The prospect of the bout was first reported by MMA Diehards.
Nothing is set in stone through the promotion at this point but the card is currently expected to take place on August 1 from the EnergySolutions Arena in Salt Lake City, Utah.
Ellenberger is anxious to return to action due to the fact that his UFC 111 clash with Ben Saunders was scrapped in order to give Jon Fitch an opponent for the event. Ellenberger currently sports a career record of 22-5, while going 1-1 in the UFC.
Howard has been on an absolute rampage since entering the UFC in January of 2009, stringing together a succession of four straight victories over the likes of Chris Wilson, Tamdan McCrory, Dennis Hallman and Daniel Roberts.