O. Subsequent Events:

On July 2, 2014, the Company acquired all of the issued and outstanding equity interests of Novus Holdings LLC (Novus). The Company paid $60 million for the acquisition. Novus is a supplier of a large portfolio of both outsourced and in-house developed antibodies and other reagents for life science research. The transaction was financed through cash on hand.

On July 31, 2014, the Company acquired ProteinSimple. ProteinSimple develops and commercializes proprietary systems and consumables for protein analysis. ProteinSimple was acquired for approximately $300 million, subject to adjustment following closing based on the final level of working capital of ProteinSimple. The transaction was financed through cash on hand and a revolving line of credit facility governed by a Credit Agreement dated July 28, 2014 (the Credit Agreement).

The Credit Agreement provides for a revolving credit facility of $150 million, which can be increased by an additional $150 million subject to certain conditions. Borrowings under the Credit Agreement may be used for working capital and expenditures of the Company and its subsidiaries, including financing permitted acquisitions. Borrowings under the Credit Agreement bear interest at a variable rate. The Credit Agreement matures on July 31, 2019. The Credit Agreement contains customary restrictive and financial covenants. The Credit Agreement also contains customary events of default. The Company did not make any draws on the Credit Agreement at the closing of the Credit Agreement. On July 31, 2014, the Company drew $125 million on the Credit Agreement in relation to the closing of the ProteinSimple acquisition.