EXHIBIT 10.1 FIRST AMENDMENT TO EMPLOYMENT AGREEMENT This First Amendment to Employment Agreement (the "First Amendment") is executed and dated effective as of the 28th day of March, 2001 between Zonagen, Inc. (the "Company") and Joseph S. Podolski...Employment Agreement • May 15th, 2001 • Zonagen Inc • Biological products, (no disgnostic substances) • Texas
