Trinseo - Investors - Corporate Governance

Frank A. Bozich , , , President and Chief Executive Officer

Frank Bozich is President and Chief Executive Officer of Trinseo, a global materials solutions provider and manufacturer of plastics, latex binders, and synthetic rubber.

Bozich joined Trinseo on March 4, 2019. In his role as Trinseo's President and CEO, he leads the company in delivering innovative and sustainable solutions to help our customers create products that are intrinsic to how we live our lives — across a wide range of end-markets, including automotive, consumer electronics, appliances, medical devices, electrical, carpet, paper and board, building and construction, and tires.

Bozich was most recently President and CEO of SI Group, a global specialty chemical company, from 2013-2019. SI Group is headquartered in Schenectady, New York, and operates 30 manufacturing facilities on five continents with more than $2 billion in annual sales and over 3,000 employees worldwide.

As CEO at SI Group, Bozich grew the company’s chemical intermediates and specialty resins businesses in serving a wide range of market segments including industrial and consumer goods, rubber resins, plastic additives, adhesives, and engineering plastics. During his tenure, SI Group completed an acquisition of businesses from Albemarle Corporation, expanded operations in Brazil, China and the U.S., and was recognized for accomplishments in corporate social responsibility, Responsible Care®, and employee engagement.

Prior to joining SI Group, Bozich held several executive management positions at BASF. During his seven-year tenure at the company, he served as President of BASF's Catalysts Division; Group Vice President of Precious and Base Metal Services; and Group Vice President of the Integration Management Office. In 2018, SI Group was acquired by SK Capital Partners and combined with Addivant, another specialty additives company owned by SK Capital.

Prior to SI Group, Bozich was Group Vice President, Enterprise Technologies and Ventures at Engelhard Corporation, which was acquired by BASF in 2006. He has also held leadership positions at Rohm and Haas, now a wholly owned subsidiary of The Dow Chemical Company; Croda Adhesives, Inc.; and Apex Adhesives, which he founded in 1986.

Bozich serves as a director of OGE Energy Corp. (NYSE: OGE), an Oklahoma-based gas and electric utility company. He previously served on the Board of Trustees of Ellis Medicine, a hospital in Schenectady, New York.

Bozich holds a bachelor's degree in Chemistry and a master's degree in Business Administration from the University of Chicago, as well as a master's degree in Chemistry from the University of Illinois.

Bozich will be based at Trinseo’s global operations center in Berwyn, PA, U.S.A.

Christopher D. Pappas , , , Special Adviser to the CEO

Christopher D. Pappas was named Special Adviser to the CEO on March 4, 2019 after serving as President and Chief Executive Officer of Trinseo for nine years, from March 2010 to March 2019.

Pappas brings to Trinseo a 35-plus year distinguished career and proven operating experience in the chemicals and plastics industry, and is an accomplished leader of complex global businesses. In his role as Trinseo's President and CEO, he leads the company's commitment to help customers meet their needs with innovative new products and sustainable solutions.

Pappas started his career at The Dow Chemical Company, where he gathered industry experience in a number of sales and managerial positions between 1978 and 1996.

In 1996 he joined DuPont Dow Elastomers LLC where he held several leadership positions, initially as Vice President of Ethylene Elastomers and from 1999 onwards as Commercial Vice President.

He joined NOVA Chemicals Corporation in 2000. At Nova, he assumed roles with increasingly global responsibilities, as Senior Vice President & President, Styrenics (2000-2006), Chief Operating Officer (2006-2008), President and Chief Operating Officer (2008-09), and finally as President and CEO (2009).

He was named to lead Trinseo (formerly known as Styron) in March 2010, and assumed the role in June 2010 upon the sale of Trinseo from Dow to Bain Capital Partners in June 2010. Pappas serves on the Executive Leadership Team and the Board of Directors of Trinseo S.A.

Pappas also serves on the Board of Directors for FirstEnergy Corp. (NYSE: FE) and Univar Inc. (NYSE: UNVR). Previously, he has served on the Board of Directors for Methanex Corp., NOVA Chemicals Corporation, and Allegheny Energy, Inc.

In 2017, Pappas received the Leadership Award for Outstanding Corporate Reinvention from The Chemical Marketing and Economics (CME) group of the American Chemical Society’s New York Section for his visionary leadership, focus on safety and technology, financial discipline, and for Trinseo’s growth which tripled in value during the preceding three years.

Pappas holds a Bachelor of Science degree in Civil Engineering from The Georgia Institute of Technology and an MBA from The Wharton School of Business at The University of Pennsylvania. He is a member of the External Advisor Board for Georgia Tech’s School of Civil & Environmental Engineering.

He is married and has three children.

Barry Niziolek , , , Executive Vice President and Chief Financial Officer

Barry Niziolek joined Trinseo in June of 2016 as Executive Vice President and Chief Financial Officer of the company. In this role, Niziolek is responsible for corporate financial reporting, audit, treasury, tax, internal controls and corporate governance. He reports to Frank Bozich and is a member of the Executive Leadership Team.

Niziolek was most recently Vice President and Controller at DuPont, where he had extensive experience in finance leadership, governance and compliance, board interactions, mergers and acquisitions, risk management, corporate planning, new business development, and investor relations.

During his 34 years at DuPont, Niziolek held a wide range of Finance roles, including CFO for the titanium dioxide and coatings businesses, as well as CFO for the crop protection business. He also served as CFO for DuPont’s Mexico operations, where he was based in Mexico City. Other DuPont assignments included investor relations, information systems, business analysis and accounting. He began his career at KPMG as a Senior Auditor.

Niziolek serves on the Finance Committee of Christiana Care Health Systems.

Niziolek holds a Master of Business Administration from the University of Delaware and a Bachelor’s degree in Accounting from Wilkes University. He is a Certified Public Accountant.

Angelo Chaclas , , , Senior Vice President and Chief Legal Officer

Angelo Chaclas was named Senior Vice President and Chief Legal Officer in January 1, 2015. In his role, Chaclas supports all capital markets, transactional, compliance, commercial, regulatory, governance, intellectual property and other operational activities of the company worldwide. This includes responsibility for all governance activities of the Board of Directors as a U.S. public company, all governance activities of the company and its affiliates under Luxembourg laws, rules and regulations, and applicable compliance in all other regulatory jurisdictions. Chaclas reports to Frank Bozich, President and CEO of Trinseo and is a member of the Executive Leadership Team.

Chaclas brings to the company a 30-year career in the legal and engineering industries. Chaclas joined Trinseo (formerly known as Styron) in December 2010 as the Associate General Counsel – Division Counsel & Chief IP Counsel, which included holding global responsibility for all intellectual property matters, working closely with the Research and Development organization on patents, trade secrets, trademarks, technology licensing agreements, and joint development agreements. He also managed commercial legal activities for several Styron businesses, and established internal best practices and optimized law firm relationships during the company’s start-up phase.

Prior to joining Trinseo, Chaclas served as Deputy General Counsel and Chief Counsel for the software division of Pitney Bowes while leading its Intellectual Property, Technology Law and Procurement legal functions.

From 2001 to 2010, Chaclas served on the Board of Directors for the Intellectual Property Owners Association, holding a position on the Executive Committee from 2008 to 2010 in addition to Treasurer during his last year. Chaclas has also served on the Board of Directors for the Association of Corporate Patent Counsel from 2003 to 2013. During that time, Chaclas held a seat on the Executive Committee from 2008 until 2011 in addition to his role as President in 2011. Today, Chaclas serves on the Board of Directors for the Unionville Sports Council as President.

Chaclas holds a bachelor’s degree in Mechanical Engineering from Tufts University and a Juris Doctorate from Pace University School of Law.

Alice Heezen , , , Senior Vice President, Human Resources

In 2018, Alice Heezen was named Senior Vice President of Human Resources and joined Trinseo’s Executive Leadership Team.

Heezen joined Trinseo in 2017 as Director of Human Resources for Europe, Middle East, and Africa region. Previously, she served as Head of Human Resources for ADAMA Agricultural Solutions Europe (2013-2016). Prior to that, she was the Global Head of Human Resources & Change at Fiberweb Plc, a London listed global specialty industrial and construction materials business (2010-2013) and held other senior HR leadership roles at BG Group, a global oil and gas company (2005-2009); and REXAM Plc, a global consumer packaging company (2001-2005).

Early in her career, Heezen worked for Hay Management Consultants. She began her career at Andersen Consulting in 1994 as a change management consultant.

Heezen holds a master’s degree in Social and Organizational Psychology from University of Leiden, The Netherlands. She is based in the Horgen office and reports to Trinseo’s President and CEO, Frank Bozich.

Jeff Denton , , , Senior Vice President for Corporate Development and Business Services

Jeff Denton was named Senior Vice President for Corporate Development and Business Services in October of 2014. In this role, he is responsible for I/T, Facilities Management, Dow services, Corporate Development and Mergers and Acquisitions.

Denton also serves on the Executive Leadership Team of the company, and the Operating Committee of the Board of Directors.

Denton joined Trinseo (formerly known as Styron) upon its sale from Dow to Bain Capital Partners in June 2010, and was named Vice President, Feedstocks and Corporate Services.

Denton’s career in the chemical industry spans over 25 years. He joined The Dow Chemical Company in Midland, Michigan in 1987 in the Commercial Development Program. In 1988, Denton transferred to the Cleveland Sales Office, where he served as field sales representative in the Basic Chemicals business. In 1994, he returned to Midland and served in various marketing and commercial roles for the Engineering Plastics and Styrenics business at Dow. In 2004, Denton took over leadership of North America Polystyrene as the Polystyrene product director. In this role, he was instrumental in the strategic transformation of Styrenics at Dow. In 2007 and 2008, he led commercial aspects of the creation of the Americas Styrenics joint venture.

After completion and launch of the Americas Styrenics joint venture, Denton moved into Basic Plastics at Dow and was named director, joint venture implementation. In this role he worked on another strategic transformation involving the JV between Dow and the Kuwait Petrochemical Company (KPC), formally known as K-Dow. Denton worked on venture creation and implementation activities and negotiated product supply agreements between Dow, KPC and the venture. When the JV was halted days before start-up, he continued the theme of strategic transformation and moved immediately into similar work for the creation of Styron. In August of 2009, after the business concept was firmly in place, Denton was named to the management team of the Styron Division of Dow, and then moved to Styron upon its formation in June 2010.

Denton serves on the Board of Directors for Americas Styrenics and other local associations in the Midland area.

Denton earned a B.A. in Business Administration from Alma College in Alma, Michigan, in 1987.

Catherine Keenan , , , Vice President, Public Affairs, Sustainability and Environment, Health and Safety

Catherine Keenan is Vice President, Public Affairs, Sustainability, and Environment, Health and Safety. Keenan serves on the Executive Leadership Team of the company and reports to the CEO. Her responsibilities include industry affairs, public policy, brand, internal and external communications, media relations, crisis management, corporate social responsibility, sustainability and EH&S.

She joined the company, called Styron at that time, in 2010 as Vice President of Public Affairs, Government Affairs and Business Intelligence. She was named to her current role in 2013. Keenan began her career with The Dow Chemical Company in 1988 and held a variety of leadership roles in corporate communications, marketing communications, public relations, media relations, community relations, industry affairs, and issues management.

Keenan serves on the Editorial Advisory Board of Chemistry and Industry magazine, as well as the Board of Overseers for the Chemical Heritage Foundation. She was elected to the Arthur W. Page Society in 2011, and is accredited in public relations (APR) by the Public Relations Society of America. She is an alumna of Leadership Philadelphia and is currently a member of the Board of Governors for Valley Youth House - Greater Philadelphia.

She holds a bachelor’s degree in Journalism/Science Writing and a minor in Chemistry from Lehigh University. She completed the course on Transformational Leadership at the Darden Graduate School of Business Administration, University of Virginia.

She resides in Philadelphia, Pennsylvania, and has one daughter.

Hayati Yarkadas , , , Senior Vice President and Business President

Hayati Yarkadas joined Trinseo in November of 2015 as Senior Vice President and Business President for the Performance Materials Division. Since joining the Company, his position was expanded to include responsibility for Global Procurement and the Asia Pacific region while continuing lead the Latex Binders and Synthetic Rubber business segments.

Yarkadas brings to the company more than 20 years of experience in materials businesses and proven track record of business management and leadership skills.

Prior to joining Trinseo, Yarkadas led the food ingredient business of Tate & Lyle in Europe as Senior Vice President and General Manager, based in London. Prior to that, Yarkadas spent over 17 years with DuPont in many different countries across the world after completing his MBA.

Most recently Yarkadas served as General Manager of the DuPont Teijin Films joint venture, where he was responsible for the whole P&L and transformation of the business. Previously, he was Global Business Director for DuPont Advanced Glass Interlayers and held a series of roles in sales, sales management, Six Sigma, marketing, product management and business management in plastics and chemicals.

Throughout his career, Yarkadas gained significant operating and global leadership skills with various roles in Turkey, the UK, Switzerland, the US, and Luxembourg. He started his career in manufacturing and R&D at Borusan Mannessmann, where he gained operation experience early in his career.

Yarkadas has a master’s degree in Mechanical Engineering from Istanbul Technical University and an MBA from Imperial College London. He reports to Frank Bozich, President and Chief Executive Officer of Trinseo, and is a member of the company’s Executive Leadership Team. Yarkadas is based in Trinseo’s Horgen, Switzerland office.

Yarkadas is married and has two daughters.

Tim Stedman , , , Senior Vice President and Business President

Tim Stedman is Senior Vice President and Business President for the Plastics and Feedstocks businesses and Global Supply Chain for Trinseo. In this role, he is responsible for business leadership for Performance Polymers, Polystyrene and Styrene Monomer. He serves on the board of Americas Styrenics, a joint venture between Trinseo and Chevron Phillips Chemical in North America for Polystyrene and Sytrene Monomer. Stedman also represents Trinseo on the operating committee of the Plastics Division of the American Chemistry Council and is a member of the Steering Board of PlasticsEurope.

Prior to joining Trinseo, Stedman spent more than 20 years with ExxonMobil Chemical working in the U.K., the U.S. and Belgium. Most recently, Stedman was the European Business Director for ExxonMobil Chemical’s Basic Chemicals business, and prior to that was the Site Manager for the Fife Ethylene Plant (steam cracker) in Scotland. Stedman previously served on the boards of Petrochemicals Europe and the European Petrochemical Association and was also a member of the Energy and Climate Change Leadership Group of the International Council of Chemical Associations (ICCA).

Stedman holds a degree in Chemical Engineering with French from the University of Manchester Institute Of Science and Technology, U.K., and the Ecole Nationale Supérieure des Industries Chimiques, Nancy, France. He is also a Chartered Engineer and a Fellow of the Institute of Chemical Engineers (U.K.).

He reports to Frank Bozich, President and Chief Executive Officer of Trinseo, and is a member of the company’s Executive Leadership Team.

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