Exhibit 10.18 GSE Systems, Inc. (Exact name of registrant as specified in its charter) MODIFICATION AGREEMENT THIS MODIFICATION AGREEMENT (this "Agreement") is made as of the ___ day of January, 1999 by and among GSE POWER SYSTEMS, INC. (f/k/a...Modification Agreement • March 30th, 1999 • Gse Systems Inc • Services-prepackaged software • Maryland
RecitalsUnconditional Guaranty • March 30th, 1999 • Gse Systems Inc • Services-prepackaged software • Maryland
EXHIBIT 10.2 GSE SYSTEMS, INC. 1995 LONG-TERM INCENTIVE PLAN (As Amended through November 20, 1998) 1 Definitions In this Plan, except where the context otherwise indicates, the following definitions apply: 1.1. "Agreement" means a written agreement...1995 Long-Term Incentive Plan • March 30th, 1999 • Gse Systems Inc • Services-prepackaged software
Exhibit 10.21 UNCONDITIONAL GUARANTY THIS UNCONDITIONAL GUARANTY (this "Guaranty") is made as of the _____ day of January, 1999_ by MANTECH INTERNATIONAL CORPORATION, a New Jersey corporation (the "Guarantor"), in favor of FIRST UNION NATIONAL BANK...Unconditional Guaranty • March 30th, 1999 • Gse Systems Inc • Services-prepackaged software • Maryland
