By a GenomeWeb staff reporter

NEW YORK (GenomeWeb News) – Thermo Fisher Scientific has closed its offering of senior notes, raising $2.2 billion.

As reported last week, the firm offered $300 million aggregate principal amount of 2.05 percent senior notes due 2014; $900 million aggregate principal amount of 3.2 percent senior notes due 2016; and $1 billion aggregate principal amount of 4.5 percent senior notes due 2021.

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