IRVING, Texas — Stephen D. Pryor, president, ExxonMobil Chemical Co. and vice president of Exxon Mobil Corp., recently retired after more than 44 years of service. The board of directors of Exxon Mobil Corp. will appoint Neil A. Chapman as president of ExxonMobil Chemical Co. and elect him a vice president of the corporation. Chapman is currently senior vice president, Polymers, ExxonMobil Chemical Co. Pryor joined Mobil Corp. in 1971 and has held a number of financial and managerial positions within the company. Chapman became president of ExxonMobil Global Services Co. in 2007 and was appointed to his current role in 2011. For more information, visit www.exxonmobil.com or call (972) 444-1000.