NISKA GAS STORAGE PARTNERS L

CUSIP: 654678101 Class: UNIT LTD

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q1 2015
Shares 32,271 Value ($000) $58 Avg Close — Range —
Q4 2014
Shares 86,932 Value ($000) $257 Avg Close — Range —
Q3 2014
Shares 12,689 Value ($000) $158 Avg Close — Range —