Walgreens (NYSE: WAG) (Nasdaq: WAG) had June sales of $5.79 billion, an increase of 2.5 percent from $5.64 billion for the same month in fiscal 2012. Total front-end sales increased 2.2 percent compared with the same month in fiscal 2012, while comparable store front-end sales increased 0.8 percent. Customer traffic in comparable stores decreased 2.9 percent while basket size increased 3.7 percent. Prescriptions filled at comparable stores increased by 5.0 percent in June and increased 7.3 percent on a calendar day-shift adjusted basis. This year’s June had one additional Sunday and one fewer Friday compared with June 2012. These calendar shifts negatively impacted prescriptions filled at comparable stores by 2.3 percentage points. The company said the percentage of Express Scripts prescriptions returning to its pharmacies continued to increase in June. June pharmacy sales increased by 2.9 percent, while comparable store pharmacy sales increased 3.3 percent and increased by a calendar day-shift adjusted 5.6 percent. Calendar day shifts negatively impacted pharmacy sales in comparable stores by 2.3 percentage points. Calendar day-shift adjusted comparable store pharmacy sales were negatively impacted by 2.8 percentage points due to generic drug introductions in the last 12 months. Pharmacy sales accounted for 64.3 percent of total sales for the month. Sales in comparable stores increased by 2.3 percent in June. Calendar day shifts negatively impacted total comparable sales by 1.5 percentage points, while generic drug introductions in the last 12 months negatively impacted total comparable sales by 1.8 percentage points. Registrations for Walgreens Balance ® Rewards loyalty program, which launched in September, totaled more than 75 million through June. Calendar 2013 sales to date were $35.88 billion, an increase of 2.4 percent from $35.05 billion in 2012. Fiscal 2013 year-to-date sales for the first 10 months were $59.91 billion, down 0.5 percent from $60.20 billion in the comparable period in fiscal 2012.