Kibaran Resources (ASX: KNL) is one of our favourite graphite sector exposures. It has just received an independent valuation by CloudMiner that has calculated a pre-tax NPV of US$396m (A$515m) for its flagship Epanko project in Tanzania, up 55% on previous estimates. It has also received strong project funding interest. As a result, Kibaran’s share price has firmed solidly from a low of $0.13 during March to a closing price today of $0.24 - up 85%. The next key share price catalyst is the completion of the Epanko project Bankable Feasibility Study, due by the end of June 2015.