Study Concludes Radiofrequency Ablation Is Effective Local Treatment for Liver Cancer Patients With Cirrhosis and Small Lesions

Sales of $3.9 Million; Reduced Operating Expenses and Cash Burn Rate; Improved Bottom-Line Results

E-Z-EM Considers Spin-Off and IPO of AngioDynamics subsidiary E-Z-EM Considers Spin-Off and IPO of AngioDynamics subsidiary LAKE SUCCESS, N.Y., Tuesday, October 20, 2003 – E-Z-EM, Inc. (AMEX: EZM) announced today that it was considering a spin-off and initial public offering of its

Sales of $3.9 Million; Reduced Operating Expenses and Cash Burn Rate; Improved Bottom-Line Results

Verona University Medical School Study Reports Three-Year Survival Rates Comparable to Surgical Resection in the Journal of Hepato-Gastroenterology

AngioDynamics Announces Availability of the AquaLiner™ Hydrophilic Guidewire in the United States AngioDynamics Announces Availability of the AquaLiner™ Hydrophilic Guidewire in the United States Queensbury, NY; October 15, 2003 -- AngioDynamics, Inc., a wholly owned subsidiary of

RITA Medical Systems, Inc. Ranked 228th Fastest Growing Technology Company in North America on the 2003 Deloitte Technology Fast 500 RITA Medical Systems, Inc. Ranked 228th Fastest Growing Technology Company in North America on the 2003 Deloitte Technology Fast 500 MOUNTAIN VIEW, Calif., Oct.

RITA Medical Systems to Present at Rodman & Renshaw Techvest Healthcare Conference MOUNTAIN VIEW, Calif., Oct. 9 /PRNewswire-FirstCall/ -- RITA Medical Systems, Inc. (Nasdaq: RITA) today announced that it is scheduled to make an investor presentation at the Rodman & Renshaw Techvest Healthcare

RITA Medical Systems Announces Date and Time for Third Quarter and Nine-Month Results Release and Conference Call RITA Medical Systems Announces Date and Time for Third Quarter and Nine-Month Results Release and Conference Call MOUNTAIN VIEW, Calif., Oct.

Experienced Marketing Executive to Focus on the Development of Integrated Marketing Communications Programs for Existing and New Markets

Proven Sales and Marketing Executive to Focus on International Sales Growth/Market Share

New StarBurst(TM) Semi-Flex Gives Interventional Radiologists New Options for Treating Cancer Tumors Using Image-Guided Radiofrequency Ablation Techniques

RITA Medical Systems Appoints Wesley E. Johnson, Jr. And Joseph M. DeVivo to Board MOUNTAIN VIEW, Calif., Aug. 19 /PRNewswire-FirstCall/ -- RITA Medical Systems, Inc. (Nasdaq: RITA) today announced it has appointed senior medical industry executive Wesley E.

AngioDynamics Announces Distribution Agreement With Nipro Medical Corporation For The Aqualiner Hydrophilic Guidewire Queensbury, NY; July 31, 2003 – AngioDynamics, Inc., a wholly owned subsidiary of E-Z-EM, Inc., (AMEX: EZM) today announced that it has entered into an exclusive distribution

RITA Medical Systems Names Joseph M. DeVivo as President and Chief Executive Officer MOUNTAIN VIEW, Calif., July 29 /PRNewswire-FirstCall/ -- RITA Medical Systems, Inc. (Nasdaq: RITA) today announced it has hired experienced medical industry executive Joseph M.

RITA Medical Systems Announces Second Quarter, Six-Month Results MOUNTAIN VIEW, Calif., July 22 /PRNewswire-FirstCall/ -- RITA Medical Systems, Inc. (Nasdaq: RITA) today announced results for its second quarter and six months ended June 30, 2003. Total sales for the second quarter of 2003 were $4.0

AngioDynamics Announces Introduction Of Soft-Vu® 4F High Flow Angiographic Catheters Queensbury, NY; July 9, 2003 – AngioDynamics, Inc., a wholly owned subsidiary of E-Z-EM, Inc., (AMEX: EZM) announced today the introduction of Soft-Vu® 4F High Flow Angiographic Catheters—an

RITA Medical Systems Comments on Second Quarter Results MOUNTAIN VIEW, Calif., July 7 /PRNewswire-FirstCall/ -- RITA Medical Systems, Inc. (Nasdaq: RITA) today announced that the Company would report revenues lower than its previous revenue guidance for the second quarter ended June 30, 2003.

RITA Medical Systems Holds Annual Meeting MOUNTAIN VIEW, Calif., June 27 /PRNewswire-FirstCall/ -- RITA Medical Systems, Inc. (Nasdaq: RITA) today announced that it held its Annual Meeting of Shareholders on Thursday, June 26, 2003, at Venture Law Group in Menlo Park, CA, as scheduled.

Multi-Center Study Shows RITA Medical Systems Radiofrequency (RF) Technology Effective at Destroying Lung Tumors Data From Multiple Medical Centers Demonstrates Efficacy for Primary, Metastatic Tumors MOUNTAIN VIEW, Calif., June 2 /PRNewswire-FirstCall/ -- RITA Medical Systems, Inc.