Human Genome Sciences Invites Investors to Listen to Webcast of Presentation at Piper Jaffray Conference

ROCKVILLE, Md. -- (BUSINESS WIRE) -- Human Genome Sciences, Inc. (NASDAQ: HGSI) announced today that its presentation at the Piper Jaffray 23rd Annual Health Care Conference will be webcast and may be accessed at www.hgsi.com.

A member of Human Genome Sciences’ senior management team will present a corporate overview on Wednesday, November 30, 2011, at 9:30 AM Eastern time. Investors interested in listening to the live webcast should log on before the start time in order to download any software required. The archive of the webcast will be available for several days after the live event.

ABOUT HUMAN GENOME SCIENCES

Human Genome Sciences exists to place new therapies into the hands of those battling serious disease.

For more information about HGS, please visit the Company’s web site at www.hgsi.com. Health professionals and patients interested in clinical trials of HGS products may inquire via e-mail to clinicaltrialsinfo@hgsi.com or by calling HGS at (240) 314-4430.

HGS and Human Genome Sciences are trademarks of Human Genome Sciences, Inc. Other trademarks referenced are the property of their respective owners.