AmBase (ABCP) 10-Q2024 Q1 Quarterly report

Exhibit 32.2

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 quarterly report of AmBase Corporation (the “Company”) on Form 10-Q for the period ending March 31, 2024, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John Ferrara, Chief Financial Officer of the Company, do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

This Certification accompanies this Form 10-Q as an exhibit but shall not be deemed as having been filed for purposes of Section 18 of the Securities Exchange Act of 1934 or as a separate disclosure document of the Company or the certifying officer.