STERLING INFRASTRUCTURE, INC. — Director's Dealing 2008

Aug 1, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STERLING CONSTRUCTION CO INC (STRL)
CIK: 0000874238
Period of Report: 2008-08-01

Reporting Person: HARPER JOSEPH P SR (Director, President & COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-08-01	Common Stock	S	800	$20	Disposed	537607	Direct
2008-08-01	Common Stock	S	100	$20.01	Disposed	537507	Direct
2008-08-01	Common Stock	S	200	$20.03	Acquired	537307	Direct
2008-08-01	Common Stock	S	100	$20.04	Disposed	537207	Direct
2008-08-01	Common Stock	S	100	$20.05	Disposed	537107	Direct
2008-08-01	Common Stock	S	100	$20.06	Disposed	537007	Direct
2008-08-01	Common Stock	S	100	$20.07	Disposed	536907	Direct
2008-08-01	Common Stock	S	100	$20.22	Disposed	536807	Direct

Footnotes

F1: These shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on August 14, 2007.