MARQUETTE MEDICAL SYSTEMS INC
10-K, 1998-07-17
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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<PAGE>
 
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                                   FORM 10-K

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

                   For the fiscal year ended April 30, 1998
                   Commission file number:          0-18724

                        MARQUETTE MEDICAL SYSTEMS, INC.
            (Exact name of registrant as specified in its charter)

         Wisconsin                                    39-1046671
(State or other jurisdiction of                         (I.R.S. 
Employer
incorporation or organization)                     Identification No.)

8200 West Tower Avenue, Milwaukee, Wisconsin             53223
     (Address of Principal Executive Offices)        (Zip Code)

                                 (414)355-5000
             (Registrant's Telephone Number, Including Area Code)

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

                                     None

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

                        Common Shares, $0.10 Par Value
                               (Title of Class)

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

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


     Approximate aggregate market value of the registrant's Common Shares held
by non-affiliates (based on the closing sales price of such stock as reported in
the NASDAQ National Market System) on July 1, 1998 was $323,029,409.00.

     As of July 1, 1998, the number of shares of Common Shares $0.10 par value,
outstanding was 17,928,798.
<PAGE>
 
                      DOCUMENTS INCORPORATED BY REFERENCE


       Document                                      Form 10-K Part
       --------                                      --------------

1.   Annual Report to Shareholders for fiscal year ended
     April 30, 1998                                              II

2.   Proxy Statement for Annual Meeting of Shareholders
     scheduled to be held on July 15, 1998                      III



_______________

*    Excludes, among other shares, 3,417,368 Common shares held by officers and
     directors at June 1, 1998.  Exclusion of such shares should not be
     construed to indicate that any such person possesses the power, direct or
     indirect, to direct or cause the direction of the management or policies of
     the registrant or that such person is controlled by or under common control
     with the registrant.
<PAGE>
 
                          FORWARD-LOOKING STATEMENTS
                          --------------------------

     In connection with the "safe harbor" provisions of the Private Securities
Litigation Reform Act of 1995, the Company wishes to caution readers that the
following important factors, among others, in some cases have affected, and in
the future could affect, the Company's actual results and could cause its actual
results to differ materially from those expressed in any forward-looking
statements made by, or on behalf of, the Company.



     Competition.  The Company encounters and expects to continue to encounter
     -----------                                                              
significant competition in the sale of its products and services.  The Company's
competitors include a number of large multinational corporations, some of which
may be able to adapt more quickly to new or emerging technologies and changes in
customer requirements, or to devote greater resources to the promotion and sale
of their products than the Company.  Competition could increase if new companies
enter the market or if existing competitors expand their product lines or
intensify efforts within existing product lines.  There can be no assurance that
the Company's current products, products under development, or ability to
develop new technologies will be sufficient to enable it to compete effectively.


     Risks Associated with International Operations.  International revenues
     ----------------------------------------------                         
account for a substantial portion of the Company's revenues, and the Company
intends to continue to expand its presence in international markets.
International revenues are subject to a number of risks, including the
following: fluctuations in exchange rates may affect product demand and
adversely affect the profitablity in U.S. dollars of products and services
provided by the Company in foreign markets where payment for the Company's
products and services is made in the local currency; agreements may be difficult
to enforce and receivables difficult to collect through a foreign country's
legal system; foreign customers may have longer payment cycles; foreign
countries may impose additional withholding taxes or otherwise tax the Company's
foreign income, impose tariffs, or adopt other restrictions on foreign trade;
U.S. export licenses may be difficult to obtain; and the protection of
intellectual property in foreign countries may be more difficult to enforce.
There can be no assurance that any of these factors will not have a material
adverse impact on the Company's business and results of operations.


     Rapid and Significant Technological Change and New Products. The markets
     -----------------------------------------------------------             
for the Company's products are characterized by rapid and significant
technological change, evolving industry standards

                                       3
<PAGE>
 
and frequent new product introductions and enhancements.  Many of the Company's
products and products under development are technologically innovative and
require significant planning, design, development, and testing at the
technological, product, and manufacturing-process levels.  These activities
require significant capital commitments and investment by the Company.  In
addition, products that are competitive in the Company's markets are
characterized by rapid and significant technological change due to industry
standards that may change on short notice and by the introduction of new
products and technologies that render existing products and technologies
uncompetitive or obsolete.  There can be no assurance that any of the products
currently being developed by the Company, or those to be developed in the
future, will be technologically feasible or accepted by the marketplace, that
any such development will be completed in any particular time frame, or that the
Company's products or proprietary technologies will not become uncompetitive or
obsolete.


     Government Regulation; No Assurance of Regulatory Approvals. Many of the
     -----------------------------------------------------------             
Company's products are subject to pre-marketing clearance or approval by the
U.S. Food and Drug Administration (FDA) and similar agencies in foreign
countries.  The use or sale of certain of the Company's products under
development may require approvals by other government agencies.  The process of
obtaining clearance and approval from the FDA and other government agencies is
time-consuming and expensive.  Furthermore, there can be no assurance that the
necessary clearances or approvals for the Company's products, services, and
products and services under development will be obtained on a timely basis, if
at all.

     FDA regulations also require continuing compliance with specific standards
in conjunction with the maintenance and marketing of products and services that
have been approved or cleared.  Failure to comply with applicable regulatory
requirements can result in, among other things, civil and criminal penalties,
suspension of approvals, recalls, or seizures of products, injunctions, and
criminal prosecutions.


     Risks Associated with Dependence on Capital Spending Policies and
     -----------------------------------------------------------------
Government Funding.  The Company's customers include hospitals, laboratories,
- ------------------                                                           
universities, health care providers, government agencies, and public and private
research institutions.  The capital spending of these entities can have a
significant effect on the demand for the Company's products.  Such spending is
based on a wide variety of factors, including the resources available to make
purchases, the spending priorities among various types of equipment, public
policy, and the effects of different economic cycles.  Any decrease in capital
spending by any of the customer groups that account for a significant portion of
the Company's

                                       4
<PAGE>
 
sales could have a material adverse effect on the Company's business and results
of operations.


     Effect of Laws.  Changes in the law or new interpretations of existing laws
     --------------                                                             
may have a significant effect on the definition of permissible or impermissible
activities, the relative costs associated with doing business and the amount of
reimbursement by both government and third party payers.  In addition, economic
forces, regulatory influences and political initiatives are subjecting the
health care industry to fundamental changes.  Health care reform proposals have
been formulated by the current administration and by members of Congress.
Federal, state and local government representatives are likely to continue to
review and assess alternative health care delivery systems and payment methods
and ongoing public debate of these issues can be expected. There can be no
assurance that any such efforts or reforms will not have an adverse affect on
the business, results of operations or financial condition of the Company.


     Potential Impact of Year 2000 on Processing of Date-Sensitive Information.
     -------------------------------------------------------------------------  
The Company is currently assessing the potential impact of the year 2000 on the
processing of date-sensitive information by the Company's computerized
information systems and on products sold as well as products purchased from key
suppliers by the Company.  The Company believes that its internal information
systems and current products are either year 2000 compliant or will be so prior
to the year 2000 without incurring material costs. There can be no assurance,
however, that the Company will not experience unexpected costs and delays in
achieving year 2000 compliance for its internal information systems and current
products, which could result in a material adverse effect on the Company's
future results of operations.

     The Company is presently assessing the effect that the year 2000 problem
may have on its previously sold products.  The Company has not completed its
analysis and is unable to conclude at this time whether the year 2000 problem as
it relates to its previously sold products is likely to have a material adverse
effect on the Company's future operations.



     ITEM 1.  BUSINESS


     OVERVIEW

     Marquette Medical Systems, Inc. (including its subsidiaries, the "Company"
or "Marquette") is a worldwide leader in the

                                       5
<PAGE>
 
development and manufacture of medical equipment and integrated systems for
patient monitoring and diagnostic cardiology applications.  Marquette also
develops clinical information systems, designed to be integrated with medical
equipment, consisting of hardware and software used by integrated health care
delivery networks and individual hospitals to electronically acquire, record,
store, analyze and distribute patient medical data.  The Company believes that
its ability to offer integrated clinical information systems and patient
monitoring and diagnostic cardiology equipment provides it with significant
competitive advantages over companies that market only equipment or clinical
information systems.  The Company has made a substantial commitment to research
and development and is well known for its technological innovation and quality,
dating back to 1965 when it introduced the first centralized ECG processing and
storage system.

          The following table shows certain information relating to the
Company's products (dollars in thousands):

<TABLE> 
<CAPTION> 
                              Year Ended April 30
- -----------------------------------------------------------------------------------------
                1996             1997                     1998
- -----------------------------------------------------------------------------------------
                           Percentage               Percentage                Percentage  
                 Net         of net        Net        of net         Net        of net
                Sales        Sales        Sales       Sales         Sales       Sales
                -----      ----------    -------    ----------     -------    ----------      
<S>             <C>        <C>           <C>        <C>            <C>        <C> 
Cardiology       124,413        29.9%    178,321          32.8%     182,621         31.6 
Group                                                                                    
                                                                                         
Monitoring       208,321        50.0%    260,953          48.0%     294,054         50.9 
Group                                                                                    
                                                                                         
Supplies          83,559        20.1%    104,042          19.1%     101,586         17.6%
and Service     --------------------     ---------------------      -------------------- 
                 416,293         100%    543,317           100%     578,260          100% 
                ====================     =====================      ====================
 </TABLE>

The Company's products are sold in more than 65 countries throughout the world,
with the U.S. and international markets accounting for approximately 64% and
36%, respectively, of net sales for Fiscal 1998. The Company's products are used
principally in critical and intensive care units, operating and recovery rooms,
step-down units, labor and delivery units, the cardiology department, the Cath
Lab and related areas of acute care hospitals.  In addition, Marquette products
increasingly are being used in smaller hospitals, medical clinics, outpatient
surgery centers, physician offices and the home.

          The Company estimates that the worldwide market for patient monitoring
systems is approximately $1.65 billion, of which approximately $850 million is
attributable to the U.S.  Marquette's patient monitoring systems continuously
acquire, analyze, store,

                                       6
<PAGE>
 
display and print patient physiological information, providing attending medical
personnel a means to continuously evaluate a patient's condition.  Patient
monitoring systems include bedside, telemetry, anesthetic and respiratory gas,
maternal/fetal, neonatal and home care and clinical information systems.  The
Company  believes it is one of the leading manufacturers of maternal/fetal,
bedside and telemetry monitoring systems.  The Company offers fully integrated,
networked,  open architecture clinical information systems that process
information obtained from patient monitors and various other sources, including
Marquette's and other companies' products, to create an interactive electronic
patient medical record.

          The Company estimates that the worldwide market for diagnostic
cardiology products is approximately $1 billion, of which approximately $430
million is attributable to the U.S.  Marquette's diagnostic cardiology products
are used to diagnose cardiac disorders through the detection, recording and
analysis of electrical signals and other information relating to the heart.
These include resting, exercise testing and Holter (ambulatory) ECG equipment,
cardiovascular information systems, cardiac defibrillators, cardiac
catheterization laboratory monitors, and photo image and digital image
processing equipment.  The Company believes it is one of the leading
manufacturers of cardiovascular information systems and cardiac catheterization
laboratory monitors.  The Company offers an open architecture cardiovascular
information system that accepts and stores data from electrocardiographs and
other diagnostic cardiology products to create a patient-specific cardiology
database for comparative and other purposes.  Addressing Market Needs Health
care providers are increasingly differentiating medical equipment vendors based
on their ability to provide clinical management and patient administration
systems that deliver better quality care at lower costs.  Marquette is
addressing these market needs with a total systems approach based on a
combination of its broad product lines, open architecture Unity Network and its
clinical process expertise.

     Marquette's Unity Network is an integrated system which enables a wide
range of patient monitoring, diagnostic cardiology and clinical information
systems to be interconnected and to interface with hospital information systems
maintained by its customers.  Reports can be generated that provide the data in
both clinical and administrative form to aid in improving the quality of care in
the most cost effective manner.  The Unity Network is designed to (i)
communicate patient information from bedside and telemetry monitors to central
nurses' stations, (ii) allow clinicians to view patient information from various
areas of the hospital or from remote locations via telephone lines and modems,
and (iii) electronically transfer patient information to care units, outpatient
facilities or physicians' offices.

     Marquette differentiates itself from other medical equipment vendors by
addressing market needs with a total solutions approach:

                                       7
<PAGE>
 
     First, Marquette offers its customers a broad product line and the ability
to equip and supply multiple areas along the continuum of care, thereby enabling
integrated health care delivery networks and hospitals to gain efficiencies
through standardization with a single vendor.

     Second, Marquette offers its customers the ability to construct an
information network infrastructure and clinical information systems to enhance
the utilization and clinical value of the Company's patient monitoring and
diagnostic cardiology products as well as other medical equipment vendors'
products to which the Unity Network can be interfaced.

     Third, Marquette provides its customers expertise in clinical problem
solving, systems integration and process improvement to customize the
configuration of the Company's products and systems to optimize clinical
applications for the customers' various care areas and patient management needs.


     BUSINESS STRATEGY

     The Company's objective is to be the premier provider of medical systems
for patient monitoring and diagnostic cardiology across the continuum of care.
The elements of the Company's strategy to achieve this objective are identified
below.

     Enter New Care Areas.  The Company seeks to capitalize on the shift from
critical care to subacute care, physician offices and home care through the
introduction of newly designed patient monitoring and diagnostic cardiology
products aimed specifically at these evolving care areas.  The Company believes
that there is a greater potential for growth in these care areas than in the
hospital market in which the Company's products have historically been sold.
The Company is developing new products that address the functional needs of
these lower acuity care areas based on the Company's technological expertise
developed in connection with its hospital products.

     Broaden and Enhance Existing Product Lines.  The Company is adding depth to
its product lines by introducing products at lower price points. The Company has
implemented this strategy by developing products internally, forming strategic
alliances and through acquisitions.  For example, as part of the E for M
acquisition, the Company obtained Hellige's development efforts relating to a
high performance, compact, portable, battery-powered, multiparameter patient
monitor.

     Continue Development of Clinical Information Systems.  The networking of
the Company's products through clinical information systems enhances the value
of the Company's products to customers and will continue to be a focus of the
Company's product development

                                       8
<PAGE>
 
efforts.  The Company believes that the development of expanded clinical
information systems capabilities is an important element of Marquette's
competitive advantage in the patient monitoring and diagnostic cardiology
markets.

     Penetration of International Markets.  International sales have decreased
from approximately 39% of net sales for the year ended April 30, 1997 ("Fiscal
1997") to approximately 36% of net sales for Fiscal 1998 primarily due to the
effects of the strengthening U.S. Dollar, which results in negative currency
conversions.  The Company will continue to seek greater penetration of the
European market, where the E for M acquisition has substantially broadened the
Company's distribution network. The Asia/Pacific market accounted for
approximately 6% of the Company's net sales for Fiscal 1998 and has been
identified by the Company as an area for potential growth.

     Increase Recurring Revenue Streams.  The Company is focused on increasing
its recurring revenue by actively developing the disposable supplies market for
the products it sells.  The Company seeks to continue to leverage its installed
based to further increase sales of supplies and services related to its
equipment.  Additionally, the Company seeks to leverage the brand-name
recognition generated through its equipment sales to increase sales of
technology-distinguished supplies related to a broad range of medical products
manufactured by the Company and others.

     Enhance Profit Margins.  The Company continually seeks to improve gross
margins by increasing capacity utilization at existing manufacturing facilities
and utilizing global purchasing contracts to reduce material and component
costs.  Additionally, the Company seeks to control operating costs such as
engineering and general and administrative expenses relative to sales growth in
order to increase operating margins.


     Patient Monitoring
     ------------------

     Marquette's patient monitoring systems continuously acquire, analyze,
store, display and print patient physiological information such as ECGs, pulse
rate, blood pressure, temperature, gas measurements, respiration rate and oxygen
saturation in the blood. This information provides attending medical personnel a
means to continuously evaluate a patient's condition.

     The Company estimates the worldwide market for patient monitoring is
approximately $1.65 billion, of which approximately $850 million is attributable
to the U.S.  Recent market growth has been driven principally by demographic
trends resulting in larger numbers of ill and elderly patients. Future market
growth is also expected to result from emerging monitoring demand in new care
areas which previously did not use or require monitoring.  As health care
providers seek to

                                       9
<PAGE>
 
reduce costs, significant portions of patient care are being delivered in lower
acuity care areas.  Many patients who in the past would have remained in the
intensive care unit and received care with a 1:1 patient-to-nurse ratio for
extended periods of time are being moved to lower acuity care areas with a 4:1
or 6:1 patient-to-nurse ratio in which portable monitors or telemetry is used.

     These areas, which include step-down and subacute areas of hospitals,
outpatient care facilities and home care, are expected to provide significant
growth opportunities.

     Marquette has leveraged its expertise in microprocessor design, advanced
circuit development and software programming to establish itself as a global
leader in physiological data acquisition and analysis.  The Company has well
known core competencies in ECG signal acquisition and analysis, pulse oximetry
monitoring, invasive and non-invasive blood pressure measurement, cardiac output
determination and respiratory gas analysis, and is actively involved in the
advancement of measurement techniques and algorithms in these areas.

     In May, 1994 the Company acquired Corometrics Medical Systems, Inc.
("Corometrics"), a designer and manufacturer of fetal and neonatal monitoring
systems, and one of the leading providers of clinical information systems for
labor and delivery applications.  The Corometrics acquisition allowed the
Company to expand its product offerings to the labor and delivery care area with
a well recognized trade name and an established market position.  The Company
believes that its Corometrics and Marquette brand names are widely recognized
for excellence and innovation in the patient monitoring sector.

     The following table provides information with respect to the Company's
principal patient monitoring systems:

                                      10
<PAGE>
 
<TABLE> 
<CAPTION> 
                              Approximate                                     Intro-
                              List             Principal                      duction     Care
Product Category              Price Range      Product                        Date        Areas
- ----------------              -----------      ---------                      --------    -----
<S>                           <C>              <C>                            <C>         <C>
Modular Bedside               $13,000-         Solar 8000                     1995        Intensive Care,            
Monitors                      $25,000          Solar 9500                     1998        Acute Care                 
                                                                                                                     
Configured Bedside            $ 6,500-         Eagle 3000                     1995        Intensive Care,            
Monitors                      $20,000          Eagle 4000                     1995        Acute Care, General        
                                               Eagle Dash 1000(Portable)      1996        Care, Portable and           
                                                                                          Transport                  
                                                                                                                     
Telemetry                     $ 6,500 per      CD - Telemetry LAN             1991        Ambulatory Care and        
Monitoring                    bed              System                         1995        Sub Acute Care             
Systems                                        APEX Transmitter                                                      
                                                                                                                     
Anesthetic and                $10,000-         RAMS Mass Spectrometer         1995        Intensive Care,            
Respiratory Gas               $60,000          SAM IR Anesthetic Agent        1995        Acute Care                 
Monitoring                                     Module                                                                
Equipment                                                                                                            
                                                                                                                     
Maternal/Fetal                $ 4,800-         Model 150/Antepartum           1992        Labor and Delivery         
Monitoring                    $18,000          Model 151/Intrapartum          1994                                   
Equipment                                      Model 118/Intrapartum          1994                                   
                                               Model 155/Antepartum           1996                                   
                                               Model 340 Telemetry            1996                                   
                                                /Intrapartum                                                         
                                               Model 120 Series               1997                                   
                                                                                                                     
Neonatal                      $ 8,000-         Eagle 4000N                    1993        Intensive Care             
Monitoring                    $20,000          Model 556 (color)              1994                                   
Equipment                                      Eagle 3000N                    1996                                   
                                               Solar 8000N                    1996                                   
                                                                                                                     
Home Care                     $ 1,500-         500E                           1986        Home Care                   
Monitoring                    $ 3,800          500EXL                         1995
Equipment                                      510/511                        1996
                                               Event-Link                     1996
</TABLE> 
 

                                       11
<PAGE>
 
<TABLE>
<S>                           <C>             <C>                   <C>        <C>
Clinical Information          $   40,000-      QS System            1996       All care areas
Systems                       $1,500,000
 
Portable/Transport            $    4,000-      Dash 1000            1997       Transport
Monitors                      $    9,000
 
Central Stations/             $   10,000-      PRISM Clinical       1998       Intensive Care,
Clinical                      $   60,000       Information Center              Ambulatory Care,
Workstations                                                                   Sub Acute Care
</TABLE>

          Modular Bedside Monitors are used to continuously acquire, analyze and
     monitor physiological information from critically ill patients located in
     intensive and critical care units and operating rooms. These devices use
     multiple software modules for separate physiological parameters to adjust
     the device configuration at the point of care to meet the monitoring needs
     and acuity of any particular patient.

          The Solar 8000, the Company's principal modular bedside monitor, has
     been designed for use in virtually any care setting --from low acuity areas
     through the most sophisticated patient care environments. It features a
     hardware platform which offers the user the flexibility to mix-and-match
     screen sizes, display types (CRT or flat-panel), and networks (standalone,
     hard-wired or wireless), and to choose among various features and
     capabilities, including acquisition and analysis of 12-lead ECGs, through
     the addition of software modules. A complete library of both single-
     parameter-modules and TRAM(R) multi-parameter modules allows for bedside
     device configuration at the point-of-care to meet any monitoring need or
     acuity of any particular patient.

          Marquette recently introduced the first in a new class of monitors
     that maximizes modular monitoring capabilities and options, the SOLAR 9500
     Information Monitor. The SOLAR 9500 Information Monitor is a powerful real-
     time, modular, vital signs monitor that combines the accuracy and
     reliability of a medical instrument with the information accessibility of a
     PC to create a system that simplifies access to, and management of, patient
     information. Using standard, non-proprietary network protocols and
     technologies developed for the worldwide web, the SOLAR 9500 will interface
     with other hospital record keeping systems and databases. It features a
     highly-customizable graphical user interface (GUI) that gives the user the
     freedom to design and "build" their own displays, placing information on
     screen in whatever configuration that specifically meets their ever-
     changing needs.

                                       12
<PAGE>
 
          Configured Bedside Monitors are very similar to modular bedside
     monitors in their continuous vital signs monitoring capabilities. However,
     configured monitors do not permit point-of-care configurability. In most
     cases, these devices are used to monitor patients in places other than the
     intensive care area such as, the emergency department, the general purpose
     operating room, post-anesthesia care/recovery units or where general
     purpose monitoring is needed.

          The Company offers the EAGLE 4000, EAGLE 3000 and EAGLE/DASH 1000
     configured bedside monitors.

          The EAGLE 4000 is the most advanced of these products and is capable
     of monitoring ECG with arrhythmia detection and alarm, respiration, non-
     invasive and invasive blood pressure, temperature, oxygen saturation (using
     the pulse oximetry), cardiac output and end tidal carbon dioxide levels in
     its most highly configured form. The device can be purchased with either a
     color TFT LCD or monochrome EL display. The EAGLE 4000 also accepts an
     optional software module that provides for the acquisition and analysis of
     12-lead ECGs. A battery operation and wireless LAN capabilities are
     available as options.

          The EAGLE 3000 is a lower priced instrument that offers fewer features
     and a slightly smaller display than the EAGLE 4000. During 1997, the EAGLE
     3000 expanded its capabilities by interfacing and integrating its SAM Smart
     Anesthesia Multi-gas analysis module into the device. Through this
     integration, patient information, vital signs values, data trends, alarms,
     waveforms and gas analysis information now appear in one place on a single
     display. The Company believes that this enhancement, together with the
     device's feature set and price point, should enable the EAGLE 3000 to
     further penetrate the configured bedside market segment.

          The DASH 1000, or EAGLE 1000 as it is labeled outside the U.S., is the
     first in a family of battery-powered portable monitors to be offered by the
     Company. The device is a low-cost device available in a variety of
     configurations and is especially well suited to compete in the cost-
     sensitive markets outside the U.S.

          In addition to bedside patient monitoring devices and systems, the
     Company also offers Telemetry Monitoring Systems. Telemetry Monitoring
     Systems continuously collect ECGs using small, battery-powered patient-worn
     devices that transmit collected data via VHF or UHF radio frequency to
     receiver units a central viewing station. Telemetry systems are designed
     for patients who require at minimum ECG monitoring, but who are not
     confined to their beds. In general, the patient populations requiring this
     type of monitoring would consist of suspect cardiac patients, patients
     recovering from a cardiac event, post surgical patients, or others in the
     diagnostic or recovery process. Telemetry monitoring systems

                                       13
<PAGE>
 
     represent an increasing share of the market for monitoring equipment
     because it allows patients to be ambulatory, which facilitates earlier
     discharge from the hospital.

          The Company competes in this category with its CD-Telemetry LAN System
     and Apex-S Telemetry Transmitter. The Apex-S is a true multi-lead
     transmitter capable of providing simultaneous multi-lead transmission and
     display of any of seven standard leads (I, II, III, V, a VR, a VL, a VF).
     In addition to multi-lead ECG transmission, the Apex-S also provides for
     multi-parameter telemetry transmission. The Apex-S transmitter compliments
     modular multi-parameter telemetry by interfacing to secondary pulse
     oximetry and non-invasive blood pressure devices.

          Centralized display of waveforms and other patient information
     telemetry devices and bedside monitors is accomplished using the Company's
     recently introduced PRISM Clinical Information Center (CIC). Using a
     standard PC-Intel Pentium platform and Microsoft(R) Windows NT, the device
     is capable of displaying information from 16 patients simultaneously. The
     hardware platform provides the user the flexibility to mix-and-match screen
     sizes and display types (CRT or flat-panel). The use of the Windows control
     and display interface allows the user to access additional patient
     information instantaneously.

          Anesthetic and Respiratory Gas Monitoring Equipment are used in tandem
     with the Company's other vital sign monitors and diagnostic products for
     cardiopulmonary monitoring in anesthesia, post-operative recovery, critical
     care and pulmonary function laboratories. Gas monitoring products are used
     to verify the accuracy of anesthetic gas vaporizers and delivery systems
     before, during and after surgery, and measure pulmonary functions such as
     oxygenation and ventilation. Gas monitors also detect potentially life-
     threatening conditions such as hyperventilation (excessive pulmonary gas
     exchange), hypoventilation (inadequate pulmonary gas exchange), pulmonary
     air embolus (air bubbles in the pulmonary blood stream), and equipment
     malfunction during surgery.

          The Company offers products using two methodologies for multiple gas
     detection and analysis: mass spectrometry and infrared spectroscopy. The
     Company's mass spectrometry product, the RAMS, provides a comprehensive
     analysis of gases administered/monitored during surgery. The Company's
     infrared spectroscopy product, consisting of the SAM IR Anesthetic Agent
     Modules, allows for cost-effective intraoperative monitoring of anesthetic
     agents, carbon dioxide, and oxygen.

          Maternal/Fetal Monitoring Equipment provides electronic monitoring of
     the fetal heart rate and uterine activity as well as maternal parameters
     such as ECG, non-invasive blood pressure and pulse oximetry. The Company
     offers a broad line of Corometrics

                                       14
<PAGE>
 
     brand perinatal products used in hospitals, physician offices and other
     clinical settings for care of mother and child during pregnancy
     (antepartum) and delivery (intrapartum).

          The antepartum monitors, Models 145, 150 and 155 offer a full range of
     non-invasive fetal surveillance throughout high risk pregnancies. The
     ability to offer dual ultrasound heart rate for twin monitoring, external
     uterine contraction monitoring and electronic fetal movement detection
     allows flexibility in assessing fetal well-being during pregnancy.

          The intrapartum monitors, Models 151, 118 and 340 Telemetry allow for
     both non-invasive and invasive fetal ECG monitoring and uterine
     contractions. In addition, the Model 118 was the first product to combine
     fetal monitoring with maternal vital signs, non-invasive blood pressure and
     oxygen saturation. This combined maternal/fetal monitor allows assessment
     of the maternal and fetal response to labor events which may affect the
     intrauterine environment, including anesthesia, induction of labor and
     recovery of the mother. The Model 118 is ideally suited to the new concept
     in obstetrical care of providing labor, delivery, recovery and postpartum
     (LDRP) in one room. The Model 120 series expands the capability of the
     Model 118 and provides a display of maternal ECG waveforms. This feature
     allows the clinician advanced monitoring capability. The Model 340
     Telemetry system allows ambulatory patients to be monitored during labor.

          Neonatal Monitoring Equipment provides continuous monitoring of
     neonates and allows clinicians to record, analyze and react to a neonate's
     changing conditions. The Company's neonatal product line meets the
     monitoring requirements of the less critical to the most critically ill
     neonate. These monitors are capable of displaying multiple measurements
     such as ECG, respiration, invasive pressures, temperatures, pulse oximetry
     and non-invasive blood pressure. Using the Eagle and Solar monitoring
     platforms, the Corometrics brand products have added neonatal features such
     as superior respiration detection algorithms and trending, thereby
     customizing these monitors to the needs of the neonate in the neonatal
     intensive care unit. In addition, the more compact and cost effective Model
     556 monitor is designed for lower acuity nurseries.

          Home Care Monitoring Equipment incorporates the technological advances
     of the Corometrics brand hospital based monitors with the simplicity that
     home use requires. Corometrics introduced the first battery backup and
     internal memory apnea monitor in the 1980s. In 1995, the Model 510/511
     became the first apnea monitor with integrated pulse oximetry cleared by
     the FDA for use in the home, and the Company believes the Model 510/511
     remains the only monitor of its kind on the market today. The 500 series of
     apnea products and Event-Link software allows home care clinicians to

                                       15
<PAGE>
 
     collect, store and analyze monitoring data to provide objective
     documentation of alarm cause and effect, allowing more cost efficient care
     of the patient in the home.

          Clinical Information Systems integrate and store data coming from
     multiple patient care areas. The data can be charted, reviewed and
     presented in hospital selected formats that provide clinicians with a
     comprehensive overview of patient status. Reports can then be generated
     that provide the data in both clinical and administrative form to aid in
     improving the quality of care in the most effective manner.

          The Company's product platform, the QS System, is designed to
     integrate data from all care areas, including labor and delivery, the
     neonatal intensive care unit, general floor, intensive care unit, critical
     care unit, operating room and perioperative unit. Interfaces also exist for
     most lab and hospital information systems as well as for all Company
     patient monitoring systems and the patient monitoring products of other
     companies. Integrated clinical applications can include remote site access
     that enables satellite hospitals, clinics and physicians to be linked to
     the centrally-located system. The QS System can be customized to meet the
     most basic entry level requirements to the most complex whole hospital
     solutions involving wide area networks. The Company believes that one of
     the primary advantages of the QS System is its ability to interconnect and
     interface with hospital information systems through the Unity Network.

          DIAGNOSTIC CARDIOLOGY

          Marquette's diagnostic cardiology products are used to diagnose
     cardiac disorders through the detection, recording and analysis of
     electrical signals and other information relating to the heart. Coronary
     artery disease is the leading cause of death of adult Americans today, and
     accounts for over 20 percent of the national health care budget.

          The Company estimates the worldwide market in which it participates
     for diagnostic cardiology products is approximately $1 billion, of which
     approximately $430 million is attributable to the U.S. An aging population,
     the increasing trend towards preventative rather than corrective medicine
     and a general preference for less invasive procedures are the factors
     expected to generate increased demand for the Company's diagnostic
     cardiology products.

          Marquette believes its cardiovascular information solution, the MUSE
     CV/TM/ information system, is one of the leading products used to store,
     manage, process and deliver an entire cardiology patient file. The system
     delivers advances in clinical decisions, process efficiency and information
     access through hospital

                                       16
<PAGE>
 
     information system interfaces, network connectivity, internet technology,
     and health care protocol standards.

          In January 1996, the Company acquired E for M Corporation ("E for M").
     Through the acquisition, Marquette added new cardiac imaging capabilities,
     broadened its diagnostic cardiology product line and expanded its customer
     base for cardiology systems. E for M's product lines also include high
     quality cineangiography film and digital imaging products. Also, the E for
     M acquisition, which included all of the stock in Hellige GmbH ("Hellige"),
     added European manufacturing, marketing and distribution facilities. The
     acquisition of E for M allowed the Company's MUSE CV cardiovascular
     information system to expand its functionality into image and
     electrophysiology management. Management believes Marquette has the only
     complete Cath Lab solution providing electrophysiology and hemodynamic
     monitoring, digital imaging and cardiology patient information management.

          The following table provides information with respect to the Company's
     principal diagnostic cardiology products:

<TABLE>
<CAPTION>
                        Approximate                                   Intro-
                        List              Principal                   duction        Care
Product Category        Price Range       Products                    Date           Area
- ----------------        -----------       ---------                   --------       -----
<S>                     <C>               <C>                         <C>            <C>
Resting ECG             $    1,800-       Mac PC                      1985           Intensive Care,
Equipment               $   15,000        Mac 6                       1989           Acute Care,
                                          Mac VU                      1991           General Purpose,
                                          Mac 8                       1993           Emergency Care,
                                          CardioSmart                 1994           Sub Acute
                                          MicroSmart                  1996     
                                          QT Guard                    1998           Research Applications
                                                                               
Exercise Testing        $    4,000-       MAX 1                       1989           General Purpose,
ECG Systems             $   23,000        CASE 16                     1994           Sub Acute
                                          MAX Personal                1995     
                                          CardioSys XT                1996     
                                          CardioSmart ST              1997     
                                                                               
Holter (Ambulatory)     $   21,000-       CENTRA                      1989           Ambulatory Care,
ECG Equipment           $   60,000        SXP                         1991           Home Care
                                          Memoport                    1995    
                                          MARS                        1996
</TABLE> 

                                       17
<PAGE>
 
<TABLE> 
<CAPTION> 
<S>                     <C>               <C>                         <C>            <C> 
Cardiovascular          $   30,000-       MUSE CV                     1996           Intensive Care,
Information             $1,000,000                                                   Acute Care,
Systems                                                                              General Purpose,
                                                                                     Emergency Care, 
                                                                                     Sub Acute Care   
                                   
Cardiac                 $    2,000-       Marquette Responder 1000    1998           Intensive Care,
Defibrillators          $   14,500        Marquette Responder 1100    1998           Acute Care,
                                                                                     GeneralPurpose,
                                          CardioServ                  1993           Emergency Care,
                                          Marquette Responder 3000    1998           Portable and
                                                                                     Transport,
                                                                                     Sub Acute Care
                                                                           
Cardiac                 $   90,000-       MacLab                      1990           Intensive Care
Catheterization         $  125,000        E for M 6000                1996           Cardiac Cath Lab
Equipment               $  160,000        E for M 8000                1996 
                                                                           
Photo Image and         $  100,000-       AccuVision Series           1995           Cardiac Cath Lab
Digital Image           $  125,000
Processing
Equipment
</TABLE> 

          Resting ECG Equipment is designed to record an ECG of a patient who is
     at rest, and are generally mounted on a wheeled cart for movement to the
     patient's bedside or elsewhere as needed. The Company's electrocardiographs
     permit as many as 14 lead wires to be attached to patients, maximizing the
     amount of data that can be acquired.

          The Company's extensive line of resting electrocardiographs is
     designed for use across the spectrum of care areas, including acute care
     hospitals, outpatient surgery centers, ambulances and physicians' offices.

          The Company's resting electrocardiographs perform immediate analysis
     of ECGs, store ECGs for further analysis and can communicate ECGs
     electronically to other electrocardiographs or other equipment, including
     cardiovascular information systems, for storage and comparison.

          Exercise Testing ECG Systems are used to diagnose cardiac disease and
     assess its severity by stressing the heart through physical exercise to
     elevate its blood flow requirement. While this stress exists, any
     significant obstruction in the coronary

                                       18
<PAGE>
 
     arteries limits the flow of blood and results in cardiac dysfunction, which
     can be detected by a physician using electrocardiography. The Company's
     exercise testing ECG systems are predominantly used in physician offices
     and hospitals. The Company's CardioSys/TM/ system is capable of
     communicating ECGs electronically to other electrocardiographs or other
     equipment, including cardiovascular information systems, for storage and
     comparison.

          Holter (Ambulatory) ECG Equipment is designed to provide ECG
     information from an ambulatory patient who experiences intermittent
     symptoms such as palpitations, angina or loss of consciousness through a
     small recording device over the course of an extended period (usually 24
     hours), in or out of the hospital. The Company has recently introduced MARS
     (Multiparameter Analysis Review Station), a new generation of Holter
     (ambulatory) ECG equipment. It combines the ability to analyze signals
     acquired from the Company's line of intensive care or telemetry monitors
     with those of a traditional Holter monitor, thus reducing the length of
     stay for many patients who might otherwise be delayed in the hospital
     waiting for tests to be performed or interpreted.

          Cardiovascular Information Systems are designed to accept data from
     outlying electrocardiographs via telephone line, diskette or direct
     connection, store hundreds of thousands of ECGs and quickly retrieve them
     for comparison with ECGs currently being reviewed.

          The Company's latest cardiovascular information system, the MUSE
     CV/TM/, is an open architecture system designed for hospitals. In addition
     to storing, analyzing and retrieving ECGs taken at rest, MUSE CV provides
     similar capability for Holter ECGs, exercise testing ECGs, and other
     testing procedures and integrates all of the Company's diagnostic
     cardiology products together through networking and computer processing,
     creating a complete cardiology patient file. MUSE CV also provides an
     interface to the hospital's information system. MUSE CV can generate
     billing, activity and results reports which can assist a hospital or other
     user in cost control and decrease of both unbilled and inaccurately billed
     tests.

          Many MUSE CV systems serve more than one hospital, with outlying
     hospitals employing workstations connected to the central MUSE CV by
     telephone lines, permitting cardiologists at the central hospital to assist
     in treating large numbers of patients in wide geographical areas.

          Cardiac Defibrillators are designed to restart the heart of victims of
     sudden cardiac arrest, a severe form of heart attack. Cardiac arrest is
     among the leading causes of death in the U.S. The highest incidence of
     cardiac arrest occurs outside the hospital. The Company markets a number of
     defibrillator models for

                                       19
<PAGE>
 
     pre-hospital and hospital use. The Company's hospital line of
     defibrillators can be used in all care areas, including the exercise
     testing lab, patient transport and the emergency department.

          Cardiac Catheterization Equipment is used in various cardiovascular
     procedures performed in the Cath Lab and the EP Lab. In vascular or
     "hemodynamic" studies, the catheter, with attached physiological sensors,
     is used to measure temperature and blood pressure in various parts of the
     heart and the surrounding circulatory system, as well as determining the
     volume of blood being pumped by the heart. Electrophysiology studies are
     performed to evaluate the process of the conduction of electricity through
     the heart as the heart contracts and to diagnose the mechanisms of abnormal
     heart rhythm. The Company's E for M System 8000 is the only system that
     combines complete electrophysiology and hemodynamics into one workstation,
     maximizing the utilization of the workstation. The system is specially
     configured to assist cardiologists with fast, accurate collection and
     analysis of physiological data.

          Photo Image and Digital Image Processing Equipment is used to view the
     performance and function of a patient's coronary vasculature to assist in
     the detection, diagnosis, treatment and prevention of cardiac diseases and
     injuries, particularly in connection with cardiac catheterization and
     echocardiography. The Company's photographic and digital imaging systems
     allow the capture, storage and review of these images. The Company's
     photographic systems utilize a variety of 35mm high grade films produced
     under the Company's label by third-party manufacturers and offer a number
     of different processing chemistries. The Company's digital image processing
     systems capture analog images from X-ray, and convert them to digital
     images. These systems then manage the digitized images so they can be
     enhanced, quantified, reviewed in real-time, transmitted over networks
     and/or archived on CD-R media. The Company does not manufacture or sell the
     X-ray or other imaging source associated with this process.

          SUPPLIES AND DISPOSABLES

          The Company manufactures, markets and distributes a broad spectrum of
     disposable supplies and disposables used primarily in conjunction with the
     Company's large installed base of patient monitoring systems and diagnostic
     cardiology products. These products include ECG and other recording paper,
     monitoring and diagnostic electrodes, patient belts and straps, disposable
     and reusable blood pressure cuffs, disposable water traps, temperature
     probes, pulse oximetry probes and ambulatory ECG/telemetry hookup kits. In
     addition, the Company utilizes its product expertise and manufacturing
     capacity to produce private label products for third parties.

                                       20
<PAGE>
 
     The Company seeks to continue to leverage its installed base to further
increase sales of supplies and services related to its equipment.

     Additionally, the Company seeks to leverage the brand-name recognition
generated through its equipment sales to increase sales of technology-
distinguished supplies related to a broad range of medical products manufactured
by the Company and others.  To implement this strategy the Company recently
created supplies and disposable products as a separate division of the Company
and devoted additional management resources to the division.


     CUSTOMER SERVICE

     The Company's service operations are responsible for equipment installation
at customers' sites and for the fulfillment of the Company's warranty and
maintenance commitments.  Most equipment sold by the Company is fully warranted
for all parts and labor for one year or on a 90 days labor, 3 years parts basis.
The Company offers a variety of post-warranty service agreements permitting
customers to contract for the level of equipment maintenance and repair they
require.

     In addition to warranty and post-warranty maintenance service, the Company
performs circuit board and modular component repairs on a 48-hour return basis,
and manufactures and markets replacement parts to the Company's dealers and
equipment users.  The Company offers repair and maintenance training classes
throughout the year for customers and dealers.  In addition, the Company
supports customers, dealers and the Company's field personnel by providing
telephone assistance on service problems.

     The Company has a national network of approximately 179 service technicians
and 5 project managers located throughout the U.S., and approximately 125
service technicians located in Europe. At its operations in Germany, the Company
operates a parts and support center for European service.  In some foreign
countries, if direct Company field engineers and technicians are not
conveniently located, employees of local dealers provide warranty and field
maintenance service.


     RESEARCH AND DEVELOPMENT

     Marquette has made a substantial commitment to product research and
development throughout its history and has introduced major new products in each
of its product lines during the past three years.  The Company expended $37.3
million, $48.1 million and $52.6 million on research and development, which
represented approximately 9.0%, 8.9% and 9.1% of net sales for the fiscal years

                                       21
<PAGE>
 
ending April 30, 1996, 1997, and 1998, respectively.  Marquette has leveraged
its expertise in microprocessor design, advanced circuit development and
software programming to establish itself as a global leader in physiological
data acquisition and analysis.

     The Company has well-known core competencies in ECG signal acquisition and
analysis, pulse oximetry monitoring, invasive and non-invasive blood pressure
measurement, cardiac output determination and respiratory gas analysis, and is
actively involved in the advancement of measurement techniques and algorithms
associated with each area.  The Company's primary product development efforts
are carried out at the division level. In addition, the Company maintains a
17,000 square foot dedicated Research and Development Center approximately one
mile from its corporate offices in Milwaukee, Wisconsin.

     The Company's research and development strategy is to improve and expand
its product line through innovative engineering and to create diagnostic and
monitoring technologies that address problems brought to its attention by
contacts in the medical community, particularly those technologies which improve
quality of care and reduce costs.  For example, Marquette's telemetry products
improve the quality of care by tracking ambulatory patients and alerting the
nurse at the central control station if the patient has an event.  Additionally,
the Solar 8000 modular bedside monitor was recently redesigned to reduce
production costs by reducing the number of circuit boards from three to one and
by utilizing an off-the-shelf display.  In addition, the Company seeks to be
first to market with new products, to enter new markets and to respond to market
trends.

     The Company's product engineers work closely with the Company's sales force
and customers to modify and improve current products.  In addition, these
engineers assist with the integration of components or technologies across
several Company product lines to enhance product competitiveness.

     SALES, DISTRIBUTION AND MARKETING

     The Company's products are used principally in the critical and intensive
care units, operating and recovery rooms, step-down units and related areas of
acute care hospitals, particularly those institutions specializing in the
diagnosis and treatment of heart disease, together with labor and delivery
units.  Marquette products increasingly are also being used in medical clinics,
outpatient surgery centers, physician offices and the home.

     The U.S. has been the principal geographic market for the Company's
products.  Over the past ten years, the Company has sought to develop its
international market standing. International sales decreased from approximately
39% in fiscal 1997 to

                                       22
<PAGE>
 
approximately 36% in fiscal 1998, such decrease being principally attributable
to the effects of the strengthening U.S. Dollar.

     The Company has a direct sales force in the U.S. of approximately 277 sales
representatives, clinical specialists, and managers, as well as 7 national
account managers.  In addition, the Company has approximately 120 and 10 direct
sales employees in Europe and Australia, respectively, as well as numerous
dealers in both markets.  The remaining international markets, primarily Japan,
China, Southeast Asia, India, Latin America and Canada, are served by
distributorship arrangements under which a local dealer buys products from the
Company at a discount for resale within its own territory.

     Because most Company products are highly technical requiring extensive
training in their application and operation, the Company's sales organization is
organized along divisional product lines, including technical support groups
which consist primarily of nurses, biomedical engineers and clinicians.  In
addition, the Company believes its reputation in diagnostic cardiology enables
it to obtain an entry to patient monitoring systems sales.  The Company has also
designated certain senior sales personnel to act as "Unity Team Managers" to
coordinate multiple product line sales to the same customer.  The Company
maintains demonstration equipment so that sales personnel can make on-site
clinical demonstrations for equipment sales.  The Company offers technical
seminars and training sessions on a worldwide basis, and furnishes instruction
manuals, maintenance manuals, operator guides, application information and
software in foreign languages, as required.

     In recent years, many hospitals have joined buying groups or have been
acquired by large hospital chains permitting them to negotiate with suppliers of
hospital equipment to obtain more favorable pricing on large quantity purchases.
In addition, some large hospitals, chains and buying groups prefer to negotiate
with a limited number of vendors who can provide a broad range of products used
by the hospital or group.

     While the Company believes that the existence of these groups will present
a marketing opportunity for the Company, there can be no assurance that the
Company will be able to negotiate purchasing arrangements with all of these
groups or on terms that are favorable to the Company.  The Company currently has
purchasing arrangements in place with many national and regional hospital
systems, including Columbia/HCA Healthcare Corporation, Tenet Healthcare, Inc.,
and many purchasing groups, including MAGNET, AmeriNet, and CMMA (Catholic
Materials Management Alliance), as well as with various subdivisions of the
federal government.

                                       23
<PAGE>
 
     The Company has an arrangement with a third party leasing company which
provides customer financing.  Under this arrangement, the Company is paid in
full for its products, and the leasing company assumes credit risks.  The
Company also directly provides lease financing in certain circumstances and
equipment rentals.

     The Company also offers a Managed Use Program, permitting hospitals to make
payments to the Company based upon the frequency of use of equipment by the
hospital.  Under the Managed Use Program, the Company has the right to increase
or reduce the number of equipment units deployed at the hospital to correlate
with the degree of use of the units at the hospital.

     The Company believes that the program is being well received by the market
and will further facilitate distribution of the Company's products by permitting
hospitals to better correlate their equipment to their needs.

     The Company markets and distributes its supplies in the U.S. through an in-
house telemarketing group, its national direct sales force and a number of
dealers.  The Company distributes its supplies outside of the U.S. through its
direct sales force in Europe, its Australian subsidiary and through independent
dealers.


     MANUFACTURING

     Marquette internally controls all critical manufacturing processes,
including state-of-the-art circuit board assembly and thick film hybrid and
multichip module assembly, utilizing advanced assembly and subassembly burn-in
systems.  The Company partners with major suppliers by locating supplier
inventories on Marquette premises, thereby reducing Company inventory costs and
improving access to technical components.

     The Company believes that its facilities are modern, well maintained and
adequate for its present needs.  (See Item 2-Properties).


     COMPETITION

     The markets for the Company's products have historically been highly
competitive.  The consolidation of health care providers in the U.S. and the
national effort to curtail increases in medical care costs have increased the
level of competition.  Although the Company competes directly with other
providers of medical equipment, no one company or group of companies competes
with the Company across its full line of products.  The Company's primary
competitors in patient information monitoring include Hewlett-Packard
Corporation, Siemens Medical Systems, Inc.,

                                       24
<PAGE>
 
SpaceLabs Medical, Inc. and Datex Company, and in diagnostic cardiology include
Hewlett-Packard Corporation, Schiller AG and Quinton Instrument Company, a
subsidiary of American Home Products Corporation.  Certain of these competitors
are larger and have greater financial and marketing resources than Marquette.
The principal competitive factors that differentiate one manufacturer from
another in the market are a manufacturer's reputation for producing accurate,
reliable and technically advanced products, product features, product line
breadth, price, expected medical cost savings and effectiveness of sales and
marketing efforts.

     The Company believes that it has a reputation for technological leadership
and product reliability, which, with its working relationship with physicians at
teaching and research hospitals as well as the breadth of its product line, have
provided it with a strong competitive position.

     The Company's competitive position is strongest with respect to its
cardiology product line and fetal and neonatal monitoring products, where the
Company has been selling its products for the longest period of time, has the
greatest name recognition and competes primarily on the basis of product
features and technological advances.


     GOVERNMENT REGULATION

     The medical devices manufactured and marketed by the Company are subject to
extensive and rigorous regulation by the FDA and, in many instances, by state
and foreign governments.  Under the FDC Act, the FDA regulates, among other
things, the testing, manufacturing, labeling, distribution and promotion of
medical devices in the U.S.  To facilitate compliance with the FDC Act and
regulations promulgated thereunder, the Company, from time to time, may
institute voluntary compliance actions such as product recalls when it believes
it advisable to do so.  The failure of the Company to comply with FDA
requirements could result in warning letters, injunctions, civil penalties,
mandatory recall or seizure of products, total or partial suspension of
production, the government's refusal to grant, or withdrawal of, marketing
authorizations, and criminal prosecution.

     In general, before a new medical device may be marketed in the U.S., the
manufacturer must obtain marketing authorization from the FDA through either
clearance of a pre-market notification submission (a "510(k) submission") or
approval of a pre-market approval application.  In addition, changes to a
medical device that significantly affect the safety or efficacy of a marketed
device are subject to FDA review and clearance or approval.

                                       25
<PAGE>
 
     The Company's products have not generally been subject to the comprehensive
pre-market approval requirements, but are generally subject to pre-market
notification requirements.  The FDA may grant marketing clearance of a new
medical device pursuant to a 510(k) submission if it determines that the device
is substantially equivalent to a predicate device that did not require pre-
market approval.  A 510(k) submission must be supported by information
demonstrating substantial equivalence.  The FDA recently has been requiring more
rigorous demonstration of substantial equivalence than in the past, including
the submission of clinical data in some cases.  It generally takes from four to
12 months from submission to obtain clearance of a 510(k) submission, but it may
take longer. The FDA has no specific time limit by which it must respond to a
pre-market notification submission.

     As a manufacturer of medical devices, the Company is also subject to
certain other FDA regulations, including compliance with current good marketing
practices ("GMPs") and similar regulations in other countries, which include
testing, control and documentation requirements, and medical device reporting
requirements.  The FDA recently revised its medical device GMP regulation, and
the new regulation, which goes into effect later this year, permit the FDA to
regulate the design as well as manufacture of medical devices and make a number
of other significant changes in regulatory requirements.  Ongoing compliance
with GMP and other applicable regulatory requirements is monitored through
periodic inspections by federal and state agencies, including the FDA, and by
comparable agencies in other countries.

     Federal, state and foreign regulations regarding the development,
manufacture and sale of medical devices are subject to change.  The Company
cannot predict what impact, if any, such changes might have on its business.
The Company also seeks, where appropriate, to comply with safety standards of
Underwriters Laboratories, the Canadian Standards Association, the European
Economic Community and other countries in which it markets products.

     The Company's products are used by health care providers for diagnostic
testing services and other services for which the providers may seek
reimbursement under the federal Medicare and Medicaid programs or from other
governmental and private payers. Such reimbursement is subject to federal
regulations and policies and regulations of other payers.  For example, the
Medicare program, which reimburses hospitals and physicians for services
provided to a significant percentage of hospital patients, places certain
limitations on the methods and levels of reimbursement of hospitals for
procedure costs and for capital expenditures made to purchase equipment such as
that sold by the Company.  The Medicare program also limits the level of
reimbursement to physicians for diagnostic tests and recently has instituted
changes that may

                                       26
<PAGE>
 
further limit the amount of such reimbursement of both facilities and physicians
for services provided in connection with diagnostic and clinical procedures.
Federal and state regulations regarding the amount and manner of reimbursement
are subject to change. National health remains a priority item on its
legislative agenda and there are a number of bills presently being considered in
both Houses of Congress.  The Company is unable to predict the impact, if any,
that such change or legislation might have on its business.

     In addition to laws and regulations enforced by the FDA, the Company is
also subject to regulation under the Occupational Safety and Health Act, the
Environmental Protection Act, the Resource Conservation and Recovery Act and
other present and potential future federal, state and local regulations.


     PRODUCT LIABILITY AND INSURANCE

     The use of the Company's products in the delivery of medical services
involves the possibility of adverse effects that could expose the Company to
product liability claims.  A recent U.S. Supreme Court decision held that
product liability may exist despite FDA approval and future court decisions may
also increase the Company's risk of product liability.  The Company is involved
in various legal proceedings, including product liability suits of a nature
considered normal to its business.  The Company's products are used by health
care providers in connection with the treatment of patients, who will, on
occasion, sustain injury or die as a result of their condition or medical
treatment.  If a lawsuit is filed because of that occurrence, the Company, along
with physicians and nurses, hospitals and other medical suppliers, may be named
as a defendant, and whether or not the Company is ultimately determined to be
liable, the Company may incur significant legal expenses.  In addition, such
litigation could damage the Company's reputation and therefore impair its
ability to market its products, and impair its ability to obtain product
liability insurance or cause the premiums for such insurance to increase.  The
Company carries product liability insurance coverage under several policies with
an aggregate loss coverage which the Company believes is sufficient.

     However, in the future the Company may be unable to obtain adequate product
liability coverage on acceptable terms, if at all. A successful product
liability claim or series of claims brought against the Company that are not
covered by insurance or exceed policy limits could have a material adverse
effect on the Company's business, financial condition and  results of
operations.


     EMPLOYEES

                                       27
<PAGE>
 
     At April 30, 1998, the Company had approximately 2,371 employees in the
U.S. and approximately 754 employees outside the U.S., including approximately
832 employees engaged primarily in sales, approximately 959 employees engaged
primarily in manufacturing, approximately 540 employees engaged primarily in
research and product development and approximately 595 employees primarily
engaged in service.  Management considers employee relations to be excellent.

     The Company believes that high levels of employee support and participation
significantly contribute to the Company's business success. Therefore, the
Company has implemented various employee benefit programs and work-related
policies.  Employees are permitted to personalize their work areas and determine
their own flexible work schedules.  The Company also provides many of its
employees with day care facilities, exercise facilities, and a tuition
reimbursement program.  It also encourages direct and individual ownership by
employees of Common Stock through its 401(k)- Profit Sharing Plan and grants of
stock options.


                      EXECUTIVE OFFICERS OF THE REGISTRANT

     Set forth below is information regarding executive officers who are not
also directors.


<TABLE>
<CAPTION>
        Name                  Age          Position with the Company
        ----                  ---          -------------------------
<S>                           <C>          <C>
Mary M. Kabacinski            48           Senior Vice President,
                                           Chief Financial Officer    
                                           and Treasurer
                                          
Steven G. Books               48           Senior Vice President
                                          
Gerald J. Lentz               51           Senior Vice
                                           President-Service
                                          
Gary Close                    46           Senior Vice President-
                                           Monitoring
                                          
P. Michael Breedlove          54           Vice President-Business
                                           Development-Imaging 
                                          
Louis P. Scafuri              46           Chief Operating
                                           Officer, President-
                                           Cardiology Group
                                           Diagnostics
</TABLE> 
 

                                       28
<PAGE>

<TABLE> 
<S>                            <C>         <C> 
Mark R. Tauscher               46          Senior Vice President-
                                           Supplies

Kevin Lindsey                  41          Vice President and
                                           Comptroller
</TABLE> 

     Mary M. Kabacinski became a Senior Vice President of the Company in August,
1996, Vice President and Chief Financial Officer of the Company in July, 1991
and Treasurer of the Company in 1989. Prior to her employment with the Company,
Mrs. Kabacinski was a tax manager at Arthur Andersen LLP.

     Steven G. Books became a Senior Vice President of the Company in February,
1998.  Mr. Books was Division President-Cardiology from May, 1996 to February,
1998.  Mr. Books was Vice President-Cardiology Division from June, 1994 to May,
1996 and a manager in the Company's manufacturing and engineering departments
from 1982 to June, 1994.

     Gerald J. Lentz became Senior Vice President-Service in February, 1998.
Mr. Lentz was Division President-Service from May, 1996 to February, 1998.  Mr.
Lentz was a Product Manager from June, 1994 to May, 1996 and National Service
Manager from February, 1977 to June, 1994.

     P. Michael Breedlove became Vice President-Business Development-Imaging in
May, 1998.  Mr. Breedlove was Division President-E for M Imaging Services from
May, 1996 until February, 1998 when he was named Senior Vice President-
Cardiology.  Mr. Breedlove was Division President-E For M Imaging Services from
May, 1996 to February, 1998, Vice President-Field Operations for E For M from
October, 1995 to May, 1996, and a Vice President of Cerner Corporation from 1993
until October, 1995 and Managing Director of Cerner Corporation PTY LTD from
1991 until 1993.  Mr. Breedlove was Vice President-Sales and Marketing of Cerner
Corporation from 1984 to 1991.

     Louis P. Scafuri became Chief Operating Officer and President-Cardiology
Group in February, 1998 and was Division President-Corometrics Medical Systems,
from May, 1996 to February, 1998.  Mr. Scafuri has also been President of
Corometrics since September, 1995.  Mr. Scafuri was a Vice President of Aspect
Medical Systems, Inc. from September, 1992 to August, 1995.  Mr. Scafuri was
Director of Sales, Western Hemisphere, for the Company from May, 1991 to
September, 1992 and held various field sales management positions throughout the
Company prior to May, 1991.

     Mark R. Tauscher became Senior Vice President-Supplies in February, 1998.
Mr. Tauscher was Division President-Supplies from

                                       29
<PAGE>
 
November, 1996 to February, 1998.  Mr. Tauscher was General Manager of Medical
Supplies for Hewlett Packard Corporation from 1994 to November, 1996.  Prior to
joining the Company, Mr. Tauscher was employed at Hewlett Packard for 21 years,
where he also held the positions of Director of National Accounts and Marketing
Manager for medical customer service.

     Kevin Lindsey became Comptroller of the Company in 1985 and a Vice
President of the Company in August, 1997.  From 1982 until 1985, Mr. Lindsey
served as Tax Manager of the Company.

     Gary Close became Senior Vice President-Monitoring of the Company in May,
1998.  Mr. Close was Vice President of Marketing-Monitoring Division from July,
1996 until May, 1998, Director of Marketing-Monitoring Division in June, 1995
until July, 1996, and as Marketing Manager from September, 1994 until June,
1995.  Prior to joining the Company, Mr. Close was Vice President of Marketing
and Sales of Digital Ocean, Inc., a WLAN manufacturer, from March, 1994 until
September, 1994.  He was Vice President-Marketing and Engineering  of Criticare
Systems, Inc. from September, 1991 until March, 1994.



     ITEM 2.  PROPERTIES

     The following table sets forth certain information as of April 30, 1998,
relating to the Company's principal real estate facilities:

<TABLE> 
<CAPTION> 
  Location
 (Owned or           Approximate
  Leased)            Square Feet        Principal Uses
- -------------      ---------------      --------------
<S>                <C>                  <C> 
Freiburg, Germany
(owned)                  140,000        Engineering, research and development,
                                        marketing and manufacturing of 
                                        diagnostic and monitoring products,
                                        primarily for European distribution.
                                        
Freiburg, Germany         35,100        Research and development, marketing and
 (leased until                          sale and purchasing until for Hellige 
   September 30, 2006)                  manufactured products
</TABLE> 

                                       30
<PAGE>
 
Jupiter, Florida         180,000        Manufacturing, engineering and marketing
                                        of supplies and (owned) cardiac
                                        catheterization products and repair and
                                        maintenance of products
                                                                                
Milwaukee,               295,000        Corporate offices, engineering, research
                                        and Wisconsin development, and marketing
                                        and (owned) manufacturing of diagnostic
                                        and adult monitoring products
                                        
Paris, France             8,000         Marketing and sales, general 
(leased until                           administration                  
February, 1999)                                                                 
                                                                                
Torrance, California     65,500         Engineering, research and development
(leased until December,                 and marketing and manufacturing of
2004)                                   imaging systems            
                                                                                
Wallingford, CT         180,000         Engineering, research and development
 (owned)                                and marketing and manufacturing of fetal
                                        and neo-natal monitoring and diagnostic
                                        products              



     The Company believes that its manufacturing facilities are sufficient for
its current needs.  Because approximately 75% of its manufacturing capacity is
presently being utilized, the Company believes that such facilities are
sufficient for the next three years based on the Company's expected rate of
growth.


     ITEM 3.  LEGAL PROCEEDINGS

     The Company is not a party to any material legal proceeding other than
ordinary routine litigation incident to its business.



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

                                       31
<PAGE>
 
          None

                                     PART II


     ITEM 5.  Market for the Registrant's Common Equity and Related Security
Holder Matters

     The section labeled "General Information" appearing on page 49 of the
Company's 1998 Annual Report to Shareholders is incorporated herein by
reference.

     The Registrant has two classes of stock, Common Shares, $0.10 par value,
and Preferred Shares, without par value.  There are no Preferred Shares
outstanding.

     ITEM 6.  Selected Financial Data

     The section labeled "Five Year Summary of Selected Financial Data"
appearing on page 5 of the Company's 1998 Annual Report to Shareholders is
incorporated herein by reference.

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

     The section labeled "Management's Discussion and Analysis of Financial
Condition and Results of Operations" appearing on pages 42 through 47 of the
Company's 1998 Annual Report to Shareholders is incorporated herein by
reference.

     ITEM 8.  Financial Statements and Supplementary Data

     The Report of Independent Public Accountants appearing on page 41 and the
Consolidated Financial Statements and Notes to Consolidated Financial Statements
appearing on pages 20 through 40 of the Company's 1998 Annual Report to
Shareholders are incorporated herein by reference.

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

              None.


                                     PART III

                                       32
<PAGE>
 
     ITEM 10.  Directors and Executive Officers of the Registrant

          (a) The section labeled "Nominees" appearing on page 2 of the
Company's Proxy Statement dated June 25, 1998 is incorporated herein by
reference.

          (b) Information concerning the Company's executive officers who are
not directors is set forth in Part I of this Form 10-K.

          (c) Section 16(a) Beneficial Ownership Reporting Compliance.  Section
              -------------------------------------------------------          
16(a) of the Securities Exchange Act of 1934 requires the Company's Directors
and Executive Officers, and persons who own more than 10% of a registered class
of the Company's equity securities, to file with the Securities and Exchange
Commission initial reports of ownership and reports of changes in ownership of
equity securities of the Company. Officers, directors and greater than 10%
shareholders are required by regulation to furnish the Company with copies of
all Section 16(a) forms they file.

     To the Company's knowledge, based solely on review of the copies of such
reports furnished to the Company and written representations that no other
reports were required, the Company believes that its officers, directors and
greater than 10% beneficial owners complied with all applicable Section 16(a)
filing requirements, except for the omission to reflect on the Form 4 (Statement
of Changes in Beneficial Ownership) by Frederick A. Robertson for the month of
December, 1997, the purchase of 2,000 shares of the Company's equity securities.
An amended Form 4 was filed by Dr. Robertson for April, 1998 correcting the
omission.


     ITEM 11.  Executive Compensation

     The sections labeled "Executive Officer Compensation" and "Report of the
Human Resources Committee" appearing on pages 6 through 10 of the Company's
Proxy Statement dated June 25, 1998 is incorporated herein by reference to the
extent necessary to be responsive to the requirements of this Item.


     ITEM 12.  Security Ownership of Certain Beneficial Owners and Management

     The section labeled "Stock Ownership of Management and Others" appearing on
pages 5 and 6 of the Company's Proxy Statement dated June 25, 1998 is
incorporated herein by reference.

                                       33
<PAGE>
 
     ITEM 13.  Certain Relationships and Related Transactions

     The subsection labeled "Certain Transactions" appearing on pages 11 and 12
of the Company's Proxy Statement dated June 25, 1998 is incorporated herein by
reference.

                                       PART IV


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

          (a)  1.   Index to Financial Statements

     The following Financial Statements
     are included in the Company's
     1998 Annual Report to Shareholders                Page in 1998
     and are incorporated herein by                    Annual Report
     reference pursuant to Item 8:                     to Shareholders


     Consolidated Balance Sheets at                             2
     April 30, 1998 and 1997

     Consolidated Statements of Income                         22    
     for the years ended April 30, 1998,
     1997 and 1996

     Consolidated Statements of Cash Flows                     23
     for the years ended April 30, 1998,
     1997 and 1996

     Consolidated Statements of Shareholders'                  24
     Equity for the years ended April 30,
     1998, 1997 and 1996

     Notes to Consolidated Financial                           25
     Statements

     Selected Quarterly Data (Unaudited)                       40

     Report of Independent Public Accountants                  41


               2.   Index to Financial Statement Schedules

          The following schedule is filed as part of this Report on Form 10-K
and is covered by the "Report of Independent Public Accountants on Supplementary
Schedule" included herein.

                                       34
<PAGE>
 
           Schedule
            Number                       Description
            ------                       -----------


              II              Valuation and Qualifying Accounts


     All other financial statement schedules not listed have been omitted since
the required information is included in the consolidated statements or the notes
thereto, or is not applicable or required under the rules of Regulation S-X.

                                       35
<PAGE>
 
                   REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS
                           ON SUPPLEMENTARY SCHEDULE


     To the Shareholders of Marquette Medical Systems, Inc.:


     We have audited in accordance with generally accepted auditing standards,
the financial statements included in Marquette Medical Systems, Inc.'s Annual
Report to shareholders incorporated by reference in this Form 10-K, and have
issued our report thereon dated June 1, 1998. Our audit was made for the purpose
of forming an opinion on those statements taken as a whole. The schedule listed
in the index at item 14(a)(2) is the responsibility of the Company's management
and is presented for purposes of complying with the Securities and Exchange
Commission's rules and is not part of the basic financial statements. This
schedule has been subjected to the auditing procedures applied in the audit of
the basic financial statements and, in our opinion, fairly states in all
material respects the financial data required to be set forth therein in
relation to the basic financial statements taken as a whole.

                                     ARTHUR ANDERSEN LLP

                                    /s/ Arthur Andersen LLP
Milwaukee, Wisconsin,
June 1, 1998

                                       36
<PAGE>
 
               MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
                       VALUATION AND QUALIFYING ACCOUNTS
                            (Dollars in thousands)

<TABLE>
<CAPTION>
             Balance    Additions    Additions     Write-Offs  Balance
             Beginning  Charged      Due to        Net of      End
             of Year    to Income    Acquisitions  Recoveries  of Year
<S>          <C>        <C>          <C>           <C>         <C> 
Year ended             
April 30,              
1996         $1,066      $817         $5,427        $880       $6,430
                       
Year ended             
April 30,              
1997         $6,430      $398         $  -0-        $2,664     $4,164
                       
Year ended             
April 30,              
1998         $4,164      $   89       $  -0-        $ ( 30)     $4,283
</TABLE> 

    3.   Exhibits

    Exhibit
    No.

    2.1       Stock Purchase Agreement by and between the Company, AHP
              Subsidiary Holding Corporation and American Home Products
              Corporation dated April 7, 1994 (filed as Exhibit 2 to Form 8-K
              dated May 31, 1994 and incorporated herein by reference). All
              schedules to the Agreement have been omitted, the Company hereby
              agreeing to furnish supplementary a copy of any omitted schedule
              to the Commission upon request.

                                       37
<PAGE>
 
    2.2       Closing Date Agreement between Marquette Electronics, Inc., AHP
              Subsidiary Holding Corporation and American Home Products
              Corporation dated May 23, 1994 (filed as Exhibit 2 to Form 8-K
              dated May 31, 1994 and incorporated herein by reference)

    2.3       Offer to Purchase for Cash dated November 10, 1995 made by
              Marquette Subcorp (filed as Exhibit (a)(1) to Schedule 14D-1 filed
              on November 13, 1995 and incorporated herein by reference)

    2.4       Agreement and Plan of Merger dated as of November 5, 1995 between
              Registrant, Marquette Subcorp and E For M Corporation (filed as
              Exhibit (a)(10) to Schedule 14D-1 filed on November 13, 1995 and
              incorporated herein by reference)

    3.1       (a) Restated Articles of Incorporation (filed as Exhibit 1.1 to
              Form S-1 Registration Statement No. 33-35642, filed June 29, 1990
              and incorporated herein by reference)

              (b) Articles of Amendment to Amended and Restated Articles of
              Incorporation (filed as Exhibit 99.2 to Form 8-K dated August 22,
              1996 and incorporated herein by reference)

              (c) Articles of Amendment to Amended and Restated Articles of
              Incorporation dated December 18, 1996

              (d) Articles of Amendment to Amended and Restated Articles of
              Incorporation dated August 13, 1997

    3.2       (a) Amended and Restated By-Laws of the Registrant adopted as of
              January 8, 1996 (filed as Exhibit 3.2(a) to Form 10-K for the
              fiscal year ended April 30, 1996 and incorporated herein by
              reference)

              (b) Amendment No. 1 to Amended and Restated By-Laws of the
              Registrant adopted May 21, 1996 (filed as Exhibit 3.2(b) to Form
              10-K for the fiscal year ended April 30, 1996 and incorporated
              herein by reference)

              (c) Amendment No. 2 to Amended and Restated By-Laws of the
              Registrant adopted November 20, 1996

              (d) Amendment No. 3 to Amended and Restated By-Laws of the
              Registrant adopted June 24, 1997

                                       38
<PAGE>
 
               (e) A complete copy of the By-Laws as amended to date

     4.1       Rights Agreement dated as of December 18, 1996 between Registrant
               and Firstar Trust Company as Rights Agent (filed as Exhibit 4 to
               Form 8-K dated December 18, 1996 and incorporated herein by
               reference)

     10.1      Post-Death Option Agreement, by and between Marquette
               Electronics, Inc. and Michael J. Cudahy, dated April 6, 1992
               (filed as Exhibit 10.67 to Form 10-K for the fiscal year ended
               April 30, 1992 and incorporated herein by reference)

     10.2      Post-Death Option Agreement, by and between Marquette
               Electronics, Inc. and Warren B. Cozzens, dated April 6, 1992
               (filed as Exhibit 10.68 to Form 10-K for the fiscal year ended
               April 30, 1992 and incorporated herein by reference)

     10.3      Amended and Restated Stock Option Plan for Employees of Marquette
               Electronics, Inc. (filed as Exhibit 10.70 to Form 10-K for the
               fiscal year ended April 30, 1992 and incorporated herein by
               reference)

     10.4      Amendment No. 1 to Amended and Restated Stock Option Plan for
               Employees of Marquette Electronics, Inc. adopted September 10,
               1993 (filed as Exhibit 10.15 to Form 10-K for the fiscal year
               ended April 30, 1994 and incorporated herein by reference)

     10.5      Amendment No. 2 to Amended and Restated Stock Option Plan for
               Employees of Marquette Electronics, Inc. adopted June 2, 1994
               (filed as Exhibit 10.16 to Form 10-K for the fiscal year ended
               April 30, 1994 and incorporated herein by reference)

     10.6      Amendment No. 3 to Amended and Restated Stock Option Plan for
               Employees of Marquette Electronics, Inc. adopted May 21, 1996
               (filed as Exhibit 10.6 to Form 10-K for the fiscal year ended
               April 30, 1996 and incorporated herein by reference)

     10.7      Letter Agreement between the Company and Warren B. Cozzens dated
               July 11, 1994 (filed as Exhibit 10.21 to Form 10-K for the fiscal
               year ended April 30, 1994 and incorporated herein by reference)

                                       39
<PAGE>
 
     10.8      Marquette Electronics, Inc. Directors (non-employee) Stock Option
               Plan adopted August 19, 1993 (filed as Exhibit 10.23 to Form 10-K
               for the fiscal year ended April 30, 1994 and incorporated herein
               by reference)

     10.9      Loan Agreement dated May 31, 1994 between Marquette Electronics,
               Inc., M&I Marshall & Ilsley Bank and NBD Bank, N.A. (filed as
               Exhibit 10.19 to Form 10-K for the fiscal year ended April 30,
               1995 and incorporated herein by reference)

     10.10     Marquette Electronics, Inc. Management Deferred Compensation
               Plan, as adopted on February 9, 1996 (filed as Exhibit 10.13 to
               Form 10-K for the fiscal year ended April 30, 1996 and
               incorporated herein by reference)

     10.11     Stock Purchase Agreement, dated July 1, 1996, between the
               Registrant, E For M Corporation and Polar Vision, Inc. (filed as
               Exhibit 10.16 to Form 10-K for the fiscal year ended April 30,
               1996 and incorporated herein by reference)

     10.12     Loan Agreement between Registrant and M & I Marshall and Ilsley
               Bank, Wachovia Bank of Georgia N.A. and NBD Bank, N.A. dated
               December 12, 1995 (filed as Exhibit 10.17 to Form 10-K for the
               fiscal year ended April 30, 1996 and incorporated herein by
               reference)

     10.13     Commercial and Industrial Lease Agreement dated March 29, 1995
               between Bond Street Building Co. and E For M Corporation (a
               wholly-owned subsidiary of Registrant) (filed as Exhibit 10.19 to
               Form 10-K for the fiscal year ended April 30, 1996 and
               incorporated herein by reference)

     10.14     Standard Industrial/Commercial Single Tenant-Tenant Lease Net
               dated May 24, 1994 between Albor Properties One LP and Enhanced
               Imaging Technologies, Inc. (now known as E For M Corporation)
               (filed as Exhibit 10.20 to Form 10-K for the fiscal year ended
               April 30, 1996 and incorporated herein by reference)

     10.15     Stock Option dated June 24, 1997 issued by Registrant to Michael
               J. Cudahy (filed as Exhibit 1 to Form 8-K dated July 2, 1997 and
               incorporated herein by reference)

                                       40
<PAGE>
 
     10.16     Severance Agreement dated February 27, 1998 between the
               Registrant and Frederick A. Robertson

     10.17     Severance Agreement dated March 11, 1998 between Registrant and
               Timothy C. Mickelson

     10.18     Marquette Medical Systems, Inc. Global Employee Stock Sharing
               Plan

     10.19     Indemnity Agreement dated February 27, 1998 between Registrant
               and Frederick A. Robertson

     10.20     Marquette Medical Systems, Inc. Profit-Sharing and 401(k) Plan
               (as amended and restated) effective as of January 1, 1998

     10.21     Amendment No. 1 adopted February 20, 1998 to the Marquette
               Medical Systems, Inc. Profit-Sharing and 401(k) Plan (as amended
               and restated)

     13.1      1998 Annual Report to Shareholders



     Exhibit
     No.

     21.1      List of subsidiaries

     23.1      Consent of Arthur Andersen LLP

     27.1      Financial Data Schedule



     (b)  Reports on Form 8-K

          None

                                       41
<PAGE>
 
                                   SIGNATURES

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

     Date: July 15, 1998.


                                    MARQUETTE MEDICAL SYSTEMS, INC.


                                    By:  /s/ Frederick A. Robertson
                                        ---------------------------
                                         Chief Executive Officer


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

     Signature                          Title             Date



Principal Executive Officer:
                                    Chief Executive
 /s/Frederick A. Robertson          Officer,
- -----------------------------       Director            July 15, 1998         
     Frederick A. Robertson         


Principal Financial Officer:        Senior Vice
                                    Vice President,
 /s/ Mary M. Kabacinski             Chief Financial
- -----------------------------       Officer,                         
    Mary M. Kabacinski              Assistant                        
                                    Secretary           July 15, 1998 
                                    

 
Directors:
 
 /s/ John G. Bollinger
- -----------------------------
     John G. Bollinger              Director            July 15, 1998

 
 /s/ Michael J. Cudahy              Chairman of the
- -----------------------------       Board, Director     July 15, 1998 
     Michael J. Cudahy              
 
                                       42
<PAGE>
 
  /s/ Frederick G. Luber            Director            July 15, 1998
 ----------------------------                                        
     Frederick G. Luber


  /s/ Melvin S. Newman
 ----------------------------
     Melvin S. Newman               Director            July 15, 1998


  /s/ Walter L. Robb
 ----------------------------
     Walter L. Robb                 Director            July 15, 1998


  /s/ Frederick A. Robertson
 ----------------------------
     Frederick A. Robertson         Director            July 15, 1998

                                       43

<PAGE>
 
                                                                   EXHIBIT 10.16
                                                                   -------------

                              SEVERANCE AGREEMENT
                              -------------------


          THIS SEVERANCE AGREEMENT (this "Agreement") is entered into as of this
27th day of February, 1998 by and between MARQUETTE MEDICAL SYSTEMS, INC., a
Wisconsin corporation (the "Company"), and FREDERICK A. ROBERTSON, an individual
residing at 108W Ironwood Lane, Mequon, Wisconsin 53092 ("Employee"); and


          WHEREAS, Employee is a Director and Chief Executive Officer of the
Company, having been elected to such positions in November, 1997;


          WHEREAS, the Employee has been associated with the Company for a
number of years and has extensive knowledge, contacts and experience relating to
the Company's product line, marketing plans, strategies, and financial affairs;


          WHEREAS, as an inducement for the Employee to sever certain business
relationships that were of benefit to the Employee incident to his election to
the office of Chief Executive Officer, the Company has agreed to provide to the
Employee certain benefits upon the severance of his employment relationship with
the Company; and


          NOW, THEREFORE, in consideration of these premises and the mutual
covenants hereinafter set forth, the parties hereby agree as follows:

1.        In the event that the Company shall terminate the Employee's
     employment on or before November 30, 1999, other than for reasons of issues
     involving moral turpitude, the commission of a crime, gross dereliction in
     his duties or insubordination, the parties agree that the Employee, during
     the Consulting Period and subject to the terms of this Agreement, will
     provide general consulting and advisory services to the Company with
     respect to those Company matters as to which the Employee has knowledge and
     which the Company shall, from time to time, request the Employee's
     assistance. The services to be rendered by Employee hereunder will be
     performed by the Employee at such place as the Employee may determine and
     shall be substantially in the form of telephone advice and occasional
     meetings.

2.        The term of Employee's consultancy hereunder (the "Consulting Period")
     shall commence on the effective date of his termination of employment and
     shall expire ninety (90) days thereafter.

3.        (a)  As compensation for the consulting and advisory services to be
     rendered by Employee to the Company hereunder, the Company shall pay to the
     Employee a fee (the "Consulting Fee") in an amount equal to the base salary
     of the Employee in effect as of the date of his termination, such fee to be
     paid in twelve (12) equal monthly installments on the first day of each of
     the twelve calendar months succeeding the effective date of the Employee's
     termination (the "Payment Period") while this Agreement remains in effect.

<PAGE>
 
               (b)  The Employee agrees that if, during the Payment Period, he
becomes employed by or associated with as an employee, partner, member or agent
or officer or director of any organization engaged in the manufacture, design or
sale of medical devices or equipment competitive with any medical devices or
equipment sold by the Company, the Company's obligation to continue to make
payments hereunder shall immediately terminate and, to the extent any payments
are thereafter made, the Company shall have the right to recover any such
payments made following such affiliation.

              (c)  Employee shall not be entitled to any other compensation for
his services or covenants hereunder, provided that the Company will reimburse
Employee for all reasonable out-of-pocket travel or transportation expenses
incurred by him if, at the request of the Company, he agrees to travel incident
to the performance of his services hereunder.

 
4.        Employee shall at all times during the Payment Period act as an
     independent contractor of the Company and nothing herein shall be deemed or
     construed to create the relationship of partner, employee, agent or joint
     venturer between Employee and the Company, or of any other relationship
     other than that of independent contractor. Employee shall not transact any
     business in the name of the Company, nor obligate the Company in any
     manner, character or description, without the express prior written
     approval of the Company. Employee shall limit his activities to the
     obligations and duties hereinabove specified and shall have no power or
     authority to bind or obligate the Company in any respect whatsoever.

5.        The payment to Employee specified in Section 3 above shall be made
     without deduction for payroll taxes. Employee assumes full responsibility
     for payment of payroll taxes applicable to such payment.

6.        All written reports, recommendations, advice, records, documents and
     other materials prepared or obtained by Employee or coming into his
     possession or control during the Consulting Period which relate to the
     Company shall be the sole and exclusive property of the Company, and, at
     the end of the Consulting Period or, at the request of the Company, during
     the Consulting Period, Employee shall promptly deliver all such written
     materials to the Company.

7.        All notices hereunder shall be given in writing by hand delivery or by
     registered or certified mail, return receipt requested, postage prepaid,
     addressed to the parties at the following respective addresses, or at such
     other address as may from time to time be designated by either party to the
     other hereunder in accordance with this Section 7:

          To Employee:

               Frederick A. Robertson
               108W Ironwood Lane
               Mequon, Wisconsin 53092

                                       2

<PAGE>
 
          To the Company:

               Marquette Medical Systems, Inc.
               8200 Tower Avenue
               Milwaukee, Wisconsin 53203

               Attention: Chairman of the Board

               All such notices and communications hereunder shall be effective
and deemed given, if mailed, on and as of the date of receipt, as evidenced by
the acknowledgment of receipt issued with respect thereto by the applicable
postal authorities and, if delivered by hand, on and as of the date of receipt,
as evidenced by the signed acknowledgment of receipt of the person to whom such
notice or communication shall have been addressed, as applicable.

8.        No failure by either party hereto to exercise, and no delay in
     exercising, any right hereunder shall operate as a waiver thereof, nor
     shall any single or partial exercise of any right hereunder by either party
     preclude any other or future exercise of that right or any other right
     hereunder by that party .

9.        In case any one or more of the provisions of this Agreement should be
     invalid, illegal or unenforceable in any respect, the validity, legality
     and enforceability of the remaining provisions contained herein shall not
     in any way be affected or impaired thereby.

10.       The parties hereby agree that this Agreement, and the respective
     rights, duties and obligations of the parties hereunder, shall be governed
     by and construed in accordance with the laws of the State of Wisconsin,
     without giving effect to principles of conflict of law thereunder.

11.       This Agreement shall not be assignable, in whole or in part, by any
     party without the prior written consent of the other parties and any
     attempted assignment without such prior written consent shall be void.
     Notwithstanding the foregoing, the Company may assign this Agreement to,
     and it shall inure to the benefit of and be binding upon, any entity
     controlled by, controlling, or under common control with the Company.

12.       This Agreement may not be amended, terminated or superseded except by
     an agreement in writing between the Company and Employee.

13.       This Agreement and the provisions thereof shall be binding upon and
     inure to the benefit of, in the case of Employee, his heirs, beneficiaries,
     personal representatives, executors, successors and permitted assigns, and,
     in the case of the Company, its respective successors and permitted
     assigns.

14.       This Agreement may be executed in any number of duplicate
     counterparts, each of which shall be deemed an original hereof but all of
     which together shall constitute one and the same document.

                                       3

<PAGE>
 
          IN WITNESS WHEREOF, the parties hereto have caused this Agreement to
be duly executed the day and year first above written.


                                   MARQUETTE MEDICAL SYSTEMS, INC.


                                   BY:____________________________
                                        CHAIRMAN OF THE BOARD

 
                                      ____________________________
                                        FREDERICK A. ROBERTSON

                                       4


<PAGE>
 
                                                                   EXHIBIT 10.17
                                                                   -------------


                              SEVERANCE AGREEMENT
                              -------------------


          THIS SEVERANCE AGREEMENT (this "Agreement") is entered into this 11th
day of March, 1998, effective as of January 1, 1998 by and between MARQUETTE
MEDICAL SYSTEMS, INC., a Wisconsin corporation (the "Company"), and TIMOTHY C.
MICKELSON, an individual residing at 4414 River Willow Court, Mequon, Wisconsin
53092 ("Mickelson"); and

          WHEREAS, Mickelson has been a Director and executive officer of the
Company and by virtue of such position has extensive knowledge, contacts and
experience relating to the Company's product line, marketing plans and
strategies, customer base and financial affairs; and

          WHEREAS, Mickelson has ended his employment with the Company effective
December 31, 1997 and has submitted his resignation from all offices in the
Company and as a Director thereof and the Company wishes to induce Mickelson to
refrain from competing or aiding others in competing with the Company during
1998;

          NOW, THEREFORE, in consideration of these premises and the mutual
covenants hereinafter set forth, the parties hereby agree as follows:

15.       In consideration of Mickelson's covenants hereinafter contained, the
     Company agrees to pay to Mickelson, severance payments in the amount of
     Twenty-Two Thousand Nine Hundred Seventeen ($22,917.00) Dollars per month
     payable no less often than monthly during the one-year period ending
     December 31, 1998 (the "Payment Period") while this Agreement remains in
     effect.

16.       Notwithstanding the foregoing, the severance payments otherwise
     payable under Section 1 shall be reduced by the amount of any compensation
     earned or received by Mickelson as an officer or employee of any other
     company during the Payment Period. Mickelson agrees to notify the Company
     of all such amounts earned or received during the Payment Period and, at
     the request of the Company, to provide the Company with a copy of his
     Federal and state income tax returns for 1998, within thirty (30) days
     after they are filed.

17.       Mickelson agrees that if, during the Payment Period, he becomes
     employed by or associated as an employee, partner, consultant, investor,
     member or agent or officer or director with any of the following companies,
     the Company's obligation to continue to make payments hereunder shall
     immediately terminate and, to the extent any payments are thereafter made,
     the Company shall have the right to recover any such payments made
     following such affiliation, to-wit:

          Hewlett Packard                     Datex              
          Space Labs                          Siemens             
          Nihon Cohden                        Fukuda
                                              Protocol
<PAGE>
 
          Quinton Instruments                 Physio Control   
                                                    
18.       In addition to the amounts payable pursuant to Section 1, the Company
     agrees to pay to Mickelson, within 20 days following the execution of this
     Agreement, the sum of Fifty-One Thousand Six Hundred Forty-Five ($51,645)
     Dollars, less applicable withholding, representing Mickelson's pro rated
     incentive bonus for the year ending April 30, 1998.

19.       Mickelson's rights to exercise his stock options under Option
     Agreement Nos. 82, 88, 89, 117 and 184, to and only to the extent vested as
     of December 31, 1997, anything therein contained to the contrary
     notwithstanding, may be exercised by Mickelson (or in the event of
     Mickelson's death, by Mickelson's successor in interest) on or before
     January 1, 2000.

20.       The Company agrees to maintain Mickelson's insurance coverage under
     its health and dental insurance plan through December 31, 1998, at no cost
     to Mickelson, and to permit Mickelson to exercise his COBRA rights as of
     that date.

21.       The Company agrees to reimburse Mickelson for out-placement services
     incurred by Mickelson during 1998, to a maximum of $23,000.

22.       Mickelson shall have the right to exercise his conversion rights under
     his group term life insurance policy in accordance with the terms of that
     policy.

23.       Mickelson hereby confirms his prior resignation from all offices and
     directorships held by him in the Company.

24.       Except for Mickelson's claims hereunder and his rights to accrued
     benefits under the Company's Profit Sharing-401(k) Plan or Deferred
     Compensation Plan, Mickelson releases and forever discharges the Company
     from and against any and all claims that he now has against the Company by
     reason of any cause, matter, thing, occurrence or event whatsoever prior to
     the effective date of this Agreement. Mickelson specifically agrees that
     any claims of discrimination on the basis of age pursuant to the Age
     Discrimination Act of 1967, as amended, which he shall or may have against
     the Company or connected in any way with his employment with the Company,
     are hereby waived. Mickelson acknowledges that he has been advised to
     consult with legal counsel before signing this Agreement and has done so or
     has had the opportunity to do so and has had twenty-one (21) days from the
     date of this Agreement within which to consider it. Mickelson may, within
     seven (7) calendar days following the date of execution of this Agreement,
     cancel and terminate this Agreement by giving written notice of
     cancellation and termination to the Company and by returning any payments
     that have been made to him pursuant to the provisions of Sections 1 or 4
     since the date of execution of this Agreement.

25.       All notices hereunder shall be given in writing by hand delivery or by
     registered or certified mail, return receipt requested, postage prepaid,
     addressed to the parties at the following respective addresses, or at such
     other address as may from time to time be designated by either party to the
     other hereunder in accordance with this Section 11:

                                       2
<PAGE>
 
          To Mickelson:

               Timothy C. Mickelson
               4414 River Willow Court
               Mequon, Wisconsin 53092

          To the Company:

               Marquette Medical Systems, Inc.
               8200 Tower Avenue
               Milwaukee, Wisconsin 53203

               Attention: Chairman of the Board

               All such notices and communications hereunder shall be effective
and deemed given, if mailed, on and as of the date of receipt, as evidenced by
the acknowledgment of receipt issued with respect thereto by the applicable
postal authorities and, if delivered by hand, on and as of the date of receipt,
as evidenced by the signed acknowledgment of receipt of the person to whom such
notice or communication shall have been addressed, as applicable.

26.       In case any one or more of the provisions of this Agreement should be
     invalid, illegal or unenforceable in any respect, the validity, legality
     and enforceability of the remaining provisions contained herein shall not
     in any way be affected or impaired thereby.

27.       The parties hereby agree that this Agreement, and the respective
     rights, duties and obligations of the parties hereunder, shall be governed
     by and construed in accordance with the laws of the State of Wisconsin,
     without giving effect to principles of conflict of law thereunder.

28.       This Agreement shall not be assignable, in whole or in part, by either
     party without the prior written consent of the other party and any
     attempted assignment without such prior written consent shall be void.

29.       This Agreement may not be amended, terminated or superseded except by
     an agreement in writing between the Company and Mickelson.

30.       This Agreement and the provisions thereof shall be binding upon and
     inure to the benefit of, in the case of Mickelson, his heirs,
     beneficiaries, personal representatives, executors, successors and
     permitted assigns, and, in the case of the Company, its respective
     successors and permitted assigns.

                                       3
<PAGE>
 
31.       This Agreement may be executed in any number of duplicate
     counterparts, each of which shall be deemed an original hereof but all of
     which together shall constitute one and the same document.

          IN WITNESS WHEREOF, the parties hereto have caused this Agreement to
be duly executed the day and year first above written.


                              MARQUETTE MEDICAL SYSTEMS, INC.


               BY:____________________________
                    CHAIRMAN OF THE BOARD

 
                  ____________________________
                      TIMOTHY C. MICKELSON

                                       4

<PAGE>
 
                                                                   EXHIBIT 10.18
                                                                   -------------

                        MARQUETTE MEDICAL SYSTEMS, INC.



                      GLOBAL EMPLOYEE STOCK SHARING PLAN



                                  Rev 5/11/98


                                                                  APRIL 11, 1997
<PAGE>
 
       MARQUETTE MEDICAL SYSTEM, INC.
       GLOBAL SUCCESS SHARING PLAN
       -------------------------------------------------------------------------
       
       
                               TABLE OF CONTENTS

<TABLE>        
       <S>         <C>     
       ARTICLE 1   TITLE
      
       ARTICLE 2   DEFINITIONS AND CONSTRUCTION
   
                   Section 2.1    Definitions
   
                   Section 2.2    Construction
     
       ARTICLE 3   PARTICIPATION
       
                   Section 3.1    Participation

                   Section 3.2    Determination of  Eligibility
       
       ARTICLE 4   CONTRIBUTIONS
                  
                   Section 4.1    Calculation of  Contribution

                   Section 4.2    Payment of Contribution

                   Section 4.3    Stock or Cash Payout

                   Section 4.4    Discretion of Company
                  
                   Section 4.5    Purchase of Shares by Custodian
                  
                   Section 4.6    Limitation on Company Contribution
                       
                   Section 4.7    Withholding of Taxes

       ARTICLE 5   CUSTODIAL ACCOUNT
</TABLE> 

                                       i
<PAGE>
 
<TABLE> 
       <S>         <C>            
                   Section 5.1    Custodial Account
  
       ARTICLE 6   PARTICIPANT ACCOUNTS
                
                   Section 6.1    Individual Account
 
                   Section 6.2    Credits of Individual Account   
                                                                      
                   Section 6.3    Plan Year Allocations               
                                                                      
                   Section 6.4    Correction of Error                 
                                                                      
                   Section 6.5    Other Allocations                   
                                                                      
                   Section 6.6    Participant Statement                

       ARTICLE 7   VESTING
                 
                   Section 7.1    Vesting

       ARTICLE 8   DISTRIBUTIONS
       
                   Section 8.1    Circumstances Entitling Participant to    
                                  Distribution                                  
                                                                                
                   Section 8.2    Method and Manner of Distribution             
                                                                                
                   Section 8.3    Account Participant Election                  
                                                                                
                   Section 8.4    Time of Distribution                          
                                                                                
                   Section 8.5    Designation of Beneficiary in the Event of    
                                  Death         

       ARTICLE 9   PARTICIPANTS' STOCKHOLDER RIGHTS
                  
                   Section 9.1    Voting Rights
</TABLE> 

                                      ii
<PAGE>
 
<TABLE> 
       <S>         <C> 
       ARTICLE 10  PARTICIPATION BY OTHER PARTICIPATING EMPLOYEES
            
                   Section 10.1   Continuance by a Successor

       ARTICLE 11  MISCELLANEOUS

                   Section 11.1   Expenses                                 
                                                                               
                   Section 11.2   Non-transferability and Non-assignability    
                                                                               
                   Section 11.3   Employment Non-contractual                   
                                                                               
                   Section 11.4   Limitation of Rights                         
                                                                               
                   Section 11.5   Merger or Consolidation with Another Plan     

       ARTICLE 12  ALTERATION, WITHDRAWAL AND TERMINATION

                   Section 12.1   Amendment

                   Section 12.2   Termination

                   Section 12.3   Effective Date of Termination

                   Section 12.4   Immunity of Corporation, Subsidiary, or
                                   other Fiduciary

                   Section 12.5   Governing Law
</TABLE> 

                                      iii
<PAGE>
 
                                   ARTICLE 1
                                     TITLE

The title of this Plan shall be the "Marquette Medical Systems, Inc. Global
Employee Stock Sharing Plan".

                                   ARTICLE 2
                         DEFINITIONS AND CONSTRUCTION

SECTION 2.1: DEFINITIONS

As used herein, the following words and phrases shall have the following
respective meanings unless the context clearly indicates otherwise.

(1)  Allocation Date - The date on which the  Company will calculate and
     ---------------                                                    
     allocate to the account of each of the Participants, the Participant's
     share of the Contribution for each Plan Year as determined under Sections
     4.2 and 4.3, which date shall not be more than 60 days after the end of
     each Plan Year.

(2)  Beneficiary/Beneficiaries - The person or persons, who may be so
     -------------------------

(3)  Board or Board of Directors - The Board of Directors of  the Company.
     ---------------------------                                

(4)  Company - Marquette Medical Systems, Inc., a Wisconsin Corporation.
     -------                                                             
     Wherever reference is made in this Plan to the "Company" in the context of
     financial performance, the "Company" shall mean Marquette Medical Systems,
     Inc. and all of its Controlled Subsidiaries that are included on its
     consolidated financial statements.

                                       1
<PAGE>
 
(5)  Contribution - The contribution determined by the Board of Directors
     ------------                                                        
     under Section 4.1 for each Plan Year, on the Determination Date based on
     the performance targets or success sharing targets established for each
     Plan Year. Such performance targets shall consist of one or any combination
     of two or more of revenue; revenue per employee; earnings before income tax
     (profit before taxes); earnings before interest and income tax; net
     earnings (profits after tax); earnings per employee; tangible, controllable
     or total asset turnover; earnings per share; operating income; total
     shareholder return; market share; return on equity; before- or after-tax
     return on net assets; distribution expense; inventory turnover; or economic
     value added; and any such targets may relate to one or any combination of
     two or more of corporate, group, unit, division, or affiliate performance.
     The Board of Directors may at its discretion determine that the
     Contribution for a given year is zero.

(6)  Controlled Subsidiary - A corporation or like entity more than one-half 
     ---------------------                                             
     (1/2) of whose voting power is held by the Company.

(7)  Custodial Account  - All money and property of every kind from time to time
     -----------------                                                  
     held by the Custodian pursuant to the Custodial Account Agreement and the
     Plan, any accumulations of income pursuant thereto and property from time
     to time representing the same.

(8)  Custodian - The Original Custodian [Royal Bank of Canada (Jersey), Ltd.] or
     ---------                                                         
     Successor Custodian of the Custodian Account.

                                       2
<PAGE>
 
(9)  Determination Date - The date on which the Company shall determine and
     ------------------                                                
     announce the Contribution for each Plan Year under Section 4.1, which date
     shall not be more than 60 days after the end of each Plan Year.

(10) Effective Date - The Effective Date of this Plan is May 1, 1997 with the 
     --------------                                                      
     first Plan Year beginning on May 1, 1997 and ending on April 30, 1998 and
     the first payouts being determined under Sections 4.2 and 4.3 on the
     Allocation Date in the calendar year 1998.

(11) Employee - An individual whose relationship with the Company or a 
     --------                                                         
     Controlled Subsidiary is, under the laws of the relevant jurisdiction, that
     of an employee except for:

     (a)  employees who have been hired on a temporary contract to meet a
     a temporary work need with no expectation that they will become permanent
     employees.

     (b)  employees provided by an employment agency to meet temporary staffing
          requirements resulting from temporary peak workloads, sickness or
          medical leave.

(12) Participant - An Employee who as of the end of any Plan Year has been
     -----------                                                     
     continually employed by the Company or a Controlled Subsidiary for more
     than one year. In no event, however, will an Employee who is a member of a
     collective bargaining unit be a Participant unless the collective
     bargaining unit agreement so provides.

(13) Permanent Disability - The mental or physical incapacity of a Participant
     --------------------                                         
     which, in the opinion of a licensed physician approved by the Board of
     Directors or its designee as

                                       3
<PAGE>
 
     evidenced by a certificate issued by such physician, is reasonably certain
     to continue during the remainder of the Participant's lifetime.

(14) Plan - The Plan herein set forth, as amended from time to time.
     ----                                                           

(15) Plan Year - The Plan Year shall each be the fiscal year, running from 
     ---------                                                       
     from May 1 through April 30, with respect to which the Contribution is
     determined by the Company on the Determination Date. The first Year or Plan
     Year will be May 1, 1997 through April 30, 1998.

(16) Profit Sharing Plan - The Marquette Medical Systems, Inc. Profit Sharing
     -------------------
     and 401(k) Plan.

(17) Retires/Retire/Retirement/Retirement Date - means the date on which the
     -----------------------------------------                          
     Participant retires from the employ of the Company or a Controlled
     Subsidiary. The date of retirement will be the date in effect for any given
     jurisdiction as determined by the employee's employer.

(18) Shares - The common shares, 10c par value, of the Company.
     ------                                                    

                                       4
<PAGE>
 
SECTION 2.2: CONSTRUCTION

Whenever used in the Plan, words in the masculine gender shall be deemed to
include masculine, feminine and neuter genders, and, unless the context
otherwise requires, words in the singular shall include the plural and words in
the plural shall include the singular.

                                       5
<PAGE>
 
                                   ARTICLE 3

                                 PARTICIPATION

SECTION 3.1: PARTICIPATION

All Participants, employed by the Company or a Controlled Subsidiary as of the
end of the Plan Year, shall participate under the Plan for such year.

SECTION 3.2: DETERMINATION OF ELIGIBILITY

The Company shall determine the eligibility of each Employee for participation
in the Plan. Such determination shall be conclusive and binding upon all
persons.

                                       6
<PAGE>
 
                                   ARTICLE 4
                                 CONTRIBUTIONS

SECTION 4.1: CALCULATION OF CONTRIBUTION

Subject to Section 4.4, on each Determination Date the Board of Directors of the
Company shall determine the Contribution for the preceding Plan Year based on
the performance measure for that year. Subject to Section 4.4, the Company will,
as soon as possible thereafter, but in no event later than the Allocation Date,
allocate the Contribution for the Plan Year in respect of each Participant by
dividing such Contribution by the number of Participants.

SECTION 4.2: PAYMENT OF CONTRIBUTION

Subject to Section 4.4, the Company shall pay to the Custodian Account and to
the Profit Sharing Plan, as soon as practicable, but in no event later than the
last business day in July immediately following the close of the Plan Year, the
Contribution determined under Section 4.1. The portion of the Contribution
payable to the Custodian will be a fraction, the numerator of which shall be the
number of Participants who are not eligible to participate in the Profit Sharing
Plan and the denominator of which shall be the total number of Participants. The
remainder of the Contribution shall be paid to the Profit Sharing Plan and shall
be held, maintained, and distributed in accordance with the terms of that plan.

                                       7
<PAGE>
 
SECTION 4.3: STOCK OR CASH PAYOUT

Subject to Section 4.4, the Company shall as soon as practicable, but in no
event later than the last business day in July of each year following the end of
the Plan Year, cause the Custodian to pay from the Custodial Account to the
Participants or to the Beneficiary or Beneficiaries of the Participants who have
died, retired, or terminated their employment with the Company or a Controlled
Subsidiary, the amount credited to their respective accounts in cash or Shares,
as the Participant may elect in writing and, in the absence of such election, in
cash.

SECTION 4.4: DISCRETION OF COMPANY

Nothing in Sections 4.1, 4.2 or 4.3 shall be deemed to constitute an implied or
express promise or commitment to make any Contribution hereunder in a Plan Year
in which the performance target is not met, or if Board of Directors decides to
refrain from making any Contribution for that Plan Year.

SECTION 4.5: PURCHASE OF SHARES BY CUSTODIAN

To the extent a Contribution is made in cash, the Shares will be purchased by
the Custodian pursuant to the directions of the Company as soon as practicable
but in no event later than one month following the receipt of the Contribution.

SECTION 4.6: LIMITATION ON COMPANY CONTRIBUTION

Any excess Contribution made by the Company by reason of a good faith mistake of
fact, shall, upon the request of the Company, be returned by the Custodian. The
Company's request and the return of any such Contribution must be made within
one year after such Contribution was

                                       8
<PAGE>
 
mistakenly made. The amount to be returned to the Company pursuant to this
paragraph shall, subject to adjustment for both the movements in the market
value of the Shares and for dividends payable, be the excess of:

(a)  the amount contributed, over

(b)  the amount that would have been contributed had there not been a mistake of
     fact.

SECTION 4.7: WITHHOLDING OF TAXES

The Company may withhold, from any payment which it makes under the Plan, such
sum as the Company may reasonably estimate is necessary to cover any taxes
(whether or not enforceable against the Participant's employer) for which the
Company or a Controlled Subsidiary may be liable, which are, or may be, assessed
with regard to such payment.

                                       9
<PAGE>
 
                                   ARTICLE 5
                               CUSTODIAL ACCOUNT

SECTION 5.1: CUSTODIAL ACCOUNT

The Global Employee Stock Sharing Plan Custodial Account is created by an
agreement between the Company and the Original Custodian and to which this Plan
is a schedule. All Contributions under Section 4.2 , other than those to be made
to the Profit Sharing plan, shall be remitted to the Custodial Account. The
Custodian shall hold all monies and other property received by it and at its
discretion invest and reinvest the same, together with the income therefrom, on
behalf of the Participants not eligible to participate in the Profit Sharing
Plan collectively for the purposes of purchasing Shares or paying expenses of
administration of the Plan and the Custodial Account, to the extent not paid by
the Company, in accordance with the provisions of the Custodial Account
Agreement. The Custodian may with the approval of the Company keep such amount
in cash as may be required for the effective administration and recordkeeping
under the Plan.

                                       10
<PAGE>
 
                                   ARTICLE 6
                             PARTICIPANT ACCOUNTS

SECTION 6.1: INDIVIDUAL ACCOUNT

The Custodian shall establish and maintain, or cause such agent as the Custodian
may select with the approval of the Company, to establish and maintain, a
separate account for each Participant on whose behalf any portion of a
Contribution is paid to the Custodian, which shall be called an "Individual
Account." Such Individual Account shall be solely for accounting purposes and
there shall be no segregation of assets of the Custodial Account among the
separate Individual Accounts, nor will an Account Participant obtain any
equitable or legal interest in any particular Shares or other property until
those Shares or other property vest in accordance with the provisions of this
Plan.

SECTION 6.2: CREDITS TO INDIVIDUAL ACCOUNT

The Custodian shall direct the recordkeeper for the Plan, appointed by the
Custodian with the approval of the Company, to cause the Individual Account of
each Account Participant to be credited with the amount determined pursuant to
Section 4.1 to be allocated to his Individual Account for each Plan Year for
which a Contribution is made and to record all investments in Shares made from
each Individual Account.

SECTION 6.3: PLAN YEAR ALLOCATIONS

Within each Individual Account maintained for an Account Participant there shall
be recorded separately for each Plan Year the total number of Shares allocated
for that Plan Year, which are

                                       11
<PAGE>
 
collectively known as "Plan Year Allocations". For purposes of Sections 7 and 8
each Plan Year Allocations shall be treated as if separate accounts are
maintained for each Plan Year.

SECTION 6.4: CORRECTION OF ERROR

If it shall come to the attention of the Custodian that an error has been made
in any of the allocations prescribed by this Article 6, appropriate adjustment
shall be made to the Individual Accounts of all Account Participants which are
affected by such error, except that no adjustment need be made with respect to
any Account Participant (or Beneficiary) whose Individual Account has been
distributed in full prior to the discovery of such error.

SECTION 6.5: OTHER ALLOCATIONS

Any Shares received by the Custodian as a result of a stock dividend, stock
split, recapitalization or other corporate reorganization of the Company shall
be allocated to the Individual Account and the Plan Year Allocation, as of the
day on which such Shares are received by the Custodian in the same manner as the
Shares to which they are attributable were allocated.

SECTION 6.6: PARTICIPANT STATEMENT

Each Account Participant shall be furnished with a statement as soon as
practicable after the end of each Plan Year, setting forth, as of the end of
such Plan Year, the value of and number of Shares credited to each Account
Participant's Individual Account and Plan Year Allocations.

                                       12
<PAGE>
 
                                   ARTICLE 7
                                    VESTING

SECTION 7.1:   VESTING

(a)       Each Plan Year Allocation shall vest separately in the Account
          Participant absolutely, on the fifth anniversary of the close of the
          Plan Year for which the Contribution is made to the Custodian under
          Section 4.2.

(b)       In the event of the earlier death or termination of employment, of the
          Account Participant, the Account Participant's Individual Account
          shall then absolutely vest in the Participant.

                                       13
<PAGE>
 
                                   ARTICLE 8
                                 DISTRIBUTIONS

SECTION 8.1:   CIRCUMSTANCES ENTITLING ACCOUNT PARTICIPANT TO DISTRIBUTION

An Account Participant (or his Beneficiary) shall be entitled to receive the
distributions of the Plan Year Allocations or the Individual Account, as the
case may be, upon vesting, within the time prescribed under Section 8.4.

SECTION 8.2:   METHOD AND MANNER OF DISTRIBUTION

An Account Participant's Individual Account or the Plan Year Allocations, which
have vested in the Account Participant as provided in Section 7.1, as the case
may be, shall be distributed by the Custodian, in the following manner:

(a)   The Account Participant shall have the right to elect within the time
      provided in Section 8.3 to receive the distribution in cash, or to receive
      Shares.

(b)   If the Account Participant fails to communicate his election as provided
      in Section 8.3, the Custodian will sell the Shares and distribute cash to
      the Account Participant.

(c)   If the total value of the Plan Year Allocations, or the Account
      Participant's Individual Account, as the case may be, is $500 or less, all
      distributions will be made in cash.

The Custodian's obligation to sell and deliver the Shares under the Plan is
subject to the approval of any government authority, required in connection with
the authorization, issuance or sale of such Shares, whether in the United States
of America or in any other country.

                                       14
<PAGE>
 
SECTION 8.3:  ACCOUNT PARTICIPANT ELECTION

Except in the case where the Account Participant's employment with the Company
or Controlled Subsidiary is terminated, the election under Section 8.2 must be
made and communicated to the Custodian within one month prior to the Account
Participant vesting in the Plan Year Allocation. In the event the Account
Participant's employment is terminated, the election must be made and
communicated to the Custodian within 30 days following the date of the
termination of employment.


SECTION 8.4:  TIME OF DISTRIBUTION

The Custodian shall commence distribution of an Account Participant's or former
Account Participant's Plan Year Allocation as soon as practicable after the same
are vested.

SECTION 8.5:  DESIGNATION OF BENEFICIARY IN THE EVENT OF DEATH

Each Account Participant shall have the right to designate a Beneficiary or
Beneficiaries, to receive any distribution to be made under this Article 8, upon
the death of such Account Participant or, in the case of an Account Participant
who dies subsequent to the date in which he becomes entitled to receive a
distribution but prior to the distribution of the entire amount to which he is
entitled under the Plan, any undistributed balance to which such Account
Participant would have been entitled.

In the event of the death of the Account Participant, the Account Participant's
Individual Account shall be held in the Custodial Account for his Beneficiary or
Beneficiaries absolutely and distributed by the Custodian to such Beneficiary or
Beneficiaries in such portion as the Account

                                       15
<PAGE>
 
Participant may by notice in writing to the Custodian or his employer designate
from time to time during his lifetime and in default of such designation in
equal portions. If no Beneficiary or Beneficiaries has been named by a deceased
Account Participant, or the designated Beneficiary or Beneficiaries has
predeceased the Account Participant, or if there is for any other reason a
balance of the deceased Account Participant's Individual Account remaining such
balance shall be held by the Custodian absolutely for:

(a)   the surviving spouse of such deceased Account Participant, if any,
      or

(b)   if there shall be no surviving spouse, for the surviving children of such
      deceased Account Participant, if any, in equal portions, or

(c)   if there shall be no surviving spouse or surviving child, and subject to
      (d) below for the estate of such deceased Account Participant, or

(d)   if no executor or administrator shall have been appointed for the estate
      of such deceased Account Participant within six months following the date
      of the Account Participant's death, in equal portions for the person or
      persons who would be entitled under the intestate succession laws of the
      state or county of the Account Participant's domicile to receive the
      Account Participant's personal estate.

                                       16
<PAGE>
 
                                   ARTICLE 9
                   ACCOUNT PARTICIPANTS' STOCKHOLDER RIGHTS

SECTION 9.1:   VOTING RIGHTS

The Account Participant shall have no right with respect to voting of the Shares
in his Individual Account, except after the Account Participant is vested.



                                   ARTICLE 10
                                   SUCCESSORS

SECTION 10.1:   CONTINUANCE BY A SUCCESSOR

In the event that the Company shall be reorganized by way of merger,
consolidation, transfer of assets or otherwise, so that another corporation
other than the Company shall succeed to all or a portion of such Company's
business, such successor may be substituted for such Company under the Plan by
adopting the Plan.

                                       17
<PAGE>
 
                                  ARTICLE 11
                                 MISCELLANEOUS

SECTION 11.1:   EXPENSES

The Custodian is authorized and directed to pay from the Custodial Account, all
costs and expenses incurred in administering the Plan, including the fees of
counsel, fees of any agents for the Custodian, the fees and expenses of the
Custodian, recordkeeper, and other administrative expenses to the extent such
expenses are not paid by the Company and to charge the Individual Accounts of
the Account Participants.

SECTION 11.2:   NON-TRANSFERABILITY AND NON-ASSIGNABILITY

It is a condition of the Plan, and all rights of each Account Participant (and
Beneficiary) shall be subject thereto, that no right or interest of any Account
Participant (or Beneficiary) in the Plan shall be assignable or transferable in
whole or in part, either directly, by operation of law or otherwise, including,
but not limited to, execution, levy, garnishment, attachment, pledge or
bankruptcy, but excluding devolution by death or mental incompetency, and no
right or interest of any Account Participant (or Beneficiary) in the Plan shall
be liable for, or subject to, any obligation or liability of such Account
Participant (or Beneficiary), including, without prejudice to the generality of
the foregoing, claims for alimony or the support of any spouse.

SECTION 11.3:   EMPLOYMENT NON-CONTRACTUAL

The adoption and maintenance of the Plan shall not be deemed to constitute a
contract between the Company and any Participant to continue the Plan. The Plan
confers no right upon any Employee to continue in the employment with the
Company or the Controlled Subsidiaries.

                                       18
<PAGE>
 
SECTION 11.4:   LIMITATION OF RIGHTS

An Account Participant (or Beneficiary) shall have no right (legal or
equitable), title or claim in or to any specific asset of the Custodial Account,
but shall have the right only to distributions from the Custodial Account on the
terms and conditions herein provided.

SECTION 11.5:   MERGER OR CONSOLIDATION WITH ANOTHER PLAN

If the Plan shall merge or consolidate with, or transfer its assets held by the
Custodian to, any other plan, each Account Participant shall be entitled to
participate in the successor plan immediately after such merger, consolidation,
or transfer upon the terms therein set forth provided that each Participant
shall be vested with benefits that are equal to or greater than the benefit
which he would have been entitled to receive immediately before such merger,
consolidation, or transfer (assuming that the Plan had been terminated) and
participation at such level shall extinguish any rights of the Participant to
receive benefits under this Plan.

                                  ARTICLE 12
                           AMENDMENT AND TERMINATION

SECTION 12.1:   AMENDMENT

The Company may at any time and from time to time amend the Plan by written
instrument duly adopted by the Board of Directors or such committee or delegate
that the Board so empowers, provided, however, that no amendment may be made
which will adversely affect the rights and duties of the Custodian without the
consent of the Custodian or the rights of the Account Participants already
acquired under the Plan.

                                       19
<PAGE>
 
SECTION 12.2:   TERMINATION

The Company may terminate the Plan in its entirety. Such termination shall be
made under a written instrument duly adopted by the Board of Directors. Upon
receipt of a copy of written confirmation of termination or withdrawal as the
case may be, the Custodian shall proceed as follows: In the event of
termination, the Individual Accounts of the Account Participants shall become
fully vested. The Custodian shall determine the portion of the Custodial Account
held by the Custodian which is applicable to each Account Participant or the
Beneficiary and distribute such portion in accordance with Article 8.

SECTION 12.3:   EFFECTIVE DATE OF TERMINATION

The termination of the Plan by the Company shall be effective as of the date
specified in the resolution providing therefore and shall be binding upon all
Participants (and their Beneficiaries), the Custodian and any other parties in
interest.

SECTION 12.4:   IMMUNITY OF CORPORATION, SUBSIDIARY OR OTHER FIDUCIARY

Except as otherwise provided by the law, neither the establishment of the Plan
created hereunder or the Custodial Account nor any modification thereof, nor the
creation of any fund or account or the purchase of distribution of any Shares,
shall be construed as giving to any Participant any legal or equitable right
against the Company, a Controlled Subsidiary or any officer, director, employee
or agent of the Company or a Controlled Subsidiary, or any fiduciary, except as
provided in this Plan.

SECTION 12.5:   GOVERNING LAW

                                       20
<PAGE>
 
The Plan shall be governed by the provisions herein and construed in accordance
with the laws of State of Wisconsin.

                                       21
<PAGE>
 
IN WITNESS WHEREOF, the Company, to evidence adoption of the Plan, has caused
this instrument to be signed and its corporate seal hereto affixed by its
authorized officers, all on this _______ day of __________________, 1997.

MARQUETTE MEDICAL SYSTEMS, INC.

By:    ______________________________________

Name:  ______________________________________

Title: ______________________________________

ATTEST:

By:    ______________________________________

Name:  ______________________________________

Title: ______________________________________

                                       22
<PAGE>
 
                                  ADDENDUM I

  THE TERMS FOR THE OPERATION OF THE PLAN IN RELATION TO THE PARTICIPANTS IN
                                   AUSTRALIA

These terms are made under the Marquette Medical Systems Global Employee
Performance Plan. All the provisions of the Plan apply to the Participants of
the Participating Employer resident in Australia, except to the extent modified
under this Addendum.

The following modifications are made:

1.   SECTION 2.1(8) IS MODIFIED TO READ AS FOLLOWS:

       "(8)

Effective Date - The Effective Date of this Plan will be May 1, 1998 with the
- --------------
first Plan Year beginning on May 1, 1998 and ending on April 30, 1999 and the
first payout being determined under Sections 4.2 and 4.3 on the Allocation Date
in the calendar year 1998."

                                       23

<PAGE>
 
                                                                   EXHIBIT 10.19
                                                                   -------------

                           INDEMNIFICATION AGREEMENT
                           -------------------------



     Indemnification Agreement made and entered into this 27th day of February,
1998 ("Agreement"), by and between MARQUETTE MEDICAL SYSTEMS, INC., a Wisconsin
corporation (the "Company"), and FREDERICK A. ROBERTSON, Indemnitee
("Indemnitee"):

     WHEREAS, highly competent persons are becoming more reluctant to serve
publicly-held corporations as directors or in other capacities unless they are
provided with adequate protection through insurance and indemnification against
inordinate risks of claims and actions against them arising out of their service
to and activities on behalf of the corporation;

     WHEREAS, the difficulties of obtaining adequate insurance and uncertainties
relating to indemnification have increased the difficulty of attracting and
retaining such persons;

     WHEREAS, Sections 180.0850 through 180.0859 of the Wisconsin Business
Corporation Law provide mandatory and permissive indemnification to be
afforded by Wisconsin corporations to their directors;

     WHEREAS, the Board of Directors of the Company has determined that the
inability to attract and retain such persons is detrimental to the best
interests of the Company's stockholders and that the Company should act to
assure such persons that there will be increased certainty of such protection in
the future by providing, in addition to indemnification provided by law, the
Company's agreement as to additional indemnification rights;

     WHEREAS, it is reasonable, prudent, and necessary for the Company
contractually to obligate itself to indemnify such persons to the fullest extent
permitted by applicable law so that they will serve or continue to serve the
Company free from undue concern that they will not be so indemnified; and

     WHEREAS, Indemnitee is willing to serve, continue to serve, and to take on
additional service for or on behalf of the Company on the condition that he be
so indemnified;

     NOW, THEREFORE, in consideration of the premises and the covenants
contained herein, the Company and Indemnitee do hereby covenant and agree as
follows:
<PAGE>
 
     Section 1.  Services by Indemnitee.  Indemnitee agrees to serve as a
                 ----------------------                                  
director, officer, employee, or agent of the Company. Indemnitee may at any time
and for any reason resign from such position (subject to any other contractual
obligation or other obligation imposed by operation of law), in which event the
Company shall have no obligation under this Agreement to continue Indemnitee
in any such position.

     Section 2.  Indemnification.  The Company shall indemnify Indemnitee to the
                 ---------------                                                
fullest extent permitted by applicable law in effect on the date hereof or as
such laws may from time to time be amended.  Without diminishing the scope of
the indemnification provided by this Section 2, the rights of indemnification of
Indemnitee provided hereunder shall include, but shall not be limited to, those
rights set forth hereinafter, except to the extent expressly prohibited by
applicable law.

     Section 3.  Action or Proceeding Other than an Action by or in the Right of
                 ---------------------------------------------------------------
the Company.  In addition to the indemnification of Indemnitee provided pursuant
- -----------                                                                     
to the other provisions hereof, Indemnitee shall be entitled to the
indemnification rights provided in this Section 3 if he is a party or is
threatened to be made a party to any threatened, pending, or completed action,
suit, or proceeding, whether civil, criminal, administrative, or investigative
in nature, other than an action by or in the right of the Company, by reason of
the fact that he is or was a director, officer, employee, agent, or fiduciary of
the Company or is or was serving at the request of the Company as a director,
officer, employee, agent, or fiduciary of any other entity or by reason of
anything done or not done by him in such capacity.  Pursuant to this Section 3,
Indemnitee shall be indemnified against all expenses (including attorneys'
fees), costs, judgments, penalties, fines, and amounts paid in settlement
actually and reasonably incurred by him in connection with such action, suit, or
proceeding (including, but not limited to, the investigation, defense, or appeal
thereof), unless such amounts were incurred because the director breached or
failed to perform a duty owed to the Company and the breach or failure to
perform constitutes:

          (a)  a willful failure to deal fairly with the Company or its
     shareholders in connection with a matter in which the director has a
     material conflict of interest;

          (b)  a violation of the criminal law, unless the director had
     reasonable cause to believe that his conduct was lawful or no reasonable
     cause to believe that his conduct was unlawful;

                                       1
<PAGE>
 
          (c)  a transaction from which the director derived an improper
     personal profit; or

          (d)  willful misconduct.

     Section 4.  Actions by or in the Right of the Company.  In addition to the
                 -----------------------------------------                     
indemnification of Indemnitee provided pursuant to the other provisions hereof,
Indemnitee shall be entitled to the indemnification rights provided in this
Section 4 if he is a person who was or is made a party or is threatened to be
made a party to any threatened, pending, or completed action or suit brought by
or in the right of the Company to procure a judgment in its favor by reason of
the fact that he is or was a director, officer, employee, agent, or fiduciary of
the Company or is or was serving at the request of the Company as a director,
officer, employee, agent, or fiduciary of any other entity by reason of anything
done or not done by him in any such capacity.  Pursuant to this Section 4,
Indemnitee shall be indemnified against all expenses (including attorneys' fees)
and costs actually and reasonably incurred by him in connection with such action
or suit (including, but not limited to, the investigation, defense, settlement,
or appeal thereof), unless such amounts were incurred because the director
breached or failed to perform a duty owed to the Company and the breach or
failure to perform constitutes:

          (a)  a willful failure to deal fairly with the Company or its
     shareholders in connection with a matter in which the director has a
     material conflict of interest;

          (b)  a violation of the criminal law, unless the director had
     reasonable cause to believe that his conduct was lawful or no reasonable
     cause to believe that his conduct was unlawful;

          (c)  a transaction from which the director derived an improper
     personal profit; or

          (d)  willful misconduct.

     Section 5.  Indemnification for Costs, Charges, and Expenses of Successful
                 --------------------------------------------------------------
Party.  Notwithstanding the other provisions of this Agreement and in addition
- -----                                                                         
to the rights to indemnification set forth elsewhere herein, to the extent that
Indemnitee has served as a witness on behalf of the Company or has been
successful on the merits or otherwise, including, without limitation, the
dismissal of an action without prejudice, in defense of any action, suit, or
proceeding referred to in Sections 3 and 4 hereof, or in defense of any claim,
issue, or matter therein, he shall be indemnified against all costs, charges,
and expenses (including attorneys'

                                       2
<PAGE>
 
fees) actually and reasonably incurred by him or on his behalf in connection
therewith.

     Section 6. Partial Indemnification.  In addition to the rights to
                -----------------------                               
indemnification set forth elsewhere herein, if Indemnitee is only partially
successful in the defense, investigation, settlement, or appeal of any action,
suit, investigation, or proceeding described in Section 3 or 4 hereof, and as a
result, is not entitled under the other provisions of this Agreement to
indemnification by the Company for the total amount of the expenses (including
attorneys' fees), costs, judgments, penalties, fines, and amounts paid in
settlement actually and reasonably incurred by him, the Company shall
nevertheless indemnify Indemnitee, as a matter of right pursuant to Section 5
hereof, to the extent Indemnitee has been partially successful.

     Section 7.  Determination of Entitlement to Indemnification. Upon written
                 -----------------------------------------------              
request by Indemnitee for indemnification pursuant to this Agreement, the
entitlement of Indemnitee to indemnification pursuant to the terms of this
Agreement shall be determined by the following person or persons who shall be
empowered to make such determination:

          (a)  by a majority vote of a quorum of the Board of Directors
     consisting of directors who are not at the time parties to the same or
     related proceedings; provided, however, that if a quorum of disinterested
     directors cannot be obtained, by a majority vote of a committee duly
     appointed by the Board of Directors and consisting solely of two or more
     directors who are not at the time parties to the same or related
     proceedings, directors who are parties to the same or related proceedings
     being able to participate in the designation of members of the committee;

          (b)  by independent legal counsel selected by a quorum of the Board of
     Directors or its committee in the manner prescribed in (a) above or, if
     unable to obtain such a quorum or committee, by a majority vote of the full
     Board of Directors, including directors who are parties to the same or
     related proceedings;

          (c)  by a panel of three arbitrators consisting of one arbitrator
     selected by those directors entitled under (b) above to select independent
     legal counsel, one arbitrator selected by the director seeking
     indemnification, and one arbitrator selected by the two arbitrators
     previously selected.

                                       3
<PAGE>
 
          (d)  by an affirmative vote of shares determined in accordance with
     Section 180.0725 of the Wisconsin Business Corporation Law, shares owned by
     or voted under the control of persons who are at the time parties to the
     same or related proceedings, whether as plaintiffs or defendants, or in any
     other capacity, being ineligible to vote in making the determination;

          (e)  by a court pursuant to Section 180.0854 of the Wisconsin Business
     Corporation Law.

Any costs or expenses (including attorneys' fees) incurred by Indemnitee in
connection with his request for indemnification hereunder shall be borne by the
Company.  The Company hereby indemnifies and agrees to hold Indemnitee harmless
therefrom irrespective of the outcome of the determination of Indemnitee's
entitlement to indemnification.  If the person making such determination shall
determine that Indemnitee is entitled to indemnification as to part (but not
all) of the application for indemnification, such person shall reasonably
prorate such partial indemnification among such claims, issues, or matters.

     Section 8. Presumptions and Effect of Certain Proceedings. The Secretary of
                ----------------------------------------------                  
the Company shall, promptly upon receipt of Indemnitee's request for
indemnification, advise in writing the Board of Directors or such other person
or persons empowered to make the determination as provided in Section 7 that
Indemnitee has made such request for indemnification.  Upon making such request
for indemnification, Indemnitee shall be presumed to be entitled to
indemnification hereunder and the Company shall have the burden of proof in the
making of any determination contrary to such presumption.  If the person or
persons so empowered to make such determination shall have failed to make the
requested indemnification within sixty (60) days after receipt by the Company of
such request, the requisite determination of entitlement to indemnification
shall be deemed to have been made and Indemnitee shall be absolutely entitled to
such indemnification, absent actual and material fraud in the request for
indemnification.  The termination of any action, suit, investigation, or
proceeding described in Section 3 or 4 hereof by judgment, order, settlement, or
conviction, or upon a plea of nolo contendere or its equivalent, shall not, of
                              ---------------                                 
itself: (a) create a presumption that Indemnitee did not act in good faith and
in a manner which he reasonably believed to be in or not opposed to the best
interests of the Company, and, with respect to any criminal action or
proceeding, that Indemnitee had reasonable cause to believe that his conduct was
unlawful; or (b) otherwise adversely affect the rights of Indemnitee to
indemnification except as may be provided herein.

                                       4
<PAGE>
 
     Section 9. Advance of Expenses and Costs.  All reasonable expenses and
                -----------------------------                              
costs incurred by Indemnitee (including attorneys' fees, retainers, and advances
of disbursements required of Indemnitee) shall be paid by the Company in advance
of the final disposition of such action, suit, or proceeding at the request of
Indemnitee within twenty (20) days after the receipt by the Company of a
statement or statements from Indemnitee requesting such advance or advances from
time to time.  Indemnitee's entitlement to such expenses shall include those
incurred in connection with any proceeding by Indemnitee seeking an adjudication
or award in arbitration pursuant to this Agreement.  Such statement or
statements shall reasonably evidence the expenses and costs incurred by him in
connection therewith and shall include or be accompanied by an undertaking by or
on behalf of Indemnitee to repay such amount if it is ultimately determined that
Indemnitee is not entitled to be indemnified against such expenses and costs by
the Company as provided by this Agreement or otherwise.

     Section 10.  Remedies of Indemnitee in Cases of Determination not to
                  -------------------------------------------------------
Indemnify or to Advance Expenses.  In the event that a determination is made
- --------------------------------                                            
that Indemnitee is not entitled to indemnifi  cation hereunder or if payment has
not been timely made following a determination of entitlement to indemnification
pursuant to Sections 7 and 8, or if expenses are not advanced pursuant to
Section 9, Indemnitee shall be entitled to a final adjudication in an
appropriate court of the State of Wisconsin or any other court of competent
jurisdiction of his entitlement to such indemnification or advance.
Alternatively, Indemnitee at his option may seek an award in arbitration to be
conducted by a single arbitrator pursuant to the rules of the American
Arbitrator Association, such award to be made within sixty (60) days following
the filing of the demand for arbitration.  The Company shall not oppose
Indemnitee's right to seek any such adjudication or award in arbitration or any
other claim but may oppose such claim.  Such judicial proceeding or arbitrator
shall be made de novo and Indemnitee shall not be prejudiced by reason of a
              -------                                                      
determination (if so made) that he is not entitled to indemnification.  If a
determination is made or deemed to have been made pursuant to the terms of
Section 7 or Section 8 hereof that Indemnitee is entitled to indemnification,
the Company shall be bound by such determination and is precluded from asserting
that such determination has not been made or that the procedure by which such
determination was made is not valid, binding, and enforceable.  The Company
further agrees to stipulate in any such court or before any such arbitrator that
the Company is bound by all the provisions of this Agreement and is precluded
from making any assertion to the contrary.  If the court or arbitrator shall
determine that Indemnitee is entitled to any indemnification hereunder, the
Company shall pay all reasonable expenses (including

                                       5
<PAGE>
 
attorneys' fees) and costs actually incurred by Indemnitee in connection with
such adjudication or award in arbitration (including, but not limited to, any
appellate proceedings).

     Section 11.  Other Rights to Indemnification.  The indemnification and
                  -------------------------------                           
advancement of expenses (including attorneys' fees) and costs provided by this
Agreement shall not be deemed exclusive of any other rights to which Indemnitee
may now or in the future be entitled under any provision of the By-Laws,
agreement, provision of the Articles of Incorporation, vote of stockholders or
disinterested directors, provision of law, or otherwise.

     Section 12. Attorneys' Fees and Other Expenses to Enforce Agreement.  In
                 -------------------------------------------------------     
the event that Indemnitee is subject to or intervenes in any proceeding in
which the validity or enforceability of this Agreement is at issue or seeks an
adjudication or award in arbitration to enforce his rights under, or to recover
damages for breach of this Agreement, Indemnitee, if he prevails in whole or in
part in such action, shall be entitled to recover form the Company and shall be
indemnified by the Company against, any actual expenses for attorneys' fees and
disbursements reasonably incurred by him.

     Section 13. Duration of Agreement.  This Agreement shall continue until and
                 ---------------------                                          
terminate upon the later of:  (a) ten (10) years after Indemnitee has ceased to
occupy any of the positions or have any of the relationships described in
Sections 3 and 4 of this Agreement; and (b) the final termination of all pending
or threatened actions, suits, proceedings, or investigations with respect to
Indemnitee.  This Agreement shall be binding upon the Company and its successors
and assigns and shall inure to the benefit of Indemnitee and his spouse,
assigns, heirs, devises, executors, administrators, or other legal
representatives.

     Section 14.  Severability.  If any provision or provisions of this
                  ------------                                         
Agreement shall be held to be invalid, illegal, or unenforceable for any
reason whatsoever:  (a) the validity, legality, and enforceability of the
remaining provisions of this Agreement (including without limitation, all
portions of any paragraphs of this Agreement containing any such provision held
to be invalid, illegal, or unenforceable) shall not in any way be affected or
impaired thereby; and (b) to the fullest extent possible, the provisions of this
Agreement (including, without limitation, all portions of any paragraph of this
Agreement containing any such provision held to be invalid, illegal, or
unenforceable, that are not themselves invalid, illegal, or unenforceable) shall
be construed so as to give effect to the intent manifested by the provision held
invalid, illegal, or unenforceable.

                                       6
<PAGE>
 
     Section 15.  Identical Counterparts.  This Agreement may be executed in one
                  ----------------------                                        
or more counterparts, each of which shall for all purposes be deemed to be an
original, but all of which together shall constitute one and the same Agreement.
Only one such counterpart signed by the party against whom enforceability is
sought needs to be produced to evidence the existence of this Agreement.

     Section 16.  Headings.  The headings of the paragraphs of this Agreement
                  --------                                                   
are inserted for convenience only and shall not be deemed to constitute part of
this Agreement or to affect the construction thereof.

     Section 17.  Modification and Waiver.  No supplement, modification, or
                  -----------------------                                  
amendment of this Agreement shall be binding unless executed in writing by both
of the parties hereto.  No waiver of any of the provisions of this Agreement
shall be deemed or shall constitute a waiver of any other provisions hereof
(whether or not similar) nor shall such waiver constitute a continuing waiver.

     Section 18.  Notice by Indemnitee.  Indemnitee agrees promptly to notify
                  --------------------                                       
the Company in writing upon being served with any summons, citation, subpoena,
complaint, indictment, information, or other document relating to any matter
which may be subject to indemnification covered hereunder, either civil,
criminal, or investigative.

     Section 19.  Notices.  All notices, requests, demands, and other
                  -------                                            
communications hereunder shall be in writing and shall be deemed to have been
duly given if (i) delivered by and receipted for by the party to whom said
notice or other communication shall have been directed or if (ii) mailed by
certified or registered mail with postage prepaid, on the third business day
after the date on which it is so mailed:

     (a)  If to Indemnitee, to:    108W Ironwood Lane
                                   Mequon, Wisconsin  53092

     (b)  If to the Company, to:   Marquette Medical
                                   Systems, Inc.
                                   8200 West Tower Avenue
                                   Milwaukee, Wisconsin 53223

or to such other address as may have been furnished to Indemnitee by the Company
or to the Company by Indemnitee, as the case may be.

                                       7
<PAGE>
 
     Section 20. Governing Law.  The parties agree that this Agreement shall be
                 -------------                                                 
governed by, and construed and enforced in accordance with, the laws of the
State of Wisconsin, without giving effect to conflicts of law.

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement on the
day and year first above written.

                                            MARQUETTE MEDICAL SYSTEMS, INC.



                                            By:_________________________________

                                                  Michael J. Cudahy,
                                                  Chairman of the Board



                                            ____________________________________

                                            Frederick A. Robertson, Indemnitee

                                       8

<PAGE>
 
                                                                   EXHIBIT 10.20

                        MARQUETTE MEDICAL SYSTEMS, INC.

                        PROFIT SHARING AND 401(K) PLAN

                        EFFECTIVE AS OF JANUARY 1, 1998



                                                                     
<PAGE>
 
                        MARQUETTE MEDICAL SYSTEMS, INC.

                        PROFIT SHARING AND 401(K) PLAN

                               TABLE OF CONTENTS
                               -----------------

<TABLE>
<CAPTION>
                                                                            Page
<S>                                                                         <C>
ARTICLE I.  DEFINITIONS AND CONSTRUCTION.................................... 1
     Section 1.01.   Definitions............................................ 1
     Section 1.02.   Constructions.......................................... 5
                                                                             
ARTICLE II.  ELIGIBILITY AND PARTICIPATION.................................. 6
     Section 2.01.   Eligibility............................................ 6
     Section 2.02.   Status of Leased Employees............................. 6
                                                                             
ARTICLE III.  CONTRIBUTIONS................................................. 7
     Section 3.01.   401(k) Contributions................................... 7
     Section 3.02.   Employer Matching Contributions........................ 8
     Section 3.03.   Profit Sharing Contributions........................... 9
     Section 3.04.   Maximum Annual Additions...............................10
     Section 3.05.   Rollovers..............................................12

ARTICLE IV.  PARTICIPANT ACCOUNTS; INVESTMENT OF ACCOUNTS...................13
     Section 4.01.   Establishment of Accounts..............................13
     Section 4.02.   Investment of Accounts.................................13
     Section 4.03.   Allocations to Matching Contributions
                       and Profit Sharing Accounts..........................14
     Section 4.04.   Valuation of Accounts..................................14

ARTICLE V.  VESTING AND FORFEITURES.........................................15
     Section 5.01.   Calculation of Vesting Service.........................15
     Section 5.02.   Effect of Breaks in Service............................15
     Section 5.03.   Vesting in 401(k) Contributions, Matching
                       Contributions and Rollover Accounts..................15

ARTICLE VI.  DISTRIBUTION OF BENEFITS.......................................17
     Section 6.01.   Distribution Upon Termination of Employment............17
</TABLE>

                                       i
<PAGE>
 
<TABLE>
<S>                                                                        <C>
     Section 6.02.   Death.................................................17
     Section 6.03.   Time of Distributions.................................17
     Section 6.04.   Form of Distributions.................................18
     Section 6.05.   Eligible Rollover Distributions.......................18
</TABLE>
                                      ii
<PAGE>
 
<TABLE>
<S>                                                                        <C>
ARTICLE VII.   WITHDRAWALS AND LOANS.......................................20
     Section 7.01.   In-Service Withdrawals................................20
     Section 7.02.   Age 60 Withdrawal and Diversification Alternatives....20
     Section 7.03    Loans to Participants.................................20
     Section 7.04.   Time and Manner of Distribution.......................22

ARTICLE VIII.  PLAN ADMINISTRATION.........................................23
     Section 8.01.   Company Authority and Responsibility..................23
     Section 8.02.   Administration........................................23
     Section 8.03.   Agent for Service of Process..........................25
     Section 8.04.   Marquette Stock Fund..................................25

ARTICLE IX.    TRUSTEE AND TRUST FUND......................................26
     Section 9.01.   Trustee Removal and/or Resignation and Successors.....26
     Section 9.02.   Investment Funds......................................26
     Section 9.03.   Investment of the Trust Fund..........................26
     Section 9.04.   Trustees Power and Duties.............................27
     Section 9.05.   Payments from the Trust Fund..........................27

ARTICLE X      AMENDMENT AND TERMINATION...................................28
     Section 10.01.  Amendment and Termination.............................28

ARTICLE XI.    MISCELLANEOUS...............................................29
     Section 11.01.  Plan is Voluntary.....................................29
     Section 11.02.  Non-Guarantee of Employment...........................29
     Section 11.03.  Rights to Trust Assets................................29
     Section 11.04.  Non-Alienation........................................29
     Section 11.05.  Indemnification.......................................30
     Section 11.06.  Facility of Payment...................................30
     Section 11.07   Board Action..........................................30
     Section 11.08.  Mergers, Consolidations and Transfer of Plan Assets...30
     Section 11.09.  Fiduciaries...........................................30

ARTICLE XII.   TOP-HEAVY PLAN PROVISIONS...................................31
     Section 12.01.  Effect of Top-Heavy Status............................31
     Section 12.02.  Additional Definitions................................32
     Section 12.03.  Vesting...............................................32
</TABLE>

                                      iii
<PAGE>
 
<TABLE>
<S>                                                                        <C>
     Section 12.04   Minimum Benefits......................................33
     Section 12.05.  Maximum Benefit Limits................................33

APPENDIX A.................................................................34
RESOLUTION AMENDMENT I.....................................................36
</TABLE>

                                      iv
<PAGE>
 
                        MARQUETTE MEDICAL SYSTEMS, INC.

                        PROFIT SHARING AND 401(k) PLAN



                             STATEMENT OF PURPOSE


The purpose of this Plan document is to continue and update the provisions of
the Plan as in effect prior to January 1, 1998. This Plan is the continuation of
the Marquette Electronics, Inc. Profit Sharing and 401(k) Plan, which was
originally effective May 1, 1987 and the Marquette Electronics, Inc. Employee
Stock Ownership Plan, which was merged into the Profit Sharing Plan effective
April 30, 1993.
<PAGE>
 
                                   ARTICLE I

                         DEFINITIONS AND CONSTRUCTION

     Section 1.01. Definitions.
     ------------              

  For purposes of the Plan, unless the context clearly or necessarily indicates
the contrary, the following words and phrases shall have the meanings set forth
in the definitions below:

     (a)  Accounts shall mean the separate accounts to be maintained under the
Plan for each Participant as provided in Section 4.01.(a) Accounts shall mean
the separate accounts to be maintained under the Plan for each Participant as
provided in Section 4.01.

     (b)  Affiliate or Affiliates shall mean each Employer and each other
corporation or unincorporated business in a controlled group of corporations, a
group of trades or businesses under common control or an affiliated service
group (within the meaning of Section 414(b), (c) or (m) of the Code) which
includes the Employer.(b)  Affiliate or Affiliates shall mean each Employer and
each other corporation or unincorporated business in a controlled group of
corporations, a group of trades or businesses under common control or an
affiliated service group (within the meaning of Section 414(b), (c) or (m) of
the Code) which includes the Employer.

     (c)  Beneficiary shall mean the person, trust and/or other entity entitled
to receive benefits hereunder in the event of the Participant's death as
provided in Section 6.02.(c)

     Beneficiary shall mean the person, trust and/or other entity entitled to
receive benefits hereunder in the event of the Participant's death as provided
in Section 6.02.

     (d)  Board shall mean the Board of Directors of the Company.(d)  Board
shall mean the Board of Directors of the Company.

     (e)  Break in Service shall mean at least five consecutive Years of Break
in Service.(e) Break in Service shall mean at least five consecutive Years of
Break in Service.

     (f)  Code shall mean the Internal Revenue Code of 1986, as amended.(f) Code
shall mean the Internal Revenue Code of 1986, as amended.

     (g)  Company shall mean Marquette Medical Systems, Inc., and any successor
thereto which adopts this Plan.(g)  Company shall mean Marquette Medical
Systems, Inc., and any successor thereto which adopts this Plan.

     (h)  Compensation shall mean salary or wages, reported as taxable on Form
W-2, plus any Participant 401(k) contributions and any salary reduction pursuant
to Code Section 125, but

                                       1
<PAGE>
 
excluding overtime premiums, reimbursements or other expense allowances,
including fringe benefits, moving expenses and welfare benefits paid with
respect to a Plan Year by the Employer to an Employee for services performed
during such Plan Year; provided, however, that with respect to a Plan Year
during which an Employee first becomes eligible (or, in the event of
reemployment and/or one or more Years of Break in Service, regains his
eligibility) to participate hereunder, Compensation shall be determined from and
after the date as of which such Employee's participation hereunder commences.
The maximum annual compensation taken into account hereunder for purposes of
calculating any Participant's accrued benefit (including the right to any
optional benefit) and for all other purposes under the Plan shall be the amount
permitted pursuant to Code Section 401(a)(17) as adjusted annually for cost-of-
living increases at such time and in such amount as may be determined by the
Secretary of the Treasury. Notwithstanding the foregoing, for purposes of
determining who is a Highly Compensated Employee under Section 1.01(s) and
calculating a Participant's average deferral and contribution ratios under
Article III, Compensation has the meaning set forth in Code Section 415(c)(3),
but prior to reduction on account of a Participant's Deposits to this Plan or
any other contributions not treated as taxable income by reason of Code Section
125 or 402(a)(8).(h) Compensation shall mean salary or wages, reported as
taxable on Form W-2, plus any Participant 401(k) contributions and any salary
reduction pursuant to Code Section 125, but excluding overtime premiums,
reimbursements or other expense allowances, including fringe benefits, moving
expenses and welfare benefits paid with respect to a Plan Year by the Employer
to an Employee for services performed during such Plan Year; provided, however,
that with respect to a Plan Year during which an Employee first becomes eligible
(or, in the event of reemployment and/or one or more Years of Break in Service,
regains his eligibility) to participate hereunder, Compensation shall be
determined from and after the date as of which such Employee's participation
hereunder commences. The maximum annual compensation taken into account
hereunder for purposes of calculating any Participant's accrued benefit
(including the right to any optional benefit) and for all other purposes under
the Plan shall be the amount permitted pursuant to Code Section 401(a)(17) as
adjusted annually for cost-of-living increases at such time and in such amount
as may be determined by the Secretary of the Treasury. Notwithstanding the
foregoing, for purposes of determining who is a Highly Compensated Employee
under Section 1.01(s) and calculating a Participant's average deferral and
contribution ratios under Article III, Compensation has the meaning set forth in
Code Section 415(c)(3), but prior to reduction on account of a Participant's
Deposits to this Plan or any other contributions not treated as taxable income
by reason of Code Section 125 or 402(a)(8).

     (i)  401(k) Contributions shall mean amounts contributed under the Plan by
or at the direction of Participants pursuant to Section 3.01.(i) 401(k)
Contributions shall mean amounts contributed under the Plan by or at the
direction of Participants pursuant to Section 3.01.

                                       2
<PAGE>
 
     (j)  Disability shall mean permanent and total disability, as a result of
which a Participant is unable to engage in any substantial gainful activity by
reason of any medically determinable physical or mental impairment which can be
expected to result in death or to be of long-continued and indefinite
duration.(j)  Disability shall mean permanent and total disability, as a result
of which a Participant is unable to engage in any substantial gainful activity
by reason of any medically determinable physical or mental impairment which can
be expected to result in death or to be of long-continued and indefinite
duration.

     (k)  Effective Date shall mean January 1, 1998.(k)  Effective Date shall
mean January 1, 1998.

     (l)  Employee shall mean any person who is both a common law  employee of
an Employer and who is treated by the Employer as such, except that the term
shall not include any nonresident alien who receives no earned income from the
Employer which constitutes income from sources within the United States.  (l)
Employee shall mean any person who is both a common law  employee of an Employer
and who is treated by the Employer as such, except that the term shall not
include any nonresident alien who receives no earned income from the Employer
which constitutes income from sources within the United States.

     (m)  Employer shall mean the Company and any Affiliate of the Company.
which, with Board approval, adopts this Plan.(m)  Employer shall mean the
Company and any Affiliate of the Company. which, with Board approval, adopts
this Plan.

     (n)  Employer Contributions shall mean both Employer Matching Contributions
and Profit Sharing Contributions hereunder.(n)  Employer Contributions shall
mean both Employer Matching Contributions and Profit Sharing Contributions
hereunder.

     (o)  Employer Matching Contributions shall mean amounts contributed by the
Employer pursuant to Section 3.02.(o)  Employer Matching Contributions shall
mean amounts contributed by the Employer pursuant to Section 3.02.

     (p)  Marquette Stock shall mean common stock of the Company, or any
Affiliate of the Company.(p)  Marquette Stock shall mean common stock of the
Company, or any Affiliate of the Company.

     (q)  Marquette Stock Fund shall mean an unsegregated fund to be primarily
invested in Marquette Stock.(q)  Marquette Stock Fund shall mean an unsegregated
fund to be primarily invested in Marquette Stock.

                                       3
<PAGE>
 
     (r)  ERISA shall mean the Employee Retirement Income Security Act of 1974,
as amended from time to time.(r)  ERISA shall mean the Employee Retirement
Income Security Act of 1974, as amended from time to time.

     (s)  Highly Compensated Employee shall mean any highly compensated active
employee and any highly compensated former employee.  A highly compensated
active employee includes any individual employed by an Affiliate who during the
immediately preceding Plan Year:(s)  Highly Compensated Employee shall mean any
highly compensated active employee and any highly compensated former employee.
A highly compensated active employee includes any individual employed by an
Affiliate who during the immediately preceding Plan Year:

          (i)  was a 5% owner of an Affiliate; or(i) was a 5% owner of an
     Affiliate; or

          (ii) received compensation from the Affiliates in excess of $85,000
     (or such higher amount permitted pursuant to Code Section 414(q)) and was
     among the 20% most Highly Compensated Employees of the Affiliates for the
     Plan Year.(ii)  received compensation from the Affiliates in excess of
     $85,000 (or such higher amount permitted pursuant to Code Section 414(q))
     and was among the 20% most Highly Compensated Employees of the Affiliates
     for the Plan Year.

          A highly compensated former employee includes any individual who
separated from service (or was deemed to have separated) prior to the current
Plan Year, performs no service for the Affiliates during the current Plan Year
and was a highly compensated active employee for either his separation year or
any Plan Year ending on or after the employee's 55th birthday.

     (t)  Hour of Service shall mean each hour for which an Employee is paid,
or entitled to payment, by the Affiliates for the performance of duties; each
hour for which an Employee is paid, or entitled to payment, by the Affiliates
for periods of time during which no duties are performed, except that no more
than 501 hours shall be credited for any single continuous period during which
no duties are performed; and each hour (if any) for which back pay is awarded or
agreed to by the Affiliates.  Hours of Service shall be computed and credited,
and shall not be less than the number of hours required to be credited, pursuant
to U.S. Department of Labor Regulations ' 2530.200b-2(b) and (c).(t)  Hour of
Service shall mean each hour for which an Employee is paid, or entitled to
payment, by the Affiliates for the performance of duties; each hour for which an
Employee is paid, or entitled to payment, by the Affiliates for periods of time
during which no duties are performed, except that no more than 501 hours shall
be credited for any single continuous period during which no duties are
performed; and each hour (if any) for 

                                       4
<PAGE>
 
which back pay is awarded or agreed to by the Affiliates. Hours of Service shall
be computed and credited, and shall not be less than the number of hours
required to be credited, pursuant to U.S. Department of Labor Regulations '
2530.200b-2(b) and (c).

     In addition to the foregoing provisions, an Employee shall receive Hour of
Service credit for the hours described in paragraphs (i) and (ii) below, if not
credited pursuant to the preceding paragraph of this subsection.

          (i)  Uncompensated hours, up to a maximum of 40 hours per week (but
     not more than the number of hours necessary to avoid a Year of Break in
     Service), for applicable holidays, vacations and periods of Approved Leaves
     of Absence, including:(i) Uncompensated hours, up to a maximum of 40 hours
     per week (but not more than the number of hours necessary to avoid a Year
     of Break in Service), for applicable holidays, vacations and periods of
     Approved Leaves of Absence, including:

               (A) absence for temporary illness or accident,(A)  absence for
          temporary illness or accident,

               (B) during receipt of benefits under the Affiliate's disability
          income plan, if any, and(B)  during receipt of benefits under the
          Affiliate's disability income plan, if any, and

               (C) absence for military service, but only to the extent, if
          any, required under applicable federal and state statutes and only if
          the Employee applies for reemployment within such time as he has
          reemployment rights under such statutes.(C)  absence for military
          service, but only to the extent, if any, required under applicable
          federal and state statutes and only if the Employee applies for
          reemployment within such time as he has reemployment rights under such
          statutes.

                                       5
<PAGE>
 
          (ii) Solely for purposes of determining whether a Year of Break in
     Service has occurred for participation and vesting purposes, hours while
     the Employee is absent from work for maternity or paternity reasons.  For
     purposes of this paragraph, an absence from work for maternity or paternity
     reasons means an absence:(ii)  Solely for purposes of determining whether a
     Year of Break in Service has occurred for participation and vesting
     purposes, hours while the Employee is absent from work for maternity or
     paternity reasons.  For purposes of this paragraph, an absence from work
     for maternity or paternity reasons means an absence:

               (A) by reason of the pregnancy of the Employee,(A)  by reason of
          the pregnancy of the Employee,

               (B) by reason of a birth of a child of the Employee,(B)  by
          reason of a birth of a child of the Employee,

               (C) by reason of the placement of a child with the Employee in
          connection with the adoption of such child by such Employee, or(C)  by
          reason of the placement of a child with the Employee in connection
          with the adoption of such child by such Employee, or

               (D) for purposes of caring for such child for a period beginning
          immediately following such birth or placement.(D)  for purposes of
          caring for such child for a period beginning immediately following
          such birth or placement.

An Employee shall receive credit under this paragraph for the hours which would
otherwise have been credited to the Employee but for the absence, or in any case
in which these hours cannot be determined, eight Hours of Service per day of the
absence.  The Hours of Service credited under this paragraph shall be credited
in the twelve consecutive calendar month computation period in which the absence
begins, if this crediting is necessary to prevent a Year of Break in Service in
that period or, in all other cases, in the following 12 consecutive calendar
month computation period.

     In computing an Employee's Hours of Service when a record of the Employee's
actual Hours of Service is not available, an Employee shall be credited with 10
Hours of Service for each day of employment for which the Employee would have
been required to be credited with one Hour of Service.

     (u)  Investment Funds shall mean one or more unsegregated funds established
pursuant to Section 9.02 and invested in securities, insurance contracts or
other property of such type and general characteristics as the Employer shall
determine.  The Marquette Stock Fund is

                                       6
<PAGE>
 
an Investment Fund. (u) Investment Funds shall mean one or more unsegregated
funds established pursuant to Section 9.02 and invested in securities, insurance
contracts or other property of such type and general characteristics as the
Employer shall determine. The Marquette Stock Fund is an Investment Fund.

     (v) Investment Manager shall mean any person, insurance company or
corporation appointed by the Employer to direct the investment and reinvestment
of all or any portion of the assets held by the Trustee under the Trust. (v)
Investment Manager shall mean any person, insurance company or corporation
appointed by the Employer to direct the investment and reinvestment of all or
any portion of the assets held by the Trustee under the Trust.

     (w) Normal Retirement Date shall mean the date on which the
Participant attains age 65. (w) Normal Retirement Date shall mean the date on
which the Participant attains age 65.

     (x) Participant shall mean an Employee who is eligible to make 401(k)
Contributions hereunder as provided in Sections 2.01 and 3.01.  The term shall
include any individual who was a Participant in the Plan immediately prior to
the Effective Date.  In no event, however, will an Employee who is a member of a
collective bargaining unit be a Participant unless the collective bargaining
agreement so provides. (x) Participant shall mean an Employee who is eligible to
make 401(k) Contributions hereunder as provided in Sections 2.01 and 3.01.  The
term shall include any individual who was a Participant in the Plan immediately
prior to the Effective Date. In no event, however, will an Employee who is a
member of a collective bargaining unit be a Participant unless the collective
bargaining agreement so provides.

     (y) Plan shall mean the Marquette Medical Systems, Inc. Profit Sharing and
401(k) Plan as set forth herein and as the same may be amended from time to
time. (y) Plan shall mean the Marquette Medical Systems, Inc. Profit Sharing and
401(k) Plan as set forth herein and as the same may be amended from time to
time.

     (z) Plan Year shall mean each 12 month period ending April 30. (z) Plan
Year shall mean each 12 month period ending April 30.

     (aa) Profit Sharing Contributions shall mean amounts contributed by
the Employer pursuant to Section 3.03. (aa) Profit Sharing Contributions shall
mean amounts contributed by the Employer pursuant to Section 3.03.

     (bb) Severance from Service shall mean the date of an Employee's death
or other termination of employment with the Employers and Affiliates. (bb)
Severance from Service shall mean the date of an Employee's death or other
termination of employment with the Employers and Affiliates.

                                       7
<PAGE>
 
      (cc)  Trust Fund shall mean the property which shall be held from time to
time by the Trustee in trust under the terms of this Agreement.(cc)  Trust Fund
shall mean the property which shall be held from time to time by the Trustee in
trust under the terms of this Agreement.

      (dd)  Trustee shall mean Norwest Bank, N.A., or any successor or
successors thereto designated pursuant to Section 9.01.(dd)  Trustee shall mean
Norwest Bank, N.A., or any successor or successors thereto designated pursuant
to Section 9.01.

      (ee)  Valuation Date shall mean each day of the year, or such other
periods, not less frequent than annual, which the Company designates.(ee)
Valuation Date shall mean each day of the year, or such other periods, not less
frequent than annual, which the Company designates.

      (ff)  Vesting Service shall mean service with an Affiliate that is counted
in determining the Participant's vested and nonforfeitable interest under the
Plan, as determined under Section 5.01.(ff)  Vesting Service shall mean service
with an Affiliate that is counted in determining the Participant's vested and
nonforfeitable interest under the Plan, as determined under Section 5.01.

      (gg)  Year of Break in Service shall mean a Plan Year, during which the
Employee is not employed with the Employer or an Affiliate for at least 501
Hours of Service.(gg)  Year of Break in Service shall mean a Plan Year, during
which the Employee is not employed with the Employer or an Affiliate for at
least 501 Hours of Service.

      (hh)  Years of Service shall mean the total Plan Years during which an
individual completed at least 1,000 Hours of Service for an Employer or
Affiliate.(hh)  Years of Service shall mean the total Plan Years during which an
individual completed at least 1,000 Hours of Service for an Employer or
Affiliate.

      Section 1.02.  Construction.
      -------------               

      (a)   Words used herein in the masculine gender shall include the feminine
and words used herein in the singular shall include the plural in all cases
where such would apply.  The words hereof, herein, hereunder and other similar
compounds of the word here shall refer to the entire Plan, not to a particular
article or section hereof.  Headings of articles, sections and subsections are
for convenience of reference only; they constitute no part of the Plan and are
not to be considered in the construction hereof.  All references to statutory
sections shall include the section so identified as amended from time to time or
any other statute of similar import.

      (b)   The Plan is intended to be a qualified profit-sharing plan with a
qualified cash or deferred arrangement meeting the requirements of Code Sections
401(a) and (k).  The Plan shall 

                                       8
<PAGE>
 
be interpreted so as to comply with the applicable requirements of ERISA and the
Code, where such requirements are not clearly contrary to the express terms
hereof. In all other respects, the Plan shall be construed and its validity
determined according to the laws of the State of Wisconsin to the extent such
laws are not preempted by applicable requirements of federal law. In case any
provision of this Agreement and/or the Plan shall be held illegal or invalid for
any reason, such illegality or invalidity shall not affect the remaining
provisions of this Agreement and/or the Plan, and this Agreement and/or the Plan
shall be construed and enforced as if said illegal or invalid provisions had
never been included herein. As provided in Section 8.02, the Company shall have
the ultimate discretionary authority to interpret the terms of the Plan.(b)  The
Plan is requirements of ERISA and the Code, where such requirements are not
clearly contrary to the express terms hereof. In all other respects, the Plan
shall be construed and its validity determined according to the laws of the
State of Wisconsin to the extent such laws are not preempted by applicable
requirements of federal law. In case any provision of this Agreement and/or the
Plan shall be held illegal or invalid for any reason, such illegality or
invalidity shall not affect the remaining provisions of this Agreement and/or
the Plan, and this Agreement and/or the Plan shall be construed and enforced as
if said illegal or invalid provisions had never been included herein. As
provided in Section 8.02, the Company shall have the ultimate discretionary
authority to interpret the terms of the Plan.

                                       9
<PAGE>
 
                            ARTICLE II.ARTICLE II.


                         ELIGIBILITY AND PARTICIPATION

                           Section 2.01.Eligibility.
                           ------------             
  An Employee shall be eligible to participate in the Plan on the May 1, August
1, November 1 or February 1 next following the date he becomes an Employee and
is regularly scheduled to work 20 or more hours per week. Employees who are not
regularly scheduled to work 20 or more hours per week will be eligible to
participate as of the May 1, August 1, November 1 or February 1 following an
eligibility period in which the Employee completes 1,000 or more Hours of
Service. The first eligibility period begins with an individuals date of hire by
an Affiliate. If 1,000 Hours of Service are not completed during that period,
subsequent periods are each Plan Year starting with the Plan Year after hire.

      Section 2.02.  Status of Leased Employees.  A person who is a leased
      ------------                                                        
employee within the meaning of Code Section 414(n) or (o) shall not be eligible
to participate in the Plan, but in the event such a person was participating or
subsequently becomes eligible to participate herein, credit shall be given for
the person's service as a leased employee of any Affiliate toward completion of
the Plan's eligibility and vesting requirements.

                                       10
<PAGE>
 
                                 ARTICLE III.

                                 CONTRIBUTIONS

      Section 3.01.  401(k) Contributions.
      ------------                       

      (a)   Subject to the limitations described in Section 3.05, any Employee
who is eligible to participate in the Plan may elect to have the Employer
contribute any whole percentage of his Compensation, to a maximum of 12%, as
401(k) Contributions, in lieu of paying such amounts as current cash
compensation. Such elections shall be effective as of the first day of the
payroll period following the day such elections are received, subject to any
uniform cut-off date established by the Administrator to permit processing of
the election. The maximum 401(k) Contribution hereunder for any Participant in
any calendar year shall be $10,000 (adjusted for cost-of-living increases
pursuant to Code Section 402(g)(5)). From time to time, but not less frequently
than monthly, the Employer shall remit Participants' 401(k) Contributions to the
Trustee. The Account of each Participant shall be credited with the amounts of
his contributions as such amounts are received by the Trustee.

                                       11
<PAGE>
 
      (b)   A Participant may elect to change the rate of his 401(k)
Contributions, including a complete suspension, effective as of the payroll
period following receipt of the election on or before any cut-off date
established by the Company to permit processing of elections.(b) A Participant
may elect to change the rate of his 401(k) Contributions, including a complete
suspension, effective as of the payroll period following receipt of the election
on or before any cut-off date established by the Company to permit processing of
elections.

      (c)   The Company shall, from time to time, establish a maximum deferred
amount respecting Participant 401(k) Contributions. Such maximum deferred amount
may vary during each payroll period and for each Participant. If a Participant
shall designate any amount or rate of 401(k) Contributions in excess of the
applicable maximum deferred amount established for his 401(k) Contributions,
such designation shall not be invalid, but shall be effective to designate a
rate of 401(k) Contributions equal to the applicable maximum deferred amount.
Without limiting the generality of the foregoing, the average rate, expressed as
a percentage of compensation as defined in Code Section 414(s), by Participants
who are Highly Compensated Employees shall not exceed a rate equal to the
average rate of 401(k) contributions for the preceding Plan Year by all
Participants who were not Highly Compensated Employees in that Plan Year,
multiplied by the greater of:(c) The Company shall, from time to time, establish
a maximum deferred amount respecting Participant 401(k) Contributions. Such
maximum deferred amount may vary during each payroll period and for each
Participant. If a Participant shall designate any amount or rate of 401(k)
Contributions in excess of the applicable maximum deferred amount established
for his 401(k) Contributions, such designation shall not be invalid, but shall
be effective to designate a rate of 401(k) Contributions equal to the applicable
maximum deferred amount. Without limiting the generality of the foregoing, the
average rate, expressed as a percentage of compensation as defined in Code
Section 414(s), by Participants who are Highly Compensated Employees shall not
exceed a rate equal to the average rate of 401(k) contributions for the
preceding Plan Year by all Participants who were not Highly Compensated
Employees in that Plan Year, multiplied by the greater of:

      (i)   1.25 times such average rate; or(i)   1.25 times such average rate;
or

      (ii)  the lesser of (A) 2.0 times such average rate or (B) such average
rate plus 2%, subject to such other applicable limit as may be prescribed by the
Secretary of the Treasury to prevent the multiple use of this alternative
limitation.(ii) the lesser of (A) 2.0 times such average rate or (B) such
average rate plus 2%, subject to such other applicable limit as may be
prescribed by the Secretary of the Treasury to prevent the multiple use of this
alternative limitation.

                                       12
<PAGE>
 
      (d)   In order to ensure the favorable tax treatment of 401(k)
Contributions hereunder pursuant to Code Section 401(k) or to ensure compliance
with Code Section 402(g) or 415, the Company in its discretion may prospectively
decrease the rate of 401(k) Contributions of any Participant at any time and may
direct the Trustee to refund 401(k) Contributions to any Participant. Any excess
contributions, determined (i) after use of qualified nonelective contributions
as helpful in the actual deferral percentage test, and (ii) by leveling the
highest contribution amounts until the test is satisfied, shall be distributed
with applicable income. In addition, the Employer Matching Contributions shall
be forfeited with applicable income, to the extent such Employer Matching
Contributions are attributable to excess contributions and excess deferrals. For
purposes of this subsection, applicable income means income for the Plan Year to
which the excess contributions and deferrals relate. The amount of a required
distribution of excess contributions shall be reduced in whole or in part by a
prior distribution of excess deferrals for the applicable period and vice versa.
Such distributions shall be no later than the Plan Year following the year the
excess contributions and excess deferrals were made, and the amount of excess
contributions shall be determined based on the respective portions attributable
to each Highly Compensated Employee. Notwithstanding the above, nonelective
contributions may be used in the actual deferral percentage test as qualified
nonelective contributions only if such contributions are fully vested when made
and subject to the distribution restrictions applicable to 401(k) Contributions
under this Plan.(d) In order to ensure the favorable tax treatment of 401(k)
Contributions hereunder pursuant to Code Section 401(k) or to ensure compliance
with Code Section 402(g) or 415, the Company in its discretion may prospectively
decrease the rate of 401(k) Contributions of any Participant at any time and may
direct the Trustee to refund 401(k) Contributions to any Participant. Any excess
contributions, determined (i) after use of qualified nonelective contributions
as helpful in the actual deferral percentage test, and (ii) by leveling the
highest contribution amounts until the test is satisfied, shall be distributed
with applicable income. In addition, the Employer Matching Contributions shall
be forfeited with applicable income, to the extent such Employer Matching
Contributions are attributable to excess contributions and excess deferrals. For
purposes of this subsection, applicable income means income for the Plan Year to
which the excess contributions and deferrals relate. The amount of a required
distribution of excess contributions shall be reduced in whole or in part by a
prior distribution of excess deferrals for the applicable period and vice versa.
Such distributions shall be no later than the Plan Year following the year the
excess contributions and excess deferrals were made, and the amount of excess
contributions shall be determined based on the respective portions attributable
to each Highly Compensated Employee. Notwithstanding the above, nonelective
contributions may be used in the actual deferral percentage test as qualified
nonelective contributions only if such contributions are fully vested when made
and subject to the distribution restrictions applicable to 401(k) Contributions
under this Plan.

                                       13
<PAGE>
 
      (e)   If a Participant gives timely notice to the Company that the total
of his elective deferrals (within the meaning of Code Section 402(g)(3)) for his
taxable year exceeded the limit described in such Code Section for his taxable
year and of the amount of such excess attributable to the Plan, the Company may
direct that such excess, together with applicable income, shall be distributed
to the Participant on or before the first April 15 following the end of the
Participant's taxable year. In the event that a Participant has excess deferrals
for his taxable year calculated by taking into account only elective deferrals
under this Plan and other plans of the Employer, such Participant will be deemed
to have notified the Company of such excess deferrals and the Company shall
direct that such excess, together with applicable income, shall be distributed
to the Participant on or before the first April 15 following the end of the
Participant's taxable year. In either event, the Employer Matching Contributions
shall be forfeited with applicable income, to the extent such Employer Matching
Contributions are attributable to excess deferrals. For purposes of this
subsection, applicable income shall mean any income for the Plan Year to which
the excess deferrals relate.(e) If a Participant gives timely notice to the
Company that the total of his elective deferrals (within the meaning of Code
Section 402(g)(3)) for his taxable year exceeded the limit described in such
Code Section for his taxable year and of the amount of such excess attributable
to the Plan, the Company may direct that such excess, together with applicable
income, shall be distributed to the Participant on or before the first April 15
following the end of the Participant's taxable year. In the event that a
Participant has excess deferrals for his taxable year calculated by taking into
account only elective deferrals under this Plan and other plans of the Employer,
such Participant will be deemed to have notified the Company of such excess
deferrals and the Company shall direct that such excess, together with
applicable income, shall be distributed to the Participant on or before the
first April 15 following the end of the Participant's taxable year. In either
event, the Employer Matching Contributions shall be forfeited with applicable
income, to the extent such Employer Matching Contributions are attributable to
excess deferrals. For purposes of this subsection, applicable income shall mean
any income for the Plan Year to which the excess deferrals relate.

      Section 3.02.  Employer Matching Contributions.
      ------------                                   

      (a)   For each Plan Year, the Account of each Participant who is eligible
to receive an Employer Matching Contribution shall be credited with Employer
Matching Contributions. The Board may, in its sole discretion, change the rate
of Employer Matching Contributions for any Plan Year. Employer Matching
Contributions shall be made on or before the due date (including extensions) of
the Employer's federal income tax return for the Plan Year.

      In the absence of Board action to the contrary, Employer Matching
Contributions will be the percentage of Employee 401(k) Contributions shown
below, but not more than the greater of the dollar amount or percentage of
Compensation indicated:

                                       14
<PAGE>
 
<TABLE>
<CAPTION>
Plan Year Ending        Percentage of      Percentage of
                    401(k) Contributions    Compensation   Dollar Amount
<S>                 <C>                    <C>             <C>
April 30, 1998               35%                2.1%           $500
April 30, 1999               40%                2.4%           $500
April 30, 2000               45%                2.7%           $500
April 30, 2001               50%                3.0%           $500
and thereafter
</TABLE>


      (b)   All Participants who elect to make 401(k) Contributions for a Plan
Year shall be eligible to share in Employer Matching Contributions for such Plan
Year.(b)  All Participants who elect to make 401(k) Contributions for a Plan
Year shall be eligible to share in Employer Matching Contributions for such Plan
Year.

      (c)   Notwithstanding subsection 3.02(a) above, the average rate,
expressed as a percentage of Compensation, of the sum of Employer Matching
Contributions and 401(k) Contributions for any Plan Year for Participants who
are Highly Compensated Employees for such Plan Year shall not exceed a rate
equal to the average rate of Employer Matching Contributions for the preceding
Plan Year by all Participants who were not Highly Compensated Employees in that
Plan Year multiplied by the greater of:(c)  Notwithstanding subsection 3.02(a)
above, the average rate, expressed as a percentage of Compensation, of the sum
of Employer Matching Contributions and 401(k) Contributions for any Plan Year
for Participants who are Highly Compensated Employees for such Plan Year shall
not exceed a rate equal to the average rate of Employer Matching Contributions
for the preceding Plan Year by all Participants who were not Highly Compensated
Employees in that Plan Year multiplied by the greater of:

            (i)   1.25 times such average rate; or(i)  1.25 times such average
     rate; or

            (ii)  the lesser of (A) 2.0 times such average rate or (B) such
     average rate plus 2%, subject to such other applicable limit as may be
     prescribed by the Secretary of the Treasury to prevent the multiple use of
     this alternative limitation.(ii)  the lesser of (A) 2.0 times such average
     rate or (B) such average rate plus 2%, subject to such other applicable
     limit as may be prescribed by the Secretary of the Treasury to prevent the
     multiple use of this alternative limitation.

In order to ensure compliance with Code Section 401(m) or 415, any excess
aggregate contributions, determined (i) after use of qualified nonelective
contributions as helpful in the 

                                       15
<PAGE>
 
actual contribution percentage test, and (ii) by leveling the highest
contribution amounts until the test is satisfied, shall be distributed, to the
extent vested, and forfeited, to the extent forfeitable, with applicable income.
For purposes of this subsection, applicable income means income for the Plan
Year to which the excess aggregate contributions relate. Such distributions
shall be made during the Plan Year following the year the excess aggregate
contributions were made, and the amount shall be determined based on the
respective portions attributable to each Highly Compensated Employee.
Notwithstanding the above, nonelective contributions may be used in the actual
contribution percentage test as qualified nonelective contributions only if such
contributions are fully vested when made and subject to the distribution
restrictions applicable to 401(k) Contributions under this Plan.

      Section 3.03.  Profit Sharing Contributions.
      ------------                                



      (a)   The Employer may also make such Profit Sharing Contributions for
each Plan Year as may be determined by the Board, in its sole discretion,
provided that Profit Sharing Contributions for any Plan Year shall not exceed
(i) the amount that can be allocated to Participants' Accounts hereunder (after
giving effect to the limitations described in Section 3.04), or (ii) the maximum
amount deductible for federal income tax purposes for such Plan Year. The
Employer may contribute in cash or in kind and may designate all or any portion
of the Profit Sharing Contribution for investment in the Marquette Stock
Account. Subject to the limitations described in Section 3.04, Profit Sharing
Contributions and forfeitures for any Plan Year shall be allocated to the Profit
Sharing Accounts of those Participants who, pursuant to subsection 3.03(b), are
eligible to share in such Contributions, in the same proportion that the
Certified Earnings paid by the Employer to such Participant for the Plan Year
bears to the total Certified Earnings paid by the Employer to all such
Participants for such Plan Year.

      (b)   The Participants eligible to share in Profit Sharing Contributions
for any Plan Year shall be those Participants who (b)  The Participants
eligible to share in Profit Sharing Contributions for any Plan Year shall be
those Participants who

            (i)   were first employed by an Employer or Affiliate at some time
     before the February 1 preceding the Plan Year and who are employed by an
     Employer on the last day of the Plan Year; and (i)  were first employed by
     an Employer or Affiliate at some time before the February 1 preceding the
     Plan Year and who are employed by an Employer on the last day of the Plan
     Year; and

            (ii)  have completed at least 1,000 Hours of Service during the Plan
     Year.(ii)have completed at least 1,000 Hours of Service during the Plan
     Year.

                                       16
<PAGE>
 
     Section 3.04.  Maximum Annual Additions.
     ------------                            

     (a)   Notwithstanding the other provisions of this Plan, annual additions
to the account of any Participant for a Plan Year (also the limitation year)
shall not exceed the lesser of:

           (i)   $30,000 as adjusted pursuant to Section 415(c)(1)(A) and
     (d)(1); or(i)$30,000 as adjusted pursuant to Section 415(c)(1)(A) and
     (d)(1); or

           (ii)  25% of the Participant's total compensation (as defined in
     subsection (c) of Section 415 of the Code) from the Employer for such Plan
     Year.(ii)  25% of the Participant's total compensation (as defined in
     subsection (c) of Section 415 of the Code) from the Employer for such Plan
     Year.

     (b)  The term annual additions as used in this Section shall mean the sum
for the Plan Year of (i) Employer Contributions, (ii) forfeitures, (iii) 401(k)
Contributions and (iv) amounts described in Sections 415(c)(2) and 419A(d)(2) of
the Code, credited to the Participant's Account.(b)  The term annual additions
as used in this Section shall mean the sum for the Plan Year of (i) Employer
Contributions, (ii) forfeitures, (iii) 401(k) Contributions and (iv) amounts
described in Sections 415(c)(2) and 419A(d)(2) of the Code, credited to the
Participant's Account.

                                       17
<PAGE>
 
     (c)  If a Participant also participates in another qualified defined
contribution plan maintained by the Employer, then the sum of his annual
additions under this Plan and under such other plan shall not exceed the
limitations described in subsection (a) of this Section.  Further, if a
Participant also participates in a defined benefit pension plan maintained by
the Employer, the sum of (1) and (2) below may not exceed 1.0:(c)  If a
Participant also participates in another qualified defined contribution plan
maintained by the Employer, then the sum of his annual additions under this Plan
and under such other plan shall not exceed the limitations described in
subsection (a) of this Section.  Further, if a Participant also participates in
a defined benefit pension plan maintained by the Employer, the sum of (1) and
(2) below may not exceed 1.0:

           (i)   the sum of the projected annual benefit of the Participant
     under all defined benefit pension plans of the Employer determined as of
     the close of the Plan Year, divided by the lesser of (i) the product of
     1.25 multiplied by the dollar limitation in effect under Section
     415(b)(1)(A) of the Code for such year, or (ii) the product of 1.4
     multiplied by the amount which may be taken into account under Section
     415(b)(1)(B) of the Internal Revenue Code with respect to such Participant
     for such year; and(i) the sum of the projected annual benefit of the
     Participant under all defined benefit pension plans of the Employer
     determined as of the close of the Plan Year, divided by the lesser of (i)
     the product of 1.25 multiplied by the dollar limitation in effect under
     Section 415(b)(1)(A) of the Code for such year, or (ii) the product of 1.4
     multiplied by the amount which may be taken into account under Section
     415(b)(1)(B) of the Internal Revenue Code with respect to such Participant
     for such year; and

           (ii)  the sum of the annual additions to the Participant's account
     under all defined contribution plans of the Employer as of the close of the
     Plan Year and for all prior Plan Years, divided by the sum of the lesser of
     (i) or (ii) for such year and for each prior year of service with the
     Employer (regardless of whether any such defined contribution plan was in
     existence during those years), where (i) is the product of 1.25 multiplied
     by the dollar limitation in effect under Section 415(c)(1)(A) of the code
     for such year, and (ii) is the product of 1.4 multiplied by the amount
     which may be taken into account under Section 415(c)(1)(B) of the Code (or
     Section 415(c)(7) or (8) of such Code, if applicable) with respect to such
     individual under such plan for such year; provided, however, that the
     Company may elect that the amount taken into account for each Participant
     for all years ending before January 1, 1983, under (i) and (ii) above shall
     be determined pursuant to the special transition rule provided in such
     Section 415(e)(6) of the Code.(ii)  the sum of the annual additions to the
     Participant's account under all defined contribution plans of the Employer
     as of the close of the Plan Year and for all prior Plan Years, divided by
     the sum of the lesser of (i) or (ii) for such year and for each prior year
     of service with the Employer (regardless of whether any such defined

                                       18
<PAGE>
 
     contribution plan was in existence during those years), where (i) is the
     product of 1.25 multiplied by the dollar limitation in effect under Section
     415(c)(1)(A) of the code for such year, and (ii) is the product of 1.4
     multiplied by the amount which may be taken into account under Section
     415(c)(1)(B) of the Code (or Section 415(c)(7) or (8) of such Code, if
     applicable) with respect to such individual under such plan for such year;
     provided, however, that the Company may elect that the amount taken into
     account for each Participant for all years ending before January 1, 1983,
     under (i) and (ii) above shall be determined pursuant to the special
     transition rule provided in such Section 415(e)(6) of the Code.

     (d)   In the event that, after the application of all limitations and
reductions in the Participant's benefits under any defined benefit pension plan
and any limitations imposed by the Company pursuant to Sections 3.01(d), 3.01(e)
and 3.02(c), the rules set forth in subsection (a) or (b) of this Section would
otherwise be violated with respect to any Participant, then such Participant's
annual additions under this Plan for the Plan Year shall be automatically
reduced as follows:(d)  In the event that, after the application of all
limitations and reductions in the Participant's benefits under any defined
benefit pension plan and any limitations imposed by the Company pursuant to
Sections 3.01(d), 3.01(e) and 3.02(c), the rules set forth in subsection (a) or
(b) of this Section would otherwise be violated with respect to any Participant,
then such Participant's annual additions under this Plan for the Plan Year shall
be automatically reduced as follows:

           (i)   The amount of Profit Sharing Contributions allocated to his
     Profit Sharing Account pursuant to Section 3.03 shall be reduced and
     allocated pursuant to Section 3.03 to the Profit Sharing Accounts of other
     Participants eligible to share in Profit Sharing Contributions for the Plan
     Year to the extent such additional allocations do not result in violation
     of this Section.(i)  The amount of Profit Sharing Contributions allocated
     to his Profit Sharing Account pursuant to Section 3.03 shall be reduced and
     allocated pursuant to Section 3.03 to the Profit Sharing Accounts of other
     Participants eligible to share in Profit Sharing Contributions for the Plan
     Year to the extent such additional allocations do not result in violation
     of this Section.

           (ii)  In the event that the application of (i) above is not
     sufficient to eliminate the violation, there shall be deducted from the
     Participant's Accounts such portion of Employer Matching Contributions for
     the Plan Year as shall be necessary to eliminate the violation.  Employer
     Matching Contributions deducted from a Participant's Accounts shall be
     forfeited and shall be applied as provided in Section 5.05.(ii)  In the
     event that the application of (i) above is not sufficient to eliminate the
     violation, there shall be deducted from the Participant's Accounts such
     portion of Employer Matching  

                                       19
<PAGE>
 
     Contributions for the Plan Year as shall be necessary to eliminate the
     violation. Employer Matching Contributions deducted from a Participant's
     Accounts shall be forfeited and shall be applied as provided in Section
     5.05.

Notwithstanding the foregoing, if as a result of the allocation of forfeitures,
an error in estimating a Participant's Compensation for the Plan Year, an error
in determining the amount of 401(k) Contributions that may be made with respect
to any Participant under the limits of Code Section 415, or such other facts and
circumstances as may be prescribed by the Commissioner of Internal Revenue, the
Before-Tax Deposits or After-Tax Deposits or Employer Contributions, or both,
actually allocated to a Participant exceed the limits described in this Section,
such excess 401(k) Contributions shall be returned to the Participant and/or
such excess Employer Contributions shall be used to reduce Employer
Contributions under the Plan for the next Plan Year and succeeding Plan Years,
as necessary, for such Participant.  To the extent such excess Employer
Contributions are not so reduced, the Participant shall not be entitled to
receive such excess.  If a Participant has such an excess annual addition
consisting of Employer Contributions but is not covered by the Plan as of the
end of the Plan Year for which the excess arose or as of any succeeding Plan
Year prior to the Plan Year in which such excess is fully eliminated, then such
excess shall be held in a suspense account for that Plan Year and allocated or
reallocated in the next and succeeding Plan Years to all Participants then
entitled to share in Employer Matching Contributions or Profit Sharing
Contributions, subject, however, to the limitations of this Section.  Amounts
allocated to this suspense account shall not be credited with income or loss.
If an amount remains in this suspense account at the time the Plan terminates
and all Plan assets have been distributed to Participants, then such amount
shall be returned to the Employer.

      (e)  The Company shall have broad authority to coordinate with the plan
administrator of other plans maintained by the Employer in relation to the
limits imposed by this Section, and to implement reductions of allocations and
reallocations necessary to maintain all of such plans in accordance with the
requirements of applicable law.(e)  The Company shall have broad authority to
coordinate with the plan administrator of other plans maintained by the Employer
in relation to the limits imposed by this Section, and to implement reductions
of allocations and reallocations necessary to maintain all of such plans in
accordance with the requirements of applicable law.

     Section 3.05.  Rollovers.
     ------------             

An Employee shall be entitled to rollover to the Plan amounts derived from a
qualifying distribution from another tax-qualified pension, profit sharing or
stock bonus plan.  No such rollover shall be accepted unless it is paid over in
cash or check to the Trustee directly from the other plan or within 60 days
after it is received by the Employee.  No amount shall be accepted 

                                       20
<PAGE>
 
for rollover unless the Employee certifies in writing that (i) the plan was a
tax-qualified retirement plan at the time of the distribution, and (ii) the
distribution constituted an eligible rollover distribution from such other plan
within the meaning of Code Section 402(c)(4).

                                       21
<PAGE>
 
                                  ARTICLE IV.

                   PARTICIPANT ACCOUNTS;PARTICIPANT ACCOUNTS;
                             INVESTMENT OF ACCOUNTS

     Section 4.01.  Establishment of Accounts.  Each Participant shall have one
     -------------                                                             
or more Accounts established for him.  Such Accounts shall consist of:Section
                                                                      -------
4.01.  Establishment of Accounts.  Each Participant shall have one or more
- -----                                                                     
Accounts established for him.  Such Accounts shall consist of:

     (a) a 401(k) Contributions Account; (a) a 401(k) Contributions Account;
 
     (b) a Matching Contributions Account; (b) a Matching Contributions Account;
 
     (c) a Profit Sharing Account; (c) a Profit Sharing Account;
 
     (d) an Old ESOT Account; and(d) an Old ESOT Account; and
 
     (e) a Rollover Account.(e) a Rollover Account.

     To the extent necessary or appropriate to provide for the proper
administration of the Plan, the Accounts of Participants shall include separate
balances for interests invested in each Investment Fund, for interests derived
from different sources of contributions, and for such other purposes as the
Company shall determine.  As soon as practicable after each Valuation Date, each
Participant shall be provided with a statement reflecting the status of his
Accounts.

     Section 4.02.  Investment of Accounts. Section 4.02.  Investment of        
     ------------                           ------------                  
Accounts.

     (a)  The Company shall permit each Participant to invest his Accounts in
one or more of the Investment Funds available for such purpose.  A Participant
who makes an election under this Section 4.02 shall elect to have all or any
portion (expressed as a whole percentage) of his Accounts invested in any one or
more of the Investment Funds then available.  Further, any such election may be
changed as of any Valuation Date, but shall remain in effect for successive
periods unless changed by the Participant.(a)  The Company shall permit each
Participant to invest his Accounts in one or more of the Investment Funds
available for such purpose.  A Participant who makes an election under this
Section 4.02 shall elect to have all or any portion (expressed as a whole
percentage) of his Accounts invested in any one or more of the Investment Funds
then available.  Further, any such election may be changed as of any Valuation
Date, but shall remain in effect for successive periods unless changed by the
Participant.

                                       22
<PAGE>
 
      (b) A Participant may elect to reallocate his Accounts among the
Investment Funds as of any Valuation Date, except as limited by paragraph (d).
A Participant who elects to make such a reallocation shall elect to have all or
any portion (expressed as a whole percentage) of his Accounts invested in any
one or more Investment Funds transferred to one or more other Investment Funds
(in any whole percentage of the amounts being transferred).(b)  A Participant
may elect to reallocate his Accounts among the Investment Funds as of any
Valuation Date, except as limited by paragraph (d).  A Participant who elects to
make such a reallocation shall elect to have all or any portion (expressed as a
whole percentage) of his Accounts invested in any one or more Investment Funds
transferred to one or more other Investment Funds (in any whole percentage of
the amounts being transferred).

      (c) In the event that a Participant shall fail to direct the investment of
his Accounts subject to his direction or fail to replace any directions which
may have been suspended or revoked, then such Accounts shall be invested on the
Participant's behalf in an Investment Fund designated by the Company on a
uniform and nondiscriminatory basis for all similarly situated Participants.
(c)  In the event that a Participant shall fail to direct the investment of his
Accounts subject to his direction or fail to replace any directions which may
have been suspended or revoked, then such Accounts shall be invested on the
Participant's behalf in an Investment Fund designated by the Company on a
uniform and nondiscriminatory basis for all similarly situated Participants.

      (d) A Participant may direct investment out of the Marquette Stock Fund
into other Investment Funds to the extent of up to 7% of the Participants
Account in the Fund (or stock valuing up to $2,500, if greater) within any 90
day period.  In addition, the total of Marquette Stock liquidated by the Trust
in any fiscal quarter may not exceed 1% of the total of such stock outstanding
at the time.  In the event liquidation requests exceed this limit at any time,
requests then outstanding will be honored, pro rata, until the next fiscal
quarter and will be the first such requests honored in that quarter.(d)  A
Participant may direct investment out of the Marquette Stock Fund into other
Investment Funds to the extent of up to 7% of the Participants Account in the
Fund (or stock valuing up to $2,500, if greater) within any 90 day period.  In
addition, the total of Marquette Stock liquidated by the Trust in any fiscal
quarter may not exceed 1% of the total of such stock outstanding at the time.
In the event liquidation requests exceed this limit at any time, requests then
outstanding will be honored, pro rata, until the next fiscal quarter and will be
the first such requests honored in that quarter.

                                       23
<PAGE>
 
     Section 4.03.  Allocations to Matching Contributions and Profit Sharing
     -------------                                                          
Accounts.

A Participant's Matching Contributions Account shall be credited with his
allocable share of Matching Contributions promptly after receipt by the Trustee.
The Profit Sharing Accounts maintained for each eligible Participant shall be
credited annually, as of the last day of each Plan Year, with his allocable
share of Employer Contributions and forfeitures for such Plan Year.

     Section 4.04.  Valuation of Accounts.
     ------------                         

As of each Valuation Date, the Accounts of each Participant shall be adjusted to
reflect the effect of income, collected and accrued, realized and unrealized
gains and losses, expenses and all other transactions during the period
preceding the Valuation Date with respect to the applicable Investment Funds.

                                       24
<PAGE>
 
                                  ARTICLE V.

                            VESTING AND FORFEITURES

     Section 5.01.  Calculation of Vesting Service.
     -------------                                 

A Participant's eligibility for benefits from his Profit Sharing Accounts shall
be determined by his Vesting Service.  Subject to the Break in Service
provisions of Section 5.02, an Employee shall be credited with one year of
Vesting Service for each Plan Year in which he completes 1,000 or more Hours of
Service.

     Section 5.02.  Effect of Breaks in Service.
     -------------                              


     (a) The Vesting Service of a Participant who at the time he incurs a Break
in Service has a vested right to any benefits in his Profit Sharing Accounts
hereunder shall not be subject to cancellation.  In any other case, the Vesting
Service of a Participant who incurs a Break in Service shall be canceled and
disregarded for all purposes of the Plan.

     (b) In the event that a former Participant is re-employed by the Employer,
such former Participant shall be eligible for reparticipation in the Plan
immediately upon his rehire.(b)   In the event that a former Participant is re-
employed by the Employer, such former Participant shall be eligible for
reparticipation in the Plan immediately upon his rehire.

     Section 5.03.  Vesting in 401(k) Contributions, Matching Contributions and
     ------------                                                              
Rollover Accounts.

A Participant's interests in his old ESOT, 401(k) Contributions, Matching
Contributions and Rollover Accounts shall be fully vested and nonforfeitable at
all times.

     Section 5.04.  Vesting in Profit Sharing Accounts.
     ------------                                      

     (a) A Participant's interest in his Profit Sharing Accounts shall be fully
vested and nonforfeitable upon the occurrence of any of the following events
prior to his termination of employment:
 
         (i)  the Participant's attainment of age 65;(i)  the Participant's 
attainment of age 65;
 
         (ii) death; or(ii)  death; or
 

                                       25
<PAGE>
 
         (iii) Disability  (iii) Disability

                                       26
<PAGE>
 
(b)  Except as provided in subsection (a), a Participant's interest in Profit
Sharing Accounts shall be vested and nonforfeitable to the extent determined
from the following table:

                   Years of
               Vesting Service          Vested Percentage
 
                      0                          0%
                      1                          0%
                      2                         25%
                      3                         50%
                      4                         75%
                  5 or more                    100% 

Section 5.05.    Forfeitures.
- ------------
 
      (a) Following a Participant's termination of employment, the balances in
the Participant's Accounts which are not vested shall be maintained in the
Participant's Accounts until the earlier of the date on which the Participant
(i) incurs a Break in Service or (ii) receives a distribution of the vested
portion of all of his Accounts.  If either of the events described above occurs,
such amounts shall be forfeited and shall be allocated to the Profit Sharing
Accounts of those Participants eligible to share in Profit Sharing Contributions
for the Plan Year in which the forfeiture occurred, as provided in Section 3.03.
A Participant whose entire vested interest in his Accounts has been distributed
or who has no vested interest shall be deemed cashed out of the Plan.

      (b) If a Participant whose Accounts have been forfeited in whole or in
part returns to employment before incurring a Break in Service, and pays to the
Plan all amounts previously distributed within the earlier of five years from
the date of rehire or the date a Break in Service occurs then the amounts
forfeited pursuant to this Section shall be reinstated to the Participant's
Accounts, out of forfeitures for the Plan Year in which such reemployment
occurs, or, if such forfeitures are not sufficient, out of additional Employer
Contributions.  The reinstated amount shall be the amount forfeited, unadjusted
for any earnings, gains and losses.  (b)  If a Participant whose Accounts have
been forfeited in whole or in part returns to employment before incurring a
Break in Service, and pays to the Plan all amounts previously distributed within
the earlier of five years from the date of rehire or the date a Break in Service
occurs then the amounts forfeited pursuant to this Section shall be reinstated
to the Participant's Accounts, out of forfeitures for the Plan Year in which
such reemployment occurs, or, if such forfeitures are not sufficient, out of

                                       27
<PAGE>
 
additional Employer Contributions.  The reinstated amount shall be the amount
forfeited, unadjusted for any earnings, gains and losses.

     (c)  If a Participant whose Accounts have been forfeited in whole or in
part returns to employment after incurring a Break in Service, the forfeited
amounts shall not be reinstated. Such a Participant's Vesting Service shall be
determined pursuant to Section 5.02.(c) If a Participant whose Accounts have
been forfeited in whole or in part returns to employment after incurring a Break
in Service, the forfeited amounts shall not be reinstated. Such a Participant's
Vesting Service shall be determined pursuant to Section 5.02.

                                       28
<PAGE>
 
                             ARTICLE VI.ARTICLE VI.

                            DISTRIBUTION OF BENEFITS

     Section 6.01.  Distribution Upon Termination of Employment.
     -------------                                              

A Participant's vested and nonforfeitable interests in all of his Accounts shall
be distributable to the Participant upon his termination of employment from the
Employer and Affiliates for any reason.  Distribution shall be made at the time
and in the manner specified in Sections 6.04 and 6.05.

     Section 6.02.  Death.
     -------------        

     (a) Upon a Participant's death, whether before or after his termination of
employment and whether before or after commencement of payment of benefits, the
vested portion of the remaining amounts in all of his Accounts shall be payable
to the Participant's Beneficiary at the time and in the manner specified in
Sections 6.04 and 6.05.

     (b) A Participant may designate any person, trust and/or other entity as
his Beneficiary.  Any such designation shall be in writing and filed with the
Company on the form and in the manner prescribed by the Company, and may be
revoked or changed by the Participant at any time by a written instrument filed
with the Company prior to his death.  Notwithstanding the foregoing, in the
event that the Participant has a spouse at the time of his death, such spouse
shall be the Participant's Beneficiary unless (i) such spouse has consented in
writing to the Participant's designation of a different Beneficiary, (ii) such
consent acknowledges the effect of such election and is witnessed by a plan
representative appointed by the Company or by a notary public, and (iii) the
Participant is survived by a Beneficiary designated as such as described above.
In the event the Participant is not married at the time of his death and is not
survived by a properly designated Beneficiary, the Participant's estate shall be
the Beneficiary.(b)  A Participant may designate any person, trust and/or other
entity as his Beneficiary.  Any such designation shall be in writing and filed
with the Company on the form and in the manner prescribed by the Company, and
may be revoked or changed by the Participant at any time by a written instrument
filed with the Company prior to his death.  Notwithstanding the foregoing, in
the event that the Participant has a spouse at the time of his death, such
spouse shall be the Participant's Beneficiary unless (i) such spouse has
consented in writing to the Participant's designation of a different
Beneficiary, (ii) such consent acknowledges the effect of such election and is
witnessed by a plan representative appointed by the Company or by a notary
public, and (iii) the Participant is survived by a Beneficiary designated as
such as described above.  In the 

                                       29
<PAGE>
 
event the Participant is not married at the time of his death and is not
survived by a properly designated Beneficiary, the Participant's estate shall be
the Beneficiary.

     Section 6.03.  Time of Distributions. General.
     ------------                                  

     (a) A Participant's vested interest in his Account shall be distributed to
him after he has terminated employment.  If the account is $5,000 or less,
distribution will occur within an administratively reasonable period following
termination of employment.  If the value of the Participant's Account exceeds
$5,000, distribution shall be made as soon as practicable following any date
elected by the Participant.

     (b) Required Distributions.  Distribution of a Participant's Account shall
commence no later than 60 days after the latest of:  (i) the close of the Plan
Year in which the Participant attains age 65 or (ii) the date the Participant
actually terminates employment with the Employer and Affiliates.  Distribution
shall be completed not later than five years after the date of the Participant's
death, except as provided in Section 6.04.  A 5% shareholder of an Employer must
begin to receive distribution no later than the April 1 following attainment of
age 70, even if still employed. (b)  Required Distributions.  Distribution of a
Participant's Account shall commence no later than 60 days after the latest of:
(i) the close of the Plan Year in which the Participant attains age 65 or (ii)
the date the Participant actually terminates employment with the Employer and
Affiliates.  Distribution shall be completed not later than five years after the
date of the Participant's death, except as provided in Section 6.04.  A 5%
shareholder of an Employer must begin to receive distribution no later than the
April 1 following attainment of age 70, even if still employed.

                                       30
<PAGE>
 
     Section 6.04.  Form of Distributions.
     ------------                         



     (a) A Participant or Beneficiary will receive distribution of his Accounts
in the form of:  (i) a lump sum, (ii) in a series of annual or more frequent
installments over a fixed period not exceeding the joint life expectancy of the
Participant and the Participants Beneficiary, (iii) a nonrefundable period
certain annuity, subject to the period limits of paragraph (ii) above.

     In the event that any Participant whose benefits are immediately
distributable without his consent cannot be located upon reasonable attempts
made by the Company, the Company shall direct the Trustee to distribute such
benefits to a federally insured savings account opened in the name of such
Participant.  A Participant or beneficiary may elect to take the portion of his
account that is attributable to whole shares of Employer Stock in the form of
Employer Stock.

     (b) The provisions of the Plan are intended to comply with Code Section
401(a)(9) which prescribes certain rules regarding minimum distributions and
requires that death benefits be incidental to retirement benefits.  All
distributions under the Plan shall be made in conformance with Code Section
401(a)(9) and the regulations thereunder which are incorporated herein by
reference.  The provisions of the Plan governing distributions are intended to
apply in lieu of any default provisions prescribed in regulations; provided,
however, that Code Section 401(a)(9) and the regulations thereunder override any
Plan provisions inconsistent with such Code Section and regulations.(b)  The
provisions of the Plan are intended to comply with Code Section 401(a)(9) which
prescribes certain rules regarding minimum distributions and requires that death
benefits be incidental to retirement benefits.  All distributions under the Plan
shall be made in conformance with Code Section 401(a)(9) and the regulations
thereunder which are incorporated herein by reference.  The provisions of the
Plan governing distributions are intended to apply in lieu of any default
provisions prescribed in regulations; provided, however, that Code Section
401(a)(9) and the regulations thereunder override any Plan provisions
inconsistent with such Code Section and regulations.

                                       31
<PAGE>
 
     Section 6.05.  Eligible Rollover Distributions.
     -------------                                  

Notwithstanding any provision of the Plan to the contrary that would otherwise
limit a distributee's election under this Section, a distributee may elect, at
the time and in the manner prescribed by the Company, to have any portion of an
eligible rollover distribution paid directly to an eligible retirement plan
specified by the distributee in a direct rollover.

     (a) Eligible rollover distribution means any distribution of all or any
portion of the balance to the credit of the distributee, except that an eligible
rollover distribution does not include:  any distribution that is one of a
series of substantially equal periodic payments (not less frequently than
annually) made for the life (or life expectancy) of the distributee or the joint
lives (or joint life expectancies) of the distributee and the distributee's
designated beneficiary, or for a specified period of ten years or more; any
distribution to the extent such distribution is required under Section 401(a)(9)
of the Code; and the portion of any distribution that is not includible in gross
income (determined without regard to the exclusion for net unrealized
appreciation with respect to employer securities).(a)  Eligible rollover
distribution means any distribution of all or any portion of the balance to the
credit of the distributee, except that an eligible rollover distribution does
not include:  any distribution that is one of a series of substantially equal
periodic payments (not less frequently than annually) made for the life (or life
expectancy) of the distributee or the joint lives (or joint life expectancies)
of the distributee and the distributee's designated beneficiary, or for a
specified period of ten years or more; any distribution to the extent such
distribution is required under Section 401(a)(9) of the Code; and the portion of
any distribution that is not includible in gross income (determined without
regard to the exclusion for net unrealized appreciation with respect to employer
securities).

     (b) Eligible retirement plan means an individual retirement account
described in Section 408(a) of the Code, an individual retirement annuity
described in Section 408(b) of the Code, an annuity plan described in Section
403(a) of the Code, or a qualified trust described in Section 401(a) of the
Code, that accepts the distributee's eligible rollover distribution. However, in
the case of an eligible rollover distribution to the surviving spouse, an
eligible retirement plan is an individual retirement account or individual
retirement annuity.(b) Eligible retirement plan means an individual retirement
account described in Section 408(a) of the Code, an individual retirement
annuity described in Section 408(b) of the Code, an annuity plan described in
Section 403(a) of the Code, or a qualified trust described in Section 401(a) of
the Code, that accepts the distributee's eligible rollover distribution.
However, in the case of an eligible rollover distribution to the surviving
spouse, an eligible retirement plan is an individual retirement account or
individual retirement annuity.

                                       32
<PAGE>
 
      (c) Distributee includes an employee or former employee.  In addition, the
employee's or former employee's surviving spouse and the employee's or former
employee's spouse or former spouse who is the alternate payee under a qualified
domestic relations order, as defined in Section 414(p) of the Code, are
distributees with regard to the interest of the spouse or former spouse.(c)
Distributee includes an employee or former employee.  In addition, the
employee's or former employee's surviving spouse and the employee's or former
employee's spouse or former spouse who is the alternate payee under a qualified
domestic relations order, as defined in Section 414(p) of the Code, are
distributees with regard to the interest of the spouse or former spouse.

      (d) Direct rollover means a payment by the Plan to the eligible
retirement plan specified by the distributee.  (d)  Direct rollover means a
payment by the Plan to the eligible retirement plan specified by the
distributee.
                           

                                       33
<PAGE>
 
                            ARTICLE VII.ARTICLE VII.

                  WITHDRAWALS AND LOANS WITHDRAWALS AND LOANS
     Section 7.01.  In-Service Withdrawals.
     ------------                          

A Participant shall be permitted to withdraw all or a portion of his vested
balances in his Accounts once in each Plan Year, provided the participant has
been a Participant for three or more years under this Plan or either Prior Plan.
Withdrawals will be subject to all of the following limits:

      (a) The withdrawal is limited to 25% of the value of the vested portion of
the Old ESOT and Profit Sharing Accounts.  Further, any Employer Contributions
or earnings allocated during the preceding two year period cannot be
withdrawn.(a)  The withdrawal is limited to 25% of the value of the vested
portion of the Old ESOT and Profit Sharing Accounts.  Further, any Employer
Contributions or earnings allocated during the preceding two year period cannot
be withdrawn.

      (b) Any Participant loan balance must be fully satisfied out of the
withdrawal.(b)  Any Participant loan balance must be fully satisfied out of the
withdrawal.

      (c) Withdrawals will be distributed within an administratively reasonable
period following the request.(c)  Withdrawals will be distributed within an
administratively reasonable period following the request.

      (d) If aggregate withdrawals, distributions and investment changes for a
month would cause net sales by the Trust of more than 1% of the outstanding
common stock of the Company for the Plan Year quarter, withdrawals will be
prorated to meet the 1% limit.  In ensuing months, requests will be honored on a
pro rata basis, consistent with the limit, on a month by month basis, honoring
the oldest months requests first.(d)  If aggregate withdrawals, distributions
and investment changes for a month would cause net sales by the Trust of more
than 1% of the outstanding common stock of the Company for the Plan Year
quarter, withdrawals will be prorated to meet the 1% limit.  In ensuing months,
requests will be honored on a pro rata basis, consistent with the limit, on a
month by month basis, honoring the oldest months requests first.

     Section 7.02.  Age 60 Withdrawal and Diversification Alternatives.
     ------------                                                      

A Participant who is both age 60 and has completed 5 or more Years of Service
may withdraw all or any portion of his Account and/or may direct the liquidation
of all or any portion of his Marquette Stock Account and may direct reinvestment
of such amounts in any other investment accounts available under the Plan.

                                       34
<PAGE>
 
Withdrawals from the Employer Stock Fund may, at the Participants election, be
made in cash or in kind.

Liquidation elections shall be subject to the rules in section 4.02 without
regarding to the 7% Account limitation.

Withdrawals will be distributed once per month.  If the withdrawal request is
made by the 20/th/ of the month, distribution will occur shortly after the end
of the month.  Withdrawals are, however, expressly subject to the rules of
section 7.01(b) and (d).

     Section 7.03.  Loans to Participants.Section 7.03.  Loans to Participants.
     -------------                        -------------              

     (a) Upon application, any Participant may elect to borrow from his Account.
The amount of any loan hereunder shall not be less than $2,000, nor more than
$50,000.  A Participant may not have more than two loans outstanding at a time.
The aggregate principal amount of a loan, when added to the highest loan balance
in existence during the prior 12 month period, shall not exceed the amount or
portion of the Participant's total vested Account balances determined from the
following table:

<TABLE>                                        
<CAPTION>                                      
         Amount of Total Vested                         
            Account Balances          Maximum Loan      
         <S>                       <C>                  
         At least $4,000 but       50% of such balance  

         Less than $100,000                             
                                                        
         $100,000 or more                $50,000  
</TABLE>                                        



     (b) A loan shall be considered an investment of the borrowing Participant's
Account, and, in accordance with Department of Labor Regulation '2550.408b-1,
interest shall be charged thereon at a rate that is commensurate with interest
rates charged on similar commercial loans, as determined by the Administrator
from time to time. Every loan applicant shall receive a clear statement of the
charges involved in each loan transaction. This statement shall include the
dollar amount and annual interest rate of the finance charge. Any such loan
shall be repaid by the Participant by means of payroll deduction. No loan shall
be for a period of more than five years. Except in the case of a Participant who
is a party in interest with respect to the Plan (within the meaning of ERISA
'3(14)), a Participant must be actively employed on the date a loan is made.(b)
A loan shall be considered an investment of the borrowing Participant's Account,
and, in accordance with Department of Labor Regulation '2550.408b-1, interest
shall be charged thereon at a rate that is commensurate with interest rates
charged on similar

                                       35
<PAGE>
 
commercial loans, as determined by the Administrator from time to time. Every
loan applicant shall receive a clear statement of the charges involved in each
loan transaction. This statement shall include the dollar amount and annual
interest rate of the finance charge. Any such loan shall be repaid by the
Participant by means of payroll deduction. No loan shall be for a period of more
than five years. Except in the case of a Participant who is a party in interest
with respect to the Plan (within the meaning of ERISA '3(14)), a Participant
must be actively employed on A loan shall be considered an investment of the
borrowing Participant's Account, the date a loan is made.

      (c) Amounts loaned to a Participant pursuant to this Section shall not
share in allocations of investment fund earnings under Section 4.04, but shall
be treated as a segregated account for the sole benefit of the Participant,
which account shall serve as security for the loan repayment.  In the event that
the Participant does not repay the loan in accordance with the terms and
conditions thereof, or fails to cure any default within a reasonable time after
receiving notice thereof, the Administrator may direct that the Participant's
segregated loan account shall be charged for the total amount of the loan or any
part thereof (including accrued interest) with such amount being treated as a
distribution of that portion of the Participant's Accounts; provided that such
direction shall not occur at a time or in a manner when such a distribution
would violate applicable provisions of the Code or ERISA.  Loans shall be due in
full upon a Participants Severance from Service.(c)  Amounts loaned to a
Participant pursuant to this Section shall not share in allocations of
investment fund earnings under Section 4.04, but shall be treated as a
segregated account for the sole benefit of the Participant, which account shall
serve as security for the loan repayment.  In the event that the Participant
does not repay the loan in accordance with the terms and conditions thereof, or
fails to cure any default within a reasonable time after receiving notice
thereof, the Administrator may direct that the Participant's segregated loan
account shall be charged for the total amount of the loan or any part thereof
(including accrued interest) with such amount being treated as a distribution of
that portion of the Participant's Accounts; provided that such direction shall
not occur at a time or in a manner when such a distribution would violate
applicable provisions of the Code or ERISA.  Loans shall be due in full upon a
Participants Severance from Service.

      (d) Amounts borrowed pursuant to this Section shall be drawn from the
Participant's vested Account balances in the following order of priority:
Rollover Account, 401(k) Contributions Account, Employer Matching Contributions
Account and Profit Sharing Contributions Account.  Principal payments shall be
restored to the various Accounts from which the loan was drawn in reverse order.
A Participant shall not be entitled to make any withdrawal hereunder without
first full withdrawal of Account balances then outstanding in the form of loans.
(d)       Amounts borrowed pursuant to this Section shall be drawn from the
Participant's vested Account balances in the following order of priority:
Rollover Account, 401(k) Contributions Account, Employer Matching Contributions
Account and Profit Sharing 

                                       36
<PAGE>
 
Contributions Account. Principal payments shall be restored to the various
Accounts from which the loan was drawn in reverse order. A Participant shall not
be entitled to make any withdrawal hereunder without first full withdrawal of
Account balances then outstanding in the form of loans.

      (e) The Administrator may impose such rules, requirements or restrictions
relating to loans under this Section as it shall determine to be necessary or
appropriate, including, without limitation, requirements as to the execution of
loan documents and/or payroll deduction authorizations, and the assessment of
application and processing fees against the borrower's Accounts.  The loan
program provided for in this Section shall be administered by the Administrator
in accordance with Section 408(b)(1) of ERISA.(e)  The Administrator may impose
such rules, requirements or restrictions relating to loans under this Section as
it shall determine to be necessary or appropriate, including, without
limitation, requirements as to the execution of loan documents and/or payroll
deduction authorizations, and the assessment of application and processing fees
against the borrower's Accounts.  The loan program provided for in this Section
shall be administered by the Administrator in accordance with Section 408(b)(1)
of ERISA.

      Section 7.04.  Time and Manner of Distribution.
      ------------                                   

Distributions pursuant to this Article VII shall be made in a lump sum as soon
as administratively feasible, subject to Section 6.05, after the Company
approves the withdrawal or loan.  If less than all of the balance in a
Participant's Account is to be withdrawn, the Trustee shall make all
distributions from the Investment Funds in which such Accounts are then
invested, in the order specified by the Company. The Marquette Stock Fund will
be the last subject to withdrawal.

                                       37
<PAGE>
 
                                 ARTICLE VIII.


                              PLAN ADMINISTRATION



     Section 8.01.  Company Authority and Responsibility.
     ------------                                        

The Company shall be the Administrator and Named Fiduciary of the Plan.  The
Company shall be empowered and authorized to:

           (i)   appoint and contract with the Trustee (or successor Trustee),
     insurance company, Investment Manager (as defined in ERISA) or other
     investment advisor for the retention, investment, administration and
     management of part or all of the Trust Fund;(i) appoint and contract with
     the Trustee (or successor Trustee), insurance company, Investment Manager
     (as defined in ERISA) or other investment advisor for the retention,
     investment, administration and management of part or all of the Trust Fund;

           (ii)  establish a procedure for establishing and carrying out a
     funding policy and method consistent with the objectives of the Plan and
     the requirements of ERISA;(ii) establish a procedure for establishing and
     carrying out a funding policy and method consistent with the objectives of
     the Plan and the requirements of ERISA;

           (iii) amend and terminate the Plan.(iii)  amend and terminate the
     Plan.

These powers may be exercised by the Board, the Executive Committee of the Board
or any individual so authorized by either the Board or the Executive Committee.
These actions must be evidenced by a written instrument.

     Section 8.02.  Administration.
     ------------                  

     (a)   The Company shall have full authority to control and manage and to
perform, delegate and/or allocate the responsibilities for the operation and
administration of the Plan as well as to perform or allocate the responsibility
for any act necessary to comply with the objectives and requirements of ERISA
and the Code, as the same from time to time may be interpreted and implemented
through regulations or otherwise, excluding the power and authority expressly
reserved to the Board and Executive Committee as set forth in Section 8.01.  Any
administrative duty may be carried out by the Board, its Executive Committee,
the Chief 

                                       38
<PAGE>
 
Executive Officer of Marquette Medical Systems, Inc. (or its successor) and any
individual or individuals designated by any of those in writing. Without
limiting the generality of the foregoing, the Company shall have the following
powers and duties:

           (i)   to require any person to furnish such information as it may
     request for the purpose of the proper administration of the Plan as a
     condition to receiving any benefit under the Plan;(i)  to require any
     person to furnish such information as it may request for the purpose of the
     proper administration of the Plan as a condition to receiving any benefit
     under the Plan;

           (ii)  to make and enforce such rules and regulations and prescribe
     the use of such forms as it shall deem necessary for the efficient
     administration of the Plan;(ii)to make and enforce such rules and
     regulations and prescribe the use of such forms as it shall deem necessary
     for the efficient administration of the Plan;

           (iii) to have discretion to interpret the Plan and to resolve
     ambiguities, inconsistencies and omissions in its interpretation, such
     resolutions to be final, conclusive and binding on all parties affected
     thereby;(iii)  to have discretion to interpret the Plan and to resolve
     ambiguities, inconsistencies and omissions in its interpretation, such
     resolutions to be final, conclusive and binding on all parties affected
     thereby;

           (iv)  to compute the amount and determine the manner of payment of
     benefits which shall be payable to any person in accordance with the
     provisions of the Plan;(iv)to compute the amount and determine the manner
     of payment of benefits which shall be payable to any person in accordance
     with the provisions of the Plan;

           (v)   to determine a person's status as an Employee, his eligibility
     for participation, his Vesting Service and the amount and rate of his
     Compensation for any Plan Year and, subject to the appeal procedures
     provided for in subsection (c) hereof, any such determination shall, for
     all purposes under this Plan, be final, conclusive and binding upon all
     Employees, Participants, former Participants, Beneficiaries, the Trustee
     and the Employer, as well as upon all other persons;(v)  to determine a
     person's status as an Employee, his eligibility for participation, his
     Vesting Service and the amount and rate of his Compensation for any Plan
     Year and, subject to the appeal procedures provided for in subsection (c)
     hereof, any such determination shall, for all purposes under this Plan, be
     final, conclusive and binding upon all Employees, Participants, former
     Participants, Beneficiaries, the Trustee and the Employer, as well as upon
     all other persons;

                                       39
<PAGE>
 
           (vi)   to employ actuaries, attorneys, accountants and such other
     persons as it shall deem necessary or desirable for the administration of
     this Plan;(vi)  to employ actuaries, attorneys, accountants and such other
     persons as it shall deem necessary or desirable for the administration of
     this Plan;

           (vii)  to incur reasonable expenses necessary to the administration
     of the Plan, which expenses shall be paid from the Trust Fund unless paid
     by the Employer;(vii)to incur reasonable expenses necessary to the
     administration of the Plan, which expenses shall be paid from the Trust
     Fund unless paid by the Employer;

           (viii) to determine eligibility for benefits and to construe the
     terms of the Plan; any such determination or construction shall be final
     and binding on all parties unless arbitrary and capricious; and(viii)  to
     determine eligibility for benefits and to construe the terms of the Plan;
     any such determination or construction shall be final and binding on all
     parties unless arbitrary and capricious; and

           (ix)   to authorize and direct benefit payments.  (ix)  to authorize
     and direct benefit payments.

                                       40
<PAGE>
 
      (b) Claims Procedures.(b) Claims Procedures.

          (i)  Any Participant or Beneficiary under this Plan who believes he
     is entitled to benefits under the Plan in an amount greater than he is
     receiving may file, or have his duly authorized representative file, a
     claim with the Company under this Section.  Any such claim shall be filed
     in writing stating the nature of the claim, the facts supporting the claim,
     the amount claimed and the name and address of the claimant.  The Company
     shall designate one or more persons (who may or may not be members of the
     Company) to consider the claim and answer it in writing stating whether the
     claim is granted or denied. If the claim is denied in whole or in part, the
     claimant shall be furnished with a written notice of such denial containing
     (A) the specific reasons for the denial, (B) a specific reference to the
     Plan provisions on which the denial is based, (C) a description of any
     additional material or information which it is necessary for the claimant
     to submit and an explanation of why such material or information is
     necessary, and (D) an explanation of the Plan's appeal procedure.(i)  Any
     Participant or Beneficiary under this Plan who believes he is entitled to
     benefits under the Plan in an amount greater than he is receiving may file,
     or have his duly authorized representative file, a claim with the Company
     under this Section.  Any such claim shall be filed in writing stating the
     nature of the claim, the facts supporting the claim, the amount claimed and
     the name and address of the claimant. The Company shall designate one or
     more persons (who may or may not be members of the Company) to consider the
     claim and answer it in writing stating whether the claim is granted or
     denied.  If the claim is denied in whole or in part, the claimant shall be
     furnished with a written notice of such denial containing (A) the specific
     reasons for the denial, (B) a specific reference to the Plan provisions on
     which the denial is based, (C) a description of any additional material or
     information which it is necessary for the claimant to submit and an
     explanation of why such material or information is necessary, and (D) an
     explanation of the Plan's appeal procedure.

          (ii)  If a claimant wishes to appeal the denial of his claim, the
     claimant or his duly authorized representative shall file a written notice
     of appeal with the Company.  In order that the Company may expeditiously
     decide such appeal, the written notice of appeal should contain (A) a
     statement of the ground(s) for the appeal, (B) a specific reference to the
     Plan provisions on which the appeal is based, (C) a statement of the
     arguments and authority (if any) supporting each ground for appeal, and (D)
     any other pertinent documents or comments which the appellant desires to
     submit in support of his appeal.  The Company shall decide the appellant's
     appeal within 60 days of its receipt of the appeal.  The Company's written
     decision shall contain the reasons for the decision and reference to the
     Plan provisions on which the decision is based.  A copy of the Company's
     decision shall be mailed promptly to the claimant.  In addition, the
     Company shall afford 

                                       41
<PAGE>
 
     any person whose claim for benefits has been denied a reasonable
     opportunity for a review of the Company's decision denying the claim by the
     Employer officer or officers designated by the Board pursuant to Section
     8.01(v).(ii) If a claimant wishes to appeal the denial of his claim, the
     claimant or his duly authorized representative shall file a written notice
     of appeal with the Company. In order that the Company may expeditiously
     decide such appeal, the written notice of appeal should contain (A) a
     statement of the ground(s) for the appeal, (B) a specific reference to the
     Plan provisions on which the appeal is based, (C) a statement of the
     arguments and authority (if any) supporting each ground for appeal, and (D)
     any other pertinent documents or comments which the appellant desires to
     submit in support of his appeal. The Company shall decide the appellant's
     appeal within 60 days of its receipt of the appeal. The Company's written
     decision shall contain the reasons for the decision and reference to the
     Plan provisions on which the decision is based. A copy of the Company's
     decision shall be mailed promptly to the claimant. In addition, the Company
     shall afford any person whose claim for benefits has been denied a
     reasonable opportunity for a review of the Company's decision denying the
     claim by the Employer officer or officers designated by the Board pursuant
     to Section 8.01(v).

     (c) Records and Reports.  The Company shall exercise such authority and
responsibility as it deems appropriate in order to comply with ERISA and the
Code and any governmental regulations thereunder relating to any records
maintained in connection with the administration of the Plan and to the
reporting and disclosure of information to any governmental agency and to
Participants and their Beneficiaries.(c)  Records and Reports.  The Company
shall exercise such authority and responsibility as it deems appropriate in
order to comply with ERISA and the Code and any governmental regulations
thereunder relating to any records maintained in connection with the
administration of the Plan and to the reporting and disclosure of information to
any governmental agency and to Participants and their Beneficiaries.

     (d) Rules and Decisions.  All rules and decisions of the Company shall be
uniformly and consistently applied to all Participants and other persons
claiming or entitled to benefits hereunder in similar circumstances.  When
making a determination or calculation, the Company shall be entitled to rely
upon information furnished by a Participant, Beneficiary, or legal counsel, who
may also be legal counsel to the Company or any Affiliate or the Trustee.(d)
Rules and Decisions.  All rules and decisions of the Company shall be uniformly
and consistently applied to all Participants and other persons claiming or
entitled to benefits hereunder in similar circumstances.  When making a
determination or calculation, the Company shall be entitled to rely upon
information furnished by a Participant, Beneficiary, or legal counsel, who may
also be legal counsel to the Company or any Affiliate or the Trustee.

     Section 8.03.  Agent for Service of Process.
     ------------                                

                                       42
<PAGE>
 
The agent for service of legal process in Wisconsin for the Company is hereby
designated as the agent for service of process with respect to all matters
pertaining to the Plan.

     Section 8.04.  Marquette Stock Fund.
     ------------                        

To the extent the Board or its Executive Committee so indicates, Employer
Matching Contributions and Profit Sharing Contributions shall be initially
maintained in the Marquette Stock Fund, which is intended to be primarily
invested in Marquette Stock.

Marquette Stock credited to Participant's Accounts shall be subject to direction
by Participants as to voting rights and as to the disposition of such Marquette
Stock in the event of a tender offer for such Marquette Stock.  The Company
shall establish procedures for soliciting instructions for Participants
directions and for collecting their instructions on a basis intended to assure
confidentiality of their instructions.  The Company procedures shall provide for
Participant to receive all information made available to other shareholders in
connection with such voting or tender offer instructions.  Each Participant
shall be entitled to provide instructions with respect to that number of whole
and fractional shares of Marquette Stock credited to the Participants Account.

To the extent that a Participant fails to provide instructions to the Company,
the shares allocated to such Participant will be voted or tendered by the
Company in accordance with the Company's own independent judgment.  In such
circumstances, the Company may, but is not required to, delegate such
responsibility in writing to an independent fiduciary of the Company's choice.

                                       43
<PAGE>
 
                                  ARTICLE IX.

                            TRUSTEE AND TRUST FUND

     Section 9.01.  Trustee Removal and/or Resignation and Successors.
     ------------                                                     

The Trustee may be removed by the Board at any time, with or without cause, upon
30 days' written notice.  The Trustee may resign at any time upon 30 days'
written notice to the Employer and to the Company.  Upon such removal or
resignation of the Trustee, the Board shall appoint or designate a successor
trustee or trustees, and the Trustee shall assign and transfer and pay over to
such successor trustee or trustees, all property then constituting the Trust
Fund.  The successor trustee or trustees shall be such person or persons, trust
company, bank, or other appropriate financial institution appointed as such from
time to time by the Board and serving at the pleasure of the Board.

     Section 9.02.  Investment Funds.
     -------------                   

The Trust Fund shall consist of such Investment Funds as shall be established
and maintained hereunder at the direction of the Company.  The Company shall
establish one or more Investment Funds and shall advise the Trustee in writing
of the types of investments to be made by such Investment Fund.  The Company may
direct that any such Investment Fund will be invested in one or more insurance
contracts or regulated investment companies selected by the Company or may
appoint one or more Investment Managers to direct the investment of any
Investment Fund.

     Section 9.03.  Investment of the Trust Fund.
     ------------                                

     (a) Subject to Participants' elections under Section 4.02, the Trust Fund,
including all of the Investment Funds shall be invested and reinvested without
distinction between principal and income in any property, real, personal or
mixed or share or part thereof, or part interest therein, including but not
limited to common stocks, preferred stocks, bonds, notes, debentures, mortgages,
equipment trust certificates, investment trust certificates, mutual funds,
common trust funds, and any form of insurance contract.  To the extent and for
the time that any assets of the Trust Fund are invested in a common, pooled or
collective fund maintained by a bank or other financial institution (which may
include any such fund established or maintained by the Trustee or an Investment
Manager), any instrument governing such fund shall be deemed to be incorporated
in and made a part of this Agreement as fully and to all intents and purposes as
if set forth herein at length.  Except as required by ERISA, such investments
and reinvestments shall not be restricted to those of the character authorized
for fiduciaries under any present or

                                       44
<PAGE>
 
future laws or administrative regulations or pursuant to any rule of court, nor
shall any investments be limited in amount or type in relation to the amount or
type of investments of the Trust Fund as a whole.

     (b)  Subject to the directions of the Company as provided in Section 9.02,
any investments or reinvestments shall be made by the Trustee in its sole
discretion.  For the time, in the manner, and to the extent that control has
been asserted by the Company as so provided, the Trustee shall be charged with
responsibility only to execute with reasonable diligence and care the directions
of the Company or Investment Manager appointed by such Company.  In the event
that an Investment Manager shall have been appointed to direct the investments
of any portion of the Trust Fund, custody of all or a part of such portion may,
at such Investment Manager's direction, be transferred to a bank, trust company
or insurance company (which may be the Investment Manager or an affiliate
thereof) in its capacity as trustee of a common or collective trust fund, in
which case such bank or trust company shall have the sole responsibility for the
custody and safekeeping of such portion of the Trust Fund.(b)  Subject to the
directions of the Company as provided in Section 9.02, any investments or
reinvestments shall be made by the Trustee in its sole discretion.  For the
time, in the manner, and to the extent that control has been asserted by the
Company as so provided, the Trustee shall be charged with responsibility only to
execute with reasonable diligence and care the directions of the Company or
Investment Manager appointed by such Company.  In the event that an Investment
Manager shall have been appointed to direct the investments of any portion of
the Trust Fund, custody of all or a part of such portion may, at such Investment
Manager's direction, be transferred to a bank, trust company or insurance
company (which may be the Investment Manager or an affiliate thereof) in its
capacity as trustee of a common or collective trust fund, in which case such
bank or trust company shall have the sole responsibility for the custody and
safekeeping of such portion of the Trust Fund.

     Section 9.04.  Trustee's Powers and Duties.
     ------------                               

The powers and duties of the Trustee shall be set forth in a separate Trust
agreement between the Trustee and the Employer.

     Section 9.05.  Payments from the Trust Fund.
     ------------                                

The Trustee shall make payments from the Trust Fund to such persons, and in such
manner and amounts as may be specified in written directions to the Trustee from
the Company.  Should any such payment be unclaimed, the Trustee shall notify the
Company thereof, and shall dispose of same in accordance with the Company's
further directions.

                                       45
<PAGE>
 
                                  ARTICLE X.

                           AMENDMENT AND TERMINATION

     Section 10.01. Amendment and Termination.
     -------------                              

While it is intended that the Plan shall continue in effect indefinitely, the
Board, by appropriate corporate resolution, may from time to time modify, alter
or amend the Plan or the Trust; provided, however, that any amendment that
affects the duties and responsibilities of the Trustee may only be made with the
Trustee's written consent.  The Board may at any time order the temporary
suspension or complete discontinuance of Employer Contributions or may terminate
the Plan, provided, however, that

          (i)   no such action shall make it possible for any part of the Trust
     assets (except such part as is used for the payment of expenses) to be used
     for or diverted to any purpose other than for the exclusive benefit of
     Participants or their Beneficiaries and the defraying of the reasonable
     expenses of administering and winding up the Plan,(i)  no such action shall
     make it possible for any part of the Trust assets (except such part as is
     used for the payment of expenses) to be used for or diverted to any purpose
     other than for the exclusive benefit of Participants or their Beneficiaries
     and the defraying of the reasonable expenses of administering and winding
     up the Plan,

          (ii)  no such action shall adversely affect the rights or interests
     of Participants theretofore vested under the Plan, and(ii)  no such action
     shall adversely affect the rights or interests of Participants theretofore
     vested under the Plan, and

          (iii) in the event of termination of the Plan or complete
     discontinuance of Employer Contributions hereunder, all rights and
     interests of Participants not theretofore vested shall become vested as of
     the date of such termination or complete discontinuance. In the event of a
     partial termination of the Plan, the rights and interests of the
     Participants affected thereby shall become vested as of the date of such
     partial termination.(iii)in the event of termination of the Plan or
     complete discontinuance of Employer Contributions hereunder, all rights and
     interests of Participants not theretofore vested shall become vested as of
     the date of such termination or complete discontinuance.  In the event of a
     partial termination of the Plan, the rights and interests of the
     Participants affected thereby shall become vested as of the date of such
     partial termination.

However, nothing herein shall be construed to prevent any modification,
alteration or amendment of the Plan or of the Trust which is required in order
to comply with the provision of any law or

                                       46
<PAGE>
 
regulation relating to the establishment or maintenance of this Plan and Trust,
including but not limited to the establishment and maintenance of the Plan or
Trust as a qualified employee plan or trust under the Code, even though such
modification, alteration, or amendment if made retroactively, adversely affects
the rights or interests of a Participant under the Plan.

                                       47
<PAGE>
 
                                  ARTICLE XI.

                                 MISCELLANEOUS

     Section 11.01. Plan is Voluntary.
     -------------                    

Although it is intended that the Plan and contributions hereunder shall be
continued, the Plan is entirely voluntary on the part of the Employer and its
continuance and payment of contributions hereunder are not assumed as
contractual obligations of the Employer, and the Employer does not guarantee or
promise to pay or to cause to be paid any of the benefits provided by the Plan.
The Employer specifically reserves the right, in its sole discretion, to modify,
reduce, suspend, in whole or in part, at any time or from time to time and for
any period or periods of time, or to discontinue at any time, contributions
under the Plan.

     Section 11.02. Non-Guarantee of Employment.
     -------------                              

Nothing contained in this Plan shall be construed as a contract of employment
between the Employer and a Participant, to be consideration or inducement for
the employment of any Participant or Employee, to create a right of any
Participant to be continued in the employment of his Employer, or as a
limitation of the right of the Employer to discharge any Participant with or
without cause.

     Section 11.03. Rights to Trust Assets.
     -------------                         

     (a) No Participant or any other person shall have any right to, or interest
in, any part of the Trust Fund upon termination of his employment or otherwise,
except as provided from time to time under this Plan, and then only to the
extent of the amounts due and payable to such person out of the assets of the
Trust Fund. All payments as provided for in this Plan shall be made solely out
of the assets of the Trust Fund and neither the Employer, the Trustee, nor any
member of the Company shall be liable therefor in any manner.

     (b) Employer Contributions hereunder are conditioned upon their
deductibility under Code Section 404.  In the event that the Internal Revenue
Service denies a deduction for the Employer Contribution hereto, or if the
Company determines that a contribution has been made as the result of a good
faith mistake of fact, then the Company may direct that any nondeductible
Employer Contribution or any other contribution made as the result of a mistake
of fact shall be refunded to the Employer or Participant in accordance with
applicable provisions of ERISA.(b)   Employer Contributions hereunder are
conditioned upon their deductibility under Code Section 404.  In the event that
the Internal Revenue Service denies a deduction for the Employer Contribution
hereto, or if the Company determines that a contribution has been made as the
result of a good faith mistake of fact, then the Company may direct that any
nondeductible Employer Contribution or any other contribution

                                       48
<PAGE>
 
made as the result of a mistake of fact shall be refunded to the Employer or
Participant in accordance with applicable provisions of ERISA.

     Section 11.04. Non-Alienation.
     -------------                 

Except as may be otherwise provided herein, no right or interest of any
Participant or Beneficiary in the Plan and the Trust Fund shall be subject in
any manner to anticipation, alienation, sale, transfer, assignment, pledge,
encumbrance, charge, attachment, garnishment, execution, levy, bankruptcy, or
any other disposition of any kind, either voluntary or involuntary, prior to
actual receipt of payment by the person entitled to such right or interest under
the provisions hereof, and any such disposition or attempted disposition shall
be void.  Notwithstanding the foregoing, the Trustee shall recognize a qualified
domestic relations order with respect to child support, alimony payments or
marital property rights if the Company determines that such order meets the
applicable requirements of Code Section 414(p).  If any such order so directs, a
lump sum distribution of benefits to an alternate payee may be made at a time
when such distribution could not be made to the Participant hereunder.  The
Company shall establish written procedures concerning notification of interested
parties and the determination of the validity of such orders.

     Section 11.05. Indemnification.
     -------------                  

The Employer shall indemnify each member of the Company and the Board and hold
each of them harmless from the consequences of his acts or conduct in his
official capacity, if he acted in good faith and in a manner he reasonably
believed to be solely in the best interests of the Participants and their
beneficiaries, and with respect to any criminal action or proceeding had no
reasonable cause to believe his conduct was unlawful.  Such indemnification
shall cover any and all attorneys' fees and expenses, judgments, fines and
amounts paid in settlement, but only to the extent that such amounts are not
paid to such person(s) under the Employer's fiduciary insurance policy, if any,
and to the extent that such amounts are actually and reasonably incurred by such
person(s).

     Section 11.06. Facility of Payment.
     -------------                      

If the Company shall determine that a Participant entitled to a distribution
hereunder, or his Beneficiary, is incapable of caring for his own affairs,
because of illness or otherwise, it may direct that any distribution from such
Participant's Accounts may be made, in such shares as it shall determine, to the
spouse, child, parent or other blood relative of such Participant, or his
Beneficiary, or any of them, or to such other person or persons as the Company
may determine, until such date as it shall determine that such incapacity no
longer exists.  The Company shall be under no obligation to see to the proper
application of the distributions so made to such person or

                                       49
<PAGE>
 
persons and any such distribution shall be a complete discharge of any liability
under the Plan to such Participant, or his Beneficiary, to the extent of such
distribution.

     Section 11.07. Board Action.
     -------------               

Any action which is required or permitted to be taken by the Board under the
Plan may be taken by the Executive Committee of the Board or any other
authorized Committee of the Board.

     Section 11.08. Mergers, Consolidations and Transfer of Plan Assets.
     -------------                                                      

In the case of any merger or consolidation with, or transfer of assets or
liabilities to or from any other plan, each Participant in the Plan must be
entitled (if the Plan then terminates) to receive a benefit immediately after
the merger, consolidation, or transfer which is equal to or greater than the
benefit he would have been entitled to receive immediately before the merger,
consolidation, or transfer (if the Plan had then terminated).

     Section 11.09. Fiduciaries.
     -------------              

Any person may serve in more than one fiduciary capacity with respect to the
Plan. Any fiduciary hereunder, as an individual, may employ such legal,
actuarial, accounting or other assistant, he may deem necessary to fulfill his
obligations hereunder, which assistants may be those consulted by the Employer,
the Trustee, the Plan or other fiduciaries.

                                      50
<PAGE>
 
                                 ARTICLE XII.

                           TOP-HEAVY PLAN PROVISIONS

     Section 12.01. Effect of Top-Heavy Status.
     -------------                             

The Plan shall be a Top-Heavy Plan for any Plan Year if either of the following
conditions applies:

          (i)   The Top-Heavy Ratio for the Plan exceeds 60% and the Plan is not
     part of any Required Aggregation Group or Permissive Aggregation Group
     having a Top-Heavy Ratio of less than 60%.(i) The Top-Heavy Ratio for the
     Plan exceeds 60% and the Plan is not part of any Required Aggregation Group
     or Permissive Aggregation Group having a Top-Heavy Ratio of less than 60%.

          (ii)  The Plan is part of a Required Aggregation Group having a Top-
     Heavy Ratio which exceeds 60% and is not part of a Permissive Aggregation
     Group having a Top-Heavy Ratio of less than 60%.(ii) The Plan is part of a
     Required Aggregation Group having a Top-Heavy Ratio which exceeds 60% and
     is not part of a Permissive Aggregation Group having a Top-Heavy Ratio of
     less than 60%.

If the Plan is a Top-Heavy Plan in any Plan Year, the provisions of Sections
12.03 through 12.05 shall supersede any conflicting provisions of the Plan.

     Section 12.02. Additional Definitions.
     -------------                         

Solely for purposes of this Article, the following terms shall have the meanings
set forth below:

     (a)  Key Employee means any employee or former employee (and the
beneficiary of such employee) whose status as an officer or owner of the Plan
sponsor makes him a key employee as determined in accordance with Code Section
416(i)(1)22 and the regulations thereunder.(a) Key Employee means any employee
or former employee (and the beneficiary of such employee) whose status as an
officer or owner of the Plan sponsor makes him a key employee as determined in
accordance with Code Section 416(i)(1)22 and the regulations thereunder.

     (b)  Determination Date means the last day of the preceding Plan Year.(b)
Determination Date means the last day of the preceding Plan Year.

                                      51
<PAGE>
 
     (c)  Top-Heavy Ratio means a fraction, the numerator of which is the sum of
account balances under any defined contribution plans for all Key Employees and
the present value of accrued benefits under any defined benefit plans for all
Key Employees, and the denominator of which is the sum of the account balances
under any defined contribution plans for all Participants and the present value
of accrued benefits under any defined benefit plans for all Participants,
excluding the account balances and accrued benefits of all Participants who have
not performed services for the Employer during the preceding 5-year period. Both
the numerator and denominator of the Top-Heavy Ratio shall be adjusted for any
distribution of an account balance or an accrued benefit made in the 5-year
period ending on the Determination Date and any contribution due but unpaid as
of the Determination Date. For purposes of the preceding sentence, (i) the value
of account balances and the present value of accrued benefits shall be
determined as of the most recent Valuation Date that falls within or ends with
the 12-month period ending on the Determination Date, and (ii) the account
balances and accrued benefits of a Participant who is not a Key Employee but who
was a Key Employee in a prior year shall be disregarded. The calculation of the
Top-Heavy Ratio, and the extent to which distributions, rollovers and transfers
are taken into account will be made in accordance with Code Section 416 and the
regulations thereunder. Deductible employee contributions will not be taken into
account for purposes of computing the Top-Heavy Ratio. When aggregating plans,
the value of account balances and accrued benefits will be calculated with
reference to the Determination Dates that fall within the same calendar year.
The present value of accrued benefits shall be determined pursuant to Code
Section 416(g) using a 5% interest assumption and the UP-1984 Mortality
Table.(c) Top-Heavy Ratio means a fraction, the numerator of which is the sum of
account balances under any defined contribution plans for all Key Employees and
the present value of accrued benefits under any defined benefit plans for all
Key Employees, and the denominator of which is the sum of the account balances
under any defined contribution plans for all Participants and the present value
of accrued benefits under any defined benefit plans for all Participants,
excluding the account balances and accrued benefits of all Participants who have
not performed services for the Employer during the preceding 5-year period. Both
the numerator and denominator of the Top-Heavy Ratio shall be adjusted for any
distribution of an account balance or an accrued benefit made in the 5-year
period ending on the Determination Date and any contribution due but unpaid as
of the Determination Date. For purposes of the preceding sentence, (i) the value
of account balances and the present value of accrued benefits shall be
determined as of the most recent Valuation Date that falls within or ends with
the 12-month period ending on the Determination Date, and (ii) the account
balances and accrued benefits of a Participant who is not a Key Employee but who
was a Key Employee in a prior year shall be disregarded. The calculation of the
Top-Heavy Ratio, and the extent to which distributions, rollovers and transfers
are taken into account will be made in accordance with Code Section 416 and the
regulations thereunder. Deductible employee contributions will not be taken into
account 

                                      52
<PAGE>
 
for purposes of computing the Top-Heavy Ratio. When aggregating plans, the value
of account balances and accrued benefits will be calculated with reference to
the Determination Dates that fall within the same calendar year. The present
value of accrued benefits shall be determined pursuant to Code Section 416(g)
using a 5% interest assumption and the UP-1984 Mortality Table.

     (d)  Permissive Aggregation Group means the Required Aggregation Group of
plans plus any other plan or plans of the Employer which, when considered as a
group with the Required Aggregation Group, would continue to satisfy the
requirements of Code Sections 401(a)(4) and 410.(d) Permissive Aggregation Group
means the Required Aggregation Group of plans plus any other plan or plans of
the Employer which, when considered as a group with the Required Aggregation
Group, would continue to satisfy the requirements of Code Sections 401(a)(4) and
410.

     (e)  Required Aggregation Group means (i) each qualified plan of the
Employer in which at least one Key Employee participates, and (ii) any other
qualified plan of the Employer which enables a plan described in (i) to meet the
requirements of Code Sections 401(a)(4) and 410.(e) Required Aggregation Group
means (i) each qualified plan of the Employer in which at least one Key Employee
participates, and (ii) any other qualified plan of the Employer which enables a
plan described in (i) to meet the requirements of Code Sections 401(a)(4) and
410.

     (f)  Valuation Date means (i) in the case of a defined contribution plan,
the Determination Date, and (ii) in the case of a defined benefit plan, the date
as of which funding calculations are generally made within the 12-month period
ending on the Determination Date.(f) Valuation Date means (i) in the case of a
defined contribution plan, the Determination Date, and (ii) in the case of a
defined benefit plan, the date as of which funding calculations are generally
made within the 12-month period ending on the Determination Date.

     (g)  Employer means the employer or employers whose employees are covered
by this Plan and any other employer which must be aggregated with any such
employer under Code Section 414(b), (c) and (m).(g) Employer means the employer
or employers whose employees are covered by this Plan and any other employer
which must be aggregated with any such employer under Code Section 414(b), (c)
and (m).

                                      53
<PAGE>
 
     Section 12.03. Vesting.
     -------------          

If the Plan is a Top-Heavy Plan in any Plan Year, the vesting schedule shall
automatically be amended for any Participant employed on the first day of such
year or thereafter so that the vested percentage for employer-derived benefits
is equal to the greater of the vesting provided under other provisions of the
Plan or the following schedule:

<TABLE>
<CAPTION>
                Years of Service        Vested Percentage
                <S>                     <C>
                        1                       0%      
                        2                      20%      
                        3                      40%      
                        4                      60%      
                        5                      80%      
                    6 or more                 100%      
</TABLE>

where Years of Service means the years credited for vesting purposes under the
Plan or, if greater, the years required to be counted under Code Section 411 and
applicable regulations thereto. If the Plan thereafter ceases to be a Top-Heavy
Plan for any Plan Year, the vesting schedule above shall be disregarded and the
original schedule applied, except with respect to any Participant with three or
more Years of Service and except that no Participant's vested percentage as of
the end of a prior year shall be decreased. Any non-vested Participant who
acquires a vested interest in the employer-derived benefit by operation of the
amended vesting schedule shall not be subject thereafter to a cancellation of
service. Notwithstanding anything in this Section to the contrary, the amendment
of the vesting schedule pursuant to this subsection shall not affect the
calculation of benefit amounts or the determination of benefit commencement
dates hereunder.

     Section 12.04. Minimum Benefits.
     -------------                   

For any year in which the Plan is a Top-Heavy Plan, each Participant who is not
a Key Employee shall receive allocations of Employer contributions and
forfeitures under this Plan and any other defined contribution plan maintained
by the Employer at least equal to 5% of compensation (as defined in Code Section
415) for such year, or, if less, the percentage of compensation allocated on
behalf of the Key Employee for whom such percentage was the highest for the Plan
Year; provided, however, that if the Participant is also covered by a defined
benefit plan, such Employee will only be entitled to the defined benefit plan
minimum.

     Section 12.05. Maximum Benefit Limits.
     -------------                         

                                      54
<PAGE>
 
If the Employer maintains a defined benefit plan and a defined contribution plan
which both cover one or more of the same Key Employees, and if such plans are
Top-Heavy, then the limitation stated in a separate provision of this Plan with
respect to the Code Section 415(e) maximum benefit limitations shall be amended
to refer to a 1.0 adjustment on the dollar limitation rather than a 1.25
adjustment. This provision shall not apply if the Top-Heavy Ratio is less than
90% and if the minimum benefit requirements referred to in Section 12.04 are met
when the defined benefit minimum is changed from 2% to 3% and 20% is changed to
an amount not greater than 30% which equals 20% plus 1% for each year this is a
Top-Heavy Plan.

                                      55
<PAGE>
 
                                  APPENDIX A


I.   E for M

     Effective May 1, 1996, the E for M Corporation Employees Profit Sharing
Plan was merged into this Plan, and E for M Corporation and Optical Devices,
Inc. became included subsidiaries. The following provisions apply on and after
May 1, 1996:

     1.   Employment with E for M Corporation, Optical Devices, Inc. and their
predecessors prior to May 1, 1996 will be treated as employment with an
Affiliate.

     2.   Accounts transferred from the E for M Plan will be paid to married
Participants in the form of a joint and survivor annuity providing benefits to
the Participant for life and 50% of that amount to the Participants surviving
spouse for life, unless, after at least 30 days prior notice, the Participant
elects a different form of distribution, with notarized written consent of the
Participants spouse. In addition to the forms of distribution otherwise
available under the plan, such Participants will have the following additional
options with respect to such transferred amounts:

          Single life annuity, as well as single life with 5, 10, or 15 years
          guaranteed.

          Joint and survivor annuity with 50%, 66-1/3% or 100% continued to the
          survivor.

          Minimum distribution beginning at age 70-1/2, determined under rules
          permitted by Code Section 401(a)(9).

     3.   Account balances transferred from E for M will be subject to hardship
withdrawal to the extent of employee deferrals, according to the following
rules:

          A withdrawal shall be deemed to be on account of a financial hardship
if the distribution is for:

               (i)   unreimbursed medical expenses described in Code Section
                     213(d) previously incurred by the Participant, the
                     Participants spouse or any dependents of the Participant
                     (as defined in Code Section 152) or necessary for such
                     individuals to obtain medical care described in Code
                     Section 213(d)

                                      56
<PAGE>
 
               (ii)  costs directly related to the purchase (excluding mortgage
                     payments) of a principal residence for the Participant;

               (iii) payment of tuition and related educational fees for the
                     next twelve (12) months or quarter of post-secondary
                     education for the Participant or the Participants spouse or
                     dependents; or

               (iv)  payments necessary to prevent the eviction of the
                     Participant from his principal residence or foreclosure on
                     the mortgage of the Participants principal residence.

     The hardship withdrawal (i) shall be limited to the amount of the financial
hardship, including any amounts necessary to pay any income taxes or penalties
reasonably anticipated to result from the withdrawal and (ii) shall be made only
after the Participant takes all permitted loans and distributions hereunder and
pursuant to any other plan maintained by the Employers. Any Participant who
makes a withdrawal under this Section shall have his 401K contributions and any
other elective contributions or employee contributions under this Plan or any
other plan of deferred compensation maintained by the Employer (both qualified
and nonqualified) automatically suspended for a period of twelve (12) months
following such withdrawal. The amount which such a Participant may contribute as
401K contributions for the calendar year following such withdrawal shall not
exceed the amount described in Section 402(g) for such year, reduced by the
amount of such Participants actual Deposits for the calendar year in which the
withdrawal occurred.

II.  Corometrics Medical Systems, Inc.II. Corometrics Medical Systems, Inc.

     Effective August 1, 1994, Corometrics Medical Systems, Inc. became an
Employer under this Plan, after having participated in the American Home
Products Corporation Savings Plan (AHPC Plan). With respect to accounts
transferred to this Plan from the AHPC Plan:

     Participants are fully vested in all account balances so transferred.

     A separate account will be set up to record qualified voluntary employee
contributions made prior to January 1, 1987 and earnings thereon.

     AHPC common stock transferred from the AHPC Plan will be segregated for
investment purposes. Participants may direct investments out of this Account,
but not into it.

     Loans transferred in kind from the AHPC Plan will continue amortization
according to their schedules.

                                      57

<PAGE>
 
                                 EXHIBIT 10.21
                                 -------------

                                AMENDMENT NO. 1
                          TO THE AMENDED AND RESTATED
                        MARQUETTE MEDICAL SYSTEMS, INC.
                        PROFIT-SHARING AND 401(K) PLAN

     WHEREAS, the Company has heretofore adopted and maintains the Amended and
Restated Marquette Medical Systems, Inc. Profit Sharing and 401(k) Plan; and

     WHEREAS, the Directors wish to add a provision to the Plan to permit a
discretionary profit sharing contribution to be made, if the Board so elects, to
be allocated on the basis of an equal amount per Participant;

     NOW, THEREFORE, BE IT RESOLVED that effective for the Plan year ending
     April 30, 1998, Section 3.03 of the Plan document is amended by adding
     paragraph (c) to read as follows:

          (c)  In lieu of, or in addition to, the contribution under paragraph
     (a) above, the Employer may make a Profit Sharing Contribution for a Plan
     Year which is allocated to Participants Accounts in the same amount for
     each eligible Participant. Paragraph (b) above describes the eligible
     Participants. This contribution, together with any other contribution,
     shall not exceed the lesser of: (i) the amount that can be allocated to
     Participants Accounts hereunder after giving effect to the limitations
     described in Section 3.04 or (ii) the maximum amount deductible for federal
     income tax purposes for such Plan year. This contribution may be in cash or
     in kind and all or any portion may be designated by the Board for
     investment in the Marquette Stock Account.

          FURTHER RESOLVED, that this Amendment shall be known as Amendment No.
     1 to the Amended and Restated Medical Systems, Inc. Profit-Sharing and
     401(k) Plan.


                                            Approved February 20, 1998
     

<PAGE>
 
                                                                    EXHIBIT 13.1

                          [ANNUAL SHAREHOLDER REPORT]
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
APRIL 30, 1998 AND 1997 (Dollars in Thousands Except Per Share Data)

<TABLE> 
<CAPTION> 
ASSETS                                                                                1998                1997     
                                                                                 --------------      --------------
<S>                                                                              <C>                 <C>           
CURRENT ASSETS:                                                                                                              
   Cash and cash equivalents                                                         $    5,063          $    2,704
   Accounts receivable, less allowances of $4,283 and $4,164                            159,343             140,136
   Inventories                                                                          109,003             110,779
   Prepaid expenses and other                                                             5,068               4,850
   Deferred income tax benefits                                                          11,337               8,304
                                                                                 --------------      --------------
           Total current assets                                                         289,814             266,773
                                                                                 --------------      -------------- 
                                                                                                                            
PROPERTY AND EQUIPMENT:                                                                                                      
   Land and improvements                                                                 19,249              19,757
   Buildings                                                                             44,656              43,528
   Equipment                                                                             95,386              85,321
   Construction in progress                                                              16,594               7,371
                                                                                 --------------      -------------- 
                                                                                        175,885             155,977
   Less-Accumulated depreciation                                                         62,181              58,985
                                                                                 --------------      --------------
           Net property and equipment                                                   113,704              96,992
                                                                                 --------------      -------------- 
                                                                                                                             
OTHER ASSETS:                                                                                                                
   Goodwill, less accumulated amortization of $12,773 and $9,828                         33,050              39,984 
   Other intangibles, less accumulated amortization of $4,991 and $2,945                 14,146              16,547
   Cash surrender value and other                                                         8,646               8,036
                                                                                 --------------      -------------- 
           Total other assets                                                            55,842              64,567
                                                                                 --------------      -------------- 
           Total assets                                                              $  459,360          $  428,332
                                                                                 ==============      ==============
</TABLE> 
 
The accompanying notes are an integral part of these consolidated balance 
sheets.

20
<PAGE>

<TABLE>  
<CAPTION> 
LIABILITIES AND SHAREHOLDERS' EQUITY

CURRENT LIABILITIES:                                    1998      1997
                                                     ---------  ---------
<S>                                                  <C>        <C> 
   Amounts due to bank                               $  11,499  $  11,114 
   Notes payable to bank                                35,378     30,422
   Accounts payable                                     31,122     28,674
   Accrued liabilities-                         
          Payroll related expenses                      21,293     22,910
          Warranty                                       6,656      6,191
          Other                                         21,639     18,280
                                                     ---------  --------- 
               Total current liabilities               127,587    117,591 
                                                     ---------  ---------

LONG-TERM DEBT, less current maturities                 37,500     57,000 
DEFERRED INCOME TAXES                                   15,911     16,814 
PENSION AND OTHER LONG-TERM LIABILITIES                 56,046     45,727
COMMON STOCK UNDER REPURCHASE AGREEMENTS (NOTE 11)       8,000      8,000
SHAREHOLDERS' EQUITY:
   Common Stock, $.10 par value, 30,000,000
   shares authorized, 17,905,343 and 17,602,407
   shares issued                                         1,791      1,760 
   Additional paid-in capital                           58,445     52,890     
   Retained earnings                                   173,982    147,343    
   Treasury Stock, Zero and 18,900 shares
   at cost                                                   -       (312)
   Cumulative translation adjustment                   (11,902)   (10,481)
   Common Stock under repurchase agreements             (8,000)    (8,000)
   (Note 11)
                                                     ---------  ---------
               Total Shareholders' equity              214,316    183,200
                                                     ---------  ---------
               Total liabilities and shareholders'    
               equity                                $ 459,360  $ 428,332 
                                                     =========  =========  
</TABLE> 

The accompanying notes are an integral part of these consolidated balance
sheets.

                                                                              21
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF INCOME
FOR THE YEARS ENDED APRIL 30, 1998, 1997, AND 1996 (Dollars in Thousands Except 
 Per Share Data)

<TABLE> 
<CAPTION> 
                                                   1998       1997      1996 
                                                 --------   --------  --------
<S>                                              <C>        <C>       <C> 
NET SALES                                        $578,260   $543,317  $416,293
COST OF SALES                                     287,641    274,155   214,947
                                                 --------   --------  -------- 
   Gross profit                                   290,619    269,162   201,346
                                                 --------   --------  --------  
ENGINEERING EXPENSES                               52,594     48,106    37,307
SELLING EXPENSES                                  141,427    138,044   105,259
GENERAL AND ADMINISTRATIVE EXPENSES                46,926     44,088    32,880
RESTRUCTURING EXPENSES                                  -          -     3,956
WRITE-OFF OF ACQUIRED IN-PROCESS                     
RESEARCH & DEVELOPMENT                                  -          -    35,700
                                                 --------   --------  --------
   Total operating expenses                       240,947    230,238   215,102
                                                 --------   --------  --------  
   Operating income (loss)                         49,672     38,924   (13,756)
INTEREST EXPENSE                                    5,982      8,434     4,386
OTHER EXPENSE (INCOME), net                         (323)    (3,604)   (1,162)
                                                 --------   --------  --------  
   Income (loss) before provision for income 
    taxes                                          44,013     34,094   (16,980) 
   Provision for income taxes                      17,374     12,903     7,888
                                                 --------   --------  --------
NET INCOME (LOSS)                                $ 26,639   $ 21,191  $(24,868)
                                                 ========   ========  ======== 
PER CLASS A COMMON SHARE:
   Basic net income (loss)                       $   1.50   $   1.29  $  (1.53)
                                                 ========   ========  ======== 
   Diluted net income (loss)                     $   1.46   $   1.27  $  (1.53)
                                                 ========   ========  ======== 
</TABLE> 

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

22
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
FOR THE YEARS ENDED APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands)

<TABLE> 
<CAPTION> 
CASH FLOWS FROM OPERATING ACTIVITIES:                                       1998           1997           1996     
                                                                         ---------      ----------     ---------- 
<S>                                                                      <C>            <C>            <C>       
   Net income (loss)                                                     $ 26,639       $ 21,191       $(24,868) 
   Adjustments to reconcile net income (loss) to net cash  
    provided by operating activities-             
       Depreciation and amortization                                       20,111         22,026         12,042
       Write-off of acquired in-process research & development                 --             --         35,700  
       Deferred income taxes                                                  423         (2,540)          (634)
       Changes in assets and liabilities-
         Accounts receivable                                              (21,043)        (4,810)           992  
         Inventories                                                          512         (7,373)         2,379  
         Prepaid expenses and other assets                                 (1,727)          (703)         6,497
         Accounts payable and accrues liabilities                          12,487           (928)        (8,123)
                                                                        ---------       --------       --------   
           Net cash provided by operating activities                       37,402         26,863         23,985 

CASH FLOWS FROM INVESTING ACTIVITIES:
   Capital expenditures, net                                              (25,537)       (18,211)       (11,399)
   Purchase of E for M Corporation,  
    net of cash acquired                                                       --             --        (89,171) 
                                                                        ---------       --------       --------    
           Net cash used in investing activities                          (25,537)       (18,211)      (100,570) 

CASH FLOWS FROM FINANCING ACTIVITIES:
   Net proceeds (repayments) from notes payable to bank                     5,186         (1,124)         3,005
   Proceeds from issuance of long-term debt                                    --             --         90,000    
   Payments on long-terms debt                                            (19,500)       (26,911)       (17,000)
   Proceeds from issuance of common stock                                  (4,836)        25,484          1,393 
   Purchase of treasury stock                                                  --         (4,643)            --  
                                                                        ---------       --------       --------       
           Net cash (used in) provided by financing activities             (9,478)        (7,194)        77,398

EFFECT OF EXCHANGE RATE CHANGES ON CASH AND 
CASH EQUIVALENTS                                                              (28)        (1,644)        (1,253)  
                                                                        ---------       --------       --------    
           Net increase (decrease) in cash and cash equivalents             2,359           (186)          (440)

CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR                              2,704          2,890          3,330
                                                                        ---------       --------       --------    
CASH AND CASH EQUIVALENTS AT END OF YEAR                                $   5,063       $  2,704       $  2,890
                                                                        =========       ========       ========     
</TABLE> 

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

                                                                              23
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
FOR THE YEARS ENDED APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands)

<TABLE> 
<CAPTION> 
                                             Class A                     Class C
                                           Common Stock                Common Stock                 Treasury Stock       Additional
                                     -----------------------     -------------------------     -----------------------     Paid-In
                                       Shares       Amount         Shares         Amount         Shares       Amount       Capital
                                     ----------   ----------     ----------     ----------     ----------   ----------   -----------
<S>                                  <C>          <C>            <C>            <C>            <C>          <C>          <C>  
BALANCE, APRIL 30, 1995              15,946,605    $1,594         26,250,000       $ 263             --         $--        $26,870
 ....................................................................................................................................
Issuance of common stock               
   under option                         113,706        12                 --          --             --          --          1,381
 ....................................................................................................................................
Cumulative translation 
   adjustment                                --        --                 --          --             --          --             --
 ....................................................................................................................................
Conversion of E for M stock
   options into Marquette options            --        --                 --          --             --          --          3,083
 ....................................................................................................................................
Tax benefit related to options               --        --                 --          --             --          --            235
 ....................................................................................................................................
Net loss                                     --        --                 --          --             --          --             --
 .....................................----------...---------......------------...----------.....----------...---------....-----------
BALANCE, APRIL 30, 1996              16,060,311    $1,606         26,250,000       $ 263             --         $--        $31,569
 ....................................................................................................................................
Issuance of common stock
   in offering                        1,373,422       137                 --          --             --          --         23,471
 ....................................................................................................................................
Issuance of common stock                
   under option                         168,674        17                 --          --             --          --          1,859
 ....................................................................................................................................
Purchase of treasury stock                   --        --                 --          --       (281,400)     (4,643)            --
 ....................................................................................................................................
Cumulative translation
   adjustment                                --        --                 --          --             --          --             --
 ....................................................................................................................................
Conversion of Class C stock
   into Class A stock                        --        --        (26,250,000)       (263)       262,500       4,331         (4,069)
 ....................................................................................................................................
Tax benefit related to options               --        --                 --          --             --          --             60
 ....................................................................................................................................
Net income                                   --        --                 --          --             --          --             --
 .....................................----------...---------......------------...----------.....----------...---------....-----------
BALANCE, APRIL 30,1997               17,602,407    $1,760                 --         $--        (18,900)     $ (312)       $52,890
 ....................................................................................................................................
Issuance of common stock              
   under option                         302,936        31                 --          --         18,900         312          4,495
 ....................................................................................................................................
Cummulative translation
   adjustment                                --        --                 --          --             --          --             --
 ....................................................................................................................................
Tax benefit related to options               --        --                 --          --             --          --          1,060
 ....................................................................................................................................
Net income                                   --        --                 --          --             --          --             --
 .....................................----------...---------......------------...----------.....----------...---------....-----------
BALANCE, APRIL 30, 1998              17,905,343    $1,791                 --         $--             --         $--        $58,445
 .....................................==========...=========......===========-...==========.....==========...=========....===========

<CAPTION> 
                                                             Cumulative
                                         Retained            Translation
                                         Earnings            Adjustment
                                       ------------        ----------------
<S>                                    <C>                 <C> 
BALANCE, APRIL 30, 1995                  $151,020            $   (854)
 ........................................................................... 
Issuance of common stock                                             
   under option                                --                  -- 
 ........................................................................... 
Cumulative translation                                              
   adjustment                                  --              (2,811)
 ........................................................................... 
Conversion of E for M stock                                  
   options into Marquette options              --                  -- 
 ........................................................................... 
Tax benefit related to options                 --                  -- 
 ........................................................................... 
Net loss                                  (24,868)                 --
 .......................................------------..........--------------  
BALANCE, APRIL 30, 1996                  $126,152            $ (3,665)                                                              
 ........................................................................... 
Issuance of common stock                                     
   in offering                                 --                  --  
 ........................................................................... 
Issuance of common stock                                     
   under option                                --                  -- 
 ........................................................................... 
Purchase of treasury stock                     --                  -- 
 ........................................................................... 
Cumulative translation                                       
   adjustment                                  --              (6,816)
 ........................................................................... 
Conversion of Class C stock                                  
   into Class A stock                          --                  -- 
 ........................................................................... 
Tax benefit related to options                 --                  -- 
 ........................................................................... 
Net income                                 21,191                  --
 .......................................------------..........--------------  
BALANCE, APRIL 30,1997                   $147,343            $(10,481)
 ........................................................................... 
Issuance of common stock                                     
   under option                                --                  -- 
 ........................................................................... 
Cummulative translation                                      
   adjustment                                  --              (1,421)    
 ........................................................................... 
Tax benefit related to options                 --                  --  
 ........................................................................... 
Net income                                 26,639                  --
 .......................................------------..........--------------  
BALANCE, APRIL 30, 1998                  $173,982            $(11,902)    
 .......................................============..........==============  
</TABLE> 

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

24

<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

(1)  NATURE OF OPERATIONS-

          Marquette Medical Systems, Inc. (the "Company," formerly known as
          Marquette Electronics, Inc.) is a worldwide leader in the development
          and manufacture of medical equipment and integrated systems for
          patient monitoring and diagnostic cardiology applications. The Company
          also develops clinical information systems, designed to be integrated
          with medical equipment, consisting of hardware and software used by
          integrated health care delivery networks and individual hospitals to
          electronically acquire, record, store, analyze and distribute patient
          medical data. The Company's products are used principally in critical
          and intensive care units, operating and recovery rooms, step-down
          units, labor and delivery units, cardiology departments, cardiac
          catheterization laboratories and related areas of acute care
          hospitals. In addition, the Company's products are increasingly being
          used in smaller hospitals, medical clinics, outpatient surgery
          centers, physician offices and homes. The Company covers the United
          States market, most of Western Europe and Australia through its own
          sales force. The remainder of the international market is served by
          dealers.

(2)  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES-
     
     (A)  BASIS OF CONSOLIDATION-

          The consolidated financial statements include the accounts of
          Marquette Medical Systems, Inc. and its foreign and domestic
          subsidiaries. All significant intercompany accounts and transactions
          have been eliminated in consolidation.

     (B)  REVENUE RECOGNITION-

          Revenue is recognized on an accrual basis when equipment and supplies
          are shipped. Revenue for service contracts is recognized over the term
          of the contract, typically twelve months. Costs related to service
          contracts are expensed as incurred.

     (C)  SUPPLEMENT DISCLOSURE OF CASH FLOW INFORMATION-
          
<TABLE> 
<CAPTION> 
                                        Year Ended April 30,
                                  ------------------------------
                                     1998       1997       1996
                                  ---------   --------   -------
<S>                               <C>         <C>        <C> 
Cash paid during the year for-
     Interest                     $   5,560    $ 8,059   $ 4,153
     Income taxes                 $  17,794    $13,409   $ 9,789  
</TABLE> 

The Company purchased all of the capital stock of E for M Corporation for 
$90,333 in fiscal 1996.

In conjunction with the acquisition, liabilities were assumed as follows:

<TABLE> 
<CAPTION> 
                                        Year Ended April 30,
                                  -------------------------------
                                    1998       1997       1996   
                                  --------   ---------  ---------
<S>                               <C>        <C>        <C> 
Fair value of assets
     acquired (including
     goodwill)                    $      -   $       -   $215,524   
Cash paid for the capital
     stock                               -           -     90,333
Stock options converted                  -           -      3,083
                                  --------   ---------    -------
Liabilities assumed               $      -   $       -   $122,108  
                                  ========   =========   ========
</TABLE> 

                                                                              25



<PAGE>    
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

(D)  INVENTORIES-

          Inventories consist of the following:

<TABLE> 
<CAPTION> 
                                                         April, 30
                                                   ---------------------
                                                     1998         1997
                                                   --------     --------
          <S>                                      <C>          <C> 
          Raw materials and component parts        $ 30,350     $ 31,629
          Work-in-process and finished goods         54,602       56,434
          Inventory on loan or consignment           24,051       22,716
                                                   --------     --------
                                                   $109,003     $110,779
                                                   ========     ========
</TABLE> 

          For its domestic inventories (representing 70% and 72% of total
          inventories at April 30, 1998, and 1997, respectively), the Company
          employs the last-in, first-out (LIFO) cost method. The first-in, 
          first-out (FIFO) cost method is used for all remaining inventories. If
          the FIFO cost method had been used for domestic inventories instead of
          the LIFO costs method, the carrying value assigned to inventories
          would have been $2,197 and $2,206 less at April 30, 1998 and 1997,
          respectively.

     (E)  PROPERTY AND EQUIPMENT-

          Property and equipment, along with improvements that significantly
          extend the useful life of existing assets, are carried at cost.
          Depreciation is provided on the straight-line method over the
          estimated useful lives of the assets which range from 15-20 years for
          land improvements, 40-50 years for buildings and 3-7 years for
          equipment.

     (F)  ENGINEERING EXPENSES-

          Engineering expenses represent research and development costs and are
          charged to operations as incurred. The Company also charged to
          operations $35,700 related to the write-off of acquired in-process
          research and development attributable to the E for M acquisition in
          fiscal 1996. See Note 4 for further discussion of purchased research
          and development costs.

     (G)  ADVERTISING COSTS-

          Advertising costs are charged to operations as incurred. Such charges
          were $4,052, $3,541 and $2,260 in fiscal 1998, 1997 and 1996,
          respectively.

     (H)  CASH AND CASH EQUIVALENTS-

          For purposes of the consolidated statements of cash flows, the Company
          considers all highly liquid investments with a maturity of three
          months or less at the time of purchase to be cash equivalents.

     (I)  FOREIGN CURRENCY-

          Asset and liability accounts of the Company's foreign operations are
          translated at the current exchange rate, and income and expense
          accounts are translated at the average of the monthly exchange rates.
          Gains and losses resulting from the translation of foreign currency
          financial statements are classified as separate component of
          shareholders' equity.

          Foreign currency transaction gains (losses) totalling $774, $1,811 and

26

<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)


          $744 are included in other income in the consolidated statements of
          income for fiscal 1998, 1997, and 1996, respectively.

          As a hedge against foreign accounts payable, the Company at times has
          entered into various forward exchange contracts to exchange foreign
          contracts to exchange foreign currencies for United States dollars at
          a fixed rate. Market value gains and losses resulting from these
          contracts are recognized in the consolidated statements of income and
          offset foreign exchange gains or losses on the foreign payables at
          their maturity date. As of April 30,1998 the Company has two such
          contracts to exchange various foreign currencies for a total contract
          amount of $1,639 and a maturity date of May 29, 1998. The carrying
          value of these contracts approximates fair value.

     (J)  NET INCOME PER COMMON SHARE-
          Class C Common Stock participates in income with Class A Common Stock
          in the ratio of 1:100. In December, 1996, all 26,250,000 outstanding
          shares of the Company's Class C common shares, $0.01 par value, were
          exchanged for 262,500 shares of Class A common stock.

          In March, 1997, the Financial Accounting Standards Board ("FASB")
          issued SFAS No.128 "Earnings per Share." The Company has adopted this
          statement in fiscal 1998.

          The weighted average shares for calculating basic net income per Class
          A common share is equal to the sum of the weighted average number of
          shares of Class A Common Stock outstanding and 1/100 of the weighted
          average number of shares of Class C Common Stock outstanding during
          the year.

          Basic earnings per common share were computed by dividing net income
          by the weighted average number of shares of common stock outstanding
          during he year. Diluted earnings per common share were determined on
          the assumption that the outstanding stock options issued by the
          Company (see Note 10) were exercised with dilution calculated using
          the treasury method. The earnings per share calculations are as
          follows:

<TABLE> 
<CAPTION> 
                                                   Year Ended April 30,      
                                             ---------------------------     
                                             1998        1997       1996     
                                             ----        ----       ----     
          <S>                               <C>          <C>        <C>      
          Net income (loss) available                                        
            to common stockholders                                           
            for basic and diluted           $26,639      $21,191    $(24,868) 
                                            =======      =======    ========= 
                                                                             
          Weighted average shares for                                        
            basic EPS                        17,726       16,452      16,254 
                                                                             
          Impact of options issued                                           
            to employees                        524          273          --  
                                            -------      -------    --------  
                                                                             
          Weighted average shares                                            
            for diluted EPS                  18,250       16,725      16,254  
                                            =======      =======    ========  
                                                                             
          Basic EPS                           $1.50        $1.29      $(1.53) 
                                            =======      =======    ========  
          Diluted EPS                         $1.46        $1.27      $(1.53) 
                                            =======      =======    ========  
</TABLE> 

(K)  GOODWILL-

          The excess of the purchase cost over the


                                                                              27
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

     fair value of net assets acquired is being amortized over a range of 15-20
     years on a straight-line basis. The Company continually evaluates whether
     later events and circumstances have occurred that indicate the remaining
     estimated useful life of goodwill may warrant revision or that the
     remaining balance of goodwill may not be recoverable. When factors indicate
     that goodwill should be evaluated for possible impairment, the Company uses
     an estimate of the related business segment's discounted net cash flows
     over the remaining life of the goodwill in measuring whether the goodwill
     is recoverable. Amortization of goodwill was $2,945 in fiscal 1998, $3,193
     in fiscal 1997, and $2,453 in fiscal 1996. The Company continually
     evaluates its long-lived assets, including goodwill, and concluded that
     there is no impairment of these assets as of April 30, 1998.

 (L) USE OF ESTIMATES-

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

 (M) RECLASSIFICATION OF PRIOR YEAR AMOUNTS-
         
          Certain prior year amounts have been reclassified to conform with
          current year presentations.

 (3) NEW ACCOUNTING PRONOUNCEMENTS-

          Statement of Position (SOP) 97-2 "Software Revenue Recognition,"
          issued in October, 1997, is effective for transactions entered into
          beginning May, 1998. This statement supersedes SOP 91-1 and provides
          guidance on applying generally accepted accounting principles in
          recognizing revenue on software transactions. The Company is currently
          analyzing the implementation of SOP 97-2 and the impact it will have
          on the Company's financial condition and results of operations.

          During June, 1997, the Financial Accounting Standards Board released
          SFAS No. 130, "Reporting Comprehensive Income," effective for fiscal
          years beginning after December 15, 1997. SFAS No. 130 establishes
          standards for reporting and displaying in the financial statements
          total net income and components of all other non-owner changes in
          equity, referred to as comprehensive income. The Company will adopt
          SFAS No. 130 in fiscal 1999 and is currently analyzing the impact it
          will have on the financial statements.
          
28

<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)


          During June, 1997, the Financial Accounting Standards Board released
          SFAS No. 131, "Disclosures about Segments of an Enterprise and Related
          Information," effective for fiscal years beginning after December 15,
          1997. SFAS No. 131 requires disclosures of business and geographic
          segments in the consolidated financial statements of the Company. The
          Company will adopt SFAS No. 131 in fiscal 1999 and is currently
          analyzing the impact it will have on the disclosures in its financial
          statements.


(4)  ACQUISITION OF E FOR M CORPORATION-

          Effective January 1, 1996, the Company acquired 100% of the common
          stock of E for M Corporation ("E for M"), an international medical
          equipment, software and supplies company serving patient monitoring
          and cardiology, which includes cardiac catheterization and
          electrophysiology laboratories. The purchase price was approximately
          $93,400 and was paid in cash and through the issuance of stock
          options. The Company converted outstanding options for E for M stock
          into options for Marquette stock as part of the transaction. The fair
          value of the converted options was $3,083. Related to this purchase,
          the Company borrowed $90,000 under bank loan agreements payable
          periodically over the next five years. The acquisition was accounted
          for as a purchase, and the excess of the purchase price over the fair
          value of the net assets acquired was allocated to goodwill. The value
          of such goodwill amounted to $22,649. In addition, the Company
          acquired intangible assets related to in-process research and
          development (R&D), product technologies and trade names with values of
          $35,700, $12,672 and $8,468, respectively. The acquired in-process R&D
          was entirely written off during fiscal 1996. The remaining intangibles
          have estimated useful lives ranging from 7 to 40 years.

          In connection with the acquisition,the Company implemented a
          restructing plan for the purpose of integrating the E for M operation
          into the Company's existing operations. This restructuring plan
          included consolidation of facilities as well as a reduction in the
          number of employees required for the combined operations. The costs
          expected to be incurred with respect to this restructing plan were
          recorded as liabilities of E for M which were assumed in the purchase
          transaction. The total restructing charges attributable to E for M
          were $10,120, of which $8,447 was estimated at the time of the
          acquisition and an additional $1,673 was related to a revision in the
          estimate. This total liability included $7,205 of severance costs,
          $992 of dealer termination costs and $1,923 of facility closing, legal
          and other costs. Restructing
          
                                                                              29

<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

        was completed in fiscal 1998 with no additional significant revision to 
        the Company's estimate.

        Unaudited pro forma results of operations, assuming the acquisition of E
        for M as of May 1, 1995, and the $35,700 write-off of acquired 
        in-process R&D in fiscal 1996, would be as follows:

<TABLE>
<CAPTION>
                                                Year Ended
                                              April 30, 1996
                                            -----------------  
        <S>                                 <C> 
        Net Sales                                $540,936

        Net Income (Loss)                         (27,430)

        Net Income (Loss) Per Class
          A Common Share                            (1.69)  
</TABLE>

(5) INCOME TAXES-

        Deferred income taxes are recorded to reflect the tax consequences on
        future years on differences between the tax basis of assets and
        liabilities and their financial reporting amounts at fiscal year end. 
        Deferred tax expense is the result of changes in deferred tax assets and
        liabilities.

        Income (loss) before income taxes consisted of the following:

<TABLE> 
<CAPTION> 
                                             Year Ended April 30,
                                        --------------------------------
                                          1998        1997        1996
                                        --------    --------    --------
        <S>                             <C>         <C>         <C> 
        United States                   $ 46,500    $ 35,768    $ 25,554
        
        Foreign                           (2,487)     (1,674)    (42,534) 
                                        --------    --------    --------
        Total                           $ 44,013    $ 34,094    $(16,980)
                                        ========    ========    ========
</TABLE> 

         The provision for income taxes consists of the following:

<TABLE> 
<CAPTION> 
                                             Year Ended April 30,
                                        --------------------------------
                                          1998        1997        1996
                                        --------    --------    --------
        <S>                             <C>         <C>         <C> 
        Current-

          Federal                       $13,484     $13,069     $ 7,692

          State                           2,582       1,990       1,072

          Foreign                           885         384        (242)
                                        --------    --------    --------
                                         16,951      15,443       8,522
       Deferred                             423      (2,540)       (634)
                                        --------    --------    --------
                                        $17,374     $12,903     $ 7,888
                                        ========    ========    ========
</TABLE> 

        A reconciliation of the statutory Federal income tax rate to the 
        consolidated effective income tax rate is as follows:

<TABLE> 
<CAPTION> 
                                             Year Ended April 30,
                                        --------------------------------
                                          1998        1997        1996
                                        --------    --------    --------
        <S>                             <C>         <C>         <C> 
        Statutory Federal income
          tax rate                        35.0%       35.0%      (35.0)%
        
        State and local income taxes,
          net of Federal income 
          tax benefit                      3.8         3.8         4.1

        Tax credits                       (1.9)       (0.9)       (0.6)

        Foreign tax rate differences and
          foreign tax loss utilization     1.4        (1.5)        7.4

        FSC benefit                       (1.6)       (1.7)       (2.7)

        Purchased R&D                        -           -        73.6

        Goodwill                           0.8         1.3         0.8

        Other                              2.0         1.8        (1.1)
                                        --------    --------    --------
          Effective income tax rate       39.5%       37.8%       46.5%
                                        ========    ========    ========
</TABLE> 

30

<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

APRIL 30, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

     Temporary differences which give rise to the deferred tax assets and 
     liabilities at April 30, 1998 and 1997 are as follows:

<TABLE> 
<CAPTION> 
                                                               April 30        
                                                       ------------------------
                                                         1998            1997  
                                                       --------        --------
     <S>                                               <C>             <C>     
     Short-term deferred tax                                                   
        assets (liabilities):                                                  
                                                                               
        Net operating loss carryforward                $19,297         $16,638 
        Employee benefits                                1,834           3,890 
        Warranty reserve                                 1,599           1,448 
        Inventories                                        488             284 
        Bad debt reserve                                   104             177 
        Capital loss carryforward                          162             167 
        Deferred revenue                                    --             427 
        Other                                              433             357 
        Valuation allowance                            (12,580)        (15,084)
                                                       -------        --------  
                                                       $11,337        $  8,304 
                                                       ========       ======== 
                                                                               
     Long-term deferred tax                                                    
        assets (liabilities):                                                  
                                                                               
        Tax Basis Difference                                                   
          of Fixed Assets                              $ (9,567)      $ (6,933)
        Tax Basis Difference                                                   
          of Intangible Assets                           (9,030)       (10,428)
        Deferred revenue                                  2,245             -- 
        Other                                               441            547 
                                                       --------       -------- 
                                                       $(15,911)      $(16,814)
                                                       =======        ========  
</TABLE> 

        The Company has tax benefits related to net operating losses of $15,801,
        $1,784, $410, $320 and $982 in Germany, France, Austria, Spain and the
        United Kingdom, respectively, which are all carried forward. The net
        operating losses in Germany and the United Kingdom can be carried
        forward, indefinitely. The net operating losses in Austria expire
        beginning in fiscal 2004 through fiscal 2005. The net operating losses
        in France expire beginning in fiscal 2002 through fiscal 2003. The net
        operating loss in Spain expires in fiscal 1999 through fiscal 2001.

(6)  NOTES PAYABLE TO BANK-

        The Company has an unsecured line of credit with a bank whereby it may
        borrow up to $25,000. As of April 30, 1998, the borrowings outstanding
        are $7,000. Standby letters of credit of $370 reduce the available
        credit to $17,630 as of April 30, 1998.

        The Company has loan authorizations and overdraft facilities with
        various banks whereby it may borrow up to $49,744 (or Eurocurrency
        equivalent) to be used for general purposes. As of April 30, 1998, the
        borrowings outstanding are $28,378. Outstanding bank guarantees of
        $10,438 reduce the available credit to $10,928 as of April 30, 1998.

        The carrying value of notes payable approximates fair market value.

        The Company has entered into some of the above foreign currency loans in
        an amount and term similar to the expected collection period of foreign
        accounts receivable as a natural hedge against these amounts. The amount
        outstanding on such loans was $11,217 and $9,754 at April 30, 1998 and
        April 30, 1997, respectively.

                                                                              31
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

          The following table summarizes certain information regarding these 
          short-term borrowings:

<TABLE> 
<CAPTION> 
                                             Year Ended April 30,
                                        -------------------------------
                                           1998        1997      1996
                                        ---------    -------  ---------
          <S>                           <C>          <C>      <C> 
          Maximum amount
            of borrowings               $47,570       $52,628  $ 28,742

          Average amount
            of borrowings                39,380        39,879    21,975
    
          Weighted average interest
            rate during year                6.7%          6.7%      6.8%

          Weighted average interest
            rate at year end                6.8%          6.7%      6.5%
</TABLE> 

(7)  LONG-TERM-DEBT-

          Long-term debt consists of the following:

<TABLE> 
<CAPTION> 
                                                       April 30,
                                                 ----------------------
                                                   1998          1997
                                                 ----------     ---------
          <S>                                    <C>            <C> 
          Senior notes, due in installments       
          through August 29, 2008, bearing
          interest at 7.46%                       $30,000        $30,000

          Term note, due installments through
          October 31, 2000, bearing interest at
          LIBOR + 1% (6.6563% at April 30, 1998)  $ 2,500        $ 9,000 
 
          Term note, due installments through
          October 31, 2000, bearing interest at
          LIBOR + 1% (6.6563% at April 30, 1998)  $ 2,500        $ 9,000 

          Term note, due installments through
          October 31, 2000, bearing interest at
          LIBOR + 1% (6.6563% at April 30, 1998)  $ 2,500        $ 9,000 
                                                  -------        -------
                                                  $37,500        $57,000
          Less- Current maturities                      -              -
                                                  -------        -------
                                                  $37,500        $57,000
                                                  =======        =======
</TABLE> 

          Scheduled maturities:

<TABLE> 
<CAPTION>           
               Year Ending
                 April 30,              Amount
               -----------            ---------
               <S>                    <C> 
                  1999                   $    -

                  2000                    7,500     

                  2001                        -   

                  2002                        -      

                  2003                        -   

               Thereafter                30,000
                                        -------
                                        $37,500
                                        =======   
</TABLE> 

          The carrying value of long-term debt approximates fair value.

          The senior notes and term notes contain restrictive covenants which,
          among other things, require the Company to maintain a minimum tangible
          net worth, a minimum interest coverage ratio and a maximum liabilities
          to tangible net worth ratio. The Company was in compliance with all
          such covenants as April 30, 1998.

(8)  COMMITMENTS AND CONTINGENCIES-

          The Company leases plant, office space, and automobiles under various
          operating lease agreements. Minimum rental commitments under leases
          having initial or remaining terms of greater than one year are, as
          follows:

<TABLE> 
<CAPTION> 
                    Year Ending
                      April 30,                   Amount
                    ------------                ---------
                    <S>                         <C>   
                       1999                      $5,198

                       2000                       3,034

                       2001                       2,115

                      Thereafter                  4,834   
</TABLE> 

          Rental expense charged to operations was $6,609, $6,076 and $1,585 in
          fiscal 1998, 1997 and 1996, respectively.

          Various lawsuits and claims are pending against the Company. Although
          the outcome of such lawsuits and claims cannot be predicted with
          certainty, the resolution of these lawsuits and claims will not, in
          the opinion of management, result in a material adverse effect on the
          financial position or results of operations of the Company.

32
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

(9)  SHAREHOLDERS' EQUITY-
          
          In March, 1997, the Company sold, through an underwritten public
          offering 1,373,422 common shares at a net price of $17.37 per share.
          The net proceeds of this offering were used to repay existing bank
          debt.
         
          In December, 1996, the Company adopted a shareholder rights plan and
          declared a dividend of one preferred share purchase right on each
          outstanding share of the Company's Common Stock. Under certain
          conditions, each right may be exercised to purchase one-hundreth share
          of a new series of nonredeemable preferred stock at an exercise price
          of $80, subject to adjustment. The rights may be exercised only after
          a public announcement that a party acquired or will make a tender to
          acquire 20% or more of the Company's Common Stock. The rights, which
          do not have voting rights, expire on December 18,2006 and may be
          redeemed by the Company at a price of $0.01 per right at any time
          prior to their expiration or the acquisition of 20% of the Company's
          Common Stock.

          In the event that the Company is acquired in a merger or other
          business combination transaction, provisions shall be made so that
          each holder of a right shall have the right to receive, upon exercise
          there of at the then current exercise price, the number of shares of
          Common Stock of the surviving company which at the time of such
          transaction would have a market value of two times the exercise price
          of the right.

(10) STOCK OPTION PLANS-

          The Company has reserved 3,500,000 share of Common Stock for issuance
          under the Amended and Restated Stock Option Plan for Employees of
          Marquette Medical Systems, Inc. (the "Plan"). Under the Plan,
          incentive options may be granted to purchase shares at or above fair
          market value on the date of grant and expire within ten years, and 
          non-qualified options may be granted at or above 85% of fair market
          value on the date of grant and expire within fifteen years. If stock
          options granted under the Plan expire or otherwise terminate without
          being exercised, the Common Stock not issued under such stock options
          shall again become available for issuance under the Plan.

                                                                              33
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1997 (Dollars in Thousands Except Per Share Data)

     Option activity during fiscal 1998, 1997 and 1996 is as follows:

<TABLE> 
<CAPTION> 
                                      Number        Weighted    
                                    of Shares        Average    
                                   Under Option   Exercise Price 
                                   ------------   --------------
     <S>                           <C>            <C> 
     Outstanding, April 30, 1995     1,422,366        $15.30     
          Granted                      895,600         17.76
          Exercised                    (96,800)        13.76
          Cancelled                   (407,950)        14.92
                                   ------------
     Outstanding, April 30, 1996     1,813,216         16.68
          Granted                      396,000         19.34
          Exercised                    (56,908)        14.57
          Cancelled                   (119,558)        16.80
                                   ------------
     Outstanding, April 30, 1997     2,032,750         17.25
          Granted                      586,900         23.49
          Exercised                   (312,910)        15.73
          Cancelled                   (525,390)        18.07
                                   ------------
     Outstanding, April 30, 1998     1,781,350         19.33
                                   ============
</TABLE> 

     The number of exercisable options as of April 30, 1998, 1997 and 1996 were
     296,050, 394,650 and 313,366, respectively. The additional shares available
     for grant were 748,407, 809,917 and 86,359 as of April 30, 1998, 1997 and
     1996, respectively.

     The options outstanding at April 30, 1998, consist of the following:

<TABLE> 
<CAPTION> 
                                                                              Weighted Average           Weighted Average       
      Price Range                   Number of Options                          Exercise Price           Years Remaining in      
                               ---------------------------              ---------------------------                             
       Per Share               Outstanding     Exercisable              Outstanding     Exercisable      Contractual Life       
     -------------             ---------------------------              ---------------------------     ------------------      
     <S>                       <C>            <C>                       <C>            <C>              <C>                     
     $14.00-$17.99               730,300          183,500                  $15.75         $14.97                6.7             
     $18.00-$21.99               475,850          112,550                  $19.79         $20.10                8.1             
     $22.00-$27.00               575,200               --                  $23.50         $   --                9.6             
                               ---------        ---------                  $19.33         $16.92                8.1             
                               1,781,350          296,050                                                                       
                               =========        =========
</TABLE> 

34
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

     In addition, in June, 1997, the Company, pursuant to resolutions adopted by
     the Board of Directors, granted its chairman options to purchase 250,000
     shares of Common Stock at an exercise price of $20.63 per share. The
     options vested immediately and expire in June, 2007. All of the options are
     outstanding as of April 30, 1998. Such options were not granted under terms
     of the Plan.

     The Company has reserved 276,042 shares of Common Stock for issuance under
     the E for M 1991 Stock Option Plan and E for M 1991 Key Employee Stock
     Option Plan. The E for M stock options outstanding on the acquisition date
     were converted into stock options of the Company in conjunction with the
     acquisition. Each option converted by the Company continues to have, and is
     subject to, the same terms and conditions set forth in E for M's stock
     option plan prior to the acquisition. The E for M stock options were
     converted into 276,042 stock options of the Company pursuant to this plan
     based on an exchange ratio of the average price of Marquette stock at the
     acquisition date to the tender price of E for M stock.

     Option activity related to this plan in fiscal 1998 and 1997 is as follows:

<TABLE> 
<CAPTION> 
                                      Number        Weighted    
                                    of Shares        Average    
                                   Under Option   Exercise Price 
                                   ------------   --------------
     <S>                           <C>            <C> 
     Outstanding, April 30, 1995            --        $   --     
          Granted                      276,042          8.58
          Exercised                    (16,906)         3.57
          Cancelled                         --            --
                                   ------------
     Outstanding, April 30, 1996       259,136          8.91
          Granted                           --            --
          Exercised                   (111,766)         9.36
          Cancelled                    (24,978)         8.21
                                   ------------
     Outstanding, April 30, 1997       122,392          8.64
          Granted                           --            --
          Exercised                    (17,426)         9.02
          Cancelled                    (14,190)         7.39
                                   ------------
     Outstanding, April 30, 1998      $ 90,776          8.76
                                   ============
</TABLE> 

     The number of exercisable options as of April 30, 1998, 1997 and 1996 were 
     66,534, 64,907 and 140,510 respectively.

     The options outstanding at April 30, 1998, consist of the following:

<TABLE> 
<CAPTION> 
                                                                         Weighted Average           Weighted Average
 Price Range                   Number of Options                          Exercise Price           Years Remaining in
                          ---------------------------              --------------------------- 
  Per Share               Outstanding     Exercisable              Outstanding     Exercisable      Contractual Life
- -------------             ---------------------------              ---------------------------     ------------------
<S>                       <C>            <C>                       <C>            <C>              <C> 
$ 6.17-$ 8.99                57,556           44,251                  $ 6.52         $ 6.54                6.1
$ 9.00-$12.76                33,220           22,283                  $12.65         $12.59                6.8
                          ---------        ---------                  $ 8.76         $ 8.57                6.3
                             90,776           66,534
                          =========        =========
</TABLE> 

                                                                              35
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

          On August 25, 1994, the Company's shareholders approved the Marquette
          Electronics, Inc. Directors' (Non-Employee) Stock Option Plan (the
          "Directors' Plan"). The Directors' Plan is designed to compensate non-
          employee members of the Board of Directors by an annual grant of non-
          qualified options for 4,000 shares of Common Stock at the then fair
          market value of the stock. These options become exercisable in four
          equal annual installments on each of the first four anniversaries of
          the date of grant and expire on the tenth anniversary date. The
          aggregate number of shares that may be issued under the Directors'
          Plan shall not exceed 250,000. During fiscal 1994, options to purchase
          16,000 shares were granted at $14.50 per share. During fiscal 1995,
          options to purchase 20,000 shares were granted at $16.00 per share.
          During fiscal 1996, options to purchase 20,000 shares were granted at
          $16.25 per share. During fiscal 1997, options to purchase 16,000
          shares were granted at $18.50 per share. During fiscal 1998, options
          to purchase 16,000 shares were granted at $26.75 per share. All
          options granted were outstanding at April 30, 1998, 48,000 shares of
          which were exercisable.

          The Company adopted SFAS No. 123 "Accounting for Stock-Based
          Compensation" with footnote disclosure. The Company still accounts for
          all of its stock option plans under APB Option No. 25, under which no
          compensation cost has been recognized. Had compensation cost for these
          plans been determined per SFAS No. 123, the Company's net income and
          earnings per share would have been reduced to the following pro forma
          amounts:

<TABLE> 
<CAPTION> 
                                                      Year Ended April 30,
                                                  ----------------------------  
                                                    1998      1997      1996  
                                                  --------  --------  --------  
          <S>                                     <C>       <C>       <C> 
          Net Income (Loss):
             As Reported                          $26,639   $21,191   $(24,868)
             Pro Forma                            $25,653   $20,151   $(25,519)

          Basic Net Income
             (Loss) Per Share:
             As Reported                            $1.50     $1.29     $(1.53)
             Pro Forma                              $1.45     $1.22     $(1.57)

          Diluted Net Income
          (Loss) Per Share:
             As Reported                            $1.46     $1.27     $(1.53)
             Pro Forma                              $1.41     $1.20     $(1.57)
</TABLE> 

          Because the SFAS No. 123 method of accounting does not apply to
          options granted prior to May 1, 1995, the resulting pro forma
          compensation cost may not be representative of that to be expected in
          future years.

36
<PAGE>

MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)
 
          The weighted average fair value of options granted in fiscal 1998,
          fiscal 1997 and fiscal 1996 were $8.68, $8.08 and $8.40, respectively.
          The fair value of each option grant is estimated on the date of grant
          using the Black-Scholes option-pricing model with the following
          weighted average assumptions used for grants in fiscal 1998, fiscal
          1997 and fiscal 1996, respectively: risk-free rates of 6.0%, 5.8% and
          6.3%, expected dividend yields of zero, expected lives of 7.0 years,
          7.0 years and 8.8 years, and expected volatility of 16%, 25% and 23%.

(11) STOCK REPURCHASE AGREEMENTS-

          By agreement, the Company is obligated to repurchase up to $4,000
          worth of Common Stock from each of two shareholders, in each case at
          the shareholder's death and at a price per share determined in
          accordance with the agreements. Life insurance with a face value of
          $6,986 has been secured on the lives of the two shareholders to fund
          the payments required under the repurchase agreements. As of April 30,
          1998, 296,296 shares of Common Stock were subject to these stock
          repurchase agreements. The amount of the purchase price is payable
          within 210 days of the death of the shareholder.

(12) RESTRUCTURING OF OPERATIONS-

          In fiscal 1996, the Company initiated and began to implement a plan to
          restructure its worldwide operations, primarily in Europe. The
          restructuring plan consisted of a consolidation of European offices as
          well as a corresponding reduction in the number of employees. The
          restructuring plan was undertaken for purposes of consolidating the
          distribution function in Europe in order to address competitive
          conditions. In addition, the restructuring plan was necessary as the
          existing Marquette operations are integrated with E for M's European
          operations. In connection with these actions, the Company recorded
          restructuring charges of $3,956 to operating expenses in fiscal 1996.
          These charges included $1,267 of severance costs, $1,366 of facility
          closing costs including asset write-offs, and $1,323 of other costs
          such as dealer termination fees and related legal fees. This
          restructuring plan implementation was completed during fiscal 1997.

(13) EMPLOYEE BENEFIT PLANS-

          PROFIT SHARING AND 401(K) PLAN - The Company has a Profit Sharing and
          401(k) Plan (the "Plan") covering substantially all non-union
          employees. The Plan allows participants to make annual contributions
          ranging from 1% to 12% of their compensation, subject to certain
          limitations imposed by the Internal Revenue Code. The Company matches
          35% of the Participants' contributions, subject to maximum annual
          matching per participant of five hundred dollars or 1.5% of the
          participants qualified

                                                                              37
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)


compensation, whichever is greater. The Company may make annual discretionary
contributions as authorized by the Board of Directors. Total Company
contributions were $4,835, $3,961 and $3,313 in fiscal 1998, 1997 and 1996, 
respectively.

DEFINED BENEFIT PLANS - Marquette Hellige GmbH has an unfunded noncontributory
defined pension plan covering substantially all of its German-based employees 
over 25 years of age and with at least 10 years of service. The benefits are 
based on an employee's final month's salary and the number of years of 
continuous service with E for M.

The Plan was amended in September, 1996 by increasing the retirement age for 
some employees and reducing the pension benefit rate for both new and active 
employees. The impact of the amendment results in an unrecognized gain as of 
April 30, 1997 of $2,084. This will be amortized over the remaining service life
of active employees which is 14 years.

In February, 1998 the Financial Accounting Standards Board ("FASB") issued SFAS 
No. 132 "Employers' Disclosure about Pensions and Other Post-Retirement 
Benefits." The Company has adopted this statement in fiscal 1998.

The following is a reconciliation of the change in benefit obligation for the 
years ended April 30, 1998 and 1997:


<TABLE> 
<CAPTION> 
                                                   Year Ended April 30,
                                                   --------------------
                                                   1998          1997
                                                   ------        ------
<S>                                                <C>           <C> 
Benefit obligation, beginning of year              $39,679       $45,339   
Service costs                                          819         1,122  
Interest costs                                       2,649         3,056  
Benefits paid                                       (1,345)       (1,396)
Actuarial loss (gain)                                  170        (3,245) 
Foreign currency exchange                     
  rate changes                                      (1,453)       (5,196)  
                                                   --------      --------      
Benefit obligation, end of year                     40,519        39,679
Unrecognized net
  actuarial gain                                     1,258         2,492   
                                                  ---------     --------- 
 Accrued benefit cost                              $41,777       $42,171
                                                  =========     =========
</TABLE> 

Assumptions used in the actuarial calculations are as follows:

<TABLE> 
<CAPTION> 
                                   Fiscal   Fiscal    Fiscal
                                    1996     1997      1996 
                                  -------  -------   -------
<S>                               <C>      <C>       <C> 
Discount Rate                       6.5%     7.0%      7.0%  
Salary Increases                    2.5%     2.75%     2.75% 
</TABLE> 


38
<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

          The components of net periodic pension cost for the years ended April
          30, 1998 and 1997 and four month period ended April 30, 1996,
          respectively, are:

<TABLE> 
<CAPTION> 
                                               Period ended April 30,
                                          ---------------------------------
                                           1998          1997        1996
                                          -------     ---------   ---------
          <S>                             <C>         <C>         <C> 
          Service costs                    $  819      $  1,122      $  377
          Interest costs                    2,649         3,056       1,127
          Recognized net actuarial gain      (145)            -        (503)
               Net periodic                ------      --------     -------
               benefits cost               $3,323      $  4,178     $ 1,001
                                           ======      ========     =======
</TABLE> 

(14) SEGMENT AND GEOGRAPHIC INFORMATION-
          
          The Company operates primarily in one business segment, the medical
          electronics equipment industry. Financial information by geographic
          area is summarized as follows:

<TABLE> 
<CAPTION> 
                                                Year Ended April 30,
                                         --------------------------------
                                            1998        1997       1996
                                         ---------   ---------  ---------
          <S>                            <C>         <C>        <C>      
          Net sales originating from:
               United States             $ 463,845   $ 426,469   $355,689
               Europe                      179,864     172,558     98,137
               Australia                     9,648       6,364      5,479
               Corporate and 
                    eliminations           (75,097)    (62,074)   (43,012)
                                         ---------   ---------   --------
                                         $ 578,260   $ 543,317   $416,293
                                         =========   =========   ========

          Income (loss) from operations:
               United States             $  46,909   $  41,529   $ 11,307
               Europe                        2,839      (2,615)   (27,481)
               Australia                       414         250       (157)
               Corporate and                
                    eliminations              (490)       (240)     2,575
                                         ---------   ---------   --------
                                         $  49,672     $38,924   $(13,756)
                                         =========   =========   ========

          Identifiable assets:          
               United States             $ 335,730   $ 314,832   $332,492
               Europe                      107,982      96,238     98,141 
               Australia                     3,987       2,089      2,680  
               Corporate and                 
                    eliminations            11,661      15,173     (1,595)
                                         ---------   ---------   --------
                                         $ 459,360   $ 428,332   $431,718  
                                         =========   =========   ========
</TABLE> 

          Transfers between geographic areas are recorded at market-based
          transfer prices.

                                                                              39

<PAGE>
 
MARQUETTE MEDICAL SYSTEMS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
APRIL 30, 1998, 1997 AND 1996 (Dollars in Thousands Except Per Share Data)

          Export sales, excluding sales to affiliates, totalled $36,898, $51,517
          and $39,566 in fiscal 1998, 1997 and 1996, respectively.

(15) DERIVATIVE FINANCIAL INSTRUMENTS-

          The Company uses foreign currency forward exchange contracts to hedge
          specific foreign currency exposures. These derivative financial
          instruments are not used for trading purposes.

(16) QUARTERLY DATA (UNAUDITED)-

<TABLE>
<CAPTION> 
                                                 1998
                               --------------------------------------------
                                   1st      2nd         3rd         4th
                               --------------------------------------------
          <S>                  <C>        <C>         <C>         <C> 
          Net Sales            $132,069   $148,568    $143,724    $153,900
          Gross Profit           67,808     74,266      69,921      78,625
          Net Income              4,301      6,698       7,571       8,068

             Per Common
             Share    
               Basic                .24        .38         .43         .45  
               Diluted              .24        .36         .41         .44

<CAPTION> 

                                                 1997
                               --------------------------------------------
                                   1st      2nd         3rd         4th
                               --------------------------------------------
          <S>                  <C>        <C>         <C>         <C> 
          Net Sales            $124,794   $136,908    $137,714    $143,901
          Gross Profit           60,385     66,310      67,480      74,987
          Net Income              3,270      5,216       5,896       6,807

             Per Common
             Share    
               Basic                .20        .32         .37         .40  
               Diluted              .20        .32         .36         .39
</TABLE> 

          The following table sets forth the high and low sales prices for the
          Common Stock as reported on the Nasdaq National Market System. The
          prices reflect inter-dealer prices, without retail mark-up, mark-down
          or commission:

<TABLE> 
<CAPTION> 
                                              Year Ended
                              April 30, 1998              April 30, 1997
                            --------------------        --------------------
                              High       Low              High       Low
          <S>               <C>          <C>            <C>          <C>
          First Quarter     $28 1/2      $19 7/8        $18 3/4      $15 3/4  
          Second Quarter     31 3/4       23             18 1/2       15 1/2  
          Third Quarter      28 1/4       22 1/4         22 3/8       14 3/4
          Fourth Quarter     29           24 3/4         21 3/4       18 3/8
</TABLE> 

40
<PAGE>
 
REPORT OF INDEPENDENT
PUBLIC ACCOUNTANTS

     To the Shareholders of Marquette Medical Systems, Inc.:

     We have audited the accompanying consolidated balance sheets of MARQUETTE
     MEDICAL SYSTEMS, INC. (a Wisconsin corporation) and subsidiaries as of
     April 30, 1998 and 1997, and the related consolidated statements of income,
     shareholders' equity and cash flows for each of the three years in the
     period ended April 30, 1998. 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 in accordance with generally accepted auditing
     standards. Those standards require that we plan and perform the audit to
     obtain reasonable assurance about whether the financial statements are free
     of material misstatement. An audit includes examining, on a test basis,
     evidence supporting the amounts and disclosures in the financial
     statements. An audit also includes assessing the accounting principles used
     and significant estimates made by management, as well as evaluating the
     overall financial statement presentation. We believe that our audits
     provide a reasonable basis for our opinion.

     In our opinion, the financial statements referred to above present fairly,
     in all material respects , the financial position of Marquette Medical
     Systems, Inc. and subsidiaries as of April 30, 1998 and 1997, and the
     results of their operations and their cash flows for each of the three
     years in the period ended April 30, 1998, in conformity with generally
     accepted accounting principles.

                                              ARTHUR ANDERSEN LLP


     Milwaukee, Wisconsin,
     June 1, 1998


                                                                              41
<PAGE>
 
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
CONDITIONS AND RESULTS OF OPERATIONS

FISCAL 1998 COMPARED TO FISCAL 1997

Net sales for fiscal 1998 increased by 6.4% to $578.3 million from $543.3
million for fiscal 1997. The sales growth was entirely attributable to the
Monitoring group, consisting of adult, pediatric, neonatal and fetal monitoring,
and the related clinical information systems, which achieved sales growth of
$42.8 million, or 17.0%. The increased sales for the Monitoring group related
mainly to the strong domestic demand, especially for its modular bedside
monitors. Based on the continued strong level of incoming orders, management
believes that this area will continue to provide growth opportunity.

Both the Cardiology group and the Supplies and Service product lines had slight
decreases in net sales for fiscal 1998 as compared to fiscal 1997. For the
Cardiology group, sales decreased by $5.4 million, or 2.9%. The Supplies and
Service product line had a net sales decrease of $2.5 million, or 2.4%. The
decrease is mainly attributable to the negative currency conversions related to
the stronger U.S. dollar. While the Monitoring group's strong U.S. shipments
more than offset its negative currency conversions on its international sales,
the Cardiology group and Supplies and Service product lines did not achieve
sufficient volume growth to offset all of their negative currency conversions.
For the Company, a stable U.S. dollar, as compared with last year, would have
provided additional net sales of $23.8 million, or 4.4% for the year. Since it
is management's belief that the major growth opportunities continue to be in
the international markets, the currency conversion will continue to be a factor
in the total sales growth.

Gross profit for fiscal 1998 increased 7.9% to $290.6 million from $269.2
million in fiscal 1997. Gross margin increased to 50.3% for fiscal 1998 as
compared to 49.5% for fiscal 1997. The increase relates mainly to the product
mix towards higher margin products, especially in the Monitoring group. In
addition, the Company typically realizes higher margins on its domestic sales as
compared to international sales. The Company has experienced continued pricing
pressures in its international markets, especially in the Asian markets impacted
by the currency crisis and in the European market. Therefore, the strong level
of U.S. sales contributed to the increased gross margins for the year. The
currency fluctuations have offset the increased gross margins to some extent.
The Company believes that ongoing efforts to increase manufacturing efficiencies
will enable it to maintain its gross margins even as product mix and geographic
mix may shift towards lower gross margins.

Engineering expenses for fiscal 1998 increased 9.3% to $52.6 million from $48.1
million in fiscal 1997. Engineering expenses as a percentage of sales increased
slightly to 9.1% for fiscal 1998 as compared to 8.9% for fiscal 1997. The
increase relates to the Company's ongoing product development projects. The
medical equipment and systems industry is highly competitive and technological
in nature. As a result, in order to compete effectively, the Company must
continue to make significant investments in both new

42



<PAGE>
 
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
CONDITIONS AND RESULTS OF OPERATIONS


product development and continued enhancements to current products.

Selling expenses for fiscal 1998 increased 2.5% to $141.4 million as compared 
to $138.0 million for fiscal 1997. Selling expenses decreased as a percentage of
sales to 24.5% as compared to 25.4% for fiscal 1997. The increase in selling 
expenses is mainly a result of the costs required to support the increased sales
volume in fiscal 1998, such as additional commissions and other sales support 
costs. Offsetting the increases to some extent are the efficiencies gained in 
the improved distribution channels. One of management's goals for fiscal 1998
was to reduce the Company's selling expenses as a percentage of net sales. A
headcount reduction in the European distribution channel has contributed to the
decrease as a percentage of net sales.

General and administrative expenses for fiscal 1998 increased 6.4% to 46.9
million from $44.1 million in fiscal 1997. The increase is a result of the
ongoing conversion costs attributable to the conversion of a new business system
as well as additional support costs necessary to support the increased sales
volume. The increase was offset to some extent by a European headcount reduction
as part of management's plan to increase operating margins. General and
administrative expenses as a percentage of net sales remained constant at 8.1%
for fiscal 1998 as compared to fiscal 1997.

Operating income for fiscal 1998 increased by 27.6% to $49.7 million as compared
to $38.9 million in fiscal 1997. The increased gross profit for fiscal 1998 
relates to the sales growth as well as the increased gross margin realized on 
fiscal 1998 net sales. Operating margin for fiscal 1998 was 8.6% as compared to 
7.2% in fiscal 1997. The margin increase is mainly attributable to the efforts 
of management to reduce the selling expenses in order to achieve more efficiency
in the cost per sales dollar.

Interest expense for fiscal 1998 decreased to $6.0 million from $8.4 million for
fiscal 1997. The decreased interest expense is attributable to the use of 
proceeds from a public stock offering completed in March, 1997 for repayment of 
a portion of bank term debt. In addition, the Company was unable to use its free
cash flow generated in fiscal 1998 to pay down additional long-term debt. 
Average borrowings, both short-term and long-term, decreased to $80.1 million in
fiscal 1998 from $98.7 million in fiscal 1997. The Company intends to continue 
to pay down bank term loans and foreign lines of credit with any free cash flow 
in subsequent years.

Other income for fiscal 1998 decreased to $0.3 million from $3.6 million in 
fiscal 1997. The decrease was primarily related to decreased foreign exchange 
gains in the current year as compared to fiscal 1997.

The provision for income taxes for fiscal 1998 was $17.4 million as compared to
$12.9 million for fiscal 1997. The effective tax rate for fiscal 1998 was 39.5%.
For fiscal 1997, the effective tax rate was 37.8%. The increase in the effective
rate was mainly attributable to foreign losses which have not been benefited. 
The ability to utilize these unbenefited foreign losses in the future will have 
an impact on the effective tax rate.

                                                                              43

<PAGE>
 
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITIONS AND RESULTS OF
OPERATIONS


FISCAL 1997 COMPARED TO FISCAL 1996

Net sales for fiscal 1997 increased by 30.5% to $543.3 million from $416.3
million for fiscal 1996. The Company's patient monitoring, diagnostic cardiology
and supplies and service product lines achieved sales growth of $52.6 million, 
$53.9 million and $20.5 million, or 25.3%, 43.3% and 24.5%, respectively. The 
fiscal 1997 results include a full year of activity from operations related to E
for M Corporation, which was acquired on January 1, 1996. The increase in net 
sales is partly attributable to the E for M acquisition. However, all existing 
product lines achieved significant growth over last year.

The introduction of new products in both the patient monitoring and diagnostic 
cardiology product lines as well as improved distribution have both contributed 
to the sales growth. New product introductions at lower price points have 
allowed the Company to increase its potential market by adding depth to its 
product lines. These lower price point products are important in terms of 
increasing the Company's potential market overseas. The increase in net sales 
also reflects the effects of a strengthening market for health care equipment 
in the U.S. particularly for the patient monitoring product line. The sales 
growth for the fiscal year was negatively affected by a softer market in Western
Europe, particularly Germany, France and the United Kingdom, as well as the 
negative currency conversions due to a stronger U.S. dollar.

Gross profit for fiscal 1997 increased 33.7% to $269.2 million from $201.3 
million in fiscal 1996. Gross margin increased to 49.5% for fiscal 1997, 
compared to 48.4% for fiscal 1996. The increase relates to manufacturing 
efficiencies gained as E for M was fully integrated into Marquette as well as 
product mix. The gross margins were negatively impacted by continued pricing 
pressures, especially in Europe. However, the mix of higher margin products in 
addition to the manufacturing efficiencies offset this negative impact. The 
Company expects continued currency fluctuations and European pricing pressures 
to effect future gross margins.

Engineering expenses for fiscal 1997 increased 28.9% to $48.1 million from $37.3
million in fiscal 1996. The increase is mainly attributable to the incremental 
expenses related to the E for M operations. Engineering expenses as a percentage
of sales decreased slightly to 8.9% for fiscal 1997 from 9.0% for fiscal 1996. 
The Company will continue to invest significantly in both new product 
developments and continued enhancements to current products. Due to the 
competitiveness and technological nature of the medical systems and equipment 
industry, this investment is necessary in order to maintain the Company's 
competitive position in the health care industry.

Selling expenses for fiscal 1997 increased 31.1% to $138.0 million from $105.3 
million for fiscal 1996, due primarily to the E for M acquisition. In addition
to the incremental expenses related to the E for M operations, the expenses for
fiscal 1997 include increased sales bonuses as the Company's bookings for the
year exceeded the bonus thresholds. The increased bookings are reflected in an
increased backlog. These increases in selling expenses were partially offset by
the cost reductions gained through the restructuring of European distribution.
For fiscal 1997, selling


44
<PAGE>
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITIONS AND RESULTS OF
OPERATIONS


expenses increased slightly as a percentage of sales to 25.4% from 25.3% of 
net sales for fiscal 1996.

General and administrative expenses for fiscal 1997 increased 34.1% to $44.1 
million from $32.9 million in fiscal 1996.  E for M operations accounted for a 
significant portion of the increase.  General and administrative expenses as a 
percentage of sales were 8.1% for fiscal 1997 as compared to 7.9% for fiscal 
1996.  A portion of the increase as a percentage of sales relates to the 
additional amortization expense for goodwill and other intangibles which were 
recorded in connection with the E and M acquisition.  During fiscal 1997, $3.5 
million of goodwill and intangible amortization were expensed as compared to 
$1.2 million of amortization expense related of the E for M acquisition in 
fiscal 1996.  Exclusive of the increased amortization, general and 
administrative expenses as a percentage of sales would have declined from fiscal
1996.  The decline reflects the benefits realized from the restructuring of the 
European operations and  E and M operations.

Operating income for fiscal 1997 was $38.9 million as compared to an operating
loss of $13.8 million for fiscal 1996. The fiscal 1996 operating loss was
attributable to a one-time charge associated with the write-off of purchased
research and development in-process of $35,7 million in connection with the E
for M acquisition and to a $4.0 million restructuring charge mainly related to
the European operations. Operating income for fiscal 1996, exclusive of these
charges, was $25.9 million. The increase for fiscal 1997 relates to the
increased gross profit attributable to sales growth and increased margins as
well as cost savings associated with the restructuring.

Interest expense for fiscal 1997 increased to $8.4 million from $4.4 million for
fiscal 1996.  The increased interest expense related to the additional debt 
out-standing for the entire fiscal year in connection with the E for M 
acquisition.  In addition, the proceeds received in the public offering of $24.0
million in March, 1997 were used to repay bank term loans incurred in the E for 
M acquisition.  The company intends to continue to pay down bank term loans and 
foreign lines of credit with any free cash flow in subsequent years.  This, 
coupled with the reduction in debt associated with the public offering proceeds,
should reduce interest expense in subsequent years.

Other income for fiscal 1997 increased to $3.6 million from $1.2 million in 
fiscal 1996.  The increase was primarily related to foreign exchange gains of 
$1.8 million in fiscal 1997 as compared to $0.6 million in fiscal 1996.  The 
significant strengthening of the U.S. dollar and the devaluation of the German 
mark contributed to the increased exchange gains.

The provision for income taxes for fiscal 1997 was $12.9 million as compared to 
$7.9 million in fiscal 1996.  The effective tax rate for fiscal 1997 was $37.8%.
In fiscal 1996, the effective tax rate, excluding the impact of the one-time 
charge of $35.7 million related to purchased research and development 
in-process,was 42.1%.  The decrease in the effective rate is attributable to 
reduced foreign losses not benefited, the utilization of certain foreign net 
operating losses in fiscal 1997, and the reinstatement of the research and

                                                                              45
 
<PAGE>
 
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
CONDITIONS AND RESULTS OF OPERATIONS

development credit for a significant portion of the fiscal year. The decreases
in the effective rate are offset to some extent by the additional goodwill
expense incurred in connection with the E for M acquisition. Due to the
expiration of the research and development credit in fiscal 1998, management
believes the effective tax rate will increase in fiscal 1998 unless the credit
is reinstated. In addition, the ability to continue to utilize foreign net
operating losses will have an impact on future effective tax rates. If the
European market continues to weaken in the health care industry, unbenefited net
operating losses would increase the Company's effective tax rate.

FINANCIAL OUTLOOK

Inasmuch as the Company's principal product lines are all related to the health
care industry, they are subject to the current uncertainty surrounding the 
industry including consolidation of hospital groups and a move towards managed 
care. While the Company cannot predict the impact, if any, that such 
modifications might have on its business, the Company's operating results are 
closely linked to the health care economy. If revenue or earnings fail to meet 
expectations of the investment community, there could be a significant impact 
on the trading price for the Company's stock. Management believes that the 
introduction of new products and the partnership relationships being established
with the hospitals will keep the Company in a competitive position as the health
care economy demand for new equipment increases.

LIQUIDITY AND CAPITAL RESOURCES

Working capital was $162.2 million at April 30, 1998 as compared to $149.2 
million at April 30, 1997. Accounts receivable increased 13.7% to $159.3 million
from $140.1 million, reflecting increased sales levels. Inventory decreased 
slightly from $110.8 million to $109.0 million. Management continues to focus on
controlling inventory levels even as net sales are increasing. Inventory turns 
increased to 2.6 for fiscal 1998 as compared to 2.5 for fiscal 1997.

As of April 30, 1998, the Company had $7.0 million outstanding on U.S lines of
credit of $25.0 million. In addition, the Company had $28.4 million, U.S. dollar
equivalent, outstanding on foreign lines of credit of $49.7 million. A portion
of the foreign currency denominated borrowings are used to reduce the currency
risks associated with foreign currency receivables. As of April 30, 1997, the
amounts outstanding on the U.S. and foreign lines of credit were $8.0 million
and $22.4 million, respectively.

Net capital expenditures for fiscal 1998 were $25.5 million as compared to $18.2
million for fiscal 1997. The increase was due to the continued capital 
expenditures related to the acquisition of a new business system. In addition, 
the prior year net capital expenditure amount includes the proceeds from a sale 
of German land. The capital purchases were funded by cash flow from operations.

As of April 30, 1998, the Company had $37.5 million of long-term debt compared
with $57.0 million of long-term debt as of April 30, 1997. Of the long-term
debt, $30.0 million is senior long-term fixed rate debt which was incurred
during the year ended April 30, 1997 in order to refinance a portion of bank
long-term debt.


46

 

<PAGE>
 
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
CONDITIONS AND RESULTS OF OPERATIONS


This senior debt accrues interest at a fixed rate of 7.46% per annum and matures
through August 29, 2008. The remaining long-term debt consists of three variable
rate bank term loans. During fiscal 1998, $19.5 million of bank term debt was
repaid by the Company through both cash flow from operations as well as draws
from its working capital line of credit. The next and final required installment
owed by the Company is $7.5 million on October 31, 2000. The $7.5 million of
remaining bank term debt outstanding on April 30, 1998 accrued interest at a
rate equal to the LIBOR rate plus one percent, reset monthly. At April 30, 1998,
the rate was 6.6563% per annum. The Company intends to pay the interest and
retire the remaining long-term debt through cash flow from operations.

Management believes the Company has the financial resources to meet its 
short-term and long-term cash requirements.  Management believes its cash flow 
from operations will be sufficient to continue to fund its current obligations 
as well as fund the internal growth of the Company. The current U.S. inflation 
rate has little impact on the COmpany's operations.

The Company is currently in the process of investigating all of its products to 
determine if any have a potential incompatibility with the Year 2000. Most 
products are currently compatible with the Year 2000. In addition, the Company 
has been converting its internal systems to an entirely new business system. 
This new business system has addressed the Year 2000 issues regarding all 
internal systems. The Company does not believe any further Year 2000 compliance
costs will be material to its financial statements.

The Management Discussion and Analysis of Financial Conditions and Results of
Operations section in this report may contain certain forward-looking statements
regarding the Company and its products. These forward-looking statements are
based on current expectations, and the Company assumes no obligation to update
this information. The Company's actual results could differ materially from
those discussed in this document.

                                                                              47









<PAGE>
 
BOARD OF DIRECTORS                              OFFICERS

MICHAEL J. CUDAHY                               FREDERICK A. ROBERTSON, M.D.
Chairman                                        Chief Executive Officer and
Marquette Medical Systems, Inc.                 Monitoring Group President

FREDERICK G. LUBER                              LOUIS P. SCAFURI
Chairman                                        Chief Operating officer and
Super Steel Products Corp.                      Cardiology Group President

MELVIN S. NEWMAN                                MARY M. KABACINSKI 
Attorney                                        Senior Vice President and 
Schoenberg, Fisher & Newman, Ltd.                Chief Financial Officer 

                                                STEVEN G. BOOKS                
WALTER L. ROBB                                  Senior Vice President, 
                                                Manufacturing
Retired                                         
Senior Vice President                           GERALD J. LENTZ 
General Electric Company                        Senior Vice President, 
                                                Service 

JOHN G. BOLLINGER, PH.D.                        MARK R. TAUSCHER
Dean, College of Engineering                    Senior Vice President, Supplies
University of Wisconsin-Madison                

                                                GORDON W. PETERSEN 
                                                Secretary          

FREDERICK A. ROBERTSON, M.D.
Chief Executive Officer and                     MELVIN S. NEWMAN 
Monitoring Group President                      Assistant Secretary 
Marquette Medical Systems, Inc.


48


<PAGE>
 
                                                                    EXHIBIT 21.1

                        MARQUETTE MEDICAL SYSTEMS, INC.

Subsidiaries:

The Company subsidiaries are listed below:

                                                    STATE OR COUNTRY
     NAME                                           OF ORGANIZATION
     ----                                           ---------------

Marquette Electronics Anesthesia
& Respiratory Care Corp.                              Missouri

Marquette Leasing, Inc.                               Wisconsin

Marquette International, Ltd.                         Virgin Islands

Marquette Hellige UK, Ltd.                            England

Marquette Hellige Italia, SRL                         Italy

Marquette Hellige S.A.S.                              France

Marquette Benelux n.v./s.a.                           Belgium

Marquette Hellige Espana, S.A.                        Spain

Marquette Medical Systems
 (Australia) PTY, Ltd.                                Australia

Corometrics Medical Systems, Inc.                     Delaware

Hellige Ges.m.b.H.                                    Austria

Marquette Hellige GmbH                                Germany

E For M Corporation                                   Delaware

Vari-X, Inc.                                          California

<PAGE>
 
                                                                    EXHIBIT 23.1


                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
                   -----------------------------------------

     As independent public accountants, we hereby consent to the incorporation
of our reports included or incorporated by reference in this Form 10-K, into the
Company's previously filed Registration Statements File Nos. 33-46729, 33-98468,
333-1334 and 333-20567.


                                                  ARTHUR ANDERSEN LLP


                                                  /s/ Arthur Andersen LLP


Milwaukee, Wisconsin,
July 14, 1998

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
REGISTRANT'S FINANCIAL STATEMENT AS OF AND FOR YEAR ENDED APRIL 30, 1998 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          APR-30-1998
<PERIOD-START>                             MAY-01-1997
<PERIOD-END>                               APR-30-1998
<CASH>                                           5,063
<SECURITIES>                                         0
<RECEIVABLES>                                  163,626
<ALLOWANCES>                                     4,283
<INVENTORY>                                    109,003
<CURRENT-ASSETS>                               289,814
<PP&E>                                         175,885
<DEPRECIATION>                                  62,181
<TOTAL-ASSETS>                                 459,360
<CURRENT-LIABILITIES>                          127,587
<BONDS>                                         37,500
                                0
                                          0
<COMMON>                                         1,791
<OTHER-SE>                                     212,525
<TOTAL-LIABILITY-AND-EQUITY>                   459,360
<SALES>                                        578,260
<TOTAL-REVENUES>                               578,260
<CGS>                                          287,641
<TOTAL-COSTS>                                  287,641
<OTHER-EXPENSES>                               240,535
<LOSS-PROVISION>                                    89
<INTEREST-EXPENSE>                               5,982
<INCOME-PRETAX>                                 44,013
<INCOME-TAX>                                    17,374
<INCOME-CONTINUING>                             26,639
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    26,639
<EPS-PRIMARY>                                     1.50
<EPS-DILUTED>                                     1.46
        

</TABLE>


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