SILICONIX INC
10-K, 1999-03-31
SEMICONDUCTORS & RELATED DEVICES
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                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549
                                    FORM 10-K

[X]  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 
                              EXCHANGE ACT OF 1934

                   For the fiscal year ended December 31, 1998

                                       OR

[ ]   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 
                              EXCHANGE ACT OF 1934

           For the transition period from _____________ to ___________

                          Commission file number 0-3698

                             SILICONIX INCORPORATED
             (Exact name of registrant as specified in its charter)

            Delaware                                       94-1527868
(State or other jurisdiction of                        (I.R.S. employer
incorporation or organization)                        identification no.)

                              2201 Laurelwood Road
                          Santa Clara, California 95054
                    (Address of principal executive offices)

                                 (408) 988-8000
              (Registrant's telephone number, including area code)

        Securities registered pursuant to Section 12(b) of the Act: None

           Securities registered pursuant to Section 12(g) of the Act:

                          Common Stock, $0.01 par value
                                (Title of Class)

     Indicate  by check mark  whether the  registrant  (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934  during  the  preceding  12 months  (or for such  shorter  period  that the
registrant  was required to file such  reports) and (2) has been subject to such
filing requirements for the past 90 days.
                                  
                                Yes [X]    No [ ]

     Indicate by check mark if disclosure of delinquent  filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's  knowledge,  in definitive proxy or information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [ ]

     The  aggregate  market  value of  voting  stock  held by  nonaffiliates  is
$46,356,000,  based upon the closing price for the registrant's  Common Stock on
March 11, 1999 ($23.8125).

     The number of shares of the  registrant's  Common  Stock,  $0.01 par value,
outstanding at March 11, 1999 was 9,959,680.

                       DOCUMENTS INCORPORATED BY REFERENCE

1. Portions of the Siliconix  incorporated  1998 Annual Report to  Shareholders:
Parts I, II, and IV.

2.   Portions of the definitive Proxy Statement dated April 30, 1999 to be filed
     with the  Securities  and Exchange  Commission  on or about April 30, 1999,
     pursuant  to  Section  14 of  the  Securities  Exchange  Act  of  1934,  in
     connection  with the 1999  Annual  Meeting  of  Shareholders  of  Siliconix
     incorporated: Part III.


<PAGE>


                                     PART I

Item 1.  Business

General

     Siliconix designs, markets, and manufactures power and analog semiconductor
products.   The  Company   focuses  on   technologies   and   products  for  the
communications,  computer,  and automotive  markets;  additionally,  many of the
Company's products are also used in instrumentation and industrial applications.

     Founded in 1962,  Siliconix uses its advanced  technology and  applications
expertise to develop  value-added  products for power management and conversion.
These  products serve two types of markets.  The first type,  represented by the
communications  and computer  markets,  exhibits design cycles as short as a few
months and product life cycles as short as six to twelve  months,  thus creating
numerous new opportunities for the Company.  The other type,  represented by the
automotive  market,  exhibits long design  cycles,  sometimes as much as four or
five years,  and product  life cycles as long or longer.  Participation  in both
types of businesses helps the Company balance growth opportunities with research
and development investments required to maintain technology leadership.

     Siliconix  was  a  member  of  TEMIC  Semiconductors,  a  division  of  the
Daimler-Benz  microelectronics  consortium,  for several years.  On December 16,
1997,  Daimler-Benz  announced  that it had  agreed  to sell  the  Semiconductor
Division of TEMIC,  which  included its 80.4%  interest in Siliconix,  to Vishay
Intertechnology,  Inc. ("Vishay") of Malvern,  Pennsylvania. The acquisition was
completed on March 2, 1998, and on that date Vishay became the Company's largest
shareholder.  The Company's  products are now marketed with the Siliconix  brand
name under the Vishay umbrella.

     Coincident  with the  acquisition of the majority  interest in Siliconix by
Vishay , Richard J. Kulle  stepped down as Siliconix  President  and CEO and was
replaced by Dr. King Owyang,  formerly  Executive Vice  President,  Technology &
Silicon  Operations.  Dr. Owyang has been employed by Siliconix for eleven years
and served in his  previous  position  for  approximately  six  years.  From the
beginning of his  employment,  Dr. Owyang led the technology  advances which are
the foundation of Siliconix's growth and profitability.

Products

     All of the analog and power  products  produced by Siliconix can be divided
into two general  classes:  discrete  devices  and  integrated  circuits  (ICs).
Discrete  devices  are  active  components  that  generate,  control,  regulate,
amplify,  or switch  electronic  signals or energy.  They must be interconnected
with other, passive components (e.g., resistors, capacitors, inductors, etc.) to
create an  electronic  circuit.  ICs  consist of a number of active and  passive
components,  interconnected  on a single  chip,  that are  intended to perform a
specific function.

     The  Company's   discrete  power  MOSFETs  (an  acronym  for  "metal  oxide
semiconductor field effect  transistors") and power ICs are designed for similar
applications  and can often be used  together  as chip  sets with  complementary
performance characteristics optimized for a specific application.

     Power MOSFETs are the Company's fastest growing products in terms of sales.
In this product  line,  Siliconix has focused on  low-voltage  products that are
prevalent in  battery-operated  products (e.g.,  notebook computers and cellular
phones)  and  in  automotive  systems.   Siliconix  has  maintained   technology
leadership in low-voltage,  surface-mount power MOSFETs through advances in both
silicon   technologies   and  product   packaging.   Advanced   silicon  process
technologies,  such as the Company's "Trench"  technology,  offer very high cell
densities and low device  on-resistance.  These process  technologies  have been
coupled with innovative  packaging  techniques to create  surface-mount  product
families, such as LITTLE FOOT(R) power MOSFETs, that provide customers with size
and performance  benefits as well as  manufacturing  compatibility  with digital
integrated circuits.

<PAGE>

     Siliconix  power ICs include power  conversion and interface ICs, and motor
control ICs. The  Company's  power  conversion  and  interface  ICs are based on
low-voltage   mixed-signal   silicon   processes  that  offer  customers  higher
frequencies without compromising  efficiencies compared to competitive products.
They are used in  applications  where an input  voltage  from a battery or other
supply source must be converted to a level that is compatible with logic signals
used by  microprocessors  and other  electronic  components  in the system.  The
Company's  motor  control  ICs  are  used to  control  motion  in  data  storage
applications  (e.g.,  optical and hard disk  drives) and to control the speed of
small motors in office equipment (e.g., printers and copy machines).

     The  Company's   mature   product  lines  include   discrete   small-signal
transistors and signal processing ICs (i.e.,  analog switches and multiplexers).
The  small-signal  transistors  range  from  junction  field-effect  transistors
(JFETs),  Siliconix's  original  product  line,  which remain  critical for some
applications,  to  newer  transistor  processes,  such  as  the  Company's  DMOS
processes,  which offer performance advantages over competitors' similar product
lines.   The  analog   switches  and   multiplexers   are   primarily   used  in
instrumentation and industrial equipment that receives and/or outputs real-world
analog signals. The latest additions to the group are the new low voltage analog
switches and small signal MOSFETs in the very tiny SC-70 package.


Manufacturing

     The Company's manufacturing operations are strategically located to support
customer  manufacturing  locations,  to cultivate growth markets,  and to access
cost-effective  engineering talent. All of the Company's manufacturing sites use
Statistical  Process  Control methods of total quality control and have ISO 9000
certification.

     Siliconix  fabricates  wafers for its advanced  power products at its Santa
Clara,  California  manufacturing  headquarters,  where the Company  maintains a
Class 1 (clean room  classification)  six-inch wafer fab.  Further  capacity for
wafer  fabrication  of  power  products  was  added  during  1997  by  way  of a
manufacturing  capacity agreement with a current subsidiary of Vishay in a Class
1 facility in Itzehoe,  Germany. Wafers for analog switches,  multiplexers,  and
low power discrete  devices are fabricated in the Company's  four-inch wafer fab
in Santa Clara.  In 1997,  fabrication of the Company's JFETs was transferred to
an unaffiliated foundry in Beijing, China.

     Assembly and testing of the  Company's  products  are  performed in Company
facilities  in  Taiwan  and  Shanghai,  China,  and  by  subcontractors  in  the
Philippines, China, and the United States.

     Raw materials used by the Company  include  single-crystal  silicon wafers,
chemicals, gases, metal wire, and ceramic, plastic, and glass-to-metal packages.
Although these materials are generally  available from two or more sources,  the
industry  has  experienced  difficulties  in  obtaining  supplies  of  some  raw
materials from time to time;  such  difficulties  in the future could  adversely
affect the Company's operations.

     Government   regulations  impose  various  environmental  controls  on  the
discharge of certain chemicals and gases used in the manufacturing  process. The
Company  believes  that its  activities  substantially  conform to  present  and
anticipated  regulations and is constantly upgrading its Santa Clara facility to
ensure continued compliance with such regulations.  In 1990, the Company reached
a settlement for cleanup of soil and ground water at a site the Company occupied
prior to 1972,  with the  current  owner of that  site,  and  settled  a lawsuit
against its insurance carriers in 1992 and 1993 with respect to this matter. The
Company  also  established  a remedial  activity to remove soil and  groundwater
contamination at its Santa Clara site in 1990. For details on these matters, see
Item 3, Legal  Proceedings.  While the  Company  has  experienced  only  limited
effects  on its  operations  from  environmental  regulations,  there  can be no
assurance  that  changes  in such  regulations  will  not  impose  the  need for
additional capital equipment or other requirements.


<PAGE>

Sales

     From 1993 to 1998,  Siliconix sales were handled by the sales  organization
of  TEMIC  Semiconductors,   the  semiconductor  division  of  the  Daimler-Benz
microelectronics  group, which included  Siliconix,  Telefunken  Semiconductors,
Matra MHS, and Dialog  Semiconductor.  Unifying the sales  activities  for these
four  companies  brought  value to customers  by allowing  them to deal with one
entity for a broader range of their  semiconductor  needs. Since the acquisition
of a majority  interest in the Company by Vishay , the  Company's  products have
been sold by the Vishay worldwide sales organization,  which consists of much of
the same worldwide structure of sales  representatives and distributors that was
established for TEMIC Semiconductors.

     The sales  organizations are regionally  based,  functioning as agents that
earn  a  commission  as  a  fixed   percentage  of  sales  and   performing  all
sales-related activities. The following table shows net sales and the percentage
of the  Company's  net sales on a  geographic  basis for the  periods  indicated
(dollars in thousands).


<TABLE>
<CAPTION>
                             Years ended December 31
                             -----------------------

                                    1998                  1997              1996
                                    ----                  ----              ----
<S>                               <C>       <C>         <C>       <C>        <C>      <C>
United States              $   70,282       25%  $   91,673       29%  $   74,268      28%
Europe                         72,168       26%      90,480       28%      71,739      27%
Japan                          19,700        7%      33,359       10%      51,065      19%
Taiwan                         29,530       10%      19,448        6%      17,008       6%
Singapore                      36,425       13%      34,473       11%      25,093       9%
Asia Pacific                   45,012       16%      29,901        9%      14,433       5%
All other                       9,229        3%      22,217        7%      15,328       6%
                           ----------   -------  ----------   -------  ----------   ------
                           $  282,346      100%  $  321,551      100%  $  268,934     100%
</TABLE>

     The Company markets its products in different geographic areas as follows.

     United  States and Canada:  Sales are made by the United  States and Canada
("North   American")  field  sales  force  and   manufacturer's   representative
organizations.  Manufacturer's  representatives  are  compensated by commissions
only.  Area  sales  managers  coordinate  these  representatives  and the  North
American sales force.  North American sales  headquarters are located in Monroe,
Connecticut.  Regional  sales  offices  are located in or near  Sanford,  Maine;
Chicago,  Illinois; Tampa, Florida; Houston, Texas; Santa Clara, California; and
Orange County, California. In addition, the Company has direct sales offices for
automotive customers in Troy, Michigan and Kokomo, Indiana.

     Sales  not made  directly  to  original  equipment  manufacturers  are made
through   distributors,   which  currently  have   approximately  350  locations
throughout the United States and Canada.  Certain distributors are provided with
contractual  protection  for their  inventory  against  reductions  in published
prices and against product obsolescence.

     Europe  Sales are  made by  the European  sales force  and   manufacturer's
representative  organizations.  As in North America,  sales not made directly to
the  original  equipment  manufacturers  are  made  through  distributors,  with
approximately  125  locations.  These  distributors  are  provided  with certain
inventory  obsolescence  and  price  protections  similar  to those  granted  to
domestic distributors.

     Japan:  Sales in Japan are made both by the Japan sales force and 
distributors.

     Asia  Pacific:  Sales are made in Hong Kong,  Korea,  Taiwan,  The People's
Republic  of China and in  Southeast  Asia,  by the  Asia-Pacific  sales  force,
headquartered in Singapore.  In these locations,  as in the United States, sales

<PAGE>

are made  directly  to  original  equipment  manufacturers  through  field sales
engineers  or through  manufacturer's  representatives.  Direct sales agents and
representatives  are compensated by commissions only. Sales not made directly to
original equipment manufacturers are made through distributors,  which currently
have approximately 75 locations in the region.

     Sales  in  the  rest  of  the   world  are  made   through   manufacturer's
representatives, stocking representatives and distributors.

     For further  information,  (see Note 7 of Notes to  Consolidated  Financial
Statements) which is incorporated herein by reference.

Order Backlog

     As of December 31, 1998,  the backlog of orders  booked was $62.4  million.
The backlog as of December 31, 1997 was $74.1 million.  The Company  includes in
backlog only open orders  which have been  released by the customer for shipment
in the calendar  year 1999.  The  Company's  customers  encounter  uncertain and
changing  demand for their  products.  They  typically  order  products from the
Company based on their forecasts. If demand falls below customers' forecasts, or
if  customers do not control  their  inventory  effectively,  they may cancel or
reschedule  their  shipments  previously  ordered  from  the  Company,  in  many
instances  without  the  payment  of  any  penalty.  Therefore,  backlog  is not
necessarily indicative of sales for any future period.

Competition

     The  semiconductor  industry is highly  competitive.  Many of the Company's
competitors are larger  companies with greater  financial  resources and limited
dependency on semiconductor products as their sole source of sales and earnings.
The  Company  has been able to compete  effectively  by being  selective  in its
choice of products and markets, and by being a technology leader in those areas.
Through  closely  established  customer  relationships,   the  Company  acquires
in-depth  applications  know-how for the markets it serves and develops products
that specifically address customer needs.

Research and Development

     Research  and  development   activities  are  directed   toward   expanding
technology  leadership.  Focus is on developing new products and processes,  and
activities are ongoing to improve the cycle time from new product development to
product release. Total expenditures were $17.1 million in 1998, $17.8 million in
1997 and $20.8  million in 1996.  Significant  effort has been  expended  on new
power  products and ICs where  continued  rapid market growth is expected,  (see
Note 2 of Notes to Consolidated Financial Statements).

Patents and Licenses

     Siliconix  protects  its  technology  leadership  by  securing  patents  on
proprietary products and processes. As of December 31, 1998, Siliconix owned 147
U.S. patents, covering primarily semiconductor device structures, processes, and
circuitry.  Expiration  dates  for these  patents  range  from 1999 to 2017.  An
additional  14 patents have been allowed but not yet issued.  There were also 60
U.S. patent applications  pending. The Company believes that, as it increasingly
utilizes  these  patents in the  design and  manufacture  of its  products,  its
royalty  obligations  will  decrease  significantly,  (see  Note 8 of  Notes  to
Consolidated Financial Statements).

Employees

       On December 31, 1998, the Company employed 1,642 people, of whom 703 were
employed in the United States, 923 in Asia, and 16 in Europe.

<PAGE>

   There are no  collective  bargaining  agreements  between the Company and its
employees, and there have been no work stoppages due to labor difficulties.  The
Company considers its relations with its employees to be excellent.

Executive Officers

   The following sets forth the name,  age,  offices  presently  held,  business
experience, and principal occupation of the Company's executive officers:

              Name                  Office Presently Held
              ----                  ---------------------

         King Owyang       President, Chief Executive Officer
         Mike Chang        Executive Vice President, Technology & 
                           Silicon Operations
         Jens Meyerhoff    Senior Vice President Administration and Chief 
                           Financial Officer
         Hamza Yilmaz      Senior Vice President
         John Cox          Vice President, Worldwide Environmental, Health & 
                           Safety Affairs

     Dr. Owyang, age 53, joined the Company in January 1988 as a divisional Vice
President of Research and Development.  He assumed additional responsibility for
Corporate  Reliability  and  Quality  Assurance  in April  1990.  He became Vice
President,  Engineering in May 1990;  Executive Vice  President,  Technology and
Silicon  Operations in April 1992; and President and Chief Executive  Officer in
March 1998. Dr. Owyang holds B.S. and Ph.D. degrees in Physics.

     Dr. Chang, age 53, joined the Company in December 1987 as Manager of 
Process  Technology.  He became Director,  Fab Operations in April 1992;  Senior
Director,  Worldwide Fab Operations in April 1995; and Executive Vice President,
Technology & Silicon  Operations in October 1998. Dr. Chang holds B.S. and Ph.D.
degrees in Electrical Engineering.

     Mr. Meyerhoff, age 34, joined the Company in May 1995 as Senior Manager of 
Systems and Reporting.  He became  Director,  Product Unit  Controlling in April
1997;  Senior  Director  and  Corporate  Controller  in March  1998;  and  Chief
Financial  Officer and Senior Vice  President  Administration  in October  1998.
Prior to joining the  Company,  Mr.  Meyerhoff  served as Manager,  Planning and
Controlling at a subsidiary of Daimler-Benz Rail Systems Division in Pittsburgh,
Pennsylvania  from January 1992 to April 1995. Mr.  Meyerhoff holds an M.B.A. in
Finance and Information Technology.

     Dr. Yilmaz, age 44, joined the Company in March 1988 as Manager of Device 
Design and Engineering. He become World Wide Product and Test Engineering Senior
Manager in July 1992;  Director  in June 1993;  Senior  Director,  IC Design and
Engineering and Acting Senior Director,  World Wide Product and Test Engineering
in October 1995;  Senior  Director of Engineering  for the Power MOSFET Business
Unit in July 1996; and Vice President and head of the Power MOSFET Business Unit
in August  1997.  He assumed the  additional  post of Senior Vice  President  in
October  1998.  Dr.  Yilmaz  holds B.S.,  M.S. and Ph.D.  degrees in  Electrical
Engineering.

     Mr.  Cox,  age 50,  joined the  Company  in April  1997 as Vice  President,
Worldwide  Environmental,  Health & Safety  Affairs.  He  devotes  approximately
one-half of his time to the Company's affairs. Since September 1995, he has also
been Executive Vice President and Principal Consultant of EnviroBusiness,  Inc.,
an environmental consulting firm to high-technology industries,  specializing in
semiconductor  and  semiconductor  equipment  manufacturers.  For more  than the
previous  five  years,  he served as  Corporate  Director  of  Safety,  Health &
Environmental Affairs of Shipley Company.


<PAGE>

Item 2. Properties.

     The Company  owns its  principal  manufacturing  plant and general  offices
which are located in four two-story  buildings totaling 234,600 square feet on a
13-acre site in Santa Clara,  California.  TEMIC  Semiconductor  North  America,
Inc., a subsidiary of the Company,  leases  approximately  11,700 square feet of
office space in Basking Ridge, New Jersey.  Siliconix  Limited,  a subsidiary of
the  Company,  currently  occupies,  under an  agreement  with  TEMIC UK Limited
(formerly an affiliated  company),  approximately  2,000 square feet of space in
premises  located in Bracknell,  United  Kingdom,  where the Company's  European
Headquarters  are  located.  Vishay Asia Pte.  Ltd.,  also a  subsidiary  of the
Company,  leases  approximately  17,300 square feet of  administrative  space in
premises in Singapore, where the Company's Asia Administrative  Headquarters are
located. Siliconix (Taiwan) Limited, an indirect subsidiary of the Company, owns
a  50,000-square-foot  portion of a building  in the Nan-Tse  Export  Processing
Zone, a suburb of Kaohsiung, Taiwan, which consists of manufacturing and general
office space.  TEMIC Japan KK, another  subsidiary of the Company,  leases 3,400
square feet of general  office  space in Tokyo.  Shanghai  Simconix  Co. Ltd., a
joint venture between the Company and the Shanghai  Institute of Metallurgy (the
"SIM"),  leases 41,000 square feet of manufacturing  and general office space in
Shanghai from the SIM.

Item 3. Legal Proceedings.

     In 1996,  the Company  was a party to two  environmental  proceedings.  The
first  involved  property that the Company  vacated in 1972.  In July 1989,  the
California  Regional Water Quality  Control Board  ("RWQCB")  issued Cleanup and
Abatement  Order No.  89-115 both to the  Company  and the current  owner of the
property.  The Order alleged that the Company contaminated both the soil and the
groundwater  on the  property  by the  improper  disposal  of  certain  chemical
solvents.  The RWQCB considered both parties to be liable for the  contamination
and sought to have them decontaminate the site to acceptable levels. The Company
subsequently  reached a settlement  of this matter with the current owner of the
property. The settlement also provided that the current owner will indemnify the
Company and its employees,  officers,  and directors  against any liability that
may arise out of any  governmental  agency  actions  brought  for  environmental
cleanup of the subject site,  including liability arising out of RWQCB Order No.
89-115, to which the Company remains nominally subject.

     The second  proceeding  involves  the  Company's  Santa  Clara,  California
facility, which the Company has owned and occupied since 1969. In February 1989,
the RWQCB issued Cleanup and Abatement Order No. 89-27 to the Company. The Order
is based on the discovery of  contamination of both the soil and the groundwater
on the property by certain chemical solvents. The Order calls for the Company to
specify and implement  interim  remedial  actions and to evaluate final remedial
alternatives.  The RWQCB  issued a  subsequent  order  requiring  the Company to
complete the decontamination. The Company is complying with the RWQCB's orders.

Item 4. Submission of Matters to a Vote of Security Holders.

     None.


<PAGE>

                                     PART II

Item 5. Market for Registrant's Common Equity and Related Stockholder Matters.

     As of March 11,  1999,  there were 736  holders of record of the  Company's
Common  Stock.  Under  Delaware  law,  the Company may pay  dividends  only from
retained  earnings  or, if none,  from net profits for the current or  preceding
fiscal  year.  In addition,  the Company is  indirectly  bound by a  restrictive
covenant  contained in the Vishay  Intertechnology's  Credit  Agreement with its
lending banks which precludes the payment of dividends.  The Company has paid no
dividends since December 1980 in order to retain the Company's  earnings to fund
future growth requirements.  No change in such policy is anticipated in the near
future.

     A  presentation  of the  highest  and  lowest  "last  trade"  price for the
Company's  Common  Stock  for  each  quarterly  period  during  1998 and 1997 is
incorporated by reference from the Company's 1998 Annual Report to Shareholders,
portions of which are filed as Exhibit 13 hereto.  The  Company's  Common  Stock
trades on the Nasdaq Stock Market under the symbol "SILI."

Item 6. Selected Financial Data.

     Incorporated  by  reference  from  the  Company's  1998  Annual  Report  to
Shareholders, portions of which are filed as Exhibit 13 hereto.

Item 7. Management's Discussion and Analysis of Financial Condition and Results 
        of Operations.

     Incorporated  by  reference  from  the  Company's  1998  Annual  Report  to
Shareholders, portions of which are filed as Exhibit 13 hereto.

Item 7a. Quantitative and Qualitative Disclosures about Market Risk.

     Incorporated  by  reference  from  the  Company's  1998  Annual  Report  to
Shareholders, portions of which are filed as Exhibit 13 hereto.

Item 8. Financial Statements and Supplementary Data.

     The  financial   statements  and  reports  of   independent   auditors  are
incorporated by reference from the Company's 1998 Annual Report to Shareholders,
portions of which are filed as Exhibit 13 hereto.

Item 9. Changes in and Disagreements with Accountants on Accounting and 
        Financial Disclosure.

     Not applicable.
<PAGE>

Report of Ernst and Young LLP,

To the Board of Directors and Shareholders of Siliconix incorporated

         We  have  audited  the  accompanying   consolidated  balance  sheet  of
Siliconix  incorporated  as of December 31, 1998,  and the related  consolidated
statements of operations,  shareholders' equity and cash flows for the year then
ended.  These  consolidated  statements are the  responsibility of the Company's
management.  Our  responsibility is to express an opinion on these  consolidated
financial statements based on our audit.

         We conducted our audit in accordance with generally  accepted  auditing
standards.  Those standards require that we plan and perform the audit 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 audit provides a reasonable basis for our opinion.

         In our opinion, the 1998 consolidated  financial statements referred to
above  present  fairly,  in all material  respects,  the  financial  position of
Siliconix  incorporated  at December 31, 1998,  and the result of its operations
and its cash flows for the year then ended in conformity with generally accepted
accounting principles.

ERNST & YOUNG LLP

San Jose, California
January 21, 1999

<PAGE>

Board of Directors

Siliconix incorporated:

We have  audited  the  accompanying  consolidated  balance  sheet  of  Siliconix
incorporated as of December 31, 1997, and the related consolidated statements of
operations,  shareholders'  equity,  and cash flows for each of the years in the
two-year period ended December 31, 1997. These consolidated financial statements
are the  responsibility of the Company's  management.  Our  responsibility is to
express an  opinion  on these  consolidated  financial  statements  based on our
audit.

We conducted our audit in accordance with generally accepted auditing standards.
Those standards  require that we plan and perform the audit to obtain reasonable
assurance   about  whether  the  financial   statements  are  free  of  material
mistatement.  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 consolidated  financial statements referred to above present
fairly,  in  all  material   respects,   the  financial  position  of  Siliconix
incorporated  as of December 31, 1997,  and the results of their  operations and
their cash flows for each of the years in the two-year period ended December 31,
1997, in conformity with generally accepted accounting principles.


                                        KPMG LLP

Mountain View, California

January 21, 1998


<PAGE>

                                    PART III

Item 10. Directors and Executive Officers of the Registrant.

     The executive officers of the Company are identified in Item 1 of Part I of
this Annual Report on Form 10-K.  Identification of the directors of the Company
is  incorporated  by reference  from the "Election of Directors"  section of the
Company's  definitive  Proxy  Statement  dated  April  30,  1999 to be mailed to
shareholders in connection with the 1999 Annual  Shareholders  Meeting and filed
with the  Securities  and  Exchange  Commission  on or about April 30, 1999 (the
"Proxy Statement").

Item 11. Executive Compensation.

     Incorporated by reference from the "Compensation of Officers and Directors"
and "Report of Compensation Committee" sections of the Proxy Statement.

Item 12. Security Ownership of Certain Beneficial Owners and Management.

     Incorporated  by reference  from the  "Security  Ownership"  section of the
Proxy Statement.

Item 13. Certain Relationships and Related Transactions.

     Incorporated  by reference from the "Certain  Transactions"  section of the
Proxy Statement.


<PAGE>

                                     PART IV

Item 14. Exhibits, Financial Statement Schedules, and Reports on Form 8-K.

   (a) Documents Filed as Part of Form 10-K

     1.  Financial Statements

         Independent Auditors' Reports on the Financial Statements.

         The remainder of the Financial  Statements  and reports of  independent
         auditors are  incorporated  by reference from the Company's 1998 Annual
         Report to  Shareholders,  portions  of which are  filed as  Exhibit  13
         hereto.

         Consolidated Statements of Operations for the years ended December 31, 
         1998, 1997, and 1996

         Consolidated Balance Sheets as of December 31, 1998 and 1997

         Consolidated Statements of Shareholders' Equity for the years ended 
         December 31, 1998, 1997, and 1996

         Consolidated Statements of Cash Flows for the years ended December 31, 
         1998, 1997, and 1996

         Notes to Consolidated Financial Statements

         Quarterly Financial Data (unaudited)

     2.  Financial Statement Schedule

         A.   Independent Auditors' Reports on Financial Statement Schedule

         II.  Valuation and Qualifying Accounts

              All other schedules have been omitted as the required  information
              is reported or incorporated by reference  elsewhere in this Annual
              Report or is not applicable.


<PAGE>


     3.  Exhibits

          3.1     Restated Certificate of Incorporation/1/

          3.2     Bylaws/2/

         10.2     One-Year Key Professional Incentive Bonus Plan/1/

         10.3     Key Professional Performance Unit Plan/2/

         10.5     Amended and Restated  License  Agreement  dated April 10, 1990
                  between the Company and International Rectifier Corporation/1/

         10.6     Amendment  to Amended and  Restated  License  Agreement  dated
                  December  21,  1990  between  the  Company  and  International
                  Rectifier Corporation/1/

         10.10    Pension Contract dated January 26, 1995 between Richard J. 
                  Kulle and TEMIC TELEFUNKEN microelectronic GmbH/3/

         10.11    Special Retention Bonus Plan of Siliconix incorporated/4/

         10.12    Change-in-Control Severance Plan of Siliconix incorporated/4/

         10.13    Special Retention Bonus Plan (1998) of Siliconix incorporated
                  /5/

         10.14    Amendment No. 1 to Change-in-Control Severance Plan of 
                  Siliconix incorporated/5/

         10.15    Amendment No. 1 to Siliconix One-Year Key Professional 
                  Incentive Bonus Plan/5/

         10.16    Amendment No. 2 to Siliconix One-Year Key Professional 
                  Incentive Bonus Plan/5/

         10.17    Amendment No. 1 to Siliconix Key Professional Performance Unit
                  Plan/5/

         10.18    Amendment No. 2 to Siliconix Key Professional Performance Unit
                  Plan/5/

         10.19    Separation Agreement and Mutual Release dated March 11, 1998 
                  among Richard Kulle, Siliconix incorporated and Vishay 
                  Intertechnology, Inc.

         10.20    Amendment No. 1 to Separation Agreement and Mutual Release 
                  dated March 19, 1998 among Richard Kulle, Siliconix 
                  incorporated and Vishay Intertechnology, Inc.

         10.21    Promissory Note from Siliconix incorporated to Vishay 
                  Intertechnology, Inc. in the principal amount of $34,570,000
                  dated March 2, 1998

         10.22    Promissory Note from Siliconix incorporated to Vishay 
                  Intertechnology, Inc. in the principal amount of $16,000,000
                  dated May 26, 1998


<PAGE>

(footnotes on following page)

         10.23    Revolving Intercompany Promissory Note from Siliconix 
                  incorporated to Vishay Intertechnology, Inc. in the maximum
                  principal amount of $35,000,000 dated May 26, 1998

         13       Portions of Siliconix incorporated 1998 Annual Report to 
                  Shareholders

         21       Subsidiaries of the Company

         27       Financial Data Schedule

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

/1/Incorporated  by reference from Exhibits to the Company's Annual Report on 
Form 10-K for the fiscal year ended  December  31,  1990,  filed with the SEC on
April 15, 1991.

/2/Incorporated  by reference from Exhibits to the Company's Annual Report on 
Form 10-K for the fiscal year ended  December  31,  1995,  filed with the SEC on
April 1, 1996.

/3/Incorporated  by reference from Exhibits to the Company's Annual Report on 
Form 10-K for the fiscal year ended  December  31,  1994,  filed with the SEC on
April 10, 1995.

/4/Incorporated by reference to Exhibits to the Company's Quarterly Report on 
Form 10-Q for the quarter  ended March 30,  1997,  filed with the SEC on May 14,
1997.

/5/Incorporated by reference to Exhibits to the Company's Quarterly Report on 
Form 10-Q for the  quarter  ended  September  28,  1997,  filed  with the SEC on
November 12, 1997.

   (b)  Reports on Form 8-K

     The Company did not file any reports on Form 8-K in the last quarter of the
year ended December 31, 1998.


<PAGE>

Report of Ernst & Young LLP, Independent Auditors

To the Board of Directors and Shareholders of Siliconix, Incorporated:

We have audited the consolidated  financial statements of Siliconix incorporated
as of  December  31, 1998 and for the year ended  December  31,  1998,  and have
issued our report  thereon  dated January 21, 1999  (included  elsewhere in this
Annual Report on Form 10-K).  Our audit also  included the  financial  statement
shcedule  listed in Item  14(a)(2)  of this  Annual  Report on Form  10-K.  This
schedule is the responsibility of the Company's  management.  Our responsibility
is to express an opinion based on our audit.

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 set forth therein.



San Jose, California
January 21, 1999




<PAGE>

         REPORT ON FINANCIAL STATEMENT SCHEDULE ON INDEPENDENT AUDITORS


The Board of Directors
Siliconix incorporated:

The audit  referred to in our report dated January 21, 1998 included the related
financial  statmenet schedule as of December 31, 1997, and for each of the years
in the two-year  period ended  December 31, 1997, as listed in the Index in Item
14(a)2 herein.  The financial  statement  schedule is the  responsibility of the
Company's  management.  Our  responsibility  is to  express  an  opinion  on the
financial  statement schedule based on our audit. In our opinion,  the financial
statement  schedule,  when  considered  in  relation  to the basic  consolidated
financial  statements taken as a whole, present fairly in all material respects,
the information set forth therein.


                                   KPMG LLP


Mountain View, California
January 21, 1998

<PAGE>

                             SILICONIX INCORPORATED
                SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

                            YEARS ENDED DECEMBER 31

                                 (IN THOUSANDS)


         Additions
         ---------
<TABLE>
<CAPTION>

                                            Balance
                                            At                Charged to                                        Balance
                                            Beginning         Costs and         Charged to                      At End
                                            of Period         Expenses          Revenues       Deductions       of Period
                                            ---------         --------          --------       ----------       ---------
<S>                                           <C>                 <C>              <C>            <C>                <C>

1996:

Allowance for Doubtful Accounts            $  1,841          $    329          $     -          $     69          $ 2,101

Allowance for Price Adjustments                 443                 -            3,945             4,288              100

Allowance for Returned Parts and
  Distributor Adjustments                     3,242                 -           18,636            15,474            6,404
                                              -----           -------           ------            ------            -----
                                           $  5,526          $    329          $22,581          $ 19,831          $ 8,605

1997:

Allowance for Doubtful Accounts            $  2,101          $    545          $     -          $    458          $ 2,188

Allowance for Price Adjustments                 100                 -            4,712             4,421              391

Allowance for Returned Parts and
  Distributor Adjustments                     6,404                 -           24,818            21,878            9,344
                                              -----           -------           ------           -------           ------
                                           $  8,605          $    545          $29,530          $ 26,757          $11,923
1998:

Allowance for Doubtful Accounts            $  2,188          $  1,266          $     -          $    586          $ 2,868

Allowance for Price Adjustments                 391                 -            6,687             6,328              750

Allowance for Returned Parts and
   Distributor Adjustments                    9,344                 -           23,319            21,890           10,773
                                            -------           -------           ------           -------           ------
                                           $ 11,923          $  1,266          $30,006           $28,804           $14,391
</TABLE>

<PAGE>

                                   SIGNATURES

     Pursuant  to the  requirements  of  Section  13 or 15(d) of the  Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.

Dated: March 26, 1999

                                    SILICONIX INCORPORATED


                                      By: /s/King Owyang 
                                          -----------------------------
                                          King Owyang
                                          President and Chief Executive Officer


     Pursuant to the  requirements of the Securities  Exchange Act of 1934, this
report  has  been  signed  below  by the  following  persons  on  behalf  of the
Registrant and in the capacities and on the dates indicated.

<TABLE>
<CAPTION>

            Signature                             Title                                      Date
            ---------                             -----                                      ----
<S>                                               <C>                                            <C>
Principal Executive Officer



/s/King Owyang                           President, Chief Executive
- - -----------------------------              Officer and a Director                             March 26, 1999
King Owyang                                


Principal Financial and Accounting Officer



/s/Jens Meyerhoff                         Senior Vice President Administration and
- - -----------------------------               Chief Financial Officer                           March 26, 1999
Jens Meyerhoff                               



/s/Everett Arndt                          Director                                            March 26, 1999
- - ----------------------------
Everett Arndt



/s/Lori Lipcaman                          Director                                            March 26, 1999
- - ----------------------------
Lori Lipcaman



/s/Glyndwr Smith                          Director                                            March 26, 1999
- - ----------------------------
Glyndwr Smith

</TABLE>

<PAGE>


                                INDEX TO EXHIBITS

                         Exhibit
                         -------


         3.1      Restated Certificate of Incorporation/1/

         3.2      Bylaws/2/

         10.2     One-Year Key Professional Incentive Bonus Plan/1/

         10.3     Key Professional Performance Unit Plan/2/

         10.5     Amended and Restated  License  Agreement  dated April 10, 1990
                  between the Company and International Rectifier Corporation/1/

         10.6     Amendment  to Amended and  Restated  License  Agreement  dated
                  December  21,  1990  between  the  Company  and  International
                  Rectifier Corporation/1/

         10.10    Pension  Contract  dated  January 26, 1995 between  Richard J.
                  Kulle and TEMIC TELEFUNKEN microelectronic GmbH/3/

         10.11    Special Retention Bonus Plan of Siliconix incorporated/4/

         10.12    Change-in-Control Severance Plan of Siliconix incorporated/4/

         10.13    Special    Retention    Bonus   Plan   (1998)   of   Siliconix
                  incorporated/5/

         10.14    Amendment  No.  1  to  Change-in-Control   Severance  Plan  of
                  Siliconix incorporated/5/

         10.15    Amendment  No.  1  to  Siliconix   One-Year  Key  Professional
                  Incentive Bonus Plan/5/

         10.16    Amendment  No.  2  to  Siliconix   One-Year  Key  Professional
                  Incentive Bonus Plan/5/

         10.17    Amendment No. 1 to Siliconix Key Professional Performance Unit
                  Plan/5/

         10.18    Amendment No. 2 to Siliconix Key Professional Performance Unit
                  Plan/5/

         10.19    Separation  Agreement and Mutual  Release dated March 11, 1998
                  among  Richard  Kulle,   Siliconix   incorporated  and  Vishay
                  Intertechnology, Inc.

         10.20    Amendment  No. 1 to Separation  Agreement  and Mutual  Release
                  dated  March  19,   1998  among   Richard   Kulle,   Siliconix
                  incorporated and Vishay Intertechnology, Inc.

         10.21    Promissory   Note  from  Siliconix   incorporated   to  Vishay
                  Intertechnology,  Inc. in the principal  amount of $34,570,000
                  dated March 2, 1998

         10.22    Promissory   Note  from  Siliconix   incorporated   to  Vishay
                  Intertechnology,  Inc. in the principal  amount of $16,000,000
                  dated May 26, 1998

<PAGE>

(footnotes on following page)


         10.23    Revolving   Intercompany   Promissory   Note  from   Siliconix
                  incorporated  to Vishay  Intertechnology,  Inc. in the maximum
                  principal amount of $35,000,000 dated May 26, 1998

         13       Portions  of  Siliconix  incorporated  1998  Annual  Report to
                  Shareholders

         21       Subsidiaries of the Company

         27       Financial Data Schedule

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

/1/Incorporated  by reference  from Exhibits to the  Company's  Annual Report on
Form 10-K for the fiscal year ended  December  31,  1990,  filed with the SEC on
April 15, 1991.

/2/Incorporated  by reference  from Exhibits to the  Company's  Annual Report on
Form 10-K for the fiscal year ended  December  31,  1995,  filed with the SEC on
April 1, 1996.

/3/Incorporated  by reference  from Exhibits to the  Company's  Annual Report on
Form 10-K for the fiscal year ended  December  31,  1994,  filed with the SEC on
April 10, 1995.

/4/Incorporated  by reference to Exhibits to the Company's  Quarterly  Report on
Form 10-Q for the quarter  ended March 30,  1997,  filed with the SEC on May 14,
1997.

/5/Incorporated  by reference to Exhibits to the Company's  Quarterly  Report on
Form 10-Q for the  quarter  ended  September  28,  1997,  filed  with the SEC on
November 12, 1997.



                     SEPARATION AGREEMENT AND MUTUAL RELEASE


         This Separation  Agreement and Mutual Release  ("Agreement") is entered
into as of March  11,  1998 by and  among  Siliconix  Incorporated,  a  Delaware
corporation  (the   "Company"),   Vishay   Intertechnology,   Inc.,  a  Delaware
corporation ("Vishay") and Richard J. Kulle ("Executive").

                                    RECITALS
                                    --------

         1. Executive is currently  employed by the Company as its President and
Chief Executive Officer and also serves as a member of the Board of Directors.

         2. Vishay has  acquired a majority of the  outstanding  Common Stock of
the Company.

         3. Executive,  the Company and Vishay wish to set forth their agreement
whereby  Executive  will resign from all executive  positions and as an employee
and a director  of the Company and any  subsidiaries  and the Company  agrees to
accept such resignation. The Company, Vishay and Executive have further mutually
agreed to terminate their employment relationship and to release each other from
any claims arising from or related to the employment relationship.

         4. The Company has provided Executive with various severance agreements
(the  "Severance  Agreement")  and certain loans (the "Loan  Agreements").  This
Agreement will terminate and supersede the Severance  Agreements in all respects
except as otherwise specifically provided herein.

         NOW THEREFORE, in consideration of the mutual promises made herein, the
Company, Vishay and Executive (collectively referred to as the "Parties") hereby
agree as follows:

         1. Resignation.  Executive hereby resigns from all executive  positions
with the Company and any subsidiaries of the Company, including as President and
Chief Executive  Officer of the Company,  and also as an employee and a director
of the Company on the Effective Date. For purposes of this Agreement, references
to the Company shall include the Company and any wholly-owned or partially-owned
subsidiary of the Company.

         2. Consideration.  In consideration of Executive's past services to the
Company, and in consideration for Executive's promises and covenants herein, the
Company shall pay  Executive,  subject to Section 3 herein,  as follows.  Vishay
hereby  agrees to take such action as is  necessary to cause the Company to make
such payments to Executive or, to make such payments  itself to Executive if the
Company fails to make such payments.

                  (a) Salary.  The Company will pay Executive within seventy-two
(72) hours of the Effective Date all salary earned  through the Effective  Date,
less applicable withholding.


<PAGE>

                  (b) Separation Payments. Executive shall receive the following
payments:  (i) on the Effective  Date a payment of  $1,500,000;  (ii) on the one
year  anniversary  of the Effective Date a payment of $500,000 (plus interest at
6% on such amount from the Effective  Date to the payment date) and (iii) on the
two year anniversary of the Effective Date a payment of $ 779,603 (plus interest
at 6% on such amount from the Effective Date to the payment  date).  The Parties
hereby agree that of the foregoing  payments,  the amount of $1,279,603 is being
paid to Executive in consideration of his non-competition  and  non-solicitation
agreement and is subject to Section 3 of this Agreement.

                  (c) Business Expenses.  The Company shall reimburse  Executive
for all business  expenses incurred in connection with carrying out the business
of the  Company  through the  Effective  Date  promptly  upon  receiving  backup
documentation in reasonable detail documenting such expenses.

                  (d)  Benefits.  Executive  shall receive  continued  coverage,
through March 11, 2001 (the "Continued  Coverage  Period"),  under each Employee
Welfare  Benefit Plan (as defined) of the Company in which he was  participating
as of March 1,  1998,  at no  increased  cost to  Executive,  provided  that the
Company's  obligations  under this  Section  2(d) shall be reduced to the extent
Executive receives similar coverage and benefits under the plans of a subsequent
employer.   Executive  shall  promptly  provide  the  Company  with  notice  and
information  reasonably  requested  by the Company  concerning  such  plans.  If
Executive  or any  member  of his  family  is  precluded  from  continuing  full
participation in any benefit under any Employee Welfare Benefit Plan as provided
in this Section  2(d),  then the Company  shall  provide  Employee with at least
sixty (60) days  advance  written  notice and shall make a payment to  Executive
equal to 2 times the cost of "COBRA" coverage, for the number of months obtained
by  subtracting  from (i) 36 months (ii) the number of months from the Effective
Date to the date coverage under the plan became  unavailable.  Such amount shall
be paid in a lump sum on the date  Executive  or any  member of his family is no
longer covered under such plan. Executive acknowledges and agrees that Executive
can elect continuation coverage under the Company's life, disability, accidental
death, dismemberment,  travel and accident plans and that the payment in Section
2(b)(i)  includes  all  payments  owed by the  Company  for such  coverage.  For
purposes  of this  Agreement  "Employee  Welfare  Benefit  Plan" shall mean "any
medical, dental, hospitalization,  vision, plan or program made available to the
Executive."

                           The Company shall continue to pay for six (6) months 
after the  Effective  Date the following  car payments for  Executive's  company
provided automobile; (i) monthly car payment, (ii) maintenance,  (iii) insurance
under the Company's  fleet plan, and (iv) gas and cleaning (or, at the Company's
option, a one-time payment of $1,200 in lieu of actual gas and cleaning).

                  (e) Loan Agreements. The Company and the Executive are parties
to  three  loan  agreements  attached  hereto  as  Exhibits  A-1,  A-2  and  A-3
(collectively the "Loan Agreements").


<PAGE>

                           (i) The Company and Executive agree that the loan 
dated  December 31, 1997  (Exhibit  A-1) has an amended loan balance of $180,000
and accrued interest of $15,272 as of March 2, 1998 and hereby confirm such loan
and accrued  interest is canceled  and  forgiven in its  entirety as of March 2,
1998.

                           (ii) The  Company and  Executive  agree that the loan
dated July 3, 1997  (Exhibit  A-2) has an amended loan balance of $100,000 as of
the Effective Date and accrued interest as of such date of $3,908.  Such loan is
due and payable on September 28, 1999.  The Company and  Executive  hereby agree
that such loan shall be repaid in its  entirety on the one year  anniversary  of
the  Effective  Date and that the  Company  shall  reduce the payment in Section
2(b)(ii)  by the  amount of  $109,408  in full  satisfaction  of  principal  and
interest on such loan.

                           (iii) The Company and  Executive  agree that the loan
dated December 23, 1997 (Exhibit A-3) has an amended loan balance of $300,000 as
of the Effective Date and accrued interest as of such date of $10,013. Such loan
is due and payable on January 25, 2004.  The Company and Executive  hereby agree
that such loan shall be repaid in its  entirety on the two year  anniversary  of
the  Effective  Date and that the  Company  shall  reduce the payment in Section
2(b)(ii)  by the  amount of  $343,019  in full  satisfaction  of  principal  and
interest on such loan.

                  (f) No Mitigation; Limited Offset. Executive shall be under no
obligation to seek other employment and there shall be no offset against amounts
due  Executive  under this  Agreement  on account of any  remuneration  or other
benefit  attributable to any subsequent  employment that he may obtain except as
specifically provided in Section 2(d).

                  (g) Nature of  Payments.  Any amounts due under this Section 2
are in the nature of severance  and  non-competition  payments  considered to be
reasonable by the Company and are not in the nature of a penalty.

                  (h)  Indemnification.  The Company  shall  continue to provide
Executive  with  full  indemnification   under  the  Company's   certificate  of
incorporation and by-laws as in effect on March 1, 1998 and the  Indemnification
Agreement  between the Company and Executive dated May 29, 1991 (copies of which
are attached as Exhibits B-1, B-2 and B-3) . For six years the Company shall use
commercially  reasonable  efforts to  continue to include  Executive  as a named
insured under the Company's  director and officer insurance policy with coverage
amounts at least equal to those in effect as of March 1, 1998.  Vishay agrees to
take all action  necessary  to assure that the Company  provides  the  foregoing
indemnification and all action commercially  reasonable to provide the foregoing
insurance coverage to Executive.

         3.  Forfeiture  of Benefits  upon Breach.  In the event that  Executive
breaches  Section 4 or 5 of this Agreement as the sole and exclusive  remedy (i)
all  obligations  of the Company to make any  payments  or provide any  benefits
under Sections 2(b)(ii) and 2(b)(iii) shall immediately  terminate and Executive
shall promptly repay, net of all taxes paid or payable,  any amounts he may have
received under these Sections 2(b)(ii) and 2(b)(iii).


<PAGE>

         4.  Non-Competition.  For a period of twenty-four (24) months following
the Effective  Date,  Executive  agrees as follows.  Executive shall not provide
services,  whether for  compensation  or  otherwise,  as an  officer,  director,
employee,  consultant  or in any other  capacity  to any  person or entity  that
competes,  directly or  indirectly,  with the  Company's  current  product  line
offered  commercially  on the Effective Date (the "Company  Products").  In this
regard,  Executive acknowledges that the business of the Company is national and
international in nature.  Executive also  acknowledges that this period of time,
scope of business and geographic extent are reasonably  necessary to protect the
legitimate business interests of the Company.  The foregoing  restrictions shall
not apply to and Executive  shall have the right to,  directly or as an officer,
director,  employee,  consultant  or in any other  capacity  with any  person or
entity,  assemble,  test, develop and manufacture any products, and to assemble,
test and  manufacture  for other persons or entities  products that compete with
the  Company  Products,  provided  Executive  or such  person or entity does not
market and sell any product which competes with the Company Products directly to
the market (OEM  customers) or to  distributors  and Executive or such person or
entity is not involved in research and development, wafer fabrication,  software
design or "fabless"  activity  (using  foundry  production) of any product which
competes with the Company Products.

                  The   Company   and   Vishay   agree   that   the    foregoing
non-competition  provision  does not apply to IRDC  products  or products of any
companies or entities not including the Company that Vishay acquired at the time
of its acquisition of the majority ownership of the Company.

         5.  Non-Solicitation.  For a period of twelve (12) months following the
Effective Date,  Executive shall not, and shall not  intentionally  or knowingly
allow others under his direction to, solicit,  directly or indirectly,  any then
current Company employee to terminate his or her employment with the Company for
the purpose of working as an officer, director,  employee,  consultant or in any
other capacity for either Executive or any of his employers. For purposes of the
above,  an employer of  Executive's  will be deemed to include (i) any parent or
subsidiary of such an employer or (ii) any person or company for which Executive
provides  consulting  services or for which he acts in the capacity of director.
The foregoing shall not prohibit  Executive or any employee with which Executive
may be  affiliated  from hiring an employee or former  employee of the  Company;
provided that such hiring results from such employee's  initiative in contacting
Executive  or any  employer  Executive  is  affiliated  with.  In  addition,  if
Executive or such  employer  desires to hire such  employee  after such contact,
Executive  agrees to contact  the Company and to work with the Company to find a
reasonable  transition  to enable the Company to replace such employee or modify
the organization, provided such transition shall not exceed three (3) months.

         6.  Confidentiality.   Executive   acknowledges  that  the  Employment,
Invention, Authorship,  Proprietary and Confidential Information Agreement dated
June 1, 1987 (the "Confidentiality Agreement") that he signed in connection with
his employment and that is appended to this Agreement as Exhibit C, shall remain
in full force and effect.

         7. Payment of Salary.  Executive acknowledges and represents that, upon
full performance of its obligations under this Agreement,  the Company will have
paid or made  all  


<PAGE>

salary,  bonuses,  severance  amounts  and  any and all  other  compensation  or
benefits due to Executive as of the  Effective  Date as in  connection  with the
termination of his employment with the Company.

         8.  Release  of Claims.  The  Parties  acknowledge  and agree that this
Agreement  represents  settlement in full of all  obligations and claims arising
out of or relating to Executive's  employment by the Company and the termination
of such  employment as provided in this  Agreement.  Executive,  the Company and
Vishay,  on  behalf  of  themselves,  and  their  respective  heirs,  executors,
officers,  directors,   employees,  investors,   shareholders,   administrators,
predecessor and successor  corporations,  and assigns,  hereby fully and forever
release each other and their respective heirs, executors,  officers,  directors,
employees, investors,  shareholders,  administrators,  predecessor and successor
corporations,  and assigns, of and from any claim, duty,  obligation or cause of
action relating to any matters of any kind,  whether presently known or unknown,
suspected  or  unsuspected,  that  any of them  may  possess  arising  from  any
omissions, acts or facts that have occurred up until and including the Effective
Date including, without limitation,

                  (a) any and all claims relating to or arising from Executive's
employment by (or services for) the Company,  his employment  relationship  with
the Company and the termination of that relationship;

                  (b) any and all claims for wrongful  discharge of  employment;
breach of contract, both express and implied; breach of a covenant of good faith
and fair dealing, both express and implied;  negligent or intentional infliction
of emotional distress; negligent or intentional misrepresentation;  negligent or
intentional  interference with contract or prospective  economic advantage;  and
defamation;

                  (c) any and all claims for violation of any federal,  state or
municipal  statute,  including,  but not limited to, the  Employment  Retirement
Income  Security  Act of 1974,  Title VII of the Civil  Rights Act of 1964,  the
Civil Rights Act of 1991, the Age  Discrimination in Employment Act of 1967, the
Americans with  Disabilities Act of 1990, and the California Fair Employment and
Housing Act;

                  (d) any and all  claims  arising  out of any  other  laws  and
regulations relating to employment or employment discrimination;

                  (e) any claims arising out of or related to the Severance 
Agreements;

                  (f) any and all claims for attorneys' fees and costs;

                  (g) all  claims  arising  out of or  relating  to  Executive's
conduct  as an  employee,  officer,  director,  agent or  representative  of the
Company;

                  (h) all claims  arising  out of or  relating to duties owed by
Executive  to the  Company  or to any of  its  directors,  officers,  employees,
agents, affiliates,  stockholders,  lenders, investors, predecessor or successor
corporations, assigns, attorneys, accountants or 


<PAGE>

other representatives; and

                  (i) any claims  Executive  may have against  Temic  Telefunken
microelectronic  Gmbh  ("Temic")  for  payments  under  any  severance  or other
agreement or plan that Executive  participates  in arising from a termination of
Executive by Temic after the acquisition of Temic by Vishay,  provided that this
release  shall not apply to amounts owed by Temic to Executive  under such plans
prior to or in connection with successful completion of such acquisition.

The  Company,  Vishay and  Executive  agree that the  release  set forth in this
Section  shall be and remain in effect in all  respects  as a  complete  general
release  as to the  matters  released.  This  release  does  not  extend  to any
obligations arising under, incurred under, or preserved by this Agreement.

         9.   Acknowledgment   of  Waiver  of  Claims   under  ADEA.   Executive
acknowledges  that he is waiving and  releasing any rights he may have under the
Age  Discrimination  in Employment Act of 1967 ("ADEA") and that this waiver and
release is knowing and  voluntary.  Executive  and the  Company  agree that this
waiver and  release  does not apply to any rights or claims that may arise under
ADEA after the Effective Date.  Executive  acknowledges  that the  consideration
given for this  waiver and  release is in addition to anything of value to which
Executive was already entitled.  Executive further acknowledges that he has been
advised by this  writing that (a) he should  consult  with an attorney  prior to
executing this Agreement;  (b) he has at least twenty-one (21) days within which
to consider  this  Agreement;  (c) he has at least seven (7) days  following the
execution of this Agreement by the Parties to revoke the Agreement; and (d) this
Agreement shall not be effective until the revocation period has expired.

         10. Civil Code Section 1542.  The Parties  represent  that they are not
aware of any claim by any of them  other than the claims  that are  released  by
this Agreement.  Executive,  the Company and Vishay  acknowledge  that they have
been advised by legal counsel and are familiar with the provisions of California
Civil Code Section 1542, which provides as follows:

                  A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS WHICH THE CREDITOR
                  DOES NOT KNOW OR  SUSPECT TO EXIST IN HIS FAVOR AT THE TIME OF
                  EXECUTING  THE  RELEASE,  WHICH  IF  KNOWN  BY HIM  MUST  HAVE
                  MATERIALLY AFFECTED HIS SETTLEMENT WITH THE DEBTOR.

         Executive,  the Company and Vishay,  being aware of said Code  section,
agree to expressly waive any rights they may have  thereunder,  as well as under
any other statute or common law principles of similar effect.

         11.  Payment on Death.  In the event of death of Executive,  all unpaid
amounts shall be  accelerated  and paid to  Executive's  surviving  spouse or to
Executive's estate if Executive has no surviving spouse.


<PAGE>

         12. Fees and Expenses.  Each of the Parties hereto shall bear their own
fees and expenses,  including  attorneys  fees,  incurred in connection with the
negotiation of this Agreement or otherwise arising out of, or by reason of, this
Agreement.

         13.  Taxes.  All payments to be made by the Company to Executive  under
this Agreement will be subject to reduction to the extent  necessary in order to
comply with applicable  Federal,  state and local tax withholding  requirements.
The Company  hereby  warrants to Executive that no payments under this Agreement
will be deemed an "excess parachute payment" under Internal Revenue Code Section
280G.

         14.  Confidentiality.  The Parties  hereto each agree to use their best
efforts to maintain in confidence the existence of this Agreement,  the contents
and terms of this Agreement,  and the consideration  for this Agreement,  except
where disclosure of the terms of this Agreement is otherwise required by law and
except for  disclosure in confidence to financial,  tax, and legal  advisors and
disclosure by Executive in confidence to prospective employers.

         15. Disparagement. Each Party agrees to refrain from any disparagement,
criticism, defamation, and slander of the other Party.

         16. No Representations. Each Party represents that it or he has had the
opportunity to consult with an attorney,  and has carefully read and understands
the scope and effect of the  provisions of this  Agreement.  No Party has relied
upon any  representations or statements made by any other Party hereto which are
not specifically set forth in this Agreement.

         17. Entire Agreement. This Agreement, the Confidentiality Agreement and
those portions of the Loan Agreements  preserved by this Agreement represent the
entire  agreement and  understanding  between the Company,  Vishay and Executive
concerning  Executive's  separation from the Company,  and supersede and replace
any  and  all  prior  agreements  and  understandings   concerning   Executive's
relationship  with the Company and his  compensation  by the Company,  including
without limitation,  the Severance  Agreements,  except as otherwise provided in
this Agreement.

         18. Assignability; Binding Nature. This Agreement shall be binding upon
and inure to the  benefit of the  Parties and their  respective  successors  and
assigns.  No rights or obligations of the Company or Vishay under this Agreement
may be assigned or  transferred by the Company or Vishay except that such rights
or  obligations  shall be  assigned  or  transferred  pursuant  to a  merger  or
consolidation  in which the Company or Vishay is not the continuing  entity,  or
the sale or liquidation of all or substantially all of the assets of the Company
or Vishay,  and the  Company  or Vishay  shall  provide  that such  assignee  or
transferee expressly assumes all the liabilities,  obligations and duties of the
Company or Vishay,  as  contained  in this  Agreement.  In  connection  with any
transfer  or  assignment  of its  rights,  duties,  or  obligations  under  this
Agreement,  the Company or Vishay shall take  whatever  action it legally can to
cause  such  assignee  or  transferee  to  expressly   assume  the   labilities,
obligations  and duties of the  Company or Vishay  hereunder.  The  Company  and
Vishay shall, in any event, 

<PAGE>

remain as unconditional  guarantor of prompt payment and prompt  satisfaction of
all such liabilities,  obligations and duties. No rights,  obligations or duties
of the Executive under this Agreement may be assigned or transferred, other than
his rights to compensation  and benefits,  which may be transferred only by will
or operation of law, except as provided in Section 23 below.

         19. Representations.  The Company and Vishay represent and warrant that
each is fully authorized and empowered by any required corporate action to enter
into this  Agreement  and that the  performance  of its  obligations  under this
Agreement will not violate any law, regulation or order of any agreement between
it and any other person.  The Executive  represents  and warrants that he is not
subject to any agreement or obligation  that conflicts with or would be breached
by the provisions of this Agreement.

         20. Amendment or Waiver.  No provision in this Agreement may be amended
unless such amendment is set forth in a writing signed by the Parties. No waiver
by either Party of any breach of any  condition  or provision  contained in this
Agreement  shall be deemed a waiver  of a similar  or  dissimilar  condition  or
provision at the same or any prior or  subsequent  time.  To be  effective,  any
waiver must be set forth in writing and signed by the waiving Party.

         21.  Severability.  In the event that any  provision or portion of this
Agreement shall be determined to be invalid or unenforceable  for any reason, in
whole or in part,  the remainder of this Agreement  shall be unaffected  thereby
and shall remain in full force and effect to the fullest extent permitted by law
so as to achieve the purposes of this Agreement.

         22.  Survivorship.  Except  as  otherwise  expressly  set forth in this
Agreement,  the respective rights and obligations of the Parties hereunder shall
survive the  termination of Executive's  employment.  This Agreement  itself (as
distinguished  from the  Executive's  employment)  may not be  terminated by any
Party.

         23.  Beneficiaries/References.  The Executive shall be entitled, to the
extent permitted under any applicable law, to select and change a beneficiary or
beneficiaries  to receive any  compensation or benefit  hereunder  following the
Executives's death, by giving written notice to the Company. In the event of the
Executive's death or a judicial determination of his incompetence, references in
this Agreement to the Executive shall be deemed, where appropriate,  to refer to
his beneficiary, estate or other legal representative.

         24.  Resolution  of Disputes.  Any claim  arising out of or relating to
this Agreement or out of Executive's employment by, or services for the Company,
shall be resolved by confidential arbitration, to be held in Santa Clara County,
California,  in accordance with the Commercial Arbitration Rules of the American
Arbitration  Association.  The arbitrator(s) shall explain the reasons and basis
of his (their)  award in detail and in writing,  and judgment upon the award may
be entered in any court having jurisdiction thereof. Each Party shall bear their
own respective costs and expenses relating to resolving any such claim.  Pending
the final and  conclusive  resolution of any such claim,  the Company and Vishay
shall  continue  prompt  payment of all  amounts  due the  Executive  under this
Agreement  and prompt  provision of all  

<PAGE>

benefits to which the Executive or his successors and assigns are entitled.

         25.  Notices.   Any  notice,   consent,   demand,   request,  or  other
communication  given to a Party in connection  with this  Agreement  shall be in
writing and shall be deemed to have been given (a) when delivered  personally to
the Party specified or (b),  provided that reasonable  steps are taken to assure
that the  communication  is  actually  received  by the  Party  specified,  five
business days after being sent by certified or registered mail, postage prepaid,
return receipt  requested,  duly addressed to the Party concerned at the address
indicated below or to such changed address as such Party may  subsequently  give
notice of:

If to the Company and/or Vishay:

Vishay Intertechnology, Inc.
63 Lincoln Highway
Malvern, PA 19355-2120

Attention:   Avi Eden

With a copy sent by the same means to:

Siliconix, Inc.
2201 Laurelwood Road
Santa Clara, CA 95054

Attn:  General Counsel

If to the Executive:

         Richard J. Kulle
         12341 Stonebrook Court
         Los Altos Hills, CA 94022-5133

With a copy sent by the same means to:

         Wilson Sonsini Goodrich & Rosati, P.C.
         650 Page Mill Road
         Palo Alto, California 94304-1050
         Attention:  Barry E. Taylor, Esq.

         26. Headings.  The headings of the Sections contained in this Agreement
are for  convenience  only and  shall not be deemed  to  control  or affect  the
meaning or construction of any provision of this Agreement.

         27.  Governing Law. This Agreement shall be governed by the laws of the
State of California, without reference to its choice of law principles.

         28. Counterparts.  This Agreement may be executed in counterparts,  and
each  

<PAGE>

counterpart  shall  have the same  force  and  effect as an  original  and shall
constitute  an  effective,  binding  agreement  on  the  part  of  each  of  the
undersigned.

         29.  Voluntary  Execution  of  Agreement.  This  Agreement  is executed
voluntarily  and without any duress or undue  influence on the part or behalf of
the Parties  hereto,  with the full intent of releasing all claims.  The Parties
acknowledge that:
                  (a)  They have read this Agreement;

                  (b)  They   have   been   represented   in  the   preparation,
negotiation,  and  execution  of this  Agreement  by legal  counsel of their own
choice or that they have voluntarily declined to seek such counsel;

                  (c)  They understand the terms and consequences of this 
Agreement and of the releases it contains;

                  (d)  They are fully aware of the legal and  binding  effect of
this Agreement.

         30. Effective Date. The Effective Date of this Agreement shall be seven
(7) days after execution by all parties as required under ADEA.

                  IN WITNESS  WHEREOF,  the Parties have executed this Agreement
on the respective dates set forth below.

                                                SILICONIX INCORPORATED


Dated:  March 11, 1998                          By: /s/David Achterkirchen      
                                                    ----------------------------


Dated:  March 11, 1998                          VISHAY INTERTECHNOLOGY, INC.


                                                By: /s/Avi Eden
                                                    ----------------------------


Dated:  March 11, 1998                          /s/Richard J. Kulle             
                                                --------------------------------
                                                       Richard J. Kulle



           AMENDMENT NO. 1 TO SEPARATION AGREEMENT AND MUTUAL RELEASE


         This  Amendment  No. 1 to Separation  Agreement  and Mutual  Release is
entered  into as of  March  19,  1998 by and  among  Siliconix  incorporated,  a
Delaware corporation (the "Company"),  Vishay Intertechnology,  Inc., a Delaware
corporation ("Vishay"), and Richard J. Kulle ("Executive").

                                    RECITALS
                                    --------

         A.  The  Company,  Vishay and  Executive  are  parties to a  Separation
             Agreement   and  Mutual   Release   dated   March  11,   1998  (the
             "Agreement").

         B.  The  parties  to  the  Agreement  desire  to  amend  the  same,  as
             hereinafter set forth.

         NOW,  THEREFORE,  in  consideration of the mutual promises made herein,
the parties hereto hereby agree as follows:

         1.  Waiver of  Benefits.  Executive  hereby  agrees to waive all of his
rights under Section 2(d) of the Agreement;  provided, however, that the Company
shall  continue to make the lease and  automobile  insurance  payments  covering
Executive's  company-provided  automobile  for as  long as  Executive  maintains
possession of said  automobile.  Executive  understands  that by executing  this
Amendment No. 1, he is waiving all of his rights to receive  benefits  under any
Employee Welfare Benefit Plan, as that term is defined in the Agreement,  except
as specifically  provided in this Section 1. The parties  acknowledge and agree,
however,  that  Executive's  rights (i) under the Siliconix  Retirement Plan and
(ii) to continue  medical  insurance  under COBRA at his expense  subsequent  to
March 11, 1998 shall not be affected by this Amendment No. 1.

         2. Lump Sum Payment.  In consideration of the waiver given by Executive
in Section 1 hereof,  the Company hereby agrees to pay,  within seven days after
this  Amendment  shall have been fully  executed by the parties  hereto,  a net,
i.e.,  grossed  up,  lump sum  payment  of  $95,000.  This is  comprised  of the
following:

                           Medical and life insurance         $93,151.28
                           Automobile gas and cleaning          1,200.00
                           Automobile maintenance                 648.72
                                                              ----------

                                            Total:            $95,000.00
                                                              ==========

For the derivation of the amount  allocated to medical and life  insurance,  see
Exhibit A attached hereto and made a part hereof.



         3. Effect of  Amendment on  Agreement.  Except as amended  hereby,  the
Agreement 

<PAGE>

shall remain in full force and effect, in accordance with its terms.


         IN WITNESS WHEREOF, the parties hereto have executed this Amendment No.
1 on the respective dates set forth below.


                                          SILICONIX INCORPORATED



Dated: March 19, 1998                     By:/s/David Achterkirchen             
                                             -----------------------------------
                                              David Achterkirchen, Secretary


                                          VISHAY INTERTECHNOLOGY, INC.



Dated: March 19, 1998                     By:/s/William Spires
                                             -----------------------------------
                                                 William Spires, Vice President



Dated: March 19, 1998                     /s/Richard J. Kulle                   
                                          --------------------------------------
                                               Richard J. Kulle




                                      -2-

                                 PROMISSORY NOTE


US $34,570,000.00                                                March 2nd, 1998
                                                              New York, New York


     FOR VALUE RECEIVED,  SILICONIX,  INC. ("Siliconix") a Delaware corporation,
by this promissory note  unconditionally  promises to pay to the order of VISHAY
INTERTECHNOLOGY,  INC.  ("Vishay")  a  Delaware  corporation  or its  registered
assigns the  principal  amount of THIRTY FOUR  MILLION  FIVE HUNDRED and SEVENTY
THOUSAND DOLLARS ($34,570,000.00) or such lesser amount as may be owed from time
to time by Siliconix to Vishay and to pay interest on the unpaid  balance hereof
at Vishay's Borrowing Rate (as defined below) on the 1st day of each of January,
April, July and October of each year commencing July 1, 1998 and on the Maturity
Date (each such date being an Interest  Payment  Date) all as hereafter  further
provided.

         1.       Payments.

                  (a) Principal of, and any accrued and unpaid interest on, this
Note  shall be due and  payable  in full on  December  31,  2001 (the  "Maturity
Date");

                  (b) interest on this Note shall accrue from the date hereof, 
to, but  excluding,  the next  Interest  Payment  Date,  and shall be payable in
arrears on each Interest Payment Date;

                  (c) if any Interest  Payment Date or the Maturity  Date would 
fall on a day that is not a Business Day (as defined below),  the payment due on
such Interest  Payment Date or Maturity Date will be made on the next succeeding
Business Day with the same force and effect as if made on the  Interest  Payment
Date or the  Maturity  Date,  as the case may be.  "Business  Day" means any day
which is not a Saturday or Sunday and is not a day on which banking institutions
are generally authorized or obligated to close in the City of New York;

                   (d) the Borrower may prepay all or any portion of this Note. 
All  payments  on this Note shall be applied  first to accrued  interest on this
Note and then to the balance of principal on this Note;

                   (e)  payments of  principal  and interest on this Note shall 
be made by check  sent to  Vishay's  address  set forth  above or to such  other
address as Vishay may  designate  for such  purpose from time to time by written
notice to Siliconix, in such coin or currency of the United States of America as
at the time of  payment  shall be legal  tender  for the  payment  of public and
private debts;


<PAGE>

                   (f) the obligations to make the payments provided for in this
Note are absolute  and  unconditional  and not subject to any defense,  set-off,
counterclaim,  rescission, recoupment or adjustment whatsoever. Siliconix hereby
expressly  waives demand and  presentment  for payment,  notice of  non-payment,
notice of  dishonor,  protest,  notice of protest  and  diligence  in taking any
action to collect any amount  called for  hereunder,  and shall be directly  and
primarily  liable  for the  payment  of all sums  owing and to be owing  hereon,
regardless of and without any notice, diligence, act or omission with respect to
the collection of any amount called for hereunder; and

                   (g) for the purposes of this Note,  Vishay's  Borrowing Rate 
shall mean the interest  rate  payable by Vishay to the Lenders (as  hereinafter
defined) on its borrowings, as such rate may vary from time to time.

         2. Ranking of Note. Subject to Section 7 herein Siliconix,  for itself,
its  successors  and  assigns,  covenants  and  agrees  that the  payment of the
principal  of and  interest  on this Note is pari passu with the  payment of all
existing and future debt of Siliconix.

         3. Covenants.  Siliconix covenants and agrees with Vishay that, so long
as any  amount  remains  unpaid on this Note,  unless  the  consent of Vishay is
obtained,  Siliconix shall not create,  incur, or suffer to exist any other debt
except in cases (i) where the holders of such other debt have duly  executed any
and  all  subordination   agreements  or  intercreditor   agreements  reasonably
acceptable to Vishay,  (ii) capital lease  obligations  incurred in the ordinary
course of  business,  and (iii) trade debt  incurred in the  ordinary  course of
business.

         4. Events of Default.

         The  occurrence  of any of the  following  events  shall  constitute  a
default (a "Default"):

               (a) a default in the payment of the principal on this Note, when 
and as the same shall become due and payable;

               (b) a default in the payment of any interest on this Note,  when 
and as the same shall become due and payable,  which default shall  continue for
two (2)  business  days  after the date  fixed for the  making of such  interest
payment;

               (c) a material default in the performance, or a material breach, 
of any of the covenants of Siliconix contained in this Note;

               (d) a material default in the performance, or a material breach, 
of any financial covenant contained in any loan agreement executed by Siliconix,
which  default or breach  shall have  continued  beyond any grace or cure period
provided therein;

               (e) any representation,  warranty or certification made by 
Siliconix in or pursuant to this Note,  or any  subordination  or  intercreditor
agreement  shall prove to have been false or  misleading  as of the date made in
any material respect; or


                                      -2-

<PAGE>

               (f) the  entry of a decree  or  order  by a court  having  
jurisdiction  adjudging  Siliconix  a bankrupt  or  insolvent,  or  approving  a
petition seeking reorganization, arrangement, adjustment or composition of or in
respect  of  Siliconix  under  federal  bankruptcy  law,  as  now  or  hereafter
constituted, or any other applicable federal or state bankruptcy,  insolvency or
other similar law, and the  continuance of any such decree or order unstayed and
in effect for a period of sixty (60) days; or the commencement by Siliconix of a
voluntary case under federal bankruptcy law, as now or hereafter constituted, or
any other applicable federal or state bankruptcy,  insolvency,  or other similar
law, or the consent by Siliconix to the  institution of bankruptcy or insolvency
proceedings  against it, or the filing by  Siliconix  of a petition or answer or
consent  seeking  reorganization  or relief under federal  bankruptcy law or any
other applicable federal or state law, or the consent by Siliconix to the filing
of such  petition or to the  appointment  of a receiver,  liquidator,  assignee,
trustee,  sequestrator or similar  official of Siliconix,  or of any substantial
part of the property of  Siliconix,  or the making by Siliconix of an assignment
for the benefit of creditors,  or the admission by Siliconix, in writing, of its
inability  to pay its debts  generally  as they  become  due,  or the  taking of
corporate action by Siliconix in furtherance of any such action.

         5. Remedies Upon Default.

               (a)  Subject  to  Section  7 herein  upon the  occurrence  of a 
Default  referred to in Section 4(f), the principal  amount then outstanding of,
and the accrued interest on, this Note shall  automatically  become  immediately
due and payable without presentment, demand, protest or other formalities of any
kind, all of which are hereby expressly waived by Siliconix. Upon the occurrence
of a Default  referred  to in Section 4 (other  than  Section  4(f)),  Vishay by
notice in writing given to Siliconix,  may declare the entire  principal  amount
then  outstanding  of,  and the  accrued  interest  on,  this Note to be due and
payable immediately,  and upon any such declaration the same shall become and be
due and payable  immediately,  without  presentation,  demand,  protest or other
formalities of any kind, all of which are expressly waived by Siliconix; and

               (b) Vishay may institute  such actions or  proceedings in law or 
equity as it shall  deem  expedient  for the  protection  of its  rights and may
prosecute  and  enforce  its  claims  against  all assets of  Siliconix,  and in
connection with any such action or proceeding  shall be entitled to receive from
Siliconix, payment of the principal amount of this Note plus accrued interest to
the date of payment plus reasonable expenses of collection,  including,  without
limitation, attorneys' and experts' fees and expenses.

         6. Assignment.

               This Note may be assigned, subject to the terms of the Credit 
Agreement  (as  hereinafter  defined),  to a  wholly-owned  subsidiary of Vishay
provided that such  subsidiary  acknowledges in writing and with notice to Agent
(as hereinafter defined) that it is bound by the terms of this Note.


                                      -3-

<PAGE>

         7. Subordination.

               (a) So long as that certain Long Term Revolving  Credit Agreement
dated as of March 2, 1998 (as amended or otherwise  modified  from time to time,
the "Credit Agreement") by and among Vishay, certain financial institutions from
time  to  time  signatory   thereto  (the  "Lenders"),   and  Comerica  Bank  as
Administrative  Agent for the  Lenders  (the  "Agent"),  remains in effect,  and
thereafter  until the  expiration  of all  Letters  of  Credit  (as such term is
defined in the Credit Agreement) and the payment in full of all Indebtedness (as
such term is defined in the Credit  Agreement) and the  performance by Vishay of
all other  obligations  under the Credit  Agreement (i) this Note shall be fully
subordinated  in all  respects  to the  Indebtedness  (as  defined in the Credit
Agreement) of Siliconix, if any, (herein, the "Senior Indebtedness") and (ii) in
the event that  Siliconix  becomes a Guarantor or a Permitted  Borrower (as such
terms are defined in the Credit  Agreement),  upon the occurrence and during the
continuance  of an Event of  Default  (as such  term is  defined  in the  Credit
Agreement),  no  payments  may be made of the  principal  of or interest on this
Note.

               (b) Siliconix agrees,  and Vishay by accepting this Note agrees, 
that: (A) the  obligations  evidenced by this Note are  subordinated in right of
payment,  to the  prior  payment  in full of all the  Senior  Indebtedness;  the
subordination is for the benefit of the holders of the Senior Indebtedness,  and
each holder of Senior Indebtedness whether now outstanding or hereafter created,
incurred,  assumed  or  guaranteed  shall  be  deemed  to have  acquired  Senior
Indebtedness  in reliance upon the covenants  and  provisions  contained in this
Note;  (B) if Siliconix is  prohibited by the terms of this Note from making any
payment of principal, interest or any other sum under or in respect of this Note
when due, and therefore  Siliconix shall fail to pay when due any such sum, such
failure shall not  constitute a default or event of default under and in respect
of this Note (provided that interest shall continue to accrue as provided herein
and be added to  principal  (but shall not itself bear  interest)  as herein set
forth); and (C) no revision to any provision of this Note applicable or relevant
to the  subordination of this Note to the Senior  Indebtedness  shall be made or
become  effective  until  approved  in  writing  by the  holders  of the  Senior
Indebtedness.

               (c) Upon any distribution  (whether cash, securities or other 
property,  by setoff or otherwise) to creditors of Siliconix in a liquidation or
dissolution  of  Siliconix  or  in  a  bankruptcy,  reorganization,  insolvency,
receivership or similar  proceeding  relating to Siliconix or its property:  (A)
holders  of Senior  Indebtedness  shall be  entitled  to  payment in full of all
obligations with respect to the Senior  Indebtedness  (including  interest after
the  commencement  of  any  such  proceeding  at the  rates  specified  for  the
applicable   Senior   Indebtedness)  to  the  date  of  payment  of  the  Senior
Indebtedness  before  Vishay  shall be  entitled  to receive  any payment of any
obligations  with  respect  to this  Note;  and (B) until all  obligations  with
respect to the Senior  Indebtedness  are paid in full, any distribution to which
Vishay would be entitled  under the terms and  conditions  of this Note shall be
made to holders of Senior  Indebtedness as their interests may appear;  provided
however  that  for  the  purposes  of  determining  the  amount  of  Siliconix's
obligations  to Vishay  hereunder,  any  payments by Siliconix to the holders of
Senior  Indebtedness on account of its obligations in respect of this Note shall
be deemed to have been made (without duplication) to Vishay.  Payments of Senior
Indebtedness under this Section 7 shall be considered  payments of principal and
interest, as the case may be, on this Note.


                                      -4-

<PAGE>

               (d) No right of any  holder  of  Senior  Indebtedness  to enforce
the  subordination of the indebtedness  evidenced by this Note shall be impaired
by any act or failure to act by  Siliconix  or by its failure to comply with the
terms and conditions of this Note.

         8. Miscellaneous.

               (a) Any notice or other communication required or permitted to be
given  hereunder  shall be in  writing  and shall be mailed by  certified  mail,
return  receipt  requested,  or by  Federal  Express,  Express  Mail or  similar
overnight  delivery or courier  service or delivered (in person [or by telecopy,
telex or similar telecommunications  equipment]) against receipt to the party to
whom it is to be given,  (i) if to Siliconix,  at its address at 2201 Laurelwood
Road, Santa Clara, California 95054, Attention: David Achterkirchen,  (ii) if to
Vishay, at its address at 63 Lincoln Highway, Malvern,  Pennsylvania 19355-2120,
or (iii) in either case, to such other address as the party shall have furnished
in writing in accordance with the provisions of this Section 8(a). Notice to the
estate of any party shall be sufficient if addressed to the party as provided in
this Section 8(a).  Any notice or other  communication  given by certified  mail
shall be deemed given at the time of certification thereof,  except for a notice
changing a party's  address  which shall be deemed  given at the time of receipt
thereof. Any notice given by other means permitted by this Section 8(a) shall be
deemed given at the time of receipt thereof;

               (b) No course of dealing and no delay or omission on the part of 
Vishay in exercising  any right or remedy shall  operate as a waiver  thereof or
otherwise  prejudice  Vishay's rights,  powers or remedies.  No right,  power or
remedy conferred by this Note upon Vishay shall be exclusive of any other right,
power or remedy  referred  to herein or now or  hereafter  available  at law, in
equity,  by statute or otherwise,  and all such remedies may be exercised singly
or concurrently;

               (c) Subject to Section 7 herein,  this Note may be  amended,  or 
any of its provisions waived only by written consent or consents executed by the
parties hereto;

               (d) This Note shall be governed by and construed in accordance 
with the laws of the State of  Michigan,  without  giving  effect to  principles
governing conflict of laws; and

               (e) Siliconix irrevocably consents to the jurisdiction of the 
courts of the State of New York and of any federal  court  located in such State
in connection  with any action or proceeding  arising out of or relating to this
Note, any document or instrument  delivered  pursuant to, in connection  with or
simultaneously  with this Note, or a breach of this Note or any such document or
instrument. In any such action or proceeding,  Siliconix waives personal service
of any summons,  complaint or other process and agrees that service  thereof may
be made in  accordance  with Section  8(a).  Within  thirty (30) days after such
service,  or such other time as may be  mutually  agreed  upon in writing by the
attorneys for the parties to such action or proceeding,  Siliconix  shall appear
or answer such summons, complaint, or other process.


                                      -5-

<PAGE>

         IN WITNESS  WHEREOF,  Siliconix has caused this Note to be executed and
dated the day and year first above written.



                                                     SILICONIX, INC.



                                                     By: ______________________
                                                         Name:
                                                         Title:


                                                     By: ______________________
                                                         Name:
                                                         Title:


                          Allonge for Intercompany Note
        Issued by Siliconix Incorporated to Vishay Intertechnology, Inc.

Pay to the order of Comerica Bank, as  Administrative  Agent,  without recourse,
pursuant to the terms and  conditions  of that certain  Company Stock Pledge and
Security  Agreement by and among Vishay  Intertechnology,  Inc. (the "Company"),
certain other Subsidiaries of the Company,  and Comerica Bank, as Administrative
Agent  for  and  on  behalf  of  the  Lenders  party  to  that  certain   Vishay
Intertechnology,  Inc. Long Term Revolving Credit Agreement dated as of March 2,
1998 (as amended or otherwise  modified from time to time) as such Company Stock
Pledge and Security  Agreement may be amended or otherwise modified from time to
time.


                                                 VISHAY INTERTECHNOLOGY, INC.

                                                 By:   ________________________
                                                 Name: ________________________
                                                 Title: _______________________




                                      -6-



                                 PROMISSORY NOTE


US $16,000,000.00                                             May 26, 1998
                                                              New York, New York


         FOR  VALUE   RECEIVED,   SILICONIX,   INC.   ("Siliconix")  a  Delaware
corporation,  by this  promissory  note  unconditionally  promises to pay to the
order of VISHAY  INTERTECHNOLOGY,  INC. ("Vishay") a Delaware corporation or its
registered   assigns   the   principal   amount  of  SIXTEEN   MILLION   DOLLARS
($16,000,000.00)  or such  lesser  amount  as may be owed  from  time to time by
Siliconix to Vishay and to pay interest on the unpaid balance hereof at Vishay's
Borrowing Rate (as defined below) on the 1st day of each of January, April, July
and October of each year  commencing  October 1, 1998 and on the  Maturity  Date
(each  such  date  being an  Interest  Payment  Date) all as  hereafter  further
provided.

         1. Payments.

            (a) Principal of, and any accrued and unpaid  interest on, this Note
shall be due and payable in full on December 31, 2001 (the "Maturity Date");

            (b) interest on this Note shall accrue from the date hereof, to, but
excluding,  the next Interest  Payment Date,  and shall be payable in arrears on
each Interest Payment Date;

            (c) if any Interest  Payment Date or the Maturity Date would fall on
a day that is not a Business  Day (as  defined  below),  the payment due on such
Interest  Payment  Date or  Maturity  Date  will be made on the next  succeeding
Business Day with the same force and effect as if made on the  Interest  Payment
Date or the  Maturity  Date,  as the case may be.  "Business  Day" means any day
which is not a Saturday or Sunday and is not a day on which banking institutions
are generally authorized or obligated to close in the City of New York;

            (d) the  Borrower  may prepay all or any  portion of this Note.  All
payments  on this Note shall be applied  first to accrued  interest on this Note
and then to the balance of principal on this Note;

            (e) payments of principal and interest on this Note shall be made by
check sent to  Vishay's  address  set forth  above or to such  other  address as
Vishay may  designate  for such purpose  from time to time by written  notice to
Siliconix,  in such coin or currency  of the United  States of America as at the
time of  payment  shall be legal  tender for the  payment of public and  private
debts;

<PAGE>

            (f) the  obligations to make the payments  provided for in this Note
are  absolute  and  unconditional  and  not  subject  to any  defense,  set-off,
counterclaim,  rescission, recoupment or adjustment whatsoever. Siliconix hereby
expressly  waives demand and  presentment  for payment,  notice of  non-payment,
notice of  dishonor,  protest,  notice of protest  and  diligence  in taking any
action to collect any amount  called for  hereunder,  and shall be directly  and
primarily  liable  for the  payment  of all sums  owing and to be owing  hereon,
regardless of and without any notice, diligence, act or omission with respect to
the collection of any amount called for hereunder; and

            (g) for the  purposes of this Note,  Vishay's  Borrowing  Rate shall
mean the interest rate payable by Vishay to the Lenders (as hereinafter defined)
on its borrowings, as such rate may vary from time to time.

         2. Ranking of Note. Subject to Section 7 herein, Siliconix, for itself,
its  successors  and  assigns,  covenants  and  agrees  that the  payment of the
principal  of and  interest  on this Note is pari passu with the  payment of all
existing and future debt of Siliconix.

         3. Covenants.  Siliconix covenants and agrees with Vishay that, so long
as any  amount  remains  unpaid on this Note,  unless  the  consent of Vishay is
obtained,  Siliconix shall not create,  incur, or suffer to exist any other debt
except in cases (i) where the holders of such other debt have duly  executed any
and  all  subordination   agreements  or  intercreditor   agreements  reasonably
acceptable to Vishay,  (ii) capital lease  obligations  incurred in the ordinary
course of  business,  and (iii) trade debt  incurred in the  ordinary  course of
business.

         4. Events of Default.

         The  occurrence  of any of the following  events shall  constitute a
default (a "Default"):

            (a) a default in the payment of the principal on this Note, when and
as the same shall become due and payable;

            (b) a default in the payment of any interest on this Note,  when and
as the same shall become due and payable,  which default shall  continue for two
(2) business days after the date fixed for the making of such interest payment;

            (c) a material default in the performance,  or a material breach, of
any of the covenants of Siliconix contained in this Note;

            (d) a material default in the performance,  or a material breach, of
any financial  covenant  contained in any loan agreement  executed by Siliconix,
which  default or breach  shall have  continued  beyond any grace or cure period
provided therein;

            (e) any representation,  warranty or certification made by Siliconix
in or pursuant to this Note, or any  subordination  or  intercreditor  agreement
that  shall  prove to have been false or  misleading  as of the date made in any
material respect; or


                                       -2-

<PAGE>

            (f) the  entry of a decree or order by a court  having  jurisdiction
adjudging  Siliconix a bankrupt or  insolvent,  or approving a petition  seeking
reorganization,  arrangement,  adjustment  or  composition  of or in  respect of
Siliconix under federal bankruptcy law, as now or hereafter constituted,  or any
other applicable  federal or state bankruptcy,  insolvency or other similar law,
and the  continuance  of any such decree or order  unstayed  and in effect for a
period of sixty (60) days; or the  commencement by Siliconix of a voluntary case
under  federal  bankruptcy  law, as now or hereafter  constituted,  or any other
applicable federal or state bankruptcy, insolvency, or other similar law, or the
consent by Siliconix to the institution of bankruptcy or insolvency  proceedings
against  it, or the  filing by  Siliconix  of a  petition  or answer or  consent
seeking  reorganization  or relief  under  federal  bankruptcy  law or any other
applicable  federal or state law, or the consent by  Siliconix  to the filing of
such  petition  or to  the  appointment  of a  receiver,  liquidator,  assignee,
trustee,  sequestrator or similar  official of Siliconix,  or of any substantial
part of the property of  Siliconix,  or the making by Siliconix of an assignment
for the benefit of creditors,  or the admission by Siliconix, in writing, of its
inability  to pay its debts  generally  as they  become  due,  or the  taking of
corporate action by Siliconix in furtherance of any such action.

         5. Remedies Upon Default.

            (a) Subject to Section 7 herein,  upon the  occurrence  of a Default
referred to in Section 4(f), the principal  amount then  outstanding of, and the
accrued interest on, this Note shall  automatically  become  immediately due and
payable without presentment,  demand,  protest or other formalities of any kind,
all of which are hereby expressly waived by Siliconix.  Upon the occurrence of a
Default referred to in Section 4 (other than Section 4(f)),  Vishay by notice in
writing  given to  Siliconix,  may  declare  the entire  principal  amount  then
outstanding  of, and the  accrued  interest  on, this Note to be due and payable
immediately,  and upon any such declaration the same shall become and be due and
payable immediately, without presentation,  demand, protest or other formalities
of any kind, all of which are expressly waived by Siliconix; and

            (b) Vishay may  institute  such  actions  or  proceedings  in law or
equity as it shall  deem  expedient  for the  protection  of its  rights and may
prosecute  and  enforce  its  claims  against  all assets of  Siliconix,  and in
connection with any such action or proceeding  shall be entitled to receive from
Siliconix, payment of the principal amount of this Note plus accrued interest to
the date of payment plus reasonable expenses of collection,  including,  without
limitation, attorneys' and experts' fees and expenses.

         6. Assignment.

         This  Note may be  assigned,  subject  to the  terms  of the  Credit
Agreement  (as  hereinafter  defined),  to a  wholly-owned  subsidiary of Vishay
provided that such  subsidiary  acknowledges in writing and with notice to Agent
(as hereinafter defined) that it is bound by the terms of this Note.


                                      -3-

<PAGE>

         7. Subordination.

            (a) So long as that certain  Long Term  Revolving  Credit  Agreement
dated as of March 2, 1998 (as amended or otherwise  modified  from time to time,
the "Credit Agreement") by and among Vishay, certain financial institutions from
time  to  time  signatory   thereto  (the  "Lenders"),   and  Comerica  Bank  as
Administrative  Agent for the  Lenders  (the  "Agent"),  remains in effect,  and
thereafter  until the  expiration  of all  Letters  of  Credit  (as such term is
defined in the Credit Agreement) and the payment in full of all Indebtedness (as
such term is defined in the Credit  Agreement) and the  performance by Vishay of
all other  obligations  under the Credit  Agreement (i) this Note shall be fully
subordinated  in all  respects  to the  Indebtedness  (as  defined in the Credit
Agreement) of Siliconix, if any, (herein, the "Senior Indebtedness") and (ii) in
the event that  Siliconix  becomes a Guarantor or a Permitted  Borrower (as such
terms are defined in the Credit  Agreement),  upon the occurrence and during the
continuance  of an Event of  Default  (as such  term is  defined  in the  Credit
Agreement),  no  payments  may be made of the  principal  of or interest on this
Note.

            (b)  Siliconix  agrees,  and Vishay by  accepting  this Note agrees,
that: (A) the  obligations  evidenced by this Note are  subordinated in right of
payment,  to the  prior  payment  in full of all the  Senior  Indebtedness;  the
subordination is for the benefit of the holders of the Senior Indebtedness,  and
each holder of Senior Indebtedness whether now outstanding or hereafter created,
incurred,  assumed  or  guaranteed  shall  be  deemed  to have  acquired  Senior
Indebtedness  in reliance upon the covenants  and  provisions  contained in this
Note;  (B) if Siliconix is  prohibited by the terms of this Note from making any
payment of principal, interest or any other sum under or in respect of this Note
when due, and therefore  Siliconix shall fail to pay when due any such sum, such
failure shall not  constitute a default or event of default under and in respect
of this Note (provided that interest shall continue to accrue as provided herein
and be added to  principal  (but shall not itself bear  interest)  as herein set
forth); and (C) no revision to any provision of this Note applicable or relevant
to the  subordination of this Note to the Senior  Indebtedness  shall be made or
become  effective  until  approved  in  writing  by the  holders  of the  Senior
Indebtedness.

            (c)  Upon  any  distribution  (whether  cash,  securities  or  other
property,  by setoff or otherwise) to creditors of Siliconix in a liquidation or
dissolution  of  Siliconix  or  in  a  bankruptcy,  reorganization,  insolvency,
receivership or similar  proceeding  relating to Siliconix or its property:  (A)
holders  of Senior  Indebtedness  shall be  entitled  to  payment in full of all
obligations with respect to the Senior  Indebtedness  (including  interest after
the  commencement  of  any  such  proceeding  at the  rates  specified  for  the
applicable   Senior   Indebtedness)  to  the  date  of  payment  of  the  Senior
Indebtedness  before  Vishay  shall be  entitled  to receive  any payment of any
obligations  with  respect  to this  Note;  and (B) until all  obligations  with
respect to the Senior  Indebtedness  are paid in full, any distribution to which
Vishay would be entitled  under the terms and  conditions  of this Note shall be
made to holders of Senior  Indebtedness as their interests may appear;  provided
however  that  for  the  purposes  of  determining  the  amount  of  Siliconix's
obligations  to Vishay  hereunder,  any  payments by Siliconix to the holders of
Senior  Indebtedness on account of its obligations in respect of this Note shall
be deemed to have been made (without duplication) to Vishay.  Payments of Senior
Indebtedness under this Section 7 shall be considered  payments of principal and
interest, as the case may be, on this Note.


                                      -4-

<PAGE>

            (d) No right of any holder of Senior  Indebtedness  to  enforce  the
subordination  of the  indebtedness  evidenced by this Note shall be impaired by
any act or  failure to act by  Siliconix  or by its  failure to comply  with the
terms and conditions of this Note.

         8. Miscellaneous.

            (a) Any notice or other  communication  required or  permitted to be
given  hereunder  shall be in  writing  and shall be mailed by  certified  mail,
return  receipt  requested,  or by  Federal  Express,  Express  Mail or  similar
overnight  delivery or courier  service or delivered (in person [or by telecopy,
telex or similar telecommunications  equipment]) against receipt to the party to
whom it is to be given,  (i) if to Siliconix,  at its address at 2201 Laurelwood
Road, Santa Clara, California 95054, Attention: David Achterkirchen,  (ii) if to
Vishay, at its address at 63 Lincoln Highway, Malvern,  Pennsylvania 19355-2120,
or (iii) in either case, to such other address as the party shall have furnished
in writing in accordance with the provisions of this Section 8(a). Notice to the
estate of any party shall be sufficient if addressed to the party as provided in
this Section 8(a).  Any notice or other  communication  given by certified  mail
shall be deemed given at the time of certification thereof,  except for a notice
changing a party's  address  which shall be deemed  given at the time of receipt
thereof. Any notice given by other means permitted by this Section 8(a) shall be
deemed given at the time of receipt thereof;

            (b) No course of  dealing  and no delay or  omission  on the part of
Vishay in exercising  any right or remedy shall  operate as a waiver  thereof or
otherwise  prejudice  Vishay's rights,  powers or remedies.  No right,  power or
remedy conferred by this Note upon Vishay shall be exclusive of any other right,
power or remedy  referred  to herein or now or  hereafter  available  at law, in
equity,  by statute or otherwise,  and all such remedies may be exercised singly
or concurrently;

            (c) Subject to Section 7 herein, this Note may be amended, or any of
its  provisions  waived  only by written  consent or  consents  executed  by the
parties hereto;

            (d) This Note shall be governed by and construed in accordance  with
the laws of the State of Michigan, without giving effect to principles governing
conflict of laws; and

            (e) Siliconix irrevocably consents to the jurisdiction of the courts
of the  State of New York and of any  federal  court  located  in such  State in
connection  with any action or  proceeding  arising  out of or  relating to this
Note, any document or instrument  delivered  pursuant to, in connection  with or
simultaneously  with this Note, or a breach of this Note or any such document or
instrument. In any such action or proceeding,  Siliconix waives personal service
of any summons,  complaint or other process and agrees that service  thereof may
be made in  accordance  with Section  8(a).  Within  thirty (30) days after such
service,  or such other time as may be  mutually  agreed  upon in writing by the
attorneys for the parties to such action or proceeding,  Siliconix  shall appear
or answer such summons, complaint, or other process.


                                      -5-

<PAGE>

         IN WITNESS  WHEREOF,  Siliconix has caused this Note to be executed and
dated the day and year first above written.



                                      SILICONIX, INC.



                                      By:  __________________________
                                      Name:
                                      Title:


                                      By:  __________________________
                                      Name:
                                      Title:


                          Allonge for Intercompany Note
        Issued by Siliconix Incorporated to Vishay Intertechnology, Inc.

Pay to the order of Comerica Bank, as  Administrative  Agent,  without recourse,
pursuant to the terms and  conditions  of that certain  Company Stock Pledge and
Security  Agreement by and among Vishay  Intertechnology,  Inc. (the "Company"),
certain other Subsidiaries of the Company,  and Comerica Bank, as Administrative
Agent  for  and  on  behalf  of  the  Lenders  party  to  that  certain   Vishay
Intertechnology,  Inc. Long Term Revolving Credit Agreement dated as of March 2,
1998 (as amended or otherwise  modified from time to time) as such Company Stock
Pledge and Security  Agreement may be amended or otherwise modified from time to
time.


                                              VISHAY INTERTECHNOLOGY, INC.

                                              By:   ___________________________
                                              Name: ___________________________
                                              Title:___________________________




                     REVOLVING INTERCOMPANY PROMISSORY NOTE


US $35,000,000.00                                                   May 26, 1998
                                                              New York, New York


         FOR  VALUE   RECEIVED,   SILICONIX,   INC.   ("Siliconix")  a  Delaware
corporation,  by this  promissory  note  unconditionally  promises to pay to the
order of VISHAY  INTERTECHNOLOGY,  INC. ("Vishay") a Delaware corporation or its
registered   assigns  the  principal  amount  of  THIRTY  FIVE  MILLION  DOLLARS
($35,000,000.00,  the "Revolving  Commitment") or such lesser amount as may then
constitute  the unpaid  aggregate  principal  amount of the Revolving  Loans (as
hereinafter  defined)  made by Vishay to Siliconix  pursuant to the terms hereof
and to pay interest on the unpaid balance hereof at Vishay's  Borrowing Rate (as
defined  below) on the 1st day of each of  January,  April,  July and October of
each year commencing July 1, 1998 and on the Maturity Date (each such date being
an Interest Payment Date) all as hereafter further provided.



<PAGE>


         1. Making of Loans

            (a) Subject to the terms hereof and at any time from the date hereof
to the Maturity  Date,  Vishay agrees at any time and from time to time, to make
one or more revolving loans (the "Revolving Loans") to Siliconix in an aggregate
principal  amount not to exceed the  Revolving  Commitment,  during  such period
Siliconix may borrow, prepay and reborrow Revolving Loans.

            (b)  Siliconix  shall give Vishay one  business  day's notice to its
Director,  Corporate  Treasury  of its  intention  to borrow a  Revolving  Loan,
stating the amount of such  borrowing  and the date on which such  borrowing  is
required.  Vishay shall make such  Revolving  Loan available to Siliconix at the
account and on the date specified by Siliconix.

            (c)  The  Revolving  Commitment  shall  be  deemed  to  include  the
$10,000,000 previously loaned to Siliconix by Vishay pursuant to two prior loans
of $5,000,000  each and upon  execution and delivery of this Note the promissory
notes dated 13th day of April,  1998 and the loan made to  Siliconix  on May 26,
1998 shall each be deemed paid in full and such  promissory note and any similar
paper reflecting such loans shall have no further force or effect.

<PAGE>

         2. Payments.

            (a) Principal of, and any accrued and unpaid  interest on, this Note
shall be due and  payable  in full on the date to occur of May 31,  2000 or such
later date as may be agreed in  writing by the  parties  hereto  (the  "Maturity
Date") and notified to the Agent (as hereinafter defined);

            (b) interest on this Note shall accrue from the date hereof, to, but
excluding,  the next Interest  Payment Date,  and shall be payable in arrears on
each Interest Payment Date. Interest not paid when due shall accrue and be added
to principal on each subsequent interest payment date.

            (c) if any Interest  Payment Date or the Maturity Date would fall on
a day that is not a Business  Day (as  defined  below),  the payment due on such
Interest  Payment  Date or  Maturity  Date  will be made on the next  succeeding
Business Day with the same force and effect as if made on the  Interest  Payment
Date or the  Maturity  Date,  as the case may be.  "Business  Day" means any day
which is not a Saturday or Sunday and is not a day on which banking institutions
are generally authorized or obligated to close in the City of New York;

            (d) the  Borrower  may prepay all or any  portion of this Note.  All
payments  on this Note shall be applied  first to accrued  interest on this Note
and then to the balance of principal on this Note;

            (e) payments of principal and interest on this Note shall be made in
U.S. dollars by electronic Funds transfer to Vishay's bank account #1076-000-734
at  Comerica  Bank,  Detroit,  Michigan  or such  other  account  as Vishay  may
designate.

            (f) the  obligations to make the payments  provided for in this Note
are  absolute  and  unconditional  and  not  subject  to any  defense,  set-off,
counterclaim,  rescission, recoupment or adjustment whatsoever. Siliconix hereby
expressly  waives demand and  presentment  for payment,  notice of  non-payment,
notice of  dishonor,  protest,  notice of protest  and  diligence  in taking any
action to collect any amount  called for  hereunder,  and shall be directly  and
primarily  liable  for the  payment  of all sums  owing and to be owing  hereon,
regardless of and without any notice, diligence, act or omission with respect to
the collection of any amount called for hereunder; and

            (g) for the  purposes of this Note,  Vishay's  Borrowing  Rate shall
mean the interest rate payable by Vishay to the Lenders (as hereinafter defined)
on its borrowings, as such rate may vary from time to time.

         3. Ranking of Note. Subject to Section 8 herein Siliconix,  for itself,
its  successors  and  assigns,  covenants  and  agrees  that the  payment of the
principal  of and  interest  on this Note is pari passu with the  payment of all
existing and future debt of Siliconix.

         4. Covenants.  Siliconix covenants and agrees with Vishay that, so long
as any  amount  remains  unpaid on this Note,  unless  the  consent of Vishay is
obtained,  Siliconix shall not create,  incur, or suffer to exist any other debt
except in cases (i) where the holders of such other debt have duly  executed any
and  all  subordination   agreements  or  intercreditor   


                                      -2-
<PAGE>

agreements  reasonably acceptable to Vishay, and (ii) trade debt incurred in the
ordinary course of business.

         5. Events of Default.

         The  occurrence  of any of the  following  events  shall  constitute  a
default (a "Default"):

            (a) a default in the payment of the principal on this Note, when and
as the same shall become due and payable;

            (b) a default in the payment of any interest on this Note,  when and
as the same shall become due and payable,  which default shall  continue for two
(2) business days after the date fixed for the making of such interest payment;

            (c) a material default in the performance,  or a material breach, of
any of the covenants of Siliconix contained in this Note;

            (d) a material default in the performance,  or a material breach, of
any financial  covenant  contained in any loan agreement  executed by Siliconix,
which  default or breach  shall have  continued  beyond any grace or cure period
provided therein;

            (e) any representation,  warranty or certification made by Siliconix
in or pursuant to this Note, or any  subordination  or  intercreditor  agreement
shall prove to have been false or misleading as of the date made in any material
respect; or

            (f) the  entry of a decree or order by a court  having  jurisdiction
adjudging  Siliconix a bankrupt or  insolvent,  or approving a petition  seeking
reorganization,  arrangement,  adjustment  or  composition  of or in  respect of
Siliconix under federal bankruptcy law, as now or hereafter constituted,  or any
other applicable  federal or state bankruptcy,  insolvency or other similar law,
and the  continuance  of any such decree or order  unstayed  and in effect for a
period of sixty (60) days; or the  commencement by Siliconix of a voluntary case
under  federal  bankruptcy  law, as now or hereafter  constituted,  or any other
applicable federal or state bankruptcy, insolvency, or other similar law, or the
consent by Siliconix to the institution of bankruptcy or insolvency  proceedings
against  it, or the  filing by  Siliconix  of a  petition  or answer or  consent
seeking  reorganization  or relief  under  federal  bankruptcy  law or any other
applicable  federal or state law, or the consent by  Siliconix  to the filing of
such  petition  or to  the  appointment  of a  receiver,  liquidator,  assignee,
trustee,  sequestrator or similar  official of Siliconix,  or of any substantial
part of the property of  Siliconix,  or the making by Siliconix of an assignment
for the benefit of creditors,  or the admission by Siliconix, in writing, of its
inability  to pay its debts  generally  as they  become  due,  or the  taking of
corporate action by Siliconix in furtherance of any such action.


                                      -3-

<PAGE>

         6. Remedies Upon Default.

            (a)  Subject to Section 8 herein  upon the  occurrence  of a Default
referred to in Section 5(f), the principal  amount then  outstanding of, and the
accrued interest on, this Note shall  automatically  become  immediately due and
payable without presentment,  demand,  protest or other formalities of any kind,
all of which are hereby expressly waived by Siliconix.  Upon the occurrence of a
Default referred to in Section 5 (other than Section 5(f)),  Vishay by notice in
writing  given to  Siliconix,  may  declare  the entire  principal  amount  then
outstanding  of, and the  accrued  interest  on, this Note to be due and payable
immediately,  and upon any such declaration the same shall become and be due and
payable immediately, without presentation,  demand, protest or other formalities
of any kind, all of which are expressly waived by Siliconix; and

            (b) Vishay may  institute  such  actions  or  proceedings  in law or
equity as it shall  deem  expedient  for the  protection  of its  rights and may
prosecute  and  enforce  its  claims  against  all assets of  Siliconix,  and in
connection with any such action or proceeding  shall be entitled to receive from
Siliconix, payment of the principal amount of this Note plus accrued interest to
the date of payment plus reasonable expenses of collection,  including,  without
limitation, attorneys' and experts' fees and expenses.

         7. Assignment.

         This Note may be assigned, subject to the terms of the Credit Agreement
(as hereinafter defined),  to a wholly-owned  subsidiary of Vishay provided that
such subsidiary acknowledges in writing and with notice to Agent (as hereinafter
defined) that it is bound by the terms of this Note.

         8. Subordination.

            (a) So long as that certain  Long Term  Revolving  Credit  Agreement
dated as of March 2, 1998 (as amended or otherwise  modified  from time to time,
the "Credit Agreement") by and among Vishay, certain financial institutions from
time  to  time  signatory   thereto  (the  "Lenders"),   and  Comerica  Bank  as
Administrative  Agent for the  Lenders  (the  "Agent"),  remains in effect,  and
thereafter  until the  expiration  of all  Letters  of  Credit  (as such term is
defined in the Credit Agreement) and the payment in full of all Indebtedness (as
such term is defined in the Credit  Agreement) and the  performance by Vishay of
all other  obligations  under the Credit  Agreement (i) this Note shall be fully
subordinated  in all  respects  to the  Indebtedness  (as  defined in the Credit
Agreement) of Siliconix, if any, (herein, the "Senior Indebtedness") and (ii) in
the event that  Siliconix  becomes a Guarantor or a Permitted  Borrower (as such
terms are defined in the Credit  Agreement),  upon the occurrence and during the
continuance  of an Event of  Default  (as such  term is  defined  in the  Credit
Agreement),  no  payments  may be made of the  principal  of or interest on this
Note.

            (b)  Siliconix  agrees,  and Vishay by  accepting  this Note agrees,
that: (A) the  obligations  evidenced by this Note are  subordinated in right of
payment,  to the  prior  payment  in full of all the  Senior  Indebtedness;  the
subordination is for the benefit of the holders of the Senior Indebtedness,  and
each holder of Senior Indebtedness whether now outstanding or hereafter created,
incurred,  assumed  or  guaranteed  shall  be  deemed  to have  


                                      -4-

<PAGE>

acquired  Senior  Indebtedness  in reliance upon the  covenants  and  provisions
contained in this Note; (B) if Siliconix is prohibited by the terms of this Note
from  making any  payment of  principal,  interest  or any other sum under or in
respect of this Note when due, and  therefore  Siliconix  shall fail to pay when
due any such sum,  such  failure  shall  not  constitute  a default  or event of
default under and in respect of this Note (provided that interest shall continue
to accrue as  provided  herein and be added to  principal  (but shall not itself
bear  interest)  as herein set forth);  and (C) no revision to any  provision of
this Note applicable or relevant to the subordination of this Note to the Senior
Indebtedness  shall be made or become effective until approved in writing by the
holders of the Senior Indebtedness.

            (c)  Upon  any  distribution  (whether  cash,  securities  or  other
property,  by setoff or otherwise) to creditors of Siliconix in a liquidation or
dissolution  of  Siliconix  or  in  a  bankruptcy,  reorganization,  insolvency,
receivership or similar  proceeding  relating to Siliconix or its property:  (A)
holders  of Senior  Indebtedness  shall be  entitled  to  payment in full of all
obligations with respect to the Senior  Indebtedness  (including  interest after
the  commencement  of  any  such  proceeding  at the  rates  specified  for  the
applicable   Senior   Indebtedness)  to  the  date  of  payment  of  the  Senior
Indebtedness  before  Vishay  shall be  entitled  to receive  any payment of any
obligations  with  respect  to this  Note;  and (B) until all  obligations  with
respect to the Senior  Indebtedness  are paid in full, any distribution to which
Vishay would be entitled  under the terms and  conditions  of this Note shall be
made to holders of Senior  Indebtedness as their interests may appear;  provided
however  that  for  the  purposes  of  determining  the  amount  of  Siliconix's
obligations  to Vishay  hereunder,  any  payments by Siliconix to the holders of
Senior  Indebtedness on account of its obligations in respect of this Note shall
be deemed to have been made (without duplication) to Vishay.  Payments of Senior
Indebtedness under this Section 8 shall be considered  payments of principal and
interest, as the case may be, on this Note.

            (d) No right of any holder of Senior  Indebtedness  to  enforce  the
subordination  of the  indebtedness  evidenced by this Note shall be impaired by
any act or  failure to act by  Siliconix  or by its  failure to comply  with the
terms and conditions of this Note.

         9. Miscellaneous.

            (a) Any notice or other  communication  required or  permitted to be
given  hereunder  shall be in  writing  and shall be mailed by  certified  mail,
return  receipt  requested,  or by  Federal  Express,  Express  Mail or  similar
overnight  delivery or courier  service or delivered  (in person or by telecopy,
telex or similar  telecommunications  equipment) against receipt to the party to
whom it is to be given,  (i) if to Siliconix,  at its address at 2201 Laurelwood
Road, Santa Clara, California 95054, Attention: David Achterkirchen,  (ii) if to
Vishay, at its address at 63 Lincoln Highway, Malvern,  Pennsylvania 19355-2120,
Attention:  Steven  Klausner,  Director-Corporate  Treasury,  or (iii) in either
case,  to such other  address as the party  shall have  furnished  in writing in
accordance with the provisions of this Section 9(a). Notice to the estate of any
party shall be  sufficient if addressed to the party as provided in this Section
9(a). Any notice or other  communication given by certified mail shall be deemed
given at the time of  certification  thereof,  except  for a notice  changing  a
party's address which shall be deemed given at the time of receipt thereof.  Any
notice given by other means permitted by this Section 7(a) shall be deemed given
at the time of receipt thereof;


                                      -5-

<PAGE>

            (b) No course of  dealing  and no delay or  omission  on the part of
Vishay in exercising  any right or remedy shall  operate as a waiver  thereof or
otherwise  prejudice  Vishay's rights,  powers or remedies.  No right,  power or
remedy conferred by this Note upon Vishay shall be exclusive of any other right,
power or remedy  referred  to herein or now or  hereafter  available  at law, in
equity,  by statute or otherwise,  and all such remedies may be exercised singly
or concurrently;

            (c) Subject to Section 8 herein, this Note may be amended, or any of
its  provisions  waived  only by written  consent or  consents  executed  by the
parties hereto;

            (d) This Note shall be governed by and construed in accordance  with
the laws of the State of Michigan, without giving effect to principles governing
conflict of laws; and

            (e) Siliconix irrevocably consents to the jurisdiction of the courts
of the  State of New York and of any  federal  court  located  in such  State in
connection  with any action or  proceeding  arising  out of or  relating to this
Note, any document or instrument  delivered  pursuant to, in connection  with or
simultaneously  with this Note, or a breach of this Note or any such document or
instrument. In any such action or proceeding,  Siliconix waives personal service
of any summons,  complaint or other process and agrees that service  thereof may
be made in  accordance  with Section  9(a).  Within  thirty (30) days after such
service,  or such other time as may be  mutually  agreed  upon in writing by the
attorneys for the parties to such action or proceeding,  Siliconix  shall appear
or answer such summons, complaint, or other process.


                                      -6-

<PAGE>

         IN WITNESS  WHEREOF,  Siliconix has caused this Note to be executed and
dated the day and year first above written.

                                      SILICONIX, INC.


                                      By:   /s/King Owyang
                                            -------------------------
                                      Name: King Owyang
                                      Title:   President & CEO


                                       By: /s/David Achterkirchen    
                                           ------------------------- 
                                       Name: David Achterkirchen
                                       Title:  Secretary


               Allonge for Revolving Intercompany Promissory Note
        Issued by Siliconix Incorporated to Vishay Intertechnology, Inc.

Pay to the order of Comerica Bank, as  Administrative  Agent,  without recourse,
pursuant to the terms and  conditions  of that certain  Company Stock Pledge and
Security  Agreement by and among Vishay  Intertechnology,  Inc. (the "Company"),
certain other Subsidiaries of the Company,  and Comerica Bank, as Administrative
Agent  for  and  on  behalf  of  the  Lenders  party  to  that  certain   Vishay
Intertechnology,  Inc. Long Term Revolving Credit Agreement dated as of March 2,
1998 (as amended or otherwise  modified from time to time) as such Company Stock
Pledge and Security  Agreement may be amended or otherwise modified from time to
time.


                                              VISHAY INTERTECHNOLOGY, INC.


                                              By:   ___________________________
                                              Name: ___________________________
                                              Title: __________________________


                                      -7-



<TABLE>
<CAPTION>
EXHIBIT 13                                                                          Financial Highlights


(In thousands, except per share and employment data)                        1998               1997               1996
<S>                                                                         <C>                 <C>              <C>

Net Sales                                                      $         282,346  $         321,551  $         268,934

Gross Profit                                                   $          98,016  $         127,115  $         107,109

Research and development expense                               $          17,110  $          17,813  $          20,823

Selling, marketing, and administrative expenses                $          55,451  $          65,322  $          54,475

Restructuring Expense                                          $          19,751  $               -  $               -

Interest expense                                               $           2,795  $           2,383  $           2,390

Other (income) expense, net                                    $           1,658  $              78  $           (335)

Income before income taxes and minority interest               $             908  $          41,519  $          29,756

Income taxes                                                   $               -  $           8,507  $           3,779

Minority interest in income of consolidated subsidiary         $             170  $               -  $               -

Net income                                                     $             738  $          33,012  $          25,977

Net income per share (basic and diluted)                       $            0.07  $            3.31  $            2.61

Total assets                                                   $         317,259  $         281,509  $         238,669

Shareholders' equity                                           $         150,140  $         149,550  $         116,618

Year-end worldwide employment                                              1,642              1,266              1,228
</TABLE>



<PAGE>

<TABLE>
<CAPTION>
Five-Year Summary of Financial Data
Siliconix, incorporated
(In thousands, except per share and employment data)        1998 (1)         1997           1996          1995             1994
<S>                                                         <C>              <C>               <C>          <C>              <C>
Net sales                                            $    282,346     $    321,551  $     268,934  $    250,291   $      196,453

Operating income                                     $      5,361     $     43,980  $      31,811  $     28,839   $       14,148

Net income                                           $        738     $     33,012  $      25,977  $     24,221   $       10,623
                                                             
Per share data:

     Net income (basic and diluted)                  $       0.07     $       3.31  $        2.61  $       2.43   $         1.07
                                                                          
Shares used to compute basic and diluted
     net income per share                                   9,960            9,960          9,960         9,960            9,960

Total assets                                         $    317,259     $    281,509  $     238,669  $    207,962   $      155,035

Capital expenditures                                 $     35,593     $     40,244  $      39,511  $     28,196   $       25,030

Total long-term debt, including related party        $     51,791     $     38,457  $      39,429  $     40,652   $       40,834

Year-end worldwide employment                               1,642            1,266          1,228         1,269            1,172
</TABLE>

(1) Included in operating  income for 1998 is a restructuring  charge of $19,751
relating  to the  acquisition  on March 2,  1998 of the  80.4%  interest  in the
Company by Vishay, (see Note 12 of Notes to Consolidated Financial statements).


<PAGE>

<TABLE>
<CAPTION>
Selected Quarterly Financial Data
Unaudited
(In thousands, except per share data)                               1998                         
                                                                                      (1)
                                                 Fourth      Third     Second       First        
<S>                                               <C>          <C>       <C>        <C>          
Net sales                                      $ 76,607   $ 70,118   $ 70,371     $65,250       

Gross profit                                   $ 26,822   $ 24,992   $ 21,091     $25,111       

Net income (loss)                              $  6,431   $  3,879   $  1,780     $(11,352)        

Net income (loss) per share (basic and         $   0.65   $   0.39   $   0.18     $ (1.14)        
diluted)

                                                                    1997

                                                  Fourth      Third     Second      First

Net sales                                       $ 90,355   $ 80,960   $ 80,024   $ 70,212

Gross profit                                    $ 37,698   $ 32,112   $ 30,209   $ 27,096

Net income (loss)                               $  9,665   $  8,374   $  8,033   $  6,940

Net income (loss) per share (basic and          $   0.97   $   0.84   $   0.81   $   0.70
diluted)

</TABLE>

(1) Included in operating  income for 1998 is a restructuring  charge of $19,751
relating  to the  acquisition  on March 2,  1998 of the  80.4%  interest  in the
Company by Vishay, (see Note 12 of Notes to Consolidated Financial statements).

<PAGE>


Management's  Discussion  &  Analysis  of  Financial  Condition  and  Results of
Operations

     The  statements in this  management's  discussion and analysis of financial
condition  and  results  of  operations   that  are  forward   looking   reflect
management's current opinions and are subject to certain risks and uncertainties
that could  cause  actual  results  to differ  materially  from those  stated or
implied.   Siliconix,   incorporated  assumes  no  obligations  to  update  this
information.

Overview

     Siliconix  (the  "Company")  is engaged in  designing,  manufacturing,  and
marketing  power and analog  semiconductor  products.  The  Company is a leading
manufacturer of Power MOSFETs,  Power ICs, and analog Signal Processing  devices
for computers, cell phones, fixed communication networks,  automobiles and other
electronic systems.  Power MOSFET is the producer of low-voltage,  surface-mount
Power  MOSFET  products  primarily  used for the  communication,  computer,  and
automotive  markets.  Power IC  focuses  on Power  Integrated  Circuits  used in
communication and data storage  applications.  Signal Processing  manufactures a
wide array of commodity products such as Analog Switches, Low Power MOSFETs, and
JFETs for industrial and consumer markets.

     The Company  manufactures  power  products in Class 1 six-inch wafer fab in
Santa Clara,  California and through subcontracted wafer fabrication in Itzehoe,
Germany.  Analog  switches and  multiplexers  are  fabricated  in the  Company's
four-inch wafer fab in Santa Clara. Small signal transistors are manufactured by
a subcontractor in Beijing,  China. Assembly and test facilities include Company
owned  facilities  in  Taiwan,  a  facility  in  Shanghai,  China,  as  well  as
subcontractors in the Philippines, Taiwan and China.

     On April 1, 1998,  Vishay  acquired  for  $16,000,000,  a 40%  interest  in
Simconix, a back-end  manufacturing  facility in Shanghai,  China. This interest
was sold to the Company,  in exchange for $16,000,000 of long-term debt at 6.25%
interest.  The Company had a 50%  interest  in  Simconix  dating from 1993.  The
Company previously reported its interest in the Simconix joint venture under the
equity method of accounting and recognized  $970,000,  $3,542,000 and $2,188,000
as its share of profits for the first three months of 1998, and for 12 months in
1997 and 1996,  respectively.  In  addition,  at  December  31, 1997 the Company
recorded the  investment in the joint venture for  $10,888,000  in other assets.
The acquisition is now recorded using the purchase method of accounting, and the
operating  results  of  Simconix  are  included  in the  consolidated  financial
statements  as of April  1,  1998.  As a result  of the  purchase,  the  Company
recorded  property,  plant and equipment of approximately  $15,522,000,  and net
other assets and  liabilities  of  approximately  7,031,000.  In  addition,  the
Company  recorded  goodwill of $9,163,000.  The goodwill is being amortized on a
straight-line  basis  over 20  years.  The 10%  minority  interest  is  fixed at
$3,000,000 with a fixed return on the investment.  Year-end worldwide employment
of 1,642 includes 539 employees from Simconix.

     The Company had been a member of TEMIC Semiconductor a unit of Daimler-Benz
microelectronics  consortium for the past several years. On March 2, 1998 Vishay
acquired the 80.4% interest in the Company's  common stock  previously  owned by
Daimler Benz.

     Vishay,  a  Fortune  1000  Company,   is  the  largest  U.S.  and  European
manufacturer  of  passive  electronic  components  (resistors,  capacitors,  and
inductors) and a leading producer of discrete semiconductor  components (diodes,
transistors and optoelectronic  products).  All of these components are vital to
the operation of electronic circuits and can be found in computers,  telephones,
TVs, automobiles,  household appliances, medical equipment, satellites, military
and aerospace  equipment.  With  headquarters in Malvern,  Pennsylvania,  Vishay
employs over 20,000 people in over 60 facilities in the U.S.,  Mexico,  Germany,
Austria,  the United Kingdom,  France,  Portugal,  the Czech  Republic,  Israel,
Japan, Taiwan (R.O.C.), China, and the Philippines.


<PAGE>

Results of Operations

Net Sales
     Net sales for 1998 were $282.3  million  compared to $321.6 million in 1997
and $268.9  million in 1996.  The decline over 1997 of 12% was  primarily due to
weaker demand combined with abundant  worldwide  capacities  which resulted in a
significant selling price decline. This trend began during the end of the fourth
quarter of 1997, and persisted  through most of 1998.  Management  believes that
the major  reasons for the 1998  decline in overall  sales were  initially  high
inventory levels of its products at its customers and distributors,  followed by
an overall worldwide decline in demand for semiconductors. This was triggered by
an increasingly  weak economy in Asia Pacific  especially  Korea and Japan.  The
reduced  demand for portable  phones,  notebooks and desktop  computers in these
regions  was a primary  reason  for the lower than  anticipated  demand in 1998.
Furthermore,  overcapacities (particularly in the DRAM industry) lead additional
competitors into the manufacturing of discrete power devices. This combined with
the  movement  of end users to sub-  $1,000 PCs  caused  average  selling  price
reductions in excess of 20%,  significantly  higher than those of 1997 and 1996.
During the fourth  quarter of 1998,  the Company began to experience an increase
in bookings that also  reflected an increase in net sales over the third quarter
of 1998.
Management expects this trend to continue as the Company moves into 1999.

     Net sales in Asia Pacific  increased  32% and 96% in 1998  compared to 1997
and 1996,  respectively.  Net sales in North America, Japan and Europe decreased
in 1998 over 1997 by 30%, 41% and 20%, respectively.  Compared to 1996 net sales
in 1998  decreased in North  America by 11%,  Japan by 61% while sales in Europe
remained  flat.  The increase in sales in Asia  Pacific  further  resulted  from
manufacturing  transfers  of the  Company's  OEM's into this region as well as a
strong growth of contract  manufacturing in Taiwan. The decline in North America
was a result  of  significantly  reduced  demand in the  Company's  distribution
channels as well as the aforementioned transfer of manufacturing.  As it relates
to Japan,  the  overall  lower  unit  demand  combined  with a weak Yen and very
aggressive  domestic  competition led to a strong decline in sales over 1997. In
Europe sales  declined  primarily due to a reduced demand in portable GSM phones
driven by lower exports into the Asian markets.

Gross Profit
     Gross profit as a percentage  of net sales was 35% in 1998  compared to 40%
in 1997 and 1996. This decrease is a result of the  substantial  price pressures
worldwide,  especially  in  Japan,  along  with  under-utilization  of  existing
manufacturing  capacity  due  to  the  decline  in  demand.  After  experiencing
significant  front-end  manufacturing  capacity  shortages  during  1997  and  a
continuous  strong  backlog,  the Company  executed its  strategy of  increasing
capacity.  This strategy  included an increase in capacity of the existing Santa
Clara  six-inch  fab as well as the  start up of a  subcontracted  manufacturing
facility  in  Itzehoe,   Germany.  This  additional  capacity  and  its  related
manufacturing  fixed cost became  available  just as the  worldwide  slowdown in
semiconductor  demand impacted the Company.  While the Company continued to load
production in the first quarter of 1998,  it decided to adjust  factory  loading
with the  beginning of the second  quarter in response to the decline in product
demand. In parallel, the Company implemented its restructuring plan set forth at
the end of the first  quarter of 1998.  In addition,  the Company  scheduled and
executed  multiple  shutdowns in its Santa Clara and offshore  facilities.  As a
result, the Company was able to keep 1998 fixed  manufacturing  costs below 1997
levels even though  depreciation  expense increased by $5.9 million.  During the
fourth  quarter of 1998 the Company began to ramp its  production in response to
the  increasing  demand for its  products.  In addition,  the Company  increased
capital spending toward the end of 1998 to provide further capacity increases in
wafer  fabrication,   assembly  and  test.  The  Company  has  experienced  full
utilization of these capacities during the first quarter of 1999.



<PAGE>

Research and Development
     Research and  development  expenses were 6.1% of net sales in 1998 compared
with  5.5% of net  sales  in 1997 and 7.7% in  1996.  Research  and  development
spending decreased by $3.7 million between 1998 and 1996.  However,  faster time
to market due to increased  throughput  of research and  development  wafers and
improved product design cycles allowed the Company to release 68 new products in
1998  compared to 55 in 1997 and 52 in 1996.  The Company  continued to focus on
its key market segments and  applications by introducing its new  PowerConnectTM
packaging  technology,  which significantly  reduces on-resistance and increases
current-handling capability compared to traditional packaging technologies. Also
introduced  in 1998 were the  Company's  first  products  in its new LITTLE FOOT
PLUS(TM) family.  These are a combination of a power MOSFET and a Schottky diode
that are optimized for specific  applications in notebook computers and cellular
telephones.  Furthermore,  the Company  introduced  the  industry's  first power
MOSFET  rated at 1.8 volts,  also for notebook  computer and cellular  telephone
applications.  Other new products include a new family of 200-volt rated MOSFETs
for  the   wired   telecommunications   market,   a  family   of   electrostatic
discharge-protected  MOSFETs to target the  lithium ion  battery  market,  and a
Super SOT-23  packaged  product line to include voltage ratings from eight volts
(telecommunications and computers) to 60 volts (automotive).

Selling, Marketing, and Administrating
     Selling,  marketing,  and  administrating  expenses  were  reduced to $55.5
million in 1998 from $65.3 million for 1997.  This $9.8 million  decrease is due
to cost reduction  programs  implemented  in the first quarter of 1998.  Even in
light of lower revenues,  these expenses  declined to 19.6% of net sales in 1998
from 20.3% of net sales in 1997, reflecting the successful implementation of the
Company's restructuring plan.

Restructuring
         The Company  incurred a pre-tax  restructuring  charge of $19.8 million
relating  to the  acquisition  on March 2,  1998 of the  80.4%  interest  in the
Company by Vishay. Of the total, approximately $12.6 million related to employee
termination  costs covering  seven key executives and 72 technical,  production,
and administrative  employees.  The remaining $7.2 million restructuring  charge
relates to  provisions  for certain  assets,  contract  cancellations, and other
expenses.  As of December 31, 1998, 75 employees  have been  terminated  and the
Company settled $9.7 million in costs, of which, $7.8 million were paid and $1.9
million were written off. In addition, $4.7 million has been charged against the
restructuring liability for the write-down of certain assets and other expenses.
At December 31, 1998,  restructuring  charge of $5.4  million  remains  accrued,
primarily  relating to employee  termination  costs and contract  cancellations.
Future cash  payments are expected to  approximate  $5.4 million and the Company
anticipates that it will substantially  complete its restructuring by the end of
1999.


<PAGE>

Interest Expense
     Interest  expense for 1998  increased by 17% compared to 1997 primarily due
to additional  loans from Vishay used to fund the  acquisition of the additional
40% interest in the Simconix joint venture and to  temporarily  fund part of the
restructuring charge. Interest expense remained flat in 1997 compared to 1996.

Other Income/Expense
     Other  Income/expense  increased by $1.6 million between 1998 and 1997. The
primary reason for this increase is the consolidation of Simconix in 1998.

Income Tax Expense
     Income tax  expense  for 1998  decreased  $8.5  million  over 1997 and $3.8
million over 1996 due to the decrease of earnings before taxes.

Financial Condition, Liquidity, and Capital Resources
     As of December  31,  1998 the  Company  had $37.7  million in cash and cash
equivalents,  compared  with  $18.8  million  in cash and cash  equivalents  and
short-term investments with an affiliate at December 31, 1997. The consolidation
of  Simconix  accounted  for  $6.9  million  of the  increase  in cash  and cash
equivalents  in 1998  compared to the previous  year.  During 1998,  the Company
borrowed $30.3 million from Vishay to fund a portion of the restructuring charge
as well as the  acquisition  of an  additional  40%  interest in  Simconix.  The
Company  repaid $14.3  million of the $30.3 million debt in the third and fourth
quarters of 1998.  The Company has a revolving  credit  facility  with Vishay of
$35.0 million available,  which is due to expire in May 2000. As of December 31,
1998 there were no borrowings against this credit facility.

     Net cash provided by operating  activities was approximately  $56.3 million
in 1998, compared to $40.7 million in 1997. Accounts receivables decreased $22.6
million  as a  result  of lower  revenues  and  improved  asset  management.  In
addition, net affiliate payables decreased $16.2 million compared to 1997 mainly
due to timing of cash payments to unconsolidated affiliates.

     Net cash  used in  investing  activities  was  $25.5  million  during  1998
compared to $41.3 million in 1997.  Capital  expenditures  were $35.6 million in
1998 compared to $40.2 million in 1997, primarily related to additions for plant
capacity expansion, new technology, and regulatory compliance.  Capital spending
in 1999 is expected to exceed the 1998 level. The short-term  investment with an
affiliate  was  terminated  in 1998 and  there  was no  outstanding  balance  at
December 31, 1998.

     Net  cash  used in  financing  activities  includes  the  repayment  of the
floating rate notes (see Note 6 of Notes to Consolidated Financial Statements).

     Inventories  increased $7.1 million or 16.7% over 1997 primarily due to the
addition of manufacturing  capacity and the increased wafer starts in the fourth
quarter of 1998.

     Other current assets decreased $2.7 million or 24% over 1997 primarily as a
result of the write off of  certain  assets in  conjunction  with the  Company's
restructuring charge.

     Other assets  decreased $13.9 million  primarily due to the purchase of the
additional  40%  interest  in  Simconix,  which is no  longer  recognized  as an
investment  under the equity method of  accounting  and is  consolidated  in the
Company's financial  statements ( see Note 3 of Notes to Consolidated  Financial
Statements).

     Although  the  Company has  available  cash and cash  equivalents  of $37.7
million at the end of 1998, cash and cash equivalents will decrease in the first
quarter  of 1999  due to  payments  to  affiliates  as  well as to fund  capital
expenditures,  


<PAGE>

royalty  payments,  commissions,  and yearly  management  and employee  bonuses.
Management  expects that 1999 cash flows from  operations  and existing lines of
credit with Vishay will be sufficient to meet its normal operating  requirements
and to fund its research and development and capital  expenditures.  The Company
repaid the entire principal amount of the $16,000,000  promissory note to Vishay
during the first quarter of 1999.

Recent Accounting Pronouncements
     As of January 1, 1998,  the Company  adopted  the  Statement  of  Financial
Accounting Standard ("SFAS") No. 130, "Reporting Comprehensive Income." SFAS No.
130 establishes new rules for the reporting and display of comprehensive  income
and its  components;  however,  adoption of this  statement had no impact on the
Company's  net income or  shareholders'  equity.  SFAS No. 130 requires  foreign
currency translation  adjustments to be included in other comprehensive  income.
Prior to adoption,  foreign currency translation  adjustments were reported as a
separate component of shareholders' equity.

     The Company adopted SFAS No. 131,  "Disclosures about Segments of an
Enterprise  and Related  Information"  in 1998.  SFAS No. 131 replaces  previous
related disclosure  requirements.  SFAS No. 131 requires disclosure by operating
segment of information such as profit and loss, assets and capital expenditures,
major customers and types of products from which revenues are derived.  SFAS No.
131  requires  interim  reporting  effective  in 1999  (see  Note 7 of  Notes to
Consolidated Financial Statements).

     The Company adopted SFAS No. 132, "Employers' Disclosure about Pensions and
Other Postretirement  Benefits". SFAS No. 132 does not change the measurement or
recognition of such plans, but does standardize the disclosure  requirements for
pensions and other postretirement  benefits to the extent practicable.  SFAS No.
132 also requires disclosure of additional  information about changes in benefit
obligations  and  fair  value  of plan  assets,  and  eliminates  certain  other
disclosures that were previously required.

     In June 1998,  the FASB released SFAS No. 133,  "Accounting  for Derivative
Instruments  and Hedging  Activities."  SFAS No. 133  establishes  new standards
accounting and reporting for derivative instruments and hedging activities. SFAS
No. 133 requires that an entity  recognize all  derivatives  as either assets or
liabilities in the statement of financial position and measure those instruments
at fair value.  The  statement  is effective  for all fiscal  quarters of fiscal
years  beginning  after June 15,  1999.  The  Company is still in the process of
assessing the impact that SFAS No. 133 will have on its financial statements.

Certain Factors
     The  Company  has in the past and may in the future  make  forward  looking
statements.  These  statements might be expressed by using words like estimates,
assumes,  expects,  anticipates and are subject to risks and uncertainties  that
could cause actual results to differ materially from those predicted. Such risks
and uncertainties include, but are not limited to, the following:

Technological Change and Competition
     The  markets  for the  Company's  products  are  characterized  by  rapidly
changing technology,  frequent new product introductions,  and declining average
selling prices over product life cycles.  The Company's future success is highly
dependent  upon the  timely  completion  and  introduction  of new  products  at
competitive  prices and  performance  levels,  and upon having them selected for
design into  products of leading  manufacturers.  In addition,  the Company must
respond to competitors in the Company's  markets.  If the Company is not able to
make  timely   introduction  of  new  products  or  to  respond  effectively  to
competition, its business and operating results could be adversely affected.

Variable Demand
     The  semiconductor  industry has historically  been highly cyclical and has
been  subject  to  significant   downturns  at  various  times  that  have  been
characterized  by diminished  product  demand.  Reduced demand for the Company's
products or capacity could have an adverse effect on the Company's  business and
operating results.


<PAGE>

     The Company is  committed  to pay for  operating  costs,  at a  subcontract
manufacturing location in Itzehoe,  Germany,  regardless of the extent of actual
manufacturing output, until December 31, 2007.

Political and Economic Considerations
     In recent years, a large and increasing portion of the Company's net sales,
operating  profits,  manufacturing  production,  and  growth  have come from its
international operations. As a result, the Company's business activities and its
results could be significantly  affected by the policies of foreign  governments
and prevailing political, social, and economic conditions.

Dependence on key suppliers.
     The  Company  uses  numerous  suppliers  to supply  raw  materials  for the
manufacture and support of its products.  Although the Company makes  reasonable
efforts to ensure that materials are available from multiple suppliers,  this is
not always  possible;  accordingly,  certain key  materials  are obtained from a
single  supplier or a limited group of suppliers.  These  suppliers are, in some
cases,  thinly  capitalized,  independent  companies  that generate  significant
portions  of their  business  from  the  Company  and/or a small  group of other
companies  in the  semiconductor  industry.  The  Company  has  sought  and will
continue to seek to minimize the risk of  production  and service  interruptions
and/or  shortages of key materials by: 1) selecting and  qualifying  alternative
suppliers  for key  materials;  2)  monitoring  the  financial  stability of key
suppliers;  and 3) maintaining appropriate  inventories of key materials.  There
can be no  assurance  that  the  Company's  results  of  operations  will not be
materially  and  adversely  affected  if, in the future,  the  Company  does not
receive   sufficient   materials  to  meet  its  requirement  in  a  timely  and
cost-effective manner.

Intellectual Property Matters
     The semiconductor  industry is characterized by litigation regarding patent
and other  intellectual  property  rights.  The  Company  has on  occasion  been
notified that it may be infringing patent and other intellectual property rights
of others. In addition,  customers  purchasing  components from the Company have
rights to indemnification under certain circumstances if such components violate
the  intellectual  property  rights of others.  Although  licenses are generally
offered in such  situations,  and the Company has  successfully  resolved  these
situations in the past,  there can be no assurance  that the Company will not be
subject to future litigation alleging intellectual property rights infringement,
or that the Company  will be able to obtain  licenses on  acceptable  terms.  An
unfavorable  outcome regarding one of these matters could have an adverse effect
on the Company's business and operating results.

Year 2000
         The Company has a formal,  structured Year 2000 Program and Plan and is
making consistent progress in executing against this plan. The Year 2000 Program
is the  responsibility of the Company  CFO/Administrative  VP who reports to the
Company's  CEO.  The Year 2000 project  team  includes  all Company  facilities,
locations, and organizations as necessary to ensure awareness and readiness, and
includes regular review and reporting on the status of Year 2000 readiness.

         The Company's  Year 2000 Plan includes  Information  Technology  ("IT")
systems,  Facilities and Utilities,  Manufacturing  equipment and IT interfaces,
and Supply chain management. The Company does not produce products with embedded
systems.

         The Company has  completed  the  assessment  of Year 2000 issues in all
areas,  including  testing  and  initial  contingency  planning.  The Company is
engaged in implementation work, while continuing to test each implementation and
is actively identifying contingency plans as necessary.  The Company's objective
is to complete Year 2000 



<PAGE>

readiness  by  June  30,  1999,  while  continuing  to  monitor  and  track  the
effectiveness of the preparation through all critical date events.

         The Company's IT environment  is highly  integrated,  homogeneous,  and
centralized.  This  facilitates Year 2000 readiness.  The Company's  business IT
systems are Year 2000 compliant, all implementation activities are complete. The
Company's  manufacturing and engineering systems are largely Year 2000 compliant
and the Company  expects to  complete  remaining  actions by May 1999.  Critical
network, desktop and voice system actions are complete.  Verification and end to
end testing will continue  through the second quarter of 1999 to ensure complete
integration across the Company environment.

         Facility  and Utility  assessment,  including  testing and  contingency
planning, are complete.  Facility system upgrades are scheduled to occur against
plan through June 1999.  Utility review is complete;  communication with Utility
providers is ongoing to ensure these critical  suppliers  execute  against their
plans.  However,  contingency  planning  in the  advent  of a  critical  Utility
supplier  problem is limited,  as  alternative  Utility  sources are largely not
available.

         The Company's  manufacturing  areas include all wafer  fabrication  and
backend manufacturing facilities.  Manufacturing equipment assessment, including
testing and contingency  planning is also complete,  a number of  implementation
activities are occurring against plan through June 1999. Contingency planning is
applied specific to the  manufacturing  area and equipment under review and is a
critical  component of  manufacturing  area  readiness.  Additional  testing and
contingency planning will continue to verify the effectiveness of implementation
actions.

         The Company's  Supplier program  includes direct and indirect  material
suppliers  as  well  as  subcontractors,  foundries,  and  service  and  utility
providers.  The Company has  identified  all  Critical  Suppliers as well as all
Suppliers;  all suppliers have been surveyed,  all Critical Supplier surveys are
complete,  with  contingency  plans  scheduled  to  be in  place  by  May  1999.
Contingency  plans  include  inventory   management  and  alternative   sourcing
arrangements for critical direct materials used in semiconductor  manufacturing.
The Company  recognizes  the impact of the supply chain on our operations and is
working  actively with suppliers to understand and minimize or eliminate risk to
the extent possible.

         The Company currently  estimates total costs of the Year 2000 Readiness
Program  to be no more than $1.2  million.  As of the first quarter of 1999, the
Company has not spent any  material  amount and  expenses  are  covered  through
normal operating budgets.

         The Company  believes that Year 2000 readiness will be largely achieved
by June 1999, however,  there can be no assurance that there will be no delay or
increased cost  associated  with the programs  described in this section or that
there  will be no  adverse  effects  on  operations  as a  result  of Year  2000
readiness.


Euro Conversion
         On January 1, 1999, 11 of the 15 member countries of the European Union
adopted the euro as their common legal currency and established fixed conversion
rates between their existing  sovereign  currencies and the euro. The Company is
currently   evaluating   issues   raised  by  the   introduction   and   initial
implementation  of the euro on January 1, 1999, and during the transition period
through   January  1,  2002.  The  Company  does  not  expect  costs  of  system
modifications to be material, nor does it expect the introduction and use of the
euro to materially  and adversely  affect its financial  condition or results of
operations.  The  Company  will  continue  to  evaluate  the  impact of the euro
introduction.



<PAGE>

Interest and Currency Rate Exposure

         In the normal course of business, the financial position of the Company
is routinely subjected to a variety of risks,  including market risks associated
with  interest  rate  movements,  currency  rate  movement  on  non-U.S.  dollar
denominated  assets and liabilities and  collectibility of accounts  receivable.
The Company does not anticipate material losses in these areas.

<PAGE>

<TABLE>
<CAPTION>
Consolidated Financial Statements
Statements of Operations
Siliconix incorporated
Years ended December 31
(In thousands, except per share data)                                              1998               1997               1996

<S>                                                                               <C>                 <C>                 <C>
Net sales                                                              $        282,346  $         321,551  $         268,934
Cost of sales                                                                   184,330            194,436            161,825
                                                                          --------------    ---------------    ---------------

Gross profit                                                                     98,016            127,115            107,109

Operating expenses:
     Research and development                                                    17,110             17,813             20,823
     Selling, marketing, and administration                                      55,451             65,322             54,475
     Amortization of goodwill                                                       343                  -                  -
     Restructuring                                                               19,751                  -                  -
                                                                          --------------    ---------------    ---------------

Operating income                                                                  5,361             43,980             31,811

Interest expense                                                                  2,795              2,383              2,390
Other (income) expense, net                                                       1,658                 78              (335)
                                                                          --------------    ---------------    ---------------

Income before income taxes and minority interest                                    908             41,519             29,756
Income taxes                                                                          -              8,507              3,779
Minority interest in income of consolidated subsidiary                              170                  -                  -
                                                                          --------------    ---------------    ---------------

Net income                                                             $            738  $          33,012  $          25,977
                                                                          ==============    ===============    ===============

Net income per share (basic and diluted)                               $           0.07  $            3.31  $            2.61

Shares used to compute basic and diluted earnings per share                       9,960              9,960              9,960

</TABLE>

See accompanying Notes to Consolidated Financial Statements.

<PAGE>

<TABLE>
<CAPTION>
Balance Sheets
Siliconix incorporated
As of December 31
(In thousands, except share data)                                                                   1998               1997
<S>                                                                                               <C>                   <C>

Assets
Current assets:
     Cash and cash equivalents                                                           $          37,694  $          10,249
     Short-term investment with affiliate                                                                -              8,586
     Accounts receivable, less allowances of $14,391 in 1998 and $11,923 in 1997                    35,559             52,310
     Accounts receivable from affiliates                                                             9,917              8,247
     Inventories                                                                                    49,421             42,356
     Other current assets                                                                            8,867             11,592
     Deferred income taxes                                                                          15,182              6,481
                                                                                            ---------------    ---------------

          Total current assets                                                                     156,640            139,821
                                                                                            ---------------    ---------------

Property, plant, and equipment, at cost:
     Land                                                                                            1,576              1,174
     Buildings and improvements                                                                     47,962             45,724
     Machinery and equipment                                                                       266,525            221,014
                                                                                            ---------------    ---------------

                                                                                                   316,063            267,912
     Less accumulated depreciation                                                                 165,677            141,514
                                                                                            ---------------    ---------------

          Net property, plant, and equipment                                                       150,386            126,398

Goodwill                                                                                             8,820                  -

Other assets                                                                                         1,413             15,290
                                                                                            ---------------    ---------------

Total assets                                                                             $         317,259  $         281,509
                                                                                            ---------------    ---------------

Liabilities and Shareholders' Equity Current liabilities:
     Accounts payable                                                                    $          23,947  $          31,421
     Accounts payable to affiliates                                                                 29,192             11,334
     Accrued payroll and related compensation                                                       11,694             13,970
     Accrued restructuring charge                                                                    5,352                  -
     Accrued liabilities                                                                            32,803             32,877
                                                                                            ---------------    ---------------

          Total current liabilities                                                                102,988             89,602
                                                                                            ---------------    ---------------

Long-term related party debt                                                                        50,570             34,570
Long-term debt, less current portion                                                                 1,221              3,887
Deferred income taxes                                                                                9,170              3,900
Minority interest                                                                                    3,170                  -
                                                                                            ---------------    ---------------

     Total liabilities                                                                             167,119            131,959
                                                                                            ---------------    ---------------
Commitment and contingencies
Shareholders' equity
     Common stock, par value $0.01; 10,000,000 shares authorized;
          9,959,680 shares issued and outstanding in 1998 and 1997                                     100                100
     Additional paid-in-capital                                                                     59,536             59,482
     Retained earnings                                                                              91,285             90,547
     Accumulated other comprehensive  loss                                                           (781)              (579)
                                                                                            ---------------    ---------------

          Total shareholders' equity                                                               150,140            149,550
                                                                                            ---------------    ---------------

Total liabilities and shareholders' equity                                               $         317,259  $         281,509
                                                                                            ===============    ===============
</TABLE>

See accompanying Notes to Consolidated Financial Statements


<PAGE>

<TABLE>
<CAPTION>
Statements of Shareholders' Equity
                                                                                                   Accumulated
Siliconix incorporated                                             Additional                         Other               Total
Years ended December 31, 1998            Common Stock at Par         Paid-in-      Retained       Comprehensive    Shareholders'
(In thousands)                            Shares         Amount       Capital      Earnings       Income(Loss)            Equity
<S>                                           <C>          <C>          <C>           <C>              <C>                <C>

Balances at December 31, 1995                9,960       $  100  $     59,423  $     31,558  $         (805)  $           90,276
Proceeds from restricted common stock            -            -            17             -                -                  17
Net income                                       -            -             -        25,977                -              25,977
Currency translation adjustments                 -            -             -             -              348                 348
                                                                                                                 -----------------
Comprehensive income                             -            -             -             -                -              26,325
                                                                                                                 -----------------
Balances at December 31, 1996                9,960          100        59,440        57,535            (457)             116,618
Proceeds from restricted common stock            -            -            42             -                -                  42
Net income                                       -            -             -        33,012                -              33,012
Currency translation adjustments                 -            -             -             -            (122)               (122)
                                                                                                                 -----------------
Comprehensive income                             -            -             -             -                -              32,890
                                                                                                                 -----------------
Balances at December 31, 1997                9,960          100        59,482        90,547            (579)             149,550
Proceeds from restricted common stock            -            -            54             -                -                  54
Net income                                       -            -             -           738                -                 738
Currency translation adjustment                  -            -             -             -            (202)               (202)
                                                                                                                 -----------------
Comprehensive income                             -            -             -             -                -                 536
                                                                                                                 -----------------
Balances at December 31, 1998                9,960       $  100  $     59,536  $     91,285  $         (781)  $          150,140
</TABLE>

See accompanying Notes to Consolidated Financial Statements


<PAGE>

<TABLE>
<CAPTION>
Statements of Cash Flows
Siliconix incorporated
Years ended December 31
 (In thousands)                                                                          1998             1997              1996
<S>                                                                                      <C>              <C>                <C>
Cash flows from operating activities:
Net income                                                                     $          738   $       33,012   $        25,977
Adjustments to reconcile net income to net cash provided by operating
activities:
     Depreciation and amortization                                                     27,379           23,437            17,976
     Deferred income taxes                                                            (3,431)            1,585           (2,142)
     Payment of pension benefits                                                         (84)          (1,467)              (77)
     Restructuring                                                                     11,099                -                 -
     Undistributed earnings from joint venture                                          (970)          (3,542)           (2,188)
     Other non-cash (income) and expenses                                                 750              706             (135)
     Changes in operating assets and liabilities:
          Accounts receivable                                                          22,586         (14,972)             3,274
          Accounts receivable from affiliates                                         (1,676)            6,555           (3,709)
          Inventories                                                                 (5,732)         (12,192)           (3,453)
          Other current assets                                                          (909)          (1,497)               291
          Accounts payable                                                            (7,799)            5,123             2,027
          Accounts payable to affiliates                                               17,865              219           (1,350)
          Accrued liabilities                                                         (3,565)            3,762             3,582
                                                                                  ------------     ------------     -------------

Net cash provided by operating activities                                              56,251           40,729            40,073
                                                                                  ------------     ------------     -------------

Cash flows from investing activities:
     Purchase of property, plant, and equipment                                      (35,593)         (40,244)          (39,511)
     Cash acquired from purchase of business                                              977                -                 -
     Proceeds from sale of property, plant, and equipment                                 381              347                81
     Investment in joint venture                                                            -                -           (2,053)
     (Purchase) sale of other assets                                                      111          (4,982)           (2,410)
     Short-term investment with affiliate                                               8,586            3,550             5,059
                                                                                  ------------ --- ------------     -------------

Net cash used in investing activities                                                (25,538)         (41,329)          (38,834)
                                                                                  ------------     ------------     -------------

Cash flows from financing activities:
     Repayment of long-term debt                                                      (3,117)                -             (556)
     Repayment of short-term debt                                                           -          (1,041)                 -
     Proceeds from restricted common stock                                                 54               42                17
                                                                                  ------------     ------------     -------------

Net cash used in financing activities                                                 (3,063)            (999)             (539)
                                                                                  ------------     ------------     -------------

Effect of exchange rate changes on cash and cash equivalents                            (205)            (353)               988
                                                                                  ------------     ------------     -------------

Net increase (decrease) in cash and cash equivalents                                   27,445          (1,952)             1,688
Cash and cash equivalents:
Beginning of year                                                                      10,249           12,201            10,513
                                                                                  ------------     ------------     -------------

End of year                                                                    $       37,694   $       10,249   $        12,201
                                                                                  ============     ============     =============


Supplemental disclosure of cash flow information:
Interest paid                                                                  $        3,370   $        2,263   $         1,988
Income taxes paid                                                              $        3,218   $        3,893   $         1,470
Noncash financing activities:
Acquisition of 40% interest in Simconix for long-term debt to related party    $       16,000   $            -   $             -

</TABLE>

See accompanying Notes to Consolidated Financial Statements.

<PAGE>

Notes to Consolidated Financial Statements


NOTE 1 - ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

ORGANIZATION The Company was founded in 1962 and subsequently  reincorporated on
March 5, 1987 in Delaware.  The Company was a member of TEMIC  Semiconductors  a
division of Daimler Benz microelectronics  consortium for several years. Daimler
Benz  sold  its  80.4%  interest  in the  Company  on March  2,  1998 to  Vishay
Intertechnology, Inc.("Vishay") of Malvern, Pennsylvania.

CONSOLIDATION The accompanying  consolidated  financial  statements  include the
accounts of the  Company  and its wholly  owned  subsidiaries.  All  significant
intercompany balances and transactions have been eliminated in consolidation.

REVENUE   RECOGNITION   The  Company   records   sales  to  original   equipment
manufacturers  and  distributors  at the time of shipment.  The Company  records
allowances  against  revenue for estimated  product returns and discounts at the
time of shipment.

CASH AND CASH  EQUIVALENTS  Cash  equivalents  consist of  short-term  financial
instruments which are readily  convertible to cash and have original  maturities
of three months or less.

SHORT-TERM  INVESTMENTS Short-term investments at December 31, 1997 consisted of
cash invested with Daimler-Benz Capital Incorporated  ("DBCI"),  within its cash
concentration system, whereby cash is pooled and invested on a short-term basis.
There were no short-term investments outstanding at December 31, 1998.

INVENTORIES  Inventories  are  stated  at the lower of cost or  market.  Cost is
computed on a currently  adjusted  standard  basis  (which  approximates  actual
cost);  market is based upon  estimated net realizable  value.  The valuation of
inventory at the lower of cost or market requires the use of estimates as to the
amounts of current inventory that will be sold. These estimates are dependent on
the Company's assessment of current and expected orders from its customers.

PROPERTY,  PLANT,  AND EQUIPMENT  Property,  plant,  and equipment are stated at
cost.  Depreciation  is computed  for  financial  reporting  purposes  using the
straight-line  method over the estimated useful lives of the respective  assets.
The estimated lives used are 10 to 30 years for buildings and improvements and 3
to 10 years for machinery and equipment.  The Company evaluates property,  plant
and equipment in accordance  with SFAS No. 121,  "Accounting  for the Impairment
Long-Lived Assets and for Long-Lived Assets to Be Disposed Of."

FINANCIAL  INSTRUMENTS  AND CREDIT RISK Due to the short  maturities  and/or the
variable interest rates of the Company's financial  instruments,  including cash
and  cash  equivalents,   short-term  investments,   accounts  receivable,  debt
obligations,  accounts payable,  and accrued  liabilities,  the carrying amounts
approximate the fair value of the instruments.
     The Company's  financial  instruments that are subject to concentrations of
credit risk consist primarily of trade  receivables.  The credit risk related to
the Company's  trade  receivables  is mitigated by the Company's  ongoing credit
evaluations of its customers' financial  condition,  reasonably short collection
terms,  and the  geographical  dispersion  of sales  transactions.  The  Company
generally does not require any collateral from its domestic  customers  although
letters of credit are used frequently  throughout Asia. Bad debt expense has not
been significant over the past three years.
     A material  portion of the Company's  revenues in 1998, 1997, and 1996 were
derived from the worldwide  communication  and computer  markets.  These markets
have been  historically  somewhat  volatile,  as demand for the  end-products in
these  markets  has  varied  widely  from  time to time.  If  demand  for  these
end-products should decrease  significantly,  the producers thereof could reduce
their  purchase of the Company's  products which in turn could have a materially
adverse effect on the Company's  consolidated  financial position and results of
operations.

<PAGE>

INCOME  TAXES  Income  taxes are  accounted  for  under the asset and  liability
method.  Deferred tax assets and  liabilities  are recognized for the future tax
consequences   attributable  to  differences  between  the  financial  statement
carrying  amounts of existing assets and  liabilities  and their  respective tax
bases as well as  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  that  includes  the
enactment date.
     On March 2, 1998,  as a result of the  acquisition  by Vishay  the  Company
separated from Daimler Benz North America,  Inc. consolidated group of companies
for U.S. tax filing purposes.  Thus, the Daimler-Benz Tax Sharing  Agreement was
terminated  and replaced by the Vishay Tax Sharing  Agreement.  Under the Vishay
Tax Sharing  Agreement,  the Company  continues to compute its income taxes on a
separate company basis.
     For the short  period ended  December 31, 1998,  the Company is included in
the consolidated  federal and certain state tax returns of the Vishay affiliated
group.  In accordance with the Vishay Tax Sharing  Agreement,  federal and state
taxes are determined as if the Company was associated only with its wholly owned
subsidiaries,  taking  into  account  all  tax  credits  and all  carryback  and
carryforward  items. For purposes of these  consolidated  financial  statements,
federal,  state, and foreign income taxes have been computed as if the Company's
tax provision and related  liability  had been  calculated on a separate  return
basis (see Note 5 of Notes to Consolidated Financial Statements).

NET INCOME PER SHARE In 1997,  the Company  adopted SFAS No. 128,  "Earnings Per
Share."  SFAS No. 128  requires  the  presentation  of basic  earnings per share
("EPS") and, for companies with complex capital structures, diluted EPS.

FOREIGN  CURRENCY  TRANSLATION  The  financial  statements  for  certain  of the
Company's  foreign  subsidiaries  are measured  using the local  currency as the
functional currency.  Foreign assets and liabilities in the consolidated balance
sheets have been  translated  at the rate of  exchange  as of the balance  sheet
date.  Revenues and expenses are translated at the average exchange rate for the
year.  Translation  adjustments  do not impact the results of operations and are
reported as a separate  component  of  shareholders'  equity.  Foreign  currency
transaction gains and losses are included in the results of operations.

USE OF ESTIMATES  Management  of the Company has made a number of estimates  and
assumptions  relating  to the  reporting  of  assets  and  liabilities  and  the
disclosure of contingent  assets and  liabilities to prepare these  consolidated
financial   statements  in  conformity   with  generally   accepted   accounting
principles. Actual results could differ from these estimates.

ACCOUNTING  PRONOUNCEMENTS  In June  1998,  the  FASB  released  SFAS  No.  133,
"Accounting  for Derivative  Instruments and Hedging  Activities."  SFAS No. 133
establishes  accounting and reporting  standards for derivative  instruments and
hedging  activities.  SFAS  No.  133  requires  that  an  entity  recognize  all
derivatives  as either  assets or  liabilities  in the  statement  of  financial
position and measure those instruments at fair value. The statement is effective
for all fiscal  quarters of fiscal  years  beginning  after June 15,  1999.  The
Company is still in the process of  assessing  the impact of SFAS No. 133 on its
financial statements.

COMMITMENTS  AND  CONTINGENCIES  Liabilities for loss  contingencies,  including
environmental remediation costs, arising from claims,  assessments,  litigation,
fines and  penalties,  and other sources are recorded when it is probable that a
liability has been incurred and the amount of the assessment and/or  remediation
can be  reasonably  estimated.  The  costs  for a  specific  clean-up  site  are
discounted if the aggregate  amount of the  obligation and the amount and timing
of the cash payments for that site are fixed or reliably determinable  generally
based  upon  information  derived  from the  remediation  plan  for  that  site.
Recoveries  from third  parties  which are  probable of  realization  and can be
reasonably  estimated are  separately  recorded,  and are not offset against the
related environmental liability.

RECLASSIFICATIONS  Certain  reclassifications  were  made to the  1997  and 1996
balances to conform with the 1998 presentation.


<PAGE>

Note 2 - Related Party Transactions

     As of March 2, 1998 the Company is a member of Vishay  Intertechnology Inc.
("Vishay").    Vishay   purchased   TEMIC   Semiconductors   from   Daimler-Benz
Microelectronics  Group (the "acquisition").  During 1998, Vishay maintained the
same sales  structure as under  Daimler-Benz.  In addition to the  Company,  the
other members of TEMIC Semiconductors were Telefunken Semiconductors, Matra MHS,
and Dialog  Semiconductor.  Subsequent  to the  acquisition  by  Vishay,  Matra,
Dialog, as well as the integrated circuits division of Telefunken were sold. The
aim of TEMIC  Semiconductors  is to unify the activities of the member companies
to provide  efficiencies by eliminating the duplication of many functions and to
bring  greater  value to end  customers by allowing them to deal with one entity
for their  semiconductor  purchasing needs. In order to achieve these goals, the
following  sales  companies were  established:  TEMIC North America,  TEMIC Asia
Pacific,  subsequent to the acquisition  renamed Vishay Asia Pacific,  and TEMIC
Germany.  These companies were established to fulfill all sales responsibilities
for TEMIC Semiconductors within their respective regions. TEMIC North America is
a wholly owned  subsidiary of Siliconix  incorporated;  Vishay Asia Pacific is a
division  of Vishay Asia Pte.  Ltd.,  a wholly  owned  subsidiary  of  Siliconix
incorporated; and TEMIC Germany is a division of Telefunken Semiconductors.  The
sales  companies  function  as agents  of the  manufacturing  companies,  namely
Siliconix  incorporated,  and  Telefunken  Semiconductors,   through  commission
arrangements at a fixed percentage of sales.  Under these agreements,  the sales
companies perform all sales related functions under their legal names;  however,
the sales  companies  function  only in an agency role and the  ownership of all
sales,  receivables,  inventory,  and risk of loss remain with the manufacturing
companies.
         Several  significant  transactions  and agreements  entered between the
Company and these  affiliates  are disclosed  else-where  in these  consolidated
financial  statements  and related notes.  In addition,  the following are other
transactions between the Company and its affiliates during 1998, 1997, and 1996.
     Under the Vishay sales structure,  1998 commissions  received pertaining to
the sale of affiliate  products in the North  America and Asia  Pacific  regions
were  $10,666,000.  Under the TEMIC sales  structure,  1997 and 1996 commissions
received were $15,017,000, and $16,040,000, respectively, while commissions paid
pertaining  to the sale of the  Company's  products in Europe  were  $3,266,000,
$5,472,000, and $4,361,000, in 1998, 1997, and 1996, respectively.  In 1997, the
Company also paid  $2,497,000 in commissions to affiliates of  Daimler-Benz  for
the sale of the Company's  products.  These  commission  amounts are included in
selling,  marketing,  and administrative expenses in the accompanying Statements
of Operations.
     Prior to the acquisition,  the Company participated in a cash concentration
system  established  by  Daimler-Benz  North  America  ("DBNA"),  an  affiliated
company, whereby cash is pooled and invested on a short-term basis with DBCI, an
affiliate of DBNA, to obtain a higher rate of return.  At December 31, 1997 cash
balance of $8,586,000  was invested with DBCI.  Interest rates on the investment
were based on the one-month  LIBOR.  Interest  income earned in 1998,  1997, and
1996 totaled  $28,000,  $480,000,  and $421,000,  respectively.  These  interest
income  amounts are included in other income in the  accompanying  Statements of
Operations.   The  cash  concentration  system  was  terminated  in  March  1998
subsequent to the acquisition.
     In 1997, the Company received  $1,127,000 from a related party for research
and development  contracts.  Significant terms of these agreements included, but
were not limited to, project coordination by the Company,  project inspection by
the  related  party,   and  assurance  to  the  related  party   concerning  the
confidentiality of the technical information. In 1998, the Company paid $847,000
for research and development  costs to Daimler Benz.  These amounts are included
in  research  and  development  expenses  in  the  accompanying   Statements  of
Operations.
     During 1998, 1997, and 1996, a related party in Itzehoe, Germany and in the
Asia Pacific region were engaged to provide subcontract  manufacturing  services
to the  Company.  Fees for these  services  were  $35,219,000,  $9,020,000,  and
$4,467,000,  respectively. The amount paid in 1998 and 1997 includes subcontract
manufacturing fees for the Itzehoe  fabrication  facility which began production
during the third  quarter of 1997.  The  Company  paid  operating  costs for the
Itzehoe  facility of $1,540,000 and  $9,226,000 for 1998 and 1997  respectively.
These  subcontract fees and operating costs are included in cost of sales in the
accompanying  Statements  of  Operations.  The Company is  committed  to pay for
operating costs,  regardless of the extent of actual manufacturing output, until
December 31, 2007.

     The Company entered into certain  arrangements with related parties whereby
the  Company  or the  related  party paid  certain  selling  and  administrative
expenses. These expenses were then billed back on a periodic basis. During 1998,



<PAGE>

1997, and 1996, the Company was reimbursed at cost, $7,948,000, $11,113,000, and
$14,740,000,  respectively,  for selling and administrative expenses for related
parties.  During the same periods,  the Company  reimbursed  related  parties at
cost,  $2,293,000,  $1,636,000,  and $2,256,000,  respectively,  for selling and
administrative  expenses.  These selling and administrative amounts are included
in  selling,   marketing,   and  administrative  expenses  in  the  accompanying
Statements of Operations.  During 1998 a majority of these related  parties were
terminated as a result of the acquisition. Management fee arrangements have been
entered  into  by the  Company  and  related  parties  to  cover  occupancy  and
administrative  costs. During 1998, 1997, and 1996,  management fees received by
the Company were $565,000, $343,000, and $712,000,  respectively,  and fees paid
by the Company were  $1,389,000,  $183,000,  and $1,853,000,  respectively.  The
management fee paid by the Company in 1996 included $1,670,000 related to legal,
patent and licensing, and setup costs related to the plant in Itzehoe,  Germany.
These  management fees are included in selling,  marketing,  and  administrative
expenses in the accompanying Statements of Operations.
     During 1996, the Company  incurred  costs in connection  with the set-up of
the new  Discrete  Components  division  pertaining  to the  product  lines of a
related party.  Costs for 1996 which were billed back to a related party totaled
$1,768,000.  This amount is included in selling,  marketing,  and administrative
expenses in the accompanying Statements of Operations.
     In 1997, the Company  entered into an arrangement  whereby the Company paid
certain  selling,  marketing,  and  administrative  expenses  for  the  Discrete
Components  division and a related party paid these  expenses for the Integrated
Circuits division.  The Company and the related party agreed upon fixed fees for
these expenses which were then billed back on a periodic basis. During 1997, the
Company received $4,839,000 for selling,  marketing, and administrative expenses
for the Discrete Components  division.  During the same period, the Company paid
$1,130,000  to a  related  party  for  selling,  marketing,  and  administrative
expenses for the  Integrated  Circuits  division.  These amounts are included in
selling,  marketing,  and administrative expenses in the accompanying Statements
of  Operations.  Subsequent  to  the  acquisition  the  Company  no  longer  has
segregated divisions for discrete component and integrated circuits components.
     Product sales to  unconsolidated  affiliates were $1,369,000,  $10,692,000,
and $15,527,000,  during 1998, 1997, and 1996,  respectively.  These amounts are
included in net sales in the  accompanying  Statements  of  Operations.  Product
sales  in 1998 are  significantly  lower  than in 1997  and 1996 due to  certain
affiliates which are no longer affiliates after the acquisition.
     Long-term  debt includes two related  party  promissory  notes  aggregating
$50,570,000  with  Vishay  (see  Note  6  of  Notes  to  Consolidated  Financial
Statements).  Interest  expense  relating to this debt for 1998 was  $2,425,000.
Until the  acquisition in 1998,  1997 and 1996 long term debt includes a note of
$34,570,000 with DBCI. The interest expenses related to this debt were $340,000,
$2,119,000, and $2,005,000, for 1998, 1997 and 1996, respectively. These amounts
are included in interest expense in the accompanying Statements of Operations.


<PAGE>

Note 3 - Simconix

        On April 1, 1998,  Vishay  acquired for  $16,000,000,  a 40% interest in
Simconix, a back-end  manufacturing  facility in Shanghai,  China. This interest
was sold to the Company,  in exchange for $16,000,000 of long-term debt at 6.25%
interest.  The Company had a 50%  interest  in  Simconix  dating from 1993.  The
Company previously reported its interest in the Simconix joint venture under the
equity method of accounting and recognized  $970,000,  $3,542,000 and $2,188,000
as its share of profits for the first three months of 1998, and for 12 months in
1997 and 1996,  respectively.  In  addition,  at  December  31, 1997 the Company
recorded the  investment in the joint venture for  $10,888,000  in other assets.
The acquisition is now recorded using the purchase method of accounting, and the
operating  results  of  Simconix  are  included  in the  consolidated  financial
statements  as of April  1,  1998.  As a result  of the  purchase,  the  Company
recorded  property,  plant and equipment of approximately  $15,522,000,  and net
other assets and  liabilities  of  approximately  $7,031,000.  In addition,  the
Company  recorded  goodwill of $9,163,000.  The goodwill is being amortized on a
straight-line  basis  over 20  years.  The 10%  minority  interest  is  fixed at
$3,000,000 with a fixed return on the investment.




<PAGE>



Note 4 - Inventories

 Inventories consisted of the following:

  December 31
(In thousands)                                       1998               1997

Finished goods                            $        10,627   $         11,758
Work-in-process                                    32,348             26,432
Raw materials                                       6,446              4,166

                                          $        49,421   $         42,356



<PAGE>

Note 5 - Income Taxes

Income taxes for the years ended December 31, 1998,  1997, and 1996 consisted of
the following:
<TABLE>
<CAPTION>

Years ended December 31
(In thousands)                                                                   1998              1997              1996
<S>                                                                             <C>                <C>                <C>

Current:
     Federal                                                          $         2,021  $          5,276  $          5,847
     State and local                                                                -               152                54
     Foreign                                                                    1,410             1,494               719
     Less benefit of net operating losses                                           -                 -             (699)

                                                                                3,431             6,922             5,921
Deferred:
     Federal                                                                  (3,263)             4,272             2,138
     State and local                                                                -           (1,219)           (3,394)
     Foreign                                                                    (168)           (1,468)             (886)

                                                                              (3,431)             1,585           (2,142)

                                                                      $             -  $          8,507  $          3,779
                                                                                    
Income tax expense  differs  from the amounts  computed by applying  the federal
income tax rate to pretax income as a result of the following:

Years ended December 31
(In thousands)                                                                   1998              1997             1996

Computed "expected " tax expense                                      $           318  $         14,532  $        10,415
Change in  valuation allowance                                                  1,608           (3,780)          (3,743)
Foreign income taxable at different tax rate                                  (1,789)           (1,138)            (291)
Income tax benefit attributable to foreign sales corporation                        -             (720)            (614)
State taxes, net of federal benefit                                                 -             (693)          (2,171)
Business tax credits                                                            (217)                 -                -
Other                                                                              80               306              183

                                                                      $             -  $          8,507  $         3,779

The tax effects of temporary  differences that give rise to significant portions
of the deferred tax assets and deferred tax liabilities are presented below:
</TABLE>

<TABLE>
<CAPTION>
December 31
(In thousands)                                                                                     1998             1997
<S>                                                                                                  <C>              <C>
Deferred tax assets:
     Accrued expenses and reserves                                                      $         9,295  $         5,026
     Net operating loss carryforwards                                                             7,057                -
     Tax credit carryforwards                                                                     8,535           10,500

          Total gross deferred tax assets                                                        24,887           15,526
          Less valuation allowance                                                              (2,275)                -

          Net deferred tax assets                                                       $        22,612  $        15,526

Deferred tax liabilities:
     Plant and equipment, principally due to differences in depreciation                $      (13,884)  $      (10,774)
     Investment in joint venture                                                                (2,716)          (2,171)

     Total gross deferred tax liabilities                                                      (16,600)         (12,945)

     Net deferred tax asset                                                             $         6,012  $         2,581



Realization  of the  Company's  deferred tax assets is  dependent on  generating
sufficient  U.S.  taxable  income  prior  to  expiration  of the  carryforwards.
Although realization is not assured,  management believes it is more likely than
not that all deferred tax assets will be realized.

At  December  31,  1998,  the Company had the  following  carryforwards  for tax
purposes:

(In thousands)                                                                                                   Expires

Net operating loss:
     Federal                                                                       $             20,000             2018
     California                                                                    $              1,000             2003
Credits:
     California investment credit                                                  $              5,500        2002-2006
     California research credit                                                    $              1,500    No Expiration
     Alternative minimum tax credits                                               $              4,000    No Expiration

</TABLE>

     Utilization  of the federal  net  operating  loss and credit  carryforwards
incurred  prior to March 2, 1998 may be subject to an annual  limitation  due to
the ownership change  limitations  provided by the Internal Revenue Service Code
of 1986 as amended and  similar  state  provisions.  The annual  limitation  may
result in the  expiration  of net  operating  loss and tax credit  carryforwards
before  full  utilization.  The credit  carryforwards  were  transferred  to the
Company from Daimler Benz upon separation.  The actual realizable amounts cannot
be fully  determined  until the  completion  of the 1998 tax  filings by Daimler
Benz.

      The  Company  has not  provided  for U.S.  federal  income  taxes on $59.4
million of non-U.S.  subsidiaries'  undistributed  earnings  as of December  31,
1998,  because such  earnings are intended to be  reinvested  outside the United
States indefinitely.
     The Company's U.S. income tax returns for the years ended 1996 and 1997 are
presently under examination by the Internal Revenue Service. Management believes
that any potential tax  assessment  plus related  interest and penalty,  if any,
have been sufficiently provided for in the financial statements.


<PAGE>

Note 6 - Debt Obligations

The Company's debt obligations were as follows:

December 31
(In thousands)                                          1998            1997

Related party borrowings                        $     50,570   $      34,570

Guaranteed floating rate subordinated notes                -           3,117
Unfunded retirement costs                              1,221             770

Total debt                                            51,791          38,457


Long-term portion                                     51,791          38,457
Related party borrowings                              50,570          34,570

Amounts due to third parties                    $      1,221   $       3,887

         At December 31, 1998 the Company has two promissory  notes with Vishay,
one  for  $16,000,000  and  the  other  for  $34,570,000.  Interest  rate on the
promissory notes is at Vishay's borrowing rate (6.25% at December 31, 1998). The
notes are due on December  31,  2001.  The Company  repaid the entire  principal
amount of the  $16,000,000  promissory  note  during the first  quarter of 1999.
Under  the  Vishay  promissory  notes,  the  Company  is  indirectly  bound by a
restrictive  covenant  contained in the Vishay credit agreement with its lending
banks which precludes payments of dividends.

         The Company  repaid  floating  rate notes with a  principal  balance of
$3,117,000 and accrued interest of $143,000 on August 28, 1998.  Interest on the
notes were based on the London  interbank  offered rate, and was due annually on
December 1. The floating rate notes were originally issued on December 10, 1990,
with a maturity date of December 10, 2005.

         Borrowings  at  December  31,  1997  included  a  promissory   note  of
$34,570,000 with Daimler Benz Capital Incorporated  ("DBCI"). As a result of the
acquisition  this note was assigned to Vishay,  which paid the entire  principal
amount to DBCI.

     In May 1998 the Company  entered into a two year revolving  credit facility
with Vishay providing for borrowings of up to $35,000,000 at Vishay's  borrowing
rate  (6.25% at December  31,  1998).  At  December  31, 1998 the Company had no
outstanding borrowings on the credit facility.



<PAGE>

Note 7 - Geographic and Industry Segment Reporting

       The  Company  is  engaged  primarily  in the  designing,  marketing,  and
manufacturing  of power  and  analog  semiconductor  products.  The  Company  is
organized in three  operating  segments  which due to their  inter-dependencies,
similar long-term  economic  characteristics,  shared  production  processes and
distribution  channels have been aggregated to one reportable operating segment.
No one customer  accounted for 10% of net sales in 1998. A Japanese  distributor
accounted  for 10% and 19% of net  sales  in 1997  and  1996,  respectively.  At
December 31, 1997, accounts receivable from this distributor was $3,999,000.
     The Company  maintains  subsidiaries  in the  Netherlands,  United Kingdom,
Singapore,  and Japan.  The Company has  manufacturing  operations in the United
States,  Taiwan,  China  and  through  subcontractors  in  Germany  and  various
countries throughout Asia.

Information  about the Company's  operations by geographic  area is shown in the
following table:
<TABLE>
<CAPTION>
Years ended December 31
(In thousands).                                                           1998                 1997                 1996
<S>                                                                    <C>                   <C>                      <C>

Sales to external customers:
     United States                                          $           70,282    $          91,673    $          74,268
     Europe                                                             72,168               90,480               71,739
     Japan                                                              19,700               33,359               51,065
     Taiwan                                                             29,530               19,448               17,008
     Singapore                                                          36,425               34,473               25,093
     Asia Pacific (excluding Taiwan and Singapore)                      45,012               29,901               14,433
      All other                                                          9,229               22,217               15,328
                                                            $          282,346    $         321,551    $         268,934


Long-Lived Assets at December 31
     United States                                          $          117,102    $         122,820    $         103,256
     All other                                                          65,684               19,518               43,251

                                                            $          182,786    $         142,338    $         146,507
</TABLE>


<PAGE>


Note 8 - Leases and Commitments

At December 31, 1998,  the future  minimum  commitments  for all  non-cancelable
operating leases are as follows:

(In thousands)

1999                                              $        2,713
2000                                                         749
2001                                                         442
2002                                                         329
2003                                                         329
Thereafter                                                   108
                                                     ------------

Total minimum lease payments                      $        4,670
                                                     ------------

     The Company leases land, office  facilities,  and equipment under operating
leases. Operating rent expenses were $6,252,000,  $6,488,000,  and $4,599,000 in
1998, 1997, and 1996, respectively.
     The Company entered into product license  agreements  which provide,  among
other things,  that the Company makes royalty payments based on sales of certain
products at royalty rates as specified in the  agreements.  The product  license
agreements either have a fixed term or terminate upon expiration of the patents.
There is no contractual limit to royalty payments.  Royalty expenses under these
royalty agreements were $4,463,000,  $6,600,000,  and $7,692,000, in 1998, 1997,
and 1996, respectively. Included in accrued liabilities are royalties payable of
$2,052,000, and $2,705,000 at December 31, 1998, and 1997, respectively.


<PAGE>


Note 9 - Employee Benefit Plans

        The profit sharing element of the Siliconix incorporated Retirement Plan
Trust (the "Plan") provides for annual contributions by the Company of up to 10%
of consolidated income before taxes (as defined).  Vesting in the profit sharing
element of the Plan  occurs  ratably  over a  five-year  period.  Upon  employee
termination,  non-vested  contributions  are  forfeited and reduce the Company's
current and/or future  contributions  to the Plan.  The Company's  contributions
were  $845,000,   $3,330,000,   and  $2,525,000,   in  1998,   1997,  and  1996,
respectively.  The tax  deferred  savings  element of the Plan  allows  eligible
employees to contribute up to 15% of their  compensation.  The Company matches a
portion of each participating  employee's  contribution.  The Company's matching
contributions were $1,064,000,  $1,277,000,  and $1,266,000,  in 1998, 1997, and
1996, respectively.
       The Company  maintains defined benefit pension plans in the United States
and Taiwan. The Company's U.S. defined benefit pension plan is for employees who
met specified age and service  eligibility  requirements on January 1, 1983. The
Company's  subsidiary in Taiwan has a defined  benefit  pension plan that covers
substantially all of its employees.

<TABLE>
<CAPTION>
The Reconciliation of the Company's benefit Obligation
                                                               1998              1997
<S>                                                            <C>                 <C>
Benefit obligation at beginning of the year           $            3,370  $          3,458
Service Cost                                                         207               187
Interest cost                                                        237               168
Actuarial gain                                                        91             1,634
Benefit paid                                                        (84)           (1,467)
Change in exchange rate                                            (250)             (610)
Benefit obligation at the end of year                 $            3,571  $          3,370

Plan Assets
                                                               1998              1997
Change in plan assets:
Fair value of plan assets at beginning of the year    $             765  $           1,257
Actual return on plan assets                                         59                 46
Employer contributions                                              275                372
Benefits paid                                                     (415)              (411)
Actuarial gain                                                        6                 13
Change in exchange rate                                              10              (512)
Fair value of plan assets at the end of the year      $             700  $             765



     The following table sets forth the funded status and amounts of the defined
benefit pension plans recognized in the Company's balance sheets:

December 31
(In thousands)                                                   1998              1997

Actuarial present value of benefit obligations:
Vested benefits obligation                            $          (48)  $           (50)
Accumulated benefit obligation                                (1,741)           (1,801)
Projected benefit obligation ("PBO")                  $       (3,571)  $        (3,370)
Plan assets at fair value                                         700               765

Plan assets less PBO                                          (2,558)           (2,605)
Unrecognized net loss                                           1,309             1,495

Unrecognized net transition asset at:

     January 1, 1989, recognized over 15 years                    342               374

Accrued pension cost                                  $         (908)  $          (736)
</TABLE>

<PAGE>


       Plan assets  consist  primarily of  guaranteed  insurance  contracts  and
managed trusts. Net pension cost included the following components:

<TABLE>
<CAPTION>
Years ended December 31
(In thousands)                                                                   1998              1997              1996
<S>                                                                              <C>               <C>                <C>

Service cost benefits earned during the year                           $          207   $           187  $            209
Interest cost on PBO                                                              237               168               239
Actual  return on plan assets                                                    (59)              (46)              (67)
Net amortization and deferral                                                     103                27                99

Net pension expense                                                    $          488   $           336  $            480

Assumptions used were:
     Discount rates                                                                7%                7%           6.5%-7%
     Rates of increase in compensation levels                                      5%                5%                5%
     Expected long-term rate of return on assets                                   7%                7%           6.5%-7%

</TABLE>


<PAGE>


Note 10 - Employee Stock Plan

         From 1973 through the fourth  quarter of 1990,  the Company's  Board of
Directors  authorized  the  sale of  restricted  common  stock  to  certain  key
employees and directors for initial payments below market values.  Vested shares
are subject to the  Company's  lifetime  right of first  refusal to purchase the
shares. In the event the Company declines to purchase the shares, a fixed amount
of $3.06 (the "delta")  determined by the Company's  plan of  reorganization  is
paid to the Company.  Fully vested shares outstanding under this plan at a delta
of $3.06 per share at December 31, 1998,  1997, and 1996,  were 65,359,  83,038,
and 96,945,  respectively.  There were no shares  issued  under this plan during
1998,  1997, and 1996.  Vested shares sold by employees  during 1998,  1997, and
1996 were  17,679,  13,907,  and 5,444,  respectively,  resulting in payments of
$54,098, $42,555, and $16,659,  respectively,  to the Company which are included
in additional  paid-in-capital.  During 1998,  1997,  and 1996, no vested shares
were sold to the Company.


<PAGE>


Note 11 - Contingencies

         The  Company  is  party to two  environmental  proceedings.  The  first
involves  property that the Company  vacated in 1972.  The  California  Regional
Water Quality  Control Board  ("RWQCB")  issued a cleanup and abatement order to
both the Company and the current owner of the property. The Company subsequently
reached a settlement  of this matter with the current owner in which the current
owner  indemnifies  the Company  against any liability that may arise out of any
governmental  agency  actions  brought  for  environmental  cleanup of the site,
including  liability arising out of the current cleanup and abatement order. The
second  proceeding  involves the Company's  current facility in Santa Clara. The
RWQCB  issued  a  cleanup  and  abatement   order  based  on  the  discovery  of
contamination  of both the soil and the  groundwater  on the property by certain
chemical  solvents.  The Company is currently engaged in certain remedial action
and has accrued  $750,000 as its best  estimate of future costs  related to this
matter at December 31, 1998.
         In  management's  opinion,  based on discussion  with legal counsel and
other  considerations,  the ultimate resolution of the  above-mentioned  matters
will not have a material adverse effect on the Company's  consolidated financial
condition or results of operations.
         The  Company is engaged  in  discussions  with  various  other  parties
regarding patent licensing and cross-patent  licensing issues. In the opinion of
management,  the outcome of these  discussions  will not have a material adverse
effect on the Company's  consolidated  financial  condition or overall trends in
the results of operations. The management estimates given may vary.


<PAGE>

Note 12 - Restructuring Charge

         The Company  incurred a pre-tax  restructuring  charge of $19.8 million
relating  to the  acquisition  on March 2,  1998 of the  80.4%  interest  in the
Company by Vishay. Of the total, approximately $12.6 million related to employee
termination  costs covering  seven  key executives and 72 technical, production,
and administrative  employees.  The remaining $7.2 million restructuring charge
relates to provisions  for certain  assets,  contract  cancellations,  and other
expenses.  As of December 31, 1998, 75 employees  have been  terminated  and the
Company settled $9.7 million in costs, of which, $7.8 million were paid and $1.9
million were written off. In addition, $4.7 million has been charged against the
restructuring liability for the write-down of certain assets and other expenses.
At December 31, 1998,  restructuring  charge of $5.4  million  remains  accrued,
primarily  relating to employee  termination  costs and contract  cancellations.
Future cash  payments are expected to  approximate  $5.4 million and the Company
anticipates that it will substantially complete  its restructuring by the end of
1999.



<PAGE>


Note 13 - Comprehensive Income

     As of January 1, 1998,  the Company  adopted  the  Statement  of  Financial
Accounting Standard No. 130 ("SFAS"), "Reporting Comprehensive Income." SFAS No.
130 establishes new rules for the reporting and display of comprehensive  income
and its  components;  however  adoption of this  statement  had no impact on the
Company's  net income or  shareholders'  equity.  SFAS No. 130 requires  foreign
currency translation  adjustments to be included in other comprehensive  income.
Prior to  adoption,  unrealized  gains or losses  related  to  foreign  currency
translation  adjustments were reported as a separate  component of shareholders'
equity.

The following are the components of comprehensive income, (in thousands):
<TABLE>
<CAPTION>
                                                                      1998               1997                 1996
                                                              

<S>                                                           <C>                     <C>                <C>    
Net income                                                    $             738  $          33,012  $           25,977
Foreign currency translation adjustment                                   (202)              (122)                 348

Comprehensive income                                                        536             32,890              26,325

The component of accumulated other  comprehensive  income is as follows:

Foreign currency translation adjustment                       $           (781)  $           (579)  $            (457)

</TABLE>


<PAGE>


           Siliconix  incorporated  common  stock is traded on the NASDAQ  Stock
Market under the symbol SILI.  Presented  below are the highest and lowest "last
trade" stock prices for the indicated quarters.

<TABLE>
<CAPTION>

                                        1998                                                         1997
                                 High          Low                                      High               Low
<S>                                 <C>          <C>           <C>                      <C>                   <C>
4th Quarter               $     23 3/4    $       12         4th Quarter           $      57 1/2     $       37 1/2
3rd Quarter                     27 1/2            13         3rd Quarter                  46 1/2             27
2nd Quarter                     41 7/16           17         2nd Quarter                  30                 21
1st Quarter                     45                41         1st Quarter                  31                 221/2

</TABLE>


                     SUBSIDIARIES OF SILICONIX INCORPORATED

                                     Jurisdiction
                                     of Incorporation                  Percent
         Subsidiary                  or Organization                   Owned
         ----------                  ---------------                   -----

1.   Siliconix Limited               United Kingdom                    100%

2.   Siliconix (Taiwan)              Taiwan                            100%
     Limited

3.   TEMIC Japan K.K.                Japan                             100%

4.   Vishay Asia Pte. Ltd.           Singapore                         100%

5.   TEMIC Semiconductor             United States                     100%
     North America, Inc.             (New Jersey)

6.   Siliconix Technology C.V.       Netherlands                       100%

7.   Shanghai Simconix               People's Republic                 90%
     Co. Ltd.                        of China


<TABLE> <S> <C>


<ARTICLE>                     5
<CIK>                         0000090283
<NAME>                        SILICONIX INC
       
<S>                             <C>
<PERIOD-TYPE>                   12-mos
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-START>                                 JAN-1-1998
<PERIOD-END>                                   DEC-31-1998
<CASH>                                         37,694
<SECURITIES>                                   0
<RECEIVABLES>                                  49,950
<ALLOWANCES>                                   14,391
<INVENTORY>                                    49,421
<CURRENT-ASSETS>                               156,640
<PP&E>                                         316,063
<DEPRECIATION>                                 165,677
<TOTAL-ASSETS>                                 317,259
<CURRENT-LIABILITIES>                          102,988
<BONDS>                                        0
                          0
                                    0
<COMMON>                                       100
<OTHER-SE>                                     150,040
<TOTAL-LIABILITY-AND-EQUITY>                   317,259
<SALES>                                        282,346
<TOTAL-REVENUES>                               282,346
<CGS>                                          184,330
<TOTAL-COSTS>                                  184,330
<OTHER-EXPENSES>                               94,313
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             2,795
<INCOME-PRETAX>                                908
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                            0
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   738
<EPS-PRIMARY>                                  0.07
<EPS-DILUTED>                                  0.07
        


</TABLE>


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