JOINT FILING AGREEMENT
Exhibit 4
In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the
persons named below agree to the joint filing on behalf of each of them of the Schedule 13D to
which this Agreement is an exhibit (and any further amendment filed by them) with respect to the
shares of Common Stock of Tenby Pharma Inc..
This agreement may be executed simultaneously in any number of counterparts, all of which
together shall constitute one and the same instrument.
Dated: September 25, 2006
| /s/ Xxx Xxxxxxx | ||||
| Xxx Xxxxxxx, individually, and as trustee of | ||||
| the Xxxxxxx Family Trust | ||||
Dated: September 25, 2006
| /s/ Xxxxxxx Xxxxxxx | ||||
| Xxxxxxx Xxxxxxx, individually, and as trustee | ||||
| of the Xxxxxxx Family Trust | ||||
