DevvStream Affiliate Monroe Sequestration Partners Signs Agreement with Southern Energy to Anchor Major Carbon Capture Project in Louisiana

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DevvStream's October 2024 acquisition of 50% of the common interests in Monroe Sequestration Partners directly connects the Company to one of the Gulf Coast's most strategic carbon storage and clean fuel sectors

Calgary, Alberta--(Newsfile Corp. - May 8, 2025) - DevvStream Corp. (NASDAQ: DEVS) ("DevvStream" or the "Company"), a leading carbon management firm specializing in the development, investment, and sale of environmental assets, today announced that Monroe Sequestration Partners ("Monroe"), in which DevvStream acquired a 50% common-interest stake in October 2024, has signed a Collaboration Agreement (the "Agreement") with Southern Energy, a Wyoming-based clean fuels company proposing the development of a $1 billion (USD) methanol and sustainable aviation fuel ("SAF") facility in Louisiana.

The Agreement outlines a strategic partnership in which Monroe would provide permanent CO₂ sequestration through its Class VI storage site, expected to be operational in 2027, while Southern Energy would capture emissions from its planned biomass-to-fuel facility, targeting production in 2028. The parties aim to generate high-quality carbon credits and support compliance with global decarbonization mandates in aviation and maritime transport industries. The Company anticipates entering into additional definitive binding agreements reflecting the terms outlined in the Agreement during Q2 of this year.

"Monroe's combination of Class VI storage readiness, local access, and commercial reach positions it among the most advanced carbon storage developers in the country," said Carl Stanton, Chairman of DevvStream. "Louisiana is quickly becoming the carbon capture capital of the U.S., and this agreement underscores Monroe's leadership in delivering durable, monetizable carbon removal solutions."

About Southern Energy's Project

Southern Energy plans to build a biomass-to-fuel facility in Louisiana to produce low-carbon methanol and SAF with an anticipated project cost of approximately $1 billion. Using proven syngas technology and a large-scale regional feedstock strategy, the facility is designed to serve both maritime and aviation sectors. Integrated carbon capture is expected to drive exceptionally low lifecycle carbon intensity ("CI") scores while generating 45Q tax credits and other monetizable environmental assets.

The facility is expected to benefit from Northern Louisiana's location within the Southern Wood Basket—the largest biomass-producing region in North America. According to market studies, the North Louisiana-South Arkansas corridor ranks among the top five U.S. markets for pulpwood and forest residual availability, providing secure, scalable access to sustainably sourced feedstock.