Exclude div from UpdatePanel

Hi I have a div within an UpdatePanel which I need to exclude but it sits between all other elements that requires to be in the panel. 

E.g:

<asp:UpdatePanel ID="upPanel1" runat="server" UpdateMode="Conditional"><ContentTemplate><div1><div2><div3></ContentTemplate></asp:UpdatePanel>

I need to exclude <div2> from the updatepanel but at the same time it needs to be below <div1>. Is there a better way than setting div2 position to absolute? Thanks.