CARBIOS — Capital/Financing Update 2016

Dec 19, 2016

- Press release -

CARBIOS: Transfer of the liquidity contract from Invest Securities to Gilbert Dupont

Clermont-Ferrand, France, December 19, 2016 – CARBIOS (NYSE Alternext in Paris: ALCRB), an innovative green chemistry company specializing in enzymatic bioprocesses applied to plastic and textile polymers, today announces the transfer of its liquidity contract previously held by Invest Securities to the company Gilbert Dupont.

Report on the end of the liquidity contract with Invest Securities:

The companies CARBIOS and Invest Securities terminated the liquidity contract agreement dated December, 13, 2013. This termination became effective on the evening of December 16, 2016.

At this date of December 16, 2016 in the evening, the following assets appeared on the liquidity account:

• Number of shares: 15 016
• Cash balance of the liquidity account: €38,779.55

Implementation of a new liquidity contract with Gilbert Dupont:

By contract on December 2, 2016, the company CARBIOS has entrusted the investment firm Gilbert Dupont to implement a new liquidity contract in compliance with the deontology charter of l'Association Française des Marchés Financiers (AMAFI) and approved by l'Autorité des marchés financiers. This contract shall start on the morning of December 19, 2016.

For the implementation of this liquidity contract, the following assets have been affected to the liquidity account:

• Number of shares: 15 016
• Cash balance of the liquidity account: €38,779.55

For the record, as of the half-year report on June 30, 2016, the following assets appeared on the liquidity account:

• Number of shares: 11 312
• Cash balance of the liquidity account: €21,467.63

About CARBIOS

CARBIOS is a young, innovative green chemistry company, whose mission is to find biological solutions to the environmental and sustainable development issues faced by industrial businesses today.

CARBIOS acquired the rights to research that was conducted over a number of years by various public and private sector laboratories. By leveraging the unique properties of biological catalysts (enzymes), it has used this research as the foundation for developing innovative industrial bioprocesses that optimize the technical, economic and environmental performance of polymers (thermoplastic materials and synthetic or food-based fibers). The company has focused its efforts on a strategic application sector: plastics. CARBIOS' growth strategy is based on a clear business model of industrial value creation that targets attractive markets, develops innovative and competitive bioprocesses and licenses them to major industrial stakeholders for commercialization. CARBIOS benefits from the financial support of the leading European venture capital firm Truffle Capital. CARBIOS was founded in 2011 and has been managed, since its inception, by the Holding Incubatrice Chimie Verte fund. CARBIOS was granted the label "Young Innovative Company" by Bpifrance (former OSEO) and is eligible for investments by private equity mutual funds (FCPIs).

For more information, please visit: www.carbios.fr

CARBIOS is eligible for the PEA-PME, a government program allowing French residents investing in SMEs to benefit from income tax rebates.

Contacts: CARBIOS Benjamin Audebert Investor Relations +33 (0)4 73 86 51 76 contact@carbios.fr

ALIZE RP Press relations Caroline Carmagnol / Wendy Rigal +33 (0)1 44 54 36 66 +33 (0)6 48 82 18 94 carbios@alizerp.com