SECURITY FIRST TECHNOLOGIES CORP
10-K, 1999-03-31
COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
 
                                   FORM 10-K
 
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<S>     <C>
[X]         ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                      SECURITIES EXCHANGE ACT OF 1934
                FOR THE FISCAL YEAR ENDED DECEMBER 31, 1998
                                     OR
[ ]       TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                      SECURITIES EXCHANGE ACT OF 1934
</TABLE>
 
             FOR THE TRANSITION PERIOD FROM           TO
 
                       COMMISSION FILE NUMBER: 000-24931
 
                    SECURITY FIRST TECHNOLOGIES CORPORATION
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
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<S>                                            <C>
                   DELAWARE                                      58-2395199
       (State or other jurisdiction of                        (I.R.S. Employer
        incorporation or organization)                      Identification No.)
     3390 PEACHTREE ROAD, NE, SUITE 1700
               ATLANTA, GEORGIA                                    30326
   (Address of principal executive offices)                      (Zip Code)
</TABLE>
 
       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (404) 812-6200
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:
                                 Not Applicable
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:
 
                    Common Stock, par value $0.01 per share
                                 Title of Class
 
     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 __ .     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.  [ ]
 
     As of March 24, 1999, the aggregate market value of the shares of common
stock of the registrant issued and outstanding on such date, excluding 2,084,011
shares held by all affiliates of the registrant, was approximately $642,391,000.
This figure is based on the closing sales price of $62.50 per share of the
registrant's common stock on March 24, 1999, and excludes shares held by
directors and executive officers because such persons may be deemed to be
affiliates. This reference to affiliate status is not necessarily a conclusive
determination for other purposes.
 
     Shares of common stock outstanding as of March 24, 1999: 12,362,267
 
                      DOCUMENTS INCORPORATED BY REFERENCE
 
     List hereunder the following documents if incorporated by reference and the
Part of the Form 10-K into which the document is incorporated:
 
     Not applicable.
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                                     PART I
 
ITEM 1.  BUSINESS.
 
     Security First Technologies Corporation (S1(TM)) develops integrated,
brandable internet applications that enable companies offering financial
services to create their own financial portals on the internet. S1's Virtual
Financial Manager, known in the marketplace as VFM, integrates banking,
investment, loan and credit card accounts at an institution, with content such
as news, weather and sports personalized by the end-user. S1 licenses its
Virtual Financial Manager software, provides installation and integration
services and offers outsourced internet transaction processing through its data
center. S1's goal is to be the leading provider of internet solutions that
enable companies offering financial services to extend and strengthen customer
relationships. S1 targets organizations that view providing their products and
services on the internet as a strategic competitive advantage and an integral
component of their business.
 
     Prior to September 1998, S1 was a subsidiary of Security First Network
Bank. Using Virtual Financial Manager, Security First Network Bank became the
first internet bank in 1995. In September 1998, we reorganized in order to
separate the banking and technology businesses and then sold the banking
business to a subsidiary of Royal Bank of Canada.
 
THE S1 SOLUTION
 
     S1's Virtual Financial Manager addresses the requirements of both its
financial institution clients and end-users by integrating multiple financial
applications in one comprehensive internet-based product suite that also can
include extended personalized information. This combination creates a financial
portal through which end-users are able to conduct many of their daily
electronic financial, commerce and personal activities online. Virtual Financial
Manager also enables clients to offer their customers a complete view of their
personal finances with the institution in one consolidated financial statement.
Through its solutions, S1 believes its clients can expand and strengthen their
customer relationships and increase their revenue potential and customer
retention.
 
     S1's Banking provides the foundation for establishing, retaining, and
expanding the client's customer relationship. Most households have some form of
transaction account that facilitates access to funds for consumer transactions.
End-users typically access their transaction account information regularly, thus
providing the financial institution with a continuous opportunity to market
additional services to its customers.
 
  Advantages for Financial Services Companies
 
     - Portal Capabilities.  S1's solution provides customizable content,
       including news, sports, weather and stock quotes along with the
       end-user's financial information.
 
     - One-Stop-Shop.  The financial services company can maintain and enhance
       its role as primary financial services provider by offering multiple
       financial and non-financial products through a single distribution
       channel.
 
     - One-to-One Marketing.  Companies can anticipate their customers' needs
       and market products to them based on account information and
       observational data gathered during the customers' use of Virtual
       Financial Manager.
 
     - Branding.  S1's solution allows clients to provide internet financial
       services to their end-users under the clients' brand names.
 
     - Scalable Technology.  S1's technology can support extensive growth in the
       number of end-users.
 
  Advantages for End-Users
 
     - Convenience.  Financial information is available 24 hours a day, 7 days a
       week, and may be accessed anywhere the internet is available.
 
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     - Consolidated Financial Statement.  End-users are able to see all of their
       financial accounts at the institution in one consolidated view, including
       an archive of historical data and check images.
 
     - Online Transactions.  End-users are able to execute transactions on the
       internet, including bill payments, account transfers and investment
       transactions.
 
     - Ease of Use.  It is easy for end-users to access their integrated
       financial data and execute transactions. There is no software for
       end-users to buy, load and update.
 
     - Personalization.  Products and services offered to the end-user by the
       institution can be personalized based on the characteristics of the
       end-user. In addition, end-users can customize their transactional
       information based on their own criteria.
 
S1'S STRATEGY
 
     S1's goal is to be the leading provider of internet solutions that enable
the creation of financial portals that allow our clients to extend and
strengthen their customer relationships. The following describes the key
elements of S1's strategy.
 
     Develop leading-edge technology.  S1 plans to continue to develop
leading-edge technology to enable its clients to offer feature-rich and
easy-to-use internet financial services in a secure environment. Additional
products and enhancements to existing products will be developed based on client
and market demands. S1's strategy includes developing internet solutions based
on fat server technology. Fat server technology enables the end-user to store,
manipulate and process account information from any internet-enabled device.
This technology will become even more useful when alternative internet devices
become prevalent.
 
     Expand client base.  S1 intends to expand its client base by targeting
large companies that have the largest number of end-users. These companies
include traditional financial institutions, such as banks, brokerage firms and
insurance companies, as well as non-traditional financial services companies
such as major retailers and automotive manufacturers who are expanding their
financial services activities. To aid this expansion, S1 plans to increase its
number of sales and marketing personnel, continue partnering with third parties
and expand internationally with its upcoming release of Virtual Financial
Manager version 5.0.
 
     Partner with leading technology and implementation players.  S1 intends to
expand and leverage its relationships with key business partners. These
relationships expand S1's distribution network and provide resources that
contribute to effectively maximizing opportunities. Important strategic
partnerships include those with Hewlett-Packard and Andersen Consulting.
 
     Expand infrastructure.  S1 expects to expand its existing data center
facilities to meet anticipated growth in demand for data center services. The
data center is designed to host the Virtual Financial Manager software
application suite and to ensure the security of data and communications. Data
center transaction processing and support provide S1 with a recurring revenue
stream.
 
     Pursue strategic acquisitions.  S1 intends to pursue strategic acquisitions
that would provide additional technology, product or service offerings,
additional industry expertise, a broader client base or an expanded geographic
presence.
 
S1 PRODUCTS AND SERVICES
 
     S1's Virtual Financial Manager is a suite of applications that integrates
multiple financial management applications with personalized content and
marketing capabilities.
 
  Products
 
     Virtual Financial Manager Version 4.0. S1 continues to enhance the existing
Virtual Financial Manager suite by developing new applications and more
efficient software architecture. Virtual Financial Manager version 4.0 was
released and implementations and upgrades to this version began in 1998. S1 is
consolidating
 
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all existing users of Virtual Financial Manager onto version 4.0 which will
result in greater efficiency of back office operations and higher degrees of
operational scalability. Other enhancements include:
 
        - increased customization capabilities for greater branding
          opportunities,
 
        - flexible delivery of transactions for both batch and real-time
          solutions,
 
        - internal funds transfers for loan payments which eliminate the need
          for third party involvement, and
 
        - faster integration of back-end host systems, which shortens the
          financial institution's time to market.
 
     Current applications within S1's Virtual Financial Manager product suite
include:
 
     - Banking:  The first application developed within the Virtual Financial
       Manager suite, Banking allows customers to perform secure banking
       transactions over the internet. S1's Banking application provides
       end-users with access to multiple accounts including checking, savings,
       CDs, money market, credit cards and loans.
 
        - Deposit Accounts -- Through S1's Banking application, end-users can
          transfer funds between accounts, pay bills electronically, view
          statements and registers, open checking, savings and money market
          accounts, and purchase certificates of deposit. Completed transactions
          are reflected daily in the end-users' online statements. In addition
          to viewing balance information and executing banking transactions,
          end-users can add personalization categories and obtain reports for
          enhanced personal financial management.
 
        - Credit Cards -- Unlike traditional credit card paper statements that
          give end-users only a monthly view of their account, S1's solution
          provides end-users daily access to any posted account activity.
          End-users can view current and historical credit card information the
          same way they view their online checking account statement. Built-in
          reporting capabilities and the ability to categorize expenses enable
          end-users to track their spending.
 
        - Loans -- Within the loan application, end-users can view current
          balances for lines of credit, mortgages, auto loans or any other
          consumer loan. Loan payments can be made from another online account
          with the same bank via funds-transfer, and money can be transferred
          out of lines of credit. The underlying architecture within the loan
          application provides the end-users with a consolidated view of loan
          balances along with their other accounts.
 
     - Investments:  This full-featured online investment application gives the
       end-user the ability to manage brokerage accounts, buy and sell stocks
       and mutual funds, and view portfolio positions around the clock.
       End-users can effect trades in a cash and/or margin account, view IRA's
       and other investments, and experience real-time portfolio updating of
       balances and profit/loss report generation.
 
     - Relationship Management:  The latest addition to S1's application suite,
       Relationship Management, lets institutions provide the benefits of the
       traditional "private banker" to its end-users. It gives institutions the
       ability to offer these end-users a personalized experience. Institutions
       can anticipate end-user needs and respond promptly with appropriate
       information and targeted product and service offerings. Four categories
       of information provide the basis for defining targeted end-user profiles:
 
        - historical account information through Virtual Financial Manager's
          data storage,
 
        - observational data of the end-user's on-line activity while within the
          Virtual Financial Manager application,
 
        - data warehouse information collected from and resident within host
          legacy systems, and
 
        - market research gathered through online surveys or questionnaires.
 
      Institutions can use this data to market specific products and services to
      targeted individual customers or segmented groups. The customer experience
      with the institution is also enhanced through a customiz-
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      able hub/portal environment that includes the integrated delivery of the
      customer's financial information, along with traditional portal
      information that has been personalized by the customer including news,
      sports, weather and stock quotes. Content can be delivered from a number
      of sources, including content authored by the institution dealing
      specifically with the products and services they offer to their customers.
 
     - Customer Care:  S1's customer care technology allows its clients'
       customer service representatives to assist end-users by:
 
        - simultaneously viewing the same screen the end-user is viewing to help
          resolve any issues,
 
        - updating account information, and
 
        - offering special incentives such as reduced brokerage commissions.
 
  Upcoming Technology Enhancements and New Products:
 
     Virtual Financial Manager Version 5.0. With direct input from S1's Customer
Advisory Council, S1 has completed the design phase of the next generation
architecture and Virtual Financial Manager version 5.0, which is expected to be
generally available in late 1999. Version 5.0 of Virtual Financial Manager will
include advanced architectural modifications as well as significant technical
and functional enhancements. Expected highlights of this release include:
 
        - Customization -- The graphical user interface can be branded and the
          level of the product's functionality can be tailored to end-user
          segments within an institution.
 
        - Internationalization -- The product will function in multiple
          languages and currencies.
 
        - Increased scalability -- Each server will support one million
          end-users.
 
        - Open architecture -- The product will be open to many company and
          third-party add-on applications.
 
        - Personal financial manager connectivity -- Users of third-party
          personal financial management software will be able to connect
          directly to the product.
 
     Insurance.  S1's Insurance application will address the needs of insurance
organizations that are looking to utilize the internet as an additional
distribution channel. The initial application is expected to enable end-users to
request and receive on-line insurance rate quotes for auto, term life,
homeowners and health insurance. Additional functionality to be added to this
application includes claims administration, online payment of policy premiums,
policy administration and online interaction with an insurance agent or a
customer support representative.
 
     Business.  The target market for S1's Business application will be
businesses that have outgrown the small or home office segment but are not large
enough to warrant a sophisticated cash management system. These businesses
typically need an electronic banking tool that can be used by designated
employees to view business account activity, reconcile these accounts, and
initiate transactions on behalf of the company but only within the limits and
restrictions specified by a company administrator. The first release of S1's
Business application is expected to provide multi-user capability and
configurable authorization limits required by small business customers.
 
     Presentment and Payment.  S1 is currently working on the initial version of
Presentment and Payment to facilitate electronic data delivery to an end-user.
The initial focus is on the electronic delivery of bills, or bill presentment.
Presentment and Payment will also be extended to any kind of dynamically
changing information, such as account disclosures, statements and other reports.
S1's solution will aggregate billing and other information from any number of
consolidators and bill publishers, which will enable an institution to deliver
the maximum amount of electronically available bill and other personal data to
the end-user.
 
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  Professional Services
 
     Through an experienced team of professionals and strategic partnerships, S1
surrounds its applications with flexible implementation, maintenance and support
options. S1 provides professional services for the installation and integration
of Virtual Financial Manager, including installation at third-party data
processing centers and direct licensee sites and integration of the financial
institution's data processing systems with the S1 data center. Our professional
services organization consists of approximately 90 experienced professionals. In
addition, S1 provides training, consulting and product enhancement services.
Clients are charged for these services at hourly rates, plus the cost of
materials.
 
  Data Center
 
     S1 offers its clients the option to outsource the processing of their
internet financial transactions through its data center. This data center
operates 24 hours a day, 7 days a week, and provides a physically secure
environment as well as an encrypted virtual private network connection for
communications between S1's data center and each specific institution's host
systems. S1 believes that clients choose this option for their internet
technology needs because of the expertise developed by S1 and the convenience of
an outsourcing solution. In addition, the data center personnel provide
technical support services to all Virtual Financial Manager clients.
 
STRATEGIC RELATIONSHIPS
 
     S1 has established strategic relationships that play a key role in its
development and distribution of technology and services.
 
     - Hewlett-Packard:  In February 1999, S1 entered into an alliance with
       Hewlett-Packard to provide integrated financial services. As part of the
       alliance, S1 expects that Hewlett-Packard will promote S1 as its
       preferred provider of internet applications for the financial services
       industry. S1 intends to focus the partnership on North America initially
       and expand worldwide as additional S1 products become available. S1
       anticipates that this alliance will expand its distribution capacity
       through Hewlett-Packard's global infrastructure. S1 has partnered with
       Hewlett-Packard to develop one of the industry's most secure networks, by
       integrating HP's VirtualVault technology into S1's open architecture. In
       addition, S1 will continue to run Virtual Financial Manager on HP's
       platforms on an exclusive basis, for an initial period of 18 months.
 
     - Andersen Consulting:  In February 1999, S1 and Andersen Consulting formed
       a strategic alliance to jointly develop business strategies and
       implementation processes that increase an organization's ability to
       leverage new technology, increase speed to market and compete more
       effectively in delivery of internet-based services. This alliance will
       add significant resources to expand S1's capacity for distribution,
       delivery and implementation. As part of the alliance, Andersen Consulting
       LLP has been issued warrants to purchase our common stock that vest over
       time based on the number of new customers it brings to S1's solution. S1
       expects to benefit from the extensive relationships Andersen Consulting
       has established with strategic financial services companies throughout
       the world. S1 also expects Jackson L. Wilson, Jr., Managing Partner --
       Global Markets, of Andersen Consulting, to join the S1 board of directors
       in the near future.
 
     - BroadVision:  S1 has established a relationship with BroadVision, Inc. to
       integrate the BroadVision "One-to-One" marketing product with Virtual
       Financial Manager. As part of this relationship, S1 obtained a license to
       use and resell BroadVision's "One-to-One" marketing suite of products and
       BroadVision made a $2.0 million investment in S1 common stock. In
       addition, the two companies exchanged stock with a value of $3 million.
       By integrating the "One-to-One" product into Virtual Financial Manager,
       financial services firms using S1's products are able to collect and
       organize data resulting from customers' transactions and use that data
       for specifically targeted cross selling of products.
 
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ADVISORY RELATIONSHIPS
 
     S1 has formed a Customer Advisory Council to provide S1 with insights and
experience related to the development of new products. This council reviews
detailed product plans and provides technical guidance on product functionality.
 
     S1 has an Advisory Board which provides strategic direction as it relates
to product development and direction. The Advisory Board includes
representatives of Citibank, BankAmerica, The Principal Financial Group, Synovus
Financial Corp., Wachovia Corporation, Huntington Bancshares, Inc., State Farm
Mutual Automobile Insurance Company, and Royal Bank of Canada.
 
SALES AND MARKETING
 
     S1's sales team is structured in four key groups. The new business sales
team is focused on a list of target accounts generated from the target market of
large financial services companies. The installed base sales team is responsible
for managing the relationships of existing customers. The channel sales team
focuses on building successful relationships with the third party data
processors and our other technology partners to ensure we have the broadest
coverage in the market. The sales support team provides the technical sales
support necessary to maximize the output and productivity of the sales function.
 
     S1 promotes its products and services through conferences, seminars, direct
marketing and trade publications, as well as through relationships with
partners, including Hewlett-Packard and Andersen Consulting. S1 also maintains
membership in key industry organizations such as the Bank Administration
Institute and Global Concepts, a payment systems consulting firm. In addition,
S1 participates in industry conferences such as internet Banking Conference,
Banknet/Investnet Online '99 and Retail Delivery Systems.
 
PRODUCT AND SOFTWARE DEVELOPMENT
 
     S1's product development group is structured into product management,
development and quality assurance. S1 invested $4.0 million in 1996, $10.5
million in 1997, and $14.6 million in 1998 in product development efforts.
 
     The product management group is responsible for strategic product planning,
managing customer and market demands, performing competitive analysis, and
managing the entire development process for each product under development. The
department consists of individuals with industry expertise related to the
product they are managing. The product managers work closely with the
development group to ensure that the functionality in the product exceeds
industry standards.
 
     The development group creates the products following an iterative and
incremental development life cycle. The software life cycle consists of six
phases: planning, analysis-design, construction, testing, implementation and
maintenance. The software developers have extensive experience in advanced
software development techniques and work closely with the product managers to
ensure that they are considering the complex processes involved in financial
services systems.
 
     The quality assurance group has extensive knowledge of S1's products and
expertise in software quality assurance techniques. The quality assurance group
utilizes an incremental form of testing for all products. The benefit of this
method is that developers focus on each module individually as it is developed
and then integrated with other modules, which yields better test coverage.
Testing is accomplished in three separate phases: unit testing, integration
testing and system testing. These three phases or levels of testing accompany
the product development cycle from initial coding through product pre-release
for each developmental project. The goal of each testing phase is to detect
errors at the earliest stage of the system/product development cycle.
 
TECHNOLOGY
 
     S1's products incorporate business logic and a database running on a
server. The combination of database and business logic, often referred to as fat
server architecture, significantly raises the complexity of building
 
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and operating the software as compared to other internet banking products which
do not have integrated business logic and database, often referred to as thin
server architecture. Having integrated business logic and database in front of
the financial institution's mainframe systems provides greater functionality and
performance for end-users. Additionally, the fat server provides for the
capability to consolidate the end-user's financial data from disparate host
systems. Virtual Financial Manager provides rigorous security by combining
encryption technology, firewalls and filtering routers with a proven
military-grade operating system.
 
     S1's product offerings were built using the C++ language, Informix database
technology, the HP Virtual Vault platform for secure web application execution,
HP-UX as the operating system platform, and Tuxedo for real-time software that
accessed bank host systems. This technology uses large multi-processor HP Unix-
based servers and allows scalability up to 250,000 customers. In early 1998, S1
decided to switch its platform focus from a C++/Unix based solution to a Forte
application development and execution environment. S1 built its Investments
product on a Forte base, and integrated the investment functionality with the
existing Virtual Financial Manager 4.0 Banking. The Forte suite of application
development tools allows database and platform independence, as well as
capabilities far beyond the previous architecture in terms of scalability,
application partitioning, application monitoring and performance.
 
     S1 is currently in development of a full suite of financial applications on
the Forte-based platform, including a common technical and business architecture
for all S1 applications in the Virtual Financial Manager 5.0 suite. S1 intends
to publish Application Programming Interfaces for this new version to enable
third parties to add functionality.
 
     S1's data center provides access to host computers for messaging, online
updates and inquiry into systems operating Virtual Financial Manager. All
communications between the Virtual Financial Manager application and the
institution's host network are routed through a Virtual Private Network
connection in order to enhance security. The data center is responsible for
ensuring availability of all types of communications including online, email,
frame relay circuit, and host communications. In addition, the data center
provides production, change control, job scheduling, data storage management,
storage of backups, and job performance analysis for systems operating Virtual
Financial Manager. Our recovery plan provides the institution with a defined
recovery site, data processing resources, and vital records required for
restoration of all the institution's operations in the S1 data center.
 
COMPETITION
 
     The internet technology, financial services and secure network
communication industries all represent dynamic and competitive markets. S1
continues to expect competition to intensify in the future, especially with
respect to internet financial service products. Because of the diverse and
changing competitive marketplace in the financial services industry and for
internet related products and services, there can be no assurance that S1 has
identified or considered all possible present and future competitors or that the
discussion set forth below represents a complete coverage of competition.
 
     The market for online banking and financial software is competitive,
rapidly evolving and subject to technological change. With the continued
development of the internet as an accepted avenue for providing financial
services, S1 expects competition to intensify. Principal competitors currently
include software companies that provide turn-key online banking and brokerage
solutions and internet integration tools.
 
     While S1 believes no other organization delivers internet solutions that
rival the depth and breadth of S1's solution, there are a number of companies in
the market who have a similar offering. However, it is not so much these
organizations that are competitive factors for S1, but more the approaches and
standards that the market is currently struggling to define. Below is a
discussion of these competitive factors:
 
     - Thin servers.  The thin server model connects end-users directly to the
       financial institution's mainframe system and provides limited information
       access and customization. Typically financial institutions remove a
       customers' financial data that is over 60 days old from the mainframe
       system and store the information in a fashion that makes it unavailable
       to the end-user through their thin server internet application.
 
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     - Fat client.  The fat client model refers to personal financial management
       programs, such as Quicken, which are installed on a personal computer.
       The ability to access the financial information under the fat client
       model is limited to the device containing the personal financial
       management software. S1's solution does not require software to be loaded
       on a client device, therefore financial information can be accessed from
       any internet enabled device. In addition, it allows the financial
       institution to maintain access to valuable customer information that it
       can use for marketing additional products and services, and frees the
       end-user from upgrades.
 
     - In-house development.  Some financial services organizations have
       developed or are in the process of developing their own personal
       financial management software. The internal development includes both
       dial-up personal computer-based systems and internet systems. Many of
       these organizations are discovering that internal development is cost
       prohibitive, time consuming and requires new technical expertise, and
       therefore are looking to outside vendors to maintain competitive
       products.
 
     - Aggregator.  The aggregator model is an internet service that
       consolidates information from multiple entities and presents the
       information to the end-user. Under this model, an end-user is not
       required to consolidate all of his financial relationships at one
       organization. We believe, however, that S1's solution can offer a
       client's end-users consistent experience across a wide range of products
       and meet their needs faster than the aggregator model, and that this will
       result in end-users consolidating their relationships at one financial
       institution. In addition, S1's solution enables a financial organization
       to maintain brand identity.
 
INTELLECTUAL PROPERTY
 
     S1's success is heavily dependent on its proprietary technology and
information. S1 relies on a combination of copyright, trademark and trade secret
laws and confidentiality procedures to protect its proprietary technology and
information. S1 generally enters into nondisclosure agreements with its
employees, contractors, consultants, distributors and corporate partners and
limits access to and distribution of its software, documentation and other
proprietary information.
 
     Despite its efforts to protect its proprietary software, unauthorized
parties may attempt to copy or otherwise obtain and use products or technology
that S1 considers proprietary, and third parties may attempt to develop similar
technology independently. In particular, S1 provides its existing and potential
distribution partners with access to its product architecture and other
proprietary information underlying its licensed software. Policing unauthorized
use of S1's software is very difficult due to the nature of software, and, while
S1 is unable to determine the extent to which piracy of its software products
exists, software piracy can be expected to be a persistent problem. In addition,
effective protection of intellectual property rights may be unavailable or
limited in certain countries. Accordingly, there can be no assurance that the
steps taken by S1 to protect its services and products are adequate to prevent
misappropriation of its technology or that S1's competitors will not
independently develop technologies that are substantially equivalent or superior
to S1's technology.
 
     Despite the implementation of security measures, the core of S1's network
infrastructure could be vulnerable to unforeseen computer problems. Although S1
believes it has taken steps to mitigate much of the risk, it may in the future
experience interruptions in service as a result of the accidental or intentional
actions of internet users, current and former employees or others. Unknown
security risks may result in liability to S1 and also may deter financial
institutions from licensing its software and services. Although S1 intends to
continue to implement and establish security measures, there can be no assurance
that measures implemented by S1 will not be circumvented in the future, which
could have a material adverse effect on its business, financial condition or
results of operations.
 
GOVERNMENT REGULATION
 
     S1 is subject to being examined, and is indirectly regulated, by the Office
of the Comptroller of the Currency, the Board of Governors of the Federal
Reserve System ("FRB"), the Federal Deposit Insurance Corporation and the Office
of Thrift Supervision, and the various state financial regulatory agencies which
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supervise and regulate the banks and thrift institutions for which S1 provides
data processing services. Matters subject to review and examination by federal
and state financial institution regulatory agencies include S1's internal
controls in connection with its performance of data processing services, and the
agreements pursuant to which S1 provides such services.
 
     As the FRB has approved Area's, Huntington's and Wachovia's ownership
interest in S1, we are subject to supervision, regulation and examination by the
FRB as a company controlled by a bank holding company.
 
EMPLOYEES
 
     As of December 31, 1998, S1 had 312 employees. S1's employees are not
represented by a collective bargaining unit, and S1 believes that its relations
with its employees are satisfactory. In addition to full-time employees, S1 has
used the services of various independent contractors for professional services
projects and product development.
 
ITEM 2.  PROPERTIES.
 
     S1's executive offices and data center are located at 3390 Peachtree Road,
NE, Atlanta, Georgia. S1 also maintains a development office in Littleton,
Massachusetts and Melbourne, Australia. The executive offices, data center and
the development offices are leased facilities. S1 owns computer equipment with a
net book value of approximately $2.3 million at December 31, 1998.
 
ITEM 3.  LEGAL PROCEEDINGS.
 
     There are no material pending legal proceedings to which S1 or its
operating subsidiary is a party or of which any of their property is the
subject, other than ordinary routine litigation incidental to the business.
 
ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.
 
     Not applicable.
 
                                        9
<PAGE>   11
 
                                    PART II
 
ITEM 5.  MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS.
 
     Our common stock has been quoted on the Nasdaq National Market under the
symbol "SONE" since October 1998. Prior to that time, the common stock of our
predecessor, Security First Network Bank, was quoted on the Nasdaq National
Market under the symbol "SFNB" from its initial public offering on May 23, 1996
through September 1998. The following sets forth, for the quarters indicated,
the high and low closing sales prices per share of the common stock as reported
on the Nasdaq National Market.
 
<TABLE>
<CAPTION>
                       QUARTER ENDED:                         HIGH       LOW
                       --------------                         ----       ---
<S>                                                           <C>        <C>
SFNB:
June 30, 1996...............................................  $45        $31 3/4
September 30, 1996..........................................   34 1/4     21
December 31, 1996...........................................   26 1/4     10
March 31, 1997..............................................   13 1/2      8
June 30, 1997...............................................    9 3/8      5 1/2
September 30, 1997..........................................   13 7/8      7 5/8
December 31, 1997...........................................   11 3/8      5 3/4
March 31, 1998..............................................   13 5/8      8 1/4
June 30, 1998...............................................   14 15/16    7 1/2
September 30, 1998..........................................   26 3/8     11 3/4
SONE:
December 31, 1998...........................................   35 3/8     11
</TABLE>
 
     As of the close of business on March 24, 1999, there were 375 holders of
record of our common stock.
 
     We have not paid or declared cash dividends on our common or preferred
stock since our initial public offering in May 1996 and do not anticipate paying
cash dividends on our capital stock in the foreseeable future.
 
     On October 1, 1998, we issued 129,702 shares of our common stock to
BroadVision, Inc. in a private placement and BroadVision issued 123,001 shares
of BroadVision common stock to us in a private placement pursuant to the Common
Stock Purchase Agreement, made as of June 30, 1998, among BroadVision, S1 and
Security First Network Bank. The offer and sale of the stock to BroadVision
satisfied the requirements of Section 4(2) of the Securities Act of 1933, as
amended (transactions by an issuer not involving any public offering).
 
     On December 17, 1998, we issued 210,438 shares of our common stock to Royal
Bank of Canada in exchange for consideration of $2.5 million in a private
placement upon exercise of an option granted pursuant to the Common Stock
Purchase and Option Agreement dated March 9, 1998 between Security First Network
Bank and Royal Bank of Canada. The sale of the stock to Royal Bank satisfied the
requirements of Section 4(2) of the Securities Act of 1933, as amended
(transactions by an issuer not involving any public offering).
 
ITEM 6.  SELECTED FINANCIAL DATA.
 
     The following table presents our selected statement of operations data and
our selected balance sheet data on a consolidated basis. The selected historical
consolidated financial data presented below is derived from the audited
consolidated financial statements and notes of S1. You should read this data
together with the audited
 
                                       10
<PAGE>   12
 
consolidated financial statements of S1 and Item 7, "Management's Discussion and
Analysis of Financial Condition and Results of Operations."
 
<TABLE>
<CAPTION>
                                                                      YEAR ENDED DECEMBER 31,
                                                              ----------------------------------------
                                                               1995       1996       1997       1998
                                                              -------   --------   --------   --------
                                                               (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                                           <C>       <C>        <C>        <C>
STATEMENTS OF OPERATIONS DATA:
Revenues:
  Software licenses.........................................  $    --   $    512   $  4,142   $  4,781
  Professional services.....................................       --        699      6,277     16,218
  Data center...............................................       --         56        411      3,181
                                                              -------   --------   --------   --------
    Total revenues..........................................       --      1,267     10,830     24,180
                                                              -------   --------   --------   --------
Direct costs:
  Software licenses.........................................       --        796      1,605        503
  Professional services.....................................       --        535      5,346     10,527
  Data center...............................................       --      2,266      6,947      7,218
                                                              -------   --------   --------   --------
    Total direct costs......................................       --      3,597     13,898     18,248
                                                              -------   --------   --------   --------
    Gross margin............................................       --     (2,330)    (3,068)     5,932
                                                              -------   --------   --------   --------
Operating expenses:
  Selling and marketing.....................................       --      2,154      4,305      4,723
  Product development.......................................       --      4,048     10,507     14,625
  General and administrative................................       46      3,635      4,637      5,994
  Depreciation and amortization.............................       --        256      1,741      5,347
  Amortization of goodwill and acquisition charges..........       --      7,072      4,525      4,384
                                                              -------   --------   --------   --------
    Total operating expenses................................       46     17,165     25,715     35,073
                                                              -------   --------   --------   --------
    Operating loss..........................................      (46)   (19,495)   (28,783)   (29,141)
Interest income.............................................      101      1,672      1,481        583
                                                              -------   --------   --------   --------
(Loss) income from continuing operations....................       55    (17,823)   (27,302)   (28,558)
Discontinued operations:
  Loss from operations......................................   (1,535)    (4,236)      (689)    (3,059)
  Gain on sale..............................................       --         --         --        812
                                                              -------   --------   --------   --------
Loss from discontinued operations...........................   (1,535)    (4,236)      (689)    (2,247)
                                                              -------   --------   --------   --------
Net loss....................................................  $(1,480)  $(22,059)  $(27,991)  $(30,805)
                                                              =======   ========   ========   ========
 
Basic and diluted net loss per common share from continuing
  operations................................................  $    --   $  (3.03)  $  (3.06)  $  (2.59)
Basic and diluted net loss per common share from
  discontinued operations...................................    (0.16)     (0.73)     (0.08)     (0.21)
                                                              -------   --------   --------   --------
Basic and diluted net loss per common share.................  $ (0.16)  $  (3.76)  $  (3.14)  $  (2.80)
                                                              -------   --------   --------   --------
Weighted average number of shares of common stock
  outstanding...............................................    9,451      5,874      8,923     11,018
                                                              =======   ========   ========   ========
</TABLE>
 
<TABLE>
<CAPTION>
                                                                            DECEMBER 31,
                                                              ----------------------------------------
                                                               1995       1996       1997       1998
                                                              -------   --------   --------   --------
<S>                                                           <C>       <C>        <C>        <C>
BALANCE SHEET DATA:
  Cash and cash equivalents.................................  $ 3,710   $  4,122   $  3,137   $ 14,504
  Total assets..............................................    3,948     45,941     36,192     48,293
  Capital lease obligation, excluding current portion.......       --         --         --        159
  Stockholders' equity......................................    3,367     40,859     25,140     17,229
</TABLE>
 
ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
         OF OPERATIONS.
 
     This annual report contains forward-looking statements and information
relating to us and our subsidiary. The words "believes," "expects," "may,"
"will," "should," "projects," "contemplates," "anticipates," "forecasts,"
"intends" or similar terminology identify forward-looking statements. These
statements are based on the beliefs of management as well as assumptions made
using information currently available to management. Because these statements
reflect the current views of management concerning future events, they involve
risks, uncertainties and assumptions. Therefore, actual results may differ
significantly from the results
 
                                       11
<PAGE>   13
 
discussed in the forward-looking statements. We undertake no obligation to
update publicly any forward-looking statement for any reason, even if new
information becomes available.
 
     This section of this annual report should be read in conjunction with the
audited consolidated financial statements and notes appearing elsewhere in this
annual report.
 
OVERVIEW
 
     Security First Technologies Corporation, commonly known as S1, develops
integrated, brandable internet applications that enable companies offering
financial services to create their own financial portals. Prior to September 30,
1998, we were the technology subsidiary of Security First Network Bank, which
was the first internet bank. On September 30, 1998, we completed a
reorganization to separate our banking and technology businesses, and then sold
the banking business to a subsidiary of Royal Bank of Canada. S1 developed the
technology which enabled Security First Network Bank to begin offering banking
services over the internet. We released version 4.0 of our product in 1998 and
intend to continue our product development efforts, which include the
introduction of version 5.0 within the next 12 months.
 
  Revenues
 
     S1's revenues are derived primarily from three sources:
 
     Software licenses.  S1 receives license fees from direct licensees of
Virtual Financial Manager and third party data processors. Direct licensees
install and operate Virtual Financial Manager in their own data center. S1
generally receives an initial license fee plus ongoing fees which are based on
either the number of end-users or a percentage of the initial license fee. The
initial software license fees are generally recognized as revenue on a
straight-line basis over either the term of the agreement or, for contracts
without a term, the estimated useful life of the software products. The ongoing
fees are recognized as revenue in the month earned.
 
     Third party data processors install Virtual Financial Manager in their own
data processing centers and license the product to their client institutions,
typically smaller financial services entities like community banks and thrifts.
S1 receives monthly fees from third party data processors based on the total
number of end-users served by the processors' client institutions. These fees
are recognized as revenue in the period earned.
 
     Professional Services.  S1 provides professional services related to the
installation and integration of Virtual Financial Manager. These services
include:
 
          - installing the product at direct licensees and third party data
            processing centers,
 
          - integrating the financial institution's data processing systems with
            the S1 data center for data center clients,
 
          - product enhancements,
 
          - consulting, and
 
          - training.
 
     Customers are charged and revenues are recognized for these services
primarily on a time and materials basis. These revenues are recognized as the
services are performed.
 
     Data Center.  S1 receives recurring monthly fees from financial
institutions who have chosen to license S1's Virtual Financial Manager and
outsource the processing of their financial transactions to the S1 data center.
In addition, S1 receives monthly fees for technical support. These fees are
based on the number of end-users of the client institution. These revenues are
generally recognized as the services are performed.
 
  Expenses
 
     S1 expects to continue making significant investments in product
development in order to enhance its existing products, develop new products and
further advance its technology. For example, S1 plans to introduce version 5.0
of Virtual Financial Manager within the next 12 months, which will, among other
things, increase the product's scalability and allow it to be customized for
international use by S1's clients. Future
                                       12
<PAGE>   14
 
expenditures in product development will be primarily attributable to the
addition of software development personnel with the technological and industry
expertise relevant to S1's technology.
 
     S1 expects to increase its sales and marketing efforts to expand its
customer base. The sales and marketing staff, which numbered 16 at December 31,
1998, is expected to grow significantly during 1999. S1 also will continue to
promote its products and services through conferences, seminars, direct
marketing and trade publications.
 
     S1 records software development costs in accordance with Financial
Accounting Standards Board Statement No. 86. S1 currently does not have any
capitalized software development costs.
 
     S1 has net operating loss carryforwards of approximately $49.3 million at
December 31, 1998 with expiration dates beginning in the year 2010 and ending in
the year 2018. Of this amount, $3.5 million related to stock option tax
deductions which will be reflected as additional paid-in capital when realized.
 
     S1 has incurred annual and quarterly losses from operations since its
inception. At December 31, 1998, S1 had an accumulated deficit of $82.8 million.
Moreover, although S1's revenues have increased in recent periods, there can be
no assurance that S1's revenues will grow in future periods, that they will grow
at past rates, that S1 will achieve profitability in the future or that, if
profitability is achieved, it will be sustained.
 
  Client Information
 
     The table below reflects information on the number of financial services
entities that have either executed a letter of intent or contract to use the S1
software applications and technology segregated by distribution channel. The
table also shows information on the number of financial services entities for
which Virtual Financial Manager has been implemented by distribution channel.
Data regarding third party data processors and direct software licensees are
based on information provided by these companies since S1 does not have direct
access to that data.
 
<TABLE>
<CAPTION>
                                                                    AS OF DECEMBER 31,
                                                                ---------------------------
                                                                 1996      1997      1998
                                                                ------    ------    -------
<S>                                                             <C>       <C>       <C>
FINANCIAL INSTITUTION COMMITMENTS:
Data center.................................................         7        17         15
Third party data processors.................................         4        43         65
Direct software licenses....................................         2         6          6
                                                                ------    ------    -------
     Total..................................................        13        66         86
                                                                ======    ======    =======
COMPLETED IMPLEMENTATIONS:
Data center.................................................         2         8         12
Third party data processors.................................        --        11         35
Direct software licenses....................................        --         4          5
                                                                ------    ------    -------
     Total..................................................         2        23         52
                                                                ======    ======    =======
NUMBER OF END-USERS:
Data center.................................................     9,500    32,700     93,000
Third party data processors.................................        --       400     16,000
Direct software licensees...................................        --     1,400    104,000
                                                                ------    ------    -------
     Total..................................................     9,500    34,500    213,000
                                                                ======    ======    =======
NUMBER OF END-USER ACCOUNTS:
Data center.................................................    12,200    49,500    148,000
Third party data processors.................................        --       700     42,000
Direct software licensees...................................        --     2,000    352,000
                                                                ------    ------    -------
     Total..................................................    12,200    52,200    542,000
                                                                ======    ======    =======
</TABLE>
 
                                       13
<PAGE>   15
 
RESULTS OF OPERATIONS
 
     The following discussion of our results of operations for the years ended
December 31, 1996, 1997 and 1998 is based on data derived from the statements of
operations data contained in our audited consolidated financial statements
appearing elsewhere in this annual report. The following table sets forth this
data as a percentage of total revenues:
 
<TABLE>
<CAPTION>
                                                                   YEAR ENDED DECEMBER 31,
                                                             ------------------------------------
                                                               1996          1997          1998
                                                             --------       ------       --------
<S>                                                          <C>            <C>          <C>
Revenues:
  Software licenses........................................      40.4%        38.2%          19.8%
  Professional services....................................      55.2         58.0           67.1
  Data center..............................................       4.4          3.8           13.1
                                                             --------       ------       --------
     Total revenues........................................     100.0        100.0          100.0
                                                             --------       ------       --------
Direct costs:
  Software licenses........................................      62.9         14.8            2.1
  Professional services....................................      42.2         49.4           43.5
  Data center..............................................     178.8         64.1           29.9
                                                             --------       ------       --------
     Total direct costs....................................     283.9        128.3           75.5
                                                             --------       ------       --------
Operating expenses:
  Selling and marketing....................................     170.0         39.8           19.5
  Product development......................................     319.5         97.0           60.5
  General and administrative...............................     286.9         42.8           24.8
  Depreciation and amortization............................      20.2         16.1           22.1
  Amortization of goodwill and acquisition charges.........     558.2         41.8           18.1
                                                             --------       ------       --------
     Total operating expenses..............................   1,354.8        237.5          145.0
                                                             --------       ------       --------
Operating loss.............................................  (1,538.7)      (265.8)        (120.5)
Interest income............................................     132.0         13.7            2.4
                                                             --------       ------       --------
Loss from continuing operations............................  (1,406.7)%     (252.1)%       (118.1)%
                                                             ========       ======       ========
</TABLE>
 
YEAR ENDED DECEMBER 31, 1998 COMPARED TO YEAR ENDED DECEMBER 31, 1997
 
  Revenues
 
     S1's total revenues increased by $13.4 million to $24.2 million for the
year ended December 31, 1998 from $10.8 million in the year ended December 31,
1997, an increase of 123%. The primary components of 1998 revenue were $4.8
million in software license fees, $16.2 million in professional service fees and
$3.2 million in data center fees. As a result of the size of the companies S1
does business with, the magnitude of the implementations for companies of this
size and our limited amount of capacity to perform implementations, in any given
period a significant portion of our revenues may be attributed to a limited
number of clients.
 
     Software Licenses.  Software license fees increased by $639,000 to $4.8
million in the year ended December 31, 1998 from $4.1 million in the year ended
December 31, 1997, an increase of 15%. Software license fees represented 20% of
total revenues in the year ended December 31, 1998 compared to 38% of total
revenues in the year ended December 31, 1997. This increase in software license
fees relates primarily to the recognition of revenue from the license fees
included in the technology and licensing agreements with Royal Bank of Canada.
These license fees have been recorded as deferred revenue and are recognized as
revenue over a three-year maintenance period. In addition, the increase in 1998
is also attributed to a license for S1's Relationship Management product.
 
     Professional Services.  Professional services revenues increased by $9.9
million to $16.2 million in the year ended December 31, 1998 from $6.3 million
in the year ended December 31, 1997, an increase of 158%.
 
                                       14
<PAGE>   16
 
Professional services revenues represented 67% of total revenues in the year
ended December 31, 1998 compared to 58% of total revenues in the year ended
December 31, 1997. This increase in professional services revenue in 1998 was
driven by projects at a number of large financial services companies.
Additionally, during 1998, S1 began performing professional services related to
product enhancement projects, which include the initial development of an
insurance product, incorporation of BroadVision's One-to-One marketing with
Virtual Financial Manager and the integration of a new bill payment provider.
Also, in 1997 S1 was limited in the amount it could bill for professional
services because of fixed pricing for implementation services contained in
initial contracts. The increase in revenue in 1998 is also attributable to
increases in pass-through costs related to implementations.
 
     Data Center.  Data center revenues increased by $2.8 million to $3.2
million in the year ended December 31, 1998 from $411,000 in the year ended
December 31, 1997, an increase of 674%. Data center revenues represented 13% of
total revenues in the year ended December 31, 1998 compared to 4% of total
revenues in the year ended December 31, 1997. This increase can be attributed to
increased end-user demand for S1's internet financial applications, the
initiation of minimum fees based on capacity requirements and increased
maintenance fees. The average quarterly revenue per billable end-user increased
to $15.21 in the fourth quarter 1998 from $9.55 in the fourth quarter 1997.
Management anticipates that the average quarterly revenue per billable end-user
will decrease as financial services entities increase the number of their
customers using the product.
 
     Revenues associated with the data center are directly influenced by the
number of financial services entities that are using Virtual Financial Manager
products through the S1 data center and the number of end-users of these
financial services entities. During the month of December 1998, the data center
processed in excess of 148,000 internet accounts, representing approximately
93,000 end-users. This represents an increase of 199% in the number of accounts
processed from approximately 49,500 and an increase of 184% in the number of
end-users from approximately 32,700 for the month of December 1997.
 
  Direct Costs
 
     Direct costs increased by $4.3 million to $18.2 million in the year ended
December 31, 1998 from $13.9 million in the year ended December 31, 1997, an
increase of 31%. Direct costs represented 76% of total revenues in the year
ended December 31, 1998 compared to 128% of total revenues in the year ended
December 31, 1997.
 
     Software License Costs.  Direct software license costs consist primarily of
the cost of third-party software used in the Virtual Financial Manager suite.
Direct costs associated with software licenses decreased by $1.1 million to
$503,000 in the year ended December 31, 1998 from $1.6 million in the year ended
December 31, 1997, a decrease of 69%. Direct software license costs in 1998
consisted primarily of the cost of third-party software used in Relationship
Management, whereas direct software license costs in 1997 consisted primarily of
the amortization of purchased technology. This purchased technology included
technology acquired in previous acquisitions and software development costs paid
to a contractor in 1995 and 1996. These costs have been amortized using the
straight line method over a period of three years, which is the amount
representing the greater of the amortization using the straight-line method or
the ratio of current revenues to total anticipated revenues. During the fourth
quarter of 1997, S1 wrote off the remaining unamortized balance of goodwill and
purchased technology associated with 1996 acquisitions after determining that
there were minimal future cash flows expected to be derived from these
intangible assets as discussed further below. Direct costs associated with
software licenses represented 11% of software license fees in the year ended
December 31, 1998 compared to 39% of software license fees in the year ended
December 31, 1997.
 
     Professional Services Costs.  Direct professional services costs consist of
primarily personnel and related infrastructure costs. Direct costs associated
with professional services increased by $5.2 million to $10.5 million in the
year ended December 31, 1998 from $5.3 million in the year ended December 31,
1997, an increase of 97%. In addition to increases in personnel, S1 experienced
delays in early implementations of Virtual Financial Manager, due to integration
issues with clients' legacy mainframe systems which resulted in increased
implementation costs and loss accruals for some fixed-fee contracts. Currently,
S1 is in the process
 
                                       15
<PAGE>   17
 
of converting all financial services entities to Virtual Financial Manager
version 4.0. These conversions will require a significant portion of S1's
implementation resources, and consequently, management anticipates that
professional services margins will decrease in the next few quarters, due both
to the deployment of such resources and the potential discounting of services
related to these implementations. Direct costs associated with professional
services represented 65% of professional services revenues in the year ended
December 31, 1998 compared to 85% of professional services revenues in the year
ended December 31, 1997.
 
     Data Center Costs.  Direct data center costs consist of personnel and
computer equipment costs. Direct costs associated with data center services
increased by $271,000 to $7.2 million in the year ended December 31, 1998 from
$6.9 million in the year ended December 31, 1997, an increase of 4%. The
increase in direct data center costs is primarily attributable to the
establishment of the basic infrastructure of personnel and equipment needed to
process accounts for the growing number of end-users of our financial services
clients. In an effort to contain data center costs, S1 ended its data center
facilities management agreement with a third party. S1 experienced cost savings
of approximately $300,000 in the fourth quarter of 1998 from both the
elimination of the cost-plus arrangement and the ability to use more efficiently
the existing infrastructure. As a result of the termination of this agreement,
two financial institutions, which had a limited number of end-users using the
data center, elected not to enter into data center contracts with S1. Since
these institutions were relatively inactive, management does not anticipate this
to have a significant impact on revenues. Based on current costs, management
anticipates that the data center will reach a break-even gross margin when
approximately 200,000 end-users are processed on a monthly basis. Direct data
center costs represented 227% of data center revenues in the year ended December
31, 1998 compared to 1,690% of data center revenues in the year ended December
31, 1997 (see note 5 to S1's consolidated financial statements).
 
  Operating Expenses
 
     Operating expenses increased by $9.4 million to $35.1 million in the year
ended December 31, 1998 from $25.7 million in the year ended December 31, 1997,
an increase of 36%.
 
     Selling and Marketing.  Selling and marketing expenses increased by
$418,000 to $4.7 million in the year ended December 31, 1998 from $4.3 million
in the year ended December 31, 1997, an increase of 10%. Selling and marketing
expenses were 20% of total revenues in the year ended December 31, 1998 compared
to 40% of total revenues in the year ended December 31, 1997. The dollar
increase was due primarily to an increase in the provision for uncollected
receivables as a result of the increased revenues in 1998. The decrease in
selling and marketing expenses as a percentage of sales was due to S1's ability
to leverage its relatively fixed selling and marketing expenses over a larger
revenue base.
 
     Product Development.  Product development expenses increased by $4.1
million to $14.6 million in the year ended December 31, 1998 from $10.5 million
in the year ended December 31, 1997, an increase of 39%. Product development
expenses were 61% of total revenues in the year ended December 31, 1998 compared
to 97% of total revenues in the year ended December 31, 1997. The dollar
increase relates primarily to an increase in personnel expenses for additional
product development initiatives. During 1998, S1 completed the development of
Virtual Financial Manager version 4.0 which will provide operational
efficiencies and improve the stability of the core product. S1 will be
consolidating all existing clients on this version of the software by the third
quarter 1999. S1 added loan functionality to the banking module with this
release which will allow end users to view loan balances and make loan payments.
In addition, during 1998 S1 released its Investments product and its
Relationship Management product, which integrates BroadVision's "One-to-One"
marketing suite of software products with Virtual Financial Manager. The
increase in product development costs represents management's commitment to
enhancing the current Virtual Financial Manager products by migrating the
existing products to more efficient software architecture and to developing new
Virtual Financial Manager applications. The decrease as a percentage of S1's
total revenues in the year ended December 31, 1998 from the year ended December
31, 1997 resulted from its ability to leverage product development expenses over
a larger revenue base.
 
     General and Administrative.  General and administrative expenses increased
by $1.4 million to $6.0 million in the year ended December 31, 1998 from $4.6
million in the year ended December 31, 1997, an increase
 
                                       16
<PAGE>   18
 
of 29%. General and administrative expenses were 25% of total revenues in the
year ended December 31, 1998 compared to 43% of total revenues in the year ended
December 31, 1997. A portion of the dollar increase is attributable to charges
related to the termination of the facilities management agreement for the data
center discussed in depreciation and amortization below. In addition, general
and administrative expenses for 1998 include a charge of approximately $600,000
for professional fees related to an unsuccessful transaction. The remaining
increase relates to the expanded personnel infrastructure to manage S1's growth.
The decrease as a percentage of our total revenues in the year ended December
31, 1998 from the year ended December 31, 1997 resulted from our ability to
leverage general and administrative expenses over a larger revenue base.
 
     Depreciation and Amortization.  Depreciation and amortization expenses
increased by $3.6 million to $5.3 million in the year ended December 31, 1998
from $1.7 million in the year ended December 31, 1997, an increase of 207%.
Depreciation and amortization expenses were 22% of total revenues for the year
ended December 31, 1998 compared to 16% of total revenues in the year ended
December 31, 1997. The increase was due primarily to a one-time charge of
approximately $1.2 million related to the termination of an outsourcing contract
for the data center. In addition, S1 wrote-off computer equipment totaling
approximately $500,000 as the result of a physical inventory performed in 1998.
The remaining increase in depreciation and amortization related to increased
technology purchases in 1998 as a result of S1's growth.
 
     Amortization of Goodwill.  Amortization of goodwill and acquisition charges
decreased $141,000 to $4.4 million in the year ended December 31, 1998 from $4.5
million in the year ended December 31, 1997, a decrease of 3%. Amortization of
goodwill and acquisition charges were 18% of total revenues in the year ended
December 31, 1998 compared to 42% of total revenues in the year ended December
31, 1997. Included in the 1997 amortization of goodwill and acquisition charges
are one-time charges of $1.4 million for the write-off of goodwill and purchased
technology from previous acquisitions discussed further below. Excluding this
charge in 1997, amortization of goodwill increased $1.3 million to $4.4 million
in the year ended December 31, 1998 from $3.1 million in the year ended December
31, 1997, an increase of 40%. The increase related to the amortization of
goodwill and other identifiable intangible assets resulting from the acquisition
of Solutions by Design, Inc. in November 1997.
 
YEAR ENDED DECEMBER 31, 1997 COMPARED TO YEAR ENDED DECEMBER 31, 1996
 
     During 1996, S1 acquired Five Paces, Inc. and SecureWare, Inc. Both
acquisitions were accounted for using the purchase method and, accordingly,
results of operations for the period from the date of acquisition through
December 31, 1996 are included in the 1996 results.
 
  Revenues
 
     S1's total revenues increased by $9.5 million to $10.8 million for the year
ended December 31, 1997 from $1.3 million in the year ended December 31, 1996.
The primary components of 1997 revenue were $4.1 million in software license
fees, $6.3 million in professional service fees and $411,000 in data center
fees.
 
     Software Licenses.  Software license fees increased by $3.6 million to $4.1
million in the year ended December 31, 1997 from $512,000 in the year ended
December 31, 1996, an increase of 709%. Software license fees represented 38% of
total revenues in the year ended December 31, 1997 compared to 40% of total
revenues in the year ended December 31, 1996. This increase in software license
fees is attributable to the increase in in-house installations during 1997 as
compared to 1996. At the end of 1997, four in-house installations of Virtual
Financial Manager were substantially complete.
 
     In addition, in August 1997, S1 licensed Virtual Financial Manager to four
institutions for $8.2 million. These license fees have been recorded as deferred
revenue and are recognized using the subscription method over a period of three
years.
 
     Professional Services.  Professional services revenues increased by $5.6
million to $6.3 million in the year ended December 31, 1997 from $699,000 in the
year ended December 31, 1996, an increase of 798%. Professional services
revenues represented 58% of total revenues in the year ended December 31, 1997
compared to 55% of total revenues in the year ended December 31, 1996. During
1997, S1 completed the
 
                                       17
<PAGE>   19
 
installation of Virtual Financial Manager for six financial institutions in the
S1 data center, one third party data processing center and four financial
institutions operating their own data centers. This compares to a total of two
implementations completed during 1996, both using the S1 data center.
 
     Data Center.  Data center revenues increased by $355,000 to $411,000 in the
year ended December 31, 1997 from $56,000 in the year ended December 31, 1996,
an increase of 634%. Data center revenues represented 4% of total revenues in
the year ended December 31, 1997 compared to 4% of total revenues in the year
ended December 31, 1996. At the end of 1997, eight financial institutions were
implemented in the S1 data center. This compares to a total of two institutions
implemented in the S1 data center at the end of 1996. During the month of
December 1997, the S1 data center processed in excess of 49,000 accounts
representing approximately 32,700 end-users. Typically there is a time lag
between the completion of an implementation and the ramp-up of end-users by the
financial institution. As a result, over 98% of the accounts processed during
December 1997 were attributable to four of the eight institutions implemented at
the end of 1997.
 
  Direct Costs
 
     Direct costs increased by $10.3 million to $13.9 million in the year ended
December 31, 1997 from $3.6 million in the year ended December 31, 1996, an
increase of 286%. Direct costs represented 128% of total revenues in the year
ended December 31, 1997 compared to 284% of total revenues in the year ended
December 31, 1996.
 
     Software License Costs.  Direct costs associated with software licenses
increased by approximately $809,000 to $1.6 million in the year ended December
31, 1997 from $796,000 in the year ended December 31, 1996, an increase of 102%.
Direct software license costs in 1997 and in 1996 consisted mainly of the
amortization of purchased technology. This purchased technology included
technology acquired in previous acquisitions and software development costs paid
to a contractor in 1995 and 1996. These costs have been amortized using the
straight line method over a period of three years, which is the amount
representing the greater of the amortization using the straight-line method or
the ratio of current revenues to total anticipated revenues. During the fourth
quarter of 1997, S1 wrote off the remaining unamortized balance of goodwill and
purchased technology associated with acquisitions in 1996 after determining that
there were minimal future cash flows expected to be derived from these
intangible assets as discussed further below. Direct costs associated with
software licenses represented 39% of software license fees in the year ended
December 31, 1997 compared to 155% of software license fees in the year ended
December 31, 1996.
 
     Professional Services Costs.  Direct costs associated with professional
services increased by $4.8 million to $5.3 million in the year ended December
31, 1997 from $535,000 in the year ended December 31, 1996, an increase of 899%.
Direct costs associated with professional services represented 85% of
professional service revenues in the year ended December 31, 1997 compared to
77% of professional services revenues in the year ended December 31, 1996. The
increase in direct costs in the year ended December 31, 1997 related to delays
in implementations of Virtual Financial Manager due to integration issues with
institutions' legacy mainframe systems which resulted in increased
implementation costs and loss accruals for some fixed-fee contracts. In
addition, the impact of the delays and contract provisions discussed above was
experienced mostly during 1997, as there were a greater number of
implementations in 1997 than there were in 1996.
 
     Data Center Costs.  Direct costs associated with data center services
increased by $4.6 million to $6.9 million in the year ended December 31, 1997
from $2.3 million in the year ended December 31, 1996, an increase of 207%. The
increase in direct data center costs is primarily attributable to the
establishment of the basic infrastructure of personnel and equipment needed to
process accounts for the growing number of our financial services clients.
Direct data center costs represented 1,690% of data center revenues in the year
ended December 31, 1997 compared to 4,046% of data center revenues in the year
ended December 31, 1996.
 
  Operating Expenses
 
     Operating expenses increased by $8.5 million to $25.7 million in the year
ended December 31, 1997 from $17.2 million in the year ended December 31, 1996,
an increase of 50%.
 
                                       18
<PAGE>   20
 
     Selling and Marketing.  Selling and marketing expenses increased by $2.1
million to $4.3 million in the year ended December 31, 1997 from $2.2 million in
the year ended December 31, 1996, an increase of 100%. Selling and marketing
expenses were 40% of total revenues in the year ended December 31, 1997 compared
to 170% of total revenues in the year ended December 31, 1996. The dollar
increase was due primarily to an increase in sales and marketing personnel costs
and an increase in general marketing and advertising expenditures to increase
awareness of Virtual Financial Manager products in the financial services
community. The decrease in selling and marketing expenses as a percentage of
sales was due to S1's rapid revenue growth from 1996 to 1997.
 
     Product Development.  Product development expenses increased by $6.5
million to $10.5 million in the year ended December 31, 1997 from $4.0 million
in the year ended December 31, 1996, an increase of 160%. Product development
expenses were 97% of total revenues in the year ended December 31, 1997 compared
to 320% of total revenues in the year ended December 31, 1996. The 1996
acquisitions of Five Paces, Inc. and SecureWare, Inc. resulted in an increase in
product development expenses with the increase in personnel costs from the
addition of these employees. The increase in personnel costs was necessary as S1
was increasing its software development activities. Also during the fourth
quarter of 1997, S1 abandoned research and development efforts known as Webtone
after expending approximately $300,000 on this project in the year ended
December 31, 1997.
 
     General and Administrative.  General and administrative expenses increased
by $1.0 million to $4.6 million in the year ended December 31, 1997 from $3.6
million in the year ended December 31, 1996, an increase of 28%. General and
administrative expenses were 43% of total revenues in the year ended December
31, 1997 compared to 287% of total revenues in the year ended December 31, 1996.
S1 experienced significant growth since May 1996. The increase in general and
administrative expenses is the result of the combination of having a full year
of expense reflected in 1997 compared to approximately eight months in 1996 and
increased personnel costs and staffing associated with supporting the increased
staffing levels of S1.
 
     Depreciation and Amortization.  Depreciation and amortization expenses
increased by $1.5 million to $1.7 million in the year ended December 31, 1997
from $256,000 in the year ended December 31, 1996, an increase of 580%.
Depreciation and amortization expenses were 16% of total revenues for the year
ended December 31, 1997 compared to 20% of total revenues in the year ended
December 31, 1996. The dollar increase was due to the increase in computer
equipment from expansion of S1's operations.
 
     Amortization of Goodwill.  Amortization of goodwill and acquisition charges
decreased $2.6 million to $4.5 million in the year ended December 31, 1997 from
$7.1 million in the year ended December 31, 1996, a decrease of 36%.
Amortization of goodwill and acquisition charges were 42% of total revenues in
the year ended December 31, 1997 compared to 558% of total revenues in the year
ended December 31, 1996. Included in the 1997 amortization of goodwill and
acquisition charges are one-time charges of $1.4 million for the write-off of
goodwill and purchased technology from previous acquisitions discussed further
below. In addition, S1 recorded intangible assets and goodwill of approximately
$6.2 million from the acquisition of Solutions by Design, Inc. during 1997, of
which $1.4 million was amortized during the fourth quarter of 1997.
Additionally, S1 has included $489,000 of nonrecurring charges associated with
the Solutions by Design acquisition in amortization of goodwill and acquisition
charges for 1997. These amounts represent the premium paid to Solutions by
Design by S1 for services rendered during the fourth quarter of 1997 prior to
the consummation of the acquisition. Included in the 1996 amortization of
goodwill and acquisition charges are one-time charges of $6.8 million for
acquired in-process research and development related to 1996 acquisitions.
 
     During the fourth quarter of 1997, S1 made the strategic decision to
refocus the resources which had been involved in the development and marketing
of the network security products acquired from SecureWare towards the Virtual
Financial Manager suite of products and related services. In addition, as a
result of a significant re-write of S1's Banking product, management did not
anticipate that there would be significant future sales of the version acquired
from Five Paces. As a result, S1 wrote off the balance of the intangible assets
from the SecureWare and Five Paces acquisitions.
 
                                       19
<PAGE>   21
 
IN-PROCESS RESEARCH AND DEVELOPMENT
 
     In connection with the 1996 acquisitions discussed above, $2.8 million in
goodwill and other intangible assets was recorded. Based on an evaluation of the
intangibles acquired, a total of $6.8 million was charged to the consolidated
statement of operations immediately following the acquisitions as in-process
research and development.
 
     Management estimated that $3.5 million of the purchase price of Five Paces
and $3.3 million of the purchase price for SecureWare represented purchased
in-process technology that had not reached technological feasibility and had no
alternative future use at the dates of acquisition. These amounts were expensed
as non-recurring charges in 1996.
 
     The value assigned to purchased in-process research and development was
determined by identifying on-going research and development projects in areas
for which technological feasibility had not been established. For Five Paces,
these projects included Virtual Brokerage Manager, currently referred to as
Investments, a new software product that assists with investments via the
internet; Virtual Credit Card Manager, now referred to as Credit Card; an add-on
to Virtual Bank Manager, now referred to as Banking, which allows online
monitoring of credit card balances; and Banking 3.0, which represents an updated
version of the existing software and features additional functionality.
SecureWare's projects in-process included new releases of its existing products,
HannaH, a network security product designed to provide secure network
communications through cryptography; Troy, which is designed to provide virus
prevention and software configuration control through cryptography; and
SecureMail, a secure electronic e-mail package which uses cryptography to
encrypt e-mail.
 
     The value was determined by estimating the costs to develop the purchased
in-process technologies into commercially viable products; estimating the
resulting net cash flows from such projects; and discounting the net cash flows
back to their present value using a rate of return commensurate with the risks
associated with the incomplete technologies.
 
     The nature of the efforts to develop the purchased in-process technologies
into commercially viable products principally relate to the design, programming,
testing, debugging, and documentation efforts typically required in order to
produce commercially viable software programs with the intended functions,
features, and technical performance requirements. At the time of the
acquisition, the estimated costs required to complete the in-process
technologies acquired from Five Paces were $161,000 in fiscal year 1996 and
$29,000 in fiscal year 1997. The estimated costs required to complete the
in-process technologies acquired from SecureWare, as of the date of its
acquisition, were $78,000 in fiscal year 1996.
 
     The resulting net cash flows from the in-process projects are based on S1
management's estimates of revenues, cost of sales, operating expenses, and
income taxes. Additionally, net cash flows were adjusted to allow for a return
on other assets employed by S1, including net working capital, fixed assets,
other intangible assets, and the current technology. These estimates are based
on the following assumptions.
 
     - The estimated revenues for the in-process technology acquired from Five
       Paces were projected to grow from $266,000 in fiscal year 1996 to $32.3
       million in fiscal year 1999. The estimated revenues for the in-process
       technology acquired from SecureWare were projected to grow from $3.5
       million in fiscal year 1997 to $13.3 million in fiscal year 1999. These
       projections are based upon management's experience with predecessor
       projects and industry expectations for similar, successor projects. The
       gross margins anticipated in the appraisal reflected a sales mix that
       primarily consisted of direct license revenues. Since the appraisal was
       completed, a significant number of customers have decided to use the
       product through the S1 data center rather than license the product
       directly and use their own data processing environment. Accordingly, the
       weighted average gross margin for S1 has been less than originally
       anticipated due to the revenue streams being weighted toward lower margin
       data center revenues. Although the sales mix has shifted from the higher
       margin direct license revenues, the data center revenues are anticipated
       to be realized over a longer term. Therefore, management believes that
       the value of this revenue stream would support a similar value for the
       in-process projects acquired from
 
                                       20
<PAGE>   22
 
       Five Paces. For SecureWare, the projected revenues also included payment
       for consulting services associated with the installation, customization,
       and training for the in-process products.
 
     - Cost of sales and operating expenses were similarly based on management's
       experience with similar projects and consistent with historical financial
       results. For Five Paces, management's expectations of rapid revenue
       growth (100% in fiscal year 1998 and 55% in fiscal year 1999), along with
       projected cost stability once the in-process products gained market
       acceptance, led to expectations of significant increases in profit
       margins in those years. For SecureWare, management anticipated a
       relatively constant cost structure and profit margin over the expected
       life of the in-process technology.
 
     - As of the acquisition dates, the acquired in-process projects had not
       demonstrated technological or economic feasibility. As a result, the
       attainability of the income projections provided by management is subject
       to three additional risk components which were factored into the value of
       each project. The three risk factors considered were project risk,
       product risk, and market risk. To assess risk, management rated each type
       of risk on a scale from very low to very high. The ratings were then
       translated into probability percentages associated with each indicated
       level of uncertainty for each project. The combination of the risk
       factors resulted in a downward adjustment to the value derived from an
       unadjusted discounted cash flow approach.
 
     - Since the cash flows associated with the acquired in-process research and
       development are due in part to the deployment of both tangible and
       intangible assets, a charge was applied to the projected cash flows to
       allow for a return on these other assets. The returns charged on these
       other assets employed ranged from six to ten percent of their estimated
       fair values. Other assets employed include working capital, fixed assets,
       current software technology, and a work force-in-place.
 
     - As part of the acquisitions, S1 acquired existing products currently in
       use and marketed by the two acquired companies. The core product for Five
       Paces was Virtual Financial Manager, a suite of software products being
       designed to allow customers remote access to all aspects of their balance
       sheet via the internet or a dial-up connection through their financial
       institution. Existing SecureWare products included the current versions
       of HannaH, Troy, and SecureMail. The value of the acquired software
       technology was estimated through the income approach. Under this
       approach, the fair value is based on the present value of the expected
       income to be derived from the existing technology. To determine the value
       under this approach, S1 developed an estimate of future revenues and
       costs applicable to the commercial exploitation of the current
       technology. Since the cash flows associated with the current technology
       are due in part to the deployment of other assets, a charge was applied
       to the projected cash flows to allow for a return on those assets. The
       cash flows associated with the current products were then discounted to
       present value at a discount rate commensurate with the current product
       portfolio's level of risk. Once the value of the current technologies was
       determined, a capital charge for the use of these technologies was
       applied to the cash flows of the in-process technologies. This charge
       includes both a return on capital of 10%, as well as a return of capital
       invested in the current technologies.
 
     - For SecureWare in-process research and development, the discount rate
       used was 28%. For Five Paces, the discount rate applied to the in-process
       technologies was 38%. Several methods were considered for estimating the
       discount rate applicable to the in-process technologies. First, the
       overall discount rate in each transaction was determined by comparing the
       expected future cash flows from each business with the purchase price
       paid. The implied discount rate is the rate necessary to discount the
       projected free cash flows back to a present value equal to the purchase
       price. A market-derived rate was also estimated for each company. The
       market-derived rate is based on the estimated weighted average cost of
       capital for Five Paces and SecureWare. The weighted average cost of
       capital is the implied rate of return an investor would require for an
       investment in a company with similar risk and business characteristics to
       each of the two acquisitions. It is determined by examining market
       information for several comparable companies, using this information to
       estimate an equity cost of capital (using the capital asset pricing
       model), determining the applicable cost of debt and calculating a
       weighted average of the two rates. As a third approach, rates of return
       demanded by venture capital investors for
 
                                       21
<PAGE>   23
 
       investments in start-up companies with similar risks to those of the
       in-process products, were researched and reviewed.
 
     - The higher rate of return for Five Paces is consistent with the higher
       risks and higher anticipated returns associated with those in-process
       technologies. SecureWare's in-process technologies represented new
       versions of existing products. Once completed, these standardized
       products could provide security to a wide range of network and internet
       applications. SecureWare's historical commercial relationships included
       such lower risk customers such as the U.S. Government and
       Hewlett-Packard. In contrast, the Five Paces in-process technologies were
       applications for an entirely new industry: internet banking. Security
       First Network Bank was the first internet bank and the long-term success
       and viability of this industry is not yet proven or certain. There is a
       significantly greater risk associated with an investment in this type of
       application.
 
     - For both Five Paces and SecureWare, the discount rate applied to the
       in-process technologies was greater than the anticipated overall return
       expected on each company as a whole. The overall rate of return does not
       reflect the risk specific to a particular project or product. The
       in-process research and development is similar to a venture capital
       investment because there are no current revenues and the technical and
       commercial viability of the products under development is unproven and
       risky. The rates applied to the in-process research and development of
       SecureWare and Five Paces are similar to the rates demanded by venture
       capital investors for investments in start-up companies with similar
       risks to those of the in-process products.
 
     The following is a status update on the three in-house projects and
technologies acquired from Five Paces and a comparison of actual results to the
assumptions underlying the valuations:
 
     Banking.  At the time the appraisal was completed, Banking version 3.0,
which is built on a two-tier architecture, was anticipated to be completed in
the fourth quarter of 1996 and installed in the S1 data center in the early part
of 1997. Further, management anticipated that a three-tier version of Banking
would be completed and implemented in 1997 and thereby limit the revenues
associated with the Banking 3.0 product.
 
     The Banking 3.0 product was completed in the latter part of 1996 and
installed at both customer locations and the S1 data center in early 1997.
However, based on additional customer requirements for the Banking 3.0 version,
management deferred the Banking three-tier development effort and continue
developing additional functionality for the Banking 3.0 version. During 1997, S1
released additional versions of the Banking 3.X product to its existing customer
base. Additionally, S1 determined that an intermediate release of the Banking
product, Banking 4.0, which had extensive additional new functionality, would be
required prior to the development and release of a three-tier Banking product.
Installations of Banking 4.0 began in the fourth quarter 1998.
 
     The licensing and data center revenues actually realized from the Banking
3.0 product release have been greater than the amounts anticipated within the
appraisal due to the longer than expected life of the product. The costs
associated with the completion of the initial version of Banking 3.0 were
consistent with the anticipated costs reflected in the valuation.
 
     Credit Card.  The credit card product was completed and delivered into
production in August 1996, both on schedule and within the costs anticipated in
the valuation. The revenues for the credit card product have been lower than
originally anticipated in the appraisal due to lower than expected near-term
demand for the product in the marketplace. However, in the latter part of 1997
and 1998, a number of licenses have been sold for the credit card product and
management anticipates that the revenues projected in the valuation will be
realized from the new license sales.
 
     Investments.  As noted in the appraisal, the project development effort on
this product began in January 1996 with an estimated completion date of February
1997. In February 1997, a two-tier architecture beta version of the Investments
product was tested on schedule and at a cost consistent with the projected costs
contained within the appraisal. Based upon the completed testing and discussions
with major customers regarding the scalability of the product, it was determined
that the Investments product would have to be redesigned on a three-tier
architecture to meet the requirements of the market. Further, S1 determined that
                                       22
<PAGE>   24
 
the majority of its resources would have to be allocated to the continued
upgrading of the Banking product. This decision resulted in limiting the further
development of Investments until such time as potential customers for the
Investments product agreed to fund the development effort for a three-tier
Investments product. In the latter part of the third quarter of 1997, S1 sold,
on a pre-paid basis, four licenses for a three-tier Investments product totaling
$4.0 million, with a commitment to deliver a fully functional product sometime
in the future. The Investments development effort was restarted in the fourth
quarter of 1997 and testing of a three-tier beta version 1.0 of the software
began in the second quarter of 1998. Management anticipates that Investments
version 2.0 will be completed and tested and become generally available for
installation in 1999.
 
     Due to the $8.2 million in license sales made in the third quarter 1997,
the cash flows for direct licenses are greater than the amounts projected in the
appraisal. However, since it was determined that the Investments product
required a further development effort to upgrade the product to a three-tier
architecture prior to general release to customers, the data center processing
revenues anticipated in the appraisal have not been realized at this time.
Management anticipates that the projected data center revenues will be realized
in 1999 after the introduction of the Investments product which occurred in
1998.
 
CONSOLIDATED QUARTERLY OPERATING RESULTS
 
     The following table sets forth certain unaudited consolidated quarterly
statement of operations data and such data as a percentage of total revenues for
the years ended December 31, 1997 and 1998. In the opinion of management, this
unaudited information has been prepared on substantially the same basis as the
consolidated financial statements appearing elsewhere in this annual report and
includes all adjustments (consisting of normal recurring adjustments) necessary
to present fairly the unaudited consolidated quarterly data. The unaudited
consolidated quarterly data should be read in conjunction with the audited
consolidated financial statements and notes thereto appearing elsewhere in this
annual report. The results for any quarter are not necessarily indicative of
results for any future period.
 
<TABLE>
<CAPTION>
                                                                          THREE MONTHS ENDED
                                        ---------------------------------------------------------------------------------------
                                        MAR. 31,   JUNE 30,   SEPT. 30,   DEC. 31,   MAR. 31,   JUNE 30,   SEPT. 30,   DEC. 31,
                                          1997       1997       1997        1997       1998       1998       1998        1998
                                        --------   --------   ---------   --------   --------   --------   ---------   --------
                                                                 (IN THOUSANDS EXCEPT PER SHARE DATA)
<S>                                     <C>        <C>        <C>         <C>        <C>        <C>        <C>         <C>
Revenues:
  Software licenses...................  $   673    $ 1,187     $ 1,094    $ 1,188    $   669    $   770     $ 1,069    $ 2,273
  Professional services...............      973      1,605       1,661      2,038      2,449      3,185       4,549      6,035
  Data center.........................       24         90         122        175        310        594         927      1,350
                                        -------    -------     -------    -------    -------    -------     -------    -------
        Total revenues................    1,670      2,882       2,877      3,401      3,428      4,549       6,545      9,658
                                        -------    -------     -------    -------    -------    -------     -------    -------
Direct costs:
  Software licenses...................      490        484         391        240         20         20          20        443
  Professional services...............    1,237      1,433       1,157      1,519      1,570      2,230       2,806      3,921
  Data center.........................    1,507      1,717       1,854      1,869      1,823      1,825       1,937      1,633
                                        -------    -------     -------    -------    -------    -------     -------    -------
        Total direct costs............    3,234      3,634       3,402      3,628      3,413      4,075       4,763      5,997
                                        -------    -------     -------    -------    -------    -------     -------    -------
Operating expenses:
  Selling and marketing...............    1,083      1,088         992      1,142      1,071      1,137         955      1,560
  Product development.................    2,375      2,524       2,696      2,912      3,383      3,607       3,717      3,918
  General and administrative..........    1,369      1,098         991      1,179      1,204      1,236       1,370      2,184
  Depreciation and amortization.......      310        370         401        660        637        652         761      3,297
  Amortization of goodwill and
    acquisition charges...............      341        346         346      3,492      2,088      2,083         110        103
                                        -------    -------     -------    -------    -------    -------     -------    -------
        Total operating expenses......    5,478      5,426       5,426      9,385      8,383      8,715       6,913     11,062
                                        -------    -------     -------    -------    -------    -------     -------    -------
</TABLE>
 
                                       23
<PAGE>   25
 
<TABLE>
<CAPTION>
                                                                          THREE MONTHS ENDED
                                        ---------------------------------------------------------------------------------------
                                        MAR. 31,   JUNE 30,   SEPT. 30,   DEC. 31,   MAR. 31,   JUNE 30,   SEPT. 30,   DEC. 31,
                                          1997       1997       1997        1997       1998       1998       1998        1998
                                        --------   --------   ---------   --------   --------   --------   ---------   --------
                                                                 (IN THOUSANDS EXCEPT PER SHARE DATA)
<S>                                     <C>        <C>        <C>         <C>        <C>        <C>        <C>         <C>
Operating loss........................   (7,042)    (6,178)     (5,951)    (9,612)    (8,368)    (8,241)     (5,131)    (7,401)
Interest income.......................      419        351         346        365        255        135          52        141
                                        -------    -------     -------    -------    -------    -------     -------    -------
Loss from continuing operations.......  $(6,623)   $(5,827)    $(5,605)   $(9,247)   $(8,113)   $(8,106)    $(5,079)   $(7,260)
                                        =======    =======     =======    =======    =======    =======     =======    =======
Basic and diluted net loss per common
  share from continuing operations....  $ (0.80)   $ (0.69)    $ (0.62)   $ (0.93)   $ (0.77)   $ (0.75)    $ (0.45)   $ (0.63)
                                        =======    =======     =======    =======    =======    =======     =======    =======
Weighted average number of shares of
  common stock outstanding............    8,276      8,444       9,061      9,892     10,524     10,763      11,176     11,597
                                        =======    =======     =======    =======    =======    =======     =======    =======

                                                                  AS A PERCENTAGE OF TOTAL REVENUES:
Revenues:
  Software licenses...................       41%        41%         38%        35%        20%        17%         16%        24%
  Professional services...............       58         56          58         60         71         70          70         62
  Data center.........................        1          3           4          5          9         13          14         14
                                        -------    -------     -------    -------    -------    -------     -------    -------
        Total revenues................      100        100         100        100        100        100         100        100
                                        -------    -------     -------    -------    -------    -------     -------    -------
Direct costs:
  Software licenses...................       30         17          14          7          1          1          --          4
  Professional services...............       74         50          40         45         46         49          43         41
  Data center.........................       90         59          64         55         53         40          30         17
                                        -------    -------     -------    -------    -------    -------     -------    -------
        Total direct costs............      194        126         118        107        100         90          73         62
                                        -------    -------     -------    -------    -------    -------     -------    -------
Operating Expenses:
  Selling and marketing...............       65         38          35         33         31         25          14         16
  Product development.................      142         87          94         86         99         79          57         41
  General and administrative..........       82         38          34         35         35         27          21         23
  Depreciation and amortization.......       19         13          14         19         18         14          11         34
  Amortization of goodwill and
    acquisition charges...............       20         12          12        103         61         46           2          1
                                        -------    -------     -------    -------    -------    -------     -------    -------
        Total operating expenses......      328        188         189        276        244        191         105        115
                                        -------    -------     -------    -------    -------    -------     -------    -------
Operating loss........................     (422)      (214)       (207)      (283)      (244)      (181)        (78)       (77)
Interest income.......................       25         12          12         11          7          3          --          2
                                        -------    -------     -------    -------    -------    -------     -------    -------
Loss from continuing operations.......     (397)%     (202)%      (195)%     (272)%     (237)%     (178)%       (78)%      (75)%
                                        =======    =======     =======    =======    =======    =======     =======    =======
</TABLE>
 
     During the first quarter of 1998, our software licenses revenue decreased
sequentially because we completed several installations of direct licenses in
late 1997 that we were recognizing on a percentage of completion basis. During
the fourth quarter of 1998, our software license direct costs increased as a
result of sales of our Relationship Management product which has third-party
royalty payments.
 
     In an effort to reduce data center costs, S1, which had previously
outsourced the operations of the data center, ended its data center facilities
management agreement. As a result, data center direct costs decreased during the
fourth quarter of 1998, but depreciation and amortization expenses rose. As a
result of the termination of the data center facilities management agreement, S1
purchased approximately $1.8 million of computer equipment. Immediately
thereafter, S1 entered into a sale-leaseback arrangement for this computer
equipment with a third party which is accounted for as a capital lease. S1
recorded a charge which has been included in depreciation and amortization of
approximately $1.2 million to adjust the carrying value of the leased computer
equipment to its fair market value. Depreciation and amortization expenses were
additionally impacted by a $500,000 write-off of computer equipment to reflect
results of a physical inventory and increased technology purchases as a result
of S1's growth.
 
     Also, during the fourth quarter of 1998, our selling and marketing costs
increased due to increased participation in trade shows and growth in sales and
marketing personnel. In addition, general and administrative expenses rose due
mostly to a $600,000 charge for professional fees related to negotiation of a
transaction as to which we did not ultimately enter into an agreement.
 
     Due to the limited operating history of our company, we cannot forecast
operating expenses based on our historical operating results. As a result, we
establish expense levels based in part on future projections of revenues.
Revenues currently depend heavily on our ability to sell software licenses and
implementation and outsourcing services for internet banking solutions. Future
revenues will likely include more data center
 
                                       24
<PAGE>   26
 
revenues, which will depend on our customers' ability to attract and retain
end-users. If actual revenues are less than projected revenues, we may be unable
to reduce expenses proportionately, which could adversely affect our operating
results, cash flows and liquidity.
 
RESULTS OF DISCONTINUED OPERATIONS
 
     On September 30, 1998, S1 completed the sale of its banking operations to a
U.S. based subsidiary of the Royal Bank of Canada. The Royal Bank subsidiary
agreed to pay $3.0 million in excess of the net assets sold. Also, there is a
$1.5 million holdback for indemnification which will be received by S1 18 months
from the closing date if there are no indemnifiable claims. The banking
operations included substantially all of the loans and investment securities as
well as its deposit relationships and were legally separated from the technology
operations through the formation of a holding company and the contribution of
$10.0 million in capital in connection with the sale of the banking operations.
S1 recorded a gain of $812,000 on the sale of its banking operations. The gain
on sale includes a $1.3 million charge related to the estimated fair value of
options to purchase S1's capital stock issued to Royal Bank in March 1998 in
connection with the sale by Security First Network Bank of the banking
operations. The options give Royal Bank the right to purchase 733,818 shares of
common and preferred stock for an aggregate of $10.0 million at prices ranging
from $11.88 to $15.81 per share at specified periods through June 2000. The
first option for 210,438 shares at $11.88 per share was exercised upon vesting
in December 1998.
 
     The losses from the banking operations are reflected in the accompanying
consolidated statements of operations as discontinued operations. Net interest
income for the nine month period ended September 30, 1998 was $1.3 million and
the net loss, excluding the gain on disposal, was $3.1 million. The increase in
the loss from discontinued operations for the three months ended September 30,
1998 is the result of one time charges related to the sale of the banking
operations.
 
     Royal Bank has continued as a customer of S1 through a data center
arrangement. In addition, Royal Bank has entered into technology licensing and
consulting arrangements with S1 for $6.0 million, which were effective upon
closing of the sale of the banking operations.
 
LIQUIDITY AND CAPITAL RESOURCES
 
     Total stockholders' equity decreased to $17.2 million as of December 31,
1998 from $25.1 million at December 31, 1997. The decrease in stockholders'
equity is primarily attributable to the $30.8 million net loss incurred during
1998. This decrease was partially offset by the issuance of 92,593 shares of
common stock to Royal Bank for $1.0 million in March 1998, the issuance of
749,064 shares of preferred stock to a subsidiary of State Farm for $10.0
million on September 30, 1998, the issuance of 181,610 shares of common stock to
BroadVision in connection with licensing BroadVision's "One-to-One" product, the
issuance of 129,702 shares of common stock to BroadVision in exchange for
123,001 shares of BroadVision common stock, and the issuance of 210,438 shares
to Royal Bank's subsidiary for $2.5 million upon exercise of an option.
 
     As part of the Royal Bank agreements signed in March 1998, S1 issued to
Royal Bank's subsidiary four separate options to purchase up to an aggregate
$10.0 million in capital stock of S1. The first option, which was exercised in
December 1998 for 210,438 shares, had a per share exercise price of $11.88. The
second option has a per share exercise price of $13.07 and expires at the end of
June 1999. The third option has a per share exercise price of $14.38 and expires
at the end of December 1999. The fourth option has a per share exercise price of
$15.81 and expires at the end of June 2000. If the second, third and fourth
options are exercised in full, S1 will issue an additional 523,380 shares of
stock over the remaining option period.
 
     At December 31, 1998, S1 had $14.5 million in cash to fund future
operations and $17.5 million in accounts receivable. In January 1999, S1
received $12.0 million in cash for a license agreement, which was included in
accounts receivable at December 31, 1998. For the year ended December 31, 1998,
S1 used $11.9 million in continuing operations compared to $18.6 million in
comparable period in 1997. Management believes that S1 has adequate cash
resources available to fund operations through the next twelve months.
 
                                       25
<PAGE>   27
 
YEAR 2000 READINESS DISCLOSURE STATEMENT
 
     The year 2000 issue relates to the use by many existing computer programs
of only two digits to identify a year in the date field. If not corrected, many
computer applications could fail or create erroneous results by or at the year
2000. S1 recognizes the need to ensure that potential year 2000 software
failures will not adversely impact its operations. The year 2000 issues impact
S1 both on an external basis in connection with the products and services S1
offers to clients, as well as on an internal basis as to its own operations and
systems.
 
     As to external year 2000 issues related to the products and services S1
offers to clients, a company-wide task force, with representation from all major
business units, was established by S1 in 1997 to evaluate and manage the risks,
solutions and cost associated with addressing this issue. The Task Force has
identified all business systems, products and services, including third party
software used by S1 and in conjunction with Virtual Financial Manager, has made
an initial assessment as to whether they are year 2000 compliant, and is
implementing actions for the systems, products and services which are not year
2000 compliant. S1 believes that based on the assessments completed to date,
that material year 2000 issues can be corrected. The failure of S1 or
third-party software which is used by S1 or in conjunction with Virtual
Financial Manager to be year 2000 compliant could have a material adverse impact
on S1's financial position and results of operations.
 
     S1 developed its newest version of the Virtual Financial Manager software,
version 4.0, which was released in 1998, to be year 2000 compliant. Extensive
"time machine" testing has been conducted on Virtual Financial Manager and all
of the underlying software products that it utilizes. As we implement this new
version of Virtual Financial Manager for each of our clients, we also will
conduct complete "end to end" testing. Of 13 systems requiring upgrades to
version 4.0, one was completed by December 31, 1998. Management anticipates that
all clients will be converted to the new version, with testing completed, by
third quarter 1999. Any failure to complete the conversions in a timely manner
could have a material adverse effect on S1's business. These conversions will
require a significant portion of S1's implementation resources. Management
anticipates a reduction in professional services margins for 1999 due to the
deployment of resources and negotiated discounts of services related to these
implementations.
 
     Because S1 is a relatively new enterprise, without old legacy and other
computer systems, the year 2000 issues with respect to S1's internal operations
and systems are not as complex as might otherwise be the case. S1's Task Force
has developed and implemented a strategy to minimize the impact of year 2000
technology problems. S1's strategic plan includes regular reporting of progress
to S1's management and board of directors.
 
     Under the direction of its Task Force, S1 believes it has identified all
hardware, software, networks and other processing platforms, and customer and
vendor dependencies affected by the year 2000 date change. The assessment
included information systems as well as environment systems that are dependent
on embedded microchips, such as security systems, elevators, and telephone
systems. S1 has completed activities related to the assessment phase. While the
assessment phase is essentially complete, S1 will continue to revisit all third
party suppliers throughout 1999 to insure that previously acquired compliance
statements have not changed.
 
     The next phase of the Task Force's plan is a renovation phase which has
been underway since early in 1998. The majority of S1's internal and vendor
systems were year 2000 ready by December 31, 1998, with the remainder targeted
for completion by the second quarter of 1999. All desktop systems have been
tested with failing systems scheduled for replacement. Upgrades for critical
financial and other infrastructure systems have been completed. As to S1's
systems which are vendor supplied, S1 has either had the vendor confirm year
2000 readiness, or has made plans to replace the system.
 
     The Task Force has commenced a testing phase of S1's internal systems,
including testing of incremental changes to hardware and software components.
The testing phase is expected to be completed by June 30, 1999, but will
continue as needed on newly acquired applications and new vendor upgrades.
 
     The costs incurred in addressing the year 2000 problem are being expensed
as incurred in compliance with generally accepted accounting principles. None of
these costs are expected to materially impact the results of operations in any
one period. Significant portions of the costs to be incurred are not expected to
be incremental but rather are related to current development efforts.
 
                                       26
<PAGE>   28
 
     S1 has identified and evaluated potential year 2000 related worst case
scenarios that could result from the failure to identify, test, and validate all
critical date dependent applications and embedded microchips that affect core
business processes and the failure of external forces, such as third party
vendors and utilities, to have properly remedied their systems. Potential worst
case scenarios being addressed include the inability to service customers
through S1's data center, the failure of Virtual Financial Manager, extended
electrical power outages, extended telephone communication outages, ACH and
payroll deposit file transmission difficulties and excessive negative media
coverage.
 
     A contingency plan is being drafted by S1 to address identified potential
worst case scenarios. Alternative solutions for business resumption and
approaches to minimize the impact of each scenario are being formulated. Any
unaddressed year 2000 issue could adversely affect S1's business, financial
condition and results of operations.
 
ITEM 7A.  QUALITATIVE AND QUANTITATIVE DISCLOSURE ABOUT MARKET RISK.
 
     The foreign currency financial statements of S1's Australian operations are
translated into U.S. dollars at current exchange rates, except revenues, costs
and expenses, which are translated at average exchange rates during each
reporting period. Net exchange gains or losses resulting from the translation of
assets and liabilities are accumulated in a separate section of stockholders'
equity titled accumulated other comprehensive income. Therefore, S1's exposure
to foreign currency exchange rate risk occurs when translating the financial
results of S1's Australian operations to U.S. dollars in consolidation. At this
time, S1 does not use instruments to hedge its foreign exposure in Australia
because the effect of foreign exchange rate fluctuations is not material. Net
assets of S1's foreign operations at December 31, 1998 were approximately
$435,000 (U.S.).
 
     S1 is exposed to market risk from changes in its investment securities
available for sale which consists entirely of S1's investments in BroadVision,
Inc. common stock. At December 31, 1998, marketable securities of S1 were
recorded at fair value of approximately $4.0 million. The investment in
BroadVision, Inc. common stock held by S1 has exposure to price risk, which is
estimated as the potential loss in fair value due to a hypothetical change of
10% in quoted market prices. This hypothetical change would reduce S1's
investments as well as S1's unrealized gains on investment securities available
for sale which are included as a component of stockholders' equity. This
hypothetical change would have an immaterial effect on the recorded value of
S1's investment securities available for sale.
 
     S1's only long term liabilities are capital lease obligations at a fixed
rate. Therefore, S1 does not believe there is any material exposure to market
risk changes in interest rates relating to the current or long term liabilities.
 
ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.
 
     See Exhibit 13.1.
 
ITEM 9.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
         FINANCIAL DISCLOSURE.
 
     Not applicable.
 
                                       27
<PAGE>   29
 
                                    PART III
 
ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT.
 
INFORMATION AS TO DIRECTORS AND EXECUTIVE OFFICERS
 
     The following table sets forth the names of our current directors and
executive officers. Also provided is information as to each person's age at
December 31, 1998, the periods during which he has served as a director of S1
and its predecessor, Security First Network Bank, and positions currently held
with S1.
 
<TABLE>
<CAPTION>
                                   AGE AT
                                DECEMBER 31,   DIRECTOR   EXPIRATION
             NAME                   1998        SINCE      OF TERM           POSITIONS HELD WITH S1
             ----               ------------   --------   ----------         ----------------------
<S>                             <C>            <C>        <C>          <C>
Robert W. Copelan, D.V.M......       72          1995        1999      Director
Dorsey R. Gardner.............       56          1998        2001      Director
James S. Mahan, III...........       47          1995        2000      Chairman, Chief Executive Officer,
                                                                         President and Director
Joseph S. McCall..............       49          1998        2001      Director
Howard J. Runnion, Jr.........       69          1995        2000      Director
Robert F. Stockwell...........       44            --          --      Chief Financial Officer and
                                                                         Treasurer
Daniel H. Drechsel............       38            --          --      President and Chief Operating
                                                                         Officer of S1's operating
                                                                         subsidiary
</TABLE>
 
     The following information concerns the principal occupation of each of our
directors and executive officers for the past five years. The executive officers
are elected by the board to serve a one-year term.
 
     Robert W. Copelan, D.V.M. has been President of Copelan & Thornbury, Inc.
in Paris, Kentucky since 1959 and President of R.W. Copelan, PSC in Paris,
Kentucky since 1979. Dr. Copelan is a veterinarian in private practice. From
1987 through September 1996, Dr. Copelan served on the board of directors of
Cardinal Bancshares, Inc. and some of its subsidiaries. He served on the board
of Security First Network Bank from 1995 until its sale in 1998. He has served
as a director of S1 since May 1998. Dr. Copelan is the stepfather of James S.
Mahan, III, S1's Chairman, President and Chief Executive Officer.
 
     Dorsey R. Gardner has served as a director of S1 since his appointment in
June 1998. Mr. Gardner has served as general partner of Hollybank Investments,
LP from 1993 to the present. Since 1980, he has served as President of Kelso
Management Co., Inc., advisor to Fidelity International Limited, Integrity
Fund-FM&R private capital, American Values I-IV, Fidelity American Situations
Trust, Fidelity Discovery Fund, Johnson family accounts, Johnson Foundation, and
Fidelity Foundation from 1980 to 1993 and adviser to Hollybank Investments, LP
from 1993 to the present. Mr. Gardner has served on the board of directors of
several corporations, and is currently a member of the boards of Crane Company
and Filene's Basement.
 
     James S. Mahan, III served as the Chief Executive Officer and a director of
Security First Network Bank from 1995 until its sale in 1998. He has served as a
director of S1 since May 1998, as Chief Executive Officer and President since
June 1998 and as Chairman of the Board since February 1999. He also has served
as Chairman of the Board of S1's operating subsidiary since May 1996. Mr. Mahan
was the Chairman of the Board and Chief Executive Officer of Cardinal
Bancshares, Inc., as well as some of its subsidiaries from November 1987 until
September 1996. Mr. Mahan is the stepson of director Robert W. Copelan.
 
     Joseph S. McCall has served as a director of S1 since his appointment in
October 1998. In 1986, Mr. McCall founded and remains the President of McCall
Consulting Group, a company that provides consulting primarily to software
companies that are building software products with new technology or
transitioning old products to new technology. McCall Consulting also provides
direct sales and training support to enabling technology software companies that
are launching products with leading edge technologies. Since 1991, Mr. McCall
also has served as a director of Clarus Corp. (formerly known as SQL Financials
International, Inc.), a publicly traded software company that sells web-enabled
financial and
                                       28
<PAGE>   30
 
human resource application software. Mr. McCall founded SQL in 1991 and served
as Chief Executive Officer until early 1998. In 1994, Mr. McCall founded
Technology Ventures, LLC, which is an investment company that owns all of McCall
Consulting and is the largest single shareholder of Clarus Corp. Technology
Ventures serves as Mr. McCall's vehicle for investing in new companies and
providing equity incentives to employees of the companies in which Technology
Ventures has invested. Mr. McCall currently is a member of the boards of
directors of McCall Consulting and Technology Ventures.
 
     Howard J. Runnion, Jr. was Vice Chairman of the Board and Chief Financial
Officer of The Wachovia Corporation in Winston-Salem, North Carolina from
December 1985 to June 1990. Since 1992, Mr. Runnion has served as a consultant
and an insurance broker. Mr. Runnion was a director of Cardinal Bancshares, Inc.
and some of its subsidiaries until September 1996 and a director of Security
First Network Bank from 1995 until its sale in 1998. He has served as a director
of S1 since May 1998.
 
     Robert F. Stockwell served as the Treasurer and Chief Financial Officer of
Security First Network Bank from 1995 until its sale in 1998, and has served as
Treasurer and Chief Financial Officer of S1's operating subsidiary since May
1996. He has served as Chief Financial Officer and Treasurer of S1 since June
1998. From June 1998 to November 1998, he also served as Secretary of S1. From
October 1996 through September 1998, he served as Acting President of Security
First Network Bank. Mr. Stockwell served as Treasurer of Cardinal Bancshares,
Inc. from January 1994 to September 1996 and as a director of Jefferson Banking
Company during 1994. From 1987 to 1993, Mr. Stockwell was Executive Vice
President and Chief Financial Officer of Security Financial Holding Company, a
thrift holding company located in Durham, North Carolina.
 
     Daniel H. Drechsel has served as President and Chief Operating Officer of
Security First Technologies, Inc., S1's operating subsidiary, since June 1998.
In his position as our Chief Operating Officer, Mr. Drechsel oversees the
day-to-day operations of S1's operating subsidiary. Prior to joining our
operating subsidiary, Mr. Drechsel served as Vice President of Marketing with
Meta4 Software, S.A., a Madrid-based enterprise software company from September
1997 to June 1998. Mr. Drechsel served as General Manager of ECPartners, a joint
venture between Checkfree Corporation and Automatic Data Processing, Inc.'s
Electronic Services Division from 1995 to 1997. Mr. Drechsel served on the Board
of Directors of InfoWave Technologies, Inc. from 1997 to 1999. Mr. Drechsel's
previous experience included a variety of management positions in sales,
marketing and software development at both Automatic Data Processing and Dun &
Bradstreet Corporation.
 
SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE
 
     Section 16(a) of the Securities Exchange Act of 1934 requires our directors
and officers, and persons who own more than 10% of our common stock, to file
with the Securities and Exchange Commission initial reports of ownership of our
equity securities and to file subsequent reports when there are changes in their
ownership. Based on a review of reports submitted to us, we believe that during
the fiscal year ended December 31, 1998, all Section 16(a) filing requirements
applicable to our directors, officers and more than 10% owners were complied
with on a timely basis, other than a Form 4 that was not timely filed by Mr.
Stockwell for one transaction which was reflected in a Form 5 filing.
 
ITEM 11.  EXECUTIVE COMPENSATION.
 
EXECUTIVE AND DIRECTOR COMPENSATION
 
     The following table shows the cash compensation paid by S1 for the last
three fiscal years, as well as compensation paid or accrued for those years, to
the Chief Executive Officer and the one other highest paid executive officer
serving at December 31, 1998, whose total annual salary and bonus for the fiscal
year ended December 31, 1998, exceeded $100,000. We refer to these two officers
as our named executive officers. No stock appreciation rights have been granted
by S1 or its predecessor, Security First Network Bank.
 
                                       29
<PAGE>   31
 
                           SUMMARY COMPENSATION TABLE
 
<TABLE>
<CAPTION>
                                                                                     LONG-TERM
                                                                                    COMPENSATION
                                                                                       AWARDS
                                                      ANNUAL COMPENSATION           ------------
                                              -----------------------------------    SECURITIES
              NAME AND                                             OTHER ANNUAL      UNDERLYING       ALL OTHER
         PRINCIPAL POSITION            YEAR   SALARY       BONUS  COMPENSATION(B)     OPTIONS      COMPENSATION(C)
         ------------------            ----   -------      -----  ---------------   ------------   ---------------
                                                ($)         ($)         ($)             (#)              ($)
<S>                                    <C>    <C>          <C>    <C>               <C>            <C>
James S. Mahan, III..................  1998   200,000         --          --               --           7,872
  Chairman, Chief Executive Officer,   1997   200,000         --       9,861               --           9,756
  President and Director               1996    87,535(a)      --      68,080               --           3,131
Robert F. Stockwell..................  1998   150,000         --          --           50,000           5,950
  Chief Financial Officer              1997   119,141         --          --           20,000           6,392
  and Treasurer                        1996   104,962         --      70,009               --           2,272
</TABLE>
 
- ---------------
 
 (a) During the first nine months of 1996, Mr. Mahan's annual rate of salary was
     $50,000. During that time, he also served as the Chairman and Chief
     Executive Officer of Cardinal Bancshares, Inc., which was then the parent
     of Security First Network Bank.
 
(b)  Other annual compensation includes car allowance and club membership for
     Mr. Mahan. For 1996, other annual compensation includes reimbursement of
     moving expenses of $56,880 for Mr. Mahan and $70,009 for Mr. Stockwell,
     including applicable taxes associated with these reimbursements.
 
(c)  All other compensation includes contributions to S1's 401(k) plan and
     insurance premiums. 401(k) contributions for 1996, 1997 and 1998 were
     $2,501, $2,667 and $2,666 for Mr. Mahan; and $2,002, $3,292 and $2,750 for
     Mr. Stockwell. Insurance premiums for 1996, 1997 and 1998 were $630, $7,089
     and $5,206 for Mr. Mahan; and $270, $3,100 and $3,200 for Mr. Stockwell.
 
     Our directors do not receive any fees or other compensation for their
service as directors. Directors, however, are reimbursed for travel and other
expenses incurred in connection with attending meetings of our board of
directors. Upon joining the board of directors in 1998, Mr. Gardner and Mr.
McCall were awarded options to acquire 30,000 shares of our common stock under
our 1998 Directors' Stock Option Plan.
 
EMPLOYMENT CONTRACTS
 
     We currently do not have any employment contracts or other compensatory
plans or arrangements relating to resignation, retirement or any other
termination of a named executive officers' employment with S1 or our operating
subsidiary or from a change in control of S1 or a change of the named executive
officer's responsibilities following a change in control of S1. Unvested stock
options, however, generally do vest upon a change in control, as defined.
 
OPTION GRANTS
 
     The following table contains information concerning the grant of stock
options to the named executive officers during fiscal year 1998.
 
                       OPTION GRANTS IN LAST FISCAL YEAR
 
<TABLE>
<CAPTION>
                                                      INDIVIDUAL GRANTS
                                                   ------------------------                POTENTIAL REALIZABLE VALUE
                                                    % OF TOTAL                               AT ASSUMED ANNUAL RATES
                                      NUMBER          OPTIONS                                    OF STOCK PRICE
                                   OF SECURITIES    GRANTED TO                                    APPRECIATION
                                    UNDERLYING       EMPLOYEES     EXERCISE                      FOR OPTION TERM
                                      OPTIONS        IN FISCAL     OR BASE    EXPIRATION   ---------------------------
              NAME                    GRANTED          YEAR         PRICE        DATE           5%            10%
              ----                 -------------   -------------   --------   ----------   ------------   ------------
                                        (#)             (%)        ($/SHARE)
<S>                                <C>             <C>             <C>        <C>          <C>            <C>
Robert F. Stockwell..............      50,000            5           6.625      1/9/09      $  208,321     $  527,927
  Chief Financial Officer and
  Treasurer
</TABLE>
 
                                       30
<PAGE>   32
 
1998 OPTION EXERCISES AND VALUES
 
     The following table provides information on exercises of stock options
during fiscal year 1998 by the named executive officers and the value of
unexercised options at the end of the year.
 
     AGGREGATED OPTION EXERCISES IN 1998 AND FISCAL YEAR-END OPTION VALUES
 
<TABLE>
<CAPTION>
                                                              NUMBER OF SECURITIES
                                                             UNDERLYING UNEXERCISED     VALUE OF UNEXERCISED IN-THE
                                  SHARES                        OPTIONS AT FY-END       MONEY OPTIONS AT FY-END(b)
                                ACQUIRED ON      VALUE      -------------------------   ---------------------------
             NAME                EXERCISE     REALIZED(a)   EXERCISABLE/UNEXERCISABLE    EXERCISABLE/UNEXERCISABLE
             ----               -----------   -----------   -------------------------   ---------------------------
                                    (#)           ($)                  (#)                          ($)
<S>                             <C>           <C>           <C>                         <C>
James S. Mahan, III...........        --             --          696,900/232,300          $20,819,888/$6,939,963
Robert F. Stockwell...........    25,000       $253,125            34,690/88,230          $ 1,009,174/$2,254,301
</TABLE>
 
- ---------------
 
 (a) Based on the market value of our common stock at date of exercise, less the
     exercise price.
 
 (b) Based on the closing price per share of our common stock on December 31,
     1998 of $30.50 on the Nasdaq National Market, less the exercise price, of
     all unexercised stock options having an exercise price less than that 
     market value.
 
COMPENSATION COMMITTEE REPORT ON EXECUTIVE COMPENSATION
 
     Since 1996 through the corporate reorganization of Security First Network
Bank in September 1998, the full board of directors of SFNB served as a
compensation committee. In the fourth quarter of 1998, a separate compensation
committee of the S1 board was established. The Chairman of the compensation
committee is Mr. McCall and the other members are Mr. Gardner and Mr. Runnion.
The compensation committee recommends to the full board of directors, which has
ultimate responsibility over compensation matters. Set forth below is a report
of the compensation committee addressing S1's compensation policies for fiscal
year 1998 as they affected our executive officers.
 
     Compensation Policies for Executive Officers.  S1's executive compensation
policies are designed to provide competitive levels of compensation, to assist
S1 in attracting and retaining qualified executives and to encourage superior
performance. In determining levels of executive officers' overall compensation,
the qualifications and experience of the persons concerned, the size of the
company and the complexity of its operation, the financial condition, including
revenues, the compensation paid to other persons employed by the company and the
compensation paid to persons having similar duties and responsibilities in the
technology industry were considered. Compensation paid to our executive officers
in 1998 consisted of the following components: base salary, long-term incentives
(awards of stock options) and participation in S1's other employee benefit
plans. No bonuses were paid to executive officers for 1998. While each of these
components has a separate purpose and may have a different relative value to the
total, a significant portion of the total compensation package for 1998 for the
executive officers other than the CEO is highly dependent on the public market
value of S1 and total return to shareholders. S1 believes that the total cash
compensation for our executive officers for 1998 was below the average for
similar positions at comparable companies. Such persons, however, have
significant equity interests in S1's success by virtue of stock based
compensation.
 
     The compensation committee currently is re-evaluating S1's executive
compensation structure, and is likely to propose significant revisions to bring
our compensation closer to the compensation received by executive officers of
comparable companies. No determination has been made regarding this matter and
no date has been set for making this determination.
 
     Base Salary.  Base salary is intended to signal the internal value of the
position. In establishing the 1998 salary for each executive officer, the
officer's responsibilities, qualifications and experience were considered. The
base salary for one of our executive officers increased in 1998 in recognition
of the responsibilities of that officer.
 
     Long-Term Incentive Compensation.  S1 uses stock options to provide
long-term incentive compensation. The compensation committee endorses the
position that stock ownership by management is beneficial in
 
                                       31
<PAGE>   33
 
aligning management's and shareholders' interests in the enhancement of
shareholder value. The purpose of stock option awards is to provide an
opportunity for the recipients to acquire or increase a proprietary interest in
S1, thereby creating a stronger incentive to expend maximum effort for the
long-term growth and success of S1 and encouraging recipients to remain in the
employ of S1. Officers and other full-time employees of S1 and its subsidiaries
are eligible for grants under our 1995 and 1997 stock option plans. Stock
options are normally granted each year with the size of the grants generally
tied to and weighted approximately equally based on an officer's responsibility
level and performance. During 1998, 200,000 stock options were granted to our
executive officers.
 
     Other.  In addition to the compensation paid to executive officers
described above, executive officers received, along with and on the same terms
as other employees, certain benefits such as health insurance and participation
in S1's 401(k) Plan.
 
     CEO Compensation.  Since the beginning of the company in 1996, the cash
compensation for the Chief Executive Officer has been primarily stock based in
the form of options. In 1998, the Chief Executive Officer's 1998 base salary was
$200,000, which was the same as his 1997 base salary. The CEO did not receive a
bonus or an award of stock options in 1998. S1 believes that total compensation
for the Chief Executive Officer for 1998 was below the average for comparable
companies. As noted above, the compensation committee is re-evaluating the
compensation structure for all the executive officers, including the Chief
Executive Officer.
 
     Internal Revenue Code Section 162(m).  In 1993, the Internal Revenue Code
of 1986, as amended, was amended to disallow publicly traded companies from
receiving a tax deduction on compensation paid to executive officers in excess
of $1 million (section 162(m) of the Code), unless, among other things, the
compensation meets the requirements for performance-based compensation. Although
S1 has not taken this limitation into account in the past in structuring its
compensation programs and in determining executive compensation, the
compensation committee expects to take the deductibility limit for compensation
into consideration beginning in fiscal 1999.
 
                             COMPENSATION COMMITTEE
 
                               Dorsey R. Gardner
                          Joseph S. McCall (Chairman)
                             Howard J. Runnion, Jr.
 
PERFORMANCE OF OUR COMMON STOCK
 
     The following table sets forth comparative information regarding the
cumulative shareholder return on our common stock since May 26, 1996. Share
information from May 26, 1996 to September 30, 1998 is based on the common stock
of our predecessor, Security First Network Bank. Total shareholder return is
measured by dividing cumulative dividends for the measurement period (assuming
dividend reinvestment) plus share price change for the period by the share price
at the beginning of the measurement period. Neither S1 nor Security First
Network Bank has paid dividends on its common stock from May 26, 1996 to
December 31, 1998. Our cumulative shareholder return over this period is based
on an investment of $100 on May 26, 1996 and is compared to the cumulative total
return of the Interactive Week Internet Index and the Nasdaq Composite Index.
 
                  COMPARISON OF CUMULATIVE TOTAL RETURN AMONG
         S1, INTERACTIVE WEEK INTERNET INDEX AND NASDAQ COMPOSITE INDEX
                     FROM MAY 26, 1996 TO DECEMBER 31, 1998
 
<TABLE>
<CAPTION>
                                                                PERIOD ENDING
                                                   ----------------------------------------
                      INDEX                        5/26/96   12/31/96   12/31/97   12/31/98
                      -----                        -------   --------   --------   --------
<S>                                                <C>       <C>        <C>        <C>
Security First Technologies Corporation..........  100.00      25.00      17.68      74.39
Interactive Week Internet Index..................  100.00      92.89     100.10     238.53
Nasdaq Composite Index...........................  100.00     106.02     128.94     177.36
</TABLE>
 
                                       32
<PAGE>   34
 
COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION
 
     The Chairman of our compensation committee is Mr. McCall and the other
members of the committee are Mr. Gardner and Mr. Runnion. None of the members of
this committee have served as an officer or employee of S1 or its operating
subsidiary. During 1998, S1 used technology consulting services from McCall
Consulting Group. Mr. McCall is the president of McCall Consulting. During 1998,
the total amount paid to McCall Consulting was $1.1 million. At December 31,
1998 S1 had outstanding payables to McCall Consulting Group of $282,000.
 
ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT.
 
STOCK OWNED BY DIRECTORS AND MANAGEMENT
 
     The following table sets forth information known to us regarding the
beneficial ownership of our common stock as of March 24, 1999 by each of our
directors and the named executive officers and by all of our directors and
executive officers as a group. Information for Mr. Michael M. McChesney, who
resigned as Chairman of the Board of S1 in February 1999, is not included in
this table and is set forth in the table under the caption "Principal
Shareholders." At March 24, 1999, there were 12,362,267 shares of our common
stock outstanding. All information as to beneficial ownership has been provided
to us by the directors and executive officers, and unless otherwise indicated,
each of the directors and executive officers has sole voting and investment
power over all of shares that they beneficially own.
 
<TABLE>
<CAPTION>
                                                                 NUMBER OF SHARES        PERCENT OF
                                                                   AND NATURE OF        COMMON STOCK
                NAME AND POSITION(S) WITH S1                  BENEFICIAL OWNERSHIP(a)   OUTSTANDING
                ----------------------------                  -----------------------   ------------
<S>                                                           <C>                       <C>
James S. Mahan, III.........................................         1,009,721(b)           7.60%
  Chairman, Chief Executive Officer, President and a
  Director
Robert F. Stockwell.........................................           121,694(c)              *
  Chief Financial Officer and Treasurer
Daniel H. Drechsel..........................................                40(d)              *
  President and Chief Operating Officer of
  S1's operating subsidiary
Robert W. Copelan, D.V.M....................................           143,532(e)           1.15%
  Director
Dorsey R. Gardner...........................................           685,100(f)           5.54%
  Director
Joseph S. McCall............................................            13,500(g)              *
  Director
Howard J. Runnion, Jr.......................................           110,424(h)              *
  Director
All directors and executive officers of S1
  as a group (7 persons)....................................         2,084,011             15.48%
</TABLE>
 
- ---------------
 
*   Less than one percent.
 
(a) In accordance with Rule 13d-3 under the Securities Exchange Act of 1934, a
    person is deemed to be the beneficial owner, for purposes of this table, of
    any shares of common stock if that person has or shares voting power or
    investment power over the security, or has the right to acquire beneficial
    ownership at any time within 60 days from March 24, 1999. For this table,
    voting power includes the power to vote or direct the voting of shares and
    investment power includes the power to dispose or direct the disposition of
    shares.
 
(b) The share ownership of Mr. Mahan includes 929,200 shares of common stock
    that would be issued upon the exercise of options exercisable within 60 days
    of March 24, 1999, 612 shares that are held directly by Mr. Mahan, 4,785
    shares held in S1's 401(k) plan and 75,124 shares held by his wife.
 
                                       33
<PAGE>   35
 
(c) The share ownership of Mr. Stockwell includes 70,420 shares of common stock
    that would be issued upon the exercise of options exercisable within 60 days
    of March 24, 1999, 45,288 shares held jointly with his wife, 3,205 shares
    held in S1's 401(k) plan, 1,864 shares held in an IRA and 917 shares held by
    his mother in an IRA.
 
(d) The share ownership of Mr. Drechsel includes 40 shares held in S1's 401(k)
    plan.
 
(e) The share ownership of Dr. Copelan includes 92,920 shares of common stock
    that would be issued upon the exercise of options exercisable within 60 days
    of March 24, 1999, 41,936 shares that are held directly by Dr. Copelan,
    7,452 shares that are held by the Robert W. Copelan D.V.M. Retirement Plan
    and 1,224 shares that are held by his wife.
 
(f) The share ownership of Mr. Gardner includes 76,500 shares held directly by
    Mr. Gardner and 608,600 shares held by Hollybank Investments, LP, a limited
    partnership of which Mr. Gardner is the general partner.
 
(g) The share ownership of Mr. McCall includes 12,500 shares held directly by
    Mr. McCall and 1,000 shares held by Mr. McCall in an IRA.
 
(h) The share ownership of Mr. Runnion includes 10,424 shares of common stock
    that would be issued upon the exercise of options exercisable within 60 days
    of March 24, 1999 and 100,000 shares owned directly by Mr. Runnion.
 
PRINCIPAL SHAREHOLDERS
 
     The following table sets forth information known to us regarding beneficial
ownership of our common stock as of March 24, 1999 by each person believed by
management to be the beneficial owner of more than 5% of our outstanding common
stock.
 
<TABLE>
<CAPTION>
                                                        NUMBER OF SHARES        PERCENT OF
                                                          AND NATURE OF        COMMON STOCK
       NAME AND ADDRESS OF BENEFICIAL OWNER          BENEFICIAL OWNERSHIP(a)   OUTSTANDING
       ------------------------------------          -----------------------   ------------
<S>                                                  <C>                       <C>
Michael C. McChesney...............................       1,192,016(b)            9.29%
  37 Muscogee Avenue
  Atlanta, GA 30305
Lord, Abbett & Co..................................       1,018,695(c)            8.24%
  767 Fifth Avenue
  New York, NY 10153
James S. Mahan, III................................       1,009,721(d)            7.60%
  3390 Peachtree Road, NE
  Suite 1700
  Atlanta, GA 30326
</TABLE>
 
- ---------------
 
(a) In accordance with Rule 13d-3 under the Securities Exchange Act of 1934, a
    person is deemed to be the beneficial owner, for purposes of this table, of
    any shares of common stock if that person has or shares voting power or
    investment power over the security, or has the right to acquire beneficial
    ownership at any time within 60 days from March 24, 1999. For this table,
    voting power includes the power to vote or direct the voting of shares and
    investment power includes the power to dispose or direct the disposition of
    shares.
 
(b) The share ownership of Mr. McChesney includes 464,400 shares of common stock
    that would be issuable upon the exercise of options exercisable within 60
    days of March 24, 1999, 719,346 shares owned directly by Mr. McChesney, 590
    shares held in S1's 401(k) plan and 7,680 shares held by two members of his
    family. Mr. McChesney served as Chairman of the Board of S1 until his
    resignation in February 1999.
 
                                       34
<PAGE>   36
 
(c) Lord, Abbett & Co. filed a Schedule 13G with the Securities and Exchange
    Commission dated February 12, 1999 reporting sole voting and dispositive
    power over the shares listed above.
 
(d) The share ownership of Mr. Mahan includes 929,200 shares of common stock
    that would be issued upon the exercise of options exercisable within 60 days
    of March 24, 1999, 612 shares that are held directly by Mr. Mahan, 4,785
    shares held in S1's 401(k) plan and 75,124 shares held by his wife.
 
ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.
 
     Prior to our 1998 sale of Security First Network Bank, the bank made loans
to its directors and executive officers for the financing of their homes, as
well as home improvement and consumer loans. It is the belief of management that
these loans were made in the ordinary course of business, were made on
substantially the same terms, including interest rates and collateral, as those
prevailing at the time for comparable transactions with other persons, and
neither involved more than normal risk of collectability nor presented other
unfavorable features.
 
     During the latter part of 1996, among its ordinary course research and
development activities, the company that is now S1's operating subsidiary
started a project known as "Webtone." The Webtone project was established to
assess the customer care issues raised as a result of interacting with retail
customers over new delivery channels and subsequently to develop software
solutions to resolve these issues more efficiently. In November 1997, after the
assessment phase of the project was completed at a cost of approximately
$300,000, the board of directors determined not to proceed with Webtone,
primarily because of the board's uncertainty about the potential profitability
of the project and because of the limited resources, both capital and personnel,
of the operating subsidiary. The board believes this decision is consistent with
the determination to discontinue the banking business of Security First Network
Bank and focus resources on the Virtual Financial Manager suite of products and
related services. With the board's full knowledge and agreement, Michael M.
McChesney created and funded his own company to develop Webtone. Michael
McChesney resigned as the Chairman of the Board of S1 in February 1999. In
undertaking these activities, Mr. McChesney and the board of directors have
acknowledged that Webtone and Mr. McChesney should enter into some form of
arrangement for a future business relationship. However, the parties have not
determined what that arrangement should be. Since abandoning the Webtone
project, S1's operating subsidiary has provided Webtone with administrative and
technical services on a time and materials basis amounting to approximately
$192,000 in 1998 and $80,000 in 1997. As of December 31, 1998, the operating
subsidiary had a receivable from Webtone related to these services of $173,000.
 
     During 1998, S1 used technology consulting services from McCall Consulting
Group. The president of McCall Consulting, Mr. Joseph S. McCall, is one of our
directors. During 1998, the total amount paid to McCall Consulting was
approximately $1.1 million. At December 31, 1998 S1 had outstanding payables to
McCall Consulting Group of $282,000.
 
ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K.
 
     (a) The following financial statements are filed as a part of this report
and incorporated herein by reference:
 
     Security First Technologies Corporation and Subsidiary
 
        Independent Auditors' Report
 
        Consolidated Balance Sheets as of December 31, 1997 and 1998
 
        Consolidated Statements of Operations for the years ended December 31,
        1996, 1997 and 1998
 
        Consolidated Statements of Stockholders' Equity and Comprehensive Income
        (Loss) for the years ended December 31, 1996, 1997 and 1998
 
        Consolidated Statements of Cash Flows for the years ended December 31,
        1996, 1997 and 1998
 
                                       35
<PAGE>   37
 
        Notes to Consolidated Financial Statements for the years ended December
        31, 1996, 1997 and 1998
 
        Financial Statement Schedule:
 
        Schedule II -- Valuation and Qualifying Accounts and related Independent
                       Auditors' Report
 
     The exhibits listed are filed as part of this report and incorporated
herein by reference:
 
<TABLE>
<CAPTION>
EXHIBIT
  NO.                         EXHIBIT DESCRIPTION
- -------                       -------------------
<C>       <S>
  3.1     Amended and Restated Certificate of Incorporation of
          Security First Technologies Corporation ("S1") (filed as
          Exhibit 1 to S1's Registration Statement on Form 8-A filed
          with the Securities and Exchange Commission (the "SEC") on
          September 30, 1998 and incorporated herein by reference).
  3.2     Certificate of Designation for S1's Series B Redeemable
          Convertible Preferred Stock (filed as Exhibit 2 to S1's
          Registration Statement on Form 8-A filed with the SEC on
          September 30, 1998 and incorporated herein by reference).
  3.3     Amended and Restated Bylaws of S1 (filed as Exhibit 3 to
          S1's Registration Statement on Form 8-A filed with the SEC
          on September 30, 1998 and incorporated herein by reference).
  4.1     Specimen certificate for S1's common stock (filed as Exhibit
          4 to S1's Registration Statement on Form 8-A filed with the
          SEC on September 30, 1998 and incorporated herein by
          reference).
  4.2     Specimen certificate for S1's Series A Convertible Preferred
          Stock.
  4.3     Specimen certificate for S1's Series B Convertible
          Redeemable Preferred Stock.
 10.1     Second Amended and Restated Plan of Reorganization, dated as
          of March 9, 1998, by and among Security First Network Bank
          ("SFNB"), S1 and New Security First Network Bank, as amended
          on June 4, 1998 and September 25, 1998 (filed as Exhibit
          10.2 to S1's Current Report on Form 8-K filed with the SEC
          on October 14, 1998 and incorporated herein by reference).
 10.2     Stock Purchase Agreement, dated as of March 9, 1998, by and
          among Royal Bank of Canada, RBC Holdings (Delaware) Inc.,
          SFNB and S1, as amended on June 5, 1998 (attached as
          Appendix C to the Proxy Statement/Prospectus that formed a
          part of S1's Registration Statement on Form S-4 (File No.
          333-56181) filed with the SEC on June 5, 1998 and
          incorporated herein by reference).
 10.3     Common Stock Purchase and Option Agreement, dated as of
          March 9, 1998, by and among SFNB, RBC Holdings (Delaware)
          Inc. and S1, as amended on June 5, 1998 (filed as Exhibit
          2.3 to S1's Registration Statement on Form S-4 (File No.
          333-56181) filed with the SEC on June 5, 1998 and
          incorporated herein by reference).
 10.4     Stock Purchase Agreement, dated as of June 29, 1998, by and
          among SFNB, S1 and State Farm Mutual Automobile Insurance
          Company (filed as Exhibit 10.4 to Pre-Effective Amendment
          No. 2 to the S1's Registration Statement on Form S-4 (File
          No. 333-56181) filed with the SEC on August 21, 1998 and
          incorporated herein by reference).
 10.5     Security First Network Bank, FSB Employee Stock Option Plan
          (filed as Exhibit 10.1 to Pre-Effective Amendment No. 2 to
          S1's Registration Statement on Form S-4 (File No. 333-56181)
          filed with the SEC on August 21, 1998 and incorporated
          herein by reference).
 10.6     Security First Network Bank Amended and Restated Directors'
          Stock Option Plan (filed as Exhibit 10.2 to Pre-Effective
          Amendment No. 2 to S1's Registration Statement on Form S-4
          (File No. 333-56181) filed with the SEC on August 21, 1998
          and incorporated herein by reference).
 10.7     Security First Technologies Corporation 1998 Directors'
          Stock Option Plan (filed as Exhibit 10.3 to Pre-Effective
          Amendment No. 1 to S1's Registration Statement on Form S-4
          (File No. 333-56181) filed with the SEC on July 30, 1998 and
          incorporated herein by reference).
 13.1     Financial Statements.
</TABLE>
 
                                       36
<PAGE>   38
 
<TABLE>
<CAPTION>
EXHIBIT
  NO.                         EXHIBIT DESCRIPTION
- -------                       -------------------
<C>       <S>
 13.2     Financial Statement Schedule and related Independent
          Auditors' Report.
 21       Subsidiaries of S1.
 27       Financial Data Schedule.
</TABLE>
 
     (b) A Current Report on Form 8-K (date of report September 30, 1998) was
filed on October 14, 1998 reporting the sale of the banking business of Security
First Network Bank, the consummation of the holding company reorganization, the
sale of Series B Redeemable Convertible Preferred Stock to State Farm Mutual
Automobile Insurance Company and the sale of common stock to BroadVision, Inc.
 
                                       37
<PAGE>   39
 
                                   SIGNATURES
 
     Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized, as of March 30, 1999.
 
                                          SECURITY FIRST TECHNOLOGIES
                                          CORPORATION
 
                                          By:    /s/ JAMES S. MAHAN, III
                                            ------------------------------------
                                            James S. Mahan, III
                                            Chief Executive Officer and
                                              President
 
     Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on behalf of the
registrant and in the capacities indicated as of March 30, 1999.
 
<TABLE>
<CAPTION>
                    NAME                                           TITLE
                    ----                                           -----
<C>                                            <S>
 
           /s/ JAMES S. MAHAN, III             Chief Executive Officer, President and
- ---------------------------------------------  Director (Principal Executive Officer)
             James S. Mahan, III
 
           /s/ ROBERT F. STOCKWELL             Chief Financial Officer and Treasurer
- ---------------------------------------------  (Principal Financial Officer and Principal
             Robert F. Stockwell               Accounting Officer)
 
        /s/ ROBERT W. COPELAN, D.V.M.          Director
- ---------------------------------------------
          Robert W. Copelan, D.V.M.
 
            /s/ DORSEY R. GARDNER              Director
- ---------------------------------------------
              Dorsey R. Gardner
 
            /s/ JOSEPH S. MCCALL               Director
- ---------------------------------------------
              Joseph S. McCall
 
         /s/ HOWARD J. RUNNION, JR.            Director
- ---------------------------------------------
           Howard J. Runnion, Jr.
</TABLE>
 
                                       38
<PAGE>   40
 
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
EXHIBIT
  NO.                         EXHIBIT DESCRIPTION
- -------                       -------------------
<C>       <S>
  3.1     Amended and Restated Certificate of Incorporation of
          Security First Technologies Corporation ("S1") (filed as
          Exhibit 1 to S1's Registration Statement on Form 8-A filed
          with the Securities and Exchange Commission (the "SEC") on
          September 30, 1998 and incorporated herein by reference).
  3.2     Certificate of Designation for S1's Series B Redeemable
          Convertible Preferred Stock (filed as Exhibit 2 to S1's
          Registration Statement on Form 8-A filed with the SEC on
          September 30, 1998 and incorporated herein by reference).
  3.3     Amended and Restated Bylaws of S1 (filed as Exhibit 3 to
          S1's Registration Statement on Form 8-A filed with the SEC
          on September 30, 1998 and incorporated herein by reference).
  4.1     Specimen certificate for S1's common stock (filed as Exhibit
          4 to S1's Registration Statement on Form 8-A filed with the
          SEC on September 30, 1998 and incorporated herein by
          reference).
  4.2     Specimen certificate for S1's Series A Convertible Preferred
          Stock.
  4.3     Specimen certificate for S1's Series B Convertible
          Redeemable Preferred Stock.
 10.1     Second Amended and Restated Plan of Reorganization, dated as
          of March 9, 1998, by and among Security First Network Bank
          ("SFNB"), S1 and New Security First Network Bank, as amended
          on June 4, 1998 and September 25, 1998 (filed as Exhibit
          10.2 to S1's Current Report on Form 8-K filed with the SEC
          on October 14, 1998 and incorporated herein by reference).
 10.2     Stock Purchase Agreement, dated as of March 9, 1998, by and
          among Royal Bank of Canada, RBC Holdings (Delaware) Inc.,
          SFNB and S1, as amended on June 5, 1998 (attached as
          Appendix C to the Proxy Statement/Prospectus that formed a
          part of S1's Registration Statement on Form S-4 (File No.
          333-56181) filed with the SEC on June 5, 1998 and
          incorporated herein by reference).
 10.3     Common Stock Purchase and Option Agreement, dated as of
          March 9, 1998, by and among SFNB, RBC Holdings (Delaware)
          Inc. and S1, as amended on June 5, 1998 (filed as Exhibit
          2.3 to S1's Registration Statement on Form S-4 (File No.
          333-56181) filed with the SEC on June 5, 1998 and
          incorporated herein by reference).
 10.4     Stock Purchase Agreement, dated as of June 29, 1998, by and
          among SFNB, S1 and State Farm Mutual Automobile Insurance
          Company (filed as Exhibit 10.4 to Pre-Effective Amendment
          No. 2 to the S1's Registration Statement on Form S-4 (File
          No. 333-56181) filed with the SEC on August 21, 1998 and
          incorporated herein by reference).
 10.5     Security First Network Bank, FSB Employee Stock Option Plan
          (filed as Exhibit 10.1 to Pre-Effective Amendment No. 2 to
          S1's Registration Statement on Form S-4 (File No. 333-56181)
          filed with the SEC on August 21, 1998 and incorporated
          herein by reference).
 10.6     Security First Network Bank Amended and Restated Directors'
          Stock Option Plan (filed as Exhibit 10.2 to Pre-Effective
          Amendment No. 2 to S1's Registration Statement on Form S-4
          (File No. 333-56181) filed with the SEC on August 21, 1998
          and incorporated herein by reference).
 10.7     Security First Technologies Corporation 1998 Directors'
          Stock Option Plan (filed as Exhibit 10.3 to Pre-Effective
          Amendment No. 1 to S1's Registration Statement on Form S-4
          (File No. 333-56181) filed with the SEC on July 30, 1998 and
          incorporated herein by reference).
 13.1     Financial Statements.
 13.2     Financial Statement Schedule and related Independent
          Auditors' Report.
 21       Subsidiaries of S1.
 27       Financial Data Schedule.
</TABLE>

<PAGE>   1
 
                                                                     EXHIBIT 4.2
 
     SERIES A PREFERRED                                 SERIES A PREFERRED
          NUMBER             [LOGO APPEARS HERE]              SHARES
     ------------------                                 ------------------
          SFPA-
 
<TABLE>
<CAPTION>
 
<C>                                                           <S>
          SECURITY FIRST TECHNOLOGIES CORPORATION             SEE REVERSE SIDE
                                                              FOR CERTAIN
                                                              LEGENDS
 
    INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE
</TABLE>
 
This Certifies that
 
is the owner of
 
FULLY PAID AND NONASSESSABLE SHARES OF SERIES A CONVERTIBLE PREFERRED STOCK, PAR
VALUE $0.01 PER SHARE, OF
 
Security First Technologies Corporation (the "Corporation"), a Delaware
corporation with its principal executive office located in Atlanta, Georgia. The
shares represented by this certificate are transferable only on the stock
transfer books of the Corporation by the holder of record hereof, or by his or
her duly authorized attorney or legal representative, upon the surrender of this
certificate properly endorsed.
 
     This certificate is not valid unless countersigned and registered by the
Transfer Agent and Registrar.
 
     IN WITNESS WHEREOF, the Corporation has caused this certificate to be
executed by the signature of its duly authorized officers and has caused its
corporate seal to be hereunto affixed.
 
Dated:
 
                    SECURITY FIRST TECHNOLOGIES CORPORATION
 
                              [SEAL APPEARS HERE]
 
                                              By:  
- ------------------------------                   ------------------------------
SECRETARY                                                   PRESIDENT
 
COUNTERSIGNED AND REGISTERED:
 
                                    TRANSFER AGENT
                                    AND REGISTRAR
 
                                    AUTHORIZED SIGNATURE
<PAGE>   2
 
                    SECURITY FIRST TECHNOLOGIES CORPORATION
 
     The shares represented by this certificate are issued subject to all the
provisions of the certificate of incorporation and bylaws of Security First
Technologies Corporation (the "Corporation") as from time to time amended
(copies of which are on file at the principal executive office of the
Corporation), to all of which the holder by acceptance hereof assents.
 
     The Corporation is authorized to issue more than one class or series of
stock. The Corporation will furnish to any shareholder, upon request and without
charge, a full statement of the powers, designations, preferences and relative,
participating, optional, or other special rights of each authorized class of
stock or series thereof and the qualifications, limitations or restrictions of
such preferences and/or rights, to the extent that the same have been fixed, and
of the authority of the board of directors to designate the same with respect to
other series. Such request may be made to the Corporation at its principal
executive office.
 
     The following abbreviations, when used in the inscription on the face of
this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:
 
<TABLE>
<C>                  <S>                              <C>                              <C>
            TEN COM  - as tenants in common                        UNIF GIFT MIN ACT-  ---------Custodian ---------
            TEN ENT  - as tenants by the entireties                                    (Cust)               (Minor)
             JT TEN  - as joint tenants with right                                     under Uniform Gifts to Minors
                       of survivorship and not as                                        Act ------------------
                       tenants in common                                                          (State)
</TABLE>
 
    Additional abbreviations may also be used though not in the above list.
 
For value received, --------------------- hereby sell, assign and transfer unto
 
PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFYING NUMBER OF ASSIGNEE ------------------------------------
 
- --------------------------------------------------------------------------------
  (PLEASE PRINT OR TYPE NAME AND ADDRESS, INCLUDING POSTAL CODE, OF ASSIGNEE)
 
- --------------------------------------------------------------------------------
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
- ------------------------------------ shares represented by the within
certificate, and do hereby irrevocably constitute and appoint
- ------------------------------------ Attorney to transfer the said shares on the
books of the Corporation with full power of substitution in the premises.
 
Dated
- ------------------------------------
 
                             ---------------------------------------------------
 
<TABLE>
<C>                                         <S>
                                   NOTICE:  THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE
                                            NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY
                                            PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
                                            WHATEVER.
                  SIGNATURE(S) GUARANTEED:  THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE
                                            GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN
                                            ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN
                                            APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO
                                            S.E.C. RULE 17Ad-15.
</TABLE>

<PAGE>   1
 
                                                                     EXHIBIT 4.3
 
     SERIES B PREFERRED                              SERIES B PREFERRED
           NUMBER           [LOGO APPEARS HERE]           SHARES
   ---------------------                            ---------------------
           SFPB-
 
<TABLE>
<CAPTION>
 
<C>                                                           <S>
          SECURITY FIRST TECHNOLOGIES CORPORATION             SEE REVERSE SIDE
                                                              FOR CERTAIN
                                                              LEGENDS
 
    INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE
</TABLE>
 
This Certifies that
 
is the owner of
 
FULLY PAID AND NONASSESSABLE SHARES OF SERIES B REDEEMABLE CONVERTIBLE PREFERRED
STOCK, PAR VALUE $0.01 PER SHARE, OF
 
Security First Technologies Corporation (the "Corporation"), a Delaware
corporation with its principal executive office located in Atlanta, Georgia. The
shares represented by this certificate are transferable only on the stock
transfer books of the Corporation by the holder of record hereof, or by his or
her duly authorized attorney or legal representative, upon the surrender of this
certificate properly endorsed.
 
     This certificate is not valid unless countersigned and registered by the
Transfer Agent and Registrar.
 
     IN WITNESS WHEREOF, the Corporation has caused this certificate to be
executed by the signature of its duly authorized officers and has caused its
corporate seal to be hereunto affixed.
 
Dated:
 
                    SECURITY FIRST TECHNOLOGIES CORPORATION
 
                              [SEAL APPEARS HERE]
 
                                              By:
- ------------------------------                   ------------------------------
SECRETARY                                                  PRESIDENT
 
COUNTERSIGNED AND REGISTERED:
 
                                    TRANSFER AGENT
                                    AND REGISTRAR
 
                                    AUTHORIZED SIGNATURE
<PAGE>   2
 
                    SECURITY FIRST TECHNOLOGIES CORPORATION
 
     The shares represented by this certificate are issued subject to all the
provisions of the certificate of incorporation and bylaws of Security First
Technologies Corporation (the "Corporation") as from time to time amended
(copies of which are on file at the principal executive office of the
Corporation), to all of which the holder by acceptance hereof assents.
 
     The Corporation is authorized to issue more than one class or series of
stock. The Corporation will furnish to any shareholder, upon request and without
charge, a full statement of the powers, designations, preferences and relative,
participating, optional, or other special rights of each authorized class of
stock or series thereof and the qualifications, limitations or restrictions of
such preferences and/or rights, to the extent that the same have been fixed, and
of the authority of the board of directors to designate the same with respect to
other series. Such request may be made to the Corporation at its principal
executive office.
 
     The following abbreviations, when used in the inscription on the face of
this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:
 
<TABLE>
<C>                  <S>                              <C>                              <C>
            TEN COM  - as tenants in common                        UNIF GIFT MIN ACT-  ---------Custodian ---------
            TEN ENT  - as tenants by the entireties                                    (Cust)               (Minor)
             JT TEN  - as joint tenants with right                                     under Uniform Gifts to Minors
                       of survivorship and not as                                        Act ------------------
                       tenants in common                                                          (State)
</TABLE>
 
    Additional abbreviations may also be used though not in the above list.
 
For value received, -------------------- hereby sell, assign and transfer unto
 
PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFYING NUMBER OF ASSIGNEE ------------------------------------
 
- --------------------------------------------------------------------------------
  (PLEASE PRINT OR TYPE NAME AND ADDRESS, INCLUDING POSTAL CODE, OF ASSIGNEE)
 
- --------------------------------------------------------------------------------
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
- ------------------------------------ shares represented by the within
certificate, and do hereby irrevocably constitute and appoint
- ------------------------------------ Attorney to transfer the said shares on the
books of the Corporation with full power of substitution in the premises.
 
Dated
- ------------------------------------
 
                             ---------------------------------------------------
 
<TABLE>
<C>                                         <S>
                                   NOTICE:  THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE
                                            NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY
                                            PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
                                            WHATEVER.
                  SIGNATURE(S) GUARANTEED:  THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE
                                            GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN
                                            ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN
                                            APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO
                                            S.E.C. RULE 17Ad-15.
</TABLE>

<PAGE>   1
 
                                                                    EXHIBIT 13.1
 
                    SECURITY FIRST TECHNOLOGIES CORPORATION
                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                              PAGE
                                                              ----
<S>                                                           <C>
SECURITY FIRST TECHNOLOGIES CORPORATION
 
Independent Auditors' Report................................  F-2
Consolidated Balance Sheets as of December 31, 1997 and
  1998......................................................  F-3
Consolidated Statements of Operations for the years ended
  December 31, 1996, 1997 and 1998..........................  F-4
Consolidated Statements of Stockholders' Equity and
  Comprehensive Income (Loss) for the years ended December
  31, 1996, 1997 and 1998...................................  F-5
Consolidated Statements of Cash Flows for the years ended
  December 31, 1996, 1997 and 1998..........................  F-7
Notes to Consolidated Financial Statements for the years
  ended December 31, 1996, 1997
  and 1998..................................................  F-8
</TABLE>
 
                                       F-1
<PAGE>   2
 
                          INDEPENDENT AUDITORS' REPORT
 
The Board of Directors
Security First Technologies Corporation:
 
We have audited the accompanying consolidated balance sheets of Security First
Technologies Corporation and subsidiary as of December 31, 1997 and 1998, and
the related consolidated statements of operations, stockholders' equity and
comprehensive income (loss), and cash flows for each of the years in the three
year period ended December 31, 1998. These consolidated financial statements are
the responsibility of the Company's management. Our responsibility is to express
an opinion on these consolidated 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 consolidated financial statements referred to above present
fairly, in all material respects, the financial position of Security First
Technologies Corporation and subsidiary as of December 31, 1997 and 1998, and
the results of their operations and their cash flows for each of the years in
the three year period ended December 31, 1998 in conformity with generally
accepted accounting principles.
 
                                                              KPMG LLP
 
Atlanta, Georgia
February 4, 1999
 
                                       F-2
<PAGE>   3
 
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
                          CONSOLIDATED BALANCE SHEETS
 
<TABLE>
<CAPTION>
                                                                 DECEMBER 31,
                                                              -------------------
                                                                1997       1998
                                                              --------   --------
                                                                (IN THOUSANDS,
                                                               EXCEPT SHARE AND
                                                                PER SHARE DATA)
<S>                                                           <C>        <C>
ASSETS
Current assets:
Cash and cash equivalents...................................  $  3,137   $ 14,504
Investment securities available for sale (cost of $16,759 at
  December 31, 1997 and $1,800 at December 31, 1998,
  respectively) (note 4)....................................    16,814      3,936
Accounts receivable, net of allowance for doubtful accounts
  of $257 at December 31, 1997 and $415 at December 31,
  1998......................................................     4,633     17,520
Other current assets........................................       531      1,310
                                                              --------   --------
  Total current assets......................................    25,115     37,270
Premises and equipment, net (note 5)........................     5,797      5,355
Intangible assets, net (note 1).............................     4,622      2,914
  Other assets..............................................       658      2,754
                                                              --------   --------
  Total assets..............................................  $ 36,192   $ 48,293
                                                              ========   ========
 
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable............................................  $    486   $  3,232
Accrued expenses............................................     1,550      4,386
Deferred revenues...........................................     6,659     10,378
Current portion of capital lease obligation (note 8)........        --        875
                                                              --------   --------
  Total current liabilities.................................     8,695     18,871
Deferred revenues...........................................     2,357     12,034
Capital lease obligation, excluding current portion (note
  8)........................................................        --        159
                                                              --------   --------
  Total liabilities.........................................    11,052     31,064
                                                              --------   --------
Stockholders' equity (notes 6 and 9):
Preferred stock, $0.01 par value. Authorized 5,000,000
  shares....................................................     2,679     11,911
Common stock, $0.01 par value. Authorized 60,000,000 shares.
  Issued and outstanding 10,487,245 and 12,263,502 shares at
  December 31, 1997 and 1998, respectively..................       105        123
Additional paid-in capital..................................    74,487     86,933
Accumulated deficit.........................................   (52,035)   (82,840)
Accumulated other comprehensive income:
  Net unrealized gains on investment securities available
     for sale, net of taxes.................................        55      1,325
  Cumulative foreign currency translation adjustment........      (151)      (223)
                                                              --------   --------
  Total stockholders' equity................................    25,140     17,229
                                                              --------   --------
Commitments (notes 8 and 10)
  Total liabilities and stockholders' equity................  $ 36,192   $ 48,293
                                                              ========   ========
</TABLE>
 
See accompanying notes to consolidated financial statements.
 
                                       F-3
<PAGE>   4
 
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
 
<TABLE>
<CAPTION>
                                                                         YEAR ENDED DECEMBER 31,
                                                            -------------------------------------------------
                                                                 1996             1997             1998
                                                            --------------   --------------   ---------------
                                                             (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
<S>                                                         <C>              <C>              <C>
Revenues (note 11):
Software licenses.........................................    $      512       $    4,142       $     4,781
Professional services.....................................           699            6,277            16,218
Data center...............................................            56              411             3,181
                                                              ----------       ----------       -----------
  Total revenues..........................................         1,267           10,830            24,180
                                                              ----------       ----------       -----------
Direct costs:
Software licenses.........................................           796            1,605               503
Professional services.....................................           535            5,346            10,527
Data center...............................................         2,266            6,947             7,218
                                                              ----------       ----------       -----------
  Total direct costs......................................         3,597           13,898            18,248
                                                              ----------       ----------       -----------
Gross margin..............................................        (2,330)          (3,068)            5,932
Operating expenses:
Selling and marketing.....................................         2,154            4,305             4,723
Product development.......................................         4,048           10,507            14,625
General and administrative................................         3,635            4,637             5,994
Depreciation and amortization.............................           256            1,741             5,347
Amortization of goodwill and acquisition charges..........         7,072            4,525             4,384
                                                              ----------       ----------       -----------
  Total operating expenses................................        17,165           25,715            35,073
                                                              ----------       ----------       -----------
Operating loss............................................       (19,495)         (28,783)          (29,141)
Interest income...........................................         1,672            1,481               583
                                                              ----------       ----------       -----------
Loss from continuing operations...........................       (17,823)         (27,302)          (28,558)
Discontinued operations (note 2):
Loss from operations......................................        (4,236)            (689)           (3,059)
Gain on sale..............................................            --               --               812
                                                              ----------       ----------       -----------
Loss from discontinued operations.........................        (4,236)            (689)           (2,247)
                                                              ----------       ----------       -----------
  Net loss................................................    $  (22,059)      $  (27,991)      $   (30,805)
                                                              ==========       ==========       ===========
Basic and diluted net loss per common share from
  continuing operations...................................    $    (3.03)      $    (3.06)      $     (2.59)
Basic and diluted net loss per common share from
  discontinued operations.................................    $    (0.73)      $    (0.08)      $     (0.21)
                                                              ----------       ----------       -----------
Basic and diluted net loss per common share...............    $    (3.76)      $    (3.14)      $     (2.80)
                                                              ==========       ==========       ===========
Weighted average number of shares of common stock
  outstanding.............................................     5,874,000        8,922,762        11,018,326
                                                              ==========       ==========       ===========
</TABLE>
 
See accompanying notes to consolidated financial statements.
 
                                       F-4
<PAGE>   5
 
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (LOSS)
             FOR THE YEARS ENDED DECEMBER 31, 1996, 1997, AND 1998
 
                       (IN THOUSANDS, EXCEPT SHARE DATA)
<TABLE>
<CAPTION>
                                        CONVERTIBLE PREFERRED STOCK
                                   --------------------------------------                                        RETAINED
                                        SERIES A            SERIES B           COMMON STOCK       ADDITIONAL    EARNINGS/
                                   ------------------   -----------------   -------------------    PAID-IN     (ACCUMULATED
                                    SHARES     AMOUNT   SHARES    AMOUNT      SHARES     AMOUNT    CAPITAL       DEFICIT)
                                   ---------   ------   -------   -------   ----------   ------   ----------   ------------
<S>                                <C>         <C>      <C>       <C>       <C>          <C>      <C>          <C>
Balance at December 31, 1995.....         --   $   --        --   $    --    2,400,000    $ 24     $ 2,328       $  1,015
  Net loss.......................         --       --        --        --           --      --          --        (22,059)
  Cash dividend declared.........         --       --        --        --           --      --          --         (3,000)
  Change in net unrealized gains
    on investment securities
    available for sale...........         --       --        --        --           --      --          --             --
  Proceeds from preferred and
    common stock offering, net of
    expenses.....................  1,637,832    2,047        --        --    3,772,792      38      56,783             --
  Issuance of common stock in
    acquisition..................         --       --        --        --    1,920,000      19       2,381             --
  Common stock issued upon
    exercise of stock options....         --       --        --        --      167,231       2         206             --
  Stock option compensation......         --       --        --        --           --      --         946             --
  Comprehensive income (loss)....
                                   ---------   ------   -------   -------   ----------    ----     -------       --------
Balance at December 31, 1996.....  1,637,832   $2,047        --   $    --    8,260,023    $ 83     $62,644       $(24,044)
  Net loss.......................         --       --        --        --           --      --          --        (27,991)
  Change in net unrealized gains
    on investment securities
    available for sale...........         --       --        --        --           --      --          --             --
  Conversion of preferred stock
    to common stock..............   (546,700)    (683)       --        --      546,700       5         678             --
  Proceeds from issuance of
    preferred and common stock,
    net of expenses..............    159,952    1,315        --        --      569,978       6       4,670             --
  Issuance of common stock in
    acquisition..................         --       --        --        --    1,000,000      10       5,691             --
  Common stock issued upon the
    exercise of stock options....         --       --        --        --      110,544       1         148             --
  Stock option compensation......         --       --        --        --           --      --         656             --
  Cumulative foreign currency
    translation adjustment.......         --       --        --        --           --      --          --             --
  Comprehensive income (loss)....
                                   ---------   ------   -------   -------   ----------    ----     -------       --------
Balance at December 31, 1997.....  1,251,084   $2,679        --   $    --   10,487,245    $105     $74,487       $(52,035)
 
<CAPTION>
 
                                    ACCUMULATED
                                       OTHER           TOTAL
                                   COMPREHENSIVE   STOCKHOLDERS'   COMPREHENSIVE
                                      INCOME          EQUITY          INCOME
                                   -------------   -------------   -------------
<S>                                <C>             <C>             <C>
Balance at December 31, 1995.....     $   30         $  3,397
  Net loss.......................         --          (22,059)       $(22,059)
  Cash dividend declared.........         --           (3,000)
  Change in net unrealized gains
    on investment securities
    available for sale...........         99               99              99
  Proceeds from preferred and
    common stock offering, net of
    expenses.....................         --           58,868
  Issuance of common stock in
    acquisition..................         --            2,400
  Common stock issued upon
    exercise of stock options....         --              208
  Stock option compensation......         --              946
                                                                     --------
  Comprehensive income (loss)....                                    $(21,960)
                                      ------         --------        --------
Balance at December 31, 1996.....     $  129         $ 40,859
  Net loss.......................         --          (27,991)        (27,991)
  Change in net unrealized gains
    on investment securities
    available for sale...........        (74)             (74)            (74)
  Conversion of preferred stock
    to common stock..............         --               --
  Proceeds from issuance of
    preferred and common stock,
    net of expenses..............         --            5,991
  Issuance of common stock in
    acquisition..................         --            5,701
  Common stock issued upon the
    exercise of stock options....         --              149
  Stock option compensation......         --              656
  Cumulative foreign currency
    translation adjustment.......       (151)            (151)           (151)
                                                                     --------
  Comprehensive income (loss)....                                    $(28,216)
                                      ------         --------        --------
Balance at December 31, 1997.....     $  (96)        $ 25,140
</TABLE>
 
                                       F-5
<PAGE>   6
 
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (LOSS)
                                 -- (CONTINUED)
 
<TABLE>
<CAPTION>
                                        CONVERTIBLE PREFERRED STOCK
                                   --------------------------------------                                        RETAINED
                                        SERIES A            SERIES B           COMMON STOCK       ADDITIONAL    EARNINGS/
                                   ------------------   -----------------   -------------------    PAID-IN     (ACCUMULATED
                                    SHARES     AMOUNT   SHARES    AMOUNT      SHARES     AMOUNT    CAPITAL       DEFICIT)
                                   ---------   ------   -------   -------   ----------   ------   ----------   ------------
<S>                                <C>         <C>      <C>       <C>       <C>          <C>      <C>          <C>
Net loss.........................         --       --        --        --           --      --          --        (30,805)
Change in net unrealized gains on
  investment securities available
  for sale.......................         --       --        --        --           --      --          --             --
Conversion of preferred stock to
  common stock...................   (614,620)    (768)       --        --      614,620       6         762             --
Sale of common stock, net of
  expenses.......................         --       --        --        --       92,593       1         969             --
Sale of preferred stock..........         --       --   749,064    10,000           --      --          --             --
Common stock issued upon the
  exercise of stock options......         --       --        --        --      757,732       8       4,831             --
Stock option compensation........         --       --        --        --           --      --         787             --
Issuance of options to acquire
  common and preferred stock.....         --       --        --        --           --      --       1,300             --
Issuance of common stock in
  exchange for purchased
  technology.....................         --       --        --        --      181,610       2       1,998             --
Issuance of common stock in
  exchange for marketable equity
  securities.....................         --       --        --        --      129,702       1       1,799             --
Cumulative foreign currency
  translation adjustment.........         --       --        --        --           --      --          --             --
Comprehensive income (loss)......
                                   ---------   ------   -------   -------   ----------    ----     -------       --------
Balance at December 31, 1998.....    636,464   $1,911   749,064   $10,000   12,263,502    $123     $86,933       $(82,840)
                                   =========   ======   =======   =======   ==========    ====     =======       ========
 
<CAPTION>
 
                                    ACCUMULATED
                                       OTHER           TOTAL
                                   COMPREHENSIVE   STOCKHOLDERS'   COMPREHENSIVE
                                      INCOME          EQUITY          INCOME
                                   -------------   -------------   -------------
<S>                                <C>             <C>             <C>
Net loss.........................         --          (30,805)        (30,805)
Change in net unrealized gains on
  investment securities available
  for sale.......................      1,270            1,270           1,270
Conversion of preferred stock to
  common stock...................         --               --
Sale of common stock, net of
  expenses.......................         --              970
Sale of preferred stock..........         --           10,000
Common stock issued upon the
  exercise of stock options......         --            4,839
Stock option compensation........         --              787
Issuance of options to acquire
  common and preferred stock.....         --            1,300
Issuance of common stock in
  exchange for purchased
  technology.....................         --            2,000
Issuance of common stock in
  exchange for marketable equity
  securities.....................         --            1,800
Cumulative foreign currency
  translation adjustment.........        (72)             (72)            (72)
                                                                     --------
Comprehensive income (loss)......                                    $(29,607)
                                      ------         --------        ========
Balance at December 31, 1998.....     $1,102         $ 17,229
                                      ======         ========
</TABLE>
 
See accompanying notes to consolidated financial statements.
 
                                       F-6
<PAGE>   7
 
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                                 YEAR ENDED DECEMBER 31,
                                                              ------------------------------
                                                                1996       1997       1998
                                                              --------   --------   --------
                                                                      (IN THOUSANDS)
<S>                                                           <C>        <C>        <C>
Cash flows from operating activities:
Net loss....................................................  $(22,059)  $(27,991)  $(30,805)
Adjustments to reconcile net loss to net cash used in
  operating activities:
Loss from discontinued operations...........................     4,236        689      3,059
Gain on sale of discontinued operations.....................        --         --       (812)
Depreciation and amortization including acquisition
  charges...................................................     1,471      4,996      9,958
Write-down of purchased technology..........................        --      1,400         --
Charge for in-process research and development..............     6,800         --         --
Compensation expense for stock options......................       946        656      1,592
Provision for doubtful accounts receivable..................        --        257        871
Increase in accounts receivable.............................    (1,216)    (3,252)   (14,213)
Decrease (increase) in other assets.........................       880       (807)       110
(Decrease) increase in accounts payable.....................    (2,423)    (1,920)     2,746
Increase (decrease) in accrued expenses.....................       674         (6)     2,194
Increase in deferred revenue................................     1,607      7,409     13,396
                                                              --------   --------   --------
  Net cash used in continuing operations....................    (9,084)   (18,569)   (11,904)
Net cash (used in) provided by discontinued operations......    (5,895)     3,213      3,310
                                                              --------   --------   --------
                                                               (14,979)   (15,356)    (8,594)
                                                              --------   --------   --------
Cash flows from investing activities:
Sale of banking operations..................................        --         --      1,500
Business acquisitions, net of cash and cash equivalents
  acquired..................................................    (4,876)        --         --
Purchases of investment securities available for sale.......   (58,330)    (8,736)        --
Sales of investment securities available for sale...........     8,956     14,979      1,983
Maturities of investment securities available for sale......    19,000      5,000      8,000
Purchases of premises and equipment.........................    (5,435)    (2,861)    (4,097)
                                                              --------   --------   --------
  Net cash (used in) provided by investing activities.......   (40,685)     8,382      7,386
                                                              --------   --------   --------
Cash flows from financing activities:
Sale of preferred stock.....................................     2,047      1,315     10,000
Sale of common stock, net of expenses.......................    56,821      4,676        970
Proceeds from exercise of stock options.....................       208        149      3,634
Dividends paid..............................................    (3,000)        --         --
Payments on capital lease obligations.......................        --         --     (1,070)
                                                              --------   --------   --------
  Net cash provided by financing activities.................    56,076      6,140     13,534
                                                              --------   --------   --------
Effect of exchange rate changes on cash and cash
  equivalents...............................................        --       (151)      (208)
Cash held in escrow, included in other assets...............        --         --       (751)
                                                              --------   --------   --------
Net increase (decrease) in cash and cash equivalents........       412       (985)    11,367
Cash and cash equivalents at beginning of period............     3,710      4,122      3,137
                                                              --------   --------   --------
Cash and cash equivalents at end of period..................  $  4,122   $  3,137   $ 14,504
                                                              ========   ========   ========
Noncash financing and investing activities:
Issuance of common stock for purchased technology...........        --         --      2,000
Issuance of common stock in exchange for marketable equity
  securities................................................        --         --      1,800
Capital lease obligations...................................        --         --      2,026
Conversion of preferred stock to common stock...............        --        683        768
Acquisition of businesses through issuance of common
  stock.....................................................     2,400      5,701         --
Investment securities transferred (from) to banking
  operations................................................    (1,659)     3,902      5,557
</TABLE>
 
See accompanying notes to consolidated financial statements.
 
                                       F-7
<PAGE>   8
 
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        DECEMBER 31, 1996, 1997 AND 1998
 
1. BUSINESS, PRESENTATION, AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
  Business and Presentation
 
     Security First Technologies Corporation, through its wholly-owned
subsidiary Security First Technologies, Inc. (collectively, "S1" or the
"Company"), develops integrated internet software applications that enable
financial service companies to offer products, services and transactions over
the internet in a secure environment. S1 also offers product integration,
training and data center processing services.
 
     S1 operates in three business segments, Professional Services, Data Center
and Product Development. The Professional Services segment provides integration,
training, consulting and product enhancement services related to S1's software
products. The Product Development segment creates new products to supplement the
existing product suite. The Data Center segment provides processing and support
services to the customers using S1's software products in the S1 data center. S1
manages the business based on these operating segments. The information
presented in the consolidated statements of operations reflects the revenues and
costs associated with these segments that management uses to make operating
decisions and assess performance.
 
     The consolidated financial statements include the accounts of Security
First Technologies Corporation and its wholly owned subsidiary, Security First
Technologies, Inc. Significant intercompany accounts and transactions have been
eliminated in consolidation. In preparing the consolidated financial statements,
management is required to make estimates and assumptions that affect the
reported amounts of assets and liabilities and disclosures of contingent
liabilities as of the date of the consolidated balance sheets and revenues and
expenses during the reporting periods. Actual results could differ from those
estimates.
 
     Security First Technologies Corporation is the successor company to
Security First Network Bank ("SFNB") as a result of the reorganization completed
on September 30, 1998. The reorganization has been accounted for in a manner
similar to a pooling of interests and, as a result, the historical financial
statements of SFNB have become the historical financial statements of the
Company. As more fully discussed in note 2, the Company sold its banking
operations, which have been presented as discontinued operations in the
accompanying consolidated financial statements.
 
     The technology market for internet related financial services is
characterized by significant risk as a result of rapid, evolving industry
standards, emerging competition and frequent new product and service
introductions. To a great extent, the Company's success is dependent on the
evolution of the technology markets for internet related banking services and on
its successful implementation of technology for internet related banking
services for certain large customers. Negative developments related to
technology for internet related banking services or problems in implementations
for large customers could have an adverse impact on the Company's financial
position and results of operations.
 
  Revenue Recognition and Deferred Revenues
 
     The Company derives revenues from licensing software to customers,
providing professional services to customers, and providing data center
processing services to customers.
 
     The Company recognizes revenue from software licensing agreements in
accordance with Statement of Position No. 97-2, "Software Revenue Recognition."
A substantial portion of the Company's software license revenue is being
recognized on a straight-line basis over either the term of the agreement or,
for contracts without a term, the estimated useful life of the Company's
software products, because of the Company's practice of bundling post-contract
support with its license agreements. If the software license fees are included
with other services which are essential to the functionality of the software,
the Company uses the percentage of completion method to recognize software
license revenue.
 
                                       F-8
<PAGE>   9
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Revenues derived from contracts to provide services on a time and materials
basis are recognized as the related services are performed. Revenues from
professional services, provided on a fixed fee basis, are recognized using the
percentage of completion method, measured by the percentage of contract costs
incurred to date to estimated total contract costs for each contract. Provisions
for estimated losses on uncompleted contracts are made in the period in which
such losses are determined. Professional services revenues also include
reimbursable expenses and computer equipment sales.
 
     Data center processing revenues are recognized as the services are
performed, and are determined based on the number of billable customer accounts
processed during the period or based upon certain agreed upon contractual
minimum fees.
 
     Deferred revenues represent payments received from customers for software
licenses or services in advance of revenue recognition.
 
  Cash and Cash Equivalents
 
     For purposes of reporting cash flows, cash and cash equivalents include
deposits with commercial banks with original maturities of 90 days or less.
 
  Investment Securities
 
     The Company accounts for investment securities in accordance with Statement
of Financial Accounting Standards ("SFAS") No. 115, "Accounting for Certain
Investments in Debt and Equity Securities". Under SFAS No. 115, investments in
equity and debt securities are classified as held to maturity, trading or
available for sale. Trading securities are reported at fair value, with changes
in fair value included in the statement of operations, while available-for-sale
securities are reported at fair value, with net unrealized gains or losses
included as a component of stockholders' equity. Held to maturity securities are
reported at amortized cost. Unrealized losses on all securities that are other
than temporary are reported in the statement of operations upon determination
that the loss is other than temporary. Amortization of premiums and accretion of
discounts are computed using the effective interest method and assumed
prepayment speeds. The specific identification method is used in determining
gains and losses on the sale of securities.
 
     Investment securities include marketable equity securities, U.S. Treasury
bills and debt securities of certain other U.S. government agencies with
original maturities of greater than 90 days and ranging up to five years.
 
  Premises and Equipment
 
     Premises and equipment are carried at cost, less accumulated depreciation
and amortization. Depreciation and amortization are computed using straight-line
and accelerated methods over the estimated useful lives of the related assets
ranging from 2 to 5 years. Leasehold improvements are amortized using the
straight-line method over the estimated useful life of the improvement or the
lease term, whichever is shorter. Amortization of assets held under capital
lease arrangements is included in depreciation and amortization.
 
  Product Development
 
     Product development includes all research and development expenses and
software development costs. All research and development expenses are expensed
as incurred. The Company's policy is to expense all software development costs
associated with establishing technological feasibility, which the Company
defines as completion of beta testing. Because of the insignificant amount of
costs incurred by the Company between completion of beta testing and customer
release, the Company has not capitalized any such software development costs in
the accompanying consolidated financial statements.
 
                                       F-9
<PAGE>   10
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
  Intangible Assets
 
     Intangible assets includes purchased technology of $3.1 million at December
31, 1998 and goodwill and other identifiable intangible assets of $6.0 million
at December 31, 1997 and 1998. Goodwill and other identifiable intangible assets
relate to the Company's acquisitions and are amortized over their estimated
useful lives (ranging from eight months to three years) using the straight-line
method. Purchased technology represents technology incorporated in the Company's
products and is amortized over the greater of the useful life of the purchased
technology (ranging from two to three years) or the ratio of current revenues to
anticipated total revenues. Accumulated amortization of intangible assets was
$1.4 million and $6.2 million at December 31, 1997 and 1998, respectively.
 
     The Company evaluates the recoverability of intangible assets at the end of
each period by comparing their carrying value to the undiscounted estimated
future net operating cash flows expected to be derived from such assets. If such
evaluation indicates a potential impairment, the Company uses fair value in
determining the amount of these intangible assets that should be written off.
 
  Stock Option Plans
 
     The Company accounts for its stock option plans in accordance with the
provisions of Accounting Principles Board ("APB") Opinion No. 25, "Accounting
for Stock Issued to Employees", and related interpretations. As such,
compensation expense is recorded on the date of grant only if the current market
price of the underlying stock exceeded the exercise price. In 1996, the Company
adopted SFAS No. 123, "Accounting for Stock-Based Compensation", which
encourages entities to recognize as expense over the vesting period the fair
value of all stock-based awards on the date of grant. Alternatively, SFAS No.
123 also allows entities to continue to apply the provisions of APB Opinion No.
25 and provide pro forma disclosures for employee stock option grants made in
1995 and future years as if the fair-value-based method defined in SFAS No. 123
had been applied. The Company has elected to continue to apply the provisions of
APB Opinion No. 25 and provide the pro forma disclosures required by SFAS No.
123.
 
  Earnings Per Common Share
 
     Basic earnings per share is calculated as income available to common
stockholders divided by the weighted average number of common shares outstanding
during the period. Diluted earnings per share is calculated to reflect the
potential dilution that would occur if stock options or other contracts to issue
common stock were exercised and resulted in additional common stock that would
share in the earnings of the Company. Because of the Company's net losses, the
issuance of additional shares of common stock under stock options or upon the
conversion of preferred stock would be antidilutive. The total number of common
shares that would have been included in the Company's computation of diluted
earnings per share if they had been dilutive was 10,159,355 in 1996, 12,468,278
in 1997 and 15,718,256 in 1998.
 
  Income Taxes
 
     The Company accounts for income taxes in accordance with the asset and
liability method of accounting for income taxes. Under the asset and liability
method, deferred income tax assets and liabilities are recognized for the future
tax consequences attributable to differences between the financial statement
carrying amounts of existing assets and liabilities and their respective tax
bases and net operating loss and tax credit carryforwards. Deferred income tax
assets and liabilities are measured using enacted tax rates expected to apply to
taxable income in the years in which those temporary differences are expected to
be recovered or settled. The effect on deferred income tax assets and
liabilities of a change in tax rates is recognized in income in the period that
includes the enactment date.
 
                                      F-10
<PAGE>   11
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
  Fair Values of Financial Instruments
 
     The Company uses financial instruments in the normal course of its
business. The carrying values of accounts receivable, accounts payable, accrued
expenses, and deferred revenues approximate fair value due to the short-term
maturities of these assets and liabilities. The fair values of the Company's
investment securities available for sale are included in Note 4 and are based on
quoted market prices. In addition, the carrying amount of the capital lease
obligation approximates fair value.
 
  Foreign Currency Translation
 
     Foreign currency financial statements of the Company's Australian
operations are translated into U.S. dollars at current exchange rates, except
for revenues, costs and expenses, which are translated at average exchange rates
during each reporting period. Net exchange gains or losses resulting from the
translation of assets and liabilities are accumulated in a separate section of
stockholders' equity titled accumulated other comprehensive income.
 
  Reclassifications
 
     Certain reclassifications have been made to the 1996 and 1997 consolidated
financial statements to conform to the presentation adopted in 1998.
 
  New Accounting Pronouncements
 
     In June 1997, the Financial Accounting Standards Board issued SFAS No. 130,
"Reporting Comprehensive Income". This statement establishes standards for
reporting and display of comprehensive income and its components in a full set
of general purpose financial statements. SFAS No. 130 requires all items that
are recognized under accounting standards as components of comprehensive income
be reported in a financial statement that is displayed in equal prominence with
the other annual financial statements. Currently, other comprehensive income for
the Company consists of items previously recorded as a component of
stockholders' equity under SFAS No. 52, "Foreign Currency Translation", and SFAS
No. 115, "Accounting for Certain Investments in Debt and Equity Securities." The
Company adopted the financial statement reporting disclosure requirements of
SFAS No. 130 during 1998 and has restated all periods presented to provide the
presentation required under SFAS No. 130.
 
     The Company did not have any significant realized gains for the years ended
December 31, 1996, 1997 and 1998, therefore, no reclassification adjustments are
presented for gains realized in income.
 
2. DISCONTINUED OPERATIONS
 
     On September 30, 1998, the Company completed the sale of its banking
operations to the Royal Bank of Canada, through one of its U.S. based
subsidiaries ("Royal Bank"). Royal Bank paid $3 million in excess of the net
assets sold less a $1.5 million holdback for indemnification which will be
received eighteen months from the closing date and is included in other assets
in the 1998 consolidated balance sheet. The banking operations included
substantially all of the loans and investment securities and deposit
relationships of SFNB and were legally separated from the technology operations
through the formation of a holding company. The Company recorded a gain of
$812,000 on the sale of the banking operations which included a $1.3 million
charge related to the estimated fair value of options to purchase the Company's
capital stock issued to Royal Bank in connection with the sale of the banking
operations. The options give Royal Bank the right to purchase 733,818 shares of
common and preferred stock for an aggregate of $10.0 million at prices ranging
from $11.88 to $15.81 per share at specified periods through June 2000. The
first option for 210,438 shares of common stock with a per share exercise price
of $11.88 was exercised in December 1998.
 
                                      F-11
<PAGE>   12
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The losses from the banking operations are reflected in the accompanying
consolidated statements of operations as discontinued operations. Net interest
income for the nine month period ended September 30, 1998 was $1.3 million and
the net loss, excluding the gain on disposal, was $3.1 million.
 
     In addition to the sale of the banking operations, the Company has entered
into technology licensing and consulting arrangements with Royal Bank for $6
million, which were effective September 30, 1998.
 
3. BUSINESS ACQUISITIONS
 
     On November 24, 1997, the Company completed the acquisition of Solutions By
Design, Inc. ("SBD"), a technology consulting firm. The Company exchanged
999,999 shares of restricted common stock with a value of approximately $5.7
million for all of the outstanding shares of SBD. The recipients of the shares
issued in the transaction were contractually restricted from selling any of the
common stock received for six months after issuance after which time they were
able to sell up to 25% of the total shares received annually thereafter. The
value of the common stock issued was discounted to reflect such restrictions. Of
the $6.2 million total purchase price, which included common stock valued at
$5.7 million and transaction costs and liabilities assumed of $500,000, $4.2
million was assigned to identifiable intangible assets and $2.0 million was
assigned to goodwill. The identifiable intangible assets include employment
contracts, which are amortized over the contract life of eight months,
exclusivity and non-solicitation agreements, which are amortized over the term
of the contract of 18 months, and assembled workforce, which is being amortized
over three years. The Company is amortizing goodwill over a period of two years,
which is the period that it will receive benefit from the projects that were
developed by the former SBD employees. Additionally, the Company has included
$489,000 of nonrecurring charges associated with the SBD acquisition in
amortization of goodwill and acquisition charges in the accompanying 1997
consolidated statement of operations. These amounts represent the premium paid
to SBD by the Company for services rendered during the fourth quarter of 1997
prior to consummation of the SBD acquisition. The acquisition was accounted for
using the purchase method of accounting and, accordingly, the results of
operations of SBD have been included in the results of operations of the Company
since the effective date of the acquisition.
 
     On November 4, 1996, the Company completed the acquisition of SecureWare,
Inc. ("SecureWare"), a computer software company which developed security and
encryption technology allowing users to conduct safe transactions over the
internet. SecureWare was merged into Five Paces, Inc. ("FPI") after the
acquisition. The Company exchanged cash consideration in the amount of $5.0
million and stock options for all of the outstanding common stock and stock
options of SecureWare. Of the total purchase price, which included $5.0 million
in cash and liabilities assumed of approximately $477,000, $3.3 million was
allocated to in-process research and development and charged to the consolidated
statement of operations at the acquisition date; $1.4 million was allocated to
purchased technology; and $777,000 was allocated to goodwill. Prior to the
acquisition, SecureWare was substantially owned by Michael F. McChesney, who
resigned as the Chairman of the Board of the Company in February 1999. The
acquisition was accounted for using the purchase method of accounting and,
accordingly, the results of operations of SecureWare have been included in the
results of operations of the Company since the effective date of the
acquisition.
 
     On May 23, 1996, the Company completed the acquisition of FPI, a computer
software company which developed computer banking technology. The Company
exchanged 1,920,000 shares of common stock with a value of $2.4 million for all
of the outstanding common stock of FPI. Of the total purchase price, which
included common stock valued at $2.4 million and liabilities assumed of
approximately $1.8 million, $3.5 million was allocated to in-process research
and development and charged to the consolidated statement of operations at the
acquisition date; $420,000 was allocated to purchased technology; and $234,000
was allocated to goodwill. Prior to the acquisition, FPI was substantially owned
by Mr. McChesney, who was appointed Chairman of the Company subsequent to the
acquisition. The acquisition was accounted for using
 
                                      F-12
<PAGE>   13
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
the purchase method of accounting and, accordingly, the results of operations of
FPI have been included in the results of operations of the Company since the
effective date of the acquisition.
 
     During 1997, the Company expensed the unamortized balance of goodwill and
purchased technology resulting from the FPI and SecureWare acquisitions of
approximately $1.4 million which has been included in amortization of goodwill
and acquisition charges in the accompanying 1997 consolidated statement of
operations. The Company made this assessment after determining that there was
limited future cash flows associated with the intangible assets acquired. Fair
value was determined as the present value of the future cash flows. S1 made the
strategic decision to refocus the resources which had been involved in the
development and marketing of the network security products acquired from
SecureWare towards the Virtual Financial Manager suite of products and related
services and, therefore, it did not believe there would be significant future
revenues from the acquired products. As a result, the unamortized balances for
purchased technology and goodwill related to the SecureWare acquisition of $0.6
million and $0.4 million, respectively, were charged off in the 1997 Statement
of Operations. Because of a significant rewrite of S1's Virtual Bank Manager
product, management did not anticipate that there would be any future sales of
the version of Virtual Bank Manager which was acquired from FPI. As a result,
the Company wrote off the balance of $0.2 million of purchased technology and
$0.2 million of goodwill related to the FPI acquisition.
 
     The following unaudited pro forma financial information presents the
combined results of operations of the Company, SBD, SecureWare, and FPI as if
the acquisitions had occurred as of January 1, 1996 with respect to the 1996
amounts and January 1, 1997 with respect to the 1997 amounts. The unaudited pro
forma results do not necessarily represent results of operations which would
have occurred if the acquisitions had occurred on the dates indicated nor are
they necessarily indicative of the results of future operations.
 
<TABLE>
<CAPTION>
                                                                        YEAR ENDED
                                                                       DECEMBER 31,
                                                                    -------------------
                                                                      1996       1997
                                                                    --------   --------
                                                                      (IN THOUSANDS)
      <S>                                                           <C>        <C>
      Revenues....................................................  $  5,118   $ 13,838
      Net loss....................................................   (25,100)   (28,602)
      Basic net loss per common share.............................     (3.59)     (2.93)
</TABLE>
 
4. INVESTMENT SECURITIES AVAILABLE FOR SALE
 
     The amortized cost and fair value of investment securities available for
sale and gross unrealized gains and losses at December 31, 1997 are summarized
as follows:
 
<TABLE>
<CAPTION>
                                                                         DECEMBER 31, 1997
                                                                ------------------------------------
                                                                              UNREALIZED
                                                                AMORTIZED   --------------    FAIR
                                                                  COST      GAINS   LOSSES    VALUE
                                                                ---------   -----   ------   -------
                                                                           (IN THOUSANDS)
      <S>                                                       <C>         <C>     <C>      <C>
      U.S. Treasury and U.S. Government agencies..............   $22,802    $ 97     $ 22    $22,877
      Less investment securities allocated to discontinued
        banking operations....................................    (6,043)    (30)     (10)    (6,063)
                                                                 -------    ----     ----    -------
      U.S. Treasury and U.S. government agencies allocated to
        continuing operations.................................   $16,759    $ 67     $ 12    $16,814
                                                                 =======    ====     ====    =======
</TABLE>
 
     At December 31, 1998, investment securities available for sale consisted
entirely of marketable equity securities (123,001 shares of BroadVision, Inc.)
with a cost of $1.8 million, fair value of $3,936,000, and an unrealized gain of
$2,136,000. The Company is restricted from selling these securities through
December 1999.
 
                                      F-13
<PAGE>   14
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Proceeds from the sales of investment securities were $8,956,000,
$14,979,000 and $1,983,000 in 1996, 1997 and 1998, respectively. Gross gains of
approximately $6,000 in 1996, $5,000 in 1997 and $4,000 in 1998 and gross losses
of approximately $14,000 in 1996 and $4,000 in 1997 were realized on sales of
investment securities.
 
5. PREMISES AND EQUIPMENT
 
     A summary of premises and equipment at December 31, 1997 and 1998 follows:
 
<TABLE>
<CAPTION>
                                                                     1997      1998
                                                                    -------   -------
                                                                     (IN THOUSANDS)
      <S>                                                           <C>       <C>
      Leasehold improvements......................................  $ 1,758   $ 2,215
      Furniture and fixtures......................................    1,572     1,720
      Computer equipment..........................................    4,113     5,739
      Software....................................................    1,250     1,663
                                                                    -------   -------
                                                                      8,693    11,337
      Accumulated depreciation and amortization...................   (2,896)   (5,982)
                                                                    -------   -------
                                                                    $ 5,797   $ 5,355
                                                                    =======   =======
</TABLE>
 
     During 1998, the Company terminated a data center facilities management
agreement and, as a result, purchased approximately $1.8 million of computer
equipment. Immediately thereafter, the Company entered into a sale-leaseback
arrangement for this computer equipment with a third party which is accounted
for as a capital lease. The Company recorded a charge which has been included in
depreciation and amortization of approximately $1.2 million to adjust the
carrying value of the leased computer equipment to its fair market value.
Additionally, the Company recorded a write-down of computer equipment of
$500,000 in 1998 to reflect the results of a physical inventory of computer
equipment.
 
6. STOCKHOLDERS' EQUITY
 
  Spin-Off from Cardinal Bancshares, Inc.
 
     A spin-off of the Company from Cardinal Bancshares, Inc. ("Cardinal")
occurred on May 23, 1996. The spin-off was effected pursuant to the Cardinal
Bancshares, Inc. Amended and Restated Plan of Distribution ("Plan of
Distribution"). Under the Plan of Distribution, following a payment of a $3.0
million cash dividend from the Company to Cardinal, Cardinal distributed pro
rata to each Cardinal stockholder of record on the record date 2,398,908 shares
of the Company's common stock and paid cash in lieu of fractional shares.
 
  Initial Public Offering
 
     On May 23, 1996, the Company sold 2,806,000 shares of common stock for
$52.8 million, net of offering expenses, in an underwritten initial public
offering.
 
  Sales of Common and Preferred Stock
 
     During 1996, immediately following the spin-off and distribution described
above, the Company sold 967,884 shares of common stock and 1,637,832 shares of
Class A convertible preferred for approximately $6 million.
 
     During 1997, the Company sold 569,978 shares of common stock and 159,952
shares of Class A convertible preferred stock for approximately $6 million.
 
     During 1998, the Company sold 92,593 shares of common stock for
approximately $1 million and 749,064 shares of Series B convertible redeemable
preferred stock for approximately $10 million.
 
                                      F-14
<PAGE>   15
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     In 1998, the Company entered into a relationship with BroadVision, Inc.
("BroadVision") where BroadVision purchased 181,610 shares of the Company's
common stock for $2.0 million by granting to the Company a software license and
prepaid royalty agreement which gives the Company the right to resell the
software by integrating the software with S1's software products. In addition,
the Company exchanged 129,702 shares of common stock valued at $1.8 million for
123,001 shares of BroadVision, based upon the average closing price of the
respective shares for the ten business days preceding July 31, 1998.
 
  Preferred Stock
 
     The Company has authorized 5,000,000 shares of $0.01 par value preferred
stock, of which 1,637,832 shares have been designated as Series A Convertible
Preferred Stock and 749,064 shares have been designated as Series B Redeemable
Convertible Preferred Stock. There were 1,251,084 and 636,464 shares of Series A
preferred outstanding at December 31, 1997 and 1998, respectively. There were
749,064 shares of Series B preferred outstanding at December 31, 1998. The terms
of the Series A and Series B preferred (the "Preferred Stock") provide the
holders with identical rights to common stockholders with respect to dividends
and distributions in the event of liquidation, dissolution, or winding up of the
Company. Except as described below, the Series A and Series B preferred is
nonvoting. Each series is entitled to vote as a single class on the following
matters: (i) any amendment to any charter provision that would change the
specific terms of that series which would adversely affect the rights of the
holders of that series and (ii) the merger or consolidation of the Company with
another corporation or the sale, lease, or conveyance (other than by mortgage or
pledge) of the properties or business of the Company in exchange for securities
of another corporation if that series of Preferred Stock is to be exchanged for
securities of such other corporation and if the terms of such securities are
less favorable in any respect. Action requiring the separate approval of the
preferred stockholders requires the approval of two-thirds of the shares of
Preferred Stock then outstanding voting as a separate class. In addition,
holders of the Series A and Series B preferred are entitled to vote with the
holders of common stock as if a single class, on any voluntary dissolution or
liquidation of the Company. Holders of Series B preferred also are entitled to
vote with the holders of the common stock on any merger, acquisition,
consolidation or other business combination involving the Company and the sale,
lease or conveyance other than by mortgage or pledge of all or substantially all
of the Company's assets or properties. When the Series A preferred votes with
the common stock on a dissolution or liquidation, each share of Series A
preferred is entitled to one vote. When the Series B preferred is entitled to
vote with the common stock, the holders of Series B preferred are entitled to
the number of votes equal to the number of shares of common stock into which the
Series B preferred could be converted. Subject to certain limitations related to
ownership, each share of Series A preferred is convertible into one share of
common stock at the option of the holder. The 749,064 shares of Series B
preferred are convertible at the option of the holder after October 1, 2000 into
535,045 shares of common stock based on a conversion price of $18.69. The number
of shares of common stock into which the Series A preferred and Series B
preferred are convertible is subject to adjustment. The Series B preferred is
redeemable at the option of the Company through September 2000 by paying the
holder $10,000,000 plus interest.
 
  Capital Stock Option
 
     As part of the sale of the banking operations to Royal Bank, the Company
has issued to Royal Bank four separate options to purchase up to an aggregate
$10 million in capital stock of the Company. The first option for 210,438 shares
of common stock has a per share exercise price of $11.88 and was exercised by
Royal Bank in December 1998. The second option for 191,278 shares has a per
share exercise price of $13.07 and expires at the end of June 1999. The third
option for 173,974 shares has a per share exercise price of $14.38 and expires
at the end of December 1999. The fourth option for 158,128 shares has a per
share exercise price of $15.81 and expires at the end of June 2000. As of
December 31, 1998, options to acquire 523,380 shares of the Company's capital
stock remain outstanding.
 
                                      F-15
<PAGE>   16
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
7. INCOME TAXES
 
     The Company was included in the consolidated Federal income tax returns
filed by Cardinal Bancshares, Inc. through the effective date of the spin-off of
May 23, 1996. The Company has filed its own separate consolidated Federal income
tax returns since that time. Income tax benefits applicable to the Company
through the date of the spin-off were paid to the Company by Cardinal. The
Company has provided for income taxes for all periods included herein as if it
were filing separate income tax returns.
 
     The Company has not recorded an income tax benefit for 1996, 1997 or 1998
because operating losses were incurred and a valuation allowance has been
recorded against substantially all deferred income tax assets, primarily
comprised of the net operating loss carryforwards.
 
     The components of income tax benefit for 1996, all of which relates to the
discontinued operations, are as follows:
 
<TABLE>
<CAPTION>
                                                                    (IN THOUSANDS)
      <S>                                                           <C>
      Current income tax benefit..................................      $ (87)
      Deferred income tax benefit.................................       (289)
                                                                        -----
                Total income tax benefit..........................      $(376)
                                                                        =====
</TABLE>
 
     The income tax effects of the temporary differences that give rise to the
Company's deferred income tax assets and liabilities as of December 31, 1997 and
1998 are as follows:
 
<TABLE>
<CAPTION>
                                                                     1997      1998
                                                                    -------   -------
                                                                     (IN THOUSANDS)
      <S>                                                           <C>       <C>
      Deferred income tax assets:
           Net operating loss carryforwards.......................  $13,577   $17,403
           Deferred compensation..................................      742     1,063
           Deferred revenue.......................................    3,426     8,516
           Other..................................................       96     1,249
                                                                    -------   -------
                Total gross deferred income tax assets............   17,841    28,231
                                                                    -------   -------
           Valuation allowance for deferred income tax assets.....  (16,932)  (27,808)
                                                                    -------   -------
                Total deferred income tax assets..................      909       423
                                                                    -------   -------
      Deferred income tax liabilities:
           Unrealized gains on investment securities available for
            sale..................................................       --       812
           Other..................................................      909       286
                                                                    -------   -------
                Total gross deferred income tax liabilities.......      909     1,098
                                                                    -------   -------
      Net deferred income tax liability, included in accrued
        expenses..................................................       --      $675
                                                                    =======   =======
</TABLE>
 
     The valuation allowance increased $7,077,000, $9,855,000, and $10,876,000
during the years ended December 31, 1996, 1997 and 1998, respectively. Deferred
income tax assets and liabilities are recognized for differences between the
financial statement carrying amounts and the tax bases of assets and liabilities
which will result in future deductible or taxable amounts and for net operating
loss and tax credit carryforwards. A valuation allowance is then established to
reduce the deferred income tax assets to the level at which it is "more likely
than not" that the tax benefits will be realized. Realization of tax benefits of
deductible temporary differences and operating loss and tax credit carryforwards
depends on having sufficient taxable income within the carryback and
carryforward periods. Sources of taxable income that may allow for the
realization of tax benefits include (1) taxable income in the current year or
prior years that is available through carryback, (2) future taxable income that
will result from the reversal of existing taxable temporary differences, and (3)
future taxable income generated by future operations. Because of the
uncertainties with
 
                                      F-16
<PAGE>   17
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
respect to the Company's ability to achieve and sustain profitable operations in
the future, the Company has recorded a valuation allowance to offset
substantially all of its net deferred income tax assets.
 
     At December 31, 1998, the Company has net operating loss carryforwards of
approximately $49.3 million which begin to expire as indicated below, unless
utilized. Of this amount, $3.5 million related to stock option tax deductions
will be reflected as additional paid-in capital when realized.
 
<TABLE>
<CAPTION>
YEAR                                      CARRYFORWARD AMOUNT    EXPIRATION DATE
- ----                                      -------------------    ---------------
<S>                                       <C>                    <C>
1995..................................        $    47,000             2010
1996..................................         13,402,000             2011
1997..................................         21,965,000             2012
1998..................................         13,836,000             2018
                                              -----------
                                              $49,250,000
                                              ===========
</TABLE>
 
8. COMMITMENTS
 
  Lease Commitment
 
     The Company leases office facilities and computer equipment under
noncancelable operating lease agreements which expire in 2002. Future minimum
annual payments under all operating lease agreements with remaining terms
greater then one year for the next four years as of December 31, 1998 are as
follows:
 
<TABLE>
<S>                                                           <C>
1999........................................................  $1,888,000
2000........................................................   1,545,000
2001........................................................   1,080,000
2002........................................................      19,000
                                                              ----------
                                                              $4,532,000
                                                              ==========
</TABLE>
 
     Included in premises and equipment is computer equipment under a capital
lease with original cost and accumulated amortization of approximately $1.8
million and $1.2 million, respectively. Future minimum annual lease payments for
the capital lease as of December 31, 1998 are as follows:
 
<TABLE>
<S>                                                           <C>
1999........................................................  $  911,000
2000........................................................     165,000
                                                              ----------
                                                              $1,076,000
Less amount representing interest...........................      42,000
                                                              ----------
Present value of minimum lease payments including current
  portion of $875,000.......................................  $1,034,000
                                                              ==========
</TABLE>
 
     Rent expense under all noncancelable operating lease agreements for the
years ended December 31, 1996, 1997 and 1998 was approximately $250,000,
$1,004,000 and $1,638,000, respectively.
 
Cash Held in Escrow
 
     At December 31, 1998, the Company had $751,000 in cash in an escrow account
which was established as a result of the termination of a data center facilities
management agreement. The amount required to be held in escrow will be reduced
by $250,000 each year following the termination, provided there have been no
indemnification claims.
 
                                      F-17
<PAGE>   18
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
  Contractual Commitments
 
     In the normal course of its business, the Company enters into contracts
with customers. These contracts contain commitments including, but not limited
to, minimum standards and time frames against which the Company's performance is
measured. In the event the Company does not meet its contractual commitments
with its customers, the Company may incur penalties and/or certain customers may
have the right to terminate their contracts with the Company. The Company does
not believe that it will fail to meet its contractual commitments to an extent
that will result in a material adverse effect on its financial position or
results of operations.
 
9. STOCK OPTION PLANS
 
     The Company maintains certain stock option plans providing for the grant of
stock options to officers, directors and employees. The plans provide for
5,340,000 shares of the Company's common stock to be reserved for issuance under
the plans. All stock options granted under the plans have ten-year terms and
generally vest and become exercisable ratably over four years from the date of
grant. At December 31, 1998, there were 807,000 shares available for future
grants under the plans.
 
     In addition to stock options issued to officers, directors and employees,
the Company issued approximately 630,400 stock options in conjunction with the
SecureWare acquisition.
 
     Upon the acquisition of SBD, the Company granted 275,000 stock options to
the former SBD employees which are exercisable upon the achievement of certain
performance and software development goals. In the event that the performance
and software development goals are not achieved, the options will vest at the
end of a five year period.
 
     For stock options granted where the exercise price was less than the market
price of the stock on the date of grant, the per share weighted-average exercise
price was $7.15 and $1.04 and the per share weighted average grant date fair
value was $13.51 and $6.60 for stock options granted during 1996 and 1997,
respectively. For stock options granted where the exercise price equaled the
market price of the stock on the date of grant, the per share weighted-average
exercise price was $12.16, $6.55 and $8.42 and the per share weighted-average
grant date fair value was $12.28, $4.33 and $8.08 for stock options granted
during 1996, 1997 and 1998, respectively. The fair values were determined using
the Black Scholes option-pricing model with the following weighted-average
assumptions: expected dividend yield -0-%, risk-free interest rate of 6.5% in
1996 and 5.2% in 1997 and 1998, expected volatility of 70.4% in 1996, 79.2% in
1997 and 94.2% in 1998, and an expected life of 10 years.
 
     The Company applies APB Opinion No. 25 in accounting for its stock option
plans and, accordingly, compensation cost in the amount of approximately
$946,000, $656,000 and $1,992,000 (including approximately $448,000 included in
discontinued operations) has been recognized in 1996, 1997 and 1998,
respectively, relating to stock options granted with exercise prices less than
the market price. Had the Company determined compensation cost based on the fair
value at the grant date for its stock options under SFAS No. 123, the Company's
net loss would have been increased to the pro forma amounts indicated below:
 
<TABLE>
<CAPTION>
                                                                    1996       1997       1998
                                                                  --------   --------   --------
      <S>                                                         <C>        <C>        <C>
      Net loss:
        As reported.............................................  $(22,059)  $(27,991)  $(30,805)
        Pro forma...............................................   (22,366)   (29,749)   (33,118)
      Basic and diluted net loss per common share:
        As reported.............................................  $  (3.76)  $  (3.14)  $  (2.80)
        Pro forma...............................................     (3.81)     (3.33)     (3.01)
</TABLE>
 
                                      F-18
<PAGE>   19
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     A summary of the Company's stock options as of December 31, 1996, 1997 and
1998, and changes during the years ended on those dates is presented below:
 
<TABLE>
<CAPTION>
                                                     1996                 1997                 1998
                                              ------------------   ------------------   ------------------
                                                       WEIGHTED-            WEIGHTED-            WEIGHTED-
                                                        AVERAGE              AVERAGE              AVERAGE
                                              SHARES   EXERCISE    SHARES   EXERCISE    SHARES   EXERCISE
                                              (000)      PRICE     (000)      PRICE     (000)      PRICE
                                              ------   ---------   ------   ---------   ------   ---------
      <S>                                     <C>      <C>         <C>      <C>         <C>      <C>
      Outstanding at Beginning of Year......  2,690      $0.83     3,334     $ 3.59     3,877     $ 2.78
      Granted...............................    816      12.16     1,397       5.64     1,004       8.42
      Exercised.............................   (167)      1.21      (111)      1.27      (547)      2.17
      Forfeit/Canceled......................     (5)      1.25      (743)     12.26      (458)      4.27
                                              -----      -----     -----     ------     -----     ------
      Outstanding at End of Year............  3,334      $3.59     3,877     $ 2.78     3,876     $ 4.15
                                              -----      -----     -----     ------     -----     ------
      Exercisable at End of Year............    712      $0.86     1,444     $ 2.18     1,999     $ 2.46
                                              =====      =====     =====     ======     =====     ======
</TABLE>
 
     The following table summarizes information about stock options outstanding
at December 31, 1998:
 
<TABLE>
<CAPTION>
                                                       OPTIONS OUTSTANDING              OPTIONS EXERCISABLE
                                              -------------------------------------   -----------------------
                                                             WEIGHTED-
                                                              AVERAGE     WEIGHTED-                 WEIGHTED-
                                               NUMBER OF     REMAINING     AVERAGE      NUMBER       AVERAGE
                                              OUTSTANDING   CONTRACTUAL   EXERCISE     EXCISABLE    EXERCISE
             RANGE OF EXERCISE PRICE             (000)         LIFE         PRICE        (000)        PRICE
             -----------------------          -----------   -----------   ---------   -----------   ---------
      <S>                                     <C>           <C>           <C>         <C>           <C>
      $0.01-1.89............................     2,184          6.58       $ 0.81        1,565       $ 0.80
       4.46-6.67............................       463          8.39         5.95          158         5.83
       7.00-10.50...........................       860          7.12         8.20          186         8.49
       10.875-14.25.........................       327          9.09        11.62           90        12.91
       16.735-25.875........................        42          9.88        17.40           --           --
                                                 -----         -----       ------        -----       ------
      $0.01-25.875..........................     3,876          7.17       $ 4.15        1,999       $ 2.46
                                                 =====         =====       ======        =====       ======
</TABLE>
 
10. EMPLOYEE BENEFIT PLAN
 
     The Company provides a 401(k) Retirement Savings Plan (the "Plan") for
substantially all of its full-time employees. Each participant in the Plan may
elect to contribute from 1% to 15% of his or her annual compensation to the
Plan. The Company, at its discretion, may make matching contributions to the
Plan. The Company is currently matching up to 4% of the employees compensation
first to the Company's stock fund $1 for each dollar contributed by the employee
and second to the remaining investment funds $.25 for each dollar contributed by
the employee. The Company's contributions to the Plan charged to expense for
1996, 1997 and 1998 were $83,000, $171,000 and $286,000, respectively.
 
11. MAJOR CUSTOMERS AND INTERNATIONAL REVENUES
 
  Major Customers
 
     For the year ended December 31, 1996, three customers represented 16%, 16%,
and 13% of total revenues, respectively. For the year ended December 31, 1997,
two customers represented 18% and 10% of total revenues, respectively. For the
year ended December 31, 1998, two customers represented 39% and 12% of total
revenues, respectively.
 
  International Revenues
 
     Revenues from international customers represented 6% and 19% of total
revenues and are serviced primarily from the United States for the years ended
December 31, 1996 and 1997, respectively.
 
                                      F-19
<PAGE>   20
             SECURITY FIRST TECHNOLOGIES CORPORATION AND SUBSIDIARY
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
12. RELATED PARTY TRANSACTIONS
 
     The Company performed certain administrative and technical services for a
company known as Webtone amounting to approximately $80,000 in 1997 and $192,000
in 1998. The Company's former Chairman of the Board (who resigned in February
1999) who is also a principal shareholder owns Webtone. As of December 31, 1998
the Company had a receivable from Webtone related to these services of $173,000.
 
     During 1998, the Company paid a technology consulting company, called
McCall Consulting Group, approximately $1.1 million and as of December 31, 1998,
S1 has a payable to McCall Consulting Group of $282,000. The president of McCall
Consulting Group is a director of the Company.
 
13. SUBSEQUENT EVENTS
 
     On February 19, 1999, S1 entered into alliances with Hewlett-Packard and
Andersen Consulting. As part of the alliances, Hewlett-Packard has agreed to
make a $10.0 million equity investment and Andersen Consulting has agreed to
make a $4.0 million equity investment in common stock of the Company and has
received warrants to acquire 100,000 shares of the Company's common stock.
 
     On February 25, 1999, S1 entered into an agreement with Royal Bank of
Canada that includes an equity instrument that enables the holder to acquire up
to 615,000 shares of the Company's common stock.
 
                                    *  *  *
 
                                      F-20

<PAGE>   1
 
                                                                    EXHIBIT 13.2
 
                                  SCHEDULE II
                       VALUATION AND QUALIFYING ACCOUNTS
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                ADDITIONS
                                                         -----------------------
                                                                      CHARGED TO
                                            BALANCE AT   CHARGED TO     OTHER                   BALANCE AT
                                            BEGINNING    COSTS AND    ACCOUNTS-    DEDUCTIONS     END OF
               DESCRIPTION                  OF PERIOD     EXPENSES     DESCRIBE     DESCRIBE      PERIOD
- ----------------------------------------------------------------------------------------------------------
                                                                    (IN THOUSANDS)
<S>                                         <C>          <C>          <C>          <C>          <C>
Year ended December 31, 1996:
  Allowance for Doubtful Accounts.........    -$-          --           --           --           -$-
 
Year ended December 31, 1997:
  Allowance for Doubtful Accounts.........    -$-            257        --           --            $257
 
Year ended December 31, 1998:
  Allowance for Doubtful Accounts.........     $257          871                       713(1)      $415
</TABLE>
 
- ---------------
 
(1) Accounts deemed to be uncollectible and written off during the year.
<PAGE>   2
 
                          INDEPENDENT AUDITORS' REPORT
 
The Board of Directors
Security First Technologies Corporation:
 
     Under date of February 4, 1999, we reported on the consolidated balance
sheets of Security First Technologies Corporation and subsidiary as of December
31, 1997 and 1998, and the related consolidated statements of operations,
stockholders' equity and comprehensive income (loss), and cash flows for each of
the years in the three-year period ended December 31, 1998, which are included
in the December 31, 1998 annual report on Form 10-K. In connection with our
audits of the aforementioned consolidated financial statements, we also audited
the related financial statement schedule listed under Item 14(a) in the December
31, 1998 annual report on Form 10-K. This financial statement schedule is the
responsibility of the Company's management. Our responsibility is to express an
opinion on the financial statement schedule based on our audits.
 
     In our opinion, such financial statement schedule, when considered in
relation to the basic consolidated financial statements taken as a whole,
presents fairly, in all material respects, the information set forth therein.
 
                                                              KPMG LLP
 
Atlanta, Georgia
February 4, 1999

<PAGE>   1
 
                                                                      EXHIBIT 21
 
                                  SUBSIDIARIES
 
<TABLE>
<CAPTION>
                     NAME                       STATE OF INCORPORATION   NAMES UNDER WHICH IT DOES BUSINESS
                     ----                       ----------------------   ----------------------------------
<S>                                             <C>                      <C>
Security First Technologies, Inc.                      Kentucky                          S1
</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                          14,504
<SECURITIES>                                     3,936
<RECEIVABLES>                                   17,520
<ALLOWANCES>                                       415
<INVENTORY>                                          0
<CURRENT-ASSETS>                                37,270
<PP&E>                                          11,337
<DEPRECIATION>                                   5,982
<TOTAL-ASSETS>                                  48,293
<CURRENT-LIABILITIES>                           18,871
<BONDS>                                              0
                                0
                                     11,911
<COMMON>                                        87,056
<OTHER-SE>                                    (81,738)
<TOTAL-LIABILITY-AND-EQUITY>                    48,293
<SALES>                                              0
<TOTAL-REVENUES>                                24,180
<CGS>                                                0
<TOTAL-COSTS>                                   18,248
<OTHER-EXPENSES>                                35,073
<LOSS-PROVISION>                                   871
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                               (28,558)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (28,558)
<DISCONTINUED>                                 (2,247)
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (30,805)
<EPS-PRIMARY>                                   (2.80)
<EPS-DILUTED>                                   (2.80)
        

</TABLE>


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