Blackstone Energy Partners Announces Majority Investment in Geosyntec

Private equity firm Blackstone acquires stake in Geosyntec

NEW YORK & BOCA RATON, Fla – May 10, 2022 – Blackstone (NYSE: BX) announced today that Blackstone Energy Partners (“Blackstone”) has agreed to make a majority investment in Geosyntec Consultants, Inc. (“Geosyntec”). Geosyntec is a leading environmental engineering and design consulting firm, focused on delivering technical solutions to a wide range of clients to address their environmental restoration, geotechnical, coastal, water quality and supply, infrastructure, and energy transition needs. With a team of more than 1,700 engineers, scientists, and other key employees, Geosyntec operates from more than 90 offices in the United States, Canada, Europe, Australia, and the Middle East.

Darius Sepassi, a Managing Director at Blackstone, said: “As demand for environmental engineering and consulting services continues to rise, we believe Geosyntec’s trusted reputation for quality and technical expertise makes the company exceptionally well positioned to further scale to meet this growing opportunity. We are excited to work with their experienced management team and highly accomplished engineers and scientists in the years ahead to help power their continued expansion.”

According to David Foley, Global Head of Blackstone Energy Partners: “The transition to a more environmentally sustainable future is a core investment theme for Blackstone and since 2019, the firm has committed approximately $16 billion in projects and companies that we believe are consistent with the broader energy transition. Today’s announcement builds on recent investments including Aypa, Array, Therma, Sabre and TDI.”

Peter Zeeb, President & CEO of Geosyntec commented: “Our partnership with Blackstone Energy Partners will fuel continued leadership in our core markets while accelerating our growth and success in new and emerging markets and geographies. It will also strengthen our ability to grow through strategic acquisitions and recruiting of top talent while enhancing our position as a preferred employer for innovative engineers and scientists. We foresee substantial benefits to our employees and clients as we expand our capabilities and service offerings, and as we support our clients in larger and more complex projects.”

Rudolph Bonaparte, Chairman of the Board of Geosyntec, commented: “Countries around the world face enormous technical challenges in the energy transition, infrastructure renewal and development, climate change mitigation and adaptation, disaster response, and water supply. The scale and complexity of these challenges require transformational change, technical innovation, and creative partnerships. With Blackstone Energy Partners, we are ideally positioned to help our clients respond to these urgent and complex challenges while continuing our tradition of providing vibrant and rewarding career and ownership opportunities to our employees.”

Terms of the transaction were not disclosed. Geosyntec was advised by AEC Advisors and Keating Muething & Klekamp PLL. Blackstone was represented by Perella Weinberg Partners and Vinson & Elkins LLP.

About Geosyntec Consultants

Geosyntec is a leading consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. We are internationally known for our technical leadership, exceptional client service, and ability to deliver best-value solutions for our clients. We are a vibrant, practice-centered business with a strong desire for continuous self-improvement and ongoing reinvention to meet the evolving needs of our current clients, and to productively engage with new ones. As a practitioner-led firm, we create exceptional career opportunities for our employees through involvement in challenging projects, effective mentoring, valuable professional development and training opportunities, and broad engagement with clients.

About Blackstone Energy Partners

Blackstone Energy Partners, Blackstone’s energy-focused private equity business, is a leading energy investor with a successful long-term record, having invested over $20 billion of equity globally across a broad range of sectors within the energy industry. Our investment philosophy is based on backing exceptional management teams with flexible capital to provide solutions that help energy companies grow and improve performance, thereby delivering reliable and affordable energy to meet the needs of the global community. In the process, we build stronger, larger scale enterprises, create jobs, and generate lasting value for our investors, employees, and all stakeholders.