NISKA GAS STORAGE PARTNERS L

CUSIP: 654678101 Class: UNIT LTD

RIVERSTONE HOLDINGS LLC's Holding History (CIK: 0001247497)

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

Q2 2016
Shares 20,488,525 Value ($000) $86,052 Avg Close — Range —
Q1 2016
Shares 20,488,525 Value ($000) $73,554 Avg Close — Range —
Q4 2015
Shares 20,488,525 Value ($000) $64,129 Avg Close — Range —
Q3 2015
Shares 20,488,525 Value ($000) $63,719 Avg Close — Range —
Q2 2015
Shares 20,488,525 Value ($000) $75,398 Avg Close — Range —
Q1 2015
Shares 20,464,140 Value ($000) $36,631 Avg Close — Range —
Q4 2014
Shares 20,464,140 Value ($000) $60,574 Avg Close — Range —
Q3 2014
Shares 19,124,742 Value ($000) $238,677 Avg Close — Range —
Q2 2014
Shares 17,500,000 Value ($000) $269,325 Avg Close — Range —
Q1 2014
Shares 17,404,962 Value ($000) $252,720 Avg Close — Range —
Q4 2013
Shares 17,404,962 Value ($000) $256,897 Avg Close — Range —
Q3 2013
Shares 17,404,962 Value ($000) $268,907 Avg Close — Range —
Q2 2013
Shares 16,992,245 Value ($000) $253,864 Avg Close — Range —