CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Post-Effective Amendment to Registration Statement No. 333-210186 on Form N-1A of our report dated July 24, 2025, relating to the financial statements and financial highlights of First Trust Senior Floating Rate Income Fund II, appearing in the Annual Report on Form N-CSR of First Trust Senior Floating Rate Income Fund II for the year ended May 31, 2025, and to the references to us under the headings “Financial Highlights” in the Prospectus and “Independent Registered Public Accounting Firm” and “Financial Statements” in the Statement of Additional Information, which are part of such Registration Statement.

/s/ Deloitte & Touche LLP

Chicago, Illinois

July 17, 2026