AMERICAN PHYSICIANS SERVICE GROUP INC
10-K, 1998-03-31
MANAGEMENT SERVICES
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON D.C. 20549

                                    FORM 10-K
            MARK ONE:
            [X]  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF
                 THE SECURITIES EXCHANGE ACT OF 1934 [FEE REQUIRED]
                    FOR THE FISCAL YEAR ENDED DECEMBER 31, 1997

                                       OR
            [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF
                THE SECURITIES EXCHANGE ACT OF 1934 [NO FEE REQUIRED]
                         FOR THE TRANSITION PERIOD FROM
                                       TO
                    -------------------- --------------------

                         COMMISSION FILE NUMBER 0-11453

                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
             (Exact name of registrant as specified in its charter)

                 TEXAS                                 75-1458323
     (State or other jurisdiction of                (I.R.S. Employer
      incorporation or organization)                identification No.)

               1301 CAPITAL OF TEXAS  HIGHWAY  AUSTIN, TEXAS 78746
          (Address of principal executive offices)       (Zip Code)

                                 (512) 328-0888
              (Registrant's telephone number, including area code)
          SECURITIES REGISTERED PURSUANT TO SECTION 12(b)OF THE ACT:

                            Name of Each Exchange on
            Title of Each Class                       Which Registered
            -------------------                   ------------------------
                   None                                      None

          SECURITIES REGISTERED PURSUANT TO SECTION 12(g)OF THE ACT:
                          Common Stock, $.10 Par Value
                                (Title of Class)
Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by  Section  13 or 15 (d ) of the  Securities  Exchange  Act of 1934
during the preceding 12 months (or for such shorter  period that the  registrant
was  required  to file such  reports),  and (2) has been  subject to such filing
requirements for the past 90 days. YES [X] NO [ ]

Indicate by check mark if disclosure of delinquent  filers  pursuant to Item 405
of Regulation  S-K is not contained  herein,  and will not be contained,  to the
best  of  the  registrant's   knowledge,  in  definitive  proxy  or  information
statements  incorporated  by  reference  in  Part  III of the  Form  10-K or any
amendment to this Form 10-K _____

State the aggregate market value of the voting stock held by  non-affiliates  of
the registrant. The aggregate market value shall be computed by reference to the
price at which the stock was sold or the  average  bid and asked  prices of such
stock, as of a specified date within 60 days prior to the date of filing.
          Aggregate Market Value at March 18, 1998: $30,121,524

Indicate the number of shares  outstanding of each of the registrant's  class of
common stock, as of the latest practicable date.

                                               NUMBER OF SHARES
                                                OUTSTANDING AT
     TITLE OF EACH CLASS                        MARCH 18, 1998
     --------------------                      ----------------
Common Stock, $.10 par value                      4,154,693
                       DOCUMENTS INCORPORATED BY REFERENCE
Selected  portions of the  Registrant's  definitive  proxy material for the 1997
annual meeting of  shareholders  are  incorporated by reference into Part III of
the Form 10-K. In addition,  Item14(a) of Prime Medical Services,  Inc.'s Annual
Report on Form 10-K for the year ended  December  31,  1997 is  incorporated  by
reference.
============================================================================
<PAGE>
                     AMERICAN PHYSICIANS SERVICE GROUP, INC.

                           ANNUAL REPORT ON FORM 10-K

                   FOR THE FISCAL YEAR ENDED DECEMBER 31, 1997

                                     PART I

ITEM 1.           BUSINESS

General

         American  Physicians  Service Group, Inc. (the "Company"),  through its
subsidiaries,  provides financial  services that include management  services to
malpractice  insurance  companies,  and  brokerage  and  investment  services to
individuals and institutions. The Company also owns space in the office building
which serves as its  headquarters.  Through its real estate subsidiary it leases
space that is surplus to its needs.

         The Company  owns  3,064,000  shares of common  stock of Prime  Medical
Services,  Inc. ("Prime Medical"),  representing at March 15, 1998 approximately
16% of the  outstanding  shares of common stock of Prime  Medical.  Two of Prime
Medical's  eight  directors  are members of the  Company's  five member board of
directors.  The Company records its pro-rata share of Prime Medical's results on
the equity basis. Prime Medical is the largest provider of lithotripsy  services
in the United States, currently servicing over 450 hospitals and surgery centers
in 34 states.  Lithotripsy  is a non-invasive  method of treating  kidney stones
through the use of shock waves.  The common stock of Prime  Medical is traded on
the NASDAQ  National Market under the symbol "PMSI." Prime Medical is a Delaware
corporation  which is required to file annual,  quarterly  and other reports and
documents with the Securities and Exchange Commission (the "SEC"), which reports
and documents contain  financial and other information  regarding Prime Medical.
The summary information regarding Prime Medical contained herein is qualified in
its  entirety by  reference  to such  reports and  documents.  Such  reports and
documents  may be examined  and copies may be  obtained  from the offices of the
SEC.

         On October 1, 1997, the Company formed APS Practice  Management,  Inc.,
later  renamed  Syntera  HealthCare  Corporation  ("Syntera")  with  an  initial
ownership of 85%.  Syntera  specializes  in the management of OB/GYN and related
medical practices.  In a typical  transaction,  Syntera acquires the non-medical
assets of a physician's practice, signs a long-term management contract with the
physician  to  provide  the  majority  of the  non-medical  requirements  of the
practice,  such  as  non-professional   personnel,  office  space,  billing  and
collection,  and other  day-to-day  non-medical  operating  functions.  In turn,
Syntera is paid a variable  management fee that rewards the efficient  operation
and the expansion of the practice. Medical services are not provided by Syntera.
The Company  expects its  ownership  interest in Syntera  (currently  74%) to be
reduced  to a  minority  level as  Syntera  exchanges  its stock  for  assets of
additional physician practices. Due

                                        1

<PAGE>



to the short time frame  anticipated for this change in ownership to occur,  the
Company has accounted for its ownership in Syntera on the equity basis in 1997.

         On October 31,  1996,  the Company  invested  $3,300,000  in the common
stock of Consolidated  Eco-Systems,  Inc. (formerly Exsorbet  Industries,  Inc.)
("Con-Eco")   (NASDAQ:EXSO)  with  a  put  option.   Con-Eco  is  a  diversified
environmental and technical services company.  On November 26, 1996, the Company
exercised its put in exchange for a promissory note from Con-Eco. The promissory
note was  secured  by the shares  which were  subject to the put plus all of the
stock and  substantially  all of the  assets  of a  wholly-owned  subsidiary  of
Con-Eco and the guarantees of all operating subsidiaries of Con-Eco. The Company
renegotiated  the debt with Con-Eco in November,  1997. In  connection  with the
renegotiation, the Company extended the debt for two years and refinanced unpaid
accrued interest, resulting in a new promissory note for $3,788,000. No interest
income  has  been  recognized  by  the  Company.   Con-Eco  provided  additional
collateral to the Company in the form of stock of two  additional  subsidiaries,
and a second lien on all assets of one of these subsidiaries. Payments under the
new note were  scheduled  to begin on January 1, but were  delayed  until March,
1998 with the  Company's  consent.  The March 1998  payment  has been  received;
however,  is anticipated that Con-Eco will be required to sell certain assets in
order to meet its obligations to the Company.  The Company has declared  Con-Eco
in default for  failure to comply  with  certain  non-payment  obligations,  but
believes its collateral  position is sufficient to allow  ultimate  repayment of
the debt.

         The Company was  organized  in October 1974 under the laws of the State
of Texas. The Company  maintains its principal  executive office at 1301 Capital
of Texas Highway,  Suite C-300, Austin, Texas 78746, and its telephone number is
(512) 328-0888.  Unless the context otherwise requires, all references herein to
the  "Company"  shall mean  American  Physicians  Service  Group,  Inc.  and its
subsidiaries (other than affiliates Prime Medical and Syntera).

         The Company,  through its wholly owned  subsidiary,  APS Systems,  Inc.
("APS Systems"),  had previously  developed  software and marketed it to medical
clinics and medical schools.  This business segment became unprofitable in 1996.
A joint  venture  with a  software  developer  was formed in 1996 with a plan to
develop new products,  but was  discontinued in 1997 when it was determined that
the high cost of developing competitive products precluded an adequate return on
investment.  Subsequently, the Company ceased marketing the software and reduced
the scope of APS Systems'  operations  to a level  adequate to service  existing
clients through the terms of their  contracts.  The Company has assumed that all
clients will have migrated to other software products by the end of 1999 and has
reflected the expected  financial impact of  discontinuing  this segment on that
date in the current financial statements.

         The Company had previously  published Spanish language buying guides of
U.S.  businesses  for  distribution  in Mexico.  This business  segment had been
unprofitable and, in 1995  substantially all of the assets of this business were
sold. There was no material financial impact on the Company.


                                        2

<PAGE>

FINANCIAL SERVICES

         The Company's  financial  services  consist of  management  services to
medical malpractice insurance companies by APS Insurance Services,  Inc., an 80%
owned  subsidiary  of the Company  ("Insurance  Services"),  and  brokerage  and
investment  services  primarily to institutional  and high net worth individuals
performed by APS Financial Corporation, a wholly-owned subsidiary of the Company
("APS Financial").

         MANAGEMENT SERVICES TO MEDICAL MALPRACTICE INSURANCE COMPANIES

         Insurance   Services,   through  its   wholly-owned   subsidiaries  APS
Facilities  Management,  Inc. ("FMI") and American Physicians  Insurance Agency,
Inc. ("Agency"),  provides management services to medical malpractice  insurance
companies.  The primary insurance company client,  American Physicians Insurance
Exchange ("APIE") is a reciprocal  insurance  exchange.  A reciprocal  insurance
exchange is an organization  which sells insurance only to its subscribers,  who
pay, in addition to their  annual  insurance  premiums,  a  contribution  to the
exchange's surplus.  Such exchanges generally have no paid employees but instead
enter into a contract with an  "attorney-in-fact",  that provides all management
and administrative  services for the exchange. As the attorney-in-fact for APIE,
FMI receives a percentage  of the earned  premiums of APIE, as well as a portion
of APIE's  profit.  The amount of these  premiums can be  adversely  affected by
competition.   Substantial   underwriting   losses,  which  might  result  in  a
curtailment  or cessation of operations  by APIE,  would also  adversely  affect
FMI's revenue. To limit possible  underwriting  losses, APIE currently reinsures
its risk in excess  of  $250,000  per  medical  incident.  APIE  offers  medical
professional liability insurance for doctors in Texas and Arkansas. FMI's assets
are not subject to any insurance claims by policyholders of APIE.

         FMI  organized  APIE and has  been  its  exclusive  manager  since  its
inception  in 1975.  The  management  agreement  between FMI and APIE  basically
provides for full  management  by FMI of the affairs of APIE under the direction
of APIE's physician Board of Directors.  Subject to the direction of this Board,
FMI sells and issues  policies,  investigates,  settles and defends claims,  and
otherwise manages APIE's affairs.  In consideration for performing its services,
FMI receives a percentage fee based on APIE's earned premiums (before payment of
reinsurance  premiums),  as well as a  portion  of APIE's  profit.  FMI pays all
salaries and personnel related expenses,  rent and office operations costs, data
processing costs and many other operating  expenses of APIE. APIE is responsible
for the payment of all claims, claims expenses, peer review expenses, directors'
fees and expenses, legal, actuarial and auditing expenses, its taxes and certain
other specific expenses. Under the management agreement,  FMI's authority to act
as manager of APIE is  automatically  renewed each year unless a majority of the
subscribers to APIE elect to terminate the management  agreement by reason of an
adjudication that FMI has been grossly negligent, has acted in bad faith or with
fraudulent  intent  or has  committed  willful  misfeasance  in  its  management
activities.

         During   1997,   1996  and  1995   approximately   48%,  57%  and  35%,
respectively,   of  the  Company's  revenues  from  continuing  operations,  and
substantially all of Insurance Services'

                                        3

<PAGE>

revenues were  received  pursuant to the agreement  with APIE  discussed  above.
Termination of the agreement  with APIE would have a material  adverse effect on
the Company.

         During 1997,  FPIC  Insurance  Group,  Inc.  ("FPIC"),  purchased a 20%
interest in  Insurance  Services  from the  Company.  In  conjunction  with that
purchase,   FPIC's  subsidiary,   Florida  Physicians  Insurance  Company,  Inc.
("Florida  Physicians"),  entered into  agreements with Agency and APIE granting
Agency the  exclusive  right to market  Florida  Physician's  policies in Texas.
Agency has sales,  marketing,  underwriting  and claims  handling  authority for
Florida Physicians in Texas and receives commissions for such services.  Florida
Physicians  also entered into a  reinsurance  agreement  with APIE in which APIE
reinsures  substantially all of Florida  Physicians' risk in Texas under medical
professional  liability  policies  issued or renewed by  Florida  Physicians  on
behalf of Texas health care providers after March 27, 1997. The Company has also
granted  FPIC an option,  exercisable  at any time during  1999,  to purchase an
additional 35% interest in Insurance  Services from the Company at a price based
on the average net earnings of Insurance Services for 1997 and 1998.

         APIE is  authorized to do business in the states of Texas and Arkansas.
Florida Physicians is a stock company licensed in several states. Both companies
specialize in writing medical  professional  liability insurance for health care
providers. The insurance written in Texas is primarily through purchasing groups
and is not  subject to certain  rate and policy form  regulations  issued by the
Texas  Department of Insurance.  Applicants for insurance  coverage are reviewed
based  on the  nature  of  their  practices,  prior  claims  records  and  other
underwriting criteria.  APIE is the third largest medical professional liability
insurance  company in the State of Texas and is one of the  largest in the State
of  Arkansas.  APIE  is the  only  insurance  company  based  in  Texas  that is
wholly-owned by its subscriber physicians.

         Florida  Physicians  is one of the  larger  physician  insurers  in the
country, insuring over 5,000 physicians nationwide.  Florida Physicians is rated
A- (Excellent) by AM Best.

         Generally,  medical  professional  liability  insurance  is  offered on
either a "claims made" basis or an  "occurrence"  basis.  "Claims made" policies
insure physicians only against claims actually made during the period covered by
the policy.  "Occurrence"  policies  insure  physicians  against claims based on
occurrences  during the policy  period  regardless of when the claim is actually
made. APIE and Florida Physicians offer only a "claims made" policy in Texas and
Arkansas,  but provide for an extended  reporting option upon termination.  APIE
and Florida  Physicians  reinsure  100% of all Texas and  Arkansas  coverage per
medical  incident  between  $250,000 and $1,000,000,  primarily  through certain
domestic and international insurance companies.

         The  following  table  presents  selected  financial and other data for
APIE. The management agreement with FMI obligates APIE to pay management fees to
FMI based on APIE's earned premiums before payment of reinsurance premiums.  The
fee  percentage  is 13.5% with the  provision  that any  profits of APIE will be
shared equally with FMI so long as the total

                                        4

<PAGE>

reimbursement  (fees and  profit  sharing)  do not exceed a cap based on premium
levels.  No profit  sharing fee was received in 1993. In 1997,  1996,  1995, and
1994,   management  fees   attributable  to  profit  sharing  were   $1,961,000,
$1,191,000, $700,000, and $1,107,000, respectively.
<TABLE>
<CAPTION>


                                                 Years Ended December 31,
                                  1997           1996              1995                 1994              1993
                                 ------         ------            ------                ----             -----
(thousands, except for
number of insureds)
<S>                              <C>      <C>    <C>      <C>      <C>      <C>         <C>       <C>    <C>       <C>
Earned premiums before
  reinsurance premiums......     $25,899         $28,754           $30,857              $30,261          $29,205
Total assets................      81,594          90,193           101,251               98,302           94,019
Total surplus...............      11,854          10,017             9,402                9,315            9,196
Management fees and
  commissions to FMI and
  Agency ...................       5,854  (4)      5,281  (4)        5,010  (4)           4,703   (2)      3,790   (1)
Number of  insureds.........       2,629  (3)      3,019             3,226                3,216   (3)      3,575

- ----------------
</TABLE>


         (1)      Gross fee of $3,942 less tax refund of $152 attributable to 
                    APIE's association with FMI.

         (2)      Gross fee of $5,193 less tax credit of $490 attributable to 
                    APIE's association with FMI.

         (3)      The  decrease  was the  result  of  APIE's  decision  to raise
                  premiums on certain unprofitable specialties.  Included in the
                  totals are doctors for which APIE provides reinsurance through
                  a relationship with another malpractice insurance company.

         (4)      Includes  commissions of $1,214,  $860 and $676 in 1997,  1996
                  and 1995,  respectively,  from  Florida  Physicians  and other
                  carriers directly related to APIE's controlled business.

         BROKERAGE AND INVESTMENT SERVICES

         APS Financial, a fully licensed  broker/dealer,  provides brokerage and
investment  services  primarily to  institutional  and high net worth individual
clients.  APS Financial also provides complete portfolio  accounting,  analysis,
and management services, to insurance companies, banks, and public funds.

         APS  Financial's  employees  have  extensive  investment  expertise and
knowledge.  APS Financial is a member of the National  Association of Securities
Dealers, Inc. ("NASD"), the Securities Investor Protection Corporation ("SIPC"),
the Securities Industry Association, and, in addition, is licensed in 44 states.

         Commissions are charged on both exchange and  over-the-counter  ("OTC")
transactions   generally  in  accordance  with  industry   practice.   When  OTC
transactions are executed by APS Financial as a dealer, APS Financial  receives,
in lieu of commissions, mark-ups or mark-downs.

         Every  registered  broker-dealer  doing  business  with the  public  is
subject to stringent rules with respect to net capital requirements  promulgated
by the SEC. These rules, which are designed

                                        5

<PAGE>



to measure the  financial  soundness and  liquidity of  broker-dealers,  specify
minimum net capital  requirements.  Since the Company is not itself a registered
broker-dealer,  it is not subject to these  rules.  However,  APS  Financial  is
subject to these rules.  Compliance  with  applicable  net capital  requirements
could limit operations of APS Financial such as trading  activities that require
the use of significant  amounts of capital.  A significant  operating loss or an
extraordinary  charge against net capital could adversely  affect the ability of
APS  Financial  to expand or even  maintain its present  levels of business.  At
December  31,  1997,  APS  Financial  was in  compliance  with  all net  capital
requirements.

         APS Financial  clears and executes its transactions  through  Southwest
Securities,  Inc.  ("Southwest")  on a fully  disclosed  basis.  Southwest  also
processes orders and floor reports,  matches trades, transmits execution reports
to APS Financial and records all data  pertinent to trades.  APS Financial  pays
Southwest  a fee  based on the  number  and type of  transactions  performed  by
Southwest.

REAL ESTATE

         APS Realty,  Inc.,  a  wholly-owned  subsidiary  of the  Company  ("APS
Realty"),  owns condominium space in an office project located in Austin, Texas.
APS  Realty  leases  approximately  58%  of  this  space  to  the  Company,  its
subsidiaries and Prime Medical. The remainder is leased to unaffiliated parties.

COMPETITION

         APIE competes with numerous insurance  companies in Texas and Arkansas,
primarily  Medical  Protective  Insurance  Company,  St.  Paul  Fire and  Marine
Insurance  Company,  State Volunteer Mutual Company,  Frontier  Insurance Group,
Insurance  Company of America,  Texas Medical  Liability Trust and CNA Insurance
Company. Many of these firms have substantially greater resources than APIE. The
primary competitive factor in selling insurance is a combination of price, terms
of the  policies  offered,  claims  and  other  service  and  claims  settlement
philosophy.

         APS  Financial is also engaged in a highly  competitive  business.  Its
competitors include, with respect to one or more aspects of its business, all of
the member  organizations  of the New York Stock  Exchange and other  registered
securities  exchanges,  all members of the NASD, registered investment advisors,
members of the  various  commodity  exchanges  and  commercial  banks and thrift
institutions.  Many of these  organizations  are national  rather than  regional
firms and have substantially  greater personnel and financial resources than the
Company. Discount brokerage firms oriented to the retail market, including firms
affiliated  with  commercial  banks  and  thrift   institutions,   are  devoting
substantial  funds to advertising and direct  solicitation of customers in order
to increase  their  share of  commission  dollars  and other  securities-related
income.  In many  instances  APS  Financial  is  competing  directly  with  such
organizations.  In addition,  there is competition for investment funds from the
real estate, insurance, banking and thrift industries.


                                        6

<PAGE>



REGULATION

         FMI has received  certificates of authority from the Texas and Arkansas
insurance departments,  licensing it on behalf of the subscribers of APIE. APIE,
as an insurance company,  is subject to regulation by the insurance  departments
of the  States of Texas  and  Arkansas.  These  regulations  strictly  limit all
financial  dealings  of a  reciprocal  insurance  exchange  with  its  officers,
directors,   affiliates  and   subsidiaries,   including  FMI.   Premium  rates,
advertising,  solicitation of insurance,  types of insurance  issued and general
corporate activity are also subject to regulation by various state agencies.

         APS Financial is subject to extensive regulation under both federal and
state laws.  The SEC is the federal agency  charged with  administration  of the
federal securities laws. Much of the regulation of broker-dealers,  however, has
been delegated to  self-regulatory  organizations,  principally the NASD and the
national securities exchanges.  These self-regulatory  organizations adopt rules
(subject to approval by the SEC) which govern the industry and conduct  periodic
examinations  of  member  broker-dealers.  APS  Financial  is  also  subject  to
regulation by state and District of Columbia securities commissions.

         The  regulations to which APS Financial is subject cover all aspects of
the  securities  business,   including  sales  methods,  trade  practices  among
broker-dealers, uses and safekeeping of customers' funds and securities, capital
structure of  securities  firms,  record-keeping  and the conduct of  directors,
officers and employees. Additional legislation,  changes in rules promulgated by
the SEC and by self-regulatory  organizations,  or changes in the interpretation
or  enforcement  of existing laws and rules,  may directly  affect the method of
operation  and  profitability  of  APS  Financial.   The  SEC,   self-regulatory
organizations  and  state  securities  commissions  may  conduct  administrative
proceedings  which can result in censure,  fine,  suspension or expulsion of APS
Financial,  its officers or employees.  The principal  purpose of regulation and
discipline of  broker-dealers  is the protection of customers and the securities
markets, rather than protection of creditors and shareholders of broker-dealers.

         APS  Financial,   as  a  registered   broker-dealer   and  NASD  member
organization,  is required  by federal law to belong to the SIPC.  When the SIPC
fund  falls  below a certain  minimum  amount (as it did in 1995),  members  are
required to pay annual assessments in varying amounts not to exceed .5% of their
adjusted  gross  revenues  to restore  the fund.  This  assessment  amounted  to
approximately  $7,300 in 1995.  The SIPC fund provides  protection  for customer
accounts up to $500,000 per  customer,  with a limitation  of $100,000 on claims
for cash balances.

EMPLOYEES

         At  March  1,  1998,  the  Company  employed,  on a  full  time  basis,
approximately  128  persons,  including  52 by  Insurance  Services,  45 by  APS
Financial,  18 by APS  Systems  and 13  directly  by the  Company.  The  Company
considers its employee relations to be good. None of the Company's  employees is
represented by a labor union and the Company has experienced no work stoppages.

                                        7

<PAGE>



ITEM 2.           PROPERTIES

         APS Realty owns  approximately  53,000 square feet of condominium space
in an office project in Austin,  Texas. The Company,  its subsidiaries and Prime
Medical use  approximately  31,000 square feet of this space as their  principal
executive  offices,  and APS Realty leases the remainder to third  parties.  The
area  available  for lease to third  parties is fully  occupied  as of March 20,
1998.

ITEM 3.           LEGAL PROCEEDINGS

         The Company is involved in various  claims and legal  actions that have
arisen in the  ordinary  course  of  business.  The  Company  believes  that the
liability  provision in its  financial  statements  is  sufficient  to cover any
unfavorable  outcome  related  to  lawsuits  in  which  it is  currently  named.
Management  believes that  liabilities,  if any, arising from these actions will
not have a significant adverse effect on the financial condition of the Company.
However, due to the uncertain nature of legal proceedings, the actual outcome of
these lawsuits may differ from the liability provision recorded in the Company's
financial statements.

ITEM 4.           SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

         The Company's  annual  meeting was held June 19, 1997.  The sole agenda
item was the election of directors. Results of the election follow:

Nominee                     For         Against     Abstain      Broker Non-Vote

Richard Clark            3,598,632       22,000        --               --
Jack Murphy              3,599,631       22,001        --               --
Robert L. Myer           3,598,632       22,000        --               --
William A. Searles       3,598,632       22,000        --               --
Kenneth S. Shifrin       3,598,632       22,000        --               --


                                     PART II

ITEM 5.           MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED
                  STOCKHOLDER MATTERS

         The following table represents the high and low prices of the Company's
common  stock  in the  over-the-counter  market  as  reported  by  the  National
Association of Securities Dealers,  Inc.,  Automated Quotations System for years
ended   December  31,  1997  and  1996.  On  March  1,  1998,  the  Company  had
approximately 500 holders of record of its common stock.



                                        8

<PAGE>

                                               1997                1996
                                        -----------------   ------------------
                                        High        Low      High         Low

         First Quarter                $7 5/8       $6 3/8    $10 1/8     $5 1/4
         Second Quarter                6 7/8        4 3/4     12 7/8      8
         Third Quarter                 8 7/8        5 7/8     10          5 7/8
         Fourth Quarter                8            6          7 3/8      5 5/8

The Company has not declared  any cash  dividends on its common stock during the
last two years and has no present  intention of paying any cash dividends in the
foreseeable future. It is the present policy of the Board of Directors to retain
all earnings to provide funds for the growth of the Company. The declaration and
payment of dividends in the future will be  determined by the Board of Directors
based upon the Company's earnings, financial condition, capital requirements and
such other factors as the Board of Directors may deem relevant.

ITEM 6.           SELECTED FINANCIAL DATA

<TABLE>
<CAPTION>

                                              SELECTED FINANCIAL DATA
(In thousands, except per share data)
                                                                                 For the Year Ended or At December 31,
                                                     1997         1996             1995         1994       1993
                                                     ----         ----            ------      --------    -----
Selected income statement data:

  <S>                                                <C>           <C>            <C>         <C>            <C>   
  Revenues                                           $13,065       10,437         16,124      12,333         12,541

  Earnings from continuing operations before
  income taxes, minority interests and accounting
  changes                                            $ 5,984        3,006          3,007       1,784          1,471


  Net earnings                                       $ 2,538        1,924          2,024       1,254          1,086

  Per share amounts - diluted:

  Net earnings                                       $  .59           .46            .53         .36            .31

  Diluted weighted average
  shares outstanding                                   4,241        4,219          3,798       3,488          3,549

  Selected balance sheet data:

  Total assets                                       $29,401       24,468         23,740      19,918         18,326

  Long-term obligations                              $    --           --            574         878          1,215

  Total liabilities                                  $ 6,122        4,086          6,146       4,927          4,562

  Minority interests                                 $   175           --             --          --             76

  Total equity                                       $23,104       20,382         17,594      14,991         13,688

  Book value per share                                $ 5.59         5.03           4.80        4.47           4.15
</TABLE>


                                        9

<PAGE>




ITEM 7.           MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
                  CONDITION AND RESULTS OF OPERATIONS OF THE COMPANY

FORWARD-LOOKING STATEMENTS

The  statements  contained  in this  Report  on Form  10-K  that are not  purely
historical are forward- looking  statements within the meaning of Section 27A of
the  Securities  Act of 1933 and Section 21E of the  Securities  Exchange Act of
1934,  including  statements  regarding  the  Company's   expectations,   hopes,
intentions or strategies  regarding the future.  Readers  should not place undue
reliance on forward-looking  statements. All forward-looking statements included
in this document are based on  information  available to the Company on the date
hereof, and the Company assumes no obligation to update any such forward-looking
statements.  It is important to note that the  Company's  actual  results  could
differ materially from those in such forward-looking  statements. In addition to
any risks and uncertainties specifically identified in the text surrounding such
forward-looking  statements,  the reader should consult the Company's reports on
Forms 10-Q and other filings under the Securities Act of 1933 and the Securities
Exchange  Act of 1934,  for factors  that could cause  actual  results to differ
materially from those presented.

The forward-looking  statements included herein are necessarily based on various
assumptions  and  estimates  and are  inherently  subject to  various  risks and
uncertainties,  including  risks  and  uncertainties  relating  to the  possible
invalidity of the underlying  assumptions and estimates and possible  changes or
developments  in  social,  economic,   business,  industry,  market,  legal  and
regulatory circumstances and conditions and actions taken or omitted to be taken
by  third  parties,  including  customers,   suppliers,  business  partners  and
competitors and  legislative,  judicial and other  governmental  authorities and
officials. Assumptions relating to the foregoing involve judgements with respect
to, among other things,  future economic,  competitive and market conditions and
future business  decisions,  all of which are difficult or impossible to predict
accurately  and many of which are beyond the  control of the  Company.  Any such
assumptions could be inaccurate and,  therefore,  there can be no assurance that
the  forward-looking  statements included in this Report on Form 10-K will prove
to be accurate.

RESULTS OF OPERATIONS

1997 COMPARED TO 1996

Revenues from continuing  operations increased 25% in 1997 compared to 1996. Net
income  increased 32% and diluted  earnings per share increased 28%. The reasons
for these changes are described below.

Financial Services

     Financial  services  revenues  increased  30% in  1997  compared  to  1996.
Insurance management operations were up by 6% as a result of a higher contingent
fee,  which was based on  improved  profits at the  managed  insurance  company.
Broker dealer revenues increased 73%.

                                       10

<PAGE>

Approximately  71% of the increase was attributable to expanding the sales force
with the opening of an additional  office location.  The balance of the increase
was  primarily a result of lower  interest  rates  creating more activity in the
bond market.

     Financial  services expenses increased 12% from 1996. The increase reflects
increased sales and expanded  office  operations at the  broker/dealer  with the
resultant higher commissions and payroll expense.  Better control of legal costs
and a lower  allocation of corporate  overhead  partially  offset the increases.
Insurance  mangement  expenses  decreased  9%,  again in the  areas of legal and
professional fees and allocated corporate overhead.

     Results in this  segment can vary from year to year.  Insurance  management
has a  provision  in its  contract  whereby it receives a portion of the managed
insurance   company's   profits.   In  the  eight  years  under  the   contract,
profit-sharing has ranged from zero to 16% of the segment's revenues. The broker
dealer,  primarily a provider of fixed income securities,  is subject to general
market conditions as well as interest rates and is in an industry  characterized
by competition for top producing  brokers.  The broker/dealer  continually seeks
quality  brokers and has opened an office in another city in an effort to expand
its recruiting and sales base.

REAL ESTATE

     Revenue  decreased 2% compared to 1996. The small decrease reflects greater
utilization of the office  building by the Company and affiliates at lower rates
than outside tenants.

     The 3% decrease in real estate  expenses in 1997 reflects  lower  corporate
overhead allocations.

INVESTMENT AND OTHER

     The  decline in  investment  and other  income was  primarily  due to lower
interest income, the result of a note receivable being on non-accrual during all
of 1997.

     On October 31, 1996, the Company invested $3,300,000 in the common stock of
Con-Eco with a put option.  On November 26, 1996, the Company  exercised its put
in exchange for a note receivable  from Con-Eco.  The Company  renegotiated  the
debt with Con-Eco in November 1997. In connection  with the  renegotiation,  the
Company extended the debt for two years and refinanced  unpaid accrued interest,
resulting in a new promissory note for  $3,788,000.  No interest income has been
recognized by the Company.  Payments  under the new note were scheduled to begin
on January 1, but were delayed until March 1998 with the Company's consent.  The
March 1998 payment has been received;  however,  it is anticipated  that Con-Eco
will be required to sell certain assets in order to meet its  obligations to the
Company.  The Company has declared Con-Eco in default for failure to comply with
certain  non-payment  obligations,  but  believes  its  collateral  position  is
sufficient to allow ultimate repayment of the debt.

                      General and Administrative Expenses

     The 800% increase in expenses was a result of changes in accounting  
estimates rather than fundamental changes in

                                       11

<PAGE>

operations.  1996's expenses  reflected  favorable  adjustments to a contingency
provision related to a guarantee, as well as favorable adjustments to allowances
for doubtful accounts, a result of collecting the accounts.  No such adjustments
were required in 1997.

     Interest  expense  declined 61%  primarily  due to paying off the Company's
real estate loan early in 1997.

AFFILIATES

     Earnings  from  affiliates  increased  43% compared to 1996.  Prime Medical
continued  to grow and did not have the  substantial  offering  and  acquisition
expenses it incurred in 1996. As a result, the Company's equity in earnings grew
67% in 1997. Partially offsetting this increase was a loss in equity earnings of
Syntera.  Syntera was  established  in 1997 and the loss  reflects  start-up and
development costs incurred in this early phase.

     Prime had issued additional shares in 1996 reducing the Company's ownership
from 21% to 16%. The Company,  through its status as Prime's largest shareholder
and through its  representation on Prime's board,  continues to have significant
influence at Prime and accounts for its investment using the equity method.

1996 COMPARED TO 1995

Revenues from continuing  operations decreased 35% in 1996 compared to 1995. Net
income  decreased 5% and diluted  earnings per share  decreased 13%. The reasons
for these changes are described below.

FINANCIAL SERVICES

     Financial  services  revenues  declined  35%  in  1996  compared  to  1995.
Insurance management operations were up by 5% as a result of a higher contingent
fee,  which was based on  improved  profits at the  managed  insurance  company.
Broker dealer revenues  declined 61%.  Approximately 60% of the decline was from
not being able to replace the sales of a key broker who left at the beginning of
1996.  The balance of the decline was primarily  attributed  to higher  interest
rates, which reduced activity in the bond market.

     Financial  services  expenses  declined 32% from 1995. The decline reflects
lower activity at the broker/dealer where lower commissions,  payroll, legal and
office  operations  expenses  combined  for  a 51%  decline  compared  to  1995.
Insurance management expenses increased 7%, primarily in the areas of employment
taxes and benefits and state taxes.

REAL ESTATE

     Revenue increased 7% over 1995. The increase reflects rising lease rates in
Austin, Texas.

                                       12

<PAGE>


     The 2% increase in real estate  expenses  reflects  overall  inflation from
1995 to 1996.

INVESTMENT AND OTHER

     The decline in  investment  and other  income was  primarily in the "other"
category,   where  1995  results  included  a  favorable   settlement  of  prior
litigation. No similar benefit was received in 1996.

GENERAL AND ADMINISTRATIVE EXPENSES

     The 93% decline in expenses  was  primarily a result of timing  rather than
fundamental  changes in  operations.  1995's  expenses  included  a  contingency
provision  established to guarantee a future yield on an account.  In 1996, this
contingency  provision was adjusted downward as a result of the account's actual
performance. Approximately 72% of the change between 1996 and 1995 resulted from
this contingency provision.  Additionally,  the successful collection of certain
accounts  receivable  in 1996 caused the  reversal in 1996 of an  allowance  for
doubtful  accounts,  established in 1995, and accounts for  approximately 16% of
the change  between  1996 and 1995.  Approximately  9% of the  decrease  in 1996
expenses  was  from  lower  payroll  costs.  Costs  were  lower  due to  reduced
performance-based incentives, which are based on the Company's pretax income and
market price.

     Interest expense  declined 56% primarily due to reduced  inventories at the
broker/dealer and the resultant reduction in margin borrowing.

AFFILIATES

     Earnings from affiliates  decreased 6% compared to 1995. Prime Medical grew
dramatically  in  1996,  but  costs  associated  with  acquisitions  and a stock
offering reduced the impact of the growth in 1996.  Prime Medical's  issuance of
additional shares in 1996 reduced the Company's ownership from 21% to 16%.

LIQUIDITY AND CAPITAL RESOURCES

     Net working  capital was $3,360,000 and $8,305,000 at December 31, 1997 and
1996, respectively.  The decrease in working capital resulted from current notes
receivable  being  moved to long  term,  as a result  of  amended  terms,  and a
significant  increase in accrued  liabilities  related to the estimated disposal
cost of the computer software segment.  Equally significant,  the Company's $4.6
million  investment  in Syntera  was funded  from  working  capital  and current
operations.  Historically,  the Company has maintained a strong working  capital
position  and,  using that base,  has been able to satisfy its  operational  and
capital  expenditure  requirements  with cash  generated  from its operating and
investing activities.  These same sources of funds have also allowed the Company
to pursue  investment  and expansion  opportunities  consistent  with its growth
plans.

                                       13

<PAGE>


     In  February  1998,  the  Company  entered  into a three  year  $10,000,000
revolving credit agreement with NationsBank of Texas,  N.A. Funds advanced under
the agreement  will bear interest at the prime rate less 1/4%,  such interest to
be payable  quarterly.  The Company will pledge  shares of Prime  Medical to the
bank as funds are advanced  under the line. No funds had been advanced as of the
date of this report.

     Capital expenditures for equipment were $312,000, $123,000 and $419,000, in
1997,  1996,  and 1995,  respectively.  In  addition,  the  Company  improved or
purchased  office space in 1996 and 1995 for $21,000 and $64,000,  respectively.
The Company expects  capital  expenditures in 1998 to be within the range of the
prior three years.

     The Company's ability to make scheduled payments of principal of, or to pay
the interest on, or to refinance,  its indebtedness,  or to fund planned capital
expenditures will depend on its future performance,  which, to a certain extent,
is subject to general economic, financial, competitive,  legislative, regulatory
and other  factors that are beyond its control.  Based upon the current level of
operations and anticipated  revenue growth,  management  believes that cash flow
from operations and available cash, together with available borrowings under its
bank line of credit,  will be adequate to meet the  Company's  future  liquidity
needs for at least the next several  years.  However,  there can be no assurance
that the Company's business will generate  sufficient cash flow from operations,
that anticipated  revenue growth and operating  improvements will be realized or
that future  borrowings  will be available under the line of credit in an amount
sufficient  to enable the  Company to service  its  indebtedness  or to fund its
other liquidity needs.

INFLATION

     The operations of the Company are not  significantly  affected by inflation
because, having no manufacturing operations, the Company is not required to make
large  investments in fixed assets.  However,  the rate of inflation will affect
certain of the Company's expenses, such as employee compensation and benefits.

YEAR 2000 COMPLIANCE

     The Company is aware of the issues  associated with the programming code in
existing  computer systems as the year 2000 approaches.  The "year 2000 problem"
is pervasive and complex as virtually every computer  operation will be affected
in some way by the  rollover  of the two digit  year  value to 00.  The issue is
whether computer systems will properly recognize data sensitive information when
the  year  changes  to  2000.  Systems  that  do  not  properly  recognize  such
information could generate erroneous data or cause a system to fail. The Company
anticipates  that necessary  actions to be year 2000 compliant will be performed
internally  in the ordinary  course of business at a cost not expected to exceed
$100,000. However, significant uncertainty exists concerning the potential costs
and effects  associated with any year 2000 compliance.  Any year 2000 compliance
problem of either the Company or its  vendors,  third party  payors or customers
could have a  material  adverse  effect on the  Company's  business,  results of
operations,

                                       14

<PAGE>



financial condition and prospects.
ITEM 7.(a)        Quantitative and Qualitative Disclosures about Market Risk.

                  Not required for 1997.

ITEM 8.           FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

     The  information  required by this item is contained in Appendix A attached
hereto.

     Financial  information  and schedules  relating to Prime Medical  Services,
Inc. are  contained in Item 14(a) of the Annual Report on Form 10-K for the year
ended  December 31, 1997 of Prime Medical  Services,  Inc.,  which Item 14(a) is
incorporated herein by reference.

ITEM 9.           CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON
                  ACCOUNTING AND FINANCIAL DISCLOSURE

     None.

                                    PART III

ITEM 10.          DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

     The information  required by this item is contained in the definitive proxy
material of the Company to be filed in connection  with its 1998 annual  meeting
of shareholders,  except for the information regarding executive officers of the
Company  which  is  presented  below.  The  information  required  by this  item
contained in such definitive proxy material is incorporated herein by reference.

     As of March 1, 1998, the executive officers of the Company are as follows:

Name                      Age                       Position

Kenneth S. Shifrin        48                Chairman of the Board, President and
                                               Chief Executive Officer

Duane K. Boyd, Jr.        53                Senior Vice President - Insurance

William H. Hayes          50                Senior Vice President - Finance and
                                               Secretary

Thomas R. Solimine        39                Controller

         All officers serve until the next annual meeting of directors and until
 their successors are

                                       15

<PAGE>

elected and qualified.

         Mr.  Shifrin has been  Chairman  of the Board since March 1990.  He has
been  President and Chief  Executive  Officer since March 1989 and was President
and Chief  Operating  Officer  from June 1987 to  February  1989.  He has been a
Director of the Company since February 1987. From February 1985 until June 1987,
Mr. Shifrin served as Senior Vice President - Finance and Treasurer. He has been
Chairman of the Board of Prime  Medical since  October  1989.  Mr.  Shifrin is a
Certified   Public   Accountant  and  is  a  member  of  the  Young   Presidents
Organization.

         Mr. Boyd has been Senior Vice President - Insurance since July 1991 and
has also been President and Chief Operating  Officer of FMI since July 1991. Mr.
Boyd is a Certified  Public  Accountant and was with KPMG Peat Marwick from 1974
to June 1991. He was a partner  specializing in the insurance  industry prior to
joining the Company.

         Mr. Hayes has been the Senior Vice President - Finance since June 1995.
Mr. Hayes was Vice President from June 1988 to June 1995 and was Controller from
June 1985 to June 1988. He has been Secretary of the Company since February 1987
and Chief Financial Officer since June 1987.  Mr. Hayes is a Certified Public 
Accountant.

         Mr. Solimine has been Controller since June 1994.  He has served as 
Secretary for APS Financial since February 1995.  From July 1989 to June 1994, 
Mr. Solimine served as Manager of Accounting for the Company.

         There are no family relationships, as defined, between any of the above
executive officers,  and there is no arrangement or understanding between any of
the above  executive  officers  and any other  person  pursuant  to which he was
selected as an officer.  Each of the above executive officers was elected by the
Board of Directors to hold office until the next annual election of officers and
until his successor is elected and qualified or until his earlier resignation or
removal.  The Board of Directors  elects the officers in  conjunction  with each
annual meeting of the stockholders.

ITEM 11.          EXECUTIVE COMPENSATION

         The  information  required by this item is contained in the  definitive
proxy  statement of the Company to be filed in  connection  with its 1998 annual
meeting of shareholders, which information is incorporated herein by reference.

ITEM 12.          SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND
                  MANAGEMENT

         The  information  required by this item is contained in the  definitive
proxy  statement of the Company to be filed in  connection  with its 1998 annual
meeting of shareholders, which information is incorporated herein by reference.

ITEM 13.          CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

                                       16

<PAGE>


         The  information  required by this item is contained in the  definitive
proxy  statement of the Company to be filed in  connection  with its 1998 annual
meeting of shareholders, which information is incorporated herein by reference.

ITEM 14.          EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON
                  FORM 8-K

         (a)      1.       Financial Statements

                  The information required by this item is contained in Appendix
A attached hereto.

                  2.       Financial Statement Schedules

                  All schedules are omitted  because they are not  applicable or
                  not  required  or  because  the  required  information  is not
                  material  or  is  presented  in  the  Consolidated   Financial
                  Statements and related notes.

         (b)      Reports on Form 8-K

                  None.

         (c)      Exhibits (1)

                            3.1   Restated Articles of Incorporation of the 
                                  Company, as amended.(6)

                            3.2   Amended and Restated Bylaws of the Company.(6)

                            4.1   Specimen of Common Stock Certificate.(2)

                          *10.1   American Physicians Service Group, Inc. 
                                  Employees Stock Option Plan.(2)

                          *10.2   Form of Employees Incentive Stock Option
                                  Agreement.(2)

                          *10.3   Form of Employees Non-Qualified Stock Option 
                                  Agreement.(2)

                          *10.4   American Physicians Service Group, Inc. 
                                  Directors Stock Option Plan.(2)

                          *10.5   Form of Directors Stock Option Agreement.(2)

                          *10.6   1995 Non-Employee Directors Stock Option Plan 
                                  of American Physicians Service Group, Inc.(8)

                                       17

<PAGE>


                  *10.7       Form of Non-Employee Directors Stock Option 
                              Agreement.(8)

                  *10.8       1995 Incentive and Non-Qualified Stock Option Plan
                              of American Physicians Service Group, Inc.(8)

                  *10.9       Form of Stock Option Agreement (ISO).(8)

                  *10.10      Form of Stock Option Agreement (Non-Qualified).(8)

                  *10.11      Management Agreement of Attorney-in-Fact, dated 
                              August 13, 1975, between the Company and American 
                              Physicians Insurance Exchange.(2)

                   10.12     Rights   Agreement  dated  August  16,  1989
                             between  the  Company  and  Texas   American
                             Bridge  Bank  N.A.,  as  rights  agent,  and
                             letter to the  Company  stockholders,  dated
                             August 16, 1989.(5)

                   10.13     Stock Purchase  Agreement  dated October 11,
                             1989 between the Company and Texas  American
                             Energy   Corporation   ("TAE"),   Standstill
                             Agreement  dated  October 11, 1989 among the
                             Company,  TAE, Shamrock  Associates and Paul
                             O. Koether,  and Agreement dated October 11,
                             1989 among the  Company,  Prime  Medical and
                             Shamrock Associates.(3)

                  *10.14     Profit Sharing Plan or Trust, effective December 1,
                             1984, of the Company.(4)

                   10.15     Loan  Agreement  dated April 7, 1992,  among the
                             Company,  APS Realty and  NationsBank of Texas,
                             N.A.(7)

                   10.16     Promissory   Note   dated   April  7,  1992,
                             executed  by APS  Realty  in  the  principal
                             amount of $1,000,000  payable to NationsBank
                             of Texas, N.A.(7)

                   10.17     Stock Purchase Agreement dated September 30,
                             1996   between  the  Company  and   Exsorbet
                             Industries, Inc.(9)

                   10.18     Stock Put Agreement dated September 30, 1996
                             between the Company and Exsorbet Industries,
                             Inc.(9)

                   10.19     Shareholder Rights Agreement dated September
                             30, 1996  between  the Company and  Exsorbet
                             Industries, Inc.(9)

                   10.20     Warrant dated September 30, 1996 for shares of 
                             common stock issued

                                       18

<PAGE>

                              to the Company by Exsorbet Industries, Inc.(9)

                   10.21     Contingent Warrant Agreement dated September 30,
                             1996 for shares of common  stock  issued
                             to  the  Company  by  Exsorbet   Industries,
                             Inc.(9)

                   10.22     Option  Agreements  dated September 30, 1996
                             for shares of Exsorbet  common  stock issued
                             to the Company by officers and  directors of
                             Exsorbet Industries, Inc.(9)

                   10.23     Agreement dated September 30, 1996 with Exsorbet 
                             Industries, Inc. related to options issued by 
                             officers and directors of Exsorbet.(9)

                   10.24     Guaranty Agreements dated September 30, 1996
                             between  the  Company  and  subsidiaries of
                             Exsorbet Industries, Inc.(9)

                   10.25     Promissory Note dated November 26, 1996 executed by
                             Exsorbet Industries, Inc. and payable to the 
                             Company in the amount of $3,300,000.(9)

                   10.26     Stock Purchase Agreement dated October 1, 1997
                             between the Company, APS Practice Management, Inc.,
                             Michael Beck, John Hendrick, et al.(10)

                   10.27     Bylaws of APS Practice Management, Inc.(10)

                   10.28     Amended and Restated Articles of Incorporation APS 
                             Practice Management, Inc.(10)

                   10.29     APS Practice Management, Inc. Certificate of 
                             Designation of Rights and Preferences Series A 
                             Serial Founder's Common Stock dated September 30, 
                             1997.(10)

                   10.30     Resolutions to organizational matters concerning 
                             APS Practice Management, Inc. dated October 1, 1997
                             (10)

                   10.31     Master Refinancing  Agreement dated November 6,
                             1997 between the Company and Consolidated
                             Eco-Systems, Inc.(10)

                   10.32     Promissory Note dated November 6, 1997 executed by 
                             Consolidated Eco-Systems, Inc. and payable to the 
                             Company in the amount of $3,788,580.(10)

                   10.33     Assignment  and  Security   Agreement  dated
                             November  6, 1997  between  the  Company and
                             Consolidated Eco-Systems, Inc.(10)

                                       19

<PAGE>


                   10.34     Security Agreement dated November 6, 1997 between 
                             the Company and Consolidated Eco-Systems, Inc.(10)

                   10.35     Share Exchange  Agreements dated October 31, 1997
                             between the  Company and Devin  Garza,
                             M.D.,  Robert  Casanova,  M.D.  and  Shelley
                             Nielsen, M.D.(10)

                   10.36     First Amendment to 1995 Incentive and Non-Qualified
                             Stock Option Plan of American Physicians Service
                             Group, Inc. Dated December 10, 1997.(10)

                   10.37     First Amendment to 1995 Non-Employee Director Stock
                             Option Plan of American Physicians Service Group, 
                             Inc. Dated December 10, 1997.(10)

                   21.1      List of subsidiaries of the Company.(10)

                   23.1      Independent Auditors Consent of KPMG Peat Marwick 
                             LLP.(10)

                   27.1      Financial Data Schedule (EDGAR filing).
- ----------------

      (*)     Executive Compensation plans and arrangements.

      (1) The  Company  is  subject  to the  informational  requirements  of the
Securities Exchange Act of 1934, as amended, and, in accordance therewith, files
reports,  proxy statements and other  information with the Commission.  Reports,
proxy statements and other information filed by the Company can be inspected and
copied at the public  reference  facilities  maintained by the Commission at 450
Fifth Street,  N.W.,  Washington,  D.C. 20549, and at the Commission's  Regional
Offices at Seven World Trade Center,  13th Floor,  New York,  New York 10048 and
CitiCorp  Center,  500  West  Madison  Street,  Suite  1400,  Chicago,  Illinois
60661-2511.  Copies of such  material  can be  obtained  by mail from the Public
Reference Section of the Commission at 450 Fifth Street, N.W., Washington,  D.C.
20549, at prescribed rates. Such reports, proxy statements and other information
concerning  the Company are also  available for inspection at the offices of The
Nasdaq National Market, Reports Section, 1735 K Street, N.W.,  Washington,  D.C.
20006.  The  Commission  maintains a Web site that contains  reports,  proxy and
information  statements and other  information  regarding  registrants that file
electronically with the Commission at  "http://www.sec.gov"  and makes available
the same documents through Disclosure, Inc. at 800-638-8241.

      (2)  Filed  as an  Exhibit  to the  Registration  Statement  on Form  S-1,
Registration No. 2-85321, of the Company, and incorporated herein by reference.

                                       20

<PAGE>

      (3) Filed as an Exhibit to the  Current  Report on Form 8-K of the Company
dated October 20, 1989 and incorporated herein by reference.

      (4) Filed as an Exhibit to the Annual  Report on Form 10-K of the  Company
for the year ended December 31, 1984 and incorporated herein by reference.

      (5) Filed as an Exhibit to the  Current  Report on Form 8-K of the Company
dated September 5, 1989 and incorporated herein by reference.

      (6) Filed as an Exhibit to the Annual  Report on Form 10-K of the  Company
for the year ended December 31, 1990 and incorporated herein by reference.

      (7) Filed as an Exhibit to the Annual  Report on Form 10-K of the  Company
for the year ended December 31, 1992 and incorporated herein by reference.

      (8) Filed as an Exhibit to the Annual Report on Form 10-KSB of the Company
for the year ended December 31, 1995 and incorporated herein by reference.

      (9) Filed as an Exhibit to the Annual Report on Form 10-KSB of the Company
for the year ended December 31, 1996 and incorporated herein by reference.

      (10) Filed herewith.











                                       21

<PAGE>

                                   SIGNATURES

         Pursuant to the  requirements  of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.

                                    AMERICAN PHYSICIANS SERVICE GROUP, INC.


                                    By: /s/ Kenneth S. Shifrin
                                            Kenneth S. Shifrin, Chairman of the
                                             Board and Chief Executive Officer

                                    Date:  March 27, 1998




         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
this report has been signed by the following persons on behalf of the registrant
and in the capacities and on the dates indicated.

By: /s/ Kenneth S. Shifrin
     Kenneth S. Shifrin
     Chairman of the Board and
     Chief Executive Officer
     (Principal Executive Officer)

Date:    March 27, 1998


By: /s/ W. H. Hayes
     W. H. Hayes
     Senior Vice President - Finance, Secretary
     and Chief Financial Officer
     (Principal Financial Officer)

Date:    March 27, 1998


By: /s/ Thomas R. Solimine
     Thomas R. Solimine
     Controller
     (Principal Accounting Officer)

                                       22

<PAGE>

Date:    March 27, 1998


By: /s/ Richard J. Clark
     Richard J. Clark, Director

Date:    March 27, 1998



By: /s/ Jack Murphy
     Jack Murphy, Director

Date:    March 27, 1998



By: /s/ Robert L. Myer
     Robert L. Myer, Director

Date:    March 27, 1998



By: /s/ William A. Searles
     William A. Searles, Director

Date:    March 27, 1998



                                       23

<PAGE>
    
 
                                   APPENDIX A


                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS


                                                                      Page

 Independent Auditors' Report                                          A-2

 Financial Statements

   Consolidated Statements of Earnings for the years                   A-3
   ended December 31, 1997, 1996 and 1995.

   Consolidated Balance Sheets at December 31, 1997                    A-5
   and December 31, 1996.

   Consolidated Statements of Cash Flows for the years                 A-7
   ended December 31, 1997, 1996 and 1995.

   Consolidated Statements of Shareholders' Equity                     A-9
   at December 31, 1997, 1996 and 1995.

   Notes to Consolidated Financial Statements.                         A-10

 



                                      A-1

<PAGE>
  
                          INDEPENDENT AUDITORS' REPORT



The Board of Directors and Shareholders
American Physicians Service Group, Inc.:

We have audited the accompanying  consolidated  financial statements of American
Physicians  Service Group,  Inc. and  subsidiaries  ("Company") as listed in the
accompanying   index.   These   consolidated   financial   statements   are  the
responsibility of the Company's management.  Our responsibility is to express an
opinion on these consolidated financial statements based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated  financial statements referred to above present
fairly, in all material respects,  the financial position of American Physicians
Service  Group,  Inc. and  subsidiaries  at December 31, 1997 and 1996,  and the
results  of their  operations  and their cash flows for each of the years in the
three-year period ended December 31, 1997, in conformity with generally accepted
accounting principles.



Austin, Texas
March 6, 1998



                                       A-2

<PAGE>

                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
                       CONSOLIDATED STATEMENTS OF EARNINGS

(In thousands, except per share data)
<TABLE>
<CAPTION>
                                                                                              Year Ended
                                                                                             December 31,

                                                                         1997             1996            1995
                                                                         ----             ----            ----
<S>                                                                   <C>               <C>              <C>    
Revenues:
  Financial services (Note 3)                                         $12,013            9,244           14,134
  Real estate (Note 6)                                                    704              717              668
  Investments and other (Note 2)                                          348              476            1,322
                                                                     --------          -------          -------
    Total revenues                                                     13,065           10,437           16,124
                                                                      -------          -------          -------


Expenses:
  Financial services                                                    9,118            8,117           11,954
  Real estate                                                             503              521              510
  General and administrative                                            1,352              150            2,037
  Interest                                                                 21               54              124
                                                                       ------           ------          -------
    Total expenses                                                     10,994            8,842           14,625
                                                                       ------           ------          -------

  Operating income                                                      2,071            1,595            1,499


  Equity in earnings of
    unconsolidated affiliates (Note 13)                                 2,014            1,411            1,508

  Gain on sale of interest in subsidiary                                1,899               --               --
                                                                       ------          -------          -------

  Earnings from continuing operations before
    income taxes and minority interests                                 5,984            3,006            3,007

  Income tax expense (Note 9)                                           2,341            1,058              946

  Minority interests                                                     (175)              --               --
                                                                       -------        --------         --------

  Earnings from continuing operations                                   3,468            1,948            2,061
                                                                       ------           ------           ------

Discontinued operations:
   Loss from  operations of discontinued  segment,  
   net of income tax benefit of $48, $13 and $19 in 
   1997, 1996 and 1995, respectively                                      (94)             (24)             (37)

   Estimated loss on disposal of discontinued segment,
   net of income tax benefit of $431 in 1997                             (836)              --                --
                                                                        ------        --------          --------

Net loss from discontinued operations                                    (930)             (24)             (37)
                                                                       -------        ---------         --------

Net earnings                                                           $2,538            1,924            2,024
                                                                       ======          =======          =======

</TABLE>

See accompanying notes to consolidated financial statements.

                                       A-3

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
                 CONSOLIDATED STATEMENTS OF EARNINGS, continued

(In thousands, except per share amounts)
<TABLE>
<CAPTION>

                                                                       1997             1996            1995
                                                                       ----             ----          ------

  <S>                                                                 <C>              <C>             <C>    
  Earnings per common share:

  Basic:
    Earnings from continuing operations                               $0.84             0.48            0.59

    Discontinued operations                                           (0.22)              --           (0.01)
                                                                     ------            -----           ------

       Net earnings                                                   $0.62             0.48            0.58
                                                                     ======            =====          ======

   Diluted:
    Earnings from continuing operations                               $0.81             0.46            0.54

    Discontinued operations                                           (0.22)              --           (0.01)
                                                                      -----            -----          ------

    Net earnings                                                      $0.59             0.46            0.53
                                                                      =====            =====          ======


  Basic weighted average shares
    outstanding                                                       4,106            4,025           3,480
                                                                      =====            ======         =======


  Diluted weighted average
    shares outstanding                                                4,241            4,219           3,798
                                                                      =====            ======         =======

</TABLE>

  See accompanying notes to consolidated financial statements.



                                       A-4

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
                           CONSOLIDATED BALANCE SHEETS


(In thousands, except share data)

                                                          December 31,
                                                     1997              1996


ASSETS

Current assets:
 Cash and cash equivalents                         $5,188             5,770
 Marketable securities (Note 2)                        --                29
 Trading account securities                           449               699
 Management fees and other receivables
   (Note 3)                                           815               512
 Income tax receivable                                 --               650
 Notes receivable - current (Note 4)                1,157             3,447
 Receivable from clearing broker                      543               279
 Prepaid expenses and other                           508               239
                                                    -----            ------
   Total current assets                             8,660            11,625



Notes receivable, less current portion
  (Note 4)                                          2,982               179
Property and equipment, net (Note 6)                1,830             1,781
Investment in affiliates (Note 13)                 15,611             9,657
Other assets                                          318             1,226
                                                   ------            ------
   Total assets                                   $29,401            24,468
                                                   ======            ======





See accompanying notes to consolidated financial statements.

                                       A-5
<PAGE>
                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
                     CONSOLIDATED BALANCE SHEETS, continued


(In thousands, except share data)


                                                        December 31,
                                                   1997              1996
LIABILITIES AND SHAREHOLDERS' EQUITY

Current liabilities:
 Current portion of long term obligations 
   (Note 6)                                       $  --               542
 Accounts payable - trade                           614               382
 Payable to clearing broker                         441                --
 Accrued compensation                               446               252
 Accrued expenses and other liabilities 
   (Note 7)                                       3,573             2,144
 Income taxes payable                               226                --
                                                  -----            ------
  Total current liabilities                       5,300             3,320

Net deferred income tax liability 
   (Note 9)                                         822               766
                                                  -----            ------
  Total liabilities                               6,122             4,086
                                                 ------            ------

Minority interest                                   175                --

Shareholders' equity:
 Preferred stock, $1.00 par value, 
   1,000,000 shares authorized                       --                --
 Common stock, $0.10 par value, 
   20,000,000 shares authorized; 4,160,861
   issued at 12/31/97 and 4,049,195 at 
   12/31/96                                         416               405
 Additional paid-in capital                       5,528             5,366
 Unrealized holding losses                           --            (   11)
 Retained earnings                               17,160            14,622
                                                 ------            ------

    Total shareholders' equity                   23,104            20,382
                                                 ------           -------

Commitments and contingencies
    (notes 6, 8, 10, 11 and 12)
 Total liabilities and shareholders' equity     $29,401            24,468
                                                =======            ======


See accompanying notes to consolidated financial statements.


                                       A-6

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
                      CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)
<TABLE>
<CAPTION>


                                                                                       Year Ended
                                                                                      December 31,
                                                                          -------------------------------------- 
                                                                          1997           1996              1995
                                                                          ----           ----              ----

<S>                                                                  <C>               <C>              <C>    
Cash flows from operating activities:
  Cash received from customers                                       $ 13,080           11,123           21,068
  Cash paid to suppliers and employees                                 (9,247)         (11,064)         (17,860)
  Change in trading account securities                                    250              315           (  353)
  Change in receivable from clearing broker                              (177)             501           (  289)
  Interest paid                                                           (21)           (  54)          (  124)
  Income taxes paid                                                      (772)           ( 611)          (  494)
  Interest, dividends and other investment proceeds                       219              459            1,322
                                                                       -------        --------          -------
    Net cash provided by operating activities                            3,332             669            3,270
                                                                       -------        --------          -------

Cash flows from investing activities:
  Payments for purchase of property and
    equipment                                                            (312)           ( 144)          (  483)
  Net decrease (increase) in marketable
    securities                                                              5            2,045           (  530)
  Investment in affiliates                                             (5,292)          (  244)              --
  Proceeds from sale of fixed assets                                       55               --               47
  Funds loaned to others                                                 (834)         ( 3,442)              --
  Proceeds from the sale of discontinued operation                         --               --               67
  Collection of notes receivable                                          109               --            1,119
  Proceeds from disolution of entity                                    1,000               --               --
  Proceeds from sale of 20% of subsidiary                               2,000               --               --
  Other                                                                   (82)              --               -- 
    Net cash provided by (used in) investing                           -------         --------          ------
      activities                                                       (3,351)         ( 1,785)             220
                                                                       -------         --------          ------


Cash flows from financing activities:
  Repayment of long-term obligations                                     (542)          (  163)          (  332)
  Acquisition of treasury stock                                          (337)          (  453)          (  125)
  Proceeds from exercise of stock options                                 316              704              499
                                                                       -------         -------           ------
    Net cash provided by (used in) financing activities                  (563)              88               42
                                                                       -------         -------           ------

Net change in cash and cash equivalents                                  (582)         ( 1,028)           3,532

Cash and cash equivalents at beginning of period                        5,770            6,798            3,266
                                                                        -----            -----           ------
Cash and cash equivalents at end of period                              5,188            5,770            6,798
                                                                        =====          =======           ======


</TABLE>

See accompanying notes to consolidated financial statements.

                                       A-7

<PAGE>
                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
                CONSOLIDATED STATEMENTS OF CASH FLOWS, continued
(In thousands)
<TABLE>
<CAPTION>
                                                                                     Year Ended
                                                                                   December 31,
                                                                      ---------------------------------------
                                                                      1997             1996             1995
                                                                      ----             ----             ----
<S>                                                                <C>               <C>              <C>    
Reconciliation of net earnings to net cash from 
 operating activities:

 Net earnings                                                      $ 2,538            1,923            2,024
Adjustments to reconcile net earnings to
  net cash from operating activities:
Depreciation and amortization                                          436              324              399
Minority interest in consolidated earnings                             175               --               --
Undistributed earnings of affiliate                                 (2,014)          (1,411)          (1,508)
Gain on sale or disposition of assets                               (2,032)              --              (72)
(Gain) loss on sale of securities                                       41             ( 81)            ( 50)
Change in federal income tax payable                                   876             (584)             301
Provision for deferred income tax                                       56              925               27
Change in trading securities                                           250              315             (353)
Change in receivable from clearing broker                              177              501             (289)
Change in management fees and other receivable                      (   26)              17            1,183
Change in prepaids and other current assets                          ( 191)              24              493
Change in long-term assets                                              --              265               --
Change in trade payable                                                 90               53            ( 456)
Change in accrued expenses and other liabilities                     1,547           (1,602)           1,571
Loss from discontinued operations                                    1,409               --               --
                                                                   -------           ------           ------

  Net cash from operating activities                              $  3,332              669            3,270
                                                                  ========           ======           ======
</TABLE>

Summary of non-cash transactions:

During 1997,  non-qualified employee stock options were exercised which resulted
in  a  reduction  of  income  tax  payable  and  a  corresponding   addition  to
paid-in-capital of $194.

During 1996,  non-qualified employee stock options were exercised which resulted
in a reduction  of income tax payable  and a  corresponding  addition to paid-in
capital of $624.

During the third  quarter,  1995, the investment in the Company by the Company's
affiliate,  Prime  Medical  Services,  Inc.,  became  immaterial.  Consequently,
Reciprocal  Stockholdings  fell  to  zero  while  the  Company's  investment  in
affiliate increased by $543.

The Company acquired $294,000 in treasury stock by exchanging  $294,000 in Prime
Medical Services, Inc. Common stock during 1995.

In 1995,  the  Company  sold APS  Communications  in a non-cash  transaction  as
follows:

         Note received                                                   $  183
                                                                         ======

         Fixed assets sold                                                 ( 48)
         Deferred income                                                   (135)
                                                                         $ (183)

See accompanying notes to consolidated financial statements.


                                       A-8

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
                 Consolidated Statements of Shareholders' Equity
                     For the years ended December 31, 1997,
                                  1996 and 1995


(In thousands, except share data)
<TABLE>
<CAPTION>

                                                              Additional     Unrealized                                    Total
                                          Common Stock           paid-in       holding     Retained        Reciprocal  shareholders'
                                   Shares          Amount        capital        gains      earnings     stockholdings     equity
                                   --------------  ---------  -------------  ------------- -----------  -------------- -------------
<S>                                 <C>              <C>          <C>              <C>      <C>                  <C>         <C>    
Balance January 1, 1995             3,471,684        $347        4,469              44      10,647               (543)      14,991
Net earnings                               --          --           --              --       2,024                 --        2,024
Unrealized gains on securities
    available for sale, net of tax         --          --           --             (44)         --                 --          (44)
Shares issued (Note 11)               314,333          31          468              --          --                 --          499 
Shares repurchased & 
   cancelled (Note 13)               (122,146)        (12)        (407)             --          --                 --         (419)

Pro rata portion of Company
   common stock held by
   affiliate (Note 13)                     --          --           --              --          --                543          543
                                   --------------  ---------  -------------  ------------- -----------  -------------- -------------
Balance December 31, 1995           3,663,871         366        4,530              --      12,698                 --       17,594

Net earnings                               --          --           --              --       1,924                 --        1,924
Unrealized loss on securities
   available for sale, net of tax          --          --           --             (11)         --                 --          (11)
Shares issued (Note 11)               450,000          45          659              --          --                 --          704
Shares repurchased &
   cancelled                          (64,676)         (6)        (447)             --          --                 --         (453)
Income tax benefit of non-
   qualified option exercises              --          --          624              --          --                 --          624
                                   --------------  ---------  -------------  ------------- -----------  -------------- -------------
Balance December 31, 1996           4,049,195         405        5,366             (11)     14,622                 --       20,382

Net earnings                               --          --           --              --       2,538                 --        2,538
Unrealized loss on securities
   available for sale, net of tax          --          --           --              11         --                  --           11
Shares issued (Note 11)               164,666          16          300              --         --                  --          316
Shares repurchased &
   cancelled                         ( 53,000)       (  5)        (332)             --         --                  --         (337)
Income tax benefit of
   non-qualified option
    exercises                              --          --          194              --          --                 --          194
                                   --------------  ---------- -------------  ------------- -----------  -------------- -------------
Balance December 31, 1997           4,160,861         416        5,528              --      17,160                 --       23,104
                                   ==============  ========== =============  ============= ===========  ============== =============
</TABLE>

See accompanying notes to consolidated financial statements.

                                       A-9

<PAGE>

                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1997, 1996 and 1995

(1)      Summary of Significant Accounting Policies

         (a)      General

                  American   Physicians   Service   Group,   Inc.   through  its
                  subsidiaries,   provides   financial   services  that  include
                  management of  malpractice  insurance  companies and brokerage
                  and investment  services to individuals and institutions.  The
                  brokerage   business   has   clients   nationally.   Insurance
                  management is a service  provided  primarily in Texas,  but is
                  available to clients  nationally.  American Physicians Service
                  Group,  Inc.  also owns  space in the  office  building  which
                  serves as its headquarters. Through its real estate subsidiary
                  it leases space that is surplus to its needs. During the three
                  years  presented  in  the  financial   statements,   financial
                  services  generated  approximately 89% of total revenues.  The
                  Company entered the physician practice  management business in
                  the  fourth  quarter  of  1997.  Operations  for  1997 are not
                  significant.

         (b)      Estimates

                  The  preparation  of financial  statements in conformity  with
                  generally accepted  accounting  principles required management
                  to make  estimates  and  assumptions  that affect the reported
                  amounts of assets and liabilities and disclosure of contingent
                  assets and liabilities at the date of the financial statements
                  and the reported  amounts of revenues and expenses  during the
                  reporting  period.  Actual  results  could  differ  from those
                  estimates.

         (c)      Principles of Consolidation

                  The consolidated  financial statements include the accounts of
                  American  Physicians  Service  Group,  Inc. and of  subsidiary
                  companies  more than 50%  owned  ("Company").  Investments  in
                  affiliated companies and other entities in which the Company's
                  investment is less than 50% of the common  shares  outstanding
                  and  where  the  Company  exerts  significant  influence,  are
                  accounted for by the equity method.

                  All significant  intercompany  transactions  and balances have
                  been eliminated from the accompanying  consolidated  financial
                  statements.

         (d)      Revenue Recognition

                  Financial  services  revenues  related to management  fees are
                  recognized  monthly as a percentage of the earned  premiums of
                  the managed  company.  The profit  sharing  component of these
                  fees is  recognized  when it is  reasonably  certain  that the
                  managed

                                      A-10

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued

(1)      Summary of Significant Accounting Policies, continued

                  company  will  have an  annual  profit.  Revenues  related  to
                  securities  transactions are recognized on a trade date basis.
                  Real estate rental income is recognized monthly based on lease
                  agreements.  Costs of leasehold  improvements  are capitalized
                  and amortized monthly over the term of the lease.

                  Investment  revenues are recognized as accrued on highly-rated
                  investments and as received on lesser grades.

         (e)      Broker, Dealer and Securities Transactions

                  Securities  transactions  are  recorded  in the  accounts on a
                  trade date basis.

         (f)      Marketable Securities

                  The Company's  investments  in debt and equity  securities are
                  classified in three categories and accounted for as follows:

                  Classification                     Accounting
                  -----------------            -------------------------------
                  Held to maturity             Amortized cost
                  
                  Trading  securities          Fair value,  unrealized  gains
                                               and losses included in earnings
                  
                  Available for sale           Fair value, unrealized gains and 
                                               losses excluded from earnings and
                                               reported as a separate component 
                                               of stockholders' equity, net of 
                                               applicable income taxes

                  The Company has  included  its  marketable  securities  in the
                  available for sale category.

         (g)      Property and Equipment

                  Property  and  equipment  are  stated  at cost.  Property  and
                  equipment  and  rental  property  are  depreciated  using  the
                  straight-line  method over the  estimated  useful lives of the
                  respective assets (3 to 40 years).

         (h)      Long-Lived Assets

                  Long-lived assets are reviewed for impairment  whenever events
                  or changes in circumstances  indicate that the carrying amount
                  may  not be  recoverable.  If the sum of the  expected  future
                  undiscounted  cash flows is less than the  carrying  amount of
                  the  asset,  a loss is  recognized  if there  is a  difference
                  between the fair value and carrying value of the

                                      A-11

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued

(1)      Summary of Significant Accounting Policies, continued

                  asset.

         (i)      Income Taxes

                  Deferred tax assets and  liabilities  are  recognized  for the
                  future tax  consequences  attributable to differences  between
                  the financial  statement  carrying  amounts of existing assets
                  and liabilities  and their  respective tax bases and operating
                  loss and tax  credit  carryforwards.  Deferred  tax assets and
                  liabilities  are measured  using enacted tax rates expected to
                  apply to taxable income in the years in which those  temporary
                  differences  are  expected to be  recovered  or  settled.  The
                  effect on deferred tax assets and  liabilities  of a change in
                  tax rates is  recognized in income in the period that includes
                  the enactment date.

         (j)      Earnings Per Share

                  Basic  earnings  per  share is based on the  weighted  average
                  shares  outstanding  without any diluted  effects  considered.
                  Diluted   earnings  per  share  reflects   dilution  from  all
                  contingently issuable shares, including options.

         (k)      Cash and Cash Equivalents

                  Cash and cash  equivalents  include  cash  and  highly  liquid
                  investments with an original maturity of 90 days or less.

         (l)      Notes Receivable

                  Notes  receivable  are recorded at cost,  less  allowances for
                  doubtful   accounts   when   deemed   necessary.   Management,
                  considering  current  information  and  events  regarding  the
                  borrowers ability to repay their obligations, considers a note
                  to be impaired  when it is probable  that the Company  will be
                  unable to collect all amounts due according to the contractual
                  terms of the note  agreement.  When a loan is considered to be
                  impaired,  the amount of the  impairment is measured  based on
                  the present value of expected future cash flows  discounted at
                  the note's  effective  interest  rate.  Impairment  losses are
                  included in the  allowance  for  doubtful  accounts  through a
                  charge to bad debt expense.  Cash  receipts on impaired  notes
                  receivable are applied to reduce the principal  amount of such
                  notes  until  the  principal   has  been   recovered  and  are
                  recognized as interest income, thereafter.




                                      A-12

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued



         (m)      Stock-Based Compensation

                  The  Company has adopted  the  disclosure-only  provisions  of
                  Statement  of   Financial   Accounting   Standards   No.  123,
                  Accounting for Stock-Based Compensation ("Statement 123"), but
                  applies Accounting Principles Board Opinion No. 25, Accounting
                  for Stock Issued to  Employees,  in  accounting  for its stock
                  option plans.

         (n)      Reclassification

                  Certain  reclassifications have been made to amounts presented
                  in previous years to be consistent with the 1997 presentation.

(2)      Marketable Securities

                  The Company holds various marketable  securities as short-term
                  investments.  At December 31, 1997 and 1996,  these marketable
                  securities consisted of:

                                                           December 31,
                                                    1997                1996
                                                  -------             -------
         Equity securities, at cost          $         --              45,000
         Debt securities, at cost                      --                  --
                                                 --------            --------
         Less: adjustment to fair value      $         --            ( 16,000)
                                                 --------            --------

         Total marketable securities at
           fair value                        $         --              29,000
                                                 ========            ========

         At December  31, 1996 there were  $16,000 in gross  unrealized  losses.
         There were no unrealized gains or losses at December 31, 1997 or 1995.

         Investment income includes the following:

                                       1997            1996             1995
                                     ---------      ----------       --------
         Interest                    $ 219,000         367,000        243,000
         Realized gains                     --          81,000         50,000
         Realized losses             (  41,000)             --             --
                                     ---------      ----------       --------
                                     $ 178,000         448,000        293,000
                                     =========        ========       ========



                                      A-13

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued



(2)      Marketable Securities, continued

         No individual  issuer exceeded 10% of shareholders'  equity at December
          31, 1997 or 1996.

(3)      Management Fees and Other Receivables

         Management fees and other receivables consist of the following:

                                                          December 31,
                                                       1997            1996
                                                       ----            ----
         Management fees receivable                $  3,000         256,000
         Trade accounts receivable                  200,000          16,000
         Less: allowance for doubtful accounts      (25,000)             --
         Accrued interest receivable                 10,000          12,000
         Other receivables                          627,000         228,000
                                                    -------         -------
                                                   $815,000         512,000
                                                   ========         =======

         The Company earns  management fees by providing for the full management
         of American Physicians  Insurance Exchange ("APIE") under the direction
         of APIE's doctor Board of  Directors.  Subject to the direction of this
         Board, FMI sells and issues policies, investigates, settles and defends
         claims,   and  otherwise  manages  APIE's  affairs.   The  Company  has
         previously managed other insurance companies.

         The  Company  earned  management  fees of  $6,287,000,  $5,942,000  and
         $5,660,000 and received expense  reimbursements  of $664,000,  $346,000
         and  $355,000 for the years ended  December  31,  1997,  1996 and 1995,
         respectively, related to these agreements.





                                      A-14

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued



(4) Notes Receivable

    Notes receivable consists of the following:
                                                              December 31,
                                                            1997           1996
                                                           -----          ----- 
    Reagan Publishing Company
      This  unsecured  note had an  original  
      rate of 7% and a maturity of December 31,
      1997. During 1997, the terms were renegotiated 
      with a payment schedule based on the sales 
      volume of the borrower, with certain annual 
      minimums. The note bears interest at the 
      prime rate (8.5% at December 31, 1997).             $176,000       183,000
      

    Consolidated Eco-Systems, Inc.
      This note is secured by 1,200,000 shares
      of Consolidated Eco-Systems, Inc. common
      stock and stock and certain assets of Con-Eco
      subsidiaries.  The note bears interest at 15%.
      Principal payments are monthly through
      October 1, 1999 at which time all remaining
      principal and accrued interest are due.            3,788,000     3,300,000

    Uncommon Care, Inc.
      This note is secured by land located in
      Fort Bend County, Texas.  The note bears
      interest at 10% and is due January 31, 1998.         300,000            --

    Employees
      Four employees have loans from the Company
      as employment inducements.The notes are non-
      interest bearing and are being forgiven and
      amortized monthly over three to four year 
      periods. The notes are due and payable should 
      the employees terminate employment.                  528,000       143,000
                                                        ----------     ---------
                                                         4,792,000     3,626,000

         Less allowance for doubtful accounts             (653,000)           --
                                                        ----------     ---------
                                                         4,139,000     3,626,000

         Less current portion                            1,157,000     3,447,000
                                                         ---------     ---------
         Long term portion                              $2,982,000       179,000
                                                        ==========    ==========


                                      A-15

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued

(4) Notes Receivable, continued


The Company's note  receivable from  Consolidated  Eco-Systems,  Inc.  (formerly
Exsorbet   Industries,   Inc.)   ("Con-Eco")   (NASDAQ:EXSO),    a   diversified
environmental  and  technical   services  company,   is  in  excess  of  10%  of
stockholder's  equity at December  31, 1997 and  represents a  concentration  of
credit  risk.  Con-Eco's  common  stock  sales price was $0.115 per share on the
basis of the average  high and low sales  price of the stock on March 17,  1998.
The Company  renegotiated  the debt with Con-Eco in November 1997. In connection
with the  renegotiation,  the Company extended the debt for two years and rolled
all accrued interest into the note, resulting in a total note for $3,788,000. No
interest income has been recognized by the Company.  Con-Eco provided additional
collateral to the Company in the form of stock of two  additional  subsidiaries,
and a second lien on all assets of one of these subsidiaries. Payments under the
new note were scheduled to begin on January 1, but were delayed until March 1998
with the Company's  consent.  It is anticipated that Con-Eco will be required to
sell certain assets in order to meet its  obligations  to the Company.  However,
the Company  believes its collateral  position is more than sufficient to ensure
ultimate repayment of the debt.

(5) Fair Value of Financial Instruments

Statement of Financial  Accounting  Standards No. 107,  "Disclosures  About Fair
Value of  Financial  Instruments"  (Statement  107),  requires  that the Company
disclose estimated fair values for its financial  instruments as of December 31,
1997 and 1996:

                                          1997                      1996
                                  ---------------------    --------------------
                                   Carrying       Fair      Carrying      Fair
                                    Amount        Value      Amount       Value

Cash and cash equivalents           $5,188        5,188       5,770       5,770
Marketable securities and trading
  account securities                   449          449         728         728
Management fees and other
  receivables                          815          815         512         512
Notes receivable                     4,139        4,119       3,626       3,594
Receivable from clearing broker        543          543         279         279
Debt                                    --           --         542         542
Accounts payable                       614          614         382         382

         Fair value estimates,  methods, and assumptions are set forth below for
         the Company's financial instruments.




                                      A-16

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              Notes to Consolidated Financial Statements, Continued

(5)      Fair Value of Financial Instruments, continued

         Cash and Cash Equivalents

         The carrying  amounts for cash and cash  equivalents  approximate  fair
         value  because  they  mature  in less  than 90 days and do not  present
         unanticipated credit concerns.

         Marketable Securities and Trading Account

         The fair value of  securities  owned is  estimated  based on bid prices
         published in  financial  newspapers  or bid  quotations  received  from
         securities  dealers.  The carrying values of marketable  securities are
         adjusted to market since such  securities are in the available for sale
         category.
         Trading account securities are carried at market value.

         Management Fees and Other Receivables

         The fair value of these receivables approximates the carrying value due
         to their short-term nature and historical collectibility.

         Notes Receivable

         The fair value of notes has been determined using discounted cash flows
         based on management's  estimate of current  interest rates for notes of
         similar credit quality.

         Receivable from Clearing Broker

         The carrying  amounts  approximate  fair value because the funds can be
         withdrawn on demand and there is no unanticipated credit concern.

         Debt

         The fair market value of debt  approximates  carrying value since it is
         primarily floating rate debt based on current market rates.

         Accounts Payable

         The fair value of the payable  approximates  carrying  value due to the
         short-term nature of the obligation.




                                      A-17

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued

(5)      Fair Value of Financial Instruments, continued

         Limitations

         Fair value  estimates  are made at a specific  point in time,  based on
         relevant  market   information  and  information  about  the  financial
         instrument.  Fair  value  estimates  are based on  existing  on-and-off
         balance sheet financial  instruments without attempting to estimate the
         value of  anticipated  future  business  and the  value of  assets  and
         liabilities  that  are  not  considered  financial  instruments.  Other
         significant  assets and liabilities  that are not considered  financial
         assets or  liabilities  include the deferred  tax assets,  property and
         equipment, investment in affiliates, other assets, accrued expenses and
         income tax payable. In addition,  the tax ramifications  related to the
         realization of the  unrealized  gains and losses can have a significant
         effect on fair  value  estimates  and have not been  considered  in the
         aforementioned estimates.

(6)      Property and Equipment

         Property and equipment consists of the following:
                                                     December 31,
                                                1997              1996
                                                ----              ----

         Office condominium                  $1,847,000         1,870,000
         Furniture and equipment              3,758,000         2,386,000
                                             ----------         ---------
                                              5,605,000         4,256,000
         Accumulated depreciation and
           amortization                       3,775,000         2,475,000
                                             ----------         ---------
                                             $1,830,000         1,781,000

         The Company owns  approximately  53,000 square feet in the  condominium
         building in which its principal offices are located.  The Company,  its
         subsidiaries and affiliates occupy approximately 31,000 square feet and
         the remainder is leased to third parties.  Rental income  received from
         third parties during the years ended  December 31, 1997,  1996 and 1995
         totaled approximately  $385,000,  $379,000 and $348,000,  respectively.
         Future  minimum  lease  payments to be received  under the terms of the
         office  condominium  leases are as  follows:  1998 -  $314,000;  1999 -
         $59,000 and none thereafter.

         At December 31, 1996 the office  building was security for a short term
         note payable in the amount of $542,000 due April 1997 with  interest at
         the prime rate. The note was paid in full in January 1997.



                                      A-18

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued






(7) Accrued Expenses and Other Liabilities

    Accrued expenses and other liabilities consists of the following:

                                                         1997              1996
                                                         ----              ----

         APS Systems disposition costs 
           (discontinued operations)                $1,138,000               --
         Taxes payable - other                          96,000           74,000
         Commissions payable                           287,000           18,000
         Deferred income                               280,000          339,000
         Health insurance and other claims
           payable                                      59,000           87,000
         Contractual/legal claims                    1,461,000        1,352,000
         Vacation payable                              102,000           77,000
         Funds held for others                          58,000           63,000
         Other                                          92,000          134,000
                                                    ----------       ----------
                                                    $3,573,000        2,144,000

(8)      Commitments and Contingencies

         The Company has guaranteed the future yield of a customer's  investment
         portfolio  beginning in January 1995 for up to a five and one-half year
         period.  Management  believes that the Company's  financial  statements
         adequately  provide for any loss that might occur under this agreement;
         however,  as  defined  in  AICPA  Statement  of  Position  94-6,  it is
         reasonably  possible that the  Company's  estimate of loss could change
         over the  remaining  term of the  agreement.  Management  is  unable to
         determine  the  range  of  potential  adjustment  since  it is based on
         securities markets, which are beyond its ability to control.

         The Company has  guaranteed  a loan in the amount of $85,000 for one of
         its  directors.  The  guarantee is  collateralized  by  securities  the
         Company believes sufficient to cover its potential liability.

         Rent expense  under all operating  leases for the years ended  December
         31,   1997,   1996  and  1995  was  $89,000,   $51,000  and   $103,000,
         respectively.  Future minimum payments for leases which extend for more
         than one year were $134,000 at December 31, 1997.

         The Company is involved in various  claims and legal  actions that have
         arisen in the ordinary  course of business.  The Company  believes that
         the liability provision in its financial statements

                                      A-19

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued



is sufficient to cover any  unfavorable  outcome related to lawsuits in which it
is currently named.  Management  believes that additional  liabilities,  if any,
arising from these  actions will not have a  significant  adverse  effect on the
financial  condition of the Company.  However,  due to the  uncertain  nature of
legal  proceedings,  the actual  outcome of these  lawsuits  may differ from the
liability provision recorded in the Company's financial statements.

(9) Income Taxes

    Income tax expense (benefit) consists of the following:

                                                Year Ended
                                               December 31,
                                       1997             1996              1995
                                      -----             -----             ----
    Continuing Operations
         Federal
            Current               $1,394,000           47,000           795,000
            Deferred                 777,000          938,000            46,000
         State                       170,000           73,000           105,000
    Discontinued Operation          (479,000)         (13,000)          (19,000)
                                   ---------         --------          --------
                                  $1,862,000        1,045,000           927,000
                                   =========        =========           =======

         A reconciliation  of expected income tax expense  (computed by applying
         the United States  statutory  income tax rate of 34% to earnings before
         income  taxes)  to  total  income  tax  expense  in  the   accompanying
         consolidated statements of earnings follows:

                                                    Year Ended
                                                    December 31,
                                          1997            1996             1995
                                         -----           -----            -----
    Expected federal income tax
      expense                       $ 1,556,000         972,000       1,003,000
    State taxes                         170,000          73,000         105,000
    Other, net                          136,000              --        (181,000)
                                     ----------        --------       ---------
                                     $1,862,000       1,045,000         927,000
                                     ==========       =========        ========

         Deferred tax assets are primarily  the result of temporary  differences
         related to  accounting  for reserves for losses,  amounts  expensed for
         financial purposes  not deductible  currently for tax  purposes,  fixed
         assets (primarily  differences  in methods of  depreciation)  and  
         investments (primarily related to valuation allowances) for tax and 
         book purposes.

         The tax effect of temporary  differences that gives rise to significant
         portions  of  deferred  tax  assets and  deferred  tax  liabilities  at
         December 31, 1997 and 1996 are presented below:

                                      A-20

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued






(9) Income Taxes, continued
                                                         1997              1996
                                                        -----             -----
    Deferred tax assets:
    Net operating loss carryforwards                $  188,000               --
    Marketable securities write downs 
      not taken for tax purposes                            --           13,000

                                                          
    Accrued expenses                                 1,015,000          676,000
    Accounts receivable, principally due
      to allowance for doubtful accounts                79,000           60,000
    Deferred income                                    228,000           30,000
    Other                                               71,000           19,000
                                                     ---------         --------
    Total gross deferred tax assets                  1,581,000          798,000

    Less valuation allowance                          (188,000)              --
                                                     ---------         --------
    Net deferred tax assets                          1,393,000          798,000
                                                     ---------         --------
    Deferred tax liabilities:
    Investment in Prime Medical Services, Inc.
      due to use of equity method for books         (2,158,000)      (1,512,000)
    Capitalized expenses, principally due to
      deductibility for tax purposes                (   57,000)      (   52,000)
                                                    ----------       ----------
        Total gross deferred tax liabilities       ( 2,215,000)      (1,564,000)
                                                    ----------       ----------
    Net deferred tax liability                     ($  822,000)      (  766,000)
                                                     ==========       ==========

         The  valuation  allowance for deferred tax assets as of January 1, 1997
         was $0. The net change in the total  valuation  allowance for the years
         ended  December  31, 1997 and 1996 was an increase of $188,000  and $0,
         respectively.  The Company  believes  that the  valuation  allowance at
         December 31, 1997 is necessary due to  uncertainties  regarding the use
         of the net operating loss carryforwards from separate return years of a
         subsidiary acquired in 1997.

         At December 31, 1997,  net operating  loss  carryforwards  available to
         reduce future taxable  income  amounted to  approximately  $554,000 and
         expire from years 2011 to 2012.

         Based upon the level of historical  taxable income and  projections for
         future  taxable  income over the periods  which the deferred tax assets
         are deductible, management believes it is more likely

                                      A-21

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued

         than not the  Company  will  realize the  benefits of these  deductible
         differences,  net of the existing valuation  allowances at December 31,
         1997.

(10)     Employee Benefit Plans

         The Company has an  employee  benefit  plan  qualifying  under  Section
         401(k)  of the  Internal  Revenue  Code  for  all  eligible  employees.
         Employees   become  eligible  upon  meeting  certain  service  and  age
         requirements.  Employees  may defer up to 15% (not to exceed  $9,500 in
         1997) of their annual  compensation under the plan. The Company, at its
         discretion,  may  contribute  up to  200%  of the  employees'  deferred
         amount.  For  the  years  ended  December  31,  1997,  1996  and  1995,
         contributions  by  the  Company  aggregated  $92,000,   $104,000,   and
         $100,000, respectively.

(11)     Stock Options

         The  Company  has  adopted,  with  shareholder   approval,   the  "1995
         Non-Employee  Directors Stock Option Plan"  ("Directors  Plan") and the
         "1995  Incentive  and  Non-Qualified  Stock  Option  Plan"  ("Incentive
         Plan").  The Directors  Plan provides for the issuance of up to 200,000
         shares  of  common  stock to  non-employee  directors  who serve on the
         Compensation Committee. The Incentive Plan provides for the issuance of
         up to 800,000 shares of common stock to directors and key employees.

         The exercise price for each non-qualified option share is determined by
         the Compensation Committee of the Board of Directors ("the Committee").
         The exercise price of a qualified  incentive  stock option had to be at
         least 100% of the fair market value of such shares on the date of grant
         of the option.  Under the Plans, option grants are limited to a maximum
         of ten year terms,  however,  the  Committee  has issued all  currently
         outstanding  grants with five year terms. The Committee also determines
         vesting for each option grant and all outstanding options vest in three
         equal annual installments beginning one year from the date of grant.

         The Company has adopted the disclosure-only  provisions of Statement of
         Financial  Accounting  Standards No. 123,  Accounting  for  Stock-Based
         Compensation ("Statement 123"), but applies Accounting Principles Board
         Opinion No. 25, Accounting for Stock Issued to Employees, in accounting
         for its  stock  option  plans.  No cost from  stock-based  compensation
         awards was recognized in 1997, 1996 or 1995. If the Company had elected
         to recognize  compensation  cost of options  granted  based on the fair
         value at the grant dates, consistent with Statement 123, net income and
         earnings  per  share  would  have  changed  to the  pro  forma  amounts
         indicated below:

                                              Year Ended December 31,
                                         1997           1996             1995
                                        -----          -----            -----
          Pro forma net income      $1,989,000      1,634,000        1,991,000


                                      A-22

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              Notes to Consolidated Financial Statements, Continued

(11) Stock Options, continued

     Pro forma earnings per share - basic      $0.48        0.41          0.57
                                  - diluted    $0.46        0.39          0.52

         The fair value of the options used to compute the pro forma  amounts is
         estimated  using the  Black-  Scholes  option  pricing  model  with the
         following assumptions:

                                         1997           1996          1995
                                         ----           ----          ----
           Risk-free interest rate       6.16%          6.06%         6.41%
           Expected holding period       3.90 years     3.75 years    3.75 years
           Expected volatility           .480           .692          .590
           Expected dividend yield         -0-            -0-           -0-

         Statement  123  calls for a  prospective  application  of  compensation
         relating  to the grant of stock  options  and,  consequently  pro-forma
         financial information may not be indicative of future amounts until the
         new rules are applied to all outstanding nonvested awards.

         Presented below is a summary of the stock options held by the Company's
         employees  and  directors  and the related  transactions  for the years
         ended December 31, 1997, 1996 and 1995.  Remaining options  outstanding
         from the Company's previous 1983 plans are included.
<TABLE>
<CAPTION>

                                                   Year ended December 31
                                -----------------------------------------------------------------------------
                                       1997                          1996                        1995
                                ---------------------          -----------------        ---------------------
                                             Weighted                  Weighted                      Weighted
                                             Average                   Average                        Average
                                             Exercise                  Exercise                      Exercise
                                Shares       Price           Shares    Price               Shares       Price

<S>                              <C>         <C>              <C>        <C>              <C>           <C>          
Balance at January 1             651,000     $5.64            837,000    $2.18            921,000       $1.57
Options granted                  293,000      9.32            295,000     9.32            235,000        3.82
Options exercised                165,000      1.92            450,000     1.56            314,000        1.59
Options forfeited/expired          5,000      7.13             31,000     6.16              5,000        2.45
                                 -------     -----            -------   ------           --------      ------
Balance at December 31           774,000      6.60            651,000     5.64            837,000        2.18
                                 =======    ======            =======    =====            =======      ------
Options exercisable              244,000    $5.84             258,000    $2.22            550,000       $1.48
                                 =======    =====             =======    =====            =======       =====
</TABLE>

         The weighted  average fair value of Company stock  options,  calculated
         using the Black Scholes option pricing model,  granted during the years
         ended  December 31, 1997,  1996 and 1995 is $2.68,  $5.15 and $1.75 per
         option, respectively.




                                      A-23

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued


(11) Stock Options, continued

     The following table  summarizes the Company's  options  outstanding and
     exercisable options at December 31, 1997:
<TABLE>
<CAPTION>

                                      Stock Options                                      Stock Options
                                       Outstanding                                        Exercisable
                         --------------------------------------------            -----------------------------
                                        Average           Weighted                                Weighted
                                        Remaining         Average                                 Average
Range of                                Contractual       Exercise                                Exercise
Exercise Prices          Shares         Life              Price                   Shares          Price
                         ------         ---------         --------                -------         --------- 

<S>                      <C>            <C>               <C>                     <C>              <C>               
$2.25 to $5.00           185,000        2.2 years          3.09                   142,000           3.01
$5.01 to $7.75           356,000        4.3 years          6.19                    26,000           6.73
$7.76 to $10.50          233,000        3.5 years         10.00                    76,000          10.05
                         -------        ---------         -----                   -------          -----
Total                    774,000                                                  244,000
                         =======                                                  =======
</TABLE>

(12)     Discontinued Operations

         The Company,  through its wholly owned  subsidiary,  APS Systems,  Inc.
         ("APS Systems"),  had previously  developed software and marketed it to
         medical  clinics and medical  schools.  This  business  segment  became
         unprofitable  in 1996. A joint  venture with a software  developer  was
         formed  in  1996  with  a  plan  to  develop  new  products,   but  was
         discontinued  in 1997  when it was  determined  that the  high  cost of
         developing   competitive  products  precluded  an  adequate  return  on
         investment. Subsequently, the Company ceased marketing the software and
         reduced the scope of APS  Systems'  operations  to a level  adequate to
         service  existing  clients  through the terms of their  contracts.  The
         Company  has  assumed  that all  clients  will have  migrated  to other
         software  products by the end of 1999 and has  reflected  the  expected
         financial  impact of  discontinuing  this  segment  on that date in the
         current  financial  statements.  The  measurement  date for determining
         expected losses from the disposal was May 15, 1997.

         Net  assets/(liabilities)  of the  discontinued  computer  systems  and
         software segment as of December 31, 1997 consisted of the following:

                    Cash and cash investments                 $  25,000
                    Trade accounts receivable                   174,000
                    Other receivables                             2,000
                    Prepaid and other current assets             61,000
                    Fixed assets, net of depreciation            93,000
                    Intercompany receivables                    769,000
                    Trade accounts payable                       (5,000)
                    Accrued expenses                         (1,195,000)
                                                            -----------
                    Net liabilities                          ($  76,000)
                                                            ===========

                                      A-24

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued

(12) Discontinued Operations, continued

       On October 23, 1995 the Company sold  substantially  all of the assets of
          APS  Communications  Corporation,  a  publisher  of  Spanish  language
          directories  of U. S.  businesses.  The Company  received cash, a note
          (see Note 4) and had certain liabilities assumed by the purchaser. The
          gain on the sale, to be recognized  on the  installment  basis as note
          payments  are  received,   will  not  be  material  to  the  Company's
          operations.  No gain  has been  recognized  through  1997.  Historical
          results  from  the  operation   are  presented  in  the   Consolidated
          Statements of Earnings as "Loss from discontinued operations."

(13) Investment in Affiliates

         On October 12, 1989, the Company  purchased for cash  3,540,000  shares
         (42%) of the  common  stock of Prime  Medical  Services,  Inc.  ("Prime
         Medical"). Members of the Company's Board currently serve as two of the
         eight directors of Prime Medical.  Prime Medical  provides  non-medical
         management  services to lithotripsy  centers.  In conjunction  with the
         acquisition of additional  lithotripsy operations in June 1992, October
         1993, and May 1996, the outstanding  shares of Prime Medical increased.
         These  increases  plus the sale of Prime  Medical  shares  owned by the
         Company under an option  agreement  reduced the Company's  ownership to
         16% of the  outstanding  common stock of Prime  Medical.  The Company's
         investment in Prime  Medical is accounted for using the equity  method.
         The 3,064,000  shares of Prime Medical common stock held by the Company
         had an  approximate  market value of  $42,328,000  (carrying  amount of
         $11,266,000)  at December 31, 1997 based on the market closing price of
         $13.8125 per share.

         At December 31, 1997 and 1996, the Company's retained earnings included
         undistributed  earnings, net of deferred tax, of Prime Medical totaling
         $4,379,000 and $2,821,000, respectively.

         The  condensed  balance  sheet and  statement of  operations  for Prime
Medical follow:

              CONDENSED BALANCE SHEET AT DECEMBER 31, 1997 AND 1996

                                                 1997                1996
                                                 ----                ----

        Current assets                     $ 47,542,000           40,073,000
        Long-term assets                    178,284,000          157,680,000
                                            -----------          -----------
          Total assets                     $225,826,000          197,753,000
                                           ============          ===========

        Current liabilities                $ 37,383,000           31,555,000
        Long-term liabilities                96,379,000           89,771,000
        Shareholders' equity                 92,064,000           76,427,000
                                             ----------          -----------
          Total liabilities and equity     $225,826,000          197,753,000
                                           ============          ===========


                                      A-25

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued

(13)     Investment in Affiliates, continued

              CONDENSED STATEMENT OF OPERATIONS FOR THE YEARS ENDED
              DECEMBER 31, 1997 AND 1996

                                           1997                    1996
                                           ----                    ----

        Total revenue                $ 95,979,000             72,404,000
                                     ============             ==========
        Net income                   $ 14,856,000              8,961,000
                                     ============             ==========

         The Company  exchanged  575,000 shares of Prime stock for notes payable
         from Prime amounting to $593,750,  one half in April 1993 and the other
         half in July 1995. The gain  resulting from the difference  between the
         market value of the Prime stock and the Company's carrying basis of the
         stock was not significant. The Company subsequently exchanged the notes
         for 87,000  shares in 1995 and 90,000  shares in 1993 of its own common
         stock (at current  market  value at  exchange  date) which was owned by
         Prime.

         On October 1, 1997, the Company formed Syntera  HealthCare  Corporation
         ("Syntera") with an initial  ownership of 85%.  Syntera  specializes in
         the management of OB/GYN and related  medical  practices.  In a typical
         transaction,  Syntera acquires the non-medical  assets of a physician's
         practice,  signs a long-term  management contract with the physician to
         provide all of the non-medical requirements of the practice,  including
         personnel,  office space, billing and collection,  and other day-to-day
         operating functions. In turn, Syntera is paid a variable management fee
         that rewards the efficient operation and the expansion of the practice.
         The  Company  expects  to reduce  its  ownership  (currently  74%) to a
         minority level as it exchanges  stock for practice  assets.  Due to the
         short time frame anticipated for this change in ownership to occur, the
         Company has accounted for its ownership on the equity basis in 1997.

         The condensed  balance  sheet and  statement of operations  for Syntera
           follows:

         Condensed balance sheet at December 31, 1997

         Current assets                                               $4,563,000
         Long-term assets                                              1,664,000
                                                                      ----------
              Total assets                                            $6,227,000
                                                                      ==========

         Current liabilities                                           $ 505,000
         Long-term liabilities                                                --
         Shareholders' equity                                          5,722,000
                                                                      ----------
              Total liabilities and equity                            $6,227,000
                                                                      ==========


                                      A-26

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued

(13)     Investment in Affiliates, continued

         Condensed statement of operations for the year ended December 31, 1997

         Total revenue                                                 $ 297,000
                                                                       =========
         Net loss                                                      $ 460,000
                                                                       =========

(14)     Segment Information

         The Company's financial services segment includes financial  management
         for an insurance  company that provides  insurance  coverage to doctors
         and hospitals, and brokerage and investment services to individuals and
         institutions.

         Real Estate income is derived from the leasing of office space.


                                          1997            1996            1995
                                          ----            ----            ----
 Operating Revenues:
   Financial services                $12,013,000       9,244,000     14,134,000
   Real estate                           704,000         717,000        668,000
                                      ----------       ---------     ----------
                                     $12,717,000       9,961,000     14,802,000
                                     ===========       =========     ==========

 Operating Profit (Loss):
   Financial services                 $2,877,000       1,122,000      2,118,000
   Real estate                           198,000         147,000         96,000
                                       ---------       ---------    -----------
                                       3,075,000       1,269,000      2,214,000
                                       ---------       ---------    -----------
 Corporate investment and other
   income                                348,000         476,000      1,322,000
 Corporate expenses                   (1,352,000)       (150,000)    (2,037,000)

 Equity in earnings of affiliates      2,014,000       1,411,000      1,508,000

 Gain on sale of interest in 
    subsidiary                         1,899,000              --             --
                                       ---------      ----------      ---------

 Earnings from continuing operations
   before income taxes and minority 
   interests                           5,984,000       3,006,000      3,007,000

 Income tax expense                    2,341,000       1,058,000        946,000
                                       ---------       ---------      ---------

 Minority interests                     (175,000)             --             --
                                       ---------       ---------      ---------

 Earnings from continuing 
   operations                          3,468,000       1,948,000      2,061,000
                                       ---------       ---------      ---------

                                      A-27

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued




                                        1997            1996             1995
                                        ----            ----             ----
Net loss from discontinued 
  operations, net of income 
  tax benefit                        (930,000)         (24,000)        ( 37,000)
                                     --------          -------         --------

Net earnings                      $ 2,538,000        1,924,000        2,024,000
                                  ===========       ==========        =========

Identifiable assets:
  Financial services              $20,984,000       11,667,000       11,816,000
  Real estate                       1,283,000        1,476,000        1,578,000
  Corporate                         6,778,000       11,325,000        8,614,000
  Discontinued Operations             356,000               --        1,732,000
                                   ----------       ----------        ---------
                                  $29,401,000       24,468,000       23,740,000
                                  ===========       ==========       ==========

Capital expenditures:
  Financial service              $   187,000           88,000           262,000
  Real estate                             --           21,000            64,000
  Corporate                           26,000           17,000            73,000
  Discontinued operations             99,000           18,000            84,000
                                    --------          -------           -------
                                 $   312,000          144,000           483,000
                                    ========          =======           =======

Depreciation/amortization 
expenses:
  Financial services             $   150,000          164,000           164,000
  Real estate                        110,000          129,000           126,000
  Corporate                           62,000           13,000             9,000
  Discontinued operations             56,000           24,000           100,000
                                     -------          -------           -------
                                 $   378,000          330,000           399,000
                                     =======          =======           =======

Revenues attributable to customers generating greater than 10% of the
  revenues of each segment:

   Financial services
   Company A                             49%              61%               35%
   Company B                             --               --                10%
   Company C                             --               --                11%
                                     ------            -----               ----
                                         49%              61%               57%
                                        ===              ===               ===

         At December 31, 1997 the Company had long-term contracts with company A
         and was  therefore  not  vulnerable  to the risk of a near-term  severe
         impact from a reasonably possible loss of the revenue.

                                      A-28

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued



(14)     Segment Information, continued

         Operating profit is operating revenues less related expenses and is all
         derived from domestic operations.  Identifiable assets are those assets
         that  are  used in the  operations  of  each  business  segment  (after
         elimination of investments in other segments). Corporate assets consist
         primarily of cash and cash investments, marketable securities and notes
         receivable.

(15)     Earnings per Share

         Statement of Financial  Accounting  Standards  No. 128,  "Earnings  per
         Share",   specifies  new   measurement,   presentation  and  disclosure
         requirements  for  earnings  per share and is  required  to be  applied
         retroactively  upon initial adoption.  The Company has adopted SFAS No.
         128 effective  with the release of December 31, 1997 earnings data, and
         accordingly, has restatated herein all previously reported earnings per
         share data.  Basic earnings per share is based on the weighted  average
         shares outstanding without any dilutive effects  considered.  Diluted
         earnings per share  reflects  dilution from all  contingently  issuable
         shares,  including  options and covertible  debt. A  reconciliation  of
         income and average shares  outstanding used in the calculation of basic
         and diluted earnings per share from continuing operations follows:

                                       For the Year Ended December 31, 1997
                                          Income         Shares        Per-Share
                                        (Numerator)    (Denominator)    Amount
                                        ----------      -----------    ---------
Earnings from continuing 
operations                              $3,468,000

Basic EPS
 Income available to common
 stockholders                            3,468,000        4,106,000        $.84
                                                                            === 

Effect of Dilutive Securities
 Options                                        --          114,000
 Contingently issuable shares           (   18,000)          21,000
                                        ----------          -------

Diluted EPS
 Income available to common
 stockholders and assumed 
 conversions                            $3,450,000        4,241,000        $.81
                                        ==========        =========         ===


                                      A-29

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued





(15) Earnings per Share, continued

                                         For the Year Ended December 31, 1996
                                     Income          Shares           Per-Share
                                   (Numerator)    (Denominator)         Amount
                                   ----------     -----------         ---------
Earnings from continuing 
operations                         $1,948,000

Basic EPS
 Income available to common
 stockholders                       1,948,000        4,025,000             $.48
                                                                            === 
               

Effect of Dilutive Securities
 Options                                   --          194,000
                                    ---------         --------

Diluted EPS
 Income available to common
 stockholders and assumed 
 conversions                       $1,948,000        4,219,000             $.46
                                   ==========       ==========             ====


                                          For the Year Ended December 31, 1995
                                     Income            Shares         Per-Share
                                   (Numerator)      (Denominator)       Amount
                                    ---------        -----------      ---------
Earnings from continuing 
operations                         $2,061,000

Basic EPS
 Income available to common
 stockholders                       2,061,000         3,480,000            $.59
                                                                           ====

Effect of Dilutive Securities
 Options                                   --           318,000
                                    ---------         ---------

Diluted EPS
 Income available to common
 stockholders                      $2,061,000         3,798,000            $.54
                                    =========         =========            ====

         At December 31, 1997 the Company's affiliate Syntera had issued 166,000
         shares  which are  convertible  into  122,000 of the  Company's  common
         shares in the event that the Syntera shares are not publicly- tradeable
         by May 1, 1999.

                                      A-30

<PAGE>


                     AMERICAN PHYSICIANS SERVICE GROUP, INC.
              NOTES TO CONSOLIDATED FINANCIAL STATEMENTS, Continued



(15)     Earnings per Share, continued

         Unexercised  employee  stock options to purchase  304,500,  282,000 and
         10,000  shares of the  Company's  common stock as of December 31, 1997,
         1996 and 1995,  respectively,  were not included in the computations of
         diluted EPS because the  options'exercise  prices were greater than the
         average  market  price  of  the  Company's   common  stock  during  the
         respective periods.

(16)     Subsequent Events

         On  March  20,  1998  the  Company  purchased  non-voting   convertible
         preferred stock of Uncommon Care, Inc. ("Uncommon Care"). Uncommon Care
         is a developer and operator of dedicated  Alzheimer's  care facilities.
         The shares,  purchased for  approximately  $2,000,000,  are convertible
         into  approximately 34% of Uncommon Care's equity. The Company has also
         agreed to  provide a line of credit to  Uncommon  Care in the amount of
         $2,400,000.  The loan will bear interest at 10%, payable quarterly, and
         is due in March 2003.


                                      A-31


                                                                 Exh. 10.26
                            STOCK PURCHASE AGREEMENT

                                With Respect to
                                Common Stock of

                         APS PRACTICE MANAGEMENT, INC.


                        Effective Date: October 1, 1997



<PAGE>


STOCK PURCHASE AGREEMENT


This Stock Purchase  Agreement (this Agreement") is entered into effective as of
the close of  business  on October 1, 1997 (the  Effective  Time),  between  APS
Practice Management,  Inc., a Texas corporation (Seller), MichaelR. Beck (Beck),
John R. Hedrick  (Hedrick)  and those  persons and entities  listed on Exhibit-A
hereto (such persons and entities are  hereinafter  collectively  referred to as
the Purchasers and individually as a Purchaser).  Beck and Hedrick are also each
referred to herein as a Shareholder and collectively as the Shareholders.

The parties hereto agree as follows:


ARTICLE I
Agreement of Purchase and Sale and Closing TC "ARTICLE I - Agreement of Purchase
and Sale and Closing"

1.1       PURCHASE  AND  SALE.  Upon  the  basis  of  the   representations  and
          warranties,for  the  consideration,  and  subject  to  the  terms  and
          conditions  set  forth in this  Agreement,  Seller  agrees  to sell to
          Purchasers  and  Purchasers  agree to  purchase  from  Seller,  in the
          aggregate,  two million (2,000,000) shares of common stock, $0.001 par
          value per share, (collectively, the Shares) of Seller, allocated among
          Purchasers as set forth on Exhibit-A.

1.2       PURCHASE PRICE. The aggregate  purchase price (the Purchase Price) for
          the Shares shall be five million  dollars  ($5,000,000)  to be paid in
          cash or wired  funds at the  Closing  (the  Closing  Payment),  by the
          applicable Purchasers as described on Exhibit-A.

1.3       CLOSING.
          The closing of the  transactions  contemplated  by this Agreement (the
          Closing) shall take place at the offices of Akin, Gump, Strauss, Hauer
          & Feld, L.L.P.,  816Congress Avenue,  Suite 1900, Austin, Texas 78701,
          and shall be effective as of the Effective Time. The date on which the
          Closing occurs is hereinafter referred to as the Closing Date.


                                   ARTICLE II
                     REPRESENTATIONS AND WARRANTIES OF APSG

Each  Purchaser  (as to  themselves  only  and  not as to any  other  Purchaser)
represents  and  warrants to the Sellers that each of the  following  matters is
true and correct in all respects as of the Closing Date (with the  understanding
that Seller and the Shareholders are relying materially on such  representations
and  warranties  in  entering  into  and  performing  this   Agreement),   which
representations  and  warranties  shall also be deemed made as of the  Effective
Time and which shall survive the Closing and not be merged therein:

2.1 DUE ORGANIZATION AND  AUTHORIZATION . Such Purchaser has all necessary power
and  authority to carry on its business as now  conducted  and to enter into and
perform  this  Agreement  and each  other  agreement,  instrument  and  document
required to be executed by such Purchaser in connection herewith. This Agreement
and each  other  agreement,  instrument,  and  document  required  herein  to be
executed by such Purchaser have been duly and validly  authorized,  executed and
delivered by such Purchaser and constitute the valid and binding  obligations of
such Purchaser  enforceable against it in accordance with its terms,  subject to
bankruptcy, insolvency, conservatorship,  receivership and other similar laws of
general application affecting the rights and remedies of creditors.
<PAGE>

2.2  INVESTMENT  INTENT.  Such Purchaser (a) is acquiring the Shares for its own
account  for  investment  and  not  with  a  view  to or in  connection  with  a
distribution,  within the meaning of the Securities Act of1933,  as amended (the
Act)  thereof,  (b) will not sell or transfer the Shares  unless such Shares are
registered  under  the  Act or  such  sale  or  transfer  is  exempt  from  such
registration  requirements,  (c) is  able  to  bear  the  economic  risk  of its
acquisition of the Shares and (d) has such knowledge and experience in financial
and  business  matters  that it is  capable  of  evaluating  the  merits of, and
protecting its interests with respect to, its acquisition of the Shares.


                                  ARTICLE III
                    REPRESENTATIONS AND WARRANTIES OF SELLER


Seller and each of the Shareholders, jointly and severally, hereby represent and
warrant to each Purchaser that the following matters are true and correct in all
respects as of the Closing Date (with the  understanding  that each Purchaser is
relying materially on each such representation and warranty in entering into and
performing this Agreement),  which  representations and warranties shall also be
deemed made as of the Effective Time and which shall survive the Closing and not
be merged therein:

3.1 DUE ORGANIZATION.  Seller is a corporation duly organized, validly existing,
and in good standing under the laws of the State of Texas and has full power and
authority  to carry on its  business  as now  conducted  and as  proposed  to be
conducted.  Complete  and  correct  copies of Sellers  current  Certificate  and
Articles of Incorporation and Bylaws are attached hereto as Exhibit-B. Seller is
qualified  to do  business  and is in good  standing  in Texas,  and in no other
state.

3.2 SUBSIDIARIES
          Seller does not directly or indirectly have, or possess any options or
          other rights to acquire,  any subsidiaries,  or any direct or indirect
          ownership  interest,  in whole or in part,  in any  person,  business,
          corporation,  partnership,  limited  liability  company,  association,
          joint venture, trust, or other entity.

3.3 DUE AUTHORIZATION.  Each Shareholder and Seller represents and warrants that
(i)they have full power and  authority to enter into and perform this  Agreement
and each other agreement,  instrument,  and document  required to be executed by
them in connection  herewith;  (ii)the execution,  delivery,  and performance of
this Agreement and such other agreements,  instruments,  and documents have been
duly authorized by all necessary action of Seller;  (iii)this Agreement has been
duly and validly executed and delivered by the Seller and the Shareholders,  and
constitutes  a valid  and  binding  obligation  of Seller  and the  Shareholders
enforceable  against them in accordance  with its terms,  subject to bankruptcy,
insolvency,  conservatorship,  receivership  and other  similar  laws of general
application  affecting the rights and remedies of creditors;  (iv)the execution,
delivery,  and  performance  of  this  Agreement,   and  each  other  agreement,
instrument  and  document  required  herein to be executed by Seller  and/or the
Shareholders  does not (a)  cause any of them to  violate  any  federal,  state,
county, or local law, rule, or regulation applicable to them, (b)cause Seller or
any Shareholder to violate,  or conflict with or permit the cancellation of, any
agreement to which Seller or Shareholder is a party,  or by which they or any of
their  respective  properties are bound,  or result in the creation of any lien,
security  interest,  charge,  or encumbrance  upon any of such  properties,  (c)
permit the  acceleration of the maturity of any indebtedness of, or indebtedness
secured by the property of, any  Shareholder  or Seller,  or (d) cause Seller or
any  Shareholder  to violate,  or conflict  with any provision of, the documents
creating or governing the  Shareholder;  and (v) no action,  consent,  waiver or
approval  of, or filing  with,  any  governmental  authority  is required by any
Shareholder or Seller in connection with the execution, delivery, or performance
of this  Agreement  (or any agreement or other  document  executed in connection
herewith  by such  Shareholder  or  Seller).  Notwithstanding  anything  in this
Agreement to the contrary,  each  Shareholder is making the  representations  in
this Section 3.3 as to themselves  only (and as to Seller where  applicable) and
is not making any  representation or warranty with respect to any of the matters
addressed in this Section 3.3 relating to any other Shareholder.
<PAGE>

3.4       CAPITAL  STOCK . The  authorized
          shares of all classes of capital stock of Seller  consist of fifty-one
          million  two  hundred  twenty-two  thousand  two  hundred  twenty-four
          (51,222,224) shares, consisting of and divided into:

(i)       On class of fifty million (50,000,000) shares of common stock, $0.001
          par value per share;

(ii)      One class of two hundred twenty-two  thousand two hundred  twenty-four
          (222,224) shares of serial founders common stock, $0.001 par value per
          share (the Serial Founders Common Stock); and

(iii)     One class of one million (1,000,000) shares of serial senior preferred
          stock, $0.001 par value per share.

All shares of the Serial  Founders  Common Stock have been validly issued to the
Shareholders,  consisting  of 111,112  shares of Serial  Founders  Common  Stock
issued to Beck and 111,112  shares of Serial  Founders  Common  Stock  issued to
Hedrick.  No other  shares of any class of Sellers  capital  stock are issued or
outstanding.

All shares of Serial Founders Common Stock are duly authorized,  validly issued,
outstanding,  fully  paid,  and  non-assessable,  and all such  shares are owned
beneficially  and of record by the  Shareholders,  free and clear of all  liens.
There are no outstanding  securities,  obligations,  conversion or other rights,
subscriptions,  warrants,  options,  phantom stock  rights,  or (except for this
Agreement)  other contracts of any kind that give any person or entity the right
to (a)purchase or otherwise  receive or be issued any shares of capital stock of
Seller  or  any  security  or  obligation  of  any  kind   convertible  into  or
exchangeable  for any shares of  capital  stock of Seller,  or (b)  receive  any
benefits  or rights  that are  similar to those  enjoyed by or  accruing  to any
holder of any of the Shares or the Serial Founders Common Stock, or that entitle
the holder to  participate  in the equity,  income or election of  directors  or
officers of Seller.  Notwithstanding the foregoing sentence,  the parties hereto
acknowledge  that the  rights  and  preferences  of the  holders  of the  Serial
Founders  Common Stock,  as set forth in that certain  designation of rights,  a
complete  and  correct  copy of which  is  attached  hereto  as  Exhibit-C  (the
Designation of Rights)  confers upon the holders of the Serial  Founders  Common
Stock certain rights and  obligations as therein  provided.  The  Designation of
Rights have been duly authorized by all necessary  corporate  action on the part
of the  shareholders  and directors of Seller and have been validly filed in the
office of the  Secretary  of State of Texas.  There have been no  amendments  or
modifications  to the  Designation of Rights,  and Exhibit-C  hereto  contains a
complete and accurate copy thereof. 
<PAGE>

Upon the Closing,  Purchasers  will own one hundred  percent  (100%) of each and
every  share of  outstanding  capital  stock of Seller  (except  for the  Serial
Founders Common Stock),  subject to no liens, claims or encumbrances  whatsoever
(other than  restrictions  on transfer  imposed by Federal and applicable  state
securities laws).

        3.5 CONDUCT OF BUSINESS . Seller was  incorporated in the state of Texas
on March26,1996, as Sun Valley Physician Management Corporation, and has engaged
in no business operations since the date of incorporation. There have never been
any shareholders of Seller, other than the Shareholders.  A complete and correct
copy of all minutes,  resolutions and consents  adopted by the  shareholders and
directors of Seller since its creation ar attached hereto as ExhibitD,  and such
minutes,  resolutions and consents are complete and correct in all respects, and
contain  an  accurate   representation  of  all  activities  undertaken  by  the
shareholders and directors of Seller on behalf of Seller since Sellers creation.

3.6  LIABILITIES AND  OBLIGATIONS.  There are no liabilities  against,  owed by,
relating to or affecting  Seller as of the Closing Date.  Except for obligations
created  pursuant  to this  Agreement,  Seller  has no  contractual  obligations
whatsoever,  and has never incurred or discharged any such obligation  since its
creation.

3.7  COMPLIANCE  WITH  LAWS.  Seller has  complied  in all  respects,  and is in
compliance in all respects,  with all federal,  state,  county,  and local laws,
rules,  regulations and ordinances currently in effect and applicable to Seller.
No claim has been  made or  threatened  by any  governmental  authority  against
Seller.

3.8 CLAIMS AND PROCEEDINGS. There are no (and since Sellers creation, there have
been no) claims,  actions,  suits,  proceedings,  or  investigations  pending or
threatened  against Seller,  or affecting Seller, at law or in equity, or before
or by any court, municipal or other governmental department,  commission, board,
agency, or instrumentality. 
<PAGE>

3.9  TAXES.  All  federal,  foreign,  state,  county,  and local  income,  gross
receipts,  excise, property,  franchise,  license, sales, use, withholding,  and
other tax (collectively,  Taxes) returns, reports, and declarations of estimated
tax  (collectively,  Returns)  which were  required  to be filed by Seller on or
before the Closing Date hereof have been filed within the time and in the manner
provided  by law,  and all such  Returns  are true and  correct  and  accurately
reflect the Tax  liabilities of Seller.  Complete and correct copies of all such
Returns have been provided to Purchasers. All Taxes, assessments, penalties, and
interest  which have become due pursuant to such Returns have been paid.  Seller
does not owe any federal  income  Taxes for any period prior to the Closing Date
Closing Date,  and has never owed or paid any federal  income Taxes.  Seller has
not  executed  any  presently  effective  waiver or  extension of any statute of
limitations against assessments and collection of Taxes. There are no pending or
threatened claims, assessments,  notices, proposals to assess, deficiencies,  or
audits  against  Seller  with  respect  to any Taxes owed or  allegedly  owed by
Seller. No federal income tax return of Seller has ever been filed. There are no
tax liens applicable to Seller.

3.10 PERSONNEL.  Seller has never had any employees. Seller has never designated
or appointed any person or other entity to act for it or on its behalf  pursuant
to any power of attorney or any agency.

3.11   INDEBTEDNESS  TO  AND  FROM  SHAREHOLDERS  .  Seller  does  not  owe  any
indebtedness  to  any  of  the  Shareholders  and,  Seller  does  not  have  any
indebtedness owed to it from any of the Shareholders.

3.12 CERTAIN CONSENTS. There are no consents,  waivers, or approvals required to
be executed  and/or obtained by Seller or any Shareholder in connection with the
execution, delivery , and performance of this Agreement.

3.13 BROKERS.  Neither  Seller nor any  Shareholder  has engaged,  or caused any
liability to be incurred to, any finder, broker, or sales agent (or has paid, or
will pay,  any  finders  fee or  similar  fee or  commission  to any  person) in
connection with the execution, delivery, or performance of this Agreement or the
transactions contemplated hereby.

3.14 No Known Breaches.  Neither of the Shareholders has knowledge of any breach
or default by the other  Shareholder  of their  respective  representations  and
warranties, covenants or other agreements made in this Agreement.


                                   ARTICLE IV
                            COVENANTS AND AGREEMENTS

4.1 VOTING  AGREEMENT.  From and after the Closing Date,  Shareholders  agree to
exercise such voting rights as they may have as  shareholders of Seller to elect
to the Board of Directors of Seller such person or persons as may be  designated
by American  Physicians  Service Group,  Inc., a Texas corporation  (APSG).  The
Shareholders each further agree to so vote any capital stock they own or may own
in Seller  until such time as APSG (or its  assignees)  no longer  owns at least
fifty percent (50%) of all the then issued and  outstanding  shares (of each and
every class) of common stock of Seller. Furthermore,  each Shareholder covenants
and  agrees  to  exercise  its  voting  rights  as a  shareholder  of  Seller to
accomplish the consummation of the transactions contemplated by this Agreement.
<PAGE>

4.2 EMPLOYMENT OF SHAREHOLDERS. Effective immediately after the Closing, each of
the Shareholders shall become at-will employees of Seller and shall devote their
full  business  time and  attention  to the  affairs of Seller  pursuant  to the
direction  of, and at the leisure of, the Board of Directors  of Seller.  Seller
shall have no obligation  to increase the  salaries,  or to grant any bonuses to
either of the Shareholders,  or to employ additional  persons,  except as may be
determined  by the Board of  Directors  of Seller  at its sole  discretion,  and
without  implying any obligation  whatsoever with respect  thereto.  Each of the
Shareholders  acknowledges  and agrees that they shall be at-will  employees  of
Seller and may be terminated by Seller at any time for any or no reason,  at the
discretion  of the Board of  Directors.  APSG agrees  that,  promptly  after the
Closing  Date,  APSG  will  vote its  shares to elect  Hedrick  as  Senior  Vice
President  and  General  Counsel  of Seller  and to elect  Beck as  Senior  Vice
President of Seller.

4.3  REIMBURSEMENT  OF  EXPENSES.  All parties  hereto  covenant and agree that,
promptly  after the Closing Date,  Seller shall  reimburse  APSG in full for all
expenses  incurred by APSG in the negotiation,  preparation and entering into of
this  Agreement,  and in  investigating,  organizing,  planning  and  conducting
negotiations  with  respect to, the business to be conducted by Seller after the
Closing.  Without  limiting the generality of the foregoing,  all parties hereto
covenant and agree that APSG shall be entitled to prompt reimbursement after the
Closing Date of any and all amounts paid by APSG or its  affiliates  pursuant to
that certain  letter dated  February19,1997,  from APSG to Beck and Hedrick (the
Letter Agreement). All parties hereto further agree that the Letter Agreement is
hereby declared void in all respects, is of no further force or effect, and each
of Beck,  Hedrick and Seller hereby fully  release and discharge  APSG and APSGs
affiliates,  shareholders,  directors,  officers and employees, from and against
any and all obligations, claims, and causes of action which exist, or may exist,
known or unknown, with respect to the Letter Agreement.

4.4 NO IMPLIED  OBLIGATIONS.  The parties hereto acknowledge and agree that none
of Seller, any Purchaser,  or any director of Seller designated by or elected by
any  Purchaser  shall be  obligated  in any  respect to  consider or approve any
transaction  whatsoever that may be presented to, or come before,  Seller or its
Board of  Directors.  At all times after the Closing,  the Board of Directors of
Seller shall have sole,  complete and  independent  discretion  as to whether to
approve,  disapprove,consider  or not  to  consider  any  acquisition  or  other
transaction by Seller, and nothing contained in this Agreement or the conduct of
the parties  hereto is intended,  or should be  construed,  to indicate or imply
otherwise.
<PAGE>


                                   ARTICLE V
                              CLOSING OBLIGATIONS

5.1 PURCHASERS CLOSING OBLIGATIONS. At the Closing, each Purchaser shall:

(a)     pay their respective portion of the Closing Payment (as described on
Exhibit-A); and

(b)  deliver  such  good  standing   certificates  and  similar   documents  and
certificates as Seller or the Shareholders may reasonably require.

5.2 SELLERS AND THE SHAREHOLDERS CLOSING OBLIGATIONS. At the Closing, Seller
and the Shareholders shall:

(a) deliver the original certificates representing the Shares to the Purchasers,
and execute and deliver such other  documents as the  Purchasers  may request in
order to evidence the ownership of the Shares on the books of Seller;

(b) deliver such good standing certificates,  officer certificates,  and similar
documents and certificates as counsel for the Purchasers may reasonably require;
and

(c) cause every director and officer of Seller (including,  without  limitation,
the  Shareholders) to tender to the Purchasers  written  resignations  from such
positions which are effective as of the Closing Date and which contain  releases
of all claims,  known or unknown,  which such former directors and officers have
or might have against Seller.


                                   ARTICLE VI
                         INDEMNIFICATION OF PURCHASERS

Each of the  Shareholders,  jointly and severally,  agrees to indemnify and hold
harmless  each  Purchaser and each officer,  director,  employee,  and affiliate
(including  without  limitation,  Seller) of each Purchaser  (collectively,  the
Purchaser  Indemnified  Parties)  from and against any and all damages,  losses,
claims,  liabilities,  demands,  charges, suits, penalties,  costs, and expenses
(including court costs and attorneys fees and expenses incurred in investigating
and  preparing  for any  litigation or  proceeding)  (collectively,  Indemnified
Costs)  in  connection  with  the  commencement  or  assertion  of  any  action,
proceeding,  demand,  or claim by a third  party  (collectively,  a  third-party
action) which any of the Purchaser Indemnified Parties may sustain,  arising out
of or relating to (a) any breach or default by any  Shareholder  of any of their
representations, warranties, covenants or agreements contained in this Agreement
or in any  agreement or document  executed in  connection  herewith,  or (b) any
liability,  direct or contingent,  known or unknown, of Seller which arises from
or is based on facts,  acts or  omissions  occurring  at or prior to the Closing
Date.

<PAGE>

                                  ARTICLE VII
                                 NONCOMPETITION

Each of the  Shareholders  hereby  agrees  that until the  expiration  of six(6)
months  after any  termination  of such  Shareholders  employment  with  Seller,
whether  terminated by either the Seller or the  Shareholder,  such  Shareholder
will not,  directly or indirectly,  either through any kind of ownership  (other
than  ownership of securities of a publicly  held  corporation  of which it owns
less than five percent  (5%) of any class of  outstanding  securities),  or as a
principal, agent, employer, employee, advisor,  consultant,  copartner or in any
individual or representative  capacity  whatever,  either for its own benefit or
for the  benefit of any other  person,  firm or  corporation,  without the prior
written consent of APSG,  commit any of the following acts,  which acts shall be
considered violations of this covenant not to compete:

(a) Solicit business from,  divert business from, or attempt to convert to other
methods of using the same or similar products or services as provided by Seller,
APSG or their affiliates,  any client, account, or location of the Seller , APSG
or their affiliates,  or any potential client,  account or location which Seller
or Sellers affiliates are then pursuing, considering or negotiating with; or

(b)  Directly or  indirectly  solicit for  employment  or employ any employee of
APSG,  Seller or any  affiliate or entity  related to any of them,  or induce or
attempt to  influence  any  employee of APSG,  Seller or any such  affiliate  or
related entity to terminate his or her employment with APSG,  Seller or any such
affiliate or related entity; or

(c) Provide physician practice management  services,  or engage in the physician
practice management business,  or the business of acquiring physician practices,
with respect to any physicians or physician group, entity or organization, whose
primary specialty is obstetrics  and/or gynecology  (OB/GYN) anywhere within 100
miles of (i) any physician practice then managed or otherwise serviced by Seller
or Sellers  affiliates,  or (ii) any physician  practice which Seller or Sellers
affiliates  is then  pursuing,  considering  or  negotiating  with for services,
acquisition or other business; or

(d)  Directly or  indirectly  request or advise any patient or  physician or any
other person, firm,  corporation or other entity having a business  relationship
with Seller or APSG or any affiliate or related entity, to withdraw,  curtail or
cancel its business with Seller or such affiliate or related entity.

        In addition to the foregoing,  after the expiration of the six (6) month
post-employment  termination  period  described above, and during the second six
(6) month period after any termination of a Shareholders employment with Seller,
whether  terminated  by either the  Seller or the  Shareholder,  the  terminated
Shareholder  will  provide  Seller  with  a   right-of-first   refusal  for  all
transactions  which  such  Shareholder  may in any way be  involved  in or with,
concerning  the  providing  of  physician  practice  management  services,   the
physician practice management  business,  or the business of acquiring physician
practices,  involving  physicians or practices whose primary specialty isOB/GYN.
Pursuant to such right-of-first refusal, the applicable Shareholder shall, prior
to entering into any binding agreements with respect to the subject transaction,
provide written details concerning such transaction,  and the terms thereof,  to
Sellers  Board of Directors,  and provide  Seller with at least thirty (30) days
thereafter to exercise its right of first refusal and engage in such transaction
on the same proposed terms and conditions. If Seller fails to exercise its right
of first  refusal  during such  thirty  (30) day period,  same shall be deemed a
refusal to exercise its right of first refusal. 
<PAGE>

Each of the Shareholders has reviewed and carefully considered the provisions of
this ARTICLE and,  having done so, each agrees that the  restrictions  set forth
herein (a) are fair and  reasonable  with respect to time,  geographic  area and
scope,  (b)are not unduly  burdensome  to any of the  Shareholders,  and (c) are
reasonably  required for the  protection  of the  interests of APSG,  Seller and
their affiliates.

Each of the  Shareholders  agrees that a violation  on its part of any  covenant
contained  in this  ARTICLE  will cause APSG and Seller  irreparable  damage for
which  remedies at law may be  insufficient,  and for that  reason,  each of the
Sellers  agrees  that APSG and Seller  shall be entitled as a matter of right to
equitable  remedies,  including  specific  performance  and  injunctive  relief,
therefor.  The right to specific  performance  and  injunctive  relief  shall be
cumulative and in addition to whatever other remedies, at law or in equity, that
APSG or  Seller  may  have,  including,  specifically,  recovery  of  additional
damages.


                                  ARTICLE VIII
                              REGISTRATION RIGHTS

        8.1 Incidental  Registration  Rights. For purposes of this ARTICLE VIII,
the Purchasers and the Shareholders are collectively  referred to as the Covered
Parties and  individually as a Covered Party.  Each of the Covered Parties shall
have the  incidental  registration  rights and other rights  provided under this
ARTICLEVIII.  The incidental  registration rights described in this ARTICLE VIII
shall only apply with respect to shares of the Sellers common stock,  $0.001 par
value per share,  owned by any of the Covered Parties,  and shall not apply with
respect to any other form of capital stock of Seller owned by any of the Covered
Parties including,  without limitation,  any Serial Founders common stock or any
preferred  stock;  and any  reference  in this  ARTICLE  VIII to Shares shall be
deemed to refer to the Shares of the Purchasers (as defined in Section1.1 above)
and to any  shares of the  $0.001  par value  common  stock of Seller  which may
hereafter become owned by either of the Shareholders.

        If Seller at any time proposes to register any of its common stock under
the Act for sale to the  public,  whether for its own account or for the account
of  other  security  holders  or  both  (except  with  respect  to  registration
statements on FormsS-4 or S-8 or another form not available for  registering the
Shares  for sale to the  public or in  connection  with  mergers,  acquisitions,
exchange offers,  dividend  reinvestment plans or stock option or other employee
benefit plans of the Seller), it will give written notice to the Covered Parties
of  its  intention  so  to  do,  which  notice  shall  include  a  list  of  the
jurisdictions in which the Seller intends to attempt to qualify the common stock
under the applicable  state  securities laws. Upon the written request of one or
more Covered Parties,  given within 10 days after receipt of any such notice, to
register  any of their  Shares,  Seller  will,  subject to the  limitations  and
conditions  contained  herein,  use its best  efforts  to cause the Shares as to
which  registration  shall have been so  requested  (Covered  Shares),  pro rata
between the Covered Parties in a ratio equal to the respective  number of Shares
then owned and  requested to be  registered  by them, or such other ratio as may
have  been  agreed  upon  among  the  Covered  Parties,  to be  included  in the
securities to be covered by the registration  statement  proposed to be filed by
the Seller,  all to the extent requisite to permit the sale or other disposition
by the Covered Parties; provided, however, that: 
<PAGE>

        (i) Each Covered Party shall each have the right to request inclusion of
its Shares (and have such Shares included) in two  registration  statements that
are  declared   effective  by  the  Securities  and  Exchange   Commission  (the
Commission).

        (ii) If, at any time after giving such written  notice of its  intention
to register any securities  and prior to the effective date of the  registration
statement filed in connection with such registration, the Seller shall determine
for any reason not to register  any  securities  at all (and in fact does not do
so), the Seller may, at its election,  give written notice of such determination
to the Covered Parties who made a request as hereinabove  provided and thereupon
the  Seller  shall be  relieved  of its  obligation  to  register  any Shares in
connection with that proposed registration.

        (iii)  If such  registration  involves  an  underwritten  offering,  the
Covered Parties requesting to be included in the Seller's registration must sell
their  Covered  Shares to the  underwriters  selected  by the Seller on the same
terms and conditions as apply to the Seller and other selling  parties under the
registration statement (except as otherwise set forth herein).

        The number of Covered  Shares to be included in such an offering  may be
reduced if and to the extent that the managing underwriter,  if any, shall be of
the opinion that such  inclusion  would  adversely  affect the  marketing of the
securities to be sold by Seller therein (pro rata between the Covered Parties in
a ratio  equal to the  respective  amounts  of  Covered  Shares  held by  each.)
Notwithstanding anything to the contrary contained in this Section, in the event
that  there is an  underwritten  public  offering  of  securities  of the Seller
pursuant to a registration covering Shares and a Covered Party does not elect to
sell its  Covered  Shares to the  underwriters  of the  Seller's  securities  in
connection  with such  offering,  such Covered  Party shall refrain from selling
such Covered Shares during the period of distribution of the Sellers  securities
by  such   underwriters,   the  period  in  which  the  underwriting   syndicate
participates in the after market and during any lock-up period requested by such
underwriters;  provided,  however, that the Covered Parties shall, in any event,
be entitled to sell their Shares commencing on the 180th day after the effective
date of such registration statement.

        8.2 REGISTRATION  PROCEDURES.  If and whenever the Seller is required by
the provisions of this ARTICLE to effect the  registration of any of the Covered
Shares under the Act, Seller will, as expeditiously as possible:
<PAGE>

        (i)  prepare  and file  with the  Commission  a  registration  statement
(which, in the case of an underwritten  public offering shall be on such form of
general  applicability as may be satisfactory to the managing  underwriter) with
respect to such  securities and use its best efforts to cause such  registration
statement  to become and  remain  effective  for the period of the  distribution
contemplated thereby (determined as hereinafter provided);

        (ii)  prepare  and  file  with  the  Commission   such   amendments  and
supplements  to  such  registration   statement  and  the  prospectus  filed  in
connection  therewith as may be necessary  to keep such  registration  statement
effective for the period of distribution  and as may be necessary to comply with
the  provisions  of the Act with respect to the  disposition  of all  securities
covered by such  registration  statement in accordance with the Sellers intended
method of disposition set forth in such registration statement for such period;

        (iii)  furnish  to  the  Covered  Parties,   as  applicable,   and  each
underwriter  such  number  of  copies  of the  registration  statement  and  the
prospectus included therein (including each preliminary  prospectus) as they may
reasonably  request in order to facilitate the public sale or other  disposition
of the Covered Shares covered by such registration statement;

        (iv) use its best  efforts to register  or qualify  the  Covered  Shares
covered by such registration  statement under the securities or blue sky laws of
such jurisdictions as the Covered Parties, as applicable,  or, in the case of an
underwritten public offering, the managing underwriter, shall reasonably request
(provided  that the Seller will not be required to (1) qualify  generally  to do
business in any jurisdiction where it would not otherwise be required to qualify
but for this subsection, (2) subject itself to taxation in any such jurisdiction
or (3) consent to general service of process in any such jurisdiction);

        (v)  promptly  notify the Covered  Parties,  as  applicable,  under such
registration  statement  and each  underwriter,  at any time  when a  prospectus
relating thereto is required to be delivered under the Act when it becomes aware
of the happening of any event as a result of which the  prospectus  contained in
such registration  statement, as then in effect, includes an untrue statement of
a  material  fact or omits to state  any  material  fact  required  to be stated
therein or necessary to make the statements  contained therein not misleading in
light of the circumstances then existing;

        (vi) use its best efforts (if the offering is  underwritten) to furnish,
at the  request of the  Covered  Parties,  as  applicable,  on the date that the
Covered  Shares are  delivered  to the  underwriters  for sale  pursuant to such
registration:  (1) an opinion dated such date of counsel representing the Seller
for the  purposes of such  registration,  addressed to the  underwriters  and in
customary form and covering such matters as are customarily  covered by opinions
of counsel in similar  registrations  and as may be required in the underwriting
agreement  relating thereto,  as may reasonably be requested by the underwriters
or by the Covered  Parties,  as applicable;  and (2) a comfort letter dated such
date from the independent public accountants  retained by the Seller,  addressed
to the  underwriters,  in  customary  form  and  covering  such  matters  as are
customarily covered by such comfort letters in similar  registrations and as may
be required in the underwriting agreement relating thereto, as such underwriters
or the Covered Parties, as applicable, may reasonably request; and 
<PAGE>

        (vii)  make  available  for  inspection  by  the  Covered  Parties,  any
underwriter  participating  in any  distribution  pursuant to such  registration
statement, and any attorney,  accountant, or other agent retained by the Covered
Parties,  or underwriter,  all financial and other records,  pertinent corporate
documents,  and  properties  of the  Seller,  and cause the  Seller's  officers,
directors,  and employees to supply all information  reasonably requested by any
such Covered Party,  underwriter,  attorney,  accountant, or agent in connection
with such registration statement.

        For  purposes  of  paragraphs   (i)  and  (ii)  above,   the  period  of
distribution  of Covered  Shares in an  underwritten  public  offering  shall be
deemed to extend until each  underwriter  has completed the  distribution of all
securities  purchased by it, and the period of distribution of Covered Shares in
any other  registration  shall be deemed to extend until the earlier of the sale
of all Covered Shares or 180 days after the effective date thereof.

        In connection with each registration hereunder,  the Covered Parties, as
applicable,  will furnish to the Seller in writing such information with respect
to themselves and the proposed distribution by them as shall be requested by the
Seller  in  order  to  assure  compliance  with  federal  and  applicable  state
securities laws.

        In connection with each  registration  covering an  underwritten  public
offering,  Seller  agrees to enter into a written  agreement  with the  managing
underwriter  selected in the manner herein  provided in such form and containing
such  provisions  as are  customary  in the  securities  business  for  such  an
arrangement  between  major  underwriters  and companies of the Sellers size and
investment  stature;  provided  that such  agreement  shall not contain any such
provision  applicable  to the Seller that is  inconsistent  with the  provisions
hereof and, further,  provided that the time and place of the closing under such
agreement  shall be as mutually agreed upon between the Seller and such managing
underwriter.

        The Seller  will not be  obligated  to include  any Shares  owned by the
Covered Parties requesting that a proposed  registration  include such Shares if
the Seller delivers to the requesting Covered Parties the opinion of the Sellers
counsel (such  counsel and the form of such opinion  having been approved by the
Covered Parties in their reasonable discretion) to the effect that the requested
registration is not required to permit the proposed disposition or any resale of
such Shares,  without restrictions on subsequent transfer,  under the Act, which
opinion  may be  furnished  to and relied upon by any broker  through  which the
Covered Parties may elect to sell any Shares.

        8.3 CONDITIONS TO OBLIGATION TO REGISTER SHARES. The Sellers obligations
under this ARTICLE shall be subject to the following limitations and conditions:

                (a) Seller  shall have  received  from the Covered  Parties,  as
applicable,  all such information as the Seller may reasonably  request from the
Covered  Parties   concerning  each  of  them  and  each  of  their  methods  of
distribution  of  the  Covered  Shares  to  enable  Seller  to  include  in  the
registration statement all material facts required to be disclosed therein.
<PAGE>

                (b)  Any  request  by  the  Covered  Parties  pursuant  to  this
Agreement for  registration  of the offering,  sale and delivery of Shares shall
provide that each Covered Party,  as applicable,  (i)has a present  intention to
sell such Shares;  (ii) agrees to execute all consents,  powers of attorneys and
other documents required in order to cause such registration statement to become
effective;  (iii) agrees,  if the offering is at the market,  to give the Seller
written  notice of the first bona fide  offering  of such  Shares and to use the
prospectus  forming a part of such  registration  statement only for a period of
180 days  after the  effective  date of the  registration  statement  unless the
offering  is  pursuant  to  a  continuous  registration  pursuant  to  Rule  415
promulgated  under the Act; (iv) subject to adverse events regarding the selling
price of the Shares,  agrees to utilize its proposed  method of  distribution of
the  registered  securities;  and (v) agrees to promptly  notify Seller and each
underwriter, if any, with regard to any registration statement, at any time when
it  becomes  aware  of the  happening  of any  event as a  result  of which  any
prospectus  contained in such  registration  statement that has been provided to
the Covered Party includes an untrue  statement of a material fact regarding the
Covered  Party or omits to state a material  fact  regarding  the Covered  Party
required to be stated  therein or  necessary  to make the  statements  contained
therein   regarding   such  Covered  Party  not   misleading  in  light  of  the
circumstances then existing.

        8.4 DISTRIBUTION ARRANGEMENTS. Each Covered Party, as applicable, agrees
that, in disposing of its Shares in the registered public offering, such Covered
Party will comply with applicable rules promulgated by the Commission.

        8.5  EXPENSES.  All  expenses  incurred by the Seller in  preparing  and
complying  with  a  registration   covering  any  Shares,   including,   without
limitation, all registration,  qualification, and filing fees, blue sky fees and
expenses,  printing  expenses,  fees  and  disbursements  of legal  counsel  and
independent  public accountants for the Seller, the reasonable fees and expenses
of one law firm serving as legal counsel for the participating  Covered Parties,
fees of the National  Association of Securities  Dealers,  Inc., transfer taxes,
escrow fees, fees of transfer agents and registrars, and costs of insurance, but
excluding any Selling Expenses,  are herein called  Registration  Expenses.  All
underwriting  discounts,  and  selling  commissions  applicable  to the  sale of
Covered Shares are herein called Selling Expenses.

        The Seller shall pay all  Registration  Expenses in connection  with any
registration statement. All Selling Expenses in connection with any registration
statement  shall be borne by each  participating  Covered Party in proportion to
the number of Covered Shares sold by each.

        8.6  INDEMNIFICATION.  In  the  event  of a  registration  of any of the
Covered  Shares under the  Securities  Act, the Seller shall  indemnify and hold
harmless the Covered Party, as applicable,  thereunder and each  underwriter and
each associate,  if any, of the Covered  Parties,  or  underwriter,  against any
losses, claims, damages, or liabilities,  joint or several, to which the Covered
Parties, or underwriter or associate thereof may become subject under the Act or
otherwise,  insofar as such losses, claims,  damages, or liabilities (or actions
in  respect  thereof)  arise out of or are based upon any  untrue  statement  or
alleged  untrue  statement of any material  fact  contained in any  registration
statement  under which such Covered  Shares were  registered  under the Act, any
preliminary  prospectus or final prospectus  contained therein, or any amendment
or supplement thereof, or arise out of or are based upon the omission or alleged
omission  to state  therein a material  fact  required  to be stated  therein or
necessary to make the  statements  therein not  misleading,  or any violation by
Seller of any rule or regulation  promulgated under the Act applicable to Seller
and  relating  to action or  inaction  by  Seller  in  connection  with any such
registration,  and shall reimburse the Covered Parties,  each underwriter and/or
associate thereof for any legal or other expenses reasonably incurred by them in
connection  with  investigating  or  defending  any such  loss,  claim,  damage,
liability, or action;  provided,  however, that the Seller will not be liable in
any such  case if and to the  extent  that  any such  loss,  claim,  damage,  or
liability  arises out of or is based upon an untrue  statement or alleged untrue
statement or omission or alleged  omission made in conformity  with  information
furnished by the Covered Parties,  each underwriter  and/or associate thereof in
writing specifically for use in such registration statement or prospectus.
<PAGE>

        In the event of a  registration  of any of the Covered  Shares under the
Act, each of the Covered Parties, as applicable, severally and not jointly, will
indemnify  and hold  harmless  the Seller and its  affiliates,  if any, and each
underwriter  and each associate of any underwriter  against all losses,  claims,
damages  or  liabilities,  joint  or  several,  to  which  the  Seller  or  such
underwriter or associate may become subject under the Act or otherwise,  insofar
as such losses,  claims,  damages or liabilities (or actions in respect thereof)
arise out of or are based upon any untrue  statement or alleged untrue statement
of any material fact contained in the  registration  statement  under which such
Covered  Shares were  registered  under the Act, any  preliminary  prospectus or
final prospectus  contained therein,  or any amendment or supplement thereof, or
arise out of or are based upon the omission or alleged omission to state therein
a  material  fact  required  to be  stated  therein  or  necessary  to make  the
statements  therein  not  misleading,   and  will  reimburse  the  Seller,  each
underwriter and/or associate thereof for any legal or other expenses  reasonably
incurred by them in connection  with  investigating  or defending any such loss,
claim, damage, liability or action; provided, however, that a Covered Party will
be liable  hereunder  in any such case if and only to the  extent  that any such
loss,  claim,  damage  or  liability  arises  out of or is based  upon an untrue
statement or alleged  untrue  statement or omission or alleged  omission made in
reliance  upon and in  conformity  with  information  pertaining to such Covered
Party, furnished in writing to the Seller by that Covered Party specifically for
use in such registration statement or prospectus; and provided further, however,
that the  liability  of any  Covered  Party  hereunder  shall be  limited to the
proportion of any such loss, claim,  damage,  liability or expense that is equal
to the proportion  that the public offering price of Covered Shares sold by such
Covered  Party,  under such  registration  statement  bears to the total  public
offering price of all securities sold thereunder, but not to exceed the proceeds
received by such Covered Party from the sale of Covered  Shares  covered by such
registration statement.

        Promptly  after receipt by an indemnified  party  hereunder of notice of
the  commencement  of any action,  such  indemnified  party shall, if a claim in
respect thereof is to be made against the indemnifying  party hereunder,  notify
the  indemnifying  party in writing  thereof,  but the omission so to notify the
indemnifying  party shall not relieve it from any  liability  it may have to any
indemnified  party other than under this Section.  In case any such action shall
be brought  against any indemnified  party and it shall notify the  indemnifying
party of the commencement  thereof,  the indemnifying party shall be entitled to
participate  in and, to the extent it shall wish,  to assume and  undertake  the
defense thereof with counsel reasonably  satisfactory to such indemnified party,
and, after notice from the indemnifying  party to such indemnified  party of its
election so to assume and undertake the defense thereof,  the indemnifying party
shall not be liable to such  indemnified  party under this Section for any legal
expenses  subsequently incurred by such indemnified party in connection with the
defense thereof other than reasonable costs of investigation and of liaison with
counsel so elected; provided, however that, if the defendants in any such action
include  both  the  indemnified  party  and the  indemnifying  party  and if the
interests of the indemnified party reasonably may be deemed to conflict with the
interests of the indemnifying  party, the indemnified party shall have the right
to  select  separate  counsel  and  to  assume  its  defense  and  otherwise  to
participate  in the defense of such  action,  with the expenses and fees of such
separate  counsel  and  other  expenses  related  to  such  participation  to be
reimbursed by the indemnifying  party as incurred.  The indemnifying  party will
not be subject to any settlement  made without its consent,  which consent shall
not be unreasonably withheld. The indemnifying party will pay to the indemnified
party all sums due hereunder within 10 days of a final  non-appealable  judgment
or pursuant to the terms of a settlement agreement. 
<PAGE>

        8.7  LIMITATION ON SUBSEQUENT  REGISTRATION  RIGHTS.  From and after the
date of this  Agreement,  the Seller shall not enter into any agreement with any
holder or  prospective  holder of any  securities  of the Seller  (nor shall the
Seller,  in the absence of any such prior  agreement,  permit any such holder or
prospective holder) to include such securities in any registration  contemplated
by this Agreement other than incidental  (non-demand)  registration  rights that
are  expressly  subordinate  to  those  granted  the  Covered  Parties  in  this
Agreement.


                                   ARTICLE IX
                                 MISCELLANEOUS

9.1 COLLATERAL  AGREEMENTS,  AMENDMENTS,  AND WAIVERS.  This Agreement (together
with the documents  delivered  pursuant hereto)  supersedes all prior documents,
understandings,  and agreements,  oral or written (including without limitation,
the Letter  Agreement),  relating to the  transactions  contemplated  herein and
constitutes  the entire  understanding  among the  parties  with  respect to the
subject  matter  hereof.  Any  modification  or amendment  to, or waiver of, any
provision  of  this  Agreement  (or  any  document  delivered  pursuant  to this
Agreement unless otherwise  expressly  provided  therein) may be made only by an
instrument in writing executed by each party thereto.

9.2 SUCCESSORS AND ASSIGNS. None of the parties rights or obligations under this
Agreement  may be  assigned  without  the prior  written  consent of all parties
hereto,  except that APSG may assign its rights and obligations hereunder to any
entity, at least a majority of whose voting equity ownership interests is at the
time owned, directly or indirectly,  by APSG. Any assignment in violation of the
foregoing  shall be null and void.  Subject to the  preceding  sentences of this
Section,  the  provisions of this Agreement  (and,  unless  otherwise  expressly
provided therein, of any document delivered pursuant to this Agreement) shall be
binding upon and inure to the benefit of the parties hereto and their respective
heirs, legal representatives, successors, and permitted assigns.
<PAGE>

9.3 EXPENSES.  Except as provided in Section 4.3, and  regardless of whether the
transactions  contemplated  hereby are consummated,  each party hereto shall pay
all of its costs and expenses  incurred by it in connection with this Agreement,
including the fees and disbursements of its counsel.

9.4  INVALID  PROVISIONS.  If any  provision  of  this  Agreement  is held to be
illegal,  invalid, or unenforceable under present or future laws, such provision
shall be fully  severable,  this Agreement shall be construed and enforced as if
such illegal,  invalid, or unenforceable provision had never comprised a part of
this Agreement,  and the remaining  provisions of this Agreement shall remain in
full force and effect and shall not be  affected  by the  illegal,  invalid,  or
unenforceable provision or by its severance from this Agreement.

9.5  INFORMATION AND  CONFIDENTIALITY.  Each party hereto agrees that such party
shall hold in strict confidence all information and documents  received from any
other party  hereto,  and if the Closing  does not occur,  each such party shall
return to the other parties  hereto all such  documents  then in such  receiving
partys possession without retaining copies; provided,  however, that each partys
obligations  under  this  Section  shall  not  apply to (a) any  information  or
document required to be disclosed by law, (b)any  information or document in the
public  domain,  or (c)any  information  or document that APSG  discloses to any
potential lender to or investor in APSG or any of its affiliates.

9.6  WAIVER.  No  failure  or delay on the part of any party in  exercising  any
right,  power, or privilege hereunder or under any of the documents delivered in
connection with this Agreement  shall operate as a waiver of such right,  power,
or privilege; nor shall any single or partial exercise of any such right, power,
or privilege  preclude any other or future  exercise  thereof or the exercise of
any other right, power or privilege.

9.7 NOTICES.  Any notices required or permitted to be given under this Agreement
(and, unless otherwise expressly provided therein,  under any document delivered
pursuant  to this  Agreement)  shall be given in  writing  and  shall be  deemed
received (a) when  personally  delivered to the relevant party at its address as
set forth below or (b) if sent by mail, on the third day following the date when
deposited in the United  States  mail,  certified or  registered  mail,  postage
prepaid, to the relevant party at its address indicated below:

Any Purchaser:          American Physicians Service Group, Inc.
                        1301 Capital of Texas Highway
                        Austin, Texas  78746
                        Attention:  President
<PAGE>

with a copy to:         Mr. Timothy L. LaFrey
                        Akin, Gump, Strauss, Hauer & Feld, L.L.P.
                        816 Congress Avenue, Suite 1900
                        Austin, Texas  78701

Seller and              Michael R. Beck
Shareholders:           1450 Preston Forest Square, Suite 210
                        Dallas, Texas 75230-2731

                        John R.  Hedrick
                        2415 Trail of the Madrones
                        Austin, Texas 78746-2338

Each party may change its address for purposes of this Section by proper  notice
to the other parties.

9.8 SURVIVAL OF REPRESENTATIONS,  WARRANTIES,  AND COVENANTS.  Regardless of any
investigation  at any time made by or on  behalf  of any party  hereto or of any
information any party may have in respect  thereof,  all covenants,  agreements,
representations,  and  warranties  made  hereunder  or  pursuant  hereto  or  in
connection with the transactions contemplated hereby shall survive the Closing.

9.9 FURTHER ASSURANCES. At, and from time to time after, the Closing, each party
shall,  at the  request of another  party,  but without  further  consideration,
execute  and  deliver  such  other   instruments  of   conveyance,   assignment,
assumption,  transfer  and delivery and take such other action as such party may
reasonably  request in order more  effectively  to consummate  the  transactions
contemplated hereby.

9.10  CONSTRUCTION.  This Agreement and any documents or  instruments  delivered
pursuant hereto or in connection  herewith shall be construed  without regard to
the identity of the person who drafted the various  provisions of the same. Each
and every  provision of this Agreement and such other  documents and instruments
shall be  construed  as though all of the  parties  participated  equally in the
drafting of the same.  Consequently,  the parties acknowledge and agree that any
rule of  construction  that a document is to be  construed  against the drafting
party shall not be applicable  either to this Agreement or such other  documents
and instruments.

9.11  GOVERNING  LAW.  This  Agreement  shall be  governed by and  construed  in
accordance with the laws of the State of Texas.

9.12 COUNTERPARTS.  This Agreement may be executed in several counterparts, each
of which shall constitute an original and all of which together shall constitute
one and the same  instrument.  Any party  hereto may execute  this  Agreement by
signing any one counterpart.

IN WITNESS  WHEREOF,  the parties hereto have duly executed this Agreement as of
the day and year first above written.

<PAGE>



                               SIGNATURE PAGE TO
                         APS PRACTICE MANAGEMENT, INC.
                            STOCK PURCHASE AGREEMENT


Seller:                                 APS PRACTICE MANAGEMENT, INC.



                                        By:

                                        Printed Name:

                                        Title:

                                        Beck: /s/ Michael R. Beck

                                        Michael R. Beck

                                        Hedrick: /s/ John R. Hedrick

                                        John R. Hedrick

Purchasers:                             AMERICAN PHYSICIANS SERVICE GROUP, INC.


                                        By:

                                        Printed Name:

                                        Title:


                                        DUANE K. BOYD, JR. TRUST


                                        By /s/ Duane K. Boyd, Jr. Trustee
                                        Duane K. Boyd, Jr. Trustee


                                        /s/ Kenneth S. Shifrin
                                        Kenneth S. Shifrin

                                        /s/ Robert L. Myer
                                        Robert L. Myer
<PAGE>

                               SIGNATURE PAGE TO
                         APS PRACTICE MANAGEMENT, INC.
                            STOCK PURCHASE AGREEMENT


                                        J. A. MURPHY DESCENDANTS TRUST


                                        By  /s/ Jack Murphy, Grantor
                                            Jack Murphy, Grantor


                                        /s/ William H. Hayes
                                        William H. Hayes


                                        /s/ Thomas R. Solimine
                                        Thomas R. Solimine


                                        /s/ Samuel R. Granett
                                        Samuel R. Granett


                                        /s/ Maury Magids
                                        Maury Magids





<PAGE>


                                   EXHIBIT-A
                               LIST OF PURCHASERS


Name of Purchaser
Number of Shares
Closing Payment Obligation


American Physicians Service
    Group, Inc.

1,874,600
$4,686,500

Kenneth S. Shifrin
30,000
$ 75,000

Duane K. Boyd, Jr. Trust
12,000
$ 30,000

Robert L. Myer
40,000
$100,000

J. A. Murphy Descendants Trust
20,000
$50,000

Samuel R. Granett
4,000
$10,000

William H. Hayes
2,400
$6,000

Maury Magids
4,000
$10,000

Paul Schilder
10,000
$25,000

Thomas R. Solimine
3,000
$7,500


TOTALS
2,000,000
$5,000,000

<PAGE>




                                                                 Exh. 10-27

                                     BYLAWS
                                       OF
                  SUN VALLEY PHYSICIAN MANAGEMENT CORPORATION




                                   ARTICLE I
                                OFFICES AND AGENT

        The  Corporation  may have such  offices,  either  within or without the
State of Texas,  as the Board of Directors  may  designate or as the business of
the Corporation may require from time to time.

        The registered office of the Corporation  required by the Texas Business
Corporation  Act to be maintained in the State of Texas may be, but need not be,
identical with the principal  office in the State of Texas, as designated by the
Board of Directors.  The address of the registered office or the identity of the
registered agent may be changed from time to time by the Board of Directors.

        The address of the initial  registered office of the Corporation and the
name of the initial  registered agent of the Corporation at such address are set
out in the Articles of Incorporation of the Corporation.


                                   ARTICLE II
                                  SHAREHOLDERS

        SECTION 1. ANNUAL MEETING.  The annual meeting of the shareholders shall
be  held on  such  date in each  year  and at  such  time  and  place  as may be
determined by the Board of Directors,  for the purpose of electing directors and
for the  transaction of such other  business as may come before the meeting.  If
the election of directors shall not be held on the day designated for any annual
meeting  of the  shareholders  or at  any  adjournment  thereof,  the  Board  of
Directors  shall  cause  the  election  to be held at a special  meeting  of the
shareholders as soon thereafter as may be convenient.

        SECTION 2. SPECIAL MEETINGS.  Special meetings of the shareholders,  for
any  purpose  or  purposes,  may be called by the  President  or by the Board of
Directors, and shall be called by the President at the request of the holders of
not less than 25% of the outstanding shares of the Corporation  entitled to vote
at the meeting.

        SECTION 3. PLACE OF MEETING.  The Board of Directors  may  designate any
place,  either within or without the State of Texas, as the place of meeting for
any  annual  or  special  meeting  called  by  the  Board  of  Directors.  If no
designation  is made, or if a special  meeting be called  otherwise  than by the
Board of Directors,  the place of meeting shall be the registered  office of the
Corporation in the State of Texas. 
<PAGE>

        SECTION 4.  NOTICE OF  MEETING.  Written or printed  notice  stating the
place,  day and hour of the  meeting  and,  in case of a  special  meeting,  the
purpose or purposes for which the meeting is called, shall be delivered not less
than ten (10) nor more than  sixty  (60) days  before  the date of the  meeting,
either  personally  or by mail,  by or at the  direction of the  President,  the
Secretary, or the officer or persons calling the meeting, to each shareholder of
record entitled to vote at such meeting.  If mailed, such notice shall be deemed
to be  delivered  when  deposited in the United  States  mail,  addressed to the
shareholder  at his  address as it appears  on the stock  transfer  books of the
Corporation, with postage thereon prepaid. Attendance by a shareholder,  whether
in person or by proxy, at a shareholder's  meeting shall  constitute a waiver of
notice of such meeting of which he has had no notice.

        SECTION 5. CLOSING OF TRANSFER  BOOKS AND FIXING OF RECORD DATE. For the
purpose  of  determining  shareholders  entitled  to notice of or to vote at any
meeting of shareholders or any adjournment thereof, or shareholders  entitled to
receive  payment of any  distribution,  or in order to make a  determination  of
shareholders  for any  other  proper  purpose,  the  Board of  Directors  of the
Corporation  may  provide  that the stock  transfer  books shall be closed for a
stated period no to exceed sixty (60) days. If the stock transfer books shall be
closed for the purpose of determining  shareholders  entitled to notice of or to
vote at a meeting of  shareholders,  such books shall be closed for at least ten
(10) days  immediately  preceding  such  meeting.  In lieu of closing  the stock
transfer books, the Board of Directors may, by resolution, fix in advance a date
as the record date for any such determination of shareholders,  such date in any
case  to be not  more  than  sixty  (60)  days  and,  in case  of a  meeting  of
shareholders,  not  less  than  ten (10)  days  prior  to the date on which  the
particular action, regarding such determination of shareholders, is to be taken.
If the stock  transfer  books are not closed and no record date is fixed for the
determination  of shareholders  entitled to notice of or to vote at a meeting of
shareholders, or shareholders entitled to receive payment of a distribution, the
date on  which  notice  of the  meeting  is  mailed  or the  date on  which  the
resolution of the Board of Directors  declaring such dividend is adopted, as the
case may be, shall be the record date for such  determination  of  shareholders.
When a  determination  of  shareholders  entitled  to  vote  at any  meeting  of
shareholders has been made as provided in this section, such determination shall
apply to any adjournment  thereof except where the  determination  has been made
through the closing of the stock transfer books and the stated period of closing
has expired.

        SECTION 6. FIXING  RECORD DATES FOR CONSENTS TO ACTION.  Unless a record
date shall have  previously  been fixed or  determined  pursuant to Section 5 of
this  Article II,  whenever  action by  shareholders  is proposed to be taken by
consent in writing without a meeting of shareholders, the Board of Directors may
fix a record  date for the  purpose  of  determining  shareholders  entitled  to
consent to that action,  which  record date shall not precede,  and shall not be
more than ten (10) days  after,  the date upon which the  resolution  fixing the
record  date is adopted by the Board of  Directors.  If no record  date has been
fixed by the Board of  Directors  and the prior action of the Board of Directors
is not  required  by the Texas  Business  Corporation  Act,  the record date for
determining  shareholders  entitled  to consent  to action in writing  without a
meeting shall be the first date on which a signed written  consent setting forth
the action  taken or proposed to be taken is  delivered  to the  Corporation  by
delivery to its  registered  office,  its  principal  place of  business,  or an
officer  or  agent  of the  Corporation  having  custody  of the  books in which
proceedings of meetings of shareholders are recorded.  Delivery shall be by hand
or by certified or registered mail,  return receipt  requested.  Delivery to the
Corporation's principal place of business shall be addressed to the President or
the principal executive officer of the Corporation. If no record date shall have
been fixed by the Board of Directors  and prior action of the Board of Directors
is  required  by the  Texas  Business  Corporation  Act,  the  record  date  for
determining  shareholders  entitled  to consent  to action in writing  without a
meeting  shall be at the  close of  business  on the date on which  the Board of
Directors adopts a resolution taking such prior action. 
<PAGE>

        SECTION 7. VOTING LISTS. The officer or agent having charge of the stock
transfer books of the Corporation shall make, at least ten (10) days before each
meeting of shareholders, a complete list of the shareholders entitled to vote at
such meeting,  or any  adjournment  thereof,  complete list of the  shareholders
entitled  to vote at such  meeting,  or any  adjournment  thereof,  arranged  in
alphabetical  order,  with the  address  and the number of shares  held by each,
which list,  for a period of ten (10) days prior to such meeting,  shall be kept
on file at the  registered  office of the  Corporation,  and shall be subject to
inspection by any shareholder at any time during usual business hours. Such list
shall also be produced and opened at the time and place of the meeting and shall
be subject to the  inspection  by any  shareholder  during the whole time of the
meeting.  The original  stock  transfer book shall be prima facie evidence as to
who are the  shareholders  entitled to examine such list or transfer books or to
vote at any meeting of the shareholders.

        SECTION  8.  QUORUM.  A  majority  of  the  outstanding  shares  of  the
Corporation  entitled  to vote,  and  represented  in person or by proxy,  shall
constitute a quorum at a meeting of shareholders  unless  otherwise  provided in
the  Articles  of  Incorporation  of the  Corporation.  If less than a quorum is
represented at a meeting,  a majority of the shares so  represented  may adjourn
the  meeting  from time to time  without  further  notice.  At such  adjournment
meeting at which a quorum shall be present or  represented,  any business may be
transacted  that  might  have  been  transacted  as  originally  notified.   The
shareholders present at duly organized meeting may continue to transact business
until  adjournment,  notwithstanding  the withdrawal of enough  shareholders  to
leave less than a quorum.

        SECTION 9. PROXIES.  At all meetings of shareholders,  a shareholder may
vote by proxy executed in writing by the  shareholder or by his duly  authorized
attorney in fact. A telegram,  telex,  cablegram or similar  transmission by the
shareholder  or  his  duly  authorized  attorney  in  fact,  or a  photographic,
photostatic,  facsimile  or similar  reproduction  of a writing  executed by the
shareholder  or his duly  authorized  attorney  in fact  shall be  treated as an
execution  in writing for  purposes of this  section.  Such proxy shall be filed
with the Secretary of the Corporation before or at the time of the meeting. Such
proxy shall be filed with the Secretary of the Corporation before or at the time
of the  meeting.  No proxy shall be valid after eleven (11) months from the date
of its execution,  unless otherwise  provided in the proxy.  Each proxy shall be
revocable  before it has been voted unless the proxy form  conspicuously  states
that the  proxy  is  irrevocable  and the  proxy is  coupled  with an  interest,
including the appointment as proxy of (a) a pledgee,  (b) a person who purchased
or agreed to purchase,  or owns or holds an option purchase,  the shares,  (c) a
creditor of the  corporation  who extends its credit under terms  requiring  the
appointment,  (d) an  employee  of the  corporation  whose  employment  contract
requires the  appointment,  (d) an employee of the corporation  whose employment
contract requires the appointment,  or (e) a party to a voting agreement created
under the Texas Business  Corporation  Act. A revocable proxy shall be deemed to
have been revoked if the Secretary of the Corporation  shall have received at or
before the meeting  instructions  of revocation or a proxy bearing a later date,
which  instructions  or proxy shall have been duly executed and dated in writing
by the shareholder. 
<PAGE>

        SECTION 10. VOTING OF SHARES.  Except as otherwise provided by the Texas
Business  Corporation  Act,  and  unless  otherwise  expressly  provided  in the
Articles of  Incorporation  of the Corporation or in any resolution of the board
of  directors  adopted  with  regard  to a class or series  of  preferred  stock
authorized by the Articles of Incorporation of the Corporation, each outstanding
share  entitled  to  vote  shall  be  entitled  to one (1)  vote on each  matter
submitted to a vote at a meeting of shareholders.

        SECTION 11. ACTIONS WITHOUT A MEETING.  Any action required or permitted
by the Texas  Business  Corporation  Act to be taken at any  annual  or  special
meeting of shareholders,  may be taken without a meeting,  without prior notice,
and  without a vote,  if a consent or consents  in  writing,  setting  forth the
action so taken,  shall be signed by the holder or holders of shares  having not
less than the  minimum  number of votes  that  would be  necessary  to take such
action at a meeting at which the  holders of all shares  entitled to vote on the
action were  presented and voted.  such writing,  which may be in  counterparts,
shall  be  manually  executed  if  practicable;   provided,   however,  that  if
circumstances so require,  effect shall be given to written consent  transmitted
by telegraph, telex, telecopy or similar means of visual data transmission.

        Every  written  consent  shall  bear  the  date  of  signature  of  each
shareholder who signs the consent. No written consent shall be effective to take
the action  that is the subject of the consent  unless,  within  sixty (60) days
after the date of the earliest dated consent delivered to the Corporation in the
manner  required by this Section 11, a consent or consents  signed by the holder
or holders of shares having not less than the minimum number of votes that would
be necessary to take the action that is the subject of the consent are delivered
to the Corporation by delivery to its registered  office, its principal place of
business,  or an officer or agent of the Corporation having custody of the books
in which proceedings of meetings of shareholders are recorded. Delivery shall be
by hand or by certified or registered mail, return receipt  requested.  Delivery
to the  Corporation's  principal  place of business  shall be  addressed  to the
President or principal executive officer of the Corporation.

        Prompt  notice of the  taking of any  action by  shareholders  without a
meeting  by less  than  unanimous  written  consent  shall  be  given  to  those
shareholders who did not consent in writing to the action.
<PAGE>

        SECTION 12. TELEPHONE  MEETINGS.  Subject to the provisions  required by
the Texas  Business  Corporation  Act for notice of  meetings,  meetings  of the
shareholders  of the  Corporation  may  be  conducted  by  means  of  conference
telephone or similar communications  equipment whereby all persons participating
in the meeting can hear and speak to each other.


                                  ARTICLE III
                               BOARD OF DIRECTORS

        SECTION  1.  GENERAL  POWER.  The  powers  of the  Corporation  shall be
exercised  by or under the  authority  of, and the  business  and affairs of the
Corporation  shall be managed by its Board of  Directors  except as the Board of
Directors  shall  delegate the power to so manage to the Executive  Committee or
other committee.

        SECTION  2.  NUMBER,  TENURE AND  QUALIFICATIONS.  The number of initial
directors  comprising  the  Board  of  Directors  shall  be as set  forth in the
Articles of Incorporation.  Upon resolution of the Board of Directors the number
of directors may increased or decrease, but no decrease shall have the effect of
shortening the term of any incumbent director.  Each director shall office until
the next annual meeting of the shareholders,  unless earlier removed,  and until
his successor  shall have been elected and  qualified.  A director need not be a
resident of the State of Texas or a shareholder of the Corporation.

        SECTION 3. REGULAR MEETINGS. A regular meeting of the Board of Directors
shall be held without notice other than this bylaw immediately after, and at the
same place as, the annual  meeting of  shareholders.  The Board of Directors may
provide,  by resolution,  the time and place, wither within or without the State
of Texas,  for the holding of additional  regular  meetings without notice other
than such resolution.

        SECTION 4. SPECIAL MEETINGS.  Special meetings of the Board of Directors
may be called by or at the request of the President or a majority of the elected
and acting directors from time to time. The person or persons authorized to call
special  meetings of the Board of Directors may fix any place,  either within or
without the State of Texas,  as the place for holding any special meeting called
by them.

        SECTION  5.  NOTICE.  Written  notice of any  special  meeting  shall be
delivered  personally  to each  director  or by mail or  telegram,  telecopy  or
similar  means of visual data  transmission  to each  director  at his  business
address,  in all cases at least one (1) day prior to such  meeting.  If  mailed,
such notice shall be deemed to be  delivered  two (2) days after such notice has
been  deposited in the United  States mail so  addressed,  with postage  thereon
prepaid.  If notice is given by telegram,  telex,  telecopy or similar  means of
visual data  transmission,  such  notice  shall be deemed to be  delivered  when
transmitted  for  delivery to the  recipient at such  address.  Any director may
waive notice of any meeting.  The  attendance  of a director at a meeting  shall
constitute a waiver of notice of such meeting, except where a director attends a
meeting for the express  purpose of objecting to the transaction of any business
because that meeting is not lawfully called or convened. Neither the business to
be transacted at, nor the purpose of any regular or special meeting of the Board
of  Directors  need be  specified  in the  notice,  or  waiver of notice of such
meeting. 
<PAGE>

        SECTION 6.  QUORUM.  A  majority  of the  number of  directors  fixed in
accordance with Section 2 of this Article III shall  constitute a quorum for the
transaction  of business at any meeting of the Board of  Directors,  but if less
than such majority is present at a meeting,  a majority of the directors present
may adjourn the meeting from time to time without further notice.

        SECTION 7.  MANNER OF ACTING.

        (a) ACTIONS AT A MEETING.  Except as provided in  Paragraph  (b) of this
Section  7, the act of the  majority  of the  directors  present at a meeting at
which a quorum is present shall be the act of the Board of Directors.

        (b) ACTIONS  WITHOUT A MEETING.  Any action  required or permitted to be
taken at a  meeting  of the Board of  Directors  or any  committee  may be taken
without a meeting,  if a consent in writing,  setting forth the action so taken,
is signed by all of the members of the Board of Directors,  Executive  Committee
or other  committee,  as the case may be. Such consent shall have the same force
and effect as a  unanimous  vote at a  meeting.  Such  writing,  which may be in
counterparts, shall be manually executed if practicable; provided, however, that
if  circumstances  so  require,   effect  shall  be  given  to  written  consent
transmitted by telegraph, telex, telecopy, or other similar means of visual data
transmission.

        (c) TELEPHONE MEETINGS.  Subject to the provisions required by the Texas
Business  Corporation  Act for  notice  of  meetings,  meetings  of the Board of
Directors  of the  Corporation  or any  committee  may be  conducted by means of
conference  telephone or similar  communications  equipment  whereby all persons
participating in the meeting can hear and speak to each other.

        SECTION 8.  VACANCIES.  Any vacancy  occurring in the Board of Directors
may be filled by the  affirmative  vote of (a) the  holders of a majority of the
outstanding  shares  entitled to vote thereon at an annual or special meeting of
shareholders  called  for  that  purpose,  or (b) a  majority  of the  remaining
directors though less than a quorum of the Board of Directors.  A person elected
to fill a vacancy shall be elected for the unexpired term of his  predecessor in
office.

        A vacancy shall be deemed to exist by reason of the death or resignation
of the person elected, or upon the failure of shareholders to elect directors to
fill the unexpired term of directors  removed in accordance  with the provisions
of Section 9 of this Article III.

        A  directorship  to be filled by reason of an  increase in the number of
directors may be filled by (a) the affirmative vote of the holders of a majority
of the  outstanding  shares  entitled  to vote  thereon  at an annual or special
meeting of  shareholders  called for that  purpose or (b) the board of directors
for a term of office  continuing  only  until the next  election  of one or more
directors by the  shareholders;  provided,  that the board of directors  may not
fill  more  than  two such  directorships  during  the  period  between  any two
successive annual meetings of shareholders.
<PAGE>

        SECTION 9. REMOVAL.  At any meeting of shareholders called expressly for
the purpose of removal,  any director or the entire  Board of  Directors  may be
removed,  with or without  cause,  by a vote of the holders of a majority of the
shares then entitled to vote at an election of  directors.  Removal of directors
with or without cause may also be accomplished  by unanimous  written consent of
the shareholders  without a meeting. In case the entire board or any one or more
of the  directors  are so  removed,  new  directors  may be  elected at the same
meeting, or by the same written consent,  for the unexpired term of the director
or directors so removed.  Failure to elect  directors to fill the unexpired term
of the  directors so removed shall be deemed to create a vacancy or vacancies in
the Board of Directors.

        SECTION 10. COMPENSATION.  By resolution of the Board of Directors,  the
directors may be paid their  expenses,  if any, of attendance at each meeting of
the  Board of  Directors,  and may be paid a fixed  sum for  attendance  at each
meeting  of the  Board of  Directors  or a stated  salary as  director.  No such
payment shall  preclude any director from serving the  Corporation  in any other
capacity and receiving compensation therefor.

        SECTION 11.  PRESUMPTION OF ASSENT. A director of the Corporation who is
present at a meeting of the Board of Directors in which action on any  corporate
matter is taken shall be presumed to have  assented to the action  taken  unless
his dissent to such action with the person  acting as  Secretary  of the meeting
before the adjournment thereof, or shall forward such dissent by registered mail
to the Secretary of the  Corporation  immediately  after the  adjournment of the
meeting.  Such right to dissent shall not apply to a director who voted in favor
of such action.

        SECTION 12. EXECUTIVE AND OTHER COMMITTEES.  There may be established an
Executive  Committee,  and on or more other committees,  composed of one or more
directors  designated by resolution  adopted by a majority of the full number of
directors  of the Board of Directors  as fixed in  accordance  with Section 2 of
this Article III. The Executive  Committee or such other  committees  may met at
stated  times,  or on notice to all members by any one member.  Vacancies in the
membership of the Executive  Committee or such other  committees shall be filled
by a majority  vote of the full number of directors on the Board of Directors at
a regular  meeting or at a special  meeting called for that purpose.  During the
intervals  between meetings of the Board, the Executive  Committee,  if it shall
have been established, may advise and aid the officers of the Corporation in all
matters  concerning its interest and the  management of its business,  and shall
generally  perform  such duties and  exercise  such powers as may be directed or
delegated  by the Board of Directors  from time to time.  The Board of Directors
may delegate to the Executive  Committee or such other  committees the authority
to  exercise  all the  powers of the  Board of  Directors,  except  the power to
declared  dividends or to authorize  the issuance of shares of the  Corporation,
and  where  action  of the full  Board of  Directors  is  required  by the Texas
Business  Corporation  Act. The  designation  of and  delegation of power to the
Executive Committee shall not operate to relieve the Board of Directors,  or any
members thereof, of any responsibility imposed upon it or him by law.
<PAGE>


                                   ARTICLE IV
                                    OFFICERS

        SECTION 1. NUMBER. The officers of the Corporation shall be a President,
one or more  Vice-Presidents  (the  number  and  specific  titles  thereof to be
determined by the Board of  Directors),  a Secretary,  and a Treasurer,  each of
whom  shall be  elected  by the Board of  Directors.  Such  other  officers  and
assistant officers as may be deemed necessary may be elected or appointed by the
Board of Directors. Any two or more offices may be held by the same person.

        SECTION 2. ELECTION AND TERM OF OFFICE.  the officers of the Corporation
shall be elected  annually by the Board of Directors  at the regular  meeting of
the Board of Directors  held after each annual meeting of the  shareholders.  If
the election  shall not be held at such meeting,  such election shall be held as
soon  thereafter as may be convenient.  Each officer shall hold office until his
successor  shall have been duly  elected  or until his death,  or until he shall
resign or shall have been removed in the manner hereinafter provided.

        SECTION 3. REMOVAL. Any officer may be removed by the Board of Directors
whenever in its judgment the best interests of the  Corporation  would be served
thereby,  but such removal shall be without prejudice to the contract rights, if
any, of the person so removed.

        SECTION 4.  VACANCIES.  A vacancy in any office, because of death,
resignation, removal, disqualification or otherwise, may be filled by the Board
of Directors for the unexpired portion of the term.

        SECTION 5. PRESIDENT. The President shall be the chief executive officer
of the Corporation and, subject to the control of the Board of Directors , shall
in general  supervise  and control all of the day to day business and affairs of
the Corporation. He shall perform all duties incident to the office of President
and such other duties as may be prescribed  by the Board of Directors  from time
to time.

        SECTION 6. THE VICE  PRESIDENTS.  In the absence of the  President or in
the event of his death,  inability  or refusal to act,  the Vice  President  (or
should there be more than one Vice  President,  the Vice Presidents in the order
designated at the time of their  election,  or in the absence of any designation
then in the order of their election) shall perform the duties of President,  and
when  so  acting,  shall  have  all  the  powers  of an be  subject  to all  the
restrictions upon the President. He shall perform such other duties as from time
to time may be assigned to him by the President or the Board of Directors.

        SECTION 7. THE SECRETARY.  The Secretary  shall: (a) keep the minutes of
the  shareholders'  and the Board of  Directors'  meetings  in one or more books
provided for that purpose; (b) see that all notices are duly given in accordance
with the provisions of these Bylaws,  or as required by law; (c) be custodian of
the corporate records and of the seal of the Corporation,  and see that the seal
of  the  Corporation  is  affixed  to all  documents  as  may  be  necessary  or
appropriate;  (d) keep a register of the post office address of each shareholder
which shall be furnished to the Secretary of such shareholder;  (e) have general
charge of the  stock  transfer  books of the  Corporation;  and (f) in  general,
perform all duties incident to the office of Secretary, and such other duties as
from  time to time may be  designated  to him by the  President  or the Board of
Directors.
<PAGE>

        SECTION 8. THE  TREASURER.  If required by the Board of  Directors,  the
Treasurer shall give a bond for the faithful discharge of his duties in such sum
, and with such surety or sureties,  as the Board of Directors shall  determine.
He shall:  (a) have charge and custody of, and be responsible for, all funds and
securities of the Corporation from any source  whatsoever,  and deposit all such
moneys in the name of the Corporation in such banks,  trust companies,  or other
depositories as shall be selected by the Board of Directors;  and (b) in general
perform  all of the duties  incident to the office of  Treasurer  and such other
duties as from time to time may be  assigned to him by the  President  or by the
Board of Directors.

        SECTION 9. ASSISTANT SECRETARIES AND ASSISTANT TREASURERS. The Assistant
Secretaries  when  authorized  by the  Board  of  Directors  may  sign  with the
President,  or a Vice President,  certificates for shares of the Corporation the
issuance of which shall have been  authorized  by a  resolution  of the Board of
Directors.  The Assistant  Treasurers  shall,  respectively,  if required by the
Board of  Directors,  give bonds for the  faithful  discharge of their duties in
such sums and with such sureties as the Board of Directors shall determine.  The
Assistant Secretaries and Assistant Treasurers,  in general,  shall perform such
duties  as  shall  be  assigned  to  them  by the  Secretary  or the  Treasurer,
respectively, or by the President or the Board of Directors.

        SECTION 10.  SALARIES.  The salaries,  if any, of the officers  shall be
fixed  from  time to time by the  Board of  Directors  and no  officer  shall be
prevented  from  receiving  such  salary by reason of the fact that he is also a
director of the Corporation.


                                   ARTICLE V
               CERTIFICATES FOR SHARES, TRANSFER AND REPLACEMENT

        SECTION 1. CERTIFICATES FOR SHARES.  Certificates representing shares of
the  Corporation  shall be in such form as shall be  determined  by the Board of
Directors.  Such  certificates  shall  be  signed  by  the  President  or a Vice
President,  and by the Secretary or an Assistant Secretary. If such certificates
are signed or  countersigned  by a transfer  agent or registrar,  other than the
Corporation,  such  signature of the President or a Vice President and Secretary
or Assistant Secretary, and the seal of the Corporation,  or any of them, may be
executed in  facsimile,  engraved  or printed.  If any officer who has signed or
whose facsimile signature has been place on any certificate shall have ceased to
be such  officer  before  the  certificate  is  issued,  it may be issued by the
Corporation  with the same effect as if the officer has not ceased to be such at
the date of issue. All  certificates for shares shall be consecutively  numbered
or otherwise  identified.  The name and address of the person to whom the shares
represented  thereby  are  issued  with the  number of shares and date of issue,
shall  be  entered  on  the  stock  transfer  books  of  the  Corporation.   All
certificates  surrendered to the  Corporation for transfer shall be canceled and
no new  certificate  shall be issued  until the  former  certificate  for a like
number of shares shall have been  surrendered and canceled,  except that in case
of a lost,  stolen or  destroyed  a new one may be issued  therefor  provided in
Section 3 of this Article V. 
<PAGE>

        SECTION 2.  TRANSFER OF SHARES.  Transfer  of shares of the  Corporation
shall be made only on the stock transfer books of the Corporation upon surrender
for  cancellation  of the certificate for such shares together with a request to
transfer and such other  documents and opinion as counsel to the Corporation may
require.  The person in whose name shares stand on the books of the  Corporation
shall be deemed by the Corporation to be the owner thereof for all purposes.

        SECTION 3. LOST, STOLEN OR DESTROYED CERTIFICATES. The Corporation shall
issue a new certificate in place of any certificate for shares previously issued
if the registered  owner of the  certificate:  (a) makes proof in affidavit form
that it has been lost,  destroyed or wrongfully taken; (b) requests the issuance
of a new certificate  before the Corporation has notice that the certificate has
been  acquired by a purchaser  for value in good faith and without  notice of an
adverse claim;  (c) gives a bond in such form, and with such surety or sureties,
with fixed or open penalty,  as the Corporation  may direct,  or indemnifies the
Corporation  (and its transfer  agent and  registrar,  if any) against any claim
that may be made on account of the  alleged  loss,  destruction  or theft of the
certificates; and (d) satisfies any other reasonable requirements imposed by the
Corporation.   When  a  certificate  has  been  lost,  apparently  destroyed  or
wrongfully  taken,  and the  holder of record  fails to notify  the  Corporation
within  a  reasonable  time  after  he has  notice  of it,  and the  Corporation
registers  a  transfer  of the  shares  represented  by the  certificate  before
receiving such  notification,  the holder of record is precluded from making any
claim against the Corporation for the transfer or for new certificate.


                                   ARTICLE VI
                                  FISCAL YEAR

        The Board of Directors shall, by resolution,  fix the fiscal year of the
Corporation.

                                  ARTICLE VII
                                 DISTRIBUTIONS

        The Board of Directors may from time to time make  distributions  in the
manner provided by law.

                                  ARTICLE VIII
                                      SEAL

        The Board of  Directors  may  provide a corporate  seal,  which shall be
circular in form and shall have inscribed  thereon the name of the  Corporation,
the State of incorporation, and the five-pointed Texas star.

                                   ARTICLE IX
                                WAIVER OF NOTICE

        Whenever  any  notice  is  required  to be given to any  shareholder  or
director of the Corporation  under the provisions of these Bylaws,  the Articles
of  Incorporation  or the Texas  Business  Corporation  Act, a waiver thereof in
writing signed by the person or persons entitled to such notice,  whether before
or after the time stated  therein,  shall be deemed  equivalent of the giving of
such notice. 
<PAGE>

                                   ARTICLE X
                                   PROCEDURE

        Meetings  of the  shareholders  and of the Board of  Directors  shall be
conducted in  accordance  with the  procedure as contained in Robert's  Rules of
Order, to the extent applicable.

                                   ARTICLE XI
          PARTICIPATION OF DIRECTORS AND OFFICERS IN RELATED BUSINESS

        Unless  otherwise  provided by contract,  officers and directors of this
Corporation may hold positions as officers and directors of other  corporations,
in  related  businesses,  and their  efforts to advance  the  interest  of those
corporations  will not create a breach of fiduciary duty to this  Corporation in
the absence of bad faith.

                                  ARTICLE XII
                                   AMENDMENTS

        The Board of Directors shall have the exclusive power to alter, amend or
repeal  these  Bylaws or adopt  new  Bylaws,  subject  to  amendment,  repeal or
adoption of new bylaws by action of the shareholders and unless the shareholders
in amending,  repealing or adopting a new Bylaw expressly provide that the Board
of  Directors  may not amend or repeal that Bylaw.  The Board of  Directors  may
exercise  this  power at any  regular  or  special  meeting at which a quorum is
present by the  affirmative  vote of a majority of the Directors  present at the
meeting and without  any notice of the action  taken with  respect to the Bylaws
having been contained in the notice of waiver of notice of such meeting.

<PAGE>

                                                                 Exh. 10-28

                              AMENDED AND RESTATED
                           ARTICLES OF INCORPORATION
                                       OF
                  SUN VALLEY PHYSICIAN MANAGEMENT CORPORATION



                                  ARTICLE ONE

        Pursuant  to the  provisions  of  Article  4.07  of the  Texas  Business
Corporation  Act (the Act), Sun Valley  Physician  Management  Corporation  (the
Corporation),  adopts these Amended and Restated  Articles of Incorporation  and
all  amendments  in effect to date and as further  amended by such  Amended  and
Restated Articles of Incorporation as hereinafter set forth and which contain no
other change in any provision thereof.

                                  ARTICLE TWO

        The  Articles of  Incorporation  of the  Corporation  are amended by the
Amended and Restated Articles of Incorporation as follows:

                The  amendments  alter or change and/or  renumber  Articles One,
Four, Six, Eight,  Nine and Twelve of the original Articles of Incorporation and
the full text of each provision altered is as follows:

                                  ARTICLE ONE

                The name of the corporation is APS Practice Management, Inc.

                                  ARTICLE TWO

        The name of the  registered  agent of the  Corporation is CT Corporation
System.  The address of the registered office of the Corporation in the State of
Texas is 811 Dallas Avenue, Houston, Texas 77002.

                                  ARTICLE FOUR

        Section 4.1  AUTHORIZED  SHARES.  The aggregate  number of shares of all
classes of stock that the Corporation shall have authority to issue is Fifty-one
Million   Two  Hundred   Twenty-Two   Thousand   Two  Hundred  and   Twenty-four
(51,222,224), consisting of and divided into:

                (i)     One class of Fifty Million (50,000,000) shares of Common
, $0.001 par value per share;
<PAGE>

                (ii)    One class of Two Hundred Twenty-two Thousand Two Hundred
 Two Hundred and Twenty-four (222,224) shares of Serial Founders Common Stock,
$0.001 par value per share, as may be divided into and issued in Series as
hereinafter provided; and

                (iii)  One  class of One  Million  (1,000,000)  shares of Serial
Senior Preferred  Stock,  $0.001 par value per share, as may be divided into and
issued in Series as hereinafter provided.

        Section 4.2 SERIAL FOUNDERS COMMON STOCK:  ISSUANCE IN SERIES. The Board
of Directors is authorized from time to time, acting by resolutions duly adopted
by  two-thirds  of the full Board of  Directors  to divide  the Serial  Founders
Common  Stock into  Series,  to  designate  each  Series,  to fix and  determine
separately  for  each  Series  any  one or more of the  rights  and  preferences
described  in  subsections  (a)  through (d) of this  Section  4.2, to amend the
Certificates of Designation of Rights and Preferences, if any, setting forth the
relative rights and preferences of any such Series consistent with the authority
to fix and determine  such rights and  preferences  as set forth in this Section
4.2 of  Article  Four,  and to issue  shares of any  Series  then or  previously
designated,  fixed and determined.  Notwithstanding the foregoing,  the Board of
Directors  may not take any action that would serve to deny,  amend or limit (i)
the voting rights, including but not limited to the right to vote as a class, of
the  Serial  Founders  Common  Stock or (ii) the right of the  holders of Serial
Founders Common Stock to receive dividends or distributions, unless such changes
result in rights that are  identical  to that of the holders of Common  Stock of
the Corporation, without the written consent of all of the holders of the Serial
Founders Common Stock.  Except as provided herein,  the rights of the holders of
Serial  Founders  Common  Stock  shall be the same as that of the holders of the
Common Stock.

        (a)     rights in the event of voluntary or involuntary liquidation,
dissolution or winding up of the Corporation;

        (b)     sinking fund provisions for the redemption or purchase of shares

        (c)     the price at which, and the terms and conditions on which,
shares may be redeemed;

        (d) the terms and  conditions  on which  shares  may be issued  with the
privilege or  obligation of  conversion  into shares of Common Stock,  but in no
event shall the holders of the Serial  Founders  Common Stock  receive less than
one (1) share of Common Stock for each one (1) share of Serial  Founders  Common
Stock so converted  without the written consent of all the holders of the Serial
Founders Common Stock.

Shares of Serial Founders Common Stock of a particular  series that are redeemed
or converted  under a privilege or obligation to so redeem or convert,  shall be
canceled and shall cease to be part of the authorized shares of the Company.

        Section 4.3 SERIAL  PREFERRED  STOCK:  ISSUANCE IN SERIES.  The Board of
Directors is authorized from time to time, acting by resolutions duly adopted by
two-thirds of the full Board of Directors to divide the Serial  Preferred  Stock
into Series, to designate each Series, to fix and determine  separately for each
Series any one or more of the rights and  preferences  described in  subsections
(a) through (h) of this Section 4.3, to amend the Certificates of Designation of
Rights  and  Preferences,   if  any,  setting  forth  the  relative  rights  and
preferences  of any  such  Series  consistent  with  the  authority  to fix  and
determine  such  rights  and  preferences  as set forth in this  Section  4.3 of
Article Four,  and to issue shares of any Series then or previously  designated,
fixed and determined.
<PAGE>

        (a)  rights  to  receipt  of  dividends  (which  may  be  cumulative  or
non-cumulative)  at such rate or rates,  on such  conditions,  from such date or
dates,  and at such times, and payable in preference to, or in such relation to,
the dividends  payable on any other class or classes or series of stock as shall
be fixed by the Board of Directors;

        (b)     rights in the event of voluntary or involuntary liquidation,
dissolution or winding up of the Corporation;

        (c)     sinking fund provisions for the redemption or purchase of
shares;

        (d)     the price at which, and the terms and conditions on which,
shares may be redeemed;

        (e) the terms and  conditions  on which  shares  may be issued  with the
privilege or obligation  of conversion  into or exchange for shares of any other
class or  classes  or of any  other  series  of the same or any  other  class or
classes of stock of the  Corporation at such price or prices or at such rates of
exchange and with such adjustments as shall be fixed by the Board of Directors;

        (f) voting rights  (including the number of votes per share, the matters
on which the  shares  can vote and the  contingencies  or  events  that make the
voting rights effective);


        (g) conditions and restrictions upon the creation of indebtedness of the
Corporation or any subsidiary upon the issue of any additional  stock (including
additional  shares of such  series or any other  series) and upon the payment of
dividends or the making of other distributions on, and the purchase,  redemption
or any other acquisition by the Corporation or any subsidiary of any outstanding
stock of the Corporation; and

        (h) such other  preferences  and relative,  participating,  optional and
other special rights and qualifications,  limitations or restrictions thereof as
shall be fixed by the Board of Directors,  so far as not  inconsistent  with the
provisions  of this  Article  Four and to the  full  extent  now or  hereinafter
permitted by Texas law.

Shares of Serial  Preferred  Stock of a  particular  series that are redeemed or
converted  under a privilege  or  obligation  to so redeem or convert,  shall be
canceled and shall cease to be part of the authorized shares of such Series, but
shall be  restored  to the status of  authorized,  but  unissued,  shares of the
Corporations Serial Preferred Stock, without designation.
<PAGE>

        Section 4.4     COMMON STOCK.

        (a) The Common  Stock is subject and  subordinate  to any and all of the
rights, privileges,  preferences and priorities of the Serial Preferred Stock of
the  Corporation  as set forth in this Article Four.  All shares of Common Stock
shall be of equal rank and shall be  identical  in all  respects.  All shares of
Common Stock shall be of equal rank to the shares of the Serial  Founders Common
Stock, except as expressly provided for herein.

        (b)  LIQUIDATION,  DISSOLUTION  OR  WINDING  UP.  In  the  event  of any
voluntary or involuntary  liquidation,  dissolution or winding up of the affairs
of the  Corporation  and after the holders of Serial  Preferred Stock shall have
received payment for any liquidation  preferences  therefor, or a sum sufficient
for such payment in full shall have been set aside,  the remaining assets of the
Corporation  shall be divided  and  distributed  among the holders of the Common
Stock  based on the ratio  which the number of shares of Common  Stock  owned by
each such holder bears to the aggregate number of issued and outstanding  shares
of Common Stock.

        (c) VOTING.  Subject to any voting rights of holders of Serial Preferred
Stock,  the holders of shares of Common Stock shall possess full voting power in
the election of directors and for all other purposes,  and each holder of Common
Stock shall at every meeting of the shareholders be entitled to one (1) vote for
each  share  of  Common  Stock  held by  such  holder  on the  record  date  for
determining shareholders entitled to vote at such meeting.

        (d) DIVIDENDS.  Subject to any prior  dividend  rights of the holders of
the Serial  Preferred  Stock,  the holders of Common  Stock shall be entitled to
receive, on a share for share basis, such dividends as may be declared from time
to time by the Board of Directors.

        (e)  REDEMPTION.  The  shares of Common  Stock  shall not be  subject to
redemption  or  repurchase  by the  Corporation  except  pursuant  to a  written
agreement between the Corporation and the holder.

        Section 4.5  ISSUANCE AND SALE OF STOCK.  The Board of  Directors  shall
have the power and authority at any time and from time to time to issue, sell or
otherwise dispose of any authorized and unissued shares of any class of stock of
the  Corporation to such persons or parties,  including the holders of any class
of stock, for such  consideration (not less than the par value, if any, thereof)
and upon such terms and  conditions as the Board of Directors in its  discretion
may deem to be in the best interests of the Corporation.

                                  ARTICLE SIX

        Section 6.1 BALLOT.  Election of directors need not be ballot unless the
Bylaws of the Corporation so provide.

        Section 6.2 NO CUMULATIVE  VOTING. At each election for directors of the
Corporation,  each shareholder  entitled to vote at such election shall have the
right to vote,  in person or by proxy,  only the number of shares  owned by them
for as many  persons as there are  directors to be elected,  and no  shareholder
shall ever have the right or be permitted to cumulate  their votes on any basis,
any and all rights of cumulative voting being hereby expressly denied.
<PAGE>

        Section 6.3  VACANCY.  So long as at least one of the  directors  of the
Corporation continues to serve as a director of the Corporation,  any vacancy on
the Corporations Board of Directors,  whether arising through death, resignation
or removal of a director,  or through an increase in the number of  directors of
any  class,  shall be filled by a  majority  of the  directors  then in  office,
although less than a quorum, or by the sole remaining director, and shall not be
filled by a vote of the shareholders of the Corporation.

        Section 6.4 NUMBER.  The number of directors,  constituting the Board of
Directors  shall be fixed as  specified  in the Bylaws of the  Corporation,  but
shall  not be less than one (1) nor more  than  nine  (9).  No more  than  forty
percent  (40%)  of  the  directors   shall  be   physicians   actively   engaged
substantially full time in the practice of medicine.

        Section 6.5 TERM AND ELECTION.  Each director  shall be elected to serve
for one (1) year and until their  successors  are elected and qualified or until
their earlier death, resignation, removal or retirement. Any director elected or
appointed  to fill a vacancy  shall  hold  office  for the  remaining  term.  No
decrease in the number of directors  constituting  the Board of Directors  shall
shorten  the  term  of any  incumbent  director.  The  Bylaws  may  contain  any
provisions   regarding   classification   of  the  Corporations   directors  not
inconsistent with the terms hereof.

        Section 6.6  REMOVAL.  Any  director or the entire Board of Directors of
the Corporation may be removed with or without cause by the affirmative  vote of
the  holders of a majority of the  outstanding  shares of stock,  regardless  of
class.

                                 ARTICLE SEVEN

        In furtherance and not in limitation of the powers conferred by the laws
of the  State of  Texas,  but  subject  to the  provisions  of the  Articles  of
Incorporation, the Board of Directors is expressly authorized to adopt, amend or
repeal the Bylaws of the Corporation.  The Bylaws of the Corporation may also be
amended,  altered  or  repealed  by the  affirmative  vote of the  holders  of a
majority of the outstanding shares of stock, regardless of class.

                                  ARTICLE NINE

        A former,  future or current  director of the  Corporation  shall not be
personally  liable  to the  Corporation,  any of its  shareholders  or any other
director or third party,  for monetary damages for breach of fiduciary duty as a
director  of the  Corporation,  except for  liability  for (i) any breach of the
directors duty of loyalty to the Corporation or its  shareholders,  (ii) acts or
omissions not in good faith or which involve intentional misconduct or a knowing
violation of law or (iii) any  transaction  from which the  director  derived an
improper  personal  benefit.  It is the intent of the  Corporation to exempt the
persons referred to in this Article Nine from personal  liability to the fullest
extent permitted by law. 
<PAGE>

                The following  amendments are added to the original  Articles of
Incorporation and the full text of each new provision is as follows:

                                 ARTICLE EIGHT

        Meetings of the  shareholders may be held within or without the State of
Texas,  as  the  Bylaws  of  the  Corporation  may  provide.  The  books  of the
Corporation  may be kept  outside  the State of Texas at such place or places as
may be  designated  from time to time by the Board of Directors or in the Bylaws
of Incorporation.

                                  ARTICLE TEN

        Section 10.1 Indemnification. The Corporation shall indemnify any person
who was or is a party or is  threatened  to be made a party  to any  threatened,
pending or completed action, suit or proceeding,  or appeals therefrom,  whether
civil, criminal,  administrative or investigative (other than an action by or in
the  right of the  Corporation)  by  reason  of the fact that they are or were a
director,  officer, employee or agent of the Corporation, or are or were serving
at the request of the Corporation as a director,  officer,  employee or agent of
another  corporation,  partnership,  joint venture,  trust or other  enterprise,
against expenses (including attorneys fees) damages,  judgments,  fines, amounts
paid in settlement and other  liabilities  actually and  reasonably  incurred by
them in connection with such action,  suit or proceeding,  if they acted in good
faith and in a manner  they  reasonably  believed to be in or not opposed to the
best interests of the  Corporation,  and, with respect to any criminal action or
proceeding,  had no reasonable cause to believe their conduct was unlawful.  The
termination of any action,  suit or proceeding by judgment,  order,  settlement,
conviction or upon a plea of nolo  contendere or its  equivalent,  shall not, of
itself,  create a presumption that the person did not act in good faith and in a
manner  which  they  reasonably  believed  to be in or not  opposed  to the best
interest  of the  Corporation,  and,  with  respect  to any  criminal  action or
proceeding, had reasonable cause to believe that his conduct was unlawful.

        Section 10.2 Indemnification from Corporate Proceedings. The Corporation
shall  indemnify  any person who was or is a party or is threatened to be made a
party to any threatened,  pending or completed action or suit by or in the right
of the Corporation to procure a judgment in its favor by reason of the fact that
they are or were a director,  officer, employee or agent of the Corporation,  or
are or were serving at the request of the  Corporation  as a director,  officer,
employee or agent of another  corporation,  partnership joint venture,  trust or
other  enterprise,  against  expenses  (including  attorneys  fees) actually and
reasonably incurred by them in connection with the defense or settlement of such
action  or suit if they  acted in good  faith  and in a manner  they  reasonably
believed to be in or not opposed to the best  interests of the  Corporation  and
except that no  indemnification  shall be made in respect of any claim, issue or
matter as to which  such  person  shall have been  adjudged  to be liable to the
Corporation unless and only to the extent that the court in which such action or
suit was brought shall determine upon application that, despite the adjudication
of liability,  but in view of all the  circumstances of the case, such person is
fairly and  reasonably  entitled to indemnity for such expenses such court shall
deem proper. 
<PAGE>

        Section 10.3 MANDATORY  INDEMNIFICATION.  To the extent that a director,
officer,  employee or agent of the Corporation has been successful on the merits
or  otherwise  in defense  of any  action,  suit or  proceeding  referred  to in
Sections 10.1 and 10.2 of this Article Ten, or in defense of any claim, issue or
matter therein,  they shall be indemnified against expenses (including attorneys
fees) actually and reasonably incurred by them in connection  therewith.  In the
event a  determination  is made under  Section  10.4 that a  director,  officer,
employee or agent of the Corporation has met the applicable  standard of conduct
as to some matters,  but no such  determination has been made as to others,  the
amount to be indemnified may be reasonably prorated.

        Section 10.4 DETERMINATION OF INDEMNIFICATION. Any indemnification under
Sections 10.1 and 10.2 of this Article Ten (unless  ordered by a court) shall be
made  by the  Corporation  only  as  authorized  in  the  specific  case  upon a
determination that indemnification of the director,  officer,  employee or agent
is proper in the circumstances  because they have met the applicable standard of
conduct  set  forth  in  Sections  10.1  and  10.2 of  this  Article  Ten.  Such
determination  shall be made (i) by the Board of Directors by a majority vote of
a quorum  consisting of directors  who were not parties to such action,  suit or
proceeding,  (ii) if such a quorum is not obtainable, or, even, if obtainable, a
quorum of two or more disinterested  directors so directs,  by independent legal
counsel  (selected in accordance  with  subsection  (i)) in a written opinion or
(iii) by a majority vote of the shareholders.

        Section 10.5  EXPENSES.  Expenses  incurred in defending a civil action,
suit or  proceeding  shall be paid by the  Corporation  in  advance of the final
disposition  of such  action,  suit or  proceeding  within  thirty  (30) days of
receipt of (i) a written  affirmation  by such  director,  officer,  employee or
agent of his good faith belief that he has met the standard of conduct necessary
for  indemnification by the Corporation set forth in this Article Ten and (ii) a
written undertaking by or on behalf of the director,  officer, employee or agent
incurring such expense to repay such amount if it shall ultimately be determined
that they are not entitled to be indemnified by the Corporation as authorized in
this Article Ten.

        Article 10.6 CUMULATIVE RIGHTS. The  indemnification  and advancement of
expenses provided by, or granted pursuant to, the other Sections of this Article
Ten shall not be deemed  exclusive  of any other  rights to which those  seeking
indemnification  or  advancement  of expenses  may be entitled  under any Bylaw,
agreement, vote of shareholders or disinterested directors or otherwise, both as
to action in his official  capacity and as to action in another  capacity  while
holding such office.

        Article 10.7 INSURANCE. The Corporation shall have the power to purchase
and  maintain  insurance  on  behalf  of any  person  who is or was a  director,
officer,  employee  or  agent of the  Corporation  or is or was  serving  at the
request of the Corporation as a director,  officer, employee or agent of another
corporation,  partnership,  joint venture, trust or other enterprise against any
liability  asserted  against them and incurred by them in any such capacity,  or
arising out of their status as such,  whether or not the Corporation  would have
the power to indemnify him against such  liability  under the provisions of this
Article Ten.
<PAGE>

        Article 10.8 CONSTITUENT CORPORATIONS. For purposes of this Article Ten,
references  to the  Corporation  shall  include,  in addition  to the  resulting
Corporation,  any  constituent  corporation  (including  any  constituent  of  a
constituent)  absorbed  in a  consolidation  or merger  which,  if its  separate
existence  had  continued,  would have had power and  authority to indemnify its
directors,  officers and employees or agents, so that any person who is or was a
director,  officer, employee or agent of such constituent corporation,  or is or
was  serving  at the  request of such  constituent  corporation  as a  director,
officer, employee or agent of another corporation,  partnership,  joint venture,
trust or other enterprise, shall stand in the same position under the provisions
of this Article Ten with respect to the  resulting or surviving  corporation  as
they would have with  respect to such  constituent  corporation  if its separate
existence had continued.

        Section  10.9  CERTAIN  DEFINITIONS.  For  purposes of this Article Ten,
references to other enterprises shall include employee benefit plans; references
to fines shall include any excise taxes  assessed on a person with respect to an
employee  benefit  plan;  and  references  to  serving  at  the  request  of the
Corporation shall include any service as a director,  officer, employee or agent
of the  Corporation  which  imposes  duties on, or  involves  services  by, such
director,  officer,  employee or agent with respect to an employee benefit plan,
its  participants  or  beneficiaries;  and a person acted in good faith and in a
manner he  reasonably  believed to be in the  interest of the  participants  and
beneficiaries  of an  employee  benefit  plan shall be deemed to have acted in a
manner not opposed to the best  interests of the  Corporation  as referred to in
this Article Ten.

        Section  10.10  HEIRS,  ETC.  The  indemnification  and  advancement  of
expenses  provided  by, or granted  pursuant  to, this  Article Ten shall unless
otherwise provided when authorized or ratified,  continue as to a person who has
ceased to be a  director,  officer,  employee  or agent  and shall  inure to the
benefit of the heirs, executors and administrators of such a person.

        Section 10.11  SEVERABILITY.  The exemption from personal  liability and
indemnification  provided in this  Article Ten shall be subject to all valid and
applicable  laws,  and, in the event this  Article Ten or any of the  provisions
hereof  or  the  exemption  from  personal  liability  of  the   indemnification
contemplated  hereby are found to be  inconsistent  with or contrary to any such
valid laws,  the latter shall be deemed to control and this Article Ten shall be
regarded as modified accordingly, and, as so modified, to continue in full force
and effect.

                                 ARTICLE ELEVEN

        Except as may be  otherwise  provided  in the Act,  or other  applicable
Texas law, no contract,  act or transaction of the Corporation  with any person,
persons, firm, trust,  association or any other corporation shall be affected or
invalidated  by the fact  that any  director,  officer  or  shareholder  of this
Corporation  is a  party  to ,  or is  interested  in,  such  contract,  act  or
transaction,  or in any way connected with any such person, persons, firm, trust
or  association,  or is a  director,  officer  or  shareholder  of or  otherwise
interested in, any such other corporation,  nor shall any duty to pay damages on
account  of  this  Corporation  be  imposed  upon  such  director,   officer  or
shareholder  of this  Corporation  solely by reason of such fact,  regardless of
whether  the  vote,  action  or  presence  of  any  such  director,  officer  or
shareholder may be, or may have been, necessary to obligate this Corporation on,
or in connection with such contract,  act or transaction,  provided that if such
vote,  action or presence  is, or shall have been  necessary,  such  interest or
connection  (other than an interest solely as a  non-controlling  shareholder of
any such other  corporation)  shall have been known by or disclosed to the Board
of Directors of this Corporation. 
<PAGE>

                                 ARTICLE TWELVE

        The Corporation reserves the right to amend, alter, change or repeal any
 provision, save and except for Sections 4.2 and 6.4 of these Articles of
Incorporation, contained in these Articles of Incorporation. The Corporation may
amend,  alter,  change  or  repeal  Sections  4.2 or 6.4 of  these  Articles  of
Incorporation  with the affirmative vote or written consent of the holders of at
least two-thirds (2/3) of the outstanding shares of each class of stock,  voting
on a class basis.

                                 ARTICLE THREE

        Each  such  amendment  made by the  Amended  and  Restated  Articles  of
Incorporation  has been  effected in conformity  with the  provisions of the Act
(the Act) and such Amended and Restated  Articles of Incorporation and each such
amendment made by the Amended and Restated  Articles of Incorporation  were duly
adopted by the shareholders of the Corporation on the 1st day of August, 1997.

                                  ARTICLE FOUR

        The 1,000 shares of $1.00 par value common stock outstanding immediately
prior to this  amendment will be canceled  immediately  after the filing of this
amendment in exchange  for all 222,224  shares of the $0.001 par value per share
Serial Founders Common Stock authorized hereby. No additional consideration will
be given or received in connection with such exchange.  Accordingly, a reduction
in stated  capital  from  $1,000 to  $222.22  will be  necessary,  which will be
effected by a transfer  of $777.78  from stated  capital to  additional  paid in
capital on the books of the Corporation.

                                  ARTICLE FIVE

        The  number of shares  outstanding  was one  thousand  (1,000),  and the
number of shares  entitled  to vote on the  Amended  and  Restated  Articles  of
Incorporation  as so amended was one thousand  (1,000).  All of the shareholders
have  signed a written  consent to the  adoption of such  Amended  and  Restated
Articles of  Incorporation as so amended pursuant to Article 9.10 of the Act and
any written notice required by Article 9.10 of the Act has been given.
<PAGE>

                                  ARTICLE SIX

        The Articles of Incorporation and all amendments and supplements thereto
are  hereby  superseded  by the  following  Amended  and  Restated  Articles  of
Incorporation  which  accurately  copy the entire text thereof and as amended as
set forth above:

                 AMENDED AND RESTATED ARTICLES OF INCORPORATION


                                  ARTICLE ONE

        The name of the Corporation is APS Practice Management, Inc.

                                  ARTICLE TWO

The name of the registered  agent of the  Corporation is CT Corporation  System.
The address of the registered office of the Corporation in the State of Texas is
811 Dallas Avenue, Houston, Texas 77002.

                                 ARTICLE THREE

The purpose of the  Corporation  is to buy, sell and deal in personal  property,
real property and services and any other  activities for which  corporations may
be  organized  under the Act.  No  shareholder  or other  person  shall have any
preemptive rights whatsoever.

                                  ARTICLE FOUR

Section 4.1 AUTHORIZED  SHARES. The aggregate number of shares of all classes of
stock that the  Corporation  shall have authority to issue is Fifty-one  Million
Two  Hundred  Twenty-Two  Thousand  Two Hundred  and  Twenty-four  (51,222,224),
consisting of and divided into:

                (i)     One class of Fifty Million (50,000,000) shares of
Common, $0.001 par value per share;

                (ii) One class of Two Hundred  Twenty-two  Thousand  Two Hundred
Two Hundred and  Twenty-four  (222,224)  shares of Serial Founders Common Stock,
$0.001  par value per  share,  as may be  divided  into and  issued in Series as
hereinafter provided; and

                (iii)  One  class of One  Million  (1,000,000)  shares of Serial
Senior Preferred  Stock,  $0.001 par value per share, as may be divided into and
issued in Series as hereinafter provided.

        Section 4.2 SERIAL FOUNDERS COMMON STOCK:  Issuance in Series. The Board
of Directors is authorized from time to time, acting by resolutions duly adopted
by  two-thirds  of the full Board of  Directors  to divide  the Serial  Founders
Common  Stock into  Series,  to  designate  each  Series,  to fix and  determine
separately  for  each  Series  any  one or more of the  rights  and  preferences
described  in  subsections  (a)  through (d) of this  Section  4.2, to amend the
Certificates of Designation of Rights and Preferences, if any, setting forth the
relative rights and preferences of any such Series consistent with the authority
to fix and determine  such rights and  preferences  as set forth in this Section
4.2 of  Article  Four,  and to issue  shares of any  Series  then or  previously
designated,  fixed and determined.  Notwithstanding the foregoing,  the Board of
Directors  may not take any action that would serve to deny,  amend or limit (i)
the voting rights, including but not limited to the right to vote as a class, of
the  Serial  Founders  Common  Stock or (ii) the right of the  holders of Serial
Founders Common Stock to receive dividends or distributions, unless such changes
result in rights that are  identical  to that of the holders of Common  Stock of
the Corporation, without the written consent of all of the holders of the Serial
Founders Common Stock.  Except as provided herein,  the rights of the holders of
Serial  Founders  Common  Stock  shall be the same as that of the holders of the
Common Stock. 
<PAGE>

        (a)     rights in the event of voluntary or involuntary liquidation,
dissolution or winding up of the Corporation;

        (b)     sinking fund provisions for the redemption or purchase of
shares;

        (c)     the price at which, and the terms and conditions on which,
shares may be redeemed;

        (d) the terms and  conditions  on which  shares  may be issued  with the
privilege or  obligation of  conversion  into shares of Common Stock,  but in no
event shall the holders of the Serial  Founders  Common Stock  receive less than
one (1) share of Common Stock for each one (1) share of Serial  Founders  Common
Stock so converted  without the written consent of all the holders of the Serial
Founders Common Stock.

Shares of Serial Founders Common Stock of a particular  series that are redeemed
or converted  under a privilege or obligation to so redeem or convert,  shall be
canceled and shall cease to be part of the authorized shares of the Company.

        Section 4.3 SERIAL  PREFERRED  STOCK:  Issuance in Series.  The Board of
Directors is authorized from time to time, acting by resolutions duly adopted by
two-thirds of the full Board of Directors to divide the Serial  Preferred  Stock
into Series, to designate each Series, to fix and determine  separately for each
Series any one or more of the rights and  preferences  described in  subsections
(a) through (h) of this Section 4.3, to amend the Certificates of Designation of
Rights  and  Preferences,   if  any,  setting  forth  the  relative  rights  and
preferences  of any  such  Series  consistent  with  the  authority  to fix  and
determine  such  rights  and  preferences  as set forth in this  Section  4.3 of
Article Four,  and to issue shares of any Series then or previously  designated,
fixed and determined.

        (a)  rights  to  receipt  of  dividends  (which  may  be  cumulative  or
non-cumulative)  at such rate or rates,  on such  conditions,  from such date or
dates,  and at such times, and payable in preference to, or in such relation to,
the dividends  payable on any other class or classes or series of stock as shall
be fixed by the Board of Directors; 
<PAGE>

        (b)     rights in the event of voluntary or involuntary liquidation,
dissolution or winding up of the Corporation;

        (c)     sinking fund provisions for the redemption or purchase of
shares;

        (d)     the price at which, and the terms and conditions on which,
shares may be redeemed;

        (e) the terms and  conditions  on which  shares  may be issued  with the
privilege or obligation  of conversion  into or exchange for shares of any other
class or  classes  or of any  other  series  of the same or any  other  class or
classes of stock of the  Corporation at such price or prices or at such rates of
exchange and with such adjustments as shall be fixed by the Board of Directors;

        (f) voting rights  (including the number of votes per share, the matters
on which the  shares  can vote and the  contingencies  or  events  that make the
voting rights effective);

        (g) conditions and restrictions upon the creation of indebtedness of the
Corporation or any subsidiary upon the issue of any additional  stock (including
additional  shares of such  series or any other  series) and upon the payment of
dividends or the making of other distributions on, and the purchase,  redemption
or any other acquisition by the Corporation or any subsidiary of any outstanding
stock of the Corporation; and

        (h) such other  preferences  and relative,  participating,  optional and
other special rights and qualifications,  limitations or restrictions thereof as
shall be fixed by the Board of Directors,  so far as not  inconsistent  with the
provisions  of this  Article  Four and to the  full  extent  now or  hereinafter
permitted by Texas law.

Shares of Serial  Preferred  Stock of a  particular  series that are redeemed or
converted  under a privilege  or  obligation  to so redeem or convert,  shall be
canceled and shall cease to be part of the authorized shares of such Series, but
shall be  restored  to the status of  authorized,  but  unissued,  shares of the
Corporations Serial Preferred Stock, without designation.

        Section 4.4     COMMON STOCK.

        (a) The Common  Stock is subject and  subordinate  to any and all of the
rights, privileges,  preferences and priorities of the Serial Preferred Stock of
the  Corporation  as set forth in this Article Four.  All shares of Common Stock
shall be of equal rank and shall be  identical  in all  respects.  All shares of
Common Stock shall be of equal rank to the shares of the Serial  Founders Common
Stock, except as expressly provided for herein. 
<PAGE>

        (b)  LIQUIDATION,  DISSOLUTION  OR  WINDING  UP.  In  the  event  of any
voluntary or involuntary  liquidation,  dissolution or winding up of the affairs
of the  Corporation  and after the holders of Serial  Preferred Stock shall have
received payment for any liquidation  preferences  therefor, or a sum sufficient
for such payment in full shall have been set aside,  the remaining assets of the
Corporation  shall be divided  and  distributed  among the holders of the Common
Stock  based on the ratio  which the number of shares of Common  Stock  owned by
each such holder bears to the aggregate number of issued and outstanding  shares
of Common Stock.

        (c) VOTING.  Subject to any voting rights of holders of Serial Preferred
Stock,  the holders of shares of Common Stock shall possess full voting power in
the election of directors and for all other purposes,  and each holder of Common
Stock shall at every meeting of the shareholders be entitled to one (1) vote for
each  share  of  Common  Stock  held by  such  holder  on the  record  date  for
determining shareholders entitled to vote at such meeting.

        (d) DIVIDENDS.  Subject to any prior  dividend  rights of the holders of
the Serial  Preferred  Stock,  the holders of Common  Stock shall be entitled to
receive, on a share for share basis, such dividends as may be declared from time
to time by the Board of Directors.

        (e)  REDEMPTION.  The  shares of Common  Stock  shall not be  subject to
redemption  or  repurchase  by the  Corporation  except  pursuant  to a  written
agreement between the Corporation and the holder.

        Section 4.5  ISSUANCE AND SALE OF STOCK.  The Board of  Directors  shall
have the power and authority at any time and from time to time to issue, sell or
otherwise dispose of any authorized and unissued shares of any class of stock of
the  Corporation to such persons or parties,  including the holders of any class
of stock, for such  consideration (not less than the par value, if any, thereof)
and upon such terms and  conditions as the Board of Directors in its  discretion
may deem to be in the best interests of the Corporation.

                                  ARTICLE FIVE

        The Corporation shall have perpetual existence.

                                  ARTICLE SIX

        Section 6.1 BALLOT.  Election of directors need not be ballot unless the
Bylaws of the Corporation so provide.

        Section 6.2 NO CUMULATIVE  VOTING. At each election for directors of the
Corporation,  each shareholder  entitled to vote at such election shall have the
right to vote,  in person or by proxy,  only the number of shares  owned by them
for as many  persons as there are  directors to be elected,  and no  shareholder
shall ever have the right or be permitted to cumulate  their votes on any basis,
any and all rights of cumulative voting being hereby expressly denied.
<PAGE>

        Section 6.3  VACANCY.  So long as at least one of the  directors  of the
Corporation continues to serve as a director of the Corporation,  any vacancy on
the Corporations Board of Directors,  whether arising through death, resignation
or removal of a director,  or through an increase in the number of  directors of
any  class,  shall be filled by a  majority  of the  directors  then in  office,
although less than a quorum, or by the sole remaining director, and shall not be
filled by a vote of the shareholders of the Corporation.

        Section 6.4 NUMBER.  The number of directors,  constituting the Board of
Directors  shall be fixed as  specified  in the Bylaws of the  Corporation,  but
shall  not be less than one (1) nor more  than  nine  (9).  No more  than  forty
percent  (40%)  of  the  directors   shall  be   physicians   actively   engaged
substantially full time in the practice of medicine.

        Section 6.5 TERM AND ELECTION.  Each director  shall be elected to serve
for one (1) year and until their  successors  are elected and qualified or until
their earlier death, resignation, removal or retirement. Any director elected or
appointed  to fill a vacancy  shall  hold  office  for the  remaining  term.  No
decrease in the number of directors  constituting  the Board of Directors  shall
shorten  the  term  of any  incumbent  director.  The  Bylaws  may  contain  any
provisions   regarding   classification   of  the  Corporations   directors  not
inconsistent with the terms hereof.

        Section 6.6  REMOVAL.  Any  director or the entire Board of Directors of
the Corporation may be removed with or without cause by the affirmative  vote of
the  holders of a majority of the  outstanding  shares of stock,  regardless  of
class.

                                 ARTICLE SEVEN

        In furtherance and not in limitation of the powers conferred by the laws
of the  State of  Texas,  but  subject  to the  provisions  of the  Articles  of
Incorporation, the Board of Directors is expressly authorized to adopt, amend or
repeal the Bylaws of the Corporation.  The Bylaws of the Corporation may also be
amended,  altered  or  repealed  by the  affirmative  vote of the  holders  of a
majority of the outstanding shares of stock, regardless of class.

                                 ARTICLE EIGHT

     Meetings  of the  shareholders  may be held  within or without the State of
Texas,  as  the  Bylaws  of  the  Corporation  may  provide.  The  books  of the
Corporation  may be kept  outside  the State of Texas at such place or places as
may be  designated  from time to time by the Board of Directors or in the Bylaws
of the Corporation.

                                  ARTICLE NINE

        A former,  future or current  director of the  Corporation  shall not be
personally  liable  to the  Corporation,  any of its  shareholders  or any other
director or third party,  for monetary damages for breach of fiduciary duty as a
director  of the  Corporation,  except for  liability  for (i) any breach of the
directors duty of loyalty to the Corporation or its  shareholders,  (ii) acts or
omissions not in good faith or which involve intentional misconduct or a knowing
violation of law or (iii) any  transaction  from which the  director  derived an
improper  personal  benefit.  It is the intent of the  Corporation to exempt the
persons referred to in this Article Nine from personal  liability to the fullest
extent permitted by law. 
<PAGE>

                                  ARTICLE TEN

        Section 10.1 INDEMNIFICATION. The Corporation shall indemnify any person
who was or is a party or is  threatened  to be made a party  to any  threatened,
pending or completed action, suit or proceeding,  or appeals therefrom,  whether
civil, criminal,  administrative or investigative (other than an action by or in
the  right of the  Corporation)  by  reason  of the fact that they are or were a
director,  officer, employee or agent of the Corporation, or are or were serving
at the request of the Corporation as a director,  officer,  employee or agent of
another  corporation,  partnership,  joint venture,  trust or other  enterprise,
against expenses (including attorneys fees) damages,  judgments,  fines, amounts
paid in settlement and other  liabilities  actually and  reasonably  incurred by
them in connection with such action,  suit or proceeding,  if they acted in good
faith and in a manner  they  reasonably  believed to be in or not opposed to the
best interests of the  Corporation,  and, with respect to any criminal action or
proceeding,  had no reasonable cause to believe their conduct was unlawful.  The
termination of any action,  suit or proceeding by judgment,  order,  settlement,
conviction or upon a plea of nolo  contendere or its  equivalent,  shall not, of
itself,  create a presumption that the person did not act in good faith and in a
manner  which  they  reasonably  believed  to be in or not  opposed  to the best
interest  of the  Corporation,  and,  with  respect  to any  criminal  action or
proceeding, had reasonable cause to believe that his conduct was unlawful.

        Section 10.2 INDEMNIFICATION FROM CORPORATE PROCEEDINGS. The Corporation
shall  indemnify  any person who was or is a party or is threatened to be made a
party to any threatened,  pending or completed action or suit by or in the right
of the Corporation to procure a judgment in its favor by reason of the fact that
they are or were a director,  officer, employee or agent of the Corporation,  or
are or were serving at the request of the  Corporation  as a director,  officer,
employee or agent of another  corporation,  partnership joint venture,  trust or
other  enterprise,  against  expenses  (including  attorneys  fees) actually and
reasonably incurred by them in connection with the defense or settlement of such
action  or suit if they  acted in good  faith  and in a manner  they  reasonably
believed to be in or not opposed to the best  interests of the  Corporation  and
except that no  indemnification  shall be made in respect of any claim, issue or
matter as to which  such  person  shall have been  adjudged  to be liable to the
Corporation unless and only to the extent that the court in which such action or
suit was brought shall determine upon application that, despite the adjudication
of liability,  but in view of all the  circumstances of the case, such person is
fairly and  reasonably  entitled to indemnity for such expenses such court shall
deem proper.

        Section 10.3 MANDATORY  INDEMNIFICATION.  To the extent that a director,
officer,  employee or agent of the Corporation has been successful on the merits
or  otherwise  in defense  of any  action,  suit or  proceeding  referred  to in
Sections 10.1 and 10.2 of this Article Ten, or in defense of any claim, issue or
matter therein,  they shall be indemnified against expenses (including attorneys
fees) actually and reasonably incurred by them in connection  therewith.  In the
event a  determination  is made under  Section  10.4 that a  director,  officer,
employee or agent of the Corporation has met the applicable  standard of conduct
as to some matters,  but no such  determination has been made as to others,  the
amount to be indemnified may be reasonably prorated. 
<PAGE>

        Section 10.4 DETERMINATION OF INDEMNIFICATION. Any indemnification under
Sections 10.1 and 10.2 of this Article Ten (unless  ordered by a court) shall be
made  by the  Corporation  only  as  authorized  in  the  specific  case  upon a
determination that indemnification of the director,  officer,  employee or agent
is proper in the circumstances  because they have met the applicable standard of
conduct  set  forth  in  Sections  10.1  and  10.2 of  this  Article  Ten.  Such
determination  shall be made (i) by the Board of Directors by a majority vote of
a quorum  consisting of directors  who were not parties to such action,  suit or
proceeding,  (ii) if such a quorum is not obtainable, or, even, if obtainable, a
quorum of two or more disinterested  directors so directs,  by independent legal
counsel  (selected in accordance  with  subsection  (i)) in a written opinion or
(iii) by a majority vote of the shareholders.

        Section 10.5  EXPENSES.  Expenses  incurred in defending a civil action,
suit or  proceeding  shall be paid by the  Corporation  in  advance of the final
disposition  of such  action,  suit or  proceeding  within  thirty  (30) days of
receipt of (i) a written  affirmation  by such  director,  officer,  employee or
agent of his good faith belief that he has met the standard of conduct necessary
for  indemnification by the Corporation set forth in this Article Ten and (ii) a
written undertaking by or on behalf of the director,  officer, employee or agent
incurring such expense to repay such amount if it shall ultimately be determined
that they are not entitled to be indemnified by the Corporation as authorized in
this Article Ten.

        Article 10.6 CUMULATIVE RIGHTS. The  indemnification  and advancement of
expenses provided by, or granted pursuant to, the other Sections of this Article
Ten shall not be deemed  exclusive  of any other  rights to which those  seeking
indemnification  or  advancement  of expenses  may be entitled  under any Bylaw,
agreement, vote of shareholders or disinterested directors or otherwise, both as
to action in his official  capacity and as to action in another  capacity  while
holding such office.

        Article 10.7 INSURANCE. The Corporation shall have the power to purchase
and  maintain  insurance  on  behalf  of any  person  who is or was a  director,
officer,  employee  or  agent of the  Corporation  or is or was  serving  at the
request of the Corporation as a director,  officer, employee or agent of another
corporation,  partnership,  joint venture, trust or other enterprise against any
liability  asserted  against them and incurred by them in any such capacity,  or
arising out of their status as such,  whether or not the Corporation  would have
the power to indemnify him against such  liability  under the provisions of this
Article Ten.

        Article 10.8 CONSTITUENT CORPORATIONS. For purposes of this Article Ten,
references  to the  Corporation  shall  include,  in addition  to the  resulting
Corporation,  any  constituent  corporation  (including  any  constituent  of  a
constituent)  absorbed  in a  consolidation  or merger  which,  if its  separate
existence  had  continued,  would have had power and  authority to indemnify its
directors,  officers and employees or agents, so that any person who is or was a
director,  officer, employee or agent of such constituent corporation,  or is or
was  serving  at the  request of such  constituent  corporation  as a  director,
officer, employee or agent of another corporation,  partnership,  joint venture,
trust or other enterprise, shall stand in the same position under the provisions
of this Article Ten with respect to the  resulting or surviving  corporation  as
they would have with  respect to such  constituent  corporation  if its separate
existence had continued. 
<PAGE>

        Section  10.9  CERTAIN  DEFINITIONS.  For  purposes of this Article Ten,
references to other enterprises shall include employee benefit plans; references
to fines shall include any excise taxes  assessed on a person with respect to an
employee  benefit  plan;  and  references  to  serving  at  the  request  of the
Corporation shall include any service as a director,  officer, employee or agent
of the  Corporation  which  imposes  duties on, or  involves  services  by, such
director,  officer,  employee or agent with respect to an employee benefit plan,
its  participants  or  beneficiaries;  and a person acted in good faith and in a
manner he  reasonably  believed to be in the  interest of the  participants  and
beneficiaries  of an  employee  benefit  plan shall be deemed to have acted in a
manner not opposed to the best  interests of the  Corporation  as referred to in
this Article Ten.

        Section  10.10  HEIRS,  ETC.  The  indemnification  and  advancement  of
expenses  provided  by, or granted  pursuant  to, this  Article Ten shall unless
otherwise provided when authorized or ratified,  continue as to a person who has
ceased to be a  director,  officer,  employee  or agent  and shall  inure to the
benefit of the heirs, executors and administrators of such a person.

        Section 10.11  SEVERABILITY.  The exemption from personal  liability and
indemnification  provided in this  Article Ten shall be subject to all valid and
applicable  laws,  and, in the event this  Article Ten or any of the  provisions
hereof  or  the  exemption  from  personal  liability  of  the   indemnification
contemplated  hereby are found to be  inconsistent  with or contrary to any such
valid laws,  the latter shall be deemed to control and this Article Ten shall be
regarded as modified accordingly, and, as so modified, to continue in full force
and effect.

                                 ARTICLE ELEVEN

        Except as may be  otherwise  provided  in the Act,  or other  applicable
Texas law, no contract,  act or transaction of the Corporation  with any person,
persons, firm, trust,  association or any other corporation shall be affected or
invalidated  by the fact  that any  director,  officer  or  shareholder  of this
Corporation  is a  party  to ,  or is  interested  in,  such  contract,  act  or
transaction,  or in any way connected with any such person, persons, firm, trust
or  association,  or is a  director,  officer  or  shareholder  of or  otherwise
interested in, any such other corporation,  nor shall any duty to pay damages on
account  of  this  Corporation  be  imposed  upon  such  director,   officer  or
shareholder  of this  Corporation  solely by reason of such fact,  regardless of
whether  the  vote,  action  or  presence  of  any  such  director,  officer  or
shareholder may be, or may have been, necessary to obligate this Corporation on,
or in connection with such contract,  act or transaction,  provided that if such
vote,  action or presence  is, or shall have been  necessary,  such  interest or
connection  (other than an interest solely as a  non-controlling  shareholder of
any such other  corporation)  shall have been known by or disclosed to the Board
of Directors of this Corporation. 
<PAGE>

                                 ARTICLE TWELVE

        The Corporation reserves the right to amend, alter, change or repeal any
provision,  save  and  except  for  Sections  4.2 and 6.4 of these  Articles  of
Incorporation, contained in these Articles of Incorporation. The Corporation may
amend,  alter,  change  or  repeal  Sections  4.2 or 6.4 of  these  Articles  of
Incorporation  with the affirmative vote or written consent of the holders of at
least two-thirds (2/3) of the outstanding shares of each class of stock,  voting
on a class basis.


<PAGE>


        IN WITNESS WHEREOF, these Amended and Restated Articles of Incorporation
have been executed effective as of the 1st day of August, 1997.


                              SUN VALLEY PHYSICIAN
                             MANAGEMENT CORPORATION



        By:     /s/ John R. Hedrick
                -------------------
                John R. Hedrick, Vice President

<PAGE>


                                                                 Exh. 10-29

                         APS Practice Management, Inc.
              Certificate of Designation of Rights and Preferences
                     Series A Serial Founders Common Stock


        By joint  unanimous  written  consent of the directors and  shareholders
dated  September  30,  1997,  the  directors  and  shareholders  of APS Practice
Management,  Inc., a Texas corporation (the  Corporation)  created a Series A of
the Corporations  authorized Serial Founders Common Stock, designated the Series
A Serial  Founders  Common  Stock  (hereinafter  the Series A Common),  and,  in
accordance with the Articles of Incorporation  of the  Corporation,  adopted and
established the following as the rights and preferences of the Series A Common:

1.   In the event of any voluntary or  involuntary  liquidation,  dissolution or
     winding up of the Corporations  affairs, the holders of the Series A Common
     shall only be  entitled  to be paid,  with  respect to each Series A Common
     share then held, an amount equal to the par value thereof,  and to no other
     payment or distribution  whatsoever,  regardless of the amount which may be
     paid or  distributable  to holders of the  Corporations  other  classes and
     series of capital stock.

2.   The holders of the Series A Common shares shall have no right to receive or
     participate  in any  dividends or other  distributions  by the  Corporation
     whatsoever,  whether in cash, stock,  property or otherwise,  regardless of
     the amount of any dividends or other  distributions that may be declared or
     paid with  respect  to any  other  classes  or  series of the  Corporations
     capital stock.

3.   Any issued and outstanding Series A Common shares may be redeemed, in whole
     or in part, at the Corporations sole option, by a vote of a majority of its
     board of  directors,  at a  redemption  price equal to the par value of the
     Series A Common  shares  redeemed,  and no more,  upon any of the following
     conditions or events:
<PAGE>

(a)  In the event  more than  111,111  shares of Series A Common  are issued and
     outstanding on or after September 1, 1999;

(b)  In the event any of the Series A Common  shares are issued and  outstanding
     on or after September 1, 2001; or

(c)  In the event the employment of either John R. Hedrick  (Hedrick) or Michael
     R. Beck (Beck) with the  Corporation  ceases or terminates  for any reason,
     except  upon a  termination  by the  Corporation  other  than for cause (as
     herein defined).  For purposes hereof, the termination of the employment of
     Hedrick or Beck by the Corporation  for any of the following  reasons shall
     be deemed termination for cause:

(i)  violation of any rule, regulation, practice or policy of the Corporation;

(ii) any violation,  breach or default under any provision of that certain Stock
     Purchase  Agreement dated effective  October 1, 1997 between the purchasers
     identified therein, the Corporation, Beck and Hedrick;

(iii)conviction  of  an  offense   constituting  a  felony  or  involving  moral
     turpitude;

(iv) material  dishonesty in the performance of employment duties or engaging in
     a material  conflict of  interest  with the  Corporation  that is not fully
     disclosed to and approved by the board of directors of the Corporation;

(v)  failure to follow  reasonable  instructions or directions from the board of
     directors of the Corporation,  or any other person  authorized by the board
     of directors of the Corporation to give such instructions or directions, or
     other  failure to perform his duties as an employee or officer (if elected)
     of the Corporation; or
<PAGE>

(vi) the  commission  of any  other act or the  existence  of any state of facts
     which  would  legally  justify an  employer  in  terminating  a contract of
     employment  (regardless  of  whether,  in  fact,  there  is a  contract  of
     employment at such time).

The  Corporation  will mail notice of any  proposed  redemption,  not fewer than
     five(5) days before the date fixed for redemption, to each record holder of
     the Series A Common shares to be redeemed at the shareholders address as it
     appears on the  Corporations  stock records.  Such  redemption  notice will
     indicate the shares to be redeemed,  the date fixed for  redemption and the
     place where  shareholders may obtain payment of their redemption price upon
     surrendering  their share  certificates.  The board of  directors  shall be
     authorized,  by  majority  vote,  to  establish  such other  procedures  to
     consummate the redemption of Series A Common shares as it deems reasonable,
     necessary or convenient.  On and after the date fixed for  redemption,  any
     holder of SeriesA Common shares to be redeemed shall have no further rights
     with respect to, or by virtue of, such Series A Common  shares,  except the
     right to be paid the  redemption  price therefor upon  compliance  with the
     procedures for redemption.

4.   The holders of the Series A Common shares shall be entitled to convert,  on
     a  share-for-share  basis, up to that percentage (as reflected in the table
     below) of their  shares of Series A Common into  shares of common  stock of
     the  Corporation,  based on the aggregate  dollar volume of acquisitions of
     businesses or practices by the  Corporation,  as set forth in the following
     table:
<PAGE>

          Percentage  of                            Amount of Aggregate
     Series A share holdings                    Acquisition Purchase Price of
      that may be converted                        Business or Practices
     -----------------------                    -----------------------------
          up to 50%                                 at least $20,000,000

     an additional 25%                              at least $30,000,000

     the remaining 25%                              At least $40,000,000

        The conversion rights, and any convertibility  features, of the Series A
Common,  shall  automatically  and  completely  expire  on  September  1,  2001,
regardless  of whether  there  were ever  sufficient  acquisitions  to allow any
conversion rights to become exercisable.  Thereafter, there shall be no right to
convert any shares of Series A Common  into  common  stock or any other class or
series of the Corporations capital stock.

        The  Corporation  will at all times  reserve out of its  authorized  but
unissued  common  stock,  the full number of common  stock  shares that would be
deliverable   on  converting  all  SeriesA  Common  shares  from  time  to  time
outstanding  that have  remaining  conversion  rights.  In the event a holder of
Series A Common shares that are then eligible for conversion  elects to exercise
such  conversion  right,  such  shareholder  shall  submit  share   certificates
evidencing  the SeriesA  Common shares to be converted to the  Corporation,  and
shall  provide such other  documentation  and comply with such other  procedural
requirements  for  conversion  as shall be  reasonably  required by the board of
directors of the Corporation.  Upon any such conversion,  any holder of Series A
Common shares being  converted shall be entitled to receive one (1) share of the
Corporations  common  stock in exchange  for each share of Series A Common being
converted, and no more. No additional payments or consideration whatsoever shall
be paid upon the conversion of any Series A Common shares.
<PAGE>

        5.  Except for such rights and  preferences  as are  expressly  provided
herein  or  expressly   provided  in  the  Articles  of   Incorporation  of  the
Corporation,  the holders of the SeriesA  Common  shares shall be entitled to no
rights or preferences  whatsoever  with respect to the shares of Series A Common
held by them.  In the event of any conflict  between the rights and  preferences
provided for in the  Articles of  Incorporation  and those  provided for in this
Certificate of Designation of Rights and Preferences,  those provided for herein
shall control in all respects.  In no event shall the sale,  conveyance or other
transfer  of any  Series A Common  shares  that,  at any  time,  may be owned by
Hedrick or Beck,  operate to limit,  modify,  suspend or otherwise affect any of
the rights,  preferences  or  obligations  of any of the holders of the Series A
Common shares as provided herein.

        The foregoing  constitutes a true and correct copy of the Certificate of
Designation  of Rights and  Preferences of the Series A Serial  Founders  Common
Stock,  the filing of which has been duly  authorized  by the Board of Directors
and Shareholders of the Corporation on September 30, 1997.

                                             /s/ John R. Hedrick
                                            ------------------------------------
                                          John R. Hedrick, Senior Vice President
<PAGE>


                                                                 Exh. 10-30


                           JOINT UNANIMOUS CONSENT OF
                           SHAREHOLDERS AND DIRECTORS
                                       OF
                  SUN VALLEY PHYSICIAN MANAGEMENT CORPORATION


        Pursuant to Article  9.10 of the Texas  Business  Corporation  Act,  the
undersigned, being all of the Shareholders and Directors of Sun Valley Physician
Management Corporation  (hereinafter referred to as the Corporation),  do hereby
adopt the following  resolutions by execution of this Consent,  and such Consent
shall have the same force and effect as a vote by the  undersigned at a properly
called meeting of the Shareholders and Directors of the Corporation:

                     AMENDMENT OF ARTICLES OF INCORPORATION

        WHEREAS,  the Articles of  Incorporation  of the  Corporation  were duly
filed with the  Secretary of State of the State of Texas on March 26, 1996,  and
the Certificate of Incorporation issued on the same date; and

        WHEREAS,  the Board of Directors has  determined  that it is in the best
interests of the Corporation to amend and restate the Articles of  Incorporation
of the  Corporation  and does hereby  recommend  that such Restated  Articles of
Incorporation be adopted by the shareholders of the Corporation;

        NOW  THEREFORE BE IT RESOLVED,  that the Articles of  Incorporation  are
hereby superseded and amended in their entirety to read as set forth on Restated
Articles of  Incorporation,  which are attached hereto,  marked as Exhibit A and
incorporated herein for all purposes as though fully recited;

        RESOLVED  FURTHER,  that the President (or any Vice  President)  and the
Secretary (or any Assistant  Secretary) of the  Corporation  be, and they hereby
are,  authorized,  empowered  and directed to execute the  Restated  Articles of
Incorporation  and to file the same in the office of the  Secretary  of State of
the  State  of  Texas  and to do any  and  all  acts  and  things  necessary  or
appropriate  to  effectuate  such  amendments  and to  carry  out,  perform  and
consummate such action.

<PAGE>




        IN WITNESS  WHEREOF,  the undersigned have executed this Joint Unanimous
Written Consent effective as of the 29th day of September, 1997.


                                                /s/ Michael R. Beck
                                                --------------------------------
                                                Michael R. Beck
                                                Director and Shareholder


                                                /s/ John R. Hedrick
                                                --------------------------------
                                                John R. Hedrick
                                                Director and Shareholder

<PAGE>



                       JOINT UNANIMOUS WRITTEN CONSENT OF
                           SHAREHOLDERS AND DIRECTORS
                                       OF
                         APS PRACTICE MANAGEMENT, INC.



        The undersigned,  being all of the shareholders and all of the directors
of APS Practice  Management,  Inc., a Texas corporation (the Corporation) hereby
adopt the following resolutions on behalf of the Corporation:
        RESOLVED,  that  pursuant  to  the  Articles  of  Incorporation  of  the
Corporation, all shares of the Corporations serial founders common stock, $0.001
par value per share,  which the Corporation is hereby  authorized to issue shall
be designated as a single series to be designated  the Series A Serial  Founders
Common  Stock  (hereinafter  the  Series  A  Stock),  and that  the  rights  and
preferences  of each  shares of the Series A Stock  shall be as set forth on the
Certificate  of  Designation  of Rights and  Preferences,  attached  as ExhibitA
hereto and  incorporated by reference  herein for all purposes,  which is hereby
adopted  in all  respects.  Hereafter,  there  shall be no shares of the  serial
founders common stock of the Corporation that is not contained within the Series
A Stock, or which does not have the rights and preferences described on ExhibitA
hereto.  The officers of the Corporation are authorized and directed to file the
Certificate  of  Designation  of Rights and  Preferences,  in the form  attached
hereto as  ExhibitA,  with the  Secretary  of State of the State of Texas and to
take  such  other  action  as may be  required  by law,  or which  they may deem
necessary, to fully establish such designation of rights and preferences,  to be
fully  binding  and  enforceable  on all  holders  of any shares of the Series A
Stock.
        RESOLVED  FURTHER,  that each  share of the  Corporations  common  stock
outstanding  as of the date  hereof  held by Michael R. Beck  (Beck) and John R.
Hedrick (Hedrick), which is acknowledged as being 500 shares each, shall be, and
<PAGE>

is hereby,  converted to Series A Stock at the rate of 222.224 shares of SeriesA
Stock for each share of common stock held by Beck and Hedrick,  such  conversion
to be deemed for all purposes to have occurred as of the effective  date of this
Joint  Unanimous   Written  Consent   reflected   below.  No  other  payment  or
consideration  shall be paid or payable to Beck or Hedrick  with respect to such
conversion.  The  undersigned  agree to such  conversion  and all other  matters
contained herein in their individual capacities,  and acknowledge and agree that
as a result of the  conversion  of the shares of Beck and  Hedrick  as  provided
herein, upon execution of this Joint Unanimous Written Consent,  the holdings of
all issued and  outstanding  shares of all classes of the  Corporations  capital
stock are as follows:

                   Hedrick - 111,112 shares of Series A Stock
                    Beck - 111,112 shares of Series A Stock


        RESOLVED FURTHER,  that for all purposes of the Corporations Articles of
Incorporation, any requirements of law and any applicable contract or agreement,
wherein the written  approval,  consent or  authorization of Hedrick or Beck (in
any capacity),  or of all holders of the Series A Stock, are required to approve
any of  the  matters  contemplated  herein,  including  without  limitation  the
establishment  of the rights and preferences of the SeriesA Stock as provided in
ExhibitA hereto, the execution of Hedrick and Beck hereof in their capacities as
directors and  shareholders of the Corporation  shall also be deemed  sufficient
for purposes of giving such written approval, consent or authorization.
<PAGE>

     IN WITNESS  WHEREOF,  the  undersigned  have executed this Joint  Unanimous
Written  Consent to be  effective  for all purposes on and after the 30th day of
September, 1997.

                                                       
                                                        /s/ Michael R. Beck
                                                        -----------------------
                                                        Michael R. Beck
                                                        Director and Shareholder

                                                       
                                                        /s/ John R. Hedrick
                                                        -----------------------
                                                        John R. Hedrick
                                                        Director and Shareholder

<PAGE>




                       JOINT UNANIMOUS WRITTEN CONSENT OF
                           SHAREHOLDERS AND DIRECTORS
                                       OF
                         APS PRACTICE MANAGEMENT, INC.



        The undersigned,  being all of the shareholders and all of the directors
of APS Practice  Management,  Inc., a Texas corporation (the Corporation) hereby
adopt the following resolutions on behalf of the Corporation:
        RESOLVED,  that the  Corporation is authorized to enter into and perform
that certain Stock  Purchase  Agreement  (the Stock  Purchase  Agreement)  dated
effective October 1, 1997 between the Corporation,  American  Physicians Service
Group,  Inc.,  a Texas  corporation  (APSG),  MichaelR.  Beck (Beck) and John R.
Hedrick  (Hedrick),  the form of which has been  reviewed  and  approved  by the
directors  and  shareholders,  pursuant  to which  APSG will  purchase  from the
Corporation two million  (2,000,000)  shares of the  Corporations  common stock,
$0.001 par value per share, for an aggregate  purchase price of $5,000,000.  The
officers of the  Corporation  are authorized and directed to execute and deliver
the  Stock  Purchase  Agreement,  as a  valid  and  binding  obligation  of  the
Corporation,  enforceable in accordance with its terms, and to take such further
action and to execute and deliver such further  documents and instruments as may
be necessary to consummate the  transactions  contemplated by the Stock Purchase
Agreement.
        RESOLVED  FURTHER,  that the  undersigned  acknowledge  and  agree  that
immediately  upon  consummation  of the  transactions  contemplated by the Stock
Purchase  Agreement,  the holdings of all issued and  outstanding  shares of all
classes of the Corporations capital stock will be as follows:
<PAGE>

Hedrick - 111,112 shares of Series A Serial Founders Common Stock

Beck - 111,112 shares of Series A Serial  Founders  Common Stock

The following holders of the following shares of $0.001 par value common stock:


American Physicians Service Group, Inc.
1,874,600

Kenneth S. Shifrin
30,000

Duane K. Boyd, Jr. Trust
12,000

Robert L. Myer
40,000

J. A. Murphy Descendants Trust
20,000

Samuel R. Granett
4,000

William H. Hayes
2,400


Maury Magids
4,000

Paul Schilder
10,000

Thomas R. Solimine
3,000


<PAGE>



        IN WITNESS  WHEREOF,  the undersigned have executed this Joint Unanimous
Written  Consent to be  effective  for all  purposes on and after the 1st day of
October, 1997.

                                                        /s/ Michael R. Beck
                                                        -----------------------
                                                        Michael R. Beck
                                                        Director and Shareholder


                                                        /s/ John R. Hedrick
                                                        -----------------------
                                                        John R. Hedrick
                                                        Director and Shareholder


<PAGE>



                       JOINT UNANIMOUS WRITTEN CONSENT OF
                           SHAREHOLDERS AND DIRECTORS
                                       OF
                         APS PRACTICE MANAGEMENT, INC.



The  undersigned,  being all of the shareholders and all of the directors of APS
     Practice  Management,  Inc., a Texas corporation (the  Corporation)  hereby
     adopt the following resolutions on behalf of the Corporation:

RESOLVED,  that  Kenneth  S.  Shifrin  is  hereby  elected  as a  member  of the
     Corporations board of directors,  such election to be effective immediately
     upon execution of this Joint  Unanimous  Written Consent by all signatories
     hereto.

RESOLVED FURTHER, that effective for all purposes immediately upon the execution
     of this Joint Unanimous Written Consent by all signatories  hereto, John R.
     Hedrick and Michael R. Beck resign as directors of the Corporation with the
     affect that,  hereafter,  Kenneth S. Shifrin  shall be the only director of
     the Corporation  until such time as additional  directors may be elected by
     the shareholders  pursuant to the Articles of  Incorporation  and Bylaws of
     the Corporation.

RESOLVED FURTHER, that effective for all purposes immediately upon the execution
     of this Joint  Unanimous  Written Consent by all  signatories  hereto,  all
     officers  of the  Corporation  are  hereby  removed  from  office  and  the
     following  persons are elected as the  officers  of the  Corporation,  with
     their titles shown  opposite their names,  to serve until their  successors
     have been duly elected and qualified or their earlier resignation,  removal
     or death:
<PAGE>

        Name                             Title
Kenneth S. Shifrin                     President
William H. Hayes                       Secretary and Treasurer
John R. Hedrick                        Senior Vice President and General Counsel
Michael R. Beck                        Senior Vice President
Paul Schilder                          Senior Vice President of Operations

RESOLVED FURTHER,  that all acts of the Corporation and its  representatives  in
opening that certain  account in the name of the Corporation  with  NationsBank,
and a brokerage  account  through APS Financial  Corporation,  and  establishing
signature  withdrawal  and other  authority in  connection  therewith are hereby
ratified in all respects.

        IN WITNESS  WHEREOF,  the undersigned have executed this Joint Unanimous
Written  Consent to be  effective  for all  purposes on and after the 3rd day of
October, 1997.

<PAGE>


                        SIGNATURE PAGE TO JOINT UNANIMOUS
                  WRITTEN CONSENT OF SHAREHOLDERS AND DIRECTORS


/s/ Michael R. Beck
- -----------------------
Michael R. Beck
Shareholder and Director


/s/ John R. Hedrick
- -----------------------
John R. Hedrick
Shareholder and Director


     AMERICAN PHYSICIANS SERVICE
      GROUP, INC., Shareholder


By  
Name_______________________________
Title________________________________

J. A. MURPHY DESCENDANTS TRUST,
Shareholder


By  /s/ Jack Murphy, Grantor
    -------------------------------
     Jack Murphy, Grantor

DUANE K. BOYD, JR. TRUST,
Shareholder


By  /s/ Duane K. Boyd, Jr., Trustee
    --------------------------------
     Duane K. Boyd, Jr., Trustee


/s/ Robert L. Myer
- ------------------------------------
Robert L. Myer, Shareholder


/s/ Kenneth S. Shifrin
- ------------------------------------
Kenneth S. Shifrin, Shareholder

<PAGE>

                       SIGNATURE PAGE TO JOINT UNANIMOUS
                 WRITTEN CONSENT OF SHAREHOLDERS AND DIRECTORS



/s/ William H. Hayes
- ------------------------------------
William H. Hayes, Shareholder


/s/ Maury Magids
- ------------------------------------
Maury Magids, Shareholder


/s/ Thomas R. Solimine
- ------------------------------------
Thomas R. Solimine, Shareholder


/s/ Samuel R. Granett
- ------------------------------------
Samuel R. Granett, Shareholder


<PAGE>

                                                                 Exh. 10-31
                          MASTER REFINANCING AGREEMENT

         This  Master  Refinancing  Agreement  (this  "Agreement")  is made  and
entered into as of the 6th day of November,  1997 (the "Effective Date") between
and among Consolidated Eco-Systems, Inc., an Idaho corporation formerly known as
Exsorbet Industries, Inc. ("Consolidated"), all of the wholly or partially owned
subsidiaries of Consolidated,  and American  Physicians  Service Group,  Inc., a
Texas corporation ("APS").

                                R E C I T A L S:

         WHEREAS,  Consolidated  executed and delivered that certain  Promissory
Note dated  November 26, 1996 (the  "Original  Note") in the original  principal
amount of Three Million Three Hundred Thousand Dollars  ($3,300,000)  payable to
the order of APS; and

         WHEREAS,  the  Original  Note was  secured  pursuant  to the  following
agreements,  all for the benefit of APS:  (i) that  certain  Security  Agreement
dated  December  12, 1996  entered into by 7-7,  Inc.,  an Arkansas  corporation
("7-7"),  formerly  known  as 7-7  Merger,  Inc.;  (ii)  that  certain  Security
Agreement  dated  September  30, 1996  entered  into by 7-7;  (iii) that certain
Assignment  and  Security  Agreement  dated  September  30, 1996 entered into by
Consolidated;  and (iv) those certain  Guaranty  Agreements  dated September 30,
1996 entered into by each of the following entities:

  a. Consolidated Environmental Services, Inc., an Arkansas corporation ("CES");
<PAGE>

  b.       Cierra, Inc., an Arkansas corporation ("Cierra");

  c.  Larco Environmental Services, Inc., a Louisiana corporation ("Larco");

  d. KR Industrial Services of Alabama, Inc., an Alabama corporation ("KR
     Industrial");

  e.  Exsorbet  Technical   Services,   Inc.,  an  Arkansas   corporation
     ("Exsorbet Technical") doing business as SpilTech Services, Inc.;

  f.  Eco Acquisition, Inc. ("Acquisition"),  an Arkansas corporation also known
      as Eco-Systems,  Inc.; and

  g.       7-7

(all of the  agreements  described in (i) through (iv) above are  collectively  
referred to herein as the "Original Security Documents"); and

         WHEREAS,  Consolidated  has executed  and  delivered a new note of even
date herewith in the original principal amount of $3,788,580 (the "New Note") in
renewal,  replacement  and  extension  of the Original  Note,  which New Note is
secured pursuant to the Original Security Documents and the additional  Security
Documents described below; and
<PAGE>

         WHEREAS, in addition to the Original Security  Documents,  the New Note
and the  indebtedness  and  obligations  evidenced  thereby are further  secured
pursuant to (i) that certain  Security  Agreement of even date herewith  entered
into for the  benefit  of APS by Larco;  and (ii) that  certain  Assignment  and
Security  Agreement of even date herewith entered into for the benefit of APS by
Consolidated  (both  of  which  agreements  described  in (i)  and  (ii) of this
sentence,  together  with the  Original  Security  Documents,  are  collectively
referred to herein as the "Security Documents"); and

         WHEREAS,  for purposes hereof, 7-7, CES, Cierra,  Larco, KR Industrial,
Exsorbet  Technical,  and Acquisition,  together with any future corporations or
other entities, wholly or partially, directly or indirectly, owned or controlled
by Consolidated,  are collectively  referred to herein as the "Subsidiaries" and
individually as a "Subsidiary"; and

         WHEREAS,  in addition to the covenants and agreements  contained in the
New Note and the Security  Documents,  Consolidated,  the  Subsidiaries  and APS
desire to memorialize  certain other  understandings and agreements between them
as provided herein.

         NOW,  THEREFORE,  in  consideration of the foregoing and other good and
valuable  consideration,  the  receipt  and  sufficiency  of  which  are  hereby
acknowledged,  the  parties,  intending  to be legally  bound  hereby,  agree as
follows:
<PAGE>

         1. REGISTRATION OF COLLATERAL  SHARES.  Consolidated  agrees to, within
thirty (30) days after the execution and delivery of this  Agreement,  file for,
and use its best efforts to effect, the registration under the Securities Act of
1933, as amended (the "Securities Act"), and the qualification  under applicable
state  securities laws (the "State Laws"),  of all of the shares of common stock
of  Consolidated  in  which  APS has a  security  interest  under  the  Security
Documents,  including  without  limitation those certain One Million Two Hundred
Thousand (1,200,000) shares of common stock of Consolidated, and such additional
shares as may be executed  or issuable  upon any stock  dividend,  stock  split,
reverse stock split,  reclassification  or other similar act or transaction (all
of which  shares  of  Consolidated  common  stock in  which  APS has a  security
interest are hereinafter referred to as the "Collateral  Shares").  Consolidated
agrees that, in addition to such other  obligations  and  restrictions as may be
set forth in the Security  Documents,  Consolidated will not engage in any stock
split,  stock  dividend,  reclassification  or other similar act or  transaction
regarding  its capital stock unless the  Collateral  Shares are included in such
act or  transaction  and effected  thereby in all respects the same as any other
class or share of Consolidated's capital stock.

         Consolidated will use its best efforts to effect the registration under
the Securities Act and the qualification  under the State Laws of the Collateral
Shares, to the extent required to permit the disposition  thereof in any manner,
or combinations of manners,  which APS may select, at APS' sole discretion.  APS
agrees that  Consolidated may utilize Form S-3 to register the Collateral Shares
unless APS  determines,  in good faith,  that Form S-3 would not  accomplish the
best  disposition of the Collateral  Shares for APS' benefit (or another form is
required by  applicable  regulations  or regulatory  authorities).  Consolidated
agrees to maintain such registration  statement under the Securities Act and the
<PAGE>

qualification under the State Laws to be maintained in effect until such time as
all  Collateral  Shares have been sold at the direction and under the control of
APS, and the gross  proceeds from such sales have been remitted  directly to APS
for repayment of  Consolidated's  indebtedness  under the New Note, or until all
indebtedness due APS under and pursuant to the New Note has been repaid in full,
whichever occurs first. Alternatively,  but only upon the written request of APS
and in APS' sole  discretion,  Consolidated  will  promptly  take such steps (at
Consolidated's  sole cost) as  necessary to allow APS to cause a sale of some or
all of the  Collateral  Shares  pursuant  to an  exception  to the  registration
requirements of the Securities Act and the State Laws. However, if APS does not,
in writing,  elect the alternative described in the preceding sentence as to all
Collateral  Shares,  Consolidated shall be deemed to be in default hereunder and
under the New Note and the  Security  Documents  in the event  Consolidated  has
failed or refused,  for any or no reason,  to effect the registration  under the
Securities Act and the qualification  under the State Laws of all the Collateral
Shares in accordance with this Section 1 on or before May 1, 1998.

         Consolidated agrees to cooperate fully with APS, and to take such steps
and execute and deliver such documents and instruments, as APS may request or as
may otherwise be necessary,  in order to allow APS, from time-to-time,  to sell,
or cause the sale of, the Collateral Shares, or any portion thereof. Any and all
proceeds  from any  sale of the  Collateral  Shares  shall be  retained  by,  or
remitted  directly  to,  APS  and  shall  be  applied  to  the  indebtedness  of
Consolidated  to APS in the  order  provided  in the New Note  and the  Security
Documents pursuant to which APS acquired its security interest in the Collateral
Shares.  APS shall be  entitled  to cause a sale of the  Collateral  Shares  and
remittance of the proceeds therefrom to APS regardless of whether any particular
<PAGE>

installment of principal and/or interest is then due under the New Note, and any
such  payments  accomplished  through the sale of  Collateral  Shares  shall not
affect  Consolidated's  monthly or final payment obligations under the New Note,
except to the extent  the  application  of the sales  proceeds  from  Collateral
Shares causes an early  pay-off,  in full, of all amounts due under and pursuant
to the New Note in  compliance  with the terms of the New Note and the  Security
Documents.  Consolidated  will bear all costs and  expenses  (including  without
limitation  brokerage  costs,  legal fees and  expenses  and  printing  fees and
expenses)  incurred in connection with, or related to, the registration and sale
of the  Collateral  Shares and the  remittance  of, or retention  by, APS of the
proceeds from such sales.

         In  connection  with the  registration,  qualification  and/or  sale of
Collateral Shares pursuant to this Agreement, APS shall provide such information
to  Consolidated  concerning APS as may be required by law, but APS shall not be
required to undertake any indemnity obligation or other contractual obligations,
and  Consolidated  covenants and agrees to comply fully and continually with all
applicable federal and state laws.  Consolidated  hereby agrees to indemnify and
hold  APS,  and  all of  APS'  affiliates,  subsidiaries,  employees,  officers,
directors,  shareholders and representatives (collectively, the "APS Indemnified
Parties"),  harmless from and against all losses, claims,  damages,  liabilities
and  expenses   (including   but  not  limited  to  expenses   incurred  in  the
investigation of, preparing for, and defending against,  any claim) to which APS
or any of the  other  APS  Indemnified  Parties  may  become  subject  under the
Securities  Act, the Securities  Exchange Act of 1934, as amended (the "Exchange
Act"),  the State Laws,  or otherwise,  insofar as (i) any such losses,  claims,
damages, liabilities or expenses arise out of or are based upon or caused by, in
whole or in part,  any untrue  statement  or alleged  untrue  statement  of fact
<PAGE>

contained  in any  registration  statement  or  prospectus  (or any  amended  or
supplemented  registration statement or prospectus),  or (ii) the same arise out
of or are based upon or are caused by any omission or alleged  omission to state
therein a fact required to be stated therein or necessary to make the statements
therein  not  misleading,  or (iii) the same  arise out of or are based upon any
violation by  Consolidated or  Consolidated's  employees,  officers,  directors,
Subsidiaries or representatives,  of the Securities Act or the Exchange Act, any
rule or regulation thereunder, or any State Laws.

         2. POTENTIAL GLOBAL REFINANCING. The parties acknowledge and agree that
Consolidated is considering a global refinancing of all the secured indebtedness
of the Subsidiaries  (other than 7-7) to banks, which would require the approval
of APS pursuant to the Security Documents. For purposes of this Agreement,  such
refinancing is hereby  referred to as the "Global  Refinancing").  If all of the
following  terms and  conditions  are  satisfied  at the time of any such Global
Refinancing,  APS  agrees  that it will give its  written  consent to the Global
Refinancing at such time:

         a. Neither  Consolidated  nor any of the Subsidiaries  shall be in 
default,  and no event of default shall have occurred, under any of the Security
Documents or the New Note; and

         b. As a result of any Global Refinancing or otherwise,  (i) there shall
be no increase in the gross amount of  indebtedness  (as of the Effective  Date)
secured  by liens on the  assets of 7-7 which are  superior  or equal (as of the
Effective Date) to the liens of APS, and (ii) there shall be no increase greater
than $1,000,000 in the gross amount of  indebtedness  (as of the Effective Date)
secured by liens on the assets of Larco  which are  superior or equal (as of the
Effective Date) to the liens of APS. Consolidated and the Subsidiaries represent
and warrant  that the amount of their gross  aggregate  indebtedness  (as of the
Effective  Date)  that are  secured  by liens on the  assets of Larco  which are
superior or equal (as of the Effective  Date) to the liens of APS is $3,181,562;
and
<PAGE>

         c.  The  aggregate  amount  of  indebtedness  of  Consolidated  and the
Subsidiaries  incurred  as a result of the  Global  Refinancing  may not  exceed
$21,613,000; and

         d. APS must receive at least thirty  percent (30%) of the proceeds (the
"APS Payment")  received or receivable by Consolidated as a result of the Global
Refinancing,  after deduction of only the amount,  if any,  distributed to other
unrelated,   secured  creditors  of  Consolidated  or  the  Subsidiaries  at  or
immediately after the closing of any Global Refinancing. The APS Payment must be
received by APS in  immediately  available  funds directly from the lender(s) at
the closing of the Global  Refinancing as payment on the indebtedness  evidenced
by the New Note.  All parties  hereto  acknowledge  and agree that such  payment
shall  not in  any  respect  affect  Consolidated's  monthly  or  final  payment
obligations  under  the  New  Note,  except  to the  extent  the  final  payment
obligation  amount  is  reduced  as a result  of the  special  payment  received
pursuant  to this  provision.  The APS  Payment  is to be  applied  first to any
interest  accrued and unpaid under the New Note,  with any balance to be applied
to principal; and

         e. APS shall have been given at least ten (10) days  opportunity  prior
to the  closing  of any  Global  Refinancing  and  after  receipt  by APS of all
documents,  instruments and agreements, to review all documents, instruments and
<PAGE>

agreements  entered  into,  or to be  entered  into  at  any  such  closing,  in
connection with such Global  Refinancing,  and as may otherwise be necessary for
APS to ensure  compliance  with the  conditions  for any APS consent to a Global
Refinancing as contained herein.  Furthermore,  Consolidated agrees to cooperate
with APS and to provide APS access to, and  participation in, the closing of any
such Global  Refinancing and the interaction with the lenders involved  therein,
as APS shall request in order for APS to ensure  compliance  with the conditions
to any APS consent to a Global Refinancing as contained herein. APS shall not be
required  to provide  its written  consent to any Global  Refinancing  until the
closing of any  Global  Refinancing,  and any such  consent  may be  conditioned
expressly upon compliance with the terms and conditions provided herein.

         3. IMPLEMENTATION OF CONVERSION FEATURE. Consolidated agrees to use its
best  efforts  to  obtain  the  approval  of  Consolidated's  shareholders  (the
"Shareholder  Approval") for an increase in the  authorized  number of shares of
common  stock of  Consolidated  as  necessary  to provide  APS with the right to
convert any or all  indebtedness  of  Consolidated  to APS into common  stock of
Consolidated  at a conversion  rate to be mutually agreed upon in writing by APS
and Consolidated (the "Conversion Price Agreement").  Consolidated's shareholder
proxy solicitation will designate a specific item, which will have been approved
by, and will be expressly recommended for approval by, the Board of Directors of
Consolidated, seeking approval of an increase in the number of authorized shares
of common  stock of  Consolidated  solely as security for the New Note and other
indebtedness  secured by the Security  Documents,  or to satisfy the obligations
owed by Consolidated  and the  Subsidiaries to APS, or in such other form as APS
may require,  provided that  Consolidated or its management can lawfully solicit
<PAGE>

such proxy item. If  Shareholder  Approval is obtained,  Consolidated  agrees to
reserve  such shares of its common  stock for  issuance as may be  necessary  in
order  for  APS to have  the  right  to  convert  any or all of the  outstanding
principal  amount and accrued  interest due under the New Note into common stock
of  Consolidated  at any time  thereafter at the price agreed in the  Conversion
Price  Agreement.  APS shall be required to obtain the prior written  consent of
Consolidated,  which  shall  not  unreasonably  be  withheld,  prior to any such
conversion,  provided that upon any default, or event of default,  under the New
Note or any of the  Security  Documents,  the consent of  Consolidated  shall no
longer be necessary to effect any conversions.

         Consolidated agrees to, promptly after obtaining  Shareholder Approval,
effect the registration  under the Securities Act, and the  registration  and/or
qualification  under  the  State  Laws,  of  such  shares  of  common  stock  of
Consolidated  as may be  obtainable,  from  time-to-time,  by  APS  through  any
conversions  as  contemplated  in  this  Section  (the   "Conversion   Shares").
Consolidated  will  effect the  registration  under the  Securities  Act and the
registration  and/or  qualification  under the  State  Laws,  if the  Conversion
Shares,  to the  extent  required  to permit  the  disposition  thereof  by APS,
immediately upon  acquisition by APS (if APS were to so choose),  in any manner,
or  combination  of  manners,  which APS may  select,  at APS' sole  discretion.
Consolidated  agrees to  maintain  such  registration  in effect  for so long as
necessary  for APS to sell any or all of the  shares  of  Consolidated  acquired
pursuant  to such  conversion  without  restriction.  Consolidated  agrees  that
Consolidated  will have all of the obligations  with respect to the registration
<PAGE>

and sale of Conversion  Shares as Consolidated  has pursuant to the registration
and sale of Collateral  Shares under Section 1 of this  Agreement.  Furthermore,
APS shall have all rights  related to the  registration  and sale of  Conversion
Shares as APS has with respect to the registration and sale of Collateral Shares
pursuant to Section 1 of this  Agreement.  The parties  hereto  acknowledge  and
agree that failure to reach a Conversion  Price  Agreement prior to December 15,
1997, or to obtain  Shareholder  Approval on or before April 1, 1998 will result
in an acceleration of certain payment  obligations under and pursuant to the New
Note as provided in Section 5 below.

         4. MATTERS CONCERNING  ACQUISITION.  The parties  acknowledge and agree
that  Consolidated is considering the sale of the Houston division (the "Houston
Division") of Acquisition,  and possibly also the other divisions of Acquisition
(the "Other Divisions"),  which sales would require the prior written consent of
APS pursuant to the Security Documents.  APS will give its written consent for a
reorganization of Acquisition into two (2) separate corporations to facilitate a
sale of each,  one (1)  owning  all the  assets  of the  Houston  Division  (the
"Houston  Sub") and one (1) owning all the  assets of the Other  Divisions  (the
"Other Sub")  provided (i) each of the Houston Sub and the Other Sub execute and
deliver to APS a payment and performance  guaranty  agreement for the benefit of
APS  covering  all payment  and  performance  obligations  of  Consolidated,  in
substantially  the  same  form  of  the  guaranty  agreements  executed  by  the
Subsidiaries  that are included in the  Security  Documents,  (ii)  Consolidated
grants  APS a  first  lien,  perfected  security  interest  in and to all of the
capital  stock of the Houston Sub and the Other Sub, and (iii) APS is reasonably
satisfied,  after a full opportunity to engage in sufficient due diligence, that
the  division of assets  between  the  Houston Sub and the Other Sub  reflects a
commercially  reasonable division to each new Subsidiary of assets applicable to
that Subsidiary's operations as previously conducted.
<PAGE>

         If all of the following terms and conditions are satisfied,  APS agrees
that at the time of any sale of the Houston  Division or the  Houston  Sub,  APS
will give its written consent to the sale at such time:

         a. Neither  Consolidated  nor any of the Subsidiaries  shall be in 
default,  and no event of default shall have occurred, under any of the Security
Documents or the New Note; and

         b. APS must  receive at least  Seven  Hundred  Fifty  Thousand  Dollars
($750,000) in immediately available funds, from the funds received directly from
the  purchaser of the Houston  Division at any closing of the sale  thereof,  as
payment  on the  indebtedness  evidenced  by the New Note.  All  parties  hereto
acknowledge  and  agree  that  such  payment  shall  not in any  respect  affect
Consolidated's  monthly or final payment  obligations under the New Note, except
to the extent the final payment  obligation amount is reduced as a result of the
special payment  received  pursuant to this  provision.  The Seven Hundred Fifty
Thousand Dollars ($750,000),  or more if more is paid, is to be applied first to
any  interest  accrued  and unpaid  under the New Note,  with any  balance to be
applied to principal; and

         c. The Houston  Division or Houston Sub must be sold to a purchaser who
is not related to, or affiliated  with,  Consolidated or any of the Subsidiaries
or any of the shareholders,  directors or officers of Consolidated or any of the
Subsidiaries; and

         d. APS shall have been given at least ten (10) days  opportunity  prior
to the  closing of any sale of the  Houston  Division  or Houston  Sub and after
receipt  by APS of all  documents,  instruments  and  agreements,  to review all
<PAGE>

documents, instruments and agreements entered into, or to be entered into at any
such closing, in connection with such sale and as may otherwise be necessary for
APS to ensure  compliance with the conditions for any APS consent to the sale as
contained herein. Furthermore,  Consolidated agrees to cooperate with APS and to
provide APS access to, and  participation  in, the closing of any such sale,  as
APS shall request in order for APS to ensure  compliance  with the conditions to
any APS  consent as  provided  herein.  APS shall not be required to provide its
written  consent to any sale of the  Houston  Division  or Houston Sub until the
closing of any such sale, and any such consent may be conditioned expressly upon
compliance with the terms and conditions provided herein.

         Upon a sale of the  Houston  Division  or Houston  Sub on the terms and
conditions  provided  herein,  and upon APS receiving at least the Seven Hundred
Fifty Thousand Dollars  ($750,000) minimum payment required as a condition to it
giving its consent to such sale,  APS will release its security  interest in the
stock  of  Acquisition  and the  Houston  Sub (if  applicable)  and  return  the
certificates  evidencing such stock to Consolidated and will release the Houston
Sub from its guaranty  agreement.  However,  Acquisition  and any Other Sub will
continue to be bound by their guaranty  agreements and such guaranty  agreements
shall remain binding and enforceable in accordance with their terms.

         APS will give its written  consent to a sale of the Other  Divisions or
the Other  Sub in the event  each of the  conditions  for a sale of the  Houston
Division or the Houston Sub described in paragraphs  a., c. and d. are satisfied
as to the sale of the Other  Divisions or Other Sub, and provided APS receives a
payment  directly  from the  purchaser of an amount,  in  immediately  available
<PAGE>

funds,  equal to at least thirty percent (30%) of the cash and fair market value
of other property or assets  received or receivable by  Consolidated as a result
of any such sale,  after  deducting  only the  amount,  if any,  paid to secured
creditors  of  Acquisition  or the  Other  Sub.  Upon any such sale of the Other
Divisions or the Other Sub, and upon APS  receiving the minimum  thirty  percent
(30%) payment  described above, APS will release any security interest it has in
the capital stock of the Other Sub, and will release the guaranty  agreements of
Acquisition and the Other Sub (if applicable).

         5.  New  Note   Modifications.   The   parties   hereto   agree   that,
notwithstanding the terms of the New Note, in the event (i) APS and Consolidated
are unable to enter into a mutually agreeable written Conversion Price Agreement
as  described  in  Section 3 above on or prior to  December  15,  1997,  or (ii)
Shareholder  Approval  of the  necessary  increase in the  authorized  number of
shares of common stock of  Consolidated  as  contemplated  pursuant to Section 3
above is not obtained on or prior to April 1, 1998,  then, in either event,  the
monthly installments of $85,000 that would otherwise be due beginning October 1,
1998 will, instead, be required to begin April 1, 1998 (or on December 15, 1997,
in the event of failure to enter into a written Conversion Price Agreement on or
prior  to  December   15,   1997),   and   Consolidated   shall  be  in  default
(notwithstanding  any terms of the New Note to the contrary)  under the New Note
and the Security  Documents if  Consolidated  thereafter  fails to make any such
$85,000 monthly payment.

         The parties hereto agree that notwithstanding any terms of the New Note
to the  contrary,  in the  event APS gives its  written  consent  to the  Global
Refinancing  pursuant to Section 2 hereof, and receives the APS Payment, and the
Global  Refinancing is closed prior to January 1, 1998, then the $40,000 monthly
payments  due under the New Note which  would  otherwise  begin  January 1, 1998
<PAGE>

pursuant to the terms of the New Note,  will,  instead,  begin on the earlier of
(i) the first day of the calendar month  following the month in which the Global
Refinancing  is closed,  or (ii) January 1, 1998, and  Consolidated  shall be in
default  (notwithstanding  any terms of the New Note to the contrary)  under the
New Note and the Security  Documents if Consolidated  fails thereafter to make a
payment of at least $40,000 on or before the first day of each month through and
including September 1, 1998.

         The  parties  hereto  agree  that,  in the  event,  on  October 1, 1999
Consolidated  tenders to APS all outstanding  principal and accrued interest due
under and  pursuant  to the New Note,  and  there  has not  theretofor  been any
default,  or  event  of  default,  under  the New  Note  or any of the  Security
Documents,  then APS will agree to accept,  in lieu of the fifteen percent (15%)
per annum  interest due from and after the Effective Date under the terms of the
New Note,  interest after the Effective  Date on the principal  amount due under
the New  Note  calculated  at the  rate  of  twelve  percent  (12%)  per  annum.
Notwithstanding the foregoing, nothing contained in this paragraph, or otherwise
in this  Agreement,  is intended  to modify,  limit or  otherwise  affect any of
Consolidated's  obligations  with respect to the  repayment of (i) any principal
amount of the New Note,  or (ii) any  principal  or interest  accrued  under the
Original Note that was refinanced into the principal of the New Note.

         6. No Additional  Financings.  The parties  acknowledge  and agree that
certain of the Security  Documents  provide  that,  without the prior consent of
APS, neither Consolidated nor any of the Subsidiaries will create, incur, assume
<PAGE>

or  become  liable in any  manner  for any  indebtedness  (for  borrowed  money,
deferred  payment  for the  purchase  of assets,  lease  payments,  as surety or
guaranty of the debt of another,  or otherwise)  other than to APS, except trade
debts incurred in the ordinary  course of business.  The parties hereto covenant
and agree that such provisions of the Security  Documents  remaining binding and
enforceable in all respects, are to be broadly construed for the benefit of APS,
and that the  prohibitions on creating,  incurring,  assuming or becoming liable
for, any indebtedness,  etc., shall be deemed to preclude,  without  limitation,
not only  traditional  methods of financing,  but also financings in the form of
factoring, assets securitizations,  sale and lease backs, financings through the
issuance  of equity  securities,  debt  securities  or  convertible  securities,
debenture or bond  financings  and all other forms of financing  and  borrowing,
except for open  account  trade  payables  incurred  in the  ordinary  course of
business;  provided,  however that factoring transactions that occurred prior to
October 15, 1997,  will not be deemed to constitute a violation of the foregoing
so long as there is no increase  after  October 15, 1997,  in the amounts due or
involved in such factoring relationships.

         7. Financial  Reporting  Requirements.  In additional to such financial
and other  reporting  requirements  as may be provided  pursuant to the Security
Documents, Consolidated covenants and agrees that it will provide to APS, within
thirty  (30)  days  of the  end of each  month,  beginning  with  the  month  of
September,  1997,  consolidated financial statements for Consolidated and all of
the  Subsidiaries,   together  with  separate  supporting  Subsidiary  financial
statements and statements of consolidation,  as of and for the month and year to
date  period  ended on the last day of each  calendar  month.  Each  such set of
financial  statements shall be presented on a comparative  basis for the periods
<PAGE>

and dates in the preceding year and shall include detailed narrative analysis by
the  management  of  Consolidated,  addressed  to the  attention of the board of
directors of APS, of the financial position and results of operations  reflected
therein as of and for the periods covered by the financial statements,  together
with an assessment of future operating results (on a consolidated basis, and for
each  Subsidiary).  Furthermore,  each set of monthly  financial  statements and
associated  management  analysis shall contain a written statement signed by the
Chief  Financial  Officer of  Consolidated  to the effect that (i) the financial
statements have been prepared in accordance with generally  accepted  accounting
principles,  consistently  applied, and are a fair and accurate  presentation of
the financial  position and results of operations of  Consolidated,  each of the
Subsidiaries,  and the  consolidated  group as of the  date and for the  periods
covered by the financial statements, and (ii) the Chief Financial Officer has no
reason to believe  that the  narrative  management  analysis  accompanying  such
financial  statements contains any misleading facts or statements,  or omits any
fact or  statement,  the omission of which would make the  statements  contained
therein materially misleading.

         8.  Prohibition  on  Sale  of  Assets.  Consolidated  and  each  of the
Subsidiaries  covenants and agrees with APS that neither Consolidated nor any of
the Subsidiaries shall sell,  transfer,  assign or otherwise convey any of their
assets,  properties or rights or enter into any agreement with respect to any of
the  foregoing,  in any one  transaction  or a series of  related  transactions,
involving an aggregate consideration,  in cash or the fair market value of other
property or consideration, in excess of Fifty Thousand Dollars ($50,000) without
the express prior written consent of APS in each instance; provided such consent
shall not be withheld if there has been no default,  or event of default,  under
the New Note or any of the Security Documents,  and APS receives,  directly from
the  purchaser  at the  closing  of any such  sale,  a  payment  in  immediately
<PAGE>

available funds, equal to at least thirty percent (30%) of the net cash and fair
market value of other property or assets  received or receivable by Consolidated
or the applicable  selling  Subsidiary as a result of such sale, after deducting
only the amount,  if any, paid to secured  creditors  having liens on the assets
sold. APS must receive the ten (10) day  opportunity,  as described in paragraph
d. of Section 4, with respect to each such sale and any payments received by APS
upon any asset sale shall be treated as  described in paragraph b. of Section 4.
The parties further  acknowledge and agree, that once the total accrued interest
and  principal  remaining  due  under  and  pursuant  to the New Note is, in the
aggregate,  less than Nine Hundred Thousand Dollars ($900,000),  then no consent
shall be required  from APS for  purposes of any of the asset sale  transactions
described in this Section 8 provided  APS  receives the minimum  thirty  percent
(30%) payment  described above and Consolidated  and the  Subsidiaries  complies
with the other provisions of this Section 8 with respect to any such asset sale,
transfer,  assignment or conveyance.  Notwithstanding the foregoing (but subject
to the  provisions of Section 4 regarding  Acquisition),  the provisions for APS
granting  consent  (or not  needing  to  grant  consent)  for  the  transactions
described  in this  Section 8 shall not apply to sales of  divisions,  operating
units, business lines,  departments or other businesses,  and APS' prior written
consent for any sale, transfer,  assignment or other conveyance thereof shall be
required in each  instance  (which  consent APS shall be under no  obligation to
grant or not withhold).

         9. INSURANCE COVERAGE.  Consolidated and the Subsidiaries each covenant
and agree that APS has received,  prior to or simultaneously  upon the execution
of  this  Agreement,  written  agreements  from  all of  Consolidated's  and the
Subsidiaries'  current insurance carriers or insurance brokers (i) acknowledging
the  existence  and terms of coverage  of all  policies  of  insurance  owned or
<PAGE>

maintained  by  Consolidated  or any of the  Subsidiaries,  and  (ii)  expressly
agreeing  with APS that  each  carrier  or broker  will  notify  APS in  writing
simultaneously  whenever a cancellation notice is sent to Consolidated or any of
the Subsidiaries with respect to any of the policies of insurance.  Furthermore,
Consolidated  and each of the  Subsidiaries  covenants  and  agrees  that,  as a
condition to obtaining or renewing any policies of  insurance,  they will obtain
from  the  applicable   insurance   carriers  or  brokers   written   agreements
acknowledging  the  existence  and terms of coverage of the subject  policies of
insurance  and  expressly  agreeing  with APS that each  carrier or broker  will
notify APS in writing  simultaneously  whenever a cancellation notice is sent to
Consolidated or any of the  Subsidiaries  with respect to any of the policies of
insurance.

         10.   INTERCOMPANY   INDEBTEDNESS.   Consolidated   and   each  of  the
Subsidiaries  agrees that for so long as any indebtedness  from  Consolidated or
any of the Subsidiaries, to APS remains unpaid, neither Larco nor 7-7 shall have
any payment  obligation,  shall make any  payments,  or shall  forego,  waive or
release  any amount due to Larco or 7-7,  with  respect to any  intercompany  or
affiliate  indebtedness,  and neither  Consolidated  nor any of the Subsidiaries
shall (i) fail to pay any amounts due Larco or 7-7, or (ii)  demand,  receive or
accept any  payments  from  either  Larco or 7-7 except for (X) charges to Larco
used solely to satisfy  payroll,  administrative,  debt or other  legitimate and
commercially  reasonable  obligations of Larco arising in the ordinary course of
business  consistent with past  practices,  or (Y) short term advances repaid to
Larco within ten (10) days after being made by Larco. Furthermore,  Consolidated
and each of the Subsidiaries  agrees that upon any default, or event of default,
under the New Note or any of the Security  Documents,  Consolidated  and each of
<PAGE>

the Subsidiaries  will be deemed,  automatically  and without the requirement of
any further  action on their part,  to have  forgiven,  waived and  released any
indebtedness  or  obligations  owed to them by  Larco  or by 7-7,  and  will not
thereafter demand,  receive or accept any payments,  properties or other amounts
from  Larco or 7-7,  and Larco  and 7-7 will not  thereafter  pay or tender  any
amounts to any  Subsidiary.  Consolidated  and each of the  Subsidiaries  agrees
that, upon request of APS, they will execute such acknowledgments, documents and
other  instruments  or  agreements  as APS shall request to evidence the matters
described in this Section 10.

         11.  REPRESENTATIONS  AND  WARRANTIES.  Consolidated  and  each  of the
Subsidiaries hereby, jointly and severally,  represents and warrants to APS, and
covenants with APS, as follows:

                  (a) Consolidated and each of the Subsidiaries is a corporation
duly  organized,  validly  existing,  and in good standing under the laws of the
state of their  incorporation,  and has full  corporate  power and  authority to
carry  on its  business  as now  conducted,  to  enter  into  and  perform  this
Agreement,  and to perform all of its obligations under and pursuant to each and
every of the Security  Documents to which it is a party. This Agreement has been
duly and validly authorized,  executed and delivered by Consolidated and each of
the  Subsidiaries,   and  constitutes  the  valid  and  binding   obligation  of
Consolidated  and  each  of  the  Subsidiaries,   enforceable  against  them  in
accordance with its terms.

                  (b) There is only one class of  common  stock of  Consolidated
outstanding.
<PAGE>

                  (c)   Consolidated   has  made  available  to  APS  copies  of
Consolidated's  annual report on Form 10-K for the year ended December 31, 1996,
and its quarterly reports on Form 10-Q for the quarters ended March 31, 1997 and
June 30, 1997,  (collectively,  the "Periodic Reports"),  in the form filed with
the Commission  pursuant to the  requirements  of the Exchange Act. The Periodic
Reports were  appropriately  responsive to the requirements of the Exchange Act,
were  complete  and proper in form and did not contain an untrue  statement of a
fact or omit to state a fact required to be stated  therein or necessary to make
the  statements  therein,  in light of the  circumstances  under which they were
made, not  misleading.  Since June 30, 1997, and through the Effective  Date, no
event has occurred as a consequence of which  Consolidated  would be required to
file, on or before the Effective  Date, a current report on Form 8-K pursuant to
the requirements of the Exchange Act, except for the Form 8-K filed prior to the
Effective  Date to report that  Consolidated's  stock is no longer traded on the
Nasdaq Stock Market, Inc. SmallCap Market.

         (d) No default,  or event of  default,  has  occurred  under any of the
Security  Documents,  and each of the parties to the  Security  Documents  is in
compliance with its obligations thereunder.

         (e)  Consolidated's and each of the Subsidiaries'  representations  and
warranties  under each of the  Security  Documents to which they are parties was
true and correct  when made,  and remains  true and correct as of the  Effective
Date of this Agreement.
<PAGE>

         (f) The entering into and  performance of their  obligations  under the
Security  Documents,  and the execution and delivery by  Consolidated of the New
Note (and the performance of Consolidated's  and the  Subsidiaries'  obligations
thereunder), does not conflict with or constitute a breach of, or default under,
any organizational document, bylaw, contract, agreement or obligation applicable
to Consolidated or any of the Subsidiaries.

         12. EFFECT OF AGREEMENT.  The parties hereto acknowledge and agree that
this Agreement does not  constitute an amendment,  modification,  replacement or
limitation  on any of APS'  rights  under and  pursuant  to any of the  Security
Documents,  and all of the  Security  Documents  are intended to be, and remain,
binding and enforceable in accordance with their terms.  The Security  Documents
are intended to be construed  consistently with this Agreement.  However, in the
event of a direct  conflict  between the terms of any of the Security  Documents
and this Agreement, the terms of this Agreement shall control.  Consolidated and
each of the Subsidiaries represents, warrants, covenants and agrees that (i) APS
has not breached or defaulted under any contractual  obligations to any of them,
and  (ii)  there  are  no  defenses  available  to  Consolidated  or  any of the
Subsidiaries  against the  enforceability of each and every of their obligations
under the Security  Documents.  Consolidated and each of the  Subsidiaries  does
hereby  forever  release and  discharge  APS and APS'  shareholders,  directors,
officers,  affiliates, agents, attorneys and employees, from any and all claims,
demands, causes of action,  obligations,  debts or other rights, whether arising
from the law of contract,  tort,  property,  common law,  constitutional  law or
statutory  law, known or unknown,  which it may have or could assert,  including
<PAGE>

but not limited to any claims or causes of action relating to the Original Note,
the Security  Documents,  the New Note or any  transactions  with APS (including
without  limitation the purchase by APS, and sale back to  Consolidated,  of the
stock of  Consolidated  pursuant to which the  Original  Note was  executed  and
delivered by  Consolidated to APS). The foregoing is not intended to release APS
from any of its executory obligations under this Agreement.

         Without   limiting  the  foregoing,   Consolidated   and  each  of  the
Subsidiaries  expressly  acknowledge  and agree  that APS is not  relinquishing,
waiving or otherwise modifying any right, claim or cause of action it has or may
have,  against  Consolidated  or  any  of  the  Subsidiaries  or  any  of  their
affiliates,  directors,  officers,  shareholders or employees, including without
limitation,  any such  claims,  rights or causes  of action  related  to (i) the
negotiation and entering into the various agreements and transactions which give
rise to the Original Note and Security Documents,  or any misrepresentation made
in  connection  therewith,  or any  breach or  default  thereunder,  or (ii) the
Original Note, the New Note, or any of the Security Documents,  or any breach or
default thereunder.

         13. REIMBURSEMENT OF EXPENSES. Consolidated agrees to reimburse APS for
all legal fees and associated expenses incurred by APS in negotiating, preparing
and entering into this Agreement,  the New Note and the Security Documents,  and
perfecting  the  various  security  interests  granted  pursuant  thereto.   APS
acknowledges  that  Consolidated has prepaid Ten Thousand  Dollars  ($10,000) of
such fees and  expenses.  Consolidated  agrees to promptly  reimburse any of the
reimbursable fees and expenses described above in excess of Ten Thousand Dollars
($10,000) upon written  request by APS,  which request shall include  reasonable
supporting  documentation  for the  reimbursement  requested.  In the  event the
reimbursable  fees and  expenses  described  above do not  exceed  Ten  Thousand
Dollars ($10,000), APS will reimburse any unutilized amount of the prepayment to
Consolidated after a final accounting of the costs incurred by APS.
<PAGE>

         14.  REMEDIES.  This  Agreement  may be  enforced  at law or in equity,
including, but not limited to, injunctive relief. In case any one or more of the
provisions  of this  Agreement  shall,  for any  reason,  be held to be invalid,
illegal or  unenforceable  in any respect,  any other  provision  hereof in this
Agreement  shall be  construed as if such  invalid,  illegal,  or  unenforceable
provision  had  never  been   contained   herein.   Such  invalid,   illegal  or
unenforceable  provisions  shall be given  effect  to the  maximum  extent  then
permitted by law.  Consolidated  and the  Subsidiaries  shall be deemed to be in
joint and several default under this Agreement if there is any default (which is
not cured after any required  notices of default and  opportunity to cure) under
the New Note or any of the Security Documents.

         15.  GOVERNING LAW AND VENUE.  This Agreement shall be governed by, and
construed  and  enforced  in  accordance  with,  the laws of the  State of Texas
(except the laws of Texas that would  render  such  choice of law  ineffective).
Venue for any action relating to this Agreement shall be proper only in Texas.

         16. COUNTERPARTS.  This Agreement may be executed simultaneously in one
or more  counterparts,  each of which  shall be deemed an  original,  and all of
which together shall constitute one and the same instrument.
<PAGE>

         17. INUREMENT.  This Agreement shall be binding upon the parties hereto
and their  respective  heirs,  legal  representatives,  successors and permitted
assigns.  This Agreement shall not be assignable by any party hereto (other than
APS) without the express prior  written  consent of APS in each  instance.  Upon
written notice to Consolidated,  APS may assign its rights and obligations under
this  Agreement.  Upon  the  creation  or  acquisition  of any  new  Subsidiary,
Consolidated  and the  Subsidiaries  shall cause such new Subsidiary to promptly
execute and be bound by, a counterpart of this Agreement.

         18. NOTICES.  Any notices  required or permitted to be given under this
Agreement  shall be given in  writing  and  shall be  deemed  received  (a) when
personally  delivered to the relevant party at its address as set forth below or
(b) if sent by mail, on the third day  following the date when  deposited in the
United  States  mail,  certified or  registered  mail,  postage  pre-paid to the
relevant party at its address indicated below:

         APS:      American Physicians Service Group, Inc.
                   1301 Capital of Texas Highway, Suite C-300
                   Austin, Texas 78746-6550
                   Attn: President

         Consolidated
         or
         the Subsidiaries:          Consolidated Eco-Systems, Inc.
                                    6807 West 12th Street
                                    Little Rock, AR  72204
                                    Attn: President

Any party may change its address for purposes of this Agreement by proper notice
to the other party.
<PAGE>



               [Remainder of this page left intentionally blank.]

<PAGE>




043860.0002  Austin  32504 v04


                               SIGNATURE PAGES TO
                          MASTER REFINANCING AGREEMENT


         IN  WITNESS  WHEREOF,  the  parties  hereto  have  duly  executed  this
         Agreement as of the 6th day of November, 1997.


         CONSOLIDATED:                       Consolidated Eco-Systems, Inc.


                                             By: /s/ James J. Connors, Jr.

                                             Name: James J. Connors

                                             Title: President/CEO


         APS:                                American Physicians Service Group,
                                                Inc.


                                             By: /s/ Duane Boyd

                                             Name: Duane Boyd

                                             Title: Senior VP


         LARCO:                              Larco Environmental Services, Inc.


                                             By: /s/ James J. Connors, Jr.

                                             Name: James J. Connors, Jr.

                                             Title: President/CEO


<PAGE>





                               SIGNATURE PAGES TO
                          MASTER REFINANCING AGREEMENT
                                   (continued)

         7-7:                                7-7, Inc.


                                             By: /s/ Sam M. Williams

                                             Name: Sam M. Williams

                                             Title: President


         CES:                                Consolidated Environmental
                                                Services, Inc.


                                             By: /s/ James J. Connors, Jr.

                                             Name: James J. Connors, Jr. 

                                             Title: President/CEO


         CIERRA:                             Cierra, Inc.


                                             By: /s/ James J. Connors, Jr.

                                             Name: James J. Connors, Jr.

                                             Title: President/CEO


         KR INDUSTRIAL:                      KR Industrial Services of Alabama,
                                               Inc.


                                             By: /s/ James J. Connors, Jr.

                                             Name: James J. Connors, Jr.

                                             Title: President/CEO 

<PAGE>


                               SIGNATURE PAGES TO
                          MASTER REFINANCING AGREEMENT
                                   (continued)

         EXSORBET TECHNICAL:                 Exsorbet Technical Services, Inc.


                                             By: /s/ James J. Connors, Jr.

                                             Name: James J. Connors, Jr.

                                             Title: President/CEO 


         ACQUISITION:                        Eco Acquisition, Inc.


                                             By: /s/ James J. Connors, Jr.

                                             Name: James J. Connors, Jr.

                                             Title: President/CEO 


<PAGE>


                                                                 Exh. 10-32


                                PROMISSORY NOTE




Austin, Texas                                                   November 6, 1997


        For Value Received, the undersigned,  CONSOLIDATED ECO-SYSTEMS, Inc., an
Idaho  corporation  formerly  known as  Exsorbet  Industries,  Inc.  (the Maker)
promises to pay to the order of American Physicians Service Group, Inc., a Texas
corporation  (the Payee),  at1301Capital  of Texas Hwy.,  Suite  C-300,  Austin,
Texas,  78746  (Payees  Address),  the  principal  amount of Three Million Seven
Hundred   Eighty  Eight   Thousand  Five  Hundred   Eighty  and  00/100  Dollars
($3,788,580)  (the  Principal  Amount),  together  with  interest  on the unpaid
balance of such amount as provided herein,  in lawful money of the United States
of America, in accordance with all the terms, conditions,  and covenants of this
Note and the Security Documents identified below.

        1.  PAYMENTS.  Beginning  on  January 1, 1998,  and  continuing  through
September1,1998,  a payment  of$40,000  shall be due each month on or before the
1st day of the month; beginning October1,1998, a payment of $85,000 shall be due
each month on or before the 1st day of the month,  until  October 1, 1999,  when
the principal  balance of this Note and all accrued and unpaid interest shall be
due and payable in full. All payments shall be applied first to interest accrued
under this Note,  then to  principal.  Until  such time as all  amounts  due and
payable  under and pursuant to this Note have been paid in full,  the  foregoing
monthly  payments  required  in each of the  months  beginning  January  1, 1998
through  the  payment  due  on  September1,  1999,  will  be  due  and  payable,
notwithstanding  that prepayments of principal or interest may have been made in
the  interim.  Any and all  amounts  due under and  pursuant to this Note may be
prepaid at any time prior to the Maturity Date without penalty.
<PAGE>

        2. REFINANCING TRANSACTION. This Note is given in renewal, extension and
replacement of that certain promissory note dated November 26, 1996, executed by
Maker to the order of Payee in the original  principal  amount of Three  Million
Three Hundred Thousand Dollars ($3,300,000).  Maker and Makers subsidiaries have
executed  a Master  Refinancing  Agreement  of even date  herewith  (the  Master
Agreement),  and this Note and the obligations of Maker hereunder are secured by
the  Security  Documents  described  in the Master  Agreement.  This  Note,  the
Security  Documents  (as  defined  in  the  Master  Agreement)  and  the  Master
Agreement, and all the documents evidencing,  securing, governing,  guaranteeing
and/or  pertaining to this Note, are sometimes  collectively  referred to as the
Transaction Documents.  Payee and any subsequent owner or holder of this Note is
entitled to the benefits and security provided in the Transaction Documents.

        3.      INTEREST PROVISIONS.

                (a) RATE.  The principal  balance of this Note from time to time
remaining unpaid prior to maturity shall bear interest at a fixed rate per annum
equal to  fifteen  percent(15%)  (the Note  Rate),  but never  greater  than the
Maximum Lawful Rate, as that term is defined in this Note.
<PAGE>

                (b) MAXIMUM LAWFUL INTEREST.  The term Maximum Lawful Rate means
the maximum  rate of  interest,  and the term  Maximum  Lawful  Amount means the
maximum  amount of  interest  that are  permissible  under  applicable  state or
federal  law  for the  type  of  loan  evidenced  by  this  Note  and the  other
Transaction Documents. If Article 1.04 of the Texas Credit Code is applicable to
this Note, and applicable state or federal law does not permit a higher interest
rate, the Indicated  (Weekly)  Ceiling (as defined in Article  1.04(a)(1) of the
Texas Credit Code) shall be the Interest  Rate Ceiling  applicable  to this Note
and shall be the basis for  determining  the Maximum  Lawful Rate in effect from
time to time  during the term of this Note,  unless a  different  Interest  Rate
Ceiling is designated  on the first page of this Note.  If  applicable  state or
federal law allows a higher  interest rate or federal law preempts the state law
limiting the rate of interest,  then the  foregoing  Interest Rate Ceiling shall
not be  applicable  to this Note.  If the Maximum  Lawful Rate is  increased  by
statute or other  governmental  action subsequent to the date of this Note, then
the new Maximum  Lawful Rate shall be applicable to this Note from the effective
date thereof, unless otherwise prohibited by applicable law.

                (c)  SPREADING  OF  INTEREST.  Because  of  the  possibility  of
irregular  periodic  balances of  principal  and  premature  payment,  the total
interest that will accrue under this Note cannot be determined in advance. Payee
does not intend to contract for, charge, or receive more than the Maximum Lawful
Rate or Maximum Lawful Amount  permitted by applicable state or federal law, and
to  prevent  such an  occurrence  Payee  and Maker  agree  that all  amounts  of
interest,  whenever contracted for, charged,  received by Payee, with respect to
the  loan of  money  evidenced  by this  Note,  shall be  spread,  prorated,  or
allocated over the full period of time this Note is unpaid, including the period
of any renewal or extension of this Note.  If demand for payment of this Note is
made by Payee  prior to the full  stated  term,  the total  amount  of  interest
contracted for, charged, or received to the time of such demand shall be spread,
prorated, or allocated along with any interest thereafter accruing over the full
period of time that this Note  thereafter  remains  unpaid  for the  purpose  of
determining if such interest exceeds the Maximum Lawful Amount.
<PAGE>

                (d) EXCESS  INTEREST.  At maturity  (whether by  acceleration or
otherwise)  or on earlier  final  payment of this Note,  Payee shall compute the
total amount of interest that has been contracted for,  charged,  or received by
Payee or payable by Maker under this Note and compare such amount to the Maximum
Lawful  Amount  that could have been  contracted  for,  charged,  or received by
Payee. If such  computation  reflects that the total amount of interest that has
been contracted for,  charged,  or rece by Payee or payable by Maker exceeds the
Maximum  Lawful  Amount,  then Payee shall apply such excess to the reduction of
the  principal  balance  and not to the payment of  interest;  or if such excess
interest exceeds the unpaid principal balance,  such excess shall be refunded to
Maker.  This  provision  concerning  the crediting or refund or excess  interest
shall control and take  precedence over all other  agreements  between Maker and
Payee so that under no  circumstances  shall the total interest  contracted for,
charged, or received by Payee exceed the Maximum Lawful Amount.

                (e)  INTEREST  AFTER  DEFAULT.  At  Payee's  option,  the unpaid
principal balance shall bear interest after maturity (whether by acceleration or
otherwise) at the Default  Interest Rate. The Default Interest Rate shall be, at
Payee's  option,  (i) the Maximum  Lawful Rate,  if such Maximum  Lawful Rate is
established  by applicable  law; or (ii) the Note Rate plus five (5)  percentage
points,  if no Maximum Lawful Rate is  established  by applicable  law; or (iii)
eighteen percent (18%) per annum; or (i such lesser rate of interest as Payee in
its sole discretion may choose to charge; but never more than the Maximum Lawful
Rate or at a rate that would cause the total interest  contracted for,  charged,
or received by Payee to exceed the Maximum Lawful Amount.
<PAGE>

                (f) DAILY  COMPUTATION OF INTEREST.  To the extent  permitted by
applicable  law,  Payee at its  option may  either  (i)  calculate  the per diem
interest  rate or amount based on the actual  number of days in the year (365 or
366, as the case may be), and charge that per diem  interest rate or amount each
day, or (ii)  calculate the per diem interest rate or amount as if each year has
only 360 days, and charge that per diem interest rate or amount each day for the
actual number of days of the year or 366 as the case may be). If this Note calls
for monthly payments, Payee at its option may determine the payment amount based
on the  assumption  that each year has only 360 days and each month has 30 days.
In no event shall Payee  compute the interest in a manner that would cause Payee
to contract  for,  charge,  or receive  interest  that would  exceed the Maximum
Lawful Rate or the Maximum Lawful Amount.

        4.      DEFAULT PROVISIONS.

                (a) EVENTS OF DEFAULT AND ACCELERATION OF MATURITY. Maker agrees
that an event of default  shall exist under this Note and the other  Transaction
Documents  if:  (i)  Maker  fails to fully  pay any  installment  of  principal,
interest,  or any other sum  required to be paid under the terms of this Note or
any of the Transaction  Documents  within  fifteen(15)  calendar days after such
<PAGE>

installment  or other sum is due; or (ii) there is a default,  which  exists for
fifteen (15) calendar days, in the  performance of any covenant,  condition,  or
agreement  contained  in this Note or any of the  Transaction  Documents,  or an
event of default or default  otherwise  exists,  for fifteen (15) calendar days,
under  any of the  other  Transaction  Documents;  or (iii)  the  bankruptcy  or
insolvency  of,  the  assignment  for  the  benefit  of  creditors  by,  or  the
appointment  of a  receiver  for any of the  property  of,  or the  liquidation,
termination,  dissolution or death or legal  incapacity of, any party liable for
the  payment of this  Note,  whether as maker,  endorser,  guarantor,  surety or
otherwise.  Maker agrees that if an event of default occurs,  Payee may, without
notice  or  demand,  except  as  otherwise  required  by  statute  or  otherwise
specifically  provided in this Note or any of the other  Transaction  Documents,
accelerate  the  maturity of this Note and declare the entire  unpaid  principal
balance and all accrued  interest at once due and payable,  foreclose  all liens
and security  interests  securing  this Note,  and exercise all other rights and
remedies  Payee may have  under this Note and the other  Transaction  Documents,
including any one or more of the foregoing remedies.

                (b) WAIVER BY MAKER. Maker And All Other Parties Liable For This
Note Waive Demand, Notice Of Intent To Demand,  Presentment For Payment,  Notice
Of Nonpayment,  Protest, Notice Of Protest, Grace, Notice Of Dishonor, Notice Of
Intent To Accelerate Maturity, Notice of Acceleration Of Maturity, And Diligence
In Collection.  Each Maker, Surety,  Endorser, And Guarantor Of This Note Waives
And Agrees To One Or More  Extensions For Any Period Or Periods Of Time, And Any
Partial Payments, Before After Maturity, Without Prejudice To The Holder Of This
Note. Each Maker, Surety,  Endorser,  And Guarantor Waives Notice Of Any And All
Renewals, Extensions, Rearrangements, And Modifications Of This Note.
<PAGE>

                (c)  NONWAIVER  BY  PAYEE.  Any  previous   extension  of  time,
forbearance,  failure to pursue some remedy,  acceptance  of late  payments,  or
acceptance  of partial  payment  by Payee,  before or after  maturity,  does not
constitute  a waiver by Payee of its  subsequent  right to strictly  enforce the
collection of this Note according to its terms.

                (d)  REMEDIES.  Payee  shall not be required to first file suit,
exhaust all  remedies,  or enforce its rights  against any  security in order to
enforce payment of this Note. The rights,  remedies,  and recourses of Payee, as
provided in this Note and in any of the other  Transaction  Documents,  shall be
cumulative  and  concurrent  and  may be  pursued  separately,  successively  or
together as often as occasion  therefore  shall arise, at the sole discretion of
Payee.

                (e) JOINT AND SEVERAL LIABILITY. Each Maker who signs this Note,
and all of the other  parties  liable  for the  payment  of this  Note,  such as
guarantors,  endorsers,  and sureties,  are jointly and severally liable for the
payment of this Note.

                (f)  ATTORNEY'S  FEES.  If Payee  requires  the  services  of an
attorney  to enforce the  payment of this Note or the  performance  of the other
Transaction  Documents,  or if  this  Note is  collected  through  any  lawsuit,
probate,  bankruptcy, or other judicial proceeding, Maker agrees to pay Payee an
amount equal to its reasonable  attorney's fees and other collection costs. This
provision shall be limited by any applicable statutory  restrictions relating to
the collection of attorney's fees. 
<PAGE>

        5.      MISCELLANEOUS PROVISIONS.

                (a)  SUBSEQUENT  HOLDER.  All  references  to Payee in this Note
shall also  refer to any  subsequent  owner or holder of this Note by  transfer,
assignment, endorsement, or otherwise.

                (b)  TRANSFER.  Maker  acknowledges  and  agrees  that Payee may
transfer this Note or partial  interests in the Note to one or more  transferees
or  participants.  Maker  authorizes Payee to disseminate any information it has
pertaining  to the  indebtedness  evidenced  by this  Note,  including,  without
limitation,  credit  information on Maker and any guarantor of this Note, to any
such transferee or participant or prospective transferee or participant.

                (c) OTHER PARTIES LIABLE. All promises, waivers, agreements, and
conditions  applicable to Maker shall likewise be applicable to and binding upon
any other parties primarily or secondarily  liable for the payment of this Note,
including all guarantors, endorsers, and sureties.

                (d) PAYMENT IN U.S.  DOLLARS.  All payments and  prepayments  of
principal  of or  interest  on this Note  shall be made in  lawful  money of the
United States of America in immediately available funds, at the address of Payee
indicated  above, or such other place as the holder of this Note shall designate
in  writing  to Maker.  The  books and  records  of Payee  shall be prima  facie
evidence of all outstanding principal of and accrued and unpaid interest on this
Note. 
<PAGE>

                (e) PAYMENT ON BUSINESS  DAYS.  The term Business Day shall mean
any day other than a Saturday, Sunday or any other day on which national banking
associations  are  authorized  to be closed.  If any payment of  principal of or
interest  on this Note shall  become  due on a day which is not a Business  Day,
such  payment  shall be made on the next  succeeding  Business  Day and any such
extension of time shall be included in  computing  interest in  connection  with
such payment.

                (f) SUCCESSORS AND ASSIGNS. The provisions of this Note shall be
binding upon and for the benefit of the successors,  assigns,  heirs, executors,
and administrators of Payee and Maker.

                (g) NO DUTY OR SPECIAL  RELATIONSHIP.  Maker  acknowledges  that
Payee  has no duty of good  faith  to  Maker,  and  Maker  acknowledges  that no
fiduciary,  trust, or other special relationship exists between Payee and Maker.
If Payee and Maker are now engaged in or in the future engage in other  business
transactions,  such other business transactions are independent of this Note and
the  indebtedness  evidenced  hereby and of the promises and  covenants  made by
Maker in this Note, and vice versa.

                (h) MODIFICATIONS. Any modifications agreed to by Payee relating
to the release of  liability  of any of the  parties  primarily  or  secondarily
liable for the payment of this Note,  or relating to the release,  substitution,
or  subordination  of all or part of the security for this Note, shall in no way
constitute a release of liability  with respect to the other parties or security
not covered by such modification. 
<PAGE>

                (i) ENTIRE  AGREEMENT.  Maker warrants and  represents  that the
Transaction  Documents  constitute the entire agreement  between Maker and Payee
with  respect to the  indebtedness  evidenced  by this Note and  agrees  that no
modification,   amendment,   or  additional   agreement  with  respect  to  such
indebtedness will be valid and enforceable unless made in writing signed by both
Maker and Payee.

                (j) MAKER'S ADDRESS FOR NOTICE.  All notices required to be sent
by Payee to  Maker  shall be sent by U.S.  Mail,  postage  prepaid,  to  Maker's
Address stated next to Makers signature below, until Payee shall receive written
notification from Maker of a new address for notice.

                (k) PAYEE'S  ADDRESS FOR  PAYMENT.  All sums payable by Maker to
Payee shall be paid at Payee's Address stated on the first page of this Note, or
at such other address as Payee shall designate from time to time.

                (l) CHAPTER 15 NOT APPLICABLE.  It is understood that Chapter 15
of the Texas Credit Code relating to certain  revolving credit loan accounts and
triparty accounts is not applicable to this Note. 
<PAGE>

                (m)     STATUTORY REFERENCES.  References herein to the Texas
Credit Code mean and refer to such Code, as amended by the 75th Legislature,
House Bill 1971 (1997).

                (n)  APPLICABLE  LAW. This Note Shall Be Construed In Accordance
With The Applicable Laws Of The State Of Texas And The Laws Of The United States
Of America Applicable To Transactions In Texas.


        EXECUTED this 6th day of November, 1997.


Maker:

                                                Consolidated Eco-Systems, Inc.



                                                By: /s/ James J. Connors, Jr.

                                                Name: James J. Connors

                                                Title: President/CEO


<PAGE>

                                                                 Exh. 10-33

                       ASSIGNMENT AND SECURITY AGREEMENT


        THIS  ASSIGNMENT  AND SECURITY  AGREEMENT  (this  Agreement) is made and
entered  into as of the 6th  day of  November,  1997,  by and  between  American
Physicians  Service  Group,  Inc., a Texas  corporation  (the Secured Party) and
Consolidated Eco-Systems,  Inc., an Idaho corporation formerly known as Exsorbet
Industries, Inc. (the Debtor).

                                   RECITALS:

A. Debtor executed and delivered that certain Promissory Note dated November 26,
1996 (the Original Note) in the original principal amount of Three Million Three
Hundred Thousand Dollars ($3,300,000) payable to the order of Secured Party.

B. The Original Note was secured pursuant to the following  agreements,  all for
the benefit of Secured Party: (i) that certain Security Agreement dated December
12, 1996,  entered into by7-7,  Inc., an Arkansas  corporation  (7-7),  formerly
known as 7-7 Merger,  Inc.; (ii) that certain Security Agreement dated September
30,  1996,  entered  into by 77;  (iii) that  certain  Assignment  and  Security
Agreement  dated  September  30, 1996,  entered  into by Debtor;  and (iv) those
certain Guaranty  Agreements  dated September 30, 1996,  entered into by each of
the following entities:

        a.      Consolidated Environmental Services, Inc., an Arkansas
                    corporation (CES);

        b.      Cierra, Inc., an Arkansas corporation (Cierra);

        c.      Larco Environmental Services, Inc., a Louisiana corporation
                    (Larco);

        d.      KR Industrial Services of Alabama, Inc., an Alabama corporation
                    (KR Industrial);

        e.      Exsorbet Technical Services, Inc., an Arkansas corporation
                    (Exsorbet Technical) doing business as SpilTech Services,
                    Inc.;

        f.      Eco Acquisition, Inc., an Arkansas corporation (Acquisition),
                    also known as Eco-Systems, Inc.; and

        g.      7-7

(all of the  agreements  described  in (i) through  (iv) above are  collectively
referred to herein as the Original Security Documents).
<PAGE>

C. Debtor has executed and delivered a new note of even date  herewith,  payable
to the order of Secured Party,  in the original  principal  amount of $3,788,580
(the New Note) in renewal and extension of the Original Note,  which New Note is
also secured  pursuant to (i) the  Original  Security  Documents,  and (ii) that
certain Security Agreement of even date herewith entered into for the benefit of
Secured Party by Larco (the Larco Security Agreement) (the agreements  described
in (i) and  (ii) of this  sentence,  together  with  the  Refinancing  Agreement
described below and this Agreement,  are collectively  referred to herein as the
Security Documents).

D. Secured Party has requested  that Debtor  pledge the  Collateral  (as defined
below)  to  secure  certain  obligations  and  liabilities,   including  without
limitation  (i) Debtors  obligation to pay to Secured  Party the New Note,  (ii)
Debtors performance of the covenants set forth in the Security Documents,  (iii)
Debtors and Debtors  Subsidiaries  (as hereinafter  defined)  performance of the
covenants set forth in that certain  Master  Refinancing  Agreement of even date
herewith  entered  into for the  benefit of Secured  Party by Debtor and Debtors
Subsidiaries  (as hereinafter  defined) (the  Refinancing  Agreement),  and (iv)
Debtors performance of the covenants more fully set forth herein.

        E.  Reference  is  hereby  made  to  Schedule  I,  attached  hereto  and
incorporated  herein  by  reference,  for  certain  defined  terms  used in this
Agreement.


                                   AGREEMENT:

        Now, Therefore,  in consideration of the foregoing and the covenants and
agreements hereinafter set forth, and other good and valuable consideration, the
receipt and sufficiency of which Debtor  acknowledges,  Debtor and Secured Party
agree as follows:

                                   ARTICLE I
                       COLLATERAL AND SECURED OBLIGATIONS

1.1 GRANT OF SECURITY INTEREST. Debtor hereby assigns, transfers, and pledges to
Secured Party, and Debtor hereby grants to Secured Party a security interest in,
the following described collateral (collectively, the Collateral):

        (a) SHARES OF ACQUISITION AND LARCO.  All issued and outstanding  shares
of common stock of Acquisition and Larco,  including  without  limitation  those
shares  evidenced by the  certificates  described in Schedule II attached hereto
and incorporated  herein, and any replacements,  substitutions,  or exchanges of
such  certificates;  and any additional shares of common stock of Acquisition or
Larco  subsequently  delivered or issued to Secured  Party (the above  described
stock is sometimes  collectively  referred to as the Subsidiary Shares); and any
options, rescission rights, registration rights, conversion rights, subscription
rights,  contractual or quasicontractual  rights,  warrants,  redemption rights,
redemption proceeds,  calls, preemptive rights and all other rights and benefits
pertaining to the Subsidiary Shares; 
<PAGE>

                (b)  SHARES OF DEBTOR.  1,200,000  shares of the $.001 par value
per  share  common  stock  of  Consolidated  (the  Consolidated   Shares),  such
Consolidated  Shares being those certain shares of common stock of  Consolidated
purchased by Consolidated from Secured Party in November,  1996, for $3,300,000,
and any replacements,  substitutions, or exchanges of such certificates; and any
options, rescission rights, registration rights, conversion rights, subscription
rights,  contractual  or  quasicontrac  rights,  warrants,   redemption  rights,
redemption rights,  redemption proceeds,  calls, preemptive rights and all other
rights and benefits pertaining to the Consolidated Shares (the Subsidiary Shares
and the  Consolidated  Shares  are  sometimes  collectively  referred  to as the
Shares);

        (c) ACCOUNTS.  All accounts and rights now or hereafter  attributable to
any of the  Collateral  described in (a) or (b) above,  and all rights of Debtor
now or  hereafter  arising  under any  agreement  pertaining  to the  Collateral
described in (a) or (b) above,  including without  limitation all distributions,
proceeds, fees, dividends,  preferences,  payments or other benefits of whatever
nature which  Debtor are now or may  hereafter  become  entitled to receive with
respect to any Collateral described in (a) or (b) above; and

                (d)  ADDITIONAL  PROPERTY.  Collateral  shall also  include  the
following property (collectively,  the Additional Property) which Debtor becomes
entitled to receive or shall  receive in connection  with any other  Collateral:
(i)  any  stock  certificate,  including  without  limitation,  any  certificate
representing  a  stock  dividend  or any  certificate  in  connection  with  any
recapitalization,  reclassification,  merger, consolidation, conversion, sale of
assets, combination of shares, stock split, reverse stock split or spinoff; (ii)
any  option,  warrant,  subscription  or right,  whether as an addition to or in
substitution of any other  Collateral;  (iii) any dividends or  distributions of
any kind  whatsoever,  whether  distributable  in cash, stock or other property;
(iv) any  interest,  premium or principal  payments;  and (v) any  conversion or
redemption proceeds.

                (e) PROCEEDS. All proceeds (cash and noncash) arising out of the
sale,  exchange,  collection or other  disposition  of all or any portion of the
Collateral  described  in  (a),  (b),  (c),  or  (d)  above,  including  without
limitation proceeds in the form of stock, accounts,  chattel paper, instruments,
documents, goods, inventory and equipment.

The  security  interest in the  Collateral  hereby  granted by Debtor to Secured
Party may sometimes be referred to in this Agreement as the Security Interest.

        1.2 OBLIGATIONS.  This Agreement and the Security  Interest shall secure
full and punctual payment and performance of the following indebtedness,  duties
and obligations (the Obligations):

                (a)     All covenants, obligations, and liabilities of Debtor
and Debtors Subsidiaries to Secured Party under the Security Documents;

                (b) All principal,  interest,  fees and other amounts payable to
the Secured  Party  pursuant  to the New Note,  including  all future  advances,
extensions, renewals, modifications, increases, or substitutions thereof; 
<PAGE>

                (c) All  liabilities  and obligations of Debtor to Secured Party
under and  pursuant to this  Agreement  and/or any other  contract or  agreement
between  Secured Party and Debtor or between Secured Party and any Subsidiary or
affiliate of Debtor; and

                (d) (i)all  indebtedness,  obligations and liabilities of Debtor
and/or  Debtors  Subsidiaries  and  affiliates  to Secured  Party of any kind or
character, now existing or hereafter arising, whether direct, indirect, related,
unrelated, fixed, contingent, liquidated,  unliquidated, joint, several or joint
and several, arising from, connected with, or related to the Security Documents,
the New Note,  or any other  document,  agreement,  or  instrument  executed  in
connection   therewith,   (ii)all  accr  but  unpaid  interest  on  any  of  the
indebtedness  described  in  (i)above,  (iii)all  obligations  of Debtor  and/or
Debtors  Subsidiaries  and  affiliates  to  Secured  Party  under any  documents
evidencing,  securing,  governing  and/or  pertaining  to all or any part of the
indebtedness  described  in (i) and  (ii)  above,  (iv)all  costs  and  expenses
incurred by Secured Party in connection  with the collection and  administration
of all or any part of the  indebtedness  and obligations  described in (i), (ii)
and (iii) above or the protection or preservation  of, or realization  upon, the
collateral  securing  all or any  part of  such  indebtedness  and  obligations,
including without limitation all reasonable attorneys fees, and (v)all renewals,
extensions, modifications and rearrangements of the indebtedness and obligations
described in (i), (ii), (iii) and (iv) above.

                (e) All sums expended or advanced by Secured  Party  pursuant to
any term or  provision  of this  Agreement  (i) to collect  and/or  enforce  the
Obligations,  (ii) to maintain,  protect and preserve the Collateral,  and (iii)
all other sums now or hereafter  loaned or advanced by Secured  Party to Debtor,
or expended by Secured  Party for the  account of Debtor or  otherwise  owing by
Debtor to Secured Party, in respect to the Obligations.

        1.3 VOTING  RIGHTS.  As long as no Event of Default  shall have occurred
hereunder,  any voting rights incident to any stock or other securities  pledged
as Collateral may be exercised by Debtor;  provided,  however,  that Debtor will
not exercise,  or cause to be  exercised,  any such voting  rights,  without the
prior written consent of Secured Party, if the direct or indirect effect of such
vote will result in an Event of Default hereunder


                                   ARTICLE II
       DEBTORS REPRESENTATIONS AND WARRANTIES WITH RESPECT TO COLLATERAL

        Debtor hereby represents and warrants to Secured Party as follows:

2.1  OWNERSHIP  OF  COLLATERAL.  Debtor  has  good and  marketable  title to the
Collateral  free  and  clear  of any  liens,  security  interests,  shareholders
agreement, calls, charge, or encumbrance,  except for this Security Interest. No
financing  statement or other  instrument  similar in effect covering all or any
part of the  Collateral is on file in any recording  office,  except as may have
been filed in favor of Secured Party relating to this Agreement.

2.2 POWER & AUTHORITY.Debtor has the lawful right, power, and authority to grant
the Security  Interest in the  Collateral.  This  Agreement,  together  with all
filings and other  actions  necessary  or  desirable to perfect and protect such
security  interest,  which have been duly  taken,  create a valid and  perfected
first  priority  security  interest in the  Collateral  securing the payment and
performance of the Obligations. 
<PAGE>

2.3 NO  AGREEMENTS.  The Shares are not  subject to any right of  redemption  by
Acquisition,  Larco, or Consolidated, as applicable, or any call or put options,
voting  trust,  proxy,  shareholders  agreement,  right of first  refusal or any
provision of the articles of incorporation  or bylaws of Acquisition,  Larco, or
Debtor, as applicable, or any other document or agreement which would in any way
impair or adversely affect this Security Interest or the rights of Secured Party
under this Agreement.

2.4 LOCATION. Debtors principal place of business and chief executive office are
located at 6807 West 12th Street, Little Rock, Arkansas, 72204. The office where
the records  concerning the Collateral are kept is located at Debtors  principal
place of business.

2.5 SOLVENCY OF DEBTOR AND THE  SUBSIDIARIES.  As of the date hereof,  and after
giving effect to this  Agreement,  the Security  Documents and the New Note, and
the  completion  of all  other  transactions  contemplated  by  Debtor  and  the
Subsidiaries  at the time of the  execution of this  Agreement and the New Note,
(i) Debtor and each  Subsidiary  (other than Cierra,  CES and 77) is and will be
solvent,  (ii) the  fair  saleable  value of  Debtors  assets  exceeds  and will
continue to exceed Debtor's  liabilities (both fixed and contingent),  and (iii)
Debtor has and will have sufficient  capital to carry on Debtors  businesses and
all businesses in which Debtor is about to engage.

2.6 SECURITIES. Any certificates evidencing securities pledged as Collateral are
valid  and  genuine  and  have not  been  altered.  All  securities  pledged  as
Collateral  have been duly  authorized  and validly  issued,  are fully paid and
nonassessable,  and were not issued in violation of the preemptive rights of any
party or of any  agreement  by which Debtor or the issuer  thereof is bound.  No
restrictions  or conditions  exist with respect to the transfer or voting of any
securities pledged as Collateral.  Debtor owns all of the issued and outstanding
stock, of all classes,  of Acquisition  and Larco,  and there are no outstanding
stock rights, rights to subscribe,  options,  warrants or convertible securities
outstanding  or any other  rights  outstanding  entitling  any party,  including
Debtor,  to obtain  (through  conversion or otherwise) any capital stock, of any
class,  of Acquisition  or Larco.  All issued and  outstanding  shares of common
stock of Acquisition  and Larco are evidenced by the  certificates  described in
Schedule II attached hereto.

2.7  OWNERSHIP  OF  SHARES.  Debtor  is,  as of the date  hereof,  the legal and
beneficial  owner of the Shares,  and Debtor has paid the full purchase price or
other consideration for the Shares on the date hereof.

2.8 SUBSIDIARY  SHARES ISSUED AND PAID. All of the Subsidiary Shares are validly
issued and  outstanding  shares of capital stock of  Acquisition  and Larco,  as
applicable, and are fully paid and nonassessable.

2.9  CONSOLIDATED  SHARES  ISSUED.  All of the  Consolidated  Shares are validly
issued to Debtor, and since being purchased by Debtor,  have been held by Debtor
and  reflected  on its books and in all  filings  with the  Securities  Exchange
Commission and other regulatory  bodies,  as treasury shares,  and have not been
retired or otherwise transferred to the status of unissued shares.
<PAGE>

                                  ARTICLE III
                  DEBTORS OTHER REPRESENTATIONS AND WARRANTIES

        3.1  GOODSTANDING - DEBTOR.  Debtor is a duly formed Idaho  corporation,
duly  organized  and in good standing  under the laws of Idaho,  qualified to do
business  in and in good  standing  in each  state  or  country  in  which  such
qualification is necessary for the conduct of its business, and has the power to
own its  property  and to carry on its  business in each  jurisdiction  in which
Debtor operates.

        3.2  GOODSTANDING  -  SUBSIDIARIES.   Each  Subsidiary  (as  more  fully
described below) is a duly formed corporation under the laws of the state of its
incorporation,  duly  organized and in good standing under the laws of the state
of its  incorporation,  qualified to do business in and in good standing in each
state or country in which such qualification is necessary for the conduct of its
business,  and has the power to own its property and to carry on its business in
each jurisdiction in which it operates.  As of the date hereof, the Subsidiaries
constitute all the  subsidiaries of Debtor which generate revenue and/or own any
assets and/or engage in any business activities.

        3.3 AUTHORITY AND COMPLIANCE.Debtor has full power and authority toenter
into this Agreement.  Debtor and Debtors  Subsidiaries,  where applicable,  have
full power and authority to enter into and perform their  obligations  under the
New Note, the Refinancing  Agreement,  and all other Security Documents governed
by this  Agreement and the  Refinancing  Agreement,  all of which have been duly
authorized by all proper and necessary  corporate  action. No further consent or
approval is required as a condition to the validity of this  Agreement,  the New
Note,  or any  other  Security  Documents.  Debtor  and  each  Subsidiary  is in
compliance with all Laws to which it is subject.

3.4 BINDING AGREEMENT.  This Agreement, the Security Documents, and the New Note
constitute   valid  and  legally  binding   obligations  of  Debtor  and,  where
applicable,  the  Subsidiaries,  in accordance with their terms,  subject to the
applicable bankruptcy, insolvency, reorganization,  moratorium, and similar laws
affecting creditors' rights generally.

3.5 LITIGATION. There are no proceedings pending or, to the knowledge of Debtor,
threatened  before any court or  administrative  agency which will or may have a
material  adverse  effect on the financial  condition or operations of Debtor or
any  Subsidiary  or upon  Debtors or any  Subsidiarys  ability  to  perform  its
obligations under the New Note, this Agreement, or the Security Documents.

3.6 NO CONFLICTING AGREEMENTS.There are no charter, bylaw or stock provisions of
Debtor and no  provisions  of any  existing  agreement,  mortgage,  indenture or
contract binding on Debtor or affecting its property,  which would conflict with
or in any way prevent the execution,  delivery,  or carrying out of the terms of
the New Note,  this Agreement or the Security  Documents.  There are no charter,
bylaw or stock  provisions of any  Subsidiary  and no provisions of any existing
agreement,  mortgage,  indenture  or  contract  binding  on  any  Subsidiary  or
affecting  its  property,  which would  conflict  with or in any way prevent the
execution,  delivery,  or  carrying  out of  the  terms  of any of the  Security
Documents to which such Subsidiary is a party.
<PAGE>

3.7 OWNERSHIP OF ASSETS.Debtor has good and full title to the Collateral,and the
Collateral  is  owned  free  and  clear  of  liens,  charges,  claims,  security
interests,  and  other  encumbrances.  Debtor  will at all  times  maintain  its
tangible  property,  real and  personal,  in good order and repair  taking  into
consideration reasonable wear and tear.

3.8 TAXES.  Debtor and each Subsidiary has filed all tax returns  required to be
filed  and has paid  taxes  shown  thereon  to be due,  including  interest  and
penalties,  except such taxes,  if any, as are being contested in good faith and
as to which adequate  reserves have been provided.  The charges,  accruals,  and
reserves  on the books of Debtor or the  Subsidiary  in  respect of any taxes or
other  governmental  charges are, in the opinion of Debtor and such  Subsidiary,
adequate.

3.9  FINANCIAL  STATEMENTS.  The books and  records of Debtor  properly  reflect
Debtor's financial  condition,  and the financial statements of Debtor submitted
to Secured Party properly reflect Debtor's  financial  condition as of such date
and were prepared in accordance with generally accepted  accounting  principles,
consistently applied.

3.10  ERISA  PLAN.  No  Reportable  Event or  Prohibited
Transaction  (as those terms are defined by erisa) has occurred  with respect to
any employee benefit plan of Debtor or any Subsidiary which is subject to erisa.
Neither Debtor nor any Subsidiary has incurred any material accumulated unfunded
deficiency  within the meaning of erisa,  and neither  Debtor nor any Subsidiary
has incurred any material liability to the Pension Benefit Guaranty  Corporation
established  under erisa (or any  successor  thereto  under erisa) in connection
with any such benefit plan.

                                   ARTICLE IV
                 DEBTOR'S COVENANTS WITH RESPECT TO COLLATERAL

        Debtor  covenants  and  agrees  that from the date  hereof and until the
payment  and  performance  in  full  of the  Obligations  unless  Secured  Party
otherwise consents in writing:

        4.1  DELIVERY  OF  INSTRUMENTS  AND/OR  CERTIFICATES.  Contemporaneously
herewith,   Debtor  covenants  and  agrees  to  deliver  to  Secured  Party  any
certificates,   documents,   or  instruments   representing  or  evidencing  the
Collateral,  with Debtors  endorsement  thereon  and/or  accompanied by property
instruments of transfer and assignment duly executed in blank with, if requested
by Secured Party,  signatures  guaranteed by a member or member  organization in
good standing of an authorized Securities Transfer Agents Medallion Program, all
in form and substance satisfactory to Secured Party.

        4.2 FURTHER ASSURANCES - All Shares. Debtor will  contemporaneously with
the execution  hereof and from time to time  thereafter at its expense  promptly
execute and deliver all further  instruments  and documents and take all further
<PAGE>

action  necessary or  appropriate or that Secured Party may request in order (i)
to perfect and protect the security  interest created or purported to be created
hereby and the first priority of such security interest,  (ii) to enable Secured
Party to exercise  and enforce its rights and  remedies  hereunder in respect of
the  Collateral,  and (iii) to otherwise  effect the purposes of this Agreement,
including  without  limitation:  (A)  executing  and  filing  any  financing  or
continuation  statements,  or any  amendments  thereto;  (B)  obtaining  written
confirmation  from the issuer of any  securities  pledged as  Collateral  of the
pledge of such securities,  in form and substance satisfactory to Secured Party;
(C)  cooperating  with Secured Party in registering the pledge of any securities
pledged as Collateral with the issuer of such securities;  (D) delivering notice
of Secured Partys security  interest in any securities  pledged as Collateral to
any securities or financial  intermediary,  clearing  corporation or other party
required by Secured Party, in form and substance  satisfactory to Secured Party;
and  (E)  obtaining  written  confirmation  of  the  pledge  of  any  securities
constituting Collateral from any securities or financial intermediary,  clearing
corporation  or other party  required by Secured  Party,  in form and  substance
satisfactory  to  Secured  Party.  If all  or any  part  of  the  Collateral  is
securities  issued by an agency  or  department  of the  United  States,  Debtor
covenants and agrees,  at Secured  Partys  request,  to cooperate in registering
such securities in Secured Partys name or with Secured Partys account maintained
with a Federal Reserve Bank.

        4.3  FURTHER   ASSURANCES  -  CONSOLIDATED   SHARES.   Contemporaneously
herewith,  Debtor  covenants  and agrees to issue and  deliver  (unless  already
issued  and  delivered)  to Secured  Party a stock  certificate  evidencing  the
Consolidated  Shares,  with Debtors  endorsement  thereon, in form and substance
satisfactory to Secured Party. Debtor further covenants and agrees that it will,
at all times,  except as may be  consented  to  otherwise  in writing by Secured
Party in connection with any registration  and sale of the  Consolidated  Shares
for the benefit of Secured  Party,  maintain the  Consolidated  Shares as issued
treasury  shares,  and will not retire or otherwise  transfer  the  Consolidated
Shares, on its books or to any third party.

        4.4  ADDITIONAL  PROPERTY.  All Additional  Property  received by Debtor
shall be  received  in trust for the benefit of Secured  Party.  All  Additional
Property  and  all  certificates  or  other  written  instruments  or  documents
evidencing  and/or  representing  the  Additional  Property  that is received by
Debtor, together with such instruments of transfer as Secured Party may request,
shall  immediately  be delivered to or deposited  with Secured Party and held by
Secured Party as Collateral under the terms of this Agreement. If the Additional
Property received by Debtor shall be shares of stock or other  securities,  such
shares  of  stock  or  other  securities  shall  be duly  endorsed  in  blank or
accompanied by proper  instruments  of transfer and assignment  duly executed in
blank with, if requested by Secured Party,  signatures guaranteed by a member or
member organization in good standing of an authorized Securities Transfer Agents
Medallion  Program,  all in form and substance  satisfactory  to Secured  Party.
Secured Party shall be deemed to have possession of any Collateral in transit to
Secured Party or its agent.

        4.5  SALE,  TRANSFER,  ENCUMBRANCE.  Debtor  will  not  sell,  transfer,
mortgage,  or otherwise  encumber any  Collateral or impair the value thereof in
any manner  without  Secured  Partys prior written  consent,  including  without
limitation by purchase, lease, barter, trade, payment deferral, or the creation,
assumption  or guarantee of  indebtedness  or other  lending of credit.  Secured
Partys written consent to any sale, mortgage, transfer, or encumbrance shall not
be  construed  to be a waiver of this  provision  in respect  to any  subsequent
proposed sale, mortgage, transfer, or encumbrance. 
<PAGE>

        4.6 LIENS.  Neither  Debtor nor any person acting on Debtors behalf has,
or shall have any right, power, or authority to and shall not create,  incur, or
permit to be placed or  imposed,  upon the  Collateral,  any lien of any type or
nature whatsoever, other than the liens in favor of Secured Party.

        4.7  MATTERS OR  OCCURRENCES  AFFECTING  COLLATERAL  OR THIS  AGREEMENT.
Debtor will promptly  notify Secured Party of any and all matters or occurrences
that may have a material adverse effect on the status or value of the Collateral
or this Agreement,  including  without  limitation the occurrence of an Event of
Default,  or an event  which,  with giving of notice or lapse of time,  or both,
would constitute an Event of Default.

        4.8 AGREEMENTS PERTAINING TO COLLATERAL.  Debtor will not enter into any
type of contract or agreement  pertaining to any of the Collateral or in any way
transfer any voting rights pertaining to the Collateral to any person.

        4.9 CHANGE OF NAME.  Debtor  shall not  change its name (or any  assumed
name or other name under which Debtor does business) unless at least thirty (30)
days prior to the effective  date of any such name change,  Debtor gives Secured
Party written notice of such intended name change and the new name. Debtor shall
execute all such documents and agreements (including without limitation security
agreements,  financing  statements,  and amendments to financing  statements) as
Secured Party may reasonably request in connection with any such name change.

        4.10 DILUTION OF OWNERSHIP.  As to any securities pledged as Collateral,
Debtor  will not  consent to or approve of the  issuance  of (i) any  additional
shares  of  any  class  of  securities  of  such  issuer,  (ii)  any  instrument
convertible  voluntarily  by  the  holder  thereof  or  automatically  upon  the
occurrence or  non-occurrence  of any event or condition  into, or  exchangeable
for, any such  securities,  or (iii) any warrants,  options,  contracts or other
commitments  entitling any third party to purchase or otherwise acquire any such
securities.

        4.11  RESTRICTIONS  ON  SECURITIES.  Debtor  will  not  enter  into  any
agreement  creating,  or otherwise permit to exist, any restriction or condition
upon the transfer,  voting or control of any  securities  pledged as Collateral,
except as  consented to in writing by Secured  Party.  Debtor will not engage in
any stock split, reverse stock split, stock dividend, reclassification, or other
similar act or transaction  regarding its capital stock unless the  Consolidated
Shares are  included  in such act or  transaction  and  effected  thereby in all
respects the same as any other shares,  or class of shares,  of Debtors  capital
stock.


                                   ARTICLE V
                         DEBTORS AFFIRMATIVE COVENANTS

        Until payment and performance of all  Obligations,  Debtor covenants and
agrees as follows:
<PAGE>

       5.1 FINANCIAL  STATEMENTS.  Debtor and each  Subsidiary  shall maintain a
system of accounting reasonably  satisfactory to Secured Party and in accordance
with generally accepted accounting  principles  consistently  applied,  and will
permit  Secured  Party's  officers or  authorized  representatives  to visit and
inspect  Debtor's  and  Subsidiarys  books of account and other  records at such
reasonable  times and as often as Secured  Party may desire  during office hours
and after  reasonable  notice to Debtor and the  applicable  Subsidiary.  Unless
written notice of another location is given to Secured Party, Debtor's books and
records  will be located at Debtor's  address set forth  above.  Debtor and each
Subsidiary  further agree that Debtor and the Subsidiaries will promptly provide
Secured Party with such additional information, reports or statements respecting
their  business   operations  and  financial  condition  as  Secured  Party  may
reasonably  request from time to time.  Debtor shall  deliver to Lender,  within
three (3) days after filing same, all annual,  periodic,  and other filings made
by Debtor with the Securities and Exchange Commission.

        5.2 INSURANCE.  Debtor and each Subsidiary shall maintain insurance with
responsible  insurance companies on such of its properties,  in such amounts and
against such risks as is customarily  maintained by similar businesses operating
in the same  vicinity,  specifically  to  include a policy of fire and  extended
coverage insurance covering all assets, and liability insurance,  all to be with
such companies and in such amounts  satisfactory to Secured Party and to contain
a mortgage  clause naming Secured Party as its interest may appear.  Evidence of
such insurance will be supplied to Secured Party.

       5.3 EXISTENCE AND COMPLIANCE.  Debtor and each Subsidiary  shall maintain
its corporate  existence in good standing and comply with all Laws applicable to
it or to any of its property,  business operations and transactions.  Debtor and
each  Subsidiary  shall qualify as a foreign  corporation  in all  jurisdictions
wherein any  property  now or  hereafter  owned or any business now or hereafter
transacted by Debtor or such Subsidiary makes such qualifications necessary.

        5.4 ADVERSE  CONDITIONS  OR EVENTS.  Debtor and the  Subsidiaries  shall
promptly advise Secured Party in writing of any litigation  filed against Debtor
or any  Subsidiary  and of any  condition,  event  or  act  which  comes  to its
attention  that would or might have a material  adverse effect on Debtors or any
Subsidiarys financial condition or on Debtors ability to perform the Obligations
or any Subsidiarys  ability to perform under its guaranty  agreement executed in
favor of  Secured  Party  with  respect to the  Obligations,  including  without
limitation any  Environmental  Condition that might have such a material adverse
effect the  financial  condition  of Debtor or any  Subsidiary,  any  Reportable
Event,  or any event that could be the basis for  institution  of proceedings by
the Pension Benefit Guaranty Corporation to terminate a plan subject to erisa.

        5.5 TAXES. Debtor and each Subsidiary shall pay all taxes as they become
due and payable.

        5.6  MAINTENANCE.  Debtor and each Subsidiary  shall maintain all of its
tangible  property  in good  condition  and  repair,  reasonable  wear  and tear
excepted, and make all necessary replacements thereof, and preserve and maintain
all licenses,  privileges,  franchises,  certificates and the like necessary for
the operation of their respective business. 
<PAGE>

        5.7  ENVIRONMENTAL.  Debtor  and each  Subsidiary  shall  promptly  give
Secured Party written notice of any  investigation,  claim,  demand,  lawsuit or
other action by any governmental or regulatory agency or private party involving
any  property  owned or leased by Debtor  or any  Subsidiary  and any  Hazardous
Substance or Environmental  Law of which Debtor or any Subsidiary has knowledge.
If Debtor or any  Subsidiary  learns,  or is  notified  by any  governmental  or
regulatory  authority,  that any removal or other  remediation  of any Hazardous
Substance affecting any property owned by Debtor or any Subsidiary is necessary,
Debtor or such Subsidiary shall promptly take all necessary  remedial actions in
accordance with Environmental Law.

        5.8 SUBSIDIARIES.  Subsidiary means (a) CES; (b) Cierra;  (c) Larco; (d)
KR Industrial; (e) Exsorbet Technical; (f) Acquisition;  and (g) 7-7. Debtor and
Secured Party  contemplate  that,  from time to time,  additional  subsidiaries,
either directly or indirectly  wholly-owned by Debtor, may be formed.  Upon such
formation,  each such new subsidiary shall sign a Guaranty Agreement in the form
substantially  the same as  those  executed  in  connection  with  the  Security
Documents,  and shall execute and be bound by the  Refinancing  Agreement.  Each
such new subsidiary  shall be deemed a Subsidiary as defined in and used in this
Agreement and shall be subject to the terms,  conditions,  and covenants of this
Agreement.

        5.9 DIVIDEND RIGHTS. Secured Party shall have the sole right to receive,
hold and apply as Collateral any dividends or other  distributions  with respect
to the  Collateral,  or any part thereof,  in cash or in kind.  All dividend and
other  distributions which are received by Debtor contrary to the provisions the
preceding  sentence shall be received in trust for the benefit of Secured Party,
shall be segregated from other funds of Debtor, and shall be forthwith paid over
to Secured  Party in the exact form received  (properly  endorsed or assigned if
requested by Secured Party),  to be held by Secured Party as Collateral,  or, in
Secured Partys sole discretion, to be applied against payment of any Obligation.

                                   ARTICLE VI
                               NEGATIVE COVENANTS

        Until payment and performance of all  Obligations,  Debtor covenants and
agrees  that  Debtor and each of its  Subsidiaries  will not,  without the prior
written consent of Secured Party:

     6.1  TRANSFE OF ASSETS.  Enter into any merger or  consolidation,  or sell,
lease,  assign,  or otherwise  dispose of or transfer  any assets  having a book
value or fair market value of greater than $50,000  except in the normal  course
of its business.

     6.2 CHANGE IN OWNERSHIP OR STRUCTURE. Dissolve or liquidate; become a party
to any  merger  or  consolidation;  reorganize  as a  professional  corporation;
acquire by purchase,  lease or otherwise all or substantially  all of the assets
or capital stock of any corporation or other entity; or sell,  transfer,  lease,
or otherwise dispose of all or any substantial part of its property or assets or
business.

     6.3  LIENS.  Knowingly  grant,  suffer,  or  permit  liens  on or  security
interests in Debtor's or such  Subsidiarys  assets,  or fail to promptly pay all
lawful claims, whether for labor, materials,  or otherwise,  except for purchase
money security interests arising in the ordinary course of business.
<PAGE>

     6.4  LOANS.  Make any loans,  advances  or  investments  to or in any joint
venture, corporation or other entity, except for the purchase of U.S. Government
obligations or the purchase of Federally-insured certificates of deposit.

     6.5 BORROWINGS.  Create,  incur, assume, or become liable in any manner for
any  indebtedness  (for  borrowed  money,  deferred  payment for the purchase of
assets,  lease  payments,  as surety or  guarantor  of the debt of  another,  or
otherwise)  other than to Secured  Party without  Secured  Party's prior written
consent, except trade debts incurred in the ordinary course of business.

     6.6 VIOLATE OTHER COVENANTS.Violate or fail to comply with any covenants or
agreements  regarding other debt which will or would with the passage of time or
upon demand cause the maturity of any other debt to be accelerated.

     6.7 ENVIRONMENTAL. Cause or permit the presence, use, disposal, storage, or
release of any Hazardous Materials on or in any property owned by, leased by, or
managed or  operated  by Debtor or any  Subsidiary.  Debtor and each  Subsidiary
shall not do, nor allow  anyone else to do, any act that is in  violation of any
Environmental Law.

     6.8  DIVIDENDS.  Declare  any  dividends  on any shares of any class of its
capital  stock,  or  apply  any of  its  property  or  assets  to the  purchase,
redemption or other retirement of any shares of any class of capital stock or in
any way amend its capital structure.

     6.9  CHARACTER  OF  BUSINESS.  Change the general  character of business as
conducted at the date hereof,  or engage in any type of business not  reasonably
related to its business as presently and normally conducted.

                                  ARTICLE VII
                              DEFAULT AND REMEDIES

     7.1 EVENTS OF DEFAULT.  An Event of Default  (herein so called) shall exist
if any one or more of the following events shall occur:

                (a) The failure of Debtor to pay any amount of  principal  under
and/or  interest  on the New Note,  or any other  amounts due under the New Note
within fifteen (15) calendar days after such principal, interest or other amount
is due;

                (b) Debtors  breach of a covenant in this Agreement or any other
failure to perform its  obligations  under this  Agreement or any other Security
Documents; 
<PAGE>

                (c) Any representation or warranty made in this Agreement or any
other Security Documents shall be false or materially misleading,  as determined
in the reasonable discretion of Secured Party;

                (d)     The occurrence of an Event of Default of any other
Security Documents;

                (e) If Debtor or any other party obligated to pay any portion of
the Obligations:  (i) becomes  insolvent  (except for any insolvency,  as of the
date hereof,  of CES,  Cierra or 77), or makes a transfer in fraud of creditors,
or makes an assignment  for the benefit of  creditors,  or admits in writing its
inability to pay its debts as they become due; (ii)  generally is not paying its
debts as such debts become due and Secured Party, in good faith, determines that
such event or condition could l to a material  impairment of the Collateral,  or
any part thereof,  or of any other payment  security for any of the Obligations;
(iii) has a receiver, trustee or custodian appointed for, or take possession of,
all or  substantially  all of the assets of such party or any of the Collateral,
either in a proceeding  brought by such party or in a proceeding brought against
such party and such  appointment  is not  discharged  or such  possession is not
terminated within sixty (60) days after the effective date thereof or such party
consents  to or  acquiesces  in such  appointment  or  possession;  (iv) files a
petition for relief under the United States Bankruptcy Code or any other present
or future  federal or state  insolvency,  bankruptcy or similar laws (all of the
foregoing  hereinafter  collectively  called  Applicable  Bankruptcy  Law) or an
involuntary petition for relief is filed against such party under any Applicable
Bankruptcy Law and such involuntary  petition is not dismissed within sixty (60)
days  after the filing  thereof,  or an order for  relief  naming  such party is
entered under any Applicable Bankruptcy Law, or any composition,  rearrangement,
extension,  reorganization or other relief of debtors now or hereafter  existing
is requested or consented to by such party; (v) fails to have discharged  within
a period of sixty (60) days any attachment, sequestration or similar writ levied
upon any property of such party; or (vi) fails to pay within ninety(90) days any
final money judgment against such party; or

                (f) The issuer of any securities constituting Collateral files a
petition for relief under any Applicable Bankruptcy Law, an involuntary petition
for relief is filed against any such issuer under any Applicable  Bankruptcy Law
and such involuntary petition is not dismissed within thirty (30) days after the
filing  thereof,  or an order for relief naming any such issuer is entered under
any Applicable Bankruptcy Law.

        7.2     SECURED PARTYS REMEDIES.  Upon the occurrence of an Event of
Default:

                (a) Secured Party may declare the  Obligations  in whole or part
immediately due and may enforce payment and performance of the same and exercise
any rights under the Texas ucc,  rights and remedies of Secured Party under this
Agreement, or otherwise.

                (b)  Secured  Party may,  at Secured  Party's  option and at the
expense of Debtor,  either in Secured Party's own right or in the name of Debtor
and in the same manner and to the same extent that Debtor  might  reasonably  so
act  if  this  Agreement  had  not  been  made:  (i) do  all  things  requisite,
convenient,  or  necessary  to enforce the  performance  and  observance  of all
rights,  remedies and privileges of Debtor arising from the  Collateral,  or any
part thereof, including without limitation compromi waiving, excusing, or in any
manner  releasing or discharging  any obligation of any party to or arising from
the Collateral; 
<PAGE>

(ii) take possession of the books,  papers,  chattel paper,  documents of title,
and accounts of Debtor, wherever located, relating to the Collateral;  (iii) sue
or otherwise collect and receive money attributable to the Collateral;  and (iv)
exercise  any other  lawfully  available  powers or  remedies,  and do all other
things which Secured Party deems requisite, convenient or necessary or which the
Secured Party deems proper to protect the Security Interest.

                (b) Secured Party may foreclose this Agreement in the manner now
or  hereafter  provided  or  permitted  by law  and  may  upon  such  reasonable
notification  prior thereto as may be required by applicable  law (Debtor hereby
agreeing  that ten  days'  notice is  commercially  reasonable),  sell,  assign,
transfer,  or otherwise  dispose of the Collateral at public or private sale, in
whole  or in  part,  and  Secured  Party  may,  in its own  name  or as  Debtors
attorneyinfact  effectively  assign and  transfer  the  Collateral,  or any part
thereof,   absolutely,  and  execute  and  deliver  all  necessary  assignments,
conveyances,  bills of sale, and other  instruments with power to substitute one
or more persons or  corporations  with like power.  Any such  foreclosure  sale,
assignment,  transfer,  or other  disposition  shall, to the extent permitted by
law,  be a  perpetual  bar,  both at law and in equity,  against  Debtor and all
persons and corporations  lawfully  claiming by or through or under Debtor.  Any
such foreclosure sale may be adjourned from time to time. Upon any sale, Secured
Party may bid for and purchase the  Collateral,  or any part  thereof,  and upon
compliance with the terms of sale may hold,  retain,  possess and dispose of the
Collateral, in its absolute right without further accountability.  Secured Party
shall have the right to be  credited  on the  amount of its bid a  corresponding
amount of the Obligations as of the date of such sale.

                (c) If, in the opinion of Secured  Party,  there is any question
that a public sale or  distribution  of any Collateral will violate any state or
federal  securities  law,  Secured  Party  (i) may  offer  and  sell  securities
privately to purchasers who will agree to take them for investment  purposes and
not with a view to distribution  and who will agree to imposition of restrictive
legends on the  certificates  representing  the security,  or (ii) may sell such
securities in an intrastate  offering und Section 3(a)(11) of the Securities Act
of 1933,  and no sale so made in good faith by Secured  Party shall be deemed to
be not commercially reasonable because so made.

                (d) Not in limitation of any other  provision of this Agreement,
Secured  Party shall have all rights and  remedies of a secured  party under the
Texas UCC.

        7.3 APPLICATION OF PROCEEDS. Secured Party may apply the proceeds of any
foreclosure  sale  hereunder  or from any  other  permitted  disposition  of the
Collateral  or any part  thereof as  follows:  (a)first,  to the  payment of all
reasonable  costs and expenses of any foreclosure  and collection  hereunder and
all proceedings in connection  therewith,  including reasonable attorneys' fees;
(b)then,  to the  reimbursement of Secured Party for all  disbursements  made by
Secured Party for taxes,  assessments or liens superior to the Security Interest
and  which  Secured  Party  shall  deem  expedient  to  pay;  (c)then,   to  the
reimbursement of Secured Party of any other  disbursements made by Secured Party
in accordance with the terms hereof;  (d) then, to or among the amounts of fees,
interest and principal then owing and unpaid in respect of the  Obligations,  in
such  priority as Secured  Party may  determine  in its  discretion;  and (e)the
remainder of such proceeds,  if any,  shall be paid to Debtor.  If such proceeds
shall be insufficient to discharge the entire  Obligations,  Secured Party shall
have any other  available  legal  recourse  against Debtor and all other persons
obligated  under,  or  for  the  performance  of,  the  Security  Documents  and
Refinancing  Agreement,  or on the New Note, for the  deficiency,  together with
interest thereon at fifteen percent (15%) per annum. 
<PAGE>

        7.4  ENFORCEMENT  OF  OBLIGATIONS.  Nothing in this  Agreement or in any
other agreement shall affect or impair the  unconditional  and absolute right of
the Secured Party to enforce the  Obligations  as and when the same shall become
due in accordance with the terms of the New Note.

        7.5 VOTING RIGHTS.  Upon the  occurrence of an Event of Default,  Debtor
will not  exercise  any voting  rights  with  respect to  securities  pledged as
Collateral.   Debtor  hereby  irrevocably  appoints  Secured  Party  as  Debtors
attorneyinfact (such power of attorney being coupled with an interest) and proxy
to exercise  any voting  rights with  respect to Debtors  securities  pledged as
Collateral upon the occurrence of an Event of Default.

                                  ARTICLE VIII
                            RIGHTS OF SECURED PARTY

        8.1  SUBROGATION.  Upon the  occurrence of an Event of Default,  Secured
Party,  at its  election,  may  subrogate  to all of the  interest,  rights  and
remedies  of the  Debtor,  in respect  to any of the  Collateral  or  agreements
pertaining thereto.

        8.2 SECURED  PARTY  APPOINTED  ATTORNEYINFACT.  Debtor  hereby  appoints
Secured Party as attorneyinfact of Debtor,  with full authority in the place and
stead of Debtor and in the name of Debtor, Secured Party or otherwise, from time
to time on Secured  Party's  discretion  and upon the  occurrence of an Event of
Default,  to take any action and to execute any  instrument  which Secured Party
may deem  necessary or advisable to accomplish  the purposes of this  Agreement,
including without  limitation:  (a) to ask, demand,  collect,  sue for, recover,
compound, receive and give acquittance and receipts for moneys due and to become
due under or in respect of any of the Collateral;  (b) to receive,  endorse, and
collect  any  drafts or other  instruments,  documents  and  chattel  paper,  in
connection  with clause (a) of this  Section 8.2; (c) to file any claims or take
any action or institute any proceeding which Secured Party may deem necessary or
desirable for the  collection  of any of the  Collateral or otherwise to enforce
the rights of Secured Party against any of the Collateral; and (d) to assign and
transfer the  Collateral,  or any part  thereof,  absolutely  and to execute and
deliver  endorsements,   assignments,  conveyances,  bills  of  sale  and  other
instruments  with power to substitute  one or more persons or  corporation  with
like power.

        8.3  PERFORMANCE  BY  SECURED  PARTY.  If Debtor  fails to  perform  any
agreement  contained  herein,  Secured  Party may itself  perform,  or cause the
performance  of, such  agreement,  and the reasonable  expenses of Secured Party
incurred in connection  therewith  shall be payable by Debtor under Section 8.8.
In no  event,  however,  shall  Secured  Party  have any  obligation  or  duties
whatsoever to perform any covenant or agreement of Debtor contained herein,  and
any such performance by Secured Party shall be wholly discretionary with Secured
Party. 
<PAGE>

        8.4 DUTIES OF SECURED  PARTY.  The powers  conferred  upon Secured Party
hereunder  are solely to protect its  interest in the  Collateral  and shall not
impose any duty upon it to exercise any such powers. Except for the safe custody
of any  Collateral  in its  possession  and the  accounting  for money  actually
received by it hereunder,  Secured Party shall have no duty as to any Collateral
or as to the taking of any  necessary  steps to preserve  rights  against  prior
parties or any other rights  pertaining to any Collateral.  Without limiting the
generality of the foregoing,  Secured Party shall not have any obligation,  duty
or  responsibility  to do any of the  following:  (a) ascertain any  maturities,
calls,  conversions,  exchanges,  offers, tenders or similar matters relating to
the  Collateral or informing  Debtor with respect to any such matters;  (b) fix,
preserve  or  exercise  any  right,  privilege  or option  (whether  conversion,
redemption or otherwise) with respect to the Collateral  unless (i) Debtor makes
written  demand to Secured Party to do so, (ii) such written  demand is received
by Secured Party in sufficient  time to permit  Secured Party to take the action
demanded in the  ordinary  course of its  business,  and (iii)  Debtor  provides
additional collateral,  acceptable to Secured Party in its sole discretion;  (c)
collect any amounts  payable in respect of the  Collateral  (Secured Party being
liable to account to Debtor only for what Secured Party may actually  receive or
collect thereon);  (d) sell all or any portion of the Collateral to avoid market
loss; (e) sell all or any portion of the Collateral  unless and until (i) Debtor
makes written demand upon Secured Party to sell the Collateral,  and (ii) Debtor
provides  additional  collateral,  acceptable  to  Secured  Party  in  its  sole
discretion;  or (f) hold the Collateral for or on behalf of any party other than
Debtor.

        8.5 NO  LIABILITY  OF SECURED  PARTY.  Neither  the  acceptance  of this
Agreement by Secured Party,  nor the exercise of any rights hereunder by Secured
Party,  shall be construed in any way as an  assumption  by Secured Party of any
obligations,  responsibilities,  or duties of Debtor arising in connection  with
the  Collateral  assigned  hereunder  or  otherwise  bind  Secured  Party to the
performance of any  obligations  respecting the  Collateral,  it being expressly
understood  that Secured  Party shall not be obligated to perform,  observe,  or
discharge  any  obligation,  responsibility,  duty,  or  liability  of Debtor in
respect of any of the Collateral,  including without limitation  appearing in or
defending any action, expending any money or incurring any expense in connection
therewith.

        8.6 RIGHT OF SECURED PARTY TO DEFEND ACTION AFFECTING SECURITY.  Secured
Party  may,  at the  expense  of  Debtor,  appear in and  defend  any  action or
proceeding at law or in equity  purporting to affect  Secured  Party's  Security
Interest under this Agreement.

        8.7 RIGHT OF SECURED PARTY TO PREVENT OR REMEDY DEFAULT. If Debtor shall
fail to perform any of the covenants,  conditions and agreements  required to be
performed  and observed by Debtor under the New Note,  or any other  instruments
secured  hereby,  or in respect of the  Collateral  (subject  to any  applicable
default cure  period),  Secured Party (a) may but shall not be obligated to take
any action  Secured Party deems  necessary or desirable to prevent or remedy any
such default by Debtor or otherwise  to protect the Security  Interest,  and (b)
shall have the absolute and immediate right to take possession of the Collateral
or any part  thereof  (to the  extent  Secured  Party has not  previously  taken
possession)  to such  extent  and as often  as the  Secured  Party,  in its sole
discretion, deems necessary or desirable in order to prevent or to cure any such
default by Debtor,  or  otherwise  to protect the  security  of this  Agreement.
Secured Party may advance or expend such sums of money for the account of Debtor
as Secured Party in its sole discretion deems necessary for any such purpose.
<PAGE>

        8.8 SECURED PARTY'S EXPENSES. All reasonable advances,  costs, expenses,
charges and attorneys' fees which Secured Party may make, pay or incur under any
provision  of this  Agreement  for the  protection  of its  security  or for the
enforcement  of any of  its  rights  hereunder,  or in  foreclosure  proceedings
commenced and subsequently  abandoned,  or in any dispute or litigation in which
Secured  Party or the holder of any of the  Obligations  may become  involved by
reason of or arising out of the New Note, or the  Collateral  shall be a part of
the Obligations and shall be paid by Debtor to Secured Party,  upon demand,  and
shall bear interest until paid at the rate otherwise chargeable on the New Note,
but not to exceed the maximum rate of interest permitted by applicable law, from
the date of such payment until repaid by Debtor.

        8.9.  CONVERTIBLE  COLLATERAL.  Secured Party may present for conversion
any  Collateral  which is  convertible  into any other  instrument or investment
security or a  combination  thereof with cash,  but Secured Party shall not have
any duty to present for conversion any Collateral  unless it shall have received
from Debtor  detailed  written  instructions to that effect at a time reasonably
far in advance of the final conversion date to make such conversion possible.

        8.10 SECURED  PARTY'S  RIGHT OF SETOFF.  Upon the happening of any event
entitling  Secured  Party to pursue any remedy  provided  herein,  or if Secured
Party shall be served with garnishment process in which Debtor shall be named as
defendant,  whether or not Debtor  shall be in  default  hereunder  at the time,
Secured Party may, but shall not be required to, setoff any  indebtedness  owing
by  Secured  Party  to  Debtor  against  any of the  Obligations  without  first
resorting to the security hereunder and without prejudice to any other rights or
remedies of Secured Party or its Security Interest.

        8.11  REMEDIES.  No right or remedy herein  reserved to Secured Party is
intended to be exclusive  of any other right or remedy,  but each and every such
remedy shall be cumulative,  not in lieu of, but in addition to any other rights
or remedies given under this Agreement and all other security documents. Any and
all of Secured  Party's  rights and remedies may be exercised  from time to time
and as often as such exercise as deemed necessary or desirable by Secured Party.

        8.12 DEBTOR'S  WAIVERS.  Debtor waives notice of the creation,  advance,
increase,  existence,  extension,  or  renewal  of, and of any  indulgence  with
respect to, the  Obligations;  waives notice of intent to accelerate,  notice of
acceleration,  notice  of  intent  to  demand,  presentment,  demand,  notice of
dishonor,  and  protest;   waives  notice  of  the  amount  of  the  Obligations
outstanding  at any time,  notice of any change in  financial  condition  of any
person liable for the  Obligations  or any part thereof,  notice of any Event of
Default,  and all other  notices  respecting  the  Obligations;  and agrees that
maturity of the Obligations  and any part thereof may be accelerated,  extended,
or renewed one or more times by Secured Party in its discretion,  without notice
to Debtor.

        8.13 OTHER PARTIES AND OTHER  COLLATERAL.  No renewal or extension of or
any other  indulgence  with respect to the  Obligations or any part thereof,  no
release  of any  security,  no  release  of any  person  (including  any  maker,
endorser, guarantor, or surety) liable on the Obligations, no delay in 
<PAGE>

enforcement  of payment,  and no delay or admission or lack of diligence or care
in exercising any right or power with respect to the Obligations or any security
therefor  or  guaranty  thereof or under this  Agreement  shall in other  manner
impair  or affect  the  rights  of  Secured  Party  under  the law,  under  this
Agreement, or under any other agreement pertaining to the other security for the
Obligations,  before  foreclosing  upon the Collateral for the purpose of paying
the  Obligations.  Debtor  waives  any right to the  benefit of or to require or
control application of any other security or proceeds thereof, and Debtor agrees
that Secured  Party shall have no duty or  obligation  to Debtor to apply to the
Obligations any such other security or proceeds thereof.

                                   ARTICLE IX
                                 MISCELLANEOUS

        9.1 TERMS COMMERCIALLY REASONABLE.  The terms of this Agreement shall be
deemed commercially reasonable within the meaning of the Texas ucc.

        9.2  NOTICES.  Any notices or demands  required or permitted to be given
hereunder  shall be  deemed  sufficiently  given if in  writing  and  personally
delivered or mailed (with all postage and charges prepaid), addressed to Secured
Party or to Debtor their respective  addresses set forth below, or at such other
address as the above parties may from time to time  designate by written  notice
to the other given in  accordance  with this Section  9.2.  Any such notice,  if
personally  delivered or  transmitted  by telex or telegram,  shall be deemed to
have been given on the date so delivered or transmitted or, if mailed, be deemed
to have been given on the day after such  notice is placed in the United  States
mail in accordance with this Section 9.2.

                Secured Party:           1301 Capital of Texas Hwy., Suite C-300
                                         Austin, Travis County, Texas 78746
                                         Attn: Mr. Duane K. Boyd, Jr.

                with copy to:          Timothy L. LaFrey, Esq.
                                       Akin, Gump, Strauss, Hauer & Feld, L.L.P.
                                       1900 Frost Bank Plaza
                                       816 Congress Avenue
                                       Austin, Texas 78701

                Debtor:                6807 West 12th Street
                                       Little Rock, Arkansas 72204

        9.3 PARTIES BOUND.  Secured  Party's rights under this Agreement and the
Security Interest shall inure to the benefits of its successors and assigns, and
in the event of any  assignment  or  transfer of any of the  Obligations  or the
Collateral,  Secured  Party  thereafter  shall  be  fully  discharged  from  any
responsibility  with respect to the Collateral so assigned or  transferred,  but
Secured  Party shall  retain all rights and powers  hereby given with respect to
any of the  Obligations  or  Collateral  not so  assigned  or  transferred.  All
representations, warranties, and agreements of Debtor if more than one are joint
and several, and all shall be binding upon the personal representatives,  heirs,
successors, and assigns of Debtor. 
<PAGE>

        9.4 WAIVER.  No delay of Secured Party in exercising  any power or right
shall operate as a waiver thereof;  nor shall any single or partial  exercise of
any power or right preclude other or further exercise thereof or the exercise of
any other power or right.  No waiver by Secured Party of any right  hereunder of
any default by Debtor shall be binding upon Secured Party unless in writing, and
no failure by Secured  Party to exercise any power or right  hereunder or waiver
of any  default  by Debtor  shall  operate  as a waiver of any other or  further
exercise of such right or power of any further default.

        9.5     AGREEMENT CONTINUING.  This Agreement shall constitute a
continuing agreement, applying to all future as well as existing transactions,
whether or not of the character contemplated at the date of this Agreement, and
if all transactions between Secured Party and Debtor shall be closed at any
time, shall be equally applicable to any new transactions thereafter. Provisions
 of this  Agreement,  unless by their terms  exclusive,  shall be in addition to
other agreements between the parties.

        9.6 DEFINITIONS. Unless the context indicated otherwise,  definitions in
the Texas  Business and Commerce  Code (Texas ucc) apply to words and phrases in
this Agreement; if Texas ucc definitions conflict, Chapter 9 definitions apply.

        9.7 MISCELLANEOUS.  In this Agreement, whenever the context so requires,
the neuter gender  includes the masculine and feminine,  and the singular number
includes  the plural and vice  versa.  The  headings  of  paragraphs  herein are
inserted only for convenience and shall in no way define,  describe or limit the
scope of intent of any  provisions  of this  Agreement.  No  change,  amendment,
modification,  cancellation,  or  discharge of any  provision of this  Agreement
shall be valid unless consented to in writing by Secured Party.

        9.8 ASSIGNMENT OF SECURED PARTY'S INTEREST. Secured Party shall have the
right to assign  all or any  portion  of its  rights in this  Agreement  without
approval or consent.  Debtor may not assign this  Agreement or any of its rights
or obligations  hereunder  without the express prior written  consent of Secured
Party in each instance.

        9.9     APPLICABLE LAWS.  This Agreement Shall Be Governed By And
Construed In Accordance With The Laws Of The State Of Texas And The Applicable
Laws Of The United States Of America.



<PAGE>


        9.10 ENTIRE AGREEMENT.  This Agreement,  the Security  documents and the
New Note  Represent  The Final  Agreement  Between  The  Parties  And May Not Be
Contradicted  By  Evidence  Of  Prior,   Contemporaneous,   Or  Subsequent  Oral
Agreements Of The Parties.  There Are No Unwritten Oral  Agreements  Between The
Parties.

        Executed this 6th day of November, 1997.

Debtor:                                         Consolidated Eco-Systems, Inc.



                                           By: /s/ James J. Connors, Jr.

                                           Name: James J. Connors, Jr.

                                           Title: President/CEO


Secured Party:                           American Physicians Service Group, Inc.



                                           By: /s/ Duane Boyd

                                           Name: Duane Boyd

                                           Title: Senior VP




<PAGE>


                                   SCHEDULE I

                      TO ASSIGNMENT AND SECURITY AGREEMENT


        Environmental  Laws  means all Laws that  relate  to  health,  safety or
environmental   protection,   including  without  limitation  the  (i)  Resource
Conservation  and Recovery Act of 1976, as amended by the Used Oil Recycling Act
of 1980,  the Solid Waste Disposal Act Amendments of 1980, and the Hazardous and
Solid Waste Amendments of 1984; (ii) the Comprehensive  Environmental  Response,
Compensation  and Liability Act of 1980, as amended by the Superfund  Amendments
and  Reauthorization  Act of 1986; (iii) the Toxic Substances  Control Act; (iv)
the Americans with  Disabilities Act of 1990, and (iv) the Clean Air Act; all as
amended from time to time and including all regulations  promulgated pursuant to
any one or more of them.

        erisa means the Employment  Retirement  Income  Security Act of 1974, as
amended, together with all rules and regulations issued pursuant thereto and all
rulings or interpretations adopted by any Governmental Entity thereunder.

        Governmental  Entity means any government (or any political  subdivision
or jurisdiction thereof), court, bureau, agency, or other governmental authority
having  jurisdiction  over  Debtor,  any  Subsidiary,  or any  of  its or  their
respective businesses, operations, assets, or properties.

        Hazardous  Material means those substances defined as toxic or hazardous
substances by or under any Environmental Laws.

        Laws shall  mean all  applicable  laws,  ordinances,  statutes,  orders,
regulations, judgments, writs, or decrees of any Governmental Entity.



<PAGE>


                                  Schedule II



     1.  Certificate  No. 1, dated  January 24,  1997,  for 1,000  shares of Eco
Acquisition,  Inc.  $0.001  par  value  common  stock,  issued  to  Consolidated
Eco-Systems, Inc.

     2.  Certificate  No. 1, dated  January 24, 1997,  for 1,000 shares of Larco
Environmental Services,  Inc. common stock, issued to Consolidated  Eco-Systems,
Inc.


<PAGE>


                                                                 Exh. 10-34
                               SECURITY AGREEMENT


This  Security  Agreement  (this  Agreement)  is  entered  into  this 6th day of
November,1997,  by and between Larco Environmental  Services,  Inc., a Louisiana
corporation (the Debtor),  whose address is 2208 Industrial Boulevard,  Sulphur,
Louisiana  70663,  and  American   Physicians   Service  Group,  Inc.,  a  Texas
corporation (the Secured Party), whose address is 1301 Capital of Texas Highway,
 Suite C-300, Austin, Texas 78746.

                                   RECITALS:

A.  Consolidated  Eco-Systems,  Inc.,  an Idaho  corporation  formerly  known as
Exsorbet  Industries,  Inc.  (Consolidated)  executed and delivered that certain
Promissory  Note dated  November  26, 1996 (the  Original  Note) in the original
principal amount of Three Million Three Hundred  Thousand  Dollars  ($3,300,000)
payable to the order of Secured Party.

B. The Original Note was secured pursuant to the following  agreements,  all for
the benefit of Secured Party: (i) that certain Security Agreement dated December
12, 1996,  entered into by7-7,  Inc., an Arkansas  corporation  (7-7),  formerly
known as 7-7 Merger,  Inc.; (ii) that certain Security Agreement dated September
30,  1996,  entered  into by 77;  (iii) that  certain  Assignment  and  Security
Agreement dated September 30, 1996, entered into by Consolidated; and (iv) those
certain Guaranty  Agreements  dated September 30, 1996,  entered into by each of
the following entities:

        a.      Consolidated Environmental Services, Inc., an Arkansas
                    corporation (CES);

        b.      Cierra, Inc., an Arkansas corporation (Cierra);

        c.      Debtor;

        d.      KR Industrial Services of Alabama, Inc., an Alabama corporation
                    (KR Industrial);

        e.      Exsorbet Technical Services, Inc., an Arkansas corporation
                    (Exsorbet Technical) doing business as SpilTech Services,
                    Inc.;

        f.      Eco Acquisition, Inc., an Arkansas corporation (Acquisition),
                    also known as Eco-Systems, Inc.; and

        g.      7-7

(all of the  agreements  described  in (i) through  (iv) above are  collectively
referred to herein as the Original Security Documents).
<PAGE>

C.  Consolidated  has executed and  delivered a new note of even date  herewith,
payable to the order of  Secured  Party,  in the  original  principal  amount of
$3,788,580 (the New Note), in renewal and extension of the Original Note,  which
New Note is also secured pursuant to (i) the Original  Security  Documents,  and
(ii) that  certain  Assignment  and  Security  Agreement  of even date  herewith
entered into for the benefit of Secured Party by Consolidated  (the Consolidated
Security Agreement).

D. Debtor has received, and will continue to receive,  valuable consideration as
a result of the transactions evidenced by, or related to, the Original Note, the
New Note,  and the Security  Documents (as  hereinafter  defined).  Accordingly,
Secured Party has requested that Debtor pledge the Collateral (as defined below)
to secure certain obligations and liabilities,  including without limitation (i)
Consolidateds  obligations  to Secured  Party under the New Note,  (ii) Debtors,
Consolidateds  and all of  Consolidateds  subsidiaries,  obligations  under, and
performance  of the  covenants  set forth in, the Original  Security  Documents,
(iii)  Consolidateds  obligations  under,  and  performance of the covenants set
forth in, the Consolidated Security Agreement,  (iv) Consolidateds,  Debtors and
all of  Consolidateds  subsidiaries,  obligations  under, and performance of the
covenants set forth in, that certain Master  Refinancing  Agreement of even date
herewith  entered into for the benefit of Secured Party by Debtor,  Consolidated
and all of  Consolidateds  subsidiaries  (the  Refinancing  Agreement),  and (v)
Debtors  performance of the covenants more fully set forth herein.  The Original
Security  Documents,   the  Refinancing  Agreement,  the  Consolidated  Security
Agreement,  and this  Agreement  are  collectively  referred  to  herein  as the
Security Documents.


                                  AGREEMENTS:

Now,  Therefore,  in  consideration  of the  foregoing  and  the  covenants  and
agreements hereinafter set forth, and other good and valuable consideration, the
receipt and sufficiency of which Debtor  acknowledges,  Debtor and Secured Party
agree as follows:


                                   ARTICLE I
                            AGREEMENT; INDEBTEDNESS

1.1 SECURITY  INTEREST.  Subject to the applicable terms of this Agreement,  for
good and valuable  consideration,  the receipt and  sufficiency  of which Debtor
acknowledges,  Debtor  assigns and  transfers  to Secured  Party,  and grants to
Secured Party a continuing  security  interest in and lien upon,  the Collateral
(as defined in Article II below) to secure the payment  and the  performance  of
the Indebtedness (the Security Interest).

1.2 INDEBTEDNESS.  The following indebtedness and obligations (the Indebtedness)
are secured by this Agreement:
<PAGE>

(a)  All  debt,  obligations,  liabilities,  and  agreements  of  Debtor  and/or
Consolidated  to Secured  Party,  now or hereafter  existing,  arising  directly
between  Debtor and Secured  Party  and/or  Consolidated  and  Secured  Party or
acquired  outright,  conditionally,  or as  collateral  security from another by
Secured Party, absolute or contingent,  joint or several,  secured or unsecured,
due or not due, contractual or tortious, liquidated or unliquidated,  arising by
operation of law or otherwise,  including,  without limitation,  all obligations
and amounts due under the New Note,  the Security  Documents,  and all renewals,
extensions, modifications, or rearrangements of any of the foregoing.

(b) Secured Partys participation in any debt of Debtor to another person.

(c) All costs  incurred  by Secured  Party to  obtain,  preserve,  perfect,  and
enforce this Agreement and the Security  Interest,  to collect the Indebtedness,
and to maintain,  preserve,  collect, and enforce the Collateral,  including but
not  limited to taxes,  assessments,  insurance  premiums,  repairs,  reasonable
attorneys fees and legal expenses,  feed,  rent,  storage costs, and expenses of
sale.

(d) Interest on the above amounts as agreed between Secured Party and Debtor, or
if there is no agreement, at the highest lawful rate.


                                   ARTICLE II
                                   COLLATERAL

2.1 DESCRIPTION OF COLLATERAL. The Security Interest is granted in the following
(the Collateral):

(a) All of Debtors assets,  including without  limitation all accounts,  chattel
paper, contract rights, equipment, inventory, fixtures, general intangibles, and
investment property, as more particularly described in Exhibit-A attached to and
incorporated herein by reference.

(b) All  substitutes and  replacements  for,  accessions,  attachments and other
additions to, tools,  parts and equipment used in connection  with, and proceeds
and  products  of, the above  Collateral  (including  all  income  and  benefits
resulting  from any of the  above),  all  certificates  of title,  manufacturers
statements of origin, other documents,  accounts, and chattel paper arising from
or related to the above Collateral,  and returned or repossessed Collateral, any
of which,  if  received by Debtor,  shall be  delivered  immediately  to Secured
Party.

(c) All policies of  insurance  covering the  Collateral  and proceeds  thereof.
<PAGE>

(d) All security for the payment of any of the  Collateral,  and all goods which
gave or will give rise to any of the Collateral or are evidenced, identified, or
represented therein or thereby.

(e) All property similar to the above hereafter acquired by Debtor.

(f) All proceeds of the items  described in subsections  (a) through (e) of this
Section 2.1.


                                  ARTICLE III
                               DEBTORS WARRANTIES

Debtor represents and warrants to Secured Party as follows:

3.1 FINANCING STATEMENTS.  No statement covering the Collateral is or will be on
file in any public  office,  except the  financing  statements  relating to this
Security  Interest  and  those  relating  to the  Prior  Liens  (as  hereinafter
defined). In the past five (5) years, Debtor has not used or done business under
any name  other than its legal name which is set forth on the first page of this
Agreement.

3.2  OWNERSHIP.  Debtor  owns,  or will use the proceeds of any loans by Secured
Party to become  the owner  of,  the  Collateral  free from any  setoff,  claim,
restriction,  lien, security interest, or encumbrance except liens for taxes not
yet due, the Security Interest, and the Prior Liens.

3.3 FIXTURES AND ACCESSIONS. Except for Collateral of nominal value, none of the
Collateral  is affixed to real estate or is an accession  to any goods,  or will
become a fixture or accession, except as expressly set out herein.

3.4 CLAIMS OF DEBTORS ON COLLATERAL. No account debtors and other obligors whose
debts or  obligations  are part of the  Collateral  have any  right to  setoffs,
counterclaims, or adjustments, or any defenses in connection therewith.

        3.5 LIENS.  Neither  Debtor nor any person acting on Debtors behalf has,
or shall have any right, power, or authority to and shall not create,  incur, or
permit to be  placed or  imposed  upon the  Collateral,  any lien of any type or
nature  whatsoever  superior  to the liens in favor of  Secured  Party  provided
herein,  except only the liens in favor of Dimmitt & Owens Financial,  Inc. (the
Prior  Liens).  As to the Prior Liens,  neither  Debtor nor any person acting on
Debtors  behalf  shall  have any right,  power,  or  authority  to and shall not
increase  the  amount  of  indebtedness  secured  by  the  Prior  Liens  or  the
Collateral.  No item of  Collateral  is subject to more than one(1) of the Prior
Liens. 
<PAGE>

3.6 ACCURACY OF FINANCIAL STATEMENTS.  All balance sheets,  earnings statements,
and other  financial  data  which have been or  hereafter  may be  furnished  to
Secured Party to induce it to permit the  Indebtedness or to make this Agreement
or in  conjunction  herewith  truly  represent  or  shall  truly  represent  the
financial condition and operations of Debtor as of the dates and for the periods
shown thereon; and all other information, reports, papers, and data furnished to
Secured  Party are or shall be, at the time  furnished,  accurate and correct in
all respects and complete  insofar as necessary to give Secured Party a true and
accurate knowledge of the subject matter.

3.7 POWER AND  AUTHORITY.  Debtor  has full  power  and  authority  to make this
Agreement.

3.8 PRINCIPAL PLACE OF BUSINESS.  Debtors chief  executive  office is at Debtors
address stated above in Sulphur,  Calcasieu Parish,  Louisiana, and such address
is also where Debtor keeps its books and records.

3.9 LOCATION OF COLLATERAL. All of Debtors Inventory and Equipment is located at
Debtors  principal  place of  business  located  at 2208  Industrial  Boulevard,
Sulphur, Louisiana. Debtor has exclusive possession and control of its Inventory
and Equipment.

3.10 PERFECTION. Upon the filing of the UCC financing statements with the Office
of the Louisiana  Secretary of State and the Office of the Arkansas Secretary of
State, the Security Interest will constitute a valid and perfected lien upon and
security  interest  in the  Collateral  superior to all other  liens,  claims or
encumbrances except only the Prior Liens.

3.11 SOLVENCY.  As of the date hereof, and after giving effect to this Agreement
and the completion of all other transactions  contemplated by Debtor at the time
of the execution of this Agreement,  (i) Debtor is and will be solvent, (ii) the
fair  saleable  value of Debtor's  assets  exceeds  and will  continue to exceed
Debtor's  liabilities  (both fixed and  contingent),  (iii) Debtor is paying and
will   continue  to  be  able  to  pay  its  debts  as  they  mature  or  within
forty-five(45) days thereafter, and (iv) if Debtor is not an individual,  Debtor
has and will have  sufficient  capital to carry on Debtor's  businesses  and all
businesses in which Debtor is about to engage. 
<PAGE>

                                   ARTICLE IV
                               DEBTORS COVENANTS

Debtor covenants and agrees that:

4.1 INDEBTEDNESS AND THIS AGREEMENT.  Debtor shall pay, or cause the payment of,
the  Indebtedness in accordance with its terms and shall promptly perform all of
his (or its) agreements  herein and in any other agreements  between him (or it)
and Secured Party.

4.2  OWNERSHIP  OF  COLLATERAL.  At the time  Debtor  grants to Secured  Party a
security interest in any Collateral,  Debtor shall be the absolute owner thereof
(subject  only to the  Prior  Liens)  and  shall  have the  right to grant  such
security  interest.  Debtor shall defend the  Collateral  against all claims and
demands of all persons at any time  claiming  any  interest  therein  adverse to
Secured Party. Debtor shall keep the Collateral free from all liens and security
interests  except those for taxes not yet due, the  Security  Interest,  and the
Prior Liens.

4.3 INSURANCE.  Debtor shall insure the Collateral with companies  acceptable to
Secured Party against such casualties and in such amounts as Secured Party shall
require.  All insurance  policies shall be written for the benefit of Debtor and
Secured Party as their  interests may appear,  or in other form  satisfactory to
Secured Party,  and such policies or  certificates  evidencing the same shall be
furnished to Secured Party.  All policies of insurance shall provide for written
notice to Secured Party  simultaneously with any notice of cancellation or other
termination  being  given to Debtor,  and in any event at least 10 days prior to
cancellation  or other  termination.  Risk of loss or damage is  Debtors  to the
extent of any deficiency in any effective insurance  coverage.  Secured Party is
appointed Debtors attorney-in-fact to collect any return or unearned premiums or
the  proceeds of such  insurance  and to endorse  any draft or check  payable to
Debtor therefor.

4.4  MAINTENANCE.  Debtor  shall  keep  and  maintain  the  Collateral  in  good
condition, reasonable wear and tear excepted.

4.5  SECURED  PARTYS  COSTS.  Debtor  shall pay all costs  necessary  to obtain,
preserve,  perfect,  defend,  and enforce this  Security  Interest,  collect the
Indebtedness,  and  preserve,  defend,  enforce,  and  collect  the  Collateral,
including but not limited to taxes,  assessments,  insurance premiums,  repairs,
reasonable  attorneys fees and legal expenses,  feed,  rent,  storage costs, and
expenses of sales. Whether Collateral is or is not in Secured Partys possession,
and without any  obligation  to do so and without  waiving  Debtors  default for
failure to make any such  payment,  Secured Party at its option may pay any such
costs  and  expenses,  discharge  encumbrances  on the  Collateral,  and pay for
insurance of Collateral,  and such payment shall be a part of the  Indebtedness.
Debtor agrees to reimburse Secured Party on demand for any costs so incurred.
<PAGE>

4.6  INFORMATION  AND  INSPECTION.  Debtor shall (i) furnish  Secured  Party any
financial  statements  of Debtor or reports to Debtor by  accountants  or others
pertaining to Debtors  business as soon as available,  and any information  with
respect to the Collateral  requested by Secured Party;  (ii) allow Secured Party
to inspect the Collateral,  at any time and wherever located, and to inspect and
copy,  or furnish  Secured  Party with  copies of, all  records  relating to the
Collateral and the Indebtedness; (iii) furnish Secured Party such information as
Secured  Party  may  request  to  identify  inventory,   accounts,  and  general
intangibles  in  Collateral,  at the time and in the form  requested  by Secured
Party;  and (iv)  deliver upon  request to Secured  Party  shipping and delivery
receipts  evidencing  the shipment of goods and invoices  evidencing the receipt
of, and the payment for, inventory in Collateral.

4.7  ADDITIONAL  DOCUMENTS.  Debtor  shall sign any papers  furnished by Secured
Party which are necessary in the judgment of Secured Party to obtain,  maintain,
and perfect the Security Interest and to enable Secured Party to comply with the
Federal  Assignment  of Claims Act or any other federal or state law in order to
obtain or perfect Secured Partys interest in collateral or to obtain proceeds of
collateral.

4.8 PARTIES  LIABLE ON  COLLATERAL.  Debtor will  preserve the  liability of all
obligors on any  Collateral  and will  preserve  the  priority  of all  security
therefor.  Secured  Party  shall  have no duty to  preserve  such  liability  or
security,  but may do so at the  expense  of  Debtor,  without  waiving  Debtors
default.

4.9  MODIFICATION  OF COLLATERAL.  Without the written consent of Secured Party,
which consent shall not be unreasonably withheld,  Debtor shall not agree to any
modification  of any of the terms of any  accounts,  contracts,  chattel  paper,
general intangibles, or instruments constituting part of the Collateral.

         4.10 RIGHT OF SECURED  PARTY TO NOTIFY  DEBTORS.  At any time,  whether
Debtor is or is not in default  under this  Agreement,  Secured Party may notify
persons  obligated on any Collateral to make payments  directly to Secured Party
and Secured  Party may take  control of all  proceeds of any  Collateral.  Until
Secured Party elects to exercise such rights, Debtor, as agent of Secured Party,
shall collect and enforce all payments owed on Collateral.

         4.11  DELIVERY OF  RECEIPTS  OF SECURED  PARTY;  REJECTED  GOODS.  Upon
Secured  Party's  demand,  Debtor  shall  deposit,  upon receipt and in the form
received,  with any necessary endorsement,  all payments received as proceeds of
Collateral,  in a special bank account in a bank of Secured  Party's choice over
which  Secured  Party  alone shall have power of  withdrawal.  The funds in said
account shall secure the  Indebtedness.  Secured Party is authorized to make any
endorsement in Debtor's name and behalf. Pending such deposit,  Debtor shall not
mingle any such payments with any of Debtor's other funds or property,  but will
hold them  separate and upon an express trust for Secured  Party.  Secured Party
may from time to time  apply  the whole or any part of the funds in the  special
account  against the  Indebtedness.  Unless  Secured  Party  notifies  Debtor in
writing that it dispenses  with any one or more of the  following  requirements,
Debtor shall:
<PAGE>

                  (a) inform  Secured  Party  immediately  of the  rejection  of
         goods,  delay in delivery or  performance,  or claim made, in regard to
         any Collateral;

                  (b)  keep  returned  goods   segregated  from  Debtor's  other
         property,  and hold the goods as trustee for Secured Party until it has
         paid Secured  Party the amount  loaned  against the related  account or
         chattel paper and deliver the goods on demand to Secured Party; and

                  (c) pay  Secured  Party the  unpaid  amount of any  account in
         Collateral  (i) if the account is not paid when due;  (ii) if purchaser
         rejects  the goods or  services  covered  by the  account;  or (iii) if
         Secured  Party shall at any time reject the account as  unsatisfactory.
         Secured Party may retain the account in  Collateral.  Secured Party may
         charge any deposit amount of Debtor with any such amounts.

         4.12 RECORDS OF COLLATERAL.  Debtor at all times will maintain accurate
books and records  covering the  Collateral.  Debtor  immediately  will mark all
books and records with an entry showing the absolute  assignment of all accounts
in  Collateral  to Secured  Party and Secured Party is hereby given the right to
audit the books and  records of Debtor  relating to  Collateral  at any time and
from time to time.  The amounts shown as owed to Debtor on Debtor's books and on
any assignment schedule will be the undisputed amounts owing and unpaid.  Debtor
shall  disclose  to  Secured  Party  all   agreements   modifying  any  account,
instrument, or chattel pater.

         4.13  DISPOSITION  OF  COLLATERAL.  Debtor  will  not  sell,  transfer,
mortgage,  or otherwise  encumber any  Collateral or impair the value thereof in
any manner without Secured Party's prior written consent,  which Debtor is under
no obligation  whatsoever  to give,  including  without  limitation by purchase,
lease, barter, trade, payment deferral, or the creation, assumption or guarantee
of indebtedness  or other lending of credit;  provided,  however,  the foregoing
shall not be applicable to Debtor with respect to (i)  inventory  sold,  leased,
manufactured,  processed,  or consumed in the ordinary  course of business,  and
(ii) unsecured open account trade debts to unrelated  parties incurred by Debtor
in the ordinary course of business,  not to exceed,  cumulatively,  $50,000 over
the  aggregate  amount of such debts as of October  15,  1997.  Secured  Party's
written consent to any sale,  mortgage,  transfer,  or encumbrance  shall not be
construed to be a waiver of this provision in respect to any subsequent proposed
sale, mortgage, transfer, or encumbrance. If disposition of any Collateral gives
rise to an account,  chattel paper,  or  instrument,  Debtor  immediately  shall
notify Secured Party,  and upon request of Secured Party shall assign or endorse
the same to Secured Party.
<PAGE>

         4.14  ACCOUNTS   RECEIVABLE.   Each  account  receivable   constituting
Collateral will represent the valid and legally enforceable  obligation of third
parties and shall not be evidenced by any  instrument or chattel  paper.  In the
event any account  shall give rise to any  instrument or chattel  paper,  Debtor
shall  immediately  endorse the same to Secured  Party and deliver all  original
such instruments and chattel paper to Secured Party.

         4.15  LOCATION OF ACCOUNTS  AND  INVENTORY.  Debtor  shall give Secured
Party  written  notice  of each  office of  Debtor  in which  records  of Debtor
pertaining  to  accounts  in  Collateral  are kept,  and each  location at which
inventory  in  Collateral  is or will be  kept,  and of any  change  of any such
location.  If no such  notice is given,  all  records  of Debtor  pertaining  to
accounts  and all  inventory  are and shall be kept at  Debtor's  address  shown
above.

         4.16 NOTICE OF CHANGES. Debtor will notify Secured Party immediately of
any  material  change in the  Collateral,  of a change in Debtor's  residence or
location,  of a change in any matter  warranted or represented by Debtor in this
Agreement or furnished to Secured Party, and of any Event of Default.

         4.17 USE AND REMOVAL OF COLLATERAL.  Debtor will not use the Collateral
illegally nor, except for Collateral of nominal value,  permit the Collateral to
be affixed to real or personal  property  without the prior  written  consent of
Secured  Party.  Debtor will not permit any of the Collateral to be removed from
the locations  specified  herein  without the written  consent of Secured Party,
except for equipment used in Texas,  Louisiana or Alabama in the ordinary course
of Debtor's business as previously conducted.

         4.18  POSSESSION OF  COLLATERAL.  If the  Collateral is chattel  paper,
documents,  instruments, or investment securities or other instruments,  Secured
Party may deliver a copy of this Agreement to the broker or seller  thereof,  or
any person in possession  thereof,  and such delivery shall constitute notice to
such person of Secured Party's  security  interest  therein and shall constitute
Debtor's  instruction to such person to deliver to Secured Party certificates or
other  evidence  of the  same as soon as  available.  Debtor  will  deliver  all
investment securities, other instruments, documents, and chattel paper which are
part  of the  Collateral  and  in  Debtor's  possession  to  the  Secured  Party
immediately,  or  if  hereafter  acquired,  immediately  following  acquisition,
appropriately  endorsed to Secured Party's order, or with appropriate,  executed
powers. Debtor waives presentment,  demand, notice of dishonor, protest, and all
other notices with respect thereto.

         4.19  CHATTEL  PAPER.  Debtor has  perfected or will perfect a security
interest  by means  satisfactory  to Secured  Party in goods  covered by chattel
paper in Collateral.

         4.20  CONSUMER   CREDIT.   If  any  Collateral  or  proceeds   includes
obligations  of third  parties to Debtor,  the  transactions  giving rise to the
Collateral  shall  conform in all  respects to the  applicable  state or federal
consumer  credit law.  DEBTOR SHALL HOLD  HARMLESS AND  INDEMNIFY  SECURED PARTY
AGAINST ANY COST,  LOSS,  OR EXPENSE  INCLUDING  ATTORNEY'S  FEES,  ARISING FROM
DEBTOR'S BREACH OF THIS COVENANT.
<PAGE>

         4.21 CHANGE OF NAME.  Debtor  shall not change its name (or any assumed
name or other name under which Debtor does business) or its corporate  structure
without Secured Party's prior written  consent,  which shall not be unreasonably
withheld.  Debtor  will  not  change  its  principal  place of  business,  chief
executive  office,  or the place  where it keeps its  books and  records  unless
Debtor (i) shall have given Secured Party thirty (30) days prior written  notice
thereof,  and (ii) shall have taken all action deemed  necessary or desirable by
Secured Party to cause the Security Interest to be and remain perfected with the
priority required by this Agreement. Debtor shall execute all such documents and
agreements   (including  without  limitation  security   agreements,   financing
statements,  and  amendments  to  financing  statements)  as  Secured  Party may
reasonably request in connection with any such name change.

         4.22  NOTATION  ON TITLE  CERTIFICATES.  If  certificates  of title are
issued or outstanding  with respect to any of the Collateral,  Debtor will cause
the Security Interest to be properly noted therein.

         4.23 POWER OF  ATTORNEY.  Debtor  appoints  Secured  Party as  Debtor's
attorney-in-fact  with full  power in  Debtor's  name and behalf to do every act
which  Debtor is obligated  to do or may be required to do  hereunder;  however,
nothing in this section shall be construed to obligate Secured Party to take any
action hereunder.

         4.24 DEBTOR'S WAIVERS.  Debtor waives notice of the creation,  advance,
increase,  existence,  extension,  or  renewal  of, and of any  indulgence  with
respect to, the Indebtedness;  waives notice of intent to accelerate,  notice of
acceleration,  notice  of  intent  to  demand,  presentment,  demand,  notice of
dishonor,  and  protest;  waives  notice  of  the  amount  of  the  Indebtedness
outstanding  at any time,  notice of any change in  financial  condition  of any
person liable for the  Indebtedness or any part thereof,  notice of any Event of
Default,  and all other notices  respecting  the  Indebtedness;  and agrees that
maturity of the Indebtedness and any part thereof may be accelerated,  extended,
or renewed one or more times by Secured Party in its discretion,  without notice
to Debtor.

         4.25 OTHER PARTIES AND OTHER COLLATERAL.  No renewal or extension of or
any other  indulgence with respect to the  Indebtedness or any part thereof,  no
release  of any  security,  no  release  of any  person  (including  any  maker,
endorser,  guarantor,  or  surety)  liable  on the  Indebtedness,  no  delay  in
enforcement  of payment,  and no delay or admission or lack of diligence or care
in  exercising  any  right or power  with  respect  to the  Indebtedness  or any
security  therefor or guaranty  thereof or under this  Agreement  shall in other
manner  impair or affect the rights of Secured  Party under the law,  under this
Agreement, or under any other agreement pertaining to the other security for the
Indebtedness,  before  foreclosing upon the Collateral for the purpose of paying
the  Indebtedness.  Debtor  waives any right to the  benefit of or to require or
control application of any other security or proceeds thereof, and Debtor agrees
that Secured  Party shall have no duty or  obligation  to Debtor to apply to the
Indebtedness any such other security or proceeds thereof.
<PAGE>

                                    ARTICLE V
                       RIGHTS AND POWERS OF SECURED PARTY

         Secured Party, after default,  without liability to Debtor, may: obtain
from any  person  information  regarding  Debtor  or  Debtor's  business,  which
information  any such  person  also may  furnish  without  liability  to Debtor;
require Debtor to give possession or control of any Collateral to Secured Party;
endorse as  Debtor's  agent any  instruments,  documents,  or  chattel  paper in
Collateral or  representing  proceeds of  Collateral;  contact  account  debtors
directly to verify  information  furnished by Debtor;  take control of proceeds;
release  Collateral in its  possession to any Debtor  temporarily  or otherwise;
require additional  collateral;  reject as unsatisfactory any property hereafter
offered by Debtor as Collateral;  set standards from time to time to govern what
may be used as  after-acquired  collateral;  designate,  from  time to  time,  a
certain  percent  of the  Collateral  as the loan  value and  require  Debtor to
maintain  the  Indebtedness  at or below  such  figure;  take  control  of funds
generated by the Collateral,  such as cash dividends,  interest, and proceeds or
refunds from insurance,  and use same to reduce any part of the Indebtedness and
exercise all other rights which an owner of such Collateral may exercise, except
the right to vote or dispose of  Collateral  before an Event of Default;  at any
time  transfer any of the  Collateral  or evidence  thereof into its own name of
that of its nominee; and demand, collect,  convert, redeem, receipt for, settle,
compromise,  adjust, sue for, foreclose, or realize upon Collateral,  in its own
name or in the name of Debtor,  as Secured  Party may  determine in its sole and
absolute  discretion.  Secured  Party shall not be liable for failure to collect
any account or instrument, or for any act or omission on the part of the Secured
Party,  its officers,  agents,  or employees,  except  willful  misconduct.  The
foregoing  rights and powers of Secured  Party will be in addition to, and not a
limitation upon, any rights and powers of Secured Party given by law,  elsewhere
in this  Agreement,  or  otherwise.  If Debtor  fails to maintain  any  required
insurance,  to the extent  permitted by applicable law Secured Party may (but is
not obligated to) purchase single interest insurance coverage for the Collateral
which insurance may at Secured Party's option (i) protect only Secured Party and
not provide any  remuneration or protection for Debtor directly and (ii) provide
coverage only after the  Indebtedness  has been declared due as herein provided.
The premiums for any such  insurance  purchased by Secured Party shall be a part
of the Indebtedness and shall bear interest as provided in Section 1.2(d) above.

                                   ARTICLE VI
                                     DEFAULT

         6.1 Events of Default.  The  following are events of default under this
Agreement ("Events of Default"):
<PAGE>

                  (a)  default,  which  exists  for  longer  than  fifteen  (15)
         calendar  days,  in the  timely  payment of any part of the New Note or
         other  Indebtedness  or in  performance  or observance of the terms and
         conditions  herein, in any of the other Security  Documents,  or in any
         other agreement between Debtor and Secured Party;

                  (b)  any  warranty,   representation,  or  statement  made  or
         furnished  to  Secured  Party  by  Debtor,  Consolidated,   or  any  of
         Consolidated's  subsidiaries  proves to have been false in any material
         respect when made or furnished;

                  (c)   acceleration   of  the   maturity  of  debt  of  Debtor,
         Consolidated,  or  any of  Consolidated's  subsidiaries  to  any  other
         person;

                  (d) substantial change in any fact warranted or represented in
         this  Agreement or in any other  agreement  between  Debtor and Secured
         Party or in any  statement,  schedule,  or other  writing  furnished in
         connection therewith;

                  (e) sale, loss, theft, destruction,  encumbrance,  or transfer
         of any Collateral in violation  hereof,  or  substantial  damage to any
         Collateral;

                  (f) belief by Secured  Party that the  prospect  of payment of
         the Indebtedness or performance of this Agreement is impaired;

                  (g) death, incapacity,  dissolution, merger, or consolidation,
         termination of existence,  insolvency or business  failure of Debtor or
         any person liable on the Indebtedness;  commencement of proceedings for
         the appointment of a receiver for any property of Debtor;  commencement
         of any proceeding  under any bankruptcy or insolvency law by or against
         Debtor (or any corporate  action shall be taken to effect same), or any
         partnership  of which Debtor is a partner,  or by or against any person
         liable  upon the  Indebtedness  or any part  thereof,  or  liable  upon
         Collateral;

                  (h)      levy on,  seizure,  or  attachment  of any property 
         of Debtor,  Consolidated,  or any of Consolidated's subsidiaries;

                  (i) a  judgment  against  Debtor in  excess of $1,000  becomes
         final and remains  unsatisfied  and unappealed for thirty (30) calendar
         days; or

                  (j) any  liability or agreement of third  parties to Debtor or
         on the Collateral shall not be paid or performed in accordance with the
         terms thereof.

         6.2 REMEDIES OF SECURED  PARTY UPON  DEFAULT.  When an Event of Default
occurs,  and at any time thereafter,  Secured Party without notice or demand may
declare  the  Indebtedness  in whole  or part  immediately  due and may  enforce
payment  of the same and  exercise  any rights  under the Texas UCC,  rights and
remedies of Secured Party under this Agreement, or otherwise. Secured Party may
<PAGE>
 
require Debtor to assemble the Collateral and make it available to Secured Party
at a place which is reasonably convenient to both parties. Unless the Collateral
is  perishable  or  threatens  to  decline  speedily  in  value  or is of a type
customarily  sold  on a  recognized  market,  Secured  Party  will  give  Debtor
reasonable  notice of the time and place of any  public  sale  thereof or of the
time after which any private sale or other intended disposition thereof is to be
made. Expenses of retaking,  holding,  preparing for sale, selling,  leasing, or
the like shall include  Secured  Party's  reasonable  attorney's  fees and legal
expenses.  Secured Party shall be entitled to immediate  possession of all books
and records  evidencing  any accounts or general  intangibles  or  pertaining to
chattel  paper  covered by this  Agreement and shall have the authority to enter
upon any premises upon which any of the same, or any Collateral, may be situated
and remove the same therefrom without liability. Secured Party may surrender any
insurance  policies in  Collateral  and receive the  unearned  premium  thereon.
Debtor shall be entitled to any surplus  after payment of the  Indebtedness  and
shall be  liable  to  Secured  Party  for any  deficiency.  The  process  of any
disposition after default available to satisfy the Indebtedness shall be applied
to the  Indebtedness  in such order and in such  manner as Secured  Party in its
discretion  shall  decide.  If, in the  opinion of Secured  Party,  there is any
question that a public sale or  distribution  of any Collateral will violate any
state or federal securities law, Secured Party (i) may offer and sell securities
privately to purchasers who will agree to take them for investment  purposes and
not with a view to distribution  and who will agree to imposition of restrictive
legends on the  certificates  representing  the security,  or (ii) may sell such
securities in an intrastate  offering  under Section  3(a)(11) of the Securities
Act of 1933,  and no sale so made in good faith by Secured Party shall be deemed
to be not "commercially reasonable" because so made.

                                   ARTICLE VII
                                     GENERAL

         7.1 PARTIES BOUND.  Secured Party's rights under this Agreement and the
Security Interest shall inure to the benefits of its successors and assigns, and
in the event of any  assignment  or transfer of any of the  Indebtedness  or the
Collateral,  Secured  Party  thereafter  shall  be  fully  discharged  from  any
responsibility  with respect to the Collateral so assigned or  transferred,  but
Secured  Party shall  retain all rights and powers  hereby given with respect to
any of the  Indebtedness  or  Collateral  not so  assigned or  transferred.  All
representations, warranties, and agreements of Debtor if more than one are joint
and several, and all shall be binding upon the personal representatives,  heirs,
successors,  and assigns of Debtor.  Debtor may not assign this Agreement or any
of its rights or obligations hereunder without the express prior written consent
of Secured Party in each instance.

         7.2 WAIVER.  No delay of Secured Party in exercising any power or right
shall operate as a waiver thereof;  nor shall any single or partial  exercise of
any power or right preclude other or further exercise thereof or the exercise of
any other power or right.  No waiver by Secured Party of any right  hereunder of
any default by Debtor shall be binding upon Secured Party unless in writing, and
no failure by Secured  Party to exercise any power or right  hereunder or waiver
of any  default  by Debtor  shall  operate  as a waiver of any other or  further
exercise of such right or power of any further default.
<PAGE>

         7.3 AGREEMENT CONTINUING.  This Agreement shall constitute a continuing
agreement,  applying to all future as well as existing transactions,  whether or
not of the  character  contemplated  at the date of this  Agreement,  and if all
transactions between Secured Party and Debtor shall be closed at any time, shall
be equally  applicable to any new  transactions  thereafter.  Provisions of this
Agreement,  unless  by their  terms  exclusive,  shall be in  addition  to other
agreements between the parties.

         7.4 DEFINITIONS. Unless the context indicates otherwise, definitions in
the  Texas  UCC  apply to words  and  phrases  in this  Agreement;  if Texas UCC
definitions conflict, Chapter 9 definitions apply.

         7.5 NOTICE. Notice shall be deemed reasonable if mailed postage prepaid
at least 5 days  before  the  related  action  (or if the  Texas  UCC  elsewhere
specifies a longer period, such longer period) to Debtor's address shown above.

         7.6  INTEREST.  No  agreement  relating  to the  Indebtedness  shall be
construed to be a contract for or to authorize charging or receiving, or require
the  payment or permit the  collection  of,  interest  at a rate or in an amount
above that  authorized by law.  Interest  payable under any agreement above that
authorized by law shall be reduced automatically to the highest amount permitted
by law.

         7.7  MODIFICATIONS.  No  provision  hereof shall be modified or limited
except by a written agreement  expressly  referring hereto and to the provisions
so modified or limited and signed by Debtor and Secured Party,  nor by course of
conduct, usage of trade, or by the law merchant.

         7.8  SEVERABILITY.  The  unenforceability  of  any  provision  of  this
Agreement  shall  not  affect  the  enforceability  or  validity  of  any  other
provision.

         7.9 GENDER AND NUMBER.  Where appropriate,  the use of one gender shall
be construed to include the others or any of them; and the singular number shall
be construed to include the plural, and vice versa.

         7.10  APPLICABLE  LAW AND  VENUE.  THIS  AGREEMENT  SHALL BE  CONSTRUED
ACCORDING TO THE LAWS OF THE STATE OF TEXAS AND THE LAWS OF THE UNITED STATES OF
AMERICA  APPLICABLE TO TRANSACTIONS  IN THE STATE OF TEXAS.  Except at otherwise
stated,  this  Agreement  and  the  Security  Interest  shall  be  construed  in
accordance  with the Uniform  Commercial Code as in effect in the State of Texas
("Texas UCC").  This Agreement is performable by Debtor in the county of Secured
Party's address set out above.
<PAGE>

         7.11 FINANCING STATEMENT. A carbon, photographic, or other reproduction
of this security  agreement or any financing  statement  covering the Collateral
shall be sufficient as a financing statement.

         7.12  LIMITATIONS  OF LAW. If any law prohibits or limits any charge or
expense  provided  for in this  Agreement  in  connection  with any loan secured
hereby,  such charge or expense will not be made or incurred in connection  with
such loan beyond the limits permitted by such law.


EXECUTED this 6th day of November, 1997.

DEBTOR:

                                           LARCO ENVIRONMENTAL SERVICES, INC.

                                           By: /s/ James J. Connors, Jr.

                                           Name: James J. Connors, Jr.

                                           Title: President/CEO

SECURED PARTY:

                                         AMERICAN PHYSICIANS SERVICE GROUP, INC.

                                         By: /s/ Duane Boyd

                                         Name: Duane Boyd

                                         Title: Senior VP



<PAGE>



                                    EXHIBIT-A

                            LIST OF ASSETS OF DEBTOR

<PAGE>


                                                                 Exh. 10-35
                            SHARE EXCHANGE AGREEMENT

         This Share Exchange  Agreement  (this  "Agreement") is made and entered
into as of the ____ day of November,  1997, by and between  American  Physicians
Service Group, Inc., a Texas corporation ("APS") and Robert Casanova,  M.D. (the
"Shareholder").

                                R E C I T A L S:

         WHEREAS,  pursuant to that certain Agreement and Plan of Reorganization
(the "Merger  Agreement")  entered into by Shareholder more or less of even date
herewith and the other contracts and agreements to which Shareholder was, or was
to be, a party as contemplated in the Merger Agreement (the Merger Agreement and
all such other contracts and agreements are hereinafter referred to collectively
as the  "Acquisition  Documents"),  Shareholder  acquired 78,750 shares (the "PM
Shares")  of the  $0.001  par  value  per  share  common  stock of APS  Practice
Management,   Inc.,  a  Texas   corporation   ("Practice   Management")   for  a
consideration of $5.00 per PM Share (the "Exchange Value"); and

         WHEREAS,  APS has agreed,  on the terms and  subject to the  conditions
hereof, to exchange certain shares of its $0.10 par value per share common stock
("APS Common") for the PM Shares.
<PAGE>

         NOW,  THEREFORE,  in  consideration of the foregoing and other good and
valuable  consideration,   the  receipt  and  sufficiency  of  which  is  hereby
acknowledged, the parties hereto agree as follows:

         1.  CONDITIONS  TO EXCHANGE  RIGHT.  In addition to the other terms and
conditions  contained in this Agreement,  Shareholder  shall only be entitled to
exchange  the PM  Shares  for  shares  of APS  Common  if each of the  following
conditions has been satisfied:

                  (a) There shall not have been,  on or before  November 1, 1999
(the  "Determination  Date"), any registered public offering of the common stock
of Practice  Management,  or any other  transaction  or event  pursuant to which
shares of  Practice  Management  of the same  class as the PM Shares  shall have
become publicly traded.; and

                  (b) Shareholder  shall not be, or have been, at any time on or
prior to the date of the  closing  of any  exchange  of stock  pursuant  to this
Agreement (the "Closing Date"),  in breach of, or default under, this Agreement,
any of the  Acquisition  Documents  or any other  contract or agreement to which
Shareholder  and Practice  Management  and/or APS are parties,  and  Shareholder
shall not have threatened to breach or default under this Agreement,  any of the
Acquisition Documents or any such other contract or agreement; and

                  (c) At the Closing Date,  Shareholder  has all requisite legal
capacity  and  authority  to engage  in the  transactions  contemplated  by this
Agreement,  is the owner of all the PM Shares, and the PM Shares are free of any
and all liens, claims or encumbrances of any kind whatsoever; and
<PAGE>

                  (d) At or before the Closing Date,  Practice  Management shall
not  be,  or  have  been,  a  party  to  any  merger  consolidation  or  similar
transaction,  or agreement  with  respect  thereto,  pursuant to which  Practice
Management  was not or would  not be,  the named  surviving  entity  after  such
merger, consolidation or other transaction.

         2. EXCHANGE  NOTICE.  In the event all of the  conditions  described in
Section 1 are satisfied as of the Determination  Date and Shareholder  elects to
exercise  its  right  to  exchange  its PM  Shares  for  shares  of APS  Common,
Shareholder shall provide written notice thereof (the "Exchange Notice") to APS,
which  Exchange  Notice  must be  received  by APS not later  than the date (the
"Expiration  Date") which is ninety (90) calendar  days after the  Determination
Date.  In the event (i) any of the  conditions  required  for an  exchange to be
permissible,  as described in Section 1 above,  fail to be satisfied on or prior
to  the  Determination  Date,  or  (ii)  any  of  the  conditions  specified  in
subsections  (b),  (c) and (d) of Section 1 fail to be  satisfied on or prior to
the  Closing  Date,  or (iii) APS  fails to  receive  an  Exchange  Notice  from
Shareholder on or prior to the Expiration  Date;  then, in any such case, all of
Shareholder's  rights under this Agreement shall automatically  terminate and be
of no further force or effect whatsoever.
<PAGE>

         3.       SHARE CONVERSION.

                  (a)  Shareholder's  right to exchange its PM Shares  hereunder
shall  apply as to all,  but not less  than  all,  of the PM  Shares  which  are
eligible for exchange as described in this  paragraph (a) of Section 3. Assuming
Shareholder  has complied  with all of the  conditions  allowing for an exchange
pursuant  to this  Agreement,  55,417 of the PM  Shares  shall be  eligible  for
conversion as provided in this Agreement; and the remaining 23,333 PM Shares, or
a portion thereof, will only be eligible for an exchange hereunder in the event,
and only to the extent,  the Clinic (as hereinafter  defined)  achieves  certain
Practice  Accrual  Earnings  (as  hereinafter   defined)  levels  prior  to  the
Determination  Date.  For  purposes of this  Agreement,  the terms  "Clinic" and
"Practice  Accrual  Earnings"  shall have the meanings set forth in that certain
Management  Agreement  which is one of the Acquisition  Documents.  The Practice
Accrual Earnings of Clinic for any twelve (12) consecutive monthly period ending
on or prior to the Determination Date is hereinafter  referred to as the "Clinic
PAE." The parties  acknowledge  and agree that in the event  Clinic PAE does not
exceed  $933,333  during any twelve (12)  consecutive  calendar  monthly  period
ending on or prior to the  Determination  Date, then no portion of the 23,333 PM
Shares  shall be subject to exchange  pursuant to this  Agreement.  In the event
that,  during any twelve (12)  consecutive  calendar monthly period ending on or
prior to the  Determination  Date,  the Clinic PAE  exceeds  $933,333,  then the
percentage of the 23,333 PM Shares which will be eligible for exchange  pursuant
to this Agreement (assuming compliance with all other conditions provided for in
this  Agreement)  will be determined by  multiplying  23,333 by a fraction,  the
numerator of which is the amount by which Clinic PAE exceeds  $816,666  (but not
greater than $233,333 in any event), and the denominator of which is $233,333.
<PAGE>

         EXAMPLE:  The following is provided  purely by way of example only, and
illustrates  the  calculation  of the number of PM Shares  eligible for exchange
under this Agreement, assuming satisfaction of all other conditions allowing for
an exchange pursuant to this Agreement.
                  Assume Clinic PAE is $933,333 for the 12 months ended December
                  31,  1998,  which is the  largest  twelve  (12) month level of
                  Clinic PAE  achieved  in any  period  ended on or prior to the
                  Determination Date.

                  Total PM  Shares  eligible  for  exchange  hereunder  would be
                  67,084 determined as follows:

                  $933,333 - $816,666    x     23,333         =        11,667
                  -------------------
                        $233,333                                       55,417
                                                                       ------
                                                                       67,084

         (b) In the event  Shareholder  has complied with all of the  conditions
allowing  for an exchange  pursuant to this  Agreement,  the closing of any such
exchange (the "Closing") shall occur at the offices of APS in Austin,  Texas, on
such day and at such time as the parties  hereto may mutually  agree upon, or in
the failure to so agree, at 10:00 a.m. Austin,  Texas time on the first business
day that falls thirty (30) days after the Expiration Date. The maximum number of
PM Shares which  Shareholder has the right to exchange pursuant to paragraph (a)
of this Section are hereinafter referred to as the "Exchangeable PM Shares"; and
the "Gross  Exchange  Value" for purposes of this  Agreement is the gross dollar
amount  determined by  multiplying  the  Exchangeable  PM Shares by the Exchange
Value.  For purposes of determining the number of shares of APS Common which may
be  received  upon  any  exchange,  no  consideration  will be  given  to  stock
dividends,  stock  splits,  reverse stock splits or  recapitalizations  to which
<PAGE>

Practice  Management or the PM Shares are subject after the date this  Agreement
was originally entered into as first above written. At the Closing,  Shareholder
shall be  entitled  to receive  such  shares of APS Common as is  determined  by
dividing the Gross  Exchange  Value by the average of the "bid" and "ask" prices
for APS  Common as quoted by the  National  Association  of  Securities  Dealers
Automated  Quotation System at the close of trading on each of the last five (5)
business days immediately preceding the Closing Date.

         (c) At the Closing,  Shareholder shall tender its share  certificate(s)
for all of the Exchangeable PM Shares, duly endorsed in blank, to APS, and shall
also  provide APS with an  executed  blank stock  power,  in form and  substance
reasonably acceptable to APS, wherein Shareholder represents and warrants to APS
(i) that  Shareholder has all necessary  legal capacity,  power and authority to
engage in the transactions  contemplated  hereby, and (ii) that Shareholder owns
all interests in and to the  Exchangeable PM Shares and that the Exchangeable PM
Shares  are  being  transferred  to APS free and clear of all  liens,  claims or
encumbrances of any kind  whatsoever.  The shares of APS Common that Shareholder
receives in the  exchange are  hereinafter  referred to as the "New APS Shares."
The parties  acknowledge and agree that Shareholder shall receive a whole number
of shares of APS Common only,  and that any fractional  share amounts  resulting
from the foregoing  conversion  calculation  shall be rounded up or down, as the
case  may be,  to the  next  whole  number  of  shares.  APS  shall  be under no
obligation to pay any cash or other amounts with respect to any fractional share
amounts,  or to issue  any  fractional  share  amounts  to  Shareholder.  At the
Closing,  Shareholder  shall either receive a share  certificate for all its New
APS Shares or, if APS' transfer  agent is unable to produce such  certificate by
the Closing  Date,  will receive a copy of a registered  letter sent from APS to
the transfer agent instructing the transfer agent to deliver such certificate in
the name of Shareholder directly to Shareholder or Shareholder's designee.
<PAGE>

         4. NEW APS SHARES TRANSFERABILITY. APS will have registered the New APS
Shares with the Securities and Exchange Commission,  and made such other filings
and taken such other steps as necessary,  so that  Shareholder  may  immediately
sell, or otherwise  convey,  the New APS Shares without  restriction  (except as
otherwise  provided  below).  Shareholder  agrees to cooperate  fully and in all
respects  with  APS in  connection  with  any such  registration,  whether  such
cooperation  is requested  before or after the  Determination  Date.  Failure of
Shareholder to cooperate fully, including without limitation, promptly providing
complete and accurate information to APS, in connection with the registration of
any APS Common shares,  whether such cooperation and/or information is requested
before or after the Determination  Date or before or after Shareholder  delivers
any Exchange Notice,  shall automatically  terminate  Shareholder's rights under
this Agreement.  Notwithstanding  anything contained herein to the contrary,  in
the  event  that APS is in the  process,  either at the  Closing  Date or at the
Determination Date, of registering and/or selling any of its capital stock in or
pursuant to any underwritten  public  offering,  upon the written request of the
lead underwriter  involved therein,  Shareholder agrees, and shall then agree in
writing in form and substance reasonably acceptable to APS, to not sell, attempt
to sell, or solicit or accept any offers to sell or otherwise convey, any of the
New APS Shares for such period of time (not to exceed one hundred  eighty  (180)
days) as may be requested by such lead underwriter.
<PAGE>

         5.       MISCELLANEOUS.

                  (a) Fees and  Expenses.  Each party hereto  agrees to bear all
fees and expenses  (including  without  limitation all fees and expenses for its
legal counsel and any accountants or other  professional  advisors)  incurred in
connection with the transactions contemplated hereby.

                  (b) Governing Law and Venue.  This Agreement shall be governed
by, and  construed  and enforced in  accordance  with,  the laws of the State of
Texas  (except  the  laws  of  Texas  that  would  render  such  choice  of  law
ineffective).  Venue for any action  relating to this Agreement  shall be proper
only in Texas.

                  (c)    Counterparts.    This   Agreement   may   be   executed
simultaneously  in one or more  counterparts,  each of which  shall be deemed an
original,  and  all  of  which  together  shall  constitute  one  and  the  same
instrument.

                  (d)  Inurement.  This  Agreement  shall  be  binding  upon the
parties hereto and their respective heirs, legal representatives, successors and
permitted  assigns.  No party hereto may assign this Agreement,  or any of their
rights or obligations  hereunder,  without the express prior written  consent of
all parties hereto in each instance.
<PAGE>

                  (e)  Notices.  Any notices  required or  permitted to be given
under this Agreement  shall be given in writing and shall be deemed received (a)
when  personally  delivered  to the  relevant  party at its address as set forth
below or (b) if sent by mail, on the third day following the date when deposited
in the United States mail, certified or registered mail, postage pre-paid to the
relevant party at its address indicated below:

                  APS:              American Physicians Service Group, Inc.
                                    1301 Capital of Texas Highway, Suite C-300
                                    Austin, Texas 78746-6550
                                    Attn: President

                  Shareholder:      Robert Casanova, M.D.
                                    11111 Research Blvd., Suite 450
                                    Austin, Texas 78759

Any party may change its address for purposes of this Agreement by proper notice
to the other party.

         IN WITNESS  WHEREOF,  the parties hereto have executed this  Agreement,
intending to be legally bound hereby, as of the date first above written.

APS:                                     AMERICAN PHYSICIANS SERVICE GROUP, INC.

                                         By: /s/ Ken Shifrin

                                         Printed Name: Kenneth S. Shifrin

                                         Title:

SHAREHOLDER:
                                         /s/ Robert Casanova, M.D.
                                             Robert Casanova, M.D.


<PAGE>



                            SHARE EXCHANGE AGREEMENT


         This Share Exchange  Agreement  (this  "Agreement") is made and entered
into as of the ____ day of November,  1997, by and between  American  Physicians
Service  Group,  Inc., a Texas  corporation  ("APS") and Devin Garza,  M.D. (the
"Shareholder").

                                R E C I T A L S:

         WHEREAS,  pursuant to that certain Agreement and Plan of Reorganization
(the "Merger  Agreement")  entered into by Shareholder more or less of even date
herewith and the other contracts and agreements to which Shareholder was, or was
to be, a party as contemplated in the Merger Agreement (the Merger Agreement and
all such other contracts and agreements are hereinafter referred to collectively
as the  "Acquisition  Documents"),  Shareholder  acquired 78,750 shares (the "PM
Shares")  of the  $0.001  par  value  per  share  common  stock of APS  Practice
Management,   Inc.,  a  Texas   corporation   ("Practice   Management")   for  a
consideration of $5.00 per PM Share (the "Exchange Value"); and

         WHEREAS,  APS has agreed,  on the terms and  subject to the  conditions
hereof, to exchange certain shares of its $0.10 par value per share common stock
("APS Common") for the PM Shares.
<PAGE>

         NOW,  THEREFORE,  in  consideration of the foregoing and other good and
valuable  consideration,   the  receipt  and  sufficiency  of  which  is  hereby
acknowledged, the parties hereto agree as follows:

         1.  CONDITIONS  TO EXCHANGE  RIGHT.  In addition to the other terms and
conditions  contained in this Agreement,  Shareholder  shall only be entitled to
exchange  the PM  Shares  for  shares  of APS  Common  if each of the  following
conditions has been satisfied:

                  (a) There shall not have been,  on or before  November 1, 1999
(the  "Determination  Date"), any registered public offering of the common stock
of Practice  Management,  or any other  transaction  or event  pursuant to which
shares of  Practice  Management  of the same  class as the PM Shares  shall have
become publicly traded.; and

                  (b) Shareholder  shall not be, or have been, at any time on or
prior to the date of the  closing  of any  exchange  of stock  pursuant  to this
Agreement (the "Closing Date"),  in breach of, or default under, this Agreement,
any of the  Acquisition  Documents  or any other  contract or agreement to which
Shareholder  and Practice  Management  and/or APS are parties,  and  Shareholder
shall not have threatened to breach or default under this Agreement,  any of the
Acquisition Documents or any such other contract or agreement; and

                  (c) At the Closing Date,  Shareholder  has all requisite legal
capacity  and  authority  to engage  in the  transactions  contemplated  by this
Agreement,  is the owner of all the PM Shares, and the PM Shares are free of any
and all liens, claims or encumbrances of any kind whatsoever; and
<PAGE>

                  (d) At or before the Closing Date,  Practice  Management shall
not  be,  or  have  been,  a  party  to  any  merger  consolidation  or  similar
transaction,  or agreement  with  respect  thereto,  pursuant to which  Practice
Management  was not or would  not be,  the named  surviving  entity  after  such
merger, consolidation or other transaction.

         2. EXCHANGE  NOTICE.  In the event all of the  conditions  described in
Section 1 are satisfied as of the Determination  Date and Shareholder  elects to
exercise  its  right  to  exchange  its PM  Shares  for  shares  of APS  Common,
Shareholder shall provide written notice thereof (the "Exchange Notice") to APS,
which  Exchange  Notice  must be  received  by APS not later  than the date (the
"Expiration  Date") which is ninety (90) calendar  days after the  Determination
Date.  In the event (i) any of the  conditions  required  for an  exchange to be
permissible,  as described in Section 1 above,  fail to be satisfied on or prior
to  the  Determination  Date,  or  (ii)  any  of  the  conditions  specified  in
subsections  (b),  (c) and (d) of Section 1 fail to be  satisfied on or prior to
the  Closing  Date,  or (iii) APS  fails to  receive  an  Exchange  Notice  from
Shareholder on or prior to the Expiration  Date;  then, in any such case, all of
Shareholder's  rights under this Agreement shall automatically  terminate and be
of no further force or effect whatsoever.
<PAGE>

         3.       SHARE CONVERSION.

                  (a)  Shareholder's  right to exchange its PM Shares  hereunder
shall  apply as to all,  but not less  than  all,  of the PM  Shares  which  are
eligible for exchange as described in this  paragraph (a) of Section 3. Assuming
Shareholder  has complied  with all of the  conditions  allowing for an exchange
pursuant  to this  Agreement,  55,417 of the PM  Shares  shall be  eligible  for
conversion as provided in this Agreement; and the remaining 23,333 PM Shares, or
a portion thereof, will only be eligible for an exchange hereunder in the event,
and only to the extent,  the Clinic (as hereinafter  defined)  achieves  certain
Practice  Accrual  Earnings  (as  hereinafter   defined)  levels  prior  to  the
Determination  Date.  For  purposes of this  Agreement,  the terms  "Clinic" and
"Practice  Accrual  Earnings"  shall have the meanings set forth in that certain
Management  Agreement  which is one of the Acquisition  Documents.  The Practice
Accrual Earnings of Clinic for any twelve (12) consecutive monthly period ending
on or prior to the Determination Date is hereinafter  referred to as the "Clinic
PAE." The parties  acknowledge  and agree that in the event  Clinic PAE does not
exceed  $933,333  during any twelve (12)  consecutive  calendar  monthly  period
ending on or prior to the  Determination  Date, then no portion of the 23,333 PM
Shares  shall be subject to exchange  pursuant to this  Agreement.  In the event
that,  during any twelve (12)  consecutive  calendar monthly period ending on or
prior to the  Determination  Date,  the Clinic PAE  exceeds  $933,333,  then the
percentage of the 23,333 PM Shares which will be eligible for exchange  pursuant
to this Agreement (assuming compliance with all other conditions provided for in
this  Agreement)  will be determined by  multiplying  23,333 by a fraction,  the
numerator of which is the amount by which Clinic PAE exceeds  $816,666  (but not
greater than $233,333 in any event), and the denominator of which is $233,333.
<PAGE>

         EXAMPLE:  The following is provided  purely by way of example only, and
illustrates  the  calculation  of the number of PM Shares  eligible for exchange
under this Agreement, assuming satisfaction of all other conditions allowing for
an exchange pursuant to this Agreement.
                  Assume Clinic PAE is $933,333 for the 12 months ended December
                  31,  1998,  which is the  largest  twelve  (12) month level of
                  Clinic PAE  achieved  in any  period  ended on or prior to the
                  Determination Date.

                  Total PM  Shares  eligible  for  exchange  hereunder  would be
                  67,084 determined as follows:

                  $933,333 - $816,666     x     23,333         =        11,667
                  -------------------
                            $233,333                                    55,417
                                                                        ------
                                                                        67,084

         (b) In the event  Shareholder  has complied with all of the  conditions
allowing  for an exchange  pursuant to this  Agreement,  the closing of any such
exchange (the "Closing") shall occur at the offices of APS in Austin,  Texas, on
such day and at such time as the parties  hereto may mutually  agree upon, or in
the failure to so agree, at 10:00 a.m. Austin,  Texas time on the first business
day that falls thirty (30) days after the Expiration Date. The maximum number of
PM Shares which  Shareholder has the right to exchange pursuant to paragraph (a)
of this Section are hereinafter referred to as the "Exchangeable PM Shares"; and
the "Gross  Exchange  Value" for purposes of this  Agreement is the gross dollar
amount  determined by  multiplying  the  Exchangeable  PM Shares by the Exchange
Value.  For purposes of determining the number of shares of APS Common which may
be  received  upon  any  exchange,  no  consideration  will be  given  to  stock
dividends,  stock  splits,  reverse stock splits or  recapitalizations  to which
<PAGE>

Practice  Management or the PM Shares are subject after the date this  Agreement
was originally entered into as first above written. At the Closing,  Shareholder
shall be  entitled  to receive  such  shares of APS Common as is  determined  by
dividing the Gross  Exchange  Value by the average of the "bid" and "ask" prices
for APS  Common as quoted by the  National  Association  of  Securities  Dealers
Automated  Quotation System at the close of trading on each of the last five (5)
business days immediately preceding the Closing Date.

         (c) At the Closing,  Shareholder shall tender its share  certificate(s)
for all of the Exchangeable PM Shares, duly endorsed in blank, to APS, and shall
also  provide APS with an  executed  blank stock  power,  in form and  substance
reasonably acceptable to APS, wherein Shareholder represents and warrants to APS
(i) that  Shareholder has all necessary  legal capacity,  power and authority to
engage in the transactions  contemplated  hereby, and (ii) that Shareholder owns
all interests in and to the  Exchangeable PM Shares and that the Exchangeable PM
Shares  are  being  transferred  to APS free and clear of all  liens,  claims or
encumbrances of any kind  whatsoever.  The shares of APS Common that Shareholder
receives in the  exchange are  hereinafter  referred to as the "New APS Shares."
The parties  acknowledge and agree that Shareholder shall receive a whole number
of shares of APS Common only,  and that any fractional  share amounts  resulting
from the foregoing  conversion  calculation  shall be rounded up or down, as the
case  may be,  to the  next  whole  number  of  shares.  APS  shall  be under no
obligation to pay any cash or other amounts with respect to any fractional share
amounts,  or to issue  any  fractional  share  amounts  to  Shareholder.  At the
Closing,  Shareholder  shall either receive a share  certificate for all its New
APS Shares or, if APS' transfer  agent is unable to produce such  certificate by
the Closing  Date,  will receive a copy of a registered  letter sent from APS to
the transfer agent instructing the transfer agent to deliver such certificate in
the name of Shareholder directly to Shareholder or Shareholder's designee.
<PAGE>

         4. NEW APS SHARES TRANSFERABILITY. APS will have registered the New APS
Shares with the Securities and Exchange Commission,  and made such other filings
and taken such other steps as necessary,  so that  Shareholder  may  immediately
sell, or otherwise  convey,  the New APS Shares without  restriction  (except as
otherwise  provided  below).  Shareholder  agrees to cooperate  fully and in all
respects  with  APS in  connection  with  any such  registration,  whether  such
cooperation  is requested  before or after the  Determination  Date.  Failure of
Shareholder to cooperate fully, including without limitation, promptly providing
complete and accurate information to APS, in connection with the registration of
any APS Common shares,  whether such cooperation and/or information is requested
before or after the Determination  Date or before or after Shareholder  delivers
any Exchange Notice,  shall automatically  terminate  Shareholder's rights under
this Agreement.  Notwithstanding  anything contained herein to the contrary,  in
the  event  that APS is in the  process,  either at the  Closing  Date or at the
Determination Date, of registering and/or selling any of its capital stock in or
pursuant to any underwritten  public  offering,  upon the written request of the
lead underwriter  involved therein,  Shareholder agrees, and shall then agree in
writing in form and substance reasonably acceptable to APS, to not sell, attempt
to sell, or solicit or accept any offers to sell or otherwise convey, any of the
New APS Shares for such period of time (not to exceed one hundred  eighty  (180)
days) as may be requested by such lead underwriter.
<PAGE>

         5.       MISCELLANEOUS.

                  (a) Fees and  Expenses.  Each party hereto  agrees to bear all
fees and expenses  (including  without  limitation all fees and expenses for its
legal counsel and any accountants or other  professional  advisors)  incurred in
connection with the transactions contemplated hereby.

                  (b) Governing Law and Venue.  This Agreement shall be governed
by, and  construed  and enforced in  accordance  with,  the laws of the State of
Texas  (except  the  laws  of  Texas  that  would  render  such  choice  of  law
ineffective).  Venue for any action  relating to this Agreement  shall be proper
only in Texas.

                  (c)    Counterparts.    This   Agreement   may   be   executed
simultaneously  in one or more  counterparts,  each of which  shall be deemed an
original,  and  all  of  which  together  shall  constitute  one  and  the  same
instrument.

                  (d)  Inurement.  This  Agreement  shall  be  binding  upon the
parties hereto and their respective heirs, legal representatives, successors and
permitted  assigns.  No party hereto may assign this Agreement,  or any of their
rights or obligations  hereunder,  without the express prior written  consent of
all parties hereto in each instance.

                  (e)  Notices.  Any notices  required or  permitted to be given
under this Agreement  shall be given in writing and shall be deemed received (a)
<PAGE>

when  personally  delivered  to the  relevant  party at its address as set forth
below or (b) if sent by mail, on the third day following the date when deposited
in the United States mail, certified or registered mail, postage pre-paid to the
relevant party at its address indicated below:

                  APS:      American Physicians Service Group, Inc.
                            1301 Capital of Texas Highway, Suite C-300
                            Austin, Texas 78746-6550
                            Attn: President

                  Shareholder:              Devin Garza, M.D.
                         11111 Research Blvd., Suite 450
                               Austin, Texas 78759

Any party may change its address for purposes of this Agreement by proper notice
to the other party.

         IN WITNESS  WHEREOF,  the parties hereto have executed this  Agreement,
intending to be legally bound hereby, as of the date first above written.

APS:                                     AMERICAN PHYSICIANS SERVICE GROUP, INC.

                                         By: /s/ Ken Shifrin

                                         Printed Name: Kenneth S. Shifrin

                                         Title:

SHAREHOLDER:
                                          /s/ Devin Garza, M.D.
                                          Devin Garza, M.D.

<PAGE>

                            SHARE EXCHANGE AGREEMENT


         This Share Exchange  Agreement  (this  "Agreement") is made and entered
into as of the ____ day of November,  1997, by and between  American  Physicians
Service Group, Inc., a Texas corporation ("APS") and Shelley Nielson,  M.D. (the
"Shareholder").

                                R E C I T A L S:

         WHEREAS,  pursuant to that certain Agreement and Plan of Reorganization
(the "Merger  Agreement")  entered into by Shareholder more or less of even date
herewith and the other contracts and agreements to which Shareholder was, or was
to be, a party as contemplated in the Merger Agreement (the Merger Agreement and
all such other contracts and agreements are hereinafter referred to collectively
as the  "Acquisition  Documents"),  Shareholder  acquired 78,750 shares (the "PM
Shares")  of the  $0.001  par  value  per  share  common  stock of APS  Practice
Management,   Inc.,  a  Texas   corporation   ("Practice   Management")   for  a
consideration of $5.00 per PM Share (the "Exchange Value"); and

         WHEREAS,  APS has agreed,  on the terms and  subject to the  conditions
hereof, to exchange certain shares of its $0.10 par value per share common stock
("APS Common") for the PM Shares.
<PAGE>

         NOW,  THEREFORE,  in  consideration of the foregoing and other good and
valuable  consideration,   the  receipt  and  sufficiency  of  which  is  hereby
acknowledged, the parties hereto agree as follows:

         1.  CONDITIONS  TO EXCHANGE  RIGHT.  In addition to the other terms and
conditions  contained in this Agreement,  Shareholder  shall only be entitled to
exchange  the PM  Shares  for  shares  of APS  Common  if each of the  following
conditions has been satisfied:

                  (a) There shall not have been,  on or before  November 1, 1999
(the  "Determination  Date"), any registered public offering of the common stock
of Practice  Management,  or any other  transaction  or event  pursuant to which
shares of  Practice  Management  of the same  class as the PM Shares  shall have
become publicly traded.; and

                  (b) Shareholder  shall not be, or have been, at any time on or
prior to the date of the  closing  of any  exchange  of stock  pursuant  to this
Agreement (the "Closing Date"),  in breach of, or default under, this Agreement,
any of the  Acquisition  Documents  or any other  contract or agreement to which
Shareholder  and Practice  Management  and/or APS are parties,  and  Shareholder
shall not have threatened to breach or default under this Agreement,  any of the
Acquisition Documents or any such other contract or agreement; and

                  (c) At the Closing Date,  Shareholder  has all requisite legal
capacity  and  authority  to engage  in the  transactions  contemplated  by this
Agreement,  is the owner of all the PM Shares, and the PM Shares are free of any
and all liens, claims or encumbrances of any kind whatsoever; and
<PAGE>

                  (d) At or before the Closing Date,  Practice  Management shall
not  be,  or  have  been,  a  party  to  any  merger  consolidation  or  similar
transaction,  or agreement  with  respect  thereto,  pursuant to which  Practice
Management  was not or would  not be,  the named  surviving  entity  after  such
merger, consolidation or other transaction.

         2. EXCHANGE  NOTICE.  In the event all of the  conditions  described in
Section 1 are satisfied as of the Determination  Date and Shareholder  elects to
exercise  its  right  to  exchange  its PM  Shares  for  shares  of APS  Common,
Shareholder shall provide written notice thereof (the "Exchange Notice") to APS,
which  Exchange  Notice  must be  received  by APS not later  than the date (the
"Expiration  Date") which is ninety (90) calendar  days after the  Determination
Date.  In the event (i) any of the  conditions  required  for an  exchange to be
permissible,  as described in Section 1 above,  fail to be satisfied on or prior
to  the  Determination  Date,  or  (ii)  any  of  the  conditions  specified  in
subsections  (b),  (c) and (d) of Section 1 fail to be  satisfied on or prior to
the  Closing  Date,  or (iii) APS  fails to  receive  an  Exchange  Notice  from
Shareholder on or prior to the Expiration  Date;  then, in any such case, all of
Shareholder's  rights under this Agreement shall automatically  terminate and be
of no further force or effect whatsoever.
<PAGE>

         3.       SHARE CONVERSION.

                  (a)  Shareholder's  right to exchange its PM Shares  hereunder
shall  apply as to all,  but not less  than  all,  of the PM  Shares  which  are
eligible for exchange as described in this  paragraph (a) of Section 3. Assuming
Shareholder  has complied  with all of the  conditions  allowing for an exchange
pursuant  to this  Agreement,  55,417 of the PM  Shares  shall be  eligible  for
conversion as provided in this Agreement; and the remaining 23,333 PM Shares, or
a portion thereof, will only be eligible for an exchange hereunder in the event,
and only to the extent,  the Clinic (as hereinafter  defined)  achieves  certain
Practice  Accrual  Earnings  (as  hereinafter   defined)  levels  prior  to  the
Determination  Date.  For  purposes of this  Agreement,  the terms  "Clinic" and
"Practice  Accrual  Earnings"  shall have the meanings set forth in that certain
Management  Agreement  which is one of the Acquisition  Documents.  The Practice
Accrual Earnings of Clinic for any twelve (12) consecutive monthly period ending
on or prior to the Determination Date is hereinafter  referred to as the "Clinic
PAE." The parties  acknowledge  and agree that in the event  Clinic PAE does not
exceed  $933,333  during any twelve (12)  consecutive  calendar  monthly  period
ending on or prior to the  Determination  Date, then no portion of the 23,333 PM
Shares  shall be subject to exchange  pursuant to this  Agreement.  In the event
that,  during any twelve (12)  consecutive  calendar monthly period ending on or
prior to the  Determination  Date,  the Clinic PAE  exceeds  $933,333,  then the
percentage of the 23,333 PM Shares which will be eligible for exchange  pursuant
to this Agreement (assuming compliance with all other conditions provided for in
this  Agreement)  will be determined by  multiplying  23,333 by a fraction,  the
numerator of which is the amount by which Clinic PAE exceeds  $816,666  (but not
greater than $233,333 in any event), and the denominator of which is $233,333.
<PAGE>

         EXAMPLE:  The following is provided  purely by way of example only, and
illustrates  the  calculation  of the number of PM Shares  eligible for exchange
under this Agreement, assuming satisfaction of all other conditions allowing for
an exchange pursuant to this Agreement.
                  Assume Clinic PAE is $933,333 for the 12 months ended December
                  31,  1998,  which is the  largest  twelve  (12) month level of
                  Clinic PAE  achieved  in any  period  ended on or prior to the
                  Determination Date.

                  Total PM  Shares  eligible  for  exchange  hereunder  would be
                  67,084 determined as follows:

                  $933,333 - $816,666     x      23,333         =        11,667
                  -------------------
                            $233,333                                     55,417
                                                                         ------
                                                                         67,084

         (b) In the event  Shareholder  has complied with all of the  conditions
allowing  for an exchange  pursuant to this  Agreement,  the closing of any such
exchange (the "Closing") shall occur at the offices of APS in Austin,  Texas, on
such day and at such time as the parties  hereto may mutually  agree upon, or in
the failure to so agree, at 10:00 a.m. Austin,  Texas time on the first business
day that falls thirty (30) days after the Expiration Date. The maximum number of
PM Shares which  Shareholder has the right to exchange pursuant to paragraph (a)
of this Section are hereinafter referred to as the "Exchangeable PM Shares"; and
the "Gross  Exchange  Value" for purposes of this  Agreement is the gross dollar
amount  determined by  multiplying  the  Exchangeable  PM Shares by the Exchange
Value.  For purposes of determining the number of shares of APS Common which may
be  received  upon  any  exchange,  no  consideration  will be  given  to  stock
dividends,  stock  splits,  reverse stock splits or  recapitalizations  to which
<PAGE>

Practice  Management or the PM Shares are subject after the date this  Agreement
was originally entered into as first above written. At the Closing,  Shareholder
shall be  entitled  to receive  such  shares of APS Common as is  determined  by
dividing the Gross  Exchange  Value by the average of the "bid" and "ask" prices
for APS  Common as quoted by the  National  Association  of  Securities  Dealers
Automated  Quotation System at the close of trading on each of the last five (5)
business days immediately preceding the Closing Date.

         (c) At the Closing,  Shareholder shall tender its share  certificate(s)
for all of the Exchangeable PM Shares, duly endorsed in blank, to APS, and shall
also  provide APS with an  executed  blank stock  power,  in form and  substance
reasonably acceptable to APS, wherein Shareholder represents and warrants to APS
(i) that  Shareholder has all necessary  legal capacity,  power and authority to
engage in the transactions  contemplated  hereby, and (ii) that Shareholder owns
all interests in and to the  Exchangeable PM Shares and that the Exchangeable PM
Shares  are  being  transferred  to APS free and clear of all  liens,  claims or
encumbrances of any kind  whatsoever.  The shares of APS Common that Shareholder
receives in the  exchange are  hereinafter  referred to as the "New APS Shares."
The parties  acknowledge and agree that Shareholder shall receive a whole number
of shares of APS Common only,  and that any fractional  share amounts  resulting
from the foregoing  conversion  calculation  shall be rounded up or down, as the
case  may be,  to the  next  whole  number  of  shares.  APS  shall  be under no
obligation to pay any cash or other amounts with respect to any fractional share
amounts,  or to issue  any  fractional  share  amounts  to  Shareholder.  At the
Closing,  Shareholder  shall either receive a share  certificate for all its New
APS Shares or, if APS' transfer  agent is unable to produce such  certificate by
the Closing  Date,  will receive a copy of a registered  letter sent from APS to
the transfer agent instructing the transfer agent to deliver such certificate in
the name of Shareholder directly to Shareholder or Shareholder's designee.
<PAGE>

         4. New APS Shares Transferability. APS will have registered the New APS
Shares with the Securities and Exchange Commission,  and made such other filings
and taken such other steps as necessary,  so that  Shareholder  may  immediately
sell, or otherwise  convey,  the New APS Shares without  restriction  (except as
otherwise  provided  below).  Shareholder  agrees to cooperate  fully and in all
respects  with  APS in  connection  with  any such  registration,  whether  such
cooperation  is requested  before or after the  Determination  Date.  Failure of
Shareholder to cooperate fully, including without limitation, promptly providing
complete and accurate information to APS, in connection with the registration of
any APS Common shares,  whether such cooperation and/or information is requested
before or after the Determination  Date or before or after Shareholder  delivers
any Exchange Notice,  shall automatically  terminate  Shareholder's rights under
this Agreement.  Notwithstanding  anything contained herein to the contrary,  in
the  event  that APS is in the  process,  either at the  Closing  Date or at the
Determination Date, of registering and/or selling any of its capital stock in or
pursuant to any underwritten  public  offering,  upon the written request of the
lead underwriter  involved therein,  Shareholder agrees, and shall then agree in
writing in form and substance reasonably acceptable to APS, to not sell, attempt
to sell, or solicit or accept any offers to sell or otherwise convey, any of the
New APS Shares for such period of time (not to exceed one hundred  eighty  (180)
days) as may be requested by such lead underwriter.
<PAGE>

         5.       MISCELLANEOUS.

                  (a) Fees and  Expenses.  Each party hereto  agrees to bear all
fees and expenses  (including  without  limitation all fees and expenses for its
legal counsel and any accountants or other  professional  advisors)  incurred in
connection with the transactions contemplated hereby.

                  (b) Governing Law and Venue.  This Agreement shall be governed
by, and  construed  and enforced in  accordance  with,  the laws of the State of
Texas  (except  the  laws  of  Texas  that  would  render  such  choice  of  law
ineffective).  Venue for any action  relating to this Agreement  shall be proper
only in Texas.

                  (c)    Counterparts.    This   Agreement   may   be   executed
simultaneously  in one or more  counterparts,  each of which  shall be deemed an
original,  and  all  of  which  together  shall  constitute  one  and  the  same
instrument.

                  (d)  Inurement.  This  Agreement  shall  be  binding  upon the
parties hereto and their respective heirs, legal representatives, successors and
permitted  assigns.  No party hereto may assign this Agreement,  or any of their
rights or obligations  hereunder,  without the express prior written  consent of
all parties hereto in each instance.
<PAGE>

                  (e)  Notices.  Any notices  required or  permitted to be given
under this Agreement  shall be given in writing and shall be deemed received (a)
when  personally  delivered  to the  relevant  party at its address as set forth
below or (b) if sent by mail, on the third day following the date when deposited
in the United States mail, certified or registered mail, postage pre-paid to the
relevant party at its address indicated below:

                  APS:               American Physicians Service Group, Inc.
                                     1301 Capital of Texas Highway, Suite C-300
                                     Austin, Texas 78746-6550
                                     Attn: President

                  Shareholder:       Shelley Nielson, M.D.
                                     11111 Research Blvd., Suite 450
                                     Austin, Texas 78759

Any party may change its address for purposes of this Agreement by proper notice
to the other party.

         IN WITNESS  WHEREOF,  the parties hereto have executed this  Agreement,
intending to be legally bound hereby, as of the date first above written.

APS:                                     AMERICAN PHYSICIANS SERVICE GROUP, INC.

                                         By: /s/ Ken Shifrin

                                         Printed Name: Kenneth S. Shifrin

                                         Title:

SHAREHOLDER:
                                         /s/ Shelley Nielson, M.D.
                                         Shelley Nielson, M.D.

<PAGE>


                                                                   Exh. 10-36  
                                 FIRST AMENDMENT
                                       TO
               1995 INCENTIVE AND NON-QUALIFIED STOCK OPTION PLAN
                                       OF
                     AMERICAN PHYSICIANS SERVICE GROUP, INC.


         American  Physicians  Service  Group,  Inc., a Texas  corporation  (the
"Corporation"),  hereby adopts this first  amendment  (this  "Amendment") to its
1995 Incentive and Non-qualified  Stock Option Plan, a copy of which is attached
hereto as Exhibit A, (the "Plan")  effective for all purposes as of December 10,
1997 (the "Effective Date").

                                 R E C I T A L S

         WHEREAS, on June 13, 1996 the Corporation adopted the Plan; and

         WHEREAS,   the  Corporation's  Board  of  Directors  have  approved  an
amendment to the Plan, as contained  herein,  pursuant to which (i) the Plan may
be  administered  by either the Board of  Directors  or a committee of the Board
duly appointed under the terms of the Plan and comprised  solely of non-employee
directors,  and (ii) the holders of  Non-Qualified  Stock Options (as defined in
the Plan) may,  upon  approval,  assign or transfer such Options or their rights
thereunder; and

         WHEREAS,  the  Corporation  desires  to amend the Plan to  reflect  the
incorporation of this Amendment.
<PAGE>

         NOW,  THEREFORE,  in consideration  of, and pursuant to, the foregoing,
the Corporation hereby adopts this Amendment to the Plan as follows:

         1.  Article  II of the Plan is  hereby  amended  to  delete  the  first
sentence which reads:

                           This Plan shall be  administered  by a committee (the
                  "Committee")  composed of members  selected by, and serving at
                  the  pleasure  of, the Board of  Directors of the Company (the
                  "Board").

          and to replace such sentence with the following text:

                           This Plan shall be administered by an  administrative
                  body (the "Committee") designated by the Board of Directors of
                  the Company (the "Board").  The Board may designate  itself as
                  the Committee or appoint two or more non-employee directors to
                  a committee which shall serve as the Committee.

         Article II of the Plan is further  amended to delete the sentence which
reads:

                           Consistent  with Rule  16b-3  each  committee  member
                  shall be a  disinterested  person,  i.e., a person who has not
                  been  granted  any equity  security  pursuant to a plan of the
                  corporation or any of its affiliates during the one year prior
                  to his  becoming  a  committee  member or during the period he
                  serves as a committee member.
<PAGE>

         2. Article VII of the Plan is hereby amended to read in its entirety as
follows:

                           Incentive   Stock  Options  and  all  rights  granted
                  thereunder shall not be transferable other than by will or the
                  laws of descent and distribution.  Non-Qualified Stock Options
                  and all rights granted  thereunder  shall not be  transferable
                  other than by will or the laws or descent and distribution, or
                  upon the express  prior  written  consent of the  Committee in
                  each   instance.   All   Incentive   Stock  Options  shall  be
                  exercisable  during  the  Optionee's  lifetime,  only  by  the
                  Optionee or the Optionee's guardian or legal representative.

         3. Except as specifically amended hereby, the Plan shall remain in full
force and effect in accordance with its terms. The Corporation shall be entitled
to amend and restate the Plan document to incorporate  the foregoing and Exhibit
A into a single document.



<PAGE>



IN WITNESS WHEREOF, the Board of Directors, acting pursuant to Article XI of the
Plan, has approved and adopted this Amendment as of the Effective Date.



                     AMERICAN PHYSICIANS SERVICE GROUP, INC.

                                        By: /s/ William Hayes
                                            -----------------
                                            William Hayes
                                            Secretary



<PAGE>


                                                                 Exh. 10-37
                                 FIRST AMENDMENT
                                       TO
                  1995 NON-EMPLOYEE DIRECTOR STOCK OPTION PLAN
                                       OF
                     AMERICAN PHYSICIANS SERVICE GROUP, INC.


         American  Physicians  Service  Group,  Inc., a Texas  corporation  (the
"Corporation"),  hereby adopts this first  amendment  (this  "Amendment") to its
1995 Non-Employee Director Stock Option Plan, a copy of which is attached hereto
as Exhibit A, (the  "Plan")  effective  for all purposes as of December 10, 1997
(the "Effective Date").

                                 R E C I T A L S

         WHEREAS, on June 13, 1996 the Corporation adopted the Plan; and

         WHEREAS,   the  Corporation's  Board  of  Directors  have  approved  an
amendment  to the Plan,  as contained  herein,  pursuant to which the holders of
Options (as defined in the Plan) may,  upon  approval,  assign or transfer  such
Options or their rights thereunder; and

         WHEREAS,  the  Corporation  desires  to amend the Plan to  reflect  the
incorporation of this Amendment.

         NOW,  THEREFORE,  in consideration  of, and pursuant to, the foregoing,
the Corporation hereby adopts this Amendment to the Plan as follows:
<PAGE>

         1. Article VI of the Plan is hereby  amended to read in its entirety as
follows:

                           Each Option and all rights granted  thereunder  shall
                  not be transferable  other than by will or the laws of descent
                  and distribution, or upon the express prior written consent of
                  the Committee in each instance.

         2. Except as specifically amended hereby, the Plan shall remain in full
force and effect in accordance with its terms. The Corporation shall be entitled
to amend and restate the Plan document to incorporate  the foregoing and Exhibit
A into a single document.

         IN WITNESS WHEREOF, the Board of Directors,  acting pursuant to Article
X of the Plan, has approved and adopted this Amendment as of the Effective Date.



                     AMERICAN PHYSICIANS SERVICE GROUP, INC.


                                     By:/s/ William Hayes
                                        -----------------
                                        William Hayes
                                        Secretary
<PAGE>


                                                                  EXHIBIT 21.1

             SUBSIDIARIES OF AMERICAN PHYSICIANS SERVICE GROUP, INC.
                              AS OF MARCH 20, 1998




Name of Subsidiary                                      State of Incorporation

APS Communications Corporation                                    Texas

APS Facilities Management, Inc.                                   Texas

APS Financial Corporation                                         Colorado

APS Insurance Services, Inc.                                      Delaware

APS Realty, Inc.                                                  Texas

American Physicians Insurance Agency, Inc.                        Texas



                                                                    Exhibit 23.1



                          INDEPENDENT AUDITORS' CONSENT
- --------------------------------------------------------------------------------

We consent to incorporation  by reference in the  registration  statements (Nos.
33-66308,  333-07425,  333-07427)  on Form S-8 of  American  Physicians  Service
Group,  Inc.  of our report  dated March 6, 1998,  relating to the  consolidated
balance sheets of American Physicians Service Group, Inc. and subsidiaries as of
December 31, 1997 and 1996, and the related consolidated statements of earnings,
shareholders'  equity,  and cash  flows for each of the years in the  three-year
period ended December 31, 1997 which report appears in the Annual Report on Form
10-K of American  Physicians Service Group, Inc. for the year ended December 31,
1997.




Austin, Texas
March 28, 1998                     BY:  /s/  KPMG Peat Marwick, LLP
                                   --------------------------------



<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
     THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE 
     DECEMBER 31, 1997 FORM 10-K AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
     TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                    1,000             
       
<S>                             <C>               <C>               
<PERIOD-TYPE>                   12-MOS            12-MOS            
<FISCAL-YEAR-END>               DEC-31-1997       DEC-31-1996       
<PERIOD-START>                  JAN-01-1997       JAN-01-1996       
<PERIOD-END>                    DEC-31-1997       DEC-31-1996       
<CASH>                          5,188             5,770               
<SECURITIES>                    0                 728                 
<RECEIVABLES>                   2,194             4,249               
<ALLOWANCES>                    222               290                 
<INVENTORY>                     15                0                   
<CURRENT-ASSETS>                8,660             11,625              
<PP&E>                          5,605             4,256               
<DEPRECIATION>                  3,775             2,475               
<TOTAL-ASSETS>                  29,401            24,468              
<CURRENT-LIABILITIES>           5,300             3,320                     
<BONDS>                         0                 0                   
           0                 0                   
                     0                 0                   
<COMMON>                        416               405                   
<OTHER-SE>                      22,688            19,977              
<TOTAL-LIABILITY-AND-EQUITY>    29,401            24,468              
<SALES>                         0                 0                   
<TOTAL-REVENUES>                13,065            11,646              
<CGS>                           0                 365
<TOTAL-COSTS>                   10,467            9,908
<OTHER-EXPENSES>                506               198
<LOSS-PROVISION>                0                 0
<INTEREST-EXPENSE>              21                54
<INCOME-PRETAX>                 5,984             2,969
<INCOME-TAX>                    2,341             1,045
<INCOME-CONTINUING>             3,468             1,924
<DISCONTINUED>                  930               0
<EXTRAORDINARY>                 0                 0         
<CHANGES>                       0                 0    
<NET-INCOME>                    2,538             1,924
<EPS-PRIMARY>                   0.62              0.48
<EPS-DILUTED>                   0.59              0.46
        


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