NEW YORK (CNNMoney) -- President Trump is again patting himself on the back after a major job announcement by a company.

ExxonMobil announced plans Monday to create 45,000 jobs along the Gulf Coast by 2022. In a White House video, Trump said it was happening "to a large extent because of our policies and the policies of this new administration."

But those jobs are part of an Exxon project launched four years ago.

The degree to which Trump deserves credit for corporate job announcements is complicated. Executives have credited Trump for his pro-business posture, particularly his commitment to tax reform and deregulation. Yet in many cases the jobs he has promoted are part of previously announced plans. Here are the facts.

ExxonMobil

On Monday, CEO Darren Woods said the company is investing $20 billion in Gulf Coast manufacturing operations over 10 years, creating 45,000 jobs.

Intel

On Feb. 8, Intel CEO Brian Krzanich announced at the White House that the tech giant would invest $7 billion in a new Arizona factory, creating 10,000 related jobs.

What Trump says: Trump said at a press conference after the announcement that Intel "will move ahead with a new plant in Arizona that it was probably never going to move ahead with, and that will result in at least 10,000 American jobs."

General Motors

On Jan. 17, General Motors announced plans to invest at least $1 billion in U.S. factories. The company also committed to creating or retaining about 7,000 U.S. jobs in the next few years.

What Trump says: Trump, then the president-elect, gave GM and Walmart a shout-out via Twitter the day of the announcement, thanking the companies "for starting the big jobs push back into the U.S.!"

Walmart

On Jan. 17, Walmart, which employs more workers than any other American business, said it would add 10,000 U.S. jobs this year.

What Trump says: Trump offered praise for Walmart in the tweet about GM.

For more information go to http://www.cnn.com