WESTLAKE CHEM PARTNERS LP

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

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2014
Shares 100,000 Value ($000) $2,900 Avg Close — Range —
Q3 2014
Shares 75,000 Value ($000) $2,175 Avg Close — Range —