TRIMBLE NAVIGATION LTD /CA/
DEF 14A, 1999-04-30
MEASURING & CONTROLLING DEVICES, NEC
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                            SCHEDULE 14A INFORMATION

                    Proxy Statement Pursuant to Section 14(a)
                     of the Securities Exchange Act of 1934


Filed by the Registrant [X]
Filed by a Party other than the Registrant [ ]

Check the appropriate box:
[ ]  Preliminary Proxy Statement
[ ]  Confidential, for Use of the Commission Only (as permitted by Rule 
     14a-6(e)(2))
[X]  Definitive Proxy Statement
[ ]  Definitive Additional Materials
[ ]  Soliciting Material Pursuant to ss. 240.14a-11(c) or ss. 240.14a-12


                           Trimble Navigation Limited

                (Name of Registrant as Specified in its Charter)



      (Name of Person(s) Filing Proxy Statement, if other than Registrant)

Payment of Filing Fee (Check the appropriate box):

[X]   No fee required.
[ ]   Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
      (1) Title of each class of securities to which  transaction  applies:  N/A
      (2) Aggregate number of securities to which transaction  applies:  N/A 
      (3) Per unit price or other underlying value of transaction computed 
          pursuant to Exchange Act Rule 0-11:   N/A             
      (4)  Proposed maximum aggregate value of transaction:   N/A       
      (5)  Total fee paid:   N/A                       
[ ]   Fee paid previously with preliminary materials.
[ ]   Check box if any part of the fee is offset as provided by Exchange  Act  
      Rule 0-11(a)(2)  and identify the filing for which the offsetting fee was
      paid  previously.  Identify the previous filing by registration statement
      number,  or the Form or Schedule and the date of its filing.
      (1)  Amount Previously Paid:   N/A                            
      (2)  Form, Schedule, or Registration Statement No.:   N/A   
      (3)  Filing Party:   N/A                          
      (4)  Date Filed:  N/A                                  


<PAGE>


                           TRIMBLE NAVIGATION LIMITED

                    NOTICE OF ANNUAL MEETING OF SHAREHOLDERS
                                  JUNE 2, 1999

TO THE SHAREHOLDERS:

     NOTICE IS HEREBY GIVEN that the Annual Meeting of  Shareholders  of Trimble
Navigation  Limited  (the  "Company")  will be held at the Westin Hotel in Santa
Clara, located at 5101 Great America Parkway,  Santa Clara,  California 95054 in
the Magnolia Room, on Wednesday,  June 2, 1999, at 1:00 p.m. local time, for the
following purposes:

     1.   To elect  directors  to serve for the  ensuing  year and until 
          their successors are elected.

     2.   To approve an increase of 1,200,000 shares in the number of shares
          of Common Stock  reserved for issuance  under the  Company's  1993
          Stock  Option  Plan  from  3,800,000  shares  to an  aggregate  of
          5,000,000 shares.

     3.   To approve an increase  of 600,000  shares in the number of shares
          of Common Stock available for purchase by eligible employees under
          the Company's  1988 Employee  Stock  Purchase Plan from  2,350,000
          shares to an aggregate of 2,950,000 shares.

     4.   To ratify the  appointment of Ernst & Young LLP as the independent
          auditors  of the  Company  for  the  current  fiscal  year  ending
          December 31, 1999.

     5.   To transact  such other  business as may  properly come before the
          meeting or any adjournment thereof.

     The  foregoing  items of  business  are more fully  described  in the Proxy
Statement accompanying this Notice.

     Only shareholders of record at the close of business on April 9, 1999, will
be  entitled to notice of and to vote at the Annual  Meeting or any  adjournment
thereof.

     All  shareholders  are  cordially  invited to attend the Annual  Meeting in
person.  However, to ensure your representation at the meeting, you are urged to
mark,  sign,  date, and return the enclosed Proxy as promptly as possible in the
postage-prepaid  envelope enclosed for that purpose.  Any shareholder  attending
the meeting may vote in person even if such shareholder returned a Proxy.

                                                For the Board of Directors
                                                TRIMBLE NAVIGATION LIMITED

                                                ROBERT S. COOPER
                                                Chairman of the Board
Sunnyvale, California
April 30, 1999

    IMPORTANT:  WHETHER OR NOT YOU PLAN TO ATTEND THE ANNUAL  MEETING,  YOU
    ARE REQUESTED TO COMPLETE AND PROMPTLY RETURN THE ENCLOSED PROXY IN THE
    POSTAGE-PREPAID  ENVELOPE  PROVIDED  TO  ASSURE  THAT YOUR  SHARES  ARE
    REPRESENTED AT THE MEETING.


<PAGE>



                           TRIMBLE NAVIGATION LIMITED
                                 ---------------

                               PROXY STATEMENT FOR
                         ANNUAL MEETING OF SHAREHOLDERS
                                  June 2, 1999

     The  enclosed  Proxy is  solicited  on behalf of the Board of  Directors of
Trimble Navigation Limited, a California corporation (the "Company"), for use at
the Company's  Annual Meeting of Shareholders  ("Annual  Meeting") to be held at
the Westin Hotel in Santa Clara,  located at 5101 Great America  Parkway,  Santa
Clara,  California  95054 in the Magnolia  Room, on Wednesday,  June 2, 1999, at
1:00 p.m. local time, and at any adjournment(s) or postponement(s)  thereof, for
the purposes set forth herein and in the  accompanying  Notice of Annual Meeting
of Shareholders.

     The  Company's  principal  executive  offices are located at 645 North Mary
Avenue,  Sunnyvale,  California  94088.  The telephone number at that address is
(408) 481-8000.

     These proxy solicitation  materials were mailed on or about April 30, 1999,
to all  shareholders  entitled  to vote  at the  Annual  Meeting.  A copy of the
Company's  Annual  Report and Letter to  Shareholders  for the fiscal year ended
January 1, 1999  accompanies  this Proxy Statement but does not form any part of
the proxy solicitation  materials. A full copy of the Company's annual report on
Form 10-K  (including  all exhibits  thereto,) as filed with the  Securities and
Exchange  Commission  ("SEC")  for the  fiscal  year ended  January 1, 1999,  is
available via the internet at the SEC's EDGAR web site at http://www.sec.gov. In
addition,  a copy of the Company's  annual report on Form 10-K as filed with the
SEC  is  also   available  via  the  internet  at  the  Company's  web  site  at
http://www.trimble.com.

                 INFORMATION CONCERNING SOLICITATION AND VOTING

Record Date and Shares Outstanding

     Shareholders of record at the close of business on April 9, 1999 (the
"Record Date") are entitled to notice of, and to vote at, the Annual Meeting. At
the Record Date,  the Company had issued and  outstanding  22,272,649  shares of
common stock ("Common Stock").

Revocability of Proxies

     Any proxy given pursuant to this  solicitation may be revoked by the person
giving it at any time  before  its use by  delivering  to the  Company a written
notice  of  revocation  or a duly  executed  proxy  bearing  a later  date or by
attending the meeting and voting in person.

Voting
      
     Each share of Common  Stock  outstanding  on the Record Date is entitled to
one vote. In addition,  every  shareholder  voting for the election of directors
may cumulate such  shareholder's  votes and give one candidate a number of votes
equal to the  number of  directors  to be  elected  multiplied  by the number of
shares  held by the  shareholder  as of the  Record  Date,  or  distribute  such
shareholder's  votes  on the same  principle  among  as many  candidates  as the
shareholder  may select,  provided  that votes  cannot be cast for more than the
number of directors to be elected.  However, no shareholder shall be entitled to
cumulate votes unless the candidate's  name has been placed in nomination  prior
to the voting and the shareholder, or any other shareholder, has given notice at
the meeting prior to the voting of the  intention to cumulate the  shareholder's
votes.  An  automated  system  administered  by  the  Company's  transfer  agent


                                       1
<PAGE>


tabulates the votes.  Abstentions and broker  non-votes are each included in the
determination  of the number of shares  present and voting at the Annual Meeting
and the presence or absence of a quorum.  The  required  quorum is a majority of
the  shares  outstanding  on  the  Record  Date.   Abstentions  are  counted  in
tabulations of the votes cast on proposals  presented to  shareholders,  whereas
broker non-votes are not counted for purposes of determining  whether a proposal
has been approved.

Solicitation of Proxies

     The entire cost of this proxy  solicitation  will be borne by the  Company.
The Company has  retained the services of Beacon Hill  Partners,  Inc.  ("Beacon
Hill") to solicit proxies,  for which general services the Company has agreed to
pay $3,000.  In  addition,  the Company will use Beacon Hill as part of a broker
call program  which the Company  expects to cost between  $35,000 to $50,000 and
the Company will also  reimburse  certain  out-of-pocket  expenses in connection
with such proxy  solicitation.  The Company may  reimburse  brokerage  firms and
other persons  representing  beneficial  owners of shares for their  expenses in
forwarding  soliciting materials to such beneficial owners.  Proxies may also be
solicited  by  certain  of  the  Company's  directors,   officers,  and  regular
employees, without additional compensation, personally or by telephone, telegram
or facsimile.

Deadline for Receipt of Shareholder Proposals for 2000 Annual Meeting

     Shareholders  are entitled to present  proposals for actions at forthcoming
shareholder  meetings of the Company if they comply with the requirements of the
appropriate  proxy  rules and  regulations  promulgated  by the  Securities  and
Exchange  Commission.  Proposals  of  shareholders  which  are  intended  to  be
considered  for  inclusion in the  Company's  proxy  statement and form of proxy
related to the Company's 2000 Annual Meeting of Shareholders must be received by
the Company at its  principal  executive  offices  (Attn:  Corporate  Secretary,
Trimble  Navigation  Limited at 645 North  Mary  Avenue,  Sunnyvale,  California
94088) no later than  December 30, 1999.  Shareholders  interested in submitting
such a proposal are advised to retain knowledgeable legal counsel with regard to
the  detailed  requirements  of  the  applicable  securities  laws.  The  timely
submission of a shareholder  proposal to the Company does not guarantee  that it
will be included in the Company's applicable proxy statement.

     The Proxy card attached  hereto and which is to be used in connection  with
the Company's current 1999 Annual Meeting grants the proxy holders discretionary
authority  to  vote on any  manner  otherwise  properly  raised  at such  Annual
Meeting.  The Company  presently intends to use a similar form of proxy card for
its 2000 Annual Meeting of  Shareholders.  If the Company is not notified at its
principal executive offices of a shareholder  proposal at least 45 days prior to
the one year anniversary of the mailing of this Proxy Statement,  then the proxy
holders for the  Company's  2000 Annual  Meeting of  Shareholders  will have the
discretionary  authority to vote against any such shareholder  proposal if it is
properly raised at such annual meeting, even though such shareholder proposal is
not  discussed in the  Company's  proxy  statement  related to that  shareholder
meeting.


                                       2
<PAGE>



                       PROPOSAL I--ELECTION OF DIRECTORS

Nominees

     A board of six directors is to be elected at the Annual Meeting.  The Board
of Directors of the Company has  authorized the nomination at the Annual Meeting
of the persons named below as candidates.

         The names of the  nominees and certain  information  about them are set
forth below:

<TABLE>
<CAPTION>
                                                                                      Director
Name of Nominee           Age                 Principal Occupation                     Since
- -----------------------------------------------------------------------------------------------
<S>                    <C>   <C>                                                      <C>    
Steven W. Berglund      47    President and Chief Executive Officer of the Company       --


Robert S. Cooper        67    President, Chief Executive Officer and Chairman of the    1989
                                  Board of Directors of Atlantic Aerospace Electronic
                                  Corporation, Chairman of the Board of Directors of
                                  the Company


John B. Goodrich        57    Member of the law firm of Wilson Sonsini Goodrich &       1981
                                  Rosati, P.C., legal counsel to the Company 


William Hart            58    General Partner, Technology Partners                      1984


Norman Y. Mineta        67    Vice President for Special Business Initiatives of          --
                                  Lockheed Martin Corporation


Bradford W. Parkinson   64    Professor at Stanford University, former President and    1984
                                  Chief Executive Officer of the Company and current
                                  consultant to the Company
</TABLE>

     Steven W.  Berglund  joined the Company as  President  and Chief  Executive
Officer in March 1999. Mr. Berglund has a diverse  background with experience in
engineering,  manufacturing,  finance, and global operations. Most recently, Mr.
Berglund was President of Spectra  Precision,  Inc.  which had global revenue of
approximately $200 million and develops and manufactures  surveying instruments,
laser based construction alignment instruments, and construction machine control
systems.  Spectra  Precision is a subsidiary of  Spectra-Physics  AB. During his
fourteen years within Spectra-Physics, which was an early Silicon Valley pioneer
in the  development of laser systems,  Mr.  Berglund held a variety of positions
that included four years based in Europe. Prior to Spectra-Physics, Mr. Berglund
spent a number of years in the early 1980's at Varian  Associates  in Palo Alto,
California where he held a number of planning and manufacturing roles. Varian is
a technology  company  specializing in microwave  communications,  semiconductor
manufacturing   equipment,   analytical  instruments,   and  medical  diagnostic
equipment.  Mr. Berglund began his career as a process engineer at Eastman Kodak
in Rochester,  New York.  Mr.  Berglund  attended the University of Oslo and the
University of Minnesota where he received a B.S. degree in Chemical  Engineering
in 1974 and received his M.B.A. degree from the University of Rochester in 1977.

     Robert S. Cooper was appointed Chairman of the Company's Board of Directors
in August 1998.  Dr.  Cooper has served as a director of the Company since April
1989. Since 1985, Dr. Cooper has been President,  Chief Executive  Officer,  and
Chairman  of  the  Board  of   Directors  of  Atlantic   Aerospace   Electronics
Corporation,  an  aerospace  company.  Dr.  Cooper  also  serves on the board of
directors  of  Marconi  North  America.  From  1981 to  1985,  he was  Assistant
Secretary of Defense for Research and  Technology  and  simultaneously  held the
position of Director for the Defense Advanced  Research Projects Agency (DARPA).
Dr.  Cooper  received  a  B.S.  degree  in  Electrical  Engineering  from  State
University of Iowa in 1954, an M.S. degree in Electrical  Engineering  from Ohio
State  University  in  1958,  and a  Doctor  of  Science  degree  in  Electrical
Engineering from the Massachusetts Institute of Technology in 1963.


                                       3
<PAGE>


     John B.  Goodrich  has served as a director  of the Company  since  January
1981. Mr. Goodrich is a member of Wilson Sonsini Goodrich & Rosati, Professional
Corporation, a law firm based in Palo Alto, California. This law firm has served
as primary outside legal counsel to the Company.  Mr.  Goodrich  received a B.A.
degree from Stanford  University in 1963, a J.D.  degree from the  University of
Southern  California  in 1966,  and an L.L.M.  degree in Taxation  from New York
University in 1970.

     William Hart has served as a director of the Company since  December  1984.
Mr.  Hart is a  General  Partner  of  Technology  Partners,  a  venture  capital
management firm that he founded in 1980. Mr. Hart previously held positions with
Cresap,   McCormick  and  Paget,   a  management   consulting   firm,  and  with
International  Business  Machines  Corporation.  Mr.  Hart is also  currently  a
director  of CellNet  Data  Systems,  Inc.,  Silicon  Gaming,  Inc.  and several
privately held technology companies.  Mr. Hart received a Bachelor of Management
Engineering degree from Rensselaer  Polytechnic  Institute in 1965 and an M.B.A.
degree from the Amos Tuck School of Business Administration at Dartmouth College
in 1967.

     Bradford W. Parkinson has served as a director of the Company since
1984, and as a consultant to the Company since 1982. Dr. Parkinson served as the
Company's  President and Chief Executive  Officer from August 1998 through March
1999.  From 1980 to 1984 he was Group Vice  President  and  General  Manager for
Intermetrics, Inc. where he directed five divisions. He also served as President
of Intermetrics' industrial subsidiary, PlantStar. In 1979, Dr. Parkinson served
as  Group  Vice  President  for  Rockwell   International   directing   business
development and advanced engineering.  Currently, Dr. Parkinson is the Edward C.
Wells Endowed Chair professor at Stanford University and has been a Professor of
Aeronautics and  Astronautics at Stanford  University  since 1984. Dr. Parkinson
also directs the Gravity Probe-B spacecraft  development  project,  sponsored by
NASA, the largest program delegated to Stanford  University and has been program
manager for several Federal Aviation Administration  sponsored research projects
on the use of Global  Positioning  Systems for navigation.  Dr. Parkinson was on
leave of absence from Stanford  University while serving as Trimble's  President
and Chief Executive Officer.  Dr. Parkinson received a B.S. degree from the U.S.
Naval  Academy in 1957, a M.S.  degree in  Aeronautics/Astronautics  Engineering
from  Massachusetts  Institute  of  Technology  in 1961  and a Ph.D.  degree  in
Astronautics Engineering from Stanford University in 1966.

     Norman Y. Mineta is Vice  President  for Special  Business  Initiatives  at
Lockheed  Martin  Corporation.  Mr.  Mineta  joined  Lockheed  Martin  in  1995,
following his retirement from the United States House of  Representatives  where
he had  represented  California's  Silicon  Valley since 1975. Mr. Mineta joined
Mineta Insurance Agency, a general insurance brokerage, in 1956 and held various
positions   within  the  company   until  he  sold  the  company  in  1992.   An
internationally  recognized  expert in the field of transportation  policy,  Mr.
Mineta  is a  former  Chair  and  Ranking  Democratic  Member  of the  House  of
Representatives  Committee on Public  Works and  Transportation.  In total,  Mr.
Mineta served on the Committee for more than twenty years,  including 8 years as
Chair of its Aviation  Subcommittee.  Mr. Mineta's major  accomplishments on the
Committee included oversight of airline  deregulation  during the 1980's and his
co-authorship of the Intermodal  Surface  Transportation  Efficiency Act of 1991
(ISTEA). A native of San Jose, California,  Mr. Mineta and his family were among
the 120,000  Americans of Japanese  ancestry forced into internment camps by the
U. S. government  during the Second World War.  During the 100th  Congress,  Mr.
Mineta was the driving force behind passage of H.R. 442, the Civil Liberties Act
of 1988, which officially apologized for and redressed the injustices endured by
Japanese Americans during the war. In 1995, George Washington University awarded
the  Martin  Luther  King,  Jr.  Commemorative  Medal  to  Mr.  Mineta  for  his
contributions to the field of civil rights. In 1967, Mr. Mineta became the first
non-white Member of the San Jose City Council.  In 1971, he was elected as Mayor
of San Jose, California,  and became the first Asian Pacific American mayor of a
major U.S. city. While serving in Congress, Mr. Mineta founded the Congressional
Asian Pacific American Caucus and served as its first Chair. In 1992, Mr. Mineta
became  Chair of the House  Committee on Public  Works and  Transportation,  the
first Asian American to hold this Chair.  Mr. Mineta received a B.S. degree from
the University of California, Berkeley in 1953.


                                       4
<PAGE>


Vote Required

     The six nominees  receiving the highest number of affirmative  votes of the
shares  entitled to be voted shall be elected as directors.  Votes withheld from
any director are counted for purposes of determining  the presence or absence of
a quorum, but have no other legal effect under California law. While there is no
definitive  statutory  or case law  authority  in  California  as to the  proper
treatment of abstentions and broker non-votes in the election of directors,  the
Company  believes that both  abstentions and broker  non-votes should be counted
solely for  purposes  of  determining  whether a quorum is present at the Annual
Meeting.  In the absence of controlling  precedent to the contrary,  the Company
intends to treat  abstentions and broker  non-votes with respect to the election
of directors in this manner.

     Unless otherwise directed, the proxy holders will vote the proxies received
by them for the six nominees named above.  In the event that any such nominee is
unable or declines to serve as a director at the time of the Annual Meeting, the
proxies  will be voted for any  nominee who shall be  designated  by the present
Board of Directors to fill the vacancy. In the event that additional persons are
nominated  for  election  as  directors,  the proxy  holders  intend to vote all
proxies received by them in such a manner as will ensure the election of as many
of the nominees listed above as possible.  In such event, the specific  nominees
to be voted for will be determined by the proxy holders. It is not expected that
any nominee will be unable or will decline to serve as a director. The directors
elected will hold office until the next annual meeting of shareholders and until
their successors are duly elected and qualified.

Recommendation of the Board of Directors

     The Board of Directors  recommends that  shareholders vote FOR the election
of the above-named directors to the Board of Directors of the Company.


Board Meetings and Committees

     The Board of Directors held fifteen  meetings  during the fiscal year ended
January 1, 1999. No director attended fewer than 75% of the aggregate of all the
meetings of the Board of Directors and the meetings of the  committees,  if any,
upon which such director also served.

     The Board of Directors has a standing Audit  Committee.  The members of the
Audit Committee at the beginning of the 1998 fiscal year were directors Hart and
Parkinson and such  committee  held three  meetings  during fiscal year 1998. In
November 1998, the members of the Audit Committee were changed to directors Hart
and Trimble and director Hart now serves as the committee chairman. The purposes
of the Audit Committee are to make such examinations as are necessary to monitor
the corporate  financial  reporting and the internal and external  audits of the
Company,  to provide to the Board of Directors  the results of its  examinations
and  recommendations  derived  therefrom,  to outline to the Board of  Directors
improvements made, or to be made, in internal accounting  controls,  to nominate
independent  auditors,  and  to  provide  such  additional  information  as  the
committee may deem necessary to make the Board of Directors aware of significant
financial matters which require the Board's attention.
         
     The Board of Directors has a standing Compensation  Committee.  The members
of the  Compensation  Committee  at the  beginning  of the 1998 fiscal year were
directors Cooper and Goodrich. In November 1998, the members of the Compensation
Committee were changed to directors Cooper, Goodrich, Hart and director Goodrich
now serves as the  committee  chairman.  Such  Compensation  Committee  held one
meeting during fiscal year 1998. The purpose of the Compensation Committee is to
review and make  recommendations  to the full Board of Directors with respect to
all forms of  compensation  to be paid or  provided to the  Company's  executive
officers.


                                       5
<PAGE>



     In  November  1998,  the Board of  Directors  formed a standing  Nominating
Committee for the purpose of evaluating the size and composition of the Board of
Directors as well as  considering  potential  additional  candidates to serve as
members  of the  Board of  Directors.  The  current  members  of the  Nominating
Committee are  directors  Cooper,  Goodrich and  Parkinson  and director  Cooper
serves as the committee  chairman.  The  Nominating  Committee  held a number of
various  informal  meetings  during fiscal 1998. The  Nominating  Committee will
consider nominees  proposed by shareholders of the Company.  Any shareholder who
wishes to recommend a suitably qualified  prospective  nominee for the Company's
Board of Directors should do so in writing by providing such  candidate's  name,
qualifications  (including  a resume,  if  available)  and  appropriate  contact
information to the Company at its principal executive offices,  Attn:  Corporate
Secretary,  Trimble  Navigation  Limited  at 645 North Mary  Avenue,  Sunnyvale,
California 94088.

Compensation Committee Interlocks and Insider Participation

     Robert S. Cooper,  John B.  Goodrich and William Hart served as the members
of the Company's Compensation Committee for the one meeting that was held during
the fiscal year ended January 1, 1999. In August 1998,  Dr. Cooper was appointed
to serve as the  Company's  Chairman  of the Board of  Directors  and  became an
employee of the Company  pursuant to an agreement  approved by a majority of the
disinterested members of the Board of Directors.  In December 1998, Mr. Goodrich
was appointed to serve as the Company's corporate secretary; however; he is not,
and has never been an employee of the Company.  In addition,  Mr.  Goodrich is a
member of the law firm of Wilson  Sonsini  Goodrich  & Rosati,  P.C.,  which was
retained by the Company during the past fiscal year as general  primary  outside
legal  counsel  and which the Company  presently  proposes to continue to retain
during the current fiscal year. Mr. Hart is not, and has never been, an employee
or  officer  of  the  Company.  See  "Compensation  of  Directors,"  "Employment
Contracts and Termination of Employment and Change-in-Control  Arrangements" and
"Certain Relationships and Related Transactions."

Compensation Committee Report

     The  Compensation  Committee  of the Board of Directors  (the  "Committee")
establishes   the  general   compensation   policies  of  the  Company  and  the
compensation  plans and specific  compensation  levels for executive officers of
the Company. The Committee believes that the compensation of the Chief Executive
Officer should be primarily  influenced by the overall financial  performance of
the Company.  In August of last fiscal year, Bradford W. Parkinson was appointed
as the Company's  interim  President and Chief Executive  Officer  replacing the
Company's former President and Chief Executive Officer,  Charles R. Trimble.  In
March of 1999,  Steven W. Berglund was appointed as the Company's  President and
Chief Executive Officer.

     The Committee believes that the compensation of the Chief Executive Officer
should be  established  within a range of  compensation  for similarly  situated
chief  executive  officers of comparable  companies in the high  technology  and
related  industries  in the Standard & Poor's High  Technology  Composite  Index
("peer  companies")  and their  performance  according  to data  obtained by the
Committee from independent outside consultants and publicly available data, such
as proxy data from peer companies as adjusted by the  Committee's  consideration
of the particular  factors  influencing  the Company's  performance  and current
situation.  A portion  of the Chief  Executive  Officer's  compensation  package
should be  established  as base  salary and the balance  should be variable  and
consist of an annual cash bonus and/or stock option grants.


     Within these established  ranges and guidelines,  the Committee had set the
Chief  Executive  Officer's  base salary  according to the Company's  historical
performance  compared to peer  companies and the  challenges  and  opportunities
available to the Company at the beginning of the fiscal year at $350,000. Due to
the unique  challenges  facing the Company  during the year,  in August  1998, a
majority  of the  remaining  disinterested  members  of the  Board of  Directors
approved  a base  salary of  $30,000  per month  for Dr.  Parkinson  to serve as
interim President and Chief Executive Officer of the Company while a search took
place to find a permanent  candidate  and  approved a base salary of $10,000 per
month  for Dr.  Cooper  to  serve  as the  Company's  Chairman  of the  Board of


                                       6
<PAGE>


Directors.  The Committee and Board of Directors also  carefully  considered the
risks and  challenges  facing the  Company in  offering a complete  compensation
package in recruiting  Mr.  Berglund to serve as the Company's new President and
Chief Executive Officer as well as the individual qualifications and skills that
Mr. Berglund possesses.  Based on these considerations,  the Committee and Board
of Directors  approved a base annual  salary of $400,000 for Mr.  Berglund.  See
"Employment  Contracts  and  Termination  of  Employment  and  Change-in-Control
Arrangements"

     The Committee  adopted a cash bonus program for fiscal year 1998 for senior
executives of the Company (including the Chief Executive Officer) which provided
for an annual  bonus  based upon a fixed  percentage  of each  executive's  base
salary  within  a range of  target  incentives  as  reported  by a  professional
compensation survey. Such base bonus amount was then adjusted by factoring in an
evaluation  of each  individual's  performance  and the  overall  ability of the
Company to achieve targeted levels of profitability. Such bonus amounts, if any,
were calculated and paid quarterly to the eligible senior executives.  The total
bonus paid and accrued to the Company's Chief Executive Officer during the first
two quarters  under the bonus program  adopted for fiscal 1998 was $21,022.  Dr.
Parkinson  did not  receive  any cash  bonuses  while  serving as the  Company's
interim President and Chief Executive Officer during fiscal year 1998.  Pursuant
to the terms of his employment  agreement,  Mr.  Berglund will be eligible for a
cash bonus of up to 50% of his base salary on a pro rata basis for fiscal  years
1999 and 2000 and one half of this bonus  amount is  guaranteed  for fiscal year
1999.

     Based on the Board of  Directors'  and the  Committee's  evaluation  of the
challenges  and demands  facing Dr.  Parkinson  as interim  President  and Chief
Executive Officer,  he was granted an option to purchase an aggregate of 100,000
shares which vested over six months and have an exercise price equal to the then
current fair market value at the date of grant. Based on the Board of Directors'
and the Committee's  evaluation of the new Chief Executive  Officer's ability to
influence the long-term growth and  profitability  of the Company,  the Board of
Directors  determined  that Mr.  Berglund  should  receive  an  option  grant to
purchase  400,000  shares of the  Company's  Common Stock upon starting with the
Company on March 17, 1999. Such options have an exercise price equal to the then
current fair market value at the date of grant, vest ratably over the five years
and  have  partial   acceleration   provisions  in  certain  change  of  control
situations.

     The  Committee  also adopted  similar  policies with respect to the overall
compensation  of other senior  executive  officers of the Company.  A portion of
each  compensation  package  was  established  as base salary and the balance is
variable  and consists of an annual cash bonus and stock  option  grants.  Using
salary survey data supplied by outside  consultants and other publicly available
data, such as proxy data from peer  companies,  the Committee  established  base
salaries  for each senior  executive  within a range of  salaries  of  similarly
situated executive  officers at comparable  companies.  In addition,  these base
salaries of senior executive officers were then adjusted by the Committee taking
into consideration  factors such as the relative performance of the Company, the
performance  of the business unit for which the senior  executive is responsible
and the individual's past performance and future potential.

     The Committee also carefully reviewed and considered its cash bonus program
for fiscal year 1999 for senior executives of the Company.  Such revised program
will provide for an annual cash bonus based upon a maximum  eligible  percentage
of each executive's base salary within a range of target  incentives as reported
by professional  compensation surveys. Such maximum percentage for each employee
will  then be  adjusted  by  factoring  in an  evaluation  of each  individual's
performance.  The total size of the  Company's  bonus pool will be determined by
the Company's  performance in meeting  certain goals for both revenue and income
for the fiscal year and bonuses will only be paid at the end of the fiscal year.

         The size of option  grants to senior  executive  officers,  if any, was
determined  by  the  Committee's  evaluation  of  each  executive's  ability  to
influence the Company's long-term growth and profitability. The Company also has
a metric  measurement  system in place with respect to option grants made to all
new employees  under the Company's  option plans in order to ensure  consistency
among grants and  competitiveness in the marketplace.  Generally,  these options


                                       7
<PAGE>


are granted at the then current  market price and because the value of an option
bears a direct relationship to the Company's stock price, it is an incentive for
managers to create value for shareholders.  The Committee  therefore views stock
options  as  an  important   component  of  its   long-term,   performance-based
compensation philosophy.

     During  the last  fiscal  year the Board of  Directors  also  reviewed  the
general  terms of its  option  plans in  light of the  increasingly  competitive
nature of  employment  markets  in the  Silicon  Valley,  where the  Company  is
headquartered.  Based on a number of factors,  including  an  assessment  of the
Company's ability to attract and retain experienced and qualified employees,  on
November 3, 1998 the Board of Directors  approved the  amendment of all the then
outstanding  options granted to current employees under the Company's 1993 Stock
Option Plan to extend the term of exercise from  five-years and  three-months to
ten years,  contingent upon remaining in continuous employment with the Company,
which is consistent  with the common  practice in the Silicon  Valley.  No other
terms of such  options were changed  including  the exercise  price and terms of
vesting.  The term of exercise of options previously granted to consultants were
not similarly  extended.  On the date of the extension,  all outstanding options
had exercise  prices that were higher than the then current fair market value of
the  Company's  Common  Stock.  The Board of Directors  felt that this change in
policy was necessary in order to be  competitive in the  marketplace  and was in
the best interests of the Company and its  shareholders  by providing  employees
with additional encouragement to stay with the Company and help it grow, thereby
increasing shareholder value.

 Robert S. Cooper, Member    John B. Goodrich, Member    William Hart, Member
 Compensation Committee      Compensation Committee      Compensation Committee

         Bradford W. Parkinson, Member        Charles R. Trimble, Member
         Board of Directors                   Board of Directors


Compensation of Directors

     Cash  Compensation.  Prior to the end of the last fiscal year,  the Company
did not pay any cash  compensation  to  directors  for  serving  on the Board of
Directors or  committees  of the Board of  Directors;  however,  the Company did
reimburse all  non-employee  directors for travel and other  necessary  business
expenses incurred in the performance of their services as directors.

     In order to help attract  additional new outside candidates to serve on the
Company's Board of Directors,  the Board of Directors  carefully  considered and
adopted a cash  compensation  policy beginning January 2, 1999, the start of the
Company's  new  fiscal  year.  Under  the  new  cash   compensation   plan,  all
non-employee  directors  will  receive an annual cash  retainer of $15,000 to be
paid quarterly in addition to a fee of $1,500 for each board meeting attended in
person  and $375 for each  board  meeting  attended  via  telephone  conference.
Members of designated committees of the Board of Directors will receive $750 per
meeting  which is not held on the same  day as a  meeting  of the full  Board of
Directors. Non-employee directors will also continue to be reimbursed for travel
and other  necessary  business  expenses  incurred in the  performance  of their
services as directors of the Company.  The Board of Directors did not change the
terms and conditions of option grants to be made under the 1990 Directors  Stock
Option Plan, as described below.


     1990 Director  Stock Option Plan.  The Company's 1990 Director Stock Option
Plan (the "Director Plan") was adopted by the Board of Directors on December 19,
1990 and approved by the shareholders on April 24, 1991. An aggregate of 380,000
shares of the  Company's  Common Stock has been  previously  reserved for grants
issuable pursuant to the Director Plan ("Director  Options").  The Director Plan
provides  for  the  annual  granting  of  nonstatutory  stock  options  to  each
non-employee director of the Company (the "Outside Directors").  Pursuant to the
terms of the Director Plan, new Outside  Directors are granted a one-time option
to purchase 15,000 shares of the Company's  Common Stock upon initially  joining
the Board of Directors. Thereafter, each year, each Outside Director receives an


                                       8
<PAGE>


additional  option grant to purchase  5,000 shares if  re-elected  at the annual
meeting of shareholders.  All such Director Options have an exercise price equal
to the fair market  value of the  Company's  Common  Stock on the date of grant,
vest over three years,  and have a ten year term of exercise.  In addition,  all
such grants are  automatic  and are not subject to the  discretion of any person
upon the re-election of each such Outside Director.  At the Record Date, options
to purchase an aggregate of 158,333 shares,  having an average exercise price of
$13.60 per share and  expiring  from  December  19,  2000 to May 5,  2008,  were
outstanding  and 145,833  shares  remained  available for future grant under the
Director Plan.  During the fiscal year ended January 1, 1999,  directors Cooper,
Goodrich,  Hart and  Parkinson  were each granted  Director  Options to purchase
5,000 shares of the Company's  Common Stock at an exercise price of $18.4375 per
share.

     Other Arrangements. Dr. Parkinson has served as a consultant to the Company
since 1982. During the last fiscal year, Dr. Parkinson was paid $5,500 per month
for such consulting  services that he rendered to the Company (before  beginning
to serve as the Company's  President and Chief Executive Officer in August 1998)
and, in May 1998, was granted a  non-statutory  stock option under the Company's
1993 Stock Option Plan to purchase  20,000 shares having an exercise price equal
to $18.4375  per share,  which was the then fair market  value of the  Company's
Common  Stock,  and which  vests  ratably  over five  years and has a  five-year
three-month  term of exercise.  In  addition,  in  connection  with his on-going
consulting  services on behalf of the Company,  in February 1999, Dr.  Parkinson
was granted a non-statutory stock option to purchase an additional 30,000 shares
of the Company's  Common Stock with an exercise  price of $9.625 per share which
was set at a price above the then fair market value on the date of grant,  which
vests ratably on a daily basis through June 30, 1999 and has a five year term of
exercise.

     In addition to serving as  directors of the  Company,  in August 1998,  Dr.
Cooper began serving as the Company's Chairman of the Board of Directors and Dr.
Parkinson began serving as the Company's  President and Chief Executive Officer.
See "Employment  Contracts and  Termination of Employment and  Change-in-Control
Arrangements."


                                       9
<PAGE>


         SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

     The  following  table  sets  forth the  shares of  Company's  Common  Stock
beneficially  owned as of the  Record  Date  by:  (i) all  persons  known to the
Company to be the beneficial owners of more than 5% of the Company's outstanding
Common Stock, (ii) each director of the Company (including nominees),  (iii) the
executive  officers  of the  Company  named in the  Summary  Compensation  Table
contained in  "COMPENSATION OF EXECUTIVE  OFFICERS",  and (iv) all directors and
executive      officers      of      the      Company,      as     a      group:

<TABLE>
<CAPTION>

                                                                                              Shares
                                                                                      Beneficially Owned (2)
                                                                                --------------------------------
        5% Shareholders, Directors and Nominees, and Executive Officers (1)          Number         Percent (%)
        -------------------------------------------------------------------     ---------------    -------------                    
<S>                                                                                <C>                <C>    
Capital Research and Management Company and
SMALLCAP World Fund, Inc. (3)..................................................     2,540,000          11.40
     333 South Hope Street
     Los Angeles, California   90071

Frontier Capital Management Corp.(4)...........................................     1,219,440           5.48
     99 Summer Street, 19th Floor
     Boston, Massachusetts   02110

                                                                                    1,585,485           7.11
Charles R. Trimble(5)..........................................................


Steven W. Berglund(6)..........................................................            10              *

Robert S. Cooper(7)............................................................       123,139              *

John B. Goodrich(8)............................................................        40,154              *

William Hart(9)................................................................        79,375              *

Bradford W. Parkinson(10)......................................................       170,354              *

Norman Y. Mineta (11)..........................................................             0             --


Michael P. Gagliardi(12).......................................................        34,776              *

David M. Hall(13)..............................................................        40,827              *

Joseph Paiva(14)...............................................................         3,182              *

Charles E. Armiger, Jr.(15)....................................................        30,138              *

James L. Sorden(16)............................................................       224,380           1.01

Dennis R. Ing(17)..............................................................         1,658              *

All Directors and Executive Officers, as a group                                
     (14 persons)(5)-(18)......................................................     2,598,896          11.41
<FN>
- ----------------------------
*     Indicates less than 1%
(1)   Except as otherwise  noted in the table,  the business  address of each of the persons named in this table is: 
      c/o Trimble  Navigation  Limited,  645 North Mary Avenue, Sunnyvale, California 94088.
(2)   Except  as  indicated  in the  footnotes  to this  table and  pursuant  to applicable  community  property  laws, the persons 
      named in the table have sole voting and investment power with respect to all shares of stock shown as beneficially 
      owned by them.
(3)   The information  presented with respect to Capital Research and Management Company  ("CRMC") and SMALLCAP  World Fund,  
      Inc.  ("SWFI") is as reported pursuant  to a Schedule  13G as  jointly  filed  with the  Securities  and
      Exchange  Commission  on  February  9,  1999 by CRMC  and  SWFI  and  with additional  information supplied directly by CRMC. 
      CRMC has confirmed that it is deemed to be the beneficial owner of all such shares listed above at
      the end of March 1999. As reported on such joint  Schedule 13G, CRMC is an investment adviser registered under Section 203 
      of the Investment Advisers Act of 1940 and was deemed to be the beneficial  owner of 2,265,800 shares
      as of the filing date due to its sole  dispositive  power over such shares and as a result of acting as  investment  adviser 
      to  various  investment companies  registered  under  Section 8 of the  Investment  Company Act of
      1940. CRMC disclaims  beneficial  ownership of all such shares pursuant to Rule 13d-4 of the Exchange Act of 1934, as amended.
      SWFI is an investment company  registered  under the  Investment  Company Act of 1940,  which is
      advised by CRMC,  was the beneficial  owner of 1,450,000  shares as of the filing date due to its sole voting  power over 
      such shares;  however,  all such  shares  beneficially  owned by SWFI are  included  within the shares shown for CRMC.


                                       10
<PAGE>

(4)   The  information  presented  with respect to Frontier  Capital  Management Corp. ("Frontier") is as reported directly to the 
      Company by Frontier. The Company  has  confirmed  certain of the  information  with  respect to the
      holdings  of  Frontier  with the  Company's  transfer  agent,  ChaseMellon
      Shareholder Services, L.L.C.
(5)   Includes  1,552,341  shares held in a family limited  partnership,  6,478 shares held pursuant to the Company's  401(k) Plan, 
      and 16,027 shares subject to options exercisable within 60 days of the Record Date.
(6)   New nominee for the Company's Board of Directors and currently  serving as the Company's  President and Chief Executive 
      Officer since March 1999. Mr. Berglund  previously  acquired  such  shares  a number  of years  prior to
      joining the Company.
(7)   Includes 90,139 shares subject to stock options exercisable within 60 days of the Record Date.
(8)   Includes 21,666 shares subject to stock options exercisable within 60 days of the Record Date.
(9)   Includes  1,106 shares held by TPW  Management  III, L.P., a venture  capital fund of which Mr. Hart is a general  partner.  
      Also includes 48,333 shares subject to stock options exercisable within 60 days of the Record Date.
(10)  Includes 3 shares held by Dr. Parkinson's  spouse,  2,515 shares held in a charitable  remainder trust and 166,370 shares 
      subject to stock options exercisable within 60 days of the Record Date.
(11)  New nominee for the Company's Board of Directors.
(12)  Includes 30,667 shares subject to stock options exercisable within 60 days of the  Record  Date and  1,428  shares  currently
      held  pursuant  to the Company's  401(k)  Plan.  Subsequent  to fiscal  year end,  Mr.  Gagliardi resigned  from the Company  
      effective  March 1999.  See  "COMPENSATION  OF EXECUTIVE OFFICERS-Summary Compensation Table," footnote #12.
(13)  Includes 35,481 shares subject to stock options exercisable within 60 days of the Record Date.
(14)  Includes 1,781 shares subject to stock options  exercisable within 60 days of the Record Date and 295 shares held pursuant to 
      the Company's 401(k) Plan.
(15)  Includes 13,574 shares subject to stock options exercisable within 60 days of the Record Date.
(16)  Includes  5,306 shares  currently  held pursuant to the  Company's  401(k) Plan.  Mr. Sorden  resigned from the Company  
      effective  August 1998.  See "COMPENSATION OF EXECUTIVE OFFICERS-Summary  Compensation Table," footnote  #22. In connection  
      with Mr. Sorden's  resignation  from the Company's and the payment of a severance  package to him, Mr.  Sorden has agreed to 
      vote all  shares of the  Company's  Common  Stock  then held by him in favor of management's designated proxies at the Annual 
      Meeting of Shareholders. See also "Certain Relationships and Related Transactions."
(17)  Mr.  Ing  resigned  from  the  Company   effective   October   1998.   See "COMPENSATION OF EXECUTIVE OFFICERS-Summary 
      Compensation Table," footnote #23.
(18)  Includes 501,498 shares subject to stock options exercisable within 60 days of the Record Date.

</FN>
</TABLE>

Section 16(a) Beneficial Ownership Reporting Compliance

     Section 16(a) of the Securities Exchange Act of 1934, as amended,  requires
the Company's executive officers and directors and persons who own more than 10%
of a registered class of the Company's equity securities during fiscal year 1998
to file reports of initial  ownership on Form 3 and changes in ownership on Form
4 or 5 with the Securities and Exchange  Commission (the "SEC").  Such officers,
directors  and 10%  shareholders  are also  required by SEC rules to furnish the
Company with copies of all Section 16(a) reports they file.

     Based  solely on its review of the copies of such forms  received by it and
on written  representations  from its officers and  directors  and certain other
reporting  persons that no Forms 5 were required for such  persons,  the Company
believes  that,  during the fiscal year ended January 1, 1999, all Section 16(a)
filing requirements  applicable to its officers,  directors and 10% shareholders
were complied with on a timely basis.


                                       11
<PAGE>



                       COMPENSATION OF EXECUTIVE OFFICERS

     The following table sets forth the  compensation,  including  bonuses,  for
each of the Company's last three fiscal years ending January 1, 1999 paid to (i)
all persons who served as the  Company's  Chief  Executive  Officer  during last
completed  fiscal year,  (ii) the four other most highly  compensated  executive
officers of the Company  serving at the end of the last  completed  fiscal year,
and (iii) two former  executive  officers of the Company who would have been one
of the four other most highly compensated executive officers at year end, except
for the fact that each was no longer  serving  as an  executive  officer  of the
Company at the end of the last completed fiscal year:

<TABLE>
<CAPTION>
                                               Summary Compensation Table
                                                                                       Long-term
                                                       Annual Compensation(1)       Compensation(2)
                                                      ------------------------   -------------------
                                                                                      Securities           
                                                                                      Underlying          All Other
                                                       Salary          Bonus            Options         Compensation(3)
Name and Principal Position                Year          ($)            ($)               (#)                 ($)
- -----------------------------------------------------------------------------------------------------------------------
<S>                                       <C>         <C>             <C>            <C>               <C>    
Bradford W. Parkinson(4)                   1998        123,231             --         125,000(5)         64,061(6)
  President and Chief Executive Officer    1997          --                --           5,000(5)         57,000(7)
  (at fiscal year end)                     1996          --                --           5,000(5)         57,000(7)


Charles R. Trimble(8)                      1998        389,584         21,022               0            23,600(9)
  Former President and Chief Executive     1997        358,376         95,779          20,000            12,200(10)
  Officer, Consultant                      1996        320,942              0          20,000            16,600(11)


Michael P. Gagliardi(12)                   1998        222,043         10,690               0            12,561(13)
  Vice President, Aerospace                1997        186,418         80,142(14)      70,000(15)       139,581(16)
  (at fiscal year end)                     1996          --                --              --                --
 

David M. Hall                              1998        213,858          7,928               0             7,700(17)
  Group Vice President, Mobile and         1997        179,518         40,893          20,000             7,700(17)
  Timing Technologies                      1996        152,447              0          20,000             7,200(18)
                                        

Joseph Paiva                               1998        193,497          8,390           2,000            31,501(19)
  Vice President and General Manager,      1997        111,831          4,120             750             1,200
  Land Survey                              1996        103,404              0           5,500             1,200
  
                                       
Charles E. Armiger, Jr.                    1998        176,090          9,431               0             7,050(20)
  Vice President, Worldwide Sales          1997        147,505         39,598          10,000             7,050(20)
                                           1996        127,670              0          12,000           115,107(21)
                                         

James L. Sorden(22)                        1998        278,278         10,772               0             1,200
  Former Executive Vice President,         1997        246,513         45,501          20,000             1,200
  Commercial Products                      1996        221,583              0          20,000             1,200
                                        

Dennis R. Ing(23)                          1998        203,335          8,893          45,000             1,200
  Former Executive Vice President and      1997        181,425         33,134         100,000(24)         1,200
  Chief Financial Officer                  1996         90,880              0          45,000               800

<FN>
- ----------------------------
(1)   Compensation deferred at the election of executive is included in the category and in the year earned.
(2)   The Company has not issued stock  appreciation  rights or restricted stock awards.  The  Company  has no  "long-term  
      incentive  plan" as the term is defined in the applicable rules.
(3)   Includes amounts  contributed by the Company pursuant to Section 401(k) of the Internal  Revenue Code of 1986,  as amended,  
      for the periods in which they accrued.  All full-time  employees are eligible to participate in the Company's 401(k) plan.


                                       12
<PAGE>


(4)   Dr.  Parkinson  served as the  Company's  President  and  Chief  Executive Officer from August 1998 through March 1999 and is 
      included in the Summary Compensation  Table pursuant to Item 402(a)(3)(i) of Regulation S-K of the Securities Act of 1993, 
      as amended (the  "Securities  Act"). Dr. Parkinson continues to serve as a director and consultant to the Company  subsequent
      to March 1999.
(5)   Includes 5,000 options  automatically granted to Dr. Parkinson for serving as an outside member of the Company's  Board of 
      Directors  pursuant to the terms of the Company's 1990 Director Stock Option Plan.
(6)   Includes $49,500 paid by the Company for consulting  services  provided by Dr.  Parkinson  for the  portion of the fiscal  
      year  before he became the Company's  President and Chief  Executive  Officer and $14,261 paid by the Company to retain 
      certain  medical and dental  benefits for Dr.  Parkinson while he was on leave of absence from Stanford  University  and 
      serving as the Company's President and Chief Executive Officer.
(7)   Includes $57,000 paid by the Company for consulting services provided by Dr. Parkinson  during the  fiscal  year.  
(8)   Mr.  Trimble  served as the  Company's President and Chief  Executive  Officer until August 1998 and is included in the
      Summary Compensation  Table pursuant to Item 402(a)(3)(i) of Regulation S-K of the Securities  Act. Mr.  Trimble  continued  
      to serve as a consultant  to the Company  throughout the remainder of the fiscal year end and collected his 
      full regular salary.
(9)   Includes $22,400 paid by the Company for tax planning services provided to Mr. Trimble.
(10)  Includes $11,000 paid by the Company for tax planning services provided to Mr. Trimble.
(11)  Includes $15,400 paid by the Company for tax planning services provided to Mr. Trimble.
(12)  Mr.  Gagliardi  served as the Company's Vice  President,  Aerospace and is included in the Summary  Compensation Table 
      pursuant to Item 402(a)(3)(ii) of Regulation S-K of the Securities Act of 1993, as amended;  however;  he has subsequently 
      resigned from the Company effective March 1999.
(13)  Includes $11,361 of relocation costs paid by the Company in connection with the hiring of Mr. Gagliardi.
(14)  Includes a one-time signing bonus of $40,000 in connection with the hiring of Mr. Gagliardi.
(15)  Includes a one-time grant of an option to purchase 50,000 shares in connection with the hiring of Mr. Gagliardi.
(16)  Includes $138,382 of relocation costs paid by the Company in connection with the hiring of Mr. Gagliardi.
(17)  Includes $6,500 paid by the Company to Mr. Hall as an automobile allowance.
(18)  Includes $6,000 paid by the Company to Mr. Hall as an automobile allowance.
(19)  Includes $30,301 of temporary living costs paid by the Company in connection with Mr. Paiva's assignment to Sunnyvale 
      California.
(20)  Includes $5,850 paid by the Company to Mr. Armiger as an automobile allowance.
(21)  Includes  $69,577  paid by the  Company  to Mr.  Armiger as a goods and  services  allowance  in  conjunction  with his  
      overseas assignment in the United Kingdom,  $26,202 of relocation  expenses paid by the Company in  connection  with 
      Mr.  Armiger's  subsequent  return to the United  States  and  $5,400  paid  by the  Company  to Mr.  Armiger  as an 
      automobile allowance.
(22)  Mr. Sorden resigned from the Company effective August 1998 and is included in the Summary  Compensation Table solely pursuant 
      to Item  402(a)(3)(iii) of Regulation S-K of the Securities Act.
(23)  Mr. Ing resigned from the Company  effective  October 1998 and is included in the Summary  Compensation Table solely pursuant 
      to Item  402(a)(3)(iii) of Regulation S-K of the Securities Act.
(24)  Includes a one-time  grant of an option to purchase  80,000  shares in  connection  with Mr. Ing's  promotion  to Executive  
      Vice President during the fiscal year.

</FN>
</TABLE>


                                       13
<PAGE>


     The following  table sets forth the number and terms of options  granted to
the persons named in the Summary Compensation Table during the fiscal year ended
January 1, 1999:

                                            Option Grants in Last Fiscal Year

<TABLE>
<CAPTION>
                                      Individual Grants
- ---------------------------------------------------------------------------------------------
                                                                                                 Potential Realizable
                                    Number of                                                      Value at Assumed
                                    Securities     % of Total                                    Annual Rates of Stock
                                    Underlying       Options                                      Price Appreciation
                                     Options       Granted to        Exercise                      for Option Term (4)
                                     Granted      Employees in        Price        Expiration   ------------------------   
              Name                    (#)        Fiscal Year (1)    ($/Share) (2)    Date(3)       5% ($)      10% ($)
- ------------------------------------------------------------------------------------------------------------------------
<S>                               <C>               <C>               <C>           <C>           <C>         <C>
Bradford W. Parkinson..........       5,000          0.45              18.44         5/5/08         57,994     146,967
                                     20,000          1.79              18.44         8/5/03        107,690     239,351
                                    100,000          8.95              10.13         9/1/03        295,796     657,437

Charles R. Trimble.............           0            --                 --           --                0           0

Michael P. Gagliardi(5)........           0            --                 --           --                0           0

David M. Hall..................           0            --                 --           --                0           0

Joseph Paiva...................       2,000          0.18               8.66         11/3/08        10,894      27,608

Charles E. Armiger, Jr.........           0            --                 --           --                0           0

James L. Sorden(6).............           0            --                 --           --               --          --

Dennis R. Ing(7)...............      45,000          4.03                 --           --               --          --
- ----------------------
<FN>

(1)   The Company granted  options to purchase an aggregate of 1,117,311  shares of the Company's  Common Stock to employees,  
      consultants and non-employee directors  during fiscal year 1998  pursuant to the  Company's  1993 Stock Option Plan, 
      the 1992 Management Discount Plan and the 1990 Director Stock Option Plan.
(2)   All options  presented  in this table were  granted at an  exercise  price equal to the then fair  market  value of a 
      share of the  Company's  Common Stock on the date of  grant,  as  quoted  on the  Nasdaq  National  Market System.
(3)   All  options  presented  in this  table may  terminate  before  the stated expiration  upon the  termination  of  
      optionee's  status as an  employee, consultant or director, including upon the optionee's death or disability.
(4)   The assumed 5% and 10%  compound  rates of annual stock  appreciation  are mandated by the rules of the Securities and 
      Exchange Commission and do not represent  the  Company's  estimate or  projection  of future Common Stock prices. 
      All grants made to persons  serving as employees and directors of the Company  listed in the table have a ten-year  
      term of exercise  which, assuming  the  specified  rates of annual  compounding,  results  in total appreciation  of 62.9% 
      (at 5% per year) and 159.4% (at 10% per year).  All grants made to persons serving as consultants to the Company listed 
      in the table have a five-year  three-month  term of exercise which,  assuming the specified rates of annual  compounding,  
      results in total  appreciation of 29.2% (at 5% per year) and 64.9% (at 10% per year).  Thus, only the 20,000
      share and 100,000  share option grants listed in the table and made to Dr. Parkinson during the last fiscal year have a 
      five-year  three-month option term. All option grants presented in the table vest over five years,  with the  exception  
      of the  100,000  share grant to made to Dr.  Parkinson  in connection with his serving as the Company's  interim  President 
      and Chief Executive  Officer which vests ratably over six months and the 5,000 share Director  Option  automatically  
      granted to Dr.  Parkinson  under the 1990 Director  Option  Plan for serving as a member of the  Company's  Board of
      Directors which vests ratably over three years.
(5)   Subsequent  to fiscal year end, Mr.  Gagliardi  resigned  from the Company effective  March 1999.  See  "COMPENSATION  
      OF EXECUTIVE  OFFICERS-Summary Compensation Table," footnote #12.
(6)   Mr.  Sorden  resigned  from  the  Company   effective   August  1998.  See "COMPENSATION OF EXECUTIVE OFFICERS-Summary 
      Compensation Table," footnote #22.
(7)   Mr. Ing  resigned  from the Company  effective  October  1998 prior to any shares  vesting  under the option grant made 
      to him during the fiscal year and all such  shares  were  returned to the  Company's  1993 Option  Plan; therefore,   
      there  is  no  applicable  potential  realizable  value.  See "COMPENSATION OF EXECUTIVE OFFICERS-Summary  Compensation 
      Table," footnote #23.

</FN>
</TABLE>


                                       14
<PAGE>



     The following table provides information on option exercises by the persons
named in the Summary  Compensation Table during the fiscal year ended January 1,
1999:

<TABLE>
<CAPTION>
                   Aggregated Option Exercises in Last Fiscal Year and Fiscal Year-End Option Values

                                                                 
                                                                
                                                               Number of Securities           
                                                              Underlying Unexercised          Value of Unexercised          
                                                                    Options at                In-the-Money Options 
                                Shares         Value            Fiscal Year-End (#)          at Fiscal Year-End ($)(1)
                              Acquired on     Realized     ---------------------------   ---------------------------------  
            Name              Exercise (#)      ($)        Exercisable   Unexercisable      Exercisable  Unexercisable
- --------------------------------------------------------------------------------------------------------------------------
<S>                            <C>           <C>           <C>               <C>                <C>            <C>
Bradford W. Parkinson.....         --              --       142,812           42,188             0              0
Charles R. Trimble........         --              --        13,147           26,853             0              0
Michael P. Gagliardi(2)...         --              --        24,500           45,500             0              0
David M. Hall.............         --              --        30,432           29,568             0              0
Joseph Paiva..............      1,245           4,358         1,155            5,850             0              0
Charles E. Armiger, Jr....         --              --        11,016           15,984             0              0
James L. Sorden(3)........     42,295         373,165             0                0             0              0
Dennis R. Ing(4)..........         --              --             0                0             0              0
- ---------------------------
<FN>

(1)   Represents the market value of the Common Stock  underlying the options at fiscal year end, less the exercise price 
      of  "in-the-money"  options.  The closing price of the  Company's  Common Stock on January 1, 1999 as quoted
      on the Nasdaq National Market System was $7.625.
(2)   Subsequent  to fiscal year end, Mr.  Gagliardi  resigned  from the Company effective  March 1999.  See  "COMPENSATION  
      OF EXECUTIVE  OFFICERS-Summary Compensation Table," footnote #12.
(3)   Mr.  Sorden  resigned  from  the  Company   effective   August  1998.  See "COMPENSATION OF EXECUTIVE OFFICERS-Summary  
      Compensation Table," footnote #22.
(4)   Mr.  Ing  resigned  from  the  Company   effective   October   1998.   See "COMPENSATION OF EXECUTIVE OFFICERS-Summary  
      Compensation Table," footnote #23.
</FN>
</TABLE>

Changes to Compensation Plans

     The  Company  has  proposed  amendments  to  increase  the number of shares
reserved for issuance  and sale under the  Company's  1993 Stock Option Plan and
its 1988 Employee Stock  Purchase Plan.  Because all grants under the 1993 Stock
Option Plan are made at the discretion of the Board of Directors,  future grants
under the 1993 Stock Option Plan are not yet  determinable.  Similarly,  because
each employee's participation in the Company's 1988 Employee Stock Purchase Plan
is  purely  voluntary,  the  future  benefits  under  such plan are also not yet
determinable.  Accordingly,  the following table  summarizes the number of stock
options  granted  under  the 1993  Stock  Option  Plan and the  number of shares
purchased  under the 1988  Employee  Stock  Purchase Plan during the last fiscal
year ended January 1, 1999 by (i) the persons named in the Summary  Compensation
Table,  (ii) all  current  executive  officers  as a group,  (iii)  all  current
directors  who are not  executive  officers as a group,  and (iv) all  employees
(excluding executive officers) as a group.

                                       15
<PAGE>


                                                    New Plan Benefits
<TABLE>
<CAPTION>
                                                                                        1988 Employee Stock Purchase
                                                        1993 Stock Option Plan (1)           Purchase Plan (3)
                                                     --------------------------------------------------------------------    
                                                      Exercise Price     Number of      Purchase Price      Number of
                                                      ($ per Share)       Options       ($ per Share)        Shares
        Name and Position                                  (2)            Granted            (4)            Purchased
- ---------------------------------------------------- ----------------- --------------- ----------------- ----------------
<S>                                                      <C>          <C>                <C>               <C>    
Bradford W. Parkinson                                                                              
     President and Chief Executive Officer                18.44          20,000                 0                0
     (at fiscal year end)(5)....................          10.13         100,000
Charles R. Trimble                                                                                 
     Former President and Chief Executive Officer,           --               0                --                0(6)
     Consultant.................................
Michael P. Gagliardi(7)                                                                            
     Vice President, Aerospace..................             --               0              9.26            1,263
David M. Hall                                                                                      
     Group Vice President, Mobile and Timing                 --               0             11.12            1,257
     Technologies...............................
Joseph Paiva                                                                                       
     Vice President and General Manager, Land              8.66           2,000              7.99              594
     Survey.....................................
Charles E. Armiger, Jr.                                                                            
     Vice President, Worldwide Sales............             --               0              8.30            1,045
James L. Sorden(8)                                                                                 
     Former Executive Vice President, Commercial             --               0             13.76            1,146
     Products...................................
Dennis R. Ing(9)                                                                                   
     Former Executive Vice President and                  19.56          45,000             13.76              410
     Chief Financial Officer....................

Current Executive Officers, as a group..........          10.21         301,000              8.89            9,741

Non-Executive Officer Directors, as a group.....             --               0                --                0(10)

Non-Executive Officer Employees, as a group.....          11.21         751,311              8.47          319,594
- ----------------------- 
<FN>

(1)   Only employees and  consultants  (including  officers and directors) of the Company are eligible to participate in 
      the 1993 Stock Option Plan.
(2)   Exercise  prices for the  options  granted  during  the fiscal  year ended January  1,  1999  under  the  1993  Stock  
      Option  Plan  are  shown  on a weighted-average basis for the groups presented. Future benefits under the 1993 Stock 
      Option Plan are not  determinable,  as grants of options are at the discretion of the Company's  Board of Directors and 
      are dependent upon the price of the Company stock in the future.
(3)   Only Company  employees  (including  officers) whose customary  employment with the  Company is at least 20 hours per 
      week and more than five  months in any calendar  year are  eligible to  participate  in the 1988  Employee Stock Purchase 
      Plan.
(4)   Under  the  terms of the  1988  Employee  Stock  Purchase  Plan,  eligible employees  may  purchase  shares of the  
      Company's  Common  Stock  through payroll  deductions  at a  purchase  price  not less  than 85% of the fair
      market  value of the  Company's  Common  Stock on the first or last day of each applicable six-month offering period. 
      See "Proposal  III-Amendment to the 1988 Employee  Stock  Purchase  Plan." All Purchase  prices for shares acquired  
      during  the  fiscal  year  ended  January 1, 1999 under the 1988 Employee Stock Purchase Plan are shown on a 
      weighted-average  basis. There were  two open  offering  periods  during  the  last  fiscal  year and the
      applicable per share purchase prices were $13.7594 and $6.1625.
(5)   Includes a 20,000 share option grant to Dr.  Parkinson in May 1998 for serving as a consultant to the Company and a 
      100,000 share option grant in August 1998 for serving as the Company's interim President and Chief Executive Officer.
(6)   As a holder of more than 5% of the  Company's  voting  stock,  Mr.  Trimble is not  eligible  to purchase  shares  under 
      the 1988 Employee Purchase Plan pursuant to its terms.  See "Proposal  III-Amendment to the 1988 Employee Stock Purchase 
      Plan."
(7)   Subsequent  to fiscal year end, Mr.  Gagliardi  resigned  from the Company effective  March 1999.  See  "COMPENSATION  OF 
      EXECUTIVE  OFFICERS-Summary Compensation Table," footnote #12.

                                       16
<PAGE>


(8)   Mr.  Sorden  resigned  from  the  Company   effective   August  1998.  See "COMPENSATION OF EXECUTIVE OFFICERS-Summary  
      Compensation Table," footnote #22.
(9)   Mr.  Ing  resigned  from  the  Company   effective   October   1998.   See "COMPENSATION OF EXECUTIVE OFFICERS-Summary  
      Compensation Table," footnote #23.
(10)  Non-employee directors are not eligible to participate in the 1998 Employee Stock Purchase Plan.

</FN>
</TABLE>


Employment Contracts and Termination of Employment and Change-in-Control 
Arrangements

Bradford W. Parkinson

     In connection with agreeing to serve as the Company's interim President and
Chief  Executive  Officer  effective  beginning  August 19, 1998, Dr.  Parkinson
entered  into  employment  and  consulting  agreements  with the  Company  which
provided for his employment and/or consulting services though May 31, 1999, at a
base salary of $30,000 per month.  In the event of Dr.  Parkinson's  involuntary
termination  or  termination  for other  than  defined  cause,  he will  receive
severance  payments  equal  to the  specified  salary  through  the  end of such
agreements.  As a condition  of entering  into such  employment  agreement,  Dr.
Parkinson  was  required  to take a leave  of  absence  from his  position  as a
Professor at Stanford  University and such agreements  provide  reimbursement to
him in order to retain certain medical and dental benefits that he receives from
the  university  at a base cost not to exceed  $1,000 per month  together with a
gross-up  payment  for all  applicable  taxes;  however,  Dr.  Parkinson  is not
eligible for any similar  benefits  available to the Company's  employees.  Such
consulting  agreement entered into concurrently also provides Dr. Parkinson with
a payment  of $6,000 per month  commencing  June 1, 1999  through  June 1, 2002,
unless terminated earlier.

     In addition,  upon beginning  service as the Company's  President and Chief
Executive  Officer  in August  1998,  Dr.  Parkinson  was  granted  an option to
purchase  100,000 shares of the Company's Common Stock with an exercise price of
$10.125  per  share  which  was the  fair  market  value on the date of grant in
accordance with the terms of such  agreements.  Such options vested ratably over
six months from the original date of grant and have a five year term of exercise
contingent  upon his  remaining  as an employee,  consultant  or director to the
Company. 

Robert S. Cooper

     In connection with agreeing to serve as the Company's Chairman of the Board
of Directors  effective  beginning  August 19,  1998,  Dr.  Cooper  entered into
employment  and  consulting  agreements  with the Company which provided for his
employment and/or  consulting  services though August 31, 1999, at a base salary
of $10,000 per month.  In the event of Dr. Cooper's  involuntary  termination or
termination  for other than defined cause,  he will receive  severance  payments
equal to the specified salary through the end of such agreements.  Dr. Cooper is
eligible for other benefits and programs available to the Company's employees.

     In addition, upon beginning service as the Company's Chairman of the Board,
Dr.  Cooper was granted an option to  purchase  60,000  shares of the  Company's
Common  Stock with an  exercise  price of $10.125  per share  which was the fair
market  value  on the  date of  grant  in  accordance  with  the  terms  of such
agreements.  Such options vest ratably over 12 months from the original  date of
grant and have a five year term of  exercise  contingent  upon  remaining  as an
employee, consultant or director to the Company.

Steven W. Berglund

     On March 17, 1999, Mr. Berglund  entered into an employment  agreement with
the Company to serve as the Company's new President and Chief Executive Officer.
Such agreement  provides that Mr.  Berglund's base  compensation will be $33,333
per  month  and  that he will be  eligible  for a bonus of up to 50% of his base
compensation  pro rata for fiscal years 1999 and 2000. The employment  agreement


                                       17
<PAGE>


guarantees one half of this bonus amount for fiscal year 1999 and specifies that
the other terms and conditions of such bonus payments will be as negotiated with
the Company's  Board of Directors.  In the event of Mr.  Berglund's  involuntary
termination  or  termination  for other than defined  cause,  he will receive 12
months of severance based upon his last annual base salary plus accrued bonus to
date.

     In addition,  upon joining the Company, Mr. Berglund was granted options to
purchase an aggregate of 400,000  shares of the  Company's  Common Stock with an
exercise price of $8.00 per share which was the fair market value on the date of
grant in accordance with the terms of such  agreement.  Such options vest 20% at
the first  anniversary  and monthly  thereafter for five years from the original
date  of  grant  and  have a ten  year  term  of  exercise.  In the  event  of a
change-of-control  of the Company,  Mr.  Berglund  will receive an additional 12
months of vesting with respect to such  options;  however,  if such event occurs
during his first year of service,  he will receive ratable vesting for his first
year in addition to the 12 months of additional vesting.

     In connection with Mr. Berglund's relocation to California, the Company has
promised  him six months of interim  housing  and the  reimbursement  of certain
moving costs and expenses as well as optional loan  assistance of up to $400,000
on a new  primary  residence  (at the  lending  rate that the Company is able to
borrow at) which such loan would be forgiven by the  Company  ratably  over five
years.

     Pursuant to the  employment  agreement,  Mr.  Berglund is also eligible for
other benefits and programs available to the Company's employees, including paid
vacation,   medical,  dental,  life  and  disability  insurance,  and  a  401(k)
Retirement Plan with a Company match and he will also be eligible to participate
in the Company's Executive Nonqualified Deferred Compensation Plan.


Certain Relationships and Related Transactions

     During  fiscal  year 1996,  the  Company  invested  $80,000 in the Series A
Preferred Stock of IntegriNautics,  a privately held California corporation.  In
addition,  the Company has granted  IntegriNautics  a licence to internally  use
certain of the Company's  software  technologies  to create  derivatives of such
technologies,  under  which the  Company  retains  all  rights to such  software
technologies  and  derivatives  developed but which the Company may from time to
time permit IntegriNautics to sublicense to IntegriNautics'  customers,  subject
to the Company's  approval in each  instance.  In  developing  and producing its
products for sales to others,  IntegriNautics  purchases the Company's  products
and uses them as  component  parts.  During  fiscal  year  1998,  IntegriNautics
purchased and paid for  approximately  $299,000 worth of the Company's  products
for use as component  parts.  In addition,  during fiscal year 1998, the Company
purchased and paid for  approximately  $84,000 of products from  IntegriNautics.
Bradford W. Parkinson,  who is a member of the Company's Board of Directors,  is
also a member  of the  board  of  directors  and a  significant  shareholder  of
IntegriNautics.  As one of the factors  that was  considered  in  approving  the
Company's  initial equity investment in  IntegriNautics,  the Company's Board of
Directors  specifically  reviewed the fairness of the transaction to the Company
in light of Dr. Parkinson's investment and participation in IntegriNautics.

     During  fiscal year 1995,  the Company  approved  an equity  investment  of
approximately  $800,000 in the Series A Preferred  Stock of ProShot  Golf,  Inc.
("ProShot"),  a privately held California corporation.  During fiscal year 1997,
the  Company  invested  approximately  an  additional  $200,000  in the Series B
Preferred Stock of ProShot and separately  loaned ProShot  $1,500,000  which was
fully  secured  by a letter  of  credit.  Such  Series  B  Preferred  Stock  was
subsequently  converted  into shares of Series D Preferred  Stock of ProShot and
approximately  $1,044,000  of the  outstanding  balance  on the  loan  from  the
Company,  including accrued interest,  was converted into shares of common stock
of ProShot.  During fiscal year 1998, all such shares of ProShot Preferred Stock
held by the Company were  converted  into shares of common stock of ProShot.  In
addition,  the Company also converted  approximately  $497,000 of an outstanding
loan  balance  owed to the Company  into shares of common  stock of ProShot.  In


                                       18
<PAGE>


developing and producing its products for sales to others, ProShot purchases the
Company's  products and uses them as component  parts.  During fiscal year 1998,
ProShot purchased approximately $385,000 worth of the Company's products for use
in its products and development  processes.  At fiscal year end,  ProShot had an
outstanding long-term note of approximately $258,000 owed to the Company related
to prior accounts payable balances.  Ralph F. Eschenbach,  the Company's current
Chief Technical Officer,  serves as the Company's designated member on the board
of directors of ProShot in connection  with the Company's  equity  investment in
ProShot.  John B. Goodrich,  a director and current  corporate  secretary of the
Company also serves on ProShot's board of directors. In addition, Mr. Eschenbach
is an  individual  shareholder  of ProShot and during fiscal 1998 he served as a
member of  ProShot's  Compensation  Committee.  During  fiscal  year  1997,  Mr.
Eschenbach  served as an  executive  officer of ProShot,  including  as co-Chief
Executive  Officer  for a  number  of  months.  As one of the  factors  that  it
considered  in approving  the  Company's  equity  investments  in, and loans to,
ProShot,  the  Company's  Board  of  Directors  reviewed  the  fairness  of  the
contemplated  transactions  to the  Company  in  light  of such  investment  and
participation in ProShot.

     The  following  table sets forth  information  with regard to loans made to
executive  officers  of the  Company  who had  outstanding  amounts of more than
$60,000 at any time since the beginning of the Company's last fiscal year.  Each
of these  loans  was made by the  Company  for the  purpose  of  assisting  such
executive  officer in the acquisition of his primary residence in an exceptional
housing  market in a location for the benefit of the Company in accordance  with
the Company's  Bylaws.  Each of these loans is secured by a second deed of trust
on such  residence,  has a term of five years and requires  that the interest on
such principal amounts be paid currently each year. The principal balance is due
in full at the end of such five  year  term,  but such  executive  officers  may
pre-pay all or any portion of such  balance  without a prepayment  penalty.  The
interest  rate for  each of  these  loans  was set  with  reference  to the then
applicable mid-term annual federal rate.

<TABLE>
<CAPTION>
                                                                         Principal Amount         Largest Amount
                                                         Annual           Outstanding at        Outstanding During
           Name and Position           Date of Loan   Interest Rate      Record Date ($)      Fiscal Year 1998 ($)
- -------------------------------------- ------------- --------------- ---------------------- ------------------------
<S>                                      <C>             <C>                  <C>                      <C>    
Charles E. Armiger, Jr.                   7/6/98          5.69%                150,000                  150,000
   Vice President, Worldwide Sales

Patrick J. Hehir                         2/26/99          4.75%                200,000                       --
   Senior Vice President, Chief
   Manufacturing Officer

</TABLE>

     In connection with the resignation of David E. Vaughn, the Company's former
Executive Vice President,  Business Development,  from the Company in July 1998,
the Company paid Mr. Vaughn a special  one-time  bonus payment of  approximately
$133,000 as part of his final separation package.

     In connection with the resignation of James L. Sorden, the Company's former
Executive Vice President,  Commercial  Products,  and the payment of a severance
package to him, Mr. Sorden has agreed to vote all shares of the Company's Common
Stock  then  held by him in  favor of  management's  designated  proxies  at the
Company's Annual Meeting of Shareholders.

     See also "Compensation of Directors,"  "Compensation  Committee  Interlocks
and  Insider   Participation"  and  "Employment  Contracts  and  Termination  of
Employment and Change-in-Control Arrangements."

                                       19
<PAGE>


Company Performance

     The following  graph shows a five year  comparison of the cumulative  total
return for the Company's  Common Stock,  the Nasdaq Composite Total Return Index
(U.S.), and the Standard & Poor's Technology Sector Index: (1)


                COMPARISON OF FIVE YEAR CUMULATIVE TOTAL RETURNS*
                        AMONG TRIMBLE NAVIGATION LIMITED,
                   NASDAQ COMPOSITE TOTAL RETURN INDEX (U.S.)
                     SOURCE: CRSP, AND THE STANDARD & POOR'S
                             TECHNOLOGY SECTOR INDEX


[The performance graph has been omitted. Performance Graph. The performance
graph  required by Item 402(l) of Regulation  S-K is set forth in the paper copy
of  the  Proxy  Statement  immediately  following  the  caption  "COMPARISON  OF
FIVEYEAR CUMULATIVE TOTAL RETURN".

     The performance  graph plots the data points listed below the graph for the
data sets (i) Trimble  Navigation  Limtied,  (ii) Nasdaq  Composite Total Return
Index (US) and (iii) the Standard & Poor's  Technology  Sector Index.  The graph
has a horizontal axis at its bottom which lists from left to right the dates 94,
95, 96, 97, and 98. The graph has a vertical  axis at its left which  lists from
bottom to top the numbers 0, 100,  200,  300,  and 400. The data points for each
data  set are  plotted  on the  graph  and are  connected  by a line.  The  line
connecting  the data points in the Trimble  Navigation  Limited data set is bold
with square to mark data points,  while the lines  connecting the data points in
the Nasdaq  Composite  Total Return  Index (US) data set and the S&P  Technology
Sector  Index data set are  dashed  with  triangle  to mark data point and small
sqaure dashes with circle to mark data points, respectively.]

                    
                       DATA POINTS FOR PERFORMANCE GRAPH

                               12/93   12/94   12/95  12/96   12/97   12/98
                              ----------------------------------------------
TRIMBLE NAVIGATION 
     LIMITED            TRMB    100     186     210    130     246      82

NASDAQ STOCK MARKET 
     (U.S.)             INAS    100      98     138    170     208     294

S & P TECHNOLOGY 
     SECTOR             ITES    100     117     168    238     300     519

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

(1)   The data in the above graph is presented on a calendar  year basis through
      December  31,  1998 which is the most  currently  available  data from the
      indicated sources.  However,  the Company adopted a 52-53 week fiscal year
      effective  upon the end of fiscal  year 1997 such that the actual  date of
      the Company's fiscal year end for 1998 was January 1, 1999. Any variations
      due to the differences  between the actual date of the fiscal year end and
      the calendar year end are not expected to be material.

*     Assumes an investment of $100 on December 31, 1993 in the Company's Common
      Stock, the Nasdaq Composite Total Return Index (U.S.),  and the Standard &
      Poor's Technology  Sector Index.  Total returns assume the reinvestment of
      dividends  for the  indexes.  The Company has never paid  dividends on its
      Common Stock and has no present plans to do so.

                                       20
<PAGE>

              PROPOSAL II--AMENDMENT OF THE 1993 STOCK OPTION PLAN

     The Company's 1993 Stock Option Plan (the "Option Plan") was adopted by the
Board of Directors in October  1992 and  approved by the  shareholders  in April
1993.  Since then,  the Board of Directors and the  shareholders  of the Company
have approved  amendments to the Option Plan  increasing the shares reserved for
issuance  thereunder to an aggregate of 3,800,000 shares of the Company's Common
Stock. At the Record Date, options to purchase an aggregate of 3,156,532 shares,
having an average  exercise price of $12.73 per share and expiring from December
2001 to March 2009, were  outstanding and only 85,337 shares remained  available
for future grant under the Option Plan.

     On  January  15,  1999,  the  Board of  Directors  approved  an  additional
amendment to the Option Plan  increasing  the number of shares of the  Company's
Common  Stock  reserved  thereunder  by an  additional  1,200,000  shares  to an
aggregate  of  5,000,000  shares.  Prior to the Record  Date,  the  Company  has
previously  repurchased  an aggregate  of  1,469,500  shares of its Common Stock
(1,080,000 shares in 1998,  139,500 shares in 1997, and 250,000 shares in 1996,)
to partially  offset the dilution to existing  shareholders  resulting  from the
Company's option plans.

     Given the low number of shares currently  remaining for grant in the Option
Plan and the Company's present anticipated  executive,  managerial and technical
hiring needs and expectations, the Board of Directors believes that the increase
in the number of shares  under the  Option  Plan is  necessary  in order for the
Company  to be  competitive  in the  marketplace.  Over the years,  the  Silicon
Valley,  where the  Company  is  headquartered,  has  continued  to become  more
intensely competitive and attracting and recruiting highly skilled employees has
become  increasingly  difficult  for  the  Company.  Another  challenge  in  the
Company's  current  employment  market is to  ensure  that its  experienced  and
qualified  employees,  the Company's most significant  asset, are  appropriately
recognized,  rewarded,  and are  encouraged to stay with the Company and help it
grow, thereby increasing shareholder value.

     The use of stock  options as equity  incentives  in hiring,  retaining  and
motivating the most talented people within the available human resource pool has
been critical to the Company's  past overall  growth and success by  encouraging
and motiving high levels of performance from its employees and consultants.  The
proposed  amendment to the Option Plan  reflects the Company's  philosophy  that
stock  incentives  are  an  important  and  meaningful   component  of  employee
compensation, which enables the Company to attract the best available candidates
and to retain a talented employee base. The Board of Directors believes that the
proposed  amendment is in the best interests of the Company,  its  shareholders,
and its employees and at the Annual Meeting, the shareholders are being asked to
approve an increase of 1,200,000  shares of Common Stock  available for issuance
under the Option Plan.

     The essential features of the Option Plan are outlined below:

Purpose

     The  purposes  of the  Option  Plan  are to  attract  and  retain  the best
available  personnel for positions of substantial  responsibility and to provide
additional incentives to employees and consultants of the Company to promote the
success of the Company's business.

Administration

     The Option Plan  provides for  administration  by the Board of Directors of
the  Company or by a  Committee  of the Board of  Directors.  The Option Plan is
currently being  administered by the Board of Directors.  The interpretation and
construction  of any  provision  of the Option Plan by the Board of Directors or
its designated Committee is final and binding. Members of the Board of Directors
or its  Committee  receive no  additional  compensation  for their  services  in
connection with the administration of the Option Plan.

                                       21
<PAGE>

Eligibility

     The Option Plan provides for grants to employees (including officers of the
Company) of "incentive  stock options"  within the meaning of Section 422 of the
Internal Revenue Code of 1986, as amended,  and for grants of nonstatutory stock
options to employees  and  consultants.  The Board of Directors or its Committee
selects the optionees and  determines the number of shares to be subject to each
option.  Currently,  under the terms of the  Option  Plan,  no  employee  may be
granted, in any fiscal year, options under the plan to acquire more than 150,000
shares of the Common  Stock of the  Company.  Notwithstanding  such  limitation,
however,  an additional  one-time  grant to purchase up to 250,000 shares may be
made to any  newly-hired  officer  or  employee.  These  limits  are  subject to
appropriate  adjustments  in the case of stock splits,  reverse stock splits and
the like. In addition, in accordance with the applicable federal tax laws, there
is a limit of  $100,000  on the  aggregate  fair  market  value of shares  which
constitute  incentive stock options which become  exercisable for the first time
in any one calendar  year;  and options in excess of this limit are deemed to be
nonstatutory stock options.

Terms of Options

     Each option is evidenced by a written  stock option  agreement  between the
Company and the optionee and is  generally  subject to the terms and  conditions
listed below, but specific terms may vary:

     (a)  Exercise  of the  Option.  The Board of  Directors  or its  designated
Committee  determines  when  options  granted  under  the  Option  Plan  may  be
exercised.  The  current  forms of option  agreements  generally  used under the
Option  Plan  provide  that  options  vest over five  years and are  exercisable
cumulatively  to the  extent of 20% of the  option  shares on the date 12 months
after the vesting commencement date of the option and an additional 1.67% of the
option shares are exercisable at the end of each month thereafter.  An option is
exercised by giving  written  notice of exercise to the Company,  specifying the
number of shares of Common Stock to be purchased  and  tendering  payment to the
Company of the purchase  price.  The Option Plan specifies that the  permissible
form of payment for shares  issued upon exercise of an option shall be set forth
in the  option  agreement  and may  consist  of cash,  check,  promissory  note,
exchange of shares of the  Company's  Common Stock held for more than six months
or such other  consideration  as  determined  by the Board of  Directors  or its
Committee  and as permitted by the  California  Corporations  Code.  The current
forms of option  agreements  only permit  payment by cash,  check or exchange of
shares.

     (b) Option  Price.  The  exercise  price of the options  granted  under the
Option  Plan is  determined  by the  Board  of  Directors  or its  Committee  in
accordance with the Option Plan, but the option price of incentive stock options
and nonstatutory stock options may not be less than 100% and 85%,  respectively,
of the fair market value of the Company's Common Stock. The Option Plan provides
that,  because the  Company's  Common  Stock is  currently  traded on the Nasdaq
National  Market,  the fair market value per share shall be the closing price on
such  system  on the  date of the  grant  of the  option.  With  respect  to any
participant who owns stock representing more than 10% of the voting power of the
Company's  capital stock,  the exercise  price of any incentive or  nonstatutory
stock  option must equal at least 110% of the fair market value per share on the
date of the grant.

     (c)  Termination  of  Employment.  The  Option  Plan  provides  that if the
optionee's  employment by the Company is terminated  for any reason,  other than
death or  disability,  options may be exercised not later than 30 days after the
date of such  termination  and may be  exercised  only to the extent the options
were exercisable on the date of termination.

     (d) Disability.  If the optionee terminates his employment with the Company
as a result of his  total or  permanent  disability,  options  may be  exercised
within six months after the date of such  termination  and may be exercised only
to the extent the options were exercisable on the date of termination.


                                       22
<PAGE>


     (e) Death.  If an optionee  should die while an employee or a consultant of
the Company or during the 30 day period following  termination of the optionee's
employment or consultancy, the optionee's estate may exercise the options at any
time  within 12 months  after the date of death but only to the extent  that the
options were exercisable on the date of death or termination of employment.

     (f)  Termination of Options.  The terms of options granted under the Option
Plan may not  exceed  ten years  from the date of  grant.  However,  any  option
granted to any optionee who,  immediately before the grant of such option, owned
more than 10% of the total combined  voting power of all classes of stock of the
Company or a parent or subsidiary corporation,  may not have a term of more than
five years.  Under the current  form of option  agreements,  options  granted to
employees have a term of ten years from the date of grant while options  granted
to  consultants  and  independent  contractors  have a term  of  five-years  and
three-months  from the date of grant.  No option may be  exercised by any person
after such expiration.

     (g)  Nontransferability  of Options. All options are nontransferable by the
optionee,  other  than by will or the laws of  descent  and  distribution,  and,
during the lifetime of the optionee, may be exercised only by the optionee.

Adjustment Upon Changes in Capitalization

     In the event any change, such as a stock split or dividend,  is made in the
Company's  capitalization which results in an increase or decrease in the number
of outstanding  shares of Common Stock without receipt of  consideration  by the
Company, an appropriate  adjustment shall be made in the option price and in the
number  of  shares  subject  to  each  option.  In the  event  of  the  proposed
dissolution or liquidation of the Company, all outstanding options automatically
terminate.  In the  event  of a  merger  of the  Company  with or  into  another
corporation where the Company is not the successor entity,  options  outstanding
shall be assumed or an equivalent  option shall be  substituted by the successor
entity,  unless the Board of Directors  accelerates  the  exercisability  of the
options  such that the  optionee  shall  have the right to  exercise  his or her
option on or  before  the  effective  date of such  merger.  Should an option be
assumed or substituted upon a merger, the exercisability of the option will also
be accelerated if the successor entity terminates the employment of the optionee
within one year of the merger.

Amendment and Termination

     The Board of  Directors  may, at any time,  amend or  terminate  the Option
Plan, but no amendment or termination  may be made which would impair the rights
of any participant under any grant theretofore made, without his or her consent.
In addition, in any event, the Option Plan will terminate in 2003.

Certain Federal Income Tax Information

     Options  granted  under  the  Option  Plan may be either  "incentive  stock
options,"  as defined in Section 422 of the Internal  Revenue  Code of 1986,  as
amended (the "Code"), or nonstatutory options.

     An optionee  who is granted an incentive  stock  option will not  recognize
taxable  income  either at the time the option is granted or upon its  exercise,
although the exercise may subject the optionee to the  alternative  minimum tax.
Upon the sale or  exchange  of the shares more than two years after grant of the
option  and one year  after  exercising  the  option,  any gain or loss  will be
treated as long-term  capital  gain or loss.  If these  holding  periods are not
satisfied,  the optionee will recognize  ordinary  income at the time of sale or
exchange equal to the difference between the exercise price and the lower of (i)
the fair market  value of the shares at the date of the option  exercise or (ii)
the sale price of the shares.  A different  rule for measuring  ordinary  income
upon such a premature  disposition may apply if the optionee is also an officer,
director,  or 10% shareholder of the Company.  The Company will be entitled to a
deduction in the same amount as the ordinary income  recognized by the optionee.
Any gain  recognized on such a premature  disposition of the shares in excess of
the amount  treated as ordinary  income will be  characterized  as  long-term or
short-term capital gain, depending on the holding period.


                                       23
<PAGE>


     All other  options  which do not  qualify as  incentive  stock  options are
referred to as nonstatutory  options. An optionee will not recognize any taxable
income  at the time he is  granted  a  nonstatutory  option.  However,  upon its
exercise,  the optionee will recognize taxable income generally  measured as the
excess of the then fair market value of the shares  purchased  over the purchase
price. Any taxable income recognized in connection with an option exercise by an
optionee  who is  also  an  employee  of the  Company  will  be  subject  to tax
withholding  by the  Company.  Upon resale of such shares by the  optionee,  any
difference  between the sales price and the optionee's  purchase  price,  to the
extent not recognized as taxable income as described  above,  will be treated as
long-term or short-term capital gain or loss, depending on the holding period.

     The Company  will be entitled to a tax  deduction in the same amount as the
ordinary income  recognized by the Optionee with respect to shares acquired upon
exercise of a nonstatutory option.

     The  foregoing is only a summary of the effect of federal  income  taxation
upon the  optionee  and the Company  with  respect to the grant and  exercise of
options  under the Option  Plan and does not purport to be  complete.  Reference
should be made to the  applicable  provisions  of the Code.  In  addition,  this
summary does not discuss the tax  consequences  of the  optionee's  death or the
income  tax laws of any  municipality,  state  or  foreign  country  in which an
optionee may reside.

Vote Required

     Approval of the increase of 1,200,000 shares of Common Stock to be reserved
for issuance under the Option Plan requires the affirmative  vote of the holders
of a majority of the shares  present at the Annual Meeting in person or by proxy
and entitled to vote as of the Record Date.

Recommendation of the Board of Directors

     The  Company's  Board of  Directors  recommends  a vote FOR an  increase of
1,200,000  shares in the number of shares of Common Stock  reserved for issuance
under the Option Plan from 3,800,000 shares to an aggregate of 5,000,000 shares.


                                       24
<PAGE>


        PROPOSAL III--AMENDMENT OF THE 1988 EMPLOYEE STOCK PURCHASE PLAN

     The Company's 1988 Employee Stock Purchase Plan (the "Purchase Plan"),  was
adopted  by the  Board  of  Directors  in  September  1988 and  approved  by the
shareholders  in April 1989,  initially  reserving  400,000  shares for purchase
thereunder  by eligible  employees.  Since then,  the Board of Directors and the
shareholders  of the Company  have  approved  amendments  to the  Purchase  Plan
increasing the shares  available for purchase  thereunder to 2,350,000 shares of
the  Company's  Common Stock.  As of the Record Date,  eligible  employees  have
purchased an aggregate of 1,947,158  shares of the Company's  Common Stock under
the Purchase Plan and 402,842 shares  remained  available for future sales under
the Purchase Plan.  During fiscal year 1998,  eligible  employees of the Company
purchased an aggregate of 332,154  shares at an average price of $8.51 per share
under the  Purchase  Plan and,  during  the prior  fiscal  year  1997,  eligible
employees purchased an aggregate of 223,009 shares at an average price of $11.95
per share under the Purchase Plan.

     On  January  15,  1999,  the  Board of  Directors  approved  an  additional
amendment to the Purchase  Plan to increase the number of shares of Common Stock
available for future purchase by Company's  eligible employees by 600,000 shares
to an aggregate of 2,950,000  shares.  The Company  believes that  maintaining a
competitive  employee  stock  purchase  program is an important  element in both
recruiting and retaining  employees in its current employment  environment.  The
Company's  Purchase  Plan is designed to more closely align the interests of the
Company's  employees and  shareholders by encouraging  employees to invest their
own money in the Company's equity securities.  By allowing eligible employees to
purchase shares of the Company's Common Stock at a slight discount, as described
below under "Purchase  Price," the Company's  Purchase Plan actually  encourages
employees to become  shareholders of the Company,  thereby providing them with a
direct incentive in the long-term growth and overall success of the Company.

     The Company is also requesting the authorization of additional shares under
the Purchase Plan in order to preserve the current benefits of the Purchase Plan
for employees and favorable  accounting  treatment for the Company. The Purchase
Plan currently  provides for six month  enrollment  periods,  as described below
under "Offering  Periods." Under current accounting rules, if at the start of an
enrollment  period,  the shares  reserved for issuance  under an employee  stock
purchase plan are  insufficient  to cover all shares  issuable  throughout  that
period, and (i) any shares sold during an enrollment period are authorized after
the  commencement  of  the  enrollment  period,  and  (ii)  on  such  subsequent
authorization  date,  the fair market value ("FMV") of the shares is higher than
the FMV of the  shares  at the  beginning  of the  enrollment  period,  then the
Company  would be required to record a charge to  earnings  for each  subsequent
quarter  in which the FMV of shares on a  semi-annual  purchase  date was higher
than the FMV of the shares on the  enrollment  date,  to reflect  the  perceived
compensatory  element of the difference in FMV. Such an accounting  charge could
be  significant  to the Company  depending upon the size of the shortfall in the
number of shares and the change in FMV in such shares.

     The Company  believes  that the amendment  increasing  the number of shares
under the  Purchase  Plan will  enable  the  Company to  continue  its policy of
encouraging  widespread  employee  stock  ownership as a means of motiving  high
levels  of  employee  performance  and  encouraging  employees  to stay with the
Company and help it grow,  thereby  increasing  shareholder  value. The Board of
Directors  believes that the proposed  amendment is in the best interests of the
Company,  its  shareholders,  and its employees and at the Annual  Meeting,  the
shareholders  are being asked to approve an increase  of 600,000  shares  Common
Stock  available for future  purchase by eligible  employees  under the Purchase
Plan.

     The essential features of the Purchase Plan are outlined below:


                                       25
<PAGE>


Purpose

     The  purpose  of  the  Purchase  Plan  is  to  provide  employees  with  an
opportunity to purchase Common Stock of the Company  through payroll  deductions
in a manner that  qualifies  under  Section 423 of the Internal  Revenue Code of
1986, as amended.

Administration

     The Purchase Plan is administered by the Board of Directors or a designated
Committee of the Board of Directors (collectively, the "Administrator").

Eligibility

     Only employees employed by the Company or its subsidiaries on the first day
of an offering period may participate in the Purchase Plan. For this purpose, an
"employee"  is any person  who has been  continually  employed  for at least two
consecutive  months and is regularly employed at least twenty hours per week and
at  least  five  months  per  calendar  year  by  the  Company  or  any  of  its
subsidiaries.  No employee may be granted an option under the Purchase  Plan if:
(i) immediately after the grant of the option, the employee (or any other person
whose stock would be  attributed to the employee  pursuant to Section  424(d) of
the Code) would own five percent or more of the total  combined  voting power or
value of the stock of the  Company  or any of its  subsidiaries;  or (ii)  which
permits such  participant's  rights to purchase  stock under all employee  stock
purchase  plans of the  Company and its  subsidiaries  to accrue at a rate which
exceeds  $25,000 worth of stock  (determined  with  reference to the fair market
value of the Common Stock at the time of grant) in a calendar  year.  Subject to
these  eligibility  criteria,  the Purchase Plan permits  eligible  employees to
purchase Common Stock through payroll deductions subject to certain  limitations
described below. See "Payment of Purchase Price; Payroll Deductions."

Offering Periods

     The Purchase Plan is  implemented  by offering  periods  lasting six months
with a new offering period  commencing every six months, on or about January 1st
and July 1st of each year.  Normally,  a  participant's  payroll  deductions are
accumulated  throughout  an  offering  period  and,  at the end of the  offering
period,  shares of the Company's Common Stock are purchased with the accumulated
payroll deductions.

Purchase Price

     The  purchase  price per share at which  shares will be sold in an offering
under the  Purchase  Plan is the lower of (i) 85% of the fair market  value of a
share of Common Stock on the first day of an offering  period or (ii) 85% of the
fair market  value of a share of Common  Stock on the last day of each  offering
period.  The fair market  value of the Common Stock on a given date is generally
the closing  sale price of the Common  Stock as reported on the Nasdaq  National
Market for such date.

Payment of Purchase Price; Payroll Deductions

     The purchase price of the shares is accumulated by payroll  deductions over
the offering  period.  The Purchase  Plan  provides  that the  aggregate of such
payroll  deductions  during  the  offering  period  shall not  exceed 10% of the
participant's  compensation  during any  offering  period,  nor  $21,250 for all
offering periods which end in the same calendar year. During an offering period,
a participant may discontinue his or her participation in the Purchase Plan, and
may decrease,  but not increase,  the rate of payroll  deductions in an offering
period within limits set by the Administrator.

                                       26
<PAGE>

     All  payroll  deductions  made  for  a  participant  are  credited  to  the
participant's account under the Purchase Plan, are withheld in whole percentages
only and are included with the general funds of the Company.  Funds  received by
the Company  pursuant to exercises  under the Purchase Plan are used for general
corporate  and  working  capital  purposes.  A  participant  may  not  make  any
additional payments into his or her account.

Withdrawal

     A participant may terminate his or her  participation  in the Purchase Plan
at any time by giving the Company a written notice of withdrawal. In such event,
all of the payroll  deductions  credited to the  participant's  account  will be
returned,  without interest,  to such participant.  Payroll  deductions will not
resume unless a new  subscription  agreement is delivered in  connection  with a
subsequent offering period.

Termination of Employment

     Termination  of  a  participant's  employment  for  any  reason,  including
retirement  or death,  cancels his or her  participation  in the  Purchase  Plan
immediately.  In such event the payroll deductions credited to the participant's
account but not used to exercise the option will be returned without interest to
such  participant,  his or her  designated  beneficiaries  or the  executors  or
administrators of his or her estate.

Adjustments Upon Changes in Capitalization

     In the event of any changes in the  capitalization  of the Company effected
without receipt of  consideration by the Company,  such as a stock split,  stock
dividend,  combination or reclassification of the Common Stock,  resulting in an
increase  or  decrease  in the number of shares of Common  Stock,  proportionate
adjustments  will be made by the Board of  Directors  in the  shares  subject to
purchase  and in the price per share under the  Purchase  Plan.  In the event of
liquidation or dissolution of the Company, the offering periods then in progress
will  terminate  immediately  prior to the  consummation  of such  event  unless
otherwise  provided by the Board of Directors.  In the event of a sale of all or
substantially  all of the assets of the  Company,  or the merger of the  Company
with or into another corporation, any offering periods then in progress shall be
shortened by the setting of a new exercise  date to be held before the Company's
proposed  sale or merger.  At least ten days before the new exercise  date,  the
Board of Directors will notify each  participant that the exercise date has been
changed and that the participant's option will automatically exercise on the new
exercise date, unless the participant withdraws from the Purchase Plan.

Amendment and Termination

     The  Board  of  Directors  may at any  time  and for any  reason  amend  or
terminate the Purchase Plan,  except that (i) no such  termination  shall affect
options  previously  granted  unless  the  Board of  Directors  determines  that
terminating an Offering  Period is in the best interests of the Company and (ii)
no amendment  shall make any change in an option  granted  prior  thereto  which
adversely affects the rights of any participant.

Certain Federal Income Tax Information

     The following  brief summary of the effect of federal income  taxation upon
the participant  and the Company with respect to the shares  purchased under the
Purchase  Plan does not  purport to be  complete,  and does not  discuss the tax
consequences  of a  participant's  death or the  income tax laws of any state or
foreign country in which the participant may reside.

         The Purchase  Plan,  and the right of  participants  to make  purchases
thereunder,  is intended to qualify under the provisions of Sections 421 and 423
of the Code. Under these provisions,  no income will be taxable to a participant
until  the  shares  purchased  under  the  Purchase  Plan are sold or  otherwise
disposed.  Upon sale or other  disposition of the shares,  the participant  will
generally be subject to tax in an amount that  depends upon the holding  period.


                                       27
<PAGE>

If the shares  are sold or  otherwise  disposed  of more than two years from the
Enrollment Date and one year from the applicable  Exercise Date, the participant
will recognize  ordinary  income measured as the lesser of (a) the excess of the
fair market value of the shares at the time of such sale or disposition over the
purchase  price,  or (b) an amount  equal to 15% of the fair market value of the
shares  as of the  Enrollment  Date.  Any  additional  gain will be  treated  as
long-term  capital gain. If the shares are sold or otherwise  disposed of before
the expiration of these holding periods, the participant will recognize ordinary
income  generally  measured as the excess of the fair market value of the shares
on the date the shares are purchased  over the purchase  price.  Any  additional
gain or loss on such sale or disposition will be long-term or short-term capital
gain or loss,  depending  on the holding  period.  The Company  generally is not
entitled to a deduction for amounts taxed as ordinary  income or capital gain to
a participant except to the extent of ordinary income recognized by participants
upon a sale or  disposition  of shares  prior to the  expiration  of the holding
periods described above.

Vote Required

     Approval of the increase of 600,000  shares of Common Stock  available  for
purchase by eligible  employees under the Purchase Plan requires the affirmative
vote of the holders of a majority of the shares present at the Annual Meeting in
person or by proxy and entitled to vote as of the Record Date.

Recommendation of the Board of Directors

     The  Company's  Board of  Directors  recommends  a vote FOR an  increase of
600,000 shares in the number of shares of Common Stock available for purchase by
eligible employees under the Purchase Plan from 2,350,000 shares to an aggregate
of 2,950,000 shares.


                                       28
<PAGE>

        PROPOSAL IV--RATIFICATION OF APPOINTMENT OF INDEPENDENT AUDITORS

     The Board of Directors has appointed Ernst & Young LLP ("Ernst & Young") as
the Company's  independent  auditors,  to audit the financial  statements of the
Company for the current fiscal year ending December 31, 1999.  Ernst & Young has
been the Company's  independent  auditors  since their  appointment in 1986. The
Company  expects that a  representative  of Ernst & Young will be present at the
Annual  Meeting,  will have the  opportunity  to make a  statement  if he or she
desires to do so, and will be available to answer any appropriate questions.

Vote Required

     Ratification  of  the  appointment  of  Ernst  &  Young  as  the  Company's
independent  auditors for the current fiscal year ending December 31, 1999, will
require the affirmative  vote of the holders of a majority of the shares present
at the  Annual  Meeting  in person or by proxy  and  entitled  to vote as of the
Record Date.  In the event that such  ratification  by the  shareholders  is not
obtained, the Board of Directors will reconsider such selection.

Recommendation of the Board of Directors

     The Company's Board of Directors  recommends a vote FOR the ratification of
the appointment of Ernst & Young LLP as the independent auditors for the Company
for the current fiscal year ending December 31, 1999.


                                  OTHER MATTERS

     The Company knows of no other matters to be submitted for  consideration at
the  Annual  Meeting.  If any other  matters  properly  come  before  the Annual
Meeting,  it is the intention of the persons named in the enclosed Proxy to vote
the shares they represent as the Board of Directors may recommend. Discretionary
authority  with respect to such other matters is granted by the execution of the
enclosed Proxy.

     It is important that your shares be represented at the meeting,  regardless
of the number of shares which you hold. You are, therefore, urged to mark, sign,
date, and return the accompanying  Proxy as promptly as possible in the envelope
which has been enclosed.

                                               For the Board of Directors
                                               TRIMBLE NAVIGATION LIMITED

                                               ROBERT S. COOPER
                                               Chairman of the Board

Dated: April 30, 1999


                                       29
<PAGE>

                                   APPENDIX A

PROXY                    TRIMBLE NAVIGATION LIMITED                        PROXY

                  PROXY FOR 1999 ANNUAL MEETING OF SHAREHOLDERS

           This Proxy is Solicited on Behalf of the Board of Directors

     The undersigned  shareholder of TRIMBLE  NAVIGATION  LIMITED,  a California
corporation,  hereby  acknowledges  reciept of the  Notice of Annual  Meeting of
Shareholders and Proxy Statement, each Dated April 30, 1999, and hereby appoints
Robert S.  Cooper and  Bradford  W.  Parkinson,  and each of them,  proxies  and
attorneys- in-fact, with full power to each of subsitution, on behalf and in the
name of the undersigned, to represent the undersigned at the 1999 Annual Meeting
of Shareholders of TRIMBLE NAVIGATION LIMITED, to be held on Wednesday,  June 2,
1999 at 1:00 p.m.,  local time,  at the Westin Hotel in Santa Clara,  located at
5101 Great America Parkway, Santa Clara,  California 95054 in the Magnolia Room,
and at any adjournment(s)  thereof, and to vote all shares of Common Stock which
the undersigned would be entitled to vote if then and there personally  present,
on the matters set forth below.

     THIS PROXY WILL BE VOTED AS DIRECTED OR, IF NO DIRECTION IS  INDICATED,  IT
WILL BE VOTED FOR THE LISTED  NOMINEES  IN THE  ELECTION OF  DIRECTORS,  FOR THE
APPROVAL OF AN INCREASE OF  1,200,000  SHARES IN THE NUMBER OF SHARES  AVAILABLE
FOR ISSUANCE  UNDER THE COMPANY'S 1993 STOCK OPTION PLAN, FOR THE APPROVAL OF AN
INCREASE OF 600,000 SHARES IN THE NUMBER OF SHARES  AVAILABLE FOR PURCHASE UNDER
THE COMPANY'S 1988 EMPLOYEE STOCK  PURCHASE  PLAN, FOR THE  RATIFICATION  OF THE
APPOINTMENT  OF ERNST & YOUNG LLP AS  INDEPENDENT  AUDITORS  FOR THE FISCAL YEAR
ENDING  DECEMBER  31, 1999,  AND AS SAID  PROXIES  DEEM  ADVISABLE ON SUCH OTHER
MATTERS AS MAY PROPERLY COME BEFORE THE MEETING.


     Both of such  attorneys or  substitutes  (if both are present and acting at
said meeting or any ajournment(s)  thereof, or, if only one shall be present and
acting,  then that one)  shall have and may  exercise  all of the powers of said
attorneys-in-fact hereunder.

                 (Continued, and to be signed on the other side)


                              FOLD AND DETACH HERE



                                       30
<PAGE>



 
                                                                    Please mark
                                                                 [X] your votes
                                                                      as this

<TABLE>
<CAPTION>
<S>                                     <C>          <C>            <C>                                         <C> <C>     <C>

1. Elections of Directors                             WITHHOLD
                                         FOR          FOR All
(INSTRUCTION: If you wish to                                                                                     FOR AGAINST ABSTAIN
withhold authority to vote for           [ ]            [ ]          2.Proposal to approve an increase of
any individual nominee, strike                                       1,200,000 shares in the number of shares
a line through that nominee's                                        of Common Stock reserved for issuance        [ ]    [ ]     [ ]
name in the list below:)                                             under the Comapny's 1993 Stock Option Plan
                                                                     from 3,800,000 shares to an aggregate of 
Steven W. Berglund, Robert S. Cooper, John B. Goodrich,              of 5,000,000 shares.
William Hart, Norman Y. Mineta, and  Bradford W. Parkinson                          
___________________________________________________________          3. Proposal to approve an increase of 600,000
                                                                     shares in the number of shares of Comon Stock
                                                                     available for purchase by eligible employees
                                                                     under the Company's 1988 Employee Stock      [ ]    [ ]     [ ]
                                                                     Purchase Plan from 2,350,000 shares to           
                                                                     2,950,000 shares.
 
                                                                     4.Proposal to approve to ratify the appoint-
                                                                     ment of Ernst & Young LLP as the independent [ ]    [ ]     [ ]
                                                                     auditors of the Company for the current
                                                                     fiscal year ending December 31, 1999.

I PLAN TO ATTEND THE MEETING                 [   ]                   5. Proposal to approve to transact such other
                                                                     business as may properly come before the     [ ]    [ ]     [ ]
                                                                     meeting or any adjournment thereof.
                    
                                                                                         
                                                                           _ _ _ _ _ _   
                                                                                      |  
                                                                                      |  
                                                                                      |  
                                                                                      |  
                                                                                      | 
                                                                                      |  
                                                                                      | 
                                                                                         

 
                                                                                          COMMENTS/ADDRESS CHANGE
                                                                                          Please mark this box if you
                                                                                          have written comments/address        [   ]
                                                                                          change on the reverse side.



Signature(s)______________________________________________   Dated _______, 1999
(This Proxy should be marked, dated, signed by the shareholder(s) exactly as his
or her name appears hereon, an returned promptly in the enclosed envelope. If
signing for estates, trusts, corporations, or partnerships title or capacity
should be stated. If shares are held jointly each holder should sign.)


</TABLE>
                              FOLD AND DETACH HERE


                                       31
<PAGE>


                                   APPENDIX B



TRIMBLE NAVIGATION LIMITED ANNUAL MEETING TO BE HELD ON 06/02/99 AT 1:00 P.M.
PDT FOR HOLDERS AS OF 04/09/99           * ISSUER CONFIRMATION COPY - INFO ONLY*
    14    1-0001    THIS FORM IS PROVIDED FOR INFORMATIONAL
                    PURPOSES ONLY. PLEASE DO NOT USE IT FOR
                    VOTING PURPOSES.
CUSIP: 896239100

DIRECTORS                                         CONTROL NO.
- ----------                                                              |-------
DIRECTORS RECOMMENDED: A VOTE FOR ELECTION OF THE FOLLWOING             |
DIRECTORS                                                        0010100| 
1- 01-STEVEN W. BERGLUND, 02-ROBERT S. COOPER, 03-JOHN B GOODRICH,      |
   04-WILLIAM HART, 05-NORMAN Y. MINETA, 06-BRADFORD W. PARKINSON       |



                                                                     DIRECTORS
PROPOSALS                                                           RECOMMENDED
- ----------                                                         ------------
     2 *- PROPOSAL TO APPROVE AN INCERASE OF 1,200,000 SHARES           FOR   
          IN THE NUMBER OF SHARES OF COMMON STOCK RESERVED            0020701
          FOR ISSUANCE UNDER THE COMPANY'S 1993 STOCK OPTION 
          PLAN FROM  3,800,000 SHARES TO AN AGGREGATE OF
          5,000,000 SHARES. 

     3 *- PROPOSAL TO APPROVE AN INCREASE OF 600,000 SHARES IN          FOR
          THE NUMBER OF SHARES OF COMMON STOCK AVAILABLE FOR           0020801
          PURCHASE BY ELIGIBLE EMPLOYEES UNDER THE COMPANY'S 
          1988 EMPLOYEE STOCK PURCHASE PLAN FROM 2,350,000 SHARES 
          TO AN AGGREGATE OF 2,950,000 SHARES.

     4 *- PROPOSAL TO RATIFY THE APPOINTMENT OF ERNST & YOUNG LLP       FOR
          AS INDEPENDENT AUDTIORS OF THE COMPANY FOR THE CURRENT      0010200
          FISCAL YEAR ENDING DECEMBER 31, 1999.

     5 *-  PROPOSAL TO APPROVE TO TRANSACT SUCH OTHER BUSINESS AS       FOR
           MAY PROPERLY COME BEFORE THE MEETING OR ANY ADJOURNMENT    0039902
           THEREOF.
                                                                           

                                       32
<PAGE>
     



FOLD AND DETACH HERE

          TRIMBLE NAVIGATION LIMITED
          06/02/99 AT 1:00 P.M. PDT                   
                 2 ITEM(S)                SHARE(S)

                  DIRECTORS
                  ---------
         (MARK 'X' FOR ONLY ONE BOX)

1 [   ]   FOR ALL NOMINEES
                                                            |------
  [   ]   WITHHOLD ALL NOMINEES                             |
                                                            |
  [   ]   WITHHOLD AUTHORITY TO VOTE FOR
          ANY INDIVIDUAL NOMINEE. WRITE
          NUMBER(S) OF NOMINEE(S) BELOW.

  USE NUMBER ONLY __________________________

   FOR    AGAINST   ABSTAIN 
2 [   ]    [   ]     [   ]    PLEASE INDICATE YOUR PROPOSAL SELECTION BY
                              FIRMLY PLACING AN 'X' IN THE APPROPRIATE     [X]
                              NUMBERED BOX WITH BLUE OR BLACK INK ONLY

     DO NOT USE               SEE VOTING INSTRUCTIONS NO. 2 ON REVERSE

     DO NOT USE               ACCOUNT NO:
      
   FOR    AGAINST   ABSTAIN   CUSIP: 896239100
3 [   ]    [   ]     [   ]
                              CONTROL NO:

     DO NOT USE               CLIENT NO:

     DO NOT USE               PLEASE MARK HERE IF YOU PLAN TO ATTEND 
                              AND VOTE YOUR SHARES AT THE MEETING     [   ]
   FOR    AGAINST   ABSTAIN
4 [   ]    [   ]     [   ]

     DO NOT USE
                              51 MERCEDES WAY
     DO NOT USE               EDGEWOOD NY 17717
                               
   FOR    AGAINST   ABSTAIN     
5 [   ]    [   ]     [   ]

     DO NOT USE   
                              TRIMBLE NAVIGATION LIMITED
     DO NOT USE               ATTN:BARBARA HALL
                              645 N MARY AVE
                              SUNNYVALE, CA  94088
   
       
                              _____________________________________  /____/____
FOLD AND DETACH HERE          SIGNATURE(S)                            DATE


                                   

                                       33
<PAGE>


                                   APPENDIX C

                           TRIMBLE NAVIGATION LIMITED
                             
                             1993 STOCK OPTION PLAN
                            (as amended May 5, 1998)

     1.  Purposes of the Plan.  The  purposes  of this Stock  Option Plan are to
attract and retain the best  available  personnel for  positions of  substantial
responsibility, to provide additional incentive to the Employees and Consultants
of the Company and to promote the success of the Company's business.

     Options  granted  hereunder  may  be  either  Incentive  Stock  Options  or
Nonstatutory  Stock Options,  at the discretion of the Board and as reflected in
the terms of the written option agreement.

     2. Definitions. As used herein, the following definitions shall apply:

        (a)  "Administrator"  means the Board or any of its Committees appointed
pursuant to Section 4 of the Plan.

        (b) "Board" shall mean the Committee, if one has been appointed,  or the
Board of Directors of the Company, if no Committee is appointed.

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

        (d)  "Committee"  shall mean the Committee  appointed  by the  Board  of
Directors in accordance with  paragraph (a)  of Section 4 of the Plan, if one is
appointed.

        (e) "Common Stock" shall mean the Common Stock of the Company.

        (f)  "Company"  shall  mean  Trimble  Navigation Limited,  a California
corporation.

        (g) "Consultant" shall mean any person who is engaged by the Company or 
any Parent or Subsidiary to render  consulting  services and is compensated for
such consulting  services,  and any director of the Company  whether compensated
for such  services  or not,  provided  that the term  Consultant  shall not  
include directors  who are  not  compensated  for  their  services  or are paid 
only a director's fee by the Company.

        (h) "Continuous Status as an Employee or Consultant" shall mean the 
absence of any  interruption  or  termination  of service as an Employee or  
Consultant. Continuous  Status  as  an  Employee  or  Consultant  shall  not be
considered interrupted  in the case of sick leave,  military  leave,  or any 
other leave of absence  approved by the  Company or any Parent or Subsidiary of 
the  Company; provided  that  such  leave  is for a  period  of  not  more than 
90  days  or reemployment  upon the  expiration  of such leave is  guaranteed by
contract or statute.


                                       34
<PAGE>


        (i)  "Employee" shall mean any person, including officers and directors,
employed by the Company or any Parent or Subsidiary of the Company.  The payment
of a  director's  fee by the  Company  shall  not be  sufficient  to  constitute
"employment" by the Company.

        (j) "Exchange Act" means the Securities Exchange Act of 1934, as 
amended.

        (k) "Fair Market  Value" means,  as of any date,  the value of Common 
Stock determined as follows:

               (i) If the Common Stock is listed on any established stock 
exchange or a national market system including without limitation the National 
Market System of the National Association of Securities Dealers, Inc. Automated 
Quotation ("NASDAQ") System, its Fair Market Value shall be the closing sales 
price for such stock (or the closing bid, if no sales were reported, as quoted 
on such system or exchange for the last market trading day prior to the time of 
determination) as reported in the Wall Street Journal or such other source as
the Administrator deems reliable;

               (ii) If the  Common  Stock is quoted on the NASDAQ  System  
(but not on the National Market System thereof) or regularly  quoted by a 
recognized  securities dealer but selling  prices are not reported,  its Fair
Market Value shall be the mean between the high and low asked prices for the 
Common Stock or;

               (iii) In the absence of an  established  market for the Common  
Stock,  the Fair  Market  Value   thereof   shall  be   determined  in  good  
faith  by  the Administrator.

        (l) "Incentive Stock Option" shall mean an Option intended to qualify 
as an incentive stock option within the meaning of Section 422 of the Code.

        (m)  "Nonstatutory  Stock  Option"  shall  mean an Option not  intended 
 to qualify as an Incentive Stock Option.

        (n) "Option" shall mean a stock option granted pursuant to the Plan.

        (o) "Optioned Stock" shall mean the Common Stock subject to an Option.

        (p) "Optionee" shall mean an Employee or Consultant who receives an 
Option.

        (q) "Parent"  shall mean a "parent  corporation",  whether now or 
hereafter existing, as defined in Section 424(e) of the Code.

        (r) "Plan" shall mean this 1993 Stock Option Plan.

        (s)  "Share"  shall  mean a share  of the  Common  Stock,  as  adjusted 
in accordance with Section 11 of the Plan.


                                       35
<PAGE>


        (t)  "Subsidiary"  shall mean a  "subsidiary  corporation", whether now 
or hereafter existing, as defined in Section 424(f) of the Code.

     3.  Stock Subject to the Plan.  Subject to the  provisions of Section 11 of
the Plan, the maximum  aggregate number of shares which may be optioned and sold
under  the  Plan  is  3,800,000  shares  of  Common  Stock.  The  Shares  may be
authorized, but unissued, or reacquired Common Stock.

     If an Option should expire or become  unexercisable  for any reason without
having been exercised in full, the unpurchased Shares which were subject thereto
shall,  unless the Plan shall have been terminated,  become available for future
grant under the Plan.  Notwithstanding  any other provision of the Plan,  shares
issued  under the Plan and later  repurchased  by the  Company  shall not become
available for future grant or sale under the Plan.

     4. Administration of the Plan.

        (a) Procedure.

               (i)  Multiple  Administrative  Bodies.  The  Plan  may be  
administered  by different   Committees  with  respect  to  different  groups 
of  Employees  and Consultants.

               (ii) Section 162(m). To the extent that the Administrator  
determines it to be  desirable  to  qualify  Options  granted  hereunder  as  
"performance-based compensation"  within the meaning of Section  162(m) of the 
Code, the Plan shall be  administered  by a Committee of two or more "outside  
directors"  within the meaning of Section 162(m) of the Code.

               (iii) Rule 16b-3. To the extent desirable to qualify transactions
hereunder as exempt under Rule 16b-3,  the  transactions contemplated hereunder 
shall be structured to satisfy the requirements for exemption under Rule 16b-3.

        (b) Powers of the Administrator. Subject to the provisions of the Plan 
and in the case of a Committee,  the specific duties  delegated by the Board to
such committee, the Administrator shall have the authority, in its discretion:

               (i) to determine the Fair Market Value of the Common  Stock,  in 
accordance with Section 2(k) of the Plan;

               (ii) to select the officers,  Consultants and Employees to whom 
Options may from time to time be granted hereunder;

               (iii)  to  determine  whether  and  to  what  extent  Options  
are  granted hereunder;

               (iv) to  determine  the  number of shares of Common  Stock to be 
covered by each such award granted hereunder;



                                       36
<PAGE>


               (v) to approve forms of agreement for use under the Plan;

               (vi) to determine the terms and conditions, not inconsistent with
the terms of the Plan, of any award granted hereunder (including,  but not
limited to, the share price and any  restriction or limitation,  or any vesting 
acceleration or waiver of  forfeiture  restrictions  regarding  any Option  and/
or the shares of Common  Stock  relating  thereto,  based  in each case on such 
factors  as the Administrator shall determine, in its sole discretion);

               (vii) to determine  whether and under what  circumstances  an 
Option may be settled in cash under subsection 9(e) instead of Common Stock;

               (viii) to determine  whether,  to what extent and under what 
circumstances Common Stock and other amounts  payable with respect to an award 
under this Plan shall be deferred  either  automatically  or at the election of 
the  participant (including  providing  for and  determining  the  amount,  if 
any, of any deemed earnings on any deferred amount during any deferral period);

               (ix) to reduce the  exercise  price of any Option to the then  
current Fair Market Value if the Fair Market Value of the Common Stock covered
by such Option shall have declined since the date the Option was granted; and

        (c)  Effect of Administrator's Decision. All decisions, determinations 
and interpretations of the Administrator shall be final and binding on all 
Optionees and any other holders of any Options.

        (d)  Grant  Limits. The following limitations  shall  apply to grants of
Options under the Plan:

               (i) No  employee  shall be  granted,  in any fiscal  year of the 
Company, Options under the Plan to purchase more than 150,000  Shares,  provided
that the Company  may make an  additional  one-time  grant  of up to  250,000 
Shares  to newly-hired Employees.

               (ii)  The  foregoing  limitations  shall  be  adjusted  
proportionately  in connection  with any change in the  Company's capitalization
as  described  in Section 11.

               (iii)  If  an  Option  is  cancelled  (other than  in connection 
with  a transaction  described in  Section 11),  the  cancelled  Option shall be
counted against  the  limits  set forth in  Section 4(d)(i).  For this purpose, 
if the exercise  price of an Option is reduced,  the  transaction  will be
treated as a cancellation of the Option and the grant of a new Option.

     5. Eligibility.

        (a) Nonstatutory Stock Options may be granted only to Employees,
Directors, and  Consultants.  Incentive Stock Options may be granted only to 
Employees.  An Employee, Director, or



                                       37
<PAGE>

         
Consultant who has been granted an Option may, if he is otherwise eligible,
be granted an additional Option or Options.

        (b) Each Option  shall be designated in the written  option agreement as
either an  Incentive  Stock  Option or a  Nonstatutory  Stock  Option.  However,
notwithstanding such designations,  to the extent that the aggregate Fair Market
Value of the Shares with respect to which Options  designated as Incentive Stock
Options are  exercisable  for the first time by any Optionee during any calendar
year  (under  all plans of the  Company  or any  Parent or  Subsidiary)  exceeds
$100,000, such excess Options shall be treated as Nonstatutory Stock Options.

        (c) For purposes of Section 5(b), Incentive Stock Options shall be taken
into account in the order in which they were granted,  and the Fair Market Value
of the Shares shall be determined as of the time the Option with respect to such
Shares is granted.

        (d) The Plan shall not confer upon any Optionee any right with respect 
to continuation  of  employment or consulting  relationship  with the Company,  
nor shall it interfere in any way with his right or the Company's right to 
terminate his employment or consulting relationship at any time, with or without
cause.

     6. Term of Plan.  The Plan shall become effective upon the earlier to occur
of its adoption by the Board of Directors or its approval by the shareholders of
the Company as described in Section 18 of the Plan. It shall  continue in effect
for a term of ten (10) years unless  sooner  terminated  under Section 14 of the
Plan.

     7. Term of Option. The term of each Option shall be ten (10) years from the
date of grant  thereof or such  shorter  term as may be  provided  in the Option
Agreement.  However,  in the case of an  Incentive  Stock  Option  granted to an
Optionee who, at the time the Option is granted,  owns stock  representing  more
than ten  percent  (10%) of the  voting  power  of all  classes  of stock of the
Company or any Parent or  Subsidiary,  the term of the Option  shall be five (5)
years from the date of grant  thereof or such shorter term as may be provided in
the Option Agreement.

     8. Exercise Price and Consideration.

        (a) The per Share exercise price for the Shares to be issued pursuant to
exercise of an Option  shall be such price as is  determined  by the Board,  but
shall be subject to the following:

               (i) In the case of an Incentive Stock Option

                    (A) granted to an Employee who, at the time of the grant of 
such   Incentive Stock Option,  owns stock representing more than ten percent 
(10%) of  the voting power of all  classes of stock of the Company or any Parent
or   Subsidiary, the per Share exercise price shall be no less than 110% of the 
Fair Market Value per Share on the date of grant.


                                       38
<PAGE>

                    (B) granted to any Employee,  the per Share exercise price 
shall be no less than 100% of the Fair Market Value per Share on the date of 
grant.

               (ii) In the case of a  Nonstatutory Stock Option,  the per Share 
exercise price shall be determined by the  Administrator.  In the case of a  
Nonstatutory Stock Option intended to qualify as "performance-based  
compensation" within the meaning of Section  162(m) of the Code, the per Share 
exercise price shall be no less than 100% of the Fair Market Value per Share on 
the date of grant.

               (iii)  Notwithstanding  the  foregoing,  Options may be granted  
with a per Share exercise price of less than 100% of the Fair Market Value per 
Share on the date of grant pursuant to a merger or other corporate transaction.

        (b) The  consideration to be paid for the Shares to be issued upon 
exercise of an  Option,  including  the method of  payment, shall be determined 
by the Administrator  and may consist entirely of (1) cash,  (2) check,  
(3) promissory note, (4) other Shares which (x) either have been owned by the
Optionee for more than six  months on the date of  surrender  or were not  
acquired,  directly  or indirectly,  from the  Company,  and (y) have a Fair 
Market Value on the date of surrender  equal to the aggregate exercise price of 
the Shares as to which said Option shall be exercised, (5) authorization from 
the Company to retain from the total number of Shares as to which the Option is 
exercised that number of Shares having a Fair Market Value on the date of 
exercise  equal to the exercise  price for the total number of Shares as to 
which the Option is exercised, (6) delivery of a properly executed exercise 
notice together with irrevocable instructions to a broker to promptly  deliver 
to the Company the amount of sale or loan proceeds required to pay the exercise 
price,  (7) delivery of an irrevocable subscription agreement for the Shares 
which  irrevocably  obligates the option holder to take and pay for the Shares 
not more than twelve months after the date of delivery of the  subscription  
agreement,  (8) any  combination of the foregoing  methods of payment,  (9) or 
such other consideration and method of payment for the issuance of  Shares  to 
the  extent  permitted  under  Applicable  Laws.  In  making  its determination
as to the  type of  consideration  to  accept,  the  Board  shall consider if  
acceptance  of such  consideration  may be  reasonably  expected to benefit the 
Company.

     9. Exercise of Option.

        (a)  Procedure for Exercise;  Rights as a  Shareholder.  Any Option 
granted hereunder  shall be  exercisable  at such  times and under  such  
conditions  as determined  by the Board,  including  performance  criteria  
with respect to the Company and/or the Optionee,  and as shall be permissible 
under the terms of the Plan.

     An Option may not be exercised for a fraction of a Share.

     An Option  shall be  deemed to be  exercised  when  written  notice of such
exercise  has been  given to the  Company  in  accordance  with the terms of the
Option by the person  entitled to exercise  the Option and full  payment for the
Shares with  respect to which the Option is exercised  has been  received by the
Company. Full payment may, as authorized by the Board, consist of any


                                       39
<PAGE>


consideration  and method of payment  allowable  under  Section 8(b) of the
Plan. Until the issuance (as evidenced by the appropriate  entry on the books of
the Company or of a duly authorized  transfer agent of the Company) of the stock
certificate evidencing such Shares, no right to vote or receive dividends or any
other rights as a  shareholder  shall exist with respect to the Optioned  Stock,
notwithstanding the exercise of the Option. The Company shall issue (or cause to
be issued)  such stock  certificate  promptly  upon  exercise of the Option.  No
adjustment  will be made for a dividend or other right for which the record date
is prior to the date the stock  certificate  is issued,  except as  provided  in
Section 11 of the Plan.

     Exercise  of an Option in any  manner  shall  result in a  decrease  in the
number of Shares which  thereafter  may be  available,  both for purposes of the
Plan and for sale  under  the  Option,  by the  number of Shares as to which the
Option is exercised.

        (b)  Termination of Status  as an  Employee or Consultant. In the event 
of termination of an Optionee's  Continuous Status as an Employee or Consultant 
(as the case may be),  such  Optionee may, but only within thirty (30) days (or 
such other period of time, not exceeding three (3) months in the case of an
Incentive Stock Option or six (6) months in the case of a Nonstatutory Stock 
Option, as is determined  by the Board)  after the date of such  termination  
(but in no event later than the date of expiration of the term of such Option as
set forth in the Option  Agreement), exercise  his Option to the extent that he 
was  entitled to exercise  it at the  date of such  termination. To the  extent 
that he was not entitled to exercise the Option at the date of such termination,
or if he does not exercise  such Option  (which he was  entitled to exercise)  
within the time specified herein, the Option shall terminate.

        (c) Disability of Optionee. Notwithstanding the provisions of Section 9
(b) above,  in the event of  termination  of an Optionee's  Continuous  Status 
as an Employee or  Consultant as a result of his total and permanent disability 
(as defined in Section 22(e)(3) of the Code), he may, but only within six (6) 
months (or such other period of time not exceeding  twelve (12) months as is 
determined by the Board) from the date of such  termination (but in no event 
later than the date of  expiration  of the  term of such  Option  as set forth  
in the  Option Agreement), exercise his Option to the extent he was entitled to 
exercise it at the date of such termination. To the extent that he was not 
entitled to exercise the Option at the date of  termination,  or if he does not 
exercise  such Option (which he was entitled to exercise) within the time 
specified herein, the Option shall terminate.

        (d) Death of Optionee. In the event of the death of an Optionee:

               (i)  during  the  term of the  Option  who is at the time of his 
death an Employee or  Consultant  of the  Company  and who shall have been in  
Continuous Status as an Employee or Consultant  since the date of grant of the 
Option,  the Option may be  exercised,  at any time within  twelve (12) months  
following the date of death (but in no event later than the date of  expiration 
of the term of such Option as set forth in the Option  Agreement),  by the 
Optionee's estate or by a person  who  acquired  the  right to  exercise  the  
Option by  bequest  or inheritance,  but only to the  extent of the right to  
exercise  that would have accrued had the Optionee  continued living and 
remained in Continuous  Status as an Employee or Consultant twelve (12) months 
after the date of death, subject to the limitation set forth in Section 5(b); or


                                       40
<PAGE>

               (ii) within  thirty (30) days (or such other  period of time not 
exceeding three (3)  months as is  determined  by the  Board)  after  the  
termination  of Continuous Status as an Employee or Consultant,  the Option may 
be exercised, at any time within twelve (12) months following the date of death 
(but in no event later than the date of expiration of the term of such Option as
set forth in the Option  Agreement),  by the  Optionee's  estate or by a person 
who  acquired the right to exercise the Option by bequest or  inheritance,  but 
only to the extent of the right to exercise that had accrued at the date of 
termination.

        (e) Buyout Provisions. The Administrator may at any time offer to buy 
out for a payment in cash or Shares,  an Option  previously  granted,  based on 
such terms and conditions as the Administrator shall establish and communicate 
to the Optionee at the time that such offer is made.

     10.  Non-Transferability of Options.  Options  may  not be  sold,  pledged,
assigned,  hypothecated,  transferred or disposed of in any manner other than by
will or by the laws of descent  and  distribution  or  pursuant  to a  qualified
domestic  relations  order as  defined  by the  Code or Title I of the  Employee
Retirement  Income Security Act, or the rules  thereunder.  The designation of a
beneficiary  by an Optionee  does not  constitute  a transfer.  An Option may be
exercised,  during the  lifetime  of the  Optionee,  only by the  Optionee  or a
transferee permitted by this Section 10.

     11.  Adjustments Upon Changes in Capitalization  or Merger.  Subject to any
required  action by the  shareholders  of the  Company,  the number of shares of
Common Stock  covered by each  outstanding  Option,  and the number of shares of
Common Stock which have been  authorized  for issuance  under the Plan but as to
which no Options have yet been  granted or which have been  returned to the Plan
upon  cancellation or expiration of an Option, as well as the price per share of
Common Stock covered by each such outstanding  Option,  shall be proportionately
adjusted for any  increase or decrease in the number of issued  shares of Common
Stock  resulting  from a stock  split,  reverse  stock  split,  stock  dividend,
combination or  reclassification  of the Common Stock,  or any other increase or
decrease in the number of issued shares of Common Stock effected without receipt
of  consideration  by the Company;  provided,  however,  that  conversion of any
convertible securities of the Company shall not be deemed to have been "effected
without receipt of  consideration."  Such adjustment shall be made by the Board,
whose  determination  in that respect  shall be final,  binding and  conclusive.
Except as  expressly  provided  herein,  no issuance by the Company of shares of
stock of any class, or securities convertible into shares of stock of any class,
shall affect, and no adjustment by reason thereof shall be made with respect to,
the number or price of shares of Common Stock subject to an Option.

     In the event of the proposed dissolution or liquidation of the Company, the
Board  shall  notify  the  Optionee  at least  fifteen  (15) days  prior to such
proposed action. To the extent it has not been previously exercised,  the Option
will terminate immediately prior to the consummation of such proposed action. In
the event of a merger  of the  Company  with or into  another  corporation,  the
Option shall be assumed or an  equivalent  option shall be  substituted  by such
successor  corporation or a parent or subsidiary of such successor  corporation.
In the even the successor corporation does not agree to assume the option or the
substitute and equivalent option, the Board shall, in lieu of such assumption or
substitution, provide for the Optionee to have the right to vest in and exercise
the Option as to all of the


                                       41
<PAGE>

  
Optioned Stock, including Shares as to which the Option would not otherwise
be vested  or  exercisable.  If the  Board  makes an  Option  fully  vested  and
exercisable in lieu of assumption or substitution in the event of a merger,  the
Board  shall  notify  the  Optionee  that the Option  shall be fully  vested and
exercisable for a period of fifteen (15) days from the date of such notice,  and
the Option will  terminate  upon the  expiration  of such period.  If, in such a
merger,  the Option is assumed or an equivalent  option is  substituted  by such
successor  corporation or a parent or subsidiary of such successor  corporation,
and if during a one-year  period after the  effective  date of such merger,  the
Optionee's  Continuous Status as an Employee or Consultant is terminated for any
reason other than the Optionee's  voluntary  termination  of such  relationship,
then the Optionee shall have the right within thirty days thereafter to exercise
the Option as to all of the  Optioned  Stock,  including  Shares as to which the
Option  would not be  otherwise  exercisable,  effective  as of the date of such
termination.

     12.  Stock  Withholding  to Satisfy  Withholding  Tax  Obligations.  At the
discretion of the Administrator,  Optionees may satisfy withholding  obligations
as  provided  in this  paragraph.  When an  Optionee  incurs  tax  liability  in
connection  with an Option,  which tax  liability is subject to tax  withholding
under  applicable  tax laws, and the Optionee is obligated to pay the Company an
amount  required to be withheld  under  applicable  tax laws,  the  Optionee may
satisfy the withholding tax obligation by electing to have the Company  withhold
from the Shares to be issued upon exercise of the Option, if any, that number of
Shares  having a Fair Market Value equal to the amount  required to be withheld.
The Fair Market Value of the Shares to be withheld  shall be  determined  on the
date that the amount of tax to be withheld is to be determined.

     13. Time of Granting Options. The date of grant of an Option shall, for all
purposes,  be the date on which the Board makes the determination  granting such
Option.  Notice  of the  determination  shall  be  given  to  each  Employee  or
Consultant  to whom an Option is so granted  within a reasonable  time after the
date of such grant.

     14. Amendment and Termination of the Plan.

        (a)  Amendment  and  Termination.  The Board may at any time amend,  
alter, suspend or  discontinue  the Plan, but no amendment,  alteration,  
suspension or discontinuation  shall be made which  would  impair the rights of 
any  Optionee under any grant theretofore made,  without his or her consent.  
In addition,  to the extent  necessary  and  desirable to comply with Section 
422 of the Code (or any other  applicable law or regulation,  including the 
requirements of the NASD or an established stock exchange), the Company shall 
obtain shareholder approval of any Plan amendment in such a manner and to such a
degree as required.

        (b)  Effect of Amendment or Termination.  Any such amendment or 
termination of the Plan shall not affect  Options  already  granted and such  
Options  shall remain  in full  force  and  effect  as if this  Plan  had not 
been  amended  or terminated, unless mutually agreed otherwise between the 
Optionee and the Board, which agreement must be in writing and signed by the 
Optionee and the Company.


                                       42
<PAGE>


     15. Conditions Upon Issuance of Shares. Shares shall not be issued pursuant
to the exercise of an Option unless the exercise of such Option and the issuance
and  delivery of such Shares  pursuant  thereto  shall  comply with all relevant
provisions of law, including, without limitation, the Securities Act of 1933, as
amended, the Exchange Act, the rules and regulations promulgated thereunder, and
the requirements of any stock exchange upon which the Shares may then be listed,
and shall be further  subject to the  approval of counsel  for the Company  with
respect to such compliance.

     As a condition  to the  exercise of an Option,  the Company may require the
person  exercising  such Option to represent and warrant at the time of any such
exercise that the Shares are being purchased only for investment and without any
present  intention  to sell or  distribute  such  Shares  if, in the  opinion of
counsel  for  the  Company,  such a  representation  is  required  by any of the
aforementioned relevant provisions of law.

     16. Reservation of Shares.  The Company, during the term of this Plan, will
at all  times  reserve  and keep  available  such  number  of Shares as shall be
sufficient to satisfy the requirements of the Plan.

     The inability of the Company to obtain  authority from any regulatory  body
having  jurisdiction,  which authority is deemed by the Company's  counsel to be
necessary to the lawful issuance and sale of any Shares hereunder, shall relieve
the  Company of any  liability  in respect of the  failure to issue or sell such
Shares as to which such requisite authority shall not have been obtained.

     17.  Option  Agreement.  Options  shall  be  evidenced  by  written  option
agreements in such form as the Board shall approve.

     18.  Shareholder  Approval.  Continuance  of the Plan  shall be  subject to
approval by the  shareholders of the Company within twelve (12) months before or
after the date the Plan is adopted.  Such shareholder approval shall be obtained
in the degree and manner required under Applicable Laws.



                                       43
<PAGE>

          
                                   APPENDIX D

                               TRIMBLE NAVIGATION

                        1988 EMPLOYEE STOCK PURCHASE PLAN
                            (as amended May 5, 1998)


     The following constitute the provisions of the Employee Stock Purchase Plan
of Trimble Navigation.

     1. Purpose.  The purpose of the Plan is to provide employees of the Company
and its Designated  Subsidiaries with an opportunity to purchase Common Stock of
the Company through accumulated  payroll deductions.  It is the intention of the
Company to have the Plan  qualify as an  "Employee  Stock  Purchase  Plan" under
Section 423 of the Internal Revenue Code of 1986, as amended.  The provisions of
the  Plan  shall,   accordingly,   be  construed  so  as  to  extend  and  limit
participation  in a manner  consistent with the  requirements of that section of
the Code.

     2. Definitions.

          (a) "Board" shall mean the Board of Directors of the Company.

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

          (c) "Common Stock" shall mean the Common Stock of the Company.

          (d) "Company" shall mean Trimble Navigation.

          (e)  "Compensation"   shall  mean  all  regular  straight  time  gross
earnings, commissions,  incentive bonuses, overtime, shift premium, lead pay and
other similar compensation, but excluding automobile allowances,  relocation and
other non-cash  compensation.  Notwithstanding  the foregoing,  the Employee may
elect to exclude bonuses from the calculation of compensation.

          (f)  "Continuous  Status as an Employee" shall mean the absence of any
interruption or termination of service as an Employee.  Continuous  Status as an
Employee  shall not be considered  interrupted in the case of a leave of absence
agreed to in writing by the Company, provided that such leave is for a period of
not more  than 90 days or  reemployment  upon the  expiration  of such  leave is
guaranteed by contract or statute.

          (g) "Designated  Subsidiaries"  shall mean the Subsidiaries which have
been  designated  by the  Board  from  time to time in its  sole  discretion  as
eligible to participate in the Plan.

          (h)  "Employee"  shall mean any person,  including  an officer,  whose
customary  employment with the Company is at least twenty (20) hours per week by
the Company or one of its Designated  Subsidiaries and more than five (5) months
in any calendar year.

          (i)  "Enrollment  Date"  shall  mean the  first  day of each  Offering
Period.


                                       44
<PAGE>

          (j) "Exercise Date" shall mean the last day of each Offering Period.

          (k)  "Offering  Period"  shall mean,  except with respect to the first
Offering Period as described  herein, a period of six (6) months during which an
option granted pursuant to the Plan may be exercised.  The first Offering Period
shall commence August 15, 1988, and end December 31, 1988.

          (l) "Plan" shall mean this Employee Stock Purchase Plan.

          (m)  "Subsidiary"  shall mean a corporation,  domestic or foreign,  of
which  not less  than 50% of the  voting  shares  are held by the  Company  or a
Subsidiary, whether or not such corporation now exists or is hereafter organized
or acquired by the Company or a Subsidiary.

     3. Eligibility.

          (a) Any Employee as defined in  paragraph 2 who has been  continuously
employed by the Company for at least two (2) consecutive months and who shall be
employed  by the  Company  on a given  Enrollment  Date  shall  be  eligible  to
participate in the Plan. However, notwithstanding the foregoing, for purposes of
the first  Offering  Period only,  any  Employee  defined in paragraph 2 who was
employed by the Company as of August 9, 1988 shall be eligible to participate in
the Plan.

          (b) Any  provisions  of the Plan to the contrary  notwithstanding,  no
Employee shall be granted an option under the Plan (i) if, immediately after the
grant,  such  Employee (or any other person whose stock would be  attributed  to
such  Employee  pursuant to Section  425(d) of the Code) would own stock and /or
hold outstanding  options to purchase stock possessing five percent (5%) or more
of the  total  combined  voting  power or value of all  classes  of stock of the
Company or of any  subsidiary  of the Company,  or (ii) which permits his or her
rights to purchase  stock under all employee stock purchase plans of the Company
and its  subsidiaries  to accrue at a rate which  exceeds  Twenty-Five  Thousand
Dollars  ($25,000)  worth of stock  (determined  at the fair market value of the
shares at the time such option is granted) for each  calendar year in which such
option is outstanding at any time.

     4. Offering Periods.  The Plan shall be implemented by consecutive Offering
Periods with a new Offering  Period  commencing on or about January 1 and July 1
of each year; provided,  however,  that the first Offering Period shall commence
on or about August 15, 1988. The Plan shall continue thereafter until terminated
in accordance  with  paragraph 19 hereof.  Subject to the  shareholder  approval
requirements  of paragraph  19, the Board of Directors of the Company shall have
the power to change the  duration of  Offering  Periods  with  respect to future
offerings  without  shareholder  approval if such change is  announced  at least
fifteen (15) days prior to the scheduled  beginning of the first Offering Period
to be affected.

     5. Participation.

          (a) An  eligible  Employee  may  become a  participant  in the Plan by
completing a subscription  agreement  authorizing payroll deductions in the form
of Exhibit A to this Plan and filing


                                       45
<PAGE>


it with the  Company's  payroll  office at least five (5) business days prior to
the applicable  Enrollment Date, unless a later time for filing the subscription
agreement is set by the Board for all eligible Employees with respect to a given
Offering Period.

          (b) Payroll  deductions for a participant  shall commence on the first
payroll  following the Enrollment  Date and shall end on the last payroll in the
Offering  Period  to which  such  authorization  is  applicable,  unless  sooner
terminated by the participant as provided in paragraph 10.

     6. Payroll Deductions.

          (a) At the time a participant files his or her subscription agreement,
he or she shall elect to have payroll  deductions made on each payday during the
Offering Period in an amount not exceeding ten percent (10%) of the Compensation
which he receives on each payday during the Offering  Period,  and the aggregate
of such  payroll  deductions  during the  Offering  Period  shall not exceed ten
percent (10%) of the participant's  aggregate  Compensation during said Offering
Period.  (b) All payroll  deductions made for a participant shall be credited to
his or her account  under the Plan. A  participant  may not make any  additional
payments into such account.

          (c) A participant may discontinue his or her participation in the Plan
as provided in paragraph 10, or may decrease,  but not increase, the rate of his
or her payroll  deductions during the Offering Period (within the limitations of
Section  6(a)) by  completing  or filing  with the  Company  a new  subscription
agreement  authorizing a change in payroll  deduction  rate.  The change in rate
shall be  effective  with the  first  full  payroll  period  following  five (5)
business days after the Company's receipt of the new subscription  agreement.  A
participant's  subscription  agreement  shall  remain in effect  for  successive
Offering  Periods unless revised as provided herein or terminated as provided in
paragraph 10.

          (d) Notwithstanding  the foregoing,  to the extent necessary to comply
with Section  423(b)(8) of the Code and paragraph 3(b) herein,  a  participant's
payroll  deductions  may be  decreased  to 0% at such time  during any  Offering
Period which is scheduled to end during the current  calendar year (the "Current
Offering  Period")  that the  aggregate  of all  payroll  deductions  which were
previously  used to  purchase  stock under the Plan in a prior  Offering  Period
which ended during that  calendar year plus all payroll  deductions  accumulated
with respect to the Current  Offering Period equal $21,250.  Payroll  deductions
shall  recommence  at the  rate  provided  in  such  participant's  subscription
agreement at the  beginning of the first  Offering  Period which is scheduled to
end in the following  calendar  year,  unless  terminated by the  participant as
provided in paragraph 10.

     7. Grant of Option.

          (a) On the  Enrollment  Date of each  Offering  Period,  each eligible
Employee  participating  in such  Offering  Period shall be granted an option to
purchase on each  Exercise  Date during such  Offering  Period up to a number of
shares of the Company's  Common Stock  determined  by dividing  such  Employee's
payroll  deductions  accumulated prior to such Exercise Date and retained in the
Participant's  account as of the Exercise Date by the lower of (i)  eighty-five
percent (85%) of the fair market


                                       46
<PAGE>


value of a share of the Company's  Common Stock on the  Enrollment  Date or (ii)
eighty-five  percent  (85%) of the fair market value of a share of the Company's
Common Stock on the Exercise  Date;  provided that in no event shall an Employee
be  permitted  to  purchase  during each  Offering  Period more than a number of
shares determined by dividing $12,500 by the fair market value of a share of the
Company's  Common Stock on the Enrollment  Date, and provided  further that such
purchase  shall be subject to the  limitations  set forth in Section 3(b) and 12
hereof.  Exercise of the option shall occur as provided in Section 8, unless the
participant  has withdrawn  pursuant to Section 10, and shall expire on the last
day of the Offering Period. Fair market value of a share of the Company's Common
Stock shall be determined as provided in Section 7(b) herein.

          (b) The  option  price  per  share of the  shares  offered  in a given
Offering  Period  shall be the lower of: (i) 85% of the fair  market  value of a
share of the Common Stock of the Company on the Enrollment  Date; or (ii) 85% of
the fair  market  value of a share of the  Common  Stock of the  Company  on the
Exercise  Date.  The fair market value of the Company's  Common Stock on a given
date shall be determined by the Board in its discretion; provided, however, that
where there is a public market for the Common  Stock,  the fair market value per
share shall be the closing  price of the Common Stock for such date, as reported
by the NASDAQ  National  Market  System,  or, in the event the  Common  Stock is
listed on a stock exchange, the fair market value per share shall be the closing
price on such exchange on such date, as reported in the Wall Street Journal.

     8.  Exercise of Option.  Unless a  participant  withdraws  from the Plan as
provided in  paragraph  10 below,  his or her option for the  purchase of shares
will be exercised  automatically on the Exercise Date, and the maximum number of
full shares  subject to option shall be purchased  for such  participant  at the
applicable  option price with the accumulated  payroll  deductions in his or her
account.  No  fractional  shares will be  purchased  and any payroll  deductions
accumulated  in a  participant's  account which are not used to purchase  shares
shall remain in the  participant's  account for the subsequent  Offering Period,
subject  to an  earlier  withdrawal  as  provided  in  paragraph  10.  During  a
participant's life time, a participant's  option to purchase shares hereunder is
exercisable only by him or her.

     9. Delivery.  Unless a participant  makes an election to delay the issuance
of Certificate  representing  purchased shares, as promptly as practicable after
each  Exercise  Date on which a purchase of shares  occurs,  the  Company  shall
arrange the  delivery to each  participant,  as  appropriate,  of a  certificate
representing  the  shares  purchased  upon  exercise  of his or  her  option.  A
participant  may make an  election to delay the  issuance of stock  certificates
representing  shares  purchased  under the Plan by giving  written notice to the
Company the form of Exhibit D to this Plan.  Any such  election  shall remain in
effect  until  it is  revoked  by the  participant  or,  if  earlier,  upon  the
termination of the participant's  Continuous Status as an Employee.  The Company
may limit the time or times during which participants may revoke such elections,
except that a participant shall  automatically  receive a certificate as soon as
practicable following termination of his or her Continuous Status as an Employee
and that participants shall be given the opportunity to revoke such elections at
least once each calendar year.


                                       47
<PAGE>


     10. Withdrawal; Termination of Employment.

          (a) A  participant  may withdraw all but not less than all the payroll
deductions  credited to his or her  account and not yet used to exercise  his or
her option  under the Plan at any time by giving  written  notice to the Company
in the form  of  Exhibit  B to  this  Plan.  All  of the  participant's  payroll
deductions  credited  to his or her  account  will be  paid to such  participant
promptly after receipt of notice of withdrawal and such participant's option for
the Offering  Period will be  automatically  terminated,  and no further payroll
deductions  for the purchase of shares will be made during the Offering  Period.
If a participant withdraws from an Offering Period,  payroll deductions will not
resume at the beginning of the succeeding Offering Period unless the participant
delivers to the Company a new subscription agreement.

          (b) Upon  termination  of the  participant's  Continuous  Status as an
Employee  prior to the Exercise  Date for any reason,  including  retirement  or
death, the payroll deductions credited to such participant's  account during the
Offering Period but not yet used to exercise the option will be returned to such
participant  or,  in the case of his or her  death,  to the  person  or  persons
entitled  thereto  under  paragraph  14, and such  participant's  option will be
automatically terminated.

          (c) In the event an Employee  fails to remain in Continuous  Status as
an Employee  of the  Company  for at least  twenty (20) hours per week during an
Offering Period in which the Employee is a participant, he or she will be deemed
to have elected to withdraw from the Plan and the payroll deductions credited to
his or her account will be returned to such  participant and such  participant's
option terminated.

          (d) A  participant's  withdrawal from an Offering Period will not have
any effect upon his or her  eligibility to participate in any similar plan which
may hereafter be adopted by the Company or in succeeding  Offering Periods which
commence after the termination of the Offering Period from which the participant
withdraws.

     11.  Interest.  No interest  shall  accrue on the payroll  deductions  of a
participant in the Plan.

     12. Stock.

          (a) The maximum  number of shares of the Company's  Common Stock which
shall be made  available  for sale  under the Plan  shall be  2,350,000  shares,
subject to adjustment upon changes in  capitalization of the Company as provided
in paragraph  18. If on a given  Exercise Date the number of shares with respect
to which options are to be exercised exceeds the number of shares then available
under the Plan,  the  Company  shall make a pro rata  allocation  of the shares
remaining  available for purchase in as uniform a manner as shall be practicable
and as it shall determine to be equitable.

          (b) The  participant  will have no interest or voting  right in shares
covered by his option until such option has been exercised.


                                       48
<PAGE>


          (c) Shares to be  delivered  to a  participant  under the Plan will be
registered in the name of the  participant or in the name of the participant and
his or her spouse.

     13.  Administration.  The Plan  shall be  administered  by the Board of the
Company  or a  committee  of members of the Board  appointed  by the Board.  The
administration,  interpretation  or  application of the Plan by the Board or its
committee shall be final, conclusive and binding upon all participants.  Members
of the Board who are eligible  Employees  are  permitted to  participate  in the
Plan.

     14. Designation of Beneficiary.

          (a) A participant may file a written  designation of a beneficiary who
is to receive any shares and cash, if any, from the participant's  account under
the Plan in the event of such participant's death subsequent to an Exercise Date
on which the option is exercised  but prior to delivery to such  participant  of
such shares and cash. In addition,  a participant may file a written designation
of a beneficiary who is to receive any cash from the participant's account under
the Plan in the  event of such  participant's  death  prior to  exercise  of the
option.

          (b) Such  designation of beneficiary may be changed by the participant
at any time by written notice. In the event of the death of a participant and in
the absence of a beneficiary  validly designated under the Plan who is living at
the time of such  participant's  death,  the Company  shall  deliver such shares
and/or cash to the executor or  administrator  of the estate of the participant,
or if no such executor or administrator  has been appointed (to the knowledge of
the Company),  the Company,  in its  discretion,  may deliver such shares and/or
cash  to the  spouse  or to any  one or  more  dependents  or  relatives  of the
participant,  or if no spouse,  dependent  or relative is known to the  Company,
then to such other person as the Company may designate.

     15. Transferability. Neither payroll deductions credited to a participant's
account nor any rights  with  regard to the  exercise of an option or to receive
shares  under  the Plan  may be  assigned,  transferred,  pledged  or  otherwise
disposed of in any way (other than by will, the laws of descent and distribution
or as provided in paragraph 14 hereof) by the  participant.  Any such attempt at
assignment,  transfer,  pledge or other  disposition  shall be  without  effect,
except that the Company may treat such act as an election to withdraw funds from
an Offering Period in accordance with paragraph 10.

     16. Use of Funds.  All payroll  deductions  received or held by the Company
under the Plan may be used by the Company  for any  corporate  purpose,  and the
Company shall not be obligated to segregate such payroll deductions.

     17. Reports. Individual accounts will be maintained for each participant in
the  Plan.  Statements  of  account  will be  given to  participating  Employees
semi-annually  promptly  following the Exercise Date,  which statements will set
forth the  amounts of payroll  deductions,  the per share  purchase  price,  the
number of shares purchased and the remaining cash balance, if any.



                                       49
<PAGE>


     18.  Adjustments  Upon Changes in  Capitalization.  Subject to any required
action by the shareholders of the Company,  the number of shares of Common Stock
covered by each option under the Plan which has not yet been  exercised  and the
number of shares of Common Stock which have been  authorized  for issuance under
the  Plan  but  have  not  yet  been  placed  under  option  (collectively,  the
"Reserves"),  as well as the price per share of  Common  Stock  covered  by each
option under the Plan which has not yet been exercised, shall be proportionately
adjusted for any  increase or decrease in the number of issued  shares of Common
Stock  resulting  from a stock  split,  reverse  stock  split,  stock  dividend,
combination or  reclassification  of the Common Stock,  or any other increase or
decrease in the number of shares of Common  Stock  effected  without  receipt of
consideration  by  the  Company;  provided,  however,  that  conversion  of  any
convertible securities of the Company shall not be deemed to have been "effected
without receipt of  consideration".  Such adjustment shall be made by the Board,
whose  determination  in that respect  shall be final,  binding and  conclusive.
Except as expressly  provided herein, no issue by the Company of shares of stock
of any class, or securities convertible into shares of stock of any class, shall
affect,  and no adjustment by reason  thereof shall be made with respect to, the
number or price of shares of Common Stock subject to an option.

     In the event of the proposed dissolution or liquidation of the Company, the
Offering  Period will terminate  immediately  prior to the  consummation of such
proposed  action,  unless  otherwise  provided  by the Board.  In the event of a
proposed sale of all or substantially  all of the assets of the Company,  or the
merger of the Company with or into  another  corporation,  any Purchase  Periods
then in progress  shall be shortened  by setting a new  Exercise  Date (the "New
Exercise  Date") and any Offering  Periods then in progress shall end on the New
Exercise  Date.  The New Exercise Date shall be before the date of the Company's
proposed sale or merger. The Board shall notify each participant in writing,  at
least ten (10) business days prior to the New Exercise  Date,  that the Exercise
Date for the participant's  option has been changed to the New Exercise Date and
that the  participant's  option  shall  be  exercised  automatically  on the New
Exercise Date,  unless prior to such date the participant has withdrawn from the
Offering Period as provided in Section 10 hereof.

     19. Amendment or Termination.  The Board of Directors of the Company may at
any time and for any reason  terminate or amend the Plan.  Except as provided in
paragraph  18,  no such  termination  can  affect  options  previously  granted,
provided that an Offering  Period may be terminated by the Board of Directors on
any Exercise Date if the Board determines that the termination of the Plan is in
the best  interests of the Company and its  shareholders.  Except as provided in
paragraph 18, no amendment may make any change in any option theretofore granted
which  adversely  affects the rights of any  participant.  In  addition,  to the
extent  necessary to comply with Section 423 of the Code (or any successor  rule
or provision  or any other  applicable  law or  regulation),  the Company  shall
obtain  shareholder  approval  in  such a  manner  and to  such a  degree  as so
required.

     20. Notices.  All notices or other  communications  by a participant to the
Company under or in  connection  with the Plan shall be deemed to have been duly
given when received in the form specified by the Company at the location,  or by
the person, designated by the Company for the receipt thereof.


                                       50
<PAGE>


     21.  Shareholder  Approval.  Continuance  of the Plan  shall be  subject to
approval by the shareholders of the Company within twelve months before or after
the date the Plan is adopted. Such shareholder approval shall be obtained in the
manner  and degree  required  under the  applicable  state and  federal  tax and
securities laws.

     22.  Conditions  Upon  Issuance of Shares.  Shares shall not be issued with
respect to an option  unless the  exercise of such option and the  issuance  and
delivery of such  shares  pursuant  thereto  shall  comply  with all  applicable
provisions  of law,  domestic or foreign,  including,  without  limitation,  the
Securities Act of 1933, as amended,  the Exchange Act, the rules and regulations
promulgated  thereunder,  and the  requirements of any stock exchange upon which
the shares may then be listed,  and shall be further  subject to the approval of
counsel for the Company with respect to such compliance.

     As a condition  to the  exercise of an option,  the Company may require the
person  exercising  such option to represent and warrant at the time of any such
exercise that the shares are being purchased only for investment and without any
present  intention  to sell or  distribute  such  shares  if, in the  opinion of
counsel  for  the  Company,  such a  representation  is  required  by any of the
aforementioned applicable provisions of law.

     23. Term of Plan. The Plan shall become effective upon the earlier to occur
of its adoption by the Board of Directors or its approval by the shareholders of
the  Company as  described  in para graph 21. It shall  continue in effect for a
term of twenty (20) years unless sooner terminated under paragraph 19.


                                       51
<PAGE>

                                    EXHIBIT A

                               TRIMBLE NAVIGATION

                          EMPLOYEE STOCK PURCHASE PLAN
                             SUBSCRIPTION AGREEMENT



_____ Original Application                          Enrollment Date: ___________
_____ Change in Payroll Deduction Rate
_____ Change of Beneficiary(ies)


1.       ________________________hereby elects to participate in the Trimble  
         Navigation  Employee Stock Purchase Plan (the "Stock  Purchase  Plan") 
         and  subscribes to purchase shares  of  the  Company's   Common  Stock
         in  accordance   with  this Subscription Agreement and the Stock 
         Purchase Plan.

2.       I hereby authorize payroll  deductions from each paycheck in the amount
         of ____% of my  Compensation  on each payday (not to exceed 10%) during
         the Offering Period in accordance with the Stock Purchase Plan.

         ________ Include bonuses as part of Compensation subject to payroll
                  deduction.
         ________ Exclude bonuses from Compensation subject to payroll 
                  deduction.

3.       I understand that said payroll  deductions shall be accumulated for the
         purchase of shares of Common  Stock at the  applicable  purchase  price
         determined  in  accordance  with the Stock Purchase Plan. I understand
         that if I do not  withdraw  from an Offering  Period,  any  accumulated
         payroll deductions will be used to automatically exercise my option.

4.       I have  received a copy of the complete  "Trimble  Navigation  Employee
         Stock Purchase Plan." I understand that my  participation  in the Stock
         Purchase  Plan is in all  respects  subject to the terms of the Plan. I
         understand  that the grant of the  option  by the  Company  under  this
         Subscription  Agreement is subject to obtaining shareholder approval of
         the Stock Purchase Plan.

5.       Shares  purchased for me under the Stock Purchase Plan should be issued
         in the name(s) of:____________________________________________________


6.       I understand that if I dispose of any shares received by me pursuant to
         the Plan within 2 years after the Enrollment Date (the first day of the
         Offering  Period  during  which I  purchased  such  shares),  I will be
         treated for federal  income tax  purposes as having  received  ordinary
         income at the time of such disposition in an amount equal to the excess
         of the fair  market  value of the shares at the time such  shares  were
         delivered to me over the price which I paid for the shares.


                                       52
<PAGE>
   

         I hereby  agree to notify the  Company in writing  within 30 days after
         the date of any such disposition.  However, if I dispose of such shares
         at any time  after the  expiration  of the  2-year  holding  period,  I
         understand  that I will be treated for federal  income tax  purposes as
         having received income only at the time of such  disposition,  and that
         such income  will be taxed as ordinary  income only to the extent of an
         amount  equal to the lesser of (1) the excess of the fair market  value
         of the shares at the time of such  disposition  over the purchase price
         which I paid for the shares under the option,  or (2) the excess of the
         fair market value of the shares over the option  price,  measured as if
         the option had been exercised on the Enrollment  Date. The remainder of
         the  gain,  if any,  recognized  on such  disposition  will be taxed as
         capital gain.

7.       I hereby agree to be bound by the terms of the Stock Purchase Plan. The
         effectiveness  of this  Subscription  Agreement  is  dependent  upon my
         eligibility to participate in the Stock Purchase Plan.

8.       In the  event of my  death,  I hereby  designate  the  following  as my
         beneficiary(ies)  to receive all  payments  and shares due me under the
         Stock Purchase Plan:


NAME:  (Please print)
                     -----------------------------------------------------------
                         (First)         (Middle)               (Last)



- ------------------------------------     ---------------------------------------
Relationship

                                         ---------------------------------------
                                                     (Address)


NAME:  (Please print)
                     -----------------------------------------------------------
                         (First)         (Middle)               (Last)


- ------------------------------------     ---------------------------------------
Relationship

                                         ---------------------------------------
                                                     (Address)

Employee's Social
Security Number:                         ---------------------------------------


                                       53
<PAGE>



Employee's Address:                      ---------------------------------------

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

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

I UNDERSTAND THAT THIS SUBSCRIPTION  AGREEMENT SHALL REMAIN IN EFFECT THROUGHOUT
SUCCESSIVE OFFERING PERIODS UNLESS TERMINATED BY ME.


Dated:---------------------------------------  ---------------------------------
                                               Signature of Employee

                                       54
<PAGE>


                                    EXHIBIT B

                               TRIMBLE NAVIGATION


                          EMPLOYEE STOCK PURCHASE PLAN

                              NOTICE OF WITHDRAWAL



     The  undersigned   participant  in  the  Offering  Period  of  the  Trimble
Navigation Employee Stock Purchase Plan which began on ____________, 19____ (the
"Enrollment  Date") hereby notifies the Company that he or she hereby  withdraws
from the  Offering  Period.  He or she hereby  directs the Company to pay to the
undersigned as promptly as possible all the payroll  deductions  credited to his
or her account with respect to such Offering Period. The undersigned understands
and agrees that his or her option for such Offering Period will be automatically
terminated.   The  undersigned  understands  further  that  no  further  payroll
deductions  will be made for the  purchase  of  shares in the  current  Offering
Period and the  undersigned  shall be  eligible  to  participate  in  succeeding
Offering Periods only by delivering to the Company a new Subscription Agreement.

                                         Name and Address of Participant

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

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

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





                                         Signature



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





                                         Date:----------------------------------



                                       55
<PAGE>


                                    EXHIBIT C

                               TRIMBLE NAVIGATION


                          EMPLOYEE STOCK PURCHASE PLAN

                       NOTICE TO RESUME PAYROLL DEDUCTIONS



     The  undersigned   participant  in  the  Offering  Period  of  the  Trimble
Navigation  Employee  Stock Purchase Plan which began on  ______________,  19___
hereby notifies the Company to resume payroll  deductions for his or her account
at the  beginning of the next Exercise  Period  within such  Offering  Period in
accordance  with  the  terms  of  the  Subscription  Agreement  executed  by the
undersigned at the beginning of the Offering Period. The undersigned understands
that he or she may change the payroll deduction rate or the beneficiaries  named
in such Subscription Agreement by submitting a revised Subscription Agreement.


                                         Name and Address of Participant

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

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

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





                                         Signature



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





                                         Date:----------------------------------




                                       56
<PAGE>


                                    EXHIBIT D

                               TRIMBLE NAVIGATION


                          EMPLOYEE STOCK PURCHASE PLAN

                         ELECTION/REVOCATION OF ELECTION
                          DELAY ISSUANCE OF CERTIFICATE


     The undersigned  participant in the 1988 Trimble Navigation  Employee Stock
Purchase  Plan (the  "Stock  Purchase  Plan"),  hereby  elects to allow  Trimble
Navigation  (the  "Company")  or its agent to delay  issuance  of a  certificate
representing  shares  purchased under the Plan in accordance with the provisions
of the Stock  Purchase  Plan.  This election  shall continue in effect until the
termination  of the  undersigned's  Continuous  Status as an  Employee  or until
revoked  pursuant to such Stock Purchase Plan. This election shall not otherwise
affect the participant's rights as a shareholder of the Company.

                                      -OR-

         ____________________  hereby revokes his or her prior election to allow
the  Company to delay  issuance  of a  certificate  pursuant to the terms of the
Stock  Purchase  Plan.  The Company shall deliver to  participant as promptly as
practicable a certificate representing all shares purchased thereby.



                                         Name and Address of Participant

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

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

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





                                         Signature



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





                                         Date:----------------------------------



                                       57
<PAGE>



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