| 10:20 | UJO, CNS, OPG | AIM WINNERS & LOSERS: OPG proposes buyback; Corero gets renewal | Alliance |
| 07:00 | UJO | Sark Well Central Oklahoma USA Update | RNS |
| 29.10.2025 11:02 | UJO, HSP, RWS | AIM WINNERS & LOSERS: RWS rises; Union Jack Oil withdraws warrant vote | Alliance |
| 29.10.2025 07:00 | UJO | Cancellation of General Meeting | RNS |
| 23.10.2025 14:28 | PREM, SCLP, UJO | UK shareholder meetings calendar - next 7 days | Alliance |
| 10.10.2025 11:13 | UJO | IN BRIEF: Union Jack Oil offers bonus warrant issue after fundraise | Alliance |
| 10.10.2025 07:00 | UJO | Notice of General Meeting | RNS |
| 29.09.2025 12:53 | LEX, EST, REDC | EARNINGS: itim widens loss; Ceiba and Union Jack Oil swing to loss | Alliance |
| 29.09.2025 07:00 | UJO | Unaudited Results for 6 months ended 30 June 2025 | RNS |
| 24.09.2025 19:08 | UJO | IN BRIEF: Union Jack Oil's Sark well to undergo 30-day test programme | Alliance |
| 24.09.2025 07:00 | UJO | Sark Well Central Oklahoma USA Update | RNS |
| 26.08.2025 11:12 | UJO | Withdrawal of Resolution | RNS |
| 19.08.2025 14:58 | UJO, PCA, LIV | UK shareholder meetings calendar - next 7 days | Alliance |
| 15.08.2025 13:14 | UJO | IN BRIEF: Union Jack Oil says Sark well in Oklahoma has been spudded | Alliance |
| 08.08.2025 07:00 | UJO | Purchase of Shares by Non-Executive Director | RNS |
| 07.08.2025 07:00 | UJO | Operations Update on West Newton PEDL183 | RNS |
| 05.08.2025 07:00 | UJO | Notice of General Meeting | RNS |
| 01.08.2025 13:03 | UJO | Total Voting Rights | RNS |
| 25.07.2025 07:00 | UJO | Director/PDMR Shareholding | RNS |
| 23.07.2025 19:57 | UJO | IN BRIEF: Union Jack Oil raises GBP2 million to fund US drilling plans | Alliance |
| 23.07.2025 14:07 | UJO | Placing and Subscription of £2m to fund growth | RNS |
| 09.07.2025 07:00 | UJO | Farm-in Agreement: Sark Drilling Project, USA | RNS |
| 02.07.2025 20:11 | 88E, UJO, AVCT | TRADING UPDATES: IntelliAM wins order; Schroder BSC mulls options | Alliance |
| 02.07.2025 07:00 | UJO | Resumption of Production at Keddington Oilfield | RNS |
| 27.06.2025 12:40 | UJO | Result of AGM | RNS |
| 19.05.2025 14:19 | UJO | Union Jack Oil expects US expansion success despite drop in earnings | Alliance |
| 19.05.2025 07:00 | UJO | Final Results for the Year Ended 31 December 2024 | RNS |
| 23.04.2025 09:41 | UJO | Appointment of Joint Broker | RNS |
| 04.03.2025 07:00 | UJO | Moccasin 1-13 Well, Oklahoma, USA Update | RNS |
| 25.02.2025 07:00 | UJO | Moccasin 1-13 Well, Pottawatomie County, Update | RNS |
| 29.01.2025 07:00 | UJO | Moccasin 1-13 Well USA Update | RNS |
| 07.01.2025 12:01 | UJO | Union Jack Oil celebrates spudding of Moccasin 1-13 well in Oklahoma | Alliance |
| 07.01.2025 07:00 | UJO | Spudding of Moccasin 1-13 Well | RNS |
| 26.11.2024 07:00 | UJO | Taylor 1-16 Drilling Update | RNS |
| 12.11.2024 07:00 | UJO | Wressle Planning Update PEDL180/PEDL182 | RNS |
| 29.10.2024 07:00 | UJO | Spudding of Taylor-1 Well, Oklahoma, USA | RNS |
| 18.10.2024 11:06 | UJO, MTC | AIM WINNERS & LOSERS: Mothercare enjoys boost on new refinancing deal | Alliance |
| 18.10.2024 10:30 | UJO, EOG | Approval for more development of Lincolnshire oil field to be revoked | Alliance |
| 18.10.2024 07:00 | UJO | Wressle Planning Update | RNS |
| 17.10.2024 07:00 | UJO | Response to Media Speculation | RNS |
| 24.09.2024 07:00 | UJO | West Newton Update | RNS |
| 23.09.2024 07:00 | UJO | Unaudited Results for 6 Months Ended 30 June 2024 | RNS |
| 16.09.2024 07:00 | UJO | Wressle – Receipt of Planning Approval | RNS |
| 19.08.2024 19:32 | UJO | IN BRIEF: Union Jack Oil seals two US deals, makes progress at Andrews | Alliance |
| 19.08.2024 07:00 | UJO | USA Projects and Corporate Update | RNS |
