Sterling Construction Divestiture

This announcement appears as a matter of record only

Logo: Sterling Construction Company, Inc.

has sold

Logo: Steel City Products

to

Logo: The Bostwick-Braun Company

The undersigned initiated the transaction, acted as financial advisor to, and assisted with the negotiations as the representative of Sterling Construction Company, Inc.

a member of
M&A Worldwide

Securities transactions conducted by FOCUS Securities LLC, an affiliated company, registered broker dealer and member FINRA/SIPC.

About Bostwick-Braun Company

The Bostwick-Braun Company is a wholesale hardware distributor, supplying both retail and commercial/industrial customers throughout the Midwest region. Bostwick is the oldest and largest full service general-line distributors in the country. The Bostwick- Braun Company was established in 1855 and is headquartered in Toledo, Ohio. The company’s reputation extends nationwide because it strives to give the best service the industry has to offer. Bostwick Braun employee owners are committed to excellence, innovation, and professionalism. The company has three locations with its headquarters location in Toledo as well as a 280,000 square foot distribution center in Ashley, Indiana and a 20,000 square foot branch office and distribution center in Lorain, Ohio. For more information about Bostwick-Braun, visit www.bostwick-braun.com

About Steel City Products

The Company is a leading wholesale distributor of automotive, lawn & garden and non-food pet care products primarily to supermarkets as well as drug stores, hardware stores and other general merchandise retailers. Steel City Products has established a dominant position in the automotive “soft” parts category. The Company’s product line of more than 7000 SKUs from 250 manufactures includes functional and decorative care and truck accessories, car care products, chemicals and car repair and maintenance items. Recent additions to the product line include non-food pet supplies and lawn and garden chemicals equipment and supplies. Steel City has its main warehouse facility of 67,000 square feet in McKeesport, Pennsylvania and a warehouse annex located in Glassport, Pennsylvania.

About Sterling Construction Company (NASDAQ GS: STRL)

Sterling is a leading civil construction company that specializes in the building and reconstruction of transportation and water infrastructure in large and growing markets in Texas. The Company’s transportation infrastructure projects include highways, road, bridges and light rail. The Company’s infrastructure water projects include water, wastewater and storm drainage systems. Sterling provides general contracting services primarily to public sector clients utilizing its own employees and equipment for activities including excavating, paving, pipe installation and concrete placement. The Company was founded in 1955. For more information about Sterling Construction Company, visitwww.sterlingconstructionco.com

About FOCUS

FOCUS, founded in 1982 in Washington, DC, provides a range of investment banking services tailored to the needs of middle market businesses. Today the firm is national in scope, serving clients from offices in major cities across the United States. FOCUS specializes in serving businesses with revenue or transaction sizes between $5-300 million, serving entrepreneurs, corporate owners, and various types of investors. FOCUS has over 20 investment banking professionals in its four offices in Atlanta, Chicago, San Francisco, and Washington, DC. To find out more about the specialized services of FOCUS, visit www.focusbankers.com.