CERTIFICATE OF DESIGNATION, PREFERENCES AND
             RIGHTS OF SERIES A JUNIOR PARTICIPATING PREFERRED STOCK

                                       of

                             VEECO INSTRUMENTS INC.

             Pursuant to Section 151 of the General Corporation Law
                            of the State of Delaware

            We, Edward H. Braun, Chairman of the Board and Chief Executive
Officer, and John F. Rein, Jr., Executive Vice President, Chief Financial
Officer, Treasurer and Secretary, of Veeco Instruments Inc., a corporation
organized and existing under the General Corporation Law of the State of
Delaware, in accordance with the provisions of Section 103 thereof, DO HEREBY
CERTIFY:

            That pursuant to the authority conferred upon the Board of Directors
by the Restated Certificate of Incorporation of the said Corporation, the said
Board of Directors on March 13, 2001, adopted the following resolution creating
a series of 30,000 shares of Preferred Stock designated as Series A Junior
Participating Preferred Stock:

            RESOLVED, that pursuant to the authority vested in the Board of
Directors of this Corporation in accordance with the provisions of its Restated
Certificate of Incorporation, a series of Preferred Stock of the Corporation be
and it hereby is created, and that the designation and amount thereof and the
voting powers, preferences and relative, participating, optional and other
special rights of the shares of such series, and the qualifications, limitations
or restrictions thereof are as follows:

            Section 1. Designation and Amount. The shares of such series shall
be designated as "Series A Junior Participating Preferred Stock" and the number
of shares constituting such series shall be 30,000.

            Section 2. Dividends and Distributions.



            (A) Subject to the prior and superior rights of the holders of any
shares of any series of Preferred Stock ranking prior and superior to the shares
of Series A Junior Participating Preferred Stock with respect to dividends, the
holders of shares of Series A Junior Participating Preferred Stock shall be
entitled to receive, when, as and if declared by the Board of Directors out of
funds legally available for the purpose, quarterly dividends payable in cash on
the first day of January, April, July and October in each year (each such date
being referred to herein as a "Quarterly Dividend Payment Date"), commencing on
the first Quarterly Dividend Payment Date after the first issuance of a share or
fraction of a share of Series A Junior Participating Preferred Stock, in an
amount per share (rounded to the nearest cent) equal to the greater of (a) $0.01
or (b) subject to the provision for adjustment hereinafter set forth, 10,000
times the aggregate per share amount of all cash dividends, and 10,000 times the
aggregate per share amount (payable in kind) of all non-cash dividends or other
distributions other than a dividend payable in shares of Common Stock or a
subdivision of the outstanding shares of Common Stock (by reclassification or
otherwise), declared on the Common Stock, par value $0.01 per share, of the
Corporation (the "Common Stock") since the immediately preceding Quarterly
Dividend Payment Date, or, with respect to the first Quarterly Dividend Payment
Date, since the first issuance of any share or fraction of a share of Series A
Junior Participating Preferred Stock. In the event the Corporation shall at any
time after March 13, 2001 (the "Rights Declaration Date") (i) declare any
dividend on Common Stock payable in shares of Common Stock, (ii) subdivide the
outstanding Common Stock, or (iii) combine the outstanding Common Stock into a
smaller number of shares, then in each such case the amount to which holders of
shares of Series A Junior Participating Preferred Stock were entitled
immediately prior to such event under clause (b) of the preceding sentence shall
be adjusted by multiplying such amount by a fraction the numerator of which is
the number of shares of Common Stock outstanding immediately after such event
and the denominator of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.

            (B) The Corporation shall declare a dividend or distribution on the
Series A Junior Participating Preferred Stock as provided in Paragraph (A) above
immediately after it


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declares a dividend or distribution on the Common Stock (other than a dividend
payable in shares of Common Stock); provided that, in the event no dividend or
distribution shall have been declared on the Common Stock during the period
between any Quarterly Dividend Payment Date and the next subsequent Quarterly
Dividend Payment Date, a dividend of $0.01 per share on the Series A Junior
Participating Preferred Stock shall nevertheless be payable on such subsequent
Quarterly Dividend Payment Date.

            (C) Dividends shall begin to accrue and be cumulative on outstanding
shares of Series A Junior Participating Preferred Stock from the Quarterly
Dividend Payment Date next preceding the date of issue of such shares of Series
A Junior Participating Preferred Stock, unless the date of issue of such shares
is prior to the record date for the first Quarterly Dividend Payment Date, in
which case dividends on such shares shall begin to accrue from the date of issue
of such shares, or unless the date of issue is a Quarterly Dividend Payment Date
or is a date after the record date for the determination of holders of shares of
Series A Junior Participating Preferred Stock entitled to receive a quarterly
dividend and before such Quarterly Dividend Payment Date, in either of which
events such dividends shall begin to accrue and be cumulative from such
Quarterly Dividend Payment Date. Accrued but unpaid dividends shall not bear
interest. Dividends paid on the shares of Series A Junior Participating
Preferred Stock in an amount less than the total amount of such dividends at the
time accrued and payable on such shares shall be allocated pro rata on a
share-by-share basis among all such shares at the time outstanding. The Board of
Directors may fix a record date for the determination of holders of shares of
Series A Junior Participating Preferred Stock entitled to receive payment of a
dividend or distribution declared thereon, which record date shall be no more
than 30 days prior to the date fixed for the payment thereof.

            Section 3. Voting Rights. The holders of shares of Series A Junior
Participating Preferred Stock shall have the following voting rights:

            (A) Subject to the provision for adjustment hereinafter set forth,
each share of Series A Junior Participating Preferred Stock shall entitle the
holder thereof to 10,000 votes on all matters submitted to a vote of the


                                       3


stockholders of the Corporation. In the event the Corporation shall at any time
after the Rights Declaration Date (i) declare any dividend on Common Stock
payable in shares of Common Stock, (ii) subdivide the outstanding Common Stock,
or (iii) combine the outstanding Common Stock into a smaller number of shares,
then in each such case the number of votes per share to which holders of shares
of Series A Junior Participating Preferred Stock were entitled immediately prior
to such event shall be adjusted by multiplying such number by a fraction the
numerator of which is the number of shares of Common Stock outstanding
immediately after such event and the denominator of which is the number of
shares of Common Stock that were outstanding immediately prior to such event.

            (B) Except as otherwise provided herein or by law, the holders of
shares of Series A Junior Participating Preferred Stock and the holders of
shares of Common Stock shall vote together as one class on all matters submitted
to a vote of stockholders of the Corporation.

            (C) (i) If at any time dividends on any Series A Junior
      Participating Preferred Stock shall be in arrears in an amount equal to
      six (6) quarterly divi dends thereon, the occurrence of such contingency
      shall mark the beginning of a period (herein called a "de fault period")
      which shall extend until such time when all accrued and unpaid dividends
      for all previous quar terly dividend periods and for the current quarterly
      dividend period on all shares of Series A Junior Participating Preferred
      Stock then outstanding shall have been declared and paid or set apart for
      payment. During each default period, all holders of Preferred Stock
      (including holders of the Series A Junior Par ticipating Preferred Stock)
      with dividends in arrears in an amount equal to six (6) quarterly
      dividends thereon, voting as a class, irrespective of series, shall have
      the right to elect two (2) directors.

            (ii) During any default period, such voting right of the holders of
      Series A Junior Participating Preferred Stock may be exercised initially
      at a special meeting called pursuant to subparagraph (iii) of this Section
      3(C) or at any annual meeting of stockholders, and thereafter at annual
      meetings of stockholders, provided that


                                       4


      neither such voting right nor the right of the holders of any other series
      of Preferred Stock, if any, to increase, in certain cases, the authorized
      number of directors shall be exercised unless the hold ers of ten percent
      (10%) in number of shares of Pre ferred Stock outstanding shall be present
      in person or by proxy. The absence of a quorum of the holders of Common
      Stock shall not affect the exercise by the holders of Preferred Stock of
      such voting right. At any meeting at which the holders of Preferred Stock
      shall exercise such voting right initially during an existing default
      period, they shall have the right, voting as a class, to elect directors
      to fill such vacancies, if any, in the Board of Directors as may then
      exist up to two (2) directors or, if such right is exercised at an annual
      meeting, to elect two (2) direc tors. If the number which may be so
      elected at any special meeting does not amount to the required number, the
      holders of the Preferred Stock shall have the right to make such increase
      in the number of directors as shall be necessary to permit the election by
      them of the required number. After the holders of the Pre ferred Stock
      shall have exercised their right to elect directors in any default period
      and during the continu ance of such period, the number of directors shall
      not be increased or decreased except by vote of the holders of Preferred
      Stock as herein provided or pursuant to the rights of any equity
      securities ranking senior to or pari passu with the Series A Junior
      Participating Preferred Stock.

            (iii) Unless the holders of Preferred Stock shall, during an
      existing default period, have previ ously exercised their right to elect
      directors, the Board of Directors may order, or any stockholder or
      stockholders owning in the aggregate not less than ten percent (10%) of
      the total number of shares of Preferred Stock outstanding, irrespective of
      series, may request, the calling of a special meeting of the holders of
      Preferred Stock, which meeting shall there upon be called by the
      President, a Vice-President or the Secretary of the Corporation.


                                       5


      Notice of such meeting and of any annual meeting at which holders of
      Preferred Stock are entitled to vote pursuant to this Paragraph (C)(iii)
      shall be given to each holder of record of Preferred Stock by mailing a
      copy of such notice to him at his last address as the same appears on the
      books of the Corporation. Such meeting shall be called for a time not
      earlier than 20 days and not later than 60 days after such order or
      request or in default of the calling of such meeting within 60 days after
      such order or request, such meeting may be called on similar notice by any
      stockholder or stockholders owning in the aggregate not less than ten
      percent (10%) of the total number of shares of Preferred Stock out
      standing. Notwithstanding the provisions of this Para graph (C)(iii), no
      such special meeting shall be called during the period within 60 days
      immediately preceding the date fixed for the next annual meeting of the
      stockholders.

            (iv) In any default period, the holders of Common Stock, and other
      classes of stock of the Cor poration if applicable, shall continue to be
      entitled to elect the whole number of directors until the holders of
      Preferred Stock shall have exercised their right to elect two (2)
      directors voting as a class, after the exercise of which right (x) the
      directors so elected by the holders of Preferred Stock shall contin ue in
      office until their successors shall have been elected by such holders or
      until the expiration of the default period, and (y) any vacancy in the
      Board of Directors may (except as provided in Paragraph (C)(ii) of this
      Section 3) be filled by vote of a majority of the remaining directors
      theretofore elected by the holders of the class of stock which elected the
      direc tor whose office shall have become vacant. References in this
      Paragraph (C) to directors elected by the hold ers of a particular class
      of stock shall include direc tors elected by such directors to fill
      vacancies as provided in clause (y) of the foregoing sentence.

            (v) Immediately upon the expiration of a


                                       6


      default period, (x) the right of the holders of Preferred Stock as a
      class to elect directors shall cease, (y) the term of any directors
      elected by the holders of Preferred Stock as a class shall terminate, and
      (z) the number of directors shall be such number as may be provided for in
      the certificate of incorporation or by- laws irrespective of any increase
      made pursuant to the provisions of Paragraph (C)(ii) of this Section 3
      (such number being subject, however, to change thereafter in any manner
      provided by law or in the certificate of incorporation or by-laws). Any
      vacancies in the Board of Directors effected by the provisions of clauses
      (y) and (z) in the preceding sentence may be filled by a majority of the
      remaining directors.

            (D) Except as set forth herein, holders of Series A Junior
Participating Preferred Stock shall have no special voting rights and their
consent shall not be required (except to the extent they are entitled to vote
with holders of Common Stock as set forth herein) for taking any corporate
action.

            Section 4. Certain Restrictions.

            (A) Whenever quarterly dividends or other dividends or distributions
payable on the Series A Junior Participating Preferred Stock as provided in
Section 2 are in arrears, thereafter and until all accrued and unpaid dividends
and distributions, whether or not declared, on shares of Series A Junior
Participating Preferred Stock outstanding shall have been paid in full, the
Corporation shall not

                  (i) declare or pay dividends on, make any other distributions
      on, or redeem or purchase or other wise acquire for consideration any
      shares of stock ranking junior (either as to dividends or upon liqui
      dation, dissolution or winding up) to the Series A Junior Participating
      Preferred Stock;

                  (ii) declare or pay dividends on or make any other
      distributions on any shares of stock ranking on a parity (either as to
      dividends or upon


                                       7


      liquidation, dissolution or winding up) with the Series A Junior
      Participating Preferred Stock, except dividends paid ratably on the Series
      A Junior Participating Preferred Stock and all such parity stock on which
      dividends are payable or in arrears in proportion to the total amounts to
      which the holders of all such shares are then entitled;

                  (iii) redeem or purchase or otherwise acquire for
      consideration shares of any stock ranking on a parity (either as to
      dividends or upon liqui dation, dissolution or winding up) with the Series
      A Junior Participating Preferred Stock, provided that the Corporation may
      at any time redeem, purchase or other wise acquire shares of any such
      parity stock in ex change for shares of any stock of the Corporation
      ranking junior (either as to dividends or upon disso lution, liquidation
      or winding up) to the Series A Junior Participating Preferred Stock; or

                  (iv) purchase or otherwise acquire for consideration any
      shares of Series A Junior Partic ipating Preferred Stock, or any shares of
      stock ranking on a parity with the Series A Junior Participating Pre
      ferred Stock, except in accordance with a purchase offer made in writing
      or by publication (as determined by the Board of Directors) to all holders
      of such shares upon such terms as the Board of Directors, after
      consideration of the respective annual dividend rates and other relative
      rights and preferences of the respective series and classes, shall
      determine in good faith will result in fair and equitable treatment among
      the respective series or classes.

            (B) The Corporation shall not permit any subsidiary of the
Corporation to purchase or otherwise acquire for consideration any shares of
stock of the Corporation unless the Corporation could, under Paragraph (A) of
this Section 4, purchase or otherwise acquire such shares at such time and in
such manner.


                                       8


            Section 5. Reacquired Shares. Any shares of Series A Junior
Participating Preferred Stock purchased or otherwise acquired by the Corporation
in any manner whatsoever shall be retired and cancelled promptly after the
acquisition thereof. All such shares shall upon their cancellation become
authorized but unissued shares of Preferred Stock and may be reissued as part of
a new series of Preferred Stock to be created by resolution or resolutions of
the Board of Directors, subject to the conditions and restrictions on issuance
set forth herein.

            Section 6. Liquidation, Dissolution or Winding Up. (A) Upon any
liquidation (voluntary or otherwise), dissolution or winding up of the
Corporation, no distribution shall be made to the holders of shares of stock
ranking junior (either as to dividends or upon liquidation, dissolution or
winding up) to the Series A Junior Participating Preferred Stock unless, prior
thereto, the holders of shares of Series A Junior Participating Preferred Stock
shall have received an amount equal to $10,000 per share of Series A
Participating Preferred Stock, plus an amount equal to accrued and unpaid
dividends and distributions thereon, whether or not declared, to the date of
such payment (the "Series A Liquidation Preference"). Following the payment of
the full amount of the Series A Liquidation Preference, no additional
distributions shall be made to the holders of shares of Series A Junior
Participating Preferred Stock unless, prior thereto, the holders of shares of
Common Stock shall have received an amount per share (the "Common Adjustment")
equal to the quotient obtained by dividing (i) the Series A Liquidation
Preference by (ii) 10,000 (as appropriately adjusted as set forth in
subparagraph (C) below to reflect such events as stock splits, stock dividends
and recapitalizations with respect to the Common Stock) (such number in clause
(ii), the "Adjustment Number"). Following the payment of the full amount of the
Series A Liquidation Preference and the Common Adjustment in respect of all
outstanding shares of Series A Junior Participating Preferred Stock and Common
Stock, respectively, holders of Series A Junior Participating Preferred Stock
and holders of shares of Common Stock shall receive their ratable and
proportionate share of the remaining assets to be distributed in the ratio of
the Adjustment Number to 1 with respect to such Preferred Stock and Common
Stock, on a


                                       9


per share basis, respectively.

            (B) In the event, however, that there are not sufficient assets
available to permit payment in full of the Series A Liquidation Preference and
the liquidation preferences of all other series of preferred stock, if any,
which rank on a parity with the Series A Junior Participating Preferred Stock,
then such remaining assets shall be distributed ratably to the holders of such
parity shares in proportion to their respective liquidation preferences. In the
event, however, that there are not sufficient assets available to permit payment
in full of the Common Adjustment, then such remaining assets shall be
distributed ratably to the holders of Common Stock.

            (C) In the event the Corporation shall at any time after the Rights
Declaration Date (i) declare any dividend on Common Stock payable in shares of
Common Stock, (ii) subdivide the outstanding Common Stock, or (iii) combine the
outstanding Common Stock into a smaller number of shares, then in each such case
the Adjustment Number in effect immediately prior to such event shall be
adjusted by multiplying such Adjustment Number by a fraction the numerator of
which is the number of shares of Common Stock outstanding immediately after such
event and the denominator of which is the number of shares of Common Stock that
were outstanding immediately prior to such event.

            Section 7. Consolidation, Merger, etc. In case the Corporation shall
enter into any consolidation, merger, combination or other transaction in which
the shares of Common Stock are exchanged for or changed into other stock or
securities, cash and/or any other property, then in any such case the shares of
Series A Junior Participating Preferred Stock shall at the same time be
similarly exchanged or changed in an amount per share (subject to the provision
for adjustment hereinafter set forth) equal to 10,000 times the aggregate amount
of stock, securities, cash and/or any other property (payable in kind), as the
case may be, into which or for which each share of Common Stock is changed or
exchanged. In the event the Corporation shall at any time after the Rights
Declaration Date (i) declare any dividend on Common Stock payable in shares of
Common Stock, (ii) subdivide the


                                       10


outstanding Common Stock, or (iii) combine the outstanding Common Stock into a
smaller number of shares, then in each such case the amount set forth in the
preceding sentence with respect to the exchange or change of shares of Series A
Junior Participating Preferred Stock shall be adjusted by mul tiplying such
amount by a fraction the numerator of which is the number of shares of Common
Stock outstanding immediately after such event and the denominator of which is
the number of shares of Common Stock that were outstanding immediately prior to
such event.

            Section 8. No Redemption. The shares of Series A Junior
Participating Preferred Stock shall not be redeemable.

            Section 9. Ranking. The Series A Junior Participating Preferred
Stock shall rank junior to all other series of the Corporation's Preferred Stock
as to the payment of dividends and the distribution of assets, unless the terms
of any such series shall provide otherwise.

            Section 10. Amendment. At any time when any shares of Series A
Junior Participating Preferred Stock are outstanding, neither the Restated
Certificate of Incorporation of the Corpo ration nor this Certificate of
Designation shall be amended in any manner which would materially alter or
change the powers, preferences or special rights of the Series A Junior
Participating Preferred Stock so as to affect them adversely without the
affirmative vote of the holders of a majority or more of the outstanding shares
of Series A Junior Participating Preferred Stock, voting separately as a class.

            Section 11. Fractional Shares. Series A Junior Participating
Preferred Stock may be issued in fractions of a share which shall entitle the
holder, in proportion to such holder's fractional shares, to exercise voting
rights, receive dividends, participate in distributions and to have the benefit
of all other rights of holders of Series A Junior Participating Preferred Stock.


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            IN WITNESS WHEREOF, we have executed and subscribed this Certificate
and do affirm the foregoing as true under the penalties of perjury this 14th day
of March, 2001.


                                        /s/ Edward H. Braun
                                        ----------------------------------------
                                        Chairman of the Board and
                                        Chief Executive Officer

Attest:


/s/ John F. Rein, Jr.
- -----------------------------
Secretary


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