What's Inside: Duratek Completes De-fueling of Cold-War Era Reactor Duratek Awarded Contract for Disposition of Enriched Uranium-233 Duratek Employee Elected to Serve with Division of American Nuclear Society Duratek Performs Design and Testing of Transport System for Fernald Silos 1&2 Project TRU Waste Retrieval at Hanford Site Duratek Installs State-of-the-Art Liquid Processing System at Commercial Nuclear Power Plant 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         1rst Quarter 2004 Financial Highlights Common Stock Ownership: Market: Nasdaq Symbol: DRTK Shares Outstanding: 14,085,203 (as of 05/03/2004) 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 three-month period ended March 28, 2004, net income was $3.1 million, or $0.21 per diluted share, as compared to net income before cumulative effect of a change in accounting principle of $2.6 million, or $0.13 per diluted share, for the same period in 2003. The 19% increase in net income was due to the higher operating margins achieved during the quarter partially offset by higher interest expense. Revenues of $64.2 million for the three months ended March 28, 2004 were comparable to revenues of $63.8 million for the same period in 2003.