PDF Solutions Reports Second Quarter 2007 Results

Record Quarterly Gain Share a Strong Contributor to Overall Revenue Growth


SAN JOSE, Calif., July 31, 2007 (PRIME NEWSWIRE) -- PDF Solutions, Inc. (Nasdaq:PDFS) the leading provider of process-design integration technologies to enhance IC manufacturability, today announced financial results for its second fiscal quarter ended June 30, 2007.

Revenue for the second fiscal quarter of 2007 totaled $23.7 million, an increase of 32%, compared with revenue of $18.0 million for the second fiscal quarter of 2006. Gain share revenue for the second fiscal quarter of 2007 totaled $5.9 million, compared to $5.7 million for the second fiscal quarter of 2006. On a GAAP basis, net loss for the second fiscal quarter of 2007 totaled approximately $701,000, or $0.02 per basic share, compared with a net loss of approximately $847,000, or $0.03 per basic share, for the second fiscal quarter of 2006.

In addition to using GAAP results in evaluating PDF Solutions' business, management also believes it is useful to measure results using a non-GAAP measure of net income, which excludes stock-based compensation expense, amortization of acquired intangible assets and their related income tax effects. Using this non-GAAP measure, net income for the second fiscal quarter of 2007 totaled approximately $5.0 million, or $0.17 per diluted share, compared with non-GAAP net income of approximately $3.6 million, or $0.13 per diluted share, for the second fiscal quarter of 2006.

As previously announced, PDF will discuss these results on a live conference call beginning at 3:00 p.m. Pacific Time/6:00 p.m. Eastern Time today. The call will be simultaneously web cast on PDF Solutions' website at http://ir.pdf.com/medialist.cfm. A replay of the web cast will be available at the same website address beginning approximately two hours after completion of the live call. Further, a copy of this press release, including the disclosure and reconciliation of certain non-GAAP financial measures to the comparable GAAP measure, which non-GAAP measures may be used periodically by PDF Solutions' management when discussing financial results with investors and analysts, will be available on PDF Solutions' website at http://www.pdf.com/news_archive.phtml following the date of this release.

Information Regarding Use of Non-GAAP Financial Measures

In addition to providing results that are determined in accordance with Generally Accepted Accounting Principles in the United States of America (GAAP), PDF Solutions also provides certain non-GAAP financial measures that exclude the effects of stock-based compensation expense, amortization of acquired intangible assets, and their related income tax effects. PDF Solutions' management believes that the presentation of these measures provides useful supplemental information to investors regarding PDF's operating results. These non-GAAP financial measures are used by management internally to measure the company's profitability and performance. PDF's management believes that excluding the effects of stock-based compensation expense, amortization of acquired intangible assets, and their related income tax effects, provides a useful supplemental measure of the company's ongoing operations in light of the fact that neither category of expense has a current effect on the future uses of cash nor do they have use with regards to the generation of current or future revenues. These non-GAAP results should not be considered an alternative to, or a substitute for, GAAP financial information, and may be different from similarly titled non-GAAP measures used by other companies. In particular, these non-GAAP financial measures are not a substitute for GAAP measures of income as a measure of performance, or to cash flows from operating, investing and financing activities as a measure of liquidity. Since management uses these non-GAAP financial measures internally to measure profitability and performance, PDF has included these non-GAAP measures to give investors an opportunity to see the company's financial results as viewed by management. A reconciliation of the non-GAAP financial measures to the comparable GAAP financial measure is provided at the end of the company's financial statements presented below.

About PDF Solutions

PDF Solutions, Inc. (Nasdaq:PDFS) is the leading provider of process-design integration technologies and services for manufacturing integrated circuits (ICs). PDF Solutions offers solutions that are designed to enable clients to lower costs, enhance time to market, and improve profitability by addressing design and manufacturing interactions from product design to initial process ramps to mature manufacturing operations. PDF Solutions' Characterization Vehicle(r) (CV(r)) test chips provide the core modeling capabilities, and are used by more leading manufacturers than any other test chips in the industry. PDF Solutions' industry leading yield management system software, dataPOWER(r), and fault detection and classification software, Maestria(r), enhance yield improvement and production control activities at leading fabs around the world. Headquartered in San Jose, Calif., PDF Solutions operates worldwide with additional offices in China, Europe, Japan and Korea. For the company's latest news and information, visit http://www.pdf.com/.

The PDF Solutions, Inc. logo is available at http://www.primenewswire.com/newsroom/prs/?pkgid=3199

Characterization Vehicle, CV, dataPOWER, Maestria, PDF Solutions, and the PDF Solutions logo are registered trademarks of PDF Solutions, Inc.



                          PDF SOLUTIONS, INC.
            CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED)
                            (In thousands)

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

 Current assets:
    Cash and cash equivalents                   $   35,652  $   36,451
    Short-term investments                          18,300      16,402
    Accounts receivable                             32,323      27,575
    Prepaid expenses and other current assets        2,936       2,796
    Deferred tax assets                              2,231       2,581
                                                ----------  ----------
      Total current assets                          91,442      85,805
 Property and equipment, net                         4,005       3,916
 Goodwill                                           63,386      60,034
 Intangible assets, net                             16,179      13,605
 Deferred tax assets                                 5,155       4,994
 Other assets                                          474         503
                                                ----------  ----------
        Total assets                            $  180,641  $  168,857
                                                ==========  ==========

                 LIABILITIES AND STOCKHOLDERS' EQUITY

 Current liabilities:
    Current portion of long-term debt           $      291  $      302
    Accounts payable                                 2,395       3,182
    Accrued compensation and related benefits        4,704       3,325
    Other accrued liabilities                        5,245       3,843
    Taxes payable                                    1,404       4,767
    Deferred revenue                                 5,237       3,705
    Billings in excess of recognized revenue           367          95
                                                ----------  ----------
      Total current liabilities                     19,643      19,219
 Long-term debt                                      1,130       1,198
 Long-term taxes payable                             5,145          --
 Other liabilities                                     127         221
                                                ----------  ----------
      Total liabilities                             26,045      20,638
                                                ----------  ----------
 Stockholders' equity:
    Common stock                                         4           4
    Additional paid-in-capital                     175,895     167,323
    Treasury stock at cost                          (5,549)     (5,549)
    Accumulated deficit                            (17,483)    (13,890)
    Accumulated other comprehensive income           1,729         331
                                                ----------  ----------
    Total stockholders' equity                     154,596     148,219
                                                ----------  ----------
    Total liabilities and stockholders' equity  $  180,641  $  168,857
                                                ==========  ==========






                          PDF SOLUTIONS, INC.
        CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
               (In thousands, except per share amounts)


                                Three Months Ended   Six Months Ended
                                ------------------  ------------------
                                June 30,  June 30,  June 30,  June 30,
                                  2007      2006      2007      2006
                                --------  --------  --------  --------
 Revenue:
   Design-to-silicon-yield
     solutions
       Integrated solutions     $ 16,032  $ 10,477  $ 29,796  $ 22,706
       Software licenses           1,776     1,794     5,261     4,406
   Gain share                      5,890     5,739    10,783    10,755
                                --------  --------  --------  --------
     Total revenue                23,698    18,010    45,840    37,867
                                --------  --------  --------  --------
 Cost of design-to-silicon-
   yield solutions:
   Direct costs of design-to
     -silicon-yield solutions
       Integrated solutions        7,082     6,645    14,790    13,074
       Software licenses              27        29        86        40
   Amortization of acquired
     core technology               1,610     1,266     3,185     2,532
                                --------  --------  --------  --------
     Total cost of design-to-
       silicon-yield solutions     8,719     7,940    18,061    15,646
                                --------  --------  --------  --------
       Gross margin               14,979    10,070    27,779    22,221
 Operating expenses:
   Research and development        8,797     6,871    17,167    13,127
   Selling, general and
     administrative                6,645     4,866    12,489     9,822
   Amortization of other
     acquired intangible assets    1,031       235     2,044       470
                                --------  --------  --------  --------
       Total operating expenses   16,473    11,972    31,700    23,419
                                --------  --------  --------  --------

 Loss from operations             (1,494)   (1,902)   (3,921)   (1,198)
 Interest and other income, net      529       811     1,025     1,446
                                --------  --------  --------  --------
 Income (loss) before taxes         (965)   (1,091)   (2,896)      248

 Tax provision (benefit)            (264)     (244)      160       827
                                --------  --------  --------  --------
 Net loss                       $   (701) $   (847) $ (3,056) $   (579)
                                ========  ========  ========  ========

 Net loss per share:
   Basic and diluted            $  (0.02) $  (0.03) $  (0.11) $  (0.02)
                                ========  ========  ========  ========

 Weighted average common shares:
   Basic and diluted              28,155    26,680    28,067    26,611
                                ========  ========  ========  ========


                        PDF SOLUTIONS, INC.
      IMPACT OF NON-GAAP ADJUSTMENTS ON REPORTED NET INCOME / 
                       (LOSS) (UNAUDITED)
             (In thousands, except per share amounts)


                  Three Months Ended             Three Months Ended
                     June 30, 2007                 June 30, 2006
              ---------------------------  ---------------------------
                As                           As
             reported Adjustment Non-GAAP reported Adjustment Non-GAAP
              -------  -------    -------  -------  -------    -------
 Revenue:
  Design-to-
   silicon-
   yield 
   solutions
   Integrated
    solutions $16,032  $    --    $16,032  $10,477  $    --    $10,477
   Software 
    licenses    1,776               1,776    1,794               1,794
 Gainshare      5,890               5,890    5,739               5,739
              -------  -------    -------  -------  -------    -------
  Total 
   revenue     23,698        0     23,698   18,010       --     18,010
              -------  -------    -------  -------  -------    -------
 Cost of 
  design-to-
  silicon-yield
  solutions:
  Direct costs 
   of design-to
   -silicon-
   yield 
   solutions
   Integrated
    solutions   7,082  $  (478)(a)  6,604    6,645  $  (455)(a)  6,190
   Software 
    licenses       27                  27       29                  29
  Amortization 
   of acquired 
   core
   technology   1,610   (1,610)(b)      0    1,266   (1,266)(b)      0
              -------  -------    -------  -------  -------    -------
  Total cost of
   design-to 
   silicon-
   yield 
   solutions    8,719   (2,088)     6,631    7,940   (1,721)     6,219
              -------  -------    -------  -------  -------    -------
  Gross 
   margin      14,979    2,088     17,067   10,070    1,721     11,791

 Operating 
  expenses:
  Research and
   development  8,797     (615)(a)  8,182    6,871     (568)(a)  6,303
  Selling, 
   general
   and 
   administra-
   tive         6,645     (852)(a)  5,793    4,866     (764)(a)  4,102
  Amortization 
   of other 
   acquired
   intangible 
   assets       1,031   (1,031)(b)      0      235     (235)(b)      0
              -------  -------    -------  -------  -------    -------
  Total 
   operating
   expenses    16,473   (2,498)    13,975   11,972   (1,567)    10,405
              -------  -------    -------  -------  -------    -------
 Income (loss) 
  from 
  operations   (1,494)   4,586      3,092   (1,902)   3,288      1,386
 Interest and 
  other income, 
  net             529                 529      811                811
              -------  -------    -------  -------  -------    -------
 Income (loss) 
  before taxes   (965)   4,586      3,621   (1,091)   3,288      2,197
 Tax benefit     (264)  (1,088)(c) (1,352)    (244)  (1,201)(c) (1,445)
              -------  -------    -------  -------  -------    -------
 Net income 
  (loss)      $  (701) $ 5,674    $ 4,973  $  (847) $ 4,489    $ 3,642
              =======  =======    =======  =======  =======    =======
 Net income 
  (loss) per 
  share - 
  diluted     $ (0.02) $  0.19    $  0.17  $ (0.03) $  0.16    $  0.13
              =======  =======    =======  =======  =======    =======
 Weighted 
  average
  common 
  shares -
  diluted      28,155   28,698(d)  28,698   26,680   27,866(d)  27,866
              =======  =======    =======  =======  =======    =======

 Notes:
 (a) The non-GAAP adjustments represent the reversal of stock-based 
     compensation.
 (b) The non-GAAP adjustments represent the reversal of amortization 
     of intangible assets.
 (c) The non-GAAP adjustments represent the tax benefit from the 
     reversal of stock-based compensation and amortization of 
     intangible assets.
 (d) The shares used in computing non-GAAP net income for the three 
     months ended June 30, 2007 and 2006 include the dilutive impact 
     of common stock options.


            

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