# EDGAR Filing Document

**Accession Number:** 0000742212
**File Stem:** 0001193125-25-154073
**Filing Date:** 2025-7
**Character Count:** 2145
**Document Hash:** 89d652f731521bc0f4f2a89afe0f8099
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-154073.hdr.sgml**: 20250701

**ACCESSION NUMBER**: 0001193125-25-154073

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250701

**DATE AS OF CHANGE**: 20250701

**EFFECTIVENESS DATE**: 20250701

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NORTHWESTERN MUTUAL SERIES FUND INC
- **CENTRAL INDEX KEY:** 0000742212

**ORGANIZATION NAME:**
- **EIN:** 391603401
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-89971
- **FILM NUMBER:** 251097076

**BUSINESS ADDRESS:**
- **STREET 1:** 720 E WISCONSIN AVE
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202
- **BUSINESS PHONE:** 4142992508

**MAIL ADDRESS:**
- **STREET 1:** 720 EAST WISCONSIN AVE
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NORTHWESTERN MUTUAL VARIABLE LIFE SERIES FUND INC
- **DATE OF NAME CHANGE:** 19940830

## Series and Classes Contracts Data

### Emerging Markets Equity Portfolio (Series ID: S000018232)

| Class ID   | Class Name                        | Ticker Symbol   |
|:---|:---|:---|
| C000050280 | Emerging Markets Equity Portfolio |  |

**Northwestern Mutual Series Fund, Inc.** <br>**Emerging Markets Equity Portfolio**

Supplement Dated July 1, 2025 to the <br>Summary Prospectus for the Emerging Markets Equity Portfolio Dated May 1, 2025

The following information supplements the Summary Prospectus for the Emerging Markets Equity Portfolio of Northwestern Mutual Series Fund, Inc. (the "Fund") dated May 1, 2025 (the "Summary Prospectus"). You should read this Supplement together with the Summary Prospectus.

***<u>Advisory Fee Waiver Update to Emerging Markets Equity Portfolio</u>***

Effective August 1, 2025, MSA has agreed to an increased fee waiver such that the Total Annual Portfolio Operating Expenses After Fee Waiver set forth in the Fee Table in the Summary section will be 0.79% through April 30, 2026.

**Please retain this Supplement for future reference.**

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