It's a year old. Don't know what if anything should be replaced. It's for a pumpkin stout. Everything is in a sealed bag but the grains are covered in something black and don't know if they should be...
Year old - I'd pitch it. If the yeast was not refrigerated and the hops were not frozen those are DEFINITELY worthless. The DME would probably be okay, but I doubt the LME would be.