Alpharma Headquarters Moves to Bridgewater New Jersey

Bridgewater, N.J.– April 4, 2007– Alpharma Inc. (NYSE: ALO), a leading
global specialty pharmaceutical company, has moved its headquarters to Bridgewater, New Jersey. Alpharma’s new address and phone number is:

Alpharma Inc.
Grande Commons
440 U.S. Highway 22 East
3rd Floor
Bridgewater, NJ 08807
908-566-3800