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Maxwell Technologies Reports 2nd Quarter Financial Results

Ultracapacitor Sales Up 50% From Q1; Big Telecom Win Driving Additional Growth in Q3

CONFERENCE CALL & WEBCAST AT 5 P.M. (EDT) TODAY, AUGUST 2, 2006 - DETAILS BELOW

SAN DIEGO, Aug. 2 -- Maxwell Technologies, Inc. today reported a net loss of $4.3 million, or $0.25 per share, on revenue of $12.8 million for its second quarter ended June 30, 2006, compared with a net loss of $1.7 million or $0.11 per share, on revenue of $11.0 million for the same period in 2005. The Q2 06 loss includes approximately $1.5 million, or $0.09 per share, related to ramping BOOSTCAP(R) ultracapacitor production to meet rapidly growing demand, and non-cash provisions totaling $693,000, or $0.04 per share, of compensation expense for stock options and restricted stock grants.

Dr. Richard Balanson, Maxwell's president and chief executive officer, attributed the ultracapacitor production impacts to Maxwell's ongoing transition from research and development to manufacturing scale-up. He noted that ultracapacitor revenue increased by 50 percent, quarter-to-quarter, from $2.8 million in Q1 to a highest-ever $4.2 million in Q2.

"Previously announced transportation and industrial applications generated increasing ultracapacitor sales in the second quarter, and high-volume deliveries for a new telecommunications power quality application should enable us to grow ultracapacitor revenue by at least another 30 percent in Q3," Balanson said. "This ultracapacitor ramp, along with continuing solid sales for our High Voltage and Microelectronics products, are combining to produce additional top line growth in Q3, despite the three-week summer shutdown of our Swiss operations."

  Additional significant second quarter developments included:

  *  Supply agreements with seven new ultracapacitor distributors,
     expanding the company's rapidly growing channel network;
  *  Introduction of the compact, lightweight BOOSTCAP C-Cell ultracapacitor
     for transportation and industrial applications;
  *  Introduction of Maxwell's "Quick-Turn" program, which offers shipment
     within 14 days from receipt of a customer purchase order for
     custom-configured multi-cell ultracapacitor modules;
  *  Further expansion of internal production capacity for Maxwell's
     proprietary ultracapacitor electrode material and BOOSTCAP products,
     and continuing progress toward moving large cell assembly to China;
  *  Yeong Long Technologies' introduction of several new ultracapacitor
     products based on Maxwell electrode, and
  *  Shanghai Urban Electric's prototype bus and truck drive train designs
     incorporating BOOSTCAP products.

"Global demand for ultracapacitor-based energy storage and power delivery solutions is accelerating, and we continue to move aggressively to exploit Maxwell's technology leadership to play an increasingly prominent role in creating what we believe will be a multi-billion-dollar industry in the coming decade," Balanson said. "Although commercial launch dates for ultracapacitor-based systems now in development with automakers and Tier 1 automotive suppliers are beyond our control, we expect news on some specific applications in the near future. In the meantime, it is clear that the heavy vehicle, electric rail, wind energy, telecommunications and other applications that are already in production, along with the new opportunities developing in Asia, are generating very significant market growth while we await the commercial roll-out of automotive applications."

Ultracapacitor production-related impacts pulled overall second quarter gross margin down to 18 percent, compared with 29 percent in Q1 06. Cash and investments in marketable securities totaled $26.9 million as of June 30, compared with $31.7 million as of March 31, primarily as a result of a $3.5 million quarter-to-quarter increase in inventories, reflecting higher ultracapacitor work in process (WIP) and purchases of microelectronic components for single board computers. The company will file its Quarterly Report on Form 10-Q with the SEC, including complete financial statements, by August 9.

Management will conduct a conference call and simultaneous webcast to discuss second quarter financial results and the outlook for the balance of 2006, and answer analysts' questions at 5 p.m. (EDT) today. The call may be accessed by dialing toll-free, (800) 540-0559 from the U.S. and Canada, or (785) 832-1523 for international callers. The webcast and subsequent replay may be accessed at the company's web site via the following link: http://www.maxwell.com/investors/presentations.html.

Maxwell is a leading developer and manufacturer of innovative, cost-effective energy storage and power delivery solutions. Our BOOSTCAP(R) ultracapacitor cells and multi-cell modules and POWERCACHE(R) backup power systems provide safe and reliable power solutions for applications in consumer and industrial electronics, transportation and telecommunications. Our CONDIS(R) high-voltage grading and coupling capacitors help to ensure the safety and reliability of electric utility infrastructure and other applications involving transport, distribution and measurement of high-voltage electrical energy. Our radiation-mitigated microelectronic products include power modules, memory modules and single board computers that incorporate powerful commercial silicon for superior performance and high reliability in aerospace applications. For more information, please visit our website: www.maxwell.com.

Forward Looking Statements - Statements in this news release that are "forward-looking statements" are based on current expectations and assumptions that are subject to risks and uncertainties. Actual results could differ materially because of factors such as:

  *  the company's history of losses and uncertainty about its ability to
     achieve or maintain profitability;
  *  development and acceptance of products based on new technologies;
  *  demand for original equipment manufacturers' products reaching
     anticipated levels;
  *  general economic conditions in the markets served by the company's
     products;
  *  cost-effective manufacturing and the success of out-sourced
     manufacturing;
  *  the impact of competitive products and pricing;
  *  risks and uncertainties involved in foreign operations, including the
     impact of currency fluctuations;
  *  product liability or warranty claims in excess of reserves.

For further information regarding risks and uncertainties associated with Maxwell's business, please refer to the "Management's Discussion and Analysis of Financial Condition and Results of Operations" and "Risk Factors" sections of our SEC filings, including, but not limited to, our annual report on Form 10-K and quarterly reports on Form 10-Q, copies of which may be obtained by contacting Maxwell's investor relations department at (858) 503-3434 or at our investor relations website: http://www.maxwell.com/company/investors/sec_filings.html. All information in this release is as of August 2, 2006. The company undertakes no duty to update any forward-looking statement to reflect actual results or changes in the company's expectations.

               MAXWELL TECHNOLOGIES, INC. AND SUBSIDIARIES
             CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                  (in thousands, except per share data)
                               (Unaudited)

                     Three Months Ended June 30,  Six Months Ended June 30,
                         2006         2005            2006        2005
  Revenues:
    Products           $12,148      $11,019         $24,119     $20,804
    License fees           615           --             615          --
      Total revenues    12,763       11,019          24,734      20,804
    Cost of sales       10,402        7,832          18,861      14,828
        Gross profit     2,361        3,187           5,873       5,976
  Operating expenses
   (income):
    Selling, general
     and administrative  3,912        3,235           8,175       6,526
    Research and
     development         2,384        1,759           4,590       3,509
    Amortization of
     other intangibles      19           19              38          38
    Gain on disposal
     of property and
     equipment(1)           --           --             (66)         --
      Total operating
       expenses          6,315        5,013          12,737      10,073
        Loss from
         operations     (3,954)      (1,826)         (6,864)     (4,097)
  Interest income
   (expense), net          (65)          48             (71)         87
  Amortization of debt
   discount and
   prepaid costs          (904)          --          (1,808)         --
  Gain (loss) on
   embedded derivatives
   and warrants            400           --          (3,100)         --
  Other (expense)
   income, net             (67)         135             (98)        308
  Loss from continuing
   operations before
   income taxes         (4,590)      (1,643)        (11,941)     (3,702)
  Income tax provision
   (benefit)               (11)          45             164         189
  Loss from continuing
   operations           (4,579)      (1,688)        (12,105)     (3,891)
  Discontinued
   operations:
    Income from
     discontinued
     operations,
     net of tax            258           15             333          52
      Net loss         $(4,321)     $(1,673)       $(11,772)    $(3,839)

  Net loss per
   common share
   - basic and diluted:
    Loss from
     continuing
     operations         $(0.27)      $(0.11)         $(0.72)     $(0.25)
    Income (loss) from
     discontinued
     operations,
     net of tax           0.02           --            0.02          --
      Net loss per
       common share     $(0.25)      $(0.11)         $(0.70)     $(0.25)

  Shares used in
   computing net loss
   per common share
   - basic and diluted  16,831       15,781          16,741      15,749

               MAXWELL TECHNOLOGIES, INC. AND SUBSIDIARIES
                  CONDENSED CONSOLIDATED BALANCE SHEETS
                  (in thousands, except per share data)
                               (Unaudited)

                                                   June 30,    December 31,
                                                     2006          2005
  ASSETS
  Current assets:
    Cash and cash equivalents                      $13,405        $25,760
    Investments in marketable securities             5,518            696
    Trade and other accounts receivable, net         9,447          6,915
    Inventories, net                                14,195          9,536
    Prepaid expenses and other current assets        1,539            841
      Total current assets                          44,104         43,748
  Property and equipment, net                       11,896         10,368
  Other intangible assets, net                       1,482          1,541
  Goodwill                                          19,420         18,549
  Prepaid pension asset                              5,326          4,930
  Restricted cash                                    8,000          8,000
  Other non-current assets                           1,288          1,328
                                                   $91,516        $88,464

  LIABILITIES AND STOCKHOLDERS' EQUITY
  Current liabilities:
    Accounts payable and accrued liabilities        $9,824         $6,870
    Accrued warranty                                 1,166            632
    Accrued employee compensation                    2,926          2,588
    Short-term borrowings and current portion of
     long-term debt                                  1,789          1,695
    Deferred tax liability - current portion           291            291
    Net liabilities of discontinued operations         106            527
      Total current liabilities                     16,102         12,603
  Deferred tax liability, long-term                  1,198          1,198
  Long-term debt, excluding current portion         25,434         22,212
  Stock warrants                                     3,900          2,600
  Commitments and contingencies
  Stockholders' equity:
    Common stock, $0.10 par value per share,
     40,000 shares authorized; 17,191 and
     16,600 shares issued and outstanding at
     June 30, 2006 and December 31, 2005,
     respectively                                    1,719          1,660
    Additional paid-in capital                     139,374        136,135
    Unearned compensation                               --         (2,438)
    Accumulated deficit                            (99,638)       (87,600)
    Accumulated other comprehensive income           3,427          2,094
      Total stockholders' equity                    44,882         49,851
                                                   $91,516        $88,464