AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

Alta Park Capital, LP's Holding History (CIK: 0001621855)

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

Q1 2017

Shares 41,000 Value ($000) $4,983 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 40,000 Value ($000) $4,227 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 39,700 Value ($000) $4,499 Avg Close $90.38 Range $85.02 - $93.47

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	41,000	$4,983	$87.85	$81.86 - $97.31
Q4 2016	40,000	$4,227	$86.33	$79.20 - $93.79
Q3 2016	39,700	$4,499	$90.38	$85.02 - $93.47