Arcosa, Inc. was separated from its parent company, Trinity Industries, Inc., effective 12:01 a.m. ET on November 1, 2018

Trinity Industries, Inc. distributed all of the outstanding shares of Arcosa common stock to Trinity stockholders on a pro rata basis in a distribution intended to be tax-free for U.S. federal income tax purposes. As a result of the distribution, Arcosa became an independent public company.

Internal Revenue Service Form 8937 (Report of Organizational Actions Affecting Basis of Securities) for Trinity Industries Inc., can be found here.

A letter to Trinity shareholders dated November 13, 2018 posted on the Trinity website containing important U.S. Federal Income Tax Information for shareholders concerning the Arcosa, Inc. Common Stock distribution pursuant to Code Section 6045B, can be found here.

Trinity distributed one share of Arcosa common stock for every three shares of Trinity common stock held as of close of business on October 17, 2018, the record date for the distribution.