STERLING INFRASTRUCTURE, INC. — Director's Dealing 2009

May 19, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STERLING CONSTRUCTION CO INC (STRL)
CIK: 0000874238
Period of Report: 2009-05-18

Reporting Person: MILLS CHRISTOPHER H B (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-05-18	Common Stock	S	4400	$17.1636	Disposed	165000	Indirect

Footnotes

F1: Each of North Atlantic Smaller Companies Investment Trust plc, Mr. Mills and North Atlantic Value LLP claims shared voting power over these shares in Amendment Number 4 to a Schedule 13G filed with the Securities and Exchange Commission on February 7, 2008.