🕐08.09.11 - 15:27 Uhr

U3O8 CORPS INFILL DRILLING ON TRACK TOWARDS MAIDEN NI 43-101 RESOURCE ESTIMATE O
N THE BERLIN PROJECT, COLOMBIA





U3O8 Corps infill drilling on track towards maiden
NI 43-101 resource estimate on the Berlin Project, Colombia

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Uranium, vanadium, phosphate & rare earth mineralization continue along strike
& across the syncline

TORONTO, Ontario - September 8, 2011 - U3O8 Corp. (TSX Venture: UWE) a Canadian-based company focused on exploration and resource expansion of uranium and associated commodities in South America, reports assays from further trenching and another 21 bore holes in the 19,000 metre ("m") infill drilling program underway on the Berlin Project in Caldas Province, Colombia. The Berlin Project contains a sediment-hosted, multi-commodity prospect with a historic resource1 of 12.9 million tonnes at an average grade of 0.13% U3O8 (38 million pounds ("mlb") U3O8) estimated on the southernmost 4.4 kilometres ("km") of a 10.5km long mineralized trend. This historic work did not include estimates for other commodities, such as vanadium, phosphate, rare earth elements, molybdenum and rhenium, which occur with the uranium.

"U3O8 Corp. is on schedule to complete infill drilling in the southern 3km of the 10.5km prospective trend in the Berlin Project early in Q4. The resource estimator has now been to site and the process has begun towards our aim of generating a maiden, interim National Instrument 43-101 ("NI 43-101") resource on the Berlin Project, as well as providing indicative initial metallurgical test results by the end of 2011," said Dr. Richard Spencer, President and CEO of U3O8 Corp. "These latest infill drilling results continue to demonstrate excellent continuity of multi-commodity mineralization in the southern portion of the prospective trend in the Berlin Project. Trenching continues to confirm mineralization in the northern part of the property, which could substantially expand the size of the project beyond the historic resource."

(1) The Berlin resource estimate is historical and is reported in Castano, R. (1981), Calcul provisoire des reserves geologiques de Berlin, sur la base des resultants des sondages, unpublished Minatome report, 15p. There has been insufficient exploration work completed to verify the historic estimate and it should not be relied upon as a NI 43-101 compliant resource. As the 38mlb U3O8 historic estimate is based on only 11 widely-spaced drill holes, 20 trenches and three adits, it is regarded by U3O8 Corp. as merely an indication of the uranium resource potential of the southernmost 4.4km of the 10.5km long syncline (Figure 1) containing the Berlin mineralization. U3O8 Corp. is currently undertaking an infill drilling program with the aim of defining a mineral resource at Berlin.

Table 1 - Assay Results from Drilling in the Southern Part of the Berlin Project

Summary results for the bore holes drilled in Cross Sections 7, 8 and 9 in the southern part of the Berlin Project2 (Figures 1 and 2). For completeness, results are tabulated for all bore holes drilled on each section and those holes from which results were previously reported (see press release dated February 24, 2011) are highlighted in grey in the table.

Note: Phosphate values for DDB37, DDB41 and DDB42 are minimum values. Intercepts cut in these bore holes contain samples that have a grade higher than the analytical limit for the routine assay method and those samples are currently being re-assayed with a method that will quantify their high phosphate values.

Table 2 - Assay Results from Trench TB34 in the Northern Part of the Berlin Project

Summary results for trench TB34 excavated in the northern part of the Berlin Project2 (Figure 1).

(2) Assay results - lbs/st is an abbreviation for pounds per short ton. 1 short ton = 2,000lbs or 0.907 metric tonnes. Potential quantity and grade are conceptual in nature. There has been insufficient exploration to define a mineral resource at the Berlin Project to date and it is uncertain if further exploration will result in the target being delineated as a mineral resource.

Infill Drilling Program

U3O8 Corp. has now drilled 72 bore holes (16,050m) as part of a 19,000m infill drill program being undertaken for resource estimation purposes on the southern part of the Berlin Project. Assays from the 41 drill holes reported so far confirm the continuity of mineralization along strike and across the Berlin syncline, and also confirm consistent grades of uranium, vanadium, phosphate, rare earth elements, molybdenum, rhenium and silver. Two drill rigs continue to focus on resource drilling, while trenching is planned to advance along the whole 10.5km trend, to be followed by drilling in due course. A consultant from Coffey Mining of Australia, an independent consulting company, visited the Berlin Project in June 2011, and the estimation process has begun towards the goal of converting part of the historic resource into an initial 20-25mlb NI 43-101 uranium resource1 by the end of 2011.

Mineralization

The mineralized layer in the Berlin Project occurs as a canoe-shaped fold that, in cross-section, has an asymmetric "U"-shape (Figures 3, 4 and 5). In order to visualize the distribution of mineralization, the layer is shown as an "unfolded", flat sheet in Figure 6. This diagram shows the distribution of each pierce point, the point at which each bore hole intersected the mineralized layer, as well as the distribution of trenches that were excavated where the layer comes to surface. Each pierce point and trench location is coloured according to its uranium grade-thickness value (the grade of the mineralized interval multiplied by its thickness) in order to illustrate the continuity of grade throughout the mineralized layer.

Quality Assurance and Quality Control ("QAQC")

QAQC are incorporated by reference to the press release dated February 24, 2011, available on U3O8 Corps web site at and on SEDAR at

Dr. Richard Spencer, President & CEO of U3O8 Corp., a Qualified Person within the definition of that term in NI 43-101 of the Canadian Securities Administrators, has supervised the preparation of, and verified the technical information in this release.

About U3O8 Corp.

U3O8 Corp. is a Toronto-based exploration company focused on exploration and resource expansion of uranium and associated commodities in South America - a promising new frontier for uranium exploration and development. U3O8 Corp. has one of the most advanced portfolios of uranium projects in the region comprising NI 43-101 compliant resources in Guyana and Argentina to significant historic resources in Colombia.

For further information on U3O8 Corps Berlin Project, refer to the technical report entitled "Review of Historic Exploration Data from the Unaniferous Black Shales of the Berlin Project and Chaparral Concession, Colombia: A guide to future exploration" prepared by Richard Spencer and Richard Cleath dated March 23, 2010 and available at Additional information on U3O8 Corp. is available on the companys web site at

Forward-Looking Statements
Certain information set forth in this news release may contain forward-looking statements that involve substantial known and unknown risks and uncertainties. These forward-looking statements are subject to numerous risks and uncertainties, certain of which are beyond the control of U3O8 Corp., including, but not limited to, the impact of general economic conditions, industry conditions, the timing of laboratory results, volatility of commodity prices, risks associated with the uncertainty of exploration results and estimates and that the resource potential will be achieved on exploration projects, currency fluctuations, dependence upon regulatory approvals, and the uncertainty of obtaining additional financing and exploration risk. There is no assurance that the Berlin Project will add to U3O8 Corps resource base in the short-term, or at all. Readers are cautioned that the assumptions used in the preparation of such information, although considered reasonable at the time of preparation, may prove to be imprecise and, as such, undue reliance should not be placed on forward-looking statements.

Nancy Chan-Palmateer Richard Spencer
Vice President, Investor Relations President & CEO

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Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Figure 1 - Map Shows the Location of the Trenches and Drill Platforms in the Berlin Project

Geological map of the 10.5km long, canoe-shaped fold (syncline) in Cretaceous strata (green shades) in the Berlin Project. The brown coloured areas show the large extent of the alaskite batholith on the west, and the location of smaller alaskite batholiths on the east flank of the syncline at Berlin. The alaskite is believed to be the source of the mineralization in the sedimentary units at Berlin. The location of U3O8 Corps trenching is marked by triangles, and location of drill platforms is marked by black circles.

Figure 2 - Drill Hole Location in the Southern Part of the Mineralized Trend on the Berlin Project

Geological map of the southernmost 3km of the 10.5km long fold (syncline) in the Berlin Project. The triangles mark the location of U3O8 Corps drill platforms. The three Cross Sections (Figures 3, 4 and 5) from which assay results are reported in this press release (Table 1) are shown as black lines on the above map, which were drilled from platforms P4, P15, P16 and P17 (Cross Section 7), P27, P28 and P29 (Cross Section 8) and P5, P5 and P30 (Cross Section 9).

Figure 3 - Cross Section 7

This figure shows the cross section through the fold in the Berlin Project at the location of drill platforms P4, P15, P16 and P17. The mineralized unit is marked in yellow. The location of this vertical section is shown as a black line through platforms P4, P15, P16 and P17 in Figure 2.

Figure 4 - Cross Section 8


This figure shows the cross section through the fold in the Berlin Project at the location of drill platforms P27, P28 and P29. The mineralized unit is marked in yellow. The location of this vertical section is shown as a black line through platforms P27, P28 and P29 in Figure 2. Note that the fault in red removes part of the mineralized layer, creating a window in which there is no mineralization in part of the east flank of the fold as illustrated in plan view in Figure 6.

Figure 5 - Cross Section 9


This figure shows the cross section through the fold in the Berlin Project at the location of drill platforms P5, P5 and P30. The mineralized unit is marked in yellow. The location of this vertical section is shown as a black line through platforms P5, P5 and P30 in Figure 2. Note that the fault in red removes part of the mineralized layer, creating a window in which there is no mineralization in part of the east flank of the fold as illustrated in plan view in Figure 6.

Figure 6 - Map of the "Unfolded" Mineralized Layer in the Southern Part of the Berlin Project


This map depicts the mineralized layer in the southern part of the Berlin Project "unfolded" into a flat sheet. Each square or triangle marks the pierce point at which a bore hole intersected the mineralized layer while coloured circles represent the points at which the mineralized layer was sampled where it is exposed at surface. The coloured points are shaded according to their uranium grade-thickness value (uranium grade of the intercept multiplied by the width of the intercept). Pierce points shown without colour are intercepts that have been completed for which assay results will be reported in due course. The grey areas show the areas in which the mineralized zone has been removed by faulting or erosion. Triangles are bore hole intercepts in which soft or fractured rock made it difficult to recover a representative sample for assay. In those cases, a Mount Sopris gamma ray probe measured the radioactivity of the intercept to provide an estimate of uranium grade.

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