WESTERN GAS PARTNERS LP

CUSIP: 958254104 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q1 2018
Shares 4,850 Value ($000) $207 Avg Close — Range —
Q4 2017
Shares 11,250 Value ($000) $541 Avg Close — Range —