The European Investment Bank (EIB) and Spain’s Banco Santander SA (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Banco-Santander-ES0113900J37" target="_blank">BME:SAN</a>) have signed a EUR-500-million (USD 517m) counter-guarantee agreement to support wind power equipment manufacturers in Europe, the EIB said on Tuesday.