| Event | Proposed Date | |
| WHSP Announce Half Year Results for 2018 FY | 22 March 2018 | |
| Payment of Interim Dividend | 10 May 2018 | |
| WHSP Announce Full Year Results for 2018 FY | 20 September 2018 | |
| 2018 WHSP AGM | 7 December 2018 | |
| Payment of Final Dividend | 10 December 2018 | |