New York—The number of media deals rose 12.4% in the first half compared with same period last year, while the value of deals increased 78%, according to a report released Monday by media investment bank Jordan, Edmiston Group. The 399 transactions in the first half of this year had a combined value of $75.9 billion, compared with 355 deals valued at $42.6 billion in the first half of 2006. It was a mixed bag among the 11 media and information categories tracked by Jordan, Edmiston. There were 24 b-to-b magazine deals, up from 21 in the year-earlier period; the value rose to $2.3 billion, from $2.0 billion. Exhibition and conference deals totaled 38, up from 26, but the value fell 19.7% to $515 million, from $642 million. Online media deals totaled 120, up from 101, while the value rose 4.8% to $4.2 billion, from $4 billion.