The stock has hit day's high at $93.61 and day's low at $94.52. As part of the Exxon Mobil Corporation (NYSE:XOM) Foundations 2012 Educational Matching Gift Program, the company, Exxon Mobil Corporation (NYSE:XOM) and its employees along with the employees from XTO Energy in Kansas donated $665,994 to around 10 higher education institutions across Kansas. Rex Energy Announces Addition to Board of Directors (MarketWatch) Rex Energy Corporation (NASDAQ: REXX ) +1.70% is pleased to announce Todd N. Tipton has joined the company's Board of Directors. Mr. Tipton has over 35 years of experience in the oil and gas industry. Most recently, he served as Executive Vice President of Exploration for SandRidge Energy Inc. (NYSE:SD) where he was responsible for the exploration and exploitation strategy for the company.