Press Release: MidOcean Partners and Wasserstein Co., LP today announced an agreement for co-ownership of Prism Business Media, upon completion of Prism’s previously announced acquisition of Penton Media. Under the agreement, MidOcean Partners will acquire a 50% ownership interest in the combined Prism/Penton entity from Wasserstein Co. and its investment partners, Highfields Capital Management and Lexington Partners.