Non-Disclosure Agreement - Question

[Rene D.]

Have you seen something like this in an NDA you have seen or signed?

"This agreement is a perpetual guarantee for 2 years from the date of execution and is to be applied to any and all transactions presented by _______". 

I realize each broker her their own which I am happy to sign but I haven't seen this before and gives me pause simply at the perpetuity for 2 years. Is this simply stating that for that time period I cannot disclose this or any info from their firm for 2 years? 

Thoughts please.