DERMA SCIENCES INC
8-K, 1998-07-10
PHARMACEUTICAL PREPARATIONS
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                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

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


                                    FORM 8-K


                 CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934



         Date of Report (Date of earliest event reported): July 8, 1998




                              DERMA SCIENCES, INC.
             (Exact name of registrant as specified in its charter)





      Pennsylvania                  1-31070                     23-2328753
(State or other jurisdiction      (Commission                 (IRS employer
     of incorporation)            File Number)            identification number)







                         214 Carnegie Center, Suite 100
                               Princeton, NJ 08540
                                 (609) 514-4744
                    (Address including zip code and telephone
                     number, of principal executive offices)






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<PAGE>


ITEM 5.  OTHER EVENTS

      Derma Sciences,  Inc. (the  "Registrant") on July 8, 1998 closed a private
placement of Convertible  Debentures  ("Debentures") in which an aggregate of $4
million was raised.  Terms of the  Debentures  require that upon approval of the
Registrant's  shareholders  of a new  class of  Series B  Convertible  Preferred
Shares ("Preferred Stock"), the Debentures will automatically convert into units
("Unit(s)"), as hereafter defined, at the rate of $1.20 per Unit. Each Unit will
consist of one share of  Preferred  Stock  convertible  into one share of Common
Stock and one  warrant  ("Warrant(s)")  to  purchase  one share of Common  Stock
exercisable  at $1.35 per share.  The  Registrant  expects  to seek  shareholder
approval  for  creation  of  the  Preferred   Stock  at  a  special  meeting  of
shareholders which is anticipated to occur in August, 1998.

      Purchasers in the offering include Hambrecht & Quist, San Francisco, Galen
Associates,  New York,  BlueStone Captial  Partners,  L.P., New York and Redwood
Asset Management,  Oslow, Norway, as well as certain of the foregoing firms' and
Registrant's executives and associates. Proceeds from the private placement will
be used for working capital and, where appropriate, strategic acquisitions.

      The Debentures have not been  registered  under the Securities Act of 1933
(the  "Act")  and  may be  offered  or  sold  in the  United  States  only  upon
registration or pursuant to an exemption from  registration.  The Registrant has
undertaken to file a  registration  statement  under the Act to permit resale of
the Common  Stock  issuable  upon  conversion  of the  Preferred  Stock and upon
exercise of the Warrants.

      The terms and  conditions  governing the offer and sale of the  Debentures
are  contained  in the form of  Purchase  Agreement  attached  hereto as exhibit
10.01. The obligations of the Registrant with respect to the registration  under
the Act of its Common Stock issuable upon  conversion of the Preferred Stock and
upon exercise of the Warrants are described in the form of  Registration  Rights
Agreement  attached  hereto as exhibit 10.02.  The rights and preferences of the
Preferred  Stock  which,  together  with the  Warrants,  comprise  the Units are
described in the form of Certificate of Designations, Voting Powers, Preferences
and  Rights of the  Series B  Convertible  Preferred  Stock  attached  hereto as
exhibit 10.03. Terms governing the issuance and exercise of the Warrants are set
forth in the form of Warrant Agreement  attached hereto as exhibit 10.04.  Terms
governing the rights and  responsibilities  of the holders of the Debentures are
set forth in the form of Convertible Debenture attached hereto as exhibit 10.05.





                                       2

<PAGE>


ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS

         (a)    Not applicable
         (b)    Not applicable
         (c)    Exhibits:

                Number  Description
                ------  -----------
                10.01   Form of Purchase Agreement.

                10.02   Form of Registration Rights Agreement.

                10.03   Form of  Certificate  of  Designations,  Voting  Powers,
                        Preferences  and  Rights  of the  Series  B  Convertible
                        Preferred Stock.

                10.04   Form of Warrant Agreement

                10.05   Form of Convertible Debenture




                                       3
<PAGE>



         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  registrant  has  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.


                                    DERMA SCIENCES, INC.



Date:  July 9, 1998                 By:/s/  Stephen T.Wills, CPA, MST
                                      --------------------------------
                                      Vice President and Chief Financial Officer














                                       4




                               PURCHASE AGREEMENT

                  THIS PURCHASE  AGREEMENT (this  "Agreement") is made as of the
___ day of  June,  1998 by and  between  Derma  Sciences,  Inc.,  a  corporation
organized under the laws of the  Commonwealth of Pennsylvania  (the  "Company"),
with its principal  offices at 214 Carnegie Center,  Suite 100,  Princeton,  New
Jersey  08540,  and the  purchaser  whose  name and  address is set forth on the
signature page hereof (the "Purchaser").

                  IN  CONSIDERATION  of the mutual  covenants  contained in this
Agreement, the Company and the Purchaser agree as follows:

                  SECTION  1.  Designation  and  Authorization  of  Sale  of the
Debentures and Units. Subject to the terms and conditions of this Agreement, the
Company has authorized the sale of up to $4,000,000  aggregate  principal amount
of the Company's Convertible Debentures due October 15, 1998 (the "Debentures").
The  Debentures  will bear  interest  on, and  subject  to, the terms  described
therein  beginning  on the 120th day from the date hereof if the Company has not
obtained  authorization for the issuance of the Preferred Shares. The Debentures
shall  convert  automatically  and without  action by the holder  thereof on the
Authorization  Date (as  defined  herein)  into such number of Units (as defined
herein) as shall result  assuming a purchase price of $1.20 per Unit.  Each Unit
(the "Unit") shall consist of one share of Series B Convertible Preferred Stock,
par value $.01 per share (the "Preferred  Shares"),  and one exchangeable common
stock  purchase  warrant  (the   "Warrants").   Each  Preferred  Share  will  be
convertible  into one share (the  "Conversion  Shares") of the Company's  common
stock, par value $.01 per share (the "Common  Stock"),  upon the terms set forth
in the Certificate of  Designations,  Rights,  Preferences and Privileges of the
Series B  Convertible  Preferred  Stock  (the  "Certificate  of  Designations"),
attached  as Exhibit C to the  Confidential  Private  Placement  Memorandum  (as
defined in Section  4.6  hereof.)  Each  Warrant  shall be issued  pursuant to a
Warrant  Agreement (the "Warrant  Agent  Agreement")  substantially  in the form
included as Exhibit D to the Confidential Private Placement  Memorandum.  On its
face each Warrant will be exchangeable for such number of shares of common stock
(the  "Warrant  Shares")  obtained  by  dividing  (x) the  value of the  Warrant
(determined by subtracting the aggregate  exercise price of the Warrant from the
aggregate  fair market  value of the number of shares of Common  Stock  issuable
upon  exercise of the  Warrant),  by (y) the fair  market  value of one share of
Common Stock prior to the exchange.  Each Warrant will also be  exercisable  for
one share of Common Stock at an initial  exercise  price of $1.35 per share (the
"Warrant  Price").  The  Conversion  Shares and the Warrant  Shares are referred
herein as the "Underlying Common Shares."

                  SECTION 2.  Agreement to Sell and  Purchase the Units.  (a) At
the Closing (as defined in Section 3), the Company  will sell to the  Purchaser,
and the  Purchaser  will buy from the  Company,  upon the terms  and  conditions
hereinafter set forth, Debentures in the aggregate principal amount shown below:

                                $_______________

                  (b) The  Company  proposes  to enter  into  this  same form of
purchase  agreement with certain other  investors (the "Other  Purchasers")  and
expects to complete sales of the Debentures to them. The Purchaser and the Other


                                       1
<PAGE>

Purchasers  are   hereinafter   sometimes   collectively   referred  to  as  the
"Purchasers,"  and this  Agreement  and the  agreements  executed  by the  Other
Purchasers  are   hereinafter   sometimes   collectively   referred  to  as  the
"Agreements." The term "Documents" shall mean this Agreement, the Certificate of
Designations  and the Warrant Agent Agreement,  collectively,  together with any
schedules or exhibits thereto.

                  (c) The Company reserves the right to reject this subscription
for  Debentures  in whole or in part at any time  before  the  Closing  Date (as
defined  below)  notwithstanding  prior  receipt by the  Purchaser  of notice of
acceptance  of his  subscription,  if the Company deems such action to be in its
best interests.

                  SECTION 3.  Delivery of the  Debentures  at the  Closing.  The
completion  of the purchase and sale of the  Debentures  (the  "Closing")  shall
occur at a place and time (the "Closing  Date") to be determined by the Company,
and of which the  Purchasers  will be  notified  by  facsimile  transmission  or
otherwise. At the Closing, the Company shall deliver to the Purchaser (i) one or
more Debenture certificates  registered in the name of the Purchaser, or in such
nominee  name(s) as  designated  by the  Purchaser,  representing  the principal
amount set forth in Section 2 above in such nominee  name(s)  designated  by the
Purchaser as set forth in the Debenture/Stock/Warrant  Certificate Questionnaire
attached hereto as part of Appendix I. The Company's  obligation to complete the
purchase and sale of the Debentures and deliver such Debenture certificate(s) to
the  Purchaser  at the  Closing  shall be subject to receipt of Federal  Reserve
(same-day)  funds in the full amount of the  purchase  price for the  Debentures
being purchased hereunder. The Purchaser's obligation to accept delivery of such
Debenture  certificate(s)  and to pay for the Debentures shall be subject to the
condition  that the Company  shall have (a) entered into a  Registration  Rights
Agreement  in  the  form  of  Appendix  III  hereto  (the  "Registration  Rights
Agreement") and (b) the accuracy in all material respects of the representations
and warranties  made by the Company  herein and the  fulfillment in all material
respects of those  undertakings of the Company to be fulfilled prior to Closing.
The Purchaser's obligations hereunder are not conditioned on the purchase by any
or all of the Other  Purchasers  of the  Debentures  that  they  have  agreed to
purchase  from the  Company.  The parties  agree that there may be more than one
Closing; provided, that any subsequent Closing must be held within seven days of
the initial Closing Date.

                  SECTION 4. Representations, Warranties and  Covenants  of  the
Company.  The Company hereby represents and warrants to, and covenants with, the
Purchaser as follows:

                  4.1.  Organization and Qualification.  Each of the Company and
its subsidiaries is a corporation  duly organized,  validly existing and in good
standing  under  the  laws  of its  jurisdiction  of  incorporation  and has all
requisite  corporate  power and  authority  to conduct its business as currently
conducted.  Each of the Company and its subsidiaries is qualified to do business
as a foreign  corporation and is in good standing in each  jurisdiction in which
the failure to so qualify would have a material adverse effect on the operations
of the Company and its subsidiaries, taken as a whole.

                  4.2.  Authorized  Capital  Stock.  As of the date hereof,  the
authorized  capital stock of the Company  consists of: (a) 15,000,000  shares of
Common Stock of which 4,567,632 shares are outstanding, and (b) 1,750,000 shares
of Series A  Convertible  Preferred  Stock of which  all  1,750,000  shares  are
outstanding.

                                       2
<PAGE>

                  4.3.  Due   Execution,   Delivery  and   Performance   of  the
Agreements.  The  Company  has full  power  and  authority  to enter  into  this
Agreement and each Document.  This Agreement has been, and each Document and the
Debentures will be, duly authorized,  executed and delivered by the Company. The
Company's execution,  delivery and performance of this Agreement, the Debentures
and each Document will not violate (i) any law, rule or regulation applicable to
the Company or any of its  subsidiaries or (ii) the Certificate of Incorporation
or Bylaws of the Company or any of its  subsidiaries  or (iii) any  provision of
any material  indenture,  mortgage,  agreement,  contract or other instrument to
which the Company or any of its  subsidiaries is a party or by which the Company
or any of its  subsidiaries or any of their  properties or assets is bound as of
the date hereof, or result in a breach of or constitute (upon notice or lapse of
time or both) a default under any such material indenture,  mortgage, agreement,
contract or other  instrument  or result in the  creation or  imposition  of any
lien, security interest,  mortgage, pledge, charge or other encumbrance upon any
properties or assets of the Company or any of its  subsidiaries,  except, in the
case of such clause  (iii),  where such  violation,  breach or default would not
have a material adverse effect on the business, properties, prospects, condition
(financial or otherwise),  net worth or results of operations of the Company and
its  subsidiaries  taken as a whole (a "Material  Adverse  Effect").  Upon their
execution and delivery  (assuming the valid execution  thereof by the respective
parties thereto other than the Company),  this Agreement,  the Documents and the
Debentures  will  constitute  valid  and  binding  obligations  of the  Company,
enforceable in accordance with their respective terms,  except as enforceability
may be limited by applicable bankruptcy, insolvency, reorganization,  moratorium
or similar laws affecting  creditors' and contracting  parties' rights generally
and except as  enforceability  may be subject  to general  principles  of equity
(regardless  of whether such  enforceability  is  considered  in a proceeding in
equity or at law).

                  4.4.  Issuance,  Sale and  Delivery  of the  Debentures.  When
executed and delivered by the Company, the Debentures, will constitute valid and
legally binding  obligations of the Company  enforceable  against the Company in
accordance  with  their  terms,  except  as  enforceability  may be  limited  by
applicable bankruptcy,  insolvency,  reorganization,  moratorium or similar laws
affecting  creditors' and  contracting  parties  rights  generally and except as
enforceability  may be subject to general  principles of equity  (regardless  of
whether such  enforceability is considered in a proceeding at equity or at law).
The principal amount outstanding under the Debentures will convert into Units in
accordance with their terms and the Preferred Shares and the Warrants comprising
such Units will have been  authorized and reserved for issuance  within 120 days
of the date hereof (the  "Authorization  Date") and when issued and delivered in
accordance with the terms of the Debentures  will be validly issued,  fully paid
and nonassessable.

                  4.5. Litigation. There is no action, suit or proceeding before
or by any  court or  governmental  agency  or body,  domestic  or  foreign,  now
pending,  or, to the knowledge of the Company,  threatened  against or affecting
the  Company  or  any  of  its  subsidiaries  which  are  not  described  in the
Confidential Private Placement Memorandum or documents incorporated by reference
therein and which might result in any material  adverse change in the condition,
financial  or  otherwise,  or in the  earnings,  business  affairs  or  business
prospects of the Company and its subsidiaries,  taken as a whole, or which might
materially  and  adversely  affect  their  property  or  assets  or which  might
materially and adversely affect the consummation of this Agreement and the other


                                       3
<PAGE>

Documents. All pending legal or governmental proceedings to which the Company or
any of its  subsidiaries  is a party or of which any of their property or assets
is the subject which are not  described in the  Confidential  Private  Placement
Memorandum (as defined below),  including ordinary routine litigation incidental
to the business, are, considered in the aggregate,  not material to the business
of the Company and its subsidiaries, taken as a whole.

                  4.6.     Additional  Information.   The information  contained
in the  following  documents is true and correct in all material  respects as of
their respective dates:

                        (a)     the Confidential  Private  Placement  Memorandum
                                dated  June 10,  1998 and all  exhibits  thereto
                                (the     "Confidential     Private     Placement
                                Memorandum");

                        (b)     the   Company's   definitive   Proxy   Statement
                                relative to its special  meeting of shareholders
                                held January 7, 1998;

                        (c)     the  Company's  Annual Report on Form 10-KSB for
                                the year ended December 31, 1997;

                        (d)     the  Company's  Quarterly  Report on Form 10-QSB
                                for the quarter ended March 31, 1998;

                        (e)     the Company's  Current  Report on Form 8-K dated
                                February 19, 1998;

                        (f)     the Company's  Current  Report on Form 8-K dated
                                April 16, 1998;

                        (g)     the   Company's   definitive   Proxy   Statement
                                relative to its annual  meeting of  shareholders
                                held May 12, 1998;

                        (h)     the Company's  Current  Report on Form 8-K dated
                                May 14, 1998; and

                        (i)     the Company's  Current  Report on Form 8-K dated
                                June 10, 1998.

                        (j)     the Company's Registration Statement on Form S-3
                                dated   February  10  and   declared   effective
                                February 19, 1998.

                  4.7. No Material Change; No Material Misstatement or Omission.
(a) Save as disclosed in the Confidential Private Placement Memorandum or in the
documents  filed by the  Company  under  the  Exchange  Act,  there  has been no
material adverse change in the  consolidated  financial  condition,  business or
results of operations of the Company since March 31, 1998.  Save as disclosed in
the Confidential  Private Placement  Memorandum or in the documents filed by the
Company under the Exchange Act, the Company has not incurred,  other than in the
ordinary course of its business, any material liabilities or obligations, direct
or contingent,  nor has the Company or any of its subsidiaries  purchased any of
their  outstanding  capital  stock,  nor paid or declared any dividends or other
distributions  on their  capital  stock;  and  there  has been no  change in the
capital  stock  or,  consolidated   long-term  debt  or,  any  increase  in  the
consolidated  short-term  borrowings  (other  than  in the  ordinary  course  of
business)  of the  Company  or any  material  adverse  change  to the  business,


                                       4
<PAGE>

properties,  assets,  net worth,  condition  (financial  or  other),  results of
operations or prospects of the Company and its subsidiaries, taken as a whole.

                  (b) As of the date thereof, the Confidential Private Placement
Memorandum,  including  all  addenda  and  exhibits  thereto  and all  documents
incorporated by reference  therein,  does not contain any untrue  statement of a
material fact or omit to state a material fact required to be stated  therein or
necessary  in  order  to  make  the  statements  therein,  in the  light  of the
circumstances under which they were made, not misleading.

                  4.8. Legal Opinion. Prior to closing, Hedger & Hedger, counsel
to the  Company,  will  deliver its legal  opinion to the Company in the form of
Appendix V hereto and stating  that each of the  Purchasers  may rely thereon as
though such opinion were addressed directly to such Purchaser.

                  4.9.  Issuance of Units.  The Company shall,  within three (3)
business days of the  Authorization  Date,  issue to Purchaser a certificate  or
certificates representing the number of securities comprising the Units to which
such Purchaser is entitled which  certificates  shall be legended as provided in
the  Debentures.  The Company  shall issue  Warrant  Shares upon exercise of the
Warrants in accordance  with the terms of the Warrant  Agreement  which shall be
legended as provided therein.  After the Registration  Statement (as defined) is
declared  effective  by the  Commission,  if any holder of legended  Warrants or
Underlying  Common  Shares  shall  deliver to the  Company  (i) the  certificate
representing  such  Warrants or  Underlying  Common  Shares and (ii) a letter of
representations to the effect of Sections 5(b) and (c) herein,  then the Company
shall within three  business  days after receipt by the Company of the foregoing
issue  new   Warrants  or   Underlying   Common   Shares  in  exchange  for  the
aforementioned  legended Warrants or Underlying Common Shares which new Warrants
or Underlying Common Shares shall be legended as follows:

        THE  SHARES/WARRANTS  REPRESENTED BY THIS  CERTIFICATE HAVE BEEN
        REGISTERED  UNDER THE  SECURITIES  ACT OF 1933, AS AMENDED.  THE
        SHARES/WARRANTS   MAY  BE  SOLD  PURSUANT  TO  THE  REGISTRATION
        STATEMENT  PROVIDED THAT THE HOLDER COMPLIES WITH THE PROSPECTUS
        DELIVERY  REQUIREMENTS  UNDER  THE  SECURITIES  ACT OF 1933,  AS
        AMENDED,  AND  THE  SALE  IS IN  COMPLIANCE  WITH  THE  PLAN  OF
        DISTRIBUTION  SET FORTH IN THE PROSPECTUS.  THE  SHARES/WARRANTS
        ARE  SUBJECT  TO CERTAIN  REGISTRATION  RIGHTS AS SET FORTH IN A
        REGISTRATION  RIGHTS AGREEMENT,  A COPY OF WHICH MAY BE OBTAINED
        FROM THE CORPORATION.

                  4.10. Certificate.  The Company shall deliver a certificate of
the Company  executed by the  Chairman of the Board or  President  and the chief
financial or accounting officer of the Company, to be dated the Closing Date, in
form  and  substance  satisfactory  to the  Purchasers  to the  effect  that the
representations  and  warranties  of the Company set forth in this Section 4 are
true and correct as of the date of this Agreement and as of the Closing Date and

                                       5
<PAGE>

the  Company  has  complied  with  all  the  agreements  and  satisfied  all the
conditions  on its part to be performed or satisfied on or prior to such Closing
Date.

                  4.11.  Authorization  Date.  The Company  agrees and covenants
with the Purchaser to use its best efforts to obtain the necessary authorization
for the issuance of the Preferred  Shares as soon as reasonably  possible and in
no event later than 120 days from the date hereof (the "Authorization Date").

                  SECTION 5.  Representations,  Warranties  and Covenants of the
Purchaser. (a) The Purchaser represents and warrants to, and covenants with, the
Company that: (i) the Purchaser is knowledgeable,  sophisticated and experienced
in making,  and is qualified to make,  decisions  with respect to investments in
shares  presenting an investment  decision like that involved in the purchase of
the Debentures,  including  investments in securities issued by the Company, and
has  requested,  received,  reviewed and  considered  all  information  it deems
relevant in making an informed  decision to purchase  the  Debentures;  (ii) the
Purchaser is acquiring the principal amount of Debentures set forth in Section 2
above  in the  ordinary  course  of its  business  and for its own  account  for
investment  (as  defined  for  purposes  of  the   Hart-Scott-Rodino   Antitrust
Improvement Act of 1976 and the regulations thereunder) only and with no present
intention of  distributing  any of such  Debentures,  Units,  Preferred  Shares,
Warrants or Underlying  Common Shares or any arrangement or  understanding  with
any other persons  regarding the  distribution  or purchase of such  Debentures,
Units,   Preferred   Shares,   Warrants  or   Underlying   Common  Shares  (this
representation  and  warranty  does  not  limit  the  Purchaser's  right to sell
pursuant to an  exemption  from  registration  or  pursuant to any  registration
statement  to be  filed  by the  Company  pursuant  to the  Registration  Rights
Agreement  or, other than with respect to any claims  arising out of a breach of
this representation and warranty, the Purchaser's right to indemnification under
the Registration  Rights  Agreement);  (iii) the Purchaser will not, directly or
indirectly,  offer, sell,  pledge,  transfer or otherwise dispose of (or solicit
any offers to buy, purchase or otherwise acquire or take a pledge of) any of the
Debentures, Units, Preferred Shares, Warrants or Underlying Common Shares except
in  compliance  with the  Securities  Act of 1933,  as amended (the  "Securities
Act"),  and the rules and  regulations  promulgated  thereunder and the Exchange
Act, and the rules and  regulations  promulgated  thereunder,  and the terms and
conditions of this  Agreement;  (iv) the Purchaser has completed or caused to be
completed    the     Registration     Statement     Questionnaire     and    the
Debenture/Stock/Warrant  Certificate  Questionnaire,  both  attached  hereto  as
Appendix I, for use in preparation of the Registration Statement and the answers
thereto are true and correct to the best  knowledge  of the  Purchaser as of the
date  hereof  and  will be true  and  correct  as of the  effective  date of the
Registration  Statement;  (v) the Purchaser has, in connection with its decision
to purchase the  principal  amount of  Debentures  set forth in Section 2 above,
relied  solely  upon  the  Confidential  Private  Placement  Memorandum  and the
representations  and warranties of the Company contained in writing herein,  and
has not relied upon any other statements, representations, warranties, covenants
or assurances of the Company,  (vi) the  Purchaser is an  "accredited  investor"
within the meaning of Rule 501 of Regulation D promulgated  under the Securities
Act  ("Regulation  D"); and (vii) the Purchaser  understands that the Debentures
and the  Preferred  Shares and,  except as  provided in Section 4.9 hereof,  the
Warrants and the Underlying Common Shares will contain a legend to the following
effect (provided that  certificates for the Preferred Shares shall omit the last
sentence thereof):


                                       6
<PAGE>

                  THE SECURITIES  REPRESENTED BY THIS  CERTIFICATE HAVE NOT BEEN
                  REGISTERED  UNDER THE SECURITIES ACT OF 1933, AS AMENDED.  THE
                  SECURITIES  HAVE BEEN ACQUIRED FOR  INVESTMENT  AND MAY NOT BE
                  SOLD,  TRANSFERRED  OR  ASSIGNED  IN THE  ABSENCE OF EITHER AN
                  EFFECTIVE  REGISTRATION  STATEMENT  FOR THESE SHARES UNDER THE
                  SECURITIES  ACT OF 1933, AS AMENDED,  OR AN OPINION OF COUNSEL
                  THAT  REGISTRATION  IS NOT  REQUIRED  UNDER  SAID  ACT.  THESE
                  SECURITIES ARE SUBJECT TO CERTAIN  REGISTRATION  RIGHTS AS SET
                  FORTH IN A REGISTRATION RIGHTS AGREEMENT,  A COPY OF WHICH MAY
                  BE OBTAINED FROM THE COMPANY.

                  (b) The Purchaser  hereby  covenants  with the Company that it
will not directly or indirectly make any offer, sale, pledge,  transfer or other
disposition of the Debentures,  the Units, the Preferred Shares, the Warrants or
the  Underlying  Common  Shares  other than in  accordance  with all  applicable
federal  and  state  securities  laws  and  the  terms  and  conditions  of this
Agreement, including, but not limited to, the other representations,  warranties
and covenants of the Purchaser in this Section 5.

                  (c) The  Purchaser  hereby  covenants  with the Company not to
make  any  sale  of  the  Warrants  or  the  Underlying  Common  Shares  without
effectively causing the prospectus delivery requirement under the Securities Act
to be satisfied, and the Purchaser acknowledges and agrees that the Warrants and
the Underlying  Common Shares are not  transferable  on the books of the Company
unless the certificate  submitted to the transfer agent  evidencing the Warrants
or  the  Underlying  Common  Shares  is  accompanied  by  a  separate  officer's
certificate:  (i) in the form of Appendix IV hereto, (ii) executed by an officer
of, or other authorized  person  designated by, the Purchaser,  and (iii) to the
effect that (A) the Underlying Common Shares have been sold in accordance with a
Registration   Statement  and  (B)  the  requirement  of  delivering  a  current
prospectus has been satisfied.

                  (d) The  Purchaser  further  represents  and  warrants to, and
covenants  with,  the Company  that (i) the  Purchaser  has full  right,  power,
authority  and  capacity  to enter into this  Agreement  and to  consummate  the
transactions contemplated hereby and has taken all necessary action to authorize
the execution,  delivery and  performance of this  Agreement,  and (ii) upon the
execution and delivery of this  Agreement,  this  Agreement  shall  constitute a
valid and binding obligation of the Purchaser enforceable in accordance with its
terms,  except  as  enforceability  may be  limited  by  applicable  bankruptcy,
insolvency, reorganization,  moratorium or similar laws affecting creditors' and
contracting  parties'  rights  generally  and  except as  enforceability  may be
subject  to  general   principles   of  equity   (regardless   of  whether  such
enforceability is considered in a proceeding in equity or at law).

                  (e) The Purchaser  acknowledges that it has had such access to
financial and other  information  concerning the Company,  the  Debentures,  the
Units,  the  Preferred  Shares  and  the  Warrants  as it  deemed  necessary  in
connection  with its  decision to purchase  the  Debentures  and the  underlying


                                       7
<PAGE>

Preferred Shares and the Warrants, including an opportunity to ask questions and
request  information  from the Company and its management and all such questions
have been  answered  and all  information  requested  has been  provided  to the
satisfaction  of the  Purchaser and has not relied on any third party to conduct
due diligence.

                  (f) If the  Purchaser  proposes  to sell,  pledge,  assign  or
otherwise transfer or convey, directly or indirectly, any of the Debentures, the
Units,  Preferred Shares,  the Warrants or the Underlying Common Shares prior to
the date that the Registration  Statement becomes effective,  then the Purchaser
shall  provide the  Company,  prior to the sale of any such  Debentures,  Units,
Preferred  Shares,  the Warrants or the  Underlying  Common  Shares with a legal
opinion in form and  substance  satisfactory  to the  Company  of legal  counsel
satisfactory  to the Company  that such sale,  pledge,  assignment,  transfer or
conveyance is exempt from the registration requirements under the Securities Act
and any applicable state securities and blue sky laws.

                  SECTION 6. Additional Interest. The Company and the Purchasers
agree that the  holders of the  Debentures  will  suffer  damages if the Company
fails to promptly, but in no event later than the Authorization Date, obtain the
necessary  authorization  for the issuance of the Preferred Stock comprising the
Units and the additional  shares of Common Stock  underlying  the Warrants,  and
that it would not be  feasible  to  ascertain  the extent of such  damages  with
precision.  The Company agrees that if it has failed within 120 days of the date
hereof to obtain the necessary  authorization  it shall pay additional  interest
("Additional  Interest") on the Debentures.  Additional Interest shall accrue on
the principal  amount of the Debentures  over and above the stated interest at a
rate of 6.0% per annum and such  Additional  Interest  rate shall  increase at a
rate of an additional 1.5% per annum at the beginning of each subsequent  90-day
period.

                  SECTION  7.  Survival  of   Representations,   Warranties  and
Agreements.  Notwith-standing  any  representation  made  by any  party  to this
Agreement, all covenants, agreements, representations and warranties made by the
Company and the  Purchaser  in writing  herein and in the  closing  certificates
delivered  pursuant  hereto shall survive the execution of this  Agreement,  the
delivery to the  Purchaser of the  Debentures  being  purchased  and the payment
therefor.

                  SECTION  8.  Registration  of  Underlying  Common  Shares.  In
recognition of the fact that Purchasers, even though purchasing Preferred Shares
and  Warrants  for  investment,  may wish to be  legally  permitted  to sell the
Underlying Common Shares when they deem  appropriate,  the Company has agreed to
use its best  efforts to prepare  and file with the  Commission  a  Registration
Statement  (the  "Registration  Statement")  with  respect  to the resale of the
Underlying  Common Shares from time to time through the Nasdaq SmallCap  Market,
the  Boston  Stock  Exchange,   Pacific  Exchange  or  in   privately-negotiated
transactions all as described more fully in the Registration Rights Agreement.

                  SECTION 9.  Broker's  Fee.  Each of the parties  hereto hereby
represents  that, on the basis of any actions and agreements by it, there are no
brokers or finders  entitled to  compensation in connection with the sale of the
Debentures, the Units, the Preferred Shares and the Warrants to the Purchaser.


                                       8
<PAGE>

                  SECTION 10. Notices. All notices, requests, consents and other
communications  hereunder  shall be in writing,  shall be by telecopier,  with a
copy being mailed by a nationally  recognized  overnight  express  courier,  and
shall be deemed  given when  receipt is  acknowledged  by transmit  confirmation
report and shall be addressed as follows:

                        (a)     if to the Company, to:

                                    Derma Sciences, Inc.
                                    214 Carnegie Center, Suite 100
                                    Princeton, New Jersey  08540
                                    Telephone:  (800) 825-4325
                                    Telecopier:  (609) 452-0880

                                or to such other  person at such other  place as
                                the Company shall  designate to the Purchaser in
                                writing;

                        (b)     if  to  the   Purchaser,   at  its  address  and
                                telecopier  number  as set  forth  at the end of
                                this  Agreement,  or at such  other  address  or
                                addresses  as may  have  been  furnished  to the
                                Company in writing.

                  SECTION 11.       Changes.  This Agreement may not be modified
or amended except pursuant to an instrument in writing signed by the Company and
the Purchaser.

                  SECTION 12.       Headings.   The  headings  of   the  various
sections of this Agreement have been inserted for  convenience of reference only
and shall not be deemed to be part of this Agreement.

                  SECTION 13.  Severability.  In case any provision contained in
this Agreement should be invalid,  illegal or unenforceable in any respect,  the
validity,  legality and  enforceability  of the remaining  provisions  contained
herein shall not in any way be affected or impaired thereby.

                  SECTION 14.       Governing  Law.  This   Agreement   shall be
governed by and construed in  accordance  with the laws of the State of New York
(without  reference  to its rules as to conflicts of law) and the federal law of
the United States of America.

                  SECTION 15.  Counterparts.  This  Agreement may be executed in
two or more counterparts, each of which shall constitute an original, but all of
which,  when taken  together,  shall  constitute but one  instrument,  and shall
become  effective when one or more  counterparts  have been signed by each party
hereto and delivered to the other parties.  Facsimile  signatures are considered
to be originals and shall have the same effect.

                                       9
<PAGE>

                  SECTION 16. Entire  Agreement.  This  Agreement is intended by
the  parties as a final  expression  of their  agreement  and  intended  to be a
complete and  exclusive  statement of the  agreement  and  understanding  of the
parties hereto in respect of the subject matter contained herein. This Agreement
supersedes  all prior  agreements  and  understandings  between the parties with
respect to such subject matter.




                                       10
<PAGE>


                  IN WITNESS WHEREOF, the Purchaser has caused this Agreement to
be executed by its duly authorized  representative  as of the day and year first
above written.

Print or Type:           Name of Purchaser
                         (Individual or Institution):

                         ______________________________

                         Name of Individual representing
                         Purchaser (if an Institution):


                         ______________________________


                         Title of Individual representing
                         Purchaser (if an Institution):

                         ______________________________

Signature by:
                         Individual Purchaser or Individual
                         representing Purchaser:


                         ______________________________


                         Address:

                         ______________________________

                         ______________________________




                         Telephone:____________________

                         Telecopier:___________________


                         ACCEPTED AND AGREED TO
                         THIS ___ DAY OF JUNE, 1998:

                         DERMA SCIENCES, INC.


                         By:__________________________
                                Edward J. Quilty
                                Chairman



                                       11
<PAGE>




                                                                    Appendix I-A


                              DERMA SCIENCES, INC.
                DEBENTURE/STOCK/WARRANT CERTIFICATE QUESTIONNAIRE


         Pursuant  to  Section 3 of the  Agreement,  please  provide us with the
following information:


1.      The exact name that your Debentures are to be
        registered in (this is the name that will appear on
        your certificate(s)).  You may use a nominee name if
        appropriate:
                                                     ---------------------------



2.      The relationship  between the Purchaser 
        and the Registered Holder listed
        in response to item 1:
                                                     ---------------------------


3.      The mailing address of the  Registered
        Holder listed in response to item 1 above:
        
                                                     ---------------------------

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

4.      The Social Security Number or Tax 
        Identification Number of the 
        Registered Holder listed in response
        to item 1 above:
                                                      --------------------------



<PAGE>


                                                                    Appendix I-B


                              DERMA SCIENCES, INC.
                      REGISTRATION STATEMENT QUESTIONNAIRE


                  In  connection  with  the  preparation  of  the   Registration
Statement, please provide us with the following information:


                  1.  Please  state  the  name of the  beneficial  owner  of the
Debentures  to be  purchased  pursuant to the  Purchase  Agreement to which this
Appendix  I-2 is  attached.  This is the name that will  appear in the  "Selling
Securityholder" section of the Registration Statement.













                  2. Please provide below the number of: (1) Units  purchased by
the person or entity named in Item 1 above;  (2) Preferred  Shares  purchased by
the person or entity named in Item 1 above; (3) Warrants purchased by the person
or entity named in Item 1 above;  and (4) shares of Common Stock that the person
or entity named in Item 1 above owned at June 10, 1998:


      (1)                    (2)             (3)                   (4)
Number of Units           Number of        Number of       Number of Shares of
  Purchased           Preferred Shares     Warrants       Common Stock Owned at
                         Purchased        Purchased           June 10, 1998




<PAGE>


                                                                    Appendix I-B

                  3. Unless you check the following box, all  Underlying  Common
Shares  relating to the Preferred  Shares and the Warrants  listed above will be
included in the Registration Statement.


                                      [__]


If you checked the foregoing box,  please  indicate a lesser number of Preferred
Shares or  Warrants  to be used to  determine  the number of  Underlying  Common
Shares to be included in the Registration Statement.











                  4. Have you, your  organization or the beneficial  owner named
above had any position,  office or other material  relationship  within the past
three years with the Company or its  affiliates  other than as  disclosed in the
Prospectus included in the Registration Statement?

                             ____ Yes    ____ No

                  If yes, please  indicate the nature of any such  relationships
below:











<PAGE>


                                                                     Appendix II

                                CONVERSION NOTICE

                         URGENT/FOR IMMEDIATE ATTENTION

                                  ADDRESSED TO:

                            DERMA SCIENCES, INC.
                            214 CARNEGIE CENTER, SUITE 100
                            PRINCETON, NEW JERSEY  08540
                            TELEPHONE: (800) 825-4325
                            TELECOPIER: (609) 452-0880

Name of Nominee or Registered Holder:

 ................................................................................
(Print)

Telecopier  number to which  confirmation of receipt of this  Conversion  Notice
should be sent:

 ................................................................................
(Print)

Number of shares of Preferred Stock being converted hereby: ____________________

If you want the Common Stock  certificate,  if any, made out in another person's
name, fill in the form below:

                    (INSERT OTHER PERSON'S SOCIAL SECURITY OR
                  TAX IDENTIFICATION NUMBER, WHERE APPLICABLE)

                  ============================================

                  ============================================

 ................................................................................

 ................................................................................

 ................................................................................

 ................................................................................
(Print or type assignee's name, title, address and zip code)

Date:...........................................................................

Your
Signature:......................................................................


<PAGE>



                                                                    Appendix III

                          REGISTRATION RIGHTS AGREEMENT



                            PLEASE REFER TO EXHIBIT B

                                     OF THE

                    CONFIDENTIAL PRIVATE PLACEMENT MEMORANDUM


<PAGE>



                                                                     Appendix IV

Attention:
                   PURCHASER'S CERTIFICATE OF SUBSEQUENT SALE

         The undersigned, [an officer of, or other person duly authorized by]

________________________________________________________________________________
              [fill in official name of individual or institution]

hereby certifies that he/she [said institution] is the Purchaser of  the shares/

warrants evidenced by the attached certificate, and as  such, sold such  shares/

warrants on _____________________________________in accordance with registration
              [date]
statement number _______________________________________________________________
                 [fill in number or otherwise identify registration statement]
and the requirement of delivering a current prospectus and  current  annual  and

quarterly  reports by the Company has been complied with in connection with such
sale.

Print or Type:

                  Name of Purchaser
                    (Individual or
                     Institution):______________________________________________

                  Name of Individual
                   representing Purchaser
                   (if an Institution):_________________________________________


                  Title of Individual
                   representing Purchaser
                   (if an Institution):_________________________________________


Signature by:

                  Individual Purchaser
                    or Individual
                    representing
                    Purchaser:__________________________________________________



<PAGE>



                                                                      APPENDIX V


                    FORM OF OPINION OF COUNSEL TO THE COMPANY

         1. The Company is a corporation duly organized, validly existing and in
good standing under the laws of its  jurisdiction of  incorporation  and has all
requisite  corporate  power and  authority  to conduct its business as currently
conducted.

         2. As of the date hereof,  the authorized  capital stock of the Company
consists of (i) fifteen million  (15,000,000)  shares of common stock, par value
$.01 per share ("Common  Stock"),  of which 4,567,632  shares are validly issued
and  outstanding.  To such  counsel's  knowledge,  except  as set  forth  in the
Confidential Private Placement Memorandum,  there are no outstanding  securities
exercisable for or convertible into shares of capital stock of the Company.

         3.  The  Debentures  to be  issued  and  sold  by  the  Company  to the
Purchasers  will be, upon issuance and payment  therefor,  duly  authorized  and
validly  issued and  legally  binding  obligations  of the  Company  enforceable
against it in accordance  with their terms and entitled to be benefits  thereof.
The principal amount outstanding under the Debentures will convert into Units in
accordance with their terms on the Authorization Date.

         4. The Company has full  corporate  power and  authority  to enter into
this Agreement and each Document. This Agreement has been, and each Document and
the Debentures will be, duly authorized,  executed and delivered by the Company.
The  Company's  execution,  delivery  and  performance  of this  Agreement,  the
Debentures  and  each  Document  will  not  violate  (i)  any  statute,  rule or
regulation  known  to  such  counsel  to be  applicable  to the  Company  or its
subsidiaries, (ii) to the best of such counsel's knowledge, any order, judgment,
ruling or decree of any court or any governmental,  regulatory or administrative
body applicable to the Company or any of its subsidiaries, (iii) the Certificate
of  Incorporation  or  Bylaws  of the  Company,  or (iv)  any  provision  of any
indenture,  mortgage,  agreement,  contract  or  other  instrument  filed by the
Company with (A) its quarterly  report on Form 10-QSB for the  quarterly  period
ended March 31, 1998,  (B) filed by the Company  with its Annual  Report on Form
10-KSB for the year ended  December  31,  1997,  and (C) all other  Exchange Act
Documents or result in a breach of or  constitute  (upon notice or lapse of time
or both) a default under any thereof, or result in the creation or imposition of
any lien, security interest,  mortgage, pledge, charge or other encumbrance upon
any  properties or assets of the Company or any of its  subsidiaries,  except in
the case of the  foregoing  clauses  (i),  (ii) and (iv) for  those  violations,
breaches or defaults which would not singly or in the aggregate, have a Material
Adverse Effect.  Upon their execution and delivery (assuming the valid execution
thereof  by the  respective  parties  thereto  other  than  the  Company),  this
Agreement,  the Documents and the Debentures will  constitute  valid and binding
obligations  of the Company,  enforceable  in accordance  with their  respective
terms,  except  as  enforceability  may be  limited  by  applicable  bankruptcy,
insolvency, reorganization,  moratorium or similar laws affecting creditors' and
contracting  parties'  rights  generally  and  except as  enforceability  may be
subject  to  general   principles   of  equity   (regardless   of  whether  such
enforceability is considered in a proceeding in equity or at law).


<PAGE>


         5.  Except  as  described  in  the   Confidential   Private   Placement
Memorandum,  to such counsel's  knowledge (without  independent  investigation),
there is no action,  suit or proceeding  before or by any court or  governmental
agency or body,  domestic or foreign,  now pending,  or  threatened,  against or
affecting the Company or any of its subsidiaries  which might,  singly or in the
aggregate,  have a  Material  Adverse  Effect,  or which  might  materially  and
adversely affect the consummation of this Agreement and the other Documents;  to
such counsel's knowledge without independent  investigation all pending legal or
governmental  proceedings to which the Company or any of its  subsidiaries  is a
party or of which any of their  property or assets is the subject  which are not
described in the Confidential Private Placement  Memorandum,  including ordinary
routine litigation incidental to the business, are, considered in the aggregate,
not  material to the  business of the Company and its  subsidiaries,  taken as a
whole.

         6. To such counsel's knowledge,  no consent,  approval,  authorization,
order,  registration,  filing,  qualification,  license or permit of or with any
court  or  any  public,  governmental,  or  regulatory  agency  or  body  having
jurisdiction  over  the  Company  or  any of its  subsidiaries  or any of  their
respective  properties  or assets is required  for the  execution,  delivery and
performance  of  this  Agreement  or  the   consummation  of  the   transactions
contemplated  hereby,  except  for  such  as  may be  required  by  under  state
securities or Blue Sky laws in connection with the purchase and  distribution of
the Debentures (as to which counsel expresses no opinion).



                          REGISTRATION RIGHTS AGREEMENT


        THIS REGISTRATION RIGHTS AGREEMENT (the "Agreement") is made and entered
into as of June 15, 1998 by and between  Derma  Sciences,  Inc., a  Pennsylvania
corporation  (the  "Company"),  and the purchaser  whose name and address is set
forth on the signature page hereof (the "Purchaser").

        This Agreement is made pursuant to the Purchase  Agreement,  dated as of
June 15, 1998 between the Company and the Purchaser (the "Purchase  Agreement").
In order to induce the  Purchaser  to enter  into the  Purchase  Agreement,  the
Company  has agreed to provide for the  benefit of the  Purchaser  and the Other
Purchasers  (as defined below) of the  Debentures  (as defined  below),  and any
subsequent   holders  of  Registrable   Securities  (as  defined   below),   the
registration rights set forth in this Agreement. The execution of this Agreement
is a condition to the closing under the Purchase Agreement.

        The  Company  proposes  to enter  into  substantially  this same form of
registration   rights   agreement  with  certain  other  investors  (the  "Other
Purchasers")  and  expects to  complete  sales of  Preferred  Shares (as defined
below) and  Warrants (as defined  below) to them.  The  Purchaser  and the Other
Purchasers  are   hereinafter   sometimes   collectively   referred  to  as  the
"Purchasers," and this Agreement and the registration rights agreements executed
by the Company and the Other Purchasers are hereinafter  sometimes  collectively
referred to as the "Agreements."

        The parties hereby agree as follows:

1.      Definitions

        As used in this Agreement,  the following  capitalized  terms shall have
the following meanings:

                Authorization  Date:  Has the meaning  such term is given in the
        Purchase Agreement.

                Certificate   of   Designations:   Means  the   Certificate   of
        Designations,  Rights,  Preferences  and  Privileges  of  the  Series  B
        Convertible  Stock,  attached as Exhibit C to the  Confidential  Private
        Placement Memorandum.

                Closing Date: Has the meaning such term is given in the Purchase
        Agreement.

                Common  Stock:  The shares of common  stock,  par value $.01 per
        share of the Company.

                Confidential  Private  Placement  Memorandum:  The  Confidential
        Private Placement Memorandum dated June 10, 1998 prepared by the Company
        in connection with the private placement of the Debentures.


                                       1
<PAGE>

                Conversion  Notice:  Has the  meaning  such term is given in the
        Certificate of Designations.

                Conversion Ratio: The Conversion Ratio has the meaning such term
        is given in the Certificate of Designations.

                Conversion  Shares:  Shares of Common  Stock  issuable  upon the
        conversion of the Preferred Shares.  Each Preferred Share initially will
        be convertible into one Conversion Share.

                Debentures: The Company's Convertible Debentures due October 15,
        1998 being sold and issued  pursuant to the  Purchase  Agreement  in the
        aggregate principal amount set forth therein.

                Effective Date: The date that the Resale Registration  Statement
        is declared effective by the SEC.

                Exchange  Act: The  Securities  Exchange Act of 1934, as amended
        from time to time.

                Holder:  Each beneficial holder from time to time of Registrable
        Securities.

                Indemnified Holder: See Section 6(a).

                NASD: National Association of Securities Dealers, Inc.

                Person:  An  individual,  partnership,   corporation,  trust  or
        unincorporated  organization,  or a  government  or agency or  political
        subdivision thereof.

                Preferred Shares:  The shares of Series B Convertible  Preferred
        Stock of the Company,  par value $.01 per share,  issued pursuant to the
        Certificate of Designations, as part of the Units.

                Prospectus:   The  prospectus   included  in  any   Registration
        Statement,  as supplemented by any prospectus  supplement and as amended
        by all amendments,  including post-effective amendments and all material
        incorporated by reference in such prospectus.

                Registrable  Securities:  The Underlying Common Shares; provided
        that an Underlying Common Share ceases to be a Registrable Security when
        it (i) has been effectively registered under Section 5 of the Securities
        Act and disposed of in accordance with any Registration Statement,  (ii)
        has been  distributed  to the  public  pursuant  to Rule 144  under  the
        Securities Act ("Rule 144") (or any similar provisions then in force) or
        (iii) is eligible for  distribution to the public by the Holder pursuant
        to Rule 144(k) (or any similar provisions then in force).

                Registration  Expenses:  See Section 5. 


                                       2
<PAGE>

                Registration  Statement:   Any  registration  statement  of  the
        Company which,  in accordance  with Section 3 hereof,  covers any of the
        Registrable  Securities  pursuant to the  provisions of this  Agreement,
        including  the   Prospectus,   amendments   and   supplements   to  such
        Registration Statement,  including  post-effective  amendments,  and all
        exhibits and all material incorporated by reference in such Registration
        Statement.

                Resale Registration Statement: See Section 3.

                Securities Act: The Securities Act of 1933, as amended from time
        to time.

                SEC: The Securities and Exchange Commission.

                Underlying Common Shares:  The Conversion Shares and the Warrant
        Shares.

                Units:  The  Company's  Units,  each  consisting of one share of
        Series B Convertible  Preferred  Stock,  $.01 par value,  and one Common
        Stock Purchase Warrant.

                Warrant  Agreement:  The Warrant  Agreement  dated June 15, 1998
        between the Company and StockTrans, Inc., as warrant agent, and included
        as  Exhibit  D to the  Confidential  Private  Placement  Memorandum,  as
        contemplated by the Purchase Agreement.

                Warrant Price: Has the meaning such term is given in the Warrant
        Agreement.

                Warrants:  The Common Stock Purchase Warrants issued pursuant to
        the Warrant  Agreement and pursuant to the Purchase  Agreements with the
        Purchaser and the other Purchasers.

                Warrant  Shares:  The  shares  of  Common  Stock  issuable  upon
        exercise of the Warrants.

2.      Securities Subject to this Agreement

        Each  holder  from  time to  time of  Registrable  Securities  shall  be
entitled to the benefits of this Agreement. A Person is deemed to be a Holder of
Registrable   Securities  whenever  such  Person  is  the  beneficial  owner  of
Registrable  Securities.  The Company is entitled to treat the record  holder of
Registrable  Securities as beneficial  owner of  Registrable  Securities  unless
otherwise notified by such holder.

3.      Resale  Registration:  Timing of  Filing,  Effectiveness  and  Period of
        Usability

        Subject to the  provisions  of Section 4 hereof,  the Company shall file
and use its best  efforts to cause to be declared  effective  not later than the
later of: (i) the  Authorization  Date,  (ii) 90 days from the date  hereof,  or
(iii) 90 days  from the date of  consumation  or  abandonment  of the  Company's
contemplated  acquisition of Genetic  Laboratories Wound Care, Inc. as described
in the  Confidential  Private  Placement  Memorandum,  a  "resale"  Registration


                                       3
<PAGE>

Statement (a "Resale Registration") on any appropriate form under the Securities
Act for all the  Registrable  Securities,  which form shall be available for the
sale of the Registrable  Securities in accordance  with the untraded  methods of
distribution thereof.

        The  Company  agrees to use its best  efforts  to keep the  Registration
Statement continuously effective and usable for resale of Registrable Securities
until  365 days  (the  "Effectiveness  Period")  from the  Closing  Date or such
shorter period which shall terminate when all the Registrable Securities covered
by such  Registration  Statement  have been sold  pursuant to such  Registration
Statement or when all Registrable  Securities  otherwise have been sold pursuant
to  Rule  144  or are  freely  tradeable  in  essentially  the  same  manner  as
contemplated in Section 4 below.

4.      Registration Procedures

        In  connection  with  the  Company's  obligation  to  file  Registration
Statements as provided in Section 3 hereof, the Company will as expeditiously as
possible:

                (a) before filing a Registration  Statement or Prospectus or any
        amendments  or  supplements  thereto,  furnish  to  the  Holders  of the
        Registrable  Securities covered by such Registration Statement a copy of
        all such documents proposed to be filed, which documents will be subject
        to the  review  of such  Holders,  and the  Company  will  not  file any
        Registration  Statement or amendment  thereto or any  Prospectus  or any
        supplement  thereto  to which the  Holders of a  majority  in  aggregate
        principal  amount  of  the  Registrable   Securities   covered  by  such
        Registration  Statement  shall  reasonably  object  (provided  that  the
        Company may assume, for the purposes of the foregoing that any Holder of
        Registrable  Securities has no objection if the Company has not received
        notice from such Holder within five business days after delivery of such
        documents to such Holder);

                (b)  prepare  and  file  with  the  SEC  such   amendments   and
        post-effective  amendments  to  the  Registration  Statement,  and  such
        supplements  to  the  Prospectus,  as  may be  required  by  the  rules,
        regulations or instructions applicable to the registration form utilized
        by  the  Company  or by the  Securities  Act or  rules  and  regulations
        thereunder  or otherwise  necessary to keep the  Registration  Statement
        effective  for the  applicable  period  and cause the  Prospectus  as so
        supplemented  to be filed pursuant to Rule 424 under the Securities Act;
        and comply with the provisions of the Securities Act with respect to the
        disposition of all  securities  covered by such  Registration  Statement
        during the applicable  period in accordance with the intended methods of
        disposition  by the  sellers  thereof  set  forth  in such  Registration
        Statement or supplement to the Prospectus;

                (c) notify  Purchaser and the Holders of Registrable  Securities
        promptly, and confirm such advice in writing,



                                       4
<PAGE>


                        (1) when the Prospectus or any Prospectus  supplement or
                post-effective  amendment  has been filed,  and, with respect to
                the Registration Statement or any post-effective amendment, when
                the same has become effective,

                        (2)  of the  issuance  by the  SEC  of  any  stop  order
                suspending the  effectiveness of the  Registration  Statement or
                the initiation of any proceedings for that purpose, and

                        (3) of the  receipt by the  Company of any  notification
                with  respect  to the  suspension  of the  qualification  of the
                Registrable  Securities  for  sale  in any  jurisdiction  or the
                initiation or threatening of any proceeding for such purpose;

                (d) make every reasonable effort to obtain the withdrawal of any
        order suspending the effectiveness of the Registration  Statement at the
        earliest possible moment;

                (e) furnish,  without  charge,  to Purchaser  and, upon request,
        each Holder of  Registrable  Securities,  at least one conformed copy of
        the Registration  Statement and any  post-effective  amendment  thereto,
        including financial statements and schedules, all documents incorporated
        therein by reference and all exhibits  (including those  incorporated by
        reference);

                (f)  deliver  to  Purchaser  and  each  Holder  of   Registrable
        Securities  without charge, as many copies of the Prospectus  (including
        each preliminary  prospectus) and any amendment or supplement thereto as
        such Persons may reasonably request;  the Company consents to the use of
        the Prospectus or any amendment or supplement  thereto by each Purchaser
        and  each  Holder  of  Registrable  Securities  in  connection  with the
        offering  and  sale  of  the  Registrable   Securities  covered  by  the
        Prospectus or any amendment or supplement thereto;

                (g)  use  its  reasonable   efforts  to  cause  the  Registrable
        Securities  covered by the Registration  Statement to be registered with
        or  approved by such  governmental  agencies  or  authorities  as may be
        necessary to enable the Holders thereof to consummate the disposition of
        such  Registrable  Securities in such  jurisdictions  as the Holders may
        reasonably  specify in response to  inquiries to be made by the Company,
        provided  that the Company will not be required to qualify  generally to
        do business in any jurisdiction  where it is not then so qualified or to
        take any action which would subject it to general  service of process in
        any such jurisdiction where it is not then so subject;

                (h)  if any  event  shall  occur  as a  result  of  which  it is
        necessary,  in the  opinion  of  counsel  for the  Company,  to amend or
        supplement the Prospectus in order to make the Prospectus not misleading
        in the light of the  circumstances  existing at the time it is delivered
        by a Holder,  prepare a supplement  or  post-effective  amendment to the


                                       5
<PAGE>

        Registration  Statement  or  the  related  Prospectus  or  any  document
        incorporated therein by reference or file any other required document so
        that,  as  thereafter  delivered  to  the  Holders  of  the  Registrable
        Securities,  the  Prospectus  will not contain an untrue  statement of a
        material fact or omit to state any material  fact  necessary to make the
        statements therein not misleading;

                (i) obtain a CUSIP number for all Registrable Securities (unless
        already obtained), not later than the Effective Date;

                (j) make available for inspection  during normal  business hours
        by a  representative  of the  Holders of a majority  of the  Registrable
        Securities   and  any   attorney   or   accountant   retained   by  such
        representative,  all financial and other  records,  pertinent  corporate
        documents  and  properties  of the  Company,  and  cause  the  Company's
        officers,  directors and employees to supply all information  reasonably
        requested  by  such  Holders  or any  such  attorney  or  accountant  in
        connection  with  the  Registration  Statement;  provided  that all such
        records,  information or documents  shall be kept  confidential  by such
        Persons unless  disclosure of such records,  information or documents is
        required by court or administrative  order or is generally  available to
        the public  other than as a result of  disclosure  in  violation of this
        Section 4(j);

                (k) otherwise use its best efforts to comply with all applicable
        rules and  regulations of the SEC, and make  generally  available to its
        security  holders an earnings  statement  satisfying  the  provisions of
        Section  11(a)  of the  Securities  Act (in  accordance  with  Rule  158
        thereunder  or  otherwise),  no later  than 45 days after the end of the
        12-month  period (or 90 days, if such period is a fiscal year) beginning
        with the first month of the Company's  first fiscal  quarter  commencing
        after the Effective  Date,  which  statements  shall cover said 12-month
        period;

                (l) if at any time an event of the  kind  described  in  Section
        4(h) shall  occur,  notify  Purchaser  and the  Holders  of  Registrable
        Securities  that the use of the  Prospectus  must be  discontinued  (the
        Company  will not  declare  any such  "black-out"  periods  in excess of
        twenty  business days during any twelve month period,  unless  otherwise
        required); and

                (m) on or  prior  to the  date  the  Registration  Statement  is
        declared effective by the SEC, cause all of the Underlying Common Shares
        to be listed  for  trading  on the  Boston  Stock  Exchange  or  Pacific
        Exchange  (or on any other  national  securities  exchange or the Nasdaq
        SmallCap  Market) on which the Company's shares of Common Stock are then
        listed.

                Each  Holder  of   Registrable   Securities   as  to  which  any
        registration   is  being  effected   agrees,   as  a  condition  to  the
        registration obligations with respect to such Holder provided herein, to
        furnish to the Company such  information  regarding the  distribution of
        such  Registrable  Securities  as the  Company  may  from  time  to time
        reasonably request in writing.



                                       6
<PAGE>

                Each Holder of Registrable  Securities  agrees by acquisition of
        such  Registrable  Securities  that, upon receipt of any notice from the
        Company   described  in  Section  4(k),   such  Holder  will   forthwith
        discontinue  disposition of Registrable  Securities  until such Holder's
        receipt  of  the  copies  of  the  supplemented  or  amended  Prospectus
        contemplated  by Section 4(g) hereof,  or until it is advised in writing
        by the  Company  (which  notice the  Company  shall give as  promptly as
        possible),  that  the  use of the  Prospectus  may be  resumed,  and has
        received  copies of any  additional  or  supplemental  filings which are
        incorporated by reference in the Prospectus,  and, if so directed by the
        Company,  such  Holder will  deliver to the  Company  (at the  Company's
        expense)  all  copies,  other than  permanent  file  copies then in such
        Holder's  possession,   of  the  Prospectus  covering  such  Registrable
        Securities current at the time of receipt of such notice.

5.      Registration Expenses

        (a) All expenses incident to the Company's  performance of or compliance
with this Agreement, including without limitation:

                (1) all registration, filing and listing fees;

                (2) fees and expenses of counsel  acceptable to the holders of a
        majority  in  principal   amount  of  the  Registrable   Securities  for
        compliance with securities or blue sky laws;

                (3) the Company's  printing,  messenger,  telephone and delivery
        expenses;

                (4) fees and disbursements of counsel for the Company;

                (5) fees and  disbursements of all independent  certified public
        accountants of the Company  (including the expenses of any special audit
        necessary to satisfy the requirements of the Securities Act); and

                (6) fees and expenses  associated  with any NASD filing required
        to be made in connection with the Registration Statement.

All such  expenses  ("Registration  Expenses")  will be  borne  by the  Company,
regardless of whether the Registration Statement becomes effective.

        The Company will, in any event,  pay its internal  expenses  (including,
without  limitation,  all salaries  and  expenses of its officers and  employees
performing  legal or accounting  duties),  the expense of any annual audit,  the
fees and expenses  incurred in connection  with the listing of the securities to
be registered on a securities exchange or the Nasdaq SmallCap Market.



                                       7
<PAGE>

6.      Indemnification and Contribution

        (a) Indemnification by the Company.  The Company agrees to indemnify and
hold harmless each Holder of Registrable  Securities,  its officers,  directors,
employees and agents and each Person who controls such Holder within the meaning
of either  Section 15 of the  Securities  Act or Section 20 of the  Exchange Act
(each such person being  sometimes  hereinafter  referred to as an  "Indemnified
Holder") from and against all losses, claims, damages,  liabilities and expenses
(including  reasonable costs of investigation and legal expenses) arising out of
or based upon any untrue  statement  or alleged  untrue  statement of a material
fact contained in any  Registration  Statement or Prospectus or in any amendment
or supplement  thereto or in any  preliminary  prospectus,  or arising out of or
based upon any  omission or alleged  omission to state  therein a material  fact
required to be stated  therein or necessary to make the  statements  therein not
misleading;  provided,  however, that the Company will not be liable in any such
case to the  extent  that any  such  losses,  claims,  damages,  liabilities  or
expenses  arise out of or are based upon any untrue  statement or alleged untrue
statement  or  omission  or alleged  omission  thereof  based  upon  information
furnished  in writing to the Company by such Holder or its agent  expressly  for
use therein;  provided further, that the Company shall not be liable in any such
case to the  extent  that any such loss,  claim,  damage,  liability  or expense
arises out of or is based upon an untrue  statement or alleged untrue  statement
or omission or alleged  omission in the Prospectus,  if such untrue statement or
alleged untrue statement,  omission or alleged omission was completely corrected
in an amendment or supplement to the Prospectus and if, having  previously  been
furnished  by or on behalf of the Company  with copies of the  Prospectus  as so
amended or supplemented, such Holder thereafter fails to deliver such Prospectus
as so  amended  or  supplemented,  prior to or  concurrently  with the sale of a
Registrable Security to the person asserting such loss, claim, damage, liability
or expense who purchased such Registrable  Security which is the subject thereof
from such Holder.  This indemnity will be in addition to any liability which the
Company may otherwise have.

        If any action or proceeding (including any governmental investigation or
inquiry) shall be brought or asserted against any Indemnified  Holder in respect
of which indemnity may be sought from the Company, such Indemnified Holder shall
promptly  notify  the  Company  in writing  (but the  omission  to so notify the
Company  shall not  relieve it of any  liability  that it may have  against  any
Indemnified Holder otherwise than under this subsection),  and the Company shall
assume the defense  thereof,  including  the  employment  of counsel  reasonably
satisfactory  to such  Indemnified  Holder  and  the  payment  of all  expenses.
Indemnified  Holders  shall have the right,  collectively,  to employ  their own
counsel in any such action and to  participate in the defense  thereof,  but the
fees and  expenses  of such  counsel  shall be the  expense  of the  Indemnified
Holders  unless (a) the Company has agreed to pay such fees and  expenses or (b)
the Company shall have failed to assume the defense of such action or proceeding
and have failed to employ counsel  reasonably  satisfactory  to the  Indemnified
Holders in any such action or  proceeding  or (c) the named  parties to any such
action or proceeding  (including any impleaded  parties) include the Indemnified
Holders and the Company,  and the Indemnified Holders shall have been advised by
counsel  that  there  may  be  one  or  more  legal  defenses  available  to the



                                       8
<PAGE>

Indemnified Holders which are different from or additional to those available to
the Company (in which case,  if the  Indemnified  Holders  notify the Company in
writing  that they  elect to employ  their own  counsel  at the  expense  of the
Company,  the  Company  shall not have the right to assume  the  defense of such
action or proceeding on behalf of the Indemnified  Holders, it being understood,
however,  that the Company shall not, in connection  with any one such action or
proceeding  or  separate  but  substantially   similar  or  related  actions  or
proceedings in the same jurisdiction arising out of the same general allegations
or  circumstances,  be liable for the reasonable  fees and expenses of more than
one separate firm of attorneys  (together with appropriate local counsel) at any
time for the  Indemnified  Holders  which firm shall be designated in writing by
the  Indemnified  Holders  representing  at least a  majority  of the  aggregate
principal amount of the outstanding Registrable  Securities).  Any such fees and
expenses  payable  by the  Company  shall  be  paid to the  Indemnified  Holders
entitled thereto as incurred by the Indemnified  Holders.  The Company shall not
be liable for any settlement of any such action or proceeding  effected  without
its written consent,  but if settled with its written consent,  or if there be a
final judgment for the plaintiff in any such action or  proceeding,  the Company
agrees to indemnify and hold harmless the  Indemnified  Holders from and against
any loss or liability by reason of such settlement or judgment.

        (b) Indemnification by Holder of Registrable Securities.  Each Holder of
Registrable  Securities  agrees to indemnify and hold harmless the Company,  its
respective  directors  and officers  and each  Person,  if any, who controls the
Company within the meaning of either Section 15 of the Securities Act or Section
20 of the Exchange Act to the same extent as the  foregoing  indemnity  from the
Company to such Holder,  but only with respect to  information  relating to such
Holder furnished in writing by such Holder expressly for use in any Registration
Statement  or  Prospectus,  or  any  amendment  or  supplement  thereto,  or any
preliminary  prospectus.  In case any  action  or  proceeding  shall be  brought
against  the  Company  or its  respective  directors  or  officers  or any  such
controlling person, in respect of which indemnity may be sought against a Holder
of  Registrable  Securities,  such Holder shall have the rights and duties given
the  Company,  and the Company or its  respective  directors or officers or such
controlling  person shall have the rights and duties given to each holder by the
preceding  paragraph.  In  no  event  shall  the  liability  of  any  Holder  of
Registrable  Securities hereunder be greater in amount than the dollar amount of
the proceeds received by such Holder upon the sale of the Registrable Securities
giving rise to such indemnification obligation.

        (c) Contribution.  If the indemnification provided for in this Section 6
is unavailable to an indemnified party under Section 6(a) or Section 6(b) hereof
(other than by reason of  exceptions  provided in those  Sections) in respect of
any losses, claims,  damages,  liabilities or expenses referred to therein, then
each applicable  indemnifying  party, in lieu of indemnifying  such  indemnified
party,  shall contribute to the amount paid or payable by such indemnified party
as a result of such losses,  claims,  damages,  liabilities or expenses,  (i) in
such proportion as is appropriate to reflect the relative  benefits  received by
the Company from the sale of the Preferred  Shares to Purchaser  pursuant to the
Purchase  Agreement  on the one hand and each Holder of  Registrable  Securities
from the offering of the  Registrable  Securities  by such Holder,  on the other
hand, or (ii) if the allocation provided by clause (i) above is not permitted by
applicable  law, in such  proportion as is  appropriate  to reflect not only the
relative benefits referred to in clause (i) above but also the relative fault of
the Company on the one hand and each  Holder of  Registrable  Securities  on the
other in  connection  with the  statements  or omissions  that  resulted in such
losses, claims, damages, or liabilities, as well as the other relevant equitable



                                       9
<PAGE>

considerations.  The relative  benefits  received by the Company on the one hand
and each Holder of Registrable  Securities on the other shall be deemed to be in
the same  proportion  as the  aggregate  amount paid by Purchaser to the Company
pursuant to the Purchase Agreement for the Registrable  Securities  purchased by
such Holder that were sold pursuant to the  Registration  Statement bears to the
difference  (the  "Difference")  between  the amount  such  Holder  paid for the
Registrable Securities that were sold pursuant to the Registration Statement and
the amount  received by such Holder from such sale.  The relative fault shall be
determined by reference  to, among other  things,  whether the untrue or alleged
untrue statement of a material fact or the omission or alleged omission to state
a material fact relates to information supplied by the Company or the particular
Holder and the parties'  relative intent,  knowledge,  access to information and
opportunity to correct or prevent such untrue statement or omission. The Company
and the Holders of  Registrable  Securities  agree that it would not be just and
equitable if  contributions  pursuant to this Section 6(c) were to be determined
by pro rata  allocation or by any other method of allocation  that does not take
account of the equitable consideration referred to in the first sentence of this
Section 6(c). The amount paid by an indemnified party as a result of the losses,
claims, damages or liabilities referred to in the first sentence of this Section
6(c) shall be deemed to include any legal or other expenses  reasonably incurred
by such indemnified party in connection with  investigation or defending against
any action or claim that is the subject of this  Section  6(c).  Notwithstanding
the provisions of this Section 6(c), each Holder of Registrable Securities shall
not be  required to  contribute  any amount in excess of the amount by which the
Difference exceeds the amount of any damages that such Holder has otherwise been
required to pay by reason of such untrue or alleged untrue statement or omission
or alleged omission.  No person guilty of fraudulent  misrepresentation  (within
the  meaning of Section  11(f) of the  Securities  Act),  shall be  entitled  to
contribution   from  any  person   who  was  not   guilty  of  such   fraudulent
misrepresentation.

7.      Rule 144 and Rule 144A

        For so long as the Company is subject to the reporting  requirements  of
Section 13 or 15 of the Exchange  Act, the Company  covenants  that it will file
the  reports  required  to be filed by it under the  Securities  Act and Section
13(a) or 15(d) of the Exchange Act and the rules and regulations  adopted by the
SEC thereunder.  If the Company is not subject to the reporting  requirements of
Section 13 or 15 of the Exchange  Act, the Company also  covenants  that it will
provide  the  information   required  pursuant  to  Rule  144A(d)(4)  under  the
Securities  Act upon the request of any Holder of Registrable  Securities  which
continue to be  "restricted  securities"  within the  meaning of Rule  144(a)(3)
under the  Securities  Act and it will take such further action as any holder of
such Registrable  Securities may reasonably request,  all to the extent required
from  time to time to enable  such  holder  to sell its  Registrable  Securities
without  registration  under the  Securities  Act within the  limitation  of the
exemptions  provided by (a) Rule 144 under the Securities  Act, as such Rule may
be amended  from time to time,  so long as such  provision  does not require the
public  filing of  information  relating to the Company which the Company is not
otherwise required to file, (b) Rule 144A under the Securities Act, as such Rule
may be  amended  from  time to  time,  or (c)  any  similar  rule or  regulation
hereafter  adopted  by the SEC that  does  not  require  the  public  filing  of
information  relating  to  the  Company.  Upon  the  request  of any  Holder  of
Registrable  Securities,  the  Company  will  deliver  to such  Holder a written
statement as to whether it has complied with such requirements.



                                       10
<PAGE>

8.      Miscellaneous

        (a) No  Inconsistent  Agreements.  The Company  will not on or after the
date of this Agreement enter into any agreement with respect to their securities
which is  inconsistent  with the rights  granted to the  Holders of  Registrable
Securities in this Agreement or otherwise  conflicts with the provisions hereof.
The rights granted to the Holders of Registrable  Securities hereunder do not in
any way conflict with and are not  inconsistent  with the rights  granted to the
holders of the Company's securities under any such agreements.

        (b) Adjustments Affecting Registrable  Securities.  The Company will not
take any action,  or permit any change to occur, with respect to the Registrable
Securities   which  would  adversely  affect  the  ability  of  the  Holders  of
Registrable  Securities to include such Registrable Securities in a registration
undertaken pursuant to this Agreement.

        (c) Amendments and Waivers. The provisions of this Agreement,  including
the provisions of this sentence,  may not be amended,  modified or supplemented,
and waivers or  consents to  departures  from the  provisions  hereof may not be
given  unless the  Company  has  obtained  the  written  consent of Holders of a
majority of the Registrable Securities.

        (d) Notices.  All notices,  requests,  consents and other communications
hereunder  shall be by  telecopier,  with a copy  being  mailed by a  nationally
recognized  overnight express courier, and shall be deemed given when receipt is
acknowledged  by  transmit  confirmation  report,  and  shall  be  delivered  as
addressed as follows:

                (1) if to the  Purchaser,  at the most current  address given by
        the Purchaser to the Company in accordance  with the  provisions of this
        Section 8(d),  which address  initially is as set forth on the signature
        page hereto;

                (2) if to a Holder of Registrable Securities,  at its address of
        record as indicated on the books of the transfer agent and registrar for
        the Registrable Securities; and

                (3) if to the  Company,  initially  at its  address set forth in
        Section  10 of the  Purchase  Agreement  and  thereafter  at such  other
        addresses, notice of which is given in accordance with the provisions of
        this Section 8(d).

        (e) Successors and Assigns. This Agreement shall inure to the benefit of
and be binding upon the successors and assigns of each of the parties, including
without  limitation and without the need for an express  assignment,  subsequent
Holders of Registrable Securities.

        (f)  Counterparts.  This  Agreement  may be  executed  in any  number of
counterparts and by the parties hereto in separate  counterparts,  each of which
when so  executed  shall be  deemed  to be an  original  and all of which  taken
together shall constitute one and the same agreement.



                                       11
<PAGE>

        (g)  Headings.  The headings in this  Agreement are for  convenience  of
reference only and shall not limit or otherwise affect the meaning hereof.

        (h) Governing Law. This Agreement  shall be governed by and construed in
accordance  with the laws of the  State of New York  (without  reference  to its
rules as to  conflicts  of law) and the  federal  law of the  United  States  of
America.

        (i)  Severability.  In the event that any one or more of the  provisions
contained  herein,  or the  application  thereof  in any  circumstance,  is held
invalid, illegal or unenforceable,  the validity, legality and enforceability of
any such  provision  in every  other  respect  and of the  remaining  provisions
contained herein shall not be affected or impaired thereby.

        (j) Entire  Agreement.  This  Agreement  is intended by the parties as a
final  expression of their agreement and intended to be a complete and exclusive
statement of the agreement and understanding of the parties hereto in respect of
the  subject  matter  contained  herein.  There are no  restrictions,  promises,
warranties  or  undertakings,  other than those set forth or  referred to herein
with respect to the  registration  rights granted by the Company with respect to
the  securities  sold  pursuant  to  the  Purchase  Agreement.   This  Agreement
supersedes  all prior  agreements  and  understandings  between the parties with
respect to such subject matter.

        (k)  Calculation of Majority.  For purposes of  determining  whether the
Holders of a majority of the  Registrable  Securities have taken action pursuant
thereto,  any Preferred Shares and Warrants then outstanding  shall be deemed to
have been converted into Underlying Common Shares, which shares shall be treated
as outstanding for purposes hereof.




                                       12
<PAGE>



        IN WITNESS  WHEREOF,  the parties have executed this Agreement as of the
date first written above.

                              DERMA SCIENCES, INC.


                              By: _______________________________
                                  Edward J. Quilty, Chairman


                              Print or Type:

                              Name of Purchaser
                              (Individual or Institution):


                              ___________________________________

                              Name of Individual
                              representing  Purchaser (if an
                              Institution):


                              ___________________________________


                              Title of Individual
                              representing  Purchaser (if an
                              Institution):


                              ___________________________________



                              Signature by:

                              Individual Purchaser or Individual
                              representing Purchaser:


                              ___________________________________

     
                              Address: __________________________

                              Telephone: ________________________

                              Telecopier: _______________________


                                       13



                   CERTIFICATE OF DESIGNATIONS, VOTING POWERS,

                             PREFERENCES AND RIGHTS

                                       OF

                          THE SERIES OF PREFERRED STOCK

                                       OF

                              DERMA SCIENCES, INC.

                                TO BE DESIGNATED

                      SERIES B CONVERTIBLE PREFERRED STOCK


         Pursuant  to the  Pennsylvania  Business  Corporation  Law of 1988,  I,
Edward J. Quilty, Chairman of the Board of Derma Sciences,  Inc., a Pennsylvania
corporation (the "Corporation"), hereby certify that the following is a true and
correct  copy  of a  resolution  duly  adopted  by the  Corporation's  Board  of
Directors at a meeting  held on August __,  1998,  at which a quorum was present
and  acting  throughout,  and  that  said  resolution  has not been  amended  or
rescinded and is in full force and effect at the date hereof:

         RESOLVED,  that pursuant to the authority  expressly granted and vested
in the Board of Directors of the  Corporation by the  Corporation's  Articles of
Incorporation,  as  amended to date,  the Board of  Directors  hereby  creates a
series of preferred  stock of the  Corporation,  par value $.01 per share, to be
designated  "Series B  Convertible  Preferred  Stock"  (the  "Series B Preferred
Stock")  and to  consist  of [ shares],  and  hereby  fixes the  voting  powers,
designations,  preferences and relative, participating, optional or other rights
and the  qualifications,  limitations or restrictions  thereon,  of the Series B
Preferred Stock, as follows:

1.       VOTING RIGHTS.  The holders of Series B Preferred  Stock shall have the
         right to vote,  together with the holders of all the outstanding shares
         of Common  Stock and not by classes,  except as  otherwise  required by
         Pennsylvania  law, on all matters on which  holders of Common Stock are
         entitled to vote.  Each  holder of shares of Series B  Preferred  Stock
         shall have the right to cast one vote for each share.

2.       LIQUIDATION  OR  DISSOLUTION.  Subject  to  the  prior  rights  of  the
         Corporation's  creditors and holders of  securities  equal or senior to
         the  Series  B  Preferred  Stock  in  respect  of  distributions   upon
         liquidation, dissolution or winding-up of the Corporation, in the event
         of the voluntary or involuntary liquidation,  dissolution or winding-up
         of the  Corporation,  the holders of Series B Preferred  Stock shall be
         entitled  to receive  the  purchase  price per share (the  "Liquidation
         Preference"),  together  with  accrued  and  unpaid  dividends  payable
         thereon to the date fixed for  payment  of such  distribution,  if any,
         which shall be payable on a pro rata basis among  holders of  Preferred
         and Common Stock, all of which shall be paid in cash. If, upon any such




                                       1
<PAGE>

         liquidation,  dissolution or winding-up of the Corporation,  the assets
         distributable  among the holders of Series B  Preferred  Stock (and any
         series of preferred stock ranking in parity with the Series B Preferred
         Stock in respect of  distributions  upon  liquidation,  dissolution  or
         winding-up  of the  Corporation)  shall be  insufficient  to permit the
         payment in full to such holders of the  preferential  amount payable to
         such  holders  determined  as  aforesaid,  then the holders of Series B
         Preferred  Stock  will  share  ratably  in  any   distribution  of  the
         Corporation's  assets  in  proportion  to the  respective  preferential
         amounts that would have been payable if such assets were  sufficient to
         permit  payment  in full  of all  such  amounts.  For  purposes  of the
         foregoing, the Corporation's Series A Convertible Preferred Stock shall
         rank in parity with the Series B Preferred.  After  payment of the full
         amount of the liquidating  distribution to which they are entitled, the
         holders of Series B Preferred Stock will not be entitled to any further
         participation in any  distribution of assets by the Corporation.  Under
         this  Section  2,  a  distribution   of  assets  in  any   dissolution,
         winding-up,   liquidation  or  reorganization  shall  include  (a)  any
         consolidation  or  merger  of the  Corporation  with or into any  other
         corporation in which the Corporation is not the surviving  corporation,
         (b) a sale or  other  disposition  of all or  substantially  all of the
         Corporation's  assets in consideration  for cash and/or the issuance of
         equity securities of another corporation, or (c) a Change of Control of
         the  Company.  Under this  Section 2, a  distribution  of assets in any
         dissolution,   winding-up,  liquidation  or  reorganization  shall  not
         include any dissolution,  liquidation,  winding-up or reorganization of
         the Corporation  immediately followed by reincorporation of a successor
         corporation, provided that the dissolution,  liquidation, winding-up or
         reorganization  does not amend,  alter,  or change the  preferences  or
         rights  of  the  Series  B  Preferred  Stock  or  the   qualifications,
         limitations or restrictions  thereof in a manner that adversely affects
         the Series B Preferred Stock.

3.       CONVERSION RIGHTS.

         (a)      CONVERSION OF SERIES B PREFERRED STOCK. Each share of Series B
                  Preferred  Stock  shall be  convertible  at the  option of the
                  holder thereof into one fully paid and non-assessable share of
                  Common   Stock,   ("Conversion   Share(s)")   subject  to  the
                  provisions set forth herein.

         (b)      MECHANICS OF CONVERSION.  The holder of any shares of Series B
                  Preferred  Stock may exercise the  conversion  right as to any
                  part thereof by delivering to the  Corporation  during regular
                  business  hours,  at  the  office  of the  Corporation  at 214
                  Carnegie  Center,  Suite 100,  Princeton,  New Jersey 08540, a
                  conversion  notice  in  the  form  attached  to  the  purchase
                  agreement  pursuant to which the Series B  Preferred  Stock is
                  issued (the "Conversion Notice").  The Conversion Notice shall
                  state that the holder  elects to convert its share  subject to
                  applicable  securities  laws,  (i) the  name(s)  in which  the
                  certificate(s)  representing  the  Conversion  Shares to which
                  such  holder  is  entitled  are to be  issued,  and  (ii)  the
                  telecopier  number to which the Corporation shall telecopy its
                  confirmation  described  below.  Notice given by telecopier to
                  telecopier number (609) 452-0880, Attention: Edward J. Quilty,
                  shall be deemed  notice for  purposes  of this  paragraph  and
                  shall be deemed given when receipt is acknowledged by transmit
                  confirmation   report.   Immediately   upon   receipt  of  any
                  Conversion  Notice,  the  Corporation  shall,  by  telecopier,
                  confirm  receipt  thereof at the  telecopier  number  included
                  thereon,  which  confirmation  shall set  forth the  number of
                  Conversion  Shares to be issued by the Corporation as a result


                                       2
<PAGE>

                  of such  conversion.  The  Conversion  Notice  shall be deemed
                  accepted by the Corporation provided the holder surrenders, or
                  causes   any  agent  for  the   holder   to   surrender,   the
                  certificate(s)   for  the  Series  B  Preferred  Stock  to  be
                  converted,  duly  endorsed  or  assigned  in  blank  or to the
                  Corporation, at any location set forth above, within seven (7)
                  business  days  after  delivery  of  the  Conversion   Notice.
                  Provided that the  certificate(s)  are delivered in accordance
                  with the preceding sentence, the conversion shall be deemed to
                  have been  effected on the date of delivery of the  Conversion
                  Notice by  telecopier,  and such date is referred to herein as
                  the  "Conversion  Date."  Within  three (3)  business  days of
                  receipt by the Corporation of the certificate(s)  representing
                  the Series B Preferred Stock,  the Corporation  shall issue to
                  such holder a certificate  or  certificates  representing  the
                  number of full Conversion Shares which such holder is entitled
                  to receive.  Unless (i) such Conversion  Shares have been held
                  long enough to satisfy  the  holding  period set forth in Rule
                  144(k)  (or any  successor  provision)  promulgated  under the
                  Securities  Act,  (ii) such  shares  become  freely  tradeable
                  pursuant to another  exemption  under the  Securities  Act, or
                  (iii) the converting  holder purchased such shares pursuant to
                  a current prospectus under an effective registration statement
                  covering  the   purchase   and  sale  of  such   shares,   the
                  certificate(s)  representing  the Conversion  Shares will bear
                  the following legend:

                           THE SHARES  REPRESENTED BY THIS  CERTIFICATE HAVE NOT
                           BEEN REGISTERED  UNDER THE SECURITIES ACT OF 1933, AS
                           AMENDED. THE SHARES HAVE BEEN ACQUIRED FOR INVESTMENT
                           AND MAY NOT BE SOLD,  TRANSFERRED  OR ASSIGNED IN THE
                           ABSENCE OF EITHER AN EFFECTIVE REGISTRATION STATEMENT
                           FOR THESE SHARES UNDER THE SECURITIES ACT OF 1933, AS
                           AMENDED,  OR AN OPINION OF COUNSEL THAT  REGISTRATION
                           IS NOT  REQUIRED  UNDER  SAID ACT.  THESE  SHARES ARE
                           SUBJECT TO CERTAIN  REGISTRATION  RIGHTS AS SET FORTH
                           IN A REGISTRATION  RIGHTS AGREEMENT,  A COPY OF WHICH
                           MAY BE OBTAINED FROM THE CORPORATION.

                  If the  Registration  Statement as  hereinafter  defined shall
                  have been declared  effective by the  Securities  and Exchange
                  Commission,   the  certificate(s)  evidencing  the  Conversion
                  Shares will bear the following legend:

                           THE SHARES  REPRESENTED BY THIS CERTIFICATE HAVE BEEN
                           REGISTERED  UNDER  THE  SECURITIES  ACT OF  1933,  AS
                           AMENDED.  THE  SHARES  MAY BE  SOLD  PURSUANT  TO THE
                           REGISTRATION   STATEMENT  PROVIDED  THAT  THE  HOLDER
                           COMPLIES WITH THE  PROSPECTUS  DELIVERY  REQUIREMENTS
                           UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND THE
                           SALE IS IN COMPLIANCE  WITH THE PLAN OF  DISTRIBUTION
                           AS SET  FORTH IN THE  PROSPECTUS.  THESE  SHARES  ARE
                           SUBJECT TO CERTAIN  REGISTRATION  RIGHTS AS SET FORTH




                                       3
<PAGE>

                           IN A REGISTRATION  RIGHTS AGREEMENT,  A COPY OF WHICH
                           MAY BE OBTAINED FROM THE CORPORATION.

                  The person in whose name the certificate(s) for the Conversion
                  Shares  are to be  issued  shall be  deemed  to have  become a
                  stockholder of record on the applicable Conversion Date unless
                  the transfer books of the Corporation are closed on that date,
                  in which  event he or she  shall be  deemed  to have  become a
                  stockholder of record on the next succeeding date on which the
                  transfer  books are open,  but the  Conversion  Ratio shall be
                  that in effect on the Conversion Date. Upon conversion of only
                  a  portion  of  the  number  of  whole  shares  covered  by  a
                  certificate  representing  shares of Series B Preferred  Stock
                  surrendered  for conversion,  the Corporation  shall issue and
                  deliver  to or upon the  written  order of the  holder  of the
                  certificate so surrendered for  conversion,  at the expense of
                  the  Corporation,  a new  certificate  covering  the number of
                  shares  of  Series  B   Preferred   Stock   representing   the
                  unconverted  portion of the certificate so surrendered,  which
                  new  certificate  shall  entitle  in all  respects  the holder
                  thereof to the rights of Series B Preferred Stock  represented
                  thereby to the same extent as if the  certificate  theretofore
                  covering such unconverted  shares had not been surrendered for
                  conversion.

         (c)      FRACTIONAL  SHARES.  No  fractional  shares of Common Stock or
                  scrip  shall be issued upon  conversion  of shares of Series B
                  Preferred  Stock. If more than one share of Series B Preferred
                  Stock shall be  surrendered  for conversion at any one time by
                  the same  holder,  the number of full  shares of Common  Stock
                  issuable  upon  conversion  thereof  shall be  computed on the
                  basis of the aggregate  number of shares of Series B Preferred
                  Stock so  surrendered.  Instead  of any  fractional  shares of
                  Common Stock which would otherwise be issuable upon conversion
                  of any shares of Series B  Preferred  Stock,  the  Corporation
                  shall pay a cash  adjustment  in  respect  of such  fractional
                  interest  in an  amount  determined  on the  basis of the then
                  Current  Market  Price per share of Common  Stock.  Fractional
                  interests shall not be entitled to dividends,  and the holders
                  thereof shall not be entitled to any rights as stockholders of
                  the Corporation in respect of such fractional interests.

         (d)      ADJUSTMENTS TO CONVERSION RATIO FOR CERTAIN EVENTS. The number
                  of Conversion  Shares  underlying  each  Preferred  Share (the
                  "Conversion  Ratio") shall be subject to adjustment  from time
                  to time as set forth in this subsection (d).

                  (i)      In  case at any  time,  or from  time  to  time,  the
                           Corporation  shall:  (A) take a record of the holders
                           of its Common Stock for the purpose of entitling them
                           to receive a dividend or other  distribution  payable
                           in  shares  of  capital  stock;   (B)  subdivide  its
                           outstanding  shares  of  Common  Stock  into a larger
                           number of shares;  (C) combine its outstanding shares
                           of Common Stock into a smaller  number of shares;  or
                           (D) issue by  reclassification or recapitalization of
                           its Common  Stock any other class or series of shares
                           of    the    Corporation    (including    any    such
                           reclassification  or  recapitalization  in connection
                           with  a   consolidation   or   merger  in  which  the
                           Corporation  is  the  continuing  corporation),   the
                           Conversion  Ratio in effect at the time of the record


                                       4
<PAGE>

                           date for such  dividend or of the  effective  date of
                           such subdivision,  combination,  reclassification  or
                           recapitalization shall be proportionately adjusted so
                           that  the  holder  of any  Series B  Preferred  Stock
                           surrendered  for conversion  after such time shall be
                           entitled to receive the aggregate  number and kind of
                           shares  which,  if such Series B Preferred  Stock had
                           been converted  immediately  prior to such time, such
                           holder  would  have  owned or have been  entitled  to
                           receive.  Such adjustment shall be made  successively
                           whenever any event  listed above shall occur.  In the
                           event that such  dividend or  distribution  is not so
                           made, the Conversion Ratio shall again be adjusted to
                           be the Conversion Ratio which would then be in effect
                           if such record date has not been fixed.

                  (ii)     In  case at any  time,  or from  time  to  time,  the
                           Corporation  shall (except as  hereinafter  provided)
                           issue or sell any  Additional  Shares of Common Stock
                           for a  consideration  per share of Common  Stock less
                           than the Current  Market Price,  then the  Conversion
                           Ratio  shall,   on  the  date  specified   below  for
                           determining  the Current Market Price, be adjusted to
                           that number  determined by multiplying the Conversion
                           Ratio in effect  immediately prior to such adjustment
                           by a fraction  the  numerator  of which  shall be the
                           number  of  shares   of  Common   Stock   outstanding
                           immediately  prior to the issuance of the  Additional
                           Shares of Common Stock  (including  shares  deemed to
                           have been  issued  pursuant  to  subsection  (d)(iii)
                           below)  plus the  number of  shares  of Common  Stock
                           which  the  aggregate  consideration  for  the  total
                           number of such  Additional  Shares of Common Stock so
                           issued would  purchase at the Current  Market  Price,
                           and the  denominator  of which shall be the number of
                           shares of Common Stock outstanding  immediately prior
                           to the issuance of such  Additional  Shares of Common
                           Stock  plus the number of such  Additional  Shares of
                           Common Stock so issued  (including  shares  deemed to
                           have been  issued  pursuant  to  subsection  (d)(iii)
                           below). For the purposes of this subsection  (d)(ii),
                           the date as of which  the  Current  Market  Price per
                           share of Common Stock shall be computed  shall be the
                           earlier  of (A) the  date on  which  the  Corporation
                           shall enter into a legally  binding  contract for the
                           issuance or sale of such Additional  Shares of Common
                           Stock or (B) the date of the actual  issuance of such
                           Additional  Shares of Common Stock. The provisions of
                           this  subsection  (d)(ii)  shall  not  apply  to  any
                           issuance  of  Additional  Shares of Common  Stock for
                           which an  adjustment  is  provided  under  subsection
                           (d)(i) hereof. No adjustment shall be made under this
                           subsection   (d)(ii)   upon  the   issuance   of  any
                           Additional  Shares of Common  Stock  which are issued
                           pursuant  to the  exercise  of any  warrants or other
                           subscription  or  purchase  rights or pursuant to the
                           exercise of any conversion or exchange  rights in any
                           Convertible Securities,  if any such adjustment shall
                           previously  have been made upon the  issuance of such
                           warrants or other rights or upon the issuance of such
                           Convertible  Securities  (or upon the issuance of any
                           warrant  or  other  rights   therefor)   pursuant  to
                           subsection (d)(iii) hereof. Adjustments shall be made
                           successively  whenever such an issuance of Additional
                           Shares of Common Stock shall occur. In the event that
                           such  Additional  Shares of  Common  Stock are not so


                                       5
<PAGE>

                           issued or sold, the  Conversion  Ratio shall again be
                           adjusted to be the Conversion  Ratio which would then
                           be in effect if such issuance had not occurred.

                  (iii)    In  case at any  time,  or from  time  to  time,  the
                           Corporation shall take a record of the holders of the
                           Common  Stock for the  purpose of  entitling  them to
                           receive a distribution  of, or shall otherwise issue,
                           any  warrants  or other  rights to  subscribe  for or
                           purchase any Additional Shares of Common Stock or any
                           Convertible  Securities  and  the  consideration  per
                           share for which Additional Shares of Common Stock may
                           at any time  thereafter be issuable  pursuant to such
                           warrants or other  rights or pursuant to the terms of
                           such  Convertible  Securities  shall be less than the
                           Current  Market  Price,  then  the  Conversion  Ratio
                           immediately  thereafter shall be adjusted as provided
                           in  subsection  (d)(ii)  hereof on the basis that (A)
                           the  maximum  number of  Additional  Shares of Common
                           Stock issuable pursuant to all such warrants or other
                           rights or  necessary  to  effect  the  conversion  or
                           exchange of all such Convertible  Securities shall be
                           deemed  to have  been  issued  as of the date for the
                           determination  of the Current  Market Price per share
                           of Common Stock as hereinafter provided,  and (B) the
                           aggregate  consideration  for such maximum  number of
                           Additional  Shares of Common Stock shall be deemed to
                           be the minimum consideration  received and receivable
                           by  the   Corporation   for  the   issuance  of  such
                           Additional  Shares of Common  Stock  pursuant to such
                           warrants or other  rights or pursuant to the terms of
                           such Convertible Securities. For the purposes of this
                           subsection (d)(iii), the date as of which the Current
                           Market  Price  per  share of  Common  Stock  shall be
                           computed  shall  be the  earliest  of (I) the date on
                           which  the  Corporation  shall  take a record  of the
                           holders  of its  Common  Stock  for  the  purpose  of
                           entitling  them to receive any such warrants or other
                           rights,  (II) the date on which the Corporation shall
                           enter  into  a  legally  binding   contract  for  the
                           issuance of such  warrants  or other  rights or (III)
                           the date of actual issuance of such warrants or other
                           rights.  Such  reduction  shall be made  successively
                           whenever  such a record  date is fixed.  In the event
                           that such rights or warrants are not so issued or (if
                           issued) to the extent not  exercised,  the Conversion
                           Ratio shall  again be  adjusted to be the  Conversion
                           Ratio,  as the case may be,  which  would  then be in
                           effect if such record date had not been fixed or such
                           unexercised rights or warrants had not been issued.

                  (iv)     In  case at any  time,  or from  time  to  time,  the
                           Corporation shall take a record of the holders of its
                           Common  Stock for the  purpose of  entitling  them to
                           receive a distribution,  by dividend or otherwise, of
                           evidences of its  indebtedness  or assets  (including
                           securities,   but   excluding  (A)  any  dividend  or
                           distribution  referred to in subsection (d)(i) hereof
                           and (B) any dividend or distribution paid in cash out
                           of   funds   legally   available   therefor   of  the
                           Corporation),  then in each such case the  Conversion
                           Ratio in  effect  after  such  record  date  shall be
                           determined by multiplying  the Conversion  Ratio,  in
                           effect  immediately  prior to such  record  date by a
                           fraction,  of which the numerator  shall be the total
                           number  of   outstanding   shares  of  Common   Stock
                           multiplied by the Current Market Price on such record
                           date,  less the fair market value (as  determined  by
                           the  Board of  Directors  of the  Corporation,  whose


                                       6
<PAGE>

                           determination  shall be conclusive) of the portion of
                           the  assets or  evidences  of  indebtedness  so to be
                           distributed,  and of which the  denominator  shall be
                           the  total  number  of  outstanding  shares of Common
                           Stock  multiplied by such Current Market Price.  Such
                           adjustment shall be made successively whenever such a
                           record  date  is  fixed.   In  the  event  that  such
                           distribution  is not so made,  the  Conversion  Ratio
                           shall again be adjusted  to be the  Conversion  Ratio
                           which would then be in effect if such record date had
                           not been fixed.

                  (v)      No  adjustment  in  the  Conversion  Ratio  shall  be
                           required  unless  such  adjustment  would  require an
                           increase or decrease of at least one percent  (1%) in
                           such Conversion Ratio;  provided,  however,  that any
                           adjustment   which  by  reason   of  this   paragraph
                           subsection (d)(v) is not required to be made shall be
                           carried   forward  and  taken  into  account  in  any
                           subsequent  adjustment.  All calculations  under this
                           subsection  (d) shall be made to the nearest  cent or
                           to the nearest 1/100 of a share, as the case may be.

         (e)      NO IMPAIRMENT.  The Corporation  will not, by amendment of its
                  Certificate of  Incorporation  or through any  reorganization,
                  transfer of assets, consolidation,  merger, dissolution, issue
                  or sale of securities or any other voluntary action,  avoid or
                  seek to avoid  the  observance  or  performance  of any of the
                  terms  to  be  observed   or   performed   hereunder   by  the
                  Corporation, but will at all times in good faith assist in the
                  carrying  out of all the  provisions  of this Section 3 and in
                  the  taking  of  all  such  action  as  may  be  necessary  or
                  appropriate in order to protect the  conversion  rights of the
                  holders of the Series B Preferred Stock against impairment.

         (f)      NOTICE PROVISIONS.

                  (i)      Whenever  the  Conversion  Ratio  shall  be  adjusted
                           pursuant to subsection  (d) hereof,  the  Corporation
                           shall  forthwith  obtain a certificate  signed by the
                           Corporation's chief financial officer, setting forth,
                           in  reasonable   detail,   the  event  requiring  the
                           adjustment  and the method by which  such  adjustment
                           was calculated  (including a description of the basis
                           on  which  the   Corporation's   independent   public
                           accountants   determined   the  fair   value  of  any
                           evidences  of  indebtedness,  shares of stock,  other
                           securities or property or assets or warrants or other
                           subscription   or  purchase  rights  referred  to  in
                           subsections   (d)(ii)   through  (d)(v)  hereof)  and
                           specifying   the  new   Conversion   Ratio   and  (if
                           applicable)  describing the amount and kind of common
                           stock,  securities,  property or assets or cash which
                           may be  received  upon  conversion  of the  Series  B
                           Preferred   Stock,   after  giving   effect  to  such
                           adjustment.  The  Corporation  shall promptly cause a
                           signed copy of such  certificate  to be  delivered to
                           each holder of Series B Preferred Stock.

                  (ii)     In case the Corporation  shall propose (A) to pay any
                           dividend payable in stock of any class to the holders
                           of its Common Stock or to make any other distribution


                                       7
<PAGE>

                           to the holders of its Common  Stock,  (B) to offer to
                           the holders of its Common  Stock  rights to subscribe
                           for or to  purchase  any  Convertible  Securities  or
                           Additional  Shares of Common Stock or shares of stock
                           of any  class  or any  other  securities,  rights  or
                           options,  (C) to effect any  reclassification  of its
                           Common Stock (other than a reclassification involving
                           only the  subdivision  or  combination of outstanding
                           shares of Common  Stock),  (D) to effect any  capital
                           reorganization,  (E)  to  effect  any  consolidation,
                           merger or sale, transfer or other distribution of all
                           or   substantially   all  its  property,   assets  or
                           business,   or  (F)  to   effect   the   liquidation,
                           dissolution or winding-up of the Corporation, then in
                           each such case,  the  Corporation  shall give to each
                           holder of Series B  Preferred  Stock a notice of such
                           proposed  action,  which  shall  specify  the date on
                           which a record  is to be taken  for the  purposes  of
                           such stock dividend,  distribution or rights,  or the
                           date on which such reclassification,  reorganization,
                           consolidation,  merger, sale, transfer,  disposition,
                           liquidation,  dissolution  or  winding-up  is to take
                           place and the date of  participation  therein  by the
                           holders  of Common  Stock,  if any such date is to be
                           fixed,  and shall  also set  forth  such  facts  with
                           respect  thereto as shall be reasonably  necessary to
                           indicate  the  effect of such  action  on the  Common
                           Stock and the Conversion Ratio after giving effect to
                           any adjustment  which will be required as a result of
                           such  action.  Such  notice  shall be so given in the
                           case of any  action  covered  by (A) or (B)  above at
                           least  20  days   prior  to  the   record   date  for
                           determining  holders of the Common Stock for purposes
                           of such  action  and,  in the case of any other  such
                           action,  at  least  20 days  prior to the date of the
                           taking  of  such  proposed  action  or  the  date  of
                           participation therein by the holders of Common Stock,
                           whichever shall be the earlier.

         (g)      TREASURY  STOCK.  The sale or other  disposition of any issued
                  shares of Common  Stock owned or held by or for the account of
                  the  Corporation  shall be  deemed  an  issuance  thereof  for
                  purposes of  subsection  (d) hereof,  but until so issued such
                  shares shall not be deemed to be outstanding.

         (h)      COMPUTATION   OF   CONSIDERATION.   To  the  extent  that  any
                  Additional   Shares  of  Common   Stock  or  any   Convertible
                  Securities or any warrants or other rights to subscribe for or
                  purchase  any  Additional   Shares  of  Common  Stock  or  any
                  Convertible   Securities   shall   be   issued   for  a   cash
                  consideration,  the consideration  received by the Corporation
                  therefor shall be deemed to be the amount of the cash received
                  by the Corporation therefor,  or, if such Additional Shares of
                  Common  Stock or  Convertible  Securities  are  offered by the
                  Corporation for subscription,  the subscription  price, or, if
                  such   Additional   Shares  of  Common  Stock  or  Convertible
                  Securities  are sold to  underwriters  or  dealers  for public
                  offering without a subscription  offering,  the initial public
                  offering price, in any such case excluding any amounts paid or
                  receivable  for  accrued  interest  or accrued  dividends  and
                  without deduction of any  compensation,  discounts or expenses
                  paid  or   incurred  by  the   Corporation   for  and  in  the
                  underwriting  of, or otherwise in connection  with,  the issue
                  thereof.  To the  extent  that  such  issuance  shall be for a
                  consideration   other  than  cash,  then,   except  as  herein
                  otherwise expressly provided, the amount of such consideration
                  shall be deemed to be the fair value of such  consideration at
                  the  time of such  issuance  as  determined  by the  Board  of


                                       8
<PAGE>

                  Directors  of  the  Corporation.  The  consideration  for  any
                  Additional  Shares of Common  Stock  issuable  pursuant to any
                  warrants or other rights to subscribe for or purchase the same
                  shall be the  consideration  received by the  Corporation  for
                  issuing such  warrants or other  rights,  plus the  additional
                  consideration  payable to the Corporation upon the exercise of
                  such  warrants  or other  rights.  The  consideration  for any
                  Additional  Shares of Common  Stock  issuable  pursuant to the
                  terms of any Convertible Securities shall be the consideration
                  received by the  Corporation for issuing any warrants or other
                  rights  to  subscribe   for  or  purchase   such   Convertible
                  Securities,  plus the  consideration  paid or  payable  to the
                  Corporation in respect of the  subscription for or purchase of
                  such    Convertible    Securities,    plus   the    additional
                  consideration,  if any,  payable to the  Corporation  upon the
                  exercise  of the  right  of  conversion  or  exchange  in such
                  Convertible Securities. In case of the issuance at any time of
                  any   Additional   Shares  of  Common  Stock  or   Convertible
                  Securities in payment or satisfaction of any dividend upon any
                  class of stock  other than  Common  Stock or in payment of any
                  debt,  the  Corporation  shall be deemed to have  received for
                  such   Additional   Shares  of  Common  Stock  or  Convertible
                  Securities  a  consideration  equal  to  the  amount  of  such
                  dividend or debt so paid or satisfied.

         (i)      FRACTIONAL  INTERESTS.  In  computing  adjustments  under this
                  Section 3, fractional interests in Common Stock shall be taken
                  into account to the nearest one-hundredth of a share.

         (j)      ANTIDILUTION  PROVISIONS.  No  adjustment  shall  be made as a
                  result of any increase in the number of  Additional  Shares of
                  Common  Stock  issuable or any  decrease in the  consideration
                  payable  upon any  issuance  of  Additional  Shares  of Common
                  Stock,  pursuant to any  provisions  intended  solely to avoid
                  dilution  contained  in any  warrants,  rights or  Convertible
                  Securities.

         (k)      WHEN ADJUSTMENT NOT REQUIRED.

                  (i)      If the Corporation shall take a record of the holders
                           of its Common Stock for the purpose of entitling them
                           to receive a dividend or distribution or subscription
                           or purchase  rights and shall,  thereafter and before
                           the  distribution  to stockholders  thereof,  legally
                           abandon  its plan to pay or  deliver  such  dividend,
                           distribution,  subscription or purchase rights,  then
                           thereafter no adjustment  shall be required by reason
                           of the taking of such record and any such  adjustment
                           previously made in respect thereof shall be rescinded
                           and annulled.

                  (ii)     If the Corporation  declares or makes any dividend or
                           distribution with respect to Common Stock, other than
                           regular cash dividends or dividends payable solely in
                           shares of Common  Stock,  and each holder of Series B
                           Preferred Stock  concurrently  receives  dividends or
                           distributions equal in amount and in the same kind of
                           property (whether cash, securities or other property)
                           as such holder would be entitled to receive if all of
                           the   outstanding   Series  B  Preferred  Stock  were
                           converted  into Common Stock as of the record date of
                           such dividend or distribution  with respect to Common


                                       9
<PAGE>

                           Stock,   then  thereafter  no  adjustment   shall  be
                           required   with   respect   to   such   dividend   or
                           distribution.

         (l)      OTHER ACTION AFFECTING COMMON STOCK. If a state of facts shall
                  occur which,  without  being  specifically  controlled  by the
                  other  provisions of this Section 3, would not fairly  protect
                  the  conversion  rights  of the  Series B  Preferred  Stock in
                  accordance  with the essential  intent and  principles of such
                  provisions,  then the Board of  Directors  of the  Corporation
                  shall in good faith make an adjustment in the  application  of
                  such provisions,  in accordance with such essential intent and
                  principles, so as to protect such conversion rights.

         (m)      NECESSARY  CORPORATE  ACTION.  Before  taking any action which
                  would result in an adjustment  in the  Conversion  Ratio,  the
                  Corporation shall obtain all such authorizations  orexemptions
                  thereof,  or consents  thereto,  as may be necessary  from any
                  public regulatory body or bodies having jurisdiction thereof.

         (n)      TAXES  UPON   CONVERSION.   The  Corporation   shall  pay  all
                  documentary,  stamp or other transaction taxes attributable to
                  the  issuance  or  delivery  of shares of  Common  Stock  upon
                  conversion of any shares of Series B Preferred Stock.

         (o)      RESERVATION  OF COMMON  STOCK.  The  Corporation  shall at all
                  times  reserve and keep  available out of its  authorized  but
                  unissued  shares of Common  Stock  solely  for the  purpose of
                  effecting  the  conversion  of shares  of  Series B  Preferred
                  Stock,  the full number of whole  shares of Common  Stock then
                  deliverable  upon the  conversion  of all  shares  of Series B
                  Preferred Stock at the time outstanding.  All shares of Common
                  Stock  which  shall be so  issuable  shall,  when  issued upon
                  conversion  of all or any  portion of the  Series B  Preferred
                  Stock,   be  duly  and  validly  issued  and  fully  paid  and
                  non-assessable and free from all taxes, liens and charges with
                  respect to the issuance  thereof.  Upon conversion of Series B
                  Preferred  Stock,  the shares of Series B  Preferred  Stock so
                  converted  shall have the status of  authorized  and  unissued
                  Preferred  Stock,  and  the  number  of  shares  of  Series  B
                  Preferred Stock which the Corporation  shall have authority to
                  issue shall be decreased by any such conversion.

         (p)      DIVIDENDS CONSTITUTE CORPORATE DEBT. All dividends accrued and
                  unpaid on Series B Preferred  Stock to and  including the date
                  of  conversion,  whether  or  not  declared  by the  Board  of
                  Directors,  shall constitute a debt of the Corporation payable
                  without  interest to the converting  holders and shall be paid
                  by the  Corporation  on the  Conversion  Date,  in its option,
                  either  in cash  or by the  issuance  of  Dividend  Shares  as
                  provided in Section 4 hereof.

4.       NO PREEMPTIVE  RIGHTS. No holder of Series B Preferred Stock shall have
         any preemptive or  preferential  right of subscription to any shares of
         stock of the  Corporation,  or to options,  warrants or other interests
         therein or therefor,  or to any obligations  convertible  into stock of
         the  Corporation,  issued or sold, or any right of  subscription to any
         thereof  other than such,  if any,  as the Board of  Directors,  in its
         discretion, from time to time may determine and at such price or prices
         as the Board of  Directors  from time to time may fix  pursuant  to the
         authority conferred by the Corporation's Certificate of Incorporation.

5.       CERTAIN  RESTRICTIONS.  So long as any  Series  B  Preferred  Stock  is
         outstanding,  the Corporation shall not, without the consent of holders
         of a majority of the  outstanding  shares of Series B Preferred  Stock,
         (i)  purchase,  redeem or otherwise  acquire any shares of any class of
         the  Corporation's  outstanding  capital stock, (ii) issue any class or
         series of any class of capital stock which ranks prior to or pari passu
         with the Series B Preferred  Stock with  respect to dividend  rights or
         rights on  liquidation,  winding-up or dissolution of the  Corporation,
         (iii) amend, alter or change the preferences or rights of any series or


                                       10
<PAGE>

         class of  capital  stock of the  Corporation  (including  the  Series B
         Preferred  Stock) or the  qualifications,  limitations or  restrictions
         thereof if such amendment,  alteration or change adversely  affects the
         Series B Preferred Stock, (iv) increase the authorized number of shares
         of Series B Preferred  Stock,  (v) take any action which results in the
         liquidation,  acquisition,  merger  or  sale of the  Company  or all or
         substantially all of its assets,  (vi) take any action which results in
         a change in the  principal  business of the Company,  or (vii) take any
         action which results in the repurchase of equity securities, other than
         the repurchase of equity securities from Company employees.

6.       DEFINITIONS.

         (a)      "Additional  Shares of Common  Stock" shall mean all shares of
                  Common  Stock issued by the  Corporation  after June 15, 1998,
                  except  Common Stock which may be issued  pursuant to: (i) the
                  conversion of the Series B Preferred Stock;  (ii) the exercise
                  by the  holders  thereof  of the  Corporation's  common  stock
                  purchase warrants (the "Warrants");  (iii) the exercise by the
                  holders  thereof of any options which may be granted  pursuant
                  to the  Corporation's  Stock Option Plan; (iv) the exercise by
                  the holders thereof of any currently  issued options;  and (v)
                  the  exercise by employees  of the  Corporation  or any of its
                  subsidiaries of options  granted  pursuant to any stock option
                  plan which may hereafter be adopted by the  Corporation  where
                  the  exercise  price of such options is not less than the fair
                  market  value of a share of Common  Stock on the date of grant
                  thereof.

         (b)      "Change in Control"  shall mean a merger or  consolidation  of
                  the  Corporation  with any  other  corporation,  other  than a
                  merger or  consolidation  which  would  result  in the  voting
                  securities of the Corporation  outstanding  immediately  prior
                  thereto   continuing   to   represent   (either  by  remaining
                  outstanding or by being  converted  into voting  securities of
                  the  surviving  entity) at least  fifty  percent  (50%) of the
                  total of the voting power represented by the voting securities
                  of  the  Corporation  or  such  surviving  entity  outstanding
                  immediately  after such merger or consolidation  or, except as
                  provided  under  Section 2 hereof,  the  closing  of a sale or
                  disposition by the Corporation of all or substantially  all of
                  the  Corporation's  assets  (other  than  to a  subsidiary  or
                  subsidiaries of the Corporation).

         (c)      "Common  Stock"  shall mean the shares of common  stock of the
                  Corporation,  par value  $.01 per  share,  and any stock  into
                  which such Common Stock may hereinafter be changed.

         (d)      "Conversion Date" shall have the meaning such term is given in
                  Section 3(b) hereof.

         (e)      "Conversion  Notice" shall have the meaning such term is given
                  in Section 3(b) hereof.

         (f)      "Conversion  Ratio"  shall have the meaning such term is given
                  in Section 3(d) hereof.

         (g)      "Conversion  Shares" shall have the meaning such term is given
                  in Section 3(a) hereof.

         (h)      "Convertible Securities" shall mean evidences of indebtedness,
                  shares of stock or other securities which are convertible into
                  or exercisable or exchangeable for, with or without payment of
                  additional  consideration in cash or property,  for Additional
                  Shares of Common Stock, either immediately or upon the arrival
                  of a specified date or the happening of a specified event.


                                       11
<PAGE>

         (i)      "Current  Market  Price" per share of Common Stock at any date
                  herein  specified  shall mean the average of the daily  market
                  prices  for 5  consecutive  Trading  Days  ending  on the last
                  trading day prior to such date,  except  that for  purposes of
                  Section 3(c) hereof,  the "Current  Market Price" per share of
                  Common  Stock shall mean the market  prices on the Trading Day
                  therein specified.  The market price for each such Trading Day
                  shall be (i) if the  Common  Stock  is  quoted  on the  Nasdaq
                  National Market or Nasdaq Small Cap Market,  the reported last
                  sales price, or (ii) if the Common Stock is listed or admitted
                  to  trading  on  a  national  securities  exchange,  the  last
                  reported  sales  prices  regular  way,  or (iii) if the Common
                  Stock is quoted on the NASD OTC Bulletin Board, the average of
                  the closing bid and asked  prices  regular way, or (iv) if the
                  Common Stock is not so quoted, as reasonably determined by the
                  Board of Directors of the Corporation.

         (j)      "Liquidation  Preference"  shall have the meaning such term is
                  given in Section 2 hereof.

         (k)      "Person" shall mean any individual, corporation,  association,
                  company,   business   trust,   partnership,   joint   venture,
                  joint-stock  company,  trust,  unincorporated  organization or
                  association   or   government   or  any  agency  or  political
                  subdivision thereof.

         (l)      "Securities  Act" shall mean the  Securities  Act of 1933,  as
                  amended.

         (m)      "Trading  Day" shall mean any day on which trading takes place
                  (i) in the  over-the-counter-market and prices reflecting such
                  trading  are   published  by  the  National   Association   of
                  Securities  Dealers Automated  Quotation System or (ii) if the
                  Common  Stock is then  listed  or  admitted  to  trading  on a
                  national  securities  exchange,   on  the  principal  national
                  securities  exchange on which the Common  Stock is then listed
                  or admitted to trading.

         IN WITNESS WHEREOF,  the undersigned has executed this Certificate this
__ day of ___________, 1998.


                                       DERMA SCIENCES, INC.



                                       By:_______________________
                                          Edward J. Quilty
                                          Chairman

ATTEST:

By: ___________________________
    Stephen T. Wills, CPA, MST
    Vice President, Chief Financial Officer
    and Secretary





                                WARRANT AGREEMENT


         WARRANT  AGREEMENT  dated as of June __, 1998 between  Derma  Sciences,
Inc.(the "Company") and StockTrans, Inc. (the "Warrant Agent").

         The Company  proposes to issue  common  stock  purchase  warrants  (the
"Warrants").  Each Warrant  entitles the holder thereof to purchase one share of
Common Stock, par value $.01 per share (the "Common Stock"), at a purchase price
of $1.35 per whole share. The Warrant Agent, at the request of the Company,  has
agreed to act as the  agent of the  Company  in  connection  with the  issuance,
registration,  transfer,  exchange, and exercise of Warrants. Each Warrant shall
be  exchangeable  at the  holder's  request  pursuant  to the terms of Section 6
hereof.

         NOW,  THEREFORE,  in consideration of the mutual  agreements herein set
forth:

         SECTION 1.  Appointment of Warrant Agent.  The Company hereby  appoints
the  Warrant  Agent to act as  agent  for the  Company  in  accordance  with the
instructions  hereinafter  set forth in this  Agreement,  and the Warrant  Agent
hereby accepts such appointment.  The Company may from time to time appoint such
Co-Warrant  Agents as it may deem  necessary  or  desirable.  The Company  shall
promptly  notify the Warrant Agent from time to time in writing of the number of
Warrants to be issued and furnish written instructions in connection therewith.

         SECTION 2. Form of Warrant Certificates.  The Warrant Certificates (and
the forms of election to purchase  shares and of assignment to be printed on the
reverse  thereof)  shall be  substantially  of the tenor and purport  recited in
Exhibit  A  hereto  and may  have  such  letters,  numbers  or  other  marks  of
identification  or  designation  and such  legends,  summaries  or  endorsements
printed,  lithographed or engraved  thereon as the Company may deem  appropriate
and as are not inconsistent with the provisions of this Warrant Agreement, or as
may be  required  to  comply  with any law or with any rule or  regulation  made
pursuant  thereto or with any rule or regulation of any stock  exchange on which
the  Warrants  may from time to time be  listed,  or to  conform  to usage.  The
Warrant  Certificates  shall be dated as of the date of issuance  thereof by the
Warrant Agent,  either upon initial  issuance or upon transfer or exchange,  and
initially  shall  entitle  the holders  thereof to purchase  one share of Common
Stock,  but the number of such shares and the purchase price per share of Common
Stock  shall  be  subject  to  adjustments  as  provided   herein.   

         SECTION 3. Countersignature and Registration.  The Warrant Certificates
shall be  executed on behalf of the  Company by the  Chairman  of the Board,  by
facsimile signature,  and shall be attested by the President or the Secretary of
the Company by facsimile  signature.  The Warrant Certificates shall be manually
countersigned by the Warrant Agent and shall not be valid for any purpose unless
so  countersigned.  In case any of the  Company who shall have signed any of the
Warrant   Certificates   shall   cease  to  be  such  of  the   Company   before
countersignature  by the Warrant Agent and issuance and delivery by the Company,
such Warrant  Certificates,  nevertheless,  may be  countersigned by the Warrant
Agent,  issued and delivered with the same force and effect as though the person
who signed such  Warrant  Certificates  had not ceased to be such officer of the
Company;  and any Warrant Certificates may be signed on behalf of the Company by


                                       1
<PAGE>

any  person  who,  at  the  actual  date  of  the   execution  of  such  Warrant
Certificates,  shall be a proper  officer of the  Company  to sign such  Warrant
Certificates,  although at the date of the  execution of this Warrant  Agreement
any such person was not such an officer.

         The Warrant  Agent will keep or cause to be kept, at one of its offices
in the City of Ardmore,  Commonwealth of Pennsylvania books for registration and
transfer of the Warrant Certificates issued hereunder. Such books shall show the
names and addresses of the respective holders of the Warrant  Certificates,  the
number of Warrants  evidenced  on its face by each of the Warrant  Certificates,
and the date of each of the Warrant Certificates.

         The Warrant Agent shall countersign a Warrant Certificate only (a) upon
initial  issuance of the Warrants in accordance with the written order signed by
the Chairman of the Board and Chief Executive Officer, the President or any Vice
President  or (b)  upon  exchange,  transfer  or  substitution  for  one or more
previously countersigned Warrant Certificates as hereinafter provided.

         SECTION 4.  Transfer  and  Exchange.  Subject to Section 6 hereof,  the
Warrant Agent shall, from time to time, register the transfer of any outstanding
Warrant  Certificate  upon the books to be  maintained  by the Warrant Agent for
that  purpose,   upon  surrender  thereof  for  transfer  properly  endorsed  or
accompanied by appropriate  instruments of transfer and written instructions for
transfer.  Upon any such  registration  of transfer,  a new Warrant  Certificate
shall be issued to the transferee and the surrendered  Warrant Certificate shall
be canceled by the Warrant Agent.  Any Warrant  Certificate  may be exchanged at
the option of the holder  thereof,  upon  surrender at the office of the Warrant
Agent specified in Section 21 hereof, for another Warrant Certificate,  or other
Warrant Certificates of different  denominations,  representing in the aggregate
the right to purchase a like  number of shares of Common  Stock.  No  fractional
Warrant  Certificates  will be issued.  The Company may require payment of a sum
sufficient  to cover  any tax or  governmental  charge  that may be  imposed  in
connection with any transfer or exchange of Warrant Certificates.

         SECTION 5. Common Stock and Warrant Common Stock.  As hereinafter  used
in this  Agreement,  Common  Stock shall mean stock of the Company of any class,
whether now or hereafter  authorized,  which has the right to participate in the
distribution  of either  earnings or assets of the Company  without  limit as to
amount or percentage, and Warrant Common Stock shall mean only Common Stock, and
stock of any other class into which such presently  authorized  Common Stock may
hereafter be changed,  issuable  upon  exercise or exchange of the  Warrant.  In
case,  by reason of the  operation of Section 7, the Warrants  shall entitle the
registered  holders  thereof  to  purchase  any  other  shares of stock or other
securities or property of the Company or of any other corporation, any reference
in this  Agreement  to the  exercise  Warrants  shall be  deemed to refer to and
include  the  purchase  of such  other  shares of stock or other  securities  or
property  upon such  exercise.  

         SECTION 6. Warrant  Price;  Conversion  Date of  Warrants;  Exchange of
Warrants.  The  registered  holder of any Warrant  Certificate  may  exercise or
exchange  the Warrants  evidenced  thereby in whole or in part at any time on or
after the date hereof upon surrender of the Warrant Certificate with the form of
election to purchase or exchange on the reverse side thereof duly  executed,  to


                                       2
<PAGE>

the Warrant  Agent at the  principal  office of the Warrant Agent in the City of
Ardmore,  Commonwealth  of  Pennsylvania,  together with payment of the purchase
price for each one share of Common Stock as to which the Warrants are exercised,
at or prior to 3:30 p.m.  Eastern  Standard Time on June 15, 2002 (the "Exercise
Date").

         The  purchase  price for each  share of Common  Stock  pursuant  to the
exercise of a Warrant  (the  "Warrant  Price")  shall be $1.35 during the period
from the date hereof until the Exercise Date, in each case as adjusted  pursuant
to Section 7 hereof,  and shall be payable in lawful money of the United  States
of America.

         The Warrants  may be  exchanged,  in whole or in part,  at the holder's
option, for that number of shares of Common Stock obtained by dividing the value
of the Warrant  (determined by subtracting  the aggregate  exercise price of the
Warrant from the  aggregate  fair market value of the number of shares of Common
Stock  issuable upon  exercise of the Warrant),  by the fair market value of one
share of Common Stock prior to the exchange.

         SECTION 7.  Warrant  Adjustments.  The Warrant  Price and the number of
shares  purchasable upon exercise of a Warrant shall be subject to adjustment as
follows:

         (a) Stock Dividends, Subdivisions,  Combinations and Reclassifications.
In case the  Company  shall at any time  after  the date of this  Agreement  (i)
declare a dividend on the Common Stock payable in shares of Common  Stock,  (ii)
subdivide the outstanding  Common Stock,  (iii) combine the  outstanding  Common
Stock into a smaller  number of shares,  or (iv) issue any shares of its capital
stock  in  a   reclassification   of  the  Common  Stock   (including  any  such
reclassification  in  connection  with a  consolidation  or  merger in which the
Company is the continuing corporation),  the Warrant Price in effect at the time
of  the  record  date  for  such  dividend  or of the  effective  date  of  such
subdivision,  combination  or  reclassification,  and/or  the number and kind of
shares of capital  stock  issuable  upon  exercise of the  Warrants on such date
shall be  proportionately  adjusted so that the holder of any Warrant  exercised
after such time shall be entitled to receive  the  aggregate  number and kind of
shares of capital stock which,  if such Warrant had been  exercised  immediately
prior to such date and at a time when the  Common  Stock  transfer  books of the
Company  were open,  such holder  would have owned upon such  exercise  and been
entitled  to receive by virtue of such  dividend,  subdivision,  combination  or
reclassification.  Such adjustment shall be made successively whenever any event
listed above shall occur.

         (b)  Subscriptions.  If at any time after the date  hereof the  Company
shall fix a record date for the issuance of rights or warrants to all holders of
its Common Stock, entitling them (for a period expiring within 45 days after the
record date  mentioned  below) to subscribe for or to purchase  shares of Common
Stock (or  securities  convertible  into  shares  of  Common  Stock) or having a
conversion  price per share of Common Stock (if a security is  convertible  into
Common Stock) at a price per share less than the Current  Market Price per share
of Common Stock on such record date (as  determined in the manner  prescribed in
Section 8 hereof) the Warrant  Price shall be decreased to an amount  determined
by  multiplying  such Warrant Price in effect  immediately  prior to such record


                                       3
<PAGE>

date by a fraction,  the  numerator  of which is the sum of the total  number of
shares of Common Stock  outstanding  immediately  prior to such record date plus
the number of shares of Common Stock which the aggregate  offering  price of the
total  number  of  shares of Common  Stock so to be  offered  (or the  aggregate
initial  conversion price of the convertible  securities so to be offered) would
purchase at such Current Market Price and the  denominator of which shall be the
number of shares of Common Stock outstanding on such record date plus the number
of additional  shares of Common Stock to be offered for subscription or purchase
(or into  which  the  convertible  securities  so to be  offered  are  initially
convertible).  In case such  subscription  price may be paid in a  consideration
part or all of which  shall be in a form  other  than  cash,  the  value of such
consideration  shall be as  determined by the Board of Directors of the Company,
whose determination shall be conclusive, and described in a statement filed with
the Warrant Agent.  Such adjustment shall be made  successively  whenever such a
record date is fixed;  and in the event that such rights or warrants  are not so
issued,  the  Warrant  Price shall again be adjusted to be the price which would
then be in effect if such record date had not been fixed. 

         (c)  Distributions.  If at any time after the date  hereof the  Company
shall fix a record date for the making of a  distribution  to all holders of its
Common  Stock  of  evidences  of its  indebtedness  or  assets  (excluding  cash
distributions  made as a  dividend  payable  out of  earnings  or out of surplus
legally  available  for  dividends  under  the laws of the  jurisdiction  of the
Company) or rights to subscribe  (excluding  those referred to in subsection (b)
above),  then in each case the Warrant Price in effect immediately prior to such
record date shall be  decreased  to an amount  determined  by  multiplying  such
Warrant Price by a fraction,  the numerator of which is the Current Market Price
on such record date less the then fair market value (as  determined by the Board
of  Directors of the  Company,  whose  determination  shall be  conclusive,  and
described  in a  statement  filed  with the  Warrant  Agent)  of the  assets  or
evidences of indebtedness so distributed or of such subscription  rights and the
denominator  of which is the Current  Market  Price at such date.  The number of
shares  purchasable on such record date shall be increased to a number of shares
equal to (i) the number of shares  purchasable at the date of such  distribution
multiplied by the Warrant Price in effect  immediately  prior to the  adjustment
required by the preceding  sentence,  divided by (ii) the adjusted Warrant Price
computed  pursuant to the preceding  sentence.  Such  adjustments  shall be made
successively  whenever  such a record date is fixed;  and in the event that such
distribution  is not so made,  the Warrant  Price shall again be adjusted to the
Warrant  Price  which  would then be in effect if such  record date had not been
fixed. 

         (d) Consolidation,  Merger or Sale of Assets. If, prior to the exercise
of any Warrants,  the Company shall at any time  consolidate  with or merge into
another  corporation,  the holder of any Warrants will thereafter receive,  upon
the  exercise  thereof  in  accordance  with the  terms of this  Agreement,  the
securities  or  property  to which the  holder of the number of shares of Common
Stock then  deliverable  upon the exercise or conversion of such Warrants  would
have been entitled upon such consolidation or merger, and the Company shall take
such steps in connection with such  consolidation  or merger as may be necessary
to assure that the provisions  hereof shall thereafter be applicable,  as nearly
as  reasonably  may be, in relation  to any  securities  or property  thereafter
deliverable  upon the  exercise of the  Warrants.  The Company or the  successor
corporation,  as the case may be, shall execute and deliver to the Warrant Agent
a supplemental  agreement so providing.  A sale of all or substantially  all the
assets  of the  Company  for a  consideration  (apart  from  the  assumption  of
obligations)  consisting primarily of securities shall be deemed a consolidation


                                       4
<PAGE>

or merger for the foregoing  purposes.  The  provisions of this  subsection  (d)
shall similarly apply to successive  mergers or consolidations or sales or other
transfers. 

         (e)  Calculations to the Nearest Cent and  One-Hundredth of a Share. No
adjustment in the Warrant Price shall be required unless such  adjustment  would
require an increase or decrease of at least 1% in such price; provided, however,
that any adjustments which by reason of this Section 7(e) are not required to be
made  shall  be  carried  forward  and  taken  into  account  in any  subsequent
adjustment.  All calculations  under this Section 7 shall be made to the nearest
cent  and  to  the  nearest  one-hundredth  of a  share  as  the  case  may  be.
Notwithstanding  the first  sentence  of this  subsection  (e),  any  adjustment
required by this Section 7 shall be made no later than the earlier of six months
from  the  date  of  the  transaction  which  mandates  such  adjustment  or the
expiration  of the  right  to  exercise  any  Warrant.  

         (f) Notice of Warrant  Adjustment.  Whenever  the Warrant  Price or the
number of shares  purchasable  upon  exercise of a Warrant  shall be adjusted as
provided in this Section 7, the Company  shall  forthwith  file with the Warrant
Agent a certificate, signed by a firm of independent public accountants, showing
in detail the facts  requiring such  adjustment and the Warrant Price and number
of shares so  purchasable  that will be  effective  after such  adjustment.  The
Company shall also cause a notice  setting forth any  adjustments  to be sent by
mailing first class,  postage prepaid, to each registered holder of a Warrant or
Warrants at its address  appearing on the Warrant  register  and, at its option,
may cause a copy of such  notice to be  published  once in an  English  language
newspaper  of general  circulation  in the City of  Ardmore,  Pennsylvania.  The
Warrant Agent shall have no duty with respect to any certificate  filed with, it
except  to keep the same on file and  available  for  inspection  by  registered
holders of Warrants during  reasonable  business hours.  The Warrant Agent shall
not at any time be under any duty or  responsibility  to any holder of a Warrant
to  determine  whether any facts exist which may require any  adjustment  of the
Warrant  Price,  or with respect to the nature of any  adjustment of the Warrant
Price  when  made,  or with  respect  to the  method  employed  in  making  such
adjustment.  

         (g) Other  Notices.  In case the Company  after the date  hereof  shall
propose to take any action of the type described in subsections (b), (c) and (d)
of this Section 7, the Company shall file with the Warrant Agent a  certificate,
signed by the  Chairman,  President or any Vice  President of the Company and by
its  Treasurer  or Assistant  Treasurer  or  Secretary  or  Assistant  Secretary
specifying,  in the case of any action of the type specified in subsection  (d),
the date on which  such  action  shall  take place and shall also set forth such
facts with  respect  thereto as shall be  reasonably  necessary  to indicate the
effect of such action (to the extent such facts may be known on the date of such
notice) on the  Warrant  Price and the  number,  or kind,  or class of shares or
other  securities  or  property  which  shall be  purchasable  upon  exercise of
Warrants.  Such  notice  shall be given  in the case of any  action  of the type
specified in subsections  (b) and (c), at least 10 days prior to the record date
with  respect  thereto  and in the case of any action of the type  specified  in
subsection (d) at least 10 days prior to the taking of such proposed action. The
Company shall also cause a notice  setting forth any  adjustments  to be sent by
mailing first class,  postage  prepaid,  to each registered  holder of a Warrant
Certificate  or Warrant  Certificates  at its address  appearing  on the Warrant
register  and,  at its option,  may cause a copy of such notice to be  published


                                       5
<PAGE>

once in an English  language  newspaper  of general  circulation  in the City of
Princeton,  New Jersey.  Failure to give such notice or any defect therein shall
not affect the  legality or validity  of such  action.  

         (h) No Change in Warrant Terms on  Adjustment.  Irrespective  of any of
the  adjustments  in the Warrant Price or the number of shares of Warrant Common
Stock,  Warrant  Certificates  theretofore or thereafter  issued may continue to
express the same prices and number of shares as are stated in a similar  Warrant
Certificate  issuable  initially,  or at some subsequent time,  pursuant to this
Agreement  and such number of Shares  specified  therein shall be deemed to have
been so adjusted.  

         (i)  Treasury  Shares.  Shares of Common Stock at any time owned by the
Company shall not be deemed to be  outstanding  for purposes of any  computation
under this Section 7. 

         (j) Optional Reduction in Warrant Price.  Anything in this Section 7 to
the  contrary  notwithstanding,  the  Company  shall be  entitled  to make  such
reductions in the Warrant Price,  in addition to those  adjustments  required by
this Section 7, as it in its sole discretion  shall determine to be necessary in
order that any consolidation or subdivision of the Common Stock, issuance wholly
for cash of any Common  Stock at less than the Current  Market  Price,  issuance
wholly  for  cash of  Common  Stock or  securities  which  by  their  terms  are
convertible into or exchangeable for Common Stock,  stock dividend,  issuance of
rights,  options  or  warrants  referred  to  hereinabove  in  this  Section  7,
hereinafter made by the Company to its common stockholders, shall not be taxable
to them.
          
         The  Company  may,  at its  option,  at any time during the term of the
Warrants,   reduce  the  then  current  Exercise  Price  to  any  amount  deemed
appropriate by the Board of Directors of the Company, for any length of time.

         SECTION 8. Current  Market Price.  For all purposes of this  Agreement,
the Current  Market  Price per share of Common Stock on any date shall be deemed
to be the  average  of the  daily  closing  prices  for the  thirty  consecutive
business days commencing  before such date. The closing price for each day shall
be (a) if the Common  Stock  shall be listed or  admitted  to trading on the New
York Stock  Exchange,  the closing price on the  NYSE-Consolidated  Tape (or any
successor composite tape recording  transactions on the New York Stock Exchange)
or,  if  such  a  composite  tape  shall  not  be in use  or  shall  not  report
transactions  in the Common  Stock,  or if the Common Stock shall be listed on a
stock exchange other than the New York Stock  Exchange,  the last reported sales
price regular way on the  principal  national  securities  exchange on which the
Common Stock shall be listed or admitted to trading (which shall be the national
securities  exchange on which the greatest  number of shares of the Common Stock
has been traded during such thirty  consecutive  business  days),  or, in either
case,  if there is no  transaction  on any such day,  the average of the bid and
asked  prices  regular way on such day, or (b) if the Common  Stock shall not be
listed or admitted to trading on any national securities  exchange,  the closing
price, if reported, or, if the closing price is not reported, the average of the
closing  bid and asked  prices,  as  reported  by the  National  Association  of
Securities  Dealers  Automated  Quotation  (Nasdaq) National Market or a similar
source selected from time to time by the Company for the purpose. If on any such


                                       6
<PAGE>

date the  shares of Common  Stock are not  quoted by any such  source,  the fair
value of such shares on such date,  as  determined  by the Board of Directors of
the Company, shall be used.

         SECTION 9.  Exercise of  Warrants.  Subject to the  provisions  of this
Agreement, each registered holder of Warrants shall have the right, which may be
exercised  as in such  Warrant  Certificates  expressed,  to  purchase  from the
Company  (and the  Company  shall issue and sell to such  registered  holders of
Warrants)  all or part of the number of fully paid and  nonassessable  shares of
Warrant  Common Stock  specified in such  Warrant  Certificates  (subject to the
adjustments as herein provided),  upon surrender to the Company at the office of
the Warrant Agent specified in Section 21 hereof,  of such Warrant  Certificates
with the exercise  form on the reverse  thereof  duly filled in and signed,  and
upon  payment to the Warrant  Agent to the account of the Company of the Warrant
Price for the number of shares of Warrant  Common Stock in respect of which such
Warrants are then exercised. The date of exercise of any Warrant shall be deemed
to be the date of its receipt by the Warrant Agent duly filled in and signed and
accompanied  by proper funds as  hereinafter  provided.  Payment of such Warrant
Price may be made in cash, or by certified or official bank check. No adjustment
shall be made for any cash  dividends on shares of Warrant Common Stock issuable
upon exercise of a Warrant. Upon such surrender of Warrants,  and payment of the
Warrant  Price as  aforesaid,  the Company shall issue and cause to be delivered
with all  reasonable  dispatch  to or upon the written  order of the  registered
holder of such Warrants and in such name or names as such registered  holder may
designate,  a  certificate  or  certificates  for the  number of full  shares of
Warrant  Common Stock so purchased  upon the exercise of such Warrants  together
with cash as  provided  in  Section  11 of this  Agreement,  in  respect  of any
fraction of a share of such stock issuable upon such surrender.

         Each person in whose name any certificate for shares of Common Stock is
issued upon the  exercise of Warrants  shall for all  purposes be deemed to have
become the holder of record of the Common Stock represented thereby on, and such
certificate  shall be  dated,  the  date  upon  which  the  Warrant  Certificate
evidencing  such Warrants was duly  surrendered and payment of the Warrant Price
(and any applicable  transfer taxes) was made;  provided,  however,  that if the
date of such  surrender  and  payment  is a date  upon  which the  Common  Stock
transfer  books of the Company are closed,  such person  shall be deemed to have
become the record holder of such shares on, and such certificate shall be dated,
the next succeeding business day on which the Common Stock transfer books of the
Company are open.

         SECTION  10.  Unexercised  Warrants.  To the  extent  that any  Warrant
Certificates remain outstanding at the expiration of the period during which the
Warrants are exercisable,  the unexercised Warrants represented thereby shall be
deemed null and void.

         SECTION 11. Elimination of Fractions. The Company shall not be required
to issue  fractional  shares of stock upon any exercise of  Warrants.  As to any
final  fraction  of a share  which  the same  registered  holder  of one or more
Warrants, the rights under which are exercised in the same transaction or series
of related  transactions,  would  otherwise  be entitled  to purchase  upon such
exercise,  the  Company  shall pay a cash  adjustment  in  respect of such final
fraction in an amount equal to the same fraction of the Current Market Price (as
determined  in the manner  prescribed  in Section 8 hereof) on the  business day
which next  precedes the day of exercise.  


                                       7
<PAGE>

         SECTION 12. Issue Taxes. The Company will pay documentary  stamp taxes,
if any,  attributable to the initial  issuance of shares of Warrant Common Stock
upon the exercise of any Warrant;  provided,  however,  that neither the Company
nor the  Warrant  Agent  shall be  required to pay any tax or taxes which may be
payable in respect of any  transfer  involved  in the issue or  delivery  of any
certificates for shares of Warrant Common Stock in a name other than that of the
registered  holder of  Warrants,  in respect of which such shares are  initially
issued.  

         SECTION  13.  Reservation  of Shares.  The  Company  shall at all times
reserve and keep  available out of its authorized  but unissued  stock,  for the
purpose of  effecting  the  issuance of stock upon  exercise of  Warrants,  such
number of shares of its duly authorized  Warrant Common Stock as shall from time
to time be sufficient  to effect the issuance of shares of Warrant  Common Stock
upon  exercise of all Warrants at the time  outstanding.  

         SECTION 14. Merger or Consolidation or Change of Name of Warrant Agent.
Any corporation  into which the Warrant Agent may be merged or with which it may
be consolidated,  or any corporation  resulting from any merger or consolidation
to which the Warrant Agent shall be a party,  or any  corporation  succeeding to
the corporate trust business of the Warrant Agent, shall be the successor to the
Warrant  Agent  hereunder  without the  execution  or filing of any paper or any
further act on the part of any of the  parties  hereto,  anything  herein to the
contrary notwithstanding.  In the case of Warrants which have been countersigned
by the Warrant  Agent,  but not delivered at the time any such  successor to the
Warrant  Agent  succeeds  to the  agency  created  by this  Agreement,  any such
successor  may adopt the  countersignature  of the  original  Warrant  Agent and
deliver  such  Warrants  so  countersigned;  and in case at that time any of the
Warrants shall not have been  countersigned,  any successor to the Warrant Agent
may  countersign  such Warrants  either in the name of the  predecessor  Warrant
Agent or in the name of the successor  Warrant Agent; and in all such cases such
Warrants  shall have the full force and effect  provided in the  Warrants and in
this  Agreement.  In case at any  time the name of the  Warrant  Agent  shall be
changed and at such time any of the Warrants shall have been  countersigned  but
not delivered,  the Warrant Agent may adopt the countersignature under its prior
name and deliver Warrant Certificates so countersigned, and in case at that time
any of the Warrant  Certificates shall not have been countersigned,  the Warrant
Agent may countersign such Warrant  Certificates  either in its prior name or in
its changed name; and in all such cases such Warrant Certificates shall have the
full  force  and  effect  provided  in the  Warrant  Certificates  and  in  this
Agreement.

         SECTION 15.  Disposition of Proceeds on Exercise of Warrants,  etc. The
Warrant  Agent shall  account  promptly to the Company  with respect to Warrants
exercised and concurrently pay to the Company all moneys received by the Warrant
Agent for the  purchase of shares of Common  Stock  through the exercise of such
Warrants.

         The Warrant  Agent shall keep copies of this  Agreement  available  for
inspection  by holders of Warrants  during normal  business  hours at its office
specified in Section 21 hereof.

         SECTION 16.  Supplements  and  Amendments.  The parties hereto may from
time to time  supplement  or amend this  Agreement  without the  approval of any


                                       8
<PAGE>

holders of  Warrants  to cure any  ambiguity  or to correct  or  supplement  any
provision  contained in this  Agreement  which may be defective or  inconsistent
with any other provision contained herein, or to make such other provisions with
respect to any change or any  supplemental  agreement  as the  parties  may deem
necessary  or  desirable  and which shall not  materially  adversely  affect the
interests of the registered holders of the Warrants.

         SECTION 17. Mutilated or Missing Warrant  Certificates.  If any Warrant
shall be mutilated,  lost, stolen or destroyed the Warrant Agent shall deliver a
new  Warrant  Certificate  of  like  tenor  and  denomination  in  exchange  and
substitution  therefor upon surrender and cancellation of the mutilated  Warrant
Certificate or, in the case of a lost, stolen or destroyed Warrant  Certificate,
upon receipt of evidence  satisfactory  to the Company and the Warrant  Agent of
the loss, theft or destruction of such Warrant  Certificate and, in either case,
upon  receipt  of such  indemnity  as the  Company  and the  Warrant  Agent  may
reasonably  require.  Applicants for substitute Warrant  Certificates shall also
comply  with such other  reasonable  regulations  and pay such other  reasonable
charges as the Warrant Agent or the Company may prescribe.  Any such new Warrant
Certificate shall constitute an original contractual  obligation of the Company,
whether or not the  allegedly  lost,  stolen,  mutilated  or  destroyed  Warrant
Certificate  shall be at any time  enforceable by anyone.  

         SECTION 18. Duties of the Warrant Agent.  The Warrant Agent  undertakes
the duties and obligations  imposed by this Warrant Agreement upon the following
terms and  conditions,  by all of which the Company and the holders of Warrants,
by their acceptance thereof, shall be bound:

         The  Warrant  Agent  shall not be liable for or by reason of any of the
statements  of fact or recitals  contained  in this  Agreement or in the Warrant
Certificates (except its  countersignature  thereof and except such as describes
the Warrant Agent or action taken or to be taken by it) or be required to verify
the same,  but all such  statements and recitals are and shall be deemed to have
been  made by the  Company  only.  The  Warrant  Agent  shall  not be under  any
responsibility in respect of the validity of this Agreement or the execution and
delivery  hereof or in respect  of the  validity  or  execution  of any  Warrant
Certificate (except its countersignature  thereof);  nor shall it be responsible
for any breach by the Company of any  covenant or  condition  contained  in this
Agreement or in any Warrant Certificate to be complied with by the Company;  nor
shall it be responsible for the making of any adjustment in the Warrant Price or
the number of shares issuable upon the exercise of a Warrant  required under the
provisions of Section 7 or responsible  for the manner,  method or amount of any
such change or the ascertaining of the existence of facts that would require any
such  change;  nor  shall  it by  any  act  hereunder  be  deemed  to  make  any
representation  or warranty as to the authorization or reservation of any shares
to be issued  pursuant  to this  Agreement  or any  Warrant or as to whether any
shares will, when issued, be validly issued and fully paid and non-assessable.

         The Warrant  Agent may execute and exercise any of the rights or powers
hereby vested in it or perform any duty hereunder either itself or by or through
its  attorneys,  agents  or  employees,  and  the  Warrant  Agent  shall  not be
answerable or  accountable  for any act,  default,  neglect or misconduct of any


                                       9
<PAGE>

such  attorneys,  agents or employees  or for any loss to the Company  resulting
from such neglect or misconduct,  provided reasonable care had been exercised in
the selection and continued employment thereof.

         The  Warrant   Agent  may  consult  at  any  time  with  legal  counsel
satisfactory  to it (who may be legal counsel for the Company) and the advice of
such counsel shall provide complete  authorization and protection to the Warrant
Agent as to any action  taken or  omitted by it in good faith and in  accordance
with such advice.

         The Warrant  Agent shall incur no  liability or  responsibility  to the
Company  or to any  holder  of a Warrant  Certificate  for any  action  taken in
reliance on any notice,  resolution,  waiver,  consent, order,  certificate,  or
other  paper,  document or  instrument  believed by it to be genuine and to have
been signed, sent or presented by the proper party or parties.

         The Company agrees to pay to the Warrant Agent reasonable  compensation
for all services  rendered by the Warrant Agent in the execution of this Warrant
Agreement, to reimburse the Warrant Agent for all expenses (including reasonable
counsel fees), taxes and governmental  charges and other charges of any kind and
nature incurred by the Warrant Agent in the execution of this Warrant  Agreement
and to  indemnify  the Warrant  Agent and save it  harmless  against any and all
liabilities,  including  judgments,  costs  and  reasonable  counsel  fees,  for
anything  done or omitted by the Warrant  Agent in the execution of this Warrant
Agreement  except  as a  result  of  the  Warrant  Agent's  negligence,  willful
misconduct or bad faith.

         The Warrant Agent and any stockholder, director, officer or employee of
the  Warrant  Agent  may  buy,  sell,  or deal in any of the  Warrants  or other
securities of the Company or become pecuniarily interested in any transaction in
which the  Company  may be  interested,  or  contract  with or lend money to the
Company or otherwise act as fully and freely as though it were not Warrant Agent
under this Warrant  Agreement.  Nothing  herein shall preclude the Warrant Agent
from acting in any other capacity for the Company or for any other legal entity.

         The Warrant Agent shall act  hereunder  solely as agent for the Company
and in a ministerial capacity,  and its duties shall be determined solely by the
provisions  hereof.  The Warrant Agent shall not be liable for anything which it
may do or refrain from doing in connection  with this  Agreement  except for its
own negligence, willful misconduct or bad faith.

         SECTION 19. Change of Warrant  Agent.  The Warrant Agent may resign and
be  discharged  from its duties  under this  Agreement  upon 30 days'  notice in
writing  mailed to the  Company by  registered  or  certified  mail,  and to the
holders of the Warrant  Certificates by first-class mail. The Company may remove
the  Warrant  Agent or any  successor  Warrant  Agent  upon 30 days'  notice  in
writing, mailed to the Warrant Agent or successor Warrant Agent, as the case may
be, and to each  transfer  agent of the Common Stock by  registered or certified
mail, and to the holders of the Warrant Certificates by first-class mail. If the
Warrant Agent shall resign or be removed or shall otherwise  become incapable of
acting,  the Company  shall  appoint a successor  to the Warrant  Agent.  If the
Company  shall  fail to make such  appointment  within a period of 30 days after
such  removal  or after  it has  been  notified  in of such  resignation  by the
resigning  or  incapacitated  Warrant  Agent  or  by  the  holder  of a  Warrant
Certificate  (who  shall,  with  such  notice,   submit  such  holder's  Warrant


                                       10
<PAGE>

Certificate  for inspection by the Company),  then the registered  holder of any
Warrant  Certificate  may apply to any court of competent  jurisdiction  for the
appointment of a new Warrant Agent.

         SECTION 20 Identity of Transfer  Agent.  Forthwith upon the appointment
of any  subsequent  Transfer  Agent for shares of the Common Stock,  the Company
will file with the Warrant Agent a statement  setting forth the name and address
of such Transfer Agent.

         SECTION 21 Notices.  Any notice  pursuant to this Agreement to be given
by the Warrant Agent or by the  registered  holder of any Warrant to the Company
shall  be  sufficiently  given if sent by  first-class  mail,  postage  prepaid,
addressed  (until  another  address is filed in writing by the Company  with the
Warrant Agent) as follows:

                                    Derma Sciences, Inc.
                                    214 Carnegie Center, Suite 100
                                    Princeton, New Jersey  08540
                                    Attention:  Edward J. Quilty

Any  notice  pursuant  to this  Agreement  to be given by the  Company or by the
registered  holder of any Warrant to the Warrant Agreement shall be sufficiently
given if sent by first-class  mail,  postage  prepaid,  addressed (until another
address is filed in writing by the Warrant Agent with the Company) as follows:

                                    StockTrans, Inc.
                                    7 East Lancaster Avenue
                                    Ardmore, Pennsylvania  19003

         SECTION  22  Successors.  All  the  covenants  and  provisions  of this
Agreement  by or for the benefit of the Company or the Warrant  Agent shall bind
and inure to the benefit of their respective successors and assigns hereunder.

         SECTION 23  Governing  Law.  This  Agreement  and each  Warrant  issued
hereunder  shall  be  deemed  to be a  contract  made  under  the  laws  of  the
Commonwealth  of  Pennsylvania,  and for all  purposes  shall  be  construed  in
accordance with the laws of the  Commonwealth of Pennsylvania  without regard to
principles of conflict of laws.

         SECTION 24 Benefits of this Agreement.  Nothing in this Agreement shall
be construed to give to any person or  corporation  other than the Company,  the
Warrant Agent and the registered  holders of the Warrant  Certificates any legal
or equitable  right,  remedy or claim under this  Agreement;  but this Agreement
shall be for the sole and  exclusive  benefit of the Company,  the Warrant Agent
and the registered holders of the Warrant Certificates.

         SECTION 25  Counterparts.  This Agreement may be executed in any number
of counterparts and each of such  counterparts  shall for all purposes be deemed
to be an original,  and all such counterparts shall together  constitute but one
and the same instrument.

         SECTION 26  Registration  of Shares of Common  Stock.  The Company will
furnish to the Warrant Agent, upon request,  an opinion of counsel to the effect


                                       11
<PAGE>

that (a) a Registration  Statement under the Securities Act of 1933, as amended,
is then in effect with respect to the shares of Warrant  Common  Stock  issuable
upon  exercise of the  Warrants  and the  Prospectuses  hereinafter  referred to
comply as to form in all material respects with the requirements of said Act and
the rules and regulations of the Securities and Exchange Commission  thereunder;
or (b) a  Registration  Statement  under said Act with respect to said shares is
not  required.  In the event that said opinion  states that such a  Registration
Statement is in effect the Company will, from time to time,  furnish the Warrant
Agent with current  Prospectuses  meeting the  requirements  of said Act and all
rules and  regulations  thereunder in sufficient  quantity to permit the Warrant
Agent to deliver a Prospectus to each  transferee of a Warrant  Certificate  and
each holder of a Warrant  Certificate upon exercise or conversion  thereof.  The
Company  further agrees to pay all fees,  costs and expenses in connection  with
the preparation and delivery to the Warrant Agent of the foregoing  opinions and
Prospectuses.

         If any shares of Warrant Common Stock issuable upon the exercise of the
Warrants  or the  issuance  thereof  requires  registration  or  approval of any
governmental authority,  including,  without limitation, the filing of necessary
amendments, supplements or post-effective amendments to a Registration Statement
of the  Company  under the  Securities  Act of 1933,  or the taking of any other
action  under  the  laws  of the  United  States  of  America  or any  political
subdivision  hereof  or under  the laws of any  state of the  United  States  of
America before such shares may be validly and legally  issued,  then the Company
covenants that it will in good faith and as expeditiously  as possible  endeavor
to secure and keep effective such registration or approval or to take such other
action, as the case may be.



                         [SIGNATURES ON FOLLOWING PAGE]





                                       12
<PAGE>




         IN WITNESS  WHEREOF,  the  parties  hereto  have  caused  this  Warrant
Agreement  to be  executed  and  delivered  as of the day and year  first  above
written.

                                       DERMA SCIENCES, INC.



                                       By:________________________
                                          Edward J. Quilty
                                          Chairman


ATTEST:


By:____________________________
   Stephen T. Wills, CPA, MST
   Vice President, Chief Financial Officer
   and Secretary



                                       STOCKTRANS, INC.



                                       By:________________________
                                          Jonathan A. Miller
                                          President
ATTEST:


By:________________________________









                                       13
<PAGE>





                                    EXHIBIT A

                     EXERCISABLE AT ANY TIME AT OR PRIOR TO
                    3:30 P.M. NEW YORK, EASTERN STANDARD TIME
                                ON JUNE __, 2002

                               WARRANT CERTIFICATE
                              DERMA SCIENCES, INC.

                                                                 NO. WA-
- --------------------------------------------------------------------------------

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

This certifies that  _________________________________  or registered assigns is
the  registered  holder  of the  number of  Warrants  set  forth  above,  and is
entitled,   upon  surrender  of  this  Warrant  Certificate  at  the  office  of
StockTrans, Inc., Warrant Agent (or any successor as such Warrant Agent), in the
city of __________________, _______________, at any time on or after the date of
the Warrant Agreement (as defined) and at or prior to 3:30 p.m. Eastern Standard
Time June 15, 2002,  to purchase one share of Common  Stock,  par value $.01, of
Derma Sciences, Inc., a Pennsylvania  corporation (the "Company"),  at the price
of $1.35 per whole share.

                  The  applicable  per share  purchase price shown above and the
number of shares  issuable  upon  exercise of the Warrants  represented  by this
Warrant  Certificate  are subject to  adjustment  for the  occurrence of certain
events, including stock dividends and split-ups, combinations,  reorganizations,
reclassifications, consolidations, mergers or sales of properties and assets and
upon the  issuance of certain  rights or warrants to holders of Common  Stock or
the distribution to such holders of assets or indebtedness,  as set forth in the
Warrant Agreement  hereinafter referred to. A complete statement with respect to
such adjustments and to other terms and conditions pertaining to the Warrants is
contained in the Warrant Agreement dated as of June 15, 1998 between the Company
and StockTrans,  Inc.,  Warrant Agent (the "Warrant  Agreement") a copy of which
may be examined  by the  registered  holder  hereof at the office of the Warrant
Agent.

                  The Warrants  may be  exchanged,  in whole or in part,  at the
holder's option,  for that number of shares of Common Stock obtained by dividing
the value of the Warrant  (determined  by  subtracting,  the aggregate  exercise
price of the  Warrant  from the  aggregate  fair  market  value of the number of
shares of Common  Stock  issuable  upon  exercise of the  Warrant),  by the fair
market value of one share of Common Stock prior to the exchange.

                  To  exercise   the  Warrants   represented   by  this  Warrant
Certificate  the form of election to purchase on the reverse hereof must be duly
executed and the accompanying  instructions for the registration and delivery of
the stock must be filled in.

                  The  Warrants  represented  by this  Warrant  Certificate  are
transferable  (subject to the conditions set forth in the preceding  paragraphs)
at the office in the City of Ardmore,  Pennsylvania  of the Warrant Agent (or of
its  successor as Warrant  Agent) by registered  holder  thereof in person or by
attorney duly authorized in writing, upon surrender of this Warrant Certificate.
Upon any such transfer,  a new Warrant  Certificate,  representing  the right to


                                       1
<PAGE>

purchase a like number of shares of the Company's  Common Stock,  will be issued
to the transferee in exchange for this Warrant Certificate.

                  This Warrant Certificate when surrendered at the office in the
City of Ardmore,  Pennsylvania  of the  Warrant  Agent (or of its  successor  as
Warrant  Agent) by the  registered  holder  hereof in person or by attorney duly
authorized  in writing may be  exchanged  for  another  Warrant  Certificate  or
Warrant Certificates, representing in the aggregate the right to purchase a like
number of shares of the Company's Common Stock.

                  If the Warrants  evidenced by this Warrant  Certificate remain
outstanding   at  the  expiration  of  the  period  during  which  Warrants  are
exercisable,  as set forth in the first  paragraph of this Warrant  Certificate,
such Warrants shall thereupon be deemed null and void.

                  No  fractional  shares of Common Stock will be issued upon the
exercise of any Warrant or Warrants  evidenced  hereby,  but in lieu thereof,  a
cash payment will be made, as provided in the Warrant Agreement.

                  No holder of this  Warrant  Certificate  shall be  entitled to
vote or  receive  dividends  or be deemed for any  purpose  the holder of Common
Stock  or of any  other  securities  of the  Company  which  may at any  time be
issuable on the exercise  hereof,  nor shall  anything  contained in the Warrant
Agreement or herein be construed to confer upon the holder hereof,  as such, any
of the  rights of a  stockholder  of the  Company  or any right to vote upon any
matter submitted to stockholders at any meeting thereof,  or to give or withhold
consent to any corporate  action  (whether upon any  recapitalization,  issue of
stock,  reclassification of stock, change of par value,  consolidation,  merger,
conveyance,  or otherwise) or, except as provided in the Warrant  Agreement,  to
receive notice of meetings,  or to receive  dividends or subscription  rights or
otherwise,  until the Warrant or Warrants evidenced by this Warrant  Certificate
shall have been exercised as provided in the Warrant Agreement.

                                        DERMA SCIENCES, INC.

ATTEST:
                                        By:_____________________________
                                           Edward J. Quilty, Chairman
By:___________________________
   Stephen T. Wills, CPA, MST
   Vice President, Chief Financial Officer
   and Secretary

                  This Warrant  Certificate is not valid until  countersigned by
the Warrant Agent.

                                       COUNTERSIGNED:

                                       STOCKTRANS, INC.


                                       By:______________________________
                                          Jonathan A. Miller, President



                                       2
<PAGE>

                                FORM OF EXERCISE

                 (FORM OF EXERCISE TO BE EXECUTED BY THE WARRANT
                         HOLDER AT THE TIME OF EXERCISE)


To StockTrans, Inc. or its successor as Warrant Agent:

                  The  undersigned,  holder of the within  Warrant  Certificate,
hereby (1) irrevocably  exercises the  undersigned's  right to purchase ________
shares of Common Stock, par value $0.01 per share, as Derma Sciences,  Inc. (the
"Company")  which the undersigned is entitled to purchase under the terms of the
within Warrant Certificate, or such other securities as the undersigned shall be
entitled to purchase  under the terms of the  Warrant  Agreement  referred to in
such Warrant Certificate by reason of the occurrence of certain events specified
therein,  and (2)  elects to make  payment  in full for the  number of shares of
Common  Stock so  purchased  by  payment  of $____  in cash or by  certified  or
official bank check.

                  Please issue the  certificate of shares of Common Stock in the
name of, and pay any cash for any fractional share to:


- --------------------------------------------------------------------------------
                               Print or type name

- --------------------------------------------------------------------------------
                   Social Security or other Identifying Number

- --------------------------------------------------------------------------------
                                 Street Address

- --------------------------------------------------------------------------------
                           State                                       Zip Code

If such  number  of  shares  shall not be all the  shares  purchasable  upon the
exercise of the Warrants  evidenced by this Warrant  Certificate,  a new Warrant
Certificate  for the balance of such  Warrants  remaining  unexercised  shall be
registered in the name of and delivered to:

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

Please insert social security or other identifying number:

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


- --------------------------------------------------------------------------------
                         (Please print name and address)

Dated: ___________________          ____________________________________________
                                                   Signature
                                      (Signature must conform in all respects to
                                       name of holder  as specified on  the face
                                       if the Warrant Certificate)


(Signature Medallion Guaranteed):  __________________      Date: _______________


(If the Common  Stock,  cash in lieu of fractional  shares,  or Warrants for any
unexercised  balance are to be issued or paid to a person  other than the person
in whose name the within Warrant is registered, or if otherwise requested by the
Company or the Warrant Agent, a signature Medallion guarantee is required.)



                                       3
<PAGE>


                                   ASSIGNMENT

                  (FORM OF ASSIGNMENT TO BE EXECUTED IF WARRANT
                       HOLDER DESIRES TO TRANSFER WARRANT)


                  FOR  VALUE   RECEIVED,   _____________________________________
hereby sells,  assigns,  and transfer unto  ______________________  this Warrant
Certificate  together with all right,  title or interest therein and does hereby
irrevocably  appoint  ______________________  attorney  to  transfer  the within
Warrant  Certificate  on the  books of the  Warrant  Agent  with  full  power of
substitution in the premises.

Dated: ___________________           ___________________________________________
                                                     Signature
                                    (Signature  must  conform in all respects to
                                    name of holder as  specified  on the face if
                                    the Warrant Certificate)


(Signature Medallion Guaranteed):  __________________        Date: _____________






                           (FORM OF FACE OF DEBENTURE)

THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE UNITED STATES  SECURITIES ACT OF
1933,  AS AMENDED  (THE  "SECURITIES  ACT"),  OR ANY STATE  SECURITIES  LAWS AND
NEITHER THIS SECURITY NOR ANY INTEREST OR  PARTICIPATION  HEREIN MAY BE OFFERED,
SOLD OR OTHERWISE  TRANSFERRED  WITHIN THE "UNITED STATES" OR TO "U.S.  PERSONS"
(AS DEFINED IN  REGULATION  S UNDER THE  SECURITIES  ACT) IN THE ABSENCE OF SUCH
REGISTRATION OR AN APPLICABLE EXEMPTION THEREFROM.  THE HOLDER OF THIS SECURITY,
BY ITS ACCEPTANCE HEREOF, REPRESENTS, ACKNOWLEDGES AND AGREES FOR THE BENEFIT OF
THE COMPANY THAT: (I) IT HAS ACQUIRED A "RESTRICTED" SECURITY WHICH HAS NOT BEEN
REGISTERED  UNDER THE SECURITIES ACT; (II) IT WILL NOT OFFER,  SELL OR OTHERWISE
TRANSFER  THIS  SECURITY,  PRIOR TO THE DATE WHICH IS ONE YEAR AFTER THE DATE OF
ORIGINAL  ISSUANCE HEREOF EXCEPT (A) TO DERMA SCIENCES,  INC., (B) PURSUANT TO A
REGISTRATION  STATEMENT  WHICH HAS BEEN DECLARED  EFFECTIVE UNDER THE SECURITIES
ACT, (C) OUTSIDE THE UNITED STATES IN A TRANSACTION  MEETING THE REQUIREMENTS OF
RULE 904  UNDER  THE  SECURITIES  ACT,  OR (D)  PURSUANT  TO  ANOTHER  AVAILABLE
EXEMPTION FROM THE REGISTRATION  REQUIREMENTS OF THE SECURITIES ACT AS CONFIRMED
IN AN OPINION OF COUNSEL  ACCEPTABLE IN FORM AND SUBSTANCE TO THE ISSUER OF THIS
SECURITY AND, IN EACH CASE, IN ACCORDANCE WITH THE APPLICABLE SECURITIES LAWS OF
ANY STATE OF THE UNITED STATES OR ANY OTHER APPLICABLE  JURISDICTION;  AND (III)
IT WILL, AND EACH SUBSEQUENT HOLDER IS REQUIRED TO, NOTIFY ANY PURCHASER FROM IT
OF THIS SECURITY OF THE RESALE  RESTRICTIONS SET FORTH IN (II) ABOVE. ANY OFFER,
SALE OR OTHER DISPOSITION PURSUANT TO THE FOREGOING CLAUSE (II)(D) IS SUBJECT TO
THE RIGHT OF THE ISSUER OF THIS  SECURITY TO REQUIRE THE  DELIVERY OF AN OPINION
OF COUNSEL,  CERTIFICATIONS OR OTHER INFORMATION  ACCEPTABLE TO THEM IN FORM AND
SUBSTANCE.










                                       i
<PAGE>


                              DERMA SCIENCES, INC.
               (Incorporated in the Commonwealth of Pennsylvania)

                   CONVERTIBLE DEBENTURES DUE OCTOBER 15,1998

No. RA-_______________                                        U.S. $____________


                  Derma  Sciences,  Inc., a corporation  duly  incorporated  and
existing under the laws of the Commonwealth of Pennsylvania (the "Company"), for
value received, hereby promises to pay to _____________________________________,
or registered assigns, the principal sum of United States Dollars on October 15,
1998 (the "Stated  Maturity"),  subject to extension  as described  herein.  The
Stated Maturity shall be extended  through the date on which the Company obtains
authorization for the issuance of the Series B Convertible Preferred Stock (such
date, the "Authorization  Date"). The Debentures will be convertible on or after
the Authorization  Date. The Debentures will accrue interest  beginning 120 days
from  the  date  hereof  at a rate  of 6% per  annum,  payable  quarterly,  with
additional  interest  becoming  due each 90-day  period  following  such initial
120-day period during which the Company has failed to obtain  authorization  for
the issuance of the Series B Convertible  Preferred Stock. Interest hereon shall
be calculated on the basis of a 365/366 day year.

                  Reference  is hereby  made to the further  provisions  of this
Debenture  set forth under the Terms and  Conditions  of the  Debentures  on the
reverse hereof,  which further  provisions  shall for all purposes have the same
effect as if set forth at this place.

                  IN WITNESS  WHEREOF,  the Company has caused this Debenture to
be duly executed in its corporate name by the manual or facsimile signature of a
duly authorized  signatory,  as attested to by another duly authorized signatory
of the Company.

Dated:  ______________, 1998

                                        DERMA SCIENCES, INC.


                                        By:________________________________
                                           Edward J. Quilty
                                           Chairman

  ATTEST:


  By:__________________________________
     Stephen T. Wills, CPA, MST
     Vice President, Chief Financial Officer
     and Secretary




                                       ii
<PAGE>



                                [Form of Reverse]
                     Terms and Conditions of the Debentures


1.       General.

         (a) This Debenture is one of a duly  authorized  issue of Debentures of
the  Company  designated  as its  Convertible  Debentures  due  October 15, 1998
(herein called the "Securities").

         (b) The Securities are issuable,  without coupons,  in denominations of
U.S. $20 and integral multiples thereof. The Securities,  and transfers thereof,
shall be in  registered  form as  provided in Section 6 hereof.  The  registered
holder of a Security shall (to the fullest extent  permitted by applicable  law)
be treated at all times,  by all  persons and for all  purposes as the  absolute
owner of such Security,  regardless of any notice of ownership, theft or loss or
of any writing thereon.

         (c) The Securities are direct  obligations of the Company.  Without the
approval  of the  holders  of the  Securities  or except as  otherwise  provided
herein,  the Company may not incur or issue any other indebtedness or securities
which ranks senior or pari passu to the Securities.

         (d) The Company has agreed,  subject to shareholder  approval, to amend
its Certificate of  Incorporation  pursuant to that certain  Purchase  Agreement
dated June 15, 1998 by and between  the  Company  and certain  Purchasers  named
therein ("Purchase Agreement") to allow for the issuance of the shares of Series
B Preferred Stock,  $.01 par value,  set forth in the Purchase  Agreement within
120 days of the date hereof (the  "Authorization  Date"). The Company has agreed
to reserve for issuance the shares of the Company's common stock, $.01 par value
per share, underlying the shares of Series B Convertible Preferred Stock and the
warrants set forth in the Purchase  Agreement (the "Warrants")  (shares issuable
upon conversion of the Series B Preferred Stock and exercise of the Warrants are
collectively referred to as the "Underlying Common Stock"). On the Authorization
Date the  Securities  shall  convert  into  units  (the  "Units")  each of which
consists of one share of Series B Convertible  Preferred  Stock and one Warrant.
Each  Debenture  shall  convert  into such  number  of Units as shall  result by
dividing the principal  amount of Debentures by the purchase price per Unit. The
Company has agreed to file and use its best efforts to cause to become effective
not later than the date specified in the Purchase  Agreement (the  "Registration
Date") a  registration  statement  on Form S-3  (the  "Registration  Statement")
covering the resale of the shares of the  Underlying  Common Stock issuable upon
conversion of the shares of the Series B Preferred  Stock or the exercise of the
Warrants, as the case may be.

2.       Conversion.

         (a)  On  the   Authorization   Date  the   Securities   shall   convert
automatically and without action by the holder thereof into Units, as calculated
above, and shall thereafter be void and of no force or effect.




                                       1
<PAGE>


         (b) No  payment  or  adjustment  shall be made upon any  conversion  on
account of any interest accrued on the Securities  surrendered for conversion or
on account of any  dividends on the  Underlying  Common  Stock.  No fractions of
shares or scrip representing  fractions of shares will be issued or delivered on
conversion,  but instead of any fractional interest the Company shall pay a cash
adjustment as provided herein.

3.       Events of Default.

         In the event that any of the  following  ("Events  of  Default")  shall
occur and be continuing:

         (a) the Company  shall fail to have  sufficient  shares of Common Stock
authorized  and  reserved  for issuance no later than 120 days after the Closing
Date to permit conversion of the Securities; or

         (b) the  Company  shall fail to  maintain  the  Registration  Statement
effective from the date of registration and for one year thereafter; or

         (c) the  Company  shall fail duly to perform or observe any other term,
covenant or agreement contained in any of the Securities for a period of 60 days
after the date on which written notice of such failure, requiring the Company to
remedy the same, shall first have been given to the Company by the holders of at
least  25%  in  aggregate  principal  amount  of  the  Securities  at  the  time
outstanding;  provided,  however, that in the event the Company shall within the
aforesaid  period  of 60 days  commence  legal  action  in a court of  competent
jurisdiction  seeking a  determination  that the  Company had not failed to duly
perform or observe the term or terms,  covenant or  covenants  or  agreement  or
agreements specified in the aforesaid notice, such failure shall not be an Event
of Default  unless the same  continues for a period of 10 days after the date of
any final  determination  to the  effect  that the  Company  had  failed to duly
perform or observe one or more of such terms, covenants or agreements; or

         (d) a court having jurisdiction in the premises shall enter a decree or
order for relief in respect of the Company in an involuntary  case or proceeding
under any applicable bankruptcy, insolvency, reorganization or other similar law
now or hereafter in effect,  or  appointing  a receiver,  liquidator,  assignee,
custodian, trustee, sequestrator (or similar official) of the Company or for any
substantial part of the property of it or ordering the winding-up or liquidation
of the  affairs of it and such  decree or order  shall  remain  unstayed  and in
effect for a period of 30 consecutive days; or

         (e) the Company shall commence a voluntary case or proceeding under any
applicable  bankruptcy,  insolvency,  reorganization or other similar law now or
hereafter in effect,  or shall consent to the entry of an order for relief in an
involuntary  case under any such law, or shall consent to the  appointment of or
taking  possession  by a receiver,  liquidator,  assignee,  trustee,  custodian,
sequestrator (or similar official) of the Company or for any substantial part of
its property, or shall make any general assignment for the benefit of creditors,
or shall admit in writing its  inability  to pay its debts as they become due or
shall take any corporate action in furtherance of any of the foregoing; or



                                       2
<PAGE>


         (f) an event of  default,  as defined in any  indenture  or  instrument
evidencing or under which the Company shall have  outstanding  at least $200,000
(or its  equivalent  in another  currency),  in  aggregate  principal  amount of
indebtedness for borrowed money,  shall have occurred and be continuing and such
default shall involve the failure to pay the principal of such  indebtedness (or
any part  thereof),  when due and payable after the expiration of any applicable
grace  period  with  respect  thereto,  or such  indebtedness  shall  have  been
accelerated  so that the same  shall be or become due and  payable  prior to the
date on which the same would otherwise have become due and payable,  and failure
to pay shall not have  been  cured by the  Company  within  30 days  after  such
failure or such  acceleration  shall not be rescinded or annulled within 60 days
after notice  thereof shall have first been given to the Company;  provided that
if such event of default under such indenture or instrument shall be remedied or
cured by the  Company or waived by the  holders of such  indebtedness,  then the
Event of Default  hereunder by reason  thereof shall be deemed  likewise to have
been thereupon remedied, cured or waived without further action upon the part of
any of the holders of Securities;

then the holder of this  Security  may,  at such  holder's  option,  declare the
principal of this Security and the interest accrued hereon to be due and payable
immediately  in cash by  written  notice to the  Company.  Upon  payment of such
amount of principal and interest in cash,  all of the Company's  obligations  in
respect  of  payment  of  principal  of and  interest  on  this  Security  shall
terminate.

         If an Event of Default,  as defined in this  Section 3, with respect to
the Securities,  or an event which would, with the passing of time or the giving
of notice,  or both be an Event of Default,  shall occur and be continuing,  the
Company  shall within two business  days of becoming  aware  thereof  notify the
holders in writing of such Event of Default.

         The Company  shall  provide to the holders on each  anniversary  of the
date hereof a  certificate  to the effect that there is then existing no default
with respect to the Securities, as defined in this Section.

4.       Merger, Consolidation, Sale, Conveyance or Assumption.

         (a) The Company will not merge or  consolidate  with, or sell or convey
all or  substantially  all of its assets to, any other  corporation,  unless (i)
either  (A) the  Company  shall be the  surviving  corporation  in the case of a
merger or (B) the surviving, resulting or transferee corporation shall expressly
assume the due and punctual  payment of all the  Securities,  according to their
tenor,  and  the  due  and  punctual  performance  of all of the  covenants  and
obligations  of the Company  under the  Securities,  by  supplemental  agreement
reasonably  satisfactory to the holders of the  Securities,  (ii) the surviving,
resulting or transferee corporation, if not organized and validly existing under
the laws of the United States,  shall expressly agree to make payments under the
Securities  free of any  deduction  or  withholding  for or on account of taxes,
levies,  imposts  and  charges  whatsoever  imposed by or for the account of the
jurisdiction  where such successor  corporation is generally subject to taxation
(or any  political  subdivision  or taxing  authority  thereof or  therein) in a
manner equivalent to that set forth herein,  subject to the exceptions contained
in such  forms of the  Securities,  and  (iii)  the  Company  or such  successor



                                       3
<PAGE>

corporation,  as the case may be,  shall not,  immediately  after  such  merger,
consolidation,  sale or  conveyance,  be in  default in the  performance  of any
covenants or obligations of the Company under the Securities.

         (b) Upon any merger,  consolidation,  sale, conveyance or assumption as
provided in Section 4(a), the successor or assuming corporation shall succeed to
and be substituted for, and may exercise every right and power of and be subject
to all the  obligations  of, the  Company  under the  Securities,  with the same
effect  as if such  successor  or  assuming  corporation  had been  named as the
Company  therein and herein and the Company shall be released from its liability
as  obligor  under the  Securities;  provided  that any  successor  or  assuming
corporation  shall have the  obligation  to purchase  the  Securities  only as a
result of circumstances  which occur  subsequent to such merger,  consolidation,
sale,  conveyance or assumption  and as a result of which the Company would have
had such obligation if the Company had remained the obligor on the Securities.

                  In case of any such merger, consolidation, sale, conveyance or
assumption,  such  successor  or assuming  corporation  shall  succeed to and be
substituted  for the Company with the same effect,  subject to (in the case of a
merger to which the Company is a party) Section 4(b) of the Securities, as if it
had been named in the Securities as the Company;  the Company shall thereupon be
relieved  of  any  further  obligation  or  liability   hereunder  or  upon  the
Securities,  and the Company, as the predecessor corporation may thereupon or at
any time  thereafter be dissolved,  wound up or  liquidated.  Subject to all the
terms, conditions and limitations in the Securities prescribed, the successor or
assuming  corporation  shall deliver any Securities  which previously shall have
been signed and delivered by the officers of the Company.  All the Securities so
issued  shall in all  respects  have  the same  legal  rank and  benefit  as the
Securities theretofore or thereafter issued as though all of such Securities had
been issued at the date of the execution hereof.

                  In case of any  merger,  consolidation,  sale,  conveyance  or
assumption,  such changes in phraseology  and form (but not in substance) may be
made in the Securities thereafter to be issued as may be appropriate.

5.       Replacement, Transfer and Exchange of Securities.

         (a) In case any Security shall at any time become mutilated, destroyed,
stolen or lost and such Security or evidence of the loss,  theft or  destruction
thereof  (together  with the  indemnity  hereinafter  referred to and such other
documents or proof as may be required) shall be delivered to the Company,  a new
Security of like tenor and date with appropriate  interest coupons, if any, will
be issued by the Company in exchange for the Security so  mutilated,  or in lieu
of the Security so destroyed,  stolen or lost,  but, in the case of a destroyed,
stolen or lost  Security  only upon  receipt  of  evidence  satisfactory  to the
Company that such Security was destroyed, stolen or lost, and if required by the
Company,  upon  receipt  also of  indemnity  satisfactory  to the  Company.  All
expenses and  reasonable  charges  associated  with procuring such indemnity and
with the  preparation,  authentication  and delivery of a new Security  shall be
borne by the owner of the Security so mutilated, destroyed, stolen or lost.

         (b)  Securities  are  exchangeable  at the  office  of the  Company  in
Princeton,  New Jersey or as designated by the Company for such purpose,  for an


                                       4
<PAGE>

equal aggregate  principal  amount of Securities of authorized  denominations as
required by the holder  surrendering  the same.  In the event of conversion of a
Security  in part only,  a new  Security or  Securities  for the  unredeemed  or
unconverted portion hereof will be issued in the name of the holder thereof.

         (c) The costs and expenses of effecting any exchange or registration of
transfer  pursuant  to the  foregoing  provisions,  except for the  expenses  of
delivery by other than regular mail (if any) and except, if the Company shall so
require,  the payment of a sum sufficient to cover any tax or other governmental
charge or  insurance  charges that may be imposed in relation  thereto,  will be
borne by the Company.

         (d) For  purposes of the  provisions  of this  Security,  any  Security
authenticated   and  delivered   pursuant  hereto  shall,  as  of  any  date  of
determination, be deemed to be "outstanding," except for:

                  (i)  Securities  previously  converted,  or  canceled  by  the
         Company or delivered to the Company for cancellation;

                  (ii) Securities  which have become due and payable at maturity
         or  otherwise  and with  respect  to which  monies  or shares of Common
         Stock,  as  applicable,  sufficient  to pay the  principal  thereof and
         interest thereon shall have been made available to the Company; or

                  (iii) Securities in lieu of or in substitution for which other
         Securities have been authenticated and delivered pursuant hereto;

provided,  however,  that in  determining  whether the holders of the  requisite
principal  amount of outstanding  Securities are present at a meeting of holders
of  Securities  for  quorum   purposes  or  have  given  any  request,   demand,
authorization,  direction, notice, consent or waiver hereunder, Securities owned
by the Company or any subsidiary  thereof shall be disregarded and deemed not to
be outstanding.

6.       Modifications and Amendments.

         (a) Without the consent of any holders of Securities,  modifications of
or amendments to the Securities may be made for any of the following purposes:

                  (i) to evidence the  succession of another  corporation to the
         Company and the  assumption  by any such  successor of the covenants of
         the Company in the Securities;

                  (ii) to add to the covenants of the Company for the benefit of
         the holders of  Securities,  or to surrender  any right or power herein
         conferred upon the Company;

                  (iii) to make provision with respect to the conversion  rights
         of holders of Securities pursuant to Section 2 hereof;

                  (iv) to cure any  ambiguity,  to  correct  or  supplement  any
         provision  herein which may be  inconsistent  with any other  provision
         herein; and


                                       5
<PAGE>

                  (v) to make any other  provisions  with  respect to matters or
         questions arising under this Security;

                  No such action  pursuant to this  paragraph  (a) may adversely
affect the interests of the holders of Securities.

         (b)  Modifications  and amendments to these Securities may be made, and
future  compliance  with  or  past  default  by  the  Company  under  any of the
provisions thereof may be waived,  with the written consent of the holders of at
least a majority in aggregate  principal  amount of the  Securities  at the time
outstanding,  provided,  that no such  modification,  amendment  or waiver  may,
without the consent of the holder of each such Security affected thereby:

                  (i) waive a default  in the  payment  of the  principal  of or
         interest on any Security;

                  (ii)  change  the  Stated  Maturity  (except  as  contemplated
         herein) of the  principal  of or any  installment  of interest  on, any
         Security,  or  reduce  the  principal  amount  thereof  or the  rate of
         interest thereon,  or change the coin or currency in which any Security
         or the interest  thereon is payable,  or adversely  affect the right to
         convert  any  Securities  as  provided  in  Section  2  or  modify  the
         provisions  of the  Securities  with  respect to  subordination  of the
         Securities in a manner adverse to the holders;

                  (iii) reduce the  requirements  of Section 6 hereof for quorum
         or  voting,  or  reduce  the  percentage  in  principal  amount  of the
         outstanding Securities the consent of whose holders is required for any
         amendment  or   modification   of  the  Terms  and  Conditions  of  the
         Securities;

                  (iv)  change the  obligation  of the  Company to  maintain  an
         office or agency in Princeton, New Jersey or the City of New York; or

                  (v) modify any of the  provisions  of this  Section  except to
         increase  any  such   percentage  or  to  provide  that  certain  other
         provisions of the  Securities  cannot be modified or waived without the
         consent of the holder of each outstanding Security affected thereby.

7.       Non-Business Days.

         In any case where the date of maturity of the  principal of or interest
on the  Securities or the date fixed for  redemption of any Security shall be at
any place of  payment a  Saturday,  Sunday,  a legal  holiday  or a day on which
banking  institutions  in  Princeton,  New  Jersey  or the  City of New York are
authorized  or  obligated by law or  executive  order to close,  then payment of
principal  or  interest  need not be made on such date at such  place but may be
made on the  next  succeeding  day at  such  place  of  payment  which  is not a
Saturday,  Sunday,  a legal  holiday or a day on which banking  institutions  in
Princeton, New Jersey or the City of New York are authorized or obligated by law
or  executive  order to close,  with the same force and effect as if made on the
date of maturity or the date fixed for redemption,  and no interest shall accrue
for the period after such date.


                                       6
<PAGE>

8.       Security Register.

         The Company shall cause to be kept at its  principal  office a register
(the "Security Register") in which, subject to such reasonable regulations as it
may prescribe,  the Company shall provide for the registration of Securities and
of transfers of Securities.

         As provided herein and subject to certain limitations therein set forth
and compliance by the holder with applicable state and federal  securities laws,
the  transfer  of  Securities  is  registrable  on the  Security  Register  upon
surrender of a Security for  registration of transfer at the office or agency of
the  Company,  duly  endorsed  by, or  accompanied  by a written  instrument  of
transfer  in form  satisfactory  to the  Company  duly  executed  by, the holder
thereof or his attorney duly  authorized  in writing,  and thereupon one or more
new Securities, of authorized denominations and for the same aggregate principal
amount, will be issued to the designated transferee or transferees.

9.       Notices.

         All notices to the holders of  Securities  will be mailed to registered
holders of Securities at their registered  addresses as the same shall appear in
the Security Register on the day fifteen days prior to such mailing.

10.      Governing Law.

         The  Securities  shall be governed by and construed in accordance  with
the laws of the State of New  York,  without  giving  effect  to  principles  of
conflicts of law.

11.      Countersignature and Registration.

         This  Security  shall not become  valid or  obligatory  for any purpose
until the certificate  representing  this Security shall have been duly executed
by the Company and such signature attested to by an authorized Officer thereof.

12. Warranty of the Company.

         The Company hereby certifies and warrants that all acts, conditions and
things  required to be done and performed and to have happened  precedent to the
creation and issuance of this Security,  and to constitute the same legal, valid
and binding  obligations  of the Company  enforceable  in accordance  with their
terms,  have  been  done and  performed  and  have  happened  in due and  strict
compliance with all applicable laws.

13.      Accounting Terms.

         All  accounting  terms not  otherwise  defined  herein  shall  have the
meanings  assigned to them in  accordance  with  generally  accepted  accounting
principles as applied in the United States.


                                       7
<PAGE>

14.      Descriptive Headings.

         The  descriptive  headings  appearing  herein  are for  convenience  of
reference only and shall not alter, limit or define the provisions hereof.


<PAGE>


                                 TRANSFER NOTICE

         Only if a Security or Unit issued upon  conversion  of any  Security is
transferred (if no registration statement covering the securities comprising the
Units is effective):

FOR VALUE  RECEIVED,  the  undersigned  Holder  hereby  sell(s),  assign(s)  and
transfer(s) unto ________________________________________________________  whose
taxpayer  identification  number is ________________ and whose address including
postal/zip code is______________________________________________________________
_______________________________________  the  within  Security  and  all  rights
thereunder,  hereby  irrevocably  constituting and appointing  _________________
attorney-in-fact to transfer said Security on the books of the Company with full
power of substitution in the premises.

         In  connection  with the  transfer of this  Security,  the  undersigned
Holder certifies that:

         (Check one)

                  [__] (a) This   Security   is   being   transferred  with  the
                           consent   of   the   Company   to   a   sophisticated
                           institutional   investor   which  is  an  "accredited
                           investor"  (within the  meaning of Rule 501(a)  under
                           the   Securities  Act  of  1933,  as  amended)  in  a
                           transaction not involving any general solicitation or
                           advertising.

                  [__] (b) This   Security  is  being   transferred  pursuant to
                           any other  exemption  from, or in a  transaction  not
                           subject  to,  the  registration  requirements  of the
                           Securities  Act of 1933, as amended,  as confirmed in
                           an attached opinion of U.S. counsel.


Dated:_____________             Name:_____________________________


                                By:_______________________________


                                Title:____________________________


                                    NOTICE:  The signature of the Holder to this
                                    assignment  must correspond with the name as
                                    written   upon  the   face  of  the   within
                                    instrument  in  every  particular,   without
                                    enlargement or any change whatsoever.

                                    SIGNATURE GUARANTEED




                                    _____________________________


                                       8
<PAGE>






TO BE COMPLETED BY A BROKER OR DEALER IF (b) ABOVE IS CHECKED:


         The  undersigned  represents  and  warrants  that (i) it is a broker or
dealer  registered  under Section 15 of the Securities  Exchange Act of 1934, as
amended;  (ii) each person which will become a beneficial owner of this Security
upon transfer is a sophisticated  institutional investor which is an "accredited
investor"  (within the meaning of Rule 501(a) under the  Securities Act of 1933,
as amended); (iii) no general solicitation or advertising was made or used by it
in connection  with the offer and sale of this Security to such  person(s);  and
(iv)  each  such  person  has been  notified  that  this  Security  has not been
registered  under the Securities Act of 1933, as amended,  and is subject to the
restrictions on transfer of the Security set forth herein.


Dated:____________________           _________________________________


                                     By:______________________________


         IF NONE OF THE  FOREGOING  BOXES IS CHECKED,  THE HOLDERS  SHALL NOT BE
OBLIGATED  TO  REGISTER  THE  TRANSFER  OF THIS  SECURITY  UNLESS  AND UNTIL THE
CONDITIONS TO ANY SUCH TRANSFER OF  REGISTRATION  SET FORTH HEREIN,  ON THE FACE
HEREOF SHALL HAVE BEEN SATISFIED.












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