CAMP HILL, Pa., 2015-1-14 — /EPR Retail News/ — Rite Aid Corporation (NYSE: RAD) today announced the completion of an amendment and extension of its existing senior secured credit facility, including an increased borrowing capacity of up to $3.0 billion, or up to $3.7 billion when the company repays its 8.00% Senior Secured Notes due 2020 in…