Argentina

UBS Trading SA acting as Agent in the Open Market and providing Investment Banking Services.

UBS Trading SA-Agent No. 599 registered with Mercado Abierto Electronico SA - a self-regulated entity under CNB Resolution No. 9934/93.

UBS AG/UBS SA/ UBS Inc., ("UBS") is a corporation incorporated under the laws of Switzerland and headquartered in Zurich and Basel. UBS is listed in the Swiss Stock Exchange and the New York Stock Exchange. Kaspar Villiger is the Chairman of the UBS Board of Directors and Oswald J. Grübel is the Group's Chief Executive Officer.

UBS AG
Bahnhofstrasse, 45
P.O. Box 8098
Zürich
(Switzerland)
+41 44 234 11 11

UBS AG
Aeschenvorstadt 1
P.O. Box 4051
Basile
(Switzerland)
+41 61 288 50 50