NuStar Energy is engaged in the transportation of petroleum products and anhydrous ammonia, and the terminalling, storage and marketing of petroleum products. Co.'s business segments are: pipeline, storage and fuels marketing. Co.'s pipeline operations consist of the transportation of refined products, crude oil and anhydrous ammonia. Co.'s storage segment consists of facilities that provide storage, handling and other services for petroleum products, crude oil, specialty chemicals and other liquids. Co.'s fuels marketing segment includes its bunkering operations in the Gulf Coast, as well as certain of its blending operations associated with its Central East System.

Preferreds: NS.PRA, NS.PRB, NS.PRC