1. E NERGY R ESOURCES I NTERNATIONAL, I NC. Uranium Enrichment Presentation for Foundation for Nuclear Studies by Julian Steyn July 24, 2006

2. E NERGY R ESOURCES I NTERNATIONAL, I NC. LIGHT WATER REACTOR FUEL CYCLE ENRICHMENT POWER REACTOR FUEL FABRICATION WASTE MINES UF6 CONVERSION SOURCE: AREVA

3. E NERGY R ESOURCES I NTERNATIONAL, I NC. SCHEMATIC OF CENTRIFUGE ENRICHMENT PROCESS SOURCE: URENCO WEBSITE (0.3%U-235) (NAT-U, 0.711% U-235) (3.0 TO 5.0% U-235) ROTOR: ULTRA-LIGHT THIN-WALL TUBE ROTATING AT THOUSANDS OF REVOLUTIONS/MINUTE URANIUM HEXAFLUORIDE GAS (UF6)

4. E NERGY R ESOURCES I NTERNATIONAL, I NC. URENCO CENTRIFUGE CASCADE SOURCE: URENCO

5. E NERGY R ESOURCES I NTERNATIONAL, I NC. SCHEMATIC OF GASEOUS DIFFUSION PROCESS Stage More Than 1000 Stages/Plant 400 to 4000 HP Motor-Compressors/Stage Motor- Compressor SOURCE: DOE

6. E NERGY R ESOURCES I NTERNATIONAL, I NC. SHUTDOWN OAK RIDGE GASEOUS DIFFUSION PLANT K-25 SOURCE: DOE ANL

7. E NERGY R ESOURCES I NTERNATIONAL, I NC. ENRICHMENT PLANT COST DISTRIBUTION SOURCE: AREVA

8. E NERGY R ESOURCES I NTERNATIONAL, I NC. WORLD’S SOURCES OF COMMERCIAL ENRICHMENT SERVICES Urenco centrifuge plants in U.K., Netherlands, and Germany (18%) USEC diffusion plant at Paducah in Kentucky (25%) AREVA diffusion plant in South of France (25%) Russian centrifuge plants at Ekaterinburg, Tomsk, Krasnoyarsk, and Angarsk (14%) Russian highly enriched uranium (HEU) (13%) Others [China, Japan, DOE, MOX] (4% --------------------------------------------------------------------------- New centrifuge plants to be built by LES in NM, USEC in OH, and AREVA in France

9. E NERGY R ESOURCES I NTERNATIONAL, I NC. WORLD ENRICHMENT SUPPLY & REQUIREMENTS