/Tx/ R James Ball

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
PWR $24.35 100 Director 21,401 2009-09-10 Filing
PWR $24.34 400 Director 21,501 2009-09-10 Filing
PWR $24.33 200 Director 21,901 2009-09-10 Filing
PWR $24.32 370 Director 22,101 2009-09-10 Filing