UGI - Suburban Propane Partners: Buy These Undervalued Units Trading At An 8.7% Yield March, 24 2022 12:42 PM UGI Corporation Suburban Propane units are clearly cheap. The distribution is also extremely safe. We value the units at more than 50% above current levels. For further details see: Suburban Propane Partners: Buy These Undervalued Units Trading At An 8.7% Yield