8-K: Solaris Energy Appoints Amanda Brock Co-CEO, Director

Solaris Energy Infrastructure, Inc. announced the appointment of Amanda M. Brock as Co-Chief Executive Officer and a new director, effective October 16, 2025.

Summary

• Solaris Energy Infrastructure, Inc. appointed Ms. Amanda M. Brock as Co-Chief Executive Officer and a Class I director, effective October 16, 2025.
• Ms. Brock will serve alongside Mr. William A. Zartler, who remains Chairman and Co-CEO.
• Her board appointment fills the vacancy left by the passing of Mr. F. Gardner Parker on April 26, 2025.
• Ms. Brock brings extensive experience from the global water, power, and energy sectors, including her most recent role as President and CEO of Aris Water Solutions, Inc. from September 2021 to October 2025.
• The company entered into an Indemnification Agreement with Ms. Brock, ensuring indemnification and expense advancement to the fullest extent permitted by Delaware law.
• Terms of Ms. Brock's compensation are still being finalized and will be disclosed in a subsequent filing, though she is eligible for Tier 1 benefits under the Executive Change in Control Severance Plan.

Sentiment

Score: 8

Explanation: The appointment of a highly experienced and recognized industry leader to a key executive and board role, especially one with a prior successful working relationship with the current CEO, is a strong positive signal for the company's strategic direction and growth prospects. Her expertise directly aligns with the company's stated focus on scaling operations in response to accelerating power demand.

Positives

• Appointment of a highly experienced executive, Ms. Amanda M. Brock, with a proven track record in the global water, power, and energy sectors.
• Her background in building and managing infrastructure, including both water and power, is timely for Solaris's rapid scaling and growth.
• Ms. Brock's previous collaboration with current Chairman and Co-CEO Bill Zartler at Solaris Water Midstream (Aris Water Solutions) suggests a strong working relationship and continuity.
• Her leadership at Aris Water Solutions led to record water recycling levels and proprietary water treatment processes, indicating strong operational and strategic capabilities.
• The appointment strengthens the company's leadership team and board, filling a vacancy and adding significant industry expertise.

Risks

• Forward-looking statements are subject to inherent uncertainties, risks, and changes in circumstances that are difficult to predict.
• Actual results may differ materially from those contemplated by forward-looking statements due to factors discussed in the company's Annual Report on Form 10-K for the fiscal year ended December 31, 2024, and subsequent Quarterly Reports on Form 10-Q.

Future Outlook

The company anticipates rapid scaling of operations to meet significant growth ahead, driven by an unprecedented acceleration in the demand for power. Management believes Ms. Brock's expertise will be crucial in this continued evolution as a premier power solutions company.

Management Comments

• "Amanda has been a trusted partner for the last decade and brings a proven, complementary skill set to the office of the CEO. She has an extensive background in building and managing infrastructure, including both water and power, and in leading teams to success. These capabilities come to us at a critical time as we rapidly scale our operations for the significant growth ahead." Bill Zartler, Solaris Chairman and Co-Chief Executive Officer.
• "I’m excited to join Solaris during a time when the demand for power is accelerating at a scope and pace that is unprecedented. Bill and I worked together to build what started as the private company Solaris Water Midstream, which we took public as Aris Water Solutions, and we recently concluded the successful sale of the business. I look forward to partnering with Bill and the strong team he has built to help lead Solaris in its continued evolution as a premier power solutions company." Amanda Brock.

Industry Context

The appointment of Amanda Brock, with her extensive background in global water, power, and energy sectors, aligns with the accelerating demand for power and the company's strategic focus on power generation and distribution solutions. Her experience in water infrastructure, particularly in the Permian Basin, could be valuable as energy companies increasingly integrate water management with broader energy infrastructure, especially in data center and industrial sectors where Solaris operates.

Management Changes

Corporate Governance

Stakeholder Impact

• Shareholders: Positive impact due to the appointment of an experienced leader expected to drive growth and enhance strategic direction.
• Employees: Potential for strengthened leadership and strategic clarity, which could foster a more stable and growth-oriented environment.
• Customers: Ms. Brock's background in infrastructure and water solutions may lead to enhanced service offerings and operational efficiencies.
• Management: The addition of a Co-CEO with complementary skills is expected to bolster the executive team and facilitate strategic execution.

Next Steps

• Finalization of Ms. Brock's compensation terms, to be disclosed in a subsequent filing.
• Ms. Brock will serve as a Class I director until the 2027 annual meeting of stockholders.
• Continued scaling of operations to meet significant growth in power demand.

Key Dates

Recommendation

The appointment of Amanda Brock as Co-Chief Executive Officer and Director is a significant positive development. Her extensive experience in the global water, power, and energy sectors, coupled with a proven track record of leadership and successful collaboration with the existing Chairman and Co-CEO, Bill Zartler, positions Solaris Energy Infrastructure for enhanced strategic execution and accelerated growth. Her expertise in building and managing infrastructure is particularly relevant given the company's stated objective to rapidly scale operations in response to unprecedented demand for power. This strengthens the management team and board, signaling a robust strategic direction and increased operational capabilities, which should be viewed favorably by investors.

Keywords

Solaris Energy Infrastructure, Amanda Brock, Co-Chief Executive Officer, Board of Directors, Executive Appointment, Corporate Governance, Energy Infrastructure, Water Solutions, Aris Water Solutions, NYSE:SEI, Leadership Change, Indemnification Agreement