Star Equity Holdings Inc.

Star Equity Holdings Inc is a diversified holding company with three divisions: Healthcare, Construction, and Investments. Healthcare division, which operates as Digirad Health and provides products and services in the area of nuclear medical imaging with a focus on cardiac health. Construction division is made up of three operating businesses, KBS Builders, Inc. (KBS), EdgeBuilder, Inc., and Glenbrook Building Supply, Inc. Investments division is an internally focused unit directly supervised by Star Equity management. This entity currently holds corporate-owned real estate, which currently includes three manufacturing facilities in Maine that are leased to KBS, as well as any minority investments made in public and private companies.