| 16/01/24 | 08:15:00 | 16 Jan 2024 | | Appointment of new Chief Financial Officer |
| 13/12/23 | 07:00:21 | 13 Dec 2023 | | C$4.91 raise supports ongoing commercialisation |
| 12/12/23 | 13:20:48 | 12 Dec 2023 | | TR-1: NOTIFICATION OF MAJOR HOLDINGS |
| 11/12/23 | 18:15:00 | 11 Dec 2023 | | Result of Fundraising |
| 05/12/23 | 07:00:10 | 5 Dec 2023 | | Result of Placing & Broker Option Update |
| 04/12/23 | 13:28:16 | 4 Dec 2023 | | Close of Bookbuild |
| 01/12/23 | 18:13:11 | 1 Dec 2023 | | Update. Re investor-led financing |
| 30/11/23 | 18:40:37 | 30 Nov 2023 | | Ondine announces investor-led financing |
| 16/11/23 | 07:00:14 | 16 Nov 2023 | | Photodisinfection recommended as Standard of Care |
| 31/10/23 | 09:00:00 | 31 Oct 2023 | | Steriwave use expanded following successful pilot |
| 23/10/23 | 07:00:14 | 23 Oct 2023 | | 66.5% reduction in spine surgery infection rate |
| 18/10/23 | 07:00:12 | 18 Oct 2023 | | Steriwave shown to reduce resistant bacteria |
| 13/10/23 | 07:00:13 | 13 Oct 2023 | | Steriwave now in Canada's East Coast |
| 10/10/23 | 09:00:00 | 10 Oct 2023 | | Ondine to present poster at IP2023, Liverpool |
| 09/10/23 | 07:00:16 | 9 Oct 2023 | | Hospital to adopt Steriwave as standard-of-care |
| 29/09/23 | 09:00:06 | 29 Sept 2023 | | Burnaby Hospital deploys Steriwave |
| 25/09/23 | 09:00:01 | 25 Sept 2023 | | Half-year Report |
| 21/09/23 | 07:00:08 | 21 Sept 2023 | | Montreal Heart Institute pilots Steriwave |
| 14/09/23 | 12:00:01 | 14 Sept 2023 | | Steriwave proven effective against XDR bacteria |
| 12/09/23 | 09:00:01 | 12 Sept 2023 | | Steriwave evaluation at major heart institute |
| 30/08/23 | 07:00:06 | 30 Aug 2023 | | Notice of Results and Investor Presentation |
| 29/08/23 | 09:30:01 | 29 Aug 2023 | | Ondine to present new AMR research at ICPIC Geneva |
| 21/08/23 | 07:00:04 | 21 Aug 2023 | | Issue of Equity and TVR |
| 07/08/23 | 09:00:01 | 7 Aug 2023 | | Ondine technology used in major Canadian hospital |
| 01/08/23 | 07:00:03 | 1 Aug 2023 | | Ondine commences first NHS Steriwave® pilot |
| 17/07/23 | 10:04:08 | 17 Jul 2023 | | Ondine receives impact award at IPA World Congress |
| 07/07/23 | 17:58:34 | 7 Jul 2023 | | Corporate Update |
| 22/06/23 | 09:00:01 | 22 Jun 2023 | | Photodisinfection cuts COVID in meat processing |
| 25/05/23 | 07:00:06 | 25 May 2023 | | Result of AGM |
| 23/05/23 | 07:00:02 | 23 May 2023 | | Annual Report for the Year Ended 31 December 2022 |
| 10/05/23 | 07:09:35 | 10 May 2023 | | Full Year Results |
| 03/05/23 | 15:30:02 | 3 May 2023 | | Notice of Results and Investor Presentation |
| 03/05/23 | 08:02:52 | 3 May 2023 | | Notice of AGM |
| 03/05/23 | 07:56:54 | 3 May 2023 | | Issue of Equity |
| 20/04/23 | 12:00:02 | 20 Apr 2023 | | Ondine reports successful food pathogen study |
| 18/04/23 | 11:00:01 | 18 Apr 2023 | | Ondine Phase 2 results presented at ECCMID 2023 |
| 17/04/23 | 07:00:02 | 17 Apr 2023 | | Progress Update |
| 05/04/23 | 15:00:01 | 5 Apr 2023 | | Ondine food-safe photodisinfection update |
| 07/03/23 | 07:00:07 | 7 Mar 2023 | | Lux Vitae advocates Steriwave for COVID prevention |
| 03/03/23 | 07:00:15 | 3 Mar 2023 | | Ottawa hospital presents Steriwave study results |
| 22/02/23 | 07:00:08 | 22 Feb 2023 | | Grant of Share Options |
| 31/01/23 | 12:01:08 | 31 Jan 2023 | | Ondine’s APDT reduces SARS-CoV-2 infectivity |
| 17/01/23 | 10:04:16 | 17 Jan 2023 | | TR-1: Notification of major holdings |
| 17/01/23 | 09:30:00 | 17 Jan 2023 | | New photodisinfection study published |
| 13/01/23 | 16:40:45 | 13 Jan 2023 | | Second Price Monitoring Extn |
| 13/01/23 | 16:35:26 | 13 Jan 2023 | | Price Monitoring Extension |
| 30/12/22 | 12:31:19 | 30 Dec 2022 | | Appointment of Nominated Adviser |
| 12/12/22 | 07:00:03 | 12 Dec 2022 | | Steriwave receives regulatory approval in Mexico |
| 05/12/22 | 07:00:04 | 5 Dec 2022 | | Ondine receives funding for meat photodisinfection |
| 02/12/22 | 18:25:38 | 2 Dec 2022 | | Ondine receives funding for meat photodisinfection |
