Shape.Callout (Excel)

Returns a CalloutFormat object that contains callout formatting properties for the specified shape. Applies to a Shape object that represent line callouts.

With Worksheets(1).Shapes 
 .AddShape msoShapeOval, 180, 200, 280, 130 
 With .AddCallout(msoCalloutTwo, 420, 170, 170, 40) 
 .TextFrame.Characters.Text = "My oval" 
 With .Callout 
 .Accent = True 
 .Border = False 
 End With 
 End With 
End With