Consent of Independent Registered Public Accounting Firm
We consent to the references to our firm under the captions “Financial Highlights” in the Prospectuses, and “Other Information”, “Independent Registered Public Accounting Firm” and “Financial Statements” in the Statement of Additional Information, each dated August 1, 2026, and each included in this Post-Effective Amendment No. 227 to the Registration Statement (Form N-1A; File No. 033-59692) of Rydex Series Funds (the “Registration Statement”).
We also consent to the incorporation by reference of our report dated May 28, 2026, with respect to the financial statements and financial highlights of the NASDAQ-100® Fund, Nova Fund, S&P 500® Fund, Inverse S&P 500® Strategy Fund, Monthly Rebalance NASDAQ-100® 2x Strategy Fund, Inverse NASDAQ-100® Strategy Fund, Mid-Cap 1.5x Strategy Fund, Inverse Mid-Cap Strategy Fund, Russell 2000® 1.5x Strategy Fund, Russell 2000® Fund, Inverse Russell 2000® Strategy Fund, Dow Jones Industrial Average® Fund, Government Long Bond 1.2x Strategy Fund, Inverse Government Long Bond Strategy Fund, High Yield Strategy Fund, Inverse High Yield Strategy Fund, U.S. Government Money Market Fund, Banking Fund, Basic Materials Fund, Biotechnology Fund, Consumer Products Fund, Electronics Fund, Energy Fund, Energy Services Fund, Financial Services Fund, Health Care Fund, Internet Fund, Leisure Fund, Precious Metals Fund, Real Estate Fund, Retailing Fund, Technology Fund, Telecommunications Fund, Transportation Fund, Utilities Fund, S&P 500® Pure Growth Fund, S&P 500® Pure Value Fund, S&P MidCap 400® Pure Growth Fund, S&P MidCap 400® Pure Value Fund, S&P SmallCap 600® Pure Growth Fund, S&P SmallCap 600® Pure Value Fund, Europe 1.25x Strategy Fund, Japan 2x Strategy Fund, Strengthening Dollar 2x Strategy Fund, Weakening Dollar 2x Strategy Fund, Emerging Markets 2x Strategy Fund, Inverse Emerging Markets 2x Strategy Fund and Emerging Markets Bond Strategy Fund (forty-eight of the funds constituting Rydex Series Funds) included in the Annual Report to Shareholders (Form N-CSR) for the year ended March 31, 2026, into this Registration Statement, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Tysons, Virginia
July 29, 2026