INVESTOR CONTACTS

INVESTOR RELATIONS
Darrow Associates, Inc. Chris Witty
cwitty@darrowir.com
646.438.9385

SHAREHOLDER SERVICES
shareholderservices@sigmalabsinc.com
505.438.2576 ext. 223

TRANSFER AGENT
Interwest Transfer Co., Inc. Melinda Orth
801-272-9294 ext. 15

SEC Filings (by filing date)

Proxy Statements

Corporate Compliance

Form 10K

Form 10Q

Form 8K

Form S-1/A2

INVESTOR EDUCATION

Sigma Labs, Inc. comprises leading scientists and engineers from Los Alamos National Laboratory with over 100 years of combined industrial R&D experience. They develop manufacturing and materials technologies and R&D solutions for first-tier integrators like Boeing, GE Aviation, Honeywell Aerospace, and other commercial firms around the globe. Sigma Labs, Inc. has current contracts with Federal Government and private industry clients to develop technologies from their conception through the design, building, and testing of prototype systems by integrating sensing, software, materials, and manufacturing technology risk-reduction solutions.

PRESENTATIONS