Centuri Holdings, Inc. (NYSE: CTRI) (“Centuri”), a leading North American utility and energy infrastructure services company, today announced that it will participate in the Morgan Stanley 14^th Annual Laguna Conference on September 17, 2026. Christian Brown, Chief Executive Officer (CEO), and Kelly Youngblood, Chief Financial Officer (CFO), will participate in a fireside chat at the conference. A link to a live audio webcast of the fireside chat, along with an updated investor presentation, will be available through the Investor Relations section of Centuri’s website. A replay of the webcast will be archived and available on the website following the event.

About Centuri

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

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