CoSine Communications Announces Financial Results for the Quarter Ended December 31, 2006


SAN JOSE, Calif., March 23, 2007 (PRIME NEWSWIRE) -- CoSine Communications, Inc. (Pink Sheets:COSN) today announced revenues of $1,361,000 and a net income of $449,000 or $0.04 per share for the year ended December 31, 2006 as compared to revenues of $3,315,000 and net loss of $1,218,000 or $0.12 loss per share for the year ended December 31, 2005. Revenues for the quarter ended December 31, 2006 were $128,000 and net income was $595,000, or $0.06 per share, as compared to revenues of $934,000 and a net income of $325,000 or $0.03 per share for the three months ended December 31, 2005.

Net income for the quarter and year ended December 31, 2006 included a $640,000 gain on liquidation of foreign subsidiaries. The gain is due to the cumulative effect of gains and losses of converting foreign subsidiaries financial statements into United States dollars. This gain, which had been deferred prior to the year ended December 31, 2006, was recognized in 2006 with the liquidation of the subsidiaries.

CoSine's strategic plan is to redeploy its existing resources to identify and acquire new business operations. As a part of its strategic plan, CoSine completed the sale of its intellectual property and closed its customer service operations effective December 31, 2006.

About Cosine Communications

CoSine Communications was founded in 1998 as a global telecommunications equipment supplier to empower service providers to deliver a compelling portfolio of managed, network-based IP and broadband services to consumers and business customers. CoSine has ceased its customer service operations effective December 31, 2006. CoSine's strategic plan is to redeploy its existing resources to identify and acquire new business operations. CoSine's redeployment strategy will involve the acquisition of one or more operating businesses with existing or prospective taxable earnings. This strategy may allow CoSine to realize future cash flow benefits from its net operating loss carry-forwards ("NOLs"). As of this date, no candidates have been identified, and no assurance can be given that CoSine will find suitable candidates, and if it does, that it will be able to utilize its existing NOLs.

Safe Harbor Warning

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: This release contains forward-looking statements, which include, among others, statements concerning CoSine's expected financial performance, exploration of strategic alternatives, and business outlook, expected performance and developments. CoSine uses words such as "anticipate," "believe," "plan," "expect," "future," "intend" and similar expressions to identify forward-looking statements. These forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from those reflected in the forward-looking statements.

Factors that might cause such a difference include, but are not limited to, Cosine's ability to identify and effectuate desirable strategic acquisitions, the time and costs required to explore and investigate possible transactions and other corporate actions, management and board interest in and distraction due to exploring and investigating strategic alternatives, the reactions, either positive or negative, of investors, competitors, customers, employees and others to CoSine exploring and executing possible strategic acquisitions. A detailed discussion of these factors and other risks that affect CoSine's business is contained in its SEC filings, including its most recent reports on Form 10-K and Form 10-Q, particularly under the heading "Risk Factors." Readers are cautioned not to place undue reliance on these forward-looking statements, which reflect management's opinions only as of the date hereof. CoSine undertakes no obligation to revise or publicly release the results of any revision to these forward-looking statements.



                    CoSine Communications, Inc.                         
               CONSOLIDATED STATEMENT OF OPERATIONS                     
               (in thousands, except per share data)                    
                                                                      
                                                                      
                          Three months ended    Twelve months ended   
                                Dec 31,               Dec 31,         
                            2006       2005       2006       2005     
                          -------------------   -------------------   
                                                                      
 Revenue:                                                             
   Product                $     --   $     --   $     --   $    216   
   Service                     128        934      1,361      3,099   
                          --------   --------   --------   --------   
      Total revenue            128        934      1,361      3,315   
 Cost of revenue               194        504      1,663      2,049   
                          --------   --------   --------   --------   
                                                                      
 Gross profit (loss)           (66)       430       (302)     1,266   
                                                                      
 Operating expenses:                                                  
   Research and                                                       
    development                 --         --         --        103   
   Sales and marketing          --         --         --        105   
   General and                                                        
    administrative             410        402      1,316      3,227   
   Restructuring                                                      
    and impairment                                                    
    charges (credits)           --         --         --        (91)  
                          --------   --------   --------   --------   
 Total operating                                                      
  expenses                     410        402      1,316      3,344   
                          --------   --------   --------   --------   
                                                                      
 Income (Loss)                                                        
  from operations             (476)        28     (1,618)    (2,078)  
                                                                      
 Interest income and                                                  
  expense and other, net     1,019        162      2,015        632   
                          --------   --------   --------   --------   
                                                                      
 Income (Loss) before                                                 
  income tax benefit           543        190        397     (1,446)  
                                                                      
 Income tax benefit            (52)      (135)       (52)      (228)  
                          --------   --------   --------   --------   
                                                                      
 Net Income (Loss)        $    595   $    325   $    449   $ (1,218)  
                          --------   --------   --------   --------   
                                                                      
 Basic net income                                                     
  (loss) per share        $   0.06   $   0.03   $   0.04   $  (0.12)  
                                                                      
 Diluted net income                                                   
  (loss) per share        $   0.06   $   0.03   $   0.04   $  (0.12)  
                                                                      
 Shares used in                                                       
  computing basic net                                                 
  loss per share                                                      
       Basic                10,091     10,091     10,091     10,094   
       Diluted              10,096     10,091     10,096     10,094   
 
 

                 CoSine Communications, Inc.                         
            CONDENSED CONSOLIDATED BALANCE SHEETS                    
                      (in thousands) 
 
                                             December      December  
                                           31, 2006(a)    31, 2005(a)
                                            ---------     ---------  
                                                                     
 ASSETS                                                               
 Current assets:                                                     
   Cash and cash equivalents                $   5,207     $  12,417  
   Short-term investments                      17,650        10,749  
   Accounts receivable, trade                      55            96  
   Other receivables                               68           209  
   Prepaid expenses and other                                        
    current assets                                 56           119  
                                            ---------     ---------  
 Total current assets                          23,036        23,590  
 Long-term deposits                                --           250  
                                            ---------     ---------  
                                               23,036        23,840  
                                            ---------     ---------  
                                                                     
 LIABILITIES AND STOCKHOLDERS' EQUITY                                
 Current liabilities:                                                
   Accounts payable                         $     320     $     237  
   Other accrued liabilities                      239           874  
   Deferred revenue                                --           126  
                                            ---------     ---------  
 Total current liabilities                        559         1,237  
                                            ---------     ---------  
 Total liabilities                                559         1,237  
                                            ---------     ---------  
                                                                     
 Stockholders' equity:                                               
   Common stock                                     1             1  
   Additional paid-in capital                 538,987       538,947  
   Accumulated other                                                 
    comprehensive income                           17           632  
   Accumulated deficit                       (516,528)     (516,977) 
                                            ---------     ---------  
 Total stockholders' equity                    22,477        22,603  
                                            ---------     ---------  
                                               23,036        23,840  
                                            ---------     ---------
 
 (a) Amounts are derived from the December 31, 2006 and 2005 audited
   financial statements.                                            


            

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