Centuri Holdings, Inc. Releases 2024 Sustainability Report

Report highlights progress across the company’s four ESG pillars, establishes KPIs, alignment to UN SDGs

PHOENIX–(BUSINESS WIRE)–$CTRI–Centuri Holdings, Inc. (NYSE: CTRI) (“Centuri” or the “Company”), a leading, pure-play North American utility infrastructure services company, released today its 2024 Sustainability Report, its first as a public company, that details progress in advancing environmental, social, and governance (ESG) commitments during 2023. The report, themed “Energy. Impact. Innovation.,” outlines the Company’s corporate governance structure and ESG framework, and provides an overview of how Centuri is contributing to the development of innovative, reliable, clean energy infrastructure solutions required to meet long-term energy demand.

“We are taking a comprehensive approach to sustainability, ensuring we make a tangible, positive impact on behalf of the numerous stakeholders we serve, including our customers, our employees, and our shareholders,” said Interim President and CEO Paul Caudill. “We have established key performance indicators (KPIs) for our ESG efforts that align with our business goals and stakeholder priorities, and we are proud of what we have achieved to date. We will continue to set our sights on making even more progress against our sustainability agenda in the coming year and beyond.”

The report highlights progress against Centuri’s sustainability ambitions contained in four ESG pillars that include: World-Class Safety, Clean Energy, Empowering Communities, and Inclusion for All.

Highlights include:

• Completing more than one million leadership safety observations through our signature Think SAFE program
• Providing critical infrastructure for more than 13 Renewable Natural Gas (RNG) projects
• Powering more than 1.7 million homes through wind generation projects
• Spending more than $304 million with diverse suppliers
• Donating nearly one million dollars to community causes
• Graduating more than 50 apprentices from our signature Apprenticeship Program
• Awarding more than $275,000 in scholarships to children of company employees
• Sponsoring five Employee Resource Groups

In addition to progress made against the company’s ESG pillars, the report outlines:

• Formalization of 14 primary Key Performance Indicators (KPI) that will guide and measure Centuri’s ESG performance
• Alignment to six UN Sustainable Development Goals (SDG) where the company can have the greatest impact
• Inclusion of the company’s 2023 Sustainability Accounting Standards Board (SASB) disclosure
• Development of a detailed governance structure, including the roles of Centuri’s Board of Directors and associated committees, leadership oversight of ESG, and establishment of an ESG excellence committee

To see report highlights and download a full copy, visit https://sustainability.centuri.com/.

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.

Contacts

For Centuri Shareholders, contact:

(623) 879-3700

Investors@Centuri.com

For Centuri media information, contact:

Jennifer Russo

(602) 781-6958

JRusso@Centuri.com