Document:

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                                                                  Exhibit 10.24

                             EMPLOYMENT AGREEMENT

   THIS AGREEMENT, dated as of August 13, 2001, is between Dice Inc., a
Delaware corporation (the "Company"), with its principal place of business at 3
Park Avenue, New York, New York, and Peter M. Steiner, an individual residing
at                (the "Employee").

   In consideration of the Company securing the services of the Employee and
the Employee's undertaking employment with the Company, the Company and the
Employee hereby agree to be bound by and comply with the following terms and
conditions and agree as follows:

   Section 1. At-Will Employment. Employee acknowledges and agrees that his
employment status is that of an employee-at-will and that Employee's employment
may be terminated by the Company or the Employee at any time with or without
cause, subject to the terms and conditions in the Addendum hereto.

   Section 2. Compensation. In consideration of the services to be rendered
hereunder, the Employee shall be paid in accordance with the Addendum hereto.

   Section 3. Employee Inventions and Ideas.

   (a) The Employee will maintain current and adequate written records on the
development of, and disclose to the Company, all Inventions (as defined
herein). "Inventions" shall mean all ideas, potential marketing and sales
relationships, inventions, copyrightable expression, research, plans for
products or services, marketing plans, computer software (including, without
limitation, source code), computer programs, original works of authorship,
characters, know-how, trade secrets, information, data, developments,
discoveries, improvements, modifications, technology, algorithms and designs,
whether or not subject to patent or copyright protection, made, conceived,
expressed, developed, or actually or constructively reduced to practice by the
Employee solely or jointly with others during the term of the Employee's
employment with the Company, which refer to, are suggested by, or result from
any work which the Employee may do during his employment, or from any
information obtained from the Company or any affiliate of the Company.

   (b) The Inventions shall be the exclusive property of the Company, and the
Employee acknowledges that all of said Inventions shall be considered as "work
made for hire" belonging to the Company. To the extent that any such
Inventions, under applicable law, may not be considered work made for hire by
the Employee for the Company, the Employee hereby agrees to assign and, upon
its creation, automatically and irrevocably assigns to the Company, without any
further consideration, all right, title and interest in and to such materials,
including, without limitation, any copyright, other intellectual property
rights, moral rights, all contract and licensing rights, and all claims and
causes of action of any kind with respect to such materials. The Company shall
have the exclusive right to use the Inventions, whether original or derivative,
for all purposes without additional compensation to the Employee. At the
Company's expense, the Employee will assist the Company in every proper way to
perfect the Company's rights in the Inventions and to protect the Inventions
throughout the world, including, without limitation, executing in favor of the
Company or any designee(s) of Company patent, copyright, and other applications
and assignments relating to the Inventions. The Employee agrees not to
challenge the validity of the ownership by the Company or its designee(s) in
the Inventions.

   (c) Should the Company be unable to secure the Employee's signature on any
document necessary to apply for, prosecute, obtain, or enforce any patent,
copyright, or other right or protection relating to any Invention, whether due
to the Employee's mental or physical incapacity or any other cause, the
Employee hereby irrevocably designates and appoints the Company and each of its
duly authorized officers and agents as the Employee's agent and attorney in
fact, to act for and in the Employee's behalf and stead and to execute and file
any such document, and to do all other lawfully permitted acts to further the
prosecution, issuance, and enforcement of patents, copyrights, or other rights
or protections with the same force and effect as if executed and delivered by
the Employee.

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   Section 4. Proprietary Information.

   (a) The Employee will not disclose or use, at any time either during or
after the term of employment, except at the request of the Company or an
affiliate of the Company, any Confidential Information (as herein defined).
"Confidential Information" shall mean all Company proprietary information,
technical data, trade secrets, and know-how, including, without limitation,
research, product plans, customer lists, customer preferences, marketing plans
and strategies, software, development, inventions, discoveries, processes,
ideas, formulas, algorithms, technology, designs, drawings, business strategies
and financial data and information, including, but not limited to Inventions,
whether or not marked as "Confidential." "Confidential Information shall also
mean any and all information received by the Company from customers, vendors
and independent contractors of the Company or other third parties subject to a
duty to be kept confidential.

   (b) The Employee hereby acknowledges and agrees that all personal property,
including, without limitation, all books, manuals, records, reports, notes,
contracts, lists, blueprints, and other documents, or materials, or copies
thereof, Confidential Information as defined in Section 4(a) above, and
equipment furnished to or prepared by the Employee in the course of or incident
to his employment, including, without limitation, records and any other
materials pertaining to Inventions, belong to the Company and shall be promptly
returned to the Company upon termination of employment. Following termination,
the Employee will not retain any written or other tangible or electronic
material containing any Confidential Information or information pertaining to
any Invention.

   Section 5. Limited Agreement Not to Compete.

   (a) While employed by the Company and for a period of nine (9) months after
the termination of the Employee's employment with the Company, the Employee
shall not, directly or indirectly, as an employee, employer, consultant, agent,
principal, partner, manager, stockholder, officer, director, or in any other
individual or representative capacity, engage or participate in any business
that is competitive with the business of the Company. Notwithstanding the
foregoing, the Employee may own less than two percent (2%) of any class of
stock or security of any corporation, which competes with the Company listed on
a national securities exchange.

   (b) While employed by the Company and for a period of twelve (12) months
after the termination of the Employee's employment with the Company, the
Employee shall not, directly or indirectly, solicit for employment any person
who was employed by the Company at the time of the Employee's termination from
the Company.

   Section 6. Company Resources. Other than incidental personal use, the
Employee may not use any Company equipment for personal purposes without
written permission from the Company. The Employee may not give access to the
Company's offices or files to any person not in the employ of the Company
without written permission of the Company.

   Section 7. Post-Termination Period. Because of the difficulty of
establishing when any idea, process or invention is first conceived or
developed by the Employee, or whether it results from access to Confidential
Information or the Company's equipment, facilities, and data, the Employee
agrees that any idea, invention, research, plan for products or services,
marketing plan, computer software (including, without limitation, source code),
computer program, original work of authorship, character, know-how, trade
secret, information, data, developments, discoveries, technology, algorithm,
design, patent or copyright, or any improvement, rights, or claims relating to
the foregoing, shall be presumed to be an Invention if it is conceived,
developed, used, sold, exploited or reduced to practice by the Employee or with
the aid of the Employee within one (1) year after termination of employment.
The Employee can rebut the above presumption if he proves the idea, process or
invention (i) was first conceived or developed after termination of employment,
(ii) was conceived or developed entirely on the Employee's own time without
using the Company's equipment, supplies, facilities, personnel or Confidential
Information, and (iii) did not result from or is not derived directly or
indirectly, from any work performed by the Employee for the Company or from
work performed by another employee of the Company to which the Employee had
access.

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   Section 8. Injunctive Relief. The Employee agrees that the remedy at law for
any breach of the provisions of Section 4, Section 4 or Section 5 of this
Agreement shall be inadequate, the Company will suffer immediate and
irreparable harm, and the Company shall be entitled to injunctive relief in
addition to any other remedy at law which the Company may have.

   Section 9. Severability. In the event any of the provisions of this
Agreement shall be held by a court or other tribunal of competent jurisdiction
to be unenforceable, the other provisions of this Agreement shall remain in
full force and effect.

   Section 10. Survival. Sections 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and 13
and the Addendum survive the termination of this Agreement.

   Section 11. Representations and Warranties. The Employee represents and
warrants that the Employee is not under any obligation to any third party which
could interfere with the Employee's performance under this Agreement, and that
the Employee's performance of his obligations to the Company during the term of
his employment with the Company will not breach any agreement by which the
Employee is bound not to disclose any proprietary information including,
without limitation, that of former employers; provided that notwithstanding the
foregoing, in the event employee determines that an action which the Company
requests him to pursue would cause him to violate any such agreement, so
informs the Company, and the Company instructs him to proceed with such action,
Employees proceeding with such action shall not be deemed to be a violation of
this representation and warranty.

   Section 12. Governing Law. The validity, interpretation, enforceability, and
performance of this Agreement shall be governed by and construed in accordance
with the laws of the State of New York without giving effect to its conflict of
law rules.

   Section 13. General. This Agreement supersedes and replaces any existing
agreement between the Employee and the Company relating generally to the same
subject matter, and may be modified only in a writing signed by the parties
hereto. Failure to enforce any provision of the Agreement contains the entire
agreement between the parties with respect to the subject matter herein. The
Employee agrees that he will not assign, transfer, or otherwise dispose of,
whether voluntarily or involuntarily, or by operation of law, any rights or
obligations under this Agreement. Any purported assignment, transfer, or
disposition shall be null and void. Nothing contained in this Agreement shall
prevent the consolidation of the Company with, or its merger into, any other
corporation, or the sale by the Company of all or substantially all of its
properties or assets, or the assignment by the Company of this Agreement and
the performance of its obligations hereunder. Subject to the foregoing, this
Agreement shall be binding upon and shall inure to the benefit of the parties
and their respective heirs, legal representatives, successors, and permitted
assigns, and shall not benefit any person or entity other than those enumerated.

   Section 14. Employee Acknowledgment. The Employee acknowledges (i) that he
has consulted with or has had the opportunity to consult with independent
counsel of his own choice concerning this Agreement and has advised to do so by
the Company, and (ii) that he has read and understands the Agreement, is fully
aware of its legal effect, and has entered into it freely based on his own
judgment.

AGREED TO BY:

DICE INC.                                 PETER M. STEINER

SIGN:_________________________________    SIGN:________________________________

DATE:_________________________________    DATE:________________________________

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         Addendum to Employment Agreement--Peter M. Steiner (Employee)

   Section 1. Title and Job Description. The Employee shall be employed on a
full-time basis, as Senior Vice President, Sales of the Company. In such
capacity, the Employee shall be responsible for the sales operations of the
Company and any other responsibilities reasonably assigned by the Company from
time to time. The Employee shall report to the President and CEO of the Company.

   Section 2. Compensation. In consideration of the services to be rendered
hereunder: the Employee shall be paid an annual base salary of $200,000 per
year (prorated for calendar year 2001) plus a bonus (prorated based on period
of service in year of hire) targeted at 50% of the Employee's annual base
salary amount actually paid to Employee for the year. Employee will also
receive a sign-on bonus of $25,000.

   The Employee shall receive 75,000 stock options ("Stock Options") to be
granted on the administration date following the initial date of the Employee's
employment with the Company, made pursuant to the terms and conditions of
Dice's 1998 Stock Incentive Plan (the "Stock Option Plan") and option-granting
documents and subject to approval by the Board. The Stock Options shall vest
over four years, with twenty-five percent (25%) vesting upon the first
anniversary of the grant and six and one-quarter percent (6 1/4%) vesting
quarterly thereafter.

   The Employee shall be eligible for all employee benefits under the Company's
benefit plans in effect from time to time, including health, life, dental,
vision, short-term disability, 401(k) Plan, and Employee Stock Purchase Plan.
The Employee shall be entitled to four weeks of vacation per year.

   The Employee's compensation shall be reviewed on at least an annual basis.
Employee's performance shall be reviewed six months after the commencement of
employment with the Company, with the potential for a grant of an additional
25,000 stock options in the Company.

   Section 3. Severance. In lieu of any severance pay or severance benefits
otherwise payable to the Employee under any plan, policy, program or
arrangement of the Company or its subsidiaries, the following shall apply:

      (a) If there is a Termination (as herein defined) of the Employee's
   employment with the Company at any time prior to a "Change of Control" (as
   defined herein) without "Cause" (as defined herein), the Employee shall be
   entitled to receive a lump-sum severance payment equal to fifty percent
   (50%) of his then current annual base salary.

      (b) If there is a Termination of the Employee's Employment with the
   Company following a Change of Control, the Employee shall be entitled to
   receive a lump-sum severance payment equal to (i) one hundred percent (100%)
   of his then current annual salary plus (ii) the amount of his then current
   bonus target, and (iii) accelerated vesting with respect to one-hundred
   percent (100%) of his Stock Options.

   Section 4. Definitions.

   (a) For purposes of this Employment Agreement only, a "Change of Control" of
the Company shall be deemed to have occurred if at any time on or after the
date of the Employment Agreement one or more of the following events shall have
occurred:

      (i) the direct or indirect acquisition by any person or related group of
   persons (other than an acquisition from or by the Company or by a
   Company-sponsored employee benefit plan or by a person that directly or
   indirectly controls, is controlled by, or is under common control with, the
   Company) of beneficial ownership (within the meaning of Rule 13d-3 of the
   Securities Exchange Act of 1934, as amended (the "Exchange Act")) of
   securities possessing more than fifty percent (50%) of the total combined
   voting power of the Company's outstanding securities; or

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      (ii) any stockholder-approved transfer or other disposition of all or
   substantially all of the Company's assets; or

      (iii) the Company adopts any plan of liquidation providing for the
   distribution of all or substantially all of its assets; or

      (iv) the consummation by the Company of a reorganization, merger or
   consolidation or sale or other disposition of all or substantially all of
   the assets of the Company or the acquisition of assets or stock of another
   corporation (a "Business Combination"), in each case, unless, following such
   Business Combination, (a) all or substantially all of the individuals and
   entities who were the beneficial owners, respectively, of the outstanding
   common stock and outstanding company voting securities immediately prior to
   such Business Combination beneficially own, directly or indirectly, more
   than 60% of, respectively, the then outstanding shares of common stock and
   the combined voting power of the then outstanding voting securities entitled
   to vote generally in the election of directors, as the case may be, of the
   corporation resulting from such Business Combination (including, without
   limitation, a corporation which as a result of such transaction owns the
   Company or all or substantially all of the Company's assets either directly
   or through one or more subsidiaries) in substantially the same proportions
   as their ownership, immediately prior to such Business Combination of the
   outstanding Company common stock and outstanding Company voting securities,
   as the case may be, (b) no person (excluding any corporation resulting from
   such Business Combination or any employee benefit plan (or related trust) of
   the Company or such corporation resulting from such Business Combination)
   beneficially owns, directly or indirectly, 20% or more of, respectively, the
   then outstanding shares of common stock of the corporation resulting from
   such Business Combination or the combined voting power of the then
   outstanding voting securities of such corporation except to the extent that
   such ownership existed prior to the Business Combination and (c) at least a
   majority of the members of the board of directors of the corporation
   resulting from such Business Combination were members of the incumbent board
   at the time of the execution of the initial agreement, or of the action of
   the board of directors, providing for such Business Combination; or

      (v) a change in the composition of the Board over a period of thirty-six
   (36) months or less such that a majority of the Board members (rounded up to
   the next whole number) ceases, by reason of one or more contested elections
   for Board membership, to be comprised of individuals who are continuing
   directors.

   (b) For purposes of this Employment Agreement only, "Cause" shall mean (i)
embezzlement by the Employee, (ii) misappropriation by the Employee of funds of
the Company, (iii) conviction of a felony, (iv) commission of any other act of
dishonesty which causes material economic harm to the Company, (v) acts of
fraud or deceit by the Employee which causes material economic harm to the
Company, (vi) material breach of any provision of the Employment Agreement by
the Employee, (vii) willful failure by the Employee to substantially perform
such Employee's duties hereunder, (viii) willful breach of fiduciary duty by
the Employee to the Company involving personal profit or (ix) significant
violation of Company policy of which the Employee is made aware (or such
Employee should reasonably be expected to be aware) or other contractual,
statutory or common law duties to the Company. No act, or failure to act on the
part of the Employee, shall be deemed willful unless it is done, or omitted to
be done, by the Employee in bad faith or without reasonable belief that the
Employee's action or omission was in the best interests of the Company.

   (c) For purposes of this Employment Agreement only, "Good Reason" shall mean
(i) a diminution in the responsibilities, title, duties and reporting lines of
the Employee compared to those existing immediately prior to a Change of
Control, (ii) a reduction in salary, incentive compensation and other employee
benefits of the Employee compared to those existing immediately prior to the
Change of Control, (iii) relocation of the Employee to an office more than 40
miles from the principal office at which the Employee is employed immediately
prior to the Change of Control, (iv) any breach by the Company of the
Employment Agreement or (v) the failure of any successor to assume, in writing,
all obligations under the Employment Agreement.

   (d) For purposes of this Employment Agreement only, "Termination" shall mean
termination of the Employee's employment without Cause or by the Employee for
Good Reason.

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   Section 5. Excise Tax. In the event that the Employee becomes entitled to
the payments and benefits provided in Section 3 (the "Severance Payments") of
this Addendum to the Employment Agreement, if any of the Severance Payments
will be subject to the excise tax (the "Excise Tax") imposed under Section 4999
of the Code, the Company shall pay to the Employee an additional amount (the
"Gross-Up Payment") such that the net amount retained by the Employee, after
deduction of any Excise Tax on the Severance Payments and any Federal, state
and local income and employment tax and Excise Tax upon the payments and
benefits provided for by Section 5 of this Addendum to the Employment
Agreement, shall be equal to the Severance Payments. For purposes of
determining whether any of the Severance Payments will be subject to the Excise
Tax and the amount of such Excise Tax, (i) any other payments or benefits
received or to be received by the Employee in connection with a change in
ownership or control (within the meaning of section 280G of the Code and the
regulations promulgated thereunder) of the Company or the Employee's
termination of employment by the Company without Cause or by the Employee for
Good Reason (whether pursuant to the terms of the Employment Agreement or any
other plan, arrangement or agreement with the Company, any person whose actions
result in a change of control or any person affiliated with the Company or such
person) shall be treated as "parachute payments" within the meaning of section
280G(b)(2) of the Code, and all "excess parachute payment" within the meaning
of section 280G(b)(1) of the Code shall be treated as subject to the Excise
Tax, unless in the opinion of tax counsel selected by the Company's'
independent auditors and reasonably acceptable to the Employee such other
payments or benefits (in whole or in part) do not constitute parachute
payments, including by reason of Section 280G(b)(4)(A) of the Code, or such
excess parachute payments (in whole or in part) represent reasonable
compensation for services actually rendered, within the meaning of section
280G(b)(4)(B) of the Code, in excess of the "base amount" allocable to such
reasonable compensation, or are otherwise not subject to the Excise Tax, (ii)
the amount of the Severance Payments which shall be treated as subject to the
Excise Tax shall be equal to the lesser of (A) the total amount of the
Severance Payments or (B) the amount of excess parachute payments within the
meaning of section 280G(b)(1) of the Code (after applying clause (i), above),
and (iii) the value of any non-cash benefits or any deferred payment or benefit
shall be determined by the Company's independent auditors in accordance with
the principles of sections 280G(d)(3) and (4) of the Code. For purposes of
determining the amount of the Gross-Up Payment, the Employee shall be deemed to
pay Federal income taxes at the highest marginal rate of Federal income
taxation in the calendar year in which the Gross-Up Payment is to be made and
state and local income taxes at the highest marginal rate of taxation in the
state and locality of the Employee's residence on the date of termination, net
of the maximum reduction in Federal income taxes which could be obtained from
the deduction of such state and local taxes.

   Section 6. All amounts payable hereunder shall be subject to and paid net of
all required withholding taxes.

AGREED TO BY:

DICE INC.                                 PETER M. STEINER

Sign:                                     Sign:

Date:                                     Date:

                                      6<PAGE>
                                                                   EXHIBIT 10.01

                          EIGHTH AMENDMENT TO AGREEMENT

         This Eighth Amendment ("EIGHTH AMENDMENT") is made by and between Atrix
Laboratories, Inc. a Delaware Corporation ("ATRIX"), with its principal place of
business at 2579 Midpoint Drive, Fort Collins, Colorado 80525-4417, and Block
Drug Corporation, a New Jersey corporation ("BLOCK"), with its principal place
of business at 105 Academy Street, Jersey City, New Jersey 07302-9988, effective
this 24th day of August, 2001 (the "AMENDMENT EFFECTIVE DATE"). Atrix and Block
are sometimes referred to collectively herein as the "PARTIES" and individually
as a "PARTY".

         WHEREAS, the Parties entered into an agreement dated December 16, 1996,
as amended by (i) the First Amendment to Agreement dated as of June 10, 1997,
(ii) the Second Amendment to Agreement dated as of July 31, 1997, (iii) the
Third Amendment to Agreement dated February 4, 1998, (iv) the Fourth Amendment
to Agreement dated as of January 12, 1999; (v) the Fifth Amendment to Agreement
dated as of January 27, 1999, (vi) the Sixth Amendment to Agreement dated as of
September 24, 1999, and (vii) the Seventh Amendment to Agreement dated as of
April 20, 2001 (collectively the "AGREEMENT").

         WHEREAS, the Parties desire to further amend the Agreement on the terms
and conditions set forth herein.

         NOW THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the Parties hereby amend the
Agreement as follows:

1. LICENSE GRANTS.

         (a) Block hereby grants to Atrix, for a period commencing on the
Amendment Effective Date through the end of the Term (the "SUBLICENSE PERIOD"),
an exclusive, except as to Block during the Transition Period (as defined below)
irrevocable right and sublicense, including the right to grant sublicense
rights, to (i) market, promote, advertise, distribute, commercialize, sell and
manufacture the Products in the Territory during the Sublicense Period, and (ii)
to any and all Improvements to the Products for use in the field of dentistry,
including all of its specialties (the Sublicense to be identical in scope and
duration to the License granted to Block under the Agreement).

         (b) Atrix hereby grants to Block, for the period commencing on the
Amendment Effective Date through the end of the Transition Period, a
non-exclusive, irrevocable, royalty-free limited right, without the right to
sublicense, to use the Marks (as defined below) solely in connection with the
marketing, promotion, advertising, distribution, commercialization and sale of
the Products in the Territory.

2. DEFINITION OF "TERM". Section 7.01 of the Agreement is hereby deleted and the
following language shall be inserted in lieu thereof:

                  "Section 7.01 Term. This Agreement will commence on December
         16, 1996 (the "EFFECTIVE DATE") and will terminate on August 24, 2005
         (the "TERM")."

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3. TRANSFER OF ASSETS AND GRANT OF SECURITY INTEREST.

         (a) As soon as practicable after the Amendment Effective Date, but no
later than fifteen (15) days after the Amendment Effective Date, Block shall
provide and deliver to Atrix copies of the "SALES AND TARGET DISTRIBUTION" list,
[ ]** No later than thirty (30) days after the Amendment Effective Date, Block
shall provide and deliver to Atrix all instructional materials and Marketing
Materials (and any associated copyrights), sales and marketing data, to the
extent that such are directly related to the Products or the marketing,
advertising, sale, distribution and promotion of the Products, and only to the
extent thereto. Within ten (10) days of Atrix entering into an agreement with a
third party relating to the marketing, sale, distribution and promotion of the
Products, or at least thirty (30) days prior to the end of the Transition
Period, whichever is earlier, Block will transfer to Atrix complete and
unabridged copies of all customer lists and information directly related to the
Products and the marketing, sale, distribution and promotion of the Products,
[ ]**

         (b) Concurrently with the execution of this Agreement, for and in
consideration of the payments and other obligations herein contained, and
subject to the execution of the Security Interest Agreement set forth as Exhibit
B hereto (the "SECURITY INTEREST AGREEMENT"), Block shall transfer and assign to
Atrix all of Block's right, title and interest in and to (i) the trademarks
Atrisorb(R) and Atridox(R) and all associated trademarks, service marks,
slogans, trade names, copyrights, trade dress and the like (including the
associated goodwill of each) (collectively hereinafter referred to as the
"MARKS"), (ii) all Improvements to the Products, and (iii) all other rights of
Block with respect to the Products, whether acquired pursuant to the Agreement
or otherwise, except as otherwise set forth in this Agreement, in accordance
with the Assignment in the form attached hereto as Exhibit A (the "ASSIGNMENT").
Block represents that to the best of its knowledge, such Marks are free and
clear of any claims or encumbrances. Simultaneously with the execution of this
Eighth Amendment, Block shall execute and deliver to Atrix the Assignment.

         (c) Simultaneously with the execution of this Eighth Amendment, Atrix
shall execute and deliver to Block the Security Interest Agreement, pursuant to
which Block shall take a security interest in the Marks which provides that in
the event of a breach by Atrix of any of its obligations set forth in this
Eighth Amendment, all right, title and interest in the Marks shall revert back
to Block.

4. PAYMENTS BY BLOCK. Within three (3) business days after the Amendment
Effective Date, in consideration of Atrix entering into this Eighth Amendment,
the release granted by Atrix hereunder, and as full and final payment of all
amounts due or to become due as Milestone Payments pursuant to Section 3.02(b)
of the Agreement, Block shall pay to Atrix Three Million U.S. Dollars (U.S.
$3,000,000) (the "ATRISORB MILESTONE PAYMENT") in cash.

5. PAYMENTS BY ATRIX. In consideration of the Sublicense set forth in Section 2
hereof, the transfer of assets pursuant to Section 3 hereof, and the release
granted by Block hereunder, Atrix shall make the following payments to Block:

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** Confidential Treatment Requested

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         (a) Three Million Three Hundred Thousand U.S. Dollars (U.S. $3,300,000)
in cash to be paid within three (3) business days after the Amendment Effective
Date; and

         (b) Three Million Seven Hundred Thousand U.S. Dollars (U.S. $3,700,000)
to be paid over a four (4) year period, as follows:

                  (i)      [ ]**

                  (ii)     [ ]**

                  (iii)    [ ]**

                  (iv)     [ ]**

                  (v)      [ ]**

For avoidance of doubt, in no event shall Atrix pay Block more than Three
Million Seven Hundred Thousand U.S. Dollars (U.S. $3,700,000) under this Section
5(b).

Atrix "NET SALES" for purposes of this Eighth Amendment shall have the meaning
given such term in the Agreement, substituting "ATRIX" for "BLOCK" therein.

6. WAIVER AND RELEASE [ ]**.

         (a) In consideration of the foregoing and subject to the terms of this
Section 6 and except for the obligations created by this Eighth Amendment, each
of Block and Atrix hereby releases, acquits and absolutely and forever
discharges the other Party hereto, its affiliates, and its and their officers,
directors, employees, agents, successors and assigns from any and all claims
(including royalty claims), debts, liabilities, demands, damages, accounts,
recordings, obligations, costs, attorneys' fees, expenses, liens, actions and
causes of action of every kind and nature, character and description, whether
now known or unknown, suspected or unsuspected, whether or not heretofore
brought before any arbitrator, local, state or federal court, agency or other
forum, related to the Agreement, occurring prior to or after the date of this
Eighth Amendment, related directly or indirectly to the Agreement including,
without limitation, the matters set forth in [ ]** except for (a) any claim by
either Party that arose prior to the Amendment Effective Date for which the
other Party is obligated to indemnify that Party as provided for in the
Agreement, (b) payment of any obligation due as provided under this Eighth
Amendment, or (c) any breach by either Party of that Party's obligations under
this Eighth Amendment.

         (b) Promptly upon Atrix's receipt of the Atrisorb(R) Milestone Payment,
each Party will take all necessary or required actions to dismiss its claims
against the other Party [ ]** and Atrix shall [ ]** Each Party shall [ ]**

7. TERMINATION OF ESCROW. As soon as practicable following the Amendment
Effective Date, the Parties shall take all action necessary, proper or desirable
to terminate the Escrow

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** Confidential Treatment Requested

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Agreement and instruct the Escrow Agent to deliver all Documented Technology,
and any material Improvements or Know-How related thereto, held in escrow
pursuant to Section 10.03(a) of the Agreement to Atrix.

8. TRANSITION PERIOD. For the period commencing as of the Amendment Effective
Date, and terminating on [ ]** (the "TRANSITION PERIOD"), the Parties shall
abide by the following obligations:

         (a) Block shall cooperate with and assist Atrix in the complete
transition to Atrix of the marketing, promotion, advertising, distribution and
commercialization of the Products within the Territory.

         (b) Block shall use its reasonable best efforts to continue to market,
promote, advertise, distribute and commercialize the Products pursuant to the
Marketing Plan set forth as Exhibit C, subject to Atrix' rights to promote and
sell the Products during the Transition Period. The incremental costs of any
activities requested by Atrix beyond those set forth in Exhibit C shall be borne
by Atrix.

         (c) Block shall continue to abide by its royalty payment and accounting
reporting obligations as set forth in the Agreement during the Transition
Period. Block shall not be required to make any Milestone Payments following the
Amendment Effective Date, except as provided in Section 4 of this Eighth
Amendment. Block shall use its reasonable best efforts [ ]** Block shall not be
required [ ]** Block shall provide copies of such documentation within ten (10)
days of Atrix's written request.

         (d) In the event that Atrix enters into an agreement with a third party
pertaining to the sublicensing, marketing, promotion, advertising, distribution,
commercialization, sale and development of Products, Atrix shall ensure that
such third party does not engage in any such activities with Block's customers
disclosed on the customer list provided to Atrix hereunder prior to the
expiration of the Transition Period.

         (e) Block shall provide Atrix with copies of all information and
materials related to the marketing, promotion and/or distribution of the
Products, and only to such extent, including but not limited to any proposed or
adopted marketing and/or promotional campaigns for the Products.

         (f) Block shall not be permitted [ ]** Block will not [ ]** All [ ]**
under the Agreement [ ]** Block shall continue [ ]** Atrix shall [ ]** Block
shall [ ]** Any costs incurred [ ]**

         (g) Any Product purchased by Block under the Agreement and not sold or
otherwise distributed by Block prior to the expiration of the Transition Period
will be purchased by Atrix as follows: (i) Atrix shall pay to Block [ ]** (ii)
Block shall [ ]** (iii) the Products and Professional Samples [ ]** and (iv)
shall be shipped to Atrix appropriately packaged and stored, [ ]** All
transportation costs in connection with such sale, including without limitation,
insurance, freight

----------

** Confidential Treatment Requested

                                       4
<PAGE>

and duties, [ ]** Amounts owed [ ]** pursuant to this subsection (g) for the
Products or Professional Samples shall be paid [ ]**

         (h) During the Transition Period, Block shall, at Block's sole expense,
be responsible for that portion of ADE data collection activity that occurs
between Block and the patient or dental professional, as appropriate, including
any follow-up inquiries which Block deems necessary or appropriate.

         (i) Each Party shall maintain such facilities as are reasonably
necessary to carry out the activities to be performed by such Party pursuant to
the terms and provisions of this Eighth Amendment. Upon reasonable advance
notice, each Party agrees to make its employees and non-employee consultants
reasonably available at their respective places of employment to consult with
the other Party on issues arising during the Transition Period and in connection
with any request from any regulatory agency, including, without limitation,
regulatory, scientific, technical and clinical testing issues, provided that any
expense related to such consulting activities, including any travel and living
expenses associated therewith, shall be borne by the Party that incurs them.

9. TRANSITION SALES. If during the Transition Period:

         (a)      Atrix [ ]** then Atrix shall [ ]**

         (b)      Block [ ]** then Block shall [ ]** or

         (c)      Block [ ]**

10. RIGHT TO AUDIT. The Parties shall each complete a final accounting of all
sales of Product and shall provide such report to the other Party within
forty-five (45) days of the expiration of the Transition Period. In the event
that a Party disputes such report, that Party shall provide the other Party
written notice within thirty (30) days of that Party's receipt of such report.
The other Party shall permit an independent certified public accounting firm of
nationally recognized standing selected by the requesting Party, and reasonably
acceptable to audited Party, at the requesting Party's expense, to have access
during normal business hours to such of the records of the audited Party as may
be reasonably necessary to verify the accuracy of the sales reported by each
Party under Section 9 above. The accounting firm shall disclose to the
requesting Party only whether the sales reports are correct or not and the
specific details of any discrepancies. No other information shall be shared. If
such accounting firm concludes that the sales figures reported under Section 9
above were inaccurate, the audited Party shall reconcile its figures and remit
any amounts due and owing to the other Party within thirty (30) days of the date
the requesting Party delivers to the other Party such accounting firm's written
report so concluding. The fees charged by such accounting firm shall be paid by
the requesting Party, provided, however, that if the audit discloses that the
sales figures reported were discrepant by more than [ ]**, then the audited
Party shall pay the reasonable fees and expenses charged by such accounting
firm.

----------

** Confidential Treatment Requested

                                       5
<PAGE>

11. PROJECT LEADERS. Each of Atrix and Block shall designate and appoint a
person to coordinate and be the primary contacts between the Parties with
respect to implementing and carrying out activities during the Transition
Period. Each Party may replace its project leader at any time upon written
notice to the other Party.

12. TERMINATION OF DISTRIBUTION, PAYMENT AND REPORTING OBLIGATION.
Notwithstanding anything contained in the Agreement or this Eighth Amendment to
the contrary, from and after the expiration of the Transition Period, Block
shall not market, promote, advertise, distribute or commercialize the Products,
and Block shall not be required to make any royalty or other payments, or
deliver Royalty Statements or other reports, to Atrix with respect to periods
commencing from and after the expiration of the Transition Period (subject to
Atrix's rights set forth in Section 10).

13. EFFECT ON AGREEMENT.

         (a) As of the date hereof, the following Sections of the Agreement
shall be deleted and of no further force or effect: Articles VI, X, XVII,
Sections 2.01(b), 2.02, 2.03(b), 2.04, 3.03, 7.02 (a), 7.02(b), 7.03, 7.05, the
second and third paragraphs of Section 7.07, 7.08(b), 8.01-8.07, 8.09, 8.10,
8.13, the last two (2) complete sentences of Section 8.14, 9.01, 9.05,
14.01-14.06, 16.02, 16.06, 16.07 and 19.13, 19.17.

         (b) As of the expiration of the Transition Period, the following
Sections of the Agreement shall be deleted and of no further force or effect:
Article IX, Sections 3.07, in Section 8.08 the clause beginning . . . provided
however . . . through the end of Section 8.08, 11.07, 13.01-13.03, 13.06, 14.09,
14.10, 14.11, 16.08, and 19.10.

         (c) Except as expressly modified by the terms of this Eighth Amendment,
the terms and provisions of the Agreement shall remain in full force and effect
as originally written.

14. EXPENSES. The Parties shall each bear their own costs and expenses
(including attorneys' fees) incurred in connection with the negotiation and
preparation of this Eighth Amendment and consummation of the transactions
contemplated hereby. Atrix shall assume all costs associated with the perfection
and recordal of the documents related to the assignment of the Marks from Block
to Atrix. Atrix shall be responsible for all litigation costs incurred in
connection with its use of the Marks during the Transition Period, and any and
all litigation costs concerning the Marks occurring after the Transition Period,
except for litigation costs related to Block's use of the Marks at any time
prior to the termination of the Transition Period, which costs shall be Block's
responsibility.

15. PUBLICITY. The Parties shall not publish or make any statements about each
other that are disparaging and, no public announcement or other disclosure to
third parties concerning the existence of or terms of this Eighth Amendment
shall be made, either directly or indirectly, by either Party, except as may be
legally required or as may be required for financial reporting purposes, without
first obtaining the prior written approval of the other Party hereto and
agreement upon the nature and text of such announcement or disclosure. Each
Party shall review and respond with specific comments to public announcements
and disclosures by the other Party within five (5) business days of receipt of
printed copies thereof, or such proposed

                                       6
<PAGE>

announcement or disclosure shall be deemed approved. The terms of this Eighth
Amendment may also be disclosed to: (a) government agencies where required by
law, including filings required to be made by law with the United States
Securities and Exchange Commission ("SEC"), national securities exchanges or the
Nasdaq Stock Market, (b) a third party in connection with the license of the
Licensed Products, or (c) lenders, investment bankers and other financial
institutions of its choice solely for purposes of financing the business
operations of such Party, so long as such disclosure in (b) and (c) above is
made under a binder of confidentiality at least as restrictive the
confidentiality provisions in Article XVIII of the Agreement, so long as highly
sensitive terms and conditions such as financial terms are extracted from the
Agreement (including in any disclosure required by law or the SEC) or deleted
upon the request of the other Party, and so long as the disclosing Party gives
reasonable advance notice of the disclosure under the circumstances requiring
the disclosure.

16. MISCELLANEOUS.

         (a) All capitalized terms used and not otherwise defined herein shall
have the same meanings as set forth in the Agreement.

         (b) This Eighth Amendment may be executed by the Parties in
counterparts, each of which shall be deemed to be an original, but all such
counterparts shall constitute one and the same instrument, and all signatures
need not appear on any one counterpart. The Parties may execute this Eighth
Amendment by facsimile signature.

         (c) The Parties shall each perform such acts, execute and deliver such
instruments and documents and do all such other things as may be reasonably
necessary to accomplish the transactions contemplated by this Eighth Amendment.

         (d) Nothing in this Eighth Amendment shall be construed to make the
relationship of Block and Atrix herein a joint venture, association or
partnership or make the Parties agents of one another. The Parties are not
authorized to act as agents of one another as to any matter or to make any
representations to any third parties indicating or implying the existence of any
such agency relationship.

         (e) This Eighth Amendment constitutes the entire agreement between the
Parties relating to the subject matter hereof and supersedes any and all
previous agreements and understandings, whether written or oral. No terms or
provision of this Eighth Amendment shall be varied or modified by any prior or
subsequent statement, conduct or act of either of the Parties, except only in
the event that the Parties amend this Eighth Amendment by written instruments
specifically referring to and executed in the same manner as this Eighth
Amendment.

         (f) Each of Block and Atrix acknowledges that it has been represented
by counsel in the negotiation of the terms of this Eighth Amendment, and that it
has reviewed the terms of this Eighth Amendment with said counsel, and that its
decision to enter into this Eighth Amendment is based on the advise of said
counsel. Each of Block and Atrix further acknowledges that it is executing this
Eighth Amendment on a voluntary basis, and that it fully understands its final
and binding effect.

                                       7
<PAGE>

         (g) Each of Block and Atrix shall remain solely responsible for their
own tax obligations arising under the transactions contemplated by this Eighth
Amendment.

         IN WITNESS WHEREOF, the Parties hereto have caused this Eighth
Amendment to be duly executed by their respective authorized officers as of the
date first written above.

ATRIX LABORATORIES, INC.                        BLOCK DRUG CORPORATION

By:  /s/ Charles P. Cox                         By: /s/ DONALD F. PARMAN
   --------------------------------                ----------------------------
     Charles P. Cox, Ph.D., MBA                 Name: Donald F. Parman
     Senior Vice President,                          --------------------------
     Corporate Development                      Title: Secretary
                                                      -------------------------

                                       8

<PAGE>

                                    EXHIBIT A
                                       TO
                                EIGHTH AMENDMENT

                                   ASSIGNMENT

         WHEREAS, Block Drug Corporation (hereinafter "Block"), a New Jersey
corporation with a business address of 105 Academy Street, Jersey City, New
Jersey 07302-9988, is the owner of the trademarks and trademark registrations
for ATRIDOX and ATRISORB (hereinafter "the Marks") as set forth in Attachment A
hereto, and WHEREAS, Atrix Laboratories, Inc., (hereinafter "Atrix"), a Delaware
corporation with a business address of 2579 Midpoint Drive, Fort Collins,
Colorado 80525-4417, is desirous of acquiring said Marks and the registrations
therefor in the United States and Canada, and any other associated intellectual
property rights that are not specifically set forth in Attachment A, such as
trade dress, copyrights and other intellectual property owned by Block and
associated with the Marks;
         NOW, THEREFORE, for good and valuable consideration, the receipt of
which is hereby acknowledged, Block does hereby assign to Atrix all right, title
and interest in and to the Marks, together with any other associated
intellectual property rights that are not specifically set forth in Attachment
A, such as trade dress, copyrights and other intellectual property owned by
Block and associated with the Marks, and the goodwill of the business symbolized
thereby, subject to the Security Interest (as set forth in Exhibit B) in such
Marks granted by Atrix to Block as of even date herewith.

                                            BLOCK DRUG CORPORATION

                                            By: /s/ DONALD F. PARMAN
                                               --------------------------------

                                            Title: Secretary
                                                  -----------------------------

                                            Date:  August 24, 2001

                                  Exhibit A-1

<PAGE>

                                  ATTACHMENT A
                                       TO
                                    EXHIBIT A
                                       TO
                                EIGHTH AMENDMENT

                                   ATRIX MARKS

                  TRADEMARK ROSTER (01) (GROUPED BY TRADEMARK)

<Table>
<Caption>

ATRIDOX
-------

COUNTRY            CLASSES   APP. #       APP. DT        REG. #     REG. DATE   REGISTERED. OWNER             CURRENT STATUS
-------            -------   ------       -------        ------     ---------   -----------------             --------------
<S>                <C>       <C>          <C>            <C>        <C>         <C>                           <C>
Canada                       850,064      07/07/1997     530,394    21/07/2000  Block Drug Corporation        Registered

United States      5         75080259     28/03/1996     2219251    19/01/1999  Block Drug Corporation        Registered

ATRISORB
--------

COUNTRY            CLASSES   APP. #       APP. DT        REG. #     REG. DATE   Registered. Owner             CURRENT STATUS
-------            -------   ------       -------        ------     ---------   -----------------             --------------

Canada                       824,209      25/09/1996     511,768    12/05/1999  Block Drug Corporation        Registered

United States      10        75081223     29/03/1996     2135253    10/02/1998  Block Drug Corporation        Registered

United States      5         74102606     02/10/1990     1912165    15/08/1995  Block Drug Corporation        Sec. 8/15 Accepted
</Table>

                                  Exhibit A-2

<PAGE>

                                    EXHIBIT B
                                       TO
                                EIGHTH AMENDMENT

                           SECURITY INTEREST AGREEMENT

FOR GOOD AND VALUABLE CONSIDERATION, the receipt and sufficiency of which are
acknowledged, Atrix Laboratories, Inc., a Delaware Corporation ("Atrix"), with
its principal place of business at 2579 Midpoint Drive, Fort Collins, Colorado
80525-4417, hereby assigns, grants and mortgages to Block Drug Corporation, a
New Jersey corporation ("Block"), with its principal place of business at 105
Academy Street, Jersey City, New Jersey 07302-9988, a security interest in all
of Atrix' right, title and interest in and to the trademarks and trademark
registrations (the "Marks") set forth in Attachment A to this Agreement,
attached hereto.

THIS AGREEMENT is entered into to secure the full and prompt performance and
payment of all the obligations of Atrix, as set forth in the Eighth Amendment to
Agreement between Atrix and Block dated as of even date herewith. Upon the
satisfaction of all payments to Block from Atrix as set forth in the Eighth
Amendment to Agreement, Block shall, upon such satisfaction, execute,
acknowledge and deliver to Atrix such statements, documents or other instruments
in writing as may be reasonably requested by Atrix releasing the security
interest and mortgage in the Marks granted under this Agreement.

UPON the occurrence and during the continuance of any default by Atrix of the
obligations set forth in the Eighth Amendment to Agreement, Block shall have the
right, without notice to or consent by Atrix, to implement and record the
Assignment of the Marks back to Block as set forth in Exhibit 1 to this
Agreement, attached hereto.

The undersigned have executed this Agreement as of the date first above written.

ATRIX LABORATORIES, INC.                        BLOCK DRUG CORPORATION

By: /s/ CHARLES P. COX                          By:  /s/ DONALD F. PARMAN
   --------------------------------                ----------------------------
     Charles P. Cox, Ph.D., MBA                 Name: Donald F. Parman
     Senior Vice President,                          --------------------------
     Corporate Development                      Title: Secretary
                                                      -------------------------

                                  Exhibit B-1
<PAGE>

                                  ATTACHMENT A
                                       TO
                                    EXHIBIT B
                                       TO
                                EIGHTH AMENDMENT

                                   ATRIX MARKS

                  TRADEMARK ROSTER (01) (GROUPED BY TRADEMARK)

<Table>
<Caption>

ATRIDOX
-------

COUNTRY            CLASSES   APP. #       APP. DT        REG. #     REG. DATE   REGISTERED. OWNER             CURRENT STATUS
-------            -------   ------       -------        ------     ---------   -----------------             --------------
<S>                <C>       <C>          <C>            <C>        <C>         <C>                           <C>
Canada                       850,064      07/07/1997     530,394    21/07/2000  Block Drug Corporation        Registered

United States      5         75080259     28/03/1996     2219251    19/01/1999  Block Drug Corporation        Registered

ATRISORB
--------

COUNTRY            CLASSES   APP. #       APP. DT        REG. #     REG. DATE   Registered. Owner             CURRENT STATUS
-------            -------   ------       -------        ------     ---------   -----------------             --------------

Canada                       824,209      25/09/1996     511,768    12/05/1999  Block Drug Corporation        Registered

United States      10        75081223     29/03/1996     2135253    10/02/1998  Block Drug Corporation        Registered

United States      5         74102606     02/10/1990     1912165    15/08/1995  Block Drug Corporation        Sec. 8/15 Accepted
</Table>

                                   Exhibit B-2

<PAGE>

                                    EXHIBIT 1
                                       TO
                                    EXHIBIT B
                                       TO
                                EIGHTH AMENDMENT

                                   ASSIGNMENT

         WHEREAS, Atrix Laboratories, Inc., a Delaware Corporation ("Atrix"),
with its principal place of business at 2579 Midpoint Drive, Fort Collins,
Colorado 80525-4417, is the owner of the trademarks and trademark registrations
for ATRIDOX and ATRISORB (hereinafter "the Marks") as set forth in Attachment A
hereto, and WHEREAS, Block Drug Corporation (hereinafter "Block"), a New Jersey
corporation with a business address of 105 Academy Street, Jersey City, New
Jersey 07302-9988, is desirous of acquiring said Marks therefor in the United
States and Canada;

         NOW, THEREFORE, for good and valuable consideration, the receipt of
which is hereby acknowledged, Atrix does hereby assign to Block all right, title
and interest in and to the Marks, together with the goodwill of the business
symbolized thereby.

                                              ATRIX LABORATORIES, INC.

                                              By:
                                                 ------------------------------
                                                    Charles P. Cox, Ph.D., MBA
                                                    Senior Vice President,
                                                    Corporate Development

                                   Exhibit B-3
<PAGE>

                                    EXHIBIT C
                                       TO
                                EIGHTH AMENDMENT

                                 MARKETING PLAN

During the Transition Period, Block shall perform the following marketing
activities:

                                      [ ]**

                                   Exhibit C-1

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