August 08, 2012 The 167th Peterborough Ex Opens Tomorrow August 08, 2012/ PTBOCANADA The Peterborough Ex opens tomorrow and runs until August 12th. This year's theme is "Celebrate & Educate" and you can see the entire schedule of the festivities. Stay up to date by following them on Twitter and Facebook. [Contributed by PtboCanada's Evan Holt] Tip us at email@example.com. Follow us on Twitter @Ptbo_Canada (hashtag #bethechangeptbo) or Like us on Facebook.