USEC DU balance

USEC's letter to NRC of May 18, 2001 (requesting approval for its DU
importation plans) includes the Depleted Uranium Management Plans for
Portsmouth and Paducah dated Sept. 15, 2000, containing the following
balance for USEC's DU:

  Table 1. Estimated amount of depleted uranium (DU) generated by USEC and
          its disposition, in metric tons uranium (MTU) for PORTS and PGDP
          combined.

                                              DU Transfers                      Estimated
           DU             DU             to DOE under      Other DU
Year    Generated   Transfers     6/30/98              to             net
           by USEC     to Starmet  agreement(3)      DOE(2)    cumulative
                              CMI                                                   USEC DU

July 1,
1993-
June 30,  67,874      0                0               (67,874)        0
1997

FY1998    11,554      0               0               (11,554)        0

FY1999    13,193      (1,085)      (820)           (373)    10,915

FY2000    11,708      (1,660)      (3,367)         0         17,596

FY2001    7,107       (1,355)      (2,400)         0           20,948

FY2002    8,881       0              (2,400)         0           27,429

FY2003    8,825       0              (3,800)         0           32,454

July 1,
2003-
Dec.31,   4,510       0               (3,887)         0            33,077
2003(1)

Totals    133,652     (4,100)      (16,674)        (79,801)   33,077

Notes:

1. Projections are provided through current NRC Certification of Compliance expiration date, December 31, 2003.

2. DOE retains liability for depleted uranium generated prior to USEC's privatization (July 28, 1998) per USEC Privatization Act (Public Law 104-134, Sec 3109, paragraph (a)(3)).

3. Total to be transferred to DOE is the quantity in 2026 48G cylinders, estimated to total approximately 16,674 MTU. [USEC paid over US$50 million for this transfer.]