Press Release

Abbott Receives Complete Response Letter from FDA for Controlled-Release Hydrocodone with Acetaminophen

October 20, 2008

Abbott Park, Illinois — Abbott (NYSE: ABT) has received a Complete Response Letter from the U.S. Food and Drug Administration (FDA) for its New Drug Application (NDA) for a controlled-release form of hydrocodone with acetaminophen. Abbott is evaluating the FDA Complete Response Letter, will discuss the letter with the FDA, and will provide an update when appropriate.

Abbott is seeking the approval of controlled-release hydrocodone with acetaminophen as the first extended release medication in the class to provide extended relief over 12 hours; currently available short-acting hydrocodone and acetaminophen (HC/APAP) medications must be taken every four to six hours.

Abbott is confirming its earnings-per-share forecast for the fourth quarter and full-year 2008. In addition, the company continues to expect double-digit earnings-per-share growth in 2009.

About Abbott

Abbott (NYSE: ABT) is a global, broad-based health care company devoted to the discovery, development, manufacture and marketing of pharmaceuticals and medical products, including nutritionals, devices and diagnostics. The company employs more than 68,000 people and markets its products in more than 130 countries.