- Dow receives $540 million as Macquarie increases its stake in Diamond Infrastructure Solutions from 40% to 49%.
- The total proceeds from the transaction amount to approximately $3 billion.
- Diamond Infrastructure Solutions hosts the first U.S.-based CO₂ transformation facility at its Texas City site.
- Third Pillar Solar and Diamond explore up to 500MW of floating solar on Diamond's Texas reservoir system.

Investment Details
Dow has received an additional $540 million following Macquarie Asset Management's decision to increase its minority equity stake in Diamond Infrastructure Solutions from 40% to 49%. This transaction brings the total proceeds to approximately $3 billion.
Strategic Partnership
The increased investment is part of a strategic partnership between Dow and a fund managed by Macquarie Asset Management, aimed at driving the growth of Diamond Infrastructure Solutions. The company focuses on infrastructure assets across the U.S. Gulf Coast, providing services in energy, environment, infrastructure, and pipelines to over 70 customers.
Recent Developments
In May 2025, Diamond Infrastructure Solutions announced a partnership with a Danish climate tech startup, Again, to establish the first U.S.-based CO₂ transformation facility at its Texas City site. Additionally, Diamond and Third Pillar Solar have agreed to explore the deployment of up to 500MW of floating solar projects on Diamond's Texas reservoir system.
Advisors
Citi and Goldman Sachs served as financial advisors to Dow, while Linklaters provided legal support for the transaction.