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.     )

Filed by the Registrant ☒                            Filed by a Party other than the Registrant ☐

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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. May 04, 2018LOUISIANA-PACIFIC CORPORATIONLOUISIANA-PACIFIC CORPORATION ATTN: TERESA FROGGE414 UNION STREET SUITE 2000 NASHVILLE, TN 37219 Meeting Information Meeting Type: Annual Meeting For holders as of: March 08, 2018 Date: May 04, 2018 Time: 7:30 AM CDT Location: 414 Union Street, Suite 2000 Nashville, TN 37219 You are receiving this communication because you hold shares in the above named company. This is not a ballot. You cannot use this notice to vote 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). 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. 0000364094_1 R1.0.1.17

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 22, 2018 to facilitate timely delivery. How To Vote Please Choose One of the Following Voting Methods 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 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. Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card. 0000364094_2 R1.0.1.17

Voting items The Board of Directors recommends you vote FOR the following proposals: 1. Election of Class III Directors Nominees 1a. Ozey K. Horton, Jr. 1b. W. Bradley Southern The Board of Directors recommends you vote FOR proposals 2 and 3. 2. Ratification of the selection of Deloitte & Touche LLP as LP’s independent auditor for 2018. 3. Advisory vote to approve named executive officer compensation. 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 and 3. 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. 0000364094_3 R1.0.1.17

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