UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934 (Amendment No.     )

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☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission only (as permitted by Rule 14a-6(e)(2))

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to Section 240.14a-12

Louisiana-Pacific Corporation

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement if other than the Registrant)

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*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on <mtgdate>. May 10, 2019 Meeting Information LOUISIANA-PACIFIC CORPORATION Meeting Type: Annual <mtgtype> Meeting For holders as of: March <recdate> 11, 2019 Date: May 10, 2019 Time: 7:30 <mtgtime> AM CDT Location: 414 Union Street, Suite 2000 Nashville, TN 37219 You are receiving this communication because you hold LOUISIANA-PACIFIC CORPORATION shares in the above named company. ATTN: TERESA FROGGE 414 UNION STREET SUITE 2000 This is not a ballot. You cannot use this notice to vote NASHVILLE, TN 37219 these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). 0000403254 _ 1 R1.0.1.18 We encourage you to access and review all of the important                information contained in the proxy materials before voting. See the reverse side of this notice to obtain proxy materials and voting instructions.

Before You Vote How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: 1. Form 10-K    2. Notice & Proxy Statement How to View Online: Have the information that is printed in the box marked by the arrow                (located on the following page) and visit: www.proxyvote.com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request: 1) BY INTERNET: www.proxyvote.com 2) BY TELEPHONE: 1-800-579-1639 3) BY E-MAIL*: sendmaterial@proxyvote.com * If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow                (located on the following page) in the subject line. Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before April 28, 2019 to facilitate timely delivery. How To Vote Please Choose One of the Following Voting Methods R1.0.1.18 Vote In Person: Many shareholder meetings have attendance requirements including, but not limited to, the possession                of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special _ 2 requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow                available and follow the instructions. 0000403254 Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

Voting items The Board of Directors recommends you vote FOR the following proposals: 1. Election of Class I Directors    Nominees 1a. Tracy A. Embree 1b. Lizanne C. Gottung 1c. Dustan E. McCoy The Board of Directors recommends you vote FOR proposals 2, 3 and 4. 2. Ratification of the selection of Deloitte & Touche LLP as LP’s independent auditor for 2019. 3. Advisory vote to approve named executive officer compensation. 4. Approval of the 2019 Employee Stock Purchase Plan. NOTE: This proxy, when properly executed, will be voted in the manner directed herein. If no direction is made, this proxy will be voted FOR the election of directors and FOR proposals 2, 3 and 4.                If any other matters properly come before the meeting, this proxy will be voted by the proxies named herein in accordance with their best judgment. . 18 . 1 . 0    R1 _ 3 0000403254    

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