WESTERN GAS EQUITY PARTNERS

CUSIP: 95825R103 Class: CMN

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2017
Shares 5,575 Value ($000) $207 Avg Close — Range —
Q3 2017
Shares 5,575 Value ($000) $230 Avg Close — Range —
Q2 2017
Shares 5,025 Value ($000) $216 Avg Close — Range —
Q1 2017
Shares 4,950 Value ($000) $228 Avg Close — Range —