MEDNAX INC

Ticker: MD CUSIP: 58502B106 Class: EQTY

ORBIMED ADVISORS LLC's Holding History (CIK: 0001055951)

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

Q3 2018

Shares 1,469,300 Value ($000) $68,558 Avg Close $45.91 Range $42.31 - $48.77

Q2 2018

Shares 862,600 Value ($000) $37,333 Avg Close $47.92 Range $42.12 - $56.46

Q1 2018

Shares 370,000 Value ($000) $20,583 Avg Close $54.82 Range $48.74 - $63.04

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	1,469,300	$68,558	$45.91	$42.31 - $48.77
Q2 2018	862,600	$37,333	$47.92	$42.12 - $56.46
Q1 2018	370,000	$20,583	$54.82	$48.74 - $63.04