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We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-229951) and Form S-8 (Nos. 33-51189, 33-54347, 333-127246, 333-146068, 333-152344, 333-161939, 333-188846 and 333-220231) of Thermo Fisher Scientific Inc. of our report dated February 26, 2020 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.