OrganiGram Completes Largest Harvest and Launches Online Doctor Portal

MONCTON, NEW BRUNSWICK--(Marketwired - May 19, 2015) - OrganiGram Holdings Inc. (TSX VENTURE:OGI)(OTCQX:OGRMF) (the "Company") is pleased to announce that it has completed its second large harvest from one of the new flowering rooms and successfully increased the production yield. This harvest, consisting of over 100lbs of a variety of organically grown, non-irradiated strains, will be available to all registered clients over the next two to three weeks.

"We have developed our organic processes and production facility to a stage where we are able to supply our rapidly increasing client base with a variety of quality medical marijuana strains on a consistent basis," said OrganiGram President Roger Rogers. "Our clients have been very understanding throughout our expansion, providing us with valued feedback that has allowed us to ensure we can continue to exceed their expectations."

Additionally, Organigram is please to announce the launch of its online "Secure Doctor Portal". This portal has been designed in order to simplify the prescribing process for doctors and facilitate easy and quick access to our products for patients. Through this portal, doctors will be able to instantly submit their patient's "medical documents" electronically (prescription) and securely, avoiding the cumbersome process and delay when manually completing and mailing a medical document. Furthermore, doctors will also have the option of simultaneously completing their patient's "registration documents" electronically, allowing for the submission of a medical marijuana application within minutes.

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, Roger Rogers, Director & President

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.