Fri, Sep 13, 2013 12:00 - Xtreme Oil & Gas, Inc. (XTOGD: OTCQB) - Symbol Change - The symbol, XTOGD, is no longer a valid symbol for Xtreme Oil & Gas, Inc.. As of Fri, Sep 13, 2013, the new trading symbol is XTOG. You may find a complete list of symbol changes at otcmarkets.com.