Long-term supply contracts are widely used by companies to ensure the continued availability of products, raw materials, and services over extended periods. However, the longer the contract term, the greater the exposure to economic and commercial risks, including unexpected fluctuations in foreign exchange rates that may directly affect supply costs and profit margins.
When a supplier relies on purchasing raw materials or products from international markets in a foreign currency, a significant change in the exchange rate can increase the actual cost of performance compared with the price agreed upon when the contract was signed. This makes it important to establish clear contractual provisions governing price adjustments and economic rebalancing.
The Impact of Currency Fluctuations on Supply Contracts#
A depreciation of the local currency against the currency used for purchasing or payment may increase the supplier's actual costs. Conversely, exchange-rate movements may benefit one party in certain circumstances. This makes it important to establish a clear mechanism for allocating currency risk when drafting the contract.
Currency risk is not limited to the value of invoices. It may also affect the cost of raw materials, transportation, insurance, financing, and other expenses associated with fulfilling the supply contract.
Price Adjustment Clauses in Supply Contracts#
The parties may agree in advance on a price adjustment clause that applies when specific exchange-rate changes occur. The purpose of such a clause is to establish when a price adjustment may be triggered, how the adjustment will be calculated, and the threshold at which the mechanism becomes applicable.
A price adjustment clause may address several key elements, including:
The reference exchange rate applicable when the contract is signed.
The agreed source for determining the applicable exchange rate.
The percentage change required to trigger a price review.
The method for calculating an increase or decrease.
Any agreed maximum or minimum adjustment.
The timing of price reviews and the notification procedure.
The more clearly these elements are defined, the easier it becomes to apply the clause and reduce the potential for disputes over its interpretation.
What Is Economic Rebalancing?#
Economic rebalancing is a contractual mechanism designed to address significant changes that may affect the economic basis on which the contract was originally agreed.
It may become relevant when changes in exchange rates or other costs exceed specified thresholds and materially affect the economics of performing the contract under its original terms.
A rebalancing mechanism may require the parties to enter into negotiations within a specified period with the objective of reaching revised pricing or contractual terms that reflect the changed economic circumstances.
The contract should clearly establish how the rebalancing process is triggered, the period available for negotiations, whether existing obligations remain in effect during the negotiation process, and what happens if the parties fail to reach an agreement.
The Difference Between Price Adjustment and Economic Rebalancing#
Although the two mechanisms are closely related, price adjustment and economic rebalancing do not necessarily serve the same function.
A price adjustment mechanism is generally more specific and may rely on a predetermined formula, index, or exchange-rate threshold. Economic rebalancing, by contrast, can have a broader scope and may be designed to address significant economic changes affecting the contractual relationship, potentially through negotiations between the parties.
Accordingly, a contract may include an automatic price adjustment mechanism for defined exchange-rate movements while also providing a separate rebalancing mechanism for exceptional changes that exceed the normal contractual thresholds.
How to Draft an Effective Currency Adjustment Clause#
When drafting a clause addressing currency fluctuations, broad or ambiguous language should be avoided because it may create uncertainty and lead to different interpretations by the parties.
Instead, the contract should clearly identify the indicators and criteria that will be used to determine whether a price adjustment is required.
The parties may also agree to use an official exchange-rate index or a rate published by a reliable and recognized institution rather than leaving the applicable exchange rate open to interpretation.
It is also useful to specify whether the adjustment applies to the entire contract price or only to the portion of the price directly linked to foreign-currency exposure. This distinction can have a significant impact on the final adjustment amount.
Allocating Currency Risk Between the Supplier and the Buyer#
There is no requirement for one party to bear the entire risk associated with exchange-rate fluctuations. The parties may instead agree to share the risk by establishing a range of currency movements that each party will absorb.
For example, the supplier may bear limited exchange-rate movements, while a price adjustment becomes applicable once the change exceeds a specified percentage. The parties may also establish a maximum adjustment or adopt a mechanism for sharing increases or decreases.
The appropriate mechanism depends on several factors, including the nature of the commercial relationship, the duration of the contract, the type of products supplied, the source of raw materials, and the currencies used for pricing and payment.
The Importance of Reviewing the Contract Before Signing#
Currency risks should ideally be addressed during the contract negotiation stage rather than after a significant exchange-rate change has already occurred.
The clearer the price adjustment and rebalancing mechanisms are from the outset, the better positioned the parties will be to manage economic changes without immediately resorting to disputes.
The currency provisions should also be reviewed alongside other contractual provisions, particularly those relating to force majeure, hardship or changed circumstances, termination, renegotiation, and dispute resolution.
Conclusion#
Long-term supply contracts require clear mechanisms for addressing exchange-rate fluctuations, particularly when supply costs are linked to a foreign currency.
Combining price adjustment clauses with economic rebalancing mechanisms can provide a structured framework for dealing with significant economic changes, reducing uncertainty, and helping preserve the contractual balance between the parties.
Simply stating that prices may be adjusted is generally not enough. A well-drafted contract should clearly establish the relevant indicators, adjustment thresholds, calculation methodology, notification requirements, review procedures, and renegotiation mechanisms in a manner appropriate to the nature of the contract and the risks associated with its performance.