Santander Holdings USA (SOV) 10-K 2013 FY Annual report

Exhibit 32.1

CERTIFICATION 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 Annual Report on Form 10-K for the period ended December 31, 2013 of Santander Holdings USA, Inc. (the “Company”) as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Román Blanco, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

/s/ Román Blanco

Name: Román Blanco

Title: President and Chief Executive Officer

March 14, 2014

A signed original of this written statement required by Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.