EXHIBIT 10.17 SECOND AMENDMENT TO EMPLOYMENT AGREEMENT This Second Amendment to Employment Agreement (the "Second Amendment") is executed and dated effective as of the 29th day of October, 2002 between Zonagen, Inc. (the "Company") and Joseph S....Employment Agreement • April 10th, 2003 • Zonagen Inc • Biological products, (no disgnostic substances) • Texas
EXHIBIT 10.18 SECOND AMENDMENT TO EMPLOYMENT AGREEMENT This Second Amendment to Employment Agreement (the "Second Amendment") is executed and dated effective as of the 29th day of October, 2002 between Zonagen, Inc. (the "Company") and Louis Ploth,...Employment Agreement • April 10th, 2003 • Zonagen Inc • Biological products, (no disgnostic substances) • Texas
