COMMVAULT SYSTEMS INC

Ticker: CVLT CUSIP: 204166102 Class: COM

BRIGHT ROCK CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001509973)

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

Q1 2014

Shares 10,000 Value ($000) $650 Avg Close $69.18 Range $61.28 - $77.51

Q4 2013

Shares 10,000 Value ($000) $749 Avg Close $78.27 Range $66.95 - $90.00

Q3 2013

Shares 4,000 Value ($000) $352 Avg Close $83.78 Range $74.77 - $89.71

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	10,000	$650	$69.18	$61.28 - $77.51
Q4 2013	10,000	$749	$78.27	$66.95 - $90.00
Q3 2013	4,000	$352	$83.78	$74.77 - $89.71