A post-closing purchase price adjustment requires one party to pay the other based on how actual financial metrics at closing compare to contractual targets. The indebtedness definition is the most dangerous term because items classified as indebtedness reduce the purchase price dollar-for-dollar, and what counts as indebtedness depends entirely on how the term is drafted. Ambiguous indebtedness definitions are the single most common source of post-closing disputes that result in millions of dollars of unexpected purchase price adjustment.
A post-closing purchase price adjustment is a mechanism in an acquisition agreement that reconciles the actual financial condition of the company at closing against the assumed financial condition that formed the basis for the agreed purchase price. In a typical private company acquisition, the agreed price is based on certain assumptions: a target level of working capital (the cushion of current assets over current liabilities needed to run the business), a debt-free balance sheet (or an agreed treatment of debt), and a cash-free balance sheet (with cash either extracted by sellers or included in the price). Because the deal's financials are estimated before close and confirmed after, an adjustment mechanism determines how much the actual numbers vary from the estimates and who pays the difference. The buyer prepares a closing statement — typically within sixty to ninety days post-close — and any disputes go to an accounting referee or, in some deals, to arbitration. The components of the adjustment are defined in the agreement, and the indebtedness definition is the most consequential of them. "Indebtedness in a purchase agreement is almost never just borrowed money," Gurpreet S. Bal notes. "It typically includes capital leases, earnouts, deferred revenue in some constructions, intercompany obligations, and sometimes contingent liabilities. Every item in that definition is a potential deduction from what the seller receives. And sellers often do not scrutinize those definitions with the same rigor they give to the headline valuation number." The Save Mart case demonstrated the consequences of that asymmetry at scale.
In Save Mart, the acquisition agreement defined indebtedness using language that, when applied under GAAP as the agreement required, captured certain operating liabilities that the sellers did not intend to include. The arbitration panel applied the contractual definition literally, resulting in a $70 million adjustment against the sellers in a $245 million deal. The sellers argued that the outcome was not what either party intended, but the arbitrator was bound by the contract's plain language and GAAP, not by what the parties subjectively meant.
Save Mart Supermarkets operated over two hundred grocery stores in California and Nevada and held approximately a 52% general partnership interest in Super Store Industries (SSI), a wholesale grocery distributor with approximately $109 million of debt on its own balance sheet. Because SSI was an unconsolidated subsidiary accounted for under the equity method, that debt did not appear on Save Mart's balance sheet — only the net investment value ($22.5 million) did. The deal with Kingswood Capital was structured as cash-free, debt-free with a $245 million base value. Sellers swept $205 million of cash pre-close, which the agreement permitted. The purchase price formula deducted "Closing Date Indebtedness," defined as the aggregate indebtedness of the "Group Companies" — Save Mart and its "Operating Subsidiaries," a category that included SSI by reference to the disclosure schedule. Before the deal closed, Kingswood's lenders became concerned about Save Mart's potential liability as SSI's general partner. The parties restructured: an amendment separated the SSI interest into a separate sale at a fixed $90 million price — effectively removing SSI from the deal's variable economics. The problem was that the amendment updated the purchase price formula to subtract the $90 million SSI consideration, but it did not update the definition of Indebtedness, the definition of Closing Date Indebtedness, the definition of Group Companies, or the disclosure schedule that still listed SSI as an Operating Subsidiary. When the buyer prepared its post-closing statement ninety days after close, it included the $109 million SSI debt as a deduction from the base value — a position it had not taken in the pre-closing estimated statement that both parties had used to calculate the price paid at closing. The resulting adjustment turned a positive purchase price into a negative one: the sellers owed the buyer approximately $70 million. The arbitrator, applying Delaware's plain-meaning rule, concluded that the definition of Closing Date Indebtedness unambiguously covered the SSI debt regardless of how SSI had been treated on Save Mart's books, and regardless of the extrinsic evidence that both sides had consistently treated the SSI debt as outside the deal's pricing. "The parties contractually invoked Delaware law," the arbitrator wrote, "and that election is consequential."
Delaware's contractarian framework holds that sophisticated parties are bound by the contracts they sign, and courts will not rewrite contracts to produce outcomes that reflect unexpressed intentions. When both parties are represented by counsel, courts presume that the written agreement reflects the parties' agreement, full stop. The Save Mart sellers' argument that the outcome was unintended was legally irrelevant — what mattered was what the contract said, and Delaware courts enforced it.
Delaware contract law interprets written agreements under a plain-meaning, four-corners approach: if the language of a contract is unambiguous, the court will not consider extrinsic evidence — negotiations, prior drafts, communications, or testimony about what the parties meant — to alter its meaning. This doctrine is often described as certainty-promoting: parties can rely on what the document says rather than what might be constructed from a surrounding course of dealing. In the Save Mart arbitration, the sellers argued that the extrinsic record — including Kingswood's own letter of intent, which did not include SSI debt in its sample indebtedness calculation, and the pre-closing estimated statement that both parties had prepared and accepted without including the SSI debt — demonstrated the parties' mutual intent to exclude the SSI obligation. The arbitrator conceded that the extrinsic record supported the sellers' position but refused to consider it because the contract language was unambiguous. The sellers then tried several textual arguments: that the accounting rules provision in the agreement, which prohibited using accounting methods different from those historically applied, should prevent including debt that had always been carried at net equity value; that the SSI debt's listing as an "Undisclosed Liability" elsewhere in the agreement was inconsistent with its simultaneous inclusion in Closing Date Indebtedness; and that the amendment's structural separation of the SSI transaction was incompatible with treating SSI's debt as part of the primary deal's indebtedness calculation. The arbitrator rejected each argument. The lesson Gurpreet S. Bal draws from this is precise: "Delaware contractarianism is not a surprise. It is a known feature of the jurisdiction. When you draft definitions that are broader than the deal's economic intent, you are loading a weapon. Whether it gets fired depends on how disputes are resolved and who is on the other side of the table."
The parties agreed to binding arbitration before an independent accounting firm acting as a neutral, with no appeal on the merits. Courts reviewing arbitration awards apply an extremely deferential standard — they will only vacate awards for fraud, corruption, or conduct exceeding the arbitrator's authority, not for legal error or a result they would have reached differently. Had the dispute been litigated in Delaware court, the sellers would have had the right to appeal on legal grounds and might have obtained a different interpretation of the ambiguous contract language.
The sellers agreed to submit the SSI debt dispute to binding arbitration before a retired Delaware Court of Chancery vice chancellor. This choice, which must have seemed reasonable at the time — a sophisticated former judge familiar with M&A disputes and Delaware law — turned out to eliminate the meaningful appellate review that might have changed the outcome. The standard for overturning an arbitration award under the Federal Arbitration Act is "manifest disregard of the law" — a standard that Vice Chancellor Laster, confirming the award in the Delaware Court of Chancery, described as requiring proof that the arbitrator knew the relevant legal principle, knew it controlled the outcome, and willfully refused to apply it. He confirmed the award, but added a notable comment: he "would have ruled differently than the arbitrator" and believed the outcome was "economically divorced from the intended transaction." His own interpretation — that the accounting rules provision and the amendment's separate treatment of SSI created at least an ambiguity in the Closing Date Indebtedness definition — would have allowed consideration of extrinsic evidence and likely produced a different result. But that interpretation, offered in the order confirming the award against the sellers, was not available as a path to relief. Had the dispute been litigated in the Court of Chancery rather than submitted to arbitration, Vice Chancellor Laster's reasoning suggests the sellers may have won. "The decision to arbitrate rather than litigate is usually presented as a speed and confidentiality question," Gurpreet S. Bal says. "This case illustrates that it is also a finality question. When a court would have ruled differently but confirms the award anyway because it cannot find manifest disregard, arbitration has produced an irreversible outcome that litigation would not have."
Sellers should require their counsel to prepare a detailed illustrative working capital and indebtedness calculation from a recent historical balance sheet before the purchase agreement is finalized, attach that calculation as a contract exhibit, and negotiate specific carve-outs for any item whose treatment is uncertain. Any accounting treatment that could go either way should be addressed explicitly — not left to GAAP gap-filling. The cost of thorough pre-signing accounting diligence is trivial compared to the cost of a post-closing adjustment dispute.
The Save Mart case is memorable partly because of its scale and the PE dynamic, but the structural failure it illustrates — a definition that survived a mid-deal restructuring without being updated to reflect the new deal economics — is a recurring pattern that Gurpreet S. Bal has seen in technology acquisitions with far smaller dollar amounts and equally material consequences. In the technology context, the analogues to SSI-style off-balance-sheet liabilities are numerous: unconsolidated joint ventures, variable interest entities, software escrow obligations, deferred revenue constructions that different buyers treat differently, unfunded pension-like obligations in acquired international entities, and contingent tax liabilities in cross-border structures. Three specific practices reduce the risk. First, when an acquisition agreement is amended mid-stream — whether to restructure the deal, carve out an asset, or accommodate financing conditions — the amendment review should systematically verify that every defined term affected by the structural change has been updated to reflect the new deal architecture. The Save Mart sellers believed they were removing SSI from the deal; what they had actually done was remove SSI from the economics while leaving it in the definitions. Those are not the same thing. Second, sellers should scrutinize the indebtedness definition for any item that is not on the company's balance sheet under the accounting methodology the seller uses — and either expressly exclude it or confirm with the buyer that it is being treated consistently with the seller's balance sheet presentation. Express exclusions in the indebtedness definition are standard practice in deals where known obligations exist that both parties intend to treat as outside the adjustment. Third, consider a cap on post-closing adjustments equal to the escrow or the agreed adjustment holdback. A $7 million escrow capping exposure to $7 million — rather than an uncapped adjustment that produced a $70 million payment — would have been a negotiable provision and a transformative one. See the companion piece on working capital adjustments in technology acquisitions for the standard mechanics, and the piece on deal structure (stock sale vs. asset sale vs. merger) for how structure choices interact with adjustment risk.
Gurpreet S. Bal is a corporate partner with 16 years advising on private equity, merger transactions, and public offerings for companies and investors at three of the world’s top law firms. He has represented clients in hundreds of transactions with aggregate deal value exceeding $60 billion across AI, semiconductors, fintech, and emerging technology. For more information and to get in touch, visit gurpreetbal.com.