Found this one today... just in front a pile of the Carnation box with the new promo on them... didn't buy the box but looks like the same ones from last year carnation box but expiry is June 30th, 2014 said on the box.
#10037339 save 0.50$ on any purchase of CARNATION Hot Chocolate 225g-2.15kg canisters and 7ct-10ct cartons exp. May 31, 2014