Fri, Sep 20, 2013 12:00 - A5 Laboratories, Inc. (AFLB: OTCQB) - Tier Change - The symbol, AFLB, no longer is classified as OTC Pink Limited. As of Fri, Sep 20, 2013, AFLB resides in the OTCQB tier. You may find a complete list of tier changes at otcmarkets.com.