Hycroft Mining Holding Corp.

Average Year to Date Cost of Sales of $406 Per Ounce of Gold Sold(1)

RENO, NEVADA -- (Marketwire) -- 11/05/10 -- Allied Nevada Gold Corp. ('Allied Nevada' or the 'Company') (TSX: ANV)(NYSE Amex: ANV) is pleased to report its financial and operating results for the three and nine months ended September 30, 2010. The results presented in this press release should be read in conjunction with the Company's Form 10-Q

RENO, NEVADA -- (Marketwire) -- 10/21/10 -- Allied Nevada Gold Corp. ('Allied Nevada' or the 'Company') (TSX: ANV)(NYSE Amex: ANV) is pleased to provide an update to recent Vortex Zone step out drilling, including highlights from three newly drilled holes at its wholly owned Hycroft mine located near Winnemucca, Nevada. Highlights from the three holes include 166 meters grading 1.51 g/t AuEq (0.46 g/t Au and 59 g/t Ag

RENO, NEVADA -- (Marketwire) -- 09/29/10 -- Allied Nevada Gold Corp. ('Allied Nevada' or the 'Company') (TSX: ANV)(NYSE Amex: ANV) is pleased to provide an update to recent oxide drilling in the Central Zone, at its wholly owned Hycroft mine located near Winnemucca, Nevada. These holes have been drilled adjacent to the historically mined Central Pit, west of the producing Brimstone Pit. Highlights from this drilling

Provides Update on Metallurgical Programs for Oxide and Sulfide Mineralization

RENO, NEVADA -- (Marketwire) -- 09/15/10 -- Allied Nevada Gold Corp. ('Allied Nevada' or the 'Company') (TSX: ANV)(NYSE Amex: ANV) is pleased to announce that is has received positive initial metallurgical results for milling oxides at its wholly owned Hycroft mine, located near Winnemucca, Nevada. Results of the metallurgical testing on eight (8) oxide composite samples show average recoveries of 84.0% for gold and 65.6% for silver can be achieved through a flotation circuit with cyanidation of the tailings. The eight composites were comprised of samples taken from the various deposits on the property. The highest recoveries were achieved in the Vortex and Brimstone areas, where the largest volume of resource is located. When combined with indicated recoveries of sulfide mineralization of 88% for gold and 86% for silver, overall recoveries of 87.2% for gold and 81.7% for silver may be achieved through a milling circuit.

RENO, NEVADA -- (Marketwire) -- 09/09/10 -- Allied Nevada Gold Corp. ('Allied Nevada' or the 'Company') (TSX: ANV)(NYSE Amex: ANV) is pleased to provide an update on recent North Brimstone drilling at its wholly owned Hycroft mine, located west of Winnemucca, Nevada. Highlights from this drilling include 36 meters grading 3.13 g/t AuEq (2.52 g/t Au and 35 g/t Ag) and 50 meters grading 1.01 g/t AuEq (0.57 g/t Au and 25

Average Cost of Sales Is Expected to Be Approx. $350 Per Ounce of Gold Sold

RENO, NEVADA -- (Marketwire) -- 09/08/10 -- Allied Nevada Gold Corp. ('Allied Nevada' or the 'Company') (TSX: ANV)(NYSE Amex: ANV) is pleased to provide an updated milling scoping study(1) which envisions a 174,000 ore ton per day ('tpd') milling and heap leach operation (see previous scoping study in the press release dated April 5, 2010). This updated scoping study concludes that average annual production of approximately 610,000 ounces of gold and 27.0 million ounces of silver (or approximately 1.1 million ounces of gold equivalent) could be produced from the combined 100,000 tpd milling operation and 74,000 tpd heap leach operation. Annual cost of sales(2) is expected to average approximately $350 per ounce of gold sold (after silver byproduct credit).

RENO, NEVADA -- (Marketwire) -- 08/26/10 -- Allied Nevada Gold Corp. ('Allied Nevada' or the 'Company') (TSX: ANV)(NYSE Amex: ANV) is pleased to provide an update to recent Vortex Zone definition drilling, including highlights from three newly drilled holes at its wholly owned Hycroft mine located near Winnemucca, Nevada. Highlights from the three holes include 177 meters grading 2.58 g/t AuEq (1.22 g/t Au and 78 g/t

Gold Equivalent Measured & Indicated Resources Increase 22% to 12.5 Million Ounces

RENO, NEVADA -- (Marketwire) -- 08/10/10 -- Allied Nevada Gold Corp. ('Allied Nevada' or the 'Company') (TSX: ANV)(NYSE Amex: ANV) is pleased to report that the infill drill program has successfully increased gold measured and indicated resources (inclusive of reserves) by 13% to 8.0 million ounces at the Company's wholly owned Hycroft Mine located near Winnemucca, Nevada (see Table 1 for more information regarding tons and grade). Silver measured and indicated resources increased 41% to 259.2 million ounces, compared with 153.1 million ounces as announced in April 2010.