FARLONG HOLDING Corp Sample Contracts

RESEARCH AGREEMENT
Research Agreement • August 29th, 2025 • FARLONG HOLDING Corp • Medicinal chemicals & botanical products

This RESEARCH AGREEMENT (this “Agreement”), dated as of October 7, 2024 (the “Effective Date”), between Farlong Nutraceutical, Inc., a California company with a principal place of business at 18008 Sky Park Circle, Irvine, California 92614 (“Company”) and Beckman Research Institute of the City of Hope, a California non-profit public benefit corporation (“COH”) having an address of 1500 East Duarte Road, Duarte, California 91010-3000.

Share-for-Share Exchange Agreement By and Between Longstar Healthpro, Inc., A California Corporation, Farlong Holding Corporation, A Nevada Corporation and The Sole Stockholder of Longstar Healthpro, Inc., A California Corporation, Dated December 27, 2023
Share-for-Share Exchange Agreement • August 29th, 2025 • FARLONG HOLDING Corp • Medicinal chemicals & botanical products • Nevada

This Share-For-Share Exchange Agreement (this “Agreement”) is entered into as of this 27th day of December 2023, by and among Longstar Healthpro, Inc., a California Corporation (the “Company”), Farlong Holding Corporation, a Nevada corporation (the “Parent”), and Karin Mei Huang, an individual (referred to as the “Stockholder”), each a “Party” and collectively the “Parties,” upon the following premises:

LOAN AGREEMENT
Loan Agreement • August 29th, 2025 • FARLONG HOLDING Corp • Medicinal chemicals & botanical products • California

Longstar HealthPro Inc., a California corporation (“Borrower”), with its principal place of business at 4010 Valley Blvd Ste 101, Walnut CA 91789.

RESEARCH AGREEMENT
Research Agreement • August 29th, 2025 • FARLONG HOLDING Corp • Medicinal chemicals & botanical products

This RESEARCH AGREEMENT (this “Agreement”), dated as of October 7, 2024 (the “Effective Date”), between Farlong Nutraceutical, Inc., a California company with a principal place of business at 18008 Sky Park Circle, Irvine, California 92614 (“Company”) and Beckman Research Institute of the City of Hope, a California non-profit public benefit corporation (“COH”) having an address of 1500 East Duarte Road, Duarte, California 91010-3000.

FARLONG HOLDING CORPORATION UNDERWRITING AGREEMENT
Underwriting Agreement • October 30th, 2025 • FARLONG HOLDING Corp • Medicinal chemicals & botanical products • New York
AMENDMENT TO LOAN AGREEMENT
Loan Agreement • August 29th, 2025 • FARLONG HOLDING Corp • Medicinal chemicals & botanical products • California

WHEREAS, the parties entered into a Loan Agreement dated September 15, 2024 (“Original Agreement”), under which the Lender provided a loan of One Million Dollars (US $1,000,000) to the Borrower bearing interest at 9.5% per annum and requiring monthly interest payments of Seven Thousand Nine Hundred Sixteen Dollars and Sixty-Seven Cents (US $7,916.67); and

LOAN AGREEMENT
Loan Agreement • October 30th, 2025 • FARLONG HOLDING Corp • Medicinal chemicals & botanical products • California

Longstar HealthPro Inc., a California corporation (“Borrower”), with its principal place of business at 4010 Valley Blvd Ste 101, Walnut CA 91789.

LOAN AGREEMENT
Loan Agreement • August 29th, 2025 • FARLONG HOLDING Corp • Medicinal chemicals & botanical products • California

Karin Mei Huang (“Lender”), residing at 4010 Valley Blvd Ste 101, Walnut, CA 91789, and Longstar HealthPro Inc., a California corporation (“Borrower”), with its principal place of business at 4010 Valley Blvd Ste 101, Walnut, CA 91789.

AMENDED EMPLOYMENT AGREEMENT
Employment Agreement • August 29th, 2025 • FARLONG HOLDING Corp • Medicinal chemicals & botanical products • California

This Amended Employment Agreement (“Amendment”) is made effective as of April 30, 2024, by and between Longstar HealthPro Inc. (“Company”) and Chiwen Wang (“Employee”).

Vesting Schedule and Conditions Agreement
Vesting Schedule and Conditions Agreement • August 29th, 2025 • FARLONG HOLDING Corp • Medicinal chemicals & botanical products • California

This Vesting Schedule and Conditions Agreement (“Agreement”) is made effective as of June 1, 2023, by and between Longstar HealthPro Inc. (“Company”) and Chiwen Wang (“Employee”).