Exhibit 28 (j) under Form N-1A
Exhibit (23) under Item 601/Reg. S-K
Consent of Independent Registered Public Accounting Firm
We consent to the references to our firm under the captions "Financial Highlights" in the Prospectus and "Independent Registered Public Accounting Firm" in the Statement of Additional Information, each dated January 31, 2023, and each included in this Post-Effective Amendment No. 64 to the Registration Statement (Form N-1A, File No. 33-48847) of Federated Hermes Investment Series Funds, Inc. (the “Registration Statement”).
We also consent to the incorporation by reference of our report dated January 24, 2023, with respect to the financial statements and financial highlights of Federated Hermes Corporate Bond Fund (the sole portfolio comprising Federated Hermes Investment Series Funds, Inc.) included in the Annual Report to Shareholders (Form N-CSR) for the year ended November 30, 2022, into this Registration Statement, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Boston, Massachusetts
January 24, 2023