Independent Bank Group Investor Presentation — April 2024

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Earnings Presentation

April 22, 2024 NASDAQ: IBTXNASDAQ: IBTX 2Safe Harbor Statement

The numbers as of and for the quarter ended March 31, 2024 are unaudited. This communication

contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform

Act of 1995 regarding the financial condition, results of operations, business plans and the future

performance of Independent Bank Group, Inc. (“IBTX”). Words such as "aim," “anticipates,”

“believes,” “estimates,” “expects,” “forecasts,” "guidance, " “intends,” “plans,” “projects,” “could,”

“may,” “should,” “will” or other similar words and expressions are intended to identify these forward-

looking statements. These forward-looking statements are based on IBTX’s current expectations and

assumptions regarding IBTX’s business, the economy, and other future conditions. Because forward-

looking statements relate to future results and occurrences, they are subject to inherent

uncertainties, assumptions, risks, and changes in circumstances that are difficult to predict. Many

possible events or factors could materialize or IBTX’s underlying assumptions could prove incorrect

and affect IBTX’s future financial results and performance and could cause actual results or

performance to differ materially from anticipated results or performance. Such risks and uncertainties

include, among others, effects of and changes in trade and monetary and fiscal policies and laws,

including the interest rate policies of the Federal Reserve Board, potential regulatory actions, changes

in consumer behaviors and impacts on and modifications to the operations and business of IBTX

relating thereto, and the impact of business, economic and political conditions in the markets in which

IBTX operates. Except to the extent required by applicable law or regulation, IBTX disclaims any

obligation to update such factors or to publicly announce the results of any revisions to any of the

forward-looking statements included herein to reflect future events or developments. Further

information regarding IBTX and additional factors which could affect the forward-looking statements

contained herein can be found in IBTX’s Annual Report on Form 10-K for the fiscal year ended

December 31, 2023 and its other filings with the Securities and Exchange Commission.NASDAQ: IBTX 3Safe Harbor Statement (cont.)

Non-GAAP Financial Measures

In addition to results presented in accordance with GAAP, this presentation contains certain non-GAAP financial

measures. These measures and ratios include “adjusted net income,” “tangible book value,” “tangible book value per