AMENDMENT TO SUB-ADVISORY AGREEMENT

Exhibit (d)(10)(a)

AMENDMENT TO SUB-ADVISORY AGREEMENT

     This Amendment to Sub-Advisory Agreement (“Amendment”) is effective August 17, 2007 by and between Ohio National Investments, Inc. (the “Adviser”) and Xxxx Xxxxx Capital Management, Inc. (“Sub-Adviser”).

Recitals

     The Adviser and the Sub-Adviser are parties to a Sub-Advisory Agreement dated August 2, 1999, as amended, (the “Agreement”) pursuant to which the Adviser retained the Sub-Adviser to supervise and manage the assets of the Equity Portfolio of Ohio National Fund, Inc. (the “Fund”); and

     The Adviser and the Sub-Adviser desire to amend the sub-advisory fee payable to the Sub-Adviser.

     NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto hereby agree as follows:

1. Sub-Advisory Fees. The first sentence of Section 4 of the Agreement is hereby deleted and replaced with the following:

In consideration of the Sub-Adviser’s services to the Fund hereunder, the Sub-Adviser shall be entitled to sub-advisory fees, payable quarterly, at the annual rate of 0.40% of the first $200 million of the average daily net assets of the Portfolio during the quarter preceding each payment, and 0.38% of the average daily net assets of the Portfolio in excess of $200 million (the “Sub-Advisory Fee”).

2. Effect. Except as amended herein, all terms of the Agreement remain in full force and effect. All capitalized terms not otherwise defined herein shall have the meaning ascribed to them in the Agreement.

3. Counterparts. This Amendment may be executed in counterparts, each of which when so executed and delivered shall be deemed an original, but all such counterparts shall together constitute one and the same instrument.

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed below as of the date first above written.

Ohio National Investments, Inc.						Xxxx Xxxxx Capital Management, Inc.
By:						By:
		Xxxxxxxxxxx X. Xxxxxxx
		President				Name:
						Title:
Accepted & Agreed:
Ohio National Fund, Inc.
By:
		Xxxx X. Xxxxxx
		President