NBP National Beef

Northern Border Partners, L.P. (NYSE:NBP) announces that it will hold its quarterly earnings conference call to discuss second quarter 2005 results and 2005 outlook on Thursday, August 4, 2005, at 10:00 a.m. Eastern Daylight Time (9:00 a.m. Central Daylight Time). This call is being webcast by Thomson/CCBN and can be accessed via the Northern Border Partners' website at www.northernborderpartners.com. An audio replay of the call will be available through August 11, 2005. The telephone number for the replay in the United States and Canada is 800-405-2236, conference ID number 11035132. Northern Border Partners, L.P. is a publicly traded partnership formed in 1993. Its purpose is to own, operate and acquire a diversified portfolio of energy assets. The Partnership owns and manages natural gas pipelines and is engaged in the gathering and processing of natural gas. Additional information can be found at http://www.northernborderpartners.com.