| Date | Petrol 95 ULP | Petrol 93 ULP & LRP | Diesel 0.05% | Diesel 0.005% | ILL. PAR. | Daily Exchange Rate | Brent Crude Oil | |
| 18 May 2012 | 51.706c dec | 57.646c dec | 24.065c dec | 24.521c dec | 18.682c dec | $8.3037 | $107.49 | 0.53 inc |
| 17 May 2012 | 50.881c dec | 56.886c dec | 24.033c dec | 24.626c dec | 18.671c dec | R/$ 8.3624 | $111.71 | 0.11 inc |
| 16 May 2012 | 50.523c dec | 56.597c dec | 24.836c dec | 25.444c dec | 19.336c dec | R/$ 8.1956 | $112.24 | 0.51 inc |
| 15 May 2012 | 49.445c dec | 55.590c dec | 24.735c dec | 25.405c dec | 19.299c dec | R/$ 8.2088 | $111.57 | 0.58 inc |
| 14 May 2012 | 48.768c dec | 54.981c dec | 24.735c dec | 25.434c dec | 19.364c dec | R/$ 8.0911 | $111.79 | 0.47 dec |
| 11 May 2012 | 47.241c dec | 53.657c dec | 24.548c dec | 24.996c dec | 19.371c dec | R/$ 8.0370 | $112.73 | 0.31 inc |
| 10 May 2012 | 45.251c dec | 51.915c dec | 24.123c dec | 24.996c dec | 19.153c dec | R/$ 7.9840 | $113.20 | 0.56 inc |
| 9 May 2012 | 42.616c dec | 49.583c dec | 23.100c dec | 23.953c dec | 18.142c dec | R/$ 7.8709 | $112.73 | 0.28 dec |
| 8 May 2012 | 38.449c dec | 45.803c dec | 20.290c dec | 21.163c dec | 15.373c dec | R/$ 7.8606 | $113.45 | 0.35 inc |
| 7 May 2012 | 33.695c dec | 41.536c dec | 17.343c dec | 18.312c dec | 12.469c dec | $7.7548 | $111.37 | 1.81 dec |
| 4 May 2012 | 26.918c dec | 35.120c dec | 13.402c dec | 14.512c dec | 8.464c dec | R/$ 7.7556 | $116.08 | 0.05 dec |
| 3 May 2012 | 21.097c dec | 29.780c dec | 11.326c dec | 12.597c dec | 6.002c dec | R/$ 7.7463 | $118.20 | 0.11 inc |
| 2 May 2012 | 14.352c dec | 23.823c dec | 9.716c dec | 11.225c dec | 3.665c dec | R/$ 7.7600 | $119.52 | 0.14 dec |
| 1 May 2012 | 14.030c dec | 22.998c dec | 10.331c dec | 11.958c dec | 4.034c dec | R/$ 7.7600 | $119.01 | 0.46 dec |
| 30 April 2012 | 14.474c dec | 22.334c dec | 10.327c dec | 11.957c dec | 4.026c dec | R/$ 7.7688 | $119.83 | 0.09 dec |
| 26 April 2012 | 17.918c dec | 24.414c dec | 13.260c dec | 15.104c dec | 7.183c dec | R/$ 7.7783 | $119.12 | 0.11 inc |
| 25 April 2012 | 23.405c inc | 19.998c inc | 4.636c inc | 3.669c inc | 8.917c inc | R/$ 7.843 | $118.16 | 0.01 inc |
| 24 April 2012 | 23.584c inc | 20.173c inc | 5.373c inc | 4.457c inc | 9.541c inc | R/$ 7.8596 | $118.56 | 0.15 dec |
| 23 April 2012 | 26.038c inc | 22.615c inc | 6.322c inc | 5.460c inc | 10.423c inc | R/$ 7.8231 | ||
| 20 April 2012 | 28.637c inc | 25.238c inc | 7.215c inc | 6.368c inc | 11.293c inc | R/$ 7.8456 | $118.00 | 0.17 inc |
| 19 April 2012 | 31.067c inc | 27.705c inc | 8.228c inc | 7.397c inc | 12.244c inc | R/$ 7.8289 | $117.97 | 0.09 dec |
| 18 April 2012 | 34.057 inc | 30.760 inc | 9.803 inc | 9.024 inc | 13.769 inc | R/$ 7.8938 | $118.72 | 0.06 dec |
| 17 April 2012 | 36.028c inc | 33.023c inc | 10.985c inc | 10.270c inc | 14.785c inc | R/$ 7.9950 | $121.83 | 0.11 inc |
| 16 April 2012 | 36.951c inc | 34.301c inc | 11.384c inc | 10.737c inc | 15.173c inc | R/$ 7.9395 | $121.83 | 0.11 inc |
| 13 April 2012 | 37.610c inc | 35.222c inc | 11.606c inc | 11.004c inc | 15.428c inc | R/$ 7.9693 | $121.71 | 0.08 inc |
| 12 April 2012 | 38.615c inc | 36.403c inc | 11.745c inc | 11.244c inc | 15.656c inc | R/$ 8.0530 | $120.18 | 0.20 inc |
| 11 April 2012 | 40.144c inc | 38.125c inc | 11.591c inc | 11.216c inc | 15.692c inc | R/$ 7.9516 | $119.88 | 0.11 inc |
| 10 April 2012 | 42.209c inc | 40.284c inc | 12.160c inc | 11.963c inc | 16.398c inc | R/$ 7.8484 | $122.67 | 0.11 inc |
| 5 April 2012 | 53.975 inc | 52.522c inc | 16.541c inc | 17.173c inc | 21.619c inc | R/$ 7.7932 | $122.34 | 0.28 dec |
| 4 April 2012 | 60.620c inc | 60.518c inc | 19.438c inc | 20.749c inc | 24.990c inc | R/$ 7.6701 | $124.86 | 0.11inc |
| 3 April 2012 | 56.897c inc | 58.512c inc | 16.984c inc | 18.463c inc | 22.345c inc | R/$ 7.6529 | $125.43 | 0.11 inc |