RIDGEFIELD, Conn. — Northern Tier Energy LP recently appointed David L. Lamp as president and CEO of Northern Tier Energy GP LLC, the general partner of Northern Tier Energy LP and Northern Tier Energy LLC. Lamp replaces Hank Kuchta who retired as president and CEO in March. Lamp has served as the executive vice president and COO of HollyFrontier Corp. since July 2011. Additionally, he currently serves as the chairman of the board of the American Fuel & Petrochemical Manufacturers (AFPM) association. For more information, visit www.ntenergy.com or call (203) 244-6550.