Allergan CEO David Pyott was ranked the fourth best-performing CEO in the world by Harvard Business Review.

He was one of 832 CEOs from 30 countries who qualified.

Harvard Business Review's list was based on the track records of the CEOs of the S&P Global 1200 who assumed their role between 1995 and April 30, 2012. The criteria included industry-adjusted shareholder returns, country-adjusted shareholder returns, and increase in market capitalization.

Since David Pyott became Allergan's CEO in 1998, the company's increase in market capitalization has exceeded US$50 billion.

For further information: http://agn.client.shareholder.com/releasedetail.cfm?ReleaseID=876268