Walgreens (NYSE: WAG) (Nasdaq: WAG) had August sales of $6.17 billion, an increase of 5.6 percent from $5.84 billion for the same month in fiscal 2012. Total front-end sales increased 3.9 percent compared with the same month in fiscal 2012, while comparable store front-end sales increased 2.2 percent. Customer traffic in comparable stores decreased 1.5 percent while basket size increased 3.7 percent. Prescriptions filled at comparable stores increased by 5.6 percent in August and increased 7.4 percent on a calendar day-shift adjusted basis. This year’s August had one additional Saturday and one fewer Wednesday compared with August 2012. These calendar shifts negatively impacted prescriptions filled at comparable stores by 1.8 percentage points. The company said the percentage of Express Scripts prescriptions returning to its pharmacies continued to increase in August. August pharmacy sales increased by 6.4 percent, while comparable store pharmacy sales also increased 6.4 percent and increased by a calendar day-shift adjusted 8.2 percent. Calendar day shifts negatively impacted pharmacy sales in comparable stores by 1.8 percentage points. Calendar day-shift adjusted comparable store pharmacy sales were negatively impacted by 1.3 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 4.8 percent in August. Calendar day shifts negatively impacted total comparable sales by 1.2 percentage points, while generic drug introductions in the last 12 months negatively impacted total comparable sales by 0.8 percentage point. Registrations for Walgreens Balance ® Rewards loyalty program, which launched in September 2012, totaled more than 83 million through August. Total sales for the fourth quarter of fiscal 2013, which ended Aug. 31, were $17.95 billion, up 5.1 percent from $17.07 billion in last year’s quarter. Comparable store sales for the fourth quarter of fiscal 2013 increased 4.5 percent (4.9 percent day-fall adjusted), while front-end comparable store sales for the quarter increased 1.7 percent. Prescriptions filled at comparable stores increased 6.8 percent in the fourth quarter (7.4 percent day-fall adjusted) and comparable pharmacy sales increased 6.2 percent (6.8 percent day-fall adjusted).