2008 NEWS RELEASES

December 18, 2008

FYI FROM HUMAN GENOME SCIENCES: GSK INITIATES DARAPLADIB PHASE 3 DEVELOPMENT PROGRAM

December 8, 2008

HUMAN GENOME SCIENCES ANNOUNCES ALBUFERON® MEETS PRIMARY ENDPOINT IN PHASE 3 TRIAL IN CHRONIC HEPATITIS C

December 8, 2008

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL

November 26, 2008

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

November 17, 2008

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

November 7, 2008

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

November 6, 2008

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

October 30, 2008

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

October 3, 2008

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

September 18, 2008

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

September 8, 2008

HUMAN GENOME SCIENCES INVITES INVESTORS TO LISTEN TO WEBCAST OF PRESENTATION AT ROBERT W. BAIRD CONFERENCE

September 4, 2008

HUMAN GENOME SCIENCES ANNOUNCES PROCESS DEVELOPMENT AND MANUFACTURING ALLIANCE WITH HOSPIRA

September 2, 2008

HUMAN GENOME SCIENCES REPORTS INITIAL RESULTS OF RANDOMIZED PHASE 2 TRIAL OF HGS-ETR1 IN COMBINATION WITH BORTEZOMIB IN ADVANCED MULTIPLE MYELOMA

September 2, 2008

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

August 27, 2008

HUMAN GENOME SCIENCES COMPLETES ENROLLMENT IN SECOND PHASE 3 LYMPHOSTAT-B® TRIAL

August 22, 2008

HUMAN GENOME SCIENCES COMPLETES ENROLLMENT IN RANDOMIZED PHASE 2 TRIAL OF HGS-ETR1 IN NON-SMALL CELL LUNG CANCER

July 30, 2008

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

July 24, 2008

HUMAN GENOME SCIENCES APPOINTS DAVID P. SOUTHWELL TO ITS BOARD OF DIRECTORS

July 23, 2008

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

June 12, 2008

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

June 9, 2008

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

May 30, 2008

HUMAN GENOME SCIENCES INITIATES FIRST CLINICAL TRIAL OF LEAD IAP INHIBITOR HGS1029 IN ADVANCED SOLID TUMORS

May 28, 2008

HUMAN GENOME SCIENCES REPORTS PROGRESS WITH LATE-STAGE PRODUCTS AND NEW INITIATIVES

May 21, 2008

HUMAN GENOME SCIENCES INVITES INVESTORS TO LISTEN TO WEBCAST OF PRESENTATIONS AT ANALYST & INVESTOR MEETING

May 16, 2008

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

May 15, 2008

HUMAN GENOME SCIENCES NAMES KEVIN P. MCRAITH VICE PRESIDENT, HEPATOLOGY FRANCHISE

May 8, 2008

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

May 5, 2008

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

April 28, 2008

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

April 22, 2008

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

April 16, 2008

HUMAN GENOME SCIENCES ADVANCES ONCOLOGY PORTFOLIO

April 16, 2008

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL

March 14, 2008

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

March 14, 2008

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

March 3, 2008

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

February 25, 2008

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

February 21, 2008

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

February 19, 2008

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

February 7, 2008

HUMAN GENOME SCIENCES AND XENCOR ANNOUNCE ANTIBODY COLLABORATION

February 4, 2008

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

January 23, 2008

HUMAN GENOME SCIENCES MODIFIES DOSING IN ACHIEVE TRIALS OF ALBUFERON®

January 23, 2008

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL

January 7, 2008

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

January 4, 2008

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