WorldSpace, which provides satellite-based digital radio services in Asia, Europe and Africa, is raising about $147 million in its IPO. It has raised the expected price of its planned share price to $18 to $20 per share, from $16 to $18.

The Washington D.C-based company also said in filing that XM Satellite Radio would buy $25 million of its stock. XM will also get warrants for the right to buy another $37.5 million in WorldSpace stock.