Document:

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                                                                   EXHIBIT 10(m)

                           CORE MATERIALS CORPORATION
                   2000-2001 INFORMAL CASH PROFIT SHARING PLAN

         Core Materials has an informal cash profit sharing plan for its
management and salaried employees which is calculated as follows:

         A profit sharing pool is created after a reasonable return is provided
to stockholders.

         The Company's Board of Directors established thresholds for Earnings
Before Taxes ("EBT") to provide such return to the stockholders for the period
July 1, 2000 thru December 31, 2001.

         A profit sharing pool will be created based upon percentages of EBT for
the period July 1, 2000 thru December, 31, 2001, above the thresholds which will
be shared with the permanent salaried employees in the form of profit sharing.

         A total profit sharing pool is limited to a maximum percentage of EBT
as established by the Board of Directors.

         The salaried profit sharing pool is split into two groups, an
"executive" group and a "salary" group. The executive group consists of the
Chief Operating Officer, the Chief Financial Officer and the Vice President of
Sales and Marketing.

         The executive group shares in 28% of the pool while the remaining
salary group shares in 72% of the pool.

         Employees must have been employed as of December 31, 2001 to be
eligible to participate. There is no pro-rating for terminated employees.

         No profit sharing pool will be created for the salaried personnel for
the period January 1, 2000 thru June 30, 2000.

         The Board of Directors reserves the right to change the plan as deemed
necessary.<PAGE>   1

                                                                   EXHIBIT 10(o)

                  COMPENSATION AGREEMENT WITH MALCOLM M. PRINE

         On March 28, 2000, the Board of Directors of Core Materials Corporation
unanimously approved a revision to the oral compensation agreement with Malcolm
M. Prine, Director and Chairman of Core Materials Corporation. Effective April
1, 2000, Mr. Prine's compensation for consulting services provided to the
Company was reduced to $8,000 per quarter from $7,500 per month. Additionally,
Mr. Prine's Board of Directors' fee was increased to $5,000 per quarter from
$3,000 per quarter to recognize his role as chairman.<PAGE>   1
                                                                    EXHIBIT 10.1

                               FIRST AMENDMENT TO
                           LOAN AND SECURITY AGREEMENT

           THIS FIRST AMENDMENT ("First Amendment") made this 9th day of April,
1996 to the LOAN AND SECURITY AGREEMENT dated December 29, 1994, by and between
S2 GOLF INC., a New Jersey corporation, (hereinafter referred to as "Borrower"),
having its principal place of business at 18 Gloria Lane, Fairfield, New Jersey
07004 and MIDLANTIC BANK, NATIONAL ASSOCIATION, a banking association organized
and existing under the laws of the United States of America, (hereinafter
referred to as "Lender"), having offices at 100 Walnut Avenue, Clark, New Jersey
07066.

                                   WITNESSETH:
                                   ----------

           WHEREAS, Lender and Borrower have previously entered into a
commercial lending arrangement in accordance with the terms and conditions of a
certain Loan and Security Agreement dated December 29, 1994, as such may be
amended and/or supplemented from time to time ("Loan Agreement"), pursuant to
which Lender has advanced funds to Borrower on a secured basis and Borrower has
agreed to repay same; and

           WHEREAS, it has become necessary to amend some of the terms and
conditions of the Loan Agreement; and

           WHEREAS, Lender and Borrower seek to memorialize the terms of their
agreements and the said amendments to the Loan Agreement by this writing,

           NOW THEREFORE, for and in consideration of the mutual covenants and
agreements herein contained and other good and valuable consideration receipt of
which is hereby acknowledged, the parties agree as follows:

           1. Effective as of April 9, 1996, Section 6. NEGATIVE COVENANTS of
the Loan Agreement, Subsection 6.19 Tangible Net Worth is hereby amended and
changed to read as follows:

                      6.19 TANGIBLE NET WORTH. Cause or permit Tangible Net
           Worth to be:

                                 (a) Less than $2,195,000.00 for the fiscal
                      year-end December 31, 1995;

                                 (b) For the fiscal year-end December 31, 1996
                      the Tangible Net Worth shall increase by an amount equal
                      to the greater of (A) one-hundred percent (100%) of the
                      actual net income of Borrower for the fiscal year-ending
                      December 31, 1996 or (B) $50,000.00; and

<PAGE>   2
                                 (c) Each fiscal year-end subsequent to December
                      31, 1996 an amount equal to the greater of (A) one-hundred
                      and ten percent (110%) of the actual Tangible Net Worth of
                      Borrower as at the immediately preceding fiscal year-end
                      of Borrower or (B) the actual Tangible Net Worth of
                      Borrower as at the immediately preceding fiscal year-end
                      of Borrower plus $250,000.00.

                     The term Tangible Net Worth meaning, as of the time of any
                     determination thereof, the difference between (a) the sum
                     of (i) the par value (or value stated on the books of
                     Borrower) of the capital stock of all classes of Borrower,
                     plus (or minus in the case of a deficit) (ii) the amount of
                     Borrower's surplus, whether capital or earned, less (b) the
                     sum of treasury stock, unamortized debt discount and
                     expense, good will, trademarks, trade names, patents,
                     deferred charges (exclusive of deferred taxes), leasehold
                     improvements and other intangible assets, and any write-up
                     of the value of any assets, all determined in accordance
                     with generally accepted accounting principles, applied on a
                     consistent basis.

           2. RATIFICATION OF AGREEMENT. Subject to the amendments to the Loan
Agreement as set forth herein, as of this day, the parties hereto hereby ratify
and confirm, in full, each and every term, condition, agreement, representation,
warranty and covenant set forth in the Loan Agreement.

           3. SURVIVAL. All representations and warranties, whether ratified
hereby or made herein or in any instrument or certificate! contemplated hereby,
shall survive any independent investigation made by Lender and the execution and
delivery of the Loan Agreement, together with this First Amendment to the Loan
Agreement, and the relevant documents and said certificates or instruments shall
continue so long as any of the Borrower's obligations are outstanding and
unsatisfied, applicable Statutes of Limitations to the contrary notwithstanding.

           4. AMENDMENT ONLY. This is intended as an amendment only to the Loan
Agreement and is not a new loan agreement, therefore all of the remaining terms
and conditions of the Loan Agreement (including any amendments or supplements
thereto), shall remain in full force and effect as though set forth herein at
length to the extent not inconsistent with the terms of this First Amendment,
and any term in initial capitals and not otherwise defined herein shall have the
meaning ascribed thereto in the Loan Agreement.

           5. HEADINGS. The headings as used in this First Amendment are
inserted solely for convenience of reference and shall not constitute a part of
this First Amendment nor affect its meaning, construction or effect.

           6. NO DEFENSES TO PAYMENT. Borrower waives and forever releases and
discharges Lender, its officers, directors, agents and employees, successors and
assigns from any

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and all claims, actions, causes of action, suits, counterclaims, set-offs,
rights and defenses which against Lender (its officers, directors, agents and
employees, successors and assigns), Borrower its successors or assigns have or
hereafter can, shall or may have, for, upon, or by reason of any matter, cause
or thing whatsoever up to and including the date of this Amendment; and Borrower
represents and warrants to Lender that Borrower has no defenses to the repayment
of any or all of the Obligations and has no claims, rights of set-off or causes
of action against Lender.

           IN WITNESS WHEREOF, the parties hereto have hereunto set their hands
and seals or caused these presents to be signed by their proper corporate
officers and their proper corporate seals to be hereto affixed this 9th day of
April, 1996.

(SEAL)                                S2 GOLF, INC.

ATTEST:                               By:   /s/ Douglas A. Buffington
                                            -------------------------
                                            Douglas A. Buffington
By:     /s/ Richard M. Maurer               President
        ---------------------
        Richard M. Maurer
        Secretary
                                            MIDLANTIC BANK, NA

                                            By:    /s/ Peter H. Schryver
                                                   -----------------------------
                                                   Peter H. Schryver
                                                   Vice President<PAGE>   1
                                                                   EXHIBIT 10.4
                               FIFTH AMENDMENT TO
                           LOAN AND SECURITY AGREEMENT

         THIS FIFTH AMENDMENT TO LOAN AND SECURITY AGREEMENT, made as of the 3rd
day of January, 2001 (this "Amendment"), is by and between S2 GOLF INC., a New
Jersey corporation ("Existing Borrower"), having its principal place of business
at 18 Gloria Lane, Fairfield, New Jersey 07004, S2 GOLF ACQUISITION CORP., a New
Jersey corporation, having its principal place of business at 18 Gloria Lane,
Fairfield, New Jersey 07004 ("Additional Borrower", and collectively, jointly
and severally with Existing Borrower "Borrower") and PNC BANK, NATIONAL
ASSOCIATION (successor in interest to Midlantic Bank, National Association), a
national banking association, having offices at Two Tower Center Boulevard, 8th
Floor, East Brunswick, New Jersey 08816 ("Lender").

                              W I T N E S S E T H:
                              --------------------

         WHEREAS, Lender and Existing Borrower are engaged in a commercial
lending relationship pursuant to a certain Loan and Security Agreement as of
December 29, 1994, as amended by the First Amendment to Loan and Security
Agreement dated April 9, 1996, by the Second Amendment to Loan and Security
Agreement dated as of December 1, 1997, by the Third Amendment to Loan and
Security Agreement dated as of September 23, 1998, and by the Fourth Amendment
to Loan and Security Agreement dated as of July 31, 2000 (collectively referred
to herein as the "Loan Agreement"), pursuant to which Lender has advanced and
may in the future advance certain sums of money to Existing Borrower and
Existing Borrower has agreed to repay same; and

         WHEREAS, Additional Borrower seeks to become a Borrower pursuant to the
Loan Agreement and become obligated thereunder jointly and severally with
Existing Borrower; and

         WHEREAS, Lender has agreed to permit Additional Borrower to become a
Borrower under the terms and conditions hereinafter set forth,

         NOW, THEREFORE, in consideration of the mutual covenants and agreements
herein contained and other good and valuable consideration, receipt of which is
hereby acknowledged, it is agreed as follows:

                                    ARTICLE I

                           AMENDMENT TO LOAN AGREEMENT
                         RELATING TO ADDITIONAL BORROWER
                         -------------------------------

         1.01 ADDITIONAL BORROWER. The preamble to the Loan Agreement is hereby
deleted in its entirety and replaced with the following:

                  This is a LOAN AND SECURITY AGREEMENT (this "Agreement") made
         as of December 29, 1994 by and among PNC BANK, NATIONAL ASSOCIATION
         (successor in interest to Midlantic Bank, National Association), a
         national banking association, having offices at Two Tower Center
         Boulevard,

<PAGE>   2

         8th Floor, East Brunswick, New Jersey 08816 ("Lender"), S2 GOLF INC., a
         New Jersey corporation, having its principal place of business at 18
         Gloria Lane, Fairfield, New Jersey 07004, and S2 GOLF ACQUISITION
         CORP., a New Jersey corporation, having its principal place of business
         at 18 Gloria Lane, Fairfield, New Jersey 07004 (collectively, jointly
         and severally "Borrower").

                                   ARTICLE III

                         REPRESENTATIONS AND WARRANTIES
                         ------------------------------

         Borrower represents and warrants to Lender, knowing and intending that
Lender will rely thereon in entering into this Amendment, that the following
statements are true and accurate:

         2.01 ASSUMPTION OF OBLIGATIONS. Additional Borrower hereby assumes and
accepts as a joint and several obligor, all of the Obligations (as defined in
the Loan Agreement), covenants, terms and conditions of the Loan Agreement in
the same manner and to the same extent as Borrower, agrees to pay all sums due
pursuant to the Loan Agreement in the manner and at the times therein set forth
and grants to Lender a security interest in the Collateral, as such is defined
in the Loan Agreement, to secure the repayment of the Obligations.

         2.02 NO DIMINISHMENT OF DUTIES OR LIABILITIES OF BORROWER. It is hereby
understood and agreed that Additional Borrower's acceptance of the Obligation as
herein set forth does not diminish or release and shall not in any way affect
any of the Obligations, duties or liabilities of Borrower to Lender.

         2.03 AFFIRMATION OF REPRESENTATIONS. All of the representations and
warranties contained in Section 4 of the Loan Agreement, as such Section may be
amended by this Amendment, are, immediately after the execution and delivery of
this Amendment, true and accurate as of the date hereof with the same force and
effect as though such representations and warranties had been more fully set
forth herein and made on the date hereof.

         2.04 DUE AUTHORIZATION: NO DEFAULT.

                  (a) The execution, delivery and performance by Borrowers of
this Amendment are within Borrower's powers, have been duly authorized by all
necessary action on the part of each Borrower and (i) do not and will not (A)
require any consent or approval of the stockholders of either Borrower, or (B)
constitute or result in a breach of, or default under (with due notice or
passage of time or both) any agreement, undertaking, or instrument to which
Borrowers are a party or by which they may be affected, or (C) result in the
creation or imposition of any lien or restriction on any assets of Borrower,
other than liens in favor of Lender, and (ii) are not and will not be prevented
or limited by, or violate, conflict with or breach either Borrower's Certificate
of Incorporation or By-laws, or any applicable law or regulations, or any
judgment, order, award or decree of any judicial body or other governmental
authority or arbitrator applicable to Borrower or any of Borrower's assets.

                                       2
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                  (b) This Amendment upon its delivery will have been duly
executed and delivered by the Borrower and the Loan Agreement, as amended by
this Amendment, will be legal, valid and binding obligations of Borrower,
enforceable against Borrower in accordance with its terms and provisions except
as may be limited by applicable bankruptcy, insolvency, moratorium,
reorganization or similar laws from time to time in effect that affect
creditors' rights generally.

         3.03 NO GOVERNMENTAL CONSENT NECESSARY. No authorization, approval or
other action by, and no notice to or filing with, any Person or governmental
authority or regulatory body is required for the due execution, delivery and
performance by Borrower of this Amendment or any of the Relevant Documents.

         3.04 PROCEEDINGS. There is no claim, action, suit, proceeding, inquiry,
hearing or investigation pending or (to the knowledge of Borrowers) threatened
against Borrower or any of its assets, in any court of law or equity, or before
or by any federal, state or local governmental authority or before any
arbitrator. There are no unsatisfied judgments or awards against Borrower or any
of its assets.

         3.05 BROKERAGE COMMISSIONS. No Person is entitled to receive from
Borrower any brokerage commission, finder's fee or similar fee or payment in
connection with the consummation of the transactions contemplated by this
Amendment. No brokerage or other fee, commission or compensation is to be paid
by Lender by reason of any act, alleged act or omission of Borrower with respect
to the transactions contemplated hereby.

         3.06 NO DEFENSES TO PAYMENT. Borrower has no defenses to the repayment
of the Obligations and have no claims or rights of set-off against Lender in
connection with the Obligations.

                                   ARTICLE IV

                                  MISCELLANEOUS

         4.01 ENTIRE AGREEMENT; AMENDMENTS; LENDER'S CONSENT. This Amendment
supersedes, with respect to its subject matter, all prior and contemporaneous
agreements, understandings, inducements or conditions between the respective
parties, whether express or implied, oral or written. No amendment or waiver of
any provision of this Amendment, nor consent to any departure by Borrower
therefrom, shall in any event be effective unless the same shall be in writing
and signed by Lender, and then such waiver or consent shall be effective only in
the specific instance and for the specific purpose for which given.

         4.02 GENDER. Throughout this Amendment, the masculine shall include the
feminine and vice versa and the singular shall include the plural and vice
versa, unless the context of this Amendment indicates otherwise.

         4.03 BINDING EFFECT; GOVERNING LAW. This Amendment shall be binding
upon and inure to the benefit of Borrower and Lender and their respective
successors and assigns, except

                                       3
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that Borrowers shall not have the right to assign their rights hereunder or any
interest herein without the prior written consent of Lender. This Amendment and
the other documents delivered in connection with this Amendment shall be
governed by, and construed in accordance with, the laws (both substantive and
procedural, and without reference to conflicts of laws) of the State of New
Jersey.

         4.04 SEVERABILITY OF PROVISIONS. Any provision of this Amendment that
is prohibited or unenforceable in any jurisdiction shall, as to such
jurisdiction, be ineffective to the extent of such prohibition or
unenforceability without invalidating the remaining provisions of this Amendment
or affecting the validity or enforceability of such provision in any other
jurisdiction.

         4.05 HEADINGS. The headings preceding the text of this Amendment are
inserted solely for convenience of reference and shall not constitute a part of
this Amendment nor affect its meaning, construction or effect.

         4.06 LOAN AGREEMENT; FULL FORCE AND EFFECT. Except, and solely to the
extent, that the same has been specifically modified, amended or supplemented
herein, all of the terms and conditions of the Loan Agreement shall remain in
full force and effect.

         4.07 NO WAIVER OF DEFAULT. Borrower hereby acknowledges and agrees that
the execution, delivery and performance of this Amendment by Lender is not
intended, and shall not be deemed, to be a waiver or release of any Event of
Default as defined under the Loan Agreement, and that Lender reserves all of its
rights and remedies to which it may be entitled, whether an Event of Default
occurred at, before or after the date of this Amendment.

         4.08 WAIVER OF TRIAL BY JURY. TO THE FULL EXTENT PERMITTED BY LAW,
BORROWER AND LENDER HEREBY WAIVE THEIR RIGHT TO TRIAL BY JURY IN ANY LITIGATION
RELATING TO THE LOAN AGREEMENT OR THE RELEVANT DOCUMENTS.

         4.09 CONFLICTS WITH LOAN AGREEMENT. If any term, condition or provision
of this Amendment is inconsistent or conflicts with any term, condition or
provision of the Loan Agreement, the term, condition or provision of this
Amendment shall govern to the extent of such inconsistency or conflict.

         4.10 CONDITIONS PRECEDENT. The effectiveness and enforceability of this
Amendment are conditioned on the consummation of the following conditions
precedent:

         (i) The execution by Borrower, and delivery to Lender, of this
Amendment, UCC-1 Financing Statements and such other documents as Lender shall
deem to be required, necessary or desirable in its reasonable judgment;

         (ii) Receipt by Lender of results of searches for UCC financing
statements, judgments, tax liens and the like that are reasonably acceptable to
Lender;

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         (iii) Receipt by Lender of perfected, first-priority security interests
in the Collateral; and

         (iv) Receipt by Lender of such other documents, reports and evidence as
Lender shall require in its sole and absolute discretion.

         IN WITNESS WHEREOF, the undersigned have set their hands or caused
these presents to be executed by duly authorized corporate officers as of the
day and year first above written.

                                        S2 GOLF INC.

                                        By: /s/ Douglas A. Buffington
                                           -------------------------------------
                                        Name:  DOUGLAS A. BUFFINGTON
                                        Title: President

                                        S2 GOLF ACQUISITION CORP.

                                        By:  /s/ Richard M. Maurer
                                           -------------------------------------
                                        Name:  RICHARD M. MAURER
                                        Title: Secretary

                                        PNC BANK, NATIONAL ASSOCIATION

                                        By:  /s/ Kenneth Kaestner
                                           -------------------------------------
                                        Name:  KENNETH KAESTNER
                                        Title: Assistant Vice President

                                       5
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STATE OF       :
               :      SS.
COUNTY OF      :

        On the ______ day of January, 2001, before me personally came DOUGLAS A.
BUFFINGTON, who, being duly sworn by me, stated that he is the President of S2
GOLF INC., a New Jersey corporation, and that he, as the said President, and
with the authority of the board of directors of said corporation, executed the
instrument set forth above on behalf of said corporation as its voluntary act
and deed.

                                       /s/ Rhonda K. Schesventer
                                       -------------------------
                                       Name:

                                       Notary Public of the State of  Ohio
                                                                     -----------

                                       My commission expires:   Mar. 29, 2001
                                                             -------------------

                                       6
<PAGE>   7

STATE OF PENNSYLVANIA :
                      :      SS.
COUNTY OF ALLEGHENY   :

        On the 3RD day of January, 2001, before me personally came RICHARD M.
MAURER, who, being duly sworn by me, stated that he is the Secretary of S2 GOLF
ACQUISITION CORP., a New Jersey corporation, and that he, as the said President,
and with the authority of the board of directors of said corporation, executed
the instrument set forth above on behalf of said corporation as its voluntary
act and deed.

                                /s/ Tracy L. Charles
                                --------------------
                                Name:

                                Notary Public of the State of   Pennsylvania
                                                              ------------------

                                My commission expires:          May 4, 2002
                                                       -------------------------

                                       7

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