IMPAX to Present at CIBC World Markets Annual Healthcare Conference

November 4, 2003

HAYWARD, Calif., Nov 4, 2003 (BUSINESS WIRE) -- IMPAX Laboratories, Inc. (Nasdaq:IPXL) today announced that management will present at the CIBC World Markets 14th Annual Healthcare Conference on Wednesday, November 12, 2003, at 2:30 p.m. ET. The conference will take place at the Plaza Hotel in New York from November 10 to November 12, 2003.

Individuals may listen to both the live and archived webcast of the presentation through Friday, December 12, 2003, at 8:00 p.m. ET, at the following address: www.veracast.com/webcasts/cibcwm/healthcare03/47312258.cfm. In addition, a link to the live and archived presentation will be posted in the investor relations section of the Company's web site at www.impaxlabs.com.

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 intends to market 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.

"Safe Harbor" statement under the Private Securities Litigation Reform Act of 1995:

To the extent any statements made in this news release contain information that is not historical, these statements are forward-looking in nature and express the beliefs, expectations or opinions of management. Such statements are based on current expectations and involve a number of known and unknown risks and uncertainties that could cause IMPAX's future results, performance or achievements to differ significantly from the results, performance or achievements expressed or implied by such forward-looking statements. Such risks and uncertainties include, but are not limited to, IMPAX's ability to obtain sufficient capital to fund its operations, the difficulty of predicting FDA filings and approvals, consumer acceptance and demand for new pharmaceutical products, the impact of competitive products and pricing, IMPAX's ability to successfully develop and commercialize pharmaceutical products, IMPAX's reliance on key strategic alliances, the uncertainty of patent litigation, the availability of raw materials, the regulatory environment, dependence on patent and other protection for innovative products, exposure to product liability claims, fluctuations in operating results and other risks detailed from time to time in IMPAX's filings with the Securities and Exchange Commission. Forward-looking statements speak only as to the date on which they are made, and IMPAX undertakes no obligation to update publicly or revise any forward-looking statement, regardless of whether new information becomes available, future developments occur or otherwise.

SOURCE: IMPAX Laboratories, Inc.

IMPAX Laboratories, Inc.
Barry R. Edwards, Co-CEO, 215-289-2220 Ext. 1771
Larry Hsu, Ph.D. President, 510-476-2000 Ext. 1111
Cornel C. Spiegler, CFO, 215-289-2220 Ext. 1706
www.impaxlabs.com
or
Investor Relations Contacts:
Lippert/Heilshorn & Associates, Inc.
Kim Sutton Golodetz (kgolodetz@lhai.com)
212-838-3777
Bruce Voss (bvoss@lhai.com)
310-691-7100
www.lhai.com
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