Bogus.
They are a quest reward. Not a rare drop or something.
1% is from this quest: http://www.ao-universe.com/main.php?...&link=2&id=270
2% is from this quest: http://www.ao-universe.com/main.php?...&link=2&id=271
I am not aware of any quest to obtain a 3%-or-more one.