Stock price when the opinion was issued
Enbridge wants to buy ENF to simplify their corporate structure. In the States, Enbridge offered a small premium, while in Canada, they offered a premium. He suspects the directors of ENF-T are waiting for a higher premium (or that's what he would do). Pays a higher yield than Enbridge Inc. but lacks the dividend growth potential.
Is being rolled up by the parent Enbridge. Now they have tried to simplify their corporate structure. If you hold this, you will either get Enbridge shares or could elect to get cash. Simplifying the structure should make investors more comfortable.