development
activities.  However, development activities related to the conversion of
natural gas continued.

          In 1985, Mobil commissioned a 14,500 barrels per day plant located in
Montuni, New Zealand.  The plant, which was not based on Fischer-Tropsch
chemistry, was designed to convert natural gas to methanol and then to gasoline.
In 1990, the plant was sold and was later converted into a methanol-only
facility.  In 1993, Shell commissioned a 12,500 barrels per day  plant located
in Bintulu, Malaysia.  The plant is based on Shell's version of GTL technology,
known as SMDS (Shell Middle Distillate Synthesis) and is not currently
operational.  In October 1996, Exxon reported that it was in discussions with
the government of Qatar to construct a GTL plant utilizing its GTL process
(which Exxon calls the AGC-21 process).  Reports on Exxon's technology have
suggested that costs associated with its technology are lower than historic
levels and that a plant based on Exxon technology would be economical at a size
of between 50,000 and 100,000 barrels per day.  Exxon currently operates a 200
barrel per day  pilot plant located in Baton Rouge, Louisiana.

          The generally accepted capital cost target for a GTL plant to be cost
effective for the production of transportation fuel given oil prices in the
range of $15 to $20 per barrel is $30,000 per barrel of daily plant capacity or
less.  Syntroleum believes that to date no company has built a commercial-scale
GTL plant that has broken this

                                      -16-
<PAGE>
 
cost barrier. In addition, Syntroleum believes that each of the current
competitive GTL technologies has taken in excess of ten years to develop.

The Syntroleum Process

          The Syntroleum Process involves two catalytic reactions.  The first
reaction converts natural gas into synthesis gas, and the second reaction
converts the synthesis gas into hydrocarbons through the Fischer-Tropsch
reaction over a proprietary catalyst.  Syntroleum's goal in developing this
process has been to substantially reduce both the capital cost and the minimum
economical size of a GTL plant, as well as plant operating costs.  Syntroleum
believes that by reducing the complexity of the process it has achieved this
goal.  Syntroleum has developed and continues to develop variations of its basic
process design in an effort to further lower costs and increase the adaptability
of the Syntroleum Process to a wide variety of potential applications.

          Syntroleum completed construction of its first pilot plant in 1990,
and the plant was successfully operated in 1990 and 1991.  Between 1991 and
1995, Syntroleum focused the majority of its research and development efforts on
catalyst development for the Fischer-Tropsch reaction.  The pilot plant was
extensively modified in 1995 to test new catalysts and again in 1997 to test new
reactor designs.  Syntroleum's nominal two barrel per day pilot plant has
successfully demonstrated certain elements and variations of the Syntroleum
Process.  However, no commercial-scale GTL plant based on the Syntroleum Process
has yet been constructed.

          Although Syntroleum believes that the Syntroleum Process can be
utilized in commercial-scale GTL plants,  no assurance can be given that such
commercial-scale GTL plants will be successfully constructed and operated or
that such plants will yield the same economics and results as those demonstrated
on a pilot plant basis.  In addition, certain improvements to the Syntroleum
Process are under development and may not prove to be commercially applicable.
See "Risks Relating to the Syntroleum Process."

          The Synthesis Gas Reaction

          The first reaction in the Syntroleum Process--converting natural gas
into synthesis gas--involves the use of Syntroleum's proprietary auto thermal
reformer reactor.  In this reaction, natural gas (consisting primarily of
methane), compressed air (consisting primarily of oxygen and nitrogen) and minor
amounts of steam are combined in the auto thermal reformer reactor at a
specified temperature, pressure and ratio to produce synthesis gas (which
consists of hydrogen and carbon monoxide) diluted with nitrogen.  The auto
thermal reformer reactor is a refractory-lined carbon steel vessel utilizing a
nickel-based catalyst and is similar to the secondary reformer in an ammonia
plant.  The production of synthesis gas in the auto thermal reformer reactor is
a combination of exothermic and endothermic reactions that generate a large
amount of heat, a portion of which may be captured as steam for other internal
and external uses.

          The following diagram illustrates the net reaction in the ATR:

                                     Step 1
                   Conversion of Natural Gas to Synthesis Gas

                                                   Synthesis Gas
    Natural Gas      Air      Steam                (diluted with Nitrogen) Water
                                       Catalyst
     CH/4/ + O/2/ + N/2/ + H/2/O                    CO + H/2/ + N/2/ + H/2/O

          The Fischer-Tropsch Reaction

          The second reaction in the Syntroleum Process is the Fischer-Tropsch
synthesis reaction.  In a one-pass process, synthesis gas diluted with nitrogen
flows into one or more reactors containing Syntroleum's proprietary

                                      -17-
<PAGE>
 
catalyst. As the synthesis gas passes over the catalyst, it is converted into
hydrocarbons of various molecular weights, with byproducts consisting of water
and minor amounts of carbon dioxide also being produced. This reaction is also
very exothermic. The synthetic liquid hydrocarbons and water drain from the
reactor vessel and are subsequently separated. The nitrogen, carbon dioxide and
gaseous hydrocarbons also leave the reactor vessel and are subsequently burned
in a heater to generate steam or process heat or in a turbine to generate
horsepower or electricity.

          The following diagram illustrates the Fischer-Tropsch reaction:

                                     Step 2
                          Fischer - Tropsch Synthesis

             Synthesis Gas
        (diluted with Nitrogen)               Hydrocarbons Nitrogen Water
                                 Catalyst
    H/2/  +  CO   +   N/2/                  C/n/H(/2n/+/2/)  +  N/2/  +  H/2/O

          Fischer-Tropsch Catalyst Systems
 
          Syntroleum has developed several different proprietary catalysts
systems for use in the Fischer-Tropsch reaction in order to allow for matching a
catalyst system to a particular reactor design and provide more flexibility in
matching the Syntroleum Process to the desired applications.
 
          Based upon pilot tests of catalysts manufactured by Syntroleum,
Syntroleum believes that it has a number of proprietary catalyst systems that
meet or exceed the activity and selectivity targets necessary for commercial
application in certain current Syntroleum Process designs, including the
catalysts associated with the hybrid multi-phase reactor known as "HMX" under
development with Texaco, and the moving bed slurry reactor to be pilot-tested
with ARCO at its Cherry Point refinery.
 
          Most Fischer-Tropsch catalysts produce a very waxy synthetic crude
oil.  Typically, more than 50% of a barrel of synthetic crude oil is solid at
room temperature due to the high wax content.  These waxy hydrocarbons are
typically processed through a hydrocracker to convert them into liquid
hydrocarbons at room temperature that can be further processed into
transportation fuels.  Syntroleum's proprietary "high alpha" catalyst produces a
very waxy synthetic crude oil which can also be further processed through
hydrocracking to make liquid fuels, or with other refining processes, the waxy
portion can be converted into higher value specialty products such as synthetic
lubricants.  Syntroleum's proprietary "chain-limiting" catalyst currently under
development is designed to produce hydrocarbons primarily in the liquid fuels
range, without producing wax.  Use of this catalyst should further lower the
capital cost of a plant by permitting the use of high-capacity fluidized-bed
reactors and eliminating the need for hydrocracking equipment.  Further
development of Syntroleum's chain limiting catalyst is required before it will
be available for commercial use.
 
          Under Syntroleum's agreement with Criterion, Criterion has
manufactured, in its commercial facilities, batches of certain catalyst in
quantities sufficient to confirm that such catalyst performance is comparable to
the same catalyst produced by Syntroleum and such catalysts can be produced in
commercial quantities at targeted cost levels.  Syntroleum estimates that the
useful life of its Fischer-Tropsch catalysts will be three to five years under
normal operating conditions.
 
          Syntroleum plans to refine existing catalysts and continue to develop
additional catalyst formulations for use in the Syntroleum Process.  Catalyst
development is a complex process requiring significant scientific skills and
resources.  Syntroleum has in the past and intends to continue to devote
substantial resources to research and development activities to produce Fischer-
Tropsch catalysts with improved activity rates, selectivity and active life, all
at reasonable manufacturing cost.  In addition, Syntroleum intends to enhance
its catalyst development activities

                                      -18-
<PAGE>
 
through catalyst joint development programs with certain of its joint
development partners. From time to time, Syntroleum also retains catalysis
experts on a consulting basis to assist in catalyst development.

          Fischer-Tropsch Reactor Designs

          Syntroleum has tested at its pilot plant three different proprietary
Fischer-Tropsch reactor designs and associated catalysts for use in the
Syntroleum Process.  These include a fixed bed vertical tubular reactor, a
fluidized bed reactor for use with Syntroleum's chain-limiting catalyst and the
proprietary hybrid multi-phase HMX reactor  developed under Syntroleum's joint
development agreement with Texaco.  In addition, Syntroleum has tested a large
bench scale moving bed slurry reactor developed under Syntroleum's agreement
with ARCO.  ARCO is currently constructing a 70 barrel per day pilot plant that
will further test the moving bed slurry reactor on a larger scale. A horizontal
reactor design is also being developed by Syntroleum and may be preferred in GTL
plants on ships operating in rough water conditions, where its low center of
gravity may be an important feature.  Syntroleum has several pending United
States and foreign patent applications related to its Fischer-Tropsch reactors.

          Heat Integration and Power Recovery

          Compression energy is the primary energy consumer in the Syntroleum
Process.  Engineering studies conducted by Bateman and Kellogg Brown & Root have
demonstrated that the heat generated by the two catalytic reactions in the
process can be captured in the form of mechanical and electrical energy
sufficient to supply all of the plant's needs plus a surplus for other uses if
desired.  Syntroleum has developed several heat integration and power recovery
schemes to broaden the flexibility of the Syntroleum Process and, in some cases,
lower the capital cost as well as the number of pieces of major equipment
necessary for operation of a plant.

          Different configurations of GTL plants based on the Syntroleum Process
can also change the energy sources within the plant and the excess energy
produced.  For example, a steam turbine can be incorporated into the process and
utilize the steam produced by the ATR and Fischer-Tropsch reactions to produce
energy for compression, electrical power and commercial sale.  In addition,
Syntroleum has developed a configuration that utilizes the low heating value
residue stream from the process as feedstock for a specially designed gas
turbine that can utilize very low heating value gas.  Several of these heat
integration and power recovery schemes are the subject of United States patents
and patent applications and foreign patent applications and are a part of
Syntroleum's joint development efforts with others.

          Advantages Over Competing Processes

          Syntroleum believes that the method by which it uses air directly from
the atmosphere is a unique characteristic and a primary competitive advantage of
the Syntroleum Process.  Competitive processes for the conversion of natural gas
into synthetic hydrocarbons generally utilize either steam reforming or a
combination of steam reforming and partial oxidation with pure oxygen in the
conversion of natural gas to synthesis gas.  Steam reformers react steam with
natural gas to produce synthesis gas.  A steam reformer is a relatively complex
unit that consists of a large fired heater with catalyst-filled tubes.  Because
the reaction operates at high temperature and pressure, the tubes are made of
exotic alloys and are expensive.  Operating costs are increased due to the
endothermic nature of the process, which requires a continuous input of heat.
Processes that utilize a combination of steam reforming and partial oxidation
with pure oxygen also require an air separation plant to produce pure oxygen.
The air separation plant must be constructed with expensive metals and
materials, because its operation involves cryogenic temperatures and requires
significant energy input, as well as operating risks inherent in handling pure
oxygen.  Moreover, the use of pure oxygen generates synthesis gas that is free
of nitrogen.  While the Fischer-Tropsch reaction in competitive processes is
designed to occur without the presence of nitrogen, the Syntroleum Process is
designed to utilize the nitrogen in the Fischer-Tropsch process to remove a
portion of the heat generated by the process.  Use of the auto thermal reformer
reactor in the Syntroleum Process also provides advantages over competitive
processes because of its relatively low capital and operating costs.  In
addition to lowering the capital cost, the elimination of an air separation
plant and steam reformer has the additional advantage

                                      -19-
<PAGE>
 
of reducing the size and complexity and lowering the energy requirement of GTL
plants based on the Syntroleum Process.

          Syntroleum believes that another advantage of the Syntroleum Process
is the absence of recycle loops necessary in some competitive processes, which
also tends to lower capital costs.  In the Fischer-Tropsch stage of some
competitive processes, a recycle loop is utilized in order to maximize the
output of hydrocarbons and help control the heat generated by the reaction.  As
a result, these processes are designed to avoid the introduction of inert gases
(including nitrogen) into the process, which would otherwise build up in the
system and hinder the reaction.

          Feedstocks

          The Syntroleum Process is designed to produce approximately one six
million British thermal unit barrel of liquid hydrocarbons from approximately 12
million British thermal units of natural gas feedstock, although conversion
efficiency may vary depending on gas composition and process conditions selected
for each plant.  In general, for pipeline quality natural gas, ten thousand
cubic feet of natural gas is expected to produce one barrel of liquid
hydrocarbons.  Syntroleum believes that production will decline when lower
quality feedstocks are used, and larger volumes of natural gas will be required
to maintain equivalent production levels.  One of the benefits of the Syntroleum
Process is its ability to utilize natural gas containing nitrogen and carbon
dioxide, up to certain levels, without removing these impurities prior to
consumption by the plant.  However, natural gas that contains sulphur, metals
and certain other materials that poison catalysts must be processed in order to
remove these contaminants prior to the use of the natural gas in the first
catalytic reaction.

          Products: Synthetic Crude Oil, Naphtha and Distillates

          The synthetic crude oil produced from GTL plants is widely compatible
with the existing crude oil-based energy infrastructure and can be either sold
as is or further refined to produce fuels, such as diesel, kerosene or naphtha.
Syntroleum believes that these products have certain environmental and
performance benefits when compared to similar products produced from
conventional crude oil.

          Synthetic Crude Oil.  Synthetic crude oil is high quality and has a
consistent composition, water-white color (clear) and high paraffin content.
Impurities commonly associated with crude oil, such as sulfur, metals, basic
sediment and water (BSandW) and salt, are not present in synthetic crude oil.
These properties make synthetic crude oil easier to refine into finished
products with superior environmental characteristics.  Total worldwide demand
for crude oil is approximately 70 million barrels per day.

          Naphtha.  Naphtha is a light product generally in the molecular range
of five to nine carbon atoms.  Naphtha is a common feedstock for the production
of ethylene.  Refiners can also use naphtha as a component in gasoline.  It is
often upgraded via catalytic reforming to improve its octane for the production
of gasoline.  Syntroleum believes that synthetic naphtha will make an excellent
fuel for emerging fuel cell technology.  It is non-toxic, contains approximately
twice the hydrogen content of other fuels being considered for fuel cells, and
can be distributed using existing infrastructure.  Historically, naptha prices
have averaged between $15 and $25 per barrel.

          Distillate/Synthetic Diesel Fuel.  Distillate is a range of fuels from
ten to 20 carbon atoms and includes jet fuel, kerosene and diesel fuel.  The
diesel product stream has significant benefits over conventional refinery
products because it is free of sulfur and, due to its high percentage of
straight chain molecules, has a very high cetane number.  In California, current
regulatory requirements generally result in a cetane number of approximately 50
for diesel while the cetane number of diesel produced from synthetic crude oil
is between 70 and 75.  As such, this product makes a superior blending stock for
upgrading conventional fuels.  From 1996 to 1997, distillate prices have ranged
from a low of $23 to a high of $31 per barrel.

                                      -20-
<PAGE>
 
          Synthetic diesel fuel produced using the Syntroleum Process contains
significantly reduced sulfur and aromatic content which reduces pollution levels
commonly associated with conventional diesel fuel, while maintaining a high
cetane rating which promotes high operating efficiency.  Synthetic diesel fuel
can burn in conventional diesel engines, can be distributed using existing
infrastructure and will not require modification to existing diesel engines.
Southwest Research Institute has tested diesel fuels produced from three sources
of Fischer-Tropsch fuels to obtain environmental performance data.  The study,
presented in 1997, found that engines that were run using Fischer-Tropsch diesel
fuel emitted 46% less carbon monoxide, 38% fewer hydrocarbons, 30% fewer
particulates and eight percent less NO\\x\\ when compared to emissions from
currently available diesel fuel that satisfies United States government
specifications.  Syntroleum has entered into agreements with Southwest Research
Institute and the University of Kansas Center for Research, Inc. to test diesel
fuels produced using the Syntroleum Process.  The objectives of these tests are
to determine the performance of these fuels compared to conventional diesel fuel
and identify those middle distillates produced using the Syntroleum Process that
are most suitable as fuels in diesel engines without the need for further
refining.  In addition, Syntroleum intends to confirm that these fuels would
meet the most stringent United States environmental regulations and qualify as
alternate fuels under the guidelines set by the Environmental Protection Agency
and the Department of Energy.  In addition, Syntroleum has entered into an
agreement with DaimlerChrysler to test and develop synthetic diesel fuel and is
also working with Argonne National Laboratories to develop a clean fuel for use
in emerging fuel cell technology.  These testing programs are part of the
Company's efforts to develop a new family of high performance and
environmentally superior synthetic fuels for use in diesel engines.

          Products: Specialty Products

          Syntroleum intends to design, construct and own significant equity
interests in GTL plants designed to produce specialty products.  These plants
will be designed to use Syntroleum's proprietary high alpha catalyst to produce
synthetic crude oil, which will then be further refined using conventional
refining equipment and proprietary processes licensed from others to convert a
portion of the synthetic crude oil into lubricants and drilling fluid.
Syntroleum has retained the exclusive right to manufacture these products using
the Syntroleum Process under its license agreements.  The targeted specialty
products include the following.

          Synthetic Lube Base Oil.  Specifications for motor oil are anticipated
to become more stringent in the future as automobile manufacturers respond to
tightening emissions requirements.  This could result in increased demand for
high quality base oils as blending stock.  Syntroleum has licensed from Lyondell
a proprietary process and catalyst used in the production of a high quality lube
oil blending stock that could be blended with conventional lubricants to
increase overall quality of the finished product.  According to industry
publications, worldwide demand for all lubricants is approximately 800,000
barrels per day.  Historically, lube oil prices have varied from approximately
$40 per barrel for the lowest quality grades to over $200 per barrel for the
highest quality synthetic grades.

          Synthetic Drilling Fluid.  Drilling fluids are used in the drilling of
oil and gas wells as a coolant and lubricant for the drill bit and to enhance
safety during offshore drilling operations by maintaining well pressure.
Drilling fluid can accumulate under platforms mixed with well cuttings.  Oil
based fluids, which have been used historically, degrade slowly and can
suffocate aquatic plant and animal life.  In response to increased environmental
pressures, synthetic drilling fluids have been developed and used in the Gulf of
Mexico and other offshore locations, where prices have generally ranged between
$250 and $300 per barrel.  In response to this market opportunity, Syntroleum,
in conjunction with Amoco Production Company, has developed a synthetic drilling
fluid product that it expects to meet all current applicable environmental
requirements.

          Waxes.  Waxes are longer linear chain hydrocarbon molecules that are
solids at room temperature and have a variety of applications including as
adhesives, candles and coatings.  According to industry publications, United
States demand for waxes in 1995 was approximately 21,000 barrels per day.  These
markets have primarily been supplied with petroleum derived waxes.
Historically, prices have varied between $30 per barrel for the lowest quality
wax to over $150 per barrel for high melting point synthetic wax.

                                      -21-
<PAGE>
 
          Normal Paraffins.  Normal paraffins are saturated linear hydrocarbons
with molecular ranges between ten and 15 carbon atoms.  These products must be
98% pure, have low odor levels and be of water clear quality.  They are
primarily used in the production of laundry detergent, cosmetics and
pharmaceuticals, paints, stains, ink oils, aluminum rolling oils and lamp oils.
Historically, prices for normal paraffins have averaged between $60 and $85 per
barrel.

          Byproducts and Emissions

          A byproduct of the Syntroleum Process is synthesized water that, with
treatment to remove organic materials, could be sold commercially as industrial
or irrigation water in areas where sufficient demand exists.  Based on pilot
plant tests, Syntroleum believes that approximately 1.3 barrels of synthesized
water can be produced for each barrel of synthetic crude oil produced.

          Depending on the process configuration, emissions from the Syntroleum
Process are expected to include nitrous oxide, carbon monoxide, carbon dioxide
and light hydrocarbons, which Syntroleum believes will generally be within
applicable emissions standards.  Spent catalysts are expected to be processed by
a catalyst reclaimer who will recover useful metals and be responsible for
disposal of the nonreclaimed portion of the catalyst.


Risks Relating to the Syntroleum Process

          No Assurance of Successful Commercial-Scale GTL Plants Based on the
Syntroleum Process

          Syntroleum's future results of operations and financial condition are
highly dependent on its ability, and the ability of its licensees, to
economically design, construct and operate GTL plants based on the Syntroleum
Process on a commercial scale.  The successful commercial construction and
operation of a GTL plant based on the Syntroleum Process will be dependent on a
variety of factors, many of which are outside Syntroleum's control.  To date, no
commercial-scale GTL plant based on the Syntroleum Process has been constructed.
Syntroleum is currently uncertain as to when any commercial-scale GTL plant
based on the Syntroleum Process is expected to become operational and does not
expect to receive any cash flows from GTL plants in which it owns an equity
interest until such a plant becomes operational.  No assurance can be given that
GTL plants based on the Syntroleum Process will ever be successfully built
either by Syntroleum or by any of its licensees or that the Syntroleum Process
can be utilized in a full-scale commercial plant with the same economics and
results as those demonstrated on a laboratory and pilot basis.

          Potential for Technological and Mechanical Problems in GTL Plants
based on the Syntroleum Process

          A variety of results necessary for successful operation of the
Syntroleum Process could fail to occur at a commercial plant, including
operations and reactions successfully tested in Syntroleum's laboratory and
pilot plant. Results that could cause commercial GTL plants to be unsuccessful
include (1) lower reaction activity than demonstrated in laboratory and pilot
plant operations, which would increase the amount of catalyst or number of
reactors required to convert synthesis gas into liquid hydrocarbons and thereby
increase capital and operating costs, (2) shorter than anticipated catalyst
life, which would require more frequent catalyst purchases, (3) excessive
production of gaseous light hydrocarbons from the Fisher-Tropsch reaction
compared to design conditions, which would lower the anticipated amount of
liquid hydrocarbons produced and thereby lower revenues and margins from plant
operations, and (4) inability of the gas turbine integrated into the Syntroleum
Process to burn the low heating value tail gas that is produced by the process,
which would result in the need to incorporate other methods to generate
horsepower for the compression process that may increase capital and operating
costs. Other factors may also impact commercial plants, including the size of
the equipment, the amount and quality of natural gas feedstock, local
construction conditions, operating conditions, the market for products produced
at such plants, and other

                                      -22-
<PAGE>
 
conditions that Syntroleum may not be able to anticipate. In addition, the
plants could experience mechanical difficulties, either related or unrelated to
elements of the Syntroleum Process.

          No Assurance of Improvements to the Syntroleum Process

          Syntroleum has a number of GTL technologies or improvements to the
Syntroleum Process in various early stages of development.  These technologies
and improvements will require substantial additional investment, development and
testing prior to their commercialization.  Syntroleum might not be successful in
developing such technologies and improvements, and such technologies and
improvements, if developed, may not be capable of being utilized on a commercial
basis.  The failure of any of these technologies and improvements to become
commercially viable on a timely basis could adversely affect Syntroleum's
ability to continue to lower the cost of constructing GTL plants and delay the
schedule for completing the design and construction of GTL plants contemplated
by Syntroleum and its partners and by Syntroleum's licensees.
 
          Among the possible improvements to the Syntroleum Process is
Syntroleum's chain limiting catalyst.  This catalyst is designed to produce
hydrocarbons primarily in the liquid fuels range and may not become commercially
applicable because it may not produce sufficient product in the liquid fuels
range.  Improvements to the heat integration of the Syntroleum Process may not
occur because further integration of the gas turbine into the process might not
be technically feasible due to the operating tolerances of the materials in the
gas turbine.  Syntroleum's horizontal reactor, which is designed to have a low
center of gravity for marine applications, may not be commercially applicable
due to operational difficulties.  In addition, during 1998, Syntroleum pilot
tested a hybrid multi-phase (HMX) reactor and associated catalyst developed
under its joint development agreement with Texaco.  During 1999, Syntroleum
intends to pilot test a new auto thermal reforming reactor design and a moving
bed slurry reactor and associated catalyst under a joint development program
with ARCO and these tests might not be successful.

          Reliance on Technological Development and Possible Technological
Obsolescence

          Syntroleum's business is dependent upon utilization of evolving
technology.  As a result, Syntroleum's ability to create and maintain
technological advantages will be important to its future success.  As new
technologies develop, Syntroleum may be placed at a competitive disadvantage,
and competitive pressures may force Syntroleum to implement such new
technologies at substantial cost or render the Syntroleum Process obsolete.
Syntroleum may not be able to successfully utilize, or expend the financial
resources necessary to acquire or develop, new technology.  Others may be able
to achieve technological expertise comparable to or exceeding that of Syntroleum
and might implement new technologies before Syntroleum.  One or more of the
technologies currently utilized by Syntroleum or implemented in the future may
become obsolete.  In such case, Syntroleum's business, operating results and
financial condition could be materially adversely affected.

          Effect of Crude Oil Prices and Other Energy and Product Prices on the
             Economic Application of GTL Plants Based on the Syntroleum Process

          Syntroleum's belief that the Syntroleum Process can, in some
circumstances,  be cost effective at GTL plants with throughput levels ranging
from 2,000 to 50,000 barrels per day and larger is based on the assumption that
oil prices in the range of $15 to $20 per barrel will prevail.  However, the
markets for oil and natural gas have historically been very volatile and are
likely to continue to be very volatile in the future.  During 1998, crude oil
prices fell to historically low levels of below $10 per barrel.  Oil prices
continued at low levels in early 1999, but have increased recently.  As of March
23, 1999, the West Texas Intermediate crude oil contract for May delivery was
$15.51 per barrel.

          The effect of oil and natural gas prices on the cost effective
operation of a GTL plant depends significantly on the products produced at the
plant and whether the natural gas converted by the plant is associated with oil
reserves.  Syntroleum anticipates that GTL plants designed to produce specialty
products, and GTL plants that are

                                      -23-
<PAGE>
 
used to convert natural gas which is associated with oil reserves, may continue
to be cost effective at price levels below the range of $15 to $20 per barrel
for oil. However, GTL plants that are used to convert natural gas that is not
associated with oil reserves and are designed to produce fuels (such as those
Syntroleum's licensees are entitled to construct) are generally not expected to
be cost effective at price levels below that range.

          Because the synthetic crude oil, liquid fuels and specialty products
that GTL plants are expected to produce will compete in markets with oil and
refined petroleum products and because natural gas will be used as the feedstock
at GTL plants based on the Syntroleum Process, an increase in natural gas prices
relative to prices for oil and refined products, or a decrease in prices for oil
and refined products, could adversely affect the operating results of such
plants.  Factors that could cause changes in the prices and availability of oil,
natural gas and refined products include the level of consumer product demand,
weather conditions, domestic and foreign government regulation, the actions of
the Organization of Petroleum Exporting Countries, political conditions in oil
and natural gas producing countries, the supply of foreign crude oil and natural
gas, the location of GTL plants vis-a-vis natural gas reserves and pipelines,
the capacities of such pipelines, fluctuations in seasonal demand, governmental
regulations, the price and availability of alternative fuels and overall
economic conditions.  Syntroleum cannot predict the future markets and prices
for oil, natural gas or refined products.  Adverse operating results at GTL
plants will adversely affect Syntroleum's business, operating results and
financial condition directly by impacting operating results at the GTL plants in
which Syntroleum retains equity interests and indirectly by reducing licensing
fees for both new license agreements and new plant construction.

          Effect of Operating Conditions on the Economic Application of GTL
             Plants Based on the Syntroleum Process

          The economic application of GTL technology is highly dependent on a
number of factors, including site location, infrastructure, adverse weather and
a variety of other operating conditions.  Syntroleum's belief in the economic
application of GTL plants based on the Syntroleum Process is based on certain
assumptions relating to the operating conditions of the plant and assumptions
regarding the capabilities of the Syntroleum Process based on data collected in
connection with the operation of Syntroleum's laboratory and pilot plant.
Numerous events could occur that would be inconsistent with these assumptions.
For example, the plants could be located in areas that require more
infrastructure than assumed by Syntroleum.  In addition, GTL plant construction
cost estimates prepared for Syntroleum could be understated, necessary permits
may not be issued by regulatory authorities or may not be issued within the
expected time frames, the plants could take longer to construct than
anticipated, and the demand for the products produced by the plants may not
materialize or may materialize at lower price levels than Syntroleum currently
anticipates.  The materialization of risks discussed above relating to the
commercial operation of GTL plants based on the Syntroleum Process would also
impact the economic application of such plants by increasing capital or
operating costs.  The occurrence of any material event that is inconsistent with
the assumptions on which Syntroleum has based its belief in the economic use of
GTL plants based on the Syntroleum Process could materially adversely affect the
economic application of commercial GTL plants based on the Syntroleum Process
which, in turn, would materially adversely affect Syntroleum's business,
operating results and financial condition.
 
          Reliance on Licensees
 
          Syntroleum's licensees will control whether any site licenses are
issued and any resulting additional license fees are due under Syntroleum's
license agreements.  Licensees may need to undertake substantial activities
before any site license is issued and license fees are due.  These activities
may include performing feasibility studies, obtaining regulatory approvals and
permits, obtaining preliminary and final design and engineering for a plant,
obtaining a sufficient dedicated supply of natural gas, and obtaining adequate
commitments for the purchase of the plant's products.  The amount and timing of
resources devoted to these activities will be controlled by the licensee.
Whether licensees are willing to expend the resources necessary to construct GTL
plants will depend on a variety of factors outside the control of Syntroleum,
including the prevailing view of prices for oil and natural gas, which have
historically been volatile and are likely to continue to be volatile in the
future.  If Syntroleum does not receive payments under its license agreements,
it may not have sufficient resources to implement its business strategy.

                                      -24-
<PAGE>
 
Syntroleum's licensees are not restricted from pursuing alternative GTL
technologies on their own or in collaboration with others, including
Syntroleum's competitors.  If licensees fail to construct plants under the
license agreements, or if Syntroleum is unable to enter into additional license
arrangements, Syntroleum's business, operating results and financial condition
would be adversely affected.  See "--Competition."

          No Assurance of Industry Acceptance of the Syntroleum Process

          As is typical in the case of a new and rapidly evolving technology,
demand and industry acceptance for Syntroleum's technology is subject to a high
level of uncertainty.  If the industry fails to accept Syntroleum's technology
due to its novelty and continuous evolution or acceptance develops more slowly
than expected, Syntroleum's business, operating results and financial condition
will be materially adversely affected.  Should a high profile industry
participant adopt the Syntroleum Process and fail to achieve success or should
any commercial GTL plant based on the Syntroleum Process fail to achieve
success, other industry participants' perception of the Syntroleum Process could
be adversely affected.  Any such event could reduce future license fees or
revenues from GTL plants on a contract basis and could make it more difficult or
impossible for Syntroleum to construct specialty product GTL plants. Likewise,
if a major oil and gas company were to either successfully develop or adopt a
GTL technology competing with the Syntroleum Process or should industry
participants adopt a strategy of disparaging the Syntroleum Process,
Syntroleum's reputation could be adversely affected.  In addition, certain oil
and gas companies may be motivated to seek to prevent industry acceptance of GTL
technology based on their belief that widespread adoption of such technology
might negatively impact the competitive position of such companies without
access to GTL technology.  Failure of Syntroleum's technology to achieve
industry acceptance could have a material adverse effect on Syntroleum's
business, operating results and financial condition.   See "--Competition."

          Dependence on Strategic Relationships with Manufacturing and
             Engineering Companies

          Syntroleum intends to, and believes its licensees will, utilize third
party component manufacturers in the design and construction of GTL plants based
on the Syntroleum Process.  If any third party manufacturer is unable to provide
components of GTL plants based on the Syntroleum Process in commercial
quantities, in a timely manner and within specifications, Syntroleum or
Syntroleum's licensees could experience material delays, or construction plans
could be canceled, while alternative manufacturers are identified and prepare
for production.  Syntroleum has no experience in manufacturing and does not have
any manufacturing facilities.  Consequently, Syntroleum will be dependent on
third parties for the manufacture of components of GTL plants based on the
Syntroleum Process.  Syntroleum has conducted development activities with third
parties relating to Syntroleum's proprietary catalysts and turbines that may be
used in the Syntroleum Process, and other manufacturing companies may not have
the same expertise as these companies.  In addition, Syntroleum has entered into
an agreement with Criterion which provides that Syntroleum will purchase any
catalysts for its own use from Criterion.  The failure of third party
manufacturers to adequately provide necessary components could have a material
adverse effect on Syntroleum's business, operating results and financial
condition.

          Syntroleum also intends to utilize third parties to provide
engineering services in connection with Syntroleum's efforts to commercialize
the Syntroleum Process.  If such engineering firms are unable to provide
requisite services or performance guarantees, Syntroleum or Syntroleum's
licensees could experience material delays, or construction plans could be
canceled, while alternative engineering firms are identified and become familiar
with the Syntroleum Process.  Syntroleum has no experience in providing
engineering services and has a limited engineering staff.  Consequently,
Syntroleum will be dependent on third parties to provide necessary engineering
services, and such firms may be asked by licensees or financial participants in
plants to provide performance guarantees in connection with the design and
construction of GTL plants based on the Syntroleum Process.  In addition,
Syntroleum has entered into an agreement with Bateman which provides that
Syntroleum will utilize Bateman to assist in the development of Syntroleum-owned
GTL plants in North and South America producing specialty products.  The failure
of such engineering firms to provide necessary services in an adequate manner or
to provide such performance guarantees could have a material adverse effect on
Syntroleum's business, operating results and financial condition.

                                      -25-
<PAGE>
 
          Potential Indemnification Liabilities to Licensees

          Syntroleum's license agreements require it to indemnify the licensee
against certain losses relating to, among other things, acts or omissions by
Syntroleum in connection with process design packages for plants and performance
guarantees that may be provided by Syntroleum.  Syntroleum's indemnification
obligations could result in substantial expenses and liabilities to Syntroleum
in the event that GTL plants based on the Syntroleum Process do not operate as
currently anticipated.

Intellectual Property

          Syntroleum pursues protection of the Syntroleum Process primarily
through a combination of trade secrets, patents and rights to the patents and
trade secrets of others relating to components critical to the Syntroleum
Process. Syntroleum's policy is to seek, when appropriate, protection for its
proprietary products and processes by filing patent applications in the United
States and certain foreign countries and to encourage or further the efforts of
others who have licensed technology to Syntroleum to file such patent
applications.  It is also Syntroleum's policy to seek, when appropriate,
licenses under the patents or trade secrets of others, so that it can sell the
products or use the processes covered by those patents in connection with its
own technology.
 
          The success of Syntroleum may depend on its ability to establish,
protect and enforce its intellectual property rights and to successfully defend
against any alleged infringement or related claims.  Syntroleum's ability to
protect and enforce its intellectual property position as well as its ability to
defend against a claim of infringement involves complex legal, scientific and
factual questions and uncertainties.

          Syntroleum currently owns or has licensed rights to over 73 patents or
patent applications.  The following patents relating to the Syntroleum Process
have been issued to Syntroleum:  United States Patent No. 4,833,170, which
issued May 23, 1989, entitled "Process and Apparatus for the Production of
Heavier Hydrocarbons from Gaseous Light Hydrocarbons" and United States Patent
No. 4,973,453, which issued November 27, 1990, entitled "Apparatus for the
Production of Heavier Hydrocarbons from Gaseous Light Hydrocarbons."  Subsequent
patents related to the Syntroleum Process have been granted in Argentina,
Australia, Canada, China, India, Malaysia, Mexico, Nigeria, Norway, Pakistan,
the United Kingdom and Venezuela, and an application in The Netherlands is still
pending.  In addition, Syntroleum has acquired United States Patent No.
5,593,569, which issued January 14, 1997, entitled "Hydrocracking Processes
Using a Homogenous Catalysis System Comprising a Metal Halide Lewis Acid, a
Bronsted Acid and an Alkane," as well as royalty-free license rights to two
United States patents and five United States patent applications from certain of
its licensees.  Syntroleum also has ten additional patent applications filed in
the United States and 39 foreign applications based on one or more of these
United States applications.

          No assurance can be given that additional patents will be granted with
respect to any patent applications filed by Syntroleum or its licensors.
Furthermore, any patents issued or licensed to Syntroleum might not provide
commercial benefit to Syntroleum or might be infringed, invalidated or
circumvented by others.  The United States Patent and Trademark Office currently
has a significant backlog of patent applications, and the approval or rejection
of patents may take several years.

          The availability of patents in foreign markets, and the nature of any
protection against competition that may be afforded by such patents, is often
difficult to predict, and varies significantly from country to country.
Moreover, Syntroleum or its licensors may choose not to seek, or may, for a
variety of reasons, be unable to obtain, patent protection in a country that
might become an important market for Syntroleum's GTL technology.

          In addition to patent protection, Syntroleum also relies significantly
on trade secrets, know-how and technological advances, which it seeks to
protect, in part, through confidentiality agreements with its collaborators,
licensees, employees and consultants.  This is particularly true in a number of
foreign countries where patent

                                      -26-
<PAGE>
 
protection is uncertain and often difficult to predict. If these agreements are
breached, Syntroleum might not have adequate remedies for the breach. In
addition, Syntroleum's trade secrets and proprietary know-how might otherwise
become known or be independently discovered by others.

          Syntroleum has received federal trademark and service mark
registrations for the name "Syntroleum" in the United States and has pending
foreign trademark applications for the name "Syntroleum."  Syntroleum also has
pending United States trademark applications seeking protection for marks that
will be used as brand names for Syntroleum products.

          With respect to Syntroleum's rights to use the technology covered by
patents and trade secrets of others in the Syntroleum Process, see "--Strategic
Relationships."

          Commercialization of Syntroleum's GTL technologies may give rise to
claims that the technologies infringe upon the patents or other proprietary
rights of others.  Although it is Syntroleum's policy to regularly review
patents that may have applicability in the GTL industry, Syntroleum may not
become aware of such patents or rights until after it has made a substantial
investment in the development and commercialization of those technologies.
Legal actions could be brought against Syntroleum, its partners or licensees,
claiming damages and seeking an injunction that would prevent Syntroleum, its
partners or licensees, from testing, marketing or commercializing the affected
technologies. Major oil and gas companies seeking to gain a competitive
advantage may have an interest in bringing such an action. If such action were
successful, in addition to potential liability for damages, Syntroleum, its
partners or licensees could be required to obtain a license in order to continue
to test, market or commercialize the affected technologies.  Any such required
license might not be made available or, if available, might not be available on
acceptable terms, and Syntroleum could be prevented entirely from testing,
marketing or commercializing the affected technology.  Syntroleum may have to
expend substantial resources in litigation, either in enforcing its patents,
defending against the infringement claims of others, or both.  Many possible
claimants, such as the major oil and gas companies that have or may be
developing proprietary GTL technologies competitive with the Syntroleum Process,
have significantly more resources to spend on such litigation.  Syntroleum
intends to vigorously enforce its patents and defend against the infringement
claims of others.  Syntroleum has conducted a review of approximately 600
existing patents applicable to the GTL field and believes that it is not
infringing on the patents of others.

          In any potential intellectual property dispute involving Syntroleum,
Syntroleum's licensees could also become the target of litigation.  Syntroleum's
license agreements require Syntroleum to indemnify the licensees against certain
losses, including the losses resulting from patent and trade secret infringement
claims, subject to a cap of 50% of the license fees received.  Syntroleum's
indemnification and support obligations could result in substantial expenses and
liabilities to Syntroleum.  Such expenses or liabilities could have a material
adverse effect on Syntroleum's business, operating results and financial
condition.

Employees

          Syntroleum had 65 employees at  March 1, 1999, including 25 employees
involved in research and development and pilot plant operations, five employees
in business development and marketing, 13 employees in engineering, and 22
employees in finance, legal and administration.  No Syntroleum employee is
represented by a labor union.  Syntroleum has experienced no work stoppages and
believes that its relations with its employees are excellent.

Competition

          The development of GTL technology is highly competitive.  The
Syntroleum Process is based on chemistry that has been used by several companies
in synthetic fuel projects during the past 60 years.  Historic experience has
indicated that these projects were not economic alternatives for conversion of
natural gas to liquids, and given the volumes of stranded natural gas reserves
around the world, a significant opportunity exists for anyone who can

                                      -27-
<PAGE>
 
develop economic GTL technology. Syntroleum's competitors include major
integrated oil companies, several of which have developed or are developing
competing GTL technology, including Exxon, Shell and Sasol. Each of these
companies has significantly more financial and other resources than Syntroleum
to spend on research and development of its technology and on funding
construction and operation of commercial GTL plants. These competitors also have
a greater ability to bear the economic risks inherent in the development of GTL
technology. In addition, several small companies have developed, and are
continuing to develop, competing GTL technologies. The Department of Energy has
also sponsored a number of research programs relating to GTL technology,
including a recent program relating to the development of a ceramic membrane
technology that could potentially lower the cost of producing oxygen that is
used to produce synthesis gas in competitive processes. These companies, the
Department of Energy or others could develop technologies that will have greater
commercial success or acceptance than Syntroleum's technology or that will
render the Syntroleum Process obsolete. See "--Historical Development of the
Technology."

          The market for natural gas is highly competitive in many areas of the
world and may affect Syntroleum's business, operating results and financial
condition.  The cryogenic conversion of natural gas to liquefied natural gas
(LNG) may compete with GTL plants for use of natural gas as feedstocks in many
locations.  Local markets, power generation, ammonia, methanol and
petrochemicals are alternative markets for natural gas which will also be
competitive uses.  Unlike Syntroleum, many of its competitors also produce or
have access to large volumes of natural gas, which may be used in connection
with their GTL operations.  The availability of natural gas at economic prices
for use as feedstocks for GTL plants may also depend on whether natural gas
pipelines are located in the areas where such plants are located.  New pipelines
may need to be built in, or existing pipelines may need to be expanded into,
areas where GTL plants are built, and this may affect the operating margins of
such plants.  The United States and Western Europe have well-developed natural
gas markets.  In these markets, the relationship between natural gas prices and
liquid hydrocarbon prices is such that investments in GTL plants that produce
fuels are unlikely to be economic in most circumstances.  Other areas around the
world that have developed local markets for gas may also have higher valued uses
than GTL technology.  In addition, the commercialization of GTL technologies may
have an adverse effect on the availability to GTL plants of natural gas at
economic prices.  The oil and gas industry also competes with other industries
that supply the energy and fuel requirements of industrial, commercial,
individual and other consumers.

Government Regulation

          Syntroleum will be subject to extensive federal, state and local laws
and regulations relating to the protection of the environment, including laws
and regulations relating to the release, emission, use, storage, handling,
cleanup, transportation and disposal of hazardous materials and employee health
and safety.  In addition, Syntroleum's GTL plants will be subject to the
environmental and health and safety laws and regulations of any foreign
countries in which such plants are to be located.  Violators of such laws and
regulations may be subject to substantial fines, criminal sanctions or third
party lawsuits and may be required to install costly pollution control equipment
or, in certain extreme cases, curtail operations.  Further, such laws and
regulations may limit or prohibit activities on certain lands lying within
wilderness areas, wetlands or other protected areas.  Syntroleum's operations in
the United States are also subject to the federal "Superfund" law, and similar
state laws, which can impose joint and several liability for site cleanup,
regardless of fault, upon certain statutory categories of parties, including
Syntroleum, that sent wastes offsite for disposal and current owners and
operators of property.  Environmental laws and regulations often require the
acquisition of a permit or other authorization before certain activities may be
conducted and compliance with such laws and regulations, and any requisite
permits, can increase the costs of designing, installing and operating
Syntroleum's GTL plants.

          GTL plants will generally be required to obtain permits under
applicable state and federal clean air and water laws and various permits for
industrial siting and construction.  Emissions from a GTL plant, primarily from
the gas turbine, will contain nitrous oxides and may require certain abatement
equipment to be installed in order to meet state and federal permit
requirements.  Additionally, GTL plants will be required to adhere to state and
federal laws applicable to the disposal of byproducts produced, including waste
water and spent catalyst.

                                      -28-
<PAGE>
 
          Although Syntroleum does not believe that compliance with
environmental and health and safety laws in connection with its current
operations will have a material adverse effect on Syntroleum, the future costs
of complying with environmental laws and regulations and containing or
remediating contamination cannot be predicted with certainty.  In the future,
Syntroleum could incur material liabilities or costs related to environmental
matters, and such environmental liabilities or costs (including fines or other
sanctions) could  have a material adverse effect on Syntroleum's business,
operating results and financial condition.  Syntroleum does not currently carry
environmental impairment liability insurance to protect it against such
contingencies but may, in the future, seek to obtain such insurance in
connection with its participation in the construction and operation of GTL
plants if such coverage is available at reasonable cost and without unreasonably
broad exclusions.

Operating Hazards

          Syntroleum's operations at its GTL plants will involve a high risk of
incidents involving personal injury and property damage due to the operation of
machinery in close proximity to individuals and the highly flammable nature of
natural gas and the materials produced at these plants.  The frequency and
severity of personal injury and property damage incidents will affect
Syntroleum's operating costs, insurability and relationships with customers,
employees and regulators.  Any significant frequency or severity of such
incidents, or the general level of compensation awards with respect thereto,
could affect the ability of Syntroleum to obtain insurance and could have a
material adverse effect on Syntroleum's business, operating results and
financial condition.

Management and Disposition of Real Estate and Miscellaneous Assets

          Prior to the Merger, SLH was primarily engaged in promoting the
development of Old Syntroleum, which was 31% owned by SLH.  SLH was also in the
business of managing, developing and disposing of real estate and certain
miscellaneous assets.  These assets, together with the stock of Syntroleum, were
acquired from Lab Holdings, Inc. (formerly Seafield Capital Corporation).
Concurrent with that acquisition, Lab Holdings distributed to its stockholders
on March 3, 1997  all of the outstanding shares of the SLH common stock and
certain preferred share purchase rights in a transaction commonly referred to as
a "spin-off" or "distribution." The distribution was effected pursuant to a
distribution agreement and related agreements, copies of which are exhibits to
this Annual Report on Form 10-K.  The distribution is more particularly
described in SLH's Registration Statement on Form 10.

          Syntroleum's real estate assets reflect the remaining assets of a real
estate development business that was conducted by Lab Holdings in association
with a previously owned life insurance company that was sold in 1990.  Real
estate assets, as of December 31, 1998, consisted of (1) a seven story parking
garage in Reno, Nevada; (2) a 49.9% interest in a community retail shopping
center in Gillette, Wyoming; (3) land under development in Houston, Texas (341
acres comprising the "Houston Project"), (4) undeveloped land in Corinth, Texas
(nine acres comprising the "Corinth Tract") and the Kansas City metropolitan
area ( two acres at the intersection of I-35 and 119th Streets, comprising the
"Kansas City Tracts"), and (5) an equity investment in a hotel being renovated
in Tulsa, Oklahoma.  The total real estate inventory had an aggregate carrying
value at December 31, 1998 of approximately $5.8 million.  All of the real
estate assets are held for sale except for the investment in the hotel project
located in Tulsa, Oklahoma and the Houston Project that is being developed for
commercial and residential use.  Syntroleum's real estate assets are owned by
its subsidiary, Scout Development Corporation.

          Syntroleum's miscellaneous assets at December 31, 1998 consisted of
(1) a convertible preferred stock interest in Norian Corporation, a privately
owned developer of proprietary bone substitute technology, which had a carrying
value of approximately $ 750,000 , (2) $39 million of cash, government
securities and current receivables and (3) an investment in a privately held
venture capital limited partnership, which had a carrying value of $507,000.
Syntroleum plans to liquidate all of these investments other than the cash,
government securities and current receivables in an orderly manner to maximize
their value to stockholders.

                                      -29-
<PAGE>
 
          The following table shows the carrying value of the inventory of
Syntroleum's real estate assets as of December 31, 1998:

                             REAL ESTATE INVENTORY
                                        
 
                                                                Carrying value
                                                                     as of
                                                                  December 31,
                 Asset                           Location             1998
- ----------------------------------------      -------------      -------------

The Reno Parking Garage                       Reno, Nevada        $ 2,742,334
The Houston Project                           Houston, Texas        2,722,448
The Corinth Tract                             Ft. Worth, Texas         33,480
The Kansas City Tract                         Olathe, Kansas          346,214
The Tulsa Hotel Interest                      Tulsa, Oklahoma         100,000
The Wyoming Shopping Center Interest          Gillette, Wyoming      (177,103)
                                                                  -----------
                                                                  $ 5,767,372
                                                                  ===========

          The Reno Parking Garage is a seven story 850-space parking garage
located in downtown Reno, Nevada.  Scout owns the building unencumbered except
for a ground lease that expires on February 28, 2023 and which calls for annual
lease payments in the amount of $294,000.  The Reno Parking Garage contains a
total of 144,500 square feet of leasable parking space.  Post Merger parking
revenue totaled approximately $218,557 or $257.13 per space or $1.51 per square
foot in 1998.  In addition, 8,258 square feet located on the ground floor of the
garage is leased to a retail tenant under a 15-year lease.  Revenue from the
retail lease during 1998 was $74,653 or $9.04 per square foot.  In addition to
basic rent, the retail tenant is responsible for its pro rata share of real
estate taxes and insurance. Syntroleum is presently actively marketing the Reno
Parking Garage for sale.

          The Shopping Center Interest consists of a 49.9% joint venture
interest in a retail shopping center containing approximately 163,454 square
feet of net leasable area and 14 acres of undeveloped land in Gillette, Wyoming.
At the end of 1998, the center was 86% occupied.  Rental revenue totaled
$798,205 for 1998.  The average annual gross rental per occupied square foot was
$5.69.  In addition to rental revenue, tenants are responsible for their share
of common area maintenance.  During 1998, common area maintenance collections
from tenants totaled $150,276.  The property is subject to industrial revenue
refunding bonds in the amount of $6.1 million that are secured by a bank letter
of credit and guaranteed by Scout.  The letter of credit is secured by a $3.1
million Treasury Note that is pledged by the Company to the issuer of the letter
of credit.

          Undeveloped land consists of an aggregate of approximately 352 acres,
with 341 acres in Houston, Texas comprising the Houston Project, two acres near
the intersection of 119th Street and Interstate 35 in the southern portion of
the Kansas City metropolitan area comprising the Kansas City Tracts and
approximately nine acres in Corinth, Texas comprising the Corinth Tract.  The
Company has conveyed the Houston Project to 529 Partners, Ltd., in exchange for
a $2.1 million note and a 75% interest in the partnership.  529 Partners is
developing the property for residential and light commercial purposes.  During
1998 and prior to the Merger, 529 Partners sold 17.5 acres of the Houston
Project for retail use for approximately $2.3 million.  It is expected that the
balance of the tract will be developed by 529 Partners for residential use.  The
Corinth Tract is zoned for commercial use and is being actively marketed.

          The Kansas City Tracts consist of tracts aggregating approximately two
acres near the intersection of Interstate Highway 35 and 119th Street in the
southwestern section of the Kansas City metropolitan area.  During

                                      -30-
<PAGE>
 
1998, approximately 13.5 acres were sold for approximately $2.8 million,
including 6.5 acres sold after the Merger for $880,000. The remaining two acres,
which is zoned for retail purposes, are being actively marketed.

          Syntroleum believes that the real estate properties are adequately
covered by insurance with coverages for real and personal property, commercial
general liability, commercial crime, garage keepers legal liability, earthquake,
flood, windstorm and hail.

          Syntroleum and Scout are subject to contingent obligations under
leases and other instruments incurred in connection with real estate activities
and other operations.  Syntroleum believes that adequate accruals have been made
for the contingent liabilities on Syntroleum's financial statements and that
none of these are deemed to be material, individually or in the aggregate.

          Scout is subject to several United States environmental laws,
including:  Clean Air Act, Comprehensive Environmental Response, Compensation,
and Liability Act, Emergency Planning and Community Right-to-Know Act, Federal
Water Pollution Control Act, Oil Pollution Act of 1990, Resource Conservation
and Recovery Act, Safe Drinking Water Act and Toxic Substances Control Act.
Scout is also subject to the United States environmental regulations promulgated
under these acts, as well as state and local environmental regulations which
have their foundation in the foregoing United States environmental laws.

          As is the case with many companies, Scout may face exposure to actual
or potential claims and lawsuits involving environmental matters with respect to
its current inventory of real estate as well as previously owned real estate.
However, no such claims are presently pending and Scout has not suffered, and
does not anticipate that it will suffer, a material adverse effect as a result
of any past action by any governmental agency or other party, or as a result of
noncompliance with such environmental laws and regulations.

Item 2.   Properties

          Syntroleum owns and operates a nominal two barrel-per-day pilot plant
located on two leased acres in Tulsa, Oklahoma.  Syntroleum also leases 4,500
square feet of laboratory and office space and approximately 37,000 square feet
of executive office space in Tulsa, Oklahoma and approximately 3,400 square feet
of office space in Shawnee Mission,  Kansas.  In addition, Syntroleum has
recently acquired a laboratory facility, including approximately 16,500 square
feet of laboratory space and approximately 100 acres of property on which the
laboratory is located.

          Syntroleum's real estate assets are described under "Item 1.
Business--Management and Disposition of Real Estate and Miscellaneous Assets."

Item 3.   Legal Proceedings

          On March 3, 1997, Lab Holdings distributed to its shareholders all of
the outstanding shares of common stock of its wholly owned subsidiary, SLH.  In
connection with this distribution and pursuant to a Distribution Agreement
between Lab Holdings and SLH, Lab Holdings transferred its real estate and
energy businesses and miscellaneous assets and liabilities.  Under such
Distribution Agreement and related agreements, SLH assumed (and as a result of
the Merger, Syntroleum has assumed) the rights and obligations of Lab Holdings
with respect to the legal matters described below.

          Claim Against Skidmore, Owings & Merrill, et al.  In 1986, a lawsuit
was initiated in the Circuit Court of Jackson County, Missouri by Lab Holdings'
former insurance subsidiary,  Business Men's Assurance Company of America
against Skidmore, Owings & Merrill ("SOM"), an architectural and engineering
firm, and against a construction firm to recover costs incurred to remove and
replace the facade on the insurance company's former home office building.
Because the removal and replacement costs had been incurred prior to the sale by
Lab Holdings of the insurance subsidiary, Lab Holdings negotiated with the buyer
for an assignment of the cause of

                                      -31-
<PAGE>
 
action from the insurance subsidiary. Under the Distribution Agreement, Lab
Holdings has assigned to the Company all of its rights to any recoveries and the
Company has assumed all costs relating to the prosecution of the claims. In
1992, a $5.7 million judgment was granted against SOM in favor of Lab Holdings.
In September 1993, the Missouri Court of Appeals reversed the judgment and
remanded the case to the trial court for a retrial limited to the question of
whether or not the applicable statute of limitations barred the claim. The
Missouri Court of Appeals also set aside $1.7 million of the judgment originally
granted in 1992. In July 1996, the case was retried to the court. On January 21,
1997, the court entered a judgment in favor of Lab Holdings for the benefit of
the Company for approximately $5.8 million. The defendant appealed the judgment
to the Missouri Court of Appeals, Kansas City Division, and posted an appeal
bond to stay collection of the judgment pending the outcome of the appeal. In
August 1998, the Court of Appeals affirmed the judgment in favor of the Company.
On October 27, 1998, the Court overruled the defendant's motion for
reconsideration and denied defendant's request for transfer of the appeal to the
Missouri Supreme Court. The Missouri Supreme Court, upon direct request of the
defendant, subsequently accepted transfer of the appeal for reconsideration of
the opinion issued by the Court of Appeals and on February 9, 1999, the Missouri
Supreme Court affirmed the judgment in favor of the Company. The Company has
received $6.0 million in full satisfaction of the judgment.

          Internal Revenue Service Audits.  Prior to the distribution, Lab
Holdings had received notices of proposed adjustments from the Internal Revenue
Service (the "IRS") with respect to its 1986-1990 federal income taxes.  In
connection with the distribution, the Company assumed from Lab Holdings all its
contingent tax liabilities to the IRS and acquired all of its related rights to
refunds as well as any interest thereon related to the Lab Holdings' 1986 to
1990 tax years.  During 1997, the Company settled all of the claims and disputes
between Lab Holdings and the IRS for the 1986 to 1990 years.  In the second
quarter of 1998, the Company received federal tax refunds of approximately $5.9
million for the 1986 to 1990 years. Additional interest in the approximate
amount of $175,000 on the 1990 tax refund is still pending.

          California Tax Issues.  In connection with the distribution, the
Company also assumed Lab Holdings' rights and liabilities with respect to an
audit being conducted by the State of California for Lab Holdings' 1987-1989
taxable years which the Company settled in the first quarter of 1998 for
approximately $171,000.

          Although the Company has settled potential liabilities to the IRS and
California for the tax years in question, the settlement made it necessary for
the Company to file amended tax returns in certain states to reflect the results
of the settlement.  Approximately $20,000 was paid with the amended state
returns and a $170,000 state tax refund is now expected.

          Claims Against Scout.  The Company's wholly owned subsidiary, Scout,
has pending against it a warranty claim by the purchaser of a home in Florida
which the Company does not believe is material to the Company's financial
condition.  During 1997, Syntroleum entered into a global settlement of claims
by the homeowners association of the Company's real estate development in Quail
Run.  Pursuant to that settlement, the Company was released from future claims
with respect to the common elements and limited common elements of the
development.

Item 4.   Submission of Matters to a Vote of Security Holders

          None.


                                    Part II

Item 5.   Market for Registrant's Common Equity and Related Stockholder Matters

          Stock Prices.  SLH's common stock traded on the National Market System
of the NASDAQ Stock Market under the symbol "SLHO" from July 29, 1997 until the
closing of the Merger.  Prior to July 29, 1997, SLH's common stock traded over-
the-counter through the OTC Bulletin Board and NQB Pink Sheets.  Following the

                                      -32-
<PAGE>
 
Merger, Syntroleum's common stock began trading on the National Market System of
the NASDAQ Stock Market under the symbol "SYNM."

          The table below reflects the high and low bid prices for the common
stock for each quarter during 1997 and 1998.  Trading in the first quarter of
1997 did not commence until February 24, 1997.  The information has been
adjusted for a three-for-one stock split on July 21, 1997, and a two-for-one
stock split on February 9, 1998.
 
 
                                                 Bid Price
                                                 ---------
Year Ended December 31, 1997:                  High      Low
                                              ------  ---------

         First Quarter                        $ 5.17    $  2.66 *
         Second Quarter                        13.30       5.00
         Third Quarter                         29.00      14.50
         Fourth Quarter                        36.00      23.88
 
Year Ended December 31, 1998:
         First Quarter                         35.50      25.50
         Second Quarter                        32.69      16.25
         Third Quarter                         25.13       6.00
         Fourth Quarter                        12.38       5.25
 

__________________
    * Reflects when issued trading prior to the March 3, 1997 distribution date.

          Record Holders.  As of March 22, 1999, Syntroleum had approximately
1,659 record holders of its common stock  (including brokerage firms and other
nominees).

          Dividends.  Under the Kansas General Corporation Code, dividends may
be paid out of a corporation's surplus, or if there is no surplus, out of the
corporation's net profits, for the fiscal year in which the dividend is declared
or the preceding fiscal year.  At December 31, 1998, Syntroleum's surplus (as
defined under the Kansas General Corporation Code) was approximately
$35,616,000.  In connection with the distribution by Lab Holdings of all shares
of SLH's common stock to Lab Holdings shareholders, effected March 3, 1997, SLH
agreed that it would not, for a period of two years following the distribution,
pay any dividends in cash or property or redeem any of its shares of capital
stock, without the consent of Lab Holdings.  On June 1, 1998, SLH and Lab
Holdings agreed that the restrictions would expire upon the effective date of
the Merger.

          Cash dividends have not been paid since inception.  Syntroleum
currently intends to retain any earnings for the future operation and
development of its business and does not currently anticipate paying any
dividends in the foreseeable future.  Although Syntroleum is not currently a
party to any agreement that restricts dividend payments, future dividends may be
restricted by Syntroleum's then-existing financing arrangements.  See "Item 7.
Management's Discussion and Analysis of Financial Condition and Results of
Operations--Liquidity and Capital Resources."

          Volatility of Stock Price.  Historically, the market prices for
securities of companies without a significant commercial operating history have
been very volatile.  The trading price of Syntroleum's common stock is expected
to continue to be subject to substantial volatility in response to numerous
factors, including, but not limited to, publicity regarding actual or potential
results with respect to development of the Syntroleum Process and design,
construction and commercial operation of plants using this process,
announcements of technological innovations by others with competing GTL
processes, developments concerning intellectual property rights, annual and
quarterly variances in operating results, changes in energy prices, competition,
changes in financial estimates by securities

                                      -33-
<PAGE>
 
analysts, any differences in actual results and results expected by investors
and analysts, investor perception of favorable or unfavorable prospects of
Syntroleum and other events or factors. In addition, the stock market has
experienced significant price and volume volatility that has affected the market
price of equity securities of many companies and that has often been unrelated
to the operating performance of those companies. These broad market fluctuations
may adversely affect the market price of Syntroleum's common stock. There is no
guarantee that an active public market for Syntroleum's common stock will be
sustained.

Item 6.   Selected Financial Data

          The following selected financial information should be read in
conjunction with "Item 7. Management's Discussion and Analysis of Financial
Condition and Results of Operations" and the consolidated financial statements
of Syntroleum and the related notes thereto included elsewhere in this Annual
Report on Form 10-K.  The results of operations of SLH have been included in
Syntroleum's consolidated statement of operations following the effective date
of the Merger (August 7, 1998).

                                          Year Ended December 31,
                                 ----------------------------------------------
                                    1998     1997      1996      1995     1994
                                 --------- -------- --------- --------- -------
                                  (in thousands, except for per share data)

Statement of Operations Data:
Real estate sales revenue........ $  2,416  $     -   $     -  $     -  $    -  
Joint development revenue........    1,779    2,006       616       45      60
Other revenue....................      284        1         -        -       -
Costs and expenses:
 Cost of real estate sold........    2,387        -         -        -       -
 Real estate operating expenses..      267        -         -        -       -
 Pilot plant, engineering
  and research and development...    4,434    2,944     1,120      671       -
 Catalyst services...............        -    4,800         -        -       -
 General and administrative......   10,410    4,228     1,421      580     397
                                  --------  -------   -------  -------  ------
  Total operating expenses.......   17,498   11,972     2,541    1,251     397
                                  --------  -------   -------  -------  ------
Operating income (loss)..........  (13,019)  (9,965)   (1,925)  (1,206)   (337)
Investment, interest and other
  income (expense)...............    1,308      353       (12)      60      18
                                  --------  -------   -------  -------  ------
Net income (loss)................ $(11,711) $(9,612)  $(1,937) $(1,146) $ (319)
                                  ========  =======   =======  =======  ======
Net income (loss) per share-
  basic and diluted (1).......... $  (0.46) $ (0.40)  $ (0.08) $ (0.06) $(0.02)
                                  --------  -------   -------  -------  ------

- -----------------
(1) Adjusted to reflect the exchange ratio for the Merger of 1.2899 shares of
    the Company's common stock for each share of Old Syntroleum's common stock.
    See "Item 7. Management's Discussion and Analysis of Financial Condition and
    Results of Operations."

                                      -34-
<PAGE>
 
                                          Year Ended December 31,
                                 ----------------------------------------------
                                    1998     1997      1996      1995     1994
                                 --------- -------- --------- --------- -------
                                              (in thousands)

Balance Sheet Data:

Working capital.................. $ 37,476  $ 9,846   $   601  $  (410) $  (65) 
Property and equipment net.......    3,210    1,245       521      507      89  
Total assets.....................   50,400   12,091     1,552      873     188  
Deferred revenue.................   11,000   11,000         -        -       -  
Long-term debt...................        -        -     1,000        -       -  
Stockholder's equity.............   35,962   (1,242)      266      203     102  


Item 7.  Management's Discussion and Analysis of Financial Condition and Results
         of Operations

Merger Transaction
 
          Pursuant to the Agreement and Plan of Merger dated as of March 30,
1998 by and between Old Syntroleum and SLH, effective August 7, 1998, (1) Old
Syntroleum merged with and into SLH, (2) SLH changed its name to "Syntroleum
Corporation," (3) the officers of SLH were replaced by the officers of Old
Syntroleum, (4) six of the eight SLH directors were replaced by Old Syntroleum
directors, (5) each outstanding share of Old Syntroleum's common stock was
converted into the right to receive 1.28990 shares of the Company's common
stock, and (6) the Company's Articles of Incorporation were amended to increase
the number of authorized shares of its common stock from 30,000,000 shares to
150,000,000 shares and the number of authorized shares of the its preferred
stock from 1,000,000 shares to 5,000,000 shares.  The Merger and related
transactions are more fully described in the Joint Proxy Statement/Prospectus
filed with the Securities and Exchange Commission on July 6, 1998.

          The Merger was accounted for as a reverse acquisition using the
purchase method of accounting.  Although SLH is the surviving corporation in the
merger for legal purposes, Old Syntroleum is the acquirer for accounting
purposes.  For purposes of preparing its consolidated financial statements, the
Company established a new accounting basis for SLH's assets and liabilities
using the fair values thereof, based upon the consideration paid in the Merger
and Old Syntroleum's costs of the Merger.  For financial reporting purposes, the
results of operations of SLH have been included in the Company's consolidated
statement of operations following the effective date of the Merger.  The
discussion under "-Results of Operations" below includes a comparison of the
Company's results of operations for the year ended December 31, 1998 to Old
Syntroleum's results of operations for the year ended December 31, 1997 and Old
Syntroleum's results of operations for the year ended December 31, 1997 compared
to Old Syntroleum's results of operations for the year ended December 31, 1996.

          The following information should be read in conjunction with the
information presented elsewhere in this Annual Report on Form 10-K (including
Syntroleum's financial statements and notes thereto).

Overview

          Syntroleum is the developer and owner of a proprietary process (the
"Syntroleum Process") designed to catalytically convert natural gas into
synthetic liquid hydrocarbons ("gas to liquids" or "GTL").  The Syntroleum
Process is a simplification of traditional GTL technologies aimed at
substantially reducing both the capital cost and the minimum economical size of
a GTL plant, as well as plant operating costs.  A unique characteristic and
primary advantage of the Syntroleum Process over competing processes is its use
of air, rather than pure oxygen, in the conversion process.  Although no
commercial-scale GTL plant based on the Syntroleum Process has yet been built,
Syntroleum owns and operates a nominal two barrel per day pilot plant in Tulsa,
Oklahoma where it has

                                      -35-
<PAGE>
 
successfully demonstrated certain elements and variations of the Syntroleum
Process. Syntroleum believes that a significant opportunity exists for cost-
effective GTL plants due to the large volumes of natural gas reserves worldwide
that are currently not marketable because distance to market makes their
utilization uneconomical.

          Syntroleum's strategy for commercializing the Syntroleum Process
involves the following key elements: (1) entering into agreements with oil and
gas industry participants to license the Syntroleum Process for use in GTL
plants designed to produce synthetic crude oil and liquid fuels; (2)
establishing joint ventures with oil and gas industry partners and/or financial
partners to design, construct and operate GTL plants designed to produce
specialty products; (3) making available mobile GTL plants to customers on a
contract basis through efforts with industry partners and others; and (4)
continuing to reduce costs and develop process improvements through research and
development activities and acquisitions.  To date, Syntroleum has entered into
master license agreements with Texaco, ARCO and Marathon, and has entered into
volume license agreements with YPF, Enron and Kerr-McGee.  Syntroleum received
an aggregate of $11 million and rights to certain technologies in connection
with these license agreements.  Syntroleum is currently in discussions with
several other oil and gas companies and others with respect to joint ventures to
develop specialty product GTL plants.  Syntroleum has formed a joint venture
with Enron with respect to the development of a specialty products plant,
although the schedule for construction of this proposed plant has not yet been
finally determined.  Syntroleum has entered into joint development arrangements
with Texaco, ARCO, Marathon, Bateman, AGC, GE Power Systems, DaimlerChrysler,
Catalytica Combustion Systems and AMEC.

          Because Syntroleum is incurring costs with respect to developing and
commercializing the Syntroleum Process and does not anticipate recognizing any
revenues from licensing its technology in the near future, the Company expects
to operate at a loss unless and until sufficient revenues are recognized from
licensing activities, specialty product GTL plants or real estate sales.

          Operating Revenues

          General.  During the periods discussed below, Syntroleum's revenues
were generated from (1) sales of real estate holdings owned by SLH prior to the
Merger, (2) reimbursement for research and development activities associated
with the Syntroleum Process and (3) other sources, including rent generated by
real estate holdings owned by SLH prior to the Merger.  Because SLH had
substantially reduced its real estate inventory prior to the Merger, Syntroleum
expects to receive lower levels of revenues from these sources in following
periods.  In the future, Syntroleum expects to receive revenue relating to the
Syntroleum Process from five sources: licensing; catalyst sales; sales of
products from specialty product GTL plants in which Syntroleum owns an equity
interest; revenues from providing mobile GTL plants on a contract basis; and
revenues from research and development activities carried out with industry
partners.  Until the commencement of commercial operation of GTL plants in which
Syntroleum owns an interest, Syntroleum expects that its cash flow relating to
the Syntroleum Process will consist primarily of license fee deposits, site
license fees, catalysts sales and revenues associated with joint development
activities.  Syntroleum will not receive any cash flow from GTL plants in which
it owns an equity interest until the first such plant is constructed.
Syntroleum's future operating revenues will depend on the successful commercial
construction and operation of GTL plants based on the Syntroleum Process, the
success of competing GTL technologies and other competing uses for natural gas.
Syntroleum's results of operations and cash flows are expected to be affected by
changing gas, crude oil, fuel and specialty product prices.  If the price of
these products increases (decreases), there could be a corresponding increase
(decrease) in operating revenues.

          License Revenues.  The revenue earned from licensing the Syntroleum
Process is expected to be generated through four types of contracts: master
license agreements, volume license agreements, regional license agreements and
site license agreements.  Master, volume and regional license agreements provide
the licensee with the right to enter into site license agreements for individual
GTL plants.  A master license agreement grants broad geographic and volume
rights, while volume license agreements limit the total production capacity of
all GTL plants constructed under the agreement to specified amounts, and
regional license agreements limit the geographical rights of the licensee.
Master, volume and regional license agreements require an up-front cash deposit
that may offset or

                                      -36-
<PAGE>
 
partially offset license fees for future plants payable under site licenses.
Syntroleum has acquired technology, commitment of funds for joint development
activities, services or other consideration in lieu of the initial cash deposit
in cases where Syntroleum believed such technologies or commitments had a
greater value.

          Syntroleum's site license agreements require fees to be paid in
increments when certain milestones during the plant design and construction
process are achieved.  The amount of the license fee under Syntroleum's existing
master and volume license agreements is determined pursuant to a formula based
on the present value of the product of (1) the yearly maximum design capacity of
the plant, (2) an assumed life of the plant and (3) Syntroleum's per barrel
rate, which currently is approximately $.50 per barrel of daily capacity,
regardless of plant capacity.  Syntroleum's licensee fees may change from time
to time based on the size of the plant, improvements that reduce plant capital
cost and competitive market conditions.  Syntroleum's accounting policy is to
defer all up-front deposits under master, volume and regional license agreements
and license fees under site license agreements and recognize 50% of such
deposits and fees as revenue in the period in which the engineering process
design package for a plant licensed under the agreement is delivered and
recognize 50% of the deposits and fees when the plant has passed certain
performance tests.  The amount of license revenue Syntroleum earns will be
dependent on the construction of plants by licensees, as well as the number of
licenses it sells in the future.

          Catalyst Revenues.  Syntroleum expects to earn revenue from the sale
of its proprietary catalysts to its licensees.  Syntroleum's license agreements
require Syntroleum's catalyst to be used in the initial fill for the licensee to
receive Syntroleum's process guarantee.  After the initial fill, the licensee
may use other catalyst vendors if appropriate catalysts are available.  The
price for catalysts purchased from Syntroleum pursuant to license agreements is
equal to Syntroleum's cost plus a specified margin.  Syntroleum will receive
revenue from catalyst sales if and when its licensees purchase catalysts.
Syntroleum expects that catalysts will need to be replaced every three to five
years.

          Specialty Product GTL Plant Revenues.  Syntroleum intends to develop
several specialty product GTL plants in which it intends to retain significant
equity interests.  These plants will enable Syntroleum to gain experience with
the commercial operation of the Syntroleum Process and, if successful, are
expected to provide ongoing revenues.  The anticipated specialty products of
these plants (i.e., synthetic lube base oils, synthetic drilling fluid, waxes
and liquid normal paraffins) have historically been sold at premium prices and
are expected to result in relatively high margins for these plants.  Syntroleum
anticipates forming several joint ventures with oil and gas industry and
financial partners in order to finance and operate these plants.  Syntroleum
anticipates that its specialty GTL plants will include partners who have low-
cost gas reserves in strategic locations and/or have distribution networks in
place for the specialty products to be made in each plant.

          Revenues from Providing GTL Plants on a Contract Basis.  Through joint
efforts with industry partners and others, Syntroleum intends to make mobile GTL
plants available to customers on a contract basis.  Syntroleum believes that
there is a significant market for users who need GTL plants for applications
that do not justify the capital investment of a dedicated GTL plant.  Such
applications include: extended well testing in areas with stringent flaring
regulations; conversion of small associated gas fields that are not large enough
to justify the capital investment of a permanent GTL plant; and short-term use
of a GTL plant on large fields to generate cash flow for the customer while a
permanent GTL plant is being built or while awaiting pipeline hookup.

          Joint Development Revenue.  Syntroleum continually conducts research
and development activities in order to reduce the capital and operating costs of
GTL plants based on the Syntroleum Process.  Syntroleum conducts its research
and development activities primarily through two initiatives: (1) independent
development utilizing its own resources and (2) formal joint development
arrangements with its licensee partners and others.  Through these joint
development agreements, Syntroleum may receive revenue as reimbursement for
certain research and development expenses.  Under certain agreements, the joint
development partner may receive credits against future license fees for monies
expended on joint research and development.

                                      -37-
<PAGE>
 
          Real Estate Sales Revenues.  As of December 31, 1998, Syntroleum's
real estate inventory consisted of (1) a seven-story parking garage in Reno,
Nevada; (2) a 49.9% interest in a community shopping center in Gillette,
Wyoming; (3) undeveloped land in Houston, Texas (341 acres comprising the
"Houston Project"), Corinth, Texas (nine acres) and the Kansas City metropolitan
area ( two acres at the intersection of I-35 and 119th Street) and (4) an equity
investment in a hotel being renovated located in Tulsa, Oklahoma.  This real
estate inventory was owned by SLH prior to the Merger and reflects the remaining
assets of a real estate development business that was conducted by SLH in
association with a previously owned life insurance company that was sold in
1990.  The total real estate inventory had an aggregate carrying value at
December 31, 1998 of approximately $5.8 million.  All of the real estate
inventory is held for sale except for the investment in the hotel located in
Tulsa, Oklahoma and the Houston Project, which is being developed for commercial
and residential use.  The timing of real estate sales will create variances in
period-to-period earnings recognition.  Syntroleum does not intend to acquire
additional real estate holdings for development and/or sale outside its core
business interests, and real estate sales revenues should decrease as the
current real estate inventory is liquidated.

          Operating Expenses

          Syntroleum's operating expenses historically have consisted primarily
of pilot plant, engineering and research and development expenses and general
and administrative expenses, which include costs associated with general
corporate overhead, compensation expense, legal and accounting expense and other
related administrative functions.  Syntroleum's policy is to expense pilot
plant, engineering and research and development costs as incurred.  All of these
research and development expenses are associated with Syntroleum's development
of the Syntroleum Process.  Syntroleum has also recognized depreciation and
amortization expense primarily related to office and computer equipment.
Following the Merger, Syntroleum's operating expenses have also included costs
of real estate sold and real estate operating expense.  Syntroleum's general and
administrative expenses have increased substantially as it has expanded its
research and development, engineering and commercial operations, and these
expenses are expected to continue to increase.  In this regard, Syntroleum
entered into a lease for office facilities in August 1997 that has resulted in
increased rental expense.  Syntroleum also expects to continue to incur higher
pilot plant, engineering and research and development expenses as it continues
to develop and improve its GTL technology.  In May 1998, Syntroleum acquired a
16,500-square-foot laboratory located on approximately 100 acres at which it
intends to increase its laboratory and pilot plant operations.

          Syntroleum expects to incur significant expenses in connection with
the start-up of its GTL plants.  For example, Syntroleum expects that its
expenses will increase at the time of commencement of construction of specialty
products plants in which it owns an interest.  Upon the commencement of
commercial operation of GTL plants in which Syntroleum owns an equity interest,
Syntroleum will incur cost-of-sales expense relating primarily to the cost of
natural gas feedstocks for its specialty plants and will incur operating
expenses relating to such plants, including labor, supplies and maintenance.
Due to the substantial capital expenditures associated with the construction of
GTL plants, Syntroleum expects to incur significant depreciation and
amortization expense in the future.

Results of Operations

          1998 Compared to 1997

          Real Estate Sales Revenue.  Revenues from the sale of real estate were
$2,416,000 in 1998, up from zero in 1997 when the Company had no real estate
operations.  This increase was the result of the sale of the final three
condominium units at SLH's Quail Run development in Santa Fe, New Mexico, the
sale of undeveloped land in Kansas City, Missouri and the sale of a boat slip in
Florida.

          Joint Development Revenue.  Revenues from joint research and
development and pilot plant operations were $1,779,000 in 1998, down $227,000
from 1997 when they were $2,006,000.  The decrease was primarily due

                                      -38-
<PAGE>
 
to the completion of construction of the hybrid, multiphase (HMX) reactor at the
Company's pilot plant that was funded by Texaco under an on-going joint
development agreement.

          Other Revenue.  Other revenues were $284,000 in 1998, up $283,000 from
1997 when they were $1,000.  The increase resulted primarily from parking and
retail rentals at the parking garage in Reno, Nevada.

          Cost of Real Estate Sold and Real Estate Operating Expense.  The cost
of real estate sold was $2,387,000 in 1998, up from zero in 1997 when the
Company had no real estate operations.  The increase resulted from the sale of
the condominium units in New Mexico, the undeveloped land in Kansas City and the
boat slip in Florida.  Real estate operating expenses were $267,000 in 1998
compared to zero in 1997 when the Company had no real estate operations.

          Pilot Plant, Engineering and R&D.  Expenses from pilot plant,
engineering and research and development activities were $4,434,000 in 1998, up
$1,490,000 from 1997 when these expenses were $2,944,000.  The increase occurred
as a result of higher research and development spending and higher outside
engineering expense, partially offset by lower operating costs associated with
the development of the hybrid multiphase reactor (HMX) under development with
Texaco.

          General and Administrative and Catalyst Services Expense.  General and
administrative expenses were $10,410,000 in 1998, up $6,182,000 from 1997 when
these expenses were $4,228,000.  The increase is attributable primarily to
higher wages and salaries resulting from higher staffing levels, higher rent
expense and higher expense for outside consultants.  In addition, Syntroleum
incurred a $4,800,000 catalyst services expense in 1997 which is discussed under
"-1997 compared to 1996."  No catalyst service expense was incurred in 1998.

          Investment, Interest and Other Income (Expense).  Investment, interest
and other income increased to $1,308,000 in 1998, up $955,000 from 1997 when
this income was $353,000.  The increase was primarily attributable to interest
income from higher cash balances following the Merger.
 
          Provision for Income Taxes.  Syntroleum incurred a loss in both 1998
and 1997 and did not recognize an income tax benefit for such loss.

          Net Income.  In 1998, Syntroleum experienced a loss of $11,711,000.
The loss was $2,099,000 higher than 1997 when Syntroleum experienced a loss of
$9,612,000.  The increase in the loss is as a result of the factors described
above.

          1997 Compared to 1996

          Joint Development Revenue.  Revenues from joint research and
development and pilot plant operations were $2,006,000 in 1997, up $1,390,000
from 1996 when they were $616,000.  The increase resulted from increased joint
development activities with Texaco relating to the hybrid, multi-phase (HMX)
reactor.

          Pilot Plant, Engineering and R&D.  Expenses from pilot plant,
engineering and research and development activities were $2,944,000 in 1997, up
$1,824,000 from 1996, when these expenses were $1,120,000.  The increase
resulted primarily from increased activity at the pilot plant relating to the
hybrid, multi-phase (HMX) reactor development and higher laboratory costs
associated with more laboratory reactors and the joint development efforts with
ARCO in connection with the ARCO pilot plant currently under construction.  In
addition, a $414,000 write-down of property and equipment occurred in 1997,
which represented costs capitalized in 1996 as part of an anticipated commercial
plant to be located near Odessa, Texas.  In 1997, Syntroleum determined not to
pursue this plant because an agreement was not reached with the owner of the
proposed plant site.  The costs were therefore expensed.

                                      -39-
<PAGE>
 
          General and Administrative and Catalyst Services Expense.  General and
administrative expenses were $4,228,000 in 1997, up $2,807,000 from 1996 when
these expenses were $1,421,000.  The increase in general and administrative
expense resulted from higher compensation expense due to additional staff and
increased travel and professional services due to increased focus on
commercializing the Syntroleum Process.  During 1997 Syntroleum incurred a
$4,800,000 catalyst services expense in connection with a transaction whereby
(1) Criterion exercised a portion of an option and purchased 167,000 shares (on
a pre-Merger basis) of Syntroleum's common stock for $2,004,000, (2) Syntroleum
and Criterion modified an agreement regarding future purchases of catalyst by
Syntroleum, and (3) Syntroleum and Criterion entered into an agreement pursuant
to which Syntroleum issued 400,000 shares (on a pre-Merger basis) of
Syntroleum's common stock (valued at $12.00 per share) to Criterion in
consideration for all prior services rendered to and catalyst received by
Syntroleum from Criterion and other consideration.  Accordingly, this $4,800,000
was expensed.

          Investment, Interest and Other Income (Expense).  Investment, interest
and other income increased to $353,000 in 1997, up $365,000 from the expense of
$12,000 recorded in 1996.  This increase resulted from higher interest income
due to higher cash balances and lower interest expense due to the conversion of
a convertible debenture into shares of Syntroleum's common stock.  See "--
Liquidity and Capital Resources."
 
          Provision for Income Taxes.  Syntroleum incurred a loss in both 1997
and 1996 and did not recognize an income tax benefit for such loss.
 
          Net Income.  In 1997, Syntroleum experienced a loss of $9,612,000.
The loss was $7,675,000 higher than 1996, when Syntroleum experienced a loss of
$1,937,000.  The increase in the loss is as a result of the factors described
above.

Liquidity and Capital Resources

          General

          As of December 31, 1998, Syntroleum had $38,116,000 in cash and short-
term investments and $1,998,000 in current liabilities.  Syntroleum does not
currently have any material outstanding debt or lines of credit.  Prior to the
Merger, Old Syntroleum's primary sources of liquidity were equity capital
contributions and prepaid license fees and its principal liquidity needs were to
fund expenditures relating to research and development and pilot plant
activities and to fund working capital.  At December 31, 1998, the Company had
$602,000 in accounts receivable outstanding with its joint development partners
relating to joint development activities.

          Cash flows (used in) provided by operations were ($12,112,000),
$6,748,000 and ($1,659,000) in 1998, 1997 and 1996, respectively.  The decrease
in cash flows provided by operations in 1998 as compared to 1997 was primarily
the result of the absence during 1998 of prepaid license and option fees, which
the Company recognizes as deferred revenue, and higher salaries and wages
related to higher staffing levels.  Additionally, during 1998, the Company sold
the final three condominium units in Santa Fe, New Mexico, which were acquired
from SLH.  The increase in cash flows provided by operations in 1997 as compared
to 1996 was primarily the result of the receipt of $11,000,000 of prepaid
license and option fees under Syntroleum's license agreements.

          Cash flows provided by (used in) investment activities were
$35,242,000, ($1,114,000) and $(214,000) in 1998, 1997 and 1996, respectively.
The increase in cash flows provided by investment activities in 1998 as compared
to 1997 resulted from investments held to maturity that were acquired in the
Merger, partially offset by higher spending on property and equipment.  The
decrease in cash flows provided by investment activities in 1997 as compared to
1996 primarily resulted from purchases of property and equipment.  Cash flows
provided by financing activities were $1,693,000, $3,642,000 and $2,500,000 in
1998, 1997 and 1996, respectively. Cash flows in 1998  primarily reflected the
investment by Enron in Sweetwater LLC and cash received in the Merger with SLH,
each of which occurred in August 1998.

                                      -40-
<PAGE>
 
          The construction of Syntroleum's specialty product GTL plants will
require significant capital expenditures.  Syntroleum's other efforts to
commercialize the Syntroleum Process will also involve significant expenditures.
Syntroleum intends to obtain additional funding through joint ventures,
partnerships, license agreements and other strategic alliances, as well as
various other financing arrangements.  Syntroleum may also seek debt or equity
financing in the capital markets.  In the event such capital resources are not
available to Syntroleum, its GTL plant development and other activities may be
curtailed.  Syntroleum estimates that construction and disposal costs to
complete real estate projects in development will be approximately $3 million.
 
          In addition, effective December 31, 1998 the Company terminated its
participation in a joint development agreement with Catalytica Advanced
Technologies, Petro-Canada and Technociso, Inc., under which the Company was
obligated to contribute $400,000 per year for three years toward the cost of the
development of a single-step natural gas conversion process.   Through the date
of termination of its participation in this project, Syntroleum had contributed
approximately $600,000 pursuant to this agreement.  Syntroleum continues to work
with Catalytica in catalyst development under the terms of a separate agreement.

          Subsequent to December 31, 1998, the Company received $6.0 million in
satisfaction of a judgment in its favor.  Rights to the litigation were owned by
SLH and acquired by Syntroleum when it merged with SLH in August 1998.  The
monies received will be recorded as additional paid-in capital in the first
quarter of 1999.
 
          Initial Specialty Product GTL Plant

          In May 1997, Syntroleum formed a joint venture through which
Syntroleum intends to develop an 8,000-barrel-per-day specialty product plant.

          Syntroleum has issued a site license and contributed a total of $2
million to the joint venture formed to own and operate this plant.  Syntroleum
intends to contribute an additional $15 million at the closing of the financing
for the plant and, based on current plans, would retain a majority interest.  In
January 1998, Enron contributed $1 million in exchange for a four percent
interest in this joint venture and agreed to contribute an additional
approximately $14 million in exchange for an additional seven percent interest
upon the satisfaction of certain conditions, including the execution of
agreements which provide for the remaining equity and debt financing for the
plant, the execution of fixed price engineering and construction contracts, and
the execution of acceptable agreements for the sale of products produced at the
plant.  The capital costs of this plant are currently expected to be funded by a
combination of project senior and subordinated debt and additional equity
financing.  Actual ownership percentages may vary from current estimates
depending on the terms of subsequent financings.  Additionally, Enron and
Syntroleum entered into an option agreement which provides that, in the event of
the completion of an underwritten public offering and the repayment of at least
50% of the senior term loan financing for this joint venture, Enron may elect
during a period of two years to exchange its interest in this joint venture for
a number of shares of Syntroleum's common stock equal to the quotient of the
amount of Enron's contributions to this joint venture and 130% of the average
market price of the common stock during the first 30 trading days following an
underwritten public offering.  The option agreement also provides that, if such
repayment does not occur by the eighth year after plant start up, Enron may
elect to purchase, during the 180-day period following such date, such number of
shares in exchange for the amount of Enron's contributions to this joint
venture.  In addition, the option agreement provides that, if an underwritten
public offering has not yet occurred following the later to occur of the fourth
year after the plant passes certain performance tests and the repayment of at
least 50% of the senior term loan financing for this joint venture, Enron may
elect during a period of up to 10 years to require Syntroleum to purchase its
interest in this joint venture for a price equal to three times the annual
average cash distributions made to Enron by this joint venture during the
preceding three-year period.

          Syntroleum plans to fund the remaining estimated capital cost of this
plant through project equity and debt financing.  During the fourth quarter of
1998, Syntroleum continued to advance on development of the project through
negotiations of terms relating to floor pricing of products produced at the
plant, the sale of electricity and the purchase of natural gas.  Syntroleum is
currently reviewing preliminary design and cost estimates for the plant

                                      -41-
<PAGE>
 
and exploring sources of debt and equity capital to fund final design and
construction. However, there can be no assurance that the necessary capital for
this project will be obtained. The schedule for construction of this plant has
not yet been finally determined.

          The Joint Venture GTL Plant

          In November 1997, Syntroleum, Texaco and Kellogg Brown & Root entered
into a project development agreement for the development of a small GTL plant
based on the Syntroleum Process.  In July 1998, the parties extended the term of
the agreement to July 15, 1999.  During the third quarter of 1998, Kellogg Brown
& Root informed Syntroleum of its decision not to participate in the project as
an equity holder while expressing an interest in continuing to provide
engineering and construction services to the project.  The project development
agreement provides that Syntroleum and Texaco will initially contribute up to
$1.5 million to the project in cash and that additional contributions may be
made by the parties at or after the formation of the joint venture.  To date,
the parties have spent approximately $1.3 million on the project.
 
          The first phase of the project, which involved preparation of a
feasibility study, has been completed.  Because of the difficulty in attracting
the necessary capital for the project in the current climate of low oil and gas
prices, the project has been suspended.  Syntroleum is currently reviewing
smaller plant designs capable of achieving similar objectives of the original
project and which Syntroleum believes would be capable of attracting the
necessary equity and/or debt capital for design and construction.  Several of
Syntroleum's licensees have expressed interest in such a revised project.
However, there can be no assurance that this project will be resumed or that the
necessary capital will be obtained.

Additional Financing Requirements and Access to Capital Funding

          Syntroleum has expended and will continue to expend a substantial
amount of funds to continue the research and development of its technologies, to
market the Syntroleum Process and to design and construct GTL plants.
Syntroleum intends to obtain additional funds primarily through a combination of
equity and debt project financing, collaborative or other arrangements with
strategic partners and others and debt and equity financing in the capital
markets.  Financing may not be available when needed or on terms acceptable to
Syntroleum.  If adequate funds are not available, Syntroleum may be required to
delay or to eliminate expenditures for certain of its capital projects or to
license to third parties the rights to commercialize additional products or
technologies that Syntroleum would otherwise seek to develop itself.  If
additional funds are raised by issuing equity securities, dilution to
stockholders may occur. In addition, preferred stock could be issued in the
future without stockholder approval and the terms of such preferred stock could
include dividend, liquidation, conversion, voting and other rights that are more
favorable than the rights of the holders of Syntroleum's common stock.

          Assuming the commercial success of the plants based on the Syntroleum
Process, Syntroleum expects that license fees, revenues from providing GTL
plants on a contract basis, catalyst sales and sales of specialty products will
be a source of funds for operations.  However, Syntroleum may not receive any
such revenues, and such revenues may not be sufficient for capital expenditures
or operations and may not be received within the expected time frame.  If
Syntroleum is unable to generate funds from operations, its need to obtain funds
through financing activities will be increased.

Ability to Manage Growth and Achieve Business Strategy

          Syntroleum anticipates that it may experience significant growth as it
commercializes the Syntroleum Process. Syntroleum's rapid growth to date has
placed a significant strain on Syntroleum's scientific, technical, operational
and administrative resources.  As Syntroleum implements its strategy to
commercially develop its GTL technology, demands on Syntroleum's scientific,
technical, operational and administrative resources will continue to increase.
Syntroleum's ability to implement its business strategy may be constrained, and
the timing of such implementation may be impacted, due to insufficient
resources.  At March 1, 1999, Syntroleum had 65 full-time

                                      -42-
<PAGE>
 
employees. Competition for personnel is intense, and Syntroleum may not be able
to retain such personnel or attract and assimilate additional personnel. The
failure of Syntroleum to continue to expand its resources or the occurrence of
expansion difficulties could have a material adverse effect on Syntroleum's
business, operating results and financial condition. In addition, Syntroleum
does not have any experience managing the design, construction or operation of
commercial GTL plants or any commercial plants, and Syntroleum may not be
successful in doing so.

Syntroleum's Lack of Operating History

          Syntroleum was founded in 1984 and began efforts to commercialize the
Syntroleum Process in 1993.  Prior to the receipt of license fees in late 1996
and 1997, Syntroleum's only significant revenues were from joint development
activities.  Accordingly, Syntroleum does not have an operating history upon
which an evaluation of Syntroleum's prospects can be based.  Syntroleum's
prospects must be considered in light of the risks, expenses and difficulties
frequently encountered by companies seeking to develop new and rapidly evolving
technologies.  To address these risks, Syntroleum must, among other things,
respond to competitive factors, continue to attract, retain and motivate
qualified personnel and commercialize and continue to upgrade its GTL
technologies.  Syntroleum may not be successful in addressing such risks.
Syntroleum has incurred net losses from inception through 1998.  Although
Syntroleum received significant license fees in 1997, such fees may not be
sustainable and are not indicative of future operating results.  There can be no
assurance that Syntroleum will achieve or sustain profitability.

          Syntroleum's anticipated expense levels are based in part on its
expectations as to future operating activities and are not based on historical
financial data. Syntroleum plans to increase its capital expenditures to fund
the design and construction of GTL plants, increase its operating expenses to
fund greater levels of research and development and increase its marketing and
operational capabilities.  To the extent that such expenses precede or are not
subsequently followed by increased revenues or cash flows, Syntroleum's
business, operating results and financial condition will be materially adversely
affected.

Potential Fluctuations in Annual and Quarterly Results

          Syntroleum expects to experience significant fluctuations in future
annual and quarterly operating results. These fluctuations are expected because
of the unpredictability of many factors that impact Syntroleum's business.
These factors include timing of any construction by Syntroleum of its GTL
plants, timing of any construction of GTL plants by licensees, demand for
licenses to the Syntroleum Process and receipt and revenue recognition of
license fees, oil and gas prices, timing and amount of research and development
expenditures, demand for specialty products, introduction or enhancement of GTL
technologies by Syntroleum and its competitors, market acceptance of new
technologies and general economic conditions.  As a result, Syntroleum believes
that period-to-period comparisons of its results of operations are not
meaningful and should not be relied upon as any indication of future
performance.  Due to all of the foregoing factors, it may be that in some future
year or quarter Syntroleum's operating results will be below the expectations of
public market analysts and investors. In such event, the price of Syntroleum's
common stock would likely be materially adversely affected.

Potential Requirement to Pay Personal Holding Company Taxes

          In the United States, a company is classified as a personal holding
company in a taxable year if (1) five or fewer individuals own, directly or
under certain constructive ownership rules, more than 50% in value of its
outstanding stock at any time during the last half of such taxable year and (2)
at least 60% of its adjusted ordinary gross income (as defined in Section
543(b)(2) of the Internal Revenue Code of 1986, as amended) consists of
interest, dividends, royalties or other items of personal holding company
income. Syntroleum believes that it will satisfy such income character component
of the definition of a personal holding company only if deposits or other
payments which it receives under its license agreements constitute items of
personal holding company income. Although Syntroleum believes that such payments
are not personal holding company income, the Internal Revenue Service may
contest such position.

                                      -43-
<PAGE>
 
          A personal holding company is subject to not only the regular federal
income tax, but is also subject to an additional tax of 39.6% of its
undistributed personal holding company income, which is generally taxable income
reduced by dividends paid and with the adjustments which are listed in Section
545 of the Internal Revenue Code.  Syntroleum believes that it has no material
exposure to the personal holding company tax for periods through the end of 1998
because the amounts which would have been undistributed personal holding company
income for any such period if Syntroleum had been a personal holding company
were not material for such periods.
 
          Based on current levels of stock ownership, Syntroleum believes that
slightly less than 50% in value of Syntroleum's common  stock is owned (actually
or under such constructive ownership rules) by five or fewer individuals.  As a
result, Syntroleum does not currently  satisfy the stock ownership test for
classification as a personal holding company.  The five individuals with the
largest ownership interests for this purpose are Blanche L. Agee (mother of Mark
A. and Kenneth L. Agee), Robert A. Day, W D. Grant, R. Anthony Jacobs and James
R. Seward.  If at any time an individual acquires a sufficient number of shares
of Syntroleum's common stock so that Syntroleum then satisfies the stock
ownership test for classification as a personal holding company, and if
Syntroleum then satisfies the personal holding income test for classification as
a personal holding company, Syntroleum could be subject to additional taxation
as a personal holding company.

Potential Applicability of the Investment Company Act

          The Investment Company Act of 1940, as amended, requires the
registration of, and imposes various substantive restrictions on, certain
companies that engage primarily, or propose to engage primarily, in the business
of investing, reinvesting or trading in securities, or that fail certain
statistical tests regarding the composition of assets and sources of income, and
are not primarily engaged in businesses other than investing, holding, owning or
trading securities. Syntroleum believes that under the provisions of the
Investment Company Act, it is, and it intends to remain, primarily engaged in
businesses other than investing, reinvesting, owning, holding or trading in
securities. Syntroleum has sought to temporarily invest its assets, pending
their use, so as to avoid becoming subject to the registration requirements of
the Investment Company Act.  In addition, Syntroleum has and will continue to
seek temporarily to invest cash flow from operations, pending its use, and to
apply such cash flow, so as to avoid becoming subject to the registration
requirements of the Investment Company Act.  Such investment is likely to result
in obtaining lower yields on the funds invested than might be available in the
securities market generally.  However, no assurance can be given that such
investments and utilization can be made, or that any other exemption would be
available, so as to enable Syntroleum to avoid the registration requirements of
the Investment Company Act.  If Syntroleum were required to register as an
investment company under the Investment Company Act, it would become subject to
substantial regulation with respect to its capital structure, management,
operations, transactions with affiliated persons (as defined in the Investment
Company Act) and other matters. Application of the provisions of the Investment
Company Act would have a material adverse effect on Syntroleum's business,
operating results and financial condition.

Foreign Operations

          Syntroleum plans to construct GTL plants in foreign countries, where
Syntroleum would be subject to risks of a political nature and other risks
inherent in foreign operations.  These risks include changes in domestic and
foreign taxation, labor disputes, civil disturbances and uncertain political and
economic environments as well as risks of war and civil disturbances or other
risks that may limit or disrupt production and markets or result in the
deprivation of contract rights or the taking of property by nationalization or
appropriation without fair compensation. International operations and
investments may also be adversely affected by laws and policies of the United
States affecting foreign trade, investment and taxation, which could affect the
conduct or profitability of these operations.  Any such events could have a
material adverse effect on Syntroleum's business, operating results and
financial condition.

                                      -44-
<PAGE>
 
Currency Risk

          Syntroleum expects to conduct a portion of its business in currencies
other than the United States dollar.  Syntroleum expects to attempt to minimize
its currency exchange risk by seeking international contracts payable in local
currency in amounts equal to Syntroleum's estimated operating costs payable in
local currency and in United States dollars for the balance of the contract.  In
addition, Syntroleum expects to seek contractual purchase price adjustments
based on an exchange rate formula related to United States dollars.  In the
future, Syntroleum also may have significant investments in countries other than
the United States.  The functional currency of these foreign operations will be
the local currency, and accordingly, financial statement assets and liabilities
will be translated at current exchange rates.

Year 2000 Compliance

          Historically, certain computerized systems have used two digits rather
than four digits to define the applicable year, causing them to not properly
recognize a year that does not begin with "19." This could result in major
failures or miscalculations and is generally referred to as the "Year 2000
issue." Syntroleum recognizes that the impact of the Year 2000 issue extends
beyond traditional computer hardware and software to automated systems and
instrumentation, as well as to third parties such as vendors, suppliers,
customers, banks and securities markets.

          Syntroleum's computer hardware and software and automated systems and
instrumentation were acquired during the past two years.  Based on the recent
date of purchase and assertions made by the vendors of these systems, Syntroleum
believes these systems are Year 2000 compliant.

          With respect to external parties, Syntroleum is in the process of
completing its assessment of the level of risk to Syntroleum of non-compliance
by the external parties and, to the extent it deems necessary, has contacted
those external parties deemed to be significant to Syntroleum's operations.
Based on assertions made by these external parties, Syntroleum does not believe
that a material uncertainty exists of noncompliance by an external party which
would significantly affect Syntroleum's operations.

          The total cost of Year 2000 activities to date has not been, and
future costs are not expected to be, material to Syntroleum's operations,
liquidity or capital resources.

          Syntroleum's assessment of its Year 2000 issues involves many
assumptions, and Syntroleum's assumptions may prove to be inaccurate and actual
results could differ significantly from these assumptions.  In conducting its
Year 2000 compliance efforts, Syntroleum has relied primarily on seller
representations with respect to its internal computerized systems and
representations from third parties with which Syntroleum has business
relationships and has not independently verified these representations.  These
representations might not prove to be accurate.  A Year 2000 failure could
result in a business disruption that adversely affects Syntroleum's business,
financial condition or results of operations.  Although it is not currently
aware of any likely business disruption, Syntroleum is developing contingency
plans to address certain potential Year 2000 failures and expects this work to
continue through 2000.  Syntroleum is also continuing to monitor Year 2000 risks
and compliance and expects this work to continue through 2000.

New Accounting Pronouncements

          In June 1998, the Financial Accounting Standards Board issued SFAS No.
133, Accounting for Derivative Instruments and Hedging Activities.  SFAS No.
133 establishes accounting and reporting standards requiring that every
derivative instrument (including certain derivative instruments embedded in
other contracts) be recorded in the balance sheet as either an asset or
liability measured at its fair value.  SFAS No.  133 requires that changes in
the derivative's fair value be recognized currently in earnings unless specific
hedge accounting criteria are met.  Special accounting for qualifying hedges
allows a derivative's gains and losses to offset related results on the hedged
item in the income statement.  Companies must formally document, designate and
assess the effectiveness of transactions

                                      -45-
<PAGE>
 
that receive hedge accounting. SFAS No. 133 is effective for fiscal years
beginning after June 15, 1999, however, companies may implement the statement as
of the beginning of any fiscal quarter beginning June 16, 1998. SFAS No. 133
cannot be applied retroactively and must be applied to (a) derivative
instruments and (b) certain derivative instruments embedded in hybrid contracts
that were issued, acquired, or substantively modified after December 31, 1997
(and, at the company's election, before January 1, 1998). As of December 31,
1998, the Company had no outstanding derivative instruments.

Item 7A.  Quantitative and Qualitative Disclosures about Market Risk

          Syntroleum had short-term investments in the form of U.S. Treasury
securities as of December 31, 1998. The majority of these securities mature in
less than 90 days.  The Company's policy is to hold short-term securities to
maturity which minimizes interest rate risk.  The average interest rate on these
investments at December 31, 1998 was approximately 4.9%.
 
          Syntroleum does not currently conduct any material operations in
foreign markets.  Accordingly, Syntroleum does not have market risk related to
foreign exchange rates.

          Syntroleum does not purchase futures contracts nor does it purchase or
hold any derivative financial instruments.

Item 8.   Financial Statements and Supplementary Data

          The consolidated financial statements of Syntroleum, together with the
report thereon of Arthur Andersen LLP dated January 15, 1999, are set forth on
pages F-1 through F-15 hereof.  See Item 14 for an index to the consolidated
financial statements.

Item 9.   Changes in and Disagreements with Accountants on Accounting and
          Financial Disclosure

          The information required by this Item was previously disclosed in the
Registrant's Current Report on Form 8-K dated February 16, 1999, as amended on
February 25, 1999.

                                    PART III

Item 10.  Directors and Executive Officers of the Registrant

          The following table sets forth certain information concerning the
directors and executive officers of Syntroleum as of March 15, 1999.  Unless
otherwise indicated, each of the directors and executive officers of Syntroleum
has served in the indicated positions since the closing of the Merger on August
7, 1998.
 
 
                                                                   Director's
           Name              Age              Position             Term Ending
- ------------------------- ------- ----------------------------   ---------------

Kenneth L. Agee               42  Chief Executive Officer and           2001
                                  Chairman of the Board
Mark A. Agee                  46  President, Chief Operating            2000
                                  Officer and Director
Charles A. Bayens             60  Vice President of Engineering
Carla S. Covey                26  Controller
Eric Grimshaw                 46  Vice President, General Counsel
                                  and Secretary
Paul F. Schubert              43  Vice President of Research and
                                  Development
Peter V. Snyder, Jr.          53  Vice President of Product Sales

- --------------------------------------------------------------------------------

                                      -46-
<PAGE>
 
Michael P. Stewart            44  Vice President of Information
                                  Technology
Randall M. Thompson           40  Vice President and Chief
                                  Financial Officer
Larry J. Weick                50  Vice President of Licensing and
                                  Business Development
Alvin R. Albe, Jr.            45  Director                                  1999
Frank M. Bumstead             57  Director                                  2000
P. Anthony Jacobs             57  Director                                  2001
Robert Rosene, Jr.            45  Director                                  2000
James R. Seward               46  Director                                  2001
J. Edward Sheridan            64  Director                                  1999
 

          Kenneth L. Agee is the Chief Executive Officer and Chairman of the
Board of Syntroleum.  Mr. Kenneth L. Agee was the founder of Old Syntroleum and
became Chief Executive Officer in February 1996 and Chairman of the Board in
November 1995.  Prior thereto, he served as Old Syntroleum's President and as a
director of Old Syntroleum.  He is a graduate of Oklahoma State University with
a degree in Chemical Engineering and is a licensed Professional Engineer in the
State of Oklahoma. In addition, he has over 15 years of experience in the oil
and gas industry and is listed as Inventor on several United States and foreign
patents and several pending patent applications, all of which have been assigned
to Syntroleum.

          Mark A. Agee is President, Chief Operating Officer and a director of
Syntroleum.  Mr. Mark A. Agee joined Old Syntroleum in January 1994 and became
President and Chief Operating Officer in February 1996.  He also became a
director of Old Syntroleum in March 1985.  From 1989 to May 1993, he served as
President, Chief Executive Officer and Director of Convergent Communications, a
company which he founded in 1989 and sold in 1993.  From 1981 to 1989, he served
as President, Chief Executive Officer and a Director of XETA Corp., a computer
company which he founded in 1981 and which become public in 1987.  He holds a
Bachelor's degree in Chemical Engineering from the University of Tulsa and is a
licensed Professional Engineer in the State of Oklahoma.

          Charles A. Bayens is the Vice President of Engineering of Syntroleum.
Mr. Bayens joined Old Syntroleum in July 1997 as Business Development Manager
and became Vice President of Engineering in December 1997.  Prior to joining Old
Syntroleum, Mr. Bayens was with Shell Oil Company from 1967 to 1997 in various
technical and business assignments.  From 1991 to 1997, he was President of
Shell Synthetic Fuels, Inc. where he managed the commercialization of  Shell's
suite of synfuels technologies.  Concurrently, from 1991 to 1994, he was also
Manager, Technology Licensing, for Shell.  Mr. Bayens holds a Ph.D. in Chemical
Engineering from Johns Hopkins University.

          Carla S. Covey is the Controller of Syntroleum.  Ms. Covey joined
Syntroleum as Director of Accounting in June 1997.  Prior to joining Syntroleum,
Ms. Covey served as Accounting Manager/Human Resource Manager and Manager,
Facility Operations for AGC Manufacturing Services, Inc. in Tulsa, Oklahoma
during the period from 1995 to 1997.  Ms. Covey also served as Assistant
Director of Human Resources for the Adam's Mark Hotel in Tulsa, Oklahoma from
1994 to 1995.  Ms. Covey received her B.A. degree in Business Administration
from Drury College and her M.S. degree in Management from Southern Nazarene
University.  Ms. Covey is a certified public accountant.

          Eric Grimshaw is Vice President, General Counsel and Secretary of
Syntroleum.  Mr. Grimshaw joined Old Syntroleum in June 1997 as Vice President,
General Counsel and Secretary.  Prior to joining Old Syntroleum, Mr. Grimshaw
was a partner with the law firm of Pray, Walker, Jackman, Williamson & Marlar.
Mr. Grimshaw received a B.A. degree from the University of Colorado and received
his law degree from the University of Tulsa.

                                      -47-
<PAGE>
 
          Paul Schubert is the Vice President of Research and Development of
Syntroleum.  Dr. Schubert joined Syntroleum as Research Project Manager in May
1998.  From 1996 to 1998, Dr. Schubert was Vice President of Monitor Labs,
Denver, Colorado, where he was responsible for research, development and
marketing of catalytic and laser based air emissions monitoring devices.  From
1990 until 1996, Dr. Schubert served in a variety of roles with Catalytica, Inc.
(Mountain View, California), a company engaged in research and development of
catalytic processes.  In his last few years at Catalytica, he served as Vice
President of their Advanced Sensor Devices Division, which was sold to Monitor
Labs in 1996.  Prior to joining Catalytica, Dr. Schubert worked with Phillips
Petroleum and Englehard Corporation in research, development and manufacturing
of catalysts for the petrochemical industry.  Dr. Schubert received a B.S.
Degree with High Honors from the University of Arkansas, and a Ph.D. in
Inorganic Chemistry from the University of Illinois at Urbana-Champaign.  He is
an inventor or co-inventor of 13 U.S. patents, and has authored over two dozen
technical publications.

          Peter V. Snyder, Jr. is the Vice President of Product Sales of
Syntroleum.  He joined Old Syntroleum in January 1996.  From 1979 to 1984, he
served as Product Manager of Synthetic Waxes for Moore and Munger, Sasol's North
American distribution company.  From 1984 until 1989, he served as Director of
Specialty Products for Moore and Munger and became Vice President and Director
of Marketing in 1989.  He joined C&C Petroleum and Chemicals Group in January
1991 as President and Chief Executive Officer.  Mr. Snyder has over 18 years of
experience in the lubes, chemicals and wax business and has been a member of the
board of the Adhesive and Sealants Council, one of the largest wax-consuming
industries in the world, since 1996.  He is a graduate of the Taft School and
the University of North Carolina.

          Michael L. Stewart is the Vice President -of Information Systems of
Syntroleum and has served in that position since November 1998.  Mr. Stewart
joined Syntroleum in May 1997 as information technology manager, bringing over
23 years of computer and information systems related experience to the Company.
From 1993 until joining Syntroleum, he was a management consultant involved in
data processing, systems operation, planning and organization.  Earlier, he held
the positions of Vice President - Management Information Services for Convergent
Communications, Inc. and database design specialist for Continental Savings and
Loan.

          Randall M. Thompson is the Vice President and Chief Financial Officer
of Syntroleum.  Mr. Thompson joined Old Syntroleum in January 1997 as Vice
President and Chief Financial Officer.  From January 1994 through December 1996,
he held various financial and marketing positions with Tenneco Energy
Corporation, as vice president of strategic planning, marketing and business
development.  From 1983 through 1994, Mr. Thompson was employed by Atlantic
Richfield Company and held management/analyst positions.  Mr. Thompson holds a
B.A. in Economics from the University of Colorado and an M.B.A. from The Wharton
School at the University of Pennsylvania.

          Larry J. Weick is Vice President of Licensing and Business Development
of Syntroleum.  Mr. Weick joined Old Syntroleum in 1996 as Vice President of
Licensing and Business Development.  From 1971 to 1982, he held positions in
engineering, planning and project development in the natural gas and electric
utility industry.  From 1982 to 1994, he held several finance, planning and
business development positions with Atlantic Richfield Company.  From 1994 to
1996, Mr. Weick served as a consultant to Syntroleum.  He holds a B.S. in
Electrical Engineering from the University of Nebraska at Lincoln and an M.S. in
Engineering-Economics from Stanford University.  Mr. Weick is also a Licensed
Professional Engineer in both Nebraska and Texas.

          Alvin R. Albe, Jr. became a director of Old Syntroleum in December
1988.  Mr. Albe is currently Executive Vice President of the TCW Group, Inc., a
capital management firm.  Prior to joining TCW in 1991, Mr. Albe was President
of Oakmont Corporation, a privately held corporation which administers and
manages assets for several families and individuals.  Mr. Albe was associated
with Oakmont Corporation from 1982 to 1991.  Before that time, he was Manager of
Accounting at McMoRan Oil and Gas Co., and a Certified Public Accountant with
Arthur Andersen & Co. in New Orleans.  Mr. Albe graduated from the University of
New Orleans with a B.S. in Accounting.

                                      -48-
<PAGE>
 
          Frank M. Bumstead became a director of Old Syntroleum in May 1993.  He
has served as the President of Flood, Bumstead, McCready & McCarthy, Inc., a
financial and business management firm, since 1990.  Mr. Bumstead has served as
Vice Chairman of the Board of Response Oncology, Inc., a health care services
firm, since 1986.  He has served as a director of First Union National Bank of
Tennessee since 1996.  Mr. Bumstead has also served as a director of American
Retirement Corp. and as a director of Imprint Records, Inc. since 1995 and as a
director of TBA Entertainment, Inc. since 1994.
 
          P. Anthony Jacobs has served as a director of the Company since
December 1996.  Mr. Jacobs also served as the Chairman of the Board of the
Company from December 1996 through the closing date of the Merger.  Prior to the
Merger, he also served as a director of Old Syntroleum, a position he held since
1995.  Mr. Jacobs serves as President and Chief Executive Officer of Lab
Holdings, Inc., a company principally engaged in the laboratory testing
business, a position he has held since September 1997.  From 1990 to 1993, he
served as Executive Vice President and Chief Operating Officer of Lab Holdings
and from May 1993 to September 1997, he served as President and Chief Operating
Officer of Lab Holdings.  Mr. Jacobs serves on the board of directors for Lab
Holdings as well as the board of directors for Trenwick Group, Inc. and Response
Oncology, Inc.  Mr. Jacobs holds an M.B.A. from the University of Kansas and
also is a Chartered Financial Analyst.
 
          Robert Rosene, Jr. became a director of Old Syntroleum in March 1985.
Mr. Rosene is President of Seminole Energy Services, L.L.C., a natural gas
consulting and marketing company.  From 1984 to August 1998, he was Vice
President of Boyd Rosene and Associates, Inc., a natural gas consulting and
marketing firm which he co-founded.  From 1976 to 1984, he was employed with
Transok Pipeline Company, where he served in various positions, including
Manager of Rates and Contract Administration and Director of Gas Acquisitions.
In 1987, Mr. Rosene co-founded MBR Resources, an oil and gas production company
with operations in Arkansas, New Mexico, Oklahoma and Texas.  Mr. Rosene holds a
B.A. in Accounting from Oklahoma Baptist University.
 
          James R. Seward has served as a director of the Company since December
1996.  Mr. Seward also served as the President and Chief Executive Officer of
the Company from February 1997 through the closing date of the Merger.  Prior to
the Merger, he also served as a director of Old Syntroleum, a position he held
since 1988.  From 1990 to September 1997, Mr. Seward served as Chief Financial
Officer and a director of Lab Holdings, and from 1990 to May 1993 also served as
Senior Vice President and from May 1993 to September 1997 served as Executive
Vice President of Lab Holdings.  He also serves as a director of Response
Oncology, Inc., LabOne, Inc. and Concorde Career Colleges.  Mr. Seward holds an
M.B.A. in Finance and a M.P.A. from the University of Kansas and is also a
Chartered Financial Analyst.
 
          J. Edward Sheridan became a director of Old Syntroleum in November
1995.  In 1985, Mr. Sheridan founded and since that time has served as President
of Sheridan Management Corporation, a company whose purpose is to provide
support services to businesses in industries with global markets for their
products and services.  From 1973 to 1975, he was Chief Financial Officer at
Fairchild Industries and from 1975 to 1985, he was Chief Financial Officer at
AMT, Inc.  Mr. Sheridan is also a director of Bitwise Design, Inc.  Mr. Sheridan
holds an M.B.A. from Harvard University with an emphasis on Finance and
International Operations and a B.A. from Dartmouth College.
 
          There are no family relations, of first cousin or closer, among
Syntroleum's directors or executive officers, by blood, marriage or adoption,
except that Mr. Kenneth L. Agee and Mr. Mark A. Agee are brothers.
 
Dependence on Key Personnel

          Syntroleum's performance is substantially dependent on the performance
of its executive officers and key employees, including Kenneth L. Agee
(Syntroleum's founder, Chief Executive Officer and Chairman of the Board and
inventor with respect to many of Syntroleum's  patents and patent applications),
and Mark A. Agee (Syntroleum's President and Chief Operating Officer).  Given
Syntroleum's early stage of development, Syntroleum is dependent on its ability
to retain and motivate high quality personnel, especially its management,
scientific and

                                      -49-
<PAGE>
 
technical personnel. Except for a $500,000 life insurance policy held by the
Company on the life Kenneth L. Agee, Syntroleum does not maintain "key person"
life insurance policies on any of its employees. The loss of the services of any
of its executive officers or other key employees could have a material adverse
effect on the business, operating results and financial condition of Syntroleum.

Section 16(a) Beneficial Ownership Reporting Compliance

          Section 16(a) of the Securities Exchange Act of 1934 requires
Syntroleum's directors and executive officers to file with the SEC and the
NASDAQ Stock Market initial reports of ownership and reports of changes in
ownership of common stock. Based solely on a review of the copies of such
reports furnished to Syntroleum and representations that no other reports were
required, Syntroleum believes that all its directors and executive officers
during the fiscal year ended December 31, 1998 complied on a timely basis with
all applicable filing requirements under Section 16(a) of the Exchange Act
except that Alvin R. Albe, Jr. filed a late Form 4 reporting two transactions
and J. Edward Sheridan filed a late Form 4 reporting one transaction.

Item 11.  Executive Compensation

          The following tables show the compensation for the chief executive
officer and each of the other four most highly compensated executive officers of
Syntroleum serving as such on December 31, 1998.  These tables also show the
compensation for the former chief executive officer of Syntroleum and the two
most highly compensated former executive officers of Syntroleum that served in
1998.

                           Summary Compensation Table
<TABLE>
<CAPTION>
                                                                                             Long-Term
                                                              Annual Compensation(1)        Compensation
                                                              -----------------------       ------------
                                                                                                                    All
                                                                                             Securities             Other
      Name and                                                                               Underlying         Compensation
 Principal Position              Year              Salary($)         Bonus($)                Options(2)            ($)(3)
                                                   ---------         -------                 ---------            -------
<S>                             <C>               <C>                <C>                   <C>                  <C> 
Kenneth L. Agee(4)               1998              225,000               ---                   32,247               1,258
Chairman of the Board and 
Chief Executive Officer          1997              140,092            50,000                      ---                 ---

James R. Seward(5)(6)            1998              163,116            75,000                      953                 366
Director, former President and
Chief Executive Officer          1997               64,647           450,000                  391,934                 854

Mark A. Agee(4)                  1998              200,000               ---                   25,798               1,506
Director, President and          
Chief Operating Officer          1997              128,333            50,000                      ---                 ---

Randall M. Thompson(4)           1998              170,008            50,000                   32,247                 100
Vice President and
Chief Financial Officer          1997              114,583               ---                   98,677                 ---

Larry J. Weick(4)                1998              170,000               ---                   25,798                 100
Vice President of Licensing      
and Business Development         1997              123,162            50,000                   25,798                 ---

Eric Grimshaw(4)                 1998              140,005            25,000                   19,348                 100
Vice President and               
General Counsel                  1997               60,000              ---                    45,146                 ---

P. Anthony Jacobs(5)(7)          1998              163,097                                        953                 980
Director and Former
Chairman of the Board            1997              111,204                                    391,934                 980

</TABLE> 

                                      -50-
<PAGE>
 
<TABLE> 
<S>                             <C>               <C>                <C>                   <C>                  <C> 
Steven K.  Fitzwater(5) (8)      1998              130,479           30,000                        0              1,302
Former Vice President, Chief
Financial officer, Chief
Accounting Officer, Secretary
and Treasurer                    1997               50,129             ---                   243,000              1,302
 
</TABLE>
(1) The named executive officers did not receive any annual compensation not
    properly categorized as salary or bonus, except for certain perquisites and
    other personal benefits which are not shown because the aggregate amount of
    such compensation, if any, for the named executive officers during the
    fiscal year did not exceed the lesser of $50,000 or 10% of total salary and
    bonus reported for such executive officer.

(2) The options reflect adjustments made for the 1997 and 1998 stock splits and
    the merger with SLH Corporation in 1998.

(3) Reflects auto allowances.

(4) Information with respect to Messrs. Kenneth L. Agee, Mark A. Agee, Thompson,
    Weick and Grimshaw includes compensation received while such persons were
    employees of Old Syntroleum prior to the Merger.

(5) From March 3, 1997 (the date that the Company's common stock first became
    publicly traded pursuant to a transaction commonly referred to as a
    "spin-off" by Lab Holdings) until June 1, 1997, the base salaries of James
    R. Seward, P. Anthony Jacobs and Steven K. Fitzwater were paid by Lab
    Holdings pursuant to the Interim Services Agreement between Syntroleum and
    Lab Holdings. On June 1, 1997, the arrangement was terminated, and
    Syntroleum began paying base salary compensation to Messrs. Seward and
    Jacobs at the rate of $75,000 per annum and to Mr. Fitzwater at the rate of
    $60,000 per annum as contemplated by employment agreements between
    Syntroleum and each such executive. The table reflects amounts paid to
    Messrs. Seward, Jacobs and Fitzwater by Lab Holdings during 1997 less the
    share of such compensation that is properly allocable to Lab Holdings plus
    all amounts paid to such executives by Syntroleum.

(6) Mr. Seward served as the President and Chief Executive Officer of the
    Company from December 1996 through the closing of the Merger in August 1998.

(7) Mr. P. Anthony Jacobs served as the Chairman of the Board of the Company
    from December 1996 through the closing of the Merger in August 1998.

(8) Mr. Steven K. Fitzwater served as the Vice President, Chief Financial
    Officer, Chief Accounting Officer, Secretary and Treasurer of the Company
    from December 1996 through the closing of the Merger in August 1998.

          The following table provides information concerning grants of stock
options made to the named executive officers during 1998.

                                      -51-
<PAGE>
 
                     Option/SAR Grants in Last Fiscal Year
<TABLE>
<CAPTION>
 
                                                                                        
                                             Individual                           
                                                Grants                                          Potential Realizable
                  -------------------------------------------------------------------------       Value at Assumed             
                              %  of Total                                                          Annual Rates of
                   Number of    Options                                                               Stock Price
                   Securities Granted to          Exercise                                           Appreciation
                   Underlying Employees           or Base                                           Option Term (2)
                     Options      in               Price           Expiration                      -----------------   
      Name          Granted   Fiscal Year       ($/Share)(1)           Date                     5%($)               10%($)     
      ----          -------   ----------        ------------           ----                    -----                ------
<S>               <C>        <C>               <C>                  <C>                      <C>                  <C> 
Kenneth L. Agee      32,247      6.82              20.28             2/09/08                 314,628              888,360

James R. Seward         953       .20              18.87             1/02/08                  11,309               28,660

Mark A. Agee         25,798      5.46              18.44             2/09/08                 299,174              758,167

Eric Grimshaw        19,348      4.09              18.44             2/09/08                 224,375              568,610

Randall M. Thompson  32,247      6.82              18.44             2/09/08                 373,962              947,694

Larry J. Weick       25,798      5.46              18.44             2/09/08                 299,174              758,167

P. Anthony Jacobs       953       .20              18.87             1/02/08                  11,309               28,660

Steven W. Fitzwater      --       --                  --                  --                      --                   --

- ---------------
</TABLE>

(1) The exercise price of the options granted is equal to the market value of
    the common stock on the date of grant, except in the case of Kenneth L. Agee
    where the exercise price of the options granted to Mr. Agee is equal to 110%
    of the market value of the common stock on the date of the grant.

(2) Potential realizable value of each grant assumes that the market prices of
    the underlying security appreciates at annualized rates of 5% and 10% over
    the term of the award.  Actual gains, if any, on stock option exercises are
    dependent on the future performance of the common stock and overall market
    conditions.  There can be no assurance that the amounts reflected on this
    table will be achieved.

          The following table provides information concerning each stock option
exercised during 1998 by each of the named executive officers and the value of
unexercised options held by such officers at the end of 1998.

                                      -52-
<PAGE>
 
                Aggregated Option Exercises in Last Fiscal Year
                            and FY-end Option Values
<TABLE>
<CAPTION>
                                                                                                               Value of
                                                                                 Number of Securities        Unexercised
                                                                                Underlying Unexercised       In-the-Money
                                                                                      Options at              Options at
                                                                                   Fiscal Year-End      Fiscal Year-End ($)(2)
                                                                                ----------------------  ----------------------
                         Shares      Value
                       Acquired on   Realized       
Name                   Exercise (#)    ($)(1)       Exercisable  Unexercisable       Exercisable            Unexercisable
- ---------------------  -----------   -----------    -----------  -------------  ----------------------  ----------------------
<S>                    <C>            <C>            <C>          <C>            <C>                      <C> 
Kenneth L. Agee                 --          --               --         32,247              --                      --

James R. Seward(3)          97,500   2,857,559           27,732        195,953         149,576                 584,278

Mark A. Agee                    --          --               --         25,798              --                      --

Eric Grimshaw                   --          --           23,648         40,846              --                      --

Randall M. Thompson             --          --           25,798         77,393          11,299                  19,773

Larry J. Weick                  --          --           25,798         25,798          11,299                      --

P. Anthony Jacobs           97,500   2,857,559           27,732        195,953         149,576                 584,278

Steven K. Fitzwater         60,750   1,780,479               --        121,500              --                 364,050

- ---------------
</TABLE>

(1) Value realized is calculated based on the difference between the option
    exercise price and the closing market price of the common stock on the date
    of exercise, multiplied by the number of shares underlying the options.

(2) Based on the closing price of the common stock of $6.188 on December 31,
    1998, the last trading day of 1998.

Compensation Committee Interlocks and Insider Participation

          Prior to the Merger, the compensation committee consisted of Lan C.
Bentsen, Michael E. Herman and David W. Kemper, all of whom were non-employee
directors of Syntroleum.  Upon consummation of the Merger, the compensation
committee consisted of Messrs. Albe, Jacobs, Rosene and Seward, all of whom are
non-employee directors of Syntroleum.

          James R. Seward, prior to serving on the compensation committee, was
the President and Chief Executive Officer of the Company.  P. Anthony Jacobs,
prior to serving on the compensation committee, was the Chairman of the Board
and a director of the Company.  Mr. Jacobs is also the President, Chief
Executive Officer and a director of Lab Holdings.  In addition,  Lan C. Bentsen,
who was a member of the compensation committee prior to the Merger, is a
director of Lab Holdings.  Steven K. Fitzwater, who prior to the Merger was a
director of the Company and the Company's Vice President, Chief Accounting and
Financial Officer, Treasurer and Secretary, is also a director, Vice President,
Chief Accounting and Financial Officer and Secretary of Lab Holdings.  W. T.
Grant II, who  prior to the Merger was a director of the Company, is also the
Chairman of the Board, President and Chief Executive Officer of LabOne, Inc., a
principal business unit of Lab Holdings.

          As a result of the Merger, James R. Seward received 154,788 shares of
common stock and options to purchase 28,685 shares of common stock in exchange
for his shares of Old Syntroleum common stock and options and P. Anthony Jacobs
received 121,573 shares of common stock and options to purchase 28,685 shares of
common stock in exchange for his shares of Old Syntroleum common stock and
options.  As a result of the Merger, each of

                                      -53-
<PAGE>
 
Messrs. Seward, Jacobs and Fitzwater terminated their employment with Syntroleum
and were each paid an amount equal to their base compensation under their
respective employment agreements through March 3, 2000. The base compensation
payable under the employment agreements for each of Messrs. Seward, Jacobs and
Fitzwater in 1998 was $75,000, $75,000 and $60,000, respectively. In addition,
options held by Messrs. Seward (195,000 shares), Jacobs (195,000 shares),
Fitzwater (121,500 shares) and Kemper (48,600 shares) were adjusted so that the
Merger did not cause the options to be immediately exercisable and the options
will generally be exercisable until the earlier of one year after death of the
optionee or August 7, 2003, except that options held by each of Messrs. Seward
and Jacobs will remain exercisable until the earlier of August 7, 2003 or 90
days after he ceases to be a director of Syntroleum, provided that in no event
will such options be exercisable after March 3, 2007.

Executive Employment Agreements

          Syntroleum has entered into employment agreements with each of its
executive officers.  The annual base salaries for Messrs. Kenneth L. Agee, Mark
A. Agee, Randall M. Thompson, Larry J. Weick and Eric Grimshaw are currently
approximately $225,000, $200,000, $170,000, $170,000 and $140,000, respectively.
Each employment agreement also entitles the employee to participate in employee
benefit plans that Syntroleum may from time to time offer to its employees.

          Each agreement provides for an initial term of 12 months and is
automatically renewed for successive terms of 12 months unless sooner
terminated.  Under each agreement, employment may be terminated as follows:

     .    by Syntroleum upon the employee's death, disability or retirement;
     .    by Syntroleum upon the dissolution and liquidation of Syntroleum
          (unless the business of Syntroleum is thereafter continued);
     .    by Syntroleum for just cause;
     .    by the mutual agreement of the employee and Syntroleum; and
     .    by either Syntroleum or the employee upon 60 days' written notice.

If employment is terminated by Syntroleum for any reason other than as noted in
the first three items above, the employee is entitled to receive his monthly
salary for a period of one or two years, as applicable, following the date of
termination.  In addition, if there is a change in control of Syntroleum and:

     .    Syntroleum terminates the employee's employment for any reason other
          than the employee's death, disability, retirement or just cause during
          the one-year period immediately following the change of control;
     .    the employee terminates his employment for good reason; or
     .    during the 60-day period immediately following the lapse of one year
          after any change of control, Syntroleum or the employee terminates the
          employee's employment for any reason;

then, in lieu of any further payments for periods subsequent to the date of
termination, Syntroleum or its successor will pay the employee an amount equal
to one or two times, as applicable, such employee's full base salary in effect
on the date of termination payable in equal monthly installments for a period of
12 or 24 months, as applicable.

          Pursuant to each agreement, the employee is prohibited from disclosing
to third parties, directly or indirectly, trade secrets of Syntroleum, either
during or after the employee's employment with Syntroleum, other than as
required in the performance of the employee's duties.  The agreement also
provides that the employee will not have or claim any right, title or interest
in any trademark, service mark or trade name owned or used by Syntroleum.  The
employee also agrees to irrevocably assign to Syntroleum all of the employee's
right, title and interest in and to any and all inventions and works of
authorship made, generated or conceived by the employee during his or her period
of employment with Syntroleum and which related to Syntroleum's business or
which were not developed on the employee's own time.  Each employee further
agrees that during the period of employment with Syntroleum and for a period of
two years following the termination of employment, the employee will not

                                      -54-
<PAGE>
 
engage in certain activities related to Syntroleum's business, including a
covenant not to compete.

Executive Employment Agreements with Former Executive Officers

          Each of James R. Seward, P. Anthony Jacobs and Steven K. Fitzwater was
a party to an employment agreement with Syntroleum prior to the Merger.  Each of
these employment agreements provided for an employment period which commenced on
June 1, 1997 and was to end on March 3, 2000.  The base compensation payable
under the employment agreements for each of James R. Seward, P. Anthony Jacobs
and Steven K. Fitzwater in 1998 was $75,000, $75,000 and $60,000, respectively.
The employment agreements provided that the employee's full time was not
required and that the employee was entitled to pursue other employment or
business opportunities simultaneously with his duties to Syntroleum.  As of the
effective time of the Merger, each of Messrs. Seward, Jacobs and Fitzwater
tendered their resignation as employees of Syntroleum, which was deemed to
effect a termination of the employment agreements not for cause, so that each is
entitled to receive payments of their base compensation for the remainder of the
term of each of the contracts, all of which expire on March 3, 2000.

Item 12.  Security Ownership of Certain Beneficial Owners and Management

          The following table sets forth the number of shares of Syntroleum's
common stock beneficially owned as of March 31, 1999, by (1) each director and
nominee for director, (2) each of the executive officers named in the Summary
Compensation Table under "Item 11.  Executive Compensation," (3) all directors
and executive officers as a group and (4) all persons known by Syntroleum to be
the beneficial owners of at least 5% of the outstanding common stock.

                                                   Percentage
                                                         Class
Name (1)(2)                               Shares   --------------
- ----------

Kenneth L. Agee(3)..................... 4,925,188           18.3%

Mark A. Agee(4)........................ 1,451,754            5.4%

Steven K. Fitzwater....................   143,495              *

Eric Grimshaw..........................    40,847              *

Randall M. Thompson....................   116,328              *

Larry Weick(5).........................   302,278            1.1%

Alvin R. Albe, Jr......................   118,237              *

Frank M. Bumstead......................    75,365              *

P. Anthony Jacobs(6)...................   427,316            1.6%

Robert Rosene, Jr.(7)..................   175,418              *

James R. Seward(8).....................   432,202            1.6%

J. Edward Sheridan.....................    29,863              *

All directors and executive officers
as a group (16 persons)................ 8,406,300           30.6%

Robert A. Day(9)                        3,239,261           12.0%

William D. Grant(10)................... 1,615,807            6.0%

- ---------------

*  Represents ownership of less than 1%.

(1)  Except as otherwise noted and subject to applicable community property
     laws, each stockholder has sole voting and investment power with respect to
     the shares beneficially owned. The business address of each

                                      -55-
<PAGE>
 
     director and executive officer is c/o Syntroleum Corporation, 1350 South
     Boulder, Suite 1100, Tulsa, Oklahoma 74119-3295.

 (2) Shares of common stock subject to options that are exercisable within 60
     days of the date of this Proxy Statement are deemed outstanding for
     purposes of computing the percentage ownership of such person, but are not
     deemed outstanding for purposes of computing the percentage ownership of
     any other person. Accordingly, the following shares of common stock subject
     to stock options are included in the table: Kenneth L. Agee -10,749; Mark
     A. Agee - 8,600; Steven K. Fitzwater - 60,750; Eric Grimshaw -40,847;
     Randall M. Thompson - 55,896; Larry Weick - 34,398; Alvin R. Albe, Jr. -
     28,685; Frank J. Bumstead - 28,685; P. Anthony Jacobs - 126,185; Robert
     Rosene, Jr. - 28,685; James R. Seward - 126,185; J. Edward Sheridan-
     28,685; and all directors and executive officers as a group - 569,198.

 (3) Includes 58,044 shares of common stock owned by Mr. Kenneth L. Agee's
     children and excludes 16,500 shares of common stock owned by the Kenneth L.
     Agree and Cindy A. Agree Charitable Remainder Unitrust of which Kenneth L.
     Agee, his spouse, his children and a religious organization are
     beneficiaries, as to which Mr. Kenneth L. Agee disclaims beneficial
     ownership.

 (4) Includes 58,144 shares of common stock owned by Mr. Mark A. Agee's
     children, as to which Mr. Mark A. Agee disclaims beneficial ownership.

 (5) Includes 4,200 shares of common stock held by Mr. Weick as custodian for
     his daughter, as to which he disclaims beneficial ownership.

 (6) Includes 1,500 shares of common stock held by Mr. Jacobs' wife, as to which
     he disclaims beneficial ownership.

 (7) Includes 4,641 shares of common stock owned by trusts the beneficiaries of
     which are Mr. Rosene's children, as to which Mr. Rosene disclaims
     beneficial ownership.

 (8) Includes 2,250 shares of common stock held in a family trust for which Mr.
     Seward serves as a co-trustee with his mother (and in that capacity shares
     voting and investment powers).

 (9) Based on the Schedule 13D filed by Mr. Robert A. Day on August 17, 1998.
     The business address of Mr. Day is Trust Company of the West, 865 South
     Figueroa, Suite 1800, Los Angeles, California 90017.

(10) Based on the Amendment No. 1 to Schedule 13G filed by Mr. William D. Grant
     on February 11, 1999.  The business address of Mr. Grant is One Ward
     Parkway, Suite 130, Kansas City, Missouri 64112.
                                        
Item 13.  Certain Relationships and Related Party Transactions

          On August 6, 1998, the stockholders of Syntroleum and Old Syntroleum
approved and adopted the Agreement and Plan of Merger dated as of March 30, 1998
by and between Syntroleum and Old Syntroleum (the "Merger Agreement") and the
transactions contemplated by the Merger Agreement.  Pursuant to the Merger
Agreement, on August 7, 1998 (1) Old Syntroleum merged with and into Syntroleum,
with Syntroleum being the surviving corporation, (2) Syntroleum changed its name
to "Syntroleum Corporation," (3) the officers of Syntroleum were replaced by the
officers of Old Syntroleum, (4) six of the eight directors of Syntroleum were
replaced by Old Syntroleum directors, (5) each outstanding share of common stock
of Old Syntroleum was converted into the right to receive 1.28990 shares of
Syntroleum common stock, and (6) Syntroleum's Articles of Incorporation were
amended to increase the number of authorized shares of Syntroleum's common stock
from 30,000,000 shares to 150,000,000 shares and the number of authorized shares
of Syntroleum's preferred stock from 1,000,000 shares to 5,000,000 shares.  The
transactions relating to the Merger are more fully described in the Joint Proxy
Statement/Prospectus filed with the Securities and Exchange Commission on July
6, 1998.  The Joint Proxy

                                      -56-
<PAGE>
 
Statement/Prospectus constitutes a part of Syntroleum's Registration Statement
on Form S-4 (Registration No. 333-50253).

          As a result of the Merger, an aggregate of approximately 16,825,000
shares (which represent approximately 62.5% of the total of 26,900,052 shares of
common stock outstanding following the Merger) were issued to the former
stockholders of Old Syntroleum.  Management of Syntroleum currently beneficially
owns an aggregate of 8,406,300 shares of common stock (which represents
approximately 30.6% of the outstanding shares of common stock).  Of this amount,
4,925,188 shares (18.3%) of common stock are beneficially owned by Kenneth L.
Agee (Chief Executive Officer and Chairman of the Board of Syntroleum),
1,451,754 shares (5.4%) of common stock are beneficially owned by Mark A. Agee
(President and Chief Operating Officer of Syntroleum), and an aggregate of
2,029,358 shares (6.9%) of common stock are beneficially owned by other members
of Syntroleum's management. In addition, 3,239,261 shares (12.0%) of common
stock are beneficially owned by Robert A. Day and 1,615,807 shares (6.0%) of
common stock are beneficially owned by William D. Grant, both of whom are long-
time stockholders of Old Syntroleum.

          In connection with the Merger, the directors and officers of
Syntroleum received the following in exchange for their shares of Old Syntroleum
common stock and options to purchase such shares.  In addition, the terms of
stock options held by Messrs. Seward, Jacobs and Fitzwater were adjusted and
each of them became entitled to severance payments in connection with the
merger.  See "Compensation Committee Interlocks and Insider Participation."
<TABLE>
<CAPTION>

                                                                      Options to
                                                                    Purchase Shares
                                            Shares of Syntroleum     of Syntroleum
           Name                                 Common Stock         Common Stock
          ----                                  -------------       ---------------
<S>                                         <C>                     <C>
Kenneth L. Agee(1)...........................    5,013,839                   32,247
Mark A. Agee(2)..............................    1,442,106                   25,798
Charles A. Bayens............................           --                   64,494
Carla S. Covey...............................           --                   12,899
Eric Grimshaw................................           --                   64,494
Paul Schubert................................           --                       --
Peter V. Snyder, Jr..........................      257,980                       --
Michael Stewart..............................           --                   51,596
Randall M. Thompson..........................       27,732                  103,191
Larry Weick..................................      257,980                   51,596
Alvin R. Albe, Jr............................       70,944                   28,685
Frank M. Bumstead............................       45,290                   28,685
P. Anthony Jacobs............................      121,573                   28,685
Robert Rosene, Jr.(3)........................      145,433                   28,685
James R. Seward..............................      154,788                   28,685
J. Edward Sheridan...........................           --                   28,685
- --------------
</TABLE>

(1)  Includes 58,044 shares of common stock received by Kenneth L. Agee's
     children, as to which Mr. Agee disclaims beneficial ownership.

(2)  Includes 58,044 shares of common stock received by Mark A. Agee's children,
     as to which Mr. Agee disclaims beneficial ownership.

(3)  Includes 4,641 shares of common stock received by trusts, the beneficiaries
     of which are Mr. Rosene's

                                      -57-
<PAGE>
 
children and as to which Mr. Rosene disclaims beneficial ownership.

          In connection with the Merger, the Rights Agreement by and between
Syntroleum and American Stock Transfer & Trust Company dated as of January 31,
1997, was amended so that neither Kenneth L. Agee, nor Mark A. Agee, nor members
of their immediate families, nor any of their affiliates or associates,
individually or collectively, would be deemed to be "Acquiring Persons" as that
term is defined in the Rights Agreement.

          Pursuant to the Merger Agreement, Kenneth L. Agee, Mark A. Agee, Alvin
R. Albe, Jr., Frank M. Bumstead, Robert Rosene, Jr. and J. Edward Sheridan were
appointed as six of the eight directors of Syntroleum (James R. Seward,
Syntroleum's former President and former Chief Executive Officer, and P. Anthony
Jacobs, Syntroleum's former Chairman of the Board, who were directors of both
companies prior to the Merger, have remained as directors of Syntroleum).  In
addition, the officers of Old Syntroleum replaced the officers of Syntroleum. As
a result of the foregoing, management of Syntroleum or the former stockholders
of Old Syntroleum (to the extent they act together) could be deemed to
effectively control Syntroleum.

          In February 1994, Mr. Mark A. Agee, President and Chief Operating
Officer of Syntroleum, purchased 750,000 shares of Old Syntroleum common stock
for a purchase price of $0.50 per share, which was paid by delivery of a
promissory note in the amount of the aggregate purchase price.  In June 1995,
Messrs. Mark A. Agree, Larry J. Weick, Vice President of Licensing and Business
Development of Syntroleum and Peter V. Snyder, Jr., Vice President of Product
Sales of Syntroleum, purchased 250,000, 200,000, and 200,000 shares of Old
Syntroleum common stock, respectively, for a purchase price of $0.50 per share,
in each case paid by delivery of promissory notes in the amount of each of the
respective aggregate purchase prices.  In September 1997, Old Syntroleum loaned
Messrs. Agee, Weick and Snyder $594,856, $117,174 and $117,174, respectively,
the proceeds of which were used to repay their respective previously outstanding
notes.  The currently outstanding notes bear interest at the rate of 6.1% per
year and mature in May 2004.  The largest aggregate amount outstanding at any
time during 1998 pursuant to each of such notes was $637,559, $125,586 and
$125,586 by Messrs. Agee, Weick and Snyder, respectively. As of April 9, 1999,
each of Messrs. Agee, Weick and Snyder owed pursuant to such promissory notes
approximately $650,392, $128,114 and $128,114, respectively.  To secure their
respective notes, Messrs. Agee, Weick and Snyder have each pledged to Syntroleum
shares of Syntroleum common stock with a market value equal to two times the
indebtedness under their respective notes.
 

                                    PART IV

Item 14.  Exhibits, Financial Statement Schedules, and Reports on Form 8-K

          (a)(1)  Financial Statements

 Consolidated Financial Statements for the Three Years Ended December 31, 1998:
<TABLE>
<CAPTION>
<S>                                                                                            <C> 
Report of Independent Public Accountants.....................................................  F-1
Consolidated Balance Sheets as of December 31, 1998 and 1997.................................  F-2
Consolidated Statements of Operations for the Three Years Ended December 31, 1998............  F-3
Consolidated Statements of Stockholders' Equity for the Three Years Ended December 31, 1998..  F-4
Consolidated Statements of Cash Flows for the Three Years Ended December 31, 1998............  F-5
Notes to Consolidated Financial Statements...................................................  F-6
</TABLE>
          (a)(2) Financial Statement Schedules

          All schedules and other statements for which provision is made in the
applicable regulations of the Securities and Exchange Commission have been
omitted because they are not required under the relevant instructions or are
inapplicable.

                                      -58-
<PAGE>
 
          (a)(3)  Exhibits

          Exhibits.  The following exhibits are filed as part of this Annual
          Report on Form 10-K:

           Exhibit
           No.  Description of Exhibit
           ---  ----------------------

          *2.1  Distribution Agreement dated December 20, 1996 between Seafield
                Capital Corporation and SLH (incorporated by reference to
                Exhibit 2(a) to Form 10/A of the Company dated February 3,
                1997).

          *2.2  Agreement and Plan of Merger dated as of March 30, 1998 by and
                between SLH and Syntroleum (incorporated by reference to
                Appendix A to the Joint Proxy Statement/Prospectus filed with
                the Securities and Exchange Commission on July 6, 1998).

          *2.3  Blanket Assignment, Bill of Sale, Deed and Assumption Agreement
                dated February 28, 1997 between Seafield Capital Corporation and
                SLH (incorporated by reference to Exhibit 2(b) to the Company's
                Annual Report on Form 10-K for the year ended December 31,
                1996).

          *3.1  Articles of Incorporation of the Company (incorporated by
                reference to Exhibit 3(a) to the Form 10 of the Company filed
                with the Securities and Exchange Commission on December 24,
                1996).

          *3.2  Certificate of Designations of Series A Junior Participating
                Preferred Stock of SLH Corporation, dated February 19, 1997,
                together with Statement of Increase, dated June 1, 1998
                (incorporated by reference to Exhibit 4.3 to the Company's
                Registration Statement on Form S-4 (Registration No.  333-
                50253)).

          *3.3  Certificate of Merger filed on August 7, 1998 (incorporated by
                reference to Exhibit 4.2 to the Company's Current Report on Form
                8-K dated August 7, 1998).

          *3.4  Bylaws of the Company (incorporated by reference to Exhibit 3(b)
                to the Form 10 of the Company filed with the Securities and
                Exchange Commission on December 24, 1996).

          *4.1  Rights Agreement dated as of January 31, 1997 (incorporated by
                reference to Exhibit 4 to the Form 10/A of the Company filed
                with the Securities and Exchange Commission on December 24,
                1996).

          *4.2  Amendment to Rights Agreement dated as of March 30, 1998
                (incorporated by reference to Exhibit 4.2 to the Company's
                Registration Statement on Form S-4 (Registration No.
                333-50253)).

          *4.3  Second Amendment to Rights Agreement dated as of August 7, 1998
                (incorporated by reference to Exhibit 4.6 to the Company's
                Current Report on Form 8-K dated August 7, 1998).

               The Company is a party to debt instruments under which the total
               amount of securities authorized does not exceed 10% of the total
               assets of the Company and its subsidiaries on a consolidated
               basis.  Pursuant to paragraph 4(iii)(A) of Item 601(b) of
               Regulation S-K, the Company agrees to furnish a copy of such
               instruments to the Commission upon request.

                                      -59-
<PAGE>
 
          *10.1  Form of Master License Agreement of Syntroleum (incorporated by
                 referenced to Exhibit 10.9 to the Company's Registration
                 Statement on Form S-4 (Registration No.  333-50253)).

          *10.2  Form of Indemnification Agreement between Syntroleum and each
                 of its directors (incorporated by reference to Exhibit 10.10 to
                 the Company's Registration Statement on Form S-4 (Registration
                 No.  333-50253)).

          *10.3  1993 Stock Option and Incentive Plan of Syntroleum
                 (incorporated by reference to Appendix E to the Joint Proxy
                 Statement/Prospectus filed by the Company with the Securities
                 and Exchange Commission on July 6, 1998).

          *10.4  Stock Option Plan for Outside Directors of Syntroleum
                 (incorporated by reference to Appendix F to the Joint Proxy
                 Statement/Prospectus filed by the Company with the Securities
                 and Exchange Commission on July 6, 1998).

          *10.5  First Amended and Restated Operating Agreement of
                 Syntroleum/Sweetwater Company, L.L.C. dated January 12, 1998 by
                 and among Syntroleum, SLH and such other persons who may be
                 admitted as members of Syntroleum/Sweetwater Company, L.L.C. as
                 provided therein (incorporated by referenced to Exhibit 10.13
                 to the Company's Registration Statement on Form S-4
                 (Registration No. 333-50253)).

          *10.6  Purchase Agreement dated January 12, 1998 by and between
                 Syntroleum and Enron Capital & Trade Resources Corp.
                 (incorporated by referenced to Exhibit 10.14 to the Company's
                 Registration Statement on Form S-4 (Registration No.
                 333-50253))

          *10.7  Amended and Restated Employment Agreement between Syntroleum
                 and Kenneth L. Agee (incorporated by referenced to Exhibit
                 10.15 to the Company's Registration Statement on Form S-4
                 (Registration No. 333-50253)).

          *10.8  Amended and Restated Employment Agreement between Syntroleum
                 and Mark A. Agee (incorporated by referenced to Exhibit 10.16
                 to the Company's Registration Statement on Form S-4
                 (Registration No. 333-50253)).

          *10.9  Amended and Restated Employment Agreement between Syntroleum
                 and Charles A. Bayens (incorporated by referenced to Exhibit
                 10.17 to the Company's Registration Statement on Form S-4
                 (Registration No.  333-50253))

          *10.10 Amended and Restated Employment Agreement between Syntroleum
                 and Eric Grimshaw (incorporated by referenced to Exhibit 10.18
                 to the Company's Registration Statement on Form S-4
                 (Registration No. 333-50253)).

          *10.11 Amended and Restated Employment Agreement between Syntroleum
                 and Peter V. Snyder, Jr. (incorporated by referenced to Exhibit
                 10.19 to the Company's Registration Statement on Form S-4
                 (Registration No.  333-50253)).

          *10.12 Amended and Restated Employment Agreement between Syntroleum
                 and Randall M.  Thompson (incorporated by referenced to Exhibit
                 10.20 to the Company's Registration Statement on Form S-4
                 (Registration No.  333-50253)).

                                      -60-
<PAGE>
 
          *10.13 Amended and Restated Employment Agreement between Syntroleum
                 and Larry Weick (incorporated by referenced to Exhibit 10.21 to
                 the Company's Registration Statement on Form S-4 (Registration
                 No.  333-50253)).

          *10.14 Master Preferred License Agreement dated September 25, 1996
                 between Syntroleum and Texaco Natural Gas, Inc. (incorporated
                 by referenced to Exhibit 10.22 to the Company's Registration
                 Statement on Form S-4 (Registration No. 333-50253)).

          *10.15 Master Preferred License Agreement dated March 7, 1997 between
                 Syntroleum and Marathon Oil Company (incorporated by referenced
                 to Exhibit 10.23 to the Company's Registration Statement on
                 Form S-4 (Registration No. 333-50253)).

          *10.16 Master Preferred License Agreement dated April 10, 1997
                 between Syntroleum and Atlantic Richfield Company (incorporated
                 by referenced to Exhibit 10.24 to the Company's Registration
                 Statement on Form S-4 (Registration No.  333-50253)).

          *10.17 Volume License Agreement dated August 1, 1997 between
                 Syntroleum and YPF International, Ltd.  (incorporated by
                 referenced to Exhibit 10.25 to the Company's Registration
                 Statement on Form S-4 (Registration No.  333-50253)).

          *10.18 Volume License Agreement dated February 4, 1998 between
                 Syntroleum and Kerr-McGee Corporation (incorporated by
                 referenced to Exhibit 10.26 to the Company's Registration
                 Statement on Form S-4 (Registration No. 333-50253)).

          *10.19 Volume License Agreement dated January 12, 1998 between
                 Syntroleum and Enron Capital & Trade Resources Corp.
                 (incorporated by referenced to Exhibit 10.27 to the Company's
                 Registration Statement on Form S-4 (Registration No. 
                 333-50253)).

          *10.20 Site License Agreement dated January 12, 1998 between
                 Syntroleum and Syntroleum/Sweetwater Company, L.L.C.
                 (incorporated by referenced to Exhibit 10.28 to the Company's
                 Registration Statement on Form S-4 (Registration No. 
                 333-50253)).

          *10.21 Facilities Sharing and Interim Services Agreement dated
                 February 28, 1996 between Seafield Capital Corporation and SLH
                 (incorporated by reference to Exhibit 10(a) to the Company's
                 Annual Report on Form 10-K for the year ended December 31,
                 1996).

          *10.22 Lab Holdings, Inc. Facilities Sharing and Interim Services
                 Agreement dated June 1, 1998 between SLH and Syntroleum
                 (incorporated by reference to Exhibit 10.29 to the Company's
                 Registration Statement on Form S-4 (Registration No.
                 333-50253)).

          *10.23 Tax Sharing Agreement dated February 28, 1996 between Seafield
                 Capital Corporation and SLH (incorporated by reference to
                 Exhibit 10(b) to the Company's Annual Report on Form 10-K for
                 the year ended December 31, 1996).

          *10.24 SLH Corporation 1997 Stock Incentive Plan (incorporated by
                 reference to Exhibit 10(c) to Amendment No. 1 to the Company's
                 Annual Report on Form 10/A of the Company for the year ended
                 December 31, 1997).

          *10.25 Form of Employment Agreements with certain executive officers
                 of SLH (incorporated by reference to Exhibit B to Exhibit 2(a)
                 to Form 10/A of the Company dated February 3, 1997).

                                      -61-
<PAGE>
 
          *10.26 Form of Option Agreement with certain executive officers under
                 the SLH Corporation 1997 Stock Incentive Plan (incorporated by
                 reference to Exhibit 10(e) to Amendment No. 1 to the Company's
                 Annual Report on Form 10K/A for the year ended December 31,
                 1997).

          *10.27 Form of Option Agreement with directors under the SLH
                 Corporation 1997 Stock Incentive Plan (incorporated by
                 reference to Exhibit 10(f) to Amendment No. 1 to the Company's
                 Annual Report on Form 10K/A for the year ended December 31,
                 1997).

          *10.28 Form of Consent to Adjustment to Option Agreements called for
                 by Section 2.1(c) of the Agreement and Plan of Merger dated as
                 of March 30, 1998 by and between SLH and Syntroleum
                 (incorporated by reference to Exhibit 10.8 to the Company's
                 Registration Statement on Form S-4 (Registration No.
                 333-50253)).

          *10.29 Certified copy of resolutions approving a certain bonus
                 arrangement for James R. Seward (incorporated by reference to
                 Exhibit 10(g) to Amendment No. 1 to the Company's Annual Report
                 on Form 10K/A for the year ended December 31, 1997).

          +10.30 Employment Agreement between Syntroleum and Paul F. Schubert
                 dated May 15, 1999.

          +10.31 Employment Agreement between Syntroleum and Carla S. Covey
                 dated March 22, 1999.

          +10.32 Employment Agreement between Syntroleum and Michael L. Stewart
                 dated March 22, 1999.

          21     Subsidiaries

                 Scout Development Corporation (a Missouri Corporation) Scout
                 Development Corporation of New Mexico (a Missouri Corporation)
                 BMA Resources, Inc. (a Missouri Corporation)
                 529 Partners, Ltd. (a Texas limited partnership)
                 Lot Development, Inc. (a Texas Corporation)
                 Carousel Apartment Homes, Inc. (a Georgia Corporation)
                 Syntroleum/Sweetwater Company, L.L.C. (a Delaware limited
                 liability company)

          +23    Consent of Independent public accountants.

          +27    Financial Data Schedule and Restated Financial Data Schedules.

____________________

*  Incorporated by reference as indicated.
+  Previously filed.

          (b) Reports on Form 8-K

          No Current Reports on Form 8-K were filed during the last quarter of
the period covered by this Annual Report on Form 10-K.

                                      -62-
<PAGE>
 
                                   SIGNATURES

          Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                    SYNTROLEUM CORPORATION


Dated: April 28, 1999               By:    /s/ Mark A. Agee
                                           ----------------------
                                           Mark A. Agee
                                           President and Chief Operating Officer
 

                                      -63-
<PAGE>
 
                   REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS




To the Board of Directors and Stockholders
  of Syntroleum Corporation:


We have audited the accompanying consolidated balance sheets of Syntroleum 
Corporation (a Kansas corporation) as of December 31, 1998 and 1997, and the 
related consolidated statements of operations, stockholders' equity and cash 
flows for each of the three years in the period ended December 31, 1998.  These 
financial statements are the responsibility of the Company's management.  Our 
responsibility is to express an opinion on these financial statements based on 
our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in 
all material respects, the financial position of Syntroleum Corporation as of 
December 31, 1998 and 1997, and the results of its operations and its cash flows
for each of the three years in the period ended December 31, 1998, in conformity
with generally accepted accounting principles.



                                            ARTHUR ANDERSEN LLP

Tulsa, Oklahoma
 January 15, 1999




                                      F-1
<PAGE>
 
                    SYNTROLEUM CORPORATION AND SUBSIDIARIES
                          CONSOLIDATED BALANCE SHEETS
                (in thousands, except share and per share data)
<TABLE> 
<CAPTION> 

                                                                                         December 31,
                                                                            -------------------------------------
                                                                                 1998                  1997
                                                                            ---------------        --------------
<S>                                                                         <C>                    <C> 
                                              ASSETS
CURRENT ASSETS:
     Cash and cash equivalents...........................................   $        34,981        $       10,158
     Short-term investments..............................................             3,135                     -
     Accounts and notes receivable.......................................               860                   448
     Other current assets................................................               498                    16
                                                                            ---------------        --------------
          Total current assets...........................................            39,474                10,622

REAL ESTATE HELD FOR SALE................................................             3,122                     -
REAL ESTATE UNDER DEVELOPMENT............................................             2,722                     -
INVESTMENTS..............................................................             1,180                     -
PROPERTY AND EQUIPMENT, net..............................................             3,210                 1,245
OTHER ASSETS, net........................................................               692                   224
                                                                            ---------------        --------------
                                                                            $        50,400        $       12,091
                                                                            ===============        ==============

                               LIABILITIES AND STOCKHOLDERS' EQUITY

CURRENT LIABILITIES:
     Accounts payable....................................................   $         1,365        $          677
     Accrued liabilities.................................................               633                    99
                                                                            ---------------        --------------
          Total current liabilities......................................             1,998                   776
                                                                            ---------------        --------------

OTHER NONCURRENT LIABILITIES.............................................               103                    60
MINORITY INTERESTS.......................................................             1,337                 1,497
DEFERRED REVENUE.........................................................            11,000                11,000
                                                                            ---------------        --------------
          Total liabilities..............................................            14,438                13,333
                                                                            ---------------        --------------

STOCKHOLDERS' EQUITY:
     Preferred stock, $0.01 par value, 5,000,000 shares authorized,
         no shares issued................................................                 -                     -
     Common stock, $0.01 par value, 150,000,000 shares authorized,
         34,574,957 and 24,502,231 shares issued in 1998 and 1997,
         respectively, including shares in treasury......................               346                   245
     Additional paid-in capital..........................................            62,908                14,028
     Notes receivable from sale of common stock..........................              (699)                 (699)
     Retained earnings...................................................           (26,516)              (14,805)
                                                                            ---------------        --------------
                                                                                     36,039                (1,231)
 Less-treasury stock, 7,674,905 and 1,934 shares in
        1998 and 1997, respectively......................................               (77)                  (11)
                                                                            ---------------        --------------

          Total stockholders' equity.....................................            35,962                (1,242)
                                                                            ---------------        --------------
                                                                            $        50,400        $       12,091
                                                                            ===============        ==============

                         The accompanying notes are an integral part of these consolidated balance sheets.
</TABLE>

                                     F-2
 
<PAGE>
 
                    SYNTROLEUM CORPORATION AND SUBSIDIARIES
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                (in thousands, except share and per share data)


<TABLE> 
<CAPTION> 
                                                                       For the Years Ended December 31,
                                                               -------------------------------------------------
                                                                   1998              1997             1996
                                                               --------------   ---------------   --------------
<S>                                                            <C>              <C>               <C>  
REVENUES:
     Real estate sales.....................................    $     $,2,416    $            -    $           -
     Joint development revenue.............................            1,779             2,006              616
     Other.................................................              284                 1                -
                                                               --------------   ---------------   --------------
          Total revenues...................................            4,479             2,007              616
                                                               --------------   ---------------   --------------
COSTS AND EXPENSES:
     Cost of real estate sold..............................            2,387                 -                -
     Real estate operating expense.........................              267                 -                -
     Pilot plant, engineering and research and development.            4,434             2,944            1,120
     Catalyst services.....................................                -             4,800                -
     General and administrative............................           10,410             4,228            1,421
                                                               --------------   ---------------   --------------

INCOME (LOSS) FROM OPERATIONS..............................          (13,019)           (9,965)          (1,925)

INVESTMENT AND INTEREST INCOME.............................            1,159               372               83
INTEREST EXPENSE...........................................                -               (22)             (95)
OTHER INCOME...............................................              118                 -                -
                                                               --------------   ---------------   --------------

INCOME (LOSS) BEFORE MINORITY INTERESTS....................          (11,742)           (9,615)          (1,937)

MINORITY INTERESTS.........................................               31                 3                -
                                                               --------------   ---------------   --------------

NET INCOME (LOSS)..........................................    $     (11,711)   $       (9,612)   $      (1,937)
                                                               ==============   ===============   ==============

NET INCOME (LOSS) PER SHARE -
    Basic and diluted......................................    $       (0.46)   $        (0.40)   $       (0.08)
                                                               ==============   ===============   ==============
WEIGHTED AVERAGE COMMON SHARES
    OUTSTANDING............................................        25,466,737   $    23,953,347   $   23,207,216
                                                               ==============   ===============   ==============
</TABLE> 


 The accompanying notes are an integral part of these consolidated statements.





                                      F-3

<PAGE>
 
                    SYNTROLEUM CORPORATION AND SUBSIDIARIES
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
                                (in thousands)

<TABLE> 
<CAPTION> 


                                                Common Stock                         Notes
                                          ------------------------   Additional     Receivable                           Total
                                              Number                  Paid-in      From Sale of  Accumulated Treasury Stockholders'
                                            of Shares     Amount      Capital      Common Stock    Deficit     Stock     Equity
                                          ------------- ---------- ------------   -------------    -------     ----- -------------
<S>                                        <C>           <C>          <C>            <C>          <C>          <C>    <C> 
BALANCE, January 1, 1996..................      22,713      $ 228      $ 3,930         $ (700)    $ (3,256)    $ -         $ 202
     SALE OF COMMON STOCK.................         906          9        1,991              -            -       -         2,000
     NET INCOME (LOSS)....................           -          -            -              -       (1,937)      -        (1,937)
                                          ------------- ---------- ------------ --------------    --------- ------- -------------
BALANCE, December 31, 1996................      23,619        237        5,921           (700)      (5,193)      -           265
     CONVERSION OF DEBENTURE..............         120          1        1,116              -            -       -         1,117
     SALE AND ISSUANCE OF STOCK...........         759          7        6,957              -            -       -         6,964
     STOCK ISSUED FOR SERVICES............           4          -           34              -            -       -            34
     PURCHASE OF 1,934 SHARES.............                                                                            
       OF TREASURY STOCK..................           -          -            -              -            -     (11)          (11)
     PAYMENT ON NOTES RECEIVABLE..........           -          -            -              1            -       -             1
     NET INCOME (LOSS)....................           -          -            -              -       (9,612)      -        (9,612)
                                          ------------- ---------- ------------ --------------    --------- ------- -------------
BALANCE, December 31, 1997................      24,502        245       14,028           (699)     (14,805)    (11)       (1,242)
     RETIREMENT OF TREASURY STOCK.........          (2)         -          (11)             -            -      11             -
     MERGER WITH SLH CORPORATION..........      10,075        101       48,891              -            -     (77)       48,915
     NET INCOME (LOSS)....................           -          -            -              -      (11,711)      -       (11,711)
                                          ------------- ---------- ------------ --------------   ---------- ------- -------------
BALANCE, December 31, 1998................      34,575      $ 346     $ 62,908         $ (699)   $ (26,516)  $ (77)     $ 35,962
                                          ============= ========== ============ ==============   ========== ======= =============
</TABLE> 

 The accompanying notes are an integral part of these consolidated statements.


                                      F-4
<PAGE>
 
                    SYNTROLEUM CORPORATION AND SUBSIDIARIES
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                (in thousands)
<TABLE> 
<CAPTION> 

                                                                                 For the Years Ended December 31,
                                                                        ----------------------------------------------------
                                                                             1998               1997               1996
                                                                        -------------      --------------     --------------
<S>                                                                     <C>                <C>                <C> 
CASH FLOWS FROM OPERATING ACTIVITIES:
   Net Income (loss)...............................................     $     (11,711)     $       (9,612)    $       (1,937)
   Adjustments to reconcile net income (loss)
      to net cash provided by (used in) operations:
      Stock issued for services....................................                 -                  34                  -
      Stock issued for catalyst services...........................                 -               4,800                  -
      Interest on conversion of debenture..........................                 -                  22                  -
      Minority interest in loss of subsidiary......................               (31)                 (3)                 -
      Depreciation and amortization................................               306                  76                 19
      Writedown of property and equipment..........................                 -                 414                199
      Equity in earnings of affiliates.............................                (8)                  -                  -
      Changes in real estate held for sale and under development...             1,545                   -                  -
      Changes in assets and liabilities--
           Accounts receivable.....................................               466                (429)                 -
           Prepaids and other......................................              (147)                (29)                (2)
           Other assets............................................              (215)                (85)               (42)
           Accounts payable........................................               348                 485                 14
           Accrued liabilities and other...........................            (2,665)                 75                 90
           Deferred revenue........................................                 -              11,000                  -
                                                                        -------------      --------------      -------------
              Net cash provided by (used in) operating activities..           (12,112)              6,748             (1,659)
                                                                        -------------      --------------      --------------

CASH FLOWS FROM INVESTING ACTIVITIES:
   Purchase of property and equipment..............................            (2,173)             (1,114)              (214)
   Maturity of SLH investments held to maturity....................            37,415                   -                  -
                                                                        -------------      --------------     --------------
             Net cash provided by (used in) investing activities...            35,242              (1,114)              (214)
                                                                        -------------      --------------     --------------

CASH FLOWS FROM FINANCING ACTIVITIES:
   Cash received in merger with SLH Corporation....................               713                   -                  -
   Payments under capital lease....................................               (20)                (12)                 -
   Minority interest investment in subsidiary......................             1,000               1,500                  -
   Proceeds from issuance of convertible debenture.................                 -                   -              1,000
   Proceeds from sale of common stock..............................                 -               2,164              1,500
   Proceeds from notes receivable..................................                 -                   1                  -
   Treasury stock purchased........................................                 -                 (11)                 -
                                                                        -------------      --------------     --------------
            Net cash provided by (used in) financing activities....             1,693               3,642              2,500
                                                                        -------------      --------------     --------------

NET INCREASE IN CASH...............................................            24,823               9,276                627
CASH AND CASH EQUIVALENTS, beginning of period.....................            10,158                 882                255
                                                                        -------------      --------------     --------------
CASH AND CASH EQUIVALENTS, end of period...........................     $      34,981      $       10,158     $          882
                                                                        =============      ==============     ==============
</TABLE> 


 The accompanying notes are an integral part of these consolidated statements.

                                      F-5

<PAGE>
 
                            SYNTROLEUM CORPORATION
                  NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                               December 31, 1998


1.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES:

Basis of Reporting

     Syntroleum Corporation (the "Company" or "Syntroleum"), formerly named SLH
Corporation ("SLH"), was incorporated in Kansas in December 1996. The Company's
primary operations to date have consisted of the research and development of a
proprietary process (the "Syntroleum Process") designed to convert natural gas
into synthetic liquid hydrocarbons. Synthetic crude oil produced by the
Syntroleum Process can be further processed into liquid fuels such as diesel,
kerosene and naphtha, or specialty products such as synthetic lubricants,
synthetic drilling fluid, waxes, liquid normal paraffins and certain chemical
feedstocks.

     The Company's current focus is to further demonstrate the commercial
viability of its proprietary technology.  The Company has sold license
agreements to six oil companies and, in connection with its joint development
efforts with certain of its licensees, operates a pilot plant in Tulsa, Oklahoma
that has demonstrated certain elements and variations of the Syntroleum Process.
The Company, through its majority-owned subsidiary, Syntroleum/Sweetwater
Company, LLC, is developing a commercial-scale specialty products plant.

     On August 7, 1998, Syntroleum Corporation, an Oklahoma corporation ("Old
Syntroleum"), merged with SLH.  In the merger, each outstanding share of Old
Syntroleum common stock was converted into 1.2899 shares of SLH common stock.
Accordingly, 24,500,236 shares of common stock of SLH were issued to the former
holders of Old Syntroleum common stock.   After the merger, SLH's name was
changed to Syntroleum Corporation, and SLH management and six of the eight SLH
directors were replaced with Old Syntroleum management and directors.

     The merger was accounted for as a reverse acquisition using the purchase
method of accounting.  Although SLH is the surviving corporation in the merger
for legal purposes, Old Syntroleum is the acquirer for accounting purposes.
Under reverse acquisition accounting, the value of the transaction is determined
based on the value of the accounting acquirer's shares issued, which in this
situation was impracticable due to Old Syntroleum's status as a private company
and the absence of a trading market for its shares.  Accordingly, the fair value
of SLH's net tangible assets has been used to determine the value of the
transaction.  For this purpose, the value of SLH's investment in Old Syntroleum
was determined by calculating the implied value of the Old Syntroleum common
stock held by SLH, which was determined based upon the market capitalization of
the outstanding shares of SLH common stock minus the fair value of SLH's non-Old
Syntroleum assets divided by the 5,950,000 shares of Old Syntroleum common stock
held by SLH.  This method of calculating the implied value of the Old Syntroleum
common stock is consistent with the method used in determining the merger
exchange ratio of 1.2899 discussed above.

     For purposes of preparing its consolidated financial statements, the
Company established a new accounting basis for SLH's assets and liabilities
using their fair market values, based upon the consideration paid in the merger
and Old Syntroleum's costs of the merger.  Although Old Syntroleum's equity
accounts survive the merger, SLH's common stock survives.  Accordingly, Old
Syntroleum's common stock with a par value of $.001 has been restated to reflect
SLH's par value of $.01 and to reflect the effect of the exchange ratio of
1.2899.  The purchase allocations in relation to the merger are final except for
the collection of a judgment in a pending lawsuit, which occurred during the
first quarter of 1999.  The monies received in satisfaction of the judgment will
be recorded as additional paid-in capital during the first quarter of 1999 (See
Note 15).

      The results of operations of SLH have been included in the results of
Syntroleum since completion of the merger on August 7, 1998.   Unaudited pro
forma results of operations for the twelve months ended December 31, 1998 and
1997, as though the merger had occurred on January 1, 1997, are presented below.
The proforma results of operations are not necessarily indicative of the actual
operating results had the transaction been consummated at the beginning of the
period presented below or of future operating results of the combined
operations:


                                                      December 31,
                                         --------------------------------------
                                              1998                   1997
                                         ----------------       ---------------
                                         (in thousands except per share amounts)



Revenues...............................    $      12,028         $      19,350
Net income (loss)......................           (7,771)                 (519)
Basic and diluted
  earnings (loss) per share............    $       (0.31)        $       (0.02)

                                      F-6
<PAGE>
 
Consolidation

     The consolidated financial statements include the accounts of the Company
and its majority-owned subsidiaries.  These subsidiaries include BMA Resources,
Inc., Scout Development Corporation, Scout Development Corporation of New
Mexico, Lot Development, Inc., Carousel Apartment Homes, Inc., 529 Partners,
Ltd. and Syntroleum/Sweetwater Company, LLC.  All subsidiaries except
Syntroleum/Sweetwater Company, LLC were acquired through the merger with SLH.
All significant inter-company accounts and transactions have been eliminated.
Investments in affiliated companies of 20 to 50% in which Syntroleum does not
have a controlling interest are accounted for by the equity method.  Investments
in affiliated companies of one to 20% are accounted for by the cost method.

Revenue Recognition

     The Company recognizes revenues from joint development activities as the
related expenses are incurred because the contracts provide that revenue is
earned as the expenses under the contract are incurred. Substantially all of the
joint development revenues for the years ended December 31, 1998, 1997 and 1996
have been from joint development activities with a single major oil company (see
Note 13).  All joint development activities during the years ended 1998, 1997
and 1996 were pursuant to joint research and development agreements where the
Company expenses its research and development costs as incurred.

     The Company recognizes revenue on the sale of license agreements by
recording 50% of the license fee deposit as revenue when:  (1) the license
agreement has been formally executed, (2) the license fee deposit has been paid
in cash and (3) the Company has delivered to the licensee the process design
package for the licensee's initial licensed plant.  Since 50% of the license fee
deposit is subject to the Company's indemnity obligation with respect to the
performance guarantee on the related plant, the remaining license fee deposit is
recorded as deferred revenue in the consolidated balance sheets and will be
recognized as revenue in the consolidated statements of operations after the
related plant has passed certain performance tests.  Option fees, which provide
licensees the right to include additional geographic areas in its license
agreement territory, are deferred until the earlier of the option being
exercised or lapsing.  As of December 31, 1998, the Company has deferred all
amounts received related to license and option agreements.

Cash and Cash Equivalents

     Cash and cash equivalents consist of cash and highly liquid investments
with an original maturity of three months or less.

Real Estate

     Real estate sales are recognized when consummated.  Profit is recognized
using the full accrual method when the down payment, continuing investment, and
transfer of risk criteria have been satisfied.  Payments received from buyers
prior to recording of a sale are recorded as deposits.  Real estate rentals and
other revenues are accrued in the period when earned.

     Real estate is valued at lower of cost, including development costs, or
market.  Development costs that are incurred during the period of development or
construction are capitalized.  Capitalized costs are charged to operations as
properties are sold. There was no real estate under development sold during
1998, 1997 or 1996.

     During 1998, the Company sold three properties for a total of $1,560,000
and undeveloped land for $856,000. These assets were acquired in the merger with
SLH.

Short -Term Investments

     Short-term investments consist of U.S. Treasury securities and debt
obligations of U.S. Government agencies with original maturities between three
and twelve months.  Management determines the appropriate classification of
these securities at the time of purchase and re-evaluates such designation as of
each balance sheet date.  At December 31, 1998 and 1997, the Company's
investment portfolio consisted of debt  securities classified as held-to-
maturity and are presented at amortized cost.

Research and Development

     The Company incurs significant costs for research, development and
engineering programs. Such costs are charged to expense when incurred. Prior to
1997, substantially all costs were considered research and development costs.

                                      F-7
<PAGE>
 
Income Taxes

     Income taxes are accounted for using the asset and liability method of
accounting for income taxes.  Under this method, deferred tax assets and
liabilities are determined based on differences between financial reporting and
tax bases of assets and liabilities and of net operating loss carryforwards.
Deferred tax assets and liabilities are measured using the enacted tax rates and
laws in effect or that will be in effect when the differences are expected to
reverse.

Impairment of Long-Lived Assets

     The Company follows the provisions of SFAS No. 121 "Accounting for the
Impairment of Long-Lived Assets and for Long-Lived Assets to be Disposed of."
The Company makes assessments of impairment on a project-by-project basis.  No
impairment provisions were required in 1998, 1997 or 1996.

Earnings Per Share

     The Company applies the provisions of  SFAS No. 128, "Earnings Per Share."
Basic and diluted earnings (losses) per common share were computed by dividing
net income (loss) by the weighted average number of shares of common stock
outstanding during the reporting period. Options to purchase 2,131,839 shares of
common stock at an average exercise price of $7.44 were not included in the
computation of diluted earnings per share as inclusion of such options would be
anti-dilutive.  All share and per share amounts presented in the financial
statements reflect the adjustment for the merger ratio of 1.2899.

Reclassifications

     Certain reclassifications have been made to the prior years' financial
statements to conform with the 1998 presentation.  Such reclassifications did
not impact net income (loss).

Use of Estimates

     The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.

New Accounting Pronouncements

     In June 1998, the Financial Accounting Standards Board issued SFAS No. 133,
"Accounting for Derivative Instruments and Hedging Activities."   SFAS No. 133
establishes accounting and reporting standards requiring that every derivative
instrument (including certain derivative instruments embedded in other
contracts) be recorded in the balance sheet as either an asset or liability
measured at its fair value. SFAS No. 133 requires that changes in the
derivative's fair value be recognized currently in earnings unless specific
hedge accounting criteria are met. Special accounting for qualifying hedges
allows a derivative's gains and losses to offset related results on the hedged
item in the income statement. Companies must formally document, designate, and
assess the effectiveness of transactions that receive hedge accounting. SFAS No.
133 is effective for fiscal years beginning after June 15, 1999.  As of December
31, 1998, the Company had no outstanding derivative instruments.

2.  INVESTMENTS:

     The Company has a 4.34% interest in a partnership renovating a hotel in
Tulsa, Oklahoma having a carrying value of $100,000.  The Company also owns a
3.61% investment in a privately held venture capital limited partnership having
a carrying value of  $507,000; and a preferred stock interest in Norian
Corporation, a privately owned developer of proprietary bone substitute
technology, which had a carrying value of $750,000.

                                      F-8
<PAGE>
 
     The Company has a 49.9% interest in a partnership that owns a shopping
center having a carrying value of ($177,000).  The Company has guaranteed debt
(with an unpaid balance of  $6,005,000 at December 31, 1998) of the shopping
center partnership.  Since the Company has guaranteed this debt, the investment
is carried below zero to reflect the Company's pro rata share of the
partnership's deficit.  The Company's obligation is secured by a  $3.1 million
U.S. Treasury note.  Summary financial information of the shopping center
partnership is shown below:


                                                       December 31,
                                                           1998
                                                        ------------ 
                                                       (in thousands)
Results of Operations
     Revenue........................................   $         798
     Gross profit...................................             446
     Net earnings (loss)............................              71

                                                       December 31,
                                                           1998
                                                       -------------
                                                       (in thousands)
Financial Position
    Current assets.................................    $       1,193
    Real estate....................................            4,343
    Other assets...................................              189
                                                       ------------- 
                                                       $       5,725
                                                       ============= 

    Short-term borrowing...........................    $         175
    Current liabilities............................               77
    Long-term borrowings...........................            5,830
                                                       ------------- 
                                                               6,082

    Partnership deficit............................             (357)
                                                       -------------
                                                       $       5,725
                                                       =============

3.  PROPERTY AND EQUIPMENT:

     Property and equipment is stated at cost.  When assets are sold or retired,
the cost and accumulated depreciation related to those assets are removed from
the accounts and any gain or loss is credited or charged to income.
Depreciation of property and equipment is computed on the straight-line method
over estimated useful lives of five to seven years.  Property and equipment
consists of the following:


                                                           December 31,
                                                       -------------------
                                                         1998       1997
                                                       --------    -------   
                                                          (in thousands)
     
Furniture and office equipment.......................  $ 1,919     $   955
Property.............................................      807           -
Land.................................................      118           -
Leasehold improvements...............................      288         214
Construction in progress.............................      523         223
                                                      --------     -------     
                                                         3,655       1,392
Less--accumulated depreciation.......................      445         147
                                                      --------     -------
                                                       $ 3,210     $ 1,245
                                                       =======     =======

                                      F-9
<PAGE>
 
4.  NOTES RECEIVABLE FROM SALE OF COMMON STOCK:

     Notes receivable from the sale of common stock consists of  notes
receivable from officers for the purchase of common stock in the Company.  The
notes bear interest at the rate of 6.10%, mature in May 2004 and are secured by
stock pledge agreements.

5.  ACCRUED LIABILITES:
    The components of accrued liabilities are as follows:

                                            December 31,
                                    -----------------------------
                                        1998            1997
                                    --------------  -------------
                                            (in thousands)

    Accrued warranty ............   $         135   $          -
    Accrued vacation ............             161             50
    Accrued rent ................             120             23
    Other .......................             217             26
                                    -------------   ------------
                                    $         633   $         99
                                    =============   ============


6.  INCOME TAXES:

     The Company has federal income tax net operating loss (NOL) carryforwards
of approximately $39 million at December 31, 1998.  In connection with the
merger with SLH, the Company obtained NOL's of approximately $17.6 million and
capital loss carryforwards of approximately $4.6 million.  These carryforwards
generally begin to expire in 2004.

     The Company recognizes the tax benefit of NOL carryforwards as assets to
the extent that management concludes that the realization of the NOL
carryforwards is "more likely than not." Realization of the future tax benefits
is dependent on the Company's ability to generate taxable income within the
carryforward period.  The Company's management has concluded that, based solely
on the criteria of SFAS No. 109 "Accounting for Income Taxes" and the historical
results of the Company, a valuation allowance should be provided for the entire
balance of the net deferred asset.

     The Company has not recorded an income tax provision or benefit for the
years ended December 31, 1998, 1997 or 1996, respectively.  This differs from
the amount of income tax benefit that would result from applying the 34%
statutory federal income tax rate to the pretax loss due to the increase in the
valuation allowance in each period.  The valuation allowance increased by
approximately $13,177,000, $3,609,000 and $759,000 for the years ended December
31, 1998, 1997 and 1996, respectively.

     Deferred taxes arise primarily from NOL carryforwards and the recognition
of revenues and expenses in different periods for financial and tax purposes.
Deferred taxes consist of the following:


                                                                 December 31,
                                                             ------------------
                                                             1998        1997
                                                             -------    -------
                                                              (in thousands)
Deferred tax assets:
    NOL carryforwards  .................................     $14,895    $ 3,800
    Capital loss carryforwards .........................       1,759          -
    Deferred revenue ....................................      1,710      1,710
    Other    ............................................        682        100
                                                             -------    -------
                                                              19,046      5,610
                                                             -------    -------
Deferred tax liabilities:
    Depreciation ......................................        (268)         -
    Other..............................................         (17)       (26)
                                                             -------    -------
    Net deferred tax asset before valuation allowance .       18,761      5,584
    Valuation allowance ...............................      (18,761)    (5,584)
                                                           =========    =======
                Net deferred tax ......................    $       -    $     _
                                                           ---------    -------

                                      F-10
<PAGE>
 
7.  SUPPLEMENTAL CASH FLOW INFORMATION:

     During 1997, a convertible debenture was converted into 120,036 shares of
the Company's common stock (see Note 8) which was accounted for as a noncash
financing activity.  Also during 1997, the Company issued 515,960 shares of its
common stock to a catalyst manufacturer which was accounted for as a noncash
operating activity.

     During 1998, the merger with SLH was accounted for as a non-cash investing
activity.   In conjunction with the merger with SLH, the following assets were
acquired and liabilities assumed:



     Cash................................................  $     713
     Short-term investments .............................     40,550
     Real estate held for sale
          and under development .........................      7,387
     Other assets........................................      2,719
     Liabilities assumed ................................     (2,454)
                                                           ---------
       Equity issued.....................................  $  48,915
                                                           =========


8.  CONVERTIBLE DEBENTURE:

     During 1996, the Company entered into an agreement with an oil company
whereby the oil company purchased a 9.5% convertible debenture from the Company
in the original principal amount of $1 million.  During 1997, the oil company
converted the principal of the debenture together with accrued interest in the
amount of $116,708 into 120,036 shares of the Company's common stock,
representing a conversion price of $9.30 per share.

9.  LEASE COMMITMENTS:

     The Company has entered into various, noncancellable leases for office
space, equipment, land and buildings that expire over the next several years.
Total future minimum lease payments under these agreements as of December 31,
1998 are as follows:


               Year                 Amount
           ------------        ----------------
                               (in thousands)
              1999                 $ 1,173
              2000                     947
              2001                     809
              2002                     709
              2003                     302
         Thereafter                  5,631


 

                                      F-11
<PAGE>
 
10.  FAIR VALUE OF FINANCIAL INSTRUMENTS:

     The estimated fair values of the Company's financial instruments at
December 31 are summarized as follows:
<TABLE> 
<CAPTION> 
                                                          1998                                  1997
                                            ----------------------------------    ----------------------------------
                                               Carrying          Estimated           Carrying          Estimated
                                                Amount           Fair Value           Amount           Fair Value
                                            ---------------    ---------------    ---------------    ---------------
<S>                                         <C>                <C>                <C>                <C> 
                                                                         (in thousands)

Cash and cash equivalents........................ $ 34,981           $ 34,981           $ 10,158           $ 10,158
Short-term investments...........................    3,135              3,135                  -                  -
Accounts and notes receivable....................      860                860                448                448
Investments......................................    1,180              1,180                  -                  -
Notes receivable from sale of
     common stock.................................     699                699                699                699
</TABLE> 



     The fair value of the short-term investments and accounts receivable
approximates cost because of the short-term maturity of these financial
instruments.  The estimated fair value of the notes receivable were calculated
by discounting scheduled cash flows using estimated market discount rates. The
investments were acquired in the merger and at the time of the merger were
valued at market.  No significant changes in the estimated fair value have
occurred since the merger.

11.  CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS:

     At December 31, 1998 and 1997, all marketable debt securities were
classified as held-to-maturity and carried at amortized cost.  During 1998, 1997
and 1996 no securities classed as held-to-maturity were transferred out of held-
to-maturity.  Investments consisted of the following at December 31:


                                                Cash              Short-Term
                                            Equivalents          Investments
                                           -------------        -------------
                                                    (in thousands)
1998
U.S. Government Securities.................  $ 28,319              $ 3,135

1997
U.S. Government Securities.................  $ 9,739               $     -


12.  STOCK OPTIONS:

    The Company maintains stock option and incentive plans for employees and
directors and has reserved 4,591,186 shares of common stock for issuance under
the employee and director plans, including one percent of the outstanding shares
of common stock of the Company as of January 1 of each year (245,002 as of
December 31, 1998) for the director plan. Under the terms of the plans,
incentive stock options may be issued with an exercise price of not less than
100% of fair market value at the date of grant. All other options may be issued
at an exercise price of not less than 75% of the fair market value at the date
of grant. Options granted vest at a rate determined by the Compensation
Committee of the Company's Board of Directors and are exercisable for varying
periods, not to exceed ten years. At December 31, 1998, 1,873,747 shares were
available for granting future options.

                                      F-12
<PAGE>
 
     The number and exercise price of stock options granted are as follows:
<TABLE> 
<CAPTION> 

                                                          Shares             Weighted
                                                           Under           Average Price
                                                          Option             Per Share
                                                        ---------          -------------
<S>                                                     <C>                <C> 
OUTSTANDING AT JANUARY 1, 1996                            454,690          $     0.36
     Granted ....................................          12,899                5.75
                                                        ---------          ----------

OUTSTANDING AT DECEMBER 31, 1996                          467,589                0.50
     Granted.....................................         535,954                9.13
     Exercised ..................................         (27,733)               5.75
     Expired ....................................        (274,104)               0.33
                                                        ---------          ----------

OUTSTANDING AT DECEMBER 31, 1997                          701,706                6.95
    SLH options from merger .....................         974,400                3.19
    Fractional share payout .....................             (19)               6.94
    Granted at market price .....................         445,430               16.70
    Granted at price exceeding market ...........          32,247               20.28
    Expired .....................................         (21,925)              10.42
                                                        ---------          ----------

OUTSTANDING AT DECEMBER 31, 1998.................       2,131,839          $     7.44
                                                        =========          ==========
</TABLE> 


     The following is a summary of stock options outstanding as of December 31,
1998:
<TABLE> 
<CAPTION> 

                       Options Outstanding                                             Options Exercisable
- --------------------------------------------------------------------------        ------------------------------
                                                           Weighted                                 Weighted
                                         Weighted           Average                                  Average
     Range of            Options          Average           Remaining               Options       Exercise Price
  Exercise Price       Outstanding     Exercise Price    Contractual Life         Exercisable       Per Share
- -------------------   --------------   ---------------   -----------------        ------------    --------------
<S>                   <C>              <C>               <C>                       <C>            <C>  
   $0.39 -   $0.39          180,586            $ 0.39          6.45                   180,586            $ 0.39
   $3.19 -   $3.19          974,400              3.19          4.60                   194,400              3.19
   $5.75 -   $9.30          450,159              8.23          8.33                   236,911              7.59
   $9.38 -  $18.44          457,130             16.59          9.33                    12,900             16.89
  $18.85 -  $20.88           69,564             19.89          9.06                     4,300             20.88
                         ----------            ------                               ---------            ------
                          2,131,839            $ 7.44                                 629,097            $ 4.45
                         ==========            ======                               =========            ======
</TABLE> 

                                      F-13
<PAGE>
 
     The Company applies the disclosure-only provisions of SFAS No. 123,
"Accounting from Stock-Based Compensation."  Accordingly, no compensation cost
has been recognized for the stock option plans.  However, pursuant to the
requirements of SFAS No. 123, the following disclosures are presented to reflect
the Company's pro forma net income (loss) for the three years ended December 31,
1998 as if the fair value method of accounting prescribed by SFAS No. 123 had
been used.  Had compensation cost for the Company's stock option plan been
determined consistent with the provisions of SFAS No. 123, the Company's net
income (loss) and income (loss) per share would have increased to the pro forma
amounts indicated below:

<TABLE> 
<CAPTION> 
                                                          December 31,
                                           --------------------------------------------
                                             1998             1997            1996
                                           ------------  --------------- -------------- 
                                              (in thousands except per share data)
<S>                                        <C>               <C>             <C> 
NET INCOME (LOSS):
     As reported.........................  $    (11,711)     $   (9,612)     $   (1,937)
     Pro forma...........................  $    (14,175)     $  (10,261)     $   (1,955)
BASIC AND DILUTED INCOME
     (LOSS) PER SHARE:
           As reported...................  $      (0.46)     $    (0.40)     $    (0.08)
           Pro forma.....................  $      (0.56)     $    (0.43)     $    (0.08)
</TABLE> 

 
     Because the SFAS No. 123 method of accounting has not been applied to
options granted prior to January 1, 1995, the resulting pro forma compensation
cost may not be representative of that to be expected in future years.

     The weighted average per share fair value of stock options granted during
1998 was $10.60 on the date of the grant using the Black Scholes option-pricing
model with the following weighted average assumptions:  expected dividend yield
of zero percent, risk-free interest rate of 4.77% to 6.83%, expected volatility
factor of zero percent prior to the merger and 124% after the merger, and an
expected life of 5 to 10 years.

     Subsequent to December 31, 1998, the Company granted options to purchase
550,552 shares of common stock to employees at an average exercise price of
$6.90.


13.  SIGNIFICANT CUSTOMERS:

     Substantially all of the Company's joint development revenue for the three
years ended December 31, 1998 were from a single major oil company for testing
conducted in the Company's pilot plant.  The pilot plant testing was completed
under this agreement in December 1998. In addition, the Company has signed
master license agreements with three oil companies since 1996.  The Company has
also signed volume license agreements with three other oil companies. The
license agreements allow the oil companies to use the Syntroleum Process in
their production of synthetic crude oil and fuels primarily outside of North
America.  Syntroleum received an aggregate of $9 million and rights to certain
technologies in connection with these license agreements.  The Company also
received from a licensee a separate nonrefundable payment of $2 million for
options to add certain geographic areas not covered by the applicable license
agreement.  The amounts received under license agreements and the amounts
received for options have been recorded as deferred revenue at December 31, 1998
and 1997.
 
     Under these license agreements, a licensee obtains the right to use the
Syntroleum Process and to acquire catalysts from the Company, secures pricing
terms for future site licenses and obtains rights to future improvements to the
Syntroleum Process.  Generally, the amount of the license fee for site licenses
under the Company's master and volume license agreements is determined pursuant
to a formula based on the discounted present value of the product of (i) the
annual maximum design capacity of the plant,  (ii) an assumed life of the plant,
and (iii) the Company's per barrel rate.  Initial cash deposits under the
Company's license agreement are credited against future site license fees.  (See
Note 1.)

     Through the Company's subsidiary, Syntroleum/Sweetwater Company, LLC, the
Company and a licensee are developing a commercial specialty products plant
using the Syntroleum Process. In addition, the Company conducts a portion of its
research and development activities through joint development agreements with
licensees and other industry partners. The terms of these agreements vary, but
generally provide cost sharing arrangements.

                                      F-14
<PAGE>
 
14.  STOCKHOLDER RIGHTS PLAN

     Each outstanding share of the Company's common stock carries a preferred
stock purchase right originally issued pursuant to a dividend distribution
declared by SLH's Board of Directors in March 1997. The rights entitle the
holder to buy one-sixth of one one-hundredth of a share of junior preferred
stock, with a liquidation preference of $600 per share, at a price of $125 per
one one-hundredth of a share. Generally, the rights become exercisable ten days
after a public announcement that a person or group (an "acquiring person") has
acquired, or made a tender offer that, if completed, would result in that person
or group owning 25% or more of the common stock of the Company. If either of
these events occur, each right will entitle the holder (other than the acquiring
person) to buy the number of shares of the Company's common stock having a
market value equal to two times the exercise price. The exercise price is $125.
The rights may be redeemed by the Company for $.01 per right until a person or
group becomes an acquiring person. The rights expire in January 2007.

15.  EVENTS SUBSEQUENT TO DECEMBER 31, 1998:

     Subsequent to December 31, 1998, the Company received $6.0 million in
satisfaction of a judgment in its favor.  The litigation, originally brought by
Business Men's Assurance Company (BMA) in 1986, alleged negligence and breach of
contract arising out of the design and construction of the BMA office tower in
Kansas City, as a result of marble panels detaching and falling from the
building.  The Missouri Supreme Court ruled in favor of BMA on February 9, 1999.
Rights to the litigation were owned by SLH and were acquired by Syntroleum when
it merged with SLH.  The settlement will be recorded as additional paid-in
capital during 1999.
 

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