Articles

Biggest pharma combo becomes biggest bust

Rule changes by Treasury Department mean trouble for any U.S. companies attempting inversion deals in near term
Written byJeffrey Bouley
| 5 min read

NEW YORK & DUBLIN—Whether or not it was the intent of the U.S. Department of Treasury to scuttle the intended merger plans between Pfizer Inc. and Allergan plc with new rules about inversion deals—and, let’s be honest, that was likely a big goal of the Treasury Department—the deal is indeed now a dead one. It could also mean the death of hopes for other companies who want to do inversions, at least for some time until enterprising folks find the right loopholes.

We already reported the fact of the “Pfizergan” demise in our article “Pfizer ends plans to merge with Allergan,” noting that, first off, Pfizer and Allergan had planned to become the biggest phama of them all in a $160-billion merger and acquisition (M&A) deal that would, in part, have allowed U.S.-based Pfizer to reduce its tax burden by re-domiciling in Ireland. Instead, Pfizer ultimately called off the deal and gave Allergan $150 million to help pay for the Irish company's expenses and trouble.

The second big thing we noted in that article was that the Treasury Department had twice made rule changes for M&As that failed to dissuade Pfizer and Allergan and then, finally, on April 4, the Treasury Department and the U.S. Internal Revenue Service managed to spur Pfizer to kill the M&A plans when they issued temporary and proposed regulations to further reduce the benefits of and limit the number of corporate tax inversions, in part by addressing what is called earnings stripping.

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