Oct 27 (Reuters) - MTN Nigeria said the European Investment Bank has agreed to invest 100 million euros ($99.95 million) to support the company's telecommunication network expansion.

The biggest Nigerian mobile telecoms company said on Wednesday the investment would be the largest ever EIB financing for high-speed telecom in Africa.

The investment will benefit more than 74 million users and will expand 4G network coverage in Lagos and Ogun states, the company said. ($1 = 1.0005 euros) (Reporting by Amna Karimi in Bengaluru; Editing by Shinjini Ganguli)