IMPAX to Present at the Citigroup 2007 Healthcare Conference

May 16, 2007

HAYWARD, Calif.--(BUSINESS WIRE)--May 16, 2007--IMPAX Laboratories, Inc. (OTC:IPXL) today announced that Arthur A. Koch, Jr., its senior vice president and chief financial officer, will present at the Citigroup 2007 Healthcare Conference on Wednesday, May 23rd at 11:00 am Eastern Time. The conference will be held at the Hilton Hotel in New York City from May 22 - May 24.

Individuals may listen to the live or an archived version of the presentation made at the conference, which will be posted in the investor relations section of the Company's web site at www.impaxlabs.com. To listen to the live presentation, please go to the web site 15 minutes prior to its start to register, download, and install the necessary audio software. This presentation will be archived on the Company's web site for 30 days. The Company's regular Corporate presentation will be updated and posted on the Company's web site on that date as well.

About IMPAX Laboratories, Inc.

IMPAX Laboratories, Inc. is a technology based specialty pharmaceutical company applying its formulation expertise and drug delivery technology to the development of controlled-release and specialty generics in addition to the development of branded products. IMPAX markets its generic products through its Global Pharmaceuticals division and markets its branded products through the IMPAX Pharmaceuticals division. Additionally, where strategically appropriate, IMPAX has developed marketing partnerships to fully leverage its technology platform. IMPAX Laboratories is headquartered in Hayward, California, and has a full range of capabilities in its Hayward and Philadelphia facilities. For more information, please visit the Company's Web site at: www.impaxlabs.com.

CONTACT: Company Contacts:
IMPAX Laboratories, Inc.
Larry Hsu, Ph.D. President & CEO, 510-476-2000, Ext. 1111
Arthur A. Koch, Jr., Sr. VP & CFO, 215-933-0351
www.impaxlabs.com
or
Investor Relations Contacts:
Lippert/Heilshorn & Associates, Inc.
Kim Sutton Golodetz, 212-838-3777
kgolodetz@lhai.com
Bruce Voss, 310-691-7100
bvoss@lhai.com
www.lhai.com

SOURCE: IMPAX Laboratories, Inc.