$OGRMF Announces License Renewal

MONCTON, NEW BRUNSWICK–(Marketwired – Apr 6, 2015) – OrganiGram Holdings Inc. (TSX VENTURE:OGI) (OGRMF) (the “Company“) is pleased to announce that it has received an annual renewal of its license to cultivate and sell marijuana under the Marihuana for Medical Purposes Regulations (MMPR).

“The team at Organigram has worked diligently to ensure that the Company has continued to meet the standards set by the industry’s regulatory bodies and operate in accordance with the MMRP. We look forward to continuing to provide the best quality product and service possible for our current and future patients.”

The license renewal allows for Organigram to grow and sell medical marijuana over the next 12 months. The company is currently awaiting Health Canada inspection of 4 additional grow rooms and plans to submit a capacity amendment as soon at the inspection is completed.

On March 16^th, 2015, the Company announced the harvest of 95lbs of saleable product; the product from this harvest is in demand and sales are progressing as planned. The company expects to complete a harvest of a larger size in the third week of April 2015.

About Organigram Holdings Inc.

Organigram Holdings Inc. is a TSX Venture Exchange listed company whose wholly owned subsidiary, Organigram Inc., is a licensed producer of medical marijuana in Canada. Organigram is focused on producing the highest quality, condition specific medical marijuana for patients in Canada. Organigram’s facility is located in Moncton, New Brunswick and the Company is regulated by the Marihuana for Medical Purposes Regulations.

Please visit www.organigram.ca for more information.

On Behalf of the Board of Directors of Organigram,

Denis Arsenault, Director & CEO

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release contains forward-looking information, which involves known and unknown risks, uncertainties and other factors that may cause actual events to differ materially from current expectation. Important factors – including the availability of funds, the results of financing efforts, the results of exploration activities — that could cause actual results to differ materially from the Company’s expectations are disclosed in the Company’s documents filed from time to time on SEDAR (see www.sedar.com). Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. The company disclaims any intention or obligation, except to the extent required by law, to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.