Investor Day Presentation December 2024

American Coastal Insurance Corporation

Forward-

Looking

Statements

Statements made in this presentation that are not historical facts are "forward-looking statements". The Company believes these statements are based on reasonable estimates, assumptions and plans. However, if the estimates, assumptions, or plans underlying the forward-looking statements prove inaccurate or if other risks or uncertainties arise, actual results could differ materially from those expressed in, or implied by, the forward-looking statements. These statements are made subject to the safe-harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward- looking statements do not relate strictly to historical or current facts and may be identified by their use of words such as "may," "will," "expect," "endeavor," "project," "believe," "plan," "anticipate," "intend," "could," "would," "estimate" or "continue" or the negative variations thereof or comparable terminology. Factors that could cause actual results to differ materially may be found in the Company's filings with the U.S. Securities and Exchange Commission, in the "Risk Factors" section in the Company's most recent Annual Report on Form

10-K and subsequent Quarterly Reports on Form 10-Q. Forward-looking statements speak only as of the date on which they are made, and, except as required by applicable law, the Company undertakes no obligation to update or revise any forward-looking statements.

American Coastal Insurance Corporation

Management

Chris Griffith

COO & CIO

Brooke Adler

General Counsel

American Coastal Insurance Corporation

Corporate

Overview

American Coastal Insurance Corporation® (ACIC) is a holding company that underwrites commercial residential property insurance policies in

Florida through its wholly owned subsidiary, American Coastal Insurance

Company (AmCoastal), founded in 2007.

AmCoastal has the #1 market share in commercial residential property insurance (commercial lines) in Florida with roughly 4,000 policies and $646 million of premium in-force as of September 30, 2024.

Key Metrics

*Guidance for FY 2024. Please see full year guidance on slide 25.

American Coastal Insurance Corporation

Our P&C Carriers

Specialty

CommercialSpecialty

PropertyHomeowners

$636 M 2023

Continuing Operations

Direct Premiums Written

Our commercial lines business,

underwritten by AmCoastal, continues to demonstrate its resilience by posting an underwriting profit for the 17th

consecutive year since its formation in

2007.

American Coastal Insurance Corporation

Strategic Transformation

Divest of IIC

Executed definitive agreements to divest Interboro Insurance Company; anticipate closing during the first quarter of 2025.

Rebrand to American Coastal

The Company began trading on NASDAQ under

ticker 'ACIC' on August 15, 2023.

Disposal of United P&C Ins. Co. (UPC)

UPC ordered into receivership in early 2023.

Personal lines business placed into run-off

Underwriting Initiatives

Increased rates, began non-renewing risks, and reduced exposure by selling large portions of its personal lines business in seven states to a third- party carrier.

Dan Peed appointed as Chairman & CEO

Seeking to de-risk the Company's struggling personal lines business and allocate more resources towards our consistently profitable commercial lines segment.

Our commercial lines

business underwritten

by AmCoastal has

produced exceptional results over the long- term, which we expect to continue.

It is our primary focus

going forward.

American Coastal Insurance Corporation

Investment Thesis

Deep Underwriting Expertise

Sophisticated multi-model underwriting & best-in-industry data capture capabilities.

Above-average Risk Characteristics

Focusing on low-rise and garden-style condominium buildings.

Consistent Profitability ¹

Pre-tax income (10-year average) of $52.7 M with an attritional loss & LAE ratio of 8.5%.

Recently Completed Strategic Transformation

A compelling investment opportunity in a unique niche market.

AmRisc - an Exclusive Partnership

The leading commercial property managing general agent (MGA) in the U.S.

Strong Reinsurance Support

Low retention minimizes potential volatility from potential hurricane losses.

Favorable Market Conditions

Compounding rate increases YOY, positioning ACIC for future profitable growth.