Sadly, it seems they didn't give the 'dedicated' toll exits any numbers. StreetView somewhat confirms this with the signage at Hambright Road partially being uncovered enough to see only just a "LEFT EXIT" tab.
Lakeview Road (between exits 16 & 18)
Hambright Road (between exits 19 & 23)
On a side note, US-21 (separate from I-77 in this area), will also need points added to both of those roads due to being connections to the new interchanges.