IRVINE, Calif.--(BUSINESS WIRE)--May 3, 2006--Allergan, Inc. (NYSE:AGN - News) today announced operating results for the first quarter ended March 31, 2006. Allergan also announced that its Board of Directors has declared a first quarter dividend of $0.10 per share, payable on June 13, 2006 to stockholders of record on May 19, 2006.