Projects Include $125 Million Data Center Award

Centuri Holdings, Inc. (NYSE:CTRI) ("Centuri" or the "Company"), a leading, North American utility and energy infrastructure services company, today announced more than $360 million in new commercial awards. The bookings reflect the Company’s strategic efforts to grow the Company’s portfolio through both expanded and new customer relationships.

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Centuri teams at work in the Midwest installing the infrastructure that keeps communities connected.

New projects and new or expanded Master Services Agreements (MSAs) comprise approximately 43% of the award value, with the remaining 57% representing renewals of existing MSAs with tenured customers. The mix of work includes a multi-year MSA renewal with a six-decade long client focused on ongoing project and replacement work to support natural gas system upgrades as well as material purchasing and emergency response. In addition, the awards include expanded scope for a large, multi-building data center campus where the team has completed and is currently executing major power infrastructure work including development, interior infrastructure, and installation.

"Winning work with both long-standing customers and new clients reflects the trust and reputation we have earned through consistent, quality execution, uncompromising safety, and a customer-first mindset," said Centuri President and CEO Christian Brown. "These awards strengthen our position in key new markets, including data centers, while extending our existing customer relationships and supporting our long-term strategy to deliver sustainable growth. As investment in system modernization and resiliency continues at an unprecedented pace, we are well positioned to provide value for our customers through our expertise, size, and scale."

Today’s announced awards complement previous bookings, bringing the Company’s total commercial awards for year-to-date 2026 to more than $2 billion.

About Centuri

Centuri Holdings, Inc. is a strategic utility and energy infrastructure services company that partners with regulated utilities to build and maintain the energy network that powers millions of homes and businesses across the United States and Canada.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements can often be identified by the use of words such as "will," "predict," "continue," "forecast," "expect," "believe," "anticipate," "outlook," "could," "target," "project," "intend," "plan," "seek," "estimate," "should," "may" and "assume," as well as variations of such words and similar expressions referring to the future. The specific forward-looking statements made herein include (without limitation) statements regarding the new commercial awards strengthening the Company’s position in key new markets, extending its existing customer relationships, and supporting its long-term strategy to deliver sustainable growth; and the Company being well positioned to provide value for its customers through its expertise, size, and scale as investment in system modernization and resiliency continues at an unprecedented pace. A number of important risks, uncertainties and other factors affecting the business and financial results of Centuri could cause actual results, performance or achievements to differ materially from any future results, performance or achievements expressed or implied by the forward-looking statements. These risks, uncertainties and other factors include, but are not limited to, capital market risks and the impact of general economic or industry conditions and those detailed from time to time in Centuri’s reports filed with the Securities and Exchange Commission (the "SEC"), including Item 1A. Risk Factors in our Annual Report on Form 10-K for the fiscal year ended December 28, 2025. Factors that could cause actual results to differ also include (without limitation) those discussed in Centuri’s filings filed from time to time with the SEC. The statements in this press release are (i) made as of the date of this press release, even if subsequently made available by Centuri on its website or otherwise, and (ii) based on assumptions and assessments made by our management in light of their experience and perceptions of historical trends, current conditions, expected future developments and other factors they believe to be appropriate. Except to the extent required by applicable law, Centuri does not assume any obligation to update or revise the forward-looking statements, whether written or oral, that may be made from time to time, whether as a result of new information, future developments, or otherwise. You are cautioned not to place undue reliance on these forward-looking statements.

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For Centuri Shareholders, contact:

Nate Tetlow

(480) 851-8426

Ntetlow@centuri.com

For Centuri media information, contact:

Jennifer Russo

(602) 781-6958

JRusso@Centuri.com

Centuri Announces More than $360 Million in Customer Awards