13D EXHIBIT A JOINT FILING AGREEMENT
Exhibit A
The undersigned hereby agree that the Statement on Schedule 13D with respect to the shares of
Common Stock, $0.0001 par value per share, of National American University Holdings, Inc. and any
further amendments thereto executed by each and any of us shall be filed on behalf of each of us
pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange
Act of 1934, as amended, and further agree that this Agreement of Joint Filing be included as an
Exhibit to such joint filing.
This Agreement may be executed in separate counterparts, each of which shall be deemed an
original, but all of which shall constitute one and the same instrument.
Dated: December 3, 2009
| /s/ Xxxxxx X. Xxxxxxxxxx | ||||
| Xxxxxx X. Xxxxxxxxxx | ||||
| Xxxxxx X. Xxxxxxxxxx Living Trust |
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| /s/ Xxxxxx X. Xxxxxxxxxx | ||||
| Xxxxxx X. Xxxxxxxxxx, Trustee | ||||
| H. & X. Xxxxxxxxxx Limited Partnership |
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| /s/ Xxxxxx X. Xxxxxxxxxx | ||||
| Xxxxxx X. Xxxxxxxxxx, General Partner | ||||
