2008 NEWS RELEASES

HUMAN GENOME SCIENCES APPOINTS JOHN L. LAMATTINA, PH.D., TO ITS BOARD OF DIRECTORS

HUMAN GENOME SCIENCES ANNOUNCES FIRST QUARTER 2008 FINANCIAL RESULTS AND KEY DEVELOPMENTS

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS FIRST QUARTER 2008 FINANCIAL RESULTS

HUMAN GENOME SCIENCES COMPLETES ENROLLMENT IN FIRST OF TWO PHASE 3 LYMPHOSTAT-B® TRIALS

HUMAN GENOME SCIENCES ADVANCES ONCOLOGY PORTFOLIO

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL

HUMAN GENOME SCIENCES INVITES INVESTORS TO LISTEN TO WEBCAST OF PRESENTATION AT LEHMAN BROTHERS CONFERENCE

HUMAN GENOME SCIENCES INVITES INVESTORS TO LISTEN TO WEBCAST OF PRESENTATION AT COWEN CONFERENCE

HUMAN GENOME SCIENCES INVITES INVESTORS TO LISTEN TO WEBCAST OF PRESENTATION AT SUSQUEHANNA HEALTHCARE CONFERENCE

HUMAN GENOME SCIENCES ANNOUNCES FOURTH QUARTER AND FULL YEAR 2007 FINANCIAL RESULTS AND RECENT PROGRESS

HUMAN GENOME SCIENCES APPOINTS MAXINE GOWEN, PH.D., TO ITS BOARD OF DIRECTORS

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS FULL YEAR 2007 FINANCIAL RESULTS

HUMAN GENOME SCIENCES AND XENCOR ANNOUNCE ANTIBODY COLLABORATION

HUMAN GENOME SCIENCES INVITES INVESTORS TO LISTEN TO WEBCAST OF PRESENTATION AT MERRILL LYNCH CONFERENCE

HUMAN GENOME SCIENCES MODIFIES DOSING IN ACHIEVE TRIALS OF ALBUFERON®

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL

HUMAN GENOME SCIENCES ANNOUNCES 2008 GOALS AND REPORTS SUBSTANTIAL PROGRESS TOWARD COMMERCIALIZATION AT JPMORGAN HEALTHCARE CONFERENCE

HUMAN GENOME SCIENCES INVITES INVESTORS TO LISTEN TO WEBCAST OF PRESENTATION AT JPMORGAN CONFERENCE

©2008 Human Genome Sciences, Inc.

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