SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported): April 20, 2004
MKS Instruments, Inc.
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(Exact name of registrant as specified in charter)
Massachusetts 0-23621 04-2277512
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(State or other jurisdiction of (Commission (IRS Employer
incorporation) File Number) Identification No.)
90 Industrial Way, Wilmington, Massachusetts 01887
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(Address of principal executive offices) (Zip Code)
Registrant's telephone number, including area code: (978) 284-4000
Six Shattuck Road, Andover, Massachusetts 01810
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(Former name or former address, if changed since last report)
ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION
On April 20, 2004, MKS Instruments, Inc. announced its financial results
for the quarter ended March 31, 2004. The full text of the press release issued
in connection with the announcement is attached as Exhibit 99.1 to this Current
Report on Form 8-K.
The information in this Form 8-K and the Exhibit attached hereto shall not
be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of
1934 (the "Exchange Act") or otherwise subject to the liabilities of that
section, nor shall it be deemed incorporated by reference in any filing under
the Securities Act of 1933 or the Exchange Act, except as expressly set forth by
specific reference in such a filing.
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.
Date: April 20, 2004 MKS Instruments, Inc.
By: /s/ Ronald C. Weigner
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Ronald C. Weigner,
Vice President & Chief Financial Officer
EXHIBIT INDEX
Exhibit No. Description
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99.1 Press release dated April 20, 2004