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	<title>Definition:Material adverse change - Revision history</title>
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	<updated>2026-06-14T19:10:58Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<title>PlumBot: Bot: Creating new article from JSON</title>
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		<summary type="html">&lt;p&gt;Bot: Creating new article from JSON&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;⚠️ &amp;#039;&amp;#039;&amp;#039;Material adverse change&amp;#039;&amp;#039;&amp;#039; is a concept embedded in insurance [[Definition:Mergers and acquisitions (M&amp;amp;A) | M&amp;amp;A]] agreements — and, separately, in certain [[Definition:Reinsurance | reinsurance]] and [[Definition:Insurance policy | policy]] contracts — that defines a significant deterioration in the financial condition, operations, or prospects of a target company or a covered risk, entitling the affected party to specific contractual remedies such as termination, price adjustment, or coverage modification. In the acquisition context, the term is typically formalized as a [[Definition:Material adverse change (MAC) | MAC clause]] within the [[Definition:Share purchase agreement (SPA) | share purchase agreement]], giving the buyer a right to walk away from a transaction if the target insurance company suffers a qualifying decline between signing and [[Definition:Completion | completion]].&lt;br /&gt;
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🔄 The practical operation of a material adverse change provision depends heavily on its drafting. Buyers push for broad definitions that capture any significant downturn — a major [[Definition:Catastrophe loss | catastrophe loss]], a sudden increase in [[Definition:Loss reserves | reserves]], a [[Definition:Regulatory action | regulatory enforcement action]], or a [[Definition:Downgrade | credit rating downgrade]] — while sellers negotiate carve-outs for events affecting the insurance industry generally, changes in law or regulation, or macroeconomic conditions like interest rate movements. In insurance transactions, carve-outs for general [[Definition:Insurance market cycle | market cycle]] deterioration or industry-wide [[Definition:Catastrophe event | catastrophe losses]] are standard, meaning a MAC is typically invoked only when the target is disproportionately affected relative to its peers. Across jurisdictions, courts have set a high bar for MAC claims: in the United States, Delaware case law has established that a MAC must represent a durationally significant decline, not a short-term blip — a standard that has influenced deal drafting globally.&lt;br /&gt;
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📌 The importance of a well-crafted material adverse change provision crystallizes in periods of heightened uncertainty — following a major natural catastrophe season, during a pandemic, or amid a financial crisis. For insurance targets, where the balance sheet is uniquely sensitive to event-driven shocks and reserve revisions, the MAC clause functions as the buyer&amp;#039;s principal safety valve during the gap between signing and closing. It interacts directly with the [[Definition:Longstop date | longstop date]]: a buyer locked into a lengthy regulatory approval process may face mounting anxiety about the target&amp;#039;s exposure to interim losses, and the MAC clause determines whether relief is available. In European insurance deals governed by [[Definition:Solvency II | Solvency II]], a material adverse change might also implicate regulatory capital adequacy, since a target whose [[Definition:Solvency capital requirement (SCR) | SCR]] coverage ratio falls sharply may face supervisory intervention that fundamentally alters the deal&amp;#039;s economics.&lt;br /&gt;
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&amp;#039;&amp;#039;&amp;#039;Related concepts:&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
{{Div col|colwidth=20em}}&lt;br /&gt;
* [[Definition:Material adverse change (MAC)]]&lt;br /&gt;
* [[Definition:Share purchase agreement (SPA)]]&lt;br /&gt;
* [[Definition:Longstop date]]&lt;br /&gt;
* [[Definition:Conditions precedent]]&lt;br /&gt;
* [[Definition:Warranty]]&lt;br /&gt;
* [[Definition:Locked box mechanism]]&lt;br /&gt;
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		<author><name>PlumBot</name></author>
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