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Material Adverse Change (MACs)

Step-by-Step Guide to Understanding Material Adverse Change Clauses in M&A

Last Updated November 30, 2023

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Introduction to Material Adverse Changes (MACs)

In our guide to mergers & acquisitions, we saw that when Microsoft acquired LinkedIn on June 13, 2016, it included a $725 million break-up fee that LinkedIn would owe Microsoft if LinkedIn changed its mind prior to the closing date.

Notice that the protection given to Microsoft via the breakup fee is one-directional — there are no breakup fees owed to LinkedIn should Microsoft walk away. That’s because the risk that Microsoft will walk away is lower. Unlike LinkedIn, Microsoft doesn’t need to get shareholder approval. A common source of risk for sellers in M&A, especially when the buyer is a private equity buyer, is the risk that buyer can’t secure financing. Microsoft has ample cash, so securing financing isn’t an issue.

That’s not always the case, and sellers often protect themselves with reverse termination fees.

However, that doesn’t mean Microsoft can simply walk away for no reason. At the deal announcement, the buyer and seller both sign the merger agreement, which is a binding contract for both the buyer and seller. If the buyer walks away, the seller will sue.

So are there any circumstances in which the buyer can walk away from the deal? The answer is yes. … kind of.

The ABCs of MACs: Role of MAC Clauses in M&A

In an effort to protect themselves against unforeseen changes to the target’s business during the gap period, virtually all buyers will include a clause in the merger agreement called the material adverse change (MAC) or material adverse effect (MAE). The MAC clause gives the buyer the right to terminate the agreement if the target experiences a material adverse change to the business.

Unfortunately, what constitutes a material adverse change is not clear cut. According to Latham & Watkins, courts litigating MAC claims focus on whether there is substantial threat to overall earnings (or EBITDA) potential relative to past performance, not projections. The threat to EBITDA is typically measured using long-term perspective (years, not months) of a reasonable buyer, and the buyer bears the burden of proof.

Unless the circumstances that trigger a MAC are very well defined, courts generally are loath to allow acquirers to back out of a deal via a MAC argument. That said, acquirers still like to include a MAC clause to improve their bargaining position with a litigation threat should problems with the target emerge post announcement.

Real-World M&A Example of MACs

As one might imagine, during the financial meltdown in 2007-8, many acquirers tried to back out of deals in which the targets were melting down using the MAC clause. These attempts were largely denied by the courts, with Hexion’s acquisition of Huntsman being a good example.

Hexion tried to back out of the deal by claiming a material adverse change. The claim didn’t hold up in court and Hexion was forced to compensate Huntsman handsomely.

Exclusions in MACs

MACs are heavily negotiated and are usually structured with a list of exclusions that don’t qualify as material adverse changes. Perhaps the largest difference between a buyer-friendly and seller-friendly MAC is that the seller friendly MAC will carve out a large number of detailed exceptions of events that do NOT qualify as a material adverse change.

For example, the exclusions (events that explicitly won’t count as triggering a MAC) in the LinkedIn deal (p.4-5 of the merger agreement) include:

  • Changes in general economic conditions
  • Changes in conditions in the financial markets, credit markets or capital markets
  • General changes in conditions in the industries in which the Company and its Subsidiaries conduct business, changes in regulatory, legislative or political conditions
  • Any geopolitical conditions, outbreak of hostilities, acts of war, sabotage, terrorism or military actions
  • Earthquakes, hurricanes, tsunamis, tornadoes, floods, mudslides, wild fires or other natural disasters, weather conditions
  • Changes or proposed changes in GAAP
  • Changes in the price or trading volume of the Company common stock
  • Any failure, in and of itself, by the Company and its Subsidiaries to meet (A) any public estimates or expectations of the Company’s revenue, earnings or other financial performance or results of operations for any period
  • Any transaction litigation

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