1. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 1 NUKEM Group Presentation Alzenau, May 2011

2. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 2 NUKEM Group at a Glance Over 50 Years Experience in the Nuclear Sector Headquarters: NUKEM GmbH, Alzenau (Germany) & NUKEM Inc., Danbury (USA) Representative Offices: Moscow Tashkent (Uzbekistan) Ust Kamenogorsk (Kazakhstan) Key Figures Financial Year 2010 Sales € 530 million Employees 37

3. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 3 1 April 1960: Foundation of NUKEM (Nuklear-Chemie und -Metallurgie GmbH) Major shareholders: Degussa (52.5%) Rio Tinto (22.5%) Metallgesellschaft (15.0%) (after November 1960) Mallinckrodt (10%) Major activities: research and development of powder process technology, pelletizing and sintering of pellets; production of fuel plates for material test reactors 1973:Purchase of enrichment services from TENEX for RWE 1974:Foundation of NUKEM-Luxemburg (NULUX) NUKEM History (1)

4. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 4 1982:Foundation of US subsidiary NUKEM, Inc., dealing with nuclear fuel services in the US 1992:Long-term uranium supply contracts concluded with Kazakhstan and Uzbekistan, including purchase of existing stocks 1999NUKEM, Cameco and AREVA signed a commercial agreement with Techsnabexport (TENEX), for the purchase of natural uranium derived from Russian HEU (HEU Feed Agreement) 2006:Advent International acquires NUKEM from RWE NUKEM History (2)

5. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 5 About NUKEM World‘s largest global traders of uranium, conversion, and enrichment services One of the top five providers of uranium to nuclear power plants worldwide: -Delivering over 15 million pounds of U 3 O 8 annually -Long-term Supply Arrangements until 2022 -Purchase and marketing of uranium feed (UF6) under the high-enriched uranium (HEU) deal with Russia -Partnership with major uranium mining enterprises in Kazakhstan and Uzbekistan -Spot Purchase Arrangements

6. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 6 Long Term Contract History NUKEM has had successful long term supply contracts for uranium, conversion and enrichment services with the following utilities worldwide: Arizona Public Service, USA Baltimore Gas & Electric, USA Constellation, USA Dominion, USA Duke, USA Entergy, USA FP&L, USA PG&E, USA PP&L, USA PSE&G, USA Rochester, USA Southern Companies, USA TUCO, USA Yankee Atomic Power, USA British Energy, UK CEZ, Czech Republic EdF, France Enusa, Spain Eon, Germany KRSKO, Slovenia PAKS, Hungary RWE, Germany Tenex, Russia TVO, Finland Vattenfall, Sweden Chubu, Japan CFE, Mexico CNEIC, China Dioxitek, Argentina EPDC, Japan Eskom, South Africa INB, Brazil KEPCO, Korea KHNP, Korea Taipower, Taiwan Tepco, Japan

7. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 7 NUKEM’s sales in Mexico  NUKEM is Mexico’s sole supplier of uranium and enrichment services: 2003 through 2016.  Comision Federal de Electricidad, Mexico’s sole nuclear utility, has been purchase uranium from NUKEM since 1993.  Total deliveries will be over 4,250 MTU and 2.4 million SWU with a total value of almost USD 0.9 billion.  Spot and Long Term Contracts

8. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 8 NUKEM’s sales in Taiwan  NUKEM is Taiwan’s biggest single supplier of uranium.  For the past 25 years, NUKEM has been supplying Taiwan with natural uranium in the form of U3O8 and UF6.  Taipower, Taiwan’s sole nuclear utility, purchase roughly 20 million lbs U3O8e since 1985 and NUKEM supplied 53% of these purchases.  Spot and Long Term Contracts

9. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 9 NUKEM’s sales in South Korea  NUKEM has been a supplier of uranium to South Korea since 1994.  Total deliveries to exceed 5,450 MTU.  Amounts to roughly 15% of total reactor requirements.  Spot and Long Term Contracts

10. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 10 NUKEM Product Portfolio Nukem has delivered the following product types under long term / spot contracts -Enriched UF6 -Enriched UO2 -Conversion Services -Enrichment services -Non ASTM specification - UF6, UO2 Nukem has delivered Uranium to the following reactor types -Natural U3O8 -Natural UF6 -Natural U02 PWR (Westinghouse, Siemens) CANDU (AECL) BWR (GE) VVER (ASE) AGR (BNFL)

11. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 11 NUKEM Delivery Commitments vs. Uranium Production of the Major Producers *) HEU Feed included as “production” Million lbs U3O8  NUKEM is one of the six major players  Covers ~ 10 % of the world uranium demand 2010 numbers preliminary

12. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 12 Components and Services in the Fuel Cycle Service Suppliers - Producers - Governments - Intermediaries - Funds - Utilities Buyers - Utilities - Producers - Intermediaries - Funds Products / Services - Natural Uranium (U3O8, UF6) - Conversion - Enrichment (< 5%) - Residue Recovery Finance - Foreign Exchange Transactions - Inventory Financing - Supplier / Trade Credits Logistics - Transport - Storage - Swaps Type of Transactions - Sales Purchases (Spot / Long-term) - Uranium Loans - Sale - Buy - Back - Buy and Hold - Swaps NUKEM

13. www.nukem.decopyright by NUKEM GmbHNUKEM Company May 11Page 13 Industry Relationships Converter storage/holding accounts for U3O8 & conversion credits Fabricator storage/holding accounts for EUP (UF6 & oxides) held as feed & SWU credits Fabricator processing agreements for off specification materials Fabricator qualification & supply of UO2 powder for pellet production Fabricator umbrella/teaming agreement for special projects Fabricator pellet qualification trials Enrichment storage/holding accounts for UF6 Accounts allow for physical and or book transfer delivery to customers B&W/NFS (HEU down blending and purification) Customer relationship