Lantheus Medical Imaging, Inc. (the “Company”) announced today that it has completed its previously announced offer to exchange (the “Exchange Offer”) up to $150,000,000 in aggregate principal amount of its currently outstanding 9.750% Senior Notes due 2017 (the “Initial Notes”) for an equal aggregate principal amount of its new 9.750% Senior Notes due 2017 (the “New Notes”) that have been registered under the Securities Act of 1933, as amended (the “Securities Act”). The Exchange Offer expired at 5:00 p.m. Eastern Time on May 9, 2011. All of the Initial Notes were submitted for exchange, and the Company has accepted for exchange all the Initial Notes validly tendered and not withdrawn pursuant to the Exchange Offer.