KEITHLEY INSTRUMENTS INC
10-K, 1996-12-23
INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS
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<PAGE>   1





                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, D.C.  20549

                                   FORM 10-K

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

For fiscal year ended, SEPTEMBER 30, 1996        Commission file number 1-9965
                       ------------------                               -------

                          KEITHLEY INSTRUMENTS, INC.
                         (Exact name of registrant as
                           specified in its charter)

                OHIO                                     34-0794417       
- ----------------------------------------    -----------------------------------
(State of incorpoation or organization)    (I.R.S. Employer Identification No.)

   28775 AURORA ROAD, SOLON, OHIO                           44139            
- ----------------------------------------    -----------------------------------
(Address of principal executive offices)                  (Zip Code)


Registrant's telephone number, including area code     (216) 248-0400   
                                                   ----------------------

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


COMMON SHARES, WITHOUT PAR VALUE                 NEW YORK STOCK EXCHANGE
- --------------------------------         -------------------------------------
     (Title of each class)               (Name of exchange on which registered)


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, and (2) has been subject to such filing
requirements for the past 90 days.  Yes   X          No
                                         ---            ---

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of the 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. [   ]

As of December 17, 1996 there were outstanding 4,656,850 Common Shares, without
par value, and 2,794,278 Class B Common Shares, without par value.  At that
date, the aggregate market value of the Common Shares of the Registrant held by
non-affiliates was $42,227,722 and the aggregate market value of the Class B
Common Shares of the Registrant held by non-affiliates was $1,100,549 for a
total aggregate market value of all classes of Common Shares held by
non-affiliates of $43,328,271.  While the Class B Common Shares are not listed
for public trading on any exchange or market system, shares of that class are
convertible into Common Shares at any time on a share-for-share basis.  The
market values indicated were calculated based upon the last sale price of the
Common Shares as reported by the New York Stock Exchange on December 17, 1996,
which was $9.875.  For purposes of this information, the 380,625 Common Shares
and 2,682,830 Class B Common Shares which were held by the officers and
Directors of the Company were deemed to be voting stock held by affiliates.

                      DOCUMENTS INCORPORATED BY REFERENCE
<TABLE>
<CAPTION>
DOCUMENT                                                                                         Part of 10-K
- --------                                                                                         ------------
<S> <C>                                                                                          <C>
1.  Annual report to shareholders for the fiscal year ended September 30, 1996                   Parts I and II
    (only the portions listed in this report).
2.  Proxy statement for the annual meeting of shareholders to be held on February 15, 1997       Part III
    (only the portions listed in this report).
</TABLE>
<PAGE>   2
                           KEITHLEY INSTRUMENTS, INC.

                               10-K ANNUAL REPORT


                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
PART I:                   PAGE
                          ----
<S>                       <C>                                                                    <C>
         Item 1.          Business                                                                 1
         Item 2.          Properties                                                               9
         Item 3.          Legal Proceedings                                                      10
         Item 4.          Submission of Matters to a Vote of Security Holders                    10

PART II:

         Item 5.          Market for the Registrant's Common Equity and Related
                            Stockholder Matters                                                  13
         Item 6.          Selected Financial Data                                                13
         Item 7.          Management's Discussion and Analysis of Financial
                            Condition and Results of Operations                                  13
         Item 8.          Financial Statements and Supplementary Data                            13
         Item 9.          Changes in and Disagreements with Accountants on
                            Accounting and Financial Disclosure                                  13

PART III.

         Item 10.         Directors and Executive Officers of the Registrant                     14
         Item 11.         Executive Compensation                                                 14
         Item 12.         Security Ownership of Certain Beneficial Owners and
                            Management                                                           14
         Item 13.         Certain Relationships and Related Transactions                         14

PART IV:

         Item 14.         Exhibits, Financial Statement Schedules and Reports on
                            Form 8-K                                                             15
</TABLE>

<PAGE>   3
                                    PART I.

ITEM 1 - BUSINESS.

General

         Keithley Instruments, Inc. is a corporation which was founded in 1946
and organized under the laws of the State of Ohio on October 1, 1955.  Its
principal executive offices are located at 28775 Aurora Road, Solon, Ohio
44139; telephone (216) 248-0400. References herein to the "Company" or
"Keithley" are to Keithley Instruments, Inc. and its subsidiaries unless the
context indicates otherwise.

Products

         Keithley Instruments, Inc. provides instrumentation to semiconductor
manufacturers, medical equipment manufacturers, and growth segments of the
electronics industry.  Scientists and engineers around the world use Keithley's
advanced hardware and software for measurement, test, data acquisition, and
control.  Although the Company's products vary in capability, sophistication,
use, size and price, they basically test, measure, and analyze electrical and
physical properties. As such, the Company considers its business to be in a
single industry segment.  For each of the last three fiscal years, more than
90% of the Company's revenue was derived from the sale of electronic test and
measurement instrumentation and data acquisition and analysis hardware and
software, which represents one class of similar products.

         The operating units and product groups of the Company are described
below:

         INSTRUMENTS DIVISION. The Instruments Division designs, develops,
manufactures and markets sensitive electronic instrumentation used in
production test and research for measuring a wide range of electrical
properties such as voltage, resistance, current, capacitance and charge.
Prices for the Instruments Division's products generally range from $1,000 to
$10,000 and included the following product groups:

            Digital Multimeters.  This product line includes a range of
            instruments that are designed to cover measurements of voltage,
            resistance, and current for production test, design and
            development, and research applications.  Each digital multimeter
            has a computer interface for integration into automated test and
            measurement systems.  Typical applications include testing
            electrical components such as resistor networks and thermistors,
            and end products which include cellular telephones, computer disk
            drives, and pace makers.

            Sensitive Instruments.  This product group includes electrometers,
            picoammeters, sensitive digital voltmeters, micro-ohmmeters, and
            certain other instruments which are distinguished by their extreme
            sensitivity, resolution and accuracy as compared to the
            capabilities of conventional meters.  Sensitive instruments are
            used by scientists, engineers, and researchers for the study of
            materials, semiconductors, and superconductors.  Typical customers
            are industrial and government research laboratories, educational
            institutions, and electronics manufacturers.





                                       1
<PAGE>   4
            Switches and Sources.  Switching instruments are used to route
            electrical signals in test systems to measurement and source
            instrumentation.  This allows many devices or test points to be
            measured with a minimum number of instruments.  Switch products
            together with Sensitive, Digital Multimeter, Source, I-V and C-V
            instruments can be integrated into computer-based systems to
            provide flexible, automated testing and measurement.  The switching
            product line allows Keithley to provide a complete measurement
            solution to customers in production test, semi-conductor
            characterization, and materials research applications.

            Sources generate the precise voltage and currents needed to test
            electronic devices and investigate properties of materials.  Source
            products are sold to scientists and engineers in research,
            semiconductor and electronic manufacturing markets, especially
            where stable signals of low level current and voltage are needed.
            These sources can be interfaced with computers as part of an
            automated test system, or used manually on the laboratory bench.

            Source Measure Units.  These are programmable instruments capable
            of sourcing and measuring voltage and current, thus replacing the
            functionality of four instruments with one reliable, compact unit.
            These versatile instruments cover a wide dynamic range of voltage
            and current and their combination of high speed and resolution have
            made these units ideal for high volume production testing of
            electronic components for computers, automotive, and wireless
            telecommunications products.  The source measure units also provide
            the measurement sensitivity needed for materials research and
            semiconductor characterization applications.

            C-V (Capacitance versus Voltage).  C-V products include
            high-frequency and quasistatic C-V meters, measurement and analysis
            software, and computer-based test systems.  C-V products are used
            by scientists and engineers in semiconductor manufacturing
            facilities, industrial and governmental research laboratories, and
            educational institutions to research, develop, and characterize
            semiconductor devices, materials and manufacturing processes.

         SEMICONDUCTOR DIVISION. The Semiconductor Division designs, develops,
manufactures and markets automatic parametric test systems and process
monitoring solutions used by semiconductor manufacturers to measure various
electrical characteristics of semiconductor materials.  Its products can be
found in semiconductor fabrication facilities throughout the world, and consist
of two main groups:

            APT Products.  The Company is one of the leading suppliers of these
            automatic parametric test systems for semiconductor production
            applications.  In production, the systems allow manufacturers to
            monitor quality control parameters during fabrication of integrated
            circuits to improve manufacturing yields.  In research, the systems
            are used to analyze the characteristics of semiconductor materials
            in the development of integrated circuit devices.  The systems can
            also be used to develop integrated circuit manufacturing processes.
            A typical system incorporates Keithley instrumentation and software
            and computer hardware manufactured by others.  The 




                                       2
<PAGE>   5
            system's major components are integrated, and in most cases,
            customized to customer specification.  Installation and servicing of
            the equipment and software, and customer training are also provided.
            Selling prices for these products generally range from $100,000 to
            $250,000.  In February 1996, Keithley purchased the principal assets
            of Turner Engineering Technology (Turner). Turner developed wafer
            test structures used for determining the quality of semiconductor
            wafers at various stages of manufacturing. These test structures
            will allow the company's APT systems to determine the quality of
            both the wafer and the manufacturing process much earlier than with
            previous test methods.

            Oxide Monitoring System.  Quantox(R) is the first product based on
            the direct wafer measurement or non-contact technology licensed
            from International Business Machines in May 1994.  The measurement
            data Quantox provides are used to detect and identify the types of
            charges present on semiconductor wafers.  Charge is a critical
            indicator that tells the semiconductor production engineer whether
            or not the manufacturing process is "in spec."  This measurement is
            made within minutes using Quantox, replacing a procedure that used
            to take up to five days.  During fiscal 1996 the company incurred
            costs to develop and market Quantox, with the first revenues from
            Quantox recognized in the third quarter of fiscal 1996.  The
            selling price for a Quantox unit is approximately $500,000
            depending upon the options purchased.

         RADIATION MEASUREMENTS DIVISION.  The Radiation Measurements Division
designs, develops, manufactures and markets products and systems that
accurately measure the radiation emission levels of x-ray machines and nuclear
radiation sources and are used to calibrate radiation therapy and x-ray
equipment in hospitals and manufacturing processes.  Customers include
hospitals, diagnostic x-ray equipment manufacturers, radiation researchers and
physicists and field service organizations.  Selling prices for standard
products range from $500 to $10,500 per instrument, and products designed and
manufactured for specific customer applications sell for up to $100,000.  In
December 1995, Keithley purchased the principal assets of International Sensor
Technology, Inc. (IST).  IST pioneered the development of laser heating
technology in thermoluminescence dosimetry systems for personal radiation
protection.  The Radiation Measurements Division is fulfilling current and
expected future contracts with the U.S. Navy and will commercialize the
technology over the next few years.

         PC MEASUREMENTS DIVISION.  This newly formed Division combines
Keithley MetraByte with the company's Network Measurements business.  Keithley
MetraByte designs, develops, manufactures and markets a wide range of data
acquisition and analysis hardware and software products designed for use with
personal computers and workstations.  These products are used in thousands of
applications worldwide wherever a number of variables must be monitored and
analyzed quickly.  Selling prices for these products generally range from $100
to $3,000.

         These products are marketed under the brand names Keithley MetraByte
and Acculex and are composed of the following product groups:

            Plug-in data acquisition boards provide data acquisition
            capabilities in the form of a board that is installed into a slot
            of the computer.  The Company offers a wide range





                                       3
<PAGE>   6
            of plug-in data acquisition boards in terms of the number of
            channels, input ranges and sampling rates.  They are marketed
            worldwide to researchers and scientists engaged in laboratory
            automation and experimentation, as well as to engineers involved
            with process control and data collection applications.  These
            products are marketed primarily through direct marketing and
            catalog mailings.

            Software products are specialized personal computer-based
            scientific data acquisition, analysis and graphics software
            products.  Scientists and engineers often combine Keithley software
            together with data acquisition hardware or test and measurement
            instrumentation of other manufacturers.  The software products are
            used with personal computers.

            Acculex products include digital panel meters and panel printers.
            These products display machine parameters, capture results for
            permanent storage and enunciate alarms.  These products are
            marketed primarily through direct marketing and catalog mailings.

            Distributed I/O products include Keithley's WORKHORSE and MetraBus
            product offerings.  These products are primarily used in industrial
            monitoring and control applications.

            Communication products include IEEE-488 bus interfaces and software
            for interfacing computers with programmable measurement
            instrumentation.  These products are marketed through direct
            marketing and catalog mailings.

            Data Acquisition Instruments include personal computer-based
            workstations that collect data from, and provide control over, a
            variety of test and measurement modules.  A typical workstation
            consists of a standard software package and hardware external to
            the personal computer that utilizes various plug-in module cards
            that allow a user to customize the workstation for a specific
            application, including research, product test and pilot plant
            process monitoring.

            Personal Computer Instrument Products (PCIP) are instruments
            contained entirely on boards that fit  into an expansion slot of
            almost any personal computer.  Included in the PCIP offering are a
            digital multimeter, scanner oscilloscope, function generator and a
            counter. Applications include bench top engineering and automatic
            production testing.  These products are marketed primarily through
            direct marketing and catalog mailings.

         The company's Network Measurements business recently introduced
SmartLink(TM), a new line of intelligent measurement modules that allow
laboratory-grade measurements virtually anywhere due to their small size.  The
compact modules connect directly to a sensor or signal source creating no need
for extra hardware.  Each module has on-board signal processing capabilities to
provide linearization, date/time stamping alarming.  That allows them to
deliver useful information directly to a monitoring, control of data
acquisition system.  Selling prices for these products generally range from
$1,000 to $2,250.





                                       4
<PAGE>   7
         AGENCY PRODUCTS.  The Company markets and distributes certain products
manufactured by approximately nine test and measurement companies.  These
products are marketed and distributed primarily by the Company's European
operations and are complementary to, but not competitive with, products
manufactured by the Company.


New Products During Fiscal Year 1996

         Several new products were introduced during fiscal 1996 including the
following:

         The Instruments Division introduced several new products including the
Model 2010 7-1/2-digit digital multimeter which rounds out the company's 2000
Series family.  The Model 2400 digital source meter designed specifically for
the electronic component industry, is very suitable for a wide range of
electronics manufacturing applications.

         The Semiconductor Division introduced several new products including
the Model S600 parametric test system which is expected to be available for
shipping the second half of fiscal 1997.  The Division also acquired Turner
Engineering Technology, a company which specializes in accelerated test method
for determining the quality of semiconductor wafers at various stages of
manufacturing.  Turner's line of Wafer- Level Reliability test structures and
software allow manufacturers to fully characterize the lifetime reliability of
their semiconductor wafers and have opened the door to incremental sales of the
company's parametric test systems.

         The Radiation Measurements Division acquired International Sensor
Technology, Inc. (IST) during the year.  The commercialization of IST's
patented technology, which provides increased speed and accuracy for personal
radiation protection, is another growth opportunity for the company in the
years ahead.

         The PC Measurements Division introduced the new SmartLink(TM) modules
discussed previously, as well as several new Keithley MetraByte products
including the DAS-1700 line of PC plug-in data acquisition boards.  All
DAS-1700 boards are supported by Windows 3.1X, 95 and NT drivers, so users can
migrate their existing data acquisition applications to new Windows
environments.  The DAS-1700 series offers users a midrange data acquistion
board with many of the features and functions of higher-end systems at a much
lower cost.  These boards are applied in industrial, product development,
educational and scientific/research organizations.

Geographic Markets and Distribution

         During fiscal 1996, substantially all of the Company's products were
manufactured in Ohio and Massachusetts and were sold throughout the world in
many developed countries. The Company's principal markets are the United
States, Europe and the Pacific Basin.  At the end of fiscal 1996, the company
announced that it would relocate its Keithley MetraByte operation to Solon,
Ohio during fiscal 1997.

         In the United States, the Company's products are sold by the Company's
sales personnel, independent sales representatives and through direct marketing
and catalog mailings.





                                       5
<PAGE>   8
United States sales offices are located in Solon, Ohio and Santa Clara,
California.  The Company markets its products directly in European countries in
which it has a wholly owned sales subsidiary and through distributors in other
countries.  European subsidiaries have sales and service offices located in or
near London, Munich, Paris, Amsterdam, Zurich and Milan.  The Company also has
sales offices in Belgium, China and India.  Sales in markets outside the above
names locations are made through independent sales representatives and
distributors.  The Company's Japanese subsidiary supports independent sales
representatives and distributors in the Pacific Basin.

Sources and Availability of Raw Materials

         The Company's products require a wide variety of electronic and
mechanical components, most of which are purchased.  The Company has multiple
sources for the vast majority of the components and materials it uses; however,
there are some instances where the components are obtained from a sole-source
supplier.  If a sole-source supplier ceased to deliver, the Company could
experience a temporary adverse impact on its operations; however, management
believes alternative sources could be developed quickly.  Although shortages of
purchased materials and components have been experienced from time to time,
these items have generally been available to the Company as needed.

Patents

         Electronic instruments of the nature the Company designs, develops and
manufactures can not generally be patented in their entirety.  Although the
Company holds patents with respect to certain of its products, it does not
believe that its business is dependent to any material extent upon any single
patent or group of patents, because of the rapid rate of technological change
in the industry.

Seasonal Trends and Working Capital Requirements

         Although the Company is not subject to significant seasonal trends,
its business is cyclical and is somewhat dependent upon the semiconductor
industry in particular.  The Company does not have any unusual working capital
requirements.

Customers

         The Company's customers generally are involved in engineering research
and development, product testing, electronic service or repair, and educational
and governmental research.  During the fiscal year ended September 30, 1996 no
one customer accounted for more than 10% of the Company's sales. Management
believes that the loss of any one of its customers would not materially affect
the sales or net income of the Company.





                                       6
<PAGE>   9
Backlog

         The Company's backlog of unfilled orders amounted to approximately
$9,087,000 as of September 30, 1996 and approximately $11,284,000 as of
September 30, 1995.  It is expected that the majority of the orders included in
the 1996 backlog will be delivered during fiscal 1997; however, the Company's
past experience indicates that a small portion of orders included in the
backlog may be canceled.

Competitive Conditions

         The Company competes on the basis of quality, performance, service,
warranty and price, with quality and performance frequently being dominant.
There are many firms in the world engaged in the manufacture of electronic
measurement instruments, some of which are larger and have greater financial
resources than the Company.  The Company's competitors vary between product
lines and certain manufacturers compete with the Company in multiple product
lines.  The Company's principal competitors are Hewlett-Packard Company,
National Instruments, Inc., Fluke Corporation, Data Translation, Inc. and
Advantest Corporation.

Research and Development

         The Company's engineering development activities are directed toward
the development of new products that will complement, replace or add to the
products currently included in the Company's product line.  The Company does
not perform basic research, but on an ongoing basis utilizes new component and
software technologies in the development of its products.  The highly technical
nature of the Company's products and the rapid rate of technological change in
the industry require a large and continuing commitment to engineering
development efforts.  Product development expenses were $18,337,000 in 1996,
$15,385,000 in 1995 and $11,551,000 in 1994, or approximately 15%, 14% and 13%
of net sales, respectively, for each of the last three fiscal years.  Research
contracts are not obtained from customers.  As discussed earlier, during 1996
the Company acquired the principal assets of IST.  IST's activities included a
government research and development contract for the Navy which was concluded
during 1996.  The amount spent by the company on this contract was not
material.  During fiscal 1994, the Company expensed $3,300,000 to acquire the
right to develop and commercialize direct wafer measurement technology from
International Business Machines.

Government Regulations

         The Company believes that its current operations and its current uses
of property, plant and equipment conform in all material respects to applicable
laws and regulations.  The Company has not experienced, nor does it anticipate,
any material claim or material capital expenditure in connection with
environmental laws and other regulations.





                                       7
<PAGE>   10
Employees

         As of September 30, 1996, the Company employed 716 persons, 107 of
whom were located outside the United States.  None of the Company's employees
are covered under the terms of a collective bargaining agreement and the
Company believes that relations with its employees are good.

Foreign Operations and Export Sales

         Information related to foreign and domestic operations and export
sales is incorporated by reference to Note J of the Notes to the Consolidated
Financial Statements on page 31 of the Company's 1996 Annual Report to
Shareholders, a copy of which is filed as Exhibit 13 to this report.

         The Company has significant revenues from outside the United States
which increase the complexity and risk to the Company.  These risks include
increased exposure to the risk of foreign currency fluctuations and the
potential economic and political impacts from conducting business in foreign
countries.  With the exception of changes in the value of foreign currencies
which is not possible to predict, the Company believes that its foreign
subsidiaries and other larger international markets are in countries where the
economic and political climate is generally stable.





                                       8
<PAGE>   11
ITEM 2 - PROPERTIES.

         The Company believes that the facilities owned and leased by it are
well maintained, adequately insured and suitable for their present and intended
uses.  Pertinent information concerning the principal properties of the Company
and its subsidiaries is as follows:


<TABLE>
<CAPTION>
                              Type of                                               Acreage (Land)
Owned Properties              Facility                                         Square Footage (Building)
- ----------------              --------                                         -------------------------
<S>                           <C>                                       <C>
    Location
    --------

    Solon, Ohio               Executive offices,
                              Engineering, Manufacturing,                        26.1 Acres
                              Marketing and Sales                                125,000 square feet

    Solon, Ohio               Engineering, Manufacturing,
                              Marketing, Sales, Service and                      7.0 Acres
                              Administration                                     76,000 square feet

    Solon, Ohio               Marketing and Administration,                      5.5 Acres
                              Space is available for expansion with              50,000 square feet
                              the majority leased to other parties.              (4,000 square feet
                                                                                 utilized by the Co.)

                                                                                             Lease
                              Type of                                   Square             Expiration
Leased Properties             Facility                                  Footage               Date   
- -----------------             --------                                  -------           -----------

    Location
    --------

    Taunton,                  Manufacturing, Marketing,
    Massachusetts             Service and Administration                   41,000       June 30, 1998

    Taunton,                  Engineering, Sales
    Massachusetts             and Administration                           31,000       June 30, 1998

    Solon, Ohio               Engineering, Manufacturing,                  40,000       October 13, 2006
                              Marketing, Sales, Service
                              and Administration

    Solon, Ohio               Manufacturing, and                           21,600       March 31, 2002
                              Administration

    Santa Clara,              Sales and Service                             4,355       October 15, 1998
    California
</TABLE>





                                       9
<PAGE>   12
<TABLE>
<CAPTION>
                                                                                         Lease
                              Type of                              Square             Expiration
Location                      Facility                            Footage                Date    
- --------                      --------                            -------             -----------
<S>                           <C>                                   <C>            <C>
Munich,                       Sales, Service and                    27,750         March 31, 2001;
Germany                       Administration                                       renewable

London, England               Sales and Service                      5,600         July 24, 2009

Paris, France                 Sales and Service                      3,456         June 30, 1998

Zurich,                       Sales and Service                      3,229         September 30, 1997
Switzerland                                                                        renewable

Amsterdam,                    Sales and Service                      2,906         March 31, 2002
Netherlands

Milan,                        Sales and Service                      2,691         August 31, 2001
Italy
</TABLE>


ITEM 3 - LEGAL PROCEEDINGS.

         The Company is not a party to any material litigation.

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

         Not applicable.





                                       10
<PAGE>   13
EXECUTIVE OFFICERS OF THE REGISTRANT:

         The description of executive officers is included pursuant to
Instruction 3 to Section (b) of Item 401 of Regulation S-K under the Securities
and Exchange Act of 1934.

         The following table sets forth the names of all executive officers of
the Company and certain other information relating to their position held with
the Company and other business experience.

<TABLE>
<CAPTION>
Executive Officer                         Age        Recent Business Experience
- -----------------                         ---        --------------------------
<S>                                       <C>        <C>
Joseph P. Keithley                        48         Chairman of the Board of Directors since 1991, Chief
                                                     Executive officer since November 1993 and President
                                                     since May 1994.  Vice Chairman of the Board of
                                                     Directors from 1988 to 1991.  Executive Vice President
                                                     from 1989 to 1991.

Joseph F. Keithley                        81         Founder of the Company in 1946; President to 1973,
                                                     Chairman of the Board of Directors from 1955 to 1991.

Philip R. Etsler                          46         Vice President Human Resources of the Company since
                                                     1990. Director of Personnel from 1986 to 1990.

James B. Griswold                         50         Secretary and a Director of the Company since 1988;
                                                     partner in the law firm of Baker & Hostetler from 1982
                                                     to present.

Hermann Hamm                              57         Vice President of European Operations of the Company
                                                     since 1986.

Frederick R. Hume                         53         Senior Vice President Strategic Planning and Technology
                                                     since November 1996.  Previously Senior Vice President
                                                     Test Instrumentation Group from February 1993 to
                                                     October 1996. Vice President Test Instrumentation Group
                                                     from August 1992 to February 1993.  Vice President
                                                     Instrument Division of the Company from May 1988 to
                                                     August 1992.

Mark J. Plush                             47         Controller since 1982 and Officer of the Company since
                                                     1989.
</TABLE>





                                       11
<PAGE>   14
<TABLE>
<CAPTION>
Executive Officer                         Age        Recent Business Experience
- -----------------                         ---        --------------------------
<S>                                       <C>        <C>
Ronald M. Rebner                          52         Vice President and Chief Financial Officer of the
                                                     Company since 1981.

Gabriel A. Rosica                         56         Senior Vice President since February 1996.  Previously
                                                     Chief Operating Officer of Bailey Controls Company from
                                                     August 1994 to January 1996 and Senior Vice President
                                                     of Systems Operations of Bailey Controls Company from
                                                     January 1992 to July 1994.

Terrence E. Sheridan                      56         Vice President Radiation Measurements Division since
                                                     1978.
</TABLE>





                                       12
<PAGE>   15
                                    PART II.

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

         The information required by this Item is incorporated herein by
reference under the caption Stock Market Price and Cash Dividends appearing on
page 33 of the Keithley Instruments, Inc. 1996 Annual Report to Shareholders, a
copy of which is filed as Exhibit 13 to this Report.

         The approximate number of shareholders of record of Common Shares and
Class B Common Shares, including those shareholders participating in the
Dividend Reinvestment Plan, as of December 17, 1996 was 1,950.

ITEM 6 - SELECTED FINANCIAL DATA.

         The information required by this Item is incorporated herein by
reference to the eleven year summary, appearing on pages 34 and 35 of the
Keithley Instruments, Inc. 1996 Annual Report to Shareholders, a copy of which
is filed as Exhibit 13 to this Report.

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

         The information required by this Item is incorporated herein by
reference to pages 23 through 25 of the Keithley Instruments, Inc. 1996 Annual
Report to Shareholders, a copy of which is filed as Exhibit 13 to this Report.

ITEM 8 - FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.

         The Consolidated Financial Statements, appearing on pages 20 through
22 and pages 25 through 31, the Unaudited Quarterly Results of Operations
appearing on page 33 of the Keithley Instruments, Inc. 1996 Annual Report to
Shareholders, together with the report thereon of Price Waterhouse LLP dated
November 14, 1996, appearing on page 32 of the Keithley Instruments, Inc.
Annual Report to Shareholders is filed as Exhibit 13 to this Report.

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

         None.





                                       13
<PAGE>   16
                                   PART III.

ITEM 10 - DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT.

         The information required by this item relating to the Directors is
incorporated herein by reference to the information set forth under the caption
Election of Directors in the Company's Proxy Statement to be used in
conjunction with the February 15, 1997 Annual Meeting of Shareholders and filed
with the Securities and Exchange Commission pursuant to Section 14(a) of the
Securities Exchange Act of 1934.  The information required for an
identification of executive officers is included on pages 11 and 12 of this
Form 10-K Annual Report.

ITEM 11 - EXECUTIVE COMPENSATION.

         The information required by this item relating to executive
compensation is incorporated herein by reference to the information set forth
under the caption Executive Compensation and Benefits in the Company's Proxy
Statement to be used in conjunction with the February 15, 1997 Annual Meeting
of Shareholders and filed with the Securities and Exchange Commission pursuant
to Section 14(a) of the Securities Exchange Act of 1934.

ITEM 12 - SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT.

         The information required by this item relating to security ownership
of certain beneficial owners and management is incorporated herein by reference
to the information set forth under the caption Principal Shareholders in the
Company's Proxy Statement to be used in conjunction with the February 15, 1997
Annual Meeting of Shareholders and filed with the Securities and Exchange
Commission pursuant to Section 14(a) of the Securities Exchange Act of 1934.


ITEM 13 - CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.

         James B. Griswold, a Director and nominee for Director, is a partner
in the law firm of Baker & Hostetler.  Baker & Hostetler served as general
legal counsel to the Company during the fiscal year ended September 30, 1996
and is expected to render services in such capacity to the Company in the
future.





                                       14
<PAGE>   17
                                    PART IV.

ITEM 14 - EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

(a)(1)  FINANCIAL STATEMENTS OF THE COMPANY

         The following documents are filed as part of this report:

1.  Consolidated Balance Sheet as of September 30, 1996 and 1995.

2.  Consolidated Statement of Income for each of the three years ended
    September 30, 1996.

3.  Consolidated Statement of Cash Flows for each of the three years ended
    September 30, 1996.

4.  Consolidated Statement of Earnings Reinvested in the Business for each of
    the three years ended September 30, 1996.

5.  Notes to Consolidated Financial Statements.

6.  Report of Independent Accountants dated November 14, 1996.

(a)(2)  FINANCIAL STATEMENT SCHEDULES

The following additional information should be read in conjunction with the
Consolidated Financial Statements of the Company described in Item 14(a)(1):

Schedule II  Valuation and Qualifying Accounts

Schedules other than those listed above are omitted because they are not
required or not applicable, or because the information is furnished elsewhere
in the consolidated financial statements or the notes thereto.





                                       15
<PAGE>   18
(A)(3)  INDEX TO EXHIBITS

<TABLE>
<CAPTION>
                                                                                           Page Number
                                                                                            Sequential
Exhibit                                                                                     Numbering
Number                 Exhibit                                                                System
- ------                 -------                                                                ------
<S>          <C>                                                                                   <C>
3(a)         Amended Articles of Incorporation, as amended on February 11, 1985.
             (Reference is made to Exhibit 3(a) of the Company's Form 10 Registration
             Statement (File No. 0-13648) as declared effective on July 31, 1985, which
             Exhibit is incorporated herein by reference.)                                           
                                                                                                   --
3(b)         Code of Regulations, as amended on February 11, 1985.  (Reference is made to
             Exhibit 3(b) of the Company's Form 10 Registration Statement (File No. 0-
             13648) as declared effective on July 31, 1985, which Exhibit is incorporated
             herein by reference.)                                                                 --

3(c)         Amended Articles of Incorporation, as amended on February 10, 1996.
             (Reference is made to Exhibit 3(c) of the Company's Quarterly Report on Form
             10-Q for the fiscal quarter ended March 31, 1996 (File No. 1-9965), which
             Exhibit is incorporated herein by reference.)                                         --

4(a)         Specimen Share Certificate for the Common Shares, without par value.
             (Reference is made to Exhibit 4(a) of the Company's Quarterly Report on Form
             10-Q for the fiscal quarter ended June 30, 1988 (File No. 1-9965), which
             Exhibit is incorporated herein by reference.)                                         --

4(b)         Specimen Share Certificate for the Class B Common Shares, without par value.
             (Reference is made to Exhibit 4(b) of the Company's Form 10 Registration
             Statement (File No. 0-13648) as declared effective on July 31, 1985, which
             Exhibit is incorporated herein by reference.)                                         --

*10(a)       1984 Stock Option Plan, adopted in February 1984.                                     --

*10(c)       1984 Deferred Compensation Plan, adopted in February 1984.                            --

             *Reference is made to the appropriate Exhibits of the Company's Form 10
             Registration Statement (File No. 0-13648) as declared effected on July 31,
             1985, which Exhibits are incorporated herein by reference.
</TABLE>





                                       16
<PAGE>   19
<TABLE>
<CAPTION>
                                                                                           Page Number
                                                                                            Sequential
Exhibit                                                                                     Numbering
Number                 Exhibit                                                                System
- ------                 -------                                                                ------
<S>          <C>                                                                                   <C>
10(k)        Employment Agreement with Joseph F. Keithley dated September 26, 1988.
             (Reference is made to Exhibit 10(k) of the Company's Annual Report on Form
             10-K for the year ended September 30, 1988 (File No. 1-9965), which Exhibit
             is incorporated herein by reference.)                                                   
                                                                                                   --

10(l)        Employment Agreement with Joseph P. Keithley dated September 26, 1988.
             (Reference is made to Exhibit 10(l) of the Company's Annual Report on Form
             10-K for the year ended September 30, 1988 (File No. 1-9965), which Exhibit
             is incorporated herein by reference.)                                                   
                                                                                                   --

10(o)        Form of Supplemental Executive Retirement Plan, adopted in January 1988.
             (Reference is made to Exhibit 10(o) of the Company's Annual Report on Form
             10-K for the year ended September 30, 1988 (File No. 1-9965), which Exhibit
             is incorporated herein by reference.)                                                   
                                                                                                   --
10(q)        1992 Stock Incentive Plan, adopted in December 1991.  (Reference is made to
             Exhibit 10(q) of the Company's Annual Report on form 10-K for the year ended
             September 30, 1991 (File No. 1-9965) which Exhibit is incorporated herein by
             reference.)                                                                           --

10(r)        1992 Directors' Stock Option Plan, adopted in December 1991.  (Reference is
             made to Exhibit 10(r) of the Company's Annual Report on form 10-K for the
             year ended September 30, 1991 (File No. 1-9965) which Exhibit is
             incorporated herein by reference.)                                                    --

10(u)        Credit Agreement dated as of May 31, 1994 by and among Keithley Instruments,
             Inc. and certain borrowing subsidiaries and the Banks named herein, and NBD
             Bank, N.A., as Agent.  (Reference is made to Exhibit 10(u) of the Company's
             Quarterly Report on form 10-Q for the quarter ended June 30, 1994 (File No.
             1-9965) which Exhibit is incorporated herein by reference.)                             
                                                                                                   --
</TABLE>





                                       17
<PAGE>   20
<TABLE>
<CAPTION>
                                                                                           Page Number
                                                                                            Sequential
Exhibit                                                                                     Numbering
Number                 Exhibit                                                                System
- ------                 -------                                                                ------
<S>          <C>                                                                                  <C>
10(v)        Contactless Testing Technology Licensing Agreement between International
             Business Machines Corporation and Keithley Instruments, Inc., effective as
             of May 26, 1994.  (Reference is made to Exhibit 10(v) of the Company's
             Annual Report on form 10-K for the year ended September 30, 1994 (File No.
             1-9965) which Exhibit is incorporated herein by reference.)                             
                                                                                                   --
10(x)        1996 Outside Directors Deferred Stock Plan.  (Reference is made to Exhibit
             10(x) of the Company's Quarterly Report on Form 10-Q for the fiscal quarter
             ended March 31, 1996 (File No. 1-9965), which Exhibit is incorporated herein
             by reference.)                                                                        --

11           Statement Re Computation of Per Share Earnings.                                       24

13           Annual Report to Shareholders for the Fiscal Year Ended September 30, 1996.          25-59

21           Subsidiaries of the Company.                                                          60

23           Consent of Experts.                                                                   61

27           Financial Data Schedule (EDGAR version only).                                         --
</TABLE>



ITEM 14(B)  REPORTS ON FORM 8-K.

No reports on Form 8-K were filed during the last quarter of the Company's
fiscal year ended September 30, 1996.

ITEM 14(C)  EXHIBITS:  See "Index to Exhibits" at Item 14(a)(3) above.

ITEM 14(D)  FINANCIAL STATEMENT SCHEDULES:  Schedules required to be filed in
response to this portion of Item 14 are listed above in Item 14(a)(2).





                                       18
<PAGE>   21
                                   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.

Keithley Instruments, Inc.
(Registrant)

By:   /s/    Joseph P. Keithley                
    ---------------------------------
           Joseph P. Keithley, (Chairman, President and Chief Executive Officer)

Date:        December 7, 1996                  

         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 on the date indicated.

<TABLE>
<CAPTION>
Signature                                   Title                                                      Date
- ---------                                   -----                                                      ----
<S>                                         <C>                                                      <C>
/s/ Joseph P. Keithley                      Chairman of the Board of Directors, President and        12/7/96
- -----------------------                     Chief Executive Officer                                         
    Joseph P. Keithley                      (Principal Executive Officer)

/s/ Joseph F. Keithley                      Founder and Director                                     12/7/96
- ------------------------------                                                                              
    Joseph F. Keithley

/s/ Ronald M. Rebner                        Vice President and Chief Financial Officer               12/7/96
- --------------------                        (Principal Financial and Accounting Officer) and a              
    Ronald M. Rebner                        Director                                          

/s/ Dr. Theodore M. Alfred                  Director                                                 12/7/96
- --------------------------                                                                                  
    Dr. Theodore M. Alfred

/s/ Brian R. Bachman                        Director                                                 12/7/96
- --------------------                                                                                        
    Brian R. Bachman

/s/ James T. Bartlett                       Director                                                 12/7/96
- ---------------------                                                                                       
    James T. Bartlett

/s/ Arden L. Bement, Jr.                    Director                                                 12/7/96
- ------------------------                                                                                    
    Dr. Arden L. Bement, Jr.

/s/ James B. Griswold                       Director                                                 12/7/96
- ---------------------                                                                                       
    James B. Griswold

/s/ Leon J. Hendrix, Jr.                    Director                                                 12/7/96
- ------------------------                                                                                    
    Leon J. Hendrix, Jr.

/s/ R. Elton White                          Director                                                 12/7/96
- ------------------                                                                                          
    R. Elton White
</TABLE>





                                       19
<PAGE>   22
Report of Independent Accountants on
Financial Statement Schedule



To the Board of Directors of
Keithley Instruments, Inc.


Our audits of the consolidated financial statements referred to in our report
dated November 14, 1996 appearing on page 32 of the 1996 Annual Report to
Shareholders of Keithley Instruments, Inc., (which report and consolidated
financial statements are incorporated by reference in this Annual Report on
Form 10-K) also included an audit of the Financial Statement Schedule listed in
Item 14(a)(2) of this Form 10-K.  In our opinion, this Financial Statement
Schedule presents fairly, in all material respects, the information set forth
therein when read in conjunction with the related consolidated financial
statements.




PRICE WATERHOUSE LLP

Cleveland, Ohio
November 14, 1996





                                       20
<PAGE>   23
                                                                     SCHEDULE II
                           KEITHLEY INSTRUMENTS, INC.
                       VALUATION AND QUALIFYING ACCOUNTS
                           (In Thousands of Dollars)




<TABLE>
<CAPTION>
Column A                            Column B              Column C               Column D              Column E
- --------                            --------              --------               --------              --------
                                   Balance at         Charged to Costs                              Balance at End
Description                    Beginning of Period      and Expenses          Deductions (1)          of Period
- -----------                    -------------------    ----------------        --------------          ---------   
<S>                                  <C>                   <C>                    <C>                   <C>
For the Year Ended
September 30, 1996:

Valuation allowance for
deferred tax assets                  $2,606                 $467                   $79                  $2,994

For the Year Ended
September 30, 1995:

Valuation allowance for
deferred tax assets                  $3,330                 $  80                 $  804                $2,606

For the Year Ended
September 30, 1994:

Valuation allowance for
deferred tax assets                  $3,314                $  548                 $  532                $3,330
</TABLE>


(1) Represents utilization of foreign tax credits.





                                       21


<PAGE>   1
11. Statement re computation of per
    share earnings

<TABLE>
<CAPTION>
                                                                 Year ended            Year ended            Year ended       
                                                             September 30, 1996    September 30, 1995    September 30, 1994(1)
                                                             ------------------    ------------------    ------------------
<S>                                                              <C>                   <C>                   <C>       
Primary EPS calculation:                                                                                               
                                                                                                                       
Shares outstanding at beginning of period                         7,227,972             7,104,876             7,067,890
                                                                                                                       
Net issuance of shares under stock award                                                                               
  plans, weighted average                                            76,823                22,768                19,764
                                                                                                                       
Net issuance of shares under stock                                                                                     
  purchase plan, weighted average                                    55,617                30,038                    --
                                                                 ----------            ----------            ----------
                                                                                                                       
Weighted average shares outstanding                               7,360,412             7,157,682             7,087,654
                                                                 ----------            ----------            ----------
                                                                                                                       
Assumed exercise of stock options,                                                                                     
  weighted average of incremental shares                            421,122               281,602                    --
                                                                                                                       
Assumed purchase of stock under stock                                                                                  
  purchase plan, weighted average                                    40,812                36,854                    --
                                                                 ----------            ----------            ----------
                                                                                                                       
Average shares and common share                                                                                        
  equivalents - primary EPS calculation                           7,822,346             7,476,138             7,087,654
                                                                 ==========            ==========            ==========
                                                                                                                       
Net income (loss) per share                                      $    (.70)            $      .66            $      .13
                                                                 ==========            ==========            ==========
                                                                                                                       
Net income (loss) in thousands                                     $(5,440)                $4,914                  $907
                                                                 ==========            ==========            ==========
                                                                                                                       
Fully diluted EPS calculation:                                                                                         
                                                                                                                       
Weighted average shares outstanding                               7,360,412             7,157,682             7,087,654
                                                                                                                       
Assumed exercise of stock options,                                                                                     
  weighted average of incremental shares                            421,122               508,496                    --
                                                                                                                       
Assumed purchase of stock under stock                                                                                  
  purchase plan, weighted average                                    40,812                53,598                    --
                                                                 ----------            ----------            ----------
                                                                                                                       
Average shares and common share                                                                                        
  equivalents - primary EPS calculation                           7,822,346             7,719,776             7,087,654
                                                                 ==========            ==========            ==========
                                                                                                                       
                                                                                                                       
Net income (loss) per share                                      $    (.70)            $      .64            $      .13
                                                                 ==========            ==========            ==========
                                                                                                                       
Net income (loss) in thousands                                     $(5,440)                $4,914                  $907
                                                                 ==========            ==========            ==========
</TABLE>

(1) The impact of common stock equivalents in 1994 was negligible.


<PAGE>   1
13. Annual report to security-holders

Consolidated Statement of Income
For the years ended September 30, 1996, 1995 and 1994
(In Thousands of Dollars Except for Per-Share Data)

<TABLE>
<CAPTION>
                                                                      1996             1995              1994  
                                                                    --------         --------          --------
<S>                                                                 <C>              <C>               <C>
Net sales                                                           $118,946         $109,574          $89,248
                                                                    --------         --------          -------
Cost of goods sold                                                    46,140           42,372           35,259
Selling, general and administrative expenses                          47,695           43,945           37,765
Product development expenses                                          18,337           15,385           11,551
Purchased technology                                                      --               --            3,300
Special charges                                                       11,645               --              (42)
Amortization of intangible assets                                        634              464              470
Net financing expenses                                                   819              986              821
                                                                    --------         --------          ------- 
Income (loss) before income taxes                                     (6,324)           6,422              124
Income taxes (benefit)                                                  (884)           1,508             (783)
                                                                    --------         --------          -------
Net income (loss)                                                   $ (5,440)        $  4,914           $  907
                                                                    ========        =========        ========= 
Net income (loss) per share                                         $   (.70)        $    .66           $  .13
                                                                    ========        =========        =========
Fully diluted net income (loss) per share                           $   (.70)        $    .64           $  .13
                                                                    ========        =========        =========
</TABLE>

The accompanying notes are an integral part of the financial statements.




Consolidated Statement of Earnings
Reinvested in the Business
For the years ended September 30, 1996, 1995 and 1994
(In Thousands of Dollars Except for Per-Share Data)

<TABLE>
<CAPTION>
                                                                      1996             1995              1994  
                                                                    --------         --------          --------
<S>                                                                 <C>              <C>               <C>
Earnings reinvested in the business at
  beginning of year                                                 $32,157          $27,943           $27,685
Net income (loss)                                                    (5,440)           4,914               907
Cash dividends-Common Shares ($.125 per
  share in 1996, $.106 per share in 1995
  and $.10 per share in 1994)                                          (568)            (450)             (410)
Cash dividends-Class B Common Shares
  ($.10 per share in 1996, $.085 per share
  in 1995 and $.08 per share in 1994)                                  (284)            (250)             (239)
                                                                    -------          -------           ------- 
Earnings reinvested in the business at end of
  year                                                              $25,865          $32,157           $27,943
                                                                    =======          =======           =======
</TABLE>

The accompanying notes are an integral part of the financial statements.
<PAGE>   2
Consolidated Balance Sheet
September 30, 1996 and 1995
(In Thousands of Dollars Except for Per-Share Data)

<TABLE>
<CAPTION>
                                                                                 1996                 1995  
                                                                               -------              --------
<S>                                                                             <C>                  <C>
Assets
Current assets:
    Cash and cash equivalents                                                   $ 3,995              $ 3,890
    Accounts receivable and other, net of allowances
          of $630 in 1996 and $357 in 1995                                       18,538               20,856
    Inventories:
          Raw materials                                                           8,255                4,917
          Work in process                                                         4,880                3,981
          Finished products                                                       4,291                3,762
                                                                                -------              -------  
                Total inventories                                                17,426               12,660
    Deferred income taxes                                                         3,082                1,627
    Prepaid expenses                                                                699                  663
                                                                                -------              -------  
                Total current assets                                             43,740               39,696
                                                                                -------              -------  
Property, plant and equipment, at cost:
    Land                                                                          1,325                  426
    Buildings and leasehold improvements                                         13,310                9,346
    Manufacturing, laboratory and office equipment                               23,238               22,755
                                                                                -------              -------  
                                                                                 37,873               32,527
       Less-Accumulated depreciation and amortization                            22,531               21,984
                                                                                -------              -------  
                Total property, plant and equipment, net                         15,342               10,543
                                                                                -------              -------  
Intangible assets, net of accumulated amortization
  of $29,708 in 1996 and $23,337 in 1995                                          2,064                6,201
Other assets                                                                     12,688                9,669
                                                                                -------              -------  
Total assets                                                                    $73,834              $66,109
                                                                                =======              ======= 

Liabilities and Shareholders' Equity
Current liabilities:
    Current installments on long-term debt                                      $    61              $    71
    Accounts payable                                                              8,162                6,759
    Accrued payroll and related expenses                                          4,525                6,142
    Other accrued expenses                                                        9,358                4,575
    Income taxes payable                                                          2,955                2,580
                                                                                -------              -------  
                Total current liabilities                                        25,061               20,127
                                                                                -------              -------  

Long-term debt                                                                   13,308                6,042
Other long-term liabilities                                                       3,655                2,992
Deferred income taxes                                                                54                   46
Shareholders' equity:
    Common Shares, stated value $.025:
    Authorized - 30,000,000; issued and outstanding -
    4,656,600 in 1996 and 4,308,976 in 1995                                         116                  108
    Class B Common Shares, stated value $.025:
    Authorized - 9,000,000; issued and outstanding -
    2,794,278 in 1996 and 2,918,996 in 1995                                          70                   73
    Capital in excess of stated value                                             5,293                3,981
    Earnings reinvested in the business                                          25,865               32,157
    Cumulative translation adjustment and other                                     548                  583
    Common shares held in treasury, at cost                                       (136)                   --
                                                                                -------              -------  
                Total shareholders' equity                                       31,756               36,902
                                                                                -------              -------  
Total liabilities and shareholders' equity                                      $73,834              $66,109
                                                                                =======              ======= 

</TABLE>
The accompanying notes are an integral part of the financial statements.
<PAGE>   3
Consolidated Statement of Cash Flows
For the years ended September 30, 1996, 1995 and 1994
(In Thousands of Dollars)

<TABLE>
<CAPTION>
                                                                     1996            1995             1994  
                                                                   --------        --------         --------
<S>                                                                <C>             <C>              <C>
Cash flows from operating activities:
    Net income (loss)                                              $ (5,440)       $  4,914         $    907
    Adjustments to reconcile net income (loss) to
      net cash provided by operating activities:
          Depreciation                                                3,419           3,106            2,902
          Amortization of intangible assets                             634             464              470
          Deferred income taxes                                      (3,772)         (1,217)          (2,216)
          Deferred compensation                                         211             220              232
          Special charges                                            11,452              --              (42)
    Change in current assets and liabilities:
                Accounts receivable and other                         2,317          (6,108)             241
                Inventories                                          (5,275)         (2,864)            (620)
                Prepaid expenses                                        (57)            289              219
                Other current liabilities                              (143)          4,660            3,297
    Other operating activities                                         (746)         (1,007)           1,251
                                                                   --------        --------         --------  
Net cash provided by operating activities                             2,600           2,457            6,641
                                                                   --------        --------         --------  
Cash flows from investing activities:
    Payments for property, plant and equipment                       (8,539)         (2,695)          (3,591)
    Other investing activities                                           71              69               81
    Acquisitions of businesses                                       (1,408)             --               --
                                                                   --------        --------         --------  
Net cash used in investing activities                                (9,876)         (2,626)          (3,510)
                                                                   --------        --------         --------  
Cash flows from financing activities:
    Net decrease in short-term debt                                     (10)            (35)            (496)
    Borrowing (repayment) of long-term debt                           7,385           1,367           (1,124)
    Proceeds from sale of Common Shares                                 974             520               85
    Cash dividends                                                     (852)           (700)            (649)
                                                                   --------        --------         --------  
  Net cash provided by (used in) financing activities                 7,497           1,152           (2,184)
                                                                   --------        --------         --------  
Effect of changes in foreign currency exchange
  rates on cash                                                        (116)            195              113
                                                                   --------        --------         --------  
Increase in cash and cash equivalents                                   105           1,178            1,060
Cash and cash equivalents at beginning of period                      3,890           2,712            1,652
                                                                   --------        --------         --------  
Cash and cash equivalents at end of period                         $  3,995        $  3,890         $  2,712
                                                                   ========        ========         ========

Supplemental disclosures of cash flow information
    Cash paid during the year for:
          Income taxes                                             $  2,201        $  1,419         $    665
          Interest                                                      711             814              813

Supplemental schedule of noncash investing activities
    The company's acquisitions included the following
      noncash transactions:
          Fair value of assets acquired                            $  2,525        $     --         $     --
          Cash paid                                                  (1,408)             --               --
          Common Shares issued                                         (201)             --               --
                                                                   --------        --------         --------  
                Liabilities assumed                                $    916        $     --         $     --
                                                                   ========        ========         ========

</TABLE>
Disclosure of accounting policy
      For purposes of this statement, the company considers all highly liquid
      investments with maturities of three months or less when purchased to be
      cash equivalents.  Cash flows resulting from hedging transactions are
      classified in the same category as the cash flows from the item being
      hedged.

The accompanying notes are an integral part of the financial statements.
<PAGE>   4
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF
OPERATIONS

Percent of net sales for the years ended September 30, 1996, 1995 and 1994

<TABLE>
<CAPTION>
                                                              1996         1995        1994
                                                              ----         ----        ----
<S>                                                          <C>         <C>          <C>
Net sales                                                    100.0        100.0       100.0
Cost of goods sold                                            38.8         38.7        39.5
Selling, general and administrative expenses                  40.1         40.1        42.3
Product development expenses                                  15.4         14.0        13.0
Purchased technology                                          --           --           3.7
Special charges                                                9.8         --          --
Amortization of intangible assets                              0.5          0.4         0.5
Net financing expenses                                         0.7          0.9         0.9
                                                             -----       ------       -----
Income (loss) before income taxes                             (5.3)         5.9         0.1
Income taxes (benefit)                                        (0.7)         1.4        (0.9)
                                                             -----       ------       ----- 
Net income (loss)                                             (4.6)         4.5         1.0
                                                             =====       ======       =====

</TABLE>
RESULTS OF OPERATIONS (IN THOUSANDS OF DOLLARS EXCEPT FOR PER-SHARE DATA)
The net loss of $5,440, or $.70 per share, resulted from special charges
totaling $11,645 pretax, or $1.23 per share, due primarily to the company's
decision to relocate the Keithley MetraByte operation to Cleveland.  Excluding
special charges, net income was $4,185, or $.53 per share in 1996 versus
$4,914, or $.64 per share on a fully diluted basis in 1995, and $907, or $.13
per share in 1994.  The above figures also include expenses to develop
Quantox(R), the company's first product based on the technology licensed from
IBM in 1994, as well as to explore other new business opportunities.  These
start-up losses totaled approximately $10,800 and $6,900 pretax in 1996 and
1995, respectively.  Net income in 1994 included pretax costs of $3,300 to
license the technology, approximately $1,400 to begin developing the technology
and $925 in other non-recurring charges.  Earnings before taxes and special
charges excluding the company's new business losses were approximately $16,100,
$13,300 and $4,800 in 1996, 1995 and 1994, respectively.

For the second consecutive year, the company reported record net sales.  Net
sales of $118,946 for 1996 were up 9% from $109,574 in 1995.  Increased demand
for the company's instruments used in production test and research and for
those products serving the semiconductor industry accounted for the increase.
Net sales were $89,248 in 1994, with the increase from 1994 to 1995 due mainly
to increased sales demand for the company's products serving the semiconductor
industry.  Geographically, domestic and
<PAGE>   5
export sales, particularly those to the Pacific Basin region, have increased
for the last two years.  Net sales in Europe were flat from 1995 to 1996 and
increased from 1994 to 1995.

Cost of goods sold as a percentage of net sales was 38.8 percent in 1996, 38.7
percent in 1995 and 39.5 percent in 1994.  Foreign exchange hedging had no
effect on cost of goods sold as a percentage of net sales in 1996 versus an
increase of 0.2 percentage points in 1995.  The slight increase from 1995 to
1996 resulted from increased sales of lower gross margin products offset by
increased manufacturing efficiencies due to higher sales volume.  Gross margins
are expected to decrease to the extent sales include a greater mix of Quantox.
Gross margins increased from 1994 to 1995 due mainly to an 11 percent weakening
of the U.S. dollar.  The U.S. dollar strengthened less than 1 percent from 1995
to 1996 and had a minimal effect on changes in costs.

Selling, general and administrative expenses increased $3,750 or 9 percent to
$47,695 in 1996 from $43,945 in 1995, and increased $6,180 or 16 percent in
1995 from $37,765 in 1994.  As a percentage of net sales, they were 40.1
percent in 1996 and 1995 versus 42.3 percent in 1994.  The increases in
expenses were due mostly to higher marketing costs associated with new business
initiatives and the introduction of new products from existing businesses,
higher commissions due to increased sales, and from 1994 to 1995, an 11 percent
weakening of the U.S. dollar.

Product development expenses increased $2,952 or 19 percent to 15.4 percent of
net sales in 1996 from 14.0 percent in 1995, and increased $3,834 or 33 percent
in 1995 from 13.0 percent of net sales in 1994.  The increase from 1995 to 1996
was due to increased personnel and development costs associated with the
company's next generation parametric test system, the Model S600, introduced in
the second quarter of fiscal 1996, the development of new bench-top instrument
products and the exploration of other new business opportunities.  Almost
two-thirds of the increase from 1994 to 1995 was due to additional spending to
develop the Quantox product.  The remainder of the increase from 1994 to 1995
was incurred primarily to develop other products for the company's
semiconductor customers.

Purchased technology of $3,300 in 1994 represents technology rights acquired
from International Business Machines (IBM).  Per the provisions of the license
agreement with IBM, the company will also pay future royalties based on
specified sales levels.  There is no minimum royalty payment required; however,
$3,000 must be paid by May 26, 2000 to
<PAGE>   6
retain exclusive rights to the technology.  In fiscal 1996, $79 was expensed
for royalties to IBM.

Special charges of $11,645 pretax, or $1.23 per share, recorded in 1996
primarily represent the expected costs of closing the Keithley MetraByte
operation located in Taunton.  Since the acquisition of Keithley MetraByte in
1989, sales have declined for the operation and earnings have been poor.  In
September 1996, it became apparent to management that due to the lack of
growth, the business could not support stand-alone operations.  Therefore
management made the decision to move the Taunton, Massachusetts operation to
Cleveland, Ohio.  The Keithley MetraByte operation will be combined with the
company's Network Measurements organization to form a new business.  The
special charges comprise the following:  a noncash charge of $5,737 to write
off the remaining goodwill; $3,433 for severance, outplacement and other
personnel costs related to approximately 130 employees to be terminated; $998
for lease and related costs, and $835 in noncash charges related to impaired
inventory and equipment.  Also included in special charges is $642 representing
an accrual for costs to be incurred over the next five years under two
operating subleases at the company's European facilities.  Of the special
charges, noncash charges total $6,572; $194 of severance related costs were
paid in fiscal 1996, leaving $4,538 accrued in the Consolidated Balance Sheet
under the category "Other accrued expenses" and $341 accrued under the category
"Other long-term liabilities."  The closing of the Taunton facility and
relocation to Cleveland is expected to be complete by July 1, 1997.  It is
anticipated that once the relocation is complete, employment for the operation
will be reduced by a net of over 50 people.  During 1997, management believes
that approximately $2,000 to $2,500 will be saved by the relocation in product
development and selling, general and administrative expenses; however, certain
costs to move the operation and hire replacements (not included in the special
charges incurred in 1996) will approximate $1,000 to $1,500.  Additionally,
amortization expense will be reduced by $464 per year due to the write off of
goodwill.  Any resultant increase in earnings during fiscal 1997 will be
dependent upon sales volume.

Amortization expense of $634 in 1996 increased $170 from $464 in 1995.  This is
due to the amortization of goodwill associated with the acquisitions of
International Sensor Technology in the first quarter of fiscal 1996 and Turner
Engineering Technology in the second quarter of fiscal 1996.  Neither
acquisition had a material effect on net sales or earnings for the year.
<PAGE>   7
Net financing expenses decreased $167 to $819 in 1996 from $986 in 1995, and
1995 increased $165 from $821 in 1994.  Despite higher average debt levels in
1996, the decrease from 1995 was due to lower interest rates on the variable
rate debt and the absence of certain fees related to the pay-off of a higher
interest rate loan in the second quarter of 1995.  The increase from 1994 to
1995 was due mainly to higher average debt levels in the later year.

The company recorded an income tax benefit of $884 in 1996, which resulted from
the company's pretax loss.  The effective rate (benefit) of (14.0) percent is
less than the statutory rate principally due to the nondeductibility of the
Keithley MetraByte goodwill written off, offset by the utilization of foreign
tax credits and foreign sales corporation (FSC) benefits.  The effective income
tax rate for 1995 of 23.5 percent is lower than the statutory rate due
primarily to utilization of foreign tax credits and FSC benefits.  The tax
benefit recorded in 1994 also resulted from the utilization of foreign tax
credits and FSC benefits.  At September 30, 1996, the company had capital loss
carryforwards of $211 and tax credit carryforwards of $2,046.

The company's financial results are affected by foreign exchange rate
fluctuations.  Generally, a weakening U.S. dollar causes the price of the
company's product to be more attractive in foreign markets and favorably
impacts the company's sales and earnings.  A strengthening U.S. dollar has an
unfavorable effect.  This foreign exchange effect cannot be precisely isolated
since many other factors affect the company's foreign sales and earnings.
These factors include product offerings and pricing policies of the company and
its competition, whether competition is foreign or U.S. based, changes in
technology and local and worldwide economic conditions.

From time to time, the company utilizes hedging techniques designed to mitigate
the short-term effect of exchange rate fluctuations on operations and balance
sheet position by entering into forward and option currency contracts and by
borrowing in foreign currencies.  The company's foreign borrowings are used as
a hedge of its net investments or of specified transactions.  The company does
not speculate in foreign currencies or derivative financial instruments, and
hedging techniques do not increase the company's exposure to foreign exchange
rate fluctuations.
<PAGE>   8
LIQUIDITY AND CAPITAL RESOURCES

In 1996, net cash provided by operating activities of $2,600 and borrowings for
long-term debt of $7,385 were used principally for investments in capital
expenditures of $8,539 and to fund $1,408 for acquisitions.  The capital
expenditures included the purchase of a building and expansion of an existing
facility to support future growth from new products and new business
initiatives.  Additionally, inventory levels increased $4,766 primarily due to
new products and businesses.  At September 30, 1996 total debt increased to
$13,369 from $6,113 at the end of 1995.  Due to the increased debt and lower
shareholders' equity resulting from the net loss, total debt-to-capital at
year-end was 29.6 percent compared to 14.2 percent last year.

The company has a $25,000 debt facility ($13,292 outstanding at September 30,
1996) that expires May 31, 1998, which provides unsecured, multi- currency
revolving credit at various interest rates based on U.S. prime, LIBOR or FIBOR.
Commitment fees of 1/4% are required on the unused portion of the first $15,000
of the revolving credit facility and of 1/8% on the remaining $10,000 of the
facility.  Additionally, the company has a number of other credit facilities
aggregating $6,372.  The company has interest rate swaps to fix interest rates
on $6,000 of variable rate debt.

At September 30, 1996, the company had total unused lines of credit with
domestic and foreign banks aggregating $18,080, including short-term and
long-term lines of credit of $6,372 and $11,708, respectively.  Under certain
long-term debt agreements, the company is required to comply with various
financial ratios and covenants.  Principal payments on long-term debt are
scheduled as follows:  1997-$61; 1998-$13,308.  The company expects to
refinance the principal payment required in 1998 before it becomes due.

During 1997, the company expects to finance capital spending and working
capital requirements, including cash necessary to fund the relocation of
Keithley MetraByte to Cleveland, with cash provided by operations and long-term
borrowings.  1997 capital expenditures are expected to be below the 1996 level.

OUTLOOK

Management is optimistic about the company's long term future, but cautious
about the short term.  We are encouraged by indications that the semiconductor
industry is improving, but the built-in lag in the semiconductor capital
equipment industry combined
<PAGE>   9
with continued investments in new businesses could limit earnings to near
break-even levels through the first half of fiscal 1997.

Start-up losses from the company's new businesses are expected to decrease over
the next few years as the businesses begin to show increased revenue streams
and expenses for these businesses are reduced as a percentage of overall sales.

FACTORS THAT MAY AFFECT FUTURE RESULTS

Information included in the Letter to Shareholders and in the Outlook section
of Management's Discussion and Analysis of Financial Condition and Results of
Operations relating to expectations as to revenues, earnings, expenses or gross
profits, as well as anticipated new product introductions, constitute
"forward-looking" statements, as that term is defined in the Private Securities
Litigation Reform Act of 1995.  Such statements are subject to certain risks
and uncertainties that could cause actual results to differ materially from
those projected.  Some of the factors that may affect future results are
discussed below.

Although the company operates in a single industry segment, certain of its
products and product lines including the Quantox unit and the company's line of
parametric testers, are sold into the semiconductor capital equipment industry.
Growth in demand for semiconductors and new technology drive the demand for new
semiconductor capital equipment.  At the present time, the order growth of this
industry has contracted which adversely affects near-term revenues of the
company.

In September 1996, the company announced its intention to relocate its Keithley
MetraByte operation to Cleveland from Taunton, Massachusetts, and form a new
business.  This relocation could create a decline in sales of the company's
personal computer plug-in board business for several reasons, including hiring
and training qualified personnel to assume duties of employees who will not
relocate from Taunton, and assimilating and establishing sales support and
manufacturing processes in Cleveland to sell and produce the plug-in board
products.

The company's business relies on the development of new high technology
products and services to provide solutions to customer's complex measurement
needs.  This requires accurate anticipation of customers' changing needs and
emerging technology trends.  The company must make long-term investments and
commit significant resources before
<PAGE>   10
knowing whether its predictions will eventually result in products that achieve
market acceptance.  The company incurs significant expenses developing new
business opportunities that may or may not result in significant sources of
revenue and earnings in the future.

In many cases the company's products compete directly with those offered by
other manufacturers.  If any of the company's competitors were to develop
products or services that are more cost-effective or technically superior,
demand for the company's product offerings could slow.

The company currently has ten subsidiaries or sales offices located outside the
United States, and non-U.S. sales make up half of the company's revenue.  The
company's future results could be adversely affected by several factors,
including changes in foreign currency exchange rates, changes in a country's or
region's political or economic conditions, trade protection measures, import or
export licensing requirements, unexpected changes in regulatory requirements
and natural disasters.
<PAGE>   11
NOTES TO CONSOLIDATED
FINANCIAL STATEMENTS
(In Thousands of Dollars Except for Per-Share Data)
NOTE A - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
PRINCIPLES OF CONSOLIDATION

         The consolidated financial statements include the accounts of Keithley
Instruments, Inc. and its subsidiaries.  Intercompany transactions have been
eliminated.

REVENUE RECOGNITION

         Sales are recognized at time of shipment for all products.

NATURE OF OPERATIONS

         The company operates in a single industry segment and is engaged in
the design, development, manufacture and marketing of complex electronic
instruments and systems. Its products provide measurement-based solutions to
semiconductor manufacturers and growth segments of the electronics and medical
industries.  Engineers and scientists around the world use the company's
advanced hardware and software for process monitoring, production test and
basic research.

PRODUCT DEVELOPMENT EXPENSES

         Expenditures for product development are charged to expense as
incurred.  These expenses include the cost of computer software, an integral
part of certain products.  Costs defined by Statement of Financial Accounting
Standards No. 86, "Accounting for the Costs of Computer Software to Be Sold,
Leased, or Otherwise Marketed," are immaterial to the financial statements and
have been expensed as incurred.  The company continually reviews the
materiality and financial statement classification of computer software
expenditures.

INVENTORIES

         Inventories are stated at the lower of cost (determined by the
first-in, first-out method) or market.

PROPERTY, PLANT AND EQUIPMENT

         Property, plant and equipment are stated at cost.  Depreciation is
provided over periods approximating the estimated useful lives of the assets.
Substantially all manufacturing, laboratory and office equipment is depreciated
by the double declining balance method over periods of 3 to 10 years.
Buildings are depreciated by the straight-line method over periods of 23 to 45
years.  Leasehold improvements are amortized over the shorter of the asset
lives or the terms of the leases.
<PAGE>   12
INTANGIBLE ASSETS

         Intangible assets relate to business acquisitions and are amortized on
a straight-line basis over their estimated useful lives ranging from 10 to 20
years.  Management reviews the carrying value of intangible assets using an
estimated future cash flow method (undiscounted and without interest charges)
whenever events or changes in circumstances indicate that the carrying amount
of the assets may not be recoverable.  At September 30, 1996, the company wrote
off the remaining goodwill associated with its acquisition of Keithley
MetraByte in 1989.  (See Note B.)  As a result of the write off, at September
30, 1996 the remaining intangible assets have asset lives of 10 years.

OTHER ASSETS

         Included in the "Other assets" caption of the Consolidated Balance
Sheet at September 30, 1996 and 1995, were $7,152 and $4,827, respectively, in
deferred tax assets.  Also included in "Other assets" were pension related
assets.  (See note E.)

         The "Net cash provided by operating activities" caption of the
Consolidated Statement of Cash Flows for the year ended September 30, 1994,
included proceeds of $2,503 from redeeming cash surrender value from the
company's corporate-owned life insurance program.  The remaining cash surrender
value is classified in "Other assets."

OTHER ACCRUED EXPENSES

         Included in the "Other accrued expenses" caption of the Consolidated
Balance Sheet at September 30, 1996 and 1995, were $1,476 and $1,522,
respectively, for commissions payable to outside sales representatives of the
company.

INCOME TAXES

         Provision has been made for estimated United States and foreign
withholding taxes, less available tax credits, for the undistributed earnings
of the non-U.S. subsidiaries as of September 30, 1996.

USE OF ESTIMATES

         The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the reported
financial statements and the reported amounts of revenues and expenses during
the reporting period.  Actual results could differ from those estimates.

NET INCOME PER SHARE

         The weighted average number of shares outstanding used in determining
net income per share was 7,822,346 in 1996, 7,476,138 (7,719,776 on a fully
diluted basis) in 1995 and 7,087,654 in 1994.  Both Common Shares and Class B
Common Shares are included in calculating the weighted average number of shares
outstanding.
<PAGE>   13
HEDGING AND RELATED FINANCIAL INSTRUMENTS

     The company utilizes foreign currency borrowings and foreign exchange
forward contracts to hedge foreign exchange risks for sales denominated in
foreign currencies and net equity or unremitted foreign earnings.

      To hedge sales, the company purchases foreign exchange forward contracts
to sell foreign currencies to fix the exchange rates related to near-term sales
and the company's margins.  Underlying hedged transactions are recorded at
hedged rates, therefore realized and unrealized gains and losses are recorded
when the operating revenue and expenses are recorded.

      To hedge equity or unremitted earnings, the company borrows foreign
currencies or purchases foreign exchange forward contracts.  Realized and
unrealized after-tax gains or losses on the hedging instruments are reflected
in the cumulative translation adjustment component of shareholders' equity.


      The company has entered into swap instruments to mitigate the risk of
interest rate changes.  The amounts exchanged under the swap agreements are
included in the "Net financing expenses" caption of the Consolidated Statement
of Income.  The estimated fair value of the swap instruments are determined
through quotes from the related financial institutions.

      The company is exposed to credit loss in the event of nonperformance by
the counterparties to these financial instruments.  Because the counterparties
are major financial institutions, the company does not expect such
nonperformance.

OTHER ACCOUNTING PRONOUNCEMENTS

      The Financial Accounting Standards Board issued Statement of Financial
Accounting Standards No. 123, "Accounting for Stock-Based Compensation" (FAS
123), effective for fiscal years beginning after December 15, 1995.  Under FAS
123, stock-based compensation expense is measured using either the intrinsic
value method, as prescribed by Accounting Principles Board Opinion No. 25, or
the fair value method described in FAS 123.  Companies choosing the intrinsic
value method will be required to disclose in the footnotes to the financial
statements the pro forma impact of the fair value method on net income and
earnings per share.  The company plans to implement FAS 123 in 1997 using the
intrinsic value method.
<PAGE>   14
NOTE B - SPECIAL CHARGES AND PURCHASED TECHNOLOGY

      In September 1996, it became apparent to management that due to the lack
of growth, the Keithley MetraByte business could not support stand-alone
operations.  Therefore management made the decision to move the Keithley
MetraByte operation located in Taunton, Massachusetts to Cleveland, Ohio.
Special charges of $11,645 pretax, or $1.23 per share, recorded in 1996
primarily represent the expected costs of closing the Taunton operation.  The
special charges are comprised of the following:  a noncash charge of $5,737 to
write off the remaining goodwill; $3,433 for severance, outplacement and other
personnel costs related to approximately 130 employees to be terminated of
which 40 employees were terminated by September 30, 1996; $998 for lease and
related costs, and $835 in noncash charges related to impaired inventory and
equipment.  Also included in special charges is $642 representing an accrual
for costs to be incurred over the next five years under two operating subleases
at the company's European facilities.  Of the special charges, noncash charges
total $6,572; $194 of severance related costs were paid in fiscal 1996, leaving
$4,538 accrued in the Consolidated Balance Sheet under the category "Other
accrued expenses" and $341 accrued under the category "Other long-term
liabilities."  The closing of the Taunton facility and relocation to Cleveland
is expected to be complete by July 1, 1997.  It is anticipated that once the
relocation is complete, employment for the operation will be reduced by a net
of over 50 people.  Certain costs to move the operation to Cleveland and hire
replacements (not included in the special charges incurred in 1996) will
approximate $1,000 to $1,500.

      In 1994, the company expensed $3,300 to acquire the right to develop and
commercialize direct wafer measurement technology from IBM.  Per the provisions
of the license agreement with IBM, the company will also pay future royalties
based on specified sales levels.  There is no minimum royalty payment required;
however, $3,000 must be paid by May 26, 2000 to retain exclusive rights to the
technology.
<PAGE>   15
NOTE C - FINANCING ARRANGEMENTS
<TABLE>
<CAPTION>
                                                                               September 30,
                                                                               -------------
                                                                               1996           1995
                                                                               ----           ----
<S>                                                                          <C>            <C>
Long-term debt:
Revolving loans with various banks with interest
due monthly; principal due May 31, 1998:
  U.S. dollar denominated loans with an interest
    rate of 6.0% based on LIBOR                                              $ 11,000       $  4,550
  Deutsche mark denominated loans with an interest
    rate of 3.75% based on FIBOR                                                2,292          1,401
Obligations under capital leases                                                   77            162
                                                                             --------       --------
                                                                               13,369          6,113
  Less-Current installments on long-term debt                                      61             71
                                                                             --------      ---------
Total long-term debt                                                         $ 13,308       $  6,042
                                                                              =======        =======

</TABLE>
     The company has a $25,000 debt facility ($13,292 outstanding at September
30, 1996) that expires May 31, 1998, which provides unsecured, multi-currency
revolving credit at various interest rates based on U.S. prime, LIBOR or FIBOR.
Commitment fees of 1/4% are required on the unused portion of the first $15,000
of the revolving credit facility and of 1/8% on the remaining $10,000 of the
facility.  Additionally, the company has a number of other credit facilities
aggregating $6,372.

      At September 30, 1996, the company had total unused lines of credit with
domestic and foreign banks aggregating $18,080, including short- term and
long-term lines of credit of $6,372 and $11,708, respectively.  Under certain
long-term debt agreements, the company is required to comply with various
financial ratios and covenants.  Principal payments on long-term debt are
scheduled as follows:  1997-$61; 1998-$13,308.

      The LIBOR interest rate was 5.4 percent and 5.9 percent at September 30,
1996 and 1995, respectively.  The FIBOR interest rate was 3.3 percent and 4.1
percent at September 30, 1996 and 1995, respectively.

      The company has two interest rate swap agreements with commercial banks
to effectively fix its interest rates on $6,000 of variable rate debt.  The
first agreement effectively fixes the interest rate on a notional $3,000 of
variable LIBOR rate debt at 6.8 percent, and expires June 17, 2002.  The second
agreement effectively fixes the interest rate on another notional $3,000 of
variable LIBOR rate debt at 6.9 percent, and expires September 18, 2005.  The
interest differentials to be paid or received on the notional amounts of the
swaps are recognized over the lives of the agreements.  At September 30, 1996
interest rate levels, the swaps require the
<PAGE>   16
company to make payments to the bank, with the fair value of the swaps totaling
approximately $129.

      Following is an analysis of net financing expenses:

<TABLE>
<CAPTION>
                                                               1996            1995             1994
                                                               ----            ----             ----
<S>                                                           <C>              <C>              <C>
Interest expense                                               $957           $1,092             $939
Investment income                                              (138)            (106)            (118)
                                                               ----           ------             ---- 
                                                               $819           $  986             $821
                                                               ====           ======             ====
</TABLE>
<PAGE>   17
NOTE D - FOREIGN CURRENCY

      The functional currency for the company's foreign subsidiaries is the
applicable local currency.  Income and expenses are translated into U.S.
dollars at average exchange rates for the period.  Assets and liabilities are
translated at the rates in effect at the end of the period.  Translation gains
and losses are recognized in the cumulative translation component of
shareholders' equity.

      Following is an analysis of the cumulative translation component of
shareholders' equity:
<TABLE>
<CAPTION>
                                                               1996             1995             1994
                                                               ----             ----             ----
<S>                                                          <C>              <C>              <C>
Balance at beginning of year                                 $   589          $   368          $   188
Adjustments to financial statements for
 translation of foreign currency                                (76)              324              232
Gains (losses) from hedging net invest-
 ments in foreign subsidiaries net of
 income taxes (benefit) of $25 in 1996,
 $(53) in 1995 and $(27) in 1994.                                 49             (103)             (52)
                                                              -------          ------          ------- 
Balance at end of year                                       $   562          $   589          $   368
                                                              ======           ======           ======

</TABLE>
      Certain transactions of the company and its foreign subsidiaries are
denominated in currencies other than the functional currency.  The Consolidated
Statement of Income includes gains (losses) from such foreign exchange
transactions of $91, $(22) and $78 for 1996, 1995 and 1994, respectively.

      At September 30, 1996, the company had obligations under foreign exchange
forward contracts to sell 1,900,000 Deutsche marks, 190,000 British pounds,
1,500,000 French francs and 131,586 Swiss francs at various dates through
December 1996.  The total U.S. dollar equivalent amount of foreign exchange
contracts of $1,973 includes an unrecognized gain of $33 at September 30, 1996.

      The company has purchased and written currency option contracts that
effectively provide minimum and maximum exchange rates that the company would
receive for anticipated foreign currency denominated sales.  Under the terms of
the options, the company has the right to deliver 3,000,000 Deutsche marks at
average rates of 1.57 per U.S. dollar and the obligation, if called, to deliver
3,000,000 Deutsche marks at average rates of 1.44 per U.S. dollar.  The
<PAGE>   18
options expire in equal amounts in October and December 1996.  The options had
no effect on net income in fiscal 1996, and gains and losses on the options, if
any, are recorded as incurred.
<PAGE>   19
NOTE E - EMPLOYEE BENEFIT PLANS

         The company has non-contributory defined benefit pension plans
covering approximately three-fourths of its employees in the United States and
certain non-U.S. employees.  Pension benefits are based upon the employee's
length of service and a percentage of compensation above certain base levels.
Pension expense for these plans is shown below:

<TABLE>
<CAPTION>
                                                                     1996            1995           1994
                                                                     ----            ----           ----
      <S>                                                          <C>              <C>            <C>
      Service cost-benefits earned during the period               $   652          $   605        $   675
      Interest cost on projected benefit obligation                  1,048              945            879
      Actual return on assets                                       (2,471)          (1,818)           (18)
      Net amortization and deferral                                  1,328              884           (890)
                                                                    ------           ------         ------
      Net periodic pension cost                                    $   557          $   616        $   646
                                                                    ======           ======         ======

</TABLE>
      The following table sets forth the funded status of the company's plans
and the related amounts recognized in the Consolidated Balance Sheet at
September 30, 1996 and 1995:
<TABLE>
<CAPTION>
                                                                                                 Non-U.S.
                                                            United States Plan                     Plan
                                                                  Overfunded                  Underfunded*
                                                            ---------------------             ------------
                                                             1996         1995             1996           1995
                                                             ----         ----             ----           ----
<S>                                                       <C>            <C>              <C>            <C>
Actuarial present value of benefit obligations:
Vested benefit obligation                                  $10,439        $ 9,028          $ 1,678      $  1,380
                                                           =======       ========          =======      ========
Accumulated benefit obligation                             $10,890        $ 9,189          $ 1,899      $  1,573
                                                           =======       ========         ========      ========
Projected benefit obligation                               $13,280        $11,201          $ 2,732      $  2,358
Plan assets at fair value                                  $16,385        $13,707          $   498      $    455
                                                           -------        -------         --------      --------
Projected benefit obligation (in excess of)
  or less than plan assets                                 $ 3,105        $ 2,506          $(2,234)     $ (1,903)
Unrecognized net gain                                       (1,972)        (1,671)            (567)         (788)
Unrecognized prior service cost                              1,263          1,293               79            --
Unrecognized initial net (asset) obligation                   (401)          (444)             265           307
                                                         --------        --------          --------     --------
Prepaid pension assets (pension liability)
  recognized in the Consolidated Balance
  Sheet                                                    $ 1,995        $ 1,684          $(2,457)      $(2,384)
                                                           =======        =======          =======       ======= 

</TABLE>
*     The company has purchased indirect insurance of $2,514 which is expected
      to be available to the company as non-U.S. pension liabilities of $2,457
      mature.  The caption, "Other assets," on the company's Consolidated
      Balance Sheet includes $2,514 and $2,338 at September 30, 1996 and 1995,
      respectively, for this asset.  In accordance with Statement of Financial
<PAGE>   20
      Accounting Standards No. 87, "Employers' Accounting for Pensions," this
company asset is not included in the non-U.S. plan assets.

      The significant actuarial assumptions as of the year-end measurement date
were as follows:
<TABLE>
<CAPTION>
                                                                                       1996           1995        1994
                                                                                       ----           ----        ----
                 <S>                                                                   <C>            <C>         <C>
                 United States Pension Plan:
                 Discount rates                                                        7.5%           7.5%        7.5%
                 Expected long-term rate of return on plan assets                      8.5%           8.5%        8.5%
                 Rate of increase in compensation levels                               5.5%           5.5%        5.5%

                 Non-U.S. Pension Plan:
                 Discount rates                                                        6.5%           7.5%        8.0%
                 Expected long-term rate of return on plan assets                      7.0%           7.0%        7.5%
                 Rate of increase in compensation levels                               3.5%           4.5%        5.0%
</TABLE>

      The "Projected Unit Credit" Actuarial Cost Method is used to determine
the company's annual expense.

      For the United States plan, the company uses the "Entry Age Normal"
Actuarial Cost Method to determine its annual funding requirements.  This
actuarial method currently results in funding amounts significantly greater
than the amounts expensed.  United States plan assets are invested primarily in
common stocks and fixed-income securities.

      There are no requirements for the company to fund the non-U.S. pension
plan.  Non-U.S. plan assets represent employee contributions and are invested
in a direct insurance contract payable to the individual participants.

      In addition to the defined benefit pension plan, the company also
maintains a retirement plan for substantially all of its employees in the
United States under Section 401(k) of the Internal Revenue Code.  The company
makes contributions to the 401(k) plan, and expense for this plan amounted to
$388, $539 and $324 in 1996, 1995 and 1994, respectively.

      The company also has an unfunded supplemental executive retirement plan
(SERP) for two officers and for former key employees which includes retirement,
death and disability benefits.  Expense for these benefits was $102 for 1996,
$85 for 1995, and $165 for 1994.  During 1994, the company settled a portion of
its SERP obligation through a lump-sum distribution of $1,236, resulting in a
net charge to earnings of $343.  Liabilities of $497 and $355 were accrued in
the "Other long-term liabilities" caption on the company's Consolidated Balance
Sheet to meet all SERP obligations at September 30, 1996 and 1995,
respectively.
<PAGE>   21
NOTE F - STOCK PLANS

      The company has employee stock options outstanding under two plans and
directors' stock options outstanding under one plan.  All incentive options
have been granted at or above fair market value at the date of grant.  The
company also has an employee stock purchase plan.

Employee Stock Option Plans

      Under the 1984 Stock Option Plan and the 1992 Stock Incentive Plan,
675,000 and  1,900,000 of the company's Common Shares, respectively, were
reserved for the granting of options to officers and other key employees.
After February 11, 1994, no new grants could be issued from the 1984 Stock
Option Plan.  Shares authorized but not yet granted under the 1992 plan were
862,046 at September 30, 1996.  The Compensation and Human Resources Committee
administers the plans with incentive stock options granted at not less than
fair market price at the date of the grant for an exercise period not to exceed
ten years from the grant date.  Such grants generally become exercisable over a
four year period.  The option price under a nonqualified stock option is
determined by the Committee on the date the option is granted.  The 1992 Stock
Incentive Plan also provides for restricted stock awards and stock appreciation
rights.  This plan will expire on February 8, 2002.  All options outstanding at
the time of termination of either plan shall continue in full force and effect
in accordance with their terms.
<PAGE>   22
  The following table summarizes the changes in the number of Common Shares
under option for both employee stock option plans:

<TABLE>
<CAPTION>
                                                                                                Option Price
Shares subject to option at                                                                        Range
<S>                                                                 <C>                        <C>
  September 30, 1993                                                  669,180                  $3.50 to $ 8.44
                                                                    ---------                                 
  Options granted                                                     391,400                  $4.75 to $ 5.38
  Options exercised                                                   (86,352)                 $3.50 to $ 4.31
  Options forfeited                                                  (137,340)                 $4.13 to $ 8.44
                                                                   ----------                                  
Shares subject to option at
  September 30, 1994                                                  836,888                  $4.00 to $ 8.44
                                                                   ----------                                  
  Options granted                                                     235,100                  $5.19 to $13.69
  Options exercised                                                   (94,608)                 $4.00 to $ 8.44
  Options forfeited                                                    (5,792)                 $4.75 to $ 6.06
                                                                  -----------                                  
Shares subject to option at
  September 30, 1995                                                  971,588                  $4.00 to $13.69
                                                                   ----------                                   
  Options granted                                                     370,360                  $9.25 to $15.69
  Options exercised                                                  (149,373)                 $4.04 to $ 8.44
  Options forfeited                                                   (38,586)                 $4.63 to $13.69
                                                                   ----------                                    
Shares subject to option at
  September 30, 1996                                                1,153,989                  $4.00 to $15.69
                                                                    =========                                  
Exercisable options at September 30, 1996                             382,044                  $4.00 to $ 8.44
                                                                   ==========                                 
Exercisable options at September 30, 1995                             288,630                  $4.00 to $ 8.44
                                                                   ==========                                  

</TABLE>
1992 Directors' Stock Option Plan

         The 1992 Directors' Stock Option Plan provides for the issuance of
60,000 of the company's Common Shares to non-employee Directors.  Under the
terms of the plan, each non-employee Director is automatically granted an
option to purchase 600 Common Shares at the close of each annual shareholders'
meeting.  The option price shall be the fair market value of a Common Share on
the date of grant.  The option is exercisable six months and one day after the
date of grant and will expire after ten years.  The plan provides for the
granting of stock options through December 7, 2002.  During fiscal years 1996,
1995 and 1994, 3,600, 4,200 and 4,800 options were granted at option prices of
$14.75, $5.19 and $5.00, respectively.  During 1996, no options were exercised.
During 1995, 1,800 options were exercised at prices ranging from $5.00 to
$7.50.  As of September 30, 1996 and 1995, 18,000 and 14,400 shares were
exercisable, respectively. Options available for future grants were 40,200 and
43,800 at September 30, 1996 and 1995, respectively.
<PAGE>   23
1993 Employee Stock Purchase Plan

     On February 5, 1994, the company's shareholders approved the 1993 Employee
Stock Purchase and Dividend Reinvestment Plan. The plan offers eligible
employees the opportunity to acquire the company's Common Shares at a discount
and without transaction costs.  Eligible employees can only participate in the
plan on a year-to-year basis, must enroll prior to the commencement of each plan
year and must authorize monthly payroll deductions.  The purchase price of the
Common Shares is 85 percent of the lower market price at the beginning or ending
of the plan year, which is on a calendar year basis.  A total of 250,000 Common
Shares are available for purchase under the plan.  Total shares may be increased
with shareholder approval or the plan may be terminated when the 250,000 shares
are fully subscribed.  The company expects to increase the number of Common
Shares available under the plan to 750,000 subject to shareholder approval at
the February 1997 shareholders' meeting.  During 1996 and 1995, 74,156 and
40,050 shares were issued under the plan at prices of $4.25 and $4.14 per share,
respectively.
<PAGE>   24
NOTE G - INCOME TAXES

      For financial reporting purposes, income (loss) before income taxes
includes the following components:
<TABLE>
<CAPTION>
                                                                1996             1995            1994
                                                                ----             ----            ----
      <S>                                                     <C>               <C>           <C>
      United States                                           $(9,383)          $ 1,970        $(2,211)
      Non-U.S.                                                  3,059             4,452          2,335
                                                              -------           -------          -----
                                                              $(6,324)          $ 6,422        $   124
                                                              =======           =======        =======
</TABLE>
      The provision for income taxes is as follows:
<TABLE>
<CAPTION>
                                                                 1996             1995           1994
                                                                 ----             ----           ----
<S>                                                           <C>               <C>             <C>
Current:
      Federal                                                 $ 1,330           $   720        $   318
      Non-U.S.                                                  1,513             1,859          1,009
      State and local                                              45               146            106
                                                              -------           -------        -------
      Total current                                             2,888             2,725          1,433
                                                              -------           -------        -------
Deferred
      Federal                                                  (3,800)           (1,199)        (2,154)
      Non-U.S.                                                     28               (18)           (62)
                                                              -------           -------        ------- 
      Total deferred                                           (3,772)           (1,217)        (2,216)
                                                              -------           -------        -------
      Total provision (benefit)                               $  (884)          $ 1,508        $  (783)
                                                              =======           =======        ======= 

</TABLE>
      Differences between the statutory United States federal income tax and
the effective income tax rate are as follows:

<TABLE>
<CAPTION>
                                                                 1996             1995            1994
                                                                 ----             ----            ----
<S>                                                           <C>                <C>            <C>
Federal income tax at statutory rate                          $(2,150)           $2,183        $    42
State and local income taxes                                        30               96              70
Tax on non-U.S. income and tax credits                           (884)             (881)         (1,193)
Non-deductible amortization                                      2,123              158             158
Other                                                              (3)              (48)            140
                                                              -------            ------        --------  
Effective income tax (benefit)                                $  (884)           $1,508        $  (783)
                                                              =======            ======        =======  
</TABLE>
<PAGE>   25
      Significant components of the company's deferred tax assets and
liabilities as of September 30, 1996 and 1995 are as follows:

<TABLE>
<CAPTION>
Deferred tax assets:                                                   1996             1995
- -------------------                                                    ----             ----
<S>                                                                <C>                 <C>
Foreign tax credit carryforwards                                   $      --           $   79
Capitalized research and development                                   5,221            2,905
Special charges                                                        1,724               --
Intangibles                                                            1,006            1,274
State and local taxes                                                  1,441            1,089
Alternative minimum tax credit carryforwards                           1,174            1,282
Deferred compensation                                                    615              949
Inventory                                                              1,124              971
General business credit carryforwards                                    872              488
Other                                                                  1,252            1,131
                                                                      ------           ------
Total deferred tax assets                                             14,429           10,168
                                                                      ------           ------
Valuation allowance for deferred tax assets                           (2,994)          (2,606)
                                                                      ------           ------ 
                                                                      11,435            7,562
                                                                      ------           ------

Deferred tax liabilities:
- ------------------------ 
Pension contribution                                                     904              771
Other                                                                    351              383
                                                                      ------           ------
Total deferred tax liabilities                                         1,255            1,154
                                                                      ------           ------
Net deferred tax assets                                              $10,180           $6,408
                                                                     =======           ======

</TABLE>
      The valuation allowance relates to tax credit carryforwards which more
likely than not will not be realized.  The current year increase relates
primarily to an increase in deferred state tax items.

      At September 30, 1996, the Company had capital loss and tax credit
carryforwards as follows:

<TABLE>
<CAPTION>
                                                                             Year Expiration
                                                                                Commences   
                                                                             ---------------
<S>                                                        <C>                   <C>
General business credit                                     $872                   2002
Capital loss                                                 211                   1997
Alternative minimum tax credit                             1,174                 Indefinite
</TABLE>
<PAGE>   26

NOTE H - STOCK AND RELATED ACCOUNTS

      The Class B Common Shares have ten times the voting power of the Common
Shares but are entitled to cash dividends of no more than 80% of the cash
dividends on the Common Shares.  Holders of Common Shares, voting as a class,
elect one-fourth of the company's Board of Directors and participate with
holders of Class B Common Shares in electing the balance of the Directors and
in voting on all other corporate matters requiring shareholder approval.
Additional Class B Common Shares may be issued only to holders of such Shares
for stock dividends or stock splits.  These Shares are convertible at any time
to Common Shares on a one-for-one basis.  Following is an analysis of changes
in stock and related accounts:

<TABLE>
<CAPTION>
                                                                                                              Capital in
                                                                    Class B                                    Excess of
                                       Common Shares             Common Shares           Treasury Stock      Stated Value
                                       -------------             -------------           --------------      ------------
                                         $      Shares            $      Shares             $     Shares
                                      ----      ------        -----      ------          ----     ------
<S>                                   <C>       <C>           <C>       <C>              <C>                     <C>
Balance, September 30, 1993           $101      4,033,810     $  76     3,034,080        $ --          --        $3,387
Shares issued under stock plans,
    net of 49,366 Shares tendered        1         36,986        --            --          --          --            82
Conversion of Class B Common
    Shares to Common Shares              2         86,040        (2)      (86,040)         --          --            --
                                    ------     ----------    ------       -------        ----      ------        ------
Balance, September 30, 1994            104      4,156,836        74     2,948,040          --          --         3,469
Shares issued under stock plans
    net of 13,362 Shares tendered        3        123,096        --            --          --          --           512
Conversion of Class B Common
    Shares to Common Shares              1         29,044        (1)      (29,044)         --          --            --
                                    ------     ----------    ------   -----------        ----      ------        ------
Balance, September 30, 1995            108      4,308,976        73     2,918,996          --          --         3,981
Shares issued under stock plans
    net of 3,031 Shares tendered         5        222,906        --            --        (136)    (10,155)        1,385
Conversion of Class B Common
    Shares to Common Shares              3        124,718        (3)     (124,718)         --          --            --
Fee paid to increase authorized                                                                                  
    shares                              --             --        --            --          --          --           (73)
                                      ----      ---------     -----    ----------        ----      ------    ----------
Balance, September 30, 1996           $116      4,656,600     $  70     2,794,278        (136)    (10,155)       $5,293
                                      ====      =========     =====    ==========        ====      ======    ==========

</TABLE>
     On November 6, 1995, the company's Board of Directors approved a
two-for-one split of the company's Common Shares and Class B Common Shares.
The split was effected in the form of a stock dividend payable on December 11,
1995, to shareholders of record on November 27, 1995.  All share amounts have
been adjusted to reflect the stock split on a retroactive basis.
<PAGE>   27
NOTE I - LEASES

      The company leases certain equipment under capital leases.
Manufacturing, laboratory and office equipment includes $526 and $592 of leased
equipment at September 30, 1996 and 1995, respectively.  Accumulated
depreciation includes $487 and $517 at September 30, 1996 and 1995,
respectively, related to these leases.  The company also leases certain office
and manufacturing facilities and office equipment under operating leases.  Rent
expense under operating leases, net of sublease income of $245 in 1996, $282 in
1995 and $265 in 1994, for 1996, 1995 and 1994 was $2,178, $2,119 and $2,046,
respectively.  Future minimum lease payments under operating leases are:
<TABLE>
<S>                                                          <C>
      1997                                                   $ 2,639
      1998                                                     2,117
      1999                                                     1,492
      2000                                                     1,397
      2001                                                       967
      After 2001                                               2,802
                                                              ------
Total minimum operating lease payments                       $11,414
                                                              ======
</TABLE>
<PAGE>   28
NOTE J - GEOGRAPHIC SEGMENTS

      The company operates in a single industry segment and is engaged in the
design, development, manufacture and marketing of complex electronic
instruments and systems. The  operations by geographic area are presented
below:

<TABLE>
<CAPTION>
                                                              1996             1995             1994
                                                              ----             ----             ----
<S>                                                      <C>                <C>              <C>
NET SALES, INCLUDING  INTERCOMPANY SALES:
- -----------------------------------------
United States (1)                                           $ 98,232         $ 88,410         $ 72,337
Europe                                                        37,799           37,659           30,107
Intercompany                                                 (17,085)         (16,495)         (13,196)
                                                            --------         --------         --------
Net sales                                                   $118,946         $109,574         $ 89,248
                                                            ========         ========         ========
INCOME (LOSS) BEFORE INCOME TAXES (2)
- -------------------------------------
United States                                               $ (7,372)        $  4,282         $    922
Europe                                                         3,180            4,158            2,280
Adjustments/eliminations                                         (34)              77               92
                                                            --------         --------         --------
                                                              (4,226)           8,517            3,294
                                                            --------         --------         --------
Corporate expenses                                            (1,279)          (1,109)          (2,349)
Net financing expenses                                          (819)            (986)            (821)
                                                            --------         --------         -------- 
Income (loss) before income taxes                           $ (6,324)        $  6,422         $    124
                                                            ========         ========         ========
IDENTIFIABLE ASSETS:
- --------------------
United States                                               $ 54,507         $ 49,087         $ 40,378
Europe                                                         9,720           11,164           10,109
Adjustments/eliminations                                      (5,651)          (5,429)          (5,195)
                                                            --------         --------         --------
                                                              58,576           54,822           45,292
Corporate assets                                              15,258           11,287            9,118
                                                            --------         --------         --------
Total assets                                                $ 73,834         $ 66,109         $ 54,410
                                                            ========         ========         ========

</TABLE>
(1) U.S. sales include $21,295, $18,793 and $13,625 in export sales to markets
other than Europe in 1996, 1995 and 1994, respectively.  (2) 1996 loss before
income taxes includes special charges of $11,003 in the U.S. and $642 in
Europe.  (See Note B.)

       Intercompany sales were at cost plus a negotiated markup.  Assets of
geographic areas are identified with the operations of each area.  Corporate
assets consist of cash and cash equivalents, other receivables, prepaid
expenses and deferred income taxes.
<PAGE>   29
NOTE K - CONTINGENCIES

      The company is engaged in various legal proceedings arising in the
ordinary course of business.  The ultimate outcome of these proceedings is not
expected to have a material adverse effect on the company's financial position,
results of operations or cash flows.
<PAGE>   30
                       Report of Independent Accountants


To the Board of Directors and Shareholders of
Keithley Instruments, Inc.


         In our opinion, the accompanying consolidated balance sheet and the
related consolidated statements of income, of earnings reinvested in the
business and of cash flows present fairly, in all material respects, the
financial position of Keithley Instruments, Inc. and its subsidiaries at
September 30, 1996 and 1995, and the results of their operations and their cash
flows for each of the three years in the period ended September 30, 1996, in
conformity with generally accepted accounting principles.  These financial
statements are the responsibility of the company's management; our
responsibility is to express an opinion on these financial statements based on
our audits.  We conducted our audits of these statements in accordance with
generally accepted auditing standards which require that we plan and perform
the audit to obtain reasonable assurance about whether the financial statements
are free of material misstatement.  An audit includes examining, on a test
basis, evidence supporting the amounts and disclosures in the financial
statements, 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 the
opinion expressed above.


PRICE WATERHOUSE LLP



Cleveland, Ohio
November 14, 1996
<PAGE>   31
                     Statement of Management Responsibility


      The consolidated financial statements of Keithley Instruments, Inc. were
prepared by management and, accordingly, management is responsible for their
accuracy and objectivity.  The company utilizes accounting policies which are,
in the judgment of management, the most appropriate for the company's
circumstances.  Certain estimates and judgments are required in the preparation
of financial statements.  The financial information included in this Annual
Report has been prepared using management's best estimates, which were based
upon appropriate research and investigation.

      The company maintains internal accounting control systems that are
designed to detect and correct material misstatements of financial information.
These systems are regularly modified in response to the company's changing
business conditions.  Additionally, our independent accountants, Price
Waterhouse LLP, obtain a sufficient understanding of the internal control
structure in order to plan and complete the annual audit of the company's
financial statements.

      The Audit Committee of the Board of Directors, which consists of three
Directors otherwise independent of the company, serves an oversight role in
reviewing the internal control monitoring process.  The Committee regularly
meets with and has direct access to Price Waterhouse LLP.

      Management acknowledges its responsibility to provide financial
information (both audited and unaudited) that is representative of the
company's operations and financial position, prepared on a consistent basis and
relevant for a meaningful appraisal of the company.



Joseph P. Keithley                     Ronald M. Rebner
Chairman, President                    Vice President and Chief
and Chief Executive Officer            Financial Officer
<PAGE>   32
Stock Market Price and Cash Dividends


         Beginning November 28, 1995, the company's Common Shares trade on the
New York Stock Exchange under the symbol KEI.  Prior to November 28, 1995, the
company's Common Shares traded on the American Stock Exchange under the symbol
KEI.  The high and low prices shown below are sales prices of the company's
Common Shares as reported on the NYSE or the AMEX.  There is no established
public trading market for the company's Class B Common Shares; however, they
are readily convertible on a one-to-one basis for Common Shares.

<TABLE>
<CAPTION>
                                                                                        Cash Dividends
                                                               Cash Dividends            Per Class B
Fiscal 1996                    High            Low            Per Common Share           Common Share
- -----------                    ----            ---            ----------------           ------------
<S>                        <C>            <C>                   <C>                       <C>
First Quarter              $18            $14                   $  .031                   $  .025
Second Quarter             16 7/8         12 7/8                   .031                      .025
Third Quarter              19 1/8         12 5/8                   .031                      .025
Fourth Quarter             14 1/4         8 3/8                    .031                      .025

Fiscal 1995
- -----------

First Quarter              $ 5 1/4        $ 4 1/2               $  .025                   $  .020
Second Quarter             6 7/16         4 13/16                  .025                      .020
Third Quarter              11             6 9/16                   .025                      .020
Fourth Quarter             15 15/16       10 1/4                   .031                      .025
</TABLE>
<PAGE>   33
Unaudited Quarterly Results of Operations
(In Thousands of Dollars Except for Per-Share Data)


<TABLE>
<CAPTION>
                                                         First       Second        Third      Fourth
                                                         -----       ------        -----      ------
Fiscal 1996
- -----------
<S>                                                     <C>          <C>          <C>         <C>
Net sales                                               $29,823      $30,019      $29,403     $29,701

Gross profit                                             17,988       19,052       18,027      17,739

Income (loss) before income taxes (1)                     1,659        2,045        1,006     (11,034)

Net income (loss) (1)                                     1,145        1,485          761      (8,831)

Net income (loss) per share (1)                             .15          .19          .10       (1.14)

Fully diluted net income (loss) per share (1)               .15          .19          .10       (1.14)

Fiscal 1995
- -----------

Net sales                                               $23,525      $27,850      $28,975     $29,224

Gross profit                                             14,428       17,008       17,840      17,926

Income before income taxes                                  481        1,738        1,992       2,211

Net income                                                  346        1,318        1,494       1,756

Net income per share                                        .05          .18          .20         .23

Fully diluted net income per share                          .05          .18          .20         .23
</TABLE>



(1) Includes special charges totaling $11,645 pretax, or $1.23 per share in the
    fourth quarter.
<PAGE>   34
Eleven Year Summary
(In Thousands Of Dollars Except For Per-Share Data)


<TABLE>
<CAPTION>
For the year ended
September 30,                    1996     1995    1994   1993(b)      1992     1991      1990     1989     1988      1987    1986(d)
                             --------  -------  ------   ------     ------   ------   -------   ------   ------    ------    ------ 
<S>                          <C>       <C>      <C>      <C>        <C>      <C>      <C>       <C>      <C>       <C>       <C>    
Operating Results                                                                                                                   
 Net sales                   $118,946  109,574  89,248   91,146     94,666   99,497   100,593   88,728   72,282    57,652    47,681 
 Income (loss) before                                                                                                               
  income taxes and                                                                                                                  
  cumulative effect of                                                                                                              
  accounting change            (6,324)   6,422     124    5,530    (10,420)   6,816     5,675    7,311    8,204     5,209     4,323 
 Net income(loss)              (5,440)   4,914     907    4,784    (12,453)   4,233     3,378    4,131    5,414     3,280     2,909 
 Net income(loss) per                                                                                                               
  share(a)                      (0.70)    0.66    0.13     0.68      (1.77)    0.60      0.48     0.59     0.78      0.49      0.44 
 Fully diluted net                                                                                                                  
  income (loss) per                                                                                                                 
  share                         (0.70)    0.64    0.13     0.68      (1.77)    0.60      0.48     0.59     0.78      0.49      0.44 
                                                                                                                                    
Common Stock Information(a)                                                                                                         
 Cash dividends per                                                                                                                 
  Common Share                 $0.125    0.106   0.100    0.100      0.100    0.094     0.089    0.082    0.058     0.046     0.041 
 Cash dividends per                                                                                                                 
  Class B Common Share         $0.100    0.085   0.080    0.080      0.080    0.075     0.071    0.066    0.046     0.036     0.033 
 Weighted average number                                                                                                            
  of shares                                                                                                                         
  outstanding-fully                                                                                                                 
  diluted (in thousands)        7,822    7,720   7,088    7,061      7,046    7,026     7,014    6,994    6,974     6,790     6,696 
 At fiscal year-end:                                                                                                                
  Number of shareholders                                                                                                            
   of record                      594      535     567      587        618      664       686      699      711       357       313 
  Dividend payout ratio(e)         --     16.1%   76.9%    14.7%        --     15.7%     18.5%    13.9%     7.4%      9.4%      9.4%
  Price/earnings ratio(e)          --     23.3    40.4      7.4         --     10.1       8.5     11.0     11.5      17.5      13.8 
  Shareholders' equity                                                                                                              
   per share                    $4.26     5.11    4.50     4.45       4.05     5.85      5.40     4.88     4.37      3.68      3.08 
  Closing market price         $8.875   14.938   5.250    5.000      4.563    6.063     4.063    6.500    8.938     8.500     6.000 
                                                                                                                                    
Balance Sheet Data                                                                                                                  
 Total assets                 $73,834   66,109  54,410   52,413     53,160   66,637    69,205   69,917    46,602   33,065    28,869 
                                                                                                                                    
 Current ratio                    1.7      2.0     1.9      2.2        2.3      2.1       2.3      2.7      2.4       1.9       2.8 
 Total debt                   $13,369    6,113   4,816    6,518      8,978   10,506    16,562   22,419    2,027     5,773     2,684 
 Total debt-to-capital           29.6%    14.2%   13.1%    17.2%      23.9%    20.3%     30.4%    39.6%     6.2%     18.4%     11.5%
 Shareholders' equity         $31,756   36,902  31,946   31,415     28,530   41,129    37,870   34,216   30,518    25,577    20,644 
                                                                                                                                    
Other Data                                                                                                                          
 Return on average                                                                                                                  
   shareholders' equity         -15.8%    14.3%    2.9%    16.0%     -35.8%    10.7%      9.4%    12.7%    19.0%     14.5%     15.6%
 Return on average                                                                                                                  
   total assets                  -7.8%     8.2%    1.7%     9.1%     -20.8%     6.2%      4.9%     7.1%    11.9%      8.5%      9.4%
 Return on net sales             -4.6%     4.5%    1.0%     5.2%     -13.2%     4.3%      3.4%     4.7%     7.5%      5.7%      6.1%
 Number of employees              716      659     625      625        679      716       750      742      579       523       479 
 Sales per employee            $173.0   $170.7   142.8    139.8      135.7    135.7     134.8    134.3    131.2     115.1      99.1 
 Cash flow                                                                                                                          
  Non cash charges                                                                                                                  
   to income(c)                $7,064    2,573   1,346    1,849     15,185    4,325     6,649    4,234    3,062     2,516     2,086 
  Net cash provided by                                                                                                              
    operating activities       $2,600    2,457   6,641    6,289      4,475    9,399     9,111    4,592    6,812     5,741     4,248 
 Ten-year compound                                                                                                                  
   annual growth rate                                                                                                               
  Net sales                       9.6%     8.8%    7.0%    10.0%      11.1%    12.8%     13.7%    16.4%    17.9%     19.2%     19.3%
  Net income(e)                    --      5.7%  -14.2%     9.1%        --     39.7%     10.4%    12.5%    21.2%     19.8%     27.7%

<FN>
- ---------------

(a)  Share data adjusted for two-for-one stock split in November 1995,
     three-for-two stock split in 1987 and three-for-one stock split in 1985.

(b)  Includes a benefit for the cumulative effect of adopting FAS 109 of $1,447
     or $.21 per share.

(c)  Noncash charges to income include depreciation, amortization, deferred
     compensation, deferred taxes, noncash special charges and the cumulative
     effect of adopting FAS 109.

(d)  In 1987, the Company adopted Statement of Financial Standards No.87,
     "Employers' Accounting for Pensions"; prior years have not been restated.

(e)  These ratios are not meaningful in 1992 and 1996 due to reported net
     losses.

</TABLE>


<PAGE>   1
21. Subsidiaries of the registrant



                           WHOLLY OWNED SUBSIDIARIES

Keithley International Investment Corporation
28775 Aurora Road, Cleveland, Ohio 44139, U.S.A.

Keithley Foreign Sales Corporation
5 Norre Gade, Charlotte Amalie
St. Thomas, U.S. Virgin Islands 00801

FRANCE:  Keithley Instruments SARL
BP 60, 3 allee des Garays
91122 Palaiseau Cedex

GERMANY:  Keithley Instruments GmbH
Landsberger Strasse 65
82110 Germering (Munich)

GREAT BRITAIN:  Keithley Instruments Ltd.
The Minister, 58 Portman Road
Reading (London), Berkshire RG30 1EA

ITALY:  Keithley Instruments SRL
Viale San Gimignano 38
20146 Milano

JAPAN:  Keithley Instruments Far East KK
Aibido Building
7-20-2 Nishishinjuku
Shinjuku-ku, Tokyo 160

NETHERLANDS:  Keithley Instruments BV
Avenlingen West 49
4202 MS Gorinchem (Amsterdam)

SWITZERLAND:  Keithley Instruments SA
Kriesbachstrasse 4
8600 Dubendorf (Zurich)

<PAGE>   1
23. Consent of experts



                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration
Statement on Form S-8 (No. 33-2496) of Keithley  Instruments, Inc. of our
report dated November 14, 1996 appearing on page 32 of the Annual Report to
Shareholders which is incorporated in this Annual Report on Form 10-K.  We also
consent to the incorporation by reference of our report on the Financial
Statement Schedule, which appears on page 20 of this Form 10-K.




PRICE WATERHOUSE LLP

Cleveland, Ohio
December 17, 1996


<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          SEP-30-1996
<PERIOD-START>                             OCT-01-1995
<PERIOD-END>                               SEP-30-1996
<CASH>                                           3,995
<SECURITIES>                                         0
<RECEIVABLES>                                   19,168
<ALLOWANCES>                                       630
<INVENTORY>                                     17,426
<CURRENT-ASSETS>                                43,740
<PP&E>                                          37,873
<DEPRECIATION>                                  22,531
<TOTAL-ASSETS>                                  73,834
<CURRENT-LIABILITIES>                           25,061
<BONDS>                                         13,308
                                0
                                          0
<COMMON>                                           186
<OTHER-SE>                                      31,570
<TOTAL-LIABILITY-AND-EQUITY>                    73,834
<SALES>                                        118,946
<TOTAL-REVENUES>                               118,946
<CGS>                                           46,140
<TOTAL-COSTS>                                   46,140
<OTHER-EXPENSES>                                18,337
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 819
<INCOME-PRETAX>                                (6,324)
<INCOME-TAX>                                     (884)
<INCOME-CONTINUING>                            (5,440)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (5,540)
<EPS-PRIMARY>                                    (.70)
<EPS-DILUTED>                                    (.70)
        

</TABLE>


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