ProMIS Neurosciences Closing Private Placement

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TORONTO, June 26, 2019 /CNW/ - ProMIS Neurosciences, Inc. (TSX: PMN) (OTCQB: ARFXF), a biotechnology company focused on the discovery and development of antibody therapeutics targeting toxic oligomers implicated in the development of neurodegenerative diseases, is pleased to announce that it is closing today a private placement of 4,680,000 units (the "Units") at a price of CDN$0.25 (or US$0.1875) per Unit (the "Offering Price") for gross proceeds of approximately CDN$1,170,000 (the "Offering").

"We are pleased with the completion of this private placement", stated Dr. Elliot Goldstein, ProMIS President and CEO. "The additional funds coupled with our conservative expenditure management support a cash runway into late 2019."

Each Unit consists of one common share of the Company (each a "Share") and one share purchase warrant of the Company (each a "Warrant"). Each Warrant entitles the holder thereof to purchase one Share ("a "Warrant Share") at an exercise price of $0.35 per Warrant Share at any time for five years.

All securities issued in connection with the Offering will be subject to a four-month statutory hold period in accordance with applicable securities laws. Net proceeds from the Offering are intended to be used for working capital and general corporate purposes. Closing of the Offering is subject to TSX approval.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of the securities in any state in which such offer, solicitation or sale would be unlawful. The securities issued, or to be issued, under the Offering have not been, and will not be, registered under the United States Securities Act of 1933, as amended, and may not be offered or sold in the United States absent registration or an applicable exemption from registration requirements.

About ProMIS Neurosciences Inc.

ProMIS Neurosciences, Inc. is a development stage biotechnology company focused on discovering and developing antibody therapeutics selectively targeting toxic oligomers implicated in the development and progression of neurodegenerative diseases, in particular Alzheimer's disease (AD), amyotrophic lateral sclerosis (ALS) and Parkinson's disease (PD). The Company's proprietary target discovery platform is based on the use of two complementary thermodynamic, computational discovery engines -ProMIS and Collective Coordinates – to predict novel targets known as Disease Specific Epitopes on the molecular surface of misfolded proteins. Using this unique precision approach, the Company is developing novel antibody therapeutics for AD, ALS and PD. ProMIS is headquartered in Toronto, Ontario, with offices in Cambridge, Massachusetts. ProMIS is listed on the Toronto Stock Exchange under the symbol PMN, and on the OTCQB Venture Market under the symbol ARFXF.

Visit us at www.promisneurosciences.com or follow us on Twitter and LinkedIn

The TSX has not reviewed and does not accept responsibility for the adequacy or accuracy of this release. This information release contains certain forward-looking information, including about the timing and completion of the Offering, the receipt of TSX approval and the expected use of proceeds from the Offering. Such information involves known and unknown risks, uncertainties and other factors that may cause actual results, performance or achievements to be materially different from those implied by statements herein, and therefore these statements should not be read as guarantees of future performance or results. All forward-looking statements are based on the Company's current beliefs as well as assumptions made by and information currently available to it as well as other factors. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. Due to risks and uncertainties, including the risks and uncertainties identified by the Company in its public securities filings, actual events may differ materially from current expectations. The Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

SOURCE ProMIS Neurosciences Inc.

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