PriceSmart, Inc. announced sales results for the month and four months ended December 31, 2016. For the month net sales increased 2.9% to $328.2 million from $319.1 million in December a year earlier. For the four months ended December 31, 2016, net sales increased 3.4% to $1,044.3 million from $1,010.0 million in the same period last year. There were 39 warehouse clubs in operation at the end of December 2016 compared to 38 warehouse clubs in operation in December 2015.