CERTIFICATE OF AMENDMENT OF THE RESTATED CERTIFICATE OF INCORPORATION
                        OF DENDRITE INTERNATIONAL, INC.
                                  SETTING FORTH
           THE TERMS OF SERIES A JUNIOR PARTICIPATING PREFERRED STOCK
                                       of
                          Dendrite International, Inc.


                  Pursuant to the  provisions  of Section  14A:7-2(4) of the New
Jersey  Business   Corporation  Act,  the  undersigned   execute  the  following
Certificate  of  Amendment  to the  Restated  Certificate  of  Incorporation  of
Dendrite  International Inc., a New Jersey corporation (the "Corporation"),  and
DOES HEREBY CERTIFY:

                  FIRST: The name of the corporation is DENDRITE  INTERNATIONAL,
INC.

                  SECOND: The following resolution, establishing and designating
a  series  of  shares  and  fixing  and  determining  the  relative  rights  and
preferences  thereof was duly  adopted by the Board of Directors on the 16th day
of February, 2001 pursuant to authority vested in it by the Restated Certificate
of Incorporation.

                  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 800,000.

                  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 1st day of March,  June,  September  and December 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)  $.10  or (b)  subject  to the  provision  for  adjustment
hereinafter  set forth,  100 times the  aggregate  per share  amount of all cash
dividends, and 100 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, no par
value, 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  or  Series A Junior  Participating  Preferred  Stock.  In the  event  the
Corporation  shall at any time after February 20, 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 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 or $.10 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 100  votes on all  matters  submitted  to a vote of the
shareholders 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 hold 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
or shares of Series A Junior  Participating  Preferred  Stock and the  holder of
shares of Common Stock shall vote together as one class on all matters submitted
to a vote of shareholders 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  dividends thereon,  the occurrence of such contingency shall mark the
beginning  of a period  (herein  called a "default  period")  which shall extend
until such time when all accrued and unpaid dividends for all previous quarterly
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
Participating  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 shareholders,  and thereafter at annual
meetings of shareholders, provided that such voting right shall not be exercised
unless the holders of ten percent  (10%) in number of shares of Preferred  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)  directors.  If the number  which may be so elected at any special
meeting does not amount to the  required  number,  the holders or the  Preferred
Stock shall have the right to make such  increase in the number or  directors as
shall be necessary to permit the election by them of the required number.  After
the holders of the  Preferred  Stock shall have  exercised  their right to elect
directors in any default period and during the  continuance 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  previously  exercised  their  right  to  elect
directors,  the Board of Directors may order, or any shareholder or shareholders
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 thereupon be called by the President, a Vice-President or the Secretary of
the  Corporation.  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 shareholder or shareholders owning in the
aggregate  not less  than ten  percent  (10%) of the  total  number of shares of
Preferred Stock  outstanding.  Notwithstanding  the provisions of this Paragraph
(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
shareholders.

                  (iv) In any default period,  the holders of Common Stock,  and
other classes of stock of the  Corporation 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 continue 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 or stock
which elected the director whose office shall have become vacant.  References in
this Paragraph (C) to directors  elected by the holders of a particular class of
stock shall include  directors  elected by such  directors to fill  vacancies as
provided in clause (y) of the foregoing sentence.

                  (v) Immediately  upon the expiration of a 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 (2) 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
or clauses (y) and (z) in the preceding  sentence may be filled by a majority or
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 otherwise  acquire for consideration
any shares of stock ranking junior (either as to dividends or upon  liquidation,
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  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 an a parity  (either as, to dividends
or upon  liquidation,  dissolution  or  winding  up)  with  the  Series A Junior
Participating  Preferred  Stock,  provided that the  Corporation may at any time
redeem,  purchase  or  otherwise  acquire  shares  of any such  parity  stock in
exchange for shares of any stock, of the  Corporation  ranking junior (either as
to dividends  or upon  dissolution,  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  Participating  Preferred  Stock, or any shares of
stock  ranking  on a parity  with the  Series A Junior  Participating  Preferred
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 or
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 sales of
stock of the Corporation  unless the Corporation  could,  under Paragraph (A) or
this Section 4,  purchase or  otherwise  acquire such shares at such time and in
such manner.

                  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 $100 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) 100 (as  appropriately
adjusted as set forth in subparagraph  (C) below to reflect such events as stock
splits, stock dividends and recapitalizations which 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 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  of 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 100 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 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 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.

                  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,  the Restated Certificate
of  Incorporation of the  Corporation,  as amended,  shall not 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.

                  THIRD:  That the Restated  Certificate of Incorporation of the
Corporation, as amended, is amended so that the designation and number of shares
of Series A Junior  Participating  Preferred  Stock acted upon in the  foregoing
resolutions, and the relative rights, preferences and limitations of such series
of authorized preferred stock, are as stated in said resolutions.

                  IN WITNESS WHEREOF,  Dendrite  International,  Inc. has caused
this Certificate to be signed by its Senior Vice President, Michael G. Atieh and
attested by its Secretary,  Christine A. Pellizzari,  this 20th day of February,
2001.



                                                      MICHAEL G. ATIEH
                                                      __________________________
                                                      Michael G. Atieh


Attest:


CHRISTINE A. PELLIZZARI
___________________________
Christine A. Pellizzari