• Award includes significant renewal and expansion in Midwest with long-standing combination utility customer
• Project award supports sustainable infrastructure development in the Northeast

Centuri Holdings, Inc. (NYSE: CTRI) (“Centuri” or the "Company"), a leading, North American utility infrastructure services company, today announced more than $550 million in new customer awards. These awards further showcase the Company’s ability to capitalize on opportunities within its current customer base while simultaneously supporting the infrastructure essential to building next-generation energy solutions.

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Centuri is expanding its presence in key markets building both natural gas and electric infrastructure for its utility customers.

The revenue value of the announced awards largely reflects a significant multi-year contract renewal for one of the largest regulated combination utilities in the United States with strategic expansion into adjacent territories. The total also includes a contract to build a Renewable Natural Gas facility in the Northeast, the fourth of its kind for Centuri's union electric division, where the Company will serve as lead project delivery contractor. Today’s release comes on the heels of $575 million in awards announced on June 23, 2025.

“These contract renewals with our long-standing natural gas customers supported by significant expansion are a testament to the reputation we have earned as a capable, client-focused, long-term energy infrastructure partner,” said Centuri President and CEO Christian Brown. “Our ability to provide end-to-end solutions in both natural gas and electric infrastructure not only positions us well to provide a range of solutions to meet our customer’s booming power demands but also fortifies our presence in key markets.”

About Centuri

Centuri Holdings, Inc. is a strategic utility 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 may contain forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act, 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. Forward-looking statements could include (without limitation) statements regarding our confidence in our prospects to deliver value for our stockholders as an independent standalone company and our expectation to continue to build on our track record of delivering consistent growth by serving our customers across the utility value chain. A number of important factors affecting the business and financial results of Centuri could cause actual results to differ materially from those stated in any forward-looking statements. These factors include, but are not limited to, capital market risks and the impact of general economic or industry conditions. 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 made as of the date of this press release, even if subsequently made available by Centuri on its website or otherwise. Centuri does not assume any obligation to update any 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.

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