Array BioPharma to Report Financial Results for the Fourth Quarter and Full Year of Fiscal 2003 On August 4, 2003.

Business Editors

BOULDER, Colo.--(BUSINESS WIRE)--July 29, 2003

Array BioPharma Inc. (Nasdaq:ARRY) will report financial results for the fourth quarter and full year of fiscal 2003 on Monday, August 4, 2003, at 4:30 p.m. eastern time and hold a conference call on Tuesday, August 5, 2003, at 9:00 a.m. eastern time. Robert E. Conway, Chief Executive Officer, and Michael Carruthers, Chief Financial Officer, will lead the call.

CONFERENCE CALL INFORMATION
Date:             Tuesday, August 5, 2003
Time:             9:00 a.m. eastern time
Toll-Free:        [phone]
Toll:             [phone]
Pass Code:        121459
Web Cast:         www.arraybiopharma.com

There will be a replay of the conference call for one week, which can be accessed in the United States by dialing toll-free [phone], and outside the United States [phone]. The access code is 121459. Replay of the call will also be available as a web cast on Array's web site at www.arraybiopharma.com.

Array BioPharma is a drug discovery company creating new small molecule drugs through the integration of chemistry, biology and informatics. Our experienced scientists use an integrated set of drug discovery technologies, which we call the Array Discovery Platform, to invent small molecule drugs in collaboration with leading pharmaceutical and biotechnology companies and for our own pipeline of proprietary drug candidates. For more information on Array BioPharma, please visit our web site at www.arraybiopharma.com.