effective, the definitive proxy statement/prospectus will be mailed to stockholders of RXO. This communication is not a substitute for the registration statement, the proxy statement/prospectus
or any other document that C.H. Robinson or RXO may file with the SEC in connection with the proposed transaction. INVESTORS AND STOCKHOLDERS ARE URGED TO READ THE REGISTRATION STATEMENT ON FORM S-4, PROXY
STATEMENT/PROSPECTUS AND OTHER DOCUMENTS THAT ARE FILED OR WILL BE FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THESE DOCUMENTS, CAREFULLY AND IN THEIR ENTIRETY IF AND WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT
INFORMATION ABOUT THE PROPOSED TRANSACTION. Investors and stockholders will be able to obtain free copies of these documents (if and when available), and other documents containing important information about C.H. Robinson and RXO, once such
documents are filed with the SEC through the website maintained by the SEC at http://www.sec.gov. Copies of the documents filed with the SEC by C.H. Robinson will be available free of charge on C.H. Robinson’s website at
investor.chrobinson.com. Copies of the documents filed with the SEC by RXO will be available free of charge on RXO’s website at investors.rxo.com.
Participants in the Solicitation
C.H. Robinson, RXO and
certain of their respective directors and executive officers may be deemed to be participants in the solicitation of proxies from RXO’s stockholders in respect of the proposed transaction. Information about the directors and executive officers
of C.H. Robinson, including a description of their direct or indirect interests, by security holdings or otherwise, is set forth in (i)
C.H. Robinson’s proxy statement for its 2026 Annual Meeting of Shareholders, which was filed with the SEC on March 24, 2026, including under
the sections captioned “Proposal 1: Election of Directors,” “Compensation of Directors,” “Compensation Discussion and Analysis,” “Executive Compensation Tables,” “Security Ownership of Certain
Beneficial Owners and Management,” and “Related Party Transactions,” (ii) C.H. Robinson’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, which was filed with the SEC on February 13, 2026, including under the section captioned “Information about our Executive Officers”
in Part I, Item 1, and (iii)
Item 5.02 of C.H. Robinson’s Current Report on Form 8-K filed with the SEC on June 2, 2026.
Information about the directors and executive officers of RXO, including a description of their direct or indirect interests, by security holdings or otherwise, is set forth in (i)
RXO’s proxy statement for its 2026 Annual Meeting of Stockholders, which was filed with the SEC on March 30, 2026, including under the
sections captioned “Proposal 1: Election of Directors,” “Director Compensation,” “Certain Relationships and Related Party Transactions,” “Security Ownership of Certain Beneficial Owners and
Management,” and “Compensation Discussion and Analysis,” and (ii)
RXO’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, which was filed
with the SEC on February 9, 2026, including under the section captioned “Information about our Executive Officers” in Part I, Item 1. To the extent holdings of RXO’s securities by its directors or executive officers have
changed since the applicable “as of” date described in its 2026 proxy statement, such changes have been or will be reflected on Initial Statements of Beneficial Ownership of Securities on Form 3, Statements of Changes in Beneficial
Ownership on Form 4 or Annual Statements of Changes in Beneficial Ownership on Form 5 filed with the SEC, including (i) the Form 4s filed by Mr. Wilkerson on May 4, 2026 and May 19, 2026; (ii) the Form 4 filed by Mr. Morris
on May 18, 2026; and (iii) the Form 4 filed by Mr. Firestone on August 25, 2026.
Other information regarding the participants in the
proxy solicitations and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the proxy statement/prospectus and other relevant materials to be filed with the SEC regarding the proposed
transaction when such materials become available. Investors and stockholders should read the proxy statement/prospectus carefully when it becomes available before making any voting or investment decisions. You may obtain free copies of these
documents from C.H. Robinson and RXO using the sources indicated above.