Cayden Drills 28.5 Meters Of 3.21 g/t Au at Las Calles

Cayden Resources Inc. (TSX VENTURE:CYD) (Cayden or the Company) is pleased to announce that it has received additional drilling results from its Las Calles target at the Morelos Sur Gold project, central Guerrero State, Mexico. The drilling highlights at Las Calles include 28.5 meters of 3.21 g/t Au including 10.8 m of 7.81 g/t Au, including 2 m of 26.3 g/t Au (LCDD0101), 7.7 m of 2.44 g/t Au (LCDD0096), and 39.3 m of 0.65 g/t Au (LCDD0102). The results occur in the same extremely fractured and iron oxide-rich diorite sill from which earlier significant results were previously reported (see NR dated March 5, 2012) as well as historical results reported by IMMSA, a subsidiary of Grupo Mexico (see 43-101 technical report filed on www.sedar.com).

Golden Arrow Resources Corporation: Drilling Returns Multiple Bonanza Silver Intercepts at Chinchillas, Including 29 Metres at 631 g/t Silver

Golden Arrow Resources Corporation (TSX VENTURE:GRG)(FRANKFURT:GAC)(WKN:A0B6XQ) ("Golden Arrow" or the "Company") is pleased to announce multiple near surface bonanza grade intercepts over significant lengths from drilling at the Silver Mantos target on its Chinchillas Silver Project, in Jujuy, Argentina. The majority of the results reported herein are 50 to 100 m step-out drill holes that significantly expand the previously outlined mineralized zone at Silver Mantos. Silver Mantos remains open to expansion in all directions.

Marathon Gold Hits 6.53 g/t Au over 15.3 meters and 2.36 g/t Au over 29.75 meters at the 100% Owned Leprechaun Gold Deposit, Valentine Lake Project

Marathon Gold Corporation ("Marathon" or the "Company") (MOZ: TSX) today announced continued positive results from the summer 2012 drilling program at the Valentine Lake Project, Newfoundland (Figure 1). Step-out drilling at the Leprechaun Gold Deposit has intersected new high-grade gold mineralization up to 150 meters down-dip from the previously defined Main Zone boundary. This new drilling in the central part of the Leprechaun Gold Deposit continues to expand the high-grade Main Zone that is currently open at depth.

Endeavour Silver Production Continues to Climb in Second Quarter, 2012; Produces 1,040,026 Oz Silver (Up 22%) and 7,695 Oz Gold (Up 59%)

Endeavour to Release Second Quarter, 2012 Financial Results on August 7, 2012, Conference Call at 1:00 PM EDT on August 8, 2012

Endeavour Silver Corp. (TSX:EDR)(NYSE:EXK)(FRANKFURT:EJD) announces that the Company's silver and gold production from the Company's two operating silver mines in Mexico, the Guanacevi Mine in Durango State and the Guanajuato Mine in Guanajuato State, continued to climb in the Second Quarter, 2012.

Silver production was up 22% to 1,040,026 ounces (oz) and gold production was up 59% to 7,695 oz compared to the Second Quarter, 2011.