DIANON SYSTEMS INC
PRE 14A, 1996-09-09
MEDICAL LABORATORIES
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                                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:

[X]  Preliminary Proxy Statement

[  ] Definitive Proxy Statement

[  ] Definitive Additional Materials

[  ] Soliciting Material Pursuant to ss. 240.14a-11(c) or ss. 240.14a-12


                              DIANON Systems, Inc.
            -------------------------------------------------------
                (Name of Registrant as Specified In Its Charter)

                              DIANON Systems, Inc.
            -------------------------------------------------------
                   (Name of Person(s) Filing Proxy Statement)

Payment of Filing Fee (Check the appropriate box):

[X]  $125 per Exchange Act Rules 0-11(c)(1)(ii), 14a-6(i)(1), or 14a-6(j)(2).

[  ] $500 per each party to the  controversy  pursuant  to  Exchange  Act Rule
     14a-6(i)(3).

[  ] Fee Computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.

     1)   Title of each class of securities to which transaction applies:

     2)   Aggregate number of securities to which transaction applies:

     3)   Per unit  price  or other  underlying  value of  transaction  computed
          pursuant to Exchange Act Rule 0-11:

     4)   Proposed maximum aggregate value of transaction.

[  ] 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:

     2)   Form, Schedule or Registration Statement No.:

     3)   Filing Party:

     4)   Date Filed:


<PAGE>
                                                                PRELIMINARY COPY

                              DIANON SYSTEMS, INC.

                    NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

                                OCTOBER 24, 1996


     The  Annual  Meeting  of the  shareholders  of DIANON  Systems,  Inc.  (the
"Company")  will be held at the Company's  corporate  headquarters at 200 Watson
Boulevard, Stratford, Connecticut, on Thursday, October 24, 1996, at 10:00 A.M.,
for the following purposes:

          (1)  To elect directors for the ensuing year;

          (2)  To approve the Company's agreement with G.S. Beckwith Gilbert and
               certain of his affiliates that Mr. Gilbert and such affiliates be
               permitted to vote shares of the Company's  common stock purchased
               by them from the Company in October 1995  representing  up to 20%
               of the total  voting  power of the  Company's  voting  securities
               outstanding  from time to time (the "Voting Rights  Proposal") as
               more  fully  discussed  under  "Approval  of  the  Voting  Rights
               Proposal";

          (3)  To approve  the  adoption of the 1996 Stock  Incentive  Plan (the
               "Plan");

          (4)  To  ratify  the  appointment  of  Arthur  Andersen,  LLP  as  the
               independent  public  accountants  of the Company for the calendar
               year ended December 31, 1996; and

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

     Only  shareholders of record at the close of business on September 20, 1996
will be entitled to vote at the Annual Meeting. A list of shareholders  eligible
to vote at the Annual  Meeting will be available  for  inspection  at the Annual
Meeting  and during  business  hours from  October  14,  1996 to the date of the
Annual Meeting at the Company's corporate headquarters.

     Whether you expect to attend the Annual  Meeting or not, your proxy vote is
important.  To assure your  representation at the meeting,  please sign and date
the enclosed proxy card and return it promptly in the enclosed  envelope,  which
requires  no  additional  postage if mailed in the United  States or Canada.

                                        By Order of the Board of Directors

                                                  Elizabeth Pultz
                                                Assistant Secretary

200 Watson Boulevard
Stratford, Connecticut 06497
September 23, 1996

            IT IS IMPORTANT THAT THE ENCLOSED PROXY CARD BE COMPLETED
                              AND RETURNED PROMPTLY


<PAGE>

                              DIANON SYSTEMS, INC.
                                 PROXY STATEMENT

September 23, 1996

     This Statement is furnished in connection with the  solicitation of proxies
by the Board of Directors of DIANON  Systems,  Inc.  ("DIANON" or the "Company")
for use at the Annual  Meeting of its  shareholders  to be held at the Company's
corporate  headquarters  at 200  Watson  Boulevard,  Stratford,  Connecticut  on
Thursday, October 24, 1996, at 10:00 A.M.

     Shares  cannot be voted at the Annual  Meeting  unless the owner thereof is
present in person or by proxy.  All properly  executed and unrevoked  proxies in
the  accompanying  form that are received in time for the Annual Meeting will be
voted at the Annual Meeting or any  adjournment  thereof in accordance  with any
specification  thereon,  or if no specification is made, will be voted "FOR" the
election of the named nominees and approval of the other  proposals set forth in
the  Notice of Annual  Meeting  of  Shareholders  of the  Company.  The Board of
Directors of the Company knows of no other  matters which may be brought  before
the Annual  Meeting.  However,  if any other matters are properly  presented for
action,  it is the intention of the named  proxies to vote on them  according to
their best  judgment.  Any person giving a proxy may revoke it by written notice
to the Company at any time prior to exercise of the proxy. In addition, although
mere  attendance  at the Annual  Meeting  will not  revoke  the proxy,  a person
present at the Annual  Meeting may withdraw his or her proxy and vote in person.
Rights of  appraisal  or  similar  rights of  dissenters  are not  available  to
shareholders  of the Company  with respect to any matter to be acted upon at the
Annual Meeting.

     The Annual  Report of the Company  (which does not form a part of the proxy
solicitation  material),  including the financial  statements of the Company for
the fiscal year 1995, is enclosed herewith.

     The mailing address of the principal executive office of the Company is 200
Watson  Boulevard,  Stratford,  Connecticut  06497. This Proxy Statement and the
accompanying  form of proxy are expected to be mailed to the shareholders of the
Company on or about September 23, 1996.

                                VOTING SECURITIES

     The Company has only one class of voting securities outstanding, its Common
Stock,  par value $.01 per share (the "Common  Stock").  On September  20, 1996,
5,936,298 shares of Common Stock were outstanding.  At the Annual Meeting,  each
shareholder  of record at the close of business on September  20, 1996,  will be
entitled  to one vote for each  share of Common  Stock  owned on that date as to
each matter presented at the Annual Meeting.

                              ELECTION OF DIRECTORS

     Unless otherwise  directed,  the persons named in the accompanying  form of
proxy  intend to vote at the Annual  Meeting  "FOR" the election of the nominees
named in the following table as directors of the Company to serve until the next
Annual Meeting and until their successors are duly elected and qualified.

     If any  nominee is unable to stand for  election  when the  election  takes
place,  the shares  represented  by valid  proxies will be voted in favor of the
remaining  nominees and for such person,  if any, as shall be  designated by the
present Board of Directors to replace such nominee.  The Board of Directors does
not presently anticipate that any nominee will be unable to stand for election.

     The  following  information  with respect to the  principal  occupation  or
employment,  other  affiliations and business  experience of each nominee during
the last five years has been furnished to the Company by such nominee. Except as
indicated,  each of the nominees has had the same  principal  occupation for the
last five years.

Information Concerning Directors and Nominees

     Set forth below is certain information concerning each nominee for director
of DIANON  Systems,  Inc.  All of the nominees  are  currently  directors of the
Company.

     Richard  A.  Sandberg,  age 54, a founder of the  Company,  served as Chief
Executive  Officer and a Director  from its  inception  until May 1992,  when he
became co-Chief Executive Officer.  He has served as Chairman of the Board since
1989 and presently in such position  continues to be an employee of the Company.
Mr. Sandberg  served as President and Chief Executive  Officer from January 1995
to May 1996. Mr. Sandberg also serves as a director of UroMed Corporation.

     Kevin C.  Johnson,  age 41, a  Director  since  May  1996,  has  served  as
President since May 1996, when he joined the Company.  Formerly, Mr. Johnson was
with Corning  Inc., a  manufacturer  of  specialty  materials  and a provider of
laboratory services, for eighteen years, serving most recently as Vice President
and General Manager of Corning Clinical Laboratories in Teterboro, New Jersey.

     John P. Davis,  age 54, Vice  Chairman of the Board since  January 1995, is
President and Chief Executive Officer of Calypte  Biomedical Corp., a diagnostic
products company located in Alameda,  California.  He has been a Director of the
Company since 1984.  From 1984 to January 1995,  Mr. Davis was an officer of the
Company.  Mr. Davis  joined the Company in January  1984 as President  and Chief
Operating  Officer,  and subsequently  became co-Chief  Executive Officer in May
1992 and Chief Executive Officer in 1994. In January 1995, Mr. Davis resigned as
Chief Executive  Officer of the Company.  Mr. Davis also serves as a director of
Athena Neurosciences, Inc. and PepGen Corporation.

     Walter O. Fredericks, age 56, a Director since 1989, is Chairman, President
and Chief  Executive  Officer of Lifecodes  Corporation and Chairman of Cellmark
Diagnostics,  Inc., both of which are in the human identity  testing and product
supply  field.  Mr.  Fredericks  is also  President  and Chairman of  Electronic
Instruments   International    Corporation,   a   manufacturer   of   electronic
instrumentation.

     Jeffrey L. Sklar,  age 48, a Director of the  Company  since 1994,  is also
director,  Division of Diagnostic  Molecular  Biology,  Department of Pathology,
Brigham and Women's  Hospital.  Dr.  Sklar is Professor  of  Pathology,  Harvard
Medical School, and since 1992, Dr. Sklar has also served as Director, Molecular
Diagnostic Laboratory,  Dana-Farber Cancer Institute. Dr. Sklar presently serves
on the  Editorial  Boards of the  American  Journals  of  Pathology  and  Genes,
Chromosomes,  and  Cancer.  In  addition,  Dr.  Sklar  serves on the  Scientific
Advisory  Committee on the Clinical  Sciences,  Fred  Hutchinson  Cancer Center,
Seattle,  Washington;  the Scientific  Advisory  Committee,  New England Primate
Research Center, Harvard University; and the Pathology B Study Section, National
Institutes of Health. Dr. Sklar holds an M.D. and Ph.D. from Yale University and
a M.A. (honorary) from Harvard University.

     G.  S.  Beckwith  Gilbert,  age 54,  a  Director  since  October  1995,  is
President,  Chief  Executive  Officer  and a  director  of Field  Point  Capital
Management  Company in Greenwich,  Connecticut,  a merchant  banking  firm.  Mr.
Gilbert is also a partner of Wolsey & Co., a merchant  banking firm. Mr. Gilbert
serves as a director of Davidson Hubeny Brands, Inc. and TMS Technologies, Inc.

     James B.  Amberson,  age 45, a Director  since January 1995, is Senior Vice
President,  Operations and Chief Medical  Officer of the Company.  Dr.  Amberson
joined DIANON in 1989 as Director,  Cytometry  Business  Unit, and has served as
Vice  President of Pathology  Services,  Vice  President of Medical  Affairs and
Senior Vice President and General Manager of the Anatomic  Pathology Unit before
his present position.  Prior to joining the Company,  he was Assistant Professor
of Pathology,  Cornell  University  Medical College for six years.  Dr. Amberson
holds  an  M.D.  from  Johns  Hopkins  University  and an  M.B.A  from  Columbia
University School of Business.

Committees of the Board

     The  Company's  Board  of  Directors   presently  has  standing  Audit  and
Compensation Committees,  the current membership and principal  responsibilities
of which are described below:

Audit Committee

     Members: Mr. Davis, Mr. Gilbert and Mr. Fredericks

     Mr. Davis and Mr. Gilbert were elected to the Audit  Committee in February,
1996.

     The Audit  Committee's  functions  include  reviewing with the  independent
public  accountants the plan for and results of their audit, the adequacy of the
Company's systems of internal  accounting controls and any material breakdown in
such controls. In addition,  the Audit Committee reviews the independence of the
independent  public  accountants  and their fees for  services  rendered  to the
Company.

Compensation Committee

     Members: Mr. de Bruin, Mr. Fredericks, Mr. Gilbert and Dr. Sklar

     Mr. Gilbert was elected to the Compensation Committee in April, 1996.

     The Compensation  Committee's functions include setting compensation of the
Chairman of the Board and the executive  staff.  In addition,  the  Compensation
Committee  has the  authority  to grant  certain  awards under the 1991 and 1996
Stock Incentive Plans.

Attendance at Board and Committee Meetings

     During  the 1995  fiscal  year  the  Board of  Directors  held six  regular
meetings and five special  meetings.  In addition,  the Audit Committee met once
and the  Compensation  Committee  met four  times.  During such fiscal year each
director  attended at least 75% of the  aggregate of (i) the regular and special
meetings of the Board and (ii) the  meetings of the  committees  of the Board on
which such director served.

Compensation of Directors

     Directors  who are not employees of the Company are paid $2,000 per quarter
and $1,500 for each  meeting of the Board of  Directors  attended  in person and
$500 for each meeting attended by telephone. In addition,  committee members are
paid $500 for each committee  meeting  attended which does not occur on the same
day as a Board  meeting.  Directors are also  reimbursed  for expenses to attend
meetings  of the Board and its  committees.  In  addition,  the Company has made
payments to Brigham & Women's  Hospital,  Inc.  for which Dr. Sklar is director,
Division  of  Diagnostic  Molecular  Biology,   Department  of  Pathology.   See
"Compensation Committee Interlocks and Insider Participation".

     In July 1995, subject to shareholder approval,  the Company adopted a stock
compensation  plan for outside  directors  which  provides for (i) the automatic
grant (subject to shareholder  approval) of initial and quarterly  stock options
with tandem limited stock appreciation  rights beginning July 1995, and (ii) the
automatic  quarterly  grant of  shares  of  stock  beginning  after  shareholder
approval  of the plan (in  replacement  of the $2,000  quarterly  cash fee).  In
September 1996, the plan was amended,  effective upon shareholder  approval,  to
authorize  the Board to make  discretionary  grants of stock  options  and other
equity awards to outside directors. The plan is part of the 1996 Stock Incentive
Plan which is being  submitted for  shareholder  approval at the Annual Meeting.
See "Approval of the DIANON Systems, Inc. 1996 Stock Incentive Plan".

     Each initial and quarterly option which is automatically  granted under the
plan is exercisable for that number of shares obtained by dividing $5,000 by the
closing  price of Common Stock on the date of grant and is  exercisable  at that
price.  Each such option has a 10-year term and vests with respect to 10% of the
underlying shares on the date which is three months after the date of grant, and
an additional 10% at the end of each three-month  period  thereafter.  Each such
option can be exercised  for five years  following a director's  termination  of
service  to the  extent  it had  vested  prior to  termination.  Each  automatic
quarterly stock grant is for the number of shares obtained by dividing $2,000 by
the closing  price of Common  Stock on the date of grant and is fully  vested at
grant.

     Mr.  Sandberg,  Mr.  Johnson and Dr.  Amberson,  who are  employees  of the
Company,  receive no additional  compensation for their services as Directors of
the Company.

Voting for Directors

     Abstentions and shares held of record by a broker or its nominees on behalf
of a beneficial owner that are not voted because the beneficial owner has failed
to direct a vote ("broker  non-votes") are each included in the determination of
the existence of a quorum.  Directors are elected by a plurality of the votes of
the shares present in person or represented by proxy at the meeting and entitled
to vote on the election of directors.  An automated  system  administered by the
Company's  transfer agent tabulates the votes.  Abstentions and broker non-votes
are not counted for purposes of election of directors.

                               EXECUTIVE OFFICERS

     Carl R.  Iberger,  age  43,  has  served  as Vice  President,  Finance  and
Administration  since  March,  1996,  as Vice  President,  Administration  since
January 1991 and Corporate  Secretary since November 1986.  Prior to joining the
Company in 1986,  Mr.  Iberger was  Controller  for a division  of  Dataproducts
Corporation,  a leading  manufacturer  of  computer  printers.  Mr.  Iberger has
submitted his resignation as Vice President,  Finance and  Administration and as
Corporate Secretary, which will be effective as of September 30, 1996.

     Albert A. Luderer,  age 47, has served as Vice President,  Technology since
January  1995.  Dr.  Luderer  joined  DIANON in  November  1993,  as Director of
Research and  Development.  Prior to joining the Company,  Dr.  Luderer was with
Boehringer Mannheim Corporation,  a manufacturer of pharmaceuticals,  diagnostic
instruments  and medicinal  chemicals,  for six years,  serving most recently as
Vice President,  Technology Development & Support. Dr. Luderer holds an M.S. and
Ph.D. from Rutgers University.

     Daniel J.  Cronin,  III, age 38, has served as Vice  President,  Management
Information  Systems since  October  1994.  Mr. Cronin joined DIANON in November
1990 as  Director  of  Management  Information  Systems.  Prior to  joining  the
Company,  Mr. Cronin served as  Applications  Development  Manager with Ultimate
Corporation, a marketer of mini-computer systems and systems maintenance.

     Robert C.  Verfurth,  age 36, has served as Director of Sales since  August
1994.  Mr.  Verfurth  joined  DIANON  in  1989  as a  Sales  Representative  and
subsequently served as National Accounts Manager. Prior to his present position,
Mr.  Verfurth  served as Southeast  Regional Sales  Manager.  Before joining the
Company, Mr. Verfurth was a captain in the U.S. Air Force.

     For information with respect to Mr. Sandberg, Dr. Amberson and Mr. Johnson,
who are also  Directors,  see  "Election of Directors -  Information  Concerning
Directors and Nominees".

                             EXECUTIVE COMPENSATION

Compensation Committee Report

     The  Compensation  Committee of the Board of  Directors of DIANON  Systems,
Inc. (the  "Committee") sets forth its report on executive  compensation  below.
This  Committee  report  documents the  components  of the  Company's  executive
officer compensation programs and describes the basis on which 1995 compensation
determinations were made by the Committee with respect to the executive officers
of  the  Company,  including  the  executive  officers  that  are  named  in the
compensation tables below.

Compensation Program Components

     The Committee is responsible  for setting and monitoring the  effectiveness
of the  compensation  provided to the Company's  officers and senior  management
employees.  In its  decision-making,  the Committee is guided by a  compensation
philosophy  designed to reward  employees for the  achievement of business goals
and the maximization of shareholder return. Specific levels of pay and incentive
opportunity are determined by the competitive  market for executive  talent and,
where appropriate,  the need to invest in the future growth of the business. The
compensation  program,  which  provides  incentives  for  executive  officers to
achieve  the  short-  and  long-term  goals  of  the  Company,  comprises  three
components: base salary, incentive compensation and stock option awards.

     Base Salary - Base pay levels are largely  determined  through  comparisons
     with  service  companies  of  similar  size.  Since the  Company's  current
     strategy places greater reliance on outstanding professional and management
     skills  than on  proprietary  technology,  the Company  believes  that base
     salaries at the high end of the competitor range may be required in certain
     circumstances to maintain the Company's strategic position. Actual salaries
     are based on  individual  performance  contributions  within a  competitive
     salary range for each position that is  established  through job evaluation
     and market comparisons. For 1995 the competitive information used to assess
     appropriate salary levels was derived from a compensation  survey for small
     to  medium-sized  businesses,  and the  base  salary  of the CEO and  other
     officers  comparable  with the  survey  were  between  the  first and third
     quartiles reported in such survey.

     Management  Incentive  Plan  -  The  Company's  Management  Incentive  Plan
     provides cash bonus  incentives  ("Incentive  Payments") for all management
     employees. The bonus payment under this plan is based on a fixed percentage
     of an  employee's  annual  salary,  which  increases  with the  grade of an
     employee's position from 10% to a maximum of 40%. This percentage of salary
     is then  adjusted  to reflect the degree to which  Company  and  individual
     performance  goals are achieved  (respectively,  the  "Company  Achievement
     Percentage" and the "Individual Achievement Percentage") by multiplying the
     employee's fixed bonus percentage by the Company Achievement Percentage and
     by the Individual Achievement  Percentage.  The maximum bonus attainable is
     limited to the prescribed salary percentage, unless certain special Company
     sales and income goals are met.  Achieving  these special  "stretch"  goals
     entitles participants to additional compensation equal to 50% of the amount
     otherwise  payable under the Management  Incentive  Plan ("Extra  Incentive
     Payout").  Actual  awards  are  subject  to  decrease  or  increase  at the
     discretion of the Committee.

     The Company's  goals and the Company  Achievement  Percentage for 1995 were
     based on sales growth and targeted earnings per share levels. The principal
     factor in  measuring  performance  against  Company  goals is actual  sales
     growth  compared  to planned  sales  growth.  Failing  to achieve  targeted
     earnings  per share  goals  can  limit  Incentive  Payments  but  exceeding
     earnings per share goals cannot increase Incentive Payments if sales growth
     is not also achieved. Special Company goals entitling participants to Extra
     Incentive  Payouts were not reached.  The  individual  goals for  executive
     officers were established by the CEO and each executive officer. At the end
     of the year,  each  officer's  performance  was  reviewed  and  assigned an
     Individual  Achievement  Percentage.  Taken  together,  these  Company  and
     Individual  Achievement  Percentages  generated  1995 bonuses  representing
     approximately 17 to 26% of annual base salary for such officers.

     Stock Option  Program - The Committee  strongly  believes that by providing
     executives  an  opportunity  to own  shares  of  Company  stock,  the  best
     interests  of  shareholders   and  executives  will  be  closely   aligned.
     Therefore,  all  executives are eligible to receive stock options from time
     to time  giving them the right to  purchase  shares of Common  Stock of the
     Company  at a specific  price in the  future.  The number of stock  options
     granted to  executive  officers  is  determined  at the  discretion  of the
     Committee based on the accomplishments of such executives,  their length of
     service  with the  Company,  the number of prior  awards  received  by such
     officer, their relative value as well as the exercise price of such awards,
     and  competitive   practices.   During  1995  the  Committee  also  offered
     short-term stock options to all employees of the Company,  in proportion to
     their  respective  salaries,  pursuant  to  the  Company's  Employee  Stock
     Purchase Plan which was approved by the Company's  shareholders at the 1995
     Annual Meeting.

Discussion of 1995 Compensation for the Chairman and Chief Executive Officer

     The Committee meets with the CEO to evaluate his performance.  For 1995 Mr.
Sandberg's   incentive   compensation  was  based  on  the  Company  Achievement
Percentage  and the  Committee's  evaluation  regarding his overall  performance
based on both quantitative and qualitative objectives and expectations. Based on
these  considerations,  and in particular the large 1995  non-recurring  charges
resulting  from prior period  investments,  the Committee  awarded Mr.  Sandberg
incentive compensation in 1995 which represented approximately 17% of his annual
base salary for the year.

     This report has been provided by the Compensation Committee of the Board of
Directors:

                              Walter O. Fredericks
                                 Andre de Bruin
                          Jeffrey L. Sklar, M.D.,Ph.D.

                           SUMMARY COMPENSATION TABLE

     The following  table sets forth  information  with respect to the following
named  executive  officers:  (i) the two persons  who served as Chief  Executive
Officers  ("CEOs")  during  1995  and  (ii) the  four  most  highly  compensated
executive  officers  (other than the CEOs)  serving at  December  31, 1995 whose
total salary and bonus for 1995 exceeded $100,000.  Long Term Compensation Other
Securities  Annual  Underlying All Other Salary Bonus  Compensation  Options (4)
Compensation


<PAGE>

<TABLE>
<CAPTION>

                                                                           Long Term
                                                                          Compensation
                                                              Other        Securities
                                                              Annual       Underlying     All Other
                                        Salary    Bonus     Compensation   Options (4)   Compensation
                                   
<S>                               <C>   <C>       <C>        <C>           <C>           <C>          
Richard A. Sandberg (1) ........  1995  $212,500  $36,975    $   --         $  --        $3,681 (6)
Chairman of the Board and ......  1994   203,280   47,902        --        20,000         3,841
  Chief Executive Officer ......  1993   193,600   42,592        --            --         2,181

John P. Davis (2) ..............  1995    11,728    7,000        --       116,084       195,461 (7)
Former Chief Executive Officer .  1994   203,280   52,000        --        30,000        10,427
                                  1993   193,600   42,592        --            --        13,220

James B. Amberson, M.D .........  1995   185,465   36,997        --        25,000         2,104 (8)
Director, Senior Vice President,  1994   173,764   39,230        --        31,500        12,889
  Operations and Chief Medical .  1993   161,079   33,148        --         6,000        38,103
  Officer ......................                                                             --

Albert A. Luderer, Ph.D ........  1995   163,369   41,758     4,190        10,000         8,530 (9)
Vice President, Technology .....  1994   155,048   27,110     2,214        26,000        22,639
                                  1993    28,846   38,000        --            --         6,536

Carl R. Iberger (12) ...........  1995   108,952   27,788        --            --         3,144 (10)
Vice President, Finance and ....  1994   103,981   17,847        --        26,800         3,465
  Administration and ...........  1993    99,138   16,632        --         5,000         3,566
  Corporate Secretary

Daniel J. Cronin ...............  1995    91,038   18,995        --         4,000         3,092 (11)
Vice President, Management .....  1994    79,615   15,904        --        15,800           726
  Information Systems ..........  1993    72,133   10,066        --         3,000         2,240

</TABLE>

(1)  Mr. Sandberg  ceased serving as Chief  Executive  Officer of the Company in
     May 1996. He continues to serve as Chairman of the Board and as an employee
     of the  Company.
(2)  Mr. Davis resigned as Chief Executive Officer in January 1995. He continues
     to serve as a Director and as Vice  Chairman of the Board.
(3)  The amounts  indicated in 1995 and 1994 for Dr.  Luderer are relocation tax
     gross-ups.
(4)  Does not  include  options  granted  under  the  Company's  Employee  Stock
     Purchase  Plan,  which were made available to all employees of the Company,
     in proportion to their respective salaries,  on a nondiscriminatory  basis.
(5)  In January 1995,  Mr. Davis  resigned his full time  employment and officer
     position with the Company. As part of the severance agreement,  during 1995
     stock options to purchase  69,916 shares of Common Stock at exercise prices
     ranging from $4.56 to $10.75 were  cancelled  and stock options to purchase
     116,084  shares of Common Stock with exercise  prices ranging from $8.00 to
     $10.75 were amended to set their  exercise  price at $5.25.  These  amended
     options  vested 25% in March 1995.  The  remaining 75% will vest in January
     1997 if non-compete and other  agreements are not violated prior to January
     1997.
(6)  The $3,681 indicated for Mr. Sandberg represents  contributions paid by the
     Company pursuant to the Company's 401(K)  Retirement Plan and premiums paid
     by the Company for term life  insurance  which for 1995  amounted to $1,500
     and  $2,181,  respectively.
(7)  The  $195,461  indicated  for  Mr.  Davis  represents  severance  payments,
     contributions  paid  by  the  Company  pursuant  to  the  Company's  401(K)
     Retirement  Plan and premiums  paid by the Company for term life  insurance
     which for 1995 amounted to $191,562, $1,848 and $2,051,  respectively.
(8)  The $2,104 indicated for Dr. Amberson represents  contributions paid by the
     Company pursuant to the Company's 401(K)  Retirement Plan and premiums paid
     by the Company for term life  insurance  which for 1995  amounted to $1,500
     and $604,  respectively.
(9)  The $8,530 indicated for Dr. Luderer includes deferred  compensation  under
     the Company's  vacation  banking policy accrued during 1995,  contributions
     paid by the Company  pursuant to the Company's  401(K)  Retirement Plan and
     premiums  paid by the  Company  for  term  life  insurance  which  for 1995
     amounted  to  $6,392,  $920  and  $1,218,  respectively.
(10) The $3,144 indicated for Mr. Iberger includes deferred  compensation  under
     the   Company's   vacation   banking   policy   accrued  for  during  1995,
     contributions  paid  by  the  Company  pursuant  to  the  Company's  401(K)
     Retirement  Plan and premiums  paid by the Company for term life  insurance
     which for 1995 amounted to $2,127,  $520 and $497,  respectively.
(11) The $3,092 indicated for Mr. Cronin includes  deferred  compensation  under
     the   Company's   vacation   banking   policy   accrued  for  during  1995,
     contributions  paid  by  the  Company  pursuant  to  the  Company's  401(K)
     Retirement  Plan and premiums  paid by the Company for term life  insurance
     which for 1995 amounted to $1,731,  $965 and $396,  respectively.
(12) Mr. Iberger has submitted his  resignation as Vice  President,  Finance and
     Administration  and as Corporate  Secretary,  which will be effective as of
     September 30, 1996.

Employment and Severance Agreements

     In January 1995,  Mr. Davis  resigned his full-time  employment and officer
position with the Company.  The Company paid approximately  $257,000 during 1995
and $21,000  during 1996 for  severance  benefits to Mr.  Davis.  As part of the
severance  agreement,  during 1995 stock  options to purchase  69,916  shares of
Common Stock at exercise  prices ranging from $4.56 to $10.75 were cancelled and
stock options to purchase  116,084  shares of Common Stock with exercise  prices
ranging from $8.00 to $10.75 were amended to set their  exercise price at $5.25.
These amended  options  vested 25% in March 1995. The remaining 75% will vest in
January 1997 if  non-compete  and other  agreements  are not  violated  prior to
January 1997.

     The Company has executive  severance  agreements with Mr. Sandberg and with
Dr. Amberson (the  "Employees").  Each such agreement provides that in the event
of a "Change in Control of the  Company",  as defined in the  agreement,  if the
Employee's  employment is terminated  other than for "Cause",  as defined in the
agreements,  he is entitled  to receive one year's  salary and bonus and all his
stock options will vest completely.  The agreements expire in March 2001 and are
subject to successive  automatic  one-year renewals  thereafter  (unless certain
notice is given).

     The  Company  has  also  entered  into an  employment  agreement  with  Dr.
Amberson.  Pursuant to the  agreement,  Dr.  Amberson is entitled to a salary as
determined  by the Company and other  benefits of the  Company.  This  agreement
provides that in the event of a termination  of Dr.  Amberson's  employment  for
other than  "Stated  Cause" (as  defined in the  agreement),  he is  entitled to
receive six months salary and other  benefits.  Subject to the  foregoing,  this
agreement is subject to termination at will by either party.

     The Company has also entered into an employment agreement with Mr. Johnson.
The  agreement  provides for an initial  base salary of $275,000 per annum,  the
grant of options to purchase  200,000 shares of Common Stock with a 10-year term
and an exercise price of $5.69, stock grants of 15,000 shares of Common Stock on
each of January 2, 1997 and January 2, 1998 provided Mr. Johnson continues to be
employed by the Company, a signing bonus of $50,000 and a loan of $150,000.  The
loan carries an interest rate of 5.9%,  payable annually,  and is repayable upon
termination of Mr. Johnson's employment by the Company. If Mr. Johnson continues
to be employed by the Company,  the loan  principal will be forgiven at the rate
of $2,500 per  complete  month of  employment  from  January  31,  1998  through
December 31, 2002. This agreement provides that in the event of a termination of
Mr. Johnson's employment other than for "Cause", as defined in the agreement, he
is  entitled  to receive one year's  salary and other  benefits.  Subject to the
foregoing, this agreement is subject to termination at will by either party.

Performance Graph

     The Securities and Exchange Commission requires that the Company include in
this proxy statement a line-graph  presentation comparing cumulative shareholder
return on an  indexed  basis  with a broad  equity  market  index  and  either a
published  industry index or an index of peer companies selected by the Company.
The graph below compares the cumulative  total return during such period on $100
invested as of July 31, 1991 (the effective date of the Company's initial public
offering)  in the  Common  Stock of the  Company,  the H&Q  Health  Care  Sector
excluding  the  Biotechnology  Sector of the  Hambrecht & Quist  Technology  and
Growth Indices and the NASDAQ National Market Index,  assuming the  reinvestment
of all dividends:

                 COMPARISON OF FIVE-YEAR CUMULATIVE TOTAL RETURN

<TABLE>
<CAPTION>

                                                       H&Q Health Care
                  DIANON        Nasdaq Stock        Without Biotechnology
DATES             Systems       Market - U.S.            Sub-Sector

<S>               <C>             <C>                    <C>
July-91           $100.00         $100.00                 $100.00
Dec-91             171.88          118.04                  145.90
Dec-92             137.50          137.37                  123.00
Dec-93              75.00          157.70                   88.09
Dec-94              50.00          154.15                   93.60
Dec-95              53.13          217.99                  155.84

</TABLE>

Change of Control Provisions

     Each of the Company's Employee Stock Purchase Plan and 1991 Stock Incentive
Plan  contains  "Change of Control"  (as such term is defined in each such plan)
provisions generally comparable to the change of control provisions contained in
the Company's 1996 Stock  Incentive Plan described under "Approval of the DIANON
Systems, Inc. 1996 Stock Incentive Plan" which provisions have effects generally
comparable  to the effects  described for the 1996 Stock  Incentive  Plan except
that  options  granted  under  the  Employee  Stock  Purchase  Plan will only be
exercisable (if not already exercisable) as of the first business day that is at
least 30 days after the "Change of Control" rather than immediately.

Compliance with Section 16(a) of the Securities Exchange Act of 1934

     Section 16(a) of the Securities Exchange Act of 1934 requires the Company's
directors,  executive  officers,  and persons who own more than ten percent of a
registered class of the Company's equity  securities to file with the Securities
and Exchange  Commission  initial reports of ownership and reports of changes in
ownership of Common Stock and other equity securities of the Company.  Officers,
directors and greater than ten percent  shareholders are required to furnish the
Company with copies of all Section 16(a) forms they file.

     To the  Company's  knowledge,  based solely on review of the copies of such
reports furnished to the Company and representations  that no other reports were
required  during the fiscal year ended  December  31,  1995,  all Section  16(a)
filing  requirements  applicable  to its  officers,  directors  and ten  percent
shareholders were complied with except for the following exceptions: Mr. Cronin,
Mr. Davis,  Dr. Foemmel and Mr. Verfurth each reported one transaction late on a
subsequently filed Form 5.

     The  following  table  shows,  as to the named  executive  officers  of the
Company,  information  about  option  grants  in the  last  fiscal  year.  As of
September 20, 1996, the Company has not granted any Stock Appreciation Rights.

                        OPTION GRANTS IN LAST FISCAL YEAR

<TABLE>
<CAPTION>

                              Number of      % of Total                             Potential Realizable Value at
                              Securities      Options                                  Assumed Annual Rates of
                              Underlying     Granted to   Exercise or                 Stock Price Appreciation
                               Options       Employees    Base Price   Expiration         for Option Term
            Name            Granted (#)(3)   in 1995(3)    ($/Share)      Date          5%($)          10%($)
            ----            --------------   ----------   ---------    ----------       -----          ------

<S>                         <C>              <C>          <C>          <C>            <C>             <C>             
Richard A. Sandberg               0              --      $  --                --      $     --        $     --
John P. Davis               116,084 (1)          36%       5.25         01/20/00       383,274         971,292
James B. Amberson, M.D       25,000 (2)           8%       5.25         08/15/05        82,542         209,179
Albert A. Luderer, Ph.D      10,000 (2)           3%       5.25         08/15/05        33,017          83,671
Daniel J. Cronin              4,000 (2)           1%       5.25         08/15/05        13,207          33,469

</TABLE>

(1)  In January 1995,  Mr. Davis  resigned his full time  employment and officer
     position with the Company. As part of the severance agreement,  during 1995
     stock options to purchase  69,916 shares of Common Stock at exercise prices
     ranging from $4.56 to $10.75 were  cancelled  and stock options to purchase
     116,084  shares of Common Stock with exercise  prices ranging from $8.00 to
     $10.75 were amended to set their  exercise  price at $5.25.  These  amended
     options  vested 25% in March 1995.  The  remaining 75% will vest in January
     1997 if non-compete and other  agreements are not violated prior to January
     1997.
(2)  In August 1995, the Company granted certain  employees and officers options
     to  purchase  156,000  shares of Common  Stock at $5.25 per share under the
     1991 Stock  Incentive  Plan.  These options vest 40% in August 1997 and 20%
     during each year thereafter.
(3)  Does not  include  options  granted  under  the  Company's  Employee  Stock
     Purchase Plan, which were made available to all employees of the Company on
     a non-discriminatory basis.

     The following  table shows  aggregate  option  exercises in the last fiscal
year and fiscal year-end option values for the named executive officers.


<PAGE>

    AGGREGATED OPTION EXERCISES IN LAST FISCAL YEAR AND FY-END OPTION VALUES

<TABLE>
<CAPTION>

                                                                                            Value of Unexercised
                                                                   Number of                In-the-Money Options
                              Shares      Value Realized      Securities Underlying          at FY-End (based on
                             Acquired     (Market Price            Unexercised                 FY-End Price of
                               on        at Exercise less       Options at FY-End              $4.25/share) (1)
            Name             Exercise   Exercise Price($))  Exercisable   Unexercisable  Exercisable   Unexercisable
            ----             --------   -----------------   -----------   -------------  -----------   -------------


<S>                           <C>          <C>               <C>             <C>         <C>           <C>      
Richard A. Sandberg               --       $    --           149,024         26,976      $       --    $      --
John P. Davis                     --            --            29,021         87,063              --           --
James B. Amberson, M.D.           --            --            17,200         39,300              --           --
Albert A. Luderer, Ph.D.          --            --            10,400         25,600              --           --
Carl R. Iberger                   --            --            15,440         11,360              --           --
Daniel J. Cronin               2,080         3,432             6,960         12,840              --           --

</TABLE>

(1)  Computed  based upon  difference  between  aggregate  fair market value and
     aggregate exercise price.


<PAGE>

                          10 YEAR OPTION REPRICINGS (1)
                                                 
<TABLE>
<CAPTION>

                                          Number of     
                                          Securities    Market Price
                                          Underlying      of Stock                                        Length of Original Option
                                           Options       at Time of    Exercise Price at                      Term Remaining at
                                          Repriced       Repricing     Time of Repricing   New Exercise       Date of Repricing
Name                         Date        or Amended     or Amendment     or Amemdment         Price             or Amendment 
- ----                         ----        ----------     ------------     ------------         -----             ------------

<S>                        <C>              <C>             <C>             <C>               <C>       <C>        
Richard S. Foemmel, Ph.D.  June 9, 1994     1,040           $4.56           $3.85             $4.56            10 months  (2)
                                            3,600            4.56           9.88              4.56      2 years 7 months  (3)
                                            3,200            4.56           9.94              4.56      3 years 8 months  (4)
                                            4,000            4.56           8.00              4.56      9 years 5 months  (5)

James B. Amberson, M.D.    June 9, 1994     3,900            4.56           3.85              4.56             10 months  (2)
                                            3,600            4.56           9.88              4.56      2 years 7 months  (3)
                                            3,200            4.56           9.94              4.56      3 years 8 months  (4)
                                            4,800            4.56           8.00              4.56      9 years 5 months  (5)

Albert A. Luderer, Ph.D.   June 9, 1994    12,000            4.56           8.00              4.56      9 years 5 months  (5)

Carl R. Iberger            June 9, 1994     5,200            4.56           3.85              4.56             10 months  (2)
                                            2,400            4.56           9.88              4.56      2 years 7 months  (3)
                                            3,200            4.56           9.94              4.56      3 years 8 months  (4)
                                            4,000            4.56           8.00              4.56      9 years 5 months  (5)

Daniel J. Cronin           June 9, 1994       800            4.56           9.88              4.56      2 years 7 months  (3)
                                            1,600            4.56           9.94              4.56      3 years 8 months  (4)
                                            2,400            4.56           8.00              4.56      9 years 5 months  (5)

John P. Davis              March 16, 1995  84,884            5.25           8.00              5.25      6 years, 3 months  (6)
                                           31,200            5.25          10.75              5.25      6 years, 3 months  (6)
</TABLE>

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

(1)  Does not include  repricing  before July 31, 1991 when the Company became a
     reporting  company  pursuant  to section  13(a) or 15(d) of the  Securities
     Exchange Act of 1934.
(2)  The repriced  options  expire on April 30, 2000.
(3)  The repriced  options  expire on April 30, 2001.
(4)  The repriced  options  expire on April 30, 2002.
(5)  The repriced  options  expire on April 30, 2003.
(6)  The  repriced  options  expire on January  20,  2000.  These  options  were
     repriced as part of a negotiated  severance  agreement with Mr. Davis which
     included non-compete,  non-solicitation and other provisions which inure to
     the benefit of the Company.


<PAGE>

           COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION

     Dr. Sklar served as a member of the Compensation Committee of the Company's
Board of Directors  during the last  completed  fiscal year and is continuing to
serve as such in the  1996  fiscal  year.  In 1995 the  Company  entered  into a
three-year  research and development  agreement with Brigham & Women's Hospital,
Inc., for which Dr. Sklar is director, Division of Diagnostic Molecular Biology,
Department of Pathology.  The agreement  requires the Company to make  quarterly
payments  of  $30,000  totaling  $360,000  in  exchange  for  option  rights  to
discoveries and inventions in the areas of cancer  detection and diagnosis.  The
research is to be conducted by Dr. Sklar, a Director of the Company. The Company
paid $60,000 in 1995 and as of September 20, 1996,  has made payments of $90,000
for 1996.  In  addition,  the  Company  has made  payments  to Brigham & Women's
Hospital,  Inc. of $30,000 in each of 1995 and 1996 for  consulting  services by
Dr. Sklar.

                     OWNERSHIP OF VOTING STOCK BY MANAGEMENT

     The following table gives information  concerning the beneficial  ownership
of Common Stock as of September  20, 1996 by all directors and each of the named
executive officers and all directors and executive officers as a group.

<TABLE>
<CAPTION>

                            Total Shares
                            Beneficially                            Right to      Percent of
Beneficial Owners           Owned (1)(2)     Direct Ownership      Acquire(3)      Class(4)
- -----------------           ------------     ----------------      ----------      --------

<S>                            <C>                 <C>              <C>            <C>
Richard A. Sandberg            245,069             96,045           149,024        4%
John P. Davis                  143,241            114,220            29,021        2%
Andre de Bruin                  10,300              4,300             6,000        --  (5)(6)
Walter O. Fredericks             3,900                 --             3,900        --  (5)
Jeffrey L. Sklar                    --                 --                --        --  (5)
James B. Amberson, M.D.         34,992             15,652            19,340        --  (5)
Albert A. Luderer               12,800              4,800             8,000        --  (5)
Carl R. Iberger (8)             19,310              1,950            17,360        --  (5)
Daniel J. Cronin                 9,161              8,201               960        --  (5)
G. S. Beckwith Gilbert       1,800,000          1,000,000           800,000        27% (7)
Kevin C. Johnson               200,000                 --           200,000        3%

All directors and 
 executive  officers         2,481,073          1,246,220         1,234,853        35%
 as a group (12 persons)

</TABLE>

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

(1)  The information as to beneficial ownership is based on statements furnished
     to the Company by its  executive  officers  and  directors.  The  executive
     officers  and  directors  have sole voting and sole  investment  power with
     respect to all shares  included in the table above,  except for Mr. Gilbert
     with  respect  to  121,951  shares  which  are held by a trust of which Mr.
     Gilbert is a trustee.
(2)  Includes shares listed under the captions "Direct  Ownership" and "Right to
     Acquire".
(3)  Individuals currently have the right to acquire these shares within 60 days
     after September 20, 1996 by the exercise of stock options or warrants.
(4)  For the purposes of this table,  "Percent of Class" held by each individual
     and by all directors and executive  officers as a group has been calculated
     based on a total class equal to the sum of (i)  5,936,298  shares of Common
     Stock  issued and  outstanding  on  September  20,  1996 plus (ii) for such
     individual  or such  group,  as the case may be,  the  number  of shares of
     Common Stock subject to stock options or warrants presently exercisable, or
     exercisable  within  60  days  after  September  20,  1996,  held  by  that
     individual, or such group, as the case may be, and which percent is rounded
     to the nearest whole number.
(5)  Percentage of shares beneficially owned does not exceed 1% of the class.
(6)  Mr. de Bruin  will not  stand for  re-election  to the  Company's  Board of
     Directors.
(7)  As of September 20, 1996, Mr. Gilbert cannot vote, without restriction, any
     Common Stock or other voting securities of the Company  beneficially  owned
     by him  representing  greater than 1,056,978 votes (which would  constitute
     approximately 18% of the Company's voting securities outstanding as of such
     date).  Any votes in excess of  1,056,978  represented  by Common  Stock or
     other voting securities of the Company beneficially owned by Mr. Gilbert as
     of such date are  required to be voted in  proportion  to the votes cast by
     all other  shareholders of the Company.  See "Approval of the Voting Rights
     Proposal".
(8)  Mr. Iberger has submitted his  resignation as Vice  President,  Finance and
     Administration  and as Corporate  Secretary,  which will be effective as of
     September 30, 1996.

             OWNERSHIP OF VOTING STOCK BY CERTAIN BENEFICIAL OWNERS

     The following table sets forth information with respect to the only persons
who, to the best knowledge of the Company's management as derived from schedules
13D and 13G, beneficially owned more than five percent of the Common Stock as of
September 20, 1996 (unless  otherwise  indicated below,  each person included in
the table has sole  voting  and  investment  power  with  respect  to all shares
included therein):

<TABLE>
<CAPTION>
                                                           Amount and Nature
                             Name and Address of             of Beneficial           Percent
  Title of Class              Beneficial Owner                 Ownership           of Class(3)
  --------------              ----------------                 ---------           -----------    

<S>                      <C>                                   <C>                    <C>
DIANON Common Stock      G.S. Beckwith Gilbert                 1,800,000 (1)          27% (2)
                         and certain of his affiliates
                         35 Vista Drive
                         Greenwich, CT 06830

DIANON Common Stock      John M. Bryan and affiliates            711,153               12%
                         Bryan and Edwards
                         600 Montgomery Street - 35th Floor
                         San Francisco, CA 94111

DIANON Common Stock      Oracle Management Partners, Inc.        431,328                7%
                         and Affiliates
                         712 E 5th Avenue - 45th Floor
                         New York, NY 10019

</TABLE>

(1)  Mr.  Gilbert has the right to acquire  beneficial  ownership  of 800,000 of
     such shares by the exercise of certain warrants.  In addition,  Mr. Gilbert
     has shared  voting and  investment  power  with  respect to 121,951  shares
     included in the table above.
(2)  As of September 20, 1996, Mr. Gilbert cannot vote, without restriction, any
     Common Stock or other voting securities of the Company  beneficially  owned
     by him  representing  greater than 1,056,978 votes (which would  constitute
     approximately 18% of the Company's voting securities outstanding as of such
     date).  Any votes in excess of  1,056,978  represented  by Common  Stock or
     other voting securities of the Company beneficially owned by Mr. Gilbert as
     of such date are  required to be voted in  proportion  to the votes cast by
     all other  shareholders of the Company.  See "Approval of the Voting Rights
     Proposal".
(3)  For the purposes of this table,  "Percent of Class" held by each individual
     has  been  calculated  based  on a  total  class  equal  to the  sum of (i)
     5,936,298  shares of Common Stock issued and  outstanding  on September 20,
     1996 plus (ii) for such  individual  the  number of shares of Common  Stock
     subject to stock options or warrants presently exercisable,  or exercisable
     within 60 days after September 20, 1996, held by that individual, and which
     percent is rounded to the nearest whole number.


<PAGE>

                     CERTAIN TRANSACTIONS AND RELATIONSHIPS

Other Transactions and Indebtedness of Management

     The Company has entered into an agreement with Brigham & Women's  Hospital,
Inc.  pursuant to which  payments are being made to such  hospital in connection
with  research  being  conducted by Dr.  Sklar,  a director of the Company.  See
"Compensation Committee Interlocks and Insider Participation".

     As part of the  process to recruit a new  executive,  the  Company  lent an
affiliate of Mr.  Sandberg  $75,000 in March 1995 at 8% interest.  Such loan was
repaid in full with interest in March 1996.

     On October 5, 1995 the Company  completed a  $5,612,000  private  placement
with G.S. Beckwith Gilbert and certain of his affiliates for 1 million shares of
Common  Stock and  800,000 two year  warrants  exercisable  at $6.00  (except as
otherwise described below).  Upon consummation of such transaction,  Mr. Gilbert
was  elected  to the  Company's  Board of  Directors.  On August 20,  1996,  the
Company's Board of Directors  approved an amendment to the terms of the Warrants
to extend from  October 4, 1996 to October 31, 1996 the date  through  which the
Warrants  can be  exercised at $5.00 per share.  The  amendment  was approved in
connection  with the  scheduling  of the Annual  Meeting for October 24, 1996 to
enable the voting on the Voting  Rights  Proposal to be  completed  prior to the
expiration of the $5.00 per share  exercise  price.  See "Approval of the Voting
Rights Proposal".

     For description of a loan from the Company to Mr. Johnson,  see "Employment
and Severance Agreements".

                     APPROVAL OF THE VOTING RIGHTS PROPOSAL

     On October  5, 1995 the  Company  completed  a private  sale (the  "Private
Placement")   to  G.  S.  Beckwith   Gilbert  and  certain  of  his   affiliates
(collectively  the "Gilbert  Entities") of 1,000,000 shares of Common Stock (the
"Shares") and 800,000 two-year  warrants (the  "Warrants")  exercisable at $6.00
per share of Common Stock (except as otherwise described below) for an aggregate
consideration  of  $5,612,000.  The Company  received cash of  $5,316,000  and a
two-year promissory note in the principal amount of $296,000 bearing interest at
an annual rate equal to 7% (the "Private  Placement  Note").  Some or all of the
Warrants can be  exercised at a price of $5.00 at any time on or before  October
31, 1996.  Upon such exercise,  the Company will  extinguish as an adjustment to
the purchase price paid for such Warrants,  for each such Warrant for which such
exercise has been made, $0.37 of the principal  amount of the Private  Placement
Note upon  payment  of the  interest  due on such  extinguished  amount  for the
outstanding  period.  If the 800,000  Warrants  are all  exercised  on or before
October  31,  1996,  the  Private  Placement  Note  for  $296,000  will be fully
extinguished. See "Certain Transactions and Relationships".  As of September 20,
1996, no Warrants  have been  exercised and $296,000 in principal of the Private
Placement Note is outstanding.

     Under  the terms of the  Private  Placement,  for a period of seven  years,
subject to earlier termination in certain events (the "Standstill Period"),  the
Gilbert  Entities are subject to "standstill"  limitations  providing  generally
that (i) the Gilbert  Entities will not  beneficially  own any securities of the
Company  entitled to vote generally in the election of directors of the Company,
including Common Stock ("Voting Securities"),  other than the Shares, the shares
issuable upon exercise of the Warrants (the "Warrant Shares"),  shares of Common
Stock  issuable  pursuant  to options or rights  under  Company  plans  ("Option
Shares") and additional  Voting  Securities so long as the votes  represented by
such additional  Voting  Securities  together with the votes  represented by the
Shares,  Warrant  Shares and Option Shares do not equal or exceed 25% or more of
the total voting power represented by all outstanding  Voting Securities ("Total
Voting Power"),  (ii) without regard to clause (i), the Gilbert Entities' voting
power would be limited to 1,056,978  shares of Common Stock (the "Gilbert Voting
Limit")  representing  approximately 16.7% of the Total Voting Power (determined
on a post-transaction  basis) and approximately  19.9% of the Total Voting Power
(determined  on a  pre-transaction  basis),  except in one limited  circumstance
involving a sale of the Company in which the Gilbert  Entities would not receive
an adequate  return on their  investment  in the Company,  (iii)  subject to the
Gilbert Voting Limit, the Gilbert Entities would agree to vote for the Company's
nominees in  elections of  directors,  and (iv) the Gilbert  Entities  would not
enter into voting trusts or voting agreements or similar  arrangements,  solicit
proxies or become participants in a proxy  solicitation,  participate in any 13D
group, or, with certain  exceptions,  make an unsolicited  offer to enter into a
business combination or purchase any material assets of the Company.

     Upon consummation of the Private Placement,  Mr. Gilbert was elected to the
Company's Board of Directors and, so long as the Gilbert  Entities  beneficially
own 5% or more of the total Voting Securities  outstanding,  Mr. Gilbert will be
included in the nominees  recommended  to the  shareholders  for election to the
Board of Directors.  The Gilbert Entities are also entitled to notice of certain
business  combinations and other material events relating to the Company and, if
the Company issues Voting Securities for cash, the Gilbert Entities are entitled
to purchase  additional  Voting  Securities  from the Company to maintain  their
proportionate  stock  ownership  interest  and,  if the  Company  issues  Voting
Securities to a person that after such issuance  would own a greater  percentage
of Voting  Securities  or Voting  Power than the Gilbert  Entities,  the Gilbert
Entities are entitled to acquire a matching interest,  subject, in each case, to
the Gilbert Voting Limit. The Gilbert Entities are entitled to notice of certain
third party actions that would result in a change of control of the Company, and
have a right of first  negotiation if the Company proposes to enter into certain
business combinations.

     Under the rules of the National  Association  of Securities  Dealers,  Inc.
("NASD")  applicable  to the Company,  any issuance of securities by the Company
with  voting  rights  greater  than 19.9% of the  Company's  outstanding  Voting
Securities  (prior to any such  issuance),  or 1,056,978  votes,  would  require
approval  by  the  Company's  shareholders.  Since  the  Gilbert  Entities  were
purchasing 1,000,000 shares of Common Stock and Warrants  representing the right
to acquire an additional  800,000 shares of Common Stock, the Company would have
been  required  under  the NASD  rules to  obtain  shareholder  approval  of the
transaction.  Because  seeking  shareholder  approval  at that time  would  have
substantially delayed the consummation of the Private Placement, the Company and
the  Gilbert  Entities  agreed  that  (1) if at any time  the  Gilbert  Entities
beneficially  owned Voting Securities  representing more than the Gilbert Voting
Limit (1,056,978 shares representing 16.75% of the Company's  outstanding Voting
Securities),  the  Gilbert  Entities  agreed  to take  such  action  as would be
required so that (with one limited  exception  noted on the preceding  page) all
shares  of  Voting  Securities   beneficially  owned  by  the  Gilbert  Entities
representing  votes in excess of the Gilbert  Voting Limit are voted in the same
proportion  as the  votes  cast by other  holders  of Voting  Securities  on all
matters to be voted on by the holders of Voting Securities  (including,  without
limitation,  matters relating to mergers or other business combinations) and (2)
the Company  would seek  approval at the  Company's  first  annual  shareholders
meeting  following such consummation to raise the Gilbert Voting Limit up to 20%
of the Company's  outstanding  Voting Securities from time to time (representing
1,187,260 votes based on the 5,936,298 shares of Common Stock  outstanding as of
the record date for the Annual Meeting).

     If the  Company's  shareholders  approve  the Voting  Rights  Proposal  the
Company  will enter  into an  appropriate  amendment  of the  Private  Placement
agreement with the Gilbert  Entities to increase the Gilbert Voting Limit to 20%
of the total voting power of all the  Company's  Voting  Securities  outstanding
from time to time.  If the  Company's  shareholders  do not  approve  the Voting
Rights Proposal, the Gilbert Voting Limit will remain at 1,056,978 votes and Mr.
Gilbert will have the right for a period of 30 days after the Annual  Meeting to
rescind some or all of the Warrants then  outstanding and upon such  rescission,
with respect to each  rescinded  Warrant the Company shall pay Mr. Gilbert $1.52
in cash and cancel $.37 of principal amount of the Private Placement Note. Other
than complying with its obligations under the Private Placement  agreement,  the
Company  does not have any plans  with  respect  to actions it might take if the
Voting  Rights  Proposal  is not  approved  by its  shareholders  at the  Annual
Meeting.

     The Board of Directors  recommends that shareholders vote "FOR" approval of
the Voting Rights  Proposal.  The Voting Rights Proposal  reflects the Company's
agreement to the terms of the Gilbert Entities  investment in the Company at the
time of the  Private  Placement,  and the  Company  believes  it is in the  best
interest  of the  Company and its  shareholders.  Approval of the Voting  Rights
Proposal  requires  that the  number of votes cast in favor of  approval  of the
Voting Rights  Proposal exceed the number of votes a cast against such approval.
Abstentions and broker  "non-votes"  (shares not voted because a nominee holding
shares for a beneficial  owner neither  receives  voting  instructions  from the
beneficial owner nor has  discretionary  voting power with respect thereto) will
have no effect on the vote.

     As of the record date for the Annual Meeting,  the Directors of the Company
who  approved  the  Private  Placement  and the  Gilbert  Entities,  as a group,
beneficially  owned an  aggregate  of  1,230,217  shares of Common  Stock (which
amount excludes all shares subject to options and warrants outstanding as of the
record date for the Annual Meeting and exercisable  (but not exercised) as of or
within 60 days after such  record  date  representing  approximately  21% of the
outstanding  Common  Stock.  All such  directors  and the Gilbert  Entities have
indicated  their  intention to vote all of their Common Stock "FOR"  approval of
the Voting Rights Proposal.

                      APPROVAL OF THE DIANON SYSTEMS, INC.
                            1996 STOCK INCENTIVE PLAN

     The Board of  Directors  has  adopted,  subject to  approval  at the Annual
Meeting,  the DIANON Systems,  Inc. 1996 Stock Incentive Plan (the "Plan").  The
purposes  of the Plan are to enable the  Company to  attract,  retain and reward
employees by offering  employees an equity interest in the Company and to enable
the Company to pay part of the  compensation of its outside  directors in Common
Stock.

Principal Provisions of the Plan

     The  following  summary of the Plan,  as adopted by the Board of  Directors
subject to shareholder  approval,  is qualified by reference to the full text of
the Plan, which is attached as Exhibit A to this Proxy Statement.

General Provisions

     The Plan  authorizes the granting of awards in the form of any  combination
(independent  or in tandem) of (1) options to purchase  shares of Common  Stock,
(2) stock  appreciation  rights ("SARs"),  (3) shares of restricted Common Stock
("restricted  stock"),  (4) shares of deferred Common Stock ("deferred  stock"),
(5) bonus stock, (6) loans,  and (7) tax-offset  payments with respect to any of
such awards.  Awards may be granted (i) to employees (including officers) of the
Company and certain related  companies by the Plan Committee (as defined below),
and (ii) to  directors  who are not  employees  or  officers  of the  Company or
certain related companies ("Outside  Directors") by the Board of Directors.  The
Plan also provides for the automatic  grant to Outside  Directors of (1) options
to  purchase  shares of  Common  Stock and  related  limited  SARs and (2) stock
grants.

     Administration.  The Plan is  administered  by the Board of Directors  with
respect to awards to Outside  Directors,  and by a  committee  of the  Company's
Board of Directors,  which consists of at least two Outside Directors (the "Plan
Committee"),  with respect to awards to  employees.  (The Board of Directors and
the Plan Committee,  in their respective roles, are referred to as the "Granting
Authority.")  With  respect to awards  within  its  jurisdiction,  the  Granting
Authority  designates the persons to be granted awards from among those eligible
and the type and amount of awards to be granted and has  authority  to interpret
the Plan, adopt, alter and repeal administrative regulations,  and determine and
amend the terms of awards.  The Plan  Committee  may delegate to officers of the
Company any of its  authority  under the Plan (other than with respect to awards
to persons  subject to Section 16 of the  Securities  Exchange  Act of 1934,  as
amended, and Performance Awards (as defined below)).

     Eligibility. The Plan Committee may make awards under the Plan to employees
(including  officers)  of the Company or of any entity in which the Company owns
at least a 20% interest. The employee participants in the Plan are selected from
among  those  eligible in the sole  discretion  of the Plan  Committee.  Outside
Directors are  automatically  granted stock options and related limited SARs and
stock  grants  having  the  terms  specified  in the  Plan,  and may be  granted
discretionary  awards  by the  Board  of  Directors.  All  employees  (currently
numbering  approximately 400) and Outside Directors  (currently numbering 5) are
eligible to receive awards under the Plan.

     Limitations on Awards. The aggregate number of shares of Common Stock which
may be  issued  under the Plan is  700,000,  of which  630,000  may be issued to
employees and 70,000 may be issued to Outside Directors. Such shares may consist
of authorized but unissued shares or treasury shares.  The exercise of a SAR for
cash or the  settlement  of any other award in cash will not count  against this
share limit. Shares subject to lapsed,  forfeited or canceled awards,  including
options  canceled  upon the  exercise  of tandem  SARs for cash,  will not count
against this limit and can be regranted under the Plan. If the exercise price of
an option is paid in Common Stock or if shares are  withheld  from payment of an
award to satisfy tax  obligations  with  respect to the award,  such shares also
will not count against the above limit.

     No employee may be granted stock options,  SARs, restricted stock, deferred
stock, or bonus stock under the Plan with respect to more than 300,000 shares of
Common Stock in any fiscal year. No employee may be granted tax-offset  payments
with respect to more than the number of shares of Common Stock covered by awards
granted to such  employee in such fiscal  year.  The Plan does not limit  awards
which may be made under other plans of the Company.

Discretionary Awards

     The  Plan   authorizes  the  Granting   Authority  to  grant,   within  its
jurisdiction, the following types of awards in its discretion:

     1.  Stock Options. The Granting Authority is authorized to grant incentive
stock options ("ISOs") and  non-qualified  stock options to purchase such number
of shares of Common Stock as the Granting Authority  determines.  An option will
be  exercisable  at such  times,  over such term and  subject  to such terms and
conditions  as the  Granting  Authority  determines,  and at an  exercise  price
determined  by the  Granting  Authority,  which may be less than the fair market
value of the  Common  Stock at the  date of  grant  of the  option.  ISOs may be
granted  only to  employees  and are subject to  additional  restrictions  as to
exercise  period and exercise price as required by the Internal  Revenue Code of
1986, as amended (the "Code"). Payment of the exercise price of an option may be
made in such manner as the  Granting  Authority  may  provide,  including  cash,
delivery of shares of Common  Stock  already  owned or subject to an award under
the Plan,  "cashless  exercise" (an  arrangement  with a brokerage  firm whereby
shares  issuable  upon exercise of an option would be sold by the broker and the
proceeds used to pay the exercise  price),  or in any other manner  specified by
the Granting  Authority.  Under this  provision,  the Granting  Authority  could
permit payment to be made by way of successive, automatic applications of shares
received upon exercise of a portion of the option to satisfy the exercise  price
for additional portions of the option, a payment method known as "pyramiding".


<PAGE>

     The Granting  Authority is authorized  to specify the period,  if any, over
which options  become  exercisable,  and to  accelerate  the  exercisability  of
options  on a case by case basis at any time.  The  Granting  Authority  is also
authorized to specify the period during which options may be exercised following
an option holder's  termination of service with the Company,  and to extend such
period on a case by case basis.  The Granting  Authority may permit an option to
be exercised for an additional  period after the option holder's death,  even if
such period extends beyond the original option term.  Unless otherwise  provided
by the Granting Authority, options will not be transferable except by will or by
the laws of descent and distribution.

     2.  Stock Appreciation  Rights. Upon exercise of a SAR the award holder is
entitled to receive,  for each share with respect to which the SAR is exercised,
an amount (the "appreciation") equal to the excess of the fair market value of a
share of Common Stock on the exercise date over the "base amount"  determined by
the Granting Authority.  The appreciation is payable in cash, Common Stock, or a
combination of both, as determined by the Granting Authority.

     The Granting Authority may also grant limited SARs that will be exercisable
only during the 60-day period following a "Change of Control" (as defined below)
of the Company. The Granting Authority may provide that in the event of a Change
of Control,  SARs or limited  SARs may be settled on the basis of the "Change of
Control Price" (as defined below).

     3.  Restricted  Stock.  The  Granting  Authority is  authorized  to award
restricted stock subject to such terms and conditions as the Granting  Authority
may determine in its sole  discretion.  The Granting  Authority has authority to
determine the number of shares of restricted stock to be awarded,  the price, if
any, to be paid by the recipient of the restricted  stock, and the date or dates
on which the restricted  stock will vest. The vesting of restricted stock may be
conditioned  upon the  completion  of a  specified  period of  service  with the
Company,  upon the attainment of specified performance goals, or upon such other
criteria as the Granting  Authority may  determine.  The Plan gives the Granting
Authority  discretion to accelerate the vesting of restricted stock on a case by
case basis at any time.  The Granting  Authority also has authority to determine
whether the award holder will have the right to vote and/or receive dividends on
shares of restricted stock, and whether the certificates for such shares will be
held by the Company or delivered to the award holder bearing legends to restrict
their transfer.

     Stock certificates representing the restricted stock granted under the Plan
will be registered in the award holder's name.  However,  no share of restricted
stock may be sold,  transferred,  assigned or pledged by the award  holder until
such  share has  vested in  accordance  with the terms of the  restricted  stock
award.  In the event of an award  holder's  termination of service before all of
his restricted stock has vested, or in the event other conditions to the vesting
of  restricted  stock  have not been  satisfied  prior to any  deadline  for the
satisfaction of such conditions set forth in the award, the shares of restricted
stock which have not vested will be forfeited and any purchase price paid by the
award  holder  generally  will be  returned  to the  award  holder.  At the time
restricted  stock vests, a certificate  for such vested shares will be delivered
to the award holder (or the beneficiary  designated by the award holder,  in the
event of death), free of all restrictions.

     4.  Deferred Stock.  Deferred stock may be conditioned upon the attainment
of specific  performance goals or such other criteria as the Granting  Authority
may determine.  In making an award of deferred stock the Granting Authority will
determine the periods,  if any, during which the award is subject to forfeiture,
and may provide for the issuance of stock pursuant to the award without  payment
therefor.  Upon  vesting,  the award will be settled in shares of Common  Stock,
cash equal to the fair market value of such stock, or a combination  thereof, as
provided  by the  Granting  Authority.  During  the  deferral  period set by the
Granting Authority,  the award holder may not sell,  transfer,  pledge or assign
the deferred  stock award.  In the event of  termination  of service  before the
expiration of the deferral  period,  the deferred stock award will be forfeited,
except as may be provided by the Granting  Authority.  Deferred stock will carry
no voting rights until such time as the Common Stock is actually issued.

     5.  Bonus Stock.  The Granting  Authority may award bonus stock subject to
such terms and  conditions as it may  determine.  Such awards may be conditioned
upon  attainment  of specific  performance  goals or such other  criteria as the
Granting  Authority  may  determine,  and the Granting  Authority may waive such
conditions in its discretion. Bonus stock may be issued without payment therefor
or may be sold at a discount from its fair market value.

     6.  Loans. The Granting  Authority may provide that the Company will make,
or arrange for, a loan with respect to the exercise of any stock option  granted
under the Plan,  with respect to the payment of the purchase  price,  if any, of
any  restricted  stock awarded under the Plan,  and/or with respect to any taxes
arising  from an award under the Plan,  provided  that the Company will not loan
more than the sum of (i) the  excess of the  purchase  or  exercise  price of an
award  over the par value of any  shares  awarded,  plus (ii) the  amount of any
taxes arising from such award.  The Granting  Authority will determine the terms
of any such loan.
<PAGE>

     7.  Tax-Offset  Payments.  The Granting Authority is authorized to provide
for a tax-offset  payment by the Company to an award holder not in excess of the
amount necessary to pay the federal,  state, local, and other taxes payable with
respect to any award and the receipt of the  tax-offset  payment,  assuming  the
award holder is taxed at the maximum tax rate applicable to such income.  Due to
variations in the actual tax rates  applicable to award holders,  the benefit of
the  tax-offset  payment may not  correspond  to the actual tax liability of the
award holder. Tax-offset payments are payable in cash.

     8.  Performance  Awards.  The Plan  Committee  can  designate any awards to
employees  under the Plan as  "Performance  Awards",  and the Plan provides that
awards so  designated  are to be granted  and  administered  so as to qualify as
"performance-based  compensation" under Section 162(m) of the Code. The grant or
vesting of a Performance Award will be subject to the achievement of performance
objectives  (the  "Performance  Objectives")  established  by the Plan Committee
based on one or more of the  following  criteria,  which the Plan  Committee may
apply to the Company on a  consolidated  basis  and/or to a business  unit,  and
which the Plan  Committee may use either as an absolute  measure or as a measure
of  comparative  performance  relative  to a peer  group  of  companies:  sales,
operating  profits,  operating  profits before interest  expense and taxes,  net
earnings,  earnings  per share,  return on equity,  return on assets,  return on
invested  capital,  total shareholder  return,  cash flow, debt to equity ratio,
market share, stock price, economic value added, and market value added.

     The  Performance  Objectives  for a  particular  Performance  Award must be
established  by the Plan  Committee  in  writing no later than 90 days after the
beginning of the Company's  fiscal year to which it relates.  The Plan Committee
has authority to determine  whether the  Performance  Objectives and other terms
and conditions of the award are satisfied, but has discretion to modify or waive
the  Performance  Objectives  or  conditions  to  the  grant  or  vesting  of  a
Performance  Award only to the extent that the exercise of such discretion would
not  cause  the  Performance  Award  to fail to  qualify  as  "performance-based
compensation" within the meaning of Section 162(m) of the Code.

     9.  Deferral of Awards.  The Granting Authority may permit an award holder
to defer receipt of any award for a specified period or until a specified event.

Automatic Awards to Outside Directors

     The Plan provides for the automatic grant of stock options and stock grants
to Outside  Directors  on the  following  terms.  Each person who was an Outside
Director on July 27, 1995, (the date the automatic grant provisions with respect
to Outside  Directors  were adopted by the Board) was granted on that date,  and
each person who becomes an Outside  Director  after such date will be granted on
the date of his or her initial  election (or the first trading day  thereafter),
an option to purchase  the number of whole  shares of Common  Stock  obtained by
dividing  $5,000 by the closing  price of the Common Stock on the date of grant.
On the first  trading day of each  calendar  quarter  beginning  with October 1,
1995,  each Outside  Director then serving on the Board of Directors and who has
served for all or a portion of the previous  calendar quarter will be granted an
option to  purchase  the  number of whole  shares of Common  Stock  obtained  by
dividing  $5,000 by the closing  price of the Common Stock on the date of grant.
All options  granted  prior to  shareholder  approval  of the Plan were  granted
subject to such approval.  Outside  Directors also may be granted  discretionary
awards by the Board of Directors.

     The option price of all options  automatically granted to Outside Directors
will be equal to the closing  sales price of a share of Common Stock on the date
of option  grant,  and may be paid using cash or Common Stock owned for at least
six months,  or a combination  thereof,  in the discretion of the option holder.
Each option has a ten-year term, and vests with respect to 10% of the underlying
shares three months after the date of grant, and an additional 10% at the end of
each three-month period  thereafter,  assuming continued service on the Board of
Directors.  The minimum  number of shares with respect to which an option may be
exercised  at any time is the  lesser  of 100  shares  or the  number  of shares
subject to the option.  Following an Outside Director's  termination of service,
the options which have previously become exercisable will remain exercisable for
five years after such termination, but not beyond their 10-year term.

     An option  shall only be  exercisable  by the  option  holder or his or her
guardian or legal  representative.  No holder of an option shall have any of the
rights of a shareholder.

     Each  automatic  option to Outside  Directors  is granted in tandem  with a
limited SAR which may be  exercised  only within the 60-day  period  following a
Change of Control.  Upon exercise of the limited SAR, the  appreciation  will be
paid in cash based on the Change of Control Price.

     On the first trading day of each calendar quarter  beginning with the first
calendar  quarter  after the date of  shareholder  approval  of the  Plan,  each
Outside  Director  then serving on the Board of Directors and who has served for
all or a portion of the previous calendar quarter will be automatically  granted
the number of whole  shares of Common Stock  obtained by dividing  $2,000 by the
closing  price of the Common  Stock on the date of grant.  No cash is payable by
<PAGE>

the Outside  Director  for such  shares.  Such  shares will be fully  vested and
non-forfeitable at the time of grant.

Provisions Relating to a Change of Control

     As a general  matter,  upon the  occurrence  of a Change of Control (1) all
outstanding  stock  options,  SARs,  and limited SARs,  including  those held by
Outside   Directors,   will  become  fully  exercisable  and  vested,   (2)  all
restrictions and deferral limitations applicable to outstanding restricted stock
and deferred stock awards under the Plan will lapse,  and such shares and awards
will be deemed fully vested, and (3) to the extent the cash payment of any award
is based on the fair market  value of stock,  such fair market value will be the
Change of Control Price.

     A "Change  of  Control"  is  deemed to occur on the date (1) any  person or
group acquires  beneficial  ownership of securities  representing 25% or more of
the Company's total voting power (with certain exceptions),  (2) individuals who
constitute  the "Current  Directors" (as defined in the Plan) fail to constitute
at least two-thirds of the Board of Directors,  (3) the  shareholders  approve a
merger or  consolidation  unless  following such  transaction (a) the beneficial
owners of the  Company's  Common Stock  before the  transaction  own  securities
representing  more than 50% of the total voting  power of the company  resulting
from the  transaction,  and (b) at least a  majority  of members of the board of
directors  of the company  resulting  from the  transaction  were members of the
Company's Board of Directors at the time such Board approved the transaction, or
(4) the shareholders of the Company approve a sale of  substantially  all of its
assets.

     The  "Change of  Control  Price" is the  highest  price per share of Common
Stock paid in any open market transaction,  or paid or offered to be paid in any
transaction  related to a Change of Control during the 90-day period ending with
the Change of Control, except that for a SAR granted in tandem with an ISO, such
price is the highest price paid on the date the SAR is exercised.

Other Provisions

     Tax Withholding.  The Plan permits employees to satisfy all or a portion of
their federal,  state, local or other tax liability with respect to awards under
the Plan by delivering previously-owned shares or by having the Company withhold
from the shares  otherwise  deliverable  to such employee  shares having a value
equal to the tax liability to be so satisfied.

     Adjustments.  In the event of specified  changes in the  Company's  capital
structure,  the Plan Committee will have the power to adjust the number and kind
of shares  authorized  by the Plan  (including  any  limitations  on  individual
awards),  the  number of stock  options to be  automatically  granted to Outside
Directors,  and the  number,  option  price  and  kinds  of  shares  covered  by
outstanding awards (including those held by Outside Directors), and to make such
other  adjustments  in awards under the Plan as it deems  appropriate,  provided
that no such adjustment may increase the aggregate value of outstanding awards.

     Amendments.  The Board of Directors may amend the Plan without  shareholder
approval,   unless  such  approval  is  required  by  law  or  other  regulatory
requirements.  Amendment or  discontinuation of the Plan cannot adversely affect
any award previously granted without the award holder's written consent.

     The  Granting  Authority  may  amend any grant  under the Plan  within  its
jurisdiction  (including  both  discretionary  and  automatic  grants to Outside
Directors) to include any provision  which,  at the time of such  amendment,  is
authorized under the terms of the Plan,  except that no award can be modified in
a manner  unfavorable  to the award  holder  without the written  consent of the
award holder.  In addition,  the Granting  Authority  may,  without  shareholder
approval, cancel an option or other award granted under the Plan and grant a new
option or award to the award  holder at a lower  exercise  price or otherwise on
more favorable  terms and  conditions  than the canceled  award.  The Plan shall
continue in effect for an unlimited  period,  but may be terminated by the Board
of Directors in its  discretion  at any time.  No ISOs may be granted  under the
Plan after April 9, 2006.

Certain Federal Income Tax Consequences

     The following is a summary of certain  federal income tax aspects of awards
made under the Plan, based upon the laws in effect on the date hereof.

     Non-Qualified  Stock Options.  With respect to non-qualified stock options:
(a) no  income  is  recognized  by the  participant  at the time the  option  is
granted;  (b) upon exercise of the option, the participant  recognizes  ordinary
income in an amount  equal to the  difference  between the option  price and the
fair market value of the shares on the date of exercise; and (c) at disposition,
any  appreciation  after the date of exercise is treated  either as long-term or
short-term capital gain, depending on whether the shares were held for more than
one year by the participant.

<PAGE>

     Incentive Stock Options.  Generally, no taxable income is recognized by the
participant  upon the grant of an ISO or upon the  exercise of an ISO during the
period of his or her employment  with the Company or one of its  subsidiaries or
within three months (12 months,  in the event of permanent and total disability,
or the term of the option,  in the event of death) after  termination.  However,
the exercise of an ISO may result in an alternative minimum tax liability to the
participant.  If the  participant  continues  to hold the shares  acquired  upon
exercise  of an ISO for at least two  years  from the date of grant and one year
from the date of exercise,  upon the sale of the shares,  any amount realized in
excess of the option price will be taxed as long-term capital gain.

     If Common Stock  acquired  upon the exercise of an ISO is disposed of prior
to the expiration of the one-year and two-year holding periods  described above,
the participant will generally  recognize  ordinary income in an amount equal to
the  excess,  if any,  of the fair  market  value of the  shares  on the date of
exercise (or, if less,  the amount  realized on the  disposition  of the shares)
over the option price.  Any further gain  recognized by the  participant on such
disposition will be taxed as short-term or long-term capital gain,  depending on
whether the shares were held for more than one year.

     Stock Appreciation Rights. No income will be recognized by a participant in
connection  with the grant of a SAR. When the SAR is exercised,  the participant
will  generally  recognize as ordinary  income in the year of exercise an amount
equal to the amount of cash  received  plus the fair market value on the date of
exercise of any shares received.  If the participant  receives Common Stock upon
exercise of an SAR, rules similar to those described above under  "Non-Qualified
Stock Options" will apply with respect to the post-exercise appreciation.

     Restricted Stock. A participant  receiving  restricted stock generally will
recognize  ordinary  income  in the  amount  of the  fair  market  value  of the
restricted stock at the time the stock vests,  less the  consideration  paid for
the restricted stock.  However,  a participant may elect, under Section 83(b) of
the Code, to recognize  ordinary  income on the date of grant in an amount equal
to the excess of the fair  market  value of the shares on such date  (determined
without  regard to the  restrictions)  over their  purchase  price.  The holding
period to determine whether the participant has long-term or short-term  capital
gain on a  subsequent  disposition  of the  shares  generally  begins  when  the
restriction period expires,  and the tax basis for such shares will generally be
the fair market value of such shares on such date.  However,  if the participant
has made an election  under Section  83(b),  the holding period will commence on
the day  after the date of  grant,  and the tax basis  will be equal to the fair
market value of the shares on the date of grant  (determined  without  regard to
the restrictions).

     Deferred  Stock.  A participant  receiving  deferred  stock  generally will
recognize  ordinary income equal to the amount of cash received in settlement of
the award or the fair market value of the  deferred  stock on the date that such
stock is distributed to the participant, and the capital gain holding period for
such stock will also commence on that date.

     Dividends and Dividend  Equivalents.  Dividends  paid on  restricted  stock
prior to the date on which the forfeiture  restrictions  lapse generally will be
treated as compensation  that is taxable as ordinary income to the  participant.
If, however,  the participant makes a Section 83(b) election with respect to the
restricted  stock, the dividends will be taxable as ordinary  dividend income to
the participant.  If dividend  equivalents are credited with respect to deferred
stock or other awards, the participant  generally will recognize ordinary income
when the dividend equivalents are paid.

     Bonus Stock and Director Stock Grants. A participant  receiving bonus stock
or a stock grant  generally will recognize  ordinary income on the date of grant
equal to the fair market value of such stock on such date.

     Tax-Offset  Payments.  A  participant  receiving a tax-offset  payment will
recognize ordinary income on the date of payment.

     Company  Deductions.  As a general rule,  the Company will be entitled to a
deduction  for  federal  income  tax  purposes  at the same time and in the same
amount that an  employee or Outside  Director  recognizes  ordinary  income from
awards  under the Plan,  to the  extent  such  income is  considered  reasonable
compensation  under the Code.  The Company will not,  however,  be entitled to a
deduction  to the  extent  compensation  in excess of $1  million  is paid to an
executive  officer named in a proxy statement of the Company who was employed by
the   Company   at   year-end,    unless   the    compensation    qualifies   as
"performance-based" under Section 162(m) of the Code or certain other exceptions
apply. In addition, the Company will not be entitled to a deduction with respect
to payments to employees  which are contingent  upon a change of control if such
payments are deemed to constitute "excess parachute payments" under Section 280G
of the Code and do not  qualify  as  reasonable  compensation  pursuant  to that
Section; such payments will subject the recipients to a 20% excise tax.

<PAGE>

Benefits Under the Plan

     The following  table sets forth the number of stock options  granted to the
indicated  officers and employee and director  groups under the Plan during 1995
and 1996  contingent  on  shareholder  approval of the Plan.  The table does not
reflect  future awards which might be granted under the Plan. The size of future
awards  and the  identity  of  employee  recipients  of such  awards  cannot  be
determined at this time.


                                New Plan Benefits
                            1996 Stock Incentive Plan

            Name and Position                 Number of Stock Options
     --------------------------------    --------------------------------
     Non-Executive Director Group                     23,861

     (5 persons)

Additional Information

     The last sale price of Common Stock on the NASDAQ National Market System on
September 4, 1996 was $6.50 per share.

     The Company's Board of Directors  recommends that  shareholders  vote "FOR"
approval of the 1996 Stock  Incentive  Plan.  Approval of the Plan requires that
the number of votes cast in favor of  approval  of the Plan exceed the number of
votes cast against such approval. Abstentions and broker "non-votes" (shares not
voted because a nominee holding shares for a beneficial  owner neither  receives
voting instructions from the beneficial owner nor has discretionary voting power
with respect thereto) will have no effect on the vote.

           RATIFICATION OF INDEPENDENT PUBLIC ACCOUNTANTS' APPOINTMENT

     Arthur  Andersen,  LLP has been the  independent  auditors of the Company's
accounts  since 1983.  Such firm has no  financial  interest,  either  direct or
indirect, in the Company.  Selection of Arthur Andersen, LLP as the auditors for
the calendar year ending  December 31, 1996,  was made by the Board of Directors
subject to shareholder  approval.  A representative  of Arthur Andersen,  LLP is
expected  to attend the  meeting  and have an  opportunity  to make a  statement
and/or respond to appropriate questions from shareholders.

     The Company's Board of Directors  recommends that  shareholders  vote "FOR"
ratification  of the  appointment  of  Arthur  Andersen,  LLP  as the  Company's
independent  public  accountants for 1996.  Approval of the  ratification of the
independent public  accountants'  appointment  requires that the number of votes
cast  in  favor  of  approval  of the  ratification  of the  independent  public
accountants'  appointment exceed the number of votes cast against such approval.
Abstentions and broker  "non-votes"  (shares not voted because a nominee holding
shares for a beneficial  owner neither  receives  voting  instructions  from the
beneficial owner nor has  discretionary  voting power with respect thereto) will
have no effect on the vote.

                              SHAREHOLDER PROPOSALS

     In  accordance  with  regulations  issued by the  Securities  and  Exchange
Commission,  shareholder  proposals intended for presentation at the 1997 Annual
Meeting of  Shareholders  must be  received by the  Secretary  of the Company no
later than May 27, 1997 if such  proposals are to be considered for inclusion in
the Company's Proxy Statement related to the 1997 Annual Meeting.

                              COSTS OF SOLICITATION

     The costs of soliciting  proxies will be borne by the Company.  The Company
will  also  reimburse  brokerage  firms  and  other  custodians,   nominees  and
fiduciaries,  if any, for reasonable  out-of-pocket expenses incurred by them in
connection with forwarding solicitation materials to beneficial owners of Common
Stock  held of record  by such  persons.  Solicitation  by the  Company  will be
primarily by mail.


<PAGE>

                   AVAILABILITY OF ANNUAL REPORT ON FORM 10-K

     Upon the written  request of a  shareholder  of the  Company,  addressed to
Richard A. Sandberg, Chairman of the Board, at 200 Watson Boulevard,  Stratford,
Connecticut 06497, the Company will provide without charge to such shareholder a
copy of the  Company's  Annual  Report on Form 10-K for its calendar  year ended
December  31,  1995,   including  all  statements  and  schedules  (but  without
exhibits), filed with the Securities and Exchange Commission.

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

     The  information  under  the  headings  "Compensation   Committee  Report",
"Compensation  Program  Components",  "Discussion of 1995  Compensation  for the
Chairman and Chief Executive Officer" and "Performance Graph" above shall not be
deemed to be  "soliciting  material"  or to be "filed" with the  Securities  and
Exchange  Commission or subject to Regulation 14A or 14C, other than as provided
in Item 402 of  Regulation  S-K,  or to the  liabilities  of  Section  18 of the
Securities  Exchange Act of 1934, as amended,  and, unless specific reference is
made therein to such headings,  shall not be  incorporated by reference into any
filing under the Securities Act of 1933, as amended,  or the Securities Exchange
Act of 1934, as amended.


<PAGE>

                                                                      Appendix A
                              DIANON SYSTEMS, INC.
                            1996 STOCK INCENTIVE PLAN


SECTION 1.  Purposes

     The purposes of the Dianon  Systems,  Inc. 1996 Stock  Incentive  Plan (the
"Plan") are (i) to enable Dianon  Systems,  Inc. (the "Company") and its Related
Companies  (as  defined  below) to  attract,  retain  and reward  employees  and
strengthen  the existing  mutuality of interests  between such employees and the
Company's  stockholders  by offering  such  employees an equity  interest in the
Company,  and (ii) to enable the Company to pay part of the  compensation of its
Outside  Directors  (as  defined  in  Section  5.2) in the form of equity of the
Company,  thereby  increasing  such  directors'  proprietary  interests  in  the
Company.  For purposes of the Plan, a "Related  Company" means any  corporation,
partnership,  joint venture or other entity in which the Company owns,  directly
or indirectly, at least a 20% beneficial ownership interest.

SECTION 2.  Types of Awards

      2.1   Awards under the Plan may be in the form of (i) Stock Options;  (ii)
Stock  Appreciation  Rights;  (iii) Restricted  Stock;  (iv) Deferred Stock; (v)
Bonus Stock; (vi) Loans; and/or (vii) Tax Offset Payments.  One or more types of
awards may be granted,  which may be  independent  or granted in tandem.  If two
awards are  granted in tandem,  the award  holder  may  exercise  (or  otherwise
receive the benefit of) one award only to the extent he or she  relinquishes the
tandem award.

     2.2    Outside  Directors  shall  receive  Stock  Options,  Limited  Stock
Appreciation  Rights and Stock  Grants as provided  in Section 15. In  addition,
Outside Directors may be granted awards in one or more of the forms set forth in
Section 2.1.

SECTION 3.  Administration

     3.1    The Plan shall be administered (i) by the Compensation  Committee of
the  Company's  Board of  Directors  (the  "Board") or such other  committee  of
directors as the Board shall designate (the "Committee"), with respect to awards
to persons other than Outside  Directors,  and (ii) by the Board with respect to
awards to Outside  Directors  (except as provided in Section 4.4). The Committee
shall  consist  of not  less  than  two  directors  each of  whom is an  Outside
Director. The members of the Committee shall serve at the pleasure of the Board.

     3.2    For purposes of this Plan the term "Granting  Authority"  shall mean
(i) the Board of Directors with respect to awards to Outside  Directors  (except
as provided in Section 4.4),  and (ii) the  Committee  with respect to all other
awards. The Granting  Authority shall have the following  authority with respect
to awards  under the Plan  within  its  jurisdiction:  to grant  such  awards to
persons eligible to receive them under the Plan; to adopt, alter and repeal such
administrative  rules,  guidelines and practices  governing the Plan as it shall
deem advisable;  to interpret the terms and provisions of the Plan and any award
granted by it under the Plan; and to otherwise  supervise the  administration of
the Plan. In  particular,  and without  limiting its  authority and powers,  the
Granting  Authority  shall have the authority  with respect to the awards within
its jurisdiction:

     (a)    to determine  whether and to what extent any award or combination of
            awards will be granted hereunder,  including whether any awards will
            be granted in tandem with each other;

     (b)    to select the eligible persons to whom awards will be granted;

     (c)    to determine the number of shares of the common stock of the Company
            (the "Stock") to be covered by each award granted  hereunder subject
            to the limitations contained herein;

     (d)    to  determine  the  terms  and   conditions  of  any  award  granted
            hereunder,  including,  but not  limited  to,  any  vesting or other
            restrictions based on such performance  objectives (the "Performance
            Objectives")  and such other  factors as the Granting  Authority may
            establish,  and to determine whether the Performance  Objectives and
            other terms and conditions of the award are satisfied;

     (e)    to  determine  the  treatment  of  awards  upon  an  award  holder's
            retirement,  disability,  death,  termination  for  cause  or  other
            termination  of  employment  or service  with the Company or Related
            Company;

     (f)    to  determine  pursuant  to a formula or  otherwise  the fair market
            value of the Stock on a given date; provided,  however,  that if the
            Granting  Authority fails to make such a determination,  fair market
            value of the Stock on a given date shall be the  closing  sale price
            on a given  date,  or if no such sale of Stock  occurs on such date,
            the  weighted  average of the  closing  sale  prices on the  nearest
            trading dates before and after such date;

     (g)    to  determine  that  amounts  equal to the  amount of any  dividends
            declared  with  respect to the number of shares  covered by an award
            (i)  will be paid to the  award  holder  currently  or (ii)  will be
            deferred  and deemed to be  reinvested  or (iii) will  otherwise  be
            credited to the award holder, or that the award holder has no rights
            with respect to such dividends;

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

     (i)    to provide that the shares of Stock received as a result of an award
            shall be subject to a right of first refusal,  pursuant to which the
            award  holder  shall be  required to offer to the Company any shares
            that the award  holder  wishes to sell,  subject  to such  terms and
            conditions as the Granting Authority may specify;

     (j)    to amend the  terms of any  award  (including  those  granted  under
            Section 15), prospectively or retroactively; provided, however, that
            no amendment shall impair the rights of the award holder without his
            or her written consent; and

     (k)    to  substitute  new  Stock  Options  for  previously  granted  Stock
            Options, or for options granted under other plans or agreements,  in
            each case including  previously granted options having higher option
            prices.

     3.3    The  Committee  shall  have  the  right  to  designate   awards  as
"Performance  Awards." Awards so designated shall be granted and administered in
a manner designed to preserve the  deductibility of the  compensation  resulting
from such awards in accordance with Section 162(m) of the Internal  Revenue Code
(the "Code").  The grant or vesting of a  Performance  Award shall be subject to
the achievement of Performance  Objectives established by the Committee based on
one or more of the following criteria,  in each case applied to the Company on a
consolidated  basis and/or to a business unit and which the Committee may use as
an absolute measure, as a measure of improvement  relative to prior performance,
or as a measure of comparable performance relative to a peer group of companies:
sales,  operating profits,  operating profits before interest expense and taxes,
net earnings,  earnings per share, return on equity, return on assets, return on
invested  capital,  total shareholder  return,  cash flow, debt to equity ratio,
market share, stock price, economic value added, and market value added.

     The Performance Objectives for a particular Performance Award relative to a
particular fiscal year shall be established by the Committee in writing no later
than 90 days after the beginning of such year. The Committee's  determination as
to the  achievement of Performance  Objectives  relating to a Performance  Award
shall be made in writing.  The  Committee  shall have  discretion  to modify the
Performance  Objectives or vesting conditions of a Performance Award only to the
extent that the  exercise  of such  discretion  would not cause the  Performance
Award to fail to qualify as "performance-based  compensation" within the meaning
of Section 162(m) of the Code.

     3.4    All  determinations  made by the Granting  Authority  pursuant to
the provisions of the Plan shall be final and binding on all persons,  including
the Company and Plan participants.

     3.5    The Committee may from time to time delegate to one or more officers
of the  Company  any or all of its  authorities  granted  hereunder  except with
respect to awards  granted to  persons  subject to Section 16 of the  Securities
Exchange Act of 1934 or  Performance  Awards.  The  Committee  shall specify the
maximum  number of shares that the officer or officers to whom such authority is
delegated may award.

SECTION 4.  Stock Subject to Plan

      4.1   The total number of shares of Stock which may be issued under the
Plan shall be 700,000,  of which  630,000  shall be used for awards to employees
and  70,000  shall be used for  awards to  Outside  Directors  (all  subject  to
adjustment  as  provided  below).  Such  shares may  consist of  authorized  but
unissued shares or treasury shares.  The exercise of a Stock  Appreciation Right
for cash or the payment of any other award in cash shall not count  against this
share limit.

     4.2    To  the  extent  a  Stock  Option  terminates  without  having  been
exercised,  or an award  terminates  without the award  holder  having  received
payment of the award,  or shares  awarded are  forfeited,  the shares subject to
such award shall again be available for  distribution  in connection with future
awards under the Plan. Shares of Stock equal in number to the shares surrendered
in payment of the option price,  and shares of Stock which are withheld in order
to satisfy  federal,  state or local tax liability,  shall not count against the
above limit, and shall again be available for grants under the Plan.

      4.3   No  employee  shall be granted  Stock  Options,  Stock  Appreciation
Rights, Restricted Stock, Deferred Stock, and/or Bonus Stock, or any combination
of the foregoing with respect to more than 300,000 shares of Stock in any fiscal
year (subject to  adjustment  as provided in Section 4.4). No employee  shall be
granted a Tax Offset  Payment in any fiscal  year with  respect to more than the
number of shares of Stock  covered by awards  granted to such  employee  in such
fiscal year.

      4.4   In the event of any merger, reorganization, consolidation, sale of
substantially  all  assets,  recapitalization,   Stock  dividend,  Stock  split,
spin-off,  split-up,  split-off,  distribution  of  assets  or other  change  in
corporate structure affecting the Stock, a substitution or adjustment, as may be
determined to be appropriate by the Committee in its sole  discretion,  shall be
made in the aggregate number of shares reserved for issuance under the Plan, the
number of shares as to which  awards  may be granted  to any  individual  in any
calendar year,  the number and type of shares subject to outstanding  awards and
the amounts to be paid by award holders or the Company, as the case may be, with
respect to outstanding awards; provided,  however, that no such adjustment shall
increase the aggregate value of any  outstanding  award. In the event any change
described  in this  Section 4.4 occurs,  the  Committee  shall make  appropriate
adjustment  in the  awards  previously  granted  and to be  granted  to  Outside
Directors under the Plan;  provided that no such  adjustment  shall increase the
aggregate value of any outstanding award.

SECTION 5.  Eligibility

      5.1   Employees of the Company or a Related Company,  including  employees
who are officers  and/or  directors  of the Company,  are eligible to be granted
awards under the Plan,  other than under Section 15. Employees shall be selected
for  participation  in the Plan from time to time by the Committee,  in its sole
discretion, from among those eligible.

      5.2   Awards under  Section 15 of the Plan shall be made solely to Outside
Directors,  which term shall mean any director of the Company other than one who
is an  employee  of  the  Company  or a  Related  Company.  The  Board,  in  its
discretion,  may also grant  other  awards  under the Plan in one or more of the
forms set forth in Section 2.1 to one or more Outside Directors.

SECTION 6.  Stock Options

      6.1   The Stock Options  awarded  under the Plan may be of two types:  (i)
Incentive  Stock  Options  within the  meaning of Section 422 of the Code or any
successor  provision thereto (which may only be granted to employees);  and (ii)
Non-Qualified  Stock  Options.  To the  extent  that any Stock  Option  does not
qualify as an Incentive Stock Option, it shall constitute a Non-Qualified  Stock
Option.

      6.2   Subject to the following provisions, Stock Options awarded under the
Plan  shall be in such form and  shall  have such  terms and  conditions  as the
Granting Authority may determine:

     (a)    Option Price. The option price per share of Stock  purchasable under
            a Stock Option shall be  determined by the Granting  Authority,  and
            may be less than the fair  market  value of the Stock on the date of
            the award of the Stock Option.

     (b)    Option  Term.  The term of each Stock  Option  shall be fixed by the
            Granting Authority.

     (c)    Exercisability.  Stock Options shall be  exercisable at such time or
            times  and  subject  to  such  terms  and  conditions  as  shall  be
            determined  by the Granting  Authority.  The Granting  Authority may
            waive such exercise  provisions or accelerate the  exercisability of
            the Stock Option at any time in whole or in part.

     (d)    Method of  Exercise.  Stock  Options may be exercised in whole or in
            part at any time during the option period by giving  written  notice
            of  exercise to the  Company  specifying  the number of shares to be
            purchased,  accompanied by payment of the purchase price. Payment of
            the  purchase  price  shall be made in such  manner as the  Granting
            Authority  may  provide  in  the  award,   which  may  include  cash
            (including  cash  equivalents),  delivery of shares of Stock already
            owned by the  optionee  or  subject to awards  hereunder,  "cashless
            exercise",  any other  manner  permitted  by law  determined  by the
            Granting  Authority,  or any  combination of the  foregoing.  If the
            Granting  Authority  determines that a Stock Option may be exercised
            using shares of Restricted Stock, then unless the Granting Authority
            provides otherwise, the shares received upon the exercise of a Stock
            Option which are paid for using Restricted Stock shall be restricted
            in accordance with the original terms of the Restricted Stock award.

     (e)    No  Stockholder  Rights.  An optionee  shall have neither  rights to
            dividends  or other rights of a  stockholder  with respect to shares
            subject  to a Stock  Option  until the  optionee  has given  written
            notice of exercise and has paid for such shares.

     (f)    Surrender  Rights.  The Granting  Authority may provide that options
            may be surrendered for cash upon any terms and conditions set by the
            Granting Authority.

     (g)    Non-transferability.  Unless  otherwise  provided  by  the  Granting
            Authority,  (i)  Stock  Options  shall  not be  transferable  by the
            optionee  other  than  by  will  or  by  the  laws  of  descent  and
            distribution,  and (ii) during the  optionee's  lifetime,  all Stock
            Options shall be  exercisable  only by the optionee or by his or her
            guardian or legal representative.

     (h)    Termination of Service.  Following the  termination of an optionee's
            service  with the  Company or a Related  Company,  the Stock  Option
            shall  be  exercisable  to the  extent  determined  by the  Granting
            Authority.    The   Granting   Authority   may   provide   different
            post-termination  exercise provisions with respect to termination of
            service for different  reasons.  The Granting  Authority may provide
            that,  notwithstanding  the option  term fixed  pursuant  to Section
            6.2(b),  a Stock  Option  which  is  outstanding  on the  date of an
            optionee's death shall remain  outstanding for an additional  period
            after the date of such death.

      6.3   Notwithstanding  the  provisions of Section 6.2, no Incentive  Stock
Option shall (i) have an option price which is less than 100% of the fair market
value of the Stock on the date of the award of the Incentive Stock Option,  (ii)
be exercisable more than ten years after the date such Incentive Stock Option is
awarded, or (iii) be awarded more than ten years after the effective date of the
Plan  specified in Section 19. No Incentive  Stock Option granted to an employee
who owns more than 10% of the total  combined  voting  power of all  classes  of
stock of the Company or any of its parent or subsidiary corporations, as defined
in Section  424 of the Code,  shall (A) have an option  price which is less than
110% of the fair market value of the Stock on the date of award of the Incentive
Stock  Option or (B) be  exercisable  more than five  years  after the date such
Incentive Stock Option is awarded.

SECTION 7.  Stock Appreciation Rights 

     7.1    A Stock  Appreciation  Right  shall  entitle  the holder  thereof to
receive payment of an amount, in cash, shares of Stock or a combination thereof,
as  determined  by the Granting  Authority,  equal in value to the excess of the
fair  market  value of the  number  of  shares of Stock as to which the award is
granted  on the  date of  exercise  over an  amount  specified  by the  Granting
Authority.  Any such  award  shall be in such form and shall have such terms and
conditions as the Granting Authority may determine.  The grant shall specify the
number of shares of Stock as to which the Stock Appreciation Right is granted.

     7.2    The Granting  Authority may provide that a Stock  Appreciation Right
may be exercised only within the 60-day period following  occurrence of a Change
of Control (as defined in Section  17.2)  (such Stock  Appreciation  Right being
referred  to  herein  as a  Limited  Stock  Appreciation  Right).  The  Granting
Authority  may also  provide that in the event of a Change of Control the amount
to be paid upon  exercise  of a Stock  Appreciation  Right shall be based on the
Change of Control Price (as defined in Section 17.3).

SECTION 8.  Restricted Stock

     Subject to the following  provisions,  all awards of Restricted Stock shall
be in such  form and shall  have  such  terms  and  conditions  as the  Granting
Authority may determine:

     (a)    The  Restricted  Stock award  shall  specify the number of shares of
            Restricted Stock to be awarded, the price, if any, to be paid by the
            recipient of the Restricted Stock and the date or dates on which, or
            the conditions upon the  satisfaction of which, the Restricted Stock
            will vest.  The grant and/or the vesting of Restricted  Stock may be
            conditioned  upon the  completion  of a specified  period of service
            with the  Company  or a  Related  Company,  upon the  attainment  of
            specified Performance  Objectives or upon such other criteria as the
            Granting Authority may determine.

     (b)    Stock  certificates  representing the Restricted Stock awarded under
            the Plan shall be registered  in the award  holder's  name,  but the
            Granting  Authority may direct that such certificates be held by the
            Company on behalf of the award holder. Except as may be permitted by
            the Granting  Authority,  no share of Restricted  Stock may be sold,
            transferred,  assigned, pledged or otherwise encumbered by the award
            holder until such share has vested in  accordance  with the terms of
            the Restricted  Stock award. At the time  Restricted  Stock vests, a
            certificate  for such vested  shares shall be delivered to the award
            holder (or his or her designated beneficiary in the event of death),
            free of all restrictions.

     (c)    The Granting  Authority may provide that the award holder shall have
            the right to vote or receive dividends on Restricted  Stock.  Unless
            the  Granting  Authority  provides  otherwise,  Stock  received as a
            dividend  on, or in  connection  with a stock  split of,  Restricted
            Stock shall be subject to the same  restrictions  as the  Restricted
            Stock.

     (d)    Except as may be provided by the Granting Authority, in the event of
            an award  holder's  termination  of service before all of his or her
            Restricted  Stock has vested,  or in the event any conditions to the
            vesting of  Restricted  Stock have not been  satisfied  prior to any
            deadline for the  satisfaction  of such  conditions set forth in the
            award, the shares of Restricted Stock which have not vested shall be
            forfeited,  and the  Granting  Authority  may  provide  that (i) any
            purchase  price paid by the award  holder  shall be  returned to the
            award holder or (ii) a cash payment equal to the Restricted  Stock's
            fair market value on the date of forfeiture, if lower, shall be paid
            to the award holder.

     (e)    The Granting Authority may waive, in whole or in part, any or all of
            the conditions to receipt of, or  restrictions  with respect to, any
            or  all  of  the  award  holder's   Restricted  Stock,   other  than
            Performance Awards whose vesting was made subject to satisfaction of
            one or more  Performance  Objectives  (except that the Committee may
            waive conditions or restrictions with respect to Performance  Awards
            if such  waiver  would not cause  the  Performance  Award to fail to
            qualify as  "performance-based  compensation"  within the meaning of
            Section 162(m) of the Code).

SECTION 9.  Deferred Stock Awards

     Subject to the following provisions,  all awards of Deferred Stock shall be
in such form and shall have such terms and conditions as the Granting  Authority
may determine:

     (a)    The  Deferred  Stock  award  shall  specify  the number of shares of
            Deferred  Stock to be awarded  and the  duration  of the period (the
            "Deferral  Period")  during which,  and the conditions  under which,
            receipt of the Stock will be deferred.  The Granting  Authority  may
            condition  the grant or vesting  of  Deferred  Stock,  or receipt of
            Stock or cash at the end of the Deferral Period, upon the attainment
            of specified  Performance  Objectives or such other  criteria as the
            Granting Authority may determine.

     (b)    Except as may be provided by the Granting Authority,  Deferred Stock
            awards may not be sold, assigned, transferred,  pledged or otherwise
            encumbered during the Deferral Period.

     (c)    At the expiration of the Deferral  Period,  the award holder (or his
            or her  designated  beneficiary in the event of death) shall receive
            (i)  certificates  for the  number of  shares of Stock  equal to the
            number of shares  covered by the  Deferred  Stock  award,  (ii) cash
            equal to the fair market value of such Stock, or (iii) a combination
            of shares and cash, as the Granting Authority may determine.

     (d)    Except as may be provided by the Granting Authority, in the event of
            an award  holder's  termination of service before the Deferred Stock
            has vested, his or her Deferred Stock award shall be forfeited.

     (e)    The Granting Authority may waive, in whole or in part, any or all of
            the conditions to receipt of, or restrictions with respect to, Stock
            or cash under a Deferred  Stock  award,  other than with  respect to
            Performance  Awards (except that the Committee may waive  conditions
            or  restrictions  with respect to Performance  Awards if such waiver
            would  not  cause  the  Performance  Award  to  fail to  qualify  as
            "performance-based  compensation"  within  the  meaning  of  Section
            162(m) of the Code).

SECTION 10. Bonus Stock

     The  Granting  Authority  may award Bonus  Stock  subject to such terms and
conditions as the Granting  Authority shall determine.  The grant of Bonus Stock
may be conditioned  upon the attainment of specified  Performance  Objectives or
upon such other criteria as the Granting  Authority may determine.  The Granting
Authority may waive such  conditions in whole or in part other than with respect
to  Performance  Awards  (except  that the  Committee  may waive  conditions  or
restrictions  with respect to Performance  Awards if such waiver would not cause
the  Performance  Award to fail to qualify as  "performance-based  compensation"
within the meaning of Section 162(m) of the Code). The Granting  Authority shall
also have the right to eliminate  or reduce the amount of Bonus Stock  otherwise
payable under an award. Unless otherwise specified by the Granting Authority, no
money shall be paid by the  recipient  for the Bonus Stock.  Alternatively,  the
Granting  Authority may offer the award holder the opportunity to purchase Bonus
Stock at a discount from its fair market  value.  The Bonus Stock award shall be
satisfied by the delivery of the designated  number of shares of Stock which are
not subject to restriction.


<PAGE>

SECTION 11. Loans

     The Granting  Authority may provide that the Company shall make, or arrange
for, a loan or loans with respect to the  exercise of any Stock  Option  awarded
under the Plan,  with respect to the payment of the purchase  price,  if any, of
any Restricted Stock awarded hereunder or with respect to any taxes arising from
an award hereunder; provided, however, that the Company shall not loan more than
the sum of (i) the excess of the purchase or exercise price of an award over the
par value of any  shares  of Stock  awarded  plus  (ii) the  amount of any taxes
arising from such award.  The Granting  Authority  shall have full  authority to
decide whether a loan will be made  hereunder and to determine the amount,  term
and  provisions  of any such loan,  including  the interest  rate to be charged,
whether  the loan will be with or without  recourse  against the  borrower,  any
security  for the loan,  the  terms on which  the loan is to be  repaid  and the
conditions, if any, under which the loan may be forgiven.

SECTION 12. Tax Offset Payments

     The Granting  Authority may provide for a Tax Offset Payment by the Company
with  respect  to one or more  awards  granted  under the Plan.  The Tax  Offset
Payment shall be in an amount specified by the Granting  Authority,  which shall
not exceed the amount necessary to pay the federal, state, local and other taxes
payable with respect to the  applicable  award and the receipt of the Tax Offset
Payment,  assuming  that the  award  holder  is taxed  at the  maximum  tax rate
applicable to such income. The Tax Offset Payment shall be paid solely in cash.

SECTION 13. Election to Defer Awards

     The Granting  Authority may permit an employee or Outside Director to elect
to defer receipt of an award (other than an award  pursuant to Section 15) for a
specified period or until a specified  event,  upon such terms as are determined
by the Granting Authority.

SECTION 14. Tax Withholding

     14.1   Each employee shall, no later than the date as of which the value of
an award first becomes  includible in such person's  gross income for applicable
tax  purposes,  pay to the Company,  or make  arrangements  satisfactory  to the
Committee regarding payment of, any federal,  state, local or other taxes of any
kind required by law to be withheld with respect to the award.  The  obligations
of the  Company  under  the  Plan  shall  be  conditional  on  such  payment  or
arrangements,  and the Company (and,  where  applicable,  any Related  Company),
shall,  to the extent  permitted by law, have the right to deduct any such taxes
from any payment of any kind otherwise due to the employee.

     14.2   To the extent permitted by the Committee,  and subject to such terms
and  conditions as the Committee may provide,  an employee may elect to have the
withholding tax obligation, or any additional tax obligation with respect to any
awards  hereunder,  satisfied by (i) having the Company withhold shares of Stock
otherwise  deliverable  to  such  person  with  respect  to the  award  or  (ii)
delivering  to the Company  shares of  unrestricted  Stock.  Alternatively,  the
Committee  may  require  that  a  portion  of  the  shares  of  Stock  otherwise
deliverable be applied to satisfy the withholding  tax obligations  with respect
to the award.

SECTION 15. Automatic Stock Options, Limited Stock Appreciation Rights and Stock
Grants for Outside Directors

     15.1   Outside Directors shall be granted Stock Options as follows:

     (a)    Initial Grant. Each person who is an Outside Director on the date of
            adoption  of the Plan by the Board  shall be  granted on such date a
            Stock  Option  to  purchase  the  number  of whole  shares  of Stock
            obtained by dividing  $5,000 by the closing sales price of the Stock
            on the date of grant.  Each person who  becomes an Outside  Director
            after  such  date  shall  be  granted,  on  the  first  trading  day
            coincident  with or immediately  following the effective date of his
            or her election as an Outside  Director,  a Stock Option to purchase
            the number of whole shares of Stock  obtained by dividing  $5,000 by
            the closing sales price of the Stock on the date of grant.

     (b)    Quarterly  Grants. On the first trading day of each calendar quarter
            beginning with October 1, 1995,  each Outside  Director then serving
            on the Board and who has served for all or a portion of the previous
            calendar  quarter  shall be granted a Stock  Option to purchase  the
            number of whole shares of Stock  obtained by dividing  $5,000 by the
            closing sales price of the Stock on the date of grant.

     (c)    For purposes of this Section 15.1, the term trading day shall mean a
            day on which the Stock is traded on a national securities  exchange,
            on the Nasdaq National Market, or in the over-the-counter market.


<PAGE>

     (d)    Notwithstanding the foregoing, if on any date on which Stock Options
            are to be  granted  under this  Section  15.1 the  remaining  shares
            available  for  issuance  to  Outside  Directors  under the Plan are
            insufficient  to enable  each  Outside  Director  to receive a Stock
            Option  to  purchase  the  applicable  number of shares of Stock set
            forth above,  each Outside  Director who is entitled to be granted a
            Stock  Option  pursuant to this  Section  15.1 on such date shall be
            granted a Stock  Option to purchase  his or her pro rata  portion of
            such remaining shares.

     15.2   Stock Options  granted under this Section 15 shall be  Non-Qualified
Stock Options, and shall have the following terms and conditions:

     (a)    Option Price. The option price per share of Stock  purchasable under
            the Stock  Option  shall be equal to the closing  sales price of the
            Stock on the date the Stock Option is granted.

     (b)    Term of Option. The term of the Stock Option shall be ten years from
            the date of grant,  subject to earlier  termination  in the event of
            termination of service as a director, as set forth in paragraphs (e)
            and (f) below.

     (c)    Exercisability.  Subject to paragraphs (e) and (f) below, each Stock
            Option  shall vest with respect to 10% of the  underlying  shares on
            the date  which is three  months  after  the date of  grant,  and an
            additional  10% at the end of each  three-month  period  thereafter,
            provided  that the  optionee  is a director  of the  Company on such
            date.  The minimum  number of shares  with  respect to which a Stock
            Option may be exercised is the lesser of 100 shares or the number of
            shares then subject to the Stock Option.

     (d)    Method of Exercise.  The Stock  Options may be exercised in whole or
            in part at any time  during  the  option  period by  giving  written
            notice of exercise to the Company specifying the number of shares to
            be purchased,  accompanied by payment of the purchase price. Payment
            of the  purchase  price  shall  be  made  in  cash  (including  cash
            equivalents)  or by delivery of shares of Stock already owned by the
            optionee  for at least  six  months,  or by any  combination  of the
            foregoing. Shares delivered upon payment of the exercise price shall
            be valued at the average of the high and low sale price of the Stock
            on the date of  exercise  (or,  if the  Stock is not  traded on such
            date,  at the  weighted  average  of the high and low  prices on the
            nearest trading dates before and after such date).

     (e)    Termination  of Service as Director.  If an optionee's  service as a
            director is terminated for any reason, such director's Stock Options
            may be  exercised  for five  years  following  such  termination  of
            service  (but not beyond the  Option  term),  but only to the extent
            such Options were vested on the date of termination of service.

     (f)    Change of Control.  Notwithstanding any other provision of the Plan,
            upon the  occurrence  of a Change of Control  (as defined in Section
            17.2),  all Stock Options  outstanding at the time of such Change of
            Control shall become  immediately  vested and  exercisable and shall
            remain  exercisable for five years after the director's  termination
            of service (but not beyond the option term).

     (g)    Non-transferability.  No Stock Option shall be  transferable  by the
            optionee  other  than  by  will  or  by  the  laws  of  descent  and
            distribution. During an optionee's lifetime, all Stock Options shall
            be  exercisable  only by the  optionee or by his or her  guardian or
            legal representative.

     (h)    Shareholder  Rights.  The holder of a Stock Option  shall,  as such,
            have none of the rights of a shareholder.

     15.3   Limited Stock Appreciation Rights in Tandem with Options. Each Stock
Option granted to an Outside  Director under this Section 15 shall be granted in
tandem  with a Limited  Stock  Appreciation  Right which may be  exercised  only
within the 60-day  period  following a Change of Control.  Upon  exercise of the
Limited Stock Appreciation Right, the holder shall receive,  for each share with
respect to which the Limited Stock  Appreciation  Right is exercised,  an amount
equal in value to the  excess of the  Change of  Control  Price (as  defined  in
Section 17.3) over the exercise  price of the related Stock Option.  The Limited
Stock  Appreciation  Right  shall be payable  solely in cash,  and shall be paid
within 30 days of the exercise of the Limited Stock Appreciation Right.

     15.4   Quarterly  Stock Grants.  On the first trading day of each calendar
quarter  beginning with the first calendar quarter after the date of shareholder
approval of the Plan,  each Outside  Director  then serving on the Board and who
has  served  for all or a portion  of the  previous  calendar  quarter  shall be
granted the number of whole shares of Stock  obtained by dividing  $2,000 by the

<PAGE>

closing  sales  price of the  Stock on the date of  grant.  Notwithstanding  the
foregoing,  if on any date on which  shares are to be granted  pursuant  to this
Section 15.4 the  remaining  shares  reserved for issuance to Outside  Directors
under the Plan are  insufficient to enable each Outside  Director to receive the
applicable  number of shares of Stock set forth above, each Outside Director who
is entitled to be granted shares  pursuant to this Section 15.4 shall be granted
his or her pro rata portion of such remaining  shares.  All shares granted under
this  Section  15.4  shall be fully  vested and  non-forfeitable  at the time of
grant.

SECTION 16. Amendments and Termination

     The Board may  discontinue  the Plan at any time and may amend it from time
to time. No amendment or  discontinuation of the Plan shall adversely affect any
award  previously  granted without the award holder's  written  consent.  To the
extent required in order to satisfy Rule 16b-3 under the Securities Exchange Act
of 1934 ("Rule  16b-3") (or any successor  rule),  the  provisions of Section 15
shall not be amended more than once every six months, other than to comport with
changes in the Code, the Employee  Retirement  Income Security Act, or the rules
thereunder.  Amendments  may be made  without  stockholder  approval  except  as
required to satisfy Rule 16b-3,  Section  162(m) of the Code,  or other  NASDAQ,
stock exchange, or regulatory requirements.

SECTION 17. Change of Control

     17.1   In the event of a Change of Control,  unless otherwise determined by
the  Granting  Authority  at the time of grant or by  amendment  (with the award
holder's consent) of such grant:

     (a)    all outstanding Stock Options and all outstanding Stock Appreciation
            Rights (including Limited Stock  Appreciation  Rights) awarded under
            the Plan shall become fully exercisable and vested;

     (b)    the  restrictions  and  deferral   limitations   applicable  to  any
            outstanding  Restricted  Stock and  Deferred  Stock awards under the
            Plan shall  lapse and such shares and awards  shall be deemed  fully
            vested; and

     (c)    to the  extent  the cash  payment  of any award is based on the fair
            market value of Stock, such fair market value shall be the Change of
            Control Price.

     17.2   A "Change of Control" shall be deemed to occur on:

     (a)    the date that any  person or group  deemed a person  under  Sections
            3(a)(9) and 13(d)(3) of the  Securities  Exchange Act of 1934 (other
            than the  Company and its  subsidiaries  as  determined  immediately
            prior to that date) has become the  beneficial  owner,  directly  or
            indirectly (with beneficial ownership determined as provided in rule
            13d-3, or any successor rule,  under the Securities  Exchange Act of
            1934) of securities of the Company  representing  25% or more of the
            total  combined  voting power of all classes of stock of the Company
            having the right under ordinary circumstances to vote at an election
            of the Board,  unless such person has  acquired  80% or more of such
            securities directly from the Company;

     (b)    the date on which  one-third  or more of the  members  of the  Board
            shall  consist of persons  other than Current  Directors  (for these
            purposes a "Current  Director" shall mean any member of the Board on
            July 27,  1995 and any  member  of the  Board  whose  nomination  or
            election  has been  approved by a majority of the Current  Directors
            then on the Board);

     (c)    the  date of  approval  by the  stockholders  of the  Company  of an
            agreement  providing for the merger or  consolidation of the Company
            with another  corporation where (i) the stockholders of the Company,
            immediately  prior  to  the  merger  or  consolidation,   would  not
            beneficially  own,  immediately  after the merger or  consolidation,
            shares  entitling  such  stockholders  to 50% or more  of all  votes
            (without  consideration of the rights of any class of stock to elect
            directors by a separate class vote) to which all stockholders of the
            corporation   issuing   cash  or   securities   in  the   merger  or
            consolidation  would be entitled in the  election of  directors,  or
            (ii) where the members of the Board, immediately prior to the merger
            or  consolidation,  would  not,  immediately  after  the  merger  or
            consolidation,  constitute  a majority of the board of  directors of
            the corporation issuing cash or securities in the merger; or

     (d)    the  date of  approval  by the  stockholders  of the  Company  of an
            agreement  providing  for the  sale or other  disposition  of all or
            substantially all of the assets of the Company.


<PAGE>

     17.3   "Change of Control  Price" means the highest price per share paid in
any  transaction  reported  in the  Nasdaq  National  Market or on any  national
securities  exchange  where  the  Stock is  traded,  or paid or  offered  in any
transaction  related to a Change of Control at any time during the 90-day period
ending with the Change of Control.  Notwithstanding the foregoing  sentence,  in
the case of Stock  Appreciation  Rights granted in tandem with  Incentive  Stock
Options, the Change of Control Price shall be the highest price paid on the date
on which the Stock Appreciation Right is exercised.

SECTION 18. General Provisions

     18.1   Each award under the Plan shall be subject to the requirement  that,
if at any time the  Granting  Authority  shall  determine  that (i) the listing,
registration or  qualification  of the Stock subject or related thereto upon any
securities  exchange  or under any state or federal  law, or (ii) the consent or
approval  of any  government  regulatory  body  or  (iii)  an  agreement  by the
recipient of an award with respect to the  disposition  of Stock is necessary or
desirable (in connection with any requirement or  interpretation  of any federal
or state securities law, rule or regulation) as a condition of, or in connection
with, the granting of such award or the issuance,  purchase or delivery of Stock
thereunder,  such award shall not be granted or exercised,  in whole or in part,
unless such listing, registration, qualification, consent, approval or agreement
shall have been effected or obtained free of any  conditions  not  acceptable to
the Granting Authority.

     18.2   Nothing set forth in this Plan shall prevent the Board from adopting
other or additional compensation arrangements.  Neither the adoption of the Plan
nor any award hereunder  shall confer upon any employee of the Company,  or of a
Related Company,  any right to continued  employment,  and no award shall confer
upon any Outside Director any right to continued service as a director.

     18.3   Determinations by the Granting Authority under the Plan relating to
the form,  amount,  and terms and conditions of awards need not be uniform,  and
may be made  selectively  among  persons who receive or are  eligible to receive
awards under the Plan, whether or not such persons are similarly situated.

      18.4  No member of the Board or the Committee, nor any officer or employee
of the  Company  acting  on  behalf  of the  Board  or the  Committee,  shall be
personally liable for any action,  determination or interpretation taken or made
with respect to the Plan,  and all members of the Board or the Committee and all
officers or employees of the Company acting on their behalf shall, to the extent
permitted by law, be fully  indemnified  and protected by the Company in respect
of any such action, determination or interpretation.

SECTION 19. Effective Date of Plan

     The  provisions  of the Plan with  respect  to  formula  grants to  Outside
Directors  (as  currently  set forth in Section  15) were  adopted  and shall be
effective  on July 27,  1995,  and the  provisions  of the Plan with  respect to
grants to employees  were  adopted and shall be effective on April 10, 1996,  in
each case subject to approval by the Company's  stockholders  at the 1996 Annual
Meeting  of   Stockholders.   The   provisions  of  the  Plan  with  respect  to
discretionary grants to Outside Directors were adopted on September __, 1996 and
shall become effective on the date of approval by the Company's  stockholders at
the 1996 Annual Meeting of Stockholders.
<PAGE>


                              DIANON SYSTEMS, INC.
          THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS.

THE UNDERSIGNED  HEREBY APPOINTS E. A. PULTZ AND S.L.  SWENSON AS PROXIES,  EACH
WITH THE  POWER  TO  APPOINT  HER  SUBSTITUTE,  AND  HEREBY  AUTHORIZES  THEM TO
REPRESENT  AND TO VOTE AS  DESIGNATED  BELOW ALL THE  SHARES OF COMMON  STOCK OF
DIANON SYSTEMS,  INC. HELD OF RECORD BY THE UNDERSIGNED ON SEPTEMBER 20, 1996 AT
THE  ANNUAL  MEETING  OF  STOCKHOLDERS  TO BE  HELD AT THE  COMPANY'S  CORPORATE
HEADQUARTERS AT 200 WATSON  BOULEVARD,  STRATFORD,  CONNECTICUT,  ON OCTOBER 24,
1996 AT 10:00 A.M., AND ANY ADJOURNMENT THEREOF.

MANAGEMENT/BOARD  OF DIRECTORS OF THE ISSUER  RECOMMENDS A VOTE FOR PROPOSALS 1,
2, 3 AND 4.

PROPOSAL(S): MARK AN |X| IN THE APPROPRIATE BOX. PLEASE USE EITHER BLUE OR BLACK
INK.

1.   ELECTION OF THE FOLLOWING NOMINEES FOR DIRECTOR:  RICHARD A. SANDBERG, JOHN
     P. DAVIS,  WALTER O. FREDERICKS,  JEFFREY L. SKLAR,  G.S. BECKWITH GILBERT,
     JAMES B. AMBERSON, AND KEVIN C. JOHNSON.

      |_|    FOR                |_|    AGAINST

TO WITHHOLD YOUR VOTE FOR ANY INDIVIDUAL NOMINEE,  WRITE THE NAME(S) ON THE LINE
BELOW.


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

2.   TO APPROVE THE COMPANY'S  AGREEMENT WITH G.S.  BECKWITH GILBERT AND CERTAIN
     OF HIS AFFILIATES THAT MR. GILBERT AND SUCH AFFILIATES BE PERMITTED TO VOTE
     SHARES OF THE COMPANY'S  COMMON STOCK PURCHASED BY THEM FROM THE COMPANY IN
     OCTOBER  1995  REPRESENTING  UP TO 20% OF THE  TOTAL  VOTING  POWER  OF THE
     COMPANY'S  VOTING  SECURITIES  OUTSTANDING  FROM TIME TO TIME (THE  "VOTING
     RIGHTS  PROPOSAL") AS MORE FULLY  DISCUSSED  UNDER  "APPROVAL OF THE VOTING
     RIGHTS PROPOSAL".

      |_|    FOR                |_|    AGAINST                  |_|   ABSTAIN


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

3.   PROPOSAL TO APPROVE THE ADOPTION OF THE 1996 STOCK INCENTIVE PLAN.

      |_|    FOR                |_|    AGAINST                  |_|   ABSTAIN


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

4.   PROPOSAL TO APPROVE THE APPOINTMENT OF ARTHUR ANDERSEN, LLP AS AUDITORS FOR
     THE YEAR ENDING DECEMBER 31, 1996.

      |_|    FOR                |_|    AGAINST                  |_|   ABSTAIN

                                   (Continued and to be SIGNED on Reverse Side)


<PAGE>


|_|  CHECK IF YOU HAVE       |_| CHECK IF YOU PLAN       |_|  CHECK IF YOU PLAN
     MADE ADDITIONAL             TO ATTEND THE                TO ATTEND THE
     COMMENTS                    MEETING                      MEETING AND VOTE
                                                              YOUR SHARES

THIS PROXY WILL BE VOTED AS DIRECTED OR IF NO CONTRARY  DIRECTION  IS  INDICATED
WILL BE VOTED AS  MANAGEMENT  RECOMMENDS ON THESE AND ANY OTHER MATTERS THAT MAY
PROPERLY  COME  BEFORE THE  MEETING  OR ANY  ADJOURNMENT(S)  OR  POSTPONEMENT(S)
THEREOF. PLEASE SIGN THIS PROXY AND RETURN IT PROMPTLY IN THE ENVELOPE PROVIDED.

                              Signature of stockholder should correspond exactly
                              with the name shown on the proxy.

                              Corporate officers, powers of attorney,  trustees,
                              executors,  administrators,  guardians, and others
                              signing in a  representative  capacity should each
                              sign.

                              DATE --------------------------------------------

                              -------------------------------------------------
                                        (SIGNATURE OF SHAREHOLDER)

                              -------------------------------------------------
                                        (SIGNATURE IF HELD JOINTLY)

                              If time warrants,  improperly signed cards will be
                              returned for correction.



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