The record of shareholders of Endesa Costanera is at Caja de Valores S.A.

Caja de Valores S.A
Address: 25 de Mayo 362 PB
(C1002BH) Ciudad Autónoma de Buenos Aires
República Argentina
Telephone number: (+54 11) 4317 8900
Fax number: (+54 11) 4317 8967
Web Site: www.cajaval.sba.com.ar

Daily schedule for public attendance is Monday through Friday from 9.30 AM to 15.00 PM.