Korro Bio Inc

We incurred the following fees from Ernst & Young LLP for the audit of the consolidated financial statements and for other services related to the years ended December 31, 2023 and December 31, 2022. The following table summarizes the fees for Ernst & Young LLP services to the Company for the last two fiscal years.

(1) “Audit fees” consist of fees for the audit of our annual financial statements, review of the interim financial statements included in our quarterly reports on Form 10-Q, registration statements on Form S-4, registration statements on Form S-3, registration statements on Form S-1 and other professional services provided in connection with financings and other regulatory filings.

(2) “Tax fees” consist of fees for professional services, including tax compliance, tax advice and tax planning.

(3) “All other fees” consist of fees paid to access Ernst & Young LLP publications and on-line subscriptions/content.

Audit Committee Pre-approval Policy and Procedures

Our audit committee has adopted policies and procedures relating to the approval of all audit and non-audit services that are to be performed by our independent registered public accounting firm. This policy provides that we will not engage our independent registered public accounting firm to render audit or non-audit services unless the service is specifically approved in advance by our audit committee or the engagement is entered into pursuant to the pre-approval procedure described below.

From time to time, our audit committee may pre-approve specified types of services that are expected to be provided to us by our independent registered public accounting firm during the next 12 months. Any such pre-approval details the particular service or type of services to be provided and is also generally subject to a maximum dollar amount.

PART IV