CAMP HILL, Pa.--(BUSINESS WIRE)--Rite Aid Corporation (NYSE: RAD) today announced sales results for August. Monthly Sales For the five weeks ended Aug. 29, 2015, same store sales increased 1.6 percent over the prior-year period. August front-end same store sales increased 0.6 percent. Pharmacy same store sales, which included an approximate 222 basis points negative impact from new generic introductions, increased 2.1 percent. Prescription count at comparable stores decreased 0.3 percent over t