Filed Pursuant to Rule 433
Registration No. 333-211879

February 1, 2018

The following information is a Summary of Material Modifications/Notice of Changes relating to certain plan provisions under the Lincoln National Corporation Deferred Compensation Plan for Agents and Brokers ("Plan"). For more information on the Plan and its features, refer to the Plan's Summary Plan Description/Prospectus.  Additionally, you may log on to your account on Nolan Financial Group's website at: www.nolanlink.com, or contact Nolan's Deferred Compensation Customer Service Line at 888-907-8633.

Effective January 13, 2018, the following definitions will read as follows:

Benefit Eligible Agent Commissions (page 24 of the SPD/Prospectus)

Benefit Eligible Agent Commissions are defined as first year and renewal commissions related to the sale of any LNL or LNY products, including, but not limited to annuity, life insurance, and retirement products under a valid AG2K sales contract with LNL or a NYAG sales contract with LNY. Benefit Eligible Agent Commissions shall exclude commissions or fees related to qualified fixed indexed annuity contracts, qualified variable annuity contracts, and qualified group retirement contracts that constitute an Employee Pension Benefit Plan under ERISA section 3(2)(A) established after June 9, 2017, and transition payments made by the Company's retirement plan services business unit after June 9, 2017.

Pensionable Earnings (page 26 of the SPD/Prospectus)

 Pensionable Earnings may be deferred by you into the Plan, subject to certain limits, as described in Section B, below.  Pensionable Earnings are defined as gross first year life insurance commissions plus gross first year annuity commissions paid to you during the Plan year from the sale of LNL or LNY products while you have a contract with us.  By "gross" we mean before taxes and any deferrals into the LNL 401(k) Plan that you may elect.  Pensionable Earnings do not include (i) commissions on contract renewals, (ii) commissions paid after the termination of your valid AG2K or NYAG sales contract, as applicable, for any reason including your death, (iii) commissions or fees paid during the Plan year related to qualified fixed indexed annuity contracts, qualified variable annuity contracts, and qualified group retirement contracts that constitute an Employee Pension Benefit Plan under ERISA section 3(2)(A) established after June 9, 2017, or (iv) transition payments made by the Company's retirement plan services business unit after June 9, 2017.

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All of the internet website addresses are provided for your convenience.  None of the information contained in such websites shall be deemed incorporated by reference in this document.