Financial terms of the settlement are not yet known.
He said NGN had unlawfully engaged more than 100 private investigators on 35,000 occasions over 16 years.
NGNs lawyer Anthony Hudson at that point was quoted by the BBC as saying: We are very close.
Prince Harry (middle) and David Sherborne (right)Leon Neal/Getty
The Prince was expected to fly over to give evidence next month.
He had previously indicated a refusal to settle, citing accountability.
Furthermore, Harrywas not able to bring claimsthat he was the victim of bugging and tracking devices.
Harry does have one more high-profile privacy trial to come, which is expected next year.
The Mails publisher has described the allegations as preposterous smears.