Exhibit 10.11 AMENDMENT NUMBER ONE TO LOAN AND SECURITY AGREEMENT THIS AMENDMENT NUMBER ONE TO LOAN AND SECURITY AGREEMENT (this "Amendment"), dated effective as of August 12, 1999 is entered into by and among Grant Geophysical, Inc., a Delaware...Loan and Security Agreement • October 28th, 1999 • Grant Geophysical Inc • Oil & gas field exploration services • Massachusetts
Exhibit 10.12 AMENDMENT NUMBER TWO TO LOAN AND SECURITY AGREEMENT THIS AMENDMENT NUMBER TWO TO LOAN AND SECURITY AGREEMENT (this "AMENDMENT"), dated effective as of September 23, 1999, is entered into by and among Grant Geophysical, Inc., a Delaware...Loan and Security Agreement • October 28th, 1999 • Grant Geophysical Inc • Oil & gas field exploration services • Massachusetts
AMENDMENT NO. 3 TO COMMON STOCK REGISTRATION RIGHTS AGREEMENTCommon Stock Registration Rights Agreement • October 28th, 1999 • Grant Geophysical Inc • Oil & gas field exploration services • New York
