2 q09 earnings_presentation_final

1 q09 financial-supplement

2 q09 erf_supplement_final

1 q2010 supplement

2 q10 erf_supplement_7-14-10_final (3)

2 q10 erf_supplement_7-14-10_final (1)

2 q11 erf_supplement_final

3 q13 earnings_earnings_supplement

1 q11 erf_supplement_final

3 q09 earnings_presentation_final

2 q10 earnings_presentation

1 q2010 presentation

1 q09 investor-presentation

3 q10 earnings_presentation (1)

3 q10 earnings_presentation (2)

3 q10 earnings_presentation (3)

3 q10 earnings_presentation (4)

2 q11 earnings_presentation_final

2 q09 earnings_press_release_final (1)

1 q09 earnings_press_release_final (2)