AMENDMENT NO. 6 TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT

Exhibit 10.1

AMENDMENT NO. 6

TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT

THIS AMENDMENT NO. 6 TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”) is dated as of September 29, 2006, and is by and among FEDERATED INVESTORS, INC., a Pennsylvania corporation (the “Borrower”), the BANKS set forth herein (collectively, the “Banks”), and PNC BANK, NATIONAL ASSOCIATION, as agent for the Banks (the “Agent”).

WHEREAS, the Borrower, the Banks and the Agent are parties to that certain Second Amended and Restated Credit Agreement dated as of January 22, 2002, as amended by Amendment No. 1 to Second Amended and Restated Credit Agreement dated as of April 8, 2002, Amendment No. 2 to Second Amended and Restated Credit Agreement dated as of January 20, 2003, Amendment No. 3 to Second Amended and Restated Credit Agreement dated as of January 16, 2004, Amendment No. 4 to Second Amended and Restated Credit Agreement and Amendment to Guaranty Agreement dated as of January 14, 2005, and Amendment No. 5 to Second Amended and Restated Credit Agreement dated as of November 22, 2005 (as amended, the “Credit Agreement”);

WHEREAS, the Borrower, the Banks and the Agent wish to amend the Credit Agreement as set forth herein.

NOW, THEREFORE, in consideration of the premises and mutual covenants set forth herein, the parties hereto, intending to be legally bound, agree as follows:

1. Definitions.

Capitalized terms used herein unless otherwise defined herein shall have the meanings ascribed to them in the Credit Agreement as amended by this Amendment.

2. Amendment of Credit Agreement.

Section 8.2(i) [Dividends and Related Distributions] of the Credit Agreement is hereby amended and restated in its entirety to read as follows:

(i) Intentionally omitted.

3. Conditions of Effectiveness of Amendment of Credit Agreement. The effectiveness of this Amendment of the Credit Agreement is expressly conditioned upon satisfaction of each of the following conditions precedent on the date hereof:

(a) Representations and Warranties; No Defaults. The representations and warranties of the Borrower contained in Article VI of the Credit Agreement shall be true and accurate on the date hereof with the same effect as though such representations and warranties had been made on and as of such date (except representations and warranties which relate solely

to an earlier date or time, which representations and warranties shall be true and correct on and as of the specific dates or times referred to therein), and the Borrower shall have performed and complied with all covenants and conditions under the Senior Loan Documents and hereof; and no Event of Default or Potential Default under the Credit Agreement or the other Senior Loan Documents shall have occurred and be continuing or shall exist.

(b) Authorization and Incumbency. There shall be delivered to the Agent for the benefit of each Bank a certificate, dated as of the date hereof, and signed by the Secretary or an Assistant Secretary of the Borrower, certifying as appropriate as to:

(c) Acknowledgment. There shall be delivered to the Agent for the benefit of each Bank the Confirmation in the form attached hereto as Exhibit 1 hereto executed by each of the Loan Parties (other than the Borrower).

(d) Legal Details; Counterparts. All legal details and proceedings in connection with the transactions contemplated by this Amendment shall be in form and substance satisfactory to the Agent. The Agent shall have received from the Borrower and the Required Banks an executed original of this Amendment. Each of this Amendment and the Confirmation may be executed by the parties hereto or thereto in any number of separate counterparts, each of which when taken together shall constitute one and the same instrument.

4. Fees and Expenses. The Borrower hereby agrees to reimburse the Agent and the Banks on demand for all legal costs, expenses and disbursements relating to this Amendment which are payable by the Borrower as provided in Sections 10.5 and 11.3 of the Credit Agreement.

5. Force and Effect. Except as expressly modified by this Amendment, the Credit Agreement and the other Senior Loan Documents are hereby ratified and confirmed and shall remain in full force and effect after the date hereof.

6. Governing Law. This Amendment shall be deemed to be a contract under the laws of the Commonwealth of Pennsylvania and for all purposes shall be governed by and construed and enforced in accordance with the internal laws of the Commonwealth of Pennsylvania without regard to its conflict of laws principles.

[SIGNATURE PAGES FOLLOW]

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SIGNATURE PAGE 1 OF 8 TO AMENDMENT NO. 6

TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT

IN WITNESS WHEREOF, the parties hereto, by their officers thereunto duly authorized, have executed this Amendment No. 6 to Second Amended and Restated Credit Agreement as of the date first above written.

SIGNATURE PAGE 2 OF 8 TO AMENDMENT NO. 6

TO SECOND AMENDED AND RESTATED CREDIT

SIGNATURE PAGE 3 OF 8 TO AMENDMENT NO. 6

TO SECOND AMENDED AND RESTATED CREDIT

SIGNATURE PAGE 4 OF 8 TO AMENDMENT NO. 6

TO SECOND AMENDED AND RESTATED CREDIT

SIGNATURE PAGE 5 OF 8 TO AMENDMENT NO. 6

TO SECOND AMENDED AND RESTATED CREDIT

SIGNATURE PAGE 6 OF 8 TO AMENDMENT NO. 6

TO SECOND AMENDED AND RESTATED CREDIT

SIGNATURE PAGE 7 OF 8 TO AMENDMENT NO. 6

TO SECOND AMENDED AND RESTATED CREDIT

SIGNATURE PAGE 8 OF 8 TO AMENDMENT NO. 6

TO SECOND AMENDED AND RESTATED CREDIT

Exhibit 1

CONFIRMATION

Reference is hereby made to that certain Second Amended and Restated Credit Agreement by and between FEDERATED INVESTORS, INC., the BANKS set forth therein, and PNC BANK, NATIONAL ASSOCIATION, as Agent for the Banks, dated as of January 22, 2002, as amended by Amendment No. 1 to Second Amended and Restated Credit Agreement dated as of April 8, 2002, Amendment No. 2 to Second Amended and Restated Credit Agreement dated as of January 20, 2003, Amendment No. 3 to Second Amended and Restated Credit Agreement dated as of January 16, 2004, Amendment No. 4 to Second Amended and Restated Credit Agreement and Amendment to Guaranty Agreement dated as of January 14, 2005, and Amendment No. 5 to Second Amended and Restated Credit Agreement dated as of November 22, 2005 (as amended, the “Credit Agreement”). All terms used herein unless otherwise defined herein shall have the meanings given to them in the Credit Agreement.

On the date hereof, the Borrower, the Banks and the Agent are entering into that certain Amendment No. 6 to Second Amended and Restated Credit Agreement (the “Amendment”), a copy of which has been provided to the undersigned. This Confirmation is delivered to the Bank pursuant to Section 3(c) of the Amendment.

Pursuant to the Credit Agreement, (i) the Guarantors are party to that certain Continuing Agreement of Guaranty and Suretyship dated as of January 22, 2002 in favor of the Agent for the benefit of the Banks, as amended by Amendment No. 4 to Second Amended and Restated Credit Agreement and Amendment to Guaranty Agreement dated as of January 14, 2005 (as amended, the “Guaranty Agreement”) and (ii) the Borrower and its Subsidiaries are party to that certain Intercompany Subordination Agreement dated as of January 22, 2002 in favor of the Agent for the benefit of the Banks (the “Intercompany Subordination Agreement”). This Confirmation will confirm to the Agent and the Banks that the undersigned Guarantors and Subsidiaries of the Borrower have read and understand the Amendment which provides for, among other things and subject to certain conditions set forth in the Amendment, the deletion of the covenant contained in Section 8.2(i) [Dividends and Related Distributions] of the Credit Agreement.

The Guarantors hereby ratify and confirm the Guaranty Agreement. The Subsidiaries of the Borrower hereby ratify and confirm the Intercompany Subordination Agreement.

This Confirmation is dated as of September 29, 2006.

[SIGNATURE PAGES FOLLOW]

[SIGNATURE PAGE 1 OF 6 OF CONFIRMATION]

IN WITNESS WHEREOF, intending to be legally bound hereby, the undersigned, by their duly authorized officers, have executed this Confirmation as of the date set forth above.

[SIGNATURE PAGE 2 OF 6 OF CONFIRMATION]

[SIGNATURE PAGE 3 OF 6 OF CONFIRMATION]

[SIGNATURE PAGE 4 OF 6 OF CONFIRMATION]

[SIGNATURE PAGE 5 OF 6 OF CONFIRMATION]

[SIGNATURE PAGE 6 OF 6 OF CONFIRMATION]