0001193125-22-136516 Sample Contracts

ECB Bancorp Inc. (a Maryland corporation) Up to 10,637,500 Shares (Subject to Increase Up to 12,233,125 Shares) COMMON STOCK (Par Value $0.01 Per Share) Subscription Price $10.00 Per Share AGENCY AGREEMENT

Agency Agreement • May 2nd, 2022 • ECB Bancorp, Inc. /MD/ • Savings institutions, not federally chartered

• Contract Type
  Agency Agreement
• Filed
  May 2nd, 2022
• Company
  ECB Bancorp, Inc. /MD/
• Industry
  Savings institutions, not federally chartered

Mr. Richard J. O’Neil, Jr. President and Chief Executive Officer Everett Co- operative Bank Everett, Massachusetts 02149 Dear Mr. O’Neil:

Appraisal Services Agreement • May 2nd, 2022 • ECB Bancorp, Inc. /MD/ • Savings institutions, not federally chartered

• Contract Type
  Appraisal Services Agreement
• Filed
  May 2nd, 2022
• Company
  ECB Bancorp, Inc. /MD/
• Industry
  Savings institutions, not federally chartered

This letter sets forth the agreement between Everett Co-operative Bank, Everett, Massachusetts (the “Bank”), and RP® Financial, LC. (“RP Financial”), whereby RP Financial will provide the independent conversion appraisal services in conjunction with the conversion transaction by the Bank. The scope, timing and fee structure for these appraisal services are described below.