| 2017 | |
| Date | Gas Bureau Conference Calls |
| 18 July | Gas Bureau Conference Call Minutes |
| 19 June | Gas Bureau Conference Call Minutes |
| 19 May | Gas Bureau Conference Call Minutes |
| 23 March | Gas Bureau Conference Call Minutes |
| 1 March | Gas Bureau Conference Call Minutes |
| 8 February | Gas Bureau Conference Call Minutes |
| 19 January | Gas Bureau Conference Call Minutes |
| 2016 | |
| 20 December | Gas Bureau Conference Call Minutes |
| 4 July 2016 | Gas Bureau Conference Call Minutes |
| 2014 | |
| 26 September 2014 | Gas Bureau Conference Call Minutes |