UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
PROXY STATEMENT PURSUANT TO SECTION 14(a) of THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )
Filed by the Registrant [X]
Filed by a Party other than the Registrant [ ]
Check the appropriate box:
| Preliminary Proxy Statement | |||||
| Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) | |||||
| Definitive Proxy Statement | |||||
| X | Definitive Additional Materials | ||||
| Soliciting Material Pursuant to §240.14a-12 | |||||
NPK International Inc.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than Registrant)
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| X | No fee required. | ||||
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| Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. | |||||
