Group 1 - The PSUS Shares are priced at $50.00 per share, and investors will receive 20 PSI Shares for every 100 PSUS Shares purchased without additional cost [1] - PS shares will be available for purchase after the IPO, but initially, they can only be acquired through PSUS shares [1] - Once trading begins on the stock exchange, shares in both PS and PSUS will be available for direct purchase by investors [1] Group 2 - Pershing Square, managed by Ackman, holds significant investments in several major U.S. companies [2]