PRIMORIS SVCS CORP

Ticker: PRIM CUSIP: 74164F103 Class: Common Stock

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q3 2015

Shares 41,000 Value ($000) $734 Avg Close $18.00 Range $15.97 - $20.00

Q2 2015

Shares 241,300 Value ($000) $4,778 Avg Close $19.10 Range $16.81 - $20.90

Q1 2015

Shares 383,700 Value ($000) $6,596 Avg Close $19.52 Range $16.70 - $23.70

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	41,000	$734	$18.00	$15.97 - $20.00
Q2 2015	241,300	$4,778	$19.10	$16.81 - $20.90
Q1 2015	383,700	$6,596	$19.52	$16.70 - $23.70