THRUSTMASTER INC
S-1, 1997-11-14
COMPUTER PERIPHERAL EQUIPMENT, NEC
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<PAGE>
   AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER   , 1997
                                                      REGISTRATION NO. 333-
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                           --------------------------
 
                                    FORM S-1
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                           --------------------------
 
                               THRUSTMASTER, INC.
             (Exact name of Registrant as specified in its charter)
 
<TABLE>
<S>                              <C>                            <C>
            OREGON                           3670                  93-1040330
 (State or other jurisdiction    (Primary Standard Industrial   (I.R.S. Employer
              of                 Classification Code Number)     Identification
incorporation or organization)                                        No.)
</TABLE>
 
                       7175 N.W. EVERGREEN PARKWAY, #400
                          HILLSBORO, OREGON 97124-5839
                                 (503) 615-3200
         (Address, including zip code, and telephone number, including
            area code, of Registrant's principal executive offices)
 
                         STEPHEN A. AANDERUD, PRESIDENT
                       7175 N.W. EVERGREEN PARKWAY, #400
                          HILLSBORO, OREGON 97124-5839
                                 (503) 615-3200
 (Name, address, including zip code, and telephone number, including area code,
                             of agent for service)
 
                           --------------------------
 
                                   COPIES TO:
 
          PATRICK J. SIMPSON                    WILLIAM E. VAN VALKENBERG
          DAVID S. MATHESON                         BRADLEY B. FURBER
             Perkins Coie                    Van Valkenberg Furber Law Group
                                                         P.L.L.C.
  1211 S.W. Fifth Avenue, Suite 1500          1325 Fourth Avenue, Suite 1200
        Portland, Oregon 97204                Seattle, Washington 98101-2509
            (503) 727-2000                            (206) 464-0460
 
                           --------------------------
 
        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
  AS SOON AS PRACTICABLE AFTER THIS REGISTRATION STATEMENT BECOMES EFFECTIVE.
 
    If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, check the following box. / /
 
    If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of the earlier effective
registration statement for the same offering. / /
 
    If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. / /
 
    If this Form is a post-effective amendment filed pursuant to Rule 462(d)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. / /
 
    If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. / /
 
                           --------------------------
 
                        CALCULATION OF REGISTRATION FEE
 
<TABLE>
<CAPTION>
                                                                  PROPOSED MAXIMUM    PROPOSED MAXIMUM
                 TITLE OF                        AMOUNT TO         OFFERING PRICE        AGGREGATE           AMOUNT OF
        SECURITIES TO BE REGISTERED           BE REGISTERED(1)      PER SHARE(2)       OFFERING PRICE     REGISTRATION FEE
<S>                                          <C>                 <C>                 <C>                 <C>
Common Stock, no par value.................      1,725,000            $14.8125          $25,551,563            $7,743
</TABLE>
 
(1) Includes shares subject to the Underwriters' over-allotment option.
 
(2) Estimated solely for the purposes of calculating the amount of the
    registration fee pursuant to Rule 457(c) under the Securities Act on the
    basis of the average of the high and low sales prices of the Common Stock on
    the Nasdaq National Market on November 11, 1997.
 
                           --------------------------
 
    THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OF 1933, OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                 SUBJECT TO COMPLETION, DATED NOVEMBER   , 1997
INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A
REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR MAY
OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT BECOMES
EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR THE
SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE SECURITIES
IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE UNLAWFUL PRIOR
TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH STATE.
<PAGE>
                                1,500,000 Shares
 
[LOGO]                         THRUSTMASTER, INC.
 
                                  Common Stock
                                ----------------
 
    Of the 1,500,000 shares of Common Stock offered hereby, 1,200,000 shares are
being offered by ThrustMaster, Inc. ("ThrustMaster" or the "Company") and
300,000 shares are being offered by a shareholder of the Company (the "Selling
Shareholder"). The Company will not receive any proceeds from the sale of the
shares being sold by the Selling Shareholder. See "Principal and Selling
Shareholders."
 
    The Company's Common Stock is traded on the Nasdaq National Market under the
symbol "TMSR." On November 13, 1997, the last reported sale price of the Common
Stock as reported on the Nasdaq National Market was $15.875 per share. See
"Price Range of Common Stock."
                            ------------------------
 
THE COMMON STOCK OFFERED HEREBY INVOLVES A HIGH DEGREE OF RISK. SEE
       "RISK FACTORS" COMMENCING ON PAGE 6 OF THIS PROSPECTUS.
 
                            ------------------------
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
     EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
        SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
             COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF
                THIS PROSPECTUS. ANY REPRESENTATION TO THE
                      CONTRARY IS A CRIMINAL OFFENSE.
<TABLE>
<S>                       <C>              <C>              <C>              <C>
- -------------------------------------------------------------------------------------------
- -------------------------------------------------------------------------------------------
 
<CAPTION>
                                                                                PROCEEDS
                               PRICE        UNDERWRITING      PROCEEDS TO      TO SELLING
                             TO PUBLIC      DISCOUNTS(1)      COMPANY(2)       SHAREHOLDER
<S>                       <C>              <C>              <C>              <C>
- --------------------------------------------------------------------------------------------
Per Share...............         $                $                $                $
- -------------------------------------------------------------------------------------------
Total(3)................         $                $                $                $
- -------------------------------------------------------------------------------------------
- -------------------------------------------------------------------------------------------
</TABLE>
 
(1) See "Underwriting" for indemnification arrangements with the several
    Underwriters.
 
(2) Before deducting expenses payable by the Company, estimated at $250,000.
 
(3) The Company has granted the Underwriters a 45-day option to purchase up to
    225,000 additional shares of Common Stock solely to cover over-allotments,
    if any. If such option is exercised in full, the total Price to Public,
    Underwriting Discounts and Proceeds to Company will be $        , $
    and $        , respectively. See "Underwriting."
 
    The shares of Common Stock are offered by the several Underwriters named
herein subject to receipt and acceptance by them and subject to their right to
reject any order in whole or in part. It is expected that delivery of the
certificates representing such shares will be made against payment therefor at
the offices of Van Kasper & Company, in San Francisco, California on or about
December   , 1997.
 
                            ------------------------
 
                              VAN KASPER & COMPANY
 
                                December  , 1997
<PAGE>
                                     [LOGO]
 
                             PRODUCT AND PACKAGING
                              DISPLAY PHOTOGRAPHS
                                     Text:
 
                 Innovative Leader in Computer Game Controllers
 
CERTAIN PERSONS PARTICIPATING IN THIS OFFERING MAY ENGAGE IN TRANSACTIONS THAT
STABILIZE, MAINTAIN OR OTHERWISE AFFECT THE PRICE OF THE COMMON STOCK. SUCH
TRANSACTIONS MAY INCLUDE STABILIZING, THE PURCHASE OF COMMON STOCK TO COVER
SYNDICATE SHORT POSITIONS AND THE IMPOSITION OF PENALTY BIDS. FOR A DESCRIPTION
OF THESE ACTIVITIES, SEE "UNDERWRITING."
 
IN CONNECTION WITH THIS OFFERING, CERTAIN UNDERWRITERS AND SELLING GROUP MEMBERS
(IF ANY) MAY ENGAGE IN PASSIVE MARKET MAKING TRANSACTIONS IN THE COMMON STOCK ON
THE NASDAQ NATIONAL MARKET IN ACCORDANCE WITH RULE 103 OF REGULATION M. SEE
"UNDERWRITING."
 
                                       2
<PAGE>
                               PROSPECTUS SUMMARY
 
    THE FOLLOWING SUMMARY IS QUALIFIED IN ITS ENTIRETY BY THE MORE DETAILED
INFORMATION, INCLUDING "RISK FACTORS" AND THE CONSOLIDATED FINANCIAL STATEMENTS
AND RELATED NOTES THERETO, APPEARING ELSEWHERE IN THIS PROSPECTUS.
 
                                  THE COMPANY
 
    ThrustMaster designs, develops, manufactures and markets a diversified line
of innovative and technologically advanced game controllers for the home
personal computer ("PC") market. The Company has established ThrustMaster as a
brand name recognized for quality, value, durability and ease of use.
ThrustMaster products enhance the enjoyment of the PC entertainment experience
and appeal to a wide variety of users, from occasional game players to avid
enthusiasts. The Company's products include racing wheels, joysticks, gamepads
and flight simulation controllers. ThrustMaster products are available in over
5,000 retail outlets in North America and Europe, including Babbage's, Etc.;
Best Buy Co., Inc.; Circuit City Stores, Inc.; CompUSA; Computer City
Supercenter; The Electronic Boutique, Inc. and Sam's Club.
 
    From 1992 to 1996, the Company's annual revenue increased from $2.1 million
to $30.8 million and annual net income increased from $0.4 million to $2.3
million. For the nine months ended September 30, 1997 compared to the nine
months ended September 30, 1996, revenues increased 52% to $23.9 million and net
income increased 74% to $1.5 million.
 
    Over the last several years, significant technological advances in the home
PC, such as improvements in processor speeds and graphical capabilities, have
enabled software developers to create increasingly sophisticated entertainment
programs with real-time interaction that offer greater realism and excitement.
As a result, the PC has become a viable home entertainment platform. According
to IDC/LINK, an industry research firm, the installed base of home PCs in the
United States will reach 50 million units by the end of 1997, and will increase
to 70 million units by 2001. Shipments of new PCs are projected to increase from
10.4 million units in 1996 to 18.7 million units in 2001. Unit shipments of
software titles are projected to grow from 48 million in 1996 to over 126
million in 2001, representing a compound annual rate of approximately 21%. The
Company believes that sales of game controllers are directly correlated with
sales of both PCs and entertainment software titles.
 
    Working with leading software publishers, such as Electronic Arts, Inc.,
Activision, Inc., Sierra On-Line, Inc., GT Interactive Software Corp. and Virgin
Interactive Entertainment, Inc., the Company often bundles its game controllers
with popular software titles. These bundling arrangements enable the Company to
deliver increased value to consumers, and to differentiate its products from
competing products. The Company offers a variety of bundled game controller
packages which allow for differentiation among retailers that carry the
Company's products. The Company also utilizes recognized brand names, such as
NASCAR-Registered Trademark-, TOP GUN-TM- and NASA, to enhance consumer appeal.
 
    The Company's objective is to be a leading provider of controllers to the
interactive electronic entertainment industry. In order to achieve this
objective, the Company's business strategy is to: (i) market high quality
controllers that provide value and durability; (ii) leverage popular game titles
and brands to increase product demand; (iii) foster strategic relationships with
hardware manufacturers; (iv) develop and introduce innovative products; and (v)
pursue strategic acquisitions of complementary products or businesses.
 
    The Company was incorporated in Oregon in 1990. The Company's principal
executive offices are located at 7175 NW vergreen Parkway, Suite 400, Hillsboro,
Oregon 97124-5839, and its telephone number is (503) 615-3200.
 
                                       3
<PAGE>
                                  THE OFFERING
 
<TABLE>
<S>                                               <C>
Common Stock offered by the Company.............  1,200,000 shares
 
Common Stock offered by the Selling
  Shareholder...................................  300,000 shares
 
Total Common Stock offered......................  1,500,000 shares
 
Common Stock to be outstanding after this
  offering......................................  5,493,588 shares(1)
 
Use of proceeds.................................  For the repayment of indebtedness and for
                                                  working capital and general corporate
                                                  purposes, which may include acquisitions
                                                  or joint ventures.
 
Nasdaq National Market Symbol...................  TMSR
</TABLE>
 
- ------------------------
 
(1) Based on shares outstanding as of November 1, 1997. Excludes (i) 900,868
    shares issuable upon exercise of outstanding stock options under the
    Company's 1994 Stock Option Plan, 1990 Stock Option Plan and Director's
    Nonqualified Stock Option Plan, with a weighted average exercise price of
    $4.56 per share, (ii) 193,342 shares reserved for future grants under such
    stock options plans, and (iii) 117,150 shares issuable upon the exercise of
    outstanding warrants issued in connection with the Company's initial public
    offering, with an exercise price of $7.57 per share. See "Management--
    Incentive Compensation and Benefit Plans" and "Description of Capital
    Stock--Warrants."
 
    EXCEPT AS OTHERWISE NOTED, ALL INFORMATION IN THIS PROSPECTUS (I) ASSUMES NO
EXERCISE OF THE UNDERWRITERS' OVER-ALLOTMENT OPTION AND (II) GIVES EFFECT TO A
3% STOCK DIVIDEND ON THE COMMON STOCK DECLARED ON JANUARY 21, 1997, AS IF SUCH
DIVIDEND HAD BEEN DECLARED AND MADE PRIOR TO THE PERIODS COVERED HEREBY. SEE
"UNDERWRITING." UNLESS THE CONTEXT OTHERWISE REQUIRES, REFERENCES IN THIS
PROSPECTUS TO THE "COMPANY" OR "THRUSTMASTER" ARE TO THRUSTMASTER, INC., AND ITS
SUBSIDIARY. THE THRUSTMASTER LOGO AND THRUSTMASTER ARE AMONG THE COMPANY'S
TRADEMARKS. THIS PROSPECTUS INCLUDES OTHER TRADEMARKS AND TRADE NAMES OF THE
COMPANY AND OF OTHER COMPANIES.
 
                                       4
<PAGE>
                      SUMMARY CONSOLIDATED FINANCIAL DATA
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                                                 NINE MONTHS ENDED
                                                       YEARS ENDED DECEMBER 31,                    SEPTEMBER 30,
                                         -----------------------------------------------------  --------------------
                                           1992       1993       1994       1995       1996       1996       1997
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                                                                                    (UNAUDITED)
<S>                                      <C>        <C>        <C>        <C>        <C>        <C>        <C>
INCOME STATEMENT DATA:
Revenues...............................  $   2,655  $   8,214  $  13,582  $  19,415  $  30,821  $  15,745  $  23,930
Cost of goods sold.....................      1,438      4,290      8,007     11,815     19,592      9,727     14,814
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
  Gross profit.........................      1,217      3,924      5,575      7,600     11,229      6,018      9,116
Operating expenses.....................        687      2,581      3,804      5,956      8,066      5,032      7,156
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
Income from operations.................        530      1,343      1,771      1,644      3,163        986      1,960
Interest income........................     --         --         --            404        466        324        284
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
Income before income taxes.............        530      1,343      1,771      2,048      3,629      1,310      2,244
Provision for income taxes(1)..........        169        456        633        687      1,370        472        790
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
Net income(1)..........................  $     361  $     887  $   1,138  $   1,361  $   2,259  $     838  $   1,454
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
Net income per share...................  $    0.25  $    0.33  $    0.38  $    0.32  $    0.49  $    0.18  $    0.30
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
Weighted average shares outstanding....      1,431      2,686      2,957      4,293      4,647      4,582      4,807
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                            SEPTEMBER 30, 1997
                                                                                         -------------------------
                                                                                          ACTUAL    AS ADJUSTED(2)
                                                                                         ---------  --------------
                                                                                                (UNAUDITED)
<S>                                                                                      <C>        <C>
BALANCE SHEET DATA:
Working capital........................................................................  $  15,642    $   32,132
Total assets...........................................................................     22,844        39,334
Total liabilities......................................................................      5,319         5,319
Total shareholders' equity.............................................................     17,525        34,015
</TABLE>
 
- ------------------------
 
(1) The provision for income taxes, net income and net income per share includes
    a pro forma income tax adjustment to reflect the Company as a C corporation,
    rather than an S corporation, for federal and state income tax purposes for
    the years ended December 31, 1992, 1993, 1994 and 1995. See Notes 2 and 12
    to Consolidated Financial Statements.
 
(2) As adjusted to reflect the sale by the Company of 1,200,000 shares of Common
    Stock in connection with this offering.
 
                                       5
<PAGE>
                                  RISK FACTORS
 
    IN ADDITION TO THE OTHER INFORMATION IN THIS PROSPECTUS, THE FOLLOWING RISK
FACTORS SHOULD BE CONSIDERED CAREFULLY IN EVALUATING THE COMPANY AND ITS
BUSINESS BEFORE PURCHASING SHARES OF THE COMMON STOCK OFFERED HEREBY. THIS
PROSPECTUS CONTAINS FORWARD-LOOKING STATEMENTS, WITHIN THE MEANING OF SECTION
27A OF THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"), THAT
INVOLVE RISKS AND UNCERTAINTIES. THE COMPANY'S ACTUAL RESULTS COULD DIFFER
MATERIALLY FROM THE RESULTS DISCUSSED IN THE FORWARD-LOOKING STATEMENTS. FACTORS
THAT COULD CAUSE OR CONTRIBUTE TO SUCH DIFFERENCES ARE DISCUSSED BELOW.
 
NEW PRODUCTS AND TECHNOLOGICAL CHANGE
 
    The Company believes that its future growth will depend on its ability to
develop and introduce new products that keep pace with technological
developments, maintain and enhance its existing product line, respond to
evolving customer preferences, and achieve market acceptance. The Company
occasionally has experienced, and may in the future experience, delays in the
development and introduction of new products. The success of new products and
product enhancements depends on a variety of factors, including product
selection and specification, timely and efficient completion of product design,
cost-effective implementation of manufacturing and assembly processes, and
effective sales and marketing efforts through the Company's distribution
channels. Any failure by the Company to anticipate or respond adequately to
technological developments or customer preferences, or any significant delays in
product development or introduction, could have a material adverse effect on the
Company's business, financial condition and results of operations.
 
COMPETITION
 
    The markets in which the Company participates are highly competitive, and
the Company expects that it will face increased competition in the future. The
Company's principal competitors include Microsoft Corporation, Advanced Gravis
Computer Technology, Ltd., CH Products, Logitech International S.A. and InterAct
Accessories, many of which have substantially greater financial, technical and
marketing resources than the Company. The Company believes that the principal
competitive factors in the market for PC game controllers include price,
quality, product features, ease of use, durability, reputation and compatibility
with PC games. The Company's competitors could hinder sales and market
acceptance of the Company's products by developing products that are more
appealing than the Company's products or that render the Company's technology
and products obsolete or noncompetitive. Moreover, increased competitive
pressure could lead to intensified price-based competition, which has in the
past created, and could in the future create, margin pressures and which could
have a material adverse effect on the Company's business, financial condition
and results of operations.
 
OFFSHORE MANUFACTURING; DEPENDENCE ON MANUFACTURING CONTRACTORS
 
    Virtually all of the Company's products are manufactured in China and Taiwan
by independent contractors. The Company's use of offshore manufacturing is
subject to the customary risks of doing business abroad, including fluctuations
in the value of currencies, tariffs, export duties, quotas, restrictions on the
transfer of funds, work stoppages and political instability.
 
    For the nine months ended September 30, 1997, approximately 90% of the
Company's products were manufactured through a single vendor utilizing factories
located in Taiwan and the Guangdong province of China. Manufacturing by such
vendor at one factory accounted for more than half of the Company's production.
If any of the manufacturing facilities utilized by the Company become
unavailable, or if the manufacturing operations at these facilities are slowed,
interrupted or terminated, the Company's business, financial condition and
results of operation could be materially and adversely affected. The Company may
not be able to enter into alternative third-party manufacturing arrangements on
terms satisfactory to the Company, in a timely fashion, or at all, if
alternative arrangements are needed. In addition, although the
 
                                       6
<PAGE>
Company seeks to control the quality of its products manufactured offshore,
quality problems have occasionally arisen, and may in the future arise, that are
beyond the Company's direct control. The use of independent manufacturing
contractors to manufacture and assemble products offshore also has required the
Company to increase production lead times and has reduced the Company's ability
to adjust production in response to short-term market conditions. As a result,
the failure of the Company to adequately forecast demand for products
manufactured offshore could materially and adversely affect its sales and
results of operations.
 
SEASONALITY; VARIABILITY IN PERIODIC OPERATING RESULTS
 
    The Company's business is seasonal, reflecting traditional retail
seasonality patterns. Sales in the retail PC game entertainment industry are
significantly higher in the fourth calendar quarter of each year than in the
preceding three quarters. In 1996, nearly 50% of the Company's revenues were
earned in the fourth quarter. In addition to seasonality, the Company is likely
to experience significant fluctuations in future periodic operating results due
to a number of factors, including, among others, the size or timing of customer
orders, delays in product enhancements and new product introductions by the
Company, quality control difficulties, market acceptance of new products,
product returns, customer order deferrals in anticipation of new products or
enhancements, reduction in demand for existing products as a result of new
product introductions by the Company or others, and general economic conditions.
Any of these factors could cause quarterly or other periodic operating results
to vary significantly from prior periods. The Company's customers generally
order on an as-needed basis, and the Company typically does not have a
significant order backlog at the beginning of each quarter. Because quarterly
revenues are dependent largely on the volume and timing of orders received
during such quarter, which may be difficult to forecast, and the Company's
operating expenses are based in part on its estimate of future revenues, the
Company may be unable to adjust its spending in a timely manner to compensate
for a shortfall in revenues.
 
POTENTIAL INABILITY TO MANAGE FUTURE ACQUISITIONS
 
    The Company intends to supplement its internal growth through the
acquisition of complementary product lines and businesses. The Company's
management has limited experience in identifying, completing, and integrating
acquisitions. The Company's ability to grow through acquisitions depends on,
among other things, the Company's ability (i) to identify complementary product
lines or businesses, (ii) to acquire them on terms that management considers
attractive, and (iii) to integrate acquired complementary product lines or
businesses into its organization. Any future acquisitions would be accompanied
by the risks commonly encountered in such transactions, including difficulties
associated with assimilating the personnel and operations of an acquired
business, the Company's potential inability to achieve expected financial
results or strategic goals for the acquired product line or business, the
potential disruption of the Company's ongoing business, and the diversion of
significant management and other Company resources. The Company may not be able
to identify future acquisition opportunities or to successfully overcome the
risks and challenges encountered in completing and integrating such
acquisitions. The Company's failure or inability to implement and manage its
acquisition strategy could have a material adverse effect on the Company's
business, financial condition and results of operations.
 
CUSTOMER CONCENTRATION
 
    The Company anticipates that a significant portion of the Company's revenues
and accounts receivable will continue to be derived from a limited number of key
customers. For the nine months ended September 30, 1997, two customers accounted
for an aggregate of approximately 28% of the Company's revenues. The loss of one
or more of its key customers or any significant reduction in orders by such
customers could have a material adverse effect on the Company's business,
financial condition and results of operations.
 
                                       7
<PAGE>
DEPENDENCE UPON KEY PERSONNEL
 
    The Company's future success depends to a significant extent on the
continued service of its key research and development, management and marketing
and sales personnel. Competition for such employees is intense, and the Company
may be unable to attract, motivate and retain highly qualified employees. The
Company does not have employment or non-competition agreements with, or maintain
key man life insurance for, any of its employees. Any failure to attract,
motivate or retain key Company personnel could have a material adverse effect on
the Company's business, financial condition and results of operations.
 
INTELLECTUAL PROPERTY RIGHTS
 
    The Company regards certain aspects of its products as proprietary and
relies on a combination of copyright and trademark laws, patents, trade secrets
and confidentiality procedures and agreements to protect its proprietary rights.
Despite the Company's efforts to safeguard its proprietary rights, it may not be
successful in doing so or the Company's competitors may independently develop or
patent technologies that are substantially equivalent or superior to or
otherwise circumvent the Company's proprietary rights. Confidentiality
agreements may not provide meaningful protection for the Company's trade secrets
or other proprietary information in the event of any unauthorized use,
misappropriation or disclosure of such information by the Company's employees,
consultants or business partners. The Company believes that its products,
processes and trademarks do not infringe on the rights of third parties; however
third parties may assert infringement or other related claims against the
Company in the future. Any infringement claim or related litigation against the
Company, or any challenge to the validity of the Company's own intellectual
property rights, and the expense of defending the same, could materially and
adversely affect the Company's business, financial condition and results of
operations.
 
DEPENDENCE UPON SOLE OR LIMITED SUPPLIERS
 
    The Company is dependent on suppliers for components, and certain key
components used in the Company's products are obtained from a sole or limited
group of suppliers. The Company's reliance on these suppliers involves several
risks, including a potential inability to obtain an adequate supply of required
components and reduced control over pricing and timely delivery of components
and finished products. Any reduction or interruption of or delay in supply could
materially and adversely affect the Company. The Company has in the past
encountered, and may in the future encounter, shortages of supplies and delays
in deliveries of necessary components. Substantially all components used in the
Company's products are purchased from sources located outside the United States.
Trading policies adopted by the United States or foreign governments could
restrict the availability of components or increase the cost of obtaining them.
Any significant increase in component prices or decrease in component
availability could materially and adversely affect the Company's business,
financial condition and results of operations.
 
INTERNATIONAL SALES
 
    The Company expects to focus an increasing amount of its sales efforts in
international markets. The Company expects that any international sales will be
subject to the normal risks of foreign sales, such as protective tariffs, export
and import controls, transportation delays and interruptions, and changes in
demand resulting from fluctuating exchange rates. Although most of the Company's
international revenues currently are earned in U.S. dollars, a growing portion
is earned in other currencies, primarily German marks and British pounds
sterling. To the extent revenues are earned in currencies other than U.S.
dollars, net income may fluctuate due to changes in the value of the U.S. dollar
relative to such other currencies. The Company has not entered into any forward
exchange contracts or other hedging activities in anticipation of foreign
currency fluctuations, but may do so in the future.
 
                                       8
<PAGE>
BROAD DISCRETION OF MANAGEMENT REGARDING USE OF PROCEEDS
 
    Of the net proceeds to the Company from the sale of the Common Stock in this
offering at an assumed public offering price of $15.00 per share, approximately
$12.5 million, or 75.8% (approximately $15.6 million, or 79.6%, if the
Underwriters' over-allotment option is exercised in full), is expected to be
allocated to working capital and general corporate purposes. Accordingly,
management will have broad discretion as to the application of such net
proceeds. Pending any specific application, the Company expects to invest the
net proceeds in short-term, interest-bearing, investment grade obligations. The
return on the Company's investment on any portion of the net proceeds that is
not immediately used may be less than that which would be realized were such
funds invested in the Company's business.
 
VOLATILITY OF STOCK PRICE
 
    The Common Stock is traded on the Nasdaq National Market, which has
experienced, and is likely to experience in the future, significant price and
volume fluctuations that could adversely affect the market price of the Common
Stock without regard to the Company's operating performance. The Company
believes that factors such as operating results, announcements of technological
innovations or new product introductions by the Company or its competitors,
changes in or actual results varying from estimates by securities analysts, the
operating and stock price performance of other companies that investors may deem
comparable to the Company, announcements by software manufacturers and other
events or factors could contribute to the volatility of the price of the Common
Stock and cause it to fluctuate significantly. Market prices for high technology
companies in particular have experienced extreme volatility, often unrelated to
the operating performance of such companies. These factors, as well as general
economic conditions such as recessions or high interest rates, may adversely
affect the market price of the Common Stock.
 
SHARES ELIGIBLE FOR FUTURE SALE
 
    Sales of substantial amounts of Common Stock in the public market by
existing shareholders or further issuances of capital stock by the Company
following this offering (or the perception that such sales or issuances might
occur) could adversely affect the price of the Common Stock. All of the
approximately 5,493,588 shares of Common Stock that will be outstanding
immediately following completion of this offering (assuming no exercise of
options or warrants after November 1, 1997), will be freely tradable under
federal securities laws to the extent that they are not held by affiliates of
the Company. The Company and certain of its directors, officers and shareholders
have agreed with the Underwriters that, for a period of 80 days after the date
of this Prospectus, they will not offer, sell, contract to sell or grant any
option to purchase or otherwise dispose of the 1,330,832 shares any of the
1,444,080 shares of Common Stock owned by them, without the prior written
consent of Van Kasper & Company, which will not be unreasonably withheld, other
than shares of Common Stock offered hereby, grants of options by the Company in
the ordinary course pursuant to its stock option plans, and sales of up to
40,000 shares of Common Stock 60 days after completion of this offering.
Additionally, as of November 1, 1997, 1,039,918 shares were issuable upon the
exercise of outstanding options and warrants, and 193,342 shares were reserved
for future grants under the Company's stock option plans. See "Description of
Capital Stock-- Warrants," "Shares Eligible for Future Sale,"
"Management--Incentive Compensation and Benefit Plans" and "Underwriting."
 
POTENTIAL ADVERSE IMPACT OF ISSUANCE OF PREFERRED STOCK; ANTITAKEOVER EFFECT OF
  OREGON LAW AND THE COMPANY'S AMENDED AND RESTATED BYLAWS
 
    The Company's Board of Directors has the authority to issue up to 5,000,000
shares of Preferred Stock and to fix the rights, preferences, privileges and
restrictions of such shares without any further vote or action by the Company's
shareholders. The potential issuance of Preferred Stock may have the effect of
delaying, deferring or preventing a change in control of the Company, may
discourage bids for the Common Stock at a premium over the market price of the
Common Stock and may adversely affect the
 
                                       9
<PAGE>
market price of, and the voting and other rights of the holders of, Common
Stock. Moreover, certain "business combination" provisions of Oregon law could
make it more difficult to consummate a merger or tender offer involving the
Company, even if such event could be beneficial, in the short term, to the
interests of the shareholders. Such provisions may discourage acquisition bids
for the Company or could limit the price that certain investors might be willing
to pay in the future for shares of the Company's Common Stock. In addition, the
Company's Amended and Restated Bylaws provide for a classified Board of
Directors serving staggered three-year terms. A classified Board may have the
effect of deferring or discouraging a change of control of the Company. See
"Description of Capital Stock."
 
                                       10
<PAGE>
                                USE OF PROCEEDS
 
    The net proceeds to the Company from the sale of the Common Stock in this
offering at an assumed public offering price of $15.00 per share, after
deducting underwriting discounts and estimated offering expenses payable by the
Company, are estimated to be approximately $16.5 million (approximately $19.6
million if the Underwriters' over-allotment option is exercised in full). The
Company will not receive any proceeds from the Common Stock being sold by the
Selling Shareholder.
 
    Of the estimated net proceeds, the Company expects to use (i) a portion,
anticipated to be approximately $4.0 million, to repay amounts to be borrowed by
the Company under a line of credit prior to completion of this offering in order
to meet peak working capital needs during the fourth quarter of 1997; and (ii)
the remaining balance for working capital and general corporate purposes, which
may include future joint ventures or acquisitions. The Company currently has no
agreements or understandings, and there currently are no active negotiations to
make any acquisitions or enter into any joint ventures. Borrowings under the
Company's line of credit bear interest at a fluctuating rate at all times equal
to the prime rate (8.5% at November 1, 1997) or a rate based on LIBOR. See
"Management's Discussion and Analysis of Financial Condition and Results of
Operations--Liquidity and Capital Resources."
 
    Except for the expenditures identified above, the Company has not yet
identified other specific uses of proceeds and, pending such uses, the Company
expects to invest the net proceeds in short-term, interest-bearing, investment
grade obligations. See "Risk Factors--Broad Discretion of Management Regarding
Use of Proceeds."
 
                                       11
<PAGE>
                          PRICE RANGE OF COMMON STOCK
 
    The Company's Common Stock is traded on the Nasdaq National Market under the
symbol "TMSR." The Company's initial public offering was completed March 3,
1995, at a price to the public of $6.31 per share. The following table sets
forth the high and low closing sales prices for the Common Stock for each
quarter as reported on the Nasdaq National Market for the quarters indicated.
 
<TABLE>
<CAPTION>
                                                      HIGH        LOW
                                                    ---------  ---------
<S>                                                 <C>        <C>
1995
  First quarter...................................  $    9.95  $    7.52
  Second quarter..................................       9.22       6.31
  Third quarter...................................       8.98       6.80
  Fourth quarter..................................       8.25       5.70
1996
  First quarter...................................  $    7.41  $    3.52
  Second quarter..................................       6.92       4.00
  Third quarter...................................       5.58       3.64
  Fourth quarter..................................       8.86       5.34
1997
  First quarter...................................  $    8.98  $    7.00
  Second quarter..................................      12.13       7.13
  Third quarter...................................      18.00      11.00
  Fourth quarter (through Nov. 13)................      17.63      13.00
</TABLE>
 
    The closing sale price per share of the Common Stock on November 13, 1997,
as reported on the Nasdaq National Market, was $15.875. As of November 1, 1997,
there were 4,293,588 shares of Common Stock outstanding held by 95 holders of
record.
 
                                DIVIDEND POLICY
 
    The Company has not paid cash dividends on its Common Stock, other than for
the payment of its shareholders' income tax liabilities which arose under its S
Corporation status, which terminated December 31, 1994. On January 21, 1997, the
Company declared a 3% stock dividend on the Common Stock to holders of record as
of February 14, 1997. The Company currently intends to retain any future
earnings to finance the expansion and development of its business and does not
presently anticipate paying cash dividends to the holders of Common Stock. The
payment of future cash dividends will be at the sole discretion of the Company's
Board of Directors and will depend on, among other things, future earnings,
capital requirements, the financial condition of the Company and general
business conditions. No financing agreements to which the Company is a party or
by which it is bound currently restricts the payment of dividends on the Common
Stock.
 
                                       12
<PAGE>
                                 CAPITALIZATION
 
    The following table sets forth the capitalization of the Company as of
September 30, 1997 and as adjusted to reflect the sale by the Company of
1,200,000 shares of Common Stock offered hereby and the receipt by the Company
of approximately $16.5 million of net proceeds therefrom, at an assumed public
offering price of $15.00 per share, after deducting the underwriting discounts
and estimated offering expenses payable by the Company. The information set
forth below should be read in conjunction with "Management's Discussion and
Analysis of Financial Condition and Results of Operations," the Company's
consolidated financial statements and related notes thereto and other financial
information included elsewhere in this Prospectus.
 
<TABLE>
<CAPTION>
                                                                         AS OF SEPTEMBER 30,
                                                                                 1997
                                                                        ----------------------
                                                                         ACTUAL    AS ADJUSTED
                                                                        ---------  -----------
                                                                            (IN THOUSANDS)
<S>                                                                     <C>        <C>
Long-term debt........................................................  $  --       $  --
Shareholders' equity:
  Preferred Stock, no par value; 5,000,000 authorized; none issued or
    outstanding.......................................................     --          --
  Common Stock, no par value; actual: 25,000,000 shares authorized,
    4,293,588 shares issued and outstanding; as adjusted: 25,000,000
    shares authorized, 5,493,588 shares issued and outstanding (1)....     13,474      29,964
  Retained earnings...................................................      4,051       4,051
                                                                        ---------  -----------
    Total shareholders' equity........................................     17,525      34,015
                                                                        ---------  -----------
Total capitalization..................................................  $  17,525   $  34,015
                                                                        ---------  -----------
                                                                        ---------  -----------
</TABLE>
 
- ------------------------
 
(1) As of November 1, 1997. Excludes (i) 900,868 shares issuable upon exercise
    of outstanding stock options under the Company's 1994 Stock Option Plan,
    1990 Stock Option Plan and Directors' Nonqualified Stock Option Plan, with a
    weighted average exercise price of $4.56 per share, (ii) 193,342 shares
    reserved for future grants under such stock option plans and (iii) 117,150
    shares issuable upon the exercise of outstanding warrants issued in
    connection with the Company's initial public offering, with an exercise
    price of $7.57 per share. See "Management--Incentive Compensation and
    Benefit Plans" and "Description of Capital Stock--Warrants."
 
                                       13
<PAGE>
                      SELECTED CONSOLIDATED FINANCIAL DATA
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
    The following selected consolidated financial data relating to the Company
should be read in conjunction with the Company's consolidated financial
statements and the related notes thereto, "Management's Discussion and Analysis
of Financial Condition and Results of Operations" and the other financial
information included elsewhere in this Prospectus. The selected financial data
for each of the five years ended December 31, 1996 was derived from the
Company's consolidated financial statements, audited by Coopers & Lybrand
L.L.P., independent accountants. The selected financial data for the nine months
ended September 30, 1996 and 1997 was derived from unaudited interim financial
statements for those periods prepared on the same basis as the audited financial
statements and, in the opinion of management of the Company, include all
adjustments necessary (consisting only of normal recurring adjustments) for a
fair presentation of such financial data. The selected financial data for the
nine months ended September 30, 1997 is not necessarily indicative of the
results that may be expected for the year ending December 31, 1997.
 
<TABLE>
<CAPTION>
                                                                                                 NINE MONTHS ENDED
                                                       YEARS ENDED DECEMBER 31,                    SEPTEMBER 30,
                                         -----------------------------------------------------  --------------------
                                           1992       1993       1994       1995       1996       1996       1997
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
<S>                                      <C>        <C>        <C>        <C>        <C>        <C>        <C>
INCOME STATEMENT DATA:
Revenues...............................  $   2,655  $   8,214  $  13,582  $  19,415  $  30,821  $  15,745  $  23,930
Cost of goods sold.....................      1,438      4,290      8,007     11,815     19,592      9,727     14,814
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
  Gross profit.........................      1,217      3,924      5,575      7,600     11,229      6,018      9,116
Operating expenses:
  Research and engineering.............        234      1,022      1,115      1,845      2,105      1,352      1,807
  Selling, general and
    administrative.....................        453      1,559      2,689      4,111      5,961      3,680      5,349
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
      Total operating expenses.........        687      2,581      3,804      5,956      8,066      5,032      7,156
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
Income from operations.................        530      1,343      1,771      1,644      3,163        986      1,960
Interest income........................         --         --         --        404        466        324        284
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
Income before income taxes.............        530      1,343      1,771      2,048      3,629      1,310      2,244
Provision for income taxes(1)..........        169        456        633        687      1,370        472        790
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
Net income(1)..........................  $     361  $     887  $   1,138  $   1,361  $   2,259  $     838  $   1,454
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
Net income per share(1)................  $    0.25  $    0.33  $    0.38  $    0.32  $    0.49  $    0.18  $    0.30
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
Weighted average shares outstanding....      1,431      2,686      2,957      4,293      4,647      4,582      4,807
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                         ---------  ---------  ---------  ---------  ---------  ---------  ---------
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                            SEPTEMBER 30, 1997
                                                                                         -------------------------
                                                                                          ACTUAL    AS ADJUSTED(2)
                                                                                         ---------  --------------
<S>                                                                                      <C>        <C>
BALANCE SHEET DATA:
Working capital........................................................................  $  15,642    $   32,132
Total assets...........................................................................     22,844        39,334
Total liabilities......................................................................      5,319         5,319
Total shareholders' equity.............................................................     17,525        34,015
</TABLE>
 
- ------------------------
 
(1) The provision for income taxes, net income, and net income per share
    includes a pro forma income tax adjustment to reflect the Company as a C
    corporation, rather than an S corporation, for federal and state income tax
    purposes for the years ended December 31, 1992, 1993, 1994 and 1995. See
    Notes 2 and 12 to Consolidated Financial Statements.
 
(2) As adjusted to reflect the sale by the Company of 1,200,000 shares of Common
    Stock in connection with this offering.
 
                                       14
<PAGE>
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 
    THE FOLLOWING DISCUSSION AND ANALYSIS SHOULD BE READ IN CONJUNCTION WITH
"SELECTED CONSOLIDATED FINANCIAL DATA," THE COMPANY'S CONSOLIDATED FINANCIAL
STATEMENTS AND RELATED NOTES THERETO AND OTHER FINANCIAL INFORMATION INCLUDED
ELSEWHERE IN THIS PROSPECTUS. THE COMPANY BELIEVES THAT PERIOD-TO-PERIOD
COMPARISONS OF ITS FINANCIAL RESULTS SHOULD NOT BE RELIED ON AS AN ACCURATE
INDICATION OF FUTURE PERFORMANCE. THIS PROSPECTUS CONTAINS, IN ADDITION TO
HISTORICAL INFORMATION, FORWARD-LOOKING STATEMENTS, WITHIN THE MEANING OF
SECTION 27A OF THE SECURITIES ACT, THAT INVOLVE RISKS AND UNCERTAINTIES. THE
COMPANY'S ACTUAL RESULTS COULD DIFFER MATERIALLY FROM THE RESULTS DISCUSSED IN
THE FORWARD-LOOKING STATEMENTS. FACTORS THAT COULD CAUSE OR CONTRIBUTE TO SUCH
DIFFERENCES INCLUDE THOSE DISCUSSED UNDER "RISK FACTORS," AS WELL AS THOSE
DISCUSSED ELSEWHERE IN THIS PROSPECTUS.
 
OVERVIEW
 
    ThrustMaster designs, develops, manufactures and markets a diversified line
of innovative and technologically advanced game controllers for the home PC
market. The Company has established ThrustMaster as a brand name recognized for
quality, value, durability and ease of use. ThrustMaster products appeal to a
wide variety of PC users, from occasional game players to avid enthusiasts. The
Company's product offerings include racing wheels, joysticks, gamepads and
flight simulation controllers. All these products are designed to enhance the
user's enjoyment of the PC entertainment experience. The Company's revenues have
grown from $2.7 million in 1992 to $30.8 million in 1996, and net income has
grown from $0.4 million to $2.3 million during the same period. From 1992 to
1996 the Company's annual revenue increased from $2.1 million to $30.8 million
and annual net income increased from $0.4 million to $2.3 million. For the nine
months ended September 30, 1997, compared to the nine months ended September 30,
1996, revenues increased 52% to $23.9 million and net income increased 74% to
$1.5 million.
 
    From its inception in 1990 through the third quarter of 1994, the Company
derived a majority of its revenues from sales of flight simulation products to
serious computer game enthusiasts. In the fourth quarter of 1994, the Company
expanded its product line to include racing wheels. While the Company continues
to offer a wide variety of game controllers, racing wheels now account for a
majority of the Company's revenues. The Company believes that it is the leading
producer of racing wheels for the PC entertainment market.
 
    In mid-1996, the Company increased its foreign presence by contracting with
a distributor in the United Kingdom and with an independent sales representative
to market its products to major retailers in Germany. In 1997, the Company
opened its own distribution facility in the United Kingdom and has hired sales
and administrative staff to support its future growth in Europe. Sales outside
North America accounted for approximately 39% of the Company's revenues in 1996
and approximately 30% of revenues for the nine-month period ended September 30,
1997. The Company intends to continue to expand its presence in foreign markets,
primarily in Europe, by entering into relationships with additional distributors
and sales representatives. See Note 3 to Consolidated Financial Statements.
 
    Over the past three years, ThrustMaster moved virtually all manufacturing
operations off-shore on a contract basis in an effort to obtain manufacturing
cost efficiencies. The Company has continued to gain experience and confidence
in off-shore manufacturing. For the nine months ended September 30, 1997,
approximately 90% of the Company's products were manufactured through a single
vendor utilizing factories in Taiwan and the Guangdong province of China.
Manufacturing by such vendor at one factory accounted for more than half of the
Company's production. See "Risk Factors--Offshore Manufacturing; Dependence on
Manufacturing Contractors."
 
    The Company typically ships its products within 30 days of receipt of
customer orders. Substantially all of the Company's revenues in any quarter
result from orders received in that quarter. Accordingly, the
 
                                       15
<PAGE>
Company generally does not have significant backlog and believes that its
backlog at any given time is not a reliable indicator of future revenues or
earnings.
 
    The Company's business is seasonal, reflecting traditional retail
seasonality patterns. Sales in the retail PC game entertainment industry are
significantly higher in the fourth calendar quarter of each year than in the
preceding three quarters. In 1996, nearly 50% of the Company's revenues were
earned in the fourth quarter.
 
RESULTS OF OPERATIONS
 
    The following table sets forth, for the periods indicated, the percentage of
revenues represented by certain items included in the Company's consolidated
statements of income included elsewhere in this Prospectus:
 
<TABLE>
<CAPTION>
                                                                                                           NINE MONTHS ENDED
                                                                            YEARS ENDED DECEMBER 31,
                                                                                                             SEPTEMBER 30,
                                                                         -------------------------------  --------------------
                                                                           1994       1995       1996       1996       1997
                                                                         ---------  ---------  ---------  ---------  ---------
<S>                                                                      <C>        <C>        <C>        <C>        <C>
Revenues...............................................................      100.0%     100.0%     100.0%     100.0%     100.0%
Cost of goods sold.....................................................       59.0       60.9       63.6       61.8       61.9
                                                                         ---------  ---------  ---------  ---------  ---------
Gross profit...........................................................       41.0       39.1       36.4       38.2       38.1
                                                                         ---------  ---------  ---------  ---------  ---------
Operating expenses:....................................................
  Research and engineering.............................................        8.2        9.5        6.8        8.6        7.5
  Selling, general and administrative..................................       19.8       21.1       19.3       23.3       22.4
                                                                         ---------  ---------  ---------  ---------  ---------
Total operating expenses...............................................       28.0       30.6       26.1       31.9       29.9
                                                                         ---------  ---------  ---------  ---------  ---------
Income from operations.................................................       13.0        8.5       10.3        6.3        8.1
Interest income........................................................     --            2.0        1.5        2.0        1.3
                                                                         ---------  ---------  ---------  ---------  ---------
Income before income taxes.............................................       13.0       10.5       11.8        8.3        9.4
Provision for income taxes(1)..........................................        4.6        3.5        4.5        3.0        3.3
                                                                         ---------  ---------  ---------  ---------  ---------
Net income(1)..........................................................        8.4%       7.0%       7.3%       5.3%       6.1%
                                                                         ---------  ---------  ---------  ---------  ---------
                                                                         ---------  ---------  ---------  ---------  ---------
</TABLE>
 
- ------------------------
 
(1) The provision for income taxes and net income includes a pro forma income
    tax adjustment to reflect the Company as a C corporation, rather than an S
    corporation, for federal and state income tax purposes for the years ended
    December 31, 1994 and 1995. See Notes 2 and 12 to Consolidated Financial
    Statements.
 
COMPARISON OF NINE MONTHS ENDED SEPTEMBER 30, 1997 AND 1996
 
    REVENUES.  Revenues for the nine months ended September 30, 1997 were
$23,930,000, an increase of $8,185,000, or 52.0%, compared to $15,745,000 for
the nine months ended September 30, 1996. Revenues grew primarily due to
increased demand for the Company's core products and additional sales into the
warehouse-club distribution channel.
 
    GROSS PROFIT.  Gross profit for the nine months ended September 30, 1997 was
$9,116,000, an increase of $3,098,000, or 51.5%, compared to $6,018,000 for the
nine months ended September 30, 1996. As a percentage of revenues, the gross
profit margin percentage was nearly identical for the nine months ended
September 30, 1997 and 1996.
 
    RESEARCH AND ENGINEERING EXPENSES.  Research and engineering expenses were
$1,807,000 for the nine months ended September 30, 1997, an increase of
$455,000, or 33.7%, compared to $1,352,000 for the nine months ended September
30, 1996. The increase resulted primarily from additional expenses incurred in
development of the Company's new products. As a percentage of revenues, research
and engineering
 
                                       16
<PAGE>
expenses were 7.5% for the nine months ended September 30, 1997, compared to
8.6% for the nine months ended September 30, 1996. The Company intends to hire
additional research and engineering personnel to the extent reasonably permitted
by any increased revenues.
 
    SELLING, GENERAL AND ADMINISTRATION EXPENSES.  Selling, general and
administrative expenses were $5,349,000 for the nine months ended September 30,
1997, an increase of $1,669,000, or 45.4%, compared to $3,680,000 for the nine
months ended September 30, 1996. The increase was primarily due to higher
amounts of selling expenses associated with higher revenues, increases in other
merchandising and marketing expenses, and the funding of the Company's further
expansion into Europe. As a percentage of revenues, selling, general and
administrative expenses decreased to 22.4% for the nine months ended September
30, 1997, compared to 23.3% for the nine months ended September 30, 1996.
 
    INTEREST INCOME.  Interest income of $284,000 and $324,000 for the
nine-month periods ended September 30, 1997 and 1996, respectively, was derived
from the investment of the cash balances of the Company.
 
    INCOME TAXES.  The provision for income taxes for the nine-month period
ended September 30, 1997, reflects an effective tax rate of 35.2%. This compares
to a tax rate of 36.0% for the nine-month period ended September 30, 1996. The
effective tax rate was lower in the quarter ended September 30, 1997 as a result
of a one-time state tax credit in 1997.
 
COMPARISON OF YEARS ENDED DECEMBER 31, 1996 AND 1995
 
    REVENUES.  Revenues for 1996 were $30,821,000, an increase of $11,406,000,
or 58.7%, compared to $19,415,000 for 1995. Revenues increased primarily due to
significantly increased sales of the Company's existing products in Europe,
higher sales in the United States and the introduction of new products.
 
    GROSS PROFIT.  Gross profit for 1996 was $11,229,000, an increase of
$3,629,000, or 47.8%, compared to $7,600,000 for 1995. As a percentage of
revenues, the gross profit margin percentage was 36.4% for 1996, compared to
39.1% for 1995. The gross profit margin percentage declined primarily because
the Company's more recent product offerings generally have a lower gross margin
percentage than the Company's other products, and the Company incurred higher
than normal amounts of air freight in expediting delivery of certain products to
meet additional, unanticipated fourth quarter demand.
 
    RESEARCH AND ENGINEERING EXPENSES.  Research and engineering expenses were
$2,105,000 for 1996, an increase of $260,000, or 14.1%, compared to $1,845,000
in 1995. The increase resulted primarily from additional expenses incurred in
development of the Company's new products. As a percentage of revenues, research
and engineering expenses decreased to 6.8% in 1996, compared to 9.5% in 1995.
 
    SELLING, GENERAL AND ADMINISTRATIVE EXPENSES.  Selling, general and
administrative expenses were $5,961,000 for 1996, an increase of $1,850,000, or
45.0%, compared to $4,111,000 for 1995. The increase resulted primarily from
higher sales and marketing expenses. Sales and marketing expenses increased due
to higher amounts of selling expenses associated with greater revenues, and
increases in other merchandising and marketing expenses. As a percentage of
revenues, selling, general and administrative expenses decreased to 19.3% of
revenues in 1996, compared to 21.1% in 1995.
 
    INTEREST INCOME.  Interest income of $466,000 for 1996 and $404,000 for 1995
was derived from the investment of the cash balances of the Company.
 
    INCOME TAXES.  The provision for income taxes for 1996 reflects an effective
tax rate of 37.8%. This compares to a pro forma tax rate of 33.5% for 1995. The
increase in the effective tax rate was due primarily to a higher effective state
tax rate for the Company in 1996 which resulted from a one-time state tax credit
in 1995. See Notes 2 and 12 of Notes to Consolidated Financial Statements.
 
                                       17
<PAGE>
COMPARISON OF YEARS ENDED DECEMBER 31, 1995 AND 1994
 
    REVENUES.  Revenues for 1995 were $19,415,000, an increase of $5,833,000, or
42.9%, compared to $13,582,000 in 1994. Revenues increased primarily due to
greater retail sales of the Company's existing products and the introduction of
new products.
 
    GROSS PROFIT.  Gross profit for 1995 was $7,600,000, an increase of
$2,025,000, or 36.3%, compared to $5,575,000 in 1994. As a percentage of
revenues, gross profit was 39.1% in 1995, and 41.0% for 1994. The gross profit
margin percentage declined primarily because the Company's later product
offerings, which comprise an increasing percentage of total revenues, generally
had a lower gross margin percentage than the Company's earlier products.
 
    RESEARCH AND ENGINEERING EXPENSES.  Research and engineering expenses for
1995 were $1,845,000, an increase of $730,000, or 65.5%, compared to $1,115,000
in 1994. The increase resulted primarily from additional expenses incurred in
developing new products and enhancements to existing products as well as the
hiring of additional personnel. Research and engineering expenses were 9.5 % of
revenues in 1995, compared to 8.2 % in 1994.
 
    SELLING, GENERAL AND ADMINISTRATIVE EXPENSES.  Selling, general and
administrative expenses for 1995 were $4,111,000, an increase of $1,422,000, or
52.9%, compared to $2,689,000 in 1994. As a percentage of revenues, selling,
general and administrative expenses were 21.1% in 1995, compared to 19.8% in
1995. For 1995, selling, general and administrative expenses increased primarily
due to additional advertising and merchandising programs with certain major
retail customers. The Company also increased its marketing and sales personnel,
in order to support the Company's growth, and its reliance on commission-based
independent sales representatives. Additionally, certain selling, general and
administrative expenses increased for 1995 as a result of becoming a public
company.
 
    INTEREST INCOME.  Interest income for 1995 was derived from the investment
of the remaining proceeds of the public offering which closed March 3, 1995.
 
    INCOME TAXES.  The pro forma provision for income taxes for 1995 reflects an
effective tax rate of 33.5%. This compares to a pro forma tax rate of 35.7% for
1994. The decrease resulted from a reduction in the state income tax rate
applicable to the Company due to a one-time state tax credit. See Notes 2 and 12
of Notes to Consolidated Financial Statements.
 
                                       18
<PAGE>
QUARTERLY OPERATING RESULTS; SEASONALITY
 
    The following table sets forth selected consolidated unaudited quarterly
financial data for the most recent seven quarters. The quarterly consolidated
financial data was derived from unaudited interim financial statements for those
periods prepared on the same basis as the audited financial statements and, in
the opinion of management of the Company, include all adjustments necessary
(consisting only of normal recurring adjustments) for a fair presentation of
such financial data. Results of any one or more quarters are not necessarily
indicative of results for an entire year or of results to be expected for any
future period. See "Risk Factors."
 
<TABLE>
<CAPTION>
                                                                          THREE MONTHS ENDED
                                          -----------------------------------------------------------------------------------
                                           MAR. 31,     JUNE 30,    SEPT. 30,  DEC. 31,    MAR. 31,     JUNE 30,    SEPT. 30,
                                             1996         1996        1996       1996        1997         1997        1997
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
<S>                                       <C>          <C>          <C>        <C>        <C>          <C>          <C>
Revenues................................   $   4,564    $   4,250   $   6,931  $  15,076   $   6,272    $   7,149   $  10,509
Cost of goods sold......................       2,970        2,615       4,142      9,865       3,786        4,480       6,548
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
  Gross profit..........................       1,594        1,635       2,789      5,211       2,486        2,669       3,961
Operating expenses......................       1,538        1,564       1,930      3,034       2,108        2,244       2,804
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
Income from operations..................          56           71         859      2,177         378          425       1,157
Interest income.........................         106          107         111        142          80           99         105
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
Income before income taxes..............         162          178         970      2,319         458          524       1,262
Provision for income taxes..............          61           67         344        898         169          195         426
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
Net income..............................   $     101    $     111   $     626  $   1,421   $     289    $     329   $     836
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
Net income per share....................   $    0.02    $    0.02   $    0.14  $    0.30   $    0.06    $    0.07   $    0.17
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
Weighted average shares outstanding.....       4,545        4,555       4,589      4,698       4,727        4,762       4,807
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
                                          -----------  -----------  ---------  ---------  -----------  -----------  ---------
</TABLE>
 
AS A PERCENTAGE OF REVENUES:
 
<TABLE>
<CAPTION>
                                                                    THREE MONTHS ENDED
                                        ---------------------------------------------------------------------------
                                        MAR. 31,   JUNE 30,   SEPT. 30,  DEC. 31,   MAR. 31,   JUNE 30,   SEPT. 30,
                                          1996       1996       1996       1996       1997       1997       1997
                                        ---------  ---------  ---------  ---------  ---------  ---------  ---------
<S>                                     <C>        <C>        <C>        <C>        <C>        <C>        <C>
Revenues                                   100.0%     100.0%     100.0%     100.0%     100.0%     100.0%     100.0%
Cost of goods sold                           65.1       61.5       59.8       65.4       60.4       62.7       62.3
                                        ---------  ---------  ---------  ---------  ---------  ---------  ---------
  Gross profit                               34.9       38.5       40.2       34.6       39.6       37.3       37.7
Operating expenses                           33.7       36.8       27.8       20.1       33.6       31.4       26.7
                                        ---------  ---------  ---------  ---------  ---------  ---------  ---------
Income from operations                        1.2        1.7       12.4       14.5        6.0        5.9       11.0
Interest income                               2.3        2.5        1.6        0.9        1.3        1.4        1.0
                                        ---------  ---------  ---------  ---------  ---------  ---------  ---------
Income before income taxes                    3.5        4.2       14.0       15.4        7.3        7.3       12.0
Provision for income taxes                    1.3        1.6        5.0        6.0        2.7        2.7        4.0
                                        ---------  ---------  ---------  ---------  ---------  ---------  ---------
Net income                                   2.2%       2.6%       9.0%       9.4%       4.6%       4.6%       8.0%
                                        ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                        ---------  ---------  ---------  ---------  ---------  ---------  ---------
</TABLE>
 
    The Company may experience significant fluctuations in future operating
results as a result of a number of factors, including, among others, seasonality
in product sales, the size or timing of customer orders, delays in product
enhancements and new product introductions by the Company, quality control
difficulties, market acceptance of new products, product returns, customer order
deferrals in anticipation of new products or enhancements, reduction in demand
for existing products as a result of new product introductions by the Company or
others, and general economic conditions. Any of these factors could cause
quarterly or other periodic results to vary significantly from prior periods.
The Company's customers generally order on an as-needed basis, and the Company
typically does not have a significant order backlog
 
                                       19
<PAGE>
at the beginning of each quarter. Because quarterly revenues are dependent
largely on the volume and timing of orders received during such quarter, which
may be difficult to forecast, and the Company's operating expenses are based in
part on its estimate of future revenues, the Company may be unable to adjust its
spending in a timely manner to compensate for a shortfall in revenues.
 
    The Company's business is seasonal, reflecting traditional retail
seasonality patterns. Such seasonality may be difficult to discern during any
periods of rapid revenue growth; however, the Company believes that sales of its
products will, in general, track sales in the retail PC entertainment industry
in general, which are significantly higher in the fourth calendar quarter of
each year than in the preceding three quarters. Accordingly, management believes
that seasonality will likely contribute to fluctuations in the Company's
quarterly results from year to year.
 
LIQUIDITY AND CAPITAL RESOURCES
 
    The Company has financed its activities to date with a combination of cash
flow from operations, borrowed funds and proceeds from the sale of equity
securities.
 
    The Company has a line of credit pursuant to which it may borrow up to the
lesser of $1.0 million or 75% of eligible receivables. Borrowings are payable on
demand and bear interest at a fluctuating rate equal to the prime rate (8.5% at
November 1, 1997) or a rate based on LIBOR. The Company's bank has increased the
line of credit to $5.0 million through January 31, 1998 to meet the Company's
seasonal working capital needs during the fourth quarter of 1997. The line of
credit is scheduled for review in July 1998 and is secured by substantially all
the Company's assets. The line of credit requires the Company to maintain
certain working capital and debt-to-equity ratios. At November 1, 1997 there
were no borrowings outstanding under the facility and the Company was in
compliance with all loan covenants. The Company expects to borrow approximately
$4.0 million under the line of credit by the end of 1997. Any outstanding
amounts will be repaid with the proceeds of this offering.
 
    Net cash provided by operating activities was $106,000 for the nine months
ended September 30, 1997, resulting primarily from net income of $1,454,000, an
increase in inventories of $1,740,000, and depreciation of $403,000. Cash used
in operations was $941,000 in 1996. Cash provided from operations was $59,000 in
1995 and $1,235,000 in 1994. For the year ended December 31, 1996, increases in
accounts receivable of $6,923,000, inventories of $1,034,000, payables and
accruals of $3,857,000, and a decrease in prepaids and other assets of $286,000
were the primary components of changes in working capital. For the year ended
December 31, 1995, increases in accounts receivable of $784,000, inventories of
$1,572,000, payables and accruals of $325,000, and a decrease in prepaids and
other assets of $346,000 were the primary components of changes in working
capital. For the year ended December 31, 1994, increases in accounts receivable
of $507,000, inventories of $52,000, and prepaids and other assets of $66,000,
and a decrease in accounts payable and accruals of $109,000 were the primary
components of changes in working capital.
 
    At September 30, 1997, the Company had cash and cash equivalents of
$5,376,000 and working capital of $15,642,000.
 
    Capital expenditures for the nine months ended September 30, 1997 and for
the years ended December 31, 1996, 1995 and 1994 were $1,200,000, $789,000,
$753,000 and $493,000, respectively. Capital expenditures for the nine months
ended September 30, 1997 and for the year ended December 31, 1996 were primarily
for new product tooling, manufacturing equipment and computer equipment.
 
    The Company does not intend to pay cash dividends to the holders of Common
Stock and intends to retain future earnings to finance the expansion and
development of its business.
 
    Although no current understandings or negotiations exist with respect
thereto, the Company may in the future enter into joint ventures or make
acquisitions in connection with the development and
 
                                       20
<PAGE>
marketing of its products, and may require additional funds in connection
therewith, depending upon the circumstances.
 
    The Company is reviewing its computer systems in order to evaluate necessary
modifications for the year 2000. The Company does not anticipate that it will
incur material expenditures to complete any such modifications.
 
    The Company believes that available funds and expected cash flow to be
generated from operations, together with the proceeds from this offering and any
borrowings under its line of credit will be adequate to meet the Company's
anticipated cash needs through the end of 1998. If the cash flow from such
sources is insufficient, if the Company makes acquisitions or enters into joint
ventures, or if working capital requirements are greater than anticipated, the
Company could be required to raise additional funds. If the Company has
insufficient funds for its needs, the Company may not be able to raise
additional funds on favorable terms, if at all, or may not be able to do so on a
timely basis.
 
                                       21
<PAGE>
                                    BUSINESS
 
GENERAL
 
    ThrustMaster designs, develops, manufactures and markets a diversified line
of innovative and technologically advanced game controllers for the home
personal computer market. The Company has established ThrustMaster as a brand
name recognized for quality, value, durability and ease of use. ThrustMaster
products appeal to a wide variety of PC users, from occasional game players to
avid enthusiasts. The Company's product offerings include racing wheels,
joysticks, gamepads and flight simulation controllers. All ThrustMaster products
are designed to enhance the user's enjoyment of the PC entertainment experience.
From 1992 to 1996, the Company's annual revenue increased from $2.1 million to
$30.8 million and annual net income increased from $0.4 million to $2.3 million.
For the nine months ended September 30, 1997 compared to the nine months ended
September 30, 1996, revenues increased 52% to $23.9 million and net income
increased 74% to $1.5 million.
 
    The Company's products are principally sold through retail outlets that
purchase the products either directly from the Company or through third-party
distributors. ThrustMaster products are available in over 5,000 retail outlets
in North America and Europe, including Babbage's, Etc.; Best Buy Co., Inc.;
Circuit City Stores, Inc.; CompUSA; Computer City Supercenter; The Electronic
Boutique, Inc. and Sam's Club. ThrustMaster products are currently distributed
in over 50 countries through international distributors and through the
Company's own direct sales efforts in the United States, United Kingdom and
Germany.
 
    The Company believes that its emphasis on innovation and product development
has allowed it to develop relationships with many leading publishers of
entertainment software titles. Through these relationships, the Company obtains
favorable pricing on popular entertainment software titles to be included in
special bundles sold into retail outlets. The Company has established "bundling"
and cooperative marketing relationships with leading entertainment software
publishers, including: Electronic Arts Inc., Activision, Inc., Sierra On-Line,
Inc., GT Interactive Software Corp. and Virgin Interactive Entertainment, Inc.
The Company also utilizes recognized brand names, such as NASCAR, TOP GUN and
NASA, to differentiate its products and enhance consumer appeal.
 
INDUSTRY BACKGROUND
 
    Over the last several years significant technological advances in home PCs,
such as improvements in processor speeds and graphical capabilities, have
enabled software developers to create increasingly sophisticated entertainment
programs with real-time interaction that offer greater realism and excitement.
Today's PCs generally include hardware enhancements such as CD-ROM, 3-D graphics
accelerators and high-definition sound capabilities. As high-performance PCs
have become more affordable, the installed base of home PCs has steadily
increased, and as a result, the home PC has become a viable entertainment
platform. According to a study by COMPUTER RETAIL WEEK, 77% of home PCs are used
to play computer games. Industry analysts expect significant growth in sales of
both home PCs and entertainment software titles. The Company believes that sales
of game controllers are directly correlated with sales of home PCs
and home entertainment software titles.
 
                                       22
<PAGE>
    According to IDC/Link, an industry research firm, the installed base of home
PCs in the United States will reach 50 million units by the end of 1997, and
will further increase to 70 million units by 2001. Shipments of new home PCs are
projected to increase from 10.4 million units in 1996 to 18.7 million units in
2001, representing a five-year compound annual growth rate of approximately 12%,
as illustrated below.
 
                                    [LOGO]
 
    The home PC entertainment software industry is also expected to continue its
strong growth trends. Sales of entertainment software titles in the United
States are projected to increase to more than $2.0 billion in 1997, a 23.1%
increase from 1996, and will exceed $3.5 billion by 2001. Unit shipments of
software titles are projected to grow from 48 million in 1996 to over 126
million in 2001, at a compound annual growth rate of approximately 21%, as
illustrated below.
 
                                    [LOGO]
 
BUSINESS STRATEGY
 
    The Company's objective is to be a leading provider of controllers to the
interactive electronic entertainment industry. In order to achieve this
objective, the Company's business strategy is to:
 
    - MARKET HIGH QUALITY CONTROLLERS THAT PROVIDE HIGH QUALITY, VALUE AND
      DURABILITY. The Company offers products that enhance the PC entertainment
      experience. These products are designed to be easy to install, intuitive
      to use, ergonomically comfortable and aesthetically pleasing. ThrustMaster
      products are competitively priced and built for intense and prolonged use.
 
    - LEVERAGE POPULAR GAME TITLES AND BRANDS TO INCREASE PRODUCT DEMAND. The
      Company establishes cooperative working relationships with leading
      software publishers. These relationships create demand for the Company's
      products through cross promotions and the bundling of value-added
 
                                       23
<PAGE>
      game software. The Company also utilizes recognized brand names such as
      NASCAR, TOP GUN and NASA to differentiate its products in the retail
      channel and enhance consumer appeal.
 
    - FOSTER STRATEGIC RELATIONSHIPS WITH HARDWARE MANUFACTURERS. The Company
      works closely with hardware manufacturers to gain early access to
      technology to improve its products and competitive position. These
      relationships also help the Company to create retail, VAR and OEM
      opportunities.
 
    - DEVELOP AND INTRODUCE INNOVATIVE PRODUCTS. In order to maintain its
      position as an industry leader, the Company invests in an aggressive
      product development program. The Company's research and engineering group
      focuses on incorporating emerging technologies and reusable solutions into
      its products.
 
    - PURSUE STRATEGIC ACQUISITIONS OF COMPLEMENTARY PRODUCTS OR BUSINESSES. The
      Company regularly assesses, and will continue to assess, strategic
      acquisition opportunities that will (i) provide the Company with expertise
      in new technologies; (ii) expand the Company's brands, products and
      product lines; and (iii) leverage the Company's manufacturing operations
      and distribution channels.
 
PRODUCTS
 
    The Company's current product offerings include racing wheels, joysticks,
gamepads and flight simulation controllers. The Company closely monitors trends
and consumer preferences in the PC entertainment software market. The Company
has responded by providing a broad line of competitively priced products at
various price points. The Company has positioned ThrustMaster as a brand name
recognized for quality, value, durability and ease of use.
 
                             [PICTURES OF PRODUCTS]
 
    RACING WHEELS.
 
    The Company's introduction in 1994 of its Formula T1 driving control,
consisting of a racing wheel, console, and brake and accelerator pedals, helped
create the racing wheel PC entertainment market. The Company later introduced
the Formula T2 (suggested retail price of $99.95) and the Grand Prix 1 Racing
Wheel (suggested retail price of $59.95). The Company currently dominates the
racing wheel market. As software developers continue to introduce new software
titles devoted to racing, driving and touring, the Company continues to pursue
new opportunities in this market segment.
 
    After signing a licensing agreement with NASCAR, the foremost sanctioning
body of stock car racing in North America, the Company introduced the NASCAR Pro
Racing Wheel (suggested retail price of $139.95) in mid-1997. NASCAR racing is
currently one of the fastest growing spectator sports in the United States,
attracting 10.5 million visitors and 150 million television viewers each year,
according to NASCAR. In Europe, a version of this product is marketed as the
Formula 1 Racing Wheel. The Company holds a license from Formula One
Administration Limited, a leader in European motor sports, to use the "Formula
1" name and logo for its racing wheels.
 
                                       24
<PAGE>
                             [PICTURES OF PRODUCTS]
 
    JOYSTICKS.
 
    The Company offers a line of joysticks priced to appeal to different
consumers in the PC entertainment market. The Company's joysticks offer a rich
set of features that enhance the combat experience found in today's action and
adventure games. These products include the TOP GUN joystick (suggested retail
price of $39.95), the X-Fighter joystick (suggested retail price of $44.95),
which offers a larger size and a heavier base, and the Millennium 3D Inceptor
(suggested retail price of $69.95), introduced during the third quarter of 1997.
The Millennium 3D Inceptor is modeled after the hand controller found in the
NASA Space Shuttle. This unique product provides a complete 3D game control
system, with throttle, programmable buttons and three axes of movement.
 
                             [PICTURES OF PRODUCTS]
 
    GAMEPADS.
 
    In October 1997, the Company began shipping the RAGE 3D gamepad (suggested
retail price of $39.95) to address demand created by the popularity of action
and multi-player PC software titles. The RAGE 3D gamepad combines ergonomic
design, sophisticated technology and a variety of programmable buttons and
triggers to offer users maximum control in action, adventure and sports PC
games. The Company believes that the gamepad market presents significant growth
opportunities.
 
                             [PICTURES OF PRODUCTS]
 
    FLIGHT SIMULATION CONTROLLERS.
 
    The Company manufacturers a broad line of award-winning flight products
designed to simulate the equipment found in high-performance aircraft, including
flight sticks, throttle controls and rudder pedals. These products, the
Company's initial offerings, established the ThrustMaster name for realism and
quality and offer flight simulation enthusiasts a realistic PC interactive
flight control system. Although these products historically have been sold
separately in the high-end market, the Company is in the process of introducing
a complete, lower-priced flight system targeted to reach the mass market.
 
PRODUCT DEVELOPMENT
 
    The Company currently employs 24 full-time engineers, and supplements its
product development capabilities by contracting with a leading industrial design
firm. The Company devotes significant resources to product enhancements and new
product development. During 1994, 1995, 1996 and the nine months ended September
30, 1997, the Company's research and engineering expenses were $1,115,000,
$1,845,000, $2,105,000 and $1,807,000, respectively.
 
    In 1997, the Company began shipping products incorporating its proprietary
"DirectConnect" technology. This technology broadens communications bandwidth
and enables multi-player use without
 
                                       25
<PAGE>
degradation of performance. In addition, the Company's Windows 95 software
interface simplifies the connection and configuration of controllers, creating a
more intuitive environment.
 
    During 1997, PC manufacturers began shipping computers equipped with the
Universal Serial Bus ("USB") technology, a "plug-and-play" capability. USB
provides over 10 times the throughput of a standard serial port. The 1998 update
of Microsoft's Windows operating system is expected to provide general access to
the benefits of USB technology. ThrustMaster initially began shipping
USB-enabled controllers to hardware developers in 1996 and shipped a small
volume of such controllers to its OEM customers in 1997.
 
    The Company is also exploring the use of wireless technologies for use with
its controllers. ThrustMaster, in joint development with Philips, has been
actively developing the protocol necessary to permit the simultaneous wireless
use of multiple devices with a PC.
 
    ThrustMaster plans to incorporate force-feedback technology in its future
products. Force-feedback technology combines software and hardware elements to
create a greater sense of realism during game play. For example, a steering
wheel could become less reactive when a player's car drives over ice, or vibrate
when crossing rough terrain. The Company believes that this technology will
significantly enhance the PC gaming experience.
 
MANUFACTURING
 
    Over the past three years, ThrustMaster has moved virtually all
manufacturing operations off-shore on a contract basis in an effort to obtain
manufacturing cost efficiencies and has continued to gain experience and
confidence in off-shore manufacturing. For the nine months ended September 30,
1997, approximately 90% of the Company's products were manufactured through a
single vendor utilizing factories located in Taiwan and the Guangdong province
of China. Manufacturing by such vendor at one factory accounted for more than
half of the Company's production. The Company plans to continue to manufacture
its products off-shore and plans to expand its relationships with other
manufacturers. The Company actively seeks to control the quality of its products
manufactured off-shore and has dedicated resources to manage off-shore traffic,
technology transfers and communications. The Company believes that the
manufacturing resources available to it are adequate to meet current and
foreseeable demand for its products. See "Risk Factors--Offshore Manufacturing;
Dependence on Manufacturing Contractors."
 
SALES, DISTRIBUTION AND MARKETING
 
    The Company's products are principally sold directly through retail outlets
that purchase the products directly from the Company or through third-party
distributors. Thrustmaster products are available in over 5,000 retail outlets
in North America and Europe. Major customers in North America include:
 
<TABLE>
<CAPTION>
Babbage's Etc.                     Costco Wholesale
<S>                                <C>
Best Buy Co., Inc.                 Electronic Boutique, Inc.
Circuit City Stores, Inc.          Future Shop, Inc.
CompUSA                            Sam's Club
Computer City Supercenter
</TABLE>
 
    ThrustMaster products are distributed in over 50 countries through
international distributors of computer and consumer electronic products. The
Company maintains its European office in the United Kingdom. The European
operation is directed by a general manager who oversees marketing, customer
support, sales, warehousing and distribution.
 
    In addition to retail outlets, the Company has recently begun to actively
pursue business through OEM arrangements. The Company has sold its products on
an OEM basis to Compaq Computer Corp., NEC, Micron Electronics, Inc. and Sierra
On-Line, Inc. Although OEM sales currently account for a
 
                                       26
<PAGE>
relatively minor portion of the Company's revenues, management believes that
these sales will account for an increasing percentage of its revenues in the
future.
 
    Working with leading software publishers, such as Electronic Arts, Inc.,
Activision, Inc., Sierra On-Line, Inc., GT Interactive Software Corp. and Virgin
Interactive Entertainment, Inc., the Company often bundles its game controllers
with popular software titles. These bundling arrangements enable the Company to
deliver increased value to consumers and to differentiate its products from
competing products. The Company offers a variety of bundled game controller
packages which allow for differentiation among retailers that carry the
Company's products. The Company also utilizes recognized brand names, such as
NASCAR, TOP GUN and NASA, to enhance consumer appeal.
 
    The Company anticipates that a significant portion of its revenues will
continue to be derived from a limited number of key customers. For the nine
months ended September 1997, Sam's Club and Best Buy Co., Inc. accounted for an
aggregate of approximately 28% of the Company's revenue. See "Risk Factors--
Customer Concentration."
 
CUSTOMER SERVICE
 
    Management believes that its commitment to provide high-quality customer
service is a key factor in its success and has increased the brand loyalty of
its customers. The Company provides free technical support to the end users of
its products by telephone, the Internet and through bulletin boards on many of
the major computer on-line network services. The Company uses customer feedback
as a source of ideas for product improvements and enhancements. ThrustMaster
products are covered by a one-year warranty against defects.
 
COMPETITION
 
    The markets in which the Company participates are highly competitive, and
the Company expects that it will face increased competition in the future. The
Company's principal competitors include Microsoft Corporation, Advanced Gravis
Computer Technology Ltd., CH Products, Logitech International S.A. and InterAct
Accessories, many of which have substantially greater financial, technical and
marketing resources than the Company.
 
    The Company believes that the principal competitive factors in the market
for PC game controllers include price, quality, product features, ease of use,
durability, reputation and compatibility with computer games. Increased
competition has in the past created, and may in the future create, margin
pressures. The Company believes that its future growth will depend principally
on its ability to develop and introduce competitively priced new products with
features that are attractive to PC games users. See "Risk Factors-- Risks of
Competition."
 
INTELLECTUAL PROPERTY
 
    The Company regards certain aspects of its products as proprietary and
relies on a combination of copyright and trademark laws, patents, trade secrets,
confidentiality procedures and contractual provisions to protect its proprietary
rights. The Company holds utility patents and design patents and has filed
additional patent applications covering certain aspects of the Company's
proprietary technology. The issued patents, expire during the period from
October 2006 to September 2015. There can be no assurance that any patent
applications will result in issued patents, or that any patents now or hereafter
issued will not be challenged, invalidated or circumvented by others. There can
be no assurance that these patents will not be found to be invalid, or
non-infringed in judicial or administrative proceedings, should a dispute arise.
Although the Company believes that its products, processes and trademarks do not
infringe on the rights of others, third parties may assert infringement or other
related claims against the Company in the future. Any infringement claim or
related litigation against the Company, or any challenge to the validity of the
Company's own intellectual property rights, and the expense and effort of
defending the same, could
 
                                       27
<PAGE>
materially and adversely affect the Company's business, financial conditions and
results of operations. See "Risk Factors--Potential Inability to Protect
Intellectual Property Rights."
 
    The Company believes that obtaining patent protection may provide some
benefits to the Company, but that product development and marketing capabilities
are of greater importance to the Company's business than patent protection. The
Company does not believe that its business is dependent on obtaining patent
protection or successfully defending any patents that may be obtained against
infringement by others.
 
    The continuing development of the Company's technology is dependent, in
part, on the knowledge and skills of its employees. To protect its rights to its
proprietary information, the Company requires key employees, consultants and
collaborators to enter into confidentiality agreements which prohibit the
disclosure of confidential information to persons unaffiliated with the Company.
These agreements may not provide meaningful protection for the Company's
technology or other confidential information in the event of any unauthorized
use, misappropriation or disclosure.
 
    The Company has obtained several trademark registrations, including
"ThrustMaster," "Thrustware," "X-Fighter," "FLCS" and "FORMULA T1." Trademark
applications are pending in the United States with respect to other trade names
used by the Company, however, such applications may not result in trademark
registrations.
 
GOVERNMENT REGULATION
 
    The Federal Communications Commission (the "FCC") regulates the emission of
radio frequency energy by various devices, including computers and computer
peripherals, under Part 15 of its rules promulgated pursuant to the Federal
Communications Act of 1934, as amended. Certain of the Company's products emit
radio frequency energy and are subject to authorization and assignment of an
identifier by the FCC prior to the sale of the devices. Government agencies in
certain foreign countries have also established rules which regulate the
electronic emissions of the Company's products. The Company believes that it has
complied with the requirements of the FCC and foreign governmental regulations
in countries where its products are sold in respect of its current products and
has instituted procedures to monitor compliance with respect to future products.
 
EMPLOYEES
 
    As of November 1, 1997, the Company had a total of 115 full-time employees.
At times the Company supplements its workforce with temporary contract workers.
None of the Company's employees are represented by a labor union. The Company
has not experienced any work stoppages and considers its relations with its
employees to be good.
 
FACILITIES
 
    The Company is headquartered in Hillsboro, Oregon, in approximately 60,000
square feet of leased space under two leases expiring in September 2003. The
Company's sales and distribution facility in Surrey, England, occupies
approximately 16,000 square feet of space under a lease expiring in September
2007. The Company believes that these facilities are adequate for its
immediately foreseeable needs and that suitable additional or alternative space
will be available on commercially reasonable terms if needed.
 
LEGAL PROCEEDINGS
 
    From time to time the Company has been, and expects to continue to be,
subject to legal proceedings and claims in the ordinary course of its business.
Such claims, even if lacking merit, could result in the expenditure of
significant financial and managerial resources. The Company is not currently a
party to, nor is it aware of, any legal proceeding or claims that it believes
will have, individually or in the aggregate, a material adverse effect on the
Company or on its financial condition or results of operations.
 
                                       28
<PAGE>
                                   MANAGEMENT
 
EXECUTIVE OFFICERS AND DIRECTORS
 
    Information with respect to the Company's executive officers and directors
is set forth below.
 
<TABLE>
<CAPTION>
NAME                                                       AGE                            POSITION
- -----------------------------------------------------  -----------  -----------------------------------------------------
<S>                                                    <C>          <C>
 
Stephen A. Aanderud(1)...............................      48       President, Chief Executive Officer and
                                                                    Director
 
David K. Bergeson....................................      38       Vice President, Sales
 
Frank M. Bouton......................................      53       Vice President, New Technologies
 
G. Edward Brightman..................................      40       Vice President, Operations
 
Kent E. Koski........................................      53       Vice President, Finance and
                                                                    Administration, Chief Financial Officer
                                                                    and Secretary
 
Robert D. Martin.....................................      59       Vice President, Development
 
Ronald J. Resnick....................................      49       Vice President, Marketing
 
C. Norman Winningstad(1).............................      72       Chairman of the Board
 
Robert L. Carter(2)..................................      55       Director
 
Graham E. Dorland(3).................................      55       Director
 
General Merrill A. McPeak(1).........................      61       Director
 
G. Gerald Pratt(2)...................................      69       Director
 
Milton R. Smith(2)...................................      62       Director
 
Frederick M. Stevens(3)..............................      61       Director
</TABLE>
 
- ------------------------
 
(1) Term on Board expires in 1999.
 
(2) Term on Board expires in 1998.
 
(3) Term on Board expires in 2000.
 
    STEPHEN A. AANDERUD became a member of the Board of Directors in August
1994. He has been employed by the Company since January 1993, serving as
President and Chief Executive Officer since May 1994 and as Vice President of
Finance and Administration prior to that time. From October 1991 to December
1992, he was the Director of Finance of Cray Research Superservers, Inc., a
wholly-owned subsidiary of Cray Research. He is a Certified Public Accountant
and received a B.S. degree in business from Portland State University.
 
    DAVID K. BERGESON has been employed by the Company since May of 1997 as Vice
President, Sales. Prior to joining the Company, he was National Sales Manager at
Creative Labs from August 1995 to April 1997. Mr. Bergeson has held senior sales
positions in the retail computer industry over the past 12 years. Mr. Bergeson
started in the computer industry with Epson America. He later joined NEC
Technologies as a Regional Director from October 1989 through October 1991. Mr.
Bergeson co-founded Personal Computer Solutions in 1991, where he served as Vice
President of Sales and Marketing until June 1994.
 
    FRANK M. BOUTON joined the Company in June 1992, having previously consulted
with Robert L. Carter on the development of the Company's original products. He
has been Vice President, New Technologies, since January 1996. From October 1992
to January 1996, he was Vice President, Engineering. From
 
                                       29
<PAGE>
January 1987 to June 1992, Mr. Bouton was the president and owner of THECO
Logic, Inc., a designer and manufacturer of hardware and software products for
the medical field.
 
    G. EDWARD BRIGHTMAN has been employed by the Company since August 1992 and
became Vice President, Operations, in October 1992. He has 14 years of
experience in manufacturing and operation management. From October 1983 to
August 1992, Mr. Brightman worked for Toyota Motor Sales, Toyota Motor
Manufacturing and Vehicle Processors Inc. in management positions at several
assembly plants and import facilities.
 
    KENT E. KOSKI has been employed by the Company since May 1995 as Vice
President, Finance and Administration, Chief Financial Officer, and Secretary.
For the five years prior to joining the Company, he was the Vice President of
Finance for Avia Group International, Inc., an athletic footwear and apparel
design and distribution company. Mr. Koski is a Certified Public Accountant and
received B.S. and M.B.A. degrees from the University of Utah.
 
    ROBERT D. MARTIN has been employed by the Company since November 1994 and
became Vice President, Strategic Planning, in January 1996, and Vice President,
Development, in May 1997. Immediately prior to joining the Company he was a
private consultant and in that capacity assisted the Company with the
procurement of government contracts. Mr. Martin was a regional and line of
business manager for National System & Research Company from May 1990 until
December 1992. He has over 20 years of experience in senior management with
medical electronics, systems integration and software development companies.
 
    RONALD J. RESNICK has been employed by the Company since May 1996 as Vice
President, Marketing. Prior to joining the Company, he was a marketing
consultant from August 1995 until April 1996. From April 1994 through July 1995,
Mr. Resnick was the Vice President and Publisher at Infotainment World, Inc., a
book and magazine publishing company. He was Vice President, Business
Development at Prima Publishing, a book publishing company, from March 1992
until March 1994, and Product Marketing Manager at Software Toolworks, Inc., an
entertainment software publishing company, from July 1990 to December 1991. Mr.
Resnick has a B.S. degree in electrical engineering from Rutgers University.
 
    C. NORMAN WINNINGSTAD has served as Chairman of the Board since February
1994. He has served as a director of the Company since its inception. From 1970
to October 1991, Mr. Winningstad held at various times the positions of Chairman
of the Board, Vice-Chairman, President and Chief Executive Officer of Floating
Point Systems, Inc., a manufacturer of scientific computers. Mr. Winningstad has
a B.S. in Electrical Engineering from the University of California at Berkeley,
an M.B.A. degree from Portland State University, and an Honorary Doctorate of
Law degree from Pacific University.
 
    ROBERT L. CARTER has been a director of the Company since 1990, and is a
former Chairman, President and Chief Executive Officer of the Company. Mr.
Carter was the Company's first full-time employee and played a key role in the
early design and development of certain ThrustMaster products. He has been the
President and Chief Executive Officer of Military Simulations, Inc., a publisher
of entertainment software, since December, 1993. He received a B.S.M.E. degree
from the University of Missouri.
 
    GRAHAM E. DORLAND became a member of the Board of Directors in November
1993. Mr. Dorland is President of Dorland and Associates, a consulting group,
and President and Chief Executive Officer of Nautamatic Marine Systems, Inc., a
manufacturer of marine autopilots located in Newport, Oregon. From June 1993 to
January 1995, he was Managing Partner of Snobird Aircraft Partners, a developer
of experimental aircraft. From May 1982 to December 1992, Mr. Dorland was
Chairman and President of ABX Air Inc., the wholly-owned airline subsidiary of
Airborne Freight Corporation, doing business as Airborne Express.
 
    GENERAL MERRILL A. MCPEAK became a member of the Board of Directors in March
1996. He has been the President of McPeak and Associates, an international
aerospace consulting firm, since January 1995. General McPeak spent 37 years in
the United States Air Force, rising to become Chief of Staff from
 
                                       30
<PAGE>
October 1990 to October 1994, when he retired. He also is a member of the Boards
of Directors of Tektronix, Inc., Praegitzer Industries, Inc., TWA, Inc. and ECC
International Corp., where he serves as Chairman of the Board. He holds a B.A.
degree in economics from San Diego State University and an M.S. degree in
international relations from George Washington University.
 
    G. GERALD PRATT has been a director of the Company since its inception.
Since 1980, Mr. Pratt has been a private venture capitalist. Mr. Pratt has been
a trustee of the Meyer Memorial Trust, a charitable trust, since 1978.
 
    MILTON R. SMITH has been a director of the Company since its inception. Mr.
Smith served as the Company's President from October 1992 until May 1994 and as
the Company's Secretary from July 1990 until April 1993 and again from December
1994 until May 1995. Since April 1997, Mr. Smith has been a member of the Board
of Directors of Integrated Measurement Systems, Inc., a manufacturer of high
performance engineering test stations. Mr. Smith was the President and Chief
Executive Officer of Zeelan Technology, Inc., a software engineering company,
from October 1994 until April 1995. Since May 1995, Mr. Smith has been a private
venture capitalist. He recently completed terms as a member of the national
Board of Directors and as Chairman of the Oregon Council of the American
Electronics Association. He received a B.S. degree in physics from Portland
State University, an M.S.E.E. degree from Oregon State University, and a J.D.
degree from Lewis and Clark College.
 
    FREDERICK M. STEVENS became a member of the Board of Directors in December
1993. From April 1988 until his retirement in January 1991, Mr. Stevens was the
Chairman of the Board and Chief Executive Officer of Fred Meyer, Inc., a
regional retailer in the Northwest.
 
    There are no arrangements or understandings pursuant to which any person has
been elected as a director or appointed as an executive officer of the Company.
The Company has no employment contracts with any of its executive officers.
 
NUMBER, TERM AND ELECTION OF DIRECTORS
 
    The Company's Amended and Restated Bylaws currently provide for a Board of
Directors consisting of eight directors. The Board is divided into three
classes. At each annual meeting of the Company's shareholders, directors are
elected to succeed the directors in the class whose terms are then expiring.
Directors hold office until the third annual shareholders meeting after their
election and until their successors are elected and qualified. Officers are
appointed by the Board of Directors and serve at its discretion.
 
BOARD COMMITTEES
 
    The Board of Directors has two standing committees, an Audit Committee and a
Compensation Committee. The Audit Committee, which currently consists of Messrs.
Dorland, Pratt and Smith, meets with the Company's Chief Executive Officer,
Chief Financial Officer and the Company's independent public accountants to
review the scope and findings of the annual audit.
 
    The Compensation Committee currently consists of Messrs. Carter, McPeak,
Stevens and Winningstad. The Compensation Committee considers and acts upon
management's recommendations to the Board of Directors regarding salaries,
bonuses, stock options and other forms of compensation for the Company's
executive officers. The Committee makes recommendations to the Board of
Directors. Executive officers who are also directors of the Company do not
participate in decisions affecting their own compensation.
 
COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION
 
    Mr. Carter, a member of the Compensation Committee, is a former Chairman,
President and Chief Executive Officer of the Company. From December 1993 until
February 1996, the Company made certain
 
                                       31
<PAGE>
payments pursuant to a consulting agreement with BOCAR, Inc., a company of which
Mr. Carter is the President and its sole shareholder. See "Certain
Transactions."
 
DIRECTOR COMPENSATION
 
    Each non-employee director receives an annual fee of $3,000 and $250 for
each Board meeting and committee meeting attended, unless the committee meeting
is held on the same day as the Board meeting. Non-employee directors are also
eligible to receive stock options under the Directors' Nonqualified Stock Option
Plan. Upon becoming a director, each non-employee director received options to
purchase 16,480 shares of Common Stock under such plan. In 1996 and 1997, each
non-employee director who had been a director for more than one year received
options to purchase 4,120 shares of Common Stock at a price equal to the fair
market value on the date of grant. No employee director receives additional
compensation for his service as a director. See "--Incentive Compensation and
Benefit Plans."
 
LIMITATION OF LIABILITY; INDEMNIFICATION
 
    The Company's Articles of Incorporation, as amended, limit the liability of
the Company's directors to the Company and its shareholders for monetary damages
for certain conduct as directors. The Company's Amended and Restated Bylaws
provide that the Company shall indemnify its directors and officers, to the
fullest extent permissible under Oregon law, against any damages arising out of
their actions as directors or officers of the Company. Additionally, the Company
has obtained director and officer liability insurance with respect to
liabilities arising out of certain matters, including matters arising under the
Securities Act. At present, there is no pending litigation or proceeding
involving any director or officer where indemnification will be required or
permitted. The Company is not aware of any threatened litigation or proceeding
which may result in a claim for such indemnification.
 
                                       32
<PAGE>
EXECUTIVE COMPENSATION
 
    The following table sets forth the compensation paid by the Company for the
last three fiscal years to the Company's Chief Executive Officer and the other
four most highly compensated executive officers of the Company for 1996
(collectively, the "Named Executive Officers").
 
                           SUMMARY COMPENSATION TABLE
 
<TABLE>
<CAPTION>
                                                                                      LONG-TERM
                                                                                 COMPENSATION AWARDS
                                                          ANNUAL COMPENSATION    -------------------
NAME AND                                                -----------------------      SECURITIES           ALL OTHER
PRINCIPAL POSITION                             YEAR       SALARY     BONUS (1)   UNDERLYING OPTIONS   COMPENSATION (2)
- -------------------------------------------  ---------  ----------  -----------  -------------------  -----------------
<S>                                          <C>        <C>         <C>          <C>                  <C>
Stephen A. Aanderud........................       1996  $  135,000   $  65,299           25,750(3)        $   2,250
  PRESIDENT AND CEO                               1995     120,000      20,160           10,300               1,650
                                                  1994      81,747      19,130           16,480              --
 
Robert D. Martin (4).......................       1996      90,000      38,591           48,925(3)            1,209
  VICE PRESIDENT,                                 1995      55,208       2,650            3,605                 448
  DEVELOPMENT                                     1994       6,442         481           --                  --
 
G. Edward Brightman........................       1996      90,000      32,445           18,540(3)              988
  VICE PRESIDENT,                                 1995      80,000       9,600           10,300               1,100
  OPERATIONS                                      1994      66,000      15,444           --
 
Frank M. Bouton............................       1996      85,000      36,770           16,480(3)              970
  VICE PRESIDENT,                                 1995      80,000      11,520            6,180               1,100
  NEW TECHNOLOGIES                                1994      66,000      15,444           --                  --
 
Kent E. Koski (5)..........................       1996      90,000      25,956           49,440(3)            1,424
  VICE PRESIDENT, FINANCE                         1995      51,846       4,977           41,200              --
  AND ADMINISTRATION,
  CFO, SECRETARY
</TABLE>
 
- ------------------------
 
(1) Cash bonuses are paid to executive officers of the Company based upon their
    individual contributions to the Company and the Company's overall
    performance. Bonuses for a given year are paid in the first quarter of the
    following year. See "--Incentive Compensation and Benefit Plans."
 
(2) Consists of the Company's matching contributions under its 401(k) plan. See
    "--Incentive Compensation and Benefit Plans."
 
(3) Includes replacement options granted upon surrender of options granted in
    1995. See "--Repricing of Options."
 
(4) Mr. Martin joined the Company in November 1994.
 
(5) Mr. Koski joined the Company in May 1995.
 
                                       33
<PAGE>
                                 OPTION GRANTS
 
    The following table sets forth information with respect to grants of stock
options to the Named Executive Officers during 1996.
 
<TABLE>
<CAPTION>
                                                                                                 POTENTIAL REALIZABLE
                                                                                                   VALUE AT ASSUMED
                                                                                                        ANNUAL
                                                                                                 RATES OF STOCK PRICE
                                         NUMBER OF     PERCENT OF                                  APPRECIATION FOR
                                          SHARES      TOTAL OPTIONS                                     OPTION
                                        UNDERLYING     GRANTED TO      EXERCISE                        TERM (3)
                                          OPTIONS     EMPLOYEES IN     PRICE PER   EXPIRATION   ----------------------
NAME                                    GRANTED (1)       YEAR         SHARE (2)      DATE          5%         10%
- --------------------------------------  -----------  ---------------  -----------  -----------  ----------  ----------
<S>                                     <C>          <C>              <C>          <C>          <C>         <C>
Stephen A. Aanderud...................      10,300(4)          3.5%    $   4.733      2/13/06   $   30,659  $   77,695
                                            15,450            5.2          5.340      5/21/06       51,884     131,484
 
Robert D. Martin......................       3,605(4)          1.2         4.733      2/13/06       10,731      27,193
                                            41,200           13.8          5.097      4/25/06      132,068     334,686
                                             4,120            1.4          5.340      5/21/06       13,836      35,062
 
G. Edward Brightman...................      10,300(4)          3.5         4.733      2/13/06       30,659      77,695
                                             8,240            2.8          5.340      5/21/06       27,671      70,125
 
Frank M. Bouton.......................       6,180(4)          2.1         4.733      2/13/06       18,395      46,617
                                            10,300            3.5          5.340      5/21/06       34,589      87,656
 
Kent E. Koski.........................      41,200(4)         13.8         4.733      2/13/06      122,634     310,780
                                             8,240            2.8          5.340      5/21/06       27,671      70,125
</TABLE>
 
- ------------------------
 
(1) Options may terminate before their expiration dates if the optionee's status
    as an employee or director is terminated. One-fourth of the shares of Common
    Stock covered by each option grant vests and becomes exercisable on each of
    the first four anniversaries of the grant date.
 
(2) Based on the closing prices of the Common Stock as reported on the Nasdaq
    National Market on the respective grant dates.
 
(3) This column shows the hypothetical gains or option spreads of the options
    granted based on assumed annual compound stock appreciation rates of 5% and
    10% over the full 10-year term of the options. The assumed rates of
    appreciation are mandated by the rules of the Securities and Exchange
    Commission and do not represent the Company's estimate or projection of
    future Common Stock prices.
 
(4) Replacement options granted upon cancellation of options granted in 1995.
    See "--Repricing of Options."
 
                                       34
<PAGE>
             AGGREGATE OPTION EXERCISES AND YEAR-END OPTION VALUES
 
    The following table sets forth certain information regarding the year-end
value of options held by the Named Executive Officers. No options were exercised
by the Named Executive Officers during 1996.
 
<TABLE>
<CAPTION>
                                                             NUMBER OF SHARES SUBJECT      VALUE OF UNEXERCISED
                                                            TO UNEXERCISED OPTIONS AT    IN-THE- MONEY OPTIONS AT
                                                                DECEMBER 31, 1996         DECEMBER 31, 1996 (1)
                                                            --------------------------  --------------------------
NAME                                                        EXERCISABLE  UNEXERCISABLE  EXERCISABLE  UNEXERCISABLE
- ----------------------------------------------------------  -----------  -------------  -----------  -------------
<S>                                                         <C>          <C>            <C>          <C>
Stephen A. Aanderud.......................................      98,880        25,750     $ 661,500    $    59,375
 
Robert D. Martin..........................................      --            48,925        --            113,125
 
G. Edward Brightman.......................................      57,680        18,540       404,250         44,500
 
Frank M. Bouton...........................................      --            16,480        --             37,750
 
Kent E. Koski.............................................      --            49,440        --            127,000
</TABLE>
 
- ------------------------
 
(1) Calculated based on the difference between the option exercise price and the
    closing price of the Common Stock on December 31, 1996 ($7.625 per share).
    The potential values have not been, and may never be, realized. The
    underlying options have not been, and may never be, exercised. Actual gains,
    if any, on exercise will depend on the value of the Common Stock on the date
    of exercise.
 
                              REPRICING OF OPTIONS
 
    On February 13, 1996, the Board of Directors canceled certain options issued
in 1995 and granted replacement options. The following table sets forth
information with respect to cancellations and replacement grants of stock
options to all executive officers since the Company's inception.
 
<TABLE>
<CAPTION>
                                                                                                             LENGTH OF
                                                       NUMBER OF     MARKET                                  ORIGINAL
                                                      SECURITIES    PRICE OF     EXERCISE                   OPTION TERM
                                                      UNDERLYING    STOCK AT     PRICE AT        NEW       REMAINING AT
                                                        OPTIONS      TIME OF      TIME OF     EXERCISE        DATE OF
NAME                                         DATE      REPRICED     REPRICING    REPRICING      PRICE        REPRICING
- -----------------------------------------  ---------  -----------  -----------  -----------  -----------  ---------------
<S>                                        <C>        <C>          <C>          <C>          <C>          <C>
Stephen A. Aanderud......................    2/13/96      10,300    $   4.733    $   8.616    $   4.733   9 yrs., 3 mos.
 
Robert D. Martin.........................    2/13/96       3,605        4.733        8.495        4.733   9 yrs., 1 mo.
 
G. Edward Brightman......................    2/13/96      10,300        4.733        8.616        4.733   9 yrs., 3 mos.
 
Frank M. Bouton..........................    2/13/96       6,180        4.733        8.616        4.733   9 yrs., 3 mos.
 
Kent E. Koski............................    2/13/96      41,200        4.733        8.616        4.733   9 yrs., 3 mos.
</TABLE>
 
                                       35
<PAGE>
INCENTIVE COMPENSATION AND BENEFIT PLANS
 
    STOCK OPTION PLANS
 
    The Company's 1994 Stock Option Plan (the "1994 Plan") and the Directors'
Nonqualified Stock Option Plan (the "Directors' Plan") were originally adopted
by the Board of Directors and the Company's Shareholders in July 1994. Prior to
the adoption of the 1994 Plan and the Directors' Plan, the Company granted stock
options to certain employees and directors under the Company's 1990 Stock Option
Plan (the "1990 Plan"). Upon adoption of the 1994 Plan, shares reserved for
issuance of then ungranted options under the 1990 Plan were transferred to the
1994 Plan.
 
    The 1994 Plan provides for the award of incentive stock options and of
nonqualified stock options to selected employees of the Company. Of the
aggregate 1,600,000 shares authorized to be issued under the 1994 Plan and the
1990 Plan, options to purchase 831,828 shares were outstanding as of November 1,
1997, 103,382 shares were reserved for issuance under the 1994 Plan pursuant to
future option grants, and the remaining shares had been issued upon exercise of
options. The exercise prices for outstanding options under the 1994 Plan and the
1990 Plan range from $0.24 to $15.75 per share. The 1994 Plan is currently
administered by the Board of Directors, which has the authority, subject to the
terms of the 1994 Plan, to determine the persons to whom options may be granted,
the exercise price and number of shares subject to each option, the character of
the grant, the time or times at which all or a portion of each option may be
exercised and certain other provisions. Options are exercisable over a period of
time in accordance with the terms of option agreements entered into on the date
of grant. Options granted under the 1994 Plan and the 1990 Plan are exercisable
for a period of 10 years from the date of grant, except that incentive stock
options granted under the 1994 Plan to persons who own more than 10% of the
Common Stock terminate after five years. Generally, options become exercisable
over a four-year period. Options granted under the 1994 Plan are generally
nontransferable by the optionee and, unless otherwise determined by the Board of
Directors, generally must be exercised by the optionee during the period of the
optionee's employment or service with the Company or within a specified period
following termination of employment or service.
 
    The Directors' Plan provides for the award of nonqualified stock options to
non-employee directors of the Company. Upon becoming a director, each
non-employee director was granted options to purchase 16,480 shares of Common
Stock. In 1996 and 1997, each non-employee director who had been a director for
more than one year received options to purchase 4,120 shares of Common Stock. Of
the 159,000 shares that are authorized to be issued under the Directors Plan,
options to purchase 69,040 shares were outstanding as of November 1, 1997, and
the remaining 89,960 shares were reserved for issuance pursuant to future option
grants. The exercise prices for outstanding options range from $4.13 to $8.62
per share. The exercise price for options granted under the Directors' Plan is
the fair market value on the date of grant, and the exercise period is 10 years
from such date. Options terminate 90 days after a holder's termination as a
director of the Company for any reason other than death or disability, and one
year after termination by death or disability.
 
    The weighted average exercise price of options outstanding as of November 1,
1997 under the 1994 Plan, the 1990 Plan and the Directors' Plan was $4.56.
 
    BONUS PLAN
 
    The Board has adopted a 1997 bonus program under which employees can receive
bonuses based upon the Company's attainment of certain revenue growth, pretax
profits and other performance goals. All employees are eligible to participate
in the program, but must remain employed at December 31, 1997 to receive a
bonus. If target revenue growth, pretax profits and other performance goals
established by the Board of Directors are met, the current seven executive
officers as a group would earn awards under the bonus plan in an aggregate
amount of $225,000, representing, individually, from 20 percent to 35 percent of
their respective 1997 annual base salaries. The maximum aggregate amount of
bonuses that may be paid
 
                                       36
<PAGE>
under the plan to such executive officers is $393,000, representing,
individually, from 35 percent to 61 percent of their respective 1997 annual base
salaries.
 
    401(K) PLAN
 
    The Company has adopted a 401(k) plan pursuant to which eligible employees
are able to elect to defer, in the form of salary reduction contributions, a
percentage of the compensation that would otherwise be paid to the employee.
Under the 401(k) plan, the Company, in its discretion, may make matching
contributions (not to exceed 1.5% of the salary of the participating individual
employee) for the benefit of eligible employees. For 1996, the Company made an
aggregate of $35,000 in matching contributions under the plan. The Company pays
all costs of administering the 401(k) plan.
 
                              CERTAIN TRANSACTIONS
 
    In December 1993, the Company entered into a consulting agreement with
BOCAR, Inc. ("BOCAR"), pursuant to which BOCAR provided consulting services to
the Company with respect to product concepts, mechanical design, mold and metal
working design and mechanical engineering. Robert L. Carter, a director,
principal shareholder and the former Chairman, President and Chief Executive
Officer of the Company, is the President and sole shareholder of BOCAR. Payments
by the Company to BOCAR under the consulting agreement were $188,334, $203,334
and $54,584, respectively, for the three successive years commencing December
10, 1993. The consulting agreement terminated in February 1996.
 
                                       37
<PAGE>
                       PRINCIPAL AND SELLING SHAREHOLDERS
 
    The following table sets forth certain information regarding beneficial
ownership of the Company's Common Stock as of November 1, 1997, and as adjusted
to reflect the sale of the shares of the Common Stock offered hereby, by (i)
each shareholder known by the Company to own beneficially 5% or more of the
Company's Common Stock, (ii) each of the Company's directors, (iii) each of the
Named Executive Officers, (iv) the Selling Shareholder and (v) all directors and
officers as a group. Except as otherwise indicated, the Company believes that
the beneficial owners of the Common Stock listed below, based on information
furnished by such owners, have sole investment and voting power with respect to
such shares.
 
<TABLE>
<CAPTION>
                                                                                    SHARES TO
                                                            SHARES BENEFICIALLY    BE SOLD IN    PERCENT BENEFICIALLY
                                                               OWNED BEFORE           THIS            OWNED AFTER
                                                              OFFERING(2)(3)        OFFERING       OFFERING(2)(3)(4)
                                                          -----------------------  -----------  -----------------------
NAME AND ADDRESS OF BENEFICIAL OWNER(1)                     NUMBER      PERCENT                   NUMBER      PERCENT
- --------------------------------------------------------  ----------  -----------               ----------  -----------
<S>                                                       <C>         <C>          <C>          <C>         <C>
C. Norman Winningstad(5)................................     482,910        11.2      300,000      182,910         3.2
G. Gerald Pratt(7)......................................     443,168        10.3       --          443,168         7.6
Milton R. Smith(6)......................................     394,080         9.0       --          394,080         6.7
Robert L. Carter(8).....................................     367,030         8.5       --          367,030         6.3
                                                             336,590         7.8       --          336,590         5.5
Robert A. Simms, Sr.  ..................................
 55 Railroad Avenue
 Greenwich, Connecticut 06830
Stephen A. Aanderud(9)..................................      94,180         2.1       --           94,180         1.7
Frank M. Bouton(10).....................................      56,892         1.3       --           56,892         1.0
G. Edward Brightman(11).................................      63,417         1.5       --           63,417         1.1
Graham E. Dorland(12)...................................      35,020       *           --           35,020       *
Frederick M. Stevens(13)................................      23,278       *           --           23,278       *
Kent E. Koski(14).......................................      17,253       *           --           17,253       *
Robert D. Martin(15)....................................      12,663       *           --           12,663       *
General Merrill A. McPeak(16)...........................       5,150       *           --            5,150       *
All Executive Officers and Directors as a group (14
 persons)(17)...........................................   2,006,939        43.2                 1,706,939        27.8
</TABLE>
 
- ------------------------
 
  * Less than 1%.
 
 (1) Unless otherwise indicated, the address of each beneficial owner identified
     is ThrustMaster, Inc., 7175 NW Evergreen Parkway, Suite 400, Hillsboro,
     Oregon 97124-5839.
 
 (2) Beneficial ownership is determined in accordance with the rules of the
     Securities and Exchange Commission. For purposes of this table, a person is
     deemed to be the beneficial owner of securities that (i) can be acquired by
     such person within 60 days upon the exercise of options or warrants and
     (ii) are held by such person's spouse or other immediate family member
     sharing such person's household. Each beneficial owner's percentage
     ownership set forth below is determined by assuming that options and
     warrants that are held by such person (but not those held by any other
     person) and that are exercisable or convertible within 60 days after
     November 1, 1997 have been exercised or converted.
 
 (3) Percentages of outstanding Common Stock are based upon 4,293,588 shares of
     Common Stock outstanding as of November 1, 1997 and 5,493,588 shares of
     Common Stock deemed to be outstanding upon completion of this offering.
 
 (4) Assumes no exercise of the Underwriters' over-allotment option.
 
 (5) Includes 64,010 shares beneficially owned with spouse and 18,540 shares
     subject to options exercisable within 60 days after November 1, 1997.
     Excludes 6,180 shares subject to options exercisable more than 60 days
     after November 1, 1997.
 
                                       38
<PAGE>
 (6) Includes 67,980 shares subject to options exercisable within 60 days after
     November 1, 1997. Excludes 6,180 shares subject to options exercisable more
     than 60 days after November 1, 1997.
 
 (7) Includes 18,540 shares subject to options exercisable within 60 days after
     November 1, 1997. Excludes 6,180 shares subject to options exercisable more
     than 60 days after November 1, 1997.
 
 (8) Includes 1,030 shares subject to options exercisable within 60 days after
     November 1, 1997. Excludes 7,210 shares subject to options exercisable more
     than 60 days after November 1, 1997.
 
 (9) Includes 94,180 shares subject to options exercisable within 60 days after
     November 1, 1997. Excludes 60,900 shares subject to options exercisable
     more than 60 days after November 1, 1997.
 
(10) Includes 6,438 shares beneficially owned with spouse and 6,438 shares
     subject to options exercisable within 60 days after November 1, 1997.
     Excludes 19,312 shares subject to options exercisable more than 60 days
     after November 1, 1997.
 
(11) Includes 59,633 shares subject to options exercisable within 60 days after
     November 1, 1997. Excludes 20,857 shares subject to options exercisable
     more than 60 days after November 1, 1997.
 
(12) Includes 16,480 shares beneficially owned with spouse and 18,540 shares
     subject to options exercisable within 60 days after November 1, 1997.
     Excludes 6,180 shares subject to options exercisable more than 60 days
     after November 1, 1997.
 
(13) Includes 4,738 shares beneficially owned with spouse and 18,540 shares
     subject to options exercisable within 60 days after November 1, 1997.
     Excludes 6,180 shares subject to options exercisable more than 60 days
     after November 1, 1997.
 
(14) Includes 2,575 shares beneficially owned with spouse and 14,678 shares
     subject to options exercisable within 60 days after November 1, 1997.
     Excludes 44,032 shares subject to options exercisable more than 60 days
     after November 1, 1997.
 
(15) Includes 12,648 shares subject to options exercisable within 60 days after
     November 1, 1997. Excludes 43,647 shares subject to options exercisable
     more than 60 days after November 1, 1997.
 
(16) Includes 5,150 shares subject to options exercisable within 60 days after
     November 1, 1997. Excludes 15,450 shares subject to options exercisable
     more than 60 days after November 1, 1997.
 
(17) Includes 348,515 shares subject to options exercisable within 60 days after
     November 1, 1997. Excludes 320,160 shares subject to options exercisable
     more than 60 days after November 1, 1997.
 
                                       39
<PAGE>
                          DESCRIPTION OF CAPITAL STOCK
 
    The authorized capital stock of the Company consists of 25,000,000 shares of
Common Stock, no par value, and 5,000,000 shares of Preferred Stock, no par
value.
 
    The following summary describes certain provisions of the Company's Articles
of Incorporation, as amended, and Amended and Restated Bylaws and of applicable
law relating to the Common Stock and Preferred Stock. The summary does not
purport to be complete and is subject, and qualified in its entirety by, the
complete provisions of the Company's Articles of Incorporation, as amended, and
Amended and Restated Bylaws, which are included as exhibits to the Registration
Statement of which this Prospectus is a part, and by the provisions of
applicable law.
 
COMMON STOCK
 
    As of November 1, 1997, there were 4,293,588 shares of Common Stock
outstanding held of record by 98 shareholders. The holders of Common Stock are
entitled to receive dividends as may from time to time be declared by the Board
of Directors out of funds legally available therefor and to one vote per share
on all matters on which the holders of Common Stock are entitled to vote. See
"Dividend Policy." Such holders do not have any cumulative voting rights or
preemptive, conversion, redemption or sinking fund rights. In the event of a
liquidation, dissolution or winding up of the Company, holders of Common Stock
are entitled to share equally and ratably in the Company's assets, if any,
remaining after the payment of all liabilities of the Company and the
liquidation preference of any outstanding class or series of Preferred Stock.
The outstanding shares of Common Stock are, and the shares of Common Stock
offered hereby will be, fully paid and nonassessable. The rights, preferences
and privileges of holders of Common Stock are subject to those of any series of
Preferred Stock that the Company's Board of Directors may issue in the future,
as described below. The Common Stock is traded on the Nasdaq National Market
under the trading symbol "TMSR."
 
PREFERRED STOCK
 
    The Company is authorized to issue up to 5,000,000 shares of Preferred Stock
in one or more series and to fix the number of shares constituting any such
series and the preferences, limitations and relative rights, including dividend
rights, dividend rate, voting rights, terms of redemption, redemption price or
prices, conversion rights, preemption rights and liquidation preferences of the
shares constituting any series, without any further vote or action by the
Company's shareholders. The issuance of Preferred Stock by the Board of
Directors could adversely affect the rights of holders of Common Stock. The
potential issuance of Preferred Stock may have the effect of delaying, deferring
or preventing a change in control of the Company, may discourage bids for the
Common Stock at a premium over the market price of the Common Stock, and may
adversely affect the market price of, and the voting and other rights of the
holders of, the Common Stock. The Company has no present plan to issue Preferred
Stock. See "Risk Factors--Potential Adverse Impact of Issuance of Preferred
Stock; Antitakeover Effect of Oregon Law and the Company's Amended and Restated
Bylaws."
 
WARRANTS
 
    Warrants to purchase 117,150 shares of Common Stock at a price of $7.57 per
share were outstanding as of November 1, 1997. The warrants expire March 3,
1999. Until such date subject to certain limitations, the warrantholders are
entitled to one demand registration right and unlimited piggyback registration
rights.
 
                                       40
<PAGE>
ANTI-TAKEOVER EFFECTS OF OREGON LAW AND THE COMPANY'S AMENDED AND RESTATED
  BYLAWS
 
    OREGON CONTROL SHARE ACT
 
    The Company is subject to certain provisions of the Oregon Business
Corporation Act (the "Act") that in certain circumstances restrict the ability
of significant shareholders from exercising voting rights (the "Control Share
Act"). The Control Share Act generally provides that a person (the "Acquiring
Person") who acquires voting stock of an Oregon corporation in a transaction
that results in the Acquiring Person's holding more than 20%, 33- 1/3% or 50% of
the total voting power of the corporation (a "Control Share Acquisition") cannot
vote the shares the Acquiring Person acquires in the Control Share Acquisition
("control shares") unless voting rights are accorded to the control shares by
(i) a majority of each voting group entitled to vote and (ii) the holders of a
majority of the outstanding voting shares, excluding the control shares held by
the Acquiring Person and shares held by the corporation's officers and inside
directors. The term "Acquiring Person" is broadly defined to include persons
acting as a group.
 
    The Acquiring Person may, but is not required to, submit to the corporation
a statement setting forth certain information about the Acquiring Person and its
plans with respect to the corporation. The statement may also request that the
corporation call a special meeting of shareholders to determine whether voting
rights will be accorded to the control shares. If the Acquiring Person does not
request a special meeting of shareholders, the issue of the control shares'
voting rights will be considered at the next annual or special meeting of
shareholders. If the Acquiring Person's control shares are accorded voting
rights and represent a majority of all voting power, shareholders who do not
vote in favor of voting rights for the control shares will have the right to
receive the appraised "fair value" of their shares, which may not be less than
the highest price paid per share by the Acquiring Person for the control shares.
 
    OREGON BUSINESS COMBINATION STATUTES
 
    The Company is also subject to certain provisions of the Act that govern
business combinations between corporations and interested shareholders, which
generally provide that if a person or entity acquires 15% or more of the voting
stock of an Oregon corporation (an "Interested Shareholder"), the corporation
and the Interested Shareholder, or any affiliated entity of the Interested
Shareholder, may not engage in certain business combination transactions for
three years following the date the person or entity became an Interested
Shareholder. Business combination transactions for this purpose include (a) a
merger or plan of share exchange, (b) any sale, lease, mortgage or other
disposition of 10% or more of the assets of the corporation and (c) certain
transactions that result in the issuance of capital stock of the corporation to
the Interested Shareholder. These restrictions do not apply if (i) the
Interested Shareholder, as a result of the transaction in which such person
became an Interested Shareholder, owns at least 85% of the outstanding voting
stock of the corporation (disregarding shares owned by directors who are also
officers and by certain employee benefit plans), (ii) the board of directors
approves the share acquisition or business combination before the Interested
Shareholder acquired 15% or more of the corporation's outstanding voting stock
or (iii) the board of directors and the holders of at least 66- 2/3% of the
outstanding voting stock of the corporation (disregarding shares owned by the
Interested Shareholder) approve the transaction after the Interested Shareholder
acquires 15% or more of the corporation's voting stock.
 
    CLASSIFIED BOARD OF DIRECTORS
 
    The Company's Amended and Restated Bylaws provide for the Company's Board of
Directors to be divided into three classes of directors serving staggered
three-year terms. At each annual meeting of the Company's shareholders,
directors are elected to succeed the directors in the class whose terms are then
expiring. Classification of the Board of Directors is intended to decrease the
likelihood of precipitous changes in the composition of the Board of Directors
and its powers, and thereby to moderate changes in the Company's policies and
direction that the Board of Directors does not deem to be in the best interests
 
                                       41
<PAGE>
of the shareholders. Classification may also have the effect of delaying,
deferring or preventing a change of control of the Company without further
action by the shareholders, may discourage bids for the Common Stock at a
premium over the market price of the Common Stock, may adversely affect the
market price of the Common Stock and could have the effect of discouraging
certain attempts to acquire the Company or remove incumbent management,
including incumbent members of the Company's Board of Directors, even if some or
a majority of the Company's shareholders deemed such actions to be in their best
interests. See "Risk Factors--Potential Adverse Impact of Issuance of Preferred
Stock; Antitakeover Effect of Oregon Law and the Company's Amended and Restated
Bylaws."
 
TRANSFER AGENT AND REGISTRAR
 
    The Transfer Agent and Registrar for the Common Stock is ChaseMellon
Shareholder Services, Seattle, Washington.
 
                        SHARES ELIGIBLE FOR FUTURE SALE
 
    Upon completion of this offering, the Company will have 5,493,588 shares of
Common Stock outstanding (assuming no exercise of options or warrants after
November 1, 1997), all of which will be freely tradable without restriction
under the Securities Act, other than shares held by "affiliates" of the Company,
as defined in Rule 144 under the Securities Act, which shares will be subject to
certain resale limitations of Rule 144. Approximately 1,330,832 shares will be
subject to an 80-day lock-up period, as described below. The Company, the
Selling Shareholder and the Company's directors, executive officers and
shareholders owning in excess of one percent of the outstanding shares of Common
Stock prior to this offering have agreed that, until 80 days following the close
of this offering, they will not, without the prior written consent of Van Kasper
& Company, which will not be unreasonably withheld, offer, sell or otherwise
dispose of any of the 1,330,832 shares of Common Stock owned by them or any
securities convertible into or exercisable or exchangeable for any shares of
Common Stock, except that the Company, without such consent, may grant options
or issue stock upon exercise of options granted pursuant to the Company's stock
option plans and except that the Representative shall allow such persons to sell
an aggregate amount of up to 40,000 shares of Common Stock on or after 80 days
following the close of this offering.
 
    In general, under Rule 144 as currently in effect, a person (or persons
whose shares are aggregated) who has beneficially owned restricted shares for at
least one year (and, with respect to nonaffiliates of the Company, a person who
has beneficially owned restricted securities less than two years), will be
entitled to sell in any three-month period a number of shares that does not
exceed the greater of (i) 1% of the then outstanding shares of the Company's
Common Stock or (ii) the average weekly trading volume of the Company's Common
Stock on the Nasdaq National Market during the four calendar weeks immediately
preceding the date on which notice of the sale is filed with the Securities and
Exchange Commission. Such sales pursuant to Rule 144 are subject to certain
requirements relating to manner of sale, notice and availability of current
public information about the Company. A person (or persons whose shares are
aggregated) who is not deemed to have been an affiliate of the Company at any
time during the 90 days immediately preceding the sale and who has beneficially
owned restricted shares for at least two years is entitled to sell such shares
pursuant to Rule 144(k) without regard to the limitations described above.
 
    At November 1, 1997, options to purchase an aggregate of 900,868 shares of
Common Stock were outstanding under the 1994 Stock Option Plan, the 1990 Stock
Option Plan and the Directors' Nonqualified Stock Option Plan, of which options
to purchase 448,329 shares were fully vested. All of the shares of Common Stock
issuable upon exercise of such options have been registered under the Securities
Act, and unless held by affiliates of the Company, would be free from the
restrictions of Rule 144. An additional 193,342 shares are reserved for future
grants under such stock option plans. As of November 1, 1997, warrants to
purchase up to 117,150 shares of Common Stock at the price of $7.57 per share
were
 
                                       42
<PAGE>
outstanding and will become available for sale in the public market, if
exercised pursuant to cashless exercise provisions, or one year following the
date of exercise of the warrants if exercised for cash.
 
    Sales of substantial amounts of Common Stock in the public market, or the
perception that such sales could occur, could adversely affect prevailing market
prices of the Common Stock and could impair the Company's future ability to
raise capital through an offering of its equity securities. See "Risk Factors--
Volatility of Stock Price."
 
                                       43
<PAGE>
                                  UNDERWRITING
 
    The underwriters named below (the "Underwriters"), acting through their
Representative, Van Kasper & Company, have severally agreed, subject to the
terms and conditions contained in the Underwriting Agreement (the "Underwriting
Agreement") by and among the Company, the Selling Shareholder and the
Underwriters, to purchase from the Company and the Selling Shareholder the
number of shares of Common Stock set forth opposite their respective names:
 
<TABLE>
<CAPTION>
                                                                                   NUMBER OF
NAME                                                                                 SHARES
- ---------------------------------------------------------------------------------  ----------
<S>                                                                                <C>
Van Kasper & Company.............................................................
 
                                                                                   ----------
    Total........................................................................   1,500,000
                                                                                   ----------
                                                                                   ----------
</TABLE>
 
    The shares of Common Stock are being offered by the Underwriters named
herein, subject to receipt and acceptance by them, subject to their right to
reject any order in whole or in part, and to certain other conditions. The
Underwriters are committed to purchase all of the above shares of Common Stock
if any are purchased.
 
    The Representative has advised the Company and the Selling Shareholder that
the Underwriters propose to offer the shares of Common Stock to the public
initially at the price to public set forth on the cover page of this Prospectus
and to certain dealers at that price less a concession not in excess of $
per share. The Underwriters may allow, and these dealers may reallow, to certain
dealers, including any Underwriters, a discount not in excess of $    per share.
After the public offering of the shares of Common Stock, the offering price and
other selling terms may be changed by the Representative as a result of market
conditions or other factors.
 
    The Company has granted to the Underwriters an option, exercisable no later
than 45 days after the date of this Prospectus, to purchase up to 225,000
additional shares of Common Stock at the price to public set forth on the cover
page of this Prospectus, less the underwriting discount set forth on the cover
page of this Prospectus, solely to cover over-allotments. To the extent that the
Underwriters exercise this option, each of the Underwriters will have a firm
commitment, subject to certain conditions, to purchase such additional shares in
approximately the same proportion as set forth in the above table, and the
Company will be obligated, pursuant to the option, to sell such shares of Common
Stock to the Underwriters.
 
    The Underwriting Agreement contains covenants of indemnity between the
Underwriters and the Company and the Selling Shareholder against certain civil
liabilities, including liabilities under the Securities Act.
 
    The Company, the Selling Shareholder and the Company's directors and
executive officers owning in excess of one percent of the outstanding shares of
Common Stock prior to this offering have agreed that, until 80 days following
the closing of this offering, they will not, without the prior written consent
of the Representative, which will not be unreasonably withheld, offer, sell or
otherwise dispose of any shares of Common Stock or any securities convertible
into or exercisable or exchangeable for any shares of Common Stock, except that
the Company, without such consent, may grant options or issue stock upon
exercise of
 
                                       44
<PAGE>
options granted pursuant to the Company's stock option plans and except that the
Representative shall allow such persons to sell an aggregate amount of up to
40,000 shares of Common Stock on or after 60 days following the closing of this
offering.
 
    Until the distribution of the Common Stock is completed, rules of the
Securities and Exchange Commission may limit the ability of the Underwriters and
certain selling group members to bid for and purchase the Common Stock. As an
exception to these rules, the Underwriters are permitted to engage in certain
transactions that stabilize the price of the Common Stock. Such transactions
consist of bids or purchases for the purpose of pegging, fixing or maintaining
the price of the Common Stock. If the Underwriters create a short position in
the Common Stock in connection with the offering, I.E., if they sell more shares
of Common Stock than are set forth on the cover page of this Prospectus the
Underwriters may reduce that short position by purchasing Common Stock in the
open market. The Underwriters may also elect to reduce any short position by
exercising all or part of the over-allotment option described above. The
Underwriters may also impose a penalty bid on certain Underwriters and selling
group members. This means that if the Underwriters purchase shares of Common
Stock in the open market to reduce the Underwriters' short position or to
stabilize the price of the Common Stock, they may reclaim the amount of the
selling concession from the Underwriters and selling group members who sold
those shares as part of this offering.
 
    In general, purchases of a security for the purpose of stabilization or to
reduce a short position could cause the price of the security to be higher than
it might be in the absence of such purchases. The imposition of a penalty bid
might also have an effect on the price of a security to the extent that it
discourages resales of the security. Neither the Company nor any of the
Underwriters makes any representation or predictions as to the direction or
magnitude of any effect that the transactions described above may have on the
price of the Common Stock. In addition, neither the Company nor any of the
Underwriters makes any representation that the Underwriters will engage in such
transactions or that such transactions, once commenced, will not be discontinued
without notice.
 
    The Underwriters have advised the Company that the Underwriters and dealers
may engage in passive market making transactions in the Common Stock in
accordance with rules promulgated by the Commission. In general, a passive
market maker may not bid for or purchase the Common Stock at a price that
exceeds the highest independent bid. In addition, the net daily purchases made
by any passive market maker generally may not exceed 30% of its average daily
trading volume in the Common Stock during a specified two-month prior period or
200 shares, whichever is greater. A passive market maker must identify passive
market making bids as such on the Nasdaq electronic inter-dealer reporting
system. Passive market making may have the effect of stabilizing or maintaining
the market price of the Common Stock at a level above that which might otherwise
prevail in the open market. Underwriters and dealers are not required to engage
in passive market making and may discontinue such activities at any time.
 
                                 LEGAL MATTERS
 
    The validity of the issuance of the shares of Common Stock offered hereby
will be passed upon for the Company and for the Selling Shareholder by Perkins
Coie, Portland, Oregon. Certain legal matters in connection with this offering
will be passed upon for the Underwriters by Van Valkenberg Furber Law Group
P.L.L.C., Seattle, Washington.
 
                                    EXPERTS
 
    The consolidated balance sheets as of December 31, 1995 and 1996, and the
related consolidated statements of income, cash flows and changes in
shareholders' equity for each of the three years in the period ended December
31, 1996 included in this prospectus have been included herein in reliance on
the report of Coopers & Lybrand L.L.P., independent accountants, given on the
authority of that firm as experts in accounting and auditing.
 
                                       45
<PAGE>
                             ADDITIONAL INFORMATION
 
    The Company has filed with the Securities and Exchange Commission (the
"Commission"), a Registration Statement on Form S-1 (the "Registration
Statement," which term shall include all amendments thereto) under the
Securities Act with respect to the Common Stock offered hereby. This Prospectus,
which constitutes a part of the Registration Statement, omits certain
information contained in the Registration Statement and the exhibits and
schedules thereto on file with the Commission, in accordance with the Securities
Act and the rules and regulations of the Commission thereunder. For further
information with respect to the Company and the Common Stock offered hereby,
reference is made to the Registration Statement and the exhibits and schedules
filed therewith. Statements contained in this Prospectus concerning the
provisions of such documents are necessarily summaries of such documents and
each such statement is qualified in its entirety by reference to the copy of the
applicable document filed with the Commission as an exhibit to the Registration
Statement. The Registration Statement and the exhibits thereto may be inspected,
without charge, at the public reference facilities of the Commission at the
principal office of the Commission, 450 Fifth Street, N.W., Washington, D.C.
20549, and at the Commission's regional offices located at Seven World Trade
Center, 13th Floor, New York, New York 10048, and Citicorp Center, 500 West
Madison Street, Suite 1400, Chicago, Illinois 60661, and copies of all or any
part thereof may be obtained from the Public Reference Section of the Commission
at 450 Fifth Street, N.W., Washington, D.C. 20549, and its public reference
facilities in New York, New York, and Chicago, Illinois, at prescribed rates. In
addition, the Registration Statement and such exhibits and schedules may be
accessed electronically at the Commission's web site on the Internet at
www.sec.gov.
 
    The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act") and, in accordance
therewith, files periodic reports and other information with the Commission.
Such reports and other information (including proxy or information statements)
can be inspected and copied at the addresses, and may be accessed electronically
at the web site, set forth above. Such reports and other information (including
proxy or information statements) can also be inspected at the offices of the
National Association of Securities Dealers, Inc., 1735 K Street, N.W.,
Washington, D.C. 20006.
 
                                       46
<PAGE>
                         INDEX TO FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                                                                               PAGE
                                                                                                             ---------
<S>                                                                                                          <C>
Report of Independent Accountants..........................................................................        F-2
 
Consolidated Balance Sheets as of December 31, 1995 and 1996 (audited) and as of September 30, 1997
  (unaudited)..............................................................................................        F-3
 
Consolidated Statements of Income for the years ended December 31, 1994, 1995 and 1996 (audited) and for
  the nine months ended September 30, 1996 and 1997 (unaudited)............................................        F-4
 
Consolidated Statements of Cash Flows for the years ended December 31, 1994, 1995 and 1996 (audited) and
  for the nine months ended September 30, 1996 and 1997 (unaudited)........................................        F-5
 
Consolidated Statements of Changes in Shareholders' Equity for the years ended December 31, 1994, 1995 and
  1996 (audited) and for the nine months ended September 30, 1997 (unaudited)..............................        F-6
 
Notes to Consolidated Financial Statements.................................................................        F-7
 
Financial Statement Schedule:
 
  Schedule II--Valuation and Qualifying Accounts--For each of the three years in the period ended December
    31, 1996...............................................................................................       F-16
</TABLE>
 
                                      F-1
<PAGE>
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
To the Board of Directors
ThrustMaster, Inc.
 
    We have audited the accompany consolidated balance sheets of ThrustMaster,
Inc. and Subsidiary as of December 31, 1995 and 1996, and the related
consolidated statements of income, cash flow and changes in shareholders' equity
and financial statement schedule for each of the three years in the period ended
December 31, 1996. These financial statements and financial statement schedule
are the responsibility of the Company's management. Our responsibility is to
express an opinion on these financial statements and financial statement
schedule based on our audits.
 
    We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audits to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
    In our opinion, the financial statements referred to above present fairly,
in all material respects, the consolidated financial position of ThrustMaster,
Inc. and Subsidiary as of December 31, 1995 and 1996 and the consolidated
results of their operations and their cash flows for each of the three years in
the period ended December 31, 1996, in conformity with generally accepted
accounting principles. In addition, in our opinion, the financial statement
schedule referred to above, when considered in relation to the basic financial
statements taken as a whole, presents fairly in all material respects, the
information required to be included therein.
 
                                          COOPERS & LYBRAND L.L.P.
 
Portland, Oregon
January 24, 1997
 
                                      F-2
<PAGE>
                               THRUSTMASTER, INC.
 
                          CONSOLIDATED BALANCE SHEETS
                             (DOLLARS IN THOUSANDS)
 
                                     ASSETS
 
<TABLE>
<CAPTION>
                                                                    DECEMBER 31,
                                                                --------------------   SEPTEMBER
                                                                  1995       1996      30, 1997
                                                                ---------  ---------  -----------
                                                                                      (UNAUDITED)
<S>                                                             <C>        <C>        <C>
Current assets:
  Cash and cash equivalents...................................  $   8,090  $   6,420   $   5,376
  Accounts receivable, net....................................      2,897      9,820       9,635
  Inventories.................................................      2,526      3,560       5,300
  Prepaid expenses and other..................................        402        109         355
  Deferred income taxes.......................................        104        239         269
                                                                ---------  ---------  -----------
    Total current assets......................................     14,019     20,148      20,935
Plant and equipment, net......................................      1,058      1,081       1,878
Other.........................................................         25         32          31
                                                                ---------  ---------  -----------
    Total assets..............................................  $  15,102  $  21,261   $  22,844
                                                                ---------  ---------  -----------
                                                                ---------  ---------  -----------
</TABLE>
 
                      LIABILITIES AND SHAREHOLDERS' EQUITY
 
<TABLE>
<CAPTION>
<S>                                                                            <C>        <C>        <C>
Current liabilities:
  Accounts payable...........................................................  $   1,203  $   3,021    $   4,143
  Accrued liabilities........................................................        529      2,311        1,149
  Current portion--long-term debt............................................         11         10            1
                                                                               ---------  ---------  -------------
    Total current liabilities................................................      1,743      5,342        5,293
                                                                               ---------  ---------  -------------
Long-term debt...............................................................         10     --           --
  Deferred income taxes......................................................         38         21           26
                                                                               ---------  ---------  -------------
    Total liabilities........................................................      1,791      5,363        5,319
                                                                               ---------  ---------  -------------
Commitments (Notes 9 and 11)
Shareholders' equity:
  Preferred stock, no par value, 5,000,000 shares authorized; none
    issued or outstanding....................................................     --         --           --
  Common stock, no par value, 25,000,000 shares authorized;
    3,952,796, 4,240,403 and 4,280,777 shares issued and outstanding.........     11,877     13,301       13,474
  Retained earnings..........................................................      1,434      2,597        4,051
                                                                               ---------  ---------  -------------
    Total shareholders' equity...............................................     13,311     15,898       17,525
                                                                               ---------  ---------  -------------
    Total liabilities and shareholders' equity...............................  $  15,102  $  21,261    $  22,844
                                                                               ---------  ---------  -------------
                                                                               ---------  ---------  -------------
</TABLE>
 
  The accompanying notes are an integral part of these consolidated financial
                                  statements.
 
                                      F-3
<PAGE>
                               THRUSTMASTER, INC.
 
                       CONSOLIDATED STATEMENTS OF INCOME
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                                                                                               NINE MONTHS ENDED
                                                                YEARS ENDED DECEMBER 31,         SEPTEMBER 30,
                                                             -------------------------------  --------------------
                                                               1994       1995       1996       1996       1997
                                                             ---------  ---------  ---------  ---------  ---------
                                                                                                  (UNAUDITED)
<S>                                                          <C>        <C>        <C>        <C>        <C>
Revenues...................................................  $  13,582  $  19,415  $  30,821  $  15,745  $  23,930
Cost of goods sold.........................................      8,007     11,815     19,592      9,727     14,814
                                                             ---------  ---------  ---------  ---------  ---------
Gross profit...............................................      5,575      7,600     11,229      6,018      9,116
                                                             ---------  ---------  ---------  ---------  ---------
Operating expenses:
  Research and engineering.................................      1,115      1,845      2,105      1,352      1,807
  Selling, general and administrative......................      2,689      4,111      5,961      3,680      5,349
                                                             ---------  ---------  ---------  ---------  ---------
    Total operating expenses...............................      3,804      5,956      8,066      5,032      7,156
                                                             ---------  ---------  ---------  ---------  ---------
Income from operations.....................................      1,771      1,644      3,163        986      1,960
Interest income............................................     --            404        466        324        284
                                                             ---------  ---------  ---------  ---------  ---------
Income before income taxes.................................      1,771      2,048      3,629      1,310      2,244
Provision for income taxes.................................     --            614      1,370        472        790
                                                             ---------  ---------  ---------  ---------  ---------
Net income.................................................  $   1,771  $   1,434  $   2,259  $     838  $   1,454
                                                             ---------  ---------  ---------  ---------  ---------
                                                             ---------  ---------  ---------  ---------  ---------
</TABLE>
 
<TABLE>
<S>                                              <C>        <C>        <C>        <C>        <C>
Pro forma data (Note 2):
Income before income taxes.....................  $   1,771  $   2,048  $   3,629  $   1,310  $   2,244
Provision for income taxes (pro forma through
  1995)........................................        633        687      1,370        472        790
                                                 ---------  ---------  ---------  ---------  ---------
Net income (pro forma through 1995)............  $   1,138  $   1,361  $   2,259  $     838  $   1,454
                                                 ---------  ---------  ---------  ---------  ---------
                                                 ---------  ---------  ---------  ---------  ---------
Net income per share (pro forma through 1995)
  (Note 2).....................................  $    0.38  $    0.32  $    0.49  $    0.18  $    0.30
                                                 ---------  ---------  ---------  ---------  ---------
                                                 ---------  ---------  ---------  ---------  ---------
Weighted average shares outstanding (Note 2)...      2,957      4,293      4,647      4,582      4,807
                                                 ---------  ---------  ---------  ---------  ---------
                                                 ---------  ---------  ---------  ---------  ---------
</TABLE>
 
  The accompanying notes are an integral part of these consolidated financial
                                  statements.
 
                                      F-4
<PAGE>
                               THRUSTMASTER, INC.
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                             (DOLLARS IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                                                 NINE MONTHS ENDED
                                                                  YEARS ENDED DECEMBER 31,         SEPTEMBER 30,
                                                               -------------------------------  --------------------
                                                                 1994       1995       1996       1996       1997
                                                               ---------  ---------  ---------  ---------  ---------
                                                                                                    (UNAUDITED)
<S>                                                            <C>        <C>        <C>        <C>        <C>
Cash flows from operations:
  Net income.................................................  $   1,771  $   1,434  $   2,259  $     838  $   1,454
  Adjustments to reconcile net income to net cash provided by
    (used in) operating activities:
    Depreciation.............................................        198        376        766        411        403
    Deferred income taxes....................................     --            (66)      (152)       (24)       (25)
    Changes in assets and liabilities:
    Accounts receivable......................................       (507)      (784)    (6,923)    (1,741)       185
    Inventories..............................................        (52)    (1,572)    (1,034)       529     (1,740)
    Prepaid expenses and other assets........................        (66)       346        286         71       (245)
    Payables and accrued liabilities.........................       (109)       325      3,857        885         74
                                                               ---------  ---------  ---------  ---------  ---------
      Net cash provided by (used in) operating activities....      1,235         59       (941)       969        106
                                                               ---------  ---------  ---------  ---------  ---------
Cash flows from investing activities:
  Purchases of plant and equipment...........................       (493)      (753)      (789)      (687)    (1,200)
                                                               ---------  ---------  ---------  ---------  ---------
Cash flows from financing activities:
  Payments on long-term debt.................................        (20)       (56)       (11)        (9)        (9)
  Proceeds from issuance of common stock.....................        510      8,851         71         70         59
  Deferred offering costs....................................       (167)    --         --         --         --
  Cash dividends.............................................       (521)      (556)    --         --         --
                                                               ---------  ---------  ---------  ---------  ---------
      Net cash provided by (used in) financing activities....       (198)     8,239         60         61         50
                                                               ---------  ---------  ---------  ---------  ---------
      Net increase (decrease) in cash and cash equivalents...        544      7,545     (1,670)       343     (1,044)
Cash and cash equivalents, beginning of period...............          1        545      8,090      8,090      6,420
                                                               ---------  ---------  ---------  ---------  ---------
Cash and cash equivalents, end of period.....................  $     545  $   8,090  $   6,420  $   8,433  $   5,376
                                                               ---------  ---------  ---------  ---------  ---------
                                                               ---------  ---------  ---------  ---------  ---------
 
Supplemental cash flow information:
 
Cash paid during the year for:
 
Interest.....................................................  $      39  $       3  $       1  $       1  $  --
Income taxes.................................................     --            376         47          8      1,247
Cost of equipment acquired in exchange for notes.............         38     --         --         --         --
</TABLE>
 
  The accompanying notes are an integral part of these consolidated financial
                                  statements.
 
                                      F-5
<PAGE>
                               THRUSTMASTER, INC.
 
           CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                                           COMMON STOCK
                                                                                      ----------------------   RETAINED
                                                                                        SHARES      AMOUNT     EARNINGS
                                                                                      -----------  ---------  -----------
<S>                                                                                   <C>          <C>        <C>
Balance, January 1, 1994............................................................       2,016   $     365   $     966
  Proceeds from issuance of common stock............................................         176         510      --
  Dividends.........................................................................      --          --            (922)
  Net income........................................................................      --          --           1,771
                                                                                           -----   ---------  -----------
Balance, December 31, 1994..........................................................       2,192         875       1,815
  Reclassification of S corporation earnings........................................      --           1,660      (1,660)
  Proceeds from issuance of common stock............................................       1,761       8,851      --
  Tax benefits from stock options exercised.........................................      --             491      --
  Dividends.........................................................................      --          --            (155)
  Net income........................................................................      --          --           1,434
                                                                                           -----   ---------  -----------
Balance, December 31, 1995..........................................................       3,953      11,877       1,434
  Proceeds from issuance of common stock............................................         164          71      --
  Tax benefits from stock options exercised.........................................      --             257      --
  Stock dividend declared (Note 2)..................................................         123       1,096      (1,096)
  Net income........................................................................      --          --           2,259
                                                                                           -----   ---------  -----------
Balance, December 31, 1996..........................................................       4,240      13,301       2,597
  Stock options exercised (unaudited)...............................................          41          59      --
  Tax benefits from stock options exercised (unaudited).............................      --             114      --
  Net Income (unaudited)............................................................      --          --           1,454
                                                                                           -----   ---------  -----------
Balance, September 30, 1997 (unaudited).............................................       4,281   $  13,474   $   4,051
                                                                                           -----   ---------  -----------
                                                                                           -----   ---------  -----------
</TABLE>
 
  The accompanying notes are an integral part of these consolidated financial
                                  statements.
 
                                      F-6
<PAGE>
                               THRUSTMASTER, INC.
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
NOTE 1--THE COMPANY
 
    The consolidated financial statements include the accounts of ThrustMaster,
Inc., (the "Company"), an Oregon corporation, and its wholly-owned subsidiary,
ThrustMaster Foreign Sales Corporation. The Company was incorporated on July 31,
1990. The Company designs, develops, manufactures and markets a variety of game
controllers, primarily for personal computers, and related equipment.
 
NOTE 2--SIGNIFICANT ACCOUNTING POLICIES
 
    REVENUE RECOGNITION.  Revenue is recognized at the time of product shipment.
All products have a warranty for one year from date of sale covering product
defects. Certain sales agreements provide the right to return unsold
merchandise. The Company provides for estimated costs of warranty and returns
when products are shipped.
 
    CASH AND CASH EQUIVALENTS.  Cash equivalents consist of highly liquid debt
instruments purchased with an original maturity of three months or less. The
Company's cash equivalents are invested in high quality securities placed with
institutions with high credit ratings. This investment policy limits the
Company's exposure to concentrations of credit risk.
 
    INVENTORIES.  Inventories are stated at the lower of cost or market on a
first-in, first-out basis. Finished goods are costed using standard cost, which
approximates the first-in, first-out method of accounting.
 
    PLANT AND EQUIPMENT.  Plant and equipment are stated at cost and are
depreciated using the straight-line method over the estimated useful lives
(three to seven years). Replacements and improvements which extend the useful
life are capitalized. Maintenance and repairs and routine replacements are
expensed as incurred. Upon disposal, costs and related accumulated depreciation
of the assets are removed from the accounts and resulting gains and losses are
reflected in operations.
 
    INCOME TAXES.  Prior to January 1, 1991, the Company was treated for federal
and state income tax purposes as a C corporation. From January 1, 1991 through
December 31, 1994, the Company was treated for federal income tax purposes as an
S corporation under Subchapter S of the Internal Revenue Code of 1986, as
amended, and was treated as an S corporation for state income tax purposes under
comparable state tax laws. As a result, the Company's earnings from January 1,
1991 through December 31, 1994 have been, for federal and certain state income
tax purposes, taxed directly to the Company's shareholders, at their individual
federal and state income tax rates, rather than to the Company. Effective
January 1, 1995 (the "Termination Date"), the Company's S corporation status was
terminated. Subsequent to the Termination Date, the Company is no longer treated
as an S corporation and, accordingly, is subject to federal and state income
taxes on its earnings.
 
    Deferred tax assets and liabilities are recognized for the future tax
consequences attributable to differences between the financial reporting and tax
bases of assets and liabilities and operating loss and tax credit carryforwards.
Deferred tax assets and liabilities are measured using enacted tax rates
expected to apply to taxable income in the years in which those temporary
differences are expected to be recovered or settled. The effect on deferred tax
assets and liabilities of a change in tax rates is recognized in income in the
period of change. Valuation allowances are established when necessary, to reduce
deferred tax assets to the amounts expected to be realized.
 
                                      F-7
<PAGE>
                               THRUSTMASTER, INC.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
NOTE 2--SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
    RESEARCH AND ENGINEERING EXPENSE.  Research and engineering costs are
charged to operations as incurred.
 
    PER SHARE DATA.  Net income per share is computed using the weighted average
number of shares of common stock and common stock equivalents outstanding during
the periods presented. Common stock equivalents include common stock to be
issued upon the exercise of the common stock options and warrants discussed in
Note 10. On January 21, 1997, the Company's board of directors declared a 3%
stock dividend payable to shareholders of record on February 14, 1997. Share,
per share, common stock, stock option and warrant amounts have been restated to
reflect the effect of this stock dividend.
 
    UNAUDITED PRO FORMA FINANCIAL INFORMATION AND INCOME TAXES.  As previously
described, the Company was treated as a Small Business Corporation (S
corporation) for income tax purposes from January 1, 1991 through December 31,
1994. The unaudited pro forma financial information on the income statement for
1994 and 1995 reflects an estimate of the income taxes that would have been
reported had the Company been a C corporation in those periods.
 
    RECLASSIFICATIONS.  Certain operating expense categories for the years ended
December 31, 1994 and 1995 on the Consolidated Statements of Income have been
reclassified in order to conform to the 1996 presentation. These changes had no
impact on previously reported results of operations or shareholders' equity.
 
    USE OF ESTIMATES.  The preparation of financial statements in conformity
with generally accepted accounting principles requires management to make
estimates and assumptions that affect the reported amounts of assets and
liabilities and disclosure of contingent assets and liabilities at the date of
the financial statements and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from those estimates.
 
    INTERIM FINANCIAL DATA.  The consolidated financial statements as of
September 30, 1997 and for the nine months ended September 30, 1996 and 1997 are
unaudited; however, these financial statements have been prepared on a basis
consistent with the audited financial statements and, in the opinion of
management, include all adjustments, consisting of normal recurring adjustments,
necessary for a fair presentation of the financial position, results of
operations and cash flows in accordance with generally accepted accounting
principles. Results of the interim periods are not necessarily indicative of
results for the entire year.
 
NOTE 3--CONCENTRATION OF CREDIT RISK, FOREIGN OPERATIONS, AND MAJOR CUSTOMER
INFORMATION
 
    Financial instruments which potentially subject the Company to
concentrations of credit risk consist principally of cash and cash equivalents
and accounts receivable.
 
    The Company's accounts receivable are primarily from a small number of
computer wholesale distributors and software specialty stores located in the
United States, Canada, and western Europe. Management believes that any risk of
loss is significantly reduced by ongoing credit evaluations of its customer's
financial condition.
 
                                      F-8
<PAGE>
                               THRUSTMASTER, INC.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
NOTE 3--CONCENTRATION OF CREDIT RISK, FOREIGN OPERATIONS, AND MAJOR CUSTOMER
INFORMATION (CONTINUED)
    In 1995 and for the nine months ended September 30, 1997, product sales to
two customers accounted for more than 10% of revenues. In 1994 and 1996, no
customer individually accounted for more than 10% of revenues.
 
    The Company operates in a single industry segment comprising interactive
control devices for use with personal computer entertainment software. Certain
of the Company's products are manufactured and assembled in Taiwan and China by
an independent contractor. Products manufactured and assembled by this vendor
approximated 38%, 74%, and 88% of total production in 1995, 1996, and for the
nine months ended September 30, 1997, respectively.
 
    Revenues by geographic region and as a percentage of total revenues for each
region outside the United States that constituted more than 10% of the Company's
total revenues is as follows:
 
<TABLE>
<CAPTION>
                                                                                                    NINE MONTHS ENDED
                                                                     YEARS ENDED DECEMBER 31,         SEPTEMBER 30,
                                                                  -------------------------------  --------------------
                                                                    1994       1995       1996       1996       1997
                                                                  ---------  ---------  ---------  ---------  ---------
                                                                                                       (UNAUDITED)
<S>                                                               <C>        <C>        <C>        <C>        <C>
Revenues by geographic region:
  Europe........................................................  $   1,361  $   2,489  $  10,225  $   4,156  $   5,343
  Asia..........................................................      1,435      1,580      1,634      1,031      1,482
Revenues as a percentage of total revenues:
  Europe........................................................       10.0%      12.8%      33.2%      26.4%      22.7%
  Asia..........................................................       10.6        8.1        5.3        6.6        6.3
</TABLE>
 
NOTE 4--INVENTORIES
 
    Inventories are as follows:
 
<TABLE>
<CAPTION>
                                                                 DECEMBER 31,
                                                             --------------------
                                                               1995       1996
                                                             ---------  ---------  SEPTEMBER 30,
                                                                                       1997
                                                                                   -------------
                                                                                    (UNAUDITED)
<S>                                                          <C>        <C>        <C>
Raw materials..............................................  $   1,493  $     762    $   1,260
Work-in-progress...........................................        244         90           87
Finished goods.............................................        789      2,708        3,953
                                                             ---------  ---------       ------
                                                             $   2,526  $   3,560    $   5,300
                                                             ---------  ---------       ------
                                                             ---------  ---------       ------
</TABLE>
 
                                      F-9
<PAGE>
                               THRUSTMASTER, INC.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
NOTE 5--PROPERTY AND EQUIPMENT
 
    Property and equipment consists of the following:
 
<TABLE>
<CAPTION>
                                                                DECEMBER 31,
                                                            --------------------
                                                              1995       1996
                                                            ---------  ---------  SEPTEMBER 30,
                                                                                      1997
                                                                                  -------------
                                                                                   (UNAUDITED)
<S>                                                         <C>        <C>        <C>
Computers and other equipment.............................  $     752  $   1,075    $   1,540
Tooling...................................................        858      1,209        1,849
Furniture and fixtures....................................        115        230          325
                                                            ---------  ---------  -------------
                                                                1,725      2,514        3,714
Accumulated depreciation..................................       (667)    (1,433)      (1,836)
                                                            ---------  ---------  -------------
                                                            $   1,058  $   1,081    $   1,878
                                                            ---------  ---------  -------------
                                                            ---------  ---------  -------------
</TABLE>
 
NOTE 6--BANK LINE OF CREDIT
 
    At December 31, 1996, the Company had a revolving line of credit with a bank
which provides for borrowings up to the lesser of one million dollars or 75% of
eligible receivables. The Company also may borrow up to two hundred thousand
dollars to finance up to 80% of the cost of certain equipment. Interest is at
the bank's prime lending rate which was 8.25% at December 31, 1996. Borrowings
under the agreement are collateralized by substantially all of the Company's
assets. Loan covenants under the agreement include maintaining a defined level
of working capital and maximum debt to tangible net worth ratio. At December 31,
1996, the Company had no borrowings outstanding.
 
NOTE 7--ACCRUED LIABILITIES
 
    Accrued liabilities consist of the following:
 
<TABLE>
<CAPTION>
                                                                   DECEMBER 31,
                                                               --------------------
                                                                 1995       1996
                                                               ---------  ---------  SEPTEMBER 30,
                                                                                         1997
                                                                                     -------------
                                                                                      (UNAUDITED)
<S>                                                            <C>        <C>        <C>
Accrued payroll and payroll liabilities......................  $     103  $     132    $     142
Accrued bonuses..............................................        129        460           66
Warranty reserve.............................................        192        365          269
Federal and state income taxes...............................         --        977          411
Other liabilities............................................        105        377          261
                                                               ---------  ---------       ------
                                                               $     529  $   2,311    $   1,149
                                                               ---------  ---------       ------
                                                               ---------  ---------       ------
</TABLE>
 
    A portion of the compensation paid by the Company to certain officers is
determined based upon the Company's revenues and net income for the year. The
Company recorded expense of $99 in 1994, $118 in 1995, and $251 in 1996 related
to such amounts.
 
                                      F-10
<PAGE>
                               THRUSTMASTER, INC.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
NOTE 8--LONG-TERM DEBT
 
    Long-term debt is comprised of a note payable to an equipment manufacturer
payable in monthly installments of $1 with interest at 9%. The note is
collateralized by the related equipment and matures in November 1997.
 
NOTE 9--COMMITMENTS
 
The Company leases facilities under non-cancelable operating leases with
escalation clauses. The Company also leases equipment under operating leases.
The following is a schedule by years, through expiration of the lease, of future
minimum lease payments required under these leases as of December 31, 1996:
 
<TABLE>
<CAPTION>
<S>                                                                   <C>        <C>
1997................................................................  $     366
1998................................................................        368
1999................................................................        348
2000................................................................        345
2001................................................................        352
</TABLE>
 
Under the agreements for the lease of its office, production, and distribution
facilities, the Company is obligated to the lessor for its share of certain
expenses related to the use, operation, maintenance and insurance of the
property. These expenses, payable monthly in addition to the base rent, are not
included in the amounts shown above. Rental expense totaled $148, $239, and $236
for the years ended December 31, 1994, 1995, and 1996. For the nine months ended
September 30, 1996 and 1997, rental expense totaled $184 and $373, respectively.
 
NOTE 10--COMMON AND PREFERRED STOCK
 
    INITIAL PUBLIC OFFERING.  In March, 1995, the Company completed an initial
public offering of 1,552,500 shares of Common Stock which generated net proceeds
of $8,739.
 
    STOCK DIVIDEND.  In January, 1997, the Company declared a 3% stock dividend.
See Note 2.
 
    STOCK OPTION PLANS.  In July 1994, the Company adopted a new stock option
plan for employees (the "1994 Stock Option Plan") and a separate option plan for
directors (the "Directors' Stock Option Plan"). The Company reserved 400,000
shares for the 1994 Stock Option Plan and 160,000 shares for the Director's
Stock Option Plan. The 1994 Stock Option Plan provides for incentive stock
option and nonqualified options to be granted. The Company had previously made
grants under a nonqualified plan adopted in 1990 in which 1,200,000 shares had
been reserved. In July 1994, any ungranted options and any future forfeitures
under the 1990 option plan were transferred to the 1994 Stock Option Plan.
 
    The stock option plans generally require the price of options to be at the
estimated fair market value of the stock at the date of grant. Options have a
maximum duration of ten years (five years under certain circumstances) and may
be exercised in varying amounts over the vesting periods.
 
                                      F-11
<PAGE>
                               THRUSTMASTER, INC.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
NOTE 10--COMMON AND PREFERRED STOCK (CONTINUED)
    The following table summarizes stock option transactions:
 
<TABLE>
<CAPTION>
                                                                        NUMBER OF SHARES
                                                                   ---------------------------
                                                                                   AVAILABLE
                                                                   UNDER OPTION    FOR GRANT
                                                                   -------------  ------------
<S>                                                                <C>            <C>
Balance, December 31, 1993.......................................       768,000       180,000
Authorization of additional shares...............................       --            560,000
Granted ($3.00 per share)........................................        32,000       (32,000)
Exercised ($0.25 to $0.28 per share).............................          (896)       --
Canceled.........................................................       (31,904)       31,904
                                                                   -------------  ------------
Balance, December 31, 1994.......................................       767,200       739,904
Granted ($8.75 to $8.875)........................................       126,500      (126,500)
Exercised ($0.25 to $2.50 per share).............................      (207,400)       --
Canceled.........................................................        (6,100)        6,100
                                                                   -------------  ------------
Balance, December 31, 1995.......................................       680,200       619,504
Granted ($4.125 to $7.625).......................................       331,000      (331,000)
Exercised ($0.25 to $0.75 per share).............................      (164,100)       --
Canceled.........................................................      (134,500)      134,500
Effect of 3% stock dividend declared (See Note 2)................        21,378       (21,378)
                                                                   -------------  ------------
Balance, December 31, 1996.......................................       733,978       401,626
Granted ($8.617 to $8.875) (unaudited)                                  203,470      (203,470)
Exercised ($0.243 to $5.340 per share) (unaudited)...............       (40,394)
Canceled (unaudited).............................................       (35,186)       35,186
                                                                   -------------  ------------
Balance, September 30, 1997 (unaudited)..........................       861,868       233,342
                                                                   -------------  ------------
                                                                   -------------  ------------
</TABLE>
 
    The exercise price of the outstanding options at December 31, 1996 ranged
between $0.24 and $8.62 per share. The weighted average exercise price of
outstanding options was $2.69 at December 31, 1996.
 
    During 1995, warrants to purchase 139,050 shares were granted at a price of
$7.57 per share after giving effect to the stock dividend discussed in Note 2.
 
    The Company adopted the disclosure-only provisions of Statement of Financial
Accounting Standards ("SFAS") No. 123, "Accounting for Stock-Based
Compensation." Accordingly, no compensation cost has been recognized for grants
of options under the stock option plans. Had compensation cost for the Company's
two stock option plans been determined based on the fair value at the grant date
for awards in
 
                                      F-12
<PAGE>
                               THRUSTMASTER, INC.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
NOTE 10--COMMON AND PREFERRED STOCK (CONTINUED)
1995 and 1996 consistent with the provisions of SFAS No. 123, the Company's net
income and net income per share would have been reduced to the pro forma amounts
indicated below:
 
<TABLE>
<CAPTION>
                                                                             YEARS ENDED DECEMBER
                                                                                     31,
                                                                             --------------------
                                                                               1995       1996
                                                                             ---------  ---------
<S>                                                                          <C>        <C>
Net income-as reported.....................................................  $   1,361  $   2,259
Net income-pro forma.......................................................      1,304      2,173
Net income per share-as reported...........................................       0.32       0.49
Net income per share-pro forma.............................................       0.30       0.47
</TABLE>
 
NOTE 11--CONSULTING AGREEMENT
 
    In December 1993, the Company entered into a consulting agreement with a
company owned entirely by a shareholder and former chief executive officer. The
agreement terminated in February, 1996. Under the agreement, services included
providing product concepts and consulting and assistance on product design.
Payments of $189, $205, and $36 were made pursuant to the agreement in 1994,
1995, and 1996, respectively.
 
NOTE 12--INCOME TAXES
 
    Effective January 1, 1995, the Company was required to provide for deferred
taxes, arising from the cumulative temporary differences between financial
reporting and tax reporting, by recording a benefit for income taxes for such
deferred taxes in its statement of income in the period in which the Termination
Date occurred. The amount of this benefit during the year ended December 31,
1995 was $73.
 
    The Company's sales outside of the United States are primarily made through
ThrustMaster Foreign Sales Corporation ("FSC"). Sales through FSC are taxed in
the United States and are not subject to foreign income taxes.
 
                                      F-13
<PAGE>
                               THRUSTMASTER, INC.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
NOTE 12--INCOME TAXES (CONTINUED)
    The provision for income taxes is as follows:
 
<TABLE>
<CAPTION>
                                                                                                             NINE MONTHS ENDED
                                                                              YEARS ENDED DECEMBER 31,
                                                                                                               SEPTEMBER 30,
                                                                           -------------------------------  --------------------
                                                                             1994       1995       1996       1996       1997
                                                                           ---------  ---------  ---------  ---------  ---------
                                                                                (UNAUDITED                      (UNAUDITED)
                                                                                PRO FORMA
                                                                               INFORMATION)
<S>                                                                        <C>        <C>        <C>        <C>        <C>
Current:
  Federal................................................................  $     533  $     613  $   1,256  $     430  $     722
  State..................................................................        121         67        266         96         89
                                                                           ---------  ---------  ---------  ---------  ---------
  Total current..........................................................        654        680      1,522        526        811
                                                                           ---------  ---------  ---------  ---------  ---------
Deferred:
  Federal................................................................        (17)         6       (126)       (45)       (18)
  State..................................................................         (4)         1        (26)        (9)        (3)
                                                                           ---------  ---------  ---------  ---------  ---------
  Total deferred.........................................................        (21)         7       (152)       (54)       (21)
                                                                           ---------  ---------  ---------  ---------  ---------
    Total................................................................  $     633  $     687  $   1,370  $     472  $     790
                                                                           ---------  ---------  ---------  ---------  ---------
                                                                           ---------  ---------  ---------  ---------  ---------
</TABLE>
 
    A reconciliation of the statutory federal income tax rate to the Company's
pro forma effective income tax rate is as follows:
 
<TABLE>
<CAPTION>
                                                                                                           NINE MONTHS ENDED
                                                                            YEARS ENDED DECEMBER 31,
                                                                                                             SEPTEMBER 30,
                                                                         -------------------------------  --------------------
                                                                           1994       1995       1996       1996       1997
                                                                         ---------  ---------  ---------  ---------  ---------
                                                                              (UNAUDITED                      (UNAUDITED)
                                                                              PRO FORMA
                                                                             INFORMATION)
<S>                                                                      <C>        <C>        <C>        <C>        <C>
Federal statutory rate.................................................       34.0%      34.0%      34.0%      34.0%      34.0%
State income taxes, net of federal income tax benefit..................        4.4        2.2        4.4        4.4        2.6
Effect of research and development tax credit and other................       (2.7)      (2.7)       (.6)      (2.4)      (1.4)
                                                                         ---------  ---------  ---------  ---------  ---------
Effective income tax rate..............................................       35.7%      33.5%      37.8%      36.0%      35.2%
                                                                         ---------  ---------  ---------  ---------  ---------
                                                                         ---------  ---------  ---------  ---------  ---------
</TABLE>
 
    The pro forma provision for income taxes for the year ended December 31,
1995 is presented to reflect the provision as if the deferred tax asset of $73
at January 1, 1995 had been recognized in prior periods.
 
                                      F-14
<PAGE>
                               THRUSTMASTER, INC.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
NOTE 12--INCOME TAXES (CONTINUED)
    Deferred income taxes result from items of income or expense being reported
for income tax purposes in different periods than they are reported for
financial reporting purposes. The primary temporary differences that give rise
to significant portions of the deferred tax assets and liabilities are as
follows:
 
<TABLE>
<CAPTION>
                                                                                     YEARS ENDED
                                                                                     DECEMBER 31,
                                                                                 --------------------
                                                                                   1995       1996
                                                                                 ---------  ---------   NINE MONTHS
                                                                                                           ENDED
                                                                                                       SEPTEMBER 30,
                                                                                                           1997
                                                                                                       -------------
                                                                                                        (UNAUDITED)
<S>                                                                              <C>        <C>        <C>
Deferred tax asset:
  Warranty reserve, inventory reserve, and other accrued liabilities...........  $    (274) $    (624)   $    (797)
Deferred tax liability:
  Excess tax over book depreciation and amortization...........................        100         28           30
</TABLE>
 
NOTE 13--401(K) PLAN
 
    The Company has a 401(k) Plan (the "Plan") covering substantially all
employees meeting minimum service requirements. The Plan allows the Company to
make discretionary matching contributions beginning in 1995. The Company
provided discretionary contributions of $23 and $35 for the years ended December
31, 1995 and 1996, respectively.
 
                                      F-15
<PAGE>
                               THRUSTMASTER, INC.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                (DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
NOTE 14--QUARTERLY FINANCIAL INFORMATION (UNAUDITED)
 
    Selected unaudited and pro forma financial information for each of the
quarters is as follows. Pro forma net income per share and net income per share
data has been adjusted to reflect the stock dividend discussed in Note 2.
 
<TABLE>
<CAPTION>
                                                                                 THREE MONTHS ENDED
                                                                -----------------------------------------------------
                                                                 MARCH 31,    JUNE 30,    SEPTEMBER 30,  DECEMBER 31,
                                                                -----------  -----------  -------------  ------------
                                                                      (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                                             <C>          <C>          <C>            <C>
1994
  Revenues....................................................   $   2,570    $   2,608     $   3,327     $    5,077
  Cost of goods sold..........................................       1,544        1,522         1,854          3,087
  Operating expenses..........................................         822          828           939          1,215
  Net income..................................................         204          258           534            775
  Pro forma net income........................................         129          163           335            511
  Pro forma net income per share..............................   $    0.05    $    0.06     $    0.12     $     0.17
1995
  Revenues....................................................   $   3,701    $   4,277     $   5,033     $    6,404
  Cost of goods sold..........................................       2,222        2,499         2,943          4,151
  Operating expenses..........................................       1,254        1,418         1,512          1,772
  Pro forma net income........................................         173          307           475            406
  Pro forma net income per share..............................   $    0.05    $    0.07     $    0.10     $     0.09
1996
  Revenues....................................................   $   4,564    $   4,250     $   6,931     $   15,076
  Cost of goods sold..........................................       2,970        2,615         4,142          9,865
  Operating expenses..........................................       1,538        1,564         1,930          3,034
  Net income..................................................         101          111           626          1,421
  Net income per share........................................   $    0.02    $    0.02     $    0.14     $     0.30
1997
  Revenues....................................................   $   6,272    $   7,149     $  10,509
  Cost of goods sold..........................................       3,786        4,480         6,548
  Operating expenses..........................................       2,108        2,244         2,804
  Net income..................................................         289          329           836
  Net income per share........................................   $    0.06    $    0.07     $    0.17
</TABLE>
 
NOTE 15--SUBSEQUENT EVENT (UNAUDITED)
 
    The Company's bank has increased its line of credit to $5.0 million through
January 31, 1998 to meet the Company's seasonal working capital needs during the
fourth quarter of 1997. The line of credit is scheduled for review in July 1998.
At September 30, 1997, there were no borrowings outstanding and the Company was
in compliance with all bank loan covenants.
 
                                      F-16
<PAGE>
                                                                     SCHEDULE II
 
                               THRUSTMASTER, INC.
 
                       VALUATION AND QUALIFYING ACCOUNTS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                          BEGINNING    CHARGES TO    DEDUCTIONS     ENDING
                                                                YEAR       BALANCE       EXPENSE     WRITE-OFFS     BALANCE
                                                              ---------  -----------  -------------  -----------  -----------
<S>                                                           <C>        <C>          <C>            <C>          <C>
Allowance for doubtful accounts:
                                                                   1996   $       7     $     129     $    (122)   $      14
                                                                   1995      --                 8            (1)           7
                                                                   1994      --                11           (11)      --
Reserve for warranty expense and sales returns:
                                                                   1996   $     192     $     173     $  --        $     365
                                                                   1995         229        --               (37)         192
                                                                   1994         166            63        --              229
</TABLE>
 
                                      F-17
<PAGE>
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
    NO DEALER, SALESMAN OR ANY PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS
PROSPECTUS, AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT
BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY OR ANY OF THE
UNDERWRITERS. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL OR
SOLICITATION OF ANY OFFER TO BUY ANY SECURITY OTHER THAN THE SECURITIES OFFERED
BY THIS PROSPECTUS OR AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO BUY THE
SECURITIES IN ANY JURISDICTION OR TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE
SUCH OFFER OR SOLICITATION IN SUCH JURISDICTION. NEITHER THE DELIVERY OF THIS
PROSPECTUS NOR ANY SALE MADE HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE
ANY IMPLICATION THAT THE INFORMATION CONTAINED HEREIN IS CORRECT AS OF ANY TIME
SUBSEQUENT TO THE DATE HEREOF.
 
                            ------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Prospectus Summary........................................................    3
Risk Factors..............................................................    6
Use of Proceeds...........................................................   11
Price Range of Common Stock...............................................   12
Dividend Policy...........................................................   12
Capitalization............................................................   13
Selected Consolidated Financial Data......................................   14
Management's Discussion and Analysis
  of Financial Condition and Results of
  Operations..............................................................   15
Business..................................................................   22
Management................................................................   29
Certain Transactions......................................................   37
Principal and Selling Shareholder.........................................   38
Description of Capital Stock..............................................   40
Shares Eligible for Future Sale...........................................   42
Underwriting..............................................................   44
Legal Matters.............................................................   45
Experts...................................................................   45
Additional Information....................................................   46
Index to Financial Statements.............................................  F-1
</TABLE>
 
                                1,500,000 SHARES
 
                                 THRUSTMASTER,
                                      INC.
 
                                     [LOGO]
 
                                  COMMON STOCK
 
                             ---------------------
 
                                   PROSPECTUS
 
                             ---------------------
 
                              VAN KASPER & COMPANY
 
                                           , 1997
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 13.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
 
    The following table sets forth the fees and expenses, other than
underwriting discounts and commissions, payable by the Registrant in connection
with the offering described in this Registration Statement. All the expenses are
estimates, except the Securities and Exchange Commission registration fee, the
NASD filing fee and the Nasdaq National Market listing fee.
 
<TABLE>
<S>                                                                 <C>
Securities and Exchange Commission registration fee...............  $   7,743
NASD filing fee...................................................      3,056
Nasdaq National Market listing fee................................     17,500
Printing and engraving expenses...................................     80,000
Legal fees and expenses...........................................     60,000
Accounting fees and expenses......................................     25,000
Transfer Agent and Registrar fees.................................      3,500
Miscellaneous expenses............................................     53,201
                                                                    ---------
    Total.........................................................  $ 250,000
                                                                    ---------
                                                                    ---------
</TABLE>
 
ITEM 14. INDEMNIFICATION OF DIRECTORS AND OFFICERS
 
    As an Oregon corporation, the Registrant is subject to the Oregon Business
Corporation Act ("OBCA"). Article X of the Registrant's Articles of
Incorporation, as amended (the "Articles") (Exhibit 3.1 hereto) eliminates the
liability of the Registrant's directors to the Registrant or its shareholders,
except for any liability related to (i) any breach of the duty of loyalty to the
Registrant or its shareholders; (ii) acts or omissions not in good faith or that
involve intentional misconduct or a knowing violation of law; (iii) any
distribution that is unlawful under the OBCA; or (iv) any transaction from which
the director derived an improper personal benefit.
 
    Sections 60.391 and 60.407(2) of the OBCA allow corporations to indemnify
their directors and officers, respectively, against liability where the director
or officer has acted in good faith and with a reasonable belief that actions
taken were in the best interests of the corporation or at least not opposed to
the corporation's best interests and, if in a criminal proceeding, the
individual had no reasonable cause to believe the conduct in question was
unlawful. Under the OBCA, corporations may not indemnify against liability in
connection with a claim by or in the right of the corporation or for any
improper personal benefit in which the director or officer was adjudged liable
to the corporation. Sections 60.394 and 60.407(1) of the OBCA mandate
indemnification of directors and officers, respectively, for all reasonable
expenses incurred in the successful defense of any claim made or threatened,
whether or not such claim was by or in the right of the corporation. Finally,
pursuant to the Sections 60.401 and 60.407(1) of the OBCA, a court may order
indemnification in view of all the relevant circumstances, whether or not the
director or officer met the good-faith and reasonable belief standards of
conduct set out in Section 60.391 of the OBCA or was adjudged liable to the
corporation.
 
    Section 60.414 of the OBCA also provides that the statutory indemnification
provisions are not deemed exclusive of any other rights to which directors or
officers may be entitled under a corporation's articles of incorporation or
bylaws, any agreement, general or specific action of the board of directors,
vote of shareholders or otherwise.
 
    The Registrant's Amended and Restated Bylaws require indemnification of
directors and officers of the Registrant to the fullest extent not prohibited by
law. The Underwriting Agreement (Exhibit 1 hereto) provides that the
Underwriters shall indemnify each director of the Registrant, each officer of
the
 
                                      II-1
<PAGE>
Registrant who signed this Registration Statement and each person who controls
the Registrant for certain liabilities, including liabilities under the
Securities Act of 1933, as amended (the "Securities Act").
 
ITEM 15. RECENT SALES OF UNREGISTERED SECURITIES
 
    Since November 14, 1994, the Registrant has sold securities without
registration under the Securities Act in the transactions described below:
 
    1.  On October 16, 1997, the Registrant issued to Black & Company 11,811
       shares of the Registrant's common stock upon the exercise of warrants
       having an exercise price of $7.57 per share. The sale of these shares was
       exempt from registration pursuant to Section 4(2) of the Securities Act
       of 1933, as amended.
 
ITEM 16.  EXHIBITS AND FINANCIAL STATEMENTS SCHEDULES
 
    (a) Exhibits:
 
<TABLE>
<CAPTION>
EXHIBIT
 NO.   DESCRIPTION
- ------ --------------------------------------------------------------------------
<C>    <S>
  1    Form of Underwriting Agreement
 
 *3.1  Articles of Incorporation, as amended
 
**3.2  Amended and Restated Bylaws
 
 *4.1  Description of Capital Stock contained in the Articles of Incorporation,
         as amended (See Exhibit 3.1)
 
**4.2  Description of Rights of Security Holders contained in the Amended and
         Restated Bylaws (See Exhibit 3.2)
 
 *4.3  Form of Certificate for Shares of Common Stock
 
 *4.4  Form of Representatives' Warrant Agreement among the Company, Cruttenden
         Roth and Black & Company, Inc.
 
  5.1  Opinion of Perkins Coie as to the legality of the shares being registered.
 
*10.1  Consulting Agreement, dated December 1, 1993, between ThrustMaster, Inc.
         and BOCAR, Inc.
 
*10.2  1994 Incentive Compensation Plan, dated December 21, 1993
 
*10.3  Directors' Nonqualified Stock Option Plan, dated July 19, 1994
 
*10.4  1994 Stock Option Plan, dated July 19, 1994
 
 10.5  Letter agreement dated October 8, 1997 between United States National Bank
         of Oregon and ThrustMaster, Inc., regarding a revolving line of credit
 
*10.6  Voicecom Development Agreement, dated November 4, 1994, between
         ThrustMaster, Inc., and Advanced Protocol Systems, Inc.
 
***10.7 1990 Stock Option Plan
 
**10.8 Leases, dated March 13, 1996, between Pacific Realty Associates, L.P. and
         ThrustMaster, Inc., as amended
 
**10.9 Summary of 1997 Bonus Program
 
 11    Statement regarding computation of per share earnings
 
 21    List of Subsidiaries
 
 23.1  Consent of Independent Accountants (contained on page II-5)
</TABLE>
 
                                      II-2
<PAGE>
<TABLE>
<CAPTION>
EXHIBIT
 NO.   DESCRIPTION
- ------ --------------------------------------------------------------------------
<C>    <S>
 23.2  Consent of Perkins Coie (included in the legal opinion filed as Exhibit
         5.1)
 
 27    Financial Data Schedule
</TABLE>
 
- ------------------------
 
*   Incorporated by reference to the same exhibit number from the Registration
    Statement on Form SB-2 filed with the Securities and Exchange Commission on
    January 5, 1995, as amended on February 7, 1995, and February 24, 1995 (File
    No. 33-88252-LA).
 
**  Incorporated by reference to the same exhibit number from the Registrant's
    Report on Form 10-K filed with the Securities and Exchange Commission on
    March 25, 1997.
 
*** Incorporated by reference to Exhibit 4.3 to the Registration Statement on
    Form S-8 filed with the Securities and Exchange Commission on June 5, 1995
    (File No. 33-93087).
 
    (b) Financial Statement Schedules:
 
    Schedule II--Valuation and Qualifying Accounts--For each of the three years
in the period ended December 31, 1996 (included as page F-16 of the Prospectus
included in this Registration Statement).
 
ITEM 17.  UNDERTAKINGS
 
    (1) Insofar as indemnification for liabilities arising under the Securities
Act may be permitted to directors, officers and controlling persons of the
Registrant pursuant to the foregoing provisions, or otherwise, the Registrant
has been advised that, in the opinion of the Securities and Exchange Commission,
such indemnification is against public policy as expressed in the Securities Act
and is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the Registrant of expenses
incurred or paid by a director, officer or controlling person of the Registrant
in the successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Securities Act and will be governed by the final
adjudication of such issue.
 
    (2) The undersigned Registrant hereby undertakes that:
 
        (a) For purposes of determining any liability under the Securities Act,
    the information omitted from the form of prospectus filed as part of this
    Registration Statement in reliance upon Rule 430A and contained in a form of
    prospectus filed by the Registrant pursuant to Rule 424(b) (1) or (4) or
    497(h) under the Securities Act shall be deemed to be part of this
    Registration Statement as of the time it was declared effective.
 
        (b) For the purpose of determining any liability under the Securities
    Act, each post-effective amendment that contains a form of prospectus shall
    be deemed to be a new registration statement relating to the securities
    offered therein, and the offering of such securities at that time shall be
    deemed to be the initial BONA FIDE offering thereof.
 
                                      II-3
<PAGE>
                                   SIGNATURES
 
    Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Hillsboro, State of
Oregon, on November 13, 1997.
 
<TABLE>
<S>                             <C>  <C>
                                THRUSTMASTER, INC.
 
                                By:           /s/ STEPHEN A. AANDERUD
                                     -----------------------------------------
                                                Stephen A. Aanderud
                                       PRESIDENT AND CHIEF EXECUTIVE OFFICER
</TABLE>
 
                               POWER OF ATTORNEY
 
    Each person whose signature appears below constitutes and appoints C. Norman
Winningstad, Stephen A. Aanderud and Kent E. Koski, any of whom may act without
the joinder of the other, as his true and lawful attorneys-in-fact and agents
with full power of substitution and resubstitution, for him, and in his name,
place and stead, in any and all capacities to sign any and all amendments
(including post-effective amendments) and supplements to this Registration
Statement and any registration statement for the same offering that is to be
effective upon filing pursuant to Rule 462(b) under the Securities Act of 1933,
and to file the same, with all exhibits thereto, and all other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
said attorneys-in-fact and agents full power and authority to do and perform
each and every act and thing requisite and necessary to be done, as fully to all
intents and purposes as he might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents or their substitute or
substitutes may lawfully do or cause to be done by virtue hereof.
 
    Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed by the following persons in the
capacities indicated on November 13, 1997.
 
  /s/ C. NORMAN WINNINGSTAD
- ------------------------------  Chairman of the Board
    C. Norman Winningstad
 
                                Director, President and
   /s/ STEPHEN A. AANDERUD        Chief Executive Officer
- ------------------------------    (principal executive
     Stephen A. Aanderud          officer)
 
                                Vice President, Finance
                                  and Administration,
      /s/ KENT E. KOSKI           Chief Financial Officer
- ------------------------------    and Secretary (principal
        Kent E. Koski             financial and accounting
                                  officer)
 
                                      II-4
<PAGE>
<TABLE>
<C>                             <S>                         <C>
     /s/ ROBERT L. CARTER
- ------------------------------  Director
       Robert L. Carter
 
    /s/ GRAHAM E. DORLAND
- ------------------------------  Director
      Graham E. Dorland
 
    /s/ MERRILL A. MCPEAK
- ------------------------------  Director
      Merrill A. McPeak
 
     /s/ G. GERALD PRATT
- ------------------------------  Director
       G. Gerald Pratt
 
     /s/ MILTON R. SMITH
- ------------------------------  Director
       Milton R. Smith
 
- ------------------------------
     Frederick M. Stevens       Director
</TABLE>
 
                                      II-5
<PAGE>
                       CONSENT OF INDEPENDENT ACCOUNTANTS
 
    We consent to the reference under the captions "Selected Consolidated
Financial Data" and "Experts" and to the use of our report dated July 24, 1997
on the consolidated financial statements of ThrustMaster, Inc. in the
Registration Statement on Form S-1 and related Prospectus of ThrustMaster, Inc.
for the registration of its Common Stock.
 
                                          /s/ COOPERS & LYBRAND L.L.P.
 
Portland, Oregon
November 14, 1997
 
                                      II-6
<PAGE>
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
EXHIBIT NO.  DESCRIPTION
- -----------  --------------------------------------------------------------------------------------------
<C>          <S>                                                                                           <C>
       1     Form of Underwriting Agreement
 
      *3.1   Articles of Incorporation, as amended
 
     **3.2   Amended and Restated Bylaws
 
      *4.1   Description of Capital Stock contained in the Articles of Incorporation, as amended (See
               Exhibit 3.1)
 
     **4.2   Description of Rights of Security Holders contained in the Amended and Restated Bylaws (See
               Exhibit 3.2)
 
      *4.3   Form of Certificate for Shares of Common Stock
 
      *4.4   Form of Representatives' Warrant Agreement among the Company, Cruttenden Roth and Black &
               Company, Inc.
 
       5.1   Opinion of Perkins Coie, as to the legality of the shares being registered.
 
     *10.1   Consulting Agreement, dated December 1, 1993, between ThrustMaster, Inc. and BOCAR, Inc.
 
     *10.2   1994 Incentive Compensation Plan, dated December 21, 1993
 
     *10.3   Directors' Nonqualified Stock Option Plan, dated July 19, 1994
 
     *10.4   1994 Stock Option Plan, dated July 19, 1994
 
      10.5   Letter agreement dated October 8, 1997 between United States National Bank of Oregon and
               ThrustMaster, Inc., regarding a revolving line of credit
 
     *10.6   Voicecom Development Agreement, dated November 4, 1994, between ThrustMaster, Inc., and
               Advanced Protocol Systems, Inc.
 
   ***10.7   1990 Stock Option Plan
 
    **10.8   Leases, dated March 13, 1996, between Pacific Realty Associates, L.P. and ThrustMaster,
               Inc., as amended
 
    **10.9   Summary of 1997 Bonus Program
 
      11     Statement regarding computation of per share earnings
 
      21     List of Subsidiaries
 
      23.1   Consent of Independent Accountants (contained on page II-5)
 
      23.2   Consent of Perkins Coie (included in the legal opinion filed as Exhibit 5.1)
 
      27     Financial Data Schedule
</TABLE>
 
- ------------------------
 
*   Incorporated by reference to the same exhibit number from the Registration
    Statement on Form SB-2 filed with the Securities and Exchange Commission on
    January 5, 1995, as amended on February 7, 1995, and February 24, 1995 (File
    No. 33-88252-LA).
 
**  Incorporated by reference to the same exhibit number from the Registrant's
    Report on Form 10-K filed with the Securities and Exchange Commission on
    March 25, 1997.
 
*** Incorporated by reference to Exhibit 4.3 to the Registration Statement on
    Form S-8 filed with the Securities and Exchange Commission on June 5, 1995
    (File No. 33-93087).
 
                                      II-7


<PAGE>

                              THRUSTMASTER, INC.
                            (an Oregon Corporation)
                        1,500,000 Shares of Common Stock
 
                             UNDERWRITING AGREEMENT

                                              December *__*, 1997

VAN KASPER & COMPANY
As Representative of the several
Underwriters named in Schedule I,
11661 San Vincente Boulevard, Suite 709
Los Angeles, California 90049

Ladies and Gentlemen:

     ThrustMaster, Inc., an Oregon corporation (the "Company"), proposes to 
issue and sell 1,200,000 shares of its Common Stock (the "Common Stock"), and 
the shareholders named in Schedule II hereto (the "Selling Shareholders"), 
acting severally and not jointly, propose to sell an aggregate of 300,000 
shares of Common Stock (collectively, the "Firm Stock") to the several 
Underwriters named in Schedule I hereto (the "Underwriters", which term shall 
also include any underwriter purchasing Stock pursuant to Section 8 hereof). 
The Company proposes to grant to the Underwriters an option to purchase up to 
an additional 225,000 shares of the Common Stock on the terms and for the 
purposes set forth in Section 2(b) (the "Option Stock").  The Firm Stock and 
any Option Stock purchased pursuant to this Agreement are referred to below 
as the "Stock." Van Kasper & Company is acting as representative of the 
several Underwriters and in that capacity is referred to in this Agreement as 
the "Representative."

     The Company hereby confirms its agreement with respect to the purchase 
of the Stock by the several Underwriters as set forth below.

     1.   REPRESENTATIONS AND WARRANTIES OF THE COMPANY AND THE SELLING 
SHAREHOLDERS.

     (a)  The Company hereby represents and warrants to, and agrees with, 
each Underwriter as follows:

          (i)  A Registration Statement (Registration No. 333- *____* ) on 
Form S-1 under the Securities Act of 1933, as amended (the "Securities Act"), 
including such amendments to such registration statement as may have been 
required to the date of this Agreement, relating to the Stock has been 
prepared by the Company under and in conformity with the provisions of the 
Securities Act and the rules and regulations (the "Rules and Regulations") of 
the Securities and Exchange Commission (the "Commission") thereunder and has 
been filed with the Commission. After the execution of this Agreement, the 
Company will file with the Commission either (A) if such registration 
statement, as it may have been amended, has been declared by the Commission 
to be effective under the Securities Act, either (I) if the Company relies on 
Rule 434 

<PAGE>

under the Securities Act, a Term Sheet (defined below) relating to the Stock, 
that identifies the Preliminary Prospectus (defined below) that it 
supplements and contains such information as is required or permitted by 
Rules 434, 430A and 424(b) of the Rules and Regulations or (II) if the 
Company does not rely on Rule 434 under the Securities Act, a prospectus in 
the form most recently included in an amendment to such registration 
statement (or, if no such amendment has been filed, in such registration 
statement), with such changes or insertions as are required by Rule 430A of 
the Rules and Regulations or permitted by Rule 424(b) of the Rules and 
Regulations, and in the case of either (i)(A) or (i)(B) of this sentence, as 
has been provided to and approved by the Representative prior to the 
execution of this Agreement, or (B) if such registration statement, as it may 
have been amended, has not been declared by the Commission to be effective 
under the Securities Act, an amendment to such registration statement, 
including a form of prospectus, a copy of which amendment has been furnished 
to and approved by the Representative prior to the execution of this 
Agreement.  As used in this Agreement, the term "Registration Statement" 
means such registration statement, as amended at the time when it was or is 
declared effective, including all financial schedules, exhibits thereto and 
all documents incorporated by reference therein and including any information 
omitted therefrom pursuant to Rule 430A of the Rules and Regulations and 
included in the Prospectus (defined below), as well as any additional 
registration statement filed in connection with the offering of the Stock 
pursuant to Rule 462(b) under the Securities Act; the term "Preliminary 
Prospectus" means each prospectus subject to completion filed with such 
registration statement or any amendment thereto (including the prospectus 
subject to completion, if any, included in the Registration Statement or any 
amendment thereto at the time it was or is declared effective); the term 
"Prospectus" means:

               (A)  if the Company relies on Rule 434 under the Securities Act,
the Term Sheet relating to the Securities that is first filed pursuant to Rule
424(b)(7) under the Securities Act, together with the Preliminary Prospectus
identified therein that such Term Sheet supplements;

               (B)  if the Company does not rely on Rule 434 under the
Securities Act, the prospectus first filed with the Commission pursuant to Rule
424(b) under the Securities Act; or

               (C)  if the Company does not rely on Rule 434 under the
Securities Act and if no prospectus is required to be filed pursuant to Rule
424(b) under the Securities Act, the prospectus included in the Registration
Statement;

provided that if any revised prospectus that is provided to the Underwriters by
the Company for "use in connection with the offering of the Stock" differs from
the prospectus on file with the Commission at the time the Registration
Statement became or becomes, as the case may be, effective, whether or not the
revised prospectus is required to be filed with the Commission pursuant to Rule
424(b)(3) of the Rules and Regulations, the term "Prospectus" shall mean such
revised prospectus from and after the time it is first provided to the
Underwriters for such use.  The term "Term Sheet" as used in this Agreement
means any term sheet that satisfies the 

                                      -2-

<PAGE>

requirements of Rule 434 under the Securities Act.  Any reference in this 
Agreement to the "date" of a prospectus that includes a Term Sheet means the 
date of such Term Sheet.

          (ii) No order suspending the effectiveness of the Registration
Statement or preventing or suspending the use of any Preliminary Prospectus or
the Prospectus has been issued and no proceedings for that purpose are pending
or, to the best knowledge of the Company, threatened or contemplated by the
Commission; no order suspending the sale of the Stock in any jurisdiction has
been issued and no proceedings for that purpose are pending or, to the best
knowledge of the Company, threatened or contemplated, and any request of the
Commission for additional information (to be included in the Registration
Statement, any Preliminary Prospectus or the Prospectus or otherwise) has been
complied with.

          (iii) When any Preliminary Prospectus was filed with the Commission 
it (A) contained all statements required to be contained therein and complied 
in all respects with the requirements of the Securities Act, the Rules and 
Regulations, the Securities Exchange Act of 1934, as amended (the "Exchange 
Act"), and the rules and regulations of the Commission thereunder (the 
"Exchange Act Rules and Regulations") and (B) did not include any untrue 
statement of a material fact or omit to state any material fact necessary in 
order to make the statements therein, in the light of the circumstances under 
which they were made, not misleading.  When the Registration Statement or any 
amendment thereto was or is declared effective, it (A) contained or will 
contain all statements required to be contained therein and complied or will 
comply in all respects with the requirements of the Securities Act, the Rules 
and Regulations, the Exchange Act and the Exchange Act Rules and Regulations 
and (B) did not or will not include any untrue statement of a material fact 
or omit to state any material fact necessary to make the statements therein 
not misleading.  When the Prospectus or any amendment or supplement to the 
Prospectus is filed with the Commission pursuant to Rule 424(b) (or, if the 
Prospectus or such amendment or supplement is not required to be so filed, 
when the Registration Statement or the amendment thereto containing such 
amendment or supplement to the Prospectus was or is declared effective) and 
at all times subsequent thereto up to and including the Closing Date (defined 
below) and any date on which Option Stock is to be purchased, the Prospectus, 
as amended or supplemented at any such time, (A) contained or will contain 
all statements required to be contained therein and complied or will comply 
in all respects with the requirements of the Securities Act, the Rules and 
Regulations, the Exchange Act and the Exchange Act Rules and Regulations and 
(B) did not or will not include any untrue statement of a material fact or 
omit to state any material fact necessary in order to make the statements 
therein, in the light of the circumstances under which they were made, not 
misleading.  The foregoing provisions of this paragraph (iii) do not apply to 
statements or omissions made in any Preliminary Prospectus, the Registration 
Statement or any amendment thereto or the Prospectus or any amendment or 
supplement thereto in reliance upon and in conformity with written 
information furnished to the Company by any Underwriter through the 
Representative specifically for use therein.

          (iv) The Company and each of its subsidiaries have been duly 
incorporated and are validly existing as a corporation in good standing under 
the laws of the jurisdiction of its incorporation, has full power (corporate 
and other) and authority to own or lease its properties 


                                      -3-

<PAGE>

and conduct its business as described in the Registration Statement and the 
Prospectus (or, if the Prospectus is not in existence, the most recent 
Preliminary Prospectus) and as currently being conducted and proposed to be 
conducted by it and is duly qualified as a foreign corporation and in good 
standing in all jurisdictions in which the character of the property owned or 
leased or the nature of the business transacted by it makes qualification 
necessary (except where the failure to be so qualified would not have a 
material effect on the business, properties, condition (financial or 
otherwise), results of operations or prospects of the Company or its 
subsidiaries).  Each of the Company and each of its subsidiaries are in 
possession of and operating in compliance with all authorizations, licenses, 
certificates, consents, orders and permits from federal, state, local, 
foreign and other governmental or regulatory authorities that are material to 
the conduct of its business, all of which are valid and in full force and 
effect.  Except as may be disclosed in the Registration Statement, the 
Company owns all of the outstanding capital stock of each of its 
subsidiaries, free and clear of any pledge, lien, security interest, 
encumbrance, claim or equitable interest of any type, kind or nature.  None 
of the subsidiaries of the Company is a "significant subsidiary" as such term 
is defined in Rule 405 under the Securities Act.  As used in this Agreement, 
the word "subsidiary" means any corporation, partnership, limited liability 
company or other entity of which the Company directly or indirectly owns 50% 
or more of the equity or that the Company directly or indirectly controls.  
The Company does not have any subsidiaries that are not corporations.

          (v) Since the respective dates as of which information is given in 
the Registration Statement and the Prospectus (or, if the Prospectus is not 
in existence, the most recent Preliminary Prospectus), there has not been any 
material loss or interference with the business of the Company or any of its 
subsidiaries from fire, explosion, flood, volcano, tidal wave, earthquake or 
other calamity, whether or not covered by insurance, or from any court or 
governmental action, order or decree, or any changes in the capital stock or 
long-term debt of the Company or any of its subsidiaries, or any dividend or 
distribution of any kind declared, paid or made on the capital stock of the 
Company, or any material change, or a development known to the Company that 
might cause or result in a material change, in or affecting the business, 
properties, condition (financial or otherwise), results of operation or 
prospects of the Company and its subsidiaries taken as a whole, whether or 
not arising from transactions in the ordinary course of business, in each 
case other than as may be set forth in the Registration Statement and the 
Prospectus (or, if the Prospectus is not in existence, the most recent 
Preliminary Prospectus), and since such dates, except in the ordinary course 
of business, neither the Company nor any of its subsidiaries has entered into 
any material transaction not described in the Registration Statement and the 
Prospectus (or, if the Prospectus is not in existence, the most recent 
Preliminary Prospectus).

          (vi) There is no agreement, contract, license, lease or other 
document required to be described in the Registration Statement or the 
Prospectus (or, if the Prospectus is not in existence, the most recent 
Preliminary Prospectus) or to be filed as an exhibit to the Registration 
Statement which is not described or filed as required.  All contracts 
described in the Prospectus (or, if the Prospectus is not in existence, the 
most recent Preliminary Prospectus), if any, are in full force and effect on 
the date hereof, and neither the Company nor any of its subsidiaries nor, 

                                      -4-

<PAGE>

to the best knowledge of the Company, any other party thereto is, or with the 
giving of notice or the passage of time or both would be, in material breach 
of or default under any such contract.

          (vii) The authorized, issued and outstanding capital stock of the 
Company is as set forth in the Prospectus (or, if the Prospectus is not in 
existence, the most recent Preliminary Prospectus), and the description of 
the capital stock therein conforms with and accurately describes the rights 
set forth in the instruments defining the same.  The shares of the Stock have 
been duly and validly authorized, is (or, in the case of shares of the Stock 
to be sold by the Company, will be, when issued and delivered against payment 
therefor as provided herein) duly and validly issued, fully paid and 
non-assessable, and conforms to the description thereof in the Prospectus 
(or, if the Prospectus is not in existence, the most recent Preliminary 
Prospectus). The issuance of the shares of Stock by the Company is not 
subject to any preemptive or similar rights.  No further approval or 
authority of the shareholders or the Board of Directors of the Company will 
be required for the transfer and sale of the Stock to be sold by the Selling 
Shareholders or the issuance and sale of the Stock contemplated herein.

          (viii) All of the outstanding shares of capital stock of the 
Company have been duly authorized and validly issued and are fully paid and 
nonassessable, have been issued in compliance with all applicable federal and 
state securities laws and were not issued in violation of or subject to any 
preemptive rights or other rights to subscribe for or purchase securities.  
All of the issued shares of capital stock of each subsidiary of the Company 
have been duly and validly authorized and issued, are fully paid and 
non-assessable and are owned by the Company, free and clear of all liens or 
encumbrances.  The description of the Company's stock option, stock bonus and 
other stock plans or arrangements, and the options or other rights granted or 
exercised thereunder, set forth in the Prospectus (or, if the Prospectus is 
not in existence, the most recent Preliminary Prospectus), accurately and 
fairly present the information required to be shown with respect to such 
plans, arrangements, options and rights.  Other than this Agreement and the 
options and warrants to purchase the Common Stock described in the 
Prospectus, there are no options, warrants or other rights outstanding to 
subscribe for or purchase any shares of the Company's capital stock.  There 
are no preemptive rights applicable to any shares of capital stock of the 
Company.

          (ix) The Company has full right, power and authority to enter into 
this Agreement and to carry out all the terms and provisions hereof.  This 
Agreement has been duly authorized, executed and delivered by the Company, 
and constitutes the valid and binding obligation of the Company, enforceable 
against it in accordance with its terms, except as rights to indemnification 
hereunder may be limited by applicable federal or state securities laws.  The 
filing of the Registration Statement does not give rise to any rights, other 
than those which have been waived, for or relating to the registration of any 
capital stock of the Company.

          (x) Neither the Company nor any of its subsidiaries is, or with the 
giving of notice or lapse of time or both would be, in violation of or in 
default under, nor will the execution or delivery of this Agreement or the 
completion of the transactions contemplated by this Agreement result in a 
violation of or constitute a breach of or a default (including without 

                                      -5-

<PAGE>

limitation with the giving of notice, the passage of time or otherwise) 
under, the certificate or articles of incorporation, bylaws or other 
governing documents of the Company or any of its subsidiaries or any 
obligation, agreement, covenant or condition contained in any bond, 
debenture, note or other evidence of indebtedness or in any contract, 
indenture, mortgage, deed of trust, loan agreement, lease, license, joint 
venture or other agreement or instrument to which the Company or any of its 
subsidiaries is a party or by which any of its or their properties may be 
bound or affected.  Except as set forth in the Prospectus (or if the 
Prospectus is not in existence, the most recent Preliminary Prospectus), the 
Company has not incurred any liability, direct or indirect, for any finders' 
or similar fees payable on behalf of the Company or the Underwriters in 
connection with the transactions contemplated by this Agreement.  The 
performance by the Company of its obligations under this Agreement will not 
violate any law, ordinance, rule or regulation, or any order, writ, 
injunction, judgment or decree of any governmental agency or body or of any 
court having jurisdiction over the Company, its subsidiaries or any of their 
respective properties, or result in the creation or imposition of any lien, 
charge, claim or encumbrance upon any property or asset of the Company or any 
of its subsidiaries.  Except for permits and similar authorizations required 
under the Securities Act, the Exchange Act or under other securities or Blue 
Sky laws of certain jurisdictions and for such permits and authorizations 
that have been obtained, no consent, approval, authorization or order of any 
court, governmental agency or body, financial institution or any other person 
is required in connection with the completion of the transactions 
contemplated by this Agreement.

          (xi) The Company and each of its subsidiaries owns, or has valid 
rights to use, all items of real and personal property which are material to 
the business of the Company and its subsidiaries taken as a whole and free 
and clear of all liens, encumbrances and claims that might materially 
interfere with the business, properties, condition (financial or otherwise), 
results of operations or prospects of the Company and its subsidiaries taken 
as a whole.

          (xii) Each of the Company and each of its subsidiaries owns or 
possesses adequate rights to use all material patents, patent rights, 
inventions, trade secrets, know-how, trademarks, service marks, trade names 
and copyrights described or referred to in the Registration Statement and the 
Prospectus (or, if the Prospectus is not in existence, the most recent 
Preliminary Prospectus) as owned by or used by any of them, or which are 
necessary for the conduct of their business as described in the Registration 
Statement and the Prospectus (or, if the Prospectus is not in existence, the 
most recent Preliminary Prospectus); and, except as set forth in the 
Prospectus (or if the Prospectus is not in existence, the most recent 
Preliminary Prospectus), neither the Company nor any of its subsidiaries has 
received any notice of infringement of or conflict with asserted rights of 
others with respect to any patents, patent rights, inventions, trade secrets, 
know-how, trademarks, service marks, tradenames or copyrights which, singly 
or in the aggregate, if the subject of an unfavorable decision, ruling or 
finding, might have a material effect on the business, properties, condition 
(financial or otherwise), results of operations or prospects of the Company 
and its subsidiaries taken as a whole.

          (xiii) There is no litigation or governmental proceeding to which 
the Company or any of its subsidiaries is a party or to which any property of 
the Company or any of its 

                                      -6-

<PAGE>

subsidiaries is subject which is pending or, to the best knowledge of the 
Company, is threatened or contemplated against the Company or any of its 
subsidiaries that might have a material effect on the business, properties, 
condition (financial or otherwise), results of operations or prospects of the 
Company and its subsidiaries taken as a whole, that might prevent 
consummation of the transactions contemplated by this Agreement or that are 
required to be disclosed in the Registration Statement or Prospectus (or, if 
the Prospectus is not in existence, in the most recent Preliminary 
Prospectus) and are not so disclosed.

          (xiv) Neither the Company nor any of its subsidiaries is in 
violation of, and neither the Company nor any of its subsidiaries has 
received any notice or claim from any governmental agency or third party that 
any of them is in violation of, any law, order, ordinance, rule or 
regulation, or any order, writ, injunction, judgment or decree of any agency 
or body or of any court, to which it or its properties (whether owned or 
leased) may be subject, which violation might have a material effect on the 
business, properties, condition (financial or otherwise), results of 
operations or prospects of the Company and its subsidiaries taken as a whole.

          (xv) The Company has not taken and shall not take, directly or 
indirectly, any action designed to cause or result in, or which has 
constituted or which might reasonably be expected to cause or result in, 
under the Exchange Act, the Exchange Act Rules and Regulations or otherwise, 
the stabilization or manipulation of the price of any security of the Company 
to facilitate the sale or resale of the Stock.  No bid or purchase by the 
Company and, to the best knowledge of the Company, no bid or purchase that 
could be attributed to the Company (as a result of bids or purchases by an 
"affiliated purchaser" within the meaning of Rule 10b-6 under the Exchange 
Act) for or of the Stock, the Common Stock, any securities of the same class 
or series as the Common Stock or any securities convertible into or 
exchangeable for or that represent any right to acquire the Common Stock is 
now pending or in progress or will have commenced at any time prior to the 
completion of the distribution of the Stock.

          (xvi) Coopers & Lybrand LLP, whose reports appear in the 
Registration Statement and the Prospectus, are, and during the periods 
covered by their reports in the Registration Statement were, independent 
accountants as required by the Securities Act and the Rules and Regulations.  
The financial statements and schedules included in the Registration 
Statement, each Preliminary Prospectus and the Prospectus present fairly (or, 
if the Prospectus has not been filed with the Commission, as to the 
Prospectus, will present fairly) the financial condition, results of 
operations, cash flow and changes in stockholders' equity and the financial 
statements and schedules included in the Registration Statement present 
fairly the financial information required to be stated therein.  Such 
financial statements, schedules and information have been prepared in 
accordance with generally accepted accounting principles applied on a 
consistent basis throughout the periods presented.  The selected and summary 
financial and statistical data included in the Registration Statement and the 
Prospectus present fairly (or, if the Prospectus has not been filed with the 
Commission, as to the Prospectus, will present fairly) the financial 
information shown therein and have been compiled on a basis consistent with 
the audited financial statements presented therein.  No other financial 
information, statements or schedules are required to be included in the 
Registration Statement.

                                      -7-

<PAGE>

          (xvii) The books, records and accounts of the Company and each of 
its subsidiaries accurately and fairly reflect, in reasonable detail, the 
transactions in and dispositions of the assets of the Company and each of its 
subsidiaries.  The systems of internal accounting controls maintained by the 
Company and each of its subsidiaries are sufficient to provide reasonable 
assurances that: (A) transactions are executed in accordance with 
management's general or specific authorization; (B) transactions are recorded 
as necessary (x) to permit preparation of financial statements in conformity 
with generally accepted accounting principles and (y) to maintain 
accountability for assets; (C) access to assets is permitted only in 
accordance with management's general or specific authorization; and (D) the 
recorded accountability for assets is compared with the existing assets at 
reasonable intervals and appropriate action is taken with respect to any 
differences.

          (xviii) The Company will not, and the Company has delivered to the 
Representative the written agreement of each of its officers and directors 
and all persons who own more than 1% of the outstanding shares of Common 
Stock (collectively, "Material Holders") to the effect that each of the 
Material Holders will not, in each case for a period of 80 days following the 
date of this Agreement, in each case without the prior written consent of the 
Representative, offer, sell or contract to sell, or otherwise dispose of, or 
announce the offer of, any Common Stock, without the prior written consent of 
the Representative, except that:  (A) the Company may grant options in the 
ordinary course pursuant to its stock option plans and issue shares of Common 
Stock upon exercise thereof; and (B) the Representative will allow sales of 
up to 40,000 shares of Common Stock 60 days after the date of this Agreement.

          (xix) No labor disturbance by the employees of the Company or any 
of its subsidiaries exists, is imminent or, to the best knowledge of the 
Company, is contemplated or threatened; and the Company is not aware of an 
existing, imminent or threatened labor disturbance by the employees of any 
principal suppliers, contract manufacturing organizations, manufacturers, 
authorized dealers or distributors that might be expected to result in any 
material change in the business, properties, condition (financial or 
otherwise), results of operations or prospects of the Company and its 
subsidiaries taken as a whole.  No collective bargaining agreement exists 
with any of the Company's or any of the Company's subsidiaries' employees 
and, to the best knowledge of the Company, no such agreement is imminent.

          (xx) The Company and each of its subsidiaries are insured by 
insurers of recognized financial responsibility against such losses and risks 
and in such amounts as are prudent and customary in the businesses in which 
they are engaged; neither the Company nor any such subsidiary has been 
refused any insurance coverage sought or applied for; and neither the Company 
nor any such subsidiary has any reason to believe that it will not be able to 
renew its existing insurance coverage as and when such coverage expires or to 
obtain similar coverage from similar insurers as may be necessary to continue 
its business at a cost that would not materially and adversely affect the 
condition (financial or otherwise), business prospects, net worth or results 
of operations of the Company and its subsidiaries, except as described in or 

                                      -8-

<PAGE>

contemplated by the Prospectus (or, if the Prospectus is not in existence, 
the most recent Preliminary Prospectus).

          (xxi) Each of the Company and each of its subsidiaries has filed 
all federal, state, local and foreign tax returns that are required to be 
filed or has requested extension thereof and has paid all taxes, including 
withholding taxes, penalties and interest, assessments, fees and other 
charges to the extent that the same have become due and payable.  No tax 
assessment or deficiency has been made or proposed against the Company or any 
of its subsidiaries nor has the Company or any of its subsidiaries received 
any notice of any proposed tax assessment or deficiency.

          (xxii) Except as set forth in the Prospectus (or if the Prospectus 
is not in existence, the most recent Preliminary Prospectus) there are no 
outstanding loans, advances or guaranties of indebtedness by the Company to 
or for the benefit of any of (A) its "affiliates," as such term is deemed in 
the Rules and Regulations, (B) any of the officers or directors of any of its 
subsidiaries or (C) any of the members of the families of any of them.

          (xxiii) Neither the Company nor any of its subsidiaries has, 
directly or indirectly, at any time: (A) made any contributions to any 
candidate for political office in violation of law; (B) made any payment to 
any local, state, federal or foreign governmental officer or official, or 
other person charged with similar public or quasi-public duties; or (C) 
violated any provision of the Foreign Corrupt Practices Act of 1977, as 
amended.

          (xxiv) Except as may be disclosed in the Registration Statement and 
Prospectus (or, if the Prospectus is not in existence, the most recent 
Preliminary Prospectus) neither the Company nor any of its subsidiaries has 
any liability, absolute or contingent, relating to: (A) public health or 
safety; (B) worker health or safety; or (C) workers' compensation insurance 
premiums.

          (xxv) The Company has not distributed and will not distribute prior 
to the Closing Date or on or prior to any date on which the Option Stock is 
to be purchased, as the case may be, any prospectus or other offering 
material in connection with the offering and sale of the Stock other than the 
Prospectus, the Registration Statement and any other material which may be 
permitted by the Securities Act and the Rules and Regulations.

          (xxvi) Since March 3, 1995, the Company has filed in a timely 
manner all reports and other documents required to be filed with the 
Commission under the Exchange Act and with the National Association of 
Securities Dealers, Inc. (the "NASD"), and each such report or other document 
contained, at the time it was filed, such information as was required to be 
included in such report or other document and all such information was 
correct and complete in all material respects; to the Company's best 
knowledge, except as disclosed in the Registration Statement, no event has 
occurred or is likely to occur that required or would require an amendment to 
any report or document referred to in this section that has not been filed or 
distributed as required.

                                      -9-

<PAGE>

          (xxvii) The Stock has been approved for inclusion for listing on 
the Nasdaq National Market, subject only to official notice of issuance.

          (xxviii) The Company is not now, and intends to conduct its affairs 
in the future in such a manner so that it will not become, an investment 
company within the meaning of the Investment Company Act of 1940, as amended.

          (xxix) The Company is in compliance in all material respects with 
all presently applicable provisions of the Employee Retirement Income 
Security Act of 1974, as amended, including the regulations and published 
interpretations thereunder ("ERISA"); no "reportable event" (as defined in 
ERISA) for which the Company would have any liability has occurred; the 
Company has not incurred and does not expect to incur liability under (i) 
Title IV of ERISA with respect to termination of, or withdrawal from, any 
"pension plan" or (ii) Sections 412 or 4971 of the Internal Revenue Code of 
1986, as amended, including the regulations and published interpretations 
thereunder (the "Code"); and each "pension plan" for which the Company would 
have any liability that is intended to be qualified under Section 401(a) of 
the Code is so qualified in all material respects and nothing has occurred, 
whether by action or by failure to act, which would cause the loss of such 
qualification.

          (xxx) Except as may be disclosed in the Registration Statement and 
Prospectus (or, if the Prospectus is not in existence, the most recent 
Preliminary Prospectus) neither the Company nor any of its subsidiaries has 
any liability, absolute or contingent, relating to pollution, damage to or 
protection of the environment, including, without limitation, relating to 
damage to natural resources, emissions, discharges, releases or threatened 
releases of hazardous materials into the environment (including, without 
limitation, ambient air, surface water, groundwater, land surface or 
subsurface strata) or otherwise relating to the manufacture, processing, use, 
treatment, storage, generation, disposal, transport or handling of any 
hazardous materials.  There has been no storage, disposal, generation, 
manufacture, refinement, transportation, handling or treatment of toxic 
wastes, medical wastes, hazardous wastes or hazardous substances by the 
Company or any of its subsidiaries (or, to the best knowledge of the Company, 
any of their predecessors in interest) at, upon or from any of the property 
now or previously owned or leased by the Company or its subsidiaries in 
violation of any applicable law, ordinance, rule, regulation, order, 
judgment, decree or permit or which would require remedial action under any 
applicable law, ordinance, rule, regulation, order, judgment, decree or 
permit, except for any violation or remedial action which would not have, or 
could not be reasonably likely to have, singularly or in the aggregate with 
all such violations and remedial actions, a material effect on the general 
affairs, management, financial position, stockholders' equity or results of 
operations of the Company and its subsidiaries taken as a whole; there has 
been no material spill, discharge, leak, emission, injection, escape, dumping 
or release of any kind onto such property or into the environment surrounding 
such property of any toxic wastes, medical wastes, solid wastes, hazardous 
wastes or hazardous substances due to or caused by the Company or any of its 
subsidiaries or with respect to which the Company or any of its subsidiaries 
have knowledge, except for any such spill, discharge, leak, emission, 
injection, escape, dumping or release which would not have or would not be 
reasonably likely to have, singularly or in the 

                                      -10-

<PAGE>


aggregate with all such spills, discharges, leaks, emissions, injections, 
escapes, dumpings and releases, a material effect on the general affairs, 
management, financial position, stockholders' equity or results of operations 
of the Company and its subsidiaries taken as a whole.  As used herein, 
"hazardous material" includes chemical substances, wastes, pollutants, 
contaminants, hazardous or toxic substances, constituents, materials or 
wastes, whether solid, gaseous or liquid in nature.; and the terms "hazardous 
wastes," "toxic wastes," "hazardous substances" and "medical wastes" shall 
have the meanings specified in any applicable local, state, federal and 
foreign laws or regulations with respect to environmental protection.

     (b)  Each Selling Shareholder severally and not jointly represents and
warrants to, and agrees with, each of the several Underwriters that:

          (i)  Such Selling Shareholder, if other than a natural person, has
been duly incorporated and is validly existing and in good standing under the
laws of the jurisdiction of its organization as the type of entity that it
purports to be; such Selling Shareholder has full right, power and authority to
enter into this Agreement and to sell, assign, transfer and deliver to the
Underwriters the Stock to be sold by such Selling Shareholder hereunder in
accordance with the terms of this Agreement; and this Agreement has been duly
executed and delivered by such Selling Shareholder and constitutes the valid
and binding obligation of such Selling Shareholder, enforceable against it in
accordance with its terms, except as rights to indemnification hereunder may be
limited by applicable federal or state securities laws.

          (ii) Such Selling Shareholder has duly executed and delivered a power
of attorney and custody agreement (with respect to such Selling Shareholder,
the "Power-of-Attorney" and the "Custody Agreement", respectively), each in the
form heretofore delivered to the Selling Shareholders, appointing *[NAME]* and
*[NAME]* and each of them as such Selling Shareholder's attorneys-in-fact (the
"Attorneys-in-Fact") with authority to execute, deliver and perform this
Agreement on behalf of such Selling Shareholder and appointing U.S. Stock
Transfer Corporation as custodian thereunder (the "Custodian").  Certificates
in negotiable form, endorsed in blank or accompanied by blank stock powers duly
executed, with signatures appropriately guaranteed, representing the Stock to
be sold by such Selling Shareholder hereunder have been deposited with the
Custodian pursuant to the Custody Agreement for the purpose of delivery
pursuant to this Agreement.  Such Selling Shareholder has full power to enter
into the Custody Agreement and the Power-of-Attorney and to perform its
obligations under the Custody Agreement.  The Custody Agreement and the
Power-of-Attorney have been duly executed and delivered by such Selling
Shareholder and, assuming due authorization, execution and delivery by the
Custodian, are the legal, valid, binding and enforceable instruments of such
Selling Shareholder.  Such Selling Shareholder agrees that each of the shares
of Stock represented by the certificates on deposit with the Custodian is
subject to the interests of the Underwriters hereunder, that the arrangements
made for such custody, the appointment of the Attorneys-in-Fact and the right,
power and authority of the Attorneys-in-Fact, and each of them acting alone, to
execute and deliver this Agreement, to agree on the price at which the Stock
(including such Selling Shareholder's Stock) is to be sold to the Underwriters,
and to carry out the terms of this Agreement, are to that extent irrevocable
and that the 

                                  -11-
<PAGE>

obligations of such Selling Shareholder hereunder shall not be terminated, 
except as provided in this Agreement or the Custody Agreement, by any act of 
such Selling Shareholder, by operation of law or otherwise, whether by the 
death or incapacity of such Selling Shareholder, or by the occurrence of any 
other event.  If any Selling Shareholder should die or become incapacitated, 
or if any such other event should occur, before the delivery of the Stock of 
such Selling Shareholder hereunder, the certificates for such Stock deposited 
with the Custodian shall be delivered by the Custodian in accordance with the 
respective terms and conditions of this Agreement as if such death or other 
event had not occurred, regardless of whether or not the Custodian or the 
Attorneys-in-Fact, or either of them, shall have received notice thereof.

          (iii) Such Selling Shareholder is the lawful owner of the Stock to 
be sold by such Selling Shareholder hereunder and upon sale and delivery of, 
and payment for, such Stock, as provided herein, such Selling Shareholder 
will convey good and marketable title to such Stock, free and clear of any 
security interests, liens, encumbrances, equities, claims or other defects.

          (iv)  Such Selling Shareholder has not, directly or indirectly, (A)
taken any action designed to cause or result in, or that has constituted or
which might reasonably be expected to constitute, the stabilization or
manipulation of the price of any security of the Company to facilitate the sale
or resale of the Stock or (B) since the filing of the Registration Statement
(I) sold, bid for, purchased, or paid anyone any compensation for soliciting
purchases of, the Stock or (II) paid or agreed to pay to any person any
compensation for soliciting another to purchase any other securities of the
Company (except for the sale of Stock by the Selling Shareholders under this
Agreement).

          (v)   Such Selling Shareholder has reviewed the Prospectus (or, if the
Prospectus is not in existence, the most recent Preliminary Prospectus) and the
Registration Statement, and the information regarding such Selling Shareholder,
if any, set forth therein under the caption "Selling Shareholders" is complete
and accurate.

          (vi)  The sale of the Stock to the Underwriters by such Selling
Shareholder pursuant to this Agreement, the compliance by such Selling
Shareholder with the other provisions of this Agreement, the Custody Agreement
and the consummation of the other transactions herein contemplated do not (A)
require the consent, approval, authorization, registration or qualification of
or with any governmental authority, except such as have been obtained, such as
may be required under state securities or blue sky laws and, if the
Registration Statement filed with respect to the Stock (as amended) is not
effective under the Act as of the time of execution hereof, such as may be
required (and shall be obtained as provided in this Agreement) under the Act,
or (B) conflict with or result in a breach or violation of any of the terms and
provisions of, or constitute a default under any indenture, mortgage, deed of
trust, lease or other agreement or instrument to which such Selling Shareholder
is a party or by which such Selling Shareholder or any of such Selling
Shareholder's properties are bound, or any statute or any judgment, decree,
order, rule or regulation of any court or other governmental authority or any
arbitrator applicable to such Selling Shareholder.

                                  -12-
<PAGE>

          (vii) In order to document the Underwriters' compliance with the
reporting and withholding provisions of the Code with respect to the
transactions herein contemplated, such Selling Shareholder shall deliver to the
Representative prior to or on the Closing Date, a properly completed and
executed United States Treasury Department Form W-8 or W-9 (or other applicable
form of statement specified by Treasury Department regulations in lieu
thereof).

     2.   PURCHASE, SALE AND DELIVERY OF THE STOCK.

     (a)  On the basis of the representations, warranties, covenants and
agreements herein, the Company agrees to issue and sell 1,200,000 shares of the
Stock to the several Underwriters, each Selling Shareholder agrees to sell to
the several Underwriters the number of shares of the Stock set forth in
Schedule II opposite the name of such Selling Shareholder, and each of the
Underwriters agrees, severally and not jointly, to purchase from the Company
and the Selling Shareholders, at a purchase price of $ *______* per share of
Stock (the "Purchase Price"), the respective number of shares of Firm Stock set
forth opposite the name of such Underwriter on Schedule I to this Agreement
(subject to adjustment as provided in Section 8 of this Agreement).

     (b)  On the basis of the several (and not joint) representations,
warranties, covenants and agreements of the Underwriters contained in this
Agreement and subject to the terms and conditions set forth in this Agreement,
the Company grants an option to the several Underwriters to purchase from the
Company, severally and not jointly, all or any portion of the Option Stock at
the Purchase Price.  This option may be exercised only to cover over-allotments
in the sale of the Firm Stock by the Underwriters and may be exercised in whole
or in part at any time on or before the 45th day after the date of the
Prospectus upon written, telecopied or telegraphic notice by the Representative
to the Company setting forth the aggregate principal amount of Option Stock as
to which the several Underwriters are exercising the option and the settlement
date.  The Option Stock shall be purchased severally, and not jointly, by each
Underwriter, if purchased at all, in the same proportion that the number of
shares of Firm Stock set forth opposite the name of the Underwriter in Schedule
I to this Agreement bears to the total number of shares of Firm Stock to be
purchased by the Underwriters under Section 2(a) above, subject to such
adjustments as the Representative in its absolute discretion shall make to
eliminate any fractional Stock.  Delivery of Option Stock, and payment
therefor, shall be made as provided in Section 2(c) and Section 2(d) below.

     (c)  Delivery of the Firm Stock and the Option Stock (if the option
granted by the Company in Section 2(b) above has been exercised not later than
6:30 a.m., San Francisco time, on the date two business days preceding the
Closing Date), and payment therefor, shall be made at the office of Van Kasper
& Company, 600 California Street, San Francisco, California at 6:30 a.m.,
San Francisco time, on the third business day after the date of this Agreement,
or at such other location and/or at such time on such other day, not later than
seven full business days after such third business day, as shall be agreed upon
in writing by the Company and the Representative, or as provided in Section 8
of this Agreement.  The date and hour of delivery and payment for the Firm
Stock are referred to in this Agreement as the "Closing Date."  As used in 

                                  -13-
<PAGE>

this Agreement, "business day" means a day on which the New York Stock 
Exchange is open for trading and on which banks in New York, California and 
Washington are open for business and not permitted by law or executive order 
to be closed. Certificates for the Stock shall be in such denominations and 
registered in such names as the Representative may request in writing at 
least two business days before the Closing Date.

     (d)  If the option granted by the Company in Section 2(b) above is
exercised after 6:30 a.m., San Francisco time, on the date two business days
preceding the Closing Date, delivery of the Option Stock and payment therefor
shall be made at the office of Van Kasper & Company, 600 California Street, San
Francisco, California, or at such other location as is agreed upon by the
parties, at 6:30 a.m., San Francisco time, on the date specified by the
Representative (which shall be three or fewer business days after the exercise
of the option, but not in excess of the period specified in the Exchange Act
Rules and Regulations).

     (e)  Payment of the purchase price for the Stock purchased from the
Company shall be made by certified or official bank check or checks drawn in
next-day funds, payable to the order of the Company, and payment for the Stock
purchased from the Selling Shareholders shall be made payable to the Custodian,
for the account of the Selling Shareholders, by certified or official bank
check or checks drawn in next-day funds.  Such payment shall be made upon
delivery of Stock to the Representative for the respective accounts of the
several Underwriters.  The Stock to be delivered to the Representative shall be
registered in such name or names and shall be in such denominations as the
Representative may request at least two business days before the Closing Date,
in the case of Firm Stock, and at least one business prior to the purchase of
the Option Stock, in the case of the Option Stock.  The Representative,
individually and not on behalf of the Underwriters, may (but shall not be
obligated to) make payment to the Company and the Selling Shareholders for
Stock to be purchased by any Underwriter whose check shall not have been
received by the Representative on the Closing Date or any later date on which
Option Stock is purchased for the account of such Underwriter.  Any such
payment shall not relieve such Underwriter from any of its obligations
hereunder.

     (f)  The several Underwriters propose to offer the Stock for sale to the
public as soon as the Representative deems it advisable to do so.  The Firm
Stock is to be initially offered to the public at the public offering price set
forth (or to be set forth) in the Prospectus.  The Representative may from time
to time thereafter change the public offering price and other selling terms.

     (g)  The information set forth in the last paragraph on the front cover
page (insofar as such information relates to the Underwriters), the legend
respecting stabilization set forth on the inside front cover page and the
statements set forth under the caption "Underwriting" in any Preliminary
Prospectus and in the final form of Prospectus filed pursuant to Rule 424(b)
constitute the only information furnished by the Underwriters to the Company
for inclusion in any Preliminary Prospectus, the Prospectus or the Registration
Statement.

     3.   FURTHER AGREEMENTS OF THE COMPANY AND THE SELLING SHAREHOLDERS.

                                  -14-
<PAGE>

     (a)  The Company covenants and agrees with the several Underwriters as
follows:

          (i)   The Company will use its best efforts to cause the Registration
Statement, and any amendment thereof, if not effective at the time of execution
of this Agreement, to become effective as promptly as possible.  If the
Registration Statement has become or becomes effective pursuant to Rule 430A,
or filing of the Prospectus is otherwise required under Rule 424(b), the
Company will file the Prospectus, properly completed (and in form and substance
reasonably satisfactory to the Underwriters) pursuant to Rule 424(b) within the
time period prescribed and will provide evidence satisfactory to the
Representative of such timely filing.  The Company will not file the
Prospectus, any amended Prospectus, any amendment (including post-effective
amendments) of the Registration Statement or any supplement to the Prospectus
without (A) advising the Representative of and, a reasonable time prior to the
proposed filing of such amendment or supplement, furnishing the Representative
with copies thereof and (B) obtaining the prior consent of the Representative
to such filing.  The Company will prepare and file with the Commission,
promptly upon the request of the Representative, any amendment to the
Registration Statement or supplement to the Prospectus that may be necessary or
advisable in connection with the distribution of the Stock by the Underwriters.
The Company will make every reasonable effort to cause the Registration
Statement to become effective as promptly as possible.

          (ii)  The Company will promptly advise the Representative (A) when the
Registration Statement becomes effective, (B) when any post-effective amendment
thereof becomes effective, (C) of any request by the Commission for any
amendment of or supplement to the Registration Statement or the Prospectus or
for any additional information, (D) of the issuance by the Commission of any
stop order suspending the effectiveness of the Registration Statement or the
institution or threatening of any proceeding for that purpose and (E) of the
receipt by the Company of any notification with respect to the suspension of
the registration, qualification or exemption from registration or qualification
of the Stock for sale in any jurisdiction or the initiation or threatening of
any proceeding for such purpose.  The Company will make every reasonable effort
to prevent the issuance of any such stop order or suspension and, if issued, to
obtain as soon as possible the withdrawal thereof.

          (iii) The Company will (A) on or before the Closing Date, deliver
to the Representative and its counsel a signed copy of the Registration
Statement as originally filed and of each amendment thereto filed prior to the
time the Registration Statement becomes effective and, promptly upon the filing
thereof, a signed copy of each post-effective amendment, if any, to the
Registration Statement (together with, in each case, all exhibits thereto
unless previously furnished to the Representative) and will also deliver to the
Representative, for distribution to the several Underwriters, a sufficient
number of additional conformed copies of each of the foregoing (excluding
exhibits) so that one copy of each may be distributed to each Underwriter, (B)
as promptly as possible deliver to the Representative and send to the several
Underwriters, at such office or offices as the Representative may designate, as
many copies of the Prospectus as the Representative may reasonably request and
(C) thereafter from time to time during the period 

                                  -15-
<PAGE>

in which a prospectus is required by law to be delivered by an Underwriter or 
a dealer, likewise to send to the Underwriters as many additional copies of 
the Prospectus and as many copies of any supplement to the Prospectus and of 
any amended Prospectus, filed by the Company with the Commission, as the 
Representative may reasonably request for the purposes contemplated by the 
Securities Act.

          (iv)  If at any time during the period in which a prospectus is
required by law to be delivered by an Underwriter or a dealer any event shall
occur as a result of which it is necessary to supplement or amend the
Prospectus in order to make the Prospectus not misleading or so that the
Prospectus will not omit to state a material fact necessary to be stated
therein, in each case at the time the Prospectus is delivered to a purchaser of
the Stock, or if it shall be necessary to amend or to supplement the Prospectus
to comply with the Securities Act or the Rules and Regulations, the Company
will forthwith prepare and file with the Commission a supplement to the
Prospectus or an amended Prospectus so that the Prospectus as so supplemented
or amended will not contain any untrue statement of a material fact or omit to
state any material fact necessary in order to make the statements therein not
misleading and so that it then will otherwise comply with the Securities Act
and the Rules and Regulations.  If, after the public offering of the Stock by
the Underwriters and during such period, the Underwriters propose to vary the
terms of offering thereof by reason of changes in general market conditions or
otherwise, the Representative will advise the Company in writing of the
proposed variation and if, in the opinion either of counsel for the Company or
counsel for the Underwriters, such proposed variation requires that the
Prospectus be supplemented or amended, the Company will forthwith prepare and
file with the Commission a supplement to the Prospectus setting forth such
variation.  The Company authorizes the Underwriters and all dealers to whom any
of the Stock may be sold by the Underwriters to use the Prospectus, as from
time to time so amended or supplemented, in connection with the sale of the
Stock in accordance with the applicable provisions of the Securities Act and
the Rules and Regulations for such period.

          (v)   The Company will cooperate with the Representative and its
counsel in the qualification or registration of the Stock for offer and sale
under the securities or blue sky laws of such jurisdictions as the
Representative may designate and, if applicable, in connection with exemptions
from such qualification or registration and, during the period in which a
Prospectus is required by law to be delivered by an Underwriter or a dealer, in
keeping such qualifications, registrations and exemptions in effect; provided,
however, that the Company shall not be obligated to file any general consent to
service of process or to qualify to do business as a foreign corporation in any
jurisdiction in which it is not so qualified.  The Company will, from time to
time, prepare and file such statements, reports and other documents as are or
may be required to continue such qualifications, registrations and exemptions
in effect for so long a period as the Representative may reasonably request for
the distribution of the Stock.

          (vi)  During a period of five years commencing with the date of this
Agreement, the Company will promptly furnish to the Representative and to each
Underwriter who may so request in writing copies of (A) all periodic and
special reports furnished by it to shareholders of the Company, (B) all
information, documents and reports filed by it with the 

                                  -16-
<PAGE>

Commission, any securities exchange on which any securities of the Company 
are then listed, Nasdaq or its National Market System or the National 
Association of Securities Dealers, Inc., (C) all press releases and material 
news items or articles in respect of the Company or its affairs released or 
prepared by the Company (other than promotional and marketing materials 
disseminated solely to customers and potential customers of the Company in 
the ordinary course of business) and (D) any additional information 
concerning the Company or its business which the Representative may 
reasonably request.

          (vii)  As soon as practicable, but not later than the 45th day
following the end of the fiscal quarter first ending after the first
anniversary of the Effective Date, the Company will make generally available to
its securities holders and furnish to the Representative an earnings statement
or statements in accordance with Section 11(a) of the Securities Act and Rule
158 of the Rules and Regulations.

          (viii) The Company will apply the net proceeds from its sale of
the Stock in the offering in the manner set forth under the caption "Use of
Proceeds" in the Prospectus.

          (ix)   The Company will comply with all provisions of all undertakings
contained in the Registration Statement.

          (x)    The Company will, and at all times for a period of at least 
five years after the date of this Agreement, cause the Common Stock 
(including the Stock) to be listed on the Nasdaq National Market, and the 
Company will comply with all registration, filing, reporting and other 
requirements of the Exchange Act and the Nasdaq National Market which may 
from time to time be applicable to the Company.

          (xi)   The Company will use its best efforts to maintain insurance of
the types and in the amounts which it deems adequate for its business
consistent with insurance coverage maintained by companies of similar size and
engaged in similar businesses, including, but not limited to, product liability
insurance and general liability insurance covering all real and personal
property owned or leased by the Company against theft, damage, destruction,
acts of vandalism and all other risks customarily insured against.

          (xii)  The Company will issue no press release prior to the
Closing Date with respect to the offering without the Representative's prior
written consent.

          (xiii) The Company shall supply to the Representative and its 
counsel, at the Company's cost, an aggregate of six bound volumes each 
containing materials documents relating to the offering of the Stock within a 
reasonable time after the Closing Date, not to exceed 90 days.

     (b)  Each of the Selling Shareholders covenants and agrees with each of
the Underwriters that:

                                  -17-
<PAGE>

          (i)    Such Selling Shareholder will use its best efforts to cause the
Company fully to comply with all of its covenants and agreements set forth in
this Agreement.

          (ii)   Such Selling Shareholder will not, directly or indirectly,
without the prior written consent of the Representatives, offer, sell, offer to
sell, contract to sell, grant any option to purchase or otherwise sell or
dispose (or announce any offer, sale, offer of sale, contract of sale, grant of
any option to purchase or other sale or disposition) of any Common Stock
legally or beneficially owned by such Selling Shareholder or any securities
convertible into, or exchangeable or exercisable for, Common Stock for a period
of 80 days after the date hereof, except pursuant to this Agreement.

          (iii)  Such Selling Shareholder will not, directly or indirectly,
(A) take any action designed to cause or result in, or that has constituted or
which might reasonably be expected to constitute, the stabilization or
manipulation of the price of any security of the Company to facilitate the sale
or resale of the Stock or (B) (x) sell, bid for, purchase, or pay anyone any
compensation for soliciting purchases of, the Stock or (y) pay or agree to pay
to any person any compensation for soliciting another to purchase any other
securities of the Company (except for the sale of Stock by the Selling
Shareholders under this Agreement).

     4.   FEES AND EXPENSES.

     (a)  The Company and the Selling Shareholders agree with each Underwriter
that:

          (i)  The Company will pay and bear all costs and expenses in
connection with: the preparation, printing and filing of the Registration
Statement (including financial statements, schedules and exhibits), Preliminary
Prospectuses and the Prospectus, any drafts of each of them and any amendments
or supplements to any of them; the duplication of this Agreement, the Agreement
Among Underwriters, any Selected Dealer Agreements, the Preliminary Blue Sky
Survey and any Supplemental Blue Sky Survey, the Underwriters' Questionnaire
and the Power of Attorney and the duplication and, if applicable, printing
(including all drafts thereof) of any other underwriting documents and material
(including but not limited to marketing memoranda and other marketing material)
in connection with the offering, purchase, sale and delivery of the Stock; the
issuance and delivery of the Stock under this Agreement to the several
Underwriters, including all expenses, taxes, duties, fees and commissions on
the purchase and sale of the Stock and stock exchange brokerage and transaction
levies with respect to the purchase and, if applicable, the sale of the Stock
(A) incident to the sale and delivery of the Stock by the Company and the
Selling Shareholders to the Underwriters and (B) incident to the sale and
delivery of the Stock by the Underwriters to the initial purchasers thereof;
the cost of printing the certificates for the Stock; the cost of furnishing to
the several Underwriters copies of the Registration Statement (including
appropriate exhibits), Preliminary Prospectus and the Prospectus, the
agreements and other documents and instruments referred to above and any
amendments or supplements to any of the foregoing; the Transfer Agents' and
Registrars' fees; the fees and disbursements of counsel for the Company and, if
applicable, the Selling Shareholders; all fees and other charges of the
Company's independent public accountants and 
 
                                  -18-
<PAGE>

any other experts named in the Prospectus; the filing fees of the Commission 
and the NASD; the cost of qualifying or registering the Stock (or obtaining 
exemptions from qualification or registration) under the securities and Blue 
Sky laws of such jurisdictions as the Representatives may designate 
(including filing fees); fees and costs/disbursements of Underwriters' 
counsel in connection with the NASD filings and state securities or Blue Sky 
qualifications, registrations and exemptions and in preparing the preliminary 
and any final Blue Sky Memorandum (which fees and costs/disbursements shall 
be paid on or prior to the Closing Date); all fees and expenses in connection 
with listing of the Stock on the Nasdaq National Market; any meetings with 
prospective investors in the Stock (other than as shall have been approved in 
writing by the Representatives to be paid for by the Underwriters); 
advertising relating to the offering of the Stock (other than as shall have 
been approved in writing by the Representatives to be paid for by the 
Underwriters); and all other expenses incurred by the Company in connection 
with the performance of its obligations hereunder.  Any additional expenses 
incurred as a result of the inclusion of the Stock to be sold by the Selling 
Shareholders will be borne by the Company.  If the sale of the Stock provided 
for herein is not consummated because any condition to the obligations of the 
Underwriters set forth in Section 5 hereof is not satisfied, because this 
Agreement is terminated pursuant to Section 9 hereof or because of any 
failure, refusal or inability on the part of the Company or the Selling 
Shareholders to perform all obligations and satisfy all conditions on their 
part to be performed or satisfied hereunder other than by reason of a default 
by any of the Underwriters, the Company will reimburse the Underwriters 
severally upon demand for all out-of-pocket expenses (including counsel fees 
and disbursements) that shall have been incurred by them in connection with 
the proposed purchase and sale of the Stock.  The Company shall not in any 
event be liable to any of the Underwriters for the loss of anticipated 
profits from the transactions covered by this Agreement.

          (ii)   In addition to its obligations under Section 7(a) of this
Agreement, the Company and each Selling Shareholder jointly and severally
agrees that, as an interim measure during the pendency of any claim, action,
investigation, inquiry or other proceeding arising out of or based upon any
loss, claim, damage or liability described in Section 7(a) of this Agreement,
it will reimburse or advance to, or for the benefit of, the Underwriters, and
each of them, on a monthly basis (or more often, if requested) all legal and
other expenses incurred by the Underwriters in connection with investigating or
defending any such claim, action, investigation, inquiry or other proceeding,
notwithstanding the absence of a judicial determination as to the propriety and
enforceability of the joint and several obligations of the Company and the
Selling Shareholders to reimburse or advance to, or for the benefit of, the
Underwriters such expenses or the possibility that such payments might later be
held to have been improper by a court of competent jurisdiction.  To the extent
that any portion, or all, of any such interim reimbursement payments or
advances are so held to have been improper, the Underwriters receiving the same
shall promptly return such amounts to the party or parties who have paid such
amounts together with interest, compounded daily, at the prime rate (or other
commercial lending rate for borrowers of the highest credit standing) announced
from time to time by Bank of America, NT&SA, San Francisco, California (the
"Prime Rate"), but not in excess of the maximum rate permitted by applicable
law.  Any such interim reimbursement payments or advances that are not made to
or for the Underwriters within 30 days of a request for reimbursement or for an
advance 

                                  -19-
<PAGE>

shall bear interest at the Prime Rate, compounded daily, but not in excess of 
the maximum rate permitted by applicable law, from the date of such request 
until the date paid.

     (b)  In addition to their obligations under Section 7(b) of this
Agreement, the Underwriters severally and in proportion to their obligation to
purchase Firm Stock as set forth on Schedule I hereto, agree that, as an
interim measure during the pendency of any claim, action, investigation,
inquiry or other proceeding arising out of or based upon any loss, claim,
damage or liability described in Section 7(b) of this Agreement, they will
reimburse or advance to, or for the benefit of, the Company on a monthly basis
(or more often, if requested) all legal and other expenses incurred by the
Company in connection with investigating or defending any such claim, action,
investigation, inquiry or other proceeding, notwithstanding the absence of a
judicial determination as to the propriety or enforceability of the
Underwriters' obligation to reimburse or advance to, or for the benefit of, the
Company such expenses and the possibility that such payments or advances might
later be held to have been improper by a court of competent jurisdiction.  To
the extent that any portion, or all, of any such interim reimbursement payments
or advances are so held to have been improper, the Company shall promptly
return such amounts to the Underwriters together with interest, compounded
daily, at the Prime Rate, but not in excess of the maximum rate permitted by
applicable law.  Any such interim reimbursement payments or advances that are
not made to the Company within 30 days of a request for reimbursement or for an
advance shall bear interest at the Prime Rate, compounded daily, but not in
excess of the maximum rate permitted by applicable law, from the date of such
request until the date paid.

     (c)  Any controversy arising out of the operation of the interim
reimbursement arrangements set forth in Sections 4(a)(ii) and 4(b) above,
including the amounts of requested reimbursement payments or advances, the
method of determining such amounts and the basis on which such amounts shall be
apportioned among the indemnifying parties, shall be settled by arbitration
conducted under the provisions of the Code of Arbitration Procedure of the
National Association of Securities Dealers, Inc.  Any such arbitration must be
commenced by service of a written demand for arbitration or a written notice of
intention to arbitrate, therein electing the arbitration tribunal.  If the
party demanding arbitration does not make such designation of an arbitration
tribunal in such demand or notice, then the party responding to the demand or
notice is authorized to do so.  Any such arbitration will be limited to the
interpretation and obligations of the parties under the interim reimbursement
and advance provisions contained in Sections 4(a)(ii) and 4(b) above and will
not resolve the ultimate propriety or enforceability of the obligation to
indemnify for or contribute to expenses that is created by the provisions of
Section 7 of this Agreement.

     5.   CONDITIONS OF UNDERWRITERS' OBLIGATIONS.  The several obligations of
the Underwriters to purchase and pay for the Stock shall be subject, in the
sole discretion of the Representative, to the accuracy as of the date of
execution of this Agreement, the Closing Date and the date and time at which
the Option Stock is to be purchased, as the case may be, of the representations
and warranties of the Company and the Selling Shareholders set forth in this
Agreement, to the accuracy of the statements of the Company and its officers,
and the Selling 

                                  -20-
<PAGE>

Shareholders, made in any certificate delivered pursuant to this Agreement, 
to the performance by the Company and the Selling Shareholders of all of 
their obligations to be performed under this Agreement at or prior to the 
Closing Date or any later date on which Option Stock is to be purchased, as 
the case may be, to the satisfaction of all conditions to be satisfied or 
performed by the Company and the Selling Shareholders at or prior to that 
date and to the following additional conditions:

     (a)  The Registration Statement shall have become effective (or, if a 
post-effective amendment is required to be filed pursuant to Rule 430A under 
the Act, such post-effective amendment shall become effective and the Company 
shall have provided evidence satisfactory to the Representative of such 
filing and effectiveness) not later than 5:00 p.m., New York time, on the 
date of this Agreement or at such later date and time as the Representative 
may approve in writing and, at the Closing Date or, with respect to the 
Option Stock, the date on which such Option Stock is to be purchased, no stop 
order suspending the effectiveness of the Registration Statement or any 
qualification, registration or exemption from qualification or registration 
for the sale of the Stock in any jurisdiction shall have been issued and no 
proceedings for that purpose shall have been instituted or threatened; and 
any request for additional information on the part of the Commission shall 
have been complied with to the reasonable satisfaction of the Representative 
and its counsel.

     (b)  The Representative shall have received from Van Valkenberg Furber 
Law Group P.L.L.C., counsel for the Underwriters, an opinion, on and dated as 
of the Closing Date or, if applicable, the date on which Option Stock is to 
be purchased, with respect to the issuance and sale of the Stock and such 
other related matters as the Representative may reasonably require, and the 
Company shall have furnished such counsel with all documents which they may 
request for the purpose of enabling them to pass upon such matters.

     (c)  The Representative shall have received on the Closing Date or, if 
applicable, the later date on which Option Stock is purchased, the opinion of 
Perkins Coie, counsel for the Company and the Selling Shareholders, addressed 
to the Underwriters and dated the Closing Date or such later date, with 
reproduced copies or signed counterparts thereof for each of the 
Underwriters, covering the matters set forth in Annex A to this Agreement and 
in form and substance satisfactory to the Representative.

     (d)  The Representative shall be satisfied that there has not been any 
material change in the market for securities in general or in political, 
financial or economic conditions as to render it impracticable in the 
Representative's judgment to make a public offering of the Stock, or a 
material adverse change in market levels for securities in general (or those 
of companies in particular) or financial or economic conditions which render 
it inadvisable to proceed.

     (e)  The Representative shall have received on the Closing Date and on 
any later date on which Option Stock is purchased a certificate, dated the 
Closing Date or such later date, as the case may be, and signed by the 
President and the Chief Financial Officer of the Company stating that:

                                -21-

<PAGE>

          (i)  the representations and warranties of the Company set forth in 
Section 1 of this Agreement are true and correct with the same force and 
effect as if expressly made at and as of the Closing Date or such later date, 
and the Company has complied with all the agreements and satisfied all the 
conditions on its part to be performed or satisfied at or prior to the 
Closing Date or such later date;

          (ii) no stop order suspending the effectiveness of the Registration 
Statement has been issued, and no proceedings for that purpose have been 
instituted or are pending or are threatened under the Securities Act;

          (iii)     the Stock has been approved for listing on the Nasdaq 
National Market, subject only to notice of issuance, and the outstanding 
shares of the Common Stock of the Company are listed on the Nasdaq National 
Market; and

          (iv) (A) the respective signers of such certificate have carefully 
examined the Registration Statement in the form in which it originally became 
effective and the Prospectus and any supplements or amendments to any of them 
and, as of the Effective Date, the statements made in the Registration 
Statement and the Prospectus were true and correct in all material respects 
and neither the Registration Statement nor the Prospectus omitted to state 
any material fact required to be stated therein or necessary in order to make 
the statements therein not misleading, (B) since the effective date of the 
Registration Statement, no event has occurred that should have been set forth 
in an amendment to the Registration Statement or a supplement or amendment to 
the Prospectus that has not been set forth in such an amendment or 
supplement, (C) since the respective dates as of which information is given 
in the Registration Statement in the form in which it originally became 
effective and the Prospectus, there has not been any material change or any 
development involving a prospective material change in or affecting the 
business, properties, condition (financial or otherwise), results of 
operations or prospects of the Company and its subsidiaries taken as a whole 
and, since such dates, neither the Company nor any of its subsidiaries has 
entered into any material transaction not referred to in the Registration 
Statement in the form in which it originally became effective and the 
Prospectus contained therein, (D) there are not any pending or known 
threatened legal proceedings to which the Company or any of its subsidiaries 
is a party or of which property of the Company or any of its subsidiaries is 
the subject which are material and which are not disclosed in the 
Registration Statement and the Prospectus and (E) there are not any license 
agreements, contracts, leases or other documents that are required to be 
filed as exhibits to the Registration Statement that have not been filed as 
required.

     (f)  The Representative shall have received from Coopers & Lybrand, LLP 
letters, addressed to the Underwriters and dated the date of the Preliminary 
Prospectus, the Closing Date and any later date on which Option Stock is 
purchased, confirming that they are independent accountants with respect to 
the Company within the meaning of the Securities Act and the applicable Rules 
and Regulations thereunder and, based upon the procedures described in their 
letter delivered to the Representative concurrently with the execution of 
this Agreement (the 

                                   -22-

<PAGE>

"Original Letter"), but carried out to a date not more than five business 
days prior to the Closing Date or such later date on which Option Stock is 
purchased, (i) confirming, to the extent true, that the statements and 
conclusions set forth in the Original Letter are accurate as of the Closing 
Date or such later date, as the case may be, and (ii) setting forth any 
revisions and additions to the statements and conclusions set forth in the 
Original Letter that are necessary to reflect any changes in the facts 
described in the Original Letter since the date of the Original Letter or to 
reflect the availability of more recent financial statements, data or 
information.  Such letters shall not disclose any change, or any development 
involving a prospective change, in or affecting the business, properties or 
condition (financial or otherwise), results of operations or prospects of the 
Company or any of its subsidiaries which, in the Representative's sole 
judgment, makes it impractical or inadvisable to proceed with the public 
offering of the Stock or the purchase of the Option Stock as contemplated by 
the Prospectus.  In addition, the Representative shall have received from 
Coopers & Lybrand, LLP, on or prior to the Closing Date, a letter addressed 
to the Company and made available to the Representative for the use of the 
Underwriters stating that their review of the Company's system of internal 
controls, to the extent they deemed necessary in establishing the scope of 
their examination of the Company's consolidated financial statements as of 
December 31, 1996, or in delivering their Original Letter, did not disclose 
any weaknesses in internal controls that they considered to be material 
weaknesses.

     (g)  Prior to the Closing Date, the Stock shall have been approved for 
listing on the Nasdaq National Market, subject only to official notice of 
issuance and the outstanding shares of the Common Stock of the Company shall 
be listed on the Nasdaq National Market.

     (h)  On or prior to the Closing Date, the Representative shall have 
received from all Material Holders executed agreements covering the matters 
described in Section 1(a) (xviii) of this Agreement.

     (i)  The Company shall have furnished to the Representative such further 
certificates and documents as the Representative shall request (including 
certificates of officers of the Company) as to the accuracy of the 
representations and warranties of the Company set forth in this Agreement, 
the performance by the Company of its obligations under this Agreement and 
such other matters as the Representative may have then requested.

     All the agreements, opinions, certificates and letters mentioned above 
or elsewhere in this Agreement will be in compliance with the provisions of 
this Agreement only if they are satisfactory to the Representative.  The 
Company will furnish the Representative with such number of conformed copies 
of such opinions, certificates, letters and documents as the Representative 
shall reasonably request.

     If any of the conditions specified in this Section 5 shall not have been 
fulfilled in all material respects when and as provided in this Agreement, 
time being of the essence, or if any of the opinions and certificates 
mentioned above or elsewhere in this Agreement shall not be in all material 
respects satisfactory in form and substance to the Representative and its 
counsel, this Agreement and all obligations of the Underwriters hereunder may 
be canceled by the 

                                    -23-

<PAGE>

Representative at, or at any time prior to, the Closing Date or, with respect 
to the Option Stock, prior to the date which the Option Stock is to be 
purchased, as the case may be.  Notice of such cancellation shall be given to 
the Company and the Selling Shareholders in writing or by telephone, 
telecopy, facsimile transmission or telegraph confirmed in writing.  Any such 
termination shall be without liability of the Company or the Selling 
Shareholders to the Underwriters (except as provided in Section 4 or Section 
7 of this Agreement) and without liability of the Underwriters to the Company 
or the Selling Shareholders (except as provided in Section 7 of this 
Agreement).

     6.   CONDITIONS OF THE OBLIGATION OF THE COMPANY AND THE SELLING 
SHAREHOLDERS.  The obligations of the Company and the Selling Shareholders to 
sell and deliver the Stock required to be delivered as and when specified in 
this Agreement shall be subject to the condition that, at the Closing Date 
or, with respect to the Option Stock, the date and time at which the Option 
Stock is to be purchased, no stop order suspending the effectiveness of the 
Registration Statement shall be in effect and no proceedings therefor shall 
be pending or threatened by the Commission.

     7.   INDEMNIFICATION AND CONTRIBUTION.

     (a)  The Company and the Selling Shareholders agree to indemnify and 
hold harmless each Underwriter and each person (including each partner or 
officer thereto) who controls any Underwriter within the meaning of Section 
15 of the Securities Act from and against any and all losses, claims, damages 
or liabilities, joint or several, to which such indemnified parties or any of 
them may become subject under the Securities Act, the Exchange Act or other 
federal or state statute, law or regulation, at common law or otherwise, 
specifically including but not limited to losses, claims, damages or 
liabilities (or action in respect thereof) related to negligence on the part 
of any Underwriter, and the Company and the Selling Shareholders agree to 
reimburse each such Underwriter and controlling person for any legal or other 
expenses (including, except as otherwise provided below, settlement expenses 
and fees and disbursements of counsel) incurred by the respective indemnified 
parties in connection with defending against any such losses, claims, damages 
or liabilities or in connection with any investigation or inquiry of, or 
other proceeding that may be brought against, the respective indemnified 
parties, in each case insofar as such losses, claims, damages or liabilities 
(or actions in respect thereof) arise out of or are based upon, in whole or 
in part, (i) any breach of any representation, warranty, covenant or 
agreement of the Company in this Agreement, (ii) any untrue statement or 
alleged untrue statement of a material fact contained in the Registration 
Statement in the form originally filed or in any amendment thereto (including 
the Prospectus as part thereof) or any post-effective amendment thereto, or 
the omission or alleged omission to state therein a material fact required to 
be stated therein or necessary to make the statements therein not misleading 
or (iii) any untrue statement or alleged untrue statement of a material fact 
contained in any Preliminary Prospectus or the Prospectus (as amended or as 
supplemented if the Company shall have filed with the Commission any 
amendment thereof or supplement thereto) or the omission or alleged omission 
to state therein a material fact required to be stated therein or necessary 
in order to make the statements therein, in the light of the circumstances 
under which they were made, not misleading or (iv) any untrue statement or 
alleged untrue statement of a material fact contained in any 

                                 -24-

<PAGE>

application or other document, or any amendment or supplement thereto, 
executed by the Company or based upon written information furnished by or on 
behalf of the Company filed in any jurisdiction in order to qualify or 
register the Stock under the securities or Blue Sky laws thereof or to obtain 
an exception from such qualification or registration or filed with the 
Commission, any securities association or the Nasdaq National Market, or the 
omission or alleged omission to state therein a material fact required to be 
stated therein or necessary to make the statements therein, in light of the 
circumstances under which they were made, not misleading; provided, however, 
that (A) the indemnity agreements of the Company and the Selling Shareholders 
contained in this Section 7(a) shall not apply to such losses, claims, 
damages, liabilities or expenses if such statement or omission was made in 
reliance upon and in conformity with information furnished in writing to the 
Company by or on behalf of any Underwriter through the Representative 
specifically for use in any Preliminary Prospectus or the Registration 
Statement or the Prospectus or any such amendment thereof or supplement 
thereto and (B) the indemnity agreement contained in this Section 7(a) with 
respect to any Preliminary Prospectus shall not inure to the benefit of any 
Underwriter from whom the person asserting any such losses, claims, damages, 
liabilities or expenses purchased the Stock that is the subject thereof (or 
to the benefit of any person controlling such Underwriter) if the Company or 
the Selling Shareholders can demonstrate that at or prior to the written 
confirmation of the sale of such Stock a copy of the Prospectus (or the 
Prospectus as amended or supplemented) or, for this purpose, if applicable, a 
copy of the then most recent Preliminary Prospectus was not sent or delivered 
to such person and the untrue statement or omission of a material fact 
contained in such Preliminary Prospectus or, if applicable, prior Preliminary 
Prospectus was corrected in the Prospectus (or the Prospectus as amended or 
supplemented) or, if applicable, the then most recent Preliminary Prospectus, 
unless the failure is the result of noncompliance by the Company with Section 
3 of this Agreement.  The indemnity agreements of the Company and the Selling 
Shareholders contained in this Section 7(a) and the representations and 
warranties of the Company and the Selling Shareholders contained in Section 1 
of this Agreement shall remain operative and in full force and effect 
regardless of any investigation made by or behalf of any indemnified party 
and shall survive the delivery of and payment for the Stock.  This indemnity 
agreement shall be in addition to any liabilities which the Company and the 
Selling Shareholders may otherwise have.

     (b)  Each Underwriter, severally and not jointly, agrees to indemnify 
and hold harmless the Selling Shareholders, the Company, each of its officers 
who signs the Registration Statement, each of its directors, each other 
Underwriter and each person (including each partner or officer thereof) who 
controls the Company or any such other Underwriter within the meaning of 
Section 15 of the Securities Act from and against any and all losses, claims, 
damages or liabilities, joint or several, to which such indemnified parties 
or any of them may become subject under the Securities Act, the Exchange Act, 
or other federal or state statute, law or regulation or at common law or 
otherwise and to reimburse each of them for any legal or other expenses 
(including, except as otherwise hereinafter provided, settlement expenses and 
fees and disbursements of counsel) incurred by the respective indemnified 
parties in connection with defending against any such losses, claims, damages 
or liabilities or in connection with any investigation or inquiry of, or 
other proceeding that may be brought against, the respective indemnified 
parties, in each case arising out of or based upon (i) any breach of any 
covenant or 

                               -25-

<PAGE>

agreement of the indemnifying Underwriter in this Agreement, (ii) any untrue 
statement or alleged untrue statement of a material fact contained in the 
Registration Statement (including the Prospectus as part thereof) or any 
post-effective amendment thereto, or the omission or alleged omission to 
state therein a material fact required to be stated therein or necessary to 
make the statements therein, in the light of the circumstances under which 
they were made, not misleading or (iii) any untrue statement or alleged 
untrue statement of a material fact contained in any Preliminary Prospectus 
or the Prospectus (as amended or as supplemented if the Company shall have 
filed with the Commission any amendment thereof or supplement thereto) or the 
omission or alleged omission to state therein a material fact required to be 
stated therein or necessary in order to make the statements therein, in the 
light of the circumstances under which they were made, not misleading, but in 
each case under clauses (i), (ii) and (iii) above, as the case may be, only 
if such statement or omission was made in reliance upon and in connection 
with information furnished in writing to the Company by or on behalf of such 
indemnifying Underwriter through the Representative specifically for use in 
any Preliminary Prospectus, the Registration Statement or the Prospectus or 
any such amendment thereof or supplement thereto.  The Company and the 
Selling Shareholders acknowledge and agree that the matters described in 
Section 2(g) of this Agreement constitute the only information furnished in 
writing by or on behalf of any of the several Underwriters for inclusion in 
the Registration Statement or the Prospectus or in any Preliminary 
Prospectus.  The several indemnity agreement of each Underwriter contained in 
this Section 7(b) shall remain operative and in full force and effect 
regardless of any investigation made by or on behalf of any indemnified party 
and shall survive the delivery of and payment for the Stock.  This indemnity 
agreement shall be in addition to any liabilities which each Underwriter may 
otherwise have.

     (c)  Each person or entity indemnified under the provisions of Sections 
7(a) and 7(b) above agrees that, upon the service of a summons or other 
initial legal process upon it in any action or suit instituted against it or 
upon its receipt of written notification of the commencement of any 
investigation or inquiry of, or proceeding against, it in respect of which 
indemnity may be sought on account of any indemnity agreement contained in 
such Sections, it will, if a claim in respect thereunder is to be made 
against the indemnifying party or parties under this Section 7, promptly give 
written notice  (the "Notice") of such service or notification to the party 
or parties from whom indemnification may be sought hereunder.  No 
indemnification provided for in Sections 7(a) or 7(b) above shall be 
available to any person who fails to so give the Notice if the party to whom 
such Notice was not given was unaware of the action, suit, investigation, 
inquiry or proceeding to which the Notice would have related, but only to the 
extent such party was materially prejudiced by the failure to receive the 
Notice, and the omission to so notify such indemnifying party or parties 
shall not relieve such indemnifying party or parties from any liability which 
it or they may have to the indemnified party for contribution or otherwise 
than on account of Sections 7(a) and 7(b).  Any indemnifying party shall be 
entitled at its own expense to participate in the defense of any action, suit 
or proceeding against, or investigation or inquiry of, an indemnified party.  
Any indemnifying party shall be entitled, if it so elects within a reasonable 
time after receipt of the Notice by giving written notice (the "Notice of 
Defense") to the indemnified party, to assume (alone or in conjunction with 
any other indemnifying party or parties) the entire defense of such action, 
suit, investigation, inquiry or proceeding, in which 

                                   -26-

<PAGE>

event such defense shall be conducted, at the expense of the indemnifying 
party or parties, by counsel chosen by such indemnifying party or parties and 
reasonably satisfactory to the indemnified party or parties; provided, 
however, that (i) if the indemnified party or parties reasonably determine 
that there may be a conflict between the positions of the indemnifying party 
or parties and of the indemnified party or parties in conducting the defense 
of such action, suit, investigation, inquiry or proceeding or that there may 
be legal defenses or rights available to such indemnified party or parties 
different from or in addition to those available to the indemnifying party or 
parties, then separate counsel for and selected by the indemnified party or 
parties shall be entitled, at the expense of the indemnifying parties, to 
conduct the defense of the indemnified parties to the extent determined by 
counsel to the indemnified parties to be necessary to protect the interests 
of the indemnified party or parties and (ii) in any event, the indemnified 
party or parties shall be entitled to have counsel selected by such 
indemnified party or parties participate in, but not conduct, the defense.  
If, within a reasonable time after receipt of the Notice, an indemnifying 
party gives a Notice of Defense and, unless separate counsel is to be chosen 
by the indemnified party or parties as provided above, the counsel chosen by 
the indemnifying party or parties is reasonably satisfactory to the 
indemnified party or parties, the indemnifying party or parties will not be 
liable under Sections 7(a) through 7(c) for any legal or other expenses 
subsequently incurred by the indemnified party or parties in connection with 
the defense of the action, suit, investigation, inquiry or proceeding, except 
that (A) the indemnifying party or parties shall bear and pay the legal and 
other expenses incurred in connection with the conduct of the defense as 
referred to in clause (i) of the "provided, however" clause in the preceding 
sentence and (B) the indemnifying party or parties shall bear and pay such 
other expenses as it or they have authorized to be incurred by the 
indemnified party or parties.  If, within a reasonable time after receipt of 
the Notice, no Notice of Defense has been given, the indemnifying party or 
parties shall be responsible for any legal or other expenses incurred by the 
indemnified party or parties in connection with the defense of the action, 
suit, investigation, inquiry or proceeding.

     (d)  In order to provide for just and equitable contribution in any 
action in which a claim for indemnification is made pursuant to this Section 
7 but is judicially determined (by the entry of a final judgment or decree by 
a court of competent jurisdiction and the expiration of time to appeal or the 
denial of the last right to appeal) that such indemnification may not be 
enforced in such case notwithstanding the fact that this Section 7 provides 
for indemnification in such case, each indemnifying party shall contribute to 
the amount paid or payable by such indemnified party as a result of the 
losses, claims, damages, liabilities and expenses referred to in Section 7(a) 
or 7(b) above (i) in such proportion as is appropriate to reflect the 
relative benefits received by each indemnifying party from the offering of 
the Stock or (ii) if the allocation provided by clause (i) above is not 
permitted by applicable law, in such proportion as is appropriate to reflect 
not only the relative benefits referred to in clause (i) above but also the 
relative fault of each indemnifying party in connection with the statements 
or omissions that resulted in such losses, claims, damages or liabilities, or 
actions in respect thereof, as well as any other relevant equitable 
considerations.  The relative benefits received by the Company, the Selling 
Shareholders and the Underwriters shall be deemed to be in the same 
respective proportion as the total proceeds from the offering of the Stock, 
net of the underwriting discounts, received by the Company and the 

                                -27-

<PAGE>

Selling Shareholders and the total underwriting discount retained by the 
Underwriters bear to the aggregate public offering price of the Stock. 
Relative fault shall be determined by reference to, among other things, 
whether the untrue or alleged untrue statement of a material fact or the 
omission or alleged omission to state a material fact relates to information 
supplied by each indemnifying party and the parties' relative intent, 
knowledge, access to information and opportunity to correct or prevent such 
untrue statement or omission.

     The parties agree that it would not be just and equitable if 
contribution pursuant to this Section 7(d) were to be determined by pro rata 
allocation which does not take into account the equitable considerations 
referred to in the first sentence of the first paragraph of this Section 7(d) 
and to the considerations referred to in the third sentence of the first 
paragraph of this Section 7(d).  The amount paid by an indemnified party as a 
result of the losses, claims, damages or liabilities, or actions in respect 
thereof, referred to in the first sentence of the first paragraph of this 
Section 7(d) shall be deemed to include any legal or other expenses incurred 
by such indemnified party in connection with investigating, preparing to 
defend or defending against any action or claim which is the subject of this 
Section 7(d). Notwithstanding the provisions of this Section 7(d), no 
Underwriter shall be required to contribute any amount in excess of the 
underwriting discount applicable to the Stock purchased by that Underwriter.  
For purposes of this Section 7(d), each person who controls an Underwriter 
within the meaning of the Securities Act shall have the same rights to 
contribution as such Underwriter, and each person who controls the Company 
within the meaning of the Securities Act, each officer of the Company who 
signed the Registration Statement, each director of the Company and each 
Selling Shareholder shall have the same rights to contribution as the 
Company; provided, however, in each case that no person guilty of fraudulent 
misrepresentation (within the meaning of Section 11(f) of the Securities Act) 
shall be entitled to contribution from any person who was not guilty of such 
fraudulent misrepresentation.  The Underwriters' obligations to contribute in 
this Section 7(d) are several in proportion to their respective underwriting 
obligations and not joint.

     Each party or other entity entitled to contribution agrees that upon the 
service of a summons or other initial legal process upon it in any action 
instituted against it in respect of which contribution may be sought, it will 
promptly give written notice of such service to the party or parties from 
whom contribution may be sought, but the omission so to notify such party or 
parties of any such service shall not relieve the party from whom 
contribution may be sought from any obligation it may have hereunder or 
otherwise (except as specifically provided in Section 7(c) above).

     (e)  Neither the Company nor any Selling Shareholder shall, without the 
prior written consent of each Underwriter, settle or compromise or consent to 
the entry of any judgment in any pending or threatened claim, action, suit or 
proceeding in respect of which indemnification or contribution may be sought 
hereunder (whether or not such Underwriter or any person who controls such 
Underwriter within the meaning of Section 15 of the Securities Act is a party 
to such claim, action, suit or proceeding) unless such settlement, compromise 
or consent includes an unconditional release of each such Underwriter and 
each such controlling person from all liability arising out of such claim, 
action, suit or proceeding.

                                    -28-

<PAGE>

     (f)  The parties to this Agreement hereby acknowledge that they are 
sophisticated business persons who were represented by counsel during the 
negotiations regarding the provisions of this Agreement, including, without 
limitation, the provisions of Sections 4(a)(ii), 4(b) and 4(c) and this 
Section 7 of this Agreement and that they are fully informed regarding all 
such provisions.  They further acknowledge that the provisions of Sections 
4(a)(ii), 4(b) and 4(c) and this Section 7 of this Agreement fairly allocate 
the risks in light of the ability of the parties to investigate the Company 
and its business in order to assure that adequate disclosure is made in the 
Registration Statement and Prospectus as required by the Securities Act, the 
Rules and Regulations, the Exchange Act and the Exchange Act Rules and 
Regulations.  The parties are advised that federal or state policy, as 
interpreted by the courts in certain jurisdictions, may be contrary to 
certain provisions of Sections 4(a)(ii), 4(b) and 4(c) and this Section 7 of 
this Agreement and, to the extent permitted by law, the parties hereto hereby 
expressly waive and relinquish any right or ability to assert such public 
policy as a defense to a claim under Sections 4(a)(ii), 4(b) or 4(c) or this 
Section 7 of this Agreement and further agree not to attempt to assert any 
such defense.

     (g)  The liability of each Selling Shareholder under Section 4 and this 
Section 7 shall be limited to an amount equal to the initial public offering 
price of the Stock sold by such Selling Shareholder to the Underwriters.  The 
Company and the Selling Shareholders may agree, as among themselves and 
without limiting the rights of the Underwriters under this Agreement, as to 
the respective amounts of such liability for which they each shall be 
responsible.

                                    -29-

<PAGE>

     8.   SUBSTITUTION OF UNDERWRITERS.  If for any reason one or more of the 
Underwriters fails or refuses (otherwise than for a reason sufficient to 
justify the termination of this Agreement under the provisions of Section 5 
or Section 9 of this Agreement) to purchase and pay for the number of shares 
of Firm Stock agreed to be purchased by such Underwriter or Underwriters, the 
Company shall immediately give notice thereof to the Representative and the 
non-defaulting Underwriters shall have the right within 24 hours after the 
receipt by the Representative of such notice to purchase, or procure one or 
more other Underwriters to purchase, in such proportions as may be agreed 
upon among the Representative and such purchasing Underwriter or Underwriters 
and upon the terms set forth herein, all or any part of the Firm Stock that 
such defaulting Underwriter or Underwriters agreed to purchase.  If the 
non-defaulting Underwriters fail to make such arrangements with respect to 
all such Stock, the number of shares of Firm Stock that each non-defaulting 
Underwriter is otherwise obligated to purchase under this Agreement shall be 
automatically increased on a pro rata basis to absorb the remaining shares of 
Stock that the defaulting Underwriter or Underwriters agreed to purchase; 
provided, however, that the non-defaulting Underwriters shall not be 
obligated to purchase the Stock that the defaulting Underwriter or 
Underwriters agreed to purchase if the aggregate amount of such Stock exceeds 
10% of the aggregate amount of Firm Stock that all Underwriters agreed to 
purchase under this Agreement.  If the total number of shares of Firm Stock 
that the defaulting Underwriter or Underwriters agreed to purchase shall not 
be purchased or absorbed in accordance with the two preceding sentences, the 
Company shall have the right, within 24 hours next succeeding the first 
24-hour period above referred to, to make arrangements with other 
underwriters or purchasers satisfactory to the Representative for purchase of 
such Stock on the terms set forth in this Agreement.  In any such case, 
either the Representative or the Company shall have the right to postpone the 
Closing Date determined as provided in Section 2(c) of this Agreement for not 
more than seven business days after the date originally fixed as the Closing 
Date pursuant to Section 2(c) in order that any necessary changes in the 
Registration Statement, the Prospectus or any other documents or arrangements 
may be made.

     If neither the non-defaulting Underwriters nor the Company shall make 
arrangements within the time periods set forth above for the purchase of all 
the Firm Stock that the defaulting Underwriter or Underwriters agreed to 
purchase hereunder, this Agreement shall be terminated without further act or 
deed and without any liability on the part of the Company and the Selling 
Shareholders to any non-defaulting Underwriter (except as provided in Section 
4 or Section 7 of this Agreement) and without any liability on the part of 
any non-defaulting Underwriters to the Company and the Selling Shareholders 
(except to the extent provided in Section 7 of this Agreement).  Nothing in 
this Section 8, and no action taken hereunder, shall relieve any defaulting 
Underwriter from liability, if any, to the Company and the Selling 
Shareholders or any non-defaulting Underwriter for damages occasioned by its 
default under this Agreement.  The term "Underwriter" in this Agreement shall 
include any persons substituted for an Underwriter under this Section 8.

                                 -30-

<PAGE>

     9.   EFFECTIVE DATE OF AGREEMENT AND TERMINATION.

     (a)  If the Registration Statement has not been declared effective prior 
to the date of this Agreement, this Agreement shall become effective at such 
time, after notification of the effectiveness of the Registration Statement 
has been released by the Commission, as the Representative and the Company 
shall agree upon the public offering price and other terms and the purchase 
price of the Stock.  If the public offering price and other terms and the 
purchase price of the Stock shall not have been determined prior to 5:00 
p.m., New York time, on the third full business day after the Registration 
Statement has become effective, this Agreement shall thereupon terminate 
without liability on the part of the Company and the Selling Shareholders to 
the Underwriters (except as provided in Section 4 or Section 7 of this 
Agreement).  By giving notice before the time this Agreement becomes 
effective, the Representative, as Representative of the several Underwriters, 
may prevent this Agreement from becoming effective without liability of any 
party to the other party, except that the Company shall remain obligated to 
pay costs and expenses to the extent provided in Section 4 and Section 7 of 
this Agreement.  If the Registration Statement has been declared effective 
prior to the date of this Agreement, this Agreement shall become effective 
upon execution and delivery by the Representative, the Company and the 
Selling Shareholders.

     (b)  This Agreement may be terminated by the Representative in its 
absolute discretion by giving written notice to the Company and the Selling 
Shareholders at any time on or prior to the Closing Date or, with respect to 
the purchase of the Option Stock, on or prior to any later date on which the 
Option Stock is to be purchased, as the case may be, if prior to such time 
any of the following has occurred or, in the Representative's opinion, is 
likely to occur: (i) after the respective dates as of which information is 
given in the Registration Statement and the Prospectus, any material change 
or development involving a prospective adverse change in or affecting the 
business, properties, condition (financial or otherwise), results of 
operations or prospects of the Company and its subsidiaries taken as a whole, 
which would, in the Representative's sole judgment, make the offering or the 
delivery of the Stock impracticable or inadvisable; or (ii) if trading in 
securities of the Company has been suspended by the Commission or if trading 
generally on the New York Stock Exchange, American Stock Exchange or 
over-the-counter market has been suspended or minimum or maximum prices for 
trading have been fixed, or maximum ranges for prices for securities have 
been required, by either of such exchanges, by the NASD or by the Commission; 
or (iii) if there shall have been the enactment, publication, decree or other 
promulgation of any federal or state statute, regulation, rule or order of, 
or commencement of any proceeding or investigation by, court, legislative 
body, agency or other governmental authority which in the Representative's 
sole judgment materially affects or may materially affect the business, 
properties, condition (financial or otherwise), results of operations or 
prospects of the Company and its subsidiaries taken as a whole; (iv) if there 
shall have been the declaration of a banking moratorium by federal, New York, 
California or Washington authorities; (v) existing international monetary 
conditions shall have undergone a material change which, in the 
Representative's sole judgment, makes the offering or delivery of the Stock 
impracticable or inadvisable; or (vi) if there has occurred any material 
change in the 

                                     -31-

<PAGE>

financial markets in the United States or internationally or any outbreak of 
hostilities or escalation of existing hostilities or other crisis, the effect 
of which in the Representative's sole judgment make the offering or delivery 
of the Stock impracticable or inadvisable.  If this Agreement shall be 
terminated pursuant to this Section 9, there shall be no liability of the 
Company or the Selling Shareholders to the Underwriters (except pursuant to 
Section 4 and Section 7 of this Agreement) and no liability of the 
Underwriters to the Company or the Selling Shareholders (except pursuant to 
Section 7 of this Agreement).

     10.  NOTICES.  Except as otherwise provided herein, all communications 
hereunder shall be in writing sent by U.S. first class mail, by a nationally 
recognized overnight courier service, by hand delivery, or by telephonically 
confirmed facsimile transmission or electronic mail (i) to the Underwriters 
at Van Kasper & Company, 11661 San Vincente Boulevard, Suite 709, Los 
Angeles, California 90049, Attention: Bruce P. Emmeluth (facsimile: (310) 
820-5032, email: [*____*] ); and (ii) to the Company at 7175 NW Evergreen 
Parkway, Suite 400, Hillsboro, Oregon  97124-5839, Attention:  Stephen A. 
Aanderud; (facsimile: (503) 615-3300, email: [email protected]) and 
(iii) to the Selling Shareholders at [*_________*] .  All notices given by 
facsimile or electronic mail shall be promptly confirmed by letter.

     11.  PERSONS ENTITLED TO THE BENEFIT OF THIS AGREEMENT.  This Agreement 
shall inure to the benefit of the Company, the Selling Shareholders and the 
several Underwriters and, with respect to the provisions of Section 4 and 
Section 7 of this Agreement, the several parties (in addition to the Company, 
the Selling Shareholders and the several Underwriters) indemnified under the 
provisions of Section 4 and Section 7 and, in addition as to Section 13, the 
Representative, and their respect personal representatives, successors and 
assigns (whether such succession or assignment is by sale, assignment, 
merger, reverse merger, consolidation, operation of law or, without 
limitation, otherwise).  Nothing in this Agreement is intended or shall be 
construed to give to any other person, firm or corporation any legal or 
equitable remedy or claim under or in respect of this Agreement or any 
provision contained herein. The term "successors and assigns" as herein used 
shall not include any purchaser, as such, of any of the Stock from the 
several Underwriters.

     12.  GENERAL.  Notwithstanding any provision of this Agreement to the 
contrary, the reimbursement, indemnification and contribution agreements 
contained in this Agreement and the representations, warranties, covenants 
and agreements in this Agreement shall remain in full force and effect 
regardless of (a) any termination of this Agreement, (b) any investigation 
made by or on behalf of the Selling Shareholders, any Underwriter or 
controlling person thereof or by or on behalf of the Company or their 
respective directors or officers and (c) delivery and payment for the Stock 
under this Agreement; provided, however, that if this Agreement is terminated 
prior to the Closing Date, paragraphs (vi) through (xiii) of Section 3(a) of 
this Agreement shall be of no further force or effect.

     This Agreement may be executed in two or more counterparts, each of which
shall constitute an original, but all of which together shall constitute one
and the same instrument.

                                     -32-

<PAGE>

     THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE 
INTERNAL LAWS, AND NOT THE LAWS PERTAINING TO CHOICE OR CONFLICT OF LAWS, OF 
THE STATE OF CALIFORNIA.

     13.  AUTHORITY OF THE REPRESENTATIVE.  In connection with this 
Agreement, the Representative will act for and on behalf of the several 
Underwriters, and any action taken under this Agreement by the 
Representative, as representative of the several Underwriters, will be 
binding on all of the Underwriters.

     If the foregoing correctly sets forth your understanding, please so 
indicate by signing in the space provided below for that purpose, whereupon 
this letter shall constitute a binding agreement among the Company, the 
Selling Shareholders and the several Underwriters.

                              Very truly yours,

                              THRUSTMASTER, INC.



                              __________________________________________
                              By:  Stephen A. Aanderud
                              Its: President and Chief Executive Officer


                              SELLING SHAREHOLDERS:
                              [LIST NAMES]


                              By:  [Name]
                              Attorney-in-Fact

The foregoing Agreement is hereby confirmed and accepted as of the date first 
above written.

VAN KASPER & COMPANY



By: __________________________
     Bruce P. Emmeluth
     Managing Director

On its behalf and on behalf of
each of the several Underwriters
named in Schedule I hereto

                                     -33-

<PAGE>


                                  SCHEDULE I

                                 UNDERWRITERS


                                                   Shares of Firm Stock
         Underwriters                                 to be Purchased
- ---------------------------------           ----------------------------------
Van Kasper & Company
                                                         _________
Total

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


                                     -34-

<PAGE>


                                    ANNEX A

                    Matters to be Covered in the Opinion of
                                  Perkins Coie


     (i)      Each of the Company and each of its subsidiaries has been duly 
organized and is validly existing as a corporation in good standing under the 
laws of its jurisdiction of incorporation;

     (ii)     Each of the Company and each of its subsidiaries has the 
corporate power to own, lease and operate its properties and to conduct its 
business as described in the Prospectus;

     (iii)    Each of the Company and each of its subsidiaries is duly 
qualified to do business as a foreign corporation and is in good standing in 
all jurisdictions in which the ownership or leasing of its properties or the 
conduct of its business requires such qualification, except where the failure 
so to qualify would not have a material adverse effect on the business, 
properties, condition (financial or otherwise), results of operations or 
prospects of the Company and its subsidiaries taken as a whole;

     (iv)     The authorized, issued and outstanding capital stock of the 
Company is as set forth in the Prospectus under the caption "Capitalization" 
as of the dates stated therein; the issued and outstanding shares of capital 
stock of the Company and its subsidiaries have been duly and validly 
authorized and issued, are fully paid and nonassessable and have not been 
issued in violation of any preemptive right or other rights to subscribe for 
or purchase securities or, except to the extent any such violations would not 
be material to the Company and its subsidiaries taken as a whole (whether 
because of the magnitude of the violation, because any claims thereof would 
be barred by the statute of limitations or otherwise), in violation of any 
applicable federal or state securities laws, provided that in rendering their 
opinion as to non-violation of federal and state securities laws, such 
counsel may assume, unless counsel has knowledge of facts that may render 
such assumption unreasonable; that any purchasers had, to the extent relevant 
and represented by such purchasers in writing, any required investment intent 
and the Company directly or indirectly owns all of the issued and outstanding 
equity securities of each of its subsidiaries and there are no outstanding 
options, warrants or other rights to acquire any equity securities of any 
such subsidiary;

     (v)      The Company has corporate power and authority to enter into the 
Agreement and to issue, sell and deliver the Stock to the Underwriters;

     (vi)     The execution, delivery and performance of this Agreement and 
the issuance and sale of the Stock do not (A) conflict with, violate, result 
in a breach of or constitute a default (or an event that with notice or lapse 
of time, or both, would constitute a default) under the Articles of 
Incorporation or By-laws of the Company or any agreement (including, without 
limitation, an 

                                     -35-

<PAGE>

agreement with respect to registration rights) to which the Company is a 
party or by which it or any of its properties or assets is bound and which is 
known to such counsel or (B) result in violation of any material federal or 
Oregon law, rule or regulation or, to the best knowledge of such counsel, any 
writ, judgment, order, injunction or decree of any government, governmental 
body, agency or court or any arbitration tribunal having jurisdiction over 
the Company or any of its properties;

     (vii)    The Stock to be sold by the Company is duly authorized and, 
when issued and delivered against payment in full therefor, will be validly 
issued, fully paid, non-assessable, and free of preemptive rights;

     (viii)   The Underwriting Agreement has been duly authorized by all 
necessary corporate action on the part of the Company and has been duly 
executed and delivered by the Company and, assuming the due authorization, 
execution and delivery of the Underwriting Agreement by the Representative 
and the Selling Shareholders, is the valid and binding agreement of the 
Company, except insofar as the indemnification and contribution provisions of 
the Underwriting Agreement may be limited by public policy concerns and 
except as enforceability may be limited by bankruptcy, insolvency, 
reorganization, moratorium or similar laws affecting creditors' rights 
generally or by general equitable principles;

     (ix)     Except for the order of the Commission making the Registration 
Statement effective and similar authorizations required under the securities 
or "Blue Sky" laws of certain jurisdictions (as to which such counsel need 
express no opinion), no consent, approval, authorization or other order of 
any federal or Washington governmental body or, to the knowledge of such 
counsel, other person is required in connection with the authorization, 
issuance, sale and delivery of the Stock and the execution, delivery and 
performance by the Company of the Underwriting Agreement;

     (x)      The Registration Statement has become effective under the 
Securities Act and, to the best knowledge of such counsel, no stop order 
suspending the effectiveness of the Registration Statement has been issued 
and no proceedings for that purpose have been instituted or are pending or 
threatened under the Securities Act;

     (xi)     The Registration Statement and the Prospectus, and each 
amendment or supplement thereto (other than the financial statements, 
financial data and supporting schedules included therein, as to which such 
counsel need express no opinion), as of the effective date of the 
Registration Statement, complied as to form in all material respects with the 
requirements of the Securities Act and the applicable Rules and Regulations;

     (xii)    We have reviewed the statements set forth under the heading 
"Description of Capital Stock" in the Prospectus, insofar as such statements 
purport to summarize certain provisions of the capital stock of the Company, 
provide a fair summary of such provisions; and the statements set forth under 
the headings "Shares Eligible for Future Sale" and "Legal Proceedings" in the 
Prospectus, insofar as such statements constitute a summary of the legal 

                                     -36-

<PAGE>

matters, documents or proceedings referred to therein, fairly present the 
information called for with respect to such legal matters, documents and 
proceedings in all material respects as required by the Securities Act and 
the applicable Rules and Regulations;

     (xiii)   The Company is not an "investment company" and, after giving 
effect to the Offering and the application of the proceeds therefrom, will 
not be an "investment company", as such term is defined in the Investment 
Company Act of 1940, as amended;

     (xiv)    The description in the Registration Statement and the 
Prospectus of the charter and bylaws of the Company and of statutes and 
contracts are accurate in all material respects and fairly present in an 
material respects the information required to be presented by the Securities 
Act and the Rules and Regulations;

     (xv)     To the best knowledge of such counsel, there are no agreements, 
contracts, licenses, leases or documents of a character required to be 
described or referred to in the Registration Statement or Prospectus or to be 
filed as an exhibit to the Registration Statement that are not described or 
referred to therein and filed as required;

     (xvi)    To the best knowledge of such counsel, there are no legal or 
governmental proceedings pending or threatened to which the Company or any of 
its subsidiaries is a party or to which the property of the Company or any of 
its subsidiaries is subject that are required to be described in the 
Registration Statement or the Prospectus and are not described therein or any 
statutes, regulations, contracts or other documents that are required to be 
described in the Registration Statement or the Prospectus or to be filed as 
exhibits to the Registration Statement that are not described therein or 
filed as required;

     (xvii)   To the best knowledge of such counsel, neither the Company nor 
any of its subsidiaries is presently in breach of, or in default under, any 
bond, debenture, note or other evidence of indebtedness or any contract, 
indenture, mortgage, deed of trust, loan agreement, lease, license or, 
without limitation, other agreement or instrument to which the Company or any 
of its subsidiaries is a party or by which any of their properties are bound 
that, individually or in the aggregate, is material to the business, 
properties, condition (financial or otherwise), prospects or results of 
operations or prospects of the Company and its subsidiaries taken as a whole;

     (xviii)  To the best knowledge of such counsel, except as set forth in 
the Registration Statement and Prospectus, no holders of Common Stock or 
other securities of the Company have registration rights with respect to any 
securities of the Company; and

     (xix)    With respect to each Selling Shareholder:

                                     -37-

<PAGE>

          (A)  each Selling Shareholder has the full right, power and 
authority to enter into the Underwriting Agreement and the Custody Agreement 
and to carry out all the terms and provisions thereof;

          (B)  the Underwriting Agreement, the Custody Agreement and the 
Power-of-Attorney have been duly authorized, executed and delivered by each 
Selling Shareholder and, assuming due authorization, execution and delivery 
by the Representative, the Company and/or Custodian, as applicable, the 
Underwriting Agreement, the Custody Agreement and the Power-of-Attorney are 
the legal, valid, binding and enforceable agreements or instruments of such 
Selling Shareholder, except insofar as the indemnification and contribution 
provisions of the Underwriting Agreement may be limited by public policy 
concerns and except as enforceability may be limited by bankruptcy, 
insolvency, reorganization, moratorium or similar laws affecting creditors' 
rights generally or by general equitable principles;

          (C)  assuming that (I) the Underwriters have no notice of any 
adverse claims with respect to the Stock being sold hereunder by such Selling 
Shareholder, and (II) the certificates representing the Stock being sold by 
such Selling Shareholder are delivered to the Underwriters duly endorsed or 
accompanied by a duly executed assignment separate from certificate in the 
State of California, the delivery by such Selling Shareholder to the several 
Underwriters of certificates for the Stock being sold hereunder by such 
Selling Shareholder against payment therefor as provided herein, will convey 
good and marketable title to such Stock to the several Underwriters, free and 
clear of all "adverse claims" (as that term is defined in Section 8302 of the 
Commercial Code of the State of California); and

          (D)  the sale of the Stock to the Underwriters by such Selling 
Shareholder pursuant to the Underwriting Agreement, the compliance by such 
Selling Shareholder with the other provisions of the Underwriting Agreement 
and the Custody Agreement, and the consummation of the other transactions 
therein contemplated do not (I) require the consent, approval, authorization, 
registration or qualification of or with any governmental authority, except 
such as have been obtained and such as may be required under state securities 
or blue sky laws, or (II) conflict with or result in a breach or violation of 
any of the terms and provisions of, or constitute a default under, any 
statute or, to the knowledge of such counsel, any indenture, mortgage, deed 
of trust, lease or other agreement or instrument to which such Selling 
Shareholder is a party or by which such Selling Shareholder or any of such 
Selling Shareholder's properties are bound or any judgment, decree, order, 
rule or regulation of any court or other governmental authority or any 
arbitrator applicable to such Selling Shareholder.

          In addition, such counsel shall state that such counsel has 
participated in conferences with officers and other representatives of the 
Company, the independent public accountants of the Company, the 
Representative and counsel to the Underwriters, at which conferences the 
contents of the Registration Statement and the Prospectus and related matters 
were discussed and, although they have not independently verified the 
accuracy, completeness or fairness of the statements contained in the 
Registration Statement or the Prospectus, nothing has come to the attention 
of such counsel that caused them to believe that, at the time the 

                                     -38-

<PAGE>

Registration Statement became effective, the Registration Statement (except 
as to financial statement, financial data and supporting schedules contained 
therein, as to which such counsel need express no opinion) contained any 
untrue statement of a material fact or omitted to state a material fact 
required to be stated therein or necessary to make the statements therein not 
misleading, or at the Closing Date or any later date on which the Option 
Stock is to be purchased, as the case may be, the Prospectus contained any 
untrue statement of a material fact or omitted to state a material fact 
required to be stated therein or necessary to make the statements therein, in 
light of the circumstances under which they were made, not misleading.

                                     -39-


<PAGE>
                                                                     EXHIBIT 5.1

                                 PERKINS COIE
             A Law Partnership Including Professional Corporations
     1211 Southwest Fifth Avenue, Suite 1500  Portland, Oregon  97204-3715
              Telephone:  503 727-2000  Facsimile:  503 727-2222


                               November 14, 1997



Thrustmaster, Inc.
7175 NW Evergreen Pkwy., Suite 400
Hillsboro, OR  97124-5839

     RE:  REGISTRATION STATEMENT ON FORM S-1

Dear Sirs:

     We have acted as counsel to Thrustmaster, Inc., an Oregon corporation 
(the "Company") and a selling shareholder (the "Selling Shareholder"), in 
connection with the Registration Statement on Form S-1 (the "Registration 
Statement") filed by the Company under the Securities Act of 1933, as amended 
(the "Securities Act"), and the rules and regulations promulgated thereunder 
(the "Rules") with the Securities and Exchange Commission in connection with 
a proposed underwritten public offering of up to 1,725,000 shares of the 
Company's common stock (the "Shares").  The Shares are to be sold by the 
Company and the Selling Shareholder pursuant to an underwriting agreement 
(the "Underwriting Agreement") among the Company, the Selling Shareholder and 
Van Kasper & Company, as the representative of the several underwriters named 
in the Underwriting Agreement.

     We have examined such certificates, agreements, records and other 
documents as we have deemed relevant as a basis for this opinion.  We have 
assumed, without independent investigation, (i) the genuineness of all 
signatures, the authenticity of all documents submitted to us as originals, 
the conformity to original documents of all documents submitted to us as 
photostatic or facsimile copies, and the authenticity of the originals of 
such copies, (ii) the accuracy of the factual representations made to us by 
officers and other representatives of the Company, whether evidenced by 
certificates or 

<PAGE>
November 14, 1997
Page 2

otherwise, and (iii) that all actions contemplated by the Registration 
Statement have been and will be carried out only in the manner described 
therein.

     Based on the foregoing, we are of the opinion that (i) that the Shares 
to be sold by the Selling Shareholder are validly issued, fully paid and non 
assessable; and (ii) the Shares to be sold by the Company have been duly 
authorized and, when such Shares have been issued and paid for in accordance 
with the terms of the Underwriting Agreement, will be validly issued, fully 
paid and nonassessable.

     In giving the opinion expressed herein, we express no opinion as to the 
laws of any jurisdiction other than the laws of the State of Oregon and 
federal laws of the United States.

     We consent to the filing of this opinion as an exhibit to the 
Registration Statement and to the references to our firm in the Prospectus 
made part of the Registration Statement under the caption "Legal Matters."  
In giving such consent, we do not hereby admit that we are in the category of 
persons whose consent is required under Section 7 of the Securities Act or 
related Rules. This Consent may be incorporated by reference in any amendment 
to the Registration Statement filed pursuant to Rule 462(b) of Regulation C 
under the Securities Act.

                              Sincerely,

                              /s/  Perkins Coie

                              PERKINS COIE





<PAGE>
                                                               EXHIBIT 10.5

N.W. OREGON BUSINESS 
BANKING CENTER 
8625 S.W Cascade Avenue, Suite 400 
Beaverton, OR 97008 
October 8, 1997

Mr. Kent Koski
Vice President Finance & Administration
ThrustMaster, Inc.
7175 NW Evergreen Parkway #400
Portland, Oregon 97124

Dear Kent,

I am pleased to advise you that United States National Bank of Oregon has 
approved your request for a short term increase in your revolving line of 
credit subject to the following terms and conditions:

    BORROWER:                          ThrustMaster, Inc.

OPERATING LINE OF CREDIT 

    MAXIMUM LOAN AMOUNT:               Increase to $5,000,000 until 1/31/98.

    PURPOSE:                           General corporate purposes and to 
                                       support letters of credit.

    INTEREST RATE:                     OPTION 1

                                       Fully floating variable interest rate
                                       equal to U.S. Bank's prime rate.

                                       OPTION 2

                                       LIBOR plus 250 basis points.  1, 2, 3 
                                       or 6 month terms.  Minimum advance 
                                       amount $250,000.  Advances over 
                                       $250,000 shall be in increments of 
                                       $100,000.  No prepayment is allow on 
                                       LIBOR indexed loans.

<PAGE>

ThrustMaster, Inc.
October 8, 1997

                                       RATES TIED TO PRIME: Prime tied rates 
                                       are floating rates, adjusted the same 
                                       day as any change in Bank's prime 
                                       rate.

                                       LIBOR:  The LIBOR rate is the rate 
                                       per annum established by Lender as 
                                       its LIBOR rate, based on a 
                                       determination of the rate of interest 
                                       at which U. S. dollar deposits would 
                                       be offered to U.S. Bank in the London 
                                       interbank market at approximately 
                                       11:00 a.m. London time two business 
                                       days prior to the effective date of 
                                       the rate (adjusted for reserves, if 
                                       any).

                                       REQUIRED NOTICE:  Two business-days' 
                                       notice is required on LIBOR advances. 
                                       For example, rates quoted today would 
                                       be effective for an advance made two 
                                       business days later.

                                       TIME ALLOCATED FOR DECISION:  LIBOR 
                                       interest rate quotes may be obtained 
                                       from Lender between 8:00 a.m. and 
                                       10:00 a.m. and must be accepted by 
                                       10:00 a.m. Rates quoted are for rates 
                                       which are to become effective two 
                                       business days later.

                                       ELECTION/MATURITY:  Borrower will 
                                       notify Bank in writing of its 
                                       election to advance funds under the 
                                       LIBOR option.  Notification will 
                                       include the amount to be advanced, 
                                       the term of the advance, and must be 
                                       signed by an officer of the company.  
                                       Any amounts advanced under an LIBOR 
                                       option shall at maturity, roll into 
                                       the Prime Tied Option.

<PAGE>

ThrustMaster, Inc.
October 8, 1997

                                       All interest under both rate options 
                                       described above shall be computed on 
                                       the basis of a 360-day year and the 
                                       actual number of days elapsed.

    MATURITY DATE:                     Payable on demand.

    REPAYMENT:                         Principal and interest payable on demand.
                                       Interest payable monthly in absence of 
                                       demand.

    LOAN FEE:                          Non-refundable upfront loan fee of 1/8% 
                                       of $4,000,000, prorated 4 months 
                                       ($1,667).

    COLLATERAL:                        Perfected first priority security 
                                       interest in all of Borrower's now 
                                       owned and hereafter acquired accounts 
                                       receivable, inventory and equipment.

                             OPERATING REQUIREMENTS

1.  60% advance against eligible A/R to 30 days past due.

2.  Definition of Ineligible A/R includes (but is not limited to) the
    following:

    -    All invoices aged beyond 30 days past due.

    -    Inter or related company sales.

    -    Sales exceeding debtor credit limits established by Bank at its sole
         discretion on concentration accounts which equal or exceed $1,000,000.

    -    Foreign accounts.  Canadian accounts are eligible.

3.  Borrower's certificates are to be provided to U.S. Bank on a monthly basis,
    as of month end.

4.  Summary account receivable agings and accounts payable aging to be provided
    to U.S. Bank on monthly basis.

<PAGE>

ThrustMaster, Inc.
October 8, 1997

5.  Collateral exam may be required annually.

6.  Account debtor address listing to be provided annually.

THE ABOVE OPERATING REQUIREMENTS WILL APPLY ONLY UNTIL JANUARY 31, 1998.  
AFTER THAT DATE THE OPERATING REQUIREMENT IN THE LETTER OF UNDERSTANDING 
DATED JUNE 19, 1997 WILL APPLY.

                            FINANCIAL REPORTING

1.  Annual CPA audited financial statement within 120 days after the end of
    each fiscal year.

2.  Quarterly company prepared financial statements, within 30 days after the
    end of each calendar quarter.

                      GENERAL TERMS AND CONDITIONS

1.  PRIME RATE:  U.S. Bank's prime rate is the rate of interest which U.S. Bank
    from time to time establishes as its prime rate and is not, for example,
    the lowest rate of interest which U.S. Bank collects from any borrower or
    class of borrowers.

2.  LOAN ADVANCES:  Advances may be requested by Borrower from time to time in
    accordance with the terms of the promissory note.  All advances shall be
    made at the sole option of U.S. Bank.  U.S. Bank may decline to make any
    advance and may terminate the availability of advances at any time.

3.  INSURANCE:  Borrower shall maintain insurance in such amounts and covering
    such risks as U.S. Bank shall require.

4.  FINANCIAL REPORTING:  At any time requested by U.S. Bank, Borrower shall
    furnish any additional information regarding Borrower's financial condition
    and business operations that U.S. Bank requests.  This information may
    include, but is not limited to, financial statements, tax returns, lists of
    assets and liabilities, agings of receivables and payables, inventory
    schedules, budgets and forecasts.

5.  LOAN DOCUMENTATION:  Borrower shall deliver to U.S. Bank duly executed
    promissory notes, deeds of trust, mortgages, security agreements, financing
    statements, loan agreements, guaranties, borrower authorizations, attorney

<PAGE>

ThrustMaster, Inc.
October 8, 1997

    opinion letters and other documents ("Loan Documents") as required by U.S.
    Bank in form and substance satisfactory to U.S. Bank and its counsel.

6.  NON-ASSIGNABLE:  This credit accommodation may not be assigned by Borrower. 
    No  guarantor or any third party is intended as a third-party beneficiary
    or has any right to rely hereon.

7.  ARBITRATION:  Borrower and U.S. Bank hereby agree to be bound by the terms
    of the Arbitration clause attached hereto as Exhibit A.

8.  EXPENSES:  Borrower shall reimburse U.S. Bank for all out-of-pocket
    expenses incurred in connection with this credit accommodation upon demand,
    whether or not this transaction closes or is funded.  Such expenses shall
    include, without limitation, attorney fees, title insurance fees, travel
    costs, examination expenses, and filing fees.

9.  EXPIRATION DATE:  This offer will expire on October 31, 1997.

10. ACCESS LAWS:  Without limiting the generality of any provision of this
    agreement requiring Borrower to comply with applicable laws, rules, and
    regulations, Borrower agrees that it will at all times comply with
    applicable laws relating to disabled access including, but not limited to,
    all applicable titles of the Americans with Disabilities Act of 1990.

This letter summarizes certain principal terms and conditions relating to the 
loan and supersedes all prior oral or written negotiations, understandings, 
representations and agreements with respect to the loan.  However, the Loan 
Documents will include additional terms, conditions, covenants, 
representations, warranties and other provisions which U.S. Bank customarily 
includes in similar transactions or which US Bank determines to be 
appropriate to this transaction. Except to the extent modified by any other 
agreement, all terms, condition, covenants and other provisions of this 
letter shall remain in effect until the revolving line of credit (including 
any renewals, extensions or modifications) is terminated and the loan balance 
is paid in full, and by signing below, Borrower agrees to comply with all 
such provisions.

In addition to the events of default in any Loan Document, any failure to 
comply with any term, condition or obligation in this letter shall constitute 
an event of default under each of the Loan Documents.  The provisions of this 
letter shall survive the closing of the loan and the execution and delivery 
of the Loan Documents.  In the event of a conflict between this letter and 
the Loan Documents, the terms of the Loan Documents shall control.

<PAGE>

ThrustMaster, Inc.
October 8, 1997


UNDER OREGON LAW, MOST AGREEMENTS, PROMISES AND COMMITMENTS MADE BY LENDERS 
AFTER OCTOBER 3, 1989 CONCERNING LOANS AND OTHER CREDIT EXTENSIONS WHICH ARE 
NOT FOR PERSONAL, FAMILY OR HOUSEHOLD PURPOSES OR SECURED SOLELY BY THE 
BORROWER'S RESIDENCE MUST BE IN WRITING, EXPRESS CONSIDERATION AND BE SIGNED 
BY THE LENDER TO BE ENFORCEABLE.

ORAL AGREEMENTS OR ORAL COMMITMENTS TO LOAN MONEY, EXTEND CREDIT, OR TO 
FORBEAR FROM ENFORCING REPAYMENT OF A DEBT ARE NOT ENFORCEABLE UNDER 
WASHINGTON LAW.

If the above terms and conditions are acceptable to you, please sign, date 
and return the acknowledgment copy of this letter on or before the Expiration 
Date.

Sincerely,

/s/ Debbie Sidley

Debbie Sidley
VP & Commercial Account Office;
526-6018
    
Borrower hereby accepts U.S. Bank's offer to extend credit on terms and 
conditions stated above.  Borrower hereby agrees to the Arbitration clause 
set forth in Exhibit A attached hereto.

ThrustMaster, Inc.


By: /s/ Kent Koski
Title:   VP - Finance
Date:    10/17/97 

<PAGE>

                                EXHIBIT A

ARBITRATION.  U.S. Bank and Borrower agree that all disputes, claims and 
controversies between them, whether individual, joint, or class in nature, 
arising from this letter or the revolving line of credit or otherwise, 
including without limitation contract and tort disputes, shall be arbitrated 
pursuant to the Rules of the American Arbitration Association, upon request 
of either party. No act to take or dispose of any collateral securing any 
loan shall constitute a waiver of this arbitration agreement or be prohibited 
by this arbitration agreement.  This includes, without limitation, obtaining 
injunctive relief or a temporary restraining order; foreclosing by notice and 
sale under any deed of trust or mortgage; obtaining a writ of attachment or 
imposition of a receiver; or exercising any rights relating to personal 
property, including taking or disposing of such property with or without 
judicial process pursuant to Article 9 of the Uniform Commercial Code.  Any 
disputes, claims, or controversies concerning the lawfulness or 
reasonableness or any act, or exercise of any right, concerning any 
collateral securing any loan, including any claim to rescind, reform, or 
otherwise modify any agreement relating to the collateral securing any loan, 
shall also be arbitrated, provided however that no arbitrator shall have the 
right or other power to enjoin or restrain any act of any party. Judgment 
upon any award rendered by any arbitrator may be entered in any court having 
jurisdiction.  Nothing herein shall preclude any party from seeking equitable 
relief from a court of competent jurisdiction.  The stature of limitations, 
estoppel, waiver, laches, and similar doctrines which would otherwise be 
applicable in an action brought by a party shall be applicable in any 
arbitration proceeding, and the commencement of an arbitration proceeding 
shall be deemed the commencement of any action for these purposes.  The 
Federal Arbitration Act shall apply to the construction, interpretation, and 
enforcement of this arbitration provision.


<PAGE>
                                                                     EXHIBIT 11


                              THRUSTMASTER, INC.

                STATEMENT OF COMPUTATION OF PER SHARE EARNINGS
               (IN THOUSANDS, EXCEPT NET INCOME PER SHARE DATA)
                                  (UNAUDITED)



<TABLE>
<CAPTION>
                                                     YEARS ENDED DECEMBER 31,
                                              --------------------------------------   NINE MONTHS ENDED
                                                1994           1995           1996     SEPTEMBER 30, 1997
                                              --------       --------       --------   ------------------
<S>                                           <C>            <C>            <C>        <C>
Net income ..............................     $  1,138       $  1,361       $  2,259       $  1,454

Weighted average shares outstanding......        2,957          4,293          4,647          4,807
Net income per share.....................     $   0.38       $   0.32       $   0.49       $   0.30

Common stock equivalent arising from
   stock options and warrants............          713            646            465            553
Weighted average shares outstanding
   (fully diluted).......................        3,670          4,939          5,112          5,360
Net income per share (fully diluted).....     $   0.31       $   0.28       $   0.44       $   0.27
</TABLE>


<PAGE>
                                                                     EXHIBIT 21


                               THRUSTMASTER, INC.

                              LIST OF SUBSIDIARIES


               NAME                           JURISDICTION OF INCORPORATION
               ----                           -----------------------------

ThrustMaster Foreign Sales Corporation


<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from
ThrustMaster, Inc. Consolidated statements of Income for the period ended
September 30, 1997; and ThrustMaster Inc. Consolidated Balance Sheet at
September 30, 1997 and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                           5,376
<SECURITIES>                                         0
<RECEIVABLES>                                    9,635
<ALLOWANCES>                                         0
<INVENTORY>                                      5,300
<CURRENT-ASSETS>                                20,935
<PP&E>                                           3,714
<DEPRECIATION>                                   1,836
<TOTAL-ASSETS>                                  22,844
<CURRENT-LIABILITIES>                            5,293
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        13,474
<OTHER-SE>                                       4,051
<TOTAL-LIABILITY-AND-EQUITY>                    22,844
<SALES>                                         23,930
<TOTAL-REVENUES>                                23,930
<CGS>                                           14,814
<TOTAL-COSTS>                                   14,814
<OTHER-EXPENSES>                                 7,156
<LOSS-PROVISION>                                     6
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  2,244
<INCOME-TAX>                                       790
<INCOME-CONTINUING>                              1,454
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,454
<EPS-PRIMARY>                                      .30
<EPS-DILUTED>                                      .30
        

</TABLE>


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