VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 05/31/11 -- Ringbolt Ventures Ltd. (the 'Company' or 'Ringbolt') (TSX VENTURE: RBV)(FRANKFURT: 3OZ) is pleased to announce it has engaged the services of Daub & Associates, Inc. of Grand Junction, Colorado to manage and support the potash drilling program on its Lisbon Valley Project in Utah.