Remember that stock option news was published in Toronto, so probably issued at current price in $Can. Still, there's long term sentiment on display, and there is rational activity ongoing. The Titan is beginning to breathe!
Five years has been standard language consistently I believe.
But I'm guessing that there is probably a clause in their employee stock compensation program (similar to Sherry Bertner's) that in the event of a merger, buyout, etc., their options would vest immediately.