Suppose a distributor learns that its supplier sells vehicles to affiliated companies overseas at lower prices. If its agreement promises comparable prices across markets, can it insist on those lower prices? That question arose in Aston Martin MENA Limited v Aston Martin Lagonda Limited, when the English Commercial Court (the “Court”) examined a price-parity clause in an international distribution agreement.[1]
On 6 October 2025, Mr Justice Bright dismissed the distributor’s appeal under Section 69 of the Arbitration Act 1996 (the “Arbitration Act”). The Court held that the contract allowed a comparison with prices the manufacturer charged independent retail dealers, rather than the internal prices it set for affiliated distributors, given the arbitral tribunal’s factual findings. The judgment also illustrates why appealing a tribunal’s interpretation of a commercial contract can be difficult when that interpretation depends on the evidence heard by the tribunal.[2]
Facts
Aston Martin Lagonda Limited (“AML”), the British luxury car manufacturer, entered into a distribution agreement dated 19 April 2018 (the “Distribution Agreement”) with Aston Martin MENA Limited (“AMMENA”), its independent exclusive distributor for the Middle East and North Africa. Article 4(A)(1) (the “Pricing Provision”) required AML’s export price to AMMENA not to be “materially higher” than the UK factory price applicable to other territories. It also required AML’s net price to be “in line with” prices applicable to other territories for equivalent vehicles with similar specifications. The agreement did not define “price”.[3]
AML used different sales arrangements in different markets. In North America and China, its distribution network included affiliated companies, referred to as captive distributors. For these transactions, AML used internal transfer prices (“ITPs”), which it set for group purposes subject to tax and regulatory requirements. In Germany, by contrast, AML sold directly to independent dealers at dealer net prices (“DNPs”), which arose from arm’s-length commercial dealings.[4]
The prices charged to AMMENA reflected German DNPs. AMMENA argued that the parties should compare its prices with the ITPs AML charged captive distributors, because those companies performed a similar distribution role. AML maintained that the Pricing Provision called for prices from transactions with independent third parties, regardless of whether those buyers were distributors or retail dealers.[5]
The parties referred their disputes to arbitration in July 2022 under the 2013 UNCITRAL Arbitration Rules. The London Court of International Arbitration appointed a three-member tribunal (the “Tribunal”) under the parties’ agreed appointment mechanism. In its award of 18 November 2024 (the “Award”), the Tribunal accepted AML’s interpretation that the relevant comparators were prices AML charged independent third parties, not intra-group transfer prices. AMMENA obtained permission to appeal that finding on a question of law under Section 69 of the Arbitration Act.[6]
Issues
The principal question was which prices counted under the Pricing Provision. Did the agreement require AML to compare AMMENA’s prices with those charged to captive distributors, or could it use prices charged directly to independent retail dealers? In particular, did the fact that AMMENA was itself a distributor exclude dealer prices from the comparison?[7]
The Court also had to address the test on appeal. AMMENA had obtained permission by arguing that the Tribunal was “obviously wrong”. Did it still have to meet that threshold when the Court heard the substantive appeal?[8]
Holding
The Court dismissed the appeal. It held that the Pricing Provision included prices charged by AML to independent retail dealers, such as the German DNPs, and did not extend to the ITPs set unilaterally within AML’s group in the circumstances found by the Tribunal. The agreement did not confine the comparison to purchasers performing the same distribution function as AMMENA.[9]
The Court further held that only prices AML itself charged could serve as comparators. Prices that captive distributors later charged their retail dealers did not qualify as AML’s UK factory prices. The Judge offered to consider a clarifying order if the parties requested one, but viewed it as a clarification of the Award, not a reason to allow the appeal.[10]
The Court also confirmed that “obviously wrong” is the threshold relevant to permission to appeal under Section 69(3)(c)(i). At the substantive hearing, AMMENA had to show that the Tribunal’s answer to the question of law was merely wrong, not that it was “obviously wrong” a second time.[11]
Reasoning
The Court began with familiar principles of English contractual interpretation. The objective is to determine what the contractual language would mean to a reasonable person with the background knowledge available to the parties when they contracted. As explained in Arnold v Britton and Wood v Capita Insurance Services Ltd, the wording, the agreement as a whole and commercial context must be considered together. Commercial common sense cannot simply replace the words the parties chose.[12]
The wording mattered. Both the “UK factory price” and “the Company’s price” pointed to prices charged by AML, not prices later charged by companies in its group. Nothing in the Pricing Provision said that the other purchaser had to be a distributor. Nor did the clause exclude retail dealers. German DNPs therefore fell within its ordinary meaning.[13]
The nature of the transactions supported that reading. ITPs were set by AML internally, whereas DNPs arose from dealings with independent purchasers. As Bright J explained, commercial parties would not ordinarily be expected to tie their agreed price to accounting figures that one party could set unilaterally. He was careful, however, not to treat the answer as obvious in the abstract: both sides had advanced plausible constructions.[14]
The evidence of what the parties knew in April 2018 could have changed the analysis. AMMENA’s counsel referred to evidence about the absence of other independent distributors, while AML’s counsel said AMMENA did not know about the captive distributors. The Award did not make findings on those matters. Bright J declined to fill that gap himself, while acknowledging that proof of the parties’ shared knowledge of the captive distribution structure might have favoured AMMENA’s interpretation.[15]
Other documents did not resolve the problem. AMMENA relied on the Aston Martin parent company’s 2023 accounts, which described related-party transactions as generally conducted at normal market prices. That did not establish that the particular ITPs were market prices or that this was understood when the Distribution Agreement was signed in 2018. A separate agency agreement and a comfort letter referring to an assumed profit margin of about 15% likewise did not make ITPs the contractual benchmark.[16]
The Court also drew a useful distinction between comparable pricing and a promise of the best available price. The parties agreed that the clause sought a broadly level playing field across territories, but that did not require a comparison limited to captive distributors. In a footnote to the judgment, Bright J rejected the Tribunal’s analogy with a most-favoured-nation clause: AMMENA was protected against a price that was materially higher, not promised the lowest price anywhere.[17]
Finally, the Court addressed the limits of reviewing contractual interpretation under Section 69. The Tribunal had heard witnesses and extensive evidence; the Court was working largely from the Award and the contract. Bright J observed that interpretation can involve both law and fact, and that the importance of the factual background may sometimes justify caution before overturning a tribunal’s conclusion. He nevertheless examined the wording for himself and found no error in the Tribunal’s interpretation.[18]
Conclusion
A price-parity clause does not automatically let a distributor demand the prices charged to a manufacturer’s affiliates. In this case, the clause covered AML’s arm’s-length sales to independent dealers, not the internal prices used for its captive distributors. But the Court did not rule that intra-group prices are always excluded: different wording, or different findings about what the parties knew when they contracted, could lead to a different result.[19]
For businesses negotiating distribution agreements, the lesson is to identify exactly whose prices are being compared, which purchasers qualify and where in the supply chain the comparison takes place.[20] The parties may also wish to agree how pricing will be checked in practice, including whether supporting records can be requested, with the latter being a drafting suggestion, not a requirement imposed by the Court.
For companies already facing arbitration, the case makes another point: develop the factual record before the tribunal. If a pricing argument depends on what both parties understood about the supplier’s sales network, the relevant evidence needs to be put before the tribunal and reflected in its findings. A Section 69 appeal should not be treated as a chance to establish those facts for the first time.[21]
[1] Aston Martin MENA Limited v Aston Martin Lagonda Limited [2025] EWHC 2531 (Comm) [9]-[14], [26]-[30].
[2] Id. [1], [44]-[49], [58]-[60], [73].
[3] Id. [2], [9]-[14], [16]-[17].
[4] Id. [18]-[24].
[5] Id. [26]-[30].
[6] Id. [2]-[7], [38]-[40]; English Arbitration Act, s. 69(3)(c)(i).
[7] Aston Martin MENA [2025] EWHC 2531 (Comm) [26]-[30], [39]-[40], [53], [58]-[60].
[8] Id. [7], [38]; English Arbitration Act, s. 69(3)(c)(i).
[9] Aston Martin MENA [2025] EWHC 2531 (Comm) [39]-[40], [53]-[60], [73].
[10] Id. [50]-[52], [73]-[75].
[11] Id. [38]; English Arbitration Act, s. 69(3)(c)(i).
[12] Arnold v Britton [2015] UKSC 36 [15]-[20]; Wood v Capita Insurance Services Ltd [2017] UKSC 24 [10]-[13]; Aston Martin MENA [2025] EWHC 2531 (Comm) [31]-[32], [45]-[46].
[13] Aston Martin MENA [2025] EWHC 2531 (Comm) [50]-[52], [58]-[60].
[14] Id. [21]-[24], [53]-[55].
[15] Id. [42]-[44], [56]-[60].
[16] Id. [62]-[64], [67]-[69].
[17] Id. [28] fn. 1, [65].
[18] Id. [44]-[60], [73].
[19] Id. [56]-[60].
[20] See Id. [50]-[52], [58]-[60].
[21] See Id. [42]-[44], [47]-[49], [56]-[57].