MACROGENICS INC

Ticker: MGNX CUSIP: 556099109 Class: COM

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q1 2016

Shares 517,920 Value ($000) $9,711 Avg Close $19.04 Range $14.84 - $30.66

Q4 2015

Shares 517,920 Value ($000) $16,040 Avg Close $30.38 Range $19.67 - $36.11

Q3 2015

Shares 557,000 Value ($000) $11,931 Avg Close $31.37 Range $20.29 - $39.90

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	517,920	$9,711	$19.04	$14.84 - $30.66
Q4 2015	517,920	$16,040	$30.38	$19.67 - $36.11
Q3 2015	557,000	$11,931	$31.37	$20.29 - $39.90