Invests in a diversified mix of equity securities of well established medium and large capitalization companies with above average earnings growth potential. The objective is long-term capital growth. Current income is a secondary objective.

Before investing in a variable product, you should carefully consider the objectives, risks and charges associated with its investment options. For this and other information about a Contract, you should obtain the appropriate Contract and underlying fund prospectuses by contacting your Northwestern Mutual Financial Representative. Read the prospectuses carefully before you invest.

Mason Street Advisors, LLC (MSA) is the principal investment adviser for all the Portfolios in the Northwestern Mutual Series Fund (Series Fund). (Portfolios in the Series Fund are identified by the parenthetical next to the portfolio name.) MSA has engaged and oversees sub-advisers who provide day-to-day management for certain of the Series Fund Portfolios. Each sub-adviser may be replaced without the approval of shareholders. Please see the prospectus for more information. Additional fund options are advised by Russell Investments, Fidelity Investments, Neuberger Berman Investment Advisers LLC and Credit Suisse Asset Management, LLC

All securities are offered throughNorthwestern Mutual Investment ServicesLLC, (NMIS), 720 E. Wisconsin Avenue, Milwaukee, WI 53202, 1-. Member FINRA and SIPC. NMIS is a subsidiary of Northwestern Mutual.

Northwestern Mutual is the marketing name for The Northwestern Mutual Life Insurance Company and its subsidiaries. Life and disability insurance, annuities, and life insurance with long-term care benefits are issued by The Northwestern Mutual Life Insurance Company, Milwaukee, WI (NM). Long-term care insurance is issued by Northwestern Long Term Care Insurance Company, Milwaukee, WI, (NLTC) a subsidiary of NM. Securities are offered throughNorthwestern Mutual Investment Services, LLC, (NMIS) a subsidiary of NM, broker-dealer, registered investment adviser, memberFINRAandSIPC. Fiduciary and fee-based financial planning services are offered through Northwestern Mutual Wealth Management Company® (NMWMC), Milwaukee, WI, a subsidiary of NM and a federal savings bank. Products and services referenced are offered and sold only by appropriately appointed and licensed entities and financial advisors. Not all products and services are available in all states.Not all Northwestern Mutual representatives are advisors. Only those representatives with the titles Financial Advisor or Wealth Management Advisor are credentialed as NMWMC representatives to provide advisory services.