Sample Business Contracts


License Agreement [Amendment No. 4] - AvantGo Inc. and McKesson Corp.


                      FOURTH AMENDMENT TO LICENSE AGREEMENT


     THIS FOURTH  AMENDMENT TO LICENSE  AGREEMENT  ("Amendment") is entered into
August 17, 2001, by and between AvantGo Inc., located at 1700 S. Amphlett Blvd.,
Suite 300, San Mateo, CA 94402 ("AvantGo") and McKesson Corporation,  located at
One Post Street, San Francisco, CA 94104 ("Licensee").

Background

     The First Amendment to the License  Agreement (dated March 7, 2000) and the
Third  Amendment  to the License  Agreement  (dated  December 31,  2000),  allow
Licensee the right to broadly deploy the Software within Licensee's organization
and externally to Licensee's  customers and business  partners.  The parties now
wish to further amend the License  Agreement to enable  Licensee to generate and
issue software license keys for the efficient distribution, installation and use
of the Software according to the terms of the License Agreement.

Agreement

     1.   Section 3.1 of the License  Agreement  (Grant) shall be amended by the
          addition of the following:

"AvantGo  hereby  grants  Licensee,  during  the  Term set  forth  in the  First
Amendment,  the right to  generation  [******] of license keys for the Software.
Maintenance and support shall be provided with respect to such Software deployed
with these  license keys  according to the terms of the License  Agreement  Each
license key generated  under this Amendment shall be issued for use on a maximum
of one server, in order to maintain a 1:1 ratio of license keys to servers.  All
license or use restrictions and/or proprietary rights notices contained on or in
any  license key issued  from  AvantGo to Licensee  shall be copied onto or into
(and shall not be deleted from) any license key generated by Licensee under this
Amendment."

     2.   Section 9.5 of the License  Agreement  (Survival)  shall be amended by
          the addition of the following:

"For an additional [******] period, AvantGo shall provide Bug Fixes for specific
software defects on a time and materials basis."

For  purposes  of this  agreement,  "Bug  Fixes"  shall  mean a  verifiable  and
reproducible  failure  of  the  Software  that  is  corrected  in  a  subsequent
commercially available release of the Software.


AvantGo  reserves  all  rights in the  Software  not  expressly  granted in this
Amendment or the Agreement.

The parties  agree that  except as amended in the manner  specified  above,  all
remaining  provisions of the License  Agreement shall continue in full force and
effect.

[******] Certain  information on this page has been omitted and filed separately
with the Securities  and Exchange  Commission.  Confidential  treatment has been
requested with respect to the omitted portions.


<PAGE>

McKESSON CORPORATION                                AVANTGO, INC.


/s/ Ivan D. Meyerson                               /s/ Richard Owen
-------------------------                          --------------------------
Signature                                          Signature


Ivan D. Meyerson                                   Richard Owen
-------------------------                          --------------------------
Name (Print or Type)                               Name (Print or Type)


Senior Vice President                              Chief Executive Officer
-------------------------                          --------------------------
Title                                              Title


August 23, 2001                                    August 17, 2001
-------------------------                          --------------------------
Date                                               Date




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