OMAHA, Neb., April 12, 2012 /PRNewswire/ -- You are invited to listen to Union Pacific Corporation's (NYSE: UNP) first quarter 2012 earnings release presentation that will be broadcast live

COUNCIL BLUFFS, Iowa, March 22, 2012 /PRNewswire-FirstCall/ -- The Union Pacific Railroad Museum is taking its Building America exhibit on the road, or at least out on the rails.

OMAHA, Neb., Jan.

OMAHA, Neb., Oct.

OMAHA, Neb., July 14, 2011 /PRNewswire-FirstCall/ -- In conjunction with Union Pacific Corporation's (NYSE: UNP) Second Quarter 2011 Earnings Release, you are invited to listen to its presentation that will be broadcast live over the Internet or via teleconference on Thursday, July 21, 2011, at 8:45 a.m.