1 EXHIBIT 10.1 LEASE AGREEMENT 1. PARTIES ------- This Lease, dated for reference purposes only, Thursday, July 3, 1997, is made by and between BAY BUSINESS CENTERS, INC., Lessor, and SUMMAFOUR hereinafter called Lessee. 2. PREMISES -------- Lessee...Lease Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus
1 Exhibit 10.29 EMPLOYMENT AGREEMENT -------------------- THIS EMPLOYMENT AGREEMENT (the "Agreement"), made this 23 day of July, 1996, is entered into by Summa Four, Inc., a New Hampshire corporation with its principal place of business at Manchester,...Employment Agreement • June 23rd, 1997 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
SOFTWARE SUPPORT AND MAINTENANCE SERVICES AGREEMENT Between SUMMA FOUR, Inc. and NEWNET, Inc.Supply Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus • Connecticut
EMPLOYMENT AGREEMENT -------------------- THIS EMPLOYMENT AGREEMENT (the "Agreement"), made this 26th day of June, 1997, is entered into by Summa Four, Inc., a Delaware corporation, with its principal place of business at Manchester, New Hampshire...Employment Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
1 Exhibit 10.30 EMPLOYMENT AGREEMENT -------------------- THIS EMPLOYMENT AGREEMENT (the "Agreement"), made this 23rd day of July, 1996, is entered into by Summa Four, Inc., a New Hampshire corporation with its principal place of business at...Employment Agreement • June 23rd, 1997 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
1 EXHIBIT 10.32 LOAN MODIFICATION AGREEMENT This Agreement is made as of July 28, 1993 between Summa Four, Inc., a Delaware corporation (the "Borrower") and Fleet Bank of Massachusetts, N.A. (the "Bank"). For good and valuable consideration, receipt...Loan Modification Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus
1 Exhibit 10.32 EMPLOYMENT AGREEMENT -------------------- THIS EMPLOYMENT AGREEMENT (the "Agreement"), made this 18th day of October, 1996, is entered into by Summa Four, Inc., a Delaware corporation, with its principal place of business at...Employment Agreement • June 23rd, 1997 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
SUMMA FOUR LOGO] EXHIBIT 10.36 EMPLOYMENT AGREEMENT -------------------- THIS EMPLOYMENT AGREEMENT (the "Agreement"), made this 15th day of April, 1997, is entered into by Summa Four, Inc., a Delaware corporation, with its principal place of business...Employment Agreement • August 12th, 1997 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
EMPLOYMENT AGREEMENT -------------------- THIS EMPLOYMENT AGREEMENT (the "Agreement") is entered into by Summa Four, Inc., a Delaware corporation, with its principal place of business at Manchester, New Hampshire (the "Company"), and Philip T. Coates...Employment Agreement • June 22nd, 1998 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
1 EXHIBIT 10.33 PROMISSORY NOTE ---------------Summa Four Inc • June 19th, 1998 • Telephone & telegraph apparatus
AGREEMENTAgreement • May 9th, 1997 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
1 EXHIBIT 10.37 Confidential materials omitted and filed separately with the Securities and Exchange Commission. Asterisks denote omissions. JOINT DEVELOPMENT AGREEMENT This joint Development Agreement is made this 11th day of June, 1991 (the...Joint Development Agreement • August 12th, 1997 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
1 Exhibit 10.25 LEASE AMENDMENT --------------- NORTHERN MANCHESTER TRUST, c/o John H. Halvorsen, Trustee, One Sundial Avenue, Suite 510, Manchester, New Hampshire 03103 ("Lessor") and Summa Four, Inc., 25 Sundial Avenue, Manchester, New Hampshire...Summa Four Inc • June 23rd, 1997 • Telephone & telegraph apparatus
1 EXHIBIT 10.4 ATRIUM EXECUTIVE CENTER LEASE AND SERVICE AGREEMENT This Lease is made on June 2, 1997, between ATRIUM EXECUTIVE CENTER, INC., LESSOR, hereinafter called ATRIUM, and SUMMA FOUR, INC., a Delaware corporation, LESSEE, hereinafter called...Lease and Service Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus
Exhibit 10.33 SEVERANCE AND SETTLEMENT AGREEMENT AND RELEASE AGREEMENT made as of the 8th day of August, 1994, by and between Summa Four, Inc. (the "Company") and James Fiedler (the "Employee"). WHEREAS, the parties wish to resolve amicably the...Severance and Settlement Agreement and Release • May 9th, 1997 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
EFFECTIVE DATE: November 27, 1996 AGREEMENT #: 353 ----------------- CONTRACT FOR SERVICES AGREEMENT THIS AGREEMENT is made and entered into as of the TWENTY-SEVENTH day of NOVEMBER, 1996, (hereinafter "Effective Date") by and between Summa Four,...Contract for Services Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
1 EXHIBIT 10.43 FLEET BANK August 24, 1995 Mr. Thomas A. St. Germain Chief Financial Officer Summa Four, Inc. 25 Sundial Avenue Manchester, NH 03103 Dear Tom: Reference is hereby made to the Letter Agreement (the "Agreement") executed by and between...Letter Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus
1 EXHIBIT 10.3 SOFTWARE LICENSE AND MAINTENANCE AGREEMENT This Software license and maintenance agreement ("Agreement") is entered into effective as of August 4, 1997 (the "Effective Date") by and between D2 Technologies, Inc., a California...Software License and Maintenance Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus • New York
1 AMENDMENT TO EMPLOYMENT AGREEMENT --------------------------------- NOW COME Barry R. Gorsun ("Executive") and Summa Four, Inc. ("Company"), parties to an Employment Agreement dated November 16, 1996, and in consideration of the mutual covenants and...Employment Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus
EXHIBIT 10.39 [FLEET LETTERHEAD] August 30, 1996 Mr. Thomas A. St. Germain Chief Financial Officer Summa Four, Inc. 25 Sundial Avenue Manchester, NH 03103 Dear Tom: Reference is hereby made to the Letter Agreement (the "Agreement") executed by and...Letter Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus
1 EXHIBIT 10.1 LOAN MODIFICATION AGREEMENT This Loan Modification Agreement ("this Agreement") is made as of December 19, 1997 between Summa Four, Inc., a Delaware corporation (the "Borrower") and Fleet National Bank (successor by merger to Fleet Bank...Loan Modification Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus
EXHIBIT 10.3 Mentor Graphics Corporation 8005 SW Boeckman Road Wilsonville, Oregon 97070-7777 CUSTOMER AGREEMENT Agreement No. MA4159 Effective Date: June 30, 1997 ------ Customer: SUMMA FOUR, INC. 25 Sundial Avenue Manchester, NH 03103-7251 This...Disclosure Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus • Oregon
1) The Expiration Date of the Agreement is hereby extended until September 1, 1995.Summa Four Inc • June 19th, 1998 • Telephone & telegraph apparatus
1 EXHIBIT 10.2 EFFECTIVE DATE: 4 August 97 ________ AGREEMENT #: ____________________ CONTRACT FOR PRODUCTS AND SERVICES AGREEMENT THIS AGREEMENT is made and entered into as of the 4th day of August, 1997, (hereinafter "Effective Date") by and between...Contract for Products and Services Agreement • June 19th, 1998 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
AGREEMENT ---------Agreement • June 23rd, 1997 • Summa Four Inc • Telephone & telegraph apparatus • New Hampshire
LEASE AMENDMENTSumma Four Inc • August 14th, 1998 • Telephone & telegraph apparatus
1 OPERATING AGREEMENT OF SUMMATION LLCOperating Agreement of Summation • August 14th, 1998 • Summa Four Inc • Telephone & telegraph apparatus • Delaware
