ADVANCED TECHNOLOGY LABORATORIES INC
S-8, 1996-07-26
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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   As filed with the Securities and Exchange Commission on July 25, 1996
                                             Registration No. 333-
                                   
                  SECURITIES AND EXCHANGE COMMISSION
                        Washington, D.C. 20549
                        ______________________
                                   
                               FORM S-8
                        REGISTRATION STATEMENT
                                 UNDER
                      THE SECURITIES ACT OF 1933
                        ______________________
                                   
                ADVANCED TECHNOLOGY LABORATORIES, INC.
        (Exact name of Registrant as specified in its charter)
                                   
            Washington                         91-1353386
 (State or other jurisdiction of    (I.R.S. Employer Identification
  incorporation or organization)                  No.)
                                   
                     22100 Bothell Everett Highway
                             P.O. Box 3003
                        Bothell, WA 98041-3003
     (Address of principal executive offices, including zip code)
                                   
                               
         AMENDED 1992 NONOFFICER EMPLOYEE STOCK OPTION PLAN
                                   
                               
       AMENDED 1992 OPTION, STOCK APPRECIATION RIGHT, RESTRICTED
            STOCK, STOCK GRANT AND PERFORMANCE UNIT PLAN
                                   
                               
            AMENDED NONEMPLOYEE DIRECTOR STOCK OPTION PLAN
                                    
                                     
     AMENDED AND RESTATED INCENTIVE SAVINGS AND STOCK OWNERSHIP PLAN
                       (Full title of the plan)
                                                               
                                   
                         W. BRINTON YORKS, Jr.
             Vice President, General Counsel and Secretary
                ADVANCED TECHNOLOGY LABORATORIES, INC.
                     22100 Bothell-Everett Highway
                             P.O. Box 3003
                        Bothell, WA 98041-3003
                            (206) 487-7000
     (Name, address and telephone number, including area code, of
                          agent for service)
                                   
                          __________________
                                
                                   
                    CALCULATION OF REGISTRATION FEE
                                   
  Title of                  Proposed        Proposed       
 Securities                  Maximum        Maximum        Amount   
   to Be      Number to     Offering        Aggregate        of
 Registered       be        Price Per       Offering      Registra-
 Registered   Registered     Share(1)        Price(1)     tion Fee
 ----------   ----------    ---------       ---------     --------
Common        1,025,000(2)   $33.0625      $33,889,062    $11,685.88
Stock, par                                         
value $.01
per Share

(1)  Estimated solely for the purpose of calculating the registration
     fee pursuant to Rule 457(h).  The price per share is estimated to
     be $33.0625 based on the average of the high and low  prices for
     the Common Stock in the over-the-counter market on July 23, 1996
     as reported on the Nasdaq National Market.

(2)  Of this number, 70,000 are being registered for issuance pursuant
     to the Amended 1992 Nonofficer Employee Stock Option Plan,
     550,000 are being registered for issuance pursuant to the Amended
     1992 Option, Stock Appreciation Right, Restricted Stock, Stock
     Grant And Performance Unit Plan, 55,000 are being registered for
     issuance pursuant to the Amended Nonemployee Director Stock
     Option Plan and 350,000 are being registered for issuance
     pursuant to the Amended and Restated Incentive Savings and Stock
     Ownership Plan.  In addition to this number of shares, an
     indeterminate number of additional shares which may be necessary
     to adjust the number of shares reserved for issuance pursuant to
     such plans as the result of any future stock split, stock
     dividend or similar adjustment of the outstanding Common Stock of
     the Registrant.
                                   
                            
                      Exhibit Index is on page 6
  
                                   1
<PAGE>
                            
            REGISTRATION OF ADDITIONAL SECURITIES
     
     Pursuant to General Instruction E, this registration
statement on Form S-8 is filed by Advanced Technology
Laboratories, Inc. (the "Registrant") to register additional
securities under the Plans described in Registration
Statement Nos. 33-38217, 33-47967, 33-54757, 33-59914, 33-
61807 and 33-66298 (including post-effective Amendment No.1
thereto (the "Post-Effective Amendment")) to be issued
pursuant to an amendment to the Plans approved by the
Registrant's Board of Directors on February 22, 1996 and May
8, 1996, and by the Registrant's Shareholders on May 8,
1996.  Portions of Registration Statement Nos. 33-38217, 33-
47967, 33-54757, 33-59914, 33-61807, 33-66298 and the Post-
Effective Amendment are incorporated herein by reference.
                              
                           PART II
                              
       INFORMATION REQUIRED IN REGISTRATION STATEMENT
                              
                              

Item 3.  INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

The following documents are hereby incorporated by reference
in this Registration Statement:

          (a)  The Registrant's Annual Report on Form 10-K
for the year ended December 31, 1995 filed on March 31, 1996;
          
          (b)  All other reports filed by the Registrant
pursuant to Section 13(a) or 15(d) of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), since
the end of the fiscal year covered by the Annual Report
referred to in (a) above;
          
          (c)  The description of the Registrant's Common
Stock contained in the Current Report on Form 8-K filed on
January 11, 1996; and

          (d)  The description of the Registrant's Common
Stock contained in the Registration Statement on Form 10
(Registration No. 0-15160) filed with the Commission on
November 12, 1986 under Section 12(g) of the Exchange Act,
and any amendment or report filed for the purpose of
updating such description.
          
     All documents filed by the Registrant pursuant to
Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act
after the date hereof, and prior to the filing of a post-
effective amendment which indicates that the securities
offered hereby have been sold or which deregisters the
securities covered hereby then remaining unsold, shall also
be deemed to be incorporated by reference into this
Registration Statement and to be a part hereof commencing on
the respective dates on which such documents are filed.

Item 4.        Not Applicable

Item 5.        Not Applicable

Item 6.        INDEMNIFICATION OF DIRECTORS AND OFFICERS.

    Incorporated herein by reference to the Post-Effective
Amendment on Form S-8, filed with the Commission on August
11, 1995 under Registration Statement No. 33-54757.

Item 7.        Not Applicable

                                2
<PAGE>

Item 8.  EXHIBITS
 
Exhibit                        
Number                   Description
- -------   ---------------------------------------       
5.1       Opinion of Bogle & Gates P.L.L.C.
          
10.1      Amended 1992 Nonofficer Employee Stock
          Option Plan
          
10.2      Amended 1992 Option, Stock Appreciation
          Right, Restricted Stock, Stock Grant And
          Performance Unit Plan
          
10.3      Amended Nonemployee Director Stock Option
          Plan
          
10.4      Amended and Restated Incentive Savings and
          Stock Ownership Plan
          
23.1      Consent of KPMG Peat Marwick LLP
          
23.2      Consent of Bogle & Gates P.L.L.C. (included
          in opinion filed as Exhibit 5.1)
          
24.1      Power of Attorney (see signature page)

Item 9.  UNDERTAKINGS

A.    The undersigned Registrant hereby undertakes:

(1)   To file, during any period in which offers or sales are
being made, a post-effective amendment to this Registration Statement:

          (i)  To include any prospectus required by Section
10(a)(3) of the Securities Act of 1933, as amended (the
"Securities Act");

          (ii) To reflect in the prospectus any facts or
events arising after the effective date of this Registration
Statement (or the most recent post-effective amendment
thereof) which, individually or in the aggregate, represent
a fundamental change in the information set forth in this
Registration Statement.  Notwithstanding the foregoing, any
increase or decrease in volume of securities offered (if the
total dollar value of securities offered would not exceed
that which was registered) and any deviation from the low or
high and of the estimated maximum offering  range may be
reflected in the form of prospectus filed with the
Commission pursuant to  Rule 424(b) if in the aggregate, the
changes in volume and price represent no more than a 20
percent change in the maximum aggregate offering price set
forth in the "Calculation of Registration Fee" table in the
effective registration statement;

          (iii)     To include any material information with
respect to the plan of distribution not previously disclosed
in this Registration Statement or any material change to
such information in this Registration Statement;

PROVIDED, HOWEVER, that paragraphs (A)(1)(i) and (A)(1)(ii)
above do not apply if the registration statement is on Form
S-8 or Form S-3, and the information required to be included
in a post-effective amendment by those paragraphs is
contained in periodic reports filed with or furnished to the
Commission by the Registrant pursuant to Section 13 or
Section 15(d) of the Exchange Act that are incorporated by
reference in this Registration Statement.

     Undertakings pursuant to Regulation S-K Rule 512(b) and
(h) are incorporated by reference to Registration Statement
Nos. 33-38217, 33-47967, 33-54757, 33-59914, 33-61807, 33-
66298 and the Post-Effective Amendment.

                              3
<PAGE>

                         SIGNATURES


    The Registrant.  Pursuant to the requirements of the
Securities Act of 1933, the Registrant certifies that it has
reasonable grounds to believe that it meets all of the
requirements for filing on Form S-8 and has duly caused this
Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of
Bothell, State of Washington, on this 25th day of
July, 1996.

                              ADVANCED TECHNOLOGY
                              LABORATORIES, INC.

                                  /s/ Dennis C. Fill
                              By  ___________________
                                  Dennis C. Fill
                                  Chairman and Chief
                                  Executive Officer



    The Plan.  Solely with respect to the Registrant's
Incentive Savings and Stock Ownership Plan and pursuant to
the requirements of the Securities Act of 1933, the trustees
(or other persons who administer the employee benefit plan)
have duly caused this Registration Statement to be signed on
its behalf by the undersigned, thereunto duly authorized, in
the City of Bothell, State of Washington, on this 25th day
of July, 1996.


                              INCENTIVE SAVINGS AND
                              STOCK OWNERSHIP PLAN

                                  /s/ Harvey N. Gillis
                              By  ________________________
                                  Harvey N. Gillis, Senior
                                  Vice President
                                  and Chief Financial Officer


                      POWER OF ATTORNEY

    Each person whose signature appears below constitutes
and appoints Dennis C. Fill and W. Brinton Yorks, Jr., and
each of them, his true and lawful attorneys-in-fact and
agents, with full power of substitution, for him and in his
name, place and stead, in any and all capacities, to sign
any amendments to the Registration Statements, and to file
the same, with exhibits thereto and other documents in
connection therewith, with the Securities and Exchange
Commission, hereby ratifying and confirming all that said
attorneys-in-fact, or their substitute or substitutes, may
do or cause to be done by virtue hereof.

    Pursuant to the requirements of the Securities Act of
1933, this Registration Statement has been signed by the
following persons in the capacities and on the date
indicated on July 25, 1996.



           Signature            Title
                                
        /s/ Dennis C. Fill      Chairman of the Board, Chief
       -------------------      Executive Officer
        Dennis C. Fill         
                                
       /s/ Harvey N. Gillis     Senior Vice President, Chief
       --------------------     Financial Officer (Principal
       Harvey N. Gillis         Financial Officer)
                           
                                 4
<PAGE>
     
    /s/ Phillip M. Nudelman      Director
      ---------------------
  Phillip M. Nudelman, Ph.D.
                                
   /s/ Kirby L. Cramer           Director
     ----------------------
        Kirby L. Cramer
                                
   /s/ Harvey Feigenbaum         Director
     ----------------------
    Harvey Feigenbaum, M.D.
                                
   /s/ Eugene A. Larson          Director
     ----------------------
       Eugene A. Larson
                                
     /s/ John R. Miller          Director
     ----------------------
        John R. Miller
                                
      /s/ Harry Woolf            Director
     ----------------------
      Harry Woolf, Ph.D.
                                
  /s/ Richard S. Totorica        Vice President and Corporate
     ----------------------      Controller (Principal Accounting
      Richard S. Totorica        Officer)
                               
                                5
<PAGE>
                              
                              
                      INDEX TO EXHIBITS
                              
                                                      Sequentially
Exhibit                                                 Numbered
Number               Description                          Page
- -------   --------------------------------             ----------
5.1       Opinion of Bogle & Gates P.L.L.C.                7 
                                                            
10.1      Amended 1992 Nonofficer Employee Stock         8 - 21             
          Option Plan
                                                            
10.2      Amended 1992 Option, Stock Appreciation       22 - 37           
          Right, Restricted Stock, Stock Grant And
          Performance Unit Plan
                                                            
10.3      Amended Nonemployee Director Stock Option     38 - 41         
          Plan
                                                            
10.4      Amended and Restated Incentive Savings and    42 - 116        
          Stock Ownership Plan
                                                            
23.1      Consent of KPMG Peat Marwick LLP                117                  
                                                            
23.2      Consent of Bogle & Gates P.L.L.C.(included        
          in opinion filed as Exhibit 5.1)
                                                            
24.1      Power of Attorney (see signature page)            
                            
 
                              6                        
<PAGE>
    
     
     
     
     Bogle & Gates P.L.L.C. Letterhead                 Exhibit 5.1
     Two Union Square                                  July 24, 1996
     601 Union Street
     Seattle, Washington 98101-2436
 
    
Advanced Technology Laboratories, Inc.
22100 Bothell Everett Highway
Bothell, WA 98041-3003

Gentlemen and Ladies:

    We are acting as counsel to Advanced Technology
Laboratories, Inc., a Washington corporation (the
"Company"), in connection with the filing of a registration
statement on Form S-8 (the "Registration Statement") under
the Securities Act of 1933, as amended, with the Securities
and Exchange Commission, relating to the proposed sale by
the Company of an aggregate of 1,025,000 shares of its
common stock, par value $0.01 per share (the "Common
Stock"), issuable pursuant to the Company's i) Amended 1992
Nonofficer Employee Stock Option Plan, ii) Amended 1992
Option, Stock Appreciation Right, Restricted Stock, Stock
Grant And Performance Unit Plan, iii) Amended Nonemployee
Director Stock Option Plan and iv) Amended and Restated
Incentive Savings and Stock Ownership Plan.

    In connection with the foregoing, we are of the opinion
that the Common Stock will, when sold, be legally issued,
fully paid and nonassessable.

    We hereby authorize and consent to the use of this
opinion as Exhibit 5.1 to the Registration Statement.

                                        Very truly yours,
  
                                      /s/ Boble & Gates P.L.L.C.
                              
                              



                                   


                                            Exhibit 10.1

                                            February 22, 1996


                ADVANCED TECHNOLOGY LABORATORIES, INC.
                                   
          Amended 1992 Nonofficer Employee Stock Option Plan


1.  Definitions

        The following terms have the corresponding meanings for
purposes of the Plan:

     "Change of Control" means

     (a)  a "Board Change."  For purposes of the Plan, a Board Change
shall have occurred if a majority of the seats (other than vacant
seats) on the Corporation's Board of Directors (the "Board") were to
be occupied by individuals who were neither (i) nominated by a
majority of the Incumbent Directors nor (ii) appointed by directors so
nominated.  An "Incumbent Director" is a member of the Board who has
been either (i) nominated by a majority of the directors of the
Corporation then in office or (ii) appointed by directors so
nominated, but excluding, for this purpose, any such individual whose
initial assumption of office occurs as a result of either an actual or
threatened election contest (as such terms are used in Rule 14a-11 of
Regulation 14A promulgated under the Securities Exchange Act of 1934,
as amended (the "Exchange Act")) or other actual or threatened
solicitation of proxies or consents by or on behalf of a Person other
than the Board; or

     (b)  the acquisition by any individual, entity or group (within
the meaning of Section 13(d)(3) or 14(d)(2) of the Exchange Act) (a
"Person") of "Beneficial Ownership" (within the meaning of Rule 13d-3
promulgated under the Exchange Act) of (i) 20% or more of either (A)
the then outstanding shares of common stock (the "Outstanding
Corporation Common Stock") or (B) the combined voting power of the
then outstanding voting securities of the Corporation entitled to vote
generally in the election of directors (the "Outstanding Corporation
Voting Securities"), in the case of either (A) or (B) of this clause
(i), which acquisition is not approved in advance by a majority of the
Incumbent Directors or (ii) 33% or more of either (A) the Outstanding
Corporation Common Stock or (B) the Outstanding Corporation Voting
Securities, in the case of either (A) or (B) of this clause (ii),
which acquisition is approved in advance by a majority of the
Incumbent Directors; provided, however, that the following
acquisitions shall not constitute a Change of Control: (x) any
acquisition by the Corporation, (y) any acquisition by any employee
benefit plan (or related trust) sponsored or maintained by the
Corporation or any corporation controlled by the Corporation, or (z)
any acquisition by any corporation pursuant to a reorganization,
merger or consolidation, if, following such reorganization, merger or
consolidation, the conditions described in clauses (i), (ii) and (iii)
of the following subsection (c) are satisfied; or

     (c)  approval by the stockholders of the Corporation of a
reorganization, merger or consolidation, in each case, unless,
immediately following such reorganization, merger or consolidation,
(i) more than 60% of, respectively, the then outstanding shares of
common stock of the corporation resulting from such reorganization,
merger or consolidation and the combined voting power of the then
outstanding voting securities of such corporation entitled to vote
generally in the election of directors is then beneficially owned,
directly or indirectly, by all or substantially all of the individuals
and entities who were the beneficial owners, respectively, of the
Outstanding Corporation Common Stock and Outstanding Corporation
Voting Securities immediately prior to such reorganization, merger or
consolidation in substantially the same proportions as their
ownership, immediately prior to such reorganization, merger or
consolidation, of the Outstanding Corporation Common Stock and
Outstanding Corporation Voting Securities, as the case may be, (ii) no
Person (excluding the Corporation, any employee benefit plan (or
related trust) of the Corporation or such corporation resulting from
such reorganization, merger or consolidation and any Person
beneficially owning, immediately prior to such reorganization, merger
or consolidation, directly or indirectly, 33% or more of the
Outstanding Corporation Common Stock or Outstanding Corporation Voting
Securities, as the case may be) beneficially owns, directly or
indirectly, 33% or more of, respectively, the then outstanding shares
of common stock of the corporation resulting from such reorganization,
merger or consolidation or the combined voting power of the then
outstanding voting securities of such corporation entitled to vote
generally in the election of directors, and (iii)  at least a majority
of the members of the board of directors of the corporation resulting
from such reorganization, merger or consolidation were Incumbent
Directors at the time of the execution of the initial agreement
providing for such reorganization, merger or consolidation; or

     (d)  approval by the stockholders of the Corporation of (i) a
complete liquidation or dissolution of the Corporation or (ii) the
sale or other disposition of all or substantially all of the assets of
the Corporation, other than to a corporation, with 

Page 1
<PAGE> 

respect to which immediately following such sale or other disposition, 
(A) more than 60% of, respectively, the then outstanding shares of common 
stock of such corporation and the combined voting power of the then 
outstanding voting securities of such corporation entitled to vote generally 
in the election of directors is then beneficially owned, directly or
indirectly, by all or substantially all of the individuals and
entities who were the beneficial owners, respectively, of the
Outstanding Corporation Common Stock and Outstanding Corporation
Voting Securities immediately prior to such sale or other disposition
in substantially the same proportion as their ownership, immediately
prior to such sale or other disposition, of the Outstanding
Corporation Common Stock and Outstanding Corporation Voting
Securities, as the case may be, (B) no Person (excluding the
Corporation and any employee benefit plan (or related trust) of the
Corporation or such corporation and any Person beneficially owning,
immediately prior to such sale or other disposition, directly or
indirectly, 33% or more of the Outstanding Corporation Common Stock or
Outstanding Corporation Voting Securities, as the case may be)
beneficially owns, directly or indirectly, 33% or more of,
respectively, the then outstanding shares of common stock of such
corporation and the combined voting power of the then outstanding
voting securities of such corporation entitled to vote generally in
the election of directors, and (C) at least a majority of the members
of the board of directors of such corporation were approved by a
majority of the Incumbent Directors at the time of the execution of
the initial agreement or action of the Board providing for such sale
or other disposition of assets of the Corporation.

     "Committee" means the Committee provided for in Section 4, which
     shall administer the Plan.

     "Common Stock" means common stock, par value $0.01 per share, of
     the Corporation.

     "Corporation" means Advanced Technology Laboratories, Inc., a
     Washington corporation.

     "Designated Beneficiary" means any person designated in writing
by a Participant as a legal recipient of payments due under an award
in the event of the Participant's death, or in the absence of such
designation, the Participant's estate.  Such designation must be on
file with the Corporation in order to be effective but, unless the
Participant has made an irrevocable designation, may be changed from
time to time by the Participant.

     "Fair Market Value" of the Common Stock as of any trading day
means the average (rounded to the next highest cent in the case of
fractions of a cent) of the high and low sales prices of the Common
Stock as reported on such trading day by the NASDAQ National Market
System.  If no sales price is reported for the Common Stock on such
trading day, then "Fair Market Value" shall mean the highest bid price
reported for the Common Stock on such trading day by the National
Quotation Bureau Incorporated or any similar nationally recognized
organization.  The Committee, in its sole discretion, shall make all
determinations required by this definition.

     "Participant" means an employee who has received an award under
the Plan.

     "Plan" means this Advanced Technology Laboratories, Inc. Amended
1992 Nonofficer Employee Stock Option Plan.

     "Retirement" means the termination of the services of a
Participant because of early or normal retirement as defined in the
Corporation's Retirement Plan.

     "Withholding Tax" means any tax, including any federal, state or
local income tax or payroll tax, required by any governmental entity
to be withheld or otherwise deducted and paid with respect to the
transfer of shares of Common Stock as a result of the exercise of an
option.

2.  Stock Subject to the Plan

     There are reserved for issuance upon the exercise of options
under the Plan 320,000 shares of Common Stock.  Such shares may be
authorized and unissued shares of Common Stock or previously
outstanding shares of Common Stock then held in the Corporation's
treasury.  If any option granted under the Plan shall expire or
terminate for any reason (including, without limitation, by reason of
its surrender, pursuant to the provisions of Section 6(f) or the third
paragraph of Section 6(b) or otherwise, or cancellation, in whole or
in part, pursuant to the provisions of Section 6(c) or otherwise, or
the substitution in place thereof of a new option) without having been
exercised in full, the shares subject thereto shall again be available
for the purposes of issuance under the Plan.

3.  Administration

     (a)  The Plan shall be administered by the Committee.  Subject to
the express provisions of the Plan, the Committee shall have plenary
authority, in its discretion, to determine the individuals to whom,
and the time or times at which options shall be granted and the number
of shares to be covered by each such grant.  In making such
determinations, the Committee 

Page 2
<PAGE>
may take into account the nature of the services rendered by the respective 
Participants, their present and potential contributions to the Corporation's 
success and such other factors as the Committee in its discretion may deem 
relevant.  Subject to the express provisions of the Plan, the Committee shall
have plenary authority to interpret the Plan, to prescribe, amend and
rescind rules and regulations relating to it, to determine the terms
and provisions of option agreements (which need not be identical) and
to make all other determinations necessary or advisable for the
administration of the Plan.  The Committee's determinations of the
matters referred to in this Section 3 shall be conclusive.  It is the
intention of the Corporation that the Plan and the administration
hereof comply in all respects with Section 16(b) of the Exchange Act,
and the rules and regulations promulgated thereunder, and if any Plan
provision is later found not to be in compliance with Section 16(b),
the provision shall be deemed null and void, and in all events the
Plan shall be construed in favor of its meeting the requirements of
Rule 16b-3.

     (b)  The Committee may in its discretion delegate to a committee
appointed by the Board consisting of one or more officers of the
Corporation (the "Grant Committee") the authority to grant, pursuant
to this Plan, options for a total number of shares of Common Stock
determined by the Committee, and under terms, conditions and criteria
which are approved by the Committee.  Such authorization may include
the ability to determine the Participants to whom, the number of
shares in respect of which, and the time or times at which, such
options shall be granted.  In the event the Committee shall grant such
authority to the Grant Committee, the Grant Committee shall  report to
the Committee in writing, at times determined by the Committee, (i)
the names of Participants who have received any such grants, (ii) the
number of shares covered by each option so granted, (iii) the date
upon which each such option was granted and (iv) such other
information as the committee may request.  Any action of the Grant
Committee pursuant to authority granted by the Committee under this
Section 3(b) in accordance with the Committee resolution granting such
authority shall be deemed to be the action of the Committee.

4.  The Committee

     (a)  The Board shall designate a Committee of members of the
Board which shall meet the requirements of Section 16(b) of the
Exchange Act.  Currently, the Committee shall consist solely of two or
more members of the Board who are disinterested.  If at any time an
insufficient number of disinterested directors is available to serve
on such Committee, interested directors may serve on the Committee;
however, during such time, no options shall be granted under the Plan
to any person if the granting of such options would not meet the
requirements of Section 16(b) of the Exchange Act.

     (b)  For purposes of this Section 4, a "disinterested director"
is a person who meets the definition of "disinterested person" as set
forth in the rules and regulations promulgated under Section 16(b) of
the Exchange Act.  Currently, a disinterested director is a member of
the Board who is not (and, during the 12-month period preceding his
appointment as a member of the Committee has not been) granted or
awarded stock, stock appreciation rights or other equity securities of
the Corporation or any affiliated corporation pursuant to the Plan or
any other plan of the Corporation or any affiliated corporation except
for formula plans (as such term is defined in Rule 16b-3(c)(2)(ii)
issued under the Exchange Act) or ongoing securities acquisition plans
(as described in Rule 16b-3(d)(2)(i) issued under the Exchange Act).
The Committee shall be appointed by the Board, which may from time to
time appoint members of the Committee in substitution for members
previously appointed and may fill vacancies, however caused, in the
Committee.  The Committee shall select one of its members as its
Chairman and shall hold its meetings at such times and places as it
may determine.  A majority of its members shall constitute a quorum.
All determinations of the Committee shall be made by not less than a
majority of its members.  Any decision or determination reduced to
writing and signed by all the members shall be fully as effective as
if it had been made by a majority vote at a meeting duly called and
held.  The Committee may appoint a secretary, shall keep minutes of
its meetings and shall make such rules and regulations for the conduct
of its business as it shall deem advisable.

5.  Eligibility

        The Committee may grant options only to employees of the
Corporation and of its present and future subsidiary corporations
("subsidiaries") who, at the time of the grant, are not officers or
directors (within the meaning of Section 16 of the Exchange Act and
the rules and regulations promulgated thereunder) of the Corporation
or any of its present and future subsidiary corporations.  Any person
eligible under the Plan may receive one or more grants of options as
the Committee shall from time to time determine, and such
determinations may be different as to different Participants.

6.  Option Grants

     (a)  The Committee is authorized under the Plan, in its
discretion, to issue only options which do not qualify as "incentive
stock options" as defined in Section 422 of the United States Internal
Revenue Code of 1986, as amended ("Nonqualified Stock Options") and
the options shall be designated as Nonqualified Stock Options in the
applicable option agreement.  The purchase price of the Common Stock
under each option granted under the Plan shall be determined by the

Page 3
<PAGE>

Committee but shall be not less than the average Fair Market Value of
the Common Stock over any continuous period of trading days beginning
and ending no more than 30 business days before or after the date such
option is granted.

     (b)  The Committee shall be authorized in its discretion to
prescribe in the option grant the installments, if any, in which an
option granted under the Plan shall become exercisable, provided that
no option shall be exercisable prior to the first anniversary of the
date of grant thereof except as provided in Section 6(c), (d), (g),
and (h) or except as the Committee otherwise determines.  In no case
may an option be exercised as to less than 100 shares at any one time
(or the remaining shares covered by the option if less than 100)
during the term of the option.  The Committee shall also be authorized
to establish the manner of the exercise of an option.  The term of
each option shall be not more than 10 years from the date of grant
thereof.  In general, upon exercise, the option price is to be paid in
full in cash; however, the Committee can determine at any time prior
to exercise that additional forms of payment will be permitted.  To
the extent permitted by the Committee and applicable laws and
regulations (including, but not limited to, federal tax and securities
laws and regulations and state corporate law), an option may be
exercised (i) in Common Stock owned by the option holder having a Fair
Market Value on the date of exercise equal to the aggregate option
price, or in a combination of cash and stock; provided, however, that
payment in stock shall not be made unless such stock shall have been
owned by the option holder for a period of at least three months prior
thereto; or (ii) by delivery of a properly executed exercise notice,
together with irrevocable instructions to a broker designated by the
Corporation, all in accordance with the regulations of the Federal
Reserve Board, to deliver promptly to the Corporation the amount of
sale or loan proceeds to pay the exercise price and any Withholding
Tax obligations that may arise in connection with the exercise.

     In lieu of requiring an option holder to pay cash or stock and to
receive in turn certificates for shares of Common Stock upon the
exercise of an option, if the option agreement so provides, the
Committee may elect to require the option holder to surrender the
option to the Corporation for cancellation as to all or any portion of
the number of shares covered by the intended exercise and receive in
exchange for such surrender a payment, at the election of the
Committee, in cash, in shares of Common Stock or in a combination of
cash and shares of Common Stock, equivalent to the appreciated value
of the shares covered by the option surrendered for cancellation.
Such appreciated value shall be the difference between the option
price of such shares (as adjusted pursuant to Section 15) and the Fair
Market Value of such shares, which shall for this purpose be
determined by the Committee taking into consideration all relevant
factors, but which shall not be less than the Fair Market Value of
such shares on the date on which the option holder's notice of
exercise is received by the Corporation.  Upon delivery to the
Corporation of a notice of exercise of option, the Committee may avail
itself of its right to require the option holder to surrender the
option to the Corporation for cancellation as to shares covered by
such intended exercise.  The Committee's right of election shall
expire, if not exercised, at the close of business on the fifth
business day following the delivery to the Corporation of such notice.
Should the Committee not exercise such right of election, the delivery
of the aforesaid notice of exercise shall constitute an exercise by
the option holder of the option to the extent therein set forth, and
payment for the shares covered by such exercise shall become due
immediately.

     (c)  In the event that a Participant's services for the
Corporation or one of its subsidiaries shall cease and the termination
of such individual's service is for cause, the option shall
automatically terminate upon first notification to the option holder
of such termination of services, unless the Committee determines
otherwise, and such option shall automatically terminate upon the date
of such termination of services for all shares which were not
purchasable upon such date.  For purposes of this Section 6(c),
"cause" is defined as a determination by the Committee that the option
holder (i) has committed a felony, (ii) has engaged in an act or acts
of deliberate and intentional dishonesty resulting or intended to
result directly or indirectly in improper material gain to or personal
enrichment of the individual at the Corporation's expense, or (iii)
has willfully disobeyed the Corporation's appropriate rules,
instructions or orders, and such willful disobedience has continued
for a period of 10 days following notice thereof from the Corporation.

     In the event of the termination of the services of the holder of
an option because of Retirement or disability, he or she may (unless
such option shall have been previously terminated pursuant to the
provisions of the preceding paragraph or unless otherwise provided in
the option grant) exercise such option at any time prior to the
expiration of the option, (i) in the event of disability or normal
Retirement, to the extent of the number of shares covered by such
option, whether or not such shares had become purchasable by him or
her at the date of the termination of his or her services and (ii) in
the event of early Retirement, to the extent of the number of shares
covered by such option at such time or times as such option becomes
purchasable by him or her in accordance with its terms.

     In the event of the death of an individual to whom an option has
been granted under the Plan, while he or she is performing services
for the Corporation or a subsidiary, the option theretofore granted to
him or her (unless the option shall have been previously terminated
pursuant to the provisions of this Section 6(c) or unless otherwise
provided in the option grant) may, subject to the limitations
described in Section 6(g), be exercised by his or her Designated
Beneficiary, by his or her legatee or legatees of the option under his
last will, or by his or her personal representatives or distributees,
at any time within a period of one year after his or her death, but
not after the expiration of the option, to the extent of the remaining

Page 4
<PAGE>

shares covered by the option whether or not such shares had become
purchasable by such an individual at the date of death.  In the event
of the death of an individual (i) during the one-year period following
termination of his or her services or (ii) following termination of
his or her services by reason of Retirement or disability, then the
option (if not previously terminated pursuant to the provisions of
this Section 6(c)) may be exercised during the remainder of such one-
year period or during the remaining term of the option, respectively,
by his or her Designated Beneficiary, by his or her legatee under his
or her last will, or by his or her personal representative or
distributee, but only to the extent of the number of shares
purchasable by such Participant pursuant to the provisions of Section
6(d) at the date of termination of services.

     In the event of the termination of the services of the holder of
an option, other than by reason of Retirement, disability or death, he
or she may (unless the option shall have been previously terminated
pursuant to the provisions of this Section 6(c) or unless otherwise
provided in the option grant) exercise the option at any time within
one year after such termination but not after the expiration of the
option, to the extent of the number of shares covered by the option
which were purchasable by him or her at the date of the termination of
services, and such option shall automatically terminate upon the date
of such termination of services for all shares which were not
purchasable upon such date.

     (d)  Notwithstanding the foregoing provisions, the Committee may
determine, in its sole discretion, in the case of any termination of
services, that the holder of an option may exercise such option to the
extent of some or all of the remaining shares covered thereby whether
or not such shares had become purchasable by such an individual at the
date of the termination of his services and may exercise such option
at any time prior to the expiration of the original term of the
option.  Options granted under the Plan shall not be affected by any
change of relationship with the Corporation so long as the holder
continues to be an employee of the Corporation or of a subsidiary;
however, a change in a Participant's status from an employee to a
nonemployee shall result in the termination of an outstanding option
held by such Participant in accordance with Section 6(c).  The
Committee, in its absolute discretion, may determine all questions of
whether particular leaves of absence constitute a termination of
service.  Nothing in the Plan or in any option granted pursuant to the
Plan shall confer on any individual any right to continue in the
employ or other service of the Corporation or any other person or
interfere in any way with the right of the Corporation or any other
person to terminate his or her employment or other services at any
time.

     (e)  The date of grant of an option pursuant to the Plan shall be
the date specified by the Committee, or the Grant Committee acting
pursuant to authority granted under Section 3(b), at the time it
grants such option, provided that such date shall not be prior to the
date of such action by the Committee or the grant Committee, and that
the price shall be determined in accordance with Section 6(a) on such
date.  The Committee or Grant Committee shall promptly notify a
grantee of an award and a written option grant shall promptly be duly
executed and delivered by or on behalf of the Corporation.

     (f)  The Committee shall be authorized, in its absolute
discretion, to permit option holders to surrender outstanding options
in exchange for the grant of new options or to require option holders
to surrender outstanding options as a condition precedent to the grant
of new options.  The number of shares covered by the new options, the
option price (subject to the provisions of Section 6(a)), the option
period and other terms and conditions of the new options shall all be
determined in accordance with the Plan and may be different from the
provisions of the surrendered options.

     (g)  Notwithstanding any contrary waiting period, installment
period or other limitation or restriction in any option agreement or
in the Plan, in the event of a Change of Control, each option
outstanding under the Plan shall thereupon become exercisable at any
time during the remaining term of the option, but not after the term
of the option, to the extent of the number of shares covered by the
option, whether or not such shares had become purchasable by the
Participant thereunder immediately prior to such Change of Control.

     (h)  Anything in the Plan to the contrary notwithstanding, during
the 90 calendar days from and after a Change of Control (x) an
optionee (other than an optionee who initiated a Change of Control in
a capacity other than as an officer or a Director of the Corporation)
who is an officer or a Director of the Corporation (within the meaning
of Section 16 of the Exchange Act and the rules and regulations
promulgated thereunder) with respect to an option that was granted at
least six months prior to the date of exercise pursuant to this
sentence and (y) any other optionee who is not an officer or a
Director with respect to an option shall, unless the Committee shall
determine otherwise at the time of grant, have the right, in lieu of
the payment of the full purchase price of the shares of Common Stock
being purchased under the option and by giving written notice to the
Corporation, to elect (within such 90-day period) to surrender all or
part of the option to the Corporation and to receive in cash an amount
equal to the amount by which the Fair Market Value of the Common Stock
on the date of exercise shall exceed the purchase price per share
under the option multiplied by the number of shares of Common Stock
granted under the stock option as to which the right granted by this
sentence shall have been exercised.  Such written notice shall specify
the optionee's election to purchase shares granted under the option or
to receive the cash payment referred to in the immediately preceding
sentence.

Page 5
<PAGE>

7.  Withholding Taxes

     In connection with the transfer of shares of Common Stock as a
result of the exercise of an option the Corporation (a) shall not
issue a certificate for such shares until it has received payment from
the Participant of any Withholding Tax in cash or by the retention by
the Corporation or acceptance by the Corporation upon delivery thereof
by the Participant of shares of Common Stock sufficient in Fair Market
Value to cover the amount of such Withholding Tax and (b) shall have
the right to retain or sell without notice, or to demand surrender of,
shares of Common Stock in value sufficient to cover any Withholding
Tax.  The Corporation shall have the right to withhold from any cash
amounts due from the Corporation to the Participant pursuant to the
Plan an amount equal to the Withholding Tax.  In either case, the
Corporation shall make payment (or reimburse itself for payment made)
to the appropriate taxing authority of an amount in cash equal to the
amount of such Withholding Tax, remitting any balance to the
Participant.  For purposes of this Section 7, the value of shares of
Common Stock so retained or surrendered shall be equal to the Fair
Market Value of such shares on the date that the amount of the
Withholding Tax is to be determined (the "Tax Date"), and the value of
shares of Common Stock so sold shall be the actual net sale price per
share (after deduction of commissions) received by the Corporation.

     Notwithstanding the foregoing, the Participant may elect, subject
to approval by the Committee, to satisfy the obligation to pay any
Withholding Tax, in whole or in part, by providing the Corporation
with funds sufficient to enable the Corporation to pay such
Withholding Tax or by having the Corporation retain or accept upon
delivery thereof by the Participant shares of Common Stock sufficient
in Fair Market Value to cover the amount of such Withholding Tax.
Each election by a Participant to have shares retained or to deliver
shares for this purpose shall be subject to the following
restrictions:  (i) the election must be in writing and made on or
prior to the Tax Date and (ii) if the Participant is subject to
Section 16 of the Exchange Act, an election to have shares retained to
satisfy the Withholding Tax must be an irrevocable election made at
least six months prior to the Tax Date or the withholding election
must become effective during the 10-business-day period beginning on
the third business day following the date on which the Corporation
releases for publication its annual or quarterly summary statements of
sales and earnings and ending on the twelfth business day following
the date of release thereof.

8.  Transferability and Ownership Rights of Options

     No option awarded under the Plan shall be transferable otherwise
than pursuant to the designation of a Designated Beneficiary or by
will, descent or distribution, and an option may be exercised, during
the lifetime of the holder thereof, only by him or her.  The holder of
an option shall have none of the rights of a stockholder until the
shares subject thereto shall have been registered in the name of such
holder on the transfer books of the Corporation.

9.  Section 16(b) Compliance and Bifurcation of Plan

     It is the intention of the Corporation that, if any of the
Corporation's equity securities are registered pursuant to Section
12(b) or 12(g) of the Exchange Act, the Plan shall comply in all
respects with Rule 16b-3 under the Exchange Act and, if any Plan
provision is later found not to be in compliance with such Section,
the provision shall be deemed null and void, and in all events the
plan shall be construed in favor of its meeting the requirements of
Rule 16b-3.  Notwithstanding anything in the Plan to the contrary, the
Board, in its absolute discretion, may bifurcate the Plan so as to
restrict, limit or condition the use of any provision of the Plan to
participants who are officers and directors subject to Section 16 of
the Exchange Act without so restricting, limiting or conditioning the
Plan with respect to other participants.

10.  Adjustments Upon Changes in Capitalization

     Except as otherwise provided in Section 6(h) and Section 6(i), in
the event of any changes in the outstanding stock of the Corporation
by reason of stock dividends, stock splits, recapitalizations,
mergers, consolidations, combinations or exchanges of shares, split-
ups, split-offs, spin-offs, liquidations or other similar changes in
capitalization, or any distribution to stockholders other than cash
dividends, the Committee shall make such adjustments, if any, in light
of the change or distribution as the Committee in its sole discretion
shall determine to be appropriate, in the number and class of shares
or rights subject to options and the exercise prices of the options
covered thereby.  In the event of any such change in the outstanding
Common Stock of the Corporation, the aggregate number and class of
shares available under the Plan and the maximum number of shares as to
which options may be granted shall be appropriately adjusted by the
Committee.

11.  Amendment and Termination

     Unless the Plan shall theretofore have been terminated as
hereinafter provided, the Plan shall terminate on, and no awards of
options shall be made after, October 31, 2002; provided, however, that
such termination shall have no effect on awards of options made prior
thereto.  The Plan may be terminated, modified or amended by the
stockholders of the 

Page 6
<PAGE>

Corporation.  The Board of Directors of the Corporation may also terminate 
the Plan, or modify or amend the Plan in such respects as it shall deem 
advisable in order to conform to any change in any law or regulation 
applicable thereto, or in other respects.  The amendment or termination of 
the Plan shall not, without the consent of the recipient of any award 
under the Plan, alter or impair any rights or obligations under any award 
theretofore granted under the Plan.

12.  Effectiveness of the Plan

     The Plan shall become effective on November 1, 1992.  The
Committee may in its discretion authorize the granting of options, the
exercise of which shall be expressly subject to the conditions that
(a) the shares of Common Stock reserved for issuance under the Plan
shall have been duly listed, upon official notice of issuance, upon
each stock exchange in the United States upon which the Common Stock
is traded and (b) a registration statement under the Securities Act of
1933, as amended, with respect to such shares shall have become
effective.

Page 7
<PAGE>





                                                   Exhibit 10.2   
                                                   May 8, 1996
                                                  
             ADVANCED TECHNOLOGY LABORATORIES, INC.
                                
Amended 1992 Option, Stock Appreciation Right, Restricted Stock,
              Stock Grant and Performance Unit Plan
                                
1.   Definitions

  The following terms have the corresponding meanings for
purposes of the Plan:

  "Award Cycle" means a period of not less than three fiscal
years over which performance units granted during a particular
year are to be earned out.

  "Change of Control" means
     
  (a)  a "Board Change." For purposes of the Plan, a Board Change
shall have occurred if a majority of the seats (other than vacant
seats) on the Corporation's Board of Directors (the "Board") were
to be occupied by individuals who were neither (i) nominated by a
majority  of  the  Incumbent  Directors  nor  (ii)  appointed  by
directors  so nominated.  An "Incumbent Director" is a member  of
the  Board who has been either (i) nominated by a majority of the
directors of the Corporation then in office or (ii) appointed  by
directors so nominated, but excluding, for this purpose, any such
individual whose initial assumption of office occurs as a  result
of either an actual or threatened election contest (as such terms
are  used in Rule 14a-11 of Regulation 14A promulgated under  the
Securities Exchange Act of 1934, as amended (the "Exchange  Act"))  
or  other  actual  or threatened solicitation  of  proxies  or
consents by or on behalf of a Person other than the Board; or
     
  (b)  The acquisition by any individual, entity or group (within
the  meaning  of Section 13(d) (3) or 14(d) (2) of  the  Exchange
Act)  (a  "Person") of "Beneficial Ownership" (within the meaning
of  Rule 13d3 promulgated under the Exchange Act) of (i)  20%  or
more  of  either (A) the then outstanding shares of common  stock
(the  "Outstanding Corporation Common Stock") or (B) the combined
voting  power  of the then outstanding voting securities  of  the
Corporation  entitled  to  vote  generally  in  the  election  of
directors  (the "Outstanding Corporation Voting Securities"),  in
the  case  of  either  (A)  or  (B) of  this  clause  (i),  which
acquisition  is  not approved in advance by  a  majority  of  the
Incumbent  Directors  or  (ii) 33% or more  of  either  (A)   the
Outstanding  Corporation  Common Stock  or  (B)  the  Outstanding
Corporation Voting Securities, in the case of either (A)  or  (B)
of  this clause (ii), which acquisition is approved in advance by
a  majority  of the Incumbent Directors; provided, however,  that
the  following  acquisitions shall not  constitute  a  Change  of
Control:  (x)  any  acquisition  by  the  Corporation,  (y)   any
acquisition  by  any  employee benefit plan  (or  related  trust)
sponsored  or  maintained by the Corporation or  any  corporation
controlled  by  the  Corporation, or (z) any acquisition  by  any
corporation   pursuant   to   a   reorganization,    merger    or
consolidation,  if,  following  such  reorganization,  merger  or
consolidation, the conditions described in clauses (i), (ii)  and
(iii) of the following subsection (c) are satisfied; or
     
   (c)    Approval  by the stockholders of the Corporation  of  a
reorganization,  merger or consolidation, in each  case,  unless,
following such reorganization, merger or consolidation, (i)  more
than  60% of, respectively, the then outstanding shares of common
stock  of  the  corporation resulting from  such  reorganization,
merger or consolidation and the combined voting power of the then
outstanding  voting  securities of such corporation  entitled  to
vote  generally in the election of directors is then beneficially
owned, directly or indirectly, by all or substantially all of the
individuals   and  entities  who  were  the  beneficial   owners,
respectively,  of  the Outstanding Corporation Common  Stock  and
Outstanding  Corporation Voting Securities immediately  prior  to
such reorganization, merger or consolidation in substantially the
same  proportions as their ownership, immediately prior  to  such
reorganization,  merger  or  consolidation,  of  the  Outstanding
Corporation  Common  Stock  and  Outstanding  Corporation  Voting

                              1
<PAGE>

Securities,  as  the case may be, (ii) no Person  (excluding  the
Corporation, any employee benefit plan (or related trust) of  the
Corporation   or   such   corporation   resulting    from    such
reorganization,   merger   or  consolidation   and   any   Person
beneficially  owning,  immediately prior to such  reorganization,
merger  or consolidation, directly or indirectly, 33% or more  of
the   Outstanding   Corporation  Common  Stock   or   Outstanding
Corporation  Voting Securities, as the case may be)  beneficially
owns,  directly or indirectly, 33% or more of, respectively,  the
then  outstanding  shares  of common  stock  of  the  corporation
resulting  from  such reorganization, merger or consolidation  or
the   combined  voting  power  of  the  then  outstanding  voting
securities of such corporation entitled to vote generally in  the
election  of  directors, and (iii) at least  a  majority  of  the
members  of  the board of directors of the corporation  resulting
from  such reorganization, merger or consolidation were Incumbent
Directors  at the time of the execution of the initial  agreement
providing for such reorganization, merger or consolidation; or

   (d)  Approval by the stockholders of the Corporation of (i)  a
complete  liquidation or dissolution of the Corporation  or  (ii)
the  sale or other disposition of all or substantially all of the
assets  of  the  Corporation, other than to a  corporation,  with
respect  to  which following such sale or other disposition,  (A)
more  than  60% of, respectively, the then outstanding shares  of
common stock of such corporation and the combined voting power of
the  then  outstanding  voting  securities  of  such  corporation
entitled to vote generally in the election of directors  is  then
beneficially   owned,   directly  or  indirectly,   by   all   or
substantially all of the individuals and entities  who  were  the
beneficial  owners, respectively, of the Outstanding  Corporation
Common   Stock  and  Outstanding  Corporation  Voting  Securities
immediately   prior  to  such  sale  or  other   disposition   in
substantially the same proportion as their ownership, immediately
prior  to  such  sale  or other disposition, of  the  Outstanding
Corporation  Common  Stock  and  Outstanding  Corporation  Voting
Securities,  as  the  case may be, (B) no Person  (excluding  the
Corporation and any employee benefit plan (or related  trust)  of
the  Corporation or such corporation and any Person  beneficially
owning,  immediately  prior to such sale  or  other  disposition,
directly   or   indirectly,  33%  or  more  of  the   Outstanding
Corporation  Common  Stock  or  Outstanding  Corporation   Voting
Securities,  as the case may be) beneficially owns,  directly  or
indirectly,  33%  or more of, respectively, the then  outstanding
shares  of  common  stock of such corporation  and  the  combined
voting  power of the then outstanding voting securities  of  such
corporation  entitled  to  vote  generally  in  the  election  of
directors,  and  (C) at least a majority of the  members  of  the
board  of  directors  of  such corporation  were  approved  by  a
majority  of the Incumbent Directors at the time of the execution
of  the  initial agreement or action of the Board  providing  for
such sale or other disposition of assets of the Corporation.
     
   "Committee"  means the Committee provided for  in  Section  4,
which shall administer the Plan.

   "Common Stock" means common stock, par value $0.01 per  share,
of the Corporation.

   "Corporation" means Advanced Technology Laboratories, Inc.,  a
Delaware corporation.

  "Designated Beneficiary" means any person designated in writing
by  a  Participant as a legal recipient of payments due under  an
award  in the event of the Participant's death, or in the absence
of  such designation, the Participant's estate.  Such designation
must  be  on  file with the Corporation in order to be  effective
but,  unless the Participant has made an irrevocable designation,
may be changed from time to time by the Participant.
     
   "Fair Market Value" of the Common Stock as of any trading  day
means  the average (rounded to the next highest cent in the  case
of  fractions of a cent) of the high and low sales prices of  the
Common  Stock  as  reported on such trading  day  by  the  NASDAQ
National  Market System.  If no sales price is reported  for  the
Common Stock on such trading day, then "Fair Market Value"  shall
mean  the highest bid price reported for the Common Stock on such
trading day by the National Quotation Bureau Incorporated or  any
similar  nationally recognized organization.  The  Committee,  in
its  sole  discretion, shall make all determinations required  by
this definition.

                               2
<PAGE>

   "Participant"  means  an employee, consultant  or  independent
contractor who has received an award under the Plan.

   "Payment Schedule" means the schedule adopted by the Committee
in  accordance with Section 10 with respect to an Award Cycle  to
govern  determination of the Payment Value of a performance  unit
at the end of such Award Cycle in accordance with Section 10.
     
   "Payment  Value" means the value, expressed in dollars,  of  a
performance unit at the conclusion of an Award Cycle,  determined
in accordance with Section 10.

   "Plan"  means  this  Advanced  Technology  Laboratories,  Inc.
Amended 1992 Option, Stock Appreciation Right, Restricted  Stock,
Stock Grant and Performance Unit Plan.

  "Restricted Stock" means the shares of Common Stock referred to
in Section 8.
     
   "Retirement"  means  the termination  of  the  services  of  a
Participant because of early or normal retirement as  defined  in
the Westmark Retirement Plan.

   "Withholding Tax" means any tax, including any federal,  state
or  local income tax, required by any governmental entity  to  be
withheld  or  otherwise deducted and paid  with  respect  to  the
transfer of shares of Common Stock as a result of the exercise of
a  Nonqualified  Stock  Option or stock appreciation  right,  the
payment of performance units or the award of Restricted Stock  or
stock grants.
     
2.    Stock Subject to the Plan

   There  are reserved for issuance upon the exercise of options,
for  issuance of Restricted Stock and stock grant awards and  for
issuance  upon  the  payment  of  performance  units  and   stock
appreciation  rights under the Plan 2,700,000  shares  of  Common
Stock,  of which no more than an aggregate of 550,000 shares  may
be  issued as Restricted Stock awards and stock grants under  the
Plan.   Such  shares  may be authorized and  unissued  shares  of
Common  Stock  or previously outstanding shares of  Common  Stock
then  held in the Corporation's treasury.  If any option or stock
appreciation  right  granted  under  the  Plan  shall  expire  or
terminate  for  any  reason (including,  without  limitation,  by
reason  of  its surrender, pursuant to the provisions of  Section
6(f)  or  the  third paragraph of Section 6(b) or  otherwise,  or
cancellation, in whole or in part, pursuant to the provisions  of
Section  6(c)  or otherwise or pursuant to Section 7(f),  or  the
substitution  in  place  thereof  of  a  new  option   or   stock
appreciation  right) without having been exercised in  full,  the
shares  subject thereto shall again be available for the purposes
of  issuance under the Plan.  If shares of Restricted Stock shall
be  forfeited  and returned to the Corporation  pursuant  to  the
provisions of Section 8, such shares shall again be available for
the  purposes  of  issuance under the Plan.  In  no  event  shall
shares  of Common Stock which, under the Plan, are authorized  to
be  used  in payment of performance unit awards be deemed  to  be
unavailable for purposes of the Plan until such shares have  been
issued  in  payment thereof in accordance with the provisions  of
Section  10(g).   Stock appreciation rights and performance  unit
awards providing for payments only in cash are not subject to the
overall limitations referred to above.

3.   Administration

       The Plan shall be administered by the Committee.  Subject to
the  express  provisions of the Plan, the  Committee  shall  have
plenary   authority,  in  its  discretion,   to   determine   the
individuals  to whom, and the time or times at which, performance
units or Restricted Stock shall be awarded and stock appreciation
rights   or   options   shall  be  granted  (including,   without
limitation, whether such options shall be Incentive Stock Options
or  Nonqualified Stock Options or a combination thereof, as  such
terms are defined in Section 6(a)) and the number of units and/or
shares to be covered by each such award or grant.  In making such
determinations, the Committee may take into account the nature of
the  services  rendered  by  

                               3
<PAGE>

the  respective  Participants,  their  present  and  potential 
contributions to the Corporation's success  and  such  other  
factors as the Committee in its discretion  may deem  relevant.  
Subject to the express provisions of  the  Plan, the Committee 
shall have plenary authority to interpret the Plan, to prescribe, 
amend  and  rescind  rules  and  regulations  relating to it,  to  
determine the terms and provisions of Restricted  Stock, 
performance unit, stock appreciation right and option  agreements
(which   need   not  be  identical)  and  to   make   all   other
determinations  necessary or advisable for the administration  of
the Plan.  The Committee's determinations of the matters referred
to in this Section 3 shall be conclusive.  It is the intention of
the  Corporation  that  the  Plan and the  administration  hereof
comply  in  all respects with Section 16(b) of the Exchange  Act,
and  the rules and regulations promulgated thereunder, and if any
Plan  provision  is  later found not to  be  in  compliance  with
Section  16(b), the provision shall be deemed null and void,  and
in all events the Plan shall be construed in favor of its meeting
the  requirements of Rule 16b-3.  Notwithstanding anything in the
Plan to the contrary, the Board, in its absolute discretion,  may
bifurcate the Plan so as to restrict, limit or condition the  use
of  any  provision  of the Plan to persons  who  are  subject  to
Section   16   of  the  Exchange  Act  without  so  limiting   or
conditioning the Plan with respect to other persons.
     
4.   The Committee
     
   The  Board shall designate a Committee of members of the Board
which  shall  meet  the  requirements of  Section  16(b)  of  the
Exchange  Act.  Currently, the Committee shall consist solely  of
two  or more members of the Board who are disinterested.   If  at
any  time  an  insufficient number of disinterested directors  is
available  to  serve on such Committee, interested directors  may
serve  on  the Committee; however, during such time, no  options,
stock  appreciation rights or Restricted Stock shall  be  granted
under  the  Plan to any person if the granting of  such  options,
stock appreciation rights or Restricted Stock would not meet  the
requirements of Section 16(b) of the Exchange Act.

  For purposes of this Section 4, a "disinterested director" is a
person who meets the definition of "disinterested person" as  set
forth  in  the  rules and regulations promulgated  under  Section
16(b)  of  the Exchange Act.  Currently, a disinterested director
is  a  member  of the Board who is not (and, during the  12-month
period preceding his appointment as a member of the Committee has
not been) granted or awarded stock, stock appreciation rights  or
other  equity  securities of the Corporation  or  any  affiliated
corporation  pursuant  to  the Plan or  any  other  plan  of  the
Corporation  or  any  affiliated corporation except  for  formula
plans  (as such term is defined in Rule 16b-3 (c) (2) (ii) issued
under  the Exchange Act) or ongoing securities acquisition  plans
(as described in Rule 16b-3 (d) (2) (i) issued under the Exchange
Act).   The Committee shall be appointed by the Board, which  may
from   time   to  time  appoint  members  of  the  Committee   in
substitution  for  members  previously  appointed  and  may  fill
vacancies, however caused, in the Committee.  The Committee shall
select  one  of  its members as its Chairman and shall  hold  its
meetings  at  such  times  and places as  it  may  determine.   A
majority   of  its  members  shall  constitute  a  quorum.    All
determinations of the Committee shall be made by not less than  a
majority  of its members.  Any decision or determination  reduced
to  writing  and  signed by all the members  shall  be  fully  as
effective as if it had been made by a majority vote at a  meeting
duly  called  and held.  The Committee may appoint  a  secretary,
shall keep minutes of its meetings and shall make such rules  and
regulations  for  the conduct of its business as  it  shall  deem
advisable.
     
5.   Eligibility

   The Committee may award performance units and Restricted Stock
and   grant  options  and  stock  appreciation  rights  only   to
employees, consultants or independent contractors (which term  as
used  herein  includes officers) of the Corporation  and  of  its
present and future subsidiary corporations ("subsidiaries").  Any
person eligible under the Plan may receive one or more awards  of
performance  units or Restricted Stock or one or more  grants  of
options or stock appreciation rights, or any combination thereof,
as  the  Committee  shall from time to time determine,  and  such
determinations may be different as to different Participants  and
may vary as to different awards and grants.

                               4
<PAGE>

   The  maximum number of shares of Common Stock with respect  to
which an option or options or a stock appreciation right or stock
appreciation  rights may be granted to any eligible  employee  in
any  one  fiscal year of the Company shall not exceed ten percent
of  the aggregate number of shares of Common Stock authorized for
issuance under the plan (the "Maximum Annual Employee Grant").

6.   Option Grants

   (a)   The  Committee  is authorized under  the  Plan,  in  its
discretion,  to  issue options as "Incentive Stock  Options"  (as
defined in Section 422 of the United States Internal Revenue Code
of  1986,  as  amended  (the "Code")) or as  "Nonqualified  Stock
Options"  (all other options granted hereunder) and  the  options
shall  be  designated as Incentive Stock Options or  Nonqualified
Stock  Options in the applicable option agreement.  The  purchase
price  of  the Common Stock under each option granted  under  the
Plan  shall be determined by the Committee but shall be not  less
than  100%  of the Fair Market Value of the Common Stock  at  the
time  such  option  is  granted.   Notwithstanding  the  previous
sentence,  any  Nonqualified Stock Option may  provide  that  the
purchase price be equal to the average Fair Market Value  of  the
Common Stock over any continuous period of trading days beginning
and ending no more than 30 business days before or after the date
such option is granted.
     
   (b)    The Committee shall be authorized in its discretion  to
prescribe in the option grant the installments, if any, in  which
an  option  granted  under  the Plan  shall  become  exercisable,
provided  that no option shall be exercisable prior to the  first
anniversary  of the date of grant thereof except as  provided  in
Sections  6(c), (d), (h), (i) and (j) or except as the  Committee
otherwise  determines.  In no case may an option be exercised  as
to  less than 100 shares at any one time (or the remaining shares
covered  by the option if less than 100) during the term  of  the
option.  The Committee shall also be authorized to establish  the
manner  of  the exercise of an option.  The term of  each  option
shall be not more than 10 years from the date of grant thereof.

   In  general, upon exercise, the option price is to be paid  in
full  in  cash; however, the Committee can determine at the  time
the  option is granted for Incentive Stock Options or at any time
prior to exercise for Nonqualified Stock Options, that additional
forms  of payment will be permitted.  To the extent permitted  by
the Committee and applicable laws and regulations (including, but
not  limited  to, federal tax and securities laws and regulations
and  state  corporate  law), an option may be  exercised  (i)  in
Common  Stock  owned by the option holder having  a  Fair  Market
Value  on  the  date  of exercise equal to the  aggregate  option
price,  or in a combination of cash and stock; provided, however,
that  payment in stock shall not be made unless such stock  shall
have  been  owned by the option holder for a period of  at  least
three  months  prior thereto; or (ii) by delivery of  a  properly
executed  exercise notice, together with irrevocable instructions
to a broker designated by the Corporation, all in accordance with
the regulations of the Federal Reserve Board, to deliver promptly
to the Corporation the amount of sale or loan proceeds to pay the
exercise  price  and any federal, state or local withholding  tax
obligations that may arise in connection with the exercise.
     
   In lieu of requiring an option holder to pay cash or stock and
to  receive in turn certificates for shares of Common Stock  upon
the  exercise  of a Nonqualified Stock Option, if the  option  so
provides, the Committee may elect to require the option holder to
surrender  the option to the Corporation for cancellation  as  to
all  or  any  portion  of  the number of shares  covered  by  the
intended  exercise and receive in exchange for such  surrender  a
payment, at the election of the Committee, in cash, in shares  of
Common  Stock  or in a combination of cash and shares  of  Common
Stock,  equivalent to the appreciated value of the shares covered
by  the  option  surrendered for cancellation.  Such  appreciated
value  shall be the difference between the option price  of  such
shares  (as adjusted pursuant to Section 15) and the Fair  Market
Value  of such shares, which shall for this purpose be determined
by  the Committee taking into consideration all relevant factors,
but  which shall not be less than the Fair Market Value  of  such
shares  on  the  date  on  which the option  holder's  notice  of
exercise  is received by the Corporation.  Upon delivery  to  the

                               5
<PAGE>

Corporation of a notice of exercise of option, the Committee  may
avail  itself  of  its  right to require  the  option  holder  to
surrender  the option to the Corporation for cancellation  as  to
shares covered by such intended exercise.  The Committee's  right
of  election  shall expire, if not exercised,  at  the  close  of
business on the fifth business day following the delivery to  the
Corporation  of such notice.  Should the Committee  not  exercise
such  right of election, the delivery of the aforesaid notice  of
exercise shall constitute an exercise by the option holder of the
option  to  the  extent therein set forth, and  payment  for  the
shares covered by such exercise shall become due immediately.
     
   (c)   In  the  event  that a Participant's  services  for  the
Corporation  or  one  of its subsidiaries  shall  cease  and  the
termination of such individual's service is for cause, the option
shall  automatically  terminate upon first  notification  to  the
option  holder  of  such  termination  of  services,  unless  the
Committee   determines   otherwise,   and   such   option   shall
automatically  terminate upon the date  of  such  termination  of
services  for  all  shares which were not purchasable  upon  such
date.  For purposes of this Section 6(c), "cause" is defined as a
determination  by the Committee that the option  holder  (i)  has
committed  a  felony,  (ii) has engaged in  an  act  or  acts  of
deliberate  and intentional dishonesty resulting or  intended  to
result  directly or indirectly in improper material  gain  to  or
personal  enrichment  of  the  individual  at  the  Corporation's
expense,  or  (iii)  has  willfully disobeyed  the  Corporation's
appropriate  rules,  instructions or  orders,  and  such  willful
disobeyance  has  continued for a period  of  10  days  following
notice thereof from the Corporation.
     
   In  the event of the termination of the services of the holder
of  an option because of Retirement or disability, he may (unless
such option shall have been previously terminated pursuant to the
provisions  of  the  preceding  paragraph  or  unless   otherwise
provided  in his option grant) exercise such option at  any  time
prior  to  the  expiration of the option, (i)  in  the  event  of
disability or normal Retirement, to the extent of the  number  of
shares  covered  by such option, whether or not such  shares  had
become  purchasable by him at the date of the termination of  his
services and (ii) in the event of early Retirement, to the extent
of  the  number of shares covered by such option at such time  or
times  as  such  option becomes purchasable by him in  accordance
with  its  terms.  (Although the option may  be  exercised  after
Retirement or disability, under Section 422 of the Code,  if  the
option has been designated as an Incentive Stock Option, it  must
be  exercised within three months after the date of Retirement or
one year after the termination of employment due to disability in
order to qualify for incentive stock option tax treatment.)

   In  the event of the death of an individual to whom an  option
has  been granted under the Plan, while he is performing services
for  the  Corporation  or  a subsidiary, the  option  theretofore
granted  to  him  (unless his option shall have  been  previously
terminated  pursuant to the provisions of this  Section  6(c)  or
unless  otherwise provided in his option grant) may,  subject  to
the  limitations described in Section 6(g), be exercised  by  his
Designated Beneficiary, by his legatee or legatees of the  option
under  his  last  will,  or  by his personal  representatives  or
distributees, at any time within a period of one year  after  his
death,  but not after the expiration of the option, to the extent
of the remaining shares covered by his option whether or not such
shares  had become purchasable by such an individual at the  date
of  his  death.   In the event of the death of an individual  (i)
during  the one-year period following termination of his services
or  (ii)  following  termination of his  services  by  reason  of
Retirement  or  disability, then the option  (if  not  previously
terminated pursuant to the provisions of this  Section 6(c))  may
be  exercised  during the remainder of such  one-year  period  or
during  the  remaining term of the option, respectively,  by  his
Designated Beneficiary, by his legatee under his last will, or by
his  personal  representative or distributee,  but  only  to  the
extent  of  the number of shares purchasable by such  Participant
pursuant  to  the  provisions of Section  6(d)  at  the  date  of
termination of his services.

   In  the event of the termination of the services of the holder
of  an option, other than by reason of Retirement, disability  or
death,  he  may  (unless his option shall  have  been  previously
terminated  pursuant to the provisions of this  Section  6(c)  or
unless  otherwise  provided  in his option  grant)  exercise  his
option  at  any time within one year after such termination,  but
not  after  the  expiration of the option, to the extent  of  the
number of shares covered by his option which were purchasable  by
him  at  the  date of the 

                               6
<PAGE>

termination of his services,  and such option shall automatically 
terminate  upon  the  date  of  such  termination of services for 
all shares which were not purchasable upon such date.
     
   (d)   Notwithstanding the foregoing provisions, the  Committee
may  determine,  in  its sole discretion,  in  the  case  of  any
termination  of  services,  that the  holder  of  an  option  may
exercise  such  option  to the extent  of  some  or  all  of  the
remaining  shares covered thereby whether or not such shares  had
become  purchasable  by such an individual at  the  date  of  the
termination of his services and may exercise such option  at  any
time  prior to the expiration of the original term of the option,
except  that  such extension shall not cause any Incentive  Stock
Option  to  fail  to  continue to qualify as an  Incentive  Stock
Option without the consent of the option holder.  Options granted
under   the  Plan  shall  not  be  affected  by  any  change   of
relationship with the Corporation so long as the holder continues
to  be  an employee, consultant or independent contractor of  the
Corporation  or  of  a  subsidiary;  however,  a  change   in   a
participant's  status  from an employee to a  nonemployee  (e.g.,
consultant  or  independent  contractor)  shall  result  in   the
termination of an outstanding Incentive Stock Option held by such
participant  in accordance with Section 6(c).  The Committee,  in
its  absolute discretion, may determine all questions of  whether
particular   leaves  of  absence  constitute  a  termination   of
services; provided, however, that with respect to incentive stock
options,  such determination shall be subject to any requirements
contained  in  the Code.  Nothing in the Plan or  in  any  option
granted  pursuant to the Plan shall confer on any individual  any
right  to  continue  in  the  employ  or  other  service  of  the
Corporation or any other person or interfere in any way with  the
right  of  the  Corporation or any other person to terminate  his
employment or other services at any time.
     
   (e)  The date of grant of an option pursuant to the Plan shall
be the date specified by the Committee at the time it grants such
option, provided that such date shall not be prior to the date of
such  action  by  the  Committee and  that  the  price  shall  be
determined  in  accordance with Section 6(a) on such  date.   The
Committee  shall  promptly notify a grantee of  an  award  and  a
written  option  grant  shall  promptly  be  duly  executed   and
delivered by or on behalf of the Corporation.
     
   (f)   The  Committee  shall  be authorized,  in  its  absolute
discretion,  to  permit  option holders to surrender  outstanding
options  in  exchange for the grant of new options or to  require
option  holders to surrender outstanding options as  a  condition
precedent  to  the  grant of new options.  The number  of  shares
covered  by  the  new options, the option price (subject  to  the
provisions  of Section 6(a)), the option period and  other  terms
and  conditions  of the new options shall all  be  determined  in
accordance with the Plan and may be different from the provisions
of the surrendered options.

   (g)   In  the  event  an optionee is granted  Incentive  Stock
Options  that in the aggregate entitle the optionee to  purchase,
in  the first year such options become exercisable (whether under
their  original  terms  or as a result of the  occurrence  of  an
Acceleration  Event,  as  defined below),  Common  Stock  of  the
Corporation,  any  parent corporation or any  subsidiary  of  the
Corporation having a Fair Market Value (determined as of the time
such options are granted) in excess of $100,000, such portion  in
excess  of   $100,000  shall be treated as a  Nonqualified  Stock
Option.   Such limitation shall not apply if the Internal Revenue
Service   publicly  rules,  issues  a  private  ruling   to   the
Corporation,  any  optionee of the Corporation  or  any  legatee,
personal  representative or distributee of an optionee or  states
in proposed, temporary or final regulations that provisions which
allow  the full exercise of an optionee's Incentive Stock Options
upon  the  occurrence of the relevant Acceleration Event  do  not
violate  Section  422(d)  of the Code.  An  "Acceleration  Event"
means  (i) a determination of the Committee to allow an  optionee
to   exercise  his  options  in  full  upon  termination  of  his
employment or other service as provided in Section 6(c)  or  (d),
(ii)  the  death  of  an optionee while he  is  employed  by  the
Corporation or a subsidiary, (iii) any Change of Control, or (iv)
the  optionee's termination of employment or other service  under
circumstances  that  will  allow  him  to  exercise  options  not
otherwise exercisable pursuant to Section 6(j).
     
   (h)   Notwithstanding any contrary waiting period, installment
period or other limitation or restriction in any option agreement
or  in the Plan, in the event of a Change of Control, each option
outstanding under the Plan shall thereupon become exercisable  at
any  time during the remaining term of the option, but not  after
the  term  of the option, to the extent of the number  of  shares
covered  by  the  option, whether 

                                7
<PAGE>

or not such shares  had  become purchasable  by  the Participant 
thereunder immediately prior to such Change of Control, subject, 
however, to  the  limitations described in Section 6(g), by  the 
holder of the option.
     
   (i)   Anything  in  the Plan to the contrary  notwithstanding,
during  the 90-day period from and after a Change of Control  (x)
an  optionee  (other than an optionee who initiated a  Change  of
Control  in a capacity other than as an officer or a Director  of
the  Corporation)  who  is  an  officer  or  a  Director  of  the
Corporation (within the meaning of Section 16 of the Exchange Act
and  the  rules  and  regulations  promulgated  thereunder)  with
respect  to an option that was granted at least six months  prior
to  the  date  of  exercise  pursuant to  this  sentence  and  is
unaccompanied  by a stock appreciation right and  (y)  any  other
optionee who is not an officer or a Director with respect  to  an
option that is unaccompanied by a stock appreciation right shall,
unless  the  Committee shall determine otherwise at the  time  of
grant,  have  the  right,  in lieu of the  payment  of  the  full
purchase  price  of  the shares of Common Stock  being  purchased
under the option and by giving written notice to the Corporation,
to  elect (within such 90-day period) to surrender all or part of
the  option to the Corporation and to receive in cash  an  amount
equal  to  the amount by which the amount determined pursuant  to
Section 7(d) hereof on the date of exercise (determined as if the
optionee had exercised a limited stock appreciation right on such
date)  shall exceed the purchase price per share under the option
multiplied by the number of shares of Common Stock granted  under
the  stock option as to which the right granted by this  sentence
shall have been exercised.  Such written notice shall specify the
optionee's  election to purchase shares granted under the  option
or  to  receive  the cash payment referred to in the  immediately
preceding sentence.
     
   (j)   Notwithstanding the foregoing provisions, the optionee's
employment  or  other contract with the Corporation  may  provide
that  upon  termination of his employment or other  services  for
other  than  cause  or  for  "good reason"  (as  defined  in  his
contract),   all   stock   options   shall   become   immediately
exercisable.
     
7.   Stock Appreciation Rights

   (a)   Stock  appreciation rights may be paid upon exercise  in
cash,  Common Stock or any combination thereof, as the  Committee
in its sole discretion may determine.  A stock appreciation right
is  an  incentive award that permits the holder to  receive  (per
share covered thereby) an amount equal to the amount by which the
Fair  Market  Value of a share of Common Stock  on  the  date  of
exercise exceeds the Fair Market Value of such share on the  date
the stock appreciation right was granted.
     
   (b)   The  Committee  may  grant a  stock  appreciation  right
separately or in tandem with a related option and may grant  both
"general"  and  "limited" stock appreciation rights.   A  general
stock  appreciation right granted in tandem with a related option
will  generally have the same terms and provisions as the related
option with respect to exercisability, and the base price of such
a  stock appreciation right will generally be equal to the option
price  under the related option.  Upon the exercise of  a  tandem
stock appreciation right, the related option will be deemed to be
exercised for all purposes of the Plan and vice versa.
     
   (c)  A general stock appreciation right granted separately and
not  in  tandem  with  any option will have  such  terms  as  the
Committee  may determine.  The base price of a stand-alone  stock
appreciation right may not be less than the Fair Market Value  of
the Common Stock, determined as in Section 6(a) in the case of  a
Nonqualified  Stock  Option;  the term  of  a  stand-alone  stock
appreciation right may not be greater than 10 years from the date
it was granted.
     
   (d)   A limited stock appreciation right may be exercised only
during the 90 calendar days immediately following the date  of  a
Change  in  Control.  For the purpose of determining  the  amount
payable upon exercise of a limited stock appreciation right,  the
fair market value of the Common Stock will be equal to the higher
of  (x)  the highest Fair Market Value of the Common Stock during
the 90-day  

                               8
<PAGE>

period  ending  on  the  date  the  limited   stock  appreciation  
right  is  exercised  and  (y)  whichever  of   the following is 
applicable:
     
      (i)   the  highest per share price paid in  any  tender  or
exchange  offer  which is in effect at any  time  during  the  90
calendar days preceding the exercise of the limited right;
          
      (ii)  the  fixed  or formula price for the  acquisition  of
shares  of Common Stock in a merger or similar agreement approved
by  the  Corporation's stockholders or Board, if  such  price  is
determinable on the date of exercise; and
          
     (iii) the highest price per share paid to any stockholder of
the  Corporation in a transaction or group of transactions giving
rise  to  the exercisability of the limited right.  In no  event,
however,  may  the  holder of a limited stock appreciation  right
granted  in tandem with a related Incentive Stock Option  receive
an  amount in excess of the maximum amount which will enable  the
option  to  continue  to  qualify as an  Incentive  Stock  Option
without the consent of the Participant.
          
      (e)  Limited stock appreciation rights are payable only  in
cash.   General stand-alone stock appreciation rights are payable
only in cash, unless the Committee provides otherwise at the time
of  grant.   General stock appreciation rights granted in  tandem
with  a  related option are payable in cash, Common Stock or  any
combination thereof, as determined in the sole discretion of  the
Committee.   Notwithstanding the foregoing,  and  to  the  extent
required  by  Rule 16b-3 promulgated under Section 16(b)  of  the
Exchange  Act,  a  payment, in whole or in  part,  of  cash  upon
exercise of a stock appreciation fight may be made to an optionee
who  is  an  officer or director of the Corporation  (within  the
meaning  of  Section 16 of the Exchange Act  and  the  rules  and
regulations  promulgated thereunder) only if (i)  the  fight  was
granted at least six months prior to the date of exercise (except
that  in  the  event of the death or disability of  the  optionee
prior  to  the expiration of the sixmonth period, this limitation
shall not apply) and (ii) the optionee's election to receive cash
in settlement of the fight and the exercise of the right are made
(a)  during  the  period  beginning on  the  third  business  day
following the date of release for publication of the quarterly or
annual   summary  statements  of  sales  and  earnings   of   the
Corporation and ending on the twelfth business day following such
date,  (b)  six  months prior to the date the stock  appreciation
right  becomes taxable or (c) during the 90-day period  from  and
after a Change of Control.
     
      (f)  Unless otherwise provided by the Committee at the time
of grant, the provisions of Section 6 relating to the termination
of  the service of a holder of an option shall apply equally,  to
the  extent  applicable, to the holder of  a  stock  appreciation
right.
     
8.   Restricted Stock Awards

   (a)  The consideration to be received for shares of Restricted
Stock  issued hereunder out of authorized but unissued shares  or
out  of treasury shares shall be equal to cash in an amount equal
to  the  par value thereof and past services for the Corporation.
The  recipient  of  Restricted  Stock  shall  be  recorded  as  a
stockholder of the Corporation, at which time the Corporation, at
its  discretion, may either issue a Restricted Stock  Certificate
or  make a book entry credit in the Corporation's stock ledger to
evidence  the award of such Restricted Stock, and the Participant
shall have, subject to the provisions hereof, all the rights of a
stockholder with respect to such shares and receive all dividends
or  other distributions made or paid with respect to such shares;
provided, that the shares themselves, and any new, additional  or
different  shares  or  securities  which  the  recipient  may  be
entitled  to receive with respect to such shares by virtue  of  a
stock  split  or  stock  dividend or  any  other  change  in  the
corporate  or  capital  structure of the  Corporation,  shall  be
subject to the restrictions hereinafter described.

   (b)  During a period of years following the date of grant,  as
determined by the Committee, which shall in no event be less than
one  year (the "Restricted Period"), the Restricted Stock or  any
rights  thereto may not be sold, assigned, transferred,  pledged,
hypothecated  or  otherwise encumbered  or  disposed  of  

                            9
<PAGE>

by  the recipient,  except in the event of death or the  transfer  
thereof to  the  Corporation  under  the  provisions of  the next  
succeeding paragraph.  In the event of the death or normal Retirement 
of the recipient  during the Restricted Period, such restrictions  
shall immediately lapse, and the recipient or, in the case of the
recipient's death, his Designated Beneficiary, the legatee  under
his last will or his personal representative or distributee shall
be  free  to  transfer,  encumber or  otherwise  dispose  of  the
Restricted  Stock.  In the event of the early Retirement  of  the
recipient  during the Restricted Period, such restrictions  shall
continue  until they lapse in accordance with the  terms  of  the
grant.
     
   Except as provided in Section 8(c), in the event that,  during
the  Restricted  Period,  the service of  the  recipient  by  the
Corporation  or  one  of its subsidiaries is terminated  for  any
reason  (including  termination with  or  without  cause  by  the
Corporation  or such subsidiary or resignation by the recipient),
other  than termination of service due to the Retirement or death
of the recipient, then the shares of Restricted Stock held by him
shall  be  forfeited to the Corporation and the  recipient  shall
immediately   transfer  and  return  to   the   Corporation   the
certificates,  if  any have been issued to him, representing  all
the  Restricted Stock and the recipient's rights as a stockholder
with  respect to the Restricted Stock shall cease, effective with
such termination of service.  Notwithstanding the foregoing,  the
recipient's  service  contract with the Corporation  may  provide
that upon termination of his service for other than cause or  for
good  reason, all Restricted Stock shall cease to be  subject  to
such restrictions.
     
  A recipient's rights to Restricted Stock may not be assigned or
transferred  except upon death by will, descent or  distribution.
In  the  event of any attempt by the recipient to sell, exchange,
transfer,  pledge  or otherwise dispose of shares  of  Restricted
Stock in violation of the provisions hereof, such shares shall be
forfeited to the Corporation.
     
   (c)   Notwithstanding the Restricted Period contained  in  the
grant  of  Restricted Stock, in the event of a Change of  Control
(as  defined  in  Section  1),  all  restrictions  on  shares  of
Restricted  Stock  shall immediately lapse  and  such  Restricted
Shares shall become immediately transferable and nonforfeitable.
     
   (d)  Notwithstanding anything contained in  the  Plan  to  the
contrary, the Committee may determine, in its sole discretion, in
the  case  of any termination of a recipient's service, that  the
restrictions  on  some or all of the shares of  Restricted  Stock
awarded   to  a  recipient  shall  immediately  lapse  and   such
Restricted  Shares  shall  become  immediately  transferable  and
nonforfeitable.
     
9.   Stock Grant Awards

  (a)  Each nonofficer employee of the Corporation is eligible to
receive  a grant of Common Stock as a stock bonus (i) at the  end
of  each fiscal year or (ii) if the employee terminates prior  to
year-end, at the time of termination.  The number of shares to be
granted  shall  be  determined by setting  a  percentage  of  the
employee's  salary at the fiscal year-end or time of  termination
and  dividing  that amount by the price per share of  the  Common
Stock  or  by any other method determined by the Committee.   For
this  purpose, the price for the Common Stock shall be  the  Fair
Market  Value  on the date of grant and each grant shall  be  for
full  shares  only;  any fractional shares  resulting  from  this
calculation  shall  be  disregarded.   The  consideration  to  be
received  for  shares of Common Stock issued under  this  Section
9(a)  shall  be cash in an amount equal to the par value  thereof
and past services for the Corporation.
     
  (b)  In addition, each recipient of a stock grant under Section
9(a)  may  be  granted a cash award at the time  the  shares  are
issued   in  an  amount  sufficient  to  offset  the  recipient's
estimated tax liabilities arising from the issuance of the Common
Stock under Section 9(a).
     
   (c)   Determinations regarding eligibility  for  grants  under
Section  9 (a), the amount of individual grants of Common  Stock,
the  amount  of  the  cash offset award,  the  interpretation  of
Section 9 and all other matters relating to the administration of
Section 9 are within the sole discretion of the Committee.
     
                                   10
<PAGE>
10.  Performance Unit Awards

  (a)  Performance units which are awarded to a Participant shall
have a "unit base value," expressed in dollars, determined by the
Committee  on the day on which the award is granted and generally
determined  to  be the Fair Market Value of the Common  Stock  on
such  day.  The performance units will also have a Payment  Value
at  the  end  of the applicable Award Cycle contingent  upon  the
performance  of  the  Corporation and/or  of  such  Participant's
subsidiary, division or department during the Award  Cycle.   The
performance  measures may include, but shall not be  limited  to,
cumulative growth in earnings per share or pretax profits, return
on stockholders' equity, asset management, cash flow or return on
capital  employed.  Such measures may be applied on  an  absolute
basis or relative to industry indices and shall be defined  in  a
manner  which  the  Committee shall deem appropriate.   For  each
performance  unit  awarded,  the Committee  shall  determine  the
length  of the Award Cycle, which shall be a period of  not  less
than  three fiscal years, and shall establish a Payment  Schedule
based   upon  the  performance  measures  determined   for   such
performance unit and the length of the Award Cycle, setting forth
a  range  of  Payment Values corresponding to performance  levels
targeted  for  the  Corporation or such subsidiary,  division  or
department.  If during the course of an Award Cycle there  should
occur,  in  the opinion of the Committee, significant changes  in
economic  conditions or in the nature of the  operations  of  the
Corporation  or  a subsidiary, division or department  which  the
Committee   did  not  foresee  in  establishing  the  performance
measures for such Award Cycle and which, in the Committee's  sole
judgment  have, or are expected to have, a substantial effect  on
the   performance  of  the  Corporation  or  of  a  Participant's
subsidiary, division or department during such Award  Cycle,  the
Committee   may  revise  the  Payment  Schedule  and  performance
measures  formerly  determined  by  it  in  such  manner  as  the
Committee, in its sole judgment, may deem appropriate  except  as
otherwise provided in Section 10(1).
     
   (b)   In  determining the number of performance  units  to  be
awarded,  the  Committee  shall  take  into  account  a  person's
responsibility  level, performance, potential, cash  compensation
level and such other considerations as it deems appropriate.
     
  (c)  Except as otherwise provided in Section 10(l), an award of
performance  units  to  a  Participant shall  terminate  for  all
purposes  if  the services of the Participant for the Corporation
or  one of its subsidiaries ceases during the Award Cycle, except
in  the  case  of  death,  disability  or  retirement  under  the
Corporation's  pension plan (including early  retirement  at  the
request of the Corporation), in which case (and provided that the
Participant  at  the time of death, disability or  retirement  as
aforesaid   shall  have  maintained  his  employment   or   other
qualifying  relationship  with the  Corporation  or  one  of  its
subsidiaries  continuously during the period  commencing  on  the
date  the  award was granted and ending on the first  anniversary
thereof)  the  Participant  will be  entitled  to  payment  (such
payment  to be made in accordance with the provisions of  Section
10(d)) of the same portion of the Payment Value of the award  the
Participant  would otherwise have been paid (such Payment  Value,
if  any,  to  be  determined at the conclusion of the  applicable
Award  Cycle in accordance with the provisions of Sections  10(a)
and  10(e)  unless otherwise provided in Section  10(l))  as  the
portion   of   the  Award  Cycle  during  which  the  Participant
maintained  such relationship with the Corporation bears  to  the
full  Award Cycle.  Under particular circumstances, the Committee
may  make other determinations with respect to Participants whose
services  do  not meet the foregoing requirements, including  the
waiver of any of the requirements of this subsection (c) relating
to periods of continuous service.
     
   (d)  Except as otherwise provided in Section 10(l), unless the
Committee  otherwise  determines,  no  payment  with  respect  to
performance units will be made to a Participant prior to the  end
of  such Participant's Award Cycle; provided, however, that if  a
Participant should die during an Award Cycle and his award  shall
not  have  been  terminated hereunder prior to  his  death,  such
Participant's  Designated  Beneficiary,  the  legatee  under  the
Participant's  last  will,  his personal  representative  or  his
distributee  may  elect instead, subject to the approval  of  the
Committee,  to  have  the pro rata portion of  the  Participant's
Payment  Value determined by the Committee as of the end  of  the
year  during which such Participant's death occurred, based  upon
application  of  the Payment Schedule to the part  of  the  Award
Cycle which 

                              11
<PAGE>

shall have elapsed (for such purpose, the cumulative growth rate 
or improvement achieved in the  applicable  performance measures 
to  the  end of  the fiscal year  in which  death occurs will be  
assumed to  continue  for the Award Cycle), in  which event such
pro  rata  portion  shall be paid in cash  or  Common  Stock,  as
provided in Section 10(g), as soon as practicable following  such
year  (or  in  such  number of installments as  shall  have  been
requested  by  the Participant and approved by the Committee)  to
such    Participant's    Designated    Beneficiary    or    legal
representative.

   (e)  Except as otherwise provided in Section 10(d) in the case
of death, or in Section 10(l) in the case of a Change in Control,
a  Participant's interest in any performance units awarded to him
shall  mature on the last day of the Award Cycle for such  award.
The  Payment  Value  of a performance unit shall  be  the  dollar
amount calculated on the basis of the Payment Schedule applicable
to such Award Cycle.
     
  (f)  The total amount of Payment Value due a Participant at the
conclusion of an Award Cycle shall be paid on such date following
the  conclusion  of  such  Award Cycle  as  the  Committee  shall
designate, except as specifically otherwise provided in the Plan;
provided, however, that the Committee shall have authority, if it
deems appropriate, to defer payment (in cash or in stock or  both
in  specified percentages) of the Payment Value due a Participant
if  the  Participant shall request the Committee to do so at  any
time  prior  to the last year of the Award Cycle for such  award.
In  respect of awards made or to be made in one or more  deferred
installments in cash, interest shall be credited semiannually  on
each  such award at a rate to be determined semiannually  by  the
Committee,  but  in no event shall such rate  be  less  than  the
average rate on 10-year AAA new industrial corporate bonds during
each  such  semiannual period as calculated on the basis  of  the
average  of  such rates for each calendar week ending during  the
period January 1 through June 30 and July 1 through December  31;
provided that awards made during any such six-month period  shall
be credited on the basis of the average rate for that period; and
provided  further  that installments paid  during  any  six-month
period  shall  be  credited with interest on  the  basis  of  the
average  rate  for the next preceding six-month period,  in  each
case  adjusted  for  the number of days  such  award  was  to  be
credited.  Unless paid to the recipient of such award at the time
credited, interest at the foregoing rate shall be credited on the
interest  so  credited  until  so paid.   The  foregoing  minimum
interest  rate  for  any award that is payable  in  one  or  more
deferred installments under the Plan may not be modified  without
the prior written consent of the Participant.
     
   Whenever an award is made in one or more deferred installments
in  Common Stock, the Committee may determine that there shall be
credited  on  such  award an amount equivalent to  the  dividends
which  would have been paid with respect to such shares of Common
Stock  if  they  had been issued and outstanding.  Such  dividend
equivalents shall be credited on the dividend record dates  until
certificates  for  such shares shall have been delivered  to  the
recipient  of  such  award  or until such  earlier  date  as  the
Committee may determine.
     
   Such  interest and dividend equivalents shall be paid  to  the
recipient  of  any  such award in cash (or  in  property  if  the
related  dividend shall have been in property) at  such  time  or
times  during the deferred period of such award or  at  the  same
time as the cash or shares of Common Stock to which such interest
and  dividend  equivalents  apply, all  as  the  Committee  shall
determine.   The  Committee  may also  determine  that  any  such
dividend equivalents may be used to purchase additional shares of
outstanding  Common  Stock (such shares to  be  valued  for  such
purpose at Fair Market Value on the dividend record date)  to  be
added  to  the shares of Common Stock covered by such  award  and
held   subject  to  the  same  terms  and  conditions,  including
provisions  relating  to  the payment of  amounts  equivalent  to
dividends thereon.
     
  (g)  Except as otherwise provided in Section 10(l), the
Committee in its discretion may determine at the time of grant or
at the end of the Award Cycle as to each Participant whether the
payment of the Payment Value due a Participant shall be made (i)
in cash, (ii) in shares of Common Stock (valued at the average
Fair Market Value of the Common Stock for the five trading days
immediately preceding the date of payment), or (iii) in a
combination of cash and shares of Common Stock so valued.

                           12
<PAGE>

   (h)  If the payment of any award shall be deferred until after
the   termination  of  the  services  of  the  recipient  by  the
Corporation or one of its subsidiaries, the cash or Common  Stock
covered  by  such award, together with any deferred  interest  or
dividend equivalents thereon, shall be delivered in not more than
20  annual installments, commencing not later than the January 31
after  such  termination of services (or such other date  as  the
Committee  from  time  to  time  shall  determine),  all  as  the
Committee  may determine.  If the payment of an award  under  the
Plan  is deferred, such payment thereafter may be accelerated  so
that  such  payment shall be made immediately or at such  earlier
time or in such less number of installments, in each case as  the
Committee  may  from time to time determine, but  only  with  the
prior written consent of the Participant.

   (i)   A Participant to whom any award has been made shall  not
have  any  interest  beyond that of a  general  creditor  of  the
Corporation  in  the  cash or Common Stock  awarded,  or  in  any
interest  or dividend equivalents credited to him until the  cash
has  been  paid to him or the certificates for the  Common  Stock
have  been  delivered to him, as the case may be,  in  accordance
with the provisions of the Plan.
     
   (j)   In  the case of the death of the recipient of an  award,
before  or  after  the  termination of his services,  any  unpaid
installments of such deferred award shall pass to the  Designated
Beneficiary, the legatee under the Participant's last  will,  his
personal  representative or his distributee.  Unpaid installments
of a deferred award shall be paid either in the same installments
as   originally  provided  or  otherwise  as  the  Committee  may
determine in individual cases.
     
  (k)  Subject to the provisions of Section 10(l), in any case in
which  payment  of  an award is to be made in Common  Stock,  the
Corporation  shall  have  the right, in lieu  of  delivering  the
certificate  or  certificates for any or all of the  stock  which
would otherwise be deliverable to the Participant pursuant to the
Plan,  to  pay  to  such Participant on the date  on  which  such
certificate  or  certificates would otherwise be  deliverable  an
amount  in  cash  equal to the Fair Market Value of  such  Common
Stock  on  such  date  or  dates as  may  be  determined  by  the
Committee,  but  not more than five trading days  prior  to  such
date, all as the Committee may determine in individual cases.
     
   (l)   Anything herein to the contrary notwithstanding, in  the
event  of  a  Change of Control, with respect  to  any  unmatured
performance  unit  awards  which a Participant  held  immediately
prior to such Change of Control, the Participant will be entitled
to  immediate payment in cash (unless payment of such performance
unit  awards shall be deferred in accordance with Section  10(f),
in  which event the amount provided to be payable by this Section
10(l)  shall also be so deferred) in an amount equal to the value
of  such units determined in accordance with the Payment Schedule
applicable  to such awards, based on the cumulative, growth  rate
in   the  Corporation's  reported  earnings  per  share  for  all
previously  elapsed fiscal years, if any, included in  the  Award
Cycles  for  such  awards and the actual or  presumed  cumulative
growth  rate  in the earnings per share for the balance  of  each
Award Cycle, determined as follows: (i) if such Change of Control
occurs  prior to the completion of the first fiscal  year  of  an
Award  Cycle, the cumulative growth rate to be utilized  for  the
balance of the Award Cycle shall be the cumulative growth rate in
the  Corporation's  earnings per share in the four  fiscal  years
preceding  the  first  year and (ii) if such  Change  of  Control
occurs  during any subsequent fiscal year of an Award Cycle,  the
cumulative  growth  rate to be utilized for the  balance  of  the
Award  Cycle shall be the cumulative growth rate of the preceding
fiscal  year(s) in that Award Cycle prior to the fiscal  year  in
which  occurs  the  Change  of Control.   In  the  event  that  a
performance  measure other than earnings per share  is  employed,
similar  adjustments shall be made for such holders of  unmatured
performance units.  The Committee may in its discretion determine
that  such historical financial data are not appropriate  or  not
available  and may use the latest budgets, projections, forecasts
or   plans   for  the  Corporation  or  its  business  units   or
subsidiaries.   Except  as expressly set forth  in  this  Section
10(l),  upon the occurrence of a Change of Control, no  change(s)
shall  be  made in the terms of any performance unit  (including,
without  limitation,  its  unit  base  value,  Payment  Value  or
performance criteria) or in the underlying accounting assumptions
or   practices  for  purposes  of  determining  the  amount   due
thereunder,  which  change(s)  would  lessen  the  value  of  any
performance unit to the holder thereof.

                               13
     
11.  Withholding Taxes

   In connection with the transfer of shares of Common Stock as a
result  of the exercise of a Nonqualified Stock Option  or  stock
appreciation right, the payment of performance units or the award
of  Restricted Stock or stock grants, the Corporation  (a)  shall
not  issue  a  certificate for such shares until it has  received
payment from the Participant of any Withholding Tax in cash or by
the   retention  or  acceptance  upon  delivery  thereof  by  the
Participant  of shares of Common Stock sufficient in Fair  Market
Value  to cover the amount of such Withholding Tax and (b)  shall
have  the  right to retain or sell without notice, or  to  demand
surrender of, shares of Common Stock in value sufficient to cover
any  Withholding Tax.  The Corporation shall have  the  right  to
withhold  from any cash amounts due from the Corporation  to  the
award  recipient  pursuant to the Plan an  amount  equal  to  the
Withholding  Tax.   In  either case, the Corporation  shall  make
payment (or reimburse itself for payment made) to the appropriate
taxing authority of an amount in cash equal to the amount of such
Withholding  Tax, remitting any balance to the Participant.   For
purposes of this Section 11, the value of shares of Common  Stock
so  retained  or  surrendered shall be equal to the  Fair  Market
Value  of  such  shares  on  the date  that  the  amount  of  the
Withholding  Tax  is to be determined (the "Tax Date"),  and  the
value  of shares of Common Stock so sold shall be the actual  net
sale price per share (after deduction of commissions) received by
the Corporation.

   Notwithstanding  the  foregoing, the  Participant  may  elect,
subject  to  approval by the Committee, to satisfy the obligation
to pay any Withholding Tax, in whole or in part, by providing the
Corporation  with funds sufficient to enable the  Corporation  to
pay  such Withholding Tax or by having the Corporation retain  or
accept  upon delivery thereof by the Participant shares of Common
Stock sufficient in Fair Market Value to cover the amount of such
Withholding  Tax.  Each election by a Participant to have  shares
retained  or to deliver shares for this purpose shall be  subject
to  the  following  restrictions: (i) the  election  must  be  in
writing  and  made on or prior to the Tax Date and  (ii)  if  the
Participant  is  subject to Section 16 of the  Exchange  Act,  an
election  to have shares retained to satisfy the Withholding  Tax
must be an irrevocable election made at least six months prior to
the  Tax  Date or the withholding election must become  effective
during the ten-businessday period beginning on the third business
day  following  the  date on which the Corporation  releases  for
publication its annual or quarterly summary statements  of  sales
and earnings and ending on the twelfth business day following the
date of release thereof.
     
12.  Transferability  and  Ownership  Rights  of  Options,  Stock
     Appreciation Rights and Performance Units

   No  option  or stock appreciation fight granted or performance
unit  awarded under the Plan shall be transferable otherwise than
pursuant  to  the designation of a Designated Beneficiary  or  by
will,   descent   or  distribution,  and  an  option   or   stock
appreciation fight may be exercised, during the lifetime  of  the
holder  thereof,  only by him.  The holder of  an  option,  stock
appreciation right or performance unit award shall have  none  of
the  rights of a stockholder until the shares subject thereto  or
awarded  thereby shall have been registered in the name  of  such
holder on the transfer books of the Corporation.

13.  Holding Periods

   (a)   If  a director or officer subject to Section 16  of  the
Exchange  Act  sells  shares of Common Stock  obtained  upon  the
exercise  of a stock option within six months after the date  the
option  was  granted, the option grant will no longer  be  exempt
from  Section 16(b) and will retroactively be deemed a  nonexempt
purchase as of the date of the option grant.
     
   (b)   In  order  to  obtain certain tax benefits  afforded  to
incentive  stock  options  under Section  422  of  the  Code,  an
optionee  must  hold the shares issued upon the  exercise  of  an
incentive stock option for two years after the date of  grant  of
the  option and one year from the date of exercise.  An  optionee
may  be  subject to the alternative minimum tax at  the  time  of
exercise of an incentive stock option.  

                               14
<PAGE>

The Committee may require an  optionee  to  give  the Corporation  
prompt  notice  of  any disposition in advance of the required 
holding period  of  shares of  Common  Stock  acquired by exercise  
of  an  incentive  stock option.  Tax advice should be obtained 
when exercising any option and  prior  to  the  disposition of the 
shares  issued  upon  the exercise of any option.
     
14.  Section 16(b) Compliance and Bifurcation of Plan

   It  is  the intention of the Corporation that, if any  of  the
Corporation's  equity  securities  are  registered  pursuant   to
Section 12(b) or 12(g) of the Exchange Act, the Plan shall comply
in  all  respects with Rule 16b-3 under the Exchange Act and,  if
any  Plan  provision is later found not to be in compliance  with
such Section, the provision shall be deemed null and void, and in
all  events  the Plan shall be construed in favor of its  meeting
the  requirements of Rule 16b-3.  Notwithstanding anything in the
Plan to the contrary, the Board, in its absolute discretion,  may
bifurcate the Plan so as to restrict, limit or condition the  use
of any provision of the Plan to participants who are officers and
directors  subject to Section 16 of the Exchange Act  without  so
restricting,  limiting or conditioning the Plan with  respect  to
other participants.

15.  Adjustments Upon Changes in Capitalization

  Except as otherwise provided in Section 6(h) and Section 10(l),
in  the  event  of any changes in the outstanding  stock  of  the
Corporation   by  reason  of  stock  dividends,   stock   splits,
recapitalizations,  mergers,  consolidations,   combinations   or
exchanges    of   shares,   split-ups,   split-offs,   spin-offs,
liquidations or other similar changes in capitalization,  or  any
distribution  to  stockholders other  than  cash  dividends,  the
Committee  shall make such adjustments, if any, in light  of  the
change  or  distribution as the Committee in its sole  discretion
shall determine to be appropriate, (i) in the number and class of
shares or rights subject to options and stock appreciation rights
and  the  exercise  prices of the options and stock  appreciation
rights  covered thereby, (ii) in the number of shares  of  Common
Stock  covered by a performance unit award for which certificates
have  not  been  delivered,  any dividend  equivalents  to  which
deferred awards of Common Stock are entitled, and the performance
measures  established by the Committee under Section  10(a),  and
(iii) in the Maximum Annual Employee Grant.  In the event of  any
such  change  in the outstanding Common Stock of the Corporation,
the aggregate number and class of shares available under the Plan
and  the  maximum  number of shares as to which  options  may  be
granted  and  stock  appreciation  rights  or  performance  units
awarded  and  the  maximum number of shares of  Restricted  Stock
which  may  be  awarded shall be appropriately  adjusted  by  the
Committee.

16.  Amendment and Termination

   Unless  the  Plan  shall theretofore have been  terminated  as
hereinafter provided, the Plan shall terminate on, and no  awards
of  performance units, stock appreciation rights,  or  Restricted
Stock  or  options shall be made after, June 26, 2002;  provided,
however, that such termination shall have no effect on awards  of
performance units, stock appreciation rights, Restricted Stock or
options made prior thereto.  The Plan may be terminated, modified
or  amended by the stockholders of the Corporation.  The Board of
Directors  of  the Corporation may also terminate  the  Plan,  or
modify  or  amend  the Plan in such respects  as  it  shall  deem
advisable  in  order  to conform to any  change  in  any  law  or
regulation applicable thereto, or in other respects; however,  to
the  extent required by applicable law or regulation, stockholder
approval  will  be  required for any  amendment  which  will  (a)
materially  increase  the total number  of  shares  as  to  which
options  may  be  granted or which may  be  used  in  payment  of
performance unit awards or stock appreciation right awards  under
the  Plan  or  which  may  be  issued as  Restricted  Stock,  (b)
materially change the class of persons eligible to receive awards
of  performance  units or Restricted Stock and  grants  of  stock
appreciation  rights  or  options, (c)  materially  increase  the
benefits  accruing  to  participants  under  the  Plan,  or   (d)
otherwise  require stockholder approval under any applicable  law
or  regulation.  The amendment or termination of the  Plan  shall
not, without the consent of the recipient of any award under  the
Plan,  alter or impair any rights or obligations under any  award
theretofore granted under the Plan.

                              15
<PAGE>

17.  Effectiveness of the Plan

   The  Plan  shall  become effective  on  June  26,  1992.   The
Committee  may  in  its  discretion  authorize  the  awarding  of
performance  units  and  Restricted Stock  and  the  granting  of
options and stock appreciation rights, the payments, issuance  or
exercise  of which, respectively, shall be expressly  subject  to
the  conditions that (a) the shares of Common Stock reserved  for
issuance  under  the  Plan  shall have  been  duly  listed,  upon
official  notice  of issuance, upon each stock  exchange  in  the
United  States upon which the Common Stock is traded  and  (b)  a
registration  statement  under the Securities  Act  of  1933,  as
amended, with respect to such shares shall have become effective.

                              16



                                                      Exhibit 10.3
                                                      May 8, 1996

             ADVANCED TECHNOLOGY LABORATORIES, INC.
                                
         AMENDED NONEMPLOYEE DIRECTORS STOCK OPTION PLAN
                                
                                
                       ARTICLE I  PURPOSES

     The  purposes of the Advanced Technology Laboratories,  Inc.
Stock  Option Plan for Nonemployee Directors (the "Plan") are  to
attract  and retain the services of experienced and knowledgeable
nonemployee  directors of Advanced Technology Laboratories,  Inc.
(the   "Corporation")  and  to  provide  an  incentive  for  such
directors  to  increase  their  proprietary  interests   in   the
Corporation's long-term success and progress.

             ARTICLE II  SHARES SUBJECT TO THE PLAN

     Subject  to adjustment in accordance with Article VI hereof,
the  total  number of shares of the Corporation's  common  stock,
$.0l  par value per share (the "Common Stock"), for which options
may  be  granted  under the Plan is 105,000 (the "Shares").   The
Shares  shall  be  shares presently authorized  but  unissued  or
subsequently acquired by the Corporation and shall include shares
representing the unexercised portion of any option granted  under
the  Plan which expires or terminates without being exercised  in
full.

             ARTICLE III  ADMINISTRATION OF THE PLAN

     The  administrator  of  the Plan (the "Plan  Administrator")
shall be the Board of Directors of the Corporation (the "Board").
Subject  to  the terms of the Plan, the Plan Administrator  shall
have  the  power  to  construe the provisions  of  the  Plan,  to
determine all questions arising thereunder and to adopt and amend
such rules and regulations for the administration of the Plan  as
it may deem desirable.  No member of the Plan Administrator shall
participate in any vote by the Plan Administrator on  any  matter
materially  affecting  the rights of any such  member  under  the
Plan.

              ARTICLE IV  PARTICIPATION IN THE PLAN

     Each  member of the Board elected or appointed  who  is  not
otherwise  an  employee  of  the Corporation  or  any  parent  or
subsidiary    corporation   (an   "Eligible   Director")    shall
automatically  receive the grant of an option to  purchase  5,000
Shares  on  the first day of July in each year that the  Eligible
Director serves.

                     ARTICLE V  OPTION TERMS

     Each  option granted to an Eligible Director under the  Plan
and  the  issuance of Shares thereunder shall be subject  to  the
following terms:

 1.    Option Agreement

     Each option granted under the Plan shall be evidenced by  an
option agreement (an "Agreement") duly executed  on behalf of the 
Corporation.  Each  Agreement  shall comply  with  and be subject 
to the terms and conditions of the Plan. Any Agreement may contain 
such other terms, provisions and conditions not inconsistent with 
the Plan as may be determined by the Plan Administrator.

2.    Option Exercise Price

      The  option exercise price for an option granted under  the
Plan shall be the fair market value of the Shares covered  by the 
option at the time the option is  granted.  For purposes  of  the 
Plan, "fair market value" shall be the average of the high and low 
sales prices at which the Common Stock was sold on such date as 
reported by the 

                            1
<PAGE>

NASDAQ National Market System on such date or, if no Common Stock 
was traded on such date, on the next preceding date on which Common 
Stock was so traded.

3.    Vesting and Exercisability

       An   option   shall   become  fully  vested   and   become
nonforfeitable on July 1 of the year following the year in  which
the option was granted if the optionee has continued to serve  as
a Director until such date.

4.    Time and Manner of Exercise of Option

     Each option may be exercised in whole or in part at any time
and from time to time; provided, however, that  no  fewer  than  
100 Shares (or the remaining  Shares  then purchasable  under the 
option, if less than 100 Shares) may be purchased upon any exercise 
of option rights hereunder and that only whole Shares will be issued 
pursuant to the exercise of any option.

     Any option may be exercised by giving written notice, signed
by  the  person exercising the option, to the Corporation stating
the  number of Shares with respect to which the option  is  being
exercised, accompanied by payment in full for such Shares,  which
payment  may  be in whole or in part (i) in cash or by  check  or
(ii)  in shares of Common Stock already owned for at least  three
(3)  months by the person exercising the option, valued  at  fair
market value at the time of such exercise.

5.    Term of Options

     Each option shall expire five (5) years from the date of the
     granting thereof, but shall be subject to earlier
termination as follows:

          (a)   In  the  event that an optionee ceases  to  be  a
     director  of the Corporation for any reason other  than  the
     death  of the optionee, the options granted to such optionee
     may  be  exercised by him or her only within  one  (1)  year
     after the date such optionee ceases to be a director of  the
     Corporation.

          (b)   In the event of the death of an optionee, whether
     during  the  optionee's service as a director or during  the
     one  (1)  year  period referred to in  Section  5  (a),  the
     options  granted to such optionee shall be exercisable,  and
     such  options shall expire unless exercised within  one  (1)
     year  after the date of the optionee's death, by  the  legal
     representatives  or  the estate of  such  optionee,  by  any
     person or persons whom the optionee shall have designated in
     writing   on  forms  prescribed  by  and  filed   with   the
     Corporation or, if no such designation has been made, by the
     person  or persons to whom the optionee's rights have passed
     by will or the laws of descent and distribution.

6.   Transferability

     During  an  optionee's lifetime, an option may be  exercised
only by the optionee.  Options granted under the Plan and the 
rights and privileges conferred thereby shall not be subject  to 
execution, attachment or similar process and may not be transferred, 
assigned, pledged or hypothecated in any manner (whether by operation 
of law or otherwise) other than by will or by the applicable laws 
of descent and distribution except that, to the extent  permitted  
by  applicable law and Rule 16b-3 promulgated under Section 16(b) 
of the Securities Exchange Act of 1934, as amended (the "Exchange 
Act"), the Plan Administrator may permit a recipient of an option 
to designate in writing during the optionee's lifetime a beneficiary 
to receive and exercise options  in  the  event of the optionee's 
death (as  provided  in Section   5(b)).  Any attempt  to transfer, 
assign, pledge, hypothecate or otherwise dispose of any option under 
the Plan or of any right or privilege conferred thereby, contrary  
to the provisions of the Plan, or the sale or levy or any attachment  
or similar  process upon the rights and privileges conferred hereby,
shall be null and void.

7.    Participant's or Successor's Rights as Stockholder

      Neither the recipient of an option under the Plan  nor  the
optionee's successor(s) in interest shall have

                               2
<PAGE>

any  rights  as a stockholder of the Corporation with respect  to
any Shares subject to an option granted to such person until such
person becomes a holder of record of such Shares.

8.    Limitation as to Directorship

     Neither the Plan nor the granting of an option nor any other
action taken pursuant to the Plan shall constitute or be evidence 
of any agreement  or  understanding, express on implied,  that an 
optionee has a right to continue as a director  for  any  period 
of time or at any particular rate of compensation.

9.    Regulatory Approval and Compliance

       The  Corporation  shall  not  be  required  to  issue  any
certificate or certificates for Shares upon the exercise
of  an  option granted under the Plan, or record as a  holder  of
record  of Shares the name of the individual exercising an option
under the Plan, without obtaining to the complete satisfaction of
the  Plan  Administrator the approval of  all  regulatory  bodies
deemed   necessary  by  the  Plan  Administrator,   and   without
complying,  to  the  Plan Administrator's complete  satisfaction,
with all rules and regulations under federal, state or local  law
deemed applicable by the Plan Administrator.

                 ARTICLE VI  CAPITAL ADJUSTMENTS

The aggregate number and class of Shares for which options may be
granted under the Plan, the number and class of Shares covered by
each automatic grant and each outstanding option and the exercise
price  per Share thereof (but not the total price) shall  all  be
proportionately adjusted for any stock dividends,  stock  splits,
recapitalizations, combinations or exchanges  of  shares,  split-
ups,   split-offs,   spinoffs,  or  other  similar   changes   in
capitalization.   Upon the effective date  of  a  dissolution  or
liquidation  of  the  Corporation with one or  more  corporations
which  results  in  more than eighty percent of  the  outstanding
voting  shares  of the Corporation being owned  by  one  or  more
affiliated  corporations or other affiliated entities,  or  of  a
transfer  of  all or substantially all the assets  or  more  than
eighty  percent of the then outstanding shares of the Corporation
to another corporation or other entity, this Plan and all options
granted  hereunder  shall  terminate.   In  the  event  of   such
dissolution,  liquidation, reorganization, merger, consolidation,
transfer  of assets or transfer of stock, each optionee shall  be
entitled, for a period of twenty days prior to the effective date
of  such transaction, to purchase the full number of shares under
his  or  her option which he or she is otherwise would have  been
entitled to purchase during the remaining term of such option.

           Adjustments under this Article IV shall be made by the
Plan  Administrator, whose determination shall be final.  In  the
event  of any adjustment in the number of Shares covered  by  any
option,  any  fractional Shares resulting  from  such  adjustment
shall  be  disregarded and each such option shall cover only  the
number of full Shares resulting from such adjustment.

                ARTICLE VII  EXPENSES OF THE PLAN

     All costs and expenses of the adoption and administration of
the Plan shall be borne by the Corporation; none of such expenses
shall be charged to any optionee.

      ARTICLE VIII  EFFECTIVE DATE AND DURATION OF THE PLAN

     The Plan shall be effective on May 5, 1993.  The Plan  shall
continue   in   effect  until  it  is  terminated  by  action  of
the   Board   or   the  Corporation's  stockholders,   but   such
termination  shall  not  affect  the  then-outstanding terms of 
any options.

        ARTICLE IX  TERMINATION AND AMENDMENT OF THE PLAN

     The  Board may amend, terminate or suspend the Plan  at  any
time,  in  its  sole and absolute discretion; provided,  however,
that if required to qualify the Plan under Rule 16b-3 promulgated
under Section 16(b) of the Exchange Act, no amendment may be made
more than once every six (6) months that would change the amount,
price,  timing or vesting of the options, other than  to  comport
with changes in the Internal Revenue Code of 1986, as 

                              3
<PAGE>

amended, or the rules and regulations promulgated thereunder; and 
provided, further, that if required to qualify the Plan under Rule  
16b-3, no amendment that would

           (a)  materially increase the number of Shares that may
                be issued under the Plan,

           (b)  materially   modify   the  requirements   as   to
                eligibility for participation in the Plan, or

           (c)  otherwise   materially  increase   the   benefits
                accruing to participants under the Plan shall  be  
                made  without the approval  of  the Corporation's 
                stockholders.

               ARTICLE X  COMPLIANCE WITH RULE 16b-3

     It  is the intention of the Corporation that the Plan comply
in  all respects with Rule 16b-3 promulgated under Section  16(b)
of   the   Exchange   Act  and  that  Plan  participants   remain
disinterested persons ("disinterested persons") for  purposes  of
administering other employee benefit plans of the Corporation and
having  such  other plans be exempt from Section 16  (b)  of  the
Exchange  Act.  Therefore, if any Plan provision is  later  found
not  to be in compliance with Rule 16b-3 or if any Plan provision
would  disqualify Plan participants from remaining  disinterested
persons, that provision shall be deemed null and void, and in all
events  the  Plan shall be construed in favor of its meeting  the
requirements of Rule 16b-3.

     Adopted  by the Corporation's Board of Directors on February
26,  1993  and  approved  by the Corporation's  Shareholders  and
effective  on  May  5,  1993.   Amended  and  approved   by   the
Corporation's  Directors and Shareholders effective  on  May  10,
1995 and May 8, 1996.





<PAGE>
 
                                                           Exhibit 10.2
 
                     ADVANCED TECHNOLOGY LABORATORIES, INC.

                   INCENTIVE SAVINGS AND STOCK OWNERSHIP PLAN






   
                              AMENDED AND RESTATED

                                   EFFECTIVE

                                JANUARY 1, 1995



Prepared for review by legal counsel.
<PAGE>
 
                        TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                           Page
                                                           ----
<S>  <C>      <C>                                           <C>
PREAMBLE....................................................  1
 
SECTION 1 -- DEFINITIONS....................................  2
 
     1.1      Account.......................................  2
     1.2      Affiliated Companies..........................  2
     1.3      After-Tax Contribution Account................  2
     1.4      Before-Tax Contribution Account...............  2
     1.5      Beneficiary...................................  3
     1.6      Board of Directors............................  3
     1.7      Code..........................................  3
     1.8      Committee.....................................  3
     1.9      Company.......................................  3
     1.10     Company Matching Contributions................  4
     1.11     Company Matching Contribution Account.........  4
     1.12     Company Stock.................................  4
     1.13     Compensation..................................  4
     1.14     Current Market Value..........................  4
     1.15     Disabled......................................  4
     1.16     Early Terminee................................  4
     1.17     Earnings......................................  5
     1.18     Effective Date................................  5
     1.19     Eligible Employee.............................  5
     1.20     Employee......................................  6
     1.21     Employment Commencement Date..................  6
     1.22     ERISA.........................................  6
     1.23     Highly Compensated Employee...................  6
     1.24     Hour of Service...............................  7
     1.25     Normal Retirement Date........................  8
     1.26     Participant...................................  8
     1.27     Participating Company.........................  8
     1.28     Period of Service.............................  8
     1.29     Period of Severance...........................  9
     1.30     Plan..........................................  9
     1.31     Plan Administrator............................  9
     1.32     Plan Year.....................................  9
     1.33     Rollover Account..............................  9
     1.34     Service.......................................  9
     1.35     Severance From Service Date................... 10
     1.36     Supplemental Company Contribution Account..... 10
     1.37     Temporary Termination......................... 10
     1.38     Terminated.................................... 10
     1.39     Trust or Trust Fund........................... 10
     1.40     Trustee....................................... 10
     
</TABLE>
<PAGE>
 
TABLE OF CONTENTS
(continued)
 
<TABLE>
<CAPTION>
                                                           Page
                                                           ----
<S>  <C>      <C>                                           <C>
     1.41     Valuation Date...............................  10
     1.42     Additional Definitions in Plan................ 11
 
SECTION 2 -- PARTICIPATION.................................. 12
 
     2.1      Participation................................. 12
     2.2      Reemployment After Termination................ 12
     2.3      Employees in a Bargaining Unit................ 12
 
SECTION 3 -- BEFORE-TAX CONTRIBUTIONS....................... 13
 
     3.1      Salary Deferral Agreement..................... 13
     3.2      Participant Modification of Salary Deferral
                Agreement................................... 13
     3.3      Procedure for Making and Revoking Salary
                Deferral Agreement.......................... 14
     3.4      Non-Discrimination Test For Deferrals (ADP
                Test)....................................... 14
 
SECTION 4 -- PLAN CONTRIBUTIONS............................. 16
 
     4.1      Participant and Company Contributions......... 16
     4.2      Time of Contribution.......................... 19
     4.3      Non-Discrimination Test for Company Matching
                Contributions and After-Tax Contributions
                (ACP Test).................................. 19
     4.4      Multiple Use of Alternative Limitations
                Under ADP and ACP Tests..................... 20
     4.5      Corrective Procedures to Satisfy
                Discrimination Tests........................ 21
     4.6      Return of Contributions....................... 21
     4.7      Recharacterization of Excess Before-Tax
                Contributions............................... 24
 
SECTION 5 -- ACCOUNT ADMINISTRATION......................... 25
 
     5.1      Types of Accounts............................. 25
     5.2      Investment Options............................ 25
     5.3      Allocation of Trust Fund Earnings and Losses
                to Participant Accounts..................... 27
     5.4      Valuation of the Trust Fund................... 28
     5.5      Account Statements............................ 28
 
SECTION 6 -- INVESTMENT OF CONTRIBUTIONS.................... 29
 
     6.1      Optional Funds................................ 29
     6.2      Selection of Investment Funds................. 29
     6.3      Investment in Loan Repayments................. 30
     6.4      Change in Investment of Future Contributions.. 30
     6.5      Changes in Investment of Existing Accounts.... 30
     6.6      Changes in Investment of Former Intespec, 
                Inc. Accounts............................... 31
     6.5      Investment of Company Contributions........... 31
  
SECTION 7 -- BENEFITS AND FORMS OF PAYMENT.................. 32
 
     7.1      Eligibility for Benefits...................... 32
     7.2      Time of Benefit Commencement.................. 32
     7.3      Form of Payment............................... 34
     7.4      Distributions of Stock........................ 34
     7.5      Withdrawals Prior to Termination.............. 35
     7.6      Hardship Withdrawal........................... 37

</TABLE>
<PAGE>

TABLE OF CONTENTS
(continued)

<TABLE>
<CAPTION>
                                                            Page
                                                            ----
<S>  <C>      <C>                                            <C>
     7.7      Beneficiary Designation........................ 39
     7.8      Loans.......................................... 39
     7.8      Directed Rollovers............................. 42
 
SECTION 8 -- VESTING......................................... 44
 
     8.1      Vesting........................................ 44
     8.2      Forfeitures.................................... 45
     8.3      Reemployment................................... 46
     8.4      Suspension of Installment Payments............. 46
 
SECTION 9 -- LIMITATION ON CONTRIBUTIONS..................... 47
 
     9.1      Maximum Annual Contribution to the Plan........ 47
     9.2      Additional Limitation Relating to Defined
                Benefit Plans................................ 48
 
SECTION 10 -- TOP HEAVY PROVISIONS........................... 50
 
     10.1     Scope.......................................... 50
     10.2     Top Heavy Status............................... 50
     10.3     Minimum Contribution........................... 52
     10.4     Limitation to Annual Additions in Top Heavy
                Plan......................................... 53
     10.5     Vesting........................................ 53
 
SECTION 11 -- ADMINISTRATION OF THE PLAN..................... 54
 
     11.1     Plan Administrator............................. 54
     11.2     Organization and Procedures.................... 54
     11.3     Duties and Authority of Committee.............. 54
     11.4     Expenses....................................... 56
     11.5     Bonding and Insurance.......................... 56
     11.6     Commencement of Benefits....................... 56
     11.7     Appeal Procedure............................... 57
     11.8     Plan Administration - Miscellaneous............ 58
     11.9     Domestic Relations Orders...................... 61
     11.10    Plan Qualification............................. 62
     11.11    Deductible Contribution........................ 62
     11.12    Voting of Company Stock and SpaceLabs
                Medical, Inc. Stock.......................... 62
 
SECTION 12 -- AMENDMENT AND TERMINATION...................... 63
 
     12.1     Amendment and Termination...................... 63
     12.2     Consolidation or Merger........................ 63
     12.3     Termination of the Plan........................ 64
     12.4     Allocation of the Trust Fund on Termination
                of Plan...................................... 64
     12.5     Partial Termination............................ 65
 
SECTION 13 -- FUNDING........................................ 66
 
     13.1     Contributions to the Trust Fund................ 66
     13.2     Trust Fund for Exclusive Benefit of
                Participants................................. 66
     13.3     Trustee........................................ 66
     13.4     Investment Manager............................. 66

<TABLE/>
<PAGE>
 
TABLE OF CONTENTS
(continued)


</TABLE>
<TABLE>
<CAPTION>
                                                            Page
                                                            ----
<S>  <C>      <C>                                            <C>
SECTION 14 -- FIDUCIARIES.................................... 68
 
     14.1     Limitation of Liability of the Company and
                Others....................................... 68
     14.2     Indemnification of Fiduciaries................. 68
     14.3     Scope of Indemnification....................... 68
 
SIGNATURE PAGE............................................... 69
 
APPENDIX I................................................... 70

</TABLE>
<PAGE>
 
                                    PREAMBLE


          THIS SAVINGS AND STOCK OWNERSHIP PLAN (hereinafter referred to as the
"Plan"), formerly known as the Westmark International Incorporated Incentive
Savings and Stock Ownership Plan and now known as the Advanced Technology
Laboratories, Inc. Incentive Savings and Stock Ownership Plan) is amended and
restated effective January 1, 1995, by Advanced Technology Laboratories, Inc., a
Delaware corporation (hereinafter "Company").

          WHEREAS, the Plan is a profit sharing plan and the purpose of the Plan
is to attract and retain Eligible Employees by providing them with an
opportunity to save for their retirement; and

          WHEREAS, the Plan was adopted by Westmark International Incorporated
effective January 1, 1987, and was amended and restated effective January 1,
1989; and

          WHEREAS, effective June 26, 1992, the corporate name of Westmark
International Incorporated was changed to Advanced Technology Laboratories, Inc.
and the Plan was divided into two plans, with the portion of the Plan
attributable to SpaceLabs, Inc. as a Participating Company becoming the
SpaceLabs Medical, Inc. Incentive Savings and Stock Ownership Plan; and

          WHEREAS, effective June 26, 1992, the Plan was amended and restated as
the Advanced Technology Laboratories, Inc. Incentive Savings and Stock Ownership
Plan; and

          WHEREAS, effective May 17, 1994, the Company merged with Interspec,
Inc.; and 

          WHEREAS, the Company desires to merge the Interspec, Inc. 401(k)
Retirement/Savings Plan into the Plan effective January 1, 1995; and

          WHEREAS, the Company desires to amend and restate the Plan to effect
 certain changes; and

          WHEREAS, the Plan shall be maintained for the exclusive benefit of
covered Employees, and is intended to comply with the Internal Revenue Code of
1986, as amended, including without limitation Section 401(k) thereof, the
Employee Retirement Income Security Act of 1974, as amended, and other
applicable law;

          NOW, THEREFORE, except as otherwise specified herein, the Employer
does hereby amend and restate the Plan as set forth in the following pages 
effective January 1, 1995, except that any change required by federal law, 
including without limitation amendments to the Internal Revenue Code, the 
Employee Retirement Income Security Act, the Age Discrimination in Employment 
Act and regulations or rulings issued pursuant thereto shall be effective on 
the latest date on which such change may become effective and comply with 
such laws.

                                       1
<PAGE>
 
                                   SECTION 1

                                  DEFINITIONS


The following terms when used herein shall have the following meaning, unless a
different meaning is plainly required by the context.  Capitalized terms are
used throughout the Plan text for terms defined by this and other sections.

1.1  Account
     -------

     "Account" means a Participant's Before-Tax Contribution Account, Company
     Matching Contribution Account, Supplemental Company Contribution Account,
     After-Tax Contribution Account and Rollover Account.

1.2  Affiliated Companies
     --------------------

     "Affiliated Companies" means

     (a)  the Company,

     (b)  any other corporation which is a member of a controlled group of
          corporations which includes the Company (as defined in Section 414(b)
          of the Code),

     (c)  any other trade or business under common control with the Company (as
          defined in Section 414(c) of the Code), or

     (d)  an affiliated service group which includes the Company (as defined in
          Section 414(m) of the Code).

     For purposes of the limitation on contributions in Section 9, the
     determination of whether a corporation is an Affiliated Company will be
     made in accordance with Sections 414(b) and (c) of the Code as modified in
     Section 415(h).

1.3  After-Tax Contribution Account
     ------------------------------

     "After-Tax Contribution Account" means an account established to hold a
     Participant's After-Tax Contributions to the Plan.

1.4  Before-Tax Contribution Account
     -------------------------------

     "Before-tax Contribution Account" means an account established to receive a
     Participant's Before-Tax Contributions to the Plan and funds formerly
     held in the Participant's Salary Reduction Contributions Account, if any
     under the Interspec, Inc. 401(k) Retirement/Savings Plan.

                                       2
<PAGE>
 
1.5  Beneficiary
     -----------

     "Beneficiary" means the person or persons designated to be the Beneficiary
     by the Participant in writing to the Committee.  In the event a married
     Participant designates someone other than his or her spouse as Beneficiary,
     such initial designation or subsequent change shall be invalid unless the
     spouse consents in a writing, which names the designated Beneficiary and is
     notarized, or witnessed by a Plan representative.  If a Participant fails
     to designate a Beneficiary or no designated Beneficiary survives the
     Participant, the Committee may direct that payment of benefits be made in
     equal shares to the person or persons in the first of the following classes
     of successive preference Beneficiaries to survive the Participant.  The
     Participant's:

     (a)  spouse,
     (b)  descendants, per stirpes,
     (c)  parents,
     (d)  brothers and sisters,
     (e)  estate.

1.6  Board of Directors
     ------------------

     "Board of Directors" means the Board of Directors of Advanced Technology
     Laboratories, Inc., a Delaware corporation.

1.7  Code
     ----

     "Code" means the Internal Revenue Code of 1986, as amended and including
     all regulations promulgated pursuant thereto.

1.8  Committee
     ---------

     "Committee" means the Advanced Technology Laboratories, Inc. Benefits
     Committee as from time to time constituted and appointed by the
     Compensation Committee of the Board of Directors of the Company to
     administer the Plan.

1.9  Company
     -------

     "Company" means Advanced Technology Laboratories, Inc., a Delaware
     corporation.  Effective May 11, 1995 "company means Advanced Technology
     Laboratories, Inc., a Washington corporation.  For purposes other than 
     Sections 12, 13 and 14, the term "Company" shall also include other 
     Participating Companies as provided from time to time in Appendix I to 
     this Plan.

                                      3
<PAGE>

1.10 Company Matching Contributions
     ------------------------------

     "Company Matching Contributions" has the meaning set forth in Section
     4.1(c).
 
1.11 Company Matching Contribution Account
     -------------------------------------

     "Company Matching Contribution Account" means an account established to
     receive a Participant's share of Company Matching Contributions to the 
     Plan to receive funds formerly held in the Participant's Employer 
     Matching Contributions Account, if any, and Employee Matching 
     Contributions Account, if any, under the Interspec, Inc. 401(k) 
     Retirement/Savings Plan, and to receive the Participants share, if any, 
     of Supplemental Company Contributions to the Plan made before January 1, 
     1994.

1.12 Company Stock
     -------------

     "Company Stock" means the common stock of the Company.

1.13 Compensation
     ------------

     "Compensation," for any Plan Year, has the meaning set forth in Section
     415(c)(3) of the Code, provided, for purposes of determining who is a
     Highly Compensated Employee, "Compensation" shall also include Participant
     Before-Tax Contributions to this Plan and elective Employee contributions
     to a cafeteria plan described in Code Section 125.

1.14 Current Market Value
     --------------------

     "Current Market Value," as applied to the common stock of the Company on
     any day, means the closing market price of such stock on the NASDAQ
     National Market on such day, or if the common stock of the Company was not
     traded on such day, the closing price on the next preceding trading day on
     which the common stock of the Company is traded.

1.15 Disabled
     --------

     "Disabled" means that a Participant is entitled to benefits under a long
     term disability plan sponsored by the Participating Company, or a long term
     disability plan to which the Participating Company contributes on behalf of
     the Participant.

1.16 Early Terminee
     --------------

     "Early Terminee" means a Participant (including a retired or terminated 
     former participant in the Interspec, Inc. 401(k) Retirement/Savings Plan)
     with a vested Account balance greater than $3,500, whose employment has 
     terminated prior to age 55 by reason other than death but who has 
     elected to defer receipt of payment of his Accounts for a period of more 
     than ninety (90) days after termination.

                                     4
<PAGE>

1.17 Earnings
     --------

     "Earnings" for any Plan Year means basic compensation and commissions paid
     to an Employee for services rendered to the Participating Company
     (calculated without regard to any reduction for Before-Tax Contributions or
     pre-tax contributions to a cafeteria plan pursuant to Section 125 of the
     Code), excluding amounts deferred pursuant to a non-qualified deferred
     compensation plan, and also excluding additional compensation such
     as shift differentials, overtime, severance payments, living and similar
     allowances, bonuses, and any wages paid by a foreign branch or subsidiary
     of the Company under a non-U.S. payroll.

     Notwithstanding the foregoing, annual Earnings in excess of $200,000 shall
     be disregarded; provided, however, that this $200,000 limit shall be
     automatically adjusted to the maximum permissible dollar limitation
     permitted by the Commissioner of the Internal Revenue Service.  In
     determining Earnings of a Participant for purposes of this limitation, the
     rules of Section 414(q)(6) of the Code shall apply, except in applying such
     rules, the term "family" shall include only the spouse of the Participant
     and any lineal descendants of the Participant who have not attained age 19
     before the close of the year.  If as a result of the application of such
     rules the adjusted $200,000 limitation is exceeded, then the limitation
     shall be prorated among the affected individuals in proportion to each such
     individual's Earnings as determined under this Section 1.17 prior to the
     application of this limitation.

     Effective January 1, 1994, the $200,000 figure in the preceding paragraph
     shall be replaced with $150,000.

1.18 Effective Date
     --------------

     "Effective Date" means January 1, 1987, or with respect to any company
     specified in appendices to this Plan, the date such Company adopted the
     Plan.

1.19 Eligible Employee
     -----------------

     "Eligible Employee" means any Employee who is on the U.S. payroll of the
     Company and who is not:

     (a)  a leased employee; or

     (b)  a temporary employee; or

     (c)  covered under a collective bargaining agreement where retirement
          benefits were the subject of good faith bargaining which does not
          provide for retirement benefits under this Plan.

                                      5
<PAGE>

1.20 Employee
     --------

     "Employee" means any person (including any officer or director) who is
     employed by the Company as a common law employee and any leased employee
     within the meaning of Code Section 414(n)(2); provided, however, if leased
     employees constitute twenty percent or less of the Company's non-highly
     compensated work force, the term "Employee" shall not include a leased 
     employee who is covered by a plan maintained by the leasing organization 
     which meets the requirements of Code Section 414(n)(5).

1.21 Employment Commencement Date
     ----------------------------

     "Employment Commencement Date" means the later of (a) the Effective Date, 
     and b) the date on which during the current period of employment, an 
     Employee first completes an Hour of Service for a Participating 
     Company on or after the date it becomes a Participating Company.

1.22 ERISA
     -----

     "ERISA" means the Employee Retirement Income Security Act of 1974, as
     amended, and including all regulations promulgated pursuant thereto.

1.23 Highly Compensated Employee
     ---------------------------

     "Highly Compensated Employee" means an Employee who, during the Plan Year
     or the twelve-month period preceding the Plan Year, is included in one of
     the following categories within the meaning of Section 414(q) of the Code
     and regulations thereunder:

     (a)  an Employee who was at any time a 5% owner of a Participating Company;

     (b)  an Employee who received aggregate Compensation from all the
          Affiliated Companies in excess of the dollar limitation under Section
          414(q)(1)(B) of the Code ($100,000 for the Plan Year ending December
          31, 1995);

     (c)  an Employee who received aggregate Compensation from all the
          Affiliated Companies in excess of the dollar limitation contained in
          Section 414(q)(1)(C) of the Code ($66,000 for the Plan Year ending
          December 31, 1995) and was in the "top paid group" as defined in
          Section 414(q)(4) of the Code; or

     (d)  an officer of a Participating Company whose annual Compensation
          exceeds 50% of the dollar limitation under Section 415(b)(1)(A) of the
          Code ($60,000 for the Plan Year ending December 31, 1995).

     An Employee described in subparagraphs (b) through (d) above for the Plan
     Year in question, who is not one of the 100 highest paid Employees in the
     current Plan Year, will not be considered a Highly Compensated Employee for
     the current year unless he or she 

                                       6
<PAGE>

     was a Highly Compensated Employee in the preceding Plan Year (without 
     regard to this sentence).  No more than 50 Employees shall be considered 
     officers or if less, no more than the greater of (i) 3 or (ii) 10% of 
     all Employees shall be considered officers.  If all officers earn less 
     than the Compensation threshold in subparagraph (d) above, then the 
     highest paid officer shall be considered highly compensated.
 
     In determining Highly Compensated Employees, the rules of Section 414(q)(6)
     of the Code shall apply.  The term "family" shall include only the spouse
     of the employee or former employee and any lineal ascendants and
     descendants and the spouses of such ascendants and descendants.

     The Company may elect, by resolution, from year to year, to make the
     determination of Highly Compensated Employees for the twelve-month period
     preceding the Plan Year, described above, with respect to the calendar year
     that coincides with the current plan year rather than with respect to the
     twelve-month period preceding the current plan year.

     The Company may elect, by resolution, for any year during which the Company
     at all times maintained significant business activities and employed
     employees in at least two significantly separate geographic areas, to
     modify the above definition by substituting the dollar amount in
     subparagraph (d) for the dollar amount in subparagraph (b) and by
     disregarding subparagraph (c).

1.24 Hour of Service
     ---------------

     "Hour of Service" means each hour for which an Employee is paid or entitled
     to payment by the Company or any Affiliated Companies on account of:

     (a)  Performance of duties;

     (b)  A period of time during which no duties are performed (irrespective of
          whether the employment relationship has terminated) due to vacation,
          holiday, illness, incapacity (including disability), layoff, jury
          duty, military duty, or leave of absence.  No more than 501 Hours of
          Service shall be credited under this paragraph for any single
          continuous period (whether or not such period occurs in a single
          computation period).  Hours under this paragraph shall be calculated
          and credited pursuant to 29 CFR 2530.200b-2(b) and (c), which are
          incorporated herein by this reference; and

     (c)  An award of back pay, irrespective of mitigation of damages, agreed to
          by the Participating Company or any Affiliated Company.  However,
          hours credited under (a) or (b) above shall not also be credited under
          this subsection (c).

                                      7
<PAGE>

1.25 Normal Retirement Date
     ----------------------

     "Normal Retirement Date" means the first day of the month coinciding with
     or immediately preceding the Participant's sixty-fifth (65th) birthday.

1.26 Participant
     -----------

     "Participant" means any Eligible Employee who qualifies for participation
     pursuant to Section 2.  A vested Participant shall cease to be a
     Participant when his or her vested Accounts are fully paid.
 
1.27 Participating Company
     ---------------------

     "Participating Company" means the Company or any Affiliated Company that
     adopts the Plan with the approval of the Board of Directors of the Company,
     and any successor thereto.  A list of all Participating Companies is
     attached as Appendix I to the Plan.

1.28 Period of Service
     -----------------

     "Period of Service" means the period of time commencing with the Employment
     Commencement Date and ending on the Severance From Service Date.  Non-
     successive periods are aggregated to determine the Employee's total Period
     of Service.  An Employee's Period of Service shall also include the
     following:

     (a)  Periods not in Service due to Temporary Termination;

     (b)  Periods of Service required to be taken into account by Section
          414(a)(1) of the Code or under Treasury Regulations issued pursuant to
          Section 414(a)(2) of the Code, and Service with Affiliated Companies.
          Where the Company maintains the plan of a predecessor employer,
          service for such predecessor employer shall be treated as service for
          the Company, as may be required by the Code; 

     (c)  For any Participant who became an Employee prior to September 1, 1987,
          any period of employment with a Participating Company under the Squibb
          Corporation Incentive Savings and Stock Ownership Plan to the extent
          such employment was credited as "Service" under that plan; and

     (d)  Periods of Service with Interspec, Inc. and with Echo Ultrasound,
          which was a division of Interspec, Inc, and before that was a 
          division of General Electric Company, determined as if such employers
          were Participating Companies prior to May 17, 1994.

     Notwithstanding the above, with respect to an individual who was a
     Participant in this Plan and whose Account balances were transferred to the
     SpaceLabs Medical, Inc. Incentive Savings and Stock Ownership Plan between
     June 25 and December 31, 1992, such Employee's Period of Service under this
     Plan, for participation and vesting purposes, shall begin on the first
     Employment Commencement Date after December 31, 1992 that follows such
     transfer of the Employee's Accounts.

                                       8
<PAGE>

1.29 Period of Severance
     -------------------

     "Period of Severance" means the period of time commencing at the Severance
     From Service Date and ending on the date the Employee again performs an
     Hour of Service for the Participating Company; provided, however, such
     period shall commence one year later if a male or female Employee is absent
     due to pregnancy, birth or adoption of a child, or caring for a child
     immediately following birth or adoption.

     Notwithstanding any Plan provision to the contrary, a Period of Severance
     for an employee of Interspec, Inc. and Echo Ultrasound is determined as 
     if they were Participating Companies prior to May 17, 1994.

1.30 Plan
     ----

     "Plan" means the Advanced Technology Laboratories, Inc. Incentive Savings
     and Stock Ownership Plan either in its previous or present form or as
     amended from time to time.

 
1.31 Plan Administrator
     ------------------

     "Plan Administrator" means the person or entity designated in Section 11 to
     administer the Plan.

1.32 Plan Year
     ---------

     "Plan Year" means the twelve-month period commencing each January 1 and
     ending each December 31.

1.33 Rollover Account
     ----------------

     "Rollover Account" means an account established to hold a Participant's
     rollover contribution to the Plan and funds formerly held in the 
     Participant's Rollover Contribution Account, if any, under Interspec, 
     Inc. 401(k) Retirement/Savings Plan.

1.34 Service
     -------

     "Service" with a Participating Company means periods for which an Employee
     is paid or entitled to payment for the performance of duties for the
     Participating Company.  Service shall include a period of employment with a
     predecessor to the Participating Company to the extent (i) provided by the
     Board in its discretion on a non-discriminatory basis as to all Employees
     similarly situated or (ii) required by Section 414(a) of the Code.

                                        9
<PAGE>

1.35 Severance From Service Date
     ---------------------------

     "Severance From Service Date" means the earlier of the date on which an
     Employee quits, retires, is discharged or dies, or the first anniversary of
     absence from work for any other reason.  An individual employed by an
     Affiliated Company other than the Company shall incur a Severance From
     Service Date on the date the individual's employer ceases to be an
     Affiliated Company of the Company.

1.36 Supplemental Company Contribution Account
     -----------------------------------------

     "Supplemental Company Contribution Account" means an account established to
     receive a Participant's share of Supplemental Company Contributions to the
     Plan made after December 31, 1993.

1.37 Temporary Termination
     ---------------------

     Termination is deemed "Temporary" if the Employee is rehired and in Service
     within one year of the initial date of absence from work.

                                       9
<PAGE>
 
1.38 Terminated
     ----------

     "Terminated" means no longer in Service or employed as an Employee with the
     Company or any Affiliated Company for reasons of resignation, retirement,
     discharge or death.

1.39 Trust or Trust Fund
     -------------------

     "Trust" or "Trust Fund" means the trust fund into which shall be paid all
     contributions and from which all benefits shall be paid under this Plan.

1.40 Trustee
     -------

     "Trustee" means the trustee or trustees who receive, hold, invest, and
     disburse the assets of the Trust in accordance with the terms and
     provisions set forth in a trust agreement.

1.41 Valuation Date
     --------------

     "Valuation Date" means the last business day in each calendar quarter and
     any other day which the Plan Administrator may designate from time to time.

                                      10
<PAGE>

1.42 Additional Definitions in Plan
     ------------------------------

     The following terms are defined in the following sections of the Plan.

<TABLE>
<CAPTION>
 
                                           Section
                                           --------
     <S>                                   <C>
     ACP Test                               4.3
     ADP Test                               3.4
     After-Tax Contributions                4.1(b)
     Aggregate Account                     10.2(e)
     Aggregation Group                      9.2(h)
     Aggresive Equity Fund                  5.2(h)
     Annual Additions                       9.1
     Balanced Fund                          5.2(c)
     Before-Tax Contributions               3.1(a)
     Company Stock Fund                     5.2(a)
     Company Matching Contributions         4.1(c)
     Core Equity Fund                       5.2(g)
     Determination Date                    10.2(c)
     Diversified Equity Fund                5.2(d)
     Domestic Relations Order              11.9
     Fixed Income Fund                      5.2(b)
     Investment Manager                    13.4
     International Fund                     5.2(e)
     Key Employee                          10.2(g)
     Lump Sum Supplemental Contribution     4.1(e)
     Money Market Fund                      5.2(h)
     Part-Time Employee                     2.1(b)
     Present Value of Accrued Benefit      10.2(f)
     SpaceLabs Stock Fund                   5.2(f)
     Super Top Heavy                       10.2(b)
     Supplemental Company Contributions     4.1(d)
     Top Heavy                             10.2(a)
     Valuation Date (for Top Heavy)        10.2(d)
</TABLE>

                                       11
<PAGE>
 
                                   SECTION 2

                                 PARTICIPATION

2.1  Participation
     -------------

     (a)  Each Eligible Employee who is not already a Participant shall 
          become a Participant in this Plan on the later of: 

          (i) the first day of the first month coinciding with or following 
              completion of a two consecutive-month Period of Service: and

          (ii) the date his or her employer becomes a Participating
               Company, 

          provided he or she is an Eligible Employee on such date.

     (b)  Each Participant in the Interspec, Inc. 401(k) Retirement/
          Savings Plan as of December 31, 1994 shall become a Participant
          in the Plan on January 1, 1995.

2.2  Reemployment After Termination
     ------------------------------

     Upon the reemployment of a Terminated former Participant as an Eligible
     Employee, he or she shall immediately become a Participant.

     An Employee who Terminates prior to becoming a Participant and is later
     reemployed shall become a Participant upon satisfying the requirements of
     Section 2.1.  A Period of Service earned prior to Termination shall not be
     forfeited for purposes of this Section 2.

2.3  Employees in a Bargaining Unit
     ------------------------------

     An Employee belonging to a collective bargaining unit, which has entered an
     agreement with the Participating Company that does not provide for
     retirement benefits under this Plan, shall not qualify for participation.
     If such an Employee is a Participant when such an agreement is entered, the
     Employee shall cease active participation on the effective date of the
     bargaining agreement.  If such an agreement provides for Plan
     participation, a covered Employee may continue or resume participation.

                                       12
<PAGE>
 
                                   SECTION 3

                            BEFORE-TAX CONTRIBUTIONS


3.1  Salary Deferral Agreement
     -------------------------

     (a)  General
          -------

          A Participant who desires to make salary deferrals pursuant to this
          Section 3.1 shall enter a salary deferral agreement with the
          Participating Company at least 15 days prior to the first day of the
          month on which the salary deferral is to commence.  Such agreement
          shall authorize the Company to make payroll deductions equal to a
          whole percentage of Earnings between 1% and 16% designated as Before-
          tax Contributions.  Payroll deductions shall be based on Earnings for
          each payroll period.

          To the extent a Participant's salary deferral agreement is based on a
          percentage of Earnings, the dollar amount of a Participant's salary
          deferral shall be automatically increased or decreased to reflect
          changes in the amount of the Participant's Earnings.

          The salary deferral agreement shall be effective on the first day of
          the payroll period coinciding with or following the later of:  (1) the
          date participation commences, or (2) the first day of the month which
          coincides with or next follows completion of the agreement, and shall
          remain in effect until such agreement is superseded by a subsequent
          agreement or revoked.  Deferrals shall be deducted from Participant
          Earnings each payroll period, except for those periods in which the
          deferral amount exceeds the amount remaining after other payroll
          deductions.  In the event a deduction is not taken in a payroll
          period, the Committee, with sole discretion, shall determine whether
          there will be a make-up deduction in a subsequent payroll period.

     (b)  Maximum Dollar Contribution
          ---------------------------

          Notwithstanding the foregoing, Before-Tax Contributions for any
          calendar year to this Plan (and any other plans of Affiliated
          Companies subject to Section 402(g) of the Code) shall not exceed the
          maximum dollar limitation on elective deferrals under Section 402(g)
          of the Code ($9,240 for 1995).

3.2  Participant Modification of Salary Deferral Agreement
     -----------------------------------------------------

     The payroll deduction percentages designated in the Participant's salary
     deferral agreement shall continue in effect regardless of changes in
     Earnings until the Participant elects in writing to change the percentage.
     A Participant may change the deferral amount by completing a new salary
     deferral agreement and submitting it to the Committee.  The 

                                    13
<PAGE>

     agreement will become effective on the first day of the month after 15 
     days from the date such notice is received by the Committee.  Completion 
     of a salary deferral agreement shall automatically revoke all prior 
     salary deferral agreements entered into by a Participant.   A 
     Participant may change the deferral amount or suspend deferrals as 
     frequently as each month, as long as the salary deferral agreement is 
     received by the Committee at least fifteen days before the effective 
     date of the change.

     A Participant may discontinue contributions effective on the first day of
     any future month by submitting a request form to the Committee at least 15
     days prior to the effective date.  Contributions may be resumed on the
     first day of any month after having been suspended as long as the salary
     deferral agreement is received by the Committee at least fifteen days
     before the salary deferrals are to commence.

3.3  Procedure for Making and Revoking Salary Deferral Agreement
     -----------------------------------------------------------

     The salary deferral agreement and any modification or revocation thereof
     shall be made by the Participant on such form, within such time and in
     accordance with such rules and procedures as prescribed by the Committee.

3.4  Non-Discrimination Test For Deferrals (ADP Test)
     ------------------------------------------------

     For each Plan Year, the Plan must meet one of the actual deferral
     percentage (hereinafter "ADP") tests described below to satisfy the non-
     discrimination requirement.  For purposes of this ADP test, Eligible
     Employees who do not qualify for participation pursuant to Section 2 shall
     not be considered.

     (a)  The ADP for the group of Eligible Employees who are Highly Compensated
          Employees does not exceed the ADP for all other Eligible Employees
          multiplied by 1.25; or

     (b)  The ADP for the group of Eligible Employees who are Highly Compensated
          Employees (i) is not more than two percentage points higher than the
          ADP for all other Eligible Employees and (ii) does not exceed the ADP
          for all other Eligible Employees multiplied by 2.

     The ADP for a specified group of Eligible Employees shall be the average of
     the ratios (calculated separately for each Employee in the group to the
     nearest one-hundredth of one percent of the Employee's Compensation) of 
     (i) Participant Before-tax Contributions to (ii) the Employee's 
     Compensation earned while eligible to participate, determined in 
     accordance with Code Section 401(k) and regulations pursuant thereto.  
     For purposes of the ADP tests, the definition of "Compensation" may be 
     modified from year to year to mean any definition of compensation that 
     complies with Section 414(s) of the Code.

     In applying the foregoing tests, Compensation paid to and Before-Tax
     Contributions on behalf of family members (as defined in Code Section
     414(q)(6)(B)) of a Highly Compensated Employee who is a 5% owner or in 
     the group consisting of the ten Highly 

                                      14
<PAGE>

     Compensated Employees paid the greatest Compensation shall be considered 
     together to determine a combined ADP for the family group (which is 
     treated as one Highly Compensated Employee).

     If for any Plan Year a Highly Compensated Employee is also eligible to
     participate in another cash for deferred arrangement maintained by any
     Affiliated Company, then the ADP of such Highly Compensated Employee shall
     be determined by treating all the cash or deferred arrangements in which he
     or she is eligible to participate and this Plan as one arrangement.

     For purposes of the foregoing test, all Before-tax Contributions made to
     this plan any other plan which is aggregated with this Plan for purposes
     of satisfying the coverage requirements of Code Section 410(b) (except 
     the average benefits percentage test) shall be treated as made to a 
     single plan.  In addition, Before-tax Contributions to this Plan may be
     permissively aggregated with before-tax contributions to one or more 
     other cash of deferred aggrangements, so long as the aggregated plans
     satisfy the requirements of Code Sections 401(a)(4) and 410(b) as if 
     they were a single plan.
     
                                       15
<PAGE>
 
                                   SECTION 4

                               PLAN CONTRIBUTIONS


4.1  Participant and Company Contributions
     -------------------------------------

     (a)  Participant Payroll Deduction Contributions
          -------------------------------------------

          The Company shall make a Participant Before-Tax Contribution on behalf
          of each active Participant in an amount equal to 100% of the salary
          deferral amount pursuant to the Participant's salary deferral
          agreement, as provided in Section 3, for each payroll period.
          Participant contributions shall be credited to the Participant's
          Before-Tax Contribution Account.

          To the extent a Participant's salary deferral agreement is based on a
          percentage of Earnings, the dollar amount of a Participant's Before-
          Tax Contributions shall be automatically increased or decreased to
          reflect changes in the amount of the Participant's Earnings.

          The Company shall pay the Participants' Before-Tax Contributions in
          cash to the Trustee within a reasonable time after each pay-period but
          not later than a reasonable time after the end of each month.

     (b)  Employee After-Tax Contributions
          --------------------------------

          A Participant may elect to contribute to the Plan, through payroll
          deductions, an amount equal to a whole percentage of Earnings between
          1% and 16%, reduced by the amount (if any) of the Before-Tax
          Contributions to be made on his behalf.  Such amounts are referred to
          as After-Tax Contributions.  A Participant may make such election by
          filing a written application which authorizes a deduction of
          contributions from his Earnings at least 15 days prior to the first
          day of the month on which a deduction is to commence.  After-Tax
          Contributions shall be credited to the Participant's After-Tax
          Contribution Account.

          An election to make After-Tax Contributions may be modified or
          canceled subject to the same provisions that apply to Before-Tax
          Contributions pursuant to Section 3.2.

          The dollar amount of a Participant's After-Tax Contributions shall be
          automatically increased or decreased to reflect changes in the amount
          of the Participant's Earnings.

          The Company shall pay the Participants' After-Tax Contributions in
          cash to the Trustee within a reasonable time after each pay-period but
          not later than a reasonable time after the end of each month.

                                       16
<PAGE>
 
     (c)  Company Matching Contributions
          ------------------------------

          Each Company shall make the Company Matching Contribution for any Plan
          Year in an amount equal to:

          (i)  50% of the first 3% of each Participant's Before-Tax
               Contributions and After-Tax Contributions in respect of Earnings
               paid by the Company during such Plan Year; and

          (ii) 25% of each Participant's Before-Tax Contributions and After-Tax
               Contributions over 3% and up to 6% of Earnings paid by the
               Company during such Plan Year.

          Provided that, Participant Lump Sum Supplemental Contributions
          pursuant to Section 4.1(e) will not be matched by a Company Matching
          Contribution.

          Such amounts shall be called Company Matching Contributions. The
          percentage of Company Matching Contributions shall be determined
          separately for the Company from time to time by the Board, subject to
          the percentage limitations contained in the preceding sentence.  The
          rate of Company Matching Contributions shall be certified to the
          Committee and shall remain effective until changed by the Board and
          certified to the Committee.  Company Matching Contributions shall be
          credited to the Participants' Company Matching Contribution Accounts.

          The amount of the Company Matching Contributions due under this
          Section 4.1(c) (reduced by any Company Matching Contributions
          forfeited during the month, as provided in Section 8.2) shall be 
          determined each pay period during the Plan Year and shall be
          remitted to the Trustee within a reasonable time after each pay 
          period but not later than a reasonable time after the end of each 
          month.

          The Company may, at its option, make its contribution under this
          Section 4.1(c) by delivering or causing to be delivered to the Trustee
          shares of Company Stock at the aggregate Current Market Value of the
          stock so delivered on the date of the delivery.  Such shares shall be
          treasury shares, authorized but unissued shares or shares purchased on
          the open market.

     (d)  Supplemental Company Contributions
          ----------------------------------

          On the last day of the Plan Year, each Participating Company may
          contribute a uniform percentage of a Participant's Earnings, on behalf
          of each Participant who completed 1,000 or more Hours of Service
          during the Plan Year and (i) who is employed on the first and last
          days of the Plan Year, (ii) who terminated employment during the Plan
          Year as a result of retirement, Disability or death, or (iii) who was
          employed by the Participating Company but who was transferred during
          the Plan Year to the employ of an Affiliated Company that is not a
          Participating Company.

                                       17
<PAGE>
 
          Amounts contributed by each Participating Company may be different 
          from the amount contributed by another Participating Company.  Amounts
          contributed by each Participating Company will be allocated only to
          Participants employed by that Participating Company, based on Earnings
          paid by that Participating Company.  Such amounts are referred to as
          Supplemental Company Contributions and shall be credited to
          Supplemental Company Contribution Accounts.  The percentage of
          Supplemental Company Contributions shall be determined separately for
          each Participating Company by the Board.

          Supplemental Company Contributions shall be remitted to the Trustee on
          or before the due date for filing the Company's Federal income tax
          return for the Plan Year, including extensions.

          A Participating Company may, at its option, make its contributions
          under this Section 4.1(d) by delivering or causing to be delivered to
          the Trustee shares of Company Stock at the aggregate Current Market
          Value of the stock so delivered on the date of delivery.  Such shares
          shall be treasury shares, authorized but unissued shares or shares
          purchased on the open market.

     (e)  Lump-Sum Supplemental Contributions
          -----------------------------------

          In addition to any other contributions made by him, a Participant who
          has completed at least five years of Service with the Participating
          Company may make a contribution to the Plan, effective as of the last
          day of any month, by delivering a check to the Participating Company,
          provided that no more than two Lump-Sum Supplemental Contributions may
          be made hereunder by a Participant in any calendar year.  Lump-Sum
          Supplemental Contributions shall be treated as After-Tax Contributions
          and credited to the Participant's After-Tax Contribution Account.

          The Company shall pay the Lump-Sum Supplemental Contributions in cash
          to the Trustee within a reasonable time after receipt of a
          Participant's check.

     (f)  Rollover Contributions
          ----------------------

          An Eligible Employee may request in writing on one or more forms 
          required by the Committee accept a rollover amount which was 
          distributed from another qualified plan (other than a plan maintained 
          by the Company or an Affiliated Company) or conduit Individual 
          Retirement Account (IRA). Also, the Eligible Employee must provide 
          any written assurances required by the Committee that such amounts 
          are eligible rollover distributions.  The amount must be a direct 
          rollover or must be rolled over by the Eligible Employee within 60 
          days after receiving the distribution from the other plan or conduit 
          IRA.  Rollovers of any type of property other than cash will not be 
          accepted.  In the event that an Eligible Employee contributes a 
          rollover amount, such amount shall be allocated to a separate, 
          fully vested account and subject to the same terms of the Plan as 
          other 

                                     18
<PAGE>

          amounts in a Before-Tax Contribution Account, provided, amounts in 
          a Rollover Account may be withdrawn in Service at any time.

          If the Eligible Employee never satisfies the participation
          requirements of Section 2, the Eligible Employee shall be considered a
          Participant only with respect to the rollover amount.

4.2  Time of Contribution
     --------------------

     In no event shall contributions for any Plan Year be made later than the
     time prescribed by law (i) for the deduction of such contributions for
     purposes of Federal income tax, as determined by the applicable provisions
     of the Code, or (ii) for making such contributions under a cash or deferred
     arrangement (within the meaning of Section 401(k) of the Code).

4.3  Non-Discrimination Test for Company Matching Contributions and After-Tax
     ------------------------------------------------------------------------
     Contributions (ACP Test)
     ------------------------

     For each Plan Year the Plan must meet one of the average contribution
     percentage (hereinafter "ACP") tests described below to satisfy this non-
     discrimination requirement.  For purposes of this ACP test, Eligible
     Employees who do not qualify for participation pursuant to Section 2 shall
     not be considered.

     (a)  The ACP for the group of Eligible Employees who are Highly Compensated
          Employees does not exceed the ACP for all other Eligible Employees
          multiplied by 1.25; or

     (b)  The ACP for the group of Eligible Employees who are Highly Compensated
          Employees (i) is not more than two percentage points higher than the
          ACP for all other Eligible Employees and (ii) does not exceed the ACP
          for all other Eligible Employees multiplied by 2.

     The ACP for a specified group of Eligible Employees shall be the average of
     the ratios (calculated separately for each Employee in the group to the
     nearest one-hundredth of one percent of the Employee's Compensation) of (i)
     Company Matching Contributions on behalf of each such Employee and the
     Employee's After-Tax Contributions and Lump-Sum Supplemental Contributions,
     if any, to (ii) the Employee's Compensation earned while eligible to
     participate, determined in accordance with Code Section 401(m) and
     regulations pursuant thereto.  For purposes of the ACP tests, the
     definition of "Compensation" may be modified from year to year to mean any
     definition of compensation that complies with Section 414(s) of the Code.

     For purposes of the foregoing test, all Company Matching Contributions,
     After-tax
                                     19
<PAGE>

     Contributions and Lump Sum Supplemental Contributions made under this
     Plan may be permissively aggregated with matching contributions made to
     another plan, so long as the aggregated plans satisfy the requirements
     of Code Sections 401(a)(4) and 410(b) as if they were a single plan.     

     In applying the foregoing tests, Compensation paid to and contributions on
     behalf of family members (as defined in Code Section 414(q)(6)(B)) of a
     Highly Compensated Employee who is a 5% owner or in the group consisting of
     the ten Highly Compensated Employees paid the greatest Compensation shall
     be considered together to determine a combined ACP for the family group 
     (which is treated as one Highly Compensated Employee).

     If for any Plan Year a Highly Compensated Employee is also eligible to
     participate in another plan offering company matching contributions and/or
     after-tax contributions maintained by any Affiliated Company, the ACP of
     such Highly Compensated Employee shall be determined by aggregating all
     such contributions.

4.4  Multiple Use of Alternative Limitations Under ADP and ACP Tests
     ---------------------------------------------------------------

     If the sum of the ADP and ACP for Highly Compensated Employees determined
     under Section 3.4 and Section 4.3, respectively, after correcting any
     excess deferrals or contributions pursuant to Section 4.5, exceeds the
     Aggregate Limit defined below, then Highly Compensated Employee
     contributions shall be further limited pursuant to this section.  This
     multiple use limitation shall be applied in accordance with the provisions
     of Treas. Reg. Sections 1.401(m)-1 and 1.401(m)-2.

     The Aggregate Limit means the greater of (a) or (b) below:

     (a)  the sum of:

          (i)  1.25 multiplied by the greater of the ADP or the ACP for the
               group of all Eligible Employees who are not Highly Compensated
               Employees, and

          (ii) two plus the lesser of the ADP or the ACP for the group of all
               Eligible Employees who are not Highly Compensated Employees (in
               no event shall this amount exceed twice the lesser of such ADP or
               ACP).

     (b)  the sum of:

          (i)  1.25 multiplied by the lesser of the ADP or the ACP for the group
               of all Eligible Employees who are not Highly Compensated
               Employees, and

          (ii) two plus the greater of the ADP or the ACP for the group of all
               Eligible Employees who are not Highly Compensated Employees (in
               no event shall this amount exceed twice the greater of such ADP
               or ACP).
 
4.5  Corrective Procedures to Satisfy Discrimination Tests
     -----------------------------------------------------

     If at any time during a Plan Year the Committee determines on a projected
     basis that it is necessary to reduce the Participant Before-Tax
     Contributions, After-Tax Contributions or Company Matching Contributions of
     any Highly Compensated Employee to satisfy the dollar limit on annual
     deferrals, the ADP non-discrimination test, the ACP non-discrimination
     test, or the multiple use of alternative limitations test, it shall have
     the authority to do so in such amounts and for such periods of time as it
     shall deem necessary under the circumstances.

                                       20
<PAGE>
 
     The Committee may, in its sole discretion, elect to aggregate Company
     Matching Contributions and/or Supplemental Company Contributions with
     Participant Before-Tax Contributions to the extent necessary to satisfy the
     ADP discrimination test provided such aggregation does not itself result in
     discrimination.  Notwithstanding any Plan provisions to the contrary, any
     Company contributions so aggregated shall be 100% vested as of the date
     contributed to the Plan and shall be subject to the withdrawal provisions
     of Section 7.4 as if they are Before-Tax Contributions.   The ACP test must
     be passed without taking such Company contributions into account.

     The Committee may also, in its sole discretion, elect to aggregate
     Supplemental Company Contributions with Company Matching Contributions to
     the extent necessary to satisfy the ACP discrimination test, provided such
     aggregation does not itself result in discrimination.  Notwithstanding any
     Plan provision to the contrary, any Company contributions so aggregated
     shall be 100% vested, and shall be subject to the withdrawal provisions of
     Section 7.4 as if they are Before-Tax Contributions.

4.6  Return of Contributions
     -----------------------

     (a)  Mistake of Fact
          ---------------

          If the amount of contribution made to the Plan by a Participating
          Company for any Plan Year is in excess of the amount required under
          Section 4.1, and such excess payment is due to mistake of fact, the
          Participating Company shall have the right to recover such excess
          contribution within one year after the date the contribution is made
          to the Trustee.  The return of a contribution shall be permitted
          hereunder only if the amount so returned (i) is the excess of the
          amount actually contributed over the amount which would have otherwise
          been contributed, (ii) does not include the earnings attributable to
          such contribution, and (iii) is reduced by any losses attributable to
          such contribution.

     (b)  Excess Deferrals
          ----------------

          An excess deferral exists for a Participant if Before-Tax
          Contributions under this Plan together with any other plans subject to
          the deferral limit in Code Section 402(g) (for 1995 this limit is
          $9,240) exceed such dollar limitation for any calendar year.

          In the event an excess deferral exists in plans maintained by the
          Participating Company (and Affiliated Companies, if applicable), such
          excess deferral, adjusted for investment gains or losses, less amounts
          previously returned pursuant to subparagraph (c), shall be distributed
          no later than April 15 following the calendar year in which the excess
          deferral occurred.

          In the event an excess deferral exists in plans maintained by the
          Company and any unrelated employer(s), and a Participant submits a
          written request for a return of excess deferrals by March 1 following
          the calendar year in which an excess deferral occurs (or any other
          date authorized by the Committee), the Committee

                                       21
<PAGE>
 
          shall distribute such excess deferral, adjusted for investment gains
          or losses, less amounts previously returned pursuant to subparagraph
          (c), no later than April 15 following the calendar year in which the
          excess deferral occurred.  Such written request shall contain
          information which the Committee may require.

     (c)  ADP Excess Contribution
          -----------------------

          An ADP excess contribution exists if contributions under this Plan on
          behalf of Highly Compensated Employees fail to meet the ADP test
          described in Section 3.4.  Within twelve months after the end of the
          Plan Year for which there is an excess, contributions which exceed the
          ADP limitation, adjusted for earnings and losses, less amounts
          previously returned pursuant to subparagraph (b), shall be distributed
          to Highly Compensated Employees by reducing each Highly Compensated
          Employee's deferral in the order of deferral percentages beginning
          with the highest.

          In the event excess deferrals are returned to a Highly Compensated
          Employee whose contributions and Compensation were aggregated with
          other family members for purposes of the ADP test in Section 3.4, such
          returned amounts shall be returned to each family member in the same
          proportion that his or her contributions and Compensation bears to
          total contributions and Compensation of the family member group.

     (d)  ACP Excess Contribution
          -----------------------

          An ACP excess contribution exists if contributions under this Plan on
          behalf of Highly Compensated Employees fail to meet the ACP test
          described in Section 4.3.  Within twelve months after the end of the
          Plan Year for which there is an excess, unmatched After-Tax
          Contributions, and then matched After-Tax Contributions and Company
          Matching Contributions (in equal amounts) of Highly Compensated
          Employees which exceed the ACP limitation shall be reduced, beginning
          with the highest contribution percentage and then continuing with each
          next lower percentage as the ceiling declines, as follows:

          (i)  Any amount reduced from After-Tax Contributions (including
               recharacterized contributions) shall be distributed with related
               earnings to the Employee to whom it applies.

          (ii) Any amount reduced from Company Matching Contributions shall be
               distributed, with related earnings, to the extent vested, to the
               Employee to whom it applies.

          (iii)Any amount reduced from Company Matching Contributions not
               distributed under (ii) above shall be forfeited, with related
               earnings.  Amounts so forfeited shall be applied to offset future
               Company Matching Contributions.

                                       22
<PAGE>
 
          In the event excess deferrals are returned to a Highly Compensated
          Employee whose contributions and Compensation were aggregated with
          other family members for purposes of the ACP test in Section 4.3, such
          returned amounts shall be returned to each family member in the same
          proportion that his or her contributions and Compensation bears to
          total contributions and Compensation of the family member group.

     (e)  Contributions in Excess of the Aggregate Limit
          ----------------------------------------------

          In the event contributions exceed the Aggregate Limit (as defined in
          Section 4.4), Participant unmatched After-Tax Contributions, then
          unmatched Before-Tax Contributions, then matched After-Tax
          Contributions, then matched Before-Tax Contributions shall be
          considered excess contributions pursuant to (c) or (d) above, as
          applicable, and shall be returned to Highly Compensated Employees
          pursuant thereto.

     (f)  Adjustment for Income
          ---------------------

          An Excess Deferral, ADP excess contribution or ACP excess contribution
          distributed to a Participant shall be adjusted for income or loss for
          the calendar year using the method described in Section 5.3.

     (g)  Vesting Exception
          -----------------

          Notwithstanding the vesting provisions of Section 8, a Participant
          shall not have a nonforfeitable right to excess Company contributions
          which are returned or adjusted pursuant to this Section 4.6.

4.7  Recharacterization of Excess Before-Tax Contributions
     -----------------------------------------------------

     (a)  Before-Tax Contributions made to the Plan that exceed the limitations
          of Section 3.1(b) (dollar limitation) or Section 3.4 (ADP test) in the
          discretion of the Committee for each Plan Year may be recharacterized
          as After-Tax Contributions rather than distributed to Participants as
          provided in Section 4.6(b) and (d) above.

     (b)  Recharacterization may be combined with a distribution to correct 
          the excess.  If part of the excess is recharacterized, the 
          distribution necessary for correction shall be calculated after
          determining the amount of Before-tax Contributions to be 
          recharacterized.  Income related to a recharacterized excess shall 
          not be treated as an amount recharacterized, but shall remain 
          attributed to the applicable Before-Tax Contribution Account.  
          Recharacterized Before-Tax Contributions will be eligible for 
          Company Matching Contributions.

     (c)  An amount recharacterized shall be treated as the Company 
          contribution for purposes of Sections 9 "Limitation on 
          Contributions" and 10 "Top Heavy Provisions".  An amount 
          recharcterized before January 1, 1988 shall be treated as an After-
          tax Contribution for purposes of withdrawal under Section 7.5(b).
          Amounts recharacterized after January 1, 1988 shall be treated as an 
          After-Tax Contribution for purposes of withdrawal under Section 
          7.5(d).  Recharacterized amounts shall be treated as Before-Tax 
          Contributions for purposes of determining Compensation.

                                       24
<PAGE>
 
                                   SECTION 5

                             ACCOUNT ADMINISTRATION


5.1  Types of Accounts
     -----------------

     All contributions shall be made to the Trust Fund which will have the
     following types of accounts for each Participant:

     (a) Before-Tax Contribution Account
     (b) After-Tax Contribution Account
     (c) Company Matching Contribution Account
     (d) Supplemental Company Contribution Account
     (e) Rollover Account

5.2  Investment Options
     ------------------

     The Trust Fund shall be divided into the following investment subfunds:

     (a)  Company Stock Fund
          ------------------

          The Company Stock Fund, including earnings thereon, shall be invested
          by the Trustee in shares of Company Stock and short-term cash
          investments.

     (b)  Fixed Income Fund
          -----------------

          The Fixed Income Fund seeks to pay current interest rates while
          maintaining principal.  The Fund may consist of a variety of
          guaranteed investment contracts with diversified maturities, bank
          investment contracts, and short-to-intermediate-term high-quality
          fixed income securities.

     (c)  Balanced Fund
          -------------

          The Balanced Fund attempts to provide income, conservation of
          principal and long-term growth of principal and income.  The Fund
          invests in a mix of stocks and bonds.  The equity style is value-
          oriented and the Fund may invest in both small and large capitalized
          companies.

                                       25
<PAGE>

     (d)  International Fund
          ------------------

          The International Fund focuses on long-term capital growth.  The Fund
          invests primarily in stocks and debt securities of companies outside
          the United States.  It may also invest in bonds and money market
          instruments.

     (f)  SpaceLabs Stock Fund
          --------------------
 
          Effective July 1, 1992, the Trust Fund shall contain a SpaceLabs Stock
          Fund, which will be invested in common stock of SpaceLabs Medical,
          Inc. and short-term cash investments.  Shares of common stock of
          SpaceLabs Medical, Inc. distributed on June 26, 1992 with respect to
          shares held in the Company Stock Fund shall be transferred to the
          SpaceLabs Stock Fund effective July 1, 1992.  No additional
          contributions shall be invested in the SpaceLabs Stock Fund.

          A Participant may elect to have all or part of his Company Matching
          Contribution and Supplemental Company Contribution Accounts invested
          in the SpaceLabs Stock Fund transferred to the Company Stock Fund, and
          may elect to have all or part of his Before-Tax Contribution, After
          Tax Contribution and Rollover Accounts transferred to the Core Equity 
          Fund, the Fixed Income Fund, the International Fund, the Aggressive 
          Equity Fund, the Balance Fund, the Company Stock Fund, or effective 
          July 1, 1995, the Money Market Fund in accordance with the 
          procedure described in Section 6.4.  Participants may not elect to 
          transfer account balances to this Fund.

     (f)  Core Equity Fund
          ----------------

          The Core Equity Fund seeks capital appreciation and current income
          utilizing a value-oriented style.  The Fund invests primarily in U.S.
          stocks which pay dividends.

     (g)  Aggressive Equity Fund
          ----------------------

          The Aggressive Equity Fund is a growth equity fund which seeks capital
          appreciation.  The Fund invests primarily in U.S. stocks of small and
          large capitalized companies.  The Fund may periodically invest in
          bonds and money market instruments.

     (h)  Money Market Fund
          -----------------

          Effective July 1, 1995, the Trust Fund shall include a Money Market
          Fund.  The Money Market Fund seeks to provide interest income while
          preserving the original investment and maintaining liquidity.  The
          Fund seeks to invest primarily in high-quality money market 
          instruments.
                                       26
<PAGE>
 
5.3  Allocation of Trust Fund Earnings and Losses to Participant Accounts
     --------------------------------------------------------------------

     (a)  Fixed Income Fund, Balanced Fund, Core Equity Fund, Aggressive Equity
          ---------------------------------------------------------------------
          Fund, International Fund, and Money Market Fund
          -----------------------------------------------

          As of each Valuation Date, any increase or decrease in the fair market
          values (including interest, dividends, realized and unrealized gains
          and losses) of the Fixed Income Fund, the Balanced Fund, the Core
          Equity Fund, the Aggressive Equity Fund, the International Fund, and
          effective July 1, 1995, the Money Market Fund shall be allocated
          the Participant Accounts on the basis of the interests in the 
          particular Fund held in the Accounts as of the immediately 
          preceding Valuation Date, adjusted for contributions, distributions 
          and transfers made since that date, in accordance with 
          administrative procedures established by the Committee.

          Notwithstanding the foregoing, in the event a Terminated Participant
          has received a distribution of his or her vested Account balances, the
          nonvested portion of his or her Accounts shall not be credited with
          Trust Fund earnings and losses pursuant to this section after the
          Valuation Date which coincides with or next precedes the date of
          Termination of employment.

     (b)  Company Stock Fund
          ------------------

          Company Matching Contributions and Supplemental Company Contributions
          shall be invested solely in the Company Stock Fund, except as 
          otherwise provided in Section 6.7, and may be made in cash or 
          shares of Company Stock.  The Trustee shall apply cash 
          contributions to the purchase of Company Stock over a period of 
          time as directed by the Committee.  As of each Valuation Date, each 
          Participant's Company Matching Contribution Account (and 
          Supplemental Company Contribution Account, if applicable) shall be 
          credited with a number of shares of Company Stock that represent 
          the Company Matching Contribution (and Supplemental Company 
          Contribution, if applicable) made on the Participant's behalf, 
          based on the average price of the shares contributed to the Plan 
          and purchased by the Trustee since the Valuation Date.

          If a Participant elects to transfer amounts in his or her Accounts
          invested in the SpaceLabs Stock Fund to the Company Stock Fund, the
          Trustee shall apply the transferred cash amount to the purchase of
          Company Stock as described in the preceding paragraph.  As of the next
          following Valuation Date, the Participant's Accounts will be credited
          with a number of shares of Company Stock that represent the amount
          transferred to the Company Stock Fund, based on the average price of
          the shares purchased by the Trustee since the effective date of the
          transfer.

          As of each Valuation Date, dividends and other distributions received
          on Company Stock held in the Company Stock Fund may be reinvested in
          Company Stock or held in short-term cash investments.  The
          Participants' Accounts shall be credited with a proportionate amount
          of shares and/or cash determined on the basis of the

                                       27
<PAGE>
 
          number of shares in each Participant's Accounts on the record date 
          of such distribution.

     (c)  SpaceLabs Stock Fund
          --------------------

          If a Participant elects to transfer amounts in his or her Accounts
          invested in the SpaceLabs Stock Fund to other funds as provided in
          Section 5.2(f), the transfer shall be made in cash.  The cash value of
          common stock of SpaceLabs Medical, Inc. that is so transferred shall
          be based on the actual proceeds from the sale of the stock.

          As of each Valuation Date, dividends and other distributions received
          on common stock of SpaceLabs Medical, Inc. held in the SpaceLabs Stock
          Fund shall be reinvested in common stock of SpaceLabs Medical, Inc. or
          held in short term cash investments.  The Participant's Accounts shall
          be credited with a proportionate number of shares and/or cash
          determined on the basis of the number of shares in each Participant's
          Accounts on the record date of such distribution.

5.4  Valuation of the Trust Fund
     ---------------------------

     The fair market value of the Trust Fund shall be determined as of each
     Valuation Date and at any time specifically requested by the Plan
     Administrator.  Any portion of the Trust Fund held under an insurance
     contract or bank investment contract in which asset values are only
     maintained on a book value basis shall have that portion of the Trust Fund
     valued at book value rather than market value.

5.5  Account Statements
     ------------------

     Each Participant shall be provided with a statement of his or her Accounts
     under the Plan showing the Account values on dates determined by the
     Committee, but not more frequently than each calendar quarter.  If within
     thirty (30) days after the statement is mailed the Participant makes no
     objection to the statement, it shall become binding and conclusive on the
     Participant and any Beneficiary.

                                       28
<PAGE>
 
                                   SECTION 6

                          INVESTMENT OF CONTRIBUTIONS


6.1  Optional Funds
     --------------

     Each Participant, at the time the Participant elects to participate in the
     Plan, shall direct that the Participant's After-Tax Contributions to the
     Plan and the Before-Tax Contributions made on the Participant's behalf be
     invested (in multiples of 10%) in any one of the following investment
     funds, or in any combination of funds.  Each Eligible Employee, at the
     time he or she requrest to make a Rollover Contribution, shall direct 
     the Participant's Rollover Contributions (if any) be invested (in 
     multiples of 10%) in any one or combination of the following investment 
     funds other than the Company Stock Fund:

     (a)  the Fixed Income Fund;

     (b)  the Balanced Fund;

     (c)  the Core Equity Fund;

     (d)  the Aggressive Equity Fund;

     (e)  the International Fund; and

     (f)  the Company Stock Fund, not exceeding thirty percent (30%) of a
          Participant's After-Tax Contributions and Before-Tax Contributions.

     (g)  the Money Market Fund.

     A single investment election shall be made with respect to Before-Tax
     Contributions and After-Tax Contributions, and a separate investment
     election shall be made with respect to Rollover Contributions.

6.2  Selection of Investment Funds
     -----------------------------

     The selection of an investment option pursuant to this Section 6 is the
     sole responsibility of each Participant.  The Trustee, the Committee, any
     Participating Company, or any of their officers or supervisors are not
     empowered to advise a Participant as to the manner in which his Account
     should be invested.  The fact that a security is available to Participants
     for investment under the Plan shall not be construed as a recommendation
     for the purchase of that security, nor shall designation of any option by
     the Participant impose any liability on a Participating Company, its
     directors, officers or employees, the Trustee, the Committee or any
     Participant in the Plan.

                                     29
<PAGE>

     Subject to any applicable provision of law, each Participant assumes all
     risks connected with any decrease in the market value of any securities in
     the funds and such funds shall be the sole source of payments to be made
     under the Plan.

6.3  Investment of Loan Repyments
     ---------------------------- 

     If a Participant is not making contributions at the time that loan 
     repayments pursuant to Section 7.8 begin, the Participant shall direct
     investment of the loan repayments among the optional Funds under Section
     6.1 by written notice to the Committee at least 15 days before the first
     repayment.

6.4  Change in Investment of Future Contributions and Loan Repayments
     ----------------------------------------------------------------

     A Participant may, upon not less than 15 days prior written notice to the
     Committee, change the Participant's investment election with respect to 
     contibutions and loan repayments, if any, made after the applicable
     effective date.  The change shall be effective as of the first day of 
     the next month following receipt of written notice by the Committee. 

6.5  Changes in Investment of Existing Accounts
     ------------------------------------------

     Upon not less than 15 days prior notice to the Committee, a Participant, 
     including an Early Terminee except as provided below, may elect to have 
     all or part (in 10% increments) of the Participant's existing After-Tax 
     Contribution Account, Before-Tax Contribution Account, and Rollover 
     Account and any earnings thereon transferred from the fund or funds in 
     which they are invested to the Fixed Income Fund, the Balanced Fund, the 
     Core Equity Fund, the Aggressive Equity Fund, the Money Market Fund or 
     the International Fund, except that amounts invested in the Fixed Income 
     Fund, cannot be transferred directly to the Money Market Fund.  The 
     transfer shall be effective as of the first day of the next calendar 
     quarter (the first day of calendar quarters being January 1, April 1, 
     July 1, and October 1).  The transfer shall be based upon the values of 
     the Accounts on the last business day of the quarter immediately 
     preceding the date as of which the election is effective.  A single 
     investment election shall be made with respect to Before-Tax 
     Contributions and After-Tax Contributions, and a separate investment 
     election shall be made with respect to Rollover Contributions.  No more 
     than four elections with respect to Before-Tax Contributions and 
     After-Tax Contributions and four elections with respect to Rollover 
     Contributions may become effective in any calendar year.  The transfer 
     shall be made as soon as administratively feasible after completion of 
     the valuation for the effective date of the transfer.

     An Early Terminee's Accounts shall be transferred on behalf of the 
     Participant to one or more available funds as directed by the Company,
     the Trustee, or the Investment Manager on the first day of the calendar 
     quarter following 12 months after the end of the month in which 
     employment terminates.  Until such transfer, an Early Terminee may 
     continue to direct the investment of his or her Accounts. Accounts so 
     transferred will remain invested in the Fixed Income Fund until
     distributed pursuant to the Early Terminee's 

                                        30
<PAGE>

     election under Section 7.2 or following his or her death.  A Participant
     who is not an Early Terminee and who reaches age 55 may change 
     investments pursuant to Section 6.7.

6.6  Changes in Investment of Former Interspec, Inc. Accounts
     --------------------------------------------------------

     A participant in the Interspec, Inc. 401(k) Retirement/Savings Plan may,
     upon written notice to the Committee before December 16, 1994, elect to 
     have all or part (in ten percent (10%) increments) of the Participant's
     accounts in the Interspec, Inc. 401(k) Retirement/Savings Plan 
     transferred form the fund or funds in which they are invested under the
     Interspec, Inc. 401(k) Retirement/Savings Plan to the Fixed Income Fund,
     the Balanced Fund, the Core Equity Fund, the Aggressive Equity Fund, or
     the Internaitional Fund effective February 1, 1995.  Accounts of a 
     Participant who fails to make an election prior to December 16, 1994
     shall be invested in one or more of those funds as directed by the 
     Company, the Trustee, or the Investment Manager on behalf of the 
     Participant.
 
6.7  Investment of Company Contributions
     -----------------------------------

     (a)  General Rule
          ------------

          All Company Matching Contributions (other than those transferred from
          the Predecessor Plan) and Supplemental Company Contributions shall be
          invested in the Company Stock Fund, except as provided below.

     (b)  Change in Investment
          --------------------

          Any Participant, who is not an Early Terminee, and who has reached 
          his or her fifty-fifth (55th) birthday may make either (or both) of 
          the following elections:

          (i)  He or she may, upon not less than 15 days prior written notice 
               to the Committee, elect, effective as of the first day of the 
               next calendar quarter, to have all or part of his or her Company 
               Matching Contributions Account and/or his Supplemental Company
               Contributions Account transferred (in multiples of 10%) to one
               or more of the other funds, (other than the SpaceLabs Stock 
               Fund and the Company Stock Fund), based on the values of the 
               Account on the last day of the quarter immediately preceding 
               the date as of which the election is effective.  Only four 
               such elections may become effective in any calendar year.

          (ii) He or she may, upon not less than 15 days' prior written 
               notice to the Committee, elect, effective as of the first day 
               of the next calendar quarter, to have future Company Matching 
               Contributions and/or Supplemental Company Contributions made 
               on his behalf invested in any one or more of the funds (other 
               than the SpaceLabs Stock Fund) in the same manner as Before-
               tax and After-tax Contributions. Any election made hereunder 
               may be changed by similar written notice.

                                       31
<PAGE>
 
                                   SECTION 7

                         BENEFITS AND FORMS OF PAYMENT


7.1  Eligibility for Benefits
     ------------------------

     A Participant shall be eligible to receive a distribution of his or her
     Accounts, to the extent vested, upon retirement, becoming Disabled, or upon
     Termination of employment with the Company and any Affiliated Companies.  A
     Participant's Beneficiary shall be eligible to receive a distribution of
     the balance of the Participant's accounts upon the death of the
     Participant.

     Notwithstanding the foregoing, in the event a Participant again becomes an
     Employee before benefits commence, he or she shall no longer be eligible to
     receive a distribution.

     Also notwithstanding the foregoing, with respect to an individual who was a
     Participant in this Plan between June 25 and December 31, 1992 and whose
     Account balances were transferred to the SpaceLabs Medical, Inc. Incentive
     Savings and Stock Ownership Plan ("SpaceLabs Plan") in connection with the
     spin-off of that plan from this Plan, such individual's Account balances as
     of the date of such transfer shall be payable from the SpaceLabs Plan and
     shall not be payable from this Plan.

7.2  Time of Benefit Commencement
     ----------------------------

     (a)  Benefit Commencement
          --------------------

          Benefits shall be paid as soon as practical following a request for
          benefit commencement and determination of the amount of payment under
          subparagraph (b) below.  Participants and Beneficiaries may request
          benefit commencement as described below.

          (i)  Participant
               -----------

               A Participant who is eligible for benefits may request benefit
               commencement by written notice to the Committee.  Benefits may
               commence at any time following Termination and on or before the
               April 1 following the year in which the Participant attains or
               would have attained age 70-1/2.   If such a Participant fails to
               request benefit commencement, he or she shall be deemed to have
               requested that benefits commence on the April 1 following the
               year in which the Participant attains age 70-1/2.

          (ii) Beneficiary
               -----------

               A Beneficiary who is eligible for benefits may request benefit
               commencement by written notice to the Committee.  Benefits for a
               spouse

                                       32
<PAGE>
 
               Beneficiary may commence at any time after the Participant's
               death and on or before the Participant's Normal Retirement Date,
               calculated as if he or she had survived.  If a spouse Beneficiary
               fails to request benefit commencement, benefits shall commence on
               or immediately preceding the April 1 following the calendar year
               in which the Participant would have attained age 65 if he or she
               had survived.

               Benefits for a non-spouse Beneficiary shall not be contingent on
               receipt of a written request for benefit commencement, but shall
               commence as soon as practical following the end of the month
               which coincides with or next follows the date of the
               Participant's death.

     (b)  Amount of Payment
          -----------------

          With the exception of amounts invested in the Company Stock Fund or
          the SpaceLabs Stock Fund, the amount distributed shall be based on the
          Account balance determined as of the last Valuation Date on which the
          Accounts were valued, adjusted for earnings and losses since such
          date.

          If stock is distributed from the Company Stock Fund or the SpaceLabs
          Stock Fund, the number of shares distributed shall be the number of
          whole shares in the Participant's Account as of the date of
          distribution, with any fractional shares paid in cash based on the
          average of the high and low selling price on the day preceding the
          date of distribution.

          If stock held in the Company Stock Fund or the SpaceLabs Stock Fund is
          distributed in cash, the amount distributed shall be based on the
          price at which the stock held in the Participant's Accounts is sold,
          or, if the stock held in the Participant's Accounts is not sold, the
          average of the high and low selling price on the day preceding the
          date of distribution.

          The value of a distribution of the portion of the Participant's
          Accounts invested in the Company Stock Fund or SpaceLabs Stock Fund
          that is invested in cash shall be based on the Account balance
          invested in cash as of the last Valuation Date on which the Accounts
          were valued.

     (c)  Small Benefits
          --------------

          Notwithstanding any election to commence benefits or lack thereof, the
          Committee shall distribute a benefit which is $3,500 or less at the
          time benefits commence, in a lump sum as soon as practical following
          Termination of employment, death or becoming Disabled, without
          Participant or Beneficiary consent.

                                       33
<PAGE>
 
7.3  Form of Payment
     ---------------

     (a)  Participant
          -----------
 
          If a Participant terminates Service and the value of his Accounts (to
          the extent vested) exceeds $3,500, (a) his Accounts shall only be
          distributed prior to the Participant's attainment of age 65 if the
          Participant consents to the distribution, and (b) whether or not the
          Participant has attained age 65, he may irrevocably elect to receive
          his interest in the Plan in the form of a:

          (i)   lump sum, or

          (ii)  five, ten or fifteen annual installments, to be paid in cash
                only, on or after attaining age 65.

          (iii) with respect to the balance as of December 31, 1994 in a 
                Participant's account, if any, that were transferred from the
                Interspec, Inc. 401(k) Retirement/Savings plan, payments over
                a period certain in monthly, quarterly, semiannual, or annual
                cash installments.

          A Participant may not elect a period over which installment payments
          shall be made which is expected to exceed the joint life expectancy of
          the Participant and Beneficiary.
 
     (b)  Beneficiary
          -----------

          If the value of a deceased Participant's Accounts (to the extent
          vested) exceeds $3,500, the Beneficiary shall receive a lump sum
          payment unless the Beneficiary irrevocably elects in a written notice
          filed with the Committee no more than 30 days after the Participant's
          death to receive payment in the form of five annual installments, to
          be paid in cash only.  A spouse Beneficiary may elect five, ten or
          fifteen annual installments; provided, however, that such installments
          may not be paid over a period that extends beyond the life expectancy
          of the spouse Beneficiary and provided further that if distributions
          were deemed to have commenced under Section 7.2(a)(i) before a
          Participant's death (due to the Particiant's attainment of age 70-
          1/2), the remaining benefits will be distributed at least as 
          rapidly as under the method of distribution being used as of the date
          of the Participant's death.

7.4  Distributions of Stock
     ----------------------

     (a)  Distribution From Company Stock Fund
          ------------------------------------

          If the vested portion of a Participant's Accounts invested in the
          Company Stock Fund consists of less than 50 shares, payment shall be
          made in cash only.

                                      34
<PAGE>

          If the vested portion of a Participant's Accounts invested in the
          Company Stock Fund consists of 50 or more shares, disbursements of the
          shares held in the Accounts shall be made in full shares of Company
          Stock to the extent possible, with the balance, if any, paid in cash,
          unless the Participant or Beneficiary directs that all of the vested
          Account balance in the Company Stock Fund be paid in cash.

 
     (b)  Distribution from SpaceLabs Stock Fund
          --------------------------------------

          If the vested portion of a Participant's Accounts invested in the
          SpaceLabs Stock Fund consists of less than 50 shares, distribution
          shall be made in cash only.

          If the vested portion of a Participant's Accounts invested in the
          SpaceLabs Stock Fund consists of 50 or more shares, disbursements 
          from the SpaceLabs Stock Fund shall be made in full shares of 
          common stock of SpaceLabs Medical, Inc. to the extent possible, 
          with the balance, if any, paid in cash, unless the Participant or 
          Beneficiary directs that all of the vested Account balance in the 
          SpaceLabs Stock Fund be paid in cash.

7.5  Withdrawals Prior to Termination
     --------------------------------

     (a)  Time of Withdrawal
          ------------------

          A Participant may apply to the Committee for withdrawal of all or a
          portion of the following Accounts at the following times prior to
          Termination of employment.  The withdrawn amount shall be paid as soon
          as practical following a request for withdrawal and determination of
          the amount of payment in accordance with (f) below.

     (b)  Withdrawal of After-Tax Contributions and Investment Earnings
          -------------------------------------------------------------

          A Participant may withdraw 100% of the dollar amount of his or her
          After-Tax Contribution Account or any portion thereof that is an
          integral multiple of $100.

          A Participant may not make more than two withdrawals under this
          Section 7.5(b) during any calendar year.  No Company Matching
          Contributions will be made for two months following a withdrawal under
          this Section 7.5(b) unless the Participant has reached age 59-1/2.

     (c)  Withdrawal of Company Contributions and Related Investment Earnings
          -------------------------------------------------------------------

          A Participant who is 59-1/2 or has participated in the Plan for five
          years, who has withdrawn (or is simultaneously withdrawing) 100% of
          his or her After-Tax Contributions Account (if any) and Rollover 
          Account (if any), and whose interest in his or her Company Matching 
          and Supplemental Contribution Accounts is fully vested, may 
          withdraw 100% of the balance in the Company Contribution Account 
          or any portion thereof that is an integral multiple of $100.  
          A Participant may not 

                                      35


          make more than one withdrawal under this Section 7.5(c) during any 
          calendar year.  No Company Matching Contributions will be made for 
          12 months following a withdrawal under this Section 7.5(c) unless 
          the Participant has reached age 59-1/2.

 
     (d)  Withdrawal of Before-Tax Contributions
          --------------------------------------

          A Participant may withdraw all or a portion of his or her Before-Tax
          Contribution Account if he or she has reached age 59-1/2. A
          Participant may also apply for a hardship withdrawal from his or her
          Before-Tax Contribution Account as provided in Section 7.6 below.

     (e)  Withdrawal of Rollover Contributions
          ------------------------------------

          A Participant may withdraw all or a portion of his or her Rollover
          Contribution Account.

     (f)  Withdrawal Procedure
          --------------------

          Withdrawals may be made as of the last day of any month by filing a
          notice in writing with the Committee at least 15 days prior to such
          date.  Any amount withdrawn hereunder shall be paid in cash only, in a
          lump sum as promptly as possible after the applicable date.

          The amount distributed shall be based on the value of the
          Participant's Accounts on the effective date of the withdrawal, except
          that the amount of a withdrawal representing shares held in the
          Company Stock Fund or SpaceLabs Stock Fund shall be based on the price
          at which the shares are sold, or, if the shares are not sold, the
          average of the high and low selling price on the date preceding the
          date of the distribution.

     (g)  Investment Funds and Withdrawals
          --------------------------------

          A Participant who makes a partial withdrawal of any of his or her
          Accounts may request that the withdrawal be made from a specified fund
          or funds.  Should the Participant's Account in the specified fund or
          funds prove to be inadequate to provide the amount of the required
          withdrawal, the remainder of the withdrawal shall be made from the
          Participant's Accounts in the other funds in an order of preference
          designated by the Participant.  Should the Participant fail to
          designate a preference, the Trustee shall make the withdrawal from
          each of the funds on a pro-rata basis.

     (h)  Restrictions on Withdrawals by Early Terminees
          ----------------------------------------------

          In no event shall an Early Terminee be permitted to withdraw his
          Accounts prior to attaining age 65, unless he elects to withdraw 100%
          of his or her vested balance in all Accounts.

                                       36
<PAGE>
 
7.6  Hardship Withdrawal
     -------------------

     (a)  Amounts
          -------

          A Participant who has withdrawn (or is simultaneously withdrawing)
          100% of his After-Tax Contribution Account (if any), his Company
          Matching and Supplemental Contribution Accounts (if he is fully vested
          and therefore eligible to do so) and his Rollover Account (if any) may
          apply to the Committee for a hardship withdrawal prior to Termination
          of employment and age 59-1/2 of his or her:

          (i)  Before-Tax Contribution Account balance as of December 31, 1988,
               and

          (ii) Before-Tax Contributions after December 31, 1988, excluding
               earnings thereon.

     Provided however, that a Participant may not withdraw more than the
     amount necessary to meet the expense that causes hardship, and, in the
     event that a loan is outstanding, the amount specified above that exceeds
     the amount pledged as collateral for the loan.

     (b)  Availability
          ------------

          All hardship withdrawals are subject to Committee approval.  A
          hardship withdrawal shall only be approved if it is for a specific
          type of expense and if it is necessary to satisfy such expense.

     (c)  Hardship Expenses
          -----------------

          Hardship withdrawals are available only to pay for the following
          expenses (including any penalties and taxes incurred as a result of
          the hardship distribution):

          (i)  expenses for medical care described in Code Section 213(d)
               incurred by the Participant or his or her spouse or dependents
               (as defined in Code Section 152), or amounts necessary for such
               person to obtain such medical care;

          (ii) purchase (excluding mortgage payments) of a principal residence
               for the Participant;

          (iii)tuition and related educational fees and room and board expenses
               for the next twelve months of post-secondary education for the 
               Participant, his or her spouse, children, or dependents;

          (iv) preventing eviction of the Participant from his or her principal
               residence or foreclosure on the mortgage of the Participant's
               principal residence;

                                       37
<PAGE>

          (v)  repair to the Participant's primary home to prevent decline in
               value;

          (vi) repair to the Participant's primary vehicle used for commuting to
               and from work;
 
          (vii)  legal expenses incident to the divorce of the Participant and
                 expenses of the Participant's establishing a new home after a
                 divorce;

          (viii) expenses related to involuntary loss of employment or
                 reduction of work hours by the Participant's spouse; and

          (ix)   expenses of debt consolidation.

          A hardship withdrawal will be available for an expense listed in (v)
          through (ix) above only if the expense constitutes an immediate and
          heavy financial need.

     (d)  Determination of Necessity
          --------------------------

          A distribution shall be deemed to be necessary to satisfy an expense
          described in 7.6 above if both of the following requirements are
          satisfied:

          (i)  the distribution is not in excess of the amount of such expense
               (including any excise tax or income tax liability arising from
               the distribution); and

          (ii) the Participant has obtained all distributions (other than
               hardship distributions), and all nontaxable loans currently
               available under all plans maintained by the Participating
               Company.

     (e)  Other Requirements
          ------------------

          A hardship distribution shall be deducted first from the category of
          available amounts described in (a)(ii) herein and then from the
          category of available amounts described in (a)(i) herein.

          The Participant shall enter into a written agreement not to make or
          elect Before-Tax or After-Tax contributions to this or any other
          qualified retirement plan or non-qualified deferred compensation plan
          maintained by the Company  for twelve (12) months after a hardship
          withdrawal.  Following a 12-month suspension, the Participant may
          resume contributions pursuant to Section 3.2. In addition, the
          Participant may not make a Before-Tax Contribution to the Plan or any
          other Section 401(k) plan maintained by the Company for the
          Participant's taxable year immediately following the taxable year of
          the hardship withdrawal, in excess of Before-Tax Contributions
          allowable in Section 3.1 for the next taxable year less the amount of
          such Participant's Before-Tax Contributions for the taxable year of
          the hardship withdrawal.

                                      38
<PAGE>

          Notwithstanding the foregoing, a Participant whose contributions have
          been suspended for twelve months due to a hardship withdrawal shall be
          deemed to be an Eligible Employee for purposes of the ADP test in
          Section 3.4, ACP test in Section 4.3, and multiple use test in Section
          4.4.

7.7  Beneficiary Designation
     -----------------------

     If payments are made to a designated Beneficiary in reasonable reliance on
     (i) a written statement by the Participant that he or she was not married,
     or (ii) a spousal consent that appeared to conform to the requirement in
     Section 1.5, or (iii) evidence that the spouse could not be located at the
     time of the Beneficiary designation, then, to the extent of such payments,
     the Plan shall have no liability to a spouse.

7.8  Loans
     -----

     (a)  General
          -------

          Effective April 1, 1995, a Participant who is a "party-in-interest"
          under ERISA may apply to the Committee for a loan from his or her
          vested Accounts, other than the Participant's Company Matching
          Contribution Account and other than amounts invested in the Company
          Stock Fund and the SpaceLabs Stock Fund.  The Committee has
          authority to administer all loans, and shall administer loans in a
          manner that does not discriminate in favor of Highly Compensated
          Employees, officers or shareholders.  The Committee shall approve
          all loans that meet the requirements set forth in this section.

          For recordkeeping purposes, the loan amount shall be deducted
          from the Participant's Accounts in the following order:

          (i)    from the Rollover Account;

          (ii)   from the After-tax Contnribution Account; and

          (iii)  from the Before-tax Contribution Account.

          In the event that the amount in an Account exceeds the amount 
          needed to fund the loan and the Account is invested in more than
          one fund, the loan amount shall be deducted from the investment
          funds in which the Account is invested (other than the Company
          Stock Fund and the SpaceLabs Stock Fund) in the same proportion that
          the Account is invested in each fund.

          Only one loan may be outstanding at any time, and all loans must
          be secured by the Participant's Accounts.

          A Participant must submit a loan request to the Committee.  Loan
          documents, including a promissory note, will be provided to the
          Participant in response to the 

                                   39
<PAGE>

          loan request.  A loan request expires 30 days after it is made.  
          If the loan request is not approved before it expires, 
          the Participant may make another loan request.  Loan proceeds shall 
          not be dispersed unless a promissory note, authorization of payroll 
          deduction of loan repayments, consent of the Particpant's spouse 
          (if any), and any other loan documents in the form approved by the 
          Committee are executed by the Participant and the Participant's 
          spouse (if any).

     (b)  Loan Fee
          -------

          A loan fee of $100 will be charged for each loan to pay the Plan's 
          cost of administering loan repayments.  The loan fee will be added 
          to the amount of the loan.

     (c)  Hardship Loan
          -------------

          In no event shall a loan be approved unless the loan is for the
          payment of one or more of the hardship expenses listed in Section
          7.6, and the amount of the loan does not exceed the amount necessary
          to satisfy the hardship expense and to pay the loan fee.

     (d)  Minimum and Maximum Loan Amounts
          --------------------------------

          The minimum amount which may be borrowed is $1,000.  In no event
          shall a loan at the time it is made, when added to the outstanding
          balance of any other loans from any Employer-sponsored plan, 
          exceed the lesser of:

          (i)  50 percent of the total vested Account balance as of the
               Valuation Date immediately preceding the date of the loan
               application;

          (ii)  $50,000 reduced by the excess (if any) of:

                (1)  the highest outstanding loan balance during the one-year
                     period ending on the day before the date on which the
                     current loan is made; over

                (2)  the outstanding loan balance (if any) on the date on
                     which the current loan is made; or

                (3)  100 percent of the total vested Account balance invested
                     in funds other than the Company Stock Fund and SpaceLabs
                     Stock Fund.

     (e)  Repayments
          ----------

          The Participant may elect to repay the loan over any whole-year term
          which does not exceed 5 years; except that the term for a loan used
          to purchase a primary residence for the Participant may be as long 
          as 20 years.

                                       40
<PAGE>

          Once the loan is made, the repayment term may not be changed,
          provided however, that the Participant may elect to prepay the
          full outstanding loan balance at any time during the repayment
          term.  All loans shall be repaid in level payments in an amount
          no less than $12.50, and except as otherwise provided in this
          Section, shall be made through payroll deduction each pay period
          until the loan is repaid.  Loan repayments are due each pay period
          and are considered made when received by the Plan.  Payroll
          deductions shall commence with the first pay period following
          the loan distribution.  New financing or refinancing of an
          outstanding loan is not permitted.

          Loan repayments for a Participant:

          (i)    who is on an approved, unpaid leave of absence;

          (ii)   who dies, or

          (iii)  whose employment terminates involuntarily due to layoff
                 or reduction in force

          shall be suspended, provided that the period of suspension does not
          exceed one year and does not exceed the maximum repayment period
          stated above.  Upon return to Service following a period of loan
          repayment suspension, the remaining loan balance shall be 
          reamortized over the remaining loan period, and the amount of
          the remaining repayments shall be adjusted accordingly.

          Each repayment shall be credited to each Account of the 
          Participant in the same porportion that amounts were deducted
          from each Account to fund the loan.  Repayments will be
          invested in the investment funds (other than the Company Stock
          Fund and the SpaceLabs Stock Fund) in the same manner as new
          contributions are invested.  If new contributions are not being
          made, the Participant will be required to direct investment of
          the loan repayments pursuant to Section 6.

     (f)  Interest Rate
          -------------

          A fixed reasonable rate of interest shall be charged for the term
          of the loan.  The interest rate shall be the prime corporate
          lending rate offered by local commercial lending institutions on the
          day on which the loan request is made; provided that the completed
          loan documents are received by the Committee no later than 30 days
          after the date of the loan request.  Notwithstanding the preceding
          sentence, if the Committee determines that such rate is not
          reasonable, the interest rate shall be another rate which the
          Committee determines is reasonable considering the prevailing
          interest rate charged on similar commercial loans by persons in the
          business of lending money, current economic conditions, and the
          facts and circumstances of the loan application.

                                      41
<PAGE>

          In the event the reasonable interest rate determined by the 
          Committee under the preceding paragraph would violate usury laws,
          the Committee shall deny the loan application.

     (g)  Default
          -------

          A loan shall be in default if:

          (i)    a loan repayment remains unpaid for thirty (30) days after
                 the due date for the repayment;

          (ii)   the Participant's pay is insufficient during any pay period
                 to cover the entire amount of the loan repayment;

          (iii)  the Participant revokes the authorization for payroll
                 deduction of loan repayments; or

          (iv)   distribution to an alternate payee pursuant to a Qualified
                 Domestic Relations Order under Section 11.9 of any amount
                 that secures the outstanding loan balance as of the date of
                 distribution.

          If a loan is in default, the outstanding loan balance becomes 
          immediately due and payable in full, and the Plan shall forclose
          upon the Participant's Account balance to the extent of the 
          outstanding loan balance as of the earliest date on which the
          Participant is eligible for a distribution from the Plan.  The
          outstanding loan balance shall be treated as a distribution for
          federal income tax purposes for the year in which the default
          occurs. 

             

7.9  Directed Rollovers
     ------------------

     (a)  General Rule
          ------------

          A Participant, spouse Beneficiary or former spouse alternate payee
          (each referred to as a "distributee") who is entitled to or elects 
          a lump sum distribution or annual installments over a period of 
          less than ten (10) years or obtains a hardship withdrawal 
          may direct the Committee to pay part or all of the benefit to a 
          trustee or custodian of another employer's qualified plan which 
          accepts such directed rollovers or an individual retirement
          account (IRA), subject to the following provisions:

          (i)  A distributee may only direct such a rollover if the expected 
               benefit payment during the Plan Year is $200 or more;

          (ii) A distributee may not request a directed rollover of an amount 
               distributed due to the minimum required distribution provision 
               under Section 11.6(b);
     
                                     42
<PAGE>

          (iii)the Rollover of a distribution may only be directed to no more 
               than two (2) qualified plans, two (2) IRAs, or one (1) IRA and 
               one (1) qualified plan;

          (iv) A distributee may direct the rollover of a portion of the 
               distribution and elect to receive the remaining portion of
               a distribution only if the rollover amount is at least $200;

          (v)  A distributee may not elect a direct rollover of an outstanding
               loan balance which is treated as distributed upon termination
               of the Participant's employment, or in the event of default;

         (vi) A rollover direction regarding installments shall apply to all
               installments, unless the direction is changed by the Participant
               or Beneficiary;

         (vii) A spouse Beneficiary or a former spouse alternate payee may 
               direct a rollover under the same terms and conditions as a 
               Participant, except that such Beneficiary may only direct a 
               rollover to an IRA;

        (viii) A distributee provides the information or documentation 
               reasonably requested by the Committee.

     (b)  Notice to Participants
          ----------------------

          The Committee shall furnish each Participant and Beneficiary and 
          alternate payee eligible for a directed rollover under this Section 
          with a written explanation of the directed rollover opportunity and 
          related withholding consequences of not choosing a directed 
          rollover within a reasonable period (at least thirty (30) but not 
          more than ninety (90) days) prior to the Annuity Starting Date; 
          provided, however, notice recpient may waive in writing the thirty 
          (30) day period.

                                       43
<PAGE>
 
                                   SECTION 8

                                    VESTING


8.1  Vesting
     -------

     (a)  Participant Before-Tax Contribution Account, After-tax Contribution
          -------------------------------------------------------------------
          Account and Rollover Account
          ----------------------------

          Each Participant shall have a 100% vested, nonforfeitable right to 
          his or her Before-Tax Contribution Account, After-Tax Contribution 
          Account and Rollover Account.

     (b)  Company Matching and Supplemental Contribution Accounts
          -------------------------------------------------------

          Each Participant shall earn a vested, nonforfeitable right to his or
          her Company Matching Contribution Account and Supplemental Company
          Contribution Account based on his or her Period of Service multiplied
          by the appropriate vesting percentage in accordance with the following
          table:

<TABLE>
<CAPITION>

               Period of Service    Percent Vested
               -----------------    --------------
               <S>                  <C>
               Less than 1 year           0%
               1 year                    20%
               2 years                   40%
               3 years                   60%
               4 years                   80%
               5 years or more          100%
</TABLE>

          Notwithstanding the preceding, a Participant who has completed, as
          of July 1, 1991, at least three Years of Service with Interspec, 
          Inc. shall have a 100 percent vested nonforfeitable right to his
          or her Company Matching Contribution Account.  For purposes of the
          preceding sentence "Years of Service" has the same meaning as the 
          term defined under the Interspec, Inc. 401(k) Retirement/Savings
          Plan.

          In addition, each Participant shall have a 100% vested, nonforfeitable
          right to his or her Company Matching Contribution Account and
          Supplemental Company Contribution Account upon death, becoming
          Disabled, or attainment of his or her Normal Retirement Date, provided
          he or she is an Employee on such date.

          In the event the Participant has received a prior distribution from
          his or her Company Matching or Supplemental Contribution Accounts, the
          vested portion of the Account balance (including the amount which may
          yet be restored pursuant to Section 8.2) following the distribution
          shall be determined by application of the following formula:

                                    44
<PAGE>

                              X = P(AB+D) - D;

          where X equals the vested amount; P equals the Employee's vested
          interest in the Company Matching Contribution Account or Supplemental
          Company Contribution Account at the time of subsequent distribution;
          AB equals the balance of the Account at the time of subsequent
          distribution; and D equals the amount previously distributed from the
          Company Matching or Supplemental Contribution Account.
 
          Notwithstanding the foregoing, this formula does not apply if the
          Participant has repaid the prior distribution pursuant to Section
          8.3(b).  Also, the formula does not apply if the prior distribution
          may not be repaid because the Participant has incurred five or more
          consecutive one year Periods of Severance, or because five years or
          more have elapsed since the date of reemployment.

8.2  Forfeitures
     -----------

     If a Participant terminates Service and is not fully vested in his 
     Accounts attributable to Company Contributions in accordance with 
     Section 8.1(b) the Participant shall forfeit his or her unvested 
     interest in such Accounts as of the last day of the month during which 
     his or her Service terminated.  Amounts held in a Participant's Accounts 
     attributable to Company Contributions which are thus forfeited shall be 
     applied first to restore Accounts as provided below, and then to reduce 
     subsequent contributions by the Participant's Participating Company, 
     based on the Current Market Value of such shares as of the date
     forfeited, where applicable, provided, however, if the Plan should be
     terminated, or contributions thereunder permanently discontinued, an 
     amount not previously so applied shall be credited on a pro-rata basis 
     to the Accounts of all Participants in the Company Stock Fund.  Each 
     year the Committee shall determine in its sole discretion whether 
     forfeitures shall be applied to reduce Company Matching Contributions or 
     Supplemental Contributions or both.

     If such Participant returns to Service before suffering five consecutive
     one year Periods of Severance, the amount forfeited shall be restored as of
     the last day of the Plan Year in which the Participant returns to Service
     and repays in full any prior distribution, if any, according to Section
     8.3.

     Assets to restore amounts forfeited shall be taken first from current
     forfeitures.  In the event that current year forfeitures are inadequate to
     fully reinstate the Account, the Participating Company shall make a
     contribution in addition to the contributions required under Section 4.1
     equal to the balance necessary to fully reinstate the Account.

                                       45
<PAGE>

8.3  Reemployment
     ------------
 
     (a)  Periods of Service
          ------------------

          If a Terminated Employee later becomes a Participant again following
          reemployment, all Periods of Service before and after the Period of
          Severance shall be taken into account in determining the Participant's
          vested interest in the Company Matching and Supplemental Contribution
          Accounts established upon reemployment.

     (b)  Repayment
          ---------

          If a Participant forfeited a portion of his or her Company Matching
          and Supplemental Contribution Accounts upon termination and he or she
          returns to Service after receiving a distribution and prior to
          incurring a five-year Period of Severance, the Participant may 
          elect to repay the amount previously distributed from his or her 
          Company Matching and Supplemental Contribution Accounts.  Such 
          Participant may elect to repay his or her prior distribution 
          before five years after the date of reemployment. The forfeited 
          amount shall be restored upon such repayment pursuant to Section 
          8.2.  Amounts repaid shall be 100% vested and shall be invested in 
          accordance with Section 6.3.  Such amounts shall be held in the 
          Participant's After-Tax Contribution Account if they are repaid
          with After-tax amounts, and shall be held in the Participant's 
          Before-Tax Contribution Account if they are repaid with Before-
          tax amounts transferred or rolled over from another qualified plan 
          or IRA.

     (c)  Restoration of Forfeitures
          --------------------------

          If a Participant forfeited a portion of his or her Company Matching
          and Supplemental Contribution Accounts but did not receive a
          distribution of the vested portion of such Accounts prior to
          reemployment, and he or she returns to Service prior to incurring a
          five-year Period of Severance, the forfeited amount shall be
          reinstated as of the last day of the Plan Year in which reemployment
          occurs.

8.4  Suspension of Installment Payments
     ----------------------------------

     In the event that any person shall resume Service after a previous
     termination of Service, installment payments being made to him (if any)
     shall be suspended.  In the event of such suspension, the amount held in
     his Accounts at the time of his resumption of Service shall remain to his
     credit on a fully vested basis, notwithstanding any other provision in the
     Plan to the contrary.

                                       46
<PAGE>
 
                                   SECTION 9

                          LIMITATION ON CONTRIBUTIONS


9.1  Maximum Annual Contribution to the Plan
     ---------------------------------------

     For purposes of this Section 8, the Company and any Affiliated Companies
     shall be considered a single employer, to the extent required by the Code.

     (a)  Primary Rule
          ------------

          Notwithstanding any other Plan provision to the contrary, the Annual
          Additions to a Participant's Accounts in this Plan and any other
          defined contribution plan maintained by the Company shall not exceed
          the lesser of (i) $30,000 (or 25% of the Code Section 415 defined
          benefit dollar limitation if greater), or (ii) 25% of the
          Participant's Compensation.

     (b)  Annual Additions Defined
          ------------------------

          For purposes of Section 8, the term "Annual Additions" for any
          Participant in any Plan Year means the sum of:

          (i)  the amount of Company Contributions and Participant Before-Tax
               and After-Tax Contributions allocated to a Participant's
               Accounts;

          (ii) forfeitures allocated to the Participant's Accounts; and

          (iii)with respect only to the $30,000 limitation, amounts
               attributable to retiree medical benefits on behalf of a key
               Employee in a separate account in a welfare fund subject to Code
               Section 419A.

     (c)  Cost-of-Living Adjustment
          -------------------------

          The $30,000 (or 25% of the Code Section 415 defined benefit dollar
          limitation if greater) limit prescribed above shall be automatically
          adjusted for cost-of-living increases, to the maximum permissible
          dollar limitation determined by the Commissioner of Internal Revenue.
          The dollar amount applicable in computing the maximum contribution for
          any Participant shall be the dollar amount in effect for the calendar
          year in which the contribution is made.

     (d)  Remedy
          ------

          If for any Plan Year the Annual Additions exceed the foregoing
          limitations because of a reasonable error in determining the amount of
          a Participant's Before-Tax Contributions, the Plan Administrator shall
          distribute the amount of Before-Tax 

                                       47
<PAGE>
          Contributions in excess of the limits.  If the Annual Additions 
          exceed the limits for any other reason, the Company shall allocate 
          the excess to a suspense account.  The suspense account shall be 
          credited with investment earnings and losses as of each Valuation 
          Date in the same manner as Participant Accounts pursuant to Section 
          5.3.  Such suspense account is for accounting purposes only and 
          shall remain in the Trust Fund to be reallocated as provided below.  
          Contents of the suspense account shall be allocated to the affected 
          Participant's Account in subsequent years when that can be done 
          without exceeding the limitations of this Section 9.1.  So long as 
          any amount remains in the suspense account, the Company shall not 
          contribute to the Plan any amount which would cause an additional 
          allocation to the suspense account.  In the event the Participant 
          ceases to be a Participant when any amount remains in a suspense 
          account, such amount shall be reallocated to active Participants 
          as of the end of the Plan Year following the calendar year in which 
          he or she ceases to be a Participant.  In the event the Plan 
          terminates before any amount remaining in the suspense account has 
          been fully allocated to Participant Accounts, the balance of the 
          suspense account shall be distributed to the Company.

          If any Participant is also a participant in another employee 
          retirement plan that (a) is a defined contribution plan within the 
          meaning of section 414(i) of the Code and (b) is sponsored by the 
          Company or an Affiliated Company, the foregoing limitations shall 
          be applied on an aggregate basis. Any reduction required to conform 
          to such limitations shall first be made (pro rata) in contributions 
          by the Participant under the plans involved; and a pro-rata 
          reduction shall then be made in the contributions by the Affiliated 
          Companies (including forfeitures) allocable to the Participant under 
          the plans involved.

9.2  Additional Limitation Relating to Defined Benefit Plans
     -------------------------------------------------------

     (a)  Primary Rule
          ------------

          For Participants who participate in this Plan and a defined benefit
          plan maintained by the Company, the sum of (1) and (2) below for any
          calendar year may not exceed 1.0, as determined by the Committee.

          (i)  The defined benefit plan fraction for any year is equal to the
               quotient of (i) divided by (ii) below expressed as a fraction:

               (1)  The projected annual benefit, (determined by projecting
                    service, but not earnings, to normal retirement age) of the
                    Participant under the Plan determined as of the close of the
                    year.

               (2) The lesser of:  (a) 1.25 multiplied by the dollar limitation
                    in effect for defined benefit plans under Section 415 of the
                    Code for such year, or (b) 1.4 multiplied by 100% of the
                    Participant's average annual Compensation from the Company
                    for the consecutive calendar years (not in excess of three
                    such years) during which he 

                                       48
<PAGE>

                    was an active Participant in the Plan and for which such 
                    average is highest.

 
          (ii)  The defined contribution plan fraction for any year is equal to
               the quotient of (i) divided by (ii) below expressed as a
               fraction:

               (1)  The sum of the Annual Additions to the Participant's
                    Accounts for the current year, as of the close of the year,
                    and for all prior years from and after the Employment
                    Commencement Date.

               (2) The sum of the lesser of the following amounts for such year
                    and for each prior year of Service with the Company
                    (regardless of whether a plan was in existence during those
                    years):  (a) 1.25 multiplied by the dollar limitation in
                    effect for defined contribution plans under Section 415 of
                    the Code for such year, or (b) 1.4 multiplied by 25% of a
                    Participant's Compensation for such year.

     (b)  Remedy
          ------

          If such sum exceeds 1.0, the Annual Additions to this defined
          contribution Plan shall be reduced to the extent necessary to satisfy
          the limitations of this section.

                                       49
<PAGE>
 
                                   SECTION 10

                              TOP HEAVY PROVISIONS

10.1 Scope
     -----

     Notwithstanding any Plan provision to the contrary, for any Plan Year in
     which the Plan is Top Heavy within the meaning of Section 416(g) of the
     Code, the provisions of this Section 10 shall govern to the extent they
     conflict with or specify additional requirements to the Plan provisions
     governing Plan Years which are not Top Heavy.

10.2 Top Heavy Status
     ----------------

     (a)  Top Heavy
          ---------

          This Plan shall be "Top Heavy" if, as of the Determination Date, (1)
          the Present Value of Accrued Benefits of Key Employees, or (2)  the
          sum of the Aggregate Accounts of Key Employees under this Plan and any
          plan of an Aggregation Group, exceeds sixty percent (60%) of the
          Present Value of Accrued Benefits or the Aggregate Accounts of all
          Participants under this Plan and any plan of an Aggregation Group,
          determined in accordance with Code Section 416(g) and regulations
          thereunder.

          The Present Value of Accrued Benefits and/or Aggregate Account balance
          of a Participant who was previously a Key Employee but is no longer a
          Key Employee (or his or her Beneficiary), shall not be taken into
          account for purposes of determining Top Heavy status.  Further, a
          Participant's Present Value of Accrued Benefits and/or Aggregate
          Account balance shall not be taken into account if he or she has not
          performed services for the Affiliated Companies at any time during the
          five year period ending on the Determination Date.

     (b)  Super Top Heavy
          ---------------

          This Plan shall be "Super Top Heavy" if, as of the Determination Date,
          (1)  the Present Value of Accrued Benefits of Key Employees, or (2)
          the sum of the Aggregate Accounts of Key Employees under this Plan and
          any plan of an Aggregation Group, exceeds ninety percent (90%) of the
          Present Value of Accrued Benefits or the Aggregate Accounts of all
          Participants under this Plan and any plan of an Aggregation Group.

     (c)  Determination Date
          ------------------

          Whether the Plan is Top Heavy for any Plan Year shall be determined as
          of the Determination Date.  "Determination Date" means (a)  the last
          day of the preceding Plan Year, or (b)  in the case of the first Plan
          Year, the last day of such Plan Year.

                                       50
<PAGE>
 
     (d)  Valuation Date
          --------------

          "Valuation Date" means, for purposes of determining Top Heaviness, the
          Determination Date instead of the meaning set forth in Section 1.

     (e)  Aggregate Account
          -----------------

          "Aggregate Account" means, with respect to a Participant, the sum of:

          (i)  his or her account balances as of the Valuation Date;

          (ii) contributions after the Valuation Date due as of the
               Determination Date;

          (iii)distributions prior to the Valuation Date, made during the Plan
               Year that contains the Determination Date and the four preceding
               Plan Years.

     (f)  Present Value of Accrued Benefits
          ---------------------------------

          The "Present Value of Accrued Benefits" with respect to a defined
          benefit plan shall be based upon the Participant's accrued benefits
          and the actuarial assumptions as determined under the provisions of
          the applicable defined benefit plan.

     (g)  Key Employee
          ------------

          "Key Employee" means an Employee or former Employee (and his or her
          Beneficiaries) who, at any time during the Plan Year containing the
          Determination Date or any of the four preceding Plan Years, is
          included in one of the following categories as within the meaning of
          Section 416(i)(l) of the Code and regulations thereunder:

          (i)  an officer of the Company whose annual aggregate Compensation
               from the Affiliated Companies exceeds 50% of the dollar
               limitation under Code Section 415(b)(1)(A) ($59,400 for the Plan
               Year ending in 1994), provided that no more than 50 Employees
               shall be considered officers, or if less, the greater of 10% of
               the Employees or 3,

          (ii) one of the ten Employees owning the largest interest in the
               Company who owns more than a 0.5% interest of the Company, and
               whose annual aggregate Compensation from the Affiliated Companies
               exceeds the dollar limitation under Section 415(c)(1)(A) of the
               Code ($30,000 for the Plan Year ending in 1994).

          (iii)an Employee who owns more than 5% of the Company, or

                                       51
<PAGE>
 
          (iv) an Employee who owns more than 1% of the Company with annual
               aggregate Compensation from the Affiliated Companies that exceeds
               $150,000.

     (h)  Aggregation Group
          -----------------

          "Aggregation Group" means the group of plans that must be considered
          as a single plan for purposes of determining whether the plans within
          the group are Top Heavy (Required Aggregation Group), or the group of
          plans that may be aggregated for purposes of Top Heavy testing
          (Permissive Aggregation Group).  The Determination Date for each plan
          must fall within the same calendar year in order to aggregate the
          plans.

          (i)  The Required Aggregation Group includes each plan of the
               Affiliated Companies in which a Key Employee is a participant in
               the Plan Year containing the Determination Date or any of the
               four preceding Plan Years, and each other plan of the Affiliated
               Companies which, during this period, enables any plan in which a
               Key Employee participates to meet the minimum participation
               standards or non-discriminatory contribution requirements of Code
               Sections 401(a)(4) and 410.

          (ii) A Permissive Aggregation Group may include any plan sponsored by
               an Affiliated Company, provided the group as a whole continues to
               satisfy the minimum participation standards and non-
               discriminatory contribution requirements of Code Sections
               401(a)(4) and 410.

          Each plan belonging to a Required Aggregation Group shall be deemed
          Top Heavy, or non-Top Heavy in accordance with the group's status.  In
          a Permissive Aggregation Group that is determined Top Heavy only those
          plans that are required to be aggregated shall be Top Heavy.  In a
          Permissive Aggregation Group that is not Top Heavy, no plan in the
          group shall be Top Heavy.

10.3 Minimum Contribution
     --------------------

     (a)  General Rule
          ------------

          For any Plan Year in which the Plan is Top Heavy, the total Company
          contribution under Section 4.1 and any forfeitures allocated to any
          non-key Participant's account shall not be less than 3% of such
          Participant's Compensation.  Participant contributions under Section
          4.1(a) are not considered when determining whether this 3% requirement
          is satisfied.  However, in the event the Company contributions and
          forfeitures allocated to each Key Employee's account do not exceed 3%
          of his or her Compensation, such Company contributions and forfeitures
          for non-Key Employees are only required to equal the highest
          percentage of Compensation, including Participant Before-Tax
          Contributions under Section 4.1(a), allocated to

                                       52
<PAGE>
 
          any Key Employee's accounts for that Plan Year under any defined 
          contribution plans sponsored by the Affiliated Companies.

          The minimum contribution must be made on behalf of all non-Key
          Participants who are employed on the last day of the Plan Year
          including non-Key Employees who (1)  failed to complete a year of
          service, or (2)  declined to make any mandatory contributions to the
          Plan or enter a salary deferral agreement.

     (b)  Special Two Plan Rule
          ---------------------

          Where this Plan and a defined benefit plan belong to an Aggregation
          Group that is determined Top Heavy, the minimum contribution required
          under paragraph (a) above shall be increased to 5%.

10.4 Limitation to Annual Additions in Top Heavy Plan
     ------------------------------------------------

     For any Top Heavy Plan Year in which the Company does not make the extra
     minimum allocation provided below, 1.0 shall replace the 1.25 factor found
     in the denominators of the defined benefit and defined contribution plan
     fractions for purposes of calculating the combined limitation on benefits
     under a defined benefit and defined contribution plan pursuant to Section
     415(e) of the Code (see Section 9.3).

     If this Plan is Top Heavy, but is not Super Top Heavy, the above referenced
     fractions shall remain unchanged provided the Company makes an extra
     minimum allocation for non-Key Participants.  The extra allocation (in
     addition to the minimum contribution set forth in Section 10.3) shall equal
     at least one percent (1%) of a non-Key Participant's compensation (or
     2-1/2% if Section 10.3(b) applies).

10.5 Vesting
     -------

     For any Top Heavy Plan Year, a Participant's Accounts shall remain subject
     to the vesting provisions in Section 8.1.

                                       53
<PAGE>
 
                                   SECTION 11

                           ADMINISTRATION OF THE PLAN


11.1 Plan Administrator
     ------------------

     The Plan Administrator and named fiduciary shall be the Company.  The 
     Compensation Committee of the Board of Directors shall appoint a 
     Committee composed of one or more persons which shall carry out the 
     general administration of the Plan.  Every member of the Committee shall 
     be deemed a fiduciary.  No Committee member who is an Employee shall 
     receive compensation with respect to his or her service on the 
     Committee.  Any member of the Committee may resign by delivering 
     written resignation to the Compensation Committee of the Board of 
     Directors of the Employer and to the Committee.  The Compensation 
     Committee of the Board of Directors may remove or replace any member of 
     the Committee at any time.

11.2 Organization and Procedures
     ---------------------------

     The Compensation Committee of the Board of Directors shall designate 
     a chairman from the members of the Committee.  The Committee
     shall appoint a secretary, who may or may not be a member of the Committee.
     The secretary shall have the primary responsibility for keeping a record of
     all meetings and acts of the Committee and shall have custody of all
     documents, the preservation of which shall be necessary or convenient to
     the efficient functioning of the Committee.  The chairman of the Committee
     shall be the agent of the Plan for service of process.  All reports
     required by law may be signed by the chairman or another member of the
     Committee designated by the Committee, on behalf of all members of the
     Committee.

     The Committee shall act by a majority of its members in office, and such 
     actions may be taken by a vote at a meeting or in writing without a 
     meeting.  The Committee may adopt such by-laws and regulations as it 
     deems desirable for the conduct of its affairs.

11.3 Duties and Authority of Committee
     ---------------------------------

     (a)  Administrative Duties
          ---------------------

          The Committee shall administer the Plan in a non-discriminatory manner
          for the exclusive benefit of Participants and their Beneficiaries.
          The Committee shall perform all such duties as are necessary to
          supervise the administration of the Plan and to control its operation
          in accordance with the terms thereof, including, but not limited to,
          the following:

          (i)  Make and enforce such rules and regulations as it shall deem
               necessary or proper for the efficient administration of the Plan,
               including authorizing an 

                                      54
<PAGE>
               Interactive Voice Response System in addition to or in lieu of 
               written notification required under the Plan;

          (ii) Interpret the provisions of the Plan and resolve any question
               arising under the Plan, or in connection with the administration
               or operation thereof;
 
          (iii)Make all determinations affecting the eligibility of any
               Employee to be or become a Participant, Beneficiary or alternate
               payee pursuant to a domestic relations order (including 
               determining the qualified status of a domestic relations order);

          (iv) Determine eligibility for and amount of retirement benefits for
               any Participant;

          (v)  Authorize and direct the Trustee with respect to all
               disbursements of benefits under the Plan;

          (vi) Employ and engage such persons, counsel and agents and to obtain
               such administrative, clerical, medical, legal, audit and
               actuarial services as it may deem necessary in carrying out the
               provisions of the Plan;

          (vii)Delegate and allocate specific responsibilities, obligations
               and duties imposed by the Plan to one or more Employees,
               officers, or such other persons as the Committee deems
               appropriate.

     (b)  Investment Authority
          --------------------

          The Committee shall have responsibility and authority with respect to
          the management, acquisition, disposition or investment of Plan assets
          to the extent such responsibility and authority is not delegated to an
          Investment Manager or Trustee.  Participants directing investment of
          their Accounts among the available investment funds shall have
          responsibility and authority for such investment of their Accounts to
          the extent provided by law.

     (c)  General Authority
          -----------------

          The Committee shall have all powers necessary or appropriate to carry
          out its duties, including the discretionary authority to interpret the
          provisions of the Plan and the facts and circumstances of claims for
          benefits.  Any interpretation or construction of or action by the
          Committee with respect to the Plan and its administration shall be
          conclusive and binding upon any and all parties and persons affected
          hereby, subject to the exclusive appeal procedure set forth in Section
          11.7.

                                       55
<PAGE>

     (d)  Amendment Authority
          -------------------

          The Committee shall have responsibility and authority to approve
          documents for the Plan and to approve amendments that may be required
          to the Plan from time to time to keep the Plan in compliance with
          relevant law or to facilitate the administration of the Plan.  The
          Chairman of the Committee is authorized to execute any such documents
          or amendments on behalf of the Company.

11.4 Expenses
     --------

     No member of the Committee shall receive any compensation for his services
     as such.  However, all expenses incurred by the Committee in carrying out
     its responsibilities hereunder (including any bond or other security
     required for any member in any jurisdiction) shall be paid by the Plan
     unless such amounts are paid by the Company.  Brokerage commissions,
     transfer taxes and other charges and expenses in connection with the
     purchase or sale of securities shall be added to the cost of such
     securities or deducted from the proceeds thereof, as the case may be.  A
     five dollar administrative charge shall be deducted each month from each
     Early Terminee's Account.  All other costs and expenses incurred in
     administering the Plan shall be paid by the Plan unless such amounts are
     paid by the Participating Companies.

11.5 Bonding and Insurance
     ---------------------

     To the extent required by law, every Committee member, every fiduciary of
     the Plan and every person handling Plan funds shall be bonded.  The
     Committee shall take such steps as are necessary to assure compliance with
     applicable bonding requirements.  The Committee may apply for and obtain
     fiduciary liability insurance insuring the Plan against damages by reason
     of breach of fiduciary responsibility at the Plan's expense and insuring
     each fiduciary against liability to the extent permissible by law at the
     Company's expense.

11.6 Commencement of Benefits
     ------------------------

     (a)  Conditions of Payment
          ---------------------

          Benefit payments under the Plan shall not be payable prior to the
          fulfillment of the following conditions:

          (i)  The Committee has been furnished with such applications,
               consents, proofs of birth, address, form of benefit election,
               spouse consent if required, and other information the Committee
               deems necessary;

          (ii) The Participant is eligible to receive benefits under the Plan as
               determined by the Committee.

          The amount of benefit payable to a Participant or Beneficiary shall be
          determined under the terms of the Plan in effect at the time the
          Participant Terminates 

                                       56
<PAGE>

          employment.  The time benefits commence to a Participant or 
          Beneficiary and the form of payment shall be determined under 
          the terms of the Plan in effect at the time benefits commence.

     (b)  Commencement of Payment
          -----------------------

          Unless a Participant elects otherwise, the payment of benefits shall
          commence no later than 60 days after the end of the Plan Year in which
          the latest of the following occurs:

          (i)  the date the Participant attains age 65,

          (ii) the tenth anniversary of the year in which the Participant
               commenced participation in the Plan, or

          (iii)the Participant Terminates employment with the Company,

          provided that payments shall not commence later than April 1 
          following the calendar year in which the Participant attains age 
          70-1/2, regardless of whether he or she remains in Service after 
          that date (unless the Participant attained age 70-1/2 prior to 
          January 1, 1988, and was not a 5% owner at any time after age 
          66-1/2, in which case payments shall commence no later than upon 
          termination of employment).  The amount of any payments required
          following age 70-1/2 or Termination shall at least satisfy the 
          minimum required distribution amount under Code Section 
          401(a)(9)(A)(ii) and related requlations.

          If the information required in subparagraph (a) above is not available
          prior to such date, the amount of payment required to commence will
          not be ascertainable.  In such event, the commencement of payments
          shall be delayed until no more than 60 days after the date the amount
          of such payment is ascertainable.

11.7 Appeal Procedure
     ----------------

     (a)  A claim for benefit payment shall be considered filed when an
          application form is submitted to the Committee.

     (b)  Notice of Denial
          ----------------

          Any time a claim for benefits is wholly or partially denied, the
          Participant or Beneficiary (hereinafter "Claimant") shall be given
          written notice of such action within 90 days after the claim is filed,
          unless special circumstances require an extension of time for
          processing.  If there is an extension, the Claimant shall be notified
          of the extension and the reason for the extension within the initial
          90 day period.  The extension shall not exceed 180 days after the
          claim is filed.  Such notice will indicate the reason for denial, the
          pertinent provisions of the Plan on which the denial is based, an
          explanation of the claims appeal procedure set forth 

                                     57
<PAGE>

          herein, and a description of any additional material or information 
          necessary to perfect the claim and an explanation of why such 
          material or information is necessary.

 
     (c)  Right to Request Review
          -----------------------

          Any person who has had a claim for benefits denied by the Committee,
          or is otherwise adversely affected by action of the Committee, shall
          have the right to request review by the Committee.  Such request must
          be in writing, and must be made within 60 days after such person is
          advised of the Committee's action.  If written request for review is
          not made within such 60-day period, the Claimant shall forfeit his or
          her right to review.  The Claimant or a duly authorized representative
          of the Claimant may review all pertinent documents and submit issues
          and comments in writing.

     (d)  Review of Claim
          ---------------

          The Committee shall then review the claim.  It may hold a hearing if
          it deems it necessary and shall issue a written decision reaffirming,
          modifying or setting aside its former action within 60 days after
          receipt of the written request for review, or 120 days if special
          circumstances, such as a hearing, require an extension.  The Claimant
          shall be notified in writing of any such extension within 60 days
          following the request for review.  A copy of the decision shall be
          furnished to the Claimant.  The decision shall set forth its reasons
          and pertinent plan provisions on which it is based.  The decision
          shall be final and binding upon the Claimant and the Committee and all
          other persons involved.

11.8 Plan Administration - Miscellaneous
     -----------------------------------

     (a)  Limitations on Assignments
          --------------------------

          Benefits under the Plan may not be assigned, sold, transferred, or
          encumbered, and any attempt to do so shall be void.  The interest of a
          Participant in benefits under the Plan shall not be subject to debts
          or liabilities of any kind and shall not be subject to attachment,
          garnishment or other legal process, except as provided in Section 11.9
          relating to Domestic Relations Orders, or otherwise permitted by law.

          Notwithstanding the above, any Participant or Beneficiary who is to
          receive a distribution from the Plan in shares of Company Stock may,
          subject to the provisions or Treasury Regulations (S)1.401(a)-13(e),
          make a revocable election that such stock be issued jointly (with the
          right of survivorship) to him and his spouse; provided, however, that
          no such election shall be effective until the Participant's or
          Beneficiary's spouse files a written acknowledgement with the
          Committee, in accordance with Treasury Regulations (S)1.401(a)-
          13(e)(2), stating that such spouse has no enforceable right in, or to,
          any Plan benefit (except to the extent of payments actually received).

                                       58
<PAGE>
 
     (b)  Masculine and Feminine, Singular and Plural
          -------------------------------------------

          Whenever used herein, pronouns shall include the opposite gender, and
          the singular shall include the plural, and the plural shall include
          the singular, whenever the context shall plainly so require.

     (c)  No Additional Rights
          --------------------

          No person shall have any rights in or to the Trust Fund, or any part
          thereof, or under the Plan, except as, and only to the extent,
          expressly provided for in the Plan.  Neither the establishment of the
          Plan, the establishment of Participant Accounts nor any action of the
          Company or the Committee shall be held or construed to confer upon any
          person any right to be continued as an Employee, or, upon dismissal,
          any right or interest in the Trust Fund other than as herein provided.
          The Company expressly reserves the right to discharge any Employee at
          any time.

     (d)  Governing Law
          -------------

          This Plan shall be construed in accordance with applicable federal law
          and the laws of the State of Washington.

     (e)  Disclosure to Participants
          --------------------------

          Each Participant shall be advised of the general provisions of the
          Plan and, upon written request addressed to the Committee, shall be
          furnished any information requested regarding the Participant's
          status, rights and privileges under the Plan as may be required by
          law.

     (f)  Income Tax Withholding Requirements
          -----------------------------------

          Any retirement benefit payment made under the Plan will be subject to
          any applicable income tax withholding requirements.  For this purpose,
          the Committee shall provide the Trustee with any information the
          Trustee needs to satisfy such withholding obligations and with any
          other information that may be required by regulations promulgated
          under the Code.

     (g)  Severability
          ------------

          If any provision of this Plan shall be held illegal or invalid for any
          reason, such determination shall not affect the remaining provisions
          of this Plan which shall be construed as if said illegal or invalid
          provision had never been included.

                                      59
<PAGE>

     (h)  Facility of Payment
          -------------------

          In the event any benefit under this Plan shall be payable to a person
          who is under legal disability or is in any way incapacitated so as to
          be unable to manage his or her financial affairs, the Committee may 
          direct payment of such benefit to a duly appointed guardian, 
          committee or other legal representative of such person or in the 
          absence of a guardian or legal representative, to a custodian for 
          such person under a Uniform Gift to Minors Act or to any relative 
          of such person by blood or marriage, for such person's benefit.  
          Any payment made in good faith pursuant to this provision shall 
          fully discharge the Company and the Plan of any liability to the 
          extent of such payment.

     (i)  Correction of Errors
          --------------------

          Any Company contribution to the Trust Fund made under a mistake of
          fact (or investment proceed of such contribution if a lesser amount)
          shall be returned to the Company within one year after payment of the
          contribution.

          In the event an incorrect amount is paid to a Participant or
          Beneficiary, any remaining payments may be adjusted to correct the
          error.  The Committee may take such other action it deems necessary
          and equitable to correct any such error.

     (j)  Missing Persons
          ---------------

          In the event a distribution is required to commence under Section 7.2
          and the Participant or Beneficiary cannot be located, the
          Participant's Account shall be forfeited on the last day of the Plan
          Year following the Plan Year in which distribution was supposed to
          commence.  Such forfeiture shall be used to reduce Company Matching
          Contributions.

          If the affected Participant or Beneficiary later contacts the Company,
          his or her Account shall be reinstated and distributed as soon as
          practical.  The Company shall reinstate the amount forfeited by making
          a special contribution equal to such amount and allocating it to the
          affected Participant's or Beneficiary's Account.  Such reinstatement
          shall not be considered an annual addition for purposes of the
          limitations on contributions on benefits pursuant to Code Section 415.

          Prior to forfeiting any Account, the Company shall attempt to contact
          the Participant or Beneficiary by return receipt mail at his or her
          last known address according to the Company's records, and by the
          letter forwarding services offered through the Internal Revenue
          Service, or the Social Security Administration, or such other means as
          the Committee deems appropriate.

                                   60
<PAGE>

11.9 Domestic Relations Orders
     -------------------------

     Notwithstanding any Plan provisions to the contrary, benefits under the
     Plan may be paid to someone other than the Participant or Beneficiary
     pursuant to a Qualified Domestic Relations Order, in accordance with
     Section 414(p) of the Code.  A Qualified Domestic Relations Order is a
     judgment, decree, or order ("Order") (including approval of a property
     settlement agreement) that:

       (a)  relates to the provision of child support, alimony payments or
            marital property rights to a spouse, former spouse, child or other
            dependent of a Participant;

       (b)  is made pursuant to a state domestic relations law (including a
            community property law);

       (c)  creates or recognizes the existence of an alternate payee's right
            to, or assigns to an alternate payee the right to, receive all or a
            portion of the benefits payable to a Participant under the Plan;

       (d)  specifies the name and last known address of the Participant and
            each alternate payee;

       (e)  specifies the amount or method of determining the amount of benefit
            payable to an alternate payee;

       (f)  names each plan to which the order applies;

       (g)  does not require any form, type or amount of benefit not otherwise
            provided under the Plan;

       (h)  does not conflict with a prior Domestic Relations Order that meets
            the other requirements of this section.

       Payments to an alternate payee pursuant to a Qualified Domestic Relations
       Order shall commence within a reasonable time following qualification of
       the Order.  Such payment shall commence regardless of the Participant's
       age or whether the Participant Terminates or continues employment.

       The Committee shall determine whether an order meets the requirements of
       this section within a reasonable period after receiving an order.  The
       Committee shall notify the Participant and any alternate payee that an
       order has been received.  Any amounts which are to be paid pursuant to
       the order, during the period while its qualified status is being
       determined, shall be held in a separate account under the Plan for any
       alternate payee pending determination that an order meets the
       requirements of this section.  If within eighteen months after such a
       separate account is established, the order has not been determined to
       be a qualified Order, the amount in the separate account shall be
       distributed to the individual who would have been entitled to such
       amount if there had been no order.
 
                                     61
<PAGE>

11.10  Plan Qualification
       ------------------

       Any modification or amendment of the Plan may be made retroactive, as
       necessary or appropriate, to establish and maintain a "qualified plan"
       pursuant to Section 401 of the Code, and ERISA and regulations thereunder
       and exempt status of the Trust Fund under Section 501 of the Code.

11.11  Deductible Contribution
       -----------------------

       Notwithstanding anything herein to the contrary, any contribution by the
       Company to the Trust Fund is conditioned upon the deductibility of the
       contribution by the Company under the Code and, to the extent any such
       deduction is disallowed, the Company may within one year following a 
       final determination of the disallowance, demand repayment of such 
       disallowed contribution and the Trustee shall return such contribution 
       less any losses attributable thereto to the Company within one year 
       following the disallowance.

11.12  Voting of Company Stock and SpaceLabs Medical, Inc. Stock
       ---------------------------------------------------------

       Before each annual or special meeting of the stockholders of the Company,
       the Company shall cause to be sent to each Participant having shares in
       the Company Stock Fund or the SpaceLabs Stock Fund a copy of the proxy
       solicitation material therefor, together with a form requesting
       confidential instructions to the Trustee on how to vote the number of
       shares of common stock in either Fund credited to such Participant.  Upon
       receipt of such instructions the Trustee shall vote the shares of stock
       as instructed.  Instructions received from individual Participants by the
       Trustee shall be held in the strictest confidence and shall not be 
       divulged or released to any person, including officers or employees of 
       any Company or any Affiliated Company.  The Trustee shall vote all 
       shares of Company Stock and SpaceLabs Medical, Inc. stock held by it 
       under the Plan, for which voting instructions shall not have been 
       received for or against proposals submitted, in the same proportions as
       the shares for which instructions are received by the Trustee from 
       Participants.

       In the event of a tender or exchange offer for Company Stock or SpaceLabs
       Medical, Inc. common stock, the response to such offer by the Trustee 
       shall be determined as though the decision constitutes the exercise of
       voting rights, as described in this Section 11.12, except that any 
       shares with respect to which instructions are not received from 
       Participants or Beneficiaries shall not be tendered by the Trustee.

                                       62
<PAGE>
 
                                   SECTION 12
                                        
                           AMENDMENT AND TERMINATION


12.1 Amendment and Termination
     -------------------------

     It is the Company's intention that the Plan will continue indefinitely;
     however, the Company, by action of its Board of Directors, shall have the
     right to amend, terminate, or partially terminate this Plan at any time
     subject to any advance notice or other requirements of ERISA.  Should the
     Board amend the Plan, such amendment shall apply to all Participating
     Companies as of the date that the amendment applies to the Company.  A
     participating Company may, however, adopt for its employees a different
     definition of "Eligible Employee" than is contained in Section 1 or a
     different standard of participation than is contained in Section 2, by
     filing with the Committee a certified resolution of its Board of Directors,
     provided, however, that such resolution shall become effective only if
     approved by the Committee.  No amendment of the Plan shall have the effect
     of providing that the funds held in trust by the Trustee or the earnings
     thereon may be used for, or diverted to, purposes other than the Plan.

12.2 Consolidation or Merger
     -----------------------

     In the event the Plan's assets and liabilities are merged into, transferred
     to or otherwise consolidated with any other retirement plan, then such must
     be accomplished so as to ensure that each Participant would (if the other
     retirement plan then terminated) receive a benefit immediately after the
     merger, transfer or consolidation, which is equal to or greater than the
     benefit the Participant would have been entitled to receive immediately
     before the merger, transfer or consolidation (as if the Plan had then
     terminated).  This provision shall not be construed as limiting the powers
     of the Company to appoint a successor Trustee.

     Subject to the foregoing, if any Affiliated Company becomes a Participating
     Company, and such Company had a thrift plan or similar plan or participated
     in a similar plan of another organization, the Board, with the approval of
     the Affiliated Company, may merge such plan into the Plan and thereupon all
     employees of the Affiliated Company who were members of such plan shall
     automatically become Participants hereunder, and all amounts in the
     accounts of such employees of the Affiliated Company shall become accounts
     under this Plan, in the manner determined by the Committee; provided,
     however, that amounts so transferred shall not be subject to the
     limitations imposed under Sections 3 and 4 on such contributions and no
     Participating Company shall be required or permitted to make company
     matching contributions based on any of the amounts transferred to the Plan
     under this paragraph.

     If a Participating Company maintains a trust that qualified as an exempt
     trust under Section 501(a) of the Code as a part of a qualified profit-
     sharing plan to which contributions have been permanently discontinued and
     all rights under the trust have vested in employees and former employees of
     the Participating Company, the board of directors of the Participating 

                                       63
<PAGE>

     Company, with the consent of the Board, may merge such trust into the 
     Trust under the Plan and thereupon all employees of such Participating 
     Company and employees of other Participating Companies who had a vested 
     interest in the merged trust shall automatically become Participants 
     in the Plan but solely for the purposes of investing the amounts so 
     transferred and distributing such amounts to such employees as 
     hereinafter set forth in the Plan.  The amounts so transferred on behalf
     of each such employee shall be invested in such funds as he shall direct,
     under the provisions of Section 6.1.  Any amounts transferred under this
     paragraph shall constitute "Special Contributions."  Under no circumstances
     will any Participating Company be required or permitted to make company
     matching contributions to the Plan based on Special Contributions. Special
     Contributions and any earnings thereon may not be withdrawn by a
     Participant until such time as the Participant ceases to be an Employee of
     a Participating Company on account of death, retirement, or other voluntary
     or involuntary termination of employment; provided, however, that a full
     withdrawal of such Special Contributions and earnings may be made by a
     Participant after attainment of age 59-1/2, if he shall at the same time
     make a full withdrawal of all his interest in this Plan.  Subject to the
     foregoing, all such distributions shall be made in accordance with the
     provisions of this Plan.

12.3 Termination of the Plan
     -----------------------

     The termination of the Plan shall not cause or permit any part of the Trust
     Fund to be diverted to purposes other than for the exclusive benefit of the
     Participants, or cause or permit any portion of the Trust Fund to revert to
     or become the property of the Company at any time prior to the satisfaction
     of all liabilities with respect to the Participants.

     Upon termination of this Plan, the Committee shall continue to act for the
     purpose of complying with the preceding paragraph and shall have all power
     necessary or convenient to the winding up and dissolution of the Plan as
     herein provided.  While so acting, the Committee shall be in the same
     status and position with respect to other persons as if the Plan remained
     in existence.

12.4 Allocation of the Trust Fund on Termination of Plan
     ---------------------------------------------------

     In the event of a complete or partial termination of the Plan, or upon
     complete discontinuance of contributions under the Plan, with respect to
     all Participants or a specified group or groups of Participants, the
     Trustee shall allocate and segregate a proportionate interest in the Trust
     Fund for the benefit of affected Participants.

     All Accounts accrued by the affected Participants shall be 100% vested and
     non-forfeitable.  The Committee  shall direct the Trustee to allocate the
     assets of the Trust Fund to those affected Participants.

     In the event that after the termination of the Plan the Board shall
     determine that continuance of the investment funds is not in the best
     interest of the Participants, the Company may liquidate the funds and the
     Trustee shall apply the proceeds to payment to each Participant and
     Beneficiary of the value of his or her Accounts.  Such payment shall be 
     made, in the 

                                       64
<PAGE>
 
     discretion of the Committee, either wholly or in part by the purchase of 
     non-transferable annuity contracts or by lump-sum payments.

12.5 Partial Termination
     -------------------

     If at any time the Plan is terminated with respect to any group of
     Employees under such circumstances as to constitute a partial termination
     of the Plan within the meaning of Section 411(d)(3) of the Code, the
     amounts held in the funds that are allocable to such Employees shall be
     segregated by the Trustee as a separate plan.  The funds thus allocated to
     such separate plan shall be applied for the benefit of such Employees in
     the manner described in Section 12.4.

                                       65
<PAGE>
 
                                   SECTION 13

                                    FUNDING

13.1 Contributions to the Trust Fund
     -------------------------------

     As a part of this Plan the Company shall maintain a Trust Fund.  From time
     to time, the Company shall make contributions to the Trust Fund in
     accordance with Section 4.

13.2 Trust Fund for Exclusive Benefit of Participants
     ------------------------------------------------

     The Trust Fund is for the exclusive benefit of Participants.  Except as
     provided in Sections 4.6 (Return of Contributions), 11.9 (Domestic
     Relations Orders) and 11.11 (Deductible Contribution), no portion of the
     Trust Fund shall be diverted to purposes other than this or revert to or
     become the property of the Company at any time prior to the satisfaction of
     all liabilities with respect to the Participants.

13.3 Trustee
     -------

     As a part of this Plan, the Company has entered into an agreement with a
     Trustee who is designated by the Board of Directors.  The Company has the
     power and duty to appoint the Trustee and it shall have the power to remove
     the Trustee and appoint successors at any time.  As a condition to
     exercising its power to remove any Trustee hereunder, the Company must
     first enter into an agreement with a successor Trustee.  The Committee may
     delegate the authority to direct the investment of all or a portion of the
     Trust Fund to the Trustee.

13.4 Investment Manager
     ------------------

     The Committee has the power to appoint, remove or change from time to time
     an Investment Manager to direct the investment of all or a portion of the
     Trust Fund held by the Trustee.  For purposes of this section "Investment
     Manager" shall mean any fiduciary (other than the Trustee) who:

     (a)  has the power to manage, acquire, or dispose of any asset of the Plan;

     (b)  is either

          (i)  registered as an investment adviser under the Investment Advisers
               Act of 1940; or

          (ii) is a bank; or

          (iii)is an insurance company qualified under the laws of more than
               one state to perform the services described in subparagraph (a);
               and

                                       66
<PAGE>
 
     (c)  has acknowledged in writing that he, she or it is a fiduciary with
          respect to the Plan.

                                       67
<PAGE>
 
                                   SECTION 14

                                  FIDUCIARIES


14.1 Limitation of Liability of the Company and Others
     -------------------------------------------------

     To the extent permitted by law, no Participant shall have any claim against
     the Company, or the Committee, or against their directors, officers,
     members, agents or representatives, for any benefits under the Plan, and
     such benefits shall be payable solely from the Trust Fund; nor shall the
     Company, nor the Committee or their directors, officers, members, agents or
     representatives incur any liability to any person for any action taken or
     suffered or omitted to be taken by them under the Plan in good faith.

14.2 Indemnification of Fiduciaries
     ------------------------------

     In order to facilitate the recruitment of competent fiduciaries, the
     Company adopting this Plan agrees to provide the indemnification as
     described herein.  This provision shall apply to Employees who are
     considered Plan fiduciaries including without limitation, Committee
     members, any agent of the Committee, or any other officers, directors or
     Employees.  Notwithstanding the preceding, this provision shall not apply
     and indemnification will not be provided for any Trustee or Investment
     Manager appointed as provided in this Plan.

14.3 Scope of Indemnification
     ------------------------

     The Company agrees to indemnify an Employee fiduciary as described above
     for all acts taken in good faith in carrying out his or her
     responsibilities under the terms of this Plan or other responsibilities
     imposed upon such fiduciary by ERISA.  This indemnification for all acts is
     intentionally broad but shall not provide indemnification for embezzlement
     or diversion of Plan assets for the benefit of the Employee fiduciary.  The
     Company agrees to indemnify Employee fiduciaries described herein for all
     expenses of defending an action by a Participant, Beneficiary or government
     entity, including all legal fees for counsel selected with the consent of
     the Company and other costs of such defense.  The Company will also
     reimburse an Employee fiduciary for any monetary recovery in any court or
     arbitration proceeding.  In addition, if the claim is settled out of court
     with the concurrence of the Company, the Company will indemnify an Employee
     fiduciary for any monetary liability under said settlement.  The Company
     shall have the right, but not the obligation, to conduct the defense of
     such persons in any proceeding to which this Section 14.3 applies.  The
     Company may satisfy its obligations under this Section 14.3 in whole or in
     part through the purchase of a policy or policies of insurance providing
     equivalent protection.

                                       68
<PAGE>
 
The Advanced Technology Laboratories, Inc. Incentive Savings and Stock Ownership
Plan is adopted by Advanced Technology Laboratories, Inc.


IN WITNESS WHEREOF, the Company has caused this Plan to be duly executed on this
  25 th      day of        July             , 1996.
- ------------        ----------------------- 


                                    FOR ADVANCED TECHNOLOGY
                                    LABORATORIES, INC.


/s/ Annette King                    /s/ Harvey N. Gillis
- ---------------------------         -----------------------------------
Witness                             Authorized Officer



                                    Chief Financial Officer
                                    -----------------------------------
                                    Title

                                       69
<PAGE>
 
                                   APPENDIX I

                 TO THE ADVANCED TECHNOLOGY LABORATORIES, INC.

                   INCENTIVE SAVINGS AND STOCK OWNERSHIP PLAN


"Participating Companies"  as defined in Section 1.27 shall also include the
following companies during the specified time.


<TABLE>
<CAPTION>

Company                                   Beginning         Ending
- -------                                   ---------         ------
<S>                                       <C>               <C>
Advanced Technology Laboratories, Inc.    January 1, 1987
(Washington)

Interspec, Inc.                           January 1, 1995
</TABLE>



ACKNOWLEDGED AND ACCEPTED:


By:  __________________________________________

Title:  _______________________________________

Date:  ________________________________________

                                       70





KPMG Peat Marwick Letterhead                       EXHIBIT 23.1
                                                
                              
                     CONSENT OF INDEPENDENT 
                   CERTIFIED PUBLIC ACCOUNTANTS
- -----------------------------------------------------------------------


The Board of Directors
Advanced Technology Laboratories, Inc.:

We consent to the use of our reports incorporated herein by reference 
in the registration statement.



                              /s/KPMG PEAT MARWICK LLP


Seattle, Washington
July 24, 1996



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