Oak Street Health, Inc. Loss Submission Form

(1) Oak Street maintained relationships with third-party marketing agents likely to provoke law enforcement scrutiny; (2) Oak Street was providing free transportation to federal health care beneficiaries in a manner that would provoke law enforcement scrutiny; (3) these activities may be violations of the False Claims Act; (4) as such, Oak Street was at heightened risk of investigation by the U.S. Department of Justice and/or other federal law enforcement agencies; (5) as a result, Oak Street was subject to adverse impacts related to defense and settlement costs and diversion of management resources; and (6) as a result of the foregoing, defendants’ positive statements about the Company’s business, operations, and prospects were materially misleading and/or lacked a reasonable basis.