CUSIP: 670008101 Class: COMMON STOCK
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2012 | 63,650 | $3,177 | — | — |
| Q4 2011 | 65,500 | $2,704 | — | — |
| Q3 2011 | 67,290 | $1,834 | — | — |
| Q2 2011 | 59,000 | $2,132 | — | — |
| Q1 2011 | 73,785 | $2,740 | — | — |
| Q4 2010 | 62,795 | $2,030 | — | — |