WESTLAKE CHEM PARTNERS LP

Ticker: WLKP CUSIP: 960417103 Class: COM UNIT RP LP

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

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

Q3 2015
Shares 14,100 Value ($000) $247 Avg Close — Range —
Q3 2014
Shares 361,225 Value ($000) $10,476 Avg Close — Range —