clontarf energy plc shares fell monday after the board said it noted the increase in fridays share price but confirmed that there was no new price sensitive information to disclose at 0729 gmt shares were down 003 pence or 22 at 010 pence shares in the londonlisted lithium and oilandgas company closed at 013 pence on friday more than doubling from 006 pence on thursday the company added that it has agreed in principle to a joint venture to test brines in bolivias mediumsized salt lakes if laboratory tests are satisfactory clontarf will consider building an onsite pilot plant to test the direct lithium extraction process dependent on sourcing the necessary funding the company also said high asian gas prices and a likely shortage in liquefied natural gas stock have increased interest in its 10 working interest in its australian wg519p block and that it has received additional project proposals in addition clontarf said conversations with ghana authorities have been renewed in view to completing the delayed ratification of signed petroleum agreements and expedite exploration programs the resurgence of interest in african exploration and development may lead to additional proposals in the coming months it said