THIS LEASE AGREEMENT (the "Lease") is made and entered into on this the 4th day of January, 2000 between Oral Roberts University, an Oklahoma Corporation ("Landlord") and Digimarc Corporation ("Tenant").

WITNESSETH:

1. Definitions.

(a) "Project" shall mean the real property described in Exhibit "A" attached hereto and made a part hereof and the improvements constructed thereon.

(b) "Building" shall mean the CityPlex Towers Building, located on the real property described in Exhibit "A" attached hereto and made a part hereof which has a street address of 2448 E. 81st Street, Suite 4300, Tulsa, Oklahoma 74137.

(c) "Premises" shall mean the suite of offices outlined on the floor plan attached to this Lease as Exhibit "B" attached hereto and made a part hereof. Landlord warrants that the Premises contain 11,750 square feet of "Net Rentable Area" (as hereafter defined). The Premises are located in the Building.

(d) "Base Rental" shall mean the sum of$ (See Addendum) per annum as adjusted under Paragraph 29 hereof. The Base Rental due for the first month of the Lease Term (as hereafter defined) has been deposited with Landlord by Tenant contemporaneously with the execution hereof.

(e) "Commencement Date" shall mean January 15, 2000, except as such date may be delayed pursuant to the provisions of Paragraph 3 (c) hereof.

(f) "Lease Term" shall mean the term commencing on the Commencement Date and continuing until forty-eight (48) months after the first day of the first full month following the Commencement Date.

(g) "Security Deposit" shall mean the sum of$11,260.42.

(h) "Building Common Areas" shall mean those areas devoted to lobbies and entryways.

(i) "Common Areas" shall mean the Building Common Areas and corridors, elevator foyers, restrooms, mechanical rooms, janitorial closets, electrical and telephone closets, vending areas and other similar facilities provided for the common use or benefit of tenants generally and/or the public.

(j) "Single Floor Common Areas" shall mean that part of the Common Areas located on a designated floor.

(k) "Service Areas" shall mean those areas within the outside walls of the Building used for elevator mechanical rooms, building stairs, fire towers, elevator shafts, flues, vents, stacks, pipe shafts and vertical ducts (but shall not include any such areas for the exclusive use of a particular Tenant).

(l) "Net Rentable Area" of one floor of the Building shall mean the gross area within the inside surface of the outer glass or other material comprising the exterior walls of the Building excluding the Common Areas and Service Areas.

(m) "Net Rentable Area of the Building" shall mean the total of the Net Rentable Area of all floors of the Building.

(n) "Net Rentable Area of the Premises" shall mean the gross area within the inside surface of the outer glass or other material comprising the exterior walls of the Premises to the mid-point of any walls separating portions of the Premises from those of adjacent tenants and to the Common Areas or Service Areas side of walls separating the Premises from Common Areas and Service Areas, subject to the following:

(1) Net Rentable Area of the Premises shall not include any Service Areas and shall not include Exterior Common Areas.

(2) Net Rentable Area of the Premises shall include a pro rata part of the Building Common Areas plus a pro rata part of the Single Floor Common Areas on the floor on which the Premises are located, such pro rations based upon an allocation to each floor of the Building of Building Common Areas (based upon the Net Rentable Area of each floor and the Net Rentable Area of the Building, exclusive of Building Common Areas) and upon the ratio of the Net Rentable Area of the Premises to the total Net Rentable Area of such floor.

(3) Net Rentable Area of the Premises shall include any columns and/or projection (s), which protrude into the Premises and/or the Common Areas.

(o) "Basic Costs" intentionally omitted.

(p) "Exterior Common Areas" shall mean those areas of the Project which are not located within the Building and which are provided and maintained for the common use and benefit of Landlord and Tenants of the Building generally and the employees, invitees and licensees of Landlord and such Tenants; including without limitation all parking areas, enclosed or otherwise, all streets, sidewalks and landscaped areas located within the Project.

(q) "Tenant Improvements", when used herein, shall mean those improvements to the Premises which Landlord has agreed to provide pursuant to the plans and specifications ("Plans") attached (or to be attached) hereto as Exhibit "C" and made a part hereof. In the event the Plans are not attached to this Lease as of the date of execution hereof, this Lease shall terminate, at Landlord's option, on the day next following the 14th day from the date hereof unless Landlord and Tenant initial and attach the Plans to this Lease on or before such date. Landlord's approval of and initialing of any plans and specifications shall be at Landlord's sole discretion. All Tenant Improvements shall be made and constructed only by Landlord using Landlord's regular contractors or Landlord's designee. Except to the extent otherwise agreed (and described on an addendum to the Plans), the making and constructing of the Tenant Improvements shall be at Tenant's expense. "Building Standard" shall mean the type, brand and/or quality of materials Landlord designates from time to time to be the minimum quality to be used in the Building or the exclusive type, grade or quality of material to be used in the Building.

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