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Exhibit 10.19

AMENDMENT
to
Credit Facility Agreement
(the "Amendment")

    The undersigned,

1.FEI Company, having its registered seat at 7451 N.W. Evergreen Parkway,
Hillsboro, Oregon, United States of America, 97124-5830;

2.Philips Electron Optics International B.V., having its registered seat at
Achtsteweg Noord 5, 5651 GG, Eindhoven, the Netherlands,

    (hereinafter called the "Borrowers")

and

3.Koninklijke Philips Electronics N.V., having its registered seat at
Groenewoudseweg 1, 5621 BA Eindhoven, The Netherlands (hereinafter called
"Lender"),

WHEREAS

•the parties have signed a credit facility agreement dated February 25, 1999 for
an amount of US$ 50,000,000,—(hereinafter called the "Facility")

•the parties wish to amend articles 2.1 and 13, paragraph 4 under b of the
Facility;

NOW THEREFORE the parties hereby agree as follows:

1.The parties agree to amend article 2.1, article 6.2 under c and article 13.4
under b of the credit facility agreement to read as follows:

    2.1  Amount

The lender grants to the Borrowers a total credit facility of 75 million
US-Dollars (or its equivalent from time to time in Optional Currencies). This
amount may be reduced by FEI in accordance with Clause 15 hereof (partial
cancellation).

    6.2

(c)  As the Credit Facility is revolving, any amount prepaid before the Final
Maturity Date will remain available for re-borrowing on the terms and conditions
of this Agreement.

    13.4

(b)  the Stockholders' Equity will in the years 2000 and 2001 not be less than
US-Dollars 150 million;

2.This amendment will become effective as from the 21st of August, 2000.

3.This amendment is governed by and shall be construed in accordance with the
law of the Netherlands.

1

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THUS AGREED in three original copies on August 21, 2000 by

FEI Company   Koninklijke Philips Electronics N.V.
/s/ JOHN S. HODGSON   

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John S. Hodgson
Sr. Vice President and Chief Financial Officer
 
/s/ P. J. W. M. WARMERDAM   

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/s/ MARK V. ALLRED   

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Mark V. Allred
Corporate Controller
 
/s/ A. J. A. RUHE   

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Philips Electron Optics International B.V.
 
 
/s/ WOUTER DER WEDUWEN   
 
/s/ NICO VRIJENHOEK   

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Wouter der Weduwen
Controller   Nico Vrijenhoek
Director

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AMENDMENT to Credit Facility Agreement (the "Amendment")