The next generation of cost effective, economically viable biorefinery scenarios requires the development and deployment of higher valued added products whose production can be integrated into a forest biorefinery. We present preliminary results for the production of one such product, succinic acid, from mixed sugars streams including glucose and xylose, as would be present from the hydrolysis of xylan. Examples are presented for the base laboratory case, softwood hydrolysis streams, and hardwood extracts