WALTHAM, Mass.--(BUSINESS WIRE)--Thermo Fisher Scientific Inc. (NYSE: TMO) ("Thermo Fisher†) announced today that it has priced an offering of $2.5 billion aggregate principal amount (the "Offering†) of the following notes: $500 million aggregate principal amount of its 4.200% senior notes due 2031 (the "2031 notes†) at the issue price of 99.874% of their principal amount; $750 million aggregate principal amount of its 4.473% senior notes due 2032 (the "2032 notes†) at the issue price of 100.00. ...