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Exhibit 10.31
APPLIED MATERIALS
[APPLIED MATERIALS LOGO]
DATE: October 13, 2000
TO: Rick Siptrott
FROM: Mike Berkaw
SUBJECT: Contract Extension
Dear Rick,
I would like to extend the expiration date on our contracts 982812 and 947024
from their current expiration date to 12/29/00. All terms and conditions will
remain in full effect. Please confirm your acceptance of this extension by
signing below and returning this letter to my attention via fax number
(512) 272-3908.
/s/ R.P. Siptrott
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accepted for MKS Instruments
October 13, 2000
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date
Sincerely,
/s/ Mike Berkaw
Mike Berkaw
Chemical Delivery SMO