So I was wrong too. 1098 = 007 and 1099=s04. Both 1098 and 1099 are whitbread strains, but 1098 is the drier version. 1099 has a whitelabs equivalent, wlp017, but it's a seasonal yeast, or the platinum series if you will. Wlp002 is wyeast 1968. Sorry for any confusion