SPARK ENERGY INC

CUSIP: 846511103 Class: COM

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q1 2018
Shares 14,901 Value ($000) $177 Avg Close — Range —
Q4 2017
Shares 34,704 Value ($000) $431 Avg Close — Range —
Q3 2017
Shares 61,124 Value ($000) $917 Avg Close — Range —
Q2 2017
Shares 61,624 Value ($000) $1,159 Avg Close — Range —
Q1 2017
Shares 30,812 Value ($000) $985 Avg Close — Range —
Q4 2016
Shares 37,811 Value ($000) $1,146 Avg Close — Range —
Q3 2016
Shares 53,868 Value ($000) $1,570 Avg Close — Range —
Q2 2016
Shares 34,109 Value ($000) $1,128 Avg Close — Range —