952.974.4000 Follow Us ABOUT SERVICES SUCCESS STORIES CAREERS INVESTORS RESOURCES CONTACT Investor Center High Wire Networks, Inc. is a leading global technology systems integrator and managed cybersecurity solutions provider, enabling partners to minimize overhead while extending delivery capabilities around the world. Our flexible workforce delivers vendor-agnostic technical field, professional, and security services in more than 180 countries. Share Price SGSI Spectrum Global Solutions, Inc. Common Stock SGSI 0.275 0.000 -0.109% COMPANY OFFICERS Mark W. Porter, CEO Dan Sullivan, CFO BOARD OF DIRECTORS Mark W. Porter Stephen LaMarche Peter Kruse MEET THE BOARD INVESTOR RELATIONS Contact Information investors@highwirenetworks.com News and Press Releases High Wire Wins $3.5 Million Technology Solutions Contract for Tier One Network Service Provider - November 16, 2021 High Wire Networks Releases Third Quarter 2021 Results - November 15, 2021 High Wire Networks Hires Veteran Technology Field Services Executive to Lead Global Command Center Services - November 10, 2021 High Wire Networks Closes Acquisition of Wholesale Voice and Data Network Services Provider - November 4, 2021 High Wire Networks Wins Multimillion-Dollar Technology Solutions Contract for Tier One Network Services Provider - October 14, 2021 High Wire Networks Launches Overwatch Ransomware Kill Switch Powered by Airgap - September 30, 2021 High Wire Networks Hires EVP of Finance to Accelerate Uplist to Nasdaq - September 28, 2021 High Wire Networks Reports Record Revenue Gains in July for Managed Cybersecurity Division - August 31, 2021 Spectrum Global Solutions Shows Positive Operating Income and Increased Net Shareholder Equity, Working Towards Market Uplisting - August 27, 2021 High Wire Networks Delivers 24/7 Management to Endpoint Detection and Response in Overwatch Managed Security Marketplace - July 27, 2021 High Wire Networks Expands Global Technology Channel to Support System Integrators - July 21, 2021 Spectrum Global Solutions Announces Closing of Merger with High Wire Networks - June 16, 2021 High Wire Networks Wins $1.3 Million Electrical Services Deal for National Commercial Packaging Company’s New Headquarters - June 1, 2021 High Wire Networks Wins $1.3 Million Managed Services and Maintenance Program for National Garbage and Recycling Services Company - May 25, 2021 Spectrum Global Solutions Announces Transition Services Agreement with High Wire Networks - May 12, 2021 High Wire Networks Names Don Schmidt as Executive Vice President of Technology Solutions - May 6, 2021 High Wire Networks Wins $1.6M Contract for Global Online Retailer - April 22, 2021 High Wire Networks Launches Overwatch Managed Firewall Enabling MSP Partners to Boost MRR - April 20, 2021 Spectrum Global Solutions Announces Agreement to Acquire Wholesale Voice and Data Network Services Provider with Nationwide Presence - April 13, 2021 SGSI Update from CEO Mark Porter - April 5, 2021 1 2 > Next Awards & Achievements Contact High Wire About High Wire Networks Founded in 2000 with a singular focus on delivering world-class service through channel partners and never direct. 24x7x365 around the globe, High Wire is the choice to GET WORK DONE. Work for High Wire Networks? Join a fast paced, flexible environment with plenty of opportunities for personal growth and advancement. Contact Us 30 N Lincoln Street | Batavia, IL 60510 Service Help Line: | 952.974.4000