Dear Sir or Madam

We hope this message finds you well and prosperous. We would like to express our sincere gratitude for your continued support and patronage.

We are pleased to inform you that, in order to clarify our business focus and prepare for future expansion, our company will change its name as outlined below, effective July 17, 2025.

Taking this opportunity, all of us at the company are renewing our commitment to meet your expectations and strive even harder. We sincerely ask for your continued guidance and support in the future.

Please allow us to first inform you in writing, though in brief form.

Sincerely yours

New Company Name and Former Company Name

• New Company NameDatalyst LLC
• Former Company NamePinehill LLC

Effective Date of Change

July 17, 2025

Reason for Change

Datalyst LLC specializes in AI/MLOps and AI model quality assurance as its core business. This name change is intended to more clearly reflect our identity—“AI/MLOps and AI model quality assurance”—and to better communicate the value we offer to our clients. Our mission is to address the structural challenges faced by Japanese companies in implementing, operating, and maintaining AI systems, and to establish a unique market position as a partner that supports the entire AI lifecycle.