Susser Petroleum Partners, a wholesale distributor of motor fuels primarily to Susser Holdings, priced its 9.5 million share IPO at $20.50, within the $19-$21 range. BofA Merrill Lynch, Barclays, Wells Fargo and UBS were the bookrunners on the deal, which is expected to begin trading on the NYSE under the symbol "SUSP" on Thursday.