Item 4. Mine Safety Disclosures

Not applicable.

EXECUTIVE OFFICERS OF THE REGISTRANT

Listed below are our executive officers as of February 25, 2014. No family relationship exists between any one of these officers and any of the other executive officers or directors.

Robert F. Friel, 58. Mr. Friel was named our Chief Executive Officer in February 2008. Mr. Friel joined us in February 1999 as our Senior Vice President and Chief Financial Officer. In 2004, he was named Executive Vice President and Chief Financial Officer with responsibility for business development and information technology, in addition to his oversight of the finance function. In January 2006, he was named our Vice Chairman, President of Life and Analytical Sciences and elected to our Board. In July 2007, he was named President and Chief Operating Officer, effective August 1, 2007. From 1980 to 1999, he held several senior management positions with AlliedSignal, Inc., now Honeywell International. He holds a Bachelor of Arts degree in economics from Lafayette College and a Master of Science degree in taxation from Fairleigh Dickinson University. Mr. Friel is currently a director of CareFusion Corporation and Xylem Inc., and has served as a director of Fairchild Semiconductor Corp. and Millennium Pharmaceuticals, Inc. He also previously served on the national board of trustees for the March of Dimes Foundation.

Frank A. Wilson, 55. Mr. Wilson joined us in May 2009 and is our Senior Vice President and Chief Financial Officer. Prior to joining us in May 2009, Mr. Wilson held key financial and business management roles over 12 years at the Danaher Corporation, including Corporate Vice President of Investor Relations; Group Vice President of Business Development; Group Vice President of Finance for Danaher Motion Group; President of Gems Sensors; and Group Vice President of Finance for the Industrial Controls Group. Before joining Danaher, Mr. Wilson worked for several years at AlliedSignal Inc., now Honeywell International, where he last served as Vice President of Finance and Chief Financial Officer for Commercial Aviations Systems. Prior to joining AlliedSignal Inc., he worked at PepsiCo Inc. in financial and controllership positions of increasing responsibility, E.F. Hutton and Company, and KPMG Peat Marwick. Mr. Wilson received a Bachelor’s degree in business administration from Baylor University and is also a Certified Public Accountant.

Joel S. Goldberg, 45. Mr. Goldberg joined us in July 2008 as our Senior Vice President, General Counsel and Secretary. Prior to joining us in July 2008, Mr. Goldberg served as Vice President, Chief Compliance Officer and Secretary for Millennium Pharmaceuticals, Inc. During his seven years with Millennium, he focused in the areas of mergers and acquisitions, strategic alliances, investment and financing transactions, securities and healthcare related compliance, and employment law. Before joining Millennium, Mr. Goldberg was an associate at the law firm of Edwards & Angell, LLP, focusing on emerging companies, venture capital, securities and merger-related work. Mr. Goldberg graduated from the Northeastern University School of Law and also holds a Masters in Business Administration from Northeastern University. He completed his undergraduate degree at the University of Wisconsin-Madison.

Daniel R. Marshak, 56. Dr. Marshak was appointed our Senior Vice President in April 2008, having joined us as our Chief Scientific Officer in May 2006. In addition to these responsibilities, in May 2010, Dr. Marshak was appointed President of our Emerging Diagnostics business. Dr. Marshak previously held the position of President, Greater China for us. Prior to joining us, Dr. Marshak was with Cambrex Corporation since 2000, most recently as Vice President and Chief Technology Officer for Biotechnology. Dr. Marshak also previously held the positions of Senior Vice President and Chief Scientific Officer for Osiris Therapeutics, Inc. and Senior Staff Investigator, Cold Spring Harbor Laboratory. Dr. Marshak received his Bachelor of Arts degree in biochemistry and molecular biology from Harvard University, and his doctorate in biochemistry and cell biology from The Rockefeller University. Dr. Marshak performed postdoctoral research in pharmacology at Vanderbilt University and the National Institute of Health. Dr. Marshak is the author of more than 100 scientific publications and an inventor on six United States patents.

John R. Letcher, 52. Mr. Letcher was appointed our Senior Vice President of Human Resources, in February 2010. He joined us in 1999 as our Vice President of Human Resources for the Optoelectronics business unit and, in 2003, was named Vice President of Human Resources for the Life and Analytical Sciences business unit. In 2008, Mr. Letcher was named our Vice President Human Resources for all of our business units. Previously, he served as Director of Human Resources of ABB Americas, Inc., the U.S. subsidiary of an international engineering company. Prior to that, Mr. Letcher held the positions of Business Controller in ABB Americas, Inc.’s US Power Generation Gas Turbine Power business; Vice President of Finance for General Ship Corporation and Senior Auditor for Arthur Andersen. Mr. Letcher holds a Bachelor of Science degree in accounting and information technology from Boston College.

James Corbett, 51. Mr. Corbett was appointed our Senior Vice President of Diagnostics / Life Sciences and Technology in May 2013. He joined us in November 2007 as President for the ViaCord business unit through the acquisition of ViaCell, Inc. Mr. Corbett also has served as Vice President and General Manager of the Americas for the Diagnostics business unit and has been President of our Diagnostics business unit since May 2010. Prior to joining us, he held positions in Abbott Laboratories, BioChem Immunosystems, CADx Systems, and iCad. Mr. Corbett holds a Bachelor of Science degree in business from the University of Massachusetts.

Jon DiVincenzo, 48. Mr. DiVincenzo was appointed Senior Vice President and President of our Environmental Health business in November 2013. Prior to joining us, Mr. DiVincenzo served as the President and Chief Executive Officer of Enzymatics, a provider of molecular biology reagents, in 2013. From 1994 through 2012, Mr. DiVincenzo worked at Millipore Corporation, where he last served as President of the bioscience division and also led the lab water business. Mr. DiVincenzo holds a Bachelor of Science degree in mechanical engineering from Northeastern University where he currently serves on the College of Engineering's Advisory Council. He is also a member of the Corporate Executive Board for Innovation and former member of the Board of Directors of the Analytical Life Sciences and Diagnostics Association.

Maurice (Dusty) H. Tenney, III, 50. Mr. Tenney was appointed our Senior Vice President and President, Global Operations and Customer Logistics in November 2013. He joined us in 2001 as Vice President of Global Operations for the Analytical Instruments business unit and, in 2004, was named President of our Laboratory Services business unit. In 2009 he was appointed President of our Environmental Health business unit (formerly known as our Analytical Sciences and Laboratory Services business unit). Prior to joining us, he held positions with Honeywell, Lockheed Martin and GE Aerospace. Mr. Tenney holds a Bachelor of Science degree in mechanical engineering from the University of Maryland and a Master of Science degree in mechanical engineering from the University of Vermont.

Andrew Okun, 44. Mr. Okun was appointed our Vice President and Chief Accounting Officer in April 2011. He joined us in 2001 as part of the controllership organization for the Optoelectronics business unit and over the next eight years Mr. Okun assumed positions of increasing responsibility in the areas of controllership and financial planning and analysis, including serving as Controller for the Optoelectronics business unit. In 2009, Mr. Okun was named our Vice President and Corporate Controller. Prior to joining us, he held positions with Honeywell, ultimately becoming the Site Controller for its Commercial Avionics business, and the position of Senior Tax Associate for Coopers & Lybrand. Mr. Okun holds a Bachelor of Arts degree in economics from the University of California at Santa Barbara, a Masters in Business Administration from the University of Virginia, and is a Certified Public Accountant.

PART II