New ADR symbol NBG1 http://www.optionsclearing.com/webapps/infomemos;OCCPROD0PUBSESSION=23858647ACBA983C54FD63FB5A3B0694.occ-ppube5l?number=37920&date=201512&lastModifiedDate=12%2F01%2F2015+13%3A07%3A03