Guide
How Should an Annual Price Reduction Be Structured in a Machined Parts Supply Agreement?
An annual price reduction is a supply-agreement term under which the unit price of a part steps down each year of the agreement by a stated rule, so the buyer receives a share of the productivity the supplier gains as a program matures. The short answer: tie the reduction to something the supplier can actually deliver, such as a joint cost project, rising volume or a stated index, keep it separate from any metal price adjustment, and avoid a flat step with no cost lever behind it.
By Saola Manufacturing engineering team · Published · Updated
General information, not legal advice. Contract wording and governing law vary; have counsel review any clause before you sign.
This guide is for a purchasing manager negotiating a two- or three-year agreement with a mid-size machining supplier after management has asked for annual productivity, and for the supplier's counterpart reading the same clause. It compares the common structures, reads the way real clauses in public SEC filings are built, explains what each does to a supplier's margin and behavior, and shows how the reduction interacts with a metal price clause. It recommends no percentages, because the right figure depends on the part, the process and the cost base. The metal side is a separate question that gets its own clause.
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What is an annual price reduction, and why do buyers ask for it?
It is a scheduled price decrease over the term of an agreement, requested because a supplier's unit cost is expected to fall as a part matures. It is common in large supply chains, and suppliers describe it as pressure they must offset with efficiency.
Autoliv, a large automotive supplier, tells investors in its Form 10-K for fiscal year 2014 (filed February 2015) that it is often forced to accept prices with annual price reduction commitments for long-term sales arrangements, and that its profitability depends on its ability to continuously reduce cost per unit. Its Form 10-K for fiscal year 2022 (filed February 2023) repeats the point and says price reductions have affected sales and profit margins and are expected to continue to do so. The wording is a supplier's view of the practice, not a model clause, but it shows how routine the request is.
A mid-size machining supplier is a different business from a global automotive supplier. It has fewer engineers, narrower margins on any one part, and less room to move cost without the buyer's help. A clause copied from a large-volume contract can ask for more than a small shop can deliver, and the way the gap closes is usually unpleasant for the buyer: slower quality attention, thinner service, or a request to reopen the price when metal moves.
Which structures exist, and what does each do to the supplier?
Six are common: a fixed price for the term, a flat annual step, shared savings from joint projects, a volume-tied step, an index-linked price and a funded productivity project. They differ in who has to find the cost and who bears the risk if it is not there.
The table sets out each with the situation it fits and the main risk. The choice is about behavior. A flat step tells the supplier to find the cost somewhere, anywhere. A shared-savings clause tells both sides to look at the part together. A volume-tied step ties the price to something the supplier can see and plan. An index-linked price removes the argument by letting a published number decide.
For a part running at 10,000 to 20,000 parts a year, the most practical designs are a fixed price for the first period followed by a review, or a shared-savings clause with a short project list. A flat step is fine when the buyer and supplier can name where the cost will fall. It is a poor fit when the only source is the supplier's margin.
| Structure | How it works | What it does to a mid-size supplier | Main risk | Fits when |
|---|---|---|---|---|
| Fixed price for the term, then review | No reduction during the initial term; price reviewed no more than once a year afterward | Gives the supplier room to plan; pressure comes later | Reduction demand returns as one large ask | The part is mature and the supplier has little left to cut |
| Flat annual step | Price steps down by a stated amount each year | Supplier must find the cost every year or lose margin | A target with no cost lever behind it is paid for with quality or a later claim | Costs are known to fall each year, for example as a program matures |
| Shared savings from joint projects | Savings from value analysis are split by who found them, applied over one or two years | Rewards the supplier for ideas and spreads the benefit | Disputes over who found the saving and what it was worth | Both sides have engineers who can work on the part |
| Volume-tied step | Price falls as cumulative business rises above a baseline | Ties the reduction to scale the supplier can see | Baseline and counting rules cause disputes | Demand is growing or can be pooled across part numbers |
| Index-linked | Price follows an agreed cost index in both directions | Passes real cost changes through without a negotiation | The wrong index, or a clause that only lets price fall | Costs are driven by labor, energy or metal that an index tracks |
| Funded productivity project | Buyer funds tooling or automation; price drops once the cost is recovered | Gives the supplier the means to deliver | Ownership of the tooling and the payback rule must be clear | A specific project can lower cycle time or scrap |
How does a real agreement combine these mechanisms?
A real master supply agreement often layers three: a yearly cost reduction, a value-analysis program with a savings split, and a volume reduction above a baseline. The public example below also keeps prices firm for the initial term and allows a review once a year after it.
A Master Supply Agreement filed as Exhibit 10.1 to IntriCon's Form 10-Q (filed November 2019), between a medical-device components supplier and a device maker, shows the structure. Section 3.1.3 obliges the supplier to reduce the aggregate cost of products by at least a stated amount each year over year, starting on the first day of the buyer's next fiscal year, without compromising quality or reliability. Section 3.1.4 sets up a value-analysis and productivity team at the supplier's cost. Savings the buyer identifies go to the buyer in full and sit on top of the annual reduction. Savings the supplier identifies can be applied in part in the first year and the balance in the second, and can count toward the annual reduction. Section 3.2 adds a price reduction for each increment of cumulative business growth above a baseline spend. The dollar and percentage figures in the filing are redacted, so the exhibit shows structure, not levels.
Three features are worth copying. The reduction is defined against the buyer's fiscal calendar, not a vague "each year". The supplier's own ideas count toward the target, which rewards finding savings. And the clause names quality and reliability as limits, so a cost reduction cannot be bought with a weaker part. Two cautions go with them. A supplier-side clause that stacks all three mechanisms can double count the same saving, and the filing's open-book costing and favored-customer clauses are not something every supplier will accept.
How should an annual reduction interact with a metal price adjustment?
Keep them separate. Apply the annual reduction to the conversion portion of the price (machining, setup, inspection, overhead) and let a metal clause move the material portion with an index, in both directions.
If one flat percentage applies to the whole price, a rise in the metal price eats the supplier's margin and the reduction becomes a hidden price cut on top of the metal move. If the metal clause is also missing, the supplier carries the whole risk. Autoliv's 2023 filing notes that commercial negotiations may not always offset all of the adverse impact of higher raw material costs, and that even when increases can be passed on there may be a lapse of time before the supplier is able to do so. Its supplier-side wording illustrates the lag that follows when the two are mixed.
A clean split is to state the price in two lines: a material line that follows an agreed index from a base month, and a conversion line that carries the annual reduction. The reduction then measures what the buyer asked for, which is productivity in making the part, and the metal clause measures what neither side controls. The separate question of how to write the metal clause is covered in its own guide on metal price adjustment, and the general release mechanics are in the blanket purchase order guide.
What can a mid-size supplier actually do to deliver a reduction?
It can shorten setups on a kept program, improve cycle time with proven tooling, cut scrap and material waste, and take part in value analysis with the buyer. A reduction that names none of these is being paid for by margin.
Each of those levers is real but limited. A kept program and proven fixtures shrink the setup term, and the effect is largest in the first year or two, then flattens. Cycle-time improvement from better toolpaths or tooling takes engineering time and a stable drawing. Scrap and yield improve with a stable material source and process control. Design changes that cut cost without changing fit, form or function are a buyer-supplier job, and the guide on value engineering for machined parts covers how to run one.
The sensible way to write the clause is to ask the supplier to list where it expects savings in each year and to agree a project list for the first period. Where a project needs money, such as a fixture or a gauge, the buyer can fund it and take the benefit through a lower price once the cost is recovered. The guide on NRE cost covers who should own what that money buys.
What should the clause say?
It should name the base price and its two parts, the reduction type and the dates it applies, the cases that reopen it, and the limits on how it can be met. No clause should set a percentage before the cost levers are known.
Use a short list. Base price and what it includes, split into material and conversion lines. The reduction mechanism, chosen from the table, and its start date. Basis for any volume step, with the baseline defined and counted the same way by both sides. A reopener for changes the supplier cannot control, such as a specification or drawing change, a large move in volume outside an agreed band, or a metal movement handled in the metal clause. A quality limit: the reduction may not be met by changes to the process or material that the buyer has not approved. A review step and a cure route, so a missed target starts a joint project instead of a price dispute. And the term and renewal rules, because a reduction that runs forever has no floor.
A sample sentence: "Seller shall present a productivity plan before each anniversary of the effective date and the conversion price shall be reduced by the amount agreed in that plan; if no amount is agreed, the parties shall review the price once, and the existing price shall continue until a change is signed." Have counsel review it against your governing law. For turned and milled parts, the process pages for CNC turning and CNC milling describe what the lead plant runs, and a quote request can carry the multi-year picture with the drawing through the quote form.
Frequently asked
Should an annual price reduction be a flat percentage?
Only if the buyer and supplier can name where the cost will fall. A flat step with no lever behind it is paid for by the supplier's margin, and the gap tends to show up as quality or service, or as a request to reopen the price.
Does a price reduction apply to the metal cost too?
It is cleaner if it does not. Let an index move the material line in both directions and apply the reduction to the conversion line, so the reduction measures productivity and not the metal market.
What if the supplier cannot meet the target?
Write a cure route: a joint review, a short project list and a date to check progress, with a price discussion only if the review fails. That is more productive than a penalty.
Can savings the supplier finds count toward the target?
Yes, and it is a good design. The public IntriCon exhibit lets supplier-identified savings count toward the annual reduction, which rewards the supplier for looking.
Is this legal advice?
No. The guide describes structures seen in public filings. Have counsel review the final wording against your governing law.
Sources
- Master Supply Agreement, Exhibit 10.1 to Form 10-Q, IntriCon Corporation, sections 3.1 to 3.2, U.S. Securities and Exchange Commission, filed November 8, 2019
- Autoliv, Inc. Form 10-K for fiscal year 2014, Item 1A, pricing pressures from customers, U.S. Securities and Exchange Commission, filed February 19, 2015
- Autoliv, Inc. Form 10-K for fiscal year 2022, Item 1A, pricing pressures and raw materials, U.S. Securities and Exchange Commission, filed February 16, 2023
- 17 CFR 229.601, Item 601 Exhibits (material contracts, paragraph (b)(10)), Legal Information Institute, Cornell Law School, accessed 2026