Dece mb er 31,

I NCOME ST A TE M E N T S

2010

2009

2010

2009

R e v e nu es

L i m e a n d li m e st o n e opera ti o n s

$27,079

$26,383

$125,169

$110,406

Na t u ral g as i n t ere st s

2,105

1,886

7,425

6,925

To t al

$29,184

$28,269

$132,594

$117,331

Gro s s pro f i t

L i m e a n d li m e st o n e opera ti o n s

$6,073

$5,743

$31,209

$24,344

Na t u ral g as i n t ere st s

1,024

1,337

4,832

4,409

To t al

$7,097

$7,080

$36,041

$28,753

Opera ti n g pro f i t

$4,909

$5,145

$27,665

$20,955

I n t ere s t e x pe n s e