Ahead of President Donald Trump's anticipated decision on the Paris Accord, energy stocks are in flux.

Peabody Energy (BTU) - Get Report , the largest publicly traded U.S. coal company, and Cloud Peak Energy (CLD) - Get Report were both declining in early trading on Thursday. Notably, the two companies had asked the president to remain a part of the Paris Climate Agreement, Reutersreported.

Some supermajor oil and gas companies have also backed the accord as well, namely Exxon Mobil (XOM) - Get Report , Chevron (CVX) - Get Report and BP (BP) - Get Report . Exxon's new CEO Darren Woods, who succeeded current U.S. Secretary of State Rex Tillerson, even penned a personal letter to the president addressing the matter, according to the Financial Times.

The Energy Select Sector SPDR Fund (XLE) - Get Report , which holds Exxon, Schlumberger (SLB) - Get Report , Halliburton (HAL) - Get Report among others, was holding flat in pre-market trading.

On the other hand, Pattern Energy (PEGI) - Get Report , which has a portfolio of wind power facilities, closed lower on Wednesday, while NextEra Energy (NEE) - Get Report finished in the green as did Clean Energy Fuels (CLNE) - Get Report .

Trump has campaigned on the promise to leave the deal. And, he will finally announce his decision at 3 p.m. EST in the White House Rose Garden.

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