Notice of Company Name Change

English Company Inc. (Head office: Kanda Jimbocho, Chiyoda-ku, Tokyo; President and Representative Director: Kou Takahashi) announced today, April 28, 2026, that it has changed its company name from Study Hacker Inc. to 'English Company Inc.' Concurrently, a new corporate logo has been established.

Regarding the Company Name Change As of today, our company has joined the group of PROGRIT Inc. (Head office: Hamamatsucho, Minato-ku, Tokyo; President and Representative Director: Shogo Okada; Securities code: 9560). Accordingly, we will change our company name to 'English Company Inc.'

As a member of the PROGRIT Group, we will combine the scientific knowledge and know-how in coaching and school management, product development, marketing, and learning data cultivated by both companies. Furthermore, we will leverage approximately 260 instructors, making it one of the largest coaching teams in Japan, to maximize the value provided to English learners.

Regarding Our Services Our services, 'ENGLISH COMPANY,' 'STRAIL,' 'ENGLISH COMPANY for biz (English training for corporations),' 'ENGLISH COMPANY University Exam Department,' and 'Shadoplus,' will continue to be provided without any changes in content after the company name change.

Regarding the New Logo In conjunction with the company name change, we have established a new corporate logo. A diagonal cut is incorporated into part of the characters, expressing the will to move forward like an arrow. The entire lettering is finished powerfully, representing an unwavering attitude towards achieving results. With this new logo, which embodies both unchanging essence and the will to progress, we will further evolve the philosophy and values we have built so far.

Regarding the New Management Structure As of April 28, 2026, a new management structure has been established as follows:

- Chairman of the Board: Shogo Okada (President and Representative Director, PROGRIT Inc.) - President and Representative Director: Kou Takahashi (Executive Officer, Head of President's Office, PROGRIT Inc.)

English Company Inc. Company Overview - Company Name: English Company Inc. (Former trade name: Study Hacker Inc.) - Representative: Kou Takahashi, President and Representative Director - Established: February 24, 2010 - Location: 4F, CIRCLES Jimbocho II, 1-24-1 Kanda Jimbocho, Chiyoda-ku, Tokyo - Business Activities: English education business, educational app development business - URL: https://about.englishcompany.jp/

PROGRIT Inc. Company Overview With the mission to 'Increase the number of people who can actively participate globally,' PROGRIT provides services that support individuals earnestly aiming to acquire English proficiency. Centered around the English coaching service 'PROGRIT,' it also offers subscription-based English learning services. The current lineup of subscription services includes 'SHADOTEN' for improving listening skills, 'SUPIFUL' for improving speaking skills, 'DiaTalk' for AI English conversation, and 'ProWords' for English vocabulary learning. In September 2022, the company was listed on the Tokyo Stock Exchange Growth Market, six years after its founding.

- Company Name: PROGRIT Inc. (English name: PROGRIT Inc.) - Representative: Shogo Okada, President and Representative Director - Established: September 6, 2016 - Location: 11F, Hamamatsucho Square, 1-30-5 Hamamatsucho, Minato-ku, Tokyo - URL: https://about.progrit.co.jp/

≪Inquiries Regarding This Matter≫ English Company Inc. Public Relations: Kurosawa TEL: 03-6273-1553 E-mail: [email protected]