"Thames Valley Police is appealing for information following an incident of exposure in Caversham.
The victim, a teenage girl was walking in Morecombe Avenue at about 3.25pm on Monday (13/9).
A man then approach the victim and exposed himself to her.
The offender is described as a white man and about 5ft 5ins tall. He was wearing a black rainproof jacket with the hood up and dark trousers.
Investigating officer PC Mark Stubbs said: “We are appealing to anyone who may have seen a man acting suspiciously in the vicinity of Morecombe Avenue on Monday afternoon, or anyone with footage, whether that be from CCTV, dashcam or doorbell camera in the area to contact the force.
“You can contact the force via our website or by calling 101, quoting investigation reference 43210412623.”