| HOUSTON and LONDON, Jan.      14, 2016 /PRNewswire/ -- LyondellBasell (NYSE: LYB), one of the world's      largest plastics, chemical and refining companies, today announced several      senior leadership changes. 
 After four years with LyondellBasell,      Timothy D. Roberts, executive vice president of global Olefins and      Polyolefins has announced his decision to leave the company. Mr. Roberts      will be succeeded by Daniel M. Coombs who joined LyondellBasell last year      as executive vice president of global Intermediates and Derivatives,      Technology and Procurement. Mr. Coombs brings 30 years of experience in      petrochemicals, including leadership roles in commercial, manufacturing      and joint ventures in the Middle East.
 
 "We will miss Tim's      leadership and energy. We thank him for his significant contributions and      wish him all the best in his future endeavors," said Bob Patel,      LyondellBasell's CEO. "I feel confident that our depth of talent and prior      succession planning allows for a smooth transition and continued      industry-leading performance."
 
 James D. Guilfoyle, currently      senior vice president, global Intermediates and Derivatives, will continue      in his current role while assuming additional responsibilities for the      company's supply chain activities. For the past year, Mr. Guilfoyle has      worked closely with Mr. Coombs leading the company's global Intermediates      and Derivatives business.
 
 "As part of our strong leadership team,      Dan and Jim have made a tremendous positive impact on our business," said      Mr. Patel. "As we continue to execute our growth program, both Dan and Jim      have the business acumen, industry knowledge and leadership skills      necessary to take their functions to the next level."
 
 Mr.      Coombs and Mr. Guilfoyle will report to Mr. Patel.
 
 As part of this      transition, LyondellBasell will further expand its regional leadership by      appointing Paul Augustowski as senior vice president of Olefins and      Polyolefins in the Americas. Mr. Augustowski has over two decades of      experience in Polyolefins, in the U.S. and Europe. Richard Roudeix will      continue as the European Olefins and Polyolefins business leader. Mr.      Augustowski and Mr. Roudeix will report to Mr. Coombs.
 
 About Daniel      M. Coombs
 
 Prior to joining LyondellBasell, Mr. Coombs held several      senior executive roles with Chevron Phillips Chemical Company including      senior vice president for Specialties, Aromatics and Styrenics, vice      president of Corporate Planning and Development, and vice president and      deputy general manager for Qatar Chemical Company Limited. Mr. Coombs      holds a Bachelor of Science in Chemical Engineering from The Ohio State      University, a Master of Science in Chemical Engineering from the      University of Tulsa and an MBA from Texas A&M University.
 
 About      James D. Guilfoyle
 
 Mr. Guilfoyle joined a LyondellBasell      predecessor company in 1993 as a chemical engineer at the La Porte, Texas      Olefins Plant. Prior to assuming his current role, he held a number of      technical and managerial positions within the Olefins and Polyolefins      business including vice president of Global Propylene Oxide and      Co-Products. Mr. Guilfoyle holds a Bachelor of Science in chemical      engineering from the University of Cincinnati, a Master of Science in      chemical engineering and an MBA from the University of Houston.
 
 About      LyondellBasell
 
 LyondellBasell (NYSE: LYB) is one of the world's      largest plastics, chemical and refining companies and a member of the S&P      500. LyondellBasell (www.lyb.com) manufactures products at 56 sites in 19      countries. LyondellBasell products and technologies are used to make items      that improve the quality of life for people around the world including      packaging, electronics, automotive parts, home furnishings, construction      materials and biofuels.
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