Document:

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MEDICORE, INC.         EQUITABLE BANK            ACCOUNT #: 1120423500
2337 WEST 76 STREET    633 S. FEDERAL HIGHWAY    Loan Number: 1120423565
HIALEAH, FL 33016      FT LAUDERDALE, FL 33301   Date: NOVEMBER 22, 1999
                                                 Maturity Date: APRIL 22, 2001
                                                 Loan Amount: $350,000,00
                                                 Renewal Of:
BORROWER'S NAME AND    LENDERS NAME AND          LOAN PROC: MMF
ADDRESS                ADDRESS
"I" includes each      "You" means the lender,
borrower above, joint  its successors and
and severally.         assigns.
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For value received, I promise to pay to you, or your order, at your address
listed above the PRINCIPAL sum of THREE HUNDRED FIFTY
THOUSAND AND NO/100 * * * * * * * * * * * * * * * * * * * Dollars $350,000.00
[ ] Single Advance: I will receive all of this principal sum on                .
No additional advances are contemplated under this note.
[X] Multiple Advance: The principal sum shown above is the maximum amount of
principal I can borrow under this note.  On NOV. 22, 1999 I will receive the
amount of $                    and future principal advances are contemplated.
     Conditions: The conditions for future advances are UPON WRITTEN, VERBAL
     OR TELEPHONIC AUTHORIZTION FROM CUSTOMER,
     [X] Open End Credit: You and I agree that I may borrow up to the maximum
     amount of principal more than one time.  This feature is subject to all
     other conditions and expires on APRIL 22, 2001.
     [X] Closed End Credit: You and I agree that I may borrow up to the
     maximum only one time (and subject to all other conditions).
INTEREST: I agree to pay interest on the outstanding principal balance from
NOVEMBER 22, 1999 at the rate of 9.500 % per year until FIRST CEANGE DATE.
[X] Variable Rate: This rate may then change as stated below.
     [X] Index Rate: The future rate will be 1.000% OVER the following index
     rate: WALL STREET JOURNAL PRIME
     [ ] No Index: The future rate will not be subject to any internal or
     external index.  It will be entirely in your control.
     [X} Frequency and Timing: The rate on this note may change as often as
     DAILY. A change in the interest rate will take effect ON THE SAME DAY THAT
     THE PRIME RATE CHANGES.
     [ ] Limitations: During the term of this loan, the applicable annual
     interest rate will not be more than     % or less than     %. The rate
     may not change more than     % each               .
     Effect of Variable Rate: A change in the interest rate will have the
     following effect on the payments:
     [X] The amount of each scheduled payment will change.
     [X] The amount of the final payment will change.
     [X] ---------------------------------------------------------------------.
ACCRUAL METHOD: Interest will be calculated on a ACTUAL/360 basis.
POST MATURITY RATE: I agree to pay interest on the unpaid balance of this
note owing after maturity, and until paid in full, as stated below:
     [ ] on the same fixed or variable rate basis in effect before maturity
     (as indicated above).
     [X] at a rate equal to THE MAXIMUM AMOUNT ALLOWED BY LAW
[X] LATE CHARGE: If a payment is made more than 10 days after it is due, I
agree to pay a late charge of 5.000% OF THE LATE PAYMENT.
[X] ADDITIONAL CHARGES: In addition to interest, I agree to pay the following
charges which [ ] are [X] are not included in the principal amount above: SEE
SCHEDULE A.
PAYMENTS: I agree to pay this note as follows:
[X] Interest: I agree to pay accrued interest ON THE 22ND DAY OF EACH MONTH
BEGINNING DECEMBER 22, 1999.
[X] Principal: I agree to pay the principal APRIL 22, 2001.
[X] Installments: I agree to pay this note in         payments.  The first
payment will be in the amount of $                      and will be due
                                       thereafter.  The final payment of the
entire unpaid balance of principal and interest will be due                   .
ADDITIONAL TERMS:
UCC FILINGS ON ACCOUNTS RECEIVABLE AND INVENTORY OF MEDICAL DIVISION AS
FURTHER DESCRIBED IN AND EVIDENCED BY SECURITY AGREEMENT DATED NOVEMBER 22,
1999.

[X] SECURITY: This note is           PURPOSE: The purpose of this loan is
separately secured by (describe      BUSINESS: ISSUANCE OF A 30 DAY SIGHT LTR
separate document by type and
date): SECURITY AGREEMENT DATED      SIGNATURES: I AGREE TO THE TERMS OF THIS
11/22/99                             NOTE (INCLUDING THOSE ON PAGE 2).  I have
(This section is for your internal   received a copy on today's date.
use.  Failure to list a separate
security document does not mean the  MEDICORE, INC.
agreement will not secure this
note.)                                   /s/ Thomas K. Langbein
                                     BY:--------------------------------------
Signature for Lender                 THOMAS K. LANGBEIN, PRESIDENT

  /s/ William M. Kurau                  /S/ Daniel R. Ouzts
X---------------------------------   BY:--------------------------------------
WILLIAM M. KURAU, VICE PRESIDENT     DANIEL R. OUZTS, VICE PRESIDENT

<PAGE>

DEFINITIONS: As used on page 1, "[X]" means the terms that apply to this
loan.  "I," "me" or "my" means each Borrower who signs this note and each
other person or legal entity (including guarantors, endorsers, and sureties)
who agrees to pay this note (together referred to as "us").  "You" or "your"
means the Lender and its successors and assigns.
APPLICABLE LAW: The law of the state of Florida will govern this note.  Any
term of this note which is contrary to applicable law will not be effective,
unless the law permits you and me to agree to such a variation. If any
provision of this agreement cannot be enforced according to its terms, this
fact will not affect the enforceability of the remainder of this agreement.
No modification of this agreement may be made without your express written
consent.  Time is of the essence in this agreement.
PAYMENTS: Each payment I make on this note will first reduce the amount I owe
you for charges which are neither interest nor principal.  The remainder of
each payment will then reduce accrued unpaid interest, and then unpaid
principal.  If you and I agree to a different application of payments, we
will describe our agreement on this note.  I may prepay a part of, or the
entire balance of this loan without penalty, unless we specify to the
contrary on this note.  Any partial prepayment will not excuse or reduce
any later scheduled payment until this note is paid in full (unless, when I
make the prepayment, you and I agree in writing to the contrary).
INTEREST: Interest accrues on the principal remaining unpaid from time to
time, until paid in full.  If I receive the principal in more than one
advance, each advance will start to earn interest only when I receive the
advance.  The interest rate in effect on this note at any given time will
apply to the entire principal advanced at that time.  Notwithstanding
anything to the contrary, I do not agree to pay and you do not intend to
charge any rate of interest that is higher than the maximum rate of interest
you could charge under applicable law for the extension of credit that is
agreed to here (either before or after maturity).  If any notice of interest
accrual is sent and is in error, we mutually agree to correct it, and if you
actually collect more interest than allowed by law and this agreement, you
agree to refund it to me.
INDEX RATE: The index will serve only as a device for setting the rate on
this note.  You do not guarantee by selecting this index, or the margin, that
the rate on this note will be the same rate you charge on any other loans or
class of loans to me or other borrowers.
ACCRUAL METHOD: The amount of interest that I will pay on this loan will be
calculated using the interest rate and accrual method stated on page I of
this note.  For the purpose of interest calculation, the accrual method will
determine the number of days in a 'year." If no accrual method is stated,
then you may use any reasonable accrual method for calculating interest.
POST MATURITY RATE: For purposes of deciding when the "Post Maturity Rate"
(shown on page 1) applies, the term "maturity" means the date of the last
scheduled payment indicated on page 1 of this note or the date you accelerate
payment on the note, whichever is earlier.
SINGLE ADVANCE LOANS: If this is a single advance loan, you and I expect that
you will make only one advance of principal.  However, you may add other
amounts to the principal if you make any payments described in the "PAYMENTS
BY LENDER" paragraph below.
MULTIPLE ADVANCE LOANS: If this is a multiple advance loan, you and I expect
that you will make more than one advance of principal.  If this is closed end
credit, repaying a part of the principal will not entitle me to additional
credit.
PAYMENTS BY LENDER: If you are authorized to pay, on my behalf, charges I am
obligated to pay (such as property insurance premiums), then you may treat
those payments made by you as advances and add them to the unpaid principal
under this note, or you may demand immediate payment of the charges.
SET-OFF: I agree that you may set off any amount due and payable under this
note against any right I have to receive money from you.
 "Right to receive money from you" means:
 (1) any deposit account balance I have with you;
 (2) any money owed to me on an item presented to you or in your possession
 for collection or exchange; and
 (3) any repurchase agreement or other nondeposit obligation.
 "Any amount due and payable under this note" means the total amount of which
you are entitled to demand payment under the terms of this note at the time
you set off.  This total includes any balance the due date for which you
properly accelerate under this note.
 If my right to receive money from you is also owned by someone who has not
agreed to pay this note, your right of set-off will apply to my interest in
the obligation and to any other amounts I could withdraw on mV sole request
or endorsement.  Your right of set-off does not apply to an account or other
obligation where my rights are only as a representative.  It also does not
apply to any Individual Retirement Account or other tax-deferred retirement
account.
You will not be liable for the dishonor of any check when the dishonor occurs
because you set off this debt against any of my accounts.  I agree to hold
you harmless from any such claims arising as a result of your exercise of
your right of set-off.
REAL ESTATE OR RESIDENCE SECURITY: If this note is secured by real estate or
a residence that is personal property, the existence of a default and your
remedies for such a default will be determined by applicable law, by the
terms of any separate instrument creating the security interest and, to the
extent not prohibited by law and not contrary to the terms of the separate
security instrument, by the "Default" and "Remedies" paragraphs herein.
DEFAULT: I will be in default if any one or more of the following occur:
(1) I fail to make a payment on time or in the amount due; (2) 1 fail to keep
the property insured, if required; (3) 1 fail to pay, or keep any promise, on
any debt or agreement I have with you; (4) any other creditor of mine
attempts to collect any debt I owe him through court proceedings; (5) I die,
am declared incompetent, make an assignment for the benefit of creditors, or
become insolvent (either because my liabilities exceed my assets or I am
unable to pay my debts as they become due); (6) 1 make any written statement
or provide any financial information that is untrue or inaccurate at the time
it was provided; (7) 1 do or fail to do something which causes you to believe
that you will have difficulty collecting the amount I owe you; (8) any
collateral securing this note is used in a manner or for a purpose which
threatens confiscation by a legal authority; (9) 1 change my name or assume
an additional name without first notifying you before making such a change;
(10) I fail to plant, cultivate and harvest crops in due season; (11) any
loan proceeds are used for a purpose that will contribute to excessive
erosion of highly erodible land or to the conversion of wetlands to produce
an agricultural commodity, as further explained in 7 C.F.R. Part 1940,
Subpart G, Exhibit M.
REMEDIES: If I am in default on this note you have, but are not limited to,
the following remedies:
 (1) You may demand immediate payment of all I owe you under this note
 (principal, accrued unpaid interest and other accrued charges).
 (2) You may set off this debt against any right I have to the payment of
  money from you, subject to the terms of the " Set-off" paragraph herein,
 (3) You may demand security, additional security, or additional parties to
  be obligated to pay this note as a condition for not using any other
  remedy.
 (4) You may refuse to make advances to me or allow purchases on credit by
  me.
 (5) You may use any remedy you have under state or federal law.
By selecting any one or more of these remedies you do not give up your right
to later use any other remedy.  By waiving your right to declare an event to
be a default, you do not waive your right to later consider the event as a
default if it continues or happens again.
COLLECTION COSTS AND ATTORNEY'S FEES: I agree to pay all costs of collection,
replevin or any other or similar type of cost if I am in default.  In
addition, if you hire an attorney to collect this note, I also agree to pay
any reasonable fee you incur with such attorney plus court costs (except
where prohibited by law).  I agree that reasonable attorneys' fees shall be
construed to mean 10% of the principal sum named in this note, or such larger
fee that the court may determine to be reasonable and just.  To the extent
permitted by the United States Bankruptcy Code, I also agree to pay the
reasonable attorney's fees and costs you incur to collect this debt as
awarded by any court exercising jurisdiction under the Bankruptcy Code.
WAIVER: I give up my rights to require you to do certain things.  I will not
require you to:
 (1) demand payment of amounts due (presentment);
 (2) obtain official certification of nonpayment (protest); or
 (3) give notice that amounts due have not been paid (notice of
  dishonor).
I waive any defenses I have based on suretyship or impairment of collateral.
To the extent permitted by law, I also waive my right to a trial by jury in
respect to any litigation arising from this note and any other agreement
executed in conjunction with this credit transaction.
OBLIGATIONS INDEPENDENT: I understand that I must pay this note even if
someone else has also agreed to pay it (by, for example, signing this form or
a separate guarantee or endorsement).  You may sue me alone, or anyone else
who is obligated on this note, or any number of us together, to collect this
note.  You may do so without any notice that it has not been paid (notice of
dishonor).  You may without notice release any party to this agreement
without releasing any other party.  If you give up any of your rights, with
or without notice, it will not affect my duty to pay this note.  Any
extension of new credit to any of us, or renewal of this note by all or less
than all of us will not release me from my duty to pay it. (Of course, you
are entitled to only one payment in full.) I agree that you may at your
option extend this note or the debt represented by this note, or any portion
of the note or debt, from time to time without limit or notice and for any
term without affecting my liability for payment of the note.  I will not
assign my obligation under this agreement without your prior written
approval.
CREDIT INFORMATION: I agree and authorize you to obtain credit information
about me from time to time (for example, by requesting a credit report) and
to report to others your credit experience with me (such as a credit
reporting agency).  I agree to provide you, upon request, any financial
statement or information you may deem necessary.  I warrant that the
financial statements and information I provide to you are or will be
accurate, correct and complete.
NOTICE:  Unless otherwise required by law, any notice to me shall be given by
delivering it or by mailing it by first class mail addressed to me at my last
known address.  My current address is on page 1. I agree to inform you in
writing of any change in my address.  I will give any notice to you by
mailing it first class to your address stated on page 1 of this agreement, or
to any other address that you have designated.

<TABLE>
<CAPTION>
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  DATE OF      PRINCIPAL    BORROWER'S     PRINCIPAL      PRINCIPAL    INTEREST     INTEREST     INTEREST
TRANSACTION     ADVANCE      INITIALS      PAYMENTS        BALANCE       RATE       PAYMENTS       PAID
                          (not required)                                                         THROUGH
<S>            <C>          <C>            <C>            <C>          <C>          <C>          <C>
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
   /  /        $                           $              $                   %     $             /  /
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</TABLE>ADDENDUM TO PROMISSORY NOTE

     FOR VALUE RECEIVED, the undersigned, Medicore, Inc., a Florida corpora-
tion, acknowledges the receipt from Dialysis Corporation of America, a
Florida corporation and 64.9% owned subsidiary of Medicore, Inc., of the
Additional Sum as defined in the Promissory Note issued to Dialysis
Corporation of America dated January 27, 2000 ("Promissory Note"), which
Additional Sum aggregates Five Hundred Thousand Dollars ($500,000.00).  The
receipt of the Additional Sum increases the aggregate borrowing from Dialysis
Corporation of America and the aggregate amount owed by Medicore, Inc. under
the Promissory Note to Two Million Dollars ($2,000,000.00).  The Additional
Sum is subject to all the terms and conditions of the Promissory Note, which
will continue in full force and effect.

                                       MEDICORE, INC.

                                          /s/ Thomas K. Langbein

                                       By:--------------------------------
                                          THOMAS K. LANGBEIN, Chairman
                                          of the Board, CEO and President

Dated:  March 27, 2000

                            ACKNOWLEDGEMENT

STATE OF NEW JERSEY  )
                     :   ss.:
COUNTY OF BERGEN     )

     Before me personally appeared THOMAS K. LANGBEIN, as Chairman of the
Board, CEO and President of MEDICORE, INC., a Florida corporation, to me
well known and known to me to be the person described in and who executed
the foregoing instrument, and acknowledged to and before me that he
executed said instrument of the purposes therein expressed, on behalf of
the corporation.

     WITNESS my had and official seal, this 27th day of March, 2000.

                                       /s/ Nancy A. Cox

                                       -----------------------------------
                                       Notary Public, State of New Jersey
                                       My commission expires:
                                       March 6, 2005
                                       [NOTARIAL SEAL]

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