Gold Bullion Development Corp. (TSXV: GBB) (OTCPINK: GBBFF) (the “Company” or “Gold Bullion”) announces it has received the Preliminary-Feasibility Study “PFS” for the “Rolling Start” at Granada. All in total cash costs for gold production at the higher grades of 4.24 g/t gold from the open pits assessed by this study are US $797 per ounce at an internal rate of return of 169% percent before tax. The payback period for the $6.7 million needed to commence the “Rolling Start” is just under 7 months with an NPV of $24.65 million before taxes discounted at 6% within 3 years.