Gold Bullion Development Corp. (TSXV:GBB) (OTCPINK:GBBFF) (the "Company" or "Gold Bullion") announces that it has completed a 43-101 Technical Report on its Castle Silver Mine property, which has been filed on SEDAR and can also be viewed on the Company’s website at http://www.GoldBullionDevelopmentCorp.com. Gold Bullion is nearing completion of its 6000m first-phase drill program with a total of 4861 metres, as of May 31st, having been completed in 10 holes. A strong new vein structure was identified at the location of the first IP target tested.