ADVISORIES ARE AVAILABLE AT http://www.pancanal.com FOR ETAS OR DIRECT COMMUNICATION WITH OUR OFFICES, REFER TO NOTICE N-3-2021 Panama Canal Authority Vice Presidency for Operations Advisory to Shipping No. A-12-2021 March 1, 2021 TO : All Shipping Agents, Owners, and Operators SUBJECT: Clarification Regarding Booking Rules for Panamax Plus Vessels In reference to inquiries received from customers regarding the Transit Reservation System rules applicable to Panamax Plus vessels as announced in Advisory to Shipping A-09-2021, the following clarification is provided: Panamax Plus vessels are currently not allowed to book their transits. Nevertheless, effective April 15, 2021, they will be allowed to participate in the special auction for the additional slot in the Neopanamax locks. As mentioned in Advisory to Shipping A-09-2021 this special auction slot, which has an initial bidding amount of $100,000, will be subject to an In-Transit-Time (ITT) of 36 hours and will be announced with at least 2 days advance notice. The reserved slots regularly offered throughout the prescribed booking periods, as well as the slots offered due to cancellations, changes in date, or other reasons, remain available only to Neopanamax vessels. ORIGINAL SIGNED Ilya R. Espino de Marotta Deputy Administrator and Vice President for Operations 3654-A (OP-I) V. 1/10/2020