December 28, 2007 — George Gruner, founder of Unidym Inc., has been selected as a visionary Technology Pioneer for 2008 by the World Economic Forum and has been invited to speak at the upcoming WEF Technology Pioneers Conference in Davos, Switzerland, this January.

Unidym, a majority-owned subsidiary of Arrowhead Research Corp., develops and manufactures carbon nanotubes for the electronics industry.

The Technology Pioneers 2008 were nominated by the world’s leading technology experts, including venture capitalists, technology companies, academics and media. The final selection from 273 nominees was made by a panel of leading technology experts appointed by the World Economic Forum.

“Unidym is very proud to have Professor Gruner named a Technology Pioneer by the World Economic Forum,” said Arthur L. Swift, Arrowhead’s president and chief executive. “This prestigious award is a tribute to the innovative work of Dr. Gruner and the entire research and engineering team at Unidym.

“Carbon nanotubes may be one of the most important emerging technology platforms of the new millennium, and as such, we are gratified by the recognition of our technology leadership.”