<PAGE>

                                LEASE AGREEMENT

    THIS LEASE AGREEMENT made and entered into this 30 day of April, 1996, by
and between Metta M. Boyd, hereinafter referred to as Lessor, and FEATHER
RIVER STATE BANK, a corporation, hereinafter referred to as Lessee. In
consideration of the mutual promises, covenants and conditions hereinafter
contained, the parties hereto contract and agree as follows:

    The Lessor hereby leases to the Lessee and the Lessee takes from the
Lessor that certain property described as:

    That certain real property located in the County of Butte, State of
    California, described as follows:

    The East half of Lot 4 of Block 26 of the City of Chico, according to
    the Official Map thereof, recorded in the office of the Recorder of
    the County of Butte, State of California fronting sixty-six feet on
    East Sixth Street and sixty-six feet on Wall Street

    consisting of a business building and parking area, subject to the
    following terms and conditions:

    1.  TERM:  Two (2) years commencing June 1, 1996 at a rental of Nine
Hundred Dollars ($900.00) per month, first and last months' rental payable in
advance.

    2.  Lessee shall maintain said premises including the parking area in
good state of repair at all times and shall not commit waste thereon. The
Lessor shall be responsible for the roof and exterior walls upon the written
notice of Lessee if the same are in need of repair.

    3.  Lessee shall obtain insurance for plate glass in the front for any
breakage regardless from whatever cause breakage may occur.

    4.  The Lessor shall not be responsible for any loss to the fixtures,
equipment or merchandise of the Lessee caused by fire, leakage, or other
cause whatsoever.

    5.  Lessee shall maintain the plumbing in a good state of repair both from
outside and inside and pay any repairs.

    6.  Any repairs or additions or alterations made by the Lessee shall
first be submitted to the Lessor for written approval.

<PAGE>

    7.  The Lessee agrees to keep the lot, parking area and surrounding area
clean and sightly at all times.

    8.  The Lessee shall pay for all utilities used on and about the leased
premises including heat, water, garbage and electricity.

    9.  There shall be no permanent parking on the lot other than the regular
employees and normal customers.

   10.  There shall be no printed matter, signs or posters placed on the
leased building without Lessor's prior written consent.

   11.  The Lessee shall at all times have installed a fire extinguisher
within the leased premises.

   12.  In the event the building is destroyed by fire, the Lessor shall have
a period of one hundred twenty days (120) to rebuild a similar building in
which event the payment of rent shall cease until construction is completed
and possession restored to Lessee. If the building is partially destroyed and
the Lessee can use a portion of the building, then the rental shall be
prorated. If the loss by fire is through the negligence of the Lessee, then
the Lessee at their own costs and expense shall rebuild the building and pay
full rental during the construction period.

   13.  This lease is not assignable without the written consent of the
Lessor first had and obtained; however, in the event the Lessee desires to
vacate the premises, and produces a lessee which meets the standards of a
good tenant, the Lessor will not be unreasonable in allowing Lessee to assign
this lease subject to all the terms and conditions herein.

   14.  Any increase of property taxes over five hundred dollars ($500) per
year during the terms of this lease shall be paid by the Lessee.

   15.  The Lessee shall hold the Lessor free and harmless from any and all
property damages or personal injuries that may occur upon the leased premises
by reason of the occupancy of the Lessee.

   16.  The Lessee complying with all of the terms and conditions of this
lease shall have the option to renew the lease for three successive periods
of two years each ("renewal periods", subject to the same terms and
conditions by giving the Lessor 120 days written notice before the expiration
of the lease term then in effect, except that the monthly rental for the
renewal periods shall be renegotiated. The renegotiated rent for any renewal
period shall not be less than the monthly rent in effect immediately prior to
the commencement of any renewal period.

<PAGE>

   17.  The Lessee shall carry general liability insurance of at least
$500,000.00 and shall make a copy of such policy available to the Lessor.

   18.  Lessor shall maintain fire and extended coverage insurance throughout
the lease term in an amount equal to at least 90% of the replacement value of
the building that includes the lease premises.

   19.  At the end of the lease term or any extension thereof, the Lessee
shall return the premises in as good a condition as received, normal wear and
tear expected.

   20.  The Lessor reserves the right to inspect the premises either in
person or through her agents at all reasonable times and hours.

   21.  If Lessor sells any of the leased premises, Lessor shall be and is
entirely relieved of all liability under this lease, and of all covenants and
obligations contained in and derived from this lease arising out of any
activity, occurrence, or omission occurring after consummation of the sale;
and the purchaser at the sale or any subject sale of the leased premises,
shall be deemed to have assumed and agreed to carry out any of the covenants
and obligations of Lessor under this lease.

   22.  If either Lessor or Lessee shall commence any legal proceedings
against the other with respect to any of the terms and conditions of this
lease, the non-prevailing party shall pay to the other all expenses of the
litigation, including reasonable attorneys' fees as may be fixed by the court
having jurisdiction over the matter.

   23.  This Agreement shall be binding on the heirs, administrators,
executors and assigns of the respective parties hereto.

   IN WITNESS WHEREOF, we have hereunto set our hands the day and year herein
written.

                                    LESSOR:

                                    /s/ Metta M. Boyd
                                    ---------------------------------------
                                    METTA M. BOYD

                                    LESSEE:

                                    FEATHER RIVER STATE BANK
                                    a Corporation

                                    By  /s/ Ronald W. Kelly
                                    ---------------------------------------
                                    Title: RONALD W. KELLY, EXECUTIVE VICE
                                           PRESIDENT