Stephen D. Pryor, president, ExxonMobil Chemical Company and vice president of Exxon Mobil Corporation, has elected to retire on January 1, 2015, after more than 44 years of service. It is anticipated that the board of directors of Exxon Mobil Corporation will appoint Neil A. Chapman as president of ExxonMobil Chemical Company and elect him a vice president of the corporation, effective Jan. 1, 2015. Chapman is currently senior vice president, Polymers, ExxonMobil Chemical Company. Pryor, 64, joined Mobil Corporation in 1971 and has held a number of financial and managerial positions in the United States, Cyprus, the United Kingdom and New Zealand. In 1993, he was appointed vice president, Mobil Chemical Company and general manager, Plastics Division.