Mauna Kea Technologies 2012 Financial Calendar

Paris (France) - January 5, 2012 - Mauna Kea Technologies (NYSE Euronext: MKEA, FR0010609263), the leader in the endomicroscopy market, today announces its schedule for the publication information for 2012.

Event / Date *

2011 annual revenues / Thursday January 19, 2012

2011 annual results / Wednesday April 4, 2012

2012 First-quarter revenues / Tuesday May 15, 2012

Annual General Meeting / Friday June 15, 2012

2012 First-half revenues / Monday July 30, 2012

2012 first-half results / Thursday August 30, 2012

2012 third-quarter revenues / Tuesday November 13, 2012

* Subject to modification. Press releases are published after market closes.

About Mauna Kea Technologies

Mauna Kea Technologies is a global medical device company and a leader in endomicroscopic innovation. The company designs, develops and markets innovative tools to visualize and help detect abnormalities in the gastrointestinal and pulmonary tracts. Its flagship product (Cellvizio®, a probe-based confocal laser endomicroscopy (pCLE) system) provides physicians and researchers with high-resolution cellular views of tissue inside the body. Large, international, multicenter clinical trials have demonstrated Cellvizio®’s ability to help physicians more accurately detect early forms of disease and make treatment decisions immediately. Designed to improve patient outcomes and reduce hospital costs, Cellvizio can be used with almost any endoscope. Cellvizio® has 510(k) clearance from the U.S. Food and Drug Administration and the European CE-Mark for use in the gastrointestinal and pulmonary tracts.

For more information on Mauna Kea Technologies, visit www.maunakeatech.com

United States

Erich Sandoval

Lazar Partners Ltd.

Tel: +1 917 497 2867

esandoval@lazarpartners.com

Mauna Kea Technologies

Alexander Bryson

Marketing Communications and Brand Manager

Tel: +33 (0) 1 70 08 09 92

alexander@maunakeatech.com

France and Europe

ALIZE RP

Caroline Carmagnol

Tel: + 33 1 42 68 86 43 / + 33 6 64 18 99 59

caroline@alizerp.com

Anne–Sophie Cosquéric

Tel: + 33 1 42 68 86 41

Anne-sophie@alizerp.com

NewCap

Investor Relations and Financial Communication

Pierre Laurent / Florent Alba

Tel: +33 1 44 71 94 94

maunakea@newcap.fr

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