Exhibit 4.1 NOTE PURCHASE AGREEMENT ----------------------- NOTE PURCHASE AGREEMENT, dated as of July 22, 1999, by and between Mastech Corporation, a Pennsylvania corporation ("Company"), and GE Capital Equity Investments, Inc., a Delaware corporation...Note Purchase Agreement • November 15th, 1999 • Mastech Corp • Services-computer programming services • New York
ARTICLE I THE CONVERTIBLE NOTESNote Purchase Agreement • August 20th, 1999 • Youbet Com Inc • Blank checks • New York