Sigma Labs, Inc. Teams With US-based Machine Tool Manufacturer to Enhance Productivity for Fortune 50 Customers in Europe

SANTA FE, N.M., June 30, 2011 /PRNewswire/ — Sigma Labs, Inc. (OTCBB:SGLB.OB)
announced today that it received a contract from MTI – Manufacturing Technology
Inc., a US-based manufacturer of machine tools located in South Bend, IN, to
help assist MTI’s customers in Europe as they seek to enhance productivity.

Mark Cola, President of Sigma Labs, explains that “MTI sought us out based on
our sensing and monitoring expertise to assist some of their Fortune 50 heavy
industrial manufacturing customers in Europe to maintain machine uptime. We are
pleased to team with MTI on this effort, and we are in further discussions
relating to the potential to get our In-Process Quality Assurance (IPQA)
technology onto MTI platforms worldwide.” John Talkington, newly hired Director
of Engineering at Sigma Labs, adds that “we expect this initial effort to grow
into greater collaborations and the development of new predictive maintenance
solutions for critical production needs worldwide.”

About Sigma Labs, Inc.

Sigma Labs, Inc. comprises leading scientists and engineers from Los Alamos
National Laboratory with over 75 years of combined industrial R&D experience and
has become a developer of manufacturing and materials technologies and an
important R&D provider to first-tier integrators, including Boeing, Honeywell,
and Pratt & Whitney, as well as to commercial firms within the United States and
internationally. Sigma Labs, Inc. currently has contracts with both the federal
Government and private industry to develop technologies from their conception
through the design, building, and testing of prototype systems. Sigma Labs, Inc.
is aggressively designing and developing innovative sensing, software products,
materials technologies and other unique manufacturing quality assurance
solutions for the federal Government and our commercial clients. Visit Sigma
Labs at www.sigmalabsinc.com.

Forward-Looking Statements

This news release contains forward-looking statements that reflect Management’s
current views about future events and financial performance. Forward-looking
statements often contain words such as “expects,” “anticipates,” “intends,”
“believes” or “will.” Our forward-looking statements are subject to a number of
risks and uncertainties that may cause actual results and events to differ
materially from those projected in the forward-looking statements. Risks and
uncertainties that could adversely affect us include, without limitation, the
loss of major customers, our failure to obtain new contracts, our inability to
patent products or processes, our infringement of patents held by others, our
inability to finance our business and the other risks and uncertainties that are
discussed in our most recent filings with the Securities and Exchange
Commission, including our most recent annual report on Form 10-K and our Report
on Form 8-K that was filed in connection with the transaction we recently
completed with B6 Sigma. The forward-looking statements in this news release are
made only as of the date of this news release. We undertake no obligation to
update our forward-looking statements, whether as a result of new information,
future events or otherwise.

SOURCE Sigma Labs, Inc.