Main Street Capital Investor Day Presentation Deck

Main Street's View of Transaction and Background Headquarters San Francisco, California Business Business to business media and technology company connecting practitioners in the science, healthcare, and industrial spaces with product manufacturers via generated qualified sales leads Website www.comparenetworks.com Original Investment Date January 2019 Investment Type First lien, senior secured term loan Majority equity investment Transaction Type Majority Recapitalization, Management Buyout Original Capital Invested $11.0 million total (100% MAIN) $9.0 million senior debt $2.0 million equity ● ● Additional Capital Invested $2.0 million total (100% MAIN) $2.0 million senior debt to support the Global Spec acquisition Overview Founded in 2000, Compare Networks, Inc. ("CompareNetworks" or the "Company"), is a leading provider of media, marketing, and technology solutions that drive revenue for life science, healthcare product manufacturers, and engineering firms across several proprietary platforms ■ ■ ■ CompareNetworks Attractive Recuring Revenue Model with Diversified Blue-chip Customer Base The Company provides advanced marketing solutions to an array of blue-chip customers that are leaders in the life sciences, industrial, healthcare, chemistry, and applied sciences laboratory products markets I The Company provides life scientists, researchers, lab-based professionals, pharmaceutical professionals, healthcare professionals, and engineers with digital tools and information resources on these platforms to research, identify, and determine which products and technologies to use, resulting in the generation of qualified leads and eventual product sales for advertisers I Compare Networks operates several online platforms including, but not limited to: Biocompare, the leading online research tool database; Labcompare, a leading online laboratory equipment product comparison service; and GlobalSpec, an online parts spec database providing engineers with parts data, relevant news, articles, and engineering datasheets; The Company also provides a software-as-a-service sales enablement tool named imSMART Alignment with Motivated, Experienced Management Team The initial transaction was to structured to allow the existing members of management to increase or acquire ownership interests in the Company via (i) rollover or cash contribution at close and (ii) through an equity incentive plan designed to allow management to participate in the equity upside of growth experienced by CompareNetworks Compare Networks benefits from contracted, recurring revenue derived from annual fixed-fee product listing contracts, pay per click product listings, banner advertisements, email blasts, and other direct engagement solutions Since closing, the management team has benefitted from the growth of the business through the execution of organic and inorganic initiatives and through the establishment of a scheduled dividend plan 2

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