JOINT FILING AGREEMENT
EXHIBIT 3
The undersigned hereby agree that this Statement on Schedule 13D with respect to the Common
Stock of eXegenics Inc. of even date herewith is, and any amendments thereto signed by each of the
undersigned shall be, filed on behalf of each the undersigned pursuant to and in accordance with
the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.
| Dated: February 15, 2007 | THE FROST GROUP, LLC |
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| /s/ Xxxxxx X. Xxxxx | ||||
| Xxxxxx X. Xxxxx, Vice President | ||||
| Dated: February 15, 2007 | FROST GAMMA INVESTMENTS TRUST |
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| /s/ Xxxxxxx Xxxxx, M.D. | ||||
| Xxxxxxx Xxxxx, M.D., Sole Trustee | ||||
| /s/ Xxxxxxx Xxxxx, M.D. | ||||
| Xxxxxxx Xxxxx, M.D., Individually | ||||
