Incorporates into Indiana's law governing businesses and other associations the Uniform Antitrust Pre-Merger Notification Act, as approved and recommended for enactment in all states by the Uniform Law Commission. Provides that upon filing a pre-merger notification under the federal Hart-Scott-Rondino Act, a person shall file contemporaneously a complete electronic copy of the form required under that act with the attorney general if: (1) the person's principal place of business is in Indiana; or (2) the person conducts a specified level of sales in Indiana with respect to the goods or services involved in the proposed merger transaction. Provides that: (1) a form or additional documentary material under the federal act; and (2) other specified information related to the proposed merger transaction; are confidential for purposes of Indiana's public records act and may not be disclosed or made public by the attorney general. Provides an exception to this confidentiality requirement if: (1) the attorney general's disclosure is made pursuant to a protective order issued by an agency, court, or judicial officer in an administrative proceeding or judicial action; and (2) the proposed merger transaction is relevant to the proceeding or action. Authorizes the attorney general to: (1) share information with; and (2) disclose a form or additional documentary material under the federal act to; the attorney general of another state that has enacted the Uniform Antitrust Pre-Merger Notification Act or a substantively equivalent act. Authorizes the attorney general to impose on a person that violates the bill's filing requirement a civil penalty of not more than $10,000 per day for each day that the violation remains unremedied.