Category: Insurance case law · Reviewed by Amy Price, Account Executive · Last reviewed June 2026
Commercial Court decision on aggregation and the follow-the-settlements doctrine in reinsurance: the proper construction of “event” wording and the standard of proof required of a cedant claiming under a treaty after settling underlying claims. Citation requires verification.
[verify citation] — the case is referenced in Apex’s case index as GE Reinsurance Corporation v New Hampshire Insurance Co [2003] EWHC 302 (Comm), a Commercial Court decision on reinsurance, aggregation and follow-the-settlements. Editorial verification of the precise citation, parties and date is required from the primary report.
In broad terms, the case is understood to have concerned a reinsurance dispute between GE Reinsurance Corporation (as reinsurer) and New Hampshire Insurance Co (as cedant), or between parties in those positions, in respect of underlying liability or property exposures. The cedant had settled a number of underlying claims with original assureds and had then sought to recover the settlements from the reinsurer under a reinsurance treaty containing an aggregation clause and a follow-the-settlements provision.
The reinsurer disputed the cedant’s right to recover, raising arguments on three fronts:
(1) The proper construction of the aggregation provision in the treaty — in particular, whether the underlying claims could be aggregated as arising out of “one event” or under whatever unifying language was used in the treaty.
(2) Whether the cedant had complied with its obligations under the follow-the-settlements clause, including the requirement that the underlying settlements were entered into in a businesslike manner and that the claims fell, or arguably fell, within the scope of the underlying insurance.
(3) Allocation of losses across treaty years and the operation of the per-event and aggregate limits.
The cedant relied on the established principle in Insurance Co of Africa v Scor [1985] 1 Lloyd’s Rep 312 that, where there is a properly drafted follow-the-settlements clause, the reinsurer is generally bound by the cedant’s good-faith settlement of underlying claims, subject to the requirement that the loss in fact fell within the scope of both the underlying insurance and the reinsurance.
[verify citation] — the issues, as best understood from secondary references, included:
(1) The proper construction of the aggregation language in the reinsurance treaty: whether the unifying concept was “event”, “occurrence”, “originating cause” or some bespoke formulation, and how that concept applied to the underlying claims at issue.
(2) The operation of the follow-the-settlements clause: the standard of proof that the cedant must meet to show that the underlying settlements were within the scope of cover, and the extent to which the reinsurer is bound by the cedant’s loss-allocation decisions.
(3) The interaction between aggregation and follow-the-settlements: whether the cedant’s allocation of claims to a particular event or aggregate could itself bind the reinsurer under the follow-the-settlements wording.
(4) Quantum and presentation of the cedant’s claim.
[verify citation] — the precise outcome and reasoning cannot be summarised here without confirmation of the primary judgment.
In broad terms, the case is understood to have applied the framework established in Scor and refined in subsequent authorities (including Hill v Mercantile and General Reinsurance Co [1996] 1 WLR 1239 and Charman v GuardRoyalExchange [1992] 2 Lloyd’s Rep 607). On follow-the-settlements, the court would have required the cedant to demonstrate (i) that the underlying settlement was entered into in a proper and businesslike manner and (ii) that the loss in fact, or at least arguably, fell within the risks reinsured.
On aggregation, the case is understood to have applied the standard framework: identifying the unifying concept in the treaty, asking whether the underlying claims share the required unity of cause/time/place/event, and applying the result to the per-event and aggregate provisions of the treaty.
[verify citation] — pending confirmation of the primary report.
The general ratio, in the form in which the case is cited in later authorities, is that:
(i) A follow-the-settlements clause does not impose an absolute obligation on the reinsurer to follow whatever the cedant has done. The cedant must show that the settlement was reached in a businesslike manner and that the underlying loss fell, or arguably fell, within the scope of cover both at the underlying level and at the reinsurance level.
(ii) The cedant’s allocation of underlying losses to a particular event or treaty year for aggregation purposes is a matter of substance, not of administrative convenience. It must reflect the proper construction of the aggregation provision and is not protected from review merely because the cedant has adopted it in good faith.
The case sits within a body of Commercial Court jurisprudence on reinsurance treaty practice that is of enduring importance to the London market.
First, it reinforces the orthodox understanding of follow-the-settlements developed in Scor and subsequent cases: the reinsurer is not bound by the cedant’s settlement decision unless the underlying loss fell, or at least arguably fell, within the risks reinsured. This standard provides comfort to reinsurers that follow-the-settlements is not an unconditional cheque book.
Second, it confirms that aggregation arguments in reinsurance turn on the construction of the treaty wording rather than on the cedant’s commercial preferences. Reinsurers are entitled to test the cedant’s aggregation analysis.
Third, the case is part of the body of authority on which modern reinsurance treaty drafting is built. Issues such as “follow the fortunes”, “follow the settlements”, “claims control”, “claims cooperation”, and aggregation language continue to be drafted with these authorities in mind. Brokers placing reinsurance for clients with significant exposure to mass claims (mis-selling, BI, product liability, cyber) should ensure clients understand how these provisions operate together.
Fourth, the analytical framework — distinguishing what the cedant must prove on aggregation from what it must prove on follow-the-settlements — has been influential in disputes well beyond reinsurance, including in delegated authority and binder arrangements where similar issues arise about the principal’s right to challenge the agent’s claims handling.
Apex brokers should verify the primary citation before relying on this entry in claims correspondence.
By Matt Bartlett, Director, on 2026-06-06. Next review: 2026-12-06.
This entry is part of the Apex Insurance Wiki. Last reviewed by Matt Bartlett on 2026-06-06. Apex Insurance Brokers Limited, FCA FRN 724952, Companies House 07014570. Not regulated advice — consult your broker on your specific position.
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