NORTHEAST UTILS

CUSIP: 664397106 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

Note: Option positions (PUT/CALL) are excluded.

Q4 2014
Shares 246,502 Value ($000) $13,193 Avg Close — Range —
Q3 2014
Shares 232,432 Value ($000) $10,297 Avg Close — Range —
Q2 2014
Shares 413,307 Value ($000) $19,537 Avg Close — Range —
Q1 2014
Shares 351,337 Value ($000) $15,986 Avg Close — Range —
Q4 2013
Shares 351,077 Value ($000) $14,882 Avg Close — Range —
Q3 2013
Shares 357,777 Value ($000) $14,758 Avg Close — Range —
Q2 2013
Shares 375,707 Value ($000) $15,787 Avg Close — Range —