Rep. Paul Ryan of Wisconsin, the chairman of the Republican-led House Budget Committee, is expected to endorse presidential hopeful Mitt Romney, two Republican officials said Thursday.
Ryan's endorsement could come as soon as Friday, when Romney is scheduled to give an economic speech in Appleton, Wis., the officials said. They were not authorized to speak publicly about the announcement and requested anonymity.
Wisconsin's Republican primary is Tuesday.
Ryan is the author of the House Republican budget that proposes to slash federal spending and shrink government. While the plan is doomed in the Democratic-controlled Senate, it sets out the GOP's fiscal priorities.
Romney has praised Ryan's effort to cut taxes and overhaul the tax code and has said that, if president, he would look forward to working with Ryan on ways to change how the government spends taxpayer money.
Ryan has downplayed speculation that he could be picked as the Republican vice presidential candidate, but he has said he would consider the offer if asked.
Republicans pushed Ryan's $3.5 trillion budget through the House on Thursday. It relies on biting spending cuts and a revamping of Medicare to curb massive federal deficits and draws a sharp contrast with how President Barack Obama and Democrats would tackle the nation's fiscal problems.