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Macquarie Asset Management Expands Equity Stake in Diamond Infrastructure Solutions, a Strategic Partnership with Dow

Dow Inc. (DOW) | September 2, 2025

By Nina King

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Dow has received an additional $540 million in proceeds following Macquarie Asset Management's increased minority equity stake in Diamond Infrastructure Solutions from 40% to 49%.

The total proceeds from the transaction now amount to approximately $3 billion.

The strategic partnership between Dow and a fund managed by Macquarie Asset Management has created Diamond Infrastructure Solutions, a dedicated infrastructure company with assets across the U.S. Gulf Coast.

Increased Equity Stake

Macquarie Asset Management raised its equity stake in Diamond Infrastructure Solutions from 40% to 49%, resulting in Dow receiving an additional $540 million.

Total Transaction Proceeds

The total proceeds from the transaction have reached approximately $3 billion, showcasing the substantial financial impact of the partnership.

Strategic Partnership Formation

The strategic partnership between Dow and Macquarie Asset Management has established Diamond Infrastructure Solutions, dedicated to infrastructure and serving a wide range of sectors.

  • The expanded partnership signifies a strong trust and alignment between Dow and Macquarie Asset Management, setting the stage for a value-driven long-term relationship.
  • Through Diamond Infrastructure Solutions, Dow and Macquarie Asset Management will offer services across various sectors to over 70 customers, maintaining operational control.
  • Collaborations with companies like Again and Third Pillar Solar demonstrate Diamond's commitment to innovation and sustainability, expanding its reach in the energy and climate tech sectors.

The enhanced equity stake and increased proceeds highlight the successful collaboration between Dow and Macquarie Asset Management in creating Diamond Infrastructure Solutions. This partnership positions Dow for further growth and diversification in the infrastructure sector.