Exhibit 10.15 FOURTH LOAN MODIFICATION AGREEMENT This Fourth Loan Modification Agreement (this "Loan Modification Agreement") is entered into as of May 4, 2001, by and between CENTRA SOFTWARE, INC., a Delaware corporation with its principal place of...Fourth Loan Modification Agreement • March 13th, 2002 • Centra Software Inc • Services-business services, nec
WITNESSETH:Sublease Agreement • March 13th, 2002 • Centra Software Inc • Services-business services, nec
