It looks like NewMarket Corporation (NYSE:NEU) is about to go ex-dividend in the next two days. Typically, the ex-dividend date is one business day before the record date which is the date on which a company determines the shareholders eligible to receive a dividend. The ex-dividend date is an important date to be aware of as any purchase of the stock made on or after this date might mean a late settlement that doesn't show on the record date. Accordingly, NewMarket investors that purchase the stock on or after the 16th of December will not receive the dividend, which will be paid on the 2nd of January.

The company's next dividend payment will be US$2.50 per share. Last year, in total, the company distributed US$10.00 to shareholders. Looking at the last 12 months of distributions, NewMarket has a trailing yield of approximately 1.9% on its current stock price of US$538.67. If you buy this business for its dividend, you should have an idea of whether NewMarket's dividend is reliable and sustainable. We need to see whether the dividend is covered by earnings and if it's growing.

See our latest analysis for NewMarket

Dividends are typically paid from company earnings. If a company pays more in dividends than it earned in profit, then the dividend could be unsustainable. NewMarket has a low and conservative payout ratio of just 22% of its income after tax. That said, even highly profitable companies sometimes might not generate enough cash to pay the dividend, which is why we should always check if the dividend is covered by cash flow. What's good is that dividends were well covered by free cash flow, with the company paying out 21% of its cash flow last year.

It's positive to see that NewMarket's dividend is covered by both profits and cash flow, since this is generally a sign that the dividend is sustainable, and a lower payout ratio usually suggests a greater margin of safety before the dividend gets cut.

Click here to see how much of its profit NewMarket paid out over the last 12 months.

Have Earnings And Dividends Been Growing?

Stocks in companies that generate sustainable earnings growth often make the best dividend prospects, as it is easier to lift the dividend when earnings are rising. Investors love dividends, so if earnings fall and the dividend is reduced, expect a stock to be sold off heavily at the same time. Fortunately for readers, NewMarket's earnings per share have been growing at 17% a year for the past five years. Earnings per share are growing rapidly and the company is keeping more than half of its earnings within the business; an attractive combination which could suggest the company is focused on reinvesting to grow earnings further. This will make it easier to fund future growth efforts and we think this is an attractive combination - plus the dividend can always be increased later.

Many investors will assess a company's dividend performance by evaluating how much the dividend payments have changed over time. Since the start of our data, 10 years ago, NewMarket has lifted its dividend by approximately 8.6% a year on average. We're glad to see dividends rising alongside earnings over a number of years, which may be a sign the company intends to share the growth with shareholders.

The Bottom Line

From a dividend perspective, should investors buy or avoid NewMarket? NewMarket has been growing earnings at a rapid rate, and has a conservatively low payout ratio, implying that it is reinvesting heavily in its business; a sterling combination. Overall we think this is an attractive combination and worthy of further research.

While it's tempting to invest in NewMarket for the dividends alone, you should always be mindful of the risks involved. Our analysis shows 1 warning sign for NewMarket and you should be aware of this before buying any shares.

If you're in the market for strong dividend payers, we recommend checking our selection of top dividend stocks.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.