User blog comment:LilyheartsLightning/Citadel and Reckoning DLC announced/@comment-1786741-20130221185148/@comment-737801-20130221192229

You could argue Ashes, but EC and Leviathan not even in the slightest. All they did was provide information that should have been in the game proper. They filled in large holes that BioWare left wide open.