| 25/03/2020 | ACCC commenced informal review under the Informal Merger Review Process Guidelines. |
| 14/04/2020 | Closing date for submissions. |
| 08/05/2020 | ACCC is awaiting further information from the acquirer. Former provisional date for announcement of findings (10 June) is delayed. |
| 11/05/2020 | The ACCC determined the new date of announcement of its findings (as outlined in the Informal Merger Review Process Guidelines, this may be a final decision or release of a Statement of Issues) as 25 June. |
| 02/06/2020 | The ACCC discontinued this review after InfraBuild withdrew its application for informal merger clearance. |
