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D. Boral Capital Acted as Lead Bookrunner to rYojbaba Co., Ltd (Nasdaq: RYOJ) in Connection with its $5,000,000 Initial Public Offering

Transaction Information
On August 15, 2025, rYojbaba Co., Ltd. (Nasdaq: RYOJ) (“rYojbaba” or the “Company”), a Japanese labor consulting and health services company, announced the closing of its Initial Public Offering of 1,250,000 Japanese common shares at a public offering price of US$4.00 per share. The total gross proceeds from the Offering, before deducting underwriting discounts and other offering expenses payable by rYojbaba, was $5,000,000. rYojbaba’s Japanese common shares began trading on the Nasdaq Capital Market on August 14, 2025, under the ticker symbol “RYOJ”. In addition, rYojbaba has granted the underwriters a 45-day option to purchase up to an additional 187,500 Common Shares at the public offering price per share, less the underwriting discount, to cover over-allotments, if any.

D. Boral Capital LLC acted as the lead bookrunning manager for the Offering. Sutter Securities, Inc. acted as co-underwriter and Boustead Securities, LLC, acted as Financial Advisor for the Offering.

About rYojbaba Co., Ltd.
rYojbaba operates a labor consulting and health services business. The labor consulting business provides strategic consulting services for both Japanese companies and labor unions, with the underlying goal to bridge the gap between Japan’s labor culture issues and the lack of solutions for work-related dissatisfactions. rYojbaba also operates 28 osteopathic clinics and 2 beauty salons across Japan within its health services business, primarily offering judo theory, a form of osteopathic medicine practiced in Japan. To learn more, visit https://www.ryojbaba.com/.

About D. Boral Capital
D. Boral Capital LLC is a premier, relationship-driven global investment bank headquartered in New York. The firm is dedicated to delivering exceptional strategic advisory and tailored financial solutions to middle-market and emerging growth companies. With a proven track record, D. Boral Capital provides expert guidance to clients across diverse sectors worldwide, leveraging access to capital from key markets, including the United States, Asia, Europe, the Middle East, and Latin America.A recognized leader on Wall Street, D. Boral Capital has successfully aggregated approximately $30 billion in capital since its inception in 2020, executing ~350 transactions across a broad range of investment banking products.

D. Boral Capital is a member of FINRA and SIPC.

Company Profile

D. Boral Capital

Industry: Financial Services

Website: https://dboralcapital.com

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For more information please contact:

Investment Banking

Stephanie Hu
Co-Head of Investment Banking
Direct: +1 (929) 586-0272
shu@dboralcapital.com

Jesse Streitman
Director
Direct: +1 (929) 528-0984
jstreitman@dboralcapital.com

John Park
Vice President
Direct: +1 (929) 528-0864
jpark@dboralcapital.com

Equity Capital Markets

Philip Wiederlight
Chief Operating Officer
Direct: +1 (929) 625-1539
pwiederlight@dboralcapital.com

Mark Iorio
Director, Equity Capital Markets
Direct: +1 (929) 528-0913
miorio@dboralcapital.com

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Ryan J. Whalen

General Counsel

Ryan J. Whalen has been the General Counsel of D. Boral Capital since January of 2023, previously serving as Deputy General Counsel & Head of Litigation at D. Boral Capital, since November of 2021.

Prior to joining D. Boral Capital, Ryan spent over two decades as a litigator representing clients faced with complex business disputes. His experience includes handling securities litigation, financial disputes, corporate governance/director and officer litigation, breaches of fiduciary duty, fraud, professional malpractice, employment law, and whistle-blower claims. Ryan also has experience in the Financial Services industry representing investment banks, hedge funds, public companies, and investors. Most recently, Ryan was a Partner at Gusrae Kaplan Nusbaum PLLC. Law, and prior to that, he was a Partner at Brown & Whalen, P.C.

Ryan holds his Juris Doctor degree from Fordham University School of Law and his bachelor’s degree from the University of Rhode Island.

David W. Boral

Chief Executive Officer & Founder

David W. Boral is the Chief Executive Officer and Founder of D. Boral Capital.

Prior to D. Boral Capital, David held several leadership positions in the Investment Banking and Capital Markets industry. His 16 years of expertise spans both public and private transactions, including IPOs, Secondaries/Follow-On Offerings, SPACs, PIPEs, Reverse Mergers, M&A, Bankruptcy/Restructurings, Cross Listings, and other private and public offerings, in the US and abroad. Most recently, David was Co-Head of Investment Banking & Managing Director at Aegis Capital Corp, and prior to that, he was a Director of Investment Banking, at Maxim Group.

In addition to his work at D. Boral Capital, David is dedicated to improving the world around him, specifically the lives of children and veterans. He currently serves on the advisory board for Keep a Child Alive, a nonprofit organization that provides healthcare, housing, and other support services to HIV/AIDS-affected communities in Africa and India. Additionally, David serves on the board for Lifeline Humanitarian Organization, which was founded by Princess Katherine, to reduce and relieve the suffering of physically and mentally disabled children, orphans, and the elderly, as well as to improve medical facilities in Serbia. He also partners with St. Jude Children’s Research Hospital, Heroes Among Us, and Project Rousseau, through corporate sponsorships.

David holds a bachelor’s degree in Business Administration from the Lubin School of Business at Pace University.

Stephanie (Mengjie) Hu

Co-Head of Investment Banking

Stephanie (Mengjie) Hu has been the Head of Asia at D. Boral Capital since May of 2023, previously serving as Vice President, Asia Investment Banking at D. Boral Capital, since November of 2021.

Stephanie has over 9 years of Investment Banking and Financial Services experience. She has completed over 100 transactions across a wide range of industries, representing over $3.5 billion in aggregate value, and has participated in multiple product offerings including IPOs, Follow-Ons/Secondaries, PIPEs, Private Placement, Uplistings (Re-IPO), Reverse Mergers, Registered Directs, CMPOs, ATMs, SPACs and M&As. Her focus is primarily on serving the financial needs of Asian emerging growth and middle-market companies in a variety of industries.

Stephanie holds a Master’s degree in Finance from the University of Rochester, and she is bilingual in English and Mandarin.

Gaurav Verma

Co-Head of Investment Banking

Gaurav Verma has been covering the Technology, Media, and Telecom sector for over 10 years, and has executed over 100 billion in transactions encompassing sell-side and buy-side M&A, IPOs, SPACs, equity offerings, converts, high yield and investment-grade financings. Mr. Verma has advised C-Suite executive teams on M&A assignments, business development opportunities, growth strategies, and capital allocation policies.

Prior to joining D. Boral Capital, Gaurav was a Director at Nomura, spearheading TMT coverage efforts, and previously, was a Senior Vice President at Bank of America Merrill Lynch, within their TMT Investment Banking Group.

Gaurav received his MBA in Finance and Entrepreneurship from the NYU Stern School of Business and BS in Computer Science and Economics from Rutgers University.

Jared S. Merlin

Chief Compliance Officer

Jared S. Merlin has been the Chief Compliance Officer at D. Boral Capital since November of 2022.

Prior to joining D. Boral Capital, Jared spent nine years as a Managing Director at Credit Agricole Corporate and Investment Bank, serving as the Chief Compliance Officer and Head of Capital Markets Compliance. Jared has over two decades of Compliance experience, providing regulatory advice and oversight to investment banks and broker dealers. Prior to Jared’s tenure at Credit Agricole, Jared held various positions in the Compliance Departments of Knight Capital Americas LLC, and Brown Brothers Harriman & Co.

Jared holds a bachelor’s degree from Syracuse University and an MBA from the NYU Stern School of Business.

Phil Wiederlight

Chief Operating Officer

Phil Wiederlight has been the Chief Operating Officer since November 2023, previously serving as Head of Syndicate, Equity Capital Markets, at D. Boral Capital, since May of 2023.

Phil has spent 15 years in Financial Services, where he has held multiple leadership positions at GoldenTree Asset Management, Sculptor Capital, and JP Morgan. He has completed numerous Capital Markets transactions, which have accounted for several billions of dollars, and has participated in multiple product offerings including IPOs, Follow-Ons/Secondaries, PIPEs, Private Placements, Uplistings (Re-IPO), Reverse Mergers, Registered Directs, CMPOs, ATMs, and SPACs. His experience also includes Cash and Position Reconciliations, Private Equity Structured Products, Trade Settlements, Crypto Settlements, Account Setups, Expense Management, Risk Reporting, and Fund Accounting. Phil has also managed numerous service provider and third-party relationships, which has helped streamline processes and improve internal efficiencies.

Phil holds a Bachelor’s degree in Business Administration from the Miami Herbert Business School at the University of Miami.

Sharad Agrawal

Chief Technology Officer

Sharad Agrawal has been Chief Technology Officer at D. Boral Capital since May of 2023.

Prior to joining D. Boral Capital, Sharad worked in Private Equity in a technology leadership capacity, to improve infrastructure, cybersecurity, and technology operations. Sharad was also Chief Technology Officer at Redwood Capital Management, and prior to that, was Global Head of Information Technology at Eagle Investment Solutions, where he was responsible for all firmwide technology efforts globally. His duties included helping develop custom applications and strategy, while leading compliance, data, digital, engineering, and cloud initiatives.

Sharad will be pursuing an Executive Education-Chief Technology Officer program at University of Pennsylvania beginning Winter 2024.

Ben Reed

Head of Wealth Management

Ben has over a decade of experience in the retail markets, focusing on emerging growth, small, and middle market companies in biotechnology, healthcare, technology, and energy.

Throughout his career, he has helped raise capital for numerous IPOs, secondary offerings, PIPES, and SPACs. He currently holds his series 7, 24, 63, 65, and Insurance Licenses.

He graduated from Villanova University with a Bachelor of Arts degree in Economics and remains an avid Wildcats fan.