PROFESSIONAL SERVICES CONTRACT Authorized by: R. Towson Requested by: Date: 10/09/97 Project Number/Facility Number Approved By: Information regarding this contract can be supplied by: Telephone Number One-Time Contract P.A. Lyons 215 977-6942 X On-Going Services Contract Release Against On-Going Services Contract Account or Appropriation Number: Contract Number CMMK00376 Supplement 4 To Contractor: Invoice to: Service Business Systems Sun Company, Inc. (R&M) Attn: Don Warriner Attn: Ron Towson 11415 W I-70 Frontage Road North 1801 Market Street Wheat Ridge, CO 80033 Philadelphia, PA 19103 This CONTRACT, effective 1/1/97, between Sun Company, Inc. (R&M) hereinafter called "Owner", having an office at 1801 Market Street, Philadelphia, PA 19103 and the "Contractor" shown above. WITNESS in consideration of the mutual promises herein made, Owner and Contractor agree as follows: ARTICLE 1 - THE WORK: The Work shall consist of: Contractor will provide Sun with customer follow-up services (hereinafter called "Services") as may be required by Sun during the period of this agreement and under the terms and condition set forth in Scope of Work, attached and made part of this contract, and shall be performed at the site location of contractor or designated locations. CONTRACTOR shall perform all work hereunder in accordance with the terms and conditions of this Contract and the following as noted: Exhibit A: Scope of Work Exhibit B: Govt. Compliance Certificate SUPPLEMENT #3, ISSUED 12/12/96, TO EXTEND THE TERMS OF THIS CONTRACT AND MODIFY PRICING, AS DETAILED ON EXHIBIT C, ATTACHED AND MADE PART OF THIS CONTRACT. ALL OTHER ITEMS REMAIN UNCHANGED. SUPPLEMENT #4, IS ISSUED 9/1/97 TO AUTHORIZE THE 1997 HOLIDAY CARD PRICING AT $__ PER CARD, REGARDLESS OF QUANTITY LEVEL. DEALERS WILL BE RESPONSIBLE FOR PLACEMENT OF ORDERS AND PAYMENT OR THE HOLIDAY CARDS. THIS AGREEMENT WILL CONTINUE ON A 60-DAY WRITTEN NOTICE UNTIL TERMINATED BY EITHER PARTY. Contractor shall furnish any and all personnel and all other things necessary for the performance and completion of all work authorized hereunder. This agreement, including General Terms and Conditions and all attachments and Exhibits appended hereto or referenced herein shall constitute the Contract between the parties. ARTICLE 2 - ITEMS PROVIDED BY OWNER: Items noted to be specifically supplied by Owner are as follows: Information about USC dealers as needed for Contractor to provide required Services. Logo/approved art work as required for printing requirements. ARTICLE 3 - COMPENSATION: For satisfactory performance of the Work hereunder, Owner agreed to pay Contractor in the manner and at times specified in Article 4, and Contractor agrees to accept full and complete payment for providing such Work, compensation as follows: supplement #3, pricing schedule effective 1/1/97 thru 6/30/97. As detailed in Scope of Work, attached and made part of this document. ARTICLE 4 - TERMS OF PAYMENT: Net 30 days Prior to final payment hereunder, and as a condition thereto Contractor shall satisfy the requirements of General Terms and Conditions, paragraph 15. ARTICLE 5 - TERM: Work under this Contract shall commence on or about SUPPLEMENT #3, 1/1/97. All work shall be completed on or before 6/30/97. IF THIS CONTRACT IS EXTENDED PAST THIS DATE, BOTH PARTIES MUST AGREE IN WRITING TO THE TERMS OF THE EXENSION. ARTICLE 6 - CHANGES, ADDITIONS AND/OR DELETIONS: Owner reserves the continuing right to make changes, additions and/or deletions to the Work as it may deem necessary. All changes, additions, or deletions shall be made in writing and accepted by both parties before Contractor proceeds with such Work. Contractor shall make no changes, additions or deletions to the Work without Owner's prior written instructions. The cost of such changes, additions or deletions shall be determined as follows: The party requesting the changes shall be responsible for any additional charges. Contractor shall make no changes in any performance schedule(s) provided for in Article 1 or in any other term of this contract without the prior written approval of Owner. ARTICLE 7 - INSURANCE: Contractor shall take out, carry and maintain in insurance company or companies, and in policies of insurance acceptable to Owner, the insurance with limits not less than indicated for the respective items, as specified in General Terms and Conditions, Paragraph 25, or as amended below: No changes in insurance requirements will be permitted. ARTICLE 8 - Governing Law: This Contract shall be governed by the laws of the States wherein the work is performed unless stated otherwise: EXHIBIT 10.20 Contract instructions: The term "State" wherever used in this contract Sun Company, Inc. (R&M) shall be deemed to include the Commonwealth of Attn: P.M. Lyons Puerto Rico.In witness whereof, the parties Ten Penn Center have executed this Contract. This contract is 1801 Market Street subject to the terms and conditions shown on Philadelphia, PA the reverse side hereof or attached hereto 19103-1699 and which are incorporated herein. Owner: Date: 10/9/97 Contractor: Date: 10/17/97 Contractor shall sign and return one fully executed copy of this contract and all future contract notices to the address shown above. If no address is shown above, copy shall be returned to the "Invoice To" address at the top. BY(Signature) /s/Peggy Lyon /s/Don Warriner (Name and Title) Title: Title:President and CEO Distribution: Contractor Owner Accounts Payable Materials Management