2007 NEWS RELEASES

December 20, 2007

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL

December 20, 2007

HUMAN GENOME SCIENCES INITIATES SECOND RANDOMIZED PHASE 2 TRIAL OF HGS-ETR1 IN COMBINATION WITH CHEMOTHERAPY

December 20, 2007

HUMAN GENOME SCIENCES AND AEGERA THERAPEUTICS ANNOUNCE LICENSING AND COLLABORATION AGREEMENT ON NOVEL ANTI-CANCER DRUGS

December 18, 2007

NEW APPROACH TO TREATING ANTHRAX SIGNIFICANTLY IMPROVES SURVIVAL RATES IN PIVOTAL EFFICACY STUDIES

November 26, 2007

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

November 12, 2007

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

November 9, 2007

HUMAN GENOME SCIENCES REPORTS POSITIVE DATA FROM LONG-TERM TREATMENT WITH LYMPHOSTAT-B IN PATIENTS WITH ACTIVE SYSTEMIC LUPUS ERYTHEMATOSUS

November 9, 2007

HUMAN GENOME SCIENCES INVITES INVESTORS TO LISTEN TO WEBCAST OF PRESENTATION AT JMP SECURITIES SECTOR FOCUS CONFERENCE

November 5, 2007

HUMAN GENOME SCIENCES ANNOUNCES PRESENTATION AT AASLD OF RESULTS OF PHASE 2B TRIAL OF ALBUFERON® FOR CHRONIC HEPATITIS C

November 5, 2007

HUMAN GENOME SCIENCES ANNOUNCES FULL PRESENTATION OF QUALITY-OF- LIFE RESULTS FROM PHASE 2B TRIAL OF ALBUFERON® FOR HEPATITIS C

November 5, 2007

HUMAN GENOME SCIENCES PRESENTS RESULTS OF PHASE 2 TRIAL OF ALBUFERON® IN CHRONIC HEPATITIS C PATIENTS WHO FAILED TO RESPOND TO PREVIOUS THERAPY

November 1, 2007

HUMAN GENOME SCIENCES ANNOUNCES THIRD QUARTER 2007 FINANCIAL RESULTS AND KEY DEVELOPMENTS

November 1, 2007

HUMAN GENOME SCIENCES COMPLETES ENROLLMENT AHEAD OF SCHEDULE IN SECOND PHASE 3 ALBUFERON® TRIAL

October 24, 2007

HUMAN GENOME SCIENCES PRESENTS NEW DATA SHOWING ANTI-TUMOR ACTIVITY AND SAFETY OF TRAIL RECEPTOR ANTIBODIES IN COMBINATION WITH CHEMOTHERAPY

October 24, 2007

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS THIRD QUARTER 2007 FINANCIAL RESULTS

September 20, 2007

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

September 14, 2007

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

September 7, 2007

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

September 4, 2007

HUMAN GENOME SCIENCES INVITES INVESTORS TO LISTEN TO WEBCAST OF PRESENTATION AT BIOCENTURY-THOMSON FINANCIAL INVESTMENT CONFERENCE

August 31, 2007

HUMAN GENOME SCIENCES INVITES INVESTORS TO LISTEN TO WEBCAST OF PRESENTATION AT THOMAS WEISEL PARTNERS CONFERENCE

August 28, 2007

HUMAN GENOME SCIENCES ANNOUNCES $40 MILLION MILESTONE PAYMENT RELATED TO ALBUFERON® DEVELOPMENT

August 28, 2007

HUMAN GENOME SCIENCES COMPLETES ENROLLMENT OF FIRST PHASE 3 ALBUFERON® TRIAL AHEAD OF SCHEDULE

August 1, 2007

HUMAN GENOME SCIENCES ANNOUNCES SECOND QUARTER 2007 FINANCIAL RESULTS AND KEY DEVELOPMENTS

July 25, 2007

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS SECOND QUARTER 2007 FINANCIAL RESULTS

June 14, 2007

HUMAN GENOME SCIENCES REPORTS THAT A PHASE 2 STUDY OF LYMPHOSTAT-B® SHOWED SIGNIFICANT REDUCTIONS IN DISEASE ACTIVITY IN PATIENTS WITH ACTIVE SYSTEMIC LUPUS ERYTHEMATOSUS

June 7, 2007

HUMAN GENOME SCIENCES ANNOUNCES POSITIVE FINAL RESULTS OF PHASE 2B TRIAL OF ALBUFERON®

June 7, 2007

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

June 4, 2007

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

May 30, 2007

HUMAN GENOME SCIENCES AND GLAXOSMITHKLINE INITIATE SECOND PHASE 3 CLINICAL TRIAL OF LYMPHOSTAT-B®

May 24, 2007

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

May 18, 2007

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

May 17, 2007

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

May 11, 2007

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

May 9, 2007

HUMAN GENOME SCIENCES ANNOUNCES FIRST QUARTER 2007 FINANCIAL RESULTS AND KEY DEVELOPMENTS

May 1, 2007

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

April 27, 2007

HUMAN GENOME SCIENCES REPORTS GROWING EVIDENCE THAT ITS TRAIL RECEPTOR ANTIBODIES HAVE SIGNIFICANT POTENTIAL IN THE TREATMENT OF A BROAD RANGE OF CANCERS

April 14, 2007

HUMAN GENOME SCIENCES REPORTS POSITIVE INTERIM RESULTS OF PHASE 2B TRIAL OF ALBUFERON®

March 16, 2007

MEDIMMUNE LEASES HUMAN GENOME SCIENCES FACILITY TO EXPAND CELL CULTURE INFLUENZA VACCINE MANUFACTURING CAPABILITIES

March 15, 2007

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

March 9, 2007

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

March 3, 2007

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

February 27, 2007

HUMAN GENOME SCIENCES ANNOUNCES FINANCIAL RESULTS FOR 2006 AND PROGRESS TOWARD COMMERCIALIZATION

February 27, 2007

HUMAN GENOME SCIENCES INITIATES PHASE 3 CLINICAL TRIAL OF ALBUFERON® WITH RIBAVIRIN IN TREATMENT-NAÏVE PATIENTS WITH CHRONIC HEPATITIS C GENOTYPES 2 AND 3

February 27, 2007

HUMAN GENOME SCIENCES ANNOUNCES POSITIVE INTERIM RESULTS OF PHASE 2B TRIAL OF ALBUFERON® WITH RIBAVIRIN IN TREATMENT-NAÏVE PATIENTS WITH CHRONIC HEPATITIS C

February 21, 2007

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS FULL YEAR 2006 FINANCIAL RESULTS

February 13, 2007

HUMAN GENOME SCIENCES AND GLAXOSMITHKLINE ANNOUNCE INITIATION OF PHASE 3 CLINICAL TRIAL OF LYMPHOSTAT-B� IN SYSTEMIC LUPUS ERYTHEMATOSUS

February 2, 2007

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

January 26, 2007

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

January 8, 2007

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

January 8, 2007

HUMAN GENOME SCIENCES REPORTS SUBSTANTIAL PROGRESS TOWARD COMMERCIALIZATION AND ANNOUNCES 2007 GOALS AT JPMORGAN HEALTHCARE CONFERENCE