(Telecompaper) African telecom infrastructure provider IHS and Helios Towers Nigeria have entered into an agreement under which IHS will acquire HTN's portfolio of 1,211 diversified tower sites throughout Nigeria. Subject to the usual regulatory approvals, IHS will acquire the entire issued share capital of HTN from HTN Towers, which is ultimately owned by Helios Investment Partners, Pembani Group, First City Monument Bank and other minority shareholders. No financial details were disclosed.