International Isotopes Inc. Announces Completing A New Long Term Sales Agreement For High Activity Cobalt

IDAHO FALLS, Idaho, March 14 /PRNewswire-FirstCall/ -- International Isotopes Inc. (BULLETIN BOARD: INIS) is pleased to announce completion of a new three year sales agreement to supply high activity cobalt to one of the largest and most diversified industrial corporations in the world. This is a fixed price guaranteed minimum requirements agreement that extends through December 31, 2007. The total value of the sales agreement is at least $1.5 million.

Steve T. Laflin, President and CEO said, "The Company is very pleased to have completed this agreement and be able to continue our long term cobalt supply relationship with this customer."

About International Isotopes Inc.

International Isotopes Inc. manufactures a full range of nuclear medicine calibration and reference standards, manufactures a range of cobalt-60 products such as teletherapy sources, and provides a wide selection of radioisotopes and radiochemicals for medical devices, calibration, clinical research, life sciences, and industrial applications. The Company also provides a host of analytical, measurement, recycling, and processing services on a contract basis to clients.

International Isotopes Inc. Safe Harbor Statement

Forward-looking statements in this press release are made pursuant to the safe harbor provision of the federal securities laws. Information contained in forward-looking statements is based on current expectations and is subject to change. Actual results may differ materially from the forward-looking statements. Many factors could cause actual results to differ materially from the forward-looking statements. Readers are directed to read the risk factors detailed from time to time in the company's filings with the Securities and Exchange Commission, including the company's annual report on Form 10-KSB for the year ending December 31, 2003.

For More Information, Contact: Steve Laflin, President and CEO (208) 524-5300

International Isotopes Inc.

CONTACT: Steve Laflin, President and CEO of International Isotopes Inc.,+1-208-524-5300

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