RBB Bancorp Contracts & Agreements

Employment Agreement, effective as of April 22, 2024, between RBB Bancorp, Royal Business Bank and Ms. Lynn M. Hopkins (Filed With SEC on April 22, 2024)

First Amendment of Employment Agreement, effective as of March 25, 2024, between RBB Bancorp, Royal Business Bank and Mr. Gary Fan (Filed With SEC on March 29, 2024)

Second Amendment of Employment Agreement, effective as of March 25, 2024, between RBB Bancorp, Royal Business Bank and Mr. I-Ming (Vincent) Liu (Filed With SEC on March 29, 2024)

Second Amendment of Employment Agreement, effective as of March 25, 2024, between RBB Bancorp, Royal Business Bank and Mr. Jeffrey Yeh (Filed With SEC on March 29, 2024)

Third Amendment of Employment Agreement, effective as of March 25, 2024, between RBB Bancorp, Royal Business Bank and Mr. David Morris (Filed With SEC on March 29, 2024)

Employment Agreement, effective as of December 7, 2023, between RBB Bancorp, Royal Business Bank and Ms. Lynn Hopkins (Filed With SEC on December 11, 2023)

Employment Agreement, effective as of July 20, 2023, between RBB Bancorp, Royal Business Bank and Johnny Lee (Filed With SEC on July 24, 2023)

Second Amendment of Employment Agreement, effective as of May 11, 2023, between RBB Bancorp, Royal Business Bank and David R. Morris (Filed With SEC on May 11, 2023)

Employment Agreement, effective as of March 22, 2023, between RBB Bancorp, Royal Business Bank and Alex Ko (Filed With SEC on May 11, 2023)

Employment Agreement, effective as of March 22, 2023, between RBB Bancorp, Royal Business Bank and Gary Fan (Filed With SEC on May 11, 2023)

First Amendment of Employment Agreement dated October 22, 2021 between RBB Bancorp, Royal Business Bank and Mr. David R. Morris (Filed With SEC on May 9, 2022)

First Amendment of Employment Agreement dated October 22, 2021 between RBB Bancorp, Royal Business Bank and Mr. Simon Pang (Filed With SEC on May 9, 2022)

First Amendment of Employment Agreement dated October 22, 2021 between RBB Bancorp, Royal Business Bank and Mr. Jeffrey Yeh (Filed With SEC on May 9, 2022)

First Amendment of Employment Agreement dated October 22, 2021 between RBB Bancorp, Royal Business Bank and Mr. I-Ming (Vincent) Liu (Filed With SEC on May 9, 2022)

First Amendment of Employment Agreement dated October 22, 2021 between RBB Bancorp, Royal Business Bank and Mr. Jeffrey Yeh (Filed With SEC on November 8, 2021)

First Amendment of Employment Agreement dated October 22, 2021 between RBB Bancorp, Royal Business Bank and Mr. Simon Pang (Filed With SEC on November 8, 2021)

First Amendment of Employment Agreement dated October 22, 2021 between RBB Bancorp, Royal Business Bank and Mr. David R. Morris (Filed With SEC on November 8, 2021)

First Amendment of Employment Agreement dated October 22, 2021 between RBB Bancorp, Royal Business Bank and Mr. I-Ming (Vincent) Liu (Filed With SEC on November 8, 2021)

Underwriting Agreement, dated as of March 23, 2021, by and among RBB Bancorp and Janney Montgomery Scott LLC (Filed With SEC on March 26, 2021)

Subordinated Indenture, dated as of March 26, 2021, between RBB Bancorp and Wilmington Trust, National Association (Filed With SEC on March 26, 2021)

First Supplemental Indenture, dated as of March26, 2021, between RBB Bancorp and Wilmington Trust, National Association (Filed With SEC on March 26, 2021)

Formof 4.00% Fixed-to-Floating Rate Subordinated Notes due 2031 (included in Exhibit4.2) (Filed With SEC on March 26, 2021)

Description of Registrants Securities (Filed With SEC on March 17, 2020)

Indenture, dated November 29, 2018, by and between RBB Bancorp and UMB Bank, N.A., as trustee (Filed With SEC on November 29, 2018)

Form of 6.18% Fixed-to-Floating Subordinated Note due 2028 (Filed With SEC on November 29, 2018)

Form of Subordinated Note Purchase Agreement, dated November 29, 2018, by and among RBB Bancorp and the Purchasers (Filed With SEC on November 29, 2018)

Form of Registration Rights Agreement, dated November 29, 2018, by and among RBB Bancorp and the Purchasers (Filed With SEC on November 29, 2018)

Agreement and Plan of Merger, dated as of April 23, 2018, by and between RBB Bancorp and First American International Corporation (the schedules have been omitted pursuant to Item... (Filed With SEC on April 23, 2018)

3,750,000 Shares RBBBancorp Common Stock no par value per share Underwriting Agreement (Filed With SEC on July 26, 2017)

[·] Shares RBBBancorp Common Stock no par value per share Underwriting Agreement (Filed With SEC on July 12, 2017)

RBB Bancorp 2017Omnibus Stock Incentive Plan Performance Share Award Agreement (Performance Period - ) Contents (Filed With SEC on June 28, 2017)

INDEMNITY AGREEMENT (Filed With SEC on June 28, 2017)

RBB Bancorp 2017Omnibus Stock Incentive Plan Restricted Stock Award Agreement (Filed With SEC on June 28, 2017)

RBB Bancorp 2017Omnibus Stock Incentive Plan Deferred Share Award (Filed With SEC on June 28, 2017)

RBB Bancorp 2017Omnibus Stock Incentive Plan Stock Appreciation Rights Award Agreement Contents (Filed With SEC on June 28, 2017)

RBB Bancorp 2017Omnibus Stock Incentive Plan Option Award Agreement (Filed With SEC on June 28, 2017)

RBB BANCORP 2017OMNIBUS STOCK INCENTIVE PLAN RBB BANCORP 2017 OMNIBUS STOCK INCENTIVE PLAN TABLE OF CONTENTS (Filed With SEC on June 28, 2017)

RBB BANCORP STOCK OPTIONAGREEMENT Incentive Stock Option Non-Qualified Stock Option (Filed With SEC on June 28, 2017)

RBB BANCORP 2010 STOCKOPTION PLAN (Filed With SEC on June 28, 2017)

EMPLOYMENT AGREEMENT (Filed With SEC on June 28, 2017)

Additional abbreviations may also be used though not in the above list. For Value Received, hereby sell, assign and transferunto (Filed With SEC on June 28, 2017)

AGREEMENT AND PLAN OF MERGER BY AND BETWEEN RBB BANCORP, ROYALBUSINESS BANK, TFC HOLDING COMPANY AND TOMATOBANK Effective as of November 10, 2015 TABLE OF CONTENTS (Filed With SEC on June 28, 2017)

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RBB Bancorp Contracts & Agreements