install VS Express 2013 for Web, update 3.
install PTVS 2.1 b2.
Create Python application project
Click 'Debug' on main menu
Expect: Dropdown list with 'Exceptions...' option (to allow selective break on python exceptions)
Observe: 'Exceptions...' option not present.
Try Tools/Settings/Reset all and Tools/Settings/Import and Export/... Reset all. -- No change.
The option is
present if you install VS Isolated Shell + VS Integrated shell or VSE 2013 for Desktop.
Others report the option is missing in Web even if PTVS not installed.
But maybe you can do something at setup time to fix this for us?