As the year draws to a close, we want to thank you for your collaboration in better managing aged inventory, which has helped us improve efficiency across our fulfillment network. While the costs to fulfill, transport, and deliver orders increased this year, our continued investment in supply chain innovation allows us to limit the fee changes for 2019. Certain fulfillment fees will be increasing, while many storage and referral fees will go down. Our goal was to minimize the impact of these adjustments for as many of you as possible, and we expect over 40% of FBA units shipped to experience no change—or even a decrease.
Please review each fee detail page linked below. The storage fee changes will take effect February 15, 2019, and the fulfillment and referral fee changes will take effect February 19, 2019. We are notifying you now so you can plan accordingly.