Jadestone Energy (JSE): PT Prima Petroleum Energi towards control

What is happening

Jadestone Energy: PT Prima Petroleum Energi towards control – 28.2779% (from 0%). ['28.2779% (from 0%)']

In short

On 2 Sep 2026 Prima Energy, an Indonesian oil and gas operator, agreed to buy c.28.3% of Jadestone from Tyrus Capital funds, its largest shareholder, under a private share purchase agreement. Prima said it has no intention of making an offer and is bound by Rule 2.8. Jadestone responded the same day, noting it has not yet received independent confirmation of the Sale.

Announced

3 Sep 2026 · 28.2779%

Buyer

PT Prima Petroleum Energi (Prima Energy), Indonesian independent oil and gas company

Seller

Tyrus Capital S.A.M. funds

Stake

c.28.3% of issued share capital, agreed 2 Sep 2026

Offer intention

No intention to make an offer; bound by Rule 2.8 of the UK Takeover Code

Rule 2.8 set-aside

With board agreement, a third-party offer or possible offer, a Rule 9 waiver or reverse takeover, or a material change of circumstances

Advisers

Standard Chartered (financial); Herbert Smith Freehills Kramer (legal)

Company response

2 Sep 2026: Jadestone has not yet received independent confirmation of the Sale

What comes next

independent confirmation of the Sale received by Jadestone.

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