Barnaul, RUSSIA, 2017-Sep-29 — /EPR Retail News/ — X5 Retail Group ("X5" or "the Company"), a leading Russian food retailer (LSE: FIVE), announces its further expansion in the Siberian Federal District and the opening of the first Pyaterochka stores in Barnaul. Five new Pyaterochka stores were opened in the city. The stores, which have a total area of over…