House conservatives are hinting at support for a temporary extension of Obama-Care subsidies if the Supreme Court cripples the law, even as they set up a working group to develop their own plan.

The high court is set to rule later this month in the case of King v. Burwell, which could invalidate subsidies for millions of people in at least 34 states using the federally run marketplace. Republicans say they need to be ready to address people losing their coverage, but have yet to coalesce around a plan.

Now another proposal is in the works. Members of the conservative House Freedom Caucus told The Hill they are setting up a group of four or five lawmakers, led by Rep. John Fleming (R-La.). The lawmakers will develop a plan meant to influence the main House working group led by Rep. Paul Ryan (R-Wis.) and two other panel chairmen, which Fleming complained is meeting in “secret.”