Royal Mail valuation up to £3.3bn
Shares are expected to be priced at between 260p and 330p, giving a market valuation in the range of £2.6 billion and £3.3 billion.
Unconditional dealings in the stock will start on October 15, which is the day before voting closes in a ballot by the Communication Workers Union (CWU) over whether to back a campaign of industrial action on the sale. Any strike action would start a week later.
Around 150,000 eligible staff will be handed 10% of shares in the largest free stock offer of any privatisation in the UK over the past 30 years. This is equivalent to around £2,000 each at the mid-point of today's offer price range.