What's Inside: Bear Creek Eliminates Aged Waste Pilgrim Station Awards Duratek Make-Up Water Contract Callaway Awards Water Processing Contract to Duratek Duratek Completes Reactor Decommissioning and Demolition Project at Los Alamos LAW Pilot Melter Completes Feed Testing for RPP-WTP How Duratek Is Responding to the Generation of Hotter Waste Duratek Transports Reactor Pressure Vessel to Barnwell Financial Highlights Company Information

S A F E ,  S E C U R E  R A D I O A C T I V E  M A T E R I A L S  D I S P O S I T I O N www.duratekinc.com         2nd Quarter 2003 Financial Highlights Common Stock Ownership: Market: Nasdaq Symbol: DRTK Shares Outstanding: 13,555,180 (as of 07/30/2003) Investor Inquiries: Diane R. Brown Corp. Secretary Investor Relations 10100 Old Columbia Rd. Columbia, MD 21046 phone (410) 312-5100 fax (410) 290-9070 investor@duratekinc.com For the six month period ended June 29, 2003, net income before cumulative effect of a change in accounting principle was $9.2 million, or $0.47 per diluted share, as compared to net income of $6.6 million, or $0.35 per diluted share, for the comparable period in 2002. Revenues of $140.6 million for the six months ended June 29, 2003 were comparable to the revenues of $141.5 million achieved during the same period in 2002. On a per share basis, net income after cumulative effect of change in accounting principle for the six months ended June 29, 2003 was $0.35 per diluted share. During the first quarter of 2003 the Company recorded a $2.4 million non-cash charge for the adoption of Financial Accounting Standard No. 143, "Accounting for Asset Retirement Obligations".