AMERICAN DENTAL PARTNERS INC
AMEND. #6 TO AMENDED AND RESTATED 1996 DIRECTORS STOCK OPTION PLAN
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<TYPE>EX-10.(T)
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<DESCRIPTION>AMEND. #6 TO AMENDED AND RESTATED 1996 DIRECTORS STOCK OPTION PLAN
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<TITLE>Amend. #6 to Amended and Restated 1996 Directors Stock Option Plan</TITLE>
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<P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>EXHIBIT 10(t)
</B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>AMENDMENT NO. 6 </B></FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>TO </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"
COLOR="#000000"><B>AMERICAN DENTAL PARTNERS, INC. </B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>AMENDED AND RESTATED 1996 DIRECTORS STOCK OPTION PLAN
</B></FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">The American Dental Partners, Inc. Amended
and Restated 1996 Directors Stock Option Plan, as previously amended (the &#147;Plan&#148;), is hereby amended pursuant to the following provisions: </FONT></P><P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">1.<I>&nbsp;&nbsp;&nbsp;&nbsp;Definitions</I> </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">All capitalized terms used in this amendment which are not otherwise defined herein shall have the respective meanings given such terms in
the Plan. </FONT></P><P STYLE="margin-top:0px;margin-bottom:-6px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">2.<I>&nbsp;&nbsp;&nbsp;&nbsp;Shares
Subject To Plan</I> </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">The total number of Shares
for which Options may be granted under the Plan, as provided under &#167;4 of the Plan, as previously adjusted and increased, is increased by 75,000 Shares to a total of 260,000 Shares. </FONT></P><P STYLE="margin-top:0px;margin-bottom:0px"><FONT
SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">3.<I>&nbsp;&nbsp;&nbsp;&nbsp;Effective Date; Construction</I> </FONT></P><P
STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P><P STYLE="margin-top:0px;margin-bottom:0px; text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">The effective date of this amendment is May 2, 2003, and this
amendment shall be deemed to be a part of the Plan as of such date. In the event of any inconsistencies between the provisions of the Plan and this amendment, the provisions of this amendment shall control. Except as modified by this amendment, the
Plan shall continue in full force and effect without change. </FONT></P>
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