SenoRx Reports Third Quarter 2007 Results

Continued Strong Growth in Revenue and Gross Margin


ALISO VIEJO, Calif., Nov. 13, 2007 (PRIME NEWSWIRE) -- SenoRx, Inc. (Nasdaq:SENO) today reported financial results for its third quarter ended September 30, 2007. Revenue for the quarter increased 44.9 percent to $8.9 million, compared with $6.1 million in the third quarter of 2006. Gross profit increased 88.0 percent to $5.4 million, or 60.1 percent of revenue, up from $2.8 million, or 46.3 percent of revenue, in the third quarter of 2006.

SenoRx reported an operating loss for the third quarter of $1.8 million, an improvement of 28.8 percent compared with $2.5 million in the same period last year. The operating loss for the quarter included additional administrative expenses of approximately $338,000 incurred during the period associated with being a public company and stock-based compensation expense of $655,000, compared with $289,000 in the third quarter of 2006.

Net loss for the third quarter of 2007 declined 37.2 percent to $1.7 million or 10 cents per share, compared with $2.7 million or $1.15 per share for the third quarter of 2006. Contributing to the reduction in net loss for the third quarter was a significant swing to net interest income from net interest expense resulting from the IPO proceeds.

"We are pleased to report another strong quarter for SenoRx. Revenues continued to grow strongly, led by a 44.9 percent increase in biopsy disposable revenues over the same period year ago. Also contributing to the revenue increase were new incremental commercial sales of our new Contura(tm) Multi-Lumen Balloon (MLB), as well as a significant increase in biopsy capital revenue for the third quarter," said Lloyd Malchow, SenoRx President and Chief Executive Officer. "We also continued to expand our gross margin, which showed significant improvement over the third quarter last year, and continued the positive sequential trend we have been achieving during 2007. Continued growth in the installed base of EnCor systems, favorable product sales mix, improved leverage of our manufacturing overhead across increased sales volume, and continued cost reduction as we transition certain component manufacturing to low-cost FDA-approved suppliers all contributed to the improvement in gross margin."

For the first nine months of 2007, SenoRx revenues increased 35.1 percent to $24.7 million, compared with $18.3 million for the same period in 2006. Gross profit grew 59.5 percent to $14.1 million from $8.9 million in the first nine months of last year. Net loss for the first nine months of 2007 decreased to $5.9 million compared with $11.5 million for the same period a year ago.

2007 Outlook

SenoRx is encouraged by the continued positive progress towards its financial performance objectives over the first nine months of 2007, and remains focused on executing its strategic plan. With the company's current product offering, including regulatory approval of the Contura MLB and most recently SenoSonix(tm), an integrated breast biopsy system with state-of-the-art ultrasound imaging, the company believes it is well positioned to become a leader in both the diagnostic and therapeutic breast care market. Based on the current outlook, SenoRx management has narrowed its guidance for full-year 2007 revenues to $34 to $35 million.

In addition, SenoRx has determined to use a portion of its IPO cash proceeds to retire the 2006 subordinated note prior to year end. The subordinated note bears an interest rate of 11.5 percent per annum and does not carry a prepayment penalty. Retirement of the subordinated note will result in an approximate use of cash in the amount of $10.4 million representing the principal balance and accrued unpaid interest. The company estimates the retirement of the subordinated note will result in a non-cash charge to non-operating expense of approximately $1.3 million in the fourth quarter of 2007, representing the unamortized debt issuance and debt discount costs which would have otherwise been charged to interest expense over the term of the subordinated note. The company intends to continue maintaining a credit facility on a going forward basis.

2008 Outlook

SenoRx management is currently conducting its annual strategic plan and expects to provide revenue guidance for 2008 by calendar year end 2007, following approval by management and the Board of Directors.

Conference Call

SenoRx will host a conference call at 2:00 p.m. Pacific Standard Time on Tuesday, November 13. The conference call can be accessed by calling (888)230-6285 or via the company's website www.senorx.com.

About SenoRx

SenoRx (Nasdaq:SENO), which completed its initial public offering of common stock in April 2007, develops, manufactures and sells minimally invasive medical devices used by breast care specialists for the diagnosis of breast cancer. SenoRx's field sales organization serves over 1,000 breast diagnostic and treatment centers in the United States and Canada. With 18 products that have already received FDA 510(k) clearance across the continuum of breast care, SenoRx is developing additional minimally invasive products for diagnosis and treatment of breast cancer. For more information, visit the company's website at www.senorx.com.

The SenoRx, Inc. logo is available at http://www.primenewswire.com/newsroom/prs/?pkgid=3605

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. Specifically, statements concerning SenoRx's financial guidance for fiscal year 2007 are forward-looking statements within the meaning of the Safe Harbor. Forward-looking statements are based on management's current, preliminary expectations and are subject to risks and uncertainties, which may cause SenoRx's actual results to differ materially from the statements contained herein. SenoRx's third quarter September 30, 2007 financial results, as discussed in this release, are preliminary and unaudited, and subject to adjustment. Further information on potential risk factors that could affect SenoRx's business and its financial results are detailed in its prospectus dated March 29, 2007 and its most recent quarterly report on Form 10-Q, in each case as filed with the Securities and Exchange Commission. Undue reliance should not be placed on forward-looking statements, especially guidance on future financial performance, which speaks only as of the date they are made. SenoRx undertakes no obligation to update publicly any forward-looking statements to reflect new information, events or circumstances after the date they were made, or to reflect the occurrence of unanticipated events.



                            SENORX, INC.
                      CONDENSED BALANCE SHEETS
                            (Unaudited)


                                          September 30,   December 31,
                                              2007           2006
                                          -------------  -------------
 ASSETS

 Current Assets:
  Cash and cash equivalents               $  29,136,338  $   7,412,986
  Short-term investments                     13,068,123             --
  Accounts receivable, net of allowance
   for doubtful accounts of $113,169 and
   $120,000, respectively                     5,338,554      4,241,307
  Inventory                                   5,920,860      4,988,695
  Prepaid expenses and deposits                 691,797        220,659
                                          -------------  -------------
    Total current assets                     54,155,672     16,863,647
 Property and equipment, net                  1,066,060      1,100,599
 Other assets, net of accumulated
  depreciation of $442,956, and $539,602,
  respectively                                  539,899      2,017,079
                                          -------------  -------------
 TOTAL                                    $  55,761,631  $  19,981,325
                                          =============  =============

 LIABILITIES AND STOCKHOLDERS' EQUITY
 (DEFICIT)

 Current Liabilities:
  Accounts payable                        $   1,622,402  $   4,122,477
  Accrued expenses, including accrued
   employee compensation of $786,914 and
   $507,829, respectively                     2,801,971      2,109,226
  Deferred revenue--current                      66,850         36,050
  Current portion of long-term debt           4,883,797      3,209,621
                                          -------------  -------------
    Total current liabilities                 9,375,020      9,477,374
 Long-term debt--less current portion         8,837,553     10,596,147
 Warrant liability                                   --      1,529,250
                                          -------------  -------------
    Total long-term liabilities               8,837,553     12,125,397
 Convertible promissory notes (at fair
  value)                                             --     11,960,000
 Commitments and contingencies (Note 12)
 Stockholders' Equity (Deficit):
  Series A convertible preferred stock --
   $1.00 par value; 3,000,000 shares
   authorized,issued and outstanding
   (2006) (aggregate liquidation value
   of $3,000,000)                                    --      3,000,000
  Series B convertible preferred stock --
   $2.50 par value; 3,532,040 shares
   authorized; 3,523,040 issued and
   outstanding (2006) (aggregate
   liquidation value of $8,807,600)                  --      8,807,600
  Series C convertible preferred stock --
   $1.96 par value; 19,500,000 shares
   authorized; 17,861,899 (2006) issued
   and outstanding (aggregate liquidation
   value of $35,009,323)                             --     35,009,323
  Common stock, $0.001 par value --
   100,000,000 shares authorized;
   17,107,635 (2007) and 2,371,002 (2006)
   issued and outstanding                        17,108          2,371
 Additional paid-in capital                 109,006,086      5,262,394
 Deferred compensation                           (2,662)      (126,658)
 Accumulated deficit                        (71,471,474)   (65,536,476)
                                          -------------  -------------
   Total stockholders' equity (deficit)      37,549,058    (13,581,446)
                                          -------------  -------------
 TOTAL                                    $  55,761,631  $  19,981,325



                            SENORX, INC.
                 CONDENSED STATEMENTS OF OPERATIONS
                            (Unaudited)


                       Three Months Ended         Nine Months Ended
                          September 30,             September 30,
                    -----------------------  -------------------------
                       2007         2006        2007            2006
                    ----------   ----------  -----------   -----------
 Net revenues       $8,906,086   $6,147,677  $24,727,447   $18,309,700
 Cost of goods sold  3,555,638    3,301,367   10,582,993     9,441,656
                    ----------   ----------  -----------   -----------
 Gross profit        5,350,448    2,846,310   14,144,454     8,868,044
 Operating expenses:
  Selling and
   marketing         4,354,056    3,588,887   13,085,547    10,688,447
  Research and
   development       1,580,130    1,423,762    4,694,999     3,866,133
  General and
   administrative    1,205,515      345,777    3,092,703     1,504,932
                    ----------   ----------  -----------   -----------
    Total operating
     expenses        7,139,701    5,358,426   20,873,249    16,059,512
                    ----------   ----------  -----------   -----------
 Loss from
  operations        (1,789,253)  (2,512,116)  (6,728,795)   (7,191,468)
 Interest expense      452,670      231,017    1,379,405       612,256
 Change in fair
  value of
  convertible
  promissory notes
  and warrant
  valuation                 --           --     (990,875)    3,820,000
 Interest Income      (551,288)     (55,262)  (1,182,327)     (115,970)
                    ----------   ----------  -----------   -----------
 Loss before
  provision for
  income taxes      (1,690,635)  (2,687,871)  (5,934,998)  (11,507,754)
 Provision for
  income taxes              --        3,000           --         8,000
                    ----------   ----------  -----------   -----------
 Net loss          $(1,690,635) $(2,690,871) $(5,934,998) $(11,515,754)
                    ==========   ==========  ===========   ===========
 Net loss per
  share - basic
  and diluted           $(0.10)      $(1.15)      $(0.50)       $(4.98)
                    ==========   ==========  ===========   ===========
 Weighted average
  shares
  outstanding -
  basic and
  diluted           17,076,002    2,331,054   11,973,240     2,313,663
                    ==========   ==========  ===========   ===========


                         REVENUE BY PRODUCT CLASS
                               (Unaudited)


                        Three Months Ended       Nine Months Ended
                           September 30,           September 30,
                      ----------------------  ------------------------
                         2007        2006        2007          2006
                      ----------  ----------  -----------   ----------
 Biopsy disposable
  products            $3,945,941  $2,723,793  $11,487,122   $7,667,470
 Biopsy capital
  equipment products   1,029,065     294,494    2,130,294    1,019,958
 Diagnostic adjunct
  products             3,744,039   3,129,390   10,897,893    9,622,272
 Therapeutic
  disposables            187,041          --      212,138           --
                      ----------  ----------  -----------   ----------
 Total                $8,906,086  $6,147,677  $24,727,447  $18,309,700
                      ==========  ==========  ===========   ==========


            

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