Publication & Posting of Increased Offer Document

Brave Bison’s increased offer for System1 is live, but no acceptances yet secured.

What the company is saying

Brave Bison Group PLC has formally published and posted its increased, fourth takeover offer for System1 Group PLC, effective 17 September 2026. The company frames the offer as a significant step to create a challenger marketing data and technology company on AIM, offering System1 shareholders 135 pence in cash plus 2.394 new Brave Bison shares per System1 share. The announcement details the procedural steps, including the timetable for acceptance, the process for settlement, and the potential for a statutory squeeze-out if 90% acceptance is reached. Brave Bison highlights that it has received letters of intent covering 1,438,980 System1 shares (11.34% of issued share capital) from named shareholders, but explicitly discloses that as of the announcement date, it has received zero valid acceptances. The company’s tone is factual and procedural, emphasizing transparency in shareholdings and the mechanics of the offer rather than strategic or financial benefits. Named executives responsible for the process include Oliver Green (Executive Chairman), Theo Green (Chief Growth Officer), and Philippa Norridge (Chief Financial Officer), with Cavendish Capital Markets Limited acting as financial adviser.

What the data suggests

The offer terms are specific: each System1 share is eligible for 135 pence in cash and 2.394 new Brave Bison shares. The issued share capital of System1 stands at 12,689,073 shares as of 16 September 2026. Brave Bison currently owns or is interested in 3,534,010 System1 shares (27.85%) and has received letters of intent for an additional 1,438,980 shares (11.34%), totaling 4,972,990 shares or 39.19% of System1’s issued share capital. The letters of intent are detailed by shareholder and share count, with the largest from Stefan Barden (513,629 shares, 4.05%). Despite these letters, no valid acceptances have been received as of 11:30 a.m. on 17 September 2026. The acceptance threshold for compulsory acquisition is 90%, and the offer will lapse if conditions are not met by the earlier of 26 October 2026 or 31 December 2026. The data is comprehensive for tracking offer progress but does not address financial performance, synergies, or integration plans.

Analysis

The announcement is a formal procedural update on Brave Bison's increased offer for System1 Group PLC, providing clear details on offer terms, acceptance procedures, and current shareholdings. The language is factual and avoids promotional or exaggerated claims, focusing on the mechanics and timetable of the offer. While some statements are forward-looking (e.g., expected admission of shares, payment timelines, potential squeeze-out), these are standard for a takeover process and are not presented as realised benefits or guaranteed outcomes. There is no attempt to overstate progress or inflate the significance of the current status—indeed, the company transparently discloses that it has received zero valid acceptances as of the announcement date. The capital intensity flag is set to true because the offer involves a significant cash and share consideration, but the benefits (control of System1) are not immediate and depend on future acceptances. Overall, the narrative is proportionate to the evidence, with no hype or narrative inflation.

Risk flags

• ●The primary risk is the absence of valid acceptances as of the announcement date, despite letters of intent covering only 11.34% of shares. Without actual acceptances, the offer may fail to reach the minimum threshold required for completion.
• ●There is execution risk in converting letters of intent into binding acceptances, as these are not legally binding and shareholders may change their position before the deadline.
• ●The offer requires reaching a 90% acceptance threshold for compulsory acquisition, but Brave Bison currently controls or has indications for only 39.19% of shares, leaving a substantial gap to close within a limited timeframe.
• ●If the offer lapses due to insufficient acceptances or unmet conditions by 26 October 2026 or 31 December 2026, Brave Bison will not gain control, and the resources expended on the bid may not yield any strategic benefit.
• ●There is no disclosure of integration plans, expected synergies, or financial impact, which limits visibility on the potential value of the transaction even if completed.

Bottom line

Brave Bison’s increased offer for System1 is now formally open, with a clear timetable and transparent disclosure of shareholdings and letters of intent. The company has detailed support from certain shareholders but has yet to secure any valid acceptances, meaning the outcome is highly uncertain. The gap between current committed shares (39.19%) and the 90% squeeze-out threshold is significant, and all progress so far is procedural rather than substantive. Investors should focus on whether actual acceptances begin to materialize in the coming weeks, as this will determine if the offer can proceed to completion. The most important takeaway is that, despite the formal launch and some shareholder support, Brave Bison’s bid for System1 remains at an early stage with substantial execution risk and no guarantee of success.

Announcement summary

(LSE:BBSN) Brave Bison Group PLC has published and posted the Increased Offer Document and a revised form of acceptance and election to System1 Group PLC shareholders on 17 September 2026, reflecting the terms of its increased, fourth offer. Under the Fourth Offer, System1 shareholders are entitled to receive 135 pence in cash and 2.394 new Brave Bison Shares per System1 Share. The Increased Offer Document and sample Second Form of Acceptance and Election are available on Brave Bison’s website, subject to restrictions for certain jurisdictions. The timetable of principal events includes the publication of the Original Offer Document and First Form of Acceptance and Election on 27 August 2026, and the publication of the Increased Offer Document and Second Form of Acceptance and Election on 17 September 2026. The latest time and date by which the Offer can be accepted is 1.00 p.m. on 26 October 2026, and the latest date and time by which the Offer may be declared or become unconditional is 11.59 p.m. on 26 October 2026. Admission of and dealings in New Brave Bison Shares on AIM are expected by or as soon as possible after 8.00 a.m. on the business day after the Offer becomes or is declared unconditional. Despatch of share certificates and payment of cash consideration to System1 shareholders is to occur no later than 14 calendar days after the Offer becomes or is declared unconditional. The Long-Stop Date is 11.59 p.m. on 31 December 2026. If Brave Bison receives acceptances in respect of 90% or more in value of the Offer Shares, it intends to exercise statutory squeeze-out provisions to acquire the remaining System1 Shares. The Offer will remain open for at least 14 days after becoming unconditional. As of 17 September 2026 at 11:30 a.m., Brave Bison had received valid acceptances for zero System1 Shares, was interested in 3,534,010 System1 Shares (27.85% of System1’s issued share capital), and had received letters of intent to accept the Offer in respect of 1,438,980 System1 Shares (11.34% of issued share capital). In total, Brave Bison either owns or has received letters of intent for 4,972,990 System1 Shares, representing 39.19% of System1’s issued share capital. Letters of intent have been received from Stefan Barden (513,629 shares, 4.05%), Liam Barden (32,834 shares, 0.26%), Ennia Barden (33,417 shares, 0.26%), Danny Barden (47,080 shares, 0.37%), Mark Barden (17,138 shares, 0.14%), Dennis Barden (50,000 shares, 0.39%), Alex Batchelor (63,096 shares, 0.50%), Sarah Kearon (339,629 shares, 2.68%), Heather Kearon (14,465 shares, 0.11%), and Heritage Capital Management Limited and Heritage Fund Managers Limited (327,692 shares, 2.58%). The issued share capital of System1 is 12,689,073 shares as at 16 September 2026. No acceptances have been received from persons acting in concert with Brave Bison or in respect of System1 Shares subject to a letter of intent procured by Brave Bison. Brave Bison’s legal advisers are Addleshaw Goddard LLP, and Cavendish Capital Markets Limited is acting as financial adviser, nominated adviser, and joint broker. The person responsible for arranging the release of this announcement is Theo Green, Chief Growth Officer.

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