MPLX LP

Ticker: MPLX CUSIP: 55336V100 Class: COM UNIT REP LTD

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q4 2019

Shares 824,900 Value ($000) $21,002 Avg Close — Range —

Q3 2019

Shares 425,000 Value ($000) $11,904 Avg Close — Range —

Q2 2017

Shares 13,000 Value ($000) $434 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	824,900	$21,002	—	—
Q3 2019	425,000	$11,904	—	—
Q2 2017	13,000	$434	—	—