Document:

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                                                                   Exhibit 10.35
                                                                   -------------

                         Amendment to Promissory Note

                  This Amendment to Promissory Note dated as of February 23,
2001 between McKesson HBOC, Inc., a Delaware corporation ("McKeeson"), and
Horizon Pharmacies, Inc. ("Borrower").

                                    Recitals

                  Borrower is the maker of that certain $7,000,000 Promissory
Note dated July 31, 1999 (as amended, the "Note") originally issued to Bank One,
NA (main office Chicago) (successor by merger to Bank One, Texas, N.A.)
("Bank"). McKesson is the assignee of Bank with regard to the Note, the related
Loan Agreement between Borrower and Bank dated July 31, 1999 and other related
documents and agreement (as amended, the "Bank Loan Documents").

                  NOW, THEREFORE, in consideration of the mutual covenants
contained herein, the parties agree as follows:

                  1. Acknowledgement of Assignment. Borrower agrees and
                     -----------------------------
acknowledges that McKesson is the assignee of all Bank's right, title and
interest under the Bank Loan Documents and that all the Bank Loan Documents are
in full force and effect and are valid, binding and enforceable against Borrower
according to their terms. In consideration of the amendment in Section 2 hereof,
Borrower waives any claims or defenses that it may have against McKesson or any
other person or entity under the Bank Loan Documents. Borrower agrees that the
outstanding principal amount under the Note is $6,999,694.45, that unpaid
interest in the amount of $29,165.39 has accrued through February 23,2001, and
that interest is accruing thereafter at the rate of interest stated in the Note.

                 2. Payment Terms. McKesson and Borrower agree that, in lieu of
                    -------------
any fixed matuzity date for the Note, the Note shall be payable upon demand.
Interest shall continue to be payable as set forth in the Note.

                 3. Certain Arrangements. Borrower agrees and acknowledges that
                    --------------------
(a) any commitments to make additional loans under the Bank Loan Documents have
been terminated; (b) Borrower will not assert against McKesson any claims that
Borrower may have against Bank, whether in connection with the Bank Loan
Documents or otherwise; (c) McKesson will at its option have the right, in
McKesson's sole discretion, to pursue remedies either (i) under the
Indemnification Agreement dated as of July 31, 1999 between McKesson and
Borrower (the "Indemnification Agreement") and the Security Documents (as
defined in the Credit Agreement referred to in the Indemnification Agreement) or
(ii) under the Bank Loan Documents, provided that McKesson shall not have the
right to any duplicate recovery of amounts owing by Borrower; (d) the Tri-Party
Agreement entered into among Borrower, McKesson and Bank as of July 31, 1999
shall be terminated; and (e) the execution and delivery by McKesson of this
Amendment shall not be deemed to create a course of dealing or otherwise
obligate McKesson to forebear or execute similar amendments under the same or
similar circumstances in the future.

<PAGE>

                  4. Expenses. Borrower will on demand pay to McKesson the
                     --------
amount of any and all reasonable costs and expenses, including but not limited
to the reasonable fees and disbursements of its counsel and of any experts or
agents, which McKesson may incur in connection with (i) the negotiation,
preparation and execution of this Amendment or other documents executed on or
about the date hereof with respect to the Bank Loan Documents, (ii) the exercise
or enforcement by McKesson of any of its rights or remedies hereunder, or (iii)
any failure by Borrower to perform any of its obligations under the Bank Loan
Documents or the Indemnification Agreement.

                  5. References. Each reference in the Note to "this Note",
                     ----------
"hereunder", "hereof", "herein" or words of like import referring to the Note,
and each reference in the Bank Loan Documents to the "Note", "thereunder",
"thereof" or words of like import referring to the Note shall mean and be a
reference to the Note, as amended hereby.

                  6. Governing Law. This Amendment shall be governed by and
                     -------------
construed under the laws of the State of Texas applicable to contracts made and
to be performed in the State of Texas. This Amendment shall be given a fair and
reasonable construction in accordance with the intention of the parties and
without regard to, or aid of, any provision of law which provides that an
agreement shall be construed against the drafter thereof.

                  7. Miscellaneous. Neither this Amendment nor any provision
                     -------------
hereof may be changed, waived, discharged or terminated orally, but only by an
instrument in writing signed by the party against which enforcement of the
change, waiver, discharge or termination is sought. This Amendment shall be
binding upon Borrower and its successors and assigns, and all persons claiming
under or through Borrower or any such successor or assign, and shall inure to
the benefit of and be enforceable by McKesson and its successors and assigns.

                  IN WITNESS WHEREOF, the parties have executed this Amendment
to Promissory Note as of the day and year first above written.

                                                  HORIZON PHARMACIES, INC.

                                                  By  /s/ Michael F. Loy
                                                    ----------------------

                                                  McKESSON HBOC, INC.

                                                  By /s/ Alan Pearce
                                                     ---------------------

                                       2
<PAGE>

                     ACKNOWLEDGMENT AND CONSENT OF GUARANTOR

            The undersigned in its capacity as a guarantor under that certain
Guaranty dated as of July 2, 1998 made in favor of McKesson hereby (i)
acknowledges and consents to the execution, delivery and performance by Borrower
of the foregoing Amendment to Promissory Note (the "Amendment"), (ii)
acknowledges that the undersigned's consent is being sought purely as a
protective measure and understands that the terms of the Credit Agreement dated
as of July 2, 1998 and related Loan Document may be amended without prior
notice to or consent of the undersigned and without discharging or otherwise
affecting the liability of the undersigned under the Guaranty, and (iii)
reaffirms that it will continue to be bound by all of the provisions of the
Guaranty and that such Guaranty will remain in full force and effect
notwithstanding the execution and delivery by Borrower of the Amendment referred
to above.

                                                   HORIZON HOME CARE, INC.
                                                   By:_________________________
                                                   Its:________________________

                                       3<PAGE>

                                                                   Exhibit 10.36

                              EMPLOYMENT AGREEMENT
                              --------------------

         THIS EMPLOYMENT AGREEMENT (this "Agreement") is made and entered into
                                          ---------
as of the 1st day of April, 2001, by and between HORIZON PHARMACIES, INC., a
Delaware corporation (the "Company") and PHILIP D. STONE, an individual (the
                           -------
"Executive").
 ---------

                                   WITNESSETH:

         WHEREAS, the Company is engaged in the business of owning and operating
a chain of retail pharmacy stores and related businesses;

         WHEREAS, the Company expects to invest and expend substantial time,
effort and money to develop methods, approaches, strategies and systems which,
in the Company's view, constitute trade secrets and confidential or proprietary
information;

         WHEREAS, the Company desires to obtain the Executive's services to
assist in operating its business on the terms and conditions herein provided;
and

         WHEREAS, the Executive is willing to commit himself to serve the
Company on the terms and conditions herein provided.

         NOW THEREFORE, in consideration of the premises and the respective
covenants and agreements of the parties contained herein and other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:

         1.       Employment. The Company shall employ the Executive and the
                  ----------
Executive shall serve the Company, on the terms and conditions set forth herein.

         2.       Term. The employment of the Executive by the Company shall
                  ----
commence as of April 1, 2001(the "Effective Date") and end on the first
                                  --------------
anniversary of such Effective Date; subject, however, to the termination
                                    -------  -------
provisions contained herein. The Executive's employment by the Company shall
continue after the expiration of the term of this Agreement and this Agreement
shall automatically be renewed for additional successive one (1) year terms
unless and until (i) terminated by either party prior at the end of the initial
term or any renewal term by giving to the other party not less than ninety (90)
days prior written notice of such termination; or (ii) earlier terminated by
either party as otherwise provided in Section 6 or 7 hereof.

         3.       Position and Duties.
                  -------------------

                  (a)   Position. The Executive shall be employed by the Company
                        --------
         as Chief Operating Officer, with such title as from time to time
         designated by the Board of Directors of the Company (the "Board") and
                                                                   -----
         shall report to the Board and such other persons as the Board may from
         time to time designate. In addition, the Executive shall, if
<PAGE>

          requested and duly appointed or elected pursuant to the Company's
          Certificate of Incorporation and Bylaws, serve as a member of the
          Board. The Executive shall have such duties and powers as may be
          delegated to him from time to time by the Board.

               (b)  Duties. The Executive agrees that he will:
                    ------

                    (i)   Faithfully and diligently serve the Company to the
               best of his ability in an executive capacity.

                    (ii)  Hold such offices and positions with the Company as
               the stockholders or the Board may determine from time to time.

                    (iii) Perform such executive duties as may be committed to
               him by the Board.

                    (iv)  Devote his full working time and attention to the
               business of the Company.

                    (v)   Stand for election as a member of the Board and serve
               as a director if and when so elected.

                    (vi)  Not engage in or associate himself with any other
               business or enterprise, either directly or indirectly, as an
               employee, contractor or consultant during the term of his
               employment under this Agreement. This provision is not intended
               to prevent the Executive from holding positions in non-profit or
               charitable organizations, or owning stock or other equity
               positions in other businesses, as long as the Executive does not
               take an active role in the management thereof.

                    (vii) Be available to travel both domestically and
               internationally on Company business as the needs of the Company
               may reasonably require.

          4.   Place of Performance. The Executive shall be based at the
               --------------------
principal executive offices of the Company which shall initially be located in
Denison, Texas, but which thereafter may be established at any other location as
determined by the Board.

          5.   Compensation and Related Matters.
               --------------------------------

               (a)  Salary. During the term of this Agreement, the Company shall
                    ------
          pay to the Executive as base compensation for his services hereunder
          an annual salary of One Hundred Eighty-Five Thousand Dollars
          ($185,000) (the ("Annual Salary") payable in accordance with the
                            -------------
          Company's payroll policy as then in effect. The Board, upon the
          recommendation of any committee appointed by the Board to oversee
          compensation issues (the "Compensation Committee") or in its
                                    ----------------------
          discretion, may at any time increase the amount of the Executive's
          Annual Salary as it may deem appropriate.

                                       2
<PAGE>

                  (b)      Incentive Bonus. In addition to the compensation
                           ---------------
         provided for under Section 5(a) above, the Executive will be eligible
         to be paid an annual incentive bonus up to thirty-three and one-third
         percent (33 1/3%) of the Executive's Annual Salary as provided in
         Section 5(a) above (the "Incentive Bonus"). Any such Incentive Bonus
                                  ---------------
         shall be determined by the Board and shall be based on the Executive's
         performance and contribution to the Company.

                           (i)  Criteria. Prior to the end of each fiscal year,
                                --------
                  the Board's Compensation Committee (or, if there is no
                  Compensation Committee, the Board) shall approve the criteria
                  (the "Criteria") upon which the Executive's Incentive Bonus
                        --------
                  for the following fiscal year will be based, except that the
                  Criteria for fiscal year 2001 shall have been approved as of
                  the date this Agreement is executed. The Criteria for each
                  fiscal year in which this Agreement is in effect shall be
                  attached hereto as Exhibit A and thereby considered a part of
                                     ---------
                  this Agreement.

                           (ii) Time of Payment. The Incentive Bonus, to the
                                ---------------
                  extent earned (if any) in the Board's sole discretion, shall
                  be paid to the Executive the earned bonus with up to one-half
                  after the first 6 months and the other one-half paid at
                  year-end. The Executive understands and agrees that he is not
                  guaranteed an Incentive Bonus and that the amount of the
                  Incentive Bonus, if any, will be determined by the Board upon
                  the recommendation of the Compensation Committee.

                  (c) Expense Reimbursement. The Executive shall be entitled to
                      ---------------------
         receive reimbursement for all reasonable travel and business expenses
         in connection with services performed by the Executive hereunder, in
         accordance with the established policies of the Company with respect to
         expense reimbursement. As a condition of receiving such reimbursement,
         the Executive shall account for such expenses to the extent necessary
         to substantiate the Company's Federal income tax deductions for such
         expenses under the Internal Revenue Code of 1986, as amended from time
         to time and the regulations thereunder (the "Code").
                                                      ----

                  (d)      Miscellaneous Compensation.
                           --------------------------

                           (i) Welfare Plans. The Executive shall be entitled to
                               -------------
                  receive benefits under the Company's benefit plans as now in
                  effect or hereafter implemented, including, without
                  limitation, medical, prescription, dental, disability,
                  employee life, group life, accidental death and travel
                  accident insurance plans and programs and similar benefits
                  (collectively, the "Welfare Plans"), on terms which are no
                                      -------------
                  less favorable than the benefits made available to other
                  executive officers of the Company.

                           (ii) Stock Options. The Executive may participate in
                                -------------
                  stock options (either incentive or non-statutory stock
                  options) or ownership plans as may be established from time to
                  time by the stockholders or the Board, to the extent, if any,
                  determined by the Board or other administrative authority
                  appointed by the Board to administer such stock option or
                  ownership plan. Immediately after the

                                       3
<PAGE>

               Company's 2001 Stock Option Plan or any similar stock option plan
               is approved by the stockholders of the Company and becomes
               effective, the Company shall grant to the Executive incentive
               stock options to acquire an aggregate of Fifty Thousand (50,000)
               shares of the Company's common stock, $.01 par value per share
               (the "Common Stock"). The exercise price for such options shall
                     ------------
               be the fair market value of the Common Stock as of the grant
               date. The options to acquire Twenty-Five Thousand (25,000) shares
               of Common Stock shall vest on each of September 1, 2001 and March
               31, 2002. Notwithstanding anything contained herein to the
               contrary, the options to be granted to the Executive shall be
               subject to the terms and conditions of the applicable stock
               option plan.

                    (iii) Vacation. The Executive shall be entitled during each
                          --------
               of the Company's fiscal years, at a time mutually convenient to
               the Company and the Executive, in accordance with the Company's
               vacation policy, as may be in effect from time to time, to a
               vacation six weeks (which may be taken consecutively or
               non-consecutively) during which time the Executive's salary will
               be paid in full. The number of days of vacation will be prorated
               for any portion of a fiscal year less than twelve (12) months
               during which the Executive is employed hereunder. The Executive
               shall not be entitled to receive pay in lieu of accrued but
               unused vacation in any calendar year.

                    (iv) Perquisites. During the term of the Executive's
                         -----------
               employment, the Executive shall be entitled to receive, in
               addition to the benefits named above, such perquisites and fringe
               benefits appertaining to his position in accordance with any
               policies, practices and procedures establishing by the Board, as
               may be in effect from time to time.

          6.   Termination by the Company. The Executive's employment hereunder
               --------------------------
may be terminated by the Company without any breach of this Agreement upon any
of the following events:

               (a)  Death. The Executive's employment hereunder shall terminate
                    -----
          upon his death.

               (b)  Disability. If as a result of the Executive's incapacity due
                    ----------
          to substantial physical or mental disability which renders or will
          render the day-to-day performance of his duties hereunder impossible
          or hazardous to perform ("Disability"), the Executive shall have been
                                    ----------
          absent from the performance of his duties hereunder for (i) a
          consecutive period of thirty (30) days, or (ii) an aggregate of sixty
          (60) days during any consecutive one hundred eighty (180) day period,
          the Company may terminate the Executive's employment. The Company
          shall give the Executive fourteen (14) days' written notice of its
          intent to terminate the Executive's employment due to the Executive's
          Disability; provided, however, that in no event shall such termination
                      --------  -------
          be effective prior to the end of the running of the thirty (30) day or
          one hundred eighty (180) day period, as the case may be. In the event
          that the Executive returns to the performance of his duties under this
          Agreement on a full time basis before the expiration of the Company's
          fourteen (14)

                                       4
<PAGE>

          days' written notice of termination, then such Executive shall not be
          terminated but shall retain his employment with the Company.

               (c)  For Cause. The Company may immediately terminate the
                    ---------
          Executive's employment under this Agreement at any time for cause by
          giving the Executive written notice of such termination. For purposes
          of this Agreement, "for cause" shall include, without limitation, any
                              ---------
          of the following:

                    (i)   an intentional act of fraud, embezzlement,
               misappropriation or theft in connection with the Executive's
               duties or in the course of the Executive's employment with the
               Company;

                    (ii)  intentional or willful damage to any of the property
               or assets of the Company or its subsidiaries;

                    (iii) the willful or negligent failure of the Executive to
               substantially perform his duties hereunder or to comply with the
               policies, standards or regulations of the Company as in effect
               from time to time, after written demand for substantial
               performance is delivered to the Executive by the Company, which
               failure has not been cured within thirty (30) days after the
               Executive's receipt of such written notice;

                    (iv)  the willful violation by the Executive of any of the
               covenants, agreements representations or warranties contained
               herein;

                    (v)   the conviction of the Executive for any felony or
               misdemeanor involving dishonesty, deceit, fraud or moral
               turpitude; or

                    (vi)  any other willful and intentional act by the Executive
               which is materially injurious to the Company, as determined in
               the good faith judgment of the Board.

               (d)  Without Cause. In addition to any other rights the Company
                    -------------
          has to terminate the Executive's employment under this Agreement, the
          Company may terminate the Executive without cause upon thirty (30)
          days' prior written notice to the Executive of such termination;
          provided, however, the Executive shall be entitled to receive the
          --------  -------
          severance payments and benefits set forth in Section 10(b) hereof. For
          purposes of this Agreement, the term "without cause" shall mean
                                                -------------
          termination by the Company on any grounds other (i) than those set
          forth in Sections 6(a), (b) or (c) hereof; or (ii) the expiration of
          this Agreement at the end of the initial term or any renewal term as
          provided in Section 2 hereof.

                                       5
<PAGE>

     7.   Termination by the Executive.
          ----------------------------

          (a)  Termination Right. The Executive may terminate his employment
               -----------------
     hereunder by written notice to the Company of such termination upon the
     occurrence of any of the following:

               (i)  Disability. The Executive's Disability which continues for a
                    ----------
          consecutive period of at least thirty (30) days; as determined by the
          mutual agreement of a physician selected by the Company or its
          insurers and a physician selected by the Executive; provided, however,
                                                              --------  -------
          if the opinions of the Company's physician and the Executive's
          physician conflict, the Company's physician and the Executive's
          physician shall together agree upon a third physician, whose opinion
          shall be binding; or

               (ii) Company Breach. The Company's failure to comply with any
                    --------------
          material provision of this Agreement, which failure has not been cured
          within thirty (30) days after written notice of such noncompliance has
          been given by the Executive to the Company, provided, however, that if
                                                      --------  -------
          the Company has commenced with cure and is continuing to effect such
          cure in good faith, the Company shall have such time as is necessary
          to complete such cure and during such period, the Executive may not
          terminate this Agreement on the grounds of such breach by the Company.

          (b)  Voluntary Resignation. The Executive may terminate his employment
               ---------------------
     with the Company by giving written notice to the Board of his voluntary
     resignation. The Executive's resignation notice shall specify the Date of
     Termination, which shall not be less than thirty (30) days from the giving
     of such resignation notice unless otherwise agreed to by the Board. Such
     resignation shall not preclude the Company from terminating the Executive's
     employment in accordance with the terms of this Agreement prior to the Date
     of Termination noted in the Executive's notice of resignation.

     8.   Termination Following a Change in Control. In the event of the
          -----------------------------------------
occurrence of a Change in Control (as defined below) in connection with which
the Executive is terminated by the Company or any successor thereof (other than
for cause), on or before the expiration of the unexpired term of this Agreement,
the Company or any successor thereof shall pay to the Executive, in immediately
available funds within five (5) business days after the Date of Termination, an
amount equal to two (2) times the Executive's Annual Salary as of the date of
the first event constituting a Change in Control, plus an amount equal to any
Incentive Bonus paid to him in the immediately preceding fiscal year of the
Company. For purposes of this Agreement, a "Change in Control" shall mean (i) a
                                            -----------------
sale, transfer or other conveyance of all or substantially all of the assets of
the Company on a consolidated basis; (ii) the acquisition of beneficial
ownership (as such term is defined in Rule 13d-3 promulgated under the
Securities Exchange Act of 1934, as amended (the "Exchange Act")) by any
"person" (as such term is used in Sections 13(d) and 14(d) of the Exchange Act),
directly or indirectly, of securities representing fifty percent (50%) or more
of the total number of votes that may be cast for the election of directors of
the Company; (iii) the failure at any annual or special meeting of the Company's

                                       6
<PAGE>

stockholders following an "election contest" subject to Rule 14a-11 promulgated
under the Exchange Act, of any of the persons nominated by the Company in the
proxy material mailed to stockholders by the management of the Company to win
election to seats on the Board, excluding only those who die, retire
voluntarily, are disabled or are otherwise disqualified in the interim between
their nomination and the date of the meeting; (iv) the Company merges or
consolidates with another corporation or entity in which the Company is not the
surviving entity; or (v) the Company becomes a majority-owned subsidiary of
another corporation or entity.

         In addition, for a period of one year after the Date of Termination
following a Change in Control, the Company shall provide the Executive with
benefits under the Company's Welfare Plans substantially similar to those which
the Executive was receiving or was entitled to receive immediately prior to such
termination, and to the extent that any such benefit cannot be paid or provided
under any Welfare Plan of the Company, then the Company will itself pay or
provide for such benefits to the Executive and, if applicable, to the
Executive's dependents and beneficiaries.

          9.   Date of Termination. For purposes of this Agreement, "Date of
               -------------------                                   -------
Termination" shall mean any of the following events:
-----------

               (a)  The date of the Executive's death, if the Executive's
          employment is terminated by his death;

               (b)  If the Executive's employment is terminated by the Company
          due to his Disability, thirty (30) days after notice of termination is
          given to the Executive pursuant to Section 6(b) hereof, provided that
          the Executive shall not have returned to the performance of his duties
          on a full time basis during such thirty (30) day period;

               (c)  The date on which the term of the Executive's employment
          with the Company ends pursuant to Section 2 hereof; or

               (d)  If the Executive's employment is terminated by the Executive
          or the Company for any other reason, the date specified in the notice
          of termination.

          10.  Compensation Upon Termination.
               -----------------------------

               (a)  Death; Disability. If the Executive's employment is
                    -----------------
          terminated due to the Executive's death or Disability, the Company
          shall have no further payment obligations to the Executive or his
          legal representatives other than for payment of (i) that portion of
          the Executive's Annual Salary accrued through the Date of Termination
          to the extent not therefore paid, and (ii) any portion of the
          Incentive Bonus for such fiscal year which is determined by the Board
          to have been earned by the Executive prior to the Date of Termination.
          Such payment obligations shall be paid by the Company in a lump sum in
          cash within thirty (30) days of the Date of Termination. During any
          period that the Executive fails to perform his duties hereunder as a
          result of his Disability (the "Disability Period"), the Executive
                                         -----------------
          shall continue to receive his Annual Salary at the rate then in effect
          during such Disability Period until his employment is terminated
          pursuant

                                       7
<PAGE>

          to the terms of this Agreement. Salary payments made to the Executive
          during the Disability Period shall be reduced by any amounts paid or
          payable to the Executive under the Company's disability plan during
          such Disability Period.

                  (b) Without Cause; Company Breach. If the Executive's
                      -----------------------------
         employment is terminated by the Company without cause, or the Executive
         terminates his employment with the Company pursuant to Section 7(a)(ii)
         due to the Company's uncured breach of this Agreement, then in lieu of
         payment of the Executive's salary for the unexpired portion of the term
         of this Agreement, the Company shall pay the Executive (i) in a lump
         sum in cash within thirty (30) days after the Date of Termination (or
         such earlier date as required by applicable law) that portion of the
         Employee's Annual Salary accrued through the Date of Termination to the
         extent not theretofore paid, (ii) in a lump sum in cash within thirty
         (30) days after the Date of Termination (or such earlier date as
         required by applicable law), the Incentive Bonus prorated from the
         first day of the Company's then current fiscal year to the Date of
         Termination ("Prorated Incentive Bonus"), and (iii) severance payments
         ("Severance Payments") in accordance with the customary payroll
           ------------------
         practices of the Company, in an amount equal to that portion of his
         Annual Salary in effect on the Date of Termination for the lesser of
         (1) twelve (12) months, or (2) the number of full or partial calendar
         months remaining after termination and before the expiration of the
         term hereof (Severance Period"), provided that such Severance Payments
                      ----------------
         shall be paid to the Employee only upon his execution of a release and
         waiver of claims in the form required by the Company.

                  (c) Resignation; For Cause. If the Executive shall resign his
                      ----------------------
         employment or Executive's employment is terminated by the Company for
         cause, the Company shall pay the Executive his Annual Salary through
         the Date of Termination at the rate then in effect, and the Prorated
         Incentive Bonus. In such event, the Company shall have no further
         obligations to the Executive under this Agreement for any claim of
         compensation or damages arising from the termination of the Executive's
         employment.

                  (d) Limitation on Payments. Notwithstanding anything in this
                      ----------------------
         Agreement or elsewhere to the contrary, in the event that any payment
         or benefit received by the Executive pursuant to this Agreement (the
         "Compensation") would (i) constitute a "parachute payment" within the
          ------------
         meaning of Section 280G of the Code and (ii) but for this Section
         10(d), be subject to the excise tax imposed by Section 4999 of the Code
         (the "Excise Tax"), then such Compensation shall be reduced to the
               ----------
         largest amount which would result in no portion of the Compensation
         being subject to the Excise Tax (the "Acceptable Amount"). The Company
                                               -----------------
         further agrees that, following the written request of the Executive,
         the Company shall request stockholder approval with respect to Code
         Section 280G(b)(5). In no event shall the Company be liable to the
         Executive for any failure to obtain the requisite stockholder approval
         or for any Compensation made to the Executive in excess of the
         Acceptable Amount. Any disputes with respect to the determination of
         the Acceptable Amount shall be resolved by an accounting or law firm
         that is mutually acceptable to the Company and the Executive.

                                       8
<PAGE>

                  (e) Release. No amount shall be payable pursuant to Section
                      -------
         10(b) or (c) hereof unless (i) the Executive shall have executed and
         delivered to the Company, promptly after the Date of Termination, the
         General Release substantially in form and substance as set forth in
         Exhibit B hereto; and (ii) the Executive shall not have breached any
         ---------
         provision of Sections 13, 14, 15 and 16 of this Agreement.

         11.  Representations and Warranties of the Executive. The Executive
              -----------------------------------------------
represents and warrants to the Company that:

                  (a) The Executive is not a party to any contract, restriction
         or other obligation, the compliance of which is inconsistent with the
         execution of this Agreement, the performance of the Executive's
         obligations hereunder, or the rights of the Company hereunder; and

                  (b) The Executive is under no physical or mental disability
         that would hinder the full performance of his duties and obligations
         under this Agreement.

         12. Return of Company Property. Upon termination of this Agreement by
             --------------------------
either party, all Company documents, manuals, price lists, customer account
lists, mailing lists, keys, credit cards and all other documents, materials and
property of the Company in the Executive's possession or control, including all
copies thereof, shall be immediately returned to the Company by the Executive.
Compensation may be withheld by the Company pending receipt of a written sworn
statement by the Executive that all such documents, materials and property has
been returned.

         13. Confidential and Proprietary Information. The Company will
             ----------------------------------------
immediately provide the Executive with Proprietary Information (as hereinafter
defined) and will provide the Executive with such specialized training as the
Company, in its sole discretion, deems necessary or beneficial to the
Executive's performance of his job duties hereunder. In exchange, the Executive
agrees to keep all Proprietary Information in confidence and trust, and will not
use or disclose any such Proprietary Information without the Company's prior
written consent, except as may be necessary for the Executive's performance of
his job duties hereunder. For purposes of this Agreement, "Proprietary
Information" shall mean any confidential or secret information relating to the
business of the Company or to the business of any parent, subsidiary, affiliate,
customer or supplier of the Company or third party. Such Proprietary Information
includes, but is not limited to, inventions, ideas, data, know-how,
developments, designs, techniques, marketing plans, product plans, business
strategies, financial information, forecasts, personnel information and customer
information.

         14. Restrictive Covenants. Ancillary to the agreement between the
             ---------------------
Company and the Executive whereby the Company promises to provide the Executive
with Proprietary Information and specialized training and the Executive promises
to keep all Proprietary Information in confidence and trust, the Executive
agrees to the restrictions set out in this Section 14. The Executive recognizes
and agrees that these restrictions are necessary to protect the Company's
customer base, good will, Proprietary Information and other business interests.

                                       9
<PAGE>

                  (a) Non-Competition Covenant. The Executive hereby covenants
                      ------------------------
         and agrees that he shall not, without the prior written consent of the
         Company, during the term of this Agreement, and for a period of one (1)
         year immediately following the Date of Termination, directly or
         indirectly, on behalf of any other person, firm, partnership, company
         or entity, render any services similar to the services he rendered for
         the Company under this Agreement to any Competitor of the Company
         within the geographic area in which the Executive had responsibilities
         under this Agreement. For the purpose of this Agreement, "Competitor"
         means any person or business entity engaged in the business of owning
         or operating retail pharmacy stores or selling products or services
         similar to those provided by the Company. The Executive further
         covenants and agrees that, without the prior written consent of the
         Company, the Executive shall not, during his employment with the
         Company and for a one-year period following the termination of his
         employment with the Company for any reason, directly or indirectly,
         either as an individual or in any other capacity, (i) invest in any
         Competitor of the Company (other than investments in publicly-owned
         companies which constitute not more than one percent (1%) of the voting
         securities of such Competitor), or (ii) take any action inconsistent
         with his fiduciary relationship to the Company.

                  (b) Covenant Not to Solicit Customers. The Executive hereby
                      ---------------------------------
         expressly covenants and agrees that he shall not, without the prior
         written consent of the Company, during the term of this Agreement, and
         for a period of one (1) year immediately following the Date of
         Termination, directly or indirectly for himself, or on behalf of any
         other person, firm, partnership, company or other entity, (i) contact
         any then current or former customers of the Company for any purpose
         whatsoever, including, without limitation, the sale or marketing of
         products or services similar to those provided by the Company; (ii)
         solicit, divert or take away any such customers of Company; (iii)
         contact, or assist any person in contacting, any employee or former
         employee of the Company for the purpose of offering any such employee
         employment; and (iv) solicit to hire or hire any employee or former
         employee of the Company.

                  (c) Covenant Not to Solicit Employees. The Executive agrees
                      ---------------------------------
         that during his employment with the Company and for a period of one (1)
         year following the termination of his employment with the Company, he
         will not directly or indirectly, on his own behalf or on behalf of any
         other person or business entity, (i) hire any person employed by the
         Company at the time of his termination, (ii) attempt to influence any
         person employed by the Company at the time of his termination to leave
         his or her employment, or (iii) use or disclose to any person or
         business entity any personal information regarding any of the Company's
         employees.

                  (d) Covenant Not to Access. The Executive agrees that
                      ----------------------
         following the termination of his employment with the Company, he will
         not access the Company's computer systems, download files or any
         information from the Company's computer systems or in any way
         interfere, disrupt, modify or change any computer program used by the
         Company or any data stored on the Company's computer systems.

                                       10
<PAGE>

                  (e) Reasonable Restrictions. The Executive acknowledges and
                      -----------------------
         agrees that the restrictions set forth in this Section 14 are
         reasonable as to time, geographic area and scope of activity and do not
         impose a greater restraint than is necessary to protect the goodwill
         and other business interests of the Company, and the Executive agrees
         that the Company is justified in believing the foregoing. If any
         provision of this Section 14 should be found by any court of competent
         jurisdiction or arbitrator appointed pursuant to Section 25 hereof to
         be unenforceable by reason of its being too broad as to the period of
         time, territory, and/or scope, such provision shall nevertheless remain
         valid and fully effective, but shall be considered to be amended so
         that the period of time, territory, and/or scope set forth herein shall
         be changed to be the maximum period of time, the largest territory,
         and/or the broadest scope, as the case may be, which would be found
         enforceable by such court or arbitrator.

         15. Covenant Not to Disclose Trade Secrets or Other Confidential
             ------------------------------------------------------------
Information. The Executive hereby assigns to Company all of his right, title,
-----------
and interest to, and shall promptly disclose to Company, all ideas, inventions,
discoveries, or improvements (whether or not patentable) conceived or developed
solely or jointly by the Executive during his employment with Company that (i)
relate to the business of the Company or the actual or anticipated research or
development of Company; (ii) result from any work performed by the Executive for
the Company; or (iii) for which equipment, supplies, facilities, or confidential
information of the Company were used. During the term of this Agreement and
perpetually thereafter, irrespective of the reason for termination of this
Agreement or by whom, the Executive shall keep secret and shall not use all
trade secrets and all other confidential and/or proprietary information,
"know-how", consultant contracts, customer lists, subscription lists, sales
data, supply sources, source codes, pricing policies, operational methods,
marketing plans and strategies, product development techniques or plans,
business acquisition plans, new personnel acquisition plans, formulae, methods
of manufacture, technical processes, designs and design projects, inventions and
discoveries (whether or not domestic or foreign patent application have been
filed therefor), research projects, experiments, investigations, searches and
all other confidential documents, whether or not so labeled, and the business
affairs of the Company learned by the Executive at any time during his
employment with the Company (collectively, the "Confidential Information"), and
                                                ------------------------
the Executive shall not disclose such Confidential Information to anyone outside
of the Company, either during or after his employment by the Company, except as
required by law or in the course of performing his duties hereunder.

         All memoranda, notes, lists, records and any other documents (and all
copies thereof), whether or not labeled "confidential", made or compiled by or
made available to the Executive during his employment with the Company
concerning the Company, or any of its affiliates shall be the Company's property
and shall be delivered to the Company promptly upon the termination of the
Executive's employment with the Company, or at any time upon request of the
Company.

         16. Covenant of Non-disparagement. The Executive agrees and promises
             -----------------------------
that, during the term of and after the termination of this Agreement (regardless
of whether the Executive is terminated with or without cause, voluntarily
resigns or otherwise), not to make any libelous, disparaging or otherwise
injurious

                                       11
<PAGE>

statements about or concerning the Company, its officers, employees or
representatives. Such prohibited statements include any statement that is
injurious to the business or business reputation of the Company, its affiliates
or their employees or representatives.

         17. Binding Agreement. This Agreement and all rights of the Executive
             -----------------
hereunder 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. In addition, this Agreement and the
obligations and rights of the Company hereunder shall be binding on any person,
firm, or corporation which is a successor in interest to the Company.

         18. Notice. All notices, requests and other communications under this
             ------
Agreement shall be in writing (including a writing delivered by facsimile
transmission) and shall be deemed to have been duly given if delivered by hand,
or sent by either certified or registered mail, return receipt requested,
postage prepaid, by overnight courier guaranteeing next day delivery, or by
facsimile, addressed as follows:

         If to the Executive:

         Philip D. Stone

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

         ----------------------
         Facsimile No.:  (___) ___-____

or at such other address or facsimile number as the Executive may have advised
the Company in writing; and

         If to the Company:

         Horizon Pharmacies, Inc.
         531 W. Main Street
         Denison, Texas 75020
         Attn:  Ricky D. McCord,
         President and Chief Executive Officer
         Facsimile No.: (903) 465-6274

or at such other address or facsimile number as the Company may have advised the
Executive in writing.

         All such notices, requests and other communications shall be deemed to
have been received (i) on the date of delivery thereof, if delivered by hand;
(ii) on the third day after the mailing thereof, if mailed; (iii) on the next
day after the sending thereof, if by overnight courier; and (iv) when receipt is
acknowledged, if faxed.

         19. Waivers and Amendments. No amendment or waiver of any provision of
             ----------------------
this Agreement, nor consent to any departure therefrom, shall be effective
unless the same shall be in writing and signed by each party hereto, and then
such waiver or consent shall be effective only in the specific instance and for
the specific purpose for which given. No failure on the part of a

                                       12
<PAGE>

party hereto to exercise, and no delay in exercising any right hereunder, shall
operate as a waiver thereof, nor shall any single or partial exercise of any
right hereunder preclude any other or further exercise thereof or the exercise
of any other right.

         20.  Captions. The captions, headings and arrangements used in this
              --------
Agreement are for convenience only and do not in any way affect, limit or
amplify the provisions hereof.

         21. Invalid Provisions. If any provision of this Agreement is held to
             ------------------
be illegal, invalid or unenforceable, such provision shall be fully severable
and this Agreement shall be construed and enforced as if such illegal, invalid
or unenforceable provision had never comprised a part hereof, and the remaining
provisions of this Agreement shall remain in full force and effect and shall not
be affected by such illegal, invalid or unenforceable provision or its severance
from this Agreement.

         22. Assignability. This Agreement may not be transferred, assigned,
             -------------
pledged or hypothecated by either party hereto without the prior written consent
of the other party to this Agreement; provided, however, the Company may assign
                                      --------  -------
this Agreement to any person or entity acquiring all or substantially all of the
business or assets of the Company pursuant to a purchase of assets, merger,
consolidation, incorporation, reorganization or liquidation of the Company, or
otherwise.

         23. Attorneys' Fees. In the event that any action or proceeding is
             ---------------
commenced by any party hereto for the purpose of enforcing any provision of this
Agreement, the party to such action or proceeding may receive as part of any
award, judgment, decision or other resolution of such action or proceeding, its
costs and attorneys' fees as determined by the person or body making such award,
judgment, decision or resolution. Should any claim hereunder be settled prior to
the commencement of any such action or proceeding, the parties may mutually
agree to include as part of the damages alleged to have been incurred reasonable
costs of attorneys or other professionals in investigation or counseling with
respect to such claim.

         24.  Governing Law. This Agreement, its validity, construction and
              -------------
interpretation and the rights and remedies of the parties hereto shall be
governed by the substantive laws of the State of Texas, without giving effect to
its principles of conflict laws.

         25. Arbitration. Subject to Section 26 hereof, to the extent that the
             -----------
parties hereto are unable to resolve their disputes or controversies arising out
of or relating to this Agreement or the performance, breach, validity,
interpretation or enforcement of this Agreement, or the Executive's employment
and/or termination, including, without limitation, any and all claims or causes
of action which may arise or be asserted under federal, state or local
regulatory, statutory or common law, and including, without limitation, claims
under Title VII of the Civil Rights Act of 1964, the Age Discrimination in
Employment Act, the Americans with Disabilities Act, the Civil Rights Act of
1991, the Family Medical Leave Act, the Texas Commission on Human Rights Act,
wrongful discharge, and tort (such as intentional infliction of emotional
distress, libel, slander, invasion of privacy or personal injury), all such
disputes and controversies will be resolved by binding arbitration in accordance
with the United States Arbitration Act and the Commercial Arbitration Rules of
the American Arbitration Association (the "AAA"), and
                                           ---

                                       13
<PAGE>

judgment upon the award rendered by the arbitrator may be entered in any court
having jurisdiction thereof. A party hereto may initiate arbitration by sending
written notice of its intention to arbitrate to the other party and to the AAA
office located in Dallas, Texas. Such written notice will contain a description
of the dispute and the remedy sought. The arbitration will be conducted at the
offices of the AAA in Dallas, Texas before an independent and impartial
arbitrator acceptable to the parties hereto. In the event that the parties have
not mutually agreed on an acceptable arbitrator within thirty (30) days after
the demand for arbitration is filed, the arbitrator shall be appointed in the
manner provided by Rule 13 of the Commercial Arbitration Rules of the AAA. The
decision of the arbitrator will be final and binding on the parties hereto and
their successors and assignees. The parties hereto intend that this agreement to
arbitrate be irrevocable. In providing a remedy under this Section 25, the
parties agree that the arbitrator shall not award punitive damages against any
party, and the parties hereby mutually waive any claim for punitive damages
which may be awarded in connection with any dispute subject to arbitration under
this Agreement.

         26. Injunctive Relief. Each party (i) acknowledges that a remedy at law
             -----------------
for any breach or attempted breach of this Agreement will be inadequate; (ii)
agrees that each party will be entitled to specific performance and injunctive
and other equitable relief in case of any breach or attempted breach of this
Agreement; and (iii) agrees not to use as a defense that any party has an
adequate remedy at law. This Agreement is enforceable in a court of equity by a
decree of specific performance, and appropriate injunctive relief may be applied
for and granted in connection herewith. Such remedy is not exclusive and is in
addition to any other remedies now or hereafter existing at law or in equity, by
statute or otherwise. No delay or omission in the exercise of any right or
remedy set forth in this Agreement will operate as a waiver thereof, and no
partial exercise of such right or remedy will preclude the further exercise
thereof, or the exercise of any other right or remedy.

          27.  Entirety. This Agreement contains the entire agreement among the
               --------
parties with respect to the matters addressed herein and supersedes all prior
representations, inducements, promises or agreements, oral or otherwise, which
are not embodied herein.

          28.  Counterparts. This Agreement may be executed in multiple
               ------------
counterparts, each of which shall be deemed an original for all purposes and all
of which shall be deemed collectively to be one agreement.

                                       14
<PAGE>

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

COMPANY:                                HORIZON PHARMACIES, INC.

                                        By: /s/ Ricky D. McCord
                                           ---------------------------------
                                           Printed Name:   Ricky D. McCord
                                           Title:  President and Chief Executive
                                                   Officer

EXECUTIVE:
                                         /s/ Philip D. Stone
                                        ----------------------------------
                                        Philip D. Stone

WITNESS:

 /s/ Leslie Reins
--------------------------------
Printed Name: Leslie Reins
             -------------------

                                       15
<PAGE>

                                    EXHIBIT A

                         EXECUTIVE PERFORMANCE CRITERIA
                         ------------------------------

                                       16
<PAGE>

                                    EXHIBIT B

                             FORM OF GENERAL RELEASE
                             -----------------------

                                       17

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