Confidential treatment has been requested for the redacted portions. The confidential redacted portions have been filed separately with the Securities and Exchange Commission. AGREEMENT between ENERGY NORTHWEST and UNITED STATES ENRICHMENT CORPORATION...Energy Northwest Contract No. 335900 Agreement • August 1st, 2012 • Usec Inc • Mining & quarrying of nonmetallic minerals (no fuels) • Maryland
Gross Weight: pounds Uranium Mass: kg Tare Weight: pounds Isotope Mass (235U): kg Net Weight: pounds Isotopic Composition ASTM C996-10 Specification Value Analyzed Values U-235 Less than or equal to: 5.0% U-232 Less than or equal to: 0.0001 micrograms/gU or U236 less than 125 micrograms/gU235, then N/A U-234 Less than or equal to: 11.0 x 103 micrograms/gU235 U-236 Less than or equal to: 250micrograms/gU235
