1 EXHIBIT 4.6 [UNIONBANCORP, LOGO] NUMBER SHARES ------ ------ INCORPORATED UNDER THE LAWS PAR VALUE $1.00 OF THE STATE OF DELAWARE THIS CERTIFIES that SEE REVERSE FOR CERTAIN DEFINITIONS is the owner of FULLY PAID AND NON-ASSESSABLE SHARES OF THE CAPITAL STOCK, PAR VALUE $1.00 PER SHARE, OF UNIONBANCORP, INC. (hereinafter called the "Corporation") transferable on the books of the Corporation, in person or by duly authorized attorney, upon surrender of this Certificate properly endorsed. This Certificate and the shares represented hereby are issued under and shall be subject to all of the provisions of the Certificate of Incorporation and By-Laws of the Corporation and of the amendments thereto, copies of which are on file with and obtainable upon request from the Corporation, to all of which the holder, by acceptance hereof, assents. IN WITNESS WHEREOF the Corporation has caused this Certificate to be signed by its duly authorized officers and its seal to be hereunto affixed. DATED - ----------------------------------- ---------------------------------- SECRETARY PRESIDENT 2 The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - as tenants in common UNIF GIFT MIN ACT-_______CUSTODIAN______ TEN ENT - as tenants by the entireties (Cust) (Minor) JT TEN - as joint tenants with right of under Uniform Gifts to Minors suvivorship and not as tenants Act__________________________ in common (State) Additional abbreviations may also be used though not in the above list. For value received,________________________ hereby sell, assign and transfer unto PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE ___________________________________________________________________________ ______________________________________________________________________________ PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS OF ASSIGNEE ______________________________________________________________________________ ______________________________________________________________________________ _________________________________________________________________________Shares of the Stock represented by the within Certificate and do hereby irrevocably constitute and appoint _____________________________________________________________________Attorney, to transfer the said stock on the books of the within-named Corporation with full power of substitution in the premises. Dated___________________ X____________________________________________ X NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE, IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT, OR ANY CHANGE WHATEVER. Signature Guaranteed By: __________________________ __________________________ Banker or Member Firm of a major Stock Exchange THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR ANY APPLICABLE STATE LAW, AND SUCH SHARES MAY NOT BE SOLD OR OTHERWISE TRANSFERRED UNLESS (A) THEY ARE REGISTERED UNDER THE ACT AND ANY APPLICABLE STATE LAW OR (B) SUCH SALE OR TRANSFER IS EXEMPT FROM SUCH REGISTRATION AND THE CORPORATION HAS RECEIVED AN OPINION OF COUNSEL ACCEPTABLE TO IT TO THE EFFECT THAT SUCH SALE OR TRANSFER IS SO EXEMPT.