LCI INDUSTRIES

proxy statement of the Company and Patrick that also constitutes a prospectus of Patrick with respect to shares of Patrick’s common stock to be issued in the proposed transaction. The registration statement was declared effective by the SEC on October 19, 2026, and the Company and Patrick commenced mailing the definitive joint proxy statement/prospectus (the "Joint Proxy Statement/Prospectus") to their respective stockholders on or about October 19, 2026. The Company and Patrick may also file other documents with the SEC regarding the proposed transaction. This communication is not a substitute for the Joint Proxy Statement/Prospectus or any other document which the Company and Patrick may file with the SEC. INVESTORS AND SECURITY HOLDERS OF THE COMPANY AND PATRICK ARE URGED TO READ THE REGISTRATION STATEMENT AND THE JOINT PROXY STATEMENT/PROSPECTUS AND ANY OTHER DOCUMENTS THAT WILL BE FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THESE DOCUMENTS, CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION AND RELATED MATTERS. Investors and security holders are able to obtain free copies of the registration statement and the Joint Proxy Statement/Prospectus and other documents filed with the SEC by the Company and Patrick through the website maintained by the SEC at http://www.sec.gov. Copies of the documents filed with the SEC by the Company are available free of charge on the Company’s website at lippert.com under the tab "Investors" and under the heading "Financials" and subheading "SEC Filings." Copies of the documents filed with the SEC by Patrick are available free of charge on Patrick’s website at patrickind.com under the tab “Investors” and under the heading "SEC Filings." No Offer or Solicitation This presentation does not constitute an offer to sell or the solicitation of an offer to buy or exchange any securities or a solicitation of any vote or approval in any jurisdiction, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. It does not constitute a prospectus or prospectus equivalent document. No offering or sale of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended, and otherwise in accordance with applicable law. Important Disclosures 3LCI Industries | Q3 2026 Earnings Presentation

Diversification and Strong Execution Drives Operating Margin Expansion Executing Continuous Improvement Initiatives • Third quarter operating profit margin of 7.6%, up 30 bps YoY • Adjusted operating profit margin(1) (excluding merger-related expenses and restructuring costs) of 8.3%, up 100 bps YoY • Cost improvement actions continued to drive margin expansion through focus on operational efficiencies and disciplined strategic cost reduction actions Quarterly Financial Performance • Net sales of $992.5 million, down 4% YoY • Net income of $50 million, down 20% YoY ($2.05 per diluted share, down 20% YoY), or 5.0% of net sales • Adjusted net income(1) of $54 million ($2.21 Adjusted EPS(1), up 12% YoY) • Adjusted EBITDA(1) of $111 million, up 5% YoY, or 11.2% of adjusted net sales 1 Additional information regarding adjusted net income, adjusted EPS, adjusted EBITDA, adjusted net sales, adjusted EBITDA as a percentage of adjusted net sales, and adjusted operating profit margin and reconciliations of these non-GAAP financial measures to the most directly comparable GAAP financial measures, are provided in the Appendix. Capital Allocation • Strong liquidity position with $246 million of cash and cash equivalents and $595 million of availability on revolving credit facility at September 30, 2026 • Paid quarterly dividend of $1.15 per share, aggregating $28 million in the third quarter Third Quarter 2026 Highlights 4LCI Industries | Q3 2026 Earnings Presentation Merger with Patrick Industries • As previously announced, entered into definitive agreement to combine with Patrick Industries, Inc. in an all-stock merger, forming a premier component solutions provider for the outdoor enthusiast, housing, and transportation markets • The Company will hold a