Filed by The PNC Financial Services Group, Inc.
                       Pursuant to Rule 425 under the Securities Act of 1933 and
     deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934

                                       Subject Company:  United National Bancorp
                                                   Commission File No. 000-16931

         The Agreement and Plan of Merger, dated as of August 21, 2003, by and
among The PNC Financial Services Group, Inc. ("PNC"), PNC Bancorp, Inc. and
United National Bancorp was filed by PNC under cover of Form 8-K on September 2,
2003 and is hereby incorporated by reference into this filing.