Press Release

Eckert & Ziegler Isotope Products Announces End of License Agreement with Radqual and International Isotopes

Valencia, California, USA, March 14, 2007 - Eckert & Ziegler Isotope Products announces that Radqual LLC of Concord, New Hampshire has verified in writing that it has now developed its own process to manufacture Gamma camera flood sources and is no longer using Isotope Products technology. Consequently, the license agreement allowing Radqual and International Isotopes the use of Isotope Products technology has expired as of January 1st, 2007.

Eckert & Ziegler AG is a global isotope technology company and a holding company for a number of specialized subsidiaries that process radioisotopes as well as develop, manufacture and sell isotope technology components, medical technology equipment and related products. Eckert & Ziegler employs around 300 people worldwide. Throughout all of its subsidiaries it generates yearly consolidated revenues of approximately $ 65 MM(50 Mio. EUR). Eckert & Ziegler AG is listed in the Prime Standard of the German Stock Exchange in Frankfurt am Main (ISIN DE0005659700). Since Eckert & Ziegler acquired Isotope Products Laboratories in 1999, it has extended its medical imaging product portfolio with innovations such as multimodal sources and the world's only flexible flood source, Perflexion™. IPL has continued to increase its global reach through the acquisition of its European distributor Isotope Products Europe (now Eckert & Ziegler Isotope Products GmbH) and its European manufacturing company Eckert & Ziegler CESIO s.r.o. Through these moves Eckert & Ziegler Isotope Products will continue to be a market leader in the Medical Imaging, Industrial and Calibration markets for radioisotopes. By entering promising emerging technology markets IPL ensures its leadership over the upcoming years.

About Eckert & Ziegler Isotope Products: Celebrating its Fortieth (40th) Year, Eckert & Ziegler Isotope Products, is a subsidiary of Eckert & Ziegler AG, and is the world's leading manufacturer for nuclear imaging reference and calibration standards and a leading producer of radioactive components for industrial, scientific and medical applications. For further information, please visit www.ezag.com.

The Board of Directors