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                                                                   EXHIBIT 10.15

                               SEVERANCE AGREEMENT

            THIS AGREEMENT is entered into as of the 1st day of July, 2004 by
and between Bone Care International, Inc., a Wisconsin corporation, and C. Basil
Mundy, II (the "Executive").

                               W I T N E S S E T H

            WHEREAS, the Executive currently serves as a key employee of the
Company (as defined in Section 1) and his services and knowledge are valuable to
the Company in connection with the management of one or more of the Company's
principal divisions, departments or subsidiaries; and

            WHEREAS, the Board (as defined in Section 1) has determined that it
is in the best interests of the Company and its stockholders to secure the
Executive's continued services and to ensure the Executive's continued
dedication and objectivity in the event of any threat or occurrence of, or
negotiation or other action that could lead to, or create the possibility of, a
Change in Control (as defined in Section 1) of the Company, without concern as
to whether the Executive might be hindered or distracted by personal
uncertainties and risks created by any such possible Change in Control, and to
encourage the Executive's full attention and dedication to the Company, the
Board has authorized the Company to enter into this Agreement.

            NOW, THEREFORE, for and in consideration of the premises and the
mutual covenants and agreements herein contained, the Company and the Executive
hereby agree as follows:

            1.    DEFINITIONS. As used in this Agreement, the following terms
shall have the respective meanings set forth below:

            (a)   "Board" means the Board of Directors of the Company.

            (b)   "Cause" means:

                  (1)   a material breach by the Executive of those duties and
      responsibilities of the Executive which do not differ in any material
      respect from the duties and responsibilities of the Executive during the
      90-day period immediately prior to a Change in Control (other than as a
      result of incapacity due to physical or mental illness) which is
      demonstrably willful and deliberate on the Executive's part, which is
      committed in bad faith or without reasonable belief that such breach is in
      the best interests of the Company and which is not remedied in a
      reasonable period of time after receipt of written notice from the Company
      specifying such breach;

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                  (2)   the commission by the Executive of a felony involving
      moral turpitude;

                  (3)   the commission by the Executive of theft, fraud, breach
      of trust or any significant act of dishonesty involving the Company or its
      subsidiaries; or

                  (4)   the significant violation by the Executive of the
      Company's code of business conduct and ethics or any statutory or common
      law duty of loyalty to the Company or its subsidiaries which is
      demonstrably willful and deliberate on the Executive's part.

            (c)   "Change in Control" means:

                  (1)   the acquisition by any individual, entity or group (a
      "Person"), including any "person" within the meaning of Section 13(d)(3)
      or 14(d)(2) of the Securities Exchange Act of 1934, as amended (the
      "Exchange Act"), of beneficial ownership within the meaning of Rule 13d-3
      promulgated under the Exchange Act, of 50% or more of either (i) the then
      outstanding shares of common stock of the Company (the "Outstanding Common
      Stock") or (ii) the combined voting power of the then outstanding
      securities of the Company entitled to vote generally in the election of
      directors (the "Outstanding Voting Securities"); excluding, however, the
      following: (A) any acquisition directly from the Company (excluding any
      acquisition resulting from the exercise of an exercise, conversion or
      exchange privilege unless the security being so exercised, converted or
      exchanged was acquired directly from the Company), (B) any acquisition by
      the Company, (C) any acquisition by an employee benefit plan (or related
      trust) sponsored or maintained by the Company or any corporation
      controlled by the Company or (D) any acquisition by any corporation
      pursuant to a transaction which complies with clauses (i), (ii) and (iii)
      of subsection (3) of this Section (1)(c); provided further that, for
      purposes of clause (B), if any Person (other than the Company or any
      employee benefit plan (or related trust) sponsored or maintained by the
      Company or any corporation controlled by the Company) shall become the
      beneficial owner of 50% or more of the Outstanding Common Stock or 50% or
      more of the Outstanding Voting Securities by reason of an acquisition by
      the Company and such Person shall, after such acquisition by the Company,
      become the beneficial owner of any additional shares of the Outstanding
      Common Stock or any additional Outstanding Voting Securities and such
      beneficial ownership is publicly announced, such additional beneficial
      ownership shall constitute a Change in Control;

                  (2)   individuals who, as of the date hereof, constitute the
      Board (the "Incumbent Board") cease for any reason to constitute at least
      a majority of such Board; provided, that any individual who becomes a
      director of the Company subsequent to the date hereof whose election, or
      nomination for election by the Company's stockholders, was approved by the
      vote of at least a majority of the directors then comprising the Incumbent
      Board shall be deemed to have been a member of the Incumbent Board; and
      provided further, that any individual who was initially elected as a
      director of the Company as a result of an actual or threatened
      solicitation by a Person other than the Company for the purpose of
      opposing a solicitation by any other Person with respect to the election
      or removal of directors, or any other actual or threatened solicitation of

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      proxies or consents by or on behalf of any Person other than the Board
      shall not be deemed a member of the Incumbent Board; or

                  (3)   the consummation of a reorganization, merger or
      consolidation or sale or other disposition of all or substantially all of
      the assets of the Company (a "Corporate Transaction"); excluding, however,
      a Corporate Transaction pursuant to which (i) all or substantially all of
      the individuals or entities who are the beneficial owners, respectively,
      of the Outstanding Common Stock and the Outstanding Voting Securities
      immediately prior to such Corporate Transaction will beneficially own,
      directly or indirectly, more than 50% of, respectively, the outstanding
      shares of common stock, and the combined voting power of the outstanding
      securities entitled to vote generally in the election of directors, as the
      case may be, of the corporation resulting from such Corporate Transaction
      (including, without limitation, a corporation which as a result of such
      transaction owns Company or all or substantially all of the Company's
      assets either directly or indirectly) in substantially the same
      proportions relative to each other as their ownership, immediately prior
      to such Corporate Transaction, of the Outstanding Common Stock and the
      Outstanding Voting Securities, as the case may be, (ii) no Person (other
      than the Company, any employee benefit plan (or related trust) sponsored
      or maintained by the Company or any corporation controlled by the Company
      or the corporation resulting from such Corporate, and any Person which
      beneficially owned, immediately prior to such Corporate Transaction,
      directly or indirectly, 50% or more of the Outstanding Common Stock or the
      Outstanding Voting Securities, as the case may be) will beneficially own,
      directly or indirectly, 50% or more of, respectively, the outstanding
      shares of common stock of the corporation resulting from such Corporate
      Transaction or the combined voting power of the outstanding securities of
      such corporation entitled to vote generally in the election of directors
      and (iii) individuals who were members of the Incumbent Board will
      constitute at least a majority of the members of the board of directors of
      the corporation resulting from such Corporate Transaction.

            (d)   "Code" means the Internal Revenue Code of 1986, as amended.

            (e)   "Company" means Bone Care International, Inc. a Wisconsin
corporation.

            (f)   "Date of Termination" means:

                  (1)   the effective date on which the Executive's employment
      by the Company terminates as specified in a prior written notice by the
      Company or the Executive, as the case may be, to the other, delivered
      pursuant to Section 11 or

                  (2)   if the Executive's employment by the Company terminates
      by reason of death, the date of death of the Executive.

            (g)   "Good Reason" means, without the Executive's express written
consent, the occurrence of any of the following events after a Change in
Control:

                  (1)   any of (i) the assignment to the Executive of any duties
      inconsistent in any material respect with the Executive's duties or
      responsibilities with the Company immediately prior to such Change in
      Control, (ii) a change in the

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      Executive's titles or offices with the Company as in effect immediately
      prior to such Change in Control or (iii) any removal or involuntary
      termination of the Executive from the Company otherwise than as expressly
      permitted by this Agreement;

                  (2)   a reduction by the Company in the Executive's rate of
      annual base salary as in effect immediately prior to such Change in
      Control or as the same may be increased from time to time thereafter;

                  (3)   any requirement of the Company that the Executive be
      based anywhere other than at the facility where the Executive is located
      at the time of the Change in Control;

                  (4)   the failure of the Company to continue in effect any
      employee benefit plan or compensation plan in which the Executive is
      participating immediately prior to such Change in Control, unless the
      Executive is permitted to participate in other plans providing the
      Executive with substantially comparable benefits, or the taking of any
      action by the Company which would adversely affect the Executive's
      participation in or materially reduce the Executive's benefits under any
      such plan; or

                  (5)   the failure of the Company to obtain the assumption
      agreement from any successor as contemplated in Section 10(b).

                  For purposes of this Agreement, any good faith determination
      of Good Reason made by the Executive shall be conclusive; provided,
      however, that an isolated, insubstantial and inadvertent action taken in
      good faith and which is remedied by the Company promptly after receipt of
      written notice thereof given by the Executive shall not constitute Good
      Reason.

            (h)   "Nonqualifying Termination" means a termination of the
Executive's employment:

                  (1)   by the Company for Cause,

                  (2)   by the Executive for any reason other than a Good
      Reason,

                  (3)   as a result of the Executive's death or

                  (4)   by the Company due to the Executive's absence from his
      duties with the Company on a full-time basis for at least 180 consecutive
      days as a result of the Executive's incapacity due to physical or mental
      illness.

            (i)   "Termination Period" means the period of time beginning with a
Change in Control and ending on the earlier to occur of:

                  (1)   two years following such Change in Control and

                  (2)   the Executive's death.

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            2.    OBLIGATIONS OF THE EXECUTIVE. The Executive agrees that in the
event any person or group attempts a Change in Control, he shall not voluntarily
leave the employ of the Company without Good Reason

            (a)   until such attempted Change in Control terminates or

            (b)   if a Change in Control shall occur, until 90 days following
such Change in Control. For purposes of clause (a) of the preceding sentence,
Good Reason shall be determined as if a Change in Control had occurred when such
attempted Change in Control became known to the Board.

            3.    PAYMENTS UPON TERMINATION OF EMPLOYMENT.

            (a)   If during the Termination Period the employment of the
Executive shall terminate, other than by reason of a Nonqualifying Termination,
then the Company shall pay to the Executive (or the Executive's beneficiary or
estate) within 30 days following the Date of Termination, as compensation for
services rendered to the Company:

                  (1)   a cash amount equal to the sum of (i) the Executive's
      full annual base salary from the Company through the Date of Termination,
      to the extent not theretofore paid, (ii) the Executive's annual bonus in
      an amount at least equal to the highest annualized (for any fiscal year
      consisting of less than 12 full months or with respect to which the
      Executive has been employed by the Company for less than 12 full months)
      bonus paid or payable, including by reason of any deferral, to the
      Executive by the Company in respect of the three fiscal years of the
      Company (or such portion thereof during which the Executive performed
      services for the Company if the Executive shall have been employed by the
      Company for less than such three fiscal year period) immediately preceding
      the fiscal year in which the Change in Control occurs, multiplied by a
      fraction, the numerator of which is the number of days in the fiscal year
      in which the Change in Control occurs through the Date of Termination and
      the denominator of which is 365 or 366, as applicable, and (iii) any
      compensation previously deferred by the Executive (together with any
      interest and earnings thereon) and any accrued vacation pay, in each case
      to the extent not theretofore paid; plus

                  (2)   a lump-sum cash amount (subject to any applicable
      payroll or other taxes required to be withheld pursuant to Section 5) in
      an amount equal to (i) the Executive's highest annual base salary from the
      Company in effect during the 12-month period prior to the Date of
      Termination, plus (ii) the Executive's highest annualized (for any fiscal
      year consisting of less than 12 full months or with respect to which the
      Executive has been employed by the Company for less than 12 full months)
      bonus, paid or payable, including by reason of any deferral, to the
      Executive by the Company in respect of the five fiscal years of the
      Company (or such portion thereof during which the Executive performed
      services for the Company if the Executive shall have been employed by the
      Company for less than such five fiscal year period) immediately preceding
      the fiscal year in which the Change in Control occurs, provided, that any
      amount paid pursuant to this Section 3(a)(2) shall be paid in lieu of any
      other amount of severance relating to salary or bonus continuation to be
      received by the Executive upon

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      termination of employment of the Executive under any severance agreement,
      plan, policy or arrangement of the Company.

            (b)   For a period of eighteen months commencing on the Date of
Termination, the Company shall continue to keep in full force and effect all
policies of medical, accident, disability and life insurance with respect to the
Executive and his dependents with the same level of coverage, upon the same
terms and otherwise to the same extent as such policies shall have been in
effect immediately prior to the Date of Termination and the Company shall pay
all costs of the continuation of such insurance coverage.

            (c)   For a period of twelve months commencing on the Date of
Termination, the Executive shall receive outplacement assistance services from
an outplacement agency selected by the Executive and the Company shall pay all
costs of such services; provided that such costs shall not exceed $15,000 in the
aggregate.

            (d)   If during the Termination Period the employment of the
Executive shall terminate by reason of a Nonqualifying Termination, then the
Company shall pay to the Executive within 30 days following the Date of
Termination, a cash amount equal to the sum of:

                  (1)   the Executive's full annual base salary from the Company
      through the Date of Termination, to the extent not theretofore paid, and

                  (2)   any compensation previously deferred by the Executive
      (together with any interest and earnings thereon) and any accrued vacation
      pay, in each case to the extent not theretofore paid.

            4.    CERTAIN ADDITIONAL PAYMENTS BY THE COMPANY. (a) Anything in
this Agreement to the contrary notwithstanding, in the event it shall be
determined that any payment or distribution by the Company to or for the benefit
of the Executive (whether paid or payable or distributed or distributable
pursuant to the terms of this Agreement or otherwise, but determined without
regard to any additional payments required under this Section 4) (a "Payment")
would be subject to the excise tax imposed by Section 4999 of the Code, or any
interest or penalties are incurred by the Executive with respect to such excise
tax (such excise tax, together with any such interest and penalties, are
hereinafter collectively referred to as the "Excise Tax"), then the Executive
shall be entitled to receive an additional payment (a "Gross-Up Payment") in an
amount such that after payment by the Executive of all taxes (including any
interest or penalties imposed with respect to such taxes), including, without
limitation, any income taxes (and any interest and penalties imposed with
respect thereto) and Excise Tax imposed upon the Gross-Up Payment, the Executive
retains an amount of the Gross-Up Payment equal to the Excise Tax imposed upon
the Payments. Notwithstanding the foregoing provisions of this Section 4(a), if
it shall be determined that the Executive is entitled to a Gross-Up Payment, but
that the Executive, after taking into account the Payments and the Gross-Up
Payment, would not receive a net after-tax benefit (taking into account both
income taxes and any Excise Tax) which is at least ten percent (10%) greater
than the net after-tax proceeds to the Executive resulting from an elimination
of the Gross-Up Payment and a reduction of the Payments, in the aggregate, to an
amount (the "Reduced Amount") that is one dollar less than the smallest amount
that would give rise to any Excise Tax, then no Gross-Up Payment shall be made
to the Executive and the Payments, in the aggregate, shall be reduced to the
Reduced Amount.

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            (a)   Subject to the provisions of Section 4(c), all determinations
required to be made under this Section 4, including whether and when a Gross-Up
Payment is required and the amount of such Gross-Up Payment and the assumptions
to be utilized in arriving at such determination, shall be made by the Company's
public accounting firm (the "Accounting Firm") which shall provide detailed
supporting calculations both to the Company and the Executive within 15 business
days of the receipt of notice from the Executive that there has been a Payment,
or such earlier time as is requested by the Company. In the event that the
Accounting Firm is serving as accountant or auditor for the individual, entity
or group effecting the Change in Control, the Executive shall appoint another
nationally recognized public accounting firm to make the determinations required
hereunder (which accounting firm shall then be referred to as the Accounting
Firm hereunder). All fees and expenses of the Accounting Firm shall be borne
solely by the Company. Any Gross-Up Payment, as determined pursuant to this
Section 4, shall be paid by the Company to the Executive within five days of the
receipt of the Accounting Firm's determination. If the Accounting Firm
determines that no Excise Tax is payable by the Executive, it shall furnish the
Executive with a written opinion that failure to report the Excise Tax on the
Executive's applicable federal income tax return would not result in the
imposition of a negligence or similar penalty. Any determination by the
Accounting Firm shall be binding upon the Company and the Executive. As a result
of the uncertainty in the application of Section 4999 of the Code at the time of
the initial determination by the Accounting Firm hereunder, it is possible that
Gross-Up Payments which will not have been made by the Company should have been
made ("Underpayment"), consistent with the calculations required to be made
hereunder. In the event that the Company exhausts its remedies pursuant to
Section 4(c) and the Executive thereafter is required to make a payment of any
Excise Tax, the Accounting Firm shall determine the amount of the Underpayment
that has occurred and any such Underpayment shall be promptly paid by the
Company to or for the benefit of the Executive.

            (b)   The Executive shall notify the Company in writing of any claim
by the Internal Revenue Service that, if successful, would require the payment
by the Company of the Gross-Up Payment. Such notification shall be given as soon
as practicable but no later than 10 business days after the Executive is
informed in writing of such claim and shall apprise the Company of the nature of
such claim and the date on which such claim is requested to be paid. The
Executive shall not pay such claim prior to the expiration of the 30-day period
following the date on which the Executive gives such notice to the Company (or
such shorter period ending on the date that any payment of taxes with respect to
such claim is due). If the Company notifies the Executive in writing prior to
the expiration of such period that it desires to contest such claim, the
Executive shall:

                  (1)   give the Company any information reasonably requested by
      the Company relating to such claim,

                  (2)   take such action in connection with contesting such
      claim as the Company shall reasonably request in writing from time to
      time, including, without limitation, accepting legal representation with
      respect to such claim by an attorney reasonably selected by the Company,

                  (3)   cooperate with the Company in good faith in order
      effectively to contest such claim, and

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                  (4)   permit the Company to participate in any proceedings
      relating to such claim; provided, however, that the Company shall bear and
      pay directly all costs and expenses (including additional interest and
      penalties) incurred in connection with such contest and shall indemnify
      and hold the Executive harmless, on an after-tax basis, for any Excise Tax
      or income tax (including interest and penalties with respect thereto)
      imposed as a result of such representation and payment of costs and
      expenses. Without limitation on the foregoing provisions of this Section
      4(c), the Company shall control all proceedings taken in connection with
      such contest and, at its sole option, may pursue or forgo any and all
      administrative appeals, proceedings, hearings and conferences with the
      taxing authority in respect of such claim and may, at its sole option,
      either direct the Executive to pay the tax claimed and sue for a refund or
      contest the claim in any permissible manner, and the Executive agrees to
      prosecute such contest to a determination before any administrative
      tribunal, in a court of initial jurisdiction and in one or more appellate
      courts, as the Company shall determine; provided further, that if the
      Company directs the Executive to pay such claim and sue for a refund, the
      Company shall advance the amount of such payment to the Executive on an
      interest-free basis and shall indemnify and hold the Executive harmless,
      on an after-tax basis, from any Excise Tax or income tax (including
      interest or penalties with respect thereto) imposed with respect to such
      advance or with respect to any imputed income with respect to such
      advance; and provided further, that any extension of the statute of
      limitations relating to payment of taxes for the taxable year of the
      Executive with respect to which such contested amount is claimed to be due
      is limited solely to such contested amount. Furthermore, the Company's
      control of the contest shall be limited to issues with respect to which a
      Gross-Up Payment would be payable hereunder and the Executive shall be
      entitled to settle or contest, as the case may be, any other issue raised
      by the Internal Revenue Service or any other taxing authority.

            (c)   If, after the receipt by the Executive of an amount advanced
by the Company pursuant to Section 4(c), the Executive becomes entitled to
receive, and receives, any refund with respect to such claim, the Executive
shall (subject to the Company's complying with the requirements of Section 4(c))
promptly pay to the Company the amount of such refund (together with any
interest paid or credited thereon after taxes applicable thereto). If, after the
receipt by the Executive of an amount advanced by the Company pursuant to
Section 4(c), a determination is made that the Executive shall not be entitled
to any refund with respect to such claim and the Company does not notify the
Executive in writing of its intent to contest such denial of refund prior to the
expiration of 30 days after such determination, then such advance shall be
forgiven and shall not be required to be repaid and the amount of such advance
shall offset, to the extent thereof, the amount of Gross-Up Payment required to
be paid.

            5.    WITHHOLDING TAXES. The Company may withhold from all payments
due to the Executive (or his beneficiary or estate) hereunder all taxes which,
by applicable federal, state, local or other law, the Company is required to
withhold therefrom.

            6.    REIMBURSEMENT OF EXPENSES. If any contest or dispute shall
arise under this Agreement involving termination of the Executive's employment
with the Company or involving the failure or refusal of the Company to perform
fully in accordance with the terms hereof, the Company shall reimburse the
Executive, on a current basis, for all legal fees and

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expenses, if any, incurred by the Executive in connection with such contest or
dispute, together with interest thereon at a rate equal to the prime rate, as
published under "Money Rates" in The Wall Street Journal from time to time, but
in no event higher than the maximum legal rate permissible under applicable law,
such interest to accrue from the date the Company receives the Executive's
statement for such fees and expenses through the date of payment thereof;
provided, however, that in the event the resolution of any such contest or
dispute includes a finding denying, in total, the Executive's claims in such
contest or dispute, the Executive shall be required to reimburse the Company,
over a period of 12 months from the date of such resolution, for all sums
advanced to the Executive pursuant to this Section 6.

            7.    OPERATIVE EVENT. Notwithstanding any provision herein to the
contrary, no amounts shall be payable hereunder unless and until there is a
Change in Control at a time when the Executive is employed by the Company.

            8.    TERMINATION OF AGREEMENT.

            (a)   This Agreement shall be effective on the date hereof and shall
continue until terminated by the Company as provided in Section 8(b); provided,
however, that this Agreement shall terminate in any event upon the earlier to
occur of (i) termination of the Executive's employment with the Company prior to
a Change in Control and (ii) the Executive's death.

            (b)   The Company shall have the right prior to a Change in Control,
in its sole discretion, pursuant to action by the Board, to approve the
termination of this Agreement; provided, however, that no such action shall be
taken by the Board during any period of time when the Board has knowledge that
any person has taken steps reasonably calculated to effect a Change in Control
until, in the opinion of the Board, such person has abandoned or terminated its
efforts to effect a Change in Control; and provided further, that in no event
shall this Agreement be terminated in the event of a Change in Control.

            9.    SCOPE OF AGREEMENT. Nothing in this Agreement shall be deemed
to entitle the Executive to continued employment with the Company or its
subsidiaries and, if the Executive's employment with the Company shall terminate
prior to a Change in Control, then the Executive shall have no further rights
under this Agreement; provided, however, that any termination of the Executive's
employment following a Change in Control shall be subject to all of the
provisions of this Agreement.

            10.   SUCCESSORS; BINDING AGREEMENT.

            (a)   This Agreement shall not be terminated by any merger or
consolidation of the Company whereby the Company is or is not the surviving or
resulting corporation or as a result of any transfer of all or substantially all
of the assets of the Company. In the event of any such merger, consolidation or
transfer of assets, the provisions of this Agreement shall be binding upon the
surviving or resulting corporation or the person or entity to which such assets
are transferred.

            (b)   The Company agrees that concurrently with any merger,
consolidation or transfer of assets referred to in Section 10(a), it will cause
any successor or transferee

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unconditionally to assume, by written instrument delivered to the Executive (or
his beneficiary or estate), all of the obligations of the Company hereunder.
Failure of the Company to obtain such assumption prior to the effectiveness of
any such merger, consolidation or transfer of assets shall be a breach of this
Agreement and shall entitle the Executive to compensation and other benefits
from the Company in the same amount and on the same terms as the Executive would
be entitled hereunder if the Executive's employment were terminated following a
Change in Control other than by reason of a Nonqualifying Termination. For
purposes of implementing the foregoing, the date on which any such merger,
consolidation or transfer becomes effective shall be deemed the Date of
Termination.

            (c)   This Agreement shall inure to the benefit of and be
enforceable by the Executive's personal or legal representatives, executors,
administrators, successors, heirs, distributees, devisees and legatees. If the
Executive shall die while any amounts would be payable to the Executive
hereunder had the Executive continued to live, all such amounts, unless
otherwise provided herein, shall be paid in accordance with the terms of this
Agreement to such person or persons appointed in writing by the Executive to
receive such amounts or, if no person is so appointed, to the Executive's
estate.

            11.   NOTICES.

            (a)   For purposes of this Agreement, all notices and other
communications required or permitted hereunder shall be in writing and shall be
deemed to have been duly given when delivered or five days after deposit in the
United States mail, certified and return receipt requested, postage prepaid,
addressed

                  (1)   if to the Executive, to 128 Monte Cristo Cr., Verona, WI
      53593, and if to the Company, to Bone Care International, 1600 Aspen
      Commons, Middleton, WI 53562, attention Paul L. Berns with a copy to the
      Secretary, or

                  (2)   to such other address as either party may have furnished
      to the other in writing in accordance herewith, except that notices of
      change of address shall be effective only upon receipt.

            (b)   A written notice of the Executive's Date of Termination by the
Company or the Executive, as the case may be, to the other, shall (i) indicate
the specific termination provision in this Agreement relied upon, (ii) to the
extent applicable, set forth in reasonable detail the facts and circumstances
claimed to provide a basis for termination of the Executive's employment under
the provision so indicated and (iii) specify the termination date (which date
shall be not less than 15 days after the giving of such notice). The failure by
the Executive or the Company to set forth in such notice any fact or
circumstance which contributes to a showing of Good Reason or Cause shall not
waive any right of the Executive or the Company hereunder or preclude the
Executive or the Company from asserting such fact or circumstance in enforcing
the Executive's or the Company's rights hereunder.

            12.   FULL SETTLEMENT; RESOLUTION OF DISPUTES.

            (a)   The Company's obligation to make any payments provided for in
this Agreement and otherwise to perform its obligations hereunder shall not be
affected by any set-

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off, counterclaim, recoupment, defense or other claim, right or action which the
Company may have against the Executive or others. In no event shall the
Executive be obligated to seek other employment or take any other action by way
of mitigation of the amounts payable to the Executive under any of the
provisions of this Agreement and such amounts shall not be reduced whether or
not the Executive obtains other employment.

            (b)   If there shall be any dispute between the Company and the
Executive in the event of any termination of the Executive's employment, then,
unless and until there is a final, nonappealable judgment by a court of
competent jurisdiction declaring that such termination was for Cause, that the
determination by the Executive of the existence of Good Reason was not made in
good faith, or that the Company is not otherwise obligated to pay any amount or
provide any benefit to the Executive and his dependents or other beneficiaries,
as the case may be, under Sections 3(a) and 3(b), the Company shall pay all
amounts, and provide all benefits, to the Executive and his dependents or other
beneficiaries, as the case may be, that the Company would be required to pay or
provide pursuant to Sections 3(a) and 3(b) as though such termination were by
the Company without Cause or by the Executive with Good Reason; provided,
however, that the Company shall not be required to pay any disputed amounts
pursuant to this Section 12(b) except upon receipt of an undertaking by or on
behalf of the Executive to repay all such amounts to which the Executive is
ultimately adjudged by such court not to be entitled.

            13.   EMPLOYMENT WITH SUBSIDIARIES. Employment with the Company for
purposes of this Agreement shall include employment with any corporation or
other entity in which the Company has a direct or indirect ownership interest of
50% or more of the total combined voting power of the then outstanding
securities of such corporation or other entity entitled to vote generally in the
election of directors.

            14.   GOVERNING LAW; VALIDITY. The interpretation, construction and
performance of this Agreement shall be governed by and construed and enforced in
accordance with the internal laws of the State of Wisconsin without regard to
the principle of conflicts of laws. The invalidity or unenforceability of any
provision of this Agreement shall not affect the validity or enforceability of
any other provisions of this Agreement, which other provisions shall remain in
full force and effect.

            15.   COUNTERPARTS. This Agreement may be executed in two
counterparts, each of which shall be deemed to be an original and both of which
together shall constitute one and the same instrument.

            16.   MISCELLANEOUS. No provision of this Agreement may be modified
or waived unless such modification or waiver is agreed to in writing and signed
by the Executive and by a duly authorized officer of the Company. No waiver by
either party hereto at any time of any breach by the other party hereto of, or
compliance with, any condition or provision of this Agreement to be performed by
such other party shall be deemed a waiver of similar or dissimilar provisions or
conditions at the same or at any prior or subsequent time. Failure by the
Executive or the Company to insist upon strict compliance with any provision of
this Agreement or to assert any right the Executive or the Company may have
hereunder, including, without limitation, the right of the Executive to
terminate employment for Good Reason, shall not be deemed to be a waiver of such
provision or right or any other provision or right of this

                                     - 11 -
<PAGE>

Agreement. Except as otherwise expressly set forth in this Agreement, the rights
of, and benefits payable to, the Executive, his estate or his beneficiaries
pursuant to this Agreement are in addition to any rights of, or benefits payable
to, the Executive, his estate or his beneficiaries under any other employee
benefit plan or compensation program of the Company.

            IN WITNESS WHEREOF, the Company has caused this Agreement to be
executed by a duly authorized officer of the Company and the Executive has
executed this Agreement as of the day and year first above written.

                                              BONE CARE INTERNATIONAL, INC.

                                              By: /S/ PAUL L. BERNS
                                                  ----------------------
                                                  Paul L. Berns

                                              /S/ C. BASIL MUNDY, II
                                              --------------------------
                                                  C. Basil Mundy, II

Subscribed and Sworn to before me
this 1st day of July, 2004.

/S/ TAMMIE PROCHASKA
----------------------
Tammie Prochaska, Notary Public

My commission expires 6/17/07.

                                     - 12 -<PAGE>
                                                                    EXHIBIT 10.1

                              EMPLOYMENT AGREEMENT

      THIS AGREEMENT, dated as of August 24, 2004, is by and between THE BON-TON
STORES, INC., a Pennsylvania corporation (the "Company"), and BYRON BERGREN
("Employee").

                              W I T N E S S E T H:

      WHEREAS, the Company has offered Employee the position of President and
Chief Executive Officer and

      WHEREAS, Employee has accepted the Company's offer,

      NOW THEREFORE, in consideration of the mutual promises and covenants
contained herein and intending to be legally bound hereby, the Company and
Employee agree as follows:

      1. Position and Responsibilities

            (a) The Company hereby employs Employee and Employee hereby accepts
employment by the Company as the Company's President and Chief Executive
Officer. Employee shall report to the Board of Directors of the Company and
shall exercise the responsibilities and authority of that position in accordance
with the by-laws of the Company and the Board of Directors' Governance Policies,
as they may be amended from time to time.

            (b) The Company agrees to nominate Employee to serve as a Director
of the Board of the Company beginning as soon as possible after the Effective
Date and continuing for as long as he is employed as President and Chief
Executive Officer pursuant to this Agreement. Upon termination of employment for
any reason, Employee does hereby resign his Director position effective on the
date of termination of employment.

<PAGE>

            (c) Throughout the term of this Agreement, Employee shall devote his
entire working time, energy, attention, skill and best efforts to the affairs of
the Company and to the performance of his duties hereunder in a manner which
will faithfully and diligently further the business and interests of the
Company. Employee may not, directly or indirectly, do any work for or on behalf
of a competitor or any other for profit company or non-profit organization while
employed by the Company, without the approval of the Board of Directors.
However, nothing herein shall be deemed to prevent or limit the right of
Employee to invest any of his personal funds in less than one percent of the
capital stock or other securities of any corporation whose stock or securities
are publicly owned or are regularly traded on any public exchange, or to invest
up to $500,000 in a private company. Any greater investment in either a public
or private company may only be made with the Company's written consent. Approval
of other board memberships and participation in lectures and teaching activities
will be at the discretion of the Board, however, such approval will not be
unreasonably withheld, provided such activities do not significantly interfere
with Employee's duties under this Agreement.

            (d) Employee shall not obtain goods or services or otherwise deal on
behalf of the Company with any business or entity in which Employee or a member
of his family has a financial interest or from which Employee or a member of his
immediate family may derive a financial benefit as a result of such transaction,
except that this prohibition shall not apply to any public company in which
Employee or a member of his family owns less than one percent of the outstanding
stock.

      2. Term of Agreement; Renewal This Agreement, and Employee's employment
hereunder, shall commence as of the date this Agreement has been executed by
both parties (the

                                     - 2 -
<PAGE>

"Effective Date"), and shall continue through and terminate on January 31, 2008
("the Term"), unless sooner terminated in accordance with Paragraph 12 below.
Thereafter, the Term shall be extended from year to year (February 1 through
January 31 of each following year) unless either party to the Agreement shall
provide the other party written notice to terminate the Agreement no later than
six (6) months prior to expiration of the Term or any extension of the Term. For
purposes of the Agreement, any reference to the Term of this Agreement shall
include the initial term and any extension thereof.

      3. Place of Performance Employee shall be based at the regular executive
offices of the Company (currently in York, Pennsylvania) except for travel
required for Company business. Employee will relocate to a reasonable commuting
distance to York within six (6) months of the Effective Date of this Agreement.
Employee will be reimbursed for all relocation expenses in accordance with the
Company's policy applicable to Company senior executives. In the event of the
relocation of the executive offices of the Company, Employee will be reimbursed
for his relocation expenses from York to the new location in accordance with the
Company's policy applicable to Company senior executives.

      4. Compensation

            (a) Salary Employee shall receive an initial base salary at the
annual rate of $700,000 ("Base Salary"). This Base Salary, less taxes and normal
deductions, shall be paid to Employee in substantially equal installments in
accordance with the Company's regular executive payroll practices in effect from
time to time. During the Term, the annual Base Salary shall not be less than the
initial Base Salary and may be reviewed from time to time during the Term by the
Compensation Committee of the Board to ascertain whether, in the sole discretion

                                     - 3 -
<PAGE>

of the Compensation Committee, such Base Salary should be increased. The first
such review shall occur in 2006 for the period commencing May 1, 2006.

            (b) Bonus Employee will participate in the Company's bonus plan for
senior executives in accordance with its terms and conditions. For the fiscal
year of the Company ending January 31, 2005 Employee shall be eligible to earn a
target bonus of 50% of his Base Salary and a maximum bonus up to 100% of his
Base Salary. Employee's Base Salary for purposes of the bonus award for the
fiscal year ending January 31, 2005 shall be his total base compensation for the
year, reflecting the differing levels of salary received by Employee during this
year. For all fiscal years beginning on or after February 1, 2005, Employee
shall be eligible for a target bonus of 75% of his Base Salary and a maximum
bonus equal to 150% of his Base Salary. Bonuses shall be determined and awarded
in accordance with objectives to be determined by the Compensation Committee of
the Board of Directors and communicated to Employee each year during the Term.
To the extent reasonably practicable, the annual bonus shall be computed within
90 days following the close of the Company's fiscal year and paid within 30 days
of its compilation, but in any event no later than bonuses are paid to other
Company senior executives.

      5. Initial Stock Grant and Option Award

            (a) Restricted Share Grant On the Effective Date, Employee shall be
granted 35,000 restricted shares of the Company's Common Stock ("Restricted
Shares"). Employee's ownership of all Restricted Shares will vest on January 31,
2008 provided that Employee is continuously employed by the Company from the
Effective Date through January 31, 2008, except as otherwise provided in
Paragraphs 12(d) and 13(a).

                                     - 4 -
<PAGE>

            (b) Stock Options On the Effective Date, Employee shall receive a
grant of options to purchase 125,000 shares of the Company's Common Stock at a
purchase price equal to the fair market value of the stock on the date of grant
("Options"). The Options will be granted pursuant to the terms of the Company's
2000 stock Incentive Plan("the Plan"). The Options shall vest in three equal
installments on January 31, 2006, January 31, 2007 and January 31, 2008,
provided Employee is in the employ of the Company on each such date, except as
otherwise provided in Paragraphs 12(d) and 13(a).

      6. Long-Term Incentive Plan

            In the event that the Company adopts a Long-Term Income Plan (LTIP),
Employee will participate in the LTIP and be eligible for future grants or
awards of stock options based on his performance.

      7. Allowances Upon the Effective Date, the Company will provide Employee
with a currently leased luxury automobile and an annual allowance of $5,000
during each year of the Term of this Agreement to reimburse Employee for
Employee's expenses of insurance and maintenance. Upon expiration of the lease,
the Company will provide Employee with a monthly allowance equal to the lease
payments on the current vehicle to be used for the lease or purchase of a
vehicle of employee's choice. The Company will provide Employee with a Company
membership in a country club in the York, PA area and an annual allowance of up
to $5,500 each year during the term to reimburse Employee for his cost of
membership. Employee will provide reasonable documentation to support all of
these allowances.

                                     - 5 -
<PAGE>

      8. Medical Insurance Employee and his eligible dependents shall be
eligible to participate in the Company's group medical plans in accordance with
the terms of such plans and subject to the restrictions and limitations
contained in the plans or applicable insurance or agreements. The Company shall
additionally pay Employee up to $8,000 per year for medical expenses which are
not covered by the Company's medical plan.

      9. Other Benefits Employee shall be eligible to participate in the
Company's retirement plans, discount program, vacation plan, life insurance,
long-term disability plan and employee benefit programs generally made available
to other executives of the Company, subject to their respective generally
applicable eligibility requirements, terms, conditions and restrictions;
provided however, that payments under this Agreement shall be in lieu of any
severance benefits otherwise provided by the Company. However, nothing in this
Agreement shall preclude the Company from amending or terminating any such
insurance, benefit, program or plan so long as the amendment or termination is
applicable to the Company's executives generally. Moreover, the Company's
obligations under this provision shall not apply to any insurance, benefit,
program or plan made available on an individual basis to one or more select
executive employees by contract if such insurance, benefit, program or plan is
not made available to all executive employees. With respect to Employee's
participation in the Company's vacation plan, Employee shall be eligible for
four weeks vacation per calendar year, which vacation entitlement shall be
pro-rated in any calendar year in which the Employee does not work the entire
calendar year.

      10. Business Expenses The Company shall pay or reimburse Employee for
reasonable entertainment and other expenses incurred by Employee in connection
with the

                                     - 6 -
<PAGE>

performance of Employee's duties under this Agreement in a manner commensurate
with Employee's position as the Company's President and Chief Executive Officer
upon receipt of vouchers therefor and in accordance with the Company's regular
reimbursement procedures and practices in effect from time to time.

      11. Disability or Incapacity If Employee becomes physically or mentally
unable to perform his essential duties hereunder, with or without reasonable
accommodations, the Company will continue Employee's benefits provided under
this Agreement to the extent permitted by the applicable plan documents or
insurance agreements and will pay Employee the difference between his Base
Salary and any benefits received by him under any disability insurance policy
during the period of the disability or incapacity for up to the lesser of either
13 weeks following the date Employee is first unable to perform his duties due
to such disability or incapacity or for a cumulative period of 26 weeks during
the term of this Agreement. In addition, the Company shall continue such
benefits and compensation referred to above for so long as the Company elects
not to terminate Employee pursuant to Paragraph 12 below.

      12. Termination of Employment Notwithstanding any other provision of this
Agreement, Employee's employment and all of the Company's obligations or
liabilities under this Agreement may be terminated immediately, excluding any
obligations the Company may have under this Paragraph 12, in any of the
following circumstances:

            (a) Disability or Incapacity In the event of Employee's physical or
mental inability to perform his essential duties hereunder, with or without
reasonable accommodation, for a period of 13 consecutive weeks or for a
cumulative period of 26 weeks during the Term of this Agreement.

                                     - 7 -
<PAGE>

            (b) Death of Employee In the event of Employee's death.

            (c) Resignation for Good Reason Employee may resign for "Good
Reason," defined below, upon 30 days' written notice by Employee to the Company
except as set forth in paragraph 12(d) below. The Company may waive Employee's
obligation to work during this 30 day notice period and terminate his employment
immediately, but if the Company takes this action in the absence of agreement by
Employee, Employee shall receive the salary which otherwise would be due through
the end of the notice period. For purposes of this Agreement, "Good Reason"
shall mean any of the following violations of this Agreement by the Company:
causing Employee to cease to be President and Chief Executive Officer; causing
the Employee to cease reporting to the Board or to the Chairman of the Board;
failing to nominate Employee to continue to serve as a Director of the Company
or removing Employee from the Board; any reduction in the Employee's Base Salary
below $700,000; any reduction in the Employee's potential bonus-eligibility
amount; or any substantial breach of any material provision of this Agreement.
Notwithstanding the foregoing, the acts or omissions described above shall not
constitute "Good Reason" unless the Employee provides the Company with written
notice detailing the matters he asserts to be "Good Reason" which the Company
does not cure within thirty (30) days of receiving the notice.

            (d) Change of Control In the event of a Change of Control, "Good
Reason," in addition to the matters set forth in Paragraph 12(c), shall also
mean (i) a successor or assign (whether direct or indirect, by purchase, merger,
consolidation, operation of law or otherwise) to all or substantially all of the
business and/or assets of the Company fails to assume all duties, obligations
and liabilities of the Company under the Agreement pursuant to Paragraph 21;
(ii) an

                                     - 8 -
<PAGE>

adverse change in the nature or scope of authorities, powers, functions,
responsibilities or duties attendant to the position held by Employee from those
authorities, powers, functions, responsibilities or duties which Employee held
immediately prior to the Change of Control; or (iii) the relocation of the
Company's principal executive offices if Employee's principal location of work
is then in such offices, or requirement that Employee have Employee's principal
location of work changed to any location that is in excess of 50 miles from the
current location; provided, however, the Employee shall be prohibited from
resigning for Good Reason for a period of three months following the Change of
Control; provided that during such three month period, Employee may satisfy the
30-day notice period provided under Paragraph 12(c) by written notice to the
Company of Employee's intention. to resign for Good Reason after the expiration
of such three months. For purposes of this Agreement, a Change in Control shall
be deemed to occur if:

                  (i) any "person," as such term is defined under Sections
3(a)(9) and 13(d) of the Securities Exchange Act of 1934 ("the Exchange Act"),
who is not an Affiliate of Company as defined in the Exchange Act on the date
hereof, becomes a "beneficial owner," as such term is used in Rule 13d-3 under
the Exchange Act, of a majority of the Company's Voting Stock;

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

                  (iii) the Company is party to a merger, consolidation, other
form of business combination or a sale of all or substantially all of its
assets, unless the business of the Company is continued following any such
transaction by a resulting entity (which may be, but

                                     - 9 -
<PAGE>

need not be, the Company) and the shareholders of the Company immediately prior
to such transaction (the "Prior Shareholders") hold, directly or indirectly, a
majority of the voting power of the resulting entity; or

                  (iv) if any one shareholder owns stock possessing a greater
voting power than held by M. Thomas Grumbacher and his family, or if M. Thomas
Grumbacher and his family control less than 20% of the Voting Stock; or

In the event of a Change in Control, any restricted shares of the Company's
Common Stock then held by the Employee shall fully vest and any forfeiture
restrictions with respect thereto shall immediately lapse and any outstanding
options to purchase shares of the Company's Common Stock will become fully and
immediately exercisable to the extent not already exercisable on the terms
provided in the Company's stock option plans.

            (e) Discharge for Cause Company may discharge Employee at any time
for "Cause," which shall be limited to: willful and proven violation of
reasonable directives from the Board or of standards of conduct established by
law; fraud, willful misconduct, misappropriation of funds or other dishonesty;
conviction of a crime of moral turpitude; or material breach of the covenants
set forth in Paragraph 15. The Board of Directors' Governance Policies are not
"directives" for purposes of this provision.

      For purposes of this Agreement, no act or failure to act on the part of
Employee shall be deemed "willful" if it was due primarily to negligence, but
shall be deemed "willful" only if done or omitted to be done by Employee not in
good faith and without reasonable belief that Employee's action or omission was
in and not opposed to the best interest of the Company.

                                     - 10 -
<PAGE>

Notwithstanding the foregoing, to terminate the employment of Employee for
Cause, the Company must deliver to Employee a Notice of Termination (as defined
below) given within 90 days after the Board both (i) has knowledge of conduct or
an event allegedly constituting Cause and (ii) has reason to believe that such
conduct or event could be grounds for Cause. For purposes of this Agreement, a
"Notice of Termination" shall mean a copy of a resolution duly adopted by the
affirmative vote of the Board, excluding Employee, at a meeting called for the
purpose of determining that Employee has engaged in conduct that constitutes
Cause (and at which the Employee had a reasonable opportunity, together with his
counsel, to be heard before the Board prior to such vote), provided however,
that the Board or the Chairman of the Board may suspend Employee (with or
without pay) for cause pending the hearing and vote on the Notice of
Termination.

            (f) Discharge without Cause Notwithstanding any other provision of
this Agreement, Employee's employment and any and all of the Company's
obligations under this Agreement (excluding any obligations the Company may have
under Paragraph 13 below) may be terminated by the Company at any time without
Cause.

      13. Payments and Rights Upon Termination

            (a) Discharge Without Cause or Resignation for Good Reason. If
Employee is discharged without Cause or resigns for Good Reason during the Term
of the Agreement Employee shall be entitled to severance pay and other benefits
as follows:

                  (i) Prompt payment of all accrued wages and accrued but unused
vacation pay through the date of termination of employment, and for a period of
one year after

                                     - 11 -
<PAGE>

the Effective Date, severance pay in the amount of one year's Base Salary
payable in installments in accordance with the Company's payroll practices and
continued payment of premiums in connection with Employee's continued
participation in the Company's group health plan pursuant to COBRA;

                  (ii) After completion of one year after the Effective Date,
prompt payment of all accrued wages and accrued but unused vacation pay through
the date of termination of employment, and severance pay in the amount of his
Base Salary payable in installments and continued payment of premiums in
connection with the Employee's continued participation in the Company's group
health benefit plan pursuant to COBRA for the remaining Term or for a period of
one (1) year from the date of termination, whichever is longer; and

                  (iii) If Employee has been employed for at least three months
in the Company's fiscal year in which the termination of his employment occurs,
Employee will receive a prorated portion (based on the number of days employed
in the fiscal year) of the bonus which would have been earned by Employee under
Paragraph 4(b) for said fiscal year based on the Company's full year
performance. The bonus, if any, under this clause (iii) will be paid at the time
that bonuses are paid to other Company senior executives for the fiscal year in
which the termination occurs.

            (b) Release. The Employee's right to the payments set forth in
Paragraph 13(a) above shall be contingent upon execution by the Employee at or
about the time of termination of his employment of a general release of claims
(including without limitation contractual, common law and statutory claims) in a
form reasonably satisfactory to the Company in favor of the Company and its
officers, directors, executives and agents which release he does

                                     - 12 -
<PAGE>

not revoke; provided that Employee's obligation to provide this release is
contingent upon his concurrent receipt from Employer of a general release of
claims against Employee (including, without limitation contractual, common law
and statutory claims) in a form reasonably satisfactory to Employee in favor of
Employee, in the event Employer does not provide such a release, Employee shall
be entitled to the payments provided under this Paragraph 14 without executing
the release otherwise required of him hereunder.

            (c) No Duty to Mitigate Employee shall have no duty to mitigate his
damages and the amounts due Employee upon discharge without Cause or resignation
for Good Reason shall not be reduced by any payments received from other
sources.

            (d) Death or Disability/Incapacity

                  (i) On death, Employee's estate's sole entitlement will be to
Base Salary for any days worked prior to his death, amounts payable on account
of Employee's death under any insurance, bonus or other benefit plans or
policies maintained by the Company, and any vested Options to which Employee is
entitled under the Company's stock option plans in accordance with, to the
extent provided in, and subject to the restrictions and payout schedules
contained in those plans.

                  (ii) On termination for disability or incapacity, Employee's
sole entitlement will be to Base Salary for any days worked prior to the date of
termination, amounts payable on account of disability or incapacity under any
insurance, bonus or other benefit plans or policies maintained by the Company,
any vested options to which he is entitled under the

                                     - 13 -
<PAGE>

Company's stock option plans in accordance with, to the extent provided in, and
subject to the restrictions and payout schedules contained in those plans.

            (e) Resignation/Expiration/Discharge for Cause If Employee is
discharged for Cause or resigns without Good Reason or upon expiration of the
Term (or any extension of the Term), Employee's sole entitlement will be the
receipt of Base Salary and accrued but unused vacation pay for any days worked
through the date of termination and any pay-outs to which he is entitled under
the Company's stock option plans in accordance with, to the extent provided in,
and subject to the restrictions and payout schedules contained in those plans
and this Agreement.

            (f) Change in Control

                  (i) Notwithstanding the foregoing, upon a Change in Control as
defined in Paragraph 12(d), Employee's options and restricted shares shall
immediately vest as provided in Paragraph 12(d) and following a Change in
Control if either (x) the Employee's employment ceases for any reason after the
expiration of three months following the Change in Control, including, without
limitation, resignation by Employee with or without Good Reason; or (y) during
the three months immediately following the Change in Control he is terminated
other than for Cause, Employee shall receive a "Change of Control Payment" equal
to the lesser of 2.99 time his Base Salary (at the salary level immediately
preceding the Change in Control) or, if applicable, the "280G Permitted Payment"
(as described in subparagraph (ii)).

                  (ii) Notwithstanding any other provision of this Agreement, if
the aggregate present value of the "parachute payments" to the Employee,
determined under Section 280G(b) of the Internal Revenue Code of 1986, as
amended (the "Code"), would be at least three times the "base amount" determined
under Code Section 280G, then the "280G

                                     - 14 -
<PAGE>

Permitted Payment" shall be the maximum amount that may be paid as a Change of
Control Payment under this Section 12(d) such that the aggregate present value
of such "parachute payments" to the Employee is less than three times his "base
amount." In addition, in the event the aggregate present value of the parachute
payments to the Employee would be at least three times his base amount even
after a reduction of the Change of Control Payment to $0 (all as determined for
purposes of Code Section 280G), compensation otherwise payable upon a Change of
Control under this Agreement or upon a Change of Control under any severance
plan, program, policy or obligation of the Company or any affiliate thereof
shall be reduced so that the aggregate present value of such parachute payments
to the Employee, as determined under Code Section 280G(b) is less than three
times his base amount. Any decisions regarding the requirement or implementation
of such reductions shall be made by independent tax counsel selected by mutual
agreement of the Company and Employee, the costs of which counsel shall be borne
by the Company.

                  (iii) In the event of a Change of Control and if prior to the
end of the Term and within two years after the Change of Control, Employee
terminates his employment for any reason or his employment is terminated without
Cause, the covenants of Paragraph 15(a) shall be inapplicable to Employee.

      14. Company Property All advertising, sales, manufacturers' and other
materials or articles or information, including without limitation data
processing reports, customer sales analyses, invoices, price lists or
information or any other materials or data of any kind furnished to Employee by
the Company or developed by Employee on behalf of the Company or at the
Company's direction or for the Company's use or otherwise in connection with
Employee's

                                     - 15 -
<PAGE>

employment with the Company, are and shall remain the sole and confidential
property of the Company.

      15. Non-Competition and Confidentiality To the maximum extent permissible
by law:

            (a) During the Term and for a period equal to one year after the
Term upon a termination of employment for any reason whatsoever, whether by
Employee or by the Company, Employee shall not, directly or indirectly:

                  (i) Induce or influence any customer, employee, consultant,
independent contractor or supplier of the Company to cease to do business with,
change relationship with, or terminate his employment or other relationship with
the Company.

                  (ii) After the cessation of his employment through the end of
the one-year restrictive period, engage in (as a principal, partner, director,
officer, agent, employee, consultant, owner, independent contractor or
otherwise) or be financially interested in the retail department store business
of Boscov's (or any successor or purchaser of Boscov's retail department store
business), or any department store business which competes with stores of the
Company which in the aggregate contribute to at least 50% of the volume of the
Company as of the date of Employee's termination of employment.

            (b) During his employment with the Company and at all times
thereafter, and except as required by law, Employee shall not use for his
personal benefit, or disclose, communicate or divulge to, or use for the direct
or indirect benefit of, any person, firm, association or company other than the
Company, any confidential information of the Company

                                     - 16 -
<PAGE>

which Employee acquires in the course of his employment which is not otherwise
lawfully known by and readily available to the general public. This confidential
information includes, but is not limited to: any material referred to in
Paragraph 14 or any information regarding the business, marketing, legal or
accounting methods, policies, plans, procedures, strategies or techniques;
research or development projects or results; trade secrets or other knowledge or
processes of or developed by the Company; names and addresses of employees,
suppliers or customers. Employee confirms that such information is confidential
and constitutes the exclusive property of the Company, and agrees that,
immediately upon his termination, whether by Employee or by the Company and
whether during the term of this Agreement or subsequent to the expiration of
this Agreement, Employee shall deliver to Company all correspondence, documents,
books, records, lists, computer programs and other writings relating to
Company's business; and Employee shall retain no copies, regardless of where or
by whom said writings were kept or prepared.

            (c) Both during his employment with the Company and following his
termination for any reason, whether by Employee or by the Company and whether
during the term of this Agreement or following the expiration of the Agreement,
Employee shall, as reasonably requested and upon reasonable notice, furnish to
the Company such information pertaining to his employment with the Company as
may be in his possession. The Company shall reimburse Employee for all
reasonable expenses incurred by him in fulfilling his obligation under this
subparagraph (c).

                                     - 17 -
<PAGE>

            (d) The provisions of subparagraphs (a), (b) and (c) shall survive,
in accordance with their respective terms, the cessation of Employee's
employment for any reason, as well as the expiration of this Agreement at the
end of the Term or at any time prior thereto.

            (e) Employee acknowledges that the restrictions contained in this
Paragraph 15, in view of the nature of the business in which the Company is
engaged and the Employee's position with the Company, are reasonable and
necessary to protect the legitimate interests of the Company, and that any
violation of those restrictions would result in irreparable injury to the
Company. Employee therefore agrees that, in the event of his violation of any of
those restrictions, the Company shall be entitled to obtain from any court of
competent jurisdiction preliminary and permanent injunctive relief against
Employee, in addition to damages from Employee and an equitable accounting of
all commissions, earnings, profits and other benefits arising from such
violation, which rights shall be cumulative and in addition to any other rights
or remedies to which the Company may be entitled.

            (f) Employee agrees that if any, or any portion, of the foregoing
covenants, or the application thereof, is construed to be invalid or
unenforceable, the remainder of such covenant or covenants or the application
thereof shall not be affected and the remaining covenant or covenants will then
be given full force and effect without regard to the invalid or unenforceable
portions. If any covenant is held to be unenforceable because of the area
covered, the duration thereof, or the scope thereof, Employee agrees that the
Court making such determination shall have the power to reduce the area and/or
the duration, and/or limit the scope thereof, and the covenant shall then be
enforceable in its reduced form. If Employee violates any of the restrictions
contained in subparagraph (a), the period of such violation (from the

                                     - 18 -
<PAGE>

commencement of any such violation until such time as such violation shall be
cured by Employee to the satisfaction of the Company) shall not count toward or
be included in the one year restrictive period contained in subparagraph (a).

            (g) For purposes of Paragraphs 14 and 15 of this Agreement, the term
"Company" shall include not only The Bon-Ton Stores, Inc., but also any of its
successors, subsidiaries or affiliates, except as otherwise set forth in
Paragraph 15(a).

      16. Taxes Employee agrees that he is responsible for paying any and all
federal, state and local income taxes assessed with respect to any money,
benefits or other consideration received from the Company and that the Company
is entitled to withhold any tax payments from amounts otherwise due Employee to
the extent required by applicable statutes, rulings or regulations.

      17. Legal Fees, Costs and Expenses The Company agrees to pay Employee's
reasonable attorney's fees, costs and expenses in connection with the
negotiation of this Agreement up to $8,000. Any payment due to Employee under
this Agreement which was not timely made by the Company without reasonable
justification shall include an award of interest at the rate of 10% per annum.

      18. Entire Understanding This Agreement contains the entire understanding
between the Company and Employee with respect to the subject matter hereof and
supersedes all prior and contemporary agreements and understandings, inducements
or conditions, express or implied, written or oral, between the Company and
Employee except as herein contained. The

                                     - 19 -
<PAGE>

express terms hereof control and supersede any course of performance and/or
usage of the trade inconsistent with any of the terms hereof.

      19. Modifications This Agreement may not be modified orally but only by
written agreement signed by Employee and the Company's Chairman of the Board or
such other person as the Board may designate specifically for this purpose.

      20. Provisions Separable The provisions of this Agreement are independent
of and separable from each other, and no provision shall be affected or rendered
invalid or unenforceable by virtue of the fact that for any reason any other or
others of them may be invalid or unenforceable in whole or in part.

      21. Consolidation, Merger or Sale of Assets Nothing in this Agreement
shall preclude the Company from consolidating or merging into or with, or
transferring all or substantially all of its assets to, another entity which
expressly assumes, in a writing reasonably acceptable to Employee, this
Agreement and all obligations and undertakings of the Company hereunder. Under
such a consolidation, merger or transfer of assets and assumption, the term "the
Company" as used herein, shall mean such other entity and this Agreement shall
continue in full force and effect.

      22. Notices All notices, requests, demands and other communications
required or permitted under this Agreement shall be in writing and shall be
deemed to have been duly given, made and received when delivered (personally, by
courier service such as Federal Express, or by messenger) or when deposited in
the United States mails, registered or certified mail, postage pre-paid, return
receipt requested, addressed as set forth below:

                                     - 20 -
<PAGE>

            (a) If to the Company:

                The Bon-Ton Stores, Inc.
                2801 East Market Street
                York, PA 17402
                Attention:  Chairman

                with a copy to:

                Henry F. Miller, Esquire
                Wolf, Block, Schorr and Solis-Cohen LLP
                1650 Arch Street
                22nd  Floor
                Philadelphia, PA  19103-2097

                                     - 21 -
<PAGE>

            (b) If to Employee:

                Byron Bergren
                2284 Annandale Place
                Beavercreek, OH  45385

                with a copy to

                Matthew J. Knopf
                Dorsey & Whitney LLP
                50 South Fifth Street
                Minneapolis, MN  55402

In addition, notice by mail shall be by air mail if posted outside of the
continental United States. Any party may alter the address to which
communications or copies are to be sent by giving notice of such change of
address in conformity with the provisions of this paragraph for the giving of
notice.

      23. No Attachment Except as required by law, no right to receive payments
under this Agreement shall be subject to anticipation, commutation, alienation,
sale, assignment, encumbrance, charge, pledge, or hypothecation or to execution,
attachment, levy or similar process or assignment by operation of law, and any
attempt, voluntary or involuntary, to effect any such action shall be null, void
and of no effect.

      24. Binding Agreement This Agreement shall be binding upon, and shall
inure to the benefit of the Company and its successors, representatives, and
assigns and shall be binding upon Employee, his heirs, executors and legal
representatives.

                                     - 22 -
<PAGE>

      25. No Assignment Employee acknowledges that the services to be rendered
by him are unique and personal. Accordingly, Employee may not assign or delegate
any of his rights or obligations hereunder, except that he may assign certain
rights hereunder if agreed to in writing by the Board of Directors. This
Agreement is assignable by the Company only in accordance with Paragraph 21.

      26. Indulgences Neither the failure nor any delay on the part of either
party to exercise any right, remedy, power or privilege under this Agreement
shall operate as a waiver thereof, nor shall any single or partial exercise of
any right, remedy, power or privilege preclude any other or further exercise of
the same or of any other right, remedy, power or privilege, nor shall any waiver
of any right, remedy, power or privilege with respect to any occurrence be
construed as a waiver of such right, remedy, power or privilege with respect to
any other occurrence. No waiver shall be effective unless it is in writing and
is signed by the party asserted to have granted such waiver.

      27. Paragraph Headings The paragraph headings in this Agreement are for
convenience only; they form no part of this Agreement and shall not affect its
interpretation.

      28. Controlling Law This Agreement and all questions relating to its
validity, interpretation, performance and enforcement (including, without
limitation, provisions concerning limitations of actions), shall be governed by
and construed in accordance with the laws of the Commonwealth of Pennsylvania,
notwithstanding any conflict-of-laws doctrines of such state or any other
jurisdiction to the contrary, and without the aid of any canon, custom or rule
of law requiring construction against the draftsman.

                                     - 23 -
<PAGE>

      29. Execution in Counterparts This Agreement may be executed in any number
of counterparts, each of which shall be deemed to be an original against any
party whose signature appears thereon, and all of which shall together
constitute one and the same instrument. This Agreement shall become binding when
one or more counterparts hereof, individually or taken together, shall bear the
signatures of all of the parties hereto.

      IN WITNESS WHEREOF, the parties hereto, intending to be legally bound,
have duly executed and delivered, in Pennsylvania, this Agreement as of the date
first above written.

                                           THE BON-TON STORES, INC.

                                           By: /s/ M. Thomas Grumbacher
                                               -------------------------------
                                                   M. Thomas Grumbacher
                                                   Chairman and
                                                   Chief Executive Officer

                                           BYRON BERGREN

                                           /s/ Byron Bergren
                                           -----------------------------------

                                     - 24 -

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