Human Genome Sciences

2009 NEWS RELEASES

July 1, 2009

HUMAN GENOME SCIENCES TO HOST JULY 20 CONFERENCE CALL TO DISCUSS TOP-LINE PHASE 3 RESULTS FOR BENLYSTA™ (FORMERLY LYMPHOSTAT-B®) IN SYSTEMIC LUPUS ERYTHEMATOSUS

June 19, 2009

HUMAN GENOME SCIENCES ANNOUNCES COMPLETION OF ENROLLMENT IN PHASE 2B MONTHLY-DOSING TRIAL OF ALBUFERON®

June 19, 2009

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

June 11, 2009

HUMAN GENOME SCIENCES REPORTS POSITIVE LONG-TERM DATA FOR BENLYSTA™ (FORMERLY LYMPHOSTAT-B®) IN PATIENTS WITH ACTIVE SYSTEMIC LUPUS ERYTHEMATOSUS

June 8, 2009

FYI FROM HUMAN GENOME SCIENCES: GLAXOSMITHKLINE STUDY SHOWS GSK’S NOVEL DIABETES TREATMENT SYNCRIA® (ALBIGLUTIDE) IMPROVES GLUCOSE CONTROL, REDUCES WEIGHT

May 21, 2009

HUMAN GENOME SCIENCES SUBMITS BIOLOGICS LICENSE APPLICATION TO FDA FOR ABTHRAX™

May 7, 2009

HUMAN GENOME SCIENCES AND NOVOZYMES ANNOUNCE AMENDMENT TO ALBUMIN FUSION LICENSE AGREEMENT

April 29, 2009

HUMAN GENOME SCIENCES ANNOUNCES FIRST QUARTER 2009 FINANCIAL RESULTS AND KEY DEVELOPMENTS

April 25, 2009

HUMAN GENOME SCIENCES REPORTS POSITIVE LATE-BREAKER RESULTS AT EASL FROM ACHIEVE PHASE 3 TRIALS OF ALBUFERON® IN PATIENTS WITH CHRONIC HEPATITIS C

April 22, 2009

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS FIRST QUARTER 2009 FINANCIAL RESULTS

March 27, 2009

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

March 25, 2009

HUMAN GENOME SCIENCES AND MORPHOTEK®, INC. ANNOUNCE COLLABORATION TO DISCOVER, DEVELOP AND COMMERCIALIZE ANTIBODIES FOR ONCOLOGY AND IMMUNOLOGY

March 13, 2009

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

March 9, 2009

HUMAN GENOME SCIENCES ANNOUNCES POSITIVE RESULTS IN SECOND OF TWO PHASE 3 TRIALS OF ALBUFERON® IN CHRONIC HEPATITIS C

March 9, 2009

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL

February 26, 2009

HUMAN GENOME SCIENCES ANNOUNCES FOURTH-QUARTER AND FULL-YEAR 2008 FINANCIAL RESULTS AND KEY DEVELOPMENTS

February 18, 2009

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS FULL YEAR 2008 FINANCIAL RESULTS

February 17, 2009

HUMAN GENOME SCIENCES TO RECEIVE $9 MILLION MILESTONE PAYMENT RELATED TO GLAXOSMITHKLINE INITIATION OF PHASE 3 CLINICAL TRIAL OF SYNCRIA® IN TYPE 2 DIABETES

February 2, 2009

HUMAN GENOME SCIENCES BEGINS DELIVERY OF FIRST-IN-CLASS ANTHRAX TREATMENT TO U.S. STRATEGIC NATIONAL STOCKPILE

January 12, 2009

HUMAN GENOME SCIENCES REPORTS SUBSTANTIAL PROGRESS TOWARD COMMERCIALIZATION AND ANNOUNCES 2009 GOALS AT JPMORGAN HEALTHCARE CONFERENCE

January 12, 2009

HUMAN GENOME SCIENCES ANNOUNCES INITIATION OF PHASE 2B TRIAL OF ALBUFERON® DOSED MONTHLY IN CHRONIC HEPATITIS C

January 9, 2009

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