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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
(Rule 14a-101)
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934 (Amendment No.__ )
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| þ | Filed by the Registrant | ¨ | Filed by a Party other than the Registrant | 
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| 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 | 
| þ |   | Definitive Additional Materials | 
| ¨ |  | Soliciting Material Pursuant to Section 240.14a-12 | 
Thermo Fisher Scientific Inc.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)
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| PAYMENT OF FILING FEE (CHECK ALL BOXES THAT APPLY): | 
| þ |   | No fee required. | 
| ¨ |  | Fee paid previously with preliminary materials. | 
| ¨ |  | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.  |