CSG Systems International Inc., a direct marketing services firm, will acquire DataProse Inc., a direct mail and billing statement services company, for $39 million.

The transaction is expected to close April 30.

CSG expects this acquisition will add approximately $15 million of revenue for the remainder of 2008, assuming an April 30 closing. CSG expects to incur certain acquisition-related charges and ongoing amortization of intangible assets related to this deal in 2008.

“We are excited to join forces with CSG, an established leader in statement presentment,” said Glenn Carter, DataProse’s co-founder and president, in a statement. “Our combined expertise and unmatched portfolio of capabilities will be of great benefit to our client base as they seek to improve and capitalize upon their client communications.”