Schneider National (SNDR) 10-Q 2024 Q1 Quarterly report

Exhibit 32.1

Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted

Pursuant to Section 906 of the Sarbanes-Oxley Act Of 2002

In connection with the Quarterly Report on Form 10-Q of Schneider National, Inc. (the “Company”), for the quarterly period ended March 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Mark B. Rourke, Chief Executive Officer and President of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	May 2, 2024	/s/ Mark B. Rourke
		Mark B. Rourke
		Chief Executive Officer and President
		(Principal Executive Officer)