Exhibit 4.3 ASSUMPTION AGREEMENT, dated as of September 23, 2005, made by SDI Merger Corporation, an Illinois corporation (the "Additional Grantor"), in favor of JPMORGAN CHASE BANK, N.A., as administrative agent for the Lenders (in such capacity, the...Assumption Agreement • September 29th, 2005 • Activant Solutions Inc /De/ • Services-computer integrated systems design • New York
ANDActivant Solutions Inc /De/ • September 29th, 2005 • Services-computer integrated systems design • New York
Exhibit 4.4 GUARANTEE SUPPLEMENT GUARANTEE SUPPLEMENT (this "Guarantee Supplement"), dated as of September 23, 2005, among the guarantor listed on the signature pages attached hereto (the "New Guarantor"), and, pursuant to the Senior Bridge Loan...Guarantee Supplement • September 29th, 2005 • Activant Solutions Inc /De/ • Services-computer integrated systems design • New York
