$400.0 Million 4 3/8% Senior Notes due 2029

$600.0 Million 6 7/8% Senior Notes due 2032

(the "Notes")

Arcosa, Inc. (NYSE:ACA) ("Arcosa" or the "Company"), a provider of infrastructure-related products and solutions, today announced it will hold quarterly bondholder calls for the benefit of the holders of the Notes, the Trustee, beneficial owners of the Notes, prospective purchasers of the Notes, securities analysts and market making financial institutions to ask questions following the release of its quarterly financial information, beginning with the Quarterly Report on Form 10-Q for the second quarter ended June 30, 2026.

The Bondholder Call will be held on October 7, 2026 at 9:00 a.m. EST. To obtain information on how to access the Bondholder Call please contact Arcosa’s investor relations department at InvestorResources@arcosa.com. No replay will be available.

About Arcosa

Arcosa, Inc., headquartered in Dallas, Texas, is a provider of infrastructure-related products and solutions with leading positions in construction materials and engineered structures. Arcosa reports its financial results in two principal business segments: Construction Products and Engineered Structures. For more information, visit www.arcosa.com.

View source version on businesswire.com: https://www.businesswire.com/news/home/20261002955392/en/

INVESTOR CONTACTS

Erin Drabek

VP of Investor Relations

T 972.942.6500

InvestorResources@arcosa.com