UNISOURCE ENERGY CORP

CUSIP: 909205106 Class: COM

Northwest & Ethical Investments L.P.'s Holding History (CIK: 0002033536)

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

Q1 2012
Shares 7,700 Value ($000) $282 Avg Close — Range —
Q4 2011
Shares 6,260 Value ($000) $231 Avg Close — Range —
Q3 2011
Shares 5,500 Value ($000) $198 Avg Close — Range —
Q2 2011
Shares 5,425 Value ($000) $203 Avg Close — Range —
Q1 2011
Shares 4,915 Value ($000) $178 Avg Close — Range —
Q4 2010
Shares 2,300 Value ($000) $82 Avg Close — Range —