Bids have apparently been confirmed:

Transport for North East - bidding with Arriva, Stagecoach and Go North East for 43 EVs - 14 double deck EVs for Arriva Durham routes 48, 64 and X46, 7 double deck and 4 single deck EVs for Go North East routes 58 and X66 and 18 single deck EVs for Stagecoach routes 30/31/36

Tees Valley Combined Authority - bidding with Arriva & Stagecoach to bid for 62 EVs - 22 for Arriva Darlington route 2 and Arriva Redcar route 63 as well as 40 for Stagecoach Stockton depot (Nearly the entire allocation i believe)