"We are pleased to welcome Marta to our Board of Directors," said John G. Morikis, Chairman, President and Chief Executive Officer of Sherwin-Williams. "Through her over three decades of service with Norfolk Southern, she gained significant financial expertise and extensive financial and strategic leadership experience with a premier transportation and distribution company. We look forward to Marta's engagement and unique perspective, as well as the benefits of her contributions to our Board, employees, customers, shareholders and other stakeholders."

Stewart began her career at Peat Marwick (a predecessor to KPMG International Limited) before joining Norfolk Southern as an accountant in 1983. During her long tenure at Norfolk Southern, Stewart held a variety of accounting and finance positions of increasing responsibility, including Executive Vice President and Chief Financial Officer from November 2013 until her retirement in August 2017; Vice President and Treasurer from April 2009 to November 2013; and Vice President, Controller and Principal Accounting Officer from December 2003 to April 2009. She was instrumental in developing Norfolk Southern's accounting systems and controls, driving shareholder value and designing the company's strategic plan.

Stewart immigrated to the United States from Cuba in 1961 and received a Bachelor of Business Administration degree in accounting from The College of William and Mary. Stewart is also a director of Simon Property Group Inc.

For more information, visit www.sherwin.com.