<customUI xmlns="http://schemas.microsoft.com/office/2006/01/customui">                 
	<ribbon>                                                                              
		<contextualTabs>                                                                    
			<tabSet idMso="TabSetChartTools">                                                 
				<tab idMso="TabChartToolsLayout">                                               
					<group id="grpManipulatePoints" label="Excel Add-In">                         
						<button id="btnManipulatePoints" imageMso="ChartMoreElement"                
						size="large" label="Manipulate Points" onAction="ribbonLaunchButton_click"/>
					</group>                                                                      
				</tab>                                                                          
			</tabSet>                                                                         
		</contextualTabs>                                                                   
	</ribbon>                                                                             
</customUI>                                                                             