Jake Libby and Adam Finch safely negotiated 5 overs as Worcestershire closed on 14-0.
After Somerset had been despatched in, Sean Dickson was dropped earlier than scoring however it didn’t show a pricey miss as he fell lbw for 16 in Matthew Waite’s first over.
The return of Ben Gibbon led to a second breakthrough as Matt Renshaw (30) edged to slide to make it 81-2 earlier than Leach got here again to the assault after lunch and had Tom Lammonby (34) snapped up by Holder at second slip.
Banton was overwhelmed twice in an over from Waite as Worcestershire looked for additional success however it was Holder who did the harm, dismissing Umeed three runs in need of his maiden first-class half-century for Somerset, earlier than sending again Rew and Gregory cheaply.
Waite claimed a deserved second wicket when he trapped Kasey Aldridge lbw after tea, making it 210-7, however Banton and Pretorius helped Somerset previous 300.