Watch key moments from League Two victory
Gary Roberts struck a late penalty as Pompey beat Exeter to record a second successive victory.Curtis Main, Christian Burgess and Danny Rose all went close in the first half, but the visitors were unable to break the deadlock.
The winner did arrive five minutes before the end, however, when Kal Naismith was brought down in the box and Roberts stepped up to emphatically slam home.
Watch key moments from the game below or subscribe to Pompey PlayerHD for extended highlights.