CO2 Solutions Successfully Completes Commissioning of it First Commercial Carbon Capture Unit

Provides Update on its Saint-Félicien Project and Highlights Project Results Validated by an Independent Engineering Firm

TSX-V: CST

QUEBEC CITY, April 29, 2019 /PRNewswire/ - CO₂ Solutions Inc. (the "Corporation") (TSXV: CST) is pleased to report that, after only two weeks, it has successfully completed the commissioning of its first commercial carbon capture unit. The project, with Fibrek General Partnership, a subsidiary of Resolute Forest Products Inc. (TSX: RFP) (NYSE: RFP), and Serres Toundra Inc., involved the deployment of a 30-tonne per day (tpd) CO₂ capture unit (the "Unit") and ancillary equipment at the RFP pulp mill in Saint-Félicien, Quebec and the commercial reuse of the captured CO₂ by the adjacent Serres Toundra greenhouse facility.

As part of the commissioning phase, the CO₂ Solutions contracted Tetra Tech, an independent consulting engineering services firm, to review the Unit's operational efficiency and deliver a performance audit report (the "Audit"). In particular, the Corporation sought to validate the Unit's nominal capacity of 30 tonnes-CO₂ per day and the ability of the pulp mill to provide all the thermal requirements of the Unit with only residual low-grade energy (i.e. hot water).

The Audit confirmed the following:

1. The Unit and its components are accurately sized to produce at least 30 tonnes-CO₂ per day under normal operating conditions.
2. The quantity of thermal energy required by the reboiler of the Unit is only 2.4 GJ/tonne-CO₂.
3. The required thermal energy is entirely provided by the pulp mill through residual, low-grade energy (i.e. hot water) that has nil-value and no parasitic impact on the mill's energy balance.
4. The quantity of electrical energy required to operate the Unit translates into a cost of only C$7.35/tonne-CO₂ (or less than USD 5.00/tonne-CO₂).

Along with these excellent results confirmed by the Audit, the Corporation recorded two additional significant operating outcomes during this commissioning period; the first is related to enzyme half-life (i.e. durability)_, and the second is related to the quality of the CO₂ produced for delivery to the greenhouse.

Regarding enzyme half-life, the configuration of the Unit enabled a doubling of the enzyme's half-life relative to what had been observed in earlier large-scale demonstrations of the Corporation's technology. This gain is the result of modifications to the process following the 2015 Valleyfield demonstration and clearly demonstrates the cost reduction potential of the Corporation's enzymatic technology.

With respect to CO₂ quality, an analysis of the samples drawn from the Unit confirmed its high degree of purity which was well within the stringent guidelines required by greenhouse operators. This purity level was obtained even though the Unit draws  raw and unpolished flue gas from the pulp mill's lime kiln, which mimics conditions similar to those found in cement plants and other industrial applications.

"We are very proud of the outstanding results confirmed by Tetra Tech," stated Richard Surprenant, CO₂ Solutions' Chief Technology Officer. "Our Saint-Félicien capture unit represents several firsts for the global carbon capture industry:

• First commercial deployment of an enzymatic carbon capture process;
• First carbon capture unit in the forest industry;
• First carbon capture from unpolished emissions of a lime kiln.
• First capture unit using only residual thermal energy in the form of hot water (and only 2.4 GJ/tonne-CO₂) creating no parasitic load on the host plant, a critical factor in reducing the overall cost of carbon capture.
• First unit making extensive use of C-PVC as a low-cost material in a carbon capture unit.
• Total combined cost of the thermal energy and the electricity required by the Unit comes to only C$7.35/tonne-CO₂ (or less than USD 5.00/tonne-CO₂), which to our knowledge is an absolute low for a carbon capture unit of any scale.

The fact that we have been able to demonstrate such an outstanding performance after only two weeks of commissioning and to achieve such a high-quality product from an unpolished flue gas is testimony to the simplicity and durability of our enzymatic technology. And of course, our enzymatic process doesn't use any toxic materials or inputs, and generates no toxic wastes, effluents or emissions. It's a cleantech that is truly clean!!"

The construction of the Saint-Félicien CO₂ capture plant was partly financed with grants from Sustainable Development Technology Canada (SDTC) and a loan from Canada Economic Development (DEC).   This project also received financial support from the Green Fund through the Technoclimat program of Quebec Energy Transition (Transition énergétique Québec).  Earlier research and development costs have been subsidized, in part, through grants from the Natural Resources Canada Energy Innovation Program.

During the coming weeks, the Corporation and its partners, Resolute Forest Products and Serres Toundra, will prepare for the expected transition to commercial operation of the Unit providing a stream of clean captured CO₂ to the nearby Serres Toundra greenhouses. This milestone will confirm the enzymatic technology's attainment of Technology Readiness Level (TRL) 8.

The Corporation continues to attract strong interest from corporations worldwide seeking a proven, cost-effective and environmentally friendly CO₂ capture technology. CO₂ Solutions believes the breakthrough capture technology it has developed can fulfil the industry's needs.

Evan Price, CO₂ Solutions' Chief Executive Officer, reflects on the project and its significance for the corporation and the industry: "We are very appreciative of the support and cooperation we have received during the project from our partners Resolute Forest Products and Serres Toundra. I also want to take this opportunity to thank all the contractors that have helped CO₂ Solutions successfully deliver this project. This 30-tonnes per day unit is an important evolutionary step toward providing the technology scale-up; a small but important step compared to where this technology is heading. Our proprietary technology, with this Saint-Félicien Unit, will provide recurring revenue for the Corporation and be of interest to many parties from various industrial segments."

About CO₂ Solutions Inc.

CO₂ Solutions is a carbontech leader in the field of enzyme-enabled carbon capture and has been actively working to develop and commercialize the technology for stationary sources of carbon pollution. CO₂ Solutions' technology lowers the cost barrier to Carbon Capture, Utilization and Sequestration (CCUS), positioning it as a viable CO₂ mitigation tool, as well as enabling industry to derive profitable new products from these emissions. CO₂ Solutions has built an extensive patent portfolio covering the use of carbonic anhydrase, or analogues thereof, for the efficient post-combustion capture of carbon dioxide with low‐energy aqueous solvents. Further information can be found at www.co2solutions.com. Certain statements in this news release may be forward-looking. These statements relate to future events or CO₂ Solutions' future economic performance and reflect the current assumptions and expectations of management. Certain unknown factors may affect the events, economic performance and results of operation described herein. CO₂ Solutions undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required under applicable law.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

SOURCE CO2 Solutions Inc.

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www.co2solutions.com

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