Notice of Launching a Large-Scale Advertising Campaign at Tokyo Metro Kasumigaseki Station

Shosukabu.com Co., Ltd. (Representative Director and Chairman: Yutaka Yamanaka, Headquarters: Nerima-ku, Tokyo, hereinafter 'the Company') announces that starting April 6, 2026, it has begun an intensive advertising campaign displaying advertisements on platform screen doors and near the ticket gates at Tokyo Metro Kasumigaseki Station.

At Kasumigaseki Station, which connects directly to the Bar Association building and the courts and is utilized by many legal professionals, the Company aims to expand recognition as an expert partner under the theme: 'The sale of unlisted shares, which tends to be outside the expertise even for legal pros.'

1. Background and Purpose of the Advertisement

Due to their nature, unlisted shares (shares with transfer restrictions) are often given up on as 'unsellable,' leading to troubles during inheritance and hindering asset utilization. Through this advertisement, directed at busy lawyers and tax accountants in their daily duties, as well as shareholders troubled by inheritance and other issues, the Company proposes solution options by concretely presenting the fact that 'unlisted shares can be sold' along with past examples where shares were purchased at '12 times the issuing company's proposed price.'

2. Advertising Campaign Overview

Location: Tokyo Metro Kasumigaseki Station Duration: April 2026 onwards Content: - Marunouchi Line Platform Screen Door Sheets (Tracks 1 and 2): Large-scale rollout on each platform screen door heading towards Ogikubo and Ikebukuro. - Intensive Poster Displays Inside the Station: