FOURTH AMENDMENT OF OFFICE LEASE AGREEMENT This Fourth Amendment of Office Lease Agreement is made and entered into this 23rd day of July 1998 by and between City of Seattle, a Washington municipal corporation ("Landlord"), and Microvision, Inc., a...

                   FOURTH AMENDMENT OF OFFICE LEASE AGREEMENT


This Fourth Amendment of Office Lease Agreement is made and entered into this
23rd day of July 1998 by and between City of Seattle, a Washington municipal
corporation ("Landlord"), and Microvision, Inc., a Washington corporation
("Tenant").

Recitals: Landlord and Tenant entered into a written Office Lease Agreement
dated December 22, 1995, First Amendment of Office Lease Agreement dated January
26, 1996, and Second Amendment of Office Lease Agreement dated February 26,
1997, and Third Amendment of Lease Agreement dated November 13, 1997 (the
"Lease"), whereby Tenant leased from Landlord certain Premises consisting of
approximately 14,189 rentable square feet of space in Building A of Park 90/5,
the address of which is 0000 Xxxxxxx Xxx Xxxxx, Xxxxxxx, Xxxxxxxxxx, 00000;
known as Suite A-100. Landlord and Tenant desire to further amend the Lease to
increase the number of rentable square feet of space in the Premises, to adjust
Tenant's share of the Building and Tenant's Share of the Property, and to adjust
the Base Rent.

NOW THEREFORE, for valuable consideration, the receipt and sufficiency of which
is hereby acknowledged, effective upon execution of this Amendment, Landlord and
Tenant agree to amend the Lease as follows:

     1. The following Subsection is hereby added to and shall become a party of
Section 1.3 "Premises":

               1.3.2 Effective September 1, 1998, the square footage of the
          Premises shall be increased from approximately 14,189 rentable
          square feet to approximately 15,435 rentable square feet by
          adding approximately 1,246 rentable square feet of space as
          outlined in blue on the floor on the floor plan attached hereto
          as Exhibit B.

     2. The following Subsection is hereby added to and shall become a part
of Section 1.4 "Tenant's Share":

               1.4.2 Effective September 1, 1998, Tenant's Share of the
          Building shall be increased from 14.58% to 15.86% and Tenant's
          Share of the Property shall be increased from 4.98% to 5.41%.

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     3. The following Subsection is hereby added to and shall become a part
of Section 1.9 "Base Rent":

               1.9.2 Effective September 1, 1998, the Base Rent shall be
          increased from $10,937.36 per month to $12,071.22 per month.

     4. Exhibit B is deleted in its entirety and replaced with the Exhibit
B attached hereto and made a part hereof.

     5. Improvements. Tenant hereby accepts the Premises in "AS IS, WHERE
IS" condition. The provisions of the Lease pertaining to the Premises have
been completed and shall no longer apply; Landlord shall not be required to
make additional improvements to the Premises.

     6. Agency Disclosure. Xxxxxx Xxxxx Inc. hereby discloses that it
represents the Landlord in this transaction.

Except as set forth in this Fourth Amendment of Office Lease Agreement, all
the provisions of the Lease shall remain unchanged and in full force and
effect.

Dated the date first above written.

Landlord:                               Tenant:

The City of Seattle, a Washington       Microvision, a Washington corporation
municipal corporation


By:_____________________________        By:_____________________________
   Xxxxxx X. Xxxxxx
   Executive Services Director               Its:_______________________



                                       By:_____________________________

                                            Its:_______________________


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