Exxon Mobil Corp. (NYSE: XOM) plans to appoint T.R. “Tom” Walters as president of ExxonMobil Production Co. and R.S. “Rob” Franklin as president of ExxonMobil Gas & Power Marketing Co. effective March 1.

Walters, currently president of ExxonMobil Gas & Power Marketing Co. and a vice president of the corporation, succeeds R.M. “Rich” Kruger, who was appointed by the board of directors of Imperial Oil Ltd. (NYSE: IMO) as chairman, president and CEO.

Walters joined Exxon USA in 1978 in Los Angeles and has held a variety of technical and managerial positions in production, operations, development and global services. He’s served as vice president for Africa at ExxonMobil Development Co., vice president for US at ExxonMobil Production Co., president of ExxonMobil Global Services Co., and executive vice president of ExxonMobil Development Co.

Franklin, currently president of ExxonMobil Upstream Ventures and a vice president of the corporation, joined Mobil North Sea Ltd. in 1981 and has held a variety of technical and managerial positions in exploration and production and gas marketing. He’s served as vice president for European gas marketing at Mobil Corp., vice president of new business development at ExxonMobil Gas & Power Marketing Co., executive assistant to the chairman of Exxon Mobil Corp., and vice president for Europe, Russia and Caspian for ExxonMobil Production Co.

Headquartered in Irving, Texas, ExxonMobil is a publicly traded international oil and gas company focusing on the uses of technology and innovation to help meet the world’s growing energy needs.