EXHIBIT 10.21 AMENDED SINGLE INSTALLMENT NOTE HOUSTON, TEXAS (EXERCISE OF OPTIONS FOR 565,741 SHARES OF NTG) JULY 1, 2002 This Amendment pertains to that certain Single Installment Note entered into on or about October 28, 2000 by and between...

AutoNDA by SimpleDocs
Draft better contracts in just 5 minutes Get the weekly Law Insider newsletter packed with expert videos, webinars, ebooks, and more!