SUMMIT MATLS INC

CUSIP: 86614U100 Class: Common Stock

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q4 2018
Shares 92,611 Value ($000) $1,148 Avg Close — Range —
Q2 2016
Shares 283,632 Value ($000) $5,803 Avg Close — Range —
Q1 2016
Shares 312,175 Value ($000) $6,072 Avg Close — Range —
Q4 2015
Shares 182,198 Value ($000) $3,651 Avg Close — Range —