Notice of 2021 Annual Meeting of Stockholders and Proxy Statement HELPING businesses TRIUMPH HELPING customers TRIUMPH HELPING communities TRIUMPH HELPING team members TRIUMPH HELPING people TRIUMPH TRIUMPH BANCORP, INC. 12700 Park Central Drive, Suite 1700 Dallas, Texas 75251 (214) 365-6900 March 16, 2021 Dear Triumph Bancorp, Inc. Stockholders, You are cordially invited to attend the Annual Meeting of Stockholders of Triumph Bancorp, Inc. (the “Company”). The meeting will be held on Tuesday, April 27, 2021, starting at 10:00 a.m. (Central Time). In light of continuing health concerns surrounding the COVID-19 pandemic, for the health and safety of all of our people, including our stockholders, we have determined that the 2021 Annual Meeting will be held via a live audio-only webcast. Instructions on how to participate in the annual meeting are posted at www.proxydocs.com/TBK. Only stockholders who held shares as of the close of business on the record date, February 26, 2021, may vote at the Annual Meeting, including any adjournment thereof. A Notice of Annual Meeting of Stockholders and the Proxy Statement for the meeting are attached. To ensure your representation at the Annual Meeting, you are urged to vote by proxy via the Internet or telephone pursuant to the instructions provided in the enclosed proxy card; or by completing, dating, signing and returning the enclosed proxy card. The Notice of Annual Meeting and Proxy Statement on the following pages contain information about the official business of the Annual Meeting. Whether or not you expect to attend, please vote your shares now. This Proxy Statement is also available at www.proxydocs.com/TBK. Sincerely, Aaron P. Graft President and Chief Executive Officer Triumph Bancorp | 2021 Proxy Statement Notice of Annual Meeting of Stockholders To be held April 27, 2021 Meeting Information Date: April 27, 2021 Time: 10:00 a.m. Central Time Location: Via a live audio-only webcast at www.proxydocs.com/TBK There is no physical location for the 2021 Annual Meeting Record Date: Close of business, February 26, 2021 Voting Items 1. To elect the ten directors named in the accompanying proxy statement to our Board of Directors to serve until the next annual meeting of stockholders or until their respective successors have been elected and qualified; 2. To vote on a non-binding advisory resolution to approve the compensation of the Company’s named executive officers as disclosed in the accompanying proxy statement (the “Say on Pay Proposal”); 3. To vote on a proposal to approve the Second Amendment to the Triumph Bancorp, Inc. 2014 Omnibus Incentive Plan; 4. To ratify the appointment of Crowe LLP as our independent registered public accounting firm for the current fiscal year; and 5. To transact any business as may properly come before the Annual Meeting or any adjournments or postponements. We have adopted a virtual format for our 2021 Annual Meeting. In order to attend the Annual Meeting you must register in advance at www.proxydocs.com/TBK prior to the deadline of Friday, April 23, 2021 at 5:00 p.m. Eastern Time Upon completing your registration, you will receive further instructions via email, including your unique links that will allow you to access the meeting and will also permit you to submit questions. We are furnishing our 2020 Annual Report and proxy materials to our stockholders primarily through the Internet this year in accordance with rules adopted by the Securities and Exchange Commission. Stockholders of record have been mailed a Notice of Internet Availability of Proxy Materials on or around March 16, 2021, which provides them with instructions on how to vote and how to access the 2020 Annual Report and proxy materials on the Internet. It also provides instructions on how to request paper copies of these materials. Stockholders of record who previously enrolled in a program to receive electronic versions of the 2020 Annual Report and proxy materials will receive an email notice with details on how to access those materials and how to vote. Triumph Bancorp | 2021 Proxy Statement How to Vote Stockholders of record may vote: • By Internet: go to www.proxypush.com/TBK • By phone: call 866-206-5381 • By mail: complete and return the enclosed proxy card in the postage prepaid envelope provided. If your shares are held in the name of a broker, bank or other stockholder of record, please follow the voting instructions that you receive from the broker, bank or other stockholder of record entitled to vote your shares. The Board of Directors has fixed the close of business on February 26, 2021 as the record date for the determination of stockholders entitled to notice of, and to vote at, the Annual Meeting. By Order of the Board of Directors, March 16, 2021 Dallas, Texas Aaron P. Graft President and Chief Executive Officer Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting of Stockholders to be Held on April 27, 2021. The Proxy Statement for the 2021 Annual Meeting, the Notice of the 2021 Annual Meeting, the form of proxy and the Company’s 2020 Annual Report are available at www.proxydocs.com/TBK. Triumph Bancorp | 2021 Proxy Statement TABLE OF CONTENTS Page Information Concerning Solicitation and Voting 1 Proposal 1: Election of Directors 5 Corporate Governance 15 Compensation Discussion and Analysis 20 Compensation Committee Report on Executive Compensation 33 Director Compensation for Fiscal 2020 41 Certain Relationships and Related Party Transactions 43 Security Ownership of Certain Beneficial Owners and Management 46 Proposal 2: Management Proposal Regarding Advisory Approval of the Company’s Executive Compensation 48 Proposal 3: Management Proposal Regarding Approval of the Second Amendment to the Triumph Bancorp, Inc. 2014 Omnibus Incentive Plan 49 Proposal 4: Ratification of Selection of Independent Registered Public Accounting Firm 55 Report of the Audit Committee 57 Stockholder Proposals 59 Householding 60 Annex A – Second Amendment to the Triumph Bancorp, Inc. 2014 Omnibus Incentive Plan A-1 Triumph Bancorp | 2021 Proxy Statement Proxy Summary This summary highlights information contained elsewhere in this proxy statement. This summary does not contain all the information you should consider in voting your shares. Please read the complete proxy statement and our annual report carefully before voting. Meeting Information Date: April 27, 2021 Time: 10:00 a.m. Central Time Location: Via live audio-only webcast at www.proxydocs.com/TBK There is no physical location for the 2021 Annual Meeting Record Date: Close of business, February 26, 2021 How to Vote Your vote is important. You may vote your shares via the Internet, by telephone, by mail or in person at the Annual Stockholder Meeting. Please refer to the section “Information Concerning Solicitation and Voting” on page 1 for detailed voting instructions. If you vote via the Internet, by telephone or in person at the Annual Stockholder Meeting, you do not need to mail in a proxy card. INTERNET TELEPHONE MAIL IN PERSON Visit www.proxyvote.com. You Dial toll-free (1-800-690-6903) If you received a paper copy of By registering to attend will need the control number or the telephone number on the proxy materials, send your the virtual meeting at printed on your notice, proxy card your voting instruction form. You completed and signed proxy www.proxydocs.com/TBK or voting instruction form. will need the control number card or voting instruction form and following the instructions printed on your notice, proxy using the enclosed postage- for attendance and voting. card or voting instruction form. paid envelope. Matters to be Voted Upon Required Board Page Proposals Approval Recommendation Reference 1. Election of Directors Majority of FOR each 5 Votes Cast Nominee 2. Management Proposal Regarding Advisory Approval of the Majority of FOR 48 Company’s Executive Compensation Votes Cast 3. Management Proposal to Approve the Second Amendment to Majority of FOR 49 the Company’s 2014 Omnibus Incentive Plan Votes Cast 4. Ratification of Selection of Independent Registered Public Majority of FOR 55 Accounting Firm Votes Cast Triumph Bancorp | 2021 Proxy Statement TRIUMPH BANCORP, INC. 12700 Park Central Drive, Suite 1700 Dallas, Texas 75251 (214) 365-6900 PROXY STATEMENT FOR THE ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ON APRIL 27, 2021 INFORMATION CONCERNING SOLICITATION AND VOTING Introduction We are furnishing this Proxy Statement on behalf of the Board of Directors (the “Board of Directors”) of Triumph Bancorp, Inc. (“Triumph”), a Texas corporation, for use at our 2021 Annual Meeting of Stockholders, or at any adjournments or postponements of the meeting (the “Annual Meeting”), for the purposes set forth below and in the accompanying Notice of Annual Meeting. The Annual Meeting will be held via a live audio-only webcast at www.proxydocs.com/TBK. There is no physical location for the 2021 Annual Meeting. In accordance with rules and regulations adopted by the Securities and Exchange Commission (“SEC”), instead of mailing a printed copy of our proxy materials to each stockholder of record, we are furnishing proxy materials to our stockholders on the Internet. You will not receive a printed copy of the proxy materials, unless specifically requested. The Notice of Internet Availability of Proxy Materials will instruct you as to how you may access and review all of the important information contained in the proxy materials. The Notice of Internet Availability of Proxy Materials also instructs you as to how you may submit your proxy on the Internet. As used in this Proxy Statement, the terms “us”, “we”, “our”, the “Company” and “Triumph” refer to Triumph Bancorp, Inc., and, where appropriate, Triumph Bancorp, Inc., and its subsidiaries. The term “Common Stock” means shares of our Common Stock, par value, $0.01 per share.