| Date | Time | Headline | Source |
|---|---|---|---|
| 06/12/2022 | 13:39 | Change of Name to 450 Plc | RNS |
| 05/12/2022 | 10:00 | Results of Annual General Meeting | RNS |
| 07/11/2022 | 07:00 | Waheed Alli appointed Chair of MAC plc | RNS |
| 09/09/2022 | 07:00 | Annual Financial Report | RNS |
| 24/05/2022 | 07:00 | Appointment of Sanjeev Gandhi as Independent NED | RNS |
| 08/04/2022 | 07:00 | Company Update | RNS |
| 31/03/2022 | 07:00 | Interim Report for the period ended 31 Dec 2021 | RNS |
| 17/12/2021 | 11:30 | Result of AGM | RNS |
| 01/12/2021 | 07:00 | Notice of Annual General Meeting | RNS |
| 04/10/2021 | 07:00 | Annual Financial Report | RNS |
| 29/06/2021 | 16:30 | Change of Auditor | RNS |
| 12/04/2021 | 12:00 | Holding(s) in Company | RNS |
| 12/04/2021 | 11:48 | Holding(s) in Company | RNS |
| 18/03/2021 | 16:41 | Second Price Monitoring Extn | RNS |
| 18/03/2021 | 16:36 | Price Monitoring Extension | RNS |
| 18/03/2021 | 16:27 | Comment on share price movement | RNS |