BIOTIME INC
EXHIBIT 10.19
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<TYPE>EX-10.19
<SEQUENCE>3
<FILENAME>f97551exv10w19.htm
<DESCRIPTION>EXHIBIT 10.19
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<P align="right" style="font-size: 10pt"><B>Exhibit&nbsp;10.19</B>



<P align="center" style="font-size: 10pt"><B>ADDENDUM No.&nbsp;5 TO LEASE</B>



<P align="left" style="margin-left: 0%; text-indent: 0%; margin-right: 0%; font-size: 10pt">This is an Addendum to the Lease dated June&nbsp;1, 1993 in which BioTime, Inc., a
California corporation, is referred to as &#147;Lessee.&#148; The following changes are
hereby incorporated. In the event of a conflict of terms, those of this
ADDENDUM shall prevail.


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<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" nowrap align="right">1.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Regarding Paragraph&nbsp;1: The term shall be extended an additional
one (1)&nbsp;year commencing April&nbsp;1, 2004 and terminating March&nbsp;31, 2005.</TD>
</TR>

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    <TD colspan="5">&nbsp;</TD>
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<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="4%" nowrap align="right">2.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Base Rent shall remain $11,696 per month for the lease term.</TD>
</TR>

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<P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Lessee and Lessor shall each have the right to terminate the Lease at
anytime by giving the other written notice no less than Ninety (90)&nbsp;days in
advance.

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    <TD width="10%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;/s/ Judith Segall
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;12, 2004</TD>
</TR>

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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><HR size="1" noshade></DIV></TD>
    <TD>&nbsp;</TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><HR size="1" noshade></DIV></TD>
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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">for BioTime, Inc., Lessee
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Date</TD>
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    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
    <TD width="55%">&nbsp;</TD>
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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Its
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Vice President- Operations</TD>
    <TD>&nbsp;</TD>
</TR>

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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><HR size="1" noshade>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Member, Office of the President</TD>
    <TD>&nbsp;</TD>
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    <TD>&nbsp;</TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><HR size="1" noshade></DIV></TD>
</TR>

<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">for BioTime, Inc., Lessee
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Date</TD>
</TR>

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</TABLE>
</DIV>


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    <TD width="1%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="25%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Its
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><HR size="1" noshade></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;/s/ Donn Logan
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;12, 2004</TD>
</TR>

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    <TD align="left" valign="top"><HR size="1" noshade></TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>


    <TD>&nbsp;<HR size="1" noshade></TD>
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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Donn Logan, Lessor
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Date</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>

<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;/s/ Marcy Li Wong
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;12, 2004</TD>
</TR>

<TR style="font-size: 1px">
    <TD align="left" valign="top"><HR size="1" noshade>&nbsp;</TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;<HR size="1" noshade></TD>

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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Marcy Li Wong, Lessor
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Date</TD>
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