Pampa Energia S.A. ADR (NY: PAM )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 28, 2010	10.25	10.25	10.16	10.25	132,923	+0.02(+0.20%)
May 27, 2010	10.23	10.25	9.870	10.23	14,205	+0.18(+1.79%)
May 26, 2010	10.21	10.25	10.03	10.05	59,024	-0.16(-1.57%)
May 25, 2010	10.01	10.23	9.990	10.21	13,300	+0.09(+0.89%)
May 24, 2010	10.15	10.31	9.890	10.12	3,800	-0.10(-0.98%)
May 21, 2010	10.22	10.25	10.09	10.22	33,490	+0.08(+0.79%)
May 20, 2010	10.01	10.20	10.00	10.14	107,043	-0.16(-1.55%)
May 19, 2010	10.34	10.38	10.15	10.30	187,200	-0.09(-0.87%)
May 18, 2010	10.28	10.39	10.00	10.39	48,990	+0.19(+1.86%)
May 17, 2010	10.44	10.44	10.18	10.20	27,700	-0.20(-1.92%)
May 14, 2010	10.40	10.59	10.35	10.40	296,443	-0.21(-1.98%)
May 13, 2010	10.62	10.71	10.50	10.61	19,697	-0.06(-0.56%)
May 12, 2010	10.64	10.67	10.52	10.67	13,577	+0.01(+0.09%)
May 11, 2010	10.75	10.90	10.42	10.66	102,009	-0.14(-1.30%)
May 10, 2010	10.86	10.92	10.68	10.80	15,677	+0.36(+3.45%)
May 07, 2010	10.26	10.50	10.02	10.44	56,488	+0.16(+1.56%)
May 06, 2010	10.81	10.85	10.00	10.28	272,100	-0.40(-3.75%)
May 05, 2010	10.67	10.76	10.53	10.68	29,150	-0.12(-1.11%)
May 04, 2010	10.94	10.95	10.76	10.80	29,102	-0.15(-1.37%)