Holding(s) in Company
PT Prima Petroleum Energi has acquired a significant stake in Jadestone Energy Plc, now holding 28.27789% of the company's voting rights, which equates to 154,094,444 shares. This notification follows an acquisition or disposal of voting rights, with the threshold being crossed on August 28, 2026. The notification was made to the issuer on September 2, 2026.
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| 1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are at-tached ii : | Jadestone Energy Plc |
- Please indicate if the issuer is a non-UK issuer (please mark with an "X" if appropriate)
Non-UK issuer
- Reason for the notification (please mark the appropriate box or boxes with an "X")
| An acquisition or disposal of voting rights | X |
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights
Other (please specify) iii :
Details of person subject to the notification obligation iv
| Name | PT Prima Petroleum Energi |
| City and country of registered office (if applicable) | Jakarta, Indonesia |
Full name of shareholder(s) (if different from 3.) v
| Name | 1. PT Darma Pertiwi Raya 2. PT Pilar Sukses Utama |
| City and country of registered office (if applicable) | 1. Jakarta, Indonesia 2. Jakarta, Indonesia |
| 5. Date on which the threshold was crossed or reached vi : | 28/08/2026 |
| 6. Date on which issuer notified (DD/MM/YYYY): | 02/09/2026 |
- Total positions of person(s) subject to the notification obligation
| Resulting situation on the date on which threshold was crossed or reached | 28.27789% | N/A | 28.27789% | 154,094,444 |
| Position of previous notification (if applicable) | N/A | N/A | N/A | |
| A: Voting rights attached to shares | ||||
| Class/type of shares ISIN code (if possible) | Number of voting rights ix | % of voting rights | ||
| Direct (DTR5.1) | Indirect (DTR5.2.1) | Direct (DTR5.1) | Indirect (DTR5.2.1) | |
| GB00BLR71299 | N/A | 154,094,444 | N/A | 28.27789% |
| SUBTOTAL 8. A | ||||
| B 1: Financial Instruments according to DTR5.3.1R (1) (a) | ||||
| N/A | N/A | N/A | N/A | N/A |
| SUBTOTAL 8. B 1 | N/A | N/A | ||
B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)
| N/A | N/A | N/A | N/A | N/A | N/A |
| SUBTOTAL 8.B.2 | N/A | N/A | |||
| Name xv | % of voting rights if it equals or is higher than the notifiable threshold | % of voting rights through financial in-struments if it equals or is higher than the notifiable threshold | Total of both if it equals or is higher than the notifiable thresh- old | ||
| Go Darmadi (chain 1) | 13.90141% | N/A | N/A | ||
| PT Darma Pertiwi Raya (chain 1) | 14.13896% | N/A | N/A | ||
| Paulus Utomo (chain 2) | 13.90141% | N/A | N/A | ||
| PT Pilar Sukses Utama (chain 2) | 14.13896% | N/A | N/A | ||
| PT Prima Petroleum Energi | 28.27789% | N/A | N/A | ||
| 10. In case of proxy voting, please identify: | |||||
| Name of the proxy holder | N/A | ||||
| The number and % of voting rights held | N/A | ||||
| The date until which the voting rights will be held | N/A | ||||
| 11. Additional information xvi | |||||
| Place of completion | London, England | ||||
| Date of completion | 02/09/2026 | ||||
Cleaned text: letterheads, contacts and legal notices removed. View the original announcement ↗ · Company filings. Not investment advice.