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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                     ---------------
                                    FORM 10-K
(Mark One)
|X| ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT
    OF 1934

     For the fiscal year ended: December 31, 2002

                                       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 0-25426
                                 ---------------
                        NATIONAL INSTRUMENTS CORPORATION
             (Exact name of registrant as specified in its charter)

                 Delaware                                    74-1871327
     (State or other jurisdiction of                      (I.R.S. Employer
      incorporation or organization)                    Identification Number)

       11500 North Mopac Expressway
              Austin, Texas                                    78759
 (address of principal executive offices)                    (zip code)

               Registrant's telephone number, including area code:
                                 (512) 338-9119
                                 ---------------
           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 (ss.229.405 of this chapter) 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. |X|

     Indicate by check mark whether the registrant is an  acceletated  filer (as
defined in Rule 12b-2 of the Act). Yes |X| No |_|

     The aggregate  market value of voting stock held by  non-affiliates  of the
registrant at the close of business on January 22, 2003, was $935,589,198  based
upon the last sales price reported for such date on the NASDAQ National  Market.
For purposes of this disclosure, shares of Common Stock held by persons who hold
more  than 5% of the  outstanding  shares of Common  Stock  and  shares  held by
officers  and  directors  of the  registrant  as of December  31, 2002 have been
excluded in that such persons may be deemed to be affiliates. This determination
is not necessarily conclusive.

     At the close of business on January 22, 2003,  registrant  had  outstanding
51,101,102 shares of Common Stock.

                       DOCUMENTS INCORPORATED BY REFERENCE

     Part III incorporates  certain information by reference from the definitive
proxy  statement for the Annual  Meeting of  Stockholders  to be held on May 13,
2003 (the "Proxy Statement").

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                                     PART I


     This Form 10-K  contains  certain  forward-looking  statements  within  the
meaning of Section 27A of the  Securities  Act of 1933, as amended,  and Section
21E of the  Securities  Exchange  Act of 1934,  as  amended.  These  statements,
including  statements  regarding our  strategy,  products,  product  development
efforts and financial  performance,  are subject to risks and uncertainties.  We
use words such as "anticipate,"  "believe," "plan," "expect," "future," "intend"
and similar  expressions  to  identify  forward-looking  statements.  Our actual
results  could  differ   materially  from  the  results   anticipated  in  these
forward-looking  statements as a result of certain  factors  including those set
forth under the heading "Factors affecting the Company's  Business" beginning on
page  27,  and  elsewhere  in this  Form  10-K.  Although  we  believe  that the
expectations  reflected in the  forward-looking  statements are  reasonable,  we
cannot   guarantee   future   results,   levels  of  activity,   performance  or
achievements.  You  should not place  undue  reliance  on these  forward-looking
statements.  We disclaim any obligation to update  information  contained in any
forward-looking statement.


ITEM 1. BUSINESS

     National Instruments  Corporation (the "Company" or "National Instruments")
is a leading supplier of measurement and automation  products that engineers and
scientists use in a wide range of industries. These industries are spread across
a large and  diverse  market for test and  measurement  ("T&M")  and  industrial
automation  ("IA")  applications.  The  Company  provides  flexible  application
software  and  modular,   multifunction   hardware   that  users   combine  with
industry-standard computers, networks and the Internet to create measurement and
automation systems, which the Company also refers to as "virtual instruments."

     A virtual  instrument is a user-defined  measurement and automation  system
that consists of an industry  standard  computer or workstation  (which may be a
mainstream  general-purpose  computer or workstation or a version of an industry
standard  computer or  workstation  that is specially  designed and packaged for
harsh  industrial  or  embedded  environments),   equipped  with  the  Company's
user-friendly application software, cost-effective hardware and driver software.
Virtual   instrumentation   represents  a  fundamental  shift  from  traditional
hardware-centered  instrumentation  systems to  software-centered  systems  that
exploit the computational,  display,  productivity and connectivity capabilities
of computers,  networks and the Internet.  Because virtual  instruments  exploit
these computation,  connectivity, and display capabilities, users can define and
change the functionality of their  instruments,  rather than being restricted by
fixed-functions   imposed  by  traditional  instrument  vendors.  The  Company's
products empower users to monitor and control  traditional  instruments,  create
innovative  computer-based systems that can replace traditional instruments at a
lower cost, and develop systems that integrate  measurement  functionality  with
industrial  automation.  The Company  believes that giving users  flexibility to
create their own user-defined  virtual  instruments for an increasing  number of
applications  in a wide variety of  industries,  and letting users  leverage the
latest  technologies  from  computers,  networking and  communications  shortens
system  development  time  and  reduces  both  short-  and  long-term  costs  of
developing,  owning  and  operating  measurement  and  automation  systems,  and
improves  efficiency and precision of applications  spanning  research,  design,
production and service.

     The Company is based in Austin,  Texas and was incorporated  under the laws
of the State of Texas in May 1976 and was  reincorporated  in  Delaware  in June
1994. On March 13, 1995,  the Company  completed an initial  public  offering of
shares of its Common Stock.  The Company's  Common  Stock,  $0.01 par value,  is
quoted on the NASDAQ National Market System under the trading symbol NATI.


Industry Background

     Engineers and  scientists  have long used  instruments  to observe,  better
understand and manage the real-world phenomena,  events and processes related to
their  industries  or  areas  of  expertise.  Instruments  measure  and  control
electrical signals, such as voltage,  current and power, and physical phenomena,
such as temperature, pressure, speed, flow, volume, torque and vibration. Common
instruments include voltmeters, signal generators,  oscilloscopes,  dataloggers,
spectrum  analyzers,   cameras,   and  temperature  and  pressure  monitors  and
controllers.   Instruments   generally  perform  three  basic  functions:   data
acquisition and control; data analysis; and presentation of results. Instruments
are  used  pervasively  in  research,   education,   manufacturing  and  service
applications in numerous fields including  electronics,  automotive,  aerospace,
telecommunications,  medical  research  and  pharmaceutical,  semiconductor  and
petrochemical.

     Instruments and systems are used to facilitate  research as well as product
design, production and service. In research and development settings, scientists
and engineers use  instruments  and systems to collect and analyze  experimental
data and  simulate  manufacturing  processes  or  techniques.  In  manufacturing
environments,  engineers  use  instruments  and  systems  to test and verify the
proper  operation of the products being  manufactured and to monitor and control
the manufacturing machines and processes.  In service contexts,  instruments and
systems are used to monitor, troubleshoot and repair products and processes.


Traditional Instrument Applications for Measurement and Automation

     Instrument  applications can be generally  categorized as either T&M or IA.
T&M applications  generally  involve testing during the design,  manufacture and
service  of a wide  variety  of  products.  IA  applications  generally  involve
automating the machinery and processes  used in the production and  distribution
of a wide variety of products and materials.

     A typical T&M instrument is a stand-alone  unit that has input,  output and
analysis capabilities;  knobs, switches and push buttons for user operation; and
gauges,  meters or other displays for visual data  presentation.  Traditionally,
most T&M instruments  were  vendor-defined,  fixed-function  devices designed to
address specific  applications.  As a result,  users had limited  flexibility to
adapt their instruments to changing  requirements.  In the 1960's, vendors began
to incorporate integrated circuits, including programmable microcontrollers,  to
increase  instrument  flexibility.   In  the  mid-1970's,  the  General  Purpose
Interface  Bus ("GPIB" or "IEEE 488") was  developed as a standard  interface to
connect  instruments to external computers.  The first computer  controllers for
GPIB instruments were based on proprietary hardware architectures.  In the later
1970's,  some  minicomputers  with general purpose but complex operating systems
were  equipped  for GPIB  instrument  control.  In the  early  1980's,  personal
computers  with limited  processing  power  equipped  with  MS-DOS,  a standard,
character-based operating system, began replacing minicomputers as the preferred
platforms for instrument control applications.  In the 1990s, personal computers
with Windows operating systems and graphics-based  application  software grew in
popularity   and  became  the  dominant   platforms   for   instrument   control
applications.  In the late 1990s,  connectivity  to the Internet and the ability
for personal  computers to integrate and share data  throughout  the  enterprise
further  increased the popularity and use of PC-based  instrumentation  systems,
and new web-enabled tools enabled users to begin to easily leverage the Internet
for networked and distributed measurement applications.  In the early 2000's, as
mainstream  PCs  continued  their  dramatic  increase in processor  performance,
memory, storage, and display capabilities at ever lower prices,  improvements in
PC  operating  systems  also  increased  reliability,   stability,  and  network
connectivity.  These  improvements,  combined  with add-on  products such as the
Company's LabVIEW Real-Time Software and associated  hardware,  enabled industry
standard PCs to be used in a wider range of T&M applications.

     IA systems have long included mechanical devices, analog gauges and meters,
and since the 1960's,  have also included  electronic  instruments  such as data
loggers and strip chart recorders. In the 1970's, programmable logic controllers
("PLCs"),  special-purpose,  proprietary stand-alone industrial computers,  were
introduced  and were used primarily for  "discrete"  manufacturing  applications
such as automobile  assembly.  PLCs have  traditionally  had primitive  operator
interface  panels  incorporating  buttons,  lights and indicators.  In parallel,
sophisticated   instrumentation   systems  called  distributed  control  systems
("DCSs") were also adopted to provide computer control of large-scale continuous
processes,  such as those found in oil refineries.  DCSs integrated a variety of
sensors and control  elements  using both  analog and digital  connections,  all
controlled  by  a  central  computer  running  proprietary   software.   In  the
mid-1980's,  another  approach  became  available  when  industrial  PC-based IA
systems came into use. These early PC-based  systems  generally ran proprietary,
vendor-defined  software and  incorporated  plug-in data  acquisition  boards or
interfaced  to PLCs.  In the 1990's,  Ethernet  networks grew in popularity as a
standard for  connectivity  between IA devices,  instruments,  and systems,  and
personal  computers with high-speed  processors  running Windows based operating
systems. In addition,  graphics-based application software grew in popularity as
platforms for supervision and control of IA systems and  applications.  Finally,
just as in T&M  applications,  in the late 1990's  connectivity  to the Internet
enabled users to leverage networked  applications via the internet. In the early
2000's,  industry standard PC technologies  began to migrate beyond  traditional
desktop and laptop  computer form factors into a wide variey of  industrial  and
embedded  form  factors.  As  a  result,  PC  technologies  designed  for  harsh
industrial  environments began to replace traditional  proprietary  solutions in
industrial and embedded  applications  where the computer  itself resides inside
industrial  machines and processes to provide embedded real-time  monitoring and
control.


Limitations of Traditional Approaches to Instrumentation

     Instruments and systems for both T&M and IA applications  have historically
shared  common  limitations,  including:  fixed,  vendor-defined  functionality;
proprietary,  closed  architectures that were generally difficult to program and
integrate  with other  systems;  and inflexible  operator  interfaces  that were
usually  cumbersome  to operate and change.  These  problems  have been  further
complicated  in  IA   applications   because   specialized   data  transfer  and
communications  standards have not evolved rapidly or been widely  adopted.  For
example, PLCs, while greatly improving control of individual processes,  created
multiple  "islands of information"  that were generally unable to communicate or
share  data  with  other  systems   throughout  the  manufacturing   enterprise.
Furthermore,  proprietary  instrumentation  systems have traditionally been very
expensive,  with IA system prices ranging as high as several million dollars and
T&M instrumentation  system prices often ranging in the hundreds of thousands of
dollars. In addition,  the limitations on programmability of traditional systems
means that adopting these systems to changing requirements is both expensive and
time consuming, and users are often required to purchase multiple single-purpose
instruments.

     Although  desktop  computers  in the  1980's  typically  were based on open
architectures,  until the 1990's they lacked higher-level  application  software
development   tools  and   intuitive   graphical   user   interfaces   ("GUIs").
Consequently,  the process of creating  intuitive operator interface and control
panels was difficult and  expensive.  These early desktop  computers also lacked
the power to rapidly  process and analyze the volume of data  characteristic  of
many high data rate T&M and IA applications. In addition, desktop computers were
difficult to network reliably until standard network  operating  systems evolved
late in the decade. For all of these reasons,  users and vendors were relatively
slow to incorporate desktop computers in their instrumentation systems.

     In the 1990's,  desktop and portable  computers  improved  significantly in
data and graphics  processing  power,  storage,  communication,  and  networking
capabilities,  user-friendliness and reliability. Nevertheless, users accustomed
to  the  flexibility,   efficiency,   power  and  open   architecture  of  these
later-generation   computers,   and  the  highly  evolved  application  software
available for business computing needs, have been generally  frustrated in their
efforts to integrate these computers into measurement and automation  solutions.
Standard  desktop  computers  were not equipped  with the  hardware  connections
required    to    control    many    types    of    instruments    and    lacked
instrumentation-specific    application   development   tools,   including   GUI
development environments.  Neither standard programming languages such as C/ C++
and Visual Basic,  nor operating  systems such as Windows,  Linux and UNIX,  are
"measurement  aware."  Without the aid of  instrumentation-specific  software to
facilitate the integration of various  instrumentation  system  capabilities and
components, engineers and scientists could not easily utilize the full potential
of computers, networks and the Internet to meet their measurement and automation
requirements.


The Company's Approach to Measurement and Automation

     The Company  pioneered a new  computer-based  approach to  measurement  and
automation called virtual instrumentation in 1986 when it introduced its LabVIEW
application software, which is a graphical programming environment that empowers
users to easily build their own  computer-based  instruments and systems to meet
their specific measurement and automation needs. While a traditional  instrument
bundles the data acquisition,  analysis and presentation  functions in a single,
stand-alone  unit, a "virtual  instrument"  system consists of industry standard
computers or workstations equipped with the Company's user-friendly  application
software,  cost-effective hardware and driver software that together perform the
functions of  instruments.  By  unbundling  the key  instrumentation  functions,
virtual  instruments  represent  a  fundamental  shift  from   hardware-centered
instrumentation   systems  to   software-centered   systems   that  exploit  the
computational, display, productivity and connectivity capabilities of computers,
networks and the Internet.  The  Company's  application  software  products give
users the power and  flexibility  to define,  implement,  modify and control the
core data acquisition,  analysis, and presentation functions of instruments with
their computer. Users can mix and match their choice of the Company's DAQ, GPIB,
VXI,  PXI,  image  acquisition,  motion  control  or  industrial  communications
products to create  virtual  instrumentation  systems  that meet their  specific
instrumentation  needs.  The  Company's  products  empower  users to monitor and
control instruments,  create innovative  computer-based systems that can replace
instruments  at a lower  cost,  and  integrate  measurement  functionality  with
industrial  automation and standard network  connectivity to improve  efficiency
and precision of applications spanning research, design, production and service.
Because much of the instrumentation  functionality resides in the software, in a
significant sense, the software is the instrument.


User Benefits

     Compared with traditional solutions,  the Company believes its products and
computer-based,   virtual   instrumentation   approach   provide  the  following
significant customer benefits:


     Performance, Ease-of-Use and Efficiency

     The Company's virtual instrument  application software brings the power and
ease-of-use  of computers,  networks and the Internet to  instrumentation.  With
features such as graphical programming,  automatic code generation capabilities,
graphical tools libraries,  ready-to-use example programs, libraries of specific
instrumentation  functions,  and the  ability to deploy  their  applications  on
platforms  ranging  from  standard  desktop and laptop  computers  to  computers
designed for harsh industrial settings and embedded "real-time"  control,  users
can  quickly  build a virtual  instrument  system  that meets  their  individual
application  needs.  For  example,  a user may  build the data  acquisition  and
analysis   functions  of  an  instrument  by  selecting  and  connecting   icons
representing   particular  functions  and  may  customize  the  display  on  the
computer's  monitor to reflect  the  desired  presentation.  With faster time to
solution, users have more time to optimize system functionality and performance,
and can  devote  more time to their core work  rather  than to  programming.  In
addition,  the  continuous  improvement  in performance of PCs and the Internet,
which  are the core  platform  for the  Company's  approach,  result  in  direct
performance  benefits  for  virtual  instrument  users  in the  form  of  faster
execution for software-based measurement and automation applications,  resulting
in  shorter  test  times  and  faster  automation,   and  higher   manufacturing
throughput.


     Modularity, Reusability and Reconfigurability

     The Company's  products include reusable hardware and software modules that
offer considerable flexibility in configuring systems. This ability to reuse and
reconfigure  instrument  systems  allows  users to reduce  development  time and
maximize efficiency by eliminating duplicated programming efforts and to quickly
adapt their  instruments to new and changing needs. In addition,  these features
help protect both hardware and software investments against obsolescence.


     Mix and Match Capabilities

     The flexibility of the Company's virtual  instrumentation  approach permits
users  to mix and  match  many  combinations  of  GPIB,  VXI,  DAQ,  PXI,  image
acquisition,  motion  control and  industrial  communications  products to build
customized  measurement  and  automation  solutions.  The Company's open product
architecture provides a high level of integration between the Company's products
and other industry  standard  instrumentation  products.  This approach provides
users  with the  flexibility  to mix and match  the  Company's  and  third-party
hardware components when developing custom virtual instrumentation systems.


     Long-Term Compatibility Across Multiple Computer Platforms

     The Company offers a variety of  multi-platform  software products so users
can choose the platform and programming  methodology that best meets their needs
and skills.  These software products also have portable,  open  architectures so
users  can move  their  applications  among  multiple  platforms  and  operating
systems.  In addition,  the Company  strives to ensure  long-term  compatibility
between  its  products  and the latest  industry-standard  computers,  operating
systems, programming languages and tools, as well as backward compatibility with
its own product offerings.


     Network and Integrate with Customers' Computing Environments

     The  Company's   products   facilitate   connectivity  of  measurement  and
automation  systems  with the  enterprise  by utilizing  industry  communication
standards such as the Web, Ethernet and TCP/IP.  The Company's  products provide
integrated Web support,  data and file transfer between  computers,  distributed
access to  databases  and remote test and  measurement  and  process  monitoring
capabilities.  In addition,  the Company's  products are also  compatible with a
wide  variety  of  familiar,  easy-to-use  software  applications  such  as word
processors,  spreadsheets,  Web browsers, and databases. In many cases, a single
computer or workstation can serve both the  instrumentation  and general purpose
computing needs of scientists and engineers.


     Large User Base

     The Company supports and encourages the sharing of ideas,  derived software
libraries  and  modules  among its broad user base  through its NI.com Web site,
user groups,  newsletters,  conferences  and seminars.  This large base of users
stimulates  the expansion of the Company's  network of  approximately  600 third
party system  integrators and consultants,  who can save users time and money by
providing  value-added  expertise,  software programs and integration of systems
for use with the Company's products.


     Lower Total Solution Cost

     The   Company    believes   that   its   products   and   solutions   offer
price/performance   advantages   over   traditional   instrumentation.   Virtual
instrumentation   provides  users  the  ability  to  utilize  industry  standard
computers  and  workstations  equipped  with  modular and  reusable  application
software,  cost-effective hardware and driver software that together perform the
instrumentation   functions  that  would   otherwise  be  performed  by  costly,
proprietary  instrumentation systems. In addition, virtual instrumentation gives
users the  flexibility  and  portability  to adapt to  changing  needs,  whereas
traditional  closed systems are both  expensive and time consuming to adapt,  if
adaptable at all.


Strategy

     The  Company's  objective is to be a leading  supplier of  measurement  and
automation  products and solutions to engineers,  scientists  and others in both
T&M and IA  applications.  To achieve this objective,  the Company is pursuing a
strategy that includes the following elements:


     Expand Broad Customer Base

     Serve A Large and Diverse Market.  The Company's  products and services are
designed to serve a broad  customer  base across  many  industries.  The Company
defines product  features and  capabilities by working closely with  technically
sophisticated  customers and seeks to achieve high unit volumes by selling these
same  products  to a large  base  of  customers  with  diverse  measurement  and
automation needs.

     Support Many Computer and Instrument  Options.  The Company diversifies its
customer base by accommodating  many popular computer platforms and a variety of
instrumentation  options. In addition, the Company expects to continue to create
or adapt  products for computer  systems and  instrumentation  options that gain
market acceptance.  Customers are provided a range of price/performance  options
through the Company's extensive line of products.

     Provide  Worldwide  Marketing and  Distribution.  The Company uses multiple
coordinated  distribution  channels  in its major  world  markets.  The  Company
devotes  significant  resources to direct sales  activities in the United States
and in key international  markets. In addition to its direct sales channel,  the
Company's  other  distribution  channels  include  distributors,  OEMs, VARs and
systems integrators and consultants.  By using this broad range of channels, the
Company seeks to develop and maintain relations with its customers and prospects
and to provide the levels of support,  training  and  education  required by the
market.  To address the range of sales  opportunities,  the  Company  expects to
continue to pursue value-added sales channels through formal  relationships with
OEMs, VARs,  consultants or other third parties when such  relationships can add
significant  value to its  products or revenues.  The Company  intends to expand
each of these distribution networks to take advantage of market opportunities.

     Acquire New Technologies.  The Company has in the past acquired  companies,
products,  and  technologies  to augment its product  offerings,  and intends to
continue  to seek  opportunities  to  satisfy  customer  needs and build  market
penetration  through  acquisitions  in the  future.  In  connection  with  these
acquisitions,  the Company has leveraged its  established  sales  channels in an
effort to accelerate the delivery of the acquired product to the market.

     Target Academic Environments. The Company markets and sells its products to
colleges  and  universities,  increasing  the  potential  for  future  growth as
students gain experience  using the Company's  products before entering the work
force.


     Maintain High Levels of Customer Satisfaction

     Offer Innovative Modular and Integrated  Solutions.  The Company intends to
continue to deliver  innovative,  modular software and hardware tools with open,
portable  architectures that can be easily integrated to create  instrumentation
systems and solutions. The Company solicits regular feedback from its customers,
resulting in the addition of new product features and enhanced  performance,  to
help  ensure  that   existing  and  new  products   meet  or  surpass   customer
expectations.

     Provide  Global  Customer  Support and Education.  The Company's  sales and
marketing  engineers  have  the  technical  expertise  necessary  to  understand
customers'  application  needs  and work with  them to  identify  cost-effective
solutions using the virtual  instrumentation  approach.  The Company also offers
comprehensive  customer support,  including technical support via the NI.com Web
site, electronic mail, bulletin boards, fax and telephone, newsletters, warranty
service and repair,  upgrade  programs,  free and paid  seminars  and  technical
classes.  In 2002 the  Company  continued  to  invest  to  leverage  the Web for
customer support.  Through the Company's NI.com Web site,  customers have access
to a growing range of support options to solve their own problems  directly over
the Web, including software downloads, upgrades and bug fixes, automated product
configuration tools, knowledge databases of common questions and answers, online
seminars, live product demonstrations and discussion forums.

     Deliver Long-Term Compatibility.  The Company emphasizes consistency in the
implementation  of its  products  across  different  platforms  and  strives  to
maintain  a high  degree of  backward  compatibility  between  existing  and new
products, engendering a high degree of customer loyalty.


     Leverage External and Internal Technology

     Leverage Generally Available Technology. The Company leverages the research
and  development  efforts of vendors of  personal  computers  and  workstations,
operating  systems,  programming  languages and software  development tools, and
their suppliers. By integrating Web, networking and communications  capabilities
directly in its software and hardware  products,  the Company's  products  allow
users of its virtual  instrument  approach to easily distribute  measurement and
automation  capabilities  throughout  factories  and around  the  world,  easily
integrate  measurement  and automation data throughout  their  organization  and
across the  enterprise  and achieve  advanced  solutions at a lower  development
cost.

     Support Open Architecture on Multiple Platforms. The Company approaches the
market with an open  architecture  so users have the  flexibility to combine the
Company's  products with those from instrument  suppliers,  computer vendors and
competitors.

     Leverage  Core  Technologies.  The  Company  designs  proprietary  ASICs to
optimize  performance and reduce  production  costs.  The Company utilizes these
ASICs and its other  internally  developed  hardware and software  components in
multiple products to achieve consistency and compatibility between products.

     Develop and Support Industry Standards.  The Company actively  participates
in  efforts  to  standardize  key  technologies  by  participating  in  industry
consortia and serving on standards  committees,  such as IEEE 488, VXI,  Compact
PCI, PXI, PICmg, the Interchangeable  Virtual Instrumentation  Foundation,  also
called IVI, Foundation  Fieldbus,  OPC, and ASAM. The Company's ongoing strategy
is to conform its products to  established  and  emerging  standards in both the
general computer and the instrumentation industries.


 Products and Technology

     The  Company  offers  an  extensive  line  of  measurement  and  automation
products.  Engineers,  scientists  and  other  users  involved  in  T&M  and  IA
applications can use these products with computers, networks and the Internet to
develop  customer-defined  virtual instrument solutions.  The Company's products
consist of application  software,  and hardware components together with related
driver  software.  In T&M  applications,  the Company's  products can be used to
monitor  and  control  traditional   instruments  or  to  create  computer-based
instruments  that can replace the traditional  instruments.  In IA applications,
the  Company's  products  can be used in the same ways as in T&M and can also be
used  to   integrate   measurement   functionality   with   process   automation
capabilities.  The  Company's  products  are  designed  to  work  either  in  an
integrated  solution or separately.  The Company  believes that the flexibility,
functionality and ease of use of its application  software promotes sales of the
Company's other software and hardware products.


     Application Software

     The Company believes that  application  software is playing an increasingly
important role in the development of  computer-based  instruments and systems in
measurement  and automation  applications.  The Company's  application  software
products  leverage the  increasing  capability  of  computers,  networks and the
Internet  for  data  analysis,  connectivity  and  presentation  power  to bring
increasing efficiency and precision to measurement and automation  applications.
The Company's application software products include LabVIEW, DIAdem, Measurement
Studio, LabWindows/CVI,  TestStand, Switch Executive, Lookout, Measure, DASYLab,
and VI Logger. The Company's  application  software products are integrated with
the Company's hardware/driver software.

     The  Company   offers  a  variety  of  software   products  for  developing
measurement and automation  applications  to meet the different  programming and
computer preferences of its customers. LabVIEW, LabWindows/CVI,  and Measurement
Studio for Microsoft  development  software are  programming  environments  with
which users can develop  GUIs,  control  instruments  and  acquire,  analyze and
present data.  With these  software  products,  users can design custom  virtual
instruments by creating a GUI on the computer  screen through which they operate
the actual  program and control  selected  hardware.  Users can customize  front
panels  with  knobs,  buttons,  dials and  graphs to emulate  control  panels of
instruments  or add custom  graphics  to  visually  represent  the  control  and
operation of processes. LabVIEW, LabWindows/CVI and Measurement Studio also have
ready-to-use  libraries for controlling  hundreds of  programmable  instruments,
including  serial,  GPIB and VXI, the  Company's  plug-in DAQ boards and PXI/PCI
computer-based instruments. Once created, virtual instruments can be modified or
used as components of another program by the original developer or another user.

     The principal difference between LabVIEW,  LabWindows/CVI,  and Measurement
Studio  is in the way  users  develop  programs.  With  LabVIEW,  users  program
graphically,  developing  application  programs  by  connecting  icons to create
"block   diagrams"  which  are  natural  design  notations  for  scientists  and
engineers.  With  LabWindows/CVI,  users  may  program  with  the  conventional,
text-based  language of C. Measurement  Studio consists of  application-specific
ActiveX controls and C++ classes and libraries that add measurement productivity
to general  purpose  Microsoft  Visual Basic,  Visual C++ and Visual  Studio.NET
development environments.

     The latest  revisions of LabVIEW and Measurement  Studio software  packages
feature  enhanced  capabilities to allow users to more easily  integrate the Web
into their computer-based instrumentation applications.  Measurement Studio 6.0,
a major upgrade,  was  introduced in 2001.  LabVIEW 6.1, which was introduced in
2002, continued to build on the Internet  capabilities of LabVIEW,  allowing the
customer to easily  communicate,  share and control  measurement  and automation
systems and information  with anyone on the Web. In addition,  customers can use
the Internet and Intranets to build  distributed,  networked systems  throughout
their  enterprise.  In 2002, the Company also expanded the  capabilities  of its
LabVIEW  Real  Time  software  product  to  run on the  new  industrial  Compact
FieldPoint   hardware  platform   specially  designed  and  packaged  for  harsh
industrial  or  embedded  environments.  This adds to the  portfolio  of PXI and
FieldPoint  real-time  enabled  hardware  that allow users who have  exceptional
response  requirements  to reliably  execute an expanded  range of  system-level
applications  even if the PC operating system  crashes--solving  a key objection
some  potential  users have had in the past to using PC technology  for embedded
devices or for mission  critical  measurement and automation  applications,  and
extending  the  range  of  applications  for   computer-based   measurement  and
automation.

     The Company also sells a range of optional  add-on products for LabVIEW and
Measurement  Studio,  such as advanced  analysis  libraries,  database tools and
Internet integration,  including the LabVIEW Datalogging and Supervisory Control
Module,  an add-on  module for high channel count  applications  in research and
development and manufacturing. New toolkits introduced in 2002 integrate LabVIEW
software increasingly with design tools used by design engineers,  including the
LabVIEW  Simulation  Interface  Toolkit  and the  LabVIEW  DSP Test  Integration
Toolkit for use with Texas Instruments Code Composer Studio.

     The Company also offers a software  product called  TestStand  targeted for
T&M applications in a manufacturing environment.  TestStand is a test management
environment for organizing,  controlling,  and running automated production test
systems on the factory  floor.  It also  generates  customized  test reports and
integrates product and test data across the customers' enterprise and across the
Internet.  TestStand manages tests that are written in LabVIEW,  LabWindows/CVI,
Measurement  Studio,  C and C++, and  VisualBasic,  so test engineers can easily
share and re-use test code throughout their organization and from one product to
the next.  TestStand is a key element of the  Company's  strategy to broaden the
reach of its application software products across the corporate  enterprise.  In
2001, the Company introduced  TestStand 2.0, a significant  upgrade of TestStand
for high volume  manufacturing  applications.  This  version  allows  testing of
multiple  units in parallel on the same test system by simply adding  additional
measurement and automation hardware. Users can therefore easily scale their test
systems to  increase  throughput  or reduce  test time  without  major  software
changes,  which  lowers the cost to test each unit and  increases  their  profit
margin. In 2002, the Company introduced Switch Executive application software to
simplify  configuration  and  programming  of  switching in  manufacturing  test
systems.  Also in 2002, the Company  introduced  TestStand  2.0.1 which includes
enhancements for tighter integration with Switch Executive.

     The Company's  instrumentation  software  products also include DASYLab and
DIAdem.  DASYLab is a schematic environment by which users can quickly configure
simple DAQ applications using both the Company's and third-party DAQ boards. The
Company  introduced DASYLab 7.0 in 2002 as well as DIAdem 8.1. DIAdem is an easy
to  use,  rapid  development  environment  for  data  acquisition,   monitoring,
visualization,   open  and  closed  loop  control,   analysis,   automation  and
documentation.   DIAdem  features  extensive  off-line  analysis   capabilities,
including  analysis functions specific to automotive test. DIAdem 8.1 integrates
report generation capabilities further with LabVIEW.

     The Company's  Lookout  software  product is targeted  specifically  for IA
applications.  Lookout is a non-programming solution. Lookout is a human machine
interface/supervisory   control  and  data  acquisition  ("HMI/SCADA")  software
product that  requires no  programming  or script  writing.  Lookout  provides a
scalable architecture for applications ranging from HMIs to large, sophisticated
SCADA applications.

     In 2001,  the Company  introduced VI Logger,  a software  product  targeted
specifically  at Data  Logging  applications.  VI Logger is built  with  LabVIEW
technology,  and works with a wide variety of the Company's data acquisition and
signal conditioning hardware products.

     Hardware Products and Related Driver Software

     The Company's  hardware and related driver software  products include GPIB,
VXI, DAQ, PXI, image acquisition, motion control, and industrial communications.
The Company  believes it can deliver  significant  cost/performance  benefits to
users and  distinguish  its  products  from  competitive  products by  designing
proprietary  ASICs  for  use in its  hardware  products.  Software  drivers  are
necessary to link hardware to the operating system and the Company's application
software.  The high level of integration between the Company's products provides
users with the flexibility to mix and match hardware  components when developing
custom virtual instrumentation systems.

     GPIB Interfaces/Driver Software. GPIB, also known as the IEEE 488 standard,
has existed  since 1975 and defines the protocol for  transferring  data between
certain instruments and computers over an industry-standard  cable. The computer
must be equipped with a GPIB interface.  Driver software  controls the interface
and the  transfer  of data  between the  instrument  and the  computer.  GPIB is
largely used in T&M applications.

     The Company began  selling GPIB products in 1977 and is a leading  supplier
of GPIB  interface  boards  and driver  software  to  control  traditional  GPIB
instruments.  These  traditional  instruments  are  manufactured by a variety of
third-party  vendors and are used primarily in T&M  applications.  The Company's
diverse portfolio of hardware and software products for GPIB instrument  control
is available for a wide range of computers,  workstations and minicomputers. The
Company's GPIB product line also includes  products for portable  computers such
as a PCMCIA-GPIB  interface card, and products for controlling  GPIB instruments
using the computer's standard parallel USB, IEEE 1394 (Firewire),  Ethernet, and
serial ports.

     Portability  of GPIB  application  programs is  provided  by the  Company's
NI-488.2  driver  software  and NI-VISA  driver  software.  The  Company  offers
networking  capabilities through its GPIB products.  With these products,  users
can  communicate  with  and  control  GPIB  instruments  from  any  point  on an
Ethernet-based TCP/IP network. The Company also offers a variety of GPIB support
products,  including  converters,  expanders,  extenders,  data buffers and GPIB
system analyzers as well as cables and other accessories.

     VXI Modules/Driver  Software.  VXI is an industry standard  instrumentation
platform developed in 1987 through an industry consortium to reduce the size and
increase the  performance  of  instrumentation  systems for  automated  test and
measurement  applications.  With VXI, the physical  size of multiple  instrument
systems can be decreased and communication between instruments and computers can
be improved relative to rack of box instruments.  Like GPIB, VXI is supported by
a variety of traditional  third-party  instrument  manufacturers  and is largely
used in military and aerospace applications.

     VXI  instruments  are  modular  in  design  and  can be  inserted  into  an
industry-standard  chassis.  Unlike GPIB instruments,  VXI modules do not have a
front  panel for  manual  operation  or  visual  data  presentation.  Therefore,
software  is  necessary  for users to create,  define the  functionality  of and
operate VXI  instrumentation  systems.  Today,  VXI is being used  primarily  to
supplement  or  replace   high-end  GPIB  products  in  military  and  aerospace
applications.

     The Company is a leading supplier of VXI computer  controller  hardware and
the  accompanying  NI-VXI and NI-VISA driver  software.  The Company also offers
LabVIEW, LabWindows/CVI,  Measurement Studio and TestStand software products for
VXI systems.  In 2002, the Company  introduced two new lines of VXI controllers,
the VXI 870B and VXI 770, that offer increased performance and industry standard
operating system support.

     DAQ Hardware/Driver Software. DAQ hardware and driver software products are
"instruments   on  a  board"  that  users  can  combine  with  sensors,   signal
conditioning  hardware and software to acquire analog data and convert it into a
digital  format that can be accepted by a computer.  The Company  believes  that
computer-based DAQ products are typically a lower-cost solution than traditional
instrumentation.

     The  Company  believes  that  applications  suitable  for  automation  with
computer-based DAQ products are widespread throughout many industries,  and that
many systems  currently  using  traditional  instrumentation  (either  manual or
computer-controlled)  could be displaced  by  computer-based  DAQ  systems.  The
Company  offers a range of  computer-based  DAQ products,  including  models for
digital, analog and timing input-output, and for transferring data directly to a
computer's random-access memory.

     The Company's DAQ products  provide a range of  price/performance  options,
and include products for high-speed  applications such as on-line monitoring and
control as well as products designed for long-term  recording of slowly changing
data such as  temperatures.  The Company  also  offers  products  with  features
comparable to stand-alone traditional  instruments such as oscilloscopes,  DMMs,
and  function  and  arbitrary  waveform  generators.   The  Company  offers  DAQ
hardware/driver  software products for numerous desktop and notebook  computers.
The   Company   also   offers   SCXI   (signal   conditioning   extensions   for
instrumentation)  hardware, which expands the types and quantity of sensors that
can be connected to the Company's data acquisition  boards. In 2002, the Company
expanded its DAQ product line with new  low-cost and  high-resolution  hardware,
portable  data  acqusition  solutions  for  laptop  computers,   and  high-speed
simultaneous sampling boards.

     PXI Modular Instrumentation. The Company's PXI modular instrument platform,
which was  introduced in 1997, is a desktop PC packaged in a small,  rugged form
factor  with  expansion  slots  and  instrumentation   extensions.  It  combines
mainstream  PC  software  and  PCI  hardware   with   advanced   instrumentation
capabilities  derived  from  the  VXI  architecture.   In  essence,  PXI  is  an
instrumentation  PC with  plenty of  expansion  slots to enable  the  company to
pursue complete system-level  opportunities and deliver a much higher percentage
of the overall  system  content using the  company's own products.  PXI delivers
many of the  benefits of VXI in a much smaller  package with higher  performance
and at lower prices.  The Company  continues to expand its PXI product offerings
with new modules,  which address a wide variety of  measurement  and  automation
applications.  Following  the  Company's  2001  introduction  of a new family of
embedded PXI controllers that significantly improve the price and performance of
PXI, and upgrade its LabVIEW Real-Time  software so that the PXI system platform
can be used for embedded and real-time applications,  the Company introduced two
highly innovative PXI based products in the third quarter of 2002. Engineers can
reduce the time it takes to make accurate measurements with National Instruments
PXI-4070  FlexDMM -- a full-featured 6 1/2-digit  digital  multimeter (DMM) in a
single-slot  3U PXI  module.  The  National  Instruments  FlexDMM  delivers  the
accuracy of a traditional  6 1/2-digit DMM along with the advanced  features and
throughput of higher  resolution DMMs that cost thousands of dollars more. These
advanced   features   include  a  1.8  MS/s  fully  isolated   digitizer   mode,
self-calibration,  and offset  compensated ohms  measurement.  In addition,  the
Company  introduced the NI PXI-5660 2.7 GHz RF signal  analyzer.  Test engineers
can perform RF measurements up to 200 times faster than before with the National
Instruments  PXI-5660  RF  signal  analyzer.  Its  software-defined  measurement
capabilites and integration with the PXI platform make it competitive for unique
measurements  in  applications  ranging from consumer  electronics  to avionics,
satellite and missile testing.  Additionally, in the fourth quarter of 2002, the
Company introduced the LabVIEW FPGA Pioneer system, a kit that enables customers
to  configure  the  hardware  logic  on  a  reconfigurable  PXI  module  through
innovative graphical software.  This kit provides an off-the-shelf  solution for
many  real-time  and  embedded  applications  that  previously  required  custom
hardware. PXI also continues to gain acceptance,  with endorsements from over 50
suppliers.  The number of unique PXI modules for T&M applications  grew from 600
to over 880 modules in 2002.

     Machine Vision/Image Acquisition.  In late 1996, the Company introduced its
first image acquisition hardware. With the advanced technologies in PC's and the
Company's  vision  products,  it is  cost-effective  for  end-users to integrate
vision into their measurement and automation applications.  The Company's vision
software  is  designed  to  work  with  many  different  software  environments,
including LabVIEW,  LabWindows/CVI,  Visual Basic, C, and Measurement Studio and
hardware buses  including PCI and PXI.  Vision is commonly used in  applications
ranging  from  quality  control of  manufactured  products  to  biomedical  cell
counting to security.  In 2002, the Company expanded its software  offering with
new  easy-to-use  menu  driven  machine  vision  software  that  can  run  as  a
stand-alone  vision  system.  The new software can also  generate  LabVIEW code.
Users can easily modify the LabVIEW code to create custom applications.

     Motion  Control.  During  1997,  the Company  introduced  its first line of
motion control  hardware,  software and peripheral  products.  This  intelligent
PC-based  motion  control  hardware  is  programmable   from  industry  standard
development  environments  including  LabVIEW,  LabWindows/CVI  and  Measurement
Studio.  The Company's  software tools for motion are easily integrated with the
Company's  other  product  lines,  allowing  motion to be  combined  with  image
acquisition,  test, measurement,  data acquisition and automation. The Company's
computer-based  motion  products allow users to leverage  standard  hardware and
software in measurement and automation  applications to create robust,  flexible
solutions.  In 2002, the Company  introduced new low cost motion controllers for
stepper   motors,   developed  a  program   for   third-party   companies   with
complimentarary  products,  and released new  software  for  interactive  motion
control which simplifies motion control application development.

     Industrial  Communications  Interfaces.  In  mid-1995,  the  Company  began
shipping its first interface boards for communicating with serial devices,  such
as dataloggers and PLCs targeted for IA applications,  and benchtop instruments,
such as oscilloscopes,  targeted for T&M applications.  Industrial  applications
need  the  same  high-quality,  easy-to-use  hardware  and  software  tools  for
communicating  with industrial  devices such as process  instrumentation,  PLCs,
single-loop  controllers,  and a  variety  of  I/O  and  DAQ  devices.  National
Instruments   offers  four  hardware  and  driver  software  product  lines  for
communication with industrial devices--Controller Area Network (CAN), DeviceNet,
Foundation   Fieldbus,   and  RS-485  and  RS-232.   The  Company's   industrial
communication  products  are  designed  to work with  standard  serial  software
drivers, and Windows versions of LabVIEW, LabWindows/CVI and Measurement Studio.

     Distributed  I/O  and  Embedded  Control  Hardware/Software.   The  Company
introduced its FieldPoint  product for distributed I/O applications in mid-1997.
FieldPoint  is an  intelligent,  distributed,  and modular I/O system that gives
industrial  system  developers  an  economical  solution  for  distributed  data
acquisition, monitoring and control applications. Suitable for direct connection
to industrial  signals,  FieldPoint includes a wide array of rugged and isolated
analog and digital I/O modules,  terminal  base  options,  and network  modules.
FieldPoint software provides seamless integration into the LabVIEW Real-Time and
LabVIEW  Datalogging  and  Supervisory  Control  Modules,  driver  libraries for
support under LabVIEW,  LabWindows/CVI,  Measurement Studio and Lookout,  and an
OPC server that provides wide  compatibility  of FieldPoint  hardware with other
industrial automation software packages. The FieldPoint 2000 family of real-time
network control modules, which were introduced in 2001, enable LabVIEW Real-Time
users to download  their  LabVIEW code and easily  create  networked  systems of
intelligent, real-time nodes for embedded measurement and control. In the fourth
quarter of 2002, the Company  launched  Compact  FieldPoint,  a new  intelligent
distributed  I/O product  line with 23 new  measurent  and  automation  modules.
Compact  FieldPoint  extends  NI's  hardware  and  LabVIEW  Real-time  into  new
industrial control,  process monitoring,  and embedded machine applications that
require  intellignet  I/O products  with a small form factor,  a wide  operating
temperature, and resistance to shock and vibration.


     Customer Training Courses

     The Company offers fee-based  training  classes and self-paced  course kits
for many of its software and hardware  products.  On-site courses are quoted per
customer requests.  The Company also offers programs to certify  programmers and
instructors for its products.

Markets and Applications

     The  Company's  products  are used across many  industries  in a variety of
applications from research and development to production  testing and industrial
control.  The following  industries and applications are served worldwide by the
Company:  advanced research,  automotive,  commercial  aerospace,  computers and
electronics,  continuous process manufacturing,  education,  government/defense,
medical research/pharmaceutical,  power/energy,  semiconductors,  automated test
equipment, telecommunications and others.

Customers

     The Company has a broad customer base, with no customer accounting for more
than 3% of the Company's sales in 2002, 2001, or 2000.


Marketing

     Through its worldwide  marketing  efforts,  the Company  strives to educate
engineers  and   scientists   about  the  benefits  of  the  Company's   virtual
instrumentation  philosophy,  products  and  technology,  and to  highlight  the
performance,  ease of use and cost advantages of its products.  The Company also
seeks to present its  position as a  technological  leader  among  producers  of
instrumentation  software and hardware and to help promulgate industry standards
that will benefit users of computer-based instrumentation.

     The Company reaches its intended audience through its Web site at NI.com as
well  as  the  distribution  of  written  and  electronic   materials  including
demonstration versions of its software products, participation in tradeshows and
technical conferences and training and user seminars. An in-house staff develops
the NI.com Web site, advertising,  publicity, and promotional materials that the
Company uses worldwide.  The primary  marketing/sales  tool is the Company's Web
site  at  NI.com.   Throughout  2000,  2001,  and  2002,  the  Company  invested
aggressively to enhance the content, performance, and features of NI.com as well
as to integrate  E-commerce as a core component of the Company's business model.
Through  NI.com,  customers can view the  Company's  complete  on-line  catalog,
participate  in on-line  seminars and  demonstrations,  interactively  configure
systems,  obtain  pricing in a number of  currencies,  place  orders,  track the
status of orders,  register products and obtain software  upgrades.  The Company
believes its direct  business model provides the opportunity to leverage the Web
heavily to reach customers and improve operations.

     The  primary  printed   marketing/sales  tool  is  the  Company's  catalog,
published annually and distributed  worldwide.  The catalog is approximately 800
pages,  with  detailed  tutorial  information  that  educates  readers about the
Company's integrated product architecture and virtual  instrumentation  concept.
Short-form  versions of the catalog are typically also available in languages of
major international markets, including French, German, Spanish and Japanese.

     The  Company  also  uses  quarterly  newsletters  to  educate  current  and
prospective  customers about its products and  technologies.  These  newsletters
include new product information, feature articles that educate readers about new
instrumentation   technology,   user   solution   case  studies  of   real-world
applications,  product news from Alliance Program members and key customers, and
event and customer education schedules. These newsletters are available in print
form and via email subscription.  There are also many books available on virtual
instrumentation   products  in  English,  German,  French,  Japanese  and  other
languages.

     The Company actively markets its products in higher education environments,
and identifies many colleges,  universities  and trade and technical  schools as
key accounts. The Company offers special academic pricing and products to enable
universities to utilize Company products in their classes and laboratories.  The
Company  believes its prominence in the higher  education area can contribute to
its future success because students gain experience using the Company's products
before they enter the work force.


 Sales and Distribution

     The Company  distributes  its  software  and  hardware  products  primarily
through  a  direct  sales  organization.   The  Company  also  uses  independent
distributors,  OEMs,  VARs,  system  integrators  and  consultants to market its
products.  The Company has sales  offices in the United States and sales offices
and distributors in key  international  markets.  Sales outside of North America
accounted for approximately 50%, 49%, and 47% of the Company's revenues in 2002,
2001, and 2000, respectively.  The Company expects that a significant portion of
its total  revenues will continue to be derived from  international  sales.  See
Note 12 of Notes to Consolidated Financial Statements for details concerning the
geographic   breakdown  of  the  Company's  net  sales,   operating  income  and
identifiable assets.

     Through all of its sales channels,  the Company seeks to approach potential
customers with a highly  technical  sales force.  The Company  believes that the
majority of sales are made directly to those persons within an organization  who
actually use the Company's products to integrate their own systems.  The Company
identifies and targets major end-user accounts as those having a large number of
actual or potential  end users,  and  believes  that it achieves a high level of
repeat  customer  sales.  The Company  targets major  accounts with a variety of
targeted  sales  and  marketing   campaigns  such  as  seminars,   user  groups,
newsletters and direct mail.

     Throughout 2002, the Company continued to invest  aggressively to integrate
the Web as a core  component  of its direct sales  model.  The Company  provides
worldwide  on-line  pricing  for  products  in a number  of  currencies,  allows
customers  to order the  complete  catalog of products  via the Web,  provides a
variety of Web-based seminars,  demonstrations, and configuration tools to allow
customers to more easily select and order multiple compatible products for their
systems, and offers Prime Access business-to-business  capabilities to allow key
customers to conduct business directly with the Company through secure,  private
pages at NI.com.


     Direct Sales

     The Company directly markets and sells its products in the Americas, Europe
and Asia. The Company has sales offices located throughout the United States and
in key international markets. Many of the Company's  international sales offices
employ application  engineering  technical support specialists as well as sales,
marketing and administrative personnel.

     The Company's  international sales are subject to inherent risks, including
fluctuations in local  economies;  difficulties in staffing and managing foreign
operations;  greater  difficulty in accounts  receivable  collection;  costs and
risks of  localizing  products  for  foreign  countries;  unexpected  changes in
regulatory requirements,  tariffs and other trade barriers,  difficulties in the
repatriation of earnings and burdens of complying with a wide variety of foreign
laws.  The Company's  sales outside of North  America are  denominated  in local
currencies, and accordingly, the Company is subject to the risks associated with
fluctuations  in currency  rates.  In particular,  increases in the value of the
dollar  against  foreign  currencies  decrease the dollar value of foreign sales
requiring the Company either to increase its price in the local currency,  which
could render the Company's product prices  noncompetitive,  or to suffer reduced
revenues  and  gross  margins  as  measured  in US  dollars.  See  "Management's
Discussion and Analysis of Financial  Condition and Results of  Operations"  and
Note 11 of Notes to Consolidated Financial Statements.


     Distributors

     The  Company  utilizes  distributors  primarily  to market its  products in
geographic  areas  not  served  by  the  Company's  direct  sales  organization.
Generally,  the Company's  indirect sales customers do not maintain  significant
inventory levels.


     OEMs

     The  Company  utilizes  OEMs  customers  such  as  traditional   instrument
manufacturers  and automatic test equipment (ATE) system suppliers who offer for
sale  systems,  fully  integrated  by  the  OEM  customer,  containing  embedded
components of various  companies,  including National  Instruments.  The Company
approaches  OEM accounts  with its standard  product  lines and offers  quantity
discounts based on volume  commitments and technical  support  capabilities  and
requirements.  The Company also promotes its sales and marketing capabilities to
its OEM  customers by providing  specialized  product  training,  documentation,
packaging and part numbers to simplify ordering,  flexible shipping and warranty
repair options and joint promotion.


     VARs, System Integrators and Consultants

     The Company has relationships with third-party VARs, system integrators and
consultants who offer add-on  products and system  integration  services.  These
third-party  developers  expand the Company's market and sales  opportunities by
adding  value to the  Company's  standard  products,  making them  suitable  for
vertical  market   applications  such  as  manufacturing   automation  or  image
processing   and   analysis.   The  Company   maintains  a  formal   third-party
sales/marketing/training  program, called the Alliance Program, which it uses to
work with many of the VARs, system integrators and consultants.  Applicants must
be sponsored  for  membership by a Company sales  engineer,  pass  qualification
criteria  and pay a nominal  annual  membership  fee. In late 1998,  the Company
introduced an elite level of its Alliance  Program  called  Select  Integrators.
Select  Integrators  must  qualify  for the  program  based upon their  level of
business with the Company and  beginning in 2002,  new Select  Integrators  must
pass the CSIA  (Control  System  Integrators  Association)  Best  Practices  and
Benchmarks  audit. As of December 31, 2002, the Company's  Alliance  Program had
approximately 562 members including 15 Select Integrators. The Company publishes
on-line  directories  on its NI.com  Web site of  third-party  Alliance  Program
member  products  and  services  for use by its sales force and its end users to
locate  additional  products  and/or  services  compatible  with  the  Company's
products. The Company makes available to qualified third parties the opportunity
to  participate  in joint  marketing  and sales  programs,  such as trade shows,
customer  sales  events  and  the  Company's  newsletters.  In  addition  to its
relationships  with  third-party VAR, system  integrators and  consultants,  the
Company has a direct presence in the German systems integration market.


 Customer Support

     The  Company  believes  the  ability to provide  comprehensive  service and
support to its  customers is an important  factor in its  business.  The Company
permits customers to return products within 30 days from receipt for a refund of
the purchase price less a restocking  charge,  and generally provides a two-year
warranty  on GPIB  hardware  products,  a one-year  warranty  on other  hardware
products,  and a 90-day warranty on cables and software (medium only). Customers
may  also  purchase  a  one-year   extended   warranty  on  hardware   products.
Historically, warranty costs have not been material. Some of the key elements of
the Company's service and support strategy include:


     Customer Technical Support

     The Company maintains a large staff of application  engineers,  all of whom
are  highly  qualified  technical  professionals.  These  application  engineers
provide customer support by telephone,  fax,  electronic mail and world-wide Web
forums, and electronic bulletin boards, and are trained in both  instrumentation
and computer  technology.  In 2002,  the Company  continued to invest heavily to
leverage the Web for customer  support.  Through the Company's  NI.com web site,
customers  have access to a growing range of support  options to solve their own
problems directly over the Web, including software  downloads,  upgrades and bug
fixes,  automated product  configuration  tools,  knowledge  databases of common
questions and answers, live product demonstrations,  and discussion forums. As a
result of the Company's commitment to the Web, in 2002, the Company's NI.com web
site  was  awarded  one of  the  "Ten  Best  Web  Support  Sites"  according  to
Association  of  Support  Professionals  for the  second  consecutive  year  and
customers were able to request technical support in 12 different languages.


     Upgrades

     The Company  typically  offers  programs in which  existing  customers  can
upgrade to the latest Company products for an upgrade fee.  Application software
customers  have the option of purchasing a one-year  renewable  maintenance  and
support  program,  which  entitles  them to  unspecified  software  upgrades and
priority access to the Company's technical support hotline.


     Customer Education

     The Company offers a variety of fee-based training classes ranging in scope
from  basic and  introductory  courses  for new users to  advanced  courses  for
experienced users.


 Competition

     The  markets in which the Company  operates  are  characterized  by intense
competition  from  numerous  competitors,  some of which are  divisions of large
corporations  having far greater  resources  than the  Company,  and the Company
expects to face further  competition  from new market entrants in the future.  A
key competitor is Agilent  Technologies Inc.  ("Agilent").  The Company believes
Agilent is the  dominant  supplier of GPIB and  VXI-compatible  instruments  and
systems.  Agilent  is  also  a  leading  supplier  of  equipment  used  in  data
acquisition  and  control  applications.  Agilent  offers  its own  line of GPIB
instrument  controllers,  as well as hardware and software  add-on  products for
third-party  desktop  computers and workstations  that directly compete with the
Company's  products.  Agilent is  aggressively  advertising  and  marketing  its
products and system integration services.  Because of Agilent's dominance in the
instrumentation business, changes in its marketing strategy or product offerings
could have a material  adverse  affect on the  Company.  The Company  also faces
competition from a variety of other competitors.

     Certain  of  the  Company's   competitors  have   substantial   competitive
advantages  in terms of breadth of  technology,  sales,  marketing  and  support
capability and resources,  including the number of sales and technical personnel
and their  ability to cover a  geographic  area and/or  particular  account more
extensively  and with more complete  solutions  than the Company can offer,  and
more extensive  warranty support,  system  integration and service  capabilities
than those of the Company.  In addition,  large competitors can often enter into
strategic alliances with key customers or target accounts of the Company,  which
can  potentially  have a negative  impact on the  Company's  success  with those
accounts.

     The  Company  believes  its  ability to compete  successfully  depends on a
number of factors  both  within and  outside  its  control,  including:  product
pricing, quality and performance;  success in developing new products;  adequate
manufacturing  capacity and supply of components  and  materials;  efficiency of
manufacturing  operations;  effectiveness  of sales and marketing  resources and
strategies;  success in leveraging the Web;  strategic  relationships with other
suppliers;   timing  of  new  product   introductions  by  the  Company  or  its
competitors;   protection  of  the  Company's   products  by  effective  use  of
intellectual  property laws; general market and economic conditions;  and events
related to weather and government  actions throughout the world. There can be no
assurance that the Company will be able to compete successfully in the future.


 Research and Development

     The Company  believes  that its  long-term  growth and  success  depends on
delivering high quality  software and hardware  products on a timely basis.  The
Company  intends to focus its  research  and  development  efforts on  enhancing
existing  products and  developing  new products  that  incorporate  appropriate
features and  functionality  to be  competitive  with respect to technology  and
price/performance.

     The Company's  research and development staff strives to build quality into
products  at the design  stage in an effort to reduce  overall  development  and
manufacturing  costs. The Company's  research and development staff also designs
proprietary  ASICs, many of which are designed for use in several products.  The
goal of the ASIC  design  program  is to  further  differentiate  the  Company's
products from competing  products,  to improve  manufacturability  and to reduce
costs.  The  Company  seeks to reduce  the time to market  for new and  enhanced
products by sharing its internally  developed  hardware and software  components
across multiple products.

     In  the  past,  the  Company  has  experienced  significant  delays  in the
introduction  of new  products.  The Company's  strategy of developing  products
which  depend  upon  third  parties'  commercially   available  technologies  is
substantially  dependent on the third parties  willingness to grant  pre-release
access to, and the Company's ability to develop expertise in, current and future
product  developments of such third parties.  There can be no assurance that the
Company  will  continue  to receive  such  pre-release  access from any of these
companies,  or, even with such access,  that the Company will be able to develop
products on a timely basis that are compatible with future releases.

     The Company has implemented  certain  programs,  including  pre-release bug
analysis measures and enhanced project-tracking efforts, in order to improve the
product  development  process and to permit more  accurate  product  development
scheduling.  Nonetheless,  there can be no assurance that the Company's research
and development  efforts will not encounter delays or other  difficulties,  that
development efforts will result in commercially successful products, or that the
Company's  products will not be rendered obsolete by changing  technology or new
product announcements by other companies.

     As of  December  31,  2002,  the  Company  employed  791  people in product
research and development.  The Company's research and development  expenses were
$64.0  million,  $60.7  million,  and $56.0  million for 2002,  2001,  and 2000,
respectively.


 Intellectual Property

     The Company relies on a combination of patent, trade secret,  copyright and
trademark  law,  contracts and  technical  measures to establish and protect its
proprietary  rights in its products.  As of December 31, 2002,  the Company held
178 United  States  patents  (173  utility  patents and 5 design  patents) and 8
patents  in  foreign  countries  (5  patents  registered  in Europe  in  various
countries;  1 patent in  Canada;  and 2 patents  in  Japan),  and had 230 patent
applications  pending in the United States and foreign countries.  Forty of such
issued United States patents are software patents related to LabVIEW,  and cover
fundamental aspects of the graphical  programming  approach used in LabVIEW. The
Company's  patents  expire from 2007 to 2020. No assurance can be given that the
Company's  pending patent  applications  will result in the issuance of patents.
The Company also owns certain  registered  trademarks  in the United  States and
abroad.

     Although the Company  relies to some extent on trade secret  protection for
much of its technology,  and regularly obtains  confidentiality  agreements with
key  customers  who wish to know more about the  Company's  product  development
philosophy  and/or  future  directions,  there can be no  assurance  that  third
parties will not either  independently  develop the same or similar  technology,
obtain unauthorized access to the Company's proprietary technology or misuse the
technology to which the Company has granted access.

     The laws of certain  foreign  countries treat the protection of proprietary
rights of the  Company  in its  products  differently  from  those in the United
States, and in many cases the protection afforded by such foreign laws is not as
strong as in the United States. The Company believes that its products and their
use do not infringe the  proprietary  rights of third  parties.  There can be no
assurance, however, that infringement claims will not successfully be made.


 Manufacturing and Suppliers

     The Company  manufactures  a  substantial  majority of its  products at its
facilities  in  Austin,  Texas  and  Debrecen,  Hungary.  Product  manufacturing
operations  at the Company can be divided  into four areas:  electronic  circuit
card and module assembly; cable assembly;  technical manuals and product support
documentation;  and software  duplication.  The Company manufactures most of the
electronic circuit card assemblies and modules in-house, although subcontractors
are used from time to time.  The  Company  manufactures  some of its  electronic
cable assemblies  in-house,  but many assemblies are produced by subcontractors.
The  Company  primarily  subcontracts  its  software  duplication.  Reliance  on
contract  manufacturers  entails  risks of  quality  problems,  less  control of
product  pricing,  and  potential  unavailability  of or delays in  delivery  of
products,  any of which could have a material  adverse  effect on the  Company's
results of operations. Although the Company attempts to maintain adequate safety
stock of  critical  inventory  components,  there can be no  assurance  that the
Company,  together with its third-party  manufacturers,  will be able to produce
sufficient quantities of the Company's products in a timely manner.

     The Company has implemented a customer focused quality system that involves
all  organizations.  The Company's  products are designed and tested in a formal
development  process  and are  controlled  in  manufacturing  and  distribution.
Additionally,  the  Company  is  committed  to  continuous  improvement  of  the
Company's  products,  services  and  processes  to  assure  long  term  customer
satisfaction.

     During 2001, the Company completed a manufacturing facility in Hungary. The
Hungarian  operation  is the  Company's  second  manufacturing  facility and was
expanded in 2002 to add a second Surface Mount Line, a Mechanical  Assembly Line
and a Through-Hole  Production Line. The Company estimates that in 2003 products
manufactured at its Hungarian  manufacturing  facility will source a significant
portion of the Company's  global  sales.  Any delay in bringing this facility to
maximum capacity could have a material  adverse effect on the Company's  results
of operations.

     The  marketplace  dictates that many of the  Company's  products be shipped
very  quickly  after  an  order  is  received.  Since  purchased  component  and
manufacturing  lead  times  are  typically  much  longer  than the  short  order
fulfillment  time, the Company is required to keep adequate  amounts of finished
goods inventory and must use an accurate system for forecasting demand for those
products in its production planning  operations.  Fluctuations in demand for the
Company's  products  typically  result  from  month-to-month  variations  in the
quantity and mix of products and from normal, seasonal variations.  A variety of
circumstances,   including   inaccurate   forecasts  of  customer  demand,  poor
availability of purchased  components,  supplier  quality  problems,  production
equipment problems, transport disruptions or damage to products in manufacturing
operations,  could create a buildup of excess  finished goods on the one hand or
an  inability  to  timely  deliver  product  on  the  other.  See  "Management's
Discussion and Analysis of Financial Condition and Results of Operations."

     Engineering refinements to the Company's new hardware and software products
are  fairly  common.   These  changes  can  result  in  the  disruption  of  the
manufacturing  operation and concurrent delays in delivery dates. Finished goods
inventory at the Company's international warehouses and branches typically has a
short shelf life due to engineering  changes and product  upgrades  initiated by
the Company's product development  operation,  and, if managed incorrectly,  can
result in significant  quantities of obsolete  inventory.  This relatively short
shelf life,  and the resulting  requirement  to properly  manage the quantity of
inventory to meet customer demand while minimizing inventory  obsolescence,  has
been and continues to be a challenge to the Company and its branch offices.  See
"Management's  Discussion  and  Analysis of Financial  Condition  and Results of
Operations."

     The  Company  obtains  most of its  electronic  components  from  suppliers
located  principally  in the  United  States  and Asia.  Some of the  components
purchased by the Company,  including ASICs, are sole-sourced.  Any disruption of
the Company's  supply of sole or limited source  components,  whether  resulting
from business demand, quality,  production or delivery problems, could adversely
affect the Company's  ability to manufacture  its products,  which could in turn
adversely  affect  the  Company's  business  and  results  of  operations.   See
"Managements  Discussion  and  Analysis of  Financial  Condition  and Results of
Operations."


     Backlog

     The Company  typically ships products  shortly  following the receipt of an
order. Accordingly, the Company's backlog typically represents less than 10 days
sales. Backlog should not be viewed as an indicator of future sales.


 Employees

     As of December 31, 2002,  the Company had 3,008  employees,  (excluding 138
part-time  employees,   interns  and  co-ops)  including  791  in  research  and
development,  1,387  in  sales  and  marketing  and  customer  support,  483  in
manufacturing  and 347 in  administration  and  finance.  None of the  Company's
employees are represented by a labor union and the Company has never experienced
a work stoppage.  The Company  considers its employee  relations to be good. For
four consecutive  years,  1999, 2000, 2001, and 2002, the Company has been named
among  the 100  Best  Companies  to Work for in  America  according  to  FORTUNE
magazine.

 Available information

     Our Internet  website  address is  http://www.ni.com.  Our annual report on
Form  10-K,  quarterly  reports on Form  10-Q,  current  reports on Form 8-K and
amendments  to those  reports  filed or furnished  pursuant to Section  13(a) or
15(d) of the Securities  Exchange Act of 1934 are available through our Internet
website as soon as  reasonably  practicable  after we  electronically  file such
material  with,  or  furnish  it to,  the  SEC.  Our  Internet  website  and the
information  contained  therein or  connected  thereto  are not  intended  to be
incorporated into this Annual Report on Form 10-K.


ITEM 2. PROPERTIES


     The Company's  principal  activities  are conducted at three  Company-owned
buildings in Austin,  Texas. The Company owns  approximately 69 acres of land in
north  Austin,  Texas,  on which are a 232,000  square foot office  facility,  a
140,000 square foot  manufacturing and office facility,  and a newly constructed
380,000 square foot research and development  facility.  The Company also owns a
136,000 square foot office building in Austin,  Texas which is partially  leased
to three  tenants.  The Company  also owns a 148,000  square foot  manufacturing
facility  in  Debrecen,  Hungary.  The  Company's  German  subsidiary,  National
Instruments  Engineering GmbH & Co. KG owns a 25,500 square foot office building
in Aachen, Germany in which a majority of its activities are conducted. National
Instruments  Engineering  also owns another 19,375 square foot office  building,
which is partially leased to BMS Modern Games and Klocke Nanotech.


     As of December  31,  2002,  the  Company  also leased a number of sales and
support offices in the United States and overseas.  The Company's facilities are
currently  utilized below design maximum  capacity to allow for headcount growth
and  design/construction  cycles.  The Company believes existing  facilities are
adequate to meet its current requirements.


ITEM 3. LEGAL PROCEEDINGS

     During 2001, the Company filed a complaint in U.S. District Court,  Western
District of Texas (Midland  Division) for  declaratory  judgment  arising from a
controversy between the Company and General Patent  Corporation,  General Patent
Corporation   International,   and  Acticon  Technologies,   LLC  ("Defendants")
concerning the enforceability,  validity, and infringement of certain patents in
which  Defendants  claim  an  interest.  Defendants  claimed  that  the  Company
infringed these patents.  The Company challenged the validity and enforceability
of these  patents and  asserted  that it does not  infringe  the claims of these
patents.   The  Company   sought  a  declaratory   judgment  of  invalidity  and
non-infringement. Defendants sought damages in an unspecified amount, injunction
of the sale of certain products of the Company and attorney's fees and costs. On
April 16, 2002, the case was dismissed by stipulation of the parties.

     The Company has filed two complaints in the U.S.  District  Court,  Eastern
District of Texas (Marshall Division) against The MathWorks,  Inc. ("Defendant")
for patent  infringement.  In the first  complaint,  filed January 25, 2001, the
Company  claims  that the  Defendant  infringes  certain of the  Company's  U.S.
patents.  The  Defendant  challenges  the validity and  enforceability  of these
patents and asserts that it does not infringe the claims of these patents. Trial
on the first case began January 13, 2003, and is currently pending.  The Company
expects a jury  verdict by the end of  January  2003.  In the second  complaint,
filed October 21, 2002, the Company claims that the Defendant  infringes certain
other of the Company's  U.S.  patents.  In each case, the Company seeks monetary
damages and  injunction of the sale of certain  products of the  Defendant.  The
Company  also  seeks  attorney's  fees and costs in the  second  case.  For both
complaints,  the Company  expects to incur legal  expenses of  approximately  $2
million during the first quarter of 2003. Due to the inherent  uncertainties  of
litigation,  there may be significant  changes in the amount and timing of these
expected expenses.


ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

     No matter was  submitted  to a vote of security  holders  during the fourth
quarter of the fiscal year covered by this report.






                                     PART II

ITEM 5.  MARKET  FOR THE  REGISTRANT'S  COMMON  EQUITY AND  RELATED  STOCKHOLDER
         MATTERS

     The Company's  Common Stock,  $0.01 par value,  began trading on the Nasdaq
National  Market under the symbol NATI effective  March 13, 1995.  Prior to that
date,  there was no public market for the Common Stock. The high and low closing
prices for the Common  Stock,  as reported by Nasdaq,  are as  indicated  in the
following table.

                                                                 High    Low
       2002
       First Quarter 2002...................................... $42.62 $34.12
       Second Quarter 2002.....................................  41.75  30.21
       Third Quarter 2002......................................  31.50  21.56
       Fourth Quarter 2002.....................................  36.46  20.00

                                                                 High    Low
       2001
       First Quarter 2001...................................... $56.125 $31.563
       Second Quarter 2001.....................................  38.14   26.688
       Third Quarter 2001......................................  38.80   26.00
       Fourth Quarter 2001.....................................  39.70   25.37

     At the close of business on January 16, 2003, there were  approximately 637
holders of record of the Common Stock and approximately  12,679  shareholders of
beneficial interest.

     The Company believes  factors such as quarterly  fluctuations in results of
operations,  announcements  by the  Company  or its  competitors,  technological
innovations, new product introductions,  governmental regulations, litigation or
changes in  earnings  estimates  by analysts  may cause the market  price of the
Common Stock to fluctuate, perhaps substantially.  In addition, stock prices for
many technology  companies fluctuate widely for reasons that may be unrelated to
their  operating  results.  These broad  market and  industry  fluctuations  may
adversely affect the market price of the Company's Common Stock.

     To date,  the Company has not paid any cash  dividends on its Common Stock.
While the Company currently does not anticipate paying any cash dividends in the
immediate  future;  the  Company  plans to review  its  dividend  policy  should
President  Bush's proposal to completely  eliminate double taxation of dividends
become law.

     See Item 12 for information  regarding  securities  authorized for issuance
under equity compensation plans.


ITEM 6. SELECTED CONSOLIDATED FINANCIAL DATA

     The  following  selected  consolidated  financial  data  should  be read in
conjunction with the consolidated  financial statements,  including the Notes to
Consolidated  Financial  Statements.  The  information  set  forth  below is not
necessarily  indicative of results of future operations.  The information should
be read in conjunction with  "Management's  Discussion and Analysis of Financial
Condition and Results of Operations."




                                                              Years Ended December 31,
                                                    2002      2001      2000      1999      1998
                                                  --------  --------  --------  --------  --------
                                                       (in thousands, except per share data)
                                                                           
Statements of Income Data:
Net sales:
  North America.................................. $195,770  $195,842  $215,960  $175,873  $153,435
  Europe.........................................  122,800   128,523   133,799   108,801    86,961
  Asia Pacific...................................   72,220    60,910    60,390    44,909    33,834
                                                  --------  --------  --------  --------  --------
  Consolidated net sales.........................  390,790   385,275   410,149   329,583   274,230
Cost of sales....................................  105,086   101,297    98,326    76,040    65,187
                                                  --------  --------  --------  --------  --------
  Gross profit...................................  285,704   283,978   311,823   253,543   209,043
                                                  --------  --------  --------  --------  --------
Operating expenses:
  Sales and marketing............................  145,671   145,555   147,377   120,886   100,783
  Research and development.......................   63,964    60,745    55,954    45,531    34,757
  General and administrative.....................   35,714    29,234    32,077    24,258    20,455
                                                  --------  --------  --------  --------  --------
   Total operating expenses......................  245,349   235,534   235,408   190,675   155,995
   Operating income..............................   40,355    48,444    76,415    62,868    53,048
Other income (expense):
  Interest income................................    3,295     5,837     6,390     4,759     3,439
  Interest expense...............................     (128)      (26)     (533)     (404)     (463)
  Net foreign exchange gain (loss) and other.....       96      (722)   (1,159)      130      (224)
                                                  --------  --------  --------  --------  --------
Income before income taxes and cumulative effect
of accounting change.............................   43,618    53,533    81,113    67,353    55,800
Provision for income taxes.......................   12,213    17,131    25,956    21,553    18,414
                                                  --------  --------  --------  --------  --------
Income before cumulative effect of accounting
change...........................................   31,405    36,402    55,157    45,800    37,386
Cumulative effect of accounting change,
net of tax.......................................       --        --        --      (552)       --
                                                  --------  --------  --------  --------  --------
    Net income................................... $ 31,405  $ 36,402  $ 55,157  $ 45,248  $ 37,386
                                                  ========  ========  ========  ========  ========
Basic earnings per share:
  Income before cumulative effect of accounting
  change......................................... $   0.61  $   0.72  $   1.10  $   0.92  $   0.76
  Cumulative effect of accounting change, net
  of tax.........................................       --        --        --     (0.01)       --
                                                  --------  --------  --------  --------  --------
  Basic earnings per share....................... $   0.61  $   0.72  $   1.10  $   0.91  $   0.76
                                                  ========  ========  ========  ========  ========
Diluted earnings per share:
  Income before cumulative effect of accounting
  change......................................... $   0.59  $   0.68  $   1.03  $   0.88  $   0.73
  Cumulative effect of accounting change, net
  of tax.........................................       --        --        --     (0.01)       --
                                                  --------  --------  --------  --------  --------
  Diluted earnings per share..................... $   0.59  $   0.68  $   1.03  $   0.87  $   0.73
                                                  ========  ========  ========  ========  ========
Weighted average shares outstanding:
  Basic..........................................   51,219    50,910    50,332    49,776    49,248
  Diluted........................................   53,411    53,651    53,564    52,203    51,150




                                                                     December 31,
                                                    2002      2001      2000      1999      1998
                                                  --------  --------  --------  --------  --------
                                                                    (in thousands)
                                                                           
Balance Sheet Data:
Cash and cash equivalents........................ $ 40,240  $ 49,089  $ 75,277  $ 45,309  $ 51,538
Short-term investments...........................  113,638   101,422    79,525    83,525    49,158
Working capital..................................  211,453   209,836   220,208   173,761   133,510
Total assets.....................................  458,714   424,619   389,350   318,753   249,786
Long-term debt, net of current portion...........       --        --        --     4,301     4,379
Total stockholders' equity.......................  386,463   366,164   321,023   254,235   204,184



ITEM 7. MANAGEMENT'S  DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
        OF OPERATIONS

     The following "Management's  Discussion and Analysis of Financial Condition
and  Results  of  Operations:   contains  certain  forward-looking   statements,
including statements regarding our financial  performance.  These statements are
subject  to  risks  and  uncertainties.  We  use  words  such  as  "anticipate,"
"believe,"  "plan,"  "expect,"  "future,"  "intend" and similar  expressions  to
identify forward-looking  statements. Our actual results could differ materially
from the results anticipated in these forward-looking statements. As a result of
certain factors  including those set forth under the heading "Factors  affecting
the Company's  Business" beginning on page 27, and elsewhere in this Form 10-K.
Although  we believe  that the  expectations  reflected  in the  forward-looking
statements  are  reasonable,  we  cannot  guarantee  future  results,  levels of
activity,  performance or  achievements.  You should not place undue reliance on
these  forward-looking   statements.   We  disclaim  any  obligation  to  update
information contained in any forward-looking statement.

 Overview

     National   Instruments   designs,   develops,   manufactures   and  markets
instrumentation  and  automation  software and hardware for general  commercial,
industrial and scientific applications.  The Company offers hundreds of products
used to create virtual  instrumentation  systems for measurement and automation.
The Company has identified a large and diverse  market for test and  measurement
("T&M") and industrial  automation ("IA")  applications.  The Company's products
are  used  in a  variety  of  applications  from  research  and  development  to
production  testing,  monitoring and industrial control. In test and measurement
applications,  the  Company's  products  can be  used  to  monitor  and  control
traditional instruments or to create computer-based instruments that can replace
traditional instruments.  In industrial automation  applications,  the Company's
products can be used in the same ways as in test and measurement and can also be
used  to   integrate   measurement   functionality   with   process   automation
capabilities. The Company sells to a large number of customers in a wide variety
of industries.  No single  customer  accounted for more than 3% of the Company's
sales in 2002, 2001 or 2000.

     The Company has been  profitable in every year since 1990.  However,  there
can be no assurance  that the  Company's net sales will grow or that the Company
will remain  profitable in future  periods.  As a result,  the Company  believes
historical  results of operations  should not be relied upon as  indications  of
future performance.


 Results of Operations

     The following table sets forth, for the periods  indicated,  the percentage
of  net  sales   represented  by  certain  items   reflected  in  the  Company's
consolidated statements of income:

                                                      Years Ended December 31,
                                                      2002      2001      2000
                                                    --------  --------  --------
Net sales:
    North America................................     50.1%     50.8%     52.7%
    Europe.......................................     31.4      33.4      32.6
    Asia Pacific.................................     18.5      15.8      14.7
                                                    --------  --------  --------
    Consolidated net sales.......................    100.0     100.0     100.0
Cost of sales....................................     26.9      26.3      24.0
                                                    --------  --------  --------
    Gross profit.................................     73.1      73.7      76.0
Operating expenses:
    Sales and marketing..........................     37.3      37.8      35.9
    Research and development.....................     16.4      15.8      13.7
    General and administrative...................      9.1       7.5       7.8
                                                    --------  --------  --------
       Total operating expenses..................     62.8      61.1      57.4
                                                    --------  --------  --------
       Operating income..........................     10.3      12.6      18.6
Other income (expense):
    Interest income..............................      0.8       1.5       1.5
    Interest expense.............................       --        --      (0.1)
    Net foreign exchange loss and other..........       --      (0.2)     (0.3)
                                                    --------  --------  --------
Income before income taxes.......................     11.1      13.9      19.7
Provision for income taxes.......................      3.1       4.5       6.3
                                                    --------  --------  --------
Net income.......................................      8.0%      9.4%     13.4%
                                                    ========  ========  ========

     Net  Sales.  In 2002,  net sales for the  Company's  products  were  $390.8
million,  a 1%  increase  from the level  achieved  in 2001,  which  followed  a
decrease in net sales of 6% in 2001 from the level achieved in 2000. The Company
believes  the  increase  in  sales  in 2002  is  primarily  attributable  to the
introduction of new and upgraded  products and an increased market acceptance of
the Company's  products in Asia.  The Company  believes the decrease in sales in
2001 was primarily  attributable  to the approximate 25% decline in the sales of
certain  hardware  products  that are used to control  traditional  instruments,
which  resulted  from the  worsening  of the  industrial  economy and the severe
deterioration of sales of traditional  instruments by other vendors used in test
and measurement applications.

     North  American  revenue  was  $195.8  million  in 2002,  flat  with  2001,
following a 9% decrease in 2001 from 2000.  European  revenue was $122.8 million
in 2002, a decrease of 4% from 2001,  following a 6% decrease in 2001 from 2000.
Asia Pacific  revenue  grew 19% to $72.2  million in 2002,  which  followed a 5%
increase in 2001 over 2000 levels.  The Company believes that  approximately 80%
of the decrease in revenue in Europe in 2002 is  attributable to the decrease in
sales of the Company's  hardware  products that are used to control  traditional
instruments,  the result of the  downturn in the  industrial  economy,  and that
approximately  20% of the decrease in revenue in Europe is due to the  weakening
of the  Company's  Euro  exchange  rate.  See  the  discussion  below  for  more
information  concerning  the impact of foreign  currency  fluctuations  on sales
growth. The Company believes that approximately 50% of the increase in sales and
in the  revenue  growth  rate in Asia  Pacific  in 2002 is  attributable  to the
introduction  of new and  upgraded  products,  an  expanded  customer  base,  an
increased  field  sales  force,  and   approximately  50%  of  the  increase  is
attributable  to the  Company's  favorable  hedge  position  with  regard to the
Japanese yen.

     International sales (sales to customers outside of North America) accounted
for 50%, 49% and 47% of the Company's  consolidated net sales for 2002, 2001 and
2000, respectively.  The Company intends to continue to expand its international
operations  by  increasing  its  presence in existing  markets,  adding a market
presence in some new geographical markets and continuing the use of distributors
to sell its products in some countries.

     Sales made by the Company's direct sales offices in Europe and Asia Pacific
are denominated in local currencies, and accordingly, the U.S. dollar equivalent
of these sales is affected by changes in the weighted  average value of the U.S.
dollar.  This weighted  average is calculated  as the  percentage  change in the
value of the currency relative to the U.S. dollar,  multiplied by the proportion
of  international  sales recorded in the particular  currency.  Between 2002 and
2001, this weighted average value of the U.S. dollar decreased by 2.5%,  causing
an  equivalent  increase  in the  U.S.  dollar  value of the  Company's  foreign
currency sales and expenses.  If the weighted  average value of the U.S.  dollar
during  2002  had  been the same as that in  2001,  on a  pro-forma  basis,  the
Company's  sales for 2002 would  have been flat with sales from 2001.  Pro-forma
European  sales for 2002 would have  decreased by 4% from 2001 sales.  Pro-forma
Asia Pacific sales for 2002 would have  increased by 10% over 2001 sales.  Since
most of the  Company's  international  operating  expenses are also  incurred in
local  currencies,  the change in  exchange  rates had the effect of  increasing
operating  expenses $4.5 million in 2002.  The preceding  pro-forma  amounts and
percentages are not presented in accordance with generally  accepted  accounting
principles but are presented for comparative purposes.

     Gross Profit. As a percentage of sales,  gross profit  represented 73%, 74%
and 76% in 2002,  2001 and 2000,  respectively.  The  relatively  high  software
content of the Company's  products is demonstrated in the gross margins achieved
by the Company.  In 2002, the lower margin is  attributable to the reduced sales
of certain hardware  products that are used to control  traditional  instruments
and an increase in the Company's overall  manufacturing costs due to the ramp up
of the Company's Hungarian production  facility.  There can be no assurance that
the Company  will  maintain its  historical  margins.  The Company  believes its
current manufacturing capacity is adequate to meet current needs.

     Sales and  Marketing.  Sales and  marketing  expense  in 2002 was flat with
2001,  which  followed a decrease of 1% in 2001 from 2000.  Sales and  marketing
personnel  increased  by 75 during 2002 from 1,312 at December 31, 2001 to 1,387
at December 31, 2002. Sales and marketing expense as a percentage of revenue was
37% in 2002,  down from 38% in 2001 and up from 36% in 2000. The Company expects
sales and marketing  expenses in future periods to increase in absolute dollars,
and to fluctuate as a percentage of sales based on recruiting, initial marketing
and advertising  campaign costs  associated with major new product  releases and
entry into new market  areas,  investment  in web sales and  marketing  efforts,
increasing  product   demonstration   costs  and  the  timing  of  domestic  and
international conferences and trade shows.

     Research  and  Development.   Research  and  development  expense  in  2002
increased 5% compared to 2001 following an increase of 9% in 2001 over 2000. The
increase in research and  development  costs in absolute  amounts in each period
was  primarily  due to increases in  personnel  costs from hiring of  additional
product development engineers. Research and development personnel increased from
720 at December  31,  2001 to 791 at December  31,  2002.  The Company  plans to
continue making a significant investment in research and development in order to
remain competitive and support revenue growth.

     The Company  capitalizes  software  development  costs in  accordance  with
Statement of Financial Accounting Standards ("SFAS") No. 86, "Accounting for the
Costs of Computer  Software to be Sold,  Leased,  or  Otherwise  Marketed."  The
Company  amortizes  such costs over the  related  product's  estimated  economic
useful life,  generally three years,  beginning when a product becomes available
for general release.  Software  amortization expense totaled $3.8 million,  $3.1
million and $2.6 million  during  2002,  2001 and 2000,  respectively.  Software
development costs capitalized during such years were $5.8 million,  $3.9 million
and $5.0 million,  respectively.  (See Note 5 of Notes to Consolidated Financial
Statements for a description of intangibles.)

     General and  Administrative.  General and  administrative  expenses in 2002
increased 22% from 2001,  which followed a decrease of 9% in 2001 from 2000. The
increase  in  general  and   administrative   expenses  in  2002  from  2001  is
attributable  to increased  litigation  costs of $4.7 million  associated with a
legal  action  brought by the  Company  against The  MathWorks,  Inc. in 2001 to
enforce  the  Company's  intellectual  property  rights,  compared  to a gain of
approximately  $1.2 million in 2001 recorded  upon the  settlement of a previous
case  with  Cognex  Corporation.  The  Company  expects  to  continue  to  incur
significant  litigation  expenses in 2003 related to patent  litigation with The
MathWorks.  A significant  amount of the decrease in general and  administrative
costs in 2001 was due to reduced intellectual property defense costs, the result
of the net  recovery of $1.2  million of  intellectual  property  defense  costs
accrued  in the prior  year,  and to  operational  efficiencies  resulting  from
continued systems improvement.  Implementation of information systems to support
the Company's  new research and  development  facility,  upgrading its worldwide
business  applications  suite  to  Oracle's  latest  web-based  release  11i and
continued  investment in the Company's web presence were the main areas of focus
for  investment  in the  information  systems  department  in 2002.  General and
administrative expenses as a percentage of revenue increased to 9.1% during 2002
from 7.6% during 2001. The Company expects that general and administrative costs
will increase in absolute  amounts and will fluctuate as a percentage of revenue
as the  Company  continues  to  invest  in  maintaining  its  existing  systems,
protecting its intellectual property,  developing the infrastructure for the new
Hungarian   manufacturing   facility,  and  developing  web-based  commerce  and
management information systems.

     During the fourth quarter of 2002, the Company and Trilogy  Software,  Inc.
("Trilogy")  settled a dispute  regarding  Trilogy's buy-out of the lease of the
Company's  Millenium  office building which resulted in a gain of  approximately
$6.0 million from lease  termination.  As a result of additional  facility lease
consolidation,  the Company  incurred lease  termination  costs of approximately
$2.4 million in the fourth quarter of 2002.

     In the fourth quarter of 2002, the Company  contributed  approximately $3.6
milion to the National Instruments Foundation, a 501(c)(3) charitable foundation
established  in 2002 for the purpose of continued  promotion of  scientific  and
engineering research and education at higher education  institutions  worldwide.
Two of the four  directors of the National  Instruments  Foundation  are current
officers of National Instruments.

     Interest  Income and Expense.  Interest  income  decreased 44% in 2002 from
2001,  which  followed  a  decrease  of 9% in 2001 from 2000.  The  decrease  in
interest  income in 2002 was  primarily  due to lower  yields  on the  Company's
investments. The primary source of interest income is from the investment of the
Company's cash. Net cash provided by operating  activities in 2002 totaled $51.0
million.

     Net Foreign  Exchange  Gain  (Loss).  The Company  experienced  net foreign
exchange losses of $724,000 in 2002,  compared to losses of $1.4 million in 2001
and losses of $1.5 million in 2000.  These results are attributable to movements
between  the U.S.  dollar and the local  currencies  in  countries  in which the
Company's subsidiaries are located. The Company recognizes the local currency as
the functional currency of its international subsidiaries.

     The Company utilizes foreign currency forward contracts to hedge a majority
of its foreign currency denominated  receivables in order to reduce its exposure
to significant foreign currency  fluctuations.  The Company typically limits the
duration of its "receivables" foreign currency forward contracts to 90 days.

     The Company also utilizes foreign  currency  forward  contracts and foreign
currency  purchased  option  contracts  in  order  to  reduce  its  exposure  to
fluctuations in future foreign currency cash flows. The Company  purchases these
contracts  for up to 100% of its  forecasted  cash flows in selected  currencies
(primarily  the euro,  yen and pound  sterling) and limits the duration of these
contracts to 40 months.  The foreign  currency  purchased  option  contracts are
purchased  "at-the-money"  or  "out-of-the-money."  As a result,  the  Company's
hedging  activities  only  partially  address  its  risks  in  foreign  currency
transactions,  and  there  can  be no  assurance  that  this  strategy  will  be
successful.  The Company does not invest in contracts for speculative  purposes.
(See Note 10 of Notes to Consolidated  Financial Statements for a description of
the Company's forward and purchased option contracts and hedged  positions.) The
Company's hedging strategy  increased the foreign exchange loss for December 31,
2002 by $1.4 million and reduced the net foreign  exchange loss for December 31,
2001 by $6.5 million.

     Provision  for Income Taxes.  The  provision  for income taxes  reflects an
effective tax rate of 28% in 2002 and 32% in 2001 and 2000.  The decrease in the
effective   rate  resulted  from  income  tax  benefits   attributable   to  the
extraterritorial income exclusion and a change in the distrubion of income among
taxing jurisdictions, particularly the impact of the Company's new manufacturing
facility  in  Hungary.  The  effective  tax rate is lower than the U.S.  federal
statutory  rate of 35%  primarily  as a result  of the  extraterritorial  income
exclusion,  tax-exempt  interest  and  reduced  tax  rates  in  certain  foreign
jurisdictions.


 Liquidity and Capital Resources

     The Company is currently financing its operations and capital  expenditures
through cash flow from operations. At December 31, 2002, the Company had working
capital of  approximately  $211.5 million compared to $209.8 million at December
31, 2001.

     Accounts  receivable  increased to $63.0  million at December 31, 2002 from
$53.6  million at December 31,  2001,  as a result of higher sales levels in the
fourth quarter of 2002 compared to the fourth quarter of 2001.  Receivable  days
outstanding  at December 31, 2002  increased to 54 days from 51 days at December
31, 2001.  Consolidated  inventory  balances have  increased to $39.2 million at
December  31, 2002 from $32.6  million at December  31,  2001.  The  increase in
inventory  was due to the planned  increase in finished  goods and safety  stock
inventory  which  enabled  the  Company to reduce  delivery  time of products to
customers thereby increasing customer  satisfaction.  Inventory turns of 2.8 per
year for 2002 represent a decrease from turns of 3.1 per year for 2001.

     Cash used in 2002  includes  $30.8 million for the purchase of property and
equipment,  $19.6 million for the repurchase of approximately  813,000 shares of
common stock and $5.8 million for capitalization of software development costs.

     During  2002,  the  Company  completed  construction  of,  and moved into a
382,000 sq. ft. office building  ("Mopac C") located on its North Austin campus.
The total cost for the new building, including furniture, fixtures and equipment
was approximately  $57.4 million.  The Company  consolidated its leaseholds upon
completion of its move into Mopac C during the fourth  quarter of 2002.  All the
Company's buildings are free from lien.

     The Company currently expects to fund expenditures for capital requirements
as well as  liquidity  needs  created  by  changes  in  working  capital  from a
combination of available cash and short-term  investment balances and internally
generated  funds. The Company  estimates that its budgeted capital  expenditures
over the next fiscal year will be approximately $18 million.  As of December 31,
2002, the Company had no debt outstanding.

     The Company believes that the cash flow from operations,  if any,  existing
cash balances and  short-term  investments,  will be sufficient to meet its cash
requirements for at least the next twelve months.  Cash requirements for periods
beyond the next twelve  months will depend on the Company's  profitability,  its
ability to manage working capital requirements and its rate of growth.

     The following  summarizes the Company's  contractual cash obligations as of
December 31, 2002 (in thousands):

                                             Payments Due by Period
                                  ----------------------------------------------
                                  Total    2003    2004    2005    2006   Beyond
                                  ------  ------  ------  ------  ------  ------
Long-term debt.................   $   --  $   --  $   --  $   --  $   --  $   --
Capital lease obligations......       --      --      --      --      --      --
Operating leases...............    4,456   1,652   1,616     988     102      98
Other long-term obligations....       --      --      --      --      --      --
                                  ------  ------  ------  ------  ------  ------
Total contractual cash
obligations....................   $4,456  $1,652  $1,616  $  988  $  102  $   98
                                  ======  ======  ======  ======  ======  ======

     The following  summarizes the Company's other commercial  commitments as of
December 31, 2002 (in thousands):

                                    Amount of Commitment Expiration by Period
                                  ----------------------------------------------
                                  Total    2003    2004    2005    2006   Beyond
                                  ------  ------  ------  ------  ------  ------
Guarantees.....................   $3,800  $3,800  $   --  $   --  $   --  $   --
Other commercial commitments...    4,300   4,300      --      --      --      --
                                  ------  ------  ------  ------  ------  ------
Total commercial commitments...   $8,100  $8,100  $   --  $   --  $   --  $   --
                                  ======  ======  ======  ======  ======  ======

  Financial Risk Management

     The Company's  international sales are subject to inherent risks, including
fluctuations in local  economies;  difficulties in staffing and managing foreign
operations;  greater  difficulty in accounts  receivable  collection;  costs and
risks of  localizing  products  for  foreign  countries;  unexpected  changes in
regulatory requirements,  tariffs and other trade barriers;  difficulties in the
repatriation of earnings and burdens of complying with a wide variety of foreign
laws.  The Company's  sales outside of North  America are  denominated  in local
currencies, and accordingly, the Company is subject to the risks associated with
fluctuations  in currency  rates.  In particular,  increases in the value of the
dollar  against  foreign  currencies  decrease the U.S.  dollar value of foreign
sales  requiring the Company either to increase its price in the local currency,
which could render the Company's  product  prices  noncompetitive,  or to suffer
reduced revenues and gross margins as measured in U.S.  dollars.  These dynamics
have  adversely  affected  revenue growth in  international  markets in previous
years.  The Company's  foreign  currency  hedging program  includes both foreign
currency forward and purchased option contracts to reduce the effect of exchange
rate  fluctuations.  However,  the hedging program will not eliminate all of the
Company's  foreign  exchange risks.  (See "Net Foreign Exchange Gain (Loss)" and
Note 10 of Notes to Consolidated Financial Statements.)

     The  marketplace  for the  Company's  products  dictates  that  many of the
Company's  products be shipped  very quickly  after an order is  received.  As a
result, the Company is required to maintain significant inventories.  Therefore,
inventory  obsolescence  is a risk for the Company  due to frequent  engineering
changes,  shifting customer demand,  the emergence of new industry standards and
rapid  technological  advances  including the introduction by the Company or its
competitors of products  embodying new technology.  While the Company  maintains
valuation   allowances  for  excess  and  obsolete  inventories  and  management
continues to monitor the adequacy of such valuation allowances,  there can be no
assurance that such valuation allowances will be sufficient.

     The Company has no debt or off-balance sheet debt. As of December 31, 2002,
the Company has non-cancelable operating lease obligations of approximately $4.5
million and contractual  purchase  commitments with various suppliers of general
components and customized inventory components of approximately $4.3 million. As
of December  31, 2002,  the Company has  outstanding  guarantees  for payment of
foreign operating leases, customs and foreign grants totaling approximately $3.8
million.  (See  Note 12 of  Notes  to  Consolidated  Financial  Statements.)  At
December  31,  2002,  the  Company  did not  have  any  relationships  with  any
unconsolidated  entities  or  financial  partnerships,  such as  entities  often
referred to as structured finance or special purpose entities,  which would have
been established for the purpose of facilitating  off-balance sheet arrangements
or other contractually  narrow or limited purposes.  As such, the Company is not
exposed to any financing,  liquidity,  market or credit risk that could arise if
the Company were engaged in such relationships.


 Market Risk

     The Company is exposed to a variety of risks,  including  foreign  currency
fluctuations and changes in the market value of its  investments.  In the normal
course of business,  the Company employs established  policies and procedures to
manage its exposure to  fluctuations  in foreign  currency values and changes in
the market value of its investments.

     Foreign Currency Hedging  Activities.  The Company's  objective in managing
its exposure to foreign  currency  exchange rate  fluctuations  is to reduce the
impact of adverse  fluctuations in such exchange rates on the Company's earnings
and cash flow.  Accordingly,  the Company  utilizes  purchased  foreign currency
option  contracts  and forward  contracts to hedge its  exposure on  anticipated
transactions and firm commitments. The principal currencies hedged are the euro,
British  pound and  Japanese  yen.  The Company  monitors  its foreign  exchange
exposures regularly to ensure the overall  effectiveness of its foreign currency
hedge  positions.  However,  there can be no  assurance  the  Company's  foreign
currency hedging activities will substantially offset the impact of fluctuations
in currency exchange rates on its results of operations and financial  position.
Based on the foreign exchange  instruments  outstanding at December 31, 2002, an
adverse  change  (defined  as 20% in the Asian  currencies  and 10% in all other
currencies)  in exchange  rates would result in a decline in the aggregate  fair
market value of all  instruments  outstanding  of  approximately  $13.7 million.
However,  as the  Company  utilizes  foreign  currency  instruments  for hedging
anticipated and firmly committed  transactions,  management believes that a loss
in fair value for those instruments will be substantially offset by increases in
the  value of the  underlying  exposure.  (See  Note 9 of Notes to  Consolidated
Financial Statements for a description of the Company's financial instruments at
December 31, 2002 and 2001.)

     Short-term  Investments.  The fair value of the  Company's  investments  in
marketable securities at December 31, 2002 was $113.6 million.  Investments with
maturities beyond one year may be classified as short-term based on their highly
liquid nature and because such marketable securities represent the investment of
cash that is available for current operations.  The Company's  investment policy
is to manage its investment  portfolio to preserve principal and liquidity while
maximizing the return on the investment portfolio through the full investment of
available funds. The Company diversifies the marketable  securities portfolio by
investing  in  multiple  types of  investment-grade  securities.  The  Company's
investment  portfolio is primarily  invested in  short-term  securities  with at
least an  investment  grade rating to minimize  interest rate and credit risk as
well as to provide  for an  immediate  source of funds.  Based on the  Company's
investment  portfolio and interest rates at December 31, 2002, a 100 basis point
increase or decrease in interest rates would result in a decrease or increase of
approximately  $570,000,  respectively,  in the  fair  value  of the  investment
portfolio.  Although  changes in interest rates may affect the fair value of the
investment  portfolio and cause unrealized gains or losses, such gains or losses
would not be realized unless the investments are sold.


 Non-Audit Services

     Prior to adoption of the  Sarbanes-Oxley  Act of 2002, the Company's  Audit
Committee modified its charter to require pre-approval of all non-audit services
by its auditor, PricewaterhouseCoopers LLP including the following: tax research
and consultations;  international tax consulting;  tax assistance and compliance
in international  locations;  assistance with transfer  pricing;  expatriate tax
services;  consultations  and assistance  with other taxes  including  state and
local taxes,  sales and use taxes,  customs and duties;  review of  intercompany
agreements;  and assistance with  international  manufacturing  tax issues.  The
Company is currently monitoring the developments  regarding new regulations as a
result of the recent adoption of the Sarbanes-Oxley Act of 2002, and will comply
with any new requirements.


 Recently Issued Accounting Pronouncements

     In May 2002,  the Financial  Accounting  Standards  Board  ("FASB")  issued
Statement of Financial Accounting Standards ("SFAS") No. 145, Rescission of FASB
Statements No. 4, 44, and 64,  Amendment of FASB Statement No. 13, and Technical
Corrections  as of April 2002.  The  Statement  rescinds SFAS No. 4 and requires
that only unusual or  infrequent  gains and losses from  extinguishment  of debt
should be classified as  extraordinary  items,  consistent  with APB Opinion 30.
This  Statement  amends SFAS No. 13 to  eliminate an  inconsistency  between the
required accounting for sale-leaseback  transactions and the required accounting
for certain lease  modifications  that have economic effects that are similar to
sale-leaseback  transactions.   This  Statement  also  amends  certain  existing
authoritative  pronouncements  to make various  technical  corrections,  clarify
meanings, or describe their applicability under changed conditions. The adoption
of SFAS No.  145 did not  have a  material  effect  on the  Company's  financial
position or results of operations.

     In June 2002, the FASB issued SFAS No. 146, Accounting for Costs Associated
with Exit or Disposal Activities.  This Statement addresses financial accounting
and  reporting  for  costs  associated  with  exit or  disposal  activities  and
nullifies  Emerging  Issues  Task  Force  ("EITF")  Issue  No.  94-3,  Liability
Recognition for Certain Employee Termination Benefits and Other Costs to Exit an
Activity  (including Certain Costs Incurred in a Restructuring).  This Statement
requires  that a  liability  for a cost  associated  with an  exit  or  disposal
activity be recognized  when the liability is incurred as opposed to on the date
of an entity's commitment to an exit plan, which was the practice employed under
EITF Issue 94-3.  The  provisions  of this  Statement  are effective for exit or
disposal  activities  that are  initiated  after  December 31, 2002,  with early
application  encouraged.  SFAS No. 146 is not expected to have a material effect
on the Company's financial position or results of operations.

     In December 2002, the FASB issued SFAS No. 148,  Accounting for Stock-Based
Compensation - Transition and  Disclosure.  This Statement  amends SFAS No. 123,
Accounting  for  Stock-Based  Compensation,  to provide  alternative  methods of
transition  to SFAS No. 123's fair value method of  accounting  for  stock-based
employee  compensation.  This Statement also amends the disclosure  provision of
SFAS No. 123 and APB No. 28, Interim Financial Reporting,  to require disclosure
in the summary of significant  accounting policies of the effects of an entity's
accounting policy with respect to stock-based employee  compensation on reported
net income and  earnings per share in annual and interim  financial  statements.
The  adoption  of SFAS No. 148 did not have a material  effect on the  Company's
financial position or results of operations.


 Critical Accounting Policies

     The Company's critical accounting policies are as follows:

     o    Revenue recognition

          Revenue  from  the  sale  and   licensing  of  products  is  generally
          recognized on the date the product is shipped to the customer. Revenue
          related to the sale of maintenance contracts is deferred and amortized
          on a straight-line basis over the service period.

     o    Estimating  allowances,  specifically sales returns, the allowance for
          doubtful accounts and the valuation  allowance for excess and obsolete
          inventories

          The preparation of financial  statements  requires the Company to make
          estimates and  assumptions  that affect the reported  amount of assets
          and liabilities and disclosure of contingent assets and liabilities at
          the date of the  financial  statements  and the  reported  amounts  of
          revenues and expenses during the reported  period.  Specifically,  the
          Company  must make  estimates  of  potential  future  product  returns
          related  to  current  period  product  revenue.   Management  analyzes
          historical  returns,  current economic trends, and changes in customer
          demand and acceptance of our products when  evaluating the adequacy of
          the  sales  returns  and  other  allowances.   Significant  management
          judgments  and  estimates  must be made  and used in  connection  with
          establishing  the sales returns and other allowances in any accounting
          period.  The  allowance for sales returns was $1.2 million at December
          31, 2002. Material  differences may result in the amount and timing of
          the  Company's  revenue for any period if  management  made  different
          judgments or utilized different estimates.  Similarly,  our management
          must  make   estimates  of  the   uncollectability   of  our  accounts
          receivables.  Management specifically analyzes accounts receivable and
          analyzes  historical  bad  debts,  customer  concentrations,  customer
          credit-worthiness  and current  economic  trends when  evaluating  the
          adequacy of the  allowance  for doubtful  accounts.  The allowance for
          doubtful  accounts was $3.8 million at December 31, 2002.  The Company
          writes down its inventory for estimated  obsolescence  or unmarketable
          inventory  equal to the  difference  between the cost of inventory and
          estimated  market  value based on  assumptions  on future  demands and
          market  conditions.  The  valuation  allowance for excess and obsolete
          inventories  was $3.5 million at December 31, 2002.  If actual  market
          conditions  are less  favorable  than those  projected by  management,
          additional inventory write downs may be required.

     o    Accounting for costs of computer software

          The  Company   capitalizes   costs  related  to  the  development  and
          acquisition  of certain  software  products.  Capitalization  of costs
          begins when  technological  feasibility has been  established and ends
          when the  product is  available  for  general  release  to  customers.
          Amortization  is computed  on an  individual  product  basis for those
          products  available  for market and has been  recognized  based on the
          product's  estimated  economic life,  generally  three years.  At each
          balance sheet date, the  unamortized  costs are reviewed by management
          and reduced to net realized value when  necessary.  As of December 31,
          2002,  unamortized  capitalized  software  development  costs was $9.3
          million.

     o    Valuation of long-lived and intangible assets

          The Company  assesses the  impairement  of  identifiable  intangibles,
          long-lived  assets and related goodwill  whenever events or changes in
          circumstances indicate that the carrying value may not be recoverable.
          Factors considered  important which could trigger an impairment review
          include the following:

     o    Significant   underperformance  relative  to  expected  historical  or
          projected future operating results;

     o    Significant changes in the manner of the Company's use of the acquired
          assets or the strategy for the overall business;

     o    Significant negative industry or economic trends;

     o    The Company's market capitalization relative to net book value.

          When  it  is  determined  that  the  carrying  value  of  intangibles,
          long-lived  assets and related  goodwill may not be recoverable  based
          upon  the  existence  of  one  or  more  of the  above  indicators  of
          impairment,  the  measurement  of any impairment is determined and the
          carrying value is reduced as appropriate. As of December 31, 2002, the
          Company had net goodwill of approximately $5.8 million.


 Factors Affecting the Company's Business

     U.S./Global Economic Slowdown. As occurred in 2001 and 2002, the markets in
which the Company does business could again experience the negative effects of a
slowdown in the U.S. and/or Global economies.  The Company could also be subject
to or  impacted  by acts of  terriorism  and/or the  effects  that a war or U.S.
military action would have on the U.S. and/or global economies. The worsening of
the U.S. or Global  economies  could  result in reduced  purchasing  and capital
spending in any of the markets served by the Company which could have a material
adverse effect on the Company's operating results.

     Budgets.  The Company has  established  an operating  budget for 2003.  The
Company's spending for 2003 could exceed this budget due to a number of factors;
including: additional marketing costs for conferences and tradeshows;  increased
costs from the over-hiring of product development  engineers or other personnel;
increased  manufacturing  costs resulting from component supply shortages and/or
component  price  fluctuations;   additional   litigation  expenses  related  to
intellectual  property litigation.  Any future decreased demand for our products
could  result in decreased  revenue and could  require the Company to revise its
budget and reduce  expenditures.  Exceeding the established  operating budget or
failing to revise its budget in response to any decrease in revenue could have a
material adverse effect on the Company's operating results.

     Risk of Component  Shortages.  As has  occurred in the past,  and as may be
expected to occur in the future,  supply  shortages  of  components  used in our
products, including sole source components, can result in significant additional
costs and  inefficiencies  in  manufacturing.  If the Company is unsuccessful in
resolving any such component shortages,  it will experience a significant impact
on the timing of revenue and/or an increase in  manufacturing  costs,  either of
which would have a material adverse impact on the Company's operating results.

     Fluctuations  in  Quarterly  Results.  The  Company's  quarterly  operating
results  have  fluctuated  in the past and may  fluctuate  significantly  in the
future due to a number of  factors,  including:  changes in the mix of  products
sold; the availability and pricing of components from third parties  (especially
sole sources);  the timing of orders;  level of pricing of international  sales;
fluctuations in foreign  currency  exchange rates; the difficulty in maintaining
margins,  including the higher margins  traditionally  achieved in international
sales;  and  changes in pricing  policies by the  Company,  its  competitors  or
suppliers.  Specifically,  if the local  currencies  in which the Company  sells
weaken against the U.S. dollar,  and if the local sales prices cannot be raised,
the Company will experience a deterioration of its gross and net profit margins.
If the U.S. dollar  strengthens in the future,  it could have a material adverse
effect on gross and net profit margins.

     As has  occurred in the past and as may be expected to occur in the future,
new software  products of the Company or new operating  systems of third parties
on which the Company's products are based, often contain bugs or errors that can
result in reduced  sales and/or cause the  Company's  support costs to increase,
either of which could have a material adverse impact on the Company's  operating
results.  Furthermore,  the Company has  significant  revenues from customers in
industries such as semiconductors, automated test equipment, telecommunications,
aerospace,  defense and  automotive  which are cyclical in nature.  Downturns in
these industries could have a material adverse effect on the Company's operating
results.

     In recent years,  with the exception of 2001,  the Company's  revenues have
been  characterized  by seasonality,  with revenues  typically being  relatively
constant in the first, second and third quarters,  growing in the fourth quarter
and being  relatively  flat or declining  from the fourth quarter of the year to
the first quarter of the following year. The Company believes the seasonality of
its  revenue  results  from  the  international  mix  of  its  revenue  and  the
variability of the budgeting and purchasing  cycles of its customers  throughout
each  international  region. In addition,  total operating  expenses have in the
past tended to be higher in the second and third  quarters of each year,  due to
recruiting and significantly increased intern personnel expenses.

     New  Product  Introductions  and  Market  Acceptance.  The  market  for the
Company's  products is characterized  by rapid  technological  change,  evolving
industry  standards,   changes  in  customer  needs  and  frequent  new  product
introductions, and is therefore highly dependent upon timely product innovation.
The  Company's  success is  dependent  in part on its  ability  to  successfully
develop and  introduce  new and  enhanced  products on a timely basis to replace
declining  revenues  from  older  products,  and on  increasing  penetration  in
domestic and  international  markets.  In the past, the Company has  experienced
significant  delays between the announcement and the commercial  availability of
new  products.  Any  significant  delay in releasing  new products  could have a
material  adverse effect on the ultimate  success of a product and other related
products and could impede continued sales of predecessor products,  any of which
could have a material adverse effect on the Company's  operating results.  There
can be no assurance  that the Company will be able to introduce  new products in
accordance with announced  release dates,  that new products will achieve market
acceptance or that any such  acceptance  will be sustained  for any  significant
period.  Failure of new products to achieve or sustain market  acceptance  could
have a material  adverse effect on the Company's  operating  results.  Moreover,
there can be no assurance that the Company's  international  sales will continue
at existing levels or grow in accordance with the Company's  efforts to increase
foreign market penetration.

     Risks  Associated  with Increased  Development of Web Site. The Company has
devoted significant  resources in developing its Web site as a key marketing and
sales  tool and  expects to  continue  to do so in the  future.  There can be no
assurance that the Company will be successful in its attempt to leverage the Web
to  increase  sales.  The  Company  hosts its Web site  internally.  Failure  to
successfully  maintain the Web site and to protect it from hackers  could have a
significant adverse impact on the Company's operating results.

     Operation  in  Intensely  Competitive  Markets.  The  markets  in which the
Company  operates  are  characterized  by  intense   competition  from  numerous
competitors,  some of which  are  divisions  of large  corporations  having  far
greater  resources  than the  Company,  and the Company  expects to face further
competition  from new market entrants in the future. A key competitor is Agilent
Technologies  Inc.  ("Agilent").  Agilent  offers  its own  line  of  instrument
controllers,   and  also  offers  hardware  and  software  add-on  products  for
third-party  desktop  computers and  workstations  that provide  solutions  that
directly compete with the Company's virtual instrumentation products. Agilent is
aggressively  advertising and marketing  products that are competitive  with the
Company's products.  Because of Agilent's strong position in the instrumentation
business,  changes in its marketing  strategy or product  offerings could have a
material adverse effect on the Company's operating results.

     The  Company  believes  its  ability to compete  successfully  depends on a
number of factors  both within and outside its control,  including:  new product
introductions by competitors;  product pricing; quality and performance; success
in  developing  new  products;  adequate  manufacturing  capacity  and supply of
components and materials; efficiency of manufacturing operations;  effectiveness
of sales and marketing  resources and strategies;  strategic  relationships with
other suppliers;  timing of new product introductions by the Company; protection
of the  Company's  products by  effective  use of  intellectual  property  laws;
general market and economic  conditions;  and government  actions throughout the
world.  There  can be no  assurance  that the  Company  will be able to  compete
successfully in the future.

     Management   Information   Systems.   During  2002,  the  Company   devoted
significant  resources to  implementing  information  systems to support its new
research and development facility on its Austin campus. The Company also devoted
significant  resources to upgrading its Japanese office's business  applications
suite to Oralcle's latest web-based release 11i, and to continued development of
web  offerings.  In 2003,  the Company  will be focusing on  upgrading  its U.S.
office's business  applications  suite to Oracle's latest web-based release 11i,
and will continue to devote significant resources to the development of the web.
Failure  to  successfully  implement  these  initiatives  could  have a material
adverse effect on the Company's operating results.

     The Company  relies on three primary  regional  centers for its  management
information systems. As with any information system, unforeseen issues may arise
that could affect management's ability to receive adequate,  accurate and timely
financial  information,  which  in  turn  could  inhibit  effective  and  timely
decisions.  Furthermore,  it is possible that one or more of the Company's three
regional information systems could experience a complete or partial shutdown. If
such a shutdown occurred near the end of a quarter it could impact the Company's
product shipments and revenues,  as product distribution is heavily dependent on
the  integrated  management  information  systems in each  region.  Accordingly,
operating  results in that quarter would be adversely  impacted.  The Company is
working to achieve reliable regional  management  information systems to control
costs and improve the ability to deliver its  products in  substantially  all of
its direct  markets  worldwide.  No  assurance  can be given that the  Company's
efforts will be successful. The failure to receive adequate, accurate and timely
financial  information could inhibit  management's ability to make effective and
timely decisions.

     Risks  Associated  with  International  Operations  and Foreign  Economies.
International  sales are subject to inherent  risks,  including  fluctuations in
local  economies,  difficulties  in staffing  and managing  foreign  operations,
greater  difficulty  in  accounts  receivable  collection,  costs  and  risks of
localizing  products for foreign  countries,  unexpected  changes in  regulatory
requirements, tariffs and other trade barriers, difficulties in the repatriation
of earnings  and the burdens of complying  with a wide variety of foreign  laws.
The Company must also comply with various import and export regulations. Failure
to ensure  compliance  with  these  regulations  could  result  in fines  and/or
termination of import and export privileges, which could have a material adverse
effect  on  the  Company's  operating  results.   Additionally,  the  regulatory
environment in some countries is very  restrictive as their  governments  try to
protect their local economy and value of their local  currency  against the U.S.
dollar.  Sales made by the  Company's  international  direct  sales  offices are
denominated in local currencies, and accordingly,  the U.S. dollar equivalent of
these  sales is affected by changes in the  weighted  average  value of the U.S.
dollar.  This weighted  average is calculated  as the  percentage  change in the
value of the currency  relative to the dollar,  multiplied by the  proportion of
international sales recorded in the particular currency.  Between 2002 and 2001,
the weighted  average  value of the U.S.  dollar  decreased by 2.5%,  causing an
equivalent  increase in the U.S. dollar value of the Company's  foreign currency
sales and expenses.  If the weighted average value during 2002 had been the same
as that in 2001, on a pro-forma  basis,  the Company's sales for 2002 would have
been flat with sales from 2001.  If the weighted  average  value during 2002 had
been the same as that in 2001, on a pro-forma basis, the Company's  consolidated
operating  expenses would have been $240.8  million,  representing a decrease of
$4.5 million.  If the U.S.  dollar  strengthens  in the future,  it could have a
materially adverse effect on the Company's operating results.

     As of December 31, 2002,  the Company has $1.0 million of deferred gains on
yen foreign  currency cash flow hedge  contracts  recorded in accumulated  other
comprehensive income that are expected to be reclassified into earnings over the
next 12 months.  If the yen fails to strengthen  before the  expiration of these
contracts,  and if the  Company  is unable to  increase  prices in Japan  and/or
globally,  the Company will experience a deterioration  of revenue and gross and
net profit margins,  which could have a material adverse effect on the Company's
operating results.

     Expansion of  Manufacturing  Capacity.  During 2001, the Company  completed
construction  of a second  manufacturing  facility.  This facility is located in
Hungary and became  operational  in the fourth  quarter of 2001.  This  facility
sources a significant  portion of the Company's sales.  Currently the Company is
continuing  to  recruit  and train the local  work  force and is  continuing  to
develop  and  implement  information  systems to  support  its  operation.  This
facility  and its  operation  are also  subject to risks  associated  with a new
manufacturing  facility  and  with  doing  business  internationally,  including
difficulty in managing manufacturing operations in a foreign country, difficulty
in achieving or maintaining  product  quality,  interruption  to  transportation
flows for delivery of components to us and finished goods to our customers,  and
changes in the country's political or economic  conditions.  No assurance can be
given that the Company's  efforts will be  successful.  Accordingly,  failure to
deal with these factors could result in interruption in the facility's operation
or delays in  expanding  its  capacity,  either of which  could  have a material
adverse effect on the Company's operating results.

     Income Tax Rate.  The  Company  established  a  manufacturing  facility  in
Hungary in 2001. As a result of certain foreign investment  incentives available
under  Hungarian  law,  the profit from the  Company's  Hungarian  operation  is
currently  exempt from income tax.  These  benefits  may not be available in the
future due to changes in  Hungary's  political  condition  and/or tax laws.  The
reduction or elimination of these foreign investment  incentives would result in
the reduction or  elimination  of certain tax benefits  thereby  increasing  the
Company's  future effective income tax rate, which could have a material adverse
effect on the Company's operating results.

     The  Company   receives  a   substantial   income  tax  benefit   from  the
extraterritorial  income exemption ("ETI") under U.S. law. The ETI rules provide
that a percentage of the profits from products and intangibles exported from the
U.S. are exempt from U.S.  tax.  This benefit may not be available in the future
as the ETI  has  been  ruled  an  illegal  export  subsidy  by the  World  Trade
Organization.  The repeal of the ETI would result in the elimination of this tax
benefit thereby increasing the Company's future effective income tax rate, which
could have a material adverse effect on the Company's operating results.

     Products Dependent on Certain  Industries.  Sales of the Company's products
are   dependent   on   customers  in  certain   industries,   particularly   the
telecommunications, semiconductor, automotive, automated test equipment, defense
and aerospace industries.  As experienced in the past, and as may be expected to
occur in the future, downturns characterized by diminished product demand in any
one or more of these  industries  could result in decreased  sales,  which could
have a material adverse effect on the Company's operating results.

     Dependence  on Key  Suppliers.  The Company's  manufacturing  processes use
large volumes of high-quality  components and subassemblies  supplied by outside
sources.  Several of these  components  are  available  through  sole or limited
sources.   Sole-source  components  purchased  by  the  Company  include  custom
application-specific  integrated  circuits  ("ASICS") and other components.  The
Company has in the past  experienced  delays and quality  problems in connection
with sole-source  components,  and there can be no assurance that these problems
will not recur in the future.  Accordingly,  the failure to receive  sole-source
components  from  suppliers  could  result in a material  adverse  effect on the
Company's revenues and operating results.

     Stock-based  Compensation  Plans.  The Company  has two active  stock-based
compensation   plans  and  one  inactive  plan.   The  two  active   stock-based
compensation  plans are the 1994  Incentive  Stock  Option Plan and the Employee
Stock  Purchase  Plan.  The Company  currently  adheres to the  disclosure  only
provisions  of  SFAS  No.  123 as  amended  by  SFAS  No.  148,  Accounting  for
Stock-Based   Compensation  -  Transition  and  Disclosure,   and  as  such,  no
compensation cost has been recognized in the Company's financial  statements for
the stock  option plan and the stock  purchase  plan.  The Company is  currently
monitoring the recent discussions related to possible new regulations  regarding
the  accounting  treatment for stock  options.  The Company will comply with any
changes in the  accounting  of stock  options  required by the FASB. If the fair
value based method of accounting  for stock options  established  under SFAS No.
123 were adopted effective January 1, 2002, for the options granted during 2002,
the  Company  estimates  it  would  have  recognized  stock  option  expense  of
approximately $614,000. If the Company were to adopt the accounting provision of
SFAS No. 123, the adoption would be prospective.  Accordingly, the Company would
expect  stock  option  expense to  increase  in the future if  additional  stock
options are issued.

     Proprietary  Rights and  Intellectual  Property  Litigation.  The Company's
success  depends  on its  ability  to  obtain  and  maintain  patents  and other
proprietary rights relative to the technologies used in its principal  products.
Despite the Company's  efforts to protect its proprietary  rights,  unauthorized
parties  may have in the past  infringed  or violated  certain of the  Company's
intellectual property rights. The Company is currently involved in litigation in
federal court alleging patent infringement by the products of a defendant. As is
typical in the  industry,  the Company from time to time may be notified that it
is infringing  certain patent or intellectual  property rights of others.  There
can be no assurance  that this  litigation and any other  intellectual  property
litigation  initiated  in the  future  will  not  cause  significant  litigation
expense,  liability and a diversion of  management's  attention which may have a
material adverse effect on the Company's operating results.

     Dependence on Key Management and Technical Personnel. The Company's success
depends to a  significant  degree upon the  continued  contributions  of its key
management,   sales,   marketing,   research  and  development  and  operational
personnel,  including Dr. Truchard,  the Company's  Chairman and Chief Executive
Officer, and other members of senior management and key technical personnel. The
Company  has no  agreements  providing  for  the  employment  of any of its  key
employees for any fixed term and the  Company's  key  employees may  voluntarily
terminate  their  employment  with  the  Company  at any  time.  The loss of the
services of one or more of the  Company's key employees in the future could have
a material  adverse affect on operating  results.  The Company also believes its
future  success  will depend  upon its ability to attract and retain  additional
highly skilled management,  technical,  marketing, research and development, and
operational  personnel with  experience in managing  large and rapidly  changing
companies,  as well as training,  motivating and supervising  the employees.  In
addition, the recruiting  environment for software engineering,  sales and other
technical professionals is very competitive.  Competition for qualified software
engineers is particularly intense and is likely to result in increased personnel
costs.  Failure to attract or retain qualified  software engineers could have an
adverse effect on the Company's operating results. The Company also recruits and
employs foreign  nationals to achieve its hiring goals primarily for engineering
and software positions. There can be no guarantee that the Company will continue
to be able to recruit  foreign  nationals to the current  degree.  These factors
further intensify  competition for key personnel,  and there can be no assurance
that the Company will be  successful  in retaining its existing key personnel or
attracting and retaining additional key personnel. Failure to attract and retain
a sufficient number of technical  personnel could have a material adverse effect
on the Company's operationg results.

     Risk of Product  Liability Claims.  The Company's  products are designed to
provide  information  upon which the users may rely.  The  Company  attempts  to
assure the quality and accuracy of the processes contained in its products,  and
to limit its product  liability  exposure  through  contractual  limitations  on
liability,  including  disclaimers in its "shrink wrap" license  agreements with
end-users.  If future products contain errors that produce  incorrect results on
which  users  rely,  customer  acceptance  of the  Company's  products  could be
adversely  affected.  Further,  the Company could be subject to liability claims
that could have a material adverse effect on the Company's  operating results or
financial position.  Although the Company maintains liability  insurance,  there
can be no assurance that such insurance or the  contractual  provisions  used by
the Company to limit its liability will be sufficient.


ITEM 7(a). MARKET RISK

     Response to this item is included in "Item  7--Management's  Discussion and
Analysis of Financial Condition and Results of Operations--Market Risk" above.


ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

     The  information  required by this item is incorporated by reference to the
Consolidated  Financial  Statements  set forth on pages F-1 through F-21 and S-1
hereof.


ITEM 9. CHANGES  IN  AND  DISAGREEMENTS  WITH   ACCOUNTANTS  ON  ACCOUNTING  AND
        FINANCIAL DISCLOSURE

     Not applicable.




                                    PART III

     Certain  information  required  by Part III is omitted  from this Report in
that the Registrant  intends to file a definitive  proxy  statement  pursuant to
Regulation  14A  with  the  Securities  and  Exchange   Commission  (the  "Proxy
Statement")  relating to its annual meeting of  stockholders  not later than 120
days  after  the end of the  fiscal  year  covered  by  this  Report,  and  such
information is incorporated by reference herein.


ITEM 10.   DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

     The information concerning the Company's directors required by this Item is
incorporated  by reference to the Company's  Proxy  Statement  under the heading
"Election of Directors."

     The information  concerning the Company's  executive  officers  required by
this Item is  incorporated  by reference to the Company's  Proxy Statement under
the heading "Executive Officers."


ITEM 11.   EXECUTIVE COMPENSATION

     The  information  required by this Item is incorporated by reference to the
Company's Proxy Statement under the heading "Election of Directors."


ITEM 12.   SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

     From time to time the  Company's  directors,  executive  officers and other
insiders may adopt stock trading plans pursuant to Rule 10b5-1(c) promulgated by
the Securities  and Exchange  Commission  under the  Securities  Exchange Act of
1934, as amended. Starting in the fourth quarter of 2000, Jeffrey L. Kodosky and
James J. Truchard have made periodic  sales of the Company's  stock  pursuant to
such plans.

     The  information  required by this Item  pursuant to Item 403 of Regulation
S-K is  incorporated  by reference to the Company's  Proxy  Statement  under the
heading "Election of Directors."

     The information required by this Item pursuant to Item 201(d) of Regulation
S-K is  incorporated  by reference to the Company's  Proxy  Statement  under the
heading "Equity Compensation Plans Information".


ITEM 13.   CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

     In the fourth quarter of 2002, the Company  contributed  approximately $3.6
milion to the National Instruments Foundation, a 501(c)(3) charitable foundation
established  in 2002 for the purpose of continued  promotion of  scientific  and
engineering research and education at higher education  institutions  worldwide.
Two of the four  directors of the National  Instruments  Foundation  are current
officers of National Instruments.

     During  2001,  the  Company  acquired a 10%  minority  interest  in another
company for $2.5 million.  Because of the Company's ownership percentage and its
lack of  control  and  inability  to exert  influence  over  this  entity,  this
investment is accounted for under the cost method.  Sales to this company during
2002 and 2001 were  $141,000 and $96,000,  respectively.Trade  receivables  from
this  company at  December  31,  2002 and 2001 were  approximately  $28,000  and
$7,000, respectively. The Company has no other minority investments in any other
entities.

     In  addition,  the  information  required by this item is  incorporated  by
reference  to  the  Company's  Proxy   Statement  under  the  heading   "Certain
Relationships and Related Transactions."


    ITEM 14.   CONTROLS AND PROCEDURES

     The Company's Chief Executive  Officer and Chief Financial  Officer,  after
evaluating the effectiveness of the Company's disclosure controls and procedures
(as defined in Rules  13a-14(c) and 15d-14(c) of the Securities and Exchange Act
of 1934,  as  amended)  as of a date within 90 days of the filing of this annual
report (the "Evaluation  Date"), have concluded that, as of the Evaluation Date,
the Company's  disclosure  controls and procedures  were effective to ensure the
timely  collection,  evaluation and  disclosure of  information  relating to the
Company that would  potentially  be subject to disclosure  under the  Securities
Exchange  Act of 1934,  as amended,  and the rules and  regulations  promulgated
thereunder. There were no significant changes in the Company's internal controls
or in other  factors  that  could  significantly  affect the  internal  controls
subsequent to the Evaluation Date.





                                     PART IV

ITEM 15.   EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

     (a) Documents Filed with Report

          1.   Financial  Statements.   See  Index  to  Consolidated   Financial
               Statements  at  page  F-1 of this  Form  10-K  and the  Financial
               Statements  and Notes  thereto which are included at pages F-2 to
               F-21 of this Form 10-K.

          2.   Exhibits.

       Exhibit
        Number                   Description
       -------                   -----------
          3.1* Certificate of Incorporation of the Company.

          3.2* Bylaws of the Company.

          4.1* Specimen of Common Stock certificate of the Company.

          4.2* Rights  Agreement  dated as of May 19, 1994,  between the Company
               and The First National Bank of Boston.

          10.1* Form of Indemnification Agreement.

          10.2* 1994 Incentive Plan.**

          10.3* 1994 Employee Stock Purchase Plan.**

          10.4  Agreement Regarding Terms of Employment.

          11.0 Computation of Earnings Per Share.

          21.1 Subsidiaries of the Company.

          23.0 Consent of Independent Accountants.

          24.0 Power of Attorney (included on page 35).

          99.1 Certification  of Chief  Executive  Officer  and Chief  Financial
               Officer

* Incorporated by reference to the Company's  Registration Statement on Form S-1
(Reg. No. 33-88386) declared effective March 13, 1995.

** Management Contract or Compensatory, Plan or Arrangement.

     (b) Reports on Form 8-K

          Not Applicable.

     (c) Exhibits

          See Item 15(a)(2) above.







                                   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.

                                   Registrant

                        NATIONAL INSTRUMENTS CORPORATION

January 26, 2003                         BY:/s/ Dr. James J. Truchard
                                            Dr. James J. Truchard
                                            Chairman of the Board and President

                                POWER OF ATTORNEY

     KNOW ALL  PERSONS  BY THESE  PRESENTS,  that each  person  whose  signature
appears  below  constitutes  and appoints Dr. James J. Truchard and Alexander M.
Davern,  jointly and severally,  his  attorneys-in-fact,  each with the power of
substitution,  for him in any and all capacities, to sign any amendments to this
Report on Form  10-K,  and to file the same,  with  exhibits  thereto  and other
documents in connection therewith,  with the Securities and Exchange Commission,
hereby ratifying and conforming all that each of said attorneys-in-fact,  or his
substitute or substitutes, any do or cause to be done by virtue hereof.

     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.

- --------------------------------------------------------------------------------
    Signature              Capacity in Which Signed               Date
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

/s/ James J. Truchard      Chairman of the Board and
Dr. James J. Truchard    President (Principal Executive        January 26, 2003
                                   Officer)

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

/s/ Alexander M. Davern     Chief Financial Officer and
Alexander M. Davern        Treasurer (Principal Financial      January 27, 2003
                              and Accounting Officer)

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

/s/ Jeffrey L. Kodosky
Jeffrey L. Kodosky                  Director                   January 24, 2003

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

/s/ Dr. Donald M. Carlton
Dr. Donald M. Carlton               Director                   January 24, 2003

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

/s/ Ben G. Streetman
Ben G. Streetman                    Director                   January 27, 2003

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

/s/ R. Gary Daniels
R. Gary Daniels                     Director                   January 26, 2003

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

/s/ Charles J. Roesslein
Charles J. Roesslein                Director                   January 25, 2003

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

/s/ Duy-Loan T. Le
Duy-Loan T. Le                      Director                   January 27, 2003

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


I, James Truchard, certify that:


1.   I have  reviewed  this annual  report on Form 10-K of National  Instruments
     Corporation;


2.   Based on my  knowledge,  this  annual  report  does not  contain any untrue
     statement of a material fact or omit to state a material fact  necessary to
     make the statements  made, in light of the  circumstances  under which such
     statements  were made, not misleading with respect to the period covered by
     this annual report;


3.   Based on my  knowledge,  the  financial  statements,  and  other  financial
     information included in this annual report,  fairly present in all material
     respects the financial  condition,  results of operations and cash flows of
     the registrant as of, and for, the periods presented in this annual report;


4.   The  registrant's  other  certifying  officers  and I are  responsible  for
     establishing and maintaining disclosure controls and procedures (as defined
     in Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:


     a)   designed  such  disclosure  controls  and  procedures  to ensure  that
          material  information  relating  to  the  registrant,   including  its
          consolidated subsidiaries,  is made known to us by others within those
          entities,  particularly  during the period in which this annual report
          is being prepared;


     b)   evaluated the  effectiveness of the registrant's  disclosure  controls
          and procedures as of a date within 90 days prior to the filing date of
          this annual report (the "Evaluation Date"); and


     c)   presented   in  this   annual   report  our   conclusions   about  the
          effectiveness  of the disclosure  controls and procedures based on our
          evaluation as of the Evaluation Date;


5.   The registrant's other certifying  officers and I have disclosed,  based on
     our most recent  evaluation,  to the  registrant's  auditors  and the audit
     committee of  registrant's  board of directors (or persons  performing  the
     equivalent functions):


     a)   all  significant  deficiencies  in the design or operation of internal
          controls  which could  adversely  affect the  registrant's  ability to
          record,  process,   summarize  and  report  financial  data  and  have
          identified for the  registrant's  auditors any material  weaknesses in
          internal controls; and


     b)   any fraud, whether or not material,  that involves management or other
          employees who have a  significant  role in the  registrant's  internal
          controls; and


6.   The  registrant's  other  certifying  officers and I have indicated in this
     annual  report  whether or not there were  significant  changes in internal
     controls  or in other  factors  that could  significantly  affect  internal
     controls  subsequent to the date of our most recent  evaluation,  including
     any corrective actions with regard to significant deficiencies and material
     weaknesses.


Date: January 26, 2003

                                         /s/ James Truchard
                                             James Truchard
                                             Chief Executive Officer



I, Alexander Davern, certify that:


1.   I have  reviewed  this annual  report on Form 10-K of National  Instruments
     Corporation;


2.   Based on my  knowledge,  this  annual  report  does not  contain any untrue
     statement of a material fact or omit to state a material fact  necessary to
     make the statements  made, in light of the  circumstances  under which such
     statements  were made, not misleading with respect to the period covered by
     this annual report;


3.   Based on my  knowledge,  the  financial  statements,  and  other  financial
     information included in this annual report,  fairly present in all material
     respects the financial  condition,  results of operations and cash flows of
     the registrant as of, and for, the periods presented in this annual report;


4.   The  registrant's  other  certifying  officers  and I are  responsible  for
     establishing and maintaining disclosure controls and procedures (as defined
     in Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:


     a)   designed  such  disclosure  controls  and  procedures  to ensure  that
          material  information  relating  to  the  registrant,   including  its
          consolidated subsidiaries,  is made known to us by others within those
          entities,  particularly  during the period in which this annual report
          is being prepared;


     b)   evaluated the  effectiveness of the registrant's  disclosure  controls
          and procedures as of a date within 90 days prior to the filing date of
          this annual report (the "Evaluation Date"); and


     c)   presented   in  this   annual   report  our   conclusions   about  the
          effectiveness  of the disclosure  controls and procedures based on our
          evaluation as of the Evaluation Date;


5.   The registrant's other certifying  officers and I have disclosed,  based on
     our most recent  evaluation,  to the  registrant's  auditors  and the audit
     committee of  registrant's  board of directors (or persons  performing  the
     equivalent functions):


     a)   all  significant  deficiencies  in the design or operation of internal
          controls  which could  adversely  affect the  registrant's  ability to
          record,  process,   summarize  and  report  financial  data  and  have
          identified for the  registrant's  auditors any material  weaknesses in
          internal controls; and


     b)   any fraud, whether or not material,  that involves management or other
          employees who have a  significant  role in the  registrant's  internal
          controls; and


6.   The  registrant's  other  certifying  officers and I have indicated in this
     annual  report  whether or not there were  significant  changes in internal
     controls  or in other  factors  that could  significantly  affect  internal
     controls  subsequent to the date of our most recent  evaluation,  including
     any corrective actions with regard to significant deficiencies and material
     weaknesses.


Date: January 27, 2003

                                         /s/ Alexander Davern
                                             Alexander Davern
                                             Chief Financial Officer



                        NATIONAL INSTRUMENTS CORPORATION

                          INDEX TO FINANCIAL STATEMENTS

                                                                            Page
                                                                             No.
Financial Statements:                                                       ----
Report of Independent Accountants..........................................  F-2
Consolidated Balance Sheets as of December 31, 2002 and 2001...............  F-3
Consolidated Statements of Income for each of the Three Years Ended
December 31, 2002..........................................................  F-4
Consolidated Statements of Cash Flows for each of the Three Years Ended
December 31, 2002..........................................................  F-5
Consolidated Statements of Stockholders' Equity for each of the Three Years
Ended December 31, 2002....................................................  F-6
Notes to Consolidated Financial Statements.................................  F-7
Financial Statement Schedules:
For each of the Three Years Ended December 31, 2002
    Schedule II--Valuation and Qualifying Accounts.........................  S-1

    All other schedules are omitted because they are not applicable.



                        Report of Independent Accountants

To the Board of Directors and Stockholders of National Instruments Corporation

     In  our  opinion,  the  consolidated  financial  statements  listed  in the
accompanying  index  present  fairly,  in all material  respects,  the financial
position of National  Instruments  Corporation and its  subsidiaries at December
31, 2002 and 2001, and the results of their  operations and their cash flows for
each of the three years in the period ended December 31, 2002 in conformity with
accounting  principles  generally  accepted in the United States of America.  In
addition,  in our  opinion,  the  financial  statement  schedule  listed  in the
accompanying  index presents fairly, in all material  respects,  the information
set  forth  therein  when  read in  conjunction  with the  related  consolidated
financial  statements.   These  financial  statements  and  financial  statement
schedule are the responsibility of the Company's management;  our responsibility
is to express an opinion on these financial  statements and financial  statement
schedule  based on our audits.  We conducted  our audits of these  statements in
accordance with auditing  standards  generally  accepted in the United States of
America,  which require that we plan and perform the audits to obtain reasonable
assurance   about  whether  the  financial   statements  are  free  of  material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the  amounts  and  disclosures  in  the  financial  statements,   assessing  the
accounting  principles  used and significant  estimates made by management,  and
evaluating the overall  financial  statement  presentation.  We believe that our
audits provide a reasonable basis for our opinion.


                                        /s/   PRICEWATERHOUSECOOPERS LLP
                                              PricewaterhouseCoopers LLP

Austin, Texas
January 27, 2003




                        NATIONAL INSTRUMENTS CORPORATION

                           CONSOLIDATED BALANCE SHEETS
                        (In thousands, except share data)

                                                               December 31,
                                                             2002        2001
                                                          ----------  ----------
                                     ASSETS

Current assets:
    Cash and cash equivalents...........................  $  40,240   $  49,089
    Short-term investments..............................    113,638     101,422
    Accounts receivable, net............................     62,981      53,624
    Inventories, net....................................     39,247      32,607
    Prepaid expenses and other current assets...........     13,756      20,608
    Deferred income taxes, net..........................      8,104       6,408
                                                          ----------  ----------
       Total current assets.............................    277,966     263,758
    Property and equipment, net.........................    152,133     137,360
    Intangibles and other assets........................     28,615      23,501
                                                          ----------  ----------
       Total assets.....................................  $ 458,714   $ 424,619
                                                          ==========  ==========

                      LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:
    Accounts payable....................................  $  25,578   $  28,958
    Accrued compensation................................      9,555       8,944
    Accrued expenses and other liabilities..............     13,507       6,819
    Income taxes payable................................      6,153       1,298
    Other taxes payable.................................     11,720       7,903
                                                          ----------  ----------
       Total current liabilities........................     66,513      53,922
Deferred income taxes, net..............................      5,738       4,533
                                                          ----------  ----------
       Total liabilities................................     72,251      58,455
                                                          ----------  ----------
Commitments and contingencies (Note 13)
Stockholders' equity:
    Common stock: par value $0.01; 180,000,000 shares
    authorized;51,074,607 and 51,162,469 shares issued
    and outstanding, respectively.......................        511         512
    Additional paid-in capital..........................     72,063      78,261
    Retained earnings...................................    321,813     290,408
    Accumulated other comprehensive loss................     (7,924)     (3,017)
                                                          ----------  ----------
       Total stockholders' equity.......................    386,463     366,164
                                                          ----------  ----------
       Total liabilities and stockholders' equity.......  $ 458,714   $ 424,619
                                                          ==========  ==========


The  accompanying  notes are an integral  part of these  consolidated  financial
statements.




                        NATIONAL INSTRUMENTS CORPORATION

                        CONSOLIDATED STATEMENTS OF INCOME
                      (In thousands, except per share data)

                                                         For the Years
                                                       Ended December 31,
                                                 2002        2001        2000
                                              ----------  ----------  ----------
Net sales..................................   $ 390,790   $ 385,275   $ 410,149
Cost of sales..............................     105,086     101,297      98,326
                                              ----------  ----------  ----------
    Gross profit...........................     285,704     283,978     311,823
                                              ----------  ----------  ----------
Operating expenses:
    Sales and marketing....................     145,671     145,555     147,377
    Research and development...............      63,964      60,745      55,954
    General and administrative.............      35,714      29,234      32,077
                                              ----------  ----------  ----------
       Total operating expenses............     245,349     235,534     235,408
                                              ----------  ----------  ----------
    Operating income.......................      40,355      48,444      76,415
Other income (expense):
    Interest income........................       3,295       5,837       6,390
    Interest expense.......................        (128)        (26)       (533)
    Net foreign exchange loss..............        (724)     (1,424)     (1,482)
    Other income, net......................         820         702         323
                                              ----------  ----------  ----------
Income before income taxes.................      43,618      53,533      81,113
Provision for income taxes.................      12,213      17,131      25,956
       Net income..........................   $  31,405   $  36,402   $  55,157
                                              ==========  ==========  ==========

Basic earnings per share...................   $    0.61   $    0.72   $    1.10
                                              ==========  ==========  ==========
Weighted average shares
 outstanding - basic.......................      51,219      50,910      50,332
                                              ==========  ==========  ==========

Diluted earnings per share.................   $    0.59   $    0.68   $    1.03
                                              ==========  ==========  ==========
Weighted average shares
 outstanding - diluted.....................      53,411      53,651      53,564
                                              ==========  ==========  ==========



The  accompanying  notes are an integral  part of these  consolidated  financial
statements.




                        NATIONAL INSTRUMENTS CORPORATION

                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (In thousands)



                                                            For the Years Ended
                                                                December 31,
                                                       2002        2001        2000
                                                    ----------  ----------  ----------
                                                                   
Cash flow from operating activities:
Net income........................................  $  31,405   $  36,402   $  55,157
Adjustments to reconcile net income to cash
 provided by operating activities:
  Charges to income not requiring cash outlays:
    Depreciation and amortization.................     20,748      16,802      16,345
    Provision (benefit) for deferred income taxes.       (207)        822        (832)
    Tax benefit from stock option plans...........      1,835       1,665       1,363
  Changes in operating assets and liabilities:
    Decrease (increase) in accounts receivable....     (9,357)     21,080     (16,425)
    Decrease (increase) in inventory..............     (6,640)        685      (7,131)
    Decrease (increase) in prepaid expenses
     and other assets.............................      1,823      (9,574)     (1,655)
    (Decrease) increase in accounts payable.......     (3,380)     (1,407)      7,047
    (Decrease) increase in taxes and other
     liabilities..................................     12,906      (9,322)      1,127
                                                    ----------  ----------  ----------
       Net cash provided by operating activities..     49,133      57,153      54,996
                                                    ----------  ----------  ----------
Cash flow from investing activities:
Capital expenditures..............................    (30,817)    (65,274)    (27,631)
Additions to intangibles..........................     (8,750)     (4,903)     (6,930)
Purchases of short-term investments...............   (134,434)   (149,505)    (97,685)
Sales of short-term investments...................    122,218     127,608     101,685
                                                    ----------  ----------  ----------
       Net cash used in investing activities......    (51,783)    (92,074)    (30,561)
                                                    ----------  ----------  ----------
Cash flow from financing activities:
Repayments of long-term debt......................         --          --      (5,177)
Proceeds from issuance of common stock............     13,424      12,242      10,710
Repurchase of common stock........................    (19,623)     (3,509)         --
                                                    ----------  ----------  ----------
       Net cash provided by (used in) financing
        activities................................     (6,199)      8,733       5,533
                                                    ----------  ----------  ----------
Net increase (decrease) in cash and cash
 equivalents......................................     (8,849)    (26,188)     29,968
Cash and cash equivalents at beginning of period..     49,089      75,277      45,309
                                                    ----------  ----------  ----------
Cash and cash equivalents at end of period........  $  40,240   $  49,089   $  75,277
                                                    ==========  ==========  ==========
Cash paid for interest and income taxes
    Interest......................................  $     128   $      26   $     601
    Income taxes..................................  $   5,052   $  15,814   $  26,776



The  accompanying  notes are an integral  part of these  consolidated  financial
statements.



                        NATIONAL INSTRUMENTS CORPORATION

                 CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
                        (In thousands, except share data)



                                                                                               Accumulated
                                                      Common    Common  Additional                Other         Total
                                                      Stock     Stock    Paid-In    Retained  Comprehensive  Stockholders'
                                                     (Shares)   Amount   Capital    Earnings   Gain/(Loss)      Equity
                                                    ----------  ------  ----------  --------  -------------  -------------
                                                                                           
Balance at December 31, 1999......................  50,047,182  $ 500   $  58,830   $198,849   $  (3,944)     $  254,235
Net income........................................                                    55,157                      55,157
Foreign currency translation adjustment
  (net of $1,126 tax benefit).....................                                    (2,090)                     (2,090)

Unrealized gain on securities available for sale..
  (net of $75 tax expense)........................                                       202                         202
Unrealized gain on derivative instruments
  (net of $1,512 tax expense).....................                                     2,809                       2,809
Issuance of common stock under employee plans.....     587,421      6      10,704                                 10,710
                                                    ----------  ------  ----------  --------  -------------  -------------
Balance at December 31, 2000......................  50,634,603  $ 506   $  69,534   $254,006   $  (3,023)     $  321,023
Net income........................................                                    36,402                      36,402
Foreign currency translation adjustment
  (net of $1,137 tax benefit).....................                                                (2,417)         (2,417)
Unrealized loss on securities available for sale
  (net of $0 tax benefit).........................                                                  (167)           (167)
Unrealized gain on derivative instruments
  (net of $1,449 tax expense).....................                                                 2,590           2,590
Issuance of common stock under employee plans.....     649,666      6      12,236                                 12,242
Repurchase and retirement of common stock.........    (121,800)            (3,509)                                (3,509)
                                                    ----------  ------  ----------  --------  -------------  -------------
Balance at December 31, 2001......................  51,162,469  $ 512   $  78,261   $290,408   $  (3,017)     $  366,164
Net income........................................                                    31,405                      31,405
Foreign currency translation adjustment
  (net of $1,355 tax expense).....................                                                 3,483           3,483
Unrealized gain on securities available for sale
  (net of $0 tax benefit).........................                                                   147             147
Unrealized loss on derivative instruments
  (net of $3,320 tax benefit).....................                                                (8,537)         (8,537)
Issuance of common stock under employee plans.....     725,488      7      13,417                                 13,424
Repurchase and retirement of common stock.........    (813,350)    (8)    (19,615)                               (19,623)
                                                    ----------  ------  ----------  --------  -------------  -------------
Balance at December 31, 2002......................  51,074,607  $ 511   $  72,063   $321,813   $  (7,924)     $  386,463





The  accompanying  notes are an integral  part of these  consolidated  financial
statements.





                        NATIONAL INSTRUMENTS CORPORATION

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Note 1:   Operations and summary of significant accounting policies

     National Instruments Corporation (the "Company") is a Delaware Corporation.
The Company  engages in the design,  development,  manufacture  and marketing of
instrumentation  software and specialty  computer  plug-in cards and accessories
that users combine with industry standard  computers,  networks and the Internet
to create  measurement  and automation  systems.  The Company offers hundreds of
products used to create virtual instrumentation systems for general, commercial,
industrial and scientific  applications.  The Company's  products may be used in
different environments, and consequently,  specific application of the Company's
products is  determined  by the  customer and often is not known to the Company.
The Company approaches all markets with essentially the same products, which are
used in a variety of  applications  from research and  development to production
testing and industrial  control.  The following  industries and applications are
served  worldwide  by the Company:  advanced  research,  automotive,  commercial
aerospace,   computers  and  electronics,   continuous  process   manufacturing,
education,  government/defense,  medical research/pharmaceutical,  power/energy,
semiconductors,  automated test equipment,  telecommunications  and others.  The
financial statements have been prepared in accordance with accounting principles
generally accepted in the United States of America.


     Principles of consolidation

     The consolidated  financial  statements include the accounts of the Company
and its wholly-owned  subsidiaries.  All significant  intercompany  accounts and
transactions have been eliminated.

     Certain prior year amounts have been  reclassified to conform with the 2002
presentation.


     Use of estimates

     Judgments and estimates by management  are required in the  preparation  of
financial   statements  to  conform  with  U.S.  generally  accepted  accounting
principles. The estimates and underlying assumptions affect the reported amounts
of assets and liabilities,  the disclosure of contingencies at the balance sheet
date and the reported revenues and expenses for the period. Actual results could
differ from those estimates.


     Cash and cash equivalents

     Cash and cash equivalents  include cash and highly liquid  investments with
original maturities of three months or less at the date of acquisition.


     Short-term investments

     Short-term investments consist of corporate, state and municipal securities
with readily  determinable fair market values and original  maturities in excess
of three months.  Investments with maturities  beyond one year may be classified
as short-term  based on their highly  liquid nature and because such  marketable
securities  represent  the  investment  of cash that is  available  for  current
operations.  The Company's investments are classified as available-for-sale  and
accordingly  are  reported  at fair  value,  with  unrealized  gains and  losses
reported as other  comprehensive  income.  Unrealized losses are charged against
income when a decline in fair value is  determined  to be other than  temporary.
The specific  identification  method is used to determine the cost of securities
sold.


     Inventories

     Inventories are stated at the  lower-of-cost or market.  Cost is determined
using standard costs,  which  approximate the first-in  first-out (FIFO) method.
Cost  includes  the  acquisition  cost  of  purchased   components,   parts  and
subassemblies,   in-bound  freight  costs,   labor  and  overhead.   Market,  is
replacement cost with respect to raw materials and, is net realizable value with
respect to work in process and finished goods.

     Inventory  is shown net of  valuation  allowance  for excess  and  obsolete
inventories  of $3.5  million and $2.9  million at  December  31, 2002 and 2001,
respectively.


     Property and equipment

     Property and equipment are recorded at cost. Depreciation is computed using
the  straight-line  method over the estimated useful lives of the assets,  which
range  from  twenty  to forty  years  for  buildings,  three to seven  years for
purchased internal use software and three to five years for equipment. Leasehold
improvements  are  depreciated  over the shorter of the life of the lease or the
asset.


     Intangible assets

     The  Company  has   capitalized   costs  related  to  the  development  and
acquisition  of certain  software  products.  In  accordance  with  Statement of
Financial  Accounting  Standards  ("SFAS") No. 86,  Accounting  for the Costs of
Computer  Software to Be Sold, Leased or Otherwise  Marketed,  capitalization of
costs begins when  technological  feasibility has been established and ends when
the  product  is  available  for  general  release to  customers.  Technological
feasibility for Ntaional Instruments products is established when the product is
available for beta release.  Amortization  is computed on an individual  product
basis for those products  available for market and has been recognized  based on
the  product's  estimated  economic  life,  generally  three years.  Patents are
amortized using the straight-line method over their estimated period of benefit,
generally seventeen years. At each balance sheet date, the unamortized costs for
all  intanbigle  assets are reviewed by management and reduced to net realizable
value when necessary.

     The  excess  purchase  price  over the fair  value of  assets  acquired  is
recorded  as  goodwill.  Beginning  in 2002 with the  adoption  of SFAS No. 142,
Goodwill  and Other  Intangible  Assets,  goodwill is no longer  amortized,  but
instead tested for  impairment at least  annually.  Prior to 2002,  goodwill was
amortized using the  straight-line  method over its estimated period of benefit,
ten years.


     Concentrations of credit risk

     Financial   instruments   that   potentially   subject   the   Company   to
concentrations  of credit risk consist  principally of foreign  currency forward
and option  contracts,  cash and cash  equivalents,  short-term  investments and
trade accounts receivable. In management's opinion, no significant concentration
of credit risk exists for the Company.

     The Company's  counterparties  in its foreign  currency  forward and option
contracts  are major  financial  institutions.  The Company does not  anticipate
nonperformance  by these  counterparties.  The Company  maintains  cash and cash
equivalents  with  various  financial  institutions  located  in many  countries
worldwide.  The  Company's  short-term  investments  are  diversified  among and
limited to high-quality  securities with high credit ratings.  Concentration  of
credit  risk with  respect to trade  accounts  receivable  is limited due to the
large  number of  customers  and their  dispersion  across  many  countries  and
industries.  The amount of sales to any individual customer did not exceed 3% of
revenue for the periods presented.  The amount of trade accounts receivable from
any individual customer at December 31, 2002 was approximately $600,000.


     Revenue recognition

     Sales revenue is generally recognized on the date the product is shipped to
the  customer.  Provision is made for  estimated  sales  returns based on actual
historical  experience.  Revenue related to the sale of maintenance contracts is
deferred  and  amortized  on a  straight-line  basis  over the  service  period.
Deferred  revenue at December 31, 2002 and 2001 is $5.4 million and $4.2 million
respectively.

     Accounts  receivable  are net of allowances  for doubtful  accounts of $3.8
million and $4.9 million at December 31, 2002 and 2001, respectively.


     Warranty expense

     The Company offers a one-year  limited  warranty on most hardware  products
and a 90-day warranty on software products, which is included in the sales price
of many of its products.  Provision is made for estimated  future warranty costs
at the time of sale.

     The warranty reserve at December 31, was as follows (in thousands):

                                                              Dollar Amount of
                                                                 Liability
                                                             ------------------
                                                               2002       2001
                                                             --------  --------
Balance at the beginning of the period....................   $   865   $   715
Accruals for warranties issued during the period..........       988     1,484
Settlements  made (in cash or in kind) during the period..    (1,138)   (1,334)
                                                             --------  --------
Balance at the end of the period..........................   $   715   $   865
                                                             ========  ========


     Legal defense costs

     The Company  accrues for legal defense costs on an  undiscounted  basis, in
accordance with SFAS No. 5, Accounting for Loss  Contingencies,  when such costs
are  considered  probable of being incurred and are  reasonably  estimable.  The
Company  periodically  evaluates  available   information,   both  internal  and
external, relative to such contingencies and adjusts this accrual as necessary.


     Advertising expense

     The Company  expenses its costs of  advertising  as  incurred.  Advertising
expense for the years ended  December 31, 2002,  2001 and 2000 is $29.6 million,
$30.4 million and $35.4 million, respectively.


     Foreign currency translation

     The functional currency for the Company's  international  operations is the
applicable  local currency.  The assets and liabilities of these  operations are
translated  at the rate of exchange in effect on the balance  sheet date;  sales
and expenses are translated at average rates. The resultant gains or losses from
translation are included in a separate component of other comprehensive  income.
Gains and  losses  resulting  from  remeasuring  monetary  asset  and  liability
accounts that are denominated in a currency other than a subsidiary's functional
currency are included in determining net income.


     Foreign currency hedging instruments

     All of the Company's  derivative  instruments are recognized on the balance
sheet at their fair value.  The Company  currently uses foreign currency forward
and  purchased  option  contracts  to hedge its  exposure  to  material  foreign
currency denominated receivables and forecasted foreign currency cash flows.

     On the date the derivative contract is entered into, the Company designates
its  derivative  as  either  a hedge  of the  fair  value  of  foreign  currency
denominated receivables ("fair-value" hedge) or as a hedge of the variability of
foreign  currency cash flows to be received ("cash flow" hedge).  Changes in the
fair market value of a  fair-value  hedge are  recorded,  along with the loss or
gain  on the  re-measurement  of  foreign-currency-denominated  receivables,  in
current  earnings.  Changes  in the fair  value of  derivatives  that are highly
effective  as--and that are  designated  and qualify  as--cash flow hedges under
SFAS No. 133 are  recorded  in other  comprehensive  income.  These  amounts are
subsequently  reclassified  into  earnings in the period  during which the hedge
transaction is realized.  The Company does not enter into  derivative  contracts
for speculative purposes.

     The  Company   formally   documents  all   relationships   between  hedging
instruments  and hedged  items,  as well as its  risk-management  objective  and
strategy for  undertaking  various  hedge  transactions.  This process  includes
linking all derivatives that are designated as fair-value or cash flow hedges to
specific  assets  and  liabilities  on the  balance  sheet or to  specific  firm
commitments or forecasted transactions. The Company also formally assesses, both
at the hedge's  inception and on an ongoing basis,  whether the derivatives that
are used to hedge  forecasted  transactions  are highly  effective in offsetting
changes in cash flows of hedged items.

     The  Company  prospectively  discontinues  hedge  accounting  if  (1) it is
determined  that the  derivative  is no longer  highly  effective in  offsetting
changes  in the fair  value  or cash  flows of a  hedged  item  (including  firm
commitments or forecasted transactions);  (2) the derivative expires or is sold,
terminated  or  exercised;  (3)  the  derivative  is  de-designated  as a  hedge
instrument, because it is unlikely that a forecasted transaction will occur; (4)
the hedged firm commitment no longer meets the definition of a firm  commitment;
or (5)  management  determines  that  designation  of the  derivative as a hedge
instrument is no longer appropriate.

     When  hedge  accounting  is  discontinued  because  it is  probable  that a
forecasted  transaction  will not occur,  the  derivative  will  continue  to be
carried on the balance  sheet at its fair value,  and gains and losses that were
accumulated  in other  comprehensive  income will be recognized  immediately  in
earnings.  In all other situations  where hedge accounting is discontinued,  the
derivative will be carried at its fair value on the balance sheet,  with changes
in its fair value recognized in current-period earnings.


     Income taxes

     The Company  accounts for income taxes under the asset and liability method
as set forth in SFAS No. 109,  Accounting for Income Taxes.  Deferred tax assets
and  liabilities  are recognized for the expected tax  consequences of temporary
differences  between the tax bases of assets and  liabilities and their reported
amounts.  Valuation allowances are established when necessary to reduce deferred
tax assets to amounts which are more likely than not to be realized.


     Earnings per share

     Basic  earnings per share ("EPS") is computed by dividing net income by the
weighted average number of common shares outstanding during each period. Diluted
EPS is computed by dividing net income by the weighted  average number of common
shares and common  share  equivalents  outstanding  (if  dilutive)  during  each
period.  Common share  equivalents  include stock options.  The number of common
share  equivalents  outstanding  relating to stock options is computed using the
treasury stock method.

     The  reconciliation of the denominators used to calculate the basic EPS and
diluted EPS for the years ended December 31, 2002, 2001 and 2000,  respectively,
are as follows (in thousands):

                                                       Years Ended December 31,
                                                      2002      2001      2000
                                                    --------  --------  --------
    Weighted average shares outstanding-basic....    51,219    50,910    50,332
    Plus: Common share equivalents
     Stock options...............................     2,192     2,741     3,232
                                                    --------  --------  --------
    Weighted average shares outstanding-diluted..    53,411    53,651    53,564
                                                    ========  ========  ========

     Stock options to acquire  1,649,000,  1,394,000 and 990,000  shares for the
years ended December 31, 2002, 2001 and 2000,  respectively,  were excluded from
the  computations of diluted  earnings per share because the effect of including
stock options would have been anti-dilutive.

     Stock-based compensation plans

     The Company has two active stock-based  compensation plans and one inactive
plan. The two active stock-based compensation plans are the 1994 Incentive Stock
Option Plan and the  Employee  Stock  Purchase  Plan.  The  Company  follows the
disclosure-only   provisions  of  SFAS  No.  123,   Accounting  for  Stock-Based
Compensation.  As allowed by SFAS No. 123,  the Company  continues  to apply the
provisions of Accounting  Principles Board Opinion No. 25,  Accounting for Stock
issued to Employees and related  interpretations  in  accounting  for its plans.
Accordingly,  compensation  cost for stock options is measured as the excess, if
any, of the quoted market price of the Company's  stock at the date of the grant
over the amount an employee must pay to acquire the stock. No compensation  cost
has been recognized in the Company's  financial  statements for the stock option
plan and the stock  purchase  plan. If  compensation  cost for the Company's two
active stock-based compensation plans were determined based on the fair value at
the  grant  date for  awards  under  those  plans  consistent  with  the  method
established  by SFAS No. 123,  the  Company's  net income and earnings per share
would  approximate the pro-forma  amounts below (in thousands,  except per share
data):

                                                    Year Ended Deccember 31,
                                              ----------------------------------
                                                 2002        2001        2000
                                              ----------  ----------  ----------
Net income, as reported...................     $ 31,405    $ 36,402    $ 55,157

Stock-based compensation included in
 reported net income, net of related tax
 effects..................................           --          --          --
Total stock-based compensation expense
 determined under fair value method for
 all awards, net of related tax effects...      (14,019)    (14,086)    (10,850)
                                              ----------  ----------  ----------
Pro-forma net income......................     $ 17,386    $ 22,316    $ 44,307
                                              ----------  ----------  ----------
Earnings per share:
Basic - as reported.......................     $   0.61    $   0.72    $   1.10
Basic - pro-forma.........................     $   0.34    $   0.44    $   0.88
Diluted - as reported.....................     $   0.59    $   0.68    $   1.03
Diluted - pro-forma.......................     $   0.33    $   0.42    $   0.83


     Comprehensive income

     The Company follows SFAS No. 130,  Reporting  Comprehensive  Income,  which
established  standards for  reporting  comprehensive  income and its  components
including,  as applicable,  foreign  currency items,  minimum pension  liability
adjustments and unrealized  gains and losses on certain  investments in debt and
equity securities.  Total comprehensive income for 2002, 2001 and 2000 was $26.5
million, $36.4 million and $56.1 million, respectively.


     Recently issued accounting pronouncements

     In May 2002,  the Financial  Accounting  Standards  Board  ("FASB")  issued
Statement of Financial Accounting Standards ("SFAS") No. 145, Rescission of FASB
Statements No. 4, 44, and 64,  Amendment of FASB Statement No. 13, and Technical
Corrections  as of April 2002.  The  Statement  rescinds SFAS No. 4 and requires
that only unusual or  infrequent  gains and losses from  extinguishment  of debt
should be classified as  extraordinary  items,  consistent  with APB Opinion 30.
This  Statement  amends SFAS No. 13 to  eliminate an  inconsistency  between the
required accounting for sale-leaseback  transactions and the required accounting
for certain lease  modifications  that have economic effects that are similar to
sale-leaseback  transactions.   This  Statement  also  amends  certain  existing
authoritative  pronouncements  to make various  technical  corrections,  clarify
meanings, or describe their applicability under changed conditions.  The Company
adopted SFAS No 145 effective July 1, 2002. The adoption of SFAS No. 145 did not
have a material effect on our financial position or results of operations.

     In June 2002, the FASB issued SFAS No. 146, Accounting for Costs Associated
with Exit or Disposal Activities.  This Statement addresses financial accounting
and  reporting  for  costs  associated  with  exit or  disposal  activities  and
nullifies  Emerging  Issues  Task  Force  ("EITF")  Issue  No.  94-3,  Liability
Recognition for Certain Employee Termination Benefits and Other Costs to Exit an
Activity  (including Certain Costs Incurred in a Restructuring).  This Statement
requires  that a  liability  for a cost  associated  with an  exit  or  disposal
activity be recognized  when the liability is incurred as opposed to on the date
of an entity's commitment to an exit plan, which was the practice employed under
EITF Issue 94-3.  The  provisions  of this  Statement  are effective for exit or
disposal  activities  that are  initiated  after  December 31, 2002,  with early
application  encouraged.  SFAS No. 146 is not expected to have a material effect
on the Company's financial position or results of operations.

     In December 2002, the FASB issued SFAS No. 148,  Accounting for Stock-Based
Compensation - Transition and  Disclosure.  This Statement  amends SFAS No. 123,
Accounting  for  Stock-Based  Compensation,  to provide  alternative  methods of
transition  to SFAS No. 123's fair value method of  accounting  for  stock-based
employee  compensation.  This Statement also amends the disclosure  provision of
SFAS No. 123 and APB No. 28, Interim Financial Reporting,  to require disclosure
in the summary of significant  accounting policies of the effects of an entity's
accounting policy with respect to stock-based employee  compensation on reported
net income and  earnings per share in annual and interim  financial  statements.
The Company  adopted SFAS No. 148 effective  December 31, 2002.  The adoption of
SFAS No. 148 did not have a material effect on the Company's  financial position
or results of operations.


Note 2: Short-term investments

     Short-term  investments  at  December  31,  2002 and  2001,  consisting  of
corporate, state and municipal securities, were acquired at an aggregate cost of
$113.6 million and $101.0 million,  respectively.  The contractual maturities of
these securities, which are classified as available-for-sale and carried at fair
value, are as follows (in thousands):

                                                               December 31,
                                                             2002        2001
                                                          ----------  ----------
    Less than 90 days............................         $  33,237   $  14,004
    90 days to one year..........................            40,377      36,799
    One year through two years...................            38,876      23,233
    Two years through three years................             1,148      27,386
                                                          ----------  ----------
                                                          $ 113,638   $ 101,422
                                                          ==========  ==========


Note 3: Inventories

     Inventories, net consist of the following (in thousands):

                                                               December 31,
                                                             2002        2001
                                                          ----------  ----------
    Raw materials................................         $  21,127   $  15,394
    Work-in-process..............................             1,324         824
    Finished goods...............................            16,796      16,389
                                                          ----------  ----------
                                                          $  39,247   $  32,607
                                                          ==========  ==========

Note 4: Property and equipment

     Property and equipment consist of the following (in thousands):

                                                               December 31,
                                                             2002        2001
                                                          ----------  ----------
    Land.........................................         $   5,850   $   5,665
    Buildings....................................           121,320      66,819
    Furniture and equipment......................           114,166      93,608
                                                          ----------  ----------
                                                            241,336     166,092
    Accumulated depreciation.....................           (89,203)    (73,159)
    Construction-in-progress.....................                --      44,427
                                                          ----------  ----------
                                                          $  152,133  $ 137,360
                                                          ==========  ==========

     Depreciation  expense for the years ended December 31, 2002, 2001 and 2000,
was $16.0 million, $12.6 million and $12.8 million, respectively.


Note 5: Intangibles and other assets

     Intangibles  at December  31, 2002 and 2001  include  capitalized  software
development  costs  of  $9.3  million  and  $7.5  million  (net  of  accumulated
amortization of $15.6 million and $11.7 million), respectively, goodwill of $5.8
million and $4.9 million in 2002 and 2001 (net of  accumulated  amortization  of
$1.9 million and $1.6  million),  respectively,  and patents of $5.6 million and
$4.4 million in 2002 and 2001 (net of accumulated  amortization  of $1.1 million
and $731,000),  respectively.  Total amortization costs were $4.7 million,  $4.2
million and $3.5 million for the years ended  December 31, 2002,  2001 and 2000,
respectively.  Software development costs capitalized during 2002, 2001 and 2000
were $5.8  million,  $3.9 million and $5.0  million,  respectively,  and related
amortization was $3.8 million, $3.1 million and $2.6 million, respectively.

     In July 2001, the FASB issued SFAS No. 142,  Goodwill and Other  Intangible
Assets. SFAS No. 142, discontinues amortization of acquired goodwill and instead
requires annual impairment  testing.  The Company adopted SFAS No. 142 effective
January 1, 2002.  Adoption of SFAS No. 142 did not have a material impact on the
Company's financial position or results of operations.


Note 6: Income taxes

     The  components  of income  before the  provision  for income  taxes are as
follows (in thousands):

                                                      Years Ended December 31,
                                                      2002      2001      2000
                                                    --------  --------  --------
    Domestic....................................    $38,517   $47,085   $68,982
    Foreign.....................................      5,101     6,448    12,131
                                                    --------  --------  --------
                                                    $43,618   $53,533   $81,113

     The  provision  for income taxes  charged to  operations  is as follows (in
thousands):

                                                      Years Ended December 31,
                                                      2002      2001      2000
                                                    --------  --------  --------
    Current tax expense:
       U.S. federal.............................    $ 8,798   $12,856   $22,902
       State....................................        654     1,575     2,043
       Foreign..................................      2,968     1,878     1,843
                                                    --------  --------  --------
          Total current.........................     12,420    16,309    26,788
                                                    --------  --------  --------
    Deferred tax expense (benefit):
       U.S. federal.............................        580     1,078    (2,031)
       State....................................         56       123       (12)
       Foreign..................................       (843)     (379)     1,211
                                                    --------  --------  --------
          Total deferred........................       (207)      822      (832)
                                                    --------  --------  --------
          Total provision.......................    $12,213   $17,131   $25,956
                                                    ========  ========  ========


     Deferred tax liabilities  (assets) at December 31, 2002 and 2001 as follows
(in thousands):

                                                                 December 31,
                                                                2002      2001
                                                              --------  --------
    Capitalized software..................................    $ 3,246   $ 2,548
    Unrealized gain on derivative instruments.............        967     2,588
    Depreciation and amortization.........................      2,906     1,088
    Unrealized exchange gain..............................         --       381
    Accrued legal expenses................................        116        --
    Undistributed earnings of foreign subsidiaries........        183       114
                                                              --------  --------
     Gross deferred tax liabilities.......................      7,418     6,719
                                                              --------  --------
    Operating loss carryforwards..........................     (2,465)   (1,180)
    Vacation and other accruals...........................     (1,852)   (1,559)
    Inventory valuation and warranty provisions...........     (3,218)   (3,611)
    Doubtful accounts and sales provisions................     (1,184)   (1,615)
    Unrealized exchange loss..............................       (588)       --
    Intercompany profit...................................     (1,911)   (1,234)
    Accrued rent expenses.................................       (818)       --
    Accrued legal expenses................................        --      (319)
    Other.................................................       (473)     (797)
                                                              --------  --------
     Gross deferred tax assets............................    (12,509)  (10,315)
                                                              --------  --------
    Valuation allowance...................................        615       557
                                                              --------  --------
     Net deferred tax asset...............................    $(4,476)  $(3,039)
                                                              ========  ========

A reconciliation  of income taxes at the U.S. federal  statutory income tax rate
to the effective tax rate follows:

                                                                  Years Ended
                                                                  December 31,
                                                                2002  2001  2000
                                                                ----  ----  ----
    U.S. federal statutory tax rate............................  35%   35%   35%
    Foreign sales corporation/ETI benefit......................  (6)   (2)   (2)
    Foreign taxes more (less) than federal statutory rate......   2    (1)   (1)
    Research and development tax credit........................  (2)   (1)   --
    Tax exempt interest........................................  (2)   (2)   (2)
    State income taxes, net of federal tax benefit.............   1     3     2
                                                                ----  ----  ----
    Effective tax rate.........................................  28%   32%   32%
                                                                ====  ====  ====

     As of  December  31,  2002,  fifteen  of the  Company's  subsidiaries  have
available, for income tax purposes,  foreign net operating loss carryforwards of
approximately  $15.8 million, of which $1.3 million expire during the years 2005
- - 2010 and $14.5  million  of which may be  carried  forward  indefinitely.  The
Company's tax valuation  allowance relates to the realizability of these foreign
net  operating  loss  carryforwards.  The profit  from the  Company's  Hungarian
operation  is  currently  exempt  from  income tax.  These  benefits  may not be
available in the future due to changes in Hungary's  political  condition and/or
tax laws.

     The  Company  has  not  provided  for  U.S.   federal  income  and  foreign
withholding   taxes  on   approximately   $9.4   million  of  certain   non-U.S.
subsidiaries'  undistributed  earnings as of December 31, 2002.  These  earnings
would  become  subject  to taxes of  approximately  $2.3  million,  if they were
actually or deemed to be remitted to the parent  company as  dividends or if the
Company  should  sell its stock in these  subsidiaries.  The  Company  currently
intends to reinvest indefinitely these undistributed earnings.


Note 7: Stockholders' equity

     Stock repurchases and retirements

     In 1998,  the  Company's  Board of Directors  approved the  repurchase  and
retirement  of shares  of common  stock to  reduce  the  dilutive  effect of the
Company's  stock plans.  Pursuant to this  repurchase  program,  the Company has
repurchased  and  retired a total of  935,150  shares  for  approximately  $23.1
million.


     Stock option plans

     The  stockholders  of the Company  approved the 1994 Incentive Stock Option
Plan on May 9, 1994. At the time of approval,  6,075,000 shares of the Company's
common stock were reserved for issuance  under this plan. In 1997, an additional
4,725,000  shares of the Company's common stock were reserved for issuance under
this plan.  The 1994 Plan,  administered  by the  Compensation  Committee of the
Board of  Directors,  provides for  granting of incentive  awards in the form of
stock options to directors,  executive officers and employees of the Company and
its subsidiaries.  Awards under the plan must be granted within ten years of the
effective date of the 1994 Plan.  Options granted may be either  incentive stock
options  within the  meaning  of Section  422 of the  Internal  Revenue  Code or
nonqualified options. The right to purchase shares vests over a five to ten-year
period,  beginning on the date of grant.  Stock options must be exercised within
ten years from date of grant.  Stock  options are issued at market  price at the
grant date. Shares available for grant at December 31, 2002 were 1,848,955.

     Transactions under all plans are summarized as follows:

                                                                        Weighted
                                                            Number of    average
                                                           shares under exercise
                                                              option      price
                                                           ------------ --------
Outstanding at December 31, 1999........................    5,516,962   $ 14.95
    Exercised...........................................     (443,544)    11.56
    Canceled............................................     (209,966)    24.98
    Granted.............................................    1,451,062     47.92
                                                           ------------ --------
Outstanding at December 31, 2000........................    6,314,514   $ 22.40
    Exercised...........................................     (388,474)    11.52
    Canceled............................................     (191,940)    33.00
    Granted.............................................    1,520,527     32.13
                                                           ------------ --------
Outstanding at December 31, 2001........................    7,254,627   $ 24.74
    Exercised...........................................     (386,012)    11.42
    Canceled............................................     (173,678)    36.07
    Granted.............................................      322,463     36.25
                                                           ------------ --------
Outstanding at December 31, 2002........................    7,017,400   $ 25.69
Options exercisable at December 31:
    2000................................................    2,964,530   $ 14.20
    2001................................................    3,683,015     17.52
    2002................................................    4,189,185     20.44

                                                                        Weighted
                                                            Number of    average
                                                           shares under   fair
                                                              option      value
                                                           ------------ --------
Weighted average, grant date fair value of options
 granted during:
    2000................................................    1,451,062   $ 25.17
    2001................................................    1,520,527     16.71
    2002................................................      322,463     17.65




                                                      December 31, 2002
                                  ----------------------------------------------------------
                                             Options Outstanding        Options Exercisable
                                  ----------------------------------  ----------------------
                                                          Weighted
                                               Weighted    average                  Weighted
                                   Number of    average   remaining     Number of   average
                                    options    exercise  contractual     options    exercise
         Exercise price           outstanding    price   life (yrs)    exercisable   price
         --------------           -----------  --------  -----------   -----------  --------
                                                                     
$ 6.44 - $ 8.89................    1,129,910   $ 8.09         3         1,086,710   $  8.06
  9.11 -  14.44................    1,136,567    14.22         4           975,566     14.21
 14.83 -  22.96................    1,671,508    20.98         6         1,208,812     21.11
 23.33 -  30.50................    1,383,469    30.90         8           336,040     30.74
 31.56 -  51.56................    1,695,946    45.52         8           582,057     46.61
                                  -----------  --------  -----------   -----------  --------
                                   7,017,400   $25.69         6         4,189,185   $ 20.44


     The fair value of each option grant is estimated on the date of grant using
the  Black-Scholes  option-pricing  model  with the  following  weighted-average
assumptions:

                                                      2002      2001      2000
                                                    --------  --------  --------
    Dividend expense yield...................            0%        0%        0%
    Expected life............................       5 years   5 years   5 years
    Expected volatility......................         44.7%     43.1%     40.6%
    Risk-free interest rate..................          4.5%      4.7%      6.8%


     Employee stock purchase plan

     The  Company's  employee  stock  purchase  plan permits  substantially  all
domestic  employees  and  employees of  designated  subsidiaries  to acquire the
Company's  common  stock at a  purchase  price of 85% of the lower of the market
price at the beginning or the end of the participation  period.  The semi-annual
periods begin on October 1 and April 1 of each year.  Employees may designate up
to 15% of their  compensation  for the  purchase of common  stock.  Common stock
reserved for future employee purchases  aggregated  1,825,328 shares at December
31,  2002.  Shares  issued  under this plan were  357,955 in 2002.  The weighted
average  fair  value of the  employees'  purchase  rights,  as shown  below  was
estimated using the Black-Scholes model with the following assumptions:

                                                      2002      2001      2000
                                                    --------  --------  --------
    Dividend expense yield...................             0%        0%        0%
    Expected life............................       6 months  6 months  6 months
    Expected volatility......................            43%       41%       58%
    Risk-free interest rate..................           2.3%      5.1%      5.6%

     Weighted  average,  grant date fair value of purchase  rights granted under
the Employee Stock Purchase Plan:

                                                                      Weighted
                                                        Number        average
                                                       of shares     fair value
                                                     ------------- -------------
    2000.....................................           158,158       $ 14.54
    2001.....................................           290,082          7.95
    2002.....................................           323,265          7.76


     Stockholders' rights plan

     During 1995, the Board of Directors declared a dividend distribution of one
common share  purchase  right for each  outstanding  share of Common Stock.  The
rights become exercisable under certain conditions involving  acquisition of the
Company's  Common Stock.  Under certain  other  conditions  where the Company is
consolidated or merged,  each holder of a right shall have the right to receive,
upon exercise of the right,  shares of Common Stock of the Company, or acquiring
company,  having a value of twice the  exercise  price of the right.  The rights
expire on March 13, 2005,  and may be redeemed in whole by the Company for $0.01
per right. The rights are excluded from earnings per share computations  because
they  qualify as  contingent  shares and  therefore  are excluded as long as the
conditions that require issuance of the shares are not imminent.


Note 8: Employee retirement plan

     The Company has a defined contribution  retirement plan pursuant to Section
401(k) of the Internal Revenue Code.  Substantially all domestic  employees with
at least thirty days of continuous  service are eligible to participate  and may
contribute up to 15% of their  compensation.  The Board of Directors has elected
to make matching contributions equal to 50% of employee contributions, which may
be applied, to a maximum of 6% of each participant's compensation. Employees are
eligible for the Company's matching  contributions  after one year of continuous
service. Company contributions vest immediately.  The Company's policy prohibits
participants  from direct  investment  in shares of common stock of the Company.
Company  contributions  charged to expense were $1.8  million,  $1.6 million and
$1.3 million in 2002, 2001 and 2000, respectively.


Note 9: Financial instruments

     Fair value of financial instruments

     The estimated fair value amounts  disclosed  below have been  determined by
the Company using  available  market  information  and  valuation  methodologies
described  below.  However,  considerable  judgment is required in  interpreting
market data to develop these estimates of fair value. Accordingly, the estimates
presented herein are not necessarily  indicative of the amounts that the Company
could  realize  in a  current  market  exchange.  The  use of  different  market
assumptions  could have a  significant  effect on these  estimates.  For certain
financial  instruments  of the  Company,  including  cash and cash  equivalents,
accounts  receivable,  accounts  payable and accrued  liabilities,  the carrying
amount  approximates  fair  value  due  to  the  short-term  maturity  of  these
instruments.  The estimated fair values of the other assets (liabilities) of the
Company's remaining  financial  instruments at December 31, 2002 and 2001 are as
follows (in thousands):
                                                        December 31,
                                                 2002                2001
                                          ------------------  ------------------
                                          Carrying    Fair    Carrying    Fair
                                           Amount    Value     Amount    Value
                                          --------  --------  --------  --------
Short-term investments..................  $113,638  $113,638  $101,422  $101,422
Other assets/liabilities:
    Forward contracts...................    (2,685)   (2,685)    2,391     2,391
    Purchased options...................       694       694     2,873     2,873

     The fair values of short-term  investments and foreign currency forward and
purchased  option  contracts were estimated based upon quotes from brokers as of
the applicable balance sheet date.


Note 10: Derivative instruments and hedging activities

     The Company has operations in 40 countries.  Approximately fifty percent of
the  Company's  revenues are  generated  outside  North  America.  The Company's
activities  expose it to a variety of market  risks,  including  the  effects of
changes in  foreign-currency  exchange rates and interest rates. These financial
risks are  monitored  and  managed  by the  Company as an  integral  part of its
overall risk management program.

     The Company maintains a foreign-currency risk management strategy that uses
derivative   instruments   (foreign   currency  forward  and  purchased  options
contracts) to protect its interests from fluctuations in earnings and cash flows
caused  by  the   volatility   in  currency   exchange   rates.   Movements   in
foreign-currency  exchange  rates pose a risk to the  Company's  operations  and
competitive position,  since exchange rate changes may affect the profitability,
cash flow, and business and/or pricing strategies of non-U.S. based competitors.


     Foreign currency fair value and cash flow hedges

     The  Company's  foreign  sales  are  denominated  in the  customers'  local
currency.  The Company  purchases foreign currency forward and purchased options
contracts  as  hedges  of  forecasted  sales  that are  denominated  in  foreign
currencies  and as hedges of foreign  currency  denominated  receivables.  These
contracts  are  entered  into to  protect  against  the risk  that the  eventual
dollar-net-cash  inflows  resulting from such sales or firm  commitments will be
adversely affected by changes in exchange rates.

     The Company held forward  contracts  with notional  amounts  totaling $24.1
million and $31.9 million at December 31, 2002 and 2001, respectively, that were
designated  as foreign  currency  fair  value  hedges of the  Company's  foreign
denominated receivables. The fair value of these contracts, which are for 90-day
periods,  is a liability of $1.3  million at December 31, 2002,  and an asset of
$289,000 at December 31, 2001.  The Company  recorded a net loss of $4.9 million
and a net gain of $2.0 million for fair value hedges for the year ended December
31,  2002 and  2001,  respectively,  which was  recorded  in  "Foreign  Currency
Gain(Loss)." The Company hedges up to 90% of its outstanding foreign denominated
receivables.

     The Company held forward  contracts with a notional amount of $48.1 million
and $17.1 million and option  contracts  with notional  amounts  totaling  $86.4
million and $54.1 million at December 31, 2002 and 2001, respectively, that were
designated  as  foreign  currency  cash flow  hedges  related  to the  Company's
anticipated sales transactions. The fair value of these contracts, which are for
terms up to  thirty-six  months,  is a liability of $2.8 million at December 31,
2002,  and an asset of $4.2  million at December  31, 2001 and a net  unrealized
deferred loss of $2.8 million and net  unrealized  deferred gain of $4.2 million
at December  31, 2002 and 2001,  respectively,  recorded in  "Accumulated  Other
Comprehensive  Income."  The Company  hedges up to 100% of  anticipated  foreign
currency  denominated cash inflows for the following 1 to 36 months. The Company
recorded a net gain of $3.6  million  and $4.4  million for cash flow hedges for
the year ended December 31, 2002 and 2001,  respectively,  which was included in
"Net Revenue."

     As of December 31, 2002, $1.0 million of deferred gains on cash flow hedges
recorded  in  "Accumulated  Other  Comprehensive  Income"  are  expected  to  be
reclassified to earnings during the next twelve months. The actual foreign sales
expected to occur over the next twelve months will necessitate the reclassifying
to earnings of these derivative gains.

     Hedge ineffectiveness of a foreign currency option contract designated as a
cash flow hedge is measured by  comparing  the hedging  instrument's  cumulative
change in fair value from inception to maturity to the forecasted  transaction's
terminal   value.  No  amounts  were  excluded  from  the  assessment  of  hedge
effectiveness  for the year ended December 31, 2002. For the year ended December
31, 2001,  the Company  recognized  a net loss of $89,000  (reported in the "Net
Foreign  Exchange  Gain  (Loss)"  line  item in the  Consolidated  Statement  of
Income), which represented the net ineffectiveness of all cash-flow hedges.


Note 11: Segment information

     In  accordance  with  SFAS  No.  131,  Disclosures  about  Segments  of  an
Enterprise and Related  Information,  the Company determines  segments using the
management   approach.   The   management   approach   designates  the  internal
organization  that is used by  management  for making  operating  decisions  and
assessing  performance as the source of the Company's  reportable  segments.  It
also requires  disclosures  about  products and services,  geographic  areas and
major customers.

     While the Company  sells its  products to many  different  industries,  its
management  has chosen to organize  the Company by  geographic  areas,  and as a
result has determined that it has one reportable  segment.  Substantially all of
the  interest  income,  interest  expense,   depreciation  and  amortization  of
intangibles  is recorded in North  America.  Substantially  all of the Company's
goodwill and related  amortization is recorded in Europe.  Net sales,  operating
income and  identifiable  assets,  classified by the major  geographic  areas in
which the Company operates, are as follows (in thousands):

                                                    Years Ended December 31,
                                                 2002        2001        2000
                                              ----------  ----------  ----------
    Net sales:
    North America:
       Unaffiliated customer sales........    $ 195,770   $ 195,842   $ 215,960
       Geographic transfers...............       58,330      58,041      55,524
                                              ----------  ----------  ----------
                                                254,100     253,883     271,484
                                              ----------  ----------  ----------
    Europe:
       Unaffiliated customer sales........      122,800     128,523     136,355
       Geographic transfers...............       35,027       6,981          --
                                              ----------  ----------  ----------
                                                157,827     135,504     136,355
    Asia Pacific:
       Unaffiliated customer sales........       72,220      60,910      57,834
    Eliminations..........................      (93,357)    (65,022)    (55,524)
                                              ----------  ----------  ----------
                                              $ 390,790   $ 385,275   $ 410,149
                                              ==========  ==========  ==========

                                                    Years Ended December 31,
                                                 2002        2001        2000
                                              ----------  ----------  ----------
Operating income:
North America.............................    $  31,031   $  40,624   $  57,188
Europe....................................       37,789      41,229      48,180
Asia Pacific..............................       35,499      27,336      27,001
Unallocated:
Research and development expenses.........      (63,964)    (60,745)    (55,954)
                                              ----------  ----------  ----------
                                              $  40,355   $  48,444   $  76,415
                                              ==========  ==========  ==========

                                                   December 31,
                                                 2002        2001
                                              ----------  ----------
Identifiable assets:
North America.............................    $ 373,066   $ 349,209
Europe....................................       63,600      65,201
Asia Pacific..............................       22,048      10,209
                                              ----------  ----------
                                              $ 458,714   $ 424,619
                                              ==========  ==========

     Total sales outside the United  States for 2002,  2001 and 2000 were $212.7
million, $189.8 million and $217.3 million, respectively.


Note 12: Commitments, contingencies and leases

     The Company has commitments under noncancelable  operating leases primarily
for office  facilities  and  equipment.  Future  minimum  lease  payments  as of
December  31,  2002,  for  each  of the  next  five  years  are as  follows  (in
thousands):

       2003................................  $1,652
       2004................................   1,616
       2005................................     988
       2006................................     102
       Thereafter..........................      98
                                             ------
                                             $4,456
                                             ======

     During the  fourth  quarter  of 2002,  the  Company  and  Trilogy  Software
("Trilogy")  settled a dispute  regarding  Trilogy's buy-out of the lease of the
Company's  Millenium  office building which resulted in a gain of  approximately
$6.0 million from lease  termination.  As a result of additional  facility lease
consolidation,  the Company  incurred lease  termination  costs of approximately
$2.4  million in the fourth  quarter of 2002.  These  amounts  were  included in
general and administrative expenses.

     Rent expense under operating leases was  approximately  $6.3 million,  $5.4
million and $3.5 million for the years ended  December 31, 2002,  2001 and 2000,
respectively.

     As  of  December  31,  2002,  the  Company  has   non-cancelable   purchase
commitments  with  various  suppliers  of  customized  inventory  and  inventory
components totaling approximately $4.3 million over the next twelve months.

     As of December 31, 2002, the Company has outstanding guarantees for payment
of foreign operating leases,  customs and foreign grants totaling  approximately
$3.8 million.


Note 13: Litigation

     During 2001, the Company filed a complaint in U.S. District Court,  Western
District of Texas (Midland  Division) for  declaratory  judgment  arising from a
controversy between the Company and General Patent  Corporation,  General Patent
Corporation   International,   and  Acticon  Technologies,   LLC  ("Defendants")
concerning the enforceability,  validity, and infringement of certain patents in
which  Defendants  claim  an  interest.  Defendants  claimed  that  the  Company
infringed these patents.  The Company challenged the validity and enforceability
of these  patents and  asserted  that it does not  infringe  the claims of these
patents.   The  Company   sought  a  declaratory   judgment  of  invalidity  and
non-infringement. Defendants sought damages in an unspecified amount, injunction
of the sale of certain products of the Company and attorney's fees and costs. On
April 16, 2002, the case was dismissed by stipulation of the parties.

     The Company has filed two complaints in the U.S.  District  Court,  Eastern
District of Texas (Marshall Division) against The MathWorks,  Inc. ("Defendant")
for patent  infringement.  In the first  complaint,  filed January 25, 2001, the
Company  claims  that the  Defendant  infringes  certain of the  Company's  U.S.
patents.  The  Defendant  challenges  the validity and  enforceability  of these
patents and asserts that it does not infringe the claims of these  patents.  The
trial for this case began January 13, 2003 and is currently pending. The Company
expects a jury  verdict by the end of January,  2003.  In the second  complaint,
filed October 21, 2002, the Company claims that the Defendant  infringes certain
other of the Company's  U.S.  patents.  In each case, the Company seeks monetary
damages and  injunction of the sale of certain  products of the  Defendant.  The
Company  also  seeks  attorney's  fees and costs in the  second  case.  For both
complaints,  the Company  expects to incur legal  expenses of  approximately  $2
million during the first quarter of 2003. Due to the inherent  uncertainties  of
litigation,  there may be significant  changes in the amount and timing of these
expenses.


Note 14: Related party transactions

     In the fourth quarter of 2002, the Company  contributed  approximately $3.6
milion to the National Instruments Foundation, a 501(c)(3) charitable foundation
established  in 2002 for the purpose of continued  promotion of  scientific  and
engineering research and education at higher education  institutions  worldwide.
This  contribution was recorded as general and  administrative  expense in 2002.
Two of the four  directors of the National  Instruments  Foundation  are current
officers of National Instruments.

     During  2001,  the  Company  acquired a 10%  minority  interest  in another
company for $2.5 million.  Because of the Company's ownership percentage and its
lack of  control  and  inability  to exert  influence  over  this  entity,  this
investment is accounted for under the cost method.  Sales to this company during
2002 and 2001 were $141,000 and $96,000,  respectively.  Trade  receivables from
this  company at  December  31,  2002 and 2001 were  approximately  $28,000  and
$7,000, respectively. The Company has no other minority investments in any other
entities.


Note 15: Quarterly results (unaudited)

     The  following   quarterly   results  have  been  derived  from   unaudited
consolidated  financial  statements that, in the opinion of management,  reflect
all adjustments  (consisting only of normal recurring adjustments) necessary for
a fair presentation of such quarterly information. The operating results for any
quarter are not  necessarily  indicative  of the results to be expected  for any
future  period.  The unaudited  quarterly  financial  data for each of the eight
quarters in the two years ended  December 31, 2002 are as follows (in thousands,
except per share data):

                                                   Three Months Ended
                                          Mar. 31,  Jun. 30,  Sep. 30,  Dec. 31,
                                            2002      2002      2002      2002
                                          --------  --------  --------  --------
Net sales..........................       $ 94,739  $ 93,505  $ 96,020  $106,525
Gross profit.......................         69,381    66,902    70,824    78,597
Operating income...................         10,255     8,760     8,606    12,735
Net income.........................          7,367     7,388     6,685     9,965
Basic earnings per share...........       $   0.14  $   0.14  $   0.13  $   0.20
Weighted average shares
  outstanding-basic................         51,205    51,449    51,195    51,013
Diluted earnings per share.........       $   0.14  $   0.14  $   0.13  $   0.19
Weighted average shares
  outstanding-diluted..............         53,953    53,974    52,906    52,875


                                                   Three Months Ended
                                          Mar. 31,  Jun. 30,  Sep. 30,  Dec. 31,
                                            2001      2001      2001      2001
                                          --------  --------  --------  --------
Net sales..........................       $108,080  $ 97,707  $ 85,062  $ 94,426
Gross profit.......................         81,207    72,079    61,774    68,918
Operating income...................         19,890    12,085     6,509     9,960
Net income.........................         13,947     9,430     5,685     7,340
Basic earnings per share...........       $   0.28  $   0.19  $   0.11  $   0.14
Weighted average shares
  outstanding-basic................         50,701    50,887    50,956    51,095
Diluted earnings per share.........       $   0.26  $   0.18  $   0.11  $   0.14
Weighted average shares
  outstanding-diluted..............         53,873    53,450    53,288    53,524




                                                                     SCHEDULE II

                        NATIONAL INSTRUMENTS CORPORATION

                        VALUATION AND QUALIFYING ACCOUNTS
                                 (In thousands)

Allowance for doubtful accounts:



                                           Balance at  Provision for  Write-Offs  Balance at
                                           Beginning     Bad Debt     Charged to    End of
Year             Description               of Period      Expense     Allowances    Period
- ----             -----------               ----------  -------------  ----------  ----------
                                                                      
2000... Allowance for doubtful accounts    $  4,143    $  1,962       $  1,589    $  4,516
2001... Allowance for doubtful accounts       4,516       1,579          1,175       4,920
2002... Allowance for doubtful accounts       4,920        (840)           329       3,751



Valuation allowances for excess and obsolete inventories:



                                           Balance at    Provision    Write-Offs  Balance at
                                           Beginning    Charged to    Charged to    End of
Year               Description             of Period   Cost of Sales  Allowances    Period
- ----               -----------             ----------  -------------  ----------  ----------
                                                                      
2000... Valuation allowances for excess
        and obsolete inventories           $  2,354    $  1,090       $    978    $  2,466
2001... Valuation allowances for excess
        and obsolete inventories              2,466       1,082            682       2,866
2002... Valuation allowances for excess
        and obsolete inventories              2,866       1,818          1,212       3,472