The proposed changes were quietly released Wednesday in a letter from Gov. Holcomb. The proposal will be open for public comment until June 23.
Most of the companies planning to offer coverage in Indiana through the federal exchange are proposing double-digit rate increases for individual premiums.
The state-run health coverage program is accepting everyone on its waiting list after tightening eligibility requirements.
Indiana has declined to expand Medicaid, but state officials say they still could expand coverage through the Healthy Indiana Plan.