UNS ENERGY CORP

CUSIP: 903119105 Class: COM

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q2 2014

Shares 205,410 Value ($000) $12,409 Avg Close — Range —

Q1 2014

Shares 205,410 Value ($000) $12,366 Avg Close — Range —

Q4 2013

Shares 205,410 Value ($000) $12,294 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	205,410	$12,409	—	—
Q1 2014	205,410	$12,366	—	—
Q4 2013	205,410	$12,294	—	—