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Mauna Kea Technologies Announces the Publication in Surgical Endoscopy of Positive Results from Large U.S. Prospective Multi-Center Clinical Trial on Detection of Barrett’s Esophagus with Cellvizio®

September 26, 2018

PARIS & BOSTON--(BUSINESS WIRE)--Sep 26, 2018--Regulatory News:

Mauna Kea Technologies (Paris:MKEA) (OTCQX:MKEAY) inventor of Cellvizio®, the multidisciplinary probe and needle-based confocal laser endomicroscopy (pCLE/nCLE) platform, today announced a new peer-reviewed publication in Surgical Endoscopy highlighting positive results of utilizing Cellvizio to aid in the screening and surveillance of Barrett’s Esophagus. The article, entitled “Real-time diagnosis of Barrett’s esophagus: a prospective, multicenter study comparing confocal laser endomicroscopy with conventional histology for the identification of intestinal metaplasia in new users,” reports considerably more sensitive results when using pCLE in detecting Barrett’s Esophagus than the Seattle Protocol, which is part of the current theoretical diagnostic standard.

Dr Severson, MD, FACS, Co-Director, Minnesota Reflux and Heartburn Center, and his co-investigators concluded in their publication that “Monitoring gastroesophageal reflux disease (GERD) is critical because Barrett’s esophagus is associated with increased risk of developing esophageal cancer. […] pCLE is considerably more sensitive in the detection of Barrett’s esophagus than the Seattle Protocol. Overall, pCLE provides a promising advance in Barrett’s detection which will likely result in superior identification of individuals at risk for esophageal adenocarcinoma, even when performed by novice users.”

The study recruited 172 patients at 8 centers and led to the following key results:

Novice pCLE users identified more than double the number of patients with intestinal metaplasia (or Barrett’s Esophagus) than with the Seattle Protocol: 99 vs. 46. This result was statistically significant (p < 0.0001); A blinded expert review of discrepant results between Cellvizio and biopsies confirmed that intestinal metaplasia detected by Cellvizio was indeed present in 56 of 61 patients with negative biopsies. There was no statistically significant difference in performance between novice pCLE users and expert review.

“This study appears at a time when the link between reflux disease, Barrett’s Esophagus and esophageal carcinoma is widely publicized by gastroenterology professional societies. The study demonstrates the broad applicability of pCLE for routine esophageal surveillance,” commented Sacha Loiseau, Ph.D., CEO and co-founder of Mauna Kea Technologies. “This publication establishes further validation to Cellvizio’s superior sensitivity in the detection of Barrett’s Esophagus compared to standard protocol and provides a major advancement towards more accurate identification of individuals at risk for esophageal adenocarcinoma.”

About Mauna Kea Technologies Mauna Kea Technologies is a global medical device company focused on eliminating uncertainties related to the diagnosis and treatment of cancer and other diseases thanks to real time in vivo microscopic visualization. The Company’s flagship product, Cellvizio, has received clearance to sell a wide range of applications in more than 40 countries, including the United States, Europe, Japan, China, South Korea, Canada, Brazil and Mexico. For more information on Mauna Kea Technologies, visit www.maunakeatech.com

Disclaimer This press release contains forward-looking statements concerning Mauna Kea Technologies and its activities. Such forward looking statements are based on assumptions that Mauna Kea Technologies considers to be reasonable. However, there can be no assurance that the anticipated events contained in such forward-looking statements will occur. Forward- looking statements are subject to numerous risks and uncertainties including the risks set forth in the registration document of Mauna Kea Technologies registered by the French Financial Markets Authority (Autorité des marchés financiers (AMF)) on April 27, 2018 under number R.18-0429 and available on the Company’s website ( www.maunakeatech.com ), and to the development of economic situation, financial markets, and the markets in which Mauna Kea Technologies operates. The forward-looking statements contained in this release are also subject to risks unknown to Mauna Kea Technologies or that Mauna Kea Technologies does not consider material at this time. The realization of all or part of these risks could lead to actual results, financial conditions, performances or achievements by Mauna Kea Technologies that differ significantly from the results, financial conditions, performances or achievements expressed in such forward-looking statements. This press release and the information it contains do not constitute an offer to sell or to subscribe for, or a solicitation of an order to purchase or subscribe for, Mauna Kea Technologies shares in any country.

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CONTACT: Mauna Kea Technologies

United States

The Ruth Group

Lee Roth / Emma Poalillo

646-536-7012 / 7024

rflamm@theruthgroup.com/epoalillo@theruthgroup.com

or

U.S. Media

The Ruth Group

Kirsten Thomas, 508-280-6592

kthomas@theruthgroup.com

or

France and Europe

NewCap

Investor Relations

Tristan Roquet Montégon, +33 (0)1 44 71 94 94

maunakea@newcap.eu

KEYWORD: UNITED STATES EUROPE NORTH AMERICA FRANCE MASSACHUSETTS

INDUSTRY KEYWORD: SURGERY HEALTH BIOTECHNOLOGY CLINICAL TRIALS MEDICAL DEVICES ONCOLOGY OTHER HEALTH RESEARCH SCIENCE

SOURCE: Mauna Kea Technologies

Copyright Business Wire 2018.

PUB: 09/26/2018 11:45 AM/DISC: 09/26/2018 11:45 AM

http://www.businesswire.com/news/home/20180926005720/en

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