This article serves as an ex-dividend reminder for shareholders of Martin Marietta Materials (MLM), B2Gold Corp (BTG), and Okeanis Eco Tankers Corp (ECO). These companies will trade ex-dividend on December 1, 2025, for their upcoming quarterly dividends. The article details the dividend amounts, payment dates, and the anticipated percentage decrease in stock price when they go ex-dividend, alongside historical dividend data and estimated annual yields.

<p>本文为马丁·马里埃塔材料公司（Martin Marietta Materials，MLM）、B2Gold 公司（B2Gold Corp，BTG）和 Okeanis Eco Tankers 公司（Okeanis Eco Tankers Corp，ECO）的股东提供除息提醒。这些公司将在 2025 年 12 月 1 日除息，届时将发放即将到来的季度股息。文章详细列出了股息金额、支付日期以及除息时预计的股价百分比下降，同时提供了历史股息数据和预计的年收益率</p>

除息提醒：Martin Marietta Materials、B2Gold 和 Okeanis Eco Tankers