CORSAIR COMMUNICATIONS INC
10-Q, 1998-05-15
COMPUTER INTEGRATED SYSTEMS DESIGN
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                                                      24


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

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


                                    FORM 10-Q

(Mark One)
    [ X ]         QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE
                  SECURITIES EXCHANGE ACT OF 1934

   
                  For the quarterly period ended March 31, 1998.
    


    [   ]         TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE
                  SECURITIES EXCHANGE ACT OF 1934

                         Commission File Number: 0-22859


                          CORSAIR COMMUNICATIONS, INC.
             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                                      <C>     

               DELAWARE                                  77-0390406
     (State or other jurisdiction of                  (I.R.S. Employer
     incorporation or organization)                Identification Number)

   3408 Hillview Avenue Palo Alto, CA                      94304
(Address of principal executive offices)                 (Zip Code)
</TABLE>

      REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE IS (650) 842-3300


         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.

     (1) [ X ] Yes     [   ] No;                 (2) [   ] Yes     [ X ] No

   
         The number of shares of the Registrant's Common Stock outstanding as 
of April 30, 1998 was 13,733,073.
    


<PAGE>



                                   INDEX



                                                                       Page No.
Part I.  Financial Information

   
Item 1.  Condensed Financial Statements

         Condensed Balance Sheets as of March 31, 1998 
          and December 31, 1997..............................................3

         Condensed Statements of Operations for the three months
          ended March 31, 1998 and 1997 .....................................4

         Condensed Statements of Cash Flows for the three months
          ended March 31, 1998 and 1997 .....................................5

         Notes to Condensed Financial Statements ............................6
    

Item 2.  Management's Discussion and Analysis of Financial
           Condition and Results of Operations ..............................7

Part II. Other Information

Item 6.  Exhibits and Reports on Form 8-K ..................................20


Signatures .................................................................21




<PAGE>



PART I - FINANCIAL INFORMATION

   
Item 1. Condensed Financial Statements



                           CORSAIR COMUNICATIONS, INC.
                       Unaudited Condensed Balance Sheets
    
                                 (In thousands)

<TABLE>
<CAPTION>
   
                                                                                                   March 31,            December 31,
                                                                                                     1998                    1997
    
                                                                                                 -----------             ----------
<S>                                                                                              <C>                      <C>    
Assets
   
Cash and cash equivalents ..............................................................             $ 11,433              $ 15,426
Short-term investments .................................................................               49,121                43,734
Trade accounts receivable, net .........................................................                7,616                 3,836
Inventories, net .......................................................................                3,861                 3,618
Evaluation inventory ...................................................................                2,873                 4,590
Prepaids and other .....................................................................                1,281                   923
    
                                                                                                     --------              --------
   
   Total current assets ................................................................             $ 76,185              $ 72,127
Property and equipment, net ............................................................                3,820                 3,511
Other assets ...........................................................................                1,717                 2,039
    
                                                                                                     ========              ========
   
   Total assets ........................................................................             $ 81,722              $ 77,677
    
                                                                                                     ========              ========


Liabilities and Stockholders' Equity

   
Accounts payable .......................................................................             $    992              $    696
Accrued expenses .......................................................................                6,250                 5,790
Short-term obligations .................................................................                  440                   437
Deferred revenue .......................................................................               10,481                10,369
    
                                                                                                     --------              --------
   
   Total current liabilities ...........................................................               18,163                17,292
Long-term obligations ..................................................................                  328                   438
    
                                                                                                     --------              --------
   
   Total liabilities ...................................................................               18,491                17,730
    
                                                                                                     --------              --------
   
Common stock,$.001 par value; 20,000,000 shares authorized;
   13,714,475 and 13,635,440 shares issued and outstanding
   at March 31, 1998 and December 31, 1997, respectively ...............................                   14                    14
Note receivable from stockholder .......................................................                 (100)                 (136)
Additional paid-in capital .............................................................               89,382                89,005
Deferred compensation ..................................................................                 (533)                 (648)
Accumulated deficit ....................................................................              (25,532)              (28,288)
    
                                                                                                     --------              --------
   
    Total stockholders' equity .........................................................               63,231                59,947
    
                                                                                                     --------              --------
   
    Total liabilities and stockholders' equity .........................................             $ 81,722              $ 77,677
    
                                                                                                     ========              ========
</TABLE>




   
            See accompanying notes to Condensed Financial Statements
    


<PAGE>


   
                           CORSAIR COMUNICATIONS, INC.
                  Unaudited Condensed Statements of Operations
                        (In thousands, except share data)

<TABLE>
<CAPTION>

                                                                                                         Three Months Ended
                                                                                                              March 31,
    
                                                                                                    -------------------------------
   
                                                                                                       1998                1997
    
                                                                                                  ---------              ----------
<S>                                                                                               <C>                    <C>     

Revenues:
   
     System revenue ...............................................................                 $12,965                 $ 8,167

     Service revenue ..............................................................                   2,270                     929
    
                                                                                                    -------                 -------
   
         Total revenues ...........................................................                  15,235                   9,096
    

Cost of revenues:
   
     System revenue costs .........................................................                   6,038                   7,480
     Service revenue costs ........................................................                   1,188                     829
    
                                                                                                    -------                 -------
   
         Total cost of revenues ...................................................                   7,226                   8,309
    
                                                                                                    -------                 -------
   
Gross profit ......................................................................                   8,009                     787
    

Operating costs and expenses:
   
     Research and development .....................................................                   2,194                   1,382
     Sales and marketing ..........................................................                   2,363                   1,548
     General and administrative ...................................................                   1,293                     991
    
                                                                                                    -------                 -------

   
Total operating costs and expenses ................................................                   5,850                   3,921
    
                                                                                                    -------                 -------

   
     Operating income (loss) ......................................................                   2,159                  (3,134)
Interest income (expense), net ....................................................                     851                      (3)
    
                                                                                                    -------                 -------
   
        Income (loss) before income taxes .........................................                   3,010                  (3,137)
Income Taxes ......................................................................                     254                       3
    
                                                                                                    -------                 -------
   
Net income (loss) .................................................................                 $ 2,756                 $(3,140)

    
                                                                                                    =======                 =======

   
Basic net income (loss) per share data:
        Basic net income (loss) per share .........................................                 $  0.20                 $ (3.08)

    
                                                                                                    =======                 =======
   
        Shares used in per share calculation ......................................                  13,672                   1,019
    
                                                                                                    =======                 =======

   
Diluted net income (loss) per share data:
        Diluted income (loss) per share ...........................................                 $  0.19                 $ (3.08)

    
                                                                                                    =======                 =======
   
        Shares used in per share calculations .....................................                  14,354                   1,019
    

                                                                                                    =======                 =======
</TABLE>


   
            See accompanying notes to Condensed Financial Statements
    



<PAGE>


   
                          CORSAIR COMMUNICATIONS, INC.
                  Unaudited Condensed Statements of Cash Flows
    
                                 (In thousands)
<TABLE>
<CAPTION>
   
                                                                                                     Three Months Ended March 31,
    
                                                                                                   --------------------------------
                                                                                     
                                                                                                          1998               1997
                       
                                                                                                        ---------          --------
<S>                                                                                                     <C>                <C>     

   
Cash flows from operating activities:
     Net income (loss) .........................................................................         $  2,756          $ (3,140)
    


   
        Adjustments  to  reconcile  net loss to net cash  provided  by
        (used in)operating activities:
         Depreciation and amortization .........................................................              706               316
         Amortization of deferred compensation .................................................              115                85
         Loss on disposition of fixed assets ...................................................             --                 100
             Changes in operating assets and liabilities:
         Trade accounts receivable .............................................................           (3,780)           (4,341)
         Inventories ...........................................................................            1,474            (2,147)
         Prepaid expenses and other assets .....................................................             (380)             (512)
         Accounts payable and accrued expenses .................................................              756            (1,443)
         Deferred revenue ......................................................................              112             5,126

    

                                                                                                         --------          --------
   
              Net cash provided by (used in) operating activities ..............................            1,759            (5,956)
    
                                                                                                         --------          --------


Cash flows from investing activities:
   
     Purchase of short-term investments ........................................................           (8,967)           (6,474)
     Proceeds from sales and maturities of short-term investments ..............................            3,580             1,973
     Purchases of property and equipment .......................................................             (743)              (70)
    
                                                                                                         --------          --------
   
         Net cash used in investing activities .................................................           (6,130)           (4,571)
    
                                                                                                         --------          --------

Cash flows from financing activities:
   
     Proceeds from sale of preferred stock, net of costs .......................................             --               2,997
     Proceeds from stock options and purchase plans ............................................              377               296
     Payments on note payable ..................................................................             --                (330)
        Proceeds from note receivable from stockholder .........................................              108              --
     Principal payment on capital lease ........................................................             (107)              (75)
    
                                                                                                         --------          --------
   
         Net cash provided by financing activities .............................................              378             2,888
    
                                                                                                         --------          --------

   
     Net decrease in cash and cash equivalents .................................................           (3,993)           (7,639)
     Cash and cash equivalents, beginning of period ............................................           15,426            17,052
    
                                                                                                         ========          ========
   
     Cash and cash equivalents, end of period ..................................................         $(11,433)         $ (9,413)
    
                                                                                                         ========          ========

Supplemental disclosures of cash flow information: Cash paid during the period:
   
         Interest ..............................................................................         $     16          $    218
    
                                                                                                         ========          ========
   
         Income taxes ..........................................................................         $     13          $      3
    
                                                                                                         ========          ========

Non-cash financing and investing activities:
   
     Assets acquired through capital lease .....................................................         $   --            $    168
    
                                                                                                         ========          ========
   
     Deferred compensation relating to stock option grants .....................................         $   --            $  1,093
    
                                                                                                         ========          ========


</TABLE>


   
            See accompanying notes to Condensed Financial Statements
    


<PAGE>


   
                          CORSAIR COMMUNICATIONS, INC.
                    NOTES TO CONDENSED FINANCIAL INFORMATION
              (Information as of and for the three months 
                    ended March 31, 1998and 1997 is unaudited)
    

1.   Basis of Presentation

   
              The accompanying unaudited financial information has been prepared
     by Corsair  Communications,  Inc.  ("Corsair") in accordance with generally
     accepted  accounting   principles  for  interim  financial  statements  and
     pursuant to the rules of the  Securities  and Exchange  Commission for Form
     10-Q and article 10 of Regulation S-X. Accordingly, certain information and
     footnotes required by generally accepted accounting principles for complete
     financial  statements  have been  omitted.  It is the opinion of management
     that all adjustments considered necessary for a fair presentation have been
     included,  and that  all such  adjustments  are of a normal  and  recurring
     nature.  Operating  results for the periods  presented are not  necessarily
     indicative  of the  results  that may be expected  for any future  periods.
     These condensed financial statements should be read in conjunction with the
     audited financial statements as of December 31, 1996 and 1997, and for each
     of the years in the three-year  period ended  December 31, 1997,  including
     notes thereto,  incorporated  by reference into Corsair's  Annual Report on
     Form 10-K for the year ended December 31, 1997.
    

2.       Net Income (Loss) Per Share
   
              Basic net income (loss) per share is based on the weighted average
     number of shares of common stock outstanding during the period. Diluted net
     income (loss) per share is based on the weighted  average  number of shares
     of  common  stock  outstanding   during  the  period  and  dilutive  common
     equivalent shares from options and warrants  outstanding during the period.
     No common  equivalent shares are included for loss periods as they would be
     anti-dilutive.  Dilutive common  equivalent shares consist of stock options
     and stock warrants.

              The following  tables set forth the computations of shares and net
     income  (loss)  used in the  calculation  of basic and  diluted  net income
     (loss)  per share for the  quarters  ended  March  31,  1998,  and 1997 (in
     thousands, except per share data):
    

<TABLE>
<CAPTION>
    
                                            
                                                                                                     Three Months Ended March 31,
                                                                                  
                                                                                                  ---------------------------------
                                                                        
                                                                                                          1998               1997
    
                                                                                                      ----------         ----------
   
<S>                                                                                                   <C>                <C>     

       Basic net income (loss) per share data:
            Net income (loss) .............................................................           $     2,756           $(3,140)
    
                                                                                                      ===========           =======
   
       Actual weighted average common shares outstanding for the period ...................                13,672             1,019
    
                                                                                                      ===========           =======
   
       Basic net income (loss) per share ..................................................           $      0.20           $ (3.08)
    
                                                                                                      ===========           =======
</TABLE>

   
<TABLE>
<CAPTION>
                                                                                                    Three Months Ended March 31,
    
                                                                                                  ---------------------------------
   
                                                                                                           1998             1997
    
                                                                                                        ----------       ----------
<S>                                                                                                     <C>              <C>     

   
       Diluted net income (loss) per share data:
            Net income (loss) .................................................................           $ 2,756           $(3,140)
    
                                                                                                          =======           =======
   
       Actual weighted average common shares outstanding for the period .......................            13,672             1,019
       Weighted average number of common shares issuable upon exercise of
       dilutive options and warrants ..........................................................               682              --
    
                                                                                                          =======           =======
   
       Shares used in per share calculations ..................................................            14,354             1,019
    
                                                                                                          =======           =======
   
       Diluted net income (loss) per share ....................................................           $  0.19           $ (3.08)
    
                                                                                                          =======           =======
</TABLE>


<PAGE>


3.   Inventories

   
              Inventories  are  stated at the  lower of cost or  market and are
summarized as follows (in thousands):
    

<TABLE>
<CAPTION>
    

 
                                                                                                 March 31,             December 31,
                                                                                                   1998                    1997
    
                                                                                                 ----------              ----------
<S>                                                                            <C>                <C>     
   
       Raw materials .....................................................                       $2,007                       $1,479
       Work in progress ..................................................                          505                          189
       Finished goods ....................................................                        1,349                        1,950
    
                                                                                                 ======                       ======
   
                                                                                                 $3,861                       $3,618
    
                                                                                                 ======                       ======
</TABLE>

   
4.       Comprehensive Income
                  On January 1, 1998,  Corsair  adopted SFAS No. 130,  Reporting
     Comprehensive   Income,  which  establishes  standards  for  reporting  and
     disclosure of comprehensive income and its components (revenues,  expenses,
     gains and losses) in a full set of general-purpose financial statements. In
     Corsair's circumstances,  total comprehensive income (loss) for all periods
     presented herein would not have differed from reported net income (loss).

5.       Subsequent Event
               On April 2, 1998,  Corsair  announced that it had entered into an
     agreement to acquire Subscriber Computing, Inc. ("Subscriber"), a privately
     held  supplier  of  software  systems  to the  wireless  telecommunications
     industry,  through a merger (the  "Merger")  in which  Subscriber  would be
     merged into a  wholly-owned  subsidiary  of Corsair.  Corsair has agreed to
     issue to shareholders  of Subscriber  shares of Corsair common stock valued
     at approximately $70 million and the combined entity will pay approximately
     $2.3 million for expenses incurred in connection with the acquisition.  The
     transaction  is expected to be accounted for as a pooling of interests upon
     Corsair's  expected  completion of the acquisition in the second quarter of
     1998, subject to shareholder approval.
    


<PAGE>


Item 2.  Management's Discussion and Analysis of Financial Condition and 
Results of Operations

   
         This  discussion may contain  forward-looking  statements  that involve
risks and uncertainties. Corsair's actual results may differ materially from the
results discussed in such forward-looking  statements.  Factors that might cause
such a difference include, but are not limited to, those discussed in "Risks and
Uncertainties"  below.  Corsair undertakes no obligation to release publicly the
results of any revisions to these  forward-looking  statements to reflect events
or circumstances arising after the date hereof.

The following should be read in conjunction with Corsair's  condensed  financial
statements and notes thereto.
    

Overview

   
         Corsair  was  incorporated  in  December  1994 in  connection  with the
purchase of certain in-process  research and development and certain assets from
a subsidiary of TRW Inc.  Corsair  further  developed this  technology  into the
PhonePrint  cloning fraud  prevention  system and first  recorded  revenues from
commercial  shipment  of this  system in June 1995.  From  inception,  Corsair's
operating activities have related primarily to the commercialization,  continued
development and enhancement of PhonePrint, the sale and marketing of PhonePrint,
and the  development  of potential  new  products.  In 1995,  Corsair  generated
revenues of $7.6 million  based upon sales of PhonePrint  to two  customers.  In
1996, Corsair generated revenues of $19.6 million based upon sales of PhonePrint
to nine customers.  In 1997,  Corsair generated  revenues of $47.8 million based
upon sales of PhonePrint to twenty-three customers.

         To  date,  all  of  Corsair's   revenues  have  been   attributable  to
PhonePrint,  and Corsair  anticipates  that the sale and license of the hardware
and software that constitute PhonePrint and the sale of associated services will
continue to account for substantially all of Corsair's revenues at least through
the end of 1998. As a result,  Corsair's future operating results will depend on
the demand for and market acceptance of PhonePrint. A relatively small number of
analog network  carriers  constitute the potential  customers for PhonePrint.  A
large  majority  of the analog  carriers  in the largest  U.S.  markets  have to
varying  degrees  already  implemented  cloning  fraud  solutions,  and  Corsair
anticipates that the demand for cloning fraud solutions in the U.S. has begun to
decline and will  continue to decline in the future.  If not offset by growth in
international  markets, this trend could also occur in international markets. To
date,  Corsair  has  conducted a limited  number of  deployments  of  PhonePrint
systems  internationally.  In an effort to offset what  Corsair  expects will be
declining  demand in the U.S. for cloning fraud  solutions,  Corsair  intends to
devote  significant  marketing  and sales efforts over the next several years to
increase  its sales of  PhonePrint  to  international  customers  and intends to
pursue  acquisitions  of  business,  products or  technologies  that  complement
Corsair's business.

         There are two components of revenues attributable to PhonePrint: system
revenue and service  revenue.  System  revenue is  comprised of both the sale of
hardware  and  the  licensing  of  software.  Revenue  from  hardware  sales  is
recognized  upon shipment,  unless a sales agreement  contemplates  that Corsair
provide testing,  integration or implementation services, in which case hardware
revenue is  recognized  upon  commissioning  and  acceptance of the product (the
activation  of  the  cell  site  equipment  following  testing  integration  and
implementation).  Software  license revenue is recognized over the period of the
software  license term.  Service revenue is primarily  derived from  maintenance
contracts  and  subscriptions  to  the  PhonePrint  Roaming  Network,  which  is
recognized monthly over the term of the contract.  Service revenue also includes
revenue resulting from time and material billing, training courses,  consulting,
operations  support,  and  the  provision  of  spare  parts,  each of  which  is
recognized in the month the service is provided to the customer.

         Cost of system  revenue  consists of the cost of hardware and software,
as well as license  and  royalty  fees.  Cost of  hardware  revenue  consists of
manufacturing  overhead for  Corsair's  test and assembly  operation,  materials
purchased from Corsair's  subcontractors  and vendors,  hardware  purchased from
third party vendors,  depreciation of rental units, and shipping costs.  Cost of
software  license revenue  primarily  includes fees paid to third party software
vendors,  as well as costs associated with the installation and configuration of
the  software.  Cost of service  revenue  consists  primarily  of  expenses  for
personnel engaged in network support, customer support,  installation,  training
and  consulting  as  well  as  communications   charges  and  network  equipment
depreciation.
<PAGE>

         Corsair's  gross  margin has varied  significantly  in the past and may
vary significantly in the future,  depending on the mix of services and systems.
Corsair's  software  licenses  have a higher  gross  margin than its service and
hardware revenue. In addition, the hardware gross margin varies from customer to
customer  depending on the contract and from model to model  depending  upon the
customer's cell site and switch  configuration.  Therefore,  Corsair's operating
results will be affected by the mix of hardware units,  software  licenses,  and
service fees recognized during the period.

         Corsair sells PhonePrint  primarily through its direct sales force, but
has also entered into  distribution  agreements  with Motorola,  Inc.,  Ericsson
Radio Systems A.B., and Aurora  Wireless  Technologies,  Ltd. and seeks to enter
into additional distribution  agreements for international markets.  Corsair has
entered  into sales  referral  agreements  with Lucent  Technologies,  Inc.  and
Sumitomo  Corp. of America.  Corsair's  gross margin will also vary depending on
the mix of direct  sales  and  sales  through  distribution  channels  and sales
referral arrangements.

         Corsair   continues  to  make  efforts  to  achieve   profitability  by
increasing  sales volume,  decreasing  costs of goods sold, and through  certain
other measures.  While Corsair has certain  programs in place intended to reduce
the costs of certain components of the PhonePrint  system,  Corsair expects that
its operating expenses will continue to increase in the foreseeable future. As a
result,  there  can be no  assurance  that  Corsair  will  maintain  or  achieve
sustained profitability.

Results of Operations-Three Months Ended March 31, 1998

         Revenues.  For the three months ended March 31,  1998,  total  revenues
were $15.2 million,  compared with $9.1 million for the comparable  1997 period.
This  increase  resulted  primarily  from an  increase  in sales  of  PhonePrint
systems.  System  revenue was $13.0 million for the three months ended March 31,
1998, compared with $8.2 million for the comparable 1997 period. Service revenue
was $2.3  million for the three  months  ended  March 31,  1998,  compared  with
$929,000 for the  comparable  1997 period.  The increase in service  revenue was
attributable  to growth in the  installed  base of  PhonePrint  units covered by
service contracts and additional  revenue  attributable to Corsair's  PhonePrint
Roaming Network service.

         Gross  Profit.  Gross  profit  increased  to $8.0  million in the three
months  ended March 31, 1998 from a gross  profit of $787,000 in the  comparable
1997 period.  The increase in gross profit was due  primarily to system  revenue
which  contributed $6.9 million in gross profit for the three months ended March
31, 1998 as compared to gross profit of $687,000 in the comparable  1997 period.
Service  revenue gross profit for the three months ended March 31, 1998 improved
to $1.1 million as compared to a gross profit of $100,000 in the comparable 1997
period.  In the three months ended March 31, 1998 , total gross margin was 52.6%
consisting of 53.4% system gross margin and 47.7% service gross margin.

         Research and Development.  Research and development  expenses were $2.2
million, or 14.4% of total revenues,  for the three months ended March 31, 1998,
compared  with $1.4 million for the  comparable  1997 period.  This  increase in
expenditures was due primarily to the hiring of additional engineering personnel
related to the continued  development of PhonePrint and development  work on new
products.

         Sales and Marketing. Sales and marketing expenses were $2.4 million, or
15.5% of total revenues,  during the three months ended March 31, 1998, compared
with $1.5  million for the  comparable  1997  period.  The  increase in expenses
resulted from the hiring of additional sales and marketing  personnel to support
the  increased  sales of  PhonePrint  and to  support  the  increase  in service
revenue.  Corsair  expects  its sales and  marketing  expenses  to  increase  in
absolute dollars in the foreseeable  future as it expands the scope of its sales
and marketing efforts.

         General  and  Administrative.   General  and  administrative   expenses
increased to $1.3 million or 8.5% of total  revenues,  in the three months ended
March 31, 1998,  compared with  $991,000 for the  comparable  1997 period.  This
increase in expenditures was due primarily to higher personnel  expenses related
to increased staffing.
<PAGE>

         Interest Income (Expense), Net. Net interest income was $851,000 in the
three months ended March 31, 1998 as compared to net interest  expense of $3,000
in the  comparable  1997  period.  Net interest  income and expense  consists of
interest income from Corsair's cash and short-term investments,  net of interest
expense on Corsair's equipment loans, equipment lease lines and other loans. The
increase in net interest income was a result of larger average cash  investments
attributable to the proceeds  received from Corsair's initial public offering of
Common Stock completed in July 1997.


         Income  Taxes.  The income tax expense in the three  months ended March
31, 1998  represents a provision of 8% of the income before income taxes,  while
the comparable period in 1997 represents minimum state tax liabilities.
    


Liquidity and Capital Resources

   
         Corsair has funded its operations  from inception  primarily  through a
series of Preferred Stock private  placement,  debt  financings,  and an initial
public  offering.  From  its  incorporation  through  March  31,  1998,  Corsair
completed four Preferred Stock  financings  providing  aggregate net proceeds of
approximately $47.9 million, and debt financings provided aggregate net proceeds
of  approximately  $5.9  million.  In July 1997,  Corsair  completed its initial
public  offering  generating  $39.1 million of net proceeds.  At March 31, 1998,
Corsair  had  cash and cash  equivalents  of  approximately  $11.4  million  and
short-term investments of approximately $49.1 million.

         In June 1997, Corsair signed a loan and security agreement,  which made
available a $3.0 million  equipment term loan facility at prime plus 0.75% (9.5%
at March 31,  1998).  The loan  facility is  available  through July 1998 and is
secured by any underlying equipment purchased. As of March 31, 1998, Corsair did
not have any borrowings under the equipment term loan, and any future borrowings
will be repaid over three years.

         Corsair's operating  activities  generated cash of $1.8 million for the
three months ended March 31, 1998.  The  improvement in 1998 as compared to 1997
was  due   primarily  to  improved   operating   results  and  lower   inventory
requirements.

         Corsair's investing  activities used cash of $6.1 million for the three
months  ended March 31, 1998.  Net cash of $5.4 million was used for  purchasing
short-term  investments,  and cash of  $743,000  was used  for the  purchase  of
property and equipment, primarily computer hardware and software.

         Corsair's financing activities generated cash of $378,000 for the three
months  ended March 31, 1998.  In the three  months  ended March 31, 1998,  cash
provided by financing  activities  was primarily  from the purchase of Corsair's
stock by participants of the Employee Stock Purchase Plan.

         Management  has  initiated  an   enterprise-wide   program  to  prepare
Corsair's  computer systems and applications for the year 2000.  Corsair expects
to incur internal  staff costs as well as consulting and other expenses  related
to infrastructure and facilities  enhancements  necessary to prepare the systems
for the year 2000.  Corsair expects its year 2000 date conversion  project to be
completed on a timely basis. However, there can be no assurance that the systems
of other companies on which Corsair's systems rely also will be timely converted
or that any such failure to convert by another company would not have an adverse
effect on Corsair's  systems.  Testing and conversion of system  applications is
expected  to cost  approximately  $600,000  over the next  year.  A  significant
proportion of these costs are not likely to be incremental costs to Corsair, but
rather  will  represent  the  redeployment  of existing  information  technology
resources.  Accordingly,  Corsair  does not expect the  amounts  required  to be
expensed  over the next three years to have a material  effect on its  financial
position or results of operations.

         On  April  2,  1998,  Corsair  announced  that it had  entered  into an
agreement to acquire Subscriber Computing, Inc. ("Subscriber"), a privately held
supplier  of  software  systems  to the  wireless  telecommunications  industry,
through a merger  (the  "Merger")  in which  Subscriber  would be merged  into a
wholly-owned subsidiary of Corsair.  Corsair has agreed to issue to shareholders

<PAGE>

of Subscriber shares of Corsair common stock valued at approximately $70 million
and the  combined  entity  will pay  approximately  $2.3  million  for  expenses
incurred in connection with the  acquisition.  The transaction is expected to be
accounted for as a pooling of interests  upon Corsair's  expected  completion of
the acquisition in the second quarter of 1998, subject to shareholder  approval.
Upon completion of the Merger,  Subscriber would be a wholly-owned subsidiary of
Corsair, and the combination of Corsair and Subscriber that will exist following
the Merger is referred to herein as the "combined company."

         Corsair  believes  that existing  sources of liquidity  and  internally
generated  cash, if any, will be sufficient  to meet  Corsair's  projected  cash
needs  for at  least  the  next 12  months.  Corsair  intends  to  continue  its
significant  product development efforts in the future and expects to fund those
activities  out of working  capital.  There can be no assurance,  however,  that
Corsair  will not require  additional  financing  prior to such date to fund its
operations or possible acquisitions. In addition, Corsair may require additional
financing after such date to fund its operations. There can be no assurance that
any additional financing will be available to Corsair on acceptable terms, or at
all, if and when required by Corsair.
    


RISKS AND UNCERTAINTIES

   
         This  Quarterly  Report may contain  predictions,  estimates  and other
forward-looking statements that involve risks and uncertainties.  Such risks and
uncertainties  could cause actual results to differ  materially from the results
discussed  in the  forward-looking  statements.  Factors  that  could  cause  or
contribute to such  differences  include those discussed below, as well as those
discussed  elsewhere in this Quarterly Report.  Corsair undertakes no obligation
to  release  publicly  the  results  of any  revisions  to  the  forward-looking
statements to reflect events or circumstances arising after the date hereof.

         If  the  Merger  with  Subscriber  is  not  completed,  the  risks  and
uncertainties  relating to Subscriber set forth herein will not be applicable to
Corsair. See "No Assurance that the Merger will be Completed".

Risks Relating to the Merger

         No Assurance that Businesses Can Be Successfully Combined. The combined
company will be significantly more complex and diverse than either Subscriber or
Corsair  prior to the  combination.  Following  the Merger,  to achieve  optimal
synergies,  the  combined  company  will  need  to  successfully  integrate  and
streamline  overlapping  functions and control  expenditures  resulting from its
respective business operations located in Palo Alto and Irvine, California. Some
Subscriber  employees,  including officers of Subscriber,  will leave and others
may leave if they  find new  assignments  unattractive  or  unacceptable.  These
departures may create  operating  difficulties and could adversely affect morale
and  operations  at  Subscriber  for some period of time  following  the Merger.
Although  specific areas of reduction  have not been defined,  it is likely that
reductions  in force will occur in areas for which Corsair and  Subscriber  have
overlapping functions. In addition, the two companies have different systems and
procedures  in many areas  which  must be  reconciled.  The effort to  reconcile
systems  and  procedures  required  and the impact of success or failure  may be
material.  There can be no  assurance  that the process of  integrating  the two
companies can be effectively managed to achieve desired results. There can be no
assurance  that any of the  objectives  or  reasons  for the  Merger,  including
reducing  the combined  company's  dependence  on any one  product,  creating an
opportunity  to  cross-sell  products to Corsair's and  Subscriber's  respective
customer bases, enhancing distribution and marketing  relationships,  leveraging
customer  support   infrastructure  to  reduce  costs  and  improve  efficiency,
broadening  product  development   capabilities  or  achieving  other  financial
synergies, can be achieved.

         No  Assurance  that  the  Merger  will be  Completed.  There  can be no
assurance that the Company's  proposed  Merger with Subscriber will be completed
on the same terms as currently  contemplated by the Merger Agreement between the
parties,  or will be  completed at all. The Merger is subject to the approval of
each  of the  stockholders  of  Corsair  and  Subscriber,  and  there  can be no
assurance that the requisite stockholder approvals will be obtained. The failure
of Corsair to complete the Merger in a timely manner upon substantially the same
terms as set forth in the Merger Agreement,  including the failure of Corsair to
complete  the  Merger  as a result of the  inability  to  obtain  the  requisite
stockholder  approvals,  would  have a  material  adverse  effect  on  Corsair's
business, operations and financial condition.

<PAGE>


Risks Relating to the Combined Company

         Uncertainty Relating to the Number of Shares of Corsair Common Stock to
be Issued in the Merger.  Stockholders  should note that the aggregate number of
shares of Corsair  Common Stock that Corsair will issue in the Merger depends on
several factors that cannot be determined conclusively until the Effective Time,
including the average of the closing price per share of Corsair  Common Stock as
reported in the Wall Street  Journal for the ten (10)  consecutive  trading days
immediately preceding the closing date of the Merger.

         Corsair Limited Operating History and Lack of Sustained  Profitability.
Corsair was  incorporated  in  December  1994 and first  shipped its  PhonePrint
system in March 1995. Accordingly,  Corsair has only a limited operating history
upon  which  to  base an  evaluation  of its  business  and  prospects.  Despite
achieving  profitability in the latter half of fiscal 1997, Corsair has incurred
net losses since its incorporation  resulting in an accumulated deficit of $25.5
million as of March 31, 1998. There can be no assurance that Corsair's  existing
revenue levels can be sustained, and past and existing revenue levels should not
be considered indicative of future results or growth.  Moreover, there can be no
assurance  that  Corsair  will  sustain  profitability  on a quarterly or annual
basis.   Operating   results   for  future   periods  are  subject  to  numerous
uncertainties specified elsewhere herein. Corsair's prospects must be considered
in light of the risks encountered by companies with limited operating histories,
particularly  companies in new and rapidly  evolving markets such as the markets
in which Corsair now competes and may in the future  compete.  Corsair's  future
operating  results  will  depend  upon,  among  other  factors:  the  demand for
PhonePrint;  Corsair's ability to introduce  successful new products and product
enhancements,  including  products that are sold to both analog network carriers
and emerging  digital  network  carriers  such as PCS and  Enhanced  Specialized
Mobile Radio ("ESMR") carriers; the level of product and price competition;  the
ability  of  Corsair to expand its  international  sales;  Corsair's  success in
expanding  distribution  channels;  the  degree  to which  Corsair  successfully
integrates  Subscriber  and the time period  during  which  integration  efforts
occur;  Corsair's  success in attracting  and retaining  motivated and qualified
personnel;  and the ability of Corsair to avoid patent and intellectual property
litigation.  If Corsair is not successful in addressing  such risks,  as well as
the others set forth herein, the combined company's business,  operating results
and financial condition will be materially adversely affected.

         Dependence on PhonePrint;  Dependence on Analog Networks.  To date, all
of Corsair's revenues have primarily been attributable to PhonePrint,  Corsair's
cloning fraud prevention  system,  and Corsair  anticipates that PhonePrint will
continue to account for substantially all of Corsair's revenues at least through
the end of 1998. As a result,  Corsair's future operating results will depend on
the demand for and market acceptance of PhonePrint. A relatively small number of
analog network  carriers  constitute the potential  customers for PhonePrint.  A
large  majority  of the analog  carriers  in the largest  U.S.  markets  have to
varying degrees already implemented cloning fraud solutions, and there can be no
assurance that Corsair will be able to achieve  material  revenues from the sale
of PhonePrint to remaining  potential  customers in the U.S. Corsair anticipates
that the demand for cloning  fraud  solutions  in the U.S.  will  decline in the
future. If not offset by growth in international markets, this trend will have a
material adverse effect on Corsair's  business,  operating results and financial
condition.  Over time, this trend could also occur in international  markets. As
analog  network  carriers  adopt  cloning  fraud  solutions  for their  existing
networks, the future commercial success of PhonePrint will depend in part on the
further  expansion of analog networks by those  carriers.  If analog networks do
not continue to expand, expand slowly or expand in a manner that does not create
significant new demand for cloning fraud  solutions,  then the future demand for
PhonePrint  would be materially  adversely  affected.  There can be no assurance
that the international  market for cloning fraud solutions will grow as the U.S.
market declines as a result of U.S. analog network carriers  adopting  solutions
to their  cloning fraud  problems,  or that current or future levels of revenues
attributable to PhonePrint will be maintained or will not decline. Any reduction
in the  demand  for  PhonePrint  would  have a  material  adverse  effect on the
combined company's business, operating results and financial condition.

         All of  Corsair's  customers  to date have been  carriers  that operate
analog networks.  Wireless services operating in digital mode, including PCS and
ESMR in the U.S.  and Global  System for Mobile  Communications  ("GSM") in many
<PAGE>

foreign  countries  (including  many  European   countries),   use  or  may  use
authentication  processes that  automatically  establish the validity of a phone
each time it attempts to access the wireless telecommunications network. Corsair
is not aware of any  information  that  suggests  that cloners have been able to
break  the  authentication   encryption  technologies.   Unless  the  encryption
technologies  that form the  basis for  authentication  are  broken by  cloners,
Corsair does not believe that operators of digital  networks will purchase third
party radio frequency ("RF") fingerprinting  solutions for cloning fraud such as
PhonePrint.  In addition,  authentication processes for analog networks are also
currently available.  Corsair is also very dependent on the continued widespread
use of analog networks.  While there are currently over 40 million analog phones
in existence  in the U.S.,  industry  experts  project that the number of analog
phones will decline in the future.  Any  reduction  in demand by analog  network
carriers  for cloning  fraud  solutions  would,  or any  reduction in the use of
analog phones could,  have a material  adverse effect on the combined  company's
business, operating results and financial condition.

         Dependence  on Product  Introductions  and  Product  Enhancements.  The
combined  company's  future  success  depends  on the  timely  introduction  and
acceptance  of new  products,  new  versions  of existing  products  and product
enhancements.  However,  there can be no assurance  that any new  products,  new
versions  of existing  products or product  enhancements  the  combined  company
attempts  to  develop  will be  developed  successfully  or on  schedule,  or if
developed,  that they will achieve market acceptance.  In addition, there can be
no assurance  that Corsair will  successfully  execute its strategy of acquiring
additional businesses, products and technologies from third parties. In the case
of products that can locate wireless  phones,  the U.S.  Federal  Communications
Commission  ("FCC") has mandated  that wireless  telecommunications  carriers be
able to identify the location of emergency 911 callers by October 2001.  Corsair
has a significant  product  development  effort underway  addressing the need of
U.S. wireless  telecommunications carriers resulting from the FCC mandate. There
can be no  assurance  that the FCC mandate will not be abolished or altered in a
fashion that reduces or eliminates any potential demand for products  addressing
phone location.  There can be no assurance that any wireless  telecommunications
carriers will purchase any phone location  products before the effective date of
the FCC mandate,  October 2001. Furthermore,  Subscriber has significant product
development   efforts  underway  aimed  at  developing  next  versions  of  CRM,
FraudWatch Pro, PrePay and IMR. Any failure to introduce commercially successful
new products,  new versions of existing products or product  enhancements or any
significant  delay in the  introduction  of such new  products,  new versions of
existing products or product  enhancements  would have a material adverse effect
on the combined company's business, operating results and financial condition.

         The  process of  developing  new  products,  new  versions  of existing
products and product  enhancements  for use in the  wireless  telecommunications
industry  is  extremely  complex  and is  expected  to become  more  complex and
expensive in the future as new platforms and technologies emerge. In particular,
Corsair is aware of significant  technical  challenges with respect to the phone
location product it is currently attempting to develop. In the past, Corsair and
Subscriber  have  experienced  delays in the  introduction  of  certain  product
enhancements,  and there can be no assurance that new products,  new versions of
existing  products or product  enhancements will be introduced on schedule or at
all. Any new products, new versions of existing products or product enhancements
may  also  contain  defects  when  first  introduced  or when new  versions  are
released.  There can be no assurance that, despite testing,  defects will not be
found in new products, new versions of existing products or product enhancements
after  commencement  of commercial  shipments,  resulting in loss of or delay in
market  acceptance.  Any loss of or  delay in  market  acceptance  would  have a
material adverse effect on combined  company's  business,  operating results and
financial condition.

         Fluctuations  in  Quarterly  Financial  Results;  Lengthy  Sales Cycle.
Corsair  and  Subscriber  have  each  experienced  significant  fluctuations  in
revenues and operating  results from quarter to quarter due to a combination  of
factors and expect  significant  fluctuations  to  continue  in future  periods.
Factors that are likely to cause the combined  company's  revenues and operating
results to vary significantly from quarter to quarter include, among others: the
level and  timing of  revenues  associated  with  PhonePrint;  the timing of the
introduction or acceptance of new products and services and product enhancements
offered by the combined  company and its  competitors;  changes in  governmental
regulations  or mandates  affecting  the wireless  telecommunications  industry;
technological  changes  or  developments  in  the  wireless   telecommunications
industry;  the size, product mix and timing of significant orders; the timing of
system  revenue;  competition  and pricing in the markets in which the  combined
company competes; the degree to which Corsair successfully integrates Subscriber
and the time period during which  integration  efforts occur;  possible recalls;

<PAGE>

lengthy sales cycles;  production or quality problems; the timing of development
expenditures;  further expansion of sales and marketing  operations;  changes in
material costs;  disruptions in sources of supply;  capital spending; the timing
of payments by customers; and changes in general economic conditions.  These and
other factors  could cause the combined  company to recognize  relatively  large
amounts of revenue over a very short period of time, followed by a period during
which relatively  little revenue is recognized.  Because of the relatively fixed
nature  of  most  of the  combined  company's  costs,  including  personnel  and
facilities costs, any  unanticipated  shortfall in revenues in any quarter would
have a material adverse impact on the combined  company's  operating  results in
that quarter and would likely result in substantial adverse  fluctuations in the
price of Corsair's Common Stock. Accordingly,  Corsair expects that from time to
time its future  operating  results of the  combined  company  will be below the
expectations  of market  analysts  and  investors,  which  would  likely  have a
material  adverse  effect on the  prevailing  market price of the Corsair Common
Stock.

         A carrier's decision to deploy PhonePrint and other products offered by
the combined company typically  involves a significant  commitment of capital by
the carrier and approval by its senior management.  Consequently,  the timing of
purchases are subject to  uncertainties  and delays  frequently  associated with
significant  capital  expenditures,  and the  combined  company  is not  able to
accurately forecast future sales of PhonePrint or any of its other products.  In
addition,  purchases of PhonePrint and certain of the combined  company's  other
products involve testing, integration,  implementation and support requirements.
For these and other  reasons,  the sales cycle  associated  with the purchase of
PhonePrint and the combined company's other products typically ranges from three
to 18 months and is subject to a number of risks over which the combined company
has little  control,  including  the carrier's  budgetary  and capital  spending
constraints and internal  decision-making  processes.  In addition,  a carrier's
purchase  decision may be delayed as a result of  announcements  by the combined
company or competitors of new products or product  enhancements or by regulatory
developments.  Corsair  expects  that there will be a lengthy  sales  cycle with
respect to new  products,  if any,  that the  combined  company may offer in the
future.  Because of this lengthy sales cycle and the relatively  large size of a
typical order and because Corsair does not recognize revenue on PhonePrint sales
upon shipment if a sales agreement  contemplates  that Corsair provide  testing,
integration or implementation  services or contains other contractual acceptance
criteria,  if revenues  forecasted  from a specific  customer  for a  particular
quarter are not  realized in that  quarter,  the  combined  company's  operating
results for that quarter could be materially and adversely affected.

         Risks  Associated  with  International  Markets.  To date,  Corsair has
conducted a limited number of deployments of PhonePrint systems internationally.
In an effort to offset what Corsair expects will be declining demand in the U.S.
for cloning fraud solutions,  the combined company intends to devote significant
marketing and sales efforts over the next several years to increase its sales of
PhonePrint and sales of  Subscriber's  CRM,  FraudWatch  Pro,  PrePay and IMR to
international  customers.  This  expansion of sales efforts  outside of the U.S.
will  require  significant   management   attention  and  financial   resources.
Subscriber's  sales outside of the U.S.  accounted for a significant  portion of
its total revenues in 1996 and 1997,  and Corsair  expects that sales outside of
the U.S. will continue to account for a significant  portion of the revenues the
combined company derives from CRM,  FraudWatch Pro, PrePay and IMR. There can be
no  assurance  that  the  combined  company  will  be  successful  in  achieving
significant  sales of PhonePrint  and other products in  international  markets.
Corsair does not expect to sell  PhonePrint  in the many  international  markets
that rely  primarily  on digital  wireless  networks,  including  many  European
countries.  There may not be demand in  foreign  countries  with  respect to new
products,  if any, that the combined company may offer. For example,  Corsair is
currently  developing a product  addressing  the U.S. FCC mandate that  wireless
telecommunications  carriers be able to identify the  location of emergency  911
callers by October 2001.  Corsair is not aware of any  corresponding  regulatory
requirement in any foreign country.

         The  combined  company's  international  sales  may be  denominated  in
foreign or U.S. currencies.  Neither Corsair nor Subscriber currently engages in
foreign currency hedging  transactions.  As a result, a decrease in the value of
foreign  currencies  relative  to the U.S.  dollar  could  result in losses from
transactions  denominated  in foreign  currencies.  With respect to the combined
company's international sales that are U.S. dollar-denominated,  such a decrease
could make the combined  company's products less  price-competitive.  Additional
risks  inherent in the  combined  company's  international  business  activities
include  changes in regulatory  requirements,  the costs and risks of localizing
and  supporting  systems and  software in foreign  countries,  tariffs and other
trade  barriers,  political and economic  instability,  reduced  protection  for
intellectual property rights in certain countries,  difficulties in staffing and
managing foreign operations, difficulties in managing distributors,  potentially

<PAGE>

adverse tax consequences,  foreign currency exchange fluctuations, the burden of
complying  with a wide  variety of complex  foreign  laws and  treaties  and the
possibility of difficulty in accounts  receivable  collections.  Product service
and support is generally more complicated and expensive with respect to products
sold in  international  markets.  The  combined  company  may need to adapt  its
products to conform to different  technical  standards that may exist in foreign
countries.  Future customer purchase agreements may be governed by foreign laws,
which may differ significantly from U.S. laws.  Therefore,  the combined company
may be limited in its ability to enforce its rights under such agreements and to
collect damages, if awarded. There can be no assurance that any of these factors
will not have a material  adverse  effect on the  combined  company's  business,
operating results and financial condition.

         Potential  Acquisitions.  Corsair has in the past evaluated and expects
in the future to pursue  acquisitions  of businesses,  products or  technologies
that  complement  Corsair's  business.  Future  acquisitions  may  result in the
potentially  dilutive issuance of equity securities,  the use of cash resources,
the  incurrence of  additional  debt,  the write-off of in-process  research and
development or software  acquisition and development  costs and the amortization
of expenses related to goodwill and other intangible  assets, any of which could
have a material  adverse effect on the combined  company's  business,  operating
results and financial  condition.  Future  acquisitions  would involve  numerous
additional risks,  including difficulties in the assimilation of the operations,
services,  products and  personnel  of an acquired  business,  the  diversion of
management's  attention from other business concerns,  entering markets in which
the combined  company has little or no direct prior experience and the potential
loss of key  employees of an acquired  business.  In  addition,  there can be no
assurance  that the combined  company  would be  successful  in  completing  any
acquisition.  Neither  Corsair nor  Subscriber  currently  has any  agreement or
understanding with regard to any acquisition other than the Merger.

         Highly  Competitive  Industry.  The  market for  PhonePrint  is new and
intensely  and  increasingly  competitive.  Corsair  believes  that the  primary
competitive factors in the cloning fraud prevention market in which it currently
competes include product  effectiveness and quality,  price, service and support
capability and compatibility  with cloning fraud prevention  systems used by the
carrier in other geographic markets and by the carrier's roaming partners. There
has been a tendency for carriers that purchase cloning fraud prevention  systems
to purchase  products  from the company that supplies  cloning fraud  prevention
systems  to other  carriers  with  whom the  purchasing  carrier  has a  roaming
arrangement.  As a  result,  Corsair  expects  it  will  be  significantly  more
difficult to sell PhonePrint to a carrier if the carrier's  roaming partners use
cloning fraud prevention systems supplied by a competitor.  Furthermore,  once a
competitor  has made a sale of RF-based  cloning fraud  prevention  systems to a
carrier,  Corsair  expects  that it is  unlikely  that it  would be able to sell
PhonePrint  to that  carrier  in the  same  markets  in which  the  competitor's
products have been deployed.

         Corsair's  principal  competitor for RF-based  cloning fraud prevention
systems is Cellular Technical Services Company, Inc. ("CTS"). CTS has agreements
pursuant to which it has  installed or will install its RF-based  cloning  fraud
prevention  system in many major U.S.  markets.  PhonePrint also competes with a
number of alternative technologies, including profilers, personal identification
numbers and authentication.  Corsair is aware of numerous  companies,  including
GTE  Telecommunications   Services,  Inc.  ("GTE"),   Authentix  Network,  Inc.,
Lightbridge,  Inc. ("Lightbridge"),  Systems/Link Corporation  ("Systems/Link"),
International  Business Machines  Corporation  ("IBM"),  Digital Equipment Corp.
("DEC") and Hewlett-Packard  Corporation  ("Hewlett Packard") that currently are
or are  expected to offer  products in the cloning  fraud  prevention  area.  In
addition, carriers may themselves develop technologies that limit the demand for
PhonePrint.  There  can be no  assurance  that any  such  company  or any  other
competitor  will not  introduce a new  product at a lower price or with  greater
functionality than PhonePrint.  Furthermore,  the demand for PhonePrint would be
materially adversely affected if wireless  telecommunications carriers implement
authentication  technology  applicable  to analog  phones as their sole  cloning
fraud solution in major markets,  if U.S. wireless  telecommunications  carriers
adopt a uniform  digital  standard  that reduces the need for digital  phones to
operate in analog mode while  roaming,  or if analog phone makers change product
designs and/or improve  manufacturing  standards to a point where the difference
from phone to phone in the radiowave  form becomes so small that it is difficult
for  PhonePrint  to  identify  a  clone.  Any  currently  available  alternative
technology  or any new  technology  may render  Corsair's  products  obsolete or
significantly  reduce  the market  share  afforded  to  RF-based  cloning  fraud
prevention systems like PhonePrint.
<PAGE>

         The  market  for other  products  and  services  provided  to  wireless
telecommunications   carriers  is  highly   competitive  and  subject  to  rapid
technological change,  regulatory  developments and emerging industry standards.
In addition, many wireless  telecommunications  carriers and vendors of switches
and other telecommunications equipment may be capable of developing and offering
products and services  competitive with new products,  if any, that the combined
company  may  offer in the  future.  Trends in the  wireless  telecommunications
industry,   including   greater   consolidation   and   technological  or  other
developments  that  make  it  simpler  or  more   cost-effective   for  wireless
telecommunications  carriers to provide certain services themselves could affect
demand for new products, if any, offered by the combined company, and could make
it more difficult for the combined company to offer a cost-effective alternative
to a wireless telecommunications carrier's own capabilities. Corsair is aware of
a number of companies that have either  announced an intention to develop or are
capable of developing  products that would compete with the products Corsair and
Subscriber  are  developing,   and  Corsair  anticipates  the  entrance  of  new
competitors in the wireless  telecommunications  carrier service industry in the
future.  The combined  company's  ability to sell new  products,  if any, may be
hampered by  relationships  that  competitors  have with carriers based upon the
prior sale of other products to carriers.

         Corsair believes that the ability of the combined company to compete in
the  future  depends  in part on a number of  competitive  factors  outside  its
control,  including the ability to hire and retain employees, the development by
others of products and services that are competitive with the combined company's
products and services,  the price at which others offer comparable  products and
services and the extent of its  competitors'  responsiveness  to customer needs.
Many of the  combined  company's  competitors  and  potential  competitors  have
significantly  greater  financial,  marketing,  technical and other  competitive
resources  than the combined  company's.  As a result,  the  combined  company's
competitors  may be able to adapt more  quickly to new or emerging  technologies
and changes in customer  requirements or may be able to devote greater resources
to the promotion and sale of their products and services.  To remain competitive
in the market for  products  and  services  sold to wireless  telecommunications
carriers,  the  combined  company  will need to continue  to invest  substantial
resources in  engineering,  research and  development  and sales and  marketing.
There can be no assurance  that Corsair will have  sufficient  resources to make
such  investments  or that  the  combined  company  will  be  able  to make  the
technological advances necessary to remain competitive.  Accordingly,  there can
be no assurance that the combined  company will be able to compete  successfully
with respect to new products, if any, it offers in the future.

         Customer  Concentration.  To date,  a very  significant  portion of the
Corsair's  revenues in any particular  period has been attributable to a limited
number of customers,  comprised entirely of wireless telecommunications carriers
that operate analog networks.  BellSouth Cellular Corporation, GTE Wireless Inc.
("GTE Wireless"),  Southwestern  Bell Mobile Systems,  Inc. and Radiomovil DIPSA
S.A. de C.V. each accounted for greater than 10% of Corsair's  total revenues in
1997,  and  collectively  accounted for over 52% of Corsair's  total revenues in
1997.  For the same period in 1996,  AT&T Wireless  Services,  Comcast  Cellular
Communications,  Inc., Los Angeles Cellular  Telephone  Company and Southwestern
Bell Mobile  Systems,  Inc.,  each  accounted  for greater than 10% of Corsair's
total  revenues,  and  collectively  accounted  for over 70% of Corsair's  total
revenues in 1996.  Air Touch  Communications,  Inc. and AT&T Wireless  Services,
Inc.  accounted  for  virtually  all of  Corsair's  total  revenues  in 1995. A
relatively small number of analog network  carriers are potential  customers for
PhonePrint.  Corsair believes that the number of potential  customers for future
products, if any, will be relatively small. Any failure to capture a significant
share of those  customers  could have a  material  adverse  effect on  Corsair's
business,   operating  results  and  financial  condition.   Corsair  expects  a
relatively  small number of customers  will  continue to represent a significant
percentage of its total  revenues for each quarter for the  foreseeable  future,
although the companies that comprise the largest  customers in any given quarter
may change from quarter to quarter.  The terms of Corsair's  agreements with its
PhonePrint  customers  are  generally for periods of between two and five years.
Although these  agreements  typically  contain annual software  license fees and
various service and support fees,  there are no minimum  payment  obligations or
obligations  to make  future  purchases  of  hardware  or to license  additional
software. Therefore, there can be no assurance that any of the Corsair's current
customers will generate significant revenues in future periods.

         To  date,  a  significant  portion  of  Subscriber's   revenue  in  any
particular  period has been  attributable to a limited number of customers.  Two
customers  each  accounted for more than 10% of  Subscriber's  total revenues in
fiscal 1996 and 1997.  Subscriber  expects  that a  relatively  small  number of
customers  will  continue to  represent a  significant  percentage  of its total
revenues for each fiscal year for the foreseeable future, although the companies

<PAGE>

that  comprise  the largest  customers  in any given fiscal year are expected to
change from year to year and there can be no assurance that any of  Subscriber's
existing  customers will generate  significant  revenues in future periods.  The
concentration  of  customers  can cause  Subscriber's  revenues  and earnings to
fluctuate from quarter to quarter, based on such customers' requirements and the
timing of their respective orders. A loss of or significant decrease in business
from any of Subscriber's major customers would have a material adverse effect on
Subscriber's   business,   results  of  operations   and  financial   condition.
Additionally,  the  acquisition  by a third party of one of  Subscriber's  major
customers could result in the loss of that customer and have a material  adverse
effect on Subscriber's business, operating results and financial condition.

         Uncertainty Regarding Patents and Protection of Proprietary Technology;
Risks of Future  Litigation.  The combined  company  relies on a combination  of
patent,  trade  secret,  copyright and trademark  protection  and  nondisclosure
agreements to protect its proprietary  rights. As of March 31, 1998, Corsair had
two issued U.S.  patents,  seven pending U.S.  patent  applications;  one issued
foreign patent and thirteen pending foreign patent applications,  and Subscriber
had two issued U.S. patents. The combined company's success will depend in large
part on its ability to obtain patent  protection,  defend patents once obtained,
license  third party  proprietary  rights,  maintain  trade  secrets and operate
without infringing upon the patents and proprietary rights of others. The patent
positions of companies in the wireless telecommunications industry are generally
uncertain  and  involve  complex  legal and factual  questions.  There can be no
assurance that patents will issue from any patent applications owned or licensed
or that, if patents do issue, the claims allowed would be sufficiently  broad to
protect the applicable technology.  In addition,  there can be no assurance that
any issued  patents owned or licensed  will not be  challenged,  invalidated  or
circumvented,  or that the rights granted  thereunder  will provide  competitive
advantages.  Furthermore,  the laws of certain  countries  in which  Corsair and
Subscriber  sell  their   respective   products  do  not  protect  software  and
intellectual property rights to the same extent as do the laws of the U.S.

         Patents issued and patent  applications filed relating to products used
in the  wireless  telecommunications  industry  are numerous and there can be no
assurance  that current and potential  competitors  and other third parties have
not filed or in the future will not file  applications for, or have not received
or in the future  will not  receive,  patents or obtain  additional  proprietary
rights relating to products used or proposed to be used by the combined company.
Corsair  is  aware of  patents  granted  to third  parties  that  relate  to the
potential products currently being developed.  The combined company will need to
either  design those  potential  products in a manner that does not infringe the
third-party patents or obtain licenses from the third parties,  and there can be
no assurance  that the  combined  company will be able to do so. There can be no
assurance  that either  Corsair or  Subscriber is aware of all patents or patent
applications that may materially affect the combined  company's ability to make,
use or sell any  current  or  future  products.  U.S.  patent  applications  are
confidential  while pending in the U.S. Patent and Trademark Office,  and patent
applications  filed in foreign countries are often first published six months or
more after  filing.  There can also be no assurance  that third parties will not
assert  infringement  claims in the future or that any such  assertions will not
result in costly litigation or require Corsair or Subscriber to obtain a license
to intellectual property rights of such parties.  There can be no assurance that
any such  licenses  would  be  available  on  terms  acceptable  to  Corsair  or
Subscriber,  if at all.  Furthermore,  parties making such claims may be able to
obtain  injunctive or other equitable  relief that could  effectively  block the
combined  company's  ability  to  make,  use,  sell or  otherwise  practice  its
intellectual  property  (whether or not patented or described in pending  patent
applications),  or to further develop or commercialize  its products in the U.S.
and abroad and could result in the award of substantial damages.  Defense of any
lawsuit  or failure to obtain  any such  license  could have a material  adverse
effect on the  combined  company's  business,  operating  results  or  financial
condition.

         The combined company also relies on unpatented trade secrets to protect
its proprietary  technology,  and no assurance can be given that others will not
independently develop or otherwise acquire the same or substantially  equivalent
technologies  or  otherwise  gain access to the combined  company's  proprietary
technology  or  disclose  such  technology  or that  the  combined  company  can
ultimately  protect its rights to such  unpatented  proprietary  technology.  No
assurance  can be given that third parties will not obtain patent rights to such
unpatented  trade  secrets,   which  patent  rights  could  be  used  to  assert
infringement  claims against Corsair or Subscriber.  Corsair and Subscriber also
rely on  confidentiality  agreements with their respective  employees,  vendors,
consultants  and customers to protect  proprietary  technology.  There can be no
assurance  that these  agreements  will not be  breached,  that  there  would be

<PAGE>

adequate remedies for any breach or that trade secrets will not otherwise become
known to or be  independently  developed  by  competitors.  Failure to obtain or
maintain  patent  and trade  secret  protection,  for any  reason,  could have a
material adverse effect on the combined  company's  business,  operating results
and  financial  condition.  Moreover,  the laws of  certain  countries  in which
Corsair and Subscriber sell their  respective  products do not protect  software
and  intellectual  property rights to the same extent as do the laws of the U.S.
Unauthorized  copying or misuse of products could have a material adverse effect
on the combined company's business, operating results and financial condition.

         Dependence  on  Third-Party  Products  and  Services;  Sole or  Limited
Sources of Supply.  Corsair relies to a substantial extent on outside vendors to
manufacture many of the components and subassemblies used in PhonePrint, some of
which are  obtained  from a single  supplier  or a limited  group of  suppliers.
Corsair's reliance on outside vendors  generally,  and a sole or a limited group
of  suppliers  in  particular,  involves  several  risks,  including a potential
inability  to obtain an  adequate  supply of  required  components  and  reduced
control over quality, pricing and timing of delivery of components. In the past,
Corsair has experienced  delays in receiving  materials from vendors,  sometimes
resulting  in delays in the  assembly of products by Corsair.  Such  delays,  or
other  significant  vendor or supply  quality  issues,  may occur in the future,
which  could  result in a  material  adverse  effect on the  combined  company's
business,  operating results or financial condition.  The manufacture of certain
of these  components and  subassemblies  is  specialized  and requires long lead
times,  and there can be no assurance that delays or shortages caused by vendors
will not reoccur.  Any  inability to obtain  adequate  deliveries,  or any other
circumstance that would require Corsair to seek alternative sources of supply or
to manufacture such components  internally could delay the shipment of products,
increase cost of goods sold and have a material  adverse  effect on the combined
company's business, operating results and financial condition. In addition, from
time to time, Corsair must also rely upon third parties to develop and introduce
components and products to enable Corsair,  in turn, to develop new products and
product  enhancements  on a timely  and  cost-effective  basis.  There can be no
assurance  that  Corsair  will be able to obtain  access  in a timely  manner to
third-party  products and  development  services  necessary to enable Corsair to
develop and  introduce  new and  enhanced  products,  that  Corsair  will obtain
third-party products and development  services on commercially  reasonable terms
or that Corsair will be able to replace  third-party  products in the event such
products become  unavailable,  obsolete or incompatible  with future versions of
Corsair's products. The absence of, or any significant delay in, the replacement
of  third-party  products  could have a material  adverse effect on the combined
company's business, operating results and financial condition.

         Dependence  on  Personnel.  The  success  of the  combined  company  is
dependent,  in part,  on its  ability to attract  and  retain  highly  qualified
personnel.  Corsair's  future  business and  operating  results  depend upon the
continued  contributions of its senior  management and other employees,  many of
whom  would be  difficult  to replace  and  certain  of whom  perform  important
functions  beyond those  functions  suggested by their  respective job titles or
descriptions.  Competition  for such  personnel is intense and the  inability to
attract and retain  additional senior management and other employees or the loss
of one or more members of Corsair's senior management team or current employees,
particularly  to competitors,  could  materially  adversely  affect the combined
company's business,  operating results or financial  condition.  There can be no
assurance  that Corsair or Subscriber  will be successful in hiring or retaining
requisite  personnel.  None of Corsair's  employees has entered into  employment
agreements with Corsair, and Corsair does not have any key-person life insurance
covering the lives of any members of its senior management team.

         Management of Growth.  Corsair is at an early stage of development  and
Corsair and  Subscriber  have each  rapidly  and  significantly  expanded  their
operations. The number of Corsair employees has grown from 36 on January 1, 1995
to 158 on March 31, 1998,  while the number of employees of Subscriber  expanded
from 75 to 132 over the same period.  Such growth has placed, and, if sustained,
will continue to place, significant demands on management,  information systems,
operations  and  resources.  The strain  experienced to date has chiefly been in
hiring,  integrating and effectively  managing  sufficient  numbers of qualified
personnel  to support the  expansion  of the combined  company's  business.  The
combined  company's  ability to manage any future growth,  should it occur, will
continue  to depend  upon the  successful  expansion  of its  sales,  marketing,
research and development, customer support and administrative infrastructure and
the ongoing  implementation and improvement of a variety of internal  management
systems,  procedures  and controls.  There can be no assurance that the combined
company  will be able to  attract,  manage and retain  additional  personnel  to

<PAGE>

support any future growth, if any, or will not experience  significant  problems
with respect to any infrastructure  expansion or the attempted implementation of
systems,  procedures  and  controls.  Any  failure in one or more of these areas
could have a material adverse effect on the combined company's business, results
of operations and financial condition.

         Government  Regulation  and  Legal  Uncertainties.  While  most  of the
combined company's operations are not directly regulated, existing and potential
customers are subject to a variety of U.S. and foreign governmental regulations.
Such regulations may adversely affect the wireless telecommunications  industry,
limit the number of potential  customers for the combined  company's products or
impede the combined company's ability to offer competitive products and services
to the wireless telecommunications industry or otherwise have a material adverse
effect on the combined company's  business,  financial  condition and results of
operations.  Recently enacted legislation,  including the Telecommunications Act
of 1996,  deregulating the telecommunications  industry may cause changes in the
wireless telecommunications  industry, including the entrance of new competitors
and industry  consolidation,  which could in turn increase pricing  pressures on
the  combined  company,  decrease  demand for the combined  company's  products,
increase  the combined  company's  cost of doing  business or  otherwise  have a
material adverse effect on the combined  company's  business,  operating results
and financial  condition.  The  Telecommunications  Act of 1996 contains several
provisions  that  may bear  directly  on the  combined  company's  existing  and
potential  customers in the U.S.,  including  provisions  that require  wireless
carriers to  interconnect  with local  exchange  carriers  and  contribute  to a
universal service fund, that limit the ability of state and local governments to
discriminate  against or prohibit certain  wireless  services and that may allow
certain  companies  to bundle local and long  distance  services  with  wireless
offerings.  These  provisions  may cause an  increase  in the number of wireless
telecommunications carriers which could in turn increase the number of potential
customers of the combined  company.  This could require the combined  company to
expand its  marketing  efforts with no assurance  that revenues  would  increase
proportionately  or at all.  Alternatively,  these  provisions  could  encourage
industry  consolidation,  which would  reduce the combined  company's  potential
customer base.  Currently the FCC and state  authorities  are  implementing  the
provisions of the Telecommunications Act of 1996 and several of the decisions by
the FCC and state authorities are already being challenged in court.  Therefore,
Corsair  cannot at this time predict the extent to which the  Telecommunications
Act of 1996 will affect its current and potential customers or ultimately affect
the combined company's  business,  financial condition or results of operations.
If the recent  trend  toward  privatization  and  deregulation  of the  wireless
telecommunications  industry  outside  of the U.S.  were to  discontinue,  or if
currently  deregulated  international  markets were to  reinstate  comprehensive
government  regulation  of wireless  telecommunications  services,  the combined
company's   business,   operating  results  and  financial  condition  could  be
materially and adversely affected. In addition, the problem of cloning fraud has
received  heightened  attention  from Congress and the FCC,  which are exploring
legislative and regulatory initiatives that would impose stricter penalties for,
and increase  enforcement  against,  cloning  fraud.  Corsair cannot predict the
effect of such initiatives on the combined company's business, operating results
or financial condition, including demand for the combined company's products.

         Dependence  on  Growth of  Wireless  Telecommunications  Industry.  The
combined  company's  future  financial  performance  will  depend in part on the
number  of  carriers  seeking  third-party  solutions.   Although  the  wireless
telecommunications  industry has experienced significant growth in recent years,
there can be no assurance  that such growth will continue at similar  rates,  or
that, if the industry does grow,  there will be continued demand for the cloning
fraud  prevention  or  other  products.  Any  decline  in  demand  for  wireless
telecommunications  products  and  services  in  general  would  have a material
adverse  effect  on the  combined  company's  business,  operating  results  and
financial condition.

         Risk of System Failure. The continued,  uninterrupted  operation of the
PhonePrint  system  depends on protecting it from damage from fire,  earthquake,
power loss,  communications  failure,  unauthorized  entry or other events.  Any
damage to or failure of a component or combination  of components  that causes a
significant  reduction in the  performance  of a PhonePrint  system could have a
material adverse effect on Corsair's  business,  operating results and financial
condition.  Corsair  currently  does not have  liability  insurance  to  protect
against these risks and there can be no assurance  that such  insurance  will be
available to Corsair on commercially  reasonable  terms, or at all. In addition,
if any carrier using PhonePrint  encounters material performance  problems,  the
combined company's reputation and its business,  operating results and financial
condition could be materially adversely affected.
<PAGE>

         Year 2000 Compliance.  Corsair's and Subscriber's  products use and are
dependent upon certain  internally  developed and third party software programs.
Corsair  and  Subscriber  each have  initiated  a review and  assessment  of all
hardware and  software  used in their  respective  products to confirm that they
will  function  properly in the year 2000.  With  respect to software  developed
internally,  the results of that evaluation to date have revealed certain source
codes that are unable to  appropriately  interpret  the upcoming  calendar  year
2000,  and the parties are working  diligently to upgrade  programs to make them
capable of processing data incorporating year 2000 dates without material errors
or interruptions. With respect to third party software incorporated in products,
all vendors whose  software is  incorporated  in PhonePrint  have indicated that
their software is or will be year 2000 compliant. Evaluation of year 2000 issues
is  continuing,  and there  can be no  assurance  that  additional  issues,  not
presently  known by Corsair or  Subscriber,  will not be discovered  which could
present a material risk to the function of their respective  products and have a
material  adverse  effect  on the  Corsair's  business,  operating  results  and
financial condition.

         Dependence on Distributors.  PhonePrint is currently marketed primarily
through  Corsair's direct sales efforts.  Corsair has entered into  distribution
agreements  with respect to  PhonePrint  with  Motorola,  Inc.,  Ericsson  Radio
Systems AB ("Ericsson") and Aurora Wireless  Technologies,  Ltd.  ("Aurora") and
sales referral agreements with Lucent Technologies, Inc. ("Lucent") and Sumitomo
Corporation of America. Subscriber has entered into distribution agreements with
a  number  of  distributors,  including  Ericsson,  Daewoo  Information  Systems
Company,  Groupe  Bull-Integris  and Aurora and a sales referral  agreement with
Lucent. In addition,  Subscriber has relationships  with a number of third party
integrators and may rely on these integrators to a greater extent in the future.
Corsair and  Subscriber  each seek to pursue  distribution  agreements and other
forms of sales and  marketing  arrangements  with other  companies  and  Corsair
believes that the combined company's  dependence on distributors and these other
sales and marketing relationships will increase in the future, both with respect
to PhonePrint and to other products.  Generally,  there are no minimum  purchase
obligations  applicable to any existing distributor or other sales and marketing
partners  and  Corsair  does not  expect to have any  guarantees  of  continuing
orders.  There can be no assurance that any existing or future  distributors  or
other sales and marketing  partners will not become  competitors of the combined
company with respect to current  products or any future product.  Any failure by
the  combined  company's  existing  and future  distributors  or other sales and
marketing  partners  to  generate  significant  revenues  could  have a material
adverse  effect  on the  combined  company's  business,  operating  results  and
financial condition.

         Future  Capital  Requirements.  The combined  company's  future capital
requirements will depend upon many factors,  including the commercial success of
PhonePrint,  the timing and success of new product  introductions,  if any,  the
progress  of the  combined  company's  research  and  development  efforts,  the
combined  company's results of operations,  the status of competitive  products,
the degree to which  Corsair  successfully  integrates  Subscriber  and the time
period during which integration efforts occur, and the potential  acquisition of
businesses,  technologies  or  assets.  Corsair  believes  that  combination  of
existing  sources of liquidity and internally  generated cash will be sufficient
to meet the  combined  company's  projected  cash needs for at least the next 12
months. There can be no assurance,  however,  that the combined company will not
require  additional  financing  prior to such  date to fund its  operations.  In
addition,  the combined company may require additional financing after such date
to fund its operations.  There can be no assurance that any additional financing
will be available to the combined  company on acceptable  terms, or at all, when
required.  If additional funds are raised by issuing equity securities,  further
dilution to the existing  stockholders  will result.  If adequate  funds are not
available,  the  combined  company  may be  required  to  delay,  scale  back or
eliminate one or more of its  development  or  manufacturing  programs or obtain
funds  through  arrangements  with third  parties  that may require the combined
company  to  relinquish  rights to  certain  of its  technologies  or  potential
products  or  other  assets  that  the  combined  company  would  not  otherwise
relinquish.  Accordingly,  the inability to obtain such  financing  could have a
material adverse effect on the combined  company's  business,  operating results
and financial condition.

         Volatility of Stock Price.  The market price of Corsair's  Common Stock
is likely to be highly  volatile  and could be subject to wide  fluctuations  in
response  to  numerous  factors,   including,   but  not  limited  to,  revenues
attributable  to  PhonePrint,  new  products or new  contracts  by the  combined
company  or its  competitors,  actual or  anticipated  variations  in  operating
results,  the level of operating  expenses,  changes in  financial  estimates by

<PAGE>

securities   analysts,   potential   acquisitions,   regulatory   announcements,
developments  with  respect to patents or  proprietary  rights,  conditions  and
trends in the wireless telecommunications and other industries,  adoption of new
accounting standards affecting the industry and general market conditions.  As a
result,  Corsair expects that from time to time future operating results will be
below the expectations of market analysts and investors, which would likely have
a material  adverse effect on the prevailing  market price of the Corsair Common
Stock.  The  realization  of any of the  risks  described  in these  "Risks  and
Uncertainities"  could have a dramatic and adverse impact on the market price of
Corsair Common Stock.

         Further,  the stock  market has  experienced  extreme  price and volume
fluctuations  that  have  particularly  affected  the  market  prices  of equity
securities of many companies in the  telecommunications  industry and that often
have been  unrelated or  disproportionate  to the operating  performance of such
companies. These market fluctuations, as well as general economic, political and
market conditions such as recessions or international  currency fluctuations may
adversely  affect  the  market  price of  Corsair  Common  Stock.  In the  past,
following  periods  of  volatility  in the  market  price of the  securities  of
companies in the telecommunications industry, securities class action litigation
has  often  been  instituted  against  those  companies.   Such  litigation,  if
instituted against Corsair, could result in substantial costs and a diversion of
management  attention and resources,  which would have a material adverse effect
on the combined company.

         Antitakeover  Effects of Charter,  Bylaws and Delaware  Law.  Corsair's
Restated  Certificate  of  Incorporation  authorizes  the Corsair Board to issue
shares of  undesignated  Preferred  Stock without  stockholder  approval on such
terms as the Board may  determine.  The rights of the holders of Corsair  Common
Stock will be subject to, and may be  adversely  affected  by, the rights of the
holders of any such Preferred Stock that may be issued in the future.  Moreover,
the  issuance of such  Preferred  Stock may make it more  difficult  for a third
party to acquire, or may discourage a third party from acquiring,  a majority of
the voting stock of Corsair.  Corsair's  Restated  Bylaws provide that Corsair's
Board will be classified  into three classes of directors  beginning at the 1998
annual meeting of stockholders.  With a classified Board, one class of directors
is elected each year with each class serving a three-year  term. These and other
provisions of the Restated Certificate of Incorporation and the Restated Bylaws,
as well as certain provisions of Delaware law, could delay or impede the removal
of incumbent  directors and could make more difficult a merger,  tender offer or
proxy contest involving Corsair,  even if such events could be beneficial to the
interest of the stockholders. Such provisions could limit the price that certain
investors might be willing to pay in the future for Corsair Common Stock.

Risks Relating to Subscriber

         History  of Losses;  No  Assurance  of  Profitability.  Subscriber  has
incurred  net losses in each of its past  three  fiscal  years.  As of March 31,
1998,  Subscriber  had incurred  approximately  $19.9 million in cumulative  net
losses  since  inception,  only a  portion  of which  had  resulted  in any loss
carryforwards  for federal tax purposes due to Subscriber's  former status as an
"S corporation"  under the Internal Revenue Code of 1986, as amended.  There can
be no  assurance  that  Subscriber  will achieve or sustain  profitability  on a
quarterly  basis  or  annual  basis in the  future.  Enhanced  versions  of CRM,
FraudWatch Pro,  PrePay and IMR were introduced as recently as 1997.  Therefore,
Subscriber's  prospects must be considered in light of the risks  encountered by
developing  companies attempting to compete in new and rapidly evolving markets.
Subscriber's operating results will depend upon, among other factors, the demand
for  Subscriber's  products,  the level of product  and price  competition,  the
degree to which Corsair successfully  integrates  Subscriber and the time period
during  which  integration  efforts  occur.  Subscriber's  ability to manage its
direct and indirect distribution  channels, the ability of Subscriber to develop
and market new products,  new versions of existing products and product upgrades
and manage product transitions and implementations, the ability of Subscriber to
control  costs  and  avoid   complications  and  delays,  and  general  economic
conditions.  Many of these factors are beyond Subscriber's control. A failure to
successfully  address  these  risks  would  have a  material  adverse  effect on
Subscriber's  and  the  combined  company's  business,   operating  results  and
financial condition. Subscriber will be materially adversely affected.

         Competition.  The markets for  Subscriber's  products are intensely and
increasingly competitive,  subject to rapid change and significantly affected by
new product introductions and other market activities of industry  participants.
A large number of companies  currently  offer one or more  products that compete
directly  with those offered by  Subscriber.  For example,  Subscriber  competes
directly with In-Touch Management Systems,  Inc. in paging billing systems; with

<PAGE>

AG Communications Systems,  National Telemanagement  Corporation,  Systems/Link,
GTE,  Glenayre  Technologies,   Inc.,  Brite  Voice  Systems,  Inc.  and  Boston
Communications   Group,  Inc.  for  prepaid  billing;   with  GTE,  Lightbridge,
Systems/Link,  IBM, DEC and Hewlett-Packard in real time fraud profiler systems;
with Metapath Software Corp. and ACE*Comm Corporation for mediation systems; and
with Daleen Technologies, Inc., Keenan Systems Corporation, Sema Group Telecoms,
Inc.,  LHS  Group,  Inc.  and  AMDOCS,  Inc.  for its  suite  billing  products.
Subscriber also competes with companies offering a breadth of software knowledge
applicable to a variety of industries, including communications businesses. Such
companies include Andersen  Consulting and Electronic Data Systems  Corporation.
Several of these competitors have significantly  greater  financial,  technical,
marketing and other  resources,  significantly  greater name  recognition  and a
larger  installed base of customers than Subscriber.  As a result,  Subscriber's
competitors  may be able to adapt more  quickly to new or emerging  technologies
and  changes  in  subscriber  requirements  or may be  able  to  devote  greater
resources to the promotion and sale of their products and services.

         In addition,  many wireless  service  providers are  providing,  or can
provide,  products and services  developed  in-house that compete  directly with
those that Subscriber  offers.  If technological or other  developments  make it
simpler or more cost-effective for wireless service providers to provide certain
services  themselves,  such  development  could affect  demand for  Subscriber's
services  and  could  make  it  more   difficult  for   Subscriber  to  offer  a
cost-effective  alternative to a wireless service  provider's own  capabilities.
There can be no assurance that Subscriber  will be able to compete  successfully
with  its  existing  competitors  or  with  new  competitors.   An  increase  in
competition  through entry of new competitors or additional product offerings by
existing  competitors  could  result in price  reductions  or the loss of market
share by Subscriber  which would have a material  adverse effect on Subscriber's
and the combined company's business, operating results and financial condition.

         Contractual   Relationships   with  Customers.   Substantially  all  of
Subscriber's  revenues are derived from the sale of products and services  under
contracts with its customers.  Most of Subscriber's  existing  customers have no
obligation to purchase additional products or services.  Therefore, there can be
no  assurance  that any of  Subscriber's  existing  customers  will  continue to
purchase new systems,  systems  enhancements  and services in amounts similar to
previous  years.  The  failure of  existing  customers  to  purchase  additional
products and services from  Subscriber  could have a material  adverse effect on
Subscriber's  and  the  combined  company's  business,   operating  results  and
financial condition.

         Risk of Product  Defects.  Software  products  such as those offered by
Subscriber  frequently  contain  errors  or  failures,   especially  when  first
introduced or when new versions are released.  Subscriber  could, in the future,
lose revenues as a result of software errors or defects.  Subscriber's  products
are intended for use in sales  applications that may be critical to a customer's
business.  As a result,  Subscriber  expects that its  customers  and  potential
customers  have a greater  sensitivity  to product  defects  than the market for
software products generally.  There can be no assurance that, despite testing by
Subscriber and by current and potential  customers,  errors will not be found in
new products or releases after commencement of commercial  shipments,  resulting
in loss of  revenue  or delay in market  acceptance,  diversion  of  development
resources,  damage to Subscriber's  and the combined  company's  reputation,  or
increased service and warranty costs, any of which could have a material adverse
effect on Subscriber's and the combined  company's  business,  operating results
and financial condition.
    




<PAGE>


PART II - OTHER INFORMATION
    


Item 6 Exhibits and Reports on Form 8-K.
 

 



       a.   Exhibits
    

   
            27.1 * Financial Data Schedule

       b.   Reports on Form 8-K.  None

         *Incorporated by reference to the same numbered exhibit to the 
          Company's Registration Statement on Form S-4 (No. 333-51989) 
          filed on May 6, 1998.
    


<PAGE>




                                   SIGNATURES

Pursuant  to the  requirements  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.


                      Corsair Communications, Inc.


   
Date:  May 14, 1998   By: /s/ Martin J. Silver
                      ------------------------

    

                      Martin J. Silver
                      Chief Financial Officer and Secretary (Duly Authorized
                      Officer and Principal Financial and Accounting Officer)




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