PRIO‘s common shares are listed on the Novo Mercado listing segment of the BM&FBOVESPA, the highest and demanding special listing segment in the Brazilian capital market. Therefore, PRIO is voluntarily committed to differentiated corporate governance practices, such as the expansion of shareholders‘ rights and the compliance of additional information disclosure requirements, a conduct which reassures its commitment to ethics and transparency.

PRIO has Global Deposit Shares (GDS) traded in the TSX Venture Exchange, Canada, one of the largest markets for the oil and gas industry, thus, the Company also follows the local regulatory determinations.