The Duke of Cambridge is to meet ex-offenders at a charity dinner on Wednesday.
Prince William will meet beneficiaries of the work of the St Giles Trust, which works with ex-offenders to help them break the cycle of committing crime.
The Prince spoke with staff on a visit to the St Giles Trust in 2009
The Duke, patron of the charity's 50th anniversary year, will attend The October Club dinner at the Savoy Hotel in London, and make a short speech.
The Trust offers practical support in areas such as housing, improving skills, employment opportunities and resettling into the community after prison.
The cornerstone of its work is to train serving prisoners and ex-offenders as advice workers, using the benefit of their own first-hand experiences.
More than one third of the workforce at the Trust today is made up of reformed ex-offenders.
In 1987 a group of city workers founded what was to become The October Club - an annual fundraising dinner at the Savoy. Each year, The October Club committee chooses a charity which will benefit from the money raised by the dinner. So far £8 million has been donated to 24 UK-based charities.
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