1. Source: Canadian Association of Petroleum Producers, Statistical Handbook 2012 33.1% (Lougheed) 4.3% (Redford)

3. Source: Norwegian Petroleum Directorate/Ministry of Petroleum and Energy; Norwegian Public Account 72.4%

4. Source: Canadian Association of Petroleum Producers Statistical Handbook (2012) Norwegian Petroleum Directorate/Ministry of Petroleum and Energy; Norwegian Public Account Alberta vs. Norway: Royalty Payments to Government as % of Total Value of Oil and Gas Production, 1976-2012 72.4% 4.3% (Redford)

5. Source: Derived from royalties and oil and gas sales statistics from the Canadian Association of Petroleum Producers Statistical Handbook (2012)