This excerpt taken from the TPTX DEF 14A filed Apr 23, 2007.
Vote on Directors
The shares represented by this proxy when properly executed will be voted in the manner directed herein by the undersigned Stockholder(s). If no direction is made, this proxy will be voted FOR items 1, 2 and 3. If any other matters properly come before the meeting, or if cumulative voting is required, the person named in this proxy will vote in their discretion.