2006 NEWS RELEASES

December 19, 2006

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

November 27, 2006

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

November 14, 2006

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

November 14, 2006

HUMAN GENOME SCIENCES ANNOUNCES POSITIVE 76-WEEK RESULTS OF PHASE 2 CLINICAL TRIAL OF LYMPHOSTAT-B IN SYSTEMIC LUPUS ERYTHEMATOSUS

November 8, 2006

HUMAN GENOME SCIENCES ANNOUNCES FINANCIAL RESULTS FOR THE THIRD QUARTER OF 2006

November 8, 2006

HUMAN GENOME SCIENCES REPORTS INTERIM RESULTS OF PHASE 1B CLINICAL TRIAL OF HGS-ETR1 WITH GEMCITABINE AND CISPLATIN IN PATIENTS WITH ADVANCED SOLID TUMORS

November 1, 2006

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS THIRD QUARTER 2006 FINANCIAL RESULTS

October 31, 2006

HUMAN GENOME SCIENCES REPORTS POSITIVE INTERIM RESULTS OF PHASE 2 TRIALS OF ALBUFERON WITH RIBAVIRIN IN PATIENTS WITH CHRONIC HEPATITIS C

October 26, 2006

HUMAN GENOME SCIENCES ANNOUNCES POSITIVE SPECIAL PROTOCOL ASSESSMENT FROM FDA FOR PHASE 3 CLINICAL TRIALS OF LYMPHOSTAT-B IN SYSTEMIC LUPUS ERYTHEMATOSUS

October 19, 2006

HUMAN GENOME SCIENCES APPOINTS KEVIN STARR TO ITS BOARD OF DIRECTORS

October 16, 2006

HUMAN GENOME SCIENCES REPORTS POSITIVE INTERIM QUALITY-OF-LIFE DATA FROM PHASE 2B TRIAL OF ALBUFERON® WITH RIBAVIRIN IN TREATMENT-NAÏVE HEPATITIS C PATIENTS

October 4, 2006

HUMAN GENOME SCIENCES REPORTS SIGNIFICANT PROGRESS AND OUTLINES ITS NEXT STEPS ON THE PATH TO COMMERCIALIZATION

October 4, 2006

HUMAN GENOME SCIENCES ANNOUNCES PHASE 3 CLINICAL DEVELOPMENT PROGRAM FOR ALBUFERON IN CHRONIC HEPATITIS C

September 29, 2006

HUMAN GENOME SCIENCES REPORTS POSITIVE RESULTS OF PHASE 1 CLINICAL TRIAL OF CCR5 MAB IN PATIENTS INFECTED WITH HIV-1

September 27, 2006

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

September 21, 2006

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

September 13, 2006

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

September 7, 2006

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

August 30, 2006

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

August 29, 2006

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

August 9, 2006

HUMAN GENOME SCIENCES ANNOUNCES FINANCIAL RESULTS FOR THE SECOND QUARTER OF 2006

August 9, 2006

HUMAN GENOME SCIENCES ANNOUNCES PHASE 3 CLINICAL DEVELOPMENT PROGRAM FOR LYMPHOSTAT-B IN SYSTEMIC LUPUS ERYTHEMATOSUS

August 3, 2006

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS SECOND QUARTER 2006 FINANCIAL RESULTS

July 20, 2006

HUMAN GENOME SCIENCES INITIATES RANDOMIZED PHASE 2 CLINICAL TRIAL OF HGS-ETR1 IN COMBINATION WITH BORTEZOMIB

July 10, 2006

HUMAN GENOME SCIENCES NAMES TIMOTHY C. BARABE SENIOR VICE PRESIDENT AND CHIEF FINANCIAL OFFICER

June 22, 2006

HUMAN GENOME SCIENCES ANNOUNCES FULL PRESENTATION OF RESULTS OF PHASE 2 CLINICAL TRIAL OF LYMPHOSTAT-B IN SYSTEMIC LUPUS ERYTHEMATOSUS

June 20, 2006

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS U.S. GOVERNMENT AGREEMENT TO PURCHASE ABTHRAX FOR THE STRATEGIC NATIONAL STOCKPILE

June 20, 2006

U.S. GOVERNMENT AGREES TO PURCHASE ABTHRAX FROM HUMAN GENOME SCIENCES FOR THE STRATEGIC NATIONAL STOCKPILE

June 12, 2006

HUMAN GENOME SCIENCES COMPLETES TRANSACTION ESTABLISHING COGENESYS AS AN INDEPENDENT COMPANY

June 12, 2006

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

June 9, 2006

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

June 6, 2006

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS COLLABORATION WITH NOVARTIS FOR DEVELOPMENT AND COMMERCIALIZATION OF ALBUFERON

June 6, 2006

HUMAN GENOME SCIENCES ANNOUNCES COLLABORATION WITH NOVARTIS FOR DEVELOPMENT AND COMMERCIALIZATION OF ALBUFERON

June 2, 2006

HUMAN GENOME SCIENCES NAMES MARGERY B. FISCHBEIN VICE PRESIDENT, BUSINESS DEVELOPMENT & STRATEGIC PLANNING

May 12, 2006

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

May 10, 2006

HUMAN GENOME SCIENCES ANNOUNCES RESULTS FOR FIRST QUARTER OF 2006

May 5, 2006

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

May 2, 2006

HUMAN GENOME SCIENCES FACILITIES TRANSACTIONS TO GENERATE $380 MILLION IN ADDITIONAL CASH AVAILABLE FOR OPERATIONS

May 1, 2006

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

May 1, 2006

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

March 14, 2006

HUMAN GENOME SCIENCES TO SPONSOR CONFERENCE CALL TO DISCUSS INTERIM RESULTS OF TWO PHASE 2 TRIALS OF ALBUFERON

March 14, 2006

HUMAN GENOME SCIENCES REPORTS POSITIVE INTERIM RESULTS OF PHASE 2 TRIAL OF ALBUFERON IN COMBINATION WITH RIBAVIRIN IN TREATMENT-EXPERIENCED PATIENTS WITH CHRONIC HEPATITIS C

March 14, 2006

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

March 10, 2006

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

March 6, 2006

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

February 22, 2006

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

February 10, 2006

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

February 9, 2006

HUMAN GENOME SCIENCES REPORTS FINANCIAL RESULTS FOR FULL YEAR AND FOURTH QUARTER 2005

February 3, 2006

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

January 10, 2006

HUMAN GENOME SCIENCES REPORTS ON PROGRESS TOWARD COMMERCIALIZATION AND ANNOUNCES 2006 GOALS AT JPMORGAN HEALTHCARE CONFERENCE

January 10, 2006

HUMAN GENOME SCIENCES LICENSES WORLDWIDE INTELLECTUAL PROPERTY RIGHTS FOR TARGET ANTIGEN TO PDL BIOPHARMA

January 10, 2006

HUMAN GENOME SCIENCES RECEIVES MILESTONE PAYMENT FROM GLAXOSMITHKLINE FOR FILING OF GSK716155 IND APPLICATION TO BEGIN PHASE 1 TRIALS IN THE TREATMENT OF DIABETES

January 9, 2006

HUMAN GENOME SCIENCES ANNOUNCES LICENSE AGREEMENT WITH AMGEN

January 6, 2006

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