THIRD EXPENSE REIMBURSEMENT AND/OR WAIVER AGREEMENT—SECURITY INVESTORS, LLC

THIS AGREEMENT, dated as of August 1, 2024, is made and entered into by and between Security Investors, LLC (the “Adviser”) and Rydex Series Funds (the “Trust”) on behalf of the underlying series of the Trust set forth in Schedule A hereto (each referred to herein as a “Fund”), as it may be amended from time to time. This Agreement shall apply to each Fund listed in Schedule A.

WHEREAS, the Adviser has been appointed the investment adviser to the Funds pursuant to an agreement between the Trust and the Adviser (the “Advisory Agreement”), under which the Adviser provides certain investment advisory services to each Fund;

WHEREAS, the Adviser desires to waive and/or reimburse each Fund’s expenses in an amount equal to an annual percentage rate of 0.10% of each Fund’s average daily net assets; and

WHEREAS, the Trust, on its own behalf and on behalf of the Funds, and the Adviser desire to enter into the arrangements described herein.

NOW, THEREFORE, it is agreed as follows:

1. The Adviser shall waive and/or reimburse, in addition to any other contractual waiver and/or reimbursement arrangements, each Fund’s expenses in an amount equal to an annual percentage rate of 0.10% of each Fund’s average daily net assets, such amount to be calculated daily and any reimbursement due to be paid no less frequently than monthly.

2. Nothing herein shall otherwise affect the terms of any other expense limitation agreements between the Adviser or its affiliates and the Trust.

3. The end of the initial term of this Agreement shall be August 1, 2025 for each Fund. This Agreement shall automatically renew for one-year terms, unless the Adviser provides written notice to the Fund of the termination of the Agreement, which notice shall be received by the Trust at least 30 days prior to the end of the then-current term.

4. This Agreement may be terminated at any time, and without payment of any penalty, by the Board of Trustees of the Trust, on behalf of a Fund, upon sixty (60) days’ written notice to the Adviser. This Agreement, as it relates to a Fund, will terminate automatically if the Advisory Agreement with respect to such Fund is terminated, with such termination effective upon the effective date of the Advisory Agreement’s termination.

[Signatures on following page]

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IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date set forth above.

RYDEX SERIES FUNDS
By:	/s/ Brian Binder
Name:	Brian Binder
Title:	President and Chief Executive Officer
SECURITY INVESTORS, LLC
By:	/s/ Amy J. Lee
Name:	Amy J. Lee
Title:	General Counsel and Secretary

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SCHEDULE A

Dated as of August 1, 2024

Applicable Funds of the Trust:

Rydex Series Funds

Europe 1.25x Strategy Fund

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