Sample Business Contracts


Promissory Note and Pledge Agreement - Cepheid and Allen Northrup

Promissory Notes


                      PROMISSORY NOTE AND PLEDGE AGREEMENT

$138,000.00                                                       April 16, 1997


     FOR VALUE RECEIVED, the undersigned ("Payee"), promises to pay to Cepheid,
a California corporation ("Cepheid" or "Creditor"), or its nominee, at the
offices of Creditor at 3410 Garrett, Santa Clara, CA 95054, or at such other
place as Creditor or its nominee may designate in writing, the principal sum of
One Hundred Thirty-Eight Thousand Dollars ($138,000.00), together with unpaid
and accrued interest thereon.

     1.   Interest and Term. Simple interest shall accrue during the term of
this Promissory Note at the rate of seven percent (7%) per annum. The principal
sum of this Promissory Note shall be due on April 16, 2001 along with all
unpaid and accrued interest on the unpaid principal. Prepayment of principal,
or any portion thereof, together with all unpaid and accrued interest thereon,
may be made at any time without penalty. Notwithstanding any provision set
forth above, the entire unpaid principal sum of this Promissory Note, together
with all unpaid and accrued interest thereon, shall become immediately due and
payable upon the occurrence of the following:

          A.   the commission of any act of bankruptcy by Payee, the execution
by Payee of a general assignment for the benefit of creditors, the filing by or
against Payee of any petition in bankruptcy or any petition for relief under the
provisions of the Federal Bankruptcy Act or any other state or federal law for
the relief of debtors and the continuation of such petition without dismissal
for a period of twenty (20) days or more, the appointment of a receiver or
trustee to take possession of any property or assets of Payee, or the attachment
of or execution against any property or assets of Payee;

          B.   any default of Payee's obligations under this Promissory Note,
including the failure to pay, when due the amounts payable hereunder.

     2.   Pledge and Escrow. As security for Payee's obligations under the
Promissory Note, Payee hereby pledges and escrows, with Cepheid, in a form
transferable for delivery, the Common Shares, and such additional property
received or distributed in respect of such Common Shares (collectively the
Pledged Shares and such additional property is referred to herein as the
"Pledged Collateral"). The certificate representing the Pledged Shares shall be
accompanied by a duly executed Assignment Separate From Certificate in a form
acceptable to Cepheid.
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     3.   Rights in Pledged Shares. So long as there shall exist no condition,
event or act which, with notice and lapse of time, would constitute a breach,
default or an event of default of or under, the Promissory Note, Payee shall be
entitled to exercise the voting power with respect to the Pledged Shares.

     4.   Termination of Pledge and Escrow. Upon payment in full of the
Promissory Note, the Payee shall be entitled to the return of the Pledged
Collateral. This Agreement shall terminate at the time when all of the Pledged
Collateral held hereunder has been delivered by Cepheid to Payee as provided in
this Agreement.

     5.   Successor and Assigns. This Promissory Note shall be binding upon and
inure to the benefit of Creditor and its successors and assigns.

     6.   Attorney's Fees. In the event of any action to enforce payment of
this Note, in addition to all other relief, the prevailing party in such action
shall be entitled to its reasonable attorneys' fees and expenses.

     7.   Governing Law. This Note shall be construed in accordance with the
laws of the State of California as applied to agreements among California
residents entered into and to be performed entirely within California.

     8.   Amendment. This Note shall only be amended with the written consent
of Cepheid and Payee.

     9.   Waivers. Payee hereby waives presentment, protest, demand, notice of
dishonor, and all other notices, and all defenses and pleas on the grounds of
any extension or extensions of the time of payments or the due dates of this
Promissory Note, in whole or in part, before or after maturity, with or without
notice. No renewal or extension of this Promissory Note, no release or
surrender of any collateral given as security for this Promissory Note, and no
delay in enforcement of this Promissory Note or in exercising any right or
power hereunder, shall affect the liability of Payee.

     IN WITNESS WHEREOF, this Promissory Note has been duly executed by the
undersigned, on the day and year first set forth above.


                                        /s/ ALLEN NORTHRUP
                                        ----------------------------------------
                                        Allen Northrup

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