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Why Petrofac Limited is my biggest shareholding

Oil and gas services provider Petrofac (LSE: PFC) has lost 50% of its value over the last three months after admitting that it’s the subject of a Serious Fraud Office investigation.

For anyone who wants predictable and consistent returns from their investments, it probably makes sense to stay away. But having looked at the group’s accounts, I believe the shares may now be significantly undervalued. I’ve invested a significant amount of my own cash in Petrofac, which is now my largest personal shareholding.

How cheap is the stock?

My calculations show that at 450p, the stock is trading on a multiple of 6.9 times 10-year average earnings. This measure, known as the PE10, is often used to gauge a stock’s value relative to its long-term performance. Looking ahead, current broker forecasts are consistent with this. The stock trades on a 2017 forecast P/E of 5.8.

Petrofac also looks cheap relative to the amount of cash it’s generating. The firm generated free cash flow of $386m in 2016. That’s equivalent to a price/free cash flow ratio of 5.2, which is exceptionally cheap if it’s sustainable.

Lastly, broker forecasts for a dividend of $0.59 per share give the stock a prospective yield of 10%. This payout may be cut, but even if halved would still be attractive at 5%.

What could go wrong?

The risks for investors are that the SFO investigation will harm Petrofac’s ability to win new work, and that it may result in a large fine.

The company also faces tough trading conditions due to the slow recovery of the oil market. Its latest trading statement met with a fairly cool reception and analysts have trimmed 2017 earnings forecasts by 11% to $1.02 per share since April.

Weighing the risks here isn’t easy, but my view is that most of the bad news is already in the price. I believe the shares could perform well over the next few years.

A success story

One of my other top five shareholdings is FTSE 100 mining group Rio Tinto (LSE: RIO). I’ve held this stock for several years, but I purchased more last year when the price dropped below 2,000p.

It’s proved to be a good buy. The shares are now trading at 3,375p and I’m still holding. In reality, I think most of the big gains from last year’s mining market recovery are already in the price at Rio. But the firm’s profitability and renewed focus on cost control and shareholder returns means that I still see it as an attractive share to hold.

Consensus forecasts suggest that the dividend will be increased to $2.54 per share this year, giving a prospective yield of 5.8%. The stock trades on a forecast P/E of 9.8, which also seems attractive.

However, analysts expect the group’s earnings per share to fall by about 24% in 2018, presumably due to changing market conditions. The dividend is expected to fall by a similar amount, putting the stock on a 2018 P/E of 13 with a 4.7% yield.

This doesn’t seem obviously cheap, but it’s worth noting that mining forecasts can change fast. Consensus profit forecasts for 2018 have risen by 10% over the last three months. I’m going to sit tight for a little longer yet.

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Roland owns shares of Rio Tinto and Petrofac Limited. The Motley Fool UK has no position in any of the shares mentioned. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.