Press Release

SAN FRANCISCO, Sept. 14, 2011 /PRNewswire/ -- Nektar Therapeutics' (Nasdaq: NKTR) President and Chief Executive Officer, Howard W. Robin, is scheduled to present at the upcoming UBS 2011 Global Life Sciences Conference in New York at the Grand Hyatt Hotel on Tuesday, September 20, 2011 at 10:00 a.m. Eastern time.

The presentation will be accessible via a Webcast through a link posted on the Investor Relations, Events Calendar section of the Nektar website: http://www.nektar.com. This Webcast will be available for replay until October 25, 2011.

About Nektar

Nektar Therapeutics is a biopharmaceutical company developing novel therapeutics based on its PEGylation and advanced polymer conjugation technology platforms. Nektar has a robust R&D pipeline of potentially high-value therapeutics in oncology, pain and other areas. In the area of pain, Nektar has an exclusive worldwide license agreement with AstraZeneca for NKTR-118, an investigational drug candidate, being evaluated in Phase 3 clinical studies as a once-daily, oral tablet for the treatment of opioid-induced constipation.  The agreement also includes NKTR-119, an earlier stage development program that is a co-formulation of NKTR-118 and an opioid.  NKTR-181, a novel mu-opioid analgesic molecule, is being evaluated in Phase 1 clinical studies.  In oncology, NKTR-102, a novel topoisomerase I-inhibitor, is being evaluated in Phase 2 clinical studies for the treatment of breast, ovarian and colorectal cancers.

Nektar's technology has enabled seven approved products in the U.S. or Europe through partnerships with leading biopharmaceutical companies, including UCB's Cimzia® for Crohn's disease and rheumatoid arthritis, Roche's PEGASYS® for hepatitis C and Amgen's Neulasta® for neutropenia.

Nektar is headquartered in San Francisco, California, with additional R&D operations in Huntsville, Alabama and Hyderabad, India. Further information about the company and its drug development programs and capabilities may be found online at http://www.nektar.com.

Jennifer Ruddock of Nektar Therapeutics, +1-415-482-5585, jruddock@nektar.com

SOURCE Nektar Therapeutics