Exhibit 4.1 REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT, effective as of October 9, 2001, by and between TRC COMPANIES, INC., a Delaware corporation ("TRC"), and Joseph C. Mendel, John J. Calzolano, John W. Gildea and F. Walter...Registration Rights Agreement • December 4th, 2001 • TRC Companies Inc /De/ • Hazardous waste management • Connecticut
Exhibit 4.3 STOCK PURCHASE AGREEMENT STOCK PURCHASE AGREEMENT, dated December 22, 2000 by and among TRC Companies, Inc., a Delaware corporation ("Parent"), TRC Environmental Corporation, a Connecticut corporation (the "Buyer" and collectively with...Stock Purchase Agreement • December 4th, 2001 • TRC Companies Inc /De/ • Hazardous waste management • Connecticut
Exhibit 4.2 REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT, dated as of May 22, 2000 by and between TRC COMPANIES, INC., a Delaware corporation ("TRC") and John V. Lowney, individually and as Trustee of the John V. Lowney 1990 Revocable...Registration Rights Agreement • December 4th, 2001 • TRC Companies Inc /De/ • Hazardous waste management • Connecticut
