| 06/08/2015 | ACCC commenced review under the Merger Process Guidelines. |
| 04/09/2015 | Closing date for submissions from interested parties. |
| 15/10/2015 | ACCC published a Statement of Issues outlining preliminary competition concerns. |
| 04/11/2015 | Closing date for submissions relating to Statement of Issues. |
| 14/12/2015 | Former proposed decision date of 17 December 2015 delayed at the request of Brookfield. |
| 22/12/2015 | ACCC commenced market inquiries on proposed s87B undertakings. |
| 22/01/2016 | Closing date for submissions relating to the proposed s87B undertakings. |
| 05/02/2016 | Former proposed decision date of 18 February 2016 delayed to allow for provision of further information from Brookfield and consideration of revised s87B undertakings. |
| 23/02/2016 | Asciano announced a potential acquisition by a consortium including both Brookfield and Qube Holdings Limited. ACCC timeline suspended. |
| 30/03/2016 | Following an announcement by Asciano that it had entered into a new binding agreement with Brookfield, Qube and others, the ACCC discontinued this review. The ACCC commenced a review of the new joint proposal to acquire Asciano on 30 March 2016. |
