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Board of Directors

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Kirk K. Calhoun, Director

Kirk K. Calhoun joined the Board of Directors as the chairman of the Audit Committee upon the completion of the Company’s IPO in August, 2014. Mr. Calhoun joined the public accounting firm Ernst & Young, LLP in 1965 and served as a partner of the firm from 1975 until his retirement in 2002. Mr. Calhoun has a B.S. in Accounting from the University of Southern California. He currently serves on the Board of Directors and Audit Committees of NantHealth, Inc. and PLx Pharma, Inc., as well as on the board of directors of three private companies. Previously, Mr. Calhoun served on the boards of several public companies up until the dates of their respective sales, including Abraxis Bioscience, Inc., Myogen, Inc., Aspreva Pharmaceutical Corporation, Adams Respiratory Therapeutics, Inc., and Replidyne, Inc. Mr. Calhoun’s experience serving on public company audit committees and boards of directors and his past work as a partner with Ernst & Young, LLP has led the Board of Directors to conclude that Mr. Calhoun has the requisite expertise to serve as a director of the Company and qualifies as a financial expert for audit committee purposes.

Court Carruthers, Director

Court D. Carruthers serves as President and CEO of TricorBraun, Inc., a global packaging solutions company, where he is also a director. He is the founder and principal of CKAL Advisory Partners, LLC. He previously served as Senior Vice President and Group President, Americas, of W.W. Grainger, Inc., a broad-line supplier of maintenance, repair and operating (MRO) products, from 2013 until July 2015. Prior to that time, he had served as President, Grainger U.S., from 2012 until 2013; President, Grainger International, from 2009 until 2012; and President, Acklands-Grainger, from 2006 until 2009. He was appointed a Senior Vice President of Grainger in 2007. Mr. Carruthers serves as a director of US Foods Holding Corp. He is a past director of a number of private and public companies including Monotaro, PSS Companies, Shoes for Crews, Follett Corp., and Foundation Building Materials. Mr. Carruthers currently serves on the boards of WC Hockey NFP and the Gorton Community Center. He is a Chartered Professional Accountant (Canada), and holds a Bachelor of Commerce degree from the University of Alberta in Edmonton, Alberta, Canada, and a Master of Business Administration from Queens University in Kingston, Ontario, Canada. His substantial prior experience as a senior executive for a large international distribution company has led the Board to conclude that Mr. Carruthers has the background and skills necessary to serve as a director of the Company.

Eva M. Kalawski, Director

Eva M. Kalawski joined Platinum in 1997, is a former Partner at Platinum and served as the firm’s General Counsel until July 2018. She currently serves as Special Counsel and Assistant Secretary of Platinum, and serves or has served as an officer and/or director of many of the firm’s portfolio companies. Prior to joining Platinum in 1997, Ms. Kalawski was Vice President of Human Resources, General Counsel and Secretary for Pilot Software, Inc. Ms. Kalawski earned a Bachelor of Political Science and French from Mount Holyoke College, Massachusetts, and a Juris Doctor from Georgetown University Law Center, Washington, D.C. Ms. Kalawski’s expertise and experience managing the legal operations of many portfolio companies has led the Board to conclude that she has the background and skills necessary to serve as a director of the Company.

Jacob Kotzubei, Director

Jacob Kotzubei joined Platinum in 2002 and is a Partner at the firm. Mr. Kotzubei serves as a director of a number of Platinum’s portfolio companies. Prior to joining Platinum in 2002, Mr. Kotzubei was a Vice President of the Goldman Sachs Investment Banking Division – High Tech Group in New York City, and the head of the East Coast Semiconductor Group. Previously, he was an attorney at Sullivan & Cromwell LLP in New York City, specializing in mergers and acquisitions. Mr. Kotzubei received a Bachelor’s degree from Wesleyan University and holds a Juris Doctor from Columbia University School of Law. Mr. Kotzubei serves on the board of directors of KEMET Corp., and Key Energy Services, Inc. Mr. Kotzubei’s experience in executive management oversight, private equity, capital markets and transactional matters has led the Board of Directors to conclude that he has the varied expertise necessary to serve as a director of the Company.

Stephen Larson, Director

Stephen P. Larson completed a 35-year career with Caterpillar Inc. in 2014 after holding multiple positions in the areas of accounting, finance, marketing and logistics. Caterpillar is the world’s leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. His senior leadership positions for Caterpillar included roles as Product Manager; Regional Manager for Canada and the Eastern United States; Vice President, Caterpillar Financial Services - Asia Pacific; Caterpillar Logistics President - Americas region; and from 2007 until his retirement, Vice President, Caterpillar Inc. and President and Chairman of Caterpillar Logistics Services, a wholly-owned subsidiary of Caterpillar Inc. From November 2015 to August 2016, Mr. Larson served as Interim Chief Executive Officer and was already a member of the board of directors of Neovia Logistics Services, LLC (formerly Caterpillar Logistics Services), a global industrial contract logistics company. Mr. Larson previously served for six years as a Commissioner on the board of the Metropolitan Airport Authority of Peoria, Illinois. He earned a Bachelor of Business Administration and a Master of Business Administration, both from Western Illinois University. Mr. Larson’s experience in accounting, finance and other areas for a large international manufacturer has led the Board to conclude that he has the background and skills necessary to serve as a director of the Company.

Philip E. Norment, Director

Philip E. Norment is a Partner at Platinum. He is a member of Platinum’s Investment Committee, and the President, Portfolio Operations, responsible for evaluating acquisition opportunities and integrating new acquisitions into the portfolio. Prior to joining Platinum in 1997, Mr. Norment served in a variety of management positions at Pilot Software, Inc., achieving the position of Chief Operating Officer. Over the course of 12 years, he worked in the areas of global support, operations, consultative services and sales support. Mr. Norment currently serves as the chairman of the board of directors and on the audit committee of Key Energy Services Inc. Mr. Norment earned a Bachelor of Economics and a Master of Business Administration from the University of Massachusetts Amherst. Mr. Norment’s experience in executive management oversight, private equity, and transactional matters has led the Board to conclude that he has the varied expertise necessary to serve as a director of the Company.

Mary Ann Sigler, Director

Mary Ann Sigler serves as Platinum’s Chief Financial Officer and Chief Compliance Officer. Ms. Sigler joined Platinum in 2004 and is responsible for overall accounting, tax and financial reporting as well as managing strategic planning projects for the firm. Prior to joining Platinum, Ms. Sigler was with Ernst & Young LLP for 25 years where she was a Partner. Ms. Sigler holds a Master of Business Taxation from the University of Southern California and a Bachelor of Arts in Accounting from the California State University at Fullerton. Ms. Sigler is a Certified Public Accountant in California, as well as a member of the American Institute of Certified Public Accountants and the California Society of Certified Public Accountants. She currently serves on the board of directors of Key Energy Services, Inc. Ms. Sigler’s experience in accounting and strategic planning matters has led the Board to conclude that she has the requisite qualifications to serve as a director of the Company and facilitate its continued growth.