Konarka Technologies Announces Collaboration with Oak Ridge National Laboratory

Partnership Extends Konarka’s Team of Research Collaborators

Lowell, MA, U.S.A. — April 21, 2004 — Konarka Technologies, Inc., an innovator in developing and manufacturing breakthrough products that convert light to energy-- anywhere, announced it is collaborating with Oak Ridge National Laboratory to further technology development for Konarka’s photovoltaic products. Oak Ridge National Laboratory has selected Konarka as its exclusive partner for research and development of chemistry related to solar cells. Konarka’s collaboration with Oak Ridge National Laboratory, which performs work for the U.S. Department of Energy, will accelerate the development and commercialization of Konarka’s process technology, enabling the company to bring current research programs to market faster.

“We are working with Oak Ridge to develop technologies that will improve our manufacturing processes and lower the cost of our third-generation, flexible photovoltaic materials,” said Dr. Russell Gaudiana, Ph.D., Vice President, Research and Development, Konarka Technologies, Inc. “Research is critical to any company developing commercial products. Konarka continues to expand its collaboration with world-renowned research teams to maximize its research and development efforts,” he added.

About Konarka Technologies, Inc. Konarka builds products that convert light to energy – anywhere. Konarka is the leading developer of polymer photovoltaic products that provide a source of renewable power in a variety of form factors for commercial, industrial, government and consumer applications. Konarka's photovoltaic nanotechnology is focused on delivering lightweight, flexible, scalable and manufacturable products. Konarka has a broad portfolio of patents, technology licenses and an accomplished technical team. Nobel Laureate Professor Alan Heeger (UC Santa Barbara) is a chief scientist for Konarka and Dr. Michael Grätzel (Ecole Polytechnic Fédérale de Lausanne) is a senior scientific advisor. Konarka is funded by Draper Fisher Jurvetson, Zero Stage Capital, Ardesta LLC, NGEN, ChevronTexaco (NYSE: CVX) and Eastman Chemical Company (NYSE: EMN). Konarka Technologies is headquartered in Lowell, MA, U.S.A. and has subsidiaries in Austria and Switzerland. For more information, visit http://www.konarka.com or contact Joe Romano, Partner, HighGround, Inc. at 781-279-1320 x 208 or .

About Oak Ridge National Laboratory Oak Ridge National Laboratory is a multiprogram science and technology laboratory managed for the U.S. Department of Energy by UT-Battelle, LLC. Oak Ridge National Laboratory conducts basic and applied research and development to create scientific knowledge and technological solutions that strengthen the nation's leadership in key areas of science; increase the availability of clean, abundant energy; restore and protect the environment; and contribute to national security.