---
title: "Martin Marietta appoints Philipp Niemann to board, to serve on Finance Committee"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296782601.md"
description: "Martin Marietta Materials Inc. appointed Philipp Niemann, current CEO of Lhoist S.A., to its Board of Directors effective August 21, 2026. This appointment fills a newly created directorship, increasing the board size from ten to eleven members as per the Shareholders Agreement. Niemann will also serve on the Finance Committee."
datetime: "2026-08-24T11:43:03.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296782601.md)
  - [en](https://longbridge.com/en/news/296782601.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296782601.md)
generator: "portal-rs"
---

# Martin Marietta appoints Philipp Niemann to board, to serve on Finance Committee

**Martin Marietta appointed Philipp Niemann to its Board of Directors, effective August 21, 2026, to fill a newly-created directorship and will serve on the Finance Committee.**

**Individual**

Philipp Niemann

**Role**

Director; member of the Finance Committee

**Type of Change**

Appointed

**Effective Date**

August 21, 2026

**Reason**

Board increased size from ten to eleven directors per Shareholders Agreement

**Replacement Info**

Not applicable

**Background Details**

Current CEO of Lhoist S.A.; previously President & CEO of LNA (Apr 2022–Oct 2025); with Lhoist since 2013

**Board/Committee Role Changes**

Assigned to Finance Committee

Original SEC Filing: MARTIN MARIETTA MATERIALS INC \[ MLM \] - 8-K - Aug. 24, 2026

**Disclaimer**

This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC.

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**