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December 5, 2014
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/s/ Raymond F. Schinazi
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| Date | Raymond F. Schinazi | |
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December 5, 2014
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/s/ Phillip Frost, M.D.
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| Date | Phillip Frost, M.D. | |
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December 5, 2014
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Frost Gamma Investments Trust
By: /s/ Phillip Frost, M.D.
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| Date | Phillip Frost, M.D., Trustee | |
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December 5, 2014
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OPKO Health, Inc.
By: /s/ Phillip Frost, M.D.
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| Date | Phillip Frost, M.D., Chief Executive Officer | |
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December 5, 2014
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Bracrystal Pharmaceuticals, LLC
By: /s/ Vinzenz Ploerer
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| Date | Vinzenz Ploerer, President and Chief Executive Officer | |
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December 5, 2014
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/s/ Gary Wilcox
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| Date | Gary Wilcox | |
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December 5, 2014
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/s/ Roger Kornberg
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| Date | Roger Kornberg | |
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December 5, 2014
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/s/ Sam Lee
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| Date | Sam Lee | |
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December 5, 2014
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/s/ Steven D. Rubin
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| Date | Steven Rubin |