-  Unless  otherwise agreed in writing, notices may be given to the Bank and the  Guarantor at their telecopier numbers (confirmed by telephone to their  telephone numbers) or addresses listed below, or such other telecopier (and  telephone) number or addresses communicated in writing by either party to  the other.  Notices to the Bank are effective on  receipt. 
    -  Notwithstanding  anything to the contrary set forth herein, for purpose of this Guaranty the  Facilities of the Borrower guaranteed shall be limited to those arisign under  and in connection with the Revolving Promissory Note (Libor/Prime) dated as of  December 23, 2006 by the Borrower in favor of the Bank in the maximum  principal amount of $10,000,000, as amended from time to time (the "Note") or  any other "Facility Document" (as defined in the Note), together with every  renewal, extension, amendment, modification, substitution and /or replacement  thereof, each of which together with this Guaranty and any other writing or  record evidencing, supporting, securing or delivered in connnection with the  foregoing shall be considered a Ficility Document for purposes of this  Guaranty. 
    -  Clause  (b) of the second sentence of the paragraph of the Guaranty titled "Guaranty  Absolute" is hereby ameded by inserting the words "(any change in the value of  any collateral or failure of the Bank to monitor the value of any collateral)"  immediately following the words "release or non-perfection of any  collateral". 
    -  The  Guaranty, as amended by this Amendment, remains in full force and  effect. 
    -  The  Amendment shall be governed by and construed in accordance with the laws of  the State of New York, without regard to conflicts of lawsa  principles. 
    -  This  Amendment may be executed in any number of counterparts and by different  parties hereto in separate counterparts, each of which shall be deemed to be  an original, but all of which taken together shall constitute one in the same  instrument.IN  WITNESS WHEREOF, the parties have caused this Amendment to be duly executed  and delivered as of the date first above written.JPMorgan  Chase Bank, N.A.By:           J.P.  Morgan Trust Company, N.A.By:       /s/  Nancy A.  Sheppard                                                           Nancy  A. Sheppard            Managing  DirectorAddress  for notices to the Bank:JPMorgan  Chase Bank, N.A.Private  Bank CreditAttn: Patricia  DeLeo345  Park Avenue, Floor 04New  York, NY 10154-0004Telecopier:  (212)  464-2531Telephone:  (212)  464-1883With a  courtesy copy toJPMorgan  Chase Bank, N.A.Attn:  Nancy  A. Sheppard560  Mission Street, 12th floorSan  Francisco, CA 94105Telecopier:  415  315 8272Telephone:  415  315 8285/s/ Gerald J.  BurnettGerald  J. BurnettAddress for  notices:202  Camino  Al LagoAtherton,  CA 94027Telecopier:  650.322.2060Telephone: 650.322.2060Gerald J. Burnett and Marjorie  J. Burnett, as Trustee for The Gerald J. Burnett and Marjorie J. Burnett  Revocable Trust             /s/  Gerald J. BurnettBy:       Gerald J.  Burnett                             /s/ Marjorie J. BurnettBy:      Marjorie J.  Burnett                                                                       Address  for notices:202  Camino  Al LagoAtherton,  CA 94027Telecopier:  650.322.2060Telephone: 650.322.2060