c/r, page-19

Straight from their Business update.
I hope this may have something to do with it.

Shale Gas Farm Out Process
• Discussions continue with a number of parties in relation to potential farm-outs of various licences held by the Company in England, which are primarily of interest for their shale gas potential. Several parties are undertaking, and in some cases have completed, due diligence, and commercial negotiations continue. Dart will keep the market fully informed if and when these negotiations result in a definitive agreement being reached.