Advisory: MDS Nordion to Hold Analyst Conference Call to Discuss Signing of
Framework Agreement with JSC Isotope

OTTAWA, Sept. 23 /CNW/ - MDS Inc. (TSX: MDS; NYSE: MDZ), a leading provider of products and services to the global health science market, today announced it has entered into a framework agreement with The Open Joint Stock Company "Isotope" (Isotope), the authorized subsidiary of Rosatom State Corporation, to explore and define areas of collaboration in the field of supply, marketing and sale of isotopes produced in Russia.

Conference Call

The Company will host an analyst conference call on Monday, September 27, 2010 at 11:00 am ET with Steve West, Chief Executive Officer to discuss the announcement. Peter Dans, Senior Vice President and Chief Financial Officer and Jill Chitra, Senior Vice President, Strategic Technologies & Regulatory Affairs will accompany Mr. West on the call.

You may dial 416-340-2216 (Toronto and international) or 1-866-226-1792 (toll free North America) to join the call. Interested parties may also access the live webcast of the conference call from the MDS Nordion website at www.mdsnordion.com. Following the call, a telephone replay will be available until Wednesday, October 27, 2010 by dialing 416-695-5800 or 1-800-408-3053, using access code: 6628440 followed by the number sign. An audio archive will be available on the website at http://www.mdsnordion.com/investors/webcasts_and_presentations.asp.

About MDS Inc.

MDS Inc. (TSX: MDS; NYSE: MDZ) is a global health science company that provides market-leading products and services used for the prevention, diagnosis and treatment of disease. We are a leading provider of innovative technologies for use in medical imaging and radiotherapeutics, and sterilization technologies benefiting the lives of millions of people in more than 65 countries around the world. Our products and services are used daily by pharmaceutical and biotechnology companies, medical-device manufacturers, hospitals, clinics and research laboratories. MDS has more than 600 highly skilled people in five locations. Find out more at www.mdsnordion.com.

For further information: MEDIA: Shelley Maclean, [phone] x. 2414, [email protected]; INVESTORS: Ana Raman, [phone], [email protected]