EXHIBIT 10.18 STANDARD OFFICE LEASEStandard Office Lease • June 13th, 2000 • Ct Holdings Inc • Services-prepackaged software • California
1 EXHIBIT 10.19 GUARANTY OF LEASE This Guaranty of Lease ("Guaranty") is entered into this 2nd day of August, 1999, by CITADEL TECHNOLOGY, INC., a Delaware corporation (the "Guarantor") whose address is 3811 Turtle Creek Boulevard, Suite 600, Dallas,...Guaranty of Lease • June 13th, 2000 • Ct Holdings Inc • Services-prepackaged software • California
