Abstract: A vacuum pumping system includes a vacuum pump and a soundproofing arrangement. The vacuum pump is accommodated in a pump housing. The soundproofing hood surrounds the pump housing and includes a hood air inlet and a hood air outlet. To improve dampening of the noise generated by the vacuum pumping system, one or more additional soundproofing shielding element(s) is/are provided between the hood air inlet and the pump housing air inlet and/or between the hood air outlet and the pump housing air outlet, respectively. The additional soundproofing shielding element(s) may be designed as a casing surrounding the pump housing and including a casing air inlet and a casing air outlet.