What is Sigma Labs, Inc.'s stock symbol?

Our stock is traded on the Nasdaq under the symbol SGLB.

Where is Sigma Labs, Inc. located?

3900 Paseo del Sol
Santa Fe, NM 87507

When is Sigma Labs, Inc.'s fiscal year end?

December 31st

Who is Sigma Labs, Inc.'s transfer agent?

Interwest Transfer Co., Inc.
1981 Murray Holladay Road
Suite 100
Salt Lake City, UT 84117
T: 801-272-9294
www.interwesttc.com

Who is Sigma Labs, Inc.'s independent auditor?

Haynie & Company
50 West Broadway
Suite 600
Salt Lake City, UT 84101
T: 801-532-7800

Who is Sigma Labs, Inc.'s outside legal counsel?

TroyGould PC
1801 Century Park East
Suite 1600
Los Angeles, CA, 90067