[July 03, 2015]

IMPORTANT INVESTOR ALERT: Goldberg Law PC Announces Securities Class Action Lawsuit Against IsoRay, Inc. And Advises Shareholders To Contact The Firm Prior To The Lead Plaintiff Deadline

Goldberg Law PC (www.Goldberglawpc.com) announces that a class action lawsuit has been filed in the United States District Court for the Eastern District of Washington against IsoRay, Inc. ("IsoRay" or the "Company") (NYSE: ISR), for alleged violations of the federal securities laws. Investors who purchased or otherwise acquired shares between May 20, 2015 and May 21, 2015 inclusive (the "Class Period"), have until July 21, 2015 to serve as lead plaintiff in the class action.

If you are a shareholder whosuffered a loss during the Class Period, we advise you to contact Michael Goldberg or Brian Schall, of Goldberg Law PC, 13650 Marina Pointe Dr. Suite 1404, Marina Del Rey, CA (News - Alert) 90292, at 800-977-7401, to discuss your rights without cost to you. You can also reach us through the firm's website at http://www.Goldberglawpc.com, or by email at [email protected].

The class in this case has not yet been certified, and until certification occurs, you are not represented by an attorney. If you choose to take no action, you can remain an absent class member.

IsoRay manufactures isotope-based medical products for the treatment of cancer and other malignant diseases. The Company produces Proxcelan Cesium-131 brachytherapy seeds for the treatment of various cancers. According to the complaint, on May 20, 2015, the Company issued a press release touting the publication of the first major peer reviewed study of Cesium-131 seeds for the treatment of non-small cell lung cancers. However, on May 21, 2015, TheStreet.com published an article claiming that IsoRay selectively edited findings from the study, making the product appear better than it was. The author of the article, Adam Feuerstein, stated that he did not consider the results of the study to be "outstanding." As a result of this news, shares of IsoRay fell over 35% on May 21, 2015, to close at $2.02 per share.

If you have any questions concerning your legal rights in this case, please immediately contact Goldberg Law PC at 800-977-7401, or visit our website at http://www.Goldberglawpc.com, or email us at [email protected].

Goldberg Law PC represents shareholders around the world and specializes in securities class actions and shareholder rights litigation.

This press release may be considered Attorney Advertising in some jurisdictions under the applicable law and ethical rules.

View source version on businesswire.com: http://www.businesswire.com/news/home/20150703005342/en/

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