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                                                                    EXHIBIT 99.1

                        Safe Harbor Compliance Statement

         In passing the Private Securities Litigation Reform Act of 1995 (the
"Reform Act"), 15 U.S.C.A. Sections 77z-2 and 78u-5 (Supp. 1996), Congress
encouraged public companies to make "forward-looking statements" by creating a
safe harbor to protect companies from securities law liability in connection
with forward-looking statements. Harbinger Corporation ("Harbinger" or the
"Company") intends to qualify both its written and oral forward-looking
statements for protection under the Reform Act and any other similar safe harbor
provisions.

         "Forward-looking statements" are defined by the Reform Act. Generally,
forward-looking statements include expressed expectations of future events and
the assumptions on which the expressed expectations are based. All
forward-looking statements are inherently uncertain as they are based on various
expectations and assumptions concerning future events and they are subject to
numerous known and unknown risks and uncertainties which could cause actual
events or results to differ materially from those projected. Due to those
uncertainties and risks, the investment community is urged not to place undue
reliance on written or oral forward-looking statements of Harbinger. The Company
undertakes no obligation to update or revise this Safe Harbor Compliance
Statement for Forward-Looking Statements (the "Safe Harbor Statement") to
reflect future developments. In addition, Harbinger undertakes no obligation to
update or revise forward-looking statements to reflect changed assumptions, the
occurrence of unanticipated events or changes to future operating results over
time. This Safe Harbor Statement supersedes that certain Safe Harbor Statement
filed as Exhibit 99.1 to the Company's Current Report on Form 10-K for the year
ended December 31, 1997.

         Harbinger provides the following risk factor disclosure in connection
with its continuing effort to qualify its written and oral forward-looking
statements for the safe harbor protection of the Reform Act and any other
similar safe harbor provisions. Important factors currently known to management
that could cause actual results to differ materially from those in
forward-looking statements include the disclosures contained in the Quarterly
Report on Form 10-Q to which this statement is appended as an exhibit and also
include the following:

         Integration of Recent Acquisitions; Future Acquisitions. Harbinger has
completed a number of acquisitions since January 1, 1997, including the
acquisitions of the Materials Management Division of MACTEC, INC., EDIWorks!
L.L.C. , Premenos Technology Corp. ("Premenos"), Atlas Products International,
Limited and its affiliate ("Atlas"), Acquion, Inc. ("Acquion"), SupplyTech, Inc.
and its affiliated entities (collectively, "SupplyTech"), and the minority
interests of Harbinger NET Services, LLC ("HNS"). Premenos, Acquion, SupplyTech
and HNS have historically reported significant operating losses. Harbinger's
acquisitions present a number of risks and challenges, including the historical
operating losses of Premenos, Acquion, SupplyTech and HNS, the integration of
the software products of the acquired companies into Harbinger's current suite
of products, the integration of the sales forces of acquired companies into
Harbinger's existing sales operations, the coordination of customer support
services, the conversion of acquired companies to a uniform infrastructure, the
integration of international operations of acquired companies with Harbinger's
international affiliates, and the diversion of management's attention from other
business concerns. In connection with its prior acquisitions, Harbinger has
experienced the following effects during the periods subsequent to such
acquisitions: integration costs and expenses associated with such acquisition
transactions; refinement of the acquired companies business operations to
conform to Harbinger's mission and strategy, and the discontinuance of the
non-core business operations of the acquired company; and elimination of certain
revenue 

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opportunities as a result of product overlap, channel conflict, or other
competitive overlap. Management of Harbinger currently anticipates that all or
certain of the foregoing factors may impact future operating results of
Harbinger as a result of the consummation of the acquisitions of Mactec MMD,
EDIWorks and Premenos including, but not limited to, growth in revenue and
operating income in future periods. Several of the newly acquired products
address the same markets as, and may therefore be competitive with, or redundant
with, existing Harbinger products. There can be no assurance that Harbinger can
successfully assimilate its operations and integrate its software products with
these recently acquired operations, software products and technologies, that
Harbinger will be successful in repositioning its products on a timely basis to
achieve market acceptance or that the integration efforts associated with recent
acquisitions will not have a material adverse effect upon Harbinger's business
or results of operations in future periods. Any delay in such integration
efforts or adverse developments associated therewith could have a material
adverse effect on Harbinger.

         Harbinger's growth has been significantly enhanced through acquisitions
of other businesses, products and licenses. There can be no assurance that in
the future Harbinger will be able to identify suitable acquisition candidates
available for sale at reasonable prices, consummate any acquisition or
successfully integrate any acquired business into Harbinger's operations.
Operational and software integration problems may arise if Harbinger undertakes
future acquisitions of complementary products, technologies or businesses.
Future acquisitions may also result in potentially dilutive issuances of equity
securities, the incurrence of additional debt, the write-off of in-process
product development and capitalized product costs, integration costs, and the
amortization of expenses related to goodwill and other intangible assets, all of
which could have a material adverse effect on Harbinger. Acquisitions involve
numerous additional risks, including difficulties in the assimilation of the
operations, products and personnel of the acquired company, differing company
cultures, the diversion of management's attention from other business concerns,
risks of entering markets in which Harbinger has little or no direct prior
experience, and the potential loss of key employees of the acquired company.
Customer satisfaction or performance problems at a single acquired firm could
have a material adverse impact on the reputation of Harbinger as a whole.
Although Harbinger has cash resources of approximately $100 million, to the
extent Harbinger desires to finance a future acquisition, there can be no
assurance that Harbinger will be able to secure financing for such a transaction
on reasonable terms or at all. See "Ability to Manage Growth."

         Factors Affecting Operating Results; Potential Fluctuations in
Quarterly Results. Although Harbinger has been able to grow its revenue and
operating income (before special charges) in the past, there can be no assurance
that Harbinger will be able to continue to grow its revenue and operating income
at historical levels in the future or that fluctuations in revenue or operating
income growth will not occur in future periods. Factors currently known to
management that could impact rate of growth in revenue or operating income in
future periods include, but are not limited to, the management time and effort
currently anticipated in connection with the integration of recently acquired
businesses and the implementation of enterprise resource planning systems, the
discontinuance of historical or acquired lines of business or products and a
slow down in the rate of growth of AS/400 EDI sales. In addition, Harbinger's
quarterly operating results have in the past and may in the future vary or
decrease significantly depending on factors such as revenue from software sales,
the timing of new product and service announcements, changes in pricing policies
by Harbinger and its competitors, market acceptance of new and enhanced versions
of Harbinger's products, the size and timing of significant orders, changes in
operating expenses, changes in Harbinger's strategy, personnel changes,
government regulation, the introduction of alternative technologies, the effect
of acquisitions and general economic factors. Harbinger has limited or no
control over many of these factors. The Company is currently upgrading its
enterprise resource planning systems. Management believes that the successful
installation and 


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implementation of these systems are prerequisites to the Company's success. Any
delay in the installation or failure in the implementation of one or more of
these systems could have a material adverse effect on the Company. Harbinger has
experienced losses in the past, and at September 30, 1998, Harbinger had an
accumulated deficit of approximately $81.8 million. Harbinger operates with
virtually no software product order backlog because its software products
typically are shipped shortly after orders are received. As a result, revenues
in any quarter are substantially dependent on the quantity of purchases of
services requested and product orders received in that quarter. Quarterly
revenues also are difficult to forecast because the market for electronic
commerce and EDI software products is rapidly evolving and Harbinger's revenues
in any period may be significantly affected by the announcements and product
offerings of Harbinger's competitors as well as alternative technologies.
Harbinger's IVAS and electronic catalog products are more complex and expensive
compared to Harbinger's other electronic commerce and Internet products
introduced to date, and will generally involve significant investment decisions
by prospective customers. Accordingly, Harbinger expects that in selling its
IVAS and electronic catalog products it will encounter risks typical of
companies that rely on large dollar purchase decisions, including the reluctance
of purchasers to commit to major investments in new products and protracted
sales cycles, both of which add to the difficulty of predicting future revenues
and may result in quarterly fluctuations. Harbinger's expense levels are based,
in part, on its expectations as to future revenues. If revenue levels are below
expectations, Harbinger may be unable or unwilling to reduce expenses
proportionately and operating results are likely to be adversely affected. As a
result, Harbinger believes that period-to-period comparisons of its results of
operations are not necessarily meaningful and should not be relied upon as
indications of future performance. Due to all of the foregoing factors, it is
likely that in some future quarter or quarters Harbinger's operating results
will be below the expectations of public market analysts and investors. In such
event, the price of the Harbinger Common Stock will likely be adversely affected
in a material manner.

         Harbinger recognizes revenues for software license fees upon shipment,
net of estimated returns. Customers using Harbinger's PC products are permitted
to return products after delivery for a specified period, generally 30 days.
Harbinger generally has experienced returns of approximately 10% to 20% of the
PC product license fees, and Harbinger records revenues after a deduction for
estimated returns. Any material increase in Harbinger's return experience could
have an adverse effect on its operating results. See "Integration of Recent
Acquisitions; Future Acquisitions."

         Acquisition-Related and Other Charges; Loss in Quarters Ended March 31,
1998 and September 30, 1998 and Loss Expected in Year Ended December 31, 1998.
In the first and third quarters of 1998, Harbinger reported approximately $13.0
million in integration related charges and $14.0 million in integration and
restructuring related charges, respectively. As a result of these charges,
Harbinger reported a net loss for each of the first and third quarters of 1998
and expects to report a net loss for the year ended December 31, 1998. Certain
of the costs and expenses incurred in connection with these integration
activities and reflected in such charges included internal expense allocations
which may recur in other expense categories in the future and may result in an
increase in some expense categories in Harbinger's results of operations in
future periods.

         Ability to Manage Growth. Harbinger has recently experienced
significant growth in revenue, operations and personnel as it has made strategic
acquisitions, added subscribers to the Harbinger VAN and IVAS and increased the
number of licensees of its software products. This growth could continue to
place a significant strain on Harbinger's management and operations, including
its sales, marketing, customer support, research and development, finance and
administrative operations. Achieving and maintaining profitability during a
period of expansion will depend, among other things, on Harbinger's ability to
successfully expand its products, services and markets and to manage its
operations and 

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acquisitions effectively. Difficulties in managing growth, including
difficulties in obtaining and retaining talented management and product
development personnel, especially following an acquisition, could have a
material adverse effect on Harbinger.

         Ability to Respond to Rapid Change. Harbinger's future success will
depend significantly on its ability to enhance its current products and develop
or acquire and market new products which keep pace with technological
developments and evolving industry standards as well as respond to changes in
customer needs. The market for electronic commerce and EDI products and
services, VAN services and Internet software products and services is
characterized by rapidly changing technology, evolving industry standards and
customer demands, and frequent new product introductions and enhancements. There
can be no assurance that Harbinger will be successful in developing or acquiring
product enhancements or new products to address changing technologies and
customer requirements adequately, that it will introduce such products on a
timely basis, or that any such products or enhancements will be successful in
the marketplace. Harbinger's delay or failure to develop or acquire
technological improvements or to adapt its products to technological change
would have a material adverse effect on Harbinger's business, results of
operations and financial condition. The failure of Harbinger's management team
to respond effectively to and manage rapidly changing technological and business
conditions as well as the growth of its own business, should it occur, could
have a material adverse impact on Harbinger's business, results of operations
and prospects.

         Intense Competition. The electronic commerce, EDI and network services
and products businesses are intensely competitive, and Harbinger has many
competitors with substantially greater financial, marketing, personnel and
technological resources than Harbinger. Other companies offer products and
services that may be considered by customers to be acceptable alternatives to
Harbinger's products and services. Certain companies also operate private
computer networks for transacting business with their trading partners, and
Harbinger expects other companies to offer products and services competitive
with the Templar, Express and IVAS products and services. It is expected that
other companies may develop and implement similar computer-to-computer networks,
some of which may be "public" networks such as Harbinger's and others may be
"private," providing services only to a specific group of trading partners,
thereby reducing Harbinger's ability to increase sales of its network services.
In addition, several companies offer PC-based, midrange NT and UNIX, and
mainframe and Internet computer software products which compete with Harbinger's
software products. Advanced operating systems and applications software from
Microsoft and other vendors also may offer electronic commerce functions that
limit Harbinger's ability to sell its software products. Harbinger believes that
the continuing acceptance of electronic commerce and EDI will attract new
competitors, including software applications, operating systems and systems
integration companies that may bundle electronic commerce solutions with their
offerings, and alternative technologies that may be more sophisticated and cost
effective than Harbinger's products and services. Competitive companies may
offer certain electronic commerce products or services, such as communications
software, network transactional services or consulting, at no charge or a deeply
discounted charge, in order to obtain the sale of other products or services.
Since Harbinger's agreements with its network subscribers generally are
terminable upon 30 days' notice, Harbinger does not have the contractual right
to prevent its customers from changing to a competing network. See "Dependence
on New Products; Industry Standards." Competitors that offer products and/or
services that compete with various of Harbinger's products and services include,
among others, IBM, Inc., AT&T, Computer Associates International, Inc., EDS,
General Electric Information Systems, QRS, Inc., Sterling Commerce, Inc., Aspect
Development, Inc., TSI International, Inc., Ariba Technologies, Inc. and a joint
venture between British Telecommunications Plc and MCI Communications
Corporation; as well as the internal programming staffs of various businesses
engaging in electronic commerce.


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         Emergence of Electronic Commerce Over the Internet. The Internet
provides an alternative means of providing electronic commerce to business
trading partners. The market for Internet software and services is both emerging
and highly competitive, ranging from small companies with limited resources to
large companies with substantially greater financial, technical and marketing
resources than Harbinger. In addition to Harbinger's Internet related products
and services, several existing competitors of Harbinger have introduced their
own Internet electronic commerce products and services. Moreover, new
competitors, which may include telephone companies and media companies, are
likely to increase the provision of business-to-business data transmission
services using the Internet. There is no assurance that the Internet will become
an accepted method of electronic commerce. There is no assurance that
TrustedLink Guardian and Templar end user software and IVAS products, which
enable electronic commerce over the Internet, will be accepted in the Internet
market or can be competitive with other products based on evolving technologies.
If the Internet becomes an accepted method of electronic commerce, Harbinger
could lose network customers from its VAN which would reduce recurring revenue
from network services and have a material adverse effect on Harbinger. Even if
customers choose Harbinger's Internet solutions, the revenue gained from the
sale of these solutions may not offset the loss of revenue from the sale of
Harbinger's traditional EDI solutions.

         The use of Harbinger's Internet electronic commerce products and
services will depend in large part upon the continued development of the
infrastructure for providing Internet access and services. Use of the Internet
for business-to-business electronic commerce services raises numerous issues
that greatly impact the development of this market. These issues include
reliability, data security and data integrity, timely transmission, and pricing
of products and services. Because global commerce and online exchange of
information on the Internet is new and evolving, it is difficult to predict with
any assurance whether the Internet will prove to be a viable commercial
marketplace. The Internet has experienced, and is expected to continue to
experience, substantial growth in the number of users and the amount of traffic.
There can be no assurance that the Internet will continue to be able to support
the demands placed on it by this continued growth. In addition, the Internet
could lose its viability due to delays in the adoption of new standards and
protocols to handle increased levels of Internet activity, or due to increased
governmental regulation or the imposition of fees or taxes for its use. There
can be no assurance that the infrastructure or complementary services necessary
to make the Internet a viable commercial marketplace will be developed, or, if
developed, that the Internet will become a viable commercial marketplace for
products and services such as those offered by Harbinger. If the necessary
infrastructure or complementary services or facilities are not developed, or if
the Internet does not become a viable commercial marketplace, Harbinger's
business, operating results or financial condition will be materially adversely
affected.

         Dependence on New Products; Industry Standards. The electronic commerce
industry is characterized by rapid technological change, frequent new product
and service introductions and evolving industry standards. Harbinger's future
success will depend in significant part on its ability to anticipate industry
standards, to continue to apply advances in electronic commerce product and
service technologies, to enhance existing products and services, and to
introduce and acquire new products and services on a timely basis to keep pace
with technological developments. There can be no assurance that Harbinger will
be successful in developing, acquiring or marketing new or enhanced products or
services that respond to technological change or evolving industry standards,
that Harbinger will not experience difficulties that could delay or prevent the
successful development, acquisition or marketing of such products or services or
that its new or enhanced products and services will adequately meet the
requirements of the marketplace and achieve market acceptance. In the past,
Harbinger has experienced delays in the commencement of commercial shipments of
new products and enhancements, resulting in 

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delays or losses of product revenues. Such delays or failure in the
introduction of new or enhanced products or services, or the failure of such
products or services to achieve market acceptance, could have a material adverse
effect on the business, results of operations and financial condition of
Harbinger.

         Investment in International Subsidiaries; International Growth and
Operations. Harbinger believes that its continued growth and profitability will
require expansion of its international operations through its international
subsidiaries, in the United Kingdom, The Netherlands, Germany, Italy, France and
Mexico (collectively, the "International Subsidiaries"). This expansion will
require financial resources and significant management attention, particularly
by certain members of the management of Harbinger. Harbinger's ability to
successfully expand its business internationally will also depend upon its
ability to attract and retain both talented and qualified managerial, technical
and sales personnel and electronic commerce services customers outside the
United States and its ability to continue to effectively manage its domestic
operations while focusing on international expansion. Certain of the
International Subsidiaries have experienced operating losses in their recent
histories and some have experienced significant operating losses in their recent
histories. To the extent that the International Subsidiaries are unable to
penetrate international markets in a timely and profitable manner, Harbinger's
growth, if any, in international sales will be limited, and Harbinger could be
materially adversely affected.

         During 1998, Harbinger's growth in revenue has been adversely affected
by management issues associated with its European operations, and general
softness in demand in the European markets. Moreover, Harbinger's ability to
successfully implement its international strategy may require installation and
operation of a value-added network and implementation of its IVAS software in
additional countries, as well as additional improvements to its infrastructure
and management information systems, including its international customer support
systems. In addition, there can be no assurance that Harbinger will be able to
maintain or increase international market demand for Harbinger's products or
services.

         International operations are subject to certain inherent risks,
including unexpected changes in regulatory requirements and tariffs, longer
payment cycles, increased difficulties in collecting accounts receivable and
potentially adverse tax consequences. To the extent international sales are
denominated in foreign currencies, gains and losses on the conversion to U.S.
dollars of revenues, operating expenses, accounts receivable and accounts
payable arising from international operations may contribute to fluctuations in
Harbinger's results of operations. Harbinger has not entered into any hedging or
other arrangements for the purpose of guarding against the risk of currency
fluctuation. In addition, sales in Europe and certain other parts of the world
typically are adversely affected in the third calendar quarter of each year
because many customers reduce their business activities in the summer months.

         Dependence on Key Management and Personnel; Ability to Attract and
Retain Qualified Personnel. Harbinger's success is largely dependent upon its
executive officers and key sales and technical personnel, the loss of one or
more of whom could have a material adverse effect on Harbinger. The future
success of Harbinger will depend in large part upon its ability to attract and
retain talented and qualified personnel. In particular, Harbinger believes that
it will be important for Harbinger to hire experienced product development and
sales personnel. Competition in the recruitment of highly-qualified personnel in
the computer software and electronic commerce industries is intense. The
inability of Harbinger to locate and retain such personnel may have a material
adverse effect on Harbinger. No assurance can be given that Harbinger can retain
its key employees or that it can attract qualified personnel in the future.
Harbinger currently carries key-person life insurance policies on the lives of
Messrs. Howle, Leach, Davis and Travers.

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         Year 2000 Readiness; Euro Conversion. It is possible that the Company's
currently installed computer systems, software products or other business
systems, or those of the Company's customers, vendors or resellers, working
either alone or in conjunction with other software or systems, will not accept
input of, store, manipulate and output dates for the years 1999, 2000 or
thereafter without error or interruptions. The latest versions of the Company's
products released or to be released are believed to be Year 2000 ready, but the
Company is still in the process of confirming this. The Company is also in the
process of determining the extent to which its earlier software products as
implemented in the Company's installed customer base are Year 2000 ready, as
well as the impact of any non-readiness on the Company and its customers. The
Company currently anticipates that any problems resulting from non-ready
products will be addressed through a combination of product modifications as
part of planned product enhancements and migration of customers to functionally
similar products which are Year 2000 ready. Additional efforts are being made to
modify or replace other non-ready software, systems and equipment used by the
Company internally, including third party software, before the end of 1999.
Further, the Company is aware of the risk that third parties, including vendors
and customers of the Company, will not adequately address the Year 2000 problem
and the resultant potential adverse impact on the Company. However, there can be
no assurance that the Company will identify all such year 2000 problems in its
computer systems or those of its vendors in advance of their occurrence or that
the Company will be able to successfully remedy any problems that are
discovered. The Company believes that the majority of the compliance effort will
be absorbed with the product and internal systems enhancements planned for 1998
or 1999, and thus that the Year 2000 problem will not have a material adverse
impact on the Company's business, operating results and financial condition,
although there can be no assurance to that effect. Regardless of whether the
Company's products are Year 2000 ready, there can be no assurance that customers
will not assert Year 2000 related claims against the Company. The Company
believes that the purchasing patterns of customers and potential customers will
be affected by Year 2000 issues in a variety of ways. Many companies are
expending significant resources to correct or patch their current software
systems for Year 2000 compliance. These expenditures may result in reduced funds
available to purchase software products such as those offered by the Company.
Potential customers may also choose to defer purchasing Year 2000 ready products
until they believe it is absolutely necessary, thus resulting in potentially
stalled market sales within the industry. Conversely, Year 2000 issues may cause
other companies to accelerate purchases, thereby causing an increase in
short-term demand and a consequent decrease in long-term demand for software
products. Additionally, Year 2000 issues could cause a significant number of
companies, including current Company customers, to reevaluate their current
software needs, and as a result switch to other systems or suppliers. In
addition, failure of the Company to identify and remedy Year 2000 problems could
put the Company at a competitive disadvantage relative to companies that have
corrected such problems. Any of the foregoing, or combination thereof, could
result in a material adverse effect on the Company's business, operating results
and financial condition.

         Effective January 1, 1998, eleven of the 15 member countries of the
European Union are scheduled to adopt a single European currency, the euro, as
their common legal currency. Like many companies that operate in Europe, various
aspects of the Company's business will be affected by the conversion to the
euro. The Company is currently evaluating its products and systems. The failure
to adequately address the euro conversion issues could affect the Company's
ability to offer software and services in the affected countries, as well as its
ability to operate internal systems. While the Company believes that it can
successfully remediate all related issues, there can be no assurance that it
will do so in a timely manner. The failure to do so could have a material
adverse effect on the Company.

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         Dependence on Alliance Partners. Harbinger has various agreements with
alliance partners for the distribution and marketing of certain software
products of Harbinger. These alliance partners pay Harbinger royalties
representing a percentage of fees generated from the sale of software licensed
from Harbinger. For the years ended December 31, 1995 and 1996, revenues from
one of these alliance partners were approximately $1.4 million and $5.7 million,
respectively, which equaled the contractual minimum royalty during those years.
There is no minimum royalty obligation after 1996, and Harbinger has experienced
and believes that revenues from this alliance partner will decline in the
future. Further, based on amendments to the arrangement, Harbinger has
experienced and believes that the average collection period related to cash
flows derived from royalty revenues earned from this alliance partner will
lengthen substantially. In addition, in 1997 Premenos was dependent on a
distribution partner for approximately 6% of revenues, arising principally from
this partner's distribution efforts in Europe and other overseas locations.
There can be no assurance that this partner will continue to distribute Premenos
or Harbinger products in 1998, or that such distribution efforts, if continued,
will achieve the same degree of results.

         Risks of Product Development. Software products as complex as those
offered by Harbinger may contain undetected errors or failures when first
introduced or when new versions are released. If software errors are discovered
after introduction, Harbinger could experience delays or lost revenues during
the period required to correct these errors. There can be no assurance that,
despite testing by Harbinger and by current and potential customers, errors will
not be found in new products or releases after commencement of commercial
shipments, resulting in loss of or delay in market acceptance, additional and
unexpected expenses to fund further product development or to add programming
personnel to complete a development project, and loss of revenue because of the
inability to sell the new product on a timely basis, any one or more of which
could have a material adverse effect on Harbinger.

         Dependence on Data Centers. The network service operations of Harbinger
are dependent upon the ability to protect computer equipment and the information
stored in Harbinger's data centers against damage that may be caused by fire,
power loss, telecommunication or Internet failures, unauthorized intrusion,
computer viruses and disabling devices and other similar events. Notwithstanding
precautions Harbinger has taken, there can be no assurance that a fire or other
natural disaster, including national, regional or local telecommunications
outages, would not result in a prolonged outage of Harbinger's network services.
In the event of a disaster, and depending on the nature of the disaster, it may
take from several hours to several days before Harbinger's off-site computer
system can become operational for all of Harbinger's customers, and use of the
alternative off-site computer would result in substantial additional cost to
Harbinger. In the event that an outage of Harbinger's network extends for more
than several hours, Harbinger will experience a reduction in revenues by reason
of such outage. In the event that such outage extends for one or more days,
Harbinger could potentially lose many of its customers, which may have a
material adverse effect on Harbinger.

         Dependence upon Certain Licenses. Harbinger relies on certain
technology that it licenses from third parties and other products that are
integrated with internally developed software and used in Harbinger's products
to perform key functions or to add important features. There can be no assurance
that Harbinger will be successful in negotiating third-party technology licenses
on suitable terms or that such licenses will not be terminated in the future.
Moreover, any delay or product problems experienced by such third party
suppliers could result in delays in introduction of Harbinger's products and
services until equivalent technology, if available, is identified, licensed and
integrated, which could have a material adverse effect on Harbinger's business,
operating results and financial condition.

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         Limited Protection of Proprietary Technology; Risks of Infringement.
Harbinger relies primarily on a combination of copyright, patent and trademark
laws, trade secrets, confidentiality procedures and contractual provisions to
protect its proprietary rights. Harbinger seeks to protect its software,
documentation and other written materials principally under trade secret and
copyright laws, which afford only limited protection. Harbinger presently has
one patent for an electronic document interchange test facility and a patent
application pending for an EDI communication system. Despite Harbinger's efforts
to protect its proprietary rights, unauthorized parties may attempt to copy
aspects of Harbinger's products or to obtain and use information that Harbinger
regards as proprietary. There can be no assurance that Harbinger's means of
protecting its proprietary rights will be adequate or that Harbinger's
competitors will not independently develop similar technology. In distributing
many of its products, Harbinger relies primarily on "shrink wrap" licenses and
increasingly on "click wrap" licenses that are not signed by licensees and,
therefore, may be unenforceable under the laws of certain jurisdictions. In
addition, Harbinger has licensed it products to users and distributors in other
countries, and the laws of some foreign countries do not protect Harbinger's
proprietary rights to as great an extent as the laws of the United States.
Harbinger does not believe that any of its products infringe the proprietary
rights of third parties. There can be no assurance, however, that third parties
will not claim infringement by Harbinger with respect to current or future
products, and Harbinger has agreed to indemnify many of its customers for the
full cost of such claims. Harbinger expects that software product developers
will increasingly be subject to infringement claims as the number of products
and competitors in electronic commerce grows and the functionality of products
in different industry segments overlaps. Any such claims, with or without merit
could be time-consuming, result in costly litigation, cause product shipment
delays or require Harbinger to enter into royalty or licensing agreements and
indemnify its customers against resulting liability, if any. Such royalty or
licensing agreements, if required, may not be available on terms acceptable to
Harbinger or at all, which could have a material adverse effect on Harbinger.

         Government Regulatory and Industrial Policy Risks. Harbinger's network
services are transmitted to its customers over dedicated and public telephone
lines. These lines are governed by Federal and state regulations establishing
the rates, terms and conditions for their use. Changes in the legislative and
regulatory environment relating to on-line services, EDI or the Internet access
industry, including regulatory or legislative changes which directly or
indirectly affect telecommunication costs, restrict content or increase the
likelihood of competition from regional telephone companies or others, could
have a material adverse effect on Harbinger's business. The Telecommunications
Act of 1996 ("Act") amended the federal telecommunications laws by lifting
restrictions on regional telephone companies and others competing with Harbinger
and imposed certain restrictions regarding obscene and indecent content
communicated to minors over the Internet or through interactive computer
services. The Act set in motion certain events that will lead to the elimination
of restrictions on regional telephone companies providing transport between
defined geographic boundaries associated with the provision of their own
information services. This will enable regional telephone companies to more
readily compete with Harbinger by packaging information service offerings with
other services and providing them on a wider geographic scale. While provisions
of the Act prohibiting the use of a telecommunications device or interactive
computer service to send or display indecent material to minors have been held
by the U.S. Supreme Court to be unconstitutional, there can be no assurance that
future legislative or regulatory efforts to limit use of the Internet in a
manner harmful to Harbinger will not be successful. The Clinton administration
has announced an initiative to establish a framework for global electronic
commerce. Also, some countries such as Germany have adopted laws regulating
aspects of the Internet, and there are a number of bills currently being
considered in the United States at the federal and state levels involving
encryption and digital signatures, all of which may impact Harbinger. Harbinger
cannot predict the impact, if any, that the Act and future court opinions,
legislation, regulations or regulatory changes in the 


                                       
<PAGE>   10

United States or other countries may have on its business. Management believes
that Harbinger is in compliance with all material applicable regulations.
Harbinger's TrustedLink Guardian product and the Templar product both
incorporate encryption technology which is subject to U.S. export control
regulations. Although both products are currently exportable under licenses
granted by the Commerce Department, government regulation in this area is
subject to frequent change and there can be no assurance that these products
will remain exportable.

         Anti-Takeover Provisions. The Harbinger Board of Directors has
authority to issue up to 20,000,000 shares of preferred stock and to fix the
rights, preferences, privileges and restrictions, including voting rights, of
the preferred stock without further vote or action by Harbinger shareholders.
The rights of the holders of Harbinger Common Stock will be subject to, and may
be adversely affected by, the rights of the holders of any preferred stock that
may be issued in the future. While Harbinger has no present intention to issue
additional shares of preferred stock, such issuance, while providing desired
flexibility in connection with possible acquisitions and other corporate
purposes, could have the effect of making it more difficult for a third party to
acquire a majority of the outstanding voting stock of Harbinger. In addition,
the Harbinger Charter and the Harbinger Bylaws contain provisions that may
discourage proposals or bids to acquire Harbinger. This could limit the price
that certain investors might be willing to pay in the future for shares of
Harbinger Common Stock. The Harbinger Charter provides for a classified board of
directors with three-year, staggered terms for its members. The classification
of the Harbinger Board could have the effect of making it more difficult for a
third party to acquire control of Harbinger.