EX 10.2(a) BERNAL CORPORATE PARK LEASE FIRST AMENDMENT TO LEASE That certain Lease dated July 8, 1996 by and between PATRICIAN ASSOCIATES, INC., a California corporation, and PRINCIPAL MUTUAL LIFE INSURANCE COMPANY, an Iowa Corporation, California...

                                                                 EX 10.2(a)

                         XXXXXX CORPORATE PARK LEASE
                           FIRST AMENDMENT TO LEASE

     That certain Lease dated July 8, 1996 by and between PATRICIAN
ASSOCIATES, INC., a California corporation, and PRINCIPAL MUTUAL LIFE
INSURANCE COMPANY, an Iowa Corporation, California partnership as tenants in
common operating as a joint venture under the name XXXXXX CORPORATE PARK,
Landlord, and VOTAN CORPORATION, a Delaware Corporation, Tenant, for the
premises located at 0000 Xxxx Xxxxxx Xxxxxxx, Xxxxx 000, is amended this 6th
day of November, 1996, by amending (or adding as the case may be) the clauses
below with the like numbered clauses in the Lease:

BASIC LEASE TERMS

1.e.   Premises Area:  10,680 Rentable  Square Feet, a reduction of 1,907 
                       Rentable Square Feet.

1.g.   Premises Percent of Project:  8.905%

1.i.   Base Monthly Rent:

       Effective Date of Rental Adjustment                  Base Monthly Rent
       -----------------------------------                  -----------------
       December 1, 1996 to May 31, 1998                     $12,511.60
       June 1, 1998 to November 30, 1999                    $13,259.20
       December 1, 1999 to November 30, 2001                $13,793.20

Additionally Votan agrees to pay a one time charge of $7,000 to reduce the
square footage as provided in this lease amendment.

All other terms and conditions of the above described Lease shall remain in
full force and effect.

XXXXXX CORPORATE PARK, a joint venture between Principal Mutual Life Insurance
Company, an Iowa Corporation and Patrician Associates, Inc., a California
Corporation.

PATRICIAN ASSOCIATES, INC., a California Corporation, Joint Venture Partner

BY:  /s/ Xxxxxx X. Xxxxxxxx
    ------------------------------------
     Xxxxxx X. Xxxxxxxx

ITS:  Vice President
     -----------------------------------

PRINCIPAL MUTUAL LIFE INSURANCE COMPANY, an Iowa Corporation, Joint Venture 
Partner

BY:  /s/ Xxxx X. Xxxxxxxx
    ------------------------------------
    Xxxx X. Xxxxxxxx

      Assistant Director 
ITS:  Commercial Real Estate
     -----------------------------------

TENANT:  VOTAN CORPORATION, a Delaware Corporation

BY:  /s/ Xxxx X. Xxxxx
    ------------------------------------

ITS:  President & CEO
     -----------------------------------