Oncothyreon Announces Webcast to Review Updated Clinical Data on ONT-380 in HER2-Positive Breast Cancer Patients

Oncothyreon Inc. (Nasdaq:ONTY), a clinical-stage biopharmaceutical company dedicated to the development of therapeutic products that can improve the lives and outcomes of patients with cancer, today announced that it will conduct a conference call on Tuesday, December 8, 2015 at 4:30 p.m. Eastern Time (1:30 p.m. Pacific) to discuss new clinical data from ongoing clinical trials of ONT-380, an orally active, reversible and selective small-molecule HER2 inhibitor being developed for the treatment of metastatic breast cancer.  The data, which include additional and updated clinical trial data on ONT-380 for the treatment of patients with HER2-positive metastatic breast cancer, as well as an analysis of patients who suffer from central nervous system (CNS) metastases, are slated for presentation during the San Antonio Breast Cancer Symposium (SABCS) being held December 8-12, 2015 in San Antonio, TX.

To participate in the call by telephone, please dial [phone] (United States) or [phone] (International).  In addition, the call will be webcast live and can be accessed on the "Events" page of the "News & Events" section of Oncothyreon’s website at www.oncothyreon.com. An archive of the webcast will be available after completion of the discussion and will be posted on the Oncothyreon website.

About OncothyreonOncothyreon is a clinical-stage biopharmaceutical company specializing in the development of innovative therapeutic products for the treatment of cancer. Our goal is to discover, develop and commercialize novel compounds that have the potential to improve the lives and outcomes of cancer patients. For more information, visit www.oncothyreon.com.

CONTACT:

Investor Relations:
Julie Rathbun
Rathbun Communications
206-769-9219
[e-mail]

Media Relations:
Kelly France, Ph.D.
BrewLife
415-946-1076
[e-mail]