POWER OF ATTORNEY The undersigned constitutes and appoints Andy L. Nemeth, Jacob R. Petkovich and Julie Ann Kotowski and each of them, as the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and re-substitution, for the undersigned and in the undersigned's name, place and stead, to sign any and all (1) Form 144s under the Securities Act of 1933 and (2) Securities and Exchange Commission statements of beneficial ownership of securities of Patrick Industries, Inc. ("Company") on Forms 3, 4 and 5 as required under Section 16(a) of the Securities Exchange Act of 1934, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, the Company and the Financial Industry Regulatory Authority, Inc., granting unto said attorneys-in­ fact and agents, and each of them, full power and authority to do and perform each act and thing requisite and necessary to be done under said Rule 144 and Section 16(a), as fully and to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each of them, may lawfully do or cause to be done by virtue hereof. A copy of this power of attorney shall be filed with the Securities and Exchange Commission. The authorization set forth above shall continue in full force and effect until the undersigned revokes such authorization by written instructions to the attorneys-in-fact. The authority granted hereby shall in no event be deemed to impose or create any duty on behalf of the attorneys-in-fact with respect to the undersigned's obligations to file Form 144 or Forms 3, 4 and 5 with the Securities and Exchange Commission. Dated: .5 /-z. :s / 2.o 2.L Signature of Reporting Person: Name: Title: Name: laced here: KARLY LEININGER Hot1ry Public · Seal Elkhart County· 5tilte of lndlillht Commission Numb~r NP0656940 My Commission EllitiresAug 17, 2022